GCC PR c++/56840
[external/binutils.git] / gold / ChangeLog
1 2013-04-04  Ian Lance Taylor  <iant@google.com>
2
3         GCC PR c++/56840
4         * object.cc (do_layout_deferred_sections): Handle .eh_frame
5         sections before checking whether they are included in the link.
6
7 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
8
9         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
10         object before calling the plugin claim_file handler.  Pass the elf
11         object of the archive to the plugin. Delete the elf object if the
12         plugin claims the file.
13
14 2013-03-21  Alan Modra  <amodra@gmail.com>
15
16         * layout.cc (Layout::set_segment_offsets): Accept writable .text
17         segment when omagic.
18
19 2013-03-21  Alan Modra  <amodra@gmail.com>
20
21         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
22         comparison warning.
23         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
24         uninitialized" warning.
25
26 2013-03-20  Alan Modra  <amodra@gmail.com>
27
28         * symtab.h (Symbol::clear_version): New function.
29         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
30         is_needed by weak references.  Clear version for symbols defined
31         in as-needed objects that are not needed.
32
33 2013-03-15  Alan Modra  <amodra@gmail.com>
34
35         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
36         static and public.  Add report_err param.  Return false for data refs.
37         (Target_powerpc::rela_dyn_section): New overloaded function.
38         (Target_powerpc::plt_, iplt_): Elucidate.
39         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
40         (Output_data_plt_powerpc::do_write): Don't write .iplt.
41         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
42         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
43         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
44         push_branch and make_plt_entry for ifunc syms when
45         reloc_needs_plt_for_ifunc.
46         (Target_powerpc::Relocate::relocate): Don't use plt entry value
47         for ifunc unless reloc_needs_plt_for_ifunc.
48
49 2013-03-15  Alan Modra  <amodra@gmail.com>
50
51         * gc.h (gc_process_relocs): Don't look through function descriptors.
52         * icf.cc (get_section_contents): Do so here instead.
53
54 2013-03-13  Alan Modra  <amodra@gmail.com>
55
56         * powerpc.cc (is_branch_reloc): Forward declare.
57         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
58         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
59         false for 64-bit, true for 32-bit non-branch relocs.
60         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
61         * testsuite/Makefile.am (icf_test): Use linker map file instead of
62         nm output.
63         (icf_safe_test): Generate linker map file as well as nm output.
64         (icf_safe_so_test): Likewise.
65         * testsuite/Makefile.in: Regenerate.
66         * testsuite/icf_test.sh: Parse linker map file to determine
67         section folding.
68         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
69         * testsuite/icf_safe_so_test.sh: Likewise.
70         (X86_32_or_ARM_specific_safe_fold): Merge into..
71         (arch_specific_safe_fold): ..this.
72         (X86_64_specific_safe_fold): Delete unused function.
73
74 2013-03-12  Alan Modra  <amodra@gmail.com>
75
76         * gc.h (gc_process_relocs): Look through function descriptors
77         to determine shndx, symvalue and addend used by ICF.  Tidy
78         variable duplication.
79
80 2013-03-11  Alan Modra  <amodra@gmail.com>
81
82         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
83         * layout.cc (Layout_task_runner::run): ..to here.
84         * symtab.h (struct Symbol_location): Extract from..
85         (class Symbol_table): ..here.
86         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
87         * target.h (class Target): Add function_location and
88         do_function_location functions.
89         (class Sized_target): Add do_function_location.
90         * object.h (class Sized_relobj_file): Move find_shdr..
91         (class Object): ..to here.
92         * object.cc: Likewise.  Update to suit.  Instantiate.
93         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
94         * powerpc.cc (class Powerpc_dynobj): New.
95         (Target_powerpc::do_function_location): New function.
96         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
97         (Powerpc_dynobj::do_read_symbols): New function.
98         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
99
100 2013-03-08  Ian Lance Taylor  <iant@google.com>
101
102         * options.cc (General_options::string_to_object_format): Accept
103         "default".
104
105 2013-03-08  Alan Modra  <amodra@gmail.com>
106
107         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
108         pointer to Post_fde.
109         (struct Post_fde): Move definition to here..
110         * ehframe.cc (struct Post_fde): ..from here.
111         (Cie::write): Don't alloc Post_fde.
112         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
113
114 2013-03-07  Alan Modra  <amodra@gmail.com>
115
116         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
117         relocation referencing .LC0.
118         * testsuite/discard_locals_test.sh: Remove FIXMEs.
119
120 2013-03-07  Alan Modra  <amodra@gmail.com>
121
122         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
123         always_inline.  Add assembly for powerpc to avoid GOT.
124
125 2013-03-07  Alan Modra  <amodra@gmail.com>
126
127         * testsuite/script_test_10.sh: Don't test .bss section
128         header number.
129
130 2013-03-06  Alan Modra  <amodra@gmail.com>
131
132         * powerpc.cc (class Powerpc_relobj): Move some member functions.
133         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
134         all callers.  Handle folded sections.
135         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
136         to Powerpc_relobj.
137         (Global_symbol_visitor_opd::operator()): Likewise.
138
139 2013-03-04  Alan Modra  <amodra@gmail.com>
140
141         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
142         * testsuite/Makefile.in: Regenerate.
143
144 2013-03-01  Cary Coutant  <ccoutant@google.com>
145
146         Add dwp support for v2 DWARF package file format.
147         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
148         tu_length parameter.  Adjust all callers.
149         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
150         * dwp.cc: Include dwarf.h.
151         (Section_bounds): New struct type.
152         (Unit_set): New struct type.
153         (Dwo_file::Dwo_file): Initialize new data member.
154         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
155         Combine and rename to...
156         (Dwo_file::read_unit_index): ...this.
157         (Dwo_file::sized_read_compunit_index)
158         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
159         (Dwo_file::sized_read_unit_index): ...this.
160         (Dwo_file::copy_section): Remove section_name, is_str_offsets
161         parameters; add section_id parameter.
162         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
163         (Dwo_file::add_unit_set): ...this.
164         (Dwo_file::shndx_map_): Remove.
165         (Dwo_file::sect_offsets_): New data member.
166         (Dwp_output_file::Dwp_output_file): Initialize new data members.
167         (Dwp_output_file::add_section): Rename to...
168         (Dwp_output_file::add_contribution): ...this.
169         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
170         (Dwp_output_file::add_tu_set): Likewise.
171         (Dwp_output_file::Contribution): New type.
172         (Dwp_output_file::Section::contributions): New data member.
173         (Dwp_output_file::Cu_or_tu_set): Remove.
174         (Dwp_output_file::Section::Section): New ctor.
175         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
176         (Dwp_output_file::Dwp_index::Section_table): New type.
177         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
178         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
179         parameter.
180         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
181         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
182         (Dwp_output_file::Dwp_index::section_table): New member function.
183         (Dwp_output_file::Dwp_index::section_table_end): New member function.
184         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
185         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
186         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
187         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
188         (Dwp_output_file::Dwp_index::section_table_): New data member.
189         (Dwp_output_file::Dwp_index::section_mask_): New data member.
190         (Dwp_output_file::add_output_section): New member function.
191         (Dwp_output_file::write_new_section): New member function.
192         (Dwp_output_file::write_contributions): New member function.
193         (Dwp_output_file::section_id_map_): New data member.
194         (class Dwo_id_info_reader): Remove.
195         (class Unit_reader): New class.
196         (get_dwarf_section_name): New function.
197         (Dwo_file::read_executable): Adjust initializations of class data.
198         (Dwo_file::read): Add support for v2 package file format.
199         (Dwo_file::read_unit_index): Likewise.
200         (Dwo_file::sized_read_unit_index): Likewise.
201         (Dwo_file::copy_section): Likewise.
202         (Dwo_file::add_unit_set): Likewise.
203         (Dwp_output_file::add_output_section): Likewise.
204         (Dwp_output_file::add_contribution): Likewise.
205         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
206         for empty slot.
207         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
208         file format.
209         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
210         slot.
211         (Dwp_output_file::initialize): Remove unused function.
212         (Dwp_output_file::finalize): Add support for v2 package file format.
213         (Dwp_output_file::write_index): Likewise.
214         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
215         function prototype.
216
217 2013-03-01  Cary Coutant  <ccoutant@google.com>
218
219         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
220         function into class definition in header file.
221         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
222         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
223         New function.
224         (Dwarf_info_reader::check_buffer): Move here from .cc file.
225
226 2013-02-28  Alan Modra  <amodra@gmail.com>
227
228         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
229         * target.cc (Target::do_plt_fde_location): New function.
230         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
231         accessor function, and constructor param.
232         (struct Post_fde, Post_fdes): Declare.
233         (Cie::write): Add post_fdes param.
234         * ehframe.cc (Fde::write): Use plt_fde_location.
235         (struct Post_fde): Define.
236         (Cie::write): Stash FDEs added post merge mapping.
237         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
238         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
239         (Eh_frame::do_sized_write): Arrange to write post map FDES after
240         other FDEs.
241         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
242         (Target_powerpc::has_glink): New function.
243         (Target_powerpc::do_relax): Add eh_frame info for stubs.
244         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
245         glink_eh_frame_fde_32, default_fde): New data.
246         (Stub_table::eh_frame_added_): New var.
247         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
248         Make const.
249         (Stub_table::add_eh_frame): New function.
250         (Output_data_glink::add_eh_frame): New function.
251         (Target_powerpc::make_glink_section): Call add_eh_frame.
252
253 2013-02-15  Ian Lance Taylor  <iant@google.com>
254
255         * options.h (DEFINE_uint64_alias): Define.
256         (class General_options): Add -Ttext-segment as an alias for
257         -Ttext.
258
259 2013-02-15  Alan Modra  <amodra@gmail.com>
260
261         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
262         (Stub_table::do_write): ..here, two places.
263         (Stub_table::plt_call_size): Use it here too.
264
265 2013-02-11  Ian Lance Taylor  <iant@google.com>
266
267         * descriptors.cc (Descriptors::close_all): New function.
268         * descriptors.h (class Descriptors): Declare close_all.
269         (close_all_descriptors): New inline function.
270         * plugin.cc: Include "descriptors.h".
271         (Plugin_manager::cleanup): Call close_all_descriptors.
272
273 2013-02-06  Alan Modra  <amodra@gmail.com>
274
275         * README: Update coding style link.
276
277 2013-01-28  Cary Coutant  <ccoutant@google.com>
278
279         * dwp.cc (File_list): New typedef.
280         (Dwo_name_info_reader): New class.
281         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
282         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
283         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
284         (Dwo_file::read_executable): New function.
285         (Dwo_file::read): Move common setup code to ...
286         (Dwo_file::make_object): ... here.
287         (dwp_options): Add --exec/-e.
288         (usage): Likewise.
289         (main): Likewise.
290
291 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
292
293         * layout.cc (Layout::layout): Check for option text_reorder.
294         (Layout::make_output_section): Ditto.
295         * options.h (text_reorder): New option.
296         * output.cc (Input_section_sort_compare): Remove special ordering
297         of section names.
298         (Output_section::
299          Input_section_sort_section_name_special_ordering_compare::
300          operator()): New function.
301         (Output_section::sort_attached_input_sections): Use new sort function
302         for .text.
303         * output.h (Input_section_sort_section_name_special_ordering_compare):
304         New struct.
305         * testsuite/Makefile.am (text_section_grouping): Test option
306         --no-text-reorder
307         * testsuite/Makefile.in: Regenerate.
308         * testsuite/text_section_grouping.sh: Check order of functions without
309         default text reordering.
310
311 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
312
313         * options.h (General_options): Change default to true for new_dtags.
314
315 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
316
317         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
318         when enable_new_dtags is false.  Only add DT_RUNPATH when
319         enable_new_dtags is true.
320
321 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
322
323         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
324         used in declaration and definition consistent.
325         (Target_powerpc::symval_for_branch): Ditto.
326
327 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
328
329         * testsuite/plugin_final_layout.cc: Fix comment.
330
331 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
332
333         * layout.cc (Layout::layout): Do not do default sorting for
334         text sections when section ordering is specified.
335         (make_output_section): Ditto.
336         * testsuite/plugin_final_layout.cc: Name the function sections
337         to catch reordering issues.
338
339 2013-01-15  Alan Modra  <amodra@gmail.com>
340
341         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
342         plt-thread-safe.
343
344 2013-01-15  Alan Modra  <amodra@gmail.com>
345
346         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
347         * testsuite/Makefile.in: Regenerate.
348
349 2013-01-14  Alan Modra  <amodra@gmail.com>
350
351         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
352         * testsuite/Makefile.in: Regenerate.
353
354 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
355
356         PR bfd/14430
357         Fix mingw gold build with plugins enabled
358         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
359         * configure.ac: Export DLOPEN_LIBS and add headers check.
360         * plugin.cc: Handle non-dlfcn case.
361         * Makefile.in: Regenerate.
362         * config.in: Regenerate.
363         * configure: Regenerate.
364         * testsuite/Makefile.in: Regenerate.
365
366 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
367
368         * output.h (sort_attached_input_sections): Change to be public.
369         * script-sections.cc
370         (Output_section_definition::set_section_addresses): Sort
371         attached input sections according to section order before linker
372         script assigns section addresses.
373         (Orphan_output_section::set_section_addresses): Sort
374         attached input sections according to section order before linker
375         script assigns section addresses.
376         * Makefile.am (final_layout.sh): Use a simple linker script to
377         check if section ordering still works.
378         * Makefile.in: Regenerate.
379
380 2013-01-09  Ben Cheng  <bccheng@google.com>
381
382         * arm.cc (Target_arm::attributes_accept_div): New function.
383         (Target_arm::attributes_forbid_div): New function.
384         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
385         attribute using the same new functions as what bfd/elf32_arm.c
386         does.
387
388 2013-01-07  Cary Coutant  <ccoutant@google.com>
389
390         PR gold/14993
391         * output.cc (Output_section::add_input_section): For incremental
392         updates, don't track input sections that are allocated from patch
393         space.
394
395 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
396             Ian Lance Taylor  <iant@google.com>
397
398         PR gold/14897
399         * configure.ac (--enable-ld): Removed.
400         (install_as_default): Set to yes only for --enable-gold=default
401         or --disable-ld.
402         * configure: Regenerated.
403
404 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
405
406         * options.h (General_options): Add -fuse-ld= for GCC linker
407         option compatibility.
408
409 2013-01-04  Cary Coutant  <ccoutant@google.com>
410
411         * configure.ac: Fix typo restoring CXXFLAGS.
412         * configure: Regenerate.
413
414 2013-01-04  Cary Coutant  <ccoutant@google.com>
415
416         * testsuite/Makefile.am (CXXLINK_S): New macro.
417         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
418         * testsuite/Makefile.in: Regenerate.
419
420 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
421
422         * version.cc (print_version): Update copyright year to 2013.
423
424 2012-12-20  Ian Lance Taylor  <iant@google.com>
425
426         * layout.cc (Layout::special_ordering_of_input_section): New
427         function.
428         (Layout::layout): If input section requires special ordering, must
429         sort input sections.
430         (Layout::make_output_section): May sort .text input sections.
431         (Layout::is_section_name_prefix_grouped): Remove.
432         * layout.h (class Layout): Declare
433         special_ordering_of_input_section.  Don't declare
434         is_section_name_prefix_grouped.
435         * output.cc (Output_section::add_input_section): Revert last
436         change.
437         (Output_section::Input_section_sort::match_file_name): Don't crash
438         if called on output section data.
439         (Output_section::Input_section_sort_compare): Sort based on
440         special ordering.
441         (Output_section::Input_section_sort_section_order_index_compare):
442         Revert last patch.
443         (Output_section::sort_attached_input_sections): Likewise.
444
445 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
446
447         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
448         * layout.h (Layout::is_section_name_prefix_grouped): New function.
449         * output.cc (Output_section::add_input_section): Check if section
450         name contains special prefix.  Keep input sections to sort such
451         sections.
452         (Output_section::Input_section_sort_section_order_index_compare
453          ::operator()): Group sections according to prefixes.
454         (Output_section::sort_attached_input_sections): Add condition to
455         Input_section_entry constructor call.
456         * testsuite/Makefile.am (text_section_grouping): New test.
457         * testsuite/Makefile.in: Regenerate.
458         * testsuite/text_section_grouping.cc: New file.
459         * testsuite/text_section_grouping.sh: New file.
460
461 2012-12-17  Nick Clifton  <nickc@redhat.com>
462
463         * Makefile.am: Add copyright notice.
464         * NEWS: Likewise.
465         * README: Likewise.
466         * configure.ac: Likewise.
467         * ftruncate.c: Likewise.
468         * Makefile.in: Regenerate.
469
470 2012-12-14  Cary Coutant  <ccoutant@google.com>
471
472         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
473         --no-as-needed flag.
474         (exception_separate_shared_12_test): Likewise.
475         (incremental_copy_test): Likewise.
476         * testsuite/Makefile.in: Regenerate.
477
478 2012-12-14  Cary Coutant  <ccoutant@google.com>
479
480         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
481         (Dwp_output_file::Dwp_index::enter_set): Add assert.
482
483 2012-12-12  Alan Modra  <amodra@gmail.com>
484
485         * powerpc.cc (class Track_tls): New.
486         (class Relocate, class Scan): Inherit Track_tls.
487         (Target_powerpc::Scan::local, global): Track tls optimization
488         and avoid creating plt entry for __tls_get_addr if all uses
489         are optimized away.
490         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
491
492 2012-12-12  Alan Modra  <amodra@gmail.com>
493
494         * options.h (General_options): Add --toc-sort/--no-toc-sort.
495         Replace no_toc_optimize with toc_optimize.
496         * output.h (Output_section::input_sections): Provide non-const variant.
497         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
498         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
499         accessors.
500         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
501         (class Sort_toc_sections): New.
502         (Target_powerpc::do_finalize_sections): Sort toc sections.
503         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
504
505 2012-12-10  Roland McGrath  <mcgrathr@google.com>
506
507         * testsuite/binary_unittest.cc (read_all): New function.
508         (Sized_binary_test): Use it instead of ::read.
509         * fileread.cc (do_read): Don't assume pread always reads the whole
510         amount in a single call.
511
512 2012-12-10  Alan Modra  <amodra@gmail.com>
513
514         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
515         Set EM_PPC64 or EM_PPC here.
516         (Target_selector_powerpc::do_recognize): Delete.
517
518 2012-12-10  Alan Modra  <amodra@gmail.com>
519
520         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
521         stub_table_.
522         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
523
524 2012-12-07  Roland McGrath  <mcgrathr@google.com>
525
526         * testsuite/binary_unittest.cc (Sized_binary_test):
527         Use open_descriptor rather than ::open.
528
529 2012-12-07  Alan Modra  <amodra@gmail.com>
530
531         * powerpc.cc (Stub_table::do_write): Delete redundant Address
532         typedef and invalid_address constant.
533         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
534         instantiate constants.
535
536 2012-12-06  Roland McGrath  <mcgrathr@google.com>
537
538         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
539         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
540         * aclocal.m4: Regenerate.
541         * configure: Regenerate.
542         * Makefile.in: Regenerate.
543         * testsuite/Makefile.in: Regenerate.
544
545 2012-12-07  Alan Modra  <amodra@gmail.com>
546
547         * options.h (General_options): Add no_toc_optimize.
548         * powerpc.cc (ok_lo_toc_insn): New function.
549         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
550
551 2012-12-06  Alan Modra  <amodra@gmail.com>
552
553         * options.h (General_options): Add plt_align, plt_static_chain,
554         plt_thread_safe.  Update stub_group_size help text.
555         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
556         for new plt_thread_safe_ var.
557         (use_plt_offset): Correct comments.
558         (Target_powerpc::do_relax): Look for thread creation symbols to
559         determine default plt_thread_safe value.  Clear plt call stubs
560         as well as branch stubs each iteration.
561         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
562         insn constants.
563         (l, hi, ha, write_insn): Move earlier.
564         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
565         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
566         plt stubs too.
567         (Stub_table::update_size): Adjust.
568         (Stub_table::prev_size, set_prev_size): Delete.
569         (Stub_table::stub_align): Let --plt-align affect result.
570         (Stub_table::plt_call_size): Calculate sizes for various stubs.
571         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
572         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
573         (Stub_table::do_write): Support more stub variants.
574
575 2012-12-04  Alan Modra  <amodra@gmail.com>
576
577         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
578         (Target_powerpc::do_define_standard_symbols): New function.
579
580 2012-12-03  Alan Modra  <amodra@gmail.com>
581
582         * output.h: Formatting, whitespace.
583
584 2012-12-03  Alan Modra  <amodra@gmail.com>
585
586         * layout.h (Layout::get_executable_sections): Declare.
587         * layout.cc (Layout::get_executable_sections): New function.
588         * arm.cc (Target_arm::group_sections): Use it.
589         (Arm_output_section::group_sections): Delete now redundant test.
590         * output.cc (Output_reloc::Output_reloc): Add is_relative.
591         param to handle relative relocs.
592         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
593         (Output_data_reloc::add_absolute): Adjust.
594         (Output_data_reloc::add_relative): New function.
595         (Output_data::reset_data_size): New function.
596         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
597         (Output_section::set_addralign): New function.
598         (Output_section::checkpoint_set_addralign): New function.
599         (Output_section::clear_section_offsets_need_adjustment): New function.
600         (Output_section::input_sections): Make public.
601         * powerpc.cc (class Output_data_brlt_powerpc): New.
602         (class Stub_table, class Stub_control): New.
603         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
604         stub_table_, set_stub_table, stub_table): New vectors and accessor
605         functions.
606         (Target_powerpc::do_may_relax, do_relax, push_branch,
607         new_stub_table, stub_tables, brlt_section, group_sections,
608         add_branch_lookup_table, find_branch_lookup_table,
609         write_branch_lookup_table, make_brlt_section): New functions.
610         (Target_powerpc::struct Sort_sections, class Branch_info): New.
611         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
612         branch_info_): New vars.
613         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
614         make call stubs here.
615         (Output_data_glink): Remove all call stub handling from this class.
616         (Target_powerpc::Scan::local, global): Save interesting branch
617         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
618         (Target_powerpc::do_finalize_sections): Only make reg save/restore
619         functions on final link.
620         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
621         Handle long branch destinations too.
622         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
623         do_plt_address_for_local): Adjust lookup of plt call stubs.
624
625 2012-11-30  Alan Modra  <amodra@gmail.com>
626
627         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
628         relocs against protected symbols when building 32-bit shared libs.
629
630 2012-11-30  Alan Modra  <amodra@gmail.com>
631
632         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
633         param.  Call got_section() to make .got.  Update all callers
634         and their callers and so on.
635
636 2012-11-30  Alan Modra  <amodra@gmail.com>
637
638         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
639         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
640         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
641         value if it already exists.
642
643 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
644
645         PR gold/14858
646         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
647
648 2012-11-14  Roland McGrath  <mcgrathr@google.com>
649
650         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
651         than bfc instruction for data sandboxing.
652
653 2012-11-08  Alan Modra  <amodra@gmail.com>
654
655         * po/POTFILES.in: Regenerate.
656
657 2012-11-05  Alan Modra  <amodra@gmail.com>
658
659         * configure.ac: Apply 2012-09-10 change to config.in here.
660         * configure: Regenerate.
661
662 2012-11-05  Alan Modra  <amodra@gmail.com>
663
664         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
665         (struct Opd_ent): Use "Address" rather than "Offset".
666         (Output_data_got_powerpc::got_base_offset): Return Valtype.
667         (Target_powerpc::got_section): Make public.
668         (Target_powerpc::scan_relocs): Move code setting symbols..
669         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
670         Create _SDA_BASE_ only when referenced.
671
672 2012-11-02  Roland McGrath  <mcgrathr@google.com>
673
674         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
675         from last change.
676
677 2012-11-01  Roland McGrath  <mcgrathr@google.com>
678
679         * target.h (Sized_target::relocate_relocs): Use Elf_Off
680         for offset_in_output_section parameter.
681         (Sized_target::relocate_special_relocatable): Likewise.
682         * arm.cc (Target_arm::relocate_relocs): Likewise.
683         (Target_arm::relocate_special_relocatable): Likewise.
684         * i386.cc (Target_i386::relocate_relocs): Likewise.
685         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
686         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
687         * target-reloc.h (relocate_relocs): Likewise.
688         * testsuite/testfile.cc (Target_test): Likewise.
689         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
690         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
691
692         * system.h: Move inclusion of <clocale> to after <libintl.h> in
693         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
694
695         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
696         parameter, which is unused in the [!F_SETFD] case.
697
698         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
699         SYMNDX to off_t before comparing it to this->data_size().
700         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
701         * incremental.cc (Output_section_incremental_inputs::do_write):
702         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
703
704         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
705
706 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
707
708         * gold.cc (Target_arm::do_adjust_elf_header): Add the
709         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
710         in EABI_VER5.
711
712 2012-10-29  Cary Coutant  <ccoutant@google.com>
713
714         * dwp.cc (usage): Add file and exit status parameters;
715         add --help and --version options.
716         (print_version): New function.
717         (main): Add --help and --version options.
718
719 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
720
721         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
722         final_layout_sequence.txt.
723         * testsuite/Makefile.in: Regenerated.
724
725 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
726
727         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
728         COMPILE generated by automake.
729         (LINK1): Likewise.
730         (CXXCOMPILE1): Likewise.
731         (CXXLINK1): Likewise.
732         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
733         (LINK): Likewise.
734         (CXXCOMPILE): Likewise.
735         (CXXLINK): Likewise.
736         * testsuite/Makefile.in: Regenerated.
737
738 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
739
740         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
741         on bad fwrite return.
742
743 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
744
745         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
746         on val.
747
748 2012-10-23  Cary Coutant  <ccoutant@google.com>
749
750         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
751         * testsuite/Makefile.in: Regenerate.
752         * testsuite/dwp_test.h: New source file.
753         * testsuite/dwp_test_1.cc: New source file.
754         * testsuite/dwp_test_1.s: New source file.
755         * testsuite/dwp_test_1.sh: New source file.
756         * testsuite/dwp_test_1b.cc: New source file.
757         * testsuite/dwp_test_1b.s: New source file.
758         * testsuite/dwp_test_2.cc: New source file.
759         * testsuite/dwp_test_2.s: New source file.
760         * testsuite/dwp_test_2.sh: New source file.
761         * testsuite/dwp_test_main.cc: New source file.
762         * testsuite/dwp_test_main.s: New source file.
763
764 2012-10-23  Cary Coutant  <ccoutant@google.com>
765
766         * dwp.h: New header file.
767         * dwp.cc: New source file.
768         * gold.h: Move shared declarations to system.h.
769         * system.h: New header file.
770         * Makefile.am: Add dwp.
771         * Makefile.in: Regenerate.
772
773 2012-10-23  Cary Coutant  <ccoutant@google.com>
774
775         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
776         Dwarf_info_reader::read_from_pointer.
777         (Dwarf_pubnames_table::read_header): Likewise.
778         (Dwarf_pubnames_table::next_name): Likewise.
779         (Dwarf_die::read_attributes): Likewise.
780         (Dwarf_die::skip_attributes): Likewise.
781         (Dwarf_info_reader::read_from_pointer): New function template.
782         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
783         (Dwarf_pubnames_table): Likewise.
784         (Dwarf_info_reader::read_from_pointer): New function template.
785         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
786         Dwarf_pubnames_table ctor.
787
788 2012-10-23  Cary Coutant  <ccoutant@google.com>
789
790         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
791         abbrev_shndx.
792         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
793         abbrev_shndx_.
794         (Dwarf_info_reader::set_abbrev_shndx): New method.
795         (Dwarf_info_reader::abbrev_shndx_): New data member.
796
797 2012-10-23  Cary Coutant  <ccoutant@google.com>
798
799         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
800         from object, not parameters.
801         (Dwarf_info_reader::parse): Likewise.
802         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
803         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
804         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
805         methods.
806
807 2012-10-23  Cary Coutant  <ccoutant@google.com>
808
809         * fileread.cc (Input_file::Input_file): New constructor.
810         * fileread.h (class Input_file): Add new constructor.
811
812 2012-10-18  Alan Modra  <amodra@gmail.com>
813
814         PR gold/14727
815         * object.cc (Relobj::is_section_name_included): Also match
816         .sdata personality section.
817
818 2012-10-18  Alan Modra  <amodra@gmail.com>
819
820         * target-reloc.h (class Default_comdat_behavior): New, package up..
821         (get_comdat_behaviour): ..this.
822         (relocate_section): Add Relocate_comdat_behavior template arg,
823         adjust code to suit.
824         * arm.cc (Target_arm::relocate_section): Adjust to suit.
825         (Target_arm::scan_reloc_section): Likewise.
826         * i386.cc (Target_i386::relocate_section): Likewise.
827         * sparc.cc (Target_sparc::relocate_section): Likewise.
828         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
829         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
830         * powerpc.cc (class Relocate_comdat_behavior): New.
831         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
832         gold::relocate_section with new template arg.
833
834 2012-10-18  Alan Modra  <amodra@gmail.com>
835
836         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
837         dynamic relocs for GOT_TPREL got entries, without symbol if
838         resolving locally.
839         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
840         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
841         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
842
843 2012-10-17  Alan Modra  <amodra@gmail.com>
844
845         PR gold/14726
846         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
847
848 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
849
850         * layout.cc (Layout::include_section): Keep sections marked
851         SHF_EXCLUDE when doing relocatable links.
852
853 2012-10-16  Alan Modra  <amodra@gmail.com>
854
855         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
856         (Target_powerpc::do_finalize_sections): Call it.
857         (Output_data_save_res): New class and supporting functions.
858         (Target_powerpc::symval_for_branch): Only look up .opd entry for
859         normal symbols defined in object files.
860
861 2012-10-12  Alan Modra  <amodra@gmail.com>
862
863         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
864         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
865         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
866         section if scan_opd_relocs not yet called.
867         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
868
869 2012-10-12  Alan Modra  <amodra@gmail.com>
870
871         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
872         add_local_ifunc_entry): Revert last change.
873         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
874
875 2012-10-05  Alan Modra  <amodra@gmail.com>
876
877         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
878         do_plt_address_for_global): New functions.
879         (Output_data_got_powerpc::do_write): Don't segfault when linking
880         statically.
881         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
882         add_local_ifunc_entry): Return true on adding entry..
883         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
884         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
885         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
886         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
887         set up symbols here.
888         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
889         syms here.  Do so even when no .iplt.  Don't segfault when linking
890         statically.
891         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
892         new variants without reloc param.
893         (Glink_sym_ent::Glink_sym_ent): Likewise.
894         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
895         reloc when refs will resolve to plt call stub.
896         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
897         R_PPC_PLTREL24 to resolve locally.
898         (Target_powerpc::Scan::global): Correct ifunc handling.
899         (Target_powerpc::Relocate::relocate): Correct local sym glink
900         lookup.  Don't destroy "value" when we have a plt call stub,
901         and when checking plt call validity.
902         (Target_powerpc::do_dynsym_value): Simplify.
903
904 2012-10-05  Alan Modra  <amodra@gmail.com>
905
906         * i386.cc (Output_data_plt_i386::address_for_global,
907         address_for_local): Add plt offset to returned value.  Adjust uses.
908         * sparc.cc (Output_data_plt_sparc::address_for_global,
909         address_for_local): Likewise.
910         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
911         address_for_local): Likewise.
912         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
913         address_for_local): Likewise.
914         * target.h (Target::plt_address_for_global, plt_address_for_local):
915         Update comment.
916         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
917         (Output_data_got::Got_entry::write): Nor here.
918         * output.h: Comment fix.
919
920 2012-10-02  Jiong Wang  <jiwang@tilera.com>
921
922         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
923         global_offset_table_ value for larget got.
924         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
925
926 2012-09-29  Alan Modra  <amodra@gmail.com>
927
928         * powerpc.cc (Target_powerpc::iplt_): New output section.
929         (Target_powerpc::iplt_section, make_iplt_section,
930         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
931         (Target_powerpc::make_plt_entry): Handle ifunc syms.
932         Target_powerpc::plt_entry_count): Count iplt entries too.
933         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
934         reloc section in constructor.  New params.
935         (Target_powerpc::make_plt_section): Create reloc section here instead.
936         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
937         functions.
938         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
939         (Output_data_glink::add_entry, find_entry): New functions to
940         deal with local syms.
941         (Glink_sym_ent): Add support for local syms.
942         (Output_data_glink::do_write): Handle ifunc plt entries.
943         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
944         (Target_powerpc::Scan::local, global): Handle ifunc syms.
945         (Target_powerpc::Relocate::relocate): Likewise.
946         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
947
948 2012-09-25  Alan Modra  <amodra@gmail.com>
949
950         * object.h (Sized_relobj_file::adjust_local_symbol,
951         do_adjust_local_symbol): New functions.
952         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
953         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
954         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
955         and irregular opd entry spacing.
956         (Powerpc_relobj::do_read_relocs): Add opd size checks.
957         (Global_symbol_visitor_opd): New functor.
958         (Target_powerpc::do_finalize_sections): Omit global symbols defined
959         on deleted opd entries.
960
961 2012-09-15  Jiong Wang  <jiwang@tilera.com>
962
963         * tilegx.cc: New file.
964         * Makefile.am (TARGETSOURCES): Add tilegx.cc
965         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
966         * configure.tgt: Add entries for tilegx*.
967         * configure.ac: Likewise.
968         * Makefile.in: Rebuild.
969         * configure: Likewise.
970         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
971         tilegx.
972
973 2012-09-13  Alan Modra  <amodra@gmail.com>
974
975         * target-reloc.h (scan_relocs): Call scan.local for relocs
976         against symbols in discarded sections.  Pass is_discarded
977         param.
978         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
979         Add is_discarded param.
980         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
981         is_discarded to flag opd entry as discarded.  Don't emit dyn
982         relocs on such entries.
983         (Target_powerpc::Scan::global): Similarly detect and handle
984         such opd entries.
985         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
986         opd_ent_.  Update all uses.
987         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
988         (Target_powerpc::relocate_section): Zero out discarded opd
989         entry relocs.
990
991 2012-09-12  Ian Lance Taylor  <iant@google.com>
992
993         PR gold/14570
994         * output.cc: Rename Output_data_got template parameter from size
995         to got_size for all functions.  Compile all variants of
996         Output_data_got.
997         (Output_data_got::Got_entry::write): Correct use of size for
998         symbol value.  Use local_is_tls rather than casting to
999         Sized_relobj_file.
1000         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1001         (class Sized_relobj_file): Add do_local_is_tls.
1002         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1003
1004 2012-09-11  Alan Modra  <amodra@gmail.com>
1005
1006         PR gold/14566
1007         * layout.cc (Layout::set_segment_offsets): When using
1008         common-page-size alignment, ensure we are on a new max-page-size
1009         page.
1010         * output.cc (Output_segment::set_section_addresses): Use
1011         abi_pagesize, not common_pagesize for relro boundary.
1012         (Output_segment::set_offset): Likewise.
1013
1014 2012-09-11  Alan Modra  <amodra@gmail.com>
1015
1016         * output.h (Output_data_got::add_global_tls, add_local_tls,
1017         add_local_tls_pair): New functions.
1018         (Output_data_got::add_local_pair_with_rel): Remove second
1019         reloc param.  Expand comment.
1020         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1021         use_plt_or_tls_offset_, similarly for constructor param.
1022         (Output_data_got::Got_entry::write): Add got_index param.
1023         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1024         add_local_tls_pair): New functions.
1025         (Output_data_got::Got_entry::write): Handle tls symbols
1026         with use_plt_or_tls_offset_ set specially.
1027         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1028         (Output_data_got::do_write): Replace iterator with index, pass
1029         index to entry write function.
1030         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1031         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1032         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1033         call.
1034         * i386.cc (Target_i386::Scan::local): Likewise.
1035         * sparc.cc (Target_sparc::Scan::local): Likewise.
1036         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1037         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1038         do_tls_offset_for_global): New functions.
1039         (Target_powerpc::Scan::local): Correct TLS relocations and got
1040         entry values.
1041         (Target_powerpc::Scan::global): Don't emit unnecessary
1042         dynamic relocations on TLS GOT entries.
1043
1044 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1045
1046         * config.in: Disable sanity check for kfreebsd.
1047
1048 2012-09-10  Sterling Augustine  <saugustine@google.com>
1049
1050         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1051         (Gdb_index::pubtypes_read): New parameter.
1052         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1053         to calls.
1054         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1055         pubtypes_object_.
1056
1057 2012-09-09  Alan Modra  <amodra@gmail.com>
1058
1059         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1060         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1061         * gc.h (gc_process_relocs): Call target gc_add_reference.
1062         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1063         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1064         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1065         unnecessary cast.
1066         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1067         to cater for when we don't need code offset.  Update use.
1068         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1069         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1070         set_opd_valid): New functions.
1071         (Target_powerpc::do_gc_add_reference): New function.
1072         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1073         stashed refs.
1074         (Target_powerpc::do_gc_mark_symbol): New function.
1075
1076 2012-09-06  Cary Coutant  <ccoutant@google.com>
1077
1078         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1079         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1080         (Dwarf_die::skip_attributes): Likewise.
1081         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1082         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1083         (main): Call it.
1084         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1085
1086 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1087
1088         * testsuite/script_test_3.t: Add .got.plt output section
1089         statement.
1090         * testsuite/script_test_4.t: Likewise.
1091
1092 2012-09-05  Alan Modra  <amodra@gmail.com>
1093
1094         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1095         update all uses and lose "enum" when using type.
1096
1097 2012-09-05  Alan Modra  <amodra@gmail.com>
1098
1099         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1100         * configure: Regenerate.
1101         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1102         (plugin_final_layout.stdout): Likewise.
1103         (memory_test): Set page sizes to 0x1000.
1104         * testsuite/Makefile.in: Regenerate.
1105         * testsuite/discard_locals_test.sh: Add FIXME comment.
1106         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1107         * testsuite/pr14265.t: Add .got output section statement.
1108         * testsuite/script_test_2.t: Likewise.
1109         * testsuite/script_test_3.t: Likewise.
1110         * testsuite/script_test_4.t: Likewise.
1111         * testsuite/script_test_5.t: Likewise.
1112         * testsuite/script_test_6.t: Likewise.
1113         * testsuite/script_test_7.t: Likewise.
1114         * testsuite/script_test_9.t: Likewise.
1115
1116 2012-09-05  Alan Modra  <amodra@gmail.com>
1117
1118         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1119         (Powerpc_relocate_functions::Status): New typedef.
1120         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1121         (Target_powerpc::Scan::local): Handle REL64.
1122         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1123         for REL32 and REL64.
1124         (Target_powerpc::symval_for_branch): New function, extracted from..
1125         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1126         checks.  Report overflow errors.
1127
1128 2012-09-05  Alan Modra  <amodra@gmail.com>
1129
1130         * object.h (Sized_relobj_file::emit_relocs): Delete.
1131         (Sized_relobj_file::emit_relocs_reltype): Delete.
1132         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1133         relocate_relocs for --emit-relocs.
1134         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1135         * output.h: Update comment.
1136         (Output_segment::first_section): New function.
1137         (Output_segment::first_section_load_address): Use first_section.
1138         * output.cc (Output_segment::first_section): New function extracted..
1139         (Output_segment::first_section_load_address): ..from here.  Delete.
1140         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1141         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1142         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1143         adjust call to target.h function.
1144         * i386.cc (Target_i386): Likewise.
1145         * sparc.cc (Target_sparc): Likewise.
1146         * x86_64.cc (Target_x86_64): Likewise.
1147         * powerpc.cc (Target_powerpc): Likewise.
1148         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1149         first tls section has section symbol for optimised local dynamic
1150         output relocs.
1151         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1152         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1153         optimised tls code.
1154         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1155         Rename to relocate_relocs.  Update error message.
1156
1157 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1158
1159         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1160         --just-symbols.
1161
1162 2012-08-31  Alan Modra  <amodra@gmail.com>
1163
1164         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1165         (Powerpc_relobj::toc_base_offset): New stub function.
1166         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1167         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1168         (Target_powerpc::Relocate::enum skip_tls): New.
1169         (Target_powerpc::call_tls_get_addr_): New var.
1170         (Target_powerpc::is_branch_reloc): Move to file scope.
1171         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1172         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1173         New functions.
1174         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1175         (powerpc_info): Correct common_pagesize for ppc64.
1176         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1177         (Powerpc_relocate_functions): Add overflow check enums and functions.
1178         Add non-shift version of rela, rela_ua.  Delete all rel public
1179         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1180         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1181         addr16_ha3, addr14 functions.
1182         (Output_data_got_powerpc::add_constant_pair): New function.
1183         (Output_data_got_powerpc::got_base_offset): Likewise.
1184         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1185         (instruction constants): Sort, add some more.
1186         (Output_data_glink::do_write): Add and use Address typedef.  Use
1187         object->toc_base_offset() stub for 64-bit.
1188         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1189         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1190         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1191         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1192         Always treat .opd relocs as against locally defined symbol.
1193         Correct condition for RELATIVE relocs.
1194         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1195         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1196         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1197         calculations.  Handle TLS relocs, and more.  Add overflow
1198         checking and adjust for Powerpc_relocate_functions changes.
1199         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1200         Reinstate --emit-relocs code with FIXME.
1201
1202 2012-08-30  Alan Modra  <amodra@gmail.com>
1203
1204         * layout.cc (Layout::set_segment_offsets): Set p_align to
1205         abi_pagesize, not common_pagesize.
1206         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1207         to determine whether file header can go in segment.
1208
1209 2012-08-30  Alan Modra  <amodra@gmail.com>
1210
1211         * output.h (Output_reloc::Output_reloc <output section>): Add
1212         is_relative param.  Adjust calls.
1213         (Output_reloc::add_output_section_relative): New functions.
1214         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1215         is_relative.
1216         (Output_reloc::symbol_value): Handle SECTION_CODE.
1217
1218 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1219
1220         * gold.cc (queue_middle_tasks): Call layout again when unique
1221         segments for sections is desired.
1222         * layout.cc (Layout::Layout): Initialize new members.
1223         (Layout::get_output_section_flags): New function.
1224         (Layout::choose_output_section): Call get_output_section_flags.
1225         (Layout::layout): Make output section for mapping to a unique segment.
1226         (Layout::insert_section_segment_map): New function.
1227         (Layout::attach_allocated_section_to_segment): Make unique segment for
1228         output sections marked so.
1229         (Layout::segment_precedes): Check for unique segments when sorting.
1230         * layout.h (Layout::Unique_segment_info): New struct.
1231         (Layout::Section_segment_map): New typedef.
1232         (Layout::insert_section_segment_map): New function.
1233         (Layout::get_output_section_flags): New function.
1234         (Layout::is_unique_segment_for_sections_specified): New function.
1235         (Layout::set_unique_segment_for_sections_specified): New function.
1236         (Layout::unique_segment_for_sections_specified_): New member.
1237         (Layout::section_segment_map_): New member.
1238         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
1239         Rename is_gc_pass_one to is_pass_one.
1240         Rename is_gc_pass_two to is_pass_two.
1241         Rename is_gc_or_icf to is_two_pass.
1242         Check for which pass based on whether symbols data is present.
1243         Make it two pass when unique segments for sections is desired.
1244         * output.cc (Output_section::Output_section): Initialize new
1245         members.
1246         * output.h (Output_section::is_unique_segment): New function.
1247         (Output_section::set_is_unique_segment): New function.
1248         (Output_section::is_unique_segment_): New member.
1249         (Output_section::extra_segment_flags): New function.
1250         (Output_section::set_extra_segment_flags): New function.
1251         (Output_section::extra_segment_flags_): New member.
1252         (Output_section::segment_alignment): New function.
1253         (Output_section::set_segment_alignment): New function.
1254         (Output_section::segment_alignment_): New member.
1255         (Output_segment::Output_segment): Initialize is_unique_segment_.
1256         (Output_segment::is_unique_segment): New function.
1257         (Output_segment::set_is_unique_segment): New function.
1258         (Output_segment::is_unique_segment_): New member.
1259         * plugin.cc (allow_unique_segment_for_sections): New function.
1260         (unique_segment_for_sections): New function.
1261         (Plugin::load): Add new functions to transfer vector.
1262         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1263         * Makefile.in: Regenerate.
1264         * testsuite/plugin_final_layout.sh: Check if unique segment
1265         functionality works.
1266         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1267         are available.
1268         (allow_unique_segment_for_sections): New global.
1269         (unique_segment_for_sections): New global.
1270         (claim_file_hook): Call allow_unique_segment_for_sections.
1271         (all_symbols_read_hook): Call unique_segment_for_sections.
1272
1273 2012-08-22  Cary Coutant  <ccoutant@google.com>
1274
1275         * layout.cc (Layout::include_section): Don't assert on GROUP
1276         sections with --emit-relocs.
1277
1278 2012-08-21  Cary Coutant  <ccoutant@google.com>
1279
1280         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1281         if --export-dynamic-symbol names an undef symbol.
1282
1283 2012-08-18  Alan Modra  <amodra@gmail.com>
1284
1285         * powerpc.cc: Formatting and white space.
1286         (Powerpc_relobj): Rename got2_section_ to special_.
1287         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1288         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1289         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1290         (Target_powerpc): Add Address typedef and invalid_address.  Use
1291         throughout.
1292         (Target_powerpc::is_branch_reloc): New function.
1293         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1294         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1295         for dst_mask, value and addend.
1296         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1297         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1298         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1299         uint16_t for 24-bit offset.  Use get_output_section_offset and
1300         check return.
1301         (Target_powerpc::Scan::local): Handle more relocs.
1302         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1303         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1304         Plug in toc restoring insn after plt calls.  Translate branches
1305         to function descriptor symbols to corresponding entry point.
1306         (Target_powerpc::relocate_for_relocatable): Check return from
1307         get_output_section_offset.
1308         * symtab.h: Comment typo.
1309
1310 2012-08-14  Ian Lance Taylor  <iant@google.com>
1311
1312         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1313         unsupported_relocal_local to call unsupported_reloc_global.
1314
1315 2012-08-14  Nick Clifton  <nickc@redhat.com>
1316
1317         PR ld/14265
1318         * script-sections.cc (Sections_element::output_section_name): Add
1319         keep return parameter.
1320         (Output_section_element::match_name): Add keep return parameter.
1321         Return the value of the keep_ member.
1322         * script-sections.h (class Output_section): Update
1323         output_section_name prototype.
1324         * layout.cc (Layout::keep_input_section): New public member
1325         function.
1326         (Layout::choose_output_section): Pass keep parameter to
1327         output_section_name.
1328         * layout.h (class Layout): Add keep_input_section.
1329         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1330         sections.
1331         * testsuite/Makefile.am: Add a test.
1332         * testsuite/Makefile.in: Regenerate.
1333         * testsuite/pr14265.c: Source file for the test.
1334         * testsuite/pr14265.t: Linker script for the test.
1335         * testsuite/pr14265.sh: Shell script for the test.
1336
1337 2012-08-14  Alan Modra  <amodra@gmail.com>
1338
1339         * target.h (Target::output_section_name): New function.
1340         (Target::do_output_section_name): New function.
1341         * layout.cc (Layout::choose_output_section): Call the above.
1342         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1343
1344 2012-08-14  Alan Modra  <amodra@gmail.com>
1345
1346         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1347         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1348         for replace_constant call.
1349         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1350         (Output_data_glink::do_print_to_mapfile): New function.
1351         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1352         (Target_powerpc::Relocate::relocate): Likewise.
1353
1354 2012-08-14  Alan Modra  <amodra@gmail.com>
1355
1356         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1357         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1358         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1359         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1360         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1361         here.
1362         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1363         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1364         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1365         here.
1366         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1367         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1368
1369 2012-08-12  Alan Modra  <amodra@gmail.com>
1370
1371         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1372         (glink insn constants): Use uint32_t.
1373         (Output_data_glink::add_entry): Use insert, not [] operator.
1374
1375 2012-08-11  Alan Modra  <amodra@gmail.com>
1376
1377         * object.h (Sized_relobj_file::find_shdr): New function.
1378         (Sized_relobj_file::find_special_sections): New function.
1379         * object.cc (Sized_relobj_file::find_shdr): New function.
1380         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1381         (Sized_relobj_file::find_special_sections): New function, split out..
1382         (Sized_relobj_file::do_read_symbols): ..from here.
1383         * output.h (Output_data_got::replace_constant): New function.
1384         (Output_data_got::num_entries): New function.
1385         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1386         (Output_data_got::got_offset): Protected rather than private.
1387         (Output_data_got::replace_got_entry): New function.
1388         * output.cc (Output_data_got::replace_got_entry): New function.
1389         * powerpc.cc (class Powerpc_relobj): New.
1390         (class Powerpc_relocate_functions): Delete all psymval variants or
1391         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1392         Implement _ha functions using corresponding _hi function.
1393         (Powerpc_relobj::find_special_sections): New function.
1394         (Target_powerpc::do_make_elf_object): New function.
1395         (class Output_data_got_powerpc): New.
1396         (class Output_data_glink): New.
1397         (class Powerpc_scan_relocatable_reloc): New.
1398         Many more changes througout file.
1399
1400 2012-08-09  Nick Clifton  <nickc@redhat.com>
1401
1402         * po/vi.po: Updated Vietnamese translation.
1403
1404 2012-08-07  Ian Lance Taylor  <iant@google.com>
1405
1406         * layout.cc (Layout::add_target_dynamic_tags): If
1407         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1408         plt_rel.
1409
1410 2012-07-30  Nick Clifton  <nickc@redhat.com>
1411
1412         * po/gold.pot: Updated template.
1413         * po/es.po: Updated Spanish translation.
1414
1415 2012-07-18  Cary Coutant  <ccoutant@google.com>
1416
1417         PR gold/14344
1418         * configure.ac: Add check for -gpubnames support.
1419         * configure: Regenerate.
1420         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1421         support; force -gno-pubnames.
1422         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1423         support.
1424         (gdb_index_test_4): New test.
1425         * testsuite/Makefile.in: Regenerate.
1426         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1427         * testsuite/gdb_index_test_2.sh: Likewise.
1428         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1429         * testsuite/gdb_index_test_4.sh: New script.
1430         * testsuite/gdb_index_test_comm.sh: New script with common code;
1431         don't look for space after colon.
1432
1433 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1434
1435         * gold.cc (queue_middle_tasks): Update function order only after
1436         deferred objects due to plugins are processed.
1437
1438 2012-07-11  Ian Lance Taylor  <iant@google.com>
1439
1440         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1441         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1442         (Target_arm::scan_reloc_for_stub): Likewise.
1443         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1444         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1445         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1446         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1447         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1448
1449 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1450             Ian Lance Taylor  <iant@google.com>
1451
1452         PR gold/14309
1453         * configure.ac: Test whether std::tr1::hash<off_t> works.
1454         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1455         needed.
1456         * output.h (class Output_fill): Add virtual destructor.
1457         * configure, config.in: Rebuild.
1458
1459 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1460
1461         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1462
1463 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1464
1465         * plugin.cc (Plugin::load): Handle position independent executables.
1466
1467 2012-06-06  Cary Coutant  <ccoutant@google.com>
1468
1469         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1470         add .debug_macro.
1471         (lines_only_debug_sections): Likewise.
1472         (gdb_fast_lookup_sections): New static array.
1473         (is_gdb_debug_section): Rename formal parameter.
1474         (is_lines_only_debug_section): Likewise.
1475         (is_gdb_fast_lookup_section): New function.
1476         (Layout::include_section): Check for ".zdebug_" prefix; pass
1477         section name suffix to is_gdb_debug_section, et al.; check for
1478         fast-lookup sections when building .gdb_index.
1479         * options.h (--strip-debug-gdb): Update GDB version number.
1480
1481 2012-06-06  Cary Coutant  <ccoutant@google.com>
1482
1483         * configure.ac: Add check for fallocate.
1484         * configure: Regenerate.
1485         * config.in: Regenerate.
1486
1487         * options.h (class General_options): Add --mmap-output-file and
1488         --posix-fallocate options.
1489         * output.cc: (posix_fallocate): Remove; replace with...
1490         (gold_fallocate): New function.
1491         (Output_file::map_no_anonymous): Call gold_fallocate.
1492         (Output_file::map): Check --mmap-output-file option.
1493
1494 2012-06-05  Jing Yu  <jingyu@google.com>
1495
1496         * gold.h (textdomain): Add do {} to empty while(0).
1497         (bindtextdomain): Likewise.
1498
1499 2012-06-04  Cary Coutant  <ccoutant@google.com>
1500
1501         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1502         has_dynsym_index.
1503
1504 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1505
1506         * symtab.cc (Symbol_table::define_special_symbol):
1507         Initialize *poldsym to prevent uninitialized variable errors.
1508
1509 2012-05-23  Cary Coutant  <ccoutant@google.com>
1510
1511         * layout.cc (Layout::section_name_mapping): Add rules to handle
1512         exact match on .data.rel.ro.local or .data.rel.ro.
1513         (Layout::output_section_name): Check for exact matches.
1514
1515 2012-05-23  Cary Coutant  <ccoutant@google.com>
1516
1517         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1518         more carefully.
1519
1520 2012-05-22  Cary Coutant  <ccoutant@google.com>
1521
1522         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1523         object before exporting symbol.
1524
1525 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1526
1527         * testsuite/tls_test.cc: Include "config.h" first.
1528         * testsuite/tls_test_c.c: Likewise.
1529
1530 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1531             Nick Clifton  <nickc@redhat.com>
1532
1533         PR 14072
1534         * configure.in: Add check that sysdep.h has been included before
1535         any system header files.
1536         * configure: Regenerate.
1537         * config.in: Regenerate.
1538
1539 2012-05-14  Cary Coutant  <ccoutant@google.com>
1540
1541         * layout.cc (Layout::make_output_section): Mark .tdata section
1542         as RELRO.
1543         * testsuite/relro_test.cc: Add a TLS variable.
1544
1545 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1546
1547         PR gold/14091
1548         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1549         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1550         R_X86_64_64.
1551
1552 2012-05-08  Cary Coutant  <ccoutant@google.com>
1553
1554         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1555         (lines_only_debug_sections): Likewise.
1556
1557 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1558
1559         * nacl.cc: New file.
1560         * nacl.h: New file.
1561         * Makefile.am (CCFILES, HFILES): Add them.
1562         * Makefile.in: Regenerate.
1563         * i386.cc (Output_data_plt_i386_nacl): New class.
1564         (Output_data_plt_i386_nacl_exec): New class.
1565         (Output_data_plt_i386_nacl_dyn): New class.
1566         (Target_i386_nacl): New class.
1567         (Target_selector_i386_nacl): New class.
1568         (target_selector_i386): Use it instead of Target_selector_i386.
1569         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1570         (Target_x86_64_nacl): New class.
1571         (Target_selector_x86_64_nacl): New class.
1572         (target_selector_x86_64, target_selector_x32): Use it instead of
1573         Target_selector_x86_64.
1574         * arm.cc (Output_data_plt_arm_nacl): New class.
1575         (Target_arm_nacl): New class.
1576         (Target_selector_arm_nacl): New class.
1577         (target_selector_arm, target_selector_armbe): Use it instead of
1578         Target_selector_arm.
1579
1580         * target-select.cc (select_target): Take new Input_file* and off_t
1581         arguments, pass them on to recognize method of selector.
1582         * object.cc (make_elf_sized_object): Update caller.
1583         * parameters.cc (parameters_force_valid_target): Likewise.
1584         * incremental.cc (make_sized_incremental_binary): Likewise.
1585         * target-select.h: Update decl.
1586         (Target_selector::recognize): Take new Input_file* argument,
1587         pass it on to do_recognize.
1588         (Target_selector::do_recognize): Take new Input_file* argument.
1589         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1590         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1591         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1592         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1593
1594         * target.h (Target::Target_info): New members isolate_execinstr
1595         and rosegment_gap.
1596         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1597         * arm.cc (Target_arm::arm_info): Update initializer.
1598         * i386.cc (Target_i386::i386_info): Likewise.
1599         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1600         * sparc.cc (Target_sparc::sparc_info): Likewise.
1601         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1602         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1603         * layout.cc (Layout::attach_allocated_section_to_segment):
1604         Take new const Target* argument.  If target->isolate_execinstr(), act
1605         like --rosegment.
1606         (Layout::find_first_load_seg): Take new const Target* argument;
1607         if target->isolate_execinstr(), reject PF_X segments.
1608         (Layout::relaxation_loop_body): Update caller.
1609         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1610         reset file offset to zero when we hit LOAD_SEG, and then do a second
1611         loop over the segments before LOAD_SEG to reassign offsets after
1612         addresses have been determined.  Handle target->rosegment_gap().
1613         (Layout::attach_section_to_segment): Take new const Target* argument;
1614         pass it to attach_allocated_section_to_segment.
1615         (Layout::make_output_section): Update caller.
1616         (Layout::attach_sections_to_segments): Take new const Target* argument;
1617         pass it to attach_section_to_segment.
1618         * gold.cc (queue_middle_tasks): Update caller.
1619         * layout.h (Layout): Update method decls with new arguments.
1620
1621         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1622         Target_info pointer to use.
1623         (Target_arm::do_make_data_plt): New virtual method.
1624         (Target_arm::make_data_plt): New method that calls it.
1625         (Target_arm::make_plt_entry): Use it.
1626         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1627         for the section alignment.
1628         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1629         method.
1630         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1631         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1632         method.
1633         (Output_data_plt_arm::get_plt_entry_size): Call it.
1634         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1635         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1636         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1637         method.
1638         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1639         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1640         method instead of sizeof(plt_entry).
1641         (Output_data_plt_arm::add_entry): Likewise.
1642         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1643         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1644         than static method.
1645         (Target_arm::plt_entry_size): Likewise.
1646         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1647         Move to ...
1648         (Output_data_plt_arm_standard): ... here, new class.
1649         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1650         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1651         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1652
1653         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1654         Take additional argument for the PLT entry size.
1655         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1656         Use get_plt_entry_size method rather than plt_entry_size variable.
1657         (Output_data_plt_x86_64::reserve_slot): Likewise.
1658         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1659         (Output_data_plt_x86_64::add_entry): Likewise.
1660         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1661         (Output_data_plt_x86_64::address_for_global): Likewise.
1662         (Output_data_plt_x86_64::address_for_local): Likewise.
1663         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1664         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1665         Make method non-static.
1666         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1667         method.
1668         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1669         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1670         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1671         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1672         virtual method.
1673         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1674         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1675         virtual method.
1676         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1677         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1678         virtual method.
1679         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1680         (Output_data_plt_x86_64::plt_entry_size)
1681         (Output_data_plt_x86_64::first_plt_entry)
1682         (Output_data_plt_x86_64::plt_entry)
1683         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1684         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1685         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1686         (Output_data_plt_x86_64_standard): ... here, new class.
1687         (Target_x86_64::Target_x86_64): Take optional argument for the
1688         Target_info pointer to use.
1689         (Target_x86_64::do_make_data_plt): New virtual method.
1690         (Target_x86_64::make_data_plt): New method to call it.
1691         (Target_x86_64::init_got_plt_for_update): Use that.
1692         Call this->plt_->add_eh_frame method here.
1693         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1694         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1695         rather than static method.
1696         (Target_x86_64::plt_entry_size): Likewise.
1697         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1698         rather than plt_entry_size variable.  Move guts of PLT filling to...
1699         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1700         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1701         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1702
1703         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1704         additional argument for the section alignment.
1705         Don't do add_eh_frame_for_plt here.
1706         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1707         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1708         variable.
1709         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1710         method.
1711         (Output_data_plt_i386::get_plt_entry_size): Call it.
1712         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1713         (Output_data_plt_i386::add_eh_frame): New method to call it.
1714         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1715         method.
1716         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1717         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1718         method.
1719         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1720         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1721         method instead of plt_entry_size.
1722         (Output_data_plt_i386::plt_entry_size)
1723         (Output_data_plt_i386::plt_eh_frame_fde_size)
1724         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1725         (Output_data_plt_i386_standard): ... here, new class.
1726         (Output_data_plt_i386_exec): New class.
1727         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1728         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1729         (Output_data_plt_i386::exec_plt_entry): Move to ...
1730         (Output_data_plt_i386_exec::plt_entry): ... here.
1731         (Output_data_plt_i386_dyn): New class.
1732         (Output_data_plt_i386::first_plt_entry): Move to ...
1733         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1734         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1735         (Output_data_plt_i386_dyn::plt_entry): ... here.
1736         (Target_i386::Target_i386): Take optional argument for the Target_info
1737         pointer to use.
1738         (Target_i386::do_make_data_plt): New virtual method.
1739         (Target_i386::make_data_plt): New method to call it.
1740         (Target_i386::make_plt_section): Use that.
1741         Call this->plt_->add_eh_frame method here.
1742         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1743         rather than plt_entry_size variable.
1744         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1745         (Output_data_plt_i386::address_for_local): Likewise.
1746         (Output_data_plt_i386::do_write): Likewise.
1747         Move guts of PLT filling to...
1748         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1749         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1750         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1751         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1752
1753 2012-05-01  Cary Coutant  <ccoutant@google.com>
1754
1755         * dwarf_reader.cc (Dwarf_die::read_attributes)
1756         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1757         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1758         * reduced_debug_output.cc
1759         (Output_reduced_debug_info_section::get_die_end): Remove
1760         DW_FORM_GNU_ref_index.  Add default case.
1761
1762 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1763
1764         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1765         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1766         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1767         DW_AT_high_pc as offset from DW_AT_low_pc.
1768
1769         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1770         * testsuite/Makefile.in: Regenerate.
1771         * testsuite/gdb_index_test_3.c: New test source file.
1772         * testsuite/gdb_index_test_3.sh: New test source file.
1773
1774 2012-04-25  Ian Lance Taylor  <iant@google.com>
1775
1776         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1777         pointer.
1778         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1779         as a class, not a struct.
1780         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1781         (Target_arm::apply_cortex_a8_workaround): Likewise.
1782         * gc.h: Declare Reloc_types as a struct, not a class.
1783         * object.h: Declare Symbols_data as a struct.
1784         * reloc.h: Declare Read_relocs_data as a struct.
1785         * target.h: Declare Relocate_info as a struct.
1786
1787 2012-04-24  David S. Miller  <davem@davemloft.net>
1788
1789         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1790         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1791         and R_SPARC_WPLT30.
1792
1793 2012-04-24  Cary Coutant  <ccoutant@google.com>
1794
1795         * incremental-dump.cc (find_input_containing_global): Replace
1796         magic number with symbolic constant.
1797         (dump_incremental_inputs): Update version number.
1798         * incremental.cc (Output_section_incremental_inputs): Update version
1799         number; import symbolic constants from Incremental_inputs_reader.
1800         (Incremental_inputs::create_data_sections): Align relocations
1801         section correctly for 64-bit targets.
1802         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1803         constants; add padding.
1804         (Output_section_incremental_inputs::write_header): Add assert for
1805         header_size.
1806         (Output_section_incremental_inputs::write_input_files): Add assert
1807         for input_entry_size.
1808         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1809         add assert for object_info_size, input_section_entry_size,
1810         global_sym_entry_size.
1811         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1812         for data structure sizes; use them.
1813         (Incremental_input_entry_reader): Import symbolic constants from
1814         Incremental_inputs_reader; use them.
1815
1816 2012-04-23  David S. Miller  <davem@davemloft.net>
1817
1818         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1819         and elf_flags_set_.
1820         (Target_sparc::Target_sparc): Initialize new fields.
1821         (Target_sparc::do_make_elf_object): New function.
1822         (Target_sparc::do_adjust_elf_header): New function.
1823
1824 2012-04-23  Cary Coutant  <ccoutant@google.com>
1825
1826         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1827         CU range table of gdb index.
1828
1829 2012-04-20  David S. Miller  <davem@davemloft.net>
1830
1831         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1832         instead of false.
1833
1834 2012-04-16  David S. Miller  <davem@davemloft.net>
1835
1836         * sparc.cc (Target_sparc::got_address): New function.
1837         (Sparc_relocate_functions::gdop_hix22): New function.
1838         (Sparc_relocate_functions::gdop_lox10): New function.
1839         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1840         relocs.
1841         (Target_sparc::Scan::local): Likewise if the global symbol is not
1842         preemptible and is not IFUNC.
1843         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1844         transformations for local and non-preemptible non-IFUNC global
1845         symbols.
1846
1847         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1848         writing out 64-bit part of ranges.
1849
1850         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1851         -fpic and -fpie respectively.
1852         * Makefile.in: Regenerate.
1853
1854         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1855         (Target_sparc::Target_sparc): Initialize new field.
1856         (Target_sparc::do_plt_section_for_global): New function.
1857         (Target_sparc::do_plt_section_for_local): New function.
1858         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1859         (Target_sparc::make_plt_section): New function, broken out of
1860         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1861         (Target_sparc::make_plt_entry): Call make_plt_section.
1862         (Target_sparc::make_local_ifunc_plt_entry): New function.
1863         (Target_sparc::rela_ifunc_section): New function.
1864         (Target_sparc::plt_section): Remove const.
1865         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1866         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1867         and ifunc_count_ fields.
1868         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1869         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1870         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1871         (Output_data_plt_sparc::rela_ifunc): New function.
1872         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1873         (Output_data_plt_sparc::has_ifunc_section): New function.
1874         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1875         (Output_data_plt_sparc::address_for_global): New function.
1876         (Output_data_plt_sparc::address_for_local): New function.
1877         (Output_data_plt_sparc::plt_index_to_offset): New function.
1878         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1879         and entry_count.
1880         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1881         entry_count.
1882         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1883         R_SPARC_JMP_IREL to switch.
1884         (Target_sparc::Scan::check_non_pic): Likewise.
1885         (Target_sparc::Scan::local): Handle IFUNC symbols.
1886         (Target_sparc::Scan::local): Likewise.
1887         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1888         and plt_address_for_local.
1889         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1890         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1891
1892         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1893         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1894         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1895         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1896         global relocs too.
1897         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1898         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1899         calls.
1900         * sparc.cc (Target_sparc::Scan::global): Likewise.
1901         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1902
1903 2012-04-16  Cary Coutant  <ccoutant@google.com>
1904
1905         * archive.cc (Library_base::should_include_member): Check for
1906         --export-dynamic-symbol.
1907         * options.h (class General_options): Add --export-dynamic-symbol.
1908         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1909         --export-dynamic-symbol.
1910         (Symbol_table::gc_mark_undef_symbols): Likewise.
1911         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1912
1913 2012-04-12  David S. Miller  <davem@davemloft.net>
1914
1915         * sparc.cc (Reloc::wdisp10): New relocation method.
1916         (Reloc::h34): Likewise.
1917         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1918         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1919         R_SPARC_WDISP10.
1920         (Target_sparc::Scan::local): Likewise.
1921         (Target_sparc::Scan::global): Likewise.
1922         (Target_sparc::Relocate::relocate): Likewise.
1923
1924 2012-04-09  Cary Coutant  <ccoutant@google.com>
1925
1926         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1927         low_pc == 0.
1928
1929 2012-04-06  Ian Lance Taylor  <iant@google.com>
1930
1931         * timer.cc: #include <unistd.h>.
1932
1933 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1934
1935         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1936         * config.in: Regenerate.
1937         * configure: Regenerate.
1938
1939 2012-04-05  Nick Clifton  <nickc@redhat.com>
1940
1941         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1942         (AM_LC_MESSAGES): Add.
1943         * aclocal.m4: Regenerate.
1944         * config.in: Regenerate.
1945         * configure: Regenerate.
1946
1947 2012-03-21  Cary Coutant  <ccoutant@google.com>
1948
1949         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1950         * Makefile.in: Regenerate.
1951         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1952         (Sized_elf_reloc_mapper::symbol_section): New function.
1953         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1954         (make_elf_reloc_mapper): New function.
1955         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1956         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1957         (Dwarf_abbrev_table::do_get_abbrev): New function.
1958         (Dwarf_ranges_table::read_ranges_table): New function.
1959         (Dwarf_ranges_table::read_range_list): New function.
1960         (Dwarf_pubnames_table::read_section): New function.
1961         (Dwarf_pubnames_table::read_header): New function.
1962         (Dwarf_pubnames_table::next_name): New function.
1963         (Dwarf_die::Dwarf_die): New function.
1964         (Dwarf_die::read_attributes): New function.
1965         (Dwarf_die::skip_attributes): New function.
1966         (Dwarf_die::set_name): New function.
1967         (Dwarf_die::set_linkage_name): New function.
1968         (Dwarf_die::attribute): New function.
1969         (Dwarf_die::string_attribute): New function.
1970         (Dwarf_die::int_attribute): New function.
1971         (Dwarf_die::uint_attribute): New function.
1972         (Dwarf_die::ref_attribute): New function.
1973         (Dwarf_die::child_offset): New function.
1974         (Dwarf_die::sibling_offset): New function.
1975         (Dwarf_info_reader::check_buffer): New function.
1976         (Dwarf_info_reader::parse): New function.
1977         (Dwarf_info_reader::do_parse): New function.
1978         (Dwarf_info_reader::do_read_string_table): New function.
1979         (Dwarf_info_reader::lookup_reloc): New function.
1980         (Dwarf_info_reader::get_string): New function.
1981         (Dwarf_info_reader::visit_compilation_unit): New function.
1982         (Dwarf_info_reader::visit_type_unit): New function.
1983         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1984         Sized_elf_reloc_mapper.
1985         (Sized_dwarf_line_info::symbol_section): Remove function.
1986         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1987         (Sized_dwarf_line_info::read_line_mappings): Remove object
1988         parameter, adjust callers.
1989         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1990         * dwarf_reader.h: Include <sys/types.h>.
1991         (class Track_relocs): Remove forward declaration.
1992         (class Elf_reloc_mapper): New class.
1993         (class Sized_elf_reloc_mapper): New class.
1994         (class Dwarf_abbrev_table): New class.
1995         (class Dwarf_range_list): New class.
1996         (class Dwarf_ranges_table): New class.
1997         (class Dwarf_pubnames_table): New class.
1998         (class Dwarf_die): New class.
1999         (class Dwarf_info_reader): New class.
2000         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2001         (Sized_dwarf_line_info::symbol_section): Remove member function.
2002         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2003         base class.
2004         * gdb-index.cc: New source file.
2005         * gdb-index.h: New source file.
2006         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2007         and .debug_types sections, call Layout::add_to_gdb_index.
2008         (Sized_relobj_incr::do_section_name): Implement.
2009         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2010         return type; Implement.
2011         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2012         return type.
2013         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2014         parameter list and return type.
2015         (Sized_incr_dynobj::do_section_contents): Likewise.
2016         * layout.cc: Include gdb-index.h.
2017         (Layout::Layout): Initialize gdb_index_data_.
2018         (Layout::init_fixed_output_section): Check for .gdb_index section.
2019         (Layout::add_to_gdb_index): New function. Instantiate.
2020         * layout.h: Add forward declaration for class Gdb_index.
2021         (Layout::add_to_gdb_index): New member function.
2022         (Layout::gdb_index_data_): New data member.
2023         * main.cc: Include gdb-index.h.
2024         (main): Print statistics for gdb index.
2025         * object.cc (Object::section_contents): Move code into
2026         do_section_contents.
2027         (need_decompressed_section): Check for sections needed when building
2028         gdb index.
2029         (build_compressed_section_map): Likewise.
2030         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2031         gdb index.
2032         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2033         sections; call Layout::add_to_gdb_index.
2034         (Sized_relobj_file::do_decompressed_section_contents): Call
2035         do_section_contents directly.
2036         * object.h (Object::do_section_contents): Adjust parameter list and
2037         return type.
2038         (Object::do_decompressed_section_contents): Call do_section_contents
2039         directly.
2040         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2041         return type.
2042         * options.h (class General_options): Add --gdb-index option.
2043         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2044         list and return type.
2045         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2046         * reloc.h (Track_relocs::checkpoint): New function.
2047         (Track_relocs::reset): New function.
2048
2049         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2050         New test cases.
2051         * testsuite/Makefile.in: Regenerate.
2052         * testsuite/gdb_index_test.cc: New test source file.
2053         * testsuite/gdb_index_test_1.sh: New test source file.
2054         * testsuite/gdb_index_test_2.sh: New test source file.
2055
2056 2012-03-19  Doug Kwan  <dougkwan@google.com>
2057
2058         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2059         (Target_arm::do_finalize_sections): Remove code which defines
2060         __exidx_start and __exidx_end.  Make symbol table parameter
2061         anonymous as it is not used.
2062         * gold.cc (queue_middle_tasks): Call target hook to define any
2063         target-specific symbols.
2064         * target.h (Target::define_standard_symbols): New method.
2065         (Target::do_define_standard_symbols): Same.
2066         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2067         * testsuite/Makefile.in: Regenerate.
2068         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2069         and __exidx_end.
2070         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2071         relocations are generated for __exidx_start and __exidx_end.
2072
2073 2012-03-16  Doug Kwan  <dougkwan@google.com>
2074
2075         * testsuite/Makefile.am: Disable test initpri3b.
2076         * testsuite/Makefile.in: Regenerate.
2077
2078 2012-03-15  Doug Kwan  <dougkwan@google.com>
2079
2080         * arm.cc (Target_arm::got_section): Make .got section read-only
2081         if -z now is given.
2082
2083 2012-03-15  Ian Lance Taylor  <iant@google.com>
2084
2085         PR gold/13850
2086         * layout.cc (Layout::make_output_section): Correctly mark
2087         SHT_INIT_ARRAY, et. al., as relro.
2088
2089 2012-03-14  Doug Kwan  <dougkwan@google.com>
2090
2091         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2092         dynamic relocations for protected symbols in shared objects.
2093
2094 2012-03-13  Ian Lance Taylor  <iant@google.com>
2095
2096         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2097         keep the larger alignment.
2098
2099 2012-03-12  Cary Coutant  <ccoutant@google.com>
2100
2101         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2102         handling of DW_LNE_define_file.
2103
2104 2012-03-12  Cary Coutant  <ccoutant@google.com>
2105
2106         * reduced_debug_output.cc
2107         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2108         codes to switch.
2109
2110 2012-02-29  Cary Coutant  <ccoutant@google.com>
2111
2112         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2113
2114 2012-02-29  Cary Coutant  <ccoutant@google.com>
2115
2116         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2117         Call Object::decompressed_section_contents.
2118         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2119         New dtor.
2120         (Sized_dwarf_line_info::buffer_start_): New data member.
2121         * merge.cc (Output_merge_data::do_add_input_section): Call
2122         Object::decompressed_section_contents.
2123         (Output_merge_string::do_add_input_section): Likewise.
2124         * object.cc (need_decompressed_section): New function.
2125         (build_compressed_section_map): Decompress sections needed later.
2126         (Sized_relobj_file::do_decompressed_section_contents): New function.
2127         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2128         * object.h (Object::decompressed_section_contents): New function.
2129         (Object::discard_decompressed_sections): New function.
2130         (Object::do_decompressed_section_contents): New function.
2131         (Object::do_discard_decompressed_sections): New function.
2132         (Compressed_section_info): New type.
2133         (Compressed_section_map): Include decompressed section contents.
2134         (Sized_relobj_file::do_decompressed_section_contents): New function.
2135         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2136
2137 2012-02-16  Cary Coutant  <ccoutant@google.com>
2138
2139         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2140         * testsuite/Makefile.in: Regenerate.
2141
2142 2012-02-14  Cary Coutant  <ccoutant@google.com>
2143
2144         * options.cc (General_options::finalize): Disallow -pie and -static.
2145
2146 2012-02-03  Doug Kwan  <dougkwan@google.com>
2147
2148         * arm.cc (Arm_relocate_functions::abs8,
2149         Arm_relocate_functions::abs16): Use
2150         Bits::has_signed_unsigned_overflow32.
2151         (Arm_relocate_functions::thm_abs8): Correct range of
2152         overflow check.
2153         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2154         in assertions.
2155
2156 2012-02-02  Doug Kwan  <dougkwan@google.com>
2157
2158         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2159         position independent outputs, not just shared objects.
2160
2161 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2162
2163         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2164         * configure: Regenerated.
2165
2166 2012-01-27  Ian Lance Taylor  <iant@google.com>
2167
2168         * reloc.h (Bits): New class with static functions, copied from
2169         namespace utils in arm.cc.
2170         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2171         instead.
2172
2173 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2174
2175         * incremental.cc (write_info_blocks): Correct relocation offset.
2176
2177 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2178
2179         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2180         (Relocate::tls_gd_to_le): Likewise.
2181
2182 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2183
2184         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2185
2186 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2187
2188         * configure.ac: Check if -mcmodel=medium works.
2189         * configure: Regenerated.
2190
2191 2012-01-24  Cary Coutant  <ccoutant@google.com>
2192
2193         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2194         definition and ...
2195         (read_unsigned_LEB_128_x): ... this new function.
2196         (read_signed_LEB_128): Replaced with inline definition and ...
2197         (read_signed_LEB_128_x): ... this new function.
2198         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2199         (read_unsigned_LEB_128): Add inline definition.
2200         (read_signed_LEB_128_x): New function.
2201         (read_signed_LEB_128): Add inline definition.
2202         * testsuite/Makefile.am (leb128_unittest): New unit test.
2203         * testsuite/Makefile.in: Regenerate.
2204         * testsuite/leb128_unittest.cc: New unit test.
2205
2206 2012-01-23  Ian Lance Taylor  <iant@google.com>
2207
2208         PR gold/13617
2209         * i386.cc (Target_i386::do_code_fill): When using a jmp
2210         instruction, pad with nop instructions.
2211         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2212
2213 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2214
2215         * x86_64.cc (gc_process_relocs): Add typename on types used in
2216         template.
2217         (scan_relocs): Likewise.
2218         (relocate_section): Likewise.
2219         (apply_relocation): Likewise.
2220
2221 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2222
2223         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2224         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2225         under x32.
2226
2227 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2228
2229         * x86_64.cc: Initial support for x32.
2230
2231 2012-01-03  Cary Coutant  <ccoutant@google.com>
2232
2233         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
2234         Use abstract base class for GOT.
2235         * gold/output.h (class Output_data_got_base): New abstract base class.
2236         (class Output_data_got): Derive from new base class, adjust ctors.
2237         (Output_data_got::reserve_slot): Make virtual; rename to
2238         do_reserve_slot; Adjust callers.
2239         * gold/target.h (Sized_target::init_got_plt_for_update): Return
2240         pointer to abstract base class.
2241         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
2242
2243 2011-12-18  Ian Lance Taylor  <iant@google.com>
2244
2245         * object.h (Relobj::local_symbol_value): New function.
2246         (Relobj::local_plt_offset): New function.
2247         (Relobj::local_has_got_offset): New function.
2248         (Relobj::local_got_offset): New function.
2249         (Relobj::set_local_got_offset): New function.
2250         (Relobj::do_local_symbol_value): New pure virtual function.
2251         (Relobj::do_local_plt_offset): Likewise.
2252         (Relobj::do_local_has_got_offset): Likewise.
2253         (Relobj::do_local_got_offset): Likewise.
2254         (Relobj::do_set_local_got_offset): Likewise.
2255         (Sized_relobj::do_local_has_got_offset): Rename from
2256         local_has_got_offset.
2257         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2258         (Sized_relobj::do_set_local_got_offset): Rename from
2259         set_local_got_offset.
2260         (Sized_relobj_file::do_local_plt_offset): Rename from
2261         local_plt_offset.
2262         (Sized_relobj_file::do_local_symbol_value): New function.
2263         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2264         local_plt_offset.
2265         * output.cc (Output_data_got::Got_entry::write): Change object to
2266         Relobj.  Use local_symbol_value.
2267         (Output_data_got::add_global_with_rel): Change rel_dyn to
2268         Output_data_reloc_generic*.  Use add_global_generic.
2269         (Output_data_got::add_global_with_rela): Remove.  Change all
2270         callers to use add_global_with_rel.
2271         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2272         Output_data_reloc_generic*.  Use add_global_generic.
2273         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2274         callers to use add_global_pair_with_rel.
2275         (Output_data_got::add_local): Change object to Relobj*.
2276         (Output_data_got::add_local_plt): Likewise.
2277         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2278         change rel_dyn to Output_data_reloc_generic*.  Use
2279         add_local_generic.
2280         (Output_data_got::add_local_with_rela): Remove.  Change all
2281         callers to use all_local_with_rel.
2282         (Output_data_got::add_local_pair_with_rel): Change object to
2283         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2284         add_output_section_generic.
2285         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2286         callers to use add_local_pair_with_rel.
2287         (Output_data_got::reserve_local): Change object to Relobj*.
2288         * output.h: (class Output_data_reloc_generic): Add pure virtual
2289         declarations for add_global_generic, add_local_generic,
2290         add_output_section_generic.
2291         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2292         functions for Output_data_reloc_generic.  Update declarations for
2293         changes listed in output.cc.
2294         (class Output_data_got): Change template parameter to got_size.
2295         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2296         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2297         function.
2298         (Sized_relobj_incr::do_local_plt_offset): New function.
2299         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2300         add_global_generic.
2301
2302 2011-12-17  Cary Coutant  <ccoutant@google.com>
2303
2304         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2305         * resolve.cc (Symbol_table::resolve): Likewise.
2306         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2307         arrays.
2308         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2309
2310 2011-12-16  Ian Lance Taylor  <iant@google.com>
2311
2312         * output.h (Output_data_reloc_generic::add): Only call
2313         add_dynamic_reloc if this is a dynamic reloc section.
2314
2315 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2316
2317         PR gold/13505
2318         * target-reloc.h (apply_relocation): Replace <64, false> with
2319         <size, big_endian>.
2320
2321 2011-11-25  Nick Clifton  <nickc@redhat.com>
2322
2323         * po/it.po: New Italian translation.
2324
2325 2011-11-17  Sterling Augustine  <saugustine@google.com>
2326
2327         * script.cc (script_include_directive): Implement.
2328         (read_script_file): New local variables name and search_path. Update
2329         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2330         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2331         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2332
2333 2011-11-11  Sterling Augustine  <saugustine@google.com>
2334
2335         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2336         (file_or_sections_cmd): Likewise.
2337
2338 2011-11-11  Doug Kwan  <dougkwan@google.com>
2339
2340         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2341         if --just-symbols is given.
2342
2343 2011-11-10  Doug Kwan  <dougkwan@google.com>
2344
2345         PR gold/13362
2346         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2347         when processing data relocs.
2348         * reloc.h (Relocate_functions::rel_unaligned): New method.
2349         (Relocate_functions::pcrel_unaligned): Ditto.
2350         (Relocate_functions::rel32_unaligned): Ditto.
2351         (Relocate_functions::pcrel32_unaligned): Ditto.
2352
2353 2011-11-09  Doug Kwan  <dougkwan@google.com>
2354
2355         PR gold/13362
2356         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2357         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2358         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2359         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2360         (Relocate_functions::rel_unaligned): New.
2361         (Relocate_functions::rel32_unaligned): New.
2362         * target-reloc.h (relocate_for_relocatable): Add code to handle
2363         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2364         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2365         arm_unaligned_reloc_r): New targets.
2366         * testsuite/Makefile.in: Regenerate.
2367         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2368         linking.
2369
2370 2011-11-02  Ian Lance Taylor  <iant@google.com>
2371
2372         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2373         NATIVE_LINKER.
2374         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2375         * options.cc (General_options::finalize): Use library search path
2376         from configure script if specified.  If not native and no sysroot,
2377         only search TOOLLIBDIR.
2378         * options.h (Search_directory::Search_directory): Change name to
2379         const std::string&.
2380         (General_options::add_to_library_path_with_sysroot): Change arg to
2381         const std::string&.
2382         * configure, Makefile.in, config.in: Rebuild.
2383
2384 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2385
2386         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2387         we are working around the ARM1176 Erratum.
2388         * options.h (General_options::fix_arm1176): Add option.
2389         * testsuite/Makefile.am: Add testcases, and keep current ones
2390         working.
2391         * testsuite/Makefile.in: Regenerate.
2392         * testsuite/arm_fix_1176.s: New file.
2393         * testsuite/arm_fix_1176.sh: Likewise.
2394
2395 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2396
2397         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2398         may_use_blx_.
2399         (Target_arm::may_use_blx): Remove method.
2400         (Target_arm::set_may_use_blx): Likewise.
2401         (Target_arm::may_use_v4t_interworking): New method.
2402         (Target_arm::may_use_v5t_interworking): Likewise.
2403         (Target_arm::may_use_blx_): Remove member variable.
2404         (Arm_relocate_functions::arm_branch_common): Check for v5T
2405         interworking.
2406         (Arm_relocate_functions::thumb_branch_common): Likewise.
2407         (Reloc_stub::stub_type_for_reloc): Likewise.
2408         (Target_arm::do_finalize_sections): Correct interworking checks.
2409         * testsuite/Makefile.am: Add new tests.
2410         * testsuite/Makefile.in: Regenerate.
2411         * testsuite/arm_farcall_arm_arm.s: New test.
2412         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2413         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2414         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2415         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2416         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2417         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2418         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2419
2420 2011-10-31  Cary Coutant  <ccoutant@google.com>
2421
2422         PR gold/13023
2423         * expression.cc (Expression::eval_with_dot): Add
2424         is_section_dot_assignment parameter.
2425         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2426         absolute and assigning to dot within a section.
2427         * script-sections.cc
2428         (Output_section_element_assignment::set_section_addresses): Pass
2429         dot_section to set_if_absolute.
2430         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2431         as is_section_dot_assignment flag to eval_with_dot.
2432         (Output_section_element_dot_assignment::set_section_addresses):
2433         Likewise.
2434         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2435         parameter.  Also set value if relative to dot_section; set the
2436         symbol's output_section.
2437         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2438         parameter.  Adjust all callers.
2439         (Expression::eval_maybe_dot): Likewise.
2440         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2441         Adjust all callers.
2442         * testsuite/script_test_2.t: Test assignment of an absolute value
2443         to dot within an output section element.
2444
2445 2011-10-31  Cary Coutant  <ccoutant@google.com>
2446
2447         * options.h (class General_options): Add --[no-]gnu-unique options.
2448         * symtab.cc (Symbol_table::sized_write_globals): Convert
2449         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2450
2451 2011-10-31  Cary Coutant  <ccoutant@google.com>
2452
2453         PR gold/13359
2454         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2455         unnecessary assertion.
2456         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2457
2458 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2459
2460         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2461         gc_mark_symbol.
2462         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2463         gc_mark_symbol.
2464         Change to just keep the section associated with symbol.
2465         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2466         they are externally visible and --export-dynamic is turned on.
2467         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2468
2469 2011-10-19  Ian Lance Taylor  <iant@google.com>
2470
2471         PR gold/13163
2472         * script-sections.cc
2473         (Output_section_element_dot_assignment::needs_output_section): New
2474         function.
2475
2476 2011-10-19  Ian Lance Taylor  <iant@google.com>
2477
2478         PR gold/13204
2479         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2480         --section-start option was seen.
2481         * options.h (General_options::any_section_start): New function.
2482
2483 2011-10-18  David S. Miller  <davem@davemloft.net>
2484
2485         PR binutils/13301
2486         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2487         member to track relocation locations that have moved during TLS
2488         reloc optimizations.
2489         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2490         (Target_sparc::Relocate::relocate): Adjust view down by 4
2491         bytes if it matches reloc_adjust_addr_.
2492         (Target_sparc::Relocate::relocate_tls): Always move the
2493         __tls_get_addr call delay slot instruction forward 4 bytes when
2494         performing relaxation.
2495
2496 2011-10-18  Cary Coutant  <ccoutant@google.com>
2497
2498         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2499         (Output_file::map_no_anonymous): Check for non-zero
2500         return code from posix_fallocate.
2501
2502 2011-10-17  Cary Coutant  <ccoutant@google.com>
2503
2504         PR gold/13245
2505         * plugin.cc (is_visible_from_outside): Check for symbols
2506         referenced from dynamic objects.
2507         * resolve.cc (Symbol_table::resolve): Don't count references
2508         from dynamic objects as references from real ELF files.
2509         * testsuite/plugin_test_2.sh: Adjust expected result.
2510
2511 2011-10-17  Cary Coutant  <ccoutant@google.com>
2512
2513         * gold.cc: Include timer.h.
2514         (queue_middle_tasks): Stamp time.
2515         (queue_final_tasks): Likewise.
2516         * main.cc (main): Store timer in parameters.  Print timers
2517         for each pass.
2518         * parameters.cc (Parameters::Parameters): Initialize timer_.
2519         (Parameters::set_timer): New function.
2520         (set_parameters_timer): New function.
2521         * parameters.h (Parameters::set_timer): New function.
2522         (Parameters::timer): New function.
2523         (Parameters::timer_): New data member.
2524         (set_parameters_timer): New function.
2525         * timer.cc (Timer::stamp): New function.
2526         (Timer::get_pass_time): New function.
2527         * timer.h (Timer::stamp): New function.
2528         (Timer::get_pass_time): New function.
2529         (Timer::pass_times_): New data member.
2530
2531 2011-10-17  Cary Coutant  <ccoutant@google.com>
2532
2533         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2534         task for members of lib groups.
2535
2536 2011-10-17  Cary Coutant  <ccoutant@google.com>
2537
2538         PR gold/13288
2539         * fileread.cc (File_read::find_view): Add assert.
2540         (File_read::make_view): Move bounds check (replace with assert)...
2541         (File_read::find_or_make_view): ... to here.
2542
2543 2011-10-12  Cary Coutant  <ccoutant@google.com>
2544
2545         * output.cc (Output_file::open_base_file): Handle case where
2546         ::read returns less than requested size.
2547
2548 2011-10-10  Cary Coutant  <ccoutant@google.com>
2549
2550         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2551         Initialize defined_count_.
2552         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2553         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2554         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2555         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2556         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2557         * incremental.h (Sized_relobj_incr::defined_count_): New data
2558         member.
2559         (Sized_incr_dynobj::defined_count_): New data member.
2560         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2561         Return zeroes instead of internal error.
2562
2563 2011-10-10  Cary Coutant  <ccoutant@google.com>
2564
2565         PR gold/13249
2566         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2567         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2568         * output.h (class Output_reloc): Add use_plt_offset flag.
2569         (Output_reloc::type_): Adjust size of bit field.
2570         (Output_reloc::use_plt_offset_): New bit field.
2571         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2572         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2573         flag.  Adjust all callers.
2574         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2575         creating RELATIVE relocations.
2576
2577 2011-10-10  Nick Clifton  <nickc@redhat.com>
2578
2579         * po/es.po: Updated Spanish translation.
2580         * po/fi.po: Updated Finnish translation.
2581
2582 2011-10-03   Diego Novillo  <dnovillo@google.com>
2583
2584         * options.cc (parse_uint): Fix dereference of RETVAL.
2585
2586 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2587
2588         * layout.h (section_order_map_): New member.
2589         (get_section_order_map): New member function.
2590         * output.cc (Output_section::add_input_section): Check for patterns
2591         only when --section-ordering-file is specified.
2592         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2593         output_sections have been formed.
2594         * layout.cc (Layout_Layout): Initialize section_order_map_.
2595         * plugin.cc (update_section_order): Store order in order_map. Do not
2596         update the order.
2597         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2598         * testsuite/Makefile.in: Regenerate.
2599         * testsuite/plugin_section_order.c: New file.
2600         * testsuite/plugin_final_layout.cc: New file.
2601         * testsuite/plugin_final_layout.sh: New file.
2602
2603 2011-09-29  Cary Coutant  <ccoutant@google.com>
2604
2605         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2606         Check for NULL.
2607         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2608         symbols during incremental update.
2609         (Symbol_table::add_from_dynobj): Likewise.
2610
2611 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2612             Ian Lance Taylor  <iant@google.com>
2613
2614         * symtab.cc (Symbol_table::define_special_symbol): Always
2615         canonicalize version string.
2616
2617 2011-09-26  Cary Coutant  <ccoutant@google.com>
2618
2619         * gold.cc (queue_initial_tasks): Move option checks ...
2620         * options.cc (General_options::finalize): ... to here. Disable
2621         some options; make others fatal.
2622
2623 2011-09-26  Cary Coutant  <ccoutant@google.com>
2624
2625         gcc PR lto/47247
2626         * plugin.cc (get_symbols_v2): New function.
2627         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2628         (is_referenced_from_outside): New function.
2629         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2630         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2631         (get_symbols): Pass version parameter.
2632         (get_symbols_v2): New function.
2633         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2634         parameter.
2635         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2636         (onload): Add LDPT_GET_SYMBOLS_V2.
2637         (all_symbols_read_hook): Use get_symbols_v2; check for
2638         LDPR_PREVAILING_DEF_IRONLY_EXP.
2639         * testsuite/plugin_test_3.sh: Update expected results.
2640
2641 2011-09-23  Simon Baldwin  <simonb@google.com>
2642
2643         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2644         configuration options.
2645         * configure: Regenerate.
2646         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2647         * Makefile.in: Regenerate.
2648         * testsuite/Makefile.in: Regenerate.
2649
2650 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2651
2652         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2653
2654 2011-09-19  Cary Coutant  <ccoutant@google.com>
2655
2656         * incremental.cc (can_incremental_update): Fix typo in comment.
2657         * incremental.h (can_incremental_update): Likewise.
2658
2659 2011-09-18  Cary Coutant  <ccoutant@google.com>
2660
2661         * incremental.cc (can_incremental_update): New function.
2662         * incremental.h (can_incremental_update): New function.
2663         * layout.cc (Layout::init_fixed_output_section): Call it.
2664         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2665         * object.cc (Sized_relobj_file::do_layout): Call
2666         can_incremental_update.
2667
2668 2011-09-13  Cary Coutant  <ccoutant@google.com>
2669
2670         * configure.ac: Check for glibc support for gnu_indirect_function
2671         support with static linking, setting automake conditional
2672         IFUNC_STATIC.
2673         * Makefile.in: Regenerate.
2674         * configure: Regenerate.
2675
2676         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2677         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2678         for IFUNC_STATIC.
2679         * testsuite/Makefile.in: Regenerate.
2680
2681 2011-09-13  Cary Coutant  <ccoutant@google.com>
2682
2683         * incremental.cc (Sized_relobj_incr::do_layout): Call
2684         report_comdat_group for kept comdat sections.
2685         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2686         * testsuite/Makefile.in: Regenerate.
2687         * testsuite/incr_comdat_test_1.cc: New source file.
2688         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2689         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2690         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2691
2692 2011-09-13  Ian Lance Taylor  <iant@google.com>
2693
2694         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2695         variable external_symbols_offset.
2696
2697 2011-09-12  Ian Lance Taylor  <iant@google.com>
2698
2699         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2700         triggered if object has no symbols.
2701
2702 2011-09-09  David S. Miller  <davem@davemloft.net>
2703
2704         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2705         (Output_fill_debug_line::do_write): Likewise.
2706
2707 2011-08-29  Cary Coutant  <ccoutant@google.com>
2708
2709         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2710         casts to match formatting specs.
2711         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2712
2713 2011-08-26  Cary Coutant  <ccoutant@google.com>
2714
2715         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2716         remaining hole size when allocating.
2717         (Layout::make_output_section): Set fill methods for debug sections.
2718         * layout.h (Free_list::Free_list_node): Move from private to
2719         public.
2720         (Free_list::set_min_hole_size): New function.
2721         (Free_list::begin, Free_list::end): New functions.
2722         (Free_list::min_hole_): New data member.
2723         * output.cc: Include dwarf.h.
2724         (Output_fill_debug_info::do_minimum_hole_size): New function.
2725         (Output_fill_debug_info::do_write): New function.
2726         (Output_fill_debug_line::do_minimum_hole_size): New function.
2727         (Output_fill_debug_line::do_write): New function.
2728         (Output_section::Output_section): Initialize new data member.
2729         (Output_section::set_final_data_size): Ensure patch space is larger
2730         than minimum hole size.
2731         (Output_section::do_write): Fill holes in debug sections.
2732         * output.h (Output_fill): New class.
2733         (Output_fill_debug_info): New class.
2734         (Output_fill_debug_line): New class.
2735         (Output_section::set_free_space_fill): New function.
2736         (Output_section::free_space_fill_): New data member.
2737         * testsuite/Makefile.am (incremental_test_3): Add
2738         --incremental-patch option.
2739         (incremental_test_4): Likewise.
2740         (incremental_test_5): Likewise.
2741         (incremental_test_6): Likewise.
2742         (incremental_copy_test): Likewise.
2743         (incremental_common_test_1): Likewise.
2744         * testsuite/Makefile.in: Regenerate.
2745
2746 2011-08-26  Nick Clifton  <nickc@redhat.com>
2747
2748         * po/es.po: Updated Spanish translation.
2749
2750 2011-08-01  Cary Coutant  <ccoutant@google.com>
2751
2752         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2753         * gold/testsuite/Makefile.in: Regenerate.
2754         * gold/testsuite/justsyms_exec.c: New source file.
2755         * gold/testsuite/justsyms_lib.c: New source file.
2756
2757 2011-08-01  Cary Coutant  <ccoutant@google.com>
2758
2759         * layout.cc (Layout::set_segment_offsets): Don't realign text
2760         segment if -Ttext was specified.
2761         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2762         file type.
2763         * object.h (Sized_relobj_file::e_type): New function.
2764         (Sized_relobj_file::e_type_): New data member.
2765         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2766         base address for ET_EXEC files.
2767         * target.cc (Target::do_make_elf_object_implementation): Allow
2768         ET_EXEC files with --just-symbols option.
2769
2770 2011-07-28  Cary Coutant  <ccoutant@google.com>
2771
2772         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2773         Add thread_number parameter.
2774         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2775         * workqueue-threads.cc
2776         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2777         current thread if its thread number is greater than desired thread
2778         count.
2779         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2780         Add thread_number parameter.
2781         (Workqueue::should_cancel_thread): Likewise.
2782         (Workqueue::find_runnable_or_wait): Pass thread_number to
2783         should_cancel_thread.
2784         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2785         parameter.
2786
2787 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2788
2789         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2790         only after checking if it cannot be forced local.
2791         * symtab.h (is_externally_visible): Check if the symbol is not forced
2792         local.
2793
2794 2011-07-15  Ian Lance Taylor  <iant@google.com>
2795
2796         * options.h (class General_options): Add --print-output-format.
2797         Move -EL next to -EB, for  better --help output.
2798         * target-select.cc: Include <cstdio>, "options.h", and
2799         "parameters.h".
2800         (Target_selector::do_target_bfd_name): New function.
2801         (print_output_format): New function.
2802         * target-select.h (class Target_selector): Update declarations.
2803         (Target_selector::target_bfd_name): New function.
2804         (print_output_format): Declare.
2805         * main.cc: Include "target-select.h".
2806         (main): Handle --print-output-format.
2807         * gold.cc: Include "target-select.h".
2808         (queue_initial_tasks): Handle --print-output-format when there are
2809         no input files.
2810         * parameters.cc (parameters_force_valid_target): Give a better
2811         error message if -EB/-EL does not match target.
2812         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2813         function.
2814
2815 2011-07-15  Ian Lance Taylor  <iant@google.com>
2816
2817         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2818         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2819         (Output_data_plt_i386::do_write): Write address of .dynamic
2820         section to first entry in .got.plt section.
2821         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2822         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2823         Initialize layout_.
2824         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2825         section to first entry in .got.plt section.
2826         * layout.h (Layout::dynamic_section): New function.
2827
2828 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2829
2830         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2831         to claim_file call.
2832         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2833         input_section_position_, and input_section_glob_.
2834         (read_layout_from_file): Call function section_ordering_specified.
2835         * layout.h (is_section_ordering_specified): New function.
2836         (section_ordering_specified): New function.
2837         (section_ordering_specified_): New boolean member.
2838         * main.cc(main): Call load_plugins after layout object is defined.
2839         * output.cc (Output_section::add_input_section): Use
2840         function section_ordering_specified to check if section ordering is
2841         needed.
2842         * output.cc (Output_section::add_relaxed_input_section): Use
2843         function section_ordering_specified to check if section ordering is
2844         needed.
2845         (Output_section::update_section_layout): New function.
2846         (Output_section::sort_attached_input_sections): Check if input section
2847         must be reordered.
2848         * output.h (Output_section::update_section_layout): New function.
2849         * plugin.cc (get_section_count): New function.
2850         (get_section_type): New function.
2851         (get_section_name): New function.
2852         (get_section_contents): New function.
2853         (update_section_order): New function.
2854         (allow_section_ordering): New function.
2855         (Plugin::load): Add the new interfaces to the transfer vector.
2856         (Plugin_manager::load_plugins): New parameter.
2857         (Plugin_manager::all_symbols_read): New parameter.
2858         (Plugin_manager::claim_file): New parameter. Save the elf object for
2859         unclaimed objects.
2860         (Plugin_manager::get_elf_object): New function.
2861         (Plugin_manager::get_view): Change to directly use the bool to check
2862         if get_view is called from claim_file_hook.
2863         * plugin.h (input_objects): New function
2864         (Plugin__manager::load_plugins): New parameter.
2865         (Plugin_manager::claim_file): New parameter.
2866         (Plugin_manager::get_elf_object): New function.
2867         (Plugin_manager::in_claim_file_handler): New function.
2868         (Plugin_manager::in_claim_file_handler_): New member.
2869         (layout): New function.
2870         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2871         handler with an extra parameter. Make the elf object before calling
2872         claim_file handler.
2873         * testsuite/plugin_test.c (get_section_count): New function pointer.
2874         (get_section_type): New function pointer.
2875         (get_section_name): New function pointer.
2876         (get_section_contents): New function pointer.
2877         (update_section_order): New function pointer.
2878         (allow_section_ordering): New function pointer.
2879         (onload): Check if the new interfaces exist.
2880
2881 2011-07-13  Ian Lance Taylor  <iant@google.com>
2882
2883         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2884         relro section.
2885         * x86_64.cc (Target_x86_64::got_section): Likewise.
2886         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2887         (relro_now_test_SOURCES): New variable.
2888         (relro_now_test_DEPENDENCIES): New variable.
2889         (relro_now_test_LDFLAGS): New variable.
2890         (relro_now_test_LDADD): New variable.
2891         (relro_now_test.so): New target.
2892         * testsuite/Makefile.in: Rebuild.
2893
2894 2011-07-12  Ian Lance Taylor  <iant@google.com>
2895
2896         PR gold/12980
2897         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2898         GLOB_DAT relocation rather than a RELATIVE relocation for a
2899         protected symbol when creating a shared library.
2900         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2901         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2902         * testsuite/protected_main_1.cc (main): Test that protected
2903         function has same address.
2904
2905 2011-07-11  Ian Lance Taylor  <iant@google.com>
2906
2907         PR gold/12979
2908         * options.h (class General_options): Add -Bgroup.
2909         * options.cc (General_options::finalize): If -Bgroup is set,
2910         default to --unresolved-symbols=report-all.
2911         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2912         * target-reloc.h (issue_undefined_symbol_error): Handle
2913         --unresolved-symbols=report-all.
2914
2915 2011-07-08  Ian Lance Taylor  <iant@google.com>
2916
2917         PR gold/11985
2918         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2919         if linker script discards key sections.
2920         (Layout::create_dynamic_symtab): Likewise.
2921         (Layout::assign_local_dynsym_offsets): Likewise.
2922         (Layout::sized_create_version_sections): Likewise.
2923         (Layout::create_interp): Likewise.
2924         (Layout::finish_dynamic_section): Likewise.
2925         (Layout::set_dynamic_symbol_size): Likewise.
2926
2927 2011-07-08  Ian Lance Taylor  <iant@google.com>
2928
2929         PR gold/12386
2930         * options.h (class General_options): Add --unresolved-symbols.
2931         * target-reloc.h (issue_undefined_symbol_error): Check
2932         --unresolved-symbols.  Add comments.
2933
2934 2011-07-08  Ian Lance Taylor  <iant@google.com>
2935
2936         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2937         expression more complex.
2938
2939 2011-07-08  Ian Lance Taylor  <iant@google.com>
2940
2941         PR gold/11317
2942         * target-reloc.h (issue_undefined_symbol_error): New inline
2943         function, broken out of relocate_section.
2944         (relocate_section): Call issue_undefined_symbol_error.
2945         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2946         there is no TLS segment if we are about to issue an undefined
2947         symbol error.
2948         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2949
2950 2011-07-08  Ian Lance Taylor  <iant@google.com>
2951
2952         PR gold/12279
2953         * resolve.cc (Symbol_table::should_override): Add fromtype
2954         parameter.  Change all callers.  Give error when linking together
2955         TLS and non-TLS symbol.
2956         (Symbol_table::should_override_with_special): Add fromtype
2957         parameter.  Change all callers.
2958         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2959         there is no TLS segment if we have reported some errors.
2960         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2961
2962 2011-07-08  Ian Lance Taylor  <iant@google.com>
2963
2964         PR gold/12372
2965         * target.h (Target::plt_address_for_global): New function.
2966         (Target::plt_address_for_local): New function.
2967         (Target::plt_section_for_global): Remove.
2968         (Target::plt_section_for_local): Remove.
2969         (Target::do_plt_address_for_global): New virtual function.
2970         (Target::do_plt_address_for_local): New virtual function.
2971         (Target::do_plt_section_for_global): Remove.
2972         (Target::do_plt_section_for_local): Remove.
2973         (Target::register_global_plt_entry): Add Symbol_table and Layout
2974         parameters.
2975         * output.cc (Output_data_got::Got_entry::write): Use
2976         plt_address_for_global and plt_address_for_local.
2977         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2978         address of output section.
2979         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2980         got_irelative_, and irelative_count_ fields.  Update
2981         declarations.
2982         (Output_data_plt_i386::has_irelative_section): New function.
2983         (Output_data_plt_i386::entry_count): Add irelative_count_.
2984         (Output_data_plt_i386::set_final_data_size): Likewise.
2985         (class Target_i386): Add got_irelative_ and rel_irelative_
2986         fields.  Update declarations.
2987         (Target_i386::Target_i386): Initialize new fields.
2988         (Target_i386::do_plt_address_for_global): New function replacing
2989         do_plt_section_for_global.
2990         (Target_i386::do_plt_address_for_local): New function replacing
2991         do_plt_section_for_local.
2992         (Target_i386::got_section): Create got_irelative_.
2993         (Target_i386::rel_irelative_section): New function.
2994         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2995         fields.  Don't define __rel_iplt_{start,end}.
2996         (Output_data_plt_i386::add_entry): Add symtab and layout
2997         parameters.  Change all callers.  Use different PLT and GOT for
2998         IFUNC symbols.
2999         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3000         layout parameters.  Change all callers.  Use different PLT and
3001         GOT.
3002         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3003         (Output_data_plt_i386::rel_irelative): New function.
3004         (Output_data_plt_i386::address_for_global): New function.
3005         (Output_data_plt_i386::address_for_local): New function.
3006         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3007         IRELATIVE GOT when changing IFUNC GOT entries.
3008         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3009         reloc.
3010         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3011         if we didn't create an IRELATIVE GOT.
3012         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3013         plt_address_for_local.
3014         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3015         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3016         got_irelative_, and irelative_count_ fields.  Update
3017         declarations.
3018         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3019         Initialize new fields.  Remove symtab parameter.  Change all
3020         callers.
3021         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3022         irelative_count_.
3023         (Output_data_plt_x86_64::has_irelative_section): New function.
3024         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3025         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3026         fields.  Update declarations.
3027         (Target_x86_64::Target_x86_64): Initialize new fields.
3028         (Target_x86_64::do_plt_address_for_global): New function replacing
3029         do_plt_section_for_global.
3030         (Target_x86_64::do_plt_address_for_local): New function replacing
3031         do_plt_section_for_local.
3032         (Target_x86_64::got_section): Create got_irelative_.
3033         (Target_x86_64::rela_irelative_section): New function.
3034         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3035         all callers.  Don't create __rel_iplt_{start,end}.
3036         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3037         parameters.  Change all callers.  Use different PLT and GOT for
3038         IFUNC symbols.
3039         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3040         layout parameters.  Change all callers.  Use different PLT and
3041         GOT.
3042         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3043         parameters.  Change all callers.  Use different PLT and GOT for
3044         IFUNC symbols.
3045         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3046         (Output_data_plt_x86_64::rela_irelative): New function.
3047         (Output_data_plt_x86_64::address_for_global): New function.
3048         (Output_data_plt_x86_64::address_for_local): New function.
3049         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3050         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3051         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3052         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3053         parameters.
3054         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3055         reloc.
3056         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3057         symbols if we didn't create an IRELATIVE GOT.
3058         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3059         plt_address_for_local.
3060         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3061         * testsuite/ifuncvar1.c: New test file.
3062         * testsuite/ifuncvar2.c: New test file.
3063         * testsuite/ifuncvar3.c: New test file.
3064         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3065         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3066         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3067         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3068         * testsuite/Makefile.in: Rebuild.
3069
3070 2011-07-07  Cary Coutant  <ccoutant@google.com>
3071
3072         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3073         (two_file_test_1_ndebug.o): Likewise.
3074         (two_file_test_1b_ndebug.o): Likewise.
3075         (two_file_test_2_ndebug.o): Likewise.
3076         (two_file_test_main_ndebug.o): Likewise.
3077         (incremental_test_2): Link with no-debug versions.
3078
3079 2011-07-06  Cary Coutant  <ccoutant@google.com>
3080
3081         * gold/incremental.cc
3082         (Output_section_incremental_inputs::write_info_blocks): Check for
3083         hidden and internal symbols.
3084
3085 2011-07-06  Cary Coutant  <ccoutant@google.com>
3086
3087         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3088         Check disposition for startup file.
3089         (Incremental_inputs::report_command_line): Ignore
3090         --incremental-startup-unchanged option.
3091         * options.cc (General_options::parse_incremental_startup_unchanged):
3092         New function.
3093         (General_options::General_options): Initialize new data member.
3094         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3095         (General_options): Add --incremental-startup-unchanged option.
3096         (General_options::incremental_startup_disposition): New function.
3097         (General_options::incremental_startup_disposition_): New data member.
3098
3099 2011-07-06  Cary Coutant  <ccoutant@google.com>
3100
3101         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3102         input file index to Script_info ctor.
3103         (Sized_incremental_binary::do_file_has_changed): Find the
3104         command-line argument for files named in scripts.
3105         * incremental.h (Script_info::Script_info): New ctor
3106         with input file index.
3107         (Script_info::input_file_index): New function.
3108         (Script_info::input_file_index_): New data member.
3109         (Incremental_binary::get_library): Add const.
3110         (Incremental_binary::get_script_info): Add const.
3111         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3112         * testsuite/Makefile.am (incremental_test_5): New test case.
3113         (incremental_test_6): New test case.
3114         * testsuite/Makefile.in: Regenerate.
3115
3116 2011-07-06  Cary Coutant  <ccoutant@google.com>
3117
3118         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3119         debug output when command lines differ.
3120
3121 2011-07-06  Cary Coutant  <ccoutant@google.com>
3122
3123         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3124         --incremental-patch option.
3125         * layout.cc (Free_list::allocate): Extend allocation beyond original
3126         end if enabled.
3127         (Layout::make_output_section): Mark sections that should get
3128         patch space.
3129         * options.cc (parse_percent): New function.
3130         * options.h (parse_percent): New function.
3131         (DEFINE_percent): New macro.
3132         (General_options): Add --incremental-patch option.
3133         * output.cc (Output_section::Output_section): Initialize new data
3134         members.
3135         (Output_section::add_input_section): Print section name when out
3136         of patch space.
3137         (Output_section::add_output_section_data): Likewise.
3138         (Output_section::set_final_data_size): Add patch space when
3139         doing --incremental-full.
3140         (Output_section::do_reset_address_and_file_offset): Remove patch
3141         space.
3142         (Output_segment::set_section_list_addresses): Print debug output
3143         only if --incremental-update.
3144         * output.h (Output_section::set_is_patch_space_allowed): New function.
3145         (Output_section::is_patch_space_allowed_): New data member.
3146         (Output_section::patch_space_): New data member.
3147         * parameters.cc (Parameters::incremental_full): New function.
3148         * parameters.h (Parameters::incremental_full): New function
3149         * testsuite/Makefile.am (incremental_test_2): Add test for
3150         --incremental-patch option.
3151         * testsuite/Makefile.in: Regenerate.
3152         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3153         (t18): Remove function body.
3154
3155 2011-07-05  Doug Kwan  <dougkwan@google.com>
3156
3157         PR gold/12771
3158         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3159         Arm_Address type for relocation result.
3160         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3161         overflow check.
3162         (Arm_relocate_functions::abs32): Use unaligned access.
3163         (Arm_relocate_functions::rel32): Ditto.
3164         (Arm_relocate_functions::prel31): Ditto.
3165         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3166         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3167         static data relocations.
3168         * testsuite/Makefile.in: Regnerate.
3169         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3170
3171 2011-07-05  Ian Lance Taylor  <iant@google.com>
3172
3173         PR gold/12392
3174         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3175         symbols if necessary.
3176         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3177
3178 2011-07-05  Ian Lance Taylor  <iant@google.com>
3179
3180         PR gold/12952
3181         * resolve.cc (Symbol::override_base_with_special): Simply override
3182         version with special symbol version, ignoring previous version.
3183
3184 2011-07-05  Ian Lance Taylor  <iant@google.com>
3185
3186         * object.cc (Sized_relobj_file::include_section_group): Add
3187         information to comment about signature location.
3188
3189 2011-07-02  Ian Lance Taylor  <iant@google.com>
3190
3191         PR gold/12957
3192         * options.h (class General_options): Add -f and -F.
3193         * options.cc (General_options::finalize): Fatal error if -f/-F
3194         are used without -shared.
3195         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3196
3197 2011-07-02  Ian Lance Taylor  <iant@google.com>
3198
3199         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3200
3201 2011-07-01  Ian Lance Taylor  <iant@google.com>
3202
3203         PR gold/12525
3204         PR gold/12952
3205         * resolve.cc (Symbol::override_base_with_special): Don't override
3206         the version if the overriding symbol has a different name.
3207         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3208         all callers.  If we give an error about an undefined version,
3209         define the base version if necessary.
3210         * dynobj.h (class Versions): Update declaration.
3211         * testsuite/weak_alias_test_5.cc: New file.
3212         * testsuite/weak_alias_test.script: New file.
3213         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3214         and versioned_alias have the right value, and call t2.
3215         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3216         weak_alias_test_5.so.
3217         (weak_alias_test_LDADD): Likewise.
3218         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3219         * testsuite/Makefile.in: Rebuild.
3220
3221 2011-07-01  Ian Lance Taylor  <iant@google.com>
3222
3223         PR gold/12525
3224         * options.h (class General_options): Support -z notext.
3225         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3226         -Wl,-z,notext.
3227         (two_file_shared_nonpic.so): Likewise.
3228         (two_file_shared_mixed.so): Likewise.
3229         (two_file_shared_mixed_1.so): Likewise.
3230         (weak_undef_lib_nonpic.so): Likewise.
3231         (alt/weak_undef_lib_nonpic.so): Likewise.
3232         (tls_test_shared_nonpic.so): Likewise.
3233         * testsuite/Makefile.in: Rebuild.
3234
3235 2011-07-01  Ian Lance Taylor  <iant@google.com>
3236
3237         PR gold/12525
3238         * configure.ac: Test whether static linking works, setting
3239         the automake conditional HAVE_STATIC.
3240         * testsuite/Makefile.am: Disable tests using -static if
3241         HAVE_STATIC is not true.
3242         * configure, testsuite/Makefile.in: Rebuild.
3243
3244 2011-07-01  Ian Lance Taylor  <iant@google.com>
3245
3246         PR gold/12525
3247         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
3248         Assert if we see DW_EH_PE_indirect.
3249         * target.h (Target::ehframe_datarel_base): New function.
3250         (Target::do_ehframe_datarel_base): New target function.
3251         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3252         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3253         function.
3254
3255 2011-07-01  Ian Lance Taylor  <iant@google.com>
3256
3257         PR gold/12571
3258         * options.h (class General_options): Add
3259         --ld-generated-unwind-info.
3260         * ehframe.cc (Fde::write): Add address parameter.  Change all
3261         callers.  If associated with PLT, fill in address and size.
3262         (Cie::set_output_offset): Only add merge mapping if there is an
3263         object.
3264         (Cie::write): Add address parameter.  Change all callers.
3265         (Eh_frame::add_ehframe_for_plt): New function.
3266         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3267         input_offset_ fields into union u_, with new plt field.
3268         (Fde::Fde): Adjust for new union field.
3269         (Fde::Fde) [Output_data version]: New constructor.
3270         (Fde::add_mapping): Only add merge mapping if there is an object.
3271         (class Cie): Update declarations.
3272         (class Eh_frame): Declare add_ehframe_for_plt.
3273         * layout.cc (Layout::layout_eh_frame): Break out code into
3274         make_eh_frame_section, and call it.
3275         (Layout::make_eh_frame_section): New function.
3276         (Layout::add_eh_frame_for_plt): New function.
3277         * layout.h (class Layout): Update declarations.
3278         * merge.cc (Merge_map::add_mapping): Add assertion.
3279         * i386.cc: Include "dwarf.h".
3280         (class Output_data_plt_i386): Make first_plt_entry,
3281         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3282         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3283         and plt_eh_frame_fde.
3284         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3285         boundary.  Call add_eh_frame_for_plt if appropriate.
3286         * x86_64.cc: Include "dwarf.h".
3287         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3288         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3289         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3290         and plt_eh_frame_fde.
3291         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3292         appropriate.
3293
3294 2011-06-29  Ian Lance Taylor  <iant@google.com>
3295
3296         PR gold/12629
3297         * object.cc (Sized_relobj_file::layout_section): Change shdr
3298         parameter to be const.
3299         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3300         out of do_layout.
3301         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3302         appropriate.  Call layout_eh_frame_section.
3303         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3304         sections.
3305         * object.h (class Sized_relobj_file): Update declarations.
3306
3307 2011-06-29  Ian Lance Taylor  <iant@google.com>
3308
3309         PR gold/12652
3310         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3311         modifier.
3312         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3313
3314 2011-06-29  Ian Lance Taylor  <iant@google.com>
3315
3316         PR gold/12675
3317         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3318         SHT_X86_64_UNWIND.
3319         * layout.cc (Layout::layout_eh_frame): Likewise.
3320
3321 2011-06-29  Ian Lance Taylor  <iant@google.com>
3322
3323         PR gold/12695
3324         * layout.cc (Layout::symtab_section_shndx): New function.
3325         * layout.h (class Layout): Declare symtab_section_shndx.
3326         * output.cc (Output_section::write_header): Call it.
3327
3328 2011-06-29  Ian Lance Taylor  <iant@google.com>
3329
3330         PR gold/12818
3331         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3332         symbols which are not used in a relocation.
3333
3334 2011-06-28  Ian Lance Taylor  <iant@google.com>
3335
3336         PR gold/12898
3337         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3338         script create indistinguishable segments.
3339         (Layout::set_segment_offsets): Use stable_sort when sorting
3340         segments.  Pass this to Compare_segments constructor.
3341         * layout.h (class Layout): Make segment_precedes non-static.
3342         (class Compare_segments): Change from struct to class.  Add
3343         layout_ field.  Add constructor.
3344         * script-sections.cc
3345         (Script_sections::attach_sections_using_phdrs_clause): Rename
3346         local orphan to is_orphan.  Don't report failure to put empty
3347         section in segment.  On attachment failure, report name of
3348         section, and attach to first PT_LOAD segment.
3349
3350 2011-06-28  Ian Lance Taylor  <iant@google.com>
3351
3352         PR gold/12934
3353         * target-select.cc (Target_selector::Target_selector): Add
3354         emulation parameter.  Change all callers.
3355         (select_target_by_bfd_name): Rename from select_target_by_name.
3356         Change all callers.
3357         (select_target_by_emulation): New function.
3358         (supported_emulation_names): New function.
3359         * target-select.h (class Target_selector): Add emulation_ field.
3360         Update declarations.
3361         (Target_selector::recognize_by_bfd_name): Rename from
3362         recognize_by_name.  Change all callers.
3363         (Target_selector::supported_bfd_names): Rename from
3364         supported_names.  Change all callers.
3365         (Target_selector::recognize_by_emulation): New function.
3366         (Target_selector::supported_emulations): New function.
3367         (Target_selector::emulation): New function.
3368         (Target_selector::do_recognize_by_bfd_name): Rename from
3369         do_recognize_by_name.  Change all callers.
3370         (Target_selector::do_supported_bfd_names): Rename from
3371         do_supported_names.  Change all callers.
3372         (Target_selector::do_recognize_by_emulation): New function.
3373         (Target_selector::do_supported_emulations): New function.
3374         (select_target_by_bfd_name): Change name in declaration.
3375         (select_target_by_emulation): Declare.
3376         (supported_emulation_names): Declare.
3377         * parameters.cc (parameters_force_valid_target): Try to find
3378         target based on emulation from -m option.
3379         * options.h (class General_options): Change doc string for -m.
3380         * options.cc (help): Print emulations.
3381         (General_options::parse_V): Likewise.
3382         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3383         Add emulation parameter.  Change all callers.
3384
3385 2011-06-28  Ian Lance Taylor  <iant@google.com>
3386
3387         * target.h (class Target): Add osabi_ field.
3388         (Target::osabi): New function.
3389         (Target::set_osabi): New function.
3390         (Target::Target): Initialize osabi_.
3391         (Target::do_adjust_elf_header): Make pure virtual.
3392         (Sized_target::do_adjust_elf_header): Declare.
3393         * target.cc (Sized_target::do_adjust_elf_header): New function.
3394         (class Sized_target): Instantiate all versions.
3395         * freebsd.h (class Target_freebsd): Remove.
3396         (Target_selector_freebsd::do_recognize): Call set_osabi on
3397         Target.
3398         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3399         (Target_selector_freebsd::set_osabi): Remove.
3400         * i386.cc (class Target_i386): Inherit from Sized_target rather
3401         than Target_freebsd.
3402         * x86_64.cc (class Target_x86_64): Likewise.
3403
3404 2011-06-28  Ian Lance Taylor  <iant@google.com>
3405
3406         * target.h (Target::can_check_for_function_pointers): Rewrite.
3407         Make non-virtual.
3408         (Target::can_icf_inline_merge_sections): Likewise.
3409         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3410         (Target::Target_info): Add can_icf_inline_merge_sections field.
3411         (Target::do_can_check_for_function_pointers): New virtual
3412         function.
3413         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3414         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3415         from can_check_for_function_pointers, move in file.
3416         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3417         section_may_have_icf_unsafe_poineters, move in file.
3418         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3419         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3420         Rename from can_check_for_function_pointers, move in file.
3421         (Target_i386::can_icf_inline_merge_sections): Remove.
3422         (Target_i386::i386_info): Initialize
3423         can_icf_inline_merge_sections.
3424         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3425         Initialize can_icf_inline_merge_sections.
3426         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3427         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3428         Rename from can_check_for_function_pointers, move in file.
3429         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3430         (Target_x86_64::x86_64_info): Initialize
3431         can_icf_inline_merge_sections.
3432         * testsuite/testfile.cc (Target_test::test_target_info):
3433         Likewise.
3434         * icf.cc (get_section_contents): Correct formatting.
3435
3436 2011-06-27  Ian Lance Taylor  <iant@google.com>
3437
3438         * symtab.cc (Symbol::versioned_name): New function.
3439         (Symbol_table::add_to_final_symtab): Use versioned_name when
3440         appropriate.
3441         (Symbol_table::sized_write_symbol): Likewise.
3442         * symtab.h (class Symbol): Declare versioned_name.
3443         * stringpool.h (class Stringpool_template): Add variant of add
3444         which takes a std::basic_string.
3445         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3446         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3447         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3448         (ver_test_12.o): New target.
3449         * testsuite/Makefile.in: Rebuild.
3450
3451 2011-06-27  Doug Kwan  <dougkwan@google.com>
3452
3453         * arm.cc (Arm_relocate_functions::thm_jump8,
3454         Arm_relocate_functions::thm_jump11): Use a wider signed
3455         type to compute offset.
3456         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3457         arm_thm_jump8.
3458         * testsuite/Makefile.in: Regenerate.
3459         * testsuite/arm_branch_in_range.sh: Check test results of
3460         arm_thm_jump11 and arm_thm_jump8.
3461         * testsuite/arm_thm_jump11.s: New test source file.
3462         * testsuite/arm_thm_jump11.t: New linker script.
3463         * testsuite/arm_thm_jump8.s: New test source file.
3464         * testsuite/arm_thm_jump8.t: New linker script.
3465
3466 2011-06-24  Ian Lance Taylor  <iant@google.com>
3467
3468         * layout.cc: Include "object.h".
3469         (ctors_sections_in_init_array): New static variable.
3470         (Layout::is_ctors_in_init_array): New function.
3471         (Layout::layout): Add entry to ctors_sections_in_init_array if
3472         appropriate.
3473         * layout.h (class Layout): Declare is_ctors_in_init_array.
3474         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3475         is_ctors_reverse_view is set.
3476         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3477         all callers.  Set is_ctors_reverse_view field of View_size.
3478         (Sized_relobj_file::reverse_words): New function.
3479         * object.h (Sized_relobj_file::View_size): Add
3480         is_ctors_reverse_view field.
3481         (class Sized_relobj_file): Update declarations.
3482         * testsuite/initpri3.c: New test.
3483         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3484         initpri3b.
3485         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3486         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3487         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3488         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3489         * testsuite/Makefile.in: Rebuild.
3490
3491 2011-06-24  Cary Coutant  <ccoutant@google.com>
3492
3493         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3494         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3495         (debug_msg_cdebug.err): New targets.
3496         * testsuite/Makefile.in: Regenerate.
3497         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3498         Fix checks for link with shared library.
3499
3500 2011-06-24  Doug Kwan  <dougkwan@google.com>
3501
3502         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3503         skip empty text sections.
3504         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3505
3506 2011-06-22  Ian Lance Taylor  <iant@google.com>
3507
3508         PR gold/12910
3509         * options.h (class General_options): Add --ctors-in-init-array.
3510         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3511         friends as SHT_PROGBITS for merging sections.
3512         (Layout::layout): Remove special handling of .init_array and
3513         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3514         and .dtors if ctors_in_init_array.
3515         (Layout::make_output_section): Force correct section types for
3516         .init_array and friends.  Don't sort if doing relocatable link,
3517         Don't sort .ctors and .dtors if ctors_in_init_array.
3518         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3519         (Layout::output_section_name): Add relobj parameter.  Change all
3520         callers.  Handle .ctors. and .dtors. in code rather than table.
3521         Handle .ctors and .dtors if ctors_in_init_array.
3522         (Layout::match_file_name): New function, moved from output.cc.
3523         * layout.h (class Layout): Update declarations.
3524         * output.cc: Include "layout.h".
3525         (Input_section_sort_entry::get_priority): New function.
3526         (Input_section_sort_entry::match_file_name): Just call
3527         Layout::match_file_name.
3528         (Output_section::Input_section_sort_init_fini_compare::operator()):
3529         Handle .ctors and .dtors.  Sort by explicit priority rather than
3530         by name.
3531         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3532         * testsuite/initpri2.c: New test.
3533         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3534         (check_PROGRAMS): Add initpri2.
3535         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3536         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3537         * configure, testsuite/Makefile.in: Rebuild.
3538
3539 2011-06-19  Ian Lance Taylor  <iant@google.com>
3540
3541         PR gold/12880
3542         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3543         .interp section to a PT_INTERP segment even if we have seen a
3544         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3545         clause in a linker script.
3546         (Layout::finalize): Don't create a .interp section if we've
3547         already create a PT_INTERP segment.
3548         (Layout::create_interp): Always call choose_output_section (revert
3549         patch of 2011-06-17).  Don't create PT_INTERP segment.
3550         * script-sections.cc
3551         (Script_sections::create_note_and_tls_segments): Add a .interp
3552         section to a PT_INTERP segment even if we have seen a
3553         --dynamic-linker option.
3554
3555 2011-06-18  Ian Lance Taylor  <iant@google.com>
3556
3557         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3558         merely because a non-PT_LOAD segment has a dynamic reloc.
3559
3560 2011-06-18  Ian Lance Taylor  <iant@google.com>
3561
3562         * layout.cc (Layout::finish_dynamic_section): Don't create
3563         DT_FLAGS entry if not needed.
3564
3565 2011-06-18  Ian Lance Taylor  <iant@google.com>
3566
3567         PR gold/12745
3568         * layout.cc (Layout::layout_eh_frame): Correct handling of
3569         writable .eh_frame section.
3570
3571 2011-06-17  Ian Lance Taylor  <iant@google.com>
3572
3573         PR gold/12893
3574         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3575         symbol is redefined with the exact same object and value.
3576
3577 2011-06-17  Ian Lance Taylor  <iant@google.com>
3578
3579         PR gold/12880
3580         * layout.h (class Layout): Add interp_segment_ field.
3581         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3582         (Layout::attach_allocated_section_to_segment): If making shared
3583         library, put .interp section in PT_INTERP segment.
3584         (Layout::finalize): Also call create_interp if -dynamic-linker
3585         option was used.
3586         (Layout::create_interp): Assert that there is no PT_INTERP
3587         segment.  If not using a SECTIONS clause, use make_output_section.
3588         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3589         * script-sections.cc
3590         (Script_sections::create_note_and_tls_segments): If making shared
3591         library, put .interp section in PT_INTERP segment.
3592
3593 2011-06-17  Ian Lance Taylor  <iant@google.com>
3594
3595         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3596         when making a shared library.
3597
3598 2011-06-17  Ian Lance Taylor  <iant@google.com>
3599
3600         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3601         parameter.  Change all callers.  Don't issue warning about PC32
3602         against locally defined symbol.
3603
3604 2011-06-16  Ian Lance Taylor  <iant@google.com>
3605
3606         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3607         occurs in same object.
3608
3609 2011-06-14  Alan Modra  <amodra@gmail.com>
3610
3611         * po/POTFILES.in: Regenerate.
3612
3613 2011-06-09  Ian Lance Taylor  <iant@google.com>
3614
3615         * script-sections.cc
3616         (Orphan_output_section::set_section_addresses): For a relocatable
3617         link set address to 0.
3618
3619 2011-06-09  Cary Coutant  <ccoutant@google.com>
3620
3621         PR gold/12804
3622         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3623         used with --compress-debug-sections.
3624         * gold/object.cc (Sized_relobj_file::do_layout): Report
3625         uncompressed size of compressed input sections.
3626
3627 2011-06-08  Cary Coutant  <ccoutant@google.com>
3628
3629         PR gold/12804
3630         * testsuite/two_file_test_2_v1.cc: Change initialization of
3631         v2 to keep it in .data.
3632
3633 2011-06-07  Cary Coutant  <ccoutant@google.com>
3634
3635         * common.cc (Symbol_table::do_allocate_commons_list): Call
3636         gold_fallback.
3637         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3638         (Errors::fallback): New function.
3639         (gold_fallback): New function.
3640         * errors.h (Errors::fallback): New function.
3641         * gold.cc (gold_exit): Change status parameter to enum; adjust
3642         all callers.
3643         (queue_initial_tasks): Call gold_fallback.
3644         * gold.h: Include cstdlib.
3645         (Exit_status): New enum type.
3646         (gold_exit): Change status parameter to enum.
3647         (gold_fallback): New function.
3648         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3649         (Layout::create_symtab_sections): Likewise.
3650         (Layout::create_shdrs): Likewise.
3651         * main.cc (main): Adjust call to gold_exit.
3652         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3653         (Output_data_got::add_got_entry_pair): Likewise.
3654         (Output_section::add_input_section): Likewise.
3655         (Output_section::add_output_section_data): Likewise.
3656         (Output_segment::set_section_list_addresses): Likewise.
3657         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3658
3659 2011-06-07  Cary Coutant  <ccoutant@google.com>
3660
3661         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3662         for incremental links.
3663         * output.cc (Output_segment::set_section_list_addresses): Remove
3664         FIXME and test for TLS or BSS.
3665
3666 2011-06-07  Cary Coutant  <ccoutant@google.com>
3667
3668         * testsuite/Makefile.am: Add incremental_copy_test,
3669         incremental_common_test_1.
3670         * testsuite/Makefile.in: Regenerate.
3671         * testsuite/common_test_1_v1.c: New source file.
3672         * testsuite/common_test_1_v2.c: New source file.
3673         * testsuite/copy_test_v1.cc: New source file.
3674
3675 2011-06-07  Cary Coutant  <ccoutant@google.com>
3676
3677         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3678         update, allocate common from bss section's free list.
3679         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3680         linker-defined symbols.
3681         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3682         Skip GOT and PLT entries that are no longer referenced.
3683         (Output_section_incremental_inputs::write_info_blocks): Mark
3684         linker-defined symbols.
3685         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3686         * output.cc (Output_section::allocate): New function.
3687         * output.h (Output_section::allocate): New function.
3688         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3689         linker-defined symbols.
3690         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3691         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3692         (Symbol::init_base_output_data): Likewise.
3693         (Symbol::init_base_output_segment): Likewise.
3694         (Symbol::init_base_constant): Likewise.
3695         (Sized_symbol::init_output_data): Likewise.
3696         (Sized_symbol::init_output_segment): Likewise.
3697         (Sized_symbol::init_constant): Likewise.
3698         (Symbol_table::do_define_in_output_data): Likewise.
3699         (Symbol_table::do_define_in_output_segment): Likewise.
3700         (Symbol_table::do_define_as_constant): Likewise.
3701         * symtab.h (Symbol::is_predefined): New function.
3702         (Symbol::init_base_output_data): Add is_predefined parameter.
3703         (Symbol::init_base_output_segment): Likewise.
3704         (Symbol::init_base_constant): Likewise.
3705         (Symbol::is_predefined_): New data member.
3706         (Sized_symbol::init_output_data): Add is_predefined parameter.
3707         (Sized_symbol::init_output_segment): Likewise.
3708         (Sized_symbol::init_constant): Likewise.
3709         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3710
3711 2011-06-07  Cary Coutant  <ccoutant@google.com>
3712
3713         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3714         instead of emit_copy_reloc.
3715         (Copy_relocs::emit_copy_reloc): Refactor.
3716         (Copy_relocs::make_copy_reloc): New function.
3717         (Copy_relocs::add_copy_reloc): Remove.
3718         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3719         section.
3720         (Copy_relocs::make_copy_reloc): New function.
3721         (Copy_relocs::add_copy_reloc): Remove.
3722         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3723         unchanged input files.
3724         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3725         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3726         Reserve BSS space for COPY relocations.
3727         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3728         (Output_section_incremental_inputs::write_info_blocks): Record
3729         whether a symbol is copied from a shared object.
3730         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3731         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3732         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3733         (Incremental_input_entry_reader::get_output_symbol_index): Add
3734         is_copy parameter.
3735         (Incremental_binary::emit_copy_relocs): New function.
3736         (Incremental_binary::do_emit_copy_relocs): New function.
3737         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3738         new data member.
3739         (Sized_incremental_binary::add_copy_reloc): New function.
3740         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3741         (Sized_incremental_binary::Copy_reloc): New struct.
3742         (Sized_incremental_binary::Copy_relocs): New typedef.
3743         (Sized_incremental_binary::copy_relocs_): New data member.
3744         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3745         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3746         * target.h (Sized_target::emit_copy_reloc): New function.
3747         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3748
3749 2011-06-02  Cary Coutant  <ccoutant@google.com>
3750
3751         PR gold/12163
3752         * gold/archive.cc (Archive::Archive): Initialize new data member.
3753         (Archive::include_all_members): Return if archive has already been
3754         included.
3755         * gold/archive.h (Archive::include_all_members_): New data member.
3756
3757 2011-06-02  Nick Clifton  <nickc@redhat.com>
3758
3759         * dynobj.h: Fix spelling mistake in comment.
3760         * output.cc: Likewise.
3761
3762 2011-05-31  Doug Kwan  <dougkwan@google.com>
3763             Asier Llano
3764
3765         PR gold/12826
3766         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3767         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3768         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3769         redundant arm_exidx_test.so.
3770         * testsuite/Makefile.in: Regenerate.
3771         (check_SCRIPTS): Add pr12826.sh
3772         (check_DATA): Add pr12826.stdout
3773         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3774         * testsuite/pr12826.sh: New file.
3775         * testsuite/pr12826_1.s: Ditto.
3776         * testsuite/pr12826_1.s: Ditto.
3777
3778 2011-05-30  Ian Lance Taylor  <iant@google.com>
3779
3780         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3781         sections.
3782
3783 2011-05-29  Ian Lance Taylor  <iant@google.com>
3784
3785         PR gold/12804
3786         * testsuite/Makefile.am: Use different file name for two_file_test
3787         temporary file for each incremental test.
3788         * testsuite/Makefile.in: Rebuild.
3789
3790 2011-05-29  Ian Lance Taylor  <iant@google.com>
3791
3792         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3793         binary input file is empty.
3794
3795 2011-05-27  Ian Lance Taylor  <iant@google.com>
3796
3797         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3798         (ver_test_9.so): Likewise.
3799         * testsuite/Makefile.in: Rebuild.
3800
3801 2011-05-26 Cary Coutant  <ccoutant@google.com>
3802
3803         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3804         * incremental.cc (Incremental_inputs::report_input_section): Fix
3805         comment, indentation.
3806         (Incremental_inputs::report_comdat_group): New function.
3807         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3808         of data for incremental input file entry.
3809         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3810         group count, COMDAT group signatures.
3811         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3812         an unchanged input file.
3813         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3814         Initialize new data member.
3815         (Incremental_object_entry::add_comdat_group): New function.
3816         (Incremental_object_entry::get_comdat_group_count): New function.
3817         (Incremental_object_entry::get_comdat_signature_key): New function.
3818         (Incremental_object_entry::groups_): New data member.
3819         (Incremental_inputs::report_comdat_group): New function.
3820         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3821         data for incremental input file entry.
3822         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3823         (Incremental_input_entry_reader::get_input_section): Adjust size of
3824         data for incremental input file entry.
3825         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3826         (Incremental_input_entry_reader::get_comdat_group_signature): New
3827         function.
3828         * object.cc (Sized_relobj::include_section_group): Report kept
3829         COMDAT groups for incremental links.
3830
3831 2011-05-24  David Meyer  <pdox@google.com>
3832
3833         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3834         with name parameter.  Add found_name parameter.
3835         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3836         * dirsearch.h (class Dirsearch): Update declaration.
3837
3838 2011-05-24  Ian Lance Taylor  <iant@google.com>
3839
3840         * archive.cc (Library_base::should_include_member): Pull in object
3841         from archive if it defines the entry symbol.
3842         * parameters.cc (Parameters::entry): New function.
3843         * parameters.h (class Parameters): Declare entry.
3844         * output.h (class Output_file_header): Remove entry_ field.
3845         * output.cc (Output_file_header::Output_file_header): Remove entry
3846         parameter.  Change all callers.
3847         (Output_file_header::entry): Use parameters->entry.
3848         * gold.cc (queue_middle_tasks): Likewise.
3849         * plugin.cc (Plugin_hook::run): Likewise.
3850
3851 2011-05-24 Cary Coutant  <ccoutant@google.com>
3852
3853         * gold.cc (queue_initial_tasks): Pass incremental base filename
3854         to Output_file::open_base_file; don't print error message.
3855         * incremental-dump.cc (main): Adjust call to
3856         Output_file::open_for_modification.
3857         * incremental-dump.cc (main): Likewise.
3858         * incremental.cc (Incremental_inputs::report_command_line):
3859         Ignore --incremental-base option when comparing command lines.
3860         Ignore parameter when given as separate argument.
3861         * options.h (class General_options): Add --incremental-base.
3862         * output.cc (Output_file::Output_file):
3863         (Output_file::open_base_file): Add base_name and writable parameters;
3864         read base file into new file; print error message here.
3865         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3866         callers.
3867         * output.h (Output_file::open_for_modification): Rename to...
3868         (Output_file::open_base_file): ...this; add base_name and
3869         writable parameters; adjust all callers.
3870         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3871         callers.
3872         * testsuite/Makefile.am (incremental_test_4): Test
3873         --incremental-base.
3874         * testsuite/Makefile.in: Regenerate.
3875
3876 2011-05-24 Cary Coutant  <ccoutant@google.com>
3877
3878         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3879         incremental_test_4.
3880         * testsuite/Makefile.in: Regenerate.
3881         * testsuite/two_file_test_1_v1.cc: New test source file.
3882         * testsuite/two_file_test_1b_v1.cc: New test source file.
3883         * testsuite/two_file_test_2_v1.cc: New test source file.
3884
3885 2011-05-24 Cary Coutant  <ccoutant@google.com>
3886
3887         * dynobj.h (Dynobj::do_dynobj): New function.
3888         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3889         flag and soname for shared objects.
3890         * incremental.cc (Incremental_inputs::report_object): Make
3891         either Incremental_object_entry or Incremental_dynobj_entry; add
3892         soname to string table.
3893         (Incremental_inputs::report_input_section): Add assertion.
3894         (Output_section_incremental_inputs::set_final_data_size): Adjust
3895         type of input file entry for shared libraries; adjust size of
3896         shared library info entry.
3897         (Output_section_incremental_inputs::write_input_files): Write
3898         as_needed flag for shared libraries.
3899         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3900         of input file entry for shared libraries; write soname.
3901         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3902         soname from incremental info.
3903         * incremental.h (enum Incremental_input_flags): Add
3904         INCREMENTAL_INPUT_AS_NEEDED.
3905         (Incremental_input_entry::Incremental_input_entry): Initialize new
3906         data member.
3907         (Incremental_input_entry::set_as_needed): New function.
3908         (Incremental_input_entry::as_needed): New function.
3909         (Incremental_input_entry::do_dynobj_entry): New function.
3910         (Incremental_input_entry::as_needed_): New data member.
3911         (Incremental_object_entry::Incremental_object_entry): Don't check
3912         for shared library.
3913         (Incremental_object_entry::do_type): Likewise.
3914         (class Incremental_dynobj_entry): New class.
3915         (Incremental_input_entry_reader::as_needed): New function.
3916         (Incremental_input_entry_reader::get_soname): New function.
3917         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3918         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3919         size of shared library info entry.
3920         * layout.cc (Layout::finish_dynamic_section): Don't test for
3921         incremental link when adding DT_NEEDED entries.
3922         * object.h (Object::Object): Initialize new data member.
3923         (Object::dynobj): New function.
3924         (Object::set_as_needed): New function.
3925         (Object::as_needed): New function.
3926         (Object::do_dynobj): New function.
3927         (Object::as_needed_): New data member.
3928
3929 2011-05-24 Cary Coutant  <ccoutant@google.com>
3930
3931         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3932         info; adjust display of GOT entries.
3933         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3934         vector of input objects; remove file_status_.
3935         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3936         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3937         got_plt reader; call target hooks to reserve GOT entries.
3938         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3939         of input file info header and GOT info entry.
3940         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3941         relocation info.
3942         (Got_plt_view_info::got_descriptor): Remove.
3943         (Got_plt_view_info::sym_index): New data member.
3944         (Got_plt_view_info::input_index): New data member.
3945         (Local_got_offset_visitor::visit): Write input file index.
3946         (Global_got_offset_visitor::visit): Write 0 for input file index.
3947         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3948         with sym_index and input_index.
3949         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3950         incremental info GOT entry; replace got_descriptor with input_index.
3951         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3952         map from input file index to object.
3953         (Sized_relobj_incr::do_layout): Replace direct data member reference
3954         with accessor function.
3955         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3956         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3957         Adjust size of input file info header.
3958         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3959         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3960         (Incremental_input_entry_reader::get_input_section): Adjust size of
3961         input file info header.
3962         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3963         of incremental info GOT entry.
3964         (Incremental_got_plt_reader::get_got_desc): Remove.
3965         (Incremental_got_plt_reader::get_got_symndx): New function.
3966         (Incremental_got_plt_reader::get_got_input_index): New function.
3967         (Sized_incremental_binary::Sized_incremental_binary): Remove
3968         file_status_; add input_objects_.
3969         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3970         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3971         (Sized_incremental_binary::file_is_unchanged): Remove.
3972         (Sized_incremental_binary::set_input_object): New function.
3973         (Sized_incremental_binary::input_object): New function.
3974         (Sized_incremental_binary::file_status_): Remove.
3975         (Sized_incremental_binary::input_objects_): New data member.
3976         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3977         references.
3978         (Sized_relobj_incr::invalid_address): Move to base class.
3979         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3980         class.
3981         (Sized_relobj_incr::do_output_section_offset): Likewise.
3982         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3983         (Sized_relobj_incr::section_offsets_): Likewise.
3984         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3985         function.
3986         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3987         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3988         with accessor function.
3989         (Sized_relobj_file::do_layout): Likewise.
3990         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3991         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3992         (Sized_relobj_file::compute_final_local_value): Replace refs to
3993         section_offsets_ with accessor function.
3994         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3995         * object.h (Relobj::Relobj): Initialize new data members.
3996         (Relobj::add_dyn_reloc): New function.
3997         (Relobj::first_dyn_reloc): New function.
3998         (Relobj::dyn_reloc_count): New function.
3999         (Relobj::first_dyn_reloc_): New data member.
4000         (Relobj::dyn_reloc_count_): New data member.
4001         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4002         references.
4003         (Sized_relobj::Address): New typedef.
4004         (Sized_relobj::invalid_address): Move here from child class.
4005         (Sized_relobj::Sized_relobj): Initialize new data members.
4006         (Sized_relobj::sized_relobj): New function.
4007         (Sized_relobj::is_output_section_offset_invalid): Move here from
4008         child class.
4009         (Sized_relobj::get_output_section_offset): Likewise.
4010         (Sized_relobj::local_has_got_offset): Likewise.
4011         (Sized_relobj::local_got_offset): Likewise.
4012         (Sized_relobj::set_local_got_offset): Likewise.
4013         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4014         (Sized_relobj::clear_got_offsets): New function.
4015         (Sized_relobj::section_offsets): Move here from child class.
4016         (Sized_relobj::do_output_section_offset): Likewise.
4017         (Sized_relobj::do_set_section_offset): Likewise.
4018         (Sized_relobj::Local_got_offsets): Likewise.
4019         (Sized_relobj::local_got_offsets_): Likewise.
4020         (Sized_relobj::section_offsets_): Likewise.
4021         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4022         references.
4023         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4024         class.
4025         (Sized_relobj_file::sized_relobj): New function
4026         (Sized_relobj_file::local_has_got_offset): Move to base class.
4027         (Sized_relobj_file::local_got_offset): Likewise.
4028         (Sized_relobj_file::set_local_got_offset): Likewise.
4029         (Sized_relobj_file::get_output_section_offset): Likewise.
4030         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4031         (Sized_relobj_file::do_output_section_offset): Likewise.
4032         (Sized_relobj_file::do_set_section_offset): Likewise.
4033         (Sized_relobj_file::Local_got_offsets): Likewise.
4034         (Sized_relobj_file::local_got_offsets_): Likewise.
4035         (Sized_relobj_file::section_offsets_): Likewise.
4036         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4037         (all constructors).
4038         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4039         (Output_reloc::get_symbol_index): Likewise.
4040         (Output_reloc::local_section_offset): Likewise.
4041         (Output_reloc::get_address): Likewise.
4042         (Output_reloc::symbol_value): Likewise.
4043         (Output_data_got::reserve_slot): Move to class definition.
4044         (Output_data_got::reserve_local): New function.
4045         (Output_data_got::reserve_slot_for_global): Remove.
4046         (Output_data_got::reserve_global): New function.
4047         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4048         (all constructors, two instantiations).
4049         (Output_reloc::get_relobj): New function (two instantiations).
4050         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4051         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4052         (Output_data_reloc::add_global): Adjust type of relobj.
4053         (Output_data_reloc::add_global_relative): Likewise.
4054         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4055         (Output_data_reloc::add_local): Likewise.
4056         (Output_data_reloc::add_local_relative): Likewise.
4057         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4058         (Output_data_reloc::add_local_section): Likewise.
4059         (Output_data_reloc::add_output_section): Likewise.
4060         (Output_data_reloc::add_absolute): Likewise.
4061         (Output_data_reloc::add_target_specific): Likewise.
4062         (Output_data_got::reserve_slot): Move definition here.
4063         (Output_data_got::reserve_local): New function.
4064         (Output_data_got::reserve_global): New function.
4065         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4066         section_offsets_ with accessor function.
4067         (Sized_relobj_file::write_sections): Likewise.
4068         (Sized_relobj_file::do_relocate_sections): Likewise.
4069         * target.h (Sized_target::reserve_local_got_entry): New function.
4070         (Sized_target::reserve_global_got_entry): New function.
4071         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4072         (Target_x86_64::reserve_global_got_entry): New function.
4073         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4074
4075 2011-05-23 Cary Coutant  <ccoutant@google.com>
4076
4077         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4078         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4079         bit when checking got_type.
4080         * incremental.cc (Sized_incremental_binary::setup_readers):
4081         Store symbol table and string table locations; initialize bit vector
4082         of file status flags.
4083         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4084         unchanged files.
4085         (Sized_incremental_binary::do_process_got_plt): New function.
4086         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4087         (Output_section_incremental_inputs::set_final_data_size): Record
4088         file index for each input file.
4089         (Output_section_incremental_inputs::write_got_plt): Store file index
4090         instead of input entry offset for each GOT entry.
4091         * incremental.h
4092         (Incremental_input_entry::Incremental_input_entry): Initialize new
4093         data member.
4094         (Incremental_input_entry::set_offset): Store file index.
4095         (Incremental_input_entry::get_file_index): New function.
4096         (Incremental_input_entry::file_index_): New data member.
4097         (Incremental_binary::process_got_plt): New function.
4098         (Incremental_binary::do_process_got_plt): New function.
4099         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4100         data members.
4101         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4102         (Sized_incremental_binary::set_file_is_unchanged): New function.
4103         (Sized_incremental_binary::file_is_unchanged): New function.
4104         (Sized_incremental_binary::do_process_got_plt): New function.
4105         (Sized_incremental_binary::file_status_): New data member.
4106         (Sized_incremental_binary::main_symtab_loc_): New data member.
4107         (Sized_incremental_binary::main_strtab_loc_): New data member.
4108         * output.cc (Output_data_got::Got_entry::write): Add case
4109         RESERVED_CODE.
4110         (Output_data_got::add_global): Call add_got_entry.
4111         (Output_data_got::add_global_plt): Likewise.
4112         (Output_data_got::add_global_with_rel): Likewise.
4113         (Output_data_got::add_global_with_rela): Likewise.
4114         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4115         (Output_data_got::add_global_pair_with_rela): Likewise.
4116         (Output_data_got::add_local): Call add_got_entry.
4117         (Output_data_got::add_local_plt): Likewise.
4118         (Output_data_got::add_local_with_rel): Likewise.
4119         (Output_data_got::add_local_with_rela): Likewise.
4120         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4121         (Output_data_got::add_local_pair_with_rela): Likewise.
4122         (Output_data_got::reserve_slot): New function.
4123         (Output_data_got::reserve_slot_for_global): New function.
4124         (Output_data_got::add_got_entry): New function.
4125         (Output_data_got::add_got_entry_pair): New function.
4126         (Output_section::add_output_section_data): Edit FIXME.
4127         * output.h
4128         (Output_section_data_build::Output_section_data_build): New
4129         constructor with size parameter.
4130         (Output_data_space::Output_data_space): Likewise.
4131         (Output_data_got::Output_data_got): Initialize new data member; new
4132         constructor with size parameter.
4133         (Output_data_got::add_constant): Call add_got_entry.
4134         (Output_data_got::reserve_slot): New function.
4135         (Output_data_got::reserve_slot_for_global): New function.
4136         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4137         (Output_data_got::add_got_entry): New function.
4138         (Output_data_got::add_got_entry_pair): New function.
4139         (Output_data_got::free_list_): New data member.
4140         * target.h (Sized_target::init_got_plt_for_update): New function.
4141         (Sized_target::register_global_plt_entry): New function.
4142         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4143         Initialize new data member; call init; add constructor with PLT count.
4144         (Output_data_plt_x86_64::init): New function.
4145         (Output_data_plt_x86_64::add_relocation): New function.
4146         (Output_data_plt_x86_64::reserve_slot): New function.
4147         (Output_data_plt_x86_64::free_list_): New data member.
4148         (Target_x86_64::init_got_plt_for_update): New function.
4149         (Target_x86_64::register_global_plt_entry): New function.
4150         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4151         incremental updates.
4152         (Output_data_plt_x86_64::add_relocation): New function.
4153         * testsuite/object_unittest.cc (Object_test): Set default options.
4154
4155 2011-05-16  Ian Lance Taylor  <iant@google.com>
4156
4157         * options.h (class General_options): Make -i a synonym for -r.
4158
4159 2011-05-16  Ian Lance Taylor  <iant@google.com>
4160
4161         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4162
4163 2011-05-10 Cary Coutant  <ccoutant@google.com>
4164
4165         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4166         strip_all (-s).
4167
4168 2011-05-06  Ian Lance Taylor  <iant@google.com>
4169
4170         * layout.cc (Layout::layout): If the output section flags change,
4171         update the ordering.
4172
4173 2011-04-25 Cary Coutant  <ccoutant@google.com>
4174
4175         * incremental-dump.cc (dump_incremental_inputs): Print local
4176         symbol info for each input file.
4177         * incremental.cc
4178         (Output_section_incremental_inputs::set_final_data_size): Add local
4179         symbol info to input file entries in incremental info.
4180         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4181         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4182         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4183         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4184         implementation.
4185         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4186         (Sized_incr_relobj::do_relocate): Write the local symbols.
4187         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4188         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4189         Adjust size of input file header.
4190         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4191         (Incremental_inputs_reader::get_local_symbol_count): New function.
4192         (Incremental_inputs_reader::get_input_section): Adjust size of input
4193         file header.
4194         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4195         (Sized_incr_relobj::This): New typedef.
4196         (Sized_incr_relobj::sym_size): New const data member.
4197         (Sized_incr_relobj::Local_symbol): New struct.
4198         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4199         (Sized_incr_relobj::do_local_symbol_offset): New function.
4200         (Sized_incr_relobj::local_symbol_count_): New data member.
4201         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4202         (Sized_incr_relobj::local_symbol_index_): New data member.
4203         (Sized_incr_relobj::local_symbol_offset_): New data member.
4204         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4205         (Sized_incr_relobj::local_symbols_): New data member.
4206         * object.h (Relobj::output_local_symbol_count): New function.
4207         (Relobj::local_symbol_offset): New function.
4208         (Relobj::do_output_local_symbol_count): New function.
4209         (Relobj::do_local_symbol_offset): New function.
4210         (Sized_relobj::do_output_local_symbol_count): New function.
4211         (Sized_relobj::do_local_symbol_offset): New function.
4212
4213 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4214
4215         * descriptors.cc (set_close_on_exec): New function.
4216         (Descriptors::open): Use set_close_on_exec.
4217         * output.cc (S_ISLNK): Define if not defined.
4218
4219 2011-04-22 Cary Coutant  <ccoutant@google.com>
4220
4221         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4222         global symbol map.
4223         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4224         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4225         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4226         relocations.
4227         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4228         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4229         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
4230         * incremental.h
4231         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
4232         function.
4233         (Incremental_binary::apply_incremental_relocs): New function.
4234         (Incremental_binary::do_apply_incremental_relocs): New function.
4235         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4236         data member.
4237         (Sized_incremental_binary::add_global_symbol): New function.
4238         (Sized_incremental_binary::global_symbol): New function.
4239         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4240         (Sized_incremental_binary::symbol_map_): New data member.
4241         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
4242         * target.h (Sized_target::apply_relocation): New function.
4243         * target-reloc.h (apply_relocation): New function.
4244         * x86_64.cc (Target_x86_64::apply_relocation): New function.
4245
4246 2011-04-22  Doug Kwan  <dougkwan@google.com>
4247
4248         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
4249         flag of a SHT_ARM_EXIDX section.
4250         * testsuite/Makefile.am (arm_exidx_test): New test rules.
4251         * testsuite/Makefile.in: Regenerate.
4252         * testsuite/arm_exidx_test.s: New file.
4253         * testsuite/arm_exidx_test.sh: Same.
4254
4255 2011-04-20 Cary Coutant  <ccoutant@google.com>
4256
4257         PR gold/12689
4258         * archive.h (Incremental_archive_entry::Archive_member):
4259         Initialize arg_serial_ (second constructor).
4260
4261 2011-04-17  Ian Lance Taylor  <iant@google.com>
4262
4263         * object.cc (Relocate_info::location): Simplify location string.
4264         * errors.cc (Errors::error_at_location): Don't print program
4265         name.
4266         (Errors::warning_at_location): Likewise.
4267         (Errors::undefined_symbol): Likewise.
4268         * testsuite/debug_msg.sh: Update accordingly.
4269
4270 2011-04-14 Cary Coutant  <ccoutant@google.com>
4271
4272         * gold/layout.cc (Layout::symtab_section_offset): New function.
4273         * gold/layout.h (Layout::symtab_section_offset): New function.
4274         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4275
4276 2011-04-12  Ian Lance Taylor  <iant@google.com>
4277
4278         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4279         with MREMAP_MAYMOVE.
4280         * output.h (class Output_file): Add map_is_allocated_ field.
4281         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4282         not available, provide stubs.  If mremap is not available, #define
4283         it to gold_mremap.
4284         (MREMAP_MAYMOVE): Define if not defined.
4285         (Output_file::Output_file): Initialize map_is_allocated_.
4286         (Output_file::resize): Check map_is_allocated_.
4287         (Output_file::map_anonymous): If mmap fails, use malloc.
4288         (Output_file::unmap): Don't do anything for an anonymous map.
4289         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4290         is not available, provide stubs.
4291         (File_read::View::~View): Use free rather than delete[].
4292         (File_read::make_view): Use malloc rather than new[].  If mmap
4293         fails, use malloc.
4294         (File_read::find_or_make_view): Use malloc rather than new[].
4295         * gold.h: Remove HAVE_REMAP code.
4296         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4297         exists.  Rename mremap to gold_mremap.  If mmap is not available
4298         don't do anything.
4299         * configure, config.in: Rebuild.
4300
4301 2011-04-11  Ian Lance Taylor  <iant@google.com>
4302
4303         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4304         initialize local variable v.
4305
4306 2011-04-11  Cary Coutant  <ccoutant@google.com>
4307
4308         * archive.cc (Archive::include_member): Adjust call to
4309         report_object.
4310         (Add_archive_symbols::run): Track argument serial numbers.
4311         (Lib_group::include_member): Likewise.
4312         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4313         * archive.h (Incremental_archive_entry::Archive_member):
4314         Initialize arg_serial_.
4315         (Archive_member::arg_serial_): New data member.
4316         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4317         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4318         incremental link.
4319         (Sized_dynobj::do_for_all_local_got_entries): New function.
4320         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4321         function.
4322         * fileread.cc (get_mtime): New function.
4323         * fileread.h (get_mtime): New function.
4324         * gold.cc (queue_initial_tasks): Check for incremental update.
4325         (process_incremental_input): New function.
4326         (queue_middle_tasks): Don't force valid target for incremental
4327         update.
4328         * incremental-dump.cc (find_input_containing_global): Adjust
4329         size of symbol info entry.
4330         (dump_incremental_inputs): Dump argument serial number and
4331         in_system_directory flag; bias shndx by 1; print symbol names
4332         when dumping per-file symbol lists; use new symbol info readers.
4333         * incremental.cc
4334         (Output_section_incremental_inputs:update_data_size): New function.
4335         (Sized_incremental_binary::setup_readers): Setup input readers
4336         for each input file; build maps for files added from libraries
4337         and scripts.
4338         (Sized_incremental_binary::check_input_args): New function.
4339         (Sized_incremental_binary::do_check_inputs): Build map of argument
4340         serial numbers to input arguments.
4341         (Sized_incremental_binary::do_file_has_changed): Rename
4342         do_file_is_unchanged to this; compare file modification times.
4343         (Sized_incremental_binary::do_init_layout): New function.
4344         (Sized_incremental_binary::do_reserve_layout): New function.
4345         (Sized_incremental_binary::do_get_input_reader): Remove.
4346         (Sized_incremental_binary::get_symtab_view): New function.
4347         (Incremental_checker::can_incrementally_link_output_file): Remove.
4348         (Incremental_inputs::report_command_line): Exclude --debug options.
4349         (Incremental_inputs::report_archive_begin): Add parameter; track
4350         argument serial numbers; don't put input file entry for archive
4351         before archive members.
4352         (Incremental_inputs::report_archive_end): Put input file entry
4353         for archive after archive members.
4354         (Incremental_inputs::report_object): Add parameter; track argument
4355         serial numbers and in_system_directory flag.
4356         (Incremental_inputs::report_script): Add parameter; track argument
4357         serial numbers.
4358         (Output_section_incremental_inputs::set_final_data_size): Adjust
4359         size of symbol info entry; check for forwarding symbols.
4360         (Output_section_incremental_inputs::write_input_files): Write
4361         in_system_directory flag and argument serial number.
4362         (Output_section_incremental_inputs::write_info_blocks): Map section
4363         indices between incremental info and original input file; store
4364         input section index for each symbol.
4365         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4366         change operator() to visit().
4367         (class Global_got_offset_visitor): Likewise.
4368         (class Global_symbol_visitor_got_plt):
4369         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4370         classes.
4371         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4372         (Sized_incr_relobj::do_read_symbols): New function.
4373         (Sized_incr_relobj::do_layout): New function.
4374         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4375         (Sized_incr_relobj::do_add_symbols): New function.
4376         (Sized_incr_relobj::do_should_include_member): New function.
4377         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4378         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4379         (Sized_incr_relobj::do_section_size): New function.
4380         (Sized_incr_relobj::do_section_name): New function.
4381         (Sized_incr_relobj::do_section_contents): New function.
4382         (Sized_incr_relobj::do_section_flags): New function.
4383         (Sized_incr_relobj::do_section_entsize): New function.
4384         (Sized_incr_relobj::do_section_address): New function.
4385         (Sized_incr_relobj::do_section_type): New function.
4386         (Sized_incr_relobj::do_section_link): New function.
4387         (Sized_incr_relobj::do_section_info): New function.
4388         (Sized_incr_relobj::do_section_addralign): New function.
4389         (Sized_incr_relobj::do_initialize_xindex): New function.
4390         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4391         (Sized_incr_relobj::do_read_relocs): New function.
4392         (Sized_incr_relobj::do_gc_process_relocs): New function.
4393         (Sized_incr_relobj::do_scan_relocs): New function.
4394         (Sized_incr_relobj::do_count_local_symbols): New function.
4395         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4396         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4397         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4398         (Sized_incr_relobj::do_relocate): New function.
4399         (Sized_incr_relobj::do_set_section_offset): New function.
4400         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4401         (Sized_incr_dynobj::do_read_symbols): New function.
4402         (Sized_incr_dynobj::do_layout): New function.
4403         (Sized_incr_dynobj::do_add_symbols): New function.
4404         (Sized_incr_dynobj::do_should_include_member): New function.
4405         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4406         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4407         (Sized_incr_dynobj::do_section_size): New function.
4408         (Sized_incr_dynobj::do_section_name): New function.
4409         (Sized_incr_dynobj::do_section_contents): New function.
4410         (Sized_incr_dynobj::do_section_flags): New function.
4411         (Sized_incr_dynobj::do_section_entsize): New function.
4412         (Sized_incr_dynobj::do_section_address): New function.
4413         (Sized_incr_dynobj::do_section_type): New function.
4414         (Sized_incr_dynobj::do_section_link): New function.
4415         (Sized_incr_dynobj::do_section_info): New function.
4416         (Sized_incr_dynobj::do_section_addralign): New function.
4417         (Sized_incr_dynobj::do_initialize_xindex): New function.
4418         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4419         (make_sized_incremental_object): New function.
4420         (Incremental_library::copy_unused_symbols): New function.
4421         (Incremental_library::do_for_all_unused_symbols): New function.
4422         * incremental.h (enum Incremental_input_flags): New type.
4423         (class Incremental_checker): Remove.
4424         (Incremental_input_entry::Incremental_input_entry): Add argument
4425         serial number.
4426         (Incremental_input_entry::arg_serial): New function.
4427         (Incremental_input_entry::set_is_in_system_directory): New function.
4428         (Incremental_input_entry::is_in_system_directory): New function.
4429         (Incremental_input_entry::arg_serial_): New data member.
4430         (Incremental_input_entry::is_in_system_directory_): New data member.
4431         (class Script_info): Move here from script.h.
4432         (Script_info::Script_info): Add filename parameter.
4433         (Script_info::filename): New function.
4434         (Script_info::filename_): New data member.
4435         (Incremental_script_entry::Incremental_script_entry): Add argument
4436         serial number.
4437         (Incremental_object_entry::Incremental_object_entry): Likewise.
4438         (Incremental_object_entry::add_input_section): Build list of input
4439         sections with map to original shndx.
4440         (Incremental_object_entry::get_input_section_index): New function.
4441         (Incremental_object_entry::shndx_): New data member.
4442         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4443         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4444         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4445         serial number.
4446         (Incremental_inputs::report_archive_begin): Likewise.
4447         (Incremental_inputs::report_object): Likewise.
4448         (Incremental_inputs::report_script): Likewise.
4449         (class Incremental_global_symbol_reader): New class.
4450         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4451         and store flags and input file type.
4452         (Incremental_input_entry_reader::arg_serial): New function.
4453         (Incremental_input_entry_reader::type): Extract type from flags.
4454         (Incremental_input_entry_reader::is_in_system_directory): New function.
4455         (Incremental_input_entry_reader::get_input_section_count): Call
4456         accessor function for type.
4457         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4458         function for type; adjust size of global symbol entry.
4459         (Incremental_input_entry_reader::get_global_symbol_count): Call
4460         accessor function for type.
4461         (Incremental_input_entry_reader::get_object_count): Likewise.
4462         (Incremental_input_entry_reader::get_object_offset): Likewise.
4463         (Incremental_input_entry_reader::get_member_count): Likewise.
4464         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4465         (Incremental_input_entry_reader::get_member_offset): Likewise.
4466         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4467         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4468         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4469         (Incremental_input_entry_reader::get_global_symbol_reader): New
4470         function.
4471         (Incremental_input_entry_reader::get_output_symbol_index): New
4472         function.
4473         (Incremental_input_entry_reader::type_): Remove.
4474         (Incremental_input_entry_reader::flags_): New data member.
4475         (Incremental_inputs_reader::input_file_offset): New function.
4476         (Incremental_inputs_reader::input_file_index): New function.
4477         (Incremental_inputs_reader::input_file): Call input_file_offset.
4478         (Incremental_inputs_reader::input_file_at_offset): New function.
4479         (Incremental_relocs_reader::get_r_type): Reformat.
4480         (Incremental_relocs_reader::get_r_shndx): Reformat.
4481         (Incremental_relocs_reader::get_r_offset): Reformat.
4482         (Incremental_relocs_reader::data): New function.
4483         (Incremental_binary::Incremental_binary): Initialize new data members.
4484         (Incremental_binary::check_inputs): Add cmdline parameter.
4485         (Incremental_binary::file_is_unchanged): Remove.
4486         (Input_reader::arg_serial): New function.
4487         (Input_reader::get_unused_symbol_count): New function.
4488         (Input_reader::get_unused_symbol): New function.
4489         (Input_reader::do_arg_serial): New function.
4490         (Input_reader::do_get_unused_symbol_count): New function.
4491         (Input_reader::do_get_unused_symbol): New function.
4492         (Incremental_binary::input_file_count): New function.
4493         (Incremental_binary::get_input_reader): Change signature to use
4494         index instead of filename.
4495         (Incremental_binary::file_has_changed): New function.
4496         (Incremental_binary::get_input_argument): New function.
4497         (Incremental_binary::get_library): New function.
4498         (Incremental_binary::get_script_info): New function.
4499         (Incremental_binary::init_layout): New function.
4500         (Incremental_binary::reserve_layout): New function.
4501         (Incremental_binary::output_file): New function.
4502         (Incremental_binary::do_check_inputs): New function.
4503         (Incremental_binary::do_file_is_unchanged): Remove.
4504         (Incremental_binary::do_file_has_changed): New function.
4505         (Incremental_binary::do_init_layout): New function.
4506         (Incremental_binary::do_reserve_layout): New function.
4507         (Incremental_binary::do_input_file_count): New function.
4508         (Incremental_binary::do_get_input_reader): Change signature.
4509         (Incremental_binary::input_args_map_): New data member.
4510         (Incremental_binary::library_map_): New data member.
4511         (Incremental_binary::script_map_): New data member.
4512         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4513         new data members.
4514         (Sized_incremental_binary::output_section): New function.
4515         (Sized_incremental_binary::inputs_reader): Add const.
4516         (Sized_incremental_binary::symtab_reader): Add const.
4517         (Sized_incremental_binary::relocs_reader): Add const.
4518         (Sized_incremental_binary::got_plt_reader): Add const.
4519         (Sized_incremental_binary::get_symtab_view): New function.
4520         (Sized_incremental_binary::Inputs_reader): New typedef.
4521         (Sized_incremental_binary::Input_entry_reader): New typedef.
4522         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4523         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4524         (Sized_incremental_binary::do_file_has_changed): New function.
4525         (Sized_incremental_binary::do_init_layout): New function.
4526         (Sized_incremental_binary::do_reserve_layout): New function.
4527         (Sized_input_reader::Inputs_reader): Remove.
4528         (Sized_input_reader::Input_entry_reader): Remove.
4529         (Sized_input_reader::do_arg_serial): New function.
4530         (Sized_input_reader::do_get_unused_symbol_count): New function.
4531         (Sized_input_reader::do_get_unused_symbol): New function.
4532         (Sized_incremental_binary::do_input_file_count): New function.
4533         (Sized_incremental_binary::do_get_input_reader): Change signature;
4534         use index instead of filename.
4535         (Sized_incremental_binary::section_map_): New data member.
4536         (Sized_incremental_binary::input_entry_readers_): New data member.
4537         (class Sized_incr_relobj): New class.
4538         (class Sized_incr_dynobj): New class.
4539         (make_sized_incremental_object): New function.
4540         (class Incremental_library): New class.
4541         * layout.cc (Free_list::num_lists): New static data member.
4542         (Free_list::num_nodes): New static data member.
4543         (Free_list::num_removes): New static data member.
4544         (Free_list::num_remove_visits): New static data member.
4545         (Free_list::num_allocates): New static data member.
4546         (Free_list::num_allocate_visits): New static data member.
4547         (Free_list::init): New function.
4548         (Free_list::remove): New function.
4549         (Free_list::allocate): New function.
4550         (Free_list::dump): New function.
4551         (Free_list::print_stats): New function.
4552         (Layout_task_runner::run): Resize output file for incremental updates.
4553         (Layout::Layout): Initialize new data members.
4554         (Layout::set_incremental_base): New function.
4555         (Layout::init_fixed_output_section): New function.
4556         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4557         incremental updates.
4558         (Layout::create_gold_note): Do not create gold note section for
4559         incremental updates.
4560         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4561         for incremental updates.
4562         (Layout::set_section_offsets): For incremental updates, allocate space
4563         from free list.
4564         (Layout::create_symtab_sections): Layout with offsets relative to
4565         start of section; for incremental updates, allocate space from free
4566         list.
4567         (Layout::create_shdrs): For incremental updates, allocate space from
4568         free list.
4569         (Layout::finish_dynamic_section): For incremental updates, do not
4570         check --as-needed (fixed in subsequent patch).
4571         * layout.h (class Free_list): New class.
4572         (Layout::set_incremental_base): New function.
4573         (Layout::incremental_base): New function.
4574         (Layout::init_fixed_output_section): New function.
4575         (Layout::allocate): New function.
4576         (Layout::incremental_base_): New data member.
4577         (Layout::free_list_): New data member.
4578         * main.cc (main): Print Free_list statistics.
4579         * object.cc (Relobj::finalize_incremental_relocs): Add
4580         clear_counts parameter; clear counts only when clear_counts is set.
4581         (Sized_relobj::Sized_relobj): Initialize new base class.
4582         (Sized_relobj::do_layout): Don't report special sections.
4583         (Sized_relobj::do_for_all_local_got_entries): New function.
4584         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4585         symtab_off to all symbol table offsets.
4586         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4587         * object.h (class Got_offset_list): Move to top of file.
4588         (Object::Object): Allow case where input_file == NULL.
4589         (Object::~Object): Likewise.
4590         (Object::input_file): Assert that input_file != NULL.
4591         (Object::lock): Allow case where input_file == NULL.
4592         (Object::unlock): Likewise.
4593         (Object::is_locked): Likewise.
4594         (Object::token): Likewise.
4595         (Object::release): Likewise.
4596         (Object::is_incremental): New function.
4597         (Object::get_mtime): New function.
4598         (Object::for_all_local_got_entries): New function.
4599         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4600         (Object::set_is_in_system_directory): New function.
4601         (Object::is_in_system_directory): New function.
4602         (Object::do_is_incremental): New function.
4603         (Object::do_get_mtime): New function.
4604         (Object::do_for_all_local_got_entries): New function.
4605         (Object::is_in_system_directory_): New data member.
4606         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4607         (class Sized_relobj_base): New class.
4608         (class Sized_relobj): Derive from Sized_relobj_base.
4609         (class Sized_relobj::Symbols): Redeclare from base class.
4610         (class Sized_relobj::local_got_offset_list): Remove.
4611         (class Sized_relobj::Output_sections): Redeclare from base class.
4612         (class Sized_relobj::do_for_all_local_got_entries): New function.
4613         (class Sized_relobj::write_local_symbols): Add offset parameter.
4614         (class Sized_relobj::local_symbol_offset_): Update comment.
4615         (class Sized_relobj::local_dynsym_offset_): Update comment.
4616         * options.cc (Input_arguments::add_file): Remove const.
4617         * options.h (Input_file_argument::Input_file_argument):
4618         Initialize arg_serial_ (all constructors).
4619         (Input_file_argument::set_arg_serial): New function.
4620         (Input_file_argument::arg_serial): New function.
4621         (Input_file_argument::arg_serial_): New data member.
4622         (Input_arguments::Input_arguments): Initialize file_count_.
4623         (Input_arguments::add_file): Remove const.
4624         (Input_arguments::number_of_input_files): New function.
4625         (Input_arguments::file_count_): New data member.
4626         (Command_line::number_of_input_files): Call
4627         Input_arguments::number_of_input_files.
4628         * output.cc (Output_segment_headers::Output_segment_headers):
4629         Set current size.
4630         (Output_section::Input_section::current_data_size): New function.
4631         (Output_section::Output_section): Initialize new data members.
4632         (Output_section::add_input_section): Don't do merge sections for
4633         an incremental link; allocate space from free list for an
4634         incremental update.
4635         (Output_section::add_output_section_data): Allocate space from
4636         free list for an incremental update.
4637         (Output_section::update_data_size): New function.
4638         (Output_section::set_fixed_layout): New function.
4639         (Output_section::reserve): New function.
4640         (Output_segment::set_section_addresses): Remove const.
4641         (Output_segment::set_section_list_addresses): Remove const; allocate
4642         space from free list for an incremental update.
4643         (Output_segment::set_offset): Adjust size of RELRO segment for an
4644         incremental update.
4645         * output.h (Output_data::current_data_size): Move here from
4646         child classes.
4647         (Output_data::pre_finalize_data_size): New function.
4648         (Output_data::update_data_size): New function.
4649         (Output_section_headers::update_data_size): new function.
4650         (Output_section_data_build::current_data_size): Move to Output_data.
4651         (Output_data_strtab::update_data_size): New function.
4652         (Output_section::current_data_size): Move to Output_data.
4653         (Output_section::set_fixed_layout): New function.
4654         (Output_section::has_fixed_layout): New function.
4655         (Output_section::reserve): New function.
4656         (Output_section::update_data_size): New function.
4657         (Output_section::has_fixed_layout_): New data member.
4658         (Output_section::free_list_): New data member.
4659         (Output_segment::set_section_addresses): Remove const.
4660         (Output_segment::set_section_list_addresses): Remove const.
4661         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4662         New function.
4663         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4664         New function.
4665         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4666         parameter when calling Add_symbols constructor; store argument
4667         serial number for members of a lib group.
4668         (Add_symbols::locks): Allow case where token == NULL.
4669         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4670         (Read_member::~Read_member): New function.
4671         (Read_member::is_runnable): New function.
4672         (Read_member::locks): New function.
4673         (Read_member::run): New function.
4674         (Check_script::~Check_script): New function.
4675         (Check_script::is_runnable): New function.
4676         (Check_script::locks): New function.
4677         (Check_script::run): New function.
4678         (Check_library::~Check_library): New function.
4679         (Check_library::is_runnable): New function.
4680         (Check_library::locks): New function.
4681         (Check_library::run): New function.
4682         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4683         (Add_symbols::library_): New data member.
4684         (class Read_member): New class.
4685         (class Check_script): New class.
4686         (class Check_library): New class.
4687         * reloc.cc (Read_relocs::is_runnable): Allow case where
4688         token == NULL.
4689         (Read_relocs::locks): Likewise.
4690         (Scan_relocs::locks): Likewise.
4691         (Relocate_task::locks): Likewise.
4692         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4693         to clear counters.
4694         (Sized_relobj::incremental_relocs_scan): Fix comment.
4695         (Sized_relobj::do_relocate): Pass output file offset to
4696         write_local_symbols.
4697         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4698         from class declaration.
4699         * script.cc (read_input_script): Allocate Script_info; pass
4700         argument serial number to report_script.
4701         * script.h (class Script_info): Move to incremental.h.
4702         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4703         * symtab.h (Symbol_table::add_from_incrobj): New function.
4704         (Symbol_table::set_file_offset): New function.
4705
4706 2011-04-05  Cary Coutant  <ccoutant@google.com>
4707
4708         * incremental-dump.cc (dump_incremental_inputs): Change signature
4709         to take a Sized_incremental_binary; change caller.  Use readers
4710         in Sized_incremental_binary.
4711         * incremental.cc
4712         (Sized_incremental_binary::find_incremental_inputs_sections):
4713         Rename do_find_incremental_inputs_sections to this.
4714         (Sized_incremental_binary::setup_readers): New function.
4715         (Sized_incremental_binary::do_check_inputs): Check
4716         has_incremental_info_ flag; move setup code to setup_readers;
4717         use input readers.
4718         (Sized_incremental_binary::do_file_is_unchanged): New function.
4719         (Sized_incremental_binary::do_get_input_reader): New function.
4720         * incremental.h (class Incremental_binary): Move to end of file.
4721         (Incremental_binary::file_is_unchanged): New function.
4722         (Incremental_binary::do_file_is_unchanged): New function.
4723         (Incremental_binary::Input_reader): New class.
4724         (Incremental_binary::get_input_reader): New function.
4725         (class Sized_incremental_binary): Move to end of file.
4726         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4727         input section reader classes.
4728         (Sized_incremental_binary::has_incremental_info): New function.
4729         (Sized_incremental_binary::inputs_reader): New function.
4730         (Sized_incremental_binary::symtab_reader): New function.
4731         (Sized_incremental_binary::relocs_reader): New function.
4732         (Sized_incremental_binary::got_plt_reader): New function.
4733         (Sized_incremental_binary::do_file_is_unchanged): New function.
4734         (Sized_incremental_binary::Sized_input_reader): New class.
4735         (Sized_incremental_binary::get_input_reader): New function.
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::has_incremental_info_): New data member.
4740         (Sized_incremental_binary::inputs_reader_): New data member.
4741         (Sized_incremental_binary::symtab_reader_): New data member.
4742         (Sized_incremental_binary::relocs_reader_): New data member.
4743         (Sized_incremental_binary::got_plt_reader_): New data member.
4744         (Sized_incremental_binary::current_input_file_): New data member.
4745
4746 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4747
4748         PR gold/12640
4749         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4750         violation.
4751
4752 2011-03-30  Cary Coutant  <ccoutant@google.com>
4753
4754         * archive.cc (Archive::include_member): Adjust call to report_object.
4755         (Add_archive_symbols::run): Add script_info to call to
4756         report_archive_begin.
4757         (Lib_group::include_member): Adjust call to report_object.
4758         (Add_lib_group_symbols::run): Adjust call to report_object.
4759         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4760         blocks.  Add object count for script input files.
4761         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4762         script_info parameter; change all callers.
4763         (Incremental_inputs::report_object): Add script_info parameter;
4764         change all callers.
4765         (Incremental_inputs::report_script): Store backpointer to
4766         incremental info entry.
4767         (Output_section_incremental_inputs::set_final_data_size): Record
4768         additional information for scripts.
4769         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4770         * incremental.h (Incremental_script_entry::add_object): New function.
4771         (Incremental_script_entry::get_object_count): New function.
4772         (Incremental_script_entry::get_object): New function.
4773         (Incremental_script_entry::objects_): New data member; adjust
4774         constructor.
4775         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4776         (Incremental_inputs::report_object): Add script_info parameter.
4777         (Incremental_inputs_reader::get_object_count): New function.
4778         (Incremental_inputs_reader::get_object_offset): New function.
4779         * options.cc (Input_arguments::add_file): Return reference to
4780         new input argument.
4781         * options.h (Input_argument::set_script_info): New function.
4782         (Input_argument::script_info): New function.
4783         (Input_argument::script_info_): New data member; adjust all
4784         constructors.
4785         (Input_file_group::add_file): Return reference to new input argument.
4786         (Input_file_lib::add_file): Likewise.
4787         (Input_arguments::add_file): Likewise.
4788         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4789         * script.cc (Parser_closure::Parser_closure): Add script_info
4790         parameter; adjust all callers.
4791         (Parser_closure::script_info): New function.
4792         (Parser_closure::script_info_): New data member.
4793         (read_input_script): Report scripts earlier to incremental info.
4794         (script_add_file): Set script_info in Input_argument.
4795         (script_add_library): Likewise.
4796         * script.h (Script_options::Script_info): Rewrite class.
4797
4798 2011-03-29  Cary Coutant  <ccoutant@google.com>
4799
4800         * archive.cc (Library_base::should_include_member): Move
4801         method here from class Archive.
4802         (Archive::Archive): Initialize base class.
4803         (Archive::should_include_member): Move to base class.
4804         (Archive::do_for_all_unused_symbols): New function.
4805         (Add_archive_symbols::run): Remove redundant access to
4806         incremental_inputs.
4807         (Lib_group::Lib_group): Initialize base class.
4808         (Lib_group::do_filename): New function.
4809         (Lib_group::include_member): Pass pointer to Lib_group to
4810         report_object.
4811         (Lib_group::do_for_all_unused_symbols): New function.
4812         (Add_lib_group_symbols::run): Report archive information for
4813         incremental links.
4814         * archive.h (class Library_base): New base class.
4815         (class Archive): Derive from Library_base.
4816         (Archive::filename): Move to base class.
4817         (Archive::set_incremental_info): Likewise.
4818         (Archive::incremental_info): Likewise.
4819         (Archive::Should_include): Likewise.
4820         (Archive::should_include_member): Likewise.
4821         (Archive::Armap_entry): Remove.
4822         (Archive::Unused_symbol_iterator): Remove.
4823         (Archive::unused_symbols_begin): Remove.
4824         (Archive::unused_symbols_end): Remove.
4825         (Archive::do_filename): New function.
4826         (Archive::do_get_mtime): New function.
4827         (Archive::do_for_all_unused_symbols): New function.
4828         (Archive::task_): Move to base class.
4829         (Archive::incremental_info_): Likewise.
4830         (class Lib_group): Derive from Library_base.
4831         (Lib_group::do_filename): New function.
4832         (Lib_group::do_get_mtime): New function.
4833         (Lib_group::do_for_all_unused_symbols): New function.
4834         (Lib_group::task_): Move to base class.
4835         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4836         function.
4837         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4838         function.
4839         * incremental.cc (Incremental_inputs::report_archive_begin):
4840         Use Library_base; call library's get_mtime; add incremental inputs
4841         entry before members.
4842         (class Unused_symbol_visitor): New class.
4843         (Incremental_inputs::report_archive_end): Use Library_base; use
4844         visitor class to record unused symbols; don't add incremental inputs
4845         entry after members.
4846         (Incremental_inputs::report_object): Use Library_base.
4847         * incremental.h
4848         (Incremental_archive_entry::Incremental_archive_entry): Remove
4849         unused Archive parameter.
4850         (Incremental_inputs::report_archive_begin): Use Library_base.
4851         (Incremental_inputs::report_archive_end): Likewise.
4852         (Incremental_inputs::report_object): Likewise.
4853         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4854         function.
4855         * object.h (Object::for_all_global_symbols): New function.
4856         (Object::do_for_all_global_symbols): New function.
4857         (Sized_relobj::do_for_all_global_symbols): New function.
4858         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4859         function.
4860         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4861         function.
4862
4863 2011-03-27  Ian Lance Taylor  <iant@google.com>
4864
4865         * archive.cc (Archive::interpret_header): Return -1 if something
4866         goes wrong.  Change callers accordingly.
4867
4868 2011-03-25  Cary Coutant  <ccoutant@google.com>
4869
4870         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4871         * testsuite/Makefile.in: Regenerate.
4872
4873 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4874
4875         * plugin.cc (get_view): New.
4876         (Plugin::load): Pass get_view to the plugin.
4877         (Plugin_manager::get_view): New.
4878
4879 2011-03-21  Ian Lance Taylor  <iant@google.com>
4880
4881         * testsuite/final_layout.sh: Rewrite to not use dc.
4882         * testsuite/relro_test.sh: Fail if dc is not present.
4883
4884 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4885
4886         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4887         Change == to -eq.
4888         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4889         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4890         Change == to -eq.
4891         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4892         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4893
4894 2011-03-14  Ian Lance Taylor  <iant@google.com>
4895
4896         * script-sections.cc (Sort_output_sections::script_compare):
4897         Rename from is_before, change return type.
4898         (Sort_output_sections::operator()): Adjust accordingly.
4899
4900 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4901
4902         PR gold/12572
4903         * testsuite/odr_violation2.cc: Add comment to make all error line
4904         numbers double digits.
4905         * testsuite/debug_msg.sh: Adjust expected errors.
4906
4907 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4908
4909         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4910         but mark earlier ones as non-canonical
4911         (offset_to_iterator): Update search target and example
4912         (do_addr2line): Return extra lines in a vector*
4913         (format_file_lineno): Extract from do_addr2line
4914         (one_addr2line): Add vector* out-param
4915         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4916         when a lineno entry appeared last for its instruction
4917         (Dwarf_line_info): Add vector* out-param
4918         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4919         * symtab.cc (Odr_violation_compare): Include the lineno in the
4920         comparison again.
4921         (linenos_from_loc): New. Combine the canonical line for an
4922         address with its other lines.
4923         (True_if_intersect): New. Helper functor to make
4924         std::set_intersection a query.
4925         (detect_odr_violations): Compare sets of lines instead of just
4926         one line for each function. This became less deterministic, but
4927         has fewer false positives.
4928         * symtab.h: Declarations.
4929         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4930         mix an optimized and non-optimized object in the same binary
4931         (odr_violation2.so): Same.
4932         * testsuite/Makefile.in: Regenerate from Makefile.am.
4933         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4934         * testsuite/debug_msg.sh: Update line numbers and add
4935         assertions.
4936         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4937         non-optimized context.
4938         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4939         isn't inlined, and use OdrDerived in an optimized context.
4940         * testsuite/odr_header1.h: Defines OdrDerived, where
4941         optimization will change the
4942         first-instruction-in-the-destructor's file and line number.
4943         * testsuite/odr_header2.h: Defines OdrBase.
4944
4945 2011-03-09  Ian Lance Taylor  <iant@google.com>
4946
4947         * fileread.cc (File_read::clear_views): Don't delete the whole
4948         file view.
4949
4950 2011-03-08  Ian Lance Taylor  <iant@google.com>
4951
4952         PR gold/12525
4953         * fileread.cc: #include <climits>.
4954         (GOLD_IOV_MAX): Define.
4955         (File_read::read_multiple): Limit number of entries by iov_max.
4956         * fileread.h (class File_read): Always set max_readv_entries to
4957         128.
4958
4959 2011-03-07  Ian Lance Taylor  <iant@google.com>
4960
4961         PR gold/12525
4962         * options.h (class General_options): Add -dy and -dn.
4963
4964 2011-03-02  Cary Coutant  <ccoutant@google.com>
4965
4966         * testsuite/script_test_9.t: Add TLS segment.
4967
4968 2011-03-02  Simon Baldwin  <simonb@google.com>
4969
4970         * configure.ac: Add check for gnu_indirect_function support in
4971         the toolchain building binutils.
4972         * configure: Rebuild.
4973
4974 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4975
4976         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4977         plugin only symbols.
4978         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4979         in plugin files as not needed in the symbol table.
4980
4981 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4982
4983         * output.cc (Output_section::add_input_section): Delay fill
4984         generation for section ordering.
4985
4986 2011-02-09  Ian Lance Taylor  <iant@google.com>
4987
4988         PR gold/12316
4989         * object.h (class Sized_relobj): Remove clear_local_symbols.
4990         * reloc.cc (Sized_relobj::do_relocate): Don't call
4991         clear_local_symbols.
4992
4993 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4994
4995         * plugin.cc (is_visible_from_outside): Return true for symbols
4996         in the -u option.
4997
4998 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4999
5000         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5001         filename.
5002
5003 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5004
5005         * icf.h (is_section_foldable_candidate): Change type of parameter
5006         to std::string.
5007         * icf.cc (Icf::find_identical_sections): Change type of local variable
5008         section_name to be std::string.
5009         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5010
5011 2011-01-25  Ian Lance Taylor  <iant@google.com>
5012
5013         * script.cc (script_add_extern): Rewrite to use
5014         add_symbol_reference.
5015
5016 2011-01-25  Doug Kwan  <dougkwan@google.com>
5017
5018         * icf.cc (get_section_contents): Always lock section's object.
5019
5020 2011-01-24  Ian Lance Taylor  <iant@google.com>
5021
5022         * options.h (class General_options): Accept
5023         --no-detect-odr-violations.
5024
5025 2011-01-24  Ian Lance Taylor  <iant@google.com>
5026
5027         * version.cc (version_string): Bump to 1.11.
5028
5029 2011-01-24  Ian Lance Taylor  <iant@google.com>
5030
5031         * plugin.cc (class Plugin_rescan): Define new class.
5032         (Plugin_manager::claim_file): Set any_claimed_.
5033         (Plugin_manager::save_archive): New function.
5034         (Plugin_manager::save_input_group): New function.
5035         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5036         necessary.
5037         (Plugin_manager::new_undefined_symbol): New function.
5038         (Plugin_manager::rescan): New function.
5039         (Plugin_manager::rescannable_defines): New function.
5040         (Plugin_manager::add_input_file): Set any_added_.
5041         * plugin.h (class Plugin_manager): define new fields rescannable_,
5042         undefined_symbols_, any_claimed_, and any_added_.  Declare
5043         Plugin_rescan as friend.  Declare new functions.
5044         (Plugin_manager::Rescannable): Define type.
5045         (Plugin_manager::Rescannable_list): Define type.
5046         (Plugin_manager::Undefined_symbol_list): Define type.
5047         (Plugin_manager::Plugin_manager): Initialize new fields.
5048         * archive.cc (Archive::defines_symbol): New function.
5049         (Add_archive_symbols::run): Pass archive to plugins if any.
5050         * archive.h (class Archive): Declare defines_symbol.
5051         * readsyms.cc (Input_group::~Input_group): New function.
5052         (Finish_group::run): Pass input_group to plugins if any.
5053         * readsyms.h (class Input_group): Declare destructor.
5054         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5055         any.
5056
5057 2011-01-10  Ian Lance Taylor  <iant@google.com>
5058
5059         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5060         section as relro.
5061         (Layout::set_segment_offsets): Reset increase_relro before calling
5062         set_section_addresses a second time.
5063
5064 2011-01-04  Cary Coutant  <ccoutant@google.com>
5065
5066         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5067         sections before NOBITS sections.
5068
5069 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5070
5071         * version.cc (print_version): Update copyright to 2011.
5072
5073 2010-12-23  Cary Coutant  <ccoutant@google.com>
5074
5075         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5076         of OS to this->add.  Add OD parameter to second form of the function.
5077
5078 2010-12-20  Ian Lance Taylor  <iant@google.com>
5079
5080         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5081         second of two consecutive entries with same offset.
5082
5083 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5084
5085         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5086         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5087         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5088         to avoid unneeded links against $(LDADD).
5089         * testsuite/Makefile.in: Regenerate.
5090
5091 2010-12-15  Ian Lance Taylor  <iant@google.com>
5092
5093         PR gold/12324
5094         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5095         for R_X86_64_32 and R_X86_64_PC32.
5096         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5097         ver_matching_def_pic.o.
5098         (ver_matching_def_pic.o): New target.
5099
5100 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5101
5102         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5103         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5104         Move definition before File_read::View member definitions.
5105         (File_read::View::~View): Initialize and hold lock before
5106         updating current_mapped_bytes.
5107
5108 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5109
5110         * dwarf_reader.cc: Remove outdated comment.
5111         * gold-threads.cc: Fix typo in error message.
5112         * archive.cc: Fix typos in comments.
5113         * archive.h: Likewise.
5114         * arm-reloc-property.cc: Likewise.
5115         * arm-reloc-property.h: Likewise.
5116         * arm-reloc.def: Likewise.
5117         * arm.cc: Likewise.
5118         * attributes.h: Likewise.
5119         * cref.cc: Likewise.
5120         * ehframe.cc: Likewise.
5121         * fileread.h: Likewise.
5122         * gold.h: Likewise.
5123         * i386.cc: Likewise.
5124         * icf.cc: Likewise.
5125         * incremental.h: Likewise.
5126         * int_encoding.cc: Likewise.
5127         * layout.h: Likewise.
5128         * main.cc: Likewise.
5129         * merge.h: Likewise.
5130         * object.cc: Likewise.
5131         * object.h: Likewise.
5132         * options.cc: Likewise.
5133         * readsyms.cc: Likewise.
5134         * reduced_debug_output.cc: Likewise.
5135         * reloc.cc: Likewise.
5136         * script-sections.cc: Likewise.
5137         * sparc.cc: Likewise.
5138         * symtab.h: Likewise.
5139         * target-reloc.h: Likewise.
5140         * target.cc: Likewise.
5141         * target.h: Likewise.
5142         * timer.cc: Likewise.
5143         * timer.h: Likewise.
5144         * x86_64.cc: Likewise.
5145
5146 2010-12-09  Cary Coutant  <ccoutant@google.com>
5147
5148         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5149         stack.
5150         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5151         parameter; change all callers.
5152         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5153         * options.h (warn_execstack): New option.
5154
5155 2010-12-07  Doug Kwan  <dougkwan@google.com>
5156
5157         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5158         like function call relocations.
5159
5160 2010-12-07  Ian Lance Taylor  <iant@google.com>
5161
5162         * archive.cc (Archive::get_elf_object_for_member): Permit
5163         punconfigured to be NULL.
5164         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5165         (Archive::include_member): Pass NULL to get_elf_object_for_member
5166         if we searched for the archive and this is the first included
5167         object.
5168
5169 2010-12-01  Ian Lance Taylor  <iant@google.com>
5170
5171         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5172         track_relocs_type_ field.
5173         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5174         Set track_relocs_type_.
5175         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5176         contents when using RELA relocs.
5177         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5178         reloc_map_.
5179         * reloc.cc (Track_relocs::next_addend): New function.
5180         * reloc.h (class Track_relocs): Declare next_addend.
5181
5182 2010-12-01  Ian Lance Taylor  <iant@google.com>
5183
5184         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5185         virtual destructor.
5186
5187 2010-12-01  Ian Lance Taylor  <iant@google.com>
5188
5189         * README: Update compilers known to work and fail.
5190
5191 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5192
5193         * configure.in: For --enable-gold, handle value `default' instead of
5194         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5195         not the default.
5196         * configure: Regenerate.
5197
5198 2010-11-18  Doug Kwan  <dougkwan@google.com>
5199
5200         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5201         and right_alignment to be zero.  Store result alignment only if it is
5202         greater than existing alignment.
5203
5204 2010-11-16  Cary Coutant  <ccoutant@google.com>
5205
5206         PR gold/12220
5207         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5208         Check for ".zdebug_line".
5209
5210 2010-11-16  Doug Kwan  <dougkwan@google.com>
5211             Cary Coutant  <ccoutant@google.com>
5212
5213         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5214         by reference; adjust all callers.
5215         * output.cc (Output_segment::set_section_addresses): Adjust references
5216         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5217         list is empty.
5218         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5219         end at page boundary.
5220
5221 2010-11-16  Cary Coutant  <ccoutant@google.com>
5222
5223         PR gold/12220
5224         * layout.cc (Layout::choose_output_section): Transform names of
5225         compressed sections even when using a script with a SECTIONS clause.
5226         (Layout::output_section_name): Remove code to transform
5227         compressed debug section names.
5228         * output.cc (Output_section::add_input_section): Use uncompressed
5229         section size when tracking input sections.
5230
5231 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
5232
5233         * symtab.h (Symbol::NON_PIC_REF): Remove.
5234         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
5235         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
5236         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
5237         (Symbol::use_plt_offset): Take a flags argument and pass it
5238         directly to needs_dynamic_reloc.  Restrict check for undefined
5239         weak symbols to function calls.
5240         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
5241         (Target_arm::Scan::global): Use it.
5242         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
5243         (Target_arm::Relocate::relocate): Likewise.
5244         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
5245         parameter with an r_type parameter.  Use get_reference_flags
5246         to get the flags.
5247         (Target_arm::Relocate::relocate): Update accordingly.
5248         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
5249         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
5250         (Target_i386::Scan::global): Likewise.
5251         (Target_i386::Relocate::relocate): Likewise.
5252         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5253         parameter with an r_type parameter.  Use get_reference_flags
5254         to get the flags.
5255         (Target_i386::Relocate::relocate): Update accordingly.
5256         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5257         (Target_powerpc::Scan::global): Use it.
5258         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5259         (Target_powerpc::Relocate::relocate): Likewise.
5260         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5261         (Target_sparc::Scan::global): Use it.
5262         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5263         (Target_sparc::Relocate::relocate): Likewise.
5264         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5265         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5266         (Target_x86_64::Scan::global): Likewise.
5267         (Target_x86_64::Relocate::relocate): Likewise.
5268
5269 2010-11-08  Doug Kwan  <dougkwan@google.com>
5270             Cary Coutant  <ccoutant@google.com>
5271
5272         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5273         (Arm_exidx_merge_section::section_contents_): New data member.
5274         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5275         (Arm_input_section::~Arm_input_section): De-allocate memory.
5276         (Arm_input_section::original_contents_): New data member.
5277         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5278         in parameters instead of calling Object::section_contents without
5279         locking.
5280         (Arm_output_section::group_section): New parameter TASK.  Pass it
5281         to callees that need locking objects.
5282         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5283         to lock EXIDX input sections.  Fix a formatting issue.  Call
5284         Arm_exidx_merged_section::build_contents to create merged section
5285         contents.
5286         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5287         to lock object of stub table owner.
5288         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5289         TEXT_SIZE to initialize data member TEXT_SIZE_.
5290         (Arm_exidx_input_section::addralign): Fix typo in comment.
5291         (Arm_exidx_input_section::text_size): New method.
5292         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5293         that require locking objects.  Lock objects before scanning for stubs
5294         and updating local symbols.
5295         (Arm_input_section<big_endian>::init): Copy contents of original
5296         input section.
5297         (Arm_input_section<big_endian>::do_write): Use saved contents of
5298         original input section instead of calling Object::section_contents
5299         without locking.
5300         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5301         size without calling Object::section_size().
5302         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5303         for size.  Allocate a buffer for merged EXIDX entries.
5304         (Arm_exidx_merged_section::build_contents): New method.
5305         (Arm_exidx_merged_section::do_write): Move merge section contents
5306         building code to Arm_exidx_merged_section::build_contetns.  Write
5307         out contetns in buffer instead of building it on the fly.
5308         (Arm_relobj::make_exidx_input_section): Also pass text section size
5309         to Arm_exidx_input_section constructor.
5310         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5311         (Arm_dynobj::do_read_symbols): Fix memory leak.
5312         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5313         * target.h: (class Task): Add forward declaration.
5314         (Target::relax): Add new parameter TASK and pass it to
5315         Target::do_relax().
5316         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5317
5318 2010-11-05  Cary Coutant  <ccoutant@google.com>
5319
5320         PR gold/10708
5321         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5322         object when reading from the file.
5323         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5324         second layout pass.
5325         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5326         when reading section contents.
5327         (get_section_contents): Likewise.
5328         (icf::find_identical_sections): Likewise.
5329         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5330         object when reading from the file.
5331         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5332         the object when doing deferred section layout.
5333
5334 2010-11-03  Nick Clifton  <nickc@redhat.com>
5335
5336         PR gold/12001
5337         * script.h (class Symbol_assignment: name): New member.  Returns
5338         the name of the symbol.
5339         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5340         Returns true if the given symbol name is on the list of
5341         assignments wating to be processed.
5342         * archive.cc (should_incldue_member): If the symbol is undefined,
5343         check to see if it is on the list of symbols pending assignment.
5344
5345 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5346
5347         * script-sections.cc (Script_sections::find_memory_region): Check
5348         for a NULL output section pointer.
5349
5350 2010-10-29  Doug Kwan  <dougkwan@google.com>
5351
5352         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5353         Output_section::add_relaxed_input_section.
5354         * output.cc (Output_section::add_relaxed_input_section): Add new
5355         arguments LAYOUT and NAME.  Set section order index.
5356         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5357         Copy section order index.
5358         * output.h (Output_section::add_relaxed_input_section): Add new
5359         arguments LAYOUT and NAME.
5360
5361 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5362
5363         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5364         NATIVE_OR_CROSS_LINKER.
5365         * testsuite/Makefile.in: Regenerate.
5366
5367 2010-10-20  Doug Kwan  <dougkwan@google.com>
5368
5369         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5370         without SHF_LINK_ORDER flags.
5371         * layout.cc (Layout::choose_output_section): Do not filter
5372         SHF_LINK_ORDER flag in a relocatable link.
5373
5374 2010-10-17  Cary Coutant  <ccoutant@google.com>
5375
5376         * output.h (Output_segment::set_section_addresses): Change function
5377         signature.  Update all callers.
5378         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5379         sections.
5380         (Output_segment::set_section_addresses): Align after last TLS
5381         section.  Add padding before last relro section instead of after.
5382
5383 2010-10-17  Doug Kwan  <dougkwan@google.com>
5384
5385         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5386         GOT output section to be writable.
5387
5388 2010-10-14  Cary Coutant  <ccoutant@google.com>
5389
5390         * debug.h (DEBUG_INCREMENTAL): New flag.
5391         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5392         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5393         mode.
5394         * incremental.cc (report_command_line): Ignore all forms of
5395         --incremental.
5396         * layout.cc (Layout::Layout): Check parameters for incremental link
5397         mode.
5398         * options.cc (General_options::parse_incremental): New function.
5399         (General_options::parse_no_incremental): New function.
5400         (General_options::parse_incremental_full): New function.
5401         (General_options::parse_incremental_update): New function.
5402         (General_options::incremental_mode_): New data member.
5403         (General_options::finalize): Check incremental_mode_.
5404         * options.h (General_options): Update help text for --incremental.
5405         Add --no-incremental, --incremental-full, --incremental-update.
5406         (General_options::Incremental_mode): New enum type.
5407         (General_options::incremental_mode): New function.
5408         (General_options::incremental_mode_): New data member.
5409         * parameters.cc (Parameters::incremental_mode_): New data member.
5410         (Parameters::set_options): Set incremental_mode_.
5411         (Parameters::set_incremental_full): New function.
5412         (Parameters::incremental): New function.
5413         (Parameters::incremental_update): New function.
5414         (set_parameters_incremental_full): New function.
5415         * parameters.h (Parameters::set_incremental_full): New function.
5416         (Parameters::incremental): New function.
5417         (Parameters::incremental_update): New function.
5418         (Parameters::incremental_mode_): New data member.
5419         (set_parameters_incremental_full): New function.
5420         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5421         incremental link mode.
5422         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5423         (Sized_relobj::do_relocate_sections): Likewise.
5424         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5425         option.
5426         * testsuite/Makefile.in: Regenerate.
5427         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5428
5429 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5430
5431         * script-sections.h (class Script_sections): Make
5432         Sections_elements typedef public.
5433         * script-sections.cc (class Sort_output_sections): Add elements_
5434         field.  Add constructor which sets it; change all callers.
5435         (Sort_output_sections::is_before): New function.
5436         (Sort_output_sections::operator()): Call is_before.
5437         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5438         conditional.
5439         * testsuite/script_test_10.sh: New test. Test script section
5440         order.
5441         * testsuite/script_test_10.t: Likewise.
5442         * testsuite/script_test_10.s: Likewise.
5443         * testsuite/Makefile.am: Wrap the cross linker tests and the
5444         common tests into NATIVE_OR_CROSS_LINKER.
5445         (check_SCRIPTS): Add script_test_10.sh.
5446         (check_DATA): Add script_test_10.stdout.
5447         (script_test_10.o, script_test_10): New targets.
5448         (script_test_10.stdout): New target.
5449         * configure, testsuite/Makefile.in: Regenerate.
5450
5451 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5452
5453         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5454         error for the deprecated relocations.
5455         (Target_arm::Scan::global): Likewise.
5456         (Target_arm::Relocate::relocate): Likewise.
5457
5458 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5459
5460         * fileread.cc (Input_file::find_file): Initialize *found_name
5461         and *namep when using the fallback search for case 4.
5462
5463 2010-10-11  Cary Coutant  <ccoutant@google.com>
5464
5465         * options.h (class General_options): Redefine -z lazy as an alias for
5466         the negation of -z now.
5467
5468 2010-10-11  Ian Lance Taylor  <iant@google.com>
5469
5470         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5471         binding.
5472
5473 2010-10-06  Nick Clifton  <nickc@redhat.com>
5474
5475         * script-sections.cc(class Memory_region): Remove
5476         current_lma_offset_ field.  Rename current_vma_offset_ to
5477         current_offset_.  Add last_section_ field.
5478         (Memory_region::get_current_vma_address): Rename to
5479         get_current_address.
5480         (Memory_region::get_current_lma_address): Delete.
5481         (Memory_region::increment_vma_offset): Rename to
5482         increment_offset.
5483         (Memory_region::increment_lma_offset): Delete.
5484         (Memory_region::attributes_compatible): New method.  Returns
5485         true if the provided section is compatible with the region.
5486         (Memory_region::get_last_section): New method.  Returns the last
5487         section to use the region.
5488         (Memory_region::set_last_section): New method.  Stores the last
5489         section to use the region.
5490         (Script_sections::block_in_region): New method.  Returns true if
5491         a block of memory is contained within a region.
5492         (Script_sections::find_memory_region): New method.  Locates a
5493         memory region to be used to set a VMA or LMA address.
5494         (Output_section_definition::set_section_addresses): Add code to
5495         check for addresses set by memory regions.
5496         (Output_segment::set_section_addresses): Remove memory region
5497         walking code.
5498         (Script_sections::create_segment): Add a warning if a header
5499         segment is created outside of any region.
5500         * script-sections.h (class Script_sections): Add prototypes for
5501         find_memory_region and block_in_region methods.
5502         * testsuite/memory_test.s: Use .long instead of .word.
5503         * testsuite/memory_test.t: Add some more output sections.
5504         * testsuite/memory_test.sh: Update expected output.
5505
5506 2010-10-02  Doug Kwan  <dougkwan@google.com>
5507
5508         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5509         defintion to symtab.h
5510         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5511         declaration to defintion.
5512
5513 2010-10-01  Nick Clifton  <nickc@redhat.com>
5514
5515         * expression.cc (eval): Replace dummy argument with NULL.
5516         (eval_maybe_dot): Check for a NULL result section pointer.
5517         (Symbol_expression::value): Likewise.
5518         (Dot_expression::value): Likewise.
5519         (BINARY_EXPRESSION): Likewise.
5520         (Max_expression::value): Likewise.
5521         (Min_expression::value): Likewise.
5522         (Absolute_expression::value): Likewise.
5523         (Addr_expression::value_from_output_section): Likewise.
5524         (Loaddddr_expression::value_from_output_section): Likewise.
5525         (Segment_start_expression::value): Likewise.
5526         * script-sections.cc
5527         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5528         argument with NULL.
5529         (Sections_elememt_dot_assignment::set_section_addresses):
5530         Likewise.
5531         (Output_data_expression::do_write_to_buffer): Likewise.
5532         (Output_section_definition::finalize_symbols): Likewise.
5533         (Output_section_definition::set_section_addresses): Likewise.
5534
5535 2010-09-30  Doug Kwan  <dougkwan@google.com>
5536
5537         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5538
5539 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5540
5541         * target.h (Target::can_icf_inline_merge_sections): New virtual
5542         function.
5543         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5544         virtual function.
5545         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5546         virtual function.
5547         * icf.cc (get_section_contents): Inline merge sections only when
5548         target allows it.
5549
5550 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5551
5552         * configure: Regenerate.
5553
5554 2010-09-17  Ian Lance Taylor  <iant@google.com>
5555
5556         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5557         * testsuite/Makefile.am (memory_test.o): New target.
5558         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5559         memory_test.t.
5560         * testsuite/Makefile.in: Rebuild.
5561
5562 2010-09-17  Doug Kwan  <dougkwan@google.com>
5563
5564         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5565         defintion if relocation uses GOT entries of the symbol.
5566         * testsuite/icf_safe_test.sh: Fix test.
5567         * testsuite/icf_safe_so_test.sh: Fix test.
5568
5569 2010-09-16  Cary Coutant  <ccoutant@google.com>
5570
5571         * script_sections.cc (class Memory_region): Remove "NULL" from
5572         vector initializations.
5573
5574 2010-09-15  Cary Coutant  <ccoutant@google.com>
5575
5576         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5577         Resolve forwarding symbols.
5578
5579 2010-09-15  Doug Kwan  <dougkwan@google.com>
5580
5581         * gold/testsuite/script_test_3.t: Add ARM special sections.
5582         * gold/testsuite/script_test_4.t: Same.
5583         * gold/testsuite/script_test_5.t: Same.
5584         * gold/testsuite/script_test_6.t: Same.
5585         * gold/testsuite/script_test_7.t: Same.
5586         * gold/testsuite/script_test_7.t: Same.
5587         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5588
5589 2010-09-14  Cary Coutant  <ccoutant@google.com>
5590
5591         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5592         (Target_x86_64::Relocate::relocate_tls): Replace check for
5593         saw_tls_block_reloc_ with test for executable section.
5594
5595 2010-09-12  Cary Coutant  <ccoutant@google.com>
5596
5597         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5598         position-independent executables to shared libraries need dynamic
5599         relocations.
5600         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5601         position-independent executables.
5602         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5603         * testsuite/Makefile.in: Regenerate.
5604
5605 2010-09-10  Nick Clifton  <nickc@redhat.com>
5606
5607         PR gold/11997
5608         * testsuite/memory_test.t: Discard any sections that are not
5609         needed.
5610
5611 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5612
5613         PR gold/11996
5614         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5615         "This::" to work around a bug in gcc 4.2.
5616
5617         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5618
5619 2010-09-09  Rafael Espindola  <espindola@google.com>
5620
5621         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5622         sections with different PF_X flags in the same segment.
5623         (Layout::find_first_load_seg): Search all segments to find the first
5624         one.
5625         * options.h (rosegment): New.
5626
5627 2010-09-08  Rafael Espindola  <espindola@google.com>
5628
5629         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5630
5631 2010-09-08  Doug Kwan  <dougkwan@google.com>
5632
5633         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5634         (Arm_relobj::do_relocate_sections): Add new parameter for output
5635         file to match the parent.
5636         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5637         of local symbols instead of input values.  Update code to track
5638         changes in gold::relocate_section.
5639         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5640         (Sized_relobj::compute_final_local_value_internal): New methods.
5641         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5642         body into private version of Sized_relobj::compute_final_local_value.
5643         Call the inline method.
5644         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5645         merged symbol value if there is one.
5646         (Symbol_value::has_output_value): New method defintiion.
5647         (Sized_relobj::Compute_final_local_value_status): New enum type.
5648         (Sized_relobj::compute_final_local_value): New methods.
5649         (Sized_relobj::compute_final_local_value_internal): New methods.
5650         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5651         and arm_cortex_a8.sh.
5652         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5653         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5654         New tests.
5655         * Makefile.in: Regenerate.
5656         * testsuite/arm_bl_out_of_range.s: Update test.
5657         * testsuite/thumb_bl_out_of_range.s: Ditto.
5658         * testsuite/thumb_blx_out_of_range.s: Ditto.
5659         * testsuite/arm_branch_out_of_range.sh: New file.
5660         * testsuite/arm_cortex_a8.sh: Ditto.
5661         * testsuite/arm_cortex_a8_b.s: Ditto.
5662         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5663         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5664         * testsuite/arm_cortex_a8_bl.s: Ditto.
5665         * testsuite/arm_cortex_a8_blx.s: Ditto.
5666         * testsuite/arm_cortex_a8_local.s: Ditto.
5667         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5668         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5669
5670 2010-09-08  Rafael Espindola  <espindola@google.com>
5671
5672         * Makefile.am (memory_test.stdout): Run readelf with -W.
5673         * Makefile.in: Regenerate.
5674         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5675         64 bit output.
5676
5677 2010-09-08  Rafael Espindola  <espindola@google.com>
5678
5679         * script-sections.cc (Script_sections::add_memory_region): Convert
5680         field precision to int.
5681         * script.cc (script_set_section_region, script_set_section_region):
5682         Convert field precision to int.
5683
5684 2010-09-08  Rafael Espindola  <espindola@google.com>
5685
5686         * arm.cc (do_finalize_sections): Create the __exidx_start and
5687         __exdix_end symbols even when the section is missing.
5688
5689 2010-09-08  Nick Clifton  <nickc@redhat.com>
5690
5691         * README: Remove claim that MEMORY is not supported.
5692         * expression.cc (script_exp_function_origin)
5693         (script_exp_function_length): Move from here to ...
5694         * script.cc: ... here.
5695         (script_set_section_region, script_add_memory)
5696         (script_parse_memory_attr, script_include_directive): New
5697         functions.
5698         * script-sections.cc
5699         (class Memory_region): New class.
5700         (class Output_section_definition): Add set_memory_region,
5701         set_section_vma, set_section_lma and get_section_name methods.
5702         (class Script_Sections): Add add_memory_region,
5703         find_memory_region, find_memory_region_origin,
5704         find_memory_region_length and set_memory_region methods.
5705         Have set_section_addresses method walk the list of set memory
5706         regions.
5707         Extend the print methos to display memory regions.
5708         * script-sections.h: Add prototypes for new methods.
5709         Add enum for MEMORY region attributes.
5710         * yyscript.y: Add support for parsing MEMORY regions.
5711         * script-c.h: Add prototypes for new functions.
5712         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5713         * testsuite/Makefile.in: Regenerate.
5714         * testsuite/memory_test.sh: New script.
5715         * testsuite/memory_test.s: New assembler source file.
5716         * testsuite/memory_test.t: New linker script.
5717
5718 2010-08-27  Doug Kwan  <dougkwan@google.com>
5719
5720         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5721         reference override an existing dynamic weak reference.
5722         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5723         * testsuite/Makefile.in: Regenerate.
5724         * testsuite/dyn_weak_ref.sh: New file.
5725         * testsuite/dyn_weak_ref_1.c: Ditto.
5726         * testsuite/dyn_weak_ref_2.c: Ditto.
5727
5728 2010-08-27  Ian Lance Taylor  <iant@google.com>
5729
5730         * incremental.h (class Incremental_input_entry): Add virtual
5731         destructor.
5732
5733 2010-08-27  Ian Lance Taylor  <iant@google.com>
5734
5735         * testsuite/start_lib_test_3.c: Mark t3 as used.
5736
5737 2010-08-27  Nick Clifton  <nickc@redhat.com>
5738
5739         * options.cc (version_script): Fix small typo in previous
5740         whitespace tidyup.
5741
5742 2010-08-25  Nick Clifton  <nickc@redhat.com>
5743
5744         * archive.cc: Formatting fixes: Remove whitespace between
5745         typename and following asterisk.  Remove whitespace between
5746         function name and opening parenthesis.
5747         * archive.h: Likewise.
5748         * arm.cc: Likewise.
5749         * attributes.cc: Likewise.
5750         * attributes.h: Likewise.
5751         * common.cc: Likewise.
5752         * copy-relocs.cc: Likewise.
5753         * dirsearch.h: Likewise.
5754         * dynobj.cc: Likewise.
5755         * ehframe.cc: Likewise.
5756         * ehframe.h: Likewise.
5757         * expression.cc: Likewise.
5758         * fileread.cc: Likewise.
5759         * fileread.h: Likewise.
5760         * gc.h: Likewise.
5761         * gold-threads.cc: Likewise.
5762         * gold.cc: Likewise.
5763         * i386.cc: Likewise.
5764         * icf.h: Likewise.
5765         * incremental-dump.cc: Likewise.
5766         * incremental.cc: Likewise.
5767         * layout.cc: Likewise.
5768         * layout.h: Likewise.
5769         * main.cc: Likewise.
5770         * merge.cc: Likewise.
5771         * merge.h: Likewise.
5772         * object.cc: Likewise.
5773         * object.h: Likewise.
5774         * options.cc: Likewise.
5775         * options.h: Likewise.
5776         * output.cc: Likewise.
5777         * output.h: Likewise.
5778         * plugin.cc: Likewise.
5779         * plugin.h: Likewise.
5780         * powerpc.cc: Likewise.
5781         * reloc.cc: Likewise.
5782         * script-c.h: Likewise.
5783         * script-sections.cc: Likewise.
5784         * script.cc: Likewise.
5785         * stringpool.cc: Likewise.
5786         * symtab.cc: Likewise.
5787         * symtab.h: Likewise.
5788         * target.cc: Likewise.
5789         * timer.cc: Likewise.
5790         * timer.h: Likewise.
5791         * version.cc: Likewise.
5792         * x86_64.cc: Likewise.
5793
5794 2010-08-24  Nick Clifton  <nickc@redhat.com>
5795
5796         PR 11899
5797         * layout.cc (segment_precedes): Sort segments by their physical
5798         addresses, if they have been set.
5799
5800 2010-08-23  Cary Coutant  <ccoutant@google.com>
5801
5802         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5803         symbols data.
5804         (Lib_group::include_member): Unlock object after deleting its
5805         symbols data.
5806         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5807         the bug fixed here.
5808
5809 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5810             Cary Coutant  <ccoutant@google.com>
5811
5812         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5813         constructor, and set_blocker.
5814         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5815         readsyms_blocker_.
5816         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5817         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5818         * testsuite/Makefile.am (start_lib_test): New test case.
5819         * testsuite/Makefile.in: Regenerate.
5820         * testsuite/start_lib_test_main.c: New file.
5821         * testsuite/start_lib_test_1.c: New file.
5822         * testsuite/start_lib_test_2.c: New file.
5823         * testsuite/start_lib_test_3.c: New file.
5824
5825 2010-08-19  Ian Lance Taylor  <iant@google.com>
5826
5827         * Makefile.in: Rebuild with automake 1.11.1.
5828         * aclocal.m4: Likewise.
5829         * testsuite/Makefile.in: Likewise.
5830
5831 2010-08-19  Ian Lance Taylor  <iant@google.com>
5832
5833         PR 10893
5834         * i386.cc (class Output_data_plt_i386): Update declarations.
5835         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5836         local_ifuncs_ fields.
5837         (Target_i386::do_plt_section_for_global): New function.
5838         (Target_i386::do_plt_section_for_local): New function.
5839         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5840         parameter; change all callers.  Initialize global_ifuncs_ and
5841         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5842         __rel_iplt_end.
5843         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5844         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5845         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5846         symbols.
5847         (Target_i386::make_plt_section): New function, broken out of
5848         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5849         (Target_i386::make_plt_entry): Call make_plt_section.
5850         (Target_i386::make_local_ifunc_plt_entry): New function.
5851         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5852         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5853         R_386_IRELATIVE to switch.
5854         (Target_i386::Scan::global): Likewise.
5855         (Target_i386::Relocate::relocate): Likewise.
5856         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5857         switch.
5858         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5859         (Target_x86_64::do_plt_section_for_global): New function.
5860         (Target_x86_64::do_plt_section_for_local): New function.
5861         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5862         parameter; change all callers.  If doing a static link define
5863         __rela_iplt_start and __rela_iplt_end.
5864         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5865         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5866         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5867         to point to .plt.
5868         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5869         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5870         switch.
5871         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5872         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5873         R_X86_64_IRELATIVE to switch.
5874         (Target_x86_64::Scan::global): Likewise.
5875         (Target_x86_64::Relocate::relocate): Likewise.
5876         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5877         switch.
5878         * target.h (class Target): Add plt_section_for_global and
5879         plt_section_for_local functions.  Add do_plt_section_for_global
5880         and do_plt_section_for_local virtual functions.
5881         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5882         clarifying comments.
5883         (Symbol::use_plt_offset): Handle IFUNC symbol.
5884         * object.cc (Sized_relobj::Sized_relobj): Initialize
5885         local_plt_offsets_.
5886         (Sized_relobj::local_has_plt_offset): New function.
5887         (Sized_relobj::local_plt_offset): New function.
5888         (Sized_relobj::set_local_plt_offset): New function.
5889         (Sized_relobj::do_count): Handle IFUNC symbol.
5890         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5891         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5892         is_ifunc_symbol functions.
5893         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5894         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5895         local_plt_offsets_ field.
5896         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5897         * output.h (class Output_section_data): Add non-const
5898         output_section function.
5899         (class Output_data_got): Update declarations.
5900         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5901         Add use_plt_offset parameter to global and local constructors.
5902         Change all callers.  Change local_sym_index_ field to 31 bits.
5903         Change GSYM_CODE and CONSTANT_CODE accordingly.
5904         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5905         doing a static link don't set sh_link field.
5906         (Output_data_got::Got_entry::write): Use PLT offset if
5907         appropriate.
5908         (Output_data_got::add_global_plt): New function.
5909         (Output_data_got::add_local_plt): New function.
5910         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5911         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5912         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5913         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5914         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5915         IFUNC conditional.
5916         * testsuite/ifunc-sel.h: New file.
5917         * testsuite/ifuncmain1.c: New file.
5918         * testsuite/ifuncmain1vis.c: New file.
5919         * testsuite/ifuncmod1.c: New file.
5920         * testsuite/ifuncdep2.c: New file.
5921         * testsuite/ifuncmain2.c: New file.
5922         * testsuite/ifuncmain3.c: New file.
5923         * testsuite/ifuncmod3.c: New file.
5924         * testsuite/ifuncmain4.c: New file.
5925         * testsuite/ifuncmain5.c: New file.
5926         * testsuite/ifuncmod5.c: New file.
5927         * testsuite/ifuncmain6pie.c: New file.
5928         * testsuite/ifuncmod6.c: New file.
5929         * testsuite/ifuncmain7.c: New file.
5930         * configure, testsuite/Makefile.in: Rebuild.
5931
5932 2010-08-18  Ian Lance Taylor  <iant@google.com>
5933
5934         * incremental.cc
5935         (Output_section_incremental_inputs::write_input_files): Add cast
5936         to avoid signed/unsigned comparison warning.
5937         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5938
5939 2010-08-12  Cary Coutant  <ccoutant@google.com>
5940
5941         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5942
5943 2010-08-13  Ian Lance Taylor  <iant@google.com>
5944
5945         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5946
5947 2010-08-12  Cary Coutant  <ccoutant@google.com>
5948             Doug Kwan  <dougkwan@google.com>
5949
5950         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5951         defintion overrides non-weak undef, remember that the original undef
5952         is not weak.
5953         * symtab.cc (Symbol_table::sized_write_global): For undef without
5954         an original weak binding, set binding to global in output.
5955         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5956         * testsuite/Makefile.in: Regenerate.
5957         * testsuite/strong_ref_weak_def.sh: New file.
5958         * testsuite/strong_ref_weak_def_1.c: Ditto.
5959         * testsuite/strong_ref_weak_def_2.c: Ditto.
5960
5961 2010-08-12  Cary Coutant  <ccoutant@google.com>
5962
5963         * testsuite/incremental_test.sh: Rewrite.
5964         * testsuite/incremental_test_1.c: Rewrite.
5965         * testsuite/incremental_test_2.c: Rewrite.
5966
5967 2010-08-12  Cary Coutant  <ccoutant@google.com>
5968
5969         * arm.cc (Target_arm::got_size): Add const.
5970         (Target_arm::got_entry_count): New function.
5971         (Target_arm::plt_entry_count): New function.
5972         (Target_arm::first_plt_entry_offset): New function.
5973         (Target_arm::plt_entry_size): New function.
5974         (Output_data_plt_arm::entry_count): New function.
5975         (Output_data_plt_arm::first_plt_entry_offset): New function.
5976         (Output_data_plt_arm::get_plt_entry_size): New function.
5977         * i386.cc (Target_i386::got_size): Add const.
5978         (Target_i386::got_entry_count): New function.
5979         (Target_i386::plt_entry_count): New function.
5980         (Target_i386::first_plt_entry_offset): New function.
5981         (Target_i386::plt_entry_size): New function.
5982         (Output_data_plt_i386::entry_count): New function.
5983         (Output_data_plt_i386::first_plt_entry_offset): New function.
5984         (Output_data_plt_i386::get_plt_entry_size): New function.
5985         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5986         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5987         * incremental.cc: Include target.h.
5988         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5989         parameter.  Adjust all callers.  Find incremental_got_plt section.
5990         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5991         section.
5992         (Output_section_incremental_inputs::set_final_data_size): Calculate
5993         size of incremental_got_plt section.
5994         (Output_section_incremental_inputs::do_write): Write the
5995         incremental_got_plt section.
5996         (Got_plt_view_info): New struct.
5997         (Local_got_offset_visitor): New class.
5998         (Global_got_offset_visitor): New class.
5999         (Global_symbol_visitor_got_plt): New class.
6000         (Output_section_incremental_inputs::write_got_plt): New function.
6001         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6002         Add parameter.  Adjust all callers.
6003         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6004         (Incremental_inputs::got_plt_section): New function.
6005         (Incremental_inputs::got_plt_section_): New data member.
6006         (Incremental_got_plt_reader): New class.
6007         * layout.cc (Layout::create_incremental_info_sections): Add the
6008         incremental_got_plt section.
6009         * object.h (Got_offset_list::get_list): New function.
6010         (Got offset_list::for_all_got_offsets): New function.
6011         (Sized_relobj::local_got_offset_list): New function.
6012         * powerpc.cc (Target_powerpc::got_size): Add const.
6013         (Target_powerpc::got_entry_count): New function.
6014         (Target_powerpc::plt_entry_count): New function.
6015         (Target_powerpc::first_plt_entry_offset): New function.
6016         (Target_powerpc::plt_entry_size): New function.
6017         (Output_data_plt_powerpc::entry_count): New function.
6018         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6019         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6020         * sparc.cc (Target_sparc::got_size): Add const.
6021         (Target_sparc::got_entry_count): New function.
6022         (Target_sparc::plt_entry_count): New function.
6023         (Target_sparc::first_plt_entry_offset): New function.
6024         (Target_sparc::plt_entry_size): New function.
6025         (Output_data_plt_sparc::entry_count): New function.
6026         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6027         (Output_data_plt_sparc::get_plt_entry_size): New function.
6028         * symtab.h (Symbol::got_offset_list): New function.
6029         (Symbol_table::for_all_symbols): New function.
6030         * target.h (Sized_target::got_entry_count): New function.
6031         (Sized_target::plt_entry_count): New function.
6032         (Sized_target::plt_entry_size): New function.
6033         * x86_64.cc (Target_x86_64::got_size): Add const.
6034         (Target_x86_64::got_entry_count): New function.
6035         (Target_x86_64::plt_entry_count): New function.
6036         (Target_x86_64::first_plt_entry_offset): New function.
6037         (Target_x86_64::plt_entry_size): New function.
6038         (Output_data_plt_x86_64::entry_count): New function.
6039         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6040         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6041
6042 2010-08-12  Cary Coutant  <ccoutant@google.com>
6043
6044         * archive.cc: Include incremental.h.
6045         (Archive::Archive): Initialize incremental_info_.
6046         (Archive::include_member): Record archive members in incremental info.
6047         (Add_archive_symbols::run): Record begin and end of an archive in
6048         incremental info.
6049         (Lib_group::include_member): Record objects in incremental info.
6050         * archive.h (Incremental_archive_entry): Forward declaration.
6051         (Archive::set_incremental_info): New member function.
6052         (Archive::incremental_info): New member function.
6053         (Archive::Unused_symbol_iterator): New class.
6054         (Archive::unused_symbols_begin): New member function.
6055         (Archive::unused_symbols_end): New member function.
6056         (Archive::incremental_info_): New data member.
6057         * incremental-dump.cc (find_input_containing_global): New function.
6058         (dump_incremental_inputs): Dump new incremental info sections.
6059         * incremental.cc: Include symtab.h.
6060         (Output_section_incremental_inputs): New class.
6061         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6062         new incremental info sections.
6063         (Sized_incremental_binary::do_check_inputs): Likewise.
6064         (Incremental_inputs::report_archive): Remove.
6065         (Incremental_inputs::report_archive_begin): New function.
6066         (Incremental_inputs::report_archive_end): New function.
6067         (Incremental_inputs::report_object): New function.
6068         (Incremental_inputs::finalize_inputs): Remove.
6069         (Incremental_inputs::report_input_section): New function.
6070         (Incremental_inputs::report_script): Rewrite.
6071         (Incremental_inputs::finalize): Do nothing but finalize string table.
6072         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6073         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6074         (Incremental_inputs::create_data_sections): New function.
6075         (Incremental_inputs::relocs_entsize): New function.
6076         (Output_section_incremental_inputs::set_final_data_size): New function.
6077         (Output_section_incremental_inputs::do_write): New function.
6078         (Output_section_incremental_inputs::write_header): New function.
6079         (Output_section_incremental_inputs::write_input_files): New function.
6080         (Output_section_incremental_inputs::write_info_blocks): New function.
6081         (Output_section_incremental_inputs::write_symtab): New function.
6082         * incremental.h (Incremental_script_entry): Forward declaration.
6083         (Incremental_object_entry): Forward declaration.
6084         (Incremental_archive_entry): Forward declaration.
6085         (Incremental_inputs): Forward declaration.
6086         (Incremental_inputs_header_data): Remove.
6087         (Incremental_inputs_header): Remove.
6088         (Incremental_inputs_header_write): Remove.
6089         (Incremental_inputs_entry_data): Remove.
6090         (Incremental_inputs_entry): Remove.
6091         (Incremental_inputs_entry_write): Remove.
6092         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6093         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6094         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6095         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6096         Likewise.
6097         (Incremental_input_entry): New class.
6098         (Incremental_script_entry): New class.
6099         (Incremental_object_entry): New class.
6100         (Incremental_archive_entry): New class.
6101         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6102         (Incremental_inputs::report_inputs): Remove.
6103         (Incremental_inputs::report_archive): Remove.
6104         (Incremental_inputs::report_archive_begin): New function.
6105         (Incremental_inputs::report_archive_end): New function.
6106         (Incremental_inputs::report_object): Change prototype.
6107         (Incremental_inputs::report_input_section): New function.
6108         (Incremental_inputs::report_script): Change prototype.
6109         (Incremental_inputs::get_reloc_count): New function.
6110         (Incremental_inputs::set_reloc_count): New function.
6111         (Incremental_inputs::create_data_sections): New function.
6112         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6113         (Incremental_inputs::inputs_section): New function.
6114         (Incremental_inputs::symtab_section): New function.
6115         (Incremental_inputs::relocs_section): New function.
6116         (Incremental_inputs::get_stringpool): Add const.
6117         (Incremental_inputs::command_line): Add const.
6118         (Incremental_inputs::inputs): Remove.
6119         (Incremental_inputs::command_line_key): New function.
6120         (Incremental_inputs::input_file_count): New function.
6121         (Incremental_inputs::input_files): New function.
6122         (Incremental_inputs::relocs_entsize): New function.
6123         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6124         (Incremental_inputs::finalize_inputs): Remove.
6125         (Incremental_inputs::Input_info): Remove.
6126         (Incremental_inputs::lock_): Remove.
6127         (Incremental_inputs::inputs_): Change type.
6128         (Incremental_inputs::inputs_map_): Remove.
6129         (Incremental_inputs::current_object_entry_): New data member.
6130         (Incremental_inputs::inputs_section_): New data member.
6131         (Incremental_inputs::symtab_section_): New data member.
6132         (Incremental_inputs::relocs_section_): New data member.
6133         (Incremental_inputs::reloc_count_): New data member.
6134         (Incremental_inputs_reader): New class.
6135         (Incremental_symtab_reader): New class.
6136         (Incremental_relocs_reader): New class.
6137         * layout.cc (Layout::finalize): Move finalization of incremental info
6138         and creation of incremental info sections to follow finalization of
6139         symbol table.  Set offsets for postprocessing sections.
6140         (Layout::create_incremental_info_sections): Call
6141         Incremental_inputs::create_data_sections.  Add incremental symtab
6142         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6143         sections to layout after input sections.
6144         * layout.h (struct Timespec): Forward declaration.
6145         (Layout::incremental_inputs): Add const.
6146         (Layout::create_incremental_info_sections): Add parameter.
6147         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6148         * object.cc: Include incremental.h.
6149         (Relobj::finalize_incremental_relocs): New function.
6150         (Sized_relobj::do_layout): Record input sections in incremental info.
6151         * object.h (Object::output_section): New function.
6152         (Object::output_section_offset): Moved from Relobj.
6153         (Object::get_incremental_reloc_base): New function.
6154         (Object::get_incremental_reloc_count): New function.
6155         (Object::do_output_section): New function.
6156         (Object::do_output_section_offset): Moved from Relobj.
6157         (Object::do_get_incremental_reloc_base): New function.
6158         (Object::do_get_incremental_reloc_count): New function.
6159         (Object::Object): Initialize new data members.
6160         (Relobj::output_section): Renamed do_output_section and moved to
6161         protected.
6162         (Relobj::output_section_offset): Moved to Object.
6163         (Relobj::do_get_incremental_reloc_base): New function.
6164         (Relobj::do_get_incremental_reloc_count): New function.
6165         (Relobj::allocate_incremental_reloc_counts): New function.
6166         (Relobj::count_incremental_reloc): New function.
6167         (Relobj::finalize_incremental_relocs): New function.
6168         (Relobj::next_incremental_reloc_index): New function.
6169         (Relobj::reloc_counts_): New data member.
6170         (Relobj::reloc_bases_): New data member.
6171         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6172         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6173         (Sized_relobj::incremental_relocs_scan): New function.
6174         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6175         (Sized_relobj::incremental_relocs_write): New function.
6176         (Sized_relobj::incremental_relocs_write_reltype): New function.
6177         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6178         incremental link.
6179         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6180         archives and object files elsewhere.
6181         (Add_symbols::run): Report object files here.
6182         (Finish_group::run): Report end of archive at end of group.
6183         * reloc.cc: Include layout.h, incremental.h.
6184         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6185         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6186         (Sized_relobj::incremental_relocs_scan): New function.
6187         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6188         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6189         (Sized_relobj::incremental_relocs_write): New function.
6190         (Sized_relobj::incremental_relocs_write_reltype): New function.
6191         * script.cc (read_input_script): Rewrite test for incremental link.
6192         Change call to Incremental_inputs::report_script.
6193         * symtab.h (Symbol_table::first_global_index): New function.
6194         (Symbol_table::output_count): New function.
6195
6196 2010-08-12  Doug Kwan  <dougkwan@google.com>
6197
6198         * arm.cc (Target_arm::merge_object_attributes): Check command line
6199         options --no-wchar-size-warning and --no-enum-size-warning.
6200         * options.h (General_options): Add ld-compatible options
6201         --no-enum-size-warning and --no-wchar-size-warning.
6202
6203 2010-08-04  Ian Lance Taylor  <iant@google.com>
6204
6205         * x86_64.cc (Target_x86_64::Scan::local): Use
6206         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6207         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6208         (Target_x86_64::Scan::global): Likewise.
6209         (Target_x86_64::Relocate::relocate): Likewise.
6210         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6211         Likewise.
6212
6213 2010-08-03  Cary Coutant  <ccoutant@google.com>
6214
6215         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6216         to reserve space in merged_strings vector. Keep total input size
6217         for stats.
6218         (Output_merge_string::do_print_merge_stats): Print total input size.
6219         * merge.h (Output_merge_string): Add input_size_ field.
6220         * stringpool.cc (Stringpool_template::string_length): Move
6221         implementations out of Stringpool_template class and place in
6222         stringpool.h.
6223         * stringpool.h (string_length): Move out of Stringpool_template.
6224
6225 2010-08-03  Ian Lance Taylor  <iant@google.com>
6226
6227         PR 11712
6228         * layout.cc (relaxation_loop_body): If address of load segment is
6229         set, adjust address to include headers if possible.
6230
6231 2010-08-03  Ian Lance Taylor  <iant@google.com>
6232
6233         * version.cc (version_string): Bump to 1.10.
6234
6235 2010-08-03  Ian Lance Taylor  <iant@google.com>
6236
6237         PR 11805
6238         * layout.h (enum Output_section_order): Define.
6239         (class Layout): Update declarations.
6240         * layout.cc (Layout::get_output_section): Add order parameter.
6241         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
6242         is_first_non_relro parameters.  Change all callers.
6243         (Layout::choose_output_section): Likewise.
6244         (Layout::add_output_section_data): Likewise.
6245         (Layout::make_output_section): Likewise.  Set order.
6246         (Layout::default_section_order): New function.
6247         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
6248         * output.cc (Output_section::Output_section): Initialize order_.
6249         Don't initialize deleted fields.
6250         (Output_segment::Output_segment): Don't initialize deleted
6251         fields.
6252         (Output_segment::add_output_section_to_load): New function
6253         replacing add_output_section.  Change all callers to call this or
6254         add_output_section_to_nonload.
6255         (Output_segment::add_output_section_to_nonload): New function.
6256         (Output_segment::remove_output_section): Rewrite.
6257         (Output_segment::add_initial_output_data): Likewise.
6258         (Output_segment::has_any_data_sections): Likewise.
6259         (Output_segment::is_first_section_relro): Likewise.
6260         (Output_segment::maximum_alignment): Likewise.
6261         (Output_segment::has_dynamic_reloc): New function replacing
6262         dynamic_reloc_count.  Change all callers.
6263         (Output_segment::has_dynamic_reloc_list): New function replacing
6264         dynamic_reloc_count_list.  Change all callers.
6265         (Output_segment::set_section_addresses): Rewrite.
6266         (Output_segment::set_offset): Rewrite.
6267         (Output_segment::find_first_and_last_list): Remove.
6268         (Output_segment::set_tls_offsets): Rewrite.
6269         (Output_segment::first_section_load_address): Likewise.
6270         (Output_segment::output_section_count): Likewise.
6271         (Output_segment::section_with_lowest_load_address): Likewise.
6272         (Output_segment::write_section_headers): Likewise.
6273         (Output_segment::print_sections_to_map): Likewise.
6274         * output.h (class Output_data): Remove dynamic_reloc_count_
6275         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6276         (Output_data::add_dynamic_reloc): Rewrite.
6277         (Output_data::has_dynamic_reloc): New function.
6278         (Output_data::dynamic_reloc_count): Remove.
6279         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6280         is_last_relro_, is_first_non_relro_, is_interp_,
6281         is_dynamic_linker_section_ fields.  Add order and set_order
6282         functions.  Remove is_relro_local, set_is_relro_local,
6283         is_last_relro, set_is_last_relro, is_first_non_relro,
6284         set_is_first_non_relro functions, is_interp, set_is_interp,
6285         is_dynamic_linker_section, and set_is_dynamic_linker_section
6286         functions.
6287         (class Output_segment): Change Output_data_list from std::list to
6288         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6289         output_bss_ fields.  Update declarations.
6290
6291 2010-08-02  Ian Lance Taylor  <iant@google.com>
6292
6293         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6294         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6295         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6296
6297 2010-08-02  Ian Lance Taylor  <iant@google.com>
6298
6299         PR 11855
6300         * script.cc (Script_options::Script_options): Initialize
6301         symbol_definitions_ and symbol_references_.
6302         (Script_options::add_symbol_assignment): Update
6303         symbol_definitions_ and symbol_references_.
6304         (Script_options::add_symbol_reference): New function.
6305         (script_symbol): New function.
6306         * script.h (class Script_options): Add symbol_definitions_ and
6307         symbol_references_ fields.
6308         (Script_options::referenced_const_iterator): New type.
6309         (Script_options::referenced_begin): New function.
6310         (Script_options::referenced_end): New function.
6311         (Script_options::is_referenced): New function.
6312         (Script_options::any_unreferenced): New function.
6313         * script-c.h (script_symbol): Declare.
6314         * yyscript.y (exp): Call script_symbol.
6315         * symtab.cc: Include "script.h".
6316         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6317         Change all callers.  Check symbols referenced by scripts.
6318         (Symbol_table::add_undefined_symbols_from_command_line): Add
6319         layout parameter.  Change all callers.
6320         (Symbol_table::do_add_undefined_symbols_from_command_line):
6321         Likewise.  Break out loop body.  Check symbols referenced by
6322         scripts.
6323         (Symbol_table::add_undefined_symbol_from_command_line): New
6324         function broken out of
6325         do_add_undefined_symbols_from_command_line.
6326         * symtab.h (class Symbol_table): Update declarations.
6327         * archive.cc: Include "layout.h".
6328         (Archive::should_include_member): Add layout parameter.  Change
6329         all callers.  Check for symbol mentioned in expression.
6330         * archive.h (class Archive): Update declaration.
6331         * object.cc (Sized_relobj::do_should_include_member): Add layout
6332         parameter.
6333         * object.h (Object::should_include_member): Add layout parameter.
6334         Change all callers.
6335         (Object::do_should_include_member): Add layout parameter.
6336         (class Sized_relobj): Update declaration.
6337         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6338         parameter.
6339         * dynobj.h (class Sized_dynobj): Update declaration.
6340         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6341         layout parameter.
6342         * plugin.h (class Sized_pluginobj): Update declaration.
6343
6344 2010-08-02  Ian Lance Taylor  <iant@google.com>
6345
6346         PR 11866
6347         * output.cc (Output_segment::set_offset): Search for the first and
6348         last sections rather than assuming that the list is in order.
6349         (Output_segment::find_first_and_last_list): New function.
6350         * output.h (class Output_segment): Update declarations.
6351         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6352         (relro_strip_test_SOURCES): New variable.
6353         (relro_strip_test_DEPENDENCIES): New variable.
6354         (relro_strip_test_LDFLAGS): New variable.
6355         (relro_strip_test_LDADD): New variable.
6356         (relro_strip_test.so): New target.
6357
6358 2010-08-02  Ian Lance Taylor  <iant@google.com>
6359
6360         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6361         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6362         (Target_i386::got_tlsdesc_section): New function.
6363         (Target_i386::got_section): Create space for GOT entries for
6364         TLSDESC relocations.
6365         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6366         R_386_TLS_GOTDESC.
6367         (Target_i386::Scan::global): Likewise.
6368         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6369         using TLSDESC GOT.
6370         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6371         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6372         (Target_x86_64::got_tlsdesc_section): New function.
6373         (Target_x86_64::got_section): Create space for GOT entries for
6374         TLSDESC relocations.
6375         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6376         R_386_TLS_GOTDESC.
6377         (Target_x86_64::Scan::global): Likewise.
6378         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6379         using TLSDESC GOT.
6380
6381 2010-08-02  Ian Lance Taylor  <iant@google.com>
6382
6383         * testsuite/final_layout.sh: Use dc to convert from hex to
6384         decimal.
6385
6386 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6387
6388         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6389         paramter to the call to gold::gc_process_relocs.
6390         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6391         paramter to the call to gold::gc_process_relocs.
6392         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6393         parameter to the call to gold::gc_process_relocs.
6394         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6395         template parameter to the call to gold::gc_process_relocs.
6396         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6397         paramter to the call to gold::gc_process_relocs.
6398         * gc.h (get_embedded_addend_size): New function.
6399         (gc_process_relocs): Save the size of the reloc for use by ICF.
6400         * icf.cc (get_section_contents): Get the addend from the text section
6401         for SHT_REL relocation sections.
6402         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6403         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6404         * int_encoding.h (read_from_pointer): New overloaded function.
6405         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6406         * testsuite/icf_sht_rel_addend_test.sh: New file.
6407         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6408         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6409
6410 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6411
6412         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6413         * Makefile.in: Regenerate.
6414         * testsuite/Makefile.in: Regenerate.
6415
6416 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6417
6418         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6419         * gold/testsuite/debug_msg.cc: Likewise.
6420         * gold/testsuite/odr_violation1.cc
6421         * gold/testsuite/odr_violation2.cc
6422
6423 2010-07-21  Cary Coutant  <ccoutant@google.com>
6424
6425         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6426         string, and length fields.
6427         (Output_merge_string::Merged_strings_list): New type.
6428         (Output_merge_string::Merged_strings_lists): New typedef.
6429         (Output_merge_string): Replace merged_strings_ with
6430         merged_strings_lists_.
6431         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6432         Merged_strings_list per input object and section.  Don't store pointer
6433         to the string.  Don't store length with each merged string entry.
6434         (Output_merge_string::finalize_merged_data): Loop over list of merged
6435         strings lists.  Recompute length of each merged string.
6436
6437 2010-07-15  Cary Coutant  <ccoutant@google.com>
6438
6439         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6440         here.
6441
6442 2010-07-14  Ian Lance Taylor  <iant@google.com>
6443
6444         * descriptors.cc (Descriptors::open): Report correct name in error
6445         message.
6446
6447 2010-07-13  Doug Kwan  <dougkwan@google.com>
6448
6449         * arm.cc (Arm_input_section::Arm_input_section): For a
6450         SHT_ARM_EXIDX section, always keeps the input sections.
6451         (Arm_input_section::set_exidx_section_link): New method.
6452         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6453         has_errors_ to false.
6454         (Arm_exidx_input_section::has_errors,
6455         Arm_exidx_input_section::set_has_errors): New methods.
6456         (Arm_exidx_input_section::has_errors_): New data member.
6457         (Arm_relobj::get_exidx_shndx_list): New method.
6458         (Arm_output_section::append_text_sections_to_list): Do not skip
6459         section without SHF_EXECINSTR.
6460         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6461         errors.
6462         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6463         section header.  Make error messages more verbose.  Check for
6464         a non-executable section linked to an EXIDX section.
6465         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6466         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6467         check that there is no deferred EXIDX section if we exit early.
6468         Instead of not making an EXIDX section in case of an error, make one
6469         and set the has_errors flag of it.
6470         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6471         in a relocatable link.
6472         (Target_arm::do_relax): Look for the EXIDX output section instead of
6473         assuming that it is called .ARM.exidx.
6474         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6475         section list.  Do not check for SHF_EXECINSTR section flags but
6476         skip any input section with errors.
6477         * output.cc (Output_section::Output_section): Initialize
6478         always_keeps_input_sections_ to false.
6479         (Output_section::add_input_section): Check for
6480         always_keeps_input_sections_.
6481         *  output.h (Output_section::always_keeps_input_sections,
6482         Output_section::set_always_keeps_input_sections): New methods.
6483         (Output_section::always_keeps_input_sections): New data member.
6484
6485 2010-07-13  Rafael Espindola  <espindola@google.com>
6486
6487         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6488         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6489
6490 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6491             Ian Lance Taylor  <iant@google.com>
6492
6493         * output.h (Output_section_lookup_maps::add_merge_section):
6494         Correct check of whether value was inserted.
6495         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6496         (Output_section_lookup_maps::add_relaxed_input_section):
6497         Likewise.
6498         * arm.cc (Target_arm::got_section): Remove used local os.
6499         * i386.cc (Target_i386::got_section): Likewise.
6500         * x86_64.cc (Target_x86_64::got_section): Likewise.
6501         * sparc.cc (Target_sparc::got_section): Likewise.
6502         (Target_sparc::relocate): Remove unused local have_got_offset.
6503         * powerpc.cc (Target_powerpc::relocate): Likewise.
6504
6505 2010-07-13  Ian Lance Taylor  <iant@google.com>
6506
6507         * compressed_output.cc (zlib_decompress): Fix signature in
6508         !HAVE_ZLIB_H case.
6509
6510         * archive.cc (Archive::include_member): Unlock an external member
6511         of a thin archive.  Don't bother to delete an object we know is
6512         NULL.
6513
6514 2010-07-12  Cary Coutant  <ccoutant@google.com>
6515
6516         * compressed_output.cc (zlib_decompress): New function.
6517         (get_uncompressed_size): New function.
6518         (decompress_input_section): New function.
6519         * compressed_output.h (get_uncompressed_size): New function.
6520         (decompress_input_section): New function.
6521         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6522         Handle compressed debug sections.
6523         * layout.cc (is_compressed_debug_section): New function.
6524         (Layout::output_section_name): Map compressed section names to
6525         canonical names.
6526         * layout.h (is_compressed_debug_section): New function.
6527         (is_debug_info_section): Recognize compressed debug sections.
6528         * merge.cc: Include compressed_output.h.
6529         (Output_merge_data::do_add_input_section): Handle compressed
6530         debug sections.
6531         (Output_merge_string::do_add_input_section): Handle compressed
6532         debug sections.
6533         * object.cc: Include compressed_output.h.
6534         (Sized_relobj::Sized_relobj): Initialize new data members.
6535         (build_compressed_section_map): New function.
6536         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6537         * object.h (Object::section_is_compressed): New method.
6538         (Object::do_section_is_compressed): New method.
6539         (Sized_relobj::Compressed_section_map): New type.
6540         (Sized_relobj::do_section_is_compressed): New method.
6541         (Sized_relobj::compressed_sections_): New data member.
6542         * output.cc (Output_section::add_input_section): Handle compressed
6543         debug sections.
6544         * reloc.cc: Include compressed_output.h.
6545         (Sized_relobj::write_sections): Handle compressed debug sections.
6546
6547 2010-07-08  Cary Coutant  <ccoutant@google.com>
6548
6549         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6550         weak when resolving to a dynamic def.
6551         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6552         for weak undef/dynamic def cases. Adjust callers.
6553         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6554         undef_binding_weak_.
6555         (Symbol_table::sized_write_globals): Adjust symbol binding.
6556         (Symbol_table::sized_write_symbol): Add binding parameter.
6557         * symtab.h (Symbol::set_undef_binding): New method.
6558         (Symbol::is_undef_binding_weak): New method.
6559         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6560         (Symbol_table::should_override): Add new parameter.
6561         (Symbol_table::sized_write_symbol): Add new parameter.
6562
6563         * testsuite/weak_undef_file1.cc: Add new test case.
6564         * testsuite/weak_undef_file2.cc: Fix header comment.
6565         * testsuite/weak_undef_test.cc: Add new test case.
6566
6567 2010-06-29  Doug Kwan  <dougkwan@google.com>
6568
6569         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6570         Initialize USE_SYMBOL_.
6571         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6572         definition.
6573         (Arm_reloc_property::uses_symbol_): New data member declaration.
6574         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6575         uses symbol value and symbol is undefined but not weakly undefined.
6576
6577 2010-06-28  Rafael Espindola  <espindola@google.com>
6578
6579         * plugin.cc (Plugin::load): Use dlerror.
6580
6581 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6582
6583         * symtab.cc (detect_odr_violations): When reporting an ODR
6584         violation, report an object where the symbol is defined.
6585
6586 2010-06-25  Doug Kwan  <dougkwan@google.com>
6587
6588         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6589         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6590         definition.
6591         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6592         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6593         target hook to detect function points.
6594         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6595         * icf.h (Icf::check_section_for_function_pointers): Change type of
6596         parameter SECTION_NAME to const reference to std::string.  Use
6597         target hook to determine if section may have unsafe pointers.
6598         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6599         method definition.
6600
6601 2010-06-21  Rafael Espindola  <espindola@google.com>
6602
6603         * fileread.cc (Input_file::find_fie): New
6604         (Input_file::open): Use Input_file::find_fie.
6605         * fileread.h (Input_file::find_fie): New
6606         * plugin.cc (set_extra_library_path): New.
6607         (Plugin::load): Add set_extra_library_path to the transfer vector.
6608         (Plugin_manager::set_extra_library_path): New.
6609         (Plugin_manager::add_input_file): Use the extra search path if set.
6610         (set_extra_library_path(): New.
6611         * plugin.h (Plugin_manager): Add set_extra_library_path and
6612         extra_search_path_.
6613
6614 2010-06-19  Cary Coutant  <ccoutant@google.com>
6615
6616         * layout.cc (gdb_sections): Add .debug_types.
6617         (lines_only_debug_sections): Likewise.
6618
6619 2010-06-18  Rafael Espindola  <espindola@google.com>
6620
6621         * plugin.cc (add_input_file,add_input_library)
6622         (Plugin_manager::add_input_file): Make filename arguments const.
6623         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6624         const.
6625
6626 2010-06-16  Doug Kwan  <dougkwan@google.com>
6627
6628         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6629         .ARM.attributes section if we have not merged any input
6630         attributes sections.
6631
6632 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6633
6634         * arm.cc: Allow combining objects with no EABI version
6635         information.
6636
6637 2010-06-15  Rafael Espindola  <espindola@google.com>
6638
6639         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6640
6641 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6642
6643         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6644         (struct iovec): Correct !HAVE_READV definition.
6645
6646 2010-06-10  Cary Coutant  <ccoutant@google.com>
6647
6648         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6649         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6650         reloc sections.
6651         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6652
6653         PR 11683
6654         * symtab.h (Symbol::is_placeholder): New member function.
6655         * target-reloc.h (relocate_section): Check for placeholder symbols.
6656
6657         * testsuite/Makefile.am (plugin_test_8): New test.
6658         (plugin_test_9): New test.
6659         * testsuite/Makefile.in: Regenerate.
6660
6661 2010-06-09  Nick Clifton  <nickc@redhat.com>
6662
6663         * yyscript.y (input_list_element): Allow strings prefixed with
6664         the '-' character.  Treat these as libraries.
6665         * script.cc (script_add_library): New function.  Adds a library
6666         specified by "-l<name>" found in an input script.
6667         * script-c.h: Add prototype for script_add_library.
6668
6669 2010-06-07  Doug Kwan  <dougkwan@google.com>
6670
6671         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6672         Restrict stub-group size to be within long conditional branch
6673         range when working around cortex-A8 erratum.
6674
6675 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6676
6677         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6678         #ifdef typo.
6679
6680 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6681
6682         PR gold/11658
6683         * output.cc
6684         (Output_section::Input_section_sort_entry::compare_section_ordering):
6685         Change to return non-zero correctly.
6686         (Output_section::Input_section_sort_section_order_index_compare
6687         ::operator()): Change to fix ambiguity in comparisons.
6688
6689 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6690
6691         * gold.h (is_wildcard_string): New function.
6692         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6693         (Layout::layout_eh_frame): Ditto.
6694         (Layout::find_section_order_index): New method.
6695         (Layout::read_layout_from_file): New method.
6696         * layout.h (Layout::find_section_order_index): New method.
6697         (Layout::read_layout_from_file): New method.
6698         (Layout::input_section_position_): New private member.
6699         (Layout::input_section_glob_): New private member.
6700         * main.cc (main): Call read_layout_from_file here.
6701         * options.h (--section-ordering-file): New option.
6702         * output.cc (Output_section::input_section_order_specified_): New
6703         member.
6704         (Output_section::Output_section): Initialize new member.
6705         (Output_section::add_input_section): Add new parameter.
6706         Keep input sections when --section-ordering-file is used.
6707         (Output_section::set_final_data_size): Sort input sections when
6708         section ordering file is specified.
6709         (Output_section::Input_section_sort_entry): Add new parameter.
6710         Check sorting type.
6711         (Output_section::Input_section_sort_entry::compare_section_ordering):
6712         New method.
6713         (Output_section::Input_section_sort_compare::operator()): Change to
6714         consider section_order_index.
6715         (Output_section::Input_section_sort_init_fini_compare::operator()):
6716         Change to consider section_order_index.
6717         (Output_section::Input_section_sort_section_order_index_compare
6718         ::operator()): New method.
6719         (Output_section::sort_attached_input_sections): Change to sort
6720         according to section order when specified.
6721         (Output_section::add_input_section<32, true>): Add new parameter.
6722         (Output_section::add_input_section<64, true>): Add new parameter.
6723         (Output_section::add_input_section<32, false>): Add new parameter.
6724         (Output_section::add_input_section<64, false>): Add new parameter.
6725         * output.h (Output_section::add_input_section): Add new parameter.
6726         (Output_section::input_section_order_specified): New
6727         method.
6728         (Output_section::set_input_section_order_specified): New method.
6729         (Input_section::Input_section): Initialize section_order_index_.
6730         (Input_section::section_order_index): New method.
6731         (Input_section::set_section_order_index): New method.
6732         (Input_section::section_order_index_): New member.
6733         (Input_section::Input_section_sort_section_order_index_compare): New
6734         struct.
6735         (Output_section::input_section_order_specified_): New member.
6736         * script-sections.cc (is_wildcard_string): Delete and move modified
6737         method to gold.h.
6738         (Output_section_element_input::Output_section_element_input): Modify
6739         call to is_wildcard_string.
6740         (Output_section_element_input::Input_section_pattern
6741         ::Input_section_pattern): Ditto.
6742         (Output_section_element_input::Output_section_element_input): Ditto.
6743         * testsuite/Makefile.am (final_layout): New test case.
6744         * testsuite/Makefile.in: Regenerate.
6745         * testsuite/final_layout.cc: New file.
6746         * testsuite/final_layout.sh: New file.
6747
6748 2010-06-01  Rafael Espindola  <espindola@google.com>
6749
6750         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6751
6752 2010-06-01  Rafael Espindola  <espindola@google.com>
6753
6754         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6755         visibility of symbols.
6756
6757 2010-05-27  Doug Kwan  <dougkwan@google.com>
6758
6759         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6760         from start of output section instead of address for a local symbol
6761         in a merged or relaxed section when doing a relocatable link.
6762
6763 2010-05-26  Rafael Espindola  <espindola@google.com>
6764
6765         PR 11604
6766         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6767         adding sections the garbage collector removed.
6768         * gold/testsuite/Makefile.am: Add test.
6769         * gold/testsuite/Makefile.in: Regenerate.
6770         * gold/testsuite/plugin_test_7.sh: New.
6771         * gold/testsuite/plugin_test_7_1.c: New.
6772         * gold/testsuite/plugin_test_7_2.c: New.
6773
6774 2010-05-26  Rafael Espindola  <espindola@google.com>
6775
6776         * script-sections.cc (Output_section_definition::set_section_addresses):
6777         Check for --section-start.
6778
6779 2010-05-26  Doug Kwan  <dougkwan@google.com>
6780
6781         * arm.cc (Arm_scan_relocatable_relocs): New class.
6782         (Target_arm::relocate_special_relocatable): New method.
6783         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6784         (Arm_relocate_functions::thumb_branch_common): Same.
6785         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6786         instead of Default_scan_relocatable_relocs.
6787         * target-reloc.h (relocate_for_relocatable): Let target handle
6788         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6789         * target.h (Sized_target::relocate_special_relocatable): New method.
6790
6791 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6792
6793         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6794
6795 2010-05-23  Doug Kwan  <dougkwan@google.com>
6796
6797         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6798         instead of a cast.
6799         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6800         with a direct branch, not a conditional branch, to a stub.
6801         * merge.cc (Output_merge_base::record_input_section): New method
6802         defintion.
6803         (Output_merge_data::do_add_input_section): Record input section if
6804         keeps-input-sections flag is set.
6805         (Output_merge_string::do_add_input_section): Ditto.
6806         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6807         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6808         INPUT_SECTIONS_.
6809         (Output_merge_base::keeps_input_sections,
6810         Output_merge_base::set_keeps_input_sections,
6811         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6812         method definitions.
6813         (Output_merge_base::Input_sections): New type declaration.
6814         (Output_merge_base::input_sections_begin,
6815         Output_merge_base::input_sections_end,
6816         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6817         (Output_merge_base::bool keeps_input_sections_,
6818         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6819         Output_merge_base::input_sections_): New data members.
6820         (Output_merge_data::do_set_keeps_input_sections): New method
6821         defintion.
6822         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6823         * output.cc (Output_section::Input_section::relobj): Move method
6824         defintion from class declaration to here and handle merge sections.
6825         (Output_section::Input_section::shndx): Ditto.
6826         (Output_section::Output_section): Remove initializations of removed
6827         data members and initialize new data member LOOKUP_MAPS_.
6828         (Output_section::add_input_section): Set keeps-input-sections flag
6829         for a newly created merge output section as appropriate.  Adjust code
6830         to use Output_section_lookup_maps class.
6831         (Output_section::add_relaxed_input_section): Adjst code for lookup
6832         maps code refactoring.
6833         (Output_section::add_merge_input_section): Add a new parameter
6834         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6835         class.  If adding input section to a newly created merge output
6836         section fails, remove the new merge section.
6837         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6838         Adjust code for use of the Output_section_lookup_maps class.
6839         (Output_section::find_merge_section): Ditto.
6840         (Output_section::build_lookup_maps): New method defintion.
6841         (Output_section::find_relaxed_input_section): Adjust code to use
6842         Output_section_lookup_maps class.
6843         (Output_section::get_input_sections): Export merge sections.  Adjust
6844         code to use Output_section_lookup_maps class.
6845         (Output_section:::add_script_input_section): Adjust code to use
6846         Output_section_lookup_maps class.  Update lookup maps for merge
6847         sections also.
6848         (Output_section::discard_states): Use Output_section_lookup_maps.
6849         (Output_section::restore_states): Same.
6850         * output.h (Merge_section_properties): Move class defintion out of
6851         Output_section.
6852         (Output_section_lookup_maps): New class.
6853         (Output_section::Input_section::is_merge_section): New method
6854         defintion.
6855         (Output_section::Input_section::relobj): Move defintion out of class
6856         defintion.  Declare method only.
6857         (Output_section::Input_section::shndx): Ditto.
6858         (Output_section::Input_section::output_merge_base): New method defintion.
6859         (Output_section::Input_section::u2_.pomb): New union field.
6860         (Output_section::Merge_section_by_properties_map,
6861         Output_section::Output_section_data_by_input_section_map,
6862         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6863         Remove types.
6864         (Output_section::add_merge_input_section): Add new parameter
6865         KEEPS_INPUT_SECTIONS.
6866         (Output_section::build_lookup_maps): New method declaration.
6867         (Output_section::merge_section_map_,
6868         Output_section::merge_section_by_properties_map_,
6869         Output_section::relaxed_input_section_map_,
6870         Output_section::is_relaxed_input_section_map_valid_): Remove data
6871         members.
6872         (Output_section::lookup_maps_): New data member.
6873
6874 2010-05-21  Doug Kwan  <dougkwan@google.com>
6875
6876         PR gold/11619
6877         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6878         avoid a compilation error.
6879
6880 2010-05-19  Rafael Espindola  <espindola@google.com>
6881
6882         * script-sections.cc (Output_section_definition::allocate_to_segment):
6883         Update the phdrs_list even when the output section is NULL.
6884         * testsuite/Makefile.am: Add test.
6885         * testsuite/Makefile.in: Regenerate.
6886         * testsuite/script_test_9.cc: New.
6887         * testsuite/script_test_9.sh: New.
6888         * testsuite/script_test_9.t: New.
6889
6890 2010-05-19  Doug Kwan  <dougkwan@google.com>
6891
6892         * arm.cc (Arm_input_section::original_size): New method.
6893         (Arm_input_section::do_addralign): Add a cast.
6894         (Arm_input_section::do_output_offset): Remove static cast.
6895         (Arm_input_section::original_addralign,
6896          Arm_input_section::original_size_): Change type to uint32_t.
6897         (Arm_input_section::init): Add safe casts for section alignment
6898         and size.
6899         (Arm_input_section::set_final_data_size): Do not set address and
6900         offset of stub table.
6901         (Arm_output_section::fix_exidx_coverage): Change use of of
6902         Output_section::Simple_input_section to that of
6903         Output_section::Input_section.
6904         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6905         except for the first pass.
6906         * output.cc (Output_section::get_input_sections): Change type of
6907         input_sections to std::list<Input_section>.
6908         (Output_section::add_script_input_section): Rename from
6909         Output_section::add_simple_input_section.  Change type of SIS
6910         parameter from Simple_input_section to Input_section.
6911         * output.h (Output_section::Simple_input_section): Remove class.
6912         (Output_section::Input_section): Change class visibility to public.
6913         (Output_section::Input_section::addralign): Use stored alignments
6914         for special input sections if set.
6915         (Output_section::Input_section::set_addralign): New method.
6916         (Output_section::get_input_sections): Change parameter type from
6917         list of Simple_input_section to list of Input_section.
6918         (Output_section::add_script_input_section): Rename from
6919         Output_section::add_simple_input_section. Change first parameter's
6920         type from Simple_input_section to Input_section and remove the
6921         second and third parameters.
6922         * script-sections.cc (Input_section::Input_section_list): Change
6923         type to list of Output_section::Input_section/
6924         (Input_section_info::Input_section_info): Change parameter type of
6925         INPUT_SECTION to Output_section::Input_section.
6926         (Input_section_info::input_section): Change return type.
6927         (Input_section_info::input_section_): Change type to
6928         Output_section::Input_section.
6929         (Output_section_element_input::set_section_addresses): Adjust code
6930         to use Output_section::Input_section instead of
6931         Output_section::Simple_input_section.  Adjust code for renaming
6932         of Output_section::add_simple_input_section.
6933         (Orphan_output_section::set_section_addresses): Ditto.
6934
6935 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6936
6937         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6938         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6939
6940 2010-05-18  Rafael Espindola  <espindola@google.com>
6941
6942         * options.cc (General_options::finalize): Handle -nostdlib.
6943         * options.h (nostdlib): New option.
6944         * script.cc (script_add_search_dir): Handle -nostdlib.
6945
6946 2010-05-12  Doug Kwan  <dougkwan@google.com>
6947
6948         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6949         attributes section only if there no attributes section after merging.
6950         (Target_arm::merge_object_attributes): Move value of
6951         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6952         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6953         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6954         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6955         and arm_attr_merge_7.stdout.
6956         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6957         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6958         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6959         arm_attr_merge_7b.o): New rules.
6960         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6961         arm_attr_merge_7
6962         * testsuite/Makefile.in: Regenerate.
6963         * testsuite/arm_attr_merge.sh: New file.
6964         * testsuite/arm_attr_merge_[67][ab].s: Same.
6965
6966 2010-05-05  Nick Clifton  <nickc@redhat.com>
6967
6968         * po/es.po: Updated Spanish translation.
6969
6970 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6971
6972         * Makefile.am (install-exec-local): Properly install gold as
6973         default cross linker.
6974         * Makefile.in: Regenerated.
6975
6976 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6977             Nick Clifton  <nickc@redhat.com>
6978
6979         * configure.ac (install_as_default): Define and set to false
6980         unless --enable-gold or --enable-gold=both/gold has been
6981         specified.
6982         * configure: Regenerate.
6983
6984         * Makefile.am (install-exec-local): Install the executable as
6985         'ld.gold'.  If install_as_default is true then also install it as
6986         'ld'.
6987         * Makefile.in: Regenerated.
6988
6989 2010-04-24  Ian Lance Taylor  <iant@google.com>
6990
6991         * layout.cc (Layout::layout_reloc): In relocatable link don't
6992         combine reloc sections for grouped sections.
6993
6994 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6995
6996         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6997         sections that are not ordinary to icf.
6998         * icf.cc (get_section_contents): Handle relocation pointing to section
6999         with no object or shndx information.
7000         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7001         * testsuite/Makefile.in: Regenerate.
7002         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7003         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7004
7005 2010-04-22  Ian Lance Taylor  <iant@google.com>
7006
7007         * expression.cc (Expression::Expression_eval_info): Add
7008         result_alignment_pointer field.
7009         (Expression::eval_with_dot): Add result_alignment_pointer
7010         parameter.  Change all callers.
7011         (Expression::eval_maybe_dot): Likewise.
7012         (class Binary_expression): Add alignment_pointer parameter to
7013         left_value and right_value.  Change all callers.
7014         (BINARY_EXPRESSION): Set result alignment.
7015         (class Trinary_expression): Add alignment_pointer parameter to
7016         arg2_value and arg3_value.  Change all callers.
7017         (Trinary_cond::value): Set result alignment.
7018         (Max_expression::value, Min_expression::value): Likewise.
7019         (Align_expression::value): Likewise.
7020         * script-sections.cc (class Sections_element): Add dot_alignment
7021         parameter to set_section_addresses virtual function.  Update
7022         instantiations.
7023         (class Output_section_element): Likewise.
7024         (Script_sections::create_segments): Add dot_alignment parameter.
7025         Change all callers.
7026         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7027         (Script_sections::set_phdrs_clause_addresses): Likewise.
7028         * script-sections.h: Update declarations.
7029         * script.h: Update declarations.
7030         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7031         min_p_align.
7032         * testsuite/script_test_3.t: Set large alignment.
7033         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7034         segment has expected alignment.
7035
7036 2010-04-22  Nick Clifton  <nickc@redhat.com>
7037
7038         * po/gold.pot: Updated by the Translation project.
7039         * po/vi.po: Updated Vietnamese translation.
7040
7041 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7042
7043         * testsuite/Makefile.am (check_PROGRAMS): Add
7044         icf_virtual_function_folding_test.
7045         * testsuite/Makefile.in: Regenerated.
7046
7047 2010-04-15  Andrew Haley  <aph@redhat.com>
7048
7049         * options.h (merge_exidx_entries): New option.
7050         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7051         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7052         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7053         (Target_arm::merge_exidx_entries): New function.
7054         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7055         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7056         to Arm_exidx_fixup constructor.
7057         Add new arg, merge_exidx_entries.
7058         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7059         Arm_output_section::fix_exidx_coverage.
7060
7061 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7062
7063         * icf.cc (get_section_contents): Check for preemptible functions.
7064         Ignore addend when appropriate.
7065         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7066         section folded.
7067         (add_from_relobj): Check for section folded.
7068         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7069         * symtab.h (should_add_dynsym_entry): Add new parameter.
7070         * target-reloc.h (scan_relocs): Check for section folded.
7071         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7072         Check reloc types for function pointers in shared objects.
7073         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7074         case.
7075         (icf_preemptible_functions_test): New test case.
7076         (icf_string_merge_test): New test case.
7077         * testsuite.Makefile.in: Regenerate.
7078         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7079         bar_glob.  Refactor code.
7080         * testsuite/icf_preemptible_functions_test.cc: New file.
7081         * testsuite/icf_preemptible_functions_test.sh: New file.
7082         * testsuite/icf_string_merge_test.cc: New file.
7083         * testsuite/icf_string_merge_test.sh: New file.
7084         * testsuite/icf_virtual_function_folding_test.cc: New file.
7085         * testsuite/icf_virtual_function_folding_test.sh: New file.
7086
7087 2010-04-14  Doug Kwan  <dougkwan@google.com>
7088
7089         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7090         for local symbol recounting if we remove a section due to ICF.
7091         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7092         there are no regular objects in input.
7093
7094 2010-04-13  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (Arm_input_section::set_final_data_size): Compute
7097         accurate final data size instead of using current data size.
7098
7099 2010-04-09  Doug Kwan  <dougkwan@google.com>
7100
7101         * layout.cc (Layout::choose_output_section): Handle script section
7102         types.
7103         (Layout::make_output_section_for_script): Add section type parameter.
7104         Handle script section types.
7105         * layout.h (Layout::make_output_section_for_script): Add section
7106         type parameter.
7107         * output.cc (Output_section::Output_section): Initialize data member
7108         is_noload_.
7109         (Output_section::do_reset_address_and_file_offset): Do not set address
7110         to 0 if section is a NOLOAD section.
7111         * output.h (Output_section::is_noload): New method.
7112         (Output_section::set_is_noload): Ditto.
7113         (Output_section::is_noload_): New data member.
7114         * script-c.h (Script_section_type): New enum type.
7115         (struct Parser_output_section_header): Add new file section_type.
7116         * script-sections.cc (Sections_element::output_section_name): Add
7117         parameter for returning script section type.
7118         (Output_section_definition::output_section_name): Ditto.
7119         (Output_section_definition::section_type)P; New method.
7120         (Output_section_definiton::script_section_type_name): Ditto.
7121         (Output_section_definition::script_section_type_): New data member.
7122         (Output_section_definition::Output_section_definition): Initialize
7123         data member Output_section_definition::script_section_type_.
7124         (Output_section_definition::create_sections): Pass script section type
7125         to Layout::make_output_section_for_script.
7126         (Output_section_definition::output_section_name): Return script
7127         section type to caller.
7128         (Output_section_definition::set_section_address): Do not advance
7129         dot value and load address if section type is NOLOAD.  Set address
7130         of NOLOAD sections regardless of section flags.
7131         (Output_section_definition::print): Print section type if it is
7132         not SCRIPT_SECTION_TYPE_NONE.
7133         (Output_section_definition::section_type): New method.
7134         (Output_section_definition::script_section_type_name): Ditto.
7135         (Script_sections::output_section_name): Add new parameter
7136         PSECTION_TYPE for returning script section type.  Pass it to
7137         section elements.  Handle discard sections.
7138         (Sort_output_sections::operator()): Handle NOLOAD sections.
7139         * script-sections.h (Script_sections::Section_type): New enum type.
7140         (Script_sections::output_section_name): Add a new parameter for
7141         returning script section type.
7142         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7143         INFO and NOLOAD.
7144         * yyscript.y (union): Add new field SECTION_TYPE.
7145         (COPY, DSECT, INFO, NOLOAD): New tokens.
7146         (opt_address_and_section_type): Change type to output_section_header.
7147         (section_type): New non-terminal
7148         (section_header): Handle section type.
7149         (opt_address_and_section_type): Return section type value.
7150
7151 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7152
7153         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7154         * testsuite/plugin_common_test_2.c (foo): Likewise.
7155
7156 2010-04-08  Doug Kwan  <dougkwan@google.com>
7157
7158         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7159         Output_merge_data.
7160         * output.cc (Output_section::add_merge_input_section): Simplify
7161         code and return status of Output_merge_base::add_input_section.
7162         Update merge section map only if Output_merge_base::add_input_section
7163         returns true.
7164
7165 2010-04-07  Doug Kwan  <dougkwan@google.com>
7166
7167         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7168         if section is marked as containing instructions but has no mapping
7169         symbols.
7170         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7171         correct section index.
7172         (Arm_relobj::find_linked_text_section): Ditto.
7173
7174 2010-04-07  Cary Coutant  <ccoutant@google.com>
7175
7176         * archive.cc (include_member): Destroy Read_symbols_data object before
7177         releasing file.
7178         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7179         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7180         (Read_symbols_data::~Read_symbols_data) New destructor.
7181         (Section_relocs::Section_relocs) New constructor.
7182         (Section_relocs::~Section_relocs) New destructor.
7183         (Read_relocs_data::Read_relocs_data) New constructor.
7184         (Read_relocs_data::~Read_relocs_data) New destructor.
7185         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7186         pointers to NULL after deleting.
7187
7188 2010-04-07  Doug Kwan  <dougkwan@google.com>
7189
7190         * arm.cc: Replace "endianity" with "endianness" in comments.
7191         (Arm_exidx_cantunwind): Ditto.
7192         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7193         (Arm_relobj::merge_flags_and_attributes): New method.
7194         (Arm_relobj::merge_flags_and_attributes_): New data member.
7195         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7196         (Arm_relobj::scan_sections_for_stubs): Ditto.
7197         (Arm_relobj::do_read_symbols): Check to see if we really want to
7198         merge processor-specific flags and attributes.  Exit early if
7199         an object is empty except for section names and the undefined symbol.
7200         (Target_arm::do_finalize_sections): Move check for ELF format to
7201         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7202         attributes from a regular object only when we have determined that
7203         it is aapropriate.  Do not create an .ARM.attributes section in
7204         output if there is no regular input object.
7205         (Target_arm::merge_processor_specific_flags): Check
7206         --warn-mismatch before printing any error.
7207         (Target_arm::merge_object_attributes): Ditto.
7208         * gold.cc (queue_middle_tasks): Handle the case in which there is
7209         no regular object in input.
7210         * options.cc (General_options::parse_EB): New method.
7211         (General_options::parse_EL): Same.
7212         (General_options::General_options): Initialize endianness_.
7213         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7214         New options.
7215         (General_options::Endianness): New enum.
7216         (General_options::endianness): New method.
7217         (General_options::endianness_): New data member.
7218         * parameters.cc (Parameters::set_options): Check target endianness.
7219         (Parameters::set_target_once): Ditto.
7220         (Parameters::check_target_endianness): New method.
7221         (parameters_force_valid_target): If either -EL or -EB is specified,
7222         use it to define endianness of default target.
7223         * parameters.h (Parameters::check_target_endianness): New method
7224         declaration.
7225         * target.h (class Target): Change "endianity" to "endianness"
7226         in comments.
7227
7228 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7229
7230         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
7231         * configure: Regenerate.
7232         * Makefile.in: Regenerate.
7233         * testsuite/Makefile.in: Regenerate.
7234
7235 2010-04-06  Cary Coutant  <ccoutant@google.com>
7236
7237         gcc PR lto/42757
7238         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
7239         prevailing definitions of common symbols.
7240         * testsuite/plugin_test_6.sh: New test case.
7241         * testsuite/plugin_common_test_1.c: New test case.
7242         * testsuite/plugin_common_test_2.c: New test case.
7243         * testsuite/Makefile.am (plugin_test_6): New test case.
7244         * testsuite/Makefile.in: Regenerate.
7245
7246 2010-04-06  Nick Clifton  <nickc@redhat.com>
7247
7248         * po/vi.po: New Vietnamese translation.
7249
7250 2010-03-30  Doug Kwan  <dougkwan@google.com>
7251
7252         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7253
7254 2010-03-25  Doug Kwan  <dougkwan@google.com>
7255
7256         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7257         to avoid a conversion warning on a 32-bit host.
7258
7259 2010-03-24  Ian Lance Taylor  <iant@google.com>
7260
7261         * testsuite/script_test_3.t: Add a TLS segment.
7262         * testsuite/Makefile.am (check_PROGRAMS): Add
7263         tls_phdrs_script_test.
7264         (tls_phdrs_script_test_SOURCES): Define.
7265         (tls_phdrs_script_test_DEPENDENCIES): Define.
7266         (tls_phdrs_script_test_LDFLAGS): Define.
7267         (tls_phdrs_script_test_LDADD): Define.
7268         * testsuite/Makefile.in: Rebuild.
7269
7270 2010-03-23  Cary Coutant  <ccoutant@google.com>
7271
7272         * fileread.cc (find_or_make_view): Fix comment.
7273
7274 2010-03-23  Ian Lance Taylor  <iant@google.com>
7275
7276         * script-sections.cc (class Orphan_section_placement): Define
7277         PLACE_TLS and PLACE_TLS_BSS.
7278         (Orphan_section_placement::Orphan_section_placement): Initialize
7279         new places.
7280         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7281         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7282         (tls_script_test_SOURCES): Define.
7283         (tls_script_test_DEPENDENCIES): Define.
7284         (tls_script_test_LDFLAGS): Define.
7285         (tls_script_test_LDADD): Define.
7286         * testsuite/Makefile.in: Rebuild.
7287
7288 2010-03-22  Doug Kwan  <dougkwan@google.com>
7289
7290         * arm.cc (Arm_relocate_functions::abs8,
7291         Arm_relocate_functions::abs16): Use correct check for overflow
7292         specified in the ARM ELF specs.
7293         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7294         target of a BLX instruction specially.
7295         (Reloc_stub::stub_type_for_reloc): Ditto.
7296         (Relocate::relocate): Use symbolic names instead of numeric relocation
7297         codes to report error.
7298         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7299         workaround.
7300         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7301         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7302         thumb2_blx_out_of_range.stdout
7303         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7304         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7305         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7306         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7307         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7308         thumb2_blx_in_range, thumb2_blx_in_range.o,
7309         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7310         thumb2_blx_out_of_range.o): New rules.
7311         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7312         thumb2_blx_in_range and thumb2_blx_out_of_range.
7313         * testsuite/Makefile.in: Regenerate.
7314         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7315         * testsuite/thumb_blx_in_range.s: New file.
7316         * testsuite/thumb_blx_out_of_range.s: New file.
7317
7318 2010-03-22  Rafael Espindola  <espindola@google.com>
7319
7320         * archive.cc (Should_include): Move to archive.h.
7321         (should_include_member): Make it a member of Archive.
7322         (Lib_group): New.
7323         (Add_lib_group_symbols): New.
7324         * archive.h: Include options.h.
7325         (Archive_member): Moved from Archive.
7326         (Should_include): Moved from archive.cc.
7327         (Lib_group): New.
7328         (Add_lib_group_symbols): New.
7329         * dynobj.cc (do_should_include_member): New.
7330         * dynobj.h (do_should_include_member): New.
7331         * gold.cc (queue_initial_tasks): Update call to queue.
7332         * main.cc (main): Print lib group stats.
7333         * object.cc (do_should_include_member): New.
7334         * object.h: Include archive.h.
7335         (Object::should_include_member): New.
7336         (Object::do_should_include_member): New.
7337         (Sized_relobj::do_should_include_member): New.
7338         * options.cc (General_options::parse_start_lib): New.
7339         (General_options::parse_end_lib): New.
7340         (Input_arguments::add_file): Handle lib groups.
7341         (Input_arguments::start_group): Check we are not in a lib.
7342         (Input_arguments::start_lib): New.
7343         (Input_arguments::end_lib): New.
7344         * options.h (General_options): Add start_lib and end_lib.
7345         (Input_argument::lib_): New.
7346         (Input_argument::lib): New.
7347         (Input_argument::is_lib): New.
7348         (Input_file_lib): New.
7349         (Input_arguments::in_lib_): New.
7350         (Input_arguments::in_lib): New.
7351         (Input_arguments::start_lib): New.
7352         (Input_arguments::end_lib_): New.
7353         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7354         in unused members as preempted.
7355         (Sized_pluginobj::do_should_include_member): New.
7356         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7357         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7358         return the blocker.
7359         (Read_symbols::do_whole_lib_group): New.
7360         (Read_symbols::do_lib_group): New.
7361         (Read_symbols::do_read_symbols): Handle lib groups.
7362         (Read_symbols::get_name): Handle lib groups.
7363         * readsyms.h (Read_symbols): Add an archive member pointer.
7364         (Read_symbols::do_whole_lib_group): New.
7365         (Read_symbols::do_lib_group): New.
7366         (Read_symbols::member_): New.
7367         * script.cc (read_input_script): Update call to queue_soon.
7368
7369 2010-03-19  Doug Kwan  <dougkwan@google.com>
7370
7371         * arm.cc (Stub_table::Stub_table): Initialize new data members
7372         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7373         (Stub_table::add_reloc_stub): Assign stub offset and update
7374         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7375         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7376         New data members.
7377         (Stub_table::update_data_size_and_addralign): Use
7378         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7379         instead of going over all reloc stubs.
7380         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7381         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7382         Stringpool_template::offset_ to size of Stringpool_char.
7383         (Stringpool_template::new_key_offset): Remove code to initialize
7384         Stringpool_template::offset_.
7385         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7386         Stringpool_template::offset_ to zero.
7387
7388 2010-03-15  Doug Kwan  <dougkwan@google.com>
7389
7390         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7391         offset_.
7392         (Stringpool_template::new_key_offset): New method.
7393         (Stringpool_template::add_string): Assign offsets when adding new
7394         strings.
7395         (Stringpool_template::set_string_offsets): Do not set string offsets
7396         when not optimizing.
7397         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7398         member size_.
7399         (Chunked_vector::clear): Clear size_.
7400         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7401         (Chunked_vector::size): Return size_.
7402         (Chunked_vector::push_back): Use size_ to find insert position.
7403         (Chunked_vector::size_): New data member.
7404         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7405         (Stringpool_template::new_key_offset): New method declaration.
7406         (Stringpool_template::offset_): New data member.
7407
7408 2010-03-15   Rafael Espindola  <espindola@google.com>
7409
7410         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7411         Add_symbols' constructor.
7412         * readsyms.h (Add_symbols): Remove the input_group member.
7413
7414 2010-03-10  Ian Lance Taylor  <iant@google.com>
7415
7416         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7417         target to ask whether a reference to a symbol requires a stack
7418         split.
7419         * target.h (Target::is_call_to_non_split): New function.
7420         (Target::do_is_call_to_non_split): Declare virtual function.
7421         * target.cc: Include "symtab.h".
7422         (Target::do_is_call_to_non_split): New function.
7423         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7424
7425 2010-03-10  Cary Coutant  <ccoutant@google.com>
7426
7427         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7428         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7429         (File_read::open[2]): Add whole_file_view_ to list of views.
7430         (File_read::make_view): Remove test of whole_file_view_.
7431         (File_read::find_or_make_view): Create whole_file_view_ if
7432         necessary.
7433         (File_read::clear_views): Replace bool parameter with enum;
7434         adjust all callers.  Don't delete views with permanent data;
7435         do delete cached views and views from archives if
7436         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7437         if clearing the corresponding view.
7438         * fileread.h (File_read::Clear_views_mode): New enum.
7439         (File_read::View::is_permanent_view): New method.
7440         (File_read::clear_views): Replace bool parameter
7441         with enum; adjust all callers.
7442         * options.h (General_options): Change keep_files_mapped option;
7443         add map_whole_files.
7444         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7445         releasing the file.
7446         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7447         the file.
7448
7449 2010-03-10  David S. Miller  <davem@davemloft.net>
7450
7451         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7452
7453 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7454
7455         * icf.cc (get_section_contents): Add '@' marker after processing the
7456         merge reloc.
7457
7458 2010-03-08  Doug Kwan  <dougkwan@google.com>
7459
7460         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7461         due to a conversion warning.
7462         (Arm_relobj::update_output_local_symbol_count): Check for local
7463         symbol with unset output index.
7464
7465 2010-03-05  Ian Lance Taylor  <iant@google.com>
7466
7467         * options.h (class General_options): Add --spare-dynamic-tags.
7468         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7469         --spare-dynamic-tags.
7470
7471 2010-03-05  Ian Lance Taylor  <iant@google.com>
7472
7473         * incremental.cc: Include "libiberty.h".
7474
7475 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7476
7477         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7478         function, is_info_ member.
7479         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7480         (Versions::Versions): Update caller.
7481         (Versions::define_base_version): Likewise.
7482         (Versions::add_def): Likewise.
7483
7484 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7485
7486         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7487         (Scan::possible_function_pointer_reloc): New function.
7488         (Scan::local_reloc_may_be_function_pointer): Change to call
7489         possible_function_pointer_reloc.
7490         (Scan::global_reloc_may_be_function_pointer): Ditto.
7491         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7492         relocations in ".data.rel.ro._ZTV" section.
7493         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7494         * testsuite/icf_safe_so_test.cc: Ditto.
7495         * testsuite/icf_safe_test.cc: Ditto.
7496         * testsuite/icf_safe_test.sh: Ditto.
7497
7498 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7499             Ian Lance Taylor  <iant@google.com>
7500
7501         * target-reloc.h (relocate_section): Check the symbol table index
7502         for -1U before setting the local symbol index.
7503         (scan_relocatable_relocs): If copying the relocation, record that
7504         the local symbol is required.
7505         * object.h (Symbol_value::is_output_symtab_index_set): New
7506         function.
7507         (Symbol_value::may_be_discarded_from_output_symtab): New
7508         function.
7509         (Symbol_value::has_output_symtab_entry): New function.
7510         (Symbol_value::needs_output_symtab_entry): Remove.
7511         (Symbol_value::output_symtab_index): Make sure the symbol index is
7512         set.
7513         (Symbol_value::set_output_symtab_index): Make sure the symbol
7514         index is not set.  Make sure the new index is valid.
7515         (Symbol_value::set_must_have_output_symtab_entry): New function.
7516         (Symbol_value::has_output_dynsym_entry): New function.
7517         (Symbol_value::set_output_dynsym_index): Make sure the new index
7518         is valid.
7519         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7520         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7521         local symbol if permitted.
7522         (Sized_relobj::do_finalize_local_symbols): Call
7523         is_output_symtab_index_set rather than needs_output_symtab_entry.
7524         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7525         rather than needs_output_symtab_entry.  Call
7526         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7527         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7528         is_output_symtab_index_set rather than needs_output_symtab_entry.
7529         * testsuite/discard_locals_relocatable_test.c: New file.
7530         * testsuite/discard_locals_test.sh: Test -r.
7531         * testsuite/Makefile.am (check_DATA): Add
7532         discard_locals_relocatable_test1.syms,
7533         discard_local_relocatable_test2.syms.
7534         (MOSTLYCLEANFILES): Likewise.  Also add
7535         discard_locals_relocatable_test1.lout and
7536         discard_locals_relocatable_test2.out.
7537         (discard_locals_relocatable_test1.syms): New target.
7538         (discard_locals_relocatable_test.o): New target.
7539         (discard_locals_relocatable_test1.out): New target.
7540         (discard_locals_relocatable_test2.syms): New target.
7541         (discard_locals_relocatable_test2.out): New target.
7542         (various): Add missing ../ld-new dependencies.
7543         * testsuite/Makefile.in: Rebuild.
7544
7545 2010-03-03  Nick Clifton  <nickc@redhat.com>
7546
7547         * po/fi.po: New Finnish translation.
7548
7549 2010-03-01  Doug Kwan  <dougkwan@google.com>
7550
7551         * layout.cc (Layout::Layout): Force section types of .init_array*,
7552         .preinit_array* and .fini_array* sections.
7553         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7554         Fix check of return value of std::string::find.().
7555         (Output_section::Input_section_sort_compare::operator()): Remove
7556         comment about .init_array.
7557         (Output_section::Input_section_sort_init_fini_compare::operator()):
7558         New method.
7559         (Output_section::sort_attached_input_sections): Handle .init_array
7560         and .fini_array specially.
7561         * output.h (Output_section::Inut_section_sort_compare): Update
7562         comment.
7563         (Output_section::Input_section_sort_init_fini_compare): New struct.
7564
7565 2010-02-26  Doug Kwan  <dougkwan@google.com>
7566
7567         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7568         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7569         * testsuite/debug_msg.sh: Avoid matching source line number for
7570         use of global variable undef_int.
7571
7572 2010-02-26  Doug Kwan  <dougkwan@google.com>
7573
7574         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7575         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7576         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7577         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7578         * options.cc (General_options::General_options): Initialize member
7579         fix_v4bx_.
7580         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7581         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7582         and rm_no_fix_v4bx.stdout
7583         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7584         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7585         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7586         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7587         and arm_no_fix_v4bx.
7588         * Makefile.in: Regenerate.
7589         * testsuite/arm_fix_v4bx.s: New file.
7590         * testsuite/arm_fix_v4bx.sh: Ditto.
7591
7592 2010-02-24  Doug Kwan  <dougkwan@google.com>
7593
7594         * arm.cc (Target_arm::got_section): Make the .got section the first
7595         non RELRO section in the data segment.
7596         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7597         suffixes of section names.
7598
7599 2010-02-24  Doug Kwan  <dougkwan@google.com>
7600
7601         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7602         flags and attributes merging if an input file is a binary file.
7603         * fileread.cc (Input_file::open): Record format of original file.
7604         * fileread.h (Input_file::Format): New enum type.
7605         (Input_file::Input_file): Initialize data member format_.
7606         (Input_file::format): New method definition.
7607         (Input_file::format_):: New data member.
7608
7609 2010-02-24  Doug Kwan  <dougkwan@google.com>
7610
7611         * arm.cc (Arm_output_data_got): New class.
7612         (ARM_TCB_SIZE): New constant
7613         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7614         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7615         If user uses a script with a SECTIONS clause, issue only a warning
7616         for a misplaced EXIDX input section.  Otherwise, issue an error.
7617         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7618         garbage collection.
7619         (Target_arm::got_mode_index_entry): Handle static linking.
7620         (Target_arm::Scan::local): Ditto.
7621         (Target_arm::Scan::global): Ditto.
7622         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7623         all incorrectly implemented relocations.
7624         (Target_arm::fix_exidx_coverage): Pass layout to
7625         Arm_output_section::fix_exidx_coverage.
7626         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7627         from ".ARM.exidx." and ".ARM.extab.".
7628
7629 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7630
7631         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7632         section if it does not already exist.
7633         * attributes.cc (Attributes_section_data::Attributes_section_data):
7634         Don't crash if size is zero.
7635
7636 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7637             Ian Lance Taylor  <iant@google.com>
7638
7639         * gold.cc (queue_middle_tasks): If no input files were opened,
7640         exit.
7641         * workqueue.h (Task_function::Task_function): Assert that there is
7642         a blocker.
7643
7644 2010-02-22  Doug Kwan  <dougkwan@google.com>
7645
7646         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7647         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7648         types to avoid warnings due to different uint64_t implementations
7649         on different hosts.
7650
7651 2010-02-21  Doug Kwan  <dougkwan@google.com>
7652
7653         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7654         handling of the maximum backward branch offset.
7655         (Arm_relocate_functions::thumb_branch_common): Ditto.
7656         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7657         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7658         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7659         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7660         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7661         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7662         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7663         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7664         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7665         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7666         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7667         thumb2_bl_out_of_range.o): New rules.
7668         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7669         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7670         thumb2_bl_out_of_range
7671         * testsuite/Makefile.in: Regenerate.
7672         * testsuite/arm_bl_in_range.s: New file.
7673         * testsuite/arm_bl_out_of_range.s: Ditto.
7674         * testsuite/arm_branch_in_range.sh: Ditto.
7675         * testsuite/arm_branch_range.t: Ditto.
7676         * testsuite/thumb2_branch_range.t: Ditto.
7677         * testsuite/thumb_bl_in_range.s: Ditto.
7678         * testsuite/thumb_bl_out_of_range.s: Ditto.
7679         * testsuite/thumb_branch_range.t: Ditto.
7680
7681 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7682
7683         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7684         Add reloc offset information.
7685         * icf.cc (get_section_contents): Change iterators to point to the new
7686         vectors. Add reloc offset information to the contents.
7687         * icf.h (Icf::Sections_reachable_info): New typedef.
7688         (Icf::Sections_reachable_list): New typedef.
7689         (Icf::Offset_info): New typedef.
7690         (Icf::Reloc_info): New struct typedef.
7691         (Icf::Reloc_info_list): New typedef.
7692         (Icf::symbol_reloc_list): Delete method.
7693         (Icf::addend_reloc_list): Delete method.
7694         (Icf::section_reloc_list): Delete method.
7695         (Icf::reloc_info_list): New method.
7696         (Icf::reloc_info_list_): New member.
7697
7698 2010-02-19  Doug Kwan  <dougkwan@google.com>
7699
7700         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7701         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7702         * arm.cc (Arm_relocation_functions): New forward declaration.
7703         (Target_arm::Target_arm): Initialize new data members
7704         got_mod_index_offset_ and tls_base_symbol_defined_.
7705         (Target_arm::Relocate::relocate_tls): New method.
7706         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7707          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7708         New methods.
7709         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7710         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7711         (Target_arm::got_mod_index_offset_,
7712         Target_arm::tls_base_symbol_defined_): New data members.
7713         (Target_arm::Scan::local, Target::Scan::global,
7714         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7715         relocations.
7716
7717 2010-02-18  Doug Kwan  <dougkwan@google.com>
7718
7719         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7720         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7721         text section as a parameter becuase some broken tools may not set
7722         the link in section header.
7723         (Target_arm::has_got_section): New method.
7724         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7725         without any mapping symbol as data only.  Remove warning.
7726         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7727         link in its section header, try to discover the link by inspecting the
7728         REL31 relocation at the beginning of the section.
7729         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7730         in error message.
7731         (Target_arm::Scan::global): Treat any reference to the symbol
7732         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7733
7734 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7735
7736         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7737         (Scan::global_reloc_may_be_function_pointer): New function.
7738         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7739         (Scan::global_reloc_may_be_function_pointer): New function.
7740         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7741         (Scan::global_reloc_may_be_function_pointer): New function.
7742         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7743         (Scan::global_reloc_may_be_function_pointer): New function.
7744         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7745         (Scan::global_reloc_may_be_function_pointer): New function.
7746         (Scan::possible_function_pointer_reloc): New function.
7747         (Target_x86_64::can_check_for_function_pointers): New function.
7748         * gc.h (gc_process_relocs): Scan relocation types to determine if
7749         function pointers were taken for targets that support it.
7750         * icf.cc (Icf::find_identical_sections): Include functions for
7751         folding in safe ICF whose pointer is not taken.
7752         * icf.h (Secn_fptr_taken_set): New typedef.
7753         (fptr_section_id_): New member.
7754         (section_has_function_pointers): New function.
7755         (set_section_has_function_pointers): New function.
7756         (check_section_for_function_pointers): New function.
7757         * options.h: Fix comment for safe ICF option.
7758         * target.h (can_check_for_function_pointers): New function.
7759         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7760         Modify icf_safe_test for X86-64.
7761         * testsuite/Makefile.in: Regenerate.
7762         * testsuite/icf_safe_so_test.cc: New file.
7763         * testsuite/icf_safe_so_test.sh: New file.
7764         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7765         (main): Change to take pointer to function kept_func_3.
7766         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7767         folding is done correctly for X86-64.
7768
7769 2010-02-12  David S. Miller  <davem@davemloft.net>
7770
7771         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7772         is_symbolless parameter.
7773         (Output_reloc<SHT_REL>::is_symbolless): New.
7774         (Output_reloc<SHT_REL>::is_symbolless_): New.
7775         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7776         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7777         (Output_reloc<SHT_RELA>::is_symbolless): New.
7778         (Output_data_reloc::add_global): Handle is_symbolless.
7779         (Output_data_reloc::add_global_relative): Likewise.
7780         (Output_data_reloc::add_local): Likewise.
7781         (Output_data_reloc::add_local_relative): Likewise.
7782         (Output_data_reloc::add_symbolless_global_addend): New.
7783         (Output_data_reloc::add_symbolless_local_addend): New.
7784         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7785         is_symbolless.
7786         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7787         instead of ->is_relative_
7788         (Output_reloc::write): Likewise.
7789         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7790         (Output_reloc::write_rel): Simplify.
7791
7792         * sparc.cc (Target_sparc::Scan::local): Use
7793         ->add_symbolless_local_addend as needed.
7794         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7795         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7796         based upon relocation offset.
7797
7798 2010-02-11  Doug Kwan  <dougkwan@google.com>
7799
7800         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7801         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7802         beginning of function.
7803         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7804         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7805         parameter is_32bit in calls to should_apply_static_reloc.
7806         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7807         (check_DATA): Add arm_abs_global.stdout.
7808         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7809         arm_abs_global.stdout): New rules.
7810         (MOSTLLYCLEANFILES): Add arm_abs_global
7811         * Makefile.in: Regenerate.
7812         * testsuite/arm_abs_global.s: New file.
7813         * testsuite/arm_abs_global.sh: Ditto.
7814         * testsuite/arm_abs_lib.s: Ditto.
7815
7816 2010-02-11  Ian Lance Taylor  <iant@google.com>
7817
7818         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7819         Read_relocs task.
7820         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7821         Allocate_commons_task first.
7822         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7823         task, rather than symtab_lock_.
7824         (Gc_process_relocs::~Gc_process_relocs): New function.
7825         (Gc_process_relocs::is_runnable): Check this_blocker_.
7826         (Gc_process_relocs::locks): Use next_blocker_ rather than
7827         blocker_.
7828         (Scan_relocs::~Scan_relocs): New function.
7829         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7830         symtab_lock_.
7831         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7832         next_blocker_.
7833         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7834         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7835         constructor accordingly.
7836         (class Gc_process_relocs): Likewise.
7837         (class Scan_relocs): Likewise.
7838         * common.h (class Allocate_commons_task): Remove symtab_lock_
7839         field, and corresponding constructor parameter.
7840         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7841         symtab_lock_.
7842         (Allocate_commons_task::locks): Likewise.
7843
7844 2010-02-11  Ian Lance Taylor  <iant@google.com>
7845
7846         * gold-threads.h (class Once): Define.
7847         (class Initialize_lock): Rewrite as child of Once.
7848         * gold-threads.cc (class Once_initialize): Define.
7849         (once_pointer_control): New static variable.
7850         (once_pointer, once_arg): New static variables.
7851         (c_run_once): New static function.
7852         (Once::Once, Once::run_once, Once::internal_run): New functions.
7853         (class Initialize_lock_once): Remove.
7854         (initialize_lock_control): Remove.
7855         (initialize_lock_pointer): Remove.
7856         (initialize_lock_once): Remove.
7857         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7858         (Initialize_lock::initialize): Rewrite.
7859         (Initialize_lock::do_run_once): New function.
7860         * archive.cc (Archive::interpret_header): Only clear name if it is
7861         not already empty.
7862         * fileread.cc: Include "gold-threads.h"
7863         (file_counts_lock): New static variable.
7864         (file_counts_initialize_lock): Likewise.
7865         (File_read::release): Only increment counts when using --stats.
7866         Use a lock around the increment.
7867         * parameters.cc (class Set_parameters_target_once): Define.
7868         (set_parameters_target_once): New static variable.
7869         (Parameters::Parameters): Move here from parameters.h.
7870         (Parameters::set_target): Rewrite.
7871         (Parameters::set_target_once): New function.
7872         (Parameters::clear_target): Move here and rewrite.
7873         * parameters.h (class Parameters): Update declarations.  Add
7874         set_parameters_target_once_ field.
7875         (Parameters::Parameters): Move to parameters.cc.
7876         (Parameters::clear_target): Likewise.
7877         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7878         task.
7879         (Start_group::~Start_group): New function.
7880         (Start_group::is_runnable): New function.
7881         (Start_group::locks, Start_group::run): New functions.
7882         (Finish_group::run): Change saw_undefined to size_t.
7883         * readsyms.h (class Start_group): Define.
7884         (class Finish_group): Change saw_undefined_ field to size_t.
7885         (Finish_group::Finish_group): Remove saw_undefined and
7886         this_blocker parameters.  Change all callers.
7887         (Finish_group::set_saw_undefined): New function.
7888         (Finish_group::set_blocker): New function.
7889         * symtab.h (class Symbol_table): Change saw_undefined to return
7890         size_t.  Change saw_undefined_ field to size_t.
7891         * target-select.cc (Set_target_once::do_run_once): New function.
7892         (Target_selector::Target_selector): Initialize set_target_once_
7893         field.  Don't initialize lock_ and initialize_lock_ fields.
7894         (Target_selector::instantiate_target): Rewrite.
7895         (Target_selector::set_target): New function.
7896         * target-select.h (class Set_target_once): Define.
7897         (class Target_selector): Update declarations.  Make
7898         Set_target_once a friend.  Remove lock_ and initialize_lock_
7899         fields.  Add set_target_once_ field.
7900
7901 2010-02-10  Ian Lance Taylor  <iant@google.com>
7902
7903         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7904         queueing any tasks.
7905         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7906         (queue_middle_tasks): Add all blockers before queueing any tasks.
7907         (queue_final_tasks): Likewise.
7908         * token.h (Task_token::add_blockers): New function.
7909         * object.h (Input_objects::number_of_relobjs): New function.
7910
7911 2010-02-10  Ian Lance Taylor  <iant@google.com>
7912
7913         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7914         shared, not if not position independent.
7915         * x86_64.cc (Relocate::relocate_tls): Likewise.
7916         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7917         (tls_pie_pic_test): New target.
7918         * testsuite/Makefile.in: Rebuild.
7919
7920         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7921         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7922         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7923         * testsuite/Makefile.in: Rebuild.
7924
7925 2010-02-09  David S. Miller  <davem@davemloft.net>
7926
7927         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7928         R_SPARC_RELATIVE using ->add_local_relative().
7929         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7930
7931         * output.h (Output_data_dynamic::add_section_size): New method
7932         that takes two Output_data objects.
7933         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7934         entry param.  Handle it in initializers.
7935         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7936         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7937         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7938         arg.
7939         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7940         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7941         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7942         for dynrel_includes_plt.
7943         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7944         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7945         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7946         before .rela.plt
7947         (Target_sparc::do_finalize_sections): Update to pass true for
7948         dynrel_includes_plt.
7949         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7950         output before .rela.plt
7951         (Target_powerpc::do_finalize_sections): Update to pass true for
7952         dynrel_includes_plt when 32-bit.
7953
7954 2010-02-08  Doug Kwan  <dougkwan@google.com>
7955
7956         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7957         method.
7958         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7959         Arm_relobj::scan_section_for_cortex_a8_stubs,
7960         Arm_relobj::do_relocation_section): Instead of calling
7961         Output_section::output_address, use faster
7962         Arm_relobj::simple_input_section_output_address.
7963
7964 2010-02-08  David S. Miller  <davem@davemloft.net>
7965
7966         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7967         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7968         relocation helper function.
7969
7970         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7971         just like R_SPARC_GOT{10,13,22}.
7972         (Target_sparc::Scan::local): Likewise.
7973         (Target_sparc::Relocate:relocate): Likewise.
7974
7975 2010-02-06  Ian Lance Taylor  <iant@google.com>
7976
7977         * configure.ac: Rewrite targetobjs duplicate removal code to use
7978         only shell constructs.
7979         * configure: Rebuild.
7980
7981 2010-02-05  Doug Kwan  <dougkwan@google.com>
7982
7983         PR 11247
7984         * arm.cc (Arm_relobj::section_is_scannable): New method.
7985         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7986         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7987
7988 2010-02-04  Doug Kwan  <dougkwan@google.com>
7989
7990         PR 11247
7991         * arm-reloc-property.cc (cstdio): Include.
7992         * configure.ac (targetobjs): Remove duplicates.
7993         * configure: Regenerate.
7994         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7995         big and little endian version for a given address size.
7996
7997 2010-02-03  Doug Kwan  <dougkwan@google.com>
7998
7999         * arm-reloc-property.cc
8000         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8001         definition.
8002         * arm-reloc-property.h
8003         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8004         New method definition.
8005         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8006         declaration.
8007         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8008         overflow to N.
8009         (GOT_PREL): Change implemented to Y.
8010         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8011         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8012         (Arm_relocate_functions::movw_abs_nc): Remove method.
8013         (Arm_relocate_functions::movt_abs): Ditto.
8014         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8015         (Arm_relocate_functions::thm_movt_abs): Ditto.
8016         (Arm_relocate_functions::movw_rel_nc): Ditto.
8017         (Arm_relocate_functions::movw_rel): Ditto.
8018         (Arm_relocate_functions::movt_rel): Ditto.
8019         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8020         (Arm_relocate_functions:thm_movw_rel): Ditto.
8021         (Arm_relocate_functions:thm_movt_rel): Ditto.
8022         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8023         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8024         New method definitions.
8025         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8026         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8027         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8028         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8029         (Target_arm::Relocate::relocate): Check for non-static or
8030         unimplemented relocation code and exit early.  Change calls to
8031         Target_arm::reloc_uses_thumb_bit and
8032         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8033         instead.  Refactor code to handle similar relocations to increase
8034         code sharing.  Remove check for unsupported relocation code in switch
8035         statement.
8036         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8037         relocation property table to find out size.  Change error message to
8038         print out the name of a relocation code instead of the numeric value.
8039         (Target_arm::scan_reloc_for_stub): Use relocation property table
8040         instead of calling Target_arm::reloc_uses_thumb_bit().
8041
8042 2010-02-02  Doug Kwan  <dougkwan@google.com>
8043
8044         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8045         types of relaxed input section.
8046
8047 2010-02-02  Doug Kwan  <dougkwan@google.com>
8048
8049         * Makefile.am (HFILES): Add arm-reloc-property.h.
8050         (DEFFILES): New.
8051         (TARGETSOURCES): Add arm-reloc-property.cc
8052         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8053         (libgold_a_SOURCES): $(DEFFILES)
8054         * Makefile.in: Regenerate.
8055         * arm-reloc-property.cc: New file.
8056         * arm-reloc-property.h: New file.
8057         * arm-reloc.def: New file.
8058         * arm.cc: Update comments.
8059         (arm-reloc-property.h): New included header.
8060         (arm_reloc_property_table): New global variable.
8061         (Target_arm::do_select_as_default_target): New method definition.
8062         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8063         arm-reloc-property to targ_extra_obj.
8064         * parameters.cc (set_parameters_target): Call
8065         Target::select_as_default_target().
8066         * target.h (Target::select_as_default_target): New method definition.
8067         (Target::do_select_as_default_target): Same.
8068
8069 2010-02-01  Doug Kwan  <dougkwan@google.com>
8070
8071         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8072         first_output_text_section_.
8073         (Arm_exidx_fixup::first_output_text_section): New method definition.
8074         (Arm_exidx_fixup::first_output_text_section_): New data member.
8075         (Arm_exidx_fixup::process_exidx_section): Record the first text
8076         output section seen.
8077         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8078         and entsize in output section header.
8079
8080 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8081
8082         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8083         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8084         (Arm_relocate_functions::thm_alu11): New Method.
8085         (Arm_relocate_functions::thm_pc8): New Method.
8086         (Arm_relocate_functions::thm_pc12): New Method.
8087         (Target_arm::Scan::local): Handle the relocations.
8088         (Target_arm::Scan::global): Likewise.
8089         (Target_arm::Relocate::relocate): Likewise.
8090         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8091
8092 2010-01-29  Doug Kwan  <dougkwan@google.com>
8093
8094         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8095         of relocation types as ld.
8096
8097 2010-01-29  Doug Kwan  <dougkwan@google.com>
8098
8099         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8100         to public.
8101         (Arm_relocate_functions::thumb_branch_common): Ditto.
8102         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8103         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8104         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8105         Arm_relocate_functions::jump24): Remove.
8106         (Target_arm::Relocate::relocate): Adjust code to call
8107         Arm_relocation_functions::arm_branch_common and
8108         Arm_relocation_functions::thumb_branch_common instead of their removed
8109         wrappers.  Merge switch-cases together to reduce source code size.
8110
8111 2010-01-29  Doug Kwan  <dougkwan@google.com>
8112
8113         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8114         output_local_symbol_count_needs_update_.
8115         (Arm_relobj::output_local_symbol_count_needs_update,
8116          Arm_relobj::set_output_local_symbol_count_needs_update,
8117          Arm_relobj::update_output_local_symbol_count): New methods.
8118         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8119         member.
8120         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8121         of pointed function as in a R_ARM_PREL31 relocation.
8122         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8123         for output local symbol count updating.
8124         (Target_arm::do_relax): Update output local symbol counts in objects
8125         if necessary.
8126         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8127
8128 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8129
8130         * arm.cc: Added support for the ARM relocations:
8131         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8132         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8133         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8134         movw_prel_nc).
8135         (Arm_relocate_functions::movw_rel): New method.
8136         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8137         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8138         thm_movw_prel_nc).
8139         (Arm_relocate_functions::thm_movw_rel): New method.
8140         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8141         thm_movt_prel).
8142         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8143         relocations.
8144         (Target_arm::Scan::global): Likewise.
8145         (Target_arm::Relocate::relocate): Likewise.
8146         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8147         Likewise.
8148
8149 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8150
8151         * arm.cc: Added support for ARM group relocations.
8152         (Target_arm::reloc_needs_sym_origin): New method.
8153         (Arm_relocate_functions::calc_grp_kn): New method.
8154         (Arm_relocate_functions::calc_grp_residual): New method.
8155         (Arm_relocate_functions::calc_grp_gn): New method.
8156         (Arm_relocate_functions::arm_grp_alu): New Method.
8157         (Arm_relocate_functions::arm_grp_ldr): New Method.
8158         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8159         (Arm_relocate_functions::arm_grp_ldc): New Method.
8160         (Target_arm::Scan::local): Handle the ARM group relocations.
8161         (Target_arm::Scan::global): Likewise.
8162         (Target_arm::Relocate::relocate): Likewise.
8163         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8164         Likewise.
8165
8166 2010-01-26  Doug Kwan  <dougkwan@google.com>
8167
8168         * arm.cc (set): Include.
8169         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8170         pointer type.
8171         (Arm_output_section::Text_section_list): New type.
8172         (Arm_output_section::append_text_sections_to_list): New method.
8173         (Arm_output_section::fix_exidx_coverage): Ditto.
8174         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8175         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8176         Relobj::set_section_offset() instead of
8177         Sized_relobj::invalidate_section_offset().
8178         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8179         parameter for section headers. Ignore relocation sections for
8180         unallocated sections and EXIDX sections.
8181         (Target_arm::fix_exidx_coverage): New method.
8182         (Target_arm::output_section_address_less_than): New type.
8183         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8184         linked text section instead of the EXIDX section.
8185         (Arm_output_section::create_stub_group): Add an assertion to check
8186         that this is not an EXIDX output section.
8187         (Arm_output_section::append_text_sections_to_list): New method.
8188         (Arm_output_section::fix_exidx_coverage): Ditto.
8189         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8190         Arm_relobj::section_needs_reloc_stub_scanning.
8191         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8192         first pass.
8193         (Target_arm::fix_exidx_coverage): New method.
8194         * object.h (Relobj::set_output_section): New method.
8195         (Sized_relobj::invalidate_section_offset): Remove method.
8196         (Sized_relobj::do_invalidate_section_offset): Remove method.
8197         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8198
8199 2010-01-25  Doug Kwan  <dougkwan@google.com>
8200
8201         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8202         Fix warning due to signed and unsigned comparison on a 32-bit host.
8203
8204 2010-01-22  Doug Kwan  <dougkwan@google.com>
8205
8206         * arm.cc (Target_arm::do_relax): Record an output section for section
8207         offset adjustment it contains any stub table that has changed.
8208         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8209         offsets in an output section if necessary.
8210         * output.cc (Output_section::Output_section): Initialize
8211         section_offsets_need_adjustments_.
8212         (Output_section::add_input_section_for_script): Renamed to
8213         Output_section::add_simple_input_section.
8214         (Output_section::save_states): Add a comment.
8215         (Output_section::discard_states): New method defintion.
8216         (Output_section::adjust_section_offsets): Same.
8217         * output.h (Output_section::add_input_section_for_script): Renamed to
8218         Output_section::add_simple_input_section.
8219         (Output_section::discard_states): New method declaration.
8220         (Output_section::adjust_section_offsets): Same.
8221         (Output_section::section_offsets_need_adjustment,
8222         Output_section::set_section_offsets_need_adjustment): New method
8223         definitions.
8224         (Output_section::section_offsets_need_adjustment_): New data member.
8225         * script-sections.cc
8226         (Output_section_element_input::set_section_address): Adjust code for
8227         renaming of Output_section::add_input_section_for_script.
8228         (Orphan_output_section::set_section_address): Same.
8229
8230 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8231
8232         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
8233         Fix_v4bx enum values .
8234         * gold/options.h (General_options): New option definitions.
8235         (General_options::fix_v4bx): New method.
8236         (General_options::Fix_v4bx): New enum.
8237         * gold/options.cc (General_options::parse_fix_v4bx): New method.
8238         (General_options::parse_fix_v4bx_interworking): New method.
8239
8240 2010-01-22  Doug Kwan  <dougkwan@google.com>
8241
8242         * arm.cc (Arm_exidx_fixup): New class.
8243
8244 2010-01-21  Doug Kwan  <dougkwan@google.com>
8245
8246         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
8247         classes.
8248         (Arm_exidx_section_offset_map): New type.
8249
8250 2010-01-21  Doug Kwan  <dougkwan@google.com>
8251
8252         * arm.cc (Arm_exidx_input_section): New class.
8253         (Arm_relobj::exidx_input_section_by_link,
8254         Arm_relobj::exidx_input_section_by_shndx,
8255         Arm_relobj::make_exidx_input_section): New methods.
8256         (read_arm_attributes_section): Remove.
8257         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8258         information about them.
8259         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8260         to here.
8261
8262 2010-01-20  Doug Kwan  <dougkwan@google.com>
8263
8264         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8265         Input_section_specifier to Section_id.
8266         (Target_arm::new_arm_input_section: Adjust code for change of key
8267         type.
8268         (Target_arm::find_arm_input_section): Ditto.
8269         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8270         (Section_id): Remove.
8271         (Garbage_collection::Section_id_hash): Remove.
8272         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8273         (Section_id): Remove.
8274         (Icf::Section_id_hash): Remove.
8275         * object.h (Section_id, Const_section_id, Section_id_hash,
8276         Const_section_id_hash): New type definitions.
8277         * output.cc (Output_section::add_relaxed_input_section): Change to
8278         use Const_section_id instead of Input_section_specifier as key type.
8279         (Output_section::add_merge_input_section): Ditto.
8280         (Output_section::build_relaxation_map): Change to use Section_id
8281         instead of Input_section_specifier as key type.
8282         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8283         Ditto.
8284         (Output_section::convert_input_sections_to_relaxed_sections): Change
8285         to use Const_section_id instead of Input_section_specifier as key type.
8286         (Output_section::find_merge_section): Ditto.
8287         (Output_section::find_relaxed_input_section): Ditto.
8288         * output.h (Input_section_specifier): Remove class.
8289         (Output_section::Output_section_data_by_input_section_map): Change
8290         key type to Const_section_id.
8291         (Output_section::Output_relaxed_input_section_by_input_section_map):
8292         Ditto.
8293         (Output_section::Relaxation_map): Change key type to Section_id.
8294
8295 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8296
8297         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8298         (class Arm_v4bx_stub): New class.
8299         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8300         (Stub_factory::make_arm_v4bx_stub): New method.
8301         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8302         (Stub_table::empty): Handle v4bx stubs.
8303         (Stub_table::add_arm_v4bx_stub): New method.
8304         (Stub_table::find_arm_v4bx_stub): New method.
8305         (Arm_relocate_functions::v4bx): New method.
8306         (Target_arm::fix_v4bx): New method.
8307         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8308         (Stub_table::relocate_stubs): Likewise.
8309         (Stub_table::do_write): Likewise.
8310         (Stub_table::update_data_size_and_addralign): Likewise.
8311         (Stub_table::finalize_stubs):  Likewise.
8312         (Target_arm::Scan::local): Likewise.
8313         (Target_arm::Scan::global): Likewise.
8314         (Target_arm::do_finalize_sections): Likewise.
8315         (Target_arm::Relocate::relocate): Likewise.
8316         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8317         Likewise.
8318         (Target_arm::scan_reloc_for_stub): Likewise.
8319         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8320
8321 2010-01-19  Ian Lance Taylor  <iant@google.com>
8322
8323         * output.cc (Output_section_headers::do_sized_write): Write large
8324         segment count to sh_info field.
8325         (Output_file_header::do_sized_write): For large segment count,
8326         write PN_XNUM to e_phnum field.
8327
8328 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8329
8330         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8331         (Arm_relocate_functions::thm_jump8): New function.
8332         (Arm_relocate_functions::thm_jump11): New function.
8333         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8334         R_ARM_THM_JUMP11.
8335         (Target_arm::Scan::global): Likewise.
8336         (Target_arm::Relocate::relocate): Likewise.
8337         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8338         Likewise.
8339
8340 2010-01-14  Doug Kwan  <dougkwan@google.com>
8341
8342         * arm.cc (map, utility): Include headers.
8343         (Target_arm::apply_cortex_a8_workaround): New method.
8344         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8345         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8346         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8347         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8348         the --[no-]fix-cortex-a8 command line options.
8349         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8350         (Target_arm::relocate_stub): Use addend in instruction template.
8351         * options.h (DEFINE_bool): Set the user-set flag.
8352         (General_options): Add --[no-]-fix-cortex options.
8353         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8354         : Update fast look-up map after conversion.
8355
8356 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8357
8358         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8359         in the first pass of do_layout.
8360
8361 2010-01-13  Doug Kwan  <dougkwan@google.com>
8362
8363         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8364         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8365         apparent compiler problem of not folding static constant integral
8366         data members of elfcpp::Elf_sizes<32>.
8367
8368 2010-01-13  Doug Kwan  <dougkwan@google.com>
8369
8370         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8371         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8372         Arm_relobj::scan_section_for_cortex_a8_erratum,
8373         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8374         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8375         sections to scan for relocation stubs into a new method
8376         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8377         relocation and Cortex-A8 stub scanning.
8378         (Target_arm::do_relax): Force stubs to be after stubbed sections
8379         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8380         the beginning of a new relaxation pass.  Update a comment.
8381         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8382
8383 2010-01-12  Ian Lance Taylor  <iant@google.com>
8384
8385         * target-reloc.h (visibility_error): New inline function.
8386         (relocate_section): Call visibility_error.
8387         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8388         (MOSTLYCLEANFILES): Likewise.
8389         (protected_4_pic.o, protected_3.err): New targets.
8390         * testsuite/protected_4.cc: New file.
8391
8392 2010-01-12  Doug Kwan  <dougkwan@google.com>
8393
8394         * arm.cc (Cortex_a8_reloc): New class.
8395         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8396         and cortex_a8_relocs_info_.
8397         (Target_arm::fix_cortex_a8): New method definition.
8398         (Target_arm::Cortex_a8_relocs_info): New type.
8399         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8400         New data member declarations.
8401         (Target_arm::scan_reloc_for_stub): Record information about
8402         relocations for THUMB branches that might be exempted from the
8403         Cortex-A8 workaround.
8404         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8405         at the beginning of a relaxation pass.
8406
8407 2010-01-12  Doug Kwan  <dougkwan@google.com>
8408
8409         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8410         (Arm_relobj::Mapping_symbol_position,
8411          Arm_reloj::Mapping_symbol_position_less,
8412          Arm_relobj::Mapping_symbols_info): New types.
8413         (Target_arm::is_mapping_symbol_name): New method definition.
8414         (Arm_relobj::do_count_local_symbols): Save information about mapping
8415         symbols.
8416
8417 2010-01-11  Doug Kwan  <dougkwan@google.com>
8418
8419         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8420         Arm_relocate_functions::thumb32_branch_upper,
8421         Arm_relocate_functions::thumb32_branch_lower,
8422         Arm_relocate_functions::thumb32_cond_branch_offset,
8423         Arm_relocate_functions::thumb32_cond_branch_upper,
8424         Arm_relocate_functions::thumb32_cond_branch_lower,
8425         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8426         branch offset encoding.
8427         (Arm_relocate_functions::thumb_branch_common): Use new branch
8428         offset encoding methods to avoid code duplication.
8429         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8430         (Stub_addend_reader::operator()): Use new branch encoding method
8431         to avoid code duplication.
8432
8433 2010-01-11  Doug Kwan  <dougkwan@google.com>
8434
8435         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8436         (Target_arm::do_finalize_sections): Define special EXIDX section
8437         symbols only if referenced.
8438         * gc.h (Garbage_collection::add_reference): New method.
8439         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8440         code duplication.
8441
8442 2010-01-11  Ian Lance Taylor  <iant@google.com>
8443
8444         * script.cc (Version_script_info::build_expression_list_lookup):
8445         Change complaing about duplicate wildcard match from error to
8446         warning.
8447
8448         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8449         of 2009-12-30.
8450         (Version_script_info::Version_script_info): Initialize globs_,
8451         default_version_, default_is_global_, and exact_.  Don't
8452         initialize globals_ or locals_.
8453         (Version_script_info::build_lookup_tables): Build local symbols
8454         first.
8455         (Version_script_info::unquote): New function.
8456         (Version_script_info::add_exact_match): New function.
8457         (Version_script_info::build_expression_list_lookup): Remove lookup
8458         parameter.  Add is_global parameter.  Change all callers.  Handle
8459         wildcard pattern specially.  Unquote pattern.  Call
8460         add_exact_match.
8461         (Version_script_info::get_name_to_match): New function.
8462         (Version_script_info::get_symbol_version): New function.
8463         (Version_script_info::get_symbol_version_helper): Remove.
8464         (Version_script_info::check_unmatched_names): Call unquote.
8465         * script.h (class Version_script_info): Change get_symbol_version
8466         to be non-inline and add is_global parameter; change all callers.
8467         Rewrite symbol_is_local.  Update declarations.  Define struct
8468         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8469         Remove globals_ and locals_ members.  Add exact_, globs_,
8470         default_version_, is_global_.
8471         (Version_script_info::Glob): Remove pattern, add expression and
8472         is_global.  Update constructor.  Change all callers.
8473         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8474         default version.
8475         (Versions::symbol_section_contents): If a symbol is undefined, or
8476         defined in a dynamic object, set the version index to
8477         VER_NDX_LOCAL.
8478         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8479         symbol_is_local.
8480         (Symbol_table::add_from_pluginobj): Likewise.
8481         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8482
8483 2010-01-11  Doug Kwan  <dougkwan@google.com>
8484
8485         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8486         (incremental_dump_LDADD): Add linking option for libintl.
8487         * Makefile.in: Regenerate.
8488
8489 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8490
8491         PR gold/11144
8492         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8493         instead of -Ds.
8494         * testsuite/Makefile.in: Regenerated.
8495
8496 2010-01-10  Doug Kwan  <dougkwan@google.com>
8497
8498         * options.h (DEFINE_var): Use parentheses around argument varname__
8499         in macro body to avoid any unintended subsequent substitutions.
8500
8501 2010-01-10  Ian Lance Taylor  <iant@google.com>
8502
8503         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8504         candidates before doing symbol resolution.
8505
8506         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8507         ODR candidates if only one is weak.
8508
8509 2010-01-08  Ian Lance Taylor  <iant@google.com>
8510
8511         * script.cc (Version_script_info::build_expression_list_lookup):
8512         Don't warn about ambiguous version, just record the ambiguity.
8513         (Version_script_info::get_symbol_version_helper): Give error if
8514         version is ambiguous.
8515
8516 2010-01-08  Doug Kwan  <dougkwan@google.com>
8517
8518         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8519         prev_data_size_ and prev_addralign_.  Remove initializer for
8520         deleted data member has_been_changed_.
8521         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8522         to determine if the table is empty.
8523         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8524         Remove.
8525         (Stub_table::add_reloc_stub): Define method in class definition
8526         instead of just declaring it there.
8527         (Stub_table::add_cortex_a8_stub): New method definition.
8528         (Stub_table::update_data_size_and_addralign): Ditto.
8529         (Stub_table::finalize_stubs): Ditto.
8530         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8531         (Stub_table::do_addralign_): Return address alignment in the
8532         (Stub_table::do_reset_address_and_file_offset): Define method in
8533         class definition instead of declaring it there.  Set current data
8534         size to be the data size of the previous pass.
8535         (Stub_table::set_final_data_size): Use current data size as the
8536         final data size.
8537         (Stub_table::relocate_stub): Change parameter type of stub from
8538         Reloc_stub pointer to Stub pointer.
8539         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8540         (Stub_table::Cortex_a8_stub_list): New typedef.
8541         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8542          Stub_table::prev_addralign_): New data member.
8543         (Arm_relobj::Arm_relobj): Initialize data member
8544         section_has_cortex_a8_workaround_.
8545         (Arm_relobj::section_has_cortex_a8_workaround,
8546          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8547          definitions.
8548         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8549         declarations.
8550         (Target_arm::relocate_stub): Change parameter type of stub from
8551         Reloc_stub pointer to Stub pointer.
8552         (Insn_template::size, Insn_template::alignment): Handle
8553         THUMB16_SPECIAL_TYPE.
8554         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8555          Stub_table::update_data_size_and_addralign,
8556          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8557         definitions.
8558         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8559         (Stub_table::do_write): Ditto.
8560         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8561
8562 2010-01-08  Ian Lance Taylor  <iant@google.com>
8563
8564         PR 11108
8565         * symtab.h (class Symbol): Remove fields is_target_special_ and
8566         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8567         (Symbol::is_defined_in_discarded_section): New function.
8568         (Symbol::set_is_defined_in_discarded_section): New function.
8569         (Symbol::has_plt_offset): Rewrite.
8570         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8571         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8572         Don't initialize is_target_special_ or has_plt_offset_.
8573         Initialize is_defined_in_discarded_section_.
8574         (Symbol_table::add_from_relobj): If appropriate, set
8575         is_defined_in_discarded_section.
8576         * resolve.cc (Symbol::override_base_with_special): Don't test
8577         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8578         * target-reloc.h (relocate_section): Do special handling for
8579         symbols defined in discarded sections for global symbols as well
8580         as local symbols.
8581
8582 2010-01-08  Ian Lance Taylor  <iant@google.com>
8583
8584         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8585         the SHT_SYMTAB case.
8586
8587 2010-01-08  Ian Lance Taylor  <iant@google.com>
8588
8589         * object.cc (Sized_relobj::do_layout): Don't get confused if
8590         layout_eh_frame returns NULL.
8591
8592 2010-01-08  Ian Lance Taylor  <iant@google.com>
8593
8594         PR 11084
8595         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8596         dynamic symbol table, use the normal symbol table.
8597         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8598         symbol table.
8599
8600 2010-01-08  Ian Lance Taylor  <iant@google.com>
8601
8602         PR 11072
8603         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8604         sections.
8605
8606 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8607
8608         * version.cc (print_version): Change to "Copyright 2010".
8609
8610 2010-01-08  Ian Lance Taylor  <iant@google.com>
8611
8612         PR 10287
8613         PR 11063
8614         * i386.cc (class Target_i386): Change return type of plt_section
8615         to be non-const.
8616         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8617         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8618         tls_desc_rel_ field.
8619         (Output_data_plt_i386::rel_tls_desc): New function.
8620         (Target_i386::rel_tls_desc_section): New function.
8621         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8622         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8623         R_386_TLS_DESC reloc in rel_tls_desc_section.
8624         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8625         Define struct Tlsdesc_info.
8626         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8627         (Target_x86_64::do_reloc_symbol_index): New function.
8628         (Target_x86_64::add_tlsdesc_info): New function.
8629         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8630         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8631         tlsdesc_rel_ field.
8632         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8633         all callers.
8634         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8635         (Target_x86_64::rela_tlsdesc_section): New function.
8636         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8637         handling.
8638         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8639         (Target_x86_64::do_reloc_addend): New function.
8640         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8641         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8642         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8643         (Output_reloc::type): New function.
8644         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8645         (Output_reloc::is_target_specific): New function.
8646         (Output_reloc::target_arg): New function.
8647         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8648         absolute relocs and target specific relocs.
8649         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8650         add_target_specific.
8651         (class Output_data_reloc) [SHT_RELA]: Likewise.
8652         * output.cc (Output_reloc::Output_reloc): Add four new versions
8653         for absolute relocs and target specific relocs.
8654         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8655         (Output_reloc::get_symbol_index): Likewise.
8656         (Output_reloc::local_section_offset): Check that local_sym_index_
8657         is not TARGET_CODE or 0.
8658         (Output_reloc::symbol_value): Likewise.
8659         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8660         reloc.
8661         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8662         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8663         functions.
8664         * layout.cc (add_target_dynamic_tags): Use output section for
8665         DT_PLTRELSZ and DT_JMPREL.
8666
8667 2010-01-07  Ian Lance Taylor  <iant@google.com>
8668
8669         PR 11061
8670         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8671         function.
8672         (class Output_data_reloc_generic): Define.
8673         (class Output_data_reloc_base): Change base class to
8674         Output_data_reloc_generic.  Change add() method to call
8675         bump_relative_reloc_count for a relative reloc.  Remove
8676         sort_relocs_ field.
8677         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8678         to sort_relocs().
8679         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8680         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8681         appropriate.
8682         * layout.h (class Layout): Update declaration.
8683
8684 2010-01-07  Ian Lance Taylor  <iant@google.com>
8685
8686         * output.h (class Output_data): Add const version of
8687         output_section and do_output_section.
8688         (class Output_section_data): Add const version of
8689         do_output_section.
8690         (class Output_section): Likewise.
8691         * layout.cc (Layout::add_target_dynamic_tags): New function.
8692         * layout.h (class Layout): Update declarations.
8693         * arm.cc (Target_arm::do_finalize_sections): Use
8694         add_target_dynamic_tags.
8695         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8696         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8697         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8698         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8699
8700 2010-01-07  Ian Lance Taylor  <iant@google.com>
8701
8702         PR 11042
8703         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8704         object as needed.
8705
8706 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8707             Ian Lance Taylor  <iant@google.com>
8708
8709         PR 11019
8710         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8711         Xindex::read_symtab_xindex.
8712
8713 2010-01-07  Doug Kwan  <dougkwan@google.com>
8714
8715         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8716         (Insn_template::thumb16_bcond_insn): New method declaration.
8717         (Insn_template): Fix spelling.
8718         (Stub::thumb16_special): New method declaration.
8719         (Stub::do_write): Define virtual method which was previously pure
8720         virtual.
8721         (Stub::do_thumb16_special): New method declaration.
8722         (Stub::do_fixed_endian_write): New template member.
8723         (Reloc_stub::do_write): Remove.
8724         (Reloc_stub::do_fixed_endian_write): Remove.
8725         (Cortex_a8_stub): New class definition.
8726         (Stub_factory::make_cortex_a8_stub): New method definition.
8727         (Stub_factory::Stub_factory): Add missing static storage class
8728         qualifier for elf32_arm_stub_a8_veneer_blx.
8729
8730 2010-01-07  Ian Lance Taylor  <iant@google.com>
8731
8732         PR 10980
8733         * options.h (class General_options): Add --warn-unresolved-symbols
8734         and --error-unresolved-symbols.
8735         * errors.cc (Errors::undefined_symbol): Implement
8736         --warn-unresolved-symbols.
8737
8738         * options.h (class General_options): Add -z text and -z textoff.
8739         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8740
8741 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8742
8743         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8744         (Garbage_collection::cident_sections): New function.
8745         (Garbage_collection::add_cident_section): New function.
8746         (Garbage_collection::cident_sections_): New member.
8747         (gc_process_relocs): Add references to sections whose names are C
8748         identifiers.
8749         * gold.h (cident_section_start_prefix): New constant.
8750         (cident_section_stop_prefix): New constant.
8751         (is_cident): New function.
8752         * layout.cc (Layout::define_section_symbols): Replace string constants
8753         with the newly defined constants.
8754         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8755         C identifiers.
8756         * testsuite/Makefile.am: Add gc_orphan_section_test.
8757         * testsuite/Makefile.in: Regenerate.
8758         * testsuite/gc_orphan_section_test.cc: New file.
8759         * testsuite/gc_orphan_section_test.sh: New file.
8760
8761 2010-01-06  Ian Lance Taylor  <iant@google.com>
8762
8763         PR 10980
8764         * options.h (class General_options): Add --warn-shared-textrel.
8765         * layout.cc (Layout::finish_dynamic_section): Implement
8766         --warn-shared-textrel.
8767
8768         PR 10980
8769         * options.h (class General_options): Add --warn-multiple-gp.
8770
8771 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8772
8773         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8774         $(THREADSLIB) and $(LIBDL).
8775         * Makefile.in: Rebuild.
8776
8777 2010-01-06  Ian Lance Taylor  <iant@google.com>
8778
8779         PR 10980
8780         * options.cc (General_options::parse_section_start): New function.
8781         (General_options::section_start): New function.
8782         (General_options::General_options): Initialize all members.
8783         * options.h: Include <map>
8784         (class General_options): Add --section-start.  Add section_starts_
8785         member.
8786         * layout.cc (Layout::attach_allocated_section_to_segment): If
8787         --section-start was used, set the address of the segment.  Remove
8788         local sort_sections.
8789         (Layout::relaxation_loop_body): If the address of the load segment
8790         has been set by --section-start, don't use it.
8791         * output.h (Output_segment::update_flags_for_output_section): New
8792         function.
8793         * output.cc (Output_segment::add_output_section): Call
8794         update_flags_for_output_section.
8795
8796 2010-01-05  Ian Lance Taylor  <iant@google.com>
8797
8798         PR 10980
8799         * options.h (class General_options): Add --undefined-version.
8800         * script.cc (struct Version_expression): Add was_matched_by_symbol
8801         field.
8802         (Version_script_info::matched_symbol): New function.
8803         (Version_script_info::get_symbol_version_helper): Call
8804         matched_symbol.
8805         (Version_script_info::check_unmatched_names): New function.
8806         * script.h (class Version_script_info): Update declarations.
8807         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8808
8809         * options.h (class General_options): Use DEFINE_bool_alias for
8810         allow_multiple_definition.
8811         * resolve.cc (Symbol_table::should_override): Don't test
8812         allow_multiple_definition.
8813
8814         PR 10980
8815         * options.h (class General_options): Add --cref.
8816         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8817         until after printing cref table.
8818         * cref.cc: Include "symtab.h".
8819         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8820         (Cref_table_compare::operator()): New function.
8821         (Cref_inputs::gather_cref): New function.
8822         (filecol): New static const.
8823         (Cref_inputs::print_cref): New function.
8824         (Cref::print_cref): New function.
8825         * cref.h: Include <cstdio>.
8826         (class Cref): Update declarations.
8827         * mapfile.h (Mapfile::file): New function.
8828         * object.h (class Object): Define Symbols.  Declare virtual
8829         do_get_global_symbols.
8830         (Object::get_global_symbols): New function.
8831         * object.cc (Input_objects::add_object): Pass object to cref_ if
8832         --cref.
8833         (Input_objects::archive_start): Likewise.
8834         (Input_objects::archive_stop): Likewise.
8835         (Input_objects::print_cref): New function.
8836         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8837         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8838         --cref.
8839         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8840         function.
8841         * plugin.h (class Sized_pluginobj): Update declarations.
8842
8843 2010-01-05  Ian Lance Taylor  <iant@google.com>
8844
8845         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8846         to is_default_version.  Rename insdef to insdefault.
8847         (Symbol_table::add_from_relobj): Rename def to is_default_version
8848         and local to is_forced_local.
8849         (Symbol_table::add_from_pluginobj): Likewise.
8850         (Symbol_table::add_from_dynobj): Likewise.
8851         (Symbol_table::define_special_symbol): Rename insdef to
8852         insdefault.
8853
8854 2010-01-04  Ian Lance Taylor  <iant@google.com>
8855
8856         PR 10980
8857         * options.h (class General_options): Add
8858         --allow-multiple-definition and -z muldefs.
8859         * resolve.cc (Symbol_table::should_override): Don't warn about a
8860         multiple symbol definition if --allow-multiple-definition or -z
8861         muldefs.
8862
8863         PR 10980
8864         * options.h (class General_options): Add --add-needed and
8865         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8866         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8867         error if --copy-dt-needed-entries aka --add-needed is used and
8868         would cause a change in behaviour.
8869
8870         PR 10980
8871         * options.h (class General_options): Add -G as a short version of
8872         --shared.  Add no-op options -assert, -g, and -i.
8873
8874 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8875
8876         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8877         check for .text or .gnu.linkonce.t sections.
8878         * icf.cc (Icf::find_identical_sections): Ditto.
8879         Change the detection for mangled function name within the section
8880         name.
8881         * icf.h (is_section_foldable_candidate): New function.
8882
8883 2009-12-30  Ian Lance Taylor  <iant@google.com>
8884
8885         PR 10980
8886         * options.h (class General_options): Permit two dashes with
8887         --retain-symbols-file.
8888
8889 2009-12-30  Ian Lance Taylor  <iant@google.com>
8890
8891         PR 10979
8892         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8893         don't put the file header and segment headers in the text
8894         segment.
8895
8896         PR 10979
8897         * common.cc (Sort_commons::operator()): Stabilize sort when both
8898         entries are NULL.
8899         (Symbol_table::do_allocate_commons_list): When allocating common
8900         symbols, skip a symbol which is no longer common.
8901         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8902         an object before checking its type.
8903         * testsuite/common_test_2.c: New file.
8904         * testsuite/common_test_3.c: New file.
8905         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8906         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8907         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8908         (common_test_2_pic.o, common_test_2.so): New targets.
8909         (common_test_3_pic.o, common_test_3.so): New targets.
8910         * testsuite/Makefile.in: Rebuild.
8911
8912         PR 10979
8913         * script.cc (read_input_script): If we see a new SECTIONS clause,
8914         and we have added an input section, give an error.
8915         * layout.h (class Layout): Add have_added_input_section function.
8916         Add have_added_input_section_ field.
8917         * layout.cc (Layout::Layout): Initialize
8918         have_added_input_section_.
8919         (Layout::layout): Set have_added_input_section_.
8920         (Layout::layout_eh_frame): Likewise.
8921
8922 2009-12-30  Ian Lance Taylor  <iant@google.com>
8923
8924         PR 10931
8925         * options.h (class General_options): Add --sort-common option.
8926         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8927         * common.cc (Sort_common): Add sort_order parameter to
8928         constructor.  Add sort_order_ field.
8929         (Sort_commons::operator): Check sort_order_.
8930         (Symbol_table::allocate_commons): Determine the sort order.
8931         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8932         Change all callers.
8933         (Symbol_table::do_allocate_commons_list): Likewise.
8934
8935 2009-12-30  Ian Lance Taylor  <iant@google.com>
8936
8937         PR 10916
8938         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8939         symbols from this object, don't change the visibility of an
8940         undefined symbol.
8941         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8942
8943 2009-12-30  Ian Lance Taylor  <iant@google.com>
8944
8945         PR 10861
8946         * script.h (class Version_script_info): Define Language enum.
8947         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8948         new fields globals_, locals_, and is_finalized_.
8949         * script.cc: Various formatting fixes.
8950         (class Parser_closure): Change language_stack_ from a vector of
8951         std::string to one of Version_script_info::Language.  Adjust all
8952         uses accordingly.
8953         (class Lazy_demangler): Remove.
8954         (struct Version_expression): Change language from std::string to
8955         Version_script_info::Language.
8956         (Version_script_info::Version_script_info): New function.
8957         (Version_script_info::~Version_script_info): Don't call clear.
8958         (Version_script_info::finalize): New function.
8959         (Version_script_info::build_lookup_tables): New function.
8960         (Version_script_info::build_expression_list_lookup): New
8961         function.
8962         (Version_script_info::get_symbol_version_helper): Rewrite to use
8963         lookup tables.
8964         (Version_script_info::print_expression_list): Adjust to use
8965         Version_script_info::Language.
8966         (script_push_lex_into_version_mode): Check that the version script
8967         has not been finalized.
8968         (version_script_push_lang): Change language string to
8969         Version_script_info::Language.
8970         * options.cc (Command_line::version_script): New function.
8971         * options.h (class General_options): Add finalize_dynamic_list
8972         function.  Change version_script from declaration to definition.
8973         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8974         * testsuite/version_script.map: Remove duplicate def of foo.
8975         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8976         version_script.map.
8977         * testsuite/Makefile.in: Rebuild.
8978
8979 2009-12-30  Ian Lance Taylor  <iant@google.com>
8980
8981         PR 10843
8982         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8983         if the input symbol index is 0, make the output symbol index 0.
8984
8985 2009-12-30  Ian Lance Taylor  <iant@google.com>
8986
8987         PR 10670
8988         * options.h (class General_options): Add -x/--discard-all.
8989         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8990         --discard-all.  If the local symbol needs a dynamic entry, check
8991         that before handling --discard-locals.
8992
8993 2009-12-30  Ian Lance Taylor  <iant@google.com>
8994
8995         PR 10450
8996         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8997         flags to PF_R.
8998         (Output_segment::add_output_section): Don't change the flags if
8999         the type is PT_TLS.
9000
9001         PR 10450
9002         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9003         GNU hash table if they need a dynamic value.  Otherwise, don't add
9004         them if they are defined in a dynamic object or are forced local.
9005
9006 2009-12-29  Ian Lance Taylor  <iant@google.com>
9007
9008         PR 10450
9009         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9010         .gnu.hash table for a 32-bit target.
9011
9012         PR 10450
9013         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9014         regular and a dynamic object only needs a dynamic symbol table
9015         entry if it is externally visible.
9016
9017         PR 10450
9018         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9019         constructor.  Add global_offset_table_ field.
9020         (Target_i386::got_section): Set global_offset_table_.
9021         (Target_i386::do_finalize_sections): Set global_offset_table_
9022         size.
9023         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9024         in constructor.  Add global_offset_table_ field.
9025         (Target_x86_64::got_section): Set global_offset_table_.
9026         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9027         size.
9028
9029         * layout.cc (Layout::Layout): Initialize increase_relro_.
9030         (Layout::get_output_section): Add is_relro, is_last_relro, and
9031         is_first_non_relro parameters.  Change all callers.
9032         (Layout::choose_output_section): Likewise.
9033         (Layout::add_output_section_data): Likewise.
9034         (Layout::make_output_section): Likewise.
9035         (Layout::set_segment_offsets): Clear increase_relro when using a
9036         linker script.
9037         * layout.h (class Layout): Add increase_relro method.  Add
9038         increase_relro_ field.  Update declarations.
9039         * output.cc (Output_section::Output_section): Initialize
9040         is_last_relro_ and is_first_non_relro_.
9041         (Output_segment::add_output_section): Group relro sections is
9042         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9043         (Output_segment::maximum_alignment): Remove relro handling.
9044         (Output_segment::set_section_addresses): Add increase_relro
9045         parameter.  Change all callers.  Add initial alignment to align
9046         relro sections on separate page.  Remove old relro handling.
9047         (Output_segment::set_section_list_addresses): Remove in_relro
9048         parameter.  Change all callers.
9049         (Output_segment::set_offset): Add increase parameter.  Change all
9050         callers.  Remove old relro handling.
9051         * output.h (class Output_section): Add new methods: is_last_relro,
9052         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9053         Add is_last_relro_ and is_first_non_relro_ fields.
9054         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9055         Create separate .got.plt section.  Call increase_relro.
9056         * x86_64.cc (Target_x86_64::got_section): Likewise.
9057         * testsuite/relro_script_test.t: Add .got.plt.
9058
9059         PR 10450
9060         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9061         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9062         (Layout::finalize): Call set_dynamic_symbol_size.
9063         (Layout::set_dynamic_symbol_size): New function.
9064         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9065         set_dynamic_symbol_size.
9066
9067         PR 10450
9068         * output.h (class Output_section): Add is_entsize_zero_ field.
9069         * output.cc (Output_section::Output_section): Initialize
9070         is_entsize_zero_.
9071         (Output_section::set_entsize): If two different entsizes are
9072         requested, force it to zero.
9073         (Output_section::add_input_section): Set flags for .debug_str
9074         before updating section flags.  Set entsize.
9075         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9076         and SHF_STRING if all input sections have those flags.
9077
9078 2009-12-29   Rafael Espindola  <espindola@google.com>
9079
9080         * main.cc (main): Fix the sys time reporting.
9081         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9082         reporting.
9083
9084 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9085
9086         * options.cc (General_options::parse_version): Allow -v to exit
9087         without an error if there is nothing to link.
9088
9089 2009-12-29  Ian Lance Taylor  <iant@google.com>
9090
9091         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9092         using a version of gcc before 4.1.
9093         * configure: Rebuild.
9094
9095 2009-12-28  Chris Demetriou  <cgd@google.com>
9096
9097         * attributes.cc (Output_attributes_section_data::do_write): Use
9098         std::vector::front rather than std::vector::data.
9099
9100 2009-12-28  Ian Lance Taylor  <iant@google.com>
9101
9102         * symtab.h (class Symbol_table): Add enum Defined.
9103         * resolve.cc (Symbol_table::should_override): Add defined
9104         parameter.  Change all callers.  Test whether object is NULL
9105         before calling a method on it.
9106         (Symbol_table::report_resolve_problem): Add defined parameter.
9107         Change all callers.
9108         (Symbol_table::should_override_with_special): Likewise.
9109         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9110         parameter.  Change all callers.
9111         (Symbol_table::do_define_in_output_data): Likewise.
9112         (Symbol_table::define_in_output_segment): Likewise.
9113         (Symbol_table::do_define_in_output_segment): Likewise.
9114         (Symbol_table::define_as_constant): Likewise.
9115         (Symbol_table::do_define_as_constant): Likewise.
9116         * script.h (class Symbol_assignment): Add is_defsym parameter to
9117         constructor; change all callers.
9118         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9119         parameter.  Change all callers.  Add is_defsym_ field.
9120         (class Parser_closure): Add parsing_defsym parameter to
9121         constructor; change all callers.  Add parsing_defsym accessor
9122         function.  Add parsing_defsym_ field.
9123
9124 2009-12-28  Ian Lance Taylor  <iant@google.com>
9125
9126         * gold.cc (queue_middle_tasks): Fix formatting.
9127         * object.cc (Relobj::is_section_name_included): Likewise.
9128
9129 2009-12-23  Ian Lance Taylor  <iant@google.com>
9130
9131         * i386.cc (Target_i386::do_calls_non_split): Recognize
9132         -fsplit-stack prologue for a function with a static chain.
9133         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9134         -fsplit-stack prologue when using %r11.
9135
9136 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9137
9138         * options.cc (General_options::parse_version): Make -v continue and do
9139         the link like GNU ld does.
9140
9141 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9142
9143         * Makefile.am (CCFILES): Add timer.cc.
9144         (HFILES): Add timer.h.
9145         * configure.ac: Check for sysconf and times.
9146         * main.cc: include timer.h.
9147         (main): Use Timer instead of get_run_time.
9148         * timer.cc: New.
9149         * timer.h: New.
9150         * workqueue.cc: include timer.h.
9151         (Workqueue::find_and_run_task):
9152         Report user, sys and wall time.
9153         * Makefile.in: Regenerate.
9154         * config.in: Regenerate.
9155         * configure: Regenerate.
9156
9157 2009-12-16  Doug Kwan  <dougkwan@google.com>
9158
9159         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9160         sections.
9161         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9162         relaxed input sections.
9163         * output.cc (Output_section::find_relaxed_input_section): Change
9164         return type to Output_relaxed_input_section pointer.  Adjust code
9165         for new type of relaxed_input_section_map_.
9166         * output.h (Output_section::find_relaxed_input_section): Change
9167         return type to Output_relaxed_input_section pointer.
9168         (Output_section::Output_relaxed_input_section_by_input_section_map):
9169         New type.
9170         (Output_section::relaxed_input_section_map_): Change type to
9171         Output_section::Output_relaxed_input_section_by_input_section_map.
9172         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9173         input section.
9174
9175 2009-12-15  Ian Lance Taylor  <iant@google.com>
9176
9177         * layout.cc (Layout::create_shstrtab): Only write out after input
9178         sections if we are compressing debug sections.
9179
9180 2009-12-15  Ian Lance Taylor  <iant@google.com>
9181
9182         * archive.cc (Archive::add_symbols): Only look up a symbol without
9183         a version if there is, in fact, a version.
9184
9185 2009-12-14  Ian Lance Taylor  <iant@google.com>
9186
9187         Revert -Wshadow changes, all changes from:
9188         2009-12-11  Doug Kwan  <dougkwan@google.com>
9189         2009-12-11  Nick Clifton  <nickc@redhat.com>
9190         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9191
9192 2009-12-11  Doug Kwan  <dougkwan@google.com>
9193
9194         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9195         due to -Wshadow.
9196         * attributes.cc (Object_attribute::size): Ditto.
9197         (Attributes_section_data::size): Ditto.
9198         (Attributes_section_data::Attributes_section_data): Ditto.
9199         (Output_attributes_section_data::do_write): Ditto.
9200         * attributes.h (Object_attribute::set_type): Ditto.
9201         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9202
9203 2009-12-11  Nick Clifton  <nickc@redhat.com>
9204
9205         * archive.cc: Fix shadowed variable warnings.
9206         * arm.cc: Likewise.
9207         * compressed_output.cc: Likewise.
9208         * compressed_output.h: Likewise.
9209         * configure: Likewise.
9210         * dwarf_reader.cc: Likewise.
9211         * dynobj.cc: Likewise.
9212         * dynobj.h: Likewise.
9213         * ehframe.cc: Likewise.
9214         * ehframe.h: Likewise.
9215         * errors.cc: Likewise.
9216         * expression.cc: Likewise.
9217         * fileread.cc: Likewise.
9218         * fileread.h: Likewise.
9219         * freebsd.h: Likewise.
9220         * i386.cc: Likewise.
9221         * icf.cc: Likewise.
9222         * incremental.h: Likewise.
9223         * layout.cc: Likewise.
9224         * layout.h: Likewise.
9225         * mapfile.cc: Likewise.
9226         * merge.cc: Likewise.
9227         * merge.h: Likewise.
9228         * object.cc: Likewise.
9229         * object.h: Likewise.
9230         * options.h: Likewise.
9231         * output.cc: Likewise.
9232         * output.h: Likewise.
9233         * parameters.cc: Likewise.
9234         * plugin.cc: Likewise.
9235         * powerpc.cc: Likewise.
9236         * reduced_debug_output.cc: Likewise.
9237         * reduced_debug_output.h: Likewise.
9238         * reloc.cc: Likewise.
9239         * reloc.h: Likewise.
9240         * resolve.cc: Likewise.
9241         * script-sections.cc: Likewise.
9242         * script.cc: Likewise.
9243         * script.h: Likewise.
9244         * sparc.cc: Likewise.
9245         * symtab.cc: Likewise.
9246         * symtab.h: Likewise.
9247         * target-select.cc: Likewise.
9248         * target-select.h: Likewise.
9249         * token.h: Likewise.
9250         * workqueue.cc: Likewise.
9251         * workqueue.h: Likewise.
9252         * x86_64.cc: Likewise.
9253
9254 2009-12-10  Doug Kwan  <dougkwan@google.com>
9255
9256         * arm.cc (attributes.h): New include.
9257         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9258         (Arm_relobj::~Arm_relobj): Delete object pointed by
9259         attributes_section_data_.
9260         (Arm_relobj::attributes_section_data): New method definition.
9261         (Arm_relobj::attributes_section_data_): New data member declaration.
9262         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9263         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9264         attributes_section_data_.
9265         (Arm_dynobj::attributes_section_data): New method definition.
9266         (Arm_dynobj::attributes_section_data_): New data member declaration.
9267         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9268         initialization value of may_use_blx_ to false.
9269         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9270         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9271         object attributes to compute results instead of hard-coding.
9272         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9273         Target_arm::get_secondary_compatible_arch,
9274         Target_arm::set_secondary_compatible_arch
9275         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9276         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9277         New method declarations.
9278         (Target_arm::get_aeabi_object_attribute): New method definition.
9279         (Target_arm::attributes_section_data_): New data member declaration.
9280         (read_arm_attributes_section): New template definition.
9281         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9282         (Arm_dynobj::do_read_symbols): Ditto.
9283         (Target_arm::do_finalize_sections): Merge attributes sections from
9284         input.  Check for BLX use after attributes section merging.
9285         Fix __exidx_start and __exidx_end visibility.  Create an
9286         .ARM.attributes section if necessary.
9287         (Target_arm::get_secondary_compatible_arch,
9288         Target_arm::set_secondary_compatible_arch,
9289         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9290         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9291         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9292         New method definitions.
9293
9294 2009-12-09  Ian Lance Taylor  <iant@google.com>
9295
9296         * plugin.cc (Plugin::load): Don't cast from void* to a function
9297         pointer.
9298
9299 2009-12-09  Ian Lance Taylor  <iant@google.com>
9300
9301         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9302         information fields.
9303
9304 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9305
9306         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9307         Replace two_file_shared_1.so with two_file_shared_2.so.
9308         * testsuite/Makefile.in: Regenerated.
9309
9310 2009-12-08  Doug Kwan  <dougkwan@google.com>
9311
9312         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9313         (HFILES): Add attributes.h and int_encoding.h.
9314         * Makefile.in: Regenerate.
9315         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9316         function definitions to int_encoding.cc
9317         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9318         prototypes to int_encoding.h
9319         * reduced_debug_output.cc (int_encoding.h): New include.
9320         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9321         function definitions to int_encoding.cc
9322         (insert_into_vector, read_from_pointer): Move template definitions to
9323         int_encoding.h
9324         * attributes.cc: New file.
9325         * attributes.h: New file.
9326         * int_encoding.cc: New file.
9327         * int_encoding.h: New file.
9328
9329 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9330
9331         PR gold/11055
9332         * incremental-dump.cc (dump_incremental_inputs): New.
9333         (main): Use dump_incremental_inputs.
9334
9335 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9336
9337         PR gold/10893
9338         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9339         checking elfcpp::STT_FUNC.
9340         (Target_i386::Relocate::relocate): Likewise.
9341         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9342
9343         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9344         symbols from shared libraries into normal FUNC symbols.
9345
9346         * symtab.h (Symbol): Add is_func and use it.
9347
9348 2009-12-05  Doug Kwan  <dougkwan@google.com>
9349
9350         * arm.cc (Target_arm::arm_info): Initialize new fields
9351         attributes_section and attributes_vendor.
9352         * i386.cc (Target_i386::i386_info): Same.
9353         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9354         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9355         fields attributes_section and attributes_vendor.
9356         * sparc.cc (Target_sparc::sparc_info): Same.
9357         * target.h (Target::attributes_section, Target::attributes_vendor,
9358         Target::is_attributes_section, Target::attribute_arg_type,
9359         Target::attributes_order): New method definitions.
9360         (Target::Target_info::attributes_section,
9361         Target::Target_info::attributes_vendor): New fields.
9362         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9363         virtual method definitions.
9364         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9365         attributes_section and attributes_vendor.
9366         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9367
9368 2009-12-05  Doug Kwan  <dougkwan@google.com>
9369
9370         * arm.cc: Update comments about interworking and stub generation.
9371         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9372         considered as non-PIC.
9373         (Arm_relocate_functions::base_abs): Fix formatting.
9374         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9375         of function to use GOT entry address instead of offset.
9376         (Target_arm::Scan::global): Issue an error if a symbol would need a
9377         PLT does not get one because it is untyped.  Remove code to create
9378         dynamic symbols for relative branches.
9379         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9380         takes unsigned integer instead of boolean.
9381
9382 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9383
9384         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9385         (two_file_test_LDADD): Likewise.
9386         (common_test_1_LDADD): Likewise.
9387         (exception_test_LDADD) Likewise.
9388         (weak_test_LDADD): Likewise.
9389         (many_sections_test_LDADD): Likewise.
9390         (initpri1_LDADD): Likewise.
9391         (script_test_1_LDADD): Likewise.
9392         (script_test_2_LDADD): Likewise.
9393         (justsyms_LDADD): Likewise.
9394         (binary_test_LDADD): Likewise.
9395         (large_LDADD): Likewise.
9396         * testsuite/Makefile.in: Regenerated.
9397
9398 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9399
9400         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9401         (Symbol_table::override_with_special): Likewise.
9402         (Symbol_table::add_from_object): Likewise.
9403
9404 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9405
9406         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9407         Don't set the data_offset twice.
9408
9409 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9410
9411         * testsuite/Makefile.in: Regenerate.
9412
9413 2009-12-03  Doug Kwan  <dougkwan@google.com>
9414
9415         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9416         (Target_arm::do_finalize_sections): Add parameter for symbol table
9417         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9418         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9419         parameter for symbol table pointer.
9420         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9421         an additional parameter for a pointer to symbol table.
9422         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9423         parameter for a symbol table pointer.
9424         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9425         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9426         Ditto.
9427         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9428         parameter for a symbol table pointer.
9429
9430 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9431
9432         * incremental.cc (Incremental_inputs_header)
9433         (Incremental_inputs_header_write, Incremental_inputs_entry)
9434         (Incremental_inputs_entry_write): Move ...
9435         * incremental.h (Incremental_inputs_header)
9436         (Incremental_inputs_header_write, Incremental_inputs_entry)
9437         (Incremental_inputs_entry_write): here.
9438
9439 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9440
9441         * incremental.cc (make_sized_incremental_binary): Set the target.
9442         Error if it is incompatible.
9443         * output.h (Output_file): Add filename method.
9444
9445 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9446
9447         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9448         from the get_* methods.
9449
9450 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9451
9452         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9453         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9454         Write 0 for the data_offset of scripts.
9455
9456 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9457
9458         * testsuite/Makefile.am: Add the incremental_test.sh test.
9459         * testsuite/incremental_test.sh: New.
9460         * testsuite/incremental_test_1.c: New.
9461         * testsuite/incremental_test_2.c: New.
9462
9463 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9464
9465         * incremental-dump.cc (main): Fix typos.
9466
9467 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9468
9469         PR gold/11025
9470         * incremental-dump.cc (main): Use llu to print 64 bit values.
9471
9472 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9473             H.J. Lu  <hongjiu.lu@intel.com>
9474
9475         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9476         $(LIBDL).
9477         (incremental_dump_LDADD): Likewise.
9478         * Makefile.in: Regenerated.
9479
9480 2009-11-25  Doug Kwan  <dougkwan@google.com>
9481
9482         Revert:
9483
9484         2009-11-25  Doug Kwan  <dougkwan@google.com>
9485
9486                 * arm.cc (Target_arm::Target_arm): Move method definition
9487                 outside of class definition.  Add code to handle
9488                 --target1-rel, --target1-abs and --target2= options.
9489                 (Target_arm::get_reloc_reloc_type): Change method to be
9490                 non-static and const.
9491                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9492                 New data member declaration.
9493                 (Target_arm::Scan::local, Target_arm::Scan::global,
9494                 Target_arm::Relocate::relocate,
9495                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9496                 Adjust call to Target_arm::get_real_reloc_type.
9497                 (Target_arm::get_real_reloc_type): Use command line options
9498                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9499                 * options.h (--target1-rel, --target1-abs, --target2): New
9500                 ARM-only options.
9501
9502 2009-11-25  Doug Kwan  <dougkwan@google.com>
9503
9504         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9505         class definition.  Add code to handle --target1-rel, --target1-abs
9506         and --target2= options.
9507         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9508         and const.
9509         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9510         member declaration.
9511         (Target_arm::Scan::local, Target_arm::Scan::global,
9512         Target_arm::Relocate::relocate,
9513         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9514         call to Target_arm::get_real_reloc_type.
9515         (Target_arm::get_real_reloc_type): Use command line options to
9516         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9517         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9518         options.
9519
9520 2009-11-25  Doug Kwan  <dougkwan@google.com>
9521
9522         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9523         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9524         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9525         formatting.
9526         (Arm_relocate_functions::thm_call): Replace body with a call to
9527         Arm_relocate_functions::thumb_branch_common.
9528         (Arm_relocate_functions::thm_jump24,
9529         Arm_relocate_functions::thm_xpc22): New method definitions.
9530         (Arm_relocate_functions::thumb_branch_common): New method definition.
9531         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9532         operator.
9533         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9534         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9535
9536 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9537
9538         * Makefile.am: Build incremental-dump
9539         * Makefile.in: Regenerate.
9540         * incremental-dump.cc: New.
9541         * incremental.cc (Incremental_inputs_header_data,
9542         Incremental_inputs_entry_data): Move to incremental.h
9543         * incremental.h: (Incremental_inputs_header_data,
9544         Incremental_inputs_entry_data): Move from incremental.cc
9545
9546 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9547
9548         * incremental.cc (Incremental_inputs_header,
9549         Incremental_inputs_header_write, Incremental_inputs_entry,
9550         Incremental_inputs_entry_write): Add a typedef with the data type.
9551
9552 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9553
9554         * incremental.cc (Incremental_inputs_header,
9555         Incremental_inputs_header_write, Incremental_inputs_entry,
9556         Incremental_inputs_entry_write): Update comment about which
9557         type has the filed descriptions.
9558
9559 2009-11-15  Doug Kwan  <dougkwan@google.com>
9560
9561         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9562         (Arm_relocate_functions::arm_branch_common): Change method defintion
9563         in class definition to a method declaration and update list of formal
9564         parameters.
9565         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9566         Arm_relocation_functions::jump24): Adjust call to
9567         Arm_relocate_functions::arm_branch_common.  Update list of formal
9568         parameters.
9569         (Arm_relocate_functions::xpc25): New method definition.
9570         (Arm_relocate_functions::arm_branch_common): Move method defintion
9571         out from class definition.  Use stubs for mode-switching and extending
9572         branch ranges.
9573         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9574         specially.  Change code to enable use of stubs in ARM branches.
9575
9576 2009-11-10  Doug Kwan  <dougkwan@google.com>
9577
9578         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9579         in method declaration.
9580         (Target_arm::relocate_stub): New method declaration.
9581         (Target_arm::default_target): Change to return a pointer instead of
9582         a const reference.
9583         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9584         Target_arm::default_target.
9585         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9586         method definition.
9587         (Target_arm::relocate_section): Adjust view.
9588         (Target_arm::relocate_stub): New method definition.
9589
9590 2009-11-10  Doug Kwan  <dougkwan@google.com>
9591
9592         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9593         a format warning.
9594         * incremental.cc (open_incremental_binary): Initialized local
9595         variables to avoid warnings.
9596         * object.cc (make_elf_object): Ditto.
9597         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9598         a format warning.
9599
9600 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9601
9602         PR gold/10930
9603         * testsuite/plugin_test.c: Include "config.h".
9604
9605 2009-11-09  Doug Kwan  <dougkwan@google.com>
9606
9607         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9608         (arm_symbol_value): Remove.
9609         (Arm_relocate_functions::arm_branch_common,
9610         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9611         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9612         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9613         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9614         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9615         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9616         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9617         Arm_relocate_functions::thm_mobw_abs_nc,
9618         Arm_relocate_functions::thm_mov_abs,
9619         Arm_relocate_functions::movw_prel_nc,
9620         Arm_relocate_functions::thm_movt_abs,
9621         Arm_relocate_functions::movt_prel,
9622         Arm_relocate_functions::thm_movw_prel_nc,
9623         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9624         (Target_arm::Relocate::relocate): Only decompose address into two
9625         parts if relocation type uses the thumb-bit and pass the actual
9626         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9627         calls to methods in Arm_relocate_functions for this change.
9628
9629 2009-11-08  Ian Lance Taylor  <iant@google.com>
9630
9631         PR 10925
9632         * reloc.cc: Instantiate
9633         Sized_relobj::initialize_input_to_output_maps and
9634         Sized_relobj:free_input_to_output_maps.
9635
9636 2009-11-06  Ian Lance Taylor  <iant@google.com>
9637
9638         PR 10876
9639         * defstd.cc (in_segment): Set only_if_ref true for "end".
9640
9641 2009-11-06  Doug Kwan  <dougkwan@google.com>
9642
9643         * arm.cc (class Reloc_stub): Correct a comment.
9644         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9645         (Target_arm::scan_section_for_stubs): New method declaration.
9646         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9647         Change methods from private to protected.
9648         (Target_arm::do_may_relax): New method definition.
9649         (Target_arm::do_relax, Target_arm::group_sections,
9650         Target_arm::scan_reloc_for_stub,
9651         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9652         (Target_arm::arm_input_section_map_): New data member declaration.
9653         (Target_arm::scan_reloc_for_stub,
9654         Target_arm::scan_reloc_section_for_stubs,
9655         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9656         Target_arm::do_relax): New method definitions.
9657
9658 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9659
9660         * configure.ac: Check for (struct stat)::st_mtim
9661         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9662         * config.in: Regenerate.
9663         * configure: Regenerate.
9664
9665 2009-11-05  Ian Lance Taylor  <iant@google.com>
9666
9667         PR 10910
9668         * output.cc (Output_segment::add_output_section): Add missing
9669         return statement.
9670
9671 2009-11-04  Ian Lance Taylor  <iant@google.com>
9672
9673         PR 10880
9674         * object.h (class Object): Add is_needed and set_is_needed
9675         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9676         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9677         defined in a dynamic object and referenced by a regular object,
9678         set is_needed for the dynamic object.
9679         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9680         if the file is marked with as_needed and it is not needed.
9681
9682 2009-11-04  Ian Lance Taylor  <iant@google.com>
9683
9684         PR 10887
9685         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9686         tags if data is discarded by linker script.
9687         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9688         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9689         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9690         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9691
9692 2009-11-04  Ian Lance Taylor  <iant@google.com>
9693
9694         * layout.cc (Layout::get_output_section): Add is_interp and
9695         is_dynamic_linker_section parameters.  Change all callers.
9696         (Layout::choose_output_section): Likewise.
9697         (Layout::make_output_section): Likewise.
9698         (Layout::add_output_section_data): Add is_dynamic_linker_section
9699         parameter.  Change all callers.
9700         * layout.h (class Layout): Update declarations.
9701         * output.h (class Output_section): Add is_interp, set_is_interp,
9702         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9703         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9704         generate_code_fills_at_write_ to a bitfield.
9705         * output.cc (Output_section::Output_sections): Initialize new
9706         fields.
9707         (Output_segment::add_output_section): Add do_sort parameter.
9708         Change all callers.
9709
9710 2009-11-03  Ian Lance Taylor  <iant@google.com>
9711
9712         PR 10860
9713         * options.h (class General_options): Add --warn-common.
9714         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9715         merging two common symbols.
9716         (Symbol_table::should_override): Handle --warn-common when merging
9717         a common symbol with a defined symbol.  Use report_resolve_problem
9718         for multiple definitions.
9719         (Symbol_table::report_resolve_problem): New function.
9720         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9721
9722 2009-11-03  Doug Kwan  <dougkwan@google.com>
9723
9724         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9725         stub_factory_.
9726         (Target_arm::stub_factory): New method definition.
9727         (Target_arm::new_arm_input_section,
9728         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9729         Target_arm::reloc_uses_thumb_bit): New method declarations.
9730         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9731         New type definitions.
9732         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9733         member declarations.
9734         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9735         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9736         New method definitions.
9737
9738 2009-11-03  Ian Lance Taylor  <iant@google.com>
9739
9740         * options.h (class General_options): Add --warn_constructors.
9741
9742 2009-11-03  Ian Lance Taylor  <iant@google.com>
9743
9744         PR 10893
9745         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9746         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9747
9748 2009-11-03  Ian Lance Taylor  <iant@google.com>
9749
9750         PR 10895
9751         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9752         --msgid-bugs-address.
9753         (install-pdf): New target.
9754         (install-data_yes): Look up one directory to find mkinstalldirs.
9755
9756 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9757
9758         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9759         tree.
9760
9761 2009-10-30  Doug Kwan  <dougkwan@google.com>
9762
9763         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9764
9765 2009-10-30  Doug Kwan  <dougkwan@google.com>
9766
9767         * arm.cc (Stub_addend_reader): New struct template definition
9768         and partial specializations.
9769         (Stub_addend_reader::operator()): New method definition for a
9770         partially specialized template.
9771
9772 2009-10-30  Doug Kwan  <dougkwan@google.com>
9773
9774         * arm.cc (Arm_relobj::processor_specific_flags): New method
9775         definition.
9776         (Arm_relobj::do_read_symbols): New method declaration.
9777         (Arm_relobj::processor_specific_flags_): New data member declaration.
9778         (Arm_dynobj): New class definition.
9779         (Target_arm::do_finalize_sections): Add input_objects parameter.
9780         (Target_arm::do_adjust_elf_header): New method declaration.
9781         (Target_arm::are_eabi_versions_compatible,
9782         (Target_arm::merge_processor_specific_flags): New method declaration.
9783         (Target_arm::do_make_elf_object): New overloaded method definitions
9784         and declaration.
9785         (Arm_relobj::do_read_symbols): New method definition.
9786         (Arm_dynobj::do_read_symbols): Ditto.
9787         (Target_arm::do_finalize_sections): Add input_objects parameters.
9788         Merge processor-specific flags from all input objects.
9789         (Target_arm::are_eabi_versions_compatible,
9790         Target_arm::merge_processor_specific_flags,
9791         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9792         New method definitions.
9793         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9794         Input_objects pointer type parameter.
9795         * layout.cc (Layout::finalize): Pass input objects to target's.
9796         finalize_sections function.
9797         * output.cc (Output_file_header::do_sized_write): Set ELF file
9798         header's processor-specific flags.
9799         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9800         Input_objects pointer type parameter.
9801         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9802         * target.h (Input_objects): New forward class declaration.
9803         (Target::processor_specific_flags,
9804         Target::are_processor_specific_flags_sect): New method definitions.
9805         (Target::finalize_sections): Add input_objects parameter.
9806         (Target::Target): Initialize processor_specific_flags_ and
9807         are_processor_specific_flags_set_.
9808         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9809         parameter.
9810         (Target::set_processor_specific_flags): New method definition.
9811         (Target::processor_specific_flags_,
9812         Target::are_processor_specific_flags_set_): New data member
9813         declarations.
9814         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9815         Input_objects pointer type parameter.
9816
9817 2009-10-30  Doug Kwan  <dougkwan@google.com>
9818
9819         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9820
9821 2009-10-28  Ian Lance Taylor  <iant@google.com>
9822
9823         * object.h (class Relobj): Drop options parameter from
9824         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9825         do_scan_relocs, do_relocate.  Change all callers.
9826         (class Sized_relobj): Drop options parameters from
9827         do_gc_process_relocs, do_scan_relocs, do_relocate,
9828         do_relocate_sections, relocate_sections, emit_relocs_scan,
9829         emit_relocs_scan_reltype.  Change all callers.
9830         (struct Relocate_info): Remove options field and all references to
9831         it.
9832         * reloc.h (class Read_relocs): Remove options constructor
9833         parameter and options_ field.  Change all callers.
9834         (class Gc_process_relocs, class Scan_relocs): Likewise.
9835         (class Relocate_task): Likewise.
9836         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9837         all callers.
9838         (scan_relocatable_relocs): Likewise.
9839         * target.h (class Sized_target): Remove options parameter from
9840         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9841         all callers.
9842         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9843         callers.
9844         * arm.cc: Update functions to remove options parameters.
9845         * i386.cc: Likewise.
9846         * powerpc.cc: Likewise.
9847         * sparc.cc: Likewise.
9848         * x86_64.cc: Likewise.
9849         * testsuite/testfile.cc: Likewise.
9850
9851 2009-10-28  Doug Kwan  <dougkwan@google.com>
9852
9853         * arm.cc (Arm_relobj): New class definition.
9854         (Arm_relobj::scan_sections_for_stubs,
9855         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9856         New method definitions.
9857
9858 2009-10-28  Cary Coutant  <ccoutant@google.com>
9859
9860         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9861         (Plugin::cleanup_done_): New member.
9862         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9863         (Plugin_manager::cleanup_done_): Remove.
9864         (Plugin_manager::add_input_file): Edit error message.
9865         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9866         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9867
9868 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9869
9870         * fileread.cc: (File_read::View::~View): Use the new
9871         data_ownership_ filed.
9872         (File_read::~File_read): Dispose the new whole_file_view_.
9873         (File_read::open): Mmap the whole file if needed.
9874         (File_read::open): Use whole_file_view_ instead of contents_.
9875         (File_read::find_view): Use whole_file_view_ if applicable.
9876         (File_read::do_read): Use whole_file_view_ instead of contents_.
9877         (File_read::make_view): Use whole_file_view_ instead of contents_,
9878         update File_read::View::View call.
9879         (File_read::find_or_make_view): Update File_read::View::View
9880         call.
9881         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9882         remove contents_
9883         (File_read::View::Data_ownership): New enum.
9884         (File_read::View::View): Replace bool mapped_ with Data_ownership
9885         argument.
9886         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9887         (File_read::View::data_ownership_): New field.
9888         (File_read::contents_): Remove (replaced by whole_file_view_).
9889         (File_read::whole_file_view_): New field.
9890         * options.h (class General_options): Add --keep-files-mapped.
9891
9892 2009-10-27  Cary Coutant  <ccoutant@google.com>
9893
9894         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9895         * testsuite/Makefile.am (plugin_test_5): New test case.
9896         * testsuite/Makefile.in: Regenerate.
9897
9898 2009-10-25  Doug Kwan  <dougkwan@google.com>
9899
9900         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9901         from private to protected to allow access by child class.
9902         (Sized_relobj::do_relocate_sections): New method declaration.
9903         (Sized_relobj::relocate_sections): Virtualize.
9904         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9905         Sized_relobj::relocate_sections.  Instantiate template explicitly
9906         for different target sizes and endianity.
9907
9908 2009-10-24  Doug Kwan  <dougkwan@google.com>
9909
9910         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9911         (Arm_input_section::as_arm_input_section): New method.
9912         (Arm_output_section): New class definition.
9913         (Arm_output_section::create_stub_group,
9914         Arm_output_section::group_sections): New method definitions.
9915
9916 2009-10-22  Doug Kwan  <dougkwan@google.com>
9917
9918         * arm.cc (Arm_input_section): New class definition.
9919         (Arm_input_section::init, Arm_input_section:do_write,
9920         Arm_input_section::set_final_data_size,
9921         Arm_input_section::do_reset_address_and_file_offset): New method
9922         definitions.
9923
9924 2009-10-21  Doug Kwan  <dougkwan@google.com>
9925
9926         * arm.cc (Stub_table, Arm_input_section): New forward class
9927         declarations.
9928         (Stub_table): New class defintion.
9929         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9930         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9931         New method definition.
9932
9933 2009-10-21  Doug Kwan  <dougkwan@google.com>
9934
9935         * arm.cc: Update copyright comments.
9936         (Target_arm): New forward class template declaration.
9937         (Arm_address): New type.
9938         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9939         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9940         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9941         constants.
9942         (Insn_template): Same.
9943         (DEF_STUBS): New macro.
9944         (Stub_type): New enum type.
9945         (Stub_template): New class definition.
9946         (Stub): Same.
9947         (Reloc_stub): Same.
9948         (Stub_factory): Same.
9949         (Target_arm::Target_arm): Initialize may_use_blx_ and
9950         should_force_pic_veneer_.
9951         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9952         Target_arm::should_force_pic_veneer,
9953         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9954         Target_arm::using_thumb_only, Target_arm:;default_target): New
9955         method defintions.
9956         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9957         New data member declarations.
9958         (Insn_template::size, Insn_template::alignment): New method defintions.
9959         (Stub_template::Stub_template): New method definition.
9960         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9961         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9962         (Stub_factory::Stub_factory): New method definition.
9963         * gold.h (string_hash): New template.
9964         * output.h (Input_section_specifier::hash_value): Use
9965         gold::string_hash.
9966         (Input_section_specifier::string_hash): Remove.
9967         * stringpool.cc (Stringpool_template::string_hash): Use
9968         gold::string_hash.
9969
9970 2009-10-20  Doug Kwan  <dougkwan@google.com>
9971
9972         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9973         symbols of relaxed input sections.
9974         * output.h (Output_section::find_relaxed_input_section): Make
9975         method public.
9976
9977 2009-10-16  Doug Kwan  <dougkwan@google.com>
9978
9979         * dynobj.cc (Versions::Versions): Initialize version_script_.
9980         Only insert base version symbol definition for a shared object
9981         if version script defines any version versions.
9982         (Versions::define_base_version): New method definition.
9983         (Versions::add_def): Check that base version is not needed.
9984         (Versions::add_need): Define base version lazily.
9985         * dynobj.h (Versions::define_base_version): New method declaration.
9986         (Versions::needs_base_version_): New data member declaration.
9987         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9988         (check_DATA): Add no_version_test.stdout.
9989         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9990         New make rules.
9991         * testsuite/Makefile.in: Regenerate.
9992         * testsuite/no_version_test.c: New file.
9993         * testsuite/no_version_test.sh: Ditto.
9994
9995 2009-10-16  Doug Kwan  <dougkwan@google.com>
9996
9997         * expression.cc (class Segment_start_expression): New class definition.
9998         (Segment_start_expression::value): New method definition.
9999         (script_exp_function_segment_start): Return a new
10000         Segment_start_expression.
10001         * gold/script-c.h (script_saw_segment_start_expression): New function
10002         prototype.
10003         * script-sections.cc (Script_sections::Script_sections): Initialize
10004         SAW_SEGMENT_START_EXPRESSION_ to false.
10005         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10006         and -Tbbs options to specify section addresses if given in
10007         command line and no SEGMENT_START expression is seen in a script.
10008         * script-sections.h (Script_sections::saw_segment_start_expression,
10009         Script_sections::set_saw_segment_start_expression): New method
10010         definition.
10011         (Script_sections::saw_segment_start_expression_): New data member
10012         declaration.
10013         * script.cc (script_saw_segment_start_expression): New function.
10014         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10015         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10016         script_test_7.sh and script_test_8.sh.
10017         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10018         script_test_8.stdout.
10019         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10020         (script_test_6, script_test_6.stdout, script_test_7,
10021         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10022         * Makefile.in: Regenerate.
10023         * testsuite/script_test_6.sh: New file.
10024         * testsuite/script_test_6.t: Same.
10025         * testsuite/script_test_7.sh: Same.
10026         * testsuite/script_test_7.t: Same.
10027         * testsuite/script_test_8.sh: Same.
10028
10029 2009-10-16  Doug Kwan  <dougkwan@google.com>
10030
10031         * output.cc (Output_segment::set_section_list_address): Cast
10032         expressions to unsigned long long type to avoid format warnings.
10033
10034 2009-10-15  Ian Lance Taylor  <iant@google.com>
10035
10036         * script.cc (Script_options::add_symbol_assignment): Always add a
10037         dot assignment to script_sections_.
10038         * script-sections.cc (Script_sections::add_dot_assignment):
10039         Initialize if necessary.
10040
10041         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10042         program headers with no load segment if there is a linker script.
10043
10044         * layout.cc (Layout::set_segment_offsets): Align the file offset
10045         to the segment aligment for -N or -n with no load segment.
10046         * output.cc (Output_segment::add_output_section): Don't crash if
10047         the first section is a TLS section.
10048         (Output_segment::set_section_list_addresses): Print an error
10049         message if the address moves backward in a linker script.
10050         * script-sections.cc
10051         (Output_section_element_input::set_section_addresses): Don't
10052         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10053         (Orphan_output_section::set_section_addresses): Likewise.
10054
10055 2009-10-15  Doug Kwan  <dougkwan@google.com>
10056
10057         * layout.cc (Layout::finish_dynamic_section): Generate tags
10058         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10059         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10060         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10061
10062 2009-10-14  Ian Lance Taylor  <iant@google.com>
10063
10064         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10065         fields.
10066         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10067         data_shdr fields of relinfo.
10068         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10069         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10070         R_386_TLS_LDO_32, adjust based on section flags.
10071         (Target_i386::Relocate::fix_up_ldo): Remove.
10072
10073 2009-10-13  Ian Lance Taylor  <iant@google.com>
10074
10075         Add support for -pie.
10076         * options.h (class General_options): Add -pie and
10077         --pic-executable.
10078         (General_options::output_is_position_independent): Test -pie.
10079         (General_options::output_is_executable): Return true if not shared
10080         and not relocatable.
10081         (General_options::output_is_pie): Remove.
10082         * options.cc (General_options::finalize): Reject incompatible uses
10083         of -pie.
10084         * gold.cc (queue_middle_tasks): A -pie link is not static.
10085         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10086         * symtab.cc (Symbol::final_value_is_known): Return false if
10087         output_is_position_independent.
10088         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10089         output_is_position_independent.
10090         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10091         output_is_position_independent.
10092         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10093         output_is_position_independent.
10094         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10095         two_file_pie_test.
10096         (basic_pie_test.o, basic_pie_test): New targets.
10097         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10098         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10099         (two_file_pie_test): New target.
10100         * testsuite/Makefile.in: Rebuild.
10101         * README: Remove note saying that -pie is not supported.
10102
10103 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10104
10105         * options.h (class General_options): Add -init and -fini.
10106         * layout.cc (Layout::finish_dynamic_section): Emit
10107         given init and fini functions.
10108
10109 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10110
10111         * gc.h (gc_process_relocs): Check if icf is enabled using new
10112         function.
10113         * gold.cc (queue_initial_tasks): Likewise.
10114         (queue_middle_tasks): Likewise.
10115         * object.cc (do_layout): Likewise.
10116         * symtab.cc (is_section_folded): Likewise.
10117         * main.cc (main): Likewise.
10118         * reloc.cc (Read_relocs::run): Likewise.
10119         (Sized_relobj::do_scan_relocs): Likewise.
10120         * icf.cc (is_function_ctor_or_dtor): New function.
10121         (Icf::find_identical_sections): Check if function is ctor or dtor when
10122         safe icf is chosen.
10123         * options.h (General_options::icf): Change option to be an enum.
10124         (Icf_status): New enum.
10125         (icf_enabled): New method.
10126         (icf_safe_folding): New method.
10127         (set_icf_status): New method.
10128         (icf_status_): New variable.
10129         * (options.cc) (General_options::finalize): Set icf_status_.
10130         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10131         icf_test and icf_keep_unique_test to use the --icf enum flag.
10132         * testsuite/icf_safe_test.sh: New file.
10133         * testsuite/icf_safe_test.cc: New file.
10134
10135 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10136
10137         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10138         includes to gc.h and icf.h.
10139         * arm.cc: Include gc.h.
10140         * gold.cc: Likewise.
10141         * i386.cc: Likewise.
10142         * powerpc.cc: Likewise.
10143         * sparc.cc: Likewise.
10144         * x86_64.cc: Likewise.
10145         * gc.h: Include icf.h.
10146
10147 2009-10-11  Ian Lance Taylor  <iant@google.com>
10148
10149         * plugin.cc: Include "gold.h" before other header files.
10150
10151 2009-10-10  Chris Demetriou  <cgd@google.com>
10152
10153         * options.h (Input_file_argument::Input_file_type): New enum.
10154         (Input_file_argument::is_lib_): Replace with...
10155         (Input_file_argument::type_): New member.
10156         (Input_file_argument::Input_file_argument): Take Input_file_type
10157         'type' rather than boolean 'is_lib' as second argument.
10158         (Input_file_argument::is_lib): Use type_.
10159         (Input_file_argument::is_searched_file): New function.
10160         (Input_file_argument::may_need_search): Handle is_searched_file.
10161         * options.cc (General_options::parse_library): Support -l:filename.
10162         (General_options::parse_just_symbols): Update for Input_file_argument
10163         changes.
10164         (Command_line::process): Likewise.
10165         * archive.cc (Archive::get_file_and_offset): Likewise.
10166         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10167         * script.cc (read_script_file, script_add_file): Likewise.
10168         * fileread.cc (Input_file::Input_file): Likewise.
10169         (Input_file::will_search_for): Handle is_searched_file.
10170         (Input_file::open): Likewise.
10171         * readsyms.cc (Read_symbols::get_name): Likewise.
10172         * testsuite/Makefile.am (searched_file_test): New test.
10173         * testsuite/Makefile.in: Regenerate.
10174         * testsuite/searched_file_test.cc: New file.
10175         * testsuite/searched_file_test_lib.cc: New file.
10176
10177 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10178             Ian Lance Taylor  <iant@google.com>
10179
10180         * descriptor.cc: Include <cstdio> and "binary-io.h".
10181         (Descriptors::open): Open the files in binary mode always.
10182         * script.cc (Lex::get_token): Treat \r as whitespace.
10183
10184 2009-10-09  Ian Lance Taylor  <iant@google.com>
10185
10186         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10187
10188 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10189             Ian Lance Taylor  <iant@google.com>
10190
10191         * configure.ac: Check for readv function also.
10192         * fileread.cc (readv): Define if not HAVE_READV.
10193         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10194         does not exist.
10195         * config.in: Regenerate.
10196         * configure: Regenerate.
10197
10198 2009-10-09  Doug Kwan  <dougkwan@google.com>
10199
10200         * layout.cc (Layout::make_output_section): Call target hook to make
10201         ordinary output section.
10202         (Layout::finalize): Adjust parameter list of call the
10203         Target::may_relax().
10204         * layout.h (class Layout::section_list): New method.
10205         * merge.h (Output_merge_base::entsize): Change visibility to public.
10206         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10207         New methods.
10208         (Output_merge_string::do_is_string): New method.
10209         * object.cc (Sized_relobj::do_setup): renamed from
10210         Sized_relobj::set_up.
10211         * object.h (Sized_relobj::adjust_shndx,
10212         Sized_relobj::initializ_input_to_output_maps,
10213         Sized_relobj::free_input_to_output_maps): Change visibilities to
10214         protected.
10215         (Sized_relobj::setup): Virtualize.
10216         (Sized_relobj::do_setup): New method declaration.
10217         (Sized_relobj::invalidate_section_offset,
10218         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10219         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10220         * options.cc (parse_int): New function.
10221         * options.h (parse_int): New declaration.
10222         (DEFINE_int): New macro.
10223         (stub_group_size): New option.
10224         * output.cc (Output_section::Output_section): Initialize memebers
10225         merge_section_map_, merge_section_by_properties_map_,
10226         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10227         (Output_section::add_input_section): Handled deferred code-fill
10228         generation and remove an old comment.
10229         (Output_section::add_relaxed_input_section): New method definition.
10230         (Output_section::add_merge_input_section): Use merge section by
10231         properties map to speed to search.  Update merge section maps
10232         as appropriate.
10233         (Output_section::build_relaxation_map): New method definition.
10234         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
10235         Same.
10236         (Output_section::relax_input_section): Renamed to
10237         Output_section::convert_input_sections_to_relaxed_sections and change
10238         interface to take a vector of pointers to relaxed sections.
10239         (Output_section::find_merge_section,
10240         Output_section::find_relaxed_input_section): New method definitions.
10241         (Output_section::is_input_address_mapped,
10242         Output_section::output_offset, Output_section::output_address):
10243         Use output section data maps to speed up searching.
10244         (Output_section::find_starting_output_address): Add comments.
10245         (Output_section::do_write,
10246         Output_section::write_to_postprocessing_buffer): Do code-fill
10247         generation as appropriate.
10248         (Output_section::get_input_sections): Invalidate relaxed input section
10249         map.
10250         (Output_section::restore_states): Adjust type of checkpoint .
10251         Invalidate relaxed input section map.
10252         * output.h (Output_merge_base): New class declaration.
10253         (Input_section_specifier): New class defintion.
10254         (class Output_relaxed_input_section) Change base class to
10255         Output_section_data_build.
10256         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10257         base class initializer.
10258         (Output_section::add_relaxed_input_section): New method declaration.
10259         (Output_section::Input_section): Change visibility to protected.
10260         (Output_section::Input_section::relobj,
10261         Output_section::Input_section::shndx): Handle relaxed input sections.
10262         Output_section::input_sections) Change visibility to protected.  Also
10263         define overload to return a non-const pointer.
10264         (Output_section::Merge_section_properties): New class defintion.
10265         (Output_section::Merge_section_by_properties_map,
10266         Output_section::Output_section_data_by_input_section_map,
10267         Output_section::Relaxation_map): New types.
10268         (Output_section::relax_input_section): Rename method to
10269         Output_section::convert_input_sections_to_relaxed_sections and change
10270         interface to take a vector of relaxed section pointers.
10271         (Output_section::find_merge_section,
10272         Output_section::find_relaxed_input_section,
10273         Output_section::build_relaxation_map,
10274         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10275         New method declarations.
10276         (Output_section::merge_section_map_
10277         Output_section::merge_section_by_properties_map_,
10278         Output_section::relaxed_input_section_map_,
10279         Output_section::is_relaxed_input_section_map_valid_,
10280         Output_section::generate_code_fills_at_write_): New data members.
10281         * script-sections.cc
10282         (Output_section_element_input::set_section_addresses): Call
10283         current_data_size and addralign methods of relaxed input sections.
10284         (Orphan_output_section::set_section_addresses): Call current_data_size
10285         and addralign methods of relaxed input sections.
10286         * symtab.cc (Symbol_table::compute_final_value): Extract template
10287         from the body of Symbol_table::sized_finalize_symbol.
10288         (Symbol_table::sized_finalized_symbol): Call
10289         Symbol_table::compute_final_value.
10290         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10291         (Symbol_table::compute_final_value): New templated method declaration.
10292         * target.cc (Target::do_make_output_section): New method defintion.
10293         * target.h (Target::make_output_section): New method declaration.
10294         (Target::relax): Add more parameters for input objects, symbol table
10295         and layout.  Adjust call to do_relax.
10296         (Target::do_make_output_section): New method declaration.
10297         (Target::do_relax): Add parameters for input objects, symbol table
10298         and layout.
10299
10300 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10301
10302         * pread.c: Include stdio.h.
10303
10304 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10305
10306         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10307         defined.
10308
10309 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10310
10311         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10312         Change read_shndx type to unsigned int.
10313         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10314         int.
10315         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10316         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10317         Change read_shndx type to unsigned int.
10318         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10319         int.
10320         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10321         * layout.cc (Layout::create_symtab_sections): Cast the result of
10322         local_symcount * symsize to off_t in the gold_assert.
10323
10324 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10325
10326         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10327         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10328         R_ARM_BASE_ABS.
10329         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10330         (Arm_relocate_functions::thm_abs5): New function.
10331         (Arm_relocate_functions::abs12): New function.
10332         (Arm_relocate_functions::abs16): New function.
10333         (Arm_relocate_functions::base_abs): New function.
10334         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10335         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10336         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10337         R_ARM_BASE_ABS.
10338         (Scan::global): Likewise.
10339         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10340         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10341         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10342         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10343         R_ARM_BASE_ABS.
10344
10345 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10346
10347         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10348         (Arm_relocate_functions::movt_prel): New function.
10349         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10350         (Arm_relocate_functions::thm_movt_prel): New function.
10351         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10352         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10353         (Scan::global, Relocate::relocate): Likewise.
10354         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10355
10356 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10357
10358         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10359         Incremental_checker.
10360         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10361         unsigned int.
10362         (class Incremental_inputs_header): New class.
10363         (Incremental_inputs_header_writer): Edit comment.
10364         (Incremental_inputs_entry): New class.
10365         (Incremental_inputs_entry_writer): Edit comment.
10366         (Sized_incremental_binary::do_find_incremental_inputs_section):
10367         Add *strtab_shndx parameter, fill it.
10368         (Sized_incremental_binary::do_check_inputs): New method.
10369         (Incremental_checker::can_incrementally_link_output_file): Use
10370         Sized_incremental_binary::check_inputs.
10371         (Incremental_inputs::report_command_line): Save command line in
10372         command_line_.
10373         * incremental.h:
10374         (Incremental_binary::find_incremental_inputs_section): New
10375         method.
10376         (Incremental_binary::do_find_incremental_inputs_section): Add
10377         strtab_shndx parameter.
10378         (Incremental_binary::do_check_inputs): New pure virtual method.
10379         (Sized_incremental_binary::do_check_inputs): Declare.
10380         (Incremental_checker::Incremental_checker): Add incremental_inputs
10381         parameter, use it to initialize incremental_inputs_.
10382         (Incremental_checker::incremental_inputs_): New field.
10383         (Incremental_checker::command_line): New method.
10384         (Incremental_checker::inputs): New method.
10385         (Incremental_checker::command_line_): New field.
10386
10387 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10388
10389         * incremental.cc: Include <cstdarg> and "target-select.h".
10390         (vexplain_no_incremental): New function.
10391         (explain_no_incremental): New function.
10392         (Incremental_binary::error): New method.
10393         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10394         method.
10395         (make_sized_incremental_binary): New function.
10396         (open_incremental_binary): New function.
10397         (can_incrementally_link_file): Add checks if output is ELF and has
10398         inputs section.
10399         * incremental.h: Include "elfcpp_file.h" and "output.h".
10400         (Incremental_binary): New class.
10401         (Sized_incremental_binary): New class.
10402         (open_incremental_binary): Declare.
10403         * object.cc (is_elf_object): Use
10404         elfcpp::Elf_recognizer::is_elf_file.
10405         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10406         * output.h (Output_file::filesize): New method.
10407
10408 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10409
10410         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10411         New function.
10412         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10413         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10414         function.
10415         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10416         function.
10417         (Arm_relocate_functions::movw_abs_nc): New function.
10418         (Arm_relocate_functions::movt_abs): New function.
10419         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10420         (Arm_relocate_functions::thm_movt_abs): New function.
10421         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10422         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10423         (Scan::global): Likewise.
10424         (Relocate::relocate): Likewise.
10425         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10426
10427 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10428
10429         * arm.cc (Arm_relocate_functions::got_prel) New function.
10430         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10431         (Relocate::relocate): Likewise.
10432         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10433
10434 2009-10-06  Ian Lance Taylor  <iant@google.com>
10435
10436         * options.h (class General_options): Define
10437         split_stack_adjust_size parameter.
10438         * object.h (class Object): Add uses_split_stack_ and
10439         has_no_split_stack_ fields.  Add uses_split_stack and
10440         has_no_split_stack accessor functions.  Declare
10441         handle_split_stack_section.
10442         (class Reloc_symbol_changes): Define.
10443         (class Sized_relobj): Define Function_offsets.  Declare
10444         split_stack_adjust, split_stack_adjust_reltype, and
10445         find_functions.
10446         * object.cc (Object::handle_split_stack_section): New function.
10447         (Sized_relobj::do_layout): Call handle_split_stack_section.
10448         * dynobj.cc (Sized_dynobj::do_layout): Call
10449         handle_split_stack_section.
10450         * reloc.cc (Sized_relobj::relocate_sections): Call
10451         split_stack_adjust for executable sections in split_stack
10452         objects.  Pass reloc_map to relocate_section.
10453         (Sized_relobj::split_stack_adjust): New function.
10454         (Sized_relobj::split_stack_adjust_reltype): New function.
10455         (Sized_relobj::find_functions): New function.
10456         * target-reloc.h: Include "object.h".
10457         (relocate_section): Add reloc_symbol_changes parameter.  Change
10458         all callers.
10459         * target.h (class Target): Add calls_non_split method.  Declare
10460         do_calls_non_split virtual method.  Declare match_view and
10461         set_view_to_nop.
10462         * target.cc: Include "elfcpp.h".
10463         (Target::do_calls_non_split): New function.
10464         (Target::match_view): New function.
10465         (Target::set_view_to_nop): New function.
10466         * gold.cc (queue_middle_tasks): Give an error if mixing
10467         split-stack and non-split-stack objects with -r.
10468         * i386.cc (Target_i386::relocate_section): Add
10469         reloc_symbol_changes parameter.
10470         (Target_i386::do_calls_non_split): New function.
10471         * x86_64.cc (Target_x86_64::relocate_section): Add
10472         reloc_symbol_changes parameter.
10473         (Target_x86_64::do_calls_non_split): New function.
10474         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10475         parameter.
10476         * powerpc.cc (Target_powerpc::relocate_section): Add
10477         reloc_symbol_changes parameter.
10478         * sparc.cc (Target_sparc::relocate_section): Add
10479         reloc_symbol_changes parameter.
10480         * configure.ac: Call AM_CONDITIONAL for the default target.
10481         * configure: Rebuild.
10482         * testsuite/Makefile.am (TEST_AS): New variable.
10483         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10484         (check_DATA): Add split_i386 and split_x86_64 files.
10485         (SPLIT_DEFSYMS): Define.
10486         (split_i386_[1234n].o): New targets.
10487         (split_i386_[124]): New targets.
10488         (split_i386_[1234r].stdout): New targets.
10489         (split_x86_64_[1234n].o): New targets.
10490         (split_x86_64_[124]): New targets.
10491         (split_x86_64_[1234r].stdout): New targets.
10492         (MOSTLYCLEANFILES): Add new executables.
10493         * testsuite/split_i386.sh: New file.
10494         * testsuite/split_x86_64.sh: New file.
10495         * testsuite/split_i386_1.s: New file.
10496         * testsuite/split_i386_2.s: New file.
10497         * testsuite/split_i386_3.s: New file.
10498         * testsuite/split_i386_4.s: New file.
10499         * testsuite/split_i386_n.s: New file.
10500         * testsuite/split_x86_64_1.s: New file.
10501         * testsuite/split_x86_64_2.s: New file.
10502         * testsuite/split_x86_64_3.s: New file.
10503         * testsuite/split_x86_64_4.s: New file.
10504         * testsuite/split_x86_64_n.s: New file.
10505         * testsuite/testfile.cc (Target_test): Update relocation_section
10506         function.
10507         * testsuite/Makefile.in: Rebuild.
10508
10509 2009-10-06  Ian Lance Taylor  <iant@google.com>
10510
10511         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10512         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10513         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10514         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10515         the address on ldo_addrs_.
10516         (Target_i386::Relocate::fix_up_ldo): New function.
10517
10518 2009-10-06   Rafael Espindola  <espindola@google.com>
10519
10520         * plugin.cc (add_input_library): New.
10521         (Plugin::load): Add add_input_library to tv.
10522         (Plugin_manager::add_input_file): Add the is_lib argument.
10523         (add_input_file): Update call to Plugin_manager::add_input_file.
10524         (add_input_library): New.
10525         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10526
10527 2009-09-30  Doug Kwan  <dougkwan@google.com>
10528
10529         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10530         symbol and call Symbol::may_need_copy_reloc to determine if
10531         a copy reloc is needed.
10532         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10533         nocopyreloc is given in command line.
10534         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10535         given in command line.
10536         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10537         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10538         of the removed Target_i386::may_need_copy_reloc.
10539         * options.h (copyreloc): New option with default value false.
10540         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10541         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10542         instead of the removed Target_powerpc::may_need_copy_reloc.
10543         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10544         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10545         instead of the removed Target_sparc::may_need_copy_reloc.
10546         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10547         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10548         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10549         instead of the removed Target_x86_64::may_need_copy_reloc.
10550
10551 2009-09-30  Ian Lance Taylor  <iant@google.com>
10552
10553         * object.h (class Object): Remove target_ field, and target,
10554         sized_target, and set_target methods.
10555         (Object::sized_target): Remove.
10556         (class Sized_relobj): Update declarations.  Remove sized_target.
10557         * object.cc (Sized_relobj::setup): Remove target parameter.
10558         Change all callers.
10559         (Input_objects::add_object): Don't do anything with the target.
10560         (make_elf_sized_object): Add punconfigured parameter.  Change all
10561         callers.  Set or test parameter target.
10562         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10563         Change all callers.
10564         * parameters.cc (Parameters::set_target): Change parameter type to
10565         be non-const.
10566         (Parameters::default_target): Remove.
10567         (set_parameters_target): Change parameter type to be non-const.
10568         (parameters_force_valid_target): New function.
10569         (parameters_clear_target): New function.
10570         * parameters.h (class Parameters): Update declarations.  Remove
10571         default_target method.  Add sized_target and clear_target
10572         methods.  Change target_ to be non-const.
10573         (set_parameters_target): Update declaration.
10574         (parameters_force_valid_target): Declare.
10575         (parameters_clear_target): Declare.
10576         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10577         as NULL if we aren't searching.
10578         (Add_symbols::run): Don't check for compatible target.
10579         * fileread.cc (Input_file::open_binary): Call
10580         parameters_force_valid_target.
10581         * gold.cc (queue_middle_tasks): Likewise.
10582         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10583         set_target on object.
10584         * dynobj.h (class Sized_dynobj): Update declarations.
10585         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10586         make_elf_object returns NULL.
10587         (Archive::include_member): Don't check whether object target is
10588         compatible.
10589         * output.cc (Output_section::add_input_section): Get target from
10590         parameters.
10591         (Output_section::relax_input_section): Likewise.
10592         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10593         parameters.
10594         (Sized_relobj::do_scan_relocs): Likewise.
10595         (Sized_relobj::relocate_sections): Likewise.
10596         * resolve.cc (Symbol_table::resolve): Likewise.
10597         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10598         parameter.  Change all callers.
10599         (Symbol_table::add_from_object): Get target from parameters.
10600         (Symbol_table::add_from_relobj): Don't check object target.
10601         (Symbol_table::add_from_dynobj): Likewise.
10602         (Symbol_table::define_special_symbol): Get target from
10603         parameters.
10604         * symtab.h (class Symbol_table): Update declaration.
10605         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10606         parameter.  Change all callers.  Clear parameter target.
10607         (Binary_test): Test target here.
10608         * testsuite/object_unittest.cc (gold_testsuite): Remove
10609         target_test_pointer parameter.  Change all callers.
10610         (Object_test): Test target here.
10611
10612 2009-09-26  Ian Lance Taylor  <iant@google.com>
10613
10614         * testsuite/initpri1.c: Don't try to use constructor priorities if
10615         compiling with gcc before 4.3.
10616
10617 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10618
10619         * testsuite/retain_symbols_file_test.sh (check_present): Change
10620         output file name to retain_symbols_file_test.stdout.
10621         (check_absent): Likewise.
10622
10623 2009-09-18  Craig Silverstein  <csilvers@google.com>
10624
10625         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10626         * options.cc: Include <cerrno> and <fstream>.
10627         (General_options::finalize): Parse -retain-symbols-file tag.
10628         * options.h: New flag.
10629         (General_options): New method should_retain_symbol, new
10630         variable symbols_to_retain.
10631         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10632         should_retain_symbol map.
10633         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10634         * testsuite/Makefile.in: Regenerate.
10635         * testsuite/retain_symbols_file_test.sh: New file.
10636
10637 2009-09-18  Nick Clifton  <nickc@redhat.com>
10638
10639         * po/es.po: Updated Spanish translation.
10640
10641 2009-09-17  Doug Kwan  <dougkwan@google.com>
10642
10643         * debug.h (DEBUG_RELAXATION): New constant.
10644         (DEBUG_ALL): Add DEBUG_RELAXATION.
10645         (debug_string_to_enum): Add relaxation debug option.
10646         * layout.cc
10647         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10648         Layout::Relaxation_debug_check::read_sections,
10649         Layout::Relaxation_debug_check::read_sections): New method definitions.
10650         (Layout::Layout): Initialize data members
10651         record_output_section_data_from_scrips_,
10652         script_output_section_data_list_ and relaxation_debug_check_.
10653         (Layout::save_segments, Layout::restore_segments,
10654         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10655         Layout::relaxation_loop_body): New method definitions.
10656         (Layout::finalize): Support relaxation.  Move section layout code to
10657         Layout::relaxation_loop_body.
10658         (Layout::set_asection_address_from_script): Move code for orphan
10659         section placement out.
10660         (Layout::place_orphan_sections_in_script): New method definition.
10661         * layout.h (Output_segment_headers, Output_file_header):
10662         New forward class declarations.
10663         (Layout::~Layout): Define.
10664         (Layout::new_output_section_data_from_script): New method definition.
10665         (Layout::place_orphan_sections_in_script): New method declaration.
10666         (Layout::Segment_states): New type declaration.
10667         (Layout::save_segments, Layout::restore_segments,
10668         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10669         Layout::relaxation_loop_body): New method declarations.
10670         (Layout::Output_section_data_list): New type declaration.
10671         (Layout::Relaxation_debug_check): New class definition.
10672         (Layout::record_output_section_data_from_script_,
10673         Layout::script_output_section_data_list_, Layout::segment_states_,
10674         Layout::relaxation_debug_check_): New data members.
10675         * output.cc: (Output_section_headers::do_size): New method definition.
10676         (Output_section_headers::Output_section_headers): Move size
10677         computation to Output_section_headers::do_size.
10678         (Output_segment_headers::do_size): New method definition.
10679         (Output_file_header::Output_file_header): Move size computation to
10680         Output_file_header::do_size and call it.
10681         (Output_file_header::do_size): New method definition.
10682         (Output_data_group::Output_data_group): Adjust call to
10683         Output_section_data.
10684         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10685         (Output_symtab_xindex::do_write): Add array bound check.
10686         (Output_section::Input_section::print_to_mapfile): Handle
10687         RELAXED_INPUT_SECTION_CODE.
10688         (Output_section::Output_section): Initialize data member checkpoint_.
10689         (Output_section::~Output_section): Delete checkpoint object pointed
10690         by checkpoint_.
10691         (Output_section::add_input_section): Always add an Input_section if
10692         relaxing.
10693         (Output_section::add_merge_input_section): Add assert.
10694         (Output_section::relax_input_section): New method definition.
10695         (Output_section::set_final_data_size): Set load address to zero for
10696         an unallocated section.
10697         (Output_section::do_address_and_file_offset_have_reset_values):
10698         New method definition.
10699         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10700         Handle relaxed input section.
10701         (Output_section::sort_attached_input_sections): Checkpoint input
10702         section list lazily.
10703         (Output_section::get_input_sections): Change type of input_sections to
10704         list of Simple_input_section pointers.  Checkpoint input section list
10705         lazily.  Also handle relaxed input sections.
10706         (Output_section::add_input_section_for_script): Take a reference to
10707         a Simple_input_section object instead of Relobj pointer and section
10708         index as parameter.  Handle relaxed input sections.
10709         (Output_section::save_states, Output_section::restore_states): New
10710         method definitions.
10711         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10712         (Output_data::is_data_size_fixed): New method definition.
10713         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10714         if it is fixed.
10715         (Output_data::address_and_file_offset_have_reset_values): New method
10716         definition.
10717         (Output_data::do_address_and_file_offset_have_reset_values): New method
10718         definition.
10719         (Output_data::set_data_size): Check that data size is not fixed.
10720         (Output_data::fix_data_size): New method definition.
10721         (Output_data::is_data_size_fixed_): New data member.
10722         (Output_section_headers::set_final_data_size): New method definition.
10723         (Output_section_headers::do_size): New method declaration.
10724         (Output_segment_headers::set_final_data_size): New method definition.
10725         (Output_segment_headers::do_size): New method declaration.
10726         (Output_file_header::set_final_data_size)::New method definition.
10727         (Output_file_header::do_size)::New method declaration.
10728         (Output_section_data::Output_section_data): Add new parameter
10729         is_data_size_fixed and use it to fix data size.
10730         (Output_data_const::Output_data_const): Adjust call to base class
10731         constructor and fix data size.
10732         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10733         base class constructor and fix data size.
10734         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10735         base class constructor and fix data size.
10736         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10737         class constructor and fix data size.
10738         (Output_data_group::set_final_data_size): New method definition.
10739         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10740         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10741         class constructor and fix data size.
10742         (Output_relaxed_input_section): New class definition.
10743         (Output_section::Simple_input_section): New class definition.
10744         (Output_section::get_input_sections): Adjust parameter list.
10745         (Output_section::add_input_section_for_script): Same.
10746         (Output_section::save_states, Output_section::restore_states,
10747         Output_section::do_address_and_file_offset_have_reset_values,
10748         (Output_section::Input_section::Input_section): Handle
10749         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10750         Output_relaxed_input_section.
10751         (Output_section::Input_section::is_input_section,
10752         Output_section::Input_section::set_output_section): Handle relaxed
10753         input section.
10754         (Output_section::Input_section::is_relaxed_input_section,
10755         Output_section::Input_section::output_section_data,
10756         Output_section::Input_section::relaxed_input_section): New method
10757         definitions.
10758         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10759         value.
10760         (Output_section::Input_section::u1_): Update comments.
10761         (Output_section::Input_section::u2_): Add new union member poris.
10762         (Output_section::Checkpoint_output_section): New classs definition.
10763         (Output_section::relax_input_section): New method declaration.
10764         (Output_section::checkpoint_): New data member.
10765         (Output_segment): Update comments.
10766         (Output_segment::Output_segment): Un-privatize copy constructor.
10767         (Output_segment::operator=): Un-privatize.
10768         * script-sections.cc (Output_section_element::Input_section_list):
10769         Change element type to Output_section::Simple_input_section.
10770         (Output_section_element_dot_assignment::set_section_addresses):
10771         Register output section data for relaxation clean up.
10772         (Output_data_exression::Output_data_expression): Adjust call to base
10773         constructor to fix data size.
10774         (Output_section_element_data::set_section_addresses): Register
10775         Output_data_expression object for relaxation clean up.
10776         (struct Input_section_info): Replace Relobj pointer and section index
10777         pair with Output_section::Simple_input_section and Convert struct to a
10778         class.
10779         (Input_section_sorter::operator()): Adjust access to
10780         Input_section_info data member to use accessors.
10781         (Output_section_element_input::set_section_addresses): Use layout
10782         parameter.  Adjust code to use Output_section::Simple_input_section
10783         and Input_secction_info classes.  Register filler for relaxation
10784         clean up.
10785         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10786         and section index pair with Output_section::Simple_input_section
10787         class.  Adjust code accordingly.
10788         (Phdrs_element::release_segment): New method definition.
10789         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10790         segment list.
10791         (Script_sections::release_segments): New method definition.
10792         * gold/script-sections.h (Script_sections::release_segments): New
10793         method declaration.
10794         * gold/target.h (Target::may_relax, Target::relax,
10795         Target::do_may_relax, Target::do_relax): New method definitions.
10796
10797 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10798
10799         * arm.cc (has_signed_unsigned_overflow): New function.
10800         (Arm_relocate_functions::abs8): New function.
10801         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10802         (Target_arm::Scan::global): Likewise.
10803         (Target_arm::relocate::relocate): Likewise.
10804         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10805         Likewise.
10806
10807 2009-09-16  Cary Coutant  <ccoutant@google.com>
10808
10809         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10810         * testsuite/Makefile.in: Regenerate.
10811
10812 2009-09-11  Nick Clifton  <nickc@redhat.com>
10813
10814         * po/gold.pot: Updated by the Translation project.
10815
10816 2009-09-08  Cary Coutant  <ccoutant@google.com>
10817
10818         * output.cc (Output_file::open): Add execute permission to empty file.
10819         * testsuite/Makefile.am (permission_test): New test.
10820         * testsuite/Makefile.in: Regenerate.
10821
10822 2009-09-02  Ian Lance Taylor  <iant@google.com>
10823
10824         * output.cc (Output_file::resize): Call map_no_anonymous rather
10825         than map.
10826
10827 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10828
10829         * gold.cc: Include "incremental.h".
10830         (queue_initial_tasks): Call Incremental_checker methods.
10831         * incremental.cc: Include "output.h".
10832         (Incremental_checker::can_incrementally_link_output_file): New
10833         method.
10834         * incremental.h (Incremental_checker): New class.
10835
10836         * output.cc (Output_file::open_for_modification): New method.
10837         (Output_file::map_anonymous): Changed return type to bool.  Record
10838         map in base_ field.
10839         (Output_file::map_no_anonymous): New method, broken out of map.
10840         (Output_file::map): Use map_no_anonymous and map_anonymous.
10841         * output.h (class Output_file): Update declarations.
10842
10843 2009-08-24  Cary Coutant  <ccoutant@google.com>
10844
10845         * options.h (Command_line::Pre_options): New class.
10846         (Command_line::pre_options): New member.
10847         * options.cc (gold::options::ready_to_register): New variable.
10848         (One_option::register_option): Do nothing if not registering options.
10849         Assert if same short option registered twice.
10850         (General_options::General_options): Turn off option registration when
10851         done constructing.
10852         (Command_line::Pre_options::Pre_options): New constructor.
10853
10854 2009-08-24  Cary Coutant  <ccoutant@google.com>
10855
10856         * options.h (General_options::no_keep_memory): Remove incorrect
10857         short option.
10858
10859 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10860
10861         * Makefile.am (am__skiplex, am__skipyacc): New.
10862         * Makefile.in: Regenerate.
10863
10864 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10865
10866         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10867         (INCLUDES): ... this.
10868         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10869         (AM_CPPFLAGS): Renamed from ...
10870         (INCLUDE): ... this.
10871         * Makefile.in, testsuite/Makefile.in: Regenerate.
10872
10873         * Makefile.in: Regenerate.
10874         * aclocal.m4: Likewise.
10875         * config.in: Likewise.
10876         * configure: Likewise.
10877         * testsuite/Makefile.in: Likewise.
10878
10879         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10880         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10881         * Makefile.in: Regenerate.
10882         * testsuite/Makefile.in: Regenerate.
10883
10884 2009-08-19  Cary Coutant  <ccoutant@google.com>
10885
10886         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10887         symbols in shared libraries overridden by hidden or internal symbols
10888         in the main program.
10889
10890 2009-08-19  Chris Demetriou  <cgd@google.com>
10891
10892         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10893         checking source file names in error messages.
10894
10895 2009-08-18  Doug Kwan  <dougkwan@google.com>
10896
10897         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10898         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10899         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10900         an elfcpp::Ehdr as parameter.
10901         * object.cc (Object::set_target): Remove the version that looks up
10902         a target and sets it.
10903         (Sized_relobj::setup): Take a Target object instead of
10904         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10905         (make_elf_sized_object): Find target and ask target to
10906         make an ELF object.
10907         * object.h: (Object::set_target): Remove the version that looks up
10908         a target and sets it.
10909         (Sized_relobj::setup): Take a Target object instead of
10910         an elfcpp:Ehdr as parameter.
10911         * target.cc: Include dynobj.h.
10912         (Target::do_make_elf_object_implementation): New.
10913         (Target::do_make_elf_object): New.
10914         * target.h (Target::make_elf_object): New template declaration.
10915         (Target::do_make_elf_object): New method declarations.
10916         (Target::do_make_elf_object_implementation): New template declaration.
10917
10918 2009-08-14  Ian Lance Taylor  <iant@google.com>
10919
10920         * gold.h (FUNCTION_NAME): Define.
10921         (gold_unreachable): Use FUNCTION_NAME.
10922
10923 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10924
10925         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10926         symbol in the --keep-unique list is not found.
10927
10928 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10929
10930         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10931         been maked as --keep-unique.
10932         (Icf::unfold_section): New function.
10933         * icf.h (Icf::unfold_section): New function.
10934         * options.h (General_options::keep_unique): New option.
10935         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10936         * testsuite/Makefile.in: Regenerate.
10937         * testsuite/icf_keep_unique_test.sh: New file.
10938         * testsuite/icf_keep_unique_test.cc: New file.
10939
10940 2009-08-12  Cary Coutant  <ccoutant@google.com>
10941
10942         PR 10471
10943         * resolve.cc (Symbol_table::resolve): Check for references from
10944         dynamic objects to hidden and internal symbols.
10945         * testsuite/Makefile.am (hidden_test.sh): New test.
10946         * testsuite/Makefile.in: Regenerate.
10947         * testsuite/hidden_test.sh: New script.
10948         * testsuite/hidden_test_1.c: New test source.
10949         * testsuite/hidden_test_main.c: New test source.
10950
10951 2009-08-11  Doug Kwan  <dougkwan@google.com>
10952
10953         * arm.cc: Update comments.
10954         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10955         segment to locate the .ARM.exidx section if present.
10956
10957 2009-08-09  Doug Kwan  <dougkwan@google.com>
10958
10959         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10960         patch.
10961
10962 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10963         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10964         compiler warnings.
10965
10966 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10967
10968         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10969         valid tls_segment only for non-debug-section relocations.
10970         * testsuite/Makefile.am: Add gc_tls_test.
10971         * testsuite/Makefile.in: Regenerate.
10972         * testsuite/gc_tls_test.cc: New file.
10973         * testsuite/gc_tls_test.sh: New file.
10974
10975 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10976
10977         * icf.cc: New file.
10978         * icf.h: New file.
10979         * Makefile.am (CCFILES): Add icf.cc.
10980         (HFILES): Add icf.h
10981         * Makefile.in: Regenerate.
10982         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10983         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10984         section, symbol and addend information for the relocs.
10985         * gold.cc (queue_middle_tasks): Call identical code folding.
10986         * gold.h: Add defines for multimap.
10987         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10988         to the call of finalize_local_symbols.
10989         * main.cc (main): Create object of class Icf.
10990         * object.cc (Sized_relobj::do_layout): Allow this function to be
10991         called twice during icf.
10992         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10993         to sections marked as identical by icf.
10994         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10995         when available.
10996         (Sized_relobj::do_section_entsize): New function.
10997         * object.h (Object::section_entsize): New function.
10998         (Object::do_section_entsize): New pure virtual function.
10999         (Relobj::finalize_local_symbols): Add new parameter.
11000         (Relobj::do_section_entsize): New function.
11001         * options.h (General_options::icf): New option.
11002         (General_options::icf_iterations): New option.
11003         (General_options::print_icf_sections): New option.
11004         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11005         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11006         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11007         icf.
11008         * symtab.cc (Symbol_table::is_section_folded): New function.
11009         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11010         to sections marked as identical by icf.
11011         * symtab.h (Symbol_table::set_icf): New function.
11012         (Symbol_table::icf): New function.
11013         (Symbol_table::is_section_folded): New function.
11014         (Symbol_table::icf_): New data member.
11015         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11016         * testsuite/Makefile.am: Add commands to build icf_test.
11017         * testsuite/Makefile.in: Regenerate.
11018         * testsuite/icf_test.sh: New file.
11019         * testsuite/icf_test.cc: New file.
11020
11021 2009-07-24  Chris Demetriou  <cgd@google.com>
11022
11023         * layout.cc (is_compressible_debug_section): Fix incorrect
11024         comment about compressed section names.
11025
11026 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11027
11028         PR 10419
11029         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11030
11031 2009-07-16  Ian Lance Taylor  <iant@google.com>
11032
11033         PR 10400
11034         * layout.h: #include <map>.
11035         (class Kept_section): Change from struct to class.  Add accessors
11036         and setters.  Add section size to Comdat_group mapping.  Change
11037         Comdat_group to std::map.  Add is_comdat_ field.  Add
11038         linkonce_size field in union.
11039         (class Layout): Update declaration of find_or_add_kept_section.
11040         Don't declare find_kept_object.
11041         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11042         parameter.  Add object, shndx, is_comdat, and is_group_name
11043         parameters.  Change all callers.  Adjust for new Kept_section.
11044         (Layout::find_kept_object): Remove.
11045         * object.cc (Sized_relobj::include_section_group): Update use of
11046         Kept_section.  Rename secnum to shndx.  Only record
11047         Kept_comdat_section if sections are the same size.
11048         (Sized_relobj::include_linkonce_section): Update use of
11049         Kept_section.  Only record Kept_comdat_section if sections are the
11050         same size.  Set size of linkonce section.
11051         (Sized_relobj::map_to_kept_section): Update call to
11052         get_kept_comdat_section.
11053         * object.h (class Sized_relobj): Rename fields in
11054         Kept_comdat_section to drop trailing underscores; change object
11055         field to Relobj*.  Change Kept_comdat_section_table to store
11056         struct rather than pointer.
11057         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11058         Add kept_object and kept_shndx parameters.  Change all callers.
11059         (Sized_relobj::get_kept_comdat_section): Change return type to
11060         bool.  Add kept_object and kept_shndx parameters.  Change all
11061         callers.
11062         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11063         Layout::find_or_add_kept_section.
11064
11065 2009-07-09  Ian Lance Taylor  <iant@google.com>
11066
11067         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11068         Reserve space in the hash table.
11069
11070 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11071
11072         * fileread.cc (File_read::get_mtime): New method.
11073         * fileread.h (Timespec): New structure.
11074         (File_read::get_mtime): New method.
11075         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11076         Renamed from timestamp_nsec.
11077         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11078         Elf_Xword.
11079         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11080         timestamp_nsec.
11081         (Incremental_inputs::report_archive): Save mtime; style fix.
11082         (Incremental_inputs::report_obejct): Save mtime; style fix.
11083         (Incremental_inputs::report_script): Save mtime; style fix.
11084         (Incremental_inputs::finalize_inputs): Style fix.
11085         (Incremental_inputs::finalize): Style fix.
11086         (Incremental_inputs::create_input_section_data): Store inputs
11087         mtime.
11088         * incremental.h (Incremental_inputs::report_script): Add mtime
11089         argument.
11090         (Incremental_inputs::Input_info::Input_info): Intialize only one
11091         union member.
11092         (Incremental_inputs::Input_info::archive): Move to nameless
11093         union.
11094         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11095         (Incremental_inputs::Input_info::script): Move to nameless union.
11096         (Incremental_inputs::mtime): New field.
11097         * script.cc (read_input_script): Pass file mtime to
11098         Incremental_input.
11099         * script.h (Script_info::inputs): Style fix.
11100
11101 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11102
11103         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11104         instead of 32.
11105
11106 2009-06-24  Ian Lance Taylor  <iant@google.com>
11107
11108         PR 10156
11109         * layout.cc (Layout::choose_output_section): If we find an
11110         existing section, update the flags.
11111         (Layout::create_notes): New function, broken out of
11112         Layout::finalize.
11113         (Layout::finalize): Don't create note sections.
11114         (Layout::create_note): Don't crash if linker script discards
11115         section.
11116         (Layout::create_gold_note): Likewise.
11117         (Layout::create_build_id): Likewise.  Don't set
11118         after_input_sections on the section.
11119         (Layout::create_executable_stack_info): Remove target parameter.
11120         Change caller.
11121         * layout.h (class Layout): Declare create_notes.  Update
11122         declaration of create_executable_stack_info.
11123         * gold.cc (queue_middle_tasks): Call create_notes.
11124         * output.cc (Output_section::update_flags_for_input_section): Move
11125         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11126         invalid.
11127         * output.h (Output_data::mark_address_invalid): New function.
11128         (class Output_section): Only declare, not define,
11129         update_flags_for_input_section.  Remove set_flags.
11130
11131 2009-06-24  Ian Lance Taylor  <iant@google.com>
11132
11133         * script-sections.cc (Output_section_definition::
11134         set_section_addresses): Rename shadowing local load_address to
11135         laddr.
11136
11137 2009-06-24  Ian Lance Taylor  <iant@google.com>
11138
11139         PR 10244
11140         * reloc.cc (relocate_sections): Skip empty relocation sections.
11141
11142 2009-06-23  Ian Lance Taylor  <iant@google.com>
11143
11144         PR 10156
11145         * layout.cc (Layout::create_note): Use choose_output_section
11146         rather than make_output_section.
11147
11148 2009-06-23  Ian Lance Taylor  <iant@google.com>
11149
11150         PR 10237
11151         * options.cc (General_options::parse_V): Set printed_version_.
11152         (General_options::General_options): Initialize printed_version_.
11153         * options.h (class General_options): Add printed_version_ field.
11154         * gold.cc (queue_initial_tasks): If there are no input files,
11155         don't give a fatal error if we printed the version information.
11156         (queue_middle_tasks): If using -r with a shared object, give a
11157         fatal error rather than an ordinary error.
11158
11159 2009-06-23  Ian Lance Taylor  <iant@google.com>
11160
11161         PR 10219
11162         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11163         (Layout::make_output_section): Set have_stabstr_section_ if we see
11164         a .stab*str section.
11165         (Layout::finalize): Call link_stabs_sections.
11166         (Layout::link_stabs_sections): New file.
11167         * layout.h (class Layout): Add have_stabstr_section_ field.
11168         Declare link_stabs_sections.
11169
11170 2009-06-23  Doug Kwan  <dougkwan@google.com>
11171
11172         * Makefile.am (libgold_a_LIBADD): New.
11173         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11174         * Makefile.in: Regenerate.
11175         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11176         * configure: Regenerate.
11177         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11178         * fileread.cc: Include sys/state.h
11179         * gold.h: Declare memmem and strndup if found missing.
11180         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11181
11182 2009-06-23  Ian Lance Taylor  <iant@google.com>
11183
11184         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11185         * configure: Rebuild.
11186
11187 2009-06-23  Ian Lance Taylor  <iant@google.com>
11188
11189         PR 10147
11190         * object.cc (Object::section_contents): Don't try to get a view if
11191         the section has length zero.
11192         (Object::handle_gnu_warning_section): If the section is empty, use
11193         the name of the section as the warning.
11194
11195 2009-06-23  Ian Lance Taylor  <iant@google.com>
11196
11197         PR 10133
11198         * stringpool.h (class Stringpool_template): Add optimize_ field.
11199         (Stringpool_template::set_optimize): New function.
11200         * stringpool.cc (Stringpool_template::Stringpool_template):
11201         Initialize optimize_ field.
11202         (Stringpool_template::set_string_offsets): Test local optimize
11203         fild rather than parameter.
11204         * layout.cc (Layout::Layout): Call set_optimize on the section
11205         name stringpool.
11206
11207 2009-06-22  Ian Lance Taylor  <iant@google.com>
11208
11209         PR 10030
11210         * yyscript.y: Parse TARGET.
11211         * script.cc (script_set_target): New function.
11212         * script-c.h (script_set_target): Declare.
11213         * options.cc (General_options::string_to_object_format): Rename
11214         from string_to_object_format in anonymous namespace.  Change
11215         callers.
11216         * options.h (class General_options): Declare
11217         string_to_object_format.
11218
11219 2009-06-22  Ian Lance Taylor  <iant@google.com>
11220
11221         * script-sections.cc (Script_sections::create_segments): Don't put
11222         program headers in a PT_LOAD segment if -n or -N.
11223
11224 2009-06-22  Ian Lance Taylor  <iant@google.com>
11225
11226         PR 10141
11227         * options.h (class General_options): Add -z lazy and -z now.  Sort
11228         -z options into alphabetical order.
11229         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
11230
11231 2009-06-21  Ian Lance Taylor  <iant@google.com>
11232
11233         * layout.cc (Layout::make_output_section): Call
11234         Target::new_output_section.
11235         (Layout::attach_allocated_section_to_segment): Put large section
11236         sections in a separate load segment with the large segment flag
11237         set.
11238         (Layout::segment_precedes): Sort large data segments after other
11239         load segments.
11240         (align_file_offset): New static function.
11241         (Layout::set_segment_offsets): Use align_file_offset.
11242         * output.h (class Output_section): Add is_small_section_ and
11243         is_large_section_ fields.
11244         (Output_section::is_small_section): New function.
11245         (Output_section::set_is_small_section):  New function.
11246         (Output_section::is_large_section): New function.
11247         (Output_section::set_is_large_section): New function.
11248         (Output_section::is_large_data_section): New function.
11249         (class Output_segment): Add is_large_data_segment_ field.
11250         (Output_segment::is_large_data_segment): New function.
11251         (Output_segment::set_is_large_data_segment): New function.
11252         * output.cc (Output_section::Output_section): Initialize new
11253         fields.
11254         (Output_segment::Output_segment): Likewise.
11255         (Output_segment::add_output_section): Add assertion that large
11256         data sections always go in large data segments.  Force small data
11257         sections to the end of the list of data sections.  Force small BSS
11258         sections to the start of the list of BSS sections.  For large BSS
11259         sections to the end of the list of BSS sections.
11260         * symtab.h (class Symbol): Declare is_common_shndx.
11261         (Symbol::is_defined): Check Symbol::is_common_shndx.
11262         (Symbol::is_common): Likewise.
11263         (class Symbol_table): Define enum Commons_section_type.  Update
11264         declarations.  Add small_commons_ and large_commons_ fields.
11265         * symtab.cc (Symbol::is_common_shndx): New function.
11266         (Symbol_table::Symbol_table): Initialize new fields.
11267         (Symbol_table::add_from_object): Put small and large common
11268         symbols in the right list.
11269         (Symbol_table::sized_finalized_symbol): Check
11270         Symbol::is_common_shndx.
11271         (Symbol_table::sized_write_globals): Likewise.
11272         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11273         common symbol lists.  Don't call do_allocate_commons_list if the
11274         list is empty.
11275         (Symbol_table::do_allocate_commons_list): Remove is_tls
11276         parameter.  Add comons_section_type parameter.  Change all
11277         callers.  Handle small and large common symbols.
11278         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11279         Symbol::is_common_shndx.
11280         * resolve.cc (symbol_to_bits): Likewise.
11281         * target.h (Target::small_common_shndx): New function.
11282         (Target::small_common_section_flags): New function.
11283         (Target::large_common_shndx): New function.
11284         (Target::large_common_section_flags): New function.
11285         (Target::new_output_section): New function.
11286         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11287         small_common_section_flags, and large_common_section_flags
11288         fields.
11289         (Target::do_new_output_section): New virtual function.
11290         * arm.cc (Target_arm::arm_info): Initialize new fields.
11291         * i386.cc (Target_i386::i386_info): Likewise.
11292         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11293         Likewise.
11294         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11295         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11296         (Target_x86_64::do_new_output_section): New function.
11297         * configure.ac: Define conditional MCMODEL_MEDIUM.
11298         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11299         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11300         (large_LDFLAGS): Define.
11301         * testsuite/large.c: New file.
11302         * testsuite/testfile.cc (Target_test::test_target_info):
11303         Initialize new fields.
11304         * configure, testsuite/Makefile.in: Rebuild.
11305
11306 2009-06-05  Doug Kwan  <dougkwan@google.com>
11307
11308         * Makefile.am (CCFILES): Add target.cc.
11309         * Makefile.in: Regenerate.
11310         * i386.cc (class Target_i386): Define new virtual method to
11311         override do_is_local_label_name in parent.
11312         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11313         local symbols if --discard-locals or -X is given.
11314         * options.h (class General_options): Declare new options
11315         '--discard-locals' and '-X' for discarding locals.
11316         * target.h (class Target): Define new methods is_local_label_name.
11317         Declare new virtual method do_is_local_label_name.
11318         * target.cc: New file.
11319         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11320         (check_SCRIPTS): Add discard_locals_test.sh.
11321         (check_DATA): Add discard_local_tests.syms.
11322         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11323         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11324         * testsuite/Makefile.in: Regenerate.
11325         * testsuite/discard_locals_test.c: New file.
11326         * testsuite/discard_locals_test.sh: Same.
11327
11328 2009-06-05  Doug Kwan  <dougkwan@google.com>
11329
11330         * object.cc (Sized_relobj::Sized_relobj): Initialize
11331         discarded_eh_frame_shndx_ to -1U.
11332         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11333         section.
11334         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11335         a discarded .eh_frame section.
11336         (Sized_relobj::do_finalize_local_symbols): Ditto.
11337         * object.h (class Sized_relobj): Declare new member
11338         discarded_eh_frame_shndx_.
11339         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11340         (local_labels_test.o, local_labels_test): New rules.
11341         * testsuite/Makefile.in: Regenerate.
11342
11343 2009-06-04  Doug Kwan  <dougkwan@google.com>
11344
11345         * layout.cc (Layout::section_name_mapping): Add mapping for
11346         special ARM sections.
11347
11348 2009-06-03  Doug Kwan  <dougkwan@google.com>
11349
11350         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11351         (utils::has_overflow): Same.
11352
11353 2009-06-03  Ian Lance Taylor  <iant@google.com>
11354
11355         * layout.cc (Layout::section_name_mapping): New array, replacing
11356         Layout::linkonce_mapping.
11357         (Layout::section_name_mapping_count): New variable, replacing
11358         Layout::linkonce_mapping_count.
11359         (Layout::linkonce_output_name): Remove.
11360         (Layout::output_section_name): Rewrite.
11361         * layout.h (class Layout): Rename Linkonce_mapping to
11362         Section_name_mapping, linkonce_mapping to section_name_mapping,
11363         linkonce_mapping_count to section_name_mapping_count.  Don't
11364         declare linkonce_output_name.
11365
11366 2009-06-03  Doug Kwan  <dougkwan@google.com>
11367
11368         * gold/arm.cc (namespace utils): New.
11369         (Target_arm::reloc_is_non_pic): Define new method.
11370         (class Arm_relocate_functions): New.
11371         (Target_arm::Relocate::relocate): Handle relocation types used by
11372         Android.
11373
11374 2009-06-03  Ian Lance Taylor  <iant@google.com>
11375
11376         * arm.cc (Target_arm::scan::global): Use || instead of |.
11377
11378 2009-06-02  Doug Kwan  <dougkwan@google.com>
11379
11380         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11381         issued_non_pic_error_.
11382         (class Target_arm::Scan): Declare new method check_non_pic.
11383         Define new method symbol_needs_plt_entry.
11384         Declare new data member issued_non_pic_error_.
11385         (class Target_arm::Relocate): Declare new method
11386         should_apply_static_reloc.
11387         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11388         (Target_arm::Scan::check_non_pic): Define new method.
11389         (Target_arm::Scan::local): Handle a small subset of reloc types used
11390         by Android.
11391         (Target_arm::Scan::local): Same.
11392         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11393
11394 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11395
11396         * incremental.cc (Incremental_inputs::report_command_line): Filter
11397         out --incremental-* options.
11398
11399 2009-05-29  Doug Kwan  <dougkwan@google.com>
11400
11401         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11402         template class.
11403         (class Target_arm): Update comment.
11404         (Target_arm::Target_arm): Initialize new data members GOT_,
11405         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11406         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11407         and Target_arm::rel_dyn_section.
11408         Declare new_enum Target_arm::Got_type.
11409         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11410         and DYNBSS_.
11411         Update commments for member do_dynsym_value.
11412         (Target_arm::got_size, Target_arm::plt_section,
11413         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11414         new methods inside class defintion.
11415         (Target_arm::got_section): Define new method.
11416         (Target_arm::rel_dyn_section): Same.
11417         (Output_data_plt_arm): New template class.
11418         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11419         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11420         (Output_data_plt_arm::add_entry): Same.
11421         (Output_data_plt_arm::first_plt_entry): Define new
11422         static data member for PLT instruction template.
11423         (Output_data_plt_arm::plt_entry): Same.
11424         (Output_data_plt_arm::do_write): Define new method.
11425         (Target_arm::make_plt_entry): Same.
11426         (Target_arm::do_finalize_sections): Same.
11427         (Target_arm::do_dynsym_value): Same.
11428
11429 2009-05-28  Doug Kwan  <dougkwan@google.com>
11430
11431         * Makefile.am (TARGETSOURCES): Add arm.cc.
11432         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11433         * Makefile.in: Regenerate.
11434         * arm.cc: New file.
11435         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11436
11437 2009-05-26  Doug Kwan  <dougkwan@google.com>
11438
11439         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11440         (General_options::check_excluded_libs): Strip off directories in
11441         archive name before matching like GNU ld does.
11442         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11443         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11444         (exclude_libs_test_LDFLAGS): Add linker option
11445         -Wl,--exclude-libs,libexclude_libs_test_3
11446         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11447         an explicit archive without using -l.
11448         (alt/libexclude_libs_test_3.a): New make rule.
11449         * testsuite/Makefile.in: Regenerate.
11450         * testsuite/exclude_libs_test.c : Declare lib3_default().
11451         (main): Call it.
11452         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11453         * exclude_libs_test_3.c: New file.
11454
11455 2009-05-26  Nick Clifton  <nickc@redhat.com>
11456
11457         * po/id.po: New Indonesian translation.
11458         * po/gold.pot: Updated template file.
11459
11460 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11461
11462         * testsuite/Makefile.am: Add -ffunction-sections to compile
11463         gc_comdat_test files.  Add -Wl,--gc-sections to build
11464         gc_comdat_test.
11465         * testsuite/Makefile.in: Regenerate.
11466         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11467
11468 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11469
11470         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11471         kept comdat section was garbage collected.
11472         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11473         * testsuite/Makefile.in: Regenerate.
11474         * testsuite/gc_comdat_test.sh: New file.
11475         * testsuite/gc_comdat_test_1.cc: New file.
11476         * testsuite/gc_comdat_test_2.cc: New file.
11477
11478 2009-05-19  Doug Kwan  <dougkwan@google.com>
11479
11480         * archive.cc (Archive::Archive): Move constructor from archive.h
11481         to here.  Initialize no_export_.
11482         (Archive::get_elf_object_for_member): Set no_export flag of object.
11483         * archive.h (Archive::Archive): Move constructor body to
11484         archive.cc.
11485         (Archive::no_export): New method.
11486         (Archive::no_export_): New field.
11487         * object.h (Object::Object): Initialize no_export_ to false.
11488         (Object::no_export, Object::set_no_export): New methods.
11489         (Object::no_export_): New field.
11490         * options.cc (General_options::parse_exclude_libs): New method.
11491         (General_options::check_excluded_libs) Same.
11492         * options.h (exclude_libs): New option.
11493         (General_options::check_excluded_libs): New method declaration.
11494         (General_options::excluded_libs_): New field.
11495         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11496         default or protected visibility if an object has no-export flag set.
11497         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11498         (check_SCRIPTS): Add exclude_libs_test.sh.
11499         (check_DATA): Add exclude_libs_test.syms.
11500         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11501         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11502         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11503         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11504         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11505         libexclude_libs_test_2.a): New rules.
11506         * testsuite/Makefile.in: Regenerate.
11507         * testsuite/exclude_libs_test.c: New file.
11508         * testsuite/exclude_libs_test.sh: Ditto.
11509         * testsuite/exclude_libs_test_1.c: Ditto.
11510         * testsuite/exclude_libs_test_2.c: Ditto.
11511
11512 2009-05-15  Ian Lance Taylor  <iant@google.com>
11513
11514         * configure.ac: Check for declarations for cases where libiberty.h
11515         checks HAVE_DECL_xxx.
11516         * configure, config.in: Rebuild.
11517
11518 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11519
11520         * gold.h (Incremental_argument_list): Remove (invalid) forward
11521         declaration.
11522         * incremental.cc (Incremental_inputs::report_achive): New method.
11523         (Incremental_inputs::report_object): New method.
11524         (Incremental_inputs::report_script): New method.
11525         (Incremental_inputs::finalize_inputs): New method.
11526         (Incremental_inputs::finalize): Call finalize_inputs().
11527         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11528         Create inputs entries.
11529         * incremental.h (Incremental_input_type): New enum.
11530         (Incremental_inputs::Incremental_input): Initialize new fields.
11531         (Incremental_inputs::report_inputs): New method.
11532         (Incremental_inputs::report_achive): New method.
11533         (Incremental_inputs::report_object): New method.
11534         (Incremental_inputs::report_script): New method.
11535         (Incremental_inputs::finalize_inputs): New method.
11536         (Incremental_inputs::Input_info): New struct.
11537         (Incremental_inputs::Input_info_map): New typedef.
11538         (Incremental_inputs::lock_): New field.
11539         (Incremental_inputs::Inputs_): New field.
11540         (Incremental_inputs::Inputs_map): New field.
11541         * main.cc (main): Call Incremental_input::report_inputs.
11542         * options.h (Input_argument_list): Typedef moved from
11543         Input_arguments.
11544         (Input_file_group::Files): Remove, use ::Input_argument_list.
11545         (Input_file_group::Input_argument_list): Remove, use
11546         ::Input_argument_list.
11547         * plugin.cc (Plugin_manager::add_input_file): Add error in
11548         incremental build.
11549         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11550         functions.
11551         * script.cc (read_input_script): Call
11552         Incremental_input::report_script.
11553         * script.h (Script_info): New class.
11554
11555 2009-04-27  Ian Lance Taylor  <iant@google.com>
11556
11557         * x86_64.cc (do_adjust_output_section): Set entsize to
11558         plt_entry_size.
11559
11560 2009-04-23  Elliott Hughes  <enh@google.com>
11561
11562         * output.cc (Output_file::close): After short writes, continue
11563         writing from the correct offset in the buffer being written.
11564
11565 2009-04-23  Chris Demetriou  <cgd@google.com>
11566
11567         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11568         * configure: Regenerate.
11569         * config.in: Regenerate.
11570         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11571         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11572
11573 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11574
11575         * incremental.cc (Incremental_inputs_header_data): Renamed from
11576         Incremental_input_header_data.
11577         (Incremental_inputs_header_data::data_size): New field.
11578         (Incremental_inputs_header_data::put_input_file_count): Renamed
11579         from input_file_count.
11580         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11581         from command_line_offset.
11582         (Incremental_inputs_header_data::put_reserved): Renamed from
11583         put_reserved.
11584         (Incremental_inputs_entry_data): Renamed from
11585         Incremental_input_entry_data.
11586         (Incremental_inputs_entry_data::data_size): New field.
11587         (Incremental_inputs::report_command_line): New method.
11588         (Incremental_inputs::finalize): New method.
11589         (Incremental_inputs::create_incremental_inputs_data): New method.
11590         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11591         * incremental.h: New file.
11592         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11593         (Layout::finalize): Create incremental inputs section in
11594         incremental builds.
11595         (Layout::create_incremental_info_sections): New method.
11596         * layout.h (Layout::incremental_inputs): New method.
11597         (Layout::create_incremental_info_sections): New method.
11598         (Layout::incremental_inputs_): New field.
11599         * main.cc (main): Notify Incremental_input of the command line.
11600
11601 2009-04-01  Ian Lance Taylor  <iant@google.com>
11602             Mikolaj Zalewski  <mikolajz@google.com>
11603
11604         * gold.h (reserve_unordered_map): Define, three versions, one for
11605         each version of Unordered_map.
11606         * layout.cc (Layout::Layout): Remove options parameter.  Add
11607         number_of_input_files parameter.  Don't initialize options_.
11608         Initialize number_of_input_files_ and resized_signatures_.  Move
11609         sections_are_attached_.
11610         (Layout::layout_group): Reserve space for group_signatures_.
11611         (Layout::find_or_add_kept_section): Change name parameter to be a
11612         reference.  Resize signatures_ map when it gets large enough.
11613         (Layout::layout_eh_frame): Use parameters->options() instead of
11614         this->options_.
11615         (Layout::make_output_section): Likewise.
11616         (Layout::attach_allocated_section_to_segment): Likewise.
11617         (Layout::finalize, Layout::create_executable_stack): Likewise.
11618         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11619         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11620         * layout.h (class Layout): Update declarations.  Remove options_
11621         field.  Add number_of_input_files_ and resized_signatures_
11622         fields.  Move sections_are_attached_ field.
11623         * main.cc (main): Pass number of input files to Layout
11624         constructor.  Don't pass options.
11625
11626 2009-03-30  Ian Lance Taylor  <iant@google.com>
11627
11628         * ffsll.c (ffsll): Correct implementation.
11629
11630 2009-03-27  Ian Lance Taylor  <iant@google.com>
11631
11632         * ffsll.c: New file.
11633         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11634         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11635         * ftruncate.c (ftruncate): Declare before definition.
11636         * mremap.c (mremap): Likewise.
11637         * pread.c (pread): Likewise.
11638         * configure, Makefile.in, config.in: Rebuild.
11639
11640         * mremap.c: New file.
11641         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11642         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11643         (mremap): Declare if HAVE_MREMAP is not defined.
11644         * configure, Makefile.in, config.in: Rebuild.
11645
11646 2009-03-27  Cary Coutant  <ccoutant@google.com>
11647
11648         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11649         position independent.
11650         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11651         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11652
11653 2009-03-24  Cary Coutant  <ccoutant@google.com>
11654
11655         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11656         an executable.
11657         (needs_dynamic_reloc): Likewise.
11658
11659 2009-03-24  Ian Lance Taylor  <iant@google.com>
11660
11661         * yyscript.y (file_cmd): Recognize EXTERN.
11662         (extern_name_list, extern_name_list_body): New nonterminals.
11663         * script.cc (script_add_extern): Define.
11664         * script-c.h (script_add_extern): Declare.
11665
11666 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11667
11668         * object.cc (is_elf_object): Define.
11669         * object.h (is_elf_object): Declare.
11670         * archive.cc (Archive::get_elf_object_for_member): Call
11671         is_elf_object.
11672         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11673
11674 2009-03-24  Elliott Hughes  <enh@google.com>
11675
11676         * output.cc (Output_file::map_anonymous): Define.
11677         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11678         try an anonymous one.  Report the size if the mmap fails.
11679         * output.h (class Output_file): Declare map_anonymous.
11680
11681 2009-03-24  Ian Lance Taylor  <iant@google.com>
11682
11683         * target-select.cc (instantiate_target): Don't acquire the lock if
11684         the instantiated_target_ field has already been set.
11685
11686 2009-03-23  Ian Lance Taylor  <iant@google.com>
11687
11688         * gold-threads.h (class Initialize_lock): Define.
11689         * gold-threads.cc (class Initialize_lock_once): Define.
11690         (initialize_lock_control): New static variable.
11691         (initialize_lock_pointer): New static variable.
11692         (initialize_lock_once): New static function.
11693         (Initialize_lock::Initialize_lock): Define.
11694         (Initialize_lock::initialize): Define.
11695         * target-select.h: Include "gold-threads.h".
11696         (class Target_selector): Add lock_ and initialize_lock_ fields.
11697         Don't define instantiate_target, just declare it.
11698         * target-select.cc (Target_selector::Target_selector): Initialize
11699         new fields.
11700         (Target_selector::instantiate_target): Define.
11701         * descriptors.h: Include "gold-threads.h".
11702         (class Descriptors): Add initialize_lock_ field.
11703         * descriptors.cc (Descriptors::Descriptors): Initialize new
11704         field.
11705         (Descriptors::open): Use initialize_lock_ field
11706         * errors.h (class Errors): Add initialize_lock_ field.
11707         * errors.cc (Errors::Errors): Initialize new field.
11708         (Errors::initialize_lock): Use initialize_lock_ field.
11709         * powerpc.cc (class Target_selector_powerpc): Remove
11710         instantiated_target_ field.  In do_recognize call
11711         instantiate_target rather than do_instantiate_target.  In
11712         do_instantiate_target just allocate a new target.
11713         * sparc.cc (class Target_selector_sparc): Likewise.
11714
11715         * freebsd.h: New file.
11716         * i386.cc: Include "freebsd.h".
11717         (Target_i386): Derive from Target_freebsd rather than
11718         Sized_target.
11719         (Target_selector_i386): Derive from Target_selector_freebsd rather
11720         than Target_selector.
11721         * x86_64.cc: Include "freebsd.h".
11722         (Target_x86_64): Derive from Target_freebsd rather than
11723         Sized_target.
11724         (Target_selector_x86_64): Derive from Target_selector_freebsd
11725         rather than Target_selector.
11726         * target.h (class Target): Add adjust_elf_header and
11727         do_adjust_elf_header.
11728         * output.cc (Output_file_header:: do_sized_write): Call target
11729         adjust_elf_header routine.
11730         * configure.tgt: Set targ_osabi.
11731         * configure.ac: Define GOLD_DEFAULT_OSABI.
11732         * parameters.cc (Parameters::default_target): Pass
11733         GOLD_DEFAULT_OSABI to select_target.
11734         * target-select.h (class Target_selector): Make instantiate_target
11735         protected rather than private.
11736         * Makefile.am (HFILES): Add freebsd.h.
11737         * configure, Makefile.in, config.in: Rebuild.
11738
11739         * merge.cc (do_add_input_section): Correct pend value.  Change
11740         message about last entry not being null terminated from error to
11741         warning.
11742
11743 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11744
11745         * incremental.cc: New file.
11746         * Makefile.am (CCFILES): Add incremental.cc.
11747         * Makefile.in: Rebuild.
11748
11749 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11750
11751         * layout.cc (Layout::output_section_name): Preserve names
11752         of '.note.' sections.
11753
11754 2009-03-19  Ian Lance Taylor  <iant@google.com>
11755
11756         * descriptors.cc (Descriptors::open): Check that the options are
11757         valid before using them.
11758
11759 2009-03-18  Ian Lance Taylor  <iant@google.com>
11760
11761         * script-sections.h: Include <list>.
11762         (class Script_sections): Change Sections_elements from std::vector
11763         to std::list.  Typedef public Elements_iterator.  Add
11764         orphan_section_placement_, data_segment_align_start_, and
11765         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11766         field.
11767         * script-sections.cc (class Orphan_section_placement): New class.
11768         (class Sections_element): Add virtual functions is_relro and
11769         orphan_section_init.  Remove virtual function place_orphan_here.
11770         (class Output_section_definition): Add is_relro and
11771         orphan_section_init.  Remove place_orphan_here.
11772         (class Orphan_output_section): Likewise.
11773         (Script_sections::Script_sections): Update for field changes.
11774         (Script_sections::data_segment_align): Set saw_data_segment_align_
11775         and data_segment_align_start_, not data_segment_align_index.
11776         (Script_sections::data_segment_relro_end): Check
11777         saw_data_segment_align_.  Use data_segment_align_start_ rather
11778         than data_segment_align_index_.
11779         (Script_sections::place_orphan): Rewrite to use
11780         Orphan_section_placement.
11781
11782 2009-03-17  Ian Lance Taylor  <iant@google.com>
11783
11784         * archive.cc (Archive::add_symbols): Check for a version attached
11785         to the symbol name in the archive map.
11786         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11787         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11788         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11789         (ver_test_11.a): New target.
11790         * testsuite/Makefile.in: Rebuild.
11791
11792         * configure.ac: Check for chsize and posix_fallocate.  Replace
11793         ftruncate.
11794         * ftruncate.c: New file, from gnulib.
11795         * output.cc (posix_fallocate): Define dummy version if not
11796         HAVE_POSIX_FALLOCATE.
11797         (Output_file::map): Call posix_fallocate rather than lseek and
11798         write.
11799         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11800         * configure, Makefile.in, config.in: Rebuild.
11801
11802 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11803
11804         * layout.h (Layout::create_note): Add section_name parameter.
11805         * layout.cc (Layout::create_note): Likewise.
11806         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11807
11808 2009-03-17  Ian Lance Taylor  <iant@google.com>
11809
11810         * descriptors.cc: Include "options.h".
11811         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11812         (Descriptors::open): Always use O_CLOEXEC when opening a new
11813         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11814         then set FD_CLOEXEC.
11815
11816         * sparc.cc (class Target_sparc): Add has_got_section.
11817         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11818         make sure we have a GOT section.
11819
11820         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11821         (Target_sparc::Scan::local): Likewise.
11822         (Target_sparc::Scan::global): Likewise.
11823         (Target_sparc::Relocate::relocate): Likewise.
11824         (Target_sparc::Relocate::relocate_tls): Likewise.
11825
11826         * symtab.cc (Symbol_table::define_default_version): New function,
11827         broken out of add_from_object.
11828         (Symbol_table::add_from_object): Call define_default_version.
11829         (Symbol_table::define_special_symbol): Add resolve_oldsym
11830         parameter.  Change all callers.  If the version for a symbol comes
11831         from a version script, resolve it with the symbol with the same
11832         name with no version.  Also add the symbol without a version if
11833         appropriate.
11834         (do_define_in_output_data): If resolving with oldsym, don't delete
11835         sym.
11836         (do_define_in_output_segment): Likewise.
11837         (do_define_as_constant): Likewise.
11838         * symtab.h (class Symbol_table): Update declarations.
11839
11840 2009-03-13  Ian Lance Taylor  <iant@google.com>
11841
11842         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11843         (Read_symbols::requeue): New function.
11844         (Read_symbols::do_read_symbols): If make_elf_object fails because
11845         the target type is not configured, and the file was searched for,
11846         issue a warning and retry with the next directory.
11847         (Add_symbols::run): If the file has an incompatible format, and
11848         it was searched for, requeue the Read_symbols task.  On error,
11849         release the object.
11850         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11851         dirindex parameter to constructor.  Change all callers.  Declare
11852         incompatible_warning and requeue.
11853         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11854         input_argument_ and input_group_ fields.  Add them to
11855         constructor.  Change all callers.
11856         (class Read_script): Add dirindex_ field.  Add it to constructor.
11857         Change all callers.
11858         * archive.cc (Archive::setup): Remove input_objects parameter.
11859         Change all callers.
11860         (Archive::get_file_and_offset): Likewise.
11861         (Archive::read_all_symbols): Likewise.
11862         (Archive::read_symbols): Likewise.
11863         (Archive::get_elf_object_for_member): Remove input_objects
11864         parameter.  Add punconfigured parameter.  Change all callers.
11865         (Archive::add_symbols): Change return type to bool.  Check return
11866         value of include_member.
11867         (Archive::include_all_members): Likewise.
11868         (Archive::include_member): Change return type to bool.  Return
11869         false if first included object has incompatible target.  Set
11870         included_member_ field.
11871         (Add_archive_symbols::run): If add_symbols returns false, requeue
11872         Read_symbols task.
11873         * archive.h (class Archive): Add included_member_ field.
11874         Initialize it in constructor.  Add input_file and searched_for
11875         methods.  Update declarations.
11876         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11877         input_argument_ fields.  Add them to constructor.  Change all
11878         callers.
11879         * script.cc: Include "target-select.h".
11880         (class Parser_closure): Add skip_on_incompatible_target_ and
11881         found_incompatible_target_ fields.  Add
11882         skip_on_incompatible_target parameter to constructor.  Change all
11883         callers.  Add methods skip_on_incompatible_target,
11884         clear_skip_on_incompatible_target, found_incompatible_target, and
11885         set_found_incompatible_target.
11886         (read_input_script): Add dirindex parameter.  Change all callers.
11887         If parser finds an incompatible target, requeue Read_symbols
11888         task.
11889         (script_set_symbol): Clear skip_on_incompatible_target in
11890         closure.
11891         (script_add_assertion, script_parse_option): Likewise.
11892         (script_start_sections, script_add_phdr): Likewise.
11893         (script_check_output_format): New function.
11894         * script.h (read_input_script): Update declaration.
11895         * script-c.h (script_check_output_format): Declare.
11896         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11897         (ignore_cmd): Remove OUTPUT_FORMAT.
11898         * fileread.cc (Input_file::Input_file): Add explicit this.
11899         (Input_file::will_search_for): New function.
11900         (Input_file::open): Add pindex parameter.  Change all callers.
11901         * fileread.h (class Input_file): Add input_file_argument method.
11902         Declare will_search_for.  Update declarations.
11903         * object.cc (make_elf_object): Add punconfigured parameter.
11904         Change all callers.
11905         * object.h (class Object): Make input_file public.  Add
11906         searched_for method.
11907         (make_elf_object): Update declaration.
11908         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11909         restart search.
11910         * dirsearch.h (class Dirsearch): Update declaration.
11911         * options.h (class General_options): Add --warn-search-mismatch.
11912         * parameters.cc (Parameters::is_compatible_target): New function.
11913         * parameters.h (class Parameters): Declare is_compatible_target.
11914         * workqueue.cc (Workqueue::add_blocker): New function.
11915         * workqueue.h (class Workqueue): Declare add_blocker.
11916
11917         * fileread.cc (Input_file::open): Remove options parameter.
11918         Change all callers.
11919         (Input_file::open_binary): Likewise.
11920         * script.cc (read_input_script): Likewise.
11921         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11922         options parameter from constructor.  Change all callers.
11923         (class Read_script): Likewise.
11924         * fileread.h (class Input_file): Update declarations.
11925         * script.h (read_input_script): Update declaration.
11926
11927 2009-03-10  Nick Clifton  <nickc@redhat.com>
11928
11929         * po/es.po: New Spanish translation.
11930
11931 2009-03-06  Cary Coutant  <ccoutant@google.com>
11932
11933         * options.cc (parse_short_option): Keep dash_z from registering itself.
11934
11935 2009-03-03  Ian Lance Taylor  <iant@google.com>
11936
11937         PR 9918
11938         * target-reloc.h (relocate_section): Pass output_section to
11939         relocate.
11940         * i386.cc (Target_i386::should_apply_static_reloc): Add
11941         output_section parameter.  Change all callers.
11942         (Target_i386::Relocate::relocate): Add output_section parameter.
11943         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11944         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11945         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11946         * testsuite/two_file_shared.sh: New script.
11947         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11948         (check_DATA): Add two_file_shared.dbg.
11949         (two_file_shared.dbg): New target.
11950         * testsuite/Makefile.in: Rebuild.
11951
11952 2009-03-01  Ian Lance Taylor  <iant@google.com>
11953
11954         * configure.ac: Check for byteswap.h.
11955         * configure: Rebuild.
11956         * config.in: Rebuild.
11957
11958 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11959
11960         * layout.cc (Layout::find_or_add_kept_section): New function.
11961         (Layout::add_comdat): Removed.
11962         * layout.h (struct Kept_section): Move out of class Layout.
11963         Remove trailing underscores from field names.  Add group_sections
11964         field.  Rename group_ field to is_group.  Change all uses.
11965         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11966         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11967         comdat_groups_ field.
11968         (Sized_relobj::include_section_group): Use
11969         find_or_add_kept_section and Kept_section::group_sections.
11970         (Sized_relobj::include_linkonce_section): Likewise.
11971         * object.cc (class Sized_relobj): Don't define Comdat_group or
11972         Comdat_group_table.  Remove find_comdat_group and
11973         add_comdat_group.  Remove comdat_groups_ field.
11974         * plugin.cc (include_comdat_group): Use
11975         Layout::find_or_add_kept_section.
11976
11977 2009-02-28  Ian Lance Taylor  <iant@google.com>
11978
11979         * README: --gc-sections and map files are now supported.  Document
11980         some build requirements.
11981
11982         PR 6992
11983         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11984         relocatable link set the value of the section symbol to zero.
11985         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11986         relocatable link don't include the section address in the local
11987         symbol value.
11988
11989 2009-02-27  Ian Lance Taylor  <iant@google.com>
11990
11991         PR 6811
11992         * options.h (class Search_directory): Add is_system_directory.
11993         (class General_options): Declare is_in_system_directory.
11994         * options.cc (get_relative_sysroot): Make static.
11995         (get_default_sysroot): Make static.
11996         (General_optoins::is_in_system_directory): New function.
11997         * fileread.cc (Input_file::is_in_system_directory): New function.
11998         * fileread.h (class Input_file): Declare is_in_system_directory.
11999         * object.h (class Object): Add is_in_system_directory.
12000         (class Input_objects): Remove system_library_directory_ field.
12001         * object.cc (Input_objects::add_object): Don't set
12002         system_library_directory_.
12003         (input_objects::found_in_system_library_directory): Remove.
12004         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12005         parameter.  Change all callers.
12006         (Symbol_table::sized_write_globals): Likewise.
12007         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12008         Call Object::is_in_system_directory.
12009         * symtab.h (class Symbol_table): Update declarations.
12010
12011         PR 5990
12012         * descriptors.h (Open_descriptor): Add is_on_stack field.
12013         * descriptors.cc (Descriptors::open): If the descriptor is on the
12014         top of the stack, remove it.  Initialize is_on_stack field.
12015         (Descriptors::release): Only add pod to stack if it is not on the
12016         stack already.
12017         (Descriptors::close_some_descriptor): Clear stack_next and
12018         is_on_stack fields.
12019
12020         PR 7091
12021         * output.cc (Output_section::find_starting_output_address): Rename
12022         from starting_output_address; add PADDR parameter; change return
12023         type.
12024         * output.h (class Output_section): Declare
12025         find_starting_output_address instead of starting_output_address.
12026         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12027         section symbol for which we can't find a merge section.
12028
12029         PR 9836
12030         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12031         hidden or internal, force the symbol to be local.
12032         * resolve.cc (Symbol::override_visibility): Define.
12033         (Symbol::override_base): Use override_visibility.
12034         (Symbol_table::resolve): Likewise.
12035         (Symbol::override_base_with_special): Likewise.
12036         (Symbol_table::override_with_special): If the visibility is hidden
12037         or internal, force the symbol to be local.
12038         * symtab.h (class Symbol): Add set_visibility and
12039         override_visibility.
12040         * testsuite/ver_test_1.sh: New file.
12041         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12042         (check_DATA): Add ver_test_1.syms.
12043         (ver_test_1.syms): New target.
12044         * testsuite/Makefile.in: Rebuild.
12045
12046 2009-02-25  Cary Coutant  <ccoutant@google.com>
12047
12048         * layout.cc (Layout::choose_output_section): Don't rename sections
12049         when using a linker script that has a SECTIONS clause.
12050         * Makefile.in: Regenerate.
12051
12052         * testsuite/Makefile.am (script_test_5.sh): New test case.
12053         * testsuite/Makefile.in: Regenerate.
12054         * testsuite/script_test_5.cc: New file.
12055         * testsuite/script_test_5.sh: New file.
12056         * testsuite/script_test_5.t: New file.
12057
12058 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12059
12060         * archive.cc (Archive::include_member): Update calls to add_symbols.
12061         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12062         the Layout argument.
12063         * dynobj.h (do_add_symbols): Add the Layout argument.
12064         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12065         Layout argument.
12066         * object.h (Object::add_symbols): Add the Layout argument.
12067         (Object::do_add_symbols): Add the Layout argument.
12068         (Sized_relobj::do_add_symbols): Add the Layout argument.
12069         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12070         Unify the two versions.
12071         (Add_plugin_symbols): Remove.
12072         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12073         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12074         (Add_plugin_symbols): Remove.
12075         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12076         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12077         (Add_symbols::run): Make it work with Pulginobj.
12078
12079 2009-02-06  Ian Lance Taylor  <iant@google.com>
12080
12081         * object.cc (Sized_relobj::do_layout): Make info message start
12082         with lower case letter.
12083
12084 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12085
12086         * binary.cc: Fix file comment.
12087
12088         * options.h (enum Incremental_disposition): Define.
12089         (class General_options): Add new options: --incremental,
12090         --incremental_changed, --incremental_unchanged,
12091         --incremental_unknown.  Add incremental_disposition_ and
12092         implicit_incremental_ fields.
12093         (General_options::incremental_disposition): New function.
12094         (class Position_dependent_options): Add incremental_disposition
12095         option.
12096         (Position_dependent_options::copy_from_options): Set incremental
12097         dispositions.
12098         * options.cc (General_options::parse_incremental_changed): New
12099         function.
12100         (General_options::parse_incremental_unchanged): New function.
12101         (General_options::parse_incremental_unknown): New function.
12102         (General_options::General_options): Initialize new fields
12103         incremental_disposition_ and implicit_incremental_.
12104         (General_options::finalize): Check for uasge of --incremental-*
12105         without --incremental.
12106
12107 2009-02-06  Chris Demetriou  <cgd@google.com>
12108
12109         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12110         pointer and to report location as the file name associated with
12111         the symbol.
12112         (gold_undefined_symbol_at_location): New function to replace the
12113         old gold_undefined_symbol functionality.
12114         * target-reloc.h (relocate_section): Update to use
12115         gold_undefined_symbol_at_location.
12116         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12117         Call gold_undefined_symbol function rather than gold_error.
12118         * errors.h (Errors::undefined_symbol): Take location as a
12119         string, rather than calculating it from a relocation.
12120         * errors.cc (Errors::fatal): Print "fatal error:" before the
12121         formatted message.
12122         (Errors::error, Errors::error_at_location): Print "error: "
12123         before the formatted message.
12124         (Errors::undefined_symbol): Take location as a string, rather
12125         than calculating it from a relocation.
12126         (gold_undefined_symbol_at_location): New function akin to
12127         old gold_undefined_symbol, calculates location from relocation.
12128         (gold_undefined_symbol): Change to take only a Symbol pointer
12129         and to report location as the file name associated with the symbol.
12130         * testsuite/debug_msg.sh: Update for changed error messages.
12131         * testsuite/undef_symbol.sh: Likewise.
12132
12133 2009-02-04  Duncan Sands  <baldrick@free.fr>
12134
12135         PR 9812
12136         * reduced_debug_output.h
12137         (Output_reduced_debug_abbrev_section::failed): Use format for
12138         gold_warning.
12139         (Output_reduced_debug_info_section::faild): Likewise.
12140
12141 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12142
12143         * script.cc (Lazy_demangler): New class.
12144         (Version_script_info::get_symbol_version_helper): Demangle a
12145         symbol only once.
12146
12147 2009-01-29  Cary Coutant  <ccoutant@google.com>
12148
12149         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12150         to __tls_get_addr.
12151         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12152
12153 2009-01-28  Ian Lance Taylor  <iant@google.com>
12154
12155         * version.cc (version_string): Bump to 1.9.
12156
12157         * gold.h: Include <cstring> and <stdint.h>.
12158         * version.cc: Include <cstdio>.
12159         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12160         warning.
12161         * reduced_debug_output.cc (insert_into_vector): Rename from
12162         Insert_into_vector; change all callers.  Use Swap_unaligned to
12163         avoid aliasing issue; remove union since it is unnecessary.
12164
12165 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12166
12167         * Makefile.am (CCFILES): Add gc.cc.
12168         (HFILES): Add gc.h.
12169         * Makefile.in: Regenerate.
12170         * gold.cc (Gc_runner): New class.
12171         (queue_initial_tasks): Call garbage collection related tasks
12172         when corresponding options are invoked.
12173         (queue_middle_gc_tasks): New function.
12174         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12175         processed early before laying out sections during garbage collection.
12176         * gold.h (queue_middle_gc_tasks): New function.
12177         (is_prefix_of): Move from "layout.cc".
12178         * i386.cc (Target_i386::gc_process_relocs): New function.
12179         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12180         * main.cc (main): Create object of class "Garbage_collection".
12181         * object.cc (Relobj::copy_symbols_data): New function.
12182         (Relobj::is_section_name_included): New function.
12183         (Sized_relobj::do_layout): Allow this function to be called twice
12184         during garbage collection and defer layout of section during the
12185         first call.
12186         * object.h (Relobj::get_symbols_data): New function.
12187         (Relobj::is_section_name_included): New function.
12188         (Relobj::copy_symbols_data): New function.
12189         (Relobj::set_symbols_data): New function.
12190         (Relobj::get_relocs_data): New function.
12191         (Relobj::set_relocs_data): New function.
12192         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12193         (Relobj::gc_process_relocs): New function.
12194         (Relobj::do_gc_process_relocs): New pure virtual function.
12195         (Relobj::sd_): New data member.
12196         (Sized_relobj::is_output_section_offset_invalid): New function.
12197         (Sized_relobj::do_gc_process_relocs): New function.
12198         * options.h (General_options::gc_sections): Modify to not be a no-op.
12199         (General_options::print_gc_sections): New option.
12200         * plugin.cc (Plugin_finish::run): Remove function call to
12201         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12202         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12203         * reloc.cc (Read_relocs::run): Add task to process relocs and
12204         determine unreferenced sections when doing garbage collection.
12205         (Gc_process_relocs): New class.
12206         (Sized_relobj::do_gc_process_relocs): New function.
12207         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12208         sections that are garbage collected.
12209         * reloc.h (Gc_process_relocs): New class.
12210         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12211         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12212         symbols whose corresponding sections are garbage collected.
12213         (Symbol_table::Symbol_table): Add new parameter for the garbage
12214         collection object.
12215         (Symbol_table::gc_mark_undef_symbols): New function.
12216         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12217         (Symbol_table::gc_mark_dyn_syms): New function.
12218         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12219         as garbage.
12220         (Symbol_table::add_from_object): Likewise.
12221         (Symbol_table::add_from_relobj): When building shared objects, do not
12222         treat externally visible symbols as garbage.
12223         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12224         table information for static and relocatable links.
12225         * symtab.h (Symbol_table::set_gc): New function.
12226         (Symbol_table::gc): New function.
12227         (Symbol_table::gc_mark_undef_symbols): New function.
12228         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12229         (Symbol_table::gc_mark_dyn_syms): New function.
12230         (Symbol_table::gc_): New data member.
12231         * target.h (Sized_target::gc_process_relocs): New pure virtual
12232         function.
12233         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
12234         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
12235
12236 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
12237
12238         * options.h (General_options::gc_sections): Define as a no-op for now.
12239         (General_options::no_keep_memory): Ditto.
12240         (General_options::Bshareable): Define.
12241         * options.cc (General_options::finalize): Honor -Bshareable.
12242
12243 2009-01-20  Andreas Schwab  <schwab@suse.de>
12244
12245         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
12246         read the value in the contents, since we don't use it.  Use the
12247         template endianness when writing.
12248         (Relocate::relocate): Use it for R_PPC_REL16_HA.
12249
12250 2009-01-19  Andreas Schwab  <schwab@suse.de>
12251
12252         * configure.tgt (powerpc64-*): Fix targ_obj.
12253
12254 2009-01-15  Ian Lance Taylor  <iant@google.com>
12255
12256         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12257         local symbols when stripping all symbols.
12258
12259 2009-01-14  Cary Coutant  <ccoutant@google.com>
12260
12261         * output.cc (Output_reloc): Add explicit instantiations.
12262
12263 2009-01-14  Cary Coutant  <ccoutant@google.com>
12264
12265         * archive.cc (Archive::get_elf_object_for_member): Remove call
12266         to File_read::claim_for_plugin.
12267         * descriptors.cc (Descriptors::open): Remove reference to
12268         is_claimed.
12269         (Descriptors::claim_for_plugin): Remove.
12270         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12271         (Descriptors::is_claimed): Remove.
12272         (claim_descriptor_for_plugin): Remove.
12273         * fileread.cc (File_read::claim_for_plugin): Remove.
12274         * fileread.h (File_read::claim_for_plugin): Remove.
12275         (File_read::descriptor): Reopen descriptor if necessary.
12276         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12277         (Plugin_manager::all_symbols_read): Add task parameter. Change
12278         all callers.
12279         (Plugin_manager::get_input_file): New function.
12280         (Plugin_manager::release_input_file): New function.
12281         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12282         corresponding data member.
12283         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12284         and pass to base constructor. Change all callers.
12285         (get_input_file, release_input_file): New functions.
12286         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12287         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12288         (Plugin_manager::all_symbols_read): Add task parameter.
12289         (Plugin_manager::get_input_file): New function.
12290         (Plugin_manager::release_input_file): New function.
12291         (Plugin_manager::task_): New data member.
12292         (Pluginobj::Pluginobj): Add filesize parameter.
12293         (Pluginobj::filename): New function.
12294         (Pluginobj::descriptor): New function.
12295         (Pluginobj::filesize): New function.
12296         (Pluginobj::filesize_): New data member.
12297         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12298         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12299         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12300
12301         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12302         with archive libraries.
12303         * testsuite/Makefile.in: Regenerate.
12304         * testsuite/plugin_test.c (struct sym_info): New type.
12305         (get_input_file, release_input_file): New static variables.
12306         (onload): Capture new transfer vector entries.
12307         (claim_file_hook): Stop reading at end of file according to filesize.
12308         Factor out parsing of readelf output into separate function.
12309         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12310         APIs and get the source file name from the symbol table.  Convert
12311         source file name to corresponding object file name.  Print info
12312         message when adding new input files.
12313         (parse_readelf_line): New function.
12314         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12315         * testsuite/plugin_test_2.sh: Likewise.
12316         * testsuite/plugin_test_3.sh: Likewise.
12317         * testsuite/plugin_test_4.sh: New test case.
12318
12319 2009-01-07  Ian Lance Taylor  <iant@google.com>
12320
12321         * version.cc (version_string): Bump to 1.8.
12322
12323 2008-12-23  Cary Coutant  <ccoutant@google.com>
12324
12325         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12326         * plugin.cc (Plugin_manager::finish): Rename as
12327         layout_deferred_objects.  Move cleanup to separate function.
12328         (Plugin_manager::cleanup): New function.
12329         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12330         separately.
12331         * plugin.h (Plugin_manager::finish): Rename as
12332         layout_deferred_objects.
12333         (Plugin_manager::cleanup): New function.
12334         (Plugin_manager::cleanup_done): New field.
12335
12336 2008-12-23  Cary Coutant  <ccoutant@google.com>
12337
12338         * plugin.cc (is_visible_from_outside): New function.
12339         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12340         so we don't return "IR only" status for exported symbols or -r links.
12341
12342         * testsuite/Makefile.am (plugin_test_3): New test case.
12343         * testsuite/Makefile.in: Regenerate.
12344         * testsuite/plugin_test_3.sh: New file.
12345
12346 2008-12-22  Cary Coutant  <ccoutant@google.com>
12347
12348         * object.cc (Sized_relobj::layout_section): New function.
12349         (Sized_relobj::do_layout): Defer layout of input sections until after
12350         plugin has provided replacement files.
12351         (Sized_relobj::do_layout_deferred_sections): New function.
12352         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12353         (Relobj::layout_deferred_sections): New function.
12354         (Relobj::do_layout_deferred_sections): New function.
12355         (Sized_relobj::do_layout_deferred_sections): New function.
12356         (Sized_relobj::layout_section): New function.
12357         (Sized_relobj::Deferred_layout): New structure.
12358         (Sized_relobj::deferred_layout_): New field.
12359         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12360         Change all callers.  Layout deferred sections.
12361         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12362         references.
12363         (Plugin_hook::run): Move code from do_plugin_hook inline.
12364         (Plugin_hook::do_plugin_hook): Remove.
12365         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12366         (Plugin_manager::finish): Renamed, was cleanup.
12367         (Plugin_manager::should_defer_layout): New function.
12368         (Plugin_manager::add_deferred_layout_object): New function.
12369         (Plugin_manager::Deferred_layout_list): New type.
12370         (Plugin_manager::deferred_layout_objects_): New field.
12371         (Plugin_hook::do_plugin_hook): Remove.
12372
12373 2008-12-17  Ian Lance Taylor  <iant@google.com>
12374
12375         * options.h (class General_options): Add --no case for
12376         --export-dynamic.
12377
12378 2008-12-16  Cary Coutant  <ccoutant@google.com>
12379
12380         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12381         vector.
12382         (Plugin_manager::claim_file): Create plugin object even if
12383         plugin did not call the add_symbols callback.
12384         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12385         asking for more symbols than were added.
12386         * testsuite/Makefile.am (plugin_test_1): Add test case with
12387         no global symbols.
12388         (empty.syms): New target.
12389         * testsuite/Makefile.in: Regenerate.
12390         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12391         message. Don't call add_symbols if no globals.
12392         (all_symbols_read_hook): Don't provide replacement for empty
12393         claimed file.
12394
12395 2008-12-12  Ian Lance Taylor  <iant@google.com>
12396
12397         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12398         r_type == 0 for a local symbol with r_sym == 0.
12399         (scan_relocatable_relocs): Pass r_sym to
12400         local_non_section_strategy.
12401         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12402         r_sym parameter.
12403
12404         * configure.ac: Update test for TLS descriptors: they are
12405         supported as of glibc 2.9.
12406         * configure: Rebuild.
12407
12408 2008-12-11  Ian Lance Taylor  <iant@google.com>
12409
12410         PR 7091
12411         * target-reloc.h (Default_scan_relocatable_relocs): For each
12412         function, map r_type == 0 to RELOC_DISCARD.
12413
12414 2008-12-10  Cary Coutant  <ccoutant@google.com>
12415
12416         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12417         object to override a kept COMDAT group from a plugin object.
12418
12419 2008-12-09  Ian Lance Taylor  <iant@google.com>
12420
12421         PR 7088
12422         * yyscript.y (file_cmd): Handle INPUT.
12423
12424         * testsuite/initpri1.c: Change all declarations to be full
12425         prototypes by adding void, to avoid compiler warnings.
12426
12427 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12428
12429         * options.cc (General_options::parse_plugin_opt): New.
12430         (General_options::add_plugin): The argument now is just the filename.
12431         (General_options::add_plugin_option): New.
12432         * options.h (plugin_opt): New.
12433         (add_plugin): Change argument name.
12434         (add_plugin_option): New.
12435         * plugin.cc (Plugin::load): Don't parse the plugin option.
12436         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12437         (Plugin::add_option): New.
12438         (Plugin::args_): Change type.
12439         (Plugin::filename_): New.
12440         (Plugin_manager::add_plugin_option): New.
12441         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12442         * testsuite/Makefile.in: Regenerate.
12443
12444 2008-12-05  Cary Coutant  <ccoutant@google.com>
12445
12446         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12447         Handle --strip-lto-sections option.
12448         * options.h (strip_lto_sections): New option.
12449
12450 2008-12-01  Cary Coutant  <ccoutant@google.com>
12451
12452         * plugin.cc (ld_plugin_message): Change format parameter to const.
12453         Fix mismatch between new[] and delete.
12454
12455 2008-11-14  Cary Coutant  <ccoutant@google.com>
12456
12457         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12458         instead of -1U.
12459
12460 2008-11-05  Craig Silverstein  <csilvers@google.com>
12461
12462         * options.cc (General_options::parse_dynamic_list): New function.
12463         * options.h (General_options): New flags dynamic_list,
12464         dynamic_list_data, dynamic_list_cpp_new, and
12465         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12466         (General_options::in_dynamic_list): New function.
12467         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12468         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12469         (Lex::can_continue_name): Likewise.
12470         (yylex): Likewise.
12471         (read_script_file): New parameter script_options.
12472         (read_dynamic_list): New function.
12473         (Script_options::define_dynamic_list): New function.
12474         (dynamic_list_keyword_parsecodes): New variable.
12475         (dynamic_list_keywords): New variable.
12476         * script.h (Script_options::define_dynamic_list): New function
12477         prototype.
12478         (read_dynamic_list): New function prototype.
12479         * symtab.cc (strprefix): New macro.
12480         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12481         dynamic_list_data, dynamic_list_cpp_new, and
12482         dynamic_list_cpp_typeinfo.
12483         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12484         (dynamic_list_expr): New rule.
12485         (dynamic_list_nodes): Likewise.
12486         (dynamic_list_node): Likewise.
12487         * testsuite/Makefile.am (dynamic_list): New test.
12488         * testsuite/Makefile.in: Regenerated.
12489         * testsuite/dynamic_list.t: New file.
12490         * testsuite/dynamic_list.sh: New file.
12491
12492 2008-11-05  Craig Silverstein  <csilvers@google.com>
12493
12494         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12495         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12496         (t11_last): Likewise.
12497         * testsuite/ver_test_6.c (main): Likewise.
12498
12499 2008-10-07  Cary Coutant  <ccoutant@google.com>
12500
12501         * options.c (General_options::finalize): Add check for -static and
12502         -shared.
12503         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12504         is not empty.
12505
12506 2008-10-02  Cary Coutant  <ccoutant@google.com>
12507
12508         * plugin.cc (make_sized_plugin_object): Fix conditional
12509         compilation to work when not all targets are enabled.
12510
12511 2008-09-29  Cary Coutant  <ccoutant@google.com>
12512
12513         * archive.cc (Archive::get_file_and_offset): Use filename instead
12514         of name to get library path.
12515         (Archive::include_member): Unlock external member of a thin archive.
12516
12517         * testsuite/Makefile.am (TEST_AR): New variable.
12518         (thin_archive_test_1): New test.
12519         (thin_archive_test_2): New test.
12520         * testsuite/Makefile.in: Regenerate.
12521         * testsuite/thin_archive_main.cc: New file.
12522         * testsuite/thin_archive_test_1.cc: New file.
12523         * testsuite/thin_archive_test_2.cc: New file.
12524         * testsuite/thin_archive_test_3.cc: New file.
12525         * testsuite/thin_archive_test_4.cc: New file.
12526
12527 2008-09-29  Cary Coutant  <ccoutant@google.com>
12528
12529         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12530         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12531         instead of -1U.
12532         (Sized_relobj::do_finalize_local_symbols): Likewise.
12533         (Sized_relobj::map_to_kept_section): Likewise.
12534         * object.h (Sized_relobj::invalid_address): New constant.
12535         (Sized_relobj::do_output_section_offset): Check for invalid_address
12536         and return -1ULL.
12537         * output.cc (Output_reloc::local_section_offset): Use constant
12538         invalid_address instead of -1U.
12539         (Output_reloc::get_address): Likewise.
12540         (Output_section::output_address): Change -1U to -1ULL.
12541         * output.h (Output_reloc::invalid_address): New constant.
12542         * reloc.cc (Sized_relobj::write_sections): Use constant
12543         invalid_address instead of -1U.
12544         (Sized_relobj::relocate_sections): Likewise.
12545         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12546         values for merge sections.
12547         * target-reloc.h (relocate_for_relocatable): Use constant
12548         invalid_address instead of -1U.
12549
12550 2008-09-19  Cary Coutant  <ccoutant@google.com>
12551
12552         Add plugin functionality for link-time optimization (LTO).
12553         * configure.ac (plugins): Add --enable-plugins option.
12554         * configure: Regenerate.
12555         * config.in: Regenerate.
12556         * Makefile.am (LIBDL): New variable.
12557         (CCFILES): Add plugin.cc.
12558         (HFILES): Add plugin.h.
12559         (ldadd_var): Add LIBDL.
12560         * Makefile.in: Regenerate.
12561
12562         * archive.cc: Include "plugin.h".
12563         (Archive::setup): Don't preread archive symbols when using a plugin.
12564         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12565         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12566         files.
12567         (Archive::include_member): Add symbols from plugin objects.
12568         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12569         * descriptors.cc (Descriptors::open): Check for file descriptors
12570         abandoned by plugins.
12571         (Descriptors::claim_for_plugin): New function.
12572         * descriptors.h (Descriptors::claim_for_plugin): New function.
12573         (Open_descriptor::is_claimed): New field.
12574         (claim_descriptor_for_plugin): New function.
12575         * fileread.cc (File_read::claim_for_plugin): New function.
12576         * fileread.h (File_read::claim_for_plugin): New function.
12577         (File_read::descriptor): New function.
12578         * gold.cc: Include "plugin.h".
12579         (queue_initial_tasks): Add task to call plugin hooks for generating
12580         new object files.
12581         * main.cc: Include "plugin.h".
12582         (main): Load plugin libraries.
12583         * object.h (Pluginobj): Declare.
12584         (Object::pluginobj): New function.
12585         (Object::do_pluginobj): New function.
12586         (Object::set_target): New function.
12587         * options.cc: Include "plugin.h".
12588         (General_options::parse_plugin): New function.
12589         (General_options::General_options): Initialize plugins_ field.
12590         (General_options::add_plugin): New function.
12591         * options.h (Plugin_manager): Declare.
12592         (General_options): Add --plugin option.
12593         (General_options::has_plugins): New function.
12594         (General_options::plugins): New function.
12595         (General_options::add_plugin): New function.
12596         (General_options::plugins_): New field.
12597         * plugin.cc: New file.
12598         * plugin.h: New file.
12599         * readsyms.cc: Include "plugin.h".
12600         (Read_symbols::do_read_symbols): Check for archive before checking
12601         for ELF file.  Call plugin hooks to claim files.
12602         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12603         from a real object file; force override when processing replacement
12604         files.
12605         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12606         (Symbol::init_base_object): Likewise.
12607         (Symbol::init_base_output_data): Likewise.
12608         (Symbol::init_base_output_segment): Likewise.
12609         (Symbol::init_base_constant): Likewise.
12610         (Symbol::init_base_undefined): Likewise.
12611         (Symbol::output_section): Assert that object is not a plugin.
12612         (Symbol_table::add_from_pluginobj): New function.
12613         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12614         undefined.
12615         (Symbol_table::sized_write_globals): Likewise.
12616         (Symbol_table::add_from_pluginobj): Instantiate template.
12617         * symtab.h (Sized_pluginobj): Declare.
12618         (Symbol::in_real_elf): New function.
12619         (Symbol::set_in_real_elf): New function.
12620         (Symbol::in_real_elf_): New field.
12621         (Symbol_table::add_from_pluginobj): New function.
12622
12623         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12624         (LIBDL): New variable.
12625         (LDADD): Add LIBDL.
12626         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12627         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12628         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12629         (MOSTLYCLEANFILES): Likewise.
12630         * testsuite/Makefile.in: Regenerate.
12631         * testsuite/plugin_test.c: New file.
12632         * testsuite/plugin_test_1.sh: New file.
12633         * testsuite/plugin_test_2.sh: New file.
12634
12635 2008-09-16  Ian Lance Taylor  <iant@google.com>
12636
12637         * target-reloc.h (relocate_section): Check whether a symbol is
12638         defined by the ABI before reporting an undefined symbol error.
12639         * target.h (Target::is_defined_by_abi): Make parameter const.
12640         (Target::do_is_defined_by_abi): Likewise.
12641         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12642         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12643         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12644         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12645         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12646         * testsuite/Makefile.in: Rebuild.
12647
12648         * fileread.cc (make_view): Add casts to avoid warning.
12649
12650 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12651
12652         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12653         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12654
12655 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12656
12657         * options.h (General_options::output_is_executable): New.
12658         (General_options::output_is_pie): New.
12659         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12660         for shared libraries.
12661         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12662
12663 2008-09-11  Chris Demetriou  <cgd@google.com>
12664
12665         * options.h (origin): New -z option.
12666         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12667         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12668         in DT_FLAGS_1.
12669
12670 2008-09-05  Cary Coutant  <ccoutant@google.com>
12671
12672         * fileread.cc (File_read::make_view): Add check for attempt to map
12673         beyond end of file.
12674
12675 2008-09-05  Cary Coutant  <ccoutant@google.com>
12676
12677         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12678         explicit instantiations.
12679
12680 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12681
12682         PR gold/6858
12683         * options.cc (General_options::finalize): Allow undefined symbols
12684         in shlibs if linking -shared.
12685
12686         PR gold/6859
12687         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12688         symbols as not needing a dynsym entry.
12689
12690 2008-08-20  Craig Silverstein  <csilvers@google.com>
12691
12692         * fileread.cc (File_read::open): Do not lock the file unless it
12693         was successfully opened.
12694
12695 2008-08-14  Cary Coutant  <ccoutant@google.com>
12696
12697         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12698         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12699         * testsuite/tls_test.cc (struct int128): 128-bit struct
12700         for testing TLS relocs with non-zero addend.
12701         (v12): New TLS variable.
12702         (t12): New test.
12703         (t_last): Add check for v12.
12704         * testsuite/tls_test.h (t12): New function.
12705         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12706
12707 2008-08-13  Ian Lance Taylor  <iant@google.com>
12708
12709         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12710         set tls_segment_ or relro_segment_.
12711         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12712         when appropriate.
12713         * output.h (Output_section::clear_is_relro): New function.
12714         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12715         sections specially even when output_data_ is empty.
12716         (Output_segment::maximum_alignment): When first section is relro,
12717         only force alignment for PT_LOAD segments.
12718         * script.cc (script_data_segment_align): New function.
12719         (script_data_segment_relro_end): New function.
12720         * script-c.h (script_data_segment_align): Declare.
12721         (script_data_segment_relro_end): Declare.
12722         * script-sections.h (class Script_sections): Declare
12723         data_segment_align and data_segment_relro_end.  Add fields
12724         segment_align_index_ and saw_relro_end_.
12725         * script-sections.cc (class Sections_element): Add set_is_relro
12726         virtual function.  Add new bool* parameter to place_orphan_here.
12727         Add get_output_section virtual function.
12728         (class Output_section_definition): Add set_is_relro.  Add new
12729         bool* parameter to place_orphan_here.  Add get_output_section.
12730         Add is_relro_ field.
12731         (Output_section_definition::Output_section_definition): Initialize
12732         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12733         and is_relro_ fields.
12734         (Output_section_definition::place_orphan_here): Add is_relro
12735         parameter.
12736         (Output_section_definition::set_section_addresses): Set relro for
12737         output section.
12738         (Output_section_definition::alternate_constraint): Likewise.
12739         (class Orphan_output_section): Add new bool* parameter to
12740         place_orphan_here.  Add get_output_section.
12741         (Orphan_output_section::place_orphan_here): Add is_relro
12742         parameter.
12743         (Script_sections::Script_sections): Initialize
12744         data_segment_align_index_ and saw_relro_end_.
12745         (Script_sections::data_segment_align): New function.
12746         (Script_sections::data_segment_relro_end): New function.
12747         (Script_sections::place_orphan): Set or clear is_relro.
12748         (Script_sections::set_section_addresses): Force alignment of first
12749         TLS section.
12750         * yyscript.y (exp): Call script_data_segment_align and
12751         script_data_segment_relro_end.
12752         * testsuite/relro_script_test.t: New file.
12753         * testsuite/relro_test.cc (using_script): Declare.
12754         (t1, t2): Test using_script.
12755         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12756         (relro_script_test_SOURCES): Define.
12757         (relro_script_test_DEPENDENCIES): Define.
12758         (relro_script_test_LDFLAGS): Define.
12759         (relro_script_test_LDADD): Define.
12760         (relro_script_test.so): New target.
12761         * testsuite/Makefile.in: Rebuild.
12762
12763 2008-08-06  Cary Coutant <ccoutant@google.com>
12764
12765         * archive.cc (Archive::total_archives, Archive::total_members)
12766         (Archive::total_members_loaded): New variables.
12767         (Archive::setup): Add parameter.  Add option to preread
12768         archive symbols.
12769         (Archive::read_armap): Add counter.
12770         (Archive::get_file_and_offset): New function.
12771         (Archive::get_elf_object_for_member): New function.
12772         (Archive::read_all_symbols): New function.
12773         (Archive::read_symbols): New function.
12774         (Archive::add_symbols): Add counters.
12775         (Archive::include_all_members): Use armap to find members if it's
12776         already built.
12777         (Archive::include_member): Skip reading symbols if already read.
12778         Factored code into Archive::get_file_and_offset and
12779         Archive::get_elf_object_for_member.  Changed call to
12780         Mapfile::report_include_archive_member.
12781         (Archive::print_stats): New function.
12782         * archive.h: Declare Object and Read_symbols_data classes.
12783         (Archive::Archive): Add initializers for new members.
12784         (Archive::setup): Add parameter.
12785         (Archive::print_stats): New function.
12786         (Archive::total_archives, Archive::total_members)
12787         (Archive::total_members_loaded): New variables.
12788         (Archive::get_file_and_offset): New function.
12789         (Archive::get_elf_object_for_member): New function.
12790         (Archive::read_all_symbols): New function.
12791         (Archive::read_symbols): New function.
12792         (Archive::Archive_member): New class.
12793         (Archive::members_): New member.
12794         (Archive::num_members_): New member.
12795         * main.cc: Include archive.h.
12796         (main): Call Archive::print_stats.
12797         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12798         archive parameter; member_name is now the fully-decorated name.
12799         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12800         * options.h: (General_options): Add --preread-archive-symbols option.
12801         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12802         Archive::setup.
12803
12804 2008-08-04  Ian Lance Taylor  <iant@google.com>
12805
12806         * symtab.h (Symbol::use_plt_offset): New function.
12807         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12808         * powerpc.cc (Relocate::relocate): Likewise.
12809         * sparc.cc (Relocate::relocate): Likewise.
12810         * x86_64.cc (Relocate::relocate): Likewise.
12811         * testsuite/weak_plt.sh: New test.
12812         * testsuite/weak_plt_main.cc: New test.
12813         * testsuite/weak_plt_shared.cc: New test.
12814         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12815         (check_PROGRAMS): Add weak_plt.
12816         (check_DATA): Add weak_plt_shared.so.
12817         (weak_plt_main_pic.o, weak_plt): New targets.
12818         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12819         * testsuite/Makefile.in: Rebuild.
12820
12821         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12822         gcctestdir/ld.
12823         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12824         * testsuite/Makefile.in: Rebuild.
12825
12826 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12827
12828         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12829         * Makefile.in: Regenerate.
12830         * po/POTFILES.in: Regenerate.
12831
12832 2008-07-29  Ian Lance Taylor  <iant@google.com>
12833
12834         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12835         symbols before other symbols.
12836         * testsuite/script_test_2.cc (test_addr): Declare.
12837         (test_addr_alias): Declare.
12838         (main): Check that test_addr and test_addr_alias have the right
12839         values.
12840         * testsuite/script_test_2.t: Define test_addr_alias and
12841         test_addr.
12842
12843 2008-07-24  Ian Lance Taylor  <iant@google.com>
12844
12845         PR 5990
12846         * descriptors.cc: New file.
12847         * descriptors.h: New file.
12848         * gold-threads.h (class Hold_optional_lock): New class.
12849         * fileread.cc: Include "descriptors.h".
12850         (File_read::~File_read): Release descriptor rather than closing
12851         it.
12852         (File_read::open) [file]: Call open_descriptor rather than open.
12853         Set is_descriptor_opened_.
12854         (File_read::open) [memory]: Assert that descriptor is not open.
12855         (File_read::reopen_descriptor): New function.
12856         (File_read::release): Release descriptor.
12857         (File_read::do_read): Make non-const.  Reopen descriptor.
12858         (File_read::read): Make non-const.
12859         (File_read::make_view): Reopen descriptor.
12860         (File_read::do_readv): Likewise.
12861         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12862         Update declarations.
12863         * layout.cc: Include "descriptors.h".
12864         (Layout::create_build_id): Use open_descriptor rather than open.
12865         * output.cc: Include "descriptors.h".
12866         (Output_file::open): Use open_descriptor rather than open.
12867         * archive.cc (Archive::const_iterator): Change Archive to be
12868         non-const.
12869         (Archive::begin, Archive::end): Make non-const.
12870         (Archive::count_members): Likewise.
12871         * archive.h (class Archive): Update declarations.
12872         * object.h (Object::read): Make non-const.
12873         * Makefile.am (CCFILES): Add descriptors.cc.
12874         (HFILES): Add descriptors.h.
12875         * Makefile.in: Rebuild.
12876
12877         PR 6716
12878         * gold.h: Always include <clocale>.  Add Solaris workarounds
12879         following code in binutils/sysdep.h.
12880
12881         PR 6048
12882         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12883         this->eh_frame_hdr_ is NULL before using it.
12884
12885         * dynobj.cc (Versions::Versions): Update comment.
12886
12887         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12888         the base version name.
12889
12890         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12891         array size plus one.
12892         (Stringpool_template::set_string_offsets): Subtract one from key
12893         before using it as an array index.
12894         (Stringpool_template::get_offset_with_length): Likewise.
12895         (Stringpool_template::write_to_buffer): Likewise.
12896         * stringpool.h (Stringpool_template::get_offset_from_key):
12897         Likewise.
12898
12899 2008-07-23  Ian Lance Taylor  <iant@google.com>
12900
12901         PR 6658
12902         * object.h (Merged_symbol_value::value): Do our best to handle a
12903         negative addend.
12904
12905         PR 6647
12906         * script.cc (Version_script_info::get_versions): Don't add empty
12907         version tag to return value.
12908         (Version_script_info::get_symbol_version_helper): Change return
12909         type to bool.  Add pversion parameter.  Change all callers.
12910         (script_register_vers_node): Don't require a non-NULL tag.
12911         * script.h (class Version_script_info): Update declarations.
12912         (Version_script_info::get_symbol_version): Change return type to
12913         bool.  Add version parameter.  Change all callers.
12914         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12915         handling.  Handle an empty version from a version script.
12916         (Symbol_table::define_special_symbol): Likewise.
12917         * testsuite/ver_test_10.script: New file.
12918         * testsuite/ver_test_10.sh: New file.
12919         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12920         (check_DATA): Add ver_test_10.syms.
12921         (ver_test_10.syms, ver_test_10.so): New target.
12922         * testsuite/Makefile.in: Rebuild.
12923
12924 2008-07-23  Simon Baldwin  <simonb@google.com>
12925
12926         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12927         to zero for undefined symbols from dynamic libraries.
12928
12929 2008-07-23  Ian Lance Taylor  <iant@google.com>
12930
12931         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12932         Change all callers.
12933         * symtab.h (class Symbol_table): Update declaration.
12934         * testsuite/ver_test_9.cc: New file.
12935         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12936         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12937         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12938         (ver_test_9.so, ver_test_9.o): New targets.
12939         * testsuite/Makefile.in: Rebuild.
12940
12941 2008-07-22  Ian Lance Taylor  <iant@google.com>
12942
12943         * options.h (class General_options): Define --check-sections.
12944         * layout.cc (Layout::set_segment_offsets): Handle
12945         --check-sections.
12946
12947         * options.h (class General_options): Define -n/--nmagic and
12948         -N/--omagic.
12949         * options.cc (General_options::finalize): For -n/--nmagic or
12950         -N/--omagic, set -static.
12951         * layout.cc (Layout::attach_allocated_section_to_segment): If
12952         -N/--omagic, don't put read-only and read-write sections in
12953         different segments.
12954         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12955         finding a read-only segment.
12956         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12957         don't set the minimum segment alignment to the common page size,
12958         and don't set the file offset to the address modulo the page size.
12959         * script-sections.cc (Script_sections::create_segments): If
12960         -n/--omagic, don't put read-only and read-write sections in
12961         different segments.
12962
12963         * cref.cc: New file.
12964         * cref.h: New file.
12965         * options.h (class General_options): Add --print-symbol-counts.
12966         * main.cc (main): Issue defined symbol report if requested.
12967         * archive.cc (Archive::interpret_header): Make into a const member
12968         function.
12969         (Archive::add_symbols): Call Input_objects::archive_start and
12970         archive_stop.
12971         (Archive::const_iterator): Define new class.
12972         (Archive::begin, Archive::end): New functions.
12973         (Archive::include_all_members): Rewrite to use iterator.
12974         (Archive::count_members): New function.
12975         * archive.h (class Archive): Update declarations.
12976         (Archive::filename): New function.
12977         * object.cc: Include "cref.h".
12978         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12979         (Sized_relobj::do_get_global_symbol_counts): New function.
12980         (Input_objects::add_object): Add object to cross-referencer.
12981         (Input_objects::archive_start): New function.
12982         (Input_objects::archive_stop): New function.
12983         (Input_objects::print_symbol_counts): New function.
12984         * object.h: Declare Cref and Archive.
12985         (Object::get_global_symbol_counts): New function.
12986         (Object::do_get_global_symbol_counts): New pure virtual function.
12987         (class Sized_relobj): Add defined_count_ field.  Update
12988         declarations.
12989         (class Input_objects): Add cref_ field.  Update constructor.
12990         Update declarations.
12991         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12992         defined_count_.
12993         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12994         symbol counts.
12995         (Sized_dynobj::do_get_global_symbol_counts): New function.
12996         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12997         defined_count_.  Update declarations.  Define Symbols typedef.
12998         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12999         parameter.  Change all callers.
13000         (Symbol_table::add_from_dynobj): Add sympointers and defined
13001         parameters.  Change all callers.
13002         * symtab.h (class Symbol_table): Update declarations.
13003         * Makefile.am (CCFILES): Add cref.cc.
13004         (HFILES): Add cref.h.
13005         * Makefile.in: Rebuild.
13006
13007 2008-07-22  Simon Baldwin  <simonb@google.com>
13008
13009         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13010         to zero when writing undefined symbols.
13011
13012 2008-07-22  Ian Lance Taylor  <iant@google.com>
13013
13014         * output.cc (Output_section::add_input_section): Don't try to
13015         merge empty merge sections.
13016
13017 2008-07-21  Craig Silverstein  <csilvers@google.com>
13018
13019         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13020         Include symbol version in error message.
13021
13022 2008-07-20  Chris Demetriou  <cgd@google.com>
13023
13024         * configure.ac (gold_cv_c_random_seed): New configured variable.
13025         (RANDOM_SEED_CFLAGS): New substituted variable.
13026         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13027         * configure: Rebuild.
13028         * Makefile.in: Likewise.
13029         * testsuite/Makefile.in: Likewise.
13030
13031 2008-07-18  Ian Lance Taylor  <iant@google.com>
13032
13033         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13034         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13035         * testsuite/ver_test_main.cc (main): Call t4.
13036         (t4, t4_2a): Define.
13037         * testsuite/ver_test_2.cc (t4_2): Define.
13038         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13039         * testsuite/ver_test_4.cc (t4_2a): Define.
13040         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13041         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13042
13043 2008-07-17  Ian Lance Taylor  <iant@google.com>
13044
13045         * dynobj.cc (Versions::add_def): If we give an error about a
13046         missing version, go ahead and create the version anyhow.
13047
13048 2008-07-10  Ian Lance Taylor  <iant@google.com>
13049
13050         Handle output sections with more than 0x7fffffff bytes.
13051         * object.h (class Relobj): Change map_to_output_ to
13052         output_sections_, and just keep a section pointer.  Change all
13053         uses.  Move comdat group support to Sized_relobj.
13054         (Relobj::is_section_specially_mapped): Remove.
13055         (Relobj::output_section): Remove poff parameter.  Change all
13056         callers.
13057         (Relobj::output_section_offset): New function.
13058         (Relobj::set_section_offset): Rewrite.
13059         (Relobj::map_to_output): Remove.
13060         (Relobj::output_sections): New function.
13061         (Relobj::do_output_section_offset): New pure virtual function.
13062         (Relobj::do_set_section_offset): Likewise.
13063         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13064         group support from Relobj.  Update declarations.
13065         (Sized_relobj::get_output_section_offset): New function.
13066         (Sized_relobj::do_output_section_offset): New function.
13067         (Sized_relobj::do_set_section_offset): New function.
13068         * object.cc (Relobj::output_section_address): Remove.
13069         (Sized_relobj::Sized_relobj): Initialize new fields.
13070         (Sized_relobj::include_section_group): Cast find_kept_object to
13071         Sized_relobj.
13072         (Sized_relobj::include_linkonce_section): Likewise.
13073         (Sized_relobj::do_layout): Use separate arrays for output section
13074         and output offset.
13075         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13076         output_sections.
13077         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13078         output_sections and section_offsets.
13079         (Sized_relobj::write_local_symbols): Likewise.
13080         (map_to_kept_section): Compute output address directly.
13081         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13082         output_sections and section_offsets.
13083         (Sized_relobj::write_sections): Likewise.
13084         (Sized_relobj::relocate_sections): Likewise.
13085         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13086         * output.h (class Output_reloc): Update declarations.  Change
13087         u2_.relobj to Sized_relobj*.
13088         (class Output_data_reloc): Change add functions to use
13089         Sized_relobj*.
13090         * output.cc (Output_reloc::Output_reloc): Change relobj to
13091         Sized_relobj*.
13092         (Output_reloc::local_section_offset): Change return type to
13093         Elf_Addr.  Use get_output_section_offset.
13094         (Output_reloc::get_address): Likewise.
13095         (Output_section::is_input_address_mapped): Don't call
13096         is_section_specially_mapped.
13097         (Output_section::output_offset): Likewise.
13098         (Output_section::output_address): Likewise.
13099         (Output_section::starting_output_address): Likewise.
13100         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13101         parameter to Sized_relobj*.
13102         (Copy_relocs::need_copy_reloc): Likewise.
13103         (Copy_relocs::save): Likewise.
13104         * copy-relocs.h (class Copy_relocs): Update declarations.
13105         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13106         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13107         * target-reloc.h (relocate_for_relocatable): Change
13108         offset_in_output_section type to Elf_Addr.  Change code that uses
13109         it as well.
13110         * layout.cc (Layout::layout): Always set *off.
13111         * mapfile.cc (Mapfile::print_input_section): Use
13112         output_section_offset.
13113         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13114         Sized_relobj*.
13115         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13116         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13117         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13118
13119 2008-07-03  Ian Lance Taylor  <iant@google.com>
13120
13121         * layout.cc (Layout::include_section): Do not discard unrecognized
13122         SHT_STRTAB sections.
13123
13124 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13125
13126         * script.cc (Lex::can_continue_name): Make '?' allowable in
13127         version-script names.
13128         * testsuite/version_script.map: Change glob pattern to use '?'
13129
13130 2008-06-30  Manish Singh  <yosh@gimp.org>
13131
13132         PR 6585
13133         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13134         Correct typo.
13135
13136 2008-06-30  Ian Lance Taylor  <iant@google.com>
13137
13138         PR 6660
13139         PR 6682
13140         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13141         versions]: Don't try to read the value in the contents, since we
13142         don't use it.  Use the template endianness when writing.
13143
13144 2008-06-25  Cary Coutant  <ccoutant@google.com>
13145
13146         * fileread.cc (File_read::make_view): Assert on zero-length view.
13147         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13148         symbol table when there are no symbols to read.
13149
13150 2008-06-23  Craig Silverstein  <csilvers@google.com>
13151
13152         * version.cc (version_string): Bump to 1.7
13153
13154 2008-06-18  Craig Silverstein  <csilvers@google.com>
13155
13156         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13157         constant 0xFFFF to type Valtype.
13158         (Powerpc_relocate_functions::rel16_ha): Likewise.
13159
13160 2008-06-17  Ian Lance Taylor  <iant@google.com>
13161
13162         * output.h (Output_section::Input_section): Initialize p2align_ to
13163         zero for Output_section_data constructors.
13164         (Output_section::Input_section::addralign): If not an input
13165         section, return the alignment of the Output_section_data.
13166         * testsuite/copy_test.cc: New file.
13167         * testsuite/copy_test_1.cc: New file.
13168         * testsuite/copy_test_2.cc: New file.
13169         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13170         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13171         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13172         (copy_test_1_pic.o, copy_test_1.so): New targets.
13173         (copy_test_2_pic.o, copy_test_2.so): New targets.
13174         * testsuite/Makefile.in: Rebuild.
13175
13176         * script-sections.cc (Script_sections::place_orphan): Initialize
13177         local variable exact.
13178
13179 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13180
13181         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13182
13183 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13184             David S. Miller  <davem@davemloft.net>
13185
13186         * powerpc.cc: New file.
13187         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13188         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13189         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13190         * Makefile.in: Rebuild.
13191
13192 2008-06-09  Ian Lance Taylor  <iant@google.com>
13193
13194         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13195         <exception>.
13196         (throwing, orig_terminate): New static variables.
13197         (terminate_handler): New static function.
13198         (t2): Set terminate handler.
13199
13200 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13201
13202         PR 6584
13203         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13204         alignment.
13205
13206 2008-05-30  Cary Coutant  <ccoutant@google.com>
13207
13208         * archive.cc (Archive::include_all_members) Correct to step
13209         over symbol table and extended name table in thin archives.
13210
13211 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13212
13213         PR 6407
13214         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13215         calculation.
13216
13217 2008-05-28  Caleb Howe  <cshowe@google.com>
13218
13219         * reduced_debug_output.cc: New file.
13220         * reduced_debug_output.h: New file.
13221         * options.h (class General_options): Add --strip-debug-non-line.
13222         * options.cc (General_options::finalize): Add strip_debug_non_line
13223         to the strip heirarchy.
13224         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13225         fields.
13226         * layout.cc: Include "reduced_debug_output.h".
13227         (Layout::Layout): Initialize new fields.
13228         (line_only_debug_sections): New static array.
13229         (is_lines_only_debug_sections): New static inline function.
13230         (Layout::include_section): Handle --strip-debug-non-line.
13231         (Layout::make_output_section): If --strip-debug-non-line, build
13232         new output sections for .debug_abbrev and .debug_info.
13233         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
13234         gold.  Warn about possible overflow.
13235         (read_signed_LEB_128): Likewise.
13236         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
13237         (read_signed_LEB_128): Declare.
13238         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
13239         (HFILES): Add reduced_debug_output.h.
13240         * Makefile.in: Rebuild.
13241
13242 2008-05-21  Ian Lance Taylor  <iant@google.com>
13243
13244         * mapfile.cc: New file.
13245         * mapfile.h: New file.
13246         * options.h (class General_options): Add -M/--print-map and -Map.
13247         * options.cc (General_options::finalize): Make -M equivalent to
13248         -Map -.
13249         * main.cc: Include <cstdio> and "mapfile.h".
13250         (main): Open mapfile if requested.
13251         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13252         constructor.  Change caller.
13253         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13254         (queue_middle_tasks): Likewise.
13255         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13256         declarations.
13257         * archive.cc: Include "mapfile.h".
13258         (Archive::add_symbols): Add mapfile parameter.  Change all
13259         callers.  Pass mapfile, symbol, and reason to include_member.
13260         (Archive::include_all_members): Add mapfile parameter.  Change all
13261         callers.
13262         (Archive::include_member): Add mapfile, sym, and why parameters.
13263         Change all callers.  Report inclusion to map file.
13264         * archive.h: Include "fileread.h".
13265         (class Archive): Update declarations.
13266         (Archive::file): New const method.
13267         (class Add_archive_symbols): Add mapfile_ field.  Update
13268         constructor.  Change all callers.
13269         * readsyms.h (class Read_symbols): Likewise.
13270         (class Finish_group): Likewise.
13271         (class Read_script): Likewise.
13272         * common.cc: Include "mapfile.h".
13273         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13274         all callers.
13275         (Symbol_table::do_allocate_commons): Likewise.
13276         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13277         symbol allocation to mapfile.
13278         * common.h (class Allocate_commons_task): Add mapfile_ field.
13279         Update constructor.  Change all callers.
13280         * symtab.h (class Symbol_table): Update declarations.
13281         * layout.cc: Include "mapfile.h".
13282         (Layout_task_runner::run): Print information to mapfile.
13283         (Layout::create_gold_note): Change Output_data_fixed_space to
13284         Output_data_zero_fill.
13285         (Layout::create_build_id): Likewise.
13286         (Layout::print_to_mapfile): New function.
13287         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13288         constructor.  Change caller.
13289         (class Layout): Declare print_to_mapfile.
13290         * output.cc (Output_section::Input_section::print_to_mapfile): New
13291         function.
13292         (Output_section::add_input_section): If producing a map, always
13293         add to input_sections_ list.
13294         (Output_section::do_print_to_mapfile): New function.
13295         (Output_segment::print_sections_to_mapfile): New function.
13296         (Output_segment::print_section_list_to_mapfile): New function.
13297         * output.h: Include "mapfile.h".
13298         (Output_data::print_to_mapfile): New function.
13299         (Output_data::do_print_to_mapfile): New virtual function.
13300         (Output_segment_headers::do_print_to_mapfile): New function.
13301         (Output_file_header::do_print_to_mapfile): New function.
13302         (Output_data_const::do_print_to_mapfile): New function.
13303         (class Output_data_const_buffer): Add map_name_ field.  Update
13304         constructor.  Change all callers.  Add do_print_to_mapfile
13305         function.
13306         (class Output_data_fixed_space): Likewise.
13307         (class Output_data_space): Likewise.
13308         (class Output_data_zero_fill): New class.
13309         (Output_data_strtab::do_print_to_mapfile): New function.
13310         (Output_data_reloc_base::do_print_to_mapfile): New function.
13311         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13312         (Output_data_group::do_print_to_mapfile): New function.
13313         (Output_data_got::do_print_to_mapfile): New function.
13314         (Output_data_dynamic::do_print_to_mapfile): New function.
13315         (Output_symtab_xindex::do_print_to_mapfile): New function.
13316         (class Output_section): Declare do_print_to_mapflie.  Declare
13317         print_to_mapfile in Input_section.
13318         (class Output_segment): Declare new functions.
13319         * object.h (Sized_relobj::symbol_count): New function.
13320         * script-sections.cc
13321         (Output_section_element_dot_assignment::set_section_addresses):
13322         Change Output_data_fixed_space to Output_data_zero_fill.
13323         (Output_data_expression::do_print_to_mapfile): New function.
13324         * script.cc (read_input_script): Add mapfile parameter.  Change
13325         all callers.
13326         * script.h (read_input_script): Update declaration.
13327         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13328         (Eh_frame::do_print_to_mapfile): New function.
13329         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13330         (Output_merge_string::do_print_to_mapfile): New function.
13331         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13332         function.
13333         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13334         function.
13335         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13336         function.
13337         * Makefile.am (CCFILES): Add mapfile.cc.
13338         (HFILES): Add mapfile.h.
13339         * Makefile.in: Rebuild.
13340
13341 2008-05-19  Ian Lance Taylor  <iant@google.com>
13342
13343         * options.h (class General_options): Add -z relro.
13344         * layout.cc (Layout::Layout): Initialize relro_segment_.
13345         (Layout::add_output_section_data): Return the output section.
13346         (Layout::make_output_section): Rcognize relro sections and mark
13347         them appropriately.
13348         (Layout::attach_allocated_section_to_segment): Put relro sections
13349         in a PT_GNU_RELRO segment.
13350         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13351         section as relro.
13352         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13353         PT_TLS segments.
13354         (Layout::linkonce_mapping): Map d.rel.ro.local to
13355         .data.rel.ro.local.
13356         (Layout::output_section_name): Us .data.rel.ro.local for any
13357         section which begins with that.
13358         * layout.h (class Layout): Update add_output_section_data
13359         declaration.  Add relro_segment_ field.
13360         * output.cc (Output_section::Output_section): Initialize is_relro_
13361         and is_relro_local_ fields.
13362         (Output_segment::add_output_section): Group relro sections.
13363         (Output_segment::is_first_section_relro): New function.
13364         (Output_segment::maximum_alignment): If there is a relro section,
13365         align the segment to the common page size.
13366         (Output_segment::set_section_addresses): Track whether we are
13367         looking at relro sections.  If the last section is a relro
13368         section, align to the common page size.
13369         (Output_segment::set_section_list_addresses): Add in_relro
13370         parameter.  Change all callers.  Align to the page size when
13371         moving from relro to non-relro section.
13372         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13373         segment.
13374         * output.h (class Output_section): Add is_relro_ and
13375         is_relro_local_ fields.
13376         (Output_section::is_relro): New function.
13377         (Output_section::set_is_relro): New function.
13378         (Output_section::is_relro_local): New function.
13379         (Output_section::set_is_relro_local): New function.
13380         (class Output_segment): Update declarations.
13381         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13382         * sparc.cc (Target_sparc::got_section): Likewise.
13383         * x86_64.cc (Target_x86_64::got_section): Likewise.
13384         * testsuite/relro_test_main.cc: New file.
13385         * testsuite/relro_test.cc: New file.
13386         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13387         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13388         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13389         (relro_test.so, relro_test_pic.o): New targets.
13390         * testsuite/Makefile.in: Rebuild.
13391
13392 2008-05-16  Ian Lance Taylor  <iant@google.com>
13393
13394         * output.cc (Output_segment::add_output_section): Remove front
13395         parameter.
13396         * output.h (class Output_segment): Remove
13397         add_initial_output_section and overloaded add_output_section.
13398         Update declaration of remaining add_output_section.
13399         * layout.cc (Layout::create_interp): Call add_output_section
13400         rather than add_initial_output_section.
13401         (Layout::finish_dynamic_section): Likewise.
13402
13403         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13404         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13405         know the dynamic type.
13406         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13407         field.  Initialize it in constructor.
13408         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13409         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13410         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13411         reloc.
13412
13413         * output.cc (Output_reloc::get_address): Change return type to
13414         Elf_Addr.
13415         * output.h (class Output_reloc): Update get_address declaration.
13416         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13417         for section addresses.
13418
13419 2008-05-09  Ian Lance Taylor  <iant@google.com>
13420
13421         PR 6493
13422         * gold.cc (gold_nomem): Use return value of write.
13423
13424 2008-05-08  Ian Lance Taylor  <iant@google.com>
13425
13426         * symtab.c (Symbol::init_base_output_data): Add version
13427         parameter.  Change all callers.
13428         (Symbol::init_base_output_segment): Likewise.
13429         (Symbol::init_base_constant): Likewise.
13430         (Symbol::init_base_undefined): Likewise.
13431         (Sized_symbol::init_output_data): Likewise.
13432         (Sized_symbol::init_output_segment): Likewise.
13433         (Sized_symbol::init_constant): Likewise.
13434         (Sized_symbol::init_undefined): Likewise.
13435         (Symbol_table::do_define_in_output_data): If the new symbol has a
13436         version, mark it as the default.
13437         (Symbol_table::do_define_in_output_segment): Likewise.
13438         (Symbol_table::do_define_as_constant): Likewise.
13439         * symtab.h (class Symbol): Update declarations.
13440         (class Sized_symbol): Likewise.
13441         * resolve.cc (Symbol::override_version): New function.
13442         (Symbol::override_base): Call override_version.
13443         (Symbol::override_base_with_special): Likewise.
13444         * testsuite/ver_script_8.script: New file.
13445         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13446         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13447         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13448         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13449
13450 2008-05-06  Ian Lance Taylor  <iant@google.com>
13451
13452         PR 6049
13453         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13454         functions.
13455         (class General_options): Remove existing --undefined, and add
13456         --no-undefined instead.  Add new --undefined as synonym for -u.
13457         * archive.cc (Archive::add_symbols): Check whether symbol was
13458         named with -u.
13459         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13460         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13461         all uses.  Add IS_UNDEFINED.  Update declarations to split
13462         different versions of init_base.  Declare init_base_undefined.
13463         (Symbol::is_defined): Handle IS_UNDEFINED.
13464         (Symbol::is_undefined): Likewise.
13465         (Symbol::is_weak_undefined): Call is_undefined.
13466         (Symbol::is_absolute): Handle IS_CONSTANT.
13467         (class Sized_symbol): Update declarations to split different
13468         versions of init.  Declare init_undefined.
13469         (class Symbol_table): Declare new functions.
13470         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13471         Change all callers.
13472         (Symbol::init_base_output_data): Likewise.
13473         (Symbol::init_base_output_segment): Likewise.
13474         (Symbol::init_base_constant): Likewise.
13475         (Symbol::init_base_undefined): New function.
13476         (Sized_symbol::init_object): Rename from init.  Change all
13477         callers.
13478         (Sized_symbol::init_output_data): Likewise.
13479         (Sized_symbol::init_output_segment): Likewise.
13480         (Sized_symbol::init_constant): Likewise.
13481         (Sized_symbol::init_undefined): New function.
13482         (Symbol_table::add_undefined_symbols_from_command_line): New
13483         function.
13484         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13485         function.
13486         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13487         (Symbol::output_section): Likewise.
13488         (Symbol::set_output_section): Likewise.
13489         (Symbol_table::sized_finalize_symbol): Likewise.
13490         (Symbol_table::sized_write_globals): Likewise.
13491         * resolve.cc (Symbol_table::should_override): Likewise.
13492         (Symbol::override_base_with_special): Likewise.
13493
13494         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13495         symbol, change it to have default visibility.
13496         * testsuite/protected_1.cc: New file.
13497         * testsuite/protected_2.cc: New file.
13498         * testsuite/protected_3.cc: New file.
13499         * testsuite/protected_main_1.cc: New file.
13500         * testsuite/protected_main_2.cc: New file.
13501         * testsuite/protected_main_3.cc: New file.
13502         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13503         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13504         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13505         (protected_1.so): New target.
13506         (protected_1_pic.o, protected_2_pic.o): New targets.
13507         (protected_3_pic.o): New target.
13508         (check_PROGRAMS): Add protected_2.
13509         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13510         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13511         * testsuite/Makefile.in: Rebuild.
13512
13513         * options.h (DEFINE_var): Add set_user_set_##varname__.
13514         (DEFINE_bool_alias): New macro.
13515         (class General_options): Define -Bstatic using DEFINE_bool_alias
13516         rather than DEFINE_special.  Add --undefined as an alias for -z
13517         defs.
13518         * options.cc (General_options::parse_Bstatic): Remove.
13519
13520         * options.h (class General_options): Add --fatal-warnings.
13521         * main.cc (main): Implement --fatal-warnings.
13522         * errors.h (Errors::warning_count): New function.
13523
13524         * options.h (class General_options): Add -Bsymbolic-functions.
13525         * symtab.h (Symbol::is_preemptible): Check for
13526         -Bsymbolic-functions.
13527
13528 2008-05-05  Ian Lance Taylor  <iant@google.com>
13529
13530         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13531         as noVARNAME rather than no-VARNAME.
13532         (class General_options): Add option -z combreloc.
13533         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13534         get_address.
13535         (Output_reloc::sort_before) [SHT_REL]: New function.
13536         (Output_reloc::sort_before) [SHT_RELA]: New function.
13537         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13538         Sort_relocs_comparison.
13539         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13540         parameter.  Change all callers.
13541         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13542         sort_relocs parameter.  Change all callers.
13543         * output.cc (Output_reloc::get_address): New function, broken out
13544         of write_rel.
13545         (Output_reloc::write_rel): Call it.
13546         (Output_reloc::compare): New function.
13547         (Output_data_reloc_base::do_write): Optionally sort relocs.
13548
13549         * configure.ac: If targ_extra_obj is set, link it in.
13550         * configure.tgt: Initialize all variables.
13551         (x86_64*): Set targ_extra_obj and targ_extra_size.
13552         * configure: Rebuild.
13553
13554         * object.cc (Sized_relobj::include_section_group): Adjust section
13555         indexes read from group data.  Build vector to pass to
13556         layout_group.
13557         * layout.cc (Layout::layout_group): Add flags and shndxes
13558         parameters.  Remove contents parameter.  Change caller.  Update
13559         explicit instantiations.
13560         * layout.h (class Layout): Update layout_group declaration.
13561         * output.cc (Output_data_group::Output_data_group): Add flags and
13562         input_shndxes parameters.  Remove contents parameter.  Change
13563         caller.
13564         (Output_data_group::do_write): Change input_sections_ to
13565         input_shndxes_.
13566         * output.h (class Output_data_group): Update constructor
13567         declaration.  Rename input_sections_ to input_shndxes_.
13568         * testsuite/many_sections_test.cc: Add template.
13569
13570 2008-04-30  Cary Coutant  <ccoutant@google.com>
13571
13572         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13573
13574         * layout.cc (Layout::include_section): Refactored check for debug
13575         info section.
13576         (Layout::add_comdat): Add new parameters.  Change type
13577         of signature parameter.  Add object and shndx to signatures table.
13578         (Layout::find_kept_object): New function.
13579         * layout.h: Include <cstring>.
13580         (Layout::is_debug_info_section): New function.
13581         (Layout::add_comdat): Add new parameters.
13582         (Layout::find_kept_object): New function.
13583         (Layout::Kept_section): New struct.
13584         (Layout::Signatures): Change type of map range.
13585         * object.cc (Relobj::output_section_address): New function.
13586         (Sized_relobj::include_section_group): Add new parameters.  Change
13587         calls to Layout::add_comdat.  Change to build table of kept comdat
13588         groups and table mapping discarded sections to kept sections.
13589         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13590         (Sized_relobj::do_layout): Change calls to include_section_group and
13591         include_linkonce_section.
13592         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13593         value to zero when section is discarded.
13594         (Sized_relobj::map_to_kept_section): New function.
13595         * object.h (Relobj::output_section_address): New function.
13596         (Relobj::Comdat_group): New type.
13597         (Relobj::find_comdat_group): New function.
13598         (Relobj::Comdat_group_table): New type.
13599         (Relobj::Kept_comdat_section): New type.
13600         (Relobj::Kept_comdat_section_table): New type.
13601         (Relobj::add_comdat_group): New function.
13602         (Relobj::set_kept_comdat_section): New function.
13603         (Relobj::get_kept_comdat_section): New function.
13604         (Relobj::comdat_groups_): New field.
13605         (Relobj::kept_comdat_sections_): New field.
13606         (Symbol_value::input_value): Update comment.
13607         (Sized_relobj::map_to_kept_section) New function.
13608         (Sized_relobj::include_linkonce_section): Add new parameter.
13609         * target-reloc.h (Comdat_behavior): New type.
13610         (get_comdat_behavior): New function.
13611         (relocate_section): Add code to map a discarded section to the
13612         corresponding kept section when applying a relocation.
13613
13614 2008-04-30  Craig Silverstein  <csilvers@google.com>
13615
13616         * dwarf_reader.cc (next_generation_count): New static var.
13617         (Addr2line_cache_entry): New struct.
13618         (addr2line_cache): New static var.
13619         (Dwarf_line_info::one_addr2line): Added caching.
13620         (Dwarf_line_info::clear_addr2line_cache): New function.
13621         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13622         cache-size parameter.
13623         (Dwarf_line_info::one_addr2line_cache): New function.
13624         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13625         new cache-size argument to one_addr2line(), and clear cache.
13626
13627 2008-04-28  Cary Coutant  <ccoutant@google.com>
13628
13629         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13630         R_386_PC8 relocations.
13631
13632 2008-04-23  Ian Lance Taylor  <iant@google.com>
13633
13634         * object.cc (Sized_relobj::include_section_group): Check for
13635         invalid section group.
13636
13637         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13638         header size.
13639
13640         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13641         than read for file header.
13642         * archive.cc (Archive::include_member): Likewise.
13643
13644 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13645
13646         * aclocal.m4: Regenerate.
13647         * configure: Regenerate.
13648
13649 2008-04-19  Ian Lance Taylor  <iant@google.com>
13650
13651         * version.cc (version_string): Bump to 1.6.
13652
13653         * testsuite/Makefile.am (many_sections_r_test): New target.
13654         (many_sections_r_test_SOURCES): Remove.
13655         (many_sections_r_test_DEPENDENCIES): Remove.
13656         (many_sections_r_test_LDFLAGS): Remove.
13657         (many_sections_r_test_LDADD): Remove.
13658
13659         * object.cc (Sized_relobj::do_add_symbols): Always pass
13660         local_symbol_count_ to add_from_relobj.
13661
13662         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13663         every thousand variables.
13664         * testsuite/Makefile.in: Rebuild.
13665
13666         * object.cc (Xindex::initialize_symtab_xindex): New function.
13667         (Xindex::read_symtab_xindex): New function.
13668         (Xindex::sym_xindex_to_shndx): New function.
13669         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13670         available.
13671         (Sized_relobj::do_initialize_xindex): New function.
13672         (Sized_relobj::do_read_symbols): Adjust section links.
13673         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13674         parameter.  Change all callers.
13675         (Sized_relobj::include_section_group): Adjust section links and
13676         symbol section indexes.
13677         (Sized_relobj::do_layout): Adjust section links.
13678         (Sized_relobj::do_count_local_symbols): Adjust section links and
13679         symbol section indexes.
13680         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13681         ordinary and special symbols.
13682         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13683         dynsym_xindex parameters.  Change all callers.  Adjust section
13684         links.  Use SHN_XINDEX when needed.
13685         (Sized_relobj::get_symbol_location_info): Adjust section links.
13686         Don't get fooled by special symbols.
13687         * object.h (class Xindex): Define.
13688         (class Object): Add xindex_ parameter.  Declare virtual functoin
13689         do_initialize_xindex.
13690         (Object::adjust_sym_shndx): New function.
13691         (Object::set_xindex): New protected function.
13692         (class Symbol_value): Add is_ordinary_shndx_ field.
13693         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13694         (Symbol_value::value): Assert ordinary section.
13695         (Symbol_value::initialize_input_to_output_map): Likewise.
13696         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13697         Change all callers.
13698         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13699         all callers.
13700         (class Sized_relobj): Update declarations.
13701         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13702         parameter.  Change all callers.
13703         (Sized_relobj::adjust_shndx): New function.
13704         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13705         field.
13706         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13707         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13708         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13709         (Sized_dynobj::read_dynsym_section): Adjust section links.
13710         (Sized_dynobj::read_dynamic): Likewise.
13711         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13712         section links.
13713         (Sized_dynobj::do_initialize_xindex): New function.
13714         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13715         do_initialize_xindex.
13716         (Sized_dynobj::adjust_shndx): New function.
13717         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13718         dynsym_xindex_ fields.
13719         (Layout::finalize): Add a call to set_section_indexes before
13720         creating the symtab sections.
13721         (Layout::set_section_indexes): Don't do anything if the section
13722         already has a section index.
13723         (Layout::create_symtab_sections): Add shnum parameter.  Change
13724         caller.  Create .symtab_shndx section if needed.
13725         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13726         caller.
13727         (Layout::allocated_output_section_count): New function.
13728         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13729         needed.
13730         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13731         fields.  Update declarations.
13732         (Layout::symtab_xindex): New function.
13733         (Layout::dynsym_xindex): New function.
13734         (class Write_symbols_task): Add layout_ field.
13735         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13736         Change caller.
13737         * output.cc (Output_section_headers::Output_section_headers): Add
13738         shstrtab_section parameter.  Change all callers.
13739         (Output_section_headers::do_sized_write): Store overflow values
13740         for section count and section string table section index in
13741         section header zero.
13742         (Output_file_header::do_sized_write): Check for overflow of
13743         section count and section string table section index.
13744         (Output_symtab_xindex::do_write): New function.
13745         (Output_symtab_xindex::endian_do_write): New function.
13746         * output.h (class Output_section_headers): Add shstrtab_section_.
13747         Update declarations.
13748         (class Output_symtab_xindex): Define.
13749         (Output_section::has_out_shndx): New function.
13750         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13751         field.
13752         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13753         Change all callers.
13754         (Sized_symbol::init): Likewise.
13755         (Symbol::output_section): Check for ordinary symbol.
13756         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13757         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13758         callers.
13759         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13760         Change all callers.  Simplify handling of symbols from sections
13761         not included in the link.
13762         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13763         distinction.
13764         (Weak_alias_sorter::operator()): Assert that symbols are
13765         ordinary.
13766         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13767         distinction.
13768         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13769         parameters.  Change all callers.
13770         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13771         symbol distinction.  Use SHN_XINDEX when needed.
13772         (Symbol_table::write_section_symbol): Add symtab_xindex
13773         parameter.  Change all callers.
13774         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13775         SHN_XINDEX when needed.
13776         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13777         declarations.
13778         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13779         (Symbol::is_defined): Check is_ordinary.
13780         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13781         (Symbol::is_absolute, Symbol::is_common): Likewise.
13782         (class Sized_symbol): Update declarations.
13783         (class Symbol_table): Update declarations.
13784         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13785         parameters.  Change all callers.
13786         (Sized_symbol::override): Likewise.
13787         (Symbol_table::override): Likewise.
13788         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13789         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13790         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13791         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13792         to be in an ordinary section.
13793         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13794         object and is_ordinary parameters.  Change all callers.
13795         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13796         Change all callers.  Don't add undefined or non-ordinary symbols
13797         to reloc_map_.
13798         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13799         Change all callers.
13800         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13801         declarations.
13802         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13803         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13804         (Sized_relobj::relocate_sections): Likewise.
13805         * target-reloc.h (scan_relocs): Adjust section symbol index.
13806         (scan_relocatable_relocs): Likewise.
13807         * i386.cc (Scan::local): Check for ordinary symbols.
13808         * sparc.cc (Scan::local): Likewise.
13809         * x86_64.cc (Scan::local): Likewise.
13810         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13811         to symbol_section_and_value.
13812         * testsuite/many_sections_test.cc: New file.
13813         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13814         (check_PROGRAMS): Add many_sections_test.
13815         (many_sections_test_SOURCES): Define.
13816         (many_sections_test_DEPENDENCIES): Define.
13817         (many_sections_test_LDFLAGS): Define.
13818         (BUILT_SOURCES): Add many_sections_define.h.
13819         (many_sections_define.h): New target.
13820         (BUILT_SOURCES): Add many_sections_check.h.
13821         (many_sections_check.h): New target.
13822         (check_PROGRAMS): Add many_sections_r_test.
13823         (many_sections_r_test_SOURCES): Define.
13824         (many_sections_r_test_DEPENDENCIES): Define.
13825         (many_sections_r_test_LDFLAGS): Define.
13826         (many_sections_r_test_LDADD): Define.
13827         (many_sections_r_test.o): New target.
13828         * testsuite/Makefile.in: Rebuild.
13829
13830 2008-04-17  Cary Coutant  <ccoutant@google.com>
13831
13832         * errors.cc (Errors::info): New function.
13833         (gold_info): New function.
13834         * errors.h (Errors::info): New function.
13835         * gold.h (gold_info): New function.
13836         * object.cc (Input_objects::add_object): Print trace output.
13837         * options.cc (options::parse_set): New function.
13838         (General_options::parse_wrap): Deleted.
13839         (General_options::General_options): Deleted initializer.
13840         * options.h (options::String_set): New typedef.
13841         (options::parse_set): New function.
13842         (DEFINE_set): New macro.
13843         (General_options::wrap): Changed to use DEFINE_set. Changed
13844         callers of any_wrap_symbols and is_wrap_symbol.
13845         (General_options::trace, General_options::trace_symbol):
13846         New options.
13847         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13848         (General_options::wrap_symbols_): Deleted.
13849         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13850
13851 2008-04-17  David S. Miller  <davem@davemloft.net>
13852
13853         * options.cc (General_options::parse_V): New function.
13854         * options.h: Add entries for -V and -Qy.
13855
13856 2008-04-17  Ian Lance Taylor  <iant@google.com>
13857
13858         * common.cc (Symbol_table::allocate_commons): Remove options
13859         parameter.  Change caller.
13860         (Symbol_table::do_allocate_commons): Remove options parameter.
13861         Change caller.  Just call do_allocate_commons_list twice.
13862         (Symbol_table::do_allocate_commons_list): New function, broken out
13863         of do_allocate_commons.
13864         * common.h (class Allocate_commons_task): Remove options_ field.
13865         Update constructor.
13866         * symtab.cc (Symbol_table::Symbol_table): Initialize
13867         tls_commons_.
13868         (Symbol_table::add_from_object): Put TLS common symbols on
13869         tls_commons_ list.
13870         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13871         which are IN_OUTPUT_DATA.
13872         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13873         allocate_commons and do_allocate_commons declarations.  Declare
13874         do_allocate_commons_list.
13875         * gold.cc (queue_middle_tasks): Update creation of
13876         Allocate_commons_task to not pass options.
13877         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13878         (TLS_TEST_C_FLAGS): New variable.
13879         (tls_test_c_pic.o): New target.
13880         (tls_test_shared.so): Link in tls_test_c_pic.o.
13881         (tls_test_c_pic_ie.o): New target.
13882         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13883         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13884         (tls_test_c.o): New target.
13885         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13886         (tls_pic_test_LDADD): Likewise.
13887         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13888         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13889         (tls_test_c_gnu2.o): New target.
13890         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13891         tls_test_c_gnu2.o.
13892         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13893         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13894         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13895         * testsuite/tls_test.cc: Include "config.h".
13896         (t_last): Call t11_last.
13897         * testsuite/tls_test.h (t11, t11_last): Declare.
13898         * testsuite/tls_test_c.c: New file.
13899         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13900         * configure.ac: Check for OpenMP support.
13901         * configure, config.in, Makefile.in: Rebuild.
13902         * testsuite/Makefile.in: Rebuild.
13903
13904 2008-04-16  Cary Coutant  <ccoutant@google.com>
13905
13906         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13907         (Target_i386::tls_base_symbol_defined_): New field.
13908         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13909         (Target_i386::Scan::global): Likewise.
13910         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13911         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13912         (Target_x86_64::tls_base_symbol_defined_): New field.
13913         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13914         (Target_x86_64::Scan::global): Likewise.
13915
13916 2008-04-16  Cary Coutant  <ccoutant@google.com>
13917
13918         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13919         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13920         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13921         building shared libraries.
13922         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13923         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13924         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13925         * testsuite/Makefile.in: Rebuild.
13926         * testsuite/weak_undef.h: New file.
13927         * testsuite/weak_undef_file1.cc: Add extra test cases.
13928         * testsuite/weak_undef_file2.cc: Likewise.
13929         * testsuite/weak_undef_test.cc: Likewise.
13930
13931 2008-04-16  David S. Miller  <davem@davemloft.net>
13932
13933         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13934         Add issued_non_pic_error_ field.  Declare check_non_pic.
13935         (Target_sparc::Scan::check_non_pic): New function.
13936         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13937         (Target_sparc::Scan::global): Likewise.
13938
13939         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13940         * configure: Rebuild.
13941
13942         * options.h (DEFINE_enable): New macro.
13943         (new_dtags): New enable option.
13944         (initfirst, interpose, loadfltr, nodefaultlib,
13945         nodelete, nodlopen, nodump): New -z options.
13946         * layout.cc (Layout:finish_dynamic_section): If new
13947         dtags enabled, emit DT_RUNPATH.  Also, emit a
13948         DT_FLAGS_1 containing any specified -z flags.
13949
13950 2008-04-16  Ian Lance Taylor  <iant@google.com>
13951
13952         * copy-relocs.cc: New file.
13953         * copy-relocs.h: New file.
13954         * reloc.cc: Remove Copy_relocs code.
13955         * reloc.h: Likewise.
13956         * reloc-types.h (struct Reloc_types) [both versions]: Add
13957         get_reloc_addend_noerror.
13958         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13959         variants of add_global which take an addend which must be zero.
13960         * i386.cc: Include "copy-relocs.h".
13961         (class Target_i386): Change type of copy_relocs_ to variable,
13962         update initializer.
13963         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13964         Change all callers.
13965         (Target_i386::do_finalize_sections): Change handling of
13966         copy_relocs_.
13967         * sparc.cc: Include "copy-relocs.h".
13968         (class Target_sparc): Change type of copy_relocs_ to variable,
13969         update initializer.
13970         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13971         Change all callers.
13972         (Target_sparc::do_finalize_sections): Change handling of
13973         copy_relocs_.
13974         * x86_64.cc: Include "copy-relocs.h".
13975         (class Target_x86_64): Change type of copy_relocs_ to variable,
13976         update initializer.
13977         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13978         class.  Change all callers.
13979         (Target_x86_64::do_finalize_sections): Change handling of
13980         copy_relocs_.
13981         * Makefile.am (CCFILES): Add copy-relocs.cc.
13982         (HFILES): Add copy-relocs.h.
13983
13984         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13985
13986         * testsuite/script_test_4.sh: Permit leading zeroes.
13987
13988 2008-04-15  Ian Lance Taylor  <iant@google.com>
13989
13990         * script-sections.cc (Script_sections::create_segments): Use
13991         header_size_adjustment even when there is enough room for the
13992         headers.
13993         * testsuite/script_test_4.sh: New file.
13994         * testsuite/script_test_4.t: New file.
13995         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13996         (check_DATA): Add script_test_4.stdout.
13997         (MOSTLYCLEANFILES): Likewise.
13998         (script_test_4): New target.
13999         (script_test_4.stdout): New target.
14000         * testsuite/Makefile.in: Rebuild.
14001
14002         * sparc.cc: Add definitions for Output_data_plt_sparc class
14003         constants.
14004
14005 2008-04-14  David S. Miller  <davem@davemloft.net>
14006
14007         * sparc.cc: New file.
14008         * Makefile.am (TARGETSOURCES): Add sparc.cc
14009         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14010         * configure.tgt: Document targ_extra_size and
14011         targ_extra_big_endian.  Add entries for sparc-* and
14012         sparc64-*.
14013         * configure.ac: Handle targ_extra_size and
14014         targ_extra_big_endian.
14015         * Makefile.in: Rebuild.
14016         * configure: Likewise.
14017         * po/POTFILES.in: Likewise.
14018         * po/gold.pot: Likewise.
14019
14020 2008-04-14  Ian Lance Taylor  <iant@google.com>
14021
14022         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14023         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14024         in the name/type/flags to section mapping.  Don't call
14025         allocate_output_section.
14026         (Layout::choose_output_section): Change parameter from adjust_name
14027         to is_input_section.  Don't permit input sections after sections
14028         are attached to segments.  Don't call allocate_output_section.
14029         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14030         not write_enable_output_section.
14031         (Layout::make_output_section): Don't push to
14032         unattached_section_list_ nor call attach_to_segment.  Call
14033         attach_section_to_segment if sections are attached.
14034         (Layout::attach_sections_to_segments): New function.
14035         (Layout::attach_section_to_segment): New function.
14036         (Layout::attach_allocated_section_to_segment): Rename from
14037         attach_to_segment.  Remove flags parameter.
14038         (Layout::allocate_output_section): Remove function.
14039         (Layout::write_enable_output_section): Remove function.
14040         * layout.h (class Layout): Update for above changes.  Add new
14041         field sections_are_attached_.
14042         * output.h (Output_section::update_flags_for_input_section): New
14043         function.
14044         * output.cc (Output_section::add_input_section): Call
14045         update_flags_for_input_section.
14046         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14047
14048 2008-04-11  Cary Coutant  <ccoutant@google.com>
14049
14050         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14051         thought unnecessary.
14052         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14053
14054 2008-04-11  Ian Lance Taylor  <iant@google.com>
14055
14056         * output.h (class Output_section_data): Remove inline definition
14057         of set_addralign.
14058         * output.cc (Output_section_data::set_addralign): New function.
14059
14060 2008-04-11  Cary Coutant  <ccoutant@google.com>
14061
14062         Add support for TLS descriptors for i386 and x86_64.
14063         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14064         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14065         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14066         GOT_TYPE_TLS_DESC.
14067         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14068         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14069         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14070         relocations.
14071         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14072         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14073         Fix problem with initial-exec relocations.
14074         (Target_i386::Relocate::relocate_tls): Likewise.
14075         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14076         relaxation.
14077         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14078         support for section-plus-offset dynamic table entries.
14079         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14080         (Output_data_dynamic::Dynamic_entry): Add support for
14081         section-plus-offset dynamic table entries.
14082         (Output_data_dynamic::Classification): Likewise.
14083         (Output_data_dynamic::classification_): Renamed offset_.
14084         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14085         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14086         (Target_x86_64::make_plt_section): New function.
14087         (Target_x86_64::reserve_tlsdesc_entries): New function.
14088         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14089         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14090         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14091         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14092         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14093         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14094         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14095         add extra PLT entry for TLS descriptors.
14096         (Output_data_plt_x86_64::got_): New field.
14097         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14098         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14099         fields.
14100         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14101         descriptors.
14102         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14103         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14104         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14105         R_386_TLS_DESC_CALL relocations.
14106         (Target_x86_64::Scan::global): Likewise.
14107         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14108         for TLS descriptors.
14109         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14110         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14111         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14112         GD-to-IE relaxation.
14113         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14114         and TLS_DESCRIPTORS.
14115         * Makefile.in: Rebuild.
14116         * configure: Rebuild.
14117         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14118         (tls_test_shared2.so): New target.
14119         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14120         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14121         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14122         (tls_shared_gd_to_ie_test_LDADD): New variable.
14123         (tls_shared_gnu2_gd_to_ie_test): New target.
14124         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14125         New targets.
14126         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14127         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14128         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14129         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14130         (tls_shared_gnu2_test): New target.
14131         (tls_test_gnu2_shared.so): New target.
14132         (tls_shared_gnu2_test_SOURCES): New variable.
14133         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14134         (tls_shared_gnu2_test_LDFLAGS): New variable.
14135         (tls_shared_gnu2_test_LDADD): New variable.
14136         * testsuite/Makefile.in: Rebuild.
14137         * testsuite/Makefile.
14138
14139 2008-04-11  Ian Lance Taylor  <iant@google.com>
14140
14141         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14142         justsyms.t.
14143         * testsuite/Makefile.in: Rebuild.
14144
14145         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14146         long.
14147         * testsuite/script_test_2.cc (main): Adjust test.
14148
14149 2008-04-11  David S. Miller  <davem@davemloft.net>
14150             Ian Lance Taylor  <iant@google.com>
14151
14152         * options.h (General_options): Add entries for '-Y' and
14153         '-relax'.
14154         * options.cc (General_options:finalize): If -Y was used, add those
14155         entries to the library path instead of the default "/lib" and
14156         "/usr/lib".
14157
14158 2008-04-11  David S. Miller  <davem@davemloft.net>
14159
14160         * testsuite/justsyms.t: Start at 0x100.
14161         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14162         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14163         long.
14164         * testsuite/script_test_2.cc: Adjust string and section length
14165         checks.
14166
14167 2008-04-09  Ian Lance Taylor  <iant@google.com>
14168
14169         PR gold/5996
14170         * script-sections.cc (Sections_element::allocate_to_segment): Add
14171         orphan parameter.
14172         (Output_section_definition::allocate_to_segment): Likewise.
14173         (Orphan_output_section::allocate_to_segment): Likewise.
14174         (Script_sections::attach_sections_using_phdrs_clause): Don't
14175         propagate non-PT_LOAD segments to orphan sections.
14176         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14177         readelf rather than objdump.
14178         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14179         .interp section and PT_INTERP segment are the same size.
14180         * testsuite/Makefile.in: Rebuild.
14181
14182         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14183         aliases for symbols defined in the same object.
14184         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14185         (weak_alias_test_SOURCES): New variable.
14186         (weak_alias_test_DEPENDENCIES): New variable.
14187         (weak_alias_test_LDFLAGS): New variable.
14188         (weak_alias_test_LDADD): New variable.
14189         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14190         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14191         (weak_alias_test_3.o): New target.
14192         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14193         * testsuite/weak_alias_test_main.cc: New file.
14194         * testsuite/weak_alias_test_1.cc: New file.
14195         * testsuite/weak_alias_test_2.cc: New file.
14196         * testsuite/weak_alias_test_3.cc: New file.
14197
14198 2008-04-08  Ian Lance Taylor  <iant@google.com>
14199
14200         * options.h (class General_options): Add --noinhibit-exec option.
14201         * main.cc (main): Check --noinhibit-exec.
14202
14203         * options.h (class General_options): Define --wrap as a special
14204         option.  Add wrap_symbols_ field.
14205         (General_options::any_wrap_symbols): New function.
14206         (General_options::is_wrap_symbol): New function.
14207         * options.cc (General_options::parse_wrap): New function.
14208         (General_options::General_options): Initialize wrap_symbols_.
14209         * symtab.cc (Symbol_table::wrap_symbol): New function.
14210         (Symbol_table::add_from_object): Handle --wrap.
14211         * symtab.h (class Symbol_table): Declare wrap_symbol.
14212         * target.h (Target::wrap_char): New function.
14213         (Target::Target_info): Add wrap_char field.
14214         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14215         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14216         * testsuite/testfile.cc (Target_test::test_target_info):
14217         Likewise.
14218
14219         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14220         there is one.
14221
14222         * layout.h (class Layout): Add added_eh_frame_data_ field.
14223         * layout.cc (Layout::Layout): Initialize new field.
14224         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14225         output section until we find a section we merged successfully.
14226         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14227         that the size be non-zero.
14228
14229         * merge.cc (Object_merge_map::get_output_offset): Remove inline
14230         qualifier.
14231
14232 2008-04-08  Craig Silverstein  <csilvers@google.com>
14233
14234         * configure.ac: Export new conditional variable HAVE_ZLIB.
14235         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
14236         on HAVE_ZLIB.
14237         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
14238         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14239
14240 2008-04-07  Ian Lance Taylor  <iant@google.com>
14241
14242         * version.cc (version_string): Set to "1.5".
14243
14244         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
14245         Add issued_non_pic_error_ field.  Declare check_non_pic.
14246         (Target_x86_64::Scan::check_non_pic): New function.
14247         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
14248         (Target_x86_64::Scan::global): Likewise.
14249
14250         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
14251         addend parameter.  Change caller.  Handle merge sections.
14252         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14253         Address to Addend.  Don't add in the result of
14254         local_section_offset, pass down the addend and use the returned
14255         value.
14256         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14257         Update declarations of local_section_offset and symbol_value.
14258         * testsuite/two_file_test_1.cc (t18): New function.
14259         * testsuite/two_file_test_2.cc (f18): New function.
14260         * testsuite/two_file_test_main.cc (main): Call t18.
14261         * testsuite/two_file_test.h (t18, f18): Declare.
14262
14263         * configure.ac: Don't test for objdump, c++filt, or readelf.
14264         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14265         conditionals.
14266         (TEST_READELF): New variable.
14267         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14268         (check_PROGRAMS): Add two_file_strip_test.
14269         (two_file_strip_test): New target.
14270         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14271         (two_file_same_shared_strip_test_SOURCES): New variable.
14272         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14273         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14274         (two_file_same_shared_strip_test_LDADD): New variable.
14275         (two_file_shared_strip.so): New target.
14276         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14277         (ver_test_5.syms, ver_test_7.syms): Likewise.
14278         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14279         (strip_test_3.stdout): Use TEST_OBJDUMP.
14280         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14281
14282 2008-04-04  Cary Coutant  <ccoutant@google.com>
14283
14284         * symtab.h (Symbol::is_weak_undefined): New function.
14285         (Symbol::is_strong_undefined): New function.
14286         (Symbol::is_absolute): New function.
14287         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14288         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14289         absolute symbols.
14290         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14291         (weak_undef_test): New target.
14292         * testsuite/Makefile.in: Rebuild.
14293         * testsuite/weak_undef_file1.cc: New file.
14294         * testsuite/weak_undef_file2.cc: New file.
14295         * testsuite/weak_undef_test.cc: New file.
14296
14297 2008-04-03  Craig Silverstein  <csilvers@google.com>
14298
14299         * compressed_output.h (class Output_compressed_section): Use
14300         unsigned buffer.
14301         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14302         add zlib header.
14303         (zlib_compressed_suffix): Removed.
14304         (Output_compressed_section::set_final_data_size): Use unsigned
14305         buffers.
14306         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14307         Fix linker invocation.
14308         (flagstest_o_specialfile_and_compress_debug_sections):
14309         Likewise.
14310         * testsuite/Makefile.in: Regenerated.
14311
14312 2008-04-02  David S. Miller  <davem@davemloft.net>
14313
14314         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14315         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14316
14317 2008-04-02  Craig Silverstein  <csilvers@google.com>
14318
14319         * TODO: New file.
14320
14321 2008-04-02  Ian Lance Taylor  <iant@google.com>
14322
14323         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14324         parameters.  Update for new key type to views_.  Change all
14325         callers.
14326         (File_read::read): Adjust for byteshift in returned view.
14327         (File_read::add_view): New function, broken out of
14328         find_and_make_view.
14329         (File_read::make_view): New function, broken out of
14330         find_and_make_view.
14331         (File_read::find_or_make_view): Add offset and aligned
14332         parameters.  Rewrite accordingly.  Change all callers.
14333         (File_read::get_view): Add offset and aligned parameters.  Adjust
14334         for byteshift in return value.
14335         (File_read::get_lasting_view): Likewise.
14336         * fileread.h (class File_read): Update declarations.
14337         (class File_read::View): Add byteshift_ field.  Add byteshift to
14338         constructor.  Add byteshift method.
14339         * archive.h (Archive::clear_uncached_views): New function.
14340         (Archive::get_view): Add aligned parameter.  Change all callers.
14341         * object.h (Object::get_view): Add aligned parameter.  Change all
14342         callers.
14343         (Object::get_lasting_view): Likewise.
14344
14345         * fileread.cc (File_read::release): Don't call clear_views if
14346         there are multiple objects.
14347         * fileread.h (File_read::clear_uncached_views): New function.
14348         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14349         on the archive.
14350
14351 2008-03-31  Cary Coutant  <ccoutant@google.com>
14352
14353         Add thin archive support.
14354         * archive.cc (Archive::armagt): New const.
14355         (Archive::setup): Remove task parameter and calls to unlock.
14356         (Archive::unlock_nested_archives): New function.
14357         (Archive::read_header): Add nested_off parameter. Change
14358         all callers.
14359         (Archive::interpret_header): Likewise.
14360         (Archive::include_all_members): Change to handle thin
14361         archives.
14362         (Archive::include_member): Likewise.
14363         * archive.h (Archive::Archive): Add new parameters and
14364         initializers.
14365         (Archive::armagt): New const.
14366         (Archive::setup): Remove task parameter.
14367         (Archive::unlock_nested_archives): New function.
14368         (Archive::read_header): Add nested_off parameter.
14369         (Archive::interpret_header): Likewise.
14370         (Archive::Nested_archive_table): New typedef.
14371         (Archive::is_thin_archive_): New field.
14372         (Archive::nested_archives_): New field.
14373         (Archive::options_): New field.
14374         (Archive::dirpath_): New field.
14375         (Archive::task_): New field.
14376         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14377         for thin archives.  Pass additional parameters to
14378         Archive::Archive.  Unlock the archive file after calling
14379         Archive::setup.
14380
14381 2008-03-29  Ian Lance Taylor  <iant@google.com>
14382
14383         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14384         version symbol to be local.
14385         * testsuite/ver_test_4.sh: New file.
14386         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14387         (check_DATA): Add ver_test_4.syms.
14388         (ver_test_4.syms): New target.
14389         * testsuite/Makefile.in: Rebuild.
14390
14391         * output.cc
14392         (Output_section::Input_section_sort_entry::has_priority): New
14393         function.
14394         (Output_section::Input_section_sort_entry::match_file_name): New
14395         function.
14396         (Output_section::Input_section_sort_entry::match_section_name):
14397         Remove.
14398         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14399         Remove.
14400         (Output_section::Input_section_sort_entry::match_section_file):
14401         Remove.
14402         (Output_section::Input_section_sort_compare::operator()): Rewrite
14403         using new Input_section_sort_entry functions.  Sort crtbegin and
14404         crtend first.  Sort sections with no priority before sections with
14405         a priority.
14406         * testsuite/initpri1.c (d3): Check j != 4.
14407         (cd5): New constructor/destructor function.
14408         (main): Check j != 2.
14409
14410         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14411         new symbol when resolving, don't call set_is_default.
14412         * testsuite/ver_test_7.cc: New file.
14413         * testsuite/ver_test_7.sh: New file.
14414         * testsuite/Makefile.am (ver_test_7.so): New target.
14415         (ver_test_7.o): New target.
14416         (check_SCRIPTS): Add ver_test_7.sh.
14417         (check_DATA): Add ver_test_7.syms.
14418         (ver_test_7.syms): New target.
14419
14420 2008-03-28  Ian Lance Taylor  <iant@google.com>
14421
14422         * layout.cc (Layout::layout): If we see an input section with a
14423         name that needs sorting, set the must_sort flag for the output
14424         section.
14425         (Layout::make_output_section): If the name of the output section
14426         indicates that it might require sorting, set the may_sort flag.
14427         * output.h (Output_section::may_sort_attached_input_sections): New
14428         function.
14429         (Output_section::set_may_sort_attached_input_sections): New
14430         function.
14431         (Output_section::must_sort_attached_input_sections): New
14432         function.
14433         (Output_section::set_must_sort_attached_input_sections): New
14434         function.
14435         (class Output_section): Declare Input_section_sort_entry.  Define
14436         Input_section_sort_compare.  Declare
14437         sort_attached_input_sections.  Add new fields:
14438         may_sort_attached_input_sections_,
14439         must_sort_attached_input_sections_,
14440         attached_input_sections_are_sorted_.
14441         * output.cc (Output_section::Output_section): Initialize new
14442         fields.
14443         (Output_section::add_input_section): Add an entry to
14444         input_sections_ if may_sort or must_sort are true.
14445         (Output_section::set_final_data_size): Call
14446         sort_attached_input_sections if necessary.
14447         (Output_section::Input_section_sort_entry): Define new class.
14448         (Output_section::Input_section_sort_compare::operator()): New
14449         function.
14450         (Output_section::sort_attached_input_sections): New function.
14451         * configure.ac: Check whether the compiler supports constructor
14452         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14453         * testsuite/initpri1.c: New file.
14454         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14455         CONSTRUCTOR_PRIORITY.
14456         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14457         (initpri1_LDFLAGS): New variable.
14458         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14459
14460 2008-03-27  Ian Lance Taylor  <iant@google.com>
14461
14462         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14463         * testsuite/common_test_1.c: New file.
14464         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14465         (common_test_1_SOURCES): New variable.
14466         (common_test_1_DEPENDENCIES): New variable.
14467         (common_test_1_LDFLAGS): New variable.
14468
14469         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14470         and commons_ correctly when NAME/VERSION does not override
14471         NAME/NULL.
14472         * testsuite/ver_test_6.c: New file.
14473         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14474         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14475         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14476
14477 2008-03-26  Ian Lance Taylor  <iant@google.com>
14478
14479         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14480         of an undefined symbol from a version script.
14481         * testsuite/Makefile.am (ver_test_5.so): New target.
14482         (ver_test_5.o): New target.
14483         (check_SCRIPTS): Add ver_test_5.sh.
14484         (check_DATA): Add ver_test_5.syms.
14485         (ver_test_5.syms): New target.
14486         * testsuite/ver_test_5.cc: New file.
14487         * testsuite/ver_test_5.script: New file.
14488         * testsuite/ver_test_5.sh: New file.
14489         * Makefile.in, testsuite/Makefile.in: Rebuild.
14490
14491         PR gold/5986
14492         Fix problems building gold with gcc 4.3.0.
14493         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14494         (gold_error_at_location, gold_warning_at_location): Use it.
14495         * configure.ac: Check whether we can compile and use a template
14496         function with a printf attribute.
14497         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14498         when jumping over bytes.
14499         * object.cc: Instantiate Object::read_section_data.
14500         * debug.h: Include <cstring>
14501         * dwarf_reader.cc: Include <algorithm>
14502         * main.cc: Include <cstring>.
14503         * options.cc: Include <cstring>.
14504         * output.cc: Include <cstring>.
14505         * script.cc: Include <cstring>.
14506         * script.h: Include <string>.
14507         * symtab.cc: Include <cstring> and <algorithm>.
14508         * target-select.cc: Include <cstring>.
14509         * version.cc: Include <string>.
14510         * testsuite/testmain.cc: Include <cstdlib>.
14511         * configure, config.in: Rebuild.
14512
14513 2008-03-25  Ian Lance Taylor  <iant@google.com>
14514
14515         * options.cc: Include "../bfd/bfdver.h".
14516         (options::help): Print bug reporting address.
14517
14518         * version.cc (print_version): Adjust output for current value of
14519         BFD_VERSION_STRING.
14520
14521         * NEWS: New file.
14522
14523         * options.cc (options::help): Print list of supported targets.
14524         * target-select.h: Include <vector>.
14525         (class Target_selector): Make machine_, size_, and is_big_endian_
14526         fields const.  Add bfd_name_ and instantiated_target_ fields.
14527         (Target_selector::Target_selector): Add bfd_name parameter.
14528         (Target_selector::recognize): Make non-virtual, call
14529         do_recognize.
14530         (Target_selector::recognize_by_name): Make non-virtual, call
14531         do_recognize_by_name.
14532         (Target_selector::supported_names): New function.
14533         (Target_selector::bfd_name): New function.
14534         (Target_selector::do_instantiate_target): New pure virtual
14535         function.
14536         (Target_selector::do_recognize): New virtual function.
14537         (Target_selector::do_recognize_by_name): New virtual function.
14538         (Target_selector::instantiate_target): New private function.
14539         (supported_target_names): Declare.
14540         * target-select.cc (Target_selector::Target_selector): Update for
14541         new parameter and fields.
14542         (select_target_by_name): Check that the name matches before
14543         calling recognize_by_name.
14544         (supported_target_names): New function.
14545         * i386.cc (class Target_selector_i386): Update Target_selector
14546         constructor call.  Remove recognize and recognize_by_name.  Add
14547         do_instantiate_target.
14548         * x86_64.cc (class Target_selector_x86_64): Likewise.
14549         * testsuite/testfile.cc (class Target_selector_test): Update for
14550         changes to Target_selector.
14551
14552         * README: Rewrite, with some notes on unsupported features.
14553
14554 2008-03-24  Cary Coutant  <ccoutant@google.com>
14555
14556         * i386.cc (Target_i386::Got_type): New enum declaration.
14557         (Target_i386::Scan::local): Updated callers of Output_data_got
14558         member functions.
14559         (Target_i386::Scan::global): Likewise.
14560         (Target_i386::Relocate::relocate): Likewise.
14561         (Target_i386::Relocate::relocate_tls): Likewise.
14562         * object.h (Got_offset_list): New class.
14563         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14564         (Sized_relobj::local_got_offset): Likewise.
14565         (Sized_relobj::set_local_got_offset): Likewise.
14566         (Sized_relobj::local_has_tls_got_offset): Removed.
14567         (Sized_relobj::local_tls_got_offset): Removed.
14568         (Sized_relobj::set_local_tls_got_offset): Removed.
14569         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14570         * output.cc (Output_data_got::add_global): Added got_type parameter.
14571         (Output_data_got::add_global_with_rel): Likewise.
14572         (Output_data_got::add_global_with_rela): Likewise.
14573         (Output_data_got::add_global_pair_with_rel): New function.
14574         (Output_data_got::add_global_pair_with_rela): New function.
14575         (Output_data_got::add_local): Added got_type parameter.
14576         (Output_data_got::add_local_with_rel): Likewise.
14577         (Output_data_got::add_local_with_rela): Likewise.
14578         (Output_data_got::add_local_pair_with_rel): New function.
14579         (Output_data_got::add_local_pair_with_rela): New function.
14580         (Output_data_got::add_global_tls): Removed.
14581         (Output_data_got::add_global_tls_with_rel): Removed.
14582         (Output_data_got::add_global_tls_with_rela): Removed.
14583         (Output_data_got::add_local_tls): Removed.
14584         (Output_data_got::add_local_tls_with_rel): Removed.
14585         (Output_data_got::add_local_tls_with_rela): Removed.
14586         * output.h (Output_data_got::add_global): Added got_type parameter.
14587         (Output_data_got::add_global_with_rel): Likewise.
14588         (Output_data_got::add_global_with_rela): Likewise.
14589         (Output_data_got::add_global_pair_with_rel): New function.
14590         (Output_data_got::add_global_pair_with_rela): New function.
14591         (Output_data_got::add_local): Added got_type parameter.
14592         (Output_data_got::add_local_with_rel): Likewise.
14593         (Output_data_got::add_local_with_rela): Likewise.
14594         (Output_data_got::add_local_pair_with_rel): New function.
14595         (Output_data_got::add_local_pair_with_rela): New function.
14596         (Output_data_got::add_global_tls): Removed.
14597         (Output_data_got::add_global_tls_with_rel): Removed.
14598         (Output_data_got::add_global_tls_with_rela): Removed.
14599         (Output_data_got::add_local_tls): Removed.
14600         (Output_data_got::add_local_tls_with_rel): Removed.
14601         (Output_data_got::add_local_tls_with_rela): Removed.
14602         * resolve.cc (Symbol::override_base_with_special): Removed
14603         reference to has_got_offset_ field.
14604         * symtab.cc (Symbol::init_fields): Replaced initialization
14605         of got_offset_ with got_offsets_.  Removed initialization
14606         of has_got_offset_
14607         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14608         (Symbol::got_offset): Likewise.
14609         (Symbol::set_got_offset): Likewise.
14610         (Symbol::has_tls_got_offset): Removed.
14611         (Symbol::tls_got_offset): Removed.
14612         (Symbol::set_tls_got_offset): Removed.
14613         (Symbol::got_offset_): Removed.
14614         (Symbol::tls_mod_got_offset_): Removed.
14615         (Symbol::tls_pair_got_offset_): Removed.
14616         (Symbol::got_offsets_): New field.
14617         (Symbol::has_got_offset): Removed.
14618         (Symbol::has_tls_mod_got_offset): Removed.
14619         (Symbol::has_tls_pair_got_offset): Removed.
14620         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14621         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14622         member functions.
14623         (Target_x86_64::Scan::global): Likewise.
14624         (Target_x86_64::Relocate::relocate): Likewise.
14625         (Target_x86_64::Relocate::relocate_tls): Likewise.
14626
14627 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14628
14629         * yyscript.y: Fix spelling error in comment.
14630
14631 2008-03-24  Ian Lance Taylor  <iant@google.com>
14632
14633         * options.h (class General_options): Define build_id option.
14634         * layout.h (class Layout): Declare write_build_id, create_note,
14635         create_build_id.  Add build_id_note_ member.
14636         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14637         "libiberty.h", "md5.h", "sha1.h".
14638         (Layout::Layout): Initialize eh_frame_data_,
14639         eh_frame_hdr_section_, and build_id_note_.
14640         (Layout::finalize): Call create_build_id.
14641         (Layout::create_note): New function, broken out of
14642         Layout::create_gold_note.
14643         (Layout::create_gold_note): Call create_note.
14644         (Layout::create_build_id): New function.
14645         (Layout::write_build_id): New function.
14646         (Close_task_runner::run): Call write_build_id.
14647
14648         * x86_64.cc: Correct license to GPLv3.
14649
14650 2008-03-23  Ian Lance Taylor  <iant@google.com>
14651
14652         * options.cc: Include "demangle.h".
14653         (parse_optional_string): New function.
14654         (parse_long_option): Handle takes_optional_argument.
14655         (parse_short_option): Update dash_z initializer.  Handle
14656         takes_optional_argument.
14657         (General_options::General_options): Initialize do_demangle_.
14658         (General_options::finalize): Set do_demangle_.  Handle demangling
14659         style.
14660         * options.h (parse_optional_string): Declare.
14661         (struct One_option): Add optional_arg field.  Update constructor.
14662         Update call constructor calls.  Add takes_optional_argument
14663         function.
14664         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14665         (DEFINE_optional_string): Define.
14666         (General_options::demangle): Change from DEFINE_bool to
14667         DEFINE_optional_string.
14668         (General_options::no_demangle): New function.
14669         (General_options::do_demangle): New function.
14670         (General_options::set_do_demangle): New function.
14671         (General_options::execstack_status_): Move definition to end of
14672         class definition.
14673         (General_options::static_): Likewise.
14674         (General_options::do_demangle_): New field.
14675         * object.cc (big_endian>::get_symbol_location_info): Call
14676         Options::do_demangle, not Options::demangle.
14677         * symtab.cc (demangle): Likewise.
14678
14679 2008-03-22  Ian Lance Taylor  <iant@google.com>
14680
14681         * gold.h: Include <cstddef> and <sys/types.h>
14682         * options.h: Include <cstring>.
14683
14684 2008-03-21  Ian Lance Taylor  <iant@google.com>
14685
14686         * Added source code to GNU binutils.
14687 \f
14688 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14689
14690 Copying and distribution of this file, with or without modification,
14691 are permitted in any medium without royalty provided the copyright
14692 notice and this notice are preserved.
14693
14694 Local Variables:
14695 mode: change-log
14696 left-margin: 8
14697 fill-column: 74
14698 version-control: never
14699 End: