Fix mingw gold build with plugins enabled
[external/binutils.git] / gold / ChangeLog
1 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
2
3         Fix mingw gold build with plugins enabled
4         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
5         * configure.ac: Export DLOPEN_LIBS and add headers check.
6         * plugin.cc: Handle non-dlfcn case.
7         * Makefile.in: Regenerate.
8         * config.in: Regenerate.
9         * configure: Regenerate.
10         * testsuite/Makefile.in: Regenerate.
11
12 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
13
14         * output.h (sort_attached_input_sections): Change to be public.
15         * script-sections.cc
16         (Output_section_definition::set_section_addresses): Sort
17         attached input sections according to section order before linker
18         script assigns section addresses.
19         (Orphan_output_section::set_section_addresses): Sort
20         attached input sections according to section order before linker
21         script assigns section addresses.
22         * Makefile.am (final_layout.sh): Use a simple linker script to
23         check if section ordering still works.
24         * Makefile.in: Regenerate.
25
26 2013-01-09  Ben Cheng  <bccheng@google.com>
27
28         * arm.cc (Target_arm::attributes_accept_div): New function.
29         (Target_arm::attributes_forbid_div): New function.
30         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
31         attribute using the same new functions as what bfd/elf32_arm.c
32         does.
33
34 2013-01-07  Cary Coutant  <ccoutant@google.com>
35
36         PR gold/14993
37         * output.cc (Output_section::add_input_section): For incremental
38         updates, don't track input sections that are allocated from patch
39         space.
40
41 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
42             Ian Lance Taylor  <iant@google.com>
43
44         PR gold/14897
45         * configure.ac (--enable-ld): Removed.
46         (install_as_default): Set to yes only for --enable-gold=default
47         or --disable-ld.
48         * configure: Regenerated.
49
50 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
51
52         * options.h (General_options): Add -fuse-ld= for GCC linker
53         option compatibility.
54
55 2013-01-04  Cary Coutant  <ccoutant@google.com>
56
57         * configure.ac: Fix typo restoring CXXFLAGS.
58         * configure: Regenerate.
59
60 2013-01-04  Cary Coutant  <ccoutant@google.com>
61
62         * testsuite/Makefile.am (CXXLINK_S): New macro.
63         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
64         * testsuite/Makefile.in: Regenerate.
65
66 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
67
68         * version.cc (print_version): Update copyright year to 2013.
69
70 2012-12-20  Ian Lance Taylor  <iant@google.com>
71
72         * layout.cc (Layout::special_ordering_of_input_section): New
73         function.
74         (Layout::layout): If input section requires special ordering, must
75         sort input sections.
76         (Layout::make_output_section): May sort .text input sections.
77         (Layout::is_section_name_prefix_grouped): Remove.
78         * layout.h (class Layout): Declare
79         special_ordering_of_input_section.  Don't declare
80         is_section_name_prefix_grouped.
81         * output.cc (Output_section::add_input_section): Revert last
82         change.
83         (Output_section::Input_section_sort::match_file_name): Don't crash
84         if called on output section data.
85         (Output_section::Input_section_sort_compare): Sort based on
86         special ordering.
87         (Output_section::Input_section_sort_section_order_index_compare):
88         Revert last patch.
89         (Output_section::sort_attached_input_sections): Likewise.
90
91 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
92
93         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
94         * layout.h (Layout::is_section_name_prefix_grouped): New function.
95         * output.cc (Output_section::add_input_section): Check if section
96         name contains special prefix.  Keep input sections to sort such
97         sections.
98         (Output_section::Input_section_sort_section_order_index_compare
99          ::operator()): Group sections according to prefixes.
100         (Output_section::sort_attached_input_sections): Add condition to
101         Input_section_entry constructor call.
102         * testsuite/Makefile.am (text_section_grouping): New test.
103         * testsuite/Makefile.in: Regenerate.
104         * testsuite/text_section_grouping.cc: New file.
105         * testsuite/text_section_grouping.sh: New file.
106
107 2012-12-17  Nick Clifton  <nickc@redhat.com>
108
109         * Makefile.am: Add copyright notice.
110         * NEWS: Likewise.
111         * README: Likewise.
112         * configure.ac: Likewise.
113         * ftruncate.c: Likewise.
114         * Makefile.in: Regenerate.
115
116 2012-12-14  Cary Coutant  <ccoutant@google.com>
117
118         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
119         --no-as-needed flag.
120         (exception_separate_shared_12_test): Likewise.
121         (incremental_copy_test): Likewise.
122         * testsuite/Makefile.in: Regenerate.
123
124 2012-12-14  Cary Coutant  <ccoutant@google.com>
125
126         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
127         (Dwp_output_file::Dwp_index::enter_set): Add assert.
128
129 2012-12-12  Alan Modra  <amodra@gmail.com>
130
131         * powerpc.cc (class Track_tls): New.
132         (class Relocate, class Scan): Inherit Track_tls.
133         (Target_powerpc::Scan::local, global): Track tls optimization
134         and avoid creating plt entry for __tls_get_addr if all uses
135         are optimized away.
136         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
137
138 2012-12-12  Alan Modra  <amodra@gmail.com>
139
140         * options.h (General_options): Add --toc-sort/--no-toc-sort.
141         Replace no_toc_optimize with toc_optimize.
142         * output.h (Output_section::input_sections): Provide non-const variant.
143         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
144         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
145         accessors.
146         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
147         (class Sort_toc_sections): New.
148         (Target_powerpc::do_finalize_sections): Sort toc sections.
149         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
150
151 2012-12-10  Roland McGrath  <mcgrathr@google.com>
152
153         * testsuite/binary_unittest.cc (read_all): New function.
154         (Sized_binary_test): Use it instead of ::read.
155         * fileread.cc (do_read): Don't assume pread always reads the whole
156         amount in a single call.
157
158 2012-12-10  Alan Modra  <amodra@gmail.com>
159
160         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
161         Set EM_PPC64 or EM_PPC here.
162         (Target_selector_powerpc::do_recognize): Delete.
163
164 2012-12-10  Alan Modra  <amodra@gmail.com>
165
166         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
167         stub_table_.
168         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
169
170 2012-12-07  Roland McGrath  <mcgrathr@google.com>
171
172         * testsuite/binary_unittest.cc (Sized_binary_test):
173         Use open_descriptor rather than ::open.
174
175 2012-12-07  Alan Modra  <amodra@gmail.com>
176
177         * powerpc.cc (Stub_table::do_write): Delete redundant Address
178         typedef and invalid_address constant.
179         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
180         instantiate constants.
181
182 2012-12-06  Roland McGrath  <mcgrathr@google.com>
183
184         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
185         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
186         * aclocal.m4: Regenerate.
187         * configure: Regenerate.
188         * Makefile.in: Regenerate.
189         * testsuite/Makefile.in: Regenerate.
190
191 2012-12-07  Alan Modra  <amodra@gmail.com>
192
193         * options.h (General_options): Add no_toc_optimize.
194         * powerpc.cc (ok_lo_toc_insn): New function.
195         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
196
197 2012-12-06  Alan Modra  <amodra@gmail.com>
198
199         * options.h (General_options): Add plt_align, plt_static_chain,
200         plt_thread_safe.  Update stub_group_size help text.
201         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
202         for new plt_thread_safe_ var.
203         (use_plt_offset): Correct comments.
204         (Target_powerpc::do_relax): Look for thread creation symbols to
205         determine default plt_thread_safe value.  Clear plt call stubs
206         as well as branch stubs each iteration.
207         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
208         insn constants.
209         (l, hi, ha, write_insn): Move earlier.
210         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
211         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
212         plt stubs too.
213         (Stub_table::update_size): Adjust.
214         (Stub_table::prev_size, set_prev_size): Delete.
215         (Stub_table::stub_align): Let --plt-align affect result.
216         (Stub_table::plt_call_size): Calculate sizes for various stubs.
217         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
218         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
219         (Stub_table::do_write): Support more stub variants.
220
221 2012-12-04  Alan Modra  <amodra@gmail.com>
222
223         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
224         (Target_powerpc::do_define_standard_symbols): New function.
225
226 2012-12-03  Alan Modra  <amodra@gmail.com>
227
228         * output.h: Formatting, whitespace.
229
230 2012-12-03  Alan Modra  <amodra@gmail.com>
231
232         * layout.h (Layout::get_executable_sections): Declare.
233         * layout.cc (Layout::get_executable_sections): New function.
234         * arm.cc (Target_arm::group_sections): Use it.
235         (Arm_output_section::group_sections): Delete now redundant test.
236         * output.cc (Output_reloc::Output_reloc): Add is_relative.
237         param to handle relative relocs.
238         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
239         (Output_data_reloc::add_absolute): Adjust.
240         (Output_data_reloc::add_relative): New function.
241         (Output_data::reset_data_size): New function.
242         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
243         (Output_section::set_addralign): New function.
244         (Output_section::checkpoint_set_addralign): New function.
245         (Output_section::clear_section_offsets_need_adjustment): New function.
246         (Output_section::input_sections): Make public.
247         * powerpc.cc (class Output_data_brlt_powerpc): New.
248         (class Stub_table, class Stub_control): New.
249         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
250         stub_table_, set_stub_table, stub_table): New vectors and accessor
251         functions.
252         (Target_powerpc::do_may_relax, do_relax, push_branch,
253         new_stub_table, stub_tables, brlt_section, group_sections,
254         add_branch_lookup_table, find_branch_lookup_table,
255         write_branch_lookup_table, make_brlt_section): New functions.
256         (Target_powerpc::struct Sort_sections, class Branch_info): New.
257         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
258         branch_info_): New vars.
259         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
260         make call stubs here.
261         (Output_data_glink): Remove all call stub handling from this class.
262         (Target_powerpc::Scan::local, global): Save interesting branch
263         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
264         (Target_powerpc::do_finalize_sections): Only make reg save/restore
265         functions on final link.
266         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
267         Handle long branch destinations too.
268         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
269         do_plt_address_for_local): Adjust lookup of plt call stubs.
270
271 2012-11-30  Alan Modra  <amodra@gmail.com>
272
273         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
274         relocs against protected symbols when building 32-bit shared libs.
275
276 2012-11-30  Alan Modra  <amodra@gmail.com>
277
278         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
279         param.  Call got_section() to make .got.  Update all callers
280         and their callers and so on.
281
282 2012-11-30  Alan Modra  <amodra@gmail.com>
283
284         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
285         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
286         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
287         value if it already exists.
288
289 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
290
291         PR gold/14858
292         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
293
294 2012-11-14  Roland McGrath  <mcgrathr@google.com>
295
296         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
297         than bfc instruction for data sandboxing.
298
299 2012-11-08  Alan Modra  <amodra@gmail.com>
300
301         * po/POTFILES.in: Regenerate.
302
303 2012-11-05  Alan Modra  <amodra@gmail.com>
304
305         * configure.ac: Apply 2012-09-10 change to config.in here.
306         * configure: Regenerate.
307
308 2012-11-05  Alan Modra  <amodra@gmail.com>
309
310         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
311         (struct Opd_ent): Use "Address" rather than "Offset".
312         (Output_data_got_powerpc::got_base_offset): Return Valtype.
313         (Target_powerpc::got_section): Make public.
314         (Target_powerpc::scan_relocs): Move code setting symbols..
315         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
316         Create _SDA_BASE_ only when referenced.
317
318 2012-11-02  Roland McGrath  <mcgrathr@google.com>
319
320         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
321         from last change.
322
323 2012-11-01  Roland McGrath  <mcgrathr@google.com>
324
325         * target.h (Sized_target::relocate_relocs): Use Elf_Off
326         for offset_in_output_section parameter.
327         (Sized_target::relocate_special_relocatable): Likewise.
328         * arm.cc (Target_arm::relocate_relocs): Likewise.
329         (Target_arm::relocate_special_relocatable): Likewise.
330         * i386.cc (Target_i386::relocate_relocs): Likewise.
331         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
332         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
333         * target-reloc.h (relocate_relocs): Likewise.
334         * testsuite/testfile.cc (Target_test): Likewise.
335         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
336         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
337
338         * system.h: Move inclusion of <clocale> to after <libintl.h> in
339         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
340
341         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
342         parameter, which is unused in the [!F_SETFD] case.
343
344         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
345         SYMNDX to off_t before comparing it to this->data_size().
346         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
347         * incremental.cc (Output_section_incremental_inputs::do_write):
348         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
349
350         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
351
352 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
353
354         * gold.cc (Target_arm::do_adjust_elf_header): Add the
355         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
356         in EABI_VER5.
357
358 2012-10-29  Cary Coutant  <ccoutant@google.com>
359
360         * dwp.cc (usage): Add file and exit status parameters;
361         add --help and --version options.
362         (print_version): New function.
363         (main): Add --help and --version options.
364
365 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
366
367         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
368         final_layout_sequence.txt.
369         * testsuite/Makefile.in: Regenerated.
370
371 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
372
373         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
374         COMPILE generated by automake.
375         (LINK1): Likewise.
376         (CXXCOMPILE1): Likewise.
377         (CXXLINK1): Likewise.
378         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
379         (LINK): Likewise.
380         (CXXCOMPILE): Likewise.
381         (CXXLINK): Likewise.
382         * testsuite/Makefile.in: Regenerated.
383
384 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
385
386         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
387         on bad fwrite return.
388
389 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
390
391         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
392         on val.
393
394 2012-10-23  Cary Coutant  <ccoutant@google.com>
395
396         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
397         * testsuite/Makefile.in: Regenerate.
398         * testsuite/dwp_test.h: New source file.
399         * testsuite/dwp_test_1.cc: New source file.
400         * testsuite/dwp_test_1.s: New source file.
401         * testsuite/dwp_test_1.sh: New source file.
402         * testsuite/dwp_test_1b.cc: New source file.
403         * testsuite/dwp_test_1b.s: New source file.
404         * testsuite/dwp_test_2.cc: New source file.
405         * testsuite/dwp_test_2.s: New source file.
406         * testsuite/dwp_test_2.sh: New source file.
407         * testsuite/dwp_test_main.cc: New source file.
408         * testsuite/dwp_test_main.s: New source file.
409
410 2012-10-23  Cary Coutant  <ccoutant@google.com>
411
412         * dwp.h: New header file.
413         * dwp.cc: New source file.
414         * gold.h: Move shared declarations to system.h.
415         * system.h: New header file.
416         * Makefile.am: Add dwp.
417         * Makefile.in: Regenerate.
418
419 2012-10-23  Cary Coutant  <ccoutant@google.com>
420
421         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
422         Dwarf_info_reader::read_from_pointer.
423         (Dwarf_pubnames_table::read_header): Likewise.
424         (Dwarf_pubnames_table::next_name): Likewise.
425         (Dwarf_die::read_attributes): Likewise.
426         (Dwarf_die::skip_attributes): Likewise.
427         (Dwarf_info_reader::read_from_pointer): New function template.
428         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
429         (Dwarf_pubnames_table): Likewise.
430         (Dwarf_info_reader::read_from_pointer): New function template.
431         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
432         Dwarf_pubnames_table ctor.
433
434 2012-10-23  Cary Coutant  <ccoutant@google.com>
435
436         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
437         abbrev_shndx.
438         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
439         abbrev_shndx_.
440         (Dwarf_info_reader::set_abbrev_shndx): New method.
441         (Dwarf_info_reader::abbrev_shndx_): New data member.
442
443 2012-10-23  Cary Coutant  <ccoutant@google.com>
444
445         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
446         from object, not parameters.
447         (Dwarf_info_reader::parse): Likewise.
448         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
449         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
450         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
451         methods.
452
453 2012-10-23  Cary Coutant  <ccoutant@google.com>
454
455         * fileread.cc (Input_file::Input_file): New constructor.
456         * fileread.h (class Input_file): Add new constructor.
457
458 2012-10-18  Alan Modra  <amodra@gmail.com>
459
460         PR gold/14727
461         * object.cc (Relobj::is_section_name_included): Also match
462         .sdata personality section.
463
464 2012-10-18  Alan Modra  <amodra@gmail.com>
465
466         * target-reloc.h (class Default_comdat_behavior): New, package up..
467         (get_comdat_behaviour): ..this.
468         (relocate_section): Add Relocate_comdat_behavior template arg,
469         adjust code to suit.
470         * arm.cc (Target_arm::relocate_section): Adjust to suit.
471         (Target_arm::scan_reloc_section): Likewise.
472         * i386.cc (Target_i386::relocate_section): Likewise.
473         * sparc.cc (Target_sparc::relocate_section): Likewise.
474         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
475         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
476         * powerpc.cc (class Relocate_comdat_behavior): New.
477         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
478         gold::relocate_section with new template arg.
479
480 2012-10-18  Alan Modra  <amodra@gmail.com>
481
482         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
483         dynamic relocs for GOT_TPREL got entries, without symbol if
484         resolving locally.
485         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
486         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
487         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
488
489 2012-10-17  Alan Modra  <amodra@gmail.com>
490
491         PR gold/14726
492         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
493
494 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
495
496         * layout.cc (Layout::include_section): Keep sections marked
497         SHF_EXCLUDE when doing relocatable links.
498
499 2012-10-16  Alan Modra  <amodra@gmail.com>
500
501         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
502         (Target_powerpc::do_finalize_sections): Call it.
503         (Output_data_save_res): New class and supporting functions.
504         (Target_powerpc::symval_for_branch): Only look up .opd entry for
505         normal symbols defined in object files.
506
507 2012-10-12  Alan Modra  <amodra@gmail.com>
508
509         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
510         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
511         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
512         section if scan_opd_relocs not yet called.
513         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
514
515 2012-10-12  Alan Modra  <amodra@gmail.com>
516
517         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
518         add_local_ifunc_entry): Revert last change.
519         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
520
521 2012-10-05  Alan Modra  <amodra@gmail.com>
522
523         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
524         do_plt_address_for_global): New functions.
525         (Output_data_got_powerpc::do_write): Don't segfault when linking
526         statically.
527         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
528         add_local_ifunc_entry): Return true on adding entry..
529         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
530         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
531         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
532         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
533         set up symbols here.
534         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
535         syms here.  Do so even when no .iplt.  Don't segfault when linking
536         statically.
537         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
538         new variants without reloc param.
539         (Glink_sym_ent::Glink_sym_ent): Likewise.
540         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
541         reloc when refs will resolve to plt call stub.
542         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
543         R_PPC_PLTREL24 to resolve locally.
544         (Target_powerpc::Scan::global): Correct ifunc handling.
545         (Target_powerpc::Relocate::relocate): Correct local sym glink
546         lookup.  Don't destroy "value" when we have a plt call stub,
547         and when checking plt call validity.
548         (Target_powerpc::do_dynsym_value): Simplify.
549
550 2012-10-05  Alan Modra  <amodra@gmail.com>
551
552         * i386.cc (Output_data_plt_i386::address_for_global,
553         address_for_local): Add plt offset to returned value.  Adjust uses.
554         * sparc.cc (Output_data_plt_sparc::address_for_global,
555         address_for_local): Likewise.
556         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
557         address_for_local): Likewise.
558         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
559         address_for_local): Likewise.
560         * target.h (Target::plt_address_for_global, plt_address_for_local):
561         Update comment.
562         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
563         (Output_data_got::Got_entry::write): Nor here.
564         * output.h: Comment fix.
565
566 2012-10-02  Jiong Wang  <jiwang@tilera.com>
567
568         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
569         global_offset_table_ value for larget got.
570         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
571
572 2012-09-29  Alan Modra  <amodra@gmail.com>
573
574         * powerpc.cc (Target_powerpc::iplt_): New output section.
575         (Target_powerpc::iplt_section, make_iplt_section,
576         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
577         (Target_powerpc::make_plt_entry): Handle ifunc syms.
578         Target_powerpc::plt_entry_count): Count iplt entries too.
579         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
580         reloc section in constructor.  New params.
581         (Target_powerpc::make_plt_section): Create reloc section here instead.
582         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
583         functions.
584         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
585         (Output_data_glink::add_entry, find_entry): New functions to
586         deal with local syms.
587         (Glink_sym_ent): Add support for local syms.
588         (Output_data_glink::do_write): Handle ifunc plt entries.
589         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
590         (Target_powerpc::Scan::local, global): Handle ifunc syms.
591         (Target_powerpc::Relocate::relocate): Likewise.
592         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
593
594 2012-09-25  Alan Modra  <amodra@gmail.com>
595
596         * object.h (Sized_relobj_file::adjust_local_symbol,
597         do_adjust_local_symbol): New functions.
598         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
599         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
600         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
601         and irregular opd entry spacing.
602         (Powerpc_relobj::do_read_relocs): Add opd size checks.
603         (Global_symbol_visitor_opd): New functor.
604         (Target_powerpc::do_finalize_sections): Omit global symbols defined
605         on deleted opd entries.
606
607 2012-09-15  Jiong Wang  <jiwang@tilera.com>
608
609         * tilegx.cc: New file.
610         * Makefile.am (TARGETSOURCES): Add tilegx.cc
611         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
612         * configure.tgt: Add entries for tilegx*.
613         * configure.ac: Likewise.
614         * Makefile.in: Rebuild.
615         * configure: Likewise.
616         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
617         tilegx.
618
619 2012-09-13  Alan Modra  <amodra@gmail.com>
620
621         * target-reloc.h (scan_relocs): Call scan.local for relocs
622         against symbols in discarded sections.  Pass is_discarded
623         param.
624         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
625         Add is_discarded param.
626         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
627         is_discarded to flag opd entry as discarded.  Don't emit dyn
628         relocs on such entries.
629         (Target_powerpc::Scan::global): Similarly detect and handle
630         such opd entries.
631         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
632         opd_ent_.  Update all uses.
633         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
634         (Target_powerpc::relocate_section): Zero out discarded opd
635         entry relocs.
636
637 2012-09-12  Ian Lance Taylor  <iant@google.com>
638
639         PR gold/14570
640         * output.cc: Rename Output_data_got template parameter from size
641         to got_size for all functions.  Compile all variants of
642         Output_data_got.
643         (Output_data_got::Got_entry::write): Correct use of size for
644         symbol value.  Use local_is_tls rather than casting to
645         Sized_relobj_file.
646         * object.h (class Object): Add local_is_tls and do_local_is_tls.
647         (class Sized_relobj_file): Add do_local_is_tls.
648         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
649
650 2012-09-11  Alan Modra  <amodra@gmail.com>
651
652         PR gold/14566
653         * layout.cc (Layout::set_segment_offsets): When using
654         common-page-size alignment, ensure we are on a new max-page-size
655         page.
656         * output.cc (Output_segment::set_section_addresses): Use
657         abi_pagesize, not common_pagesize for relro boundary.
658         (Output_segment::set_offset): Likewise.
659
660 2012-09-11  Alan Modra  <amodra@gmail.com>
661
662         * output.h (Output_data_got::add_global_tls, add_local_tls,
663         add_local_tls_pair): New functions.
664         (Output_data_got::add_local_pair_with_rel): Remove second
665         reloc param.  Expand comment.
666         (Output_data_got::Got_entry): Rename use_plt_offset_ to
667         use_plt_or_tls_offset_, similarly for constructor param.
668         (Output_data_got::Got_entry::write): Add got_index param.
669         * output.cc (Output_data_got::add_global_tls, add_local_tls,
670         add_local_tls_pair): New functions.
671         (Output_data_got::Got_entry::write): Handle tls symbols
672         with use_plt_or_tls_offset_ set specially.
673         (Output_data_got::add_local_pair_with_rel): Only one reloc.
674         (Output_data_got::do_write): Replace iterator with index, pass
675         index to entry write function.
676         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
677         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
678         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
679         call.
680         * i386.cc (Target_i386::Scan::local): Likewise.
681         * sparc.cc (Target_sparc::Scan::local): Likewise.
682         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
683         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
684         do_tls_offset_for_global): New functions.
685         (Target_powerpc::Scan::local): Correct TLS relocations and got
686         entry values.
687         (Target_powerpc::Scan::global): Don't emit unnecessary
688         dynamic relocations on TLS GOT entries.
689
690 2012-09-10  Matthias Klose  <doko@ubuntu.com>
691
692         * config.in: Disable sanity check for kfreebsd.
693
694 2012-09-10  Sterling Augustine  <saugustine@google.com>
695
696         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
697         (Gdb_index::pubtypes_read): New parameter.
698         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
699         to calls.
700         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
701         pubtypes_object_.
702
703 2012-09-09  Alan Modra  <amodra@gmail.com>
704
705         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
706         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
707         * gc.h (gc_process_relocs): Call target gc_add_reference.
708         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
709         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
710         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
711         unnecessary cast.
712         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
713         to cater for when we don't need code offset.  Update use.
714         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
715         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
716         set_opd_valid): New functions.
717         (Target_powerpc::do_gc_add_reference): New function.
718         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
719         stashed refs.
720         (Target_powerpc::do_gc_mark_symbol): New function.
721
722 2012-09-06  Cary Coutant  <ccoutant@google.com>
723
724         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
725         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
726         (Dwarf_die::skip_attributes): Likewise.
727         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
728         * testsuite/gdb_index_test.cc (inline_func_1): New function.
729         (main): Call it.
730         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
731
732 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
733
734         * testsuite/script_test_3.t: Add .got.plt output section
735         statement.
736         * testsuite/script_test_4.t: Likewise.
737
738 2012-09-05  Alan Modra  <amodra@gmail.com>
739
740         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
741         update all uses and lose "enum" when using type.
742
743 2012-09-05  Alan Modra  <amodra@gmail.com>
744
745         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
746         * configure: Regenerate.
747         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
748         (plugin_final_layout.stdout): Likewise.
749         (memory_test): Set page sizes to 0x1000.
750         * testsuite/Makefile.in: Regenerate.
751         * testsuite/discard_locals_test.sh: Add FIXME comment.
752         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
753         * testsuite/pr14265.t: Add .got output section statement.
754         * testsuite/script_test_2.t: Likewise.
755         * testsuite/script_test_3.t: Likewise.
756         * testsuite/script_test_4.t: Likewise.
757         * testsuite/script_test_5.t: Likewise.
758         * testsuite/script_test_6.t: Likewise.
759         * testsuite/script_test_7.t: Likewise.
760         * testsuite/script_test_9.t: Likewise.
761
762 2012-09-05  Alan Modra  <amodra@gmail.com>
763
764         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
765         (Powerpc_relocate_functions::Status): New typedef.
766         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
767         (Target_powerpc::Scan::local): Handle REL64.
768         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
769         for REL32 and REL64.
770         (Target_powerpc::symval_for_branch): New function, extracted from..
771         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
772         checks.  Report overflow errors.
773
774 2012-09-05  Alan Modra  <amodra@gmail.com>
775
776         * object.h (Sized_relobj_file::emit_relocs): Delete.
777         (Sized_relobj_file::emit_relocs_reltype): Delete.
778         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
779         relocate_relocs for --emit-relocs.
780         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
781         * output.h: Update comment.
782         (Output_segment::first_section): New function.
783         (Output_segment::first_section_load_address): Use first_section.
784         * output.cc (Output_segment::first_section): New function extracted..
785         (Output_segment::first_section_load_address): ..from here.  Delete.
786         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
787         * target.h (Sized_target::relocate_for_relocatable): Likewise.
788         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
789         adjust call to target.h function.
790         * i386.cc (Target_i386): Likewise.
791         * sparc.cc (Target_sparc): Likewise.
792         * x86_64.cc (Target_x86_64): Likewise.
793         * powerpc.cc (Target_powerpc): Likewise.
794         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
795         first tls section has section symbol for optimised local dynamic
796         output relocs.
797         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
798         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
799         optimised tls code.
800         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
801         Rename to relocate_relocs.  Update error message.
802
803 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
804
805         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
806         --just-symbols.
807
808 2012-08-31  Alan Modra  <amodra@gmail.com>
809
810         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
811         (Powerpc_relobj::toc_base_offset): New stub function.
812         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
813         got_mod_index_offset to tlsld_got_offset.  Update all refs.
814         (Target_powerpc::Relocate::enum skip_tls): New.
815         (Target_powerpc::call_tls_get_addr_): New var.
816         (Target_powerpc::is_branch_reloc): Move to file scope.
817         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
818         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
819         New functions.
820         (Target_powerpc::enum Got_type): Delete old values, add new ones.
821         (powerpc_info): Correct common_pagesize for ppc64.
822         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
823         (Powerpc_relocate_functions): Add overflow check enums and functions.
824         Add non-shift version of rela, rela_ua.  Delete all rel public
825         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
826         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
827         addr16_ha3, addr14 functions.
828         (Output_data_got_powerpc::add_constant_pair): New function.
829         (Output_data_got_powerpc::got_base_offset): Likewise.
830         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
831         (instruction constants): Sort, add some more.
832         (Output_data_glink::do_write): Add and use Address typedef.  Use
833         object->toc_base_offset() stub for 64-bit.
834         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
835         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
836         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
837         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
838         Always treat .opd relocs as against locally defined symbol.
839         Correct condition for RELATIVE relocs.
840         (Target_powerpc::do_finalize_sections): Test for NULL sections.
841         (Target_powerpc::Relocate::relocate): Use plt call stub as value
842         for 32-bit syms with a plt entry.  Correct ppc64 toc base
843         calculations.  Handle TLS relocs, and more.  Add overflow
844         checking and adjust for Powerpc_relocate_functions changes.
845         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
846         Reinstate --emit-relocs code with FIXME.
847
848 2012-08-30  Alan Modra  <amodra@gmail.com>
849
850         * layout.cc (Layout::set_segment_offsets): Set p_align to
851         abi_pagesize, not common_pagesize.
852         (Layout::relaxation_loop_body): Similarly use abi_pagesize
853         to determine whether file header can go in segment.
854
855 2012-08-30  Alan Modra  <amodra@gmail.com>
856
857         * output.h (Output_reloc::Output_reloc <output section>): Add
858         is_relative param.  Adjust calls.
859         (Output_reloc::add_output_section_relative): New functions.
860         * output.cc (Output_reloc::Output_reloc <output section>): Handle
861         is_relative.
862         (Output_reloc::symbol_value): Handle SECTION_CODE.
863
864 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
865
866         * gold.cc (queue_middle_tasks): Call layout again when unique
867         segments for sections is desired.
868         * layout.cc (Layout::Layout): Initialize new members.
869         (Layout::get_output_section_flags): New function.
870         (Layout::choose_output_section): Call get_output_section_flags.
871         (Layout::layout): Make output section for mapping to a unique segment.
872         (Layout::insert_section_segment_map): New function.
873         (Layout::attach_allocated_section_to_segment): Make unique segment for
874         output sections marked so.
875         (Layout::segment_precedes): Check for unique segments when sorting.
876         * layout.h (Layout::Unique_segment_info): New struct.
877         (Layout::Section_segment_map): New typedef.
878         (Layout::insert_section_segment_map): New function.
879         (Layout::get_output_section_flags): New function.
880         (Layout::is_unique_segment_for_sections_specified): New function.
881         (Layout::set_unique_segment_for_sections_specified): New function.
882         (Layout::unique_segment_for_sections_specified_): New member.
883         (Layout::section_segment_map_): New member.
884         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
885         Rename is_gc_pass_one to is_pass_one.
886         Rename is_gc_pass_two to is_pass_two.
887         Rename is_gc_or_icf to is_two_pass.
888         Check for which pass based on whether symbols data is present.
889         Make it two pass when unique segments for sections is desired.
890         * output.cc (Output_section::Output_section): Initialize new
891         members.
892         * output.h (Output_section::is_unique_segment): New function.
893         (Output_section::set_is_unique_segment): New function.
894         (Output_section::is_unique_segment_): New member.
895         (Output_section::extra_segment_flags): New function.
896         (Output_section::set_extra_segment_flags): New function.
897         (Output_section::extra_segment_flags_): New member.
898         (Output_section::segment_alignment): New function.
899         (Output_section::set_segment_alignment): New function.
900         (Output_section::segment_alignment_): New member.
901         (Output_segment::Output_segment): Initialize is_unique_segment_.
902         (Output_segment::is_unique_segment): New function.
903         (Output_segment::set_is_unique_segment): New function.
904         (Output_segment::is_unique_segment_): New member.
905         * plugin.cc (allow_unique_segment_for_sections): New function.
906         (unique_segment_for_sections): New function.
907         (Plugin::load): Add new functions to transfer vector.
908         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
909         * Makefile.in: Regenerate.
910         * testsuite/plugin_final_layout.sh: Check if unique segment
911         functionality works.
912         * testsuite/plugin_section_order.c (onload): Check if new interfaces
913         are available.
914         (allow_unique_segment_for_sections): New global.
915         (unique_segment_for_sections): New global.
916         (claim_file_hook): Call allow_unique_segment_for_sections.
917         (all_symbols_read_hook): Call unique_segment_for_sections.
918
919 2012-08-22  Cary Coutant  <ccoutant@google.com>
920
921         * layout.cc (Layout::include_section): Don't assert on GROUP
922         sections with --emit-relocs.
923
924 2012-08-21  Cary Coutant  <ccoutant@google.com>
925
926         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
927         if --export-dynamic-symbol names an undef symbol.
928
929 2012-08-18  Alan Modra  <amodra@gmail.com>
930
931         * powerpc.cc: Formatting and white space.
932         (Powerpc_relobj): Rename got2_section_ to special_.
933         Add opd_ent_shndx_ and opd_ent_off_ vectors.
934         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
935         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
936         (Target_powerpc): Add Address typedef and invalid_address.  Use
937         throughout.
938         (Target_powerpc::is_branch_reloc): New function.
939         (Powerpc_relocate_functions): Add Address typedef, use throughout.
940         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
941         for dst_mask, value and addend.
942         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
943         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
944         (Output_data_glink::do_write): Correct toc base.  Don't try to use
945         uint16_t for 24-bit offset.  Use get_output_section_offset and
946         check return.
947         (Target_powerpc::Scan::local): Handle more relocs.
948         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
949         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
950         Plug in toc restoring insn after plt calls.  Translate branches
951         to function descriptor symbols to corresponding entry point.
952         (Target_powerpc::relocate_for_relocatable): Check return from
953         get_output_section_offset.
954         * symtab.h: Comment typo.
955
956 2012-08-14  Ian Lance Taylor  <iant@google.com>
957
958         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
959         unsupported_relocal_local to call unsupported_reloc_global.
960
961 2012-08-14  Nick Clifton  <nickc@redhat.com>
962
963         PR ld/14265
964         * script-sections.cc (Sections_element::output_section_name): Add
965         keep return parameter.
966         (Output_section_element::match_name): Add keep return parameter.
967         Return the value of the keep_ member.
968         * script-sections.h (class Output_section): Update
969         output_section_name prototype.
970         * layout.cc (Layout::keep_input_section): New public member
971         function.
972         (Layout::choose_output_section): Pass keep parameter to
973         output_section_name.
974         * layout.h (class Layout): Add keep_input_section.
975         * object.cc (Sized_relobj_file::do_layout): Check for kept input
976         sections.
977         * testsuite/Makefile.am: Add a test.
978         * testsuite/Makefile.in: Regenerate.
979         * testsuite/pr14265.c: Source file for the test.
980         * testsuite/pr14265.t: Linker script for the test.
981         * testsuite/pr14265.sh: Shell script for the test.
982
983 2012-08-14  Alan Modra  <amodra@gmail.com>
984
985         * target.h (Target::output_section_name): New function.
986         (Target::do_output_section_name): New function.
987         * layout.cc (Layout::choose_output_section): Call the above.
988         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
989
990 2012-08-14  Alan Modra  <amodra@gmail.com>
991
992         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
993         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
994         for replace_constant call.
995         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
996         (Output_data_glink::do_print_to_mapfile): New function.
997         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
998         (Target_powerpc::Relocate::relocate): Likewise.
999
1000 2012-08-14  Alan Modra  <amodra@gmail.com>
1001
1002         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1003         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1004         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1005         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1006         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1007         here.
1008         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1009         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1010         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1011         here.
1012         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1013         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1014
1015 2012-08-12  Alan Modra  <amodra@gmail.com>
1016
1017         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1018         (glink insn constants): Use uint32_t.
1019         (Output_data_glink::add_entry): Use insert, not [] operator.
1020
1021 2012-08-11  Alan Modra  <amodra@gmail.com>
1022
1023         * object.h (Sized_relobj_file::find_shdr): New function.
1024         (Sized_relobj_file::find_special_sections): New function.
1025         * object.cc (Sized_relobj_file::find_shdr): New function.
1026         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1027         (Sized_relobj_file::find_special_sections): New function, split out..
1028         (Sized_relobj_file::do_read_symbols): ..from here.
1029         * output.h (Output_data_got::replace_constant): New function.
1030         (Output_data_got::num_entries): New function.
1031         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1032         (Output_data_got::got_offset): Protected rather than private.
1033         (Output_data_got::replace_got_entry): New function.
1034         * output.cc (Output_data_got::replace_got_entry): New function.
1035         * powerpc.cc (class Powerpc_relobj): New.
1036         (class Powerpc_relocate_functions): Delete all psymval variants or
1037         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1038         Implement _ha functions using corresponding _hi function.
1039         (Powerpc_relobj::find_special_sections): New function.
1040         (Target_powerpc::do_make_elf_object): New function.
1041         (class Output_data_got_powerpc): New.
1042         (class Output_data_glink): New.
1043         (class Powerpc_scan_relocatable_reloc): New.
1044         Many more changes througout file.
1045
1046 2012-08-09  Nick Clifton  <nickc@redhat.com>
1047
1048         * po/vi.po: Updated Vietnamese translation.
1049
1050 2012-08-07  Ian Lance Taylor  <iant@google.com>
1051
1052         * layout.cc (Layout::add_target_dynamic_tags): If
1053         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1054         plt_rel.
1055
1056 2012-07-30  Nick Clifton  <nickc@redhat.com>
1057
1058         * po/gold.pot: Updated template.
1059         * po/es.po: Updated Spanish translation.
1060
1061 2012-07-18  Cary Coutant  <ccoutant@google.com>
1062
1063         PR gold/14344
1064         * configure.ac: Add check for -gpubnames support.
1065         * configure: Regenerate.
1066         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1067         support; force -gno-pubnames.
1068         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1069         support.
1070         (gdb_index_test_4): New test.
1071         * testsuite/Makefile.in: Regenerate.
1072         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1073         * testsuite/gdb_index_test_2.sh: Likewise.
1074         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1075         * testsuite/gdb_index_test_4.sh: New script.
1076         * testsuite/gdb_index_test_comm.sh: New script with common code;
1077         don't look for space after colon.
1078
1079 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1080
1081         * gold.cc (queue_middle_tasks): Update function order only after
1082         deferred objects due to plugins are processed.
1083
1084 2012-07-11  Ian Lance Taylor  <iant@google.com>
1085
1086         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1087         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1088         (Target_arm::scan_reloc_for_stub): Likewise.
1089         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1090         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1091         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1092         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1093         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1094
1095 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1096             Ian Lance Taylor  <iant@google.com>
1097
1098         PR gold/14309
1099         * configure.ac: Test whether std::tr1::hash<off_t> works.
1100         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1101         needed.
1102         * output.h (class Output_fill): Add virtual destructor.
1103         * configure, config.in: Rebuild.
1104
1105 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1106
1107         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1108
1109 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1110
1111         * plugin.cc (Plugin::load): Handle position independent executables.
1112
1113 2012-06-06  Cary Coutant  <ccoutant@google.com>
1114
1115         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1116         add .debug_macro.
1117         (lines_only_debug_sections): Likewise.
1118         (gdb_fast_lookup_sections): New static array.
1119         (is_gdb_debug_section): Rename formal parameter.
1120         (is_lines_only_debug_section): Likewise.
1121         (is_gdb_fast_lookup_section): New function.
1122         (Layout::include_section): Check for ".zdebug_" prefix; pass
1123         section name suffix to is_gdb_debug_section, et al.; check for
1124         fast-lookup sections when building .gdb_index.
1125         * options.h (--strip-debug-gdb): Update GDB version number.
1126
1127 2012-06-06  Cary Coutant  <ccoutant@google.com>
1128
1129         * configure.ac: Add check for fallocate.
1130         * configure: Regenerate.
1131         * config.in: Regenerate.
1132
1133         * options.h (class General_options): Add --mmap-output-file and
1134         --posix-fallocate options.
1135         * output.cc: (posix_fallocate): Remove; replace with...
1136         (gold_fallocate): New function.
1137         (Output_file::map_no_anonymous): Call gold_fallocate.
1138         (Output_file::map): Check --mmap-output-file option.
1139
1140 2012-06-05  Jing Yu  <jingyu@google.com>
1141
1142         * gold.h (textdomain): Add do {} to empty while(0).
1143         (bindtextdomain): Likewise.
1144
1145 2012-06-04  Cary Coutant  <ccoutant@google.com>
1146
1147         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1148         has_dynsym_index.
1149
1150 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1151
1152         * symtab.cc (Symbol_table::define_special_symbol):
1153         Initialize *poldsym to prevent uninitialized variable errors.
1154
1155 2012-05-23  Cary Coutant  <ccoutant@google.com>
1156
1157         * layout.cc (Layout::section_name_mapping): Add rules to handle
1158         exact match on .data.rel.ro.local or .data.rel.ro.
1159         (Layout::output_section_name): Check for exact matches.
1160
1161 2012-05-23  Cary Coutant  <ccoutant@google.com>
1162
1163         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1164         more carefully.
1165
1166 2012-05-22  Cary Coutant  <ccoutant@google.com>
1167
1168         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1169         object before exporting symbol.
1170
1171 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1172
1173         * testsuite/tls_test.cc: Include "config.h" first.
1174         * testsuite/tls_test_c.c: Likewise.
1175
1176 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1177             Nick Clifton  <nickc@redhat.com>
1178
1179         PR 14072
1180         * configure.in: Add check that sysdep.h has been included before
1181         any system header files.
1182         * configure: Regenerate.
1183         * config.in: Regenerate.
1184
1185 2012-05-14  Cary Coutant  <ccoutant@google.com>
1186
1187         * layout.cc (Layout::make_output_section): Mark .tdata section
1188         as RELRO.
1189         * testsuite/relro_test.cc: Add a TLS variable.
1190
1191 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1192
1193         PR gold/14091
1194         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1195         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1196         R_X86_64_64.
1197
1198 2012-05-08  Cary Coutant  <ccoutant@google.com>
1199
1200         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1201         (lines_only_debug_sections): Likewise.
1202
1203 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1204
1205         * nacl.cc: New file.
1206         * nacl.h: New file.
1207         * Makefile.am (CCFILES, HFILES): Add them.
1208         * Makefile.in: Regenerate.
1209         * i386.cc (Output_data_plt_i386_nacl): New class.
1210         (Output_data_plt_i386_nacl_exec): New class.
1211         (Output_data_plt_i386_nacl_dyn): New class.
1212         (Target_i386_nacl): New class.
1213         (Target_selector_i386_nacl): New class.
1214         (target_selector_i386): Use it instead of Target_selector_i386.
1215         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1216         (Target_x86_64_nacl): New class.
1217         (Target_selector_x86_64_nacl): New class.
1218         (target_selector_x86_64, target_selector_x32): Use it instead of
1219         Target_selector_x86_64.
1220         * arm.cc (Output_data_plt_arm_nacl): New class.
1221         (Target_arm_nacl): New class.
1222         (Target_selector_arm_nacl): New class.
1223         (target_selector_arm, target_selector_armbe): Use it instead of
1224         Target_selector_arm.
1225
1226         * target-select.cc (select_target): Take new Input_file* and off_t
1227         arguments, pass them on to recognize method of selector.
1228         * object.cc (make_elf_sized_object): Update caller.
1229         * parameters.cc (parameters_force_valid_target): Likewise.
1230         * incremental.cc (make_sized_incremental_binary): Likewise.
1231         * target-select.h: Update decl.
1232         (Target_selector::recognize): Take new Input_file* argument,
1233         pass it on to do_recognize.
1234         (Target_selector::do_recognize): Take new Input_file* argument.
1235         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1236         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1237         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1238         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1239
1240         * target.h (Target::Target_info): New members isolate_execinstr
1241         and rosegment_gap.
1242         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1243         * arm.cc (Target_arm::arm_info): Update initializer.
1244         * i386.cc (Target_i386::i386_info): Likewise.
1245         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1246         * sparc.cc (Target_sparc::sparc_info): Likewise.
1247         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1248         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1249         * layout.cc (Layout::attach_allocated_section_to_segment):
1250         Take new const Target* argument.  If target->isolate_execinstr(), act
1251         like --rosegment.
1252         (Layout::find_first_load_seg): Take new const Target* argument;
1253         if target->isolate_execinstr(), reject PF_X segments.
1254         (Layout::relaxation_loop_body): Update caller.
1255         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1256         reset file offset to zero when we hit LOAD_SEG, and then do a second
1257         loop over the segments before LOAD_SEG to reassign offsets after
1258         addresses have been determined.  Handle target->rosegment_gap().
1259         (Layout::attach_section_to_segment): Take new const Target* argument;
1260         pass it to attach_allocated_section_to_segment.
1261         (Layout::make_output_section): Update caller.
1262         (Layout::attach_sections_to_segments): Take new const Target* argument;
1263         pass it to attach_section_to_segment.
1264         * gold.cc (queue_middle_tasks): Update caller.
1265         * layout.h (Layout): Update method decls with new arguments.
1266
1267         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1268         Target_info pointer to use.
1269         (Target_arm::do_make_data_plt): New virtual method.
1270         (Target_arm::make_data_plt): New method that calls it.
1271         (Target_arm::make_plt_entry): Use it.
1272         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1273         for the section alignment.
1274         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1275         method.
1276         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1277         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1278         method.
1279         (Output_data_plt_arm::get_plt_entry_size): Call it.
1280         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1281         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1282         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1283         method.
1284         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1285         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1286         method instead of sizeof(plt_entry).
1287         (Output_data_plt_arm::add_entry): Likewise.
1288         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1289         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1290         than static method.
1291         (Target_arm::plt_entry_size): Likewise.
1292         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1293         Move to ...
1294         (Output_data_plt_arm_standard): ... here, new class.
1295         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1296         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1297         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1298
1299         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1300         Take additional argument for the PLT entry size.
1301         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1302         Use get_plt_entry_size method rather than plt_entry_size variable.
1303         (Output_data_plt_x86_64::reserve_slot): Likewise.
1304         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1305         (Output_data_plt_x86_64::add_entry): Likewise.
1306         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1307         (Output_data_plt_x86_64::address_for_global): Likewise.
1308         (Output_data_plt_x86_64::address_for_local): Likewise.
1309         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1310         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1311         Make method non-static.
1312         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1313         method.
1314         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1315         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1316         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1317         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1318         virtual method.
1319         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1320         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1321         virtual method.
1322         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1323         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1324         virtual method.
1325         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1326         (Output_data_plt_x86_64::plt_entry_size)
1327         (Output_data_plt_x86_64::first_plt_entry)
1328         (Output_data_plt_x86_64::plt_entry)
1329         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1330         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1331         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1332         (Output_data_plt_x86_64_standard): ... here, new class.
1333         (Target_x86_64::Target_x86_64): Take optional argument for the
1334         Target_info pointer to use.
1335         (Target_x86_64::do_make_data_plt): New virtual method.
1336         (Target_x86_64::make_data_plt): New method to call it.
1337         (Target_x86_64::init_got_plt_for_update): Use that.
1338         Call this->plt_->add_eh_frame method here.
1339         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1340         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1341         rather than static method.
1342         (Target_x86_64::plt_entry_size): Likewise.
1343         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1344         rather than plt_entry_size variable.  Move guts of PLT filling to...
1345         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1346         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1347         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1348
1349         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1350         additional argument for the section alignment.
1351         Don't do add_eh_frame_for_plt here.
1352         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1353         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1354         variable.
1355         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1356         method.
1357         (Output_data_plt_i386::get_plt_entry_size): Call it.
1358         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1359         (Output_data_plt_i386::add_eh_frame): New method to call it.
1360         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1361         method.
1362         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1363         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1364         method.
1365         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1366         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1367         method instead of plt_entry_size.
1368         (Output_data_plt_i386::plt_entry_size)
1369         (Output_data_plt_i386::plt_eh_frame_fde_size)
1370         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1371         (Output_data_plt_i386_standard): ... here, new class.
1372         (Output_data_plt_i386_exec): New class.
1373         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1374         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1375         (Output_data_plt_i386::exec_plt_entry): Move to ...
1376         (Output_data_plt_i386_exec::plt_entry): ... here.
1377         (Output_data_plt_i386_dyn): New class.
1378         (Output_data_plt_i386::first_plt_entry): Move to ...
1379         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1380         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1381         (Output_data_plt_i386_dyn::plt_entry): ... here.
1382         (Target_i386::Target_i386): Take optional argument for the Target_info
1383         pointer to use.
1384         (Target_i386::do_make_data_plt): New virtual method.
1385         (Target_i386::make_data_plt): New method to call it.
1386         (Target_i386::make_plt_section): Use that.
1387         Call this->plt_->add_eh_frame method here.
1388         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1389         rather than plt_entry_size variable.
1390         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1391         (Output_data_plt_i386::address_for_local): Likewise.
1392         (Output_data_plt_i386::do_write): Likewise.
1393         Move guts of PLT filling to...
1394         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1395         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1396         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1397         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1398
1399 2012-05-01  Cary Coutant  <ccoutant@google.com>
1400
1401         * dwarf_reader.cc (Dwarf_die::read_attributes)
1402         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1403         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1404         * reduced_debug_output.cc
1405         (Output_reduced_debug_info_section::get_die_end): Remove
1406         DW_FORM_GNU_ref_index.  Add default case.
1407
1408 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1409
1410         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1411         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1412         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1413         DW_AT_high_pc as offset from DW_AT_low_pc.
1414
1415         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1416         * testsuite/Makefile.in: Regenerate.
1417         * testsuite/gdb_index_test_3.c: New test source file.
1418         * testsuite/gdb_index_test_3.sh: New test source file.
1419
1420 2012-04-25  Ian Lance Taylor  <iant@google.com>
1421
1422         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1423         pointer.
1424         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1425         as a class, not a struct.
1426         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1427         (Target_arm::apply_cortex_a8_workaround): Likewise.
1428         * gc.h: Declare Reloc_types as a struct, not a class.
1429         * object.h: Declare Symbols_data as a struct.
1430         * reloc.h: Declare Read_relocs_data as a struct.
1431         * target.h: Declare Relocate_info as a struct.
1432
1433 2012-04-24  David S. Miller  <davem@davemloft.net>
1434
1435         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1436         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1437         and R_SPARC_WPLT30.
1438
1439 2012-04-24  Cary Coutant  <ccoutant@google.com>
1440
1441         * incremental-dump.cc (find_input_containing_global): Replace
1442         magic number with symbolic constant.
1443         (dump_incremental_inputs): Update version number.
1444         * incremental.cc (Output_section_incremental_inputs): Update version
1445         number; import symbolic constants from Incremental_inputs_reader.
1446         (Incremental_inputs::create_data_sections): Align relocations
1447         section correctly for 64-bit targets.
1448         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1449         constants; add padding.
1450         (Output_section_incremental_inputs::write_header): Add assert for
1451         header_size.
1452         (Output_section_incremental_inputs::write_input_files): Add assert
1453         for input_entry_size.
1454         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1455         add assert for object_info_size, input_section_entry_size,
1456         global_sym_entry_size.
1457         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1458         for data structure sizes; use them.
1459         (Incremental_input_entry_reader): Import symbolic constants from
1460         Incremental_inputs_reader; use them.
1461
1462 2012-04-23  David S. Miller  <davem@davemloft.net>
1463
1464         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1465         and elf_flags_set_.
1466         (Target_sparc::Target_sparc): Initialize new fields.
1467         (Target_sparc::do_make_elf_object): New function.
1468         (Target_sparc::do_adjust_elf_header): New function.
1469
1470 2012-04-23  Cary Coutant  <ccoutant@google.com>
1471
1472         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1473         CU range table of gdb index.
1474
1475 2012-04-20  David S. Miller  <davem@davemloft.net>
1476
1477         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1478         instead of false.
1479
1480 2012-04-16  David S. Miller  <davem@davemloft.net>
1481
1482         * sparc.cc (Target_sparc::got_address): New function.
1483         (Sparc_relocate_functions::gdop_hix22): New function.
1484         (Sparc_relocate_functions::gdop_lox10): New function.
1485         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1486         relocs.
1487         (Target_sparc::Scan::local): Likewise if the global symbol is not
1488         preemptible and is not IFUNC.
1489         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1490         transformations for local and non-preemptible non-IFUNC global
1491         symbols.
1492
1493         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1494         writing out 64-bit part of ranges.
1495
1496         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1497         -fpic and -fpie respectively.
1498         * Makefile.in: Regenerate.
1499
1500         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1501         (Target_sparc::Target_sparc): Initialize new field.
1502         (Target_sparc::do_plt_section_for_global): New function.
1503         (Target_sparc::do_plt_section_for_local): New function.
1504         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1505         (Target_sparc::make_plt_section): New function, broken out of
1506         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1507         (Target_sparc::make_plt_entry): Call make_plt_section.
1508         (Target_sparc::make_local_ifunc_plt_entry): New function.
1509         (Target_sparc::rela_ifunc_section): New function.
1510         (Target_sparc::plt_section): Remove const.
1511         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1512         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1513         and ifunc_count_ fields.
1514         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1515         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1516         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1517         (Output_data_plt_sparc::rela_ifunc): New function.
1518         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1519         (Output_data_plt_sparc::has_ifunc_section): New function.
1520         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1521         (Output_data_plt_sparc::address_for_global): New function.
1522         (Output_data_plt_sparc::address_for_local): New function.
1523         (Output_data_plt_sparc::plt_index_to_offset): New function.
1524         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1525         and entry_count.
1526         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1527         entry_count.
1528         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1529         R_SPARC_JMP_IREL to switch.
1530         (Target_sparc::Scan::check_non_pic): Likewise.
1531         (Target_sparc::Scan::local): Handle IFUNC symbols.
1532         (Target_sparc::Scan::local): Likewise.
1533         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1534         and plt_address_for_local.
1535         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1536         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1537
1538         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1539         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1540         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1541         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1542         global relocs too.
1543         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1544         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1545         calls.
1546         * sparc.cc (Target_sparc::Scan::global): Likewise.
1547         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1548
1549 2012-04-16  Cary Coutant  <ccoutant@google.com>
1550
1551         * archive.cc (Library_base::should_include_member): Check for
1552         --export-dynamic-symbol.
1553         * options.h (class General_options): Add --export-dynamic-symbol.
1554         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1555         --export-dynamic-symbol.
1556         (Symbol_table::gc_mark_undef_symbols): Likewise.
1557         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1558
1559 2012-04-12  David S. Miller  <davem@davemloft.net>
1560
1561         * sparc.cc (Reloc::wdisp10): New relocation method.
1562         (Reloc::h34): Likewise.
1563         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1564         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1565         R_SPARC_WDISP10.
1566         (Target_sparc::Scan::local): Likewise.
1567         (Target_sparc::Scan::global): Likewise.
1568         (Target_sparc::Relocate::relocate): Likewise.
1569
1570 2012-04-09  Cary Coutant  <ccoutant@google.com>
1571
1572         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1573         low_pc == 0.
1574
1575 2012-04-06  Ian Lance Taylor  <iant@google.com>
1576
1577         * timer.cc: #include <unistd.h>.
1578
1579 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1580
1581         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1582         * config.in: Regenerate.
1583         * configure: Regenerate.
1584
1585 2012-04-05  Nick Clifton  <nickc@redhat.com>
1586
1587         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1588         (AM_LC_MESSAGES): Add.
1589         * aclocal.m4: Regenerate.
1590         * config.in: Regenerate.
1591         * configure: Regenerate.
1592
1593 2012-03-21  Cary Coutant  <ccoutant@google.com>
1594
1595         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1596         * Makefile.in: Regenerate.
1597         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1598         (Sized_elf_reloc_mapper::symbol_section): New function.
1599         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1600         (make_elf_reloc_mapper): New function.
1601         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1602         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1603         (Dwarf_abbrev_table::do_get_abbrev): New function.
1604         (Dwarf_ranges_table::read_ranges_table): New function.
1605         (Dwarf_ranges_table::read_range_list): New function.
1606         (Dwarf_pubnames_table::read_section): New function.
1607         (Dwarf_pubnames_table::read_header): New function.
1608         (Dwarf_pubnames_table::next_name): New function.
1609         (Dwarf_die::Dwarf_die): New function.
1610         (Dwarf_die::read_attributes): New function.
1611         (Dwarf_die::skip_attributes): New function.
1612         (Dwarf_die::set_name): New function.
1613         (Dwarf_die::set_linkage_name): New function.
1614         (Dwarf_die::attribute): New function.
1615         (Dwarf_die::string_attribute): New function.
1616         (Dwarf_die::int_attribute): New function.
1617         (Dwarf_die::uint_attribute): New function.
1618         (Dwarf_die::ref_attribute): New function.
1619         (Dwarf_die::child_offset): New function.
1620         (Dwarf_die::sibling_offset): New function.
1621         (Dwarf_info_reader::check_buffer): New function.
1622         (Dwarf_info_reader::parse): New function.
1623         (Dwarf_info_reader::do_parse): New function.
1624         (Dwarf_info_reader::do_read_string_table): New function.
1625         (Dwarf_info_reader::lookup_reloc): New function.
1626         (Dwarf_info_reader::get_string): New function.
1627         (Dwarf_info_reader::visit_compilation_unit): New function.
1628         (Dwarf_info_reader::visit_type_unit): New function.
1629         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1630         Sized_elf_reloc_mapper.
1631         (Sized_dwarf_line_info::symbol_section): Remove function.
1632         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1633         (Sized_dwarf_line_info::read_line_mappings): Remove object
1634         parameter, adjust callers.
1635         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1636         * dwarf_reader.h: Include <sys/types.h>.
1637         (class Track_relocs): Remove forward declaration.
1638         (class Elf_reloc_mapper): New class.
1639         (class Sized_elf_reloc_mapper): New class.
1640         (class Dwarf_abbrev_table): New class.
1641         (class Dwarf_range_list): New class.
1642         (class Dwarf_ranges_table): New class.
1643         (class Dwarf_pubnames_table): New class.
1644         (class Dwarf_die): New class.
1645         (class Dwarf_info_reader): New class.
1646         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1647         (Sized_dwarf_line_info::symbol_section): Remove member function.
1648         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1649         base class.
1650         * gdb-index.cc: New source file.
1651         * gdb-index.h: New source file.
1652         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1653         and .debug_types sections, call Layout::add_to_gdb_index.
1654         (Sized_relobj_incr::do_section_name): Implement.
1655         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1656         return type; Implement.
1657         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1658         return type.
1659         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1660         parameter list and return type.
1661         (Sized_incr_dynobj::do_section_contents): Likewise.
1662         * layout.cc: Include gdb-index.h.
1663         (Layout::Layout): Initialize gdb_index_data_.
1664         (Layout::init_fixed_output_section): Check for .gdb_index section.
1665         (Layout::add_to_gdb_index): New function. Instantiate.
1666         * layout.h: Add forward declaration for class Gdb_index.
1667         (Layout::add_to_gdb_index): New member function.
1668         (Layout::gdb_index_data_): New data member.
1669         * main.cc: Include gdb-index.h.
1670         (main): Print statistics for gdb index.
1671         * object.cc (Object::section_contents): Move code into
1672         do_section_contents.
1673         (need_decompressed_section): Check for sections needed when building
1674         gdb index.
1675         (build_compressed_section_map): Likewise.
1676         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1677         gdb index.
1678         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1679         sections; call Layout::add_to_gdb_index.
1680         (Sized_relobj_file::do_decompressed_section_contents): Call
1681         do_section_contents directly.
1682         * object.h (Object::do_section_contents): Adjust parameter list and
1683         return type.
1684         (Object::do_decompressed_section_contents): Call do_section_contents
1685         directly.
1686         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1687         return type.
1688         * options.h (class General_options): Add --gdb-index option.
1689         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1690         list and return type.
1691         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1692         * reloc.h (Track_relocs::checkpoint): New function.
1693         (Track_relocs::reset): New function.
1694
1695         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1696         New test cases.
1697         * testsuite/Makefile.in: Regenerate.
1698         * testsuite/gdb_index_test.cc: New test source file.
1699         * testsuite/gdb_index_test_1.sh: New test source file.
1700         * testsuite/gdb_index_test_2.sh: New test source file.
1701
1702 2012-03-19  Doug Kwan  <dougkwan@google.com>
1703
1704         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1705         (Target_arm::do_finalize_sections): Remove code which defines
1706         __exidx_start and __exidx_end.  Make symbol table parameter
1707         anonymous as it is not used.
1708         * gold.cc (queue_middle_tasks): Call target hook to define any
1709         target-specific symbols.
1710         * target.h (Target::define_standard_symbols): New method.
1711         (Target::do_define_standard_symbols): Same.
1712         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1713         * testsuite/Makefile.in: Regenerate.
1714         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1715         and __exidx_end.
1716         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1717         relocations are generated for __exidx_start and __exidx_end.
1718
1719 2012-03-16  Doug Kwan  <dougkwan@google.com>
1720
1721         * testsuite/Makefile.am: Disable test initpri3b.
1722         * testsuite/Makefile.in: Regenerate.
1723
1724 2012-03-15  Doug Kwan  <dougkwan@google.com>
1725
1726         * arm.cc (Target_arm::got_section): Make .got section read-only
1727         if -z now is given.
1728
1729 2012-03-15  Ian Lance Taylor  <iant@google.com>
1730
1731         PR gold/13850
1732         * layout.cc (Layout::make_output_section): Correctly mark
1733         SHT_INIT_ARRAY, et. al., as relro.
1734
1735 2012-03-14  Doug Kwan  <dougkwan@google.com>
1736
1737         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1738         dynamic relocations for protected symbols in shared objects.
1739
1740 2012-03-13  Ian Lance Taylor  <iant@google.com>
1741
1742         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1743         keep the larger alignment.
1744
1745 2012-03-12  Cary Coutant  <ccoutant@google.com>
1746
1747         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1748         handling of DW_LNE_define_file.
1749
1750 2012-03-12  Cary Coutant  <ccoutant@google.com>
1751
1752         * reduced_debug_output.cc
1753         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1754         codes to switch.
1755
1756 2012-02-29  Cary Coutant  <ccoutant@google.com>
1757
1758         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1759
1760 2012-02-29  Cary Coutant  <ccoutant@google.com>
1761
1762         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1763         Call Object::decompressed_section_contents.
1764         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1765         New dtor.
1766         (Sized_dwarf_line_info::buffer_start_): New data member.
1767         * merge.cc (Output_merge_data::do_add_input_section): Call
1768         Object::decompressed_section_contents.
1769         (Output_merge_string::do_add_input_section): Likewise.
1770         * object.cc (need_decompressed_section): New function.
1771         (build_compressed_section_map): Decompress sections needed later.
1772         (Sized_relobj_file::do_decompressed_section_contents): New function.
1773         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1774         * object.h (Object::decompressed_section_contents): New function.
1775         (Object::discard_decompressed_sections): New function.
1776         (Object::do_decompressed_section_contents): New function.
1777         (Object::do_discard_decompressed_sections): New function.
1778         (Compressed_section_info): New type.
1779         (Compressed_section_map): Include decompressed section contents.
1780         (Sized_relobj_file::do_decompressed_section_contents): New function.
1781         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1782
1783 2012-02-16  Cary Coutant  <ccoutant@google.com>
1784
1785         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1786         * testsuite/Makefile.in: Regenerate.
1787
1788 2012-02-14  Cary Coutant  <ccoutant@google.com>
1789
1790         * options.cc (General_options::finalize): Disallow -pie and -static.
1791
1792 2012-02-03  Doug Kwan  <dougkwan@google.com>
1793
1794         * arm.cc (Arm_relocate_functions::abs8,
1795         Arm_relocate_functions::abs16): Use
1796         Bits::has_signed_unsigned_overflow32.
1797         (Arm_relocate_functions::thm_abs8): Correct range of
1798         overflow check.
1799         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1800         in assertions.
1801
1802 2012-02-02  Doug Kwan  <dougkwan@google.com>
1803
1804         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1805         position independent outputs, not just shared objects.
1806
1807 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1808
1809         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1810         * configure: Regenerated.
1811
1812 2012-01-27  Ian Lance Taylor  <iant@google.com>
1813
1814         * reloc.h (Bits): New class with static functions, copied from
1815         namespace utils in arm.cc.
1816         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1817         instead.
1818
1819 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1820
1821         * incremental.cc (write_info_blocks): Correct relocation offset.
1822
1823 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1824
1825         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1826         (Relocate::tls_gd_to_le): Likewise.
1827
1828 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1829
1830         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1831
1832 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1833
1834         * configure.ac: Check if -mcmodel=medium works.
1835         * configure: Regenerated.
1836
1837 2012-01-24  Cary Coutant  <ccoutant@google.com>
1838
1839         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1840         definition and ...
1841         (read_unsigned_LEB_128_x): ... this new function.
1842         (read_signed_LEB_128): Replaced with inline definition and ...
1843         (read_signed_LEB_128_x): ... this new function.
1844         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1845         (read_unsigned_LEB_128): Add inline definition.
1846         (read_signed_LEB_128_x): New function.
1847         (read_signed_LEB_128): Add inline definition.
1848         * testsuite/Makefile.am (leb128_unittest): New unit test.
1849         * testsuite/Makefile.in: Regenerate.
1850         * testsuite/leb128_unittest.cc: New unit test.
1851
1852 2012-01-23  Ian Lance Taylor  <iant@google.com>
1853
1854         PR gold/13617
1855         * i386.cc (Target_i386::do_code_fill): When using a jmp
1856         instruction, pad with nop instructions.
1857         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1858
1859 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1860
1861         * x86_64.cc (gc_process_relocs): Add typename on types used in
1862         template.
1863         (scan_relocs): Likewise.
1864         (relocate_section): Likewise.
1865         (apply_relocation): Likewise.
1866
1867 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1868
1869         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1870         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1871         under x32.
1872
1873 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1874
1875         * x86_64.cc: Initial support for x32.
1876
1877 2012-01-03  Cary Coutant  <ccoutant@google.com>
1878
1879         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1880         Use abstract base class for GOT.
1881         * gold/output.h (class Output_data_got_base): New abstract base class.
1882         (class Output_data_got): Derive from new base class, adjust ctors.
1883         (Output_data_got::reserve_slot): Make virtual; rename to
1884         do_reserve_slot; Adjust callers.
1885         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1886         pointer to abstract base class.
1887         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1888
1889 2011-12-18  Ian Lance Taylor  <iant@google.com>
1890
1891         * object.h (Relobj::local_symbol_value): New function.
1892         (Relobj::local_plt_offset): New function.
1893         (Relobj::local_has_got_offset): New function.
1894         (Relobj::local_got_offset): New function.
1895         (Relobj::set_local_got_offset): New function.
1896         (Relobj::do_local_symbol_value): New pure virtual function.
1897         (Relobj::do_local_plt_offset): Likewise.
1898         (Relobj::do_local_has_got_offset): Likewise.
1899         (Relobj::do_local_got_offset): Likewise.
1900         (Relobj::do_set_local_got_offset): Likewise.
1901         (Sized_relobj::do_local_has_got_offset): Rename from
1902         local_has_got_offset.
1903         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1904         (Sized_relobj::do_set_local_got_offset): Rename from
1905         set_local_got_offset.
1906         (Sized_relobj_file::do_local_plt_offset): Rename from
1907         local_plt_offset.
1908         (Sized_relobj_file::do_local_symbol_value): New function.
1909         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1910         local_plt_offset.
1911         * output.cc (Output_data_got::Got_entry::write): Change object to
1912         Relobj.  Use local_symbol_value.
1913         (Output_data_got::add_global_with_rel): Change rel_dyn to
1914         Output_data_reloc_generic*.  Use add_global_generic.
1915         (Output_data_got::add_global_with_rela): Remove.  Change all
1916         callers to use add_global_with_rel.
1917         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1918         Output_data_reloc_generic*.  Use add_global_generic.
1919         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1920         callers to use add_global_pair_with_rel.
1921         (Output_data_got::add_local): Change object to Relobj*.
1922         (Output_data_got::add_local_plt): Likewise.
1923         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1924         change rel_dyn to Output_data_reloc_generic*.  Use
1925         add_local_generic.
1926         (Output_data_got::add_local_with_rela): Remove.  Change all
1927         callers to use all_local_with_rel.
1928         (Output_data_got::add_local_pair_with_rel): Change object to
1929         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1930         add_output_section_generic.
1931         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1932         callers to use add_local_pair_with_rel.
1933         (Output_data_got::reserve_local): Change object to Relobj*.
1934         * output.h: (class Output_data_reloc_generic): Add pure virtual
1935         declarations for add_global_generic, add_local_generic,
1936         add_output_section_generic.
1937         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1938         functions for Output_data_reloc_generic.  Update declarations for
1939         changes listed in output.cc.
1940         (class Output_data_got): Change template parameter to got_size.
1941         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1942         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1943         function.
1944         (Sized_relobj_incr::do_local_plt_offset): New function.
1945         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1946         add_global_generic.
1947
1948 2011-12-17  Cary Coutant  <ccoutant@google.com>
1949
1950         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1951         * resolve.cc (Symbol_table::resolve): Likewise.
1952         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1953         arrays.
1954         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1955
1956 2011-12-16  Ian Lance Taylor  <iant@google.com>
1957
1958         * output.h (Output_data_reloc_generic::add): Only call
1959         add_dynamic_reloc if this is a dynamic reloc section.
1960
1961 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1962
1963         PR gold/13505
1964         * target-reloc.h (apply_relocation): Replace <64, false> with
1965         <size, big_endian>.
1966
1967 2011-11-25  Nick Clifton  <nickc@redhat.com>
1968
1969         * po/it.po: New Italian translation.
1970
1971 2011-11-17  Sterling Augustine  <saugustine@google.com>
1972
1973         * script.cc (script_include_directive): Implement.
1974         (read_script_file): New local variables name and search_path. Update
1975         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1976         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1977         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1978
1979 2011-11-11  Sterling Augustine  <saugustine@google.com>
1980
1981         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1982         (file_or_sections_cmd): Likewise.
1983
1984 2011-11-11  Doug Kwan  <dougkwan@google.com>
1985
1986         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1987         if --just-symbols is given.
1988
1989 2011-11-10  Doug Kwan  <dougkwan@google.com>
1990
1991         PR gold/13362
1992         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1993         when processing data relocs.
1994         * reloc.h (Relocate_functions::rel_unaligned): New method.
1995         (Relocate_functions::pcrel_unaligned): Ditto.
1996         (Relocate_functions::rel32_unaligned): Ditto.
1997         (Relocate_functions::pcrel32_unaligned): Ditto.
1998
1999 2011-11-09  Doug Kwan  <dougkwan@google.com>
2000
2001         PR gold/13362
2002         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2003         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2004         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2005         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2006         (Relocate_functions::rel_unaligned): New.
2007         (Relocate_functions::rel32_unaligned): New.
2008         * target-reloc.h (relocate_for_relocatable): Add code to handle
2009         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2010         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2011         arm_unaligned_reloc_r): New targets.
2012         * testsuite/Makefile.in: Regenerate.
2013         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2014         linking.
2015
2016 2011-11-02  Ian Lance Taylor  <iant@google.com>
2017
2018         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2019         NATIVE_LINKER.
2020         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2021         * options.cc (General_options::finalize): Use library search path
2022         from configure script if specified.  If not native and no sysroot,
2023         only search TOOLLIBDIR.
2024         * options.h (Search_directory::Search_directory): Change name to
2025         const std::string&.
2026         (General_options::add_to_library_path_with_sysroot): Change arg to
2027         const std::string&.
2028         * configure, Makefile.in, config.in: Rebuild.
2029
2030 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2031
2032         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2033         we are working around the ARM1176 Erratum.
2034         * options.h (General_options::fix_arm1176): Add option.
2035         * testsuite/Makefile.am: Add testcases, and keep current ones
2036         working.
2037         * testsuite/Makefile.in: Regenerate.
2038         * testsuite/arm_fix_1176.s: New file.
2039         * testsuite/arm_fix_1176.sh: Likewise.
2040
2041 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2042
2043         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2044         may_use_blx_.
2045         (Target_arm::may_use_blx): Remove method.
2046         (Target_arm::set_may_use_blx): Likewise.
2047         (Target_arm::may_use_v4t_interworking): New method.
2048         (Target_arm::may_use_v5t_interworking): Likewise.
2049         (Target_arm::may_use_blx_): Remove member variable.
2050         (Arm_relocate_functions::arm_branch_common): Check for v5T
2051         interworking.
2052         (Arm_relocate_functions::thumb_branch_common): Likewise.
2053         (Reloc_stub::stub_type_for_reloc): Likewise.
2054         (Target_arm::do_finalize_sections): Correct interworking checks.
2055         * testsuite/Makefile.am: Add new tests.
2056         * testsuite/Makefile.in: Regenerate.
2057         * testsuite/arm_farcall_arm_arm.s: New test.
2058         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2059         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2060         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2061         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2062         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2063         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2064         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2065
2066 2011-10-31  Cary Coutant  <ccoutant@google.com>
2067
2068         PR gold/13023
2069         * expression.cc (Expression::eval_with_dot): Add
2070         is_section_dot_assignment parameter.
2071         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2072         absolute and assigning to dot within a section.
2073         * script-sections.cc
2074         (Output_section_element_assignment::set_section_addresses): Pass
2075         dot_section to set_if_absolute.
2076         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2077         as is_section_dot_assignment flag to eval_with_dot.
2078         (Output_section_element_dot_assignment::set_section_addresses):
2079         Likewise.
2080         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2081         parameter.  Also set value if relative to dot_section; set the
2082         symbol's output_section.
2083         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2084         parameter.  Adjust all callers.
2085         (Expression::eval_maybe_dot): Likewise.
2086         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2087         Adjust all callers.
2088         * testsuite/script_test_2.t: Test assignment of an absolute value
2089         to dot within an output section element.
2090
2091 2011-10-31  Cary Coutant  <ccoutant@google.com>
2092
2093         * options.h (class General_options): Add --[no-]gnu-unique options.
2094         * symtab.cc (Symbol_table::sized_write_globals): Convert
2095         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2096
2097 2011-10-31  Cary Coutant  <ccoutant@google.com>
2098
2099         PR gold/13359
2100         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2101         unnecessary assertion.
2102         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2103
2104 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2105
2106         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2107         gc_mark_symbol.
2108         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2109         gc_mark_symbol.
2110         Change to just keep the section associated with symbol.
2111         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2112         they are externally visible and --export-dynamic is turned on.
2113         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2114
2115 2011-10-19  Ian Lance Taylor  <iant@google.com>
2116
2117         PR gold/13163
2118         * script-sections.cc
2119         (Output_section_element_dot_assignment::needs_output_section): New
2120         function.
2121
2122 2011-10-19  Ian Lance Taylor  <iant@google.com>
2123
2124         PR gold/13204
2125         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2126         --section-start option was seen.
2127         * options.h (General_options::any_section_start): New function.
2128
2129 2011-10-18  David S. Miller  <davem@davemloft.net>
2130
2131         PR binutils/13301
2132         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2133         member to track relocation locations that have moved during TLS
2134         reloc optimizations.
2135         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2136         (Target_sparc::Relocate::relocate): Adjust view down by 4
2137         bytes if it matches reloc_adjust_addr_.
2138         (Target_sparc::Relocate::relocate_tls): Always move the
2139         __tls_get_addr call delay slot instruction forward 4 bytes when
2140         performing relaxation.
2141
2142 2011-10-18  Cary Coutant  <ccoutant@google.com>
2143
2144         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2145         (Output_file::map_no_anonymous): Check for non-zero
2146         return code from posix_fallocate.
2147
2148 2011-10-17  Cary Coutant  <ccoutant@google.com>
2149
2150         PR gold/13245
2151         * plugin.cc (is_visible_from_outside): Check for symbols
2152         referenced from dynamic objects.
2153         * resolve.cc (Symbol_table::resolve): Don't count references
2154         from dynamic objects as references from real ELF files.
2155         * testsuite/plugin_test_2.sh: Adjust expected result.
2156
2157 2011-10-17  Cary Coutant  <ccoutant@google.com>
2158
2159         * gold.cc: Include timer.h.
2160         (queue_middle_tasks): Stamp time.
2161         (queue_final_tasks): Likewise.
2162         * main.cc (main): Store timer in parameters.  Print timers
2163         for each pass.
2164         * parameters.cc (Parameters::Parameters): Initialize timer_.
2165         (Parameters::set_timer): New function.
2166         (set_parameters_timer): New function.
2167         * parameters.h (Parameters::set_timer): New function.
2168         (Parameters::timer): New function.
2169         (Parameters::timer_): New data member.
2170         (set_parameters_timer): New function.
2171         * timer.cc (Timer::stamp): New function.
2172         (Timer::get_pass_time): New function.
2173         * timer.h (Timer::stamp): New function.
2174         (Timer::get_pass_time): New function.
2175         (Timer::pass_times_): New data member.
2176
2177 2011-10-17  Cary Coutant  <ccoutant@google.com>
2178
2179         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2180         task for members of lib groups.
2181
2182 2011-10-17  Cary Coutant  <ccoutant@google.com>
2183
2184         PR gold/13288
2185         * fileread.cc (File_read::find_view): Add assert.
2186         (File_read::make_view): Move bounds check (replace with assert)...
2187         (File_read::find_or_make_view): ... to here.
2188
2189 2011-10-12  Cary Coutant  <ccoutant@google.com>
2190
2191         * output.cc (Output_file::open_base_file): Handle case where
2192         ::read returns less than requested size.
2193
2194 2011-10-10  Cary Coutant  <ccoutant@google.com>
2195
2196         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2197         Initialize defined_count_.
2198         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2199         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2200         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2201         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2202         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2203         * incremental.h (Sized_relobj_incr::defined_count_): New data
2204         member.
2205         (Sized_incr_dynobj::defined_count_): New data member.
2206         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2207         Return zeroes instead of internal error.
2208
2209 2011-10-10  Cary Coutant  <ccoutant@google.com>
2210
2211         PR gold/13249
2212         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2213         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2214         * output.h (class Output_reloc): Add use_plt_offset flag.
2215         (Output_reloc::type_): Adjust size of bit field.
2216         (Output_reloc::use_plt_offset_): New bit field.
2217         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2218         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2219         flag.  Adjust all callers.
2220         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2221         creating RELATIVE relocations.
2222
2223 2011-10-10  Nick Clifton  <nickc@redhat.com>
2224
2225         * po/es.po: Updated Spanish translation.
2226         * po/fi.po: Updated Finnish translation.
2227
2228 2011-10-03   Diego Novillo  <dnovillo@google.com>
2229
2230         * options.cc (parse_uint): Fix dereference of RETVAL.
2231
2232 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2233
2234         * layout.h (section_order_map_): New member.
2235         (get_section_order_map): New member function.
2236         * output.cc (Output_section::add_input_section): Check for patterns
2237         only when --section-ordering-file is specified.
2238         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2239         output_sections have been formed.
2240         * layout.cc (Layout_Layout): Initialize section_order_map_.
2241         * plugin.cc (update_section_order): Store order in order_map. Do not
2242         update the order.
2243         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2244         * testsuite/Makefile.in: Regenerate.
2245         * testsuite/plugin_section_order.c: New file.
2246         * testsuite/plugin_final_layout.cc: New file.
2247         * testsuite/plugin_final_layout.sh: New file.
2248
2249 2011-09-29  Cary Coutant  <ccoutant@google.com>
2250
2251         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2252         Check for NULL.
2253         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2254         symbols during incremental update.
2255         (Symbol_table::add_from_dynobj): Likewise.
2256
2257 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2258             Ian Lance Taylor  <iant@google.com>
2259
2260         * symtab.cc (Symbol_table::define_special_symbol): Always
2261         canonicalize version string.
2262
2263 2011-09-26  Cary Coutant  <ccoutant@google.com>
2264
2265         * gold.cc (queue_initial_tasks): Move option checks ...
2266         * options.cc (General_options::finalize): ... to here. Disable
2267         some options; make others fatal.
2268
2269 2011-09-26  Cary Coutant  <ccoutant@google.com>
2270
2271         gcc PR lto/47247
2272         * plugin.cc (get_symbols_v2): New function.
2273         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2274         (is_referenced_from_outside): New function.
2275         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2276         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2277         (get_symbols): Pass version parameter.
2278         (get_symbols_v2): New function.
2279         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2280         parameter.
2281         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2282         (onload): Add LDPT_GET_SYMBOLS_V2.
2283         (all_symbols_read_hook): Use get_symbols_v2; check for
2284         LDPR_PREVAILING_DEF_IRONLY_EXP.
2285         * testsuite/plugin_test_3.sh: Update expected results.
2286
2287 2011-09-23  Simon Baldwin  <simonb@google.com>
2288
2289         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2290         configuration options.
2291         * configure: Regenerate.
2292         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2293         * Makefile.in: Regenerate.
2294         * testsuite/Makefile.in: Regenerate.
2295
2296 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2297
2298         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2299
2300 2011-09-19  Cary Coutant  <ccoutant@google.com>
2301
2302         * incremental.cc (can_incremental_update): Fix typo in comment.
2303         * incremental.h (can_incremental_update): Likewise.
2304
2305 2011-09-18  Cary Coutant  <ccoutant@google.com>
2306
2307         * incremental.cc (can_incremental_update): New function.
2308         * incremental.h (can_incremental_update): New function.
2309         * layout.cc (Layout::init_fixed_output_section): Call it.
2310         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2311         * object.cc (Sized_relobj_file::do_layout): Call
2312         can_incremental_update.
2313
2314 2011-09-13  Cary Coutant  <ccoutant@google.com>
2315
2316         * configure.ac: Check for glibc support for gnu_indirect_function
2317         support with static linking, setting automake conditional
2318         IFUNC_STATIC.
2319         * Makefile.in: Regenerate.
2320         * configure: Regenerate.
2321
2322         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2323         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2324         for IFUNC_STATIC.
2325         * testsuite/Makefile.in: Regenerate.
2326
2327 2011-09-13  Cary Coutant  <ccoutant@google.com>
2328
2329         * incremental.cc (Sized_relobj_incr::do_layout): Call
2330         report_comdat_group for kept comdat sections.
2331         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2332         * testsuite/Makefile.in: Regenerate.
2333         * testsuite/incr_comdat_test_1.cc: New source file.
2334         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2335         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2336         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2337
2338 2011-09-13  Ian Lance Taylor  <iant@google.com>
2339
2340         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2341         variable external_symbols_offset.
2342
2343 2011-09-12  Ian Lance Taylor  <iant@google.com>
2344
2345         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2346         triggered if object has no symbols.
2347
2348 2011-09-09  David S. Miller  <davem@davemloft.net>
2349
2350         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2351         (Output_fill_debug_line::do_write): Likewise.
2352
2353 2011-08-29  Cary Coutant  <ccoutant@google.com>
2354
2355         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2356         casts to match formatting specs.
2357         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2358
2359 2011-08-26  Cary Coutant  <ccoutant@google.com>
2360
2361         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2362         remaining hole size when allocating.
2363         (Layout::make_output_section): Set fill methods for debug sections.
2364         * layout.h (Free_list::Free_list_node): Move from private to
2365         public.
2366         (Free_list::set_min_hole_size): New function.
2367         (Free_list::begin, Free_list::end): New functions.
2368         (Free_list::min_hole_): New data member.
2369         * output.cc: Include dwarf.h.
2370         (Output_fill_debug_info::do_minimum_hole_size): New function.
2371         (Output_fill_debug_info::do_write): New function.
2372         (Output_fill_debug_line::do_minimum_hole_size): New function.
2373         (Output_fill_debug_line::do_write): New function.
2374         (Output_section::Output_section): Initialize new data member.
2375         (Output_section::set_final_data_size): Ensure patch space is larger
2376         than minimum hole size.
2377         (Output_section::do_write): Fill holes in debug sections.
2378         * output.h (Output_fill): New class.
2379         (Output_fill_debug_info): New class.
2380         (Output_fill_debug_line): New class.
2381         (Output_section::set_free_space_fill): New function.
2382         (Output_section::free_space_fill_): New data member.
2383         * testsuite/Makefile.am (incremental_test_3): Add
2384         --incremental-patch option.
2385         (incremental_test_4): Likewise.
2386         (incremental_test_5): Likewise.
2387         (incremental_test_6): Likewise.
2388         (incremental_copy_test): Likewise.
2389         (incremental_common_test_1): Likewise.
2390         * testsuite/Makefile.in: Regenerate.
2391
2392 2011-08-26  Nick Clifton  <nickc@redhat.com>
2393
2394         * po/es.po: Updated Spanish translation.
2395
2396 2011-08-01  Cary Coutant  <ccoutant@google.com>
2397
2398         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2399         * gold/testsuite/Makefile.in: Regenerate.
2400         * gold/testsuite/justsyms_exec.c: New source file.
2401         * gold/testsuite/justsyms_lib.c: New source file.
2402
2403 2011-08-01  Cary Coutant  <ccoutant@google.com>
2404
2405         * layout.cc (Layout::set_segment_offsets): Don't realign text
2406         segment if -Ttext was specified.
2407         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2408         file type.
2409         * object.h (Sized_relobj_file::e_type): New function.
2410         (Sized_relobj_file::e_type_): New data member.
2411         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2412         base address for ET_EXEC files.
2413         * target.cc (Target::do_make_elf_object_implementation): Allow
2414         ET_EXEC files with --just-symbols option.
2415
2416 2011-07-28  Cary Coutant  <ccoutant@google.com>
2417
2418         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2419         Add thread_number parameter.
2420         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2421         * workqueue-threads.cc
2422         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2423         current thread if its thread number is greater than desired thread
2424         count.
2425         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2426         Add thread_number parameter.
2427         (Workqueue::should_cancel_thread): Likewise.
2428         (Workqueue::find_runnable_or_wait): Pass thread_number to
2429         should_cancel_thread.
2430         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2431         parameter.
2432
2433 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2434
2435         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2436         only after checking if it cannot be forced local.
2437         * symtab.h (is_externally_visible): Check if the symbol is not forced
2438         local.
2439
2440 2011-07-15  Ian Lance Taylor  <iant@google.com>
2441
2442         * options.h (class General_options): Add --print-output-format.
2443         Move -EL next to -EB, for  better --help output.
2444         * target-select.cc: Include <cstdio>, "options.h", and
2445         "parameters.h".
2446         (Target_selector::do_target_bfd_name): New function.
2447         (print_output_format): New function.
2448         * target-select.h (class Target_selector): Update declarations.
2449         (Target_selector::target_bfd_name): New function.
2450         (print_output_format): Declare.
2451         * main.cc: Include "target-select.h".
2452         (main): Handle --print-output-format.
2453         * gold.cc: Include "target-select.h".
2454         (queue_initial_tasks): Handle --print-output-format when there are
2455         no input files.
2456         * parameters.cc (parameters_force_valid_target): Give a better
2457         error message if -EB/-EL does not match target.
2458         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2459         function.
2460
2461 2011-07-15  Ian Lance Taylor  <iant@google.com>
2462
2463         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2464         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2465         (Output_data_plt_i386::do_write): Write address of .dynamic
2466         section to first entry in .got.plt section.
2467         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2468         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2469         Initialize layout_.
2470         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2471         section to first entry in .got.plt section.
2472         * layout.h (Layout::dynamic_section): New function.
2473
2474 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2475
2476         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2477         to claim_file call.
2478         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2479         input_section_position_, and input_section_glob_.
2480         (read_layout_from_file): Call function section_ordering_specified.
2481         * layout.h (is_section_ordering_specified): New function.
2482         (section_ordering_specified): New function.
2483         (section_ordering_specified_): New boolean member.
2484         * main.cc(main): Call load_plugins after layout object is defined.
2485         * output.cc (Output_section::add_input_section): Use
2486         function section_ordering_specified to check if section ordering is
2487         needed.
2488         * output.cc (Output_section::add_relaxed_input_section): Use
2489         function section_ordering_specified to check if section ordering is
2490         needed.
2491         (Output_section::update_section_layout): New function.
2492         (Output_section::sort_attached_input_sections): Check if input section
2493         must be reordered.
2494         * output.h (Output_section::update_section_layout): New function.
2495         * plugin.cc (get_section_count): New function.
2496         (get_section_type): New function.
2497         (get_section_name): New function.
2498         (get_section_contents): New function.
2499         (update_section_order): New function.
2500         (allow_section_ordering): New function.
2501         (Plugin::load): Add the new interfaces to the transfer vector.
2502         (Plugin_manager::load_plugins): New parameter.
2503         (Plugin_manager::all_symbols_read): New parameter.
2504         (Plugin_manager::claim_file): New parameter. Save the elf object for
2505         unclaimed objects.
2506         (Plugin_manager::get_elf_object): New function.
2507         (Plugin_manager::get_view): Change to directly use the bool to check
2508         if get_view is called from claim_file_hook.
2509         * plugin.h (input_objects): New function
2510         (Plugin__manager::load_plugins): New parameter.
2511         (Plugin_manager::claim_file): New parameter.
2512         (Plugin_manager::get_elf_object): New function.
2513         (Plugin_manager::in_claim_file_handler): New function.
2514         (Plugin_manager::in_claim_file_handler_): New member.
2515         (layout): New function.
2516         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2517         handler with an extra parameter. Make the elf object before calling
2518         claim_file handler.
2519         * testsuite/plugin_test.c (get_section_count): New function pointer.
2520         (get_section_type): New function pointer.
2521         (get_section_name): New function pointer.
2522         (get_section_contents): New function pointer.
2523         (update_section_order): New function pointer.
2524         (allow_section_ordering): New function pointer.
2525         (onload): Check if the new interfaces exist.
2526
2527 2011-07-13  Ian Lance Taylor  <iant@google.com>
2528
2529         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2530         relro section.
2531         * x86_64.cc (Target_x86_64::got_section): Likewise.
2532         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2533         (relro_now_test_SOURCES): New variable.
2534         (relro_now_test_DEPENDENCIES): New variable.
2535         (relro_now_test_LDFLAGS): New variable.
2536         (relro_now_test_LDADD): New variable.
2537         (relro_now_test.so): New target.
2538         * testsuite/Makefile.in: Rebuild.
2539
2540 2011-07-12  Ian Lance Taylor  <iant@google.com>
2541
2542         PR gold/12980
2543         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2544         GLOB_DAT relocation rather than a RELATIVE relocation for a
2545         protected symbol when creating a shared library.
2546         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2547         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2548         * testsuite/protected_main_1.cc (main): Test that protected
2549         function has same address.
2550
2551 2011-07-11  Ian Lance Taylor  <iant@google.com>
2552
2553         PR gold/12979
2554         * options.h (class General_options): Add -Bgroup.
2555         * options.cc (General_options::finalize): If -Bgroup is set,
2556         default to --unresolved-symbols=report-all.
2557         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2558         * target-reloc.h (issue_undefined_symbol_error): Handle
2559         --unresolved-symbols=report-all.
2560
2561 2011-07-08  Ian Lance Taylor  <iant@google.com>
2562
2563         PR gold/11985
2564         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2565         if linker script discards key sections.
2566         (Layout::create_dynamic_symtab): Likewise.
2567         (Layout::assign_local_dynsym_offsets): Likewise.
2568         (Layout::sized_create_version_sections): Likewise.
2569         (Layout::create_interp): Likewise.
2570         (Layout::finish_dynamic_section): Likewise.
2571         (Layout::set_dynamic_symbol_size): Likewise.
2572
2573 2011-07-08  Ian Lance Taylor  <iant@google.com>
2574
2575         PR gold/12386
2576         * options.h (class General_options): Add --unresolved-symbols.
2577         * target-reloc.h (issue_undefined_symbol_error): Check
2578         --unresolved-symbols.  Add comments.
2579
2580 2011-07-08  Ian Lance Taylor  <iant@google.com>
2581
2582         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2583         expression more complex.
2584
2585 2011-07-08  Ian Lance Taylor  <iant@google.com>
2586
2587         PR gold/11317
2588         * target-reloc.h (issue_undefined_symbol_error): New inline
2589         function, broken out of relocate_section.
2590         (relocate_section): Call issue_undefined_symbol_error.
2591         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2592         there is no TLS segment if we are about to issue an undefined
2593         symbol error.
2594         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2595
2596 2011-07-08  Ian Lance Taylor  <iant@google.com>
2597
2598         PR gold/12279
2599         * resolve.cc (Symbol_table::should_override): Add fromtype
2600         parameter.  Change all callers.  Give error when linking together
2601         TLS and non-TLS symbol.
2602         (Symbol_table::should_override_with_special): Add fromtype
2603         parameter.  Change all callers.
2604         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2605         there is no TLS segment if we have reported some errors.
2606         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2607
2608 2011-07-08  Ian Lance Taylor  <iant@google.com>
2609
2610         PR gold/12372
2611         * target.h (Target::plt_address_for_global): New function.
2612         (Target::plt_address_for_local): New function.
2613         (Target::plt_section_for_global): Remove.
2614         (Target::plt_section_for_local): Remove.
2615         (Target::do_plt_address_for_global): New virtual function.
2616         (Target::do_plt_address_for_local): New virtual function.
2617         (Target::do_plt_section_for_global): Remove.
2618         (Target::do_plt_section_for_local): Remove.
2619         (Target::register_global_plt_entry): Add Symbol_table and Layout
2620         parameters.
2621         * output.cc (Output_data_got::Got_entry::write): Use
2622         plt_address_for_global and plt_address_for_local.
2623         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2624         address of output section.
2625         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2626         got_irelative_, and irelative_count_ fields.  Update
2627         declarations.
2628         (Output_data_plt_i386::has_irelative_section): New function.
2629         (Output_data_plt_i386::entry_count): Add irelative_count_.
2630         (Output_data_plt_i386::set_final_data_size): Likewise.
2631         (class Target_i386): Add got_irelative_ and rel_irelative_
2632         fields.  Update declarations.
2633         (Target_i386::Target_i386): Initialize new fields.
2634         (Target_i386::do_plt_address_for_global): New function replacing
2635         do_plt_section_for_global.
2636         (Target_i386::do_plt_address_for_local): New function replacing
2637         do_plt_section_for_local.
2638         (Target_i386::got_section): Create got_irelative_.
2639         (Target_i386::rel_irelative_section): New function.
2640         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2641         fields.  Don't define __rel_iplt_{start,end}.
2642         (Output_data_plt_i386::add_entry): Add symtab and layout
2643         parameters.  Change all callers.  Use different PLT and GOT for
2644         IFUNC symbols.
2645         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2646         layout parameters.  Change all callers.  Use different PLT and
2647         GOT.
2648         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2649         (Output_data_plt_i386::rel_irelative): New function.
2650         (Output_data_plt_i386::address_for_global): New function.
2651         (Output_data_plt_i386::address_for_local): New function.
2652         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2653         IRELATIVE GOT when changing IFUNC GOT entries.
2654         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2655         reloc.
2656         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2657         if we didn't create an IRELATIVE GOT.
2658         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2659         plt_address_for_local.
2660         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2661         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2662         got_irelative_, and irelative_count_ fields.  Update
2663         declarations.
2664         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2665         Initialize new fields.  Remove symtab parameter.  Change all
2666         callers.
2667         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2668         irelative_count_.
2669         (Output_data_plt_x86_64::has_irelative_section): New function.
2670         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2671         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2672         fields.  Update declarations.
2673         (Target_x86_64::Target_x86_64): Initialize new fields.
2674         (Target_x86_64::do_plt_address_for_global): New function replacing
2675         do_plt_section_for_global.
2676         (Target_x86_64::do_plt_address_for_local): New function replacing
2677         do_plt_section_for_local.
2678         (Target_x86_64::got_section): Create got_irelative_.
2679         (Target_x86_64::rela_irelative_section): New function.
2680         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2681         all callers.  Don't create __rel_iplt_{start,end}.
2682         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2683         parameters.  Change all callers.  Use different PLT and GOT for
2684         IFUNC symbols.
2685         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2686         layout parameters.  Change all callers.  Use different PLT and
2687         GOT.
2688         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2689         parameters.  Change all callers.  Use different PLT and GOT for
2690         IFUNC symbols.
2691         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2692         (Output_data_plt_x86_64::rela_irelative): New function.
2693         (Output_data_plt_x86_64::address_for_global): New function.
2694         (Output_data_plt_x86_64::address_for_local): New function.
2695         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2696         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2697         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2698         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2699         parameters.
2700         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2701         reloc.
2702         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2703         symbols if we didn't create an IRELATIVE GOT.
2704         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2705         plt_address_for_local.
2706         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2707         * testsuite/ifuncvar1.c: New test file.
2708         * testsuite/ifuncvar2.c: New test file.
2709         * testsuite/ifuncvar3.c: New test file.
2710         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2711         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2712         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2713         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2714         * testsuite/Makefile.in: Rebuild.
2715
2716 2011-07-07  Cary Coutant  <ccoutant@google.com>
2717
2718         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2719         (two_file_test_1_ndebug.o): Likewise.
2720         (two_file_test_1b_ndebug.o): Likewise.
2721         (two_file_test_2_ndebug.o): Likewise.
2722         (two_file_test_main_ndebug.o): Likewise.
2723         (incremental_test_2): Link with no-debug versions.
2724
2725 2011-07-06  Cary Coutant  <ccoutant@google.com>
2726
2727         * gold/incremental.cc
2728         (Output_section_incremental_inputs::write_info_blocks): Check for
2729         hidden and internal symbols.
2730
2731 2011-07-06  Cary Coutant  <ccoutant@google.com>
2732
2733         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2734         Check disposition for startup file.
2735         (Incremental_inputs::report_command_line): Ignore
2736         --incremental-startup-unchanged option.
2737         * options.cc (General_options::parse_incremental_startup_unchanged):
2738         New function.
2739         (General_options::General_options): Initialize new data member.
2740         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2741         (General_options): Add --incremental-startup-unchanged option.
2742         (General_options::incremental_startup_disposition): New function.
2743         (General_options::incremental_startup_disposition_): New data member.
2744
2745 2011-07-06  Cary Coutant  <ccoutant@google.com>
2746
2747         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2748         input file index to Script_info ctor.
2749         (Sized_incremental_binary::do_file_has_changed): Find the
2750         command-line argument for files named in scripts.
2751         * incremental.h (Script_info::Script_info): New ctor
2752         with input file index.
2753         (Script_info::input_file_index): New function.
2754         (Script_info::input_file_index_): New data member.
2755         (Incremental_binary::get_library): Add const.
2756         (Incremental_binary::get_script_info): Add const.
2757         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2758         * testsuite/Makefile.am (incremental_test_5): New test case.
2759         (incremental_test_6): New test case.
2760         * testsuite/Makefile.in: Regenerate.
2761
2762 2011-07-06  Cary Coutant  <ccoutant@google.com>
2763
2764         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2765         debug output when command lines differ.
2766
2767 2011-07-06  Cary Coutant  <ccoutant@google.com>
2768
2769         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2770         --incremental-patch option.
2771         * layout.cc (Free_list::allocate): Extend allocation beyond original
2772         end if enabled.
2773         (Layout::make_output_section): Mark sections that should get
2774         patch space.
2775         * options.cc (parse_percent): New function.
2776         * options.h (parse_percent): New function.
2777         (DEFINE_percent): New macro.
2778         (General_options): Add --incremental-patch option.
2779         * output.cc (Output_section::Output_section): Initialize new data
2780         members.
2781         (Output_section::add_input_section): Print section name when out
2782         of patch space.
2783         (Output_section::add_output_section_data): Likewise.
2784         (Output_section::set_final_data_size): Add patch space when
2785         doing --incremental-full.
2786         (Output_section::do_reset_address_and_file_offset): Remove patch
2787         space.
2788         (Output_segment::set_section_list_addresses): Print debug output
2789         only if --incremental-update.
2790         * output.h (Output_section::set_is_patch_space_allowed): New function.
2791         (Output_section::is_patch_space_allowed_): New data member.
2792         (Output_section::patch_space_): New data member.
2793         * parameters.cc (Parameters::incremental_full): New function.
2794         * parameters.h (Parameters::incremental_full): New function
2795         * testsuite/Makefile.am (incremental_test_2): Add test for
2796         --incremental-patch option.
2797         * testsuite/Makefile.in: Regenerate.
2798         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2799         (t18): Remove function body.
2800
2801 2011-07-05  Doug Kwan  <dougkwan@google.com>
2802
2803         PR gold/12771
2804         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2805         Arm_Address type for relocation result.
2806         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2807         overflow check.
2808         (Arm_relocate_functions::abs32): Use unaligned access.
2809         (Arm_relocate_functions::rel32): Ditto.
2810         (Arm_relocate_functions::prel31): Ditto.
2811         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2812         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2813         static data relocations.
2814         * testsuite/Makefile.in: Regnerate.
2815         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2816
2817 2011-07-05  Ian Lance Taylor  <iant@google.com>
2818
2819         PR gold/12392
2820         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2821         symbols if necessary.
2822         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2823
2824 2011-07-05  Ian Lance Taylor  <iant@google.com>
2825
2826         PR gold/12952
2827         * resolve.cc (Symbol::override_base_with_special): Simply override
2828         version with special symbol version, ignoring previous version.
2829
2830 2011-07-05  Ian Lance Taylor  <iant@google.com>
2831
2832         * object.cc (Sized_relobj_file::include_section_group): Add
2833         information to comment about signature location.
2834
2835 2011-07-02  Ian Lance Taylor  <iant@google.com>
2836
2837         PR gold/12957
2838         * options.h (class General_options): Add -f and -F.
2839         * options.cc (General_options::finalize): Fatal error if -f/-F
2840         are used without -shared.
2841         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2842
2843 2011-07-02  Ian Lance Taylor  <iant@google.com>
2844
2845         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2846
2847 2011-07-01  Ian Lance Taylor  <iant@google.com>
2848
2849         PR gold/12525
2850         PR gold/12952
2851         * resolve.cc (Symbol::override_base_with_special): Don't override
2852         the version if the overriding symbol has a different name.
2853         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2854         all callers.  If we give an error about an undefined version,
2855         define the base version if necessary.
2856         * dynobj.h (class Versions): Update declaration.
2857         * testsuite/weak_alias_test_5.cc: New file.
2858         * testsuite/weak_alias_test.script: New file.
2859         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2860         and versioned_alias have the right value, and call t2.
2861         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2862         weak_alias_test_5.so.
2863         (weak_alias_test_LDADD): Likewise.
2864         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2865         * testsuite/Makefile.in: Rebuild.
2866
2867 2011-07-01  Ian Lance Taylor  <iant@google.com>
2868
2869         PR gold/12525
2870         * options.h (class General_options): Support -z notext.
2871         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2872         -Wl,-z,notext.
2873         (two_file_shared_nonpic.so): Likewise.
2874         (two_file_shared_mixed.so): Likewise.
2875         (two_file_shared_mixed_1.so): Likewise.
2876         (weak_undef_lib_nonpic.so): Likewise.
2877         (alt/weak_undef_lib_nonpic.so): Likewise.
2878         (tls_test_shared_nonpic.so): Likewise.
2879         * testsuite/Makefile.in: Rebuild.
2880
2881 2011-07-01  Ian Lance Taylor  <iant@google.com>
2882
2883         PR gold/12525
2884         * configure.ac: Test whether static linking works, setting
2885         the automake conditional HAVE_STATIC.
2886         * testsuite/Makefile.am: Disable tests using -static if
2887         HAVE_STATIC is not true.
2888         * configure, testsuite/Makefile.in: Rebuild.
2889
2890 2011-07-01  Ian Lance Taylor  <iant@google.com>
2891
2892         PR gold/12525
2893         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2894         Assert if we see DW_EH_PE_indirect.
2895         * target.h (Target::ehframe_datarel_base): New function.
2896         (Target::do_ehframe_datarel_base): New target function.
2897         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2898         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2899         function.
2900
2901 2011-07-01  Ian Lance Taylor  <iant@google.com>
2902
2903         PR gold/12571
2904         * options.h (class General_options): Add
2905         --ld-generated-unwind-info.
2906         * ehframe.cc (Fde::write): Add address parameter.  Change all
2907         callers.  If associated with PLT, fill in address and size.
2908         (Cie::set_output_offset): Only add merge mapping if there is an
2909         object.
2910         (Cie::write): Add address parameter.  Change all callers.
2911         (Eh_frame::add_ehframe_for_plt): New function.
2912         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2913         input_offset_ fields into union u_, with new plt field.
2914         (Fde::Fde): Adjust for new union field.
2915         (Fde::Fde) [Output_data version]: New constructor.
2916         (Fde::add_mapping): Only add merge mapping if there is an object.
2917         (class Cie): Update declarations.
2918         (class Eh_frame): Declare add_ehframe_for_plt.
2919         * layout.cc (Layout::layout_eh_frame): Break out code into
2920         make_eh_frame_section, and call it.
2921         (Layout::make_eh_frame_section): New function.
2922         (Layout::add_eh_frame_for_plt): New function.
2923         * layout.h (class Layout): Update declarations.
2924         * merge.cc (Merge_map::add_mapping): Add assertion.
2925         * i386.cc: Include "dwarf.h".
2926         (class Output_data_plt_i386): Make first_plt_entry,
2927         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2928         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2929         and plt_eh_frame_fde.
2930         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2931         boundary.  Call add_eh_frame_for_plt if appropriate.
2932         * x86_64.cc: Include "dwarf.h".
2933         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2934         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2935         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2936         and plt_eh_frame_fde.
2937         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2938         appropriate.
2939
2940 2011-06-29  Ian Lance Taylor  <iant@google.com>
2941
2942         PR gold/12629
2943         * object.cc (Sized_relobj_file::layout_section): Change shdr
2944         parameter to be const.
2945         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2946         out of do_layout.
2947         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2948         appropriate.  Call layout_eh_frame_section.
2949         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2950         sections.
2951         * object.h (class Sized_relobj_file): Update declarations.
2952
2953 2011-06-29  Ian Lance Taylor  <iant@google.com>
2954
2955         PR gold/12652
2956         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2957         modifier.
2958         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2959
2960 2011-06-29  Ian Lance Taylor  <iant@google.com>
2961
2962         PR gold/12675
2963         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2964         SHT_X86_64_UNWIND.
2965         * layout.cc (Layout::layout_eh_frame): Likewise.
2966
2967 2011-06-29  Ian Lance Taylor  <iant@google.com>
2968
2969         PR gold/12695
2970         * layout.cc (Layout::symtab_section_shndx): New function.
2971         * layout.h (class Layout): Declare symtab_section_shndx.
2972         * output.cc (Output_section::write_header): Call it.
2973
2974 2011-06-29  Ian Lance Taylor  <iant@google.com>
2975
2976         PR gold/12818
2977         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2978         symbols which are not used in a relocation.
2979
2980 2011-06-28  Ian Lance Taylor  <iant@google.com>
2981
2982         PR gold/12898
2983         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2984         script create indistinguishable segments.
2985         (Layout::set_segment_offsets): Use stable_sort when sorting
2986         segments.  Pass this to Compare_segments constructor.
2987         * layout.h (class Layout): Make segment_precedes non-static.
2988         (class Compare_segments): Change from struct to class.  Add
2989         layout_ field.  Add constructor.
2990         * script-sections.cc
2991         (Script_sections::attach_sections_using_phdrs_clause): Rename
2992         local orphan to is_orphan.  Don't report failure to put empty
2993         section in segment.  On attachment failure, report name of
2994         section, and attach to first PT_LOAD segment.
2995
2996 2011-06-28  Ian Lance Taylor  <iant@google.com>
2997
2998         PR gold/12934
2999         * target-select.cc (Target_selector::Target_selector): Add
3000         emulation parameter.  Change all callers.
3001         (select_target_by_bfd_name): Rename from select_target_by_name.
3002         Change all callers.
3003         (select_target_by_emulation): New function.
3004         (supported_emulation_names): New function.
3005         * target-select.h (class Target_selector): Add emulation_ field.
3006         Update declarations.
3007         (Target_selector::recognize_by_bfd_name): Rename from
3008         recognize_by_name.  Change all callers.
3009         (Target_selector::supported_bfd_names): Rename from
3010         supported_names.  Change all callers.
3011         (Target_selector::recognize_by_emulation): New function.
3012         (Target_selector::supported_emulations): New function.
3013         (Target_selector::emulation): New function.
3014         (Target_selector::do_recognize_by_bfd_name): Rename from
3015         do_recognize_by_name.  Change all callers.
3016         (Target_selector::do_supported_bfd_names): Rename from
3017         do_supported_names.  Change all callers.
3018         (Target_selector::do_recognize_by_emulation): New function.
3019         (Target_selector::do_supported_emulations): New function.
3020         (select_target_by_bfd_name): Change name in declaration.
3021         (select_target_by_emulation): Declare.
3022         (supported_emulation_names): Declare.
3023         * parameters.cc (parameters_force_valid_target): Try to find
3024         target based on emulation from -m option.
3025         * options.h (class General_options): Change doc string for -m.
3026         * options.cc (help): Print emulations.
3027         (General_options::parse_V): Likewise.
3028         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3029         Add emulation parameter.  Change all callers.
3030
3031 2011-06-28  Ian Lance Taylor  <iant@google.com>
3032
3033         * target.h (class Target): Add osabi_ field.
3034         (Target::osabi): New function.
3035         (Target::set_osabi): New function.
3036         (Target::Target): Initialize osabi_.
3037         (Target::do_adjust_elf_header): Make pure virtual.
3038         (Sized_target::do_adjust_elf_header): Declare.
3039         * target.cc (Sized_target::do_adjust_elf_header): New function.
3040         (class Sized_target): Instantiate all versions.
3041         * freebsd.h (class Target_freebsd): Remove.
3042         (Target_selector_freebsd::do_recognize): Call set_osabi on
3043         Target.
3044         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3045         (Target_selector_freebsd::set_osabi): Remove.
3046         * i386.cc (class Target_i386): Inherit from Sized_target rather
3047         than Target_freebsd.
3048         * x86_64.cc (class Target_x86_64): Likewise.
3049
3050 2011-06-28  Ian Lance Taylor  <iant@google.com>
3051
3052         * target.h (Target::can_check_for_function_pointers): Rewrite.
3053         Make non-virtual.
3054         (Target::can_icf_inline_merge_sections): Likewise.
3055         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3056         (Target::Target_info): Add can_icf_inline_merge_sections field.
3057         (Target::do_can_check_for_function_pointers): New virtual
3058         function.
3059         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3060         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3061         from can_check_for_function_pointers, move in file.
3062         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3063         section_may_have_icf_unsafe_poineters, move in file.
3064         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3065         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3066         Rename from can_check_for_function_pointers, move in file.
3067         (Target_i386::can_icf_inline_merge_sections): Remove.
3068         (Target_i386::i386_info): Initialize
3069         can_icf_inline_merge_sections.
3070         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3071         Initialize can_icf_inline_merge_sections.
3072         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3073         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3074         Rename from can_check_for_function_pointers, move in file.
3075         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3076         (Target_x86_64::x86_64_info): Initialize
3077         can_icf_inline_merge_sections.
3078         * testsuite/testfile.cc (Target_test::test_target_info):
3079         Likewise.
3080         * icf.cc (get_section_contents): Correct formatting.
3081
3082 2011-06-27  Ian Lance Taylor  <iant@google.com>
3083
3084         * symtab.cc (Symbol::versioned_name): New function.
3085         (Symbol_table::add_to_final_symtab): Use versioned_name when
3086         appropriate.
3087         (Symbol_table::sized_write_symbol): Likewise.
3088         * symtab.h (class Symbol): Declare versioned_name.
3089         * stringpool.h (class Stringpool_template): Add variant of add
3090         which takes a std::basic_string.
3091         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3092         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3093         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3094         (ver_test_12.o): New target.
3095         * testsuite/Makefile.in: Rebuild.
3096
3097 2011-06-27  Doug Kwan  <dougkwan@google.com>
3098
3099         * arm.cc (Arm_relocate_functions::thm_jump8,
3100         Arm_relocate_functions::thm_jump11): Use a wider signed
3101         type to compute offset.
3102         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3103         arm_thm_jump8.
3104         * testsuite/Makefile.in: Regenerate.
3105         * testsuite/arm_branch_in_range.sh: Check test results of
3106         arm_thm_jump11 and arm_thm_jump8.
3107         * testsuite/arm_thm_jump11.s: New test source file.
3108         * testsuite/arm_thm_jump11.t: New linker script.
3109         * testsuite/arm_thm_jump8.s: New test source file.
3110         * testsuite/arm_thm_jump8.t: New linker script.
3111
3112 2011-06-24  Ian Lance Taylor  <iant@google.com>
3113
3114         * layout.cc: Include "object.h".
3115         (ctors_sections_in_init_array): New static variable.
3116         (Layout::is_ctors_in_init_array): New function.
3117         (Layout::layout): Add entry to ctors_sections_in_init_array if
3118         appropriate.
3119         * layout.h (class Layout): Declare is_ctors_in_init_array.
3120         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3121         is_ctors_reverse_view is set.
3122         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3123         all callers.  Set is_ctors_reverse_view field of View_size.
3124         (Sized_relobj_file::reverse_words): New function.
3125         * object.h (Sized_relobj_file::View_size): Add
3126         is_ctors_reverse_view field.
3127         (class Sized_relobj_file): Update declarations.
3128         * testsuite/initpri3.c: New test.
3129         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3130         initpri3b.
3131         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3132         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3133         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3134         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3135         * testsuite/Makefile.in: Rebuild.
3136
3137 2011-06-24  Cary Coutant  <ccoutant@google.com>
3138
3139         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3140         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3141         (debug_msg_cdebug.err): New targets.
3142         * testsuite/Makefile.in: Regenerate.
3143         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3144         Fix checks for link with shared library.
3145
3146 2011-06-24  Doug Kwan  <dougkwan@google.com>
3147
3148         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3149         skip empty text sections.
3150         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3151
3152 2011-06-22  Ian Lance Taylor  <iant@google.com>
3153
3154         PR gold/12910
3155         * options.h (class General_options): Add --ctors-in-init-array.
3156         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3157         friends as SHT_PROGBITS for merging sections.
3158         (Layout::layout): Remove special handling of .init_array and
3159         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3160         and .dtors if ctors_in_init_array.
3161         (Layout::make_output_section): Force correct section types for
3162         .init_array and friends.  Don't sort if doing relocatable link,
3163         Don't sort .ctors and .dtors if ctors_in_init_array.
3164         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3165         (Layout::output_section_name): Add relobj parameter.  Change all
3166         callers.  Handle .ctors. and .dtors. in code rather than table.
3167         Handle .ctors and .dtors if ctors_in_init_array.
3168         (Layout::match_file_name): New function, moved from output.cc.
3169         * layout.h (class Layout): Update declarations.
3170         * output.cc: Include "layout.h".
3171         (Input_section_sort_entry::get_priority): New function.
3172         (Input_section_sort_entry::match_file_name): Just call
3173         Layout::match_file_name.
3174         (Output_section::Input_section_sort_init_fini_compare::operator()):
3175         Handle .ctors and .dtors.  Sort by explicit priority rather than
3176         by name.
3177         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3178         * testsuite/initpri2.c: New test.
3179         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3180         (check_PROGRAMS): Add initpri2.
3181         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3182         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3183         * configure, testsuite/Makefile.in: Rebuild.
3184
3185 2011-06-19  Ian Lance Taylor  <iant@google.com>
3186
3187         PR gold/12880
3188         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3189         .interp section to a PT_INTERP segment even if we have seen a
3190         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3191         clause in a linker script.
3192         (Layout::finalize): Don't create a .interp section if we've
3193         already create a PT_INTERP segment.
3194         (Layout::create_interp): Always call choose_output_section (revert
3195         patch of 2011-06-17).  Don't create PT_INTERP segment.
3196         * script-sections.cc
3197         (Script_sections::create_note_and_tls_segments): Add a .interp
3198         section to a PT_INTERP segment even if we have seen a
3199         --dynamic-linker option.
3200
3201 2011-06-18  Ian Lance Taylor  <iant@google.com>
3202
3203         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3204         merely because a non-PT_LOAD segment has a dynamic reloc.
3205
3206 2011-06-18  Ian Lance Taylor  <iant@google.com>
3207
3208         * layout.cc (Layout::finish_dynamic_section): Don't create
3209         DT_FLAGS entry if not needed.
3210
3211 2011-06-18  Ian Lance Taylor  <iant@google.com>
3212
3213         PR gold/12745
3214         * layout.cc (Layout::layout_eh_frame): Correct handling of
3215         writable .eh_frame section.
3216
3217 2011-06-17  Ian Lance Taylor  <iant@google.com>
3218
3219         PR gold/12893
3220         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3221         symbol is redefined with the exact same object and value.
3222
3223 2011-06-17  Ian Lance Taylor  <iant@google.com>
3224
3225         PR gold/12880
3226         * layout.h (class Layout): Add interp_segment_ field.
3227         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3228         (Layout::attach_allocated_section_to_segment): If making shared
3229         library, put .interp section in PT_INTERP segment.
3230         (Layout::finalize): Also call create_interp if -dynamic-linker
3231         option was used.
3232         (Layout::create_interp): Assert that there is no PT_INTERP
3233         segment.  If not using a SECTIONS clause, use make_output_section.
3234         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3235         * script-sections.cc
3236         (Script_sections::create_note_and_tls_segments): If making shared
3237         library, put .interp section in PT_INTERP segment.
3238
3239 2011-06-17  Ian Lance Taylor  <iant@google.com>
3240
3241         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3242         when making a shared library.
3243
3244 2011-06-17  Ian Lance Taylor  <iant@google.com>
3245
3246         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3247         parameter.  Change all callers.  Don't issue warning about PC32
3248         against locally defined symbol.
3249
3250 2011-06-16  Ian Lance Taylor  <iant@google.com>
3251
3252         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3253         occurs in same object.
3254
3255 2011-06-14  Alan Modra  <amodra@gmail.com>
3256
3257         * po/POTFILES.in: Regenerate.
3258
3259 2011-06-09  Ian Lance Taylor  <iant@google.com>
3260
3261         * script-sections.cc
3262         (Orphan_output_section::set_section_addresses): For a relocatable
3263         link set address to 0.
3264
3265 2011-06-09  Cary Coutant  <ccoutant@google.com>
3266
3267         PR gold/12804
3268         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3269         used with --compress-debug-sections.
3270         * gold/object.cc (Sized_relobj_file::do_layout): Report
3271         uncompressed size of compressed input sections.
3272
3273 2011-06-08  Cary Coutant  <ccoutant@google.com>
3274
3275         PR gold/12804
3276         * testsuite/two_file_test_2_v1.cc: Change initialization of
3277         v2 to keep it in .data.
3278
3279 2011-06-07  Cary Coutant  <ccoutant@google.com>
3280
3281         * common.cc (Symbol_table::do_allocate_commons_list): Call
3282         gold_fallback.
3283         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3284         (Errors::fallback): New function.
3285         (gold_fallback): New function.
3286         * errors.h (Errors::fallback): New function.
3287         * gold.cc (gold_exit): Change status parameter to enum; adjust
3288         all callers.
3289         (queue_initial_tasks): Call gold_fallback.
3290         * gold.h: Include cstdlib.
3291         (Exit_status): New enum type.
3292         (gold_exit): Change status parameter to enum.
3293         (gold_fallback): New function.
3294         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3295         (Layout::create_symtab_sections): Likewise.
3296         (Layout::create_shdrs): Likewise.
3297         * main.cc (main): Adjust call to gold_exit.
3298         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3299         (Output_data_got::add_got_entry_pair): Likewise.
3300         (Output_section::add_input_section): Likewise.
3301         (Output_section::add_output_section_data): Likewise.
3302         (Output_segment::set_section_list_addresses): Likewise.
3303         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3304
3305 2011-06-07  Cary Coutant  <ccoutant@google.com>
3306
3307         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3308         for incremental links.
3309         * output.cc (Output_segment::set_section_list_addresses): Remove
3310         FIXME and test for TLS or BSS.
3311
3312 2011-06-07  Cary Coutant  <ccoutant@google.com>
3313
3314         * testsuite/Makefile.am: Add incremental_copy_test,
3315         incremental_common_test_1.
3316         * testsuite/Makefile.in: Regenerate.
3317         * testsuite/common_test_1_v1.c: New source file.
3318         * testsuite/common_test_1_v2.c: New source file.
3319         * testsuite/copy_test_v1.cc: New source file.
3320
3321 2011-06-07  Cary Coutant  <ccoutant@google.com>
3322
3323         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3324         update, allocate common from bss section's free list.
3325         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3326         linker-defined symbols.
3327         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3328         Skip GOT and PLT entries that are no longer referenced.
3329         (Output_section_incremental_inputs::write_info_blocks): Mark
3330         linker-defined symbols.
3331         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3332         * output.cc (Output_section::allocate): New function.
3333         * output.h (Output_section::allocate): New function.
3334         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3335         linker-defined symbols.
3336         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3337         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3338         (Symbol::init_base_output_data): Likewise.
3339         (Symbol::init_base_output_segment): Likewise.
3340         (Symbol::init_base_constant): Likewise.
3341         (Sized_symbol::init_output_data): Likewise.
3342         (Sized_symbol::init_output_segment): Likewise.
3343         (Sized_symbol::init_constant): Likewise.
3344         (Symbol_table::do_define_in_output_data): Likewise.
3345         (Symbol_table::do_define_in_output_segment): Likewise.
3346         (Symbol_table::do_define_as_constant): Likewise.
3347         * symtab.h (Symbol::is_predefined): New function.
3348         (Symbol::init_base_output_data): Add is_predefined parameter.
3349         (Symbol::init_base_output_segment): Likewise.
3350         (Symbol::init_base_constant): Likewise.
3351         (Symbol::is_predefined_): New data member.
3352         (Sized_symbol::init_output_data): Add is_predefined parameter.
3353         (Sized_symbol::init_output_segment): Likewise.
3354         (Sized_symbol::init_constant): Likewise.
3355         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3356
3357 2011-06-07  Cary Coutant  <ccoutant@google.com>
3358
3359         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3360         instead of emit_copy_reloc.
3361         (Copy_relocs::emit_copy_reloc): Refactor.
3362         (Copy_relocs::make_copy_reloc): New function.
3363         (Copy_relocs::add_copy_reloc): Remove.
3364         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3365         section.
3366         (Copy_relocs::make_copy_reloc): New function.
3367         (Copy_relocs::add_copy_reloc): Remove.
3368         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3369         unchanged input files.
3370         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3371         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3372         Reserve BSS space for COPY relocations.
3373         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3374         (Output_section_incremental_inputs::write_info_blocks): Record
3375         whether a symbol is copied from a shared object.
3376         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3377         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3378         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3379         (Incremental_input_entry_reader::get_output_symbol_index): Add
3380         is_copy parameter.
3381         (Incremental_binary::emit_copy_relocs): New function.
3382         (Incremental_binary::do_emit_copy_relocs): New function.
3383         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3384         new data member.
3385         (Sized_incremental_binary::add_copy_reloc): New function.
3386         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3387         (Sized_incremental_binary::Copy_reloc): New struct.
3388         (Sized_incremental_binary::Copy_relocs): New typedef.
3389         (Sized_incremental_binary::copy_relocs_): New data member.
3390         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3391         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3392         * target.h (Sized_target::emit_copy_reloc): New function.
3393         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3394
3395 2011-06-02  Cary Coutant  <ccoutant@google.com>
3396
3397         PR gold/12163
3398         * gold/archive.cc (Archive::Archive): Initialize new data member.
3399         (Archive::include_all_members): Return if archive has already been
3400         included.
3401         * gold/archive.h (Archive::include_all_members_): New data member.
3402
3403 2011-06-02  Nick Clifton  <nickc@redhat.com>
3404
3405         * dynobj.h: Fix spelling mistake in comment.
3406         * output.cc: Likewise.
3407
3408 2011-05-31  Doug Kwan  <dougkwan@google.com>
3409             Asier Llano
3410
3411         PR gold/12826
3412         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3413         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3414         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3415         redundant arm_exidx_test.so.
3416         * testsuite/Makefile.in: Regenerate.
3417         (check_SCRIPTS): Add pr12826.sh
3418         (check_DATA): Add pr12826.stdout
3419         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3420         * testsuite/pr12826.sh: New file.
3421         * testsuite/pr12826_1.s: Ditto.
3422         * testsuite/pr12826_1.s: Ditto.
3423
3424 2011-05-30  Ian Lance Taylor  <iant@google.com>
3425
3426         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3427         sections.
3428
3429 2011-05-29  Ian Lance Taylor  <iant@google.com>
3430
3431         PR gold/12804
3432         * testsuite/Makefile.am: Use different file name for two_file_test
3433         temporary file for each incremental test.
3434         * testsuite/Makefile.in: Rebuild.
3435
3436 2011-05-29  Ian Lance Taylor  <iant@google.com>
3437
3438         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3439         binary input file is empty.
3440
3441 2011-05-27  Ian Lance Taylor  <iant@google.com>
3442
3443         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3444         (ver_test_9.so): Likewise.
3445         * testsuite/Makefile.in: Rebuild.
3446
3447 2011-05-26 Cary Coutant  <ccoutant@google.com>
3448
3449         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3450         * incremental.cc (Incremental_inputs::report_input_section): Fix
3451         comment, indentation.
3452         (Incremental_inputs::report_comdat_group): New function.
3453         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3454         of data for incremental input file entry.
3455         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3456         group count, COMDAT group signatures.
3457         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3458         an unchanged input file.
3459         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3460         Initialize new data member.
3461         (Incremental_object_entry::add_comdat_group): New function.
3462         (Incremental_object_entry::get_comdat_group_count): New function.
3463         (Incremental_object_entry::get_comdat_signature_key): New function.
3464         (Incremental_object_entry::groups_): New data member.
3465         (Incremental_inputs::report_comdat_group): New function.
3466         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3467         data for incremental input file entry.
3468         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3469         (Incremental_input_entry_reader::get_input_section): Adjust size of
3470         data for incremental input file entry.
3471         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3472         (Incremental_input_entry_reader::get_comdat_group_signature): New
3473         function.
3474         * object.cc (Sized_relobj::include_section_group): Report kept
3475         COMDAT groups for incremental links.
3476
3477 2011-05-24  David Meyer  <pdox@google.com>
3478
3479         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3480         with name parameter.  Add found_name parameter.
3481         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3482         * dirsearch.h (class Dirsearch): Update declaration.
3483
3484 2011-05-24  Ian Lance Taylor  <iant@google.com>
3485
3486         * archive.cc (Library_base::should_include_member): Pull in object
3487         from archive if it defines the entry symbol.
3488         * parameters.cc (Parameters::entry): New function.
3489         * parameters.h (class Parameters): Declare entry.
3490         * output.h (class Output_file_header): Remove entry_ field.
3491         * output.cc (Output_file_header::Output_file_header): Remove entry
3492         parameter.  Change all callers.
3493         (Output_file_header::entry): Use parameters->entry.
3494         * gold.cc (queue_middle_tasks): Likewise.
3495         * plugin.cc (Plugin_hook::run): Likewise.
3496
3497 2011-05-24 Cary Coutant  <ccoutant@google.com>
3498
3499         * gold.cc (queue_initial_tasks): Pass incremental base filename
3500         to Output_file::open_base_file; don't print error message.
3501         * incremental-dump.cc (main): Adjust call to
3502         Output_file::open_for_modification.
3503         * incremental-dump.cc (main): Likewise.
3504         * incremental.cc (Incremental_inputs::report_command_line):
3505         Ignore --incremental-base option when comparing command lines.
3506         Ignore parameter when given as separate argument.
3507         * options.h (class General_options): Add --incremental-base.
3508         * output.cc (Output_file::Output_file):
3509         (Output_file::open_base_file): Add base_name and writable parameters;
3510         read base file into new file; print error message here.
3511         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3512         callers.
3513         * output.h (Output_file::open_for_modification): Rename to...
3514         (Output_file::open_base_file): ...this; add base_name and
3515         writable parameters; adjust all callers.
3516         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3517         callers.
3518         * testsuite/Makefile.am (incremental_test_4): Test
3519         --incremental-base.
3520         * testsuite/Makefile.in: Regenerate.
3521
3522 2011-05-24 Cary Coutant  <ccoutant@google.com>
3523
3524         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3525         incremental_test_4.
3526         * testsuite/Makefile.in: Regenerate.
3527         * testsuite/two_file_test_1_v1.cc: New test source file.
3528         * testsuite/two_file_test_1b_v1.cc: New test source file.
3529         * testsuite/two_file_test_2_v1.cc: New test source file.
3530
3531 2011-05-24 Cary Coutant  <ccoutant@google.com>
3532
3533         * dynobj.h (Dynobj::do_dynobj): New function.
3534         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3535         flag and soname for shared objects.
3536         * incremental.cc (Incremental_inputs::report_object): Make
3537         either Incremental_object_entry or Incremental_dynobj_entry; add
3538         soname to string table.
3539         (Incremental_inputs::report_input_section): Add assertion.
3540         (Output_section_incremental_inputs::set_final_data_size): Adjust
3541         type of input file entry for shared libraries; adjust size of
3542         shared library info entry.
3543         (Output_section_incremental_inputs::write_input_files): Write
3544         as_needed flag for shared libraries.
3545         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3546         of input file entry for shared libraries; write soname.
3547         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3548         soname from incremental info.
3549         * incremental.h (enum Incremental_input_flags): Add
3550         INCREMENTAL_INPUT_AS_NEEDED.
3551         (Incremental_input_entry::Incremental_input_entry): Initialize new
3552         data member.
3553         (Incremental_input_entry::set_as_needed): New function.
3554         (Incremental_input_entry::as_needed): New function.
3555         (Incremental_input_entry::do_dynobj_entry): New function.
3556         (Incremental_input_entry::as_needed_): New data member.
3557         (Incremental_object_entry::Incremental_object_entry): Don't check
3558         for shared library.
3559         (Incremental_object_entry::do_type): Likewise.
3560         (class Incremental_dynobj_entry): New class.
3561         (Incremental_input_entry_reader::as_needed): New function.
3562         (Incremental_input_entry_reader::get_soname): New function.
3563         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3564         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3565         size of shared library info entry.
3566         * layout.cc (Layout::finish_dynamic_section): Don't test for
3567         incremental link when adding DT_NEEDED entries.
3568         * object.h (Object::Object): Initialize new data member.
3569         (Object::dynobj): New function.
3570         (Object::set_as_needed): New function.
3571         (Object::as_needed): New function.
3572         (Object::do_dynobj): New function.
3573         (Object::as_needed_): New data member.
3574
3575 2011-05-24 Cary Coutant  <ccoutant@google.com>
3576
3577         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3578         info; adjust display of GOT entries.
3579         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3580         vector of input objects; remove file_status_.
3581         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3582         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3583         got_plt reader; call target hooks to reserve GOT entries.
3584         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3585         of input file info header and GOT info entry.
3586         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3587         relocation info.
3588         (Got_plt_view_info::got_descriptor): Remove.
3589         (Got_plt_view_info::sym_index): New data member.
3590         (Got_plt_view_info::input_index): New data member.
3591         (Local_got_offset_visitor::visit): Write input file index.
3592         (Global_got_offset_visitor::visit): Write 0 for input file index.
3593         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3594         with sym_index and input_index.
3595         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3596         incremental info GOT entry; replace got_descriptor with input_index.
3597         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3598         map from input file index to object.
3599         (Sized_relobj_incr::do_layout): Replace direct data member reference
3600         with accessor function.
3601         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3602         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3603         Adjust size of input file info header.
3604         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3605         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3606         (Incremental_input_entry_reader::get_input_section): Adjust size of
3607         input file info header.
3608         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3609         of incremental info GOT entry.
3610         (Incremental_got_plt_reader::get_got_desc): Remove.
3611         (Incremental_got_plt_reader::get_got_symndx): New function.
3612         (Incremental_got_plt_reader::get_got_input_index): New function.
3613         (Sized_incremental_binary::Sized_incremental_binary): Remove
3614         file_status_; add input_objects_.
3615         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3616         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3617         (Sized_incremental_binary::file_is_unchanged): Remove.
3618         (Sized_incremental_binary::set_input_object): New function.
3619         (Sized_incremental_binary::input_object): New function.
3620         (Sized_incremental_binary::file_status_): Remove.
3621         (Sized_incremental_binary::input_objects_): New data member.
3622         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3623         references.
3624         (Sized_relobj_incr::invalid_address): Move to base class.
3625         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3626         class.
3627         (Sized_relobj_incr::do_output_section_offset): Likewise.
3628         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3629         (Sized_relobj_incr::section_offsets_): Likewise.
3630         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3631         function.
3632         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3633         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3634         with accessor function.
3635         (Sized_relobj_file::do_layout): Likewise.
3636         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3637         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3638         (Sized_relobj_file::compute_final_local_value): Replace refs to
3639         section_offsets_ with accessor function.
3640         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3641         * object.h (Relobj::Relobj): Initialize new data members.
3642         (Relobj::add_dyn_reloc): New function.
3643         (Relobj::first_dyn_reloc): New function.
3644         (Relobj::dyn_reloc_count): New function.
3645         (Relobj::first_dyn_reloc_): New data member.
3646         (Relobj::dyn_reloc_count_): New data member.
3647         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3648         references.
3649         (Sized_relobj::Address): New typedef.
3650         (Sized_relobj::invalid_address): Move here from child class.
3651         (Sized_relobj::Sized_relobj): Initialize new data members.
3652         (Sized_relobj::sized_relobj): New function.
3653         (Sized_relobj::is_output_section_offset_invalid): Move here from
3654         child class.
3655         (Sized_relobj::get_output_section_offset): Likewise.
3656         (Sized_relobj::local_has_got_offset): Likewise.
3657         (Sized_relobj::local_got_offset): Likewise.
3658         (Sized_relobj::set_local_got_offset): Likewise.
3659         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3660         (Sized_relobj::clear_got_offsets): New function.
3661         (Sized_relobj::section_offsets): Move here from child class.
3662         (Sized_relobj::do_output_section_offset): Likewise.
3663         (Sized_relobj::do_set_section_offset): Likewise.
3664         (Sized_relobj::Local_got_offsets): Likewise.
3665         (Sized_relobj::local_got_offsets_): Likewise.
3666         (Sized_relobj::section_offsets_): Likewise.
3667         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3668         references.
3669         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3670         class.
3671         (Sized_relobj_file::sized_relobj): New function
3672         (Sized_relobj_file::local_has_got_offset): Move to base class.
3673         (Sized_relobj_file::local_got_offset): Likewise.
3674         (Sized_relobj_file::set_local_got_offset): Likewise.
3675         (Sized_relobj_file::get_output_section_offset): Likewise.
3676         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3677         (Sized_relobj_file::do_output_section_offset): Likewise.
3678         (Sized_relobj_file::do_set_section_offset): Likewise.
3679         (Sized_relobj_file::Local_got_offsets): Likewise.
3680         (Sized_relobj_file::local_got_offsets_): Likewise.
3681         (Sized_relobj_file::section_offsets_): Likewise.
3682         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3683         (all constructors).
3684         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3685         (Output_reloc::get_symbol_index): Likewise.
3686         (Output_reloc::local_section_offset): Likewise.
3687         (Output_reloc::get_address): Likewise.
3688         (Output_reloc::symbol_value): Likewise.
3689         (Output_data_got::reserve_slot): Move to class definition.
3690         (Output_data_got::reserve_local): New function.
3691         (Output_data_got::reserve_slot_for_global): Remove.
3692         (Output_data_got::reserve_global): New function.
3693         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3694         (all constructors, two instantiations).
3695         (Output_reloc::get_relobj): New function (two instantiations).
3696         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3697         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3698         (Output_data_reloc::add_global): Adjust type of relobj.
3699         (Output_data_reloc::add_global_relative): Likewise.
3700         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3701         (Output_data_reloc::add_local): Likewise.
3702         (Output_data_reloc::add_local_relative): Likewise.
3703         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3704         (Output_data_reloc::add_local_section): Likewise.
3705         (Output_data_reloc::add_output_section): Likewise.
3706         (Output_data_reloc::add_absolute): Likewise.
3707         (Output_data_reloc::add_target_specific): Likewise.
3708         (Output_data_got::reserve_slot): Move definition here.
3709         (Output_data_got::reserve_local): New function.
3710         (Output_data_got::reserve_global): New function.
3711         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3712         section_offsets_ with accessor function.
3713         (Sized_relobj_file::write_sections): Likewise.
3714         (Sized_relobj_file::do_relocate_sections): Likewise.
3715         * target.h (Sized_target::reserve_local_got_entry): New function.
3716         (Sized_target::reserve_global_got_entry): New function.
3717         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3718         (Target_x86_64::reserve_global_got_entry): New function.
3719         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3720
3721 2011-05-23 Cary Coutant  <ccoutant@google.com>
3722
3723         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3724         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3725         bit when checking got_type.
3726         * incremental.cc (Sized_incremental_binary::setup_readers):
3727         Store symbol table and string table locations; initialize bit vector
3728         of file status flags.
3729         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3730         unchanged files.
3731         (Sized_incremental_binary::do_process_got_plt): New function.
3732         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3733         (Output_section_incremental_inputs::set_final_data_size): Record
3734         file index for each input file.
3735         (Output_section_incremental_inputs::write_got_plt): Store file index
3736         instead of input entry offset for each GOT entry.
3737         * incremental.h
3738         (Incremental_input_entry::Incremental_input_entry): Initialize new
3739         data member.
3740         (Incremental_input_entry::set_offset): Store file index.
3741         (Incremental_input_entry::get_file_index): New function.
3742         (Incremental_input_entry::file_index_): New data member.
3743         (Incremental_binary::process_got_plt): New function.
3744         (Incremental_binary::do_process_got_plt): New function.
3745         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3746         data members.
3747         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3748         (Sized_incremental_binary::set_file_is_unchanged): New function.
3749         (Sized_incremental_binary::file_is_unchanged): New function.
3750         (Sized_incremental_binary::do_process_got_plt): New function.
3751         (Sized_incremental_binary::file_status_): New data member.
3752         (Sized_incremental_binary::main_symtab_loc_): New data member.
3753         (Sized_incremental_binary::main_strtab_loc_): New data member.
3754         * output.cc (Output_data_got::Got_entry::write): Add case
3755         RESERVED_CODE.
3756         (Output_data_got::add_global): Call add_got_entry.
3757         (Output_data_got::add_global_plt): Likewise.
3758         (Output_data_got::add_global_with_rel): Likewise.
3759         (Output_data_got::add_global_with_rela): Likewise.
3760         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3761         (Output_data_got::add_global_pair_with_rela): Likewise.
3762         (Output_data_got::add_local): Call add_got_entry.
3763         (Output_data_got::add_local_plt): Likewise.
3764         (Output_data_got::add_local_with_rel): Likewise.
3765         (Output_data_got::add_local_with_rela): Likewise.
3766         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3767         (Output_data_got::add_local_pair_with_rela): Likewise.
3768         (Output_data_got::reserve_slot): New function.
3769         (Output_data_got::reserve_slot_for_global): New function.
3770         (Output_data_got::add_got_entry): New function.
3771         (Output_data_got::add_got_entry_pair): New function.
3772         (Output_section::add_output_section_data): Edit FIXME.
3773         * output.h
3774         (Output_section_data_build::Output_section_data_build): New
3775         constructor with size parameter.
3776         (Output_data_space::Output_data_space): Likewise.
3777         (Output_data_got::Output_data_got): Initialize new data member; new
3778         constructor with size parameter.
3779         (Output_data_got::add_constant): Call add_got_entry.
3780         (Output_data_got::reserve_slot): New function.
3781         (Output_data_got::reserve_slot_for_global): New function.
3782         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3783         (Output_data_got::add_got_entry): New function.
3784         (Output_data_got::add_got_entry_pair): New function.
3785         (Output_data_got::free_list_): New data member.
3786         * target.h (Sized_target::init_got_plt_for_update): New function.
3787         (Sized_target::register_global_plt_entry): New function.
3788         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3789         Initialize new data member; call init; add constructor with PLT count.
3790         (Output_data_plt_x86_64::init): New function.
3791         (Output_data_plt_x86_64::add_relocation): New function.
3792         (Output_data_plt_x86_64::reserve_slot): New function.
3793         (Output_data_plt_x86_64::free_list_): New data member.
3794         (Target_x86_64::init_got_plt_for_update): New function.
3795         (Target_x86_64::register_global_plt_entry): New function.
3796         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3797         incremental updates.
3798         (Output_data_plt_x86_64::add_relocation): New function.
3799         * testsuite/object_unittest.cc (Object_test): Set default options.
3800
3801 2011-05-16  Ian Lance Taylor  <iant@google.com>
3802
3803         * options.h (class General_options): Make -i a synonym for -r.
3804
3805 2011-05-16  Ian Lance Taylor  <iant@google.com>
3806
3807         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3808
3809 2011-05-10 Cary Coutant  <ccoutant@google.com>
3810
3811         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3812         strip_all (-s).
3813
3814 2011-05-06  Ian Lance Taylor  <iant@google.com>
3815
3816         * layout.cc (Layout::layout): If the output section flags change,
3817         update the ordering.
3818
3819 2011-04-25 Cary Coutant  <ccoutant@google.com>
3820
3821         * incremental-dump.cc (dump_incremental_inputs): Print local
3822         symbol info for each input file.
3823         * incremental.cc
3824         (Output_section_incremental_inputs::set_final_data_size): Add local
3825         symbol info to input file entries in incremental info.
3826         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3827         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3828         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3829         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3830         implementation.
3831         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3832         (Sized_incr_relobj::do_relocate): Write the local symbols.
3833         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3834         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3835         Adjust size of input file header.
3836         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3837         (Incremental_inputs_reader::get_local_symbol_count): New function.
3838         (Incremental_inputs_reader::get_input_section): Adjust size of input
3839         file header.
3840         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3841         (Sized_incr_relobj::This): New typedef.
3842         (Sized_incr_relobj::sym_size): New const data member.
3843         (Sized_incr_relobj::Local_symbol): New struct.
3844         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3845         (Sized_incr_relobj::do_local_symbol_offset): New function.
3846         (Sized_incr_relobj::local_symbol_count_): New data member.
3847         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3848         (Sized_incr_relobj::local_symbol_index_): New data member.
3849         (Sized_incr_relobj::local_symbol_offset_): New data member.
3850         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3851         (Sized_incr_relobj::local_symbols_): New data member.
3852         * object.h (Relobj::output_local_symbol_count): New function.
3853         (Relobj::local_symbol_offset): New function.
3854         (Relobj::do_output_local_symbol_count): New function.
3855         (Relobj::do_local_symbol_offset): New function.
3856         (Sized_relobj::do_output_local_symbol_count): New function.
3857         (Sized_relobj::do_local_symbol_offset): New function.
3858
3859 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3860
3861         * descriptors.cc (set_close_on_exec): New function.
3862         (Descriptors::open): Use set_close_on_exec.
3863         * output.cc (S_ISLNK): Define if not defined.
3864
3865 2011-04-22 Cary Coutant  <ccoutant@google.com>
3866
3867         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3868         global symbol map.
3869         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3870         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3871         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3872         relocations.
3873         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3874         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3875         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3876         * incremental.h
3877         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3878         function.
3879         (Incremental_binary::apply_incremental_relocs): New function.
3880         (Incremental_binary::do_apply_incremental_relocs): New function.
3881         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3882         data member.
3883         (Sized_incremental_binary::add_global_symbol): New function.
3884         (Sized_incremental_binary::global_symbol): New function.
3885         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3886         (Sized_incremental_binary::symbol_map_): New data member.
3887         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3888         * target.h (Sized_target::apply_relocation): New function.
3889         * target-reloc.h (apply_relocation): New function.
3890         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3891
3892 2011-04-22  Doug Kwan  <dougkwan@google.com>
3893
3894         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3895         flag of a SHT_ARM_EXIDX section.
3896         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3897         * testsuite/Makefile.in: Regenerate.
3898         * testsuite/arm_exidx_test.s: New file.
3899         * testsuite/arm_exidx_test.sh: Same.
3900
3901 2011-04-20 Cary Coutant  <ccoutant@google.com>
3902
3903         PR gold/12689
3904         * archive.h (Incremental_archive_entry::Archive_member):
3905         Initialize arg_serial_ (second constructor).
3906
3907 2011-04-17  Ian Lance Taylor  <iant@google.com>
3908
3909         * object.cc (Relocate_info::location): Simplify location string.
3910         * errors.cc (Errors::error_at_location): Don't print program
3911         name.
3912         (Errors::warning_at_location): Likewise.
3913         (Errors::undefined_symbol): Likewise.
3914         * testsuite/debug_msg.sh: Update accordingly.
3915
3916 2011-04-14 Cary Coutant  <ccoutant@google.com>
3917
3918         * gold/layout.cc (Layout::symtab_section_offset): New function.
3919         * gold/layout.h (Layout::symtab_section_offset): New function.
3920         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3921
3922 2011-04-12  Ian Lance Taylor  <iant@google.com>
3923
3924         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3925         with MREMAP_MAYMOVE.
3926         * output.h (class Output_file): Add map_is_allocated_ field.
3927         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3928         not available, provide stubs.  If mremap is not available, #define
3929         it to gold_mremap.
3930         (MREMAP_MAYMOVE): Define if not defined.
3931         (Output_file::Output_file): Initialize map_is_allocated_.
3932         (Output_file::resize): Check map_is_allocated_.
3933         (Output_file::map_anonymous): If mmap fails, use malloc.
3934         (Output_file::unmap): Don't do anything for an anonymous map.
3935         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3936         is not available, provide stubs.
3937         (File_read::View::~View): Use free rather than delete[].
3938         (File_read::make_view): Use malloc rather than new[].  If mmap
3939         fails, use malloc.
3940         (File_read::find_or_make_view): Use malloc rather than new[].
3941         * gold.h: Remove HAVE_REMAP code.
3942         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3943         exists.  Rename mremap to gold_mremap.  If mmap is not available
3944         don't do anything.
3945         * configure, config.in: Rebuild.
3946
3947 2011-04-11  Ian Lance Taylor  <iant@google.com>
3948
3949         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3950         initialize local variable v.
3951
3952 2011-04-11  Cary Coutant  <ccoutant@google.com>
3953
3954         * archive.cc (Archive::include_member): Adjust call to
3955         report_object.
3956         (Add_archive_symbols::run): Track argument serial numbers.
3957         (Lib_group::include_member): Likewise.
3958         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3959         * archive.h (Incremental_archive_entry::Archive_member):
3960         Initialize arg_serial_.
3961         (Archive_member::arg_serial_): New data member.
3962         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3963         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3964         incremental link.
3965         (Sized_dynobj::do_for_all_local_got_entries): New function.
3966         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3967         function.
3968         * fileread.cc (get_mtime): New function.
3969         * fileread.h (get_mtime): New function.
3970         * gold.cc (queue_initial_tasks): Check for incremental update.
3971         (process_incremental_input): New function.
3972         (queue_middle_tasks): Don't force valid target for incremental
3973         update.
3974         * incremental-dump.cc (find_input_containing_global): Adjust
3975         size of symbol info entry.
3976         (dump_incremental_inputs): Dump argument serial number and
3977         in_system_directory flag; bias shndx by 1; print symbol names
3978         when dumping per-file symbol lists; use new symbol info readers.
3979         * incremental.cc
3980         (Output_section_incremental_inputs:update_data_size): New function.
3981         (Sized_incremental_binary::setup_readers): Setup input readers
3982         for each input file; build maps for files added from libraries
3983         and scripts.
3984         (Sized_incremental_binary::check_input_args): New function.
3985         (Sized_incremental_binary::do_check_inputs): Build map of argument
3986         serial numbers to input arguments.
3987         (Sized_incremental_binary::do_file_has_changed): Rename
3988         do_file_is_unchanged to this; compare file modification times.
3989         (Sized_incremental_binary::do_init_layout): New function.
3990         (Sized_incremental_binary::do_reserve_layout): New function.
3991         (Sized_incremental_binary::do_get_input_reader): Remove.
3992         (Sized_incremental_binary::get_symtab_view): New function.
3993         (Incremental_checker::can_incrementally_link_output_file): Remove.
3994         (Incremental_inputs::report_command_line): Exclude --debug options.
3995         (Incremental_inputs::report_archive_begin): Add parameter; track
3996         argument serial numbers; don't put input file entry for archive
3997         before archive members.
3998         (Incremental_inputs::report_archive_end): Put input file entry
3999         for archive after archive members.
4000         (Incremental_inputs::report_object): Add parameter; track argument
4001         serial numbers and in_system_directory flag.
4002         (Incremental_inputs::report_script): Add parameter; track argument
4003         serial numbers.
4004         (Output_section_incremental_inputs::set_final_data_size): Adjust
4005         size of symbol info entry; check for forwarding symbols.
4006         (Output_section_incremental_inputs::write_input_files): Write
4007         in_system_directory flag and argument serial number.
4008         (Output_section_incremental_inputs::write_info_blocks): Map section
4009         indices between incremental info and original input file; store
4010         input section index for each symbol.
4011         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4012         change operator() to visit().
4013         (class Global_got_offset_visitor): Likewise.
4014         (class Global_symbol_visitor_got_plt):
4015         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4016         classes.
4017         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4018         (Sized_incr_relobj::do_read_symbols): New function.
4019         (Sized_incr_relobj::do_layout): New function.
4020         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4021         (Sized_incr_relobj::do_add_symbols): New function.
4022         (Sized_incr_relobj::do_should_include_member): New function.
4023         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4024         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4025         (Sized_incr_relobj::do_section_size): New function.
4026         (Sized_incr_relobj::do_section_name): New function.
4027         (Sized_incr_relobj::do_section_contents): New function.
4028         (Sized_incr_relobj::do_section_flags): New function.
4029         (Sized_incr_relobj::do_section_entsize): New function.
4030         (Sized_incr_relobj::do_section_address): New function.
4031         (Sized_incr_relobj::do_section_type): New function.
4032         (Sized_incr_relobj::do_section_link): New function.
4033         (Sized_incr_relobj::do_section_info): New function.
4034         (Sized_incr_relobj::do_section_addralign): New function.
4035         (Sized_incr_relobj::do_initialize_xindex): New function.
4036         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4037         (Sized_incr_relobj::do_read_relocs): New function.
4038         (Sized_incr_relobj::do_gc_process_relocs): New function.
4039         (Sized_incr_relobj::do_scan_relocs): New function.
4040         (Sized_incr_relobj::do_count_local_symbols): New function.
4041         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4042         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4043         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4044         (Sized_incr_relobj::do_relocate): New function.
4045         (Sized_incr_relobj::do_set_section_offset): New function.
4046         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4047         (Sized_incr_dynobj::do_read_symbols): New function.
4048         (Sized_incr_dynobj::do_layout): New function.
4049         (Sized_incr_dynobj::do_add_symbols): New function.
4050         (Sized_incr_dynobj::do_should_include_member): New function.
4051         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4052         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4053         (Sized_incr_dynobj::do_section_size): New function.
4054         (Sized_incr_dynobj::do_section_name): New function.
4055         (Sized_incr_dynobj::do_section_contents): New function.
4056         (Sized_incr_dynobj::do_section_flags): New function.
4057         (Sized_incr_dynobj::do_section_entsize): New function.
4058         (Sized_incr_dynobj::do_section_address): New function.
4059         (Sized_incr_dynobj::do_section_type): New function.
4060         (Sized_incr_dynobj::do_section_link): New function.
4061         (Sized_incr_dynobj::do_section_info): New function.
4062         (Sized_incr_dynobj::do_section_addralign): New function.
4063         (Sized_incr_dynobj::do_initialize_xindex): New function.
4064         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4065         (make_sized_incremental_object): New function.
4066         (Incremental_library::copy_unused_symbols): New function.
4067         (Incremental_library::do_for_all_unused_symbols): New function.
4068         * incremental.h (enum Incremental_input_flags): New type.
4069         (class Incremental_checker): Remove.
4070         (Incremental_input_entry::Incremental_input_entry): Add argument
4071         serial number.
4072         (Incremental_input_entry::arg_serial): New function.
4073         (Incremental_input_entry::set_is_in_system_directory): New function.
4074         (Incremental_input_entry::is_in_system_directory): New function.
4075         (Incremental_input_entry::arg_serial_): New data member.
4076         (Incremental_input_entry::is_in_system_directory_): New data member.
4077         (class Script_info): Move here from script.h.
4078         (Script_info::Script_info): Add filename parameter.
4079         (Script_info::filename): New function.
4080         (Script_info::filename_): New data member.
4081         (Incremental_script_entry::Incremental_script_entry): Add argument
4082         serial number.
4083         (Incremental_object_entry::Incremental_object_entry): Likewise.
4084         (Incremental_object_entry::add_input_section): Build list of input
4085         sections with map to original shndx.
4086         (Incremental_object_entry::get_input_section_index): New function.
4087         (Incremental_object_entry::shndx_): New data member.
4088         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4089         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4090         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4091         serial number.
4092         (Incremental_inputs::report_archive_begin): Likewise.
4093         (Incremental_inputs::report_object): Likewise.
4094         (Incremental_inputs::report_script): Likewise.
4095         (class Incremental_global_symbol_reader): New class.
4096         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4097         and store flags and input file type.
4098         (Incremental_input_entry_reader::arg_serial): New function.
4099         (Incremental_input_entry_reader::type): Extract type from flags.
4100         (Incremental_input_entry_reader::is_in_system_directory): New function.
4101         (Incremental_input_entry_reader::get_input_section_count): Call
4102         accessor function for type.
4103         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4104         function for type; adjust size of global symbol entry.
4105         (Incremental_input_entry_reader::get_global_symbol_count): Call
4106         accessor function for type.
4107         (Incremental_input_entry_reader::get_object_count): Likewise.
4108         (Incremental_input_entry_reader::get_object_offset): Likewise.
4109         (Incremental_input_entry_reader::get_member_count): Likewise.
4110         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4111         (Incremental_input_entry_reader::get_member_offset): Likewise.
4112         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4113         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4114         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4115         (Incremental_input_entry_reader::get_global_symbol_reader): New
4116         function.
4117         (Incremental_input_entry_reader::get_output_symbol_index): New
4118         function.
4119         (Incremental_input_entry_reader::type_): Remove.
4120         (Incremental_input_entry_reader::flags_): New data member.
4121         (Incremental_inputs_reader::input_file_offset): New function.
4122         (Incremental_inputs_reader::input_file_index): New function.
4123         (Incremental_inputs_reader::input_file): Call input_file_offset.
4124         (Incremental_inputs_reader::input_file_at_offset): New function.
4125         (Incremental_relocs_reader::get_r_type): Reformat.
4126         (Incremental_relocs_reader::get_r_shndx): Reformat.
4127         (Incremental_relocs_reader::get_r_offset): Reformat.
4128         (Incremental_relocs_reader::data): New function.
4129         (Incremental_binary::Incremental_binary): Initialize new data members.
4130         (Incremental_binary::check_inputs): Add cmdline parameter.
4131         (Incremental_binary::file_is_unchanged): Remove.
4132         (Input_reader::arg_serial): New function.
4133         (Input_reader::get_unused_symbol_count): New function.
4134         (Input_reader::get_unused_symbol): New function.
4135         (Input_reader::do_arg_serial): New function.
4136         (Input_reader::do_get_unused_symbol_count): New function.
4137         (Input_reader::do_get_unused_symbol): New function.
4138         (Incremental_binary::input_file_count): New function.
4139         (Incremental_binary::get_input_reader): Change signature to use
4140         index instead of filename.
4141         (Incremental_binary::file_has_changed): New function.
4142         (Incremental_binary::get_input_argument): New function.
4143         (Incremental_binary::get_library): New function.
4144         (Incremental_binary::get_script_info): New function.
4145         (Incremental_binary::init_layout): New function.
4146         (Incremental_binary::reserve_layout): New function.
4147         (Incremental_binary::output_file): New function.
4148         (Incremental_binary::do_check_inputs): New function.
4149         (Incremental_binary::do_file_is_unchanged): Remove.
4150         (Incremental_binary::do_file_has_changed): New function.
4151         (Incremental_binary::do_init_layout): New function.
4152         (Incremental_binary::do_reserve_layout): New function.
4153         (Incremental_binary::do_input_file_count): New function.
4154         (Incremental_binary::do_get_input_reader): Change signature.
4155         (Incremental_binary::input_args_map_): New data member.
4156         (Incremental_binary::library_map_): New data member.
4157         (Incremental_binary::script_map_): New data member.
4158         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4159         new data members.
4160         (Sized_incremental_binary::output_section): New function.
4161         (Sized_incremental_binary::inputs_reader): Add const.
4162         (Sized_incremental_binary::symtab_reader): Add const.
4163         (Sized_incremental_binary::relocs_reader): Add const.
4164         (Sized_incremental_binary::got_plt_reader): Add const.
4165         (Sized_incremental_binary::get_symtab_view): New function.
4166         (Sized_incremental_binary::Inputs_reader): New typedef.
4167         (Sized_incremental_binary::Input_entry_reader): New typedef.
4168         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4169         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4170         (Sized_incremental_binary::do_file_has_changed): New function.
4171         (Sized_incremental_binary::do_init_layout): New function.
4172         (Sized_incremental_binary::do_reserve_layout): New function.
4173         (Sized_input_reader::Inputs_reader): Remove.
4174         (Sized_input_reader::Input_entry_reader): Remove.
4175         (Sized_input_reader::do_arg_serial): New function.
4176         (Sized_input_reader::do_get_unused_symbol_count): New function.
4177         (Sized_input_reader::do_get_unused_symbol): New function.
4178         (Sized_incremental_binary::do_input_file_count): New function.
4179         (Sized_incremental_binary::do_get_input_reader): Change signature;
4180         use index instead of filename.
4181         (Sized_incremental_binary::section_map_): New data member.
4182         (Sized_incremental_binary::input_entry_readers_): New data member.
4183         (class Sized_incr_relobj): New class.
4184         (class Sized_incr_dynobj): New class.
4185         (make_sized_incremental_object): New function.
4186         (class Incremental_library): New class.
4187         * layout.cc (Free_list::num_lists): New static data member.
4188         (Free_list::num_nodes): New static data member.
4189         (Free_list::num_removes): New static data member.
4190         (Free_list::num_remove_visits): New static data member.
4191         (Free_list::num_allocates): New static data member.
4192         (Free_list::num_allocate_visits): New static data member.
4193         (Free_list::init): New function.
4194         (Free_list::remove): New function.
4195         (Free_list::allocate): New function.
4196         (Free_list::dump): New function.
4197         (Free_list::print_stats): New function.
4198         (Layout_task_runner::run): Resize output file for incremental updates.
4199         (Layout::Layout): Initialize new data members.
4200         (Layout::set_incremental_base): New function.
4201         (Layout::init_fixed_output_section): New function.
4202         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4203         incremental updates.
4204         (Layout::create_gold_note): Do not create gold note section for
4205         incremental updates.
4206         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4207         for incremental updates.
4208         (Layout::set_section_offsets): For incremental updates, allocate space
4209         from free list.
4210         (Layout::create_symtab_sections): Layout with offsets relative to
4211         start of section; for incremental updates, allocate space from free
4212         list.
4213         (Layout::create_shdrs): For incremental updates, allocate space from
4214         free list.
4215         (Layout::finish_dynamic_section): For incremental updates, do not
4216         check --as-needed (fixed in subsequent patch).
4217         * layout.h (class Free_list): New class.
4218         (Layout::set_incremental_base): New function.
4219         (Layout::incremental_base): New function.
4220         (Layout::init_fixed_output_section): New function.
4221         (Layout::allocate): New function.
4222         (Layout::incremental_base_): New data member.
4223         (Layout::free_list_): New data member.
4224         * main.cc (main): Print Free_list statistics.
4225         * object.cc (Relobj::finalize_incremental_relocs): Add
4226         clear_counts parameter; clear counts only when clear_counts is set.
4227         (Sized_relobj::Sized_relobj): Initialize new base class.
4228         (Sized_relobj::do_layout): Don't report special sections.
4229         (Sized_relobj::do_for_all_local_got_entries): New function.
4230         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4231         symtab_off to all symbol table offsets.
4232         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4233         * object.h (class Got_offset_list): Move to top of file.
4234         (Object::Object): Allow case where input_file == NULL.
4235         (Object::~Object): Likewise.
4236         (Object::input_file): Assert that input_file != NULL.
4237         (Object::lock): Allow case where input_file == NULL.
4238         (Object::unlock): Likewise.
4239         (Object::is_locked): Likewise.
4240         (Object::token): Likewise.
4241         (Object::release): Likewise.
4242         (Object::is_incremental): New function.
4243         (Object::get_mtime): New function.
4244         (Object::for_all_local_got_entries): New function.
4245         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4246         (Object::set_is_in_system_directory): New function.
4247         (Object::is_in_system_directory): New function.
4248         (Object::do_is_incremental): New function.
4249         (Object::do_get_mtime): New function.
4250         (Object::do_for_all_local_got_entries): New function.
4251         (Object::is_in_system_directory_): New data member.
4252         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4253         (class Sized_relobj_base): New class.
4254         (class Sized_relobj): Derive from Sized_relobj_base.
4255         (class Sized_relobj::Symbols): Redeclare from base class.
4256         (class Sized_relobj::local_got_offset_list): Remove.
4257         (class Sized_relobj::Output_sections): Redeclare from base class.
4258         (class Sized_relobj::do_for_all_local_got_entries): New function.
4259         (class Sized_relobj::write_local_symbols): Add offset parameter.
4260         (class Sized_relobj::local_symbol_offset_): Update comment.
4261         (class Sized_relobj::local_dynsym_offset_): Update comment.
4262         * options.cc (Input_arguments::add_file): Remove const.
4263         * options.h (Input_file_argument::Input_file_argument):
4264         Initialize arg_serial_ (all constructors).
4265         (Input_file_argument::set_arg_serial): New function.
4266         (Input_file_argument::arg_serial): New function.
4267         (Input_file_argument::arg_serial_): New data member.
4268         (Input_arguments::Input_arguments): Initialize file_count_.
4269         (Input_arguments::add_file): Remove const.
4270         (Input_arguments::number_of_input_files): New function.
4271         (Input_arguments::file_count_): New data member.
4272         (Command_line::number_of_input_files): Call
4273         Input_arguments::number_of_input_files.
4274         * output.cc (Output_segment_headers::Output_segment_headers):
4275         Set current size.
4276         (Output_section::Input_section::current_data_size): New function.
4277         (Output_section::Output_section): Initialize new data members.
4278         (Output_section::add_input_section): Don't do merge sections for
4279         an incremental link; allocate space from free list for an
4280         incremental update.
4281         (Output_section::add_output_section_data): Allocate space from
4282         free list for an incremental update.
4283         (Output_section::update_data_size): New function.
4284         (Output_section::set_fixed_layout): New function.
4285         (Output_section::reserve): New function.
4286         (Output_segment::set_section_addresses): Remove const.
4287         (Output_segment::set_section_list_addresses): Remove const; allocate
4288         space from free list for an incremental update.
4289         (Output_segment::set_offset): Adjust size of RELRO segment for an
4290         incremental update.
4291         * output.h (Output_data::current_data_size): Move here from
4292         child classes.
4293         (Output_data::pre_finalize_data_size): New function.
4294         (Output_data::update_data_size): New function.
4295         (Output_section_headers::update_data_size): new function.
4296         (Output_section_data_build::current_data_size): Move to Output_data.
4297         (Output_data_strtab::update_data_size): New function.
4298         (Output_section::current_data_size): Move to Output_data.
4299         (Output_section::set_fixed_layout): New function.
4300         (Output_section::has_fixed_layout): New function.
4301         (Output_section::reserve): New function.
4302         (Output_section::update_data_size): New function.
4303         (Output_section::has_fixed_layout_): New data member.
4304         (Output_section::free_list_): New data member.
4305         (Output_segment::set_section_addresses): Remove const.
4306         (Output_segment::set_section_list_addresses): Remove const.
4307         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4308         New function.
4309         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4310         New function.
4311         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4312         parameter when calling Add_symbols constructor; store argument
4313         serial number for members of a lib group.
4314         (Add_symbols::locks): Allow case where token == NULL.
4315         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4316         (Read_member::~Read_member): New function.
4317         (Read_member::is_runnable): New function.
4318         (Read_member::locks): New function.
4319         (Read_member::run): New function.
4320         (Check_script::~Check_script): New function.
4321         (Check_script::is_runnable): New function.
4322         (Check_script::locks): New function.
4323         (Check_script::run): New function.
4324         (Check_library::~Check_library): New function.
4325         (Check_library::is_runnable): New function.
4326         (Check_library::locks): New function.
4327         (Check_library::run): New function.
4328         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4329         (Add_symbols::library_): New data member.
4330         (class Read_member): New class.
4331         (class Check_script): New class.
4332         (class Check_library): New class.
4333         * reloc.cc (Read_relocs::is_runnable): Allow case where
4334         token == NULL.
4335         (Read_relocs::locks): Likewise.
4336         (Scan_relocs::locks): Likewise.
4337         (Relocate_task::locks): Likewise.
4338         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4339         to clear counters.
4340         (Sized_relobj::incremental_relocs_scan): Fix comment.
4341         (Sized_relobj::do_relocate): Pass output file offset to
4342         write_local_symbols.
4343         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4344         from class declaration.
4345         * script.cc (read_input_script): Allocate Script_info; pass
4346         argument serial number to report_script.
4347         * script.h (class Script_info): Move to incremental.h.
4348         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4349         * symtab.h (Symbol_table::add_from_incrobj): New function.
4350         (Symbol_table::set_file_offset): New function.
4351
4352 2011-04-05  Cary Coutant  <ccoutant@google.com>
4353
4354         * incremental-dump.cc (dump_incremental_inputs): Change signature
4355         to take a Sized_incremental_binary; change caller.  Use readers
4356         in Sized_incremental_binary.
4357         * incremental.cc
4358         (Sized_incremental_binary::find_incremental_inputs_sections):
4359         Rename do_find_incremental_inputs_sections to this.
4360         (Sized_incremental_binary::setup_readers): New function.
4361         (Sized_incremental_binary::do_check_inputs): Check
4362         has_incremental_info_ flag; move setup code to setup_readers;
4363         use input readers.
4364         (Sized_incremental_binary::do_file_is_unchanged): New function.
4365         (Sized_incremental_binary::do_get_input_reader): New function.
4366         * incremental.h (class Incremental_binary): Move to end of file.
4367         (Incremental_binary::file_is_unchanged): New function.
4368         (Incremental_binary::do_file_is_unchanged): New function.
4369         (Incremental_binary::Input_reader): New class.
4370         (Incremental_binary::get_input_reader): New function.
4371         (class Sized_incremental_binary): Move to end of file.
4372         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4373         input section reader classes.
4374         (Sized_incremental_binary::has_incremental_info): New function.
4375         (Sized_incremental_binary::inputs_reader): New function.
4376         (Sized_incremental_binary::symtab_reader): New function.
4377         (Sized_incremental_binary::relocs_reader): New function.
4378         (Sized_incremental_binary::got_plt_reader): New function.
4379         (Sized_incremental_binary::do_file_is_unchanged): New function.
4380         (Sized_incremental_binary::Sized_input_reader): New class.
4381         (Sized_incremental_binary::get_input_reader): New function.
4382         (Sized_incremental_binary::find_incremental_inputs_sections):
4383         Rename do_find_incremental_inputs_sections to this.
4384         (Sized_incremental_binary::setup_readers): New function.
4385         (Sized_incremental_binary::has_incremental_info_): New data member.
4386         (Sized_incremental_binary::inputs_reader_): New data member.
4387         (Sized_incremental_binary::symtab_reader_): New data member.
4388         (Sized_incremental_binary::relocs_reader_): New data member.
4389         (Sized_incremental_binary::got_plt_reader_): New data member.
4390         (Sized_incremental_binary::current_input_file_): New data member.
4391
4392 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4393
4394         PR gold/12640
4395         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4396         violation.
4397
4398 2011-03-30  Cary Coutant  <ccoutant@google.com>
4399
4400         * archive.cc (Archive::include_member): Adjust call to report_object.
4401         (Add_archive_symbols::run): Add script_info to call to
4402         report_archive_begin.
4403         (Lib_group::include_member): Adjust call to report_object.
4404         (Add_lib_group_symbols::run): Adjust call to report_object.
4405         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4406         blocks.  Add object count for script input files.
4407         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4408         script_info parameter; change all callers.
4409         (Incremental_inputs::report_object): Add script_info parameter;
4410         change all callers.
4411         (Incremental_inputs::report_script): Store backpointer to
4412         incremental info entry.
4413         (Output_section_incremental_inputs::set_final_data_size): Record
4414         additional information for scripts.
4415         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4416         * incremental.h (Incremental_script_entry::add_object): New function.
4417         (Incremental_script_entry::get_object_count): New function.
4418         (Incremental_script_entry::get_object): New function.
4419         (Incremental_script_entry::objects_): New data member; adjust
4420         constructor.
4421         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4422         (Incremental_inputs::report_object): Add script_info parameter.
4423         (Incremental_inputs_reader::get_object_count): New function.
4424         (Incremental_inputs_reader::get_object_offset): New function.
4425         * options.cc (Input_arguments::add_file): Return reference to
4426         new input argument.
4427         * options.h (Input_argument::set_script_info): New function.
4428         (Input_argument::script_info): New function.
4429         (Input_argument::script_info_): New data member; adjust all
4430         constructors.
4431         (Input_file_group::add_file): Return reference to new input argument.
4432         (Input_file_lib::add_file): Likewise.
4433         (Input_arguments::add_file): Likewise.
4434         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4435         * script.cc (Parser_closure::Parser_closure): Add script_info
4436         parameter; adjust all callers.
4437         (Parser_closure::script_info): New function.
4438         (Parser_closure::script_info_): New data member.
4439         (read_input_script): Report scripts earlier to incremental info.
4440         (script_add_file): Set script_info in Input_argument.
4441         (script_add_library): Likewise.
4442         * script.h (Script_options::Script_info): Rewrite class.
4443
4444 2011-03-29  Cary Coutant  <ccoutant@google.com>
4445
4446         * archive.cc (Library_base::should_include_member): Move
4447         method here from class Archive.
4448         (Archive::Archive): Initialize base class.
4449         (Archive::should_include_member): Move to base class.
4450         (Archive::do_for_all_unused_symbols): New function.
4451         (Add_archive_symbols::run): Remove redundant access to
4452         incremental_inputs.
4453         (Lib_group::Lib_group): Initialize base class.
4454         (Lib_group::do_filename): New function.
4455         (Lib_group::include_member): Pass pointer to Lib_group to
4456         report_object.
4457         (Lib_group::do_for_all_unused_symbols): New function.
4458         (Add_lib_group_symbols::run): Report archive information for
4459         incremental links.
4460         * archive.h (class Library_base): New base class.
4461         (class Archive): Derive from Library_base.
4462         (Archive::filename): Move to base class.
4463         (Archive::set_incremental_info): Likewise.
4464         (Archive::incremental_info): Likewise.
4465         (Archive::Should_include): Likewise.
4466         (Archive::should_include_member): Likewise.
4467         (Archive::Armap_entry): Remove.
4468         (Archive::Unused_symbol_iterator): Remove.
4469         (Archive::unused_symbols_begin): Remove.
4470         (Archive::unused_symbols_end): Remove.
4471         (Archive::do_filename): New function.
4472         (Archive::do_get_mtime): New function.
4473         (Archive::do_for_all_unused_symbols): New function.
4474         (Archive::task_): Move to base class.
4475         (Archive::incremental_info_): Likewise.
4476         (class Lib_group): Derive from Library_base.
4477         (Lib_group::do_filename): New function.
4478         (Lib_group::do_get_mtime): New function.
4479         (Lib_group::do_for_all_unused_symbols): New function.
4480         (Lib_group::task_): Move to base class.
4481         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4482         function.
4483         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4484         function.
4485         * incremental.cc (Incremental_inputs::report_archive_begin):
4486         Use Library_base; call library's get_mtime; add incremental inputs
4487         entry before members.
4488         (class Unused_symbol_visitor): New class.
4489         (Incremental_inputs::report_archive_end): Use Library_base; use
4490         visitor class to record unused symbols; don't add incremental inputs
4491         entry after members.
4492         (Incremental_inputs::report_object): Use Library_base.
4493         * incremental.h
4494         (Incremental_archive_entry::Incremental_archive_entry): Remove
4495         unused Archive parameter.
4496         (Incremental_inputs::report_archive_begin): Use Library_base.
4497         (Incremental_inputs::report_archive_end): Likewise.
4498         (Incremental_inputs::report_object): Likewise.
4499         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4500         function.
4501         * object.h (Object::for_all_global_symbols): New function.
4502         (Object::do_for_all_global_symbols): New function.
4503         (Sized_relobj::do_for_all_global_symbols): New function.
4504         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4505         function.
4506         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4507         function.
4508
4509 2011-03-27  Ian Lance Taylor  <iant@google.com>
4510
4511         * archive.cc (Archive::interpret_header): Return -1 if something
4512         goes wrong.  Change callers accordingly.
4513
4514 2011-03-25  Cary Coutant  <ccoutant@google.com>
4515
4516         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4517         * testsuite/Makefile.in: Regenerate.
4518
4519 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4520
4521         * plugin.cc (get_view): New.
4522         (Plugin::load): Pass get_view to the plugin.
4523         (Plugin_manager::get_view): New.
4524
4525 2011-03-21  Ian Lance Taylor  <iant@google.com>
4526
4527         * testsuite/final_layout.sh: Rewrite to not use dc.
4528         * testsuite/relro_test.sh: Fail if dc is not present.
4529
4530 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4531
4532         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4533         Change == to -eq.
4534         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4535         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4536         Change == to -eq.
4537         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4538         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4539
4540 2011-03-14  Ian Lance Taylor  <iant@google.com>
4541
4542         * script-sections.cc (Sort_output_sections::script_compare):
4543         Rename from is_before, change return type.
4544         (Sort_output_sections::operator()): Adjust accordingly.
4545
4546 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4547
4548         PR gold/12572
4549         * testsuite/odr_violation2.cc: Add comment to make all error line
4550         numbers double digits.
4551         * testsuite/debug_msg.sh: Adjust expected errors.
4552
4553 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4554
4555         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4556         but mark earlier ones as non-canonical
4557         (offset_to_iterator): Update search target and example
4558         (do_addr2line): Return extra lines in a vector*
4559         (format_file_lineno): Extract from do_addr2line
4560         (one_addr2line): Add vector* out-param
4561         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4562         when a lineno entry appeared last for its instruction
4563         (Dwarf_line_info): Add vector* out-param
4564         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4565         * symtab.cc (Odr_violation_compare): Include the lineno in the
4566         comparison again.
4567         (linenos_from_loc): New. Combine the canonical line for an
4568         address with its other lines.
4569         (True_if_intersect): New. Helper functor to make
4570         std::set_intersection a query.
4571         (detect_odr_violations): Compare sets of lines instead of just
4572         one line for each function. This became less deterministic, but
4573         has fewer false positives.
4574         * symtab.h: Declarations.
4575         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4576         mix an optimized and non-optimized object in the same binary
4577         (odr_violation2.so): Same.
4578         * testsuite/Makefile.in: Regenerate from Makefile.am.
4579         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4580         * testsuite/debug_msg.sh: Update line numbers and add
4581         assertions.
4582         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4583         non-optimized context.
4584         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4585         isn't inlined, and use OdrDerived in an optimized context.
4586         * testsuite/odr_header1.h: Defines OdrDerived, where
4587         optimization will change the
4588         first-instruction-in-the-destructor's file and line number.
4589         * testsuite/odr_header2.h: Defines OdrBase.
4590
4591 2011-03-09  Ian Lance Taylor  <iant@google.com>
4592
4593         * fileread.cc (File_read::clear_views): Don't delete the whole
4594         file view.
4595
4596 2011-03-08  Ian Lance Taylor  <iant@google.com>
4597
4598         PR gold/12525
4599         * fileread.cc: #include <climits>.
4600         (GOLD_IOV_MAX): Define.
4601         (File_read::read_multiple): Limit number of entries by iov_max.
4602         * fileread.h (class File_read): Always set max_readv_entries to
4603         128.
4604
4605 2011-03-07  Ian Lance Taylor  <iant@google.com>
4606
4607         PR gold/12525
4608         * options.h (class General_options): Add -dy and -dn.
4609
4610 2011-03-02  Cary Coutant  <ccoutant@google.com>
4611
4612         * testsuite/script_test_9.t: Add TLS segment.
4613
4614 2011-03-02  Simon Baldwin  <simonb@google.com>
4615
4616         * configure.ac: Add check for gnu_indirect_function support in
4617         the toolchain building binutils.
4618         * configure: Rebuild.
4619
4620 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4621
4622         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4623         plugin only symbols.
4624         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4625         in plugin files as not needed in the symbol table.
4626
4627 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4628
4629         * output.cc (Output_section::add_input_section): Delay fill
4630         generation for section ordering.
4631
4632 2011-02-09  Ian Lance Taylor  <iant@google.com>
4633
4634         PR gold/12316
4635         * object.h (class Sized_relobj): Remove clear_local_symbols.
4636         * reloc.cc (Sized_relobj::do_relocate): Don't call
4637         clear_local_symbols.
4638
4639 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4640
4641         * plugin.cc (is_visible_from_outside): Return true for symbols
4642         in the -u option.
4643
4644 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4645
4646         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4647         filename.
4648
4649 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4650
4651         * icf.h (is_section_foldable_candidate): Change type of parameter
4652         to std::string.
4653         * icf.cc (Icf::find_identical_sections): Change type of local variable
4654         section_name to be std::string.
4655         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4656
4657 2011-01-25  Ian Lance Taylor  <iant@google.com>
4658
4659         * script.cc (script_add_extern): Rewrite to use
4660         add_symbol_reference.
4661
4662 2011-01-25  Doug Kwan  <dougkwan@google.com>
4663
4664         * icf.cc (get_section_contents): Always lock section's object.
4665
4666 2011-01-24  Ian Lance Taylor  <iant@google.com>
4667
4668         * options.h (class General_options): Accept
4669         --no-detect-odr-violations.
4670
4671 2011-01-24  Ian Lance Taylor  <iant@google.com>
4672
4673         * version.cc (version_string): Bump to 1.11.
4674
4675 2011-01-24  Ian Lance Taylor  <iant@google.com>
4676
4677         * plugin.cc (class Plugin_rescan): Define new class.
4678         (Plugin_manager::claim_file): Set any_claimed_.
4679         (Plugin_manager::save_archive): New function.
4680         (Plugin_manager::save_input_group): New function.
4681         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4682         necessary.
4683         (Plugin_manager::new_undefined_symbol): New function.
4684         (Plugin_manager::rescan): New function.
4685         (Plugin_manager::rescannable_defines): New function.
4686         (Plugin_manager::add_input_file): Set any_added_.
4687         * plugin.h (class Plugin_manager): define new fields rescannable_,
4688         undefined_symbols_, any_claimed_, and any_added_.  Declare
4689         Plugin_rescan as friend.  Declare new functions.
4690         (Plugin_manager::Rescannable): Define type.
4691         (Plugin_manager::Rescannable_list): Define type.
4692         (Plugin_manager::Undefined_symbol_list): Define type.
4693         (Plugin_manager::Plugin_manager): Initialize new fields.
4694         * archive.cc (Archive::defines_symbol): New function.
4695         (Add_archive_symbols::run): Pass archive to plugins if any.
4696         * archive.h (class Archive): Declare defines_symbol.
4697         * readsyms.cc (Input_group::~Input_group): New function.
4698         (Finish_group::run): Pass input_group to plugins if any.
4699         * readsyms.h (class Input_group): Declare destructor.
4700         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4701         any.
4702
4703 2011-01-10  Ian Lance Taylor  <iant@google.com>
4704
4705         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4706         section as relro.
4707         (Layout::set_segment_offsets): Reset increase_relro before calling
4708         set_section_addresses a second time.
4709
4710 2011-01-04  Cary Coutant  <ccoutant@google.com>
4711
4712         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4713         sections before NOBITS sections.
4714
4715 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4716
4717         * version.cc (print_version): Update copyright to 2011.
4718
4719 2010-12-23  Cary Coutant  <ccoutant@google.com>
4720
4721         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4722         of OS to this->add.  Add OD parameter to second form of the function.
4723
4724 2010-12-20  Ian Lance Taylor  <iant@google.com>
4725
4726         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4727         second of two consecutive entries with same offset.
4728
4729 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4730
4731         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4732         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4733         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4734         to avoid unneeded links against $(LDADD).
4735         * testsuite/Makefile.in: Regenerate.
4736
4737 2010-12-15  Ian Lance Taylor  <iant@google.com>
4738
4739         PR gold/12324
4740         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4741         for R_X86_64_32 and R_X86_64_PC32.
4742         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4743         ver_matching_def_pic.o.
4744         (ver_matching_def_pic.o): New target.
4745
4746 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4747
4748         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4749         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4750         Move definition before File_read::View member definitions.
4751         (File_read::View::~View): Initialize and hold lock before
4752         updating current_mapped_bytes.
4753
4754 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4755
4756         * dwarf_reader.cc: Remove outdated comment.
4757         * gold-threads.cc: Fix typo in error message.
4758         * archive.cc: Fix typos in comments.
4759         * archive.h: Likewise.
4760         * arm-reloc-property.cc: Likewise.
4761         * arm-reloc-property.h: Likewise.
4762         * arm-reloc.def: Likewise.
4763         * arm.cc: Likewise.
4764         * attributes.h: Likewise.
4765         * cref.cc: Likewise.
4766         * ehframe.cc: Likewise.
4767         * fileread.h: Likewise.
4768         * gold.h: Likewise.
4769         * i386.cc: Likewise.
4770         * icf.cc: Likewise.
4771         * incremental.h: Likewise.
4772         * int_encoding.cc: Likewise.
4773         * layout.h: Likewise.
4774         * main.cc: Likewise.
4775         * merge.h: Likewise.
4776         * object.cc: Likewise.
4777         * object.h: Likewise.
4778         * options.cc: Likewise.
4779         * readsyms.cc: Likewise.
4780         * reduced_debug_output.cc: Likewise.
4781         * reloc.cc: Likewise.
4782         * script-sections.cc: Likewise.
4783         * sparc.cc: Likewise.
4784         * symtab.h: Likewise.
4785         * target-reloc.h: Likewise.
4786         * target.cc: Likewise.
4787         * target.h: Likewise.
4788         * timer.cc: Likewise.
4789         * timer.h: Likewise.
4790         * x86_64.cc: Likewise.
4791
4792 2010-12-09  Cary Coutant  <ccoutant@google.com>
4793
4794         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4795         stack.
4796         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4797         parameter; change all callers.
4798         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4799         * options.h (warn_execstack): New option.
4800
4801 2010-12-07  Doug Kwan  <dougkwan@google.com>
4802
4803         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4804         like function call relocations.
4805
4806 2010-12-07  Ian Lance Taylor  <iant@google.com>
4807
4808         * archive.cc (Archive::get_elf_object_for_member): Permit
4809         punconfigured to be NULL.
4810         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4811         (Archive::include_member): Pass NULL to get_elf_object_for_member
4812         if we searched for the archive and this is the first included
4813         object.
4814
4815 2010-12-01  Ian Lance Taylor  <iant@google.com>
4816
4817         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4818         track_relocs_type_ field.
4819         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4820         Set track_relocs_type_.
4821         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4822         contents when using RELA relocs.
4823         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4824         reloc_map_.
4825         * reloc.cc (Track_relocs::next_addend): New function.
4826         * reloc.h (class Track_relocs): Declare next_addend.
4827
4828 2010-12-01  Ian Lance Taylor  <iant@google.com>
4829
4830         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4831         virtual destructor.
4832
4833 2010-12-01  Ian Lance Taylor  <iant@google.com>
4834
4835         * README: Update compilers known to work and fail.
4836
4837 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4838
4839         * configure.in: For --enable-gold, handle value `default' instead of
4840         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4841         not the default.
4842         * configure: Regenerate.
4843
4844 2010-11-18  Doug Kwan  <dougkwan@google.com>
4845
4846         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4847         and right_alignment to be zero.  Store result alignment only if it is
4848         greater than existing alignment.
4849
4850 2010-11-16  Cary Coutant  <ccoutant@google.com>
4851
4852         PR gold/12220
4853         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4854         Check for ".zdebug_line".
4855
4856 2010-11-16  Doug Kwan  <dougkwan@google.com>
4857             Cary Coutant  <ccoutant@google.com>
4858
4859         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4860         by reference; adjust all callers.
4861         * output.cc (Output_segment::set_section_addresses): Adjust references
4862         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4863         list is empty.
4864         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4865         end at page boundary.
4866
4867 2010-11-16  Cary Coutant  <ccoutant@google.com>
4868
4869         PR gold/12220
4870         * layout.cc (Layout::choose_output_section): Transform names of
4871         compressed sections even when using a script with a SECTIONS clause.
4872         (Layout::output_section_name): Remove code to transform
4873         compressed debug section names.
4874         * output.cc (Output_section::add_input_section): Use uncompressed
4875         section size when tracking input sections.
4876
4877 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4878
4879         * symtab.h (Symbol::NON_PIC_REF): Remove.
4880         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4881         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4882         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4883         (Symbol::use_plt_offset): Take a flags argument and pass it
4884         directly to needs_dynamic_reloc.  Restrict check for undefined
4885         weak symbols to function calls.
4886         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4887         (Target_arm::Scan::global): Use it.
4888         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4889         (Target_arm::Relocate::relocate): Likewise.
4890         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4891         parameter with an r_type parameter.  Use get_reference_flags
4892         to get the flags.
4893         (Target_arm::Relocate::relocate): Update accordingly.
4894         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4895         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4896         (Target_i386::Scan::global): Likewise.
4897         (Target_i386::Relocate::relocate): Likewise.
4898         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4899         parameter with an r_type parameter.  Use get_reference_flags
4900         to get the flags.
4901         (Target_i386::Relocate::relocate): Update accordingly.
4902         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4903         (Target_powerpc::Scan::global): Use it.
4904         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4905         (Target_powerpc::Relocate::relocate): Likewise.
4906         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4907         (Target_sparc::Scan::global): Use it.
4908         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4909         (Target_sparc::Relocate::relocate): Likewise.
4910         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4911         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4912         (Target_x86_64::Scan::global): Likewise.
4913         (Target_x86_64::Relocate::relocate): Likewise.
4914
4915 2010-11-08  Doug Kwan  <dougkwan@google.com>
4916             Cary Coutant  <ccoutant@google.com>
4917
4918         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4919         (Arm_exidx_merge_section::section_contents_): New data member.
4920         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4921         (Arm_input_section::~Arm_input_section): De-allocate memory.
4922         (Arm_input_section::original_contents_): New data member.
4923         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4924         in parameters instead of calling Object::section_contents without
4925         locking.
4926         (Arm_output_section::group_section): New parameter TASK.  Pass it
4927         to callees that need locking objects.
4928         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4929         to lock EXIDX input sections.  Fix a formatting issue.  Call
4930         Arm_exidx_merged_section::build_contents to create merged section
4931         contents.
4932         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4933         to lock object of stub table owner.
4934         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4935         TEXT_SIZE to initialize data member TEXT_SIZE_.
4936         (Arm_exidx_input_section::addralign): Fix typo in comment.
4937         (Arm_exidx_input_section::text_size): New method.
4938         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4939         that require locking objects.  Lock objects before scanning for stubs
4940         and updating local symbols.
4941         (Arm_input_section<big_endian>::init): Copy contents of original
4942         input section.
4943         (Arm_input_section<big_endian>::do_write): Use saved contents of
4944         original input section instead of calling Object::section_contents
4945         without locking.
4946         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4947         size without calling Object::section_size().
4948         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4949         for size.  Allocate a buffer for merged EXIDX entries.
4950         (Arm_exidx_merged_section::build_contents): New method.
4951         (Arm_exidx_merged_section::do_write): Move merge section contents
4952         building code to Arm_exidx_merged_section::build_contetns.  Write
4953         out contetns in buffer instead of building it on the fly.
4954         (Arm_relobj::make_exidx_input_section): Also pass text section size
4955         to Arm_exidx_input_section constructor.
4956         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4957         (Arm_dynobj::do_read_symbols): Fix memory leak.
4958         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4959         * target.h: (class Task): Add forward declaration.
4960         (Target::relax): Add new parameter TASK and pass it to
4961         Target::do_relax().
4962         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4963
4964 2010-11-05  Cary Coutant  <ccoutant@google.com>
4965
4966         PR gold/10708
4967         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4968         object when reading from the file.
4969         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4970         second layout pass.
4971         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4972         when reading section contents.
4973         (get_section_contents): Likewise.
4974         (icf::find_identical_sections): Likewise.
4975         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4976         object when reading from the file.
4977         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4978         the object when doing deferred section layout.
4979
4980 2010-11-03  Nick Clifton  <nickc@redhat.com>
4981
4982         PR gold/12001
4983         * script.h (class Symbol_assignment: name): New member.  Returns
4984         the name of the symbol.
4985         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4986         Returns true if the given symbol name is on the list of
4987         assignments wating to be processed.
4988         * archive.cc (should_incldue_member): If the symbol is undefined,
4989         check to see if it is on the list of symbols pending assignment.
4990
4991 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4992
4993         * script-sections.cc (Script_sections::find_memory_region): Check
4994         for a NULL output section pointer.
4995
4996 2010-10-29  Doug Kwan  <dougkwan@google.com>
4997
4998         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4999         Output_section::add_relaxed_input_section.
5000         * output.cc (Output_section::add_relaxed_input_section): Add new
5001         arguments LAYOUT and NAME.  Set section order index.
5002         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5003         Copy section order index.
5004         * output.h (Output_section::add_relaxed_input_section): Add new
5005         arguments LAYOUT and NAME.
5006
5007 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5008
5009         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5010         NATIVE_OR_CROSS_LINKER.
5011         * testsuite/Makefile.in: Regenerate.
5012
5013 2010-10-20  Doug Kwan  <dougkwan@google.com>
5014
5015         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5016         without SHF_LINK_ORDER flags.
5017         * layout.cc (Layout::choose_output_section): Do not filter
5018         SHF_LINK_ORDER flag in a relocatable link.
5019
5020 2010-10-17  Cary Coutant  <ccoutant@google.com>
5021
5022         * output.h (Output_segment::set_section_addresses): Change function
5023         signature.  Update all callers.
5024         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5025         sections.
5026         (Output_segment::set_section_addresses): Align after last TLS
5027         section.  Add padding before last relro section instead of after.
5028
5029 2010-10-17  Doug Kwan  <dougkwan@google.com>
5030
5031         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5032         GOT output section to be writable.
5033
5034 2010-10-14  Cary Coutant  <ccoutant@google.com>
5035
5036         * debug.h (DEBUG_INCREMENTAL): New flag.
5037         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5038         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5039         mode.
5040         * incremental.cc (report_command_line): Ignore all forms of
5041         --incremental.
5042         * layout.cc (Layout::Layout): Check parameters for incremental link
5043         mode.
5044         * options.cc (General_options::parse_incremental): New function.
5045         (General_options::parse_no_incremental): New function.
5046         (General_options::parse_incremental_full): New function.
5047         (General_options::parse_incremental_update): New function.
5048         (General_options::incremental_mode_): New data member.
5049         (General_options::finalize): Check incremental_mode_.
5050         * options.h (General_options): Update help text for --incremental.
5051         Add --no-incremental, --incremental-full, --incremental-update.
5052         (General_options::Incremental_mode): New enum type.
5053         (General_options::incremental_mode): New function.
5054         (General_options::incremental_mode_): New data member.
5055         * parameters.cc (Parameters::incremental_mode_): New data member.
5056         (Parameters::set_options): Set incremental_mode_.
5057         (Parameters::set_incremental_full): New function.
5058         (Parameters::incremental): New function.
5059         (Parameters::incremental_update): New function.
5060         (set_parameters_incremental_full): New function.
5061         * parameters.h (Parameters::set_incremental_full): New function.
5062         (Parameters::incremental): New function.
5063         (Parameters::incremental_update): New function.
5064         (Parameters::incremental_mode_): New data member.
5065         (set_parameters_incremental_full): New function.
5066         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5067         incremental link mode.
5068         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5069         (Sized_relobj::do_relocate_sections): Likewise.
5070         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5071         option.
5072         * testsuite/Makefile.in: Regenerate.
5073         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5074
5075 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5076
5077         * script-sections.h (class Script_sections): Make
5078         Sections_elements typedef public.
5079         * script-sections.cc (class Sort_output_sections): Add elements_
5080         field.  Add constructor which sets it; change all callers.
5081         (Sort_output_sections::is_before): New function.
5082         (Sort_output_sections::operator()): Call is_before.
5083         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5084         conditional.
5085         * testsuite/script_test_10.sh: New test. Test script section
5086         order.
5087         * testsuite/script_test_10.t: Likewise.
5088         * testsuite/script_test_10.s: Likewise.
5089         * testsuite/Makefile.am: Wrap the cross linker tests and the
5090         common tests into NATIVE_OR_CROSS_LINKER.
5091         (check_SCRIPTS): Add script_test_10.sh.
5092         (check_DATA): Add script_test_10.stdout.
5093         (script_test_10.o, script_test_10): New targets.
5094         (script_test_10.stdout): New target.
5095         * configure, testsuite/Makefile.in: Regenerate.
5096
5097 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5098
5099         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5100         error for the deprecated relocations.
5101         (Target_arm::Scan::global): Likewise.
5102         (Target_arm::Relocate::relocate): Likewise.
5103
5104 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5105
5106         * fileread.cc (Input_file::find_file): Initialize *found_name
5107         and *namep when using the fallback search for case 4.
5108
5109 2010-10-11  Cary Coutant  <ccoutant@google.com>
5110
5111         * options.h (class General_options): Redefine -z lazy as an alias for
5112         the negation of -z now.
5113
5114 2010-10-11  Ian Lance Taylor  <iant@google.com>
5115
5116         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5117         binding.
5118
5119 2010-10-06  Nick Clifton  <nickc@redhat.com>
5120
5121         * script-sections.cc(class Memory_region): Remove
5122         current_lma_offset_ field.  Rename current_vma_offset_ to
5123         current_offset_.  Add last_section_ field.
5124         (Memory_region::get_current_vma_address): Rename to
5125         get_current_address.
5126         (Memory_region::get_current_lma_address): Delete.
5127         (Memory_region::increment_vma_offset): Rename to
5128         increment_offset.
5129         (Memory_region::increment_lma_offset): Delete.
5130         (Memory_region::attributes_compatible): New method.  Returns
5131         true if the provided section is compatible with the region.
5132         (Memory_region::get_last_section): New method.  Returns the last
5133         section to use the region.
5134         (Memory_region::set_last_section): New method.  Stores the last
5135         section to use the region.
5136         (Script_sections::block_in_region): New method.  Returns true if
5137         a block of memory is contained within a region.
5138         (Script_sections::find_memory_region): New method.  Locates a
5139         memory region to be used to set a VMA or LMA address.
5140         (Output_section_definition::set_section_addresses): Add code to
5141         check for addresses set by memory regions.
5142         (Output_segment::set_section_addresses): Remove memory region
5143         walking code.
5144         (Script_sections::create_segment): Add a warning if a header
5145         segment is created outside of any region.
5146         * script-sections.h (class Script_sections): Add prototypes for
5147         find_memory_region and block_in_region methods.
5148         * testsuite/memory_test.s: Use .long instead of .word.
5149         * testsuite/memory_test.t: Add some more output sections.
5150         * testsuite/memory_test.sh: Update expected output.
5151
5152 2010-10-02  Doug Kwan  <dougkwan@google.com>
5153
5154         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5155         defintion to symtab.h
5156         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5157         declaration to defintion.
5158
5159 2010-10-01  Nick Clifton  <nickc@redhat.com>
5160
5161         * expression.cc (eval): Replace dummy argument with NULL.
5162         (eval_maybe_dot): Check for a NULL result section pointer.
5163         (Symbol_expression::value): Likewise.
5164         (Dot_expression::value): Likewise.
5165         (BINARY_EXPRESSION): Likewise.
5166         (Max_expression::value): Likewise.
5167         (Min_expression::value): Likewise.
5168         (Absolute_expression::value): Likewise.
5169         (Addr_expression::value_from_output_section): Likewise.
5170         (Loaddddr_expression::value_from_output_section): Likewise.
5171         (Segment_start_expression::value): Likewise.
5172         * script-sections.cc
5173         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5174         argument with NULL.
5175         (Sections_elememt_dot_assignment::set_section_addresses):
5176         Likewise.
5177         (Output_data_expression::do_write_to_buffer): Likewise.
5178         (Output_section_definition::finalize_symbols): Likewise.
5179         (Output_section_definition::set_section_addresses): Likewise.
5180
5181 2010-09-30  Doug Kwan  <dougkwan@google.com>
5182
5183         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5184
5185 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5186
5187         * target.h (Target::can_icf_inline_merge_sections): New virtual
5188         function.
5189         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5190         virtual function.
5191         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5192         virtual function.
5193         * icf.cc (get_section_contents): Inline merge sections only when
5194         target allows it.
5195
5196 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5197
5198         * configure: Regenerate.
5199
5200 2010-09-17  Ian Lance Taylor  <iant@google.com>
5201
5202         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5203         * testsuite/Makefile.am (memory_test.o): New target.
5204         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5205         memory_test.t.
5206         * testsuite/Makefile.in: Rebuild.
5207
5208 2010-09-17  Doug Kwan  <dougkwan@google.com>
5209
5210         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5211         defintion if relocation uses GOT entries of the symbol.
5212         * testsuite/icf_safe_test.sh: Fix test.
5213         * testsuite/icf_safe_so_test.sh: Fix test.
5214
5215 2010-09-16  Cary Coutant  <ccoutant@google.com>
5216
5217         * script_sections.cc (class Memory_region): Remove "NULL" from
5218         vector initializations.
5219
5220 2010-09-15  Cary Coutant  <ccoutant@google.com>
5221
5222         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5223         Resolve forwarding symbols.
5224
5225 2010-09-15  Doug Kwan  <dougkwan@google.com>
5226
5227         * gold/testsuite/script_test_3.t: Add ARM special sections.
5228         * gold/testsuite/script_test_4.t: Same.
5229         * gold/testsuite/script_test_5.t: Same.
5230         * gold/testsuite/script_test_6.t: Same.
5231         * gold/testsuite/script_test_7.t: Same.
5232         * gold/testsuite/script_test_7.t: Same.
5233         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5234
5235 2010-09-14  Cary Coutant  <ccoutant@google.com>
5236
5237         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5238         (Target_x86_64::Relocate::relocate_tls): Replace check for
5239         saw_tls_block_reloc_ with test for executable section.
5240
5241 2010-09-12  Cary Coutant  <ccoutant@google.com>
5242
5243         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5244         position-independent executables to shared libraries need dynamic
5245         relocations.
5246         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5247         position-independent executables.
5248         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5249         * testsuite/Makefile.in: Regenerate.
5250
5251 2010-09-10  Nick Clifton  <nickc@redhat.com>
5252
5253         PR gold/11997
5254         * testsuite/memory_test.t: Discard any sections that are not
5255         needed.
5256
5257 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5258
5259         PR gold/11996
5260         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5261         "This::" to work around a bug in gcc 4.2.
5262
5263         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5264
5265 2010-09-09  Rafael Espindola  <espindola@google.com>
5266
5267         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5268         sections with different PF_X flags in the same segment.
5269         (Layout::find_first_load_seg): Search all segments to find the first
5270         one.
5271         * options.h (rosegment): New.
5272
5273 2010-09-08  Rafael Espindola  <espindola@google.com>
5274
5275         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5276
5277 2010-09-08  Doug Kwan  <dougkwan@google.com>
5278
5279         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5280         (Arm_relobj::do_relocate_sections): Add new parameter for output
5281         file to match the parent.
5282         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5283         of local symbols instead of input values.  Update code to track
5284         changes in gold::relocate_section.
5285         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5286         (Sized_relobj::compute_final_local_value_internal): New methods.
5287         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5288         body into private version of Sized_relobj::compute_final_local_value.
5289         Call the inline method.
5290         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5291         merged symbol value if there is one.
5292         (Symbol_value::has_output_value): New method defintiion.
5293         (Sized_relobj::Compute_final_local_value_status): New enum type.
5294         (Sized_relobj::compute_final_local_value): New methods.
5295         (Sized_relobj::compute_final_local_value_internal): New methods.
5296         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5297         and arm_cortex_a8.sh.
5298         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5299         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5300         New tests.
5301         * Makefile.in: Regenerate.
5302         * testsuite/arm_bl_out_of_range.s: Update test.
5303         * testsuite/thumb_bl_out_of_range.s: Ditto.
5304         * testsuite/thumb_blx_out_of_range.s: Ditto.
5305         * testsuite/arm_branch_out_of_range.sh: New file.
5306         * testsuite/arm_cortex_a8.sh: Ditto.
5307         * testsuite/arm_cortex_a8_b.s: Ditto.
5308         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5309         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5310         * testsuite/arm_cortex_a8_bl.s: Ditto.
5311         * testsuite/arm_cortex_a8_blx.s: Ditto.
5312         * testsuite/arm_cortex_a8_local.s: Ditto.
5313         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5314         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5315
5316 2010-09-08  Rafael Espindola  <espindola@google.com>
5317
5318         * Makefile.am (memory_test.stdout): Run readelf with -W.
5319         * Makefile.in: Regenerate.
5320         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5321         64 bit output.
5322
5323 2010-09-08  Rafael Espindola  <espindola@google.com>
5324
5325         * script-sections.cc (Script_sections::add_memory_region): Convert
5326         field precision to int.
5327         * script.cc (script_set_section_region, script_set_section_region):
5328         Convert field precision to int.
5329
5330 2010-09-08  Rafael Espindola  <espindola@google.com>
5331
5332         * arm.cc (do_finalize_sections): Create the __exidx_start and
5333         __exdix_end symbols even when the section is missing.
5334
5335 2010-09-08  Nick Clifton  <nickc@redhat.com>
5336
5337         * README: Remove claim that MEMORY is not supported.
5338         * expression.cc (script_exp_function_origin)
5339         (script_exp_function_length): Move from here to ...
5340         * script.cc: ... here.
5341         (script_set_section_region, script_add_memory)
5342         (script_parse_memory_attr, script_include_directive): New
5343         functions.
5344         * script-sections.cc
5345         (class Memory_region): New class.
5346         (class Output_section_definition): Add set_memory_region,
5347         set_section_vma, set_section_lma and get_section_name methods.
5348         (class Script_Sections): Add add_memory_region,
5349         find_memory_region, find_memory_region_origin,
5350         find_memory_region_length and set_memory_region methods.
5351         Have set_section_addresses method walk the list of set memory
5352         regions.
5353         Extend the print methos to display memory regions.
5354         * script-sections.h: Add prototypes for new methods.
5355         Add enum for MEMORY region attributes.
5356         * yyscript.y: Add support for parsing MEMORY regions.
5357         * script-c.h: Add prototypes for new functions.
5358         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5359         * testsuite/Makefile.in: Regenerate.
5360         * testsuite/memory_test.sh: New script.
5361         * testsuite/memory_test.s: New assembler source file.
5362         * testsuite/memory_test.t: New linker script.
5363
5364 2010-08-27  Doug Kwan  <dougkwan@google.com>
5365
5366         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5367         reference override an existing dynamic weak reference.
5368         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5369         * testsuite/Makefile.in: Regenerate.
5370         * testsuite/dyn_weak_ref.sh: New file.
5371         * testsuite/dyn_weak_ref_1.c: Ditto.
5372         * testsuite/dyn_weak_ref_2.c: Ditto.
5373
5374 2010-08-27  Ian Lance Taylor  <iant@google.com>
5375
5376         * incremental.h (class Incremental_input_entry): Add virtual
5377         destructor.
5378
5379 2010-08-27  Ian Lance Taylor  <iant@google.com>
5380
5381         * testsuite/start_lib_test_3.c: Mark t3 as used.
5382
5383 2010-08-27  Nick Clifton  <nickc@redhat.com>
5384
5385         * options.cc (version_script): Fix small typo in previous
5386         whitespace tidyup.
5387
5388 2010-08-25  Nick Clifton  <nickc@redhat.com>
5389
5390         * archive.cc: Formatting fixes: Remove whitespace between
5391         typename and following asterisk.  Remove whitespace between
5392         function name and opening parenthesis.
5393         * archive.h: Likewise.
5394         * arm.cc: Likewise.
5395         * attributes.cc: Likewise.
5396         * attributes.h: Likewise.
5397         * common.cc: Likewise.
5398         * copy-relocs.cc: Likewise.
5399         * dirsearch.h: Likewise.
5400         * dynobj.cc: Likewise.
5401         * ehframe.cc: Likewise.
5402         * ehframe.h: Likewise.
5403         * expression.cc: Likewise.
5404         * fileread.cc: Likewise.
5405         * fileread.h: Likewise.
5406         * gc.h: Likewise.
5407         * gold-threads.cc: Likewise.
5408         * gold.cc: Likewise.
5409         * i386.cc: Likewise.
5410         * icf.h: Likewise.
5411         * incremental-dump.cc: Likewise.
5412         * incremental.cc: Likewise.
5413         * layout.cc: Likewise.
5414         * layout.h: Likewise.
5415         * main.cc: Likewise.
5416         * merge.cc: Likewise.
5417         * merge.h: Likewise.
5418         * object.cc: Likewise.
5419         * object.h: Likewise.
5420         * options.cc: Likewise.
5421         * options.h: Likewise.
5422         * output.cc: Likewise.
5423         * output.h: Likewise.
5424         * plugin.cc: Likewise.
5425         * plugin.h: Likewise.
5426         * powerpc.cc: Likewise.
5427         * reloc.cc: Likewise.
5428         * script-c.h: Likewise.
5429         * script-sections.cc: Likewise.
5430         * script.cc: Likewise.
5431         * stringpool.cc: Likewise.
5432         * symtab.cc: Likewise.
5433         * symtab.h: Likewise.
5434         * target.cc: Likewise.
5435         * timer.cc: Likewise.
5436         * timer.h: Likewise.
5437         * version.cc: Likewise.
5438         * x86_64.cc: Likewise.
5439
5440 2010-08-24  Nick Clifton  <nickc@redhat.com>
5441
5442         PR 11899
5443         * layout.cc (segment_precedes): Sort segments by their physical
5444         addresses, if they have been set.
5445
5446 2010-08-23  Cary Coutant  <ccoutant@google.com>
5447
5448         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5449         symbols data.
5450         (Lib_group::include_member): Unlock object after deleting its
5451         symbols data.
5452         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5453         the bug fixed here.
5454
5455 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5456             Cary Coutant  <ccoutant@google.com>
5457
5458         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5459         constructor, and set_blocker.
5460         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5461         readsyms_blocker_.
5462         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5463         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5464         * testsuite/Makefile.am (start_lib_test): New test case.
5465         * testsuite/Makefile.in: Regenerate.
5466         * testsuite/start_lib_test_main.c: New file.
5467         * testsuite/start_lib_test_1.c: New file.
5468         * testsuite/start_lib_test_2.c: New file.
5469         * testsuite/start_lib_test_3.c: New file.
5470
5471 2010-08-19  Ian Lance Taylor  <iant@google.com>
5472
5473         * Makefile.in: Rebuild with automake 1.11.1.
5474         * aclocal.m4: Likewise.
5475         * testsuite/Makefile.in: Likewise.
5476
5477 2010-08-19  Ian Lance Taylor  <iant@google.com>
5478
5479         PR 10893
5480         * i386.cc (class Output_data_plt_i386): Update declarations.
5481         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5482         local_ifuncs_ fields.
5483         (Target_i386::do_plt_section_for_global): New function.
5484         (Target_i386::do_plt_section_for_local): New function.
5485         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5486         parameter; change all callers.  Initialize global_ifuncs_ and
5487         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5488         __rel_iplt_end.
5489         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5490         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5491         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5492         symbols.
5493         (Target_i386::make_plt_section): New function, broken out of
5494         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5495         (Target_i386::make_plt_entry): Call make_plt_section.
5496         (Target_i386::make_local_ifunc_plt_entry): New function.
5497         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5498         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5499         R_386_IRELATIVE to switch.
5500         (Target_i386::Scan::global): Likewise.
5501         (Target_i386::Relocate::relocate): Likewise.
5502         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5503         switch.
5504         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5505         (Target_x86_64::do_plt_section_for_global): New function.
5506         (Target_x86_64::do_plt_section_for_local): New function.
5507         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5508         parameter; change all callers.  If doing a static link define
5509         __rela_iplt_start and __rela_iplt_end.
5510         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5511         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5512         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5513         to point to .plt.
5514         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5515         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5516         switch.
5517         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5518         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5519         R_X86_64_IRELATIVE to switch.
5520         (Target_x86_64::Scan::global): Likewise.
5521         (Target_x86_64::Relocate::relocate): Likewise.
5522         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5523         switch.
5524         * target.h (class Target): Add plt_section_for_global and
5525         plt_section_for_local functions.  Add do_plt_section_for_global
5526         and do_plt_section_for_local virtual functions.
5527         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5528         clarifying comments.
5529         (Symbol::use_plt_offset): Handle IFUNC symbol.
5530         * object.cc (Sized_relobj::Sized_relobj): Initialize
5531         local_plt_offsets_.
5532         (Sized_relobj::local_has_plt_offset): New function.
5533         (Sized_relobj::local_plt_offset): New function.
5534         (Sized_relobj::set_local_plt_offset): New function.
5535         (Sized_relobj::do_count): Handle IFUNC symbol.
5536         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5537         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5538         is_ifunc_symbol functions.
5539         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5540         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5541         local_plt_offsets_ field.
5542         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5543         * output.h (class Output_section_data): Add non-const
5544         output_section function.
5545         (class Output_data_got): Update declarations.
5546         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5547         Add use_plt_offset parameter to global and local constructors.
5548         Change all callers.  Change local_sym_index_ field to 31 bits.
5549         Change GSYM_CODE and CONSTANT_CODE accordingly.
5550         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5551         doing a static link don't set sh_link field.
5552         (Output_data_got::Got_entry::write): Use PLT offset if
5553         appropriate.
5554         (Output_data_got::add_global_plt): New function.
5555         (Output_data_got::add_local_plt): New function.
5556         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5557         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5558         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5559         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5560         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5561         IFUNC conditional.
5562         * testsuite/ifunc-sel.h: New file.
5563         * testsuite/ifuncmain1.c: New file.
5564         * testsuite/ifuncmain1vis.c: New file.
5565         * testsuite/ifuncmod1.c: New file.
5566         * testsuite/ifuncdep2.c: New file.
5567         * testsuite/ifuncmain2.c: New file.
5568         * testsuite/ifuncmain3.c: New file.
5569         * testsuite/ifuncmod3.c: New file.
5570         * testsuite/ifuncmain4.c: New file.
5571         * testsuite/ifuncmain5.c: New file.
5572         * testsuite/ifuncmod5.c: New file.
5573         * testsuite/ifuncmain6pie.c: New file.
5574         * testsuite/ifuncmod6.c: New file.
5575         * testsuite/ifuncmain7.c: New file.
5576         * configure, testsuite/Makefile.in: Rebuild.
5577
5578 2010-08-18  Ian Lance Taylor  <iant@google.com>
5579
5580         * incremental.cc
5581         (Output_section_incremental_inputs::write_input_files): Add cast
5582         to avoid signed/unsigned comparison warning.
5583         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5584
5585 2010-08-12  Cary Coutant  <ccoutant@google.com>
5586
5587         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5588
5589 2010-08-13  Ian Lance Taylor  <iant@google.com>
5590
5591         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5592
5593 2010-08-12  Cary Coutant  <ccoutant@google.com>
5594             Doug Kwan  <dougkwan@google.com>
5595
5596         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5597         defintion overrides non-weak undef, remember that the original undef
5598         is not weak.
5599         * symtab.cc (Symbol_table::sized_write_global): For undef without
5600         an original weak binding, set binding to global in output.
5601         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5602         * testsuite/Makefile.in: Regenerate.
5603         * testsuite/strong_ref_weak_def.sh: New file.
5604         * testsuite/strong_ref_weak_def_1.c: Ditto.
5605         * testsuite/strong_ref_weak_def_2.c: Ditto.
5606
5607 2010-08-12  Cary Coutant  <ccoutant@google.com>
5608
5609         * testsuite/incremental_test.sh: Rewrite.
5610         * testsuite/incremental_test_1.c: Rewrite.
5611         * testsuite/incremental_test_2.c: Rewrite.
5612
5613 2010-08-12  Cary Coutant  <ccoutant@google.com>
5614
5615         * arm.cc (Target_arm::got_size): Add const.
5616         (Target_arm::got_entry_count): New function.
5617         (Target_arm::plt_entry_count): New function.
5618         (Target_arm::first_plt_entry_offset): New function.
5619         (Target_arm::plt_entry_size): New function.
5620         (Output_data_plt_arm::entry_count): New function.
5621         (Output_data_plt_arm::first_plt_entry_offset): New function.
5622         (Output_data_plt_arm::get_plt_entry_size): New function.
5623         * i386.cc (Target_i386::got_size): Add const.
5624         (Target_i386::got_entry_count): New function.
5625         (Target_i386::plt_entry_count): New function.
5626         (Target_i386::first_plt_entry_offset): New function.
5627         (Target_i386::plt_entry_size): New function.
5628         (Output_data_plt_i386::entry_count): New function.
5629         (Output_data_plt_i386::first_plt_entry_offset): New function.
5630         (Output_data_plt_i386::get_plt_entry_size): New function.
5631         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5632         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5633         * incremental.cc: Include target.h.
5634         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5635         parameter.  Adjust all callers.  Find incremental_got_plt section.
5636         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5637         section.
5638         (Output_section_incremental_inputs::set_final_data_size): Calculate
5639         size of incremental_got_plt section.
5640         (Output_section_incremental_inputs::do_write): Write the
5641         incremental_got_plt section.
5642         (Got_plt_view_info): New struct.
5643         (Local_got_offset_visitor): New class.
5644         (Global_got_offset_visitor): New class.
5645         (Global_symbol_visitor_got_plt): New class.
5646         (Output_section_incremental_inputs::write_got_plt): New function.
5647         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5648         Add parameter.  Adjust all callers.
5649         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5650         (Incremental_inputs::got_plt_section): New function.
5651         (Incremental_inputs::got_plt_section_): New data member.
5652         (Incremental_got_plt_reader): New class.
5653         * layout.cc (Layout::create_incremental_info_sections): Add the
5654         incremental_got_plt section.
5655         * object.h (Got_offset_list::get_list): New function.
5656         (Got offset_list::for_all_got_offsets): New function.
5657         (Sized_relobj::local_got_offset_list): New function.
5658         * powerpc.cc (Target_powerpc::got_size): Add const.
5659         (Target_powerpc::got_entry_count): New function.
5660         (Target_powerpc::plt_entry_count): New function.
5661         (Target_powerpc::first_plt_entry_offset): New function.
5662         (Target_powerpc::plt_entry_size): New function.
5663         (Output_data_plt_powerpc::entry_count): New function.
5664         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5665         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5666         * sparc.cc (Target_sparc::got_size): Add const.
5667         (Target_sparc::got_entry_count): New function.
5668         (Target_sparc::plt_entry_count): New function.
5669         (Target_sparc::first_plt_entry_offset): New function.
5670         (Target_sparc::plt_entry_size): New function.
5671         (Output_data_plt_sparc::entry_count): New function.
5672         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5673         (Output_data_plt_sparc::get_plt_entry_size): New function.
5674         * symtab.h (Symbol::got_offset_list): New function.
5675         (Symbol_table::for_all_symbols): New function.
5676         * target.h (Sized_target::got_entry_count): New function.
5677         (Sized_target::plt_entry_count): New function.
5678         (Sized_target::plt_entry_size): New function.
5679         * x86_64.cc (Target_x86_64::got_size): Add const.
5680         (Target_x86_64::got_entry_count): New function.
5681         (Target_x86_64::plt_entry_count): New function.
5682         (Target_x86_64::first_plt_entry_offset): New function.
5683         (Target_x86_64::plt_entry_size): New function.
5684         (Output_data_plt_x86_64::entry_count): New function.
5685         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5686         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5687
5688 2010-08-12  Cary Coutant  <ccoutant@google.com>
5689
5690         * archive.cc: Include incremental.h.
5691         (Archive::Archive): Initialize incremental_info_.
5692         (Archive::include_member): Record archive members in incremental info.
5693         (Add_archive_symbols::run): Record begin and end of an archive in
5694         incremental info.
5695         (Lib_group::include_member): Record objects in incremental info.
5696         * archive.h (Incremental_archive_entry): Forward declaration.
5697         (Archive::set_incremental_info): New member function.
5698         (Archive::incremental_info): New member function.
5699         (Archive::Unused_symbol_iterator): New class.
5700         (Archive::unused_symbols_begin): New member function.
5701         (Archive::unused_symbols_end): New member function.
5702         (Archive::incremental_info_): New data member.
5703         * incremental-dump.cc (find_input_containing_global): New function.
5704         (dump_incremental_inputs): Dump new incremental info sections.
5705         * incremental.cc: Include symtab.h.
5706         (Output_section_incremental_inputs): New class.
5707         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5708         new incremental info sections.
5709         (Sized_incremental_binary::do_check_inputs): Likewise.
5710         (Incremental_inputs::report_archive): Remove.
5711         (Incremental_inputs::report_archive_begin): New function.
5712         (Incremental_inputs::report_archive_end): New function.
5713         (Incremental_inputs::report_object): New function.
5714         (Incremental_inputs::finalize_inputs): Remove.
5715         (Incremental_inputs::report_input_section): New function.
5716         (Incremental_inputs::report_script): Rewrite.
5717         (Incremental_inputs::finalize): Do nothing but finalize string table.
5718         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5719         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5720         (Incremental_inputs::create_data_sections): New function.
5721         (Incremental_inputs::relocs_entsize): New function.
5722         (Output_section_incremental_inputs::set_final_data_size): New function.
5723         (Output_section_incremental_inputs::do_write): New function.
5724         (Output_section_incremental_inputs::write_header): New function.
5725         (Output_section_incremental_inputs::write_input_files): New function.
5726         (Output_section_incremental_inputs::write_info_blocks): New function.
5727         (Output_section_incremental_inputs::write_symtab): New function.
5728         * incremental.h (Incremental_script_entry): Forward declaration.
5729         (Incremental_object_entry): Forward declaration.
5730         (Incremental_archive_entry): Forward declaration.
5731         (Incremental_inputs): Forward declaration.
5732         (Incremental_inputs_header_data): Remove.
5733         (Incremental_inputs_header): Remove.
5734         (Incremental_inputs_header_write): Remove.
5735         (Incremental_inputs_entry_data): Remove.
5736         (Incremental_inputs_entry): Remove.
5737         (Incremental_inputs_entry_write): Remove.
5738         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5739         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5740         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5741         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5742         Likewise.
5743         (Incremental_input_entry): New class.
5744         (Incremental_script_entry): New class.
5745         (Incremental_object_entry): New class.
5746         (Incremental_archive_entry): New class.
5747         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5748         (Incremental_inputs::report_inputs): Remove.
5749         (Incremental_inputs::report_archive): Remove.
5750         (Incremental_inputs::report_archive_begin): New function.
5751         (Incremental_inputs::report_archive_end): New function.
5752         (Incremental_inputs::report_object): Change prototype.
5753         (Incremental_inputs::report_input_section): New function.
5754         (Incremental_inputs::report_script): Change prototype.
5755         (Incremental_inputs::get_reloc_count): New function.
5756         (Incremental_inputs::set_reloc_count): New function.
5757         (Incremental_inputs::create_data_sections): New function.
5758         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5759         (Incremental_inputs::inputs_section): New function.
5760         (Incremental_inputs::symtab_section): New function.
5761         (Incremental_inputs::relocs_section): New function.
5762         (Incremental_inputs::get_stringpool): Add const.
5763         (Incremental_inputs::command_line): Add const.
5764         (Incremental_inputs::inputs): Remove.
5765         (Incremental_inputs::command_line_key): New function.
5766         (Incremental_inputs::input_file_count): New function.
5767         (Incremental_inputs::input_files): New function.
5768         (Incremental_inputs::relocs_entsize): New function.
5769         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5770         (Incremental_inputs::finalize_inputs): Remove.
5771         (Incremental_inputs::Input_info): Remove.
5772         (Incremental_inputs::lock_): Remove.
5773         (Incremental_inputs::inputs_): Change type.
5774         (Incremental_inputs::inputs_map_): Remove.
5775         (Incremental_inputs::current_object_entry_): New data member.
5776         (Incremental_inputs::inputs_section_): New data member.
5777         (Incremental_inputs::symtab_section_): New data member.
5778         (Incremental_inputs::relocs_section_): New data member.
5779         (Incremental_inputs::reloc_count_): New data member.
5780         (Incremental_inputs_reader): New class.
5781         (Incremental_symtab_reader): New class.
5782         (Incremental_relocs_reader): New class.
5783         * layout.cc (Layout::finalize): Move finalization of incremental info
5784         and creation of incremental info sections to follow finalization of
5785         symbol table.  Set offsets for postprocessing sections.
5786         (Layout::create_incremental_info_sections): Call
5787         Incremental_inputs::create_data_sections.  Add incremental symtab
5788         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5789         sections to layout after input sections.
5790         * layout.h (struct Timespec): Forward declaration.
5791         (Layout::incremental_inputs): Add const.
5792         (Layout::create_incremental_info_sections): Add parameter.
5793         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5794         * object.cc: Include incremental.h.
5795         (Relobj::finalize_incremental_relocs): New function.
5796         (Sized_relobj::do_layout): Record input sections in incremental info.
5797         * object.h (Object::output_section): New function.
5798         (Object::output_section_offset): Moved from Relobj.
5799         (Object::get_incremental_reloc_base): New function.
5800         (Object::get_incremental_reloc_count): New function.
5801         (Object::do_output_section): New function.
5802         (Object::do_output_section_offset): Moved from Relobj.
5803         (Object::do_get_incremental_reloc_base): New function.
5804         (Object::do_get_incremental_reloc_count): New function.
5805         (Object::Object): Initialize new data members.
5806         (Relobj::output_section): Renamed do_output_section and moved to
5807         protected.
5808         (Relobj::output_section_offset): Moved to Object.
5809         (Relobj::do_get_incremental_reloc_base): New function.
5810         (Relobj::do_get_incremental_reloc_count): New function.
5811         (Relobj::allocate_incremental_reloc_counts): New function.
5812         (Relobj::count_incremental_reloc): New function.
5813         (Relobj::finalize_incremental_relocs): New function.
5814         (Relobj::next_incremental_reloc_index): New function.
5815         (Relobj::reloc_counts_): New data member.
5816         (Relobj::reloc_bases_): New data member.
5817         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5818         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5819         (Sized_relobj::incremental_relocs_scan): New function.
5820         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5821         (Sized_relobj::incremental_relocs_write): New function.
5822         (Sized_relobj::incremental_relocs_write_reltype): New function.
5823         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5824         incremental link.
5825         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5826         archives and object files elsewhere.
5827         (Add_symbols::run): Report object files here.
5828         (Finish_group::run): Report end of archive at end of group.
5829         * reloc.cc: Include layout.h, incremental.h.
5830         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5831         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5832         (Sized_relobj::incremental_relocs_scan): New function.
5833         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5834         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5835         (Sized_relobj::incremental_relocs_write): New function.
5836         (Sized_relobj::incremental_relocs_write_reltype): New function.
5837         * script.cc (read_input_script): Rewrite test for incremental link.
5838         Change call to Incremental_inputs::report_script.
5839         * symtab.h (Symbol_table::first_global_index): New function.
5840         (Symbol_table::output_count): New function.
5841
5842 2010-08-12  Doug Kwan  <dougkwan@google.com>
5843
5844         * arm.cc (Target_arm::merge_object_attributes): Check command line
5845         options --no-wchar-size-warning and --no-enum-size-warning.
5846         * options.h (General_options): Add ld-compatible options
5847         --no-enum-size-warning and --no-wchar-size-warning.
5848
5849 2010-08-04  Ian Lance Taylor  <iant@google.com>
5850
5851         * x86_64.cc (Target_x86_64::Scan::local): Use
5852         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5853         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5854         (Target_x86_64::Scan::global): Likewise.
5855         (Target_x86_64::Relocate::relocate): Likewise.
5856         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5857         Likewise.
5858
5859 2010-08-03  Cary Coutant  <ccoutant@google.com>
5860
5861         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5862         to reserve space in merged_strings vector. Keep total input size
5863         for stats.
5864         (Output_merge_string::do_print_merge_stats): Print total input size.
5865         * merge.h (Output_merge_string): Add input_size_ field.
5866         * stringpool.cc (Stringpool_template::string_length): Move
5867         implementations out of Stringpool_template class and place in
5868         stringpool.h.
5869         * stringpool.h (string_length): Move out of Stringpool_template.
5870
5871 2010-08-03  Ian Lance Taylor  <iant@google.com>
5872
5873         PR 11712
5874         * layout.cc (relaxation_loop_body): If address of load segment is
5875         set, adjust address to include headers if possible.
5876
5877 2010-08-03  Ian Lance Taylor  <iant@google.com>
5878
5879         * version.cc (version_string): Bump to 1.10.
5880
5881 2010-08-03  Ian Lance Taylor  <iant@google.com>
5882
5883         PR 11805
5884         * layout.h (enum Output_section_order): Define.
5885         (class Layout): Update declarations.
5886         * layout.cc (Layout::get_output_section): Add order parameter.
5887         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5888         is_first_non_relro parameters.  Change all callers.
5889         (Layout::choose_output_section): Likewise.
5890         (Layout::add_output_section_data): Likewise.
5891         (Layout::make_output_section): Likewise.  Set order.
5892         (Layout::default_section_order): New function.
5893         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5894         * output.cc (Output_section::Output_section): Initialize order_.
5895         Don't initialize deleted fields.
5896         (Output_segment::Output_segment): Don't initialize deleted
5897         fields.
5898         (Output_segment::add_output_section_to_load): New function
5899         replacing add_output_section.  Change all callers to call this or
5900         add_output_section_to_nonload.
5901         (Output_segment::add_output_section_to_nonload): New function.
5902         (Output_segment::remove_output_section): Rewrite.
5903         (Output_segment::add_initial_output_data): Likewise.
5904         (Output_segment::has_any_data_sections): Likewise.
5905         (Output_segment::is_first_section_relro): Likewise.
5906         (Output_segment::maximum_alignment): Likewise.
5907         (Output_segment::has_dynamic_reloc): New function replacing
5908         dynamic_reloc_count.  Change all callers.
5909         (Output_segment::has_dynamic_reloc_list): New function replacing
5910         dynamic_reloc_count_list.  Change all callers.
5911         (Output_segment::set_section_addresses): Rewrite.
5912         (Output_segment::set_offset): Rewrite.
5913         (Output_segment::find_first_and_last_list): Remove.
5914         (Output_segment::set_tls_offsets): Rewrite.
5915         (Output_segment::first_section_load_address): Likewise.
5916         (Output_segment::output_section_count): Likewise.
5917         (Output_segment::section_with_lowest_load_address): Likewise.
5918         (Output_segment::write_section_headers): Likewise.
5919         (Output_segment::print_sections_to_map): Likewise.
5920         * output.h (class Output_data): Remove dynamic_reloc_count_
5921         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5922         (Output_data::add_dynamic_reloc): Rewrite.
5923         (Output_data::has_dynamic_reloc): New function.
5924         (Output_data::dynamic_reloc_count): Remove.
5925         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5926         is_last_relro_, is_first_non_relro_, is_interp_,
5927         is_dynamic_linker_section_ fields.  Add order and set_order
5928         functions.  Remove is_relro_local, set_is_relro_local,
5929         is_last_relro, set_is_last_relro, is_first_non_relro,
5930         set_is_first_non_relro functions, is_interp, set_is_interp,
5931         is_dynamic_linker_section, and set_is_dynamic_linker_section
5932         functions.
5933         (class Output_segment): Change Output_data_list from std::list to
5934         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5935         output_bss_ fields.  Update declarations.
5936
5937 2010-08-02  Ian Lance Taylor  <iant@google.com>
5938
5939         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5940         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5941         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5942
5943 2010-08-02  Ian Lance Taylor  <iant@google.com>
5944
5945         PR 11855
5946         * script.cc (Script_options::Script_options): Initialize
5947         symbol_definitions_ and symbol_references_.
5948         (Script_options::add_symbol_assignment): Update
5949         symbol_definitions_ and symbol_references_.
5950         (Script_options::add_symbol_reference): New function.
5951         (script_symbol): New function.
5952         * script.h (class Script_options): Add symbol_definitions_ and
5953         symbol_references_ fields.
5954         (Script_options::referenced_const_iterator): New type.
5955         (Script_options::referenced_begin): New function.
5956         (Script_options::referenced_end): New function.
5957         (Script_options::is_referenced): New function.
5958         (Script_options::any_unreferenced): New function.
5959         * script-c.h (script_symbol): Declare.
5960         * yyscript.y (exp): Call script_symbol.
5961         * symtab.cc: Include "script.h".
5962         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5963         Change all callers.  Check symbols referenced by scripts.
5964         (Symbol_table::add_undefined_symbols_from_command_line): Add
5965         layout parameter.  Change all callers.
5966         (Symbol_table::do_add_undefined_symbols_from_command_line):
5967         Likewise.  Break out loop body.  Check symbols referenced by
5968         scripts.
5969         (Symbol_table::add_undefined_symbol_from_command_line): New
5970         function broken out of
5971         do_add_undefined_symbols_from_command_line.
5972         * symtab.h (class Symbol_table): Update declarations.
5973         * archive.cc: Include "layout.h".
5974         (Archive::should_include_member): Add layout parameter.  Change
5975         all callers.  Check for symbol mentioned in expression.
5976         * archive.h (class Archive): Update declaration.
5977         * object.cc (Sized_relobj::do_should_include_member): Add layout
5978         parameter.
5979         * object.h (Object::should_include_member): Add layout parameter.
5980         Change all callers.
5981         (Object::do_should_include_member): Add layout parameter.
5982         (class Sized_relobj): Update declaration.
5983         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5984         parameter.
5985         * dynobj.h (class Sized_dynobj): Update declaration.
5986         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5987         layout parameter.
5988         * plugin.h (class Sized_pluginobj): Update declaration.
5989
5990 2010-08-02  Ian Lance Taylor  <iant@google.com>
5991
5992         PR 11866
5993         * output.cc (Output_segment::set_offset): Search for the first and
5994         last sections rather than assuming that the list is in order.
5995         (Output_segment::find_first_and_last_list): New function.
5996         * output.h (class Output_segment): Update declarations.
5997         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5998         (relro_strip_test_SOURCES): New variable.
5999         (relro_strip_test_DEPENDENCIES): New variable.
6000         (relro_strip_test_LDFLAGS): New variable.
6001         (relro_strip_test_LDADD): New variable.
6002         (relro_strip_test.so): New target.
6003
6004 2010-08-02  Ian Lance Taylor  <iant@google.com>
6005
6006         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6007         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6008         (Target_i386::got_tlsdesc_section): New function.
6009         (Target_i386::got_section): Create space for GOT entries for
6010         TLSDESC relocations.
6011         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6012         R_386_TLS_GOTDESC.
6013         (Target_i386::Scan::global): Likewise.
6014         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6015         using TLSDESC GOT.
6016         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6017         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6018         (Target_x86_64::got_tlsdesc_section): New function.
6019         (Target_x86_64::got_section): Create space for GOT entries for
6020         TLSDESC relocations.
6021         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6022         R_386_TLS_GOTDESC.
6023         (Target_x86_64::Scan::global): Likewise.
6024         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6025         using TLSDESC GOT.
6026
6027 2010-08-02  Ian Lance Taylor  <iant@google.com>
6028
6029         * testsuite/final_layout.sh: Use dc to convert from hex to
6030         decimal.
6031
6032 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6033
6034         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6035         paramter to the call to gold::gc_process_relocs.
6036         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6037         paramter to the call to gold::gc_process_relocs.
6038         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6039         parameter to the call to gold::gc_process_relocs.
6040         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6041         template parameter to the call to gold::gc_process_relocs.
6042         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6043         paramter to the call to gold::gc_process_relocs.
6044         * gc.h (get_embedded_addend_size): New function.
6045         (gc_process_relocs): Save the size of the reloc for use by ICF.
6046         * icf.cc (get_section_contents): Get the addend from the text section
6047         for SHT_REL relocation sections.
6048         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6049         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6050         * int_encoding.h (read_from_pointer): New overloaded function.
6051         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6052         * testsuite/icf_sht_rel_addend_test.sh: New file.
6053         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6054         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6055
6056 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6057
6058         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6059         * Makefile.in: Regenerate.
6060         * testsuite/Makefile.in: Regenerate.
6061
6062 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6063
6064         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6065         * gold/testsuite/debug_msg.cc: Likewise.
6066         * gold/testsuite/odr_violation1.cc
6067         * gold/testsuite/odr_violation2.cc
6068
6069 2010-07-21  Cary Coutant  <ccoutant@google.com>
6070
6071         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6072         string, and length fields.
6073         (Output_merge_string::Merged_strings_list): New type.
6074         (Output_merge_string::Merged_strings_lists): New typedef.
6075         (Output_merge_string): Replace merged_strings_ with
6076         merged_strings_lists_.
6077         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6078         Merged_strings_list per input object and section.  Don't store pointer
6079         to the string.  Don't store length with each merged string entry.
6080         (Output_merge_string::finalize_merged_data): Loop over list of merged
6081         strings lists.  Recompute length of each merged string.
6082
6083 2010-07-15  Cary Coutant  <ccoutant@google.com>
6084
6085         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6086         here.
6087
6088 2010-07-14  Ian Lance Taylor  <iant@google.com>
6089
6090         * descriptors.cc (Descriptors::open): Report correct name in error
6091         message.
6092
6093 2010-07-13  Doug Kwan  <dougkwan@google.com>
6094
6095         * arm.cc (Arm_input_section::Arm_input_section): For a
6096         SHT_ARM_EXIDX section, always keeps the input sections.
6097         (Arm_input_section::set_exidx_section_link): New method.
6098         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6099         has_errors_ to false.
6100         (Arm_exidx_input_section::has_errors,
6101         Arm_exidx_input_section::set_has_errors): New methods.
6102         (Arm_exidx_input_section::has_errors_): New data member.
6103         (Arm_relobj::get_exidx_shndx_list): New method.
6104         (Arm_output_section::append_text_sections_to_list): Do not skip
6105         section without SHF_EXECINSTR.
6106         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6107         errors.
6108         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6109         section header.  Make error messages more verbose.  Check for
6110         a non-executable section linked to an EXIDX section.
6111         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6112         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6113         check that there is no deferred EXIDX section if we exit early.
6114         Instead of not making an EXIDX section in case of an error, make one
6115         and set the has_errors flag of it.
6116         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6117         in a relocatable link.
6118         (Target_arm::do_relax): Look for the EXIDX output section instead of
6119         assuming that it is called .ARM.exidx.
6120         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6121         section list.  Do not check for SHF_EXECINSTR section flags but
6122         skip any input section with errors.
6123         * output.cc (Output_section::Output_section): Initialize
6124         always_keeps_input_sections_ to false.
6125         (Output_section::add_input_section): Check for
6126         always_keeps_input_sections_.
6127         *  output.h (Output_section::always_keeps_input_sections,
6128         Output_section::set_always_keeps_input_sections): New methods.
6129         (Output_section::always_keeps_input_sections): New data member.
6130
6131 2010-07-13  Rafael Espindola  <espindola@google.com>
6132
6133         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6134         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6135
6136 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6137             Ian Lance Taylor  <iant@google.com>
6138
6139         * output.h (Output_section_lookup_maps::add_merge_section):
6140         Correct check of whether value was inserted.
6141         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6142         (Output_section_lookup_maps::add_relaxed_input_section):
6143         Likewise.
6144         * arm.cc (Target_arm::got_section): Remove used local os.
6145         * i386.cc (Target_i386::got_section): Likewise.
6146         * x86_64.cc (Target_x86_64::got_section): Likewise.
6147         * sparc.cc (Target_sparc::got_section): Likewise.
6148         (Target_sparc::relocate): Remove unused local have_got_offset.
6149         * powerpc.cc (Target_powerpc::relocate): Likewise.
6150
6151 2010-07-13  Ian Lance Taylor  <iant@google.com>
6152
6153         * compressed_output.cc (zlib_decompress): Fix signature in
6154         !HAVE_ZLIB_H case.
6155
6156         * archive.cc (Archive::include_member): Unlock an external member
6157         of a thin archive.  Don't bother to delete an object we know is
6158         NULL.
6159
6160 2010-07-12  Cary Coutant  <ccoutant@google.com>
6161
6162         * compressed_output.cc (zlib_decompress): New function.
6163         (get_uncompressed_size): New function.
6164         (decompress_input_section): New function.
6165         * compressed_output.h (get_uncompressed_size): New function.
6166         (decompress_input_section): New function.
6167         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6168         Handle compressed debug sections.
6169         * layout.cc (is_compressed_debug_section): New function.
6170         (Layout::output_section_name): Map compressed section names to
6171         canonical names.
6172         * layout.h (is_compressed_debug_section): New function.
6173         (is_debug_info_section): Recognize compressed debug sections.
6174         * merge.cc: Include compressed_output.h.
6175         (Output_merge_data::do_add_input_section): Handle compressed
6176         debug sections.
6177         (Output_merge_string::do_add_input_section): Handle compressed
6178         debug sections.
6179         * object.cc: Include compressed_output.h.
6180         (Sized_relobj::Sized_relobj): Initialize new data members.
6181         (build_compressed_section_map): New function.
6182         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6183         * object.h (Object::section_is_compressed): New method.
6184         (Object::do_section_is_compressed): New method.
6185         (Sized_relobj::Compressed_section_map): New type.
6186         (Sized_relobj::do_section_is_compressed): New method.
6187         (Sized_relobj::compressed_sections_): New data member.
6188         * output.cc (Output_section::add_input_section): Handle compressed
6189         debug sections.
6190         * reloc.cc: Include compressed_output.h.
6191         (Sized_relobj::write_sections): Handle compressed debug sections.
6192
6193 2010-07-08  Cary Coutant  <ccoutant@google.com>
6194
6195         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6196         weak when resolving to a dynamic def.
6197         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6198         for weak undef/dynamic def cases. Adjust callers.
6199         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6200         undef_binding_weak_.
6201         (Symbol_table::sized_write_globals): Adjust symbol binding.
6202         (Symbol_table::sized_write_symbol): Add binding parameter.
6203         * symtab.h (Symbol::set_undef_binding): New method.
6204         (Symbol::is_undef_binding_weak): New method.
6205         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6206         (Symbol_table::should_override): Add new parameter.
6207         (Symbol_table::sized_write_symbol): Add new parameter.
6208
6209         * testsuite/weak_undef_file1.cc: Add new test case.
6210         * testsuite/weak_undef_file2.cc: Fix header comment.
6211         * testsuite/weak_undef_test.cc: Add new test case.
6212
6213 2010-06-29  Doug Kwan  <dougkwan@google.com>
6214
6215         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6216         Initialize USE_SYMBOL_.
6217         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6218         definition.
6219         (Arm_reloc_property::uses_symbol_): New data member declaration.
6220         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6221         uses symbol value and symbol is undefined but not weakly undefined.
6222
6223 2010-06-28  Rafael Espindola  <espindola@google.com>
6224
6225         * plugin.cc (Plugin::load): Use dlerror.
6226
6227 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6228
6229         * symtab.cc (detect_odr_violations): When reporting an ODR
6230         violation, report an object where the symbol is defined.
6231
6232 2010-06-25  Doug Kwan  <dougkwan@google.com>
6233
6234         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6235         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6236         definition.
6237         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6238         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6239         target hook to detect function points.
6240         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6241         * icf.h (Icf::check_section_for_function_pointers): Change type of
6242         parameter SECTION_NAME to const reference to std::string.  Use
6243         target hook to determine if section may have unsafe pointers.
6244         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6245         method definition.
6246
6247 2010-06-21  Rafael Espindola  <espindola@google.com>
6248
6249         * fileread.cc (Input_file::find_fie): New
6250         (Input_file::open): Use Input_file::find_fie.
6251         * fileread.h (Input_file::find_fie): New
6252         * plugin.cc (set_extra_library_path): New.
6253         (Plugin::load): Add set_extra_library_path to the transfer vector.
6254         (Plugin_manager::set_extra_library_path): New.
6255         (Plugin_manager::add_input_file): Use the extra search path if set.
6256         (set_extra_library_path(): New.
6257         * plugin.h (Plugin_manager): Add set_extra_library_path and
6258         extra_search_path_.
6259
6260 2010-06-19  Cary Coutant  <ccoutant@google.com>
6261
6262         * layout.cc (gdb_sections): Add .debug_types.
6263         (lines_only_debug_sections): Likewise.
6264
6265 2010-06-18  Rafael Espindola  <espindola@google.com>
6266
6267         * plugin.cc (add_input_file,add_input_library)
6268         (Plugin_manager::add_input_file): Make filename arguments const.
6269         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6270         const.
6271
6272 2010-06-16  Doug Kwan  <dougkwan@google.com>
6273
6274         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6275         .ARM.attributes section if we have not merged any input
6276         attributes sections.
6277
6278 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6279
6280         * arm.cc: Allow combining objects with no EABI version
6281         information.
6282
6283 2010-06-15  Rafael Espindola  <espindola@google.com>
6284
6285         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6286
6287 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6288
6289         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6290         (struct iovec): Correct !HAVE_READV definition.
6291
6292 2010-06-10  Cary Coutant  <ccoutant@google.com>
6293
6294         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6295         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6296         reloc sections.
6297         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6298
6299         PR 11683
6300         * symtab.h (Symbol::is_placeholder): New member function.
6301         * target-reloc.h (relocate_section): Check for placeholder symbols.
6302
6303         * testsuite/Makefile.am (plugin_test_8): New test.
6304         (plugin_test_9): New test.
6305         * testsuite/Makefile.in: Regenerate.
6306
6307 2010-06-09  Nick Clifton  <nickc@redhat.com>
6308
6309         * yyscript.y (input_list_element): Allow strings prefixed with
6310         the '-' character.  Treat these as libraries.
6311         * script.cc (script_add_library): New function.  Adds a library
6312         specified by "-l<name>" found in an input script.
6313         * script-c.h: Add prototype for script_add_library.
6314
6315 2010-06-07  Doug Kwan  <dougkwan@google.com>
6316
6317         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6318         Restrict stub-group size to be within long conditional branch
6319         range when working around cortex-A8 erratum.
6320
6321 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6322
6323         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6324         #ifdef typo.
6325
6326 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6327
6328         PR gold/11658
6329         * output.cc
6330         (Output_section::Input_section_sort_entry::compare_section_ordering):
6331         Change to return non-zero correctly.
6332         (Output_section::Input_section_sort_section_order_index_compare
6333         ::operator()): Change to fix ambiguity in comparisons.
6334
6335 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6336
6337         * gold.h (is_wildcard_string): New function.
6338         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6339         (Layout::layout_eh_frame): Ditto.
6340         (Layout::find_section_order_index): New method.
6341         (Layout::read_layout_from_file): New method.
6342         * layout.h (Layout::find_section_order_index): New method.
6343         (Layout::read_layout_from_file): New method.
6344         (Layout::input_section_position_): New private member.
6345         (Layout::input_section_glob_): New private member.
6346         * main.cc (main): Call read_layout_from_file here.
6347         * options.h (--section-ordering-file): New option.
6348         * output.cc (Output_section::input_section_order_specified_): New
6349         member.
6350         (Output_section::Output_section): Initialize new member.
6351         (Output_section::add_input_section): Add new parameter.
6352         Keep input sections when --section-ordering-file is used.
6353         (Output_section::set_final_data_size): Sort input sections when
6354         section ordering file is specified.
6355         (Output_section::Input_section_sort_entry): Add new parameter.
6356         Check sorting type.
6357         (Output_section::Input_section_sort_entry::compare_section_ordering):
6358         New method.
6359         (Output_section::Input_section_sort_compare::operator()): Change to
6360         consider section_order_index.
6361         (Output_section::Input_section_sort_init_fini_compare::operator()):
6362         Change to consider section_order_index.
6363         (Output_section::Input_section_sort_section_order_index_compare
6364         ::operator()): New method.
6365         (Output_section::sort_attached_input_sections): Change to sort
6366         according to section order when specified.
6367         (Output_section::add_input_section<32, true>): Add new parameter.
6368         (Output_section::add_input_section<64, true>): Add new parameter.
6369         (Output_section::add_input_section<32, false>): Add new parameter.
6370         (Output_section::add_input_section<64, false>): Add new parameter.
6371         * output.h (Output_section::add_input_section): Add new parameter.
6372         (Output_section::input_section_order_specified): New
6373         method.
6374         (Output_section::set_input_section_order_specified): New method.
6375         (Input_section::Input_section): Initialize section_order_index_.
6376         (Input_section::section_order_index): New method.
6377         (Input_section::set_section_order_index): New method.
6378         (Input_section::section_order_index_): New member.
6379         (Input_section::Input_section_sort_section_order_index_compare): New
6380         struct.
6381         (Output_section::input_section_order_specified_): New member.
6382         * script-sections.cc (is_wildcard_string): Delete and move modified
6383         method to gold.h.
6384         (Output_section_element_input::Output_section_element_input): Modify
6385         call to is_wildcard_string.
6386         (Output_section_element_input::Input_section_pattern
6387         ::Input_section_pattern): Ditto.
6388         (Output_section_element_input::Output_section_element_input): Ditto.
6389         * testsuite/Makefile.am (final_layout): New test case.
6390         * testsuite/Makefile.in: Regenerate.
6391         * testsuite/final_layout.cc: New file.
6392         * testsuite/final_layout.sh: New file.
6393
6394 2010-06-01  Rafael Espindola  <espindola@google.com>
6395
6396         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6397
6398 2010-06-01  Rafael Espindola  <espindola@google.com>
6399
6400         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6401         visibility of symbols.
6402
6403 2010-05-27  Doug Kwan  <dougkwan@google.com>
6404
6405         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6406         from start of output section instead of address for a local symbol
6407         in a merged or relaxed section when doing a relocatable link.
6408
6409 2010-05-26  Rafael Espindola  <espindola@google.com>
6410
6411         PR 11604
6412         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6413         adding sections the garbage collector removed.
6414         * gold/testsuite/Makefile.am: Add test.
6415         * gold/testsuite/Makefile.in: Regenerate.
6416         * gold/testsuite/plugin_test_7.sh: New.
6417         * gold/testsuite/plugin_test_7_1.c: New.
6418         * gold/testsuite/plugin_test_7_2.c: New.
6419
6420 2010-05-26  Rafael Espindola  <espindola@google.com>
6421
6422         * script-sections.cc (Output_section_definition::set_section_addresses):
6423         Check for --section-start.
6424
6425 2010-05-26  Doug Kwan  <dougkwan@google.com>
6426
6427         * arm.cc (Arm_scan_relocatable_relocs): New class.
6428         (Target_arm::relocate_special_relocatable): New method.
6429         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6430         (Arm_relocate_functions::thumb_branch_common): Same.
6431         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6432         instead of Default_scan_relocatable_relocs.
6433         * target-reloc.h (relocate_for_relocatable): Let target handle
6434         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6435         * target.h (Sized_target::relocate_special_relocatable): New method.
6436
6437 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6438
6439         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6440
6441 2010-05-23  Doug Kwan  <dougkwan@google.com>
6442
6443         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6444         instead of a cast.
6445         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6446         with a direct branch, not a conditional branch, to a stub.
6447         * merge.cc (Output_merge_base::record_input_section): New method
6448         defintion.
6449         (Output_merge_data::do_add_input_section): Record input section if
6450         keeps-input-sections flag is set.
6451         (Output_merge_string::do_add_input_section): Ditto.
6452         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6453         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6454         INPUT_SECTIONS_.
6455         (Output_merge_base::keeps_input_sections,
6456         Output_merge_base::set_keeps_input_sections,
6457         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6458         method definitions.
6459         (Output_merge_base::Input_sections): New type declaration.
6460         (Output_merge_base::input_sections_begin,
6461         Output_merge_base::input_sections_end,
6462         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6463         (Output_merge_base::bool keeps_input_sections_,
6464         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6465         Output_merge_base::input_sections_): New data members.
6466         (Output_merge_data::do_set_keeps_input_sections): New method
6467         defintion.
6468         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6469         * output.cc (Output_section::Input_section::relobj): Move method
6470         defintion from class declaration to here and handle merge sections.
6471         (Output_section::Input_section::shndx): Ditto.
6472         (Output_section::Output_section): Remove initializations of removed
6473         data members and initialize new data member LOOKUP_MAPS_.
6474         (Output_section::add_input_section): Set keeps-input-sections flag
6475         for a newly created merge output section as appropriate.  Adjust code
6476         to use Output_section_lookup_maps class.
6477         (Output_section::add_relaxed_input_section): Adjst code for lookup
6478         maps code refactoring.
6479         (Output_section::add_merge_input_section): Add a new parameter
6480         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6481         class.  If adding input section to a newly created merge output
6482         section fails, remove the new merge section.
6483         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6484         Adjust code for use of the Output_section_lookup_maps class.
6485         (Output_section::find_merge_section): Ditto.
6486         (Output_section::build_lookup_maps): New method defintion.
6487         (Output_section::find_relaxed_input_section): Adjust code to use
6488         Output_section_lookup_maps class.
6489         (Output_section::get_input_sections): Export merge sections.  Adjust
6490         code to use Output_section_lookup_maps class.
6491         (Output_section:::add_script_input_section): Adjust code to use
6492         Output_section_lookup_maps class.  Update lookup maps for merge
6493         sections also.
6494         (Output_section::discard_states): Use Output_section_lookup_maps.
6495         (Output_section::restore_states): Same.
6496         * output.h (Merge_section_properties): Move class defintion out of
6497         Output_section.
6498         (Output_section_lookup_maps): New class.
6499         (Output_section::Input_section::is_merge_section): New method
6500         defintion.
6501         (Output_section::Input_section::relobj): Move defintion out of class
6502         defintion.  Declare method only.
6503         (Output_section::Input_section::shndx): Ditto.
6504         (Output_section::Input_section::output_merge_base): New method defintion.
6505         (Output_section::Input_section::u2_.pomb): New union field.
6506         (Output_section::Merge_section_by_properties_map,
6507         Output_section::Output_section_data_by_input_section_map,
6508         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6509         Remove types.
6510         (Output_section::add_merge_input_section): Add new parameter
6511         KEEPS_INPUT_SECTIONS.
6512         (Output_section::build_lookup_maps): New method declaration.
6513         (Output_section::merge_section_map_,
6514         Output_section::merge_section_by_properties_map_,
6515         Output_section::relaxed_input_section_map_,
6516         Output_section::is_relaxed_input_section_map_valid_): Remove data
6517         members.
6518         (Output_section::lookup_maps_): New data member.
6519
6520 2010-05-21  Doug Kwan  <dougkwan@google.com>
6521
6522         PR gold/11619
6523         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6524         avoid a compilation error.
6525
6526 2010-05-19  Rafael Espindola  <espindola@google.com>
6527
6528         * script-sections.cc (Output_section_definition::allocate_to_segment):
6529         Update the phdrs_list even when the output section is NULL.
6530         * testsuite/Makefile.am: Add test.
6531         * testsuite/Makefile.in: Regenerate.
6532         * testsuite/script_test_9.cc: New.
6533         * testsuite/script_test_9.sh: New.
6534         * testsuite/script_test_9.t: New.
6535
6536 2010-05-19  Doug Kwan  <dougkwan@google.com>
6537
6538         * arm.cc (Arm_input_section::original_size): New method.
6539         (Arm_input_section::do_addralign): Add a cast.
6540         (Arm_input_section::do_output_offset): Remove static cast.
6541         (Arm_input_section::original_addralign,
6542          Arm_input_section::original_size_): Change type to uint32_t.
6543         (Arm_input_section::init): Add safe casts for section alignment
6544         and size.
6545         (Arm_input_section::set_final_data_size): Do not set address and
6546         offset of stub table.
6547         (Arm_output_section::fix_exidx_coverage): Change use of of
6548         Output_section::Simple_input_section to that of
6549         Output_section::Input_section.
6550         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6551         except for the first pass.
6552         * output.cc (Output_section::get_input_sections): Change type of
6553         input_sections to std::list<Input_section>.
6554         (Output_section::add_script_input_section): Rename from
6555         Output_section::add_simple_input_section.  Change type of SIS
6556         parameter from Simple_input_section to Input_section.
6557         * output.h (Output_section::Simple_input_section): Remove class.
6558         (Output_section::Input_section): Change class visibility to public.
6559         (Output_section::Input_section::addralign): Use stored alignments
6560         for special input sections if set.
6561         (Output_section::Input_section::set_addralign): New method.
6562         (Output_section::get_input_sections): Change parameter type from
6563         list of Simple_input_section to list of Input_section.
6564         (Output_section::add_script_input_section): Rename from
6565         Output_section::add_simple_input_section. Change first parameter's
6566         type from Simple_input_section to Input_section and remove the
6567         second and third parameters.
6568         * script-sections.cc (Input_section::Input_section_list): Change
6569         type to list of Output_section::Input_section/
6570         (Input_section_info::Input_section_info): Change parameter type of
6571         INPUT_SECTION to Output_section::Input_section.
6572         (Input_section_info::input_section): Change return type.
6573         (Input_section_info::input_section_): Change type to
6574         Output_section::Input_section.
6575         (Output_section_element_input::set_section_addresses): Adjust code
6576         to use Output_section::Input_section instead of
6577         Output_section::Simple_input_section.  Adjust code for renaming
6578         of Output_section::add_simple_input_section.
6579         (Orphan_output_section::set_section_addresses): Ditto.
6580
6581 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6582
6583         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6584         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6585
6586 2010-05-18  Rafael Espindola  <espindola@google.com>
6587
6588         * options.cc (General_options::finalize): Handle -nostdlib.
6589         * options.h (nostdlib): New option.
6590         * script.cc (script_add_search_dir): Handle -nostdlib.
6591
6592 2010-05-12  Doug Kwan  <dougkwan@google.com>
6593
6594         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6595         attributes section only if there no attributes section after merging.
6596         (Target_arm::merge_object_attributes): Move value of
6597         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6598         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6599         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6600         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6601         and arm_attr_merge_7.stdout.
6602         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6603         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6604         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6605         arm_attr_merge_7b.o): New rules.
6606         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6607         arm_attr_merge_7
6608         * testsuite/Makefile.in: Regenerate.
6609         * testsuite/arm_attr_merge.sh: New file.
6610         * testsuite/arm_attr_merge_[67][ab].s: Same.
6611
6612 2010-05-05  Nick Clifton  <nickc@redhat.com>
6613
6614         * po/es.po: Updated Spanish translation.
6615
6616 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6617
6618         * Makefile.am (install-exec-local): Properly install gold as
6619         default cross linker.
6620         * Makefile.in: Regenerated.
6621
6622 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6623             Nick Clifton  <nickc@redhat.com>
6624
6625         * configure.ac (install_as_default): Define and set to false
6626         unless --enable-gold or --enable-gold=both/gold has been
6627         specified.
6628         * configure: Regenerate.
6629
6630         * Makefile.am (install-exec-local): Install the executable as
6631         'ld.gold'.  If install_as_default is true then also install it as
6632         'ld'.
6633         * Makefile.in: Regenerated.
6634
6635 2010-04-24  Ian Lance Taylor  <iant@google.com>
6636
6637         * layout.cc (Layout::layout_reloc): In relocatable link don't
6638         combine reloc sections for grouped sections.
6639
6640 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6641
6642         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6643         sections that are not ordinary to icf.
6644         * icf.cc (get_section_contents): Handle relocation pointing to section
6645         with no object or shndx information.
6646         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6647         * testsuite/Makefile.in: Regenerate.
6648         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6649         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6650
6651 2010-04-22  Ian Lance Taylor  <iant@google.com>
6652
6653         * expression.cc (Expression::Expression_eval_info): Add
6654         result_alignment_pointer field.
6655         (Expression::eval_with_dot): Add result_alignment_pointer
6656         parameter.  Change all callers.
6657         (Expression::eval_maybe_dot): Likewise.
6658         (class Binary_expression): Add alignment_pointer parameter to
6659         left_value and right_value.  Change all callers.
6660         (BINARY_EXPRESSION): Set result alignment.
6661         (class Trinary_expression): Add alignment_pointer parameter to
6662         arg2_value and arg3_value.  Change all callers.
6663         (Trinary_cond::value): Set result alignment.
6664         (Max_expression::value, Min_expression::value): Likewise.
6665         (Align_expression::value): Likewise.
6666         * script-sections.cc (class Sections_element): Add dot_alignment
6667         parameter to set_section_addresses virtual function.  Update
6668         instantiations.
6669         (class Output_section_element): Likewise.
6670         (Script_sections::create_segments): Add dot_alignment parameter.
6671         Change all callers.
6672         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6673         (Script_sections::set_phdrs_clause_addresses): Likewise.
6674         * script-sections.h: Update declarations.
6675         * script.h: Update declarations.
6676         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6677         min_p_align.
6678         * testsuite/script_test_3.t: Set large alignment.
6679         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6680         segment has expected alignment.
6681
6682 2010-04-22  Nick Clifton  <nickc@redhat.com>
6683
6684         * po/gold.pot: Updated by the Translation project.
6685         * po/vi.po: Updated Vietnamese translation.
6686
6687 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6688
6689         * testsuite/Makefile.am (check_PROGRAMS): Add
6690         icf_virtual_function_folding_test.
6691         * testsuite/Makefile.in: Regenerated.
6692
6693 2010-04-15  Andrew Haley  <aph@redhat.com>
6694
6695         * options.h (merge_exidx_entries): New option.
6696         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6697         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6698         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6699         (Target_arm::merge_exidx_entries): New function.
6700         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6701         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6702         to Arm_exidx_fixup constructor.
6703         Add new arg, merge_exidx_entries.
6704         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6705         Arm_output_section::fix_exidx_coverage.
6706
6707 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6708
6709         * icf.cc (get_section_contents): Check for preemptible functions.
6710         Ignore addend when appropriate.
6711         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6712         section folded.
6713         (add_from_relobj): Check for section folded.
6714         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6715         * symtab.h (should_add_dynsym_entry): Add new parameter.
6716         * target-reloc.h (scan_relocs): Check for section folded.
6717         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6718         Check reloc types for function pointers in shared objects.
6719         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6720         case.
6721         (icf_preemptible_functions_test): New test case.
6722         (icf_string_merge_test): New test case.
6723         * testsuite.Makefile.in: Regenerate.
6724         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6725         bar_glob.  Refactor code.
6726         * testsuite/icf_preemptible_functions_test.cc: New file.
6727         * testsuite/icf_preemptible_functions_test.sh: New file.
6728         * testsuite/icf_string_merge_test.cc: New file.
6729         * testsuite/icf_string_merge_test.sh: New file.
6730         * testsuite/icf_virtual_function_folding_test.cc: New file.
6731         * testsuite/icf_virtual_function_folding_test.sh: New file.
6732
6733 2010-04-14  Doug Kwan  <dougkwan@google.com>
6734
6735         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6736         for local symbol recounting if we remove a section due to ICF.
6737         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6738         there are no regular objects in input.
6739
6740 2010-04-13  Doug Kwan  <dougkwan@google.com>
6741
6742         * arm.cc (Arm_input_section::set_final_data_size): Compute
6743         accurate final data size instead of using current data size.
6744
6745 2010-04-09  Doug Kwan  <dougkwan@google.com>
6746
6747         * layout.cc (Layout::choose_output_section): Handle script section
6748         types.
6749         (Layout::make_output_section_for_script): Add section type parameter.
6750         Handle script section types.
6751         * layout.h (Layout::make_output_section_for_script): Add section
6752         type parameter.
6753         * output.cc (Output_section::Output_section): Initialize data member
6754         is_noload_.
6755         (Output_section::do_reset_address_and_file_offset): Do not set address
6756         to 0 if section is a NOLOAD section.
6757         * output.h (Output_section::is_noload): New method.
6758         (Output_section::set_is_noload): Ditto.
6759         (Output_section::is_noload_): New data member.
6760         * script-c.h (Script_section_type): New enum type.
6761         (struct Parser_output_section_header): Add new file section_type.
6762         * script-sections.cc (Sections_element::output_section_name): Add
6763         parameter for returning script section type.
6764         (Output_section_definition::output_section_name): Ditto.
6765         (Output_section_definition::section_type)P; New method.
6766         (Output_section_definiton::script_section_type_name): Ditto.
6767         (Output_section_definition::script_section_type_): New data member.
6768         (Output_section_definition::Output_section_definition): Initialize
6769         data member Output_section_definition::script_section_type_.
6770         (Output_section_definition::create_sections): Pass script section type
6771         to Layout::make_output_section_for_script.
6772         (Output_section_definition::output_section_name): Return script
6773         section type to caller.
6774         (Output_section_definition::set_section_address): Do not advance
6775         dot value and load address if section type is NOLOAD.  Set address
6776         of NOLOAD sections regardless of section flags.
6777         (Output_section_definition::print): Print section type if it is
6778         not SCRIPT_SECTION_TYPE_NONE.
6779         (Output_section_definition::section_type): New method.
6780         (Output_section_definition::script_section_type_name): Ditto.
6781         (Script_sections::output_section_name): Add new parameter
6782         PSECTION_TYPE for returning script section type.  Pass it to
6783         section elements.  Handle discard sections.
6784         (Sort_output_sections::operator()): Handle NOLOAD sections.
6785         * script-sections.h (Script_sections::Section_type): New enum type.
6786         (Script_sections::output_section_name): Add a new parameter for
6787         returning script section type.
6788         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6789         INFO and NOLOAD.
6790         * yyscript.y (union): Add new field SECTION_TYPE.
6791         (COPY, DSECT, INFO, NOLOAD): New tokens.
6792         (opt_address_and_section_type): Change type to output_section_header.
6793         (section_type): New non-terminal
6794         (section_header): Handle section type.
6795         (opt_address_and_section_type): Return section type value.
6796
6797 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6798
6799         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6800         * testsuite/plugin_common_test_2.c (foo): Likewise.
6801
6802 2010-04-08  Doug Kwan  <dougkwan@google.com>
6803
6804         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6805         Output_merge_data.
6806         * output.cc (Output_section::add_merge_input_section): Simplify
6807         code and return status of Output_merge_base::add_input_section.
6808         Update merge section map only if Output_merge_base::add_input_section
6809         returns true.
6810
6811 2010-04-07  Doug Kwan  <dougkwan@google.com>
6812
6813         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6814         if section is marked as containing instructions but has no mapping
6815         symbols.
6816         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6817         correct section index.
6818         (Arm_relobj::find_linked_text_section): Ditto.
6819
6820 2010-04-07  Cary Coutant  <ccoutant@google.com>
6821
6822         * archive.cc (include_member): Destroy Read_symbols_data object before
6823         releasing file.
6824         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6825         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6826         (Read_symbols_data::~Read_symbols_data) New destructor.
6827         (Section_relocs::Section_relocs) New constructor.
6828         (Section_relocs::~Section_relocs) New destructor.
6829         (Read_relocs_data::Read_relocs_data) New constructor.
6830         (Read_relocs_data::~Read_relocs_data) New destructor.
6831         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6832         pointers to NULL after deleting.
6833
6834 2010-04-07  Doug Kwan  <dougkwan@google.com>
6835
6836         * arm.cc: Replace "endianity" with "endianness" in comments.
6837         (Arm_exidx_cantunwind): Ditto.
6838         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6839         (Arm_relobj::merge_flags_and_attributes): New method.
6840         (Arm_relobj::merge_flags_and_attributes_): New data member.
6841         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6842         (Arm_relobj::scan_sections_for_stubs): Ditto.
6843         (Arm_relobj::do_read_symbols): Check to see if we really want to
6844         merge processor-specific flags and attributes.  Exit early if
6845         an object is empty except for section names and the undefined symbol.
6846         (Target_arm::do_finalize_sections): Move check for ELF format to
6847         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6848         attributes from a regular object only when we have determined that
6849         it is aapropriate.  Do not create an .ARM.attributes section in
6850         output if there is no regular input object.
6851         (Target_arm::merge_processor_specific_flags): Check
6852         --warn-mismatch before printing any error.
6853         (Target_arm::merge_object_attributes): Ditto.
6854         * gold.cc (queue_middle_tasks): Handle the case in which there is
6855         no regular object in input.
6856         * options.cc (General_options::parse_EB): New method.
6857         (General_options::parse_EL): Same.
6858         (General_options::General_options): Initialize endianness_.
6859         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6860         New options.
6861         (General_options::Endianness): New enum.
6862         (General_options::endianness): New method.
6863         (General_options::endianness_): New data member.
6864         * parameters.cc (Parameters::set_options): Check target endianness.
6865         (Parameters::set_target_once): Ditto.
6866         (Parameters::check_target_endianness): New method.
6867         (parameters_force_valid_target): If either -EL or -EB is specified,
6868         use it to define endianness of default target.
6869         * parameters.h (Parameters::check_target_endianness): New method
6870         declaration.
6871         * target.h (class Target): Change "endianity" to "endianness"
6872         in comments.
6873
6874 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6875
6876         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6877         * configure: Regenerate.
6878         * Makefile.in: Regenerate.
6879         * testsuite/Makefile.in: Regenerate.
6880
6881 2010-04-06  Cary Coutant  <ccoutant@google.com>
6882
6883         gcc PR lto/42757
6884         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6885         prevailing definitions of common symbols.
6886         * testsuite/plugin_test_6.sh: New test case.
6887         * testsuite/plugin_common_test_1.c: New test case.
6888         * testsuite/plugin_common_test_2.c: New test case.
6889         * testsuite/Makefile.am (plugin_test_6): New test case.
6890         * testsuite/Makefile.in: Regenerate.
6891
6892 2010-04-06  Nick Clifton  <nickc@redhat.com>
6893
6894         * po/vi.po: New Vietnamese translation.
6895
6896 2010-03-30  Doug Kwan  <dougkwan@google.com>
6897
6898         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6899
6900 2010-03-25  Doug Kwan  <dougkwan@google.com>
6901
6902         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6903         to avoid a conversion warning on a 32-bit host.
6904
6905 2010-03-24  Ian Lance Taylor  <iant@google.com>
6906
6907         * testsuite/script_test_3.t: Add a TLS segment.
6908         * testsuite/Makefile.am (check_PROGRAMS): Add
6909         tls_phdrs_script_test.
6910         (tls_phdrs_script_test_SOURCES): Define.
6911         (tls_phdrs_script_test_DEPENDENCIES): Define.
6912         (tls_phdrs_script_test_LDFLAGS): Define.
6913         (tls_phdrs_script_test_LDADD): Define.
6914         * testsuite/Makefile.in: Rebuild.
6915
6916 2010-03-23  Cary Coutant  <ccoutant@google.com>
6917
6918         * fileread.cc (find_or_make_view): Fix comment.
6919
6920 2010-03-23  Ian Lance Taylor  <iant@google.com>
6921
6922         * script-sections.cc (class Orphan_section_placement): Define
6923         PLACE_TLS and PLACE_TLS_BSS.
6924         (Orphan_section_placement::Orphan_section_placement): Initialize
6925         new places.
6926         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6927         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6928         (tls_script_test_SOURCES): Define.
6929         (tls_script_test_DEPENDENCIES): Define.
6930         (tls_script_test_LDFLAGS): Define.
6931         (tls_script_test_LDADD): Define.
6932         * testsuite/Makefile.in: Rebuild.
6933
6934 2010-03-22  Doug Kwan  <dougkwan@google.com>
6935
6936         * arm.cc (Arm_relocate_functions::abs8,
6937         Arm_relocate_functions::abs16): Use correct check for overflow
6938         specified in the ARM ELF specs.
6939         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6940         target of a BLX instruction specially.
6941         (Reloc_stub::stub_type_for_reloc): Ditto.
6942         (Relocate::relocate): Use symbolic names instead of numeric relocation
6943         codes to report error.
6944         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6945         workaround.
6946         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6947         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6948         thumb2_blx_out_of_range.stdout
6949         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6950         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6951         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6952         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6953         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6954         thumb2_blx_in_range, thumb2_blx_in_range.o,
6955         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6956         thumb2_blx_out_of_range.o): New rules.
6957         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6958         thumb2_blx_in_range and thumb2_blx_out_of_range.
6959         * testsuite/Makefile.in: Regenerate.
6960         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6961         * testsuite/thumb_blx_in_range.s: New file.
6962         * testsuite/thumb_blx_out_of_range.s: New file.
6963
6964 2010-03-22  Rafael Espindola  <espindola@google.com>
6965
6966         * archive.cc (Should_include): Move to archive.h.
6967         (should_include_member): Make it a member of Archive.
6968         (Lib_group): New.
6969         (Add_lib_group_symbols): New.
6970         * archive.h: Include options.h.
6971         (Archive_member): Moved from Archive.
6972         (Should_include): Moved from archive.cc.
6973         (Lib_group): New.
6974         (Add_lib_group_symbols): New.
6975         * dynobj.cc (do_should_include_member): New.
6976         * dynobj.h (do_should_include_member): New.
6977         * gold.cc (queue_initial_tasks): Update call to queue.
6978         * main.cc (main): Print lib group stats.
6979         * object.cc (do_should_include_member): New.
6980         * object.h: Include archive.h.
6981         (Object::should_include_member): New.
6982         (Object::do_should_include_member): New.
6983         (Sized_relobj::do_should_include_member): New.
6984         * options.cc (General_options::parse_start_lib): New.
6985         (General_options::parse_end_lib): New.
6986         (Input_arguments::add_file): Handle lib groups.
6987         (Input_arguments::start_group): Check we are not in a lib.
6988         (Input_arguments::start_lib): New.
6989         (Input_arguments::end_lib): New.
6990         * options.h (General_options): Add start_lib and end_lib.
6991         (Input_argument::lib_): New.
6992         (Input_argument::lib): New.
6993         (Input_argument::is_lib): New.
6994         (Input_file_lib): New.
6995         (Input_arguments::in_lib_): New.
6996         (Input_arguments::in_lib): New.
6997         (Input_arguments::start_lib): New.
6998         (Input_arguments::end_lib_): New.
6999         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7000         in unused members as preempted.
7001         (Sized_pluginobj::do_should_include_member): New.
7002         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7003         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7004         return the blocker.
7005         (Read_symbols::do_whole_lib_group): New.
7006         (Read_symbols::do_lib_group): New.
7007         (Read_symbols::do_read_symbols): Handle lib groups.
7008         (Read_symbols::get_name): Handle lib groups.
7009         * readsyms.h (Read_symbols): Add an archive member pointer.
7010         (Read_symbols::do_whole_lib_group): New.
7011         (Read_symbols::do_lib_group): New.
7012         (Read_symbols::member_): New.
7013         * script.cc (read_input_script): Update call to queue_soon.
7014
7015 2010-03-19  Doug Kwan  <dougkwan@google.com>
7016
7017         * arm.cc (Stub_table::Stub_table): Initialize new data members
7018         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7019         (Stub_table::add_reloc_stub): Assign stub offset and update
7020         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7021         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7022         New data members.
7023         (Stub_table::update_data_size_and_addralign): Use
7024         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7025         instead of going over all reloc stubs.
7026         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7027         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7028         Stringpool_template::offset_ to size of Stringpool_char.
7029         (Stringpool_template::new_key_offset): Remove code to initialize
7030         Stringpool_template::offset_.
7031         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7032         Stringpool_template::offset_ to zero.
7033
7034 2010-03-15  Doug Kwan  <dougkwan@google.com>
7035
7036         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7037         offset_.
7038         (Stringpool_template::new_key_offset): New method.
7039         (Stringpool_template::add_string): Assign offsets when adding new
7040         strings.
7041         (Stringpool_template::set_string_offsets): Do not set string offsets
7042         when not optimizing.
7043         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7044         member size_.
7045         (Chunked_vector::clear): Clear size_.
7046         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7047         (Chunked_vector::size): Return size_.
7048         (Chunked_vector::push_back): Use size_ to find insert position.
7049         (Chunked_vector::size_): New data member.
7050         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7051         (Stringpool_template::new_key_offset): New method declaration.
7052         (Stringpool_template::offset_): New data member.
7053
7054 2010-03-15   Rafael Espindola  <espindola@google.com>
7055
7056         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7057         Add_symbols' constructor.
7058         * readsyms.h (Add_symbols): Remove the input_group member.
7059
7060 2010-03-10  Ian Lance Taylor  <iant@google.com>
7061
7062         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7063         target to ask whether a reference to a symbol requires a stack
7064         split.
7065         * target.h (Target::is_call_to_non_split): New function.
7066         (Target::do_is_call_to_non_split): Declare virtual function.
7067         * target.cc: Include "symtab.h".
7068         (Target::do_is_call_to_non_split): New function.
7069         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7070
7071 2010-03-10  Cary Coutant  <ccoutant@google.com>
7072
7073         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7074         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7075         (File_read::open[2]): Add whole_file_view_ to list of views.
7076         (File_read::make_view): Remove test of whole_file_view_.
7077         (File_read::find_or_make_view): Create whole_file_view_ if
7078         necessary.
7079         (File_read::clear_views): Replace bool parameter with enum;
7080         adjust all callers.  Don't delete views with permanent data;
7081         do delete cached views and views from archives if
7082         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7083         if clearing the corresponding view.
7084         * fileread.h (File_read::Clear_views_mode): New enum.
7085         (File_read::View::is_permanent_view): New method.
7086         (File_read::clear_views): Replace bool parameter
7087         with enum; adjust all callers.
7088         * options.h (General_options): Change keep_files_mapped option;
7089         add map_whole_files.
7090         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7091         releasing the file.
7092         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7093         the file.
7094
7095 2010-03-10  David S. Miller  <davem@davemloft.net>
7096
7097         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7098
7099 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7100
7101         * icf.cc (get_section_contents): Add '@' marker after processing the
7102         merge reloc.
7103
7104 2010-03-08  Doug Kwan  <dougkwan@google.com>
7105
7106         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7107         due to a conversion warning.
7108         (Arm_relobj::update_output_local_symbol_count): Check for local
7109         symbol with unset output index.
7110
7111 2010-03-05  Ian Lance Taylor  <iant@google.com>
7112
7113         * options.h (class General_options): Add --spare-dynamic-tags.
7114         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7115         --spare-dynamic-tags.
7116
7117 2010-03-05  Ian Lance Taylor  <iant@google.com>
7118
7119         * incremental.cc: Include "libiberty.h".
7120
7121 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7122
7123         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7124         function, is_info_ member.
7125         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7126         (Versions::Versions): Update caller.
7127         (Versions::define_base_version): Likewise.
7128         (Versions::add_def): Likewise.
7129
7130 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7131
7132         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7133         (Scan::possible_function_pointer_reloc): New function.
7134         (Scan::local_reloc_may_be_function_pointer): Change to call
7135         possible_function_pointer_reloc.
7136         (Scan::global_reloc_may_be_function_pointer): Ditto.
7137         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7138         relocations in ".data.rel.ro._ZTV" section.
7139         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7140         * testsuite/icf_safe_so_test.cc: Ditto.
7141         * testsuite/icf_safe_test.cc: Ditto.
7142         * testsuite/icf_safe_test.sh: Ditto.
7143
7144 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7145             Ian Lance Taylor  <iant@google.com>
7146
7147         * target-reloc.h (relocate_section): Check the symbol table index
7148         for -1U before setting the local symbol index.
7149         (scan_relocatable_relocs): If copying the relocation, record that
7150         the local symbol is required.
7151         * object.h (Symbol_value::is_output_symtab_index_set): New
7152         function.
7153         (Symbol_value::may_be_discarded_from_output_symtab): New
7154         function.
7155         (Symbol_value::has_output_symtab_entry): New function.
7156         (Symbol_value::needs_output_symtab_entry): Remove.
7157         (Symbol_value::output_symtab_index): Make sure the symbol index is
7158         set.
7159         (Symbol_value::set_output_symtab_index): Make sure the symbol
7160         index is not set.  Make sure the new index is valid.
7161         (Symbol_value::set_must_have_output_symtab_entry): New function.
7162         (Symbol_value::has_output_dynsym_entry): New function.
7163         (Symbol_value::set_output_dynsym_index): Make sure the new index
7164         is valid.
7165         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7166         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7167         local symbol if permitted.
7168         (Sized_relobj::do_finalize_local_symbols): Call
7169         is_output_symtab_index_set rather than needs_output_symtab_entry.
7170         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7171         rather than needs_output_symtab_entry.  Call
7172         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7173         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7174         is_output_symtab_index_set rather than needs_output_symtab_entry.
7175         * testsuite/discard_locals_relocatable_test.c: New file.
7176         * testsuite/discard_locals_test.sh: Test -r.
7177         * testsuite/Makefile.am (check_DATA): Add
7178         discard_locals_relocatable_test1.syms,
7179         discard_local_relocatable_test2.syms.
7180         (MOSTLYCLEANFILES): Likewise.  Also add
7181         discard_locals_relocatable_test1.lout and
7182         discard_locals_relocatable_test2.out.
7183         (discard_locals_relocatable_test1.syms): New target.
7184         (discard_locals_relocatable_test.o): New target.
7185         (discard_locals_relocatable_test1.out): New target.
7186         (discard_locals_relocatable_test2.syms): New target.
7187         (discard_locals_relocatable_test2.out): New target.
7188         (various): Add missing ../ld-new dependencies.
7189         * testsuite/Makefile.in: Rebuild.
7190
7191 2010-03-03  Nick Clifton  <nickc@redhat.com>
7192
7193         * po/fi.po: New Finnish translation.
7194
7195 2010-03-01  Doug Kwan  <dougkwan@google.com>
7196
7197         * layout.cc (Layout::Layout): Force section types of .init_array*,
7198         .preinit_array* and .fini_array* sections.
7199         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7200         Fix check of return value of std::string::find.().
7201         (Output_section::Input_section_sort_compare::operator()): Remove
7202         comment about .init_array.
7203         (Output_section::Input_section_sort_init_fini_compare::operator()):
7204         New method.
7205         (Output_section::sort_attached_input_sections): Handle .init_array
7206         and .fini_array specially.
7207         * output.h (Output_section::Inut_section_sort_compare): Update
7208         comment.
7209         (Output_section::Input_section_sort_init_fini_compare): New struct.
7210
7211 2010-02-26  Doug Kwan  <dougkwan@google.com>
7212
7213         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7214         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7215         * testsuite/debug_msg.sh: Avoid matching source line number for
7216         use of global variable undef_int.
7217
7218 2010-02-26  Doug Kwan  <dougkwan@google.com>
7219
7220         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7221         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7222         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7223         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7224         * options.cc (General_options::General_options): Initialize member
7225         fix_v4bx_.
7226         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7227         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7228         and rm_no_fix_v4bx.stdout
7229         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7230         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7231         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7232         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7233         and arm_no_fix_v4bx.
7234         * Makefile.in: Regenerate.
7235         * testsuite/arm_fix_v4bx.s: New file.
7236         * testsuite/arm_fix_v4bx.sh: Ditto.
7237
7238 2010-02-24  Doug Kwan  <dougkwan@google.com>
7239
7240         * arm.cc (Target_arm::got_section): Make the .got section the first
7241         non RELRO section in the data segment.
7242         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7243         suffixes of section names.
7244
7245 2010-02-24  Doug Kwan  <dougkwan@google.com>
7246
7247         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7248         flags and attributes merging if an input file is a binary file.
7249         * fileread.cc (Input_file::open): Record format of original file.
7250         * fileread.h (Input_file::Format): New enum type.
7251         (Input_file::Input_file): Initialize data member format_.
7252         (Input_file::format): New method definition.
7253         (Input_file::format_):: New data member.
7254
7255 2010-02-24  Doug Kwan  <dougkwan@google.com>
7256
7257         * arm.cc (Arm_output_data_got): New class.
7258         (ARM_TCB_SIZE): New constant
7259         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7260         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7261         If user uses a script with a SECTIONS clause, issue only a warning
7262         for a misplaced EXIDX input section.  Otherwise, issue an error.
7263         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7264         garbage collection.
7265         (Target_arm::got_mode_index_entry): Handle static linking.
7266         (Target_arm::Scan::local): Ditto.
7267         (Target_arm::Scan::global): Ditto.
7268         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7269         all incorrectly implemented relocations.
7270         (Target_arm::fix_exidx_coverage): Pass layout to
7271         Arm_output_section::fix_exidx_coverage.
7272         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7273         from ".ARM.exidx." and ".ARM.extab.".
7274
7275 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7276
7277         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7278         section if it does not already exist.
7279         * attributes.cc (Attributes_section_data::Attributes_section_data):
7280         Don't crash if size is zero.
7281
7282 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7283             Ian Lance Taylor  <iant@google.com>
7284
7285         * gold.cc (queue_middle_tasks): If no input files were opened,
7286         exit.
7287         * workqueue.h (Task_function::Task_function): Assert that there is
7288         a blocker.
7289
7290 2010-02-22  Doug Kwan  <dougkwan@google.com>
7291
7292         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7293         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7294         types to avoid warnings due to different uint64_t implementations
7295         on different hosts.
7296
7297 2010-02-21  Doug Kwan  <dougkwan@google.com>
7298
7299         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7300         handling of the maximum backward branch offset.
7301         (Arm_relocate_functions::thumb_branch_common): Ditto.
7302         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7303         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7304         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7305         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7306         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7307         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7308         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7309         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7310         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7311         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7312         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7313         thumb2_bl_out_of_range.o): New rules.
7314         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7315         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7316         thumb2_bl_out_of_range
7317         * testsuite/Makefile.in: Regenerate.
7318         * testsuite/arm_bl_in_range.s: New file.
7319         * testsuite/arm_bl_out_of_range.s: Ditto.
7320         * testsuite/arm_branch_in_range.sh: Ditto.
7321         * testsuite/arm_branch_range.t: Ditto.
7322         * testsuite/thumb2_branch_range.t: Ditto.
7323         * testsuite/thumb_bl_in_range.s: Ditto.
7324         * testsuite/thumb_bl_out_of_range.s: Ditto.
7325         * testsuite/thumb_branch_range.t: Ditto.
7326
7327 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7328
7329         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7330         Add reloc offset information.
7331         * icf.cc (get_section_contents): Change iterators to point to the new
7332         vectors. Add reloc offset information to the contents.
7333         * icf.h (Icf::Sections_reachable_info): New typedef.
7334         (Icf::Sections_reachable_list): New typedef.
7335         (Icf::Offset_info): New typedef.
7336         (Icf::Reloc_info): New struct typedef.
7337         (Icf::Reloc_info_list): New typedef.
7338         (Icf::symbol_reloc_list): Delete method.
7339         (Icf::addend_reloc_list): Delete method.
7340         (Icf::section_reloc_list): Delete method.
7341         (Icf::reloc_info_list): New method.
7342         (Icf::reloc_info_list_): New member.
7343
7344 2010-02-19  Doug Kwan  <dougkwan@google.com>
7345
7346         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7347         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7348         * arm.cc (Arm_relocation_functions): New forward declaration.
7349         (Target_arm::Target_arm): Initialize new data members
7350         got_mod_index_offset_ and tls_base_symbol_defined_.
7351         (Target_arm::Relocate::relocate_tls): New method.
7352         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7353          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7354         New methods.
7355         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7356         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7357         (Target_arm::got_mod_index_offset_,
7358         Target_arm::tls_base_symbol_defined_): New data members.
7359         (Target_arm::Scan::local, Target::Scan::global,
7360         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7361         relocations.
7362
7363 2010-02-18  Doug Kwan  <dougkwan@google.com>
7364
7365         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7366         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7367         text section as a parameter becuase some broken tools may not set
7368         the link in section header.
7369         (Target_arm::has_got_section): New method.
7370         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7371         without any mapping symbol as data only.  Remove warning.
7372         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7373         link in its section header, try to discover the link by inspecting the
7374         REL31 relocation at the beginning of the section.
7375         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7376         in error message.
7377         (Target_arm::Scan::global): Treat any reference to the symbol
7378         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7379
7380 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7381
7382         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7383         (Scan::global_reloc_may_be_function_pointer): New function.
7384         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7385         (Scan::global_reloc_may_be_function_pointer): New function.
7386         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7387         (Scan::global_reloc_may_be_function_pointer): New function.
7388         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7389         (Scan::global_reloc_may_be_function_pointer): New function.
7390         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7391         (Scan::global_reloc_may_be_function_pointer): New function.
7392         (Scan::possible_function_pointer_reloc): New function.
7393         (Target_x86_64::can_check_for_function_pointers): New function.
7394         * gc.h (gc_process_relocs): Scan relocation types to determine if
7395         function pointers were taken for targets that support it.
7396         * icf.cc (Icf::find_identical_sections): Include functions for
7397         folding in safe ICF whose pointer is not taken.
7398         * icf.h (Secn_fptr_taken_set): New typedef.
7399         (fptr_section_id_): New member.
7400         (section_has_function_pointers): New function.
7401         (set_section_has_function_pointers): New function.
7402         (check_section_for_function_pointers): New function.
7403         * options.h: Fix comment for safe ICF option.
7404         * target.h (can_check_for_function_pointers): New function.
7405         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7406         Modify icf_safe_test for X86-64.
7407         * testsuite/Makefile.in: Regenerate.
7408         * testsuite/icf_safe_so_test.cc: New file.
7409         * testsuite/icf_safe_so_test.sh: New file.
7410         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7411         (main): Change to take pointer to function kept_func_3.
7412         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7413         folding is done correctly for X86-64.
7414
7415 2010-02-12  David S. Miller  <davem@davemloft.net>
7416
7417         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7418         is_symbolless parameter.
7419         (Output_reloc<SHT_REL>::is_symbolless): New.
7420         (Output_reloc<SHT_REL>::is_symbolless_): New.
7421         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7422         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7423         (Output_reloc<SHT_RELA>::is_symbolless): New.
7424         (Output_data_reloc::add_global): Handle is_symbolless.
7425         (Output_data_reloc::add_global_relative): Likewise.
7426         (Output_data_reloc::add_local): Likewise.
7427         (Output_data_reloc::add_local_relative): Likewise.
7428         (Output_data_reloc::add_symbolless_global_addend): New.
7429         (Output_data_reloc::add_symbolless_local_addend): New.
7430         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7431         is_symbolless.
7432         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7433         instead of ->is_relative_
7434         (Output_reloc::write): Likewise.
7435         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7436         (Output_reloc::write_rel): Simplify.
7437
7438         * sparc.cc (Target_sparc::Scan::local): Use
7439         ->add_symbolless_local_addend as needed.
7440         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7441         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7442         based upon relocation offset.
7443
7444 2010-02-11  Doug Kwan  <dougkwan@google.com>
7445
7446         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7447         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7448         beginning of function.
7449         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7450         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7451         parameter is_32bit in calls to should_apply_static_reloc.
7452         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7453         (check_DATA): Add arm_abs_global.stdout.
7454         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7455         arm_abs_global.stdout): New rules.
7456         (MOSTLLYCLEANFILES): Add arm_abs_global
7457         * Makefile.in: Regenerate.
7458         * testsuite/arm_abs_global.s: New file.
7459         * testsuite/arm_abs_global.sh: Ditto.
7460         * testsuite/arm_abs_lib.s: Ditto.
7461
7462 2010-02-11  Ian Lance Taylor  <iant@google.com>
7463
7464         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7465         Read_relocs task.
7466         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7467         Allocate_commons_task first.
7468         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7469         task, rather than symtab_lock_.
7470         (Gc_process_relocs::~Gc_process_relocs): New function.
7471         (Gc_process_relocs::is_runnable): Check this_blocker_.
7472         (Gc_process_relocs::locks): Use next_blocker_ rather than
7473         blocker_.
7474         (Scan_relocs::~Scan_relocs): New function.
7475         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7476         symtab_lock_.
7477         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7478         next_blocker_.
7479         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7480         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7481         constructor accordingly.
7482         (class Gc_process_relocs): Likewise.
7483         (class Scan_relocs): Likewise.
7484         * common.h (class Allocate_commons_task): Remove symtab_lock_
7485         field, and corresponding constructor parameter.
7486         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7487         symtab_lock_.
7488         (Allocate_commons_task::locks): Likewise.
7489
7490 2010-02-11  Ian Lance Taylor  <iant@google.com>
7491
7492         * gold-threads.h (class Once): Define.
7493         (class Initialize_lock): Rewrite as child of Once.
7494         * gold-threads.cc (class Once_initialize): Define.
7495         (once_pointer_control): New static variable.
7496         (once_pointer, once_arg): New static variables.
7497         (c_run_once): New static function.
7498         (Once::Once, Once::run_once, Once::internal_run): New functions.
7499         (class Initialize_lock_once): Remove.
7500         (initialize_lock_control): Remove.
7501         (initialize_lock_pointer): Remove.
7502         (initialize_lock_once): Remove.
7503         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7504         (Initialize_lock::initialize): Rewrite.
7505         (Initialize_lock::do_run_once): New function.
7506         * archive.cc (Archive::interpret_header): Only clear name if it is
7507         not already empty.
7508         * fileread.cc: Include "gold-threads.h"
7509         (file_counts_lock): New static variable.
7510         (file_counts_initialize_lock): Likewise.
7511         (File_read::release): Only increment counts when using --stats.
7512         Use a lock around the increment.
7513         * parameters.cc (class Set_parameters_target_once): Define.
7514         (set_parameters_target_once): New static variable.
7515         (Parameters::Parameters): Move here from parameters.h.
7516         (Parameters::set_target): Rewrite.
7517         (Parameters::set_target_once): New function.
7518         (Parameters::clear_target): Move here and rewrite.
7519         * parameters.h (class Parameters): Update declarations.  Add
7520         set_parameters_target_once_ field.
7521         (Parameters::Parameters): Move to parameters.cc.
7522         (Parameters::clear_target): Likewise.
7523         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7524         task.
7525         (Start_group::~Start_group): New function.
7526         (Start_group::is_runnable): New function.
7527         (Start_group::locks, Start_group::run): New functions.
7528         (Finish_group::run): Change saw_undefined to size_t.
7529         * readsyms.h (class Start_group): Define.
7530         (class Finish_group): Change saw_undefined_ field to size_t.
7531         (Finish_group::Finish_group): Remove saw_undefined and
7532         this_blocker parameters.  Change all callers.
7533         (Finish_group::set_saw_undefined): New function.
7534         (Finish_group::set_blocker): New function.
7535         * symtab.h (class Symbol_table): Change saw_undefined to return
7536         size_t.  Change saw_undefined_ field to size_t.
7537         * target-select.cc (Set_target_once::do_run_once): New function.
7538         (Target_selector::Target_selector): Initialize set_target_once_
7539         field.  Don't initialize lock_ and initialize_lock_ fields.
7540         (Target_selector::instantiate_target): Rewrite.
7541         (Target_selector::set_target): New function.
7542         * target-select.h (class Set_target_once): Define.
7543         (class Target_selector): Update declarations.  Make
7544         Set_target_once a friend.  Remove lock_ and initialize_lock_
7545         fields.  Add set_target_once_ field.
7546
7547 2010-02-10  Ian Lance Taylor  <iant@google.com>
7548
7549         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7550         queueing any tasks.
7551         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7552         (queue_middle_tasks): Add all blockers before queueing any tasks.
7553         (queue_final_tasks): Likewise.
7554         * token.h (Task_token::add_blockers): New function.
7555         * object.h (Input_objects::number_of_relobjs): New function.
7556
7557 2010-02-10  Ian Lance Taylor  <iant@google.com>
7558
7559         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7560         shared, not if not position independent.
7561         * x86_64.cc (Relocate::relocate_tls): Likewise.
7562         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7563         (tls_pie_pic_test): New target.
7564         * testsuite/Makefile.in: Rebuild.
7565
7566         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7567         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7568         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7569         * testsuite/Makefile.in: Rebuild.
7570
7571 2010-02-09  David S. Miller  <davem@davemloft.net>
7572
7573         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7574         R_SPARC_RELATIVE using ->add_local_relative().
7575         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7576
7577         * output.h (Output_data_dynamic::add_section_size): New method
7578         that takes two Output_data objects.
7579         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7580         entry param.  Handle it in initializers.
7581         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7582         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7583         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7584         arg.
7585         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7586         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7587         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7588         for dynrel_includes_plt.
7589         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7590         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7591         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7592         before .rela.plt
7593         (Target_sparc::do_finalize_sections): Update to pass true for
7594         dynrel_includes_plt.
7595         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7596         output before .rela.plt
7597         (Target_powerpc::do_finalize_sections): Update to pass true for
7598         dynrel_includes_plt when 32-bit.
7599
7600 2010-02-08  Doug Kwan  <dougkwan@google.com>
7601
7602         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7603         method.
7604         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7605         Arm_relobj::scan_section_for_cortex_a8_stubs,
7606         Arm_relobj::do_relocation_section): Instead of calling
7607         Output_section::output_address, use faster
7608         Arm_relobj::simple_input_section_output_address.
7609
7610 2010-02-08  David S. Miller  <davem@davemloft.net>
7611
7612         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7613         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7614         relocation helper function.
7615
7616         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7617         just like R_SPARC_GOT{10,13,22}.
7618         (Target_sparc::Scan::local): Likewise.
7619         (Target_sparc::Relocate:relocate): Likewise.
7620
7621 2010-02-06  Ian Lance Taylor  <iant@google.com>
7622
7623         * configure.ac: Rewrite targetobjs duplicate removal code to use
7624         only shell constructs.
7625         * configure: Rebuild.
7626
7627 2010-02-05  Doug Kwan  <dougkwan@google.com>
7628
7629         PR 11247
7630         * arm.cc (Arm_relobj::section_is_scannable): New method.
7631         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7632         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7633
7634 2010-02-04  Doug Kwan  <dougkwan@google.com>
7635
7636         PR 11247
7637         * arm-reloc-property.cc (cstdio): Include.
7638         * configure.ac (targetobjs): Remove duplicates.
7639         * configure: Regenerate.
7640         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7641         big and little endian version for a given address size.
7642
7643 2010-02-03  Doug Kwan  <dougkwan@google.com>
7644
7645         * arm-reloc-property.cc
7646         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7647         definition.
7648         * arm-reloc-property.h
7649         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7650         New method definition.
7651         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7652         declaration.
7653         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7654         overflow to N.
7655         (GOT_PREL): Change implemented to Y.
7656         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7657         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7658         (Arm_relocate_functions::movw_abs_nc): Remove method.
7659         (Arm_relocate_functions::movt_abs): Ditto.
7660         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7661         (Arm_relocate_functions::thm_movt_abs): Ditto.
7662         (Arm_relocate_functions::movw_rel_nc): Ditto.
7663         (Arm_relocate_functions::movw_rel): Ditto.
7664         (Arm_relocate_functions::movt_rel): Ditto.
7665         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7666         (Arm_relocate_functions:thm_movw_rel): Ditto.
7667         (Arm_relocate_functions:thm_movt_rel): Ditto.
7668         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7669         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7670         New method definitions.
7671         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7672         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7673         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7674         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7675         (Target_arm::Relocate::relocate): Check for non-static or
7676         unimplemented relocation code and exit early.  Change calls to
7677         Target_arm::reloc_uses_thumb_bit and
7678         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7679         instead.  Refactor code to handle similar relocations to increase
7680         code sharing.  Remove check for unsupported relocation code in switch
7681         statement.
7682         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7683         relocation property table to find out size.  Change error message to
7684         print out the name of a relocation code instead of the numeric value.
7685         (Target_arm::scan_reloc_for_stub): Use relocation property table
7686         instead of calling Target_arm::reloc_uses_thumb_bit().
7687
7688 2010-02-02  Doug Kwan  <dougkwan@google.com>
7689
7690         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7691         types of relaxed input section.
7692
7693 2010-02-02  Doug Kwan  <dougkwan@google.com>
7694
7695         * Makefile.am (HFILES): Add arm-reloc-property.h.
7696         (DEFFILES): New.
7697         (TARGETSOURCES): Add arm-reloc-property.cc
7698         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7699         (libgold_a_SOURCES): $(DEFFILES)
7700         * Makefile.in: Regenerate.
7701         * arm-reloc-property.cc: New file.
7702         * arm-reloc-property.h: New file.
7703         * arm-reloc.def: New file.
7704         * arm.cc: Update comments.
7705         (arm-reloc-property.h): New included header.
7706         (arm_reloc_property_table): New global variable.
7707         (Target_arm::do_select_as_default_target): New method definition.
7708         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7709         arm-reloc-property to targ_extra_obj.
7710         * parameters.cc (set_parameters_target): Call
7711         Target::select_as_default_target().
7712         * target.h (Target::select_as_default_target): New method definition.
7713         (Target::do_select_as_default_target): Same.
7714
7715 2010-02-01  Doug Kwan  <dougkwan@google.com>
7716
7717         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7718         first_output_text_section_.
7719         (Arm_exidx_fixup::first_output_text_section): New method definition.
7720         (Arm_exidx_fixup::first_output_text_section_): New data member.
7721         (Arm_exidx_fixup::process_exidx_section): Record the first text
7722         output section seen.
7723         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7724         and entsize in output section header.
7725
7726 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7727
7728         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7729         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7730         (Arm_relocate_functions::thm_alu11): New Method.
7731         (Arm_relocate_functions::thm_pc8): New Method.
7732         (Arm_relocate_functions::thm_pc12): New Method.
7733         (Target_arm::Scan::local): Handle the relocations.
7734         (Target_arm::Scan::global): Likewise.
7735         (Target_arm::Relocate::relocate): Likewise.
7736         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7737
7738 2010-01-29  Doug Kwan  <dougkwan@google.com>
7739
7740         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7741         of relocation types as ld.
7742
7743 2010-01-29  Doug Kwan  <dougkwan@google.com>
7744
7745         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7746         to public.
7747         (Arm_relocate_functions::thumb_branch_common): Ditto.
7748         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7749         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7750         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7751         Arm_relocate_functions::jump24): Remove.
7752         (Target_arm::Relocate::relocate): Adjust code to call
7753         Arm_relocation_functions::arm_branch_common and
7754         Arm_relocation_functions::thumb_branch_common instead of their removed
7755         wrappers.  Merge switch-cases together to reduce source code size.
7756
7757 2010-01-29  Doug Kwan  <dougkwan@google.com>
7758
7759         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7760         output_local_symbol_count_needs_update_.
7761         (Arm_relobj::output_local_symbol_count_needs_update,
7762          Arm_relobj::set_output_local_symbol_count_needs_update,
7763          Arm_relobj::update_output_local_symbol_count): New methods.
7764         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7765         member.
7766         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7767         of pointed function as in a R_ARM_PREL31 relocation.
7768         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7769         for output local symbol count updating.
7770         (Target_arm::do_relax): Update output local symbol counts in objects
7771         if necessary.
7772         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7773
7774 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7775
7776         * arm.cc: Added support for the ARM relocations:
7777         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7778         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7779         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7780         movw_prel_nc).
7781         (Arm_relocate_functions::movw_rel): New method.
7782         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7783         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7784         thm_movw_prel_nc).
7785         (Arm_relocate_functions::thm_movw_rel): New method.
7786         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7787         thm_movt_prel).
7788         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7789         relocations.
7790         (Target_arm::Scan::global): Likewise.
7791         (Target_arm::Relocate::relocate): Likewise.
7792         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7793         Likewise.
7794
7795 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7796
7797         * arm.cc: Added support for ARM group relocations.
7798         (Target_arm::reloc_needs_sym_origin): New method.
7799         (Arm_relocate_functions::calc_grp_kn): New method.
7800         (Arm_relocate_functions::calc_grp_residual): New method.
7801         (Arm_relocate_functions::calc_grp_gn): New method.
7802         (Arm_relocate_functions::arm_grp_alu): New Method.
7803         (Arm_relocate_functions::arm_grp_ldr): New Method.
7804         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7805         (Arm_relocate_functions::arm_grp_ldc): New Method.
7806         (Target_arm::Scan::local): Handle the ARM group relocations.
7807         (Target_arm::Scan::global): Likewise.
7808         (Target_arm::Relocate::relocate): Likewise.
7809         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7810         Likewise.
7811
7812 2010-01-26  Doug Kwan  <dougkwan@google.com>
7813
7814         * arm.cc (set): Include.
7815         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7816         pointer type.
7817         (Arm_output_section::Text_section_list): New type.
7818         (Arm_output_section::append_text_sections_to_list): New method.
7819         (Arm_output_section::fix_exidx_coverage): Ditto.
7820         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7821         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7822         Relobj::set_section_offset() instead of
7823         Sized_relobj::invalidate_section_offset().
7824         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7825         parameter for section headers. Ignore relocation sections for
7826         unallocated sections and EXIDX sections.
7827         (Target_arm::fix_exidx_coverage): New method.
7828         (Target_arm::output_section_address_less_than): New type.
7829         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7830         linked text section instead of the EXIDX section.
7831         (Arm_output_section::create_stub_group): Add an assertion to check
7832         that this is not an EXIDX output section.
7833         (Arm_output_section::append_text_sections_to_list): New method.
7834         (Arm_output_section::fix_exidx_coverage): Ditto.
7835         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7836         Arm_relobj::section_needs_reloc_stub_scanning.
7837         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7838         first pass.
7839         (Target_arm::fix_exidx_coverage): New method.
7840         * object.h (Relobj::set_output_section): New method.
7841         (Sized_relobj::invalidate_section_offset): Remove method.
7842         (Sized_relobj::do_invalidate_section_offset): Remove method.
7843         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7844
7845 2010-01-25  Doug Kwan  <dougkwan@google.com>
7846
7847         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7848         Fix warning due to signed and unsigned comparison on a 32-bit host.
7849
7850 2010-01-22  Doug Kwan  <dougkwan@google.com>
7851
7852         * arm.cc (Target_arm::do_relax): Record an output section for section
7853         offset adjustment it contains any stub table that has changed.
7854         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7855         offsets in an output section if necessary.
7856         * output.cc (Output_section::Output_section): Initialize
7857         section_offsets_need_adjustments_.
7858         (Output_section::add_input_section_for_script): Renamed to
7859         Output_section::add_simple_input_section.
7860         (Output_section::save_states): Add a comment.
7861         (Output_section::discard_states): New method defintion.
7862         (Output_section::adjust_section_offsets): Same.
7863         * output.h (Output_section::add_input_section_for_script): Renamed to
7864         Output_section::add_simple_input_section.
7865         (Output_section::discard_states): New method declaration.
7866         (Output_section::adjust_section_offsets): Same.
7867         (Output_section::section_offsets_need_adjustment,
7868         Output_section::set_section_offsets_need_adjustment): New method
7869         definitions.
7870         (Output_section::section_offsets_need_adjustment_): New data member.
7871         * script-sections.cc
7872         (Output_section_element_input::set_section_address): Adjust code for
7873         renaming of Output_section::add_input_section_for_script.
7874         (Orphan_output_section::set_section_address): Same.
7875
7876 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7877
7878         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7879         Fix_v4bx enum values .
7880         * gold/options.h (General_options): New option definitions.
7881         (General_options::fix_v4bx): New method.
7882         (General_options::Fix_v4bx): New enum.
7883         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7884         (General_options::parse_fix_v4bx_interworking): New method.
7885
7886 2010-01-22  Doug Kwan  <dougkwan@google.com>
7887
7888         * arm.cc (Arm_exidx_fixup): New class.
7889
7890 2010-01-21  Doug Kwan  <dougkwan@google.com>
7891
7892         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7893         classes.
7894         (Arm_exidx_section_offset_map): New type.
7895
7896 2010-01-21  Doug Kwan  <dougkwan@google.com>
7897
7898         * arm.cc (Arm_exidx_input_section): New class.
7899         (Arm_relobj::exidx_input_section_by_link,
7900         Arm_relobj::exidx_input_section_by_shndx,
7901         Arm_relobj::make_exidx_input_section): New methods.
7902         (read_arm_attributes_section): Remove.
7903         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7904         information about them.
7905         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7906         to here.
7907
7908 2010-01-20  Doug Kwan  <dougkwan@google.com>
7909
7910         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7911         Input_section_specifier to Section_id.
7912         (Target_arm::new_arm_input_section: Adjust code for change of key
7913         type.
7914         (Target_arm::find_arm_input_section): Ditto.
7915         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7916         (Section_id): Remove.
7917         (Garbage_collection::Section_id_hash): Remove.
7918         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7919         (Section_id): Remove.
7920         (Icf::Section_id_hash): Remove.
7921         * object.h (Section_id, Const_section_id, Section_id_hash,
7922         Const_section_id_hash): New type definitions.
7923         * output.cc (Output_section::add_relaxed_input_section): Change to
7924         use Const_section_id instead of Input_section_specifier as key type.
7925         (Output_section::add_merge_input_section): Ditto.
7926         (Output_section::build_relaxation_map): Change to use Section_id
7927         instead of Input_section_specifier as key type.
7928         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7929         Ditto.
7930         (Output_section::convert_input_sections_to_relaxed_sections): Change
7931         to use Const_section_id instead of Input_section_specifier as key type.
7932         (Output_section::find_merge_section): Ditto.
7933         (Output_section::find_relaxed_input_section): Ditto.
7934         * output.h (Input_section_specifier): Remove class.
7935         (Output_section::Output_section_data_by_input_section_map): Change
7936         key type to Const_section_id.
7937         (Output_section::Output_relaxed_input_section_by_input_section_map):
7938         Ditto.
7939         (Output_section::Relaxation_map): Change key type to Section_id.
7940
7941 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7942
7943         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7944         (class Arm_v4bx_stub): New class.
7945         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7946         (Stub_factory::make_arm_v4bx_stub): New method.
7947         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7948         (Stub_table::empty): Handle v4bx stubs.
7949         (Stub_table::add_arm_v4bx_stub): New method.
7950         (Stub_table::find_arm_v4bx_stub): New method.
7951         (Arm_relocate_functions::v4bx): New method.
7952         (Target_arm::fix_v4bx): New method.
7953         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7954         (Stub_table::relocate_stubs): Likewise.
7955         (Stub_table::do_write): Likewise.
7956         (Stub_table::update_data_size_and_addralign): Likewise.
7957         (Stub_table::finalize_stubs):  Likewise.
7958         (Target_arm::Scan::local): Likewise.
7959         (Target_arm::Scan::global): Likewise.
7960         (Target_arm::do_finalize_sections): Likewise.
7961         (Target_arm::Relocate::relocate): Likewise.
7962         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7963         Likewise.
7964         (Target_arm::scan_reloc_for_stub): Likewise.
7965         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7966
7967 2010-01-19  Ian Lance Taylor  <iant@google.com>
7968
7969         * output.cc (Output_section_headers::do_sized_write): Write large
7970         segment count to sh_info field.
7971         (Output_file_header::do_sized_write): For large segment count,
7972         write PN_XNUM to e_phnum field.
7973
7974 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7975
7976         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7977         (Arm_relocate_functions::thm_jump8): New function.
7978         (Arm_relocate_functions::thm_jump11): New function.
7979         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7980         R_ARM_THM_JUMP11.
7981         (Target_arm::Scan::global): Likewise.
7982         (Target_arm::Relocate::relocate): Likewise.
7983         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7984         Likewise.
7985
7986 2010-01-14  Doug Kwan  <dougkwan@google.com>
7987
7988         * arm.cc (map, utility): Include headers.
7989         (Target_arm::apply_cortex_a8_workaround): New method.
7990         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7991         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7992         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7993         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7994         the --[no-]fix-cortex-a8 command line options.
7995         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7996         (Target_arm::relocate_stub): Use addend in instruction template.
7997         * options.h (DEFINE_bool): Set the user-set flag.
7998         (General_options): Add --[no-]-fix-cortex options.
7999         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8000         : Update fast look-up map after conversion.
8001
8002 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8003
8004         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8005         in the first pass of do_layout.
8006
8007 2010-01-13  Doug Kwan  <dougkwan@google.com>
8008
8009         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8010         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8011         apparent compiler problem of not folding static constant integral
8012         data members of elfcpp::Elf_sizes<32>.
8013
8014 2010-01-13  Doug Kwan  <dougkwan@google.com>
8015
8016         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8017         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8018         Arm_relobj::scan_section_for_cortex_a8_erratum,
8019         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8020         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8021         sections to scan for relocation stubs into a new method
8022         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8023         relocation and Cortex-A8 stub scanning.
8024         (Target_arm::do_relax): Force stubs to be after stubbed sections
8025         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8026         the beginning of a new relaxation pass.  Update a comment.
8027         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8028
8029 2010-01-12  Ian Lance Taylor  <iant@google.com>
8030
8031         * target-reloc.h (visibility_error): New inline function.
8032         (relocate_section): Call visibility_error.
8033         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8034         (MOSTLYCLEANFILES): Likewise.
8035         (protected_4_pic.o, protected_3.err): New targets.
8036         * testsuite/protected_4.cc: New file.
8037
8038 2010-01-12  Doug Kwan  <dougkwan@google.com>
8039
8040         * arm.cc (Cortex_a8_reloc): New class.
8041         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8042         and cortex_a8_relocs_info_.
8043         (Target_arm::fix_cortex_a8): New method definition.
8044         (Target_arm::Cortex_a8_relocs_info): New type.
8045         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8046         New data member declarations.
8047         (Target_arm::scan_reloc_for_stub): Record information about
8048         relocations for THUMB branches that might be exempted from the
8049         Cortex-A8 workaround.
8050         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8051         at the beginning of a relaxation pass.
8052
8053 2010-01-12  Doug Kwan  <dougkwan@google.com>
8054
8055         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8056         (Arm_relobj::Mapping_symbol_position,
8057          Arm_reloj::Mapping_symbol_position_less,
8058          Arm_relobj::Mapping_symbols_info): New types.
8059         (Target_arm::is_mapping_symbol_name): New method definition.
8060         (Arm_relobj::do_count_local_symbols): Save information about mapping
8061         symbols.
8062
8063 2010-01-11  Doug Kwan  <dougkwan@google.com>
8064
8065         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8066         Arm_relocate_functions::thumb32_branch_upper,
8067         Arm_relocate_functions::thumb32_branch_lower,
8068         Arm_relocate_functions::thumb32_cond_branch_offset,
8069         Arm_relocate_functions::thumb32_cond_branch_upper,
8070         Arm_relocate_functions::thumb32_cond_branch_lower,
8071         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8072         branch offset encoding.
8073         (Arm_relocate_functions::thumb_branch_common): Use new branch
8074         offset encoding methods to avoid code duplication.
8075         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8076         (Stub_addend_reader::operator()): Use new branch encoding method
8077         to avoid code duplication.
8078
8079 2010-01-11  Doug Kwan  <dougkwan@google.com>
8080
8081         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8082         (Target_arm::do_finalize_sections): Define special EXIDX section
8083         symbols only if referenced.
8084         * gc.h (Garbage_collection::add_reference): New method.
8085         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8086         code duplication.
8087
8088 2010-01-11  Ian Lance Taylor  <iant@google.com>
8089
8090         * script.cc (Version_script_info::build_expression_list_lookup):
8091         Change complaing about duplicate wildcard match from error to
8092         warning.
8093
8094         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8095         of 2009-12-30.
8096         (Version_script_info::Version_script_info): Initialize globs_,
8097         default_version_, default_is_global_, and exact_.  Don't
8098         initialize globals_ or locals_.
8099         (Version_script_info::build_lookup_tables): Build local symbols
8100         first.
8101         (Version_script_info::unquote): New function.
8102         (Version_script_info::add_exact_match): New function.
8103         (Version_script_info::build_expression_list_lookup): Remove lookup
8104         parameter.  Add is_global parameter.  Change all callers.  Handle
8105         wildcard pattern specially.  Unquote pattern.  Call
8106         add_exact_match.
8107         (Version_script_info::get_name_to_match): New function.
8108         (Version_script_info::get_symbol_version): New function.
8109         (Version_script_info::get_symbol_version_helper): Remove.
8110         (Version_script_info::check_unmatched_names): Call unquote.
8111         * script.h (class Version_script_info): Change get_symbol_version
8112         to be non-inline and add is_global parameter; change all callers.
8113         Rewrite symbol_is_local.  Update declarations.  Define struct
8114         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8115         Remove globals_ and locals_ members.  Add exact_, globs_,
8116         default_version_, is_global_.
8117         (Version_script_info::Glob): Remove pattern, add expression and
8118         is_global.  Update constructor.  Change all callers.
8119         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8120         default version.
8121         (Versions::symbol_section_contents): If a symbol is undefined, or
8122         defined in a dynamic object, set the version index to
8123         VER_NDX_LOCAL.
8124         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8125         symbol_is_local.
8126         (Symbol_table::add_from_pluginobj): Likewise.
8127         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8128
8129 2010-01-11  Doug Kwan  <dougkwan@google.com>
8130
8131         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8132         (incremental_dump_LDADD): Add linking option for libintl.
8133         * Makefile.in: Regenerate.
8134
8135 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8136
8137         PR gold/11144
8138         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8139         instead of -Ds.
8140         * testsuite/Makefile.in: Regenerated.
8141
8142 2010-01-10  Doug Kwan  <dougkwan@google.com>
8143
8144         * options.h (DEFINE_var): Use parentheses around argument varname__
8145         in macro body to avoid any unintended subsequent substitutions.
8146
8147 2010-01-10  Ian Lance Taylor  <iant@google.com>
8148
8149         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8150         candidates before doing symbol resolution.
8151
8152         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8153         ODR candidates if only one is weak.
8154
8155 2010-01-08  Ian Lance Taylor  <iant@google.com>
8156
8157         * script.cc (Version_script_info::build_expression_list_lookup):
8158         Don't warn about ambiguous version, just record the ambiguity.
8159         (Version_script_info::get_symbol_version_helper): Give error if
8160         version is ambiguous.
8161
8162 2010-01-08  Doug Kwan  <dougkwan@google.com>
8163
8164         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8165         prev_data_size_ and prev_addralign_.  Remove initializer for
8166         deleted data member has_been_changed_.
8167         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8168         to determine if the table is empty.
8169         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8170         Remove.
8171         (Stub_table::add_reloc_stub): Define method in class definition
8172         instead of just declaring it there.
8173         (Stub_table::add_cortex_a8_stub): New method definition.
8174         (Stub_table::update_data_size_and_addralign): Ditto.
8175         (Stub_table::finalize_stubs): Ditto.
8176         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8177         (Stub_table::do_addralign_): Return address alignment in the
8178         (Stub_table::do_reset_address_and_file_offset): Define method in
8179         class definition instead of declaring it there.  Set current data
8180         size to be the data size of the previous pass.
8181         (Stub_table::set_final_data_size): Use current data size as the
8182         final data size.
8183         (Stub_table::relocate_stub): Change parameter type of stub from
8184         Reloc_stub pointer to Stub pointer.
8185         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8186         (Stub_table::Cortex_a8_stub_list): New typedef.
8187         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8188          Stub_table::prev_addralign_): New data member.
8189         (Arm_relobj::Arm_relobj): Initialize data member
8190         section_has_cortex_a8_workaround_.
8191         (Arm_relobj::section_has_cortex_a8_workaround,
8192          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8193          definitions.
8194         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8195         declarations.
8196         (Target_arm::relocate_stub): Change parameter type of stub from
8197         Reloc_stub pointer to Stub pointer.
8198         (Insn_template::size, Insn_template::alignment): Handle
8199         THUMB16_SPECIAL_TYPE.
8200         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8201          Stub_table::update_data_size_and_addralign,
8202          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8203         definitions.
8204         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8205         (Stub_table::do_write): Ditto.
8206         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8207
8208 2010-01-08  Ian Lance Taylor  <iant@google.com>
8209
8210         PR 11108
8211         * symtab.h (class Symbol): Remove fields is_target_special_ and
8212         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8213         (Symbol::is_defined_in_discarded_section): New function.
8214         (Symbol::set_is_defined_in_discarded_section): New function.
8215         (Symbol::has_plt_offset): Rewrite.
8216         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8217         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8218         Don't initialize is_target_special_ or has_plt_offset_.
8219         Initialize is_defined_in_discarded_section_.
8220         (Symbol_table::add_from_relobj): If appropriate, set
8221         is_defined_in_discarded_section.
8222         * resolve.cc (Symbol::override_base_with_special): Don't test
8223         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8224         * target-reloc.h (relocate_section): Do special handling for
8225         symbols defined in discarded sections for global symbols as well
8226         as local symbols.
8227
8228 2010-01-08  Ian Lance Taylor  <iant@google.com>
8229
8230         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8231         the SHT_SYMTAB case.
8232
8233 2010-01-08  Ian Lance Taylor  <iant@google.com>
8234
8235         * object.cc (Sized_relobj::do_layout): Don't get confused if
8236         layout_eh_frame returns NULL.
8237
8238 2010-01-08  Ian Lance Taylor  <iant@google.com>
8239
8240         PR 11084
8241         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8242         dynamic symbol table, use the normal symbol table.
8243         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8244         symbol table.
8245
8246 2010-01-08  Ian Lance Taylor  <iant@google.com>
8247
8248         PR 11072
8249         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8250         sections.
8251
8252 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8253
8254         * version.cc (print_version): Change to "Copyright 2010".
8255
8256 2010-01-08  Ian Lance Taylor  <iant@google.com>
8257
8258         PR 10287
8259         PR 11063
8260         * i386.cc (class Target_i386): Change return type of plt_section
8261         to be non-const.
8262         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8263         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8264         tls_desc_rel_ field.
8265         (Output_data_plt_i386::rel_tls_desc): New function.
8266         (Target_i386::rel_tls_desc_section): New function.
8267         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8268         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8269         R_386_TLS_DESC reloc in rel_tls_desc_section.
8270         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8271         Define struct Tlsdesc_info.
8272         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8273         (Target_x86_64::do_reloc_symbol_index): New function.
8274         (Target_x86_64::add_tlsdesc_info): New function.
8275         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8276         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8277         tlsdesc_rel_ field.
8278         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8279         all callers.
8280         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8281         (Target_x86_64::rela_tlsdesc_section): New function.
8282         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8283         handling.
8284         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8285         (Target_x86_64::do_reloc_addend): New function.
8286         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8287         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8288         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8289         (Output_reloc::type): New function.
8290         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8291         (Output_reloc::is_target_specific): New function.
8292         (Output_reloc::target_arg): New function.
8293         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8294         absolute relocs and target specific relocs.
8295         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8296         add_target_specific.
8297         (class Output_data_reloc) [SHT_RELA]: Likewise.
8298         * output.cc (Output_reloc::Output_reloc): Add four new versions
8299         for absolute relocs and target specific relocs.
8300         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8301         (Output_reloc::get_symbol_index): Likewise.
8302         (Output_reloc::local_section_offset): Check that local_sym_index_
8303         is not TARGET_CODE or 0.
8304         (Output_reloc::symbol_value): Likewise.
8305         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8306         reloc.
8307         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8308         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8309         functions.
8310         * layout.cc (add_target_dynamic_tags): Use output section for
8311         DT_PLTRELSZ and DT_JMPREL.
8312
8313 2010-01-07  Ian Lance Taylor  <iant@google.com>
8314
8315         PR 11061
8316         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8317         function.
8318         (class Output_data_reloc_generic): Define.
8319         (class Output_data_reloc_base): Change base class to
8320         Output_data_reloc_generic.  Change add() method to call
8321         bump_relative_reloc_count for a relative reloc.  Remove
8322         sort_relocs_ field.
8323         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8324         to sort_relocs().
8325         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8326         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8327         appropriate.
8328         * layout.h (class Layout): Update declaration.
8329
8330 2010-01-07  Ian Lance Taylor  <iant@google.com>
8331
8332         * output.h (class Output_data): Add const version of
8333         output_section and do_output_section.
8334         (class Output_section_data): Add const version of
8335         do_output_section.
8336         (class Output_section): Likewise.
8337         * layout.cc (Layout::add_target_dynamic_tags): New function.
8338         * layout.h (class Layout): Update declarations.
8339         * arm.cc (Target_arm::do_finalize_sections): Use
8340         add_target_dynamic_tags.
8341         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8342         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8343         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8344         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8345
8346 2010-01-07  Ian Lance Taylor  <iant@google.com>
8347
8348         PR 11042
8349         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8350         object as needed.
8351
8352 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8353             Ian Lance Taylor  <iant@google.com>
8354
8355         PR 11019
8356         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8357         Xindex::read_symtab_xindex.
8358
8359 2010-01-07  Doug Kwan  <dougkwan@google.com>
8360
8361         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8362         (Insn_template::thumb16_bcond_insn): New method declaration.
8363         (Insn_template): Fix spelling.
8364         (Stub::thumb16_special): New method declaration.
8365         (Stub::do_write): Define virtual method which was previously pure
8366         virtual.
8367         (Stub::do_thumb16_special): New method declaration.
8368         (Stub::do_fixed_endian_write): New template member.
8369         (Reloc_stub::do_write): Remove.
8370         (Reloc_stub::do_fixed_endian_write): Remove.
8371         (Cortex_a8_stub): New class definition.
8372         (Stub_factory::make_cortex_a8_stub): New method definition.
8373         (Stub_factory::Stub_factory): Add missing static storage class
8374         qualifier for elf32_arm_stub_a8_veneer_blx.
8375
8376 2010-01-07  Ian Lance Taylor  <iant@google.com>
8377
8378         PR 10980
8379         * options.h (class General_options): Add --warn-unresolved-symbols
8380         and --error-unresolved-symbols.
8381         * errors.cc (Errors::undefined_symbol): Implement
8382         --warn-unresolved-symbols.
8383
8384         * options.h (class General_options): Add -z text and -z textoff.
8385         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8386
8387 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8388
8389         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8390         (Garbage_collection::cident_sections): New function.
8391         (Garbage_collection::add_cident_section): New function.
8392         (Garbage_collection::cident_sections_): New member.
8393         (gc_process_relocs): Add references to sections whose names are C
8394         identifiers.
8395         * gold.h (cident_section_start_prefix): New constant.
8396         (cident_section_stop_prefix): New constant.
8397         (is_cident): New function.
8398         * layout.cc (Layout::define_section_symbols): Replace string constants
8399         with the newly defined constants.
8400         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8401         C identifiers.
8402         * testsuite/Makefile.am: Add gc_orphan_section_test.
8403         * testsuite/Makefile.in: Regenerate.
8404         * testsuite/gc_orphan_section_test.cc: New file.
8405         * testsuite/gc_orphan_section_test.sh: New file.
8406
8407 2010-01-06  Ian Lance Taylor  <iant@google.com>
8408
8409         PR 10980
8410         * options.h (class General_options): Add --warn-shared-textrel.
8411         * layout.cc (Layout::finish_dynamic_section): Implement
8412         --warn-shared-textrel.
8413
8414         PR 10980
8415         * options.h (class General_options): Add --warn-multiple-gp.
8416
8417 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8418
8419         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8420         $(THREADSLIB) and $(LIBDL).
8421         * Makefile.in: Rebuild.
8422
8423 2010-01-06  Ian Lance Taylor  <iant@google.com>
8424
8425         PR 10980
8426         * options.cc (General_options::parse_section_start): New function.
8427         (General_options::section_start): New function.
8428         (General_options::General_options): Initialize all members.
8429         * options.h: Include <map>
8430         (class General_options): Add --section-start.  Add section_starts_
8431         member.
8432         * layout.cc (Layout::attach_allocated_section_to_segment): If
8433         --section-start was used, set the address of the segment.  Remove
8434         local sort_sections.
8435         (Layout::relaxation_loop_body): If the address of the load segment
8436         has been set by --section-start, don't use it.
8437         * output.h (Output_segment::update_flags_for_output_section): New
8438         function.
8439         * output.cc (Output_segment::add_output_section): Call
8440         update_flags_for_output_section.
8441
8442 2010-01-05  Ian Lance Taylor  <iant@google.com>
8443
8444         PR 10980
8445         * options.h (class General_options): Add --undefined-version.
8446         * script.cc (struct Version_expression): Add was_matched_by_symbol
8447         field.
8448         (Version_script_info::matched_symbol): New function.
8449         (Version_script_info::get_symbol_version_helper): Call
8450         matched_symbol.
8451         (Version_script_info::check_unmatched_names): New function.
8452         * script.h (class Version_script_info): Update declarations.
8453         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8454
8455         * options.h (class General_options): Use DEFINE_bool_alias for
8456         allow_multiple_definition.
8457         * resolve.cc (Symbol_table::should_override): Don't test
8458         allow_multiple_definition.
8459
8460         PR 10980
8461         * options.h (class General_options): Add --cref.
8462         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8463         until after printing cref table.
8464         * cref.cc: Include "symtab.h".
8465         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8466         (Cref_table_compare::operator()): New function.
8467         (Cref_inputs::gather_cref): New function.
8468         (filecol): New static const.
8469         (Cref_inputs::print_cref): New function.
8470         (Cref::print_cref): New function.
8471         * cref.h: Include <cstdio>.
8472         (class Cref): Update declarations.
8473         * mapfile.h (Mapfile::file): New function.
8474         * object.h (class Object): Define Symbols.  Declare virtual
8475         do_get_global_symbols.
8476         (Object::get_global_symbols): New function.
8477         * object.cc (Input_objects::add_object): Pass object to cref_ if
8478         --cref.
8479         (Input_objects::archive_start): Likewise.
8480         (Input_objects::archive_stop): Likewise.
8481         (Input_objects::print_cref): New function.
8482         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8483         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8484         --cref.
8485         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8486         function.
8487         * plugin.h (class Sized_pluginobj): Update declarations.
8488
8489 2010-01-05  Ian Lance Taylor  <iant@google.com>
8490
8491         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8492         to is_default_version.  Rename insdef to insdefault.
8493         (Symbol_table::add_from_relobj): Rename def to is_default_version
8494         and local to is_forced_local.
8495         (Symbol_table::add_from_pluginobj): Likewise.
8496         (Symbol_table::add_from_dynobj): Likewise.
8497         (Symbol_table::define_special_symbol): Rename insdef to
8498         insdefault.
8499
8500 2010-01-04  Ian Lance Taylor  <iant@google.com>
8501
8502         PR 10980
8503         * options.h (class General_options): Add
8504         --allow-multiple-definition and -z muldefs.
8505         * resolve.cc (Symbol_table::should_override): Don't warn about a
8506         multiple symbol definition if --allow-multiple-definition or -z
8507         muldefs.
8508
8509         PR 10980
8510         * options.h (class General_options): Add --add-needed and
8511         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8512         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8513         error if --copy-dt-needed-entries aka --add-needed is used and
8514         would cause a change in behaviour.
8515
8516         PR 10980
8517         * options.h (class General_options): Add -G as a short version of
8518         --shared.  Add no-op options -assert, -g, and -i.
8519
8520 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8521
8522         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8523         check for .text or .gnu.linkonce.t sections.
8524         * icf.cc (Icf::find_identical_sections): Ditto.
8525         Change the detection for mangled function name within the section
8526         name.
8527         * icf.h (is_section_foldable_candidate): New function.
8528
8529 2009-12-30  Ian Lance Taylor  <iant@google.com>
8530
8531         PR 10980
8532         * options.h (class General_options): Permit two dashes with
8533         --retain-symbols-file.
8534
8535 2009-12-30  Ian Lance Taylor  <iant@google.com>
8536
8537         PR 10979
8538         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8539         don't put the file header and segment headers in the text
8540         segment.
8541
8542         PR 10979
8543         * common.cc (Sort_commons::operator()): Stabilize sort when both
8544         entries are NULL.
8545         (Symbol_table::do_allocate_commons_list): When allocating common
8546         symbols, skip a symbol which is no longer common.
8547         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8548         an object before checking its type.
8549         * testsuite/common_test_2.c: New file.
8550         * testsuite/common_test_3.c: New file.
8551         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8552         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8553         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8554         (common_test_2_pic.o, common_test_2.so): New targets.
8555         (common_test_3_pic.o, common_test_3.so): New targets.
8556         * testsuite/Makefile.in: Rebuild.
8557
8558         PR 10979
8559         * script.cc (read_input_script): If we see a new SECTIONS clause,
8560         and we have added an input section, give an error.
8561         * layout.h (class Layout): Add have_added_input_section function.
8562         Add have_added_input_section_ field.
8563         * layout.cc (Layout::Layout): Initialize
8564         have_added_input_section_.
8565         (Layout::layout): Set have_added_input_section_.
8566         (Layout::layout_eh_frame): Likewise.
8567
8568 2009-12-30  Ian Lance Taylor  <iant@google.com>
8569
8570         PR 10931
8571         * options.h (class General_options): Add --sort-common option.
8572         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8573         * common.cc (Sort_common): Add sort_order parameter to
8574         constructor.  Add sort_order_ field.
8575         (Sort_commons::operator): Check sort_order_.
8576         (Symbol_table::allocate_commons): Determine the sort order.
8577         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8578         Change all callers.
8579         (Symbol_table::do_allocate_commons_list): Likewise.
8580
8581 2009-12-30  Ian Lance Taylor  <iant@google.com>
8582
8583         PR 10916
8584         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8585         symbols from this object, don't change the visibility of an
8586         undefined symbol.
8587         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8588
8589 2009-12-30  Ian Lance Taylor  <iant@google.com>
8590
8591         PR 10861
8592         * script.h (class Version_script_info): Define Language enum.
8593         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8594         new fields globals_, locals_, and is_finalized_.
8595         * script.cc: Various formatting fixes.
8596         (class Parser_closure): Change language_stack_ from a vector of
8597         std::string to one of Version_script_info::Language.  Adjust all
8598         uses accordingly.
8599         (class Lazy_demangler): Remove.
8600         (struct Version_expression): Change language from std::string to
8601         Version_script_info::Language.
8602         (Version_script_info::Version_script_info): New function.
8603         (Version_script_info::~Version_script_info): Don't call clear.
8604         (Version_script_info::finalize): New function.
8605         (Version_script_info::build_lookup_tables): New function.
8606         (Version_script_info::build_expression_list_lookup): New
8607         function.
8608         (Version_script_info::get_symbol_version_helper): Rewrite to use
8609         lookup tables.
8610         (Version_script_info::print_expression_list): Adjust to use
8611         Version_script_info::Language.
8612         (script_push_lex_into_version_mode): Check that the version script
8613         has not been finalized.
8614         (version_script_push_lang): Change language string to
8615         Version_script_info::Language.
8616         * options.cc (Command_line::version_script): New function.
8617         * options.h (class General_options): Add finalize_dynamic_list
8618         function.  Change version_script from declaration to definition.
8619         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8620         * testsuite/version_script.map: Remove duplicate def of foo.
8621         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8622         version_script.map.
8623         * testsuite/Makefile.in: Rebuild.
8624
8625 2009-12-30  Ian Lance Taylor  <iant@google.com>
8626
8627         PR 10843
8628         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8629         if the input symbol index is 0, make the output symbol index 0.
8630
8631 2009-12-30  Ian Lance Taylor  <iant@google.com>
8632
8633         PR 10670
8634         * options.h (class General_options): Add -x/--discard-all.
8635         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8636         --discard-all.  If the local symbol needs a dynamic entry, check
8637         that before handling --discard-locals.
8638
8639 2009-12-30  Ian Lance Taylor  <iant@google.com>
8640
8641         PR 10450
8642         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8643         flags to PF_R.
8644         (Output_segment::add_output_section): Don't change the flags if
8645         the type is PT_TLS.
8646
8647         PR 10450
8648         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8649         GNU hash table if they need a dynamic value.  Otherwise, don't add
8650         them if they are defined in a dynamic object or are forced local.
8651
8652 2009-12-29  Ian Lance Taylor  <iant@google.com>
8653
8654         PR 10450
8655         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8656         .gnu.hash table for a 32-bit target.
8657
8658         PR 10450
8659         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8660         regular and a dynamic object only needs a dynamic symbol table
8661         entry if it is externally visible.
8662
8663         PR 10450
8664         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8665         constructor.  Add global_offset_table_ field.
8666         (Target_i386::got_section): Set global_offset_table_.
8667         (Target_i386::do_finalize_sections): Set global_offset_table_
8668         size.
8669         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8670         in constructor.  Add global_offset_table_ field.
8671         (Target_x86_64::got_section): Set global_offset_table_.
8672         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8673         size.
8674
8675         * layout.cc (Layout::Layout): Initialize increase_relro_.
8676         (Layout::get_output_section): Add is_relro, is_last_relro, and
8677         is_first_non_relro parameters.  Change all callers.
8678         (Layout::choose_output_section): Likewise.
8679         (Layout::add_output_section_data): Likewise.
8680         (Layout::make_output_section): Likewise.
8681         (Layout::set_segment_offsets): Clear increase_relro when using a
8682         linker script.
8683         * layout.h (class Layout): Add increase_relro method.  Add
8684         increase_relro_ field.  Update declarations.
8685         * output.cc (Output_section::Output_section): Initialize
8686         is_last_relro_ and is_first_non_relro_.
8687         (Output_segment::add_output_section): Group relro sections is
8688         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8689         (Output_segment::maximum_alignment): Remove relro handling.
8690         (Output_segment::set_section_addresses): Add increase_relro
8691         parameter.  Change all callers.  Add initial alignment to align
8692         relro sections on separate page.  Remove old relro handling.
8693         (Output_segment::set_section_list_addresses): Remove in_relro
8694         parameter.  Change all callers.
8695         (Output_segment::set_offset): Add increase parameter.  Change all
8696         callers.  Remove old relro handling.
8697         * output.h (class Output_section): Add new methods: is_last_relro,
8698         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8699         Add is_last_relro_ and is_first_non_relro_ fields.
8700         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8701         Create separate .got.plt section.  Call increase_relro.
8702         * x86_64.cc (Target_x86_64::got_section): Likewise.
8703         * testsuite/relro_script_test.t: Add .got.plt.
8704
8705         PR 10450
8706         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8707         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8708         (Layout::finalize): Call set_dynamic_symbol_size.
8709         (Layout::set_dynamic_symbol_size): New function.
8710         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8711         set_dynamic_symbol_size.
8712
8713         PR 10450
8714         * output.h (class Output_section): Add is_entsize_zero_ field.
8715         * output.cc (Output_section::Output_section): Initialize
8716         is_entsize_zero_.
8717         (Output_section::set_entsize): If two different entsizes are
8718         requested, force it to zero.
8719         (Output_section::add_input_section): Set flags for .debug_str
8720         before updating section flags.  Set entsize.
8721         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8722         and SHF_STRING if all input sections have those flags.
8723
8724 2009-12-29   Rafael Espindola  <espindola@google.com>
8725
8726         * main.cc (main): Fix the sys time reporting.
8727         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8728         reporting.
8729
8730 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8731
8732         * options.cc (General_options::parse_version): Allow -v to exit
8733         without an error if there is nothing to link.
8734
8735 2009-12-29  Ian Lance Taylor  <iant@google.com>
8736
8737         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8738         using a version of gcc before 4.1.
8739         * configure: Rebuild.
8740
8741 2009-12-28  Chris Demetriou  <cgd@google.com>
8742
8743         * attributes.cc (Output_attributes_section_data::do_write): Use
8744         std::vector::front rather than std::vector::data.
8745
8746 2009-12-28  Ian Lance Taylor  <iant@google.com>
8747
8748         * symtab.h (class Symbol_table): Add enum Defined.
8749         * resolve.cc (Symbol_table::should_override): Add defined
8750         parameter.  Change all callers.  Test whether object is NULL
8751         before calling a method on it.
8752         (Symbol_table::report_resolve_problem): Add defined parameter.
8753         Change all callers.
8754         (Symbol_table::should_override_with_special): Likewise.
8755         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8756         parameter.  Change all callers.
8757         (Symbol_table::do_define_in_output_data): Likewise.
8758         (Symbol_table::define_in_output_segment): Likewise.
8759         (Symbol_table::do_define_in_output_segment): Likewise.
8760         (Symbol_table::define_as_constant): Likewise.
8761         (Symbol_table::do_define_as_constant): Likewise.
8762         * script.h (class Symbol_assignment): Add is_defsym parameter to
8763         constructor; change all callers.
8764         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8765         parameter.  Change all callers.  Add is_defsym_ field.
8766         (class Parser_closure): Add parsing_defsym parameter to
8767         constructor; change all callers.  Add parsing_defsym accessor
8768         function.  Add parsing_defsym_ field.
8769
8770 2009-12-28  Ian Lance Taylor  <iant@google.com>
8771
8772         * gold.cc (queue_middle_tasks): Fix formatting.
8773         * object.cc (Relobj::is_section_name_included): Likewise.
8774
8775 2009-12-23  Ian Lance Taylor  <iant@google.com>
8776
8777         * i386.cc (Target_i386::do_calls_non_split): Recognize
8778         -fsplit-stack prologue for a function with a static chain.
8779         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8780         -fsplit-stack prologue when using %r11.
8781
8782 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8783
8784         * options.cc (General_options::parse_version): Make -v continue and do
8785         the link like GNU ld does.
8786
8787 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8788
8789         * Makefile.am (CCFILES): Add timer.cc.
8790         (HFILES): Add timer.h.
8791         * configure.ac: Check for sysconf and times.
8792         * main.cc: include timer.h.
8793         (main): Use Timer instead of get_run_time.
8794         * timer.cc: New.
8795         * timer.h: New.
8796         * workqueue.cc: include timer.h.
8797         (Workqueue::find_and_run_task):
8798         Report user, sys and wall time.
8799         * Makefile.in: Regenerate.
8800         * config.in: Regenerate.
8801         * configure: Regenerate.
8802
8803 2009-12-16  Doug Kwan  <dougkwan@google.com>
8804
8805         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8806         sections.
8807         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8808         relaxed input sections.
8809         * output.cc (Output_section::find_relaxed_input_section): Change
8810         return type to Output_relaxed_input_section pointer.  Adjust code
8811         for new type of relaxed_input_section_map_.
8812         * output.h (Output_section::find_relaxed_input_section): Change
8813         return type to Output_relaxed_input_section pointer.
8814         (Output_section::Output_relaxed_input_section_by_input_section_map):
8815         New type.
8816         (Output_section::relaxed_input_section_map_): Change type to
8817         Output_section::Output_relaxed_input_section_by_input_section_map.
8818         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8819         input section.
8820
8821 2009-12-15  Ian Lance Taylor  <iant@google.com>
8822
8823         * layout.cc (Layout::create_shstrtab): Only write out after input
8824         sections if we are compressing debug sections.
8825
8826 2009-12-15  Ian Lance Taylor  <iant@google.com>
8827
8828         * archive.cc (Archive::add_symbols): Only look up a symbol without
8829         a version if there is, in fact, a version.
8830
8831 2009-12-14  Ian Lance Taylor  <iant@google.com>
8832
8833         Revert -Wshadow changes, all changes from:
8834         2009-12-11  Doug Kwan  <dougkwan@google.com>
8835         2009-12-11  Nick Clifton  <nickc@redhat.com>
8836         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8837
8838 2009-12-11  Doug Kwan  <dougkwan@google.com>
8839
8840         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8841         due to -Wshadow.
8842         * attributes.cc (Object_attribute::size): Ditto.
8843         (Attributes_section_data::size): Ditto.
8844         (Attributes_section_data::Attributes_section_data): Ditto.
8845         (Output_attributes_section_data::do_write): Ditto.
8846         * attributes.h (Object_attribute::set_type): Ditto.
8847         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8848
8849 2009-12-11  Nick Clifton  <nickc@redhat.com>
8850
8851         * archive.cc: Fix shadowed variable warnings.
8852         * arm.cc: Likewise.
8853         * compressed_output.cc: Likewise.
8854         * compressed_output.h: Likewise.
8855         * configure: Likewise.
8856         * dwarf_reader.cc: Likewise.
8857         * dynobj.cc: Likewise.
8858         * dynobj.h: Likewise.
8859         * ehframe.cc: Likewise.
8860         * ehframe.h: Likewise.
8861         * errors.cc: Likewise.
8862         * expression.cc: Likewise.
8863         * fileread.cc: Likewise.
8864         * fileread.h: Likewise.
8865         * freebsd.h: Likewise.
8866         * i386.cc: Likewise.
8867         * icf.cc: Likewise.
8868         * incremental.h: Likewise.
8869         * layout.cc: Likewise.
8870         * layout.h: Likewise.
8871         * mapfile.cc: Likewise.
8872         * merge.cc: Likewise.
8873         * merge.h: Likewise.
8874         * object.cc: Likewise.
8875         * object.h: Likewise.
8876         * options.h: Likewise.
8877         * output.cc: Likewise.
8878         * output.h: Likewise.
8879         * parameters.cc: Likewise.
8880         * plugin.cc: Likewise.
8881         * powerpc.cc: Likewise.
8882         * reduced_debug_output.cc: Likewise.
8883         * reduced_debug_output.h: Likewise.
8884         * reloc.cc: Likewise.
8885         * reloc.h: Likewise.
8886         * resolve.cc: Likewise.
8887         * script-sections.cc: Likewise.
8888         * script.cc: Likewise.
8889         * script.h: Likewise.
8890         * sparc.cc: Likewise.
8891         * symtab.cc: Likewise.
8892         * symtab.h: Likewise.
8893         * target-select.cc: Likewise.
8894         * target-select.h: Likewise.
8895         * token.h: Likewise.
8896         * workqueue.cc: Likewise.
8897         * workqueue.h: Likewise.
8898         * x86_64.cc: Likewise.
8899
8900 2009-12-10  Doug Kwan  <dougkwan@google.com>
8901
8902         * arm.cc (attributes.h): New include.
8903         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8904         (Arm_relobj::~Arm_relobj): Delete object pointed by
8905         attributes_section_data_.
8906         (Arm_relobj::attributes_section_data): New method definition.
8907         (Arm_relobj::attributes_section_data_): New data member declaration.
8908         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8909         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8910         attributes_section_data_.
8911         (Arm_dynobj::attributes_section_data): New method definition.
8912         (Arm_dynobj::attributes_section_data_): New data member declaration.
8913         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8914         initialization value of may_use_blx_ to false.
8915         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8916         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8917         object attributes to compute results instead of hard-coding.
8918         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8919         Target_arm::get_secondary_compatible_arch,
8920         Target_arm::set_secondary_compatible_arch
8921         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8922         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8923         New method declarations.
8924         (Target_arm::get_aeabi_object_attribute): New method definition.
8925         (Target_arm::attributes_section_data_): New data member declaration.
8926         (read_arm_attributes_section): New template definition.
8927         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8928         (Arm_dynobj::do_read_symbols): Ditto.
8929         (Target_arm::do_finalize_sections): Merge attributes sections from
8930         input.  Check for BLX use after attributes section merging.
8931         Fix __exidx_start and __exidx_end visibility.  Create an
8932         .ARM.attributes section if necessary.
8933         (Target_arm::get_secondary_compatible_arch,
8934         Target_arm::set_secondary_compatible_arch,
8935         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8936         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8937         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8938         New method definitions.
8939
8940 2009-12-09  Ian Lance Taylor  <iant@google.com>
8941
8942         * plugin.cc (Plugin::load): Don't cast from void* to a function
8943         pointer.
8944
8945 2009-12-09  Ian Lance Taylor  <iant@google.com>
8946
8947         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8948         information fields.
8949
8950 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8951
8952         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8953         Replace two_file_shared_1.so with two_file_shared_2.so.
8954         * testsuite/Makefile.in: Regenerated.
8955
8956 2009-12-08  Doug Kwan  <dougkwan@google.com>
8957
8958         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8959         (HFILES): Add attributes.h and int_encoding.h.
8960         * Makefile.in: Regenerate.
8961         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8962         function definitions to int_encoding.cc
8963         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8964         prototypes to int_encoding.h
8965         * reduced_debug_output.cc (int_encoding.h): New include.
8966         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8967         function definitions to int_encoding.cc
8968         (insert_into_vector, read_from_pointer): Move template definitions to
8969         int_encoding.h
8970         * attributes.cc: New file.
8971         * attributes.h: New file.
8972         * int_encoding.cc: New file.
8973         * int_encoding.h: New file.
8974
8975 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8976
8977         PR gold/11055
8978         * incremental-dump.cc (dump_incremental_inputs): New.
8979         (main): Use dump_incremental_inputs.
8980
8981 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8982
8983         PR gold/10893
8984         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8985         checking elfcpp::STT_FUNC.
8986         (Target_i386::Relocate::relocate): Likewise.
8987         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8988
8989         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8990         symbols from shared libraries into normal FUNC symbols.
8991
8992         * symtab.h (Symbol): Add is_func and use it.
8993
8994 2009-12-05  Doug Kwan  <dougkwan@google.com>
8995
8996         * arm.cc (Target_arm::arm_info): Initialize new fields
8997         attributes_section and attributes_vendor.
8998         * i386.cc (Target_i386::i386_info): Same.
8999         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9000         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9001         fields attributes_section and attributes_vendor.
9002         * sparc.cc (Target_sparc::sparc_info): Same.
9003         * target.h (Target::attributes_section, Target::attributes_vendor,
9004         Target::is_attributes_section, Target::attribute_arg_type,
9005         Target::attributes_order): New method definitions.
9006         (Target::Target_info::attributes_section,
9007         Target::Target_info::attributes_vendor): New fields.
9008         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9009         virtual method definitions.
9010         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9011         attributes_section and attributes_vendor.
9012         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9013
9014 2009-12-05  Doug Kwan  <dougkwan@google.com>
9015
9016         * arm.cc: Update comments about interworking and stub generation.
9017         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9018         considered as non-PIC.
9019         (Arm_relocate_functions::base_abs): Fix formatting.
9020         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9021         of function to use GOT entry address instead of offset.
9022         (Target_arm::Scan::global): Issue an error if a symbol would need a
9023         PLT does not get one because it is untyped.  Remove code to create
9024         dynamic symbols for relative branches.
9025         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9026         takes unsigned integer instead of boolean.
9027
9028 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9029
9030         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9031         (two_file_test_LDADD): Likewise.
9032         (common_test_1_LDADD): Likewise.
9033         (exception_test_LDADD) Likewise.
9034         (weak_test_LDADD): Likewise.
9035         (many_sections_test_LDADD): Likewise.
9036         (initpri1_LDADD): Likewise.
9037         (script_test_1_LDADD): Likewise.
9038         (script_test_2_LDADD): Likewise.
9039         (justsyms_LDADD): Likewise.
9040         (binary_test_LDADD): Likewise.
9041         (large_LDADD): Likewise.
9042         * testsuite/Makefile.in: Regenerated.
9043
9044 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9045
9046         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9047         (Symbol_table::override_with_special): Likewise.
9048         (Symbol_table::add_from_object): Likewise.
9049
9050 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9051
9052         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9053         Don't set the data_offset twice.
9054
9055 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9056
9057         * testsuite/Makefile.in: Regenerate.
9058
9059 2009-12-03  Doug Kwan  <dougkwan@google.com>
9060
9061         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9062         (Target_arm::do_finalize_sections): Add parameter for symbol table
9063         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9064         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9065         parameter for symbol table pointer.
9066         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9067         an additional parameter for a pointer to symbol table.
9068         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9069         parameter for a symbol table pointer.
9070         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9071         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9072         Ditto.
9073         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9074         parameter for a symbol table pointer.
9075
9076 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9077
9078         * incremental.cc (Incremental_inputs_header)
9079         (Incremental_inputs_header_write, Incremental_inputs_entry)
9080         (Incremental_inputs_entry_write): Move ...
9081         * incremental.h (Incremental_inputs_header)
9082         (Incremental_inputs_header_write, Incremental_inputs_entry)
9083         (Incremental_inputs_entry_write): here.
9084
9085 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9086
9087         * incremental.cc (make_sized_incremental_binary): Set the target.
9088         Error if it is incompatible.
9089         * output.h (Output_file): Add filename method.
9090
9091 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9092
9093         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9094         from the get_* methods.
9095
9096 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9097
9098         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9099         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9100         Write 0 for the data_offset of scripts.
9101
9102 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9103
9104         * testsuite/Makefile.am: Add the incremental_test.sh test.
9105         * testsuite/incremental_test.sh: New.
9106         * testsuite/incremental_test_1.c: New.
9107         * testsuite/incremental_test_2.c: New.
9108
9109 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9110
9111         * incremental-dump.cc (main): Fix typos.
9112
9113 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9114
9115         PR gold/11025
9116         * incremental-dump.cc (main): Use llu to print 64 bit values.
9117
9118 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9119             H.J. Lu  <hongjiu.lu@intel.com>
9120
9121         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9122         $(LIBDL).
9123         (incremental_dump_LDADD): Likewise.
9124         * Makefile.in: Regenerated.
9125
9126 2009-11-25  Doug Kwan  <dougkwan@google.com>
9127
9128         Revert:
9129
9130         2009-11-25  Doug Kwan  <dougkwan@google.com>
9131
9132                 * arm.cc (Target_arm::Target_arm): Move method definition
9133                 outside of class definition.  Add code to handle
9134                 --target1-rel, --target1-abs and --target2= options.
9135                 (Target_arm::get_reloc_reloc_type): Change method to be
9136                 non-static and const.
9137                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9138                 New data member declaration.
9139                 (Target_arm::Scan::local, Target_arm::Scan::global,
9140                 Target_arm::Relocate::relocate,
9141                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9142                 Adjust call to Target_arm::get_real_reloc_type.
9143                 (Target_arm::get_real_reloc_type): Use command line options
9144                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9145                 * options.h (--target1-rel, --target1-abs, --target2): New
9146                 ARM-only options.
9147
9148 2009-11-25  Doug Kwan  <dougkwan@google.com>
9149
9150         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9151         class definition.  Add code to handle --target1-rel, --target1-abs
9152         and --target2= options.
9153         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9154         and const.
9155         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9156         member declaration.
9157         (Target_arm::Scan::local, Target_arm::Scan::global,
9158         Target_arm::Relocate::relocate,
9159         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9160         call to Target_arm::get_real_reloc_type.
9161         (Target_arm::get_real_reloc_type): Use command line options to
9162         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9163         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9164         options.
9165
9166 2009-11-25  Doug Kwan  <dougkwan@google.com>
9167
9168         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9169         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9170         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9171         formatting.
9172         (Arm_relocate_functions::thm_call): Replace body with a call to
9173         Arm_relocate_functions::thumb_branch_common.
9174         (Arm_relocate_functions::thm_jump24,
9175         Arm_relocate_functions::thm_xpc22): New method definitions.
9176         (Arm_relocate_functions::thumb_branch_common): New method definition.
9177         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9178         operator.
9179         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9180         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9181
9182 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9183
9184         * Makefile.am: Build incremental-dump
9185         * Makefile.in: Regenerate.
9186         * incremental-dump.cc: New.
9187         * incremental.cc (Incremental_inputs_header_data,
9188         Incremental_inputs_entry_data): Move to incremental.h
9189         * incremental.h: (Incremental_inputs_header_data,
9190         Incremental_inputs_entry_data): Move from incremental.cc
9191
9192 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9193
9194         * incremental.cc (Incremental_inputs_header,
9195         Incremental_inputs_header_write, Incremental_inputs_entry,
9196         Incremental_inputs_entry_write): Add a typedef with the data type.
9197
9198 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9199
9200         * incremental.cc (Incremental_inputs_header,
9201         Incremental_inputs_header_write, Incremental_inputs_entry,
9202         Incremental_inputs_entry_write): Update comment about which
9203         type has the filed descriptions.
9204
9205 2009-11-15  Doug Kwan  <dougkwan@google.com>
9206
9207         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9208         (Arm_relocate_functions::arm_branch_common): Change method defintion
9209         in class definition to a method declaration and update list of formal
9210         parameters.
9211         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9212         Arm_relocation_functions::jump24): Adjust call to
9213         Arm_relocate_functions::arm_branch_common.  Update list of formal
9214         parameters.
9215         (Arm_relocate_functions::xpc25): New method definition.
9216         (Arm_relocate_functions::arm_branch_common): Move method defintion
9217         out from class definition.  Use stubs for mode-switching and extending
9218         branch ranges.
9219         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9220         specially.  Change code to enable use of stubs in ARM branches.
9221
9222 2009-11-10  Doug Kwan  <dougkwan@google.com>
9223
9224         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9225         in method declaration.
9226         (Target_arm::relocate_stub): New method declaration.
9227         (Target_arm::default_target): Change to return a pointer instead of
9228         a const reference.
9229         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9230         Target_arm::default_target.
9231         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9232         method definition.
9233         (Target_arm::relocate_section): Adjust view.
9234         (Target_arm::relocate_stub): New method definition.
9235
9236 2009-11-10  Doug Kwan  <dougkwan@google.com>
9237
9238         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9239         a format warning.
9240         * incremental.cc (open_incremental_binary): Initialized local
9241         variables to avoid warnings.
9242         * object.cc (make_elf_object): Ditto.
9243         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9244         a format warning.
9245
9246 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9247
9248         PR gold/10930
9249         * testsuite/plugin_test.c: Include "config.h".
9250
9251 2009-11-09  Doug Kwan  <dougkwan@google.com>
9252
9253         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9254         (arm_symbol_value): Remove.
9255         (Arm_relocate_functions::arm_branch_common,
9256         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9257         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9258         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9259         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9260         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9261         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9262         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9263         Arm_relocate_functions::thm_mobw_abs_nc,
9264         Arm_relocate_functions::thm_mov_abs,
9265         Arm_relocate_functions::movw_prel_nc,
9266         Arm_relocate_functions::thm_movt_abs,
9267         Arm_relocate_functions::movt_prel,
9268         Arm_relocate_functions::thm_movw_prel_nc,
9269         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9270         (Target_arm::Relocate::relocate): Only decompose address into two
9271         parts if relocation type uses the thumb-bit and pass the actual
9272         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9273         calls to methods in Arm_relocate_functions for this change.
9274
9275 2009-11-08  Ian Lance Taylor  <iant@google.com>
9276
9277         PR 10925
9278         * reloc.cc: Instantiate
9279         Sized_relobj::initialize_input_to_output_maps and
9280         Sized_relobj:free_input_to_output_maps.
9281
9282 2009-11-06  Ian Lance Taylor  <iant@google.com>
9283
9284         PR 10876
9285         * defstd.cc (in_segment): Set only_if_ref true for "end".
9286
9287 2009-11-06  Doug Kwan  <dougkwan@google.com>
9288
9289         * arm.cc (class Reloc_stub): Correct a comment.
9290         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9291         (Target_arm::scan_section_for_stubs): New method declaration.
9292         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9293         Change methods from private to protected.
9294         (Target_arm::do_may_relax): New method definition.
9295         (Target_arm::do_relax, Target_arm::group_sections,
9296         Target_arm::scan_reloc_for_stub,
9297         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9298         (Target_arm::arm_input_section_map_): New data member declaration.
9299         (Target_arm::scan_reloc_for_stub,
9300         Target_arm::scan_reloc_section_for_stubs,
9301         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9302         Target_arm::do_relax): New method definitions.
9303
9304 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9305
9306         * configure.ac: Check for (struct stat)::st_mtim
9307         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9308         * config.in: Regenerate.
9309         * configure: Regenerate.
9310
9311 2009-11-05  Ian Lance Taylor  <iant@google.com>
9312
9313         PR 10910
9314         * output.cc (Output_segment::add_output_section): Add missing
9315         return statement.
9316
9317 2009-11-04  Ian Lance Taylor  <iant@google.com>
9318
9319         PR 10880
9320         * object.h (class Object): Add is_needed and set_is_needed
9321         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9322         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9323         defined in a dynamic object and referenced by a regular object,
9324         set is_needed for the dynamic object.
9325         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9326         if the file is marked with as_needed and it is not needed.
9327
9328 2009-11-04  Ian Lance Taylor  <iant@google.com>
9329
9330         PR 10887
9331         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9332         tags if data is discarded by linker script.
9333         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9334         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9335         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9336         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9337
9338 2009-11-04  Ian Lance Taylor  <iant@google.com>
9339
9340         * layout.cc (Layout::get_output_section): Add is_interp and
9341         is_dynamic_linker_section parameters.  Change all callers.
9342         (Layout::choose_output_section): Likewise.
9343         (Layout::make_output_section): Likewise.
9344         (Layout::add_output_section_data): Add is_dynamic_linker_section
9345         parameter.  Change all callers.
9346         * layout.h (class Layout): Update declarations.
9347         * output.h (class Output_section): Add is_interp, set_is_interp,
9348         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9349         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9350         generate_code_fills_at_write_ to a bitfield.
9351         * output.cc (Output_section::Output_sections): Initialize new
9352         fields.
9353         (Output_segment::add_output_section): Add do_sort parameter.
9354         Change all callers.
9355
9356 2009-11-03  Ian Lance Taylor  <iant@google.com>
9357
9358         PR 10860
9359         * options.h (class General_options): Add --warn-common.
9360         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9361         merging two common symbols.
9362         (Symbol_table::should_override): Handle --warn-common when merging
9363         a common symbol with a defined symbol.  Use report_resolve_problem
9364         for multiple definitions.
9365         (Symbol_table::report_resolve_problem): New function.
9366         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9367
9368 2009-11-03  Doug Kwan  <dougkwan@google.com>
9369
9370         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9371         stub_factory_.
9372         (Target_arm::stub_factory): New method definition.
9373         (Target_arm::new_arm_input_section,
9374         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9375         Target_arm::reloc_uses_thumb_bit): New method declarations.
9376         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9377         New type definitions.
9378         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9379         member declarations.
9380         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9381         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9382         New method definitions.
9383
9384 2009-11-03  Ian Lance Taylor  <iant@google.com>
9385
9386         * options.h (class General_options): Add --warn_constructors.
9387
9388 2009-11-03  Ian Lance Taylor  <iant@google.com>
9389
9390         PR 10893
9391         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9392         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9393
9394 2009-11-03  Ian Lance Taylor  <iant@google.com>
9395
9396         PR 10895
9397         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9398         --msgid-bugs-address.
9399         (install-pdf): New target.
9400         (install-data_yes): Look up one directory to find mkinstalldirs.
9401
9402 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9403
9404         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9405         tree.
9406
9407 2009-10-30  Doug Kwan  <dougkwan@google.com>
9408
9409         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9410
9411 2009-10-30  Doug Kwan  <dougkwan@google.com>
9412
9413         * arm.cc (Stub_addend_reader): New struct template definition
9414         and partial specializations.
9415         (Stub_addend_reader::operator()): New method definition for a
9416         partially specialized template.
9417
9418 2009-10-30  Doug Kwan  <dougkwan@google.com>
9419
9420         * arm.cc (Arm_relobj::processor_specific_flags): New method
9421         definition.
9422         (Arm_relobj::do_read_symbols): New method declaration.
9423         (Arm_relobj::processor_specific_flags_): New data member declaration.
9424         (Arm_dynobj): New class definition.
9425         (Target_arm::do_finalize_sections): Add input_objects parameter.
9426         (Target_arm::do_adjust_elf_header): New method declaration.
9427         (Target_arm::are_eabi_versions_compatible,
9428         (Target_arm::merge_processor_specific_flags): New method declaration.
9429         (Target_arm::do_make_elf_object): New overloaded method definitions
9430         and declaration.
9431         (Arm_relobj::do_read_symbols): New method definition.
9432         (Arm_dynobj::do_read_symbols): Ditto.
9433         (Target_arm::do_finalize_sections): Add input_objects parameters.
9434         Merge processor-specific flags from all input objects.
9435         (Target_arm::are_eabi_versions_compatible,
9436         Target_arm::merge_processor_specific_flags,
9437         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9438         New method definitions.
9439         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9440         Input_objects pointer type parameter.
9441         * layout.cc (Layout::finalize): Pass input objects to target's.
9442         finalize_sections function.
9443         * output.cc (Output_file_header::do_sized_write): Set ELF file
9444         header's processor-specific flags.
9445         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9446         Input_objects pointer type parameter.
9447         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9448         * target.h (Input_objects): New forward class declaration.
9449         (Target::processor_specific_flags,
9450         Target::are_processor_specific_flags_sect): New method definitions.
9451         (Target::finalize_sections): Add input_objects parameter.
9452         (Target::Target): Initialize processor_specific_flags_ and
9453         are_processor_specific_flags_set_.
9454         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9455         parameter.
9456         (Target::set_processor_specific_flags): New method definition.
9457         (Target::processor_specific_flags_,
9458         Target::are_processor_specific_flags_set_): New data member
9459         declarations.
9460         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9461         Input_objects pointer type parameter.
9462
9463 2009-10-30  Doug Kwan  <dougkwan@google.com>
9464
9465         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9466
9467 2009-10-28  Ian Lance Taylor  <iant@google.com>
9468
9469         * object.h (class Relobj): Drop options parameter from
9470         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9471         do_scan_relocs, do_relocate.  Change all callers.
9472         (class Sized_relobj): Drop options parameters from
9473         do_gc_process_relocs, do_scan_relocs, do_relocate,
9474         do_relocate_sections, relocate_sections, emit_relocs_scan,
9475         emit_relocs_scan_reltype.  Change all callers.
9476         (struct Relocate_info): Remove options field and all references to
9477         it.
9478         * reloc.h (class Read_relocs): Remove options constructor
9479         parameter and options_ field.  Change all callers.
9480         (class Gc_process_relocs, class Scan_relocs): Likewise.
9481         (class Relocate_task): Likewise.
9482         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9483         all callers.
9484         (scan_relocatable_relocs): Likewise.
9485         * target.h (class Sized_target): Remove options parameter from
9486         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9487         all callers.
9488         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9489         callers.
9490         * arm.cc: Update functions to remove options parameters.
9491         * i386.cc: Likewise.
9492         * powerpc.cc: Likewise.
9493         * sparc.cc: Likewise.
9494         * x86_64.cc: Likewise.
9495         * testsuite/testfile.cc: Likewise.
9496
9497 2009-10-28  Doug Kwan  <dougkwan@google.com>
9498
9499         * arm.cc (Arm_relobj): New class definition.
9500         (Arm_relobj::scan_sections_for_stubs,
9501         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9502         New method definitions.
9503
9504 2009-10-28  Cary Coutant  <ccoutant@google.com>
9505
9506         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9507         (Plugin::cleanup_done_): New member.
9508         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9509         (Plugin_manager::cleanup_done_): Remove.
9510         (Plugin_manager::add_input_file): Edit error message.
9511         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9512         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9513
9514 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9515
9516         * fileread.cc: (File_read::View::~View): Use the new
9517         data_ownership_ filed.
9518         (File_read::~File_read): Dispose the new whole_file_view_.
9519         (File_read::open): Mmap the whole file if needed.
9520         (File_read::open): Use whole_file_view_ instead of contents_.
9521         (File_read::find_view): Use whole_file_view_ if applicable.
9522         (File_read::do_read): Use whole_file_view_ instead of contents_.
9523         (File_read::make_view): Use whole_file_view_ instead of contents_,
9524         update File_read::View::View call.
9525         (File_read::find_or_make_view): Update File_read::View::View
9526         call.
9527         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9528         remove contents_
9529         (File_read::View::Data_ownership): New enum.
9530         (File_read::View::View): Replace bool mapped_ with Data_ownership
9531         argument.
9532         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9533         (File_read::View::data_ownership_): New field.
9534         (File_read::contents_): Remove (replaced by whole_file_view_).
9535         (File_read::whole_file_view_): New field.
9536         * options.h (class General_options): Add --keep-files-mapped.
9537
9538 2009-10-27  Cary Coutant  <ccoutant@google.com>
9539
9540         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9541         * testsuite/Makefile.am (plugin_test_5): New test case.
9542         * testsuite/Makefile.in: Regenerate.
9543
9544 2009-10-25  Doug Kwan  <dougkwan@google.com>
9545
9546         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9547         from private to protected to allow access by child class.
9548         (Sized_relobj::do_relocate_sections): New method declaration.
9549         (Sized_relobj::relocate_sections): Virtualize.
9550         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9551         Sized_relobj::relocate_sections.  Instantiate template explicitly
9552         for different target sizes and endianity.
9553
9554 2009-10-24  Doug Kwan  <dougkwan@google.com>
9555
9556         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9557         (Arm_input_section::as_arm_input_section): New method.
9558         (Arm_output_section): New class definition.
9559         (Arm_output_section::create_stub_group,
9560         Arm_output_section::group_sections): New method definitions.
9561
9562 2009-10-22  Doug Kwan  <dougkwan@google.com>
9563
9564         * arm.cc (Arm_input_section): New class definition.
9565         (Arm_input_section::init, Arm_input_section:do_write,
9566         Arm_input_section::set_final_data_size,
9567         Arm_input_section::do_reset_address_and_file_offset): New method
9568         definitions.
9569
9570 2009-10-21  Doug Kwan  <dougkwan@google.com>
9571
9572         * arm.cc (Stub_table, Arm_input_section): New forward class
9573         declarations.
9574         (Stub_table): New class defintion.
9575         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9576         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9577         New method definition.
9578
9579 2009-10-21  Doug Kwan  <dougkwan@google.com>
9580
9581         * arm.cc: Update copyright comments.
9582         (Target_arm): New forward class template declaration.
9583         (Arm_address): New type.
9584         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9585         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9586         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9587         constants.
9588         (Insn_template): Same.
9589         (DEF_STUBS): New macro.
9590         (Stub_type): New enum type.
9591         (Stub_template): New class definition.
9592         (Stub): Same.
9593         (Reloc_stub): Same.
9594         (Stub_factory): Same.
9595         (Target_arm::Target_arm): Initialize may_use_blx_ and
9596         should_force_pic_veneer_.
9597         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9598         Target_arm::should_force_pic_veneer,
9599         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9600         Target_arm::using_thumb_only, Target_arm:;default_target): New
9601         method defintions.
9602         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9603         New data member declarations.
9604         (Insn_template::size, Insn_template::alignment): New method defintions.
9605         (Stub_template::Stub_template): New method definition.
9606         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9607         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9608         (Stub_factory::Stub_factory): New method definition.
9609         * gold.h (string_hash): New template.
9610         * output.h (Input_section_specifier::hash_value): Use
9611         gold::string_hash.
9612         (Input_section_specifier::string_hash): Remove.
9613         * stringpool.cc (Stringpool_template::string_hash): Use
9614         gold::string_hash.
9615
9616 2009-10-20  Doug Kwan  <dougkwan@google.com>
9617
9618         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9619         symbols of relaxed input sections.
9620         * output.h (Output_section::find_relaxed_input_section): Make
9621         method public.
9622
9623 2009-10-16  Doug Kwan  <dougkwan@google.com>
9624
9625         * dynobj.cc (Versions::Versions): Initialize version_script_.
9626         Only insert base version symbol definition for a shared object
9627         if version script defines any version versions.
9628         (Versions::define_base_version): New method definition.
9629         (Versions::add_def): Check that base version is not needed.
9630         (Versions::add_need): Define base version lazily.
9631         * dynobj.h (Versions::define_base_version): New method declaration.
9632         (Versions::needs_base_version_): New data member declaration.
9633         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9634         (check_DATA): Add no_version_test.stdout.
9635         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9636         New make rules.
9637         * testsuite/Makefile.in: Regenerate.
9638         * testsuite/no_version_test.c: New file.
9639         * testsuite/no_version_test.sh: Ditto.
9640
9641 2009-10-16  Doug Kwan  <dougkwan@google.com>
9642
9643         * expression.cc (class Segment_start_expression): New class definition.
9644         (Segment_start_expression::value): New method definition.
9645         (script_exp_function_segment_start): Return a new
9646         Segment_start_expression.
9647         * gold/script-c.h (script_saw_segment_start_expression): New function
9648         prototype.
9649         * script-sections.cc (Script_sections::Script_sections): Initialize
9650         SAW_SEGMENT_START_EXPRESSION_ to false.
9651         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9652         and -Tbbs options to specify section addresses if given in
9653         command line and no SEGMENT_START expression is seen in a script.
9654         * script-sections.h (Script_sections::saw_segment_start_expression,
9655         Script_sections::set_saw_segment_start_expression): New method
9656         definition.
9657         (Script_sections::saw_segment_start_expression_): New data member
9658         declaration.
9659         * script.cc (script_saw_segment_start_expression): New function.
9660         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9661         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9662         script_test_7.sh and script_test_8.sh.
9663         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9664         script_test_8.stdout.
9665         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9666         (script_test_6, script_test_6.stdout, script_test_7,
9667         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9668         * Makefile.in: Regenerate.
9669         * testsuite/script_test_6.sh: New file.
9670         * testsuite/script_test_6.t: Same.
9671         * testsuite/script_test_7.sh: Same.
9672         * testsuite/script_test_7.t: Same.
9673         * testsuite/script_test_8.sh: Same.
9674
9675 2009-10-16  Doug Kwan  <dougkwan@google.com>
9676
9677         * output.cc (Output_segment::set_section_list_address): Cast
9678         expressions to unsigned long long type to avoid format warnings.
9679
9680 2009-10-15  Ian Lance Taylor  <iant@google.com>
9681
9682         * script.cc (Script_options::add_symbol_assignment): Always add a
9683         dot assignment to script_sections_.
9684         * script-sections.cc (Script_sections::add_dot_assignment):
9685         Initialize if necessary.
9686
9687         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9688         program headers with no load segment if there is a linker script.
9689
9690         * layout.cc (Layout::set_segment_offsets): Align the file offset
9691         to the segment aligment for -N or -n with no load segment.
9692         * output.cc (Output_segment::add_output_section): Don't crash if
9693         the first section is a TLS section.
9694         (Output_segment::set_section_list_addresses): Print an error
9695         message if the address moves backward in a linker script.
9696         * script-sections.cc
9697         (Output_section_element_input::set_section_addresses): Don't
9698         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9699         (Orphan_output_section::set_section_addresses): Likewise.
9700
9701 2009-10-15  Doug Kwan  <dougkwan@google.com>
9702
9703         * layout.cc (Layout::finish_dynamic_section): Generate tags
9704         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9705         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9706         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9707
9708 2009-10-14  Ian Lance Taylor  <iant@google.com>
9709
9710         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9711         fields.
9712         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9713         data_shdr fields of relinfo.
9714         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9715         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9716         R_386_TLS_LDO_32, adjust based on section flags.
9717         (Target_i386::Relocate::fix_up_ldo): Remove.
9718
9719 2009-10-13  Ian Lance Taylor  <iant@google.com>
9720
9721         Add support for -pie.
9722         * options.h (class General_options): Add -pie and
9723         --pic-executable.
9724         (General_options::output_is_position_independent): Test -pie.
9725         (General_options::output_is_executable): Return true if not shared
9726         and not relocatable.
9727         (General_options::output_is_pie): Remove.
9728         * options.cc (General_options::finalize): Reject incompatible uses
9729         of -pie.
9730         * gold.cc (queue_middle_tasks): A -pie link is not static.
9731         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9732         * symtab.cc (Symbol::final_value_is_known): Return false if
9733         output_is_position_independent.
9734         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9735         output_is_position_independent.
9736         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9737         output_is_position_independent.
9738         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9739         output_is_position_independent.
9740         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9741         two_file_pie_test.
9742         (basic_pie_test.o, basic_pie_test): New targets.
9743         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9744         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9745         (two_file_pie_test): New target.
9746         * testsuite/Makefile.in: Rebuild.
9747         * README: Remove note saying that -pie is not supported.
9748
9749 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9750
9751         * options.h (class General_options): Add -init and -fini.
9752         * layout.cc (Layout::finish_dynamic_section): Emit
9753         given init and fini functions.
9754
9755 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9756
9757         * gc.h (gc_process_relocs): Check if icf is enabled using new
9758         function.
9759         * gold.cc (queue_initial_tasks): Likewise.
9760         (queue_middle_tasks): Likewise.
9761         * object.cc (do_layout): Likewise.
9762         * symtab.cc (is_section_folded): Likewise.
9763         * main.cc (main): Likewise.
9764         * reloc.cc (Read_relocs::run): Likewise.
9765         (Sized_relobj::do_scan_relocs): Likewise.
9766         * icf.cc (is_function_ctor_or_dtor): New function.
9767         (Icf::find_identical_sections): Check if function is ctor or dtor when
9768         safe icf is chosen.
9769         * options.h (General_options::icf): Change option to be an enum.
9770         (Icf_status): New enum.
9771         (icf_enabled): New method.
9772         (icf_safe_folding): New method.
9773         (set_icf_status): New method.
9774         (icf_status_): New variable.
9775         * (options.cc) (General_options::finalize): Set icf_status_.
9776         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9777         icf_test and icf_keep_unique_test to use the --icf enum flag.
9778         * testsuite/icf_safe_test.sh: New file.
9779         * testsuite/icf_safe_test.cc: New file.
9780
9781 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9782
9783         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9784         includes to gc.h and icf.h.
9785         * arm.cc: Include gc.h.
9786         * gold.cc: Likewise.
9787         * i386.cc: Likewise.
9788         * powerpc.cc: Likewise.
9789         * sparc.cc: Likewise.
9790         * x86_64.cc: Likewise.
9791         * gc.h: Include icf.h.
9792
9793 2009-10-11  Ian Lance Taylor  <iant@google.com>
9794
9795         * plugin.cc: Include "gold.h" before other header files.
9796
9797 2009-10-10  Chris Demetriou  <cgd@google.com>
9798
9799         * options.h (Input_file_argument::Input_file_type): New enum.
9800         (Input_file_argument::is_lib_): Replace with...
9801         (Input_file_argument::type_): New member.
9802         (Input_file_argument::Input_file_argument): Take Input_file_type
9803         'type' rather than boolean 'is_lib' as second argument.
9804         (Input_file_argument::is_lib): Use type_.
9805         (Input_file_argument::is_searched_file): New function.
9806         (Input_file_argument::may_need_search): Handle is_searched_file.
9807         * options.cc (General_options::parse_library): Support -l:filename.
9808         (General_options::parse_just_symbols): Update for Input_file_argument
9809         changes.
9810         (Command_line::process): Likewise.
9811         * archive.cc (Archive::get_file_and_offset): Likewise.
9812         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9813         * script.cc (read_script_file, script_add_file): Likewise.
9814         * fileread.cc (Input_file::Input_file): Likewise.
9815         (Input_file::will_search_for): Handle is_searched_file.
9816         (Input_file::open): Likewise.
9817         * readsyms.cc (Read_symbols::get_name): Likewise.
9818         * testsuite/Makefile.am (searched_file_test): New test.
9819         * testsuite/Makefile.in: Regenerate.
9820         * testsuite/searched_file_test.cc: New file.
9821         * testsuite/searched_file_test_lib.cc: New file.
9822
9823 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9824             Ian Lance Taylor  <iant@google.com>
9825
9826         * descriptor.cc: Include <cstdio> and "binary-io.h".
9827         (Descriptors::open): Open the files in binary mode always.
9828         * script.cc (Lex::get_token): Treat \r as whitespace.
9829
9830 2009-10-09  Ian Lance Taylor  <iant@google.com>
9831
9832         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9833
9834 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9835             Ian Lance Taylor  <iant@google.com>
9836
9837         * configure.ac: Check for readv function also.
9838         * fileread.cc (readv): Define if not HAVE_READV.
9839         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9840         does not exist.
9841         * config.in: Regenerate.
9842         * configure: Regenerate.
9843
9844 2009-10-09  Doug Kwan  <dougkwan@google.com>
9845
9846         * layout.cc (Layout::make_output_section): Call target hook to make
9847         ordinary output section.
9848         (Layout::finalize): Adjust parameter list of call the
9849         Target::may_relax().
9850         * layout.h (class Layout::section_list): New method.
9851         * merge.h (Output_merge_base::entsize): Change visibility to public.
9852         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9853         New methods.
9854         (Output_merge_string::do_is_string): New method.
9855         * object.cc (Sized_relobj::do_setup): renamed from
9856         Sized_relobj::set_up.
9857         * object.h (Sized_relobj::adjust_shndx,
9858         Sized_relobj::initializ_input_to_output_maps,
9859         Sized_relobj::free_input_to_output_maps): Change visibilities to
9860         protected.
9861         (Sized_relobj::setup): Virtualize.
9862         (Sized_relobj::do_setup): New method declaration.
9863         (Sized_relobj::invalidate_section_offset,
9864         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9865         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9866         * options.cc (parse_int): New function.
9867         * options.h (parse_int): New declaration.
9868         (DEFINE_int): New macro.
9869         (stub_group_size): New option.
9870         * output.cc (Output_section::Output_section): Initialize memebers
9871         merge_section_map_, merge_section_by_properties_map_,
9872         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9873         (Output_section::add_input_section): Handled deferred code-fill
9874         generation and remove an old comment.
9875         (Output_section::add_relaxed_input_section): New method definition.
9876         (Output_section::add_merge_input_section): Use merge section by
9877         properties map to speed to search.  Update merge section maps
9878         as appropriate.
9879         (Output_section::build_relaxation_map): New method definition.
9880         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9881         Same.
9882         (Output_section::relax_input_section): Renamed to
9883         Output_section::convert_input_sections_to_relaxed_sections and change
9884         interface to take a vector of pointers to relaxed sections.
9885         (Output_section::find_merge_section,
9886         Output_section::find_relaxed_input_section): New method definitions.
9887         (Output_section::is_input_address_mapped,
9888         Output_section::output_offset, Output_section::output_address):
9889         Use output section data maps to speed up searching.
9890         (Output_section::find_starting_output_address): Add comments.
9891         (Output_section::do_write,
9892         Output_section::write_to_postprocessing_buffer): Do code-fill
9893         generation as appropriate.
9894         (Output_section::get_input_sections): Invalidate relaxed input section
9895         map.
9896         (Output_section::restore_states): Adjust type of checkpoint .
9897         Invalidate relaxed input section map.
9898         * output.h (Output_merge_base): New class declaration.
9899         (Input_section_specifier): New class defintion.
9900         (class Output_relaxed_input_section) Change base class to
9901         Output_section_data_build.
9902         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9903         base class initializer.
9904         (Output_section::add_relaxed_input_section): New method declaration.
9905         (Output_section::Input_section): Change visibility to protected.
9906         (Output_section::Input_section::relobj,
9907         Output_section::Input_section::shndx): Handle relaxed input sections.
9908         Output_section::input_sections) Change visibility to protected.  Also
9909         define overload to return a non-const pointer.
9910         (Output_section::Merge_section_properties): New class defintion.
9911         (Output_section::Merge_section_by_properties_map,
9912         Output_section::Output_section_data_by_input_section_map,
9913         Output_section::Relaxation_map): New types.
9914         (Output_section::relax_input_section): Rename method to
9915         Output_section::convert_input_sections_to_relaxed_sections and change
9916         interface to take a vector of relaxed section pointers.
9917         (Output_section::find_merge_section,
9918         Output_section::find_relaxed_input_section,
9919         Output_section::build_relaxation_map,
9920         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9921         New method declarations.
9922         (Output_section::merge_section_map_
9923         Output_section::merge_section_by_properties_map_,
9924         Output_section::relaxed_input_section_map_,
9925         Output_section::is_relaxed_input_section_map_valid_,
9926         Output_section::generate_code_fills_at_write_): New data members.
9927         * script-sections.cc
9928         (Output_section_element_input::set_section_addresses): Call
9929         current_data_size and addralign methods of relaxed input sections.
9930         (Orphan_output_section::set_section_addresses): Call current_data_size
9931         and addralign methods of relaxed input sections.
9932         * symtab.cc (Symbol_table::compute_final_value): Extract template
9933         from the body of Symbol_table::sized_finalize_symbol.
9934         (Symbol_table::sized_finalized_symbol): Call
9935         Symbol_table::compute_final_value.
9936         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9937         (Symbol_table::compute_final_value): New templated method declaration.
9938         * target.cc (Target::do_make_output_section): New method defintion.
9939         * target.h (Target::make_output_section): New method declaration.
9940         (Target::relax): Add more parameters for input objects, symbol table
9941         and layout.  Adjust call to do_relax.
9942         (Target::do_make_output_section): New method declaration.
9943         (Target::do_relax): Add parameters for input objects, symbol table
9944         and layout.
9945
9946 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9947
9948         * pread.c: Include stdio.h.
9949
9950 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9951
9952         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9953         defined.
9954
9955 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9956
9957         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9958         Change read_shndx type to unsigned int.
9959         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9960         int.
9961         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9962         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9963         Change read_shndx type to unsigned int.
9964         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9965         int.
9966         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9967         * layout.cc (Layout::create_symtab_sections): Cast the result of
9968         local_symcount * symsize to off_t in the gold_assert.
9969
9970 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9971
9972         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9973         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9974         R_ARM_BASE_ABS.
9975         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9976         (Arm_relocate_functions::thm_abs5): New function.
9977         (Arm_relocate_functions::abs12): New function.
9978         (Arm_relocate_functions::abs16): New function.
9979         (Arm_relocate_functions::base_abs): New function.
9980         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9981         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9982         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9983         R_ARM_BASE_ABS.
9984         (Scan::global): Likewise.
9985         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9986         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9987         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9988         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9989         R_ARM_BASE_ABS.
9990
9991 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9992
9993         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9994         (Arm_relocate_functions::movt_prel): New function.
9995         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9996         (Arm_relocate_functions::thm_movt_prel): New function.
9997         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9998         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9999         (Scan::global, Relocate::relocate): Likewise.
10000         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10001
10002 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10003
10004         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10005         Incremental_checker.
10006         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10007         unsigned int.
10008         (class Incremental_inputs_header): New class.
10009         (Incremental_inputs_header_writer): Edit comment.
10010         (Incremental_inputs_entry): New class.
10011         (Incremental_inputs_entry_writer): Edit comment.
10012         (Sized_incremental_binary::do_find_incremental_inputs_section):
10013         Add *strtab_shndx parameter, fill it.
10014         (Sized_incremental_binary::do_check_inputs): New method.
10015         (Incremental_checker::can_incrementally_link_output_file): Use
10016         Sized_incremental_binary::check_inputs.
10017         (Incremental_inputs::report_command_line): Save command line in
10018         command_line_.
10019         * incremental.h:
10020         (Incremental_binary::find_incremental_inputs_section): New
10021         method.
10022         (Incremental_binary::do_find_incremental_inputs_section): Add
10023         strtab_shndx parameter.
10024         (Incremental_binary::do_check_inputs): New pure virtual method.
10025         (Sized_incremental_binary::do_check_inputs): Declare.
10026         (Incremental_checker::Incremental_checker): Add incremental_inputs
10027         parameter, use it to initialize incremental_inputs_.
10028         (Incremental_checker::incremental_inputs_): New field.
10029         (Incremental_checker::command_line): New method.
10030         (Incremental_checker::inputs): New method.
10031         (Incremental_checker::command_line_): New field.
10032
10033 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10034
10035         * incremental.cc: Include <cstdarg> and "target-select.h".
10036         (vexplain_no_incremental): New function.
10037         (explain_no_incremental): New function.
10038         (Incremental_binary::error): New method.
10039         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10040         method.
10041         (make_sized_incremental_binary): New function.
10042         (open_incremental_binary): New function.
10043         (can_incrementally_link_file): Add checks if output is ELF and has
10044         inputs section.
10045         * incremental.h: Include "elfcpp_file.h" and "output.h".
10046         (Incremental_binary): New class.
10047         (Sized_incremental_binary): New class.
10048         (open_incremental_binary): Declare.
10049         * object.cc (is_elf_object): Use
10050         elfcpp::Elf_recognizer::is_elf_file.
10051         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10052         * output.h (Output_file::filesize): New method.
10053
10054 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10055
10056         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10057         New function.
10058         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10059         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10060         function.
10061         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10062         function.
10063         (Arm_relocate_functions::movw_abs_nc): New function.
10064         (Arm_relocate_functions::movt_abs): New function.
10065         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10066         (Arm_relocate_functions::thm_movt_abs): New function.
10067         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10068         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10069         (Scan::global): Likewise.
10070         (Relocate::relocate): Likewise.
10071         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10072
10073 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10074
10075         * arm.cc (Arm_relocate_functions::got_prel) New function.
10076         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10077         (Relocate::relocate): Likewise.
10078         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10079
10080 2009-10-06  Ian Lance Taylor  <iant@google.com>
10081
10082         * options.h (class General_options): Define
10083         split_stack_adjust_size parameter.
10084         * object.h (class Object): Add uses_split_stack_ and
10085         has_no_split_stack_ fields.  Add uses_split_stack and
10086         has_no_split_stack accessor functions.  Declare
10087         handle_split_stack_section.
10088         (class Reloc_symbol_changes): Define.
10089         (class Sized_relobj): Define Function_offsets.  Declare
10090         split_stack_adjust, split_stack_adjust_reltype, and
10091         find_functions.
10092         * object.cc (Object::handle_split_stack_section): New function.
10093         (Sized_relobj::do_layout): Call handle_split_stack_section.
10094         * dynobj.cc (Sized_dynobj::do_layout): Call
10095         handle_split_stack_section.
10096         * reloc.cc (Sized_relobj::relocate_sections): Call
10097         split_stack_adjust for executable sections in split_stack
10098         objects.  Pass reloc_map to relocate_section.
10099         (Sized_relobj::split_stack_adjust): New function.
10100         (Sized_relobj::split_stack_adjust_reltype): New function.
10101         (Sized_relobj::find_functions): New function.
10102         * target-reloc.h: Include "object.h".
10103         (relocate_section): Add reloc_symbol_changes parameter.  Change
10104         all callers.
10105         * target.h (class Target): Add calls_non_split method.  Declare
10106         do_calls_non_split virtual method.  Declare match_view and
10107         set_view_to_nop.
10108         * target.cc: Include "elfcpp.h".
10109         (Target::do_calls_non_split): New function.
10110         (Target::match_view): New function.
10111         (Target::set_view_to_nop): New function.
10112         * gold.cc (queue_middle_tasks): Give an error if mixing
10113         split-stack and non-split-stack objects with -r.
10114         * i386.cc (Target_i386::relocate_section): Add
10115         reloc_symbol_changes parameter.
10116         (Target_i386::do_calls_non_split): New function.
10117         * x86_64.cc (Target_x86_64::relocate_section): Add
10118         reloc_symbol_changes parameter.
10119         (Target_x86_64::do_calls_non_split): New function.
10120         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10121         parameter.
10122         * powerpc.cc (Target_powerpc::relocate_section): Add
10123         reloc_symbol_changes parameter.
10124         * sparc.cc (Target_sparc::relocate_section): Add
10125         reloc_symbol_changes parameter.
10126         * configure.ac: Call AM_CONDITIONAL for the default target.
10127         * configure: Rebuild.
10128         * testsuite/Makefile.am (TEST_AS): New variable.
10129         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10130         (check_DATA): Add split_i386 and split_x86_64 files.
10131         (SPLIT_DEFSYMS): Define.
10132         (split_i386_[1234n].o): New targets.
10133         (split_i386_[124]): New targets.
10134         (split_i386_[1234r].stdout): New targets.
10135         (split_x86_64_[1234n].o): New targets.
10136         (split_x86_64_[124]): New targets.
10137         (split_x86_64_[1234r].stdout): New targets.
10138         (MOSTLYCLEANFILES): Add new executables.
10139         * testsuite/split_i386.sh: New file.
10140         * testsuite/split_x86_64.sh: New file.
10141         * testsuite/split_i386_1.s: New file.
10142         * testsuite/split_i386_2.s: New file.
10143         * testsuite/split_i386_3.s: New file.
10144         * testsuite/split_i386_4.s: New file.
10145         * testsuite/split_i386_n.s: New file.
10146         * testsuite/split_x86_64_1.s: New file.
10147         * testsuite/split_x86_64_2.s: New file.
10148         * testsuite/split_x86_64_3.s: New file.
10149         * testsuite/split_x86_64_4.s: New file.
10150         * testsuite/split_x86_64_n.s: New file.
10151         * testsuite/testfile.cc (Target_test): Update relocation_section
10152         function.
10153         * testsuite/Makefile.in: Rebuild.
10154
10155 2009-10-06  Ian Lance Taylor  <iant@google.com>
10156
10157         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10158         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10159         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10160         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10161         the address on ldo_addrs_.
10162         (Target_i386::Relocate::fix_up_ldo): New function.
10163
10164 2009-10-06   Rafael Espindola  <espindola@google.com>
10165
10166         * plugin.cc (add_input_library): New.
10167         (Plugin::load): Add add_input_library to tv.
10168         (Plugin_manager::add_input_file): Add the is_lib argument.
10169         (add_input_file): Update call to Plugin_manager::add_input_file.
10170         (add_input_library): New.
10171         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10172
10173 2009-09-30  Doug Kwan  <dougkwan@google.com>
10174
10175         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10176         symbol and call Symbol::may_need_copy_reloc to determine if
10177         a copy reloc is needed.
10178         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10179         nocopyreloc is given in command line.
10180         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10181         given in command line.
10182         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10183         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10184         of the removed Target_i386::may_need_copy_reloc.
10185         * options.h (copyreloc): New option with default value false.
10186         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10187         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10188         instead of the removed Target_powerpc::may_need_copy_reloc.
10189         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10190         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10191         instead of the removed Target_sparc::may_need_copy_reloc.
10192         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10193         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10194         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10195         instead of the removed Target_x86_64::may_need_copy_reloc.
10196
10197 2009-09-30  Ian Lance Taylor  <iant@google.com>
10198
10199         * object.h (class Object): Remove target_ field, and target,
10200         sized_target, and set_target methods.
10201         (Object::sized_target): Remove.
10202         (class Sized_relobj): Update declarations.  Remove sized_target.
10203         * object.cc (Sized_relobj::setup): Remove target parameter.
10204         Change all callers.
10205         (Input_objects::add_object): Don't do anything with the target.
10206         (make_elf_sized_object): Add punconfigured parameter.  Change all
10207         callers.  Set or test parameter target.
10208         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10209         Change all callers.
10210         * parameters.cc (Parameters::set_target): Change parameter type to
10211         be non-const.
10212         (Parameters::default_target): Remove.
10213         (set_parameters_target): Change parameter type to be non-const.
10214         (parameters_force_valid_target): New function.
10215         (parameters_clear_target): New function.
10216         * parameters.h (class Parameters): Update declarations.  Remove
10217         default_target method.  Add sized_target and clear_target
10218         methods.  Change target_ to be non-const.
10219         (set_parameters_target): Update declaration.
10220         (parameters_force_valid_target): Declare.
10221         (parameters_clear_target): Declare.
10222         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10223         as NULL if we aren't searching.
10224         (Add_symbols::run): Don't check for compatible target.
10225         * fileread.cc (Input_file::open_binary): Call
10226         parameters_force_valid_target.
10227         * gold.cc (queue_middle_tasks): Likewise.
10228         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10229         set_target on object.
10230         * dynobj.h (class Sized_dynobj): Update declarations.
10231         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10232         make_elf_object returns NULL.
10233         (Archive::include_member): Don't check whether object target is
10234         compatible.
10235         * output.cc (Output_section::add_input_section): Get target from
10236         parameters.
10237         (Output_section::relax_input_section): Likewise.
10238         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10239         parameters.
10240         (Sized_relobj::do_scan_relocs): Likewise.
10241         (Sized_relobj::relocate_sections): Likewise.
10242         * resolve.cc (Symbol_table::resolve): Likewise.
10243         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10244         parameter.  Change all callers.
10245         (Symbol_table::add_from_object): Get target from parameters.
10246         (Symbol_table::add_from_relobj): Don't check object target.
10247         (Symbol_table::add_from_dynobj): Likewise.
10248         (Symbol_table::define_special_symbol): Get target from
10249         parameters.
10250         * symtab.h (class Symbol_table): Update declaration.
10251         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10252         parameter.  Change all callers.  Clear parameter target.
10253         (Binary_test): Test target here.
10254         * testsuite/object_unittest.cc (gold_testsuite): Remove
10255         target_test_pointer parameter.  Change all callers.
10256         (Object_test): Test target here.
10257
10258 2009-09-26  Ian Lance Taylor  <iant@google.com>
10259
10260         * testsuite/initpri1.c: Don't try to use constructor priorities if
10261         compiling with gcc before 4.3.
10262
10263 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10264
10265         * testsuite/retain_symbols_file_test.sh (check_present): Change
10266         output file name to retain_symbols_file_test.stdout.
10267         (check_absent): Likewise.
10268
10269 2009-09-18  Craig Silverstein  <csilvers@google.com>
10270
10271         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10272         * options.cc: Include <cerrno> and <fstream>.
10273         (General_options::finalize): Parse -retain-symbols-file tag.
10274         * options.h: New flag.
10275         (General_options): New method should_retain_symbol, new
10276         variable symbols_to_retain.
10277         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10278         should_retain_symbol map.
10279         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10280         * testsuite/Makefile.in: Regenerate.
10281         * testsuite/retain_symbols_file_test.sh: New file.
10282
10283 2009-09-18  Nick Clifton  <nickc@redhat.com>
10284
10285         * po/es.po: Updated Spanish translation.
10286
10287 2009-09-17  Doug Kwan  <dougkwan@google.com>
10288
10289         * debug.h (DEBUG_RELAXATION): New constant.
10290         (DEBUG_ALL): Add DEBUG_RELAXATION.
10291         (debug_string_to_enum): Add relaxation debug option.
10292         * layout.cc
10293         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10294         Layout::Relaxation_debug_check::read_sections,
10295         Layout::Relaxation_debug_check::read_sections): New method definitions.
10296         (Layout::Layout): Initialize data members
10297         record_output_section_data_from_scrips_,
10298         script_output_section_data_list_ and relaxation_debug_check_.
10299         (Layout::save_segments, Layout::restore_segments,
10300         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10301         Layout::relaxation_loop_body): New method definitions.
10302         (Layout::finalize): Support relaxation.  Move section layout code to
10303         Layout::relaxation_loop_body.
10304         (Layout::set_asection_address_from_script): Move code for orphan
10305         section placement out.
10306         (Layout::place_orphan_sections_in_script): New method definition.
10307         * layout.h (Output_segment_headers, Output_file_header):
10308         New forward class declarations.
10309         (Layout::~Layout): Define.
10310         (Layout::new_output_section_data_from_script): New method definition.
10311         (Layout::place_orphan_sections_in_script): New method declaration.
10312         (Layout::Segment_states): New type declaration.
10313         (Layout::save_segments, Layout::restore_segments,
10314         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10315         Layout::relaxation_loop_body): New method declarations.
10316         (Layout::Output_section_data_list): New type declaration.
10317         (Layout::Relaxation_debug_check): New class definition.
10318         (Layout::record_output_section_data_from_script_,
10319         Layout::script_output_section_data_list_, Layout::segment_states_,
10320         Layout::relaxation_debug_check_): New data members.
10321         * output.cc: (Output_section_headers::do_size): New method definition.
10322         (Output_section_headers::Output_section_headers): Move size
10323         computation to Output_section_headers::do_size.
10324         (Output_segment_headers::do_size): New method definition.
10325         (Output_file_header::Output_file_header): Move size computation to
10326         Output_file_header::do_size and call it.
10327         (Output_file_header::do_size): New method definition.
10328         (Output_data_group::Output_data_group): Adjust call to
10329         Output_section_data.
10330         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10331         (Output_symtab_xindex::do_write): Add array bound check.
10332         (Output_section::Input_section::print_to_mapfile): Handle
10333         RELAXED_INPUT_SECTION_CODE.
10334         (Output_section::Output_section): Initialize data member checkpoint_.
10335         (Output_section::~Output_section): Delete checkpoint object pointed
10336         by checkpoint_.
10337         (Output_section::add_input_section): Always add an Input_section if
10338         relaxing.
10339         (Output_section::add_merge_input_section): Add assert.
10340         (Output_section::relax_input_section): New method definition.
10341         (Output_section::set_final_data_size): Set load address to zero for
10342         an unallocated section.
10343         (Output_section::do_address_and_file_offset_have_reset_values):
10344         New method definition.
10345         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10346         Handle relaxed input section.
10347         (Output_section::sort_attached_input_sections): Checkpoint input
10348         section list lazily.
10349         (Output_section::get_input_sections): Change type of input_sections to
10350         list of Simple_input_section pointers.  Checkpoint input section list
10351         lazily.  Also handle relaxed input sections.
10352         (Output_section::add_input_section_for_script): Take a reference to
10353         a Simple_input_section object instead of Relobj pointer and section
10354         index as parameter.  Handle relaxed input sections.
10355         (Output_section::save_states, Output_section::restore_states): New
10356         method definitions.
10357         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10358         (Output_data::is_data_size_fixed): New method definition.
10359         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10360         if it is fixed.
10361         (Output_data::address_and_file_offset_have_reset_values): New method
10362         definition.
10363         (Output_data::do_address_and_file_offset_have_reset_values): New method
10364         definition.
10365         (Output_data::set_data_size): Check that data size is not fixed.
10366         (Output_data::fix_data_size): New method definition.
10367         (Output_data::is_data_size_fixed_): New data member.
10368         (Output_section_headers::set_final_data_size): New method definition.
10369         (Output_section_headers::do_size): New method declaration.
10370         (Output_segment_headers::set_final_data_size): New method definition.
10371         (Output_segment_headers::do_size): New method declaration.
10372         (Output_file_header::set_final_data_size)::New method definition.
10373         (Output_file_header::do_size)::New method declaration.
10374         (Output_section_data::Output_section_data): Add new parameter
10375         is_data_size_fixed and use it to fix data size.
10376         (Output_data_const::Output_data_const): Adjust call to base class
10377         constructor and fix data size.
10378         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10379         base class constructor and fix data size.
10380         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10381         base class constructor and fix data size.
10382         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10383         class constructor and fix data size.
10384         (Output_data_group::set_final_data_size): New method definition.
10385         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10386         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10387         class constructor and fix data size.
10388         (Output_relaxed_input_section): New class definition.
10389         (Output_section::Simple_input_section): New class definition.
10390         (Output_section::get_input_sections): Adjust parameter list.
10391         (Output_section::add_input_section_for_script): Same.
10392         (Output_section::save_states, Output_section::restore_states,
10393         Output_section::do_address_and_file_offset_have_reset_values,
10394         (Output_section::Input_section::Input_section): Handle
10395         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10396         Output_relaxed_input_section.
10397         (Output_section::Input_section::is_input_section,
10398         Output_section::Input_section::set_output_section): Handle relaxed
10399         input section.
10400         (Output_section::Input_section::is_relaxed_input_section,
10401         Output_section::Input_section::output_section_data,
10402         Output_section::Input_section::relaxed_input_section): New method
10403         definitions.
10404         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10405         value.
10406         (Output_section::Input_section::u1_): Update comments.
10407         (Output_section::Input_section::u2_): Add new union member poris.
10408         (Output_section::Checkpoint_output_section): New classs definition.
10409         (Output_section::relax_input_section): New method declaration.
10410         (Output_section::checkpoint_): New data member.
10411         (Output_segment): Update comments.
10412         (Output_segment::Output_segment): Un-privatize copy constructor.
10413         (Output_segment::operator=): Un-privatize.
10414         * script-sections.cc (Output_section_element::Input_section_list):
10415         Change element type to Output_section::Simple_input_section.
10416         (Output_section_element_dot_assignment::set_section_addresses):
10417         Register output section data for relaxation clean up.
10418         (Output_data_exression::Output_data_expression): Adjust call to base
10419         constructor to fix data size.
10420         (Output_section_element_data::set_section_addresses): Register
10421         Output_data_expression object for relaxation clean up.
10422         (struct Input_section_info): Replace Relobj pointer and section index
10423         pair with Output_section::Simple_input_section and Convert struct to a
10424         class.
10425         (Input_section_sorter::operator()): Adjust access to
10426         Input_section_info data member to use accessors.
10427         (Output_section_element_input::set_section_addresses): Use layout
10428         parameter.  Adjust code to use Output_section::Simple_input_section
10429         and Input_secction_info classes.  Register filler for relaxation
10430         clean up.
10431         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10432         and section index pair with Output_section::Simple_input_section
10433         class.  Adjust code accordingly.
10434         (Phdrs_element::release_segment): New method definition.
10435         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10436         segment list.
10437         (Script_sections::release_segments): New method definition.
10438         * gold/script-sections.h (Script_sections::release_segments): New
10439         method declaration.
10440         * gold/target.h (Target::may_relax, Target::relax,
10441         Target::do_may_relax, Target::do_relax): New method definitions.
10442
10443 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10444
10445         * arm.cc (has_signed_unsigned_overflow): New function.
10446         (Arm_relocate_functions::abs8): New function.
10447         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10448         (Target_arm::Scan::global): Likewise.
10449         (Target_arm::relocate::relocate): Likewise.
10450         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10451         Likewise.
10452
10453 2009-09-16  Cary Coutant  <ccoutant@google.com>
10454
10455         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10456         * testsuite/Makefile.in: Regenerate.
10457
10458 2009-09-11  Nick Clifton  <nickc@redhat.com>
10459
10460         * po/gold.pot: Updated by the Translation project.
10461
10462 2009-09-08  Cary Coutant  <ccoutant@google.com>
10463
10464         * output.cc (Output_file::open): Add execute permission to empty file.
10465         * testsuite/Makefile.am (permission_test): New test.
10466         * testsuite/Makefile.in: Regenerate.
10467
10468 2009-09-02  Ian Lance Taylor  <iant@google.com>
10469
10470         * output.cc (Output_file::resize): Call map_no_anonymous rather
10471         than map.
10472
10473 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10474
10475         * gold.cc: Include "incremental.h".
10476         (queue_initial_tasks): Call Incremental_checker methods.
10477         * incremental.cc: Include "output.h".
10478         (Incremental_checker::can_incrementally_link_output_file): New
10479         method.
10480         * incremental.h (Incremental_checker): New class.
10481
10482         * output.cc (Output_file::open_for_modification): New method.
10483         (Output_file::map_anonymous): Changed return type to bool.  Record
10484         map in base_ field.
10485         (Output_file::map_no_anonymous): New method, broken out of map.
10486         (Output_file::map): Use map_no_anonymous and map_anonymous.
10487         * output.h (class Output_file): Update declarations.
10488
10489 2009-08-24  Cary Coutant  <ccoutant@google.com>
10490
10491         * options.h (Command_line::Pre_options): New class.
10492         (Command_line::pre_options): New member.
10493         * options.cc (gold::options::ready_to_register): New variable.
10494         (One_option::register_option): Do nothing if not registering options.
10495         Assert if same short option registered twice.
10496         (General_options::General_options): Turn off option registration when
10497         done constructing.
10498         (Command_line::Pre_options::Pre_options): New constructor.
10499
10500 2009-08-24  Cary Coutant  <ccoutant@google.com>
10501
10502         * options.h (General_options::no_keep_memory): Remove incorrect
10503         short option.
10504
10505 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10506
10507         * Makefile.am (am__skiplex, am__skipyacc): New.
10508         * Makefile.in: Regenerate.
10509
10510 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10511
10512         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10513         (INCLUDES): ... this.
10514         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10515         (AM_CPPFLAGS): Renamed from ...
10516         (INCLUDE): ... this.
10517         * Makefile.in, testsuite/Makefile.in: Regenerate.
10518
10519         * Makefile.in: Regenerate.
10520         * aclocal.m4: Likewise.
10521         * config.in: Likewise.
10522         * configure: Likewise.
10523         * testsuite/Makefile.in: Likewise.
10524
10525         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10526         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10527         * Makefile.in: Regenerate.
10528         * testsuite/Makefile.in: Regenerate.
10529
10530 2009-08-19  Cary Coutant  <ccoutant@google.com>
10531
10532         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10533         symbols in shared libraries overridden by hidden or internal symbols
10534         in the main program.
10535
10536 2009-08-19  Chris Demetriou  <cgd@google.com>
10537
10538         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10539         checking source file names in error messages.
10540
10541 2009-08-18  Doug Kwan  <dougkwan@google.com>
10542
10543         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10544         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10545         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10546         an elfcpp::Ehdr as parameter.
10547         * object.cc (Object::set_target): Remove the version that looks up
10548         a target and sets it.
10549         (Sized_relobj::setup): Take a Target object instead of
10550         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10551         (make_elf_sized_object): Find target and ask target to
10552         make an ELF object.
10553         * object.h: (Object::set_target): Remove the version that looks up
10554         a target and sets it.
10555         (Sized_relobj::setup): Take a Target object instead of
10556         an elfcpp:Ehdr as parameter.
10557         * target.cc: Include dynobj.h.
10558         (Target::do_make_elf_object_implementation): New.
10559         (Target::do_make_elf_object): New.
10560         * target.h (Target::make_elf_object): New template declaration.
10561         (Target::do_make_elf_object): New method declarations.
10562         (Target::do_make_elf_object_implementation): New template declaration.
10563
10564 2009-08-14  Ian Lance Taylor  <iant@google.com>
10565
10566         * gold.h (FUNCTION_NAME): Define.
10567         (gold_unreachable): Use FUNCTION_NAME.
10568
10569 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10570
10571         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10572         symbol in the --keep-unique list is not found.
10573
10574 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10575
10576         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10577         been maked as --keep-unique.
10578         (Icf::unfold_section): New function.
10579         * icf.h (Icf::unfold_section): New function.
10580         * options.h (General_options::keep_unique): New option.
10581         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10582         * testsuite/Makefile.in: Regenerate.
10583         * testsuite/icf_keep_unique_test.sh: New file.
10584         * testsuite/icf_keep_unique_test.cc: New file.
10585
10586 2009-08-12  Cary Coutant  <ccoutant@google.com>
10587
10588         PR 10471
10589         * resolve.cc (Symbol_table::resolve): Check for references from
10590         dynamic objects to hidden and internal symbols.
10591         * testsuite/Makefile.am (hidden_test.sh): New test.
10592         * testsuite/Makefile.in: Regenerate.
10593         * testsuite/hidden_test.sh: New script.
10594         * testsuite/hidden_test_1.c: New test source.
10595         * testsuite/hidden_test_main.c: New test source.
10596
10597 2009-08-11  Doug Kwan  <dougkwan@google.com>
10598
10599         * arm.cc: Update comments.
10600         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10601         segment to locate the .ARM.exidx section if present.
10602
10603 2009-08-09  Doug Kwan  <dougkwan@google.com>
10604
10605         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10606         patch.
10607
10608 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10609         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10610         compiler warnings.
10611
10612 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10613
10614         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10615         valid tls_segment only for non-debug-section relocations.
10616         * testsuite/Makefile.am: Add gc_tls_test.
10617         * testsuite/Makefile.in: Regenerate.
10618         * testsuite/gc_tls_test.cc: New file.
10619         * testsuite/gc_tls_test.sh: New file.
10620
10621 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10622
10623         * icf.cc: New file.
10624         * icf.h: New file.
10625         * Makefile.am (CCFILES): Add icf.cc.
10626         (HFILES): Add icf.h
10627         * Makefile.in: Regenerate.
10628         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10629         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10630         section, symbol and addend information for the relocs.
10631         * gold.cc (queue_middle_tasks): Call identical code folding.
10632         * gold.h: Add defines for multimap.
10633         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10634         to the call of finalize_local_symbols.
10635         * main.cc (main): Create object of class Icf.
10636         * object.cc (Sized_relobj::do_layout): Allow this function to be
10637         called twice during icf.
10638         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10639         to sections marked as identical by icf.
10640         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10641         when available.
10642         (Sized_relobj::do_section_entsize): New function.
10643         * object.h (Object::section_entsize): New function.
10644         (Object::do_section_entsize): New pure virtual function.
10645         (Relobj::finalize_local_symbols): Add new parameter.
10646         (Relobj::do_section_entsize): New function.
10647         * options.h (General_options::icf): New option.
10648         (General_options::icf_iterations): New option.
10649         (General_options::print_icf_sections): New option.
10650         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10651         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10652         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10653         icf.
10654         * symtab.cc (Symbol_table::is_section_folded): New function.
10655         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10656         to sections marked as identical by icf.
10657         * symtab.h (Symbol_table::set_icf): New function.
10658         (Symbol_table::icf): New function.
10659         (Symbol_table::is_section_folded): New function.
10660         (Symbol_table::icf_): New data member.
10661         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10662         * testsuite/Makefile.am: Add commands to build icf_test.
10663         * testsuite/Makefile.in: Regenerate.
10664         * testsuite/icf_test.sh: New file.
10665         * testsuite/icf_test.cc: New file.
10666
10667 2009-07-24  Chris Demetriou  <cgd@google.com>
10668
10669         * layout.cc (is_compressible_debug_section): Fix incorrect
10670         comment about compressed section names.
10671
10672 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10673
10674         PR 10419
10675         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10676
10677 2009-07-16  Ian Lance Taylor  <iant@google.com>
10678
10679         PR 10400
10680         * layout.h: #include <map>.
10681         (class Kept_section): Change from struct to class.  Add accessors
10682         and setters.  Add section size to Comdat_group mapping.  Change
10683         Comdat_group to std::map.  Add is_comdat_ field.  Add
10684         linkonce_size field in union.
10685         (class Layout): Update declaration of find_or_add_kept_section.
10686         Don't declare find_kept_object.
10687         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10688         parameter.  Add object, shndx, is_comdat, and is_group_name
10689         parameters.  Change all callers.  Adjust for new Kept_section.
10690         (Layout::find_kept_object): Remove.
10691         * object.cc (Sized_relobj::include_section_group): Update use of
10692         Kept_section.  Rename secnum to shndx.  Only record
10693         Kept_comdat_section if sections are the same size.
10694         (Sized_relobj::include_linkonce_section): Update use of
10695         Kept_section.  Only record Kept_comdat_section if sections are the
10696         same size.  Set size of linkonce section.
10697         (Sized_relobj::map_to_kept_section): Update call to
10698         get_kept_comdat_section.
10699         * object.h (class Sized_relobj): Rename fields in
10700         Kept_comdat_section to drop trailing underscores; change object
10701         field to Relobj*.  Change Kept_comdat_section_table to store
10702         struct rather than pointer.
10703         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10704         Add kept_object and kept_shndx parameters.  Change all callers.
10705         (Sized_relobj::get_kept_comdat_section): Change return type to
10706         bool.  Add kept_object and kept_shndx parameters.  Change all
10707         callers.
10708         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10709         Layout::find_or_add_kept_section.
10710
10711 2009-07-09  Ian Lance Taylor  <iant@google.com>
10712
10713         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10714         Reserve space in the hash table.
10715
10716 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10717
10718         * fileread.cc (File_read::get_mtime): New method.
10719         * fileread.h (Timespec): New structure.
10720         (File_read::get_mtime): New method.
10721         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10722         Renamed from timestamp_nsec.
10723         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10724         Elf_Xword.
10725         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10726         timestamp_nsec.
10727         (Incremental_inputs::report_archive): Save mtime; style fix.
10728         (Incremental_inputs::report_obejct): Save mtime; style fix.
10729         (Incremental_inputs::report_script): Save mtime; style fix.
10730         (Incremental_inputs::finalize_inputs): Style fix.
10731         (Incremental_inputs::finalize): Style fix.
10732         (Incremental_inputs::create_input_section_data): Store inputs
10733         mtime.
10734         * incremental.h (Incremental_inputs::report_script): Add mtime
10735         argument.
10736         (Incremental_inputs::Input_info::Input_info): Intialize only one
10737         union member.
10738         (Incremental_inputs::Input_info::archive): Move to nameless
10739         union.
10740         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10741         (Incremental_inputs::Input_info::script): Move to nameless union.
10742         (Incremental_inputs::mtime): New field.
10743         * script.cc (read_input_script): Pass file mtime to
10744         Incremental_input.
10745         * script.h (Script_info::inputs): Style fix.
10746
10747 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10748
10749         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10750         instead of 32.
10751
10752 2009-06-24  Ian Lance Taylor  <iant@google.com>
10753
10754         PR 10156
10755         * layout.cc (Layout::choose_output_section): If we find an
10756         existing section, update the flags.
10757         (Layout::create_notes): New function, broken out of
10758         Layout::finalize.
10759         (Layout::finalize): Don't create note sections.
10760         (Layout::create_note): Don't crash if linker script discards
10761         section.
10762         (Layout::create_gold_note): Likewise.
10763         (Layout::create_build_id): Likewise.  Don't set
10764         after_input_sections on the section.
10765         (Layout::create_executable_stack_info): Remove target parameter.
10766         Change caller.
10767         * layout.h (class Layout): Declare create_notes.  Update
10768         declaration of create_executable_stack_info.
10769         * gold.cc (queue_middle_tasks): Call create_notes.
10770         * output.cc (Output_section::update_flags_for_input_section): Move
10771         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10772         invalid.
10773         * output.h (Output_data::mark_address_invalid): New function.
10774         (class Output_section): Only declare, not define,
10775         update_flags_for_input_section.  Remove set_flags.
10776
10777 2009-06-24  Ian Lance Taylor  <iant@google.com>
10778
10779         * script-sections.cc (Output_section_definition::
10780         set_section_addresses): Rename shadowing local load_address to
10781         laddr.
10782
10783 2009-06-24  Ian Lance Taylor  <iant@google.com>
10784
10785         PR 10244
10786         * reloc.cc (relocate_sections): Skip empty relocation sections.
10787
10788 2009-06-23  Ian Lance Taylor  <iant@google.com>
10789
10790         PR 10156
10791         * layout.cc (Layout::create_note): Use choose_output_section
10792         rather than make_output_section.
10793
10794 2009-06-23  Ian Lance Taylor  <iant@google.com>
10795
10796         PR 10237
10797         * options.cc (General_options::parse_V): Set printed_version_.
10798         (General_options::General_options): Initialize printed_version_.
10799         * options.h (class General_options): Add printed_version_ field.
10800         * gold.cc (queue_initial_tasks): If there are no input files,
10801         don't give a fatal error if we printed the version information.
10802         (queue_middle_tasks): If using -r with a shared object, give a
10803         fatal error rather than an ordinary error.
10804
10805 2009-06-23  Ian Lance Taylor  <iant@google.com>
10806
10807         PR 10219
10808         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10809         (Layout::make_output_section): Set have_stabstr_section_ if we see
10810         a .stab*str section.
10811         (Layout::finalize): Call link_stabs_sections.
10812         (Layout::link_stabs_sections): New file.
10813         * layout.h (class Layout): Add have_stabstr_section_ field.
10814         Declare link_stabs_sections.
10815
10816 2009-06-23  Doug Kwan  <dougkwan@google.com>
10817
10818         * Makefile.am (libgold_a_LIBADD): New.
10819         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10820         * Makefile.in: Regenerate.
10821         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10822         * configure: Regenerate.
10823         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10824         * fileread.cc: Include sys/state.h
10825         * gold.h: Declare memmem and strndup if found missing.
10826         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10827
10828 2009-06-23  Ian Lance Taylor  <iant@google.com>
10829
10830         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10831         * configure: Rebuild.
10832
10833 2009-06-23  Ian Lance Taylor  <iant@google.com>
10834
10835         PR 10147
10836         * object.cc (Object::section_contents): Don't try to get a view if
10837         the section has length zero.
10838         (Object::handle_gnu_warning_section): If the section is empty, use
10839         the name of the section as the warning.
10840
10841 2009-06-23  Ian Lance Taylor  <iant@google.com>
10842
10843         PR 10133
10844         * stringpool.h (class Stringpool_template): Add optimize_ field.
10845         (Stringpool_template::set_optimize): New function.
10846         * stringpool.cc (Stringpool_template::Stringpool_template):
10847         Initialize optimize_ field.
10848         (Stringpool_template::set_string_offsets): Test local optimize
10849         fild rather than parameter.
10850         * layout.cc (Layout::Layout): Call set_optimize on the section
10851         name stringpool.
10852
10853 2009-06-22  Ian Lance Taylor  <iant@google.com>
10854
10855         PR 10030
10856         * yyscript.y: Parse TARGET.
10857         * script.cc (script_set_target): New function.
10858         * script-c.h (script_set_target): Declare.
10859         * options.cc (General_options::string_to_object_format): Rename
10860         from string_to_object_format in anonymous namespace.  Change
10861         callers.
10862         * options.h (class General_options): Declare
10863         string_to_object_format.
10864
10865 2009-06-22  Ian Lance Taylor  <iant@google.com>
10866
10867         * script-sections.cc (Script_sections::create_segments): Don't put
10868         program headers in a PT_LOAD segment if -n or -N.
10869
10870 2009-06-22  Ian Lance Taylor  <iant@google.com>
10871
10872         PR 10141
10873         * options.h (class General_options): Add -z lazy and -z now.  Sort
10874         -z options into alphabetical order.
10875         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10876
10877 2009-06-21  Ian Lance Taylor  <iant@google.com>
10878
10879         * layout.cc (Layout::make_output_section): Call
10880         Target::new_output_section.
10881         (Layout::attach_allocated_section_to_segment): Put large section
10882         sections in a separate load segment with the large segment flag
10883         set.
10884         (Layout::segment_precedes): Sort large data segments after other
10885         load segments.
10886         (align_file_offset): New static function.
10887         (Layout::set_segment_offsets): Use align_file_offset.
10888         * output.h (class Output_section): Add is_small_section_ and
10889         is_large_section_ fields.
10890         (Output_section::is_small_section): New function.
10891         (Output_section::set_is_small_section):  New function.
10892         (Output_section::is_large_section): New function.
10893         (Output_section::set_is_large_section): New function.
10894         (Output_section::is_large_data_section): New function.
10895         (class Output_segment): Add is_large_data_segment_ field.
10896         (Output_segment::is_large_data_segment): New function.
10897         (Output_segment::set_is_large_data_segment): New function.
10898         * output.cc (Output_section::Output_section): Initialize new
10899         fields.
10900         (Output_segment::Output_segment): Likewise.
10901         (Output_segment::add_output_section): Add assertion that large
10902         data sections always go in large data segments.  Force small data
10903         sections to the end of the list of data sections.  Force small BSS
10904         sections to the start of the list of BSS sections.  For large BSS
10905         sections to the end of the list of BSS sections.
10906         * symtab.h (class Symbol): Declare is_common_shndx.
10907         (Symbol::is_defined): Check Symbol::is_common_shndx.
10908         (Symbol::is_common): Likewise.
10909         (class Symbol_table): Define enum Commons_section_type.  Update
10910         declarations.  Add small_commons_ and large_commons_ fields.
10911         * symtab.cc (Symbol::is_common_shndx): New function.
10912         (Symbol_table::Symbol_table): Initialize new fields.
10913         (Symbol_table::add_from_object): Put small and large common
10914         symbols in the right list.
10915         (Symbol_table::sized_finalized_symbol): Check
10916         Symbol::is_common_shndx.
10917         (Symbol_table::sized_write_globals): Likewise.
10918         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10919         common symbol lists.  Don't call do_allocate_commons_list if the
10920         list is empty.
10921         (Symbol_table::do_allocate_commons_list): Remove is_tls
10922         parameter.  Add comons_section_type parameter.  Change all
10923         callers.  Handle small and large common symbols.
10924         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10925         Symbol::is_common_shndx.
10926         * resolve.cc (symbol_to_bits): Likewise.
10927         * target.h (Target::small_common_shndx): New function.
10928         (Target::small_common_section_flags): New function.
10929         (Target::large_common_shndx): New function.
10930         (Target::large_common_section_flags): New function.
10931         (Target::new_output_section): New function.
10932         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10933         small_common_section_flags, and large_common_section_flags
10934         fields.
10935         (Target::do_new_output_section): New virtual function.
10936         * arm.cc (Target_arm::arm_info): Initialize new fields.
10937         * i386.cc (Target_i386::i386_info): Likewise.
10938         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10939         Likewise.
10940         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10941         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10942         (Target_x86_64::do_new_output_section): New function.
10943         * configure.ac: Define conditional MCMODEL_MEDIUM.
10944         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10945         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10946         (large_LDFLAGS): Define.
10947         * testsuite/large.c: New file.
10948         * testsuite/testfile.cc (Target_test::test_target_info):
10949         Initialize new fields.
10950         * configure, testsuite/Makefile.in: Rebuild.
10951
10952 2009-06-05  Doug Kwan  <dougkwan@google.com>
10953
10954         * Makefile.am (CCFILES): Add target.cc.
10955         * Makefile.in: Regenerate.
10956         * i386.cc (class Target_i386): Define new virtual method to
10957         override do_is_local_label_name in parent.
10958         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10959         local symbols if --discard-locals or -X is given.
10960         * options.h (class General_options): Declare new options
10961         '--discard-locals' and '-X' for discarding locals.
10962         * target.h (class Target): Define new methods is_local_label_name.
10963         Declare new virtual method do_is_local_label_name.
10964         * target.cc: New file.
10965         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10966         (check_SCRIPTS): Add discard_locals_test.sh.
10967         (check_DATA): Add discard_local_tests.syms.
10968         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10969         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10970         * testsuite/Makefile.in: Regenerate.
10971         * testsuite/discard_locals_test.c: New file.
10972         * testsuite/discard_locals_test.sh: Same.
10973
10974 2009-06-05  Doug Kwan  <dougkwan@google.com>
10975
10976         * object.cc (Sized_relobj::Sized_relobj): Initialize
10977         discarded_eh_frame_shndx_ to -1U.
10978         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10979         section.
10980         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10981         a discarded .eh_frame section.
10982         (Sized_relobj::do_finalize_local_symbols): Ditto.
10983         * object.h (class Sized_relobj): Declare new member
10984         discarded_eh_frame_shndx_.
10985         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10986         (local_labels_test.o, local_labels_test): New rules.
10987         * testsuite/Makefile.in: Regenerate.
10988
10989 2009-06-04  Doug Kwan  <dougkwan@google.com>
10990
10991         * layout.cc (Layout::section_name_mapping): Add mapping for
10992         special ARM sections.
10993
10994 2009-06-03  Doug Kwan  <dougkwan@google.com>
10995
10996         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10997         (utils::has_overflow): Same.
10998
10999 2009-06-03  Ian Lance Taylor  <iant@google.com>
11000
11001         * layout.cc (Layout::section_name_mapping): New array, replacing
11002         Layout::linkonce_mapping.
11003         (Layout::section_name_mapping_count): New variable, replacing
11004         Layout::linkonce_mapping_count.
11005         (Layout::linkonce_output_name): Remove.
11006         (Layout::output_section_name): Rewrite.
11007         * layout.h (class Layout): Rename Linkonce_mapping to
11008         Section_name_mapping, linkonce_mapping to section_name_mapping,
11009         linkonce_mapping_count to section_name_mapping_count.  Don't
11010         declare linkonce_output_name.
11011
11012 2009-06-03  Doug Kwan  <dougkwan@google.com>
11013
11014         * gold/arm.cc (namespace utils): New.
11015         (Target_arm::reloc_is_non_pic): Define new method.
11016         (class Arm_relocate_functions): New.
11017         (Target_arm::Relocate::relocate): Handle relocation types used by
11018         Android.
11019
11020 2009-06-03  Ian Lance Taylor  <iant@google.com>
11021
11022         * arm.cc (Target_arm::scan::global): Use || instead of |.
11023
11024 2009-06-02  Doug Kwan  <dougkwan@google.com>
11025
11026         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11027         issued_non_pic_error_.
11028         (class Target_arm::Scan): Declare new method check_non_pic.
11029         Define new method symbol_needs_plt_entry.
11030         Declare new data member issued_non_pic_error_.
11031         (class Target_arm::Relocate): Declare new method
11032         should_apply_static_reloc.
11033         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11034         (Target_arm::Scan::check_non_pic): Define new method.
11035         (Target_arm::Scan::local): Handle a small subset of reloc types used
11036         by Android.
11037         (Target_arm::Scan::local): Same.
11038         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11039
11040 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11041
11042         * incremental.cc (Incremental_inputs::report_command_line): Filter
11043         out --incremental-* options.
11044
11045 2009-05-29  Doug Kwan  <dougkwan@google.com>
11046
11047         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11048         template class.
11049         (class Target_arm): Update comment.
11050         (Target_arm::Target_arm): Initialize new data members GOT_,
11051         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11052         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11053         and Target_arm::rel_dyn_section.
11054         Declare new_enum Target_arm::Got_type.
11055         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11056         and DYNBSS_.
11057         Update commments for member do_dynsym_value.
11058         (Target_arm::got_size, Target_arm::plt_section,
11059         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11060         new methods inside class defintion.
11061         (Target_arm::got_section): Define new method.
11062         (Target_arm::rel_dyn_section): Same.
11063         (Output_data_plt_arm): New template class.
11064         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11065         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11066         (Output_data_plt_arm::add_entry): Same.
11067         (Output_data_plt_arm::first_plt_entry): Define new
11068         static data member for PLT instruction template.
11069         (Output_data_plt_arm::plt_entry): Same.
11070         (Output_data_plt_arm::do_write): Define new method.
11071         (Target_arm::make_plt_entry): Same.
11072         (Target_arm::do_finalize_sections): Same.
11073         (Target_arm::do_dynsym_value): Same.
11074
11075 2009-05-28  Doug Kwan  <dougkwan@google.com>
11076
11077         * Makefile.am (TARGETSOURCES): Add arm.cc.
11078         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11079         * Makefile.in: Regenerate.
11080         * arm.cc: New file.
11081         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11082
11083 2009-05-26  Doug Kwan  <dougkwan@google.com>
11084
11085         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11086         (General_options::check_excluded_libs): Strip off directories in
11087         archive name before matching like GNU ld does.
11088         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11089         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11090         (exclude_libs_test_LDFLAGS): Add linker option
11091         -Wl,--exclude-libs,libexclude_libs_test_3
11092         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11093         an explicit archive without using -l.
11094         (alt/libexclude_libs_test_3.a): New make rule.
11095         * testsuite/Makefile.in: Regenerate.
11096         * testsuite/exclude_libs_test.c : Declare lib3_default().
11097         (main): Call it.
11098         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11099         * exclude_libs_test_3.c: New file.
11100
11101 2009-05-26  Nick Clifton  <nickc@redhat.com>
11102
11103         * po/id.po: New Indonesian translation.
11104         * po/gold.pot: Updated template file.
11105
11106 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11107
11108         * testsuite/Makefile.am: Add -ffunction-sections to compile
11109         gc_comdat_test files.  Add -Wl,--gc-sections to build
11110         gc_comdat_test.
11111         * testsuite/Makefile.in: Regenerate.
11112         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11113
11114 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11115
11116         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11117         kept comdat section was garbage collected.
11118         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11119         * testsuite/Makefile.in: Regenerate.
11120         * testsuite/gc_comdat_test.sh: New file.
11121         * testsuite/gc_comdat_test_1.cc: New file.
11122         * testsuite/gc_comdat_test_2.cc: New file.
11123
11124 2009-05-19  Doug Kwan  <dougkwan@google.com>
11125
11126         * archive.cc (Archive::Archive): Move constructor from archive.h
11127         to here.  Initialize no_export_.
11128         (Archive::get_elf_object_for_member): Set no_export flag of object.
11129         * archive.h (Archive::Archive): Move constructor body to
11130         archive.cc.
11131         (Archive::no_export): New method.
11132         (Archive::no_export_): New field.
11133         * object.h (Object::Object): Initialize no_export_ to false.
11134         (Object::no_export, Object::set_no_export): New methods.
11135         (Object::no_export_): New field.
11136         * options.cc (General_options::parse_exclude_libs): New method.
11137         (General_options::check_excluded_libs) Same.
11138         * options.h (exclude_libs): New option.
11139         (General_options::check_excluded_libs): New method declaration.
11140         (General_options::excluded_libs_): New field.
11141         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11142         default or protected visibility if an object has no-export flag set.
11143         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11144         (check_SCRIPTS): Add exclude_libs_test.sh.
11145         (check_DATA): Add exclude_libs_test.syms.
11146         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11147         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11148         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11149         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11150         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11151         libexclude_libs_test_2.a): New rules.
11152         * testsuite/Makefile.in: Regenerate.
11153         * testsuite/exclude_libs_test.c: New file.
11154         * testsuite/exclude_libs_test.sh: Ditto.
11155         * testsuite/exclude_libs_test_1.c: Ditto.
11156         * testsuite/exclude_libs_test_2.c: Ditto.
11157
11158 2009-05-15  Ian Lance Taylor  <iant@google.com>
11159
11160         * configure.ac: Check for declarations for cases where libiberty.h
11161         checks HAVE_DECL_xxx.
11162         * configure, config.in: Rebuild.
11163
11164 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11165
11166         * gold.h (Incremental_argument_list): Remove (invalid) forward
11167         declaration.
11168         * incremental.cc (Incremental_inputs::report_achive): New method.
11169         (Incremental_inputs::report_object): New method.
11170         (Incremental_inputs::report_script): New method.
11171         (Incremental_inputs::finalize_inputs): New method.
11172         (Incremental_inputs::finalize): Call finalize_inputs().
11173         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11174         Create inputs entries.
11175         * incremental.h (Incremental_input_type): New enum.
11176         (Incremental_inputs::Incremental_input): Initialize new fields.
11177         (Incremental_inputs::report_inputs): New method.
11178         (Incremental_inputs::report_achive): New method.
11179         (Incremental_inputs::report_object): New method.
11180         (Incremental_inputs::report_script): New method.
11181         (Incremental_inputs::finalize_inputs): New method.
11182         (Incremental_inputs::Input_info): New struct.
11183         (Incremental_inputs::Input_info_map): New typedef.
11184         (Incremental_inputs::lock_): New field.
11185         (Incremental_inputs::Inputs_): New field.
11186         (Incremental_inputs::Inputs_map): New field.
11187         * main.cc (main): Call Incremental_input::report_inputs.
11188         * options.h (Input_argument_list): Typedef moved from
11189         Input_arguments.
11190         (Input_file_group::Files): Remove, use ::Input_argument_list.
11191         (Input_file_group::Input_argument_list): Remove, use
11192         ::Input_argument_list.
11193         * plugin.cc (Plugin_manager::add_input_file): Add error in
11194         incremental build.
11195         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11196         functions.
11197         * script.cc (read_input_script): Call
11198         Incremental_input::report_script.
11199         * script.h (Script_info): New class.
11200
11201 2009-04-27  Ian Lance Taylor  <iant@google.com>
11202
11203         * x86_64.cc (do_adjust_output_section): Set entsize to
11204         plt_entry_size.
11205
11206 2009-04-23  Elliott Hughes  <enh@google.com>
11207
11208         * output.cc (Output_file::close): After short writes, continue
11209         writing from the correct offset in the buffer being written.
11210
11211 2009-04-23  Chris Demetriou  <cgd@google.com>
11212
11213         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11214         * configure: Regenerate.
11215         * config.in: Regenerate.
11216         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11217         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11218
11219 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11220
11221         * incremental.cc (Incremental_inputs_header_data): Renamed from
11222         Incremental_input_header_data.
11223         (Incremental_inputs_header_data::data_size): New field.
11224         (Incremental_inputs_header_data::put_input_file_count): Renamed
11225         from input_file_count.
11226         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11227         from command_line_offset.
11228         (Incremental_inputs_header_data::put_reserved): Renamed from
11229         put_reserved.
11230         (Incremental_inputs_entry_data): Renamed from
11231         Incremental_input_entry_data.
11232         (Incremental_inputs_entry_data::data_size): New field.
11233         (Incremental_inputs::report_command_line): New method.
11234         (Incremental_inputs::finalize): New method.
11235         (Incremental_inputs::create_incremental_inputs_data): New method.
11236         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11237         * incremental.h: New file.
11238         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11239         (Layout::finalize): Create incremental inputs section in
11240         incremental builds.
11241         (Layout::create_incremental_info_sections): New method.
11242         * layout.h (Layout::incremental_inputs): New method.
11243         (Layout::create_incremental_info_sections): New method.
11244         (Layout::incremental_inputs_): New field.
11245         * main.cc (main): Notify Incremental_input of the command line.
11246
11247 2009-04-01  Ian Lance Taylor  <iant@google.com>
11248             Mikolaj Zalewski  <mikolajz@google.com>
11249
11250         * gold.h (reserve_unordered_map): Define, three versions, one for
11251         each version of Unordered_map.
11252         * layout.cc (Layout::Layout): Remove options parameter.  Add
11253         number_of_input_files parameter.  Don't initialize options_.
11254         Initialize number_of_input_files_ and resized_signatures_.  Move
11255         sections_are_attached_.
11256         (Layout::layout_group): Reserve space for group_signatures_.
11257         (Layout::find_or_add_kept_section): Change name parameter to be a
11258         reference.  Resize signatures_ map when it gets large enough.
11259         (Layout::layout_eh_frame): Use parameters->options() instead of
11260         this->options_.
11261         (Layout::make_output_section): Likewise.
11262         (Layout::attach_allocated_section_to_segment): Likewise.
11263         (Layout::finalize, Layout::create_executable_stack): Likewise.
11264         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11265         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11266         * layout.h (class Layout): Update declarations.  Remove options_
11267         field.  Add number_of_input_files_ and resized_signatures_
11268         fields.  Move sections_are_attached_ field.
11269         * main.cc (main): Pass number of input files to Layout
11270         constructor.  Don't pass options.
11271
11272 2009-03-30  Ian Lance Taylor  <iant@google.com>
11273
11274         * ffsll.c (ffsll): Correct implementation.
11275
11276 2009-03-27  Ian Lance Taylor  <iant@google.com>
11277
11278         * ffsll.c: New file.
11279         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11280         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11281         * ftruncate.c (ftruncate): Declare before definition.
11282         * mremap.c (mremap): Likewise.
11283         * pread.c (pread): Likewise.
11284         * configure, Makefile.in, config.in: Rebuild.
11285
11286         * mremap.c: New file.
11287         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11288         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11289         (mremap): Declare if HAVE_MREMAP is not defined.
11290         * configure, Makefile.in, config.in: Rebuild.
11291
11292 2009-03-27  Cary Coutant  <ccoutant@google.com>
11293
11294         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11295         position independent.
11296         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11297         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11298
11299 2009-03-24  Cary Coutant  <ccoutant@google.com>
11300
11301         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11302         an executable.
11303         (needs_dynamic_reloc): Likewise.
11304
11305 2009-03-24  Ian Lance Taylor  <iant@google.com>
11306
11307         * yyscript.y (file_cmd): Recognize EXTERN.
11308         (extern_name_list, extern_name_list_body): New nonterminals.
11309         * script.cc (script_add_extern): Define.
11310         * script-c.h (script_add_extern): Declare.
11311
11312 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11313
11314         * object.cc (is_elf_object): Define.
11315         * object.h (is_elf_object): Declare.
11316         * archive.cc (Archive::get_elf_object_for_member): Call
11317         is_elf_object.
11318         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11319
11320 2009-03-24  Elliott Hughes  <enh@google.com>
11321
11322         * output.cc (Output_file::map_anonymous): Define.
11323         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11324         try an anonymous one.  Report the size if the mmap fails.
11325         * output.h (class Output_file): Declare map_anonymous.
11326
11327 2009-03-24  Ian Lance Taylor  <iant@google.com>
11328
11329         * target-select.cc (instantiate_target): Don't acquire the lock if
11330         the instantiated_target_ field has already been set.
11331
11332 2009-03-23  Ian Lance Taylor  <iant@google.com>
11333
11334         * gold-threads.h (class Initialize_lock): Define.
11335         * gold-threads.cc (class Initialize_lock_once): Define.
11336         (initialize_lock_control): New static variable.
11337         (initialize_lock_pointer): New static variable.
11338         (initialize_lock_once): New static function.
11339         (Initialize_lock::Initialize_lock): Define.
11340         (Initialize_lock::initialize): Define.
11341         * target-select.h: Include "gold-threads.h".
11342         (class Target_selector): Add lock_ and initialize_lock_ fields.
11343         Don't define instantiate_target, just declare it.
11344         * target-select.cc (Target_selector::Target_selector): Initialize
11345         new fields.
11346         (Target_selector::instantiate_target): Define.
11347         * descriptors.h: Include "gold-threads.h".
11348         (class Descriptors): Add initialize_lock_ field.
11349         * descriptors.cc (Descriptors::Descriptors): Initialize new
11350         field.
11351         (Descriptors::open): Use initialize_lock_ field
11352         * errors.h (class Errors): Add initialize_lock_ field.
11353         * errors.cc (Errors::Errors): Initialize new field.
11354         (Errors::initialize_lock): Use initialize_lock_ field.
11355         * powerpc.cc (class Target_selector_powerpc): Remove
11356         instantiated_target_ field.  In do_recognize call
11357         instantiate_target rather than do_instantiate_target.  In
11358         do_instantiate_target just allocate a new target.
11359         * sparc.cc (class Target_selector_sparc): Likewise.
11360
11361         * freebsd.h: New file.
11362         * i386.cc: Include "freebsd.h".
11363         (Target_i386): Derive from Target_freebsd rather than
11364         Sized_target.
11365         (Target_selector_i386): Derive from Target_selector_freebsd rather
11366         than Target_selector.
11367         * x86_64.cc: Include "freebsd.h".
11368         (Target_x86_64): Derive from Target_freebsd rather than
11369         Sized_target.
11370         (Target_selector_x86_64): Derive from Target_selector_freebsd
11371         rather than Target_selector.
11372         * target.h (class Target): Add adjust_elf_header and
11373         do_adjust_elf_header.
11374         * output.cc (Output_file_header:: do_sized_write): Call target
11375         adjust_elf_header routine.
11376         * configure.tgt: Set targ_osabi.
11377         * configure.ac: Define GOLD_DEFAULT_OSABI.
11378         * parameters.cc (Parameters::default_target): Pass
11379         GOLD_DEFAULT_OSABI to select_target.
11380         * target-select.h (class Target_selector): Make instantiate_target
11381         protected rather than private.
11382         * Makefile.am (HFILES): Add freebsd.h.
11383         * configure, Makefile.in, config.in: Rebuild.
11384
11385         * merge.cc (do_add_input_section): Correct pend value.  Change
11386         message about last entry not being null terminated from error to
11387         warning.
11388
11389 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11390
11391         * incremental.cc: New file.
11392         * Makefile.am (CCFILES): Add incremental.cc.
11393         * Makefile.in: Rebuild.
11394
11395 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11396
11397         * layout.cc (Layout::output_section_name): Preserve names
11398         of '.note.' sections.
11399
11400 2009-03-19  Ian Lance Taylor  <iant@google.com>
11401
11402         * descriptors.cc (Descriptors::open): Check that the options are
11403         valid before using them.
11404
11405 2009-03-18  Ian Lance Taylor  <iant@google.com>
11406
11407         * script-sections.h: Include <list>.
11408         (class Script_sections): Change Sections_elements from std::vector
11409         to std::list.  Typedef public Elements_iterator.  Add
11410         orphan_section_placement_, data_segment_align_start_, and
11411         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11412         field.
11413         * script-sections.cc (class Orphan_section_placement): New class.
11414         (class Sections_element): Add virtual functions is_relro and
11415         orphan_section_init.  Remove virtual function place_orphan_here.
11416         (class Output_section_definition): Add is_relro and
11417         orphan_section_init.  Remove place_orphan_here.
11418         (class Orphan_output_section): Likewise.
11419         (Script_sections::Script_sections): Update for field changes.
11420         (Script_sections::data_segment_align): Set saw_data_segment_align_
11421         and data_segment_align_start_, not data_segment_align_index.
11422         (Script_sections::data_segment_relro_end): Check
11423         saw_data_segment_align_.  Use data_segment_align_start_ rather
11424         than data_segment_align_index_.
11425         (Script_sections::place_orphan): Rewrite to use
11426         Orphan_section_placement.
11427
11428 2009-03-17  Ian Lance Taylor  <iant@google.com>
11429
11430         * archive.cc (Archive::add_symbols): Check for a version attached
11431         to the symbol name in the archive map.
11432         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11433         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11434         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11435         (ver_test_11.a): New target.
11436         * testsuite/Makefile.in: Rebuild.
11437
11438         * configure.ac: Check for chsize and posix_fallocate.  Replace
11439         ftruncate.
11440         * ftruncate.c: New file, from gnulib.
11441         * output.cc (posix_fallocate): Define dummy version if not
11442         HAVE_POSIX_FALLOCATE.
11443         (Output_file::map): Call posix_fallocate rather than lseek and
11444         write.
11445         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11446         * configure, Makefile.in, config.in: Rebuild.
11447
11448 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11449
11450         * layout.h (Layout::create_note): Add section_name parameter.
11451         * layout.cc (Layout::create_note): Likewise.
11452         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11453
11454 2009-03-17  Ian Lance Taylor  <iant@google.com>
11455
11456         * descriptors.cc: Include "options.h".
11457         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11458         (Descriptors::open): Always use O_CLOEXEC when opening a new
11459         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11460         then set FD_CLOEXEC.
11461
11462         * sparc.cc (class Target_sparc): Add has_got_section.
11463         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11464         make sure we have a GOT section.
11465
11466         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11467         (Target_sparc::Scan::local): Likewise.
11468         (Target_sparc::Scan::global): Likewise.
11469         (Target_sparc::Relocate::relocate): Likewise.
11470         (Target_sparc::Relocate::relocate_tls): Likewise.
11471
11472         * symtab.cc (Symbol_table::define_default_version): New function,
11473         broken out of add_from_object.
11474         (Symbol_table::add_from_object): Call define_default_version.
11475         (Symbol_table::define_special_symbol): Add resolve_oldsym
11476         parameter.  Change all callers.  If the version for a symbol comes
11477         from a version script, resolve it with the symbol with the same
11478         name with no version.  Also add the symbol without a version if
11479         appropriate.
11480         (do_define_in_output_data): If resolving with oldsym, don't delete
11481         sym.
11482         (do_define_in_output_segment): Likewise.
11483         (do_define_as_constant): Likewise.
11484         * symtab.h (class Symbol_table): Update declarations.
11485
11486 2009-03-13  Ian Lance Taylor  <iant@google.com>
11487
11488         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11489         (Read_symbols::requeue): New function.
11490         (Read_symbols::do_read_symbols): If make_elf_object fails because
11491         the target type is not configured, and the file was searched for,
11492         issue a warning and retry with the next directory.
11493         (Add_symbols::run): If the file has an incompatible format, and
11494         it was searched for, requeue the Read_symbols task.  On error,
11495         release the object.
11496         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11497         dirindex parameter to constructor.  Change all callers.  Declare
11498         incompatible_warning and requeue.
11499         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11500         input_argument_ and input_group_ fields.  Add them to
11501         constructor.  Change all callers.
11502         (class Read_script): Add dirindex_ field.  Add it to constructor.
11503         Change all callers.
11504         * archive.cc (Archive::setup): Remove input_objects parameter.
11505         Change all callers.
11506         (Archive::get_file_and_offset): Likewise.
11507         (Archive::read_all_symbols): Likewise.
11508         (Archive::read_symbols): Likewise.
11509         (Archive::get_elf_object_for_member): Remove input_objects
11510         parameter.  Add punconfigured parameter.  Change all callers.
11511         (Archive::add_symbols): Change return type to bool.  Check return
11512         value of include_member.
11513         (Archive::include_all_members): Likewise.
11514         (Archive::include_member): Change return type to bool.  Return
11515         false if first included object has incompatible target.  Set
11516         included_member_ field.
11517         (Add_archive_symbols::run): If add_symbols returns false, requeue
11518         Read_symbols task.
11519         * archive.h (class Archive): Add included_member_ field.
11520         Initialize it in constructor.  Add input_file and searched_for
11521         methods.  Update declarations.
11522         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11523         input_argument_ fields.  Add them to constructor.  Change all
11524         callers.
11525         * script.cc: Include "target-select.h".
11526         (class Parser_closure): Add skip_on_incompatible_target_ and
11527         found_incompatible_target_ fields.  Add
11528         skip_on_incompatible_target parameter to constructor.  Change all
11529         callers.  Add methods skip_on_incompatible_target,
11530         clear_skip_on_incompatible_target, found_incompatible_target, and
11531         set_found_incompatible_target.
11532         (read_input_script): Add dirindex parameter.  Change all callers.
11533         If parser finds an incompatible target, requeue Read_symbols
11534         task.
11535         (script_set_symbol): Clear skip_on_incompatible_target in
11536         closure.
11537         (script_add_assertion, script_parse_option): Likewise.
11538         (script_start_sections, script_add_phdr): Likewise.
11539         (script_check_output_format): New function.
11540         * script.h (read_input_script): Update declaration.
11541         * script-c.h (script_check_output_format): Declare.
11542         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11543         (ignore_cmd): Remove OUTPUT_FORMAT.
11544         * fileread.cc (Input_file::Input_file): Add explicit this.
11545         (Input_file::will_search_for): New function.
11546         (Input_file::open): Add pindex parameter.  Change all callers.
11547         * fileread.h (class Input_file): Add input_file_argument method.
11548         Declare will_search_for.  Update declarations.
11549         * object.cc (make_elf_object): Add punconfigured parameter.
11550         Change all callers.
11551         * object.h (class Object): Make input_file public.  Add
11552         searched_for method.
11553         (make_elf_object): Update declaration.
11554         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11555         restart search.
11556         * dirsearch.h (class Dirsearch): Update declaration.
11557         * options.h (class General_options): Add --warn-search-mismatch.
11558         * parameters.cc (Parameters::is_compatible_target): New function.
11559         * parameters.h (class Parameters): Declare is_compatible_target.
11560         * workqueue.cc (Workqueue::add_blocker): New function.
11561         * workqueue.h (class Workqueue): Declare add_blocker.
11562
11563         * fileread.cc (Input_file::open): Remove options parameter.
11564         Change all callers.
11565         (Input_file::open_binary): Likewise.
11566         * script.cc (read_input_script): Likewise.
11567         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11568         options parameter from constructor.  Change all callers.
11569         (class Read_script): Likewise.
11570         * fileread.h (class Input_file): Update declarations.
11571         * script.h (read_input_script): Update declaration.
11572
11573 2009-03-10  Nick Clifton  <nickc@redhat.com>
11574
11575         * po/es.po: New Spanish translation.
11576
11577 2009-03-06  Cary Coutant  <ccoutant@google.com>
11578
11579         * options.cc (parse_short_option): Keep dash_z from registering itself.
11580
11581 2009-03-03  Ian Lance Taylor  <iant@google.com>
11582
11583         PR 9918
11584         * target-reloc.h (relocate_section): Pass output_section to
11585         relocate.
11586         * i386.cc (Target_i386::should_apply_static_reloc): Add
11587         output_section parameter.  Change all callers.
11588         (Target_i386::Relocate::relocate): Add output_section parameter.
11589         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11590         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11591         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11592         * testsuite/two_file_shared.sh: New script.
11593         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11594         (check_DATA): Add two_file_shared.dbg.
11595         (two_file_shared.dbg): New target.
11596         * testsuite/Makefile.in: Rebuild.
11597
11598 2009-03-01  Ian Lance Taylor  <iant@google.com>
11599
11600         * configure.ac: Check for byteswap.h.
11601         * configure: Rebuild.
11602         * config.in: Rebuild.
11603
11604 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11605
11606         * layout.cc (Layout::find_or_add_kept_section): New function.
11607         (Layout::add_comdat): Removed.
11608         * layout.h (struct Kept_section): Move out of class Layout.
11609         Remove trailing underscores from field names.  Add group_sections
11610         field.  Rename group_ field to is_group.  Change all uses.
11611         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11612         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11613         comdat_groups_ field.
11614         (Sized_relobj::include_section_group): Use
11615         find_or_add_kept_section and Kept_section::group_sections.
11616         (Sized_relobj::include_linkonce_section): Likewise.
11617         * object.cc (class Sized_relobj): Don't define Comdat_group or
11618         Comdat_group_table.  Remove find_comdat_group and
11619         add_comdat_group.  Remove comdat_groups_ field.
11620         * plugin.cc (include_comdat_group): Use
11621         Layout::find_or_add_kept_section.
11622
11623 2009-02-28  Ian Lance Taylor  <iant@google.com>
11624
11625         * README: --gc-sections and map files are now supported.  Document
11626         some build requirements.
11627
11628         PR 6992
11629         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11630         relocatable link set the value of the section symbol to zero.
11631         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11632         relocatable link don't include the section address in the local
11633         symbol value.
11634
11635 2009-02-27  Ian Lance Taylor  <iant@google.com>
11636
11637         PR 6811
11638         * options.h (class Search_directory): Add is_system_directory.
11639         (class General_options): Declare is_in_system_directory.
11640         * options.cc (get_relative_sysroot): Make static.
11641         (get_default_sysroot): Make static.
11642         (General_optoins::is_in_system_directory): New function.
11643         * fileread.cc (Input_file::is_in_system_directory): New function.
11644         * fileread.h (class Input_file): Declare is_in_system_directory.
11645         * object.h (class Object): Add is_in_system_directory.
11646         (class Input_objects): Remove system_library_directory_ field.
11647         * object.cc (Input_objects::add_object): Don't set
11648         system_library_directory_.
11649         (input_objects::found_in_system_library_directory): Remove.
11650         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11651         parameter.  Change all callers.
11652         (Symbol_table::sized_write_globals): Likewise.
11653         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11654         Call Object::is_in_system_directory.
11655         * symtab.h (class Symbol_table): Update declarations.
11656
11657         PR 5990
11658         * descriptors.h (Open_descriptor): Add is_on_stack field.
11659         * descriptors.cc (Descriptors::open): If the descriptor is on the
11660         top of the stack, remove it.  Initialize is_on_stack field.
11661         (Descriptors::release): Only add pod to stack if it is not on the
11662         stack already.
11663         (Descriptors::close_some_descriptor): Clear stack_next and
11664         is_on_stack fields.
11665
11666         PR 7091
11667         * output.cc (Output_section::find_starting_output_address): Rename
11668         from starting_output_address; add PADDR parameter; change return
11669         type.
11670         * output.h (class Output_section): Declare
11671         find_starting_output_address instead of starting_output_address.
11672         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11673         section symbol for which we can't find a merge section.
11674
11675         PR 9836
11676         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11677         hidden or internal, force the symbol to be local.
11678         * resolve.cc (Symbol::override_visibility): Define.
11679         (Symbol::override_base): Use override_visibility.
11680         (Symbol_table::resolve): Likewise.
11681         (Symbol::override_base_with_special): Likewise.
11682         (Symbol_table::override_with_special): If the visibility is hidden
11683         or internal, force the symbol to be local.
11684         * symtab.h (class Symbol): Add set_visibility and
11685         override_visibility.
11686         * testsuite/ver_test_1.sh: New file.
11687         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11688         (check_DATA): Add ver_test_1.syms.
11689         (ver_test_1.syms): New target.
11690         * testsuite/Makefile.in: Rebuild.
11691
11692 2009-02-25  Cary Coutant  <ccoutant@google.com>
11693
11694         * layout.cc (Layout::choose_output_section): Don't rename sections
11695         when using a linker script that has a SECTIONS clause.
11696         * Makefile.in: Regenerate.
11697
11698         * testsuite/Makefile.am (script_test_5.sh): New test case.
11699         * testsuite/Makefile.in: Regenerate.
11700         * testsuite/script_test_5.cc: New file.
11701         * testsuite/script_test_5.sh: New file.
11702         * testsuite/script_test_5.t: New file.
11703
11704 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11705
11706         * archive.cc (Archive::include_member): Update calls to add_symbols.
11707         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11708         the Layout argument.
11709         * dynobj.h (do_add_symbols): Add the Layout argument.
11710         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11711         Layout argument.
11712         * object.h (Object::add_symbols): Add the Layout argument.
11713         (Object::do_add_symbols): Add the Layout argument.
11714         (Sized_relobj::do_add_symbols): Add the Layout argument.
11715         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11716         Unify the two versions.
11717         (Add_plugin_symbols): Remove.
11718         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11719         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11720         (Add_plugin_symbols): Remove.
11721         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11722         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11723         (Add_symbols::run): Make it work with Pulginobj.
11724
11725 2009-02-06  Ian Lance Taylor  <iant@google.com>
11726
11727         * object.cc (Sized_relobj::do_layout): Make info message start
11728         with lower case letter.
11729
11730 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11731
11732         * binary.cc: Fix file comment.
11733
11734         * options.h (enum Incremental_disposition): Define.
11735         (class General_options): Add new options: --incremental,
11736         --incremental_changed, --incremental_unchanged,
11737         --incremental_unknown.  Add incremental_disposition_ and
11738         implicit_incremental_ fields.
11739         (General_options::incremental_disposition): New function.
11740         (class Position_dependent_options): Add incremental_disposition
11741         option.
11742         (Position_dependent_options::copy_from_options): Set incremental
11743         dispositions.
11744         * options.cc (General_options::parse_incremental_changed): New
11745         function.
11746         (General_options::parse_incremental_unchanged): New function.
11747         (General_options::parse_incremental_unknown): New function.
11748         (General_options::General_options): Initialize new fields
11749         incremental_disposition_ and implicit_incremental_.
11750         (General_options::finalize): Check for uasge of --incremental-*
11751         without --incremental.
11752
11753 2009-02-06  Chris Demetriou  <cgd@google.com>
11754
11755         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11756         pointer and to report location as the file name associated with
11757         the symbol.
11758         (gold_undefined_symbol_at_location): New function to replace the
11759         old gold_undefined_symbol functionality.
11760         * target-reloc.h (relocate_section): Update to use
11761         gold_undefined_symbol_at_location.
11762         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11763         Call gold_undefined_symbol function rather than gold_error.
11764         * errors.h (Errors::undefined_symbol): Take location as a
11765         string, rather than calculating it from a relocation.
11766         * errors.cc (Errors::fatal): Print "fatal error:" before the
11767         formatted message.
11768         (Errors::error, Errors::error_at_location): Print "error: "
11769         before the formatted message.
11770         (Errors::undefined_symbol): Take location as a string, rather
11771         than calculating it from a relocation.
11772         (gold_undefined_symbol_at_location): New function akin to
11773         old gold_undefined_symbol, calculates location from relocation.
11774         (gold_undefined_symbol): Change to take only a Symbol pointer
11775         and to report location as the file name associated with the symbol.
11776         * testsuite/debug_msg.sh: Update for changed error messages.
11777         * testsuite/undef_symbol.sh: Likewise.
11778
11779 2009-02-04  Duncan Sands  <baldrick@free.fr>
11780
11781         PR 9812
11782         * reduced_debug_output.h
11783         (Output_reduced_debug_abbrev_section::failed): Use format for
11784         gold_warning.
11785         (Output_reduced_debug_info_section::faild): Likewise.
11786
11787 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11788
11789         * script.cc (Lazy_demangler): New class.
11790         (Version_script_info::get_symbol_version_helper): Demangle a
11791         symbol only once.
11792
11793 2009-01-29  Cary Coutant  <ccoutant@google.com>
11794
11795         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11796         to __tls_get_addr.
11797         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11798
11799 2009-01-28  Ian Lance Taylor  <iant@google.com>
11800
11801         * version.cc (version_string): Bump to 1.9.
11802
11803         * gold.h: Include <cstring> and <stdint.h>.
11804         * version.cc: Include <cstdio>.
11805         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11806         warning.
11807         * reduced_debug_output.cc (insert_into_vector): Rename from
11808         Insert_into_vector; change all callers.  Use Swap_unaligned to
11809         avoid aliasing issue; remove union since it is unnecessary.
11810
11811 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11812
11813         * Makefile.am (CCFILES): Add gc.cc.
11814         (HFILES): Add gc.h.
11815         * Makefile.in: Regenerate.
11816         * gold.cc (Gc_runner): New class.
11817         (queue_initial_tasks): Call garbage collection related tasks
11818         when corresponding options are invoked.
11819         (queue_middle_gc_tasks): New function.
11820         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11821         processed early before laying out sections during garbage collection.
11822         * gold.h (queue_middle_gc_tasks): New function.
11823         (is_prefix_of): Move from "layout.cc".
11824         * i386.cc (Target_i386::gc_process_relocs): New function.
11825         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11826         * main.cc (main): Create object of class "Garbage_collection".
11827         * object.cc (Relobj::copy_symbols_data): New function.
11828         (Relobj::is_section_name_included): New function.
11829         (Sized_relobj::do_layout): Allow this function to be called twice
11830         during garbage collection and defer layout of section during the
11831         first call.
11832         * object.h (Relobj::get_symbols_data): New function.
11833         (Relobj::is_section_name_included): New function.
11834         (Relobj::copy_symbols_data): New function.
11835         (Relobj::set_symbols_data): New function.
11836         (Relobj::get_relocs_data): New function.
11837         (Relobj::set_relocs_data): New function.
11838         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11839         (Relobj::gc_process_relocs): New function.
11840         (Relobj::do_gc_process_relocs): New pure virtual function.
11841         (Relobj::sd_): New data member.
11842         (Sized_relobj::is_output_section_offset_invalid): New function.
11843         (Sized_relobj::do_gc_process_relocs): New function.
11844         * options.h (General_options::gc_sections): Modify to not be a no-op.
11845         (General_options::print_gc_sections): New option.
11846         * plugin.cc (Plugin_finish::run): Remove function call to
11847         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11848         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11849         * reloc.cc (Read_relocs::run): Add task to process relocs and
11850         determine unreferenced sections when doing garbage collection.
11851         (Gc_process_relocs): New class.
11852         (Sized_relobj::do_gc_process_relocs): New function.
11853         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11854         sections that are garbage collected.
11855         * reloc.h (Gc_process_relocs): New class.
11856         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11857         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11858         symbols whose corresponding sections are garbage collected.
11859         (Symbol_table::Symbol_table): Add new parameter for the garbage
11860         collection object.
11861         (Symbol_table::gc_mark_undef_symbols): New function.
11862         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11863         (Symbol_table::gc_mark_dyn_syms): New function.
11864         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11865         as garbage.
11866         (Symbol_table::add_from_object): Likewise.
11867         (Symbol_table::add_from_relobj): When building shared objects, do not
11868         treat externally visible symbols as garbage.
11869         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11870         table information for static and relocatable links.
11871         * symtab.h (Symbol_table::set_gc): New function.
11872         (Symbol_table::gc): New function.
11873         (Symbol_table::gc_mark_undef_symbols): New function.
11874         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11875         (Symbol_table::gc_mark_dyn_syms): New function.
11876         (Symbol_table::gc_): New data member.
11877         * target.h (Sized_target::gc_process_relocs): New pure virtual
11878         function.
11879         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11880         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11881
11882 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11883
11884         * options.h (General_options::gc_sections): Define as a no-op for now.
11885         (General_options::no_keep_memory): Ditto.
11886         (General_options::Bshareable): Define.
11887         * options.cc (General_options::finalize): Honor -Bshareable.
11888
11889 2009-01-20  Andreas Schwab  <schwab@suse.de>
11890
11891         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11892         read the value in the contents, since we don't use it.  Use the
11893         template endianness when writing.
11894         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11895
11896 2009-01-19  Andreas Schwab  <schwab@suse.de>
11897
11898         * configure.tgt (powerpc64-*): Fix targ_obj.
11899
11900 2009-01-15  Ian Lance Taylor  <iant@google.com>
11901
11902         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11903         local symbols when stripping all symbols.
11904
11905 2009-01-14  Cary Coutant  <ccoutant@google.com>
11906
11907         * output.cc (Output_reloc): Add explicit instantiations.
11908
11909 2009-01-14  Cary Coutant  <ccoutant@google.com>
11910
11911         * archive.cc (Archive::get_elf_object_for_member): Remove call
11912         to File_read::claim_for_plugin.
11913         * descriptors.cc (Descriptors::open): Remove reference to
11914         is_claimed.
11915         (Descriptors::claim_for_plugin): Remove.
11916         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11917         (Descriptors::is_claimed): Remove.
11918         (claim_descriptor_for_plugin): Remove.
11919         * fileread.cc (File_read::claim_for_plugin): Remove.
11920         * fileread.h (File_read::claim_for_plugin): Remove.
11921         (File_read::descriptor): Reopen descriptor if necessary.
11922         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11923         (Plugin_manager::all_symbols_read): Add task parameter. Change
11924         all callers.
11925         (Plugin_manager::get_input_file): New function.
11926         (Plugin_manager::release_input_file): New function.
11927         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11928         corresponding data member.
11929         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11930         and pass to base constructor. Change all callers.
11931         (get_input_file, release_input_file): New functions.
11932         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11933         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11934         (Plugin_manager::all_symbols_read): Add task parameter.
11935         (Plugin_manager::get_input_file): New function.
11936         (Plugin_manager::release_input_file): New function.
11937         (Plugin_manager::task_): New data member.
11938         (Pluginobj::Pluginobj): Add filesize parameter.
11939         (Pluginobj::filename): New function.
11940         (Pluginobj::descriptor): New function.
11941         (Pluginobj::filesize): New function.
11942         (Pluginobj::filesize_): New data member.
11943         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11944         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11945         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11946
11947         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11948         with archive libraries.
11949         * testsuite/Makefile.in: Regenerate.
11950         * testsuite/plugin_test.c (struct sym_info): New type.
11951         (get_input_file, release_input_file): New static variables.
11952         (onload): Capture new transfer vector entries.
11953         (claim_file_hook): Stop reading at end of file according to filesize.
11954         Factor out parsing of readelf output into separate function.
11955         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11956         APIs and get the source file name from the symbol table.  Convert
11957         source file name to corresponding object file name.  Print info
11958         message when adding new input files.
11959         (parse_readelf_line): New function.
11960         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11961         * testsuite/plugin_test_2.sh: Likewise.
11962         * testsuite/plugin_test_3.sh: Likewise.
11963         * testsuite/plugin_test_4.sh: New test case.
11964
11965 2009-01-07  Ian Lance Taylor  <iant@google.com>
11966
11967         * version.cc (version_string): Bump to 1.8.
11968
11969 2008-12-23  Cary Coutant  <ccoutant@google.com>
11970
11971         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11972         * plugin.cc (Plugin_manager::finish): Rename as
11973         layout_deferred_objects.  Move cleanup to separate function.
11974         (Plugin_manager::cleanup): New function.
11975         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11976         separately.
11977         * plugin.h (Plugin_manager::finish): Rename as
11978         layout_deferred_objects.
11979         (Plugin_manager::cleanup): New function.
11980         (Plugin_manager::cleanup_done): New field.
11981
11982 2008-12-23  Cary Coutant  <ccoutant@google.com>
11983
11984         * plugin.cc (is_visible_from_outside): New function.
11985         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11986         so we don't return "IR only" status for exported symbols or -r links.
11987
11988         * testsuite/Makefile.am (plugin_test_3): New test case.
11989         * testsuite/Makefile.in: Regenerate.
11990         * testsuite/plugin_test_3.sh: New file.
11991
11992 2008-12-22  Cary Coutant  <ccoutant@google.com>
11993
11994         * object.cc (Sized_relobj::layout_section): New function.
11995         (Sized_relobj::do_layout): Defer layout of input sections until after
11996         plugin has provided replacement files.
11997         (Sized_relobj::do_layout_deferred_sections): New function.
11998         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11999         (Relobj::layout_deferred_sections): New function.
12000         (Relobj::do_layout_deferred_sections): New function.
12001         (Sized_relobj::do_layout_deferred_sections): New function.
12002         (Sized_relobj::layout_section): New function.
12003         (Sized_relobj::Deferred_layout): New structure.
12004         (Sized_relobj::deferred_layout_): New field.
12005         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12006         Change all callers.  Layout deferred sections.
12007         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12008         references.
12009         (Plugin_hook::run): Move code from do_plugin_hook inline.
12010         (Plugin_hook::do_plugin_hook): Remove.
12011         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12012         (Plugin_manager::finish): Renamed, was cleanup.
12013         (Plugin_manager::should_defer_layout): New function.
12014         (Plugin_manager::add_deferred_layout_object): New function.
12015         (Plugin_manager::Deferred_layout_list): New type.
12016         (Plugin_manager::deferred_layout_objects_): New field.
12017         (Plugin_hook::do_plugin_hook): Remove.
12018
12019 2008-12-17  Ian Lance Taylor  <iant@google.com>
12020
12021         * options.h (class General_options): Add --no case for
12022         --export-dynamic.
12023
12024 2008-12-16  Cary Coutant  <ccoutant@google.com>
12025
12026         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12027         vector.
12028         (Plugin_manager::claim_file): Create plugin object even if
12029         plugin did not call the add_symbols callback.
12030         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12031         asking for more symbols than were added.
12032         * testsuite/Makefile.am (plugin_test_1): Add test case with
12033         no global symbols.
12034         (empty.syms): New target.
12035         * testsuite/Makefile.in: Regenerate.
12036         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12037         message. Don't call add_symbols if no globals.
12038         (all_symbols_read_hook): Don't provide replacement for empty
12039         claimed file.
12040
12041 2008-12-12  Ian Lance Taylor  <iant@google.com>
12042
12043         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12044         r_type == 0 for a local symbol with r_sym == 0.
12045         (scan_relocatable_relocs): Pass r_sym to
12046         local_non_section_strategy.
12047         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12048         r_sym parameter.
12049
12050         * configure.ac: Update test for TLS descriptors: they are
12051         supported as of glibc 2.9.
12052         * configure: Rebuild.
12053
12054 2008-12-11  Ian Lance Taylor  <iant@google.com>
12055
12056         PR 7091
12057         * target-reloc.h (Default_scan_relocatable_relocs): For each
12058         function, map r_type == 0 to RELOC_DISCARD.
12059
12060 2008-12-10  Cary Coutant  <ccoutant@google.com>
12061
12062         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12063         object to override a kept COMDAT group from a plugin object.
12064
12065 2008-12-09  Ian Lance Taylor  <iant@google.com>
12066
12067         PR 7088
12068         * yyscript.y (file_cmd): Handle INPUT.
12069
12070         * testsuite/initpri1.c: Change all declarations to be full
12071         prototypes by adding void, to avoid compiler warnings.
12072
12073 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12074
12075         * options.cc (General_options::parse_plugin_opt): New.
12076         (General_options::add_plugin): The argument now is just the filename.
12077         (General_options::add_plugin_option): New.
12078         * options.h (plugin_opt): New.
12079         (add_plugin): Change argument name.
12080         (add_plugin_option): New.
12081         * plugin.cc (Plugin::load): Don't parse the plugin option.
12082         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12083         (Plugin::add_option): New.
12084         (Plugin::args_): Change type.
12085         (Plugin::filename_): New.
12086         (Plugin_manager::add_plugin_option): New.
12087         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12088         * testsuite/Makefile.in: Regenerate.
12089
12090 2008-12-05  Cary Coutant  <ccoutant@google.com>
12091
12092         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12093         Handle --strip-lto-sections option.
12094         * options.h (strip_lto_sections): New option.
12095
12096 2008-12-01  Cary Coutant  <ccoutant@google.com>
12097
12098         * plugin.cc (ld_plugin_message): Change format parameter to const.
12099         Fix mismatch between new[] and delete.
12100
12101 2008-11-14  Cary Coutant  <ccoutant@google.com>
12102
12103         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12104         instead of -1U.
12105
12106 2008-11-05  Craig Silverstein  <csilvers@google.com>
12107
12108         * options.cc (General_options::parse_dynamic_list): New function.
12109         * options.h (General_options): New flags dynamic_list,
12110         dynamic_list_data, dynamic_list_cpp_new, and
12111         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12112         (General_options::in_dynamic_list): New function.
12113         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12114         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12115         (Lex::can_continue_name): Likewise.
12116         (yylex): Likewise.
12117         (read_script_file): New parameter script_options.
12118         (read_dynamic_list): New function.
12119         (Script_options::define_dynamic_list): New function.
12120         (dynamic_list_keyword_parsecodes): New variable.
12121         (dynamic_list_keywords): New variable.
12122         * script.h (Script_options::define_dynamic_list): New function
12123         prototype.
12124         (read_dynamic_list): New function prototype.
12125         * symtab.cc (strprefix): New macro.
12126         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12127         dynamic_list_data, dynamic_list_cpp_new, and
12128         dynamic_list_cpp_typeinfo.
12129         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12130         (dynamic_list_expr): New rule.
12131         (dynamic_list_nodes): Likewise.
12132         (dynamic_list_node): Likewise.
12133         * testsuite/Makefile.am (dynamic_list): New test.
12134         * testsuite/Makefile.in: Regenerated.
12135         * testsuite/dynamic_list.t: New file.
12136         * testsuite/dynamic_list.sh: New file.
12137
12138 2008-11-05  Craig Silverstein  <csilvers@google.com>
12139
12140         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12141         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12142         (t11_last): Likewise.
12143         * testsuite/ver_test_6.c (main): Likewise.
12144
12145 2008-10-07  Cary Coutant  <ccoutant@google.com>
12146
12147         * options.c (General_options::finalize): Add check for -static and
12148         -shared.
12149         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12150         is not empty.
12151
12152 2008-10-02  Cary Coutant  <ccoutant@google.com>
12153
12154         * plugin.cc (make_sized_plugin_object): Fix conditional
12155         compilation to work when not all targets are enabled.
12156
12157 2008-09-29  Cary Coutant  <ccoutant@google.com>
12158
12159         * archive.cc (Archive::get_file_and_offset): Use filename instead
12160         of name to get library path.
12161         (Archive::include_member): Unlock external member of a thin archive.
12162
12163         * testsuite/Makefile.am (TEST_AR): New variable.
12164         (thin_archive_test_1): New test.
12165         (thin_archive_test_2): New test.
12166         * testsuite/Makefile.in: Regenerate.
12167         * testsuite/thin_archive_main.cc: New file.
12168         * testsuite/thin_archive_test_1.cc: New file.
12169         * testsuite/thin_archive_test_2.cc: New file.
12170         * testsuite/thin_archive_test_3.cc: New file.
12171         * testsuite/thin_archive_test_4.cc: New file.
12172
12173 2008-09-29  Cary Coutant  <ccoutant@google.com>
12174
12175         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12176         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12177         instead of -1U.
12178         (Sized_relobj::do_finalize_local_symbols): Likewise.
12179         (Sized_relobj::map_to_kept_section): Likewise.
12180         * object.h (Sized_relobj::invalid_address): New constant.
12181         (Sized_relobj::do_output_section_offset): Check for invalid_address
12182         and return -1ULL.
12183         * output.cc (Output_reloc::local_section_offset): Use constant
12184         invalid_address instead of -1U.
12185         (Output_reloc::get_address): Likewise.
12186         (Output_section::output_address): Change -1U to -1ULL.
12187         * output.h (Output_reloc::invalid_address): New constant.
12188         * reloc.cc (Sized_relobj::write_sections): Use constant
12189         invalid_address instead of -1U.
12190         (Sized_relobj::relocate_sections): Likewise.
12191         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12192         values for merge sections.
12193         * target-reloc.h (relocate_for_relocatable): Use constant
12194         invalid_address instead of -1U.
12195
12196 2008-09-19  Cary Coutant  <ccoutant@google.com>
12197
12198         Add plugin functionality for link-time optimization (LTO).
12199         * configure.ac (plugins): Add --enable-plugins option.
12200         * configure: Regenerate.
12201         * config.in: Regenerate.
12202         * Makefile.am (LIBDL): New variable.
12203         (CCFILES): Add plugin.cc.
12204         (HFILES): Add plugin.h.
12205         (ldadd_var): Add LIBDL.
12206         * Makefile.in: Regenerate.
12207
12208         * archive.cc: Include "plugin.h".
12209         (Archive::setup): Don't preread archive symbols when using a plugin.
12210         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12211         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12212         files.
12213         (Archive::include_member): Add symbols from plugin objects.
12214         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12215         * descriptors.cc (Descriptors::open): Check for file descriptors
12216         abandoned by plugins.
12217         (Descriptors::claim_for_plugin): New function.
12218         * descriptors.h (Descriptors::claim_for_plugin): New function.
12219         (Open_descriptor::is_claimed): New field.
12220         (claim_descriptor_for_plugin): New function.
12221         * fileread.cc (File_read::claim_for_plugin): New function.
12222         * fileread.h (File_read::claim_for_plugin): New function.
12223         (File_read::descriptor): New function.
12224         * gold.cc: Include "plugin.h".
12225         (queue_initial_tasks): Add task to call plugin hooks for generating
12226         new object files.
12227         * main.cc: Include "plugin.h".
12228         (main): Load plugin libraries.
12229         * object.h (Pluginobj): Declare.
12230         (Object::pluginobj): New function.
12231         (Object::do_pluginobj): New function.
12232         (Object::set_target): New function.
12233         * options.cc: Include "plugin.h".
12234         (General_options::parse_plugin): New function.
12235         (General_options::General_options): Initialize plugins_ field.
12236         (General_options::add_plugin): New function.
12237         * options.h (Plugin_manager): Declare.
12238         (General_options): Add --plugin option.
12239         (General_options::has_plugins): New function.
12240         (General_options::plugins): New function.
12241         (General_options::add_plugin): New function.
12242         (General_options::plugins_): New field.
12243         * plugin.cc: New file.
12244         * plugin.h: New file.
12245         * readsyms.cc: Include "plugin.h".
12246         (Read_symbols::do_read_symbols): Check for archive before checking
12247         for ELF file.  Call plugin hooks to claim files.
12248         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12249         from a real object file; force override when processing replacement
12250         files.
12251         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12252         (Symbol::init_base_object): Likewise.
12253         (Symbol::init_base_output_data): Likewise.
12254         (Symbol::init_base_output_segment): Likewise.
12255         (Symbol::init_base_constant): Likewise.
12256         (Symbol::init_base_undefined): Likewise.
12257         (Symbol::output_section): Assert that object is not a plugin.
12258         (Symbol_table::add_from_pluginobj): New function.
12259         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12260         undefined.
12261         (Symbol_table::sized_write_globals): Likewise.
12262         (Symbol_table::add_from_pluginobj): Instantiate template.
12263         * symtab.h (Sized_pluginobj): Declare.
12264         (Symbol::in_real_elf): New function.
12265         (Symbol::set_in_real_elf): New function.
12266         (Symbol::in_real_elf_): New field.
12267         (Symbol_table::add_from_pluginobj): New function.
12268
12269         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12270         (LIBDL): New variable.
12271         (LDADD): Add LIBDL.
12272         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12273         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12274         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12275         (MOSTLYCLEANFILES): Likewise.
12276         * testsuite/Makefile.in: Regenerate.
12277         * testsuite/plugin_test.c: New file.
12278         * testsuite/plugin_test_1.sh: New file.
12279         * testsuite/plugin_test_2.sh: New file.
12280
12281 2008-09-16  Ian Lance Taylor  <iant@google.com>
12282
12283         * target-reloc.h (relocate_section): Check whether a symbol is
12284         defined by the ABI before reporting an undefined symbol error.
12285         * target.h (Target::is_defined_by_abi): Make parameter const.
12286         (Target::do_is_defined_by_abi): Likewise.
12287         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12288         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12289         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12290         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12291         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12292         * testsuite/Makefile.in: Rebuild.
12293
12294         * fileread.cc (make_view): Add casts to avoid warning.
12295
12296 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12297
12298         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12299         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12300
12301 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12302
12303         * options.h (General_options::output_is_executable): New.
12304         (General_options::output_is_pie): New.
12305         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12306         for shared libraries.
12307         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12308
12309 2008-09-11  Chris Demetriou  <cgd@google.com>
12310
12311         * options.h (origin): New -z option.
12312         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12313         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12314         in DT_FLAGS_1.
12315
12316 2008-09-05  Cary Coutant  <ccoutant@google.com>
12317
12318         * fileread.cc (File_read::make_view): Add check for attempt to map
12319         beyond end of file.
12320
12321 2008-09-05  Cary Coutant  <ccoutant@google.com>
12322
12323         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12324         explicit instantiations.
12325
12326 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12327
12328         PR gold/6858
12329         * options.cc (General_options::finalize): Allow undefined symbols
12330         in shlibs if linking -shared.
12331
12332         PR gold/6859
12333         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12334         symbols as not needing a dynsym entry.
12335
12336 2008-08-20  Craig Silverstein  <csilvers@google.com>
12337
12338         * fileread.cc (File_read::open): Do not lock the file unless it
12339         was successfully opened.
12340
12341 2008-08-14  Cary Coutant  <ccoutant@google.com>
12342
12343         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12344         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12345         * testsuite/tls_test.cc (struct int128): 128-bit struct
12346         for testing TLS relocs with non-zero addend.
12347         (v12): New TLS variable.
12348         (t12): New test.
12349         (t_last): Add check for v12.
12350         * testsuite/tls_test.h (t12): New function.
12351         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12352
12353 2008-08-13  Ian Lance Taylor  <iant@google.com>
12354
12355         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12356         set tls_segment_ or relro_segment_.
12357         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12358         when appropriate.
12359         * output.h (Output_section::clear_is_relro): New function.
12360         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12361         sections specially even when output_data_ is empty.
12362         (Output_segment::maximum_alignment): When first section is relro,
12363         only force alignment for PT_LOAD segments.
12364         * script.cc (script_data_segment_align): New function.
12365         (script_data_segment_relro_end): New function.
12366         * script-c.h (script_data_segment_align): Declare.
12367         (script_data_segment_relro_end): Declare.
12368         * script-sections.h (class Script_sections): Declare
12369         data_segment_align and data_segment_relro_end.  Add fields
12370         segment_align_index_ and saw_relro_end_.
12371         * script-sections.cc (class Sections_element): Add set_is_relro
12372         virtual function.  Add new bool* parameter to place_orphan_here.
12373         Add get_output_section virtual function.
12374         (class Output_section_definition): Add set_is_relro.  Add new
12375         bool* parameter to place_orphan_here.  Add get_output_section.
12376         Add is_relro_ field.
12377         (Output_section_definition::Output_section_definition): Initialize
12378         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12379         and is_relro_ fields.
12380         (Output_section_definition::place_orphan_here): Add is_relro
12381         parameter.
12382         (Output_section_definition::set_section_addresses): Set relro for
12383         output section.
12384         (Output_section_definition::alternate_constraint): Likewise.
12385         (class Orphan_output_section): Add new bool* parameter to
12386         place_orphan_here.  Add get_output_section.
12387         (Orphan_output_section::place_orphan_here): Add is_relro
12388         parameter.
12389         (Script_sections::Script_sections): Initialize
12390         data_segment_align_index_ and saw_relro_end_.
12391         (Script_sections::data_segment_align): New function.
12392         (Script_sections::data_segment_relro_end): New function.
12393         (Script_sections::place_orphan): Set or clear is_relro.
12394         (Script_sections::set_section_addresses): Force alignment of first
12395         TLS section.
12396         * yyscript.y (exp): Call script_data_segment_align and
12397         script_data_segment_relro_end.
12398         * testsuite/relro_script_test.t: New file.
12399         * testsuite/relro_test.cc (using_script): Declare.
12400         (t1, t2): Test using_script.
12401         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12402         (relro_script_test_SOURCES): Define.
12403         (relro_script_test_DEPENDENCIES): Define.
12404         (relro_script_test_LDFLAGS): Define.
12405         (relro_script_test_LDADD): Define.
12406         (relro_script_test.so): New target.
12407         * testsuite/Makefile.in: Rebuild.
12408
12409 2008-08-06  Cary Coutant <ccoutant@google.com>
12410
12411         * archive.cc (Archive::total_archives, Archive::total_members)
12412         (Archive::total_members_loaded): New variables.
12413         (Archive::setup): Add parameter.  Add option to preread
12414         archive symbols.
12415         (Archive::read_armap): Add counter.
12416         (Archive::get_file_and_offset): New function.
12417         (Archive::get_elf_object_for_member): New function.
12418         (Archive::read_all_symbols): New function.
12419         (Archive::read_symbols): New function.
12420         (Archive::add_symbols): Add counters.
12421         (Archive::include_all_members): Use armap to find members if it's
12422         already built.
12423         (Archive::include_member): Skip reading symbols if already read.
12424         Factored code into Archive::get_file_and_offset and
12425         Archive::get_elf_object_for_member.  Changed call to
12426         Mapfile::report_include_archive_member.
12427         (Archive::print_stats): New function.
12428         * archive.h: Declare Object and Read_symbols_data classes.
12429         (Archive::Archive): Add initializers for new members.
12430         (Archive::setup): Add parameter.
12431         (Archive::print_stats): New function.
12432         (Archive::total_archives, Archive::total_members)
12433         (Archive::total_members_loaded): New variables.
12434         (Archive::get_file_and_offset): New function.
12435         (Archive::get_elf_object_for_member): New function.
12436         (Archive::read_all_symbols): New function.
12437         (Archive::read_symbols): New function.
12438         (Archive::Archive_member): New class.
12439         (Archive::members_): New member.
12440         (Archive::num_members_): New member.
12441         * main.cc: Include archive.h.
12442         (main): Call Archive::print_stats.
12443         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12444         archive parameter; member_name is now the fully-decorated name.
12445         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12446         * options.h: (General_options): Add --preread-archive-symbols option.
12447         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12448         Archive::setup.
12449
12450 2008-08-04  Ian Lance Taylor  <iant@google.com>
12451
12452         * symtab.h (Symbol::use_plt_offset): New function.
12453         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12454         * powerpc.cc (Relocate::relocate): Likewise.
12455         * sparc.cc (Relocate::relocate): Likewise.
12456         * x86_64.cc (Relocate::relocate): Likewise.
12457         * testsuite/weak_plt.sh: New test.
12458         * testsuite/weak_plt_main.cc: New test.
12459         * testsuite/weak_plt_shared.cc: New test.
12460         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12461         (check_PROGRAMS): Add weak_plt.
12462         (check_DATA): Add weak_plt_shared.so.
12463         (weak_plt_main_pic.o, weak_plt): New targets.
12464         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12465         * testsuite/Makefile.in: Rebuild.
12466
12467         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12468         gcctestdir/ld.
12469         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12470         * testsuite/Makefile.in: Rebuild.
12471
12472 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12473
12474         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12475         * Makefile.in: Regenerate.
12476         * po/POTFILES.in: Regenerate.
12477
12478 2008-07-29  Ian Lance Taylor  <iant@google.com>
12479
12480         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12481         symbols before other symbols.
12482         * testsuite/script_test_2.cc (test_addr): Declare.
12483         (test_addr_alias): Declare.
12484         (main): Check that test_addr and test_addr_alias have the right
12485         values.
12486         * testsuite/script_test_2.t: Define test_addr_alias and
12487         test_addr.
12488
12489 2008-07-24  Ian Lance Taylor  <iant@google.com>
12490
12491         PR 5990
12492         * descriptors.cc: New file.
12493         * descriptors.h: New file.
12494         * gold-threads.h (class Hold_optional_lock): New class.
12495         * fileread.cc: Include "descriptors.h".
12496         (File_read::~File_read): Release descriptor rather than closing
12497         it.
12498         (File_read::open) [file]: Call open_descriptor rather than open.
12499         Set is_descriptor_opened_.
12500         (File_read::open) [memory]: Assert that descriptor is not open.
12501         (File_read::reopen_descriptor): New function.
12502         (File_read::release): Release descriptor.
12503         (File_read::do_read): Make non-const.  Reopen descriptor.
12504         (File_read::read): Make non-const.
12505         (File_read::make_view): Reopen descriptor.
12506         (File_read::do_readv): Likewise.
12507         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12508         Update declarations.
12509         * layout.cc: Include "descriptors.h".
12510         (Layout::create_build_id): Use open_descriptor rather than open.
12511         * output.cc: Include "descriptors.h".
12512         (Output_file::open): Use open_descriptor rather than open.
12513         * archive.cc (Archive::const_iterator): Change Archive to be
12514         non-const.
12515         (Archive::begin, Archive::end): Make non-const.
12516         (Archive::count_members): Likewise.
12517         * archive.h (class Archive): Update declarations.
12518         * object.h (Object::read): Make non-const.
12519         * Makefile.am (CCFILES): Add descriptors.cc.
12520         (HFILES): Add descriptors.h.
12521         * Makefile.in: Rebuild.
12522
12523         PR 6716
12524         * gold.h: Always include <clocale>.  Add Solaris workarounds
12525         following code in binutils/sysdep.h.
12526
12527         PR 6048
12528         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12529         this->eh_frame_hdr_ is NULL before using it.
12530
12531         * dynobj.cc (Versions::Versions): Update comment.
12532
12533         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12534         the base version name.
12535
12536         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12537         array size plus one.
12538         (Stringpool_template::set_string_offsets): Subtract one from key
12539         before using it as an array index.
12540         (Stringpool_template::get_offset_with_length): Likewise.
12541         (Stringpool_template::write_to_buffer): Likewise.
12542         * stringpool.h (Stringpool_template::get_offset_from_key):
12543         Likewise.
12544
12545 2008-07-23  Ian Lance Taylor  <iant@google.com>
12546
12547         PR 6658
12548         * object.h (Merged_symbol_value::value): Do our best to handle a
12549         negative addend.
12550
12551         PR 6647
12552         * script.cc (Version_script_info::get_versions): Don't add empty
12553         version tag to return value.
12554         (Version_script_info::get_symbol_version_helper): Change return
12555         type to bool.  Add pversion parameter.  Change all callers.
12556         (script_register_vers_node): Don't require a non-NULL tag.
12557         * script.h (class Version_script_info): Update declarations.
12558         (Version_script_info::get_symbol_version): Change return type to
12559         bool.  Add version parameter.  Change all callers.
12560         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12561         handling.  Handle an empty version from a version script.
12562         (Symbol_table::define_special_symbol): Likewise.
12563         * testsuite/ver_test_10.script: New file.
12564         * testsuite/ver_test_10.sh: New file.
12565         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12566         (check_DATA): Add ver_test_10.syms.
12567         (ver_test_10.syms, ver_test_10.so): New target.
12568         * testsuite/Makefile.in: Rebuild.
12569
12570 2008-07-23  Simon Baldwin  <simonb@google.com>
12571
12572         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12573         to zero for undefined symbols from dynamic libraries.
12574
12575 2008-07-23  Ian Lance Taylor  <iant@google.com>
12576
12577         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12578         Change all callers.
12579         * symtab.h (class Symbol_table): Update declaration.
12580         * testsuite/ver_test_9.cc: New file.
12581         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12582         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12583         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12584         (ver_test_9.so, ver_test_9.o): New targets.
12585         * testsuite/Makefile.in: Rebuild.
12586
12587 2008-07-22  Ian Lance Taylor  <iant@google.com>
12588
12589         * options.h (class General_options): Define --check-sections.
12590         * layout.cc (Layout::set_segment_offsets): Handle
12591         --check-sections.
12592
12593         * options.h (class General_options): Define -n/--nmagic and
12594         -N/--omagic.
12595         * options.cc (General_options::finalize): For -n/--nmagic or
12596         -N/--omagic, set -static.
12597         * layout.cc (Layout::attach_allocated_section_to_segment): If
12598         -N/--omagic, don't put read-only and read-write sections in
12599         different segments.
12600         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12601         finding a read-only segment.
12602         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12603         don't set the minimum segment alignment to the common page size,
12604         and don't set the file offset to the address modulo the page size.
12605         * script-sections.cc (Script_sections::create_segments): If
12606         -n/--omagic, don't put read-only and read-write sections in
12607         different segments.
12608
12609         * cref.cc: New file.
12610         * cref.h: New file.
12611         * options.h (class General_options): Add --print-symbol-counts.
12612         * main.cc (main): Issue defined symbol report if requested.
12613         * archive.cc (Archive::interpret_header): Make into a const member
12614         function.
12615         (Archive::add_symbols): Call Input_objects::archive_start and
12616         archive_stop.
12617         (Archive::const_iterator): Define new class.
12618         (Archive::begin, Archive::end): New functions.
12619         (Archive::include_all_members): Rewrite to use iterator.
12620         (Archive::count_members): New function.
12621         * archive.h (class Archive): Update declarations.
12622         (Archive::filename): New function.
12623         * object.cc: Include "cref.h".
12624         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12625         (Sized_relobj::do_get_global_symbol_counts): New function.
12626         (Input_objects::add_object): Add object to cross-referencer.
12627         (Input_objects::archive_start): New function.
12628         (Input_objects::archive_stop): New function.
12629         (Input_objects::print_symbol_counts): New function.
12630         * object.h: Declare Cref and Archive.
12631         (Object::get_global_symbol_counts): New function.
12632         (Object::do_get_global_symbol_counts): New pure virtual function.
12633         (class Sized_relobj): Add defined_count_ field.  Update
12634         declarations.
12635         (class Input_objects): Add cref_ field.  Update constructor.
12636         Update declarations.
12637         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12638         defined_count_.
12639         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12640         symbol counts.
12641         (Sized_dynobj::do_get_global_symbol_counts): New function.
12642         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12643         defined_count_.  Update declarations.  Define Symbols typedef.
12644         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12645         parameter.  Change all callers.
12646         (Symbol_table::add_from_dynobj): Add sympointers and defined
12647         parameters.  Change all callers.
12648         * symtab.h (class Symbol_table): Update declarations.
12649         * Makefile.am (CCFILES): Add cref.cc.
12650         (HFILES): Add cref.h.
12651         * Makefile.in: Rebuild.
12652
12653 2008-07-22  Simon Baldwin  <simonb@google.com>
12654
12655         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12656         to zero when writing undefined symbols.
12657
12658 2008-07-22  Ian Lance Taylor  <iant@google.com>
12659
12660         * output.cc (Output_section::add_input_section): Don't try to
12661         merge empty merge sections.
12662
12663 2008-07-21  Craig Silverstein  <csilvers@google.com>
12664
12665         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12666         Include symbol version in error message.
12667
12668 2008-07-20  Chris Demetriou  <cgd@google.com>
12669
12670         * configure.ac (gold_cv_c_random_seed): New configured variable.
12671         (RANDOM_SEED_CFLAGS): New substituted variable.
12672         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12673         * configure: Rebuild.
12674         * Makefile.in: Likewise.
12675         * testsuite/Makefile.in: Likewise.
12676
12677 2008-07-18  Ian Lance Taylor  <iant@google.com>
12678
12679         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12680         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12681         * testsuite/ver_test_main.cc (main): Call t4.
12682         (t4, t4_2a): Define.
12683         * testsuite/ver_test_2.cc (t4_2): Define.
12684         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12685         * testsuite/ver_test_4.cc (t4_2a): Define.
12686         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12687         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12688
12689 2008-07-17  Ian Lance Taylor  <iant@google.com>
12690
12691         * dynobj.cc (Versions::add_def): If we give an error about a
12692         missing version, go ahead and create the version anyhow.
12693
12694 2008-07-10  Ian Lance Taylor  <iant@google.com>
12695
12696         Handle output sections with more than 0x7fffffff bytes.
12697         * object.h (class Relobj): Change map_to_output_ to
12698         output_sections_, and just keep a section pointer.  Change all
12699         uses.  Move comdat group support to Sized_relobj.
12700         (Relobj::is_section_specially_mapped): Remove.
12701         (Relobj::output_section): Remove poff parameter.  Change all
12702         callers.
12703         (Relobj::output_section_offset): New function.
12704         (Relobj::set_section_offset): Rewrite.
12705         (Relobj::map_to_output): Remove.
12706         (Relobj::output_sections): New function.
12707         (Relobj::do_output_section_offset): New pure virtual function.
12708         (Relobj::do_set_section_offset): Likewise.
12709         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12710         group support from Relobj.  Update declarations.
12711         (Sized_relobj::get_output_section_offset): New function.
12712         (Sized_relobj::do_output_section_offset): New function.
12713         (Sized_relobj::do_set_section_offset): New function.
12714         * object.cc (Relobj::output_section_address): Remove.
12715         (Sized_relobj::Sized_relobj): Initialize new fields.
12716         (Sized_relobj::include_section_group): Cast find_kept_object to
12717         Sized_relobj.
12718         (Sized_relobj::include_linkonce_section): Likewise.
12719         (Sized_relobj::do_layout): Use separate arrays for output section
12720         and output offset.
12721         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12722         output_sections.
12723         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12724         output_sections and section_offsets.
12725         (Sized_relobj::write_local_symbols): Likewise.
12726         (map_to_kept_section): Compute output address directly.
12727         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12728         output_sections and section_offsets.
12729         (Sized_relobj::write_sections): Likewise.
12730         (Sized_relobj::relocate_sections): Likewise.
12731         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12732         * output.h (class Output_reloc): Update declarations.  Change
12733         u2_.relobj to Sized_relobj*.
12734         (class Output_data_reloc): Change add functions to use
12735         Sized_relobj*.
12736         * output.cc (Output_reloc::Output_reloc): Change relobj to
12737         Sized_relobj*.
12738         (Output_reloc::local_section_offset): Change return type to
12739         Elf_Addr.  Use get_output_section_offset.
12740         (Output_reloc::get_address): Likewise.
12741         (Output_section::is_input_address_mapped): Don't call
12742         is_section_specially_mapped.
12743         (Output_section::output_offset): Likewise.
12744         (Output_section::output_address): Likewise.
12745         (Output_section::starting_output_address): Likewise.
12746         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12747         parameter to Sized_relobj*.
12748         (Copy_relocs::need_copy_reloc): Likewise.
12749         (Copy_relocs::save): Likewise.
12750         * copy-relocs.h (class Copy_relocs): Update declarations.
12751         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12752         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12753         * target-reloc.h (relocate_for_relocatable): Change
12754         offset_in_output_section type to Elf_Addr.  Change code that uses
12755         it as well.
12756         * layout.cc (Layout::layout): Always set *off.
12757         * mapfile.cc (Mapfile::print_input_section): Use
12758         output_section_offset.
12759         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12760         Sized_relobj*.
12761         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12762         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12763         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12764
12765 2008-07-03  Ian Lance Taylor  <iant@google.com>
12766
12767         * layout.cc (Layout::include_section): Do not discard unrecognized
12768         SHT_STRTAB sections.
12769
12770 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12771
12772         * script.cc (Lex::can_continue_name): Make '?' allowable in
12773         version-script names.
12774         * testsuite/version_script.map: Change glob pattern to use '?'
12775
12776 2008-06-30  Manish Singh  <yosh@gimp.org>
12777
12778         PR 6585
12779         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12780         Correct typo.
12781
12782 2008-06-30  Ian Lance Taylor  <iant@google.com>
12783
12784         PR 6660
12785         PR 6682
12786         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12787         versions]: Don't try to read the value in the contents, since we
12788         don't use it.  Use the template endianness when writing.
12789
12790 2008-06-25  Cary Coutant  <ccoutant@google.com>
12791
12792         * fileread.cc (File_read::make_view): Assert on zero-length view.
12793         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12794         symbol table when there are no symbols to read.
12795
12796 2008-06-23  Craig Silverstein  <csilvers@google.com>
12797
12798         * version.cc (version_string): Bump to 1.7
12799
12800 2008-06-18  Craig Silverstein  <csilvers@google.com>
12801
12802         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12803         constant 0xFFFF to type Valtype.
12804         (Powerpc_relocate_functions::rel16_ha): Likewise.
12805
12806 2008-06-17  Ian Lance Taylor  <iant@google.com>
12807
12808         * output.h (Output_section::Input_section): Initialize p2align_ to
12809         zero for Output_section_data constructors.
12810         (Output_section::Input_section::addralign): If not an input
12811         section, return the alignment of the Output_section_data.
12812         * testsuite/copy_test.cc: New file.
12813         * testsuite/copy_test_1.cc: New file.
12814         * testsuite/copy_test_2.cc: New file.
12815         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12816         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12817         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12818         (copy_test_1_pic.o, copy_test_1.so): New targets.
12819         (copy_test_2_pic.o, copy_test_2.so): New targets.
12820         * testsuite/Makefile.in: Rebuild.
12821
12822         * script-sections.cc (Script_sections::place_orphan): Initialize
12823         local variable exact.
12824
12825 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12826
12827         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12828
12829 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12830             David S. Miller  <davem@davemloft.net>
12831
12832         * powerpc.cc: New file.
12833         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12834         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12835         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12836         * Makefile.in: Rebuild.
12837
12838 2008-06-09  Ian Lance Taylor  <iant@google.com>
12839
12840         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12841         <exception>.
12842         (throwing, orig_terminate): New static variables.
12843         (terminate_handler): New static function.
12844         (t2): Set terminate handler.
12845
12846 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12847
12848         PR 6584
12849         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12850         alignment.
12851
12852 2008-05-30  Cary Coutant  <ccoutant@google.com>
12853
12854         * archive.cc (Archive::include_all_members) Correct to step
12855         over symbol table and extended name table in thin archives.
12856
12857 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12858
12859         PR 6407
12860         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12861         calculation.
12862
12863 2008-05-28  Caleb Howe  <cshowe@google.com>
12864
12865         * reduced_debug_output.cc: New file.
12866         * reduced_debug_output.h: New file.
12867         * options.h (class General_options): Add --strip-debug-non-line.
12868         * options.cc (General_options::finalize): Add strip_debug_non_line
12869         to the strip heirarchy.
12870         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12871         fields.
12872         * layout.cc: Include "reduced_debug_output.h".
12873         (Layout::Layout): Initialize new fields.
12874         (line_only_debug_sections): New static array.
12875         (is_lines_only_debug_sections): New static inline function.
12876         (Layout::include_section): Handle --strip-debug-non-line.
12877         (Layout::make_output_section): If --strip-debug-non-line, build
12878         new output sections for .debug_abbrev and .debug_info.
12879         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12880         gold.  Warn about possible overflow.
12881         (read_signed_LEB_128): Likewise.
12882         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12883         (read_signed_LEB_128): Declare.
12884         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12885         (HFILES): Add reduced_debug_output.h.
12886         * Makefile.in: Rebuild.
12887
12888 2008-05-21  Ian Lance Taylor  <iant@google.com>
12889
12890         * mapfile.cc: New file.
12891         * mapfile.h: New file.
12892         * options.h (class General_options): Add -M/--print-map and -Map.
12893         * options.cc (General_options::finalize): Make -M equivalent to
12894         -Map -.
12895         * main.cc: Include <cstdio> and "mapfile.h".
12896         (main): Open mapfile if requested.
12897         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12898         constructor.  Change caller.
12899         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12900         (queue_middle_tasks): Likewise.
12901         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12902         declarations.
12903         * archive.cc: Include "mapfile.h".
12904         (Archive::add_symbols): Add mapfile parameter.  Change all
12905         callers.  Pass mapfile, symbol, and reason to include_member.
12906         (Archive::include_all_members): Add mapfile parameter.  Change all
12907         callers.
12908         (Archive::include_member): Add mapfile, sym, and why parameters.
12909         Change all callers.  Report inclusion to map file.
12910         * archive.h: Include "fileread.h".
12911         (class Archive): Update declarations.
12912         (Archive::file): New const method.
12913         (class Add_archive_symbols): Add mapfile_ field.  Update
12914         constructor.  Change all callers.
12915         * readsyms.h (class Read_symbols): Likewise.
12916         (class Finish_group): Likewise.
12917         (class Read_script): Likewise.
12918         * common.cc: Include "mapfile.h".
12919         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12920         all callers.
12921         (Symbol_table::do_allocate_commons): Likewise.
12922         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12923         symbol allocation to mapfile.
12924         * common.h (class Allocate_commons_task): Add mapfile_ field.
12925         Update constructor.  Change all callers.
12926         * symtab.h (class Symbol_table): Update declarations.
12927         * layout.cc: Include "mapfile.h".
12928         (Layout_task_runner::run): Print information to mapfile.
12929         (Layout::create_gold_note): Change Output_data_fixed_space to
12930         Output_data_zero_fill.
12931         (Layout::create_build_id): Likewise.
12932         (Layout::print_to_mapfile): New function.
12933         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12934         constructor.  Change caller.
12935         (class Layout): Declare print_to_mapfile.
12936         * output.cc (Output_section::Input_section::print_to_mapfile): New
12937         function.
12938         (Output_section::add_input_section): If producing a map, always
12939         add to input_sections_ list.
12940         (Output_section::do_print_to_mapfile): New function.
12941         (Output_segment::print_sections_to_mapfile): New function.
12942         (Output_segment::print_section_list_to_mapfile): New function.
12943         * output.h: Include "mapfile.h".
12944         (Output_data::print_to_mapfile): New function.
12945         (Output_data::do_print_to_mapfile): New virtual function.
12946         (Output_segment_headers::do_print_to_mapfile): New function.
12947         (Output_file_header::do_print_to_mapfile): New function.
12948         (Output_data_const::do_print_to_mapfile): New function.
12949         (class Output_data_const_buffer): Add map_name_ field.  Update
12950         constructor.  Change all callers.  Add do_print_to_mapfile
12951         function.
12952         (class Output_data_fixed_space): Likewise.
12953         (class Output_data_space): Likewise.
12954         (class Output_data_zero_fill): New class.
12955         (Output_data_strtab::do_print_to_mapfile): New function.
12956         (Output_data_reloc_base::do_print_to_mapfile): New function.
12957         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12958         (Output_data_group::do_print_to_mapfile): New function.
12959         (Output_data_got::do_print_to_mapfile): New function.
12960         (Output_data_dynamic::do_print_to_mapfile): New function.
12961         (Output_symtab_xindex::do_print_to_mapfile): New function.
12962         (class Output_section): Declare do_print_to_mapflie.  Declare
12963         print_to_mapfile in Input_section.
12964         (class Output_segment): Declare new functions.
12965         * object.h (Sized_relobj::symbol_count): New function.
12966         * script-sections.cc
12967         (Output_section_element_dot_assignment::set_section_addresses):
12968         Change Output_data_fixed_space to Output_data_zero_fill.
12969         (Output_data_expression::do_print_to_mapfile): New function.
12970         * script.cc (read_input_script): Add mapfile parameter.  Change
12971         all callers.
12972         * script.h (read_input_script): Update declaration.
12973         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12974         (Eh_frame::do_print_to_mapfile): New function.
12975         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12976         (Output_merge_string::do_print_to_mapfile): New function.
12977         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12978         function.
12979         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12980         function.
12981         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12982         function.
12983         * Makefile.am (CCFILES): Add mapfile.cc.
12984         (HFILES): Add mapfile.h.
12985         * Makefile.in: Rebuild.
12986
12987 2008-05-19  Ian Lance Taylor  <iant@google.com>
12988
12989         * options.h (class General_options): Add -z relro.
12990         * layout.cc (Layout::Layout): Initialize relro_segment_.
12991         (Layout::add_output_section_data): Return the output section.
12992         (Layout::make_output_section): Rcognize relro sections and mark
12993         them appropriately.
12994         (Layout::attach_allocated_section_to_segment): Put relro sections
12995         in a PT_GNU_RELRO segment.
12996         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12997         section as relro.
12998         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12999         PT_TLS segments.
13000         (Layout::linkonce_mapping): Map d.rel.ro.local to
13001         .data.rel.ro.local.
13002         (Layout::output_section_name): Us .data.rel.ro.local for any
13003         section which begins with that.
13004         * layout.h (class Layout): Update add_output_section_data
13005         declaration.  Add relro_segment_ field.
13006         * output.cc (Output_section::Output_section): Initialize is_relro_
13007         and is_relro_local_ fields.
13008         (Output_segment::add_output_section): Group relro sections.
13009         (Output_segment::is_first_section_relro): New function.
13010         (Output_segment::maximum_alignment): If there is a relro section,
13011         align the segment to the common page size.
13012         (Output_segment::set_section_addresses): Track whether we are
13013         looking at relro sections.  If the last section is a relro
13014         section, align to the common page size.
13015         (Output_segment::set_section_list_addresses): Add in_relro
13016         parameter.  Change all callers.  Align to the page size when
13017         moving from relro to non-relro section.
13018         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13019         segment.
13020         * output.h (class Output_section): Add is_relro_ and
13021         is_relro_local_ fields.
13022         (Output_section::is_relro): New function.
13023         (Output_section::set_is_relro): New function.
13024         (Output_section::is_relro_local): New function.
13025         (Output_section::set_is_relro_local): New function.
13026         (class Output_segment): Update declarations.
13027         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13028         * sparc.cc (Target_sparc::got_section): Likewise.
13029         * x86_64.cc (Target_x86_64::got_section): Likewise.
13030         * testsuite/relro_test_main.cc: New file.
13031         * testsuite/relro_test.cc: New file.
13032         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13033         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13034         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13035         (relro_test.so, relro_test_pic.o): New targets.
13036         * testsuite/Makefile.in: Rebuild.
13037
13038 2008-05-16  Ian Lance Taylor  <iant@google.com>
13039
13040         * output.cc (Output_segment::add_output_section): Remove front
13041         parameter.
13042         * output.h (class Output_segment): Remove
13043         add_initial_output_section and overloaded add_output_section.
13044         Update declaration of remaining add_output_section.
13045         * layout.cc (Layout::create_interp): Call add_output_section
13046         rather than add_initial_output_section.
13047         (Layout::finish_dynamic_section): Likewise.
13048
13049         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13050         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13051         know the dynamic type.
13052         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13053         field.  Initialize it in constructor.
13054         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13055         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13056         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13057         reloc.
13058
13059         * output.cc (Output_reloc::get_address): Change return type to
13060         Elf_Addr.
13061         * output.h (class Output_reloc): Update get_address declaration.
13062         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13063         for section addresses.
13064
13065 2008-05-09  Ian Lance Taylor  <iant@google.com>
13066
13067         PR 6493
13068         * gold.cc (gold_nomem): Use return value of write.
13069
13070 2008-05-08  Ian Lance Taylor  <iant@google.com>
13071
13072         * symtab.c (Symbol::init_base_output_data): Add version
13073         parameter.  Change all callers.
13074         (Symbol::init_base_output_segment): Likewise.
13075         (Symbol::init_base_constant): Likewise.
13076         (Symbol::init_base_undefined): Likewise.
13077         (Sized_symbol::init_output_data): Likewise.
13078         (Sized_symbol::init_output_segment): Likewise.
13079         (Sized_symbol::init_constant): Likewise.
13080         (Sized_symbol::init_undefined): Likewise.
13081         (Symbol_table::do_define_in_output_data): If the new symbol has a
13082         version, mark it as the default.
13083         (Symbol_table::do_define_in_output_segment): Likewise.
13084         (Symbol_table::do_define_as_constant): Likewise.
13085         * symtab.h (class Symbol): Update declarations.
13086         (class Sized_symbol): Likewise.
13087         * resolve.cc (Symbol::override_version): New function.
13088         (Symbol::override_base): Call override_version.
13089         (Symbol::override_base_with_special): Likewise.
13090         * testsuite/ver_script_8.script: New file.
13091         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13092         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13093         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13094         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13095
13096 2008-05-06  Ian Lance Taylor  <iant@google.com>
13097
13098         PR 6049
13099         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13100         functions.
13101         (class General_options): Remove existing --undefined, and add
13102         --no-undefined instead.  Add new --undefined as synonym for -u.
13103         * archive.cc (Archive::add_symbols): Check whether symbol was
13104         named with -u.
13105         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13106         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13107         all uses.  Add IS_UNDEFINED.  Update declarations to split
13108         different versions of init_base.  Declare init_base_undefined.
13109         (Symbol::is_defined): Handle IS_UNDEFINED.
13110         (Symbol::is_undefined): Likewise.
13111         (Symbol::is_weak_undefined): Call is_undefined.
13112         (Symbol::is_absolute): Handle IS_CONSTANT.
13113         (class Sized_symbol): Update declarations to split different
13114         versions of init.  Declare init_undefined.
13115         (class Symbol_table): Declare new functions.
13116         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13117         Change all callers.
13118         (Symbol::init_base_output_data): Likewise.
13119         (Symbol::init_base_output_segment): Likewise.
13120         (Symbol::init_base_constant): Likewise.
13121         (Symbol::init_base_undefined): New function.
13122         (Sized_symbol::init_object): Rename from init.  Change all
13123         callers.
13124         (Sized_symbol::init_output_data): Likewise.
13125         (Sized_symbol::init_output_segment): Likewise.
13126         (Sized_symbol::init_constant): Likewise.
13127         (Sized_symbol::init_undefined): New function.
13128         (Symbol_table::add_undefined_symbols_from_command_line): New
13129         function.
13130         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13131         function.
13132         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13133         (Symbol::output_section): Likewise.
13134         (Symbol::set_output_section): Likewise.
13135         (Symbol_table::sized_finalize_symbol): Likewise.
13136         (Symbol_table::sized_write_globals): Likewise.
13137         * resolve.cc (Symbol_table::should_override): Likewise.
13138         (Symbol::override_base_with_special): Likewise.
13139
13140         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13141         symbol, change it to have default visibility.
13142         * testsuite/protected_1.cc: New file.
13143         * testsuite/protected_2.cc: New file.
13144         * testsuite/protected_3.cc: New file.
13145         * testsuite/protected_main_1.cc: New file.
13146         * testsuite/protected_main_2.cc: New file.
13147         * testsuite/protected_main_3.cc: New file.
13148         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13149         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13150         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13151         (protected_1.so): New target.
13152         (protected_1_pic.o, protected_2_pic.o): New targets.
13153         (protected_3_pic.o): New target.
13154         (check_PROGRAMS): Add protected_2.
13155         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13156         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13157         * testsuite/Makefile.in: Rebuild.
13158
13159         * options.h (DEFINE_var): Add set_user_set_##varname__.
13160         (DEFINE_bool_alias): New macro.
13161         (class General_options): Define -Bstatic using DEFINE_bool_alias
13162         rather than DEFINE_special.  Add --undefined as an alias for -z
13163         defs.
13164         * options.cc (General_options::parse_Bstatic): Remove.
13165
13166         * options.h (class General_options): Add --fatal-warnings.
13167         * main.cc (main): Implement --fatal-warnings.
13168         * errors.h (Errors::warning_count): New function.
13169
13170         * options.h (class General_options): Add -Bsymbolic-functions.
13171         * symtab.h (Symbol::is_preemptible): Check for
13172         -Bsymbolic-functions.
13173
13174 2008-05-05  Ian Lance Taylor  <iant@google.com>
13175
13176         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13177         as noVARNAME rather than no-VARNAME.
13178         (class General_options): Add option -z combreloc.
13179         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13180         get_address.
13181         (Output_reloc::sort_before) [SHT_REL]: New function.
13182         (Output_reloc::sort_before) [SHT_RELA]: New function.
13183         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13184         Sort_relocs_comparison.
13185         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13186         parameter.  Change all callers.
13187         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13188         sort_relocs parameter.  Change all callers.
13189         * output.cc (Output_reloc::get_address): New function, broken out
13190         of write_rel.
13191         (Output_reloc::write_rel): Call it.
13192         (Output_reloc::compare): New function.
13193         (Output_data_reloc_base::do_write): Optionally sort relocs.
13194
13195         * configure.ac: If targ_extra_obj is set, link it in.
13196         * configure.tgt: Initialize all variables.
13197         (x86_64*): Set targ_extra_obj and targ_extra_size.
13198         * configure: Rebuild.
13199
13200         * object.cc (Sized_relobj::include_section_group): Adjust section
13201         indexes read from group data.  Build vector to pass to
13202         layout_group.
13203         * layout.cc (Layout::layout_group): Add flags and shndxes
13204         parameters.  Remove contents parameter.  Change caller.  Update
13205         explicit instantiations.
13206         * layout.h (class Layout): Update layout_group declaration.
13207         * output.cc (Output_data_group::Output_data_group): Add flags and
13208         input_shndxes parameters.  Remove contents parameter.  Change
13209         caller.
13210         (Output_data_group::do_write): Change input_sections_ to
13211         input_shndxes_.
13212         * output.h (class Output_data_group): Update constructor
13213         declaration.  Rename input_sections_ to input_shndxes_.
13214         * testsuite/many_sections_test.cc: Add template.
13215
13216 2008-04-30  Cary Coutant  <ccoutant@google.com>
13217
13218         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13219
13220         * layout.cc (Layout::include_section): Refactored check for debug
13221         info section.
13222         (Layout::add_comdat): Add new parameters.  Change type
13223         of signature parameter.  Add object and shndx to signatures table.
13224         (Layout::find_kept_object): New function.
13225         * layout.h: Include <cstring>.
13226         (Layout::is_debug_info_section): New function.
13227         (Layout::add_comdat): Add new parameters.
13228         (Layout::find_kept_object): New function.
13229         (Layout::Kept_section): New struct.
13230         (Layout::Signatures): Change type of map range.
13231         * object.cc (Relobj::output_section_address): New function.
13232         (Sized_relobj::include_section_group): Add new parameters.  Change
13233         calls to Layout::add_comdat.  Change to build table of kept comdat
13234         groups and table mapping discarded sections to kept sections.
13235         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13236         (Sized_relobj::do_layout): Change calls to include_section_group and
13237         include_linkonce_section.
13238         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13239         value to zero when section is discarded.
13240         (Sized_relobj::map_to_kept_section): New function.
13241         * object.h (Relobj::output_section_address): New function.
13242         (Relobj::Comdat_group): New type.
13243         (Relobj::find_comdat_group): New function.
13244         (Relobj::Comdat_group_table): New type.
13245         (Relobj::Kept_comdat_section): New type.
13246         (Relobj::Kept_comdat_section_table): New type.
13247         (Relobj::add_comdat_group): New function.
13248         (Relobj::set_kept_comdat_section): New function.
13249         (Relobj::get_kept_comdat_section): New function.
13250         (Relobj::comdat_groups_): New field.
13251         (Relobj::kept_comdat_sections_): New field.
13252         (Symbol_value::input_value): Update comment.
13253         (Sized_relobj::map_to_kept_section) New function.
13254         (Sized_relobj::include_linkonce_section): Add new parameter.
13255         * target-reloc.h (Comdat_behavior): New type.
13256         (get_comdat_behavior): New function.
13257         (relocate_section): Add code to map a discarded section to the
13258         corresponding kept section when applying a relocation.
13259
13260 2008-04-30  Craig Silverstein  <csilvers@google.com>
13261
13262         * dwarf_reader.cc (next_generation_count): New static var.
13263         (Addr2line_cache_entry): New struct.
13264         (addr2line_cache): New static var.
13265         (Dwarf_line_info::one_addr2line): Added caching.
13266         (Dwarf_line_info::clear_addr2line_cache): New function.
13267         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13268         cache-size parameter.
13269         (Dwarf_line_info::one_addr2line_cache): New function.
13270         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13271         new cache-size argument to one_addr2line(), and clear cache.
13272
13273 2008-04-28  Cary Coutant  <ccoutant@google.com>
13274
13275         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13276         R_386_PC8 relocations.
13277
13278 2008-04-23  Ian Lance Taylor  <iant@google.com>
13279
13280         * object.cc (Sized_relobj::include_section_group): Check for
13281         invalid section group.
13282
13283         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13284         header size.
13285
13286         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13287         than read for file header.
13288         * archive.cc (Archive::include_member): Likewise.
13289
13290 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13291
13292         * aclocal.m4: Regenerate.
13293         * configure: Regenerate.
13294
13295 2008-04-19  Ian Lance Taylor  <iant@google.com>
13296
13297         * version.cc (version_string): Bump to 1.6.
13298
13299         * testsuite/Makefile.am (many_sections_r_test): New target.
13300         (many_sections_r_test_SOURCES): Remove.
13301         (many_sections_r_test_DEPENDENCIES): Remove.
13302         (many_sections_r_test_LDFLAGS): Remove.
13303         (many_sections_r_test_LDADD): Remove.
13304
13305         * object.cc (Sized_relobj::do_add_symbols): Always pass
13306         local_symbol_count_ to add_from_relobj.
13307
13308         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13309         every thousand variables.
13310         * testsuite/Makefile.in: Rebuild.
13311
13312         * object.cc (Xindex::initialize_symtab_xindex): New function.
13313         (Xindex::read_symtab_xindex): New function.
13314         (Xindex::sym_xindex_to_shndx): New function.
13315         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13316         available.
13317         (Sized_relobj::do_initialize_xindex): New function.
13318         (Sized_relobj::do_read_symbols): Adjust section links.
13319         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13320         parameter.  Change all callers.
13321         (Sized_relobj::include_section_group): Adjust section links and
13322         symbol section indexes.
13323         (Sized_relobj::do_layout): Adjust section links.
13324         (Sized_relobj::do_count_local_symbols): Adjust section links and
13325         symbol section indexes.
13326         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13327         ordinary and special symbols.
13328         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13329         dynsym_xindex parameters.  Change all callers.  Adjust section
13330         links.  Use SHN_XINDEX when needed.
13331         (Sized_relobj::get_symbol_location_info): Adjust section links.
13332         Don't get fooled by special symbols.
13333         * object.h (class Xindex): Define.
13334         (class Object): Add xindex_ parameter.  Declare virtual functoin
13335         do_initialize_xindex.
13336         (Object::adjust_sym_shndx): New function.
13337         (Object::set_xindex): New protected function.
13338         (class Symbol_value): Add is_ordinary_shndx_ field.
13339         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13340         (Symbol_value::value): Assert ordinary section.
13341         (Symbol_value::initialize_input_to_output_map): Likewise.
13342         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13343         Change all callers.
13344         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13345         all callers.
13346         (class Sized_relobj): Update declarations.
13347         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13348         parameter.  Change all callers.
13349         (Sized_relobj::adjust_shndx): New function.
13350         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13351         field.
13352         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13353         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13354         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13355         (Sized_dynobj::read_dynsym_section): Adjust section links.
13356         (Sized_dynobj::read_dynamic): Likewise.
13357         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13358         section links.
13359         (Sized_dynobj::do_initialize_xindex): New function.
13360         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13361         do_initialize_xindex.
13362         (Sized_dynobj::adjust_shndx): New function.
13363         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13364         dynsym_xindex_ fields.
13365         (Layout::finalize): Add a call to set_section_indexes before
13366         creating the symtab sections.
13367         (Layout::set_section_indexes): Don't do anything if the section
13368         already has a section index.
13369         (Layout::create_symtab_sections): Add shnum parameter.  Change
13370         caller.  Create .symtab_shndx section if needed.
13371         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13372         caller.
13373         (Layout::allocated_output_section_count): New function.
13374         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13375         needed.
13376         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13377         fields.  Update declarations.
13378         (Layout::symtab_xindex): New function.
13379         (Layout::dynsym_xindex): New function.
13380         (class Write_symbols_task): Add layout_ field.
13381         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13382         Change caller.
13383         * output.cc (Output_section_headers::Output_section_headers): Add
13384         shstrtab_section parameter.  Change all callers.
13385         (Output_section_headers::do_sized_write): Store overflow values
13386         for section count and section string table section index in
13387         section header zero.
13388         (Output_file_header::do_sized_write): Check for overflow of
13389         section count and section string table section index.
13390         (Output_symtab_xindex::do_write): New function.
13391         (Output_symtab_xindex::endian_do_write): New function.
13392         * output.h (class Output_section_headers): Add shstrtab_section_.
13393         Update declarations.
13394         (class Output_symtab_xindex): Define.
13395         (Output_section::has_out_shndx): New function.
13396         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13397         field.
13398         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13399         Change all callers.
13400         (Sized_symbol::init): Likewise.
13401         (Symbol::output_section): Check for ordinary symbol.
13402         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13403         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13404         callers.
13405         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13406         Change all callers.  Simplify handling of symbols from sections
13407         not included in the link.
13408         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13409         distinction.
13410         (Weak_alias_sorter::operator()): Assert that symbols are
13411         ordinary.
13412         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13413         distinction.
13414         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13415         parameters.  Change all callers.
13416         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13417         symbol distinction.  Use SHN_XINDEX when needed.
13418         (Symbol_table::write_section_symbol): Add symtab_xindex
13419         parameter.  Change all callers.
13420         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13421         SHN_XINDEX when needed.
13422         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13423         declarations.
13424         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13425         (Symbol::is_defined): Check is_ordinary.
13426         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13427         (Symbol::is_absolute, Symbol::is_common): Likewise.
13428         (class Sized_symbol): Update declarations.
13429         (class Symbol_table): Update declarations.
13430         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13431         parameters.  Change all callers.
13432         (Sized_symbol::override): Likewise.
13433         (Symbol_table::override): Likewise.
13434         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13435         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13436         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13437         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13438         to be in an ordinary section.
13439         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13440         object and is_ordinary parameters.  Change all callers.
13441         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13442         Change all callers.  Don't add undefined or non-ordinary symbols
13443         to reloc_map_.
13444         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13445         Change all callers.
13446         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13447         declarations.
13448         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13449         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13450         (Sized_relobj::relocate_sections): Likewise.
13451         * target-reloc.h (scan_relocs): Adjust section symbol index.
13452         (scan_relocatable_relocs): Likewise.
13453         * i386.cc (Scan::local): Check for ordinary symbols.
13454         * sparc.cc (Scan::local): Likewise.
13455         * x86_64.cc (Scan::local): Likewise.
13456         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13457         to symbol_section_and_value.
13458         * testsuite/many_sections_test.cc: New file.
13459         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13460         (check_PROGRAMS): Add many_sections_test.
13461         (many_sections_test_SOURCES): Define.
13462         (many_sections_test_DEPENDENCIES): Define.
13463         (many_sections_test_LDFLAGS): Define.
13464         (BUILT_SOURCES): Add many_sections_define.h.
13465         (many_sections_define.h): New target.
13466         (BUILT_SOURCES): Add many_sections_check.h.
13467         (many_sections_check.h): New target.
13468         (check_PROGRAMS): Add many_sections_r_test.
13469         (many_sections_r_test_SOURCES): Define.
13470         (many_sections_r_test_DEPENDENCIES): Define.
13471         (many_sections_r_test_LDFLAGS): Define.
13472         (many_sections_r_test_LDADD): Define.
13473         (many_sections_r_test.o): New target.
13474         * testsuite/Makefile.in: Rebuild.
13475
13476 2008-04-17  Cary Coutant  <ccoutant@google.com>
13477
13478         * errors.cc (Errors::info): New function.
13479         (gold_info): New function.
13480         * errors.h (Errors::info): New function.
13481         * gold.h (gold_info): New function.
13482         * object.cc (Input_objects::add_object): Print trace output.
13483         * options.cc (options::parse_set): New function.
13484         (General_options::parse_wrap): Deleted.
13485         (General_options::General_options): Deleted initializer.
13486         * options.h (options::String_set): New typedef.
13487         (options::parse_set): New function.
13488         (DEFINE_set): New macro.
13489         (General_options::wrap): Changed to use DEFINE_set. Changed
13490         callers of any_wrap_symbols and is_wrap_symbol.
13491         (General_options::trace, General_options::trace_symbol):
13492         New options.
13493         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13494         (General_options::wrap_symbols_): Deleted.
13495         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13496
13497 2008-04-17  David S. Miller  <davem@davemloft.net>
13498
13499         * options.cc (General_options::parse_V): New function.
13500         * options.h: Add entries for -V and -Qy.
13501
13502 2008-04-17  Ian Lance Taylor  <iant@google.com>
13503
13504         * common.cc (Symbol_table::allocate_commons): Remove options
13505         parameter.  Change caller.
13506         (Symbol_table::do_allocate_commons): Remove options parameter.
13507         Change caller.  Just call do_allocate_commons_list twice.
13508         (Symbol_table::do_allocate_commons_list): New function, broken out
13509         of do_allocate_commons.
13510         * common.h (class Allocate_commons_task): Remove options_ field.
13511         Update constructor.
13512         * symtab.cc (Symbol_table::Symbol_table): Initialize
13513         tls_commons_.
13514         (Symbol_table::add_from_object): Put TLS common symbols on
13515         tls_commons_ list.
13516         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13517         which are IN_OUTPUT_DATA.
13518         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13519         allocate_commons and do_allocate_commons declarations.  Declare
13520         do_allocate_commons_list.
13521         * gold.cc (queue_middle_tasks): Update creation of
13522         Allocate_commons_task to not pass options.
13523         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13524         (TLS_TEST_C_FLAGS): New variable.
13525         (tls_test_c_pic.o): New target.
13526         (tls_test_shared.so): Link in tls_test_c_pic.o.
13527         (tls_test_c_pic_ie.o): New target.
13528         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13529         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13530         (tls_test_c.o): New target.
13531         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13532         (tls_pic_test_LDADD): Likewise.
13533         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13534         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13535         (tls_test_c_gnu2.o): New target.
13536         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13537         tls_test_c_gnu2.o.
13538         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13539         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13540         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13541         * testsuite/tls_test.cc: Include "config.h".
13542         (t_last): Call t11_last.
13543         * testsuite/tls_test.h (t11, t11_last): Declare.
13544         * testsuite/tls_test_c.c: New file.
13545         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13546         * configure.ac: Check for OpenMP support.
13547         * configure, config.in, Makefile.in: Rebuild.
13548         * testsuite/Makefile.in: Rebuild.
13549
13550 2008-04-16  Cary Coutant  <ccoutant@google.com>
13551
13552         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13553         (Target_i386::tls_base_symbol_defined_): New field.
13554         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13555         (Target_i386::Scan::global): Likewise.
13556         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13557         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13558         (Target_x86_64::tls_base_symbol_defined_): New field.
13559         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13560         (Target_x86_64::Scan::global): Likewise.
13561
13562 2008-04-16  Cary Coutant  <ccoutant@google.com>
13563
13564         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13565         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13566         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13567         building shared libraries.
13568         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13569         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13570         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13571         * testsuite/Makefile.in: Rebuild.
13572         * testsuite/weak_undef.h: New file.
13573         * testsuite/weak_undef_file1.cc: Add extra test cases.
13574         * testsuite/weak_undef_file2.cc: Likewise.
13575         * testsuite/weak_undef_test.cc: Likewise.
13576
13577 2008-04-16  David S. Miller  <davem@davemloft.net>
13578
13579         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13580         Add issued_non_pic_error_ field.  Declare check_non_pic.
13581         (Target_sparc::Scan::check_non_pic): New function.
13582         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13583         (Target_sparc::Scan::global): Likewise.
13584
13585         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13586         * configure: Rebuild.
13587
13588         * options.h (DEFINE_enable): New macro.
13589         (new_dtags): New enable option.
13590         (initfirst, interpose, loadfltr, nodefaultlib,
13591         nodelete, nodlopen, nodump): New -z options.
13592         * layout.cc (Layout:finish_dynamic_section): If new
13593         dtags enabled, emit DT_RUNPATH.  Also, emit a
13594         DT_FLAGS_1 containing any specified -z flags.
13595
13596 2008-04-16  Ian Lance Taylor  <iant@google.com>
13597
13598         * copy-relocs.cc: New file.
13599         * copy-relocs.h: New file.
13600         * reloc.cc: Remove Copy_relocs code.
13601         * reloc.h: Likewise.
13602         * reloc-types.h (struct Reloc_types) [both versions]: Add
13603         get_reloc_addend_noerror.
13604         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13605         variants of add_global which take an addend which must be zero.
13606         * i386.cc: Include "copy-relocs.h".
13607         (class Target_i386): Change type of copy_relocs_ to variable,
13608         update initializer.
13609         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13610         Change all callers.
13611         (Target_i386::do_finalize_sections): Change handling of
13612         copy_relocs_.
13613         * sparc.cc: Include "copy-relocs.h".
13614         (class Target_sparc): Change type of copy_relocs_ to variable,
13615         update initializer.
13616         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13617         Change all callers.
13618         (Target_sparc::do_finalize_sections): Change handling of
13619         copy_relocs_.
13620         * x86_64.cc: Include "copy-relocs.h".
13621         (class Target_x86_64): Change type of copy_relocs_ to variable,
13622         update initializer.
13623         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13624         class.  Change all callers.
13625         (Target_x86_64::do_finalize_sections): Change handling of
13626         copy_relocs_.
13627         * Makefile.am (CCFILES): Add copy-relocs.cc.
13628         (HFILES): Add copy-relocs.h.
13629
13630         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13631
13632         * testsuite/script_test_4.sh: Permit leading zeroes.
13633
13634 2008-04-15  Ian Lance Taylor  <iant@google.com>
13635
13636         * script-sections.cc (Script_sections::create_segments): Use
13637         header_size_adjustment even when there is enough room for the
13638         headers.
13639         * testsuite/script_test_4.sh: New file.
13640         * testsuite/script_test_4.t: New file.
13641         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13642         (check_DATA): Add script_test_4.stdout.
13643         (MOSTLYCLEANFILES): Likewise.
13644         (script_test_4): New target.
13645         (script_test_4.stdout): New target.
13646         * testsuite/Makefile.in: Rebuild.
13647
13648         * sparc.cc: Add definitions for Output_data_plt_sparc class
13649         constants.
13650
13651 2008-04-14  David S. Miller  <davem@davemloft.net>
13652
13653         * sparc.cc: New file.
13654         * Makefile.am (TARGETSOURCES): Add sparc.cc
13655         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13656         * configure.tgt: Document targ_extra_size and
13657         targ_extra_big_endian.  Add entries for sparc-* and
13658         sparc64-*.
13659         * configure.ac: Handle targ_extra_size and
13660         targ_extra_big_endian.
13661         * Makefile.in: Rebuild.
13662         * configure: Likewise.
13663         * po/POTFILES.in: Likewise.
13664         * po/gold.pot: Likewise.
13665
13666 2008-04-14  Ian Lance Taylor  <iant@google.com>
13667
13668         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13669         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13670         in the name/type/flags to section mapping.  Don't call
13671         allocate_output_section.
13672         (Layout::choose_output_section): Change parameter from adjust_name
13673         to is_input_section.  Don't permit input sections after sections
13674         are attached to segments.  Don't call allocate_output_section.
13675         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13676         not write_enable_output_section.
13677         (Layout::make_output_section): Don't push to
13678         unattached_section_list_ nor call attach_to_segment.  Call
13679         attach_section_to_segment if sections are attached.
13680         (Layout::attach_sections_to_segments): New function.
13681         (Layout::attach_section_to_segment): New function.
13682         (Layout::attach_allocated_section_to_segment): Rename from
13683         attach_to_segment.  Remove flags parameter.
13684         (Layout::allocate_output_section): Remove function.
13685         (Layout::write_enable_output_section): Remove function.
13686         * layout.h (class Layout): Update for above changes.  Add new
13687         field sections_are_attached_.
13688         * output.h (Output_section::update_flags_for_input_section): New
13689         function.
13690         * output.cc (Output_section::add_input_section): Call
13691         update_flags_for_input_section.
13692         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13693
13694 2008-04-11  Cary Coutant  <ccoutant@google.com>
13695
13696         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13697         thought unnecessary.
13698         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13699
13700 2008-04-11  Ian Lance Taylor  <iant@google.com>
13701
13702         * output.h (class Output_section_data): Remove inline definition
13703         of set_addralign.
13704         * output.cc (Output_section_data::set_addralign): New function.
13705
13706 2008-04-11  Cary Coutant  <ccoutant@google.com>
13707
13708         Add support for TLS descriptors for i386 and x86_64.
13709         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13710         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13711         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13712         GOT_TYPE_TLS_DESC.
13713         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13714         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13715         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13716         relocations.
13717         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13718         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13719         Fix problem with initial-exec relocations.
13720         (Target_i386::Relocate::relocate_tls): Likewise.
13721         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13722         relaxation.
13723         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13724         support for section-plus-offset dynamic table entries.
13725         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13726         (Output_data_dynamic::Dynamic_entry): Add support for
13727         section-plus-offset dynamic table entries.
13728         (Output_data_dynamic::Classification): Likewise.
13729         (Output_data_dynamic::classification_): Renamed offset_.
13730         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13731         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13732         (Target_x86_64::make_plt_section): New function.
13733         (Target_x86_64::reserve_tlsdesc_entries): New function.
13734         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13735         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13736         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13737         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13738         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13739         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13740         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13741         add extra PLT entry for TLS descriptors.
13742         (Output_data_plt_x86_64::got_): New field.
13743         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13744         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13745         fields.
13746         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13747         descriptors.
13748         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13749         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13750         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13751         R_386_TLS_DESC_CALL relocations.
13752         (Target_x86_64::Scan::global): Likewise.
13753         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13754         for TLS descriptors.
13755         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13756         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13757         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13758         GD-to-IE relaxation.
13759         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13760         and TLS_DESCRIPTORS.
13761         * Makefile.in: Rebuild.
13762         * configure: Rebuild.
13763         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13764         (tls_test_shared2.so): New target.
13765         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13766         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13767         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13768         (tls_shared_gd_to_ie_test_LDADD): New variable.
13769         (tls_shared_gnu2_gd_to_ie_test): New target.
13770         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13771         New targets.
13772         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13773         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13774         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13775         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13776         (tls_shared_gnu2_test): New target.
13777         (tls_test_gnu2_shared.so): New target.
13778         (tls_shared_gnu2_test_SOURCES): New variable.
13779         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13780         (tls_shared_gnu2_test_LDFLAGS): New variable.
13781         (tls_shared_gnu2_test_LDADD): New variable.
13782         * testsuite/Makefile.in: Rebuild.
13783         * testsuite/Makefile.
13784
13785 2008-04-11  Ian Lance Taylor  <iant@google.com>
13786
13787         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13788         justsyms.t.
13789         * testsuite/Makefile.in: Rebuild.
13790
13791         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13792         long.
13793         * testsuite/script_test_2.cc (main): Adjust test.
13794
13795 2008-04-11  David S. Miller  <davem@davemloft.net>
13796             Ian Lance Taylor  <iant@google.com>
13797
13798         * options.h (General_options): Add entries for '-Y' and
13799         '-relax'.
13800         * options.cc (General_options:finalize): If -Y was used, add those
13801         entries to the library path instead of the default "/lib" and
13802         "/usr/lib".
13803
13804 2008-04-11  David S. Miller  <davem@davemloft.net>
13805
13806         * testsuite/justsyms.t: Start at 0x100.
13807         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13808         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13809         long.
13810         * testsuite/script_test_2.cc: Adjust string and section length
13811         checks.
13812
13813 2008-04-09  Ian Lance Taylor  <iant@google.com>
13814
13815         PR gold/5996
13816         * script-sections.cc (Sections_element::allocate_to_segment): Add
13817         orphan parameter.
13818         (Output_section_definition::allocate_to_segment): Likewise.
13819         (Orphan_output_section::allocate_to_segment): Likewise.
13820         (Script_sections::attach_sections_using_phdrs_clause): Don't
13821         propagate non-PT_LOAD segments to orphan sections.
13822         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13823         readelf rather than objdump.
13824         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13825         .interp section and PT_INTERP segment are the same size.
13826         * testsuite/Makefile.in: Rebuild.
13827
13828         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13829         aliases for symbols defined in the same object.
13830         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13831         (weak_alias_test_SOURCES): New variable.
13832         (weak_alias_test_DEPENDENCIES): New variable.
13833         (weak_alias_test_LDFLAGS): New variable.
13834         (weak_alias_test_LDADD): New variable.
13835         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13836         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13837         (weak_alias_test_3.o): New target.
13838         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13839         * testsuite/weak_alias_test_main.cc: New file.
13840         * testsuite/weak_alias_test_1.cc: New file.
13841         * testsuite/weak_alias_test_2.cc: New file.
13842         * testsuite/weak_alias_test_3.cc: New file.
13843
13844 2008-04-08  Ian Lance Taylor  <iant@google.com>
13845
13846         * options.h (class General_options): Add --noinhibit-exec option.
13847         * main.cc (main): Check --noinhibit-exec.
13848
13849         * options.h (class General_options): Define --wrap as a special
13850         option.  Add wrap_symbols_ field.
13851         (General_options::any_wrap_symbols): New function.
13852         (General_options::is_wrap_symbol): New function.
13853         * options.cc (General_options::parse_wrap): New function.
13854         (General_options::General_options): Initialize wrap_symbols_.
13855         * symtab.cc (Symbol_table::wrap_symbol): New function.
13856         (Symbol_table::add_from_object): Handle --wrap.
13857         * symtab.h (class Symbol_table): Declare wrap_symbol.
13858         * target.h (Target::wrap_char): New function.
13859         (Target::Target_info): Add wrap_char field.
13860         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13861         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13862         * testsuite/testfile.cc (Target_test::test_target_info):
13863         Likewise.
13864
13865         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13866         there is one.
13867
13868         * layout.h (class Layout): Add added_eh_frame_data_ field.
13869         * layout.cc (Layout::Layout): Initialize new field.
13870         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13871         output section until we find a section we merged successfully.
13872         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13873         that the size be non-zero.
13874
13875         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13876         qualifier.
13877
13878 2008-04-08  Craig Silverstein  <csilvers@google.com>
13879
13880         * configure.ac: Export new conditional variable HAVE_ZLIB.
13881         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13882         on HAVE_ZLIB.
13883         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13884         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13885
13886 2008-04-07  Ian Lance Taylor  <iant@google.com>
13887
13888         * version.cc (version_string): Set to "1.5".
13889
13890         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13891         Add issued_non_pic_error_ field.  Declare check_non_pic.
13892         (Target_x86_64::Scan::check_non_pic): New function.
13893         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13894         (Target_x86_64::Scan::global): Likewise.
13895
13896         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13897         addend parameter.  Change caller.  Handle merge sections.
13898         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13899         Address to Addend.  Don't add in the result of
13900         local_section_offset, pass down the addend and use the returned
13901         value.
13902         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13903         Update declarations of local_section_offset and symbol_value.
13904         * testsuite/two_file_test_1.cc (t18): New function.
13905         * testsuite/two_file_test_2.cc (f18): New function.
13906         * testsuite/two_file_test_main.cc (main): Call t18.
13907         * testsuite/two_file_test.h (t18, f18): Declare.
13908
13909         * configure.ac: Don't test for objdump, c++filt, or readelf.
13910         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13911         conditionals.
13912         (TEST_READELF): New variable.
13913         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13914         (check_PROGRAMS): Add two_file_strip_test.
13915         (two_file_strip_test): New target.
13916         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13917         (two_file_same_shared_strip_test_SOURCES): New variable.
13918         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13919         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13920         (two_file_same_shared_strip_test_LDADD): New variable.
13921         (two_file_shared_strip.so): New target.
13922         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13923         (ver_test_5.syms, ver_test_7.syms): Likewise.
13924         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13925         (strip_test_3.stdout): Use TEST_OBJDUMP.
13926         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13927
13928 2008-04-04  Cary Coutant  <ccoutant@google.com>
13929
13930         * symtab.h (Symbol::is_weak_undefined): New function.
13931         (Symbol::is_strong_undefined): New function.
13932         (Symbol::is_absolute): New function.
13933         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13934         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13935         absolute symbols.
13936         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13937         (weak_undef_test): New target.
13938         * testsuite/Makefile.in: Rebuild.
13939         * testsuite/weak_undef_file1.cc: New file.
13940         * testsuite/weak_undef_file2.cc: New file.
13941         * testsuite/weak_undef_test.cc: New file.
13942
13943 2008-04-03  Craig Silverstein  <csilvers@google.com>
13944
13945         * compressed_output.h (class Output_compressed_section): Use
13946         unsigned buffer.
13947         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13948         add zlib header.
13949         (zlib_compressed_suffix): Removed.
13950         (Output_compressed_section::set_final_data_size): Use unsigned
13951         buffers.
13952         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13953         Fix linker invocation.
13954         (flagstest_o_specialfile_and_compress_debug_sections):
13955         Likewise.
13956         * testsuite/Makefile.in: Regenerated.
13957
13958 2008-04-02  David S. Miller  <davem@davemloft.net>
13959
13960         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13961         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13962
13963 2008-04-02  Craig Silverstein  <csilvers@google.com>
13964
13965         * TODO: New file.
13966
13967 2008-04-02  Ian Lance Taylor  <iant@google.com>
13968
13969         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13970         parameters.  Update for new key type to views_.  Change all
13971         callers.
13972         (File_read::read): Adjust for byteshift in returned view.
13973         (File_read::add_view): New function, broken out of
13974         find_and_make_view.
13975         (File_read::make_view): New function, broken out of
13976         find_and_make_view.
13977         (File_read::find_or_make_view): Add offset and aligned
13978         parameters.  Rewrite accordingly.  Change all callers.
13979         (File_read::get_view): Add offset and aligned parameters.  Adjust
13980         for byteshift in return value.
13981         (File_read::get_lasting_view): Likewise.
13982         * fileread.h (class File_read): Update declarations.
13983         (class File_read::View): Add byteshift_ field.  Add byteshift to
13984         constructor.  Add byteshift method.
13985         * archive.h (Archive::clear_uncached_views): New function.
13986         (Archive::get_view): Add aligned parameter.  Change all callers.
13987         * object.h (Object::get_view): Add aligned parameter.  Change all
13988         callers.
13989         (Object::get_lasting_view): Likewise.
13990
13991         * fileread.cc (File_read::release): Don't call clear_views if
13992         there are multiple objects.
13993         * fileread.h (File_read::clear_uncached_views): New function.
13994         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13995         on the archive.
13996
13997 2008-03-31  Cary Coutant  <ccoutant@google.com>
13998
13999         Add thin archive support.
14000         * archive.cc (Archive::armagt): New const.
14001         (Archive::setup): Remove task parameter and calls to unlock.
14002         (Archive::unlock_nested_archives): New function.
14003         (Archive::read_header): Add nested_off parameter. Change
14004         all callers.
14005         (Archive::interpret_header): Likewise.
14006         (Archive::include_all_members): Change to handle thin
14007         archives.
14008         (Archive::include_member): Likewise.
14009         * archive.h (Archive::Archive): Add new parameters and
14010         initializers.
14011         (Archive::armagt): New const.
14012         (Archive::setup): Remove task parameter.
14013         (Archive::unlock_nested_archives): New function.
14014         (Archive::read_header): Add nested_off parameter.
14015         (Archive::interpret_header): Likewise.
14016         (Archive::Nested_archive_table): New typedef.
14017         (Archive::is_thin_archive_): New field.
14018         (Archive::nested_archives_): New field.
14019         (Archive::options_): New field.
14020         (Archive::dirpath_): New field.
14021         (Archive::task_): New field.
14022         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14023         for thin archives.  Pass additional parameters to
14024         Archive::Archive.  Unlock the archive file after calling
14025         Archive::setup.
14026
14027 2008-03-29  Ian Lance Taylor  <iant@google.com>
14028
14029         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14030         version symbol to be local.
14031         * testsuite/ver_test_4.sh: New file.
14032         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14033         (check_DATA): Add ver_test_4.syms.
14034         (ver_test_4.syms): New target.
14035         * testsuite/Makefile.in: Rebuild.
14036
14037         * output.cc
14038         (Output_section::Input_section_sort_entry::has_priority): New
14039         function.
14040         (Output_section::Input_section_sort_entry::match_file_name): New
14041         function.
14042         (Output_section::Input_section_sort_entry::match_section_name):
14043         Remove.
14044         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14045         Remove.
14046         (Output_section::Input_section_sort_entry::match_section_file):
14047         Remove.
14048         (Output_section::Input_section_sort_compare::operator()): Rewrite
14049         using new Input_section_sort_entry functions.  Sort crtbegin and
14050         crtend first.  Sort sections with no priority before sections with
14051         a priority.
14052         * testsuite/initpri1.c (d3): Check j != 4.
14053         (cd5): New constructor/destructor function.
14054         (main): Check j != 2.
14055
14056         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14057         new symbol when resolving, don't call set_is_default.
14058         * testsuite/ver_test_7.cc: New file.
14059         * testsuite/ver_test_7.sh: New file.
14060         * testsuite/Makefile.am (ver_test_7.so): New target.
14061         (ver_test_7.o): New target.
14062         (check_SCRIPTS): Add ver_test_7.sh.
14063         (check_DATA): Add ver_test_7.syms.
14064         (ver_test_7.syms): New target.
14065
14066 2008-03-28  Ian Lance Taylor  <iant@google.com>
14067
14068         * layout.cc (Layout::layout): If we see an input section with a
14069         name that needs sorting, set the must_sort flag for the output
14070         section.
14071         (Layout::make_output_section): If the name of the output section
14072         indicates that it might require sorting, set the may_sort flag.
14073         * output.h (Output_section::may_sort_attached_input_sections): New
14074         function.
14075         (Output_section::set_may_sort_attached_input_sections): New
14076         function.
14077         (Output_section::must_sort_attached_input_sections): New
14078         function.
14079         (Output_section::set_must_sort_attached_input_sections): New
14080         function.
14081         (class Output_section): Declare Input_section_sort_entry.  Define
14082         Input_section_sort_compare.  Declare
14083         sort_attached_input_sections.  Add new fields:
14084         may_sort_attached_input_sections_,
14085         must_sort_attached_input_sections_,
14086         attached_input_sections_are_sorted_.
14087         * output.cc (Output_section::Output_section): Initialize new
14088         fields.
14089         (Output_section::add_input_section): Add an entry to
14090         input_sections_ if may_sort or must_sort are true.
14091         (Output_section::set_final_data_size): Call
14092         sort_attached_input_sections if necessary.
14093         (Output_section::Input_section_sort_entry): Define new class.
14094         (Output_section::Input_section_sort_compare::operator()): New
14095         function.
14096         (Output_section::sort_attached_input_sections): New function.
14097         * configure.ac: Check whether the compiler supports constructor
14098         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14099         * testsuite/initpri1.c: New file.
14100         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14101         CONSTRUCTOR_PRIORITY.
14102         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14103         (initpri1_LDFLAGS): New variable.
14104         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14105
14106 2008-03-27  Ian Lance Taylor  <iant@google.com>
14107
14108         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14109         * testsuite/common_test_1.c: New file.
14110         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14111         (common_test_1_SOURCES): New variable.
14112         (common_test_1_DEPENDENCIES): New variable.
14113         (common_test_1_LDFLAGS): New variable.
14114
14115         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14116         and commons_ correctly when NAME/VERSION does not override
14117         NAME/NULL.
14118         * testsuite/ver_test_6.c: New file.
14119         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14120         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14121         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14122
14123 2008-03-26  Ian Lance Taylor  <iant@google.com>
14124
14125         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14126         of an undefined symbol from a version script.
14127         * testsuite/Makefile.am (ver_test_5.so): New target.
14128         (ver_test_5.o): New target.
14129         (check_SCRIPTS): Add ver_test_5.sh.
14130         (check_DATA): Add ver_test_5.syms.
14131         (ver_test_5.syms): New target.
14132         * testsuite/ver_test_5.cc: New file.
14133         * testsuite/ver_test_5.script: New file.
14134         * testsuite/ver_test_5.sh: New file.
14135         * Makefile.in, testsuite/Makefile.in: Rebuild.
14136
14137         PR gold/5986
14138         Fix problems building gold with gcc 4.3.0.
14139         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14140         (gold_error_at_location, gold_warning_at_location): Use it.
14141         * configure.ac: Check whether we can compile and use a template
14142         function with a printf attribute.
14143         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14144         when jumping over bytes.
14145         * object.cc: Instantiate Object::read_section_data.
14146         * debug.h: Include <cstring>
14147         * dwarf_reader.cc: Include <algorithm>
14148         * main.cc: Include <cstring>.
14149         * options.cc: Include <cstring>.
14150         * output.cc: Include <cstring>.
14151         * script.cc: Include <cstring>.
14152         * script.h: Include <string>.
14153         * symtab.cc: Include <cstring> and <algorithm>.
14154         * target-select.cc: Include <cstring>.
14155         * version.cc: Include <string>.
14156         * testsuite/testmain.cc: Include <cstdlib>.
14157         * configure, config.in: Rebuild.
14158
14159 2008-03-25  Ian Lance Taylor  <iant@google.com>
14160
14161         * options.cc: Include "../bfd/bfdver.h".
14162         (options::help): Print bug reporting address.
14163
14164         * version.cc (print_version): Adjust output for current value of
14165         BFD_VERSION_STRING.
14166
14167         * NEWS: New file.
14168
14169         * options.cc (options::help): Print list of supported targets.
14170         * target-select.h: Include <vector>.
14171         (class Target_selector): Make machine_, size_, and is_big_endian_
14172         fields const.  Add bfd_name_ and instantiated_target_ fields.
14173         (Target_selector::Target_selector): Add bfd_name parameter.
14174         (Target_selector::recognize): Make non-virtual, call
14175         do_recognize.
14176         (Target_selector::recognize_by_name): Make non-virtual, call
14177         do_recognize_by_name.
14178         (Target_selector::supported_names): New function.
14179         (Target_selector::bfd_name): New function.
14180         (Target_selector::do_instantiate_target): New pure virtual
14181         function.
14182         (Target_selector::do_recognize): New virtual function.
14183         (Target_selector::do_recognize_by_name): New virtual function.
14184         (Target_selector::instantiate_target): New private function.
14185         (supported_target_names): Declare.
14186         * target-select.cc (Target_selector::Target_selector): Update for
14187         new parameter and fields.
14188         (select_target_by_name): Check that the name matches before
14189         calling recognize_by_name.
14190         (supported_target_names): New function.
14191         * i386.cc (class Target_selector_i386): Update Target_selector
14192         constructor call.  Remove recognize and recognize_by_name.  Add
14193         do_instantiate_target.
14194         * x86_64.cc (class Target_selector_x86_64): Likewise.
14195         * testsuite/testfile.cc (class Target_selector_test): Update for
14196         changes to Target_selector.
14197
14198         * README: Rewrite, with some notes on unsupported features.
14199
14200 2008-03-24  Cary Coutant  <ccoutant@google.com>
14201
14202         * i386.cc (Target_i386::Got_type): New enum declaration.
14203         (Target_i386::Scan::local): Updated callers of Output_data_got
14204         member functions.
14205         (Target_i386::Scan::global): Likewise.
14206         (Target_i386::Relocate::relocate): Likewise.
14207         (Target_i386::Relocate::relocate_tls): Likewise.
14208         * object.h (Got_offset_list): New class.
14209         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14210         (Sized_relobj::local_got_offset): Likewise.
14211         (Sized_relobj::set_local_got_offset): Likewise.
14212         (Sized_relobj::local_has_tls_got_offset): Removed.
14213         (Sized_relobj::local_tls_got_offset): Removed.
14214         (Sized_relobj::set_local_tls_got_offset): Removed.
14215         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14216         * output.cc (Output_data_got::add_global): Added got_type parameter.
14217         (Output_data_got::add_global_with_rel): Likewise.
14218         (Output_data_got::add_global_with_rela): Likewise.
14219         (Output_data_got::add_global_pair_with_rel): New function.
14220         (Output_data_got::add_global_pair_with_rela): New function.
14221         (Output_data_got::add_local): Added got_type parameter.
14222         (Output_data_got::add_local_with_rel): Likewise.
14223         (Output_data_got::add_local_with_rela): Likewise.
14224         (Output_data_got::add_local_pair_with_rel): New function.
14225         (Output_data_got::add_local_pair_with_rela): New function.
14226         (Output_data_got::add_global_tls): Removed.
14227         (Output_data_got::add_global_tls_with_rel): Removed.
14228         (Output_data_got::add_global_tls_with_rela): Removed.
14229         (Output_data_got::add_local_tls): Removed.
14230         (Output_data_got::add_local_tls_with_rel): Removed.
14231         (Output_data_got::add_local_tls_with_rela): Removed.
14232         * output.h (Output_data_got::add_global): Added got_type parameter.
14233         (Output_data_got::add_global_with_rel): Likewise.
14234         (Output_data_got::add_global_with_rela): Likewise.
14235         (Output_data_got::add_global_pair_with_rel): New function.
14236         (Output_data_got::add_global_pair_with_rela): New function.
14237         (Output_data_got::add_local): Added got_type parameter.
14238         (Output_data_got::add_local_with_rel): Likewise.
14239         (Output_data_got::add_local_with_rela): Likewise.
14240         (Output_data_got::add_local_pair_with_rel): New function.
14241         (Output_data_got::add_local_pair_with_rela): New function.
14242         (Output_data_got::add_global_tls): Removed.
14243         (Output_data_got::add_global_tls_with_rel): Removed.
14244         (Output_data_got::add_global_tls_with_rela): Removed.
14245         (Output_data_got::add_local_tls): Removed.
14246         (Output_data_got::add_local_tls_with_rel): Removed.
14247         (Output_data_got::add_local_tls_with_rela): Removed.
14248         * resolve.cc (Symbol::override_base_with_special): Removed
14249         reference to has_got_offset_ field.
14250         * symtab.cc (Symbol::init_fields): Replaced initialization
14251         of got_offset_ with got_offsets_.  Removed initialization
14252         of has_got_offset_
14253         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14254         (Symbol::got_offset): Likewise.
14255         (Symbol::set_got_offset): Likewise.
14256         (Symbol::has_tls_got_offset): Removed.
14257         (Symbol::tls_got_offset): Removed.
14258         (Symbol::set_tls_got_offset): Removed.
14259         (Symbol::got_offset_): Removed.
14260         (Symbol::tls_mod_got_offset_): Removed.
14261         (Symbol::tls_pair_got_offset_): Removed.
14262         (Symbol::got_offsets_): New field.
14263         (Symbol::has_got_offset): Removed.
14264         (Symbol::has_tls_mod_got_offset): Removed.
14265         (Symbol::has_tls_pair_got_offset): Removed.
14266         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14267         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14268         member functions.
14269         (Target_x86_64::Scan::global): Likewise.
14270         (Target_x86_64::Relocate::relocate): Likewise.
14271         (Target_x86_64::Relocate::relocate_tls): Likewise.
14272
14273 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14274
14275         * yyscript.y: Fix spelling error in comment.
14276
14277 2008-03-24  Ian Lance Taylor  <iant@google.com>
14278
14279         * options.h (class General_options): Define build_id option.
14280         * layout.h (class Layout): Declare write_build_id, create_note,
14281         create_build_id.  Add build_id_note_ member.
14282         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14283         "libiberty.h", "md5.h", "sha1.h".
14284         (Layout::Layout): Initialize eh_frame_data_,
14285         eh_frame_hdr_section_, and build_id_note_.
14286         (Layout::finalize): Call create_build_id.
14287         (Layout::create_note): New function, broken out of
14288         Layout::create_gold_note.
14289         (Layout::create_gold_note): Call create_note.
14290         (Layout::create_build_id): New function.
14291         (Layout::write_build_id): New function.
14292         (Close_task_runner::run): Call write_build_id.
14293
14294         * x86_64.cc: Correct license to GPLv3.
14295
14296 2008-03-23  Ian Lance Taylor  <iant@google.com>
14297
14298         * options.cc: Include "demangle.h".
14299         (parse_optional_string): New function.
14300         (parse_long_option): Handle takes_optional_argument.
14301         (parse_short_option): Update dash_z initializer.  Handle
14302         takes_optional_argument.
14303         (General_options::General_options): Initialize do_demangle_.
14304         (General_options::finalize): Set do_demangle_.  Handle demangling
14305         style.
14306         * options.h (parse_optional_string): Declare.
14307         (struct One_option): Add optional_arg field.  Update constructor.
14308         Update call constructor calls.  Add takes_optional_argument
14309         function.
14310         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14311         (DEFINE_optional_string): Define.
14312         (General_options::demangle): Change from DEFINE_bool to
14313         DEFINE_optional_string.
14314         (General_options::no_demangle): New function.
14315         (General_options::do_demangle): New function.
14316         (General_options::set_do_demangle): New function.
14317         (General_options::execstack_status_): Move definition to end of
14318         class definition.
14319         (General_options::static_): Likewise.
14320         (General_options::do_demangle_): New field.
14321         * object.cc (big_endian>::get_symbol_location_info): Call
14322         Options::do_demangle, not Options::demangle.
14323         * symtab.cc (demangle): Likewise.
14324
14325 2008-03-22  Ian Lance Taylor  <iant@google.com>
14326
14327         * gold.h: Include <cstddef> and <sys/types.h>
14328         * options.h: Include <cstring>.
14329
14330 2008-03-21  Ian Lance Taylor  <iant@google.com>
14331
14332         * Added source code to GNU binutils.
14333 \f
14334 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14335
14336 Copying and distribution of this file, with or without modification,
14337 are permitted in any medium without royalty provided the copyright
14338 notice and this notice are preserved.
14339
14340 Local Variables:
14341 mode: change-log
14342 left-margin: 8
14343 fill-column: 74
14344 version-control: never
14345 End: