b97d8a2eadc086947d9a62015a5a3fa544541320
[external/binutils.git] / gold / ChangeLog
1 2012-12-17  Nick Clifton  <nickc@redhat.com>
2
3         * Makefile.am: Add copyright notice.
4         * NEWS: Likewise.
5         * README: Likewise.
6         * configure.ac: Likewise.
7         * ftruncate.c: Likewise.
8         * Makefile.in: Regenerate.
9
10 2012-12-14  Cary Coutant  <ccoutant@google.com>
11
12         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
13         --no-as-needed flag.
14         (exception_separate_shared_12_test): Likewise.
15         (incremental_copy_test): Likewise.
16         * testsuite/Makefile.in: Regenerate.
17
18 2012-12-14  Cary Coutant  <ccoutant@google.com>
19
20         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
21         (Dwp_output_file::Dwp_index::enter_set): Add assert.
22
23 2012-12-12  Alan Modra  <amodra@gmail.com>
24
25         * powerpc.cc (class Track_tls): New.
26         (class Relocate, class Scan): Inherit Track_tls.
27         (Target_powerpc::Scan::local, global): Track tls optimization
28         and avoid creating plt entry for __tls_get_addr if all uses
29         are optimized away.
30         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
31
32 2012-12-12  Alan Modra  <amodra@gmail.com>
33
34         * options.h (General_options): Add --toc-sort/--no-toc-sort.
35         Replace no_toc_optimize with toc_optimize.
36         * output.h (Output_section::input_sections): Provide non-const variant.
37         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
38         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
39         accessors.
40         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
41         (class Sort_toc_sections): New.
42         (Target_powerpc::do_finalize_sections): Sort toc sections.
43         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
44
45 2012-12-10  Roland McGrath  <mcgrathr@google.com>
46
47         * testsuite/binary_unittest.cc (read_all): New function.
48         (Sized_binary_test): Use it instead of ::read.
49         * fileread.cc (do_read): Don't assume pread always reads the whole
50         amount in a single call.
51
52 2012-12-10  Alan Modra  <amodra@gmail.com>
53
54         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
55         Set EM_PPC64 or EM_PPC here.
56         (Target_selector_powerpc::do_recognize): Delete.
57
58 2012-12-10  Alan Modra  <amodra@gmail.com>
59
60         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
61         stub_table_.
62         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
63
64 2012-12-07  Roland McGrath  <mcgrathr@google.com>
65
66         * testsuite/binary_unittest.cc (Sized_binary_test):
67         Use open_descriptor rather than ::open.
68
69 2012-12-07  Alan Modra  <amodra@gmail.com>
70
71         * powerpc.cc (Stub_table::do_write): Delete redundant Address
72         typedef and invalid_address constant.
73         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
74         instantiate constants.
75
76 2012-12-06  Roland McGrath  <mcgrathr@google.com>
77
78         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
79         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
80         * aclocal.m4: Regenerate.
81         * configure: Regenerate.
82         * Makefile.in: Regenerate.
83         * testsuite/Makefile.in: Regenerate.
84
85 2012-12-07  Alan Modra  <amodra@gmail.com>
86
87         * options.h (General_options): Add no_toc_optimize.
88         * powerpc.cc (ok_lo_toc_insn): New function.
89         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
90
91 2012-12-06  Alan Modra  <amodra@gmail.com>
92
93         * options.h (General_options): Add plt_align, plt_static_chain,
94         plt_thread_safe.  Update stub_group_size help text.
95         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
96         for new plt_thread_safe_ var.
97         (use_plt_offset): Correct comments.
98         (Target_powerpc::do_relax): Look for thread creation symbols to
99         determine default plt_thread_safe value.  Clear plt call stubs
100         as well as branch stubs each iteration.
101         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
102         insn constants.
103         (l, hi, ha, write_insn): Move earlier.
104         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
105         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
106         plt stubs too.
107         (Stub_table::update_size): Adjust.
108         (Stub_table::prev_size, set_prev_size): Delete.
109         (Stub_table::stub_align): Let --plt-align affect result.
110         (Stub_table::plt_call_size): Calculate sizes for various stubs.
111         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
112         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
113         (Stub_table::do_write): Support more stub variants.
114
115 2012-12-04  Alan Modra  <amodra@gmail.com>
116
117         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
118         (Target_powerpc::do_define_standard_symbols): New function.
119
120 2012-12-03  Alan Modra  <amodra@gmail.com>
121
122         * output.h: Formatting, whitespace.
123
124 2012-12-03  Alan Modra  <amodra@gmail.com>
125
126         * layout.h (Layout::get_executable_sections): Declare.
127         * layout.cc (Layout::get_executable_sections): New function.
128         * arm.cc (Target_arm::group_sections): Use it.
129         (Arm_output_section::group_sections): Delete now redundant test.
130         * output.cc (Output_reloc::Output_reloc): Add is_relative.
131         param to handle relative relocs.
132         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
133         (Output_data_reloc::add_absolute): Adjust.
134         (Output_data_reloc::add_relative): New function.
135         (Output_data::reset_data_size): New function.
136         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
137         (Output_section::set_addralign): New function.
138         (Output_section::checkpoint_set_addralign): New function.
139         (Output_section::clear_section_offsets_need_adjustment): New function.
140         (Output_section::input_sections): Make public.
141         * powerpc.cc (class Output_data_brlt_powerpc): New.
142         (class Stub_table, class Stub_control): New.
143         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
144         stub_table_, set_stub_table, stub_table): New vectors and accessor
145         functions.
146         (Target_powerpc::do_may_relax, do_relax, push_branch,
147         new_stub_table, stub_tables, brlt_section, group_sections,
148         add_branch_lookup_table, find_branch_lookup_table,
149         write_branch_lookup_table, make_brlt_section): New functions.
150         (Target_powerpc::struct Sort_sections, class Branch_info): New.
151         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
152         branch_info_): New vars.
153         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
154         make call stubs here.
155         (Output_data_glink): Remove all call stub handling from this class.
156         (Target_powerpc::Scan::local, global): Save interesting branch
157         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
158         (Target_powerpc::do_finalize_sections): Only make reg save/restore
159         functions on final link.
160         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
161         Handle long branch destinations too.
162         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
163         do_plt_address_for_local): Adjust lookup of plt call stubs.
164
165 2012-11-30  Alan Modra  <amodra@gmail.com>
166
167         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
168         relocs against protected symbols when building 32-bit shared libs.
169
170 2012-11-30  Alan Modra  <amodra@gmail.com>
171
172         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
173         param.  Call got_section() to make .got.  Update all callers
174         and their callers and so on.
175
176 2012-11-30  Alan Modra  <amodra@gmail.com>
177
178         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
179         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
180         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
181         value if it already exists.
182
183 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
184
185         PR gold/14858
186         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
187
188 2012-11-14  Roland McGrath  <mcgrathr@google.com>
189
190         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
191         than bfc instruction for data sandboxing.
192
193 2012-11-08  Alan Modra  <amodra@gmail.com>
194
195         * po/POTFILES.in: Regenerate.
196
197 2012-11-05  Alan Modra  <amodra@gmail.com>
198
199         * configure.ac: Apply 2012-09-10 change to config.in here.
200         * configure: Regenerate.
201
202 2012-11-05  Alan Modra  <amodra@gmail.com>
203
204         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
205         (struct Opd_ent): Use "Address" rather than "Offset".
206         (Output_data_got_powerpc::got_base_offset): Return Valtype.
207         (Target_powerpc::got_section): Make public.
208         (Target_powerpc::scan_relocs): Move code setting symbols..
209         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
210         Create _SDA_BASE_ only when referenced.
211
212 2012-11-02  Roland McGrath  <mcgrathr@google.com>
213
214         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
215         from last change.
216
217 2012-11-01  Roland McGrath  <mcgrathr@google.com>
218
219         * target.h (Sized_target::relocate_relocs): Use Elf_Off
220         for offset_in_output_section parameter.
221         (Sized_target::relocate_special_relocatable): Likewise.
222         * arm.cc (Target_arm::relocate_relocs): Likewise.
223         (Target_arm::relocate_special_relocatable): Likewise.
224         * i386.cc (Target_i386::relocate_relocs): Likewise.
225         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
226         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
227         * target-reloc.h (relocate_relocs): Likewise.
228         * testsuite/testfile.cc (Target_test): Likewise.
229         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
230         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
231
232         * system.h: Move inclusion of <clocale> to after <libintl.h> in
233         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
234
235         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
236         parameter, which is unused in the [!F_SETFD] case.
237
238         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
239         SYMNDX to off_t before comparing it to this->data_size().
240         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
241         * incremental.cc (Output_section_incremental_inputs::do_write):
242         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
243
244         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
245
246 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
247
248         * gold.cc (Target_arm::do_adjust_elf_header): Add the
249         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
250         in EABI_VER5.
251
252 2012-10-29  Cary Coutant  <ccoutant@google.com>
253
254         * dwp.cc (usage): Add file and exit status parameters;
255         add --help and --version options.
256         (print_version): New function.
257         (main): Add --help and --version options.
258
259 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
260
261         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
262         final_layout_sequence.txt.
263         * testsuite/Makefile.in: Regenerated.
264
265 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
266
267         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
268         COMPILE generated by automake.
269         (LINK1): Likewise.
270         (CXXCOMPILE1): Likewise.
271         (CXXLINK1): Likewise.
272         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
273         (LINK): Likewise.
274         (CXXCOMPILE): Likewise.
275         (CXXLINK): Likewise.
276         * testsuite/Makefile.in: Regenerated.
277
278 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
279
280         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
281         on bad fwrite return.
282
283 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
284
285         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
286         on val.
287
288 2012-10-23  Cary Coutant  <ccoutant@google.com>
289
290         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
291         * testsuite/Makefile.in: Regenerate.
292         * testsuite/dwp_test.h: New source file.
293         * testsuite/dwp_test_1.cc: New source file.
294         * testsuite/dwp_test_1.s: New source file.
295         * testsuite/dwp_test_1.sh: New source file.
296         * testsuite/dwp_test_1b.cc: New source file.
297         * testsuite/dwp_test_1b.s: New source file.
298         * testsuite/dwp_test_2.cc: New source file.
299         * testsuite/dwp_test_2.s: New source file.
300         * testsuite/dwp_test_2.sh: New source file.
301         * testsuite/dwp_test_main.cc: New source file.
302         * testsuite/dwp_test_main.s: New source file.
303
304 2012-10-23  Cary Coutant  <ccoutant@google.com>
305
306         * dwp.h: New header file.
307         * dwp.cc: New source file.
308         * gold.h: Move shared declarations to system.h.
309         * system.h: New header file.
310         * Makefile.am: Add dwp.
311         * Makefile.in: Regenerate.
312
313 2012-10-23  Cary Coutant  <ccoutant@google.com>
314
315         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
316         Dwarf_info_reader::read_from_pointer.
317         (Dwarf_pubnames_table::read_header): Likewise.
318         (Dwarf_pubnames_table::next_name): Likewise.
319         (Dwarf_die::read_attributes): Likewise.
320         (Dwarf_die::skip_attributes): Likewise.
321         (Dwarf_info_reader::read_from_pointer): New function template.
322         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
323         (Dwarf_pubnames_table): Likewise.
324         (Dwarf_info_reader::read_from_pointer): New function template.
325         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
326         Dwarf_pubnames_table ctor.
327
328 2012-10-23  Cary Coutant  <ccoutant@google.com>
329
330         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
331         abbrev_shndx.
332         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
333         abbrev_shndx_.
334         (Dwarf_info_reader::set_abbrev_shndx): New method.
335         (Dwarf_info_reader::abbrev_shndx_): New data member.
336
337 2012-10-23  Cary Coutant  <ccoutant@google.com>
338
339         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
340         from object, not parameters.
341         (Dwarf_info_reader::parse): Likewise.
342         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
343         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
344         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
345         methods.
346
347 2012-10-23  Cary Coutant  <ccoutant@google.com>
348
349         * fileread.cc (Input_file::Input_file): New constructor.
350         * fileread.h (class Input_file): Add new constructor.
351
352 2012-10-18  Alan Modra  <amodra@gmail.com>
353
354         PR gold/14727
355         * object.cc (Relobj::is_section_name_included): Also match
356         .sdata personality section.
357
358 2012-10-18  Alan Modra  <amodra@gmail.com>
359
360         * target-reloc.h (class Default_comdat_behavior): New, package up..
361         (get_comdat_behaviour): ..this.
362         (relocate_section): Add Relocate_comdat_behavior template arg,
363         adjust code to suit.
364         * arm.cc (Target_arm::relocate_section): Adjust to suit.
365         (Target_arm::scan_reloc_section): Likewise.
366         * i386.cc (Target_i386::relocate_section): Likewise.
367         * sparc.cc (Target_sparc::relocate_section): Likewise.
368         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
369         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
370         * powerpc.cc (class Relocate_comdat_behavior): New.
371         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
372         gold::relocate_section with new template arg.
373
374 2012-10-18  Alan Modra  <amodra@gmail.com>
375
376         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
377         dynamic relocs for GOT_TPREL got entries, without symbol if
378         resolving locally.
379         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
380         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
381         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
382
383 2012-10-17  Alan Modra  <amodra@gmail.com>
384
385         PR gold/14726
386         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
387
388 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
389
390         * layout.cc (Layout::include_section): Keep sections marked
391         SHF_EXCLUDE when doing relocatable links.
392
393 2012-10-16  Alan Modra  <amodra@gmail.com>
394
395         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
396         (Target_powerpc::do_finalize_sections): Call it.
397         (Output_data_save_res): New class and supporting functions.
398         (Target_powerpc::symval_for_branch): Only look up .opd entry for
399         normal symbols defined in object files.
400
401 2012-10-12  Alan Modra  <amodra@gmail.com>
402
403         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
404         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
405         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
406         section if scan_opd_relocs not yet called.
407         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
408
409 2012-10-12  Alan Modra  <amodra@gmail.com>
410
411         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
412         add_local_ifunc_entry): Revert last change.
413         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
414
415 2012-10-05  Alan Modra  <amodra@gmail.com>
416
417         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
418         do_plt_address_for_global): New functions.
419         (Output_data_got_powerpc::do_write): Don't segfault when linking
420         statically.
421         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
422         add_local_ifunc_entry): Return true on adding entry..
423         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
424         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
425         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
426         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
427         set up symbols here.
428         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
429         syms here.  Do so even when no .iplt.  Don't segfault when linking
430         statically.
431         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
432         new variants without reloc param.
433         (Glink_sym_ent::Glink_sym_ent): Likewise.
434         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
435         reloc when refs will resolve to plt call stub.
436         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
437         R_PPC_PLTREL24 to resolve locally.
438         (Target_powerpc::Scan::global): Correct ifunc handling.
439         (Target_powerpc::Relocate::relocate): Correct local sym glink
440         lookup.  Don't destroy "value" when we have a plt call stub,
441         and when checking plt call validity.
442         (Target_powerpc::do_dynsym_value): Simplify.
443
444 2012-10-05  Alan Modra  <amodra@gmail.com>
445
446         * i386.cc (Output_data_plt_i386::address_for_global,
447         address_for_local): Add plt offset to returned value.  Adjust uses.
448         * sparc.cc (Output_data_plt_sparc::address_for_global,
449         address_for_local): Likewise.
450         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
451         address_for_local): Likewise.
452         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
453         address_for_local): Likewise.
454         * target.h (Target::plt_address_for_global, plt_address_for_local):
455         Update comment.
456         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
457         (Output_data_got::Got_entry::write): Nor here.
458         * output.h: Comment fix.
459
460 2012-10-02  Jiong Wang  <jiwang@tilera.com>
461
462         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
463         global_offset_table_ value for larget got.
464         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
465
466 2012-09-29  Alan Modra  <amodra@gmail.com>
467
468         * powerpc.cc (Target_powerpc::iplt_): New output section.
469         (Target_powerpc::iplt_section, make_iplt_section,
470         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
471         (Target_powerpc::make_plt_entry): Handle ifunc syms.
472         Target_powerpc::plt_entry_count): Count iplt entries too.
473         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
474         reloc section in constructor.  New params.
475         (Target_powerpc::make_plt_section): Create reloc section here instead.
476         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
477         functions.
478         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
479         (Output_data_glink::add_entry, find_entry): New functions to
480         deal with local syms.
481         (Glink_sym_ent): Add support for local syms.
482         (Output_data_glink::do_write): Handle ifunc plt entries.
483         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
484         (Target_powerpc::Scan::local, global): Handle ifunc syms.
485         (Target_powerpc::Relocate::relocate): Likewise.
486         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
487
488 2012-09-25  Alan Modra  <amodra@gmail.com>
489
490         * object.h (Sized_relobj_file::adjust_local_symbol,
491         do_adjust_local_symbol): New functions.
492         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
493         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
494         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
495         and irregular opd entry spacing.
496         (Powerpc_relobj::do_read_relocs): Add opd size checks.
497         (Global_symbol_visitor_opd): New functor.
498         (Target_powerpc::do_finalize_sections): Omit global symbols defined
499         on deleted opd entries.
500
501 2012-09-15  Jiong Wang  <jiwang@tilera.com>
502
503         * tilegx.cc: New file.
504         * Makefile.am (TARGETSOURCES): Add tilegx.cc
505         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
506         * configure.tgt: Add entries for tilegx*.
507         * configure.ac: Likewise.
508         * Makefile.in: Rebuild.
509         * configure: Likewise.
510         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
511         tilegx.
512
513 2012-09-13  Alan Modra  <amodra@gmail.com>
514
515         * target-reloc.h (scan_relocs): Call scan.local for relocs
516         against symbols in discarded sections.  Pass is_discarded
517         param.
518         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
519         Add is_discarded param.
520         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
521         is_discarded to flag opd entry as discarded.  Don't emit dyn
522         relocs on such entries.
523         (Target_powerpc::Scan::global): Similarly detect and handle
524         such opd entries.
525         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
526         opd_ent_.  Update all uses.
527         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
528         (Target_powerpc::relocate_section): Zero out discarded opd
529         entry relocs.
530
531 2012-09-12  Ian Lance Taylor  <iant@google.com>
532
533         PR gold/14570
534         * output.cc: Rename Output_data_got template parameter from size
535         to got_size for all functions.  Compile all variants of
536         Output_data_got.
537         (Output_data_got::Got_entry::write): Correct use of size for
538         symbol value.  Use local_is_tls rather than casting to
539         Sized_relobj_file.
540         * object.h (class Object): Add local_is_tls and do_local_is_tls.
541         (class Sized_relobj_file): Add do_local_is_tls.
542         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
543
544 2012-09-11  Alan Modra  <amodra@gmail.com>
545
546         PR gold/14566
547         * layout.cc (Layout::set_segment_offsets): When using
548         common-page-size alignment, ensure we are on a new max-page-size
549         page.
550         * output.cc (Output_segment::set_section_addresses): Use
551         abi_pagesize, not common_pagesize for relro boundary.
552         (Output_segment::set_offset): Likewise.
553
554 2012-09-11  Alan Modra  <amodra@gmail.com>
555
556         * output.h (Output_data_got::add_global_tls, add_local_tls,
557         add_local_tls_pair): New functions.
558         (Output_data_got::add_local_pair_with_rel): Remove second
559         reloc param.  Expand comment.
560         (Output_data_got::Got_entry): Rename use_plt_offset_ to
561         use_plt_or_tls_offset_, similarly for constructor param.
562         (Output_data_got::Got_entry::write): Add got_index param.
563         * output.cc (Output_data_got::add_global_tls, add_local_tls,
564         add_local_tls_pair): New functions.
565         (Output_data_got::Got_entry::write): Handle tls symbols
566         with use_plt_or_tls_offset_ set specially.
567         (Output_data_got::add_local_pair_with_rel): Only one reloc.
568         (Output_data_got::do_write): Replace iterator with index, pass
569         index to entry write function.
570         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
571         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
572         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
573         call.
574         * i386.cc (Target_i386::Scan::local): Likewise.
575         * sparc.cc (Target_sparc::Scan::local): Likewise.
576         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
577         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
578         do_tls_offset_for_global): New functions.
579         (Target_powerpc::Scan::local): Correct TLS relocations and got
580         entry values.
581         (Target_powerpc::Scan::global): Don't emit unnecessary
582         dynamic relocations on TLS GOT entries.
583
584 2012-09-10  Matthias Klose  <doko@ubuntu.com>
585
586         * config.in: Disable sanity check for kfreebsd.
587
588 2012-09-10  Sterling Augustine  <saugustine@google.com>
589
590         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
591         (Gdb_index::pubtypes_read): New parameter.
592         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
593         to calls.
594         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
595         pubtypes_object_.
596
597 2012-09-09  Alan Modra  <amodra@gmail.com>
598
599         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
600         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
601         * gc.h (gc_process_relocs): Call target gc_add_reference.
602         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
603         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
604         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
605         unnecessary cast.
606         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
607         to cater for when we don't need code offset.  Update use.
608         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
609         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
610         set_opd_valid): New functions.
611         (Target_powerpc::do_gc_add_reference): New function.
612         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
613         stashed refs.
614         (Target_powerpc::do_gc_mark_symbol): New function.
615
616 2012-09-06  Cary Coutant  <ccoutant@google.com>
617
618         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
619         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
620         (Dwarf_die::skip_attributes): Likewise.
621         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
622         * testsuite/gdb_index_test.cc (inline_func_1): New function.
623         (main): Call it.
624         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
625
626 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
627
628         * testsuite/script_test_3.t: Add .got.plt output section
629         statement.
630         * testsuite/script_test_4.t: Likewise.
631
632 2012-09-05  Alan Modra  <amodra@gmail.com>
633
634         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
635         update all uses and lose "enum" when using type.
636
637 2012-09-05  Alan Modra  <amodra@gmail.com>
638
639         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
640         * configure: Regenerate.
641         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
642         (plugin_final_layout.stdout): Likewise.
643         (memory_test): Set page sizes to 0x1000.
644         * testsuite/Makefile.in: Regenerate.
645         * testsuite/discard_locals_test.sh: Add FIXME comment.
646         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
647         * testsuite/pr14265.t: Add .got output section statement.
648         * testsuite/script_test_2.t: Likewise.
649         * testsuite/script_test_3.t: Likewise.
650         * testsuite/script_test_4.t: Likewise.
651         * testsuite/script_test_5.t: Likewise.
652         * testsuite/script_test_6.t: Likewise.
653         * testsuite/script_test_7.t: Likewise.
654         * testsuite/script_test_9.t: Likewise.
655
656 2012-09-05  Alan Modra  <amodra@gmail.com>
657
658         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
659         (Powerpc_relocate_functions::Status): New typedef.
660         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
661         (Target_powerpc::Scan::local): Handle REL64.
662         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
663         for REL32 and REL64.
664         (Target_powerpc::symval_for_branch): New function, extracted from..
665         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
666         checks.  Report overflow errors.
667
668 2012-09-05  Alan Modra  <amodra@gmail.com>
669
670         * object.h (Sized_relobj_file::emit_relocs): Delete.
671         (Sized_relobj_file::emit_relocs_reltype): Delete.
672         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
673         relocate_relocs for --emit-relocs.
674         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
675         * output.h: Update comment.
676         (Output_segment::first_section): New function.
677         (Output_segment::first_section_load_address): Use first_section.
678         * output.cc (Output_segment::first_section): New function extracted..
679         (Output_segment::first_section_load_address): ..from here.  Delete.
680         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
681         * target.h (Sized_target::relocate_for_relocatable): Likewise.
682         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
683         adjust call to target.h function.
684         * i386.cc (Target_i386): Likewise.
685         * sparc.cc (Target_sparc): Likewise.
686         * x86_64.cc (Target_x86_64): Likewise.
687         * powerpc.cc (Target_powerpc): Likewise.
688         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
689         first tls section has section symbol for optimised local dynamic
690         output relocs.
691         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
692         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
693         optimised tls code.
694         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
695         Rename to relocate_relocs.  Update error message.
696
697 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
698
699         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
700         --just-symbols.
701
702 2012-08-31  Alan Modra  <amodra@gmail.com>
703
704         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
705         (Powerpc_relobj::toc_base_offset): New stub function.
706         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
707         got_mod_index_offset to tlsld_got_offset.  Update all refs.
708         (Target_powerpc::Relocate::enum skip_tls): New.
709         (Target_powerpc::call_tls_get_addr_): New var.
710         (Target_powerpc::is_branch_reloc): Move to file scope.
711         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
712         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
713         New functions.
714         (Target_powerpc::enum Got_type): Delete old values, add new ones.
715         (powerpc_info): Correct common_pagesize for ppc64.
716         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
717         (Powerpc_relocate_functions): Add overflow check enums and functions.
718         Add non-shift version of rela, rela_ua.  Delete all rel public
719         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
720         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
721         addr16_ha3, addr14 functions.
722         (Output_data_got_powerpc::add_constant_pair): New function.
723         (Output_data_got_powerpc::got_base_offset): Likewise.
724         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
725         (instruction constants): Sort, add some more.
726         (Output_data_glink::do_write): Add and use Address typedef.  Use
727         object->toc_base_offset() stub for 64-bit.
728         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
729         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
730         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
731         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
732         Always treat .opd relocs as against locally defined symbol.
733         Correct condition for RELATIVE relocs.
734         (Target_powerpc::do_finalize_sections): Test for NULL sections.
735         (Target_powerpc::Relocate::relocate): Use plt call stub as value
736         for 32-bit syms with a plt entry.  Correct ppc64 toc base
737         calculations.  Handle TLS relocs, and more.  Add overflow
738         checking and adjust for Powerpc_relocate_functions changes.
739         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
740         Reinstate --emit-relocs code with FIXME.
741
742 2012-08-30  Alan Modra  <amodra@gmail.com>
743
744         * layout.cc (Layout::set_segment_offsets): Set p_align to
745         abi_pagesize, not common_pagesize.
746         (Layout::relaxation_loop_body): Similarly use abi_pagesize
747         to determine whether file header can go in segment.
748
749 2012-08-30  Alan Modra  <amodra@gmail.com>
750
751         * output.h (Output_reloc::Output_reloc <output section>): Add
752         is_relative param.  Adjust calls.
753         (Output_reloc::add_output_section_relative): New functions.
754         * output.cc (Output_reloc::Output_reloc <output section>): Handle
755         is_relative.
756         (Output_reloc::symbol_value): Handle SECTION_CODE.
757
758 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
759
760         * gold.cc (queue_middle_tasks): Call layout again when unique
761         segments for sections is desired.
762         * layout.cc (Layout::Layout): Initialize new members.
763         (Layout::get_output_section_flags): New function.
764         (Layout::choose_output_section): Call get_output_section_flags.
765         (Layout::layout): Make output section for mapping to a unique segment.
766         (Layout::insert_section_segment_map): New function.
767         (Layout::attach_allocated_section_to_segment): Make unique segment for
768         output sections marked so.
769         (Layout::segment_precedes): Check for unique segments when sorting.
770         * layout.h (Layout::Unique_segment_info): New struct.
771         (Layout::Section_segment_map): New typedef.
772         (Layout::insert_section_segment_map): New function.
773         (Layout::get_output_section_flags): New function.
774         (Layout::is_unique_segment_for_sections_specified): New function.
775         (Layout::set_unique_segment_for_sections_specified): New function.
776         (Layout::unique_segment_for_sections_specified_): New member.
777         (Layout::section_segment_map_): New member.
778         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
779         Rename is_gc_pass_one to is_pass_one.
780         Rename is_gc_pass_two to is_pass_two.
781         Rename is_gc_or_icf to is_two_pass.
782         Check for which pass based on whether symbols data is present.
783         Make it two pass when unique segments for sections is desired.
784         * output.cc (Output_section::Output_section): Initialize new
785         members.
786         * output.h (Output_section::is_unique_segment): New function.
787         (Output_section::set_is_unique_segment): New function.
788         (Output_section::is_unique_segment_): New member.
789         (Output_section::extra_segment_flags): New function.
790         (Output_section::set_extra_segment_flags): New function.
791         (Output_section::extra_segment_flags_): New member.
792         (Output_section::segment_alignment): New function.
793         (Output_section::set_segment_alignment): New function.
794         (Output_section::segment_alignment_): New member.
795         (Output_segment::Output_segment): Initialize is_unique_segment_.
796         (Output_segment::is_unique_segment): New function.
797         (Output_segment::set_is_unique_segment): New function.
798         (Output_segment::is_unique_segment_): New member.
799         * plugin.cc (allow_unique_segment_for_sections): New function.
800         (unique_segment_for_sections): New function.
801         (Plugin::load): Add new functions to transfer vector.
802         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
803         * Makefile.in: Regenerate.
804         * testsuite/plugin_final_layout.sh: Check if unique segment
805         functionality works.
806         * testsuite/plugin_section_order.c (onload): Check if new interfaces
807         are available.
808         (allow_unique_segment_for_sections): New global.
809         (unique_segment_for_sections): New global.
810         (claim_file_hook): Call allow_unique_segment_for_sections.
811         (all_symbols_read_hook): Call unique_segment_for_sections.
812
813 2012-08-22  Cary Coutant  <ccoutant@google.com>
814
815         * layout.cc (Layout::include_section): Don't assert on GROUP
816         sections with --emit-relocs.
817
818 2012-08-21  Cary Coutant  <ccoutant@google.com>
819
820         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
821         if --export-dynamic-symbol names an undef symbol.
822
823 2012-08-18  Alan Modra  <amodra@gmail.com>
824
825         * powerpc.cc: Formatting and white space.
826         (Powerpc_relobj): Rename got2_section_ to special_.
827         Add opd_ent_shndx_ and opd_ent_off_ vectors.
828         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
829         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
830         (Target_powerpc): Add Address typedef and invalid_address.  Use
831         throughout.
832         (Target_powerpc::is_branch_reloc): New function.
833         (Powerpc_relocate_functions): Add Address typedef, use throughout.
834         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
835         for dst_mask, value and addend.
836         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
837         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
838         (Output_data_glink::do_write): Correct toc base.  Don't try to use
839         uint16_t for 24-bit offset.  Use get_output_section_offset and
840         check return.
841         (Target_powerpc::Scan::local): Handle more relocs.
842         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
843         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
844         Plug in toc restoring insn after plt calls.  Translate branches
845         to function descriptor symbols to corresponding entry point.
846         (Target_powerpc::relocate_for_relocatable): Check return from
847         get_output_section_offset.
848         * symtab.h: Comment typo.
849
850 2012-08-14  Ian Lance Taylor  <iant@google.com>
851
852         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
853         unsupported_relocal_local to call unsupported_reloc_global.
854
855 2012-08-14  Nick Clifton  <nickc@redhat.com>
856
857         PR ld/14265
858         * script-sections.cc (Sections_element::output_section_name): Add
859         keep return parameter.
860         (Output_section_element::match_name): Add keep return parameter.
861         Return the value of the keep_ member.
862         * script-sections.h (class Output_section): Update
863         output_section_name prototype.
864         * layout.cc (Layout::keep_input_section): New public member
865         function.
866         (Layout::choose_output_section): Pass keep parameter to
867         output_section_name.
868         * layout.h (class Layout): Add keep_input_section.
869         * object.cc (Sized_relobj_file::do_layout): Check for kept input
870         sections.
871         * testsuite/Makefile.am: Add a test.
872         * testsuite/Makefile.in: Regenerate.
873         * testsuite/pr14265.c: Source file for the test.
874         * testsuite/pr14265.t: Linker script for the test.
875         * testsuite/pr14265.sh: Shell script for the test.
876
877 2012-08-14  Alan Modra  <amodra@gmail.com>
878
879         * target.h (Target::output_section_name): New function.
880         (Target::do_output_section_name): New function.
881         * layout.cc (Layout::choose_output_section): Call the above.
882         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
883
884 2012-08-14  Alan Modra  <amodra@gmail.com>
885
886         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
887         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
888         for replace_constant call.
889         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
890         (Output_data_glink::do_print_to_mapfile): New function.
891         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
892         (Target_powerpc::Relocate::relocate): Likewise.
893
894 2012-08-14  Alan Modra  <amodra@gmail.com>
895
896         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
897         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
898         (Output_data_glink::add_entry,find_entry): Remove shndx param.
899         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
900         all references to shndx_.  Handle special case for R_PPC_PLTREL24
901         here.
902         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
903         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
904         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
905         here.
906         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
907         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
908
909 2012-08-12  Alan Modra  <amodra@gmail.com>
910
911         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
912         (glink insn constants): Use uint32_t.
913         (Output_data_glink::add_entry): Use insert, not [] operator.
914
915 2012-08-11  Alan Modra  <amodra@gmail.com>
916
917         * object.h (Sized_relobj_file::find_shdr): New function.
918         (Sized_relobj_file::find_special_sections): New function.
919         * object.cc (Sized_relobj_file::find_shdr): New function.
920         (Sized_relobj_file::find_eh_frame): Use find_shdr.
921         (Sized_relobj_file::find_special_sections): New function, split out..
922         (Sized_relobj_file::do_read_symbols): ..from here.
923         * output.h (Output_data_got::replace_constant): New function.
924         (Output_data_got::num_entries): New function.
925         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
926         (Output_data_got::got_offset): Protected rather than private.
927         (Output_data_got::replace_got_entry): New function.
928         * output.cc (Output_data_got::replace_got_entry): New function.
929         * powerpc.cc (class Powerpc_relobj): New.
930         (class Powerpc_relocate_functions): Delete all psymval variants or
931         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
932         Implement _ha functions using corresponding _hi function.
933         (Powerpc_relobj::find_special_sections): New function.
934         (Target_powerpc::do_make_elf_object): New function.
935         (class Output_data_got_powerpc): New.
936         (class Output_data_glink): New.
937         (class Powerpc_scan_relocatable_reloc): New.
938         Many more changes througout file.
939
940 2012-08-09  Nick Clifton  <nickc@redhat.com>
941
942         * po/vi.po: Updated Vietnamese translation.
943
944 2012-08-07  Ian Lance Taylor  <iant@google.com>
945
946         * layout.cc (Layout::add_target_dynamic_tags): If
947         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
948         plt_rel.
949
950 2012-07-30  Nick Clifton  <nickc@redhat.com>
951
952         * po/gold.pot: Updated template.
953         * po/es.po: Updated Spanish translation.
954
955 2012-07-18  Cary Coutant  <ccoutant@google.com>
956
957         PR gold/14344
958         * configure.ac: Add check for -gpubnames support.
959         * configure: Regenerate.
960         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
961         support; force -gno-pubnames.
962         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
963         support.
964         (gdb_index_test_4): New test.
965         * testsuite/Makefile.in: Regenerate.
966         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
967         * testsuite/gdb_index_test_2.sh: Likewise.
968         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
969         * testsuite/gdb_index_test_4.sh: New script.
970         * testsuite/gdb_index_test_comm.sh: New script with common code;
971         don't look for space after colon.
972
973 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
974
975         * gold.cc (queue_middle_tasks): Update function order only after
976         deferred objects due to plugins are processed.
977
978 2012-07-11  Ian Lance Taylor  <iant@google.com>
979
980         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
981         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
982         (Target_arm::scan_reloc_for_stub): Likewise.
983         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
984         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
985         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
986         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
987         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
988
989 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
990             Ian Lance Taylor  <iant@google.com>
991
992         PR gold/14309
993         * configure.ac: Test whether std::tr1::hash<off_t> works.
994         * gold.h: Add a specialization for std::tr1::hash<off_t> if
995         needed.
996         * output.h (class Output_fill): Add virtual destructor.
997         * configure, config.in: Rebuild.
998
999 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1000
1001         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1002
1003 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1004
1005         * plugin.cc (Plugin::load): Handle position independent executables.
1006
1007 2012-06-06  Cary Coutant  <ccoutant@google.com>
1008
1009         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1010         add .debug_macro.
1011         (lines_only_debug_sections): Likewise.
1012         (gdb_fast_lookup_sections): New static array.
1013         (is_gdb_debug_section): Rename formal parameter.
1014         (is_lines_only_debug_section): Likewise.
1015         (is_gdb_fast_lookup_section): New function.
1016         (Layout::include_section): Check for ".zdebug_" prefix; pass
1017         section name suffix to is_gdb_debug_section, et al.; check for
1018         fast-lookup sections when building .gdb_index.
1019         * options.h (--strip-debug-gdb): Update GDB version number.
1020
1021 2012-06-06  Cary Coutant  <ccoutant@google.com>
1022
1023         * configure.ac: Add check for fallocate.
1024         * configure: Regenerate.
1025         * config.in: Regenerate.
1026
1027         * options.h (class General_options): Add --mmap-output-file and
1028         --posix-fallocate options.
1029         * output.cc: (posix_fallocate): Remove; replace with...
1030         (gold_fallocate): New function.
1031         (Output_file::map_no_anonymous): Call gold_fallocate.
1032         (Output_file::map): Check --mmap-output-file option.
1033
1034 2012-06-05  Jing Yu  <jingyu@google.com>
1035
1036         * gold.h (textdomain): Add do {} to empty while(0).
1037         (bindtextdomain): Likewise.
1038
1039 2012-06-04  Cary Coutant  <ccoutant@google.com>
1040
1041         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1042         has_dynsym_index.
1043
1044 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1045
1046         * symtab.cc (Symbol_table::define_special_symbol):
1047         Initialize *poldsym to prevent uninitialized variable errors.
1048
1049 2012-05-23  Cary Coutant  <ccoutant@google.com>
1050
1051         * layout.cc (Layout::section_name_mapping): Add rules to handle
1052         exact match on .data.rel.ro.local or .data.rel.ro.
1053         (Layout::output_section_name): Check for exact matches.
1054
1055 2012-05-23  Cary Coutant  <ccoutant@google.com>
1056
1057         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1058         more carefully.
1059
1060 2012-05-22  Cary Coutant  <ccoutant@google.com>
1061
1062         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1063         object before exporting symbol.
1064
1065 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         * testsuite/tls_test.cc: Include "config.h" first.
1068         * testsuite/tls_test_c.c: Likewise.
1069
1070 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1071             Nick Clifton  <nickc@redhat.com>
1072
1073         PR 14072
1074         * configure.in: Add check that sysdep.h has been included before
1075         any system header files.
1076         * configure: Regenerate.
1077         * config.in: Regenerate.
1078
1079 2012-05-14  Cary Coutant  <ccoutant@google.com>
1080
1081         * layout.cc (Layout::make_output_section): Mark .tdata section
1082         as RELRO.
1083         * testsuite/relro_test.cc: Add a TLS variable.
1084
1085 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1086
1087         PR gold/14091
1088         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1089         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1090         R_X86_64_64.
1091
1092 2012-05-08  Cary Coutant  <ccoutant@google.com>
1093
1094         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1095         (lines_only_debug_sections): Likewise.
1096
1097 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1098
1099         * nacl.cc: New file.
1100         * nacl.h: New file.
1101         * Makefile.am (CCFILES, HFILES): Add them.
1102         * Makefile.in: Regenerate.
1103         * i386.cc (Output_data_plt_i386_nacl): New class.
1104         (Output_data_plt_i386_nacl_exec): New class.
1105         (Output_data_plt_i386_nacl_dyn): New class.
1106         (Target_i386_nacl): New class.
1107         (Target_selector_i386_nacl): New class.
1108         (target_selector_i386): Use it instead of Target_selector_i386.
1109         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1110         (Target_x86_64_nacl): New class.
1111         (Target_selector_x86_64_nacl): New class.
1112         (target_selector_x86_64, target_selector_x32): Use it instead of
1113         Target_selector_x86_64.
1114         * arm.cc (Output_data_plt_arm_nacl): New class.
1115         (Target_arm_nacl): New class.
1116         (Target_selector_arm_nacl): New class.
1117         (target_selector_arm, target_selector_armbe): Use it instead of
1118         Target_selector_arm.
1119
1120         * target-select.cc (select_target): Take new Input_file* and off_t
1121         arguments, pass them on to recognize method of selector.
1122         * object.cc (make_elf_sized_object): Update caller.
1123         * parameters.cc (parameters_force_valid_target): Likewise.
1124         * incremental.cc (make_sized_incremental_binary): Likewise.
1125         * target-select.h: Update decl.
1126         (Target_selector::recognize): Take new Input_file* argument,
1127         pass it on to do_recognize.
1128         (Target_selector::do_recognize): Take new Input_file* argument.
1129         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1130         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1131         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1132         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1133
1134         * target.h (Target::Target_info): New members isolate_execinstr
1135         and rosegment_gap.
1136         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1137         * arm.cc (Target_arm::arm_info): Update initializer.
1138         * i386.cc (Target_i386::i386_info): Likewise.
1139         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1140         * sparc.cc (Target_sparc::sparc_info): Likewise.
1141         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1142         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1143         * layout.cc (Layout::attach_allocated_section_to_segment):
1144         Take new const Target* argument.  If target->isolate_execinstr(), act
1145         like --rosegment.
1146         (Layout::find_first_load_seg): Take new const Target* argument;
1147         if target->isolate_execinstr(), reject PF_X segments.
1148         (Layout::relaxation_loop_body): Update caller.
1149         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1150         reset file offset to zero when we hit LOAD_SEG, and then do a second
1151         loop over the segments before LOAD_SEG to reassign offsets after
1152         addresses have been determined.  Handle target->rosegment_gap().
1153         (Layout::attach_section_to_segment): Take new const Target* argument;
1154         pass it to attach_allocated_section_to_segment.
1155         (Layout::make_output_section): Update caller.
1156         (Layout::attach_sections_to_segments): Take new const Target* argument;
1157         pass it to attach_section_to_segment.
1158         * gold.cc (queue_middle_tasks): Update caller.
1159         * layout.h (Layout): Update method decls with new arguments.
1160
1161         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1162         Target_info pointer to use.
1163         (Target_arm::do_make_data_plt): New virtual method.
1164         (Target_arm::make_data_plt): New method that calls it.
1165         (Target_arm::make_plt_entry): Use it.
1166         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1167         for the section alignment.
1168         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1169         method.
1170         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1171         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1172         method.
1173         (Output_data_plt_arm::get_plt_entry_size): Call it.
1174         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1175         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1176         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1177         method.
1178         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1179         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1180         method instead of sizeof(plt_entry).
1181         (Output_data_plt_arm::add_entry): Likewise.
1182         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1183         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1184         than static method.
1185         (Target_arm::plt_entry_size): Likewise.
1186         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1187         Move to ...
1188         (Output_data_plt_arm_standard): ... here, new class.
1189         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1190         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1191         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1192
1193         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1194         Take additional argument for the PLT entry size.
1195         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1196         Use get_plt_entry_size method rather than plt_entry_size variable.
1197         (Output_data_plt_x86_64::reserve_slot): Likewise.
1198         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1199         (Output_data_plt_x86_64::add_entry): Likewise.
1200         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1201         (Output_data_plt_x86_64::address_for_global): Likewise.
1202         (Output_data_plt_x86_64::address_for_local): Likewise.
1203         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1204         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1205         Make method non-static.
1206         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1207         method.
1208         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1209         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1210         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1211         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1212         virtual method.
1213         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1214         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1215         virtual method.
1216         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1217         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1218         virtual method.
1219         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1220         (Output_data_plt_x86_64::plt_entry_size)
1221         (Output_data_plt_x86_64::first_plt_entry)
1222         (Output_data_plt_x86_64::plt_entry)
1223         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1224         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1225         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1226         (Output_data_plt_x86_64_standard): ... here, new class.
1227         (Target_x86_64::Target_x86_64): Take optional argument for the
1228         Target_info pointer to use.
1229         (Target_x86_64::do_make_data_plt): New virtual method.
1230         (Target_x86_64::make_data_plt): New method to call it.
1231         (Target_x86_64::init_got_plt_for_update): Use that.
1232         Call this->plt_->add_eh_frame method here.
1233         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1234         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1235         rather than static method.
1236         (Target_x86_64::plt_entry_size): Likewise.
1237         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1238         rather than plt_entry_size variable.  Move guts of PLT filling to...
1239         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1240         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1241         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1242
1243         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1244         additional argument for the section alignment.
1245         Don't do add_eh_frame_for_plt here.
1246         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1247         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1248         variable.
1249         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1250         method.
1251         (Output_data_plt_i386::get_plt_entry_size): Call it.
1252         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1253         (Output_data_plt_i386::add_eh_frame): New method to call it.
1254         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1255         method.
1256         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1257         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1258         method.
1259         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1260         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1261         method instead of plt_entry_size.
1262         (Output_data_plt_i386::plt_entry_size)
1263         (Output_data_plt_i386::plt_eh_frame_fde_size)
1264         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1265         (Output_data_plt_i386_standard): ... here, new class.
1266         (Output_data_plt_i386_exec): New class.
1267         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1268         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1269         (Output_data_plt_i386::exec_plt_entry): Move to ...
1270         (Output_data_plt_i386_exec::plt_entry): ... here.
1271         (Output_data_plt_i386_dyn): New class.
1272         (Output_data_plt_i386::first_plt_entry): Move to ...
1273         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1274         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1275         (Output_data_plt_i386_dyn::plt_entry): ... here.
1276         (Target_i386::Target_i386): Take optional argument for the Target_info
1277         pointer to use.
1278         (Target_i386::do_make_data_plt): New virtual method.
1279         (Target_i386::make_data_plt): New method to call it.
1280         (Target_i386::make_plt_section): Use that.
1281         Call this->plt_->add_eh_frame method here.
1282         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1283         rather than plt_entry_size variable.
1284         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1285         (Output_data_plt_i386::address_for_local): Likewise.
1286         (Output_data_plt_i386::do_write): Likewise.
1287         Move guts of PLT filling to...
1288         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1289         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1290         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1291         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1292
1293 2012-05-01  Cary Coutant  <ccoutant@google.com>
1294
1295         * dwarf_reader.cc (Dwarf_die::read_attributes)
1296         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1297         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1298         * reduced_debug_output.cc
1299         (Output_reduced_debug_info_section::get_die_end): Remove
1300         DW_FORM_GNU_ref_index.  Add default case.
1301
1302 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1303
1304         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1305         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1306         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1307         DW_AT_high_pc as offset from DW_AT_low_pc.
1308
1309         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1310         * testsuite/Makefile.in: Regenerate.
1311         * testsuite/gdb_index_test_3.c: New test source file.
1312         * testsuite/gdb_index_test_3.sh: New test source file.
1313
1314 2012-04-25  Ian Lance Taylor  <iant@google.com>
1315
1316         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1317         pointer.
1318         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1319         as a class, not a struct.
1320         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1321         (Target_arm::apply_cortex_a8_workaround): Likewise.
1322         * gc.h: Declare Reloc_types as a struct, not a class.
1323         * object.h: Declare Symbols_data as a struct.
1324         * reloc.h: Declare Read_relocs_data as a struct.
1325         * target.h: Declare Relocate_info as a struct.
1326
1327 2012-04-24  David S. Miller  <davem@davemloft.net>
1328
1329         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1330         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1331         and R_SPARC_WPLT30.
1332
1333 2012-04-24  Cary Coutant  <ccoutant@google.com>
1334
1335         * incremental-dump.cc (find_input_containing_global): Replace
1336         magic number with symbolic constant.
1337         (dump_incremental_inputs): Update version number.
1338         * incremental.cc (Output_section_incremental_inputs): Update version
1339         number; import symbolic constants from Incremental_inputs_reader.
1340         (Incremental_inputs::create_data_sections): Align relocations
1341         section correctly for 64-bit targets.
1342         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1343         constants; add padding.
1344         (Output_section_incremental_inputs::write_header): Add assert for
1345         header_size.
1346         (Output_section_incremental_inputs::write_input_files): Add assert
1347         for input_entry_size.
1348         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1349         add assert for object_info_size, input_section_entry_size,
1350         global_sym_entry_size.
1351         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1352         for data structure sizes; use them.
1353         (Incremental_input_entry_reader): Import symbolic constants from
1354         Incremental_inputs_reader; use them.
1355
1356 2012-04-23  David S. Miller  <davem@davemloft.net>
1357
1358         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1359         and elf_flags_set_.
1360         (Target_sparc::Target_sparc): Initialize new fields.
1361         (Target_sparc::do_make_elf_object): New function.
1362         (Target_sparc::do_adjust_elf_header): New function.
1363
1364 2012-04-23  Cary Coutant  <ccoutant@google.com>
1365
1366         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1367         CU range table of gdb index.
1368
1369 2012-04-20  David S. Miller  <davem@davemloft.net>
1370
1371         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1372         instead of false.
1373
1374 2012-04-16  David S. Miller  <davem@davemloft.net>
1375
1376         * sparc.cc (Target_sparc::got_address): New function.
1377         (Sparc_relocate_functions::gdop_hix22): New function.
1378         (Sparc_relocate_functions::gdop_lox10): New function.
1379         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1380         relocs.
1381         (Target_sparc::Scan::local): Likewise if the global symbol is not
1382         preemptible and is not IFUNC.
1383         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1384         transformations for local and non-preemptible non-IFUNC global
1385         symbols.
1386
1387         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1388         writing out 64-bit part of ranges.
1389
1390         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1391         -fpic and -fpie respectively.
1392         * Makefile.in: Regenerate.
1393
1394         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1395         (Target_sparc::Target_sparc): Initialize new field.
1396         (Target_sparc::do_plt_section_for_global): New function.
1397         (Target_sparc::do_plt_section_for_local): New function.
1398         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1399         (Target_sparc::make_plt_section): New function, broken out of
1400         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1401         (Target_sparc::make_plt_entry): Call make_plt_section.
1402         (Target_sparc::make_local_ifunc_plt_entry): New function.
1403         (Target_sparc::rela_ifunc_section): New function.
1404         (Target_sparc::plt_section): Remove const.
1405         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1406         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1407         and ifunc_count_ fields.
1408         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1409         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1410         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1411         (Output_data_plt_sparc::rela_ifunc): New function.
1412         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1413         (Output_data_plt_sparc::has_ifunc_section): New function.
1414         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1415         (Output_data_plt_sparc::address_for_global): New function.
1416         (Output_data_plt_sparc::address_for_local): New function.
1417         (Output_data_plt_sparc::plt_index_to_offset): New function.
1418         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1419         and entry_count.
1420         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1421         entry_count.
1422         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1423         R_SPARC_JMP_IREL to switch.
1424         (Target_sparc::Scan::check_non_pic): Likewise.
1425         (Target_sparc::Scan::local): Handle IFUNC symbols.
1426         (Target_sparc::Scan::local): Likewise.
1427         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1428         and plt_address_for_local.
1429         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1430         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1431
1432         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1433         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1434         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1435         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1436         global relocs too.
1437         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1438         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1439         calls.
1440         * sparc.cc (Target_sparc::Scan::global): Likewise.
1441         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1442
1443 2012-04-16  Cary Coutant  <ccoutant@google.com>
1444
1445         * archive.cc (Library_base::should_include_member): Check for
1446         --export-dynamic-symbol.
1447         * options.h (class General_options): Add --export-dynamic-symbol.
1448         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1449         --export-dynamic-symbol.
1450         (Symbol_table::gc_mark_undef_symbols): Likewise.
1451         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1452
1453 2012-04-12  David S. Miller  <davem@davemloft.net>
1454
1455         * sparc.cc (Reloc::wdisp10): New relocation method.
1456         (Reloc::h34): Likewise.
1457         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1458         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1459         R_SPARC_WDISP10.
1460         (Target_sparc::Scan::local): Likewise.
1461         (Target_sparc::Scan::global): Likewise.
1462         (Target_sparc::Relocate::relocate): Likewise.
1463
1464 2012-04-09  Cary Coutant  <ccoutant@google.com>
1465
1466         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1467         low_pc == 0.
1468
1469 2012-04-06  Ian Lance Taylor  <iant@google.com>
1470
1471         * timer.cc: #include <unistd.h>.
1472
1473 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1474
1475         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1476         * config.in: Regenerate.
1477         * configure: Regenerate.
1478
1479 2012-04-05  Nick Clifton  <nickc@redhat.com>
1480
1481         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1482         (AM_LC_MESSAGES): Add.
1483         * aclocal.m4: Regenerate.
1484         * config.in: Regenerate.
1485         * configure: Regenerate.
1486
1487 2012-03-21  Cary Coutant  <ccoutant@google.com>
1488
1489         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1490         * Makefile.in: Regenerate.
1491         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1492         (Sized_elf_reloc_mapper::symbol_section): New function.
1493         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1494         (make_elf_reloc_mapper): New function.
1495         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1496         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1497         (Dwarf_abbrev_table::do_get_abbrev): New function.
1498         (Dwarf_ranges_table::read_ranges_table): New function.
1499         (Dwarf_ranges_table::read_range_list): New function.
1500         (Dwarf_pubnames_table::read_section): New function.
1501         (Dwarf_pubnames_table::read_header): New function.
1502         (Dwarf_pubnames_table::next_name): New function.
1503         (Dwarf_die::Dwarf_die): New function.
1504         (Dwarf_die::read_attributes): New function.
1505         (Dwarf_die::skip_attributes): New function.
1506         (Dwarf_die::set_name): New function.
1507         (Dwarf_die::set_linkage_name): New function.
1508         (Dwarf_die::attribute): New function.
1509         (Dwarf_die::string_attribute): New function.
1510         (Dwarf_die::int_attribute): New function.
1511         (Dwarf_die::uint_attribute): New function.
1512         (Dwarf_die::ref_attribute): New function.
1513         (Dwarf_die::child_offset): New function.
1514         (Dwarf_die::sibling_offset): New function.
1515         (Dwarf_info_reader::check_buffer): New function.
1516         (Dwarf_info_reader::parse): New function.
1517         (Dwarf_info_reader::do_parse): New function.
1518         (Dwarf_info_reader::do_read_string_table): New function.
1519         (Dwarf_info_reader::lookup_reloc): New function.
1520         (Dwarf_info_reader::get_string): New function.
1521         (Dwarf_info_reader::visit_compilation_unit): New function.
1522         (Dwarf_info_reader::visit_type_unit): New function.
1523         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1524         Sized_elf_reloc_mapper.
1525         (Sized_dwarf_line_info::symbol_section): Remove function.
1526         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1527         (Sized_dwarf_line_info::read_line_mappings): Remove object
1528         parameter, adjust callers.
1529         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1530         * dwarf_reader.h: Include <sys/types.h>.
1531         (class Track_relocs): Remove forward declaration.
1532         (class Elf_reloc_mapper): New class.
1533         (class Sized_elf_reloc_mapper): New class.
1534         (class Dwarf_abbrev_table): New class.
1535         (class Dwarf_range_list): New class.
1536         (class Dwarf_ranges_table): New class.
1537         (class Dwarf_pubnames_table): New class.
1538         (class Dwarf_die): New class.
1539         (class Dwarf_info_reader): New class.
1540         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1541         (Sized_dwarf_line_info::symbol_section): Remove member function.
1542         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1543         base class.
1544         * gdb-index.cc: New source file.
1545         * gdb-index.h: New source file.
1546         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1547         and .debug_types sections, call Layout::add_to_gdb_index.
1548         (Sized_relobj_incr::do_section_name): Implement.
1549         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1550         return type; Implement.
1551         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1552         return type.
1553         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1554         parameter list and return type.
1555         (Sized_incr_dynobj::do_section_contents): Likewise.
1556         * layout.cc: Include gdb-index.h.
1557         (Layout::Layout): Initialize gdb_index_data_.
1558         (Layout::init_fixed_output_section): Check for .gdb_index section.
1559         (Layout::add_to_gdb_index): New function. Instantiate.
1560         * layout.h: Add forward declaration for class Gdb_index.
1561         (Layout::add_to_gdb_index): New member function.
1562         (Layout::gdb_index_data_): New data member.
1563         * main.cc: Include gdb-index.h.
1564         (main): Print statistics for gdb index.
1565         * object.cc (Object::section_contents): Move code into
1566         do_section_contents.
1567         (need_decompressed_section): Check for sections needed when building
1568         gdb index.
1569         (build_compressed_section_map): Likewise.
1570         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1571         gdb index.
1572         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1573         sections; call Layout::add_to_gdb_index.
1574         (Sized_relobj_file::do_decompressed_section_contents): Call
1575         do_section_contents directly.
1576         * object.h (Object::do_section_contents): Adjust parameter list and
1577         return type.
1578         (Object::do_decompressed_section_contents): Call do_section_contents
1579         directly.
1580         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1581         return type.
1582         * options.h (class General_options): Add --gdb-index option.
1583         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1584         list and return type.
1585         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1586         * reloc.h (Track_relocs::checkpoint): New function.
1587         (Track_relocs::reset): New function.
1588
1589         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1590         New test cases.
1591         * testsuite/Makefile.in: Regenerate.
1592         * testsuite/gdb_index_test.cc: New test source file.
1593         * testsuite/gdb_index_test_1.sh: New test source file.
1594         * testsuite/gdb_index_test_2.sh: New test source file.
1595
1596 2012-03-19  Doug Kwan  <dougkwan@google.com>
1597
1598         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1599         (Target_arm::do_finalize_sections): Remove code which defines
1600         __exidx_start and __exidx_end.  Make symbol table parameter
1601         anonymous as it is not used.
1602         * gold.cc (queue_middle_tasks): Call target hook to define any
1603         target-specific symbols.
1604         * target.h (Target::define_standard_symbols): New method.
1605         (Target::do_define_standard_symbols): Same.
1606         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1607         * testsuite/Makefile.in: Regenerate.
1608         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1609         and __exidx_end.
1610         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1611         relocations are generated for __exidx_start and __exidx_end.
1612
1613 2012-03-16  Doug Kwan  <dougkwan@google.com>
1614
1615         * testsuite/Makefile.am: Disable test initpri3b.
1616         * testsuite/Makefile.in: Regenerate.
1617
1618 2012-03-15  Doug Kwan  <dougkwan@google.com>
1619
1620         * arm.cc (Target_arm::got_section): Make .got section read-only
1621         if -z now is given.
1622
1623 2012-03-15  Ian Lance Taylor  <iant@google.com>
1624
1625         PR gold/13850
1626         * layout.cc (Layout::make_output_section): Correctly mark
1627         SHT_INIT_ARRAY, et. al., as relro.
1628
1629 2012-03-14  Doug Kwan  <dougkwan@google.com>
1630
1631         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1632         dynamic relocations for protected symbols in shared objects.
1633
1634 2012-03-13  Ian Lance Taylor  <iant@google.com>
1635
1636         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1637         keep the larger alignment.
1638
1639 2012-03-12  Cary Coutant  <ccoutant@google.com>
1640
1641         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1642         handling of DW_LNE_define_file.
1643
1644 2012-03-12  Cary Coutant  <ccoutant@google.com>
1645
1646         * reduced_debug_output.cc
1647         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1648         codes to switch.
1649
1650 2012-02-29  Cary Coutant  <ccoutant@google.com>
1651
1652         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1653
1654 2012-02-29  Cary Coutant  <ccoutant@google.com>
1655
1656         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1657         Call Object::decompressed_section_contents.
1658         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1659         New dtor.
1660         (Sized_dwarf_line_info::buffer_start_): New data member.
1661         * merge.cc (Output_merge_data::do_add_input_section): Call
1662         Object::decompressed_section_contents.
1663         (Output_merge_string::do_add_input_section): Likewise.
1664         * object.cc (need_decompressed_section): New function.
1665         (build_compressed_section_map): Decompress sections needed later.
1666         (Sized_relobj_file::do_decompressed_section_contents): New function.
1667         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1668         * object.h (Object::decompressed_section_contents): New function.
1669         (Object::discard_decompressed_sections): New function.
1670         (Object::do_decompressed_section_contents): New function.
1671         (Object::do_discard_decompressed_sections): New function.
1672         (Compressed_section_info): New type.
1673         (Compressed_section_map): Include decompressed section contents.
1674         (Sized_relobj_file::do_decompressed_section_contents): New function.
1675         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1676
1677 2012-02-16  Cary Coutant  <ccoutant@google.com>
1678
1679         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1680         * testsuite/Makefile.in: Regenerate.
1681
1682 2012-02-14  Cary Coutant  <ccoutant@google.com>
1683
1684         * options.cc (General_options::finalize): Disallow -pie and -static.
1685
1686 2012-02-03  Doug Kwan  <dougkwan@google.com>
1687
1688         * arm.cc (Arm_relocate_functions::abs8,
1689         Arm_relocate_functions::abs16): Use
1690         Bits::has_signed_unsigned_overflow32.
1691         (Arm_relocate_functions::thm_abs8): Correct range of
1692         overflow check.
1693         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1694         in assertions.
1695
1696 2012-02-02  Doug Kwan  <dougkwan@google.com>
1697
1698         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1699         position independent outputs, not just shared objects.
1700
1701 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1702
1703         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1704         * configure: Regenerated.
1705
1706 2012-01-27  Ian Lance Taylor  <iant@google.com>
1707
1708         * reloc.h (Bits): New class with static functions, copied from
1709         namespace utils in arm.cc.
1710         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1711         instead.
1712
1713 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1714
1715         * incremental.cc (write_info_blocks): Correct relocation offset.
1716
1717 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1718
1719         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1720         (Relocate::tls_gd_to_le): Likewise.
1721
1722 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1723
1724         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1725
1726 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1727
1728         * configure.ac: Check if -mcmodel=medium works.
1729         * configure: Regenerated.
1730
1731 2012-01-24  Cary Coutant  <ccoutant@google.com>
1732
1733         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1734         definition and ...
1735         (read_unsigned_LEB_128_x): ... this new function.
1736         (read_signed_LEB_128): Replaced with inline definition and ...
1737         (read_signed_LEB_128_x): ... this new function.
1738         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1739         (read_unsigned_LEB_128): Add inline definition.
1740         (read_signed_LEB_128_x): New function.
1741         (read_signed_LEB_128): Add inline definition.
1742         * testsuite/Makefile.am (leb128_unittest): New unit test.
1743         * testsuite/Makefile.in: Regenerate.
1744         * testsuite/leb128_unittest.cc: New unit test.
1745
1746 2012-01-23  Ian Lance Taylor  <iant@google.com>
1747
1748         PR gold/13617
1749         * i386.cc (Target_i386::do_code_fill): When using a jmp
1750         instruction, pad with nop instructions.
1751         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1752
1753 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1754
1755         * x86_64.cc (gc_process_relocs): Add typename on types used in
1756         template.
1757         (scan_relocs): Likewise.
1758         (relocate_section): Likewise.
1759         (apply_relocation): Likewise.
1760
1761 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1762
1763         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1764         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1765         under x32.
1766
1767 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1768
1769         * x86_64.cc: Initial support for x32.
1770
1771 2012-01-03  Cary Coutant  <ccoutant@google.com>
1772
1773         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1774         Use abstract base class for GOT.
1775         * gold/output.h (class Output_data_got_base): New abstract base class.
1776         (class Output_data_got): Derive from new base class, adjust ctors.
1777         (Output_data_got::reserve_slot): Make virtual; rename to
1778         do_reserve_slot; Adjust callers.
1779         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1780         pointer to abstract base class.
1781         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1782
1783 2011-12-18  Ian Lance Taylor  <iant@google.com>
1784
1785         * object.h (Relobj::local_symbol_value): New function.
1786         (Relobj::local_plt_offset): New function.
1787         (Relobj::local_has_got_offset): New function.
1788         (Relobj::local_got_offset): New function.
1789         (Relobj::set_local_got_offset): New function.
1790         (Relobj::do_local_symbol_value): New pure virtual function.
1791         (Relobj::do_local_plt_offset): Likewise.
1792         (Relobj::do_local_has_got_offset): Likewise.
1793         (Relobj::do_local_got_offset): Likewise.
1794         (Relobj::do_set_local_got_offset): Likewise.
1795         (Sized_relobj::do_local_has_got_offset): Rename from
1796         local_has_got_offset.
1797         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1798         (Sized_relobj::do_set_local_got_offset): Rename from
1799         set_local_got_offset.
1800         (Sized_relobj_file::do_local_plt_offset): Rename from
1801         local_plt_offset.
1802         (Sized_relobj_file::do_local_symbol_value): New function.
1803         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1804         local_plt_offset.
1805         * output.cc (Output_data_got::Got_entry::write): Change object to
1806         Relobj.  Use local_symbol_value.
1807         (Output_data_got::add_global_with_rel): Change rel_dyn to
1808         Output_data_reloc_generic*.  Use add_global_generic.
1809         (Output_data_got::add_global_with_rela): Remove.  Change all
1810         callers to use add_global_with_rel.
1811         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1812         Output_data_reloc_generic*.  Use add_global_generic.
1813         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1814         callers to use add_global_pair_with_rel.
1815         (Output_data_got::add_local): Change object to Relobj*.
1816         (Output_data_got::add_local_plt): Likewise.
1817         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1818         change rel_dyn to Output_data_reloc_generic*.  Use
1819         add_local_generic.
1820         (Output_data_got::add_local_with_rela): Remove.  Change all
1821         callers to use all_local_with_rel.
1822         (Output_data_got::add_local_pair_with_rel): Change object to
1823         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1824         add_output_section_generic.
1825         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1826         callers to use add_local_pair_with_rel.
1827         (Output_data_got::reserve_local): Change object to Relobj*.
1828         * output.h: (class Output_data_reloc_generic): Add pure virtual
1829         declarations for add_global_generic, add_local_generic,
1830         add_output_section_generic.
1831         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1832         functions for Output_data_reloc_generic.  Update declarations for
1833         changes listed in output.cc.
1834         (class Output_data_got): Change template parameter to got_size.
1835         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1836         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1837         function.
1838         (Sized_relobj_incr::do_local_plt_offset): New function.
1839         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1840         add_global_generic.
1841
1842 2011-12-17  Cary Coutant  <ccoutant@google.com>
1843
1844         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1845         * resolve.cc (Symbol_table::resolve): Likewise.
1846         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1847         arrays.
1848         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1849
1850 2011-12-16  Ian Lance Taylor  <iant@google.com>
1851
1852         * output.h (Output_data_reloc_generic::add): Only call
1853         add_dynamic_reloc if this is a dynamic reloc section.
1854
1855 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1856
1857         PR gold/13505
1858         * target-reloc.h (apply_relocation): Replace <64, false> with
1859         <size, big_endian>.
1860
1861 2011-11-25  Nick Clifton  <nickc@redhat.com>
1862
1863         * po/it.po: New Italian translation.
1864
1865 2011-11-17  Sterling Augustine  <saugustine@google.com>
1866
1867         * script.cc (script_include_directive): Implement.
1868         (read_script_file): New local variables name and search_path. Update
1869         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1870         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1871         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1872
1873 2011-11-11  Sterling Augustine  <saugustine@google.com>
1874
1875         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1876         (file_or_sections_cmd): Likewise.
1877
1878 2011-11-11  Doug Kwan  <dougkwan@google.com>
1879
1880         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1881         if --just-symbols is given.
1882
1883 2011-11-10  Doug Kwan  <dougkwan@google.com>
1884
1885         PR gold/13362
1886         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1887         when processing data relocs.
1888         * reloc.h (Relocate_functions::rel_unaligned): New method.
1889         (Relocate_functions::pcrel_unaligned): Ditto.
1890         (Relocate_functions::rel32_unaligned): Ditto.
1891         (Relocate_functions::pcrel32_unaligned): Ditto.
1892
1893 2011-11-09  Doug Kwan  <dougkwan@google.com>
1894
1895         PR gold/13362
1896         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1897         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1898         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1899         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1900         (Relocate_functions::rel_unaligned): New.
1901         (Relocate_functions::rel32_unaligned): New.
1902         * target-reloc.h (relocate_for_relocatable): Add code to handle
1903         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1904         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1905         arm_unaligned_reloc_r): New targets.
1906         * testsuite/Makefile.in: Regenerate.
1907         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1908         linking.
1909
1910 2011-11-02  Ian Lance Taylor  <iant@google.com>
1911
1912         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1913         NATIVE_LINKER.
1914         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1915         * options.cc (General_options::finalize): Use library search path
1916         from configure script if specified.  If not native and no sysroot,
1917         only search TOOLLIBDIR.
1918         * options.h (Search_directory::Search_directory): Change name to
1919         const std::string&.
1920         (General_options::add_to_library_path_with_sysroot): Change arg to
1921         const std::string&.
1922         * configure, Makefile.in, config.in: Rebuild.
1923
1924 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1925
1926         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1927         we are working around the ARM1176 Erratum.
1928         * options.h (General_options::fix_arm1176): Add option.
1929         * testsuite/Makefile.am: Add testcases, and keep current ones
1930         working.
1931         * testsuite/Makefile.in: Regenerate.
1932         * testsuite/arm_fix_1176.s: New file.
1933         * testsuite/arm_fix_1176.sh: Likewise.
1934
1935 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1936
1937         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1938         may_use_blx_.
1939         (Target_arm::may_use_blx): Remove method.
1940         (Target_arm::set_may_use_blx): Likewise.
1941         (Target_arm::may_use_v4t_interworking): New method.
1942         (Target_arm::may_use_v5t_interworking): Likewise.
1943         (Target_arm::may_use_blx_): Remove member variable.
1944         (Arm_relocate_functions::arm_branch_common): Check for v5T
1945         interworking.
1946         (Arm_relocate_functions::thumb_branch_common): Likewise.
1947         (Reloc_stub::stub_type_for_reloc): Likewise.
1948         (Target_arm::do_finalize_sections): Correct interworking checks.
1949         * testsuite/Makefile.am: Add new tests.
1950         * testsuite/Makefile.in: Regenerate.
1951         * testsuite/arm_farcall_arm_arm.s: New test.
1952         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1953         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1954         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1955         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1956         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1957         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1958         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1959
1960 2011-10-31  Cary Coutant  <ccoutant@google.com>
1961
1962         PR gold/13023
1963         * expression.cc (Expression::eval_with_dot): Add
1964         is_section_dot_assignment parameter.
1965         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1966         absolute and assigning to dot within a section.
1967         * script-sections.cc
1968         (Output_section_element_assignment::set_section_addresses): Pass
1969         dot_section to set_if_absolute.
1970         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1971         as is_section_dot_assignment flag to eval_with_dot.
1972         (Output_section_element_dot_assignment::set_section_addresses):
1973         Likewise.
1974         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1975         parameter.  Also set value if relative to dot_section; set the
1976         symbol's output_section.
1977         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1978         parameter.  Adjust all callers.
1979         (Expression::eval_maybe_dot): Likewise.
1980         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1981         Adjust all callers.
1982         * testsuite/script_test_2.t: Test assignment of an absolute value
1983         to dot within an output section element.
1984
1985 2011-10-31  Cary Coutant  <ccoutant@google.com>
1986
1987         * options.h (class General_options): Add --[no-]gnu-unique options.
1988         * symtab.cc (Symbol_table::sized_write_globals): Convert
1989         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1990
1991 2011-10-31  Cary Coutant  <ccoutant@google.com>
1992
1993         PR gold/13359
1994         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1995         unnecessary assertion.
1996         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1997
1998 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1999
2000         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2001         gc_mark_symbol.
2002         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2003         gc_mark_symbol.
2004         Change to just keep the section associated with symbol.
2005         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2006         they are externally visible and --export-dynamic is turned on.
2007         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2008
2009 2011-10-19  Ian Lance Taylor  <iant@google.com>
2010
2011         PR gold/13163
2012         * script-sections.cc
2013         (Output_section_element_dot_assignment::needs_output_section): New
2014         function.
2015
2016 2011-10-19  Ian Lance Taylor  <iant@google.com>
2017
2018         PR gold/13204
2019         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2020         --section-start option was seen.
2021         * options.h (General_options::any_section_start): New function.
2022
2023 2011-10-18  David S. Miller  <davem@davemloft.net>
2024
2025         PR binutils/13301
2026         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2027         member to track relocation locations that have moved during TLS
2028         reloc optimizations.
2029         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2030         (Target_sparc::Relocate::relocate): Adjust view down by 4
2031         bytes if it matches reloc_adjust_addr_.
2032         (Target_sparc::Relocate::relocate_tls): Always move the
2033         __tls_get_addr call delay slot instruction forward 4 bytes when
2034         performing relaxation.
2035
2036 2011-10-18  Cary Coutant  <ccoutant@google.com>
2037
2038         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2039         (Output_file::map_no_anonymous): Check for non-zero
2040         return code from posix_fallocate.
2041
2042 2011-10-17  Cary Coutant  <ccoutant@google.com>
2043
2044         PR gold/13245
2045         * plugin.cc (is_visible_from_outside): Check for symbols
2046         referenced from dynamic objects.
2047         * resolve.cc (Symbol_table::resolve): Don't count references
2048         from dynamic objects as references from real ELF files.
2049         * testsuite/plugin_test_2.sh: Adjust expected result.
2050
2051 2011-10-17  Cary Coutant  <ccoutant@google.com>
2052
2053         * gold.cc: Include timer.h.
2054         (queue_middle_tasks): Stamp time.
2055         (queue_final_tasks): Likewise.
2056         * main.cc (main): Store timer in parameters.  Print timers
2057         for each pass.
2058         * parameters.cc (Parameters::Parameters): Initialize timer_.
2059         (Parameters::set_timer): New function.
2060         (set_parameters_timer): New function.
2061         * parameters.h (Parameters::set_timer): New function.
2062         (Parameters::timer): New function.
2063         (Parameters::timer_): New data member.
2064         (set_parameters_timer): New function.
2065         * timer.cc (Timer::stamp): New function.
2066         (Timer::get_pass_time): New function.
2067         * timer.h (Timer::stamp): New function.
2068         (Timer::get_pass_time): New function.
2069         (Timer::pass_times_): New data member.
2070
2071 2011-10-17  Cary Coutant  <ccoutant@google.com>
2072
2073         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2074         task for members of lib groups.
2075
2076 2011-10-17  Cary Coutant  <ccoutant@google.com>
2077
2078         PR gold/13288
2079         * fileread.cc (File_read::find_view): Add assert.
2080         (File_read::make_view): Move bounds check (replace with assert)...
2081         (File_read::find_or_make_view): ... to here.
2082
2083 2011-10-12  Cary Coutant  <ccoutant@google.com>
2084
2085         * output.cc (Output_file::open_base_file): Handle case where
2086         ::read returns less than requested size.
2087
2088 2011-10-10  Cary Coutant  <ccoutant@google.com>
2089
2090         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2091         Initialize defined_count_.
2092         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2093         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2094         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2095         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2096         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2097         * incremental.h (Sized_relobj_incr::defined_count_): New data
2098         member.
2099         (Sized_incr_dynobj::defined_count_): New data member.
2100         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2101         Return zeroes instead of internal error.
2102
2103 2011-10-10  Cary Coutant  <ccoutant@google.com>
2104
2105         PR gold/13249
2106         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2107         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2108         * output.h (class Output_reloc): Add use_plt_offset flag.
2109         (Output_reloc::type_): Adjust size of bit field.
2110         (Output_reloc::use_plt_offset_): New bit field.
2111         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2112         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2113         flag.  Adjust all callers.
2114         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2115         creating RELATIVE relocations.
2116
2117 2011-10-10  Nick Clifton  <nickc@redhat.com>
2118
2119         * po/es.po: Updated Spanish translation.
2120         * po/fi.po: Updated Finnish translation.
2121
2122 2011-10-03   Diego Novillo  <dnovillo@google.com>
2123
2124         * options.cc (parse_uint): Fix dereference of RETVAL.
2125
2126 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2127
2128         * layout.h (section_order_map_): New member.
2129         (get_section_order_map): New member function.
2130         * output.cc (Output_section::add_input_section): Check for patterns
2131         only when --section-ordering-file is specified.
2132         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2133         output_sections have been formed.
2134         * layout.cc (Layout_Layout): Initialize section_order_map_.
2135         * plugin.cc (update_section_order): Store order in order_map. Do not
2136         update the order.
2137         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2138         * testsuite/Makefile.in: Regenerate.
2139         * testsuite/plugin_section_order.c: New file.
2140         * testsuite/plugin_final_layout.cc: New file.
2141         * testsuite/plugin_final_layout.sh: New file.
2142
2143 2011-09-29  Cary Coutant  <ccoutant@google.com>
2144
2145         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2146         Check for NULL.
2147         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2148         symbols during incremental update.
2149         (Symbol_table::add_from_dynobj): Likewise.
2150
2151 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2152             Ian Lance Taylor  <iant@google.com>
2153
2154         * symtab.cc (Symbol_table::define_special_symbol): Always
2155         canonicalize version string.
2156
2157 2011-09-26  Cary Coutant  <ccoutant@google.com>
2158
2159         * gold.cc (queue_initial_tasks): Move option checks ...
2160         * options.cc (General_options::finalize): ... to here. Disable
2161         some options; make others fatal.
2162
2163 2011-09-26  Cary Coutant  <ccoutant@google.com>
2164
2165         gcc PR lto/47247
2166         * plugin.cc (get_symbols_v2): New function.
2167         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2168         (is_referenced_from_outside): New function.
2169         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2170         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2171         (get_symbols): Pass version parameter.
2172         (get_symbols_v2): New function.
2173         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2174         parameter.
2175         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2176         (onload): Add LDPT_GET_SYMBOLS_V2.
2177         (all_symbols_read_hook): Use get_symbols_v2; check for
2178         LDPR_PREVAILING_DEF_IRONLY_EXP.
2179         * testsuite/plugin_test_3.sh: Update expected results.
2180
2181 2011-09-23  Simon Baldwin  <simonb@google.com>
2182
2183         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2184         configuration options.
2185         * configure: Regenerate.
2186         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2187         * Makefile.in: Regenerate.
2188         * testsuite/Makefile.in: Regenerate.
2189
2190 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2191
2192         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2193
2194 2011-09-19  Cary Coutant  <ccoutant@google.com>
2195
2196         * incremental.cc (can_incremental_update): Fix typo in comment.
2197         * incremental.h (can_incremental_update): Likewise.
2198
2199 2011-09-18  Cary Coutant  <ccoutant@google.com>
2200
2201         * incremental.cc (can_incremental_update): New function.
2202         * incremental.h (can_incremental_update): New function.
2203         * layout.cc (Layout::init_fixed_output_section): Call it.
2204         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2205         * object.cc (Sized_relobj_file::do_layout): Call
2206         can_incremental_update.
2207
2208 2011-09-13  Cary Coutant  <ccoutant@google.com>
2209
2210         * configure.ac: Check for glibc support for gnu_indirect_function
2211         support with static linking, setting automake conditional
2212         IFUNC_STATIC.
2213         * Makefile.in: Regenerate.
2214         * configure: Regenerate.
2215
2216         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2217         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2218         for IFUNC_STATIC.
2219         * testsuite/Makefile.in: Regenerate.
2220
2221 2011-09-13  Cary Coutant  <ccoutant@google.com>
2222
2223         * incremental.cc (Sized_relobj_incr::do_layout): Call
2224         report_comdat_group for kept comdat sections.
2225         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2226         * testsuite/Makefile.in: Regenerate.
2227         * testsuite/incr_comdat_test_1.cc: New source file.
2228         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2229         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2230         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2231
2232 2011-09-13  Ian Lance Taylor  <iant@google.com>
2233
2234         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2235         variable external_symbols_offset.
2236
2237 2011-09-12  Ian Lance Taylor  <iant@google.com>
2238
2239         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2240         triggered if object has no symbols.
2241
2242 2011-09-09  David S. Miller  <davem@davemloft.net>
2243
2244         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2245         (Output_fill_debug_line::do_write): Likewise.
2246
2247 2011-08-29  Cary Coutant  <ccoutant@google.com>
2248
2249         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2250         casts to match formatting specs.
2251         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2252
2253 2011-08-26  Cary Coutant  <ccoutant@google.com>
2254
2255         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2256         remaining hole size when allocating.
2257         (Layout::make_output_section): Set fill methods for debug sections.
2258         * layout.h (Free_list::Free_list_node): Move from private to
2259         public.
2260         (Free_list::set_min_hole_size): New function.
2261         (Free_list::begin, Free_list::end): New functions.
2262         (Free_list::min_hole_): New data member.
2263         * output.cc: Include dwarf.h.
2264         (Output_fill_debug_info::do_minimum_hole_size): New function.
2265         (Output_fill_debug_info::do_write): New function.
2266         (Output_fill_debug_line::do_minimum_hole_size): New function.
2267         (Output_fill_debug_line::do_write): New function.
2268         (Output_section::Output_section): Initialize new data member.
2269         (Output_section::set_final_data_size): Ensure patch space is larger
2270         than minimum hole size.
2271         (Output_section::do_write): Fill holes in debug sections.
2272         * output.h (Output_fill): New class.
2273         (Output_fill_debug_info): New class.
2274         (Output_fill_debug_line): New class.
2275         (Output_section::set_free_space_fill): New function.
2276         (Output_section::free_space_fill_): New data member.
2277         * testsuite/Makefile.am (incremental_test_3): Add
2278         --incremental-patch option.
2279         (incremental_test_4): Likewise.
2280         (incremental_test_5): Likewise.
2281         (incremental_test_6): Likewise.
2282         (incremental_copy_test): Likewise.
2283         (incremental_common_test_1): Likewise.
2284         * testsuite/Makefile.in: Regenerate.
2285
2286 2011-08-26  Nick Clifton  <nickc@redhat.com>
2287
2288         * po/es.po: Updated Spanish translation.
2289
2290 2011-08-01  Cary Coutant  <ccoutant@google.com>
2291
2292         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2293         * gold/testsuite/Makefile.in: Regenerate.
2294         * gold/testsuite/justsyms_exec.c: New source file.
2295         * gold/testsuite/justsyms_lib.c: New source file.
2296
2297 2011-08-01  Cary Coutant  <ccoutant@google.com>
2298
2299         * layout.cc (Layout::set_segment_offsets): Don't realign text
2300         segment if -Ttext was specified.
2301         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2302         file type.
2303         * object.h (Sized_relobj_file::e_type): New function.
2304         (Sized_relobj_file::e_type_): New data member.
2305         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2306         base address for ET_EXEC files.
2307         * target.cc (Target::do_make_elf_object_implementation): Allow
2308         ET_EXEC files with --just-symbols option.
2309
2310 2011-07-28  Cary Coutant  <ccoutant@google.com>
2311
2312         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2313         Add thread_number parameter.
2314         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2315         * workqueue-threads.cc
2316         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2317         current thread if its thread number is greater than desired thread
2318         count.
2319         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2320         Add thread_number parameter.
2321         (Workqueue::should_cancel_thread): Likewise.
2322         (Workqueue::find_runnable_or_wait): Pass thread_number to
2323         should_cancel_thread.
2324         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2325         parameter.
2326
2327 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2328
2329         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2330         only after checking if it cannot be forced local.
2331         * symtab.h (is_externally_visible): Check if the symbol is not forced
2332         local.
2333
2334 2011-07-15  Ian Lance Taylor  <iant@google.com>
2335
2336         * options.h (class General_options): Add --print-output-format.
2337         Move -EL next to -EB, for  better --help output.
2338         * target-select.cc: Include <cstdio>, "options.h", and
2339         "parameters.h".
2340         (Target_selector::do_target_bfd_name): New function.
2341         (print_output_format): New function.
2342         * target-select.h (class Target_selector): Update declarations.
2343         (Target_selector::target_bfd_name): New function.
2344         (print_output_format): Declare.
2345         * main.cc: Include "target-select.h".
2346         (main): Handle --print-output-format.
2347         * gold.cc: Include "target-select.h".
2348         (queue_initial_tasks): Handle --print-output-format when there are
2349         no input files.
2350         * parameters.cc (parameters_force_valid_target): Give a better
2351         error message if -EB/-EL does not match target.
2352         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2353         function.
2354
2355 2011-07-15  Ian Lance Taylor  <iant@google.com>
2356
2357         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2358         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2359         (Output_data_plt_i386::do_write): Write address of .dynamic
2360         section to first entry in .got.plt section.
2361         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2362         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2363         Initialize layout_.
2364         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2365         section to first entry in .got.plt section.
2366         * layout.h (Layout::dynamic_section): New function.
2367
2368 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2369
2370         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2371         to claim_file call.
2372         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2373         input_section_position_, and input_section_glob_.
2374         (read_layout_from_file): Call function section_ordering_specified.
2375         * layout.h (is_section_ordering_specified): New function.
2376         (section_ordering_specified): New function.
2377         (section_ordering_specified_): New boolean member.
2378         * main.cc(main): Call load_plugins after layout object is defined.
2379         * output.cc (Output_section::add_input_section): Use
2380         function section_ordering_specified to check if section ordering is
2381         needed.
2382         * output.cc (Output_section::add_relaxed_input_section): Use
2383         function section_ordering_specified to check if section ordering is
2384         needed.
2385         (Output_section::update_section_layout): New function.
2386         (Output_section::sort_attached_input_sections): Check if input section
2387         must be reordered.
2388         * output.h (Output_section::update_section_layout): New function.
2389         * plugin.cc (get_section_count): New function.
2390         (get_section_type): New function.
2391         (get_section_name): New function.
2392         (get_section_contents): New function.
2393         (update_section_order): New function.
2394         (allow_section_ordering): New function.
2395         (Plugin::load): Add the new interfaces to the transfer vector.
2396         (Plugin_manager::load_plugins): New parameter.
2397         (Plugin_manager::all_symbols_read): New parameter.
2398         (Plugin_manager::claim_file): New parameter. Save the elf object for
2399         unclaimed objects.
2400         (Plugin_manager::get_elf_object): New function.
2401         (Plugin_manager::get_view): Change to directly use the bool to check
2402         if get_view is called from claim_file_hook.
2403         * plugin.h (input_objects): New function
2404         (Plugin__manager::load_plugins): New parameter.
2405         (Plugin_manager::claim_file): New parameter.
2406         (Plugin_manager::get_elf_object): New function.
2407         (Plugin_manager::in_claim_file_handler): New function.
2408         (Plugin_manager::in_claim_file_handler_): New member.
2409         (layout): New function.
2410         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2411         handler with an extra parameter. Make the elf object before calling
2412         claim_file handler.
2413         * testsuite/plugin_test.c (get_section_count): New function pointer.
2414         (get_section_type): New function pointer.
2415         (get_section_name): New function pointer.
2416         (get_section_contents): New function pointer.
2417         (update_section_order): New function pointer.
2418         (allow_section_ordering): New function pointer.
2419         (onload): Check if the new interfaces exist.
2420
2421 2011-07-13  Ian Lance Taylor  <iant@google.com>
2422
2423         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2424         relro section.
2425         * x86_64.cc (Target_x86_64::got_section): Likewise.
2426         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2427         (relro_now_test_SOURCES): New variable.
2428         (relro_now_test_DEPENDENCIES): New variable.
2429         (relro_now_test_LDFLAGS): New variable.
2430         (relro_now_test_LDADD): New variable.
2431         (relro_now_test.so): New target.
2432         * testsuite/Makefile.in: Rebuild.
2433
2434 2011-07-12  Ian Lance Taylor  <iant@google.com>
2435
2436         PR gold/12980
2437         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2438         GLOB_DAT relocation rather than a RELATIVE relocation for a
2439         protected symbol when creating a shared library.
2440         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2441         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2442         * testsuite/protected_main_1.cc (main): Test that protected
2443         function has same address.
2444
2445 2011-07-11  Ian Lance Taylor  <iant@google.com>
2446
2447         PR gold/12979
2448         * options.h (class General_options): Add -Bgroup.
2449         * options.cc (General_options::finalize): If -Bgroup is set,
2450         default to --unresolved-symbols=report-all.
2451         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2452         * target-reloc.h (issue_undefined_symbol_error): Handle
2453         --unresolved-symbols=report-all.
2454
2455 2011-07-08  Ian Lance Taylor  <iant@google.com>
2456
2457         PR gold/11985
2458         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2459         if linker script discards key sections.
2460         (Layout::create_dynamic_symtab): Likewise.
2461         (Layout::assign_local_dynsym_offsets): Likewise.
2462         (Layout::sized_create_version_sections): Likewise.
2463         (Layout::create_interp): Likewise.
2464         (Layout::finish_dynamic_section): Likewise.
2465         (Layout::set_dynamic_symbol_size): Likewise.
2466
2467 2011-07-08  Ian Lance Taylor  <iant@google.com>
2468
2469         PR gold/12386
2470         * options.h (class General_options): Add --unresolved-symbols.
2471         * target-reloc.h (issue_undefined_symbol_error): Check
2472         --unresolved-symbols.  Add comments.
2473
2474 2011-07-08  Ian Lance Taylor  <iant@google.com>
2475
2476         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2477         expression more complex.
2478
2479 2011-07-08  Ian Lance Taylor  <iant@google.com>
2480
2481         PR gold/11317
2482         * target-reloc.h (issue_undefined_symbol_error): New inline
2483         function, broken out of relocate_section.
2484         (relocate_section): Call issue_undefined_symbol_error.
2485         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2486         there is no TLS segment if we are about to issue an undefined
2487         symbol error.
2488         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2489
2490 2011-07-08  Ian Lance Taylor  <iant@google.com>
2491
2492         PR gold/12279
2493         * resolve.cc (Symbol_table::should_override): Add fromtype
2494         parameter.  Change all callers.  Give error when linking together
2495         TLS and non-TLS symbol.
2496         (Symbol_table::should_override_with_special): Add fromtype
2497         parameter.  Change all callers.
2498         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2499         there is no TLS segment if we have reported some errors.
2500         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2501
2502 2011-07-08  Ian Lance Taylor  <iant@google.com>
2503
2504         PR gold/12372
2505         * target.h (Target::plt_address_for_global): New function.
2506         (Target::plt_address_for_local): New function.
2507         (Target::plt_section_for_global): Remove.
2508         (Target::plt_section_for_local): Remove.
2509         (Target::do_plt_address_for_global): New virtual function.
2510         (Target::do_plt_address_for_local): New virtual function.
2511         (Target::do_plt_section_for_global): Remove.
2512         (Target::do_plt_section_for_local): Remove.
2513         (Target::register_global_plt_entry): Add Symbol_table and Layout
2514         parameters.
2515         * output.cc (Output_data_got::Got_entry::write): Use
2516         plt_address_for_global and plt_address_for_local.
2517         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2518         address of output section.
2519         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2520         got_irelative_, and irelative_count_ fields.  Update
2521         declarations.
2522         (Output_data_plt_i386::has_irelative_section): New function.
2523         (Output_data_plt_i386::entry_count): Add irelative_count_.
2524         (Output_data_plt_i386::set_final_data_size): Likewise.
2525         (class Target_i386): Add got_irelative_ and rel_irelative_
2526         fields.  Update declarations.
2527         (Target_i386::Target_i386): Initialize new fields.
2528         (Target_i386::do_plt_address_for_global): New function replacing
2529         do_plt_section_for_global.
2530         (Target_i386::do_plt_address_for_local): New function replacing
2531         do_plt_section_for_local.
2532         (Target_i386::got_section): Create got_irelative_.
2533         (Target_i386::rel_irelative_section): New function.
2534         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2535         fields.  Don't define __rel_iplt_{start,end}.
2536         (Output_data_plt_i386::add_entry): Add symtab and layout
2537         parameters.  Change all callers.  Use different PLT and GOT for
2538         IFUNC symbols.
2539         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2540         layout parameters.  Change all callers.  Use different PLT and
2541         GOT.
2542         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2543         (Output_data_plt_i386::rel_irelative): New function.
2544         (Output_data_plt_i386::address_for_global): New function.
2545         (Output_data_plt_i386::address_for_local): New function.
2546         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2547         IRELATIVE GOT when changing IFUNC GOT entries.
2548         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2549         reloc.
2550         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2551         if we didn't create an IRELATIVE GOT.
2552         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2553         plt_address_for_local.
2554         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2555         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2556         got_irelative_, and irelative_count_ fields.  Update
2557         declarations.
2558         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2559         Initialize new fields.  Remove symtab parameter.  Change all
2560         callers.
2561         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2562         irelative_count_.
2563         (Output_data_plt_x86_64::has_irelative_section): New function.
2564         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2565         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2566         fields.  Update declarations.
2567         (Target_x86_64::Target_x86_64): Initialize new fields.
2568         (Target_x86_64::do_plt_address_for_global): New function replacing
2569         do_plt_section_for_global.
2570         (Target_x86_64::do_plt_address_for_local): New function replacing
2571         do_plt_section_for_local.
2572         (Target_x86_64::got_section): Create got_irelative_.
2573         (Target_x86_64::rela_irelative_section): New function.
2574         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2575         all callers.  Don't create __rel_iplt_{start,end}.
2576         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2577         parameters.  Change all callers.  Use different PLT and GOT for
2578         IFUNC symbols.
2579         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2580         layout parameters.  Change all callers.  Use different PLT and
2581         GOT.
2582         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2583         parameters.  Change all callers.  Use different PLT and GOT for
2584         IFUNC symbols.
2585         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2586         (Output_data_plt_x86_64::rela_irelative): New function.
2587         (Output_data_plt_x86_64::address_for_global): New function.
2588         (Output_data_plt_x86_64::address_for_local): New function.
2589         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2590         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2591         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2592         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2593         parameters.
2594         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2595         reloc.
2596         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2597         symbols if we didn't create an IRELATIVE GOT.
2598         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2599         plt_address_for_local.
2600         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2601         * testsuite/ifuncvar1.c: New test file.
2602         * testsuite/ifuncvar2.c: New test file.
2603         * testsuite/ifuncvar3.c: New test file.
2604         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2605         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2606         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2607         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2608         * testsuite/Makefile.in: Rebuild.
2609
2610 2011-07-07  Cary Coutant  <ccoutant@google.com>
2611
2612         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2613         (two_file_test_1_ndebug.o): Likewise.
2614         (two_file_test_1b_ndebug.o): Likewise.
2615         (two_file_test_2_ndebug.o): Likewise.
2616         (two_file_test_main_ndebug.o): Likewise.
2617         (incremental_test_2): Link with no-debug versions.
2618
2619 2011-07-06  Cary Coutant  <ccoutant@google.com>
2620
2621         * gold/incremental.cc
2622         (Output_section_incremental_inputs::write_info_blocks): Check for
2623         hidden and internal symbols.
2624
2625 2011-07-06  Cary Coutant  <ccoutant@google.com>
2626
2627         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2628         Check disposition for startup file.
2629         (Incremental_inputs::report_command_line): Ignore
2630         --incremental-startup-unchanged option.
2631         * options.cc (General_options::parse_incremental_startup_unchanged):
2632         New function.
2633         (General_options::General_options): Initialize new data member.
2634         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2635         (General_options): Add --incremental-startup-unchanged option.
2636         (General_options::incremental_startup_disposition): New function.
2637         (General_options::incremental_startup_disposition_): New data member.
2638
2639 2011-07-06  Cary Coutant  <ccoutant@google.com>
2640
2641         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2642         input file index to Script_info ctor.
2643         (Sized_incremental_binary::do_file_has_changed): Find the
2644         command-line argument for files named in scripts.
2645         * incremental.h (Script_info::Script_info): New ctor
2646         with input file index.
2647         (Script_info::input_file_index): New function.
2648         (Script_info::input_file_index_): New data member.
2649         (Incremental_binary::get_library): Add const.
2650         (Incremental_binary::get_script_info): Add const.
2651         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2652         * testsuite/Makefile.am (incremental_test_5): New test case.
2653         (incremental_test_6): New test case.
2654         * testsuite/Makefile.in: Regenerate.
2655
2656 2011-07-06  Cary Coutant  <ccoutant@google.com>
2657
2658         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2659         debug output when command lines differ.
2660
2661 2011-07-06  Cary Coutant  <ccoutant@google.com>
2662
2663         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2664         --incremental-patch option.
2665         * layout.cc (Free_list::allocate): Extend allocation beyond original
2666         end if enabled.
2667         (Layout::make_output_section): Mark sections that should get
2668         patch space.
2669         * options.cc (parse_percent): New function.
2670         * options.h (parse_percent): New function.
2671         (DEFINE_percent): New macro.
2672         (General_options): Add --incremental-patch option.
2673         * output.cc (Output_section::Output_section): Initialize new data
2674         members.
2675         (Output_section::add_input_section): Print section name when out
2676         of patch space.
2677         (Output_section::add_output_section_data): Likewise.
2678         (Output_section::set_final_data_size): Add patch space when
2679         doing --incremental-full.
2680         (Output_section::do_reset_address_and_file_offset): Remove patch
2681         space.
2682         (Output_segment::set_section_list_addresses): Print debug output
2683         only if --incremental-update.
2684         * output.h (Output_section::set_is_patch_space_allowed): New function.
2685         (Output_section::is_patch_space_allowed_): New data member.
2686         (Output_section::patch_space_): New data member.
2687         * parameters.cc (Parameters::incremental_full): New function.
2688         * parameters.h (Parameters::incremental_full): New function
2689         * testsuite/Makefile.am (incremental_test_2): Add test for
2690         --incremental-patch option.
2691         * testsuite/Makefile.in: Regenerate.
2692         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2693         (t18): Remove function body.
2694
2695 2011-07-05  Doug Kwan  <dougkwan@google.com>
2696
2697         PR gold/12771
2698         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2699         Arm_Address type for relocation result.
2700         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2701         overflow check.
2702         (Arm_relocate_functions::abs32): Use unaligned access.
2703         (Arm_relocate_functions::rel32): Ditto.
2704         (Arm_relocate_functions::prel31): Ditto.
2705         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2706         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2707         static data relocations.
2708         * testsuite/Makefile.in: Regnerate.
2709         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2710
2711 2011-07-05  Ian Lance Taylor  <iant@google.com>
2712
2713         PR gold/12392
2714         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2715         symbols if necessary.
2716         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2717
2718 2011-07-05  Ian Lance Taylor  <iant@google.com>
2719
2720         PR gold/12952
2721         * resolve.cc (Symbol::override_base_with_special): Simply override
2722         version with special symbol version, ignoring previous version.
2723
2724 2011-07-05  Ian Lance Taylor  <iant@google.com>
2725
2726         * object.cc (Sized_relobj_file::include_section_group): Add
2727         information to comment about signature location.
2728
2729 2011-07-02  Ian Lance Taylor  <iant@google.com>
2730
2731         PR gold/12957
2732         * options.h (class General_options): Add -f and -F.
2733         * options.cc (General_options::finalize): Fatal error if -f/-F
2734         are used without -shared.
2735         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2736
2737 2011-07-02  Ian Lance Taylor  <iant@google.com>
2738
2739         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2740
2741 2011-07-01  Ian Lance Taylor  <iant@google.com>
2742
2743         PR gold/12525
2744         PR gold/12952
2745         * resolve.cc (Symbol::override_base_with_special): Don't override
2746         the version if the overriding symbol has a different name.
2747         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2748         all callers.  If we give an error about an undefined version,
2749         define the base version if necessary.
2750         * dynobj.h (class Versions): Update declaration.
2751         * testsuite/weak_alias_test_5.cc: New file.
2752         * testsuite/weak_alias_test.script: New file.
2753         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2754         and versioned_alias have the right value, and call t2.
2755         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2756         weak_alias_test_5.so.
2757         (weak_alias_test_LDADD): Likewise.
2758         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2759         * testsuite/Makefile.in: Rebuild.
2760
2761 2011-07-01  Ian Lance Taylor  <iant@google.com>
2762
2763         PR gold/12525
2764         * options.h (class General_options): Support -z notext.
2765         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2766         -Wl,-z,notext.
2767         (two_file_shared_nonpic.so): Likewise.
2768         (two_file_shared_mixed.so): Likewise.
2769         (two_file_shared_mixed_1.so): Likewise.
2770         (weak_undef_lib_nonpic.so): Likewise.
2771         (alt/weak_undef_lib_nonpic.so): Likewise.
2772         (tls_test_shared_nonpic.so): Likewise.
2773         * testsuite/Makefile.in: Rebuild.
2774
2775 2011-07-01  Ian Lance Taylor  <iant@google.com>
2776
2777         PR gold/12525
2778         * configure.ac: Test whether static linking works, setting
2779         the automake conditional HAVE_STATIC.
2780         * testsuite/Makefile.am: Disable tests using -static if
2781         HAVE_STATIC is not true.
2782         * configure, testsuite/Makefile.in: Rebuild.
2783
2784 2011-07-01  Ian Lance Taylor  <iant@google.com>
2785
2786         PR gold/12525
2787         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2788         Assert if we see DW_EH_PE_indirect.
2789         * target.h (Target::ehframe_datarel_base): New function.
2790         (Target::do_ehframe_datarel_base): New target function.
2791         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2792         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2793         function.
2794
2795 2011-07-01  Ian Lance Taylor  <iant@google.com>
2796
2797         PR gold/12571
2798         * options.h (class General_options): Add
2799         --ld-generated-unwind-info.
2800         * ehframe.cc (Fde::write): Add address parameter.  Change all
2801         callers.  If associated with PLT, fill in address and size.
2802         (Cie::set_output_offset): Only add merge mapping if there is an
2803         object.
2804         (Cie::write): Add address parameter.  Change all callers.
2805         (Eh_frame::add_ehframe_for_plt): New function.
2806         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2807         input_offset_ fields into union u_, with new plt field.
2808         (Fde::Fde): Adjust for new union field.
2809         (Fde::Fde) [Output_data version]: New constructor.
2810         (Fde::add_mapping): Only add merge mapping if there is an object.
2811         (class Cie): Update declarations.
2812         (class Eh_frame): Declare add_ehframe_for_plt.
2813         * layout.cc (Layout::layout_eh_frame): Break out code into
2814         make_eh_frame_section, and call it.
2815         (Layout::make_eh_frame_section): New function.
2816         (Layout::add_eh_frame_for_plt): New function.
2817         * layout.h (class Layout): Update declarations.
2818         * merge.cc (Merge_map::add_mapping): Add assertion.
2819         * i386.cc: Include "dwarf.h".
2820         (class Output_data_plt_i386): Make first_plt_entry,
2821         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2822         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2823         and plt_eh_frame_fde.
2824         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2825         boundary.  Call add_eh_frame_for_plt if appropriate.
2826         * x86_64.cc: Include "dwarf.h".
2827         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2828         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2829         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2830         and plt_eh_frame_fde.
2831         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2832         appropriate.
2833
2834 2011-06-29  Ian Lance Taylor  <iant@google.com>
2835
2836         PR gold/12629
2837         * object.cc (Sized_relobj_file::layout_section): Change shdr
2838         parameter to be const.
2839         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2840         out of do_layout.
2841         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2842         appropriate.  Call layout_eh_frame_section.
2843         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2844         sections.
2845         * object.h (class Sized_relobj_file): Update declarations.
2846
2847 2011-06-29  Ian Lance Taylor  <iant@google.com>
2848
2849         PR gold/12652
2850         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2851         modifier.
2852         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2853
2854 2011-06-29  Ian Lance Taylor  <iant@google.com>
2855
2856         PR gold/12675
2857         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2858         SHT_X86_64_UNWIND.
2859         * layout.cc (Layout::layout_eh_frame): Likewise.
2860
2861 2011-06-29  Ian Lance Taylor  <iant@google.com>
2862
2863         PR gold/12695
2864         * layout.cc (Layout::symtab_section_shndx): New function.
2865         * layout.h (class Layout): Declare symtab_section_shndx.
2866         * output.cc (Output_section::write_header): Call it.
2867
2868 2011-06-29  Ian Lance Taylor  <iant@google.com>
2869
2870         PR gold/12818
2871         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2872         symbols which are not used in a relocation.
2873
2874 2011-06-28  Ian Lance Taylor  <iant@google.com>
2875
2876         PR gold/12898
2877         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2878         script create indistinguishable segments.
2879         (Layout::set_segment_offsets): Use stable_sort when sorting
2880         segments.  Pass this to Compare_segments constructor.
2881         * layout.h (class Layout): Make segment_precedes non-static.
2882         (class Compare_segments): Change from struct to class.  Add
2883         layout_ field.  Add constructor.
2884         * script-sections.cc
2885         (Script_sections::attach_sections_using_phdrs_clause): Rename
2886         local orphan to is_orphan.  Don't report failure to put empty
2887         section in segment.  On attachment failure, report name of
2888         section, and attach to first PT_LOAD segment.
2889
2890 2011-06-28  Ian Lance Taylor  <iant@google.com>
2891
2892         PR gold/12934
2893         * target-select.cc (Target_selector::Target_selector): Add
2894         emulation parameter.  Change all callers.
2895         (select_target_by_bfd_name): Rename from select_target_by_name.
2896         Change all callers.
2897         (select_target_by_emulation): New function.
2898         (supported_emulation_names): New function.
2899         * target-select.h (class Target_selector): Add emulation_ field.
2900         Update declarations.
2901         (Target_selector::recognize_by_bfd_name): Rename from
2902         recognize_by_name.  Change all callers.
2903         (Target_selector::supported_bfd_names): Rename from
2904         supported_names.  Change all callers.
2905         (Target_selector::recognize_by_emulation): New function.
2906         (Target_selector::supported_emulations): New function.
2907         (Target_selector::emulation): New function.
2908         (Target_selector::do_recognize_by_bfd_name): Rename from
2909         do_recognize_by_name.  Change all callers.
2910         (Target_selector::do_supported_bfd_names): Rename from
2911         do_supported_names.  Change all callers.
2912         (Target_selector::do_recognize_by_emulation): New function.
2913         (Target_selector::do_supported_emulations): New function.
2914         (select_target_by_bfd_name): Change name in declaration.
2915         (select_target_by_emulation): Declare.
2916         (supported_emulation_names): Declare.
2917         * parameters.cc (parameters_force_valid_target): Try to find
2918         target based on emulation from -m option.
2919         * options.h (class General_options): Change doc string for -m.
2920         * options.cc (help): Print emulations.
2921         (General_options::parse_V): Likewise.
2922         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2923         Add emulation parameter.  Change all callers.
2924
2925 2011-06-28  Ian Lance Taylor  <iant@google.com>
2926
2927         * target.h (class Target): Add osabi_ field.
2928         (Target::osabi): New function.
2929         (Target::set_osabi): New function.
2930         (Target::Target): Initialize osabi_.
2931         (Target::do_adjust_elf_header): Make pure virtual.
2932         (Sized_target::do_adjust_elf_header): Declare.
2933         * target.cc (Sized_target::do_adjust_elf_header): New function.
2934         (class Sized_target): Instantiate all versions.
2935         * freebsd.h (class Target_freebsd): Remove.
2936         (Target_selector_freebsd::do_recognize): Call set_osabi on
2937         Target.
2938         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2939         (Target_selector_freebsd::set_osabi): Remove.
2940         * i386.cc (class Target_i386): Inherit from Sized_target rather
2941         than Target_freebsd.
2942         * x86_64.cc (class Target_x86_64): Likewise.
2943
2944 2011-06-28  Ian Lance Taylor  <iant@google.com>
2945
2946         * target.h (Target::can_check_for_function_pointers): Rewrite.
2947         Make non-virtual.
2948         (Target::can_icf_inline_merge_sections): Likewise.
2949         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2950         (Target::Target_info): Add can_icf_inline_merge_sections field.
2951         (Target::do_can_check_for_function_pointers): New virtual
2952         function.
2953         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2954         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2955         from can_check_for_function_pointers, move in file.
2956         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2957         section_may_have_icf_unsafe_poineters, move in file.
2958         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2959         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2960         Rename from can_check_for_function_pointers, move in file.
2961         (Target_i386::can_icf_inline_merge_sections): Remove.
2962         (Target_i386::i386_info): Initialize
2963         can_icf_inline_merge_sections.
2964         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2965         Initialize can_icf_inline_merge_sections.
2966         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2967         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2968         Rename from can_check_for_function_pointers, move in file.
2969         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2970         (Target_x86_64::x86_64_info): Initialize
2971         can_icf_inline_merge_sections.
2972         * testsuite/testfile.cc (Target_test::test_target_info):
2973         Likewise.
2974         * icf.cc (get_section_contents): Correct formatting.
2975
2976 2011-06-27  Ian Lance Taylor  <iant@google.com>
2977
2978         * symtab.cc (Symbol::versioned_name): New function.
2979         (Symbol_table::add_to_final_symtab): Use versioned_name when
2980         appropriate.
2981         (Symbol_table::sized_write_symbol): Likewise.
2982         * symtab.h (class Symbol): Declare versioned_name.
2983         * stringpool.h (class Stringpool_template): Add variant of add
2984         which takes a std::basic_string.
2985         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2986         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2987         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2988         (ver_test_12.o): New target.
2989         * testsuite/Makefile.in: Rebuild.
2990
2991 2011-06-27  Doug Kwan  <dougkwan@google.com>
2992
2993         * arm.cc (Arm_relocate_functions::thm_jump8,
2994         Arm_relocate_functions::thm_jump11): Use a wider signed
2995         type to compute offset.
2996         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2997         arm_thm_jump8.
2998         * testsuite/Makefile.in: Regenerate.
2999         * testsuite/arm_branch_in_range.sh: Check test results of
3000         arm_thm_jump11 and arm_thm_jump8.
3001         * testsuite/arm_thm_jump11.s: New test source file.
3002         * testsuite/arm_thm_jump11.t: New linker script.
3003         * testsuite/arm_thm_jump8.s: New test source file.
3004         * testsuite/arm_thm_jump8.t: New linker script.
3005
3006 2011-06-24  Ian Lance Taylor  <iant@google.com>
3007
3008         * layout.cc: Include "object.h".
3009         (ctors_sections_in_init_array): New static variable.
3010         (Layout::is_ctors_in_init_array): New function.
3011         (Layout::layout): Add entry to ctors_sections_in_init_array if
3012         appropriate.
3013         * layout.h (class Layout): Declare is_ctors_in_init_array.
3014         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3015         is_ctors_reverse_view is set.
3016         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3017         all callers.  Set is_ctors_reverse_view field of View_size.
3018         (Sized_relobj_file::reverse_words): New function.
3019         * object.h (Sized_relobj_file::View_size): Add
3020         is_ctors_reverse_view field.
3021         (class Sized_relobj_file): Update declarations.
3022         * testsuite/initpri3.c: New test.
3023         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3024         initpri3b.
3025         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3026         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3027         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3028         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3029         * testsuite/Makefile.in: Rebuild.
3030
3031 2011-06-24  Cary Coutant  <ccoutant@google.com>
3032
3033         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3034         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3035         (debug_msg_cdebug.err): New targets.
3036         * testsuite/Makefile.in: Regenerate.
3037         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3038         Fix checks for link with shared library.
3039
3040 2011-06-24  Doug Kwan  <dougkwan@google.com>
3041
3042         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3043         skip empty text sections.
3044         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3045
3046 2011-06-22  Ian Lance Taylor  <iant@google.com>
3047
3048         PR gold/12910
3049         * options.h (class General_options): Add --ctors-in-init-array.
3050         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3051         friends as SHT_PROGBITS for merging sections.
3052         (Layout::layout): Remove special handling of .init_array and
3053         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3054         and .dtors if ctors_in_init_array.
3055         (Layout::make_output_section): Force correct section types for
3056         .init_array and friends.  Don't sort if doing relocatable link,
3057         Don't sort .ctors and .dtors if ctors_in_init_array.
3058         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3059         (Layout::output_section_name): Add relobj parameter.  Change all
3060         callers.  Handle .ctors. and .dtors. in code rather than table.
3061         Handle .ctors and .dtors if ctors_in_init_array.
3062         (Layout::match_file_name): New function, moved from output.cc.
3063         * layout.h (class Layout): Update declarations.
3064         * output.cc: Include "layout.h".
3065         (Input_section_sort_entry::get_priority): New function.
3066         (Input_section_sort_entry::match_file_name): Just call
3067         Layout::match_file_name.
3068         (Output_section::Input_section_sort_init_fini_compare::operator()):
3069         Handle .ctors and .dtors.  Sort by explicit priority rather than
3070         by name.
3071         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3072         * testsuite/initpri2.c: New test.
3073         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3074         (check_PROGRAMS): Add initpri2.
3075         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3076         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3077         * configure, testsuite/Makefile.in: Rebuild.
3078
3079 2011-06-19  Ian Lance Taylor  <iant@google.com>
3080
3081         PR gold/12880
3082         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3083         .interp section to a PT_INTERP segment even if we have seen a
3084         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3085         clause in a linker script.
3086         (Layout::finalize): Don't create a .interp section if we've
3087         already create a PT_INTERP segment.
3088         (Layout::create_interp): Always call choose_output_section (revert
3089         patch of 2011-06-17).  Don't create PT_INTERP segment.
3090         * script-sections.cc
3091         (Script_sections::create_note_and_tls_segments): Add a .interp
3092         section to a PT_INTERP segment even if we have seen a
3093         --dynamic-linker option.
3094
3095 2011-06-18  Ian Lance Taylor  <iant@google.com>
3096
3097         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3098         merely because a non-PT_LOAD segment has a dynamic reloc.
3099
3100 2011-06-18  Ian Lance Taylor  <iant@google.com>
3101
3102         * layout.cc (Layout::finish_dynamic_section): Don't create
3103         DT_FLAGS entry if not needed.
3104
3105 2011-06-18  Ian Lance Taylor  <iant@google.com>
3106
3107         PR gold/12745
3108         * layout.cc (Layout::layout_eh_frame): Correct handling of
3109         writable .eh_frame section.
3110
3111 2011-06-17  Ian Lance Taylor  <iant@google.com>
3112
3113         PR gold/12893
3114         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3115         symbol is redefined with the exact same object and value.
3116
3117 2011-06-17  Ian Lance Taylor  <iant@google.com>
3118
3119         PR gold/12880
3120         * layout.h (class Layout): Add interp_segment_ field.
3121         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3122         (Layout::attach_allocated_section_to_segment): If making shared
3123         library, put .interp section in PT_INTERP segment.
3124         (Layout::finalize): Also call create_interp if -dynamic-linker
3125         option was used.
3126         (Layout::create_interp): Assert that there is no PT_INTERP
3127         segment.  If not using a SECTIONS clause, use make_output_section.
3128         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3129         * script-sections.cc
3130         (Script_sections::create_note_and_tls_segments): If making shared
3131         library, put .interp section in PT_INTERP segment.
3132
3133 2011-06-17  Ian Lance Taylor  <iant@google.com>
3134
3135         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3136         when making a shared library.
3137
3138 2011-06-17  Ian Lance Taylor  <iant@google.com>
3139
3140         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3141         parameter.  Change all callers.  Don't issue warning about PC32
3142         against locally defined symbol.
3143
3144 2011-06-16  Ian Lance Taylor  <iant@google.com>
3145
3146         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3147         occurs in same object.
3148
3149 2011-06-14  Alan Modra  <amodra@gmail.com>
3150
3151         * po/POTFILES.in: Regenerate.
3152
3153 2011-06-09  Ian Lance Taylor  <iant@google.com>
3154
3155         * script-sections.cc
3156         (Orphan_output_section::set_section_addresses): For a relocatable
3157         link set address to 0.
3158
3159 2011-06-09  Cary Coutant  <ccoutant@google.com>
3160
3161         PR gold/12804
3162         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3163         used with --compress-debug-sections.
3164         * gold/object.cc (Sized_relobj_file::do_layout): Report
3165         uncompressed size of compressed input sections.
3166
3167 2011-06-08  Cary Coutant  <ccoutant@google.com>
3168
3169         PR gold/12804
3170         * testsuite/two_file_test_2_v1.cc: Change initialization of
3171         v2 to keep it in .data.
3172
3173 2011-06-07  Cary Coutant  <ccoutant@google.com>
3174
3175         * common.cc (Symbol_table::do_allocate_commons_list): Call
3176         gold_fallback.
3177         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3178         (Errors::fallback): New function.
3179         (gold_fallback): New function.
3180         * errors.h (Errors::fallback): New function.
3181         * gold.cc (gold_exit): Change status parameter to enum; adjust
3182         all callers.
3183         (queue_initial_tasks): Call gold_fallback.
3184         * gold.h: Include cstdlib.
3185         (Exit_status): New enum type.
3186         (gold_exit): Change status parameter to enum.
3187         (gold_fallback): New function.
3188         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3189         (Layout::create_symtab_sections): Likewise.
3190         (Layout::create_shdrs): Likewise.
3191         * main.cc (main): Adjust call to gold_exit.
3192         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3193         (Output_data_got::add_got_entry_pair): Likewise.
3194         (Output_section::add_input_section): Likewise.
3195         (Output_section::add_output_section_data): Likewise.
3196         (Output_segment::set_section_list_addresses): Likewise.
3197         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3198
3199 2011-06-07  Cary Coutant  <ccoutant@google.com>
3200
3201         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3202         for incremental links.
3203         * output.cc (Output_segment::set_section_list_addresses): Remove
3204         FIXME and test for TLS or BSS.
3205
3206 2011-06-07  Cary Coutant  <ccoutant@google.com>
3207
3208         * testsuite/Makefile.am: Add incremental_copy_test,
3209         incremental_common_test_1.
3210         * testsuite/Makefile.in: Regenerate.
3211         * testsuite/common_test_1_v1.c: New source file.
3212         * testsuite/common_test_1_v2.c: New source file.
3213         * testsuite/copy_test_v1.cc: New source file.
3214
3215 2011-06-07  Cary Coutant  <ccoutant@google.com>
3216
3217         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3218         update, allocate common from bss section's free list.
3219         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3220         linker-defined symbols.
3221         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3222         Skip GOT and PLT entries that are no longer referenced.
3223         (Output_section_incremental_inputs::write_info_blocks): Mark
3224         linker-defined symbols.
3225         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3226         * output.cc (Output_section::allocate): New function.
3227         * output.h (Output_section::allocate): New function.
3228         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3229         linker-defined symbols.
3230         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3231         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3232         (Symbol::init_base_output_data): Likewise.
3233         (Symbol::init_base_output_segment): Likewise.
3234         (Symbol::init_base_constant): Likewise.
3235         (Sized_symbol::init_output_data): Likewise.
3236         (Sized_symbol::init_output_segment): Likewise.
3237         (Sized_symbol::init_constant): Likewise.
3238         (Symbol_table::do_define_in_output_data): Likewise.
3239         (Symbol_table::do_define_in_output_segment): Likewise.
3240         (Symbol_table::do_define_as_constant): Likewise.
3241         * symtab.h (Symbol::is_predefined): New function.
3242         (Symbol::init_base_output_data): Add is_predefined parameter.
3243         (Symbol::init_base_output_segment): Likewise.
3244         (Symbol::init_base_constant): Likewise.
3245         (Symbol::is_predefined_): New data member.
3246         (Sized_symbol::init_output_data): Add is_predefined parameter.
3247         (Sized_symbol::init_output_segment): Likewise.
3248         (Sized_symbol::init_constant): Likewise.
3249         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3250
3251 2011-06-07  Cary Coutant  <ccoutant@google.com>
3252
3253         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3254         instead of emit_copy_reloc.
3255         (Copy_relocs::emit_copy_reloc): Refactor.
3256         (Copy_relocs::make_copy_reloc): New function.
3257         (Copy_relocs::add_copy_reloc): Remove.
3258         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3259         section.
3260         (Copy_relocs::make_copy_reloc): New function.
3261         (Copy_relocs::add_copy_reloc): Remove.
3262         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3263         unchanged input files.
3264         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3265         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3266         Reserve BSS space for COPY relocations.
3267         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3268         (Output_section_incremental_inputs::write_info_blocks): Record
3269         whether a symbol is copied from a shared object.
3270         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3271         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3272         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3273         (Incremental_input_entry_reader::get_output_symbol_index): Add
3274         is_copy parameter.
3275         (Incremental_binary::emit_copy_relocs): New function.
3276         (Incremental_binary::do_emit_copy_relocs): New function.
3277         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3278         new data member.
3279         (Sized_incremental_binary::add_copy_reloc): New function.
3280         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3281         (Sized_incremental_binary::Copy_reloc): New struct.
3282         (Sized_incremental_binary::Copy_relocs): New typedef.
3283         (Sized_incremental_binary::copy_relocs_): New data member.
3284         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3285         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3286         * target.h (Sized_target::emit_copy_reloc): New function.
3287         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3288
3289 2011-06-02  Cary Coutant  <ccoutant@google.com>
3290
3291         PR gold/12163
3292         * gold/archive.cc (Archive::Archive): Initialize new data member.
3293         (Archive::include_all_members): Return if archive has already been
3294         included.
3295         * gold/archive.h (Archive::include_all_members_): New data member.
3296
3297 2011-06-02  Nick Clifton  <nickc@redhat.com>
3298
3299         * dynobj.h: Fix spelling mistake in comment.
3300         * output.cc: Likewise.
3301
3302 2011-05-31  Doug Kwan  <dougkwan@google.com>
3303             Asier Llano
3304
3305         PR gold/12826
3306         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3307         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3308         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3309         redundant arm_exidx_test.so.
3310         * testsuite/Makefile.in: Regenerate.
3311         (check_SCRIPTS): Add pr12826.sh
3312         (check_DATA): Add pr12826.stdout
3313         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3314         * testsuite/pr12826.sh: New file.
3315         * testsuite/pr12826_1.s: Ditto.
3316         * testsuite/pr12826_1.s: Ditto.
3317
3318 2011-05-30  Ian Lance Taylor  <iant@google.com>
3319
3320         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3321         sections.
3322
3323 2011-05-29  Ian Lance Taylor  <iant@google.com>
3324
3325         PR gold/12804
3326         * testsuite/Makefile.am: Use different file name for two_file_test
3327         temporary file for each incremental test.
3328         * testsuite/Makefile.in: Rebuild.
3329
3330 2011-05-29  Ian Lance Taylor  <iant@google.com>
3331
3332         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3333         binary input file is empty.
3334
3335 2011-05-27  Ian Lance Taylor  <iant@google.com>
3336
3337         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3338         (ver_test_9.so): Likewise.
3339         * testsuite/Makefile.in: Rebuild.
3340
3341 2011-05-26 Cary Coutant  <ccoutant@google.com>
3342
3343         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3344         * incremental.cc (Incremental_inputs::report_input_section): Fix
3345         comment, indentation.
3346         (Incremental_inputs::report_comdat_group): New function.
3347         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3348         of data for incremental input file entry.
3349         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3350         group count, COMDAT group signatures.
3351         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3352         an unchanged input file.
3353         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3354         Initialize new data member.
3355         (Incremental_object_entry::add_comdat_group): New function.
3356         (Incremental_object_entry::get_comdat_group_count): New function.
3357         (Incremental_object_entry::get_comdat_signature_key): New function.
3358         (Incremental_object_entry::groups_): New data member.
3359         (Incremental_inputs::report_comdat_group): New function.
3360         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3361         data for incremental input file entry.
3362         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3363         (Incremental_input_entry_reader::get_input_section): Adjust size of
3364         data for incremental input file entry.
3365         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3366         (Incremental_input_entry_reader::get_comdat_group_signature): New
3367         function.
3368         * object.cc (Sized_relobj::include_section_group): Report kept
3369         COMDAT groups for incremental links.
3370
3371 2011-05-24  David Meyer  <pdox@google.com>
3372
3373         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3374         with name parameter.  Add found_name parameter.
3375         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3376         * dirsearch.h (class Dirsearch): Update declaration.
3377
3378 2011-05-24  Ian Lance Taylor  <iant@google.com>
3379
3380         * archive.cc (Library_base::should_include_member): Pull in object
3381         from archive if it defines the entry symbol.
3382         * parameters.cc (Parameters::entry): New function.
3383         * parameters.h (class Parameters): Declare entry.
3384         * output.h (class Output_file_header): Remove entry_ field.
3385         * output.cc (Output_file_header::Output_file_header): Remove entry
3386         parameter.  Change all callers.
3387         (Output_file_header::entry): Use parameters->entry.
3388         * gold.cc (queue_middle_tasks): Likewise.
3389         * plugin.cc (Plugin_hook::run): Likewise.
3390
3391 2011-05-24 Cary Coutant  <ccoutant@google.com>
3392
3393         * gold.cc (queue_initial_tasks): Pass incremental base filename
3394         to Output_file::open_base_file; don't print error message.
3395         * incremental-dump.cc (main): Adjust call to
3396         Output_file::open_for_modification.
3397         * incremental-dump.cc (main): Likewise.
3398         * incremental.cc (Incremental_inputs::report_command_line):
3399         Ignore --incremental-base option when comparing command lines.
3400         Ignore parameter when given as separate argument.
3401         * options.h (class General_options): Add --incremental-base.
3402         * output.cc (Output_file::Output_file):
3403         (Output_file::open_base_file): Add base_name and writable parameters;
3404         read base file into new file; print error message here.
3405         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3406         callers.
3407         * output.h (Output_file::open_for_modification): Rename to...
3408         (Output_file::open_base_file): ...this; add base_name and
3409         writable parameters; adjust all callers.
3410         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3411         callers.
3412         * testsuite/Makefile.am (incremental_test_4): Test
3413         --incremental-base.
3414         * testsuite/Makefile.in: Regenerate.
3415
3416 2011-05-24 Cary Coutant  <ccoutant@google.com>
3417
3418         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3419         incremental_test_4.
3420         * testsuite/Makefile.in: Regenerate.
3421         * testsuite/two_file_test_1_v1.cc: New test source file.
3422         * testsuite/two_file_test_1b_v1.cc: New test source file.
3423         * testsuite/two_file_test_2_v1.cc: New test source file.
3424
3425 2011-05-24 Cary Coutant  <ccoutant@google.com>
3426
3427         * dynobj.h (Dynobj::do_dynobj): New function.
3428         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3429         flag and soname for shared objects.
3430         * incremental.cc (Incremental_inputs::report_object): Make
3431         either Incremental_object_entry or Incremental_dynobj_entry; add
3432         soname to string table.
3433         (Incremental_inputs::report_input_section): Add assertion.
3434         (Output_section_incremental_inputs::set_final_data_size): Adjust
3435         type of input file entry for shared libraries; adjust size of
3436         shared library info entry.
3437         (Output_section_incremental_inputs::write_input_files): Write
3438         as_needed flag for shared libraries.
3439         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3440         of input file entry for shared libraries; write soname.
3441         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3442         soname from incremental info.
3443         * incremental.h (enum Incremental_input_flags): Add
3444         INCREMENTAL_INPUT_AS_NEEDED.
3445         (Incremental_input_entry::Incremental_input_entry): Initialize new
3446         data member.
3447         (Incremental_input_entry::set_as_needed): New function.
3448         (Incremental_input_entry::as_needed): New function.
3449         (Incremental_input_entry::do_dynobj_entry): New function.
3450         (Incremental_input_entry::as_needed_): New data member.
3451         (Incremental_object_entry::Incremental_object_entry): Don't check
3452         for shared library.
3453         (Incremental_object_entry::do_type): Likewise.
3454         (class Incremental_dynobj_entry): New class.
3455         (Incremental_input_entry_reader::as_needed): New function.
3456         (Incremental_input_entry_reader::get_soname): New function.
3457         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3458         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3459         size of shared library info entry.
3460         * layout.cc (Layout::finish_dynamic_section): Don't test for
3461         incremental link when adding DT_NEEDED entries.
3462         * object.h (Object::Object): Initialize new data member.
3463         (Object::dynobj): New function.
3464         (Object::set_as_needed): New function.
3465         (Object::as_needed): New function.
3466         (Object::do_dynobj): New function.
3467         (Object::as_needed_): New data member.
3468
3469 2011-05-24 Cary Coutant  <ccoutant@google.com>
3470
3471         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3472         info; adjust display of GOT entries.
3473         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3474         vector of input objects; remove file_status_.
3475         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3476         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3477         got_plt reader; call target hooks to reserve GOT entries.
3478         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3479         of input file info header and GOT info entry.
3480         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3481         relocation info.
3482         (Got_plt_view_info::got_descriptor): Remove.
3483         (Got_plt_view_info::sym_index): New data member.
3484         (Got_plt_view_info::input_index): New data member.
3485         (Local_got_offset_visitor::visit): Write input file index.
3486         (Global_got_offset_visitor::visit): Write 0 for input file index.
3487         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3488         with sym_index and input_index.
3489         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3490         incremental info GOT entry; replace got_descriptor with input_index.
3491         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3492         map from input file index to object.
3493         (Sized_relobj_incr::do_layout): Replace direct data member reference
3494         with accessor function.
3495         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3496         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3497         Adjust size of input file info header.
3498         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3499         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3500         (Incremental_input_entry_reader::get_input_section): Adjust size of
3501         input file info header.
3502         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3503         of incremental info GOT entry.
3504         (Incremental_got_plt_reader::get_got_desc): Remove.
3505         (Incremental_got_plt_reader::get_got_symndx): New function.
3506         (Incremental_got_plt_reader::get_got_input_index): New function.
3507         (Sized_incremental_binary::Sized_incremental_binary): Remove
3508         file_status_; add input_objects_.
3509         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3510         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3511         (Sized_incremental_binary::file_is_unchanged): Remove.
3512         (Sized_incremental_binary::set_input_object): New function.
3513         (Sized_incremental_binary::input_object): New function.
3514         (Sized_incremental_binary::file_status_): Remove.
3515         (Sized_incremental_binary::input_objects_): New data member.
3516         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3517         references.
3518         (Sized_relobj_incr::invalid_address): Move to base class.
3519         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3520         class.
3521         (Sized_relobj_incr::do_output_section_offset): Likewise.
3522         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3523         (Sized_relobj_incr::section_offsets_): Likewise.
3524         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3525         function.
3526         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3527         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3528         with accessor function.
3529         (Sized_relobj_file::do_layout): Likewise.
3530         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3531         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3532         (Sized_relobj_file::compute_final_local_value): Replace refs to
3533         section_offsets_ with accessor function.
3534         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3535         * object.h (Relobj::Relobj): Initialize new data members.
3536         (Relobj::add_dyn_reloc): New function.
3537         (Relobj::first_dyn_reloc): New function.
3538         (Relobj::dyn_reloc_count): New function.
3539         (Relobj::first_dyn_reloc_): New data member.
3540         (Relobj::dyn_reloc_count_): New data member.
3541         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3542         references.
3543         (Sized_relobj::Address): New typedef.
3544         (Sized_relobj::invalid_address): Move here from child class.
3545         (Sized_relobj::Sized_relobj): Initialize new data members.
3546         (Sized_relobj::sized_relobj): New function.
3547         (Sized_relobj::is_output_section_offset_invalid): Move here from
3548         child class.
3549         (Sized_relobj::get_output_section_offset): Likewise.
3550         (Sized_relobj::local_has_got_offset): Likewise.
3551         (Sized_relobj::local_got_offset): Likewise.
3552         (Sized_relobj::set_local_got_offset): Likewise.
3553         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3554         (Sized_relobj::clear_got_offsets): New function.
3555         (Sized_relobj::section_offsets): Move here from child class.
3556         (Sized_relobj::do_output_section_offset): Likewise.
3557         (Sized_relobj::do_set_section_offset): Likewise.
3558         (Sized_relobj::Local_got_offsets): Likewise.
3559         (Sized_relobj::local_got_offsets_): Likewise.
3560         (Sized_relobj::section_offsets_): Likewise.
3561         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3562         references.
3563         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3564         class.
3565         (Sized_relobj_file::sized_relobj): New function
3566         (Sized_relobj_file::local_has_got_offset): Move to base class.
3567         (Sized_relobj_file::local_got_offset): Likewise.
3568         (Sized_relobj_file::set_local_got_offset): Likewise.
3569         (Sized_relobj_file::get_output_section_offset): Likewise.
3570         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3571         (Sized_relobj_file::do_output_section_offset): Likewise.
3572         (Sized_relobj_file::do_set_section_offset): Likewise.
3573         (Sized_relobj_file::Local_got_offsets): Likewise.
3574         (Sized_relobj_file::local_got_offsets_): Likewise.
3575         (Sized_relobj_file::section_offsets_): Likewise.
3576         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3577         (all constructors).
3578         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3579         (Output_reloc::get_symbol_index): Likewise.
3580         (Output_reloc::local_section_offset): Likewise.
3581         (Output_reloc::get_address): Likewise.
3582         (Output_reloc::symbol_value): Likewise.
3583         (Output_data_got::reserve_slot): Move to class definition.
3584         (Output_data_got::reserve_local): New function.
3585         (Output_data_got::reserve_slot_for_global): Remove.
3586         (Output_data_got::reserve_global): New function.
3587         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3588         (all constructors, two instantiations).
3589         (Output_reloc::get_relobj): New function (two instantiations).
3590         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3591         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3592         (Output_data_reloc::add_global): Adjust type of relobj.
3593         (Output_data_reloc::add_global_relative): Likewise.
3594         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3595         (Output_data_reloc::add_local): Likewise.
3596         (Output_data_reloc::add_local_relative): Likewise.
3597         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3598         (Output_data_reloc::add_local_section): Likewise.
3599         (Output_data_reloc::add_output_section): Likewise.
3600         (Output_data_reloc::add_absolute): Likewise.
3601         (Output_data_reloc::add_target_specific): Likewise.
3602         (Output_data_got::reserve_slot): Move definition here.
3603         (Output_data_got::reserve_local): New function.
3604         (Output_data_got::reserve_global): New function.
3605         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3606         section_offsets_ with accessor function.
3607         (Sized_relobj_file::write_sections): Likewise.
3608         (Sized_relobj_file::do_relocate_sections): Likewise.
3609         * target.h (Sized_target::reserve_local_got_entry): New function.
3610         (Sized_target::reserve_global_got_entry): New function.
3611         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3612         (Target_x86_64::reserve_global_got_entry): New function.
3613         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3614
3615 2011-05-23 Cary Coutant  <ccoutant@google.com>
3616
3617         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3618         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3619         bit when checking got_type.
3620         * incremental.cc (Sized_incremental_binary::setup_readers):
3621         Store symbol table and string table locations; initialize bit vector
3622         of file status flags.
3623         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3624         unchanged files.
3625         (Sized_incremental_binary::do_process_got_plt): New function.
3626         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3627         (Output_section_incremental_inputs::set_final_data_size): Record
3628         file index for each input file.
3629         (Output_section_incremental_inputs::write_got_plt): Store file index
3630         instead of input entry offset for each GOT entry.
3631         * incremental.h
3632         (Incremental_input_entry::Incremental_input_entry): Initialize new
3633         data member.
3634         (Incremental_input_entry::set_offset): Store file index.
3635         (Incremental_input_entry::get_file_index): New function.
3636         (Incremental_input_entry::file_index_): New data member.
3637         (Incremental_binary::process_got_plt): New function.
3638         (Incremental_binary::do_process_got_plt): New function.
3639         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3640         data members.
3641         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3642         (Sized_incremental_binary::set_file_is_unchanged): New function.
3643         (Sized_incremental_binary::file_is_unchanged): New function.
3644         (Sized_incremental_binary::do_process_got_plt): New function.
3645         (Sized_incremental_binary::file_status_): New data member.
3646         (Sized_incremental_binary::main_symtab_loc_): New data member.
3647         (Sized_incremental_binary::main_strtab_loc_): New data member.
3648         * output.cc (Output_data_got::Got_entry::write): Add case
3649         RESERVED_CODE.
3650         (Output_data_got::add_global): Call add_got_entry.
3651         (Output_data_got::add_global_plt): Likewise.
3652         (Output_data_got::add_global_with_rel): Likewise.
3653         (Output_data_got::add_global_with_rela): Likewise.
3654         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3655         (Output_data_got::add_global_pair_with_rela): Likewise.
3656         (Output_data_got::add_local): Call add_got_entry.
3657         (Output_data_got::add_local_plt): Likewise.
3658         (Output_data_got::add_local_with_rel): Likewise.
3659         (Output_data_got::add_local_with_rela): Likewise.
3660         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3661         (Output_data_got::add_local_pair_with_rela): Likewise.
3662         (Output_data_got::reserve_slot): New function.
3663         (Output_data_got::reserve_slot_for_global): New function.
3664         (Output_data_got::add_got_entry): New function.
3665         (Output_data_got::add_got_entry_pair): New function.
3666         (Output_section::add_output_section_data): Edit FIXME.
3667         * output.h
3668         (Output_section_data_build::Output_section_data_build): New
3669         constructor with size parameter.
3670         (Output_data_space::Output_data_space): Likewise.
3671         (Output_data_got::Output_data_got): Initialize new data member; new
3672         constructor with size parameter.
3673         (Output_data_got::add_constant): Call add_got_entry.
3674         (Output_data_got::reserve_slot): New function.
3675         (Output_data_got::reserve_slot_for_global): New function.
3676         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3677         (Output_data_got::add_got_entry): New function.
3678         (Output_data_got::add_got_entry_pair): New function.
3679         (Output_data_got::free_list_): New data member.
3680         * target.h (Sized_target::init_got_plt_for_update): New function.
3681         (Sized_target::register_global_plt_entry): New function.
3682         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3683         Initialize new data member; call init; add constructor with PLT count.
3684         (Output_data_plt_x86_64::init): New function.
3685         (Output_data_plt_x86_64::add_relocation): New function.
3686         (Output_data_plt_x86_64::reserve_slot): New function.
3687         (Output_data_plt_x86_64::free_list_): New data member.
3688         (Target_x86_64::init_got_plt_for_update): New function.
3689         (Target_x86_64::register_global_plt_entry): New function.
3690         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3691         incremental updates.
3692         (Output_data_plt_x86_64::add_relocation): New function.
3693         * testsuite/object_unittest.cc (Object_test): Set default options.
3694
3695 2011-05-16  Ian Lance Taylor  <iant@google.com>
3696
3697         * options.h (class General_options): Make -i a synonym for -r.
3698
3699 2011-05-16  Ian Lance Taylor  <iant@google.com>
3700
3701         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3702
3703 2011-05-10 Cary Coutant  <ccoutant@google.com>
3704
3705         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3706         strip_all (-s).
3707
3708 2011-05-06  Ian Lance Taylor  <iant@google.com>
3709
3710         * layout.cc (Layout::layout): If the output section flags change,
3711         update the ordering.
3712
3713 2011-04-25 Cary Coutant  <ccoutant@google.com>
3714
3715         * incremental-dump.cc (dump_incremental_inputs): Print local
3716         symbol info for each input file.
3717         * incremental.cc
3718         (Output_section_incremental_inputs::set_final_data_size): Add local
3719         symbol info to input file entries in incremental info.
3720         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3721         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3722         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3723         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3724         implementation.
3725         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3726         (Sized_incr_relobj::do_relocate): Write the local symbols.
3727         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3728         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3729         Adjust size of input file header.
3730         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3731         (Incremental_inputs_reader::get_local_symbol_count): New function.
3732         (Incremental_inputs_reader::get_input_section): Adjust size of input
3733         file header.
3734         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3735         (Sized_incr_relobj::This): New typedef.
3736         (Sized_incr_relobj::sym_size): New const data member.
3737         (Sized_incr_relobj::Local_symbol): New struct.
3738         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3739         (Sized_incr_relobj::do_local_symbol_offset): New function.
3740         (Sized_incr_relobj::local_symbol_count_): New data member.
3741         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3742         (Sized_incr_relobj::local_symbol_index_): New data member.
3743         (Sized_incr_relobj::local_symbol_offset_): New data member.
3744         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3745         (Sized_incr_relobj::local_symbols_): New data member.
3746         * object.h (Relobj::output_local_symbol_count): New function.
3747         (Relobj::local_symbol_offset): New function.
3748         (Relobj::do_output_local_symbol_count): New function.
3749         (Relobj::do_local_symbol_offset): New function.
3750         (Sized_relobj::do_output_local_symbol_count): New function.
3751         (Sized_relobj::do_local_symbol_offset): New function.
3752
3753 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3754
3755         * descriptors.cc (set_close_on_exec): New function.
3756         (Descriptors::open): Use set_close_on_exec.
3757         * output.cc (S_ISLNK): Define if not defined.
3758
3759 2011-04-22 Cary Coutant  <ccoutant@google.com>
3760
3761         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3762         global symbol map.
3763         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3764         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3765         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3766         relocations.
3767         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3768         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3769         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3770         * incremental.h
3771         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3772         function.
3773         (Incremental_binary::apply_incremental_relocs): New function.
3774         (Incremental_binary::do_apply_incremental_relocs): New function.
3775         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3776         data member.
3777         (Sized_incremental_binary::add_global_symbol): New function.
3778         (Sized_incremental_binary::global_symbol): New function.
3779         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3780         (Sized_incremental_binary::symbol_map_): New data member.
3781         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3782         * target.h (Sized_target::apply_relocation): New function.
3783         * target-reloc.h (apply_relocation): New function.
3784         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3785
3786 2011-04-22  Doug Kwan  <dougkwan@google.com>
3787
3788         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3789         flag of a SHT_ARM_EXIDX section.
3790         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3791         * testsuite/Makefile.in: Regenerate.
3792         * testsuite/arm_exidx_test.s: New file.
3793         * testsuite/arm_exidx_test.sh: Same.
3794
3795 2011-04-20 Cary Coutant  <ccoutant@google.com>
3796
3797         PR gold/12689
3798         * archive.h (Incremental_archive_entry::Archive_member):
3799         Initialize arg_serial_ (second constructor).
3800
3801 2011-04-17  Ian Lance Taylor  <iant@google.com>
3802
3803         * object.cc (Relocate_info::location): Simplify location string.
3804         * errors.cc (Errors::error_at_location): Don't print program
3805         name.
3806         (Errors::warning_at_location): Likewise.
3807         (Errors::undefined_symbol): Likewise.
3808         * testsuite/debug_msg.sh: Update accordingly.
3809
3810 2011-04-14 Cary Coutant  <ccoutant@google.com>
3811
3812         * gold/layout.cc (Layout::symtab_section_offset): New function.
3813         * gold/layout.h (Layout::symtab_section_offset): New function.
3814         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3815
3816 2011-04-12  Ian Lance Taylor  <iant@google.com>
3817
3818         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3819         with MREMAP_MAYMOVE.
3820         * output.h (class Output_file): Add map_is_allocated_ field.
3821         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3822         not available, provide stubs.  If mremap is not available, #define
3823         it to gold_mremap.
3824         (MREMAP_MAYMOVE): Define if not defined.
3825         (Output_file::Output_file): Initialize map_is_allocated_.
3826         (Output_file::resize): Check map_is_allocated_.
3827         (Output_file::map_anonymous): If mmap fails, use malloc.
3828         (Output_file::unmap): Don't do anything for an anonymous map.
3829         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3830         is not available, provide stubs.
3831         (File_read::View::~View): Use free rather than delete[].
3832         (File_read::make_view): Use malloc rather than new[].  If mmap
3833         fails, use malloc.
3834         (File_read::find_or_make_view): Use malloc rather than new[].
3835         * gold.h: Remove HAVE_REMAP code.
3836         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3837         exists.  Rename mremap to gold_mremap.  If mmap is not available
3838         don't do anything.
3839         * configure, config.in: Rebuild.
3840
3841 2011-04-11  Ian Lance Taylor  <iant@google.com>
3842
3843         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3844         initialize local variable v.
3845
3846 2011-04-11  Cary Coutant  <ccoutant@google.com>
3847
3848         * archive.cc (Archive::include_member): Adjust call to
3849         report_object.
3850         (Add_archive_symbols::run): Track argument serial numbers.
3851         (Lib_group::include_member): Likewise.
3852         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3853         * archive.h (Incremental_archive_entry::Archive_member):
3854         Initialize arg_serial_.
3855         (Archive_member::arg_serial_): New data member.
3856         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3857         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3858         incremental link.
3859         (Sized_dynobj::do_for_all_local_got_entries): New function.
3860         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3861         function.
3862         * fileread.cc (get_mtime): New function.
3863         * fileread.h (get_mtime): New function.
3864         * gold.cc (queue_initial_tasks): Check for incremental update.
3865         (process_incremental_input): New function.
3866         (queue_middle_tasks): Don't force valid target for incremental
3867         update.
3868         * incremental-dump.cc (find_input_containing_global): Adjust
3869         size of symbol info entry.
3870         (dump_incremental_inputs): Dump argument serial number and
3871         in_system_directory flag; bias shndx by 1; print symbol names
3872         when dumping per-file symbol lists; use new symbol info readers.
3873         * incremental.cc
3874         (Output_section_incremental_inputs:update_data_size): New function.
3875         (Sized_incremental_binary::setup_readers): Setup input readers
3876         for each input file; build maps for files added from libraries
3877         and scripts.
3878         (Sized_incremental_binary::check_input_args): New function.
3879         (Sized_incremental_binary::do_check_inputs): Build map of argument
3880         serial numbers to input arguments.
3881         (Sized_incremental_binary::do_file_has_changed): Rename
3882         do_file_is_unchanged to this; compare file modification times.
3883         (Sized_incremental_binary::do_init_layout): New function.
3884         (Sized_incremental_binary::do_reserve_layout): New function.
3885         (Sized_incremental_binary::do_get_input_reader): Remove.
3886         (Sized_incremental_binary::get_symtab_view): New function.
3887         (Incremental_checker::can_incrementally_link_output_file): Remove.
3888         (Incremental_inputs::report_command_line): Exclude --debug options.
3889         (Incremental_inputs::report_archive_begin): Add parameter; track
3890         argument serial numbers; don't put input file entry for archive
3891         before archive members.
3892         (Incremental_inputs::report_archive_end): Put input file entry
3893         for archive after archive members.
3894         (Incremental_inputs::report_object): Add parameter; track argument
3895         serial numbers and in_system_directory flag.
3896         (Incremental_inputs::report_script): Add parameter; track argument
3897         serial numbers.
3898         (Output_section_incremental_inputs::set_final_data_size): Adjust
3899         size of symbol info entry; check for forwarding symbols.
3900         (Output_section_incremental_inputs::write_input_files): Write
3901         in_system_directory flag and argument serial number.
3902         (Output_section_incremental_inputs::write_info_blocks): Map section
3903         indices between incremental info and original input file; store
3904         input section index for each symbol.
3905         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3906         change operator() to visit().
3907         (class Global_got_offset_visitor): Likewise.
3908         (class Global_symbol_visitor_got_plt):
3909         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3910         classes.
3911         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3912         (Sized_incr_relobj::do_read_symbols): New function.
3913         (Sized_incr_relobj::do_layout): New function.
3914         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3915         (Sized_incr_relobj::do_add_symbols): New function.
3916         (Sized_incr_relobj::do_should_include_member): New function.
3917         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3918         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3919         (Sized_incr_relobj::do_section_size): New function.
3920         (Sized_incr_relobj::do_section_name): New function.
3921         (Sized_incr_relobj::do_section_contents): New function.
3922         (Sized_incr_relobj::do_section_flags): New function.
3923         (Sized_incr_relobj::do_section_entsize): New function.
3924         (Sized_incr_relobj::do_section_address): New function.
3925         (Sized_incr_relobj::do_section_type): New function.
3926         (Sized_incr_relobj::do_section_link): New function.
3927         (Sized_incr_relobj::do_section_info): New function.
3928         (Sized_incr_relobj::do_section_addralign): New function.
3929         (Sized_incr_relobj::do_initialize_xindex): New function.
3930         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3931         (Sized_incr_relobj::do_read_relocs): New function.
3932         (Sized_incr_relobj::do_gc_process_relocs): New function.
3933         (Sized_incr_relobj::do_scan_relocs): New function.
3934         (Sized_incr_relobj::do_count_local_symbols): New function.
3935         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3936         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3937         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3938         (Sized_incr_relobj::do_relocate): New function.
3939         (Sized_incr_relobj::do_set_section_offset): New function.
3940         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3941         (Sized_incr_dynobj::do_read_symbols): New function.
3942         (Sized_incr_dynobj::do_layout): New function.
3943         (Sized_incr_dynobj::do_add_symbols): New function.
3944         (Sized_incr_dynobj::do_should_include_member): New function.
3945         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3946         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3947         (Sized_incr_dynobj::do_section_size): New function.
3948         (Sized_incr_dynobj::do_section_name): New function.
3949         (Sized_incr_dynobj::do_section_contents): New function.
3950         (Sized_incr_dynobj::do_section_flags): New function.
3951         (Sized_incr_dynobj::do_section_entsize): New function.
3952         (Sized_incr_dynobj::do_section_address): New function.
3953         (Sized_incr_dynobj::do_section_type): New function.
3954         (Sized_incr_dynobj::do_section_link): New function.
3955         (Sized_incr_dynobj::do_section_info): New function.
3956         (Sized_incr_dynobj::do_section_addralign): New function.
3957         (Sized_incr_dynobj::do_initialize_xindex): New function.
3958         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3959         (make_sized_incremental_object): New function.
3960         (Incremental_library::copy_unused_symbols): New function.
3961         (Incremental_library::do_for_all_unused_symbols): New function.
3962         * incremental.h (enum Incremental_input_flags): New type.
3963         (class Incremental_checker): Remove.
3964         (Incremental_input_entry::Incremental_input_entry): Add argument
3965         serial number.
3966         (Incremental_input_entry::arg_serial): New function.
3967         (Incremental_input_entry::set_is_in_system_directory): New function.
3968         (Incremental_input_entry::is_in_system_directory): New function.
3969         (Incremental_input_entry::arg_serial_): New data member.
3970         (Incremental_input_entry::is_in_system_directory_): New data member.
3971         (class Script_info): Move here from script.h.
3972         (Script_info::Script_info): Add filename parameter.
3973         (Script_info::filename): New function.
3974         (Script_info::filename_): New data member.
3975         (Incremental_script_entry::Incremental_script_entry): Add argument
3976         serial number.
3977         (Incremental_object_entry::Incremental_object_entry): Likewise.
3978         (Incremental_object_entry::add_input_section): Build list of input
3979         sections with map to original shndx.
3980         (Incremental_object_entry::get_input_section_index): New function.
3981         (Incremental_object_entry::shndx_): New data member.
3982         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3983         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3984         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3985         serial number.
3986         (Incremental_inputs::report_archive_begin): Likewise.
3987         (Incremental_inputs::report_object): Likewise.
3988         (Incremental_inputs::report_script): Likewise.
3989         (class Incremental_global_symbol_reader): New class.
3990         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3991         and store flags and input file type.
3992         (Incremental_input_entry_reader::arg_serial): New function.
3993         (Incremental_input_entry_reader::type): Extract type from flags.
3994         (Incremental_input_entry_reader::is_in_system_directory): New function.
3995         (Incremental_input_entry_reader::get_input_section_count): Call
3996         accessor function for type.
3997         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3998         function for type; adjust size of global symbol entry.
3999         (Incremental_input_entry_reader::get_global_symbol_count): Call
4000         accessor function for type.
4001         (Incremental_input_entry_reader::get_object_count): Likewise.
4002         (Incremental_input_entry_reader::get_object_offset): Likewise.
4003         (Incremental_input_entry_reader::get_member_count): Likewise.
4004         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4005         (Incremental_input_entry_reader::get_member_offset): Likewise.
4006         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4007         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4008         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4009         (Incremental_input_entry_reader::get_global_symbol_reader): New
4010         function.
4011         (Incremental_input_entry_reader::get_output_symbol_index): New
4012         function.
4013         (Incremental_input_entry_reader::type_): Remove.
4014         (Incremental_input_entry_reader::flags_): New data member.
4015         (Incremental_inputs_reader::input_file_offset): New function.
4016         (Incremental_inputs_reader::input_file_index): New function.
4017         (Incremental_inputs_reader::input_file): Call input_file_offset.
4018         (Incremental_inputs_reader::input_file_at_offset): New function.
4019         (Incremental_relocs_reader::get_r_type): Reformat.
4020         (Incremental_relocs_reader::get_r_shndx): Reformat.
4021         (Incremental_relocs_reader::get_r_offset): Reformat.
4022         (Incremental_relocs_reader::data): New function.
4023         (Incremental_binary::Incremental_binary): Initialize new data members.
4024         (Incremental_binary::check_inputs): Add cmdline parameter.
4025         (Incremental_binary::file_is_unchanged): Remove.
4026         (Input_reader::arg_serial): New function.
4027         (Input_reader::get_unused_symbol_count): New function.
4028         (Input_reader::get_unused_symbol): New function.
4029         (Input_reader::do_arg_serial): New function.
4030         (Input_reader::do_get_unused_symbol_count): New function.
4031         (Input_reader::do_get_unused_symbol): New function.
4032         (Incremental_binary::input_file_count): New function.
4033         (Incremental_binary::get_input_reader): Change signature to use
4034         index instead of filename.
4035         (Incremental_binary::file_has_changed): New function.
4036         (Incremental_binary::get_input_argument): New function.
4037         (Incremental_binary::get_library): New function.
4038         (Incremental_binary::get_script_info): New function.
4039         (Incremental_binary::init_layout): New function.
4040         (Incremental_binary::reserve_layout): New function.
4041         (Incremental_binary::output_file): New function.
4042         (Incremental_binary::do_check_inputs): New function.
4043         (Incremental_binary::do_file_is_unchanged): Remove.
4044         (Incremental_binary::do_file_has_changed): New function.
4045         (Incremental_binary::do_init_layout): New function.
4046         (Incremental_binary::do_reserve_layout): New function.
4047         (Incremental_binary::do_input_file_count): New function.
4048         (Incremental_binary::do_get_input_reader): Change signature.
4049         (Incremental_binary::input_args_map_): New data member.
4050         (Incremental_binary::library_map_): New data member.
4051         (Incremental_binary::script_map_): New data member.
4052         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4053         new data members.
4054         (Sized_incremental_binary::output_section): New function.
4055         (Sized_incremental_binary::inputs_reader): Add const.
4056         (Sized_incremental_binary::symtab_reader): Add const.
4057         (Sized_incremental_binary::relocs_reader): Add const.
4058         (Sized_incremental_binary::got_plt_reader): Add const.
4059         (Sized_incremental_binary::get_symtab_view): New function.
4060         (Sized_incremental_binary::Inputs_reader): New typedef.
4061         (Sized_incremental_binary::Input_entry_reader): New typedef.
4062         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4063         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4064         (Sized_incremental_binary::do_file_has_changed): New function.
4065         (Sized_incremental_binary::do_init_layout): New function.
4066         (Sized_incremental_binary::do_reserve_layout): New function.
4067         (Sized_input_reader::Inputs_reader): Remove.
4068         (Sized_input_reader::Input_entry_reader): Remove.
4069         (Sized_input_reader::do_arg_serial): New function.
4070         (Sized_input_reader::do_get_unused_symbol_count): New function.
4071         (Sized_input_reader::do_get_unused_symbol): New function.
4072         (Sized_incremental_binary::do_input_file_count): New function.
4073         (Sized_incremental_binary::do_get_input_reader): Change signature;
4074         use index instead of filename.
4075         (Sized_incremental_binary::section_map_): New data member.
4076         (Sized_incremental_binary::input_entry_readers_): New data member.
4077         (class Sized_incr_relobj): New class.
4078         (class Sized_incr_dynobj): New class.
4079         (make_sized_incremental_object): New function.
4080         (class Incremental_library): New class.
4081         * layout.cc (Free_list::num_lists): New static data member.
4082         (Free_list::num_nodes): New static data member.
4083         (Free_list::num_removes): New static data member.
4084         (Free_list::num_remove_visits): New static data member.
4085         (Free_list::num_allocates): New static data member.
4086         (Free_list::num_allocate_visits): New static data member.
4087         (Free_list::init): New function.
4088         (Free_list::remove): New function.
4089         (Free_list::allocate): New function.
4090         (Free_list::dump): New function.
4091         (Free_list::print_stats): New function.
4092         (Layout_task_runner::run): Resize output file for incremental updates.
4093         (Layout::Layout): Initialize new data members.
4094         (Layout::set_incremental_base): New function.
4095         (Layout::init_fixed_output_section): New function.
4096         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4097         incremental updates.
4098         (Layout::create_gold_note): Do not create gold note section for
4099         incremental updates.
4100         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4101         for incremental updates.
4102         (Layout::set_section_offsets): For incremental updates, allocate space
4103         from free list.
4104         (Layout::create_symtab_sections): Layout with offsets relative to
4105         start of section; for incremental updates, allocate space from free
4106         list.
4107         (Layout::create_shdrs): For incremental updates, allocate space from
4108         free list.
4109         (Layout::finish_dynamic_section): For incremental updates, do not
4110         check --as-needed (fixed in subsequent patch).
4111         * layout.h (class Free_list): New class.
4112         (Layout::set_incremental_base): New function.
4113         (Layout::incremental_base): New function.
4114         (Layout::init_fixed_output_section): New function.
4115         (Layout::allocate): New function.
4116         (Layout::incremental_base_): New data member.
4117         (Layout::free_list_): New data member.
4118         * main.cc (main): Print Free_list statistics.
4119         * object.cc (Relobj::finalize_incremental_relocs): Add
4120         clear_counts parameter; clear counts only when clear_counts is set.
4121         (Sized_relobj::Sized_relobj): Initialize new base class.
4122         (Sized_relobj::do_layout): Don't report special sections.
4123         (Sized_relobj::do_for_all_local_got_entries): New function.
4124         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4125         symtab_off to all symbol table offsets.
4126         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4127         * object.h (class Got_offset_list): Move to top of file.
4128         (Object::Object): Allow case where input_file == NULL.
4129         (Object::~Object): Likewise.
4130         (Object::input_file): Assert that input_file != NULL.
4131         (Object::lock): Allow case where input_file == NULL.
4132         (Object::unlock): Likewise.
4133         (Object::is_locked): Likewise.
4134         (Object::token): Likewise.
4135         (Object::release): Likewise.
4136         (Object::is_incremental): New function.
4137         (Object::get_mtime): New function.
4138         (Object::for_all_local_got_entries): New function.
4139         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4140         (Object::set_is_in_system_directory): New function.
4141         (Object::is_in_system_directory): New function.
4142         (Object::do_is_incremental): New function.
4143         (Object::do_get_mtime): New function.
4144         (Object::do_for_all_local_got_entries): New function.
4145         (Object::is_in_system_directory_): New data member.
4146         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4147         (class Sized_relobj_base): New class.
4148         (class Sized_relobj): Derive from Sized_relobj_base.
4149         (class Sized_relobj::Symbols): Redeclare from base class.
4150         (class Sized_relobj::local_got_offset_list): Remove.
4151         (class Sized_relobj::Output_sections): Redeclare from base class.
4152         (class Sized_relobj::do_for_all_local_got_entries): New function.
4153         (class Sized_relobj::write_local_symbols): Add offset parameter.
4154         (class Sized_relobj::local_symbol_offset_): Update comment.
4155         (class Sized_relobj::local_dynsym_offset_): Update comment.
4156         * options.cc (Input_arguments::add_file): Remove const.
4157         * options.h (Input_file_argument::Input_file_argument):
4158         Initialize arg_serial_ (all constructors).
4159         (Input_file_argument::set_arg_serial): New function.
4160         (Input_file_argument::arg_serial): New function.
4161         (Input_file_argument::arg_serial_): New data member.
4162         (Input_arguments::Input_arguments): Initialize file_count_.
4163         (Input_arguments::add_file): Remove const.
4164         (Input_arguments::number_of_input_files): New function.
4165         (Input_arguments::file_count_): New data member.
4166         (Command_line::number_of_input_files): Call
4167         Input_arguments::number_of_input_files.
4168         * output.cc (Output_segment_headers::Output_segment_headers):
4169         Set current size.
4170         (Output_section::Input_section::current_data_size): New function.
4171         (Output_section::Output_section): Initialize new data members.
4172         (Output_section::add_input_section): Don't do merge sections for
4173         an incremental link; allocate space from free list for an
4174         incremental update.
4175         (Output_section::add_output_section_data): Allocate space from
4176         free list for an incremental update.
4177         (Output_section::update_data_size): New function.
4178         (Output_section::set_fixed_layout): New function.
4179         (Output_section::reserve): New function.
4180         (Output_segment::set_section_addresses): Remove const.
4181         (Output_segment::set_section_list_addresses): Remove const; allocate
4182         space from free list for an incremental update.
4183         (Output_segment::set_offset): Adjust size of RELRO segment for an
4184         incremental update.
4185         * output.h (Output_data::current_data_size): Move here from
4186         child classes.
4187         (Output_data::pre_finalize_data_size): New function.
4188         (Output_data::update_data_size): New function.
4189         (Output_section_headers::update_data_size): new function.
4190         (Output_section_data_build::current_data_size): Move to Output_data.
4191         (Output_data_strtab::update_data_size): New function.
4192         (Output_section::current_data_size): Move to Output_data.
4193         (Output_section::set_fixed_layout): New function.
4194         (Output_section::has_fixed_layout): New function.
4195         (Output_section::reserve): New function.
4196         (Output_section::update_data_size): New function.
4197         (Output_section::has_fixed_layout_): New data member.
4198         (Output_section::free_list_): New data member.
4199         (Output_segment::set_section_addresses): Remove const.
4200         (Output_segment::set_section_list_addresses): Remove const.
4201         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4202         New function.
4203         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4204         New function.
4205         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4206         parameter when calling Add_symbols constructor; store argument
4207         serial number for members of a lib group.
4208         (Add_symbols::locks): Allow case where token == NULL.
4209         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4210         (Read_member::~Read_member): New function.
4211         (Read_member::is_runnable): New function.
4212         (Read_member::locks): New function.
4213         (Read_member::run): New function.
4214         (Check_script::~Check_script): New function.
4215         (Check_script::is_runnable): New function.
4216         (Check_script::locks): New function.
4217         (Check_script::run): New function.
4218         (Check_library::~Check_library): New function.
4219         (Check_library::is_runnable): New function.
4220         (Check_library::locks): New function.
4221         (Check_library::run): New function.
4222         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4223         (Add_symbols::library_): New data member.
4224         (class Read_member): New class.
4225         (class Check_script): New class.
4226         (class Check_library): New class.
4227         * reloc.cc (Read_relocs::is_runnable): Allow case where
4228         token == NULL.
4229         (Read_relocs::locks): Likewise.
4230         (Scan_relocs::locks): Likewise.
4231         (Relocate_task::locks): Likewise.
4232         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4233         to clear counters.
4234         (Sized_relobj::incremental_relocs_scan): Fix comment.
4235         (Sized_relobj::do_relocate): Pass output file offset to
4236         write_local_symbols.
4237         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4238         from class declaration.
4239         * script.cc (read_input_script): Allocate Script_info; pass
4240         argument serial number to report_script.
4241         * script.h (class Script_info): Move to incremental.h.
4242         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4243         * symtab.h (Symbol_table::add_from_incrobj): New function.
4244         (Symbol_table::set_file_offset): New function.
4245
4246 2011-04-05  Cary Coutant  <ccoutant@google.com>
4247
4248         * incremental-dump.cc (dump_incremental_inputs): Change signature
4249         to take a Sized_incremental_binary; change caller.  Use readers
4250         in Sized_incremental_binary.
4251         * incremental.cc
4252         (Sized_incremental_binary::find_incremental_inputs_sections):
4253         Rename do_find_incremental_inputs_sections to this.
4254         (Sized_incremental_binary::setup_readers): New function.
4255         (Sized_incremental_binary::do_check_inputs): Check
4256         has_incremental_info_ flag; move setup code to setup_readers;
4257         use input readers.
4258         (Sized_incremental_binary::do_file_is_unchanged): New function.
4259         (Sized_incremental_binary::do_get_input_reader): New function.
4260         * incremental.h (class Incremental_binary): Move to end of file.
4261         (Incremental_binary::file_is_unchanged): New function.
4262         (Incremental_binary::do_file_is_unchanged): New function.
4263         (Incremental_binary::Input_reader): New class.
4264         (Incremental_binary::get_input_reader): New function.
4265         (class Sized_incremental_binary): Move to end of file.
4266         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4267         input section reader classes.
4268         (Sized_incremental_binary::has_incremental_info): New function.
4269         (Sized_incremental_binary::inputs_reader): New function.
4270         (Sized_incremental_binary::symtab_reader): New function.
4271         (Sized_incremental_binary::relocs_reader): New function.
4272         (Sized_incremental_binary::got_plt_reader): New function.
4273         (Sized_incremental_binary::do_file_is_unchanged): New function.
4274         (Sized_incremental_binary::Sized_input_reader): New class.
4275         (Sized_incremental_binary::get_input_reader): New function.
4276         (Sized_incremental_binary::find_incremental_inputs_sections):
4277         Rename do_find_incremental_inputs_sections to this.
4278         (Sized_incremental_binary::setup_readers): New function.
4279         (Sized_incremental_binary::has_incremental_info_): New data member.
4280         (Sized_incremental_binary::inputs_reader_): New data member.
4281         (Sized_incremental_binary::symtab_reader_): New data member.
4282         (Sized_incremental_binary::relocs_reader_): New data member.
4283         (Sized_incremental_binary::got_plt_reader_): New data member.
4284         (Sized_incremental_binary::current_input_file_): New data member.
4285
4286 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4287
4288         PR gold/12640
4289         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4290         violation.
4291
4292 2011-03-30  Cary Coutant  <ccoutant@google.com>
4293
4294         * archive.cc (Archive::include_member): Adjust call to report_object.
4295         (Add_archive_symbols::run): Add script_info to call to
4296         report_archive_begin.
4297         (Lib_group::include_member): Adjust call to report_object.
4298         (Add_lib_group_symbols::run): Adjust call to report_object.
4299         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4300         blocks.  Add object count for script input files.
4301         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4302         script_info parameter; change all callers.
4303         (Incremental_inputs::report_object): Add script_info parameter;
4304         change all callers.
4305         (Incremental_inputs::report_script): Store backpointer to
4306         incremental info entry.
4307         (Output_section_incremental_inputs::set_final_data_size): Record
4308         additional information for scripts.
4309         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4310         * incremental.h (Incremental_script_entry::add_object): New function.
4311         (Incremental_script_entry::get_object_count): New function.
4312         (Incremental_script_entry::get_object): New function.
4313         (Incremental_script_entry::objects_): New data member; adjust
4314         constructor.
4315         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4316         (Incremental_inputs::report_object): Add script_info parameter.
4317         (Incremental_inputs_reader::get_object_count): New function.
4318         (Incremental_inputs_reader::get_object_offset): New function.
4319         * options.cc (Input_arguments::add_file): Return reference to
4320         new input argument.
4321         * options.h (Input_argument::set_script_info): New function.
4322         (Input_argument::script_info): New function.
4323         (Input_argument::script_info_): New data member; adjust all
4324         constructors.
4325         (Input_file_group::add_file): Return reference to new input argument.
4326         (Input_file_lib::add_file): Likewise.
4327         (Input_arguments::add_file): Likewise.
4328         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4329         * script.cc (Parser_closure::Parser_closure): Add script_info
4330         parameter; adjust all callers.
4331         (Parser_closure::script_info): New function.
4332         (Parser_closure::script_info_): New data member.
4333         (read_input_script): Report scripts earlier to incremental info.
4334         (script_add_file): Set script_info in Input_argument.
4335         (script_add_library): Likewise.
4336         * script.h (Script_options::Script_info): Rewrite class.
4337
4338 2011-03-29  Cary Coutant  <ccoutant@google.com>
4339
4340         * archive.cc (Library_base::should_include_member): Move
4341         method here from class Archive.
4342         (Archive::Archive): Initialize base class.
4343         (Archive::should_include_member): Move to base class.
4344         (Archive::do_for_all_unused_symbols): New function.
4345         (Add_archive_symbols::run): Remove redundant access to
4346         incremental_inputs.
4347         (Lib_group::Lib_group): Initialize base class.
4348         (Lib_group::do_filename): New function.
4349         (Lib_group::include_member): Pass pointer to Lib_group to
4350         report_object.
4351         (Lib_group::do_for_all_unused_symbols): New function.
4352         (Add_lib_group_symbols::run): Report archive information for
4353         incremental links.
4354         * archive.h (class Library_base): New base class.
4355         (class Archive): Derive from Library_base.
4356         (Archive::filename): Move to base class.
4357         (Archive::set_incremental_info): Likewise.
4358         (Archive::incremental_info): Likewise.
4359         (Archive::Should_include): Likewise.
4360         (Archive::should_include_member): Likewise.
4361         (Archive::Armap_entry): Remove.
4362         (Archive::Unused_symbol_iterator): Remove.
4363         (Archive::unused_symbols_begin): Remove.
4364         (Archive::unused_symbols_end): Remove.
4365         (Archive::do_filename): New function.
4366         (Archive::do_get_mtime): New function.
4367         (Archive::do_for_all_unused_symbols): New function.
4368         (Archive::task_): Move to base class.
4369         (Archive::incremental_info_): Likewise.
4370         (class Lib_group): Derive from Library_base.
4371         (Lib_group::do_filename): New function.
4372         (Lib_group::do_get_mtime): New function.
4373         (Lib_group::do_for_all_unused_symbols): New function.
4374         (Lib_group::task_): Move to base class.
4375         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4376         function.
4377         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4378         function.
4379         * incremental.cc (Incremental_inputs::report_archive_begin):
4380         Use Library_base; call library's get_mtime; add incremental inputs
4381         entry before members.
4382         (class Unused_symbol_visitor): New class.
4383         (Incremental_inputs::report_archive_end): Use Library_base; use
4384         visitor class to record unused symbols; don't add incremental inputs
4385         entry after members.
4386         (Incremental_inputs::report_object): Use Library_base.
4387         * incremental.h
4388         (Incremental_archive_entry::Incremental_archive_entry): Remove
4389         unused Archive parameter.
4390         (Incremental_inputs::report_archive_begin): Use Library_base.
4391         (Incremental_inputs::report_archive_end): Likewise.
4392         (Incremental_inputs::report_object): Likewise.
4393         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4394         function.
4395         * object.h (Object::for_all_global_symbols): New function.
4396         (Object::do_for_all_global_symbols): New function.
4397         (Sized_relobj::do_for_all_global_symbols): New function.
4398         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4399         function.
4400         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4401         function.
4402
4403 2011-03-27  Ian Lance Taylor  <iant@google.com>
4404
4405         * archive.cc (Archive::interpret_header): Return -1 if something
4406         goes wrong.  Change callers accordingly.
4407
4408 2011-03-25  Cary Coutant  <ccoutant@google.com>
4409
4410         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4411         * testsuite/Makefile.in: Regenerate.
4412
4413 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4414
4415         * plugin.cc (get_view): New.
4416         (Plugin::load): Pass get_view to the plugin.
4417         (Plugin_manager::get_view): New.
4418
4419 2011-03-21  Ian Lance Taylor  <iant@google.com>
4420
4421         * testsuite/final_layout.sh: Rewrite to not use dc.
4422         * testsuite/relro_test.sh: Fail if dc is not present.
4423
4424 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4425
4426         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4427         Change == to -eq.
4428         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4429         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4430         Change == to -eq.
4431         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4432         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4433
4434 2011-03-14  Ian Lance Taylor  <iant@google.com>
4435
4436         * script-sections.cc (Sort_output_sections::script_compare):
4437         Rename from is_before, change return type.
4438         (Sort_output_sections::operator()): Adjust accordingly.
4439
4440 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4441
4442         PR gold/12572
4443         * testsuite/odr_violation2.cc: Add comment to make all error line
4444         numbers double digits.
4445         * testsuite/debug_msg.sh: Adjust expected errors.
4446
4447 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4448
4449         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4450         but mark earlier ones as non-canonical
4451         (offset_to_iterator): Update search target and example
4452         (do_addr2line): Return extra lines in a vector*
4453         (format_file_lineno): Extract from do_addr2line
4454         (one_addr2line): Add vector* out-param
4455         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4456         when a lineno entry appeared last for its instruction
4457         (Dwarf_line_info): Add vector* out-param
4458         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4459         * symtab.cc (Odr_violation_compare): Include the lineno in the
4460         comparison again.
4461         (linenos_from_loc): New. Combine the canonical line for an
4462         address with its other lines.
4463         (True_if_intersect): New. Helper functor to make
4464         std::set_intersection a query.
4465         (detect_odr_violations): Compare sets of lines instead of just
4466         one line for each function. This became less deterministic, but
4467         has fewer false positives.
4468         * symtab.h: Declarations.
4469         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4470         mix an optimized and non-optimized object in the same binary
4471         (odr_violation2.so): Same.
4472         * testsuite/Makefile.in: Regenerate from Makefile.am.
4473         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4474         * testsuite/debug_msg.sh: Update line numbers and add
4475         assertions.
4476         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4477         non-optimized context.
4478         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4479         isn't inlined, and use OdrDerived in an optimized context.
4480         * testsuite/odr_header1.h: Defines OdrDerived, where
4481         optimization will change the
4482         first-instruction-in-the-destructor's file and line number.
4483         * testsuite/odr_header2.h: Defines OdrBase.
4484
4485 2011-03-09  Ian Lance Taylor  <iant@google.com>
4486
4487         * fileread.cc (File_read::clear_views): Don't delete the whole
4488         file view.
4489
4490 2011-03-08  Ian Lance Taylor  <iant@google.com>
4491
4492         PR gold/12525
4493         * fileread.cc: #include <climits>.
4494         (GOLD_IOV_MAX): Define.
4495         (File_read::read_multiple): Limit number of entries by iov_max.
4496         * fileread.h (class File_read): Always set max_readv_entries to
4497         128.
4498
4499 2011-03-07  Ian Lance Taylor  <iant@google.com>
4500
4501         PR gold/12525
4502         * options.h (class General_options): Add -dy and -dn.
4503
4504 2011-03-02  Cary Coutant  <ccoutant@google.com>
4505
4506         * testsuite/script_test_9.t: Add TLS segment.
4507
4508 2011-03-02  Simon Baldwin  <simonb@google.com>
4509
4510         * configure.ac: Add check for gnu_indirect_function support in
4511         the toolchain building binutils.
4512         * configure: Rebuild.
4513
4514 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4515
4516         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4517         plugin only symbols.
4518         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4519         in plugin files as not needed in the symbol table.
4520
4521 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4522
4523         * output.cc (Output_section::add_input_section): Delay fill
4524         generation for section ordering.
4525
4526 2011-02-09  Ian Lance Taylor  <iant@google.com>
4527
4528         PR gold/12316
4529         * object.h (class Sized_relobj): Remove clear_local_symbols.
4530         * reloc.cc (Sized_relobj::do_relocate): Don't call
4531         clear_local_symbols.
4532
4533 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4534
4535         * plugin.cc (is_visible_from_outside): Return true for symbols
4536         in the -u option.
4537
4538 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4539
4540         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4541         filename.
4542
4543 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4544
4545         * icf.h (is_section_foldable_candidate): Change type of parameter
4546         to std::string.
4547         * icf.cc (Icf::find_identical_sections): Change type of local variable
4548         section_name to be std::string.
4549         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4550
4551 2011-01-25  Ian Lance Taylor  <iant@google.com>
4552
4553         * script.cc (script_add_extern): Rewrite to use
4554         add_symbol_reference.
4555
4556 2011-01-25  Doug Kwan  <dougkwan@google.com>
4557
4558         * icf.cc (get_section_contents): Always lock section's object.
4559
4560 2011-01-24  Ian Lance Taylor  <iant@google.com>
4561
4562         * options.h (class General_options): Accept
4563         --no-detect-odr-violations.
4564
4565 2011-01-24  Ian Lance Taylor  <iant@google.com>
4566
4567         * version.cc (version_string): Bump to 1.11.
4568
4569 2011-01-24  Ian Lance Taylor  <iant@google.com>
4570
4571         * plugin.cc (class Plugin_rescan): Define new class.
4572         (Plugin_manager::claim_file): Set any_claimed_.
4573         (Plugin_manager::save_archive): New function.
4574         (Plugin_manager::save_input_group): New function.
4575         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4576         necessary.
4577         (Plugin_manager::new_undefined_symbol): New function.
4578         (Plugin_manager::rescan): New function.
4579         (Plugin_manager::rescannable_defines): New function.
4580         (Plugin_manager::add_input_file): Set any_added_.
4581         * plugin.h (class Plugin_manager): define new fields rescannable_,
4582         undefined_symbols_, any_claimed_, and any_added_.  Declare
4583         Plugin_rescan as friend.  Declare new functions.
4584         (Plugin_manager::Rescannable): Define type.
4585         (Plugin_manager::Rescannable_list): Define type.
4586         (Plugin_manager::Undefined_symbol_list): Define type.
4587         (Plugin_manager::Plugin_manager): Initialize new fields.
4588         * archive.cc (Archive::defines_symbol): New function.
4589         (Add_archive_symbols::run): Pass archive to plugins if any.
4590         * archive.h (class Archive): Declare defines_symbol.
4591         * readsyms.cc (Input_group::~Input_group): New function.
4592         (Finish_group::run): Pass input_group to plugins if any.
4593         * readsyms.h (class Input_group): Declare destructor.
4594         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4595         any.
4596
4597 2011-01-10  Ian Lance Taylor  <iant@google.com>
4598
4599         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4600         section as relro.
4601         (Layout::set_segment_offsets): Reset increase_relro before calling
4602         set_section_addresses a second time.
4603
4604 2011-01-04  Cary Coutant  <ccoutant@google.com>
4605
4606         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4607         sections before NOBITS sections.
4608
4609 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4610
4611         * version.cc (print_version): Update copyright to 2011.
4612
4613 2010-12-23  Cary Coutant  <ccoutant@google.com>
4614
4615         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4616         of OS to this->add.  Add OD parameter to second form of the function.
4617
4618 2010-12-20  Ian Lance Taylor  <iant@google.com>
4619
4620         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4621         second of two consecutive entries with same offset.
4622
4623 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4624
4625         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4626         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4627         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4628         to avoid unneeded links against $(LDADD).
4629         * testsuite/Makefile.in: Regenerate.
4630
4631 2010-12-15  Ian Lance Taylor  <iant@google.com>
4632
4633         PR gold/12324
4634         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4635         for R_X86_64_32 and R_X86_64_PC32.
4636         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4637         ver_matching_def_pic.o.
4638         (ver_matching_def_pic.o): New target.
4639
4640 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4641
4642         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4643         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4644         Move definition before File_read::View member definitions.
4645         (File_read::View::~View): Initialize and hold lock before
4646         updating current_mapped_bytes.
4647
4648 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4649
4650         * dwarf_reader.cc: Remove outdated comment.
4651         * gold-threads.cc: Fix typo in error message.
4652         * archive.cc: Fix typos in comments.
4653         * archive.h: Likewise.
4654         * arm-reloc-property.cc: Likewise.
4655         * arm-reloc-property.h: Likewise.
4656         * arm-reloc.def: Likewise.
4657         * arm.cc: Likewise.
4658         * attributes.h: Likewise.
4659         * cref.cc: Likewise.
4660         * ehframe.cc: Likewise.
4661         * fileread.h: Likewise.
4662         * gold.h: Likewise.
4663         * i386.cc: Likewise.
4664         * icf.cc: Likewise.
4665         * incremental.h: Likewise.
4666         * int_encoding.cc: Likewise.
4667         * layout.h: Likewise.
4668         * main.cc: Likewise.
4669         * merge.h: Likewise.
4670         * object.cc: Likewise.
4671         * object.h: Likewise.
4672         * options.cc: Likewise.
4673         * readsyms.cc: Likewise.
4674         * reduced_debug_output.cc: Likewise.
4675         * reloc.cc: Likewise.
4676         * script-sections.cc: Likewise.
4677         * sparc.cc: Likewise.
4678         * symtab.h: Likewise.
4679         * target-reloc.h: Likewise.
4680         * target.cc: Likewise.
4681         * target.h: Likewise.
4682         * timer.cc: Likewise.
4683         * timer.h: Likewise.
4684         * x86_64.cc: Likewise.
4685
4686 2010-12-09  Cary Coutant  <ccoutant@google.com>
4687
4688         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4689         stack.
4690         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4691         parameter; change all callers.
4692         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4693         * options.h (warn_execstack): New option.
4694
4695 2010-12-07  Doug Kwan  <dougkwan@google.com>
4696
4697         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4698         like function call relocations.
4699
4700 2010-12-07  Ian Lance Taylor  <iant@google.com>
4701
4702         * archive.cc (Archive::get_elf_object_for_member): Permit
4703         punconfigured to be NULL.
4704         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4705         (Archive::include_member): Pass NULL to get_elf_object_for_member
4706         if we searched for the archive and this is the first included
4707         object.
4708
4709 2010-12-01  Ian Lance Taylor  <iant@google.com>
4710
4711         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4712         track_relocs_type_ field.
4713         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4714         Set track_relocs_type_.
4715         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4716         contents when using RELA relocs.
4717         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4718         reloc_map_.
4719         * reloc.cc (Track_relocs::next_addend): New function.
4720         * reloc.h (class Track_relocs): Declare next_addend.
4721
4722 2010-12-01  Ian Lance Taylor  <iant@google.com>
4723
4724         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4725         virtual destructor.
4726
4727 2010-12-01  Ian Lance Taylor  <iant@google.com>
4728
4729         * README: Update compilers known to work and fail.
4730
4731 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4732
4733         * configure.in: For --enable-gold, handle value `default' instead of
4734         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4735         not the default.
4736         * configure: Regenerate.
4737
4738 2010-11-18  Doug Kwan  <dougkwan@google.com>
4739
4740         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4741         and right_alignment to be zero.  Store result alignment only if it is
4742         greater than existing alignment.
4743
4744 2010-11-16  Cary Coutant  <ccoutant@google.com>
4745
4746         PR gold/12220
4747         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4748         Check for ".zdebug_line".
4749
4750 2010-11-16  Doug Kwan  <dougkwan@google.com>
4751             Cary Coutant  <ccoutant@google.com>
4752
4753         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4754         by reference; adjust all callers.
4755         * output.cc (Output_segment::set_section_addresses): Adjust references
4756         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4757         list is empty.
4758         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4759         end at page boundary.
4760
4761 2010-11-16  Cary Coutant  <ccoutant@google.com>
4762
4763         PR gold/12220
4764         * layout.cc (Layout::choose_output_section): Transform names of
4765         compressed sections even when using a script with a SECTIONS clause.
4766         (Layout::output_section_name): Remove code to transform
4767         compressed debug section names.
4768         * output.cc (Output_section::add_input_section): Use uncompressed
4769         section size when tracking input sections.
4770
4771 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4772
4773         * symtab.h (Symbol::NON_PIC_REF): Remove.
4774         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4775         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4776         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4777         (Symbol::use_plt_offset): Take a flags argument and pass it
4778         directly to needs_dynamic_reloc.  Restrict check for undefined
4779         weak symbols to function calls.
4780         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4781         (Target_arm::Scan::global): Use it.
4782         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4783         (Target_arm::Relocate::relocate): Likewise.
4784         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4785         parameter with an r_type parameter.  Use get_reference_flags
4786         to get the flags.
4787         (Target_arm::Relocate::relocate): Update accordingly.
4788         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4789         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4790         (Target_i386::Scan::global): Likewise.
4791         (Target_i386::Relocate::relocate): Likewise.
4792         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4793         parameter with an r_type parameter.  Use get_reference_flags
4794         to get the flags.
4795         (Target_i386::Relocate::relocate): Update accordingly.
4796         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4797         (Target_powerpc::Scan::global): Use it.
4798         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4799         (Target_powerpc::Relocate::relocate): Likewise.
4800         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4801         (Target_sparc::Scan::global): Use it.
4802         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4803         (Target_sparc::Relocate::relocate): Likewise.
4804         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4805         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4806         (Target_x86_64::Scan::global): Likewise.
4807         (Target_x86_64::Relocate::relocate): Likewise.
4808
4809 2010-11-08  Doug Kwan  <dougkwan@google.com>
4810             Cary Coutant  <ccoutant@google.com>
4811
4812         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4813         (Arm_exidx_merge_section::section_contents_): New data member.
4814         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4815         (Arm_input_section::~Arm_input_section): De-allocate memory.
4816         (Arm_input_section::original_contents_): New data member.
4817         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4818         in parameters instead of calling Object::section_contents without
4819         locking.
4820         (Arm_output_section::group_section): New parameter TASK.  Pass it
4821         to callees that need locking objects.
4822         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4823         to lock EXIDX input sections.  Fix a formatting issue.  Call
4824         Arm_exidx_merged_section::build_contents to create merged section
4825         contents.
4826         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4827         to lock object of stub table owner.
4828         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4829         TEXT_SIZE to initialize data member TEXT_SIZE_.
4830         (Arm_exidx_input_section::addralign): Fix typo in comment.
4831         (Arm_exidx_input_section::text_size): New method.
4832         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4833         that require locking objects.  Lock objects before scanning for stubs
4834         and updating local symbols.
4835         (Arm_input_section<big_endian>::init): Copy contents of original
4836         input section.
4837         (Arm_input_section<big_endian>::do_write): Use saved contents of
4838         original input section instead of calling Object::section_contents
4839         without locking.
4840         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4841         size without calling Object::section_size().
4842         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4843         for size.  Allocate a buffer for merged EXIDX entries.
4844         (Arm_exidx_merged_section::build_contents): New method.
4845         (Arm_exidx_merged_section::do_write): Move merge section contents
4846         building code to Arm_exidx_merged_section::build_contetns.  Write
4847         out contetns in buffer instead of building it on the fly.
4848         (Arm_relobj::make_exidx_input_section): Also pass text section size
4849         to Arm_exidx_input_section constructor.
4850         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4851         (Arm_dynobj::do_read_symbols): Fix memory leak.
4852         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4853         * target.h: (class Task): Add forward declaration.
4854         (Target::relax): Add new parameter TASK and pass it to
4855         Target::do_relax().
4856         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4857
4858 2010-11-05  Cary Coutant  <ccoutant@google.com>
4859
4860         PR gold/10708
4861         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4862         object when reading from the file.
4863         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4864         second layout pass.
4865         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4866         when reading section contents.
4867         (get_section_contents): Likewise.
4868         (icf::find_identical_sections): Likewise.
4869         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4870         object when reading from the file.
4871         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4872         the object when doing deferred section layout.
4873
4874 2010-11-03  Nick Clifton  <nickc@redhat.com>
4875
4876         PR gold/12001
4877         * script.h (class Symbol_assignment: name): New member.  Returns
4878         the name of the symbol.
4879         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4880         Returns true if the given symbol name is on the list of
4881         assignments wating to be processed.
4882         * archive.cc (should_incldue_member): If the symbol is undefined,
4883         check to see if it is on the list of symbols pending assignment.
4884
4885 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4886
4887         * script-sections.cc (Script_sections::find_memory_region): Check
4888         for a NULL output section pointer.
4889
4890 2010-10-29  Doug Kwan  <dougkwan@google.com>
4891
4892         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4893         Output_section::add_relaxed_input_section.
4894         * output.cc (Output_section::add_relaxed_input_section): Add new
4895         arguments LAYOUT and NAME.  Set section order index.
4896         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4897         Copy section order index.
4898         * output.h (Output_section::add_relaxed_input_section): Add new
4899         arguments LAYOUT and NAME.
4900
4901 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4902
4903         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4904         NATIVE_OR_CROSS_LINKER.
4905         * testsuite/Makefile.in: Regenerate.
4906
4907 2010-10-20  Doug Kwan  <dougkwan@google.com>
4908
4909         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4910         without SHF_LINK_ORDER flags.
4911         * layout.cc (Layout::choose_output_section): Do not filter
4912         SHF_LINK_ORDER flag in a relocatable link.
4913
4914 2010-10-17  Cary Coutant  <ccoutant@google.com>
4915
4916         * output.h (Output_segment::set_section_addresses): Change function
4917         signature.  Update all callers.
4918         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4919         sections.
4920         (Output_segment::set_section_addresses): Align after last TLS
4921         section.  Add padding before last relro section instead of after.
4922
4923 2010-10-17  Doug Kwan  <dougkwan@google.com>
4924
4925         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4926         GOT output section to be writable.
4927
4928 2010-10-14  Cary Coutant  <ccoutant@google.com>
4929
4930         * debug.h (DEBUG_INCREMENTAL): New flag.
4931         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4932         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4933         mode.
4934         * incremental.cc (report_command_line): Ignore all forms of
4935         --incremental.
4936         * layout.cc (Layout::Layout): Check parameters for incremental link
4937         mode.
4938         * options.cc (General_options::parse_incremental): New function.
4939         (General_options::parse_no_incremental): New function.
4940         (General_options::parse_incremental_full): New function.
4941         (General_options::parse_incremental_update): New function.
4942         (General_options::incremental_mode_): New data member.
4943         (General_options::finalize): Check incremental_mode_.
4944         * options.h (General_options): Update help text for --incremental.
4945         Add --no-incremental, --incremental-full, --incremental-update.
4946         (General_options::Incremental_mode): New enum type.
4947         (General_options::incremental_mode): New function.
4948         (General_options::incremental_mode_): New data member.
4949         * parameters.cc (Parameters::incremental_mode_): New data member.
4950         (Parameters::set_options): Set incremental_mode_.
4951         (Parameters::set_incremental_full): New function.
4952         (Parameters::incremental): New function.
4953         (Parameters::incremental_update): New function.
4954         (set_parameters_incremental_full): New function.
4955         * parameters.h (Parameters::set_incremental_full): New function.
4956         (Parameters::incremental): New function.
4957         (Parameters::incremental_update): New function.
4958         (Parameters::incremental_mode_): New data member.
4959         (set_parameters_incremental_full): New function.
4960         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4961         incremental link mode.
4962         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4963         (Sized_relobj::do_relocate_sections): Likewise.
4964         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4965         option.
4966         * testsuite/Makefile.in: Regenerate.
4967         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4968
4969 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4970
4971         * script-sections.h (class Script_sections): Make
4972         Sections_elements typedef public.
4973         * script-sections.cc (class Sort_output_sections): Add elements_
4974         field.  Add constructor which sets it; change all callers.
4975         (Sort_output_sections::is_before): New function.
4976         (Sort_output_sections::operator()): Call is_before.
4977         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4978         conditional.
4979         * testsuite/script_test_10.sh: New test. Test script section
4980         order.
4981         * testsuite/script_test_10.t: Likewise.
4982         * testsuite/script_test_10.s: Likewise.
4983         * testsuite/Makefile.am: Wrap the cross linker tests and the
4984         common tests into NATIVE_OR_CROSS_LINKER.
4985         (check_SCRIPTS): Add script_test_10.sh.
4986         (check_DATA): Add script_test_10.stdout.
4987         (script_test_10.o, script_test_10): New targets.
4988         (script_test_10.stdout): New target.
4989         * configure, testsuite/Makefile.in: Regenerate.
4990
4991 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4992
4993         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4994         error for the deprecated relocations.
4995         (Target_arm::Scan::global): Likewise.
4996         (Target_arm::Relocate::relocate): Likewise.
4997
4998 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4999
5000         * fileread.cc (Input_file::find_file): Initialize *found_name
5001         and *namep when using the fallback search for case 4.
5002
5003 2010-10-11  Cary Coutant  <ccoutant@google.com>
5004
5005         * options.h (class General_options): Redefine -z lazy as an alias for
5006         the negation of -z now.
5007
5008 2010-10-11  Ian Lance Taylor  <iant@google.com>
5009
5010         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5011         binding.
5012
5013 2010-10-06  Nick Clifton  <nickc@redhat.com>
5014
5015         * script-sections.cc(class Memory_region): Remove
5016         current_lma_offset_ field.  Rename current_vma_offset_ to
5017         current_offset_.  Add last_section_ field.
5018         (Memory_region::get_current_vma_address): Rename to
5019         get_current_address.
5020         (Memory_region::get_current_lma_address): Delete.
5021         (Memory_region::increment_vma_offset): Rename to
5022         increment_offset.
5023         (Memory_region::increment_lma_offset): Delete.
5024         (Memory_region::attributes_compatible): New method.  Returns
5025         true if the provided section is compatible with the region.
5026         (Memory_region::get_last_section): New method.  Returns the last
5027         section to use the region.
5028         (Memory_region::set_last_section): New method.  Stores the last
5029         section to use the region.
5030         (Script_sections::block_in_region): New method.  Returns true if
5031         a block of memory is contained within a region.
5032         (Script_sections::find_memory_region): New method.  Locates a
5033         memory region to be used to set a VMA or LMA address.
5034         (Output_section_definition::set_section_addresses): Add code to
5035         check for addresses set by memory regions.
5036         (Output_segment::set_section_addresses): Remove memory region
5037         walking code.
5038         (Script_sections::create_segment): Add a warning if a header
5039         segment is created outside of any region.
5040         * script-sections.h (class Script_sections): Add prototypes for
5041         find_memory_region and block_in_region methods.
5042         * testsuite/memory_test.s: Use .long instead of .word.
5043         * testsuite/memory_test.t: Add some more output sections.
5044         * testsuite/memory_test.sh: Update expected output.
5045
5046 2010-10-02  Doug Kwan  <dougkwan@google.com>
5047
5048         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5049         defintion to symtab.h
5050         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5051         declaration to defintion.
5052
5053 2010-10-01  Nick Clifton  <nickc@redhat.com>
5054
5055         * expression.cc (eval): Replace dummy argument with NULL.
5056         (eval_maybe_dot): Check for a NULL result section pointer.
5057         (Symbol_expression::value): Likewise.
5058         (Dot_expression::value): Likewise.
5059         (BINARY_EXPRESSION): Likewise.
5060         (Max_expression::value): Likewise.
5061         (Min_expression::value): Likewise.
5062         (Absolute_expression::value): Likewise.
5063         (Addr_expression::value_from_output_section): Likewise.
5064         (Loaddddr_expression::value_from_output_section): Likewise.
5065         (Segment_start_expression::value): Likewise.
5066         * script-sections.cc
5067         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5068         argument with NULL.
5069         (Sections_elememt_dot_assignment::set_section_addresses):
5070         Likewise.
5071         (Output_data_expression::do_write_to_buffer): Likewise.
5072         (Output_section_definition::finalize_symbols): Likewise.
5073         (Output_section_definition::set_section_addresses): Likewise.
5074
5075 2010-09-30  Doug Kwan  <dougkwan@google.com>
5076
5077         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5078
5079 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5080
5081         * target.h (Target::can_icf_inline_merge_sections): New virtual
5082         function.
5083         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5084         virtual function.
5085         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5086         virtual function.
5087         * icf.cc (get_section_contents): Inline merge sections only when
5088         target allows it.
5089
5090 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5091
5092         * configure: Regenerate.
5093
5094 2010-09-17  Ian Lance Taylor  <iant@google.com>
5095
5096         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5097         * testsuite/Makefile.am (memory_test.o): New target.
5098         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5099         memory_test.t.
5100         * testsuite/Makefile.in: Rebuild.
5101
5102 2010-09-17  Doug Kwan  <dougkwan@google.com>
5103
5104         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5105         defintion if relocation uses GOT entries of the symbol.
5106         * testsuite/icf_safe_test.sh: Fix test.
5107         * testsuite/icf_safe_so_test.sh: Fix test.
5108
5109 2010-09-16  Cary Coutant  <ccoutant@google.com>
5110
5111         * script_sections.cc (class Memory_region): Remove "NULL" from
5112         vector initializations.
5113
5114 2010-09-15  Cary Coutant  <ccoutant@google.com>
5115
5116         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5117         Resolve forwarding symbols.
5118
5119 2010-09-15  Doug Kwan  <dougkwan@google.com>
5120
5121         * gold/testsuite/script_test_3.t: Add ARM special sections.
5122         * gold/testsuite/script_test_4.t: Same.
5123         * gold/testsuite/script_test_5.t: Same.
5124         * gold/testsuite/script_test_6.t: Same.
5125         * gold/testsuite/script_test_7.t: Same.
5126         * gold/testsuite/script_test_7.t: Same.
5127         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5128
5129 2010-09-14  Cary Coutant  <ccoutant@google.com>
5130
5131         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5132         (Target_x86_64::Relocate::relocate_tls): Replace check for
5133         saw_tls_block_reloc_ with test for executable section.
5134
5135 2010-09-12  Cary Coutant  <ccoutant@google.com>
5136
5137         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5138         position-independent executables to shared libraries need dynamic
5139         relocations.
5140         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5141         position-independent executables.
5142         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5143         * testsuite/Makefile.in: Regenerate.
5144
5145 2010-09-10  Nick Clifton  <nickc@redhat.com>
5146
5147         PR gold/11997
5148         * testsuite/memory_test.t: Discard any sections that are not
5149         needed.
5150
5151 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5152
5153         PR gold/11996
5154         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5155         "This::" to work around a bug in gcc 4.2.
5156
5157         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5158
5159 2010-09-09  Rafael Espindola  <espindola@google.com>
5160
5161         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5162         sections with different PF_X flags in the same segment.
5163         (Layout::find_first_load_seg): Search all segments to find the first
5164         one.
5165         * options.h (rosegment): New.
5166
5167 2010-09-08  Rafael Espindola  <espindola@google.com>
5168
5169         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5170
5171 2010-09-08  Doug Kwan  <dougkwan@google.com>
5172
5173         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5174         (Arm_relobj::do_relocate_sections): Add new parameter for output
5175         file to match the parent.
5176         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5177         of local symbols instead of input values.  Update code to track
5178         changes in gold::relocate_section.
5179         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5180         (Sized_relobj::compute_final_local_value_internal): New methods.
5181         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5182         body into private version of Sized_relobj::compute_final_local_value.
5183         Call the inline method.
5184         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5185         merged symbol value if there is one.
5186         (Symbol_value::has_output_value): New method defintiion.
5187         (Sized_relobj::Compute_final_local_value_status): New enum type.
5188         (Sized_relobj::compute_final_local_value): New methods.
5189         (Sized_relobj::compute_final_local_value_internal): New methods.
5190         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5191         and arm_cortex_a8.sh.
5192         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5193         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5194         New tests.
5195         * Makefile.in: Regenerate.
5196         * testsuite/arm_bl_out_of_range.s: Update test.
5197         * testsuite/thumb_bl_out_of_range.s: Ditto.
5198         * testsuite/thumb_blx_out_of_range.s: Ditto.
5199         * testsuite/arm_branch_out_of_range.sh: New file.
5200         * testsuite/arm_cortex_a8.sh: Ditto.
5201         * testsuite/arm_cortex_a8_b.s: Ditto.
5202         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5203         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5204         * testsuite/arm_cortex_a8_bl.s: Ditto.
5205         * testsuite/arm_cortex_a8_blx.s: Ditto.
5206         * testsuite/arm_cortex_a8_local.s: Ditto.
5207         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5208         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5209
5210 2010-09-08  Rafael Espindola  <espindola@google.com>
5211
5212         * Makefile.am (memory_test.stdout): Run readelf with -W.
5213         * Makefile.in: Regenerate.
5214         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5215         64 bit output.
5216
5217 2010-09-08  Rafael Espindola  <espindola@google.com>
5218
5219         * script-sections.cc (Script_sections::add_memory_region): Convert
5220         field precision to int.
5221         * script.cc (script_set_section_region, script_set_section_region):
5222         Convert field precision to int.
5223
5224 2010-09-08  Rafael Espindola  <espindola@google.com>
5225
5226         * arm.cc (do_finalize_sections): Create the __exidx_start and
5227         __exdix_end symbols even when the section is missing.
5228
5229 2010-09-08  Nick Clifton  <nickc@redhat.com>
5230
5231         * README: Remove claim that MEMORY is not supported.
5232         * expression.cc (script_exp_function_origin)
5233         (script_exp_function_length): Move from here to ...
5234         * script.cc: ... here.
5235         (script_set_section_region, script_add_memory)
5236         (script_parse_memory_attr, script_include_directive): New
5237         functions.
5238         * script-sections.cc
5239         (class Memory_region): New class.
5240         (class Output_section_definition): Add set_memory_region,
5241         set_section_vma, set_section_lma and get_section_name methods.
5242         (class Script_Sections): Add add_memory_region,
5243         find_memory_region, find_memory_region_origin,
5244         find_memory_region_length and set_memory_region methods.
5245         Have set_section_addresses method walk the list of set memory
5246         regions.
5247         Extend the print methos to display memory regions.
5248         * script-sections.h: Add prototypes for new methods.
5249         Add enum for MEMORY region attributes.
5250         * yyscript.y: Add support for parsing MEMORY regions.
5251         * script-c.h: Add prototypes for new functions.
5252         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5253         * testsuite/Makefile.in: Regenerate.
5254         * testsuite/memory_test.sh: New script.
5255         * testsuite/memory_test.s: New assembler source file.
5256         * testsuite/memory_test.t: New linker script.
5257
5258 2010-08-27  Doug Kwan  <dougkwan@google.com>
5259
5260         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5261         reference override an existing dynamic weak reference.
5262         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5263         * testsuite/Makefile.in: Regenerate.
5264         * testsuite/dyn_weak_ref.sh: New file.
5265         * testsuite/dyn_weak_ref_1.c: Ditto.
5266         * testsuite/dyn_weak_ref_2.c: Ditto.
5267
5268 2010-08-27  Ian Lance Taylor  <iant@google.com>
5269
5270         * incremental.h (class Incremental_input_entry): Add virtual
5271         destructor.
5272
5273 2010-08-27  Ian Lance Taylor  <iant@google.com>
5274
5275         * testsuite/start_lib_test_3.c: Mark t3 as used.
5276
5277 2010-08-27  Nick Clifton  <nickc@redhat.com>
5278
5279         * options.cc (version_script): Fix small typo in previous
5280         whitespace tidyup.
5281
5282 2010-08-25  Nick Clifton  <nickc@redhat.com>
5283
5284         * archive.cc: Formatting fixes: Remove whitespace between
5285         typename and following asterisk.  Remove whitespace between
5286         function name and opening parenthesis.
5287         * archive.h: Likewise.
5288         * arm.cc: Likewise.
5289         * attributes.cc: Likewise.
5290         * attributes.h: Likewise.
5291         * common.cc: Likewise.
5292         * copy-relocs.cc: Likewise.
5293         * dirsearch.h: Likewise.
5294         * dynobj.cc: Likewise.
5295         * ehframe.cc: Likewise.
5296         * ehframe.h: Likewise.
5297         * expression.cc: Likewise.
5298         * fileread.cc: Likewise.
5299         * fileread.h: Likewise.
5300         * gc.h: Likewise.
5301         * gold-threads.cc: Likewise.
5302         * gold.cc: Likewise.
5303         * i386.cc: Likewise.
5304         * icf.h: Likewise.
5305         * incremental-dump.cc: Likewise.
5306         * incremental.cc: Likewise.
5307         * layout.cc: Likewise.
5308         * layout.h: Likewise.
5309         * main.cc: Likewise.
5310         * merge.cc: Likewise.
5311         * merge.h: Likewise.
5312         * object.cc: Likewise.
5313         * object.h: Likewise.
5314         * options.cc: Likewise.
5315         * options.h: Likewise.
5316         * output.cc: Likewise.
5317         * output.h: Likewise.
5318         * plugin.cc: Likewise.
5319         * plugin.h: Likewise.
5320         * powerpc.cc: Likewise.
5321         * reloc.cc: Likewise.
5322         * script-c.h: Likewise.
5323         * script-sections.cc: Likewise.
5324         * script.cc: Likewise.
5325         * stringpool.cc: Likewise.
5326         * symtab.cc: Likewise.
5327         * symtab.h: Likewise.
5328         * target.cc: Likewise.
5329         * timer.cc: Likewise.
5330         * timer.h: Likewise.
5331         * version.cc: Likewise.
5332         * x86_64.cc: Likewise.
5333
5334 2010-08-24  Nick Clifton  <nickc@redhat.com>
5335
5336         PR 11899
5337         * layout.cc (segment_precedes): Sort segments by their physical
5338         addresses, if they have been set.
5339
5340 2010-08-23  Cary Coutant  <ccoutant@google.com>
5341
5342         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5343         symbols data.
5344         (Lib_group::include_member): Unlock object after deleting its
5345         symbols data.
5346         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5347         the bug fixed here.
5348
5349 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5350             Cary Coutant  <ccoutant@google.com>
5351
5352         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5353         constructor, and set_blocker.
5354         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5355         readsyms_blocker_.
5356         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5357         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5358         * testsuite/Makefile.am (start_lib_test): New test case.
5359         * testsuite/Makefile.in: Regenerate.
5360         * testsuite/start_lib_test_main.c: New file.
5361         * testsuite/start_lib_test_1.c: New file.
5362         * testsuite/start_lib_test_2.c: New file.
5363         * testsuite/start_lib_test_3.c: New file.
5364
5365 2010-08-19  Ian Lance Taylor  <iant@google.com>
5366
5367         * Makefile.in: Rebuild with automake 1.11.1.
5368         * aclocal.m4: Likewise.
5369         * testsuite/Makefile.in: Likewise.
5370
5371 2010-08-19  Ian Lance Taylor  <iant@google.com>
5372
5373         PR 10893
5374         * i386.cc (class Output_data_plt_i386): Update declarations.
5375         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5376         local_ifuncs_ fields.
5377         (Target_i386::do_plt_section_for_global): New function.
5378         (Target_i386::do_plt_section_for_local): New function.
5379         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5380         parameter; change all callers.  Initialize global_ifuncs_ and
5381         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5382         __rel_iplt_end.
5383         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5384         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5385         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5386         symbols.
5387         (Target_i386::make_plt_section): New function, broken out of
5388         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5389         (Target_i386::make_plt_entry): Call make_plt_section.
5390         (Target_i386::make_local_ifunc_plt_entry): New function.
5391         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5392         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5393         R_386_IRELATIVE to switch.
5394         (Target_i386::Scan::global): Likewise.
5395         (Target_i386::Relocate::relocate): Likewise.
5396         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5397         switch.
5398         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5399         (Target_x86_64::do_plt_section_for_global): New function.
5400         (Target_x86_64::do_plt_section_for_local): New function.
5401         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5402         parameter; change all callers.  If doing a static link define
5403         __rela_iplt_start and __rela_iplt_end.
5404         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5405         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5406         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5407         to point to .plt.
5408         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5409         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5410         switch.
5411         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5412         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5413         R_X86_64_IRELATIVE to switch.
5414         (Target_x86_64::Scan::global): Likewise.
5415         (Target_x86_64::Relocate::relocate): Likewise.
5416         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5417         switch.
5418         * target.h (class Target): Add plt_section_for_global and
5419         plt_section_for_local functions.  Add do_plt_section_for_global
5420         and do_plt_section_for_local virtual functions.
5421         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5422         clarifying comments.
5423         (Symbol::use_plt_offset): Handle IFUNC symbol.
5424         * object.cc (Sized_relobj::Sized_relobj): Initialize
5425         local_plt_offsets_.
5426         (Sized_relobj::local_has_plt_offset): New function.
5427         (Sized_relobj::local_plt_offset): New function.
5428         (Sized_relobj::set_local_plt_offset): New function.
5429         (Sized_relobj::do_count): Handle IFUNC symbol.
5430         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5431         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5432         is_ifunc_symbol functions.
5433         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5434         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5435         local_plt_offsets_ field.
5436         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5437         * output.h (class Output_section_data): Add non-const
5438         output_section function.
5439         (class Output_data_got): Update declarations.
5440         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5441         Add use_plt_offset parameter to global and local constructors.
5442         Change all callers.  Change local_sym_index_ field to 31 bits.
5443         Change GSYM_CODE and CONSTANT_CODE accordingly.
5444         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5445         doing a static link don't set sh_link field.
5446         (Output_data_got::Got_entry::write): Use PLT offset if
5447         appropriate.
5448         (Output_data_got::add_global_plt): New function.
5449         (Output_data_got::add_local_plt): New function.
5450         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5451         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5452         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5453         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5454         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5455         IFUNC conditional.
5456         * testsuite/ifunc-sel.h: New file.
5457         * testsuite/ifuncmain1.c: New file.
5458         * testsuite/ifuncmain1vis.c: New file.
5459         * testsuite/ifuncmod1.c: New file.
5460         * testsuite/ifuncdep2.c: New file.
5461         * testsuite/ifuncmain2.c: New file.
5462         * testsuite/ifuncmain3.c: New file.
5463         * testsuite/ifuncmod3.c: New file.
5464         * testsuite/ifuncmain4.c: New file.
5465         * testsuite/ifuncmain5.c: New file.
5466         * testsuite/ifuncmod5.c: New file.
5467         * testsuite/ifuncmain6pie.c: New file.
5468         * testsuite/ifuncmod6.c: New file.
5469         * testsuite/ifuncmain7.c: New file.
5470         * configure, testsuite/Makefile.in: Rebuild.
5471
5472 2010-08-18  Ian Lance Taylor  <iant@google.com>
5473
5474         * incremental.cc
5475         (Output_section_incremental_inputs::write_input_files): Add cast
5476         to avoid signed/unsigned comparison warning.
5477         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5478
5479 2010-08-12  Cary Coutant  <ccoutant@google.com>
5480
5481         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5482
5483 2010-08-13  Ian Lance Taylor  <iant@google.com>
5484
5485         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5486
5487 2010-08-12  Cary Coutant  <ccoutant@google.com>
5488             Doug Kwan  <dougkwan@google.com>
5489
5490         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5491         defintion overrides non-weak undef, remember that the original undef
5492         is not weak.
5493         * symtab.cc (Symbol_table::sized_write_global): For undef without
5494         an original weak binding, set binding to global in output.
5495         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5496         * testsuite/Makefile.in: Regenerate.
5497         * testsuite/strong_ref_weak_def.sh: New file.
5498         * testsuite/strong_ref_weak_def_1.c: Ditto.
5499         * testsuite/strong_ref_weak_def_2.c: Ditto.
5500
5501 2010-08-12  Cary Coutant  <ccoutant@google.com>
5502
5503         * testsuite/incremental_test.sh: Rewrite.
5504         * testsuite/incremental_test_1.c: Rewrite.
5505         * testsuite/incremental_test_2.c: Rewrite.
5506
5507 2010-08-12  Cary Coutant  <ccoutant@google.com>
5508
5509         * arm.cc (Target_arm::got_size): Add const.
5510         (Target_arm::got_entry_count): New function.
5511         (Target_arm::plt_entry_count): New function.
5512         (Target_arm::first_plt_entry_offset): New function.
5513         (Target_arm::plt_entry_size): New function.
5514         (Output_data_plt_arm::entry_count): New function.
5515         (Output_data_plt_arm::first_plt_entry_offset): New function.
5516         (Output_data_plt_arm::get_plt_entry_size): New function.
5517         * i386.cc (Target_i386::got_size): Add const.
5518         (Target_i386::got_entry_count): New function.
5519         (Target_i386::plt_entry_count): New function.
5520         (Target_i386::first_plt_entry_offset): New function.
5521         (Target_i386::plt_entry_size): New function.
5522         (Output_data_plt_i386::entry_count): New function.
5523         (Output_data_plt_i386::first_plt_entry_offset): New function.
5524         (Output_data_plt_i386::get_plt_entry_size): New function.
5525         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5526         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5527         * incremental.cc: Include target.h.
5528         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5529         parameter.  Adjust all callers.  Find incremental_got_plt section.
5530         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5531         section.
5532         (Output_section_incremental_inputs::set_final_data_size): Calculate
5533         size of incremental_got_plt section.
5534         (Output_section_incremental_inputs::do_write): Write the
5535         incremental_got_plt section.
5536         (Got_plt_view_info): New struct.
5537         (Local_got_offset_visitor): New class.
5538         (Global_got_offset_visitor): New class.
5539         (Global_symbol_visitor_got_plt): New class.
5540         (Output_section_incremental_inputs::write_got_plt): New function.
5541         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5542         Add parameter.  Adjust all callers.
5543         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5544         (Incremental_inputs::got_plt_section): New function.
5545         (Incremental_inputs::got_plt_section_): New data member.
5546         (Incremental_got_plt_reader): New class.
5547         * layout.cc (Layout::create_incremental_info_sections): Add the
5548         incremental_got_plt section.
5549         * object.h (Got_offset_list::get_list): New function.
5550         (Got offset_list::for_all_got_offsets): New function.
5551         (Sized_relobj::local_got_offset_list): New function.
5552         * powerpc.cc (Target_powerpc::got_size): Add const.
5553         (Target_powerpc::got_entry_count): New function.
5554         (Target_powerpc::plt_entry_count): New function.
5555         (Target_powerpc::first_plt_entry_offset): New function.
5556         (Target_powerpc::plt_entry_size): New function.
5557         (Output_data_plt_powerpc::entry_count): New function.
5558         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5559         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5560         * sparc.cc (Target_sparc::got_size): Add const.
5561         (Target_sparc::got_entry_count): New function.
5562         (Target_sparc::plt_entry_count): New function.
5563         (Target_sparc::first_plt_entry_offset): New function.
5564         (Target_sparc::plt_entry_size): New function.
5565         (Output_data_plt_sparc::entry_count): New function.
5566         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5567         (Output_data_plt_sparc::get_plt_entry_size): New function.
5568         * symtab.h (Symbol::got_offset_list): New function.
5569         (Symbol_table::for_all_symbols): New function.
5570         * target.h (Sized_target::got_entry_count): New function.
5571         (Sized_target::plt_entry_count): New function.
5572         (Sized_target::plt_entry_size): New function.
5573         * x86_64.cc (Target_x86_64::got_size): Add const.
5574         (Target_x86_64::got_entry_count): New function.
5575         (Target_x86_64::plt_entry_count): New function.
5576         (Target_x86_64::first_plt_entry_offset): New function.
5577         (Target_x86_64::plt_entry_size): New function.
5578         (Output_data_plt_x86_64::entry_count): New function.
5579         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5580         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5581
5582 2010-08-12  Cary Coutant  <ccoutant@google.com>
5583
5584         * archive.cc: Include incremental.h.
5585         (Archive::Archive): Initialize incremental_info_.
5586         (Archive::include_member): Record archive members in incremental info.
5587         (Add_archive_symbols::run): Record begin and end of an archive in
5588         incremental info.
5589         (Lib_group::include_member): Record objects in incremental info.
5590         * archive.h (Incremental_archive_entry): Forward declaration.
5591         (Archive::set_incremental_info): New member function.
5592         (Archive::incremental_info): New member function.
5593         (Archive::Unused_symbol_iterator): New class.
5594         (Archive::unused_symbols_begin): New member function.
5595         (Archive::unused_symbols_end): New member function.
5596         (Archive::incremental_info_): New data member.
5597         * incremental-dump.cc (find_input_containing_global): New function.
5598         (dump_incremental_inputs): Dump new incremental info sections.
5599         * incremental.cc: Include symtab.h.
5600         (Output_section_incremental_inputs): New class.
5601         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5602         new incremental info sections.
5603         (Sized_incremental_binary::do_check_inputs): Likewise.
5604         (Incremental_inputs::report_archive): Remove.
5605         (Incremental_inputs::report_archive_begin): New function.
5606         (Incremental_inputs::report_archive_end): New function.
5607         (Incremental_inputs::report_object): New function.
5608         (Incremental_inputs::finalize_inputs): Remove.
5609         (Incremental_inputs::report_input_section): New function.
5610         (Incremental_inputs::report_script): Rewrite.
5611         (Incremental_inputs::finalize): Do nothing but finalize string table.
5612         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5613         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5614         (Incremental_inputs::create_data_sections): New function.
5615         (Incremental_inputs::relocs_entsize): New function.
5616         (Output_section_incremental_inputs::set_final_data_size): New function.
5617         (Output_section_incremental_inputs::do_write): New function.
5618         (Output_section_incremental_inputs::write_header): New function.
5619         (Output_section_incremental_inputs::write_input_files): New function.
5620         (Output_section_incremental_inputs::write_info_blocks): New function.
5621         (Output_section_incremental_inputs::write_symtab): New function.
5622         * incremental.h (Incremental_script_entry): Forward declaration.
5623         (Incremental_object_entry): Forward declaration.
5624         (Incremental_archive_entry): Forward declaration.
5625         (Incremental_inputs): Forward declaration.
5626         (Incremental_inputs_header_data): Remove.
5627         (Incremental_inputs_header): Remove.
5628         (Incremental_inputs_header_write): Remove.
5629         (Incremental_inputs_entry_data): Remove.
5630         (Incremental_inputs_entry): Remove.
5631         (Incremental_inputs_entry_write): Remove.
5632         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5633         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5634         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5635         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5636         Likewise.
5637         (Incremental_input_entry): New class.
5638         (Incremental_script_entry): New class.
5639         (Incremental_object_entry): New class.
5640         (Incremental_archive_entry): New class.
5641         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5642         (Incremental_inputs::report_inputs): Remove.
5643         (Incremental_inputs::report_archive): Remove.
5644         (Incremental_inputs::report_archive_begin): New function.
5645         (Incremental_inputs::report_archive_end): New function.
5646         (Incremental_inputs::report_object): Change prototype.
5647         (Incremental_inputs::report_input_section): New function.
5648         (Incremental_inputs::report_script): Change prototype.
5649         (Incremental_inputs::get_reloc_count): New function.
5650         (Incremental_inputs::set_reloc_count): New function.
5651         (Incremental_inputs::create_data_sections): New function.
5652         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5653         (Incremental_inputs::inputs_section): New function.
5654         (Incremental_inputs::symtab_section): New function.
5655         (Incremental_inputs::relocs_section): New function.
5656         (Incremental_inputs::get_stringpool): Add const.
5657         (Incremental_inputs::command_line): Add const.
5658         (Incremental_inputs::inputs): Remove.
5659         (Incremental_inputs::command_line_key): New function.
5660         (Incremental_inputs::input_file_count): New function.
5661         (Incremental_inputs::input_files): New function.
5662         (Incremental_inputs::relocs_entsize): New function.
5663         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5664         (Incremental_inputs::finalize_inputs): Remove.
5665         (Incremental_inputs::Input_info): Remove.
5666         (Incremental_inputs::lock_): Remove.
5667         (Incremental_inputs::inputs_): Change type.
5668         (Incremental_inputs::inputs_map_): Remove.
5669         (Incremental_inputs::current_object_entry_): New data member.
5670         (Incremental_inputs::inputs_section_): New data member.
5671         (Incremental_inputs::symtab_section_): New data member.
5672         (Incremental_inputs::relocs_section_): New data member.
5673         (Incremental_inputs::reloc_count_): New data member.
5674         (Incremental_inputs_reader): New class.
5675         (Incremental_symtab_reader): New class.
5676         (Incremental_relocs_reader): New class.
5677         * layout.cc (Layout::finalize): Move finalization of incremental info
5678         and creation of incremental info sections to follow finalization of
5679         symbol table.  Set offsets for postprocessing sections.
5680         (Layout::create_incremental_info_sections): Call
5681         Incremental_inputs::create_data_sections.  Add incremental symtab
5682         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5683         sections to layout after input sections.
5684         * layout.h (struct Timespec): Forward declaration.
5685         (Layout::incremental_inputs): Add const.
5686         (Layout::create_incremental_info_sections): Add parameter.
5687         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5688         * object.cc: Include incremental.h.
5689         (Relobj::finalize_incremental_relocs): New function.
5690         (Sized_relobj::do_layout): Record input sections in incremental info.
5691         * object.h (Object::output_section): New function.
5692         (Object::output_section_offset): Moved from Relobj.
5693         (Object::get_incremental_reloc_base): New function.
5694         (Object::get_incremental_reloc_count): New function.
5695         (Object::do_output_section): New function.
5696         (Object::do_output_section_offset): Moved from Relobj.
5697         (Object::do_get_incremental_reloc_base): New function.
5698         (Object::do_get_incremental_reloc_count): New function.
5699         (Object::Object): Initialize new data members.
5700         (Relobj::output_section): Renamed do_output_section and moved to
5701         protected.
5702         (Relobj::output_section_offset): Moved to Object.
5703         (Relobj::do_get_incremental_reloc_base): New function.
5704         (Relobj::do_get_incremental_reloc_count): New function.
5705         (Relobj::allocate_incremental_reloc_counts): New function.
5706         (Relobj::count_incremental_reloc): New function.
5707         (Relobj::finalize_incremental_relocs): New function.
5708         (Relobj::next_incremental_reloc_index): New function.
5709         (Relobj::reloc_counts_): New data member.
5710         (Relobj::reloc_bases_): New data member.
5711         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5712         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5713         (Sized_relobj::incremental_relocs_scan): New function.
5714         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5715         (Sized_relobj::incremental_relocs_write): New function.
5716         (Sized_relobj::incremental_relocs_write_reltype): New function.
5717         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5718         incremental link.
5719         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5720         archives and object files elsewhere.
5721         (Add_symbols::run): Report object files here.
5722         (Finish_group::run): Report end of archive at end of group.
5723         * reloc.cc: Include layout.h, incremental.h.
5724         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5725         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5726         (Sized_relobj::incremental_relocs_scan): New function.
5727         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5728         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5729         (Sized_relobj::incremental_relocs_write): New function.
5730         (Sized_relobj::incremental_relocs_write_reltype): New function.
5731         * script.cc (read_input_script): Rewrite test for incremental link.
5732         Change call to Incremental_inputs::report_script.
5733         * symtab.h (Symbol_table::first_global_index): New function.
5734         (Symbol_table::output_count): New function.
5735
5736 2010-08-12  Doug Kwan  <dougkwan@google.com>
5737
5738         * arm.cc (Target_arm::merge_object_attributes): Check command line
5739         options --no-wchar-size-warning and --no-enum-size-warning.
5740         * options.h (General_options): Add ld-compatible options
5741         --no-enum-size-warning and --no-wchar-size-warning.
5742
5743 2010-08-04  Ian Lance Taylor  <iant@google.com>
5744
5745         * x86_64.cc (Target_x86_64::Scan::local): Use
5746         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5747         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5748         (Target_x86_64::Scan::global): Likewise.
5749         (Target_x86_64::Relocate::relocate): Likewise.
5750         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5751         Likewise.
5752
5753 2010-08-03  Cary Coutant  <ccoutant@google.com>
5754
5755         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5756         to reserve space in merged_strings vector. Keep total input size
5757         for stats.
5758         (Output_merge_string::do_print_merge_stats): Print total input size.
5759         * merge.h (Output_merge_string): Add input_size_ field.
5760         * stringpool.cc (Stringpool_template::string_length): Move
5761         implementations out of Stringpool_template class and place in
5762         stringpool.h.
5763         * stringpool.h (string_length): Move out of Stringpool_template.
5764
5765 2010-08-03  Ian Lance Taylor  <iant@google.com>
5766
5767         PR 11712
5768         * layout.cc (relaxation_loop_body): If address of load segment is
5769         set, adjust address to include headers if possible.
5770
5771 2010-08-03  Ian Lance Taylor  <iant@google.com>
5772
5773         * version.cc (version_string): Bump to 1.10.
5774
5775 2010-08-03  Ian Lance Taylor  <iant@google.com>
5776
5777         PR 11805
5778         * layout.h (enum Output_section_order): Define.
5779         (class Layout): Update declarations.
5780         * layout.cc (Layout::get_output_section): Add order parameter.
5781         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5782         is_first_non_relro parameters.  Change all callers.
5783         (Layout::choose_output_section): Likewise.
5784         (Layout::add_output_section_data): Likewise.
5785         (Layout::make_output_section): Likewise.  Set order.
5786         (Layout::default_section_order): New function.
5787         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5788         * output.cc (Output_section::Output_section): Initialize order_.
5789         Don't initialize deleted fields.
5790         (Output_segment::Output_segment): Don't initialize deleted
5791         fields.
5792         (Output_segment::add_output_section_to_load): New function
5793         replacing add_output_section.  Change all callers to call this or
5794         add_output_section_to_nonload.
5795         (Output_segment::add_output_section_to_nonload): New function.
5796         (Output_segment::remove_output_section): Rewrite.
5797         (Output_segment::add_initial_output_data): Likewise.
5798         (Output_segment::has_any_data_sections): Likewise.
5799         (Output_segment::is_first_section_relro): Likewise.
5800         (Output_segment::maximum_alignment): Likewise.
5801         (Output_segment::has_dynamic_reloc): New function replacing
5802         dynamic_reloc_count.  Change all callers.
5803         (Output_segment::has_dynamic_reloc_list): New function replacing
5804         dynamic_reloc_count_list.  Change all callers.
5805         (Output_segment::set_section_addresses): Rewrite.
5806         (Output_segment::set_offset): Rewrite.
5807         (Output_segment::find_first_and_last_list): Remove.
5808         (Output_segment::set_tls_offsets): Rewrite.
5809         (Output_segment::first_section_load_address): Likewise.
5810         (Output_segment::output_section_count): Likewise.
5811         (Output_segment::section_with_lowest_load_address): Likewise.
5812         (Output_segment::write_section_headers): Likewise.
5813         (Output_segment::print_sections_to_map): Likewise.
5814         * output.h (class Output_data): Remove dynamic_reloc_count_
5815         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5816         (Output_data::add_dynamic_reloc): Rewrite.
5817         (Output_data::has_dynamic_reloc): New function.
5818         (Output_data::dynamic_reloc_count): Remove.
5819         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5820         is_last_relro_, is_first_non_relro_, is_interp_,
5821         is_dynamic_linker_section_ fields.  Add order and set_order
5822         functions.  Remove is_relro_local, set_is_relro_local,
5823         is_last_relro, set_is_last_relro, is_first_non_relro,
5824         set_is_first_non_relro functions, is_interp, set_is_interp,
5825         is_dynamic_linker_section, and set_is_dynamic_linker_section
5826         functions.
5827         (class Output_segment): Change Output_data_list from std::list to
5828         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5829         output_bss_ fields.  Update declarations.
5830
5831 2010-08-02  Ian Lance Taylor  <iant@google.com>
5832
5833         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5834         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5835         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5836
5837 2010-08-02  Ian Lance Taylor  <iant@google.com>
5838
5839         PR 11855
5840         * script.cc (Script_options::Script_options): Initialize
5841         symbol_definitions_ and symbol_references_.
5842         (Script_options::add_symbol_assignment): Update
5843         symbol_definitions_ and symbol_references_.
5844         (Script_options::add_symbol_reference): New function.
5845         (script_symbol): New function.
5846         * script.h (class Script_options): Add symbol_definitions_ and
5847         symbol_references_ fields.
5848         (Script_options::referenced_const_iterator): New type.
5849         (Script_options::referenced_begin): New function.
5850         (Script_options::referenced_end): New function.
5851         (Script_options::is_referenced): New function.
5852         (Script_options::any_unreferenced): New function.
5853         * script-c.h (script_symbol): Declare.
5854         * yyscript.y (exp): Call script_symbol.
5855         * symtab.cc: Include "script.h".
5856         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5857         Change all callers.  Check symbols referenced by scripts.
5858         (Symbol_table::add_undefined_symbols_from_command_line): Add
5859         layout parameter.  Change all callers.
5860         (Symbol_table::do_add_undefined_symbols_from_command_line):
5861         Likewise.  Break out loop body.  Check symbols referenced by
5862         scripts.
5863         (Symbol_table::add_undefined_symbol_from_command_line): New
5864         function broken out of
5865         do_add_undefined_symbols_from_command_line.
5866         * symtab.h (class Symbol_table): Update declarations.
5867         * archive.cc: Include "layout.h".
5868         (Archive::should_include_member): Add layout parameter.  Change
5869         all callers.  Check for symbol mentioned in expression.
5870         * archive.h (class Archive): Update declaration.
5871         * object.cc (Sized_relobj::do_should_include_member): Add layout
5872         parameter.
5873         * object.h (Object::should_include_member): Add layout parameter.
5874         Change all callers.
5875         (Object::do_should_include_member): Add layout parameter.
5876         (class Sized_relobj): Update declaration.
5877         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5878         parameter.
5879         * dynobj.h (class Sized_dynobj): Update declaration.
5880         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5881         layout parameter.
5882         * plugin.h (class Sized_pluginobj): Update declaration.
5883
5884 2010-08-02  Ian Lance Taylor  <iant@google.com>
5885
5886         PR 11866
5887         * output.cc (Output_segment::set_offset): Search for the first and
5888         last sections rather than assuming that the list is in order.
5889         (Output_segment::find_first_and_last_list): New function.
5890         * output.h (class Output_segment): Update declarations.
5891         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5892         (relro_strip_test_SOURCES): New variable.
5893         (relro_strip_test_DEPENDENCIES): New variable.
5894         (relro_strip_test_LDFLAGS): New variable.
5895         (relro_strip_test_LDADD): New variable.
5896         (relro_strip_test.so): New target.
5897
5898 2010-08-02  Ian Lance Taylor  <iant@google.com>
5899
5900         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5901         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5902         (Target_i386::got_tlsdesc_section): New function.
5903         (Target_i386::got_section): Create space for GOT entries for
5904         TLSDESC relocations.
5905         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5906         R_386_TLS_GOTDESC.
5907         (Target_i386::Scan::global): Likewise.
5908         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5909         using TLSDESC GOT.
5910         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5911         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5912         (Target_x86_64::got_tlsdesc_section): New function.
5913         (Target_x86_64::got_section): Create space for GOT entries for
5914         TLSDESC relocations.
5915         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5916         R_386_TLS_GOTDESC.
5917         (Target_x86_64::Scan::global): Likewise.
5918         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5919         using TLSDESC GOT.
5920
5921 2010-08-02  Ian Lance Taylor  <iant@google.com>
5922
5923         * testsuite/final_layout.sh: Use dc to convert from hex to
5924         decimal.
5925
5926 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5927
5928         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5929         paramter to the call to gold::gc_process_relocs.
5930         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5931         paramter to the call to gold::gc_process_relocs.
5932         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5933         parameter to the call to gold::gc_process_relocs.
5934         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5935         template parameter to the call to gold::gc_process_relocs.
5936         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5937         paramter to the call to gold::gc_process_relocs.
5938         * gc.h (get_embedded_addend_size): New function.
5939         (gc_process_relocs): Save the size of the reloc for use by ICF.
5940         * icf.cc (get_section_contents): Get the addend from the text section
5941         for SHT_REL relocation sections.
5942         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5943         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5944         * int_encoding.h (read_from_pointer): New overloaded function.
5945         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5946         * testsuite/icf_sht_rel_addend_test.sh: New file.
5947         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5948         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5949
5950 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5951
5952         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5953         * Makefile.in: Regenerate.
5954         * testsuite/Makefile.in: Regenerate.
5955
5956 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5957
5958         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5959         * gold/testsuite/debug_msg.cc: Likewise.
5960         * gold/testsuite/odr_violation1.cc
5961         * gold/testsuite/odr_violation2.cc
5962
5963 2010-07-21  Cary Coutant  <ccoutant@google.com>
5964
5965         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5966         string, and length fields.
5967         (Output_merge_string::Merged_strings_list): New type.
5968         (Output_merge_string::Merged_strings_lists): New typedef.
5969         (Output_merge_string): Replace merged_strings_ with
5970         merged_strings_lists_.
5971         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5972         Merged_strings_list per input object and section.  Don't store pointer
5973         to the string.  Don't store length with each merged string entry.
5974         (Output_merge_string::finalize_merged_data): Loop over list of merged
5975         strings lists.  Recompute length of each merged string.
5976
5977 2010-07-15  Cary Coutant  <ccoutant@google.com>
5978
5979         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5980         here.
5981
5982 2010-07-14  Ian Lance Taylor  <iant@google.com>
5983
5984         * descriptors.cc (Descriptors::open): Report correct name in error
5985         message.
5986
5987 2010-07-13  Doug Kwan  <dougkwan@google.com>
5988
5989         * arm.cc (Arm_input_section::Arm_input_section): For a
5990         SHT_ARM_EXIDX section, always keeps the input sections.
5991         (Arm_input_section::set_exidx_section_link): New method.
5992         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5993         has_errors_ to false.
5994         (Arm_exidx_input_section::has_errors,
5995         Arm_exidx_input_section::set_has_errors): New methods.
5996         (Arm_exidx_input_section::has_errors_): New data member.
5997         (Arm_relobj::get_exidx_shndx_list): New method.
5998         (Arm_output_section::append_text_sections_to_list): Do not skip
5999         section without SHF_EXECINSTR.
6000         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6001         errors.
6002         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6003         section header.  Make error messages more verbose.  Check for
6004         a non-executable section linked to an EXIDX section.
6005         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6006         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6007         check that there is no deferred EXIDX section if we exit early.
6008         Instead of not making an EXIDX section in case of an error, make one
6009         and set the has_errors flag of it.
6010         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6011         in a relocatable link.
6012         (Target_arm::do_relax): Look for the EXIDX output section instead of
6013         assuming that it is called .ARM.exidx.
6014         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6015         section list.  Do not check for SHF_EXECINSTR section flags but
6016         skip any input section with errors.
6017         * output.cc (Output_section::Output_section): Initialize
6018         always_keeps_input_sections_ to false.
6019         (Output_section::add_input_section): Check for
6020         always_keeps_input_sections_.
6021         *  output.h (Output_section::always_keeps_input_sections,
6022         Output_section::set_always_keeps_input_sections): New methods.
6023         (Output_section::always_keeps_input_sections): New data member.
6024
6025 2010-07-13  Rafael Espindola  <espindola@google.com>
6026
6027         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6028         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6029
6030 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6031             Ian Lance Taylor  <iant@google.com>
6032
6033         * output.h (Output_section_lookup_maps::add_merge_section):
6034         Correct check of whether value was inserted.
6035         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6036         (Output_section_lookup_maps::add_relaxed_input_section):
6037         Likewise.
6038         * arm.cc (Target_arm::got_section): Remove used local os.
6039         * i386.cc (Target_i386::got_section): Likewise.
6040         * x86_64.cc (Target_x86_64::got_section): Likewise.
6041         * sparc.cc (Target_sparc::got_section): Likewise.
6042         (Target_sparc::relocate): Remove unused local have_got_offset.
6043         * powerpc.cc (Target_powerpc::relocate): Likewise.
6044
6045 2010-07-13  Ian Lance Taylor  <iant@google.com>
6046
6047         * compressed_output.cc (zlib_decompress): Fix signature in
6048         !HAVE_ZLIB_H case.
6049
6050         * archive.cc (Archive::include_member): Unlock an external member
6051         of a thin archive.  Don't bother to delete an object we know is
6052         NULL.
6053
6054 2010-07-12  Cary Coutant  <ccoutant@google.com>
6055
6056         * compressed_output.cc (zlib_decompress): New function.
6057         (get_uncompressed_size): New function.
6058         (decompress_input_section): New function.
6059         * compressed_output.h (get_uncompressed_size): New function.
6060         (decompress_input_section): New function.
6061         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6062         Handle compressed debug sections.
6063         * layout.cc (is_compressed_debug_section): New function.
6064         (Layout::output_section_name): Map compressed section names to
6065         canonical names.
6066         * layout.h (is_compressed_debug_section): New function.
6067         (is_debug_info_section): Recognize compressed debug sections.
6068         * merge.cc: Include compressed_output.h.
6069         (Output_merge_data::do_add_input_section): Handle compressed
6070         debug sections.
6071         (Output_merge_string::do_add_input_section): Handle compressed
6072         debug sections.
6073         * object.cc: Include compressed_output.h.
6074         (Sized_relobj::Sized_relobj): Initialize new data members.
6075         (build_compressed_section_map): New function.
6076         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6077         * object.h (Object::section_is_compressed): New method.
6078         (Object::do_section_is_compressed): New method.
6079         (Sized_relobj::Compressed_section_map): New type.
6080         (Sized_relobj::do_section_is_compressed): New method.
6081         (Sized_relobj::compressed_sections_): New data member.
6082         * output.cc (Output_section::add_input_section): Handle compressed
6083         debug sections.
6084         * reloc.cc: Include compressed_output.h.
6085         (Sized_relobj::write_sections): Handle compressed debug sections.
6086
6087 2010-07-08  Cary Coutant  <ccoutant@google.com>
6088
6089         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6090         weak when resolving to a dynamic def.
6091         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6092         for weak undef/dynamic def cases. Adjust callers.
6093         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6094         undef_binding_weak_.
6095         (Symbol_table::sized_write_globals): Adjust symbol binding.
6096         (Symbol_table::sized_write_symbol): Add binding parameter.
6097         * symtab.h (Symbol::set_undef_binding): New method.
6098         (Symbol::is_undef_binding_weak): New method.
6099         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6100         (Symbol_table::should_override): Add new parameter.
6101         (Symbol_table::sized_write_symbol): Add new parameter.
6102
6103         * testsuite/weak_undef_file1.cc: Add new test case.
6104         * testsuite/weak_undef_file2.cc: Fix header comment.
6105         * testsuite/weak_undef_test.cc: Add new test case.
6106
6107 2010-06-29  Doug Kwan  <dougkwan@google.com>
6108
6109         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6110         Initialize USE_SYMBOL_.
6111         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6112         definition.
6113         (Arm_reloc_property::uses_symbol_): New data member declaration.
6114         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6115         uses symbol value and symbol is undefined but not weakly undefined.
6116
6117 2010-06-28  Rafael Espindola  <espindola@google.com>
6118
6119         * plugin.cc (Plugin::load): Use dlerror.
6120
6121 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6122
6123         * symtab.cc (detect_odr_violations): When reporting an ODR
6124         violation, report an object where the symbol is defined.
6125
6126 2010-06-25  Doug Kwan  <dougkwan@google.com>
6127
6128         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6129         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6130         definition.
6131         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6132         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6133         target hook to detect function points.
6134         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6135         * icf.h (Icf::check_section_for_function_pointers): Change type of
6136         parameter SECTION_NAME to const reference to std::string.  Use
6137         target hook to determine if section may have unsafe pointers.
6138         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6139         method definition.
6140
6141 2010-06-21  Rafael Espindola  <espindola@google.com>
6142
6143         * fileread.cc (Input_file::find_fie): New
6144         (Input_file::open): Use Input_file::find_fie.
6145         * fileread.h (Input_file::find_fie): New
6146         * plugin.cc (set_extra_library_path): New.
6147         (Plugin::load): Add set_extra_library_path to the transfer vector.
6148         (Plugin_manager::set_extra_library_path): New.
6149         (Plugin_manager::add_input_file): Use the extra search path if set.
6150         (set_extra_library_path(): New.
6151         * plugin.h (Plugin_manager): Add set_extra_library_path and
6152         extra_search_path_.
6153
6154 2010-06-19  Cary Coutant  <ccoutant@google.com>
6155
6156         * layout.cc (gdb_sections): Add .debug_types.
6157         (lines_only_debug_sections): Likewise.
6158
6159 2010-06-18  Rafael Espindola  <espindola@google.com>
6160
6161         * plugin.cc (add_input_file,add_input_library)
6162         (Plugin_manager::add_input_file): Make filename arguments const.
6163         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6164         const.
6165
6166 2010-06-16  Doug Kwan  <dougkwan@google.com>
6167
6168         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6169         .ARM.attributes section if we have not merged any input
6170         attributes sections.
6171
6172 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6173
6174         * arm.cc: Allow combining objects with no EABI version
6175         information.
6176
6177 2010-06-15  Rafael Espindola  <espindola@google.com>
6178
6179         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6180
6181 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6182
6183         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6184         (struct iovec): Correct !HAVE_READV definition.
6185
6186 2010-06-10  Cary Coutant  <ccoutant@google.com>
6187
6188         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6189         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6190         reloc sections.
6191         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6192
6193         PR 11683
6194         * symtab.h (Symbol::is_placeholder): New member function.
6195         * target-reloc.h (relocate_section): Check for placeholder symbols.
6196
6197         * testsuite/Makefile.am (plugin_test_8): New test.
6198         (plugin_test_9): New test.
6199         * testsuite/Makefile.in: Regenerate.
6200
6201 2010-06-09  Nick Clifton  <nickc@redhat.com>
6202
6203         * yyscript.y (input_list_element): Allow strings prefixed with
6204         the '-' character.  Treat these as libraries.
6205         * script.cc (script_add_library): New function.  Adds a library
6206         specified by "-l<name>" found in an input script.
6207         * script-c.h: Add prototype for script_add_library.
6208
6209 2010-06-07  Doug Kwan  <dougkwan@google.com>
6210
6211         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6212         Restrict stub-group size to be within long conditional branch
6213         range when working around cortex-A8 erratum.
6214
6215 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6216
6217         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6218         #ifdef typo.
6219
6220 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6221
6222         PR gold/11658
6223         * output.cc
6224         (Output_section::Input_section_sort_entry::compare_section_ordering):
6225         Change to return non-zero correctly.
6226         (Output_section::Input_section_sort_section_order_index_compare
6227         ::operator()): Change to fix ambiguity in comparisons.
6228
6229 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6230
6231         * gold.h (is_wildcard_string): New function.
6232         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6233         (Layout::layout_eh_frame): Ditto.
6234         (Layout::find_section_order_index): New method.
6235         (Layout::read_layout_from_file): New method.
6236         * layout.h (Layout::find_section_order_index): New method.
6237         (Layout::read_layout_from_file): New method.
6238         (Layout::input_section_position_): New private member.
6239         (Layout::input_section_glob_): New private member.
6240         * main.cc (main): Call read_layout_from_file here.
6241         * options.h (--section-ordering-file): New option.
6242         * output.cc (Output_section::input_section_order_specified_): New
6243         member.
6244         (Output_section::Output_section): Initialize new member.
6245         (Output_section::add_input_section): Add new parameter.
6246         Keep input sections when --section-ordering-file is used.
6247         (Output_section::set_final_data_size): Sort input sections when
6248         section ordering file is specified.
6249         (Output_section::Input_section_sort_entry): Add new parameter.
6250         Check sorting type.
6251         (Output_section::Input_section_sort_entry::compare_section_ordering):
6252         New method.
6253         (Output_section::Input_section_sort_compare::operator()): Change to
6254         consider section_order_index.
6255         (Output_section::Input_section_sort_init_fini_compare::operator()):
6256         Change to consider section_order_index.
6257         (Output_section::Input_section_sort_section_order_index_compare
6258         ::operator()): New method.
6259         (Output_section::sort_attached_input_sections): Change to sort
6260         according to section order when specified.
6261         (Output_section::add_input_section<32, true>): Add new parameter.
6262         (Output_section::add_input_section<64, true>): Add new parameter.
6263         (Output_section::add_input_section<32, false>): Add new parameter.
6264         (Output_section::add_input_section<64, false>): Add new parameter.
6265         * output.h (Output_section::add_input_section): Add new parameter.
6266         (Output_section::input_section_order_specified): New
6267         method.
6268         (Output_section::set_input_section_order_specified): New method.
6269         (Input_section::Input_section): Initialize section_order_index_.
6270         (Input_section::section_order_index): New method.
6271         (Input_section::set_section_order_index): New method.
6272         (Input_section::section_order_index_): New member.
6273         (Input_section::Input_section_sort_section_order_index_compare): New
6274         struct.
6275         (Output_section::input_section_order_specified_): New member.
6276         * script-sections.cc (is_wildcard_string): Delete and move modified
6277         method to gold.h.
6278         (Output_section_element_input::Output_section_element_input): Modify
6279         call to is_wildcard_string.
6280         (Output_section_element_input::Input_section_pattern
6281         ::Input_section_pattern): Ditto.
6282         (Output_section_element_input::Output_section_element_input): Ditto.
6283         * testsuite/Makefile.am (final_layout): New test case.
6284         * testsuite/Makefile.in: Regenerate.
6285         * testsuite/final_layout.cc: New file.
6286         * testsuite/final_layout.sh: New file.
6287
6288 2010-06-01  Rafael Espindola  <espindola@google.com>
6289
6290         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6291
6292 2010-06-01  Rafael Espindola  <espindola@google.com>
6293
6294         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6295         visibility of symbols.
6296
6297 2010-05-27  Doug Kwan  <dougkwan@google.com>
6298
6299         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6300         from start of output section instead of address for a local symbol
6301         in a merged or relaxed section when doing a relocatable link.
6302
6303 2010-05-26  Rafael Espindola  <espindola@google.com>
6304
6305         PR 11604
6306         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6307         adding sections the garbage collector removed.
6308         * gold/testsuite/Makefile.am: Add test.
6309         * gold/testsuite/Makefile.in: Regenerate.
6310         * gold/testsuite/plugin_test_7.sh: New.
6311         * gold/testsuite/plugin_test_7_1.c: New.
6312         * gold/testsuite/plugin_test_7_2.c: New.
6313
6314 2010-05-26  Rafael Espindola  <espindola@google.com>
6315
6316         * script-sections.cc (Output_section_definition::set_section_addresses):
6317         Check for --section-start.
6318
6319 2010-05-26  Doug Kwan  <dougkwan@google.com>
6320
6321         * arm.cc (Arm_scan_relocatable_relocs): New class.
6322         (Target_arm::relocate_special_relocatable): New method.
6323         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6324         (Arm_relocate_functions::thumb_branch_common): Same.
6325         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6326         instead of Default_scan_relocatable_relocs.
6327         * target-reloc.h (relocate_for_relocatable): Let target handle
6328         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6329         * target.h (Sized_target::relocate_special_relocatable): New method.
6330
6331 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6332
6333         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6334
6335 2010-05-23  Doug Kwan  <dougkwan@google.com>
6336
6337         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6338         instead of a cast.
6339         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6340         with a direct branch, not a conditional branch, to a stub.
6341         * merge.cc (Output_merge_base::record_input_section): New method
6342         defintion.
6343         (Output_merge_data::do_add_input_section): Record input section if
6344         keeps-input-sections flag is set.
6345         (Output_merge_string::do_add_input_section): Ditto.
6346         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6347         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6348         INPUT_SECTIONS_.
6349         (Output_merge_base::keeps_input_sections,
6350         Output_merge_base::set_keeps_input_sections,
6351         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6352         method definitions.
6353         (Output_merge_base::Input_sections): New type declaration.
6354         (Output_merge_base::input_sections_begin,
6355         Output_merge_base::input_sections_end,
6356         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6357         (Output_merge_base::bool keeps_input_sections_,
6358         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6359         Output_merge_base::input_sections_): New data members.
6360         (Output_merge_data::do_set_keeps_input_sections): New method
6361         defintion.
6362         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6363         * output.cc (Output_section::Input_section::relobj): Move method
6364         defintion from class declaration to here and handle merge sections.
6365         (Output_section::Input_section::shndx): Ditto.
6366         (Output_section::Output_section): Remove initializations of removed
6367         data members and initialize new data member LOOKUP_MAPS_.
6368         (Output_section::add_input_section): Set keeps-input-sections flag
6369         for a newly created merge output section as appropriate.  Adjust code
6370         to use Output_section_lookup_maps class.
6371         (Output_section::add_relaxed_input_section): Adjst code for lookup
6372         maps code refactoring.
6373         (Output_section::add_merge_input_section): Add a new parameter
6374         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6375         class.  If adding input section to a newly created merge output
6376         section fails, remove the new merge section.
6377         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6378         Adjust code for use of the Output_section_lookup_maps class.
6379         (Output_section::find_merge_section): Ditto.
6380         (Output_section::build_lookup_maps): New method defintion.
6381         (Output_section::find_relaxed_input_section): Adjust code to use
6382         Output_section_lookup_maps class.
6383         (Output_section::get_input_sections): Export merge sections.  Adjust
6384         code to use Output_section_lookup_maps class.
6385         (Output_section:::add_script_input_section): Adjust code to use
6386         Output_section_lookup_maps class.  Update lookup maps for merge
6387         sections also.
6388         (Output_section::discard_states): Use Output_section_lookup_maps.
6389         (Output_section::restore_states): Same.
6390         * output.h (Merge_section_properties): Move class defintion out of
6391         Output_section.
6392         (Output_section_lookup_maps): New class.
6393         (Output_section::Input_section::is_merge_section): New method
6394         defintion.
6395         (Output_section::Input_section::relobj): Move defintion out of class
6396         defintion.  Declare method only.
6397         (Output_section::Input_section::shndx): Ditto.
6398         (Output_section::Input_section::output_merge_base): New method defintion.
6399         (Output_section::Input_section::u2_.pomb): New union field.
6400         (Output_section::Merge_section_by_properties_map,
6401         Output_section::Output_section_data_by_input_section_map,
6402         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6403         Remove types.
6404         (Output_section::add_merge_input_section): Add new parameter
6405         KEEPS_INPUT_SECTIONS.
6406         (Output_section::build_lookup_maps): New method declaration.
6407         (Output_section::merge_section_map_,
6408         Output_section::merge_section_by_properties_map_,
6409         Output_section::relaxed_input_section_map_,
6410         Output_section::is_relaxed_input_section_map_valid_): Remove data
6411         members.
6412         (Output_section::lookup_maps_): New data member.
6413
6414 2010-05-21  Doug Kwan  <dougkwan@google.com>
6415
6416         PR gold/11619
6417         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6418         avoid a compilation error.
6419
6420 2010-05-19  Rafael Espindola  <espindola@google.com>
6421
6422         * script-sections.cc (Output_section_definition::allocate_to_segment):
6423         Update the phdrs_list even when the output section is NULL.
6424         * testsuite/Makefile.am: Add test.
6425         * testsuite/Makefile.in: Regenerate.
6426         * testsuite/script_test_9.cc: New.
6427         * testsuite/script_test_9.sh: New.
6428         * testsuite/script_test_9.t: New.
6429
6430 2010-05-19  Doug Kwan  <dougkwan@google.com>
6431
6432         * arm.cc (Arm_input_section::original_size): New method.
6433         (Arm_input_section::do_addralign): Add a cast.
6434         (Arm_input_section::do_output_offset): Remove static cast.
6435         (Arm_input_section::original_addralign,
6436          Arm_input_section::original_size_): Change type to uint32_t.
6437         (Arm_input_section::init): Add safe casts for section alignment
6438         and size.
6439         (Arm_input_section::set_final_data_size): Do not set address and
6440         offset of stub table.
6441         (Arm_output_section::fix_exidx_coverage): Change use of of
6442         Output_section::Simple_input_section to that of
6443         Output_section::Input_section.
6444         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6445         except for the first pass.
6446         * output.cc (Output_section::get_input_sections): Change type of
6447         input_sections to std::list<Input_section>.
6448         (Output_section::add_script_input_section): Rename from
6449         Output_section::add_simple_input_section.  Change type of SIS
6450         parameter from Simple_input_section to Input_section.
6451         * output.h (Output_section::Simple_input_section): Remove class.
6452         (Output_section::Input_section): Change class visibility to public.
6453         (Output_section::Input_section::addralign): Use stored alignments
6454         for special input sections if set.
6455         (Output_section::Input_section::set_addralign): New method.
6456         (Output_section::get_input_sections): Change parameter type from
6457         list of Simple_input_section to list of Input_section.
6458         (Output_section::add_script_input_section): Rename from
6459         Output_section::add_simple_input_section. Change first parameter's
6460         type from Simple_input_section to Input_section and remove the
6461         second and third parameters.
6462         * script-sections.cc (Input_section::Input_section_list): Change
6463         type to list of Output_section::Input_section/
6464         (Input_section_info::Input_section_info): Change parameter type of
6465         INPUT_SECTION to Output_section::Input_section.
6466         (Input_section_info::input_section): Change return type.
6467         (Input_section_info::input_section_): Change type to
6468         Output_section::Input_section.
6469         (Output_section_element_input::set_section_addresses): Adjust code
6470         to use Output_section::Input_section instead of
6471         Output_section::Simple_input_section.  Adjust code for renaming
6472         of Output_section::add_simple_input_section.
6473         (Orphan_output_section::set_section_addresses): Ditto.
6474
6475 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6476
6477         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6478         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6479
6480 2010-05-18  Rafael Espindola  <espindola@google.com>
6481
6482         * options.cc (General_options::finalize): Handle -nostdlib.
6483         * options.h (nostdlib): New option.
6484         * script.cc (script_add_search_dir): Handle -nostdlib.
6485
6486 2010-05-12  Doug Kwan  <dougkwan@google.com>
6487
6488         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6489         attributes section only if there no attributes section after merging.
6490         (Target_arm::merge_object_attributes): Move value of
6491         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6492         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6493         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6494         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6495         and arm_attr_merge_7.stdout.
6496         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6497         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6498         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6499         arm_attr_merge_7b.o): New rules.
6500         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6501         arm_attr_merge_7
6502         * testsuite/Makefile.in: Regenerate.
6503         * testsuite/arm_attr_merge.sh: New file.
6504         * testsuite/arm_attr_merge_[67][ab].s: Same.
6505
6506 2010-05-05  Nick Clifton  <nickc@redhat.com>
6507
6508         * po/es.po: Updated Spanish translation.
6509
6510 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6511
6512         * Makefile.am (install-exec-local): Properly install gold as
6513         default cross linker.
6514         * Makefile.in: Regenerated.
6515
6516 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6517             Nick Clifton  <nickc@redhat.com>
6518
6519         * configure.ac (install_as_default): Define and set to false
6520         unless --enable-gold or --enable-gold=both/gold has been
6521         specified.
6522         * configure: Regenerate.
6523
6524         * Makefile.am (install-exec-local): Install the executable as
6525         'ld.gold'.  If install_as_default is true then also install it as
6526         'ld'.
6527         * Makefile.in: Regenerated.
6528
6529 2010-04-24  Ian Lance Taylor  <iant@google.com>
6530
6531         * layout.cc (Layout::layout_reloc): In relocatable link don't
6532         combine reloc sections for grouped sections.
6533
6534 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6535
6536         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6537         sections that are not ordinary to icf.
6538         * icf.cc (get_section_contents): Handle relocation pointing to section
6539         with no object or shndx information.
6540         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6541         * testsuite/Makefile.in: Regenerate.
6542         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6543         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6544
6545 2010-04-22  Ian Lance Taylor  <iant@google.com>
6546
6547         * expression.cc (Expression::Expression_eval_info): Add
6548         result_alignment_pointer field.
6549         (Expression::eval_with_dot): Add result_alignment_pointer
6550         parameter.  Change all callers.
6551         (Expression::eval_maybe_dot): Likewise.
6552         (class Binary_expression): Add alignment_pointer parameter to
6553         left_value and right_value.  Change all callers.
6554         (BINARY_EXPRESSION): Set result alignment.
6555         (class Trinary_expression): Add alignment_pointer parameter to
6556         arg2_value and arg3_value.  Change all callers.
6557         (Trinary_cond::value): Set result alignment.
6558         (Max_expression::value, Min_expression::value): Likewise.
6559         (Align_expression::value): Likewise.
6560         * script-sections.cc (class Sections_element): Add dot_alignment
6561         parameter to set_section_addresses virtual function.  Update
6562         instantiations.
6563         (class Output_section_element): Likewise.
6564         (Script_sections::create_segments): Add dot_alignment parameter.
6565         Change all callers.
6566         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6567         (Script_sections::set_phdrs_clause_addresses): Likewise.
6568         * script-sections.h: Update declarations.
6569         * script.h: Update declarations.
6570         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6571         min_p_align.
6572         * testsuite/script_test_3.t: Set large alignment.
6573         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6574         segment has expected alignment.
6575
6576 2010-04-22  Nick Clifton  <nickc@redhat.com>
6577
6578         * po/gold.pot: Updated by the Translation project.
6579         * po/vi.po: Updated Vietnamese translation.
6580
6581 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6582
6583         * testsuite/Makefile.am (check_PROGRAMS): Add
6584         icf_virtual_function_folding_test.
6585         * testsuite/Makefile.in: Regenerated.
6586
6587 2010-04-15  Andrew Haley  <aph@redhat.com>
6588
6589         * options.h (merge_exidx_entries): New option.
6590         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6591         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6592         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6593         (Target_arm::merge_exidx_entries): New function.
6594         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6595         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6596         to Arm_exidx_fixup constructor.
6597         Add new arg, merge_exidx_entries.
6598         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6599         Arm_output_section::fix_exidx_coverage.
6600
6601 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6602
6603         * icf.cc (get_section_contents): Check for preemptible functions.
6604         Ignore addend when appropriate.
6605         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6606         section folded.
6607         (add_from_relobj): Check for section folded.
6608         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6609         * symtab.h (should_add_dynsym_entry): Add new parameter.
6610         * target-reloc.h (scan_relocs): Check for section folded.
6611         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6612         Check reloc types for function pointers in shared objects.
6613         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6614         case.
6615         (icf_preemptible_functions_test): New test case.
6616         (icf_string_merge_test): New test case.
6617         * testsuite.Makefile.in: Regenerate.
6618         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6619         bar_glob.  Refactor code.
6620         * testsuite/icf_preemptible_functions_test.cc: New file.
6621         * testsuite/icf_preemptible_functions_test.sh: New file.
6622         * testsuite/icf_string_merge_test.cc: New file.
6623         * testsuite/icf_string_merge_test.sh: New file.
6624         * testsuite/icf_virtual_function_folding_test.cc: New file.
6625         * testsuite/icf_virtual_function_folding_test.sh: New file.
6626
6627 2010-04-14  Doug Kwan  <dougkwan@google.com>
6628
6629         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6630         for local symbol recounting if we remove a section due to ICF.
6631         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6632         there are no regular objects in input.
6633
6634 2010-04-13  Doug Kwan  <dougkwan@google.com>
6635
6636         * arm.cc (Arm_input_section::set_final_data_size): Compute
6637         accurate final data size instead of using current data size.
6638
6639 2010-04-09  Doug Kwan  <dougkwan@google.com>
6640
6641         * layout.cc (Layout::choose_output_section): Handle script section
6642         types.
6643         (Layout::make_output_section_for_script): Add section type parameter.
6644         Handle script section types.
6645         * layout.h (Layout::make_output_section_for_script): Add section
6646         type parameter.
6647         * output.cc (Output_section::Output_section): Initialize data member
6648         is_noload_.
6649         (Output_section::do_reset_address_and_file_offset): Do not set address
6650         to 0 if section is a NOLOAD section.
6651         * output.h (Output_section::is_noload): New method.
6652         (Output_section::set_is_noload): Ditto.
6653         (Output_section::is_noload_): New data member.
6654         * script-c.h (Script_section_type): New enum type.
6655         (struct Parser_output_section_header): Add new file section_type.
6656         * script-sections.cc (Sections_element::output_section_name): Add
6657         parameter for returning script section type.
6658         (Output_section_definition::output_section_name): Ditto.
6659         (Output_section_definition::section_type)P; New method.
6660         (Output_section_definiton::script_section_type_name): Ditto.
6661         (Output_section_definition::script_section_type_): New data member.
6662         (Output_section_definition::Output_section_definition): Initialize
6663         data member Output_section_definition::script_section_type_.
6664         (Output_section_definition::create_sections): Pass script section type
6665         to Layout::make_output_section_for_script.
6666         (Output_section_definition::output_section_name): Return script
6667         section type to caller.
6668         (Output_section_definition::set_section_address): Do not advance
6669         dot value and load address if section type is NOLOAD.  Set address
6670         of NOLOAD sections regardless of section flags.
6671         (Output_section_definition::print): Print section type if it is
6672         not SCRIPT_SECTION_TYPE_NONE.
6673         (Output_section_definition::section_type): New method.
6674         (Output_section_definition::script_section_type_name): Ditto.
6675         (Script_sections::output_section_name): Add new parameter
6676         PSECTION_TYPE for returning script section type.  Pass it to
6677         section elements.  Handle discard sections.
6678         (Sort_output_sections::operator()): Handle NOLOAD sections.
6679         * script-sections.h (Script_sections::Section_type): New enum type.
6680         (Script_sections::output_section_name): Add a new parameter for
6681         returning script section type.
6682         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6683         INFO and NOLOAD.
6684         * yyscript.y (union): Add new field SECTION_TYPE.
6685         (COPY, DSECT, INFO, NOLOAD): New tokens.
6686         (opt_address_and_section_type): Change type to output_section_header.
6687         (section_type): New non-terminal
6688         (section_header): Handle section type.
6689         (opt_address_and_section_type): Return section type value.
6690
6691 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6692
6693         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6694         * testsuite/plugin_common_test_2.c (foo): Likewise.
6695
6696 2010-04-08  Doug Kwan  <dougkwan@google.com>
6697
6698         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6699         Output_merge_data.
6700         * output.cc (Output_section::add_merge_input_section): Simplify
6701         code and return status of Output_merge_base::add_input_section.
6702         Update merge section map only if Output_merge_base::add_input_section
6703         returns true.
6704
6705 2010-04-07  Doug Kwan  <dougkwan@google.com>
6706
6707         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6708         if section is marked as containing instructions but has no mapping
6709         symbols.
6710         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6711         correct section index.
6712         (Arm_relobj::find_linked_text_section): Ditto.
6713
6714 2010-04-07  Cary Coutant  <ccoutant@google.com>
6715
6716         * archive.cc (include_member): Destroy Read_symbols_data object before
6717         releasing file.
6718         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6719         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6720         (Read_symbols_data::~Read_symbols_data) New destructor.
6721         (Section_relocs::Section_relocs) New constructor.
6722         (Section_relocs::~Section_relocs) New destructor.
6723         (Read_relocs_data::Read_relocs_data) New constructor.
6724         (Read_relocs_data::~Read_relocs_data) New destructor.
6725         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6726         pointers to NULL after deleting.
6727
6728 2010-04-07  Doug Kwan  <dougkwan@google.com>
6729
6730         * arm.cc: Replace "endianity" with "endianness" in comments.
6731         (Arm_exidx_cantunwind): Ditto.
6732         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6733         (Arm_relobj::merge_flags_and_attributes): New method.
6734         (Arm_relobj::merge_flags_and_attributes_): New data member.
6735         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6736         (Arm_relobj::scan_sections_for_stubs): Ditto.
6737         (Arm_relobj::do_read_symbols): Check to see if we really want to
6738         merge processor-specific flags and attributes.  Exit early if
6739         an object is empty except for section names and the undefined symbol.
6740         (Target_arm::do_finalize_sections): Move check for ELF format to
6741         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6742         attributes from a regular object only when we have determined that
6743         it is aapropriate.  Do not create an .ARM.attributes section in
6744         output if there is no regular input object.
6745         (Target_arm::merge_processor_specific_flags): Check
6746         --warn-mismatch before printing any error.
6747         (Target_arm::merge_object_attributes): Ditto.
6748         * gold.cc (queue_middle_tasks): Handle the case in which there is
6749         no regular object in input.
6750         * options.cc (General_options::parse_EB): New method.
6751         (General_options::parse_EL): Same.
6752         (General_options::General_options): Initialize endianness_.
6753         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6754         New options.
6755         (General_options::Endianness): New enum.
6756         (General_options::endianness): New method.
6757         (General_options::endianness_): New data member.
6758         * parameters.cc (Parameters::set_options): Check target endianness.
6759         (Parameters::set_target_once): Ditto.
6760         (Parameters::check_target_endianness): New method.
6761         (parameters_force_valid_target): If either -EL or -EB is specified,
6762         use it to define endianness of default target.
6763         * parameters.h (Parameters::check_target_endianness): New method
6764         declaration.
6765         * target.h (class Target): Change "endianity" to "endianness"
6766         in comments.
6767
6768 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6769
6770         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6771         * configure: Regenerate.
6772         * Makefile.in: Regenerate.
6773         * testsuite/Makefile.in: Regenerate.
6774
6775 2010-04-06  Cary Coutant  <ccoutant@google.com>
6776
6777         gcc PR lto/42757
6778         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6779         prevailing definitions of common symbols.
6780         * testsuite/plugin_test_6.sh: New test case.
6781         * testsuite/plugin_common_test_1.c: New test case.
6782         * testsuite/plugin_common_test_2.c: New test case.
6783         * testsuite/Makefile.am (plugin_test_6): New test case.
6784         * testsuite/Makefile.in: Regenerate.
6785
6786 2010-04-06  Nick Clifton  <nickc@redhat.com>
6787
6788         * po/vi.po: New Vietnamese translation.
6789
6790 2010-03-30  Doug Kwan  <dougkwan@google.com>
6791
6792         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6793
6794 2010-03-25  Doug Kwan  <dougkwan@google.com>
6795
6796         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6797         to avoid a conversion warning on a 32-bit host.
6798
6799 2010-03-24  Ian Lance Taylor  <iant@google.com>
6800
6801         * testsuite/script_test_3.t: Add a TLS segment.
6802         * testsuite/Makefile.am (check_PROGRAMS): Add
6803         tls_phdrs_script_test.
6804         (tls_phdrs_script_test_SOURCES): Define.
6805         (tls_phdrs_script_test_DEPENDENCIES): Define.
6806         (tls_phdrs_script_test_LDFLAGS): Define.
6807         (tls_phdrs_script_test_LDADD): Define.
6808         * testsuite/Makefile.in: Rebuild.
6809
6810 2010-03-23  Cary Coutant  <ccoutant@google.com>
6811
6812         * fileread.cc (find_or_make_view): Fix comment.
6813
6814 2010-03-23  Ian Lance Taylor  <iant@google.com>
6815
6816         * script-sections.cc (class Orphan_section_placement): Define
6817         PLACE_TLS and PLACE_TLS_BSS.
6818         (Orphan_section_placement::Orphan_section_placement): Initialize
6819         new places.
6820         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6821         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6822         (tls_script_test_SOURCES): Define.
6823         (tls_script_test_DEPENDENCIES): Define.
6824         (tls_script_test_LDFLAGS): Define.
6825         (tls_script_test_LDADD): Define.
6826         * testsuite/Makefile.in: Rebuild.
6827
6828 2010-03-22  Doug Kwan  <dougkwan@google.com>
6829
6830         * arm.cc (Arm_relocate_functions::abs8,
6831         Arm_relocate_functions::abs16): Use correct check for overflow
6832         specified in the ARM ELF specs.
6833         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6834         target of a BLX instruction specially.
6835         (Reloc_stub::stub_type_for_reloc): Ditto.
6836         (Relocate::relocate): Use symbolic names instead of numeric relocation
6837         codes to report error.
6838         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6839         workaround.
6840         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6841         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6842         thumb2_blx_out_of_range.stdout
6843         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6844         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6845         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6846         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6847         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6848         thumb2_blx_in_range, thumb2_blx_in_range.o,
6849         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6850         thumb2_blx_out_of_range.o): New rules.
6851         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6852         thumb2_blx_in_range and thumb2_blx_out_of_range.
6853         * testsuite/Makefile.in: Regenerate.
6854         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6855         * testsuite/thumb_blx_in_range.s: New file.
6856         * testsuite/thumb_blx_out_of_range.s: New file.
6857
6858 2010-03-22  Rafael Espindola  <espindola@google.com>
6859
6860         * archive.cc (Should_include): Move to archive.h.
6861         (should_include_member): Make it a member of Archive.
6862         (Lib_group): New.
6863         (Add_lib_group_symbols): New.
6864         * archive.h: Include options.h.
6865         (Archive_member): Moved from Archive.
6866         (Should_include): Moved from archive.cc.
6867         (Lib_group): New.
6868         (Add_lib_group_symbols): New.
6869         * dynobj.cc (do_should_include_member): New.
6870         * dynobj.h (do_should_include_member): New.
6871         * gold.cc (queue_initial_tasks): Update call to queue.
6872         * main.cc (main): Print lib group stats.
6873         * object.cc (do_should_include_member): New.
6874         * object.h: Include archive.h.
6875         (Object::should_include_member): New.
6876         (Object::do_should_include_member): New.
6877         (Sized_relobj::do_should_include_member): New.
6878         * options.cc (General_options::parse_start_lib): New.
6879         (General_options::parse_end_lib): New.
6880         (Input_arguments::add_file): Handle lib groups.
6881         (Input_arguments::start_group): Check we are not in a lib.
6882         (Input_arguments::start_lib): New.
6883         (Input_arguments::end_lib): New.
6884         * options.h (General_options): Add start_lib and end_lib.
6885         (Input_argument::lib_): New.
6886         (Input_argument::lib): New.
6887         (Input_argument::is_lib): New.
6888         (Input_file_lib): New.
6889         (Input_arguments::in_lib_): New.
6890         (Input_arguments::in_lib): New.
6891         (Input_arguments::start_lib): New.
6892         (Input_arguments::end_lib_): New.
6893         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6894         in unused members as preempted.
6895         (Sized_pluginobj::do_should_include_member): New.
6896         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6897         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6898         return the blocker.
6899         (Read_symbols::do_whole_lib_group): New.
6900         (Read_symbols::do_lib_group): New.
6901         (Read_symbols::do_read_symbols): Handle lib groups.
6902         (Read_symbols::get_name): Handle lib groups.
6903         * readsyms.h (Read_symbols): Add an archive member pointer.
6904         (Read_symbols::do_whole_lib_group): New.
6905         (Read_symbols::do_lib_group): New.
6906         (Read_symbols::member_): New.
6907         * script.cc (read_input_script): Update call to queue_soon.
6908
6909 2010-03-19  Doug Kwan  <dougkwan@google.com>
6910
6911         * arm.cc (Stub_table::Stub_table): Initialize new data members
6912         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6913         (Stub_table::add_reloc_stub): Assign stub offset and update
6914         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6915         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6916         New data members.
6917         (Stub_table::update_data_size_and_addralign): Use
6918         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6919         instead of going over all reloc stubs.
6920         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6921         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6922         Stringpool_template::offset_ to size of Stringpool_char.
6923         (Stringpool_template::new_key_offset): Remove code to initialize
6924         Stringpool_template::offset_.
6925         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6926         Stringpool_template::offset_ to zero.
6927
6928 2010-03-15  Doug Kwan  <dougkwan@google.com>
6929
6930         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6931         offset_.
6932         (Stringpool_template::new_key_offset): New method.
6933         (Stringpool_template::add_string): Assign offsets when adding new
6934         strings.
6935         (Stringpool_template::set_string_offsets): Do not set string offsets
6936         when not optimizing.
6937         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6938         member size_.
6939         (Chunked_vector::clear): Clear size_.
6940         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6941         (Chunked_vector::size): Return size_.
6942         (Chunked_vector::push_back): Use size_ to find insert position.
6943         (Chunked_vector::size_): New data member.
6944         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6945         (Stringpool_template::new_key_offset): New method declaration.
6946         (Stringpool_template::offset_): New data member.
6947
6948 2010-03-15   Rafael Espindola  <espindola@google.com>
6949
6950         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6951         Add_symbols' constructor.
6952         * readsyms.h (Add_symbols): Remove the input_group member.
6953
6954 2010-03-10  Ian Lance Taylor  <iant@google.com>
6955
6956         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6957         target to ask whether a reference to a symbol requires a stack
6958         split.
6959         * target.h (Target::is_call_to_non_split): New function.
6960         (Target::do_is_call_to_non_split): Declare virtual function.
6961         * target.cc: Include "symtab.h".
6962         (Target::do_is_call_to_non_split): New function.
6963         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6964
6965 2010-03-10  Cary Coutant  <ccoutant@google.com>
6966
6967         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6968         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6969         (File_read::open[2]): Add whole_file_view_ to list of views.
6970         (File_read::make_view): Remove test of whole_file_view_.
6971         (File_read::find_or_make_view): Create whole_file_view_ if
6972         necessary.
6973         (File_read::clear_views): Replace bool parameter with enum;
6974         adjust all callers.  Don't delete views with permanent data;
6975         do delete cached views and views from archives if
6976         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6977         if clearing the corresponding view.
6978         * fileread.h (File_read::Clear_views_mode): New enum.
6979         (File_read::View::is_permanent_view): New method.
6980         (File_read::clear_views): Replace bool parameter
6981         with enum; adjust all callers.
6982         * options.h (General_options): Change keep_files_mapped option;
6983         add map_whole_files.
6984         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6985         releasing the file.
6986         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6987         the file.
6988
6989 2010-03-10  David S. Miller  <davem@davemloft.net>
6990
6991         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6992
6993 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6994
6995         * icf.cc (get_section_contents): Add '@' marker after processing the
6996         merge reloc.
6997
6998 2010-03-08  Doug Kwan  <dougkwan@google.com>
6999
7000         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7001         due to a conversion warning.
7002         (Arm_relobj::update_output_local_symbol_count): Check for local
7003         symbol with unset output index.
7004
7005 2010-03-05  Ian Lance Taylor  <iant@google.com>
7006
7007         * options.h (class General_options): Add --spare-dynamic-tags.
7008         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7009         --spare-dynamic-tags.
7010
7011 2010-03-05  Ian Lance Taylor  <iant@google.com>
7012
7013         * incremental.cc: Include "libiberty.h".
7014
7015 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7016
7017         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7018         function, is_info_ member.
7019         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7020         (Versions::Versions): Update caller.
7021         (Versions::define_base_version): Likewise.
7022         (Versions::add_def): Likewise.
7023
7024 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7025
7026         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7027         (Scan::possible_function_pointer_reloc): New function.
7028         (Scan::local_reloc_may_be_function_pointer): Change to call
7029         possible_function_pointer_reloc.
7030         (Scan::global_reloc_may_be_function_pointer): Ditto.
7031         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7032         relocations in ".data.rel.ro._ZTV" section.
7033         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7034         * testsuite/icf_safe_so_test.cc: Ditto.
7035         * testsuite/icf_safe_test.cc: Ditto.
7036         * testsuite/icf_safe_test.sh: Ditto.
7037
7038 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7039             Ian Lance Taylor  <iant@google.com>
7040
7041         * target-reloc.h (relocate_section): Check the symbol table index
7042         for -1U before setting the local symbol index.
7043         (scan_relocatable_relocs): If copying the relocation, record that
7044         the local symbol is required.
7045         * object.h (Symbol_value::is_output_symtab_index_set): New
7046         function.
7047         (Symbol_value::may_be_discarded_from_output_symtab): New
7048         function.
7049         (Symbol_value::has_output_symtab_entry): New function.
7050         (Symbol_value::needs_output_symtab_entry): Remove.
7051         (Symbol_value::output_symtab_index): Make sure the symbol index is
7052         set.
7053         (Symbol_value::set_output_symtab_index): Make sure the symbol
7054         index is not set.  Make sure the new index is valid.
7055         (Symbol_value::set_must_have_output_symtab_entry): New function.
7056         (Symbol_value::has_output_dynsym_entry): New function.
7057         (Symbol_value::set_output_dynsym_index): Make sure the new index
7058         is valid.
7059         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7060         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7061         local symbol if permitted.
7062         (Sized_relobj::do_finalize_local_symbols): Call
7063         is_output_symtab_index_set rather than needs_output_symtab_entry.
7064         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7065         rather than needs_output_symtab_entry.  Call
7066         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7067         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7068         is_output_symtab_index_set rather than needs_output_symtab_entry.
7069         * testsuite/discard_locals_relocatable_test.c: New file.
7070         * testsuite/discard_locals_test.sh: Test -r.
7071         * testsuite/Makefile.am (check_DATA): Add
7072         discard_locals_relocatable_test1.syms,
7073         discard_local_relocatable_test2.syms.
7074         (MOSTLYCLEANFILES): Likewise.  Also add
7075         discard_locals_relocatable_test1.lout and
7076         discard_locals_relocatable_test2.out.
7077         (discard_locals_relocatable_test1.syms): New target.
7078         (discard_locals_relocatable_test.o): New target.
7079         (discard_locals_relocatable_test1.out): New target.
7080         (discard_locals_relocatable_test2.syms): New target.
7081         (discard_locals_relocatable_test2.out): New target.
7082         (various): Add missing ../ld-new dependencies.
7083         * testsuite/Makefile.in: Rebuild.
7084
7085 2010-03-03  Nick Clifton  <nickc@redhat.com>
7086
7087         * po/fi.po: New Finnish translation.
7088
7089 2010-03-01  Doug Kwan  <dougkwan@google.com>
7090
7091         * layout.cc (Layout::Layout): Force section types of .init_array*,
7092         .preinit_array* and .fini_array* sections.
7093         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7094         Fix check of return value of std::string::find.().
7095         (Output_section::Input_section_sort_compare::operator()): Remove
7096         comment about .init_array.
7097         (Output_section::Input_section_sort_init_fini_compare::operator()):
7098         New method.
7099         (Output_section::sort_attached_input_sections): Handle .init_array
7100         and .fini_array specially.
7101         * output.h (Output_section::Inut_section_sort_compare): Update
7102         comment.
7103         (Output_section::Input_section_sort_init_fini_compare): New struct.
7104
7105 2010-02-26  Doug Kwan  <dougkwan@google.com>
7106
7107         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7108         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7109         * testsuite/debug_msg.sh: Avoid matching source line number for
7110         use of global variable undef_int.
7111
7112 2010-02-26  Doug Kwan  <dougkwan@google.com>
7113
7114         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7115         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7116         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7117         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7118         * options.cc (General_options::General_options): Initialize member
7119         fix_v4bx_.
7120         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7121         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7122         and rm_no_fix_v4bx.stdout
7123         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7124         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7125         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7126         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7127         and arm_no_fix_v4bx.
7128         * Makefile.in: Regenerate.
7129         * testsuite/arm_fix_v4bx.s: New file.
7130         * testsuite/arm_fix_v4bx.sh: Ditto.
7131
7132 2010-02-24  Doug Kwan  <dougkwan@google.com>
7133
7134         * arm.cc (Target_arm::got_section): Make the .got section the first
7135         non RELRO section in the data segment.
7136         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7137         suffixes of section names.
7138
7139 2010-02-24  Doug Kwan  <dougkwan@google.com>
7140
7141         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7142         flags and attributes merging if an input file is a binary file.
7143         * fileread.cc (Input_file::open): Record format of original file.
7144         * fileread.h (Input_file::Format): New enum type.
7145         (Input_file::Input_file): Initialize data member format_.
7146         (Input_file::format): New method definition.
7147         (Input_file::format_):: New data member.
7148
7149 2010-02-24  Doug Kwan  <dougkwan@google.com>
7150
7151         * arm.cc (Arm_output_data_got): New class.
7152         (ARM_TCB_SIZE): New constant
7153         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7154         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7155         If user uses a script with a SECTIONS clause, issue only a warning
7156         for a misplaced EXIDX input section.  Otherwise, issue an error.
7157         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7158         garbage collection.
7159         (Target_arm::got_mode_index_entry): Handle static linking.
7160         (Target_arm::Scan::local): Ditto.
7161         (Target_arm::Scan::global): Ditto.
7162         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7163         all incorrectly implemented relocations.
7164         (Target_arm::fix_exidx_coverage): Pass layout to
7165         Arm_output_section::fix_exidx_coverage.
7166         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7167         from ".ARM.exidx." and ".ARM.extab.".
7168
7169 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7170
7171         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7172         section if it does not already exist.
7173         * attributes.cc (Attributes_section_data::Attributes_section_data):
7174         Don't crash if size is zero.
7175
7176 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7177             Ian Lance Taylor  <iant@google.com>
7178
7179         * gold.cc (queue_middle_tasks): If no input files were opened,
7180         exit.
7181         * workqueue.h (Task_function::Task_function): Assert that there is
7182         a blocker.
7183
7184 2010-02-22  Doug Kwan  <dougkwan@google.com>
7185
7186         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7187         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7188         types to avoid warnings due to different uint64_t implementations
7189         on different hosts.
7190
7191 2010-02-21  Doug Kwan  <dougkwan@google.com>
7192
7193         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7194         handling of the maximum backward branch offset.
7195         (Arm_relocate_functions::thumb_branch_common): Ditto.
7196         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7197         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7198         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7199         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7200         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7201         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7202         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7203         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7204         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7205         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7206         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7207         thumb2_bl_out_of_range.o): New rules.
7208         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7209         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7210         thumb2_bl_out_of_range
7211         * testsuite/Makefile.in: Regenerate.
7212         * testsuite/arm_bl_in_range.s: New file.
7213         * testsuite/arm_bl_out_of_range.s: Ditto.
7214         * testsuite/arm_branch_in_range.sh: Ditto.
7215         * testsuite/arm_branch_range.t: Ditto.
7216         * testsuite/thumb2_branch_range.t: Ditto.
7217         * testsuite/thumb_bl_in_range.s: Ditto.
7218         * testsuite/thumb_bl_out_of_range.s: Ditto.
7219         * testsuite/thumb_branch_range.t: Ditto.
7220
7221 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7222
7223         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7224         Add reloc offset information.
7225         * icf.cc (get_section_contents): Change iterators to point to the new
7226         vectors. Add reloc offset information to the contents.
7227         * icf.h (Icf::Sections_reachable_info): New typedef.
7228         (Icf::Sections_reachable_list): New typedef.
7229         (Icf::Offset_info): New typedef.
7230         (Icf::Reloc_info): New struct typedef.
7231         (Icf::Reloc_info_list): New typedef.
7232         (Icf::symbol_reloc_list): Delete method.
7233         (Icf::addend_reloc_list): Delete method.
7234         (Icf::section_reloc_list): Delete method.
7235         (Icf::reloc_info_list): New method.
7236         (Icf::reloc_info_list_): New member.
7237
7238 2010-02-19  Doug Kwan  <dougkwan@google.com>
7239
7240         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7241         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7242         * arm.cc (Arm_relocation_functions): New forward declaration.
7243         (Target_arm::Target_arm): Initialize new data members
7244         got_mod_index_offset_ and tls_base_symbol_defined_.
7245         (Target_arm::Relocate::relocate_tls): New method.
7246         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7247          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7248         New methods.
7249         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7250         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7251         (Target_arm::got_mod_index_offset_,
7252         Target_arm::tls_base_symbol_defined_): New data members.
7253         (Target_arm::Scan::local, Target::Scan::global,
7254         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7255         relocations.
7256
7257 2010-02-18  Doug Kwan  <dougkwan@google.com>
7258
7259         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7260         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7261         text section as a parameter becuase some broken tools may not set
7262         the link in section header.
7263         (Target_arm::has_got_section): New method.
7264         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7265         without any mapping symbol as data only.  Remove warning.
7266         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7267         link in its section header, try to discover the link by inspecting the
7268         REL31 relocation at the beginning of the section.
7269         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7270         in error message.
7271         (Target_arm::Scan::global): Treat any reference to the symbol
7272         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7273
7274 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7275
7276         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7277         (Scan::global_reloc_may_be_function_pointer): New function.
7278         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7279         (Scan::global_reloc_may_be_function_pointer): New function.
7280         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7281         (Scan::global_reloc_may_be_function_pointer): New function.
7282         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7283         (Scan::global_reloc_may_be_function_pointer): New function.
7284         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7285         (Scan::global_reloc_may_be_function_pointer): New function.
7286         (Scan::possible_function_pointer_reloc): New function.
7287         (Target_x86_64::can_check_for_function_pointers): New function.
7288         * gc.h (gc_process_relocs): Scan relocation types to determine if
7289         function pointers were taken for targets that support it.
7290         * icf.cc (Icf::find_identical_sections): Include functions for
7291         folding in safe ICF whose pointer is not taken.
7292         * icf.h (Secn_fptr_taken_set): New typedef.
7293         (fptr_section_id_): New member.
7294         (section_has_function_pointers): New function.
7295         (set_section_has_function_pointers): New function.
7296         (check_section_for_function_pointers): New function.
7297         * options.h: Fix comment for safe ICF option.
7298         * target.h (can_check_for_function_pointers): New function.
7299         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7300         Modify icf_safe_test for X86-64.
7301         * testsuite/Makefile.in: Regenerate.
7302         * testsuite/icf_safe_so_test.cc: New file.
7303         * testsuite/icf_safe_so_test.sh: New file.
7304         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7305         (main): Change to take pointer to function kept_func_3.
7306         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7307         folding is done correctly for X86-64.
7308
7309 2010-02-12  David S. Miller  <davem@davemloft.net>
7310
7311         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7312         is_symbolless parameter.
7313         (Output_reloc<SHT_REL>::is_symbolless): New.
7314         (Output_reloc<SHT_REL>::is_symbolless_): New.
7315         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7316         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7317         (Output_reloc<SHT_RELA>::is_symbolless): New.
7318         (Output_data_reloc::add_global): Handle is_symbolless.
7319         (Output_data_reloc::add_global_relative): Likewise.
7320         (Output_data_reloc::add_local): Likewise.
7321         (Output_data_reloc::add_local_relative): Likewise.
7322         (Output_data_reloc::add_symbolless_global_addend): New.
7323         (Output_data_reloc::add_symbolless_local_addend): New.
7324         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7325         is_symbolless.
7326         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7327         instead of ->is_relative_
7328         (Output_reloc::write): Likewise.
7329         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7330         (Output_reloc::write_rel): Simplify.
7331
7332         * sparc.cc (Target_sparc::Scan::local): Use
7333         ->add_symbolless_local_addend as needed.
7334         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7335         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7336         based upon relocation offset.
7337
7338 2010-02-11  Doug Kwan  <dougkwan@google.com>
7339
7340         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7341         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7342         beginning of function.
7343         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7344         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7345         parameter is_32bit in calls to should_apply_static_reloc.
7346         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7347         (check_DATA): Add arm_abs_global.stdout.
7348         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7349         arm_abs_global.stdout): New rules.
7350         (MOSTLLYCLEANFILES): Add arm_abs_global
7351         * Makefile.in: Regenerate.
7352         * testsuite/arm_abs_global.s: New file.
7353         * testsuite/arm_abs_global.sh: Ditto.
7354         * testsuite/arm_abs_lib.s: Ditto.
7355
7356 2010-02-11  Ian Lance Taylor  <iant@google.com>
7357
7358         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7359         Read_relocs task.
7360         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7361         Allocate_commons_task first.
7362         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7363         task, rather than symtab_lock_.
7364         (Gc_process_relocs::~Gc_process_relocs): New function.
7365         (Gc_process_relocs::is_runnable): Check this_blocker_.
7366         (Gc_process_relocs::locks): Use next_blocker_ rather than
7367         blocker_.
7368         (Scan_relocs::~Scan_relocs): New function.
7369         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7370         symtab_lock_.
7371         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7372         next_blocker_.
7373         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7374         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7375         constructor accordingly.
7376         (class Gc_process_relocs): Likewise.
7377         (class Scan_relocs): Likewise.
7378         * common.h (class Allocate_commons_task): Remove symtab_lock_
7379         field, and corresponding constructor parameter.
7380         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7381         symtab_lock_.
7382         (Allocate_commons_task::locks): Likewise.
7383
7384 2010-02-11  Ian Lance Taylor  <iant@google.com>
7385
7386         * gold-threads.h (class Once): Define.
7387         (class Initialize_lock): Rewrite as child of Once.
7388         * gold-threads.cc (class Once_initialize): Define.
7389         (once_pointer_control): New static variable.
7390         (once_pointer, once_arg): New static variables.
7391         (c_run_once): New static function.
7392         (Once::Once, Once::run_once, Once::internal_run): New functions.
7393         (class Initialize_lock_once): Remove.
7394         (initialize_lock_control): Remove.
7395         (initialize_lock_pointer): Remove.
7396         (initialize_lock_once): Remove.
7397         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7398         (Initialize_lock::initialize): Rewrite.
7399         (Initialize_lock::do_run_once): New function.
7400         * archive.cc (Archive::interpret_header): Only clear name if it is
7401         not already empty.
7402         * fileread.cc: Include "gold-threads.h"
7403         (file_counts_lock): New static variable.
7404         (file_counts_initialize_lock): Likewise.
7405         (File_read::release): Only increment counts when using --stats.
7406         Use a lock around the increment.
7407         * parameters.cc (class Set_parameters_target_once): Define.
7408         (set_parameters_target_once): New static variable.
7409         (Parameters::Parameters): Move here from parameters.h.
7410         (Parameters::set_target): Rewrite.
7411         (Parameters::set_target_once): New function.
7412         (Parameters::clear_target): Move here and rewrite.
7413         * parameters.h (class Parameters): Update declarations.  Add
7414         set_parameters_target_once_ field.
7415         (Parameters::Parameters): Move to parameters.cc.
7416         (Parameters::clear_target): Likewise.
7417         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7418         task.
7419         (Start_group::~Start_group): New function.
7420         (Start_group::is_runnable): New function.
7421         (Start_group::locks, Start_group::run): New functions.
7422         (Finish_group::run): Change saw_undefined to size_t.
7423         * readsyms.h (class Start_group): Define.
7424         (class Finish_group): Change saw_undefined_ field to size_t.
7425         (Finish_group::Finish_group): Remove saw_undefined and
7426         this_blocker parameters.  Change all callers.
7427         (Finish_group::set_saw_undefined): New function.
7428         (Finish_group::set_blocker): New function.
7429         * symtab.h (class Symbol_table): Change saw_undefined to return
7430         size_t.  Change saw_undefined_ field to size_t.
7431         * target-select.cc (Set_target_once::do_run_once): New function.
7432         (Target_selector::Target_selector): Initialize set_target_once_
7433         field.  Don't initialize lock_ and initialize_lock_ fields.
7434         (Target_selector::instantiate_target): Rewrite.
7435         (Target_selector::set_target): New function.
7436         * target-select.h (class Set_target_once): Define.
7437         (class Target_selector): Update declarations.  Make
7438         Set_target_once a friend.  Remove lock_ and initialize_lock_
7439         fields.  Add set_target_once_ field.
7440
7441 2010-02-10  Ian Lance Taylor  <iant@google.com>
7442
7443         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7444         queueing any tasks.
7445         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7446         (queue_middle_tasks): Add all blockers before queueing any tasks.
7447         (queue_final_tasks): Likewise.
7448         * token.h (Task_token::add_blockers): New function.
7449         * object.h (Input_objects::number_of_relobjs): New function.
7450
7451 2010-02-10  Ian Lance Taylor  <iant@google.com>
7452
7453         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7454         shared, not if not position independent.
7455         * x86_64.cc (Relocate::relocate_tls): Likewise.
7456         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7457         (tls_pie_pic_test): New target.
7458         * testsuite/Makefile.in: Rebuild.
7459
7460         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7461         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7462         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7463         * testsuite/Makefile.in: Rebuild.
7464
7465 2010-02-09  David S. Miller  <davem@davemloft.net>
7466
7467         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7468         R_SPARC_RELATIVE using ->add_local_relative().
7469         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7470
7471         * output.h (Output_data_dynamic::add_section_size): New method
7472         that takes two Output_data objects.
7473         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7474         entry param.  Handle it in initializers.
7475         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7476         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7477         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7478         arg.
7479         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7480         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7481         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7482         for dynrel_includes_plt.
7483         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7484         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7485         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7486         before .rela.plt
7487         (Target_sparc::do_finalize_sections): Update to pass true for
7488         dynrel_includes_plt.
7489         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7490         output before .rela.plt
7491         (Target_powerpc::do_finalize_sections): Update to pass true for
7492         dynrel_includes_plt when 32-bit.
7493
7494 2010-02-08  Doug Kwan  <dougkwan@google.com>
7495
7496         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7497         method.
7498         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7499         Arm_relobj::scan_section_for_cortex_a8_stubs,
7500         Arm_relobj::do_relocation_section): Instead of calling
7501         Output_section::output_address, use faster
7502         Arm_relobj::simple_input_section_output_address.
7503
7504 2010-02-08  David S. Miller  <davem@davemloft.net>
7505
7506         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7507         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7508         relocation helper function.
7509
7510         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7511         just like R_SPARC_GOT{10,13,22}.
7512         (Target_sparc::Scan::local): Likewise.
7513         (Target_sparc::Relocate:relocate): Likewise.
7514
7515 2010-02-06  Ian Lance Taylor  <iant@google.com>
7516
7517         * configure.ac: Rewrite targetobjs duplicate removal code to use
7518         only shell constructs.
7519         * configure: Rebuild.
7520
7521 2010-02-05  Doug Kwan  <dougkwan@google.com>
7522
7523         PR 11247
7524         * arm.cc (Arm_relobj::section_is_scannable): New method.
7525         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7526         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7527
7528 2010-02-04  Doug Kwan  <dougkwan@google.com>
7529
7530         PR 11247
7531         * arm-reloc-property.cc (cstdio): Include.
7532         * configure.ac (targetobjs): Remove duplicates.
7533         * configure: Regenerate.
7534         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7535         big and little endian version for a given address size.
7536
7537 2010-02-03  Doug Kwan  <dougkwan@google.com>
7538
7539         * arm-reloc-property.cc
7540         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7541         definition.
7542         * arm-reloc-property.h
7543         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7544         New method definition.
7545         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7546         declaration.
7547         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7548         overflow to N.
7549         (GOT_PREL): Change implemented to Y.
7550         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7551         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7552         (Arm_relocate_functions::movw_abs_nc): Remove method.
7553         (Arm_relocate_functions::movt_abs): Ditto.
7554         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7555         (Arm_relocate_functions::thm_movt_abs): Ditto.
7556         (Arm_relocate_functions::movw_rel_nc): Ditto.
7557         (Arm_relocate_functions::movw_rel): Ditto.
7558         (Arm_relocate_functions::movt_rel): Ditto.
7559         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7560         (Arm_relocate_functions:thm_movw_rel): Ditto.
7561         (Arm_relocate_functions:thm_movt_rel): Ditto.
7562         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7563         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7564         New method definitions.
7565         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7566         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7567         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7568         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7569         (Target_arm::Relocate::relocate): Check for non-static or
7570         unimplemented relocation code and exit early.  Change calls to
7571         Target_arm::reloc_uses_thumb_bit and
7572         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7573         instead.  Refactor code to handle similar relocations to increase
7574         code sharing.  Remove check for unsupported relocation code in switch
7575         statement.
7576         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7577         relocation property table to find out size.  Change error message to
7578         print out the name of a relocation code instead of the numeric value.
7579         (Target_arm::scan_reloc_for_stub): Use relocation property table
7580         instead of calling Target_arm::reloc_uses_thumb_bit().
7581
7582 2010-02-02  Doug Kwan  <dougkwan@google.com>
7583
7584         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7585         types of relaxed input section.
7586
7587 2010-02-02  Doug Kwan  <dougkwan@google.com>
7588
7589         * Makefile.am (HFILES): Add arm-reloc-property.h.
7590         (DEFFILES): New.
7591         (TARGETSOURCES): Add arm-reloc-property.cc
7592         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7593         (libgold_a_SOURCES): $(DEFFILES)
7594         * Makefile.in: Regenerate.
7595         * arm-reloc-property.cc: New file.
7596         * arm-reloc-property.h: New file.
7597         * arm-reloc.def: New file.
7598         * arm.cc: Update comments.
7599         (arm-reloc-property.h): New included header.
7600         (arm_reloc_property_table): New global variable.
7601         (Target_arm::do_select_as_default_target): New method definition.
7602         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7603         arm-reloc-property to targ_extra_obj.
7604         * parameters.cc (set_parameters_target): Call
7605         Target::select_as_default_target().
7606         * target.h (Target::select_as_default_target): New method definition.
7607         (Target::do_select_as_default_target): Same.
7608
7609 2010-02-01  Doug Kwan  <dougkwan@google.com>
7610
7611         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7612         first_output_text_section_.
7613         (Arm_exidx_fixup::first_output_text_section): New method definition.
7614         (Arm_exidx_fixup::first_output_text_section_): New data member.
7615         (Arm_exidx_fixup::process_exidx_section): Record the first text
7616         output section seen.
7617         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7618         and entsize in output section header.
7619
7620 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7621
7622         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7623         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7624         (Arm_relocate_functions::thm_alu11): New Method.
7625         (Arm_relocate_functions::thm_pc8): New Method.
7626         (Arm_relocate_functions::thm_pc12): New Method.
7627         (Target_arm::Scan::local): Handle the relocations.
7628         (Target_arm::Scan::global): Likewise.
7629         (Target_arm::Relocate::relocate): Likewise.
7630         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7631
7632 2010-01-29  Doug Kwan  <dougkwan@google.com>
7633
7634         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7635         of relocation types as ld.
7636
7637 2010-01-29  Doug Kwan  <dougkwan@google.com>
7638
7639         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7640         to public.
7641         (Arm_relocate_functions::thumb_branch_common): Ditto.
7642         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7643         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7644         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7645         Arm_relocate_functions::jump24): Remove.
7646         (Target_arm::Relocate::relocate): Adjust code to call
7647         Arm_relocation_functions::arm_branch_common and
7648         Arm_relocation_functions::thumb_branch_common instead of their removed
7649         wrappers.  Merge switch-cases together to reduce source code size.
7650
7651 2010-01-29  Doug Kwan  <dougkwan@google.com>
7652
7653         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7654         output_local_symbol_count_needs_update_.
7655         (Arm_relobj::output_local_symbol_count_needs_update,
7656          Arm_relobj::set_output_local_symbol_count_needs_update,
7657          Arm_relobj::update_output_local_symbol_count): New methods.
7658         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7659         member.
7660         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7661         of pointed function as in a R_ARM_PREL31 relocation.
7662         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7663         for output local symbol count updating.
7664         (Target_arm::do_relax): Update output local symbol counts in objects
7665         if necessary.
7666         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7667
7668 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7669
7670         * arm.cc: Added support for the ARM relocations:
7671         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7672         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7673         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7674         movw_prel_nc).
7675         (Arm_relocate_functions::movw_rel): New method.
7676         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7677         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7678         thm_movw_prel_nc).
7679         (Arm_relocate_functions::thm_movw_rel): New method.
7680         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7681         thm_movt_prel).
7682         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7683         relocations.
7684         (Target_arm::Scan::global): Likewise.
7685         (Target_arm::Relocate::relocate): Likewise.
7686         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7687         Likewise.
7688
7689 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7690
7691         * arm.cc: Added support for ARM group relocations.
7692         (Target_arm::reloc_needs_sym_origin): New method.
7693         (Arm_relocate_functions::calc_grp_kn): New method.
7694         (Arm_relocate_functions::calc_grp_residual): New method.
7695         (Arm_relocate_functions::calc_grp_gn): New method.
7696         (Arm_relocate_functions::arm_grp_alu): New Method.
7697         (Arm_relocate_functions::arm_grp_ldr): New Method.
7698         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7699         (Arm_relocate_functions::arm_grp_ldc): New Method.
7700         (Target_arm::Scan::local): Handle the ARM group relocations.
7701         (Target_arm::Scan::global): Likewise.
7702         (Target_arm::Relocate::relocate): Likewise.
7703         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7704         Likewise.
7705
7706 2010-01-26  Doug Kwan  <dougkwan@google.com>
7707
7708         * arm.cc (set): Include.
7709         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7710         pointer type.
7711         (Arm_output_section::Text_section_list): New type.
7712         (Arm_output_section::append_text_sections_to_list): New method.
7713         (Arm_output_section::fix_exidx_coverage): Ditto.
7714         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7715         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7716         Relobj::set_section_offset() instead of
7717         Sized_relobj::invalidate_section_offset().
7718         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7719         parameter for section headers. Ignore relocation sections for
7720         unallocated sections and EXIDX sections.
7721         (Target_arm::fix_exidx_coverage): New method.
7722         (Target_arm::output_section_address_less_than): New type.
7723         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7724         linked text section instead of the EXIDX section.
7725         (Arm_output_section::create_stub_group): Add an assertion to check
7726         that this is not an EXIDX output section.
7727         (Arm_output_section::append_text_sections_to_list): New method.
7728         (Arm_output_section::fix_exidx_coverage): Ditto.
7729         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7730         Arm_relobj::section_needs_reloc_stub_scanning.
7731         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7732         first pass.
7733         (Target_arm::fix_exidx_coverage): New method.
7734         * object.h (Relobj::set_output_section): New method.
7735         (Sized_relobj::invalidate_section_offset): Remove method.
7736         (Sized_relobj::do_invalidate_section_offset): Remove method.
7737         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7738
7739 2010-01-25  Doug Kwan  <dougkwan@google.com>
7740
7741         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7742         Fix warning due to signed and unsigned comparison on a 32-bit host.
7743
7744 2010-01-22  Doug Kwan  <dougkwan@google.com>
7745
7746         * arm.cc (Target_arm::do_relax): Record an output section for section
7747         offset adjustment it contains any stub table that has changed.
7748         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7749         offsets in an output section if necessary.
7750         * output.cc (Output_section::Output_section): Initialize
7751         section_offsets_need_adjustments_.
7752         (Output_section::add_input_section_for_script): Renamed to
7753         Output_section::add_simple_input_section.
7754         (Output_section::save_states): Add a comment.
7755         (Output_section::discard_states): New method defintion.
7756         (Output_section::adjust_section_offsets): Same.
7757         * output.h (Output_section::add_input_section_for_script): Renamed to
7758         Output_section::add_simple_input_section.
7759         (Output_section::discard_states): New method declaration.
7760         (Output_section::adjust_section_offsets): Same.
7761         (Output_section::section_offsets_need_adjustment,
7762         Output_section::set_section_offsets_need_adjustment): New method
7763         definitions.
7764         (Output_section::section_offsets_need_adjustment_): New data member.
7765         * script-sections.cc
7766         (Output_section_element_input::set_section_address): Adjust code for
7767         renaming of Output_section::add_input_section_for_script.
7768         (Orphan_output_section::set_section_address): Same.
7769
7770 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7771
7772         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7773         Fix_v4bx enum values .
7774         * gold/options.h (General_options): New option definitions.
7775         (General_options::fix_v4bx): New method.
7776         (General_options::Fix_v4bx): New enum.
7777         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7778         (General_options::parse_fix_v4bx_interworking): New method.
7779
7780 2010-01-22  Doug Kwan  <dougkwan@google.com>
7781
7782         * arm.cc (Arm_exidx_fixup): New class.
7783
7784 2010-01-21  Doug Kwan  <dougkwan@google.com>
7785
7786         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7787         classes.
7788         (Arm_exidx_section_offset_map): New type.
7789
7790 2010-01-21  Doug Kwan  <dougkwan@google.com>
7791
7792         * arm.cc (Arm_exidx_input_section): New class.
7793         (Arm_relobj::exidx_input_section_by_link,
7794         Arm_relobj::exidx_input_section_by_shndx,
7795         Arm_relobj::make_exidx_input_section): New methods.
7796         (read_arm_attributes_section): Remove.
7797         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7798         information about them.
7799         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7800         to here.
7801
7802 2010-01-20  Doug Kwan  <dougkwan@google.com>
7803
7804         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7805         Input_section_specifier to Section_id.
7806         (Target_arm::new_arm_input_section: Adjust code for change of key
7807         type.
7808         (Target_arm::find_arm_input_section): Ditto.
7809         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7810         (Section_id): Remove.
7811         (Garbage_collection::Section_id_hash): Remove.
7812         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7813         (Section_id): Remove.
7814         (Icf::Section_id_hash): Remove.
7815         * object.h (Section_id, Const_section_id, Section_id_hash,
7816         Const_section_id_hash): New type definitions.
7817         * output.cc (Output_section::add_relaxed_input_section): Change to
7818         use Const_section_id instead of Input_section_specifier as key type.
7819         (Output_section::add_merge_input_section): Ditto.
7820         (Output_section::build_relaxation_map): Change to use Section_id
7821         instead of Input_section_specifier as key type.
7822         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7823         Ditto.
7824         (Output_section::convert_input_sections_to_relaxed_sections): Change
7825         to use Const_section_id instead of Input_section_specifier as key type.
7826         (Output_section::find_merge_section): Ditto.
7827         (Output_section::find_relaxed_input_section): Ditto.
7828         * output.h (Input_section_specifier): Remove class.
7829         (Output_section::Output_section_data_by_input_section_map): Change
7830         key type to Const_section_id.
7831         (Output_section::Output_relaxed_input_section_by_input_section_map):
7832         Ditto.
7833         (Output_section::Relaxation_map): Change key type to Section_id.
7834
7835 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7836
7837         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7838         (class Arm_v4bx_stub): New class.
7839         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7840         (Stub_factory::make_arm_v4bx_stub): New method.
7841         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7842         (Stub_table::empty): Handle v4bx stubs.
7843         (Stub_table::add_arm_v4bx_stub): New method.
7844         (Stub_table::find_arm_v4bx_stub): New method.
7845         (Arm_relocate_functions::v4bx): New method.
7846         (Target_arm::fix_v4bx): New method.
7847         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7848         (Stub_table::relocate_stubs): Likewise.
7849         (Stub_table::do_write): Likewise.
7850         (Stub_table::update_data_size_and_addralign): Likewise.
7851         (Stub_table::finalize_stubs):  Likewise.
7852         (Target_arm::Scan::local): Likewise.
7853         (Target_arm::Scan::global): Likewise.
7854         (Target_arm::do_finalize_sections): Likewise.
7855         (Target_arm::Relocate::relocate): Likewise.
7856         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7857         Likewise.
7858         (Target_arm::scan_reloc_for_stub): Likewise.
7859         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7860
7861 2010-01-19  Ian Lance Taylor  <iant@google.com>
7862
7863         * output.cc (Output_section_headers::do_sized_write): Write large
7864         segment count to sh_info field.
7865         (Output_file_header::do_sized_write): For large segment count,
7866         write PN_XNUM to e_phnum field.
7867
7868 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7869
7870         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7871         (Arm_relocate_functions::thm_jump8): New function.
7872         (Arm_relocate_functions::thm_jump11): New function.
7873         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7874         R_ARM_THM_JUMP11.
7875         (Target_arm::Scan::global): Likewise.
7876         (Target_arm::Relocate::relocate): Likewise.
7877         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7878         Likewise.
7879
7880 2010-01-14  Doug Kwan  <dougkwan@google.com>
7881
7882         * arm.cc (map, utility): Include headers.
7883         (Target_arm::apply_cortex_a8_workaround): New method.
7884         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7885         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7886         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7887         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7888         the --[no-]fix-cortex-a8 command line options.
7889         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7890         (Target_arm::relocate_stub): Use addend in instruction template.
7891         * options.h (DEFINE_bool): Set the user-set flag.
7892         (General_options): Add --[no-]-fix-cortex options.
7893         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7894         : Update fast look-up map after conversion.
7895
7896 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7897
7898         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7899         in the first pass of do_layout.
7900
7901 2010-01-13  Doug Kwan  <dougkwan@google.com>
7902
7903         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7904         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7905         apparent compiler problem of not folding static constant integral
7906         data members of elfcpp::Elf_sizes<32>.
7907
7908 2010-01-13  Doug Kwan  <dougkwan@google.com>
7909
7910         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7911         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7912         Arm_relobj::scan_section_for_cortex_a8_erratum,
7913         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7914         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7915         sections to scan for relocation stubs into a new method
7916         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7917         relocation and Cortex-A8 stub scanning.
7918         (Target_arm::do_relax): Force stubs to be after stubbed sections
7919         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7920         the beginning of a new relaxation pass.  Update a comment.
7921         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7922
7923 2010-01-12  Ian Lance Taylor  <iant@google.com>
7924
7925         * target-reloc.h (visibility_error): New inline function.
7926         (relocate_section): Call visibility_error.
7927         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7928         (MOSTLYCLEANFILES): Likewise.
7929         (protected_4_pic.o, protected_3.err): New targets.
7930         * testsuite/protected_4.cc: New file.
7931
7932 2010-01-12  Doug Kwan  <dougkwan@google.com>
7933
7934         * arm.cc (Cortex_a8_reloc): New class.
7935         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7936         and cortex_a8_relocs_info_.
7937         (Target_arm::fix_cortex_a8): New method definition.
7938         (Target_arm::Cortex_a8_relocs_info): New type.
7939         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7940         New data member declarations.
7941         (Target_arm::scan_reloc_for_stub): Record information about
7942         relocations for THUMB branches that might be exempted from the
7943         Cortex-A8 workaround.
7944         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7945         at the beginning of a relaxation pass.
7946
7947 2010-01-12  Doug Kwan  <dougkwan@google.com>
7948
7949         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7950         (Arm_relobj::Mapping_symbol_position,
7951          Arm_reloj::Mapping_symbol_position_less,
7952          Arm_relobj::Mapping_symbols_info): New types.
7953         (Target_arm::is_mapping_symbol_name): New method definition.
7954         (Arm_relobj::do_count_local_symbols): Save information about mapping
7955         symbols.
7956
7957 2010-01-11  Doug Kwan  <dougkwan@google.com>
7958
7959         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7960         Arm_relocate_functions::thumb32_branch_upper,
7961         Arm_relocate_functions::thumb32_branch_lower,
7962         Arm_relocate_functions::thumb32_cond_branch_offset,
7963         Arm_relocate_functions::thumb32_cond_branch_upper,
7964         Arm_relocate_functions::thumb32_cond_branch_lower,
7965         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7966         branch offset encoding.
7967         (Arm_relocate_functions::thumb_branch_common): Use new branch
7968         offset encoding methods to avoid code duplication.
7969         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7970         (Stub_addend_reader::operator()): Use new branch encoding method
7971         to avoid code duplication.
7972
7973 2010-01-11  Doug Kwan  <dougkwan@google.com>
7974
7975         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7976         (Target_arm::do_finalize_sections): Define special EXIDX section
7977         symbols only if referenced.
7978         * gc.h (Garbage_collection::add_reference): New method.
7979         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7980         code duplication.
7981
7982 2010-01-11  Ian Lance Taylor  <iant@google.com>
7983
7984         * script.cc (Version_script_info::build_expression_list_lookup):
7985         Change complaing about duplicate wildcard match from error to
7986         warning.
7987
7988         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7989         of 2009-12-30.
7990         (Version_script_info::Version_script_info): Initialize globs_,
7991         default_version_, default_is_global_, and exact_.  Don't
7992         initialize globals_ or locals_.
7993         (Version_script_info::build_lookup_tables): Build local symbols
7994         first.
7995         (Version_script_info::unquote): New function.
7996         (Version_script_info::add_exact_match): New function.
7997         (Version_script_info::build_expression_list_lookup): Remove lookup
7998         parameter.  Add is_global parameter.  Change all callers.  Handle
7999         wildcard pattern specially.  Unquote pattern.  Call
8000         add_exact_match.
8001         (Version_script_info::get_name_to_match): New function.
8002         (Version_script_info::get_symbol_version): New function.
8003         (Version_script_info::get_symbol_version_helper): Remove.
8004         (Version_script_info::check_unmatched_names): Call unquote.
8005         * script.h (class Version_script_info): Change get_symbol_version
8006         to be non-inline and add is_global parameter; change all callers.
8007         Rewrite symbol_is_local.  Update declarations.  Define struct
8008         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8009         Remove globals_ and locals_ members.  Add exact_, globs_,
8010         default_version_, is_global_.
8011         (Version_script_info::Glob): Remove pattern, add expression and
8012         is_global.  Update constructor.  Change all callers.
8013         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8014         default version.
8015         (Versions::symbol_section_contents): If a symbol is undefined, or
8016         defined in a dynamic object, set the version index to
8017         VER_NDX_LOCAL.
8018         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8019         symbol_is_local.
8020         (Symbol_table::add_from_pluginobj): Likewise.
8021         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8022
8023 2010-01-11  Doug Kwan  <dougkwan@google.com>
8024
8025         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8026         (incremental_dump_LDADD): Add linking option for libintl.
8027         * Makefile.in: Regenerate.
8028
8029 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8030
8031         PR gold/11144
8032         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8033         instead of -Ds.
8034         * testsuite/Makefile.in: Regenerated.
8035
8036 2010-01-10  Doug Kwan  <dougkwan@google.com>
8037
8038         * options.h (DEFINE_var): Use parentheses around argument varname__
8039         in macro body to avoid any unintended subsequent substitutions.
8040
8041 2010-01-10  Ian Lance Taylor  <iant@google.com>
8042
8043         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8044         candidates before doing symbol resolution.
8045
8046         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8047         ODR candidates if only one is weak.
8048
8049 2010-01-08  Ian Lance Taylor  <iant@google.com>
8050
8051         * script.cc (Version_script_info::build_expression_list_lookup):
8052         Don't warn about ambiguous version, just record the ambiguity.
8053         (Version_script_info::get_symbol_version_helper): Give error if
8054         version is ambiguous.
8055
8056 2010-01-08  Doug Kwan  <dougkwan@google.com>
8057
8058         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8059         prev_data_size_ and prev_addralign_.  Remove initializer for
8060         deleted data member has_been_changed_.
8061         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8062         to determine if the table is empty.
8063         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8064         Remove.
8065         (Stub_table::add_reloc_stub): Define method in class definition
8066         instead of just declaring it there.
8067         (Stub_table::add_cortex_a8_stub): New method definition.
8068         (Stub_table::update_data_size_and_addralign): Ditto.
8069         (Stub_table::finalize_stubs): Ditto.
8070         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8071         (Stub_table::do_addralign_): Return address alignment in the
8072         (Stub_table::do_reset_address_and_file_offset): Define method in
8073         class definition instead of declaring it there.  Set current data
8074         size to be the data size of the previous pass.
8075         (Stub_table::set_final_data_size): Use current data size as the
8076         final data size.
8077         (Stub_table::relocate_stub): Change parameter type of stub from
8078         Reloc_stub pointer to Stub pointer.
8079         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8080         (Stub_table::Cortex_a8_stub_list): New typedef.
8081         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8082          Stub_table::prev_addralign_): New data member.
8083         (Arm_relobj::Arm_relobj): Initialize data member
8084         section_has_cortex_a8_workaround_.
8085         (Arm_relobj::section_has_cortex_a8_workaround,
8086          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8087          definitions.
8088         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8089         declarations.
8090         (Target_arm::relocate_stub): Change parameter type of stub from
8091         Reloc_stub pointer to Stub pointer.
8092         (Insn_template::size, Insn_template::alignment): Handle
8093         THUMB16_SPECIAL_TYPE.
8094         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8095          Stub_table::update_data_size_and_addralign,
8096          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8097         definitions.
8098         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8099         (Stub_table::do_write): Ditto.
8100         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8101
8102 2010-01-08  Ian Lance Taylor  <iant@google.com>
8103
8104         PR 11108
8105         * symtab.h (class Symbol): Remove fields is_target_special_ and
8106         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8107         (Symbol::is_defined_in_discarded_section): New function.
8108         (Symbol::set_is_defined_in_discarded_section): New function.
8109         (Symbol::has_plt_offset): Rewrite.
8110         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8111         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8112         Don't initialize is_target_special_ or has_plt_offset_.
8113         Initialize is_defined_in_discarded_section_.
8114         (Symbol_table::add_from_relobj): If appropriate, set
8115         is_defined_in_discarded_section.
8116         * resolve.cc (Symbol::override_base_with_special): Don't test
8117         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8118         * target-reloc.h (relocate_section): Do special handling for
8119         symbols defined in discarded sections for global symbols as well
8120         as local symbols.
8121
8122 2010-01-08  Ian Lance Taylor  <iant@google.com>
8123
8124         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8125         the SHT_SYMTAB case.
8126
8127 2010-01-08  Ian Lance Taylor  <iant@google.com>
8128
8129         * object.cc (Sized_relobj::do_layout): Don't get confused if
8130         layout_eh_frame returns NULL.
8131
8132 2010-01-08  Ian Lance Taylor  <iant@google.com>
8133
8134         PR 11084
8135         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8136         dynamic symbol table, use the normal symbol table.
8137         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8138         symbol table.
8139
8140 2010-01-08  Ian Lance Taylor  <iant@google.com>
8141
8142         PR 11072
8143         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8144         sections.
8145
8146 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8147
8148         * version.cc (print_version): Change to "Copyright 2010".
8149
8150 2010-01-08  Ian Lance Taylor  <iant@google.com>
8151
8152         PR 10287
8153         PR 11063
8154         * i386.cc (class Target_i386): Change return type of plt_section
8155         to be non-const.
8156         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8157         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8158         tls_desc_rel_ field.
8159         (Output_data_plt_i386::rel_tls_desc): New function.
8160         (Target_i386::rel_tls_desc_section): New function.
8161         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8162         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8163         R_386_TLS_DESC reloc in rel_tls_desc_section.
8164         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8165         Define struct Tlsdesc_info.
8166         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8167         (Target_x86_64::do_reloc_symbol_index): New function.
8168         (Target_x86_64::add_tlsdesc_info): New function.
8169         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8170         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8171         tlsdesc_rel_ field.
8172         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8173         all callers.
8174         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8175         (Target_x86_64::rela_tlsdesc_section): New function.
8176         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8177         handling.
8178         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8179         (Target_x86_64::do_reloc_addend): New function.
8180         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8181         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8182         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8183         (Output_reloc::type): New function.
8184         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8185         (Output_reloc::is_target_specific): New function.
8186         (Output_reloc::target_arg): New function.
8187         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8188         absolute relocs and target specific relocs.
8189         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8190         add_target_specific.
8191         (class Output_data_reloc) [SHT_RELA]: Likewise.
8192         * output.cc (Output_reloc::Output_reloc): Add four new versions
8193         for absolute relocs and target specific relocs.
8194         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8195         (Output_reloc::get_symbol_index): Likewise.
8196         (Output_reloc::local_section_offset): Check that local_sym_index_
8197         is not TARGET_CODE or 0.
8198         (Output_reloc::symbol_value): Likewise.
8199         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8200         reloc.
8201         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8202         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8203         functions.
8204         * layout.cc (add_target_dynamic_tags): Use output section for
8205         DT_PLTRELSZ and DT_JMPREL.
8206
8207 2010-01-07  Ian Lance Taylor  <iant@google.com>
8208
8209         PR 11061
8210         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8211         function.
8212         (class Output_data_reloc_generic): Define.
8213         (class Output_data_reloc_base): Change base class to
8214         Output_data_reloc_generic.  Change add() method to call
8215         bump_relative_reloc_count for a relative reloc.  Remove
8216         sort_relocs_ field.
8217         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8218         to sort_relocs().
8219         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8220         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8221         appropriate.
8222         * layout.h (class Layout): Update declaration.
8223
8224 2010-01-07  Ian Lance Taylor  <iant@google.com>
8225
8226         * output.h (class Output_data): Add const version of
8227         output_section and do_output_section.
8228         (class Output_section_data): Add const version of
8229         do_output_section.
8230         (class Output_section): Likewise.
8231         * layout.cc (Layout::add_target_dynamic_tags): New function.
8232         * layout.h (class Layout): Update declarations.
8233         * arm.cc (Target_arm::do_finalize_sections): Use
8234         add_target_dynamic_tags.
8235         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8236         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8237         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8238         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8239
8240 2010-01-07  Ian Lance Taylor  <iant@google.com>
8241
8242         PR 11042
8243         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8244         object as needed.
8245
8246 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8247             Ian Lance Taylor  <iant@google.com>
8248
8249         PR 11019
8250         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8251         Xindex::read_symtab_xindex.
8252
8253 2010-01-07  Doug Kwan  <dougkwan@google.com>
8254
8255         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8256         (Insn_template::thumb16_bcond_insn): New method declaration.
8257         (Insn_template): Fix spelling.
8258         (Stub::thumb16_special): New method declaration.
8259         (Stub::do_write): Define virtual method which was previously pure
8260         virtual.
8261         (Stub::do_thumb16_special): New method declaration.
8262         (Stub::do_fixed_endian_write): New template member.
8263         (Reloc_stub::do_write): Remove.
8264         (Reloc_stub::do_fixed_endian_write): Remove.
8265         (Cortex_a8_stub): New class definition.
8266         (Stub_factory::make_cortex_a8_stub): New method definition.
8267         (Stub_factory::Stub_factory): Add missing static storage class
8268         qualifier for elf32_arm_stub_a8_veneer_blx.
8269
8270 2010-01-07  Ian Lance Taylor  <iant@google.com>
8271
8272         PR 10980
8273         * options.h (class General_options): Add --warn-unresolved-symbols
8274         and --error-unresolved-symbols.
8275         * errors.cc (Errors::undefined_symbol): Implement
8276         --warn-unresolved-symbols.
8277
8278         * options.h (class General_options): Add -z text and -z textoff.
8279         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8280
8281 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8282
8283         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8284         (Garbage_collection::cident_sections): New function.
8285         (Garbage_collection::add_cident_section): New function.
8286         (Garbage_collection::cident_sections_): New member.
8287         (gc_process_relocs): Add references to sections whose names are C
8288         identifiers.
8289         * gold.h (cident_section_start_prefix): New constant.
8290         (cident_section_stop_prefix): New constant.
8291         (is_cident): New function.
8292         * layout.cc (Layout::define_section_symbols): Replace string constants
8293         with the newly defined constants.
8294         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8295         C identifiers.
8296         * testsuite/Makefile.am: Add gc_orphan_section_test.
8297         * testsuite/Makefile.in: Regenerate.
8298         * testsuite/gc_orphan_section_test.cc: New file.
8299         * testsuite/gc_orphan_section_test.sh: New file.
8300
8301 2010-01-06  Ian Lance Taylor  <iant@google.com>
8302
8303         PR 10980
8304         * options.h (class General_options): Add --warn-shared-textrel.
8305         * layout.cc (Layout::finish_dynamic_section): Implement
8306         --warn-shared-textrel.
8307
8308         PR 10980
8309         * options.h (class General_options): Add --warn-multiple-gp.
8310
8311 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8312
8313         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8314         $(THREADSLIB) and $(LIBDL).
8315         * Makefile.in: Rebuild.
8316
8317 2010-01-06  Ian Lance Taylor  <iant@google.com>
8318
8319         PR 10980
8320         * options.cc (General_options::parse_section_start): New function.
8321         (General_options::section_start): New function.
8322         (General_options::General_options): Initialize all members.
8323         * options.h: Include <map>
8324         (class General_options): Add --section-start.  Add section_starts_
8325         member.
8326         * layout.cc (Layout::attach_allocated_section_to_segment): If
8327         --section-start was used, set the address of the segment.  Remove
8328         local sort_sections.
8329         (Layout::relaxation_loop_body): If the address of the load segment
8330         has been set by --section-start, don't use it.
8331         * output.h (Output_segment::update_flags_for_output_section): New
8332         function.
8333         * output.cc (Output_segment::add_output_section): Call
8334         update_flags_for_output_section.
8335
8336 2010-01-05  Ian Lance Taylor  <iant@google.com>
8337
8338         PR 10980
8339         * options.h (class General_options): Add --undefined-version.
8340         * script.cc (struct Version_expression): Add was_matched_by_symbol
8341         field.
8342         (Version_script_info::matched_symbol): New function.
8343         (Version_script_info::get_symbol_version_helper): Call
8344         matched_symbol.
8345         (Version_script_info::check_unmatched_names): New function.
8346         * script.h (class Version_script_info): Update declarations.
8347         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8348
8349         * options.h (class General_options): Use DEFINE_bool_alias for
8350         allow_multiple_definition.
8351         * resolve.cc (Symbol_table::should_override): Don't test
8352         allow_multiple_definition.
8353
8354         PR 10980
8355         * options.h (class General_options): Add --cref.
8356         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8357         until after printing cref table.
8358         * cref.cc: Include "symtab.h".
8359         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8360         (Cref_table_compare::operator()): New function.
8361         (Cref_inputs::gather_cref): New function.
8362         (filecol): New static const.
8363         (Cref_inputs::print_cref): New function.
8364         (Cref::print_cref): New function.
8365         * cref.h: Include <cstdio>.
8366         (class Cref): Update declarations.
8367         * mapfile.h (Mapfile::file): New function.
8368         * object.h (class Object): Define Symbols.  Declare virtual
8369         do_get_global_symbols.
8370         (Object::get_global_symbols): New function.
8371         * object.cc (Input_objects::add_object): Pass object to cref_ if
8372         --cref.
8373         (Input_objects::archive_start): Likewise.
8374         (Input_objects::archive_stop): Likewise.
8375         (Input_objects::print_cref): New function.
8376         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8377         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8378         --cref.
8379         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8380         function.
8381         * plugin.h (class Sized_pluginobj): Update declarations.
8382
8383 2010-01-05  Ian Lance Taylor  <iant@google.com>
8384
8385         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8386         to is_default_version.  Rename insdef to insdefault.
8387         (Symbol_table::add_from_relobj): Rename def to is_default_version
8388         and local to is_forced_local.
8389         (Symbol_table::add_from_pluginobj): Likewise.
8390         (Symbol_table::add_from_dynobj): Likewise.
8391         (Symbol_table::define_special_symbol): Rename insdef to
8392         insdefault.
8393
8394 2010-01-04  Ian Lance Taylor  <iant@google.com>
8395
8396         PR 10980
8397         * options.h (class General_options): Add
8398         --allow-multiple-definition and -z muldefs.
8399         * resolve.cc (Symbol_table::should_override): Don't warn about a
8400         multiple symbol definition if --allow-multiple-definition or -z
8401         muldefs.
8402
8403         PR 10980
8404         * options.h (class General_options): Add --add-needed and
8405         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8406         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8407         error if --copy-dt-needed-entries aka --add-needed is used and
8408         would cause a change in behaviour.
8409
8410         PR 10980
8411         * options.h (class General_options): Add -G as a short version of
8412         --shared.  Add no-op options -assert, -g, and -i.
8413
8414 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8415
8416         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8417         check for .text or .gnu.linkonce.t sections.
8418         * icf.cc (Icf::find_identical_sections): Ditto.
8419         Change the detection for mangled function name within the section
8420         name.
8421         * icf.h (is_section_foldable_candidate): New function.
8422
8423 2009-12-30  Ian Lance Taylor  <iant@google.com>
8424
8425         PR 10980
8426         * options.h (class General_options): Permit two dashes with
8427         --retain-symbols-file.
8428
8429 2009-12-30  Ian Lance Taylor  <iant@google.com>
8430
8431         PR 10979
8432         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8433         don't put the file header and segment headers in the text
8434         segment.
8435
8436         PR 10979
8437         * common.cc (Sort_commons::operator()): Stabilize sort when both
8438         entries are NULL.
8439         (Symbol_table::do_allocate_commons_list): When allocating common
8440         symbols, skip a symbol which is no longer common.
8441         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8442         an object before checking its type.
8443         * testsuite/common_test_2.c: New file.
8444         * testsuite/common_test_3.c: New file.
8445         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8446         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8447         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8448         (common_test_2_pic.o, common_test_2.so): New targets.
8449         (common_test_3_pic.o, common_test_3.so): New targets.
8450         * testsuite/Makefile.in: Rebuild.
8451
8452         PR 10979
8453         * script.cc (read_input_script): If we see a new SECTIONS clause,
8454         and we have added an input section, give an error.
8455         * layout.h (class Layout): Add have_added_input_section function.
8456         Add have_added_input_section_ field.
8457         * layout.cc (Layout::Layout): Initialize
8458         have_added_input_section_.
8459         (Layout::layout): Set have_added_input_section_.
8460         (Layout::layout_eh_frame): Likewise.
8461
8462 2009-12-30  Ian Lance Taylor  <iant@google.com>
8463
8464         PR 10931
8465         * options.h (class General_options): Add --sort-common option.
8466         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8467         * common.cc (Sort_common): Add sort_order parameter to
8468         constructor.  Add sort_order_ field.
8469         (Sort_commons::operator): Check sort_order_.
8470         (Symbol_table::allocate_commons): Determine the sort order.
8471         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8472         Change all callers.
8473         (Symbol_table::do_allocate_commons_list): Likewise.
8474
8475 2009-12-30  Ian Lance Taylor  <iant@google.com>
8476
8477         PR 10916
8478         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8479         symbols from this object, don't change the visibility of an
8480         undefined symbol.
8481         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8482
8483 2009-12-30  Ian Lance Taylor  <iant@google.com>
8484
8485         PR 10861
8486         * script.h (class Version_script_info): Define Language enum.
8487         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8488         new fields globals_, locals_, and is_finalized_.
8489         * script.cc: Various formatting fixes.
8490         (class Parser_closure): Change language_stack_ from a vector of
8491         std::string to one of Version_script_info::Language.  Adjust all
8492         uses accordingly.
8493         (class Lazy_demangler): Remove.
8494         (struct Version_expression): Change language from std::string to
8495         Version_script_info::Language.
8496         (Version_script_info::Version_script_info): New function.
8497         (Version_script_info::~Version_script_info): Don't call clear.
8498         (Version_script_info::finalize): New function.
8499         (Version_script_info::build_lookup_tables): New function.
8500         (Version_script_info::build_expression_list_lookup): New
8501         function.
8502         (Version_script_info::get_symbol_version_helper): Rewrite to use
8503         lookup tables.
8504         (Version_script_info::print_expression_list): Adjust to use
8505         Version_script_info::Language.
8506         (script_push_lex_into_version_mode): Check that the version script
8507         has not been finalized.
8508         (version_script_push_lang): Change language string to
8509         Version_script_info::Language.
8510         * options.cc (Command_line::version_script): New function.
8511         * options.h (class General_options): Add finalize_dynamic_list
8512         function.  Change version_script from declaration to definition.
8513         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8514         * testsuite/version_script.map: Remove duplicate def of foo.
8515         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8516         version_script.map.
8517         * testsuite/Makefile.in: Rebuild.
8518
8519 2009-12-30  Ian Lance Taylor  <iant@google.com>
8520
8521         PR 10843
8522         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8523         if the input symbol index is 0, make the output symbol index 0.
8524
8525 2009-12-30  Ian Lance Taylor  <iant@google.com>
8526
8527         PR 10670
8528         * options.h (class General_options): Add -x/--discard-all.
8529         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8530         --discard-all.  If the local symbol needs a dynamic entry, check
8531         that before handling --discard-locals.
8532
8533 2009-12-30  Ian Lance Taylor  <iant@google.com>
8534
8535         PR 10450
8536         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8537         flags to PF_R.
8538         (Output_segment::add_output_section): Don't change the flags if
8539         the type is PT_TLS.
8540
8541         PR 10450
8542         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8543         GNU hash table if they need a dynamic value.  Otherwise, don't add
8544         them if they are defined in a dynamic object or are forced local.
8545
8546 2009-12-29  Ian Lance Taylor  <iant@google.com>
8547
8548         PR 10450
8549         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8550         .gnu.hash table for a 32-bit target.
8551
8552         PR 10450
8553         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8554         regular and a dynamic object only needs a dynamic symbol table
8555         entry if it is externally visible.
8556
8557         PR 10450
8558         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8559         constructor.  Add global_offset_table_ field.
8560         (Target_i386::got_section): Set global_offset_table_.
8561         (Target_i386::do_finalize_sections): Set global_offset_table_
8562         size.
8563         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8564         in constructor.  Add global_offset_table_ field.
8565         (Target_x86_64::got_section): Set global_offset_table_.
8566         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8567         size.
8568
8569         * layout.cc (Layout::Layout): Initialize increase_relro_.
8570         (Layout::get_output_section): Add is_relro, is_last_relro, and
8571         is_first_non_relro parameters.  Change all callers.
8572         (Layout::choose_output_section): Likewise.
8573         (Layout::add_output_section_data): Likewise.
8574         (Layout::make_output_section): Likewise.
8575         (Layout::set_segment_offsets): Clear increase_relro when using a
8576         linker script.
8577         * layout.h (class Layout): Add increase_relro method.  Add
8578         increase_relro_ field.  Update declarations.
8579         * output.cc (Output_section::Output_section): Initialize
8580         is_last_relro_ and is_first_non_relro_.
8581         (Output_segment::add_output_section): Group relro sections is
8582         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8583         (Output_segment::maximum_alignment): Remove relro handling.
8584         (Output_segment::set_section_addresses): Add increase_relro
8585         parameter.  Change all callers.  Add initial alignment to align
8586         relro sections on separate page.  Remove old relro handling.
8587         (Output_segment::set_section_list_addresses): Remove in_relro
8588         parameter.  Change all callers.
8589         (Output_segment::set_offset): Add increase parameter.  Change all
8590         callers.  Remove old relro handling.
8591         * output.h (class Output_section): Add new methods: is_last_relro,
8592         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8593         Add is_last_relro_ and is_first_non_relro_ fields.
8594         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8595         Create separate .got.plt section.  Call increase_relro.
8596         * x86_64.cc (Target_x86_64::got_section): Likewise.
8597         * testsuite/relro_script_test.t: Add .got.plt.
8598
8599         PR 10450
8600         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8601         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8602         (Layout::finalize): Call set_dynamic_symbol_size.
8603         (Layout::set_dynamic_symbol_size): New function.
8604         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8605         set_dynamic_symbol_size.
8606
8607         PR 10450
8608         * output.h (class Output_section): Add is_entsize_zero_ field.
8609         * output.cc (Output_section::Output_section): Initialize
8610         is_entsize_zero_.
8611         (Output_section::set_entsize): If two different entsizes are
8612         requested, force it to zero.
8613         (Output_section::add_input_section): Set flags for .debug_str
8614         before updating section flags.  Set entsize.
8615         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8616         and SHF_STRING if all input sections have those flags.
8617
8618 2009-12-29   Rafael Espindola  <espindola@google.com>
8619
8620         * main.cc (main): Fix the sys time reporting.
8621         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8622         reporting.
8623
8624 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8625
8626         * options.cc (General_options::parse_version): Allow -v to exit
8627         without an error if there is nothing to link.
8628
8629 2009-12-29  Ian Lance Taylor  <iant@google.com>
8630
8631         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8632         using a version of gcc before 4.1.
8633         * configure: Rebuild.
8634
8635 2009-12-28  Chris Demetriou  <cgd@google.com>
8636
8637         * attributes.cc (Output_attributes_section_data::do_write): Use
8638         std::vector::front rather than std::vector::data.
8639
8640 2009-12-28  Ian Lance Taylor  <iant@google.com>
8641
8642         * symtab.h (class Symbol_table): Add enum Defined.
8643         * resolve.cc (Symbol_table::should_override): Add defined
8644         parameter.  Change all callers.  Test whether object is NULL
8645         before calling a method on it.
8646         (Symbol_table::report_resolve_problem): Add defined parameter.
8647         Change all callers.
8648         (Symbol_table::should_override_with_special): Likewise.
8649         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8650         parameter.  Change all callers.
8651         (Symbol_table::do_define_in_output_data): Likewise.
8652         (Symbol_table::define_in_output_segment): Likewise.
8653         (Symbol_table::do_define_in_output_segment): Likewise.
8654         (Symbol_table::define_as_constant): Likewise.
8655         (Symbol_table::do_define_as_constant): Likewise.
8656         * script.h (class Symbol_assignment): Add is_defsym parameter to
8657         constructor; change all callers.
8658         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8659         parameter.  Change all callers.  Add is_defsym_ field.
8660         (class Parser_closure): Add parsing_defsym parameter to
8661         constructor; change all callers.  Add parsing_defsym accessor
8662         function.  Add parsing_defsym_ field.
8663
8664 2009-12-28  Ian Lance Taylor  <iant@google.com>
8665
8666         * gold.cc (queue_middle_tasks): Fix formatting.
8667         * object.cc (Relobj::is_section_name_included): Likewise.
8668
8669 2009-12-23  Ian Lance Taylor  <iant@google.com>
8670
8671         * i386.cc (Target_i386::do_calls_non_split): Recognize
8672         -fsplit-stack prologue for a function with a static chain.
8673         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8674         -fsplit-stack prologue when using %r11.
8675
8676 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8677
8678         * options.cc (General_options::parse_version): Make -v continue and do
8679         the link like GNU ld does.
8680
8681 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8682
8683         * Makefile.am (CCFILES): Add timer.cc.
8684         (HFILES): Add timer.h.
8685         * configure.ac: Check for sysconf and times.
8686         * main.cc: include timer.h.
8687         (main): Use Timer instead of get_run_time.
8688         * timer.cc: New.
8689         * timer.h: New.
8690         * workqueue.cc: include timer.h.
8691         (Workqueue::find_and_run_task):
8692         Report user, sys and wall time.
8693         * Makefile.in: Regenerate.
8694         * config.in: Regenerate.
8695         * configure: Regenerate.
8696
8697 2009-12-16  Doug Kwan  <dougkwan@google.com>
8698
8699         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8700         sections.
8701         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8702         relaxed input sections.
8703         * output.cc (Output_section::find_relaxed_input_section): Change
8704         return type to Output_relaxed_input_section pointer.  Adjust code
8705         for new type of relaxed_input_section_map_.
8706         * output.h (Output_section::find_relaxed_input_section): Change
8707         return type to Output_relaxed_input_section pointer.
8708         (Output_section::Output_relaxed_input_section_by_input_section_map):
8709         New type.
8710         (Output_section::relaxed_input_section_map_): Change type to
8711         Output_section::Output_relaxed_input_section_by_input_section_map.
8712         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8713         input section.
8714
8715 2009-12-15  Ian Lance Taylor  <iant@google.com>
8716
8717         * layout.cc (Layout::create_shstrtab): Only write out after input
8718         sections if we are compressing debug sections.
8719
8720 2009-12-15  Ian Lance Taylor  <iant@google.com>
8721
8722         * archive.cc (Archive::add_symbols): Only look up a symbol without
8723         a version if there is, in fact, a version.
8724
8725 2009-12-14  Ian Lance Taylor  <iant@google.com>
8726
8727         Revert -Wshadow changes, all changes from:
8728         2009-12-11  Doug Kwan  <dougkwan@google.com>
8729         2009-12-11  Nick Clifton  <nickc@redhat.com>
8730         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8731
8732 2009-12-11  Doug Kwan  <dougkwan@google.com>
8733
8734         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8735         due to -Wshadow.
8736         * attributes.cc (Object_attribute::size): Ditto.
8737         (Attributes_section_data::size): Ditto.
8738         (Attributes_section_data::Attributes_section_data): Ditto.
8739         (Output_attributes_section_data::do_write): Ditto.
8740         * attributes.h (Object_attribute::set_type): Ditto.
8741         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8742
8743 2009-12-11  Nick Clifton  <nickc@redhat.com>
8744
8745         * archive.cc: Fix shadowed variable warnings.
8746         * arm.cc: Likewise.
8747         * compressed_output.cc: Likewise.
8748         * compressed_output.h: Likewise.
8749         * configure: Likewise.
8750         * dwarf_reader.cc: Likewise.
8751         * dynobj.cc: Likewise.
8752         * dynobj.h: Likewise.
8753         * ehframe.cc: Likewise.
8754         * ehframe.h: Likewise.
8755         * errors.cc: Likewise.
8756         * expression.cc: Likewise.
8757         * fileread.cc: Likewise.
8758         * fileread.h: Likewise.
8759         * freebsd.h: Likewise.
8760         * i386.cc: Likewise.
8761         * icf.cc: Likewise.
8762         * incremental.h: Likewise.
8763         * layout.cc: Likewise.
8764         * layout.h: Likewise.
8765         * mapfile.cc: Likewise.
8766         * merge.cc: Likewise.
8767         * merge.h: Likewise.
8768         * object.cc: Likewise.
8769         * object.h: Likewise.
8770         * options.h: Likewise.
8771         * output.cc: Likewise.
8772         * output.h: Likewise.
8773         * parameters.cc: Likewise.
8774         * plugin.cc: Likewise.
8775         * powerpc.cc: Likewise.
8776         * reduced_debug_output.cc: Likewise.
8777         * reduced_debug_output.h: Likewise.
8778         * reloc.cc: Likewise.
8779         * reloc.h: Likewise.
8780         * resolve.cc: Likewise.
8781         * script-sections.cc: Likewise.
8782         * script.cc: Likewise.
8783         * script.h: Likewise.
8784         * sparc.cc: Likewise.
8785         * symtab.cc: Likewise.
8786         * symtab.h: Likewise.
8787         * target-select.cc: Likewise.
8788         * target-select.h: Likewise.
8789         * token.h: Likewise.
8790         * workqueue.cc: Likewise.
8791         * workqueue.h: Likewise.
8792         * x86_64.cc: Likewise.
8793
8794 2009-12-10  Doug Kwan  <dougkwan@google.com>
8795
8796         * arm.cc (attributes.h): New include.
8797         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8798         (Arm_relobj::~Arm_relobj): Delete object pointed by
8799         attributes_section_data_.
8800         (Arm_relobj::attributes_section_data): New method definition.
8801         (Arm_relobj::attributes_section_data_): New data member declaration.
8802         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8803         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8804         attributes_section_data_.
8805         (Arm_dynobj::attributes_section_data): New method definition.
8806         (Arm_dynobj::attributes_section_data_): New data member declaration.
8807         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8808         initialization value of may_use_blx_ to false.
8809         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8810         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8811         object attributes to compute results instead of hard-coding.
8812         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8813         Target_arm::get_secondary_compatible_arch,
8814         Target_arm::set_secondary_compatible_arch
8815         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8816         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8817         New method declarations.
8818         (Target_arm::get_aeabi_object_attribute): New method definition.
8819         (Target_arm::attributes_section_data_): New data member declaration.
8820         (read_arm_attributes_section): New template definition.
8821         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8822         (Arm_dynobj::do_read_symbols): Ditto.
8823         (Target_arm::do_finalize_sections): Merge attributes sections from
8824         input.  Check for BLX use after attributes section merging.
8825         Fix __exidx_start and __exidx_end visibility.  Create an
8826         .ARM.attributes section if necessary.
8827         (Target_arm::get_secondary_compatible_arch,
8828         Target_arm::set_secondary_compatible_arch,
8829         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8830         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8831         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8832         New method definitions.
8833
8834 2009-12-09  Ian Lance Taylor  <iant@google.com>
8835
8836         * plugin.cc (Plugin::load): Don't cast from void* to a function
8837         pointer.
8838
8839 2009-12-09  Ian Lance Taylor  <iant@google.com>
8840
8841         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8842         information fields.
8843
8844 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8845
8846         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8847         Replace two_file_shared_1.so with two_file_shared_2.so.
8848         * testsuite/Makefile.in: Regenerated.
8849
8850 2009-12-08  Doug Kwan  <dougkwan@google.com>
8851
8852         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8853         (HFILES): Add attributes.h and int_encoding.h.
8854         * Makefile.in: Regenerate.
8855         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8856         function definitions to int_encoding.cc
8857         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8858         prototypes to int_encoding.h
8859         * reduced_debug_output.cc (int_encoding.h): New include.
8860         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8861         function definitions to int_encoding.cc
8862         (insert_into_vector, read_from_pointer): Move template definitions to
8863         int_encoding.h
8864         * attributes.cc: New file.
8865         * attributes.h: New file.
8866         * int_encoding.cc: New file.
8867         * int_encoding.h: New file.
8868
8869 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8870
8871         PR gold/11055
8872         * incremental-dump.cc (dump_incremental_inputs): New.
8873         (main): Use dump_incremental_inputs.
8874
8875 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8876
8877         PR gold/10893
8878         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8879         checking elfcpp::STT_FUNC.
8880         (Target_i386::Relocate::relocate): Likewise.
8881         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8882
8883         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8884         symbols from shared libraries into normal FUNC symbols.
8885
8886         * symtab.h (Symbol): Add is_func and use it.
8887
8888 2009-12-05  Doug Kwan  <dougkwan@google.com>
8889
8890         * arm.cc (Target_arm::arm_info): Initialize new fields
8891         attributes_section and attributes_vendor.
8892         * i386.cc (Target_i386::i386_info): Same.
8893         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8894         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8895         fields attributes_section and attributes_vendor.
8896         * sparc.cc (Target_sparc::sparc_info): Same.
8897         * target.h (Target::attributes_section, Target::attributes_vendor,
8898         Target::is_attributes_section, Target::attribute_arg_type,
8899         Target::attributes_order): New method definitions.
8900         (Target::Target_info::attributes_section,
8901         Target::Target_info::attributes_vendor): New fields.
8902         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8903         virtual method definitions.
8904         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8905         attributes_section and attributes_vendor.
8906         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8907
8908 2009-12-05  Doug Kwan  <dougkwan@google.com>
8909
8910         * arm.cc: Update comments about interworking and stub generation.
8911         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8912         considered as non-PIC.
8913         (Arm_relocate_functions::base_abs): Fix formatting.
8914         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8915         of function to use GOT entry address instead of offset.
8916         (Target_arm::Scan::global): Issue an error if a symbol would need a
8917         PLT does not get one because it is untyped.  Remove code to create
8918         dynamic symbols for relative branches.
8919         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8920         takes unsigned integer instead of boolean.
8921
8922 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8923
8924         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8925         (two_file_test_LDADD): Likewise.
8926         (common_test_1_LDADD): Likewise.
8927         (exception_test_LDADD) Likewise.
8928         (weak_test_LDADD): Likewise.
8929         (many_sections_test_LDADD): Likewise.
8930         (initpri1_LDADD): Likewise.
8931         (script_test_1_LDADD): Likewise.
8932         (script_test_2_LDADD): Likewise.
8933         (justsyms_LDADD): Likewise.
8934         (binary_test_LDADD): Likewise.
8935         (large_LDADD): Likewise.
8936         * testsuite/Makefile.in: Regenerated.
8937
8938 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8939
8940         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8941         (Symbol_table::override_with_special): Likewise.
8942         (Symbol_table::add_from_object): Likewise.
8943
8944 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8945
8946         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8947         Don't set the data_offset twice.
8948
8949 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8950
8951         * testsuite/Makefile.in: Regenerate.
8952
8953 2009-12-03  Doug Kwan  <dougkwan@google.com>
8954
8955         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8956         (Target_arm::do_finalize_sections): Add parameter for symbol table
8957         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8958         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8959         parameter for symbol table pointer.
8960         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8961         an additional parameter for a pointer to symbol table.
8962         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8963         parameter for a symbol table pointer.
8964         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8965         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8966         Ditto.
8967         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8968         parameter for a symbol table pointer.
8969
8970 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8971
8972         * incremental.cc (Incremental_inputs_header)
8973         (Incremental_inputs_header_write, Incremental_inputs_entry)
8974         (Incremental_inputs_entry_write): Move ...
8975         * incremental.h (Incremental_inputs_header)
8976         (Incremental_inputs_header_write, Incremental_inputs_entry)
8977         (Incremental_inputs_entry_write): here.
8978
8979 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8980
8981         * incremental.cc (make_sized_incremental_binary): Set the target.
8982         Error if it is incompatible.
8983         * output.h (Output_file): Add filename method.
8984
8985 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8986
8987         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8988         from the get_* methods.
8989
8990 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8991
8992         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8993         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8994         Write 0 for the data_offset of scripts.
8995
8996 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8997
8998         * testsuite/Makefile.am: Add the incremental_test.sh test.
8999         * testsuite/incremental_test.sh: New.
9000         * testsuite/incremental_test_1.c: New.
9001         * testsuite/incremental_test_2.c: New.
9002
9003 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9004
9005         * incremental-dump.cc (main): Fix typos.
9006
9007 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9008
9009         PR gold/11025
9010         * incremental-dump.cc (main): Use llu to print 64 bit values.
9011
9012 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9013             H.J. Lu  <hongjiu.lu@intel.com>
9014
9015         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9016         $(LIBDL).
9017         (incremental_dump_LDADD): Likewise.
9018         * Makefile.in: Regenerated.
9019
9020 2009-11-25  Doug Kwan  <dougkwan@google.com>
9021
9022         Revert:
9023
9024         2009-11-25  Doug Kwan  <dougkwan@google.com>
9025
9026                 * arm.cc (Target_arm::Target_arm): Move method definition
9027                 outside of class definition.  Add code to handle
9028                 --target1-rel, --target1-abs and --target2= options.
9029                 (Target_arm::get_reloc_reloc_type): Change method to be
9030                 non-static and const.
9031                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9032                 New data member declaration.
9033                 (Target_arm::Scan::local, Target_arm::Scan::global,
9034                 Target_arm::Relocate::relocate,
9035                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9036                 Adjust call to Target_arm::get_real_reloc_type.
9037                 (Target_arm::get_real_reloc_type): Use command line options
9038                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9039                 * options.h (--target1-rel, --target1-abs, --target2): New
9040                 ARM-only options.
9041
9042 2009-11-25  Doug Kwan  <dougkwan@google.com>
9043
9044         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9045         class definition.  Add code to handle --target1-rel, --target1-abs
9046         and --target2= options.
9047         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9048         and const.
9049         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9050         member declaration.
9051         (Target_arm::Scan::local, Target_arm::Scan::global,
9052         Target_arm::Relocate::relocate,
9053         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9054         call to Target_arm::get_real_reloc_type.
9055         (Target_arm::get_real_reloc_type): Use command line options to
9056         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9057         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9058         options.
9059
9060 2009-11-25  Doug Kwan  <dougkwan@google.com>
9061
9062         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9063         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9064         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9065         formatting.
9066         (Arm_relocate_functions::thm_call): Replace body with a call to
9067         Arm_relocate_functions::thumb_branch_common.
9068         (Arm_relocate_functions::thm_jump24,
9069         Arm_relocate_functions::thm_xpc22): New method definitions.
9070         (Arm_relocate_functions::thumb_branch_common): New method definition.
9071         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9072         operator.
9073         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9074         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9075
9076 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9077
9078         * Makefile.am: Build incremental-dump
9079         * Makefile.in: Regenerate.
9080         * incremental-dump.cc: New.
9081         * incremental.cc (Incremental_inputs_header_data,
9082         Incremental_inputs_entry_data): Move to incremental.h
9083         * incremental.h: (Incremental_inputs_header_data,
9084         Incremental_inputs_entry_data): Move from incremental.cc
9085
9086 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9087
9088         * incremental.cc (Incremental_inputs_header,
9089         Incremental_inputs_header_write, Incremental_inputs_entry,
9090         Incremental_inputs_entry_write): Add a typedef with the data type.
9091
9092 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9093
9094         * incremental.cc (Incremental_inputs_header,
9095         Incremental_inputs_header_write, Incremental_inputs_entry,
9096         Incremental_inputs_entry_write): Update comment about which
9097         type has the filed descriptions.
9098
9099 2009-11-15  Doug Kwan  <dougkwan@google.com>
9100
9101         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9102         (Arm_relocate_functions::arm_branch_common): Change method defintion
9103         in class definition to a method declaration and update list of formal
9104         parameters.
9105         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9106         Arm_relocation_functions::jump24): Adjust call to
9107         Arm_relocate_functions::arm_branch_common.  Update list of formal
9108         parameters.
9109         (Arm_relocate_functions::xpc25): New method definition.
9110         (Arm_relocate_functions::arm_branch_common): Move method defintion
9111         out from class definition.  Use stubs for mode-switching and extending
9112         branch ranges.
9113         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9114         specially.  Change code to enable use of stubs in ARM branches.
9115
9116 2009-11-10  Doug Kwan  <dougkwan@google.com>
9117
9118         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9119         in method declaration.
9120         (Target_arm::relocate_stub): New method declaration.
9121         (Target_arm::default_target): Change to return a pointer instead of
9122         a const reference.
9123         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9124         Target_arm::default_target.
9125         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9126         method definition.
9127         (Target_arm::relocate_section): Adjust view.
9128         (Target_arm::relocate_stub): New method definition.
9129
9130 2009-11-10  Doug Kwan  <dougkwan@google.com>
9131
9132         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9133         a format warning.
9134         * incremental.cc (open_incremental_binary): Initialized local
9135         variables to avoid warnings.
9136         * object.cc (make_elf_object): Ditto.
9137         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9138         a format warning.
9139
9140 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9141
9142         PR gold/10930
9143         * testsuite/plugin_test.c: Include "config.h".
9144
9145 2009-11-09  Doug Kwan  <dougkwan@google.com>
9146
9147         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9148         (arm_symbol_value): Remove.
9149         (Arm_relocate_functions::arm_branch_common,
9150         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9151         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9152         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9153         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9154         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9155         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9156         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9157         Arm_relocate_functions::thm_mobw_abs_nc,
9158         Arm_relocate_functions::thm_mov_abs,
9159         Arm_relocate_functions::movw_prel_nc,
9160         Arm_relocate_functions::thm_movt_abs,
9161         Arm_relocate_functions::movt_prel,
9162         Arm_relocate_functions::thm_movw_prel_nc,
9163         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9164         (Target_arm::Relocate::relocate): Only decompose address into two
9165         parts if relocation type uses the thumb-bit and pass the actual
9166         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9167         calls to methods in Arm_relocate_functions for this change.
9168
9169 2009-11-08  Ian Lance Taylor  <iant@google.com>
9170
9171         PR 10925
9172         * reloc.cc: Instantiate
9173         Sized_relobj::initialize_input_to_output_maps and
9174         Sized_relobj:free_input_to_output_maps.
9175
9176 2009-11-06  Ian Lance Taylor  <iant@google.com>
9177
9178         PR 10876
9179         * defstd.cc (in_segment): Set only_if_ref true for "end".
9180
9181 2009-11-06  Doug Kwan  <dougkwan@google.com>
9182
9183         * arm.cc (class Reloc_stub): Correct a comment.
9184         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9185         (Target_arm::scan_section_for_stubs): New method declaration.
9186         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9187         Change methods from private to protected.
9188         (Target_arm::do_may_relax): New method definition.
9189         (Target_arm::do_relax, Target_arm::group_sections,
9190         Target_arm::scan_reloc_for_stub,
9191         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9192         (Target_arm::arm_input_section_map_): New data member declaration.
9193         (Target_arm::scan_reloc_for_stub,
9194         Target_arm::scan_reloc_section_for_stubs,
9195         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9196         Target_arm::do_relax): New method definitions.
9197
9198 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9199
9200         * configure.ac: Check for (struct stat)::st_mtim
9201         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9202         * config.in: Regenerate.
9203         * configure: Regenerate.
9204
9205 2009-11-05  Ian Lance Taylor  <iant@google.com>
9206
9207         PR 10910
9208         * output.cc (Output_segment::add_output_section): Add missing
9209         return statement.
9210
9211 2009-11-04  Ian Lance Taylor  <iant@google.com>
9212
9213         PR 10880
9214         * object.h (class Object): Add is_needed and set_is_needed
9215         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9216         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9217         defined in a dynamic object and referenced by a regular object,
9218         set is_needed for the dynamic object.
9219         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9220         if the file is marked with as_needed and it is not needed.
9221
9222 2009-11-04  Ian Lance Taylor  <iant@google.com>
9223
9224         PR 10887
9225         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9226         tags if data is discarded by linker script.
9227         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9228         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9229         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9230         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9231
9232 2009-11-04  Ian Lance Taylor  <iant@google.com>
9233
9234         * layout.cc (Layout::get_output_section): Add is_interp and
9235         is_dynamic_linker_section parameters.  Change all callers.
9236         (Layout::choose_output_section): Likewise.
9237         (Layout::make_output_section): Likewise.
9238         (Layout::add_output_section_data): Add is_dynamic_linker_section
9239         parameter.  Change all callers.
9240         * layout.h (class Layout): Update declarations.
9241         * output.h (class Output_section): Add is_interp, set_is_interp,
9242         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9243         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9244         generate_code_fills_at_write_ to a bitfield.
9245         * output.cc (Output_section::Output_sections): Initialize new
9246         fields.
9247         (Output_segment::add_output_section): Add do_sort parameter.
9248         Change all callers.
9249
9250 2009-11-03  Ian Lance Taylor  <iant@google.com>
9251
9252         PR 10860
9253         * options.h (class General_options): Add --warn-common.
9254         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9255         merging two common symbols.
9256         (Symbol_table::should_override): Handle --warn-common when merging
9257         a common symbol with a defined symbol.  Use report_resolve_problem
9258         for multiple definitions.
9259         (Symbol_table::report_resolve_problem): New function.
9260         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9261
9262 2009-11-03  Doug Kwan  <dougkwan@google.com>
9263
9264         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9265         stub_factory_.
9266         (Target_arm::stub_factory): New method definition.
9267         (Target_arm::new_arm_input_section,
9268         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9269         Target_arm::reloc_uses_thumb_bit): New method declarations.
9270         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9271         New type definitions.
9272         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9273         member declarations.
9274         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9275         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9276         New method definitions.
9277
9278 2009-11-03  Ian Lance Taylor  <iant@google.com>
9279
9280         * options.h (class General_options): Add --warn_constructors.
9281
9282 2009-11-03  Ian Lance Taylor  <iant@google.com>
9283
9284         PR 10893
9285         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9286         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9287
9288 2009-11-03  Ian Lance Taylor  <iant@google.com>
9289
9290         PR 10895
9291         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9292         --msgid-bugs-address.
9293         (install-pdf): New target.
9294         (install-data_yes): Look up one directory to find mkinstalldirs.
9295
9296 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9297
9298         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9299         tree.
9300
9301 2009-10-30  Doug Kwan  <dougkwan@google.com>
9302
9303         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9304
9305 2009-10-30  Doug Kwan  <dougkwan@google.com>
9306
9307         * arm.cc (Stub_addend_reader): New struct template definition
9308         and partial specializations.
9309         (Stub_addend_reader::operator()): New method definition for a
9310         partially specialized template.
9311
9312 2009-10-30  Doug Kwan  <dougkwan@google.com>
9313
9314         * arm.cc (Arm_relobj::processor_specific_flags): New method
9315         definition.
9316         (Arm_relobj::do_read_symbols): New method declaration.
9317         (Arm_relobj::processor_specific_flags_): New data member declaration.
9318         (Arm_dynobj): New class definition.
9319         (Target_arm::do_finalize_sections): Add input_objects parameter.
9320         (Target_arm::do_adjust_elf_header): New method declaration.
9321         (Target_arm::are_eabi_versions_compatible,
9322         (Target_arm::merge_processor_specific_flags): New method declaration.
9323         (Target_arm::do_make_elf_object): New overloaded method definitions
9324         and declaration.
9325         (Arm_relobj::do_read_symbols): New method definition.
9326         (Arm_dynobj::do_read_symbols): Ditto.
9327         (Target_arm::do_finalize_sections): Add input_objects parameters.
9328         Merge processor-specific flags from all input objects.
9329         (Target_arm::are_eabi_versions_compatible,
9330         Target_arm::merge_processor_specific_flags,
9331         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9332         New method definitions.
9333         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9334         Input_objects pointer type parameter.
9335         * layout.cc (Layout::finalize): Pass input objects to target's.
9336         finalize_sections function.
9337         * output.cc (Output_file_header::do_sized_write): Set ELF file
9338         header's processor-specific flags.
9339         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9340         Input_objects pointer type parameter.
9341         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9342         * target.h (Input_objects): New forward class declaration.
9343         (Target::processor_specific_flags,
9344         Target::are_processor_specific_flags_sect): New method definitions.
9345         (Target::finalize_sections): Add input_objects parameter.
9346         (Target::Target): Initialize processor_specific_flags_ and
9347         are_processor_specific_flags_set_.
9348         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9349         parameter.
9350         (Target::set_processor_specific_flags): New method definition.
9351         (Target::processor_specific_flags_,
9352         Target::are_processor_specific_flags_set_): New data member
9353         declarations.
9354         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9355         Input_objects pointer type parameter.
9356
9357 2009-10-30  Doug Kwan  <dougkwan@google.com>
9358
9359         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9360
9361 2009-10-28  Ian Lance Taylor  <iant@google.com>
9362
9363         * object.h (class Relobj): Drop options parameter from
9364         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9365         do_scan_relocs, do_relocate.  Change all callers.
9366         (class Sized_relobj): Drop options parameters from
9367         do_gc_process_relocs, do_scan_relocs, do_relocate,
9368         do_relocate_sections, relocate_sections, emit_relocs_scan,
9369         emit_relocs_scan_reltype.  Change all callers.
9370         (struct Relocate_info): Remove options field and all references to
9371         it.
9372         * reloc.h (class Read_relocs): Remove options constructor
9373         parameter and options_ field.  Change all callers.
9374         (class Gc_process_relocs, class Scan_relocs): Likewise.
9375         (class Relocate_task): Likewise.
9376         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9377         all callers.
9378         (scan_relocatable_relocs): Likewise.
9379         * target.h (class Sized_target): Remove options parameter from
9380         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9381         all callers.
9382         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9383         callers.
9384         * arm.cc: Update functions to remove options parameters.
9385         * i386.cc: Likewise.
9386         * powerpc.cc: Likewise.
9387         * sparc.cc: Likewise.
9388         * x86_64.cc: Likewise.
9389         * testsuite/testfile.cc: Likewise.
9390
9391 2009-10-28  Doug Kwan  <dougkwan@google.com>
9392
9393         * arm.cc (Arm_relobj): New class definition.
9394         (Arm_relobj::scan_sections_for_stubs,
9395         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9396         New method definitions.
9397
9398 2009-10-28  Cary Coutant  <ccoutant@google.com>
9399
9400         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9401         (Plugin::cleanup_done_): New member.
9402         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9403         (Plugin_manager::cleanup_done_): Remove.
9404         (Plugin_manager::add_input_file): Edit error message.
9405         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9406         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9407
9408 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9409
9410         * fileread.cc: (File_read::View::~View): Use the new
9411         data_ownership_ filed.
9412         (File_read::~File_read): Dispose the new whole_file_view_.
9413         (File_read::open): Mmap the whole file if needed.
9414         (File_read::open): Use whole_file_view_ instead of contents_.
9415         (File_read::find_view): Use whole_file_view_ if applicable.
9416         (File_read::do_read): Use whole_file_view_ instead of contents_.
9417         (File_read::make_view): Use whole_file_view_ instead of contents_,
9418         update File_read::View::View call.
9419         (File_read::find_or_make_view): Update File_read::View::View
9420         call.
9421         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9422         remove contents_
9423         (File_read::View::Data_ownership): New enum.
9424         (File_read::View::View): Replace bool mapped_ with Data_ownership
9425         argument.
9426         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9427         (File_read::View::data_ownership_): New field.
9428         (File_read::contents_): Remove (replaced by whole_file_view_).
9429         (File_read::whole_file_view_): New field.
9430         * options.h (class General_options): Add --keep-files-mapped.
9431
9432 2009-10-27  Cary Coutant  <ccoutant@google.com>
9433
9434         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9435         * testsuite/Makefile.am (plugin_test_5): New test case.
9436         * testsuite/Makefile.in: Regenerate.
9437
9438 2009-10-25  Doug Kwan  <dougkwan@google.com>
9439
9440         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9441         from private to protected to allow access by child class.
9442         (Sized_relobj::do_relocate_sections): New method declaration.
9443         (Sized_relobj::relocate_sections): Virtualize.
9444         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9445         Sized_relobj::relocate_sections.  Instantiate template explicitly
9446         for different target sizes and endianity.
9447
9448 2009-10-24  Doug Kwan  <dougkwan@google.com>
9449
9450         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9451         (Arm_input_section::as_arm_input_section): New method.
9452         (Arm_output_section): New class definition.
9453         (Arm_output_section::create_stub_group,
9454         Arm_output_section::group_sections): New method definitions.
9455
9456 2009-10-22  Doug Kwan  <dougkwan@google.com>
9457
9458         * arm.cc (Arm_input_section): New class definition.
9459         (Arm_input_section::init, Arm_input_section:do_write,
9460         Arm_input_section::set_final_data_size,
9461         Arm_input_section::do_reset_address_and_file_offset): New method
9462         definitions.
9463
9464 2009-10-21  Doug Kwan  <dougkwan@google.com>
9465
9466         * arm.cc (Stub_table, Arm_input_section): New forward class
9467         declarations.
9468         (Stub_table): New class defintion.
9469         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9470         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9471         New method definition.
9472
9473 2009-10-21  Doug Kwan  <dougkwan@google.com>
9474
9475         * arm.cc: Update copyright comments.
9476         (Target_arm): New forward class template declaration.
9477         (Arm_address): New type.
9478         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9479         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9480         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9481         constants.
9482         (Insn_template): Same.
9483         (DEF_STUBS): New macro.
9484         (Stub_type): New enum type.
9485         (Stub_template): New class definition.
9486         (Stub): Same.
9487         (Reloc_stub): Same.
9488         (Stub_factory): Same.
9489         (Target_arm::Target_arm): Initialize may_use_blx_ and
9490         should_force_pic_veneer_.
9491         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9492         Target_arm::should_force_pic_veneer,
9493         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9494         Target_arm::using_thumb_only, Target_arm:;default_target): New
9495         method defintions.
9496         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9497         New data member declarations.
9498         (Insn_template::size, Insn_template::alignment): New method defintions.
9499         (Stub_template::Stub_template): New method definition.
9500         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9501         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9502         (Stub_factory::Stub_factory): New method definition.
9503         * gold.h (string_hash): New template.
9504         * output.h (Input_section_specifier::hash_value): Use
9505         gold::string_hash.
9506         (Input_section_specifier::string_hash): Remove.
9507         * stringpool.cc (Stringpool_template::string_hash): Use
9508         gold::string_hash.
9509
9510 2009-10-20  Doug Kwan  <dougkwan@google.com>
9511
9512         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9513         symbols of relaxed input sections.
9514         * output.h (Output_section::find_relaxed_input_section): Make
9515         method public.
9516
9517 2009-10-16  Doug Kwan  <dougkwan@google.com>
9518
9519         * dynobj.cc (Versions::Versions): Initialize version_script_.
9520         Only insert base version symbol definition for a shared object
9521         if version script defines any version versions.
9522         (Versions::define_base_version): New method definition.
9523         (Versions::add_def): Check that base version is not needed.
9524         (Versions::add_need): Define base version lazily.
9525         * dynobj.h (Versions::define_base_version): New method declaration.
9526         (Versions::needs_base_version_): New data member declaration.
9527         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9528         (check_DATA): Add no_version_test.stdout.
9529         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9530         New make rules.
9531         * testsuite/Makefile.in: Regenerate.
9532         * testsuite/no_version_test.c: New file.
9533         * testsuite/no_version_test.sh: Ditto.
9534
9535 2009-10-16  Doug Kwan  <dougkwan@google.com>
9536
9537         * expression.cc (class Segment_start_expression): New class definition.
9538         (Segment_start_expression::value): New method definition.
9539         (script_exp_function_segment_start): Return a new
9540         Segment_start_expression.
9541         * gold/script-c.h (script_saw_segment_start_expression): New function
9542         prototype.
9543         * script-sections.cc (Script_sections::Script_sections): Initialize
9544         SAW_SEGMENT_START_EXPRESSION_ to false.
9545         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9546         and -Tbbs options to specify section addresses if given in
9547         command line and no SEGMENT_START expression is seen in a script.
9548         * script-sections.h (Script_sections::saw_segment_start_expression,
9549         Script_sections::set_saw_segment_start_expression): New method
9550         definition.
9551         (Script_sections::saw_segment_start_expression_): New data member
9552         declaration.
9553         * script.cc (script_saw_segment_start_expression): New function.
9554         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9555         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9556         script_test_7.sh and script_test_8.sh.
9557         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9558         script_test_8.stdout.
9559         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9560         (script_test_6, script_test_6.stdout, script_test_7,
9561         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9562         * Makefile.in: Regenerate.
9563         * testsuite/script_test_6.sh: New file.
9564         * testsuite/script_test_6.t: Same.
9565         * testsuite/script_test_7.sh: Same.
9566         * testsuite/script_test_7.t: Same.
9567         * testsuite/script_test_8.sh: Same.
9568
9569 2009-10-16  Doug Kwan  <dougkwan@google.com>
9570
9571         * output.cc (Output_segment::set_section_list_address): Cast
9572         expressions to unsigned long long type to avoid format warnings.
9573
9574 2009-10-15  Ian Lance Taylor  <iant@google.com>
9575
9576         * script.cc (Script_options::add_symbol_assignment): Always add a
9577         dot assignment to script_sections_.
9578         * script-sections.cc (Script_sections::add_dot_assignment):
9579         Initialize if necessary.
9580
9581         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9582         program headers with no load segment if there is a linker script.
9583
9584         * layout.cc (Layout::set_segment_offsets): Align the file offset
9585         to the segment aligment for -N or -n with no load segment.
9586         * output.cc (Output_segment::add_output_section): Don't crash if
9587         the first section is a TLS section.
9588         (Output_segment::set_section_list_addresses): Print an error
9589         message if the address moves backward in a linker script.
9590         * script-sections.cc
9591         (Output_section_element_input::set_section_addresses): Don't
9592         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9593         (Orphan_output_section::set_section_addresses): Likewise.
9594
9595 2009-10-15  Doug Kwan  <dougkwan@google.com>
9596
9597         * layout.cc (Layout::finish_dynamic_section): Generate tags
9598         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9599         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9600         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9601
9602 2009-10-14  Ian Lance Taylor  <iant@google.com>
9603
9604         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9605         fields.
9606         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9607         data_shdr fields of relinfo.
9608         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9609         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9610         R_386_TLS_LDO_32, adjust based on section flags.
9611         (Target_i386::Relocate::fix_up_ldo): Remove.
9612
9613 2009-10-13  Ian Lance Taylor  <iant@google.com>
9614
9615         Add support for -pie.
9616         * options.h (class General_options): Add -pie and
9617         --pic-executable.
9618         (General_options::output_is_position_independent): Test -pie.
9619         (General_options::output_is_executable): Return true if not shared
9620         and not relocatable.
9621         (General_options::output_is_pie): Remove.
9622         * options.cc (General_options::finalize): Reject incompatible uses
9623         of -pie.
9624         * gold.cc (queue_middle_tasks): A -pie link is not static.
9625         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9626         * symtab.cc (Symbol::final_value_is_known): Return false if
9627         output_is_position_independent.
9628         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9629         output_is_position_independent.
9630         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9631         output_is_position_independent.
9632         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9633         output_is_position_independent.
9634         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9635         two_file_pie_test.
9636         (basic_pie_test.o, basic_pie_test): New targets.
9637         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9638         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9639         (two_file_pie_test): New target.
9640         * testsuite/Makefile.in: Rebuild.
9641         * README: Remove note saying that -pie is not supported.
9642
9643 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9644
9645         * options.h (class General_options): Add -init and -fini.
9646         * layout.cc (Layout::finish_dynamic_section): Emit
9647         given init and fini functions.
9648
9649 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9650
9651         * gc.h (gc_process_relocs): Check if icf is enabled using new
9652         function.
9653         * gold.cc (queue_initial_tasks): Likewise.
9654         (queue_middle_tasks): Likewise.
9655         * object.cc (do_layout): Likewise.
9656         * symtab.cc (is_section_folded): Likewise.
9657         * main.cc (main): Likewise.
9658         * reloc.cc (Read_relocs::run): Likewise.
9659         (Sized_relobj::do_scan_relocs): Likewise.
9660         * icf.cc (is_function_ctor_or_dtor): New function.
9661         (Icf::find_identical_sections): Check if function is ctor or dtor when
9662         safe icf is chosen.
9663         * options.h (General_options::icf): Change option to be an enum.
9664         (Icf_status): New enum.
9665         (icf_enabled): New method.
9666         (icf_safe_folding): New method.
9667         (set_icf_status): New method.
9668         (icf_status_): New variable.
9669         * (options.cc) (General_options::finalize): Set icf_status_.
9670         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9671         icf_test and icf_keep_unique_test to use the --icf enum flag.
9672         * testsuite/icf_safe_test.sh: New file.
9673         * testsuite/icf_safe_test.cc: New file.
9674
9675 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9676
9677         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9678         includes to gc.h and icf.h.
9679         * arm.cc: Include gc.h.
9680         * gold.cc: Likewise.
9681         * i386.cc: Likewise.
9682         * powerpc.cc: Likewise.
9683         * sparc.cc: Likewise.
9684         * x86_64.cc: Likewise.
9685         * gc.h: Include icf.h.
9686
9687 2009-10-11  Ian Lance Taylor  <iant@google.com>
9688
9689         * plugin.cc: Include "gold.h" before other header files.
9690
9691 2009-10-10  Chris Demetriou  <cgd@google.com>
9692
9693         * options.h (Input_file_argument::Input_file_type): New enum.
9694         (Input_file_argument::is_lib_): Replace with...
9695         (Input_file_argument::type_): New member.
9696         (Input_file_argument::Input_file_argument): Take Input_file_type
9697         'type' rather than boolean 'is_lib' as second argument.
9698         (Input_file_argument::is_lib): Use type_.
9699         (Input_file_argument::is_searched_file): New function.
9700         (Input_file_argument::may_need_search): Handle is_searched_file.
9701         * options.cc (General_options::parse_library): Support -l:filename.
9702         (General_options::parse_just_symbols): Update for Input_file_argument
9703         changes.
9704         (Command_line::process): Likewise.
9705         * archive.cc (Archive::get_file_and_offset): Likewise.
9706         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9707         * script.cc (read_script_file, script_add_file): Likewise.
9708         * fileread.cc (Input_file::Input_file): Likewise.
9709         (Input_file::will_search_for): Handle is_searched_file.
9710         (Input_file::open): Likewise.
9711         * readsyms.cc (Read_symbols::get_name): Likewise.
9712         * testsuite/Makefile.am (searched_file_test): New test.
9713         * testsuite/Makefile.in: Regenerate.
9714         * testsuite/searched_file_test.cc: New file.
9715         * testsuite/searched_file_test_lib.cc: New file.
9716
9717 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9718             Ian Lance Taylor  <iant@google.com>
9719
9720         * descriptor.cc: Include <cstdio> and "binary-io.h".
9721         (Descriptors::open): Open the files in binary mode always.
9722         * script.cc (Lex::get_token): Treat \r as whitespace.
9723
9724 2009-10-09  Ian Lance Taylor  <iant@google.com>
9725
9726         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9727
9728 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9729             Ian Lance Taylor  <iant@google.com>
9730
9731         * configure.ac: Check for readv function also.
9732         * fileread.cc (readv): Define if not HAVE_READV.
9733         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9734         does not exist.
9735         * config.in: Regenerate.
9736         * configure: Regenerate.
9737
9738 2009-10-09  Doug Kwan  <dougkwan@google.com>
9739
9740         * layout.cc (Layout::make_output_section): Call target hook to make
9741         ordinary output section.
9742         (Layout::finalize): Adjust parameter list of call the
9743         Target::may_relax().
9744         * layout.h (class Layout::section_list): New method.
9745         * merge.h (Output_merge_base::entsize): Change visibility to public.
9746         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9747         New methods.
9748         (Output_merge_string::do_is_string): New method.
9749         * object.cc (Sized_relobj::do_setup): renamed from
9750         Sized_relobj::set_up.
9751         * object.h (Sized_relobj::adjust_shndx,
9752         Sized_relobj::initializ_input_to_output_maps,
9753         Sized_relobj::free_input_to_output_maps): Change visibilities to
9754         protected.
9755         (Sized_relobj::setup): Virtualize.
9756         (Sized_relobj::do_setup): New method declaration.
9757         (Sized_relobj::invalidate_section_offset,
9758         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9759         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9760         * options.cc (parse_int): New function.
9761         * options.h (parse_int): New declaration.
9762         (DEFINE_int): New macro.
9763         (stub_group_size): New option.
9764         * output.cc (Output_section::Output_section): Initialize memebers
9765         merge_section_map_, merge_section_by_properties_map_,
9766         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9767         (Output_section::add_input_section): Handled deferred code-fill
9768         generation and remove an old comment.
9769         (Output_section::add_relaxed_input_section): New method definition.
9770         (Output_section::add_merge_input_section): Use merge section by
9771         properties map to speed to search.  Update merge section maps
9772         as appropriate.
9773         (Output_section::build_relaxation_map): New method definition.
9774         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9775         Same.
9776         (Output_section::relax_input_section): Renamed to
9777         Output_section::convert_input_sections_to_relaxed_sections and change
9778         interface to take a vector of pointers to relaxed sections.
9779         (Output_section::find_merge_section,
9780         Output_section::find_relaxed_input_section): New method definitions.
9781         (Output_section::is_input_address_mapped,
9782         Output_section::output_offset, Output_section::output_address):
9783         Use output section data maps to speed up searching.
9784         (Output_section::find_starting_output_address): Add comments.
9785         (Output_section::do_write,
9786         Output_section::write_to_postprocessing_buffer): Do code-fill
9787         generation as appropriate.
9788         (Output_section::get_input_sections): Invalidate relaxed input section
9789         map.
9790         (Output_section::restore_states): Adjust type of checkpoint .
9791         Invalidate relaxed input section map.
9792         * output.h (Output_merge_base): New class declaration.
9793         (Input_section_specifier): New class defintion.
9794         (class Output_relaxed_input_section) Change base class to
9795         Output_section_data_build.
9796         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9797         base class initializer.
9798         (Output_section::add_relaxed_input_section): New method declaration.
9799         (Output_section::Input_section): Change visibility to protected.
9800         (Output_section::Input_section::relobj,
9801         Output_section::Input_section::shndx): Handle relaxed input sections.
9802         Output_section::input_sections) Change visibility to protected.  Also
9803         define overload to return a non-const pointer.
9804         (Output_section::Merge_section_properties): New class defintion.
9805         (Output_section::Merge_section_by_properties_map,
9806         Output_section::Output_section_data_by_input_section_map,
9807         Output_section::Relaxation_map): New types.
9808         (Output_section::relax_input_section): Rename method to
9809         Output_section::convert_input_sections_to_relaxed_sections and change
9810         interface to take a vector of relaxed section pointers.
9811         (Output_section::find_merge_section,
9812         Output_section::find_relaxed_input_section,
9813         Output_section::build_relaxation_map,
9814         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9815         New method declarations.
9816         (Output_section::merge_section_map_
9817         Output_section::merge_section_by_properties_map_,
9818         Output_section::relaxed_input_section_map_,
9819         Output_section::is_relaxed_input_section_map_valid_,
9820         Output_section::generate_code_fills_at_write_): New data members.
9821         * script-sections.cc
9822         (Output_section_element_input::set_section_addresses): Call
9823         current_data_size and addralign methods of relaxed input sections.
9824         (Orphan_output_section::set_section_addresses): Call current_data_size
9825         and addralign methods of relaxed input sections.
9826         * symtab.cc (Symbol_table::compute_final_value): Extract template
9827         from the body of Symbol_table::sized_finalize_symbol.
9828         (Symbol_table::sized_finalized_symbol): Call
9829         Symbol_table::compute_final_value.
9830         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9831         (Symbol_table::compute_final_value): New templated method declaration.
9832         * target.cc (Target::do_make_output_section): New method defintion.
9833         * target.h (Target::make_output_section): New method declaration.
9834         (Target::relax): Add more parameters for input objects, symbol table
9835         and layout.  Adjust call to do_relax.
9836         (Target::do_make_output_section): New method declaration.
9837         (Target::do_relax): Add parameters for input objects, symbol table
9838         and layout.
9839
9840 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9841
9842         * pread.c: Include stdio.h.
9843
9844 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9845
9846         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9847         defined.
9848
9849 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9850
9851         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9852         Change read_shndx type to unsigned int.
9853         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9854         int.
9855         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9856         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9857         Change read_shndx type to unsigned int.
9858         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9859         int.
9860         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9861         * layout.cc (Layout::create_symtab_sections): Cast the result of
9862         local_symcount * symsize to off_t in the gold_assert.
9863
9864 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9865
9866         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9867         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9868         R_ARM_BASE_ABS.
9869         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9870         (Arm_relocate_functions::thm_abs5): New function.
9871         (Arm_relocate_functions::abs12): New function.
9872         (Arm_relocate_functions::abs16): New function.
9873         (Arm_relocate_functions::base_abs): New function.
9874         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9875         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9876         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9877         R_ARM_BASE_ABS.
9878         (Scan::global): Likewise.
9879         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9880         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9881         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9882         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9883         R_ARM_BASE_ABS.
9884
9885 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9886
9887         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9888         (Arm_relocate_functions::movt_prel): New function.
9889         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9890         (Arm_relocate_functions::thm_movt_prel): New function.
9891         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9892         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9893         (Scan::global, Relocate::relocate): Likewise.
9894         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9895
9896 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9897
9898         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9899         Incremental_checker.
9900         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9901         unsigned int.
9902         (class Incremental_inputs_header): New class.
9903         (Incremental_inputs_header_writer): Edit comment.
9904         (Incremental_inputs_entry): New class.
9905         (Incremental_inputs_entry_writer): Edit comment.
9906         (Sized_incremental_binary::do_find_incremental_inputs_section):
9907         Add *strtab_shndx parameter, fill it.
9908         (Sized_incremental_binary::do_check_inputs): New method.
9909         (Incremental_checker::can_incrementally_link_output_file): Use
9910         Sized_incremental_binary::check_inputs.
9911         (Incremental_inputs::report_command_line): Save command line in
9912         command_line_.
9913         * incremental.h:
9914         (Incremental_binary::find_incremental_inputs_section): New
9915         method.
9916         (Incremental_binary::do_find_incremental_inputs_section): Add
9917         strtab_shndx parameter.
9918         (Incremental_binary::do_check_inputs): New pure virtual method.
9919         (Sized_incremental_binary::do_check_inputs): Declare.
9920         (Incremental_checker::Incremental_checker): Add incremental_inputs
9921         parameter, use it to initialize incremental_inputs_.
9922         (Incremental_checker::incremental_inputs_): New field.
9923         (Incremental_checker::command_line): New method.
9924         (Incremental_checker::inputs): New method.
9925         (Incremental_checker::command_line_): New field.
9926
9927 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9928
9929         * incremental.cc: Include <cstdarg> and "target-select.h".
9930         (vexplain_no_incremental): New function.
9931         (explain_no_incremental): New function.
9932         (Incremental_binary::error): New method.
9933         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9934         method.
9935         (make_sized_incremental_binary): New function.
9936         (open_incremental_binary): New function.
9937         (can_incrementally_link_file): Add checks if output is ELF and has
9938         inputs section.
9939         * incremental.h: Include "elfcpp_file.h" and "output.h".
9940         (Incremental_binary): New class.
9941         (Sized_incremental_binary): New class.
9942         (open_incremental_binary): Declare.
9943         * object.cc (is_elf_object): Use
9944         elfcpp::Elf_recognizer::is_elf_file.
9945         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9946         * output.h (Output_file::filesize): New method.
9947
9948 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9949
9950         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9951         New function.
9952         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9953         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9954         function.
9955         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9956         function.
9957         (Arm_relocate_functions::movw_abs_nc): New function.
9958         (Arm_relocate_functions::movt_abs): New function.
9959         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9960         (Arm_relocate_functions::thm_movt_abs): New function.
9961         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9962         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9963         (Scan::global): Likewise.
9964         (Relocate::relocate): Likewise.
9965         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9966
9967 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9968
9969         * arm.cc (Arm_relocate_functions::got_prel) New function.
9970         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9971         (Relocate::relocate): Likewise.
9972         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9973
9974 2009-10-06  Ian Lance Taylor  <iant@google.com>
9975
9976         * options.h (class General_options): Define
9977         split_stack_adjust_size parameter.
9978         * object.h (class Object): Add uses_split_stack_ and
9979         has_no_split_stack_ fields.  Add uses_split_stack and
9980         has_no_split_stack accessor functions.  Declare
9981         handle_split_stack_section.
9982         (class Reloc_symbol_changes): Define.
9983         (class Sized_relobj): Define Function_offsets.  Declare
9984         split_stack_adjust, split_stack_adjust_reltype, and
9985         find_functions.
9986         * object.cc (Object::handle_split_stack_section): New function.
9987         (Sized_relobj::do_layout): Call handle_split_stack_section.
9988         * dynobj.cc (Sized_dynobj::do_layout): Call
9989         handle_split_stack_section.
9990         * reloc.cc (Sized_relobj::relocate_sections): Call
9991         split_stack_adjust for executable sections in split_stack
9992         objects.  Pass reloc_map to relocate_section.
9993         (Sized_relobj::split_stack_adjust): New function.
9994         (Sized_relobj::split_stack_adjust_reltype): New function.
9995         (Sized_relobj::find_functions): New function.
9996         * target-reloc.h: Include "object.h".
9997         (relocate_section): Add reloc_symbol_changes parameter.  Change
9998         all callers.
9999         * target.h (class Target): Add calls_non_split method.  Declare
10000         do_calls_non_split virtual method.  Declare match_view and
10001         set_view_to_nop.
10002         * target.cc: Include "elfcpp.h".
10003         (Target::do_calls_non_split): New function.
10004         (Target::match_view): New function.
10005         (Target::set_view_to_nop): New function.
10006         * gold.cc (queue_middle_tasks): Give an error if mixing
10007         split-stack and non-split-stack objects with -r.
10008         * i386.cc (Target_i386::relocate_section): Add
10009         reloc_symbol_changes parameter.
10010         (Target_i386::do_calls_non_split): New function.
10011         * x86_64.cc (Target_x86_64::relocate_section): Add
10012         reloc_symbol_changes parameter.
10013         (Target_x86_64::do_calls_non_split): New function.
10014         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10015         parameter.
10016         * powerpc.cc (Target_powerpc::relocate_section): Add
10017         reloc_symbol_changes parameter.
10018         * sparc.cc (Target_sparc::relocate_section): Add
10019         reloc_symbol_changes parameter.
10020         * configure.ac: Call AM_CONDITIONAL for the default target.
10021         * configure: Rebuild.
10022         * testsuite/Makefile.am (TEST_AS): New variable.
10023         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10024         (check_DATA): Add split_i386 and split_x86_64 files.
10025         (SPLIT_DEFSYMS): Define.
10026         (split_i386_[1234n].o): New targets.
10027         (split_i386_[124]): New targets.
10028         (split_i386_[1234r].stdout): New targets.
10029         (split_x86_64_[1234n].o): New targets.
10030         (split_x86_64_[124]): New targets.
10031         (split_x86_64_[1234r].stdout): New targets.
10032         (MOSTLYCLEANFILES): Add new executables.
10033         * testsuite/split_i386.sh: New file.
10034         * testsuite/split_x86_64.sh: New file.
10035         * testsuite/split_i386_1.s: New file.
10036         * testsuite/split_i386_2.s: New file.
10037         * testsuite/split_i386_3.s: New file.
10038         * testsuite/split_i386_4.s: New file.
10039         * testsuite/split_i386_n.s: New file.
10040         * testsuite/split_x86_64_1.s: New file.
10041         * testsuite/split_x86_64_2.s: New file.
10042         * testsuite/split_x86_64_3.s: New file.
10043         * testsuite/split_x86_64_4.s: New file.
10044         * testsuite/split_x86_64_n.s: New file.
10045         * testsuite/testfile.cc (Target_test): Update relocation_section
10046         function.
10047         * testsuite/Makefile.in: Rebuild.
10048
10049 2009-10-06  Ian Lance Taylor  <iant@google.com>
10050
10051         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10052         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10053         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10054         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10055         the address on ldo_addrs_.
10056         (Target_i386::Relocate::fix_up_ldo): New function.
10057
10058 2009-10-06   Rafael Espindola  <espindola@google.com>
10059
10060         * plugin.cc (add_input_library): New.
10061         (Plugin::load): Add add_input_library to tv.
10062         (Plugin_manager::add_input_file): Add the is_lib argument.
10063         (add_input_file): Update call to Plugin_manager::add_input_file.
10064         (add_input_library): New.
10065         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10066
10067 2009-09-30  Doug Kwan  <dougkwan@google.com>
10068
10069         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10070         symbol and call Symbol::may_need_copy_reloc to determine if
10071         a copy reloc is needed.
10072         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10073         nocopyreloc is given in command line.
10074         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10075         given in command line.
10076         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10077         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10078         of the removed Target_i386::may_need_copy_reloc.
10079         * options.h (copyreloc): New option with default value false.
10080         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10081         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10082         instead of the removed Target_powerpc::may_need_copy_reloc.
10083         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10084         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10085         instead of the removed Target_sparc::may_need_copy_reloc.
10086         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10087         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10088         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10089         instead of the removed Target_x86_64::may_need_copy_reloc.
10090
10091 2009-09-30  Ian Lance Taylor  <iant@google.com>
10092
10093         * object.h (class Object): Remove target_ field, and target,
10094         sized_target, and set_target methods.
10095         (Object::sized_target): Remove.
10096         (class Sized_relobj): Update declarations.  Remove sized_target.
10097         * object.cc (Sized_relobj::setup): Remove target parameter.
10098         Change all callers.
10099         (Input_objects::add_object): Don't do anything with the target.
10100         (make_elf_sized_object): Add punconfigured parameter.  Change all
10101         callers.  Set or test parameter target.
10102         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10103         Change all callers.
10104         * parameters.cc (Parameters::set_target): Change parameter type to
10105         be non-const.
10106         (Parameters::default_target): Remove.
10107         (set_parameters_target): Change parameter type to be non-const.
10108         (parameters_force_valid_target): New function.
10109         (parameters_clear_target): New function.
10110         * parameters.h (class Parameters): Update declarations.  Remove
10111         default_target method.  Add sized_target and clear_target
10112         methods.  Change target_ to be non-const.
10113         (set_parameters_target): Update declaration.
10114         (parameters_force_valid_target): Declare.
10115         (parameters_clear_target): Declare.
10116         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10117         as NULL if we aren't searching.
10118         (Add_symbols::run): Don't check for compatible target.
10119         * fileread.cc (Input_file::open_binary): Call
10120         parameters_force_valid_target.
10121         * gold.cc (queue_middle_tasks): Likewise.
10122         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10123         set_target on object.
10124         * dynobj.h (class Sized_dynobj): Update declarations.
10125         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10126         make_elf_object returns NULL.
10127         (Archive::include_member): Don't check whether object target is
10128         compatible.
10129         * output.cc (Output_section::add_input_section): Get target from
10130         parameters.
10131         (Output_section::relax_input_section): Likewise.
10132         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10133         parameters.
10134         (Sized_relobj::do_scan_relocs): Likewise.
10135         (Sized_relobj::relocate_sections): Likewise.
10136         * resolve.cc (Symbol_table::resolve): Likewise.
10137         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10138         parameter.  Change all callers.
10139         (Symbol_table::add_from_object): Get target from parameters.
10140         (Symbol_table::add_from_relobj): Don't check object target.
10141         (Symbol_table::add_from_dynobj): Likewise.
10142         (Symbol_table::define_special_symbol): Get target from
10143         parameters.
10144         * symtab.h (class Symbol_table): Update declaration.
10145         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10146         parameter.  Change all callers.  Clear parameter target.
10147         (Binary_test): Test target here.
10148         * testsuite/object_unittest.cc (gold_testsuite): Remove
10149         target_test_pointer parameter.  Change all callers.
10150         (Object_test): Test target here.
10151
10152 2009-09-26  Ian Lance Taylor  <iant@google.com>
10153
10154         * testsuite/initpri1.c: Don't try to use constructor priorities if
10155         compiling with gcc before 4.3.
10156
10157 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10158
10159         * testsuite/retain_symbols_file_test.sh (check_present): Change
10160         output file name to retain_symbols_file_test.stdout.
10161         (check_absent): Likewise.
10162
10163 2009-09-18  Craig Silverstein  <csilvers@google.com>
10164
10165         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10166         * options.cc: Include <cerrno> and <fstream>.
10167         (General_options::finalize): Parse -retain-symbols-file tag.
10168         * options.h: New flag.
10169         (General_options): New method should_retain_symbol, new
10170         variable symbols_to_retain.
10171         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10172         should_retain_symbol map.
10173         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10174         * testsuite/Makefile.in: Regenerate.
10175         * testsuite/retain_symbols_file_test.sh: New file.
10176
10177 2009-09-18  Nick Clifton  <nickc@redhat.com>
10178
10179         * po/es.po: Updated Spanish translation.
10180
10181 2009-09-17  Doug Kwan  <dougkwan@google.com>
10182
10183         * debug.h (DEBUG_RELAXATION): New constant.
10184         (DEBUG_ALL): Add DEBUG_RELAXATION.
10185         (debug_string_to_enum): Add relaxation debug option.
10186         * layout.cc
10187         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10188         Layout::Relaxation_debug_check::read_sections,
10189         Layout::Relaxation_debug_check::read_sections): New method definitions.
10190         (Layout::Layout): Initialize data members
10191         record_output_section_data_from_scrips_,
10192         script_output_section_data_list_ and relaxation_debug_check_.
10193         (Layout::save_segments, Layout::restore_segments,
10194         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10195         Layout::relaxation_loop_body): New method definitions.
10196         (Layout::finalize): Support relaxation.  Move section layout code to
10197         Layout::relaxation_loop_body.
10198         (Layout::set_asection_address_from_script): Move code for orphan
10199         section placement out.
10200         (Layout::place_orphan_sections_in_script): New method definition.
10201         * layout.h (Output_segment_headers, Output_file_header):
10202         New forward class declarations.
10203         (Layout::~Layout): Define.
10204         (Layout::new_output_section_data_from_script): New method definition.
10205         (Layout::place_orphan_sections_in_script): New method declaration.
10206         (Layout::Segment_states): New type declaration.
10207         (Layout::save_segments, Layout::restore_segments,
10208         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10209         Layout::relaxation_loop_body): New method declarations.
10210         (Layout::Output_section_data_list): New type declaration.
10211         (Layout::Relaxation_debug_check): New class definition.
10212         (Layout::record_output_section_data_from_script_,
10213         Layout::script_output_section_data_list_, Layout::segment_states_,
10214         Layout::relaxation_debug_check_): New data members.
10215         * output.cc: (Output_section_headers::do_size): New method definition.
10216         (Output_section_headers::Output_section_headers): Move size
10217         computation to Output_section_headers::do_size.
10218         (Output_segment_headers::do_size): New method definition.
10219         (Output_file_header::Output_file_header): Move size computation to
10220         Output_file_header::do_size and call it.
10221         (Output_file_header::do_size): New method definition.
10222         (Output_data_group::Output_data_group): Adjust call to
10223         Output_section_data.
10224         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10225         (Output_symtab_xindex::do_write): Add array bound check.
10226         (Output_section::Input_section::print_to_mapfile): Handle
10227         RELAXED_INPUT_SECTION_CODE.
10228         (Output_section::Output_section): Initialize data member checkpoint_.
10229         (Output_section::~Output_section): Delete checkpoint object pointed
10230         by checkpoint_.
10231         (Output_section::add_input_section): Always add an Input_section if
10232         relaxing.
10233         (Output_section::add_merge_input_section): Add assert.
10234         (Output_section::relax_input_section): New method definition.
10235         (Output_section::set_final_data_size): Set load address to zero for
10236         an unallocated section.
10237         (Output_section::do_address_and_file_offset_have_reset_values):
10238         New method definition.
10239         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10240         Handle relaxed input section.
10241         (Output_section::sort_attached_input_sections): Checkpoint input
10242         section list lazily.
10243         (Output_section::get_input_sections): Change type of input_sections to
10244         list of Simple_input_section pointers.  Checkpoint input section list
10245         lazily.  Also handle relaxed input sections.
10246         (Output_section::add_input_section_for_script): Take a reference to
10247         a Simple_input_section object instead of Relobj pointer and section
10248         index as parameter.  Handle relaxed input sections.
10249         (Output_section::save_states, Output_section::restore_states): New
10250         method definitions.
10251         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10252         (Output_data::is_data_size_fixed): New method definition.
10253         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10254         if it is fixed.
10255         (Output_data::address_and_file_offset_have_reset_values): New method
10256         definition.
10257         (Output_data::do_address_and_file_offset_have_reset_values): New method
10258         definition.
10259         (Output_data::set_data_size): Check that data size is not fixed.
10260         (Output_data::fix_data_size): New method definition.
10261         (Output_data::is_data_size_fixed_): New data member.
10262         (Output_section_headers::set_final_data_size): New method definition.
10263         (Output_section_headers::do_size): New method declaration.
10264         (Output_segment_headers::set_final_data_size): New method definition.
10265         (Output_segment_headers::do_size): New method declaration.
10266         (Output_file_header::set_final_data_size)::New method definition.
10267         (Output_file_header::do_size)::New method declaration.
10268         (Output_section_data::Output_section_data): Add new parameter
10269         is_data_size_fixed and use it to fix data size.
10270         (Output_data_const::Output_data_const): Adjust call to base class
10271         constructor and fix data size.
10272         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10273         base class constructor and fix data size.
10274         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10275         base class constructor and fix data size.
10276         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10277         class constructor and fix data size.
10278         (Output_data_group::set_final_data_size): New method definition.
10279         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10280         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10281         class constructor and fix data size.
10282         (Output_relaxed_input_section): New class definition.
10283         (Output_section::Simple_input_section): New class definition.
10284         (Output_section::get_input_sections): Adjust parameter list.
10285         (Output_section::add_input_section_for_script): Same.
10286         (Output_section::save_states, Output_section::restore_states,
10287         Output_section::do_address_and_file_offset_have_reset_values,
10288         (Output_section::Input_section::Input_section): Handle
10289         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10290         Output_relaxed_input_section.
10291         (Output_section::Input_section::is_input_section,
10292         Output_section::Input_section::set_output_section): Handle relaxed
10293         input section.
10294         (Output_section::Input_section::is_relaxed_input_section,
10295         Output_section::Input_section::output_section_data,
10296         Output_section::Input_section::relaxed_input_section): New method
10297         definitions.
10298         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10299         value.
10300         (Output_section::Input_section::u1_): Update comments.
10301         (Output_section::Input_section::u2_): Add new union member poris.
10302         (Output_section::Checkpoint_output_section): New classs definition.
10303         (Output_section::relax_input_section): New method declaration.
10304         (Output_section::checkpoint_): New data member.
10305         (Output_segment): Update comments.
10306         (Output_segment::Output_segment): Un-privatize copy constructor.
10307         (Output_segment::operator=): Un-privatize.
10308         * script-sections.cc (Output_section_element::Input_section_list):
10309         Change element type to Output_section::Simple_input_section.
10310         (Output_section_element_dot_assignment::set_section_addresses):
10311         Register output section data for relaxation clean up.
10312         (Output_data_exression::Output_data_expression): Adjust call to base
10313         constructor to fix data size.
10314         (Output_section_element_data::set_section_addresses): Register
10315         Output_data_expression object for relaxation clean up.
10316         (struct Input_section_info): Replace Relobj pointer and section index
10317         pair with Output_section::Simple_input_section and Convert struct to a
10318         class.
10319         (Input_section_sorter::operator()): Adjust access to
10320         Input_section_info data member to use accessors.
10321         (Output_section_element_input::set_section_addresses): Use layout
10322         parameter.  Adjust code to use Output_section::Simple_input_section
10323         and Input_secction_info classes.  Register filler for relaxation
10324         clean up.
10325         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10326         and section index pair with Output_section::Simple_input_section
10327         class.  Adjust code accordingly.
10328         (Phdrs_element::release_segment): New method definition.
10329         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10330         segment list.
10331         (Script_sections::release_segments): New method definition.
10332         * gold/script-sections.h (Script_sections::release_segments): New
10333         method declaration.
10334         * gold/target.h (Target::may_relax, Target::relax,
10335         Target::do_may_relax, Target::do_relax): New method definitions.
10336
10337 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10338
10339         * arm.cc (has_signed_unsigned_overflow): New function.
10340         (Arm_relocate_functions::abs8): New function.
10341         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10342         (Target_arm::Scan::global): Likewise.
10343         (Target_arm::relocate::relocate): Likewise.
10344         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10345         Likewise.
10346
10347 2009-09-16  Cary Coutant  <ccoutant@google.com>
10348
10349         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10350         * testsuite/Makefile.in: Regenerate.
10351
10352 2009-09-11  Nick Clifton  <nickc@redhat.com>
10353
10354         * po/gold.pot: Updated by the Translation project.
10355
10356 2009-09-08  Cary Coutant  <ccoutant@google.com>
10357
10358         * output.cc (Output_file::open): Add execute permission to empty file.
10359         * testsuite/Makefile.am (permission_test): New test.
10360         * testsuite/Makefile.in: Regenerate.
10361
10362 2009-09-02  Ian Lance Taylor  <iant@google.com>
10363
10364         * output.cc (Output_file::resize): Call map_no_anonymous rather
10365         than map.
10366
10367 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10368
10369         * gold.cc: Include "incremental.h".
10370         (queue_initial_tasks): Call Incremental_checker methods.
10371         * incremental.cc: Include "output.h".
10372         (Incremental_checker::can_incrementally_link_output_file): New
10373         method.
10374         * incremental.h (Incremental_checker): New class.
10375
10376         * output.cc (Output_file::open_for_modification): New method.
10377         (Output_file::map_anonymous): Changed return type to bool.  Record
10378         map in base_ field.
10379         (Output_file::map_no_anonymous): New method, broken out of map.
10380         (Output_file::map): Use map_no_anonymous and map_anonymous.
10381         * output.h (class Output_file): Update declarations.
10382
10383 2009-08-24  Cary Coutant  <ccoutant@google.com>
10384
10385         * options.h (Command_line::Pre_options): New class.
10386         (Command_line::pre_options): New member.
10387         * options.cc (gold::options::ready_to_register): New variable.
10388         (One_option::register_option): Do nothing if not registering options.
10389         Assert if same short option registered twice.
10390         (General_options::General_options): Turn off option registration when
10391         done constructing.
10392         (Command_line::Pre_options::Pre_options): New constructor.
10393
10394 2009-08-24  Cary Coutant  <ccoutant@google.com>
10395
10396         * options.h (General_options::no_keep_memory): Remove incorrect
10397         short option.
10398
10399 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10400
10401         * Makefile.am (am__skiplex, am__skipyacc): New.
10402         * Makefile.in: Regenerate.
10403
10404 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10405
10406         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10407         (INCLUDES): ... this.
10408         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10409         (AM_CPPFLAGS): Renamed from ...
10410         (INCLUDE): ... this.
10411         * Makefile.in, testsuite/Makefile.in: Regenerate.
10412
10413         * Makefile.in: Regenerate.
10414         * aclocal.m4: Likewise.
10415         * config.in: Likewise.
10416         * configure: Likewise.
10417         * testsuite/Makefile.in: Likewise.
10418
10419         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10420         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10421         * Makefile.in: Regenerate.
10422         * testsuite/Makefile.in: Regenerate.
10423
10424 2009-08-19  Cary Coutant  <ccoutant@google.com>
10425
10426         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10427         symbols in shared libraries overridden by hidden or internal symbols
10428         in the main program.
10429
10430 2009-08-19  Chris Demetriou  <cgd@google.com>
10431
10432         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10433         checking source file names in error messages.
10434
10435 2009-08-18  Doug Kwan  <dougkwan@google.com>
10436
10437         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10438         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10439         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10440         an elfcpp::Ehdr as parameter.
10441         * object.cc (Object::set_target): Remove the version that looks up
10442         a target and sets it.
10443         (Sized_relobj::setup): Take a Target object instead of
10444         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10445         (make_elf_sized_object): Find target and ask target to
10446         make an ELF object.
10447         * object.h: (Object::set_target): Remove the version that looks up
10448         a target and sets it.
10449         (Sized_relobj::setup): Take a Target object instead of
10450         an elfcpp:Ehdr as parameter.
10451         * target.cc: Include dynobj.h.
10452         (Target::do_make_elf_object_implementation): New.
10453         (Target::do_make_elf_object): New.
10454         * target.h (Target::make_elf_object): New template declaration.
10455         (Target::do_make_elf_object): New method declarations.
10456         (Target::do_make_elf_object_implementation): New template declaration.
10457
10458 2009-08-14  Ian Lance Taylor  <iant@google.com>
10459
10460         * gold.h (FUNCTION_NAME): Define.
10461         (gold_unreachable): Use FUNCTION_NAME.
10462
10463 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10464
10465         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10466         symbol in the --keep-unique list is not found.
10467
10468 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10469
10470         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10471         been maked as --keep-unique.
10472         (Icf::unfold_section): New function.
10473         * icf.h (Icf::unfold_section): New function.
10474         * options.h (General_options::keep_unique): New option.
10475         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10476         * testsuite/Makefile.in: Regenerate.
10477         * testsuite/icf_keep_unique_test.sh: New file.
10478         * testsuite/icf_keep_unique_test.cc: New file.
10479
10480 2009-08-12  Cary Coutant  <ccoutant@google.com>
10481
10482         PR 10471
10483         * resolve.cc (Symbol_table::resolve): Check for references from
10484         dynamic objects to hidden and internal symbols.
10485         * testsuite/Makefile.am (hidden_test.sh): New test.
10486         * testsuite/Makefile.in: Regenerate.
10487         * testsuite/hidden_test.sh: New script.
10488         * testsuite/hidden_test_1.c: New test source.
10489         * testsuite/hidden_test_main.c: New test source.
10490
10491 2009-08-11  Doug Kwan  <dougkwan@google.com>
10492
10493         * arm.cc: Update comments.
10494         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10495         segment to locate the .ARM.exidx section if present.
10496
10497 2009-08-09  Doug Kwan  <dougkwan@google.com>
10498
10499         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10500         patch.
10501
10502 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10503         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10504         compiler warnings.
10505
10506 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10507
10508         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10509         valid tls_segment only for non-debug-section relocations.
10510         * testsuite/Makefile.am: Add gc_tls_test.
10511         * testsuite/Makefile.in: Regenerate.
10512         * testsuite/gc_tls_test.cc: New file.
10513         * testsuite/gc_tls_test.sh: New file.
10514
10515 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10516
10517         * icf.cc: New file.
10518         * icf.h: New file.
10519         * Makefile.am (CCFILES): Add icf.cc.
10520         (HFILES): Add icf.h
10521         * Makefile.in: Regenerate.
10522         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10523         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10524         section, symbol and addend information for the relocs.
10525         * gold.cc (queue_middle_tasks): Call identical code folding.
10526         * gold.h: Add defines for multimap.
10527         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10528         to the call of finalize_local_symbols.
10529         * main.cc (main): Create object of class Icf.
10530         * object.cc (Sized_relobj::do_layout): Allow this function to be
10531         called twice during icf.
10532         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10533         to sections marked as identical by icf.
10534         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10535         when available.
10536         (Sized_relobj::do_section_entsize): New function.
10537         * object.h (Object::section_entsize): New function.
10538         (Object::do_section_entsize): New pure virtual function.
10539         (Relobj::finalize_local_symbols): Add new parameter.
10540         (Relobj::do_section_entsize): New function.
10541         * options.h (General_options::icf): New option.
10542         (General_options::icf_iterations): New option.
10543         (General_options::print_icf_sections): New option.
10544         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10545         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10546         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10547         icf.
10548         * symtab.cc (Symbol_table::is_section_folded): New function.
10549         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10550         to sections marked as identical by icf.
10551         * symtab.h (Symbol_table::set_icf): New function.
10552         (Symbol_table::icf): New function.
10553         (Symbol_table::is_section_folded): New function.
10554         (Symbol_table::icf_): New data member.
10555         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10556         * testsuite/Makefile.am: Add commands to build icf_test.
10557         * testsuite/Makefile.in: Regenerate.
10558         * testsuite/icf_test.sh: New file.
10559         * testsuite/icf_test.cc: New file.
10560
10561 2009-07-24  Chris Demetriou  <cgd@google.com>
10562
10563         * layout.cc (is_compressible_debug_section): Fix incorrect
10564         comment about compressed section names.
10565
10566 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10567
10568         PR 10419
10569         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10570
10571 2009-07-16  Ian Lance Taylor  <iant@google.com>
10572
10573         PR 10400
10574         * layout.h: #include <map>.
10575         (class Kept_section): Change from struct to class.  Add accessors
10576         and setters.  Add section size to Comdat_group mapping.  Change
10577         Comdat_group to std::map.  Add is_comdat_ field.  Add
10578         linkonce_size field in union.
10579         (class Layout): Update declaration of find_or_add_kept_section.
10580         Don't declare find_kept_object.
10581         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10582         parameter.  Add object, shndx, is_comdat, and is_group_name
10583         parameters.  Change all callers.  Adjust for new Kept_section.
10584         (Layout::find_kept_object): Remove.
10585         * object.cc (Sized_relobj::include_section_group): Update use of
10586         Kept_section.  Rename secnum to shndx.  Only record
10587         Kept_comdat_section if sections are the same size.
10588         (Sized_relobj::include_linkonce_section): Update use of
10589         Kept_section.  Only record Kept_comdat_section if sections are the
10590         same size.  Set size of linkonce section.
10591         (Sized_relobj::map_to_kept_section): Update call to
10592         get_kept_comdat_section.
10593         * object.h (class Sized_relobj): Rename fields in
10594         Kept_comdat_section to drop trailing underscores; change object
10595         field to Relobj*.  Change Kept_comdat_section_table to store
10596         struct rather than pointer.
10597         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10598         Add kept_object and kept_shndx parameters.  Change all callers.
10599         (Sized_relobj::get_kept_comdat_section): Change return type to
10600         bool.  Add kept_object and kept_shndx parameters.  Change all
10601         callers.
10602         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10603         Layout::find_or_add_kept_section.
10604
10605 2009-07-09  Ian Lance Taylor  <iant@google.com>
10606
10607         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10608         Reserve space in the hash table.
10609
10610 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10611
10612         * fileread.cc (File_read::get_mtime): New method.
10613         * fileread.h (Timespec): New structure.
10614         (File_read::get_mtime): New method.
10615         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10616         Renamed from timestamp_nsec.
10617         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10618         Elf_Xword.
10619         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10620         timestamp_nsec.
10621         (Incremental_inputs::report_archive): Save mtime; style fix.
10622         (Incremental_inputs::report_obejct): Save mtime; style fix.
10623         (Incremental_inputs::report_script): Save mtime; style fix.
10624         (Incremental_inputs::finalize_inputs): Style fix.
10625         (Incremental_inputs::finalize): Style fix.
10626         (Incremental_inputs::create_input_section_data): Store inputs
10627         mtime.
10628         * incremental.h (Incremental_inputs::report_script): Add mtime
10629         argument.
10630         (Incremental_inputs::Input_info::Input_info): Intialize only one
10631         union member.
10632         (Incremental_inputs::Input_info::archive): Move to nameless
10633         union.
10634         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10635         (Incremental_inputs::Input_info::script): Move to nameless union.
10636         (Incremental_inputs::mtime): New field.
10637         * script.cc (read_input_script): Pass file mtime to
10638         Incremental_input.
10639         * script.h (Script_info::inputs): Style fix.
10640
10641 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10642
10643         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10644         instead of 32.
10645
10646 2009-06-24  Ian Lance Taylor  <iant@google.com>
10647
10648         PR 10156
10649         * layout.cc (Layout::choose_output_section): If we find an
10650         existing section, update the flags.
10651         (Layout::create_notes): New function, broken out of
10652         Layout::finalize.
10653         (Layout::finalize): Don't create note sections.
10654         (Layout::create_note): Don't crash if linker script discards
10655         section.
10656         (Layout::create_gold_note): Likewise.
10657         (Layout::create_build_id): Likewise.  Don't set
10658         after_input_sections on the section.
10659         (Layout::create_executable_stack_info): Remove target parameter.
10660         Change caller.
10661         * layout.h (class Layout): Declare create_notes.  Update
10662         declaration of create_executable_stack_info.
10663         * gold.cc (queue_middle_tasks): Call create_notes.
10664         * output.cc (Output_section::update_flags_for_input_section): Move
10665         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10666         invalid.
10667         * output.h (Output_data::mark_address_invalid): New function.
10668         (class Output_section): Only declare, not define,
10669         update_flags_for_input_section.  Remove set_flags.
10670
10671 2009-06-24  Ian Lance Taylor  <iant@google.com>
10672
10673         * script-sections.cc (Output_section_definition::
10674         set_section_addresses): Rename shadowing local load_address to
10675         laddr.
10676
10677 2009-06-24  Ian Lance Taylor  <iant@google.com>
10678
10679         PR 10244
10680         * reloc.cc (relocate_sections): Skip empty relocation sections.
10681
10682 2009-06-23  Ian Lance Taylor  <iant@google.com>
10683
10684         PR 10156
10685         * layout.cc (Layout::create_note): Use choose_output_section
10686         rather than make_output_section.
10687
10688 2009-06-23  Ian Lance Taylor  <iant@google.com>
10689
10690         PR 10237
10691         * options.cc (General_options::parse_V): Set printed_version_.
10692         (General_options::General_options): Initialize printed_version_.
10693         * options.h (class General_options): Add printed_version_ field.
10694         * gold.cc (queue_initial_tasks): If there are no input files,
10695         don't give a fatal error if we printed the version information.
10696         (queue_middle_tasks): If using -r with a shared object, give a
10697         fatal error rather than an ordinary error.
10698
10699 2009-06-23  Ian Lance Taylor  <iant@google.com>
10700
10701         PR 10219
10702         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10703         (Layout::make_output_section): Set have_stabstr_section_ if we see
10704         a .stab*str section.
10705         (Layout::finalize): Call link_stabs_sections.
10706         (Layout::link_stabs_sections): New file.
10707         * layout.h (class Layout): Add have_stabstr_section_ field.
10708         Declare link_stabs_sections.
10709
10710 2009-06-23  Doug Kwan  <dougkwan@google.com>
10711
10712         * Makefile.am (libgold_a_LIBADD): New.
10713         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10714         * Makefile.in: Regenerate.
10715         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10716         * configure: Regenerate.
10717         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10718         * fileread.cc: Include sys/state.h
10719         * gold.h: Declare memmem and strndup if found missing.
10720         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10721
10722 2009-06-23  Ian Lance Taylor  <iant@google.com>
10723
10724         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10725         * configure: Rebuild.
10726
10727 2009-06-23  Ian Lance Taylor  <iant@google.com>
10728
10729         PR 10147
10730         * object.cc (Object::section_contents): Don't try to get a view if
10731         the section has length zero.
10732         (Object::handle_gnu_warning_section): If the section is empty, use
10733         the name of the section as the warning.
10734
10735 2009-06-23  Ian Lance Taylor  <iant@google.com>
10736
10737         PR 10133
10738         * stringpool.h (class Stringpool_template): Add optimize_ field.
10739         (Stringpool_template::set_optimize): New function.
10740         * stringpool.cc (Stringpool_template::Stringpool_template):
10741         Initialize optimize_ field.
10742         (Stringpool_template::set_string_offsets): Test local optimize
10743         fild rather than parameter.
10744         * layout.cc (Layout::Layout): Call set_optimize on the section
10745         name stringpool.
10746
10747 2009-06-22  Ian Lance Taylor  <iant@google.com>
10748
10749         PR 10030
10750         * yyscript.y: Parse TARGET.
10751         * script.cc (script_set_target): New function.
10752         * script-c.h (script_set_target): Declare.
10753         * options.cc (General_options::string_to_object_format): Rename
10754         from string_to_object_format in anonymous namespace.  Change
10755         callers.
10756         * options.h (class General_options): Declare
10757         string_to_object_format.
10758
10759 2009-06-22  Ian Lance Taylor  <iant@google.com>
10760
10761         * script-sections.cc (Script_sections::create_segments): Don't put
10762         program headers in a PT_LOAD segment if -n or -N.
10763
10764 2009-06-22  Ian Lance Taylor  <iant@google.com>
10765
10766         PR 10141
10767         * options.h (class General_options): Add -z lazy and -z now.  Sort
10768         -z options into alphabetical order.
10769         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10770
10771 2009-06-21  Ian Lance Taylor  <iant@google.com>
10772
10773         * layout.cc (Layout::make_output_section): Call
10774         Target::new_output_section.
10775         (Layout::attach_allocated_section_to_segment): Put large section
10776         sections in a separate load segment with the large segment flag
10777         set.
10778         (Layout::segment_precedes): Sort large data segments after other
10779         load segments.
10780         (align_file_offset): New static function.
10781         (Layout::set_segment_offsets): Use align_file_offset.
10782         * output.h (class Output_section): Add is_small_section_ and
10783         is_large_section_ fields.
10784         (Output_section::is_small_section): New function.
10785         (Output_section::set_is_small_section):  New function.
10786         (Output_section::is_large_section): New function.
10787         (Output_section::set_is_large_section): New function.
10788         (Output_section::is_large_data_section): New function.
10789         (class Output_segment): Add is_large_data_segment_ field.
10790         (Output_segment::is_large_data_segment): New function.
10791         (Output_segment::set_is_large_data_segment): New function.
10792         * output.cc (Output_section::Output_section): Initialize new
10793         fields.
10794         (Output_segment::Output_segment): Likewise.
10795         (Output_segment::add_output_section): Add assertion that large
10796         data sections always go in large data segments.  Force small data
10797         sections to the end of the list of data sections.  Force small BSS
10798         sections to the start of the list of BSS sections.  For large BSS
10799         sections to the end of the list of BSS sections.
10800         * symtab.h (class Symbol): Declare is_common_shndx.
10801         (Symbol::is_defined): Check Symbol::is_common_shndx.
10802         (Symbol::is_common): Likewise.
10803         (class Symbol_table): Define enum Commons_section_type.  Update
10804         declarations.  Add small_commons_ and large_commons_ fields.
10805         * symtab.cc (Symbol::is_common_shndx): New function.
10806         (Symbol_table::Symbol_table): Initialize new fields.
10807         (Symbol_table::add_from_object): Put small and large common
10808         symbols in the right list.
10809         (Symbol_table::sized_finalized_symbol): Check
10810         Symbol::is_common_shndx.
10811         (Symbol_table::sized_write_globals): Likewise.
10812         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10813         common symbol lists.  Don't call do_allocate_commons_list if the
10814         list is empty.
10815         (Symbol_table::do_allocate_commons_list): Remove is_tls
10816         parameter.  Add comons_section_type parameter.  Change all
10817         callers.  Handle small and large common symbols.
10818         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10819         Symbol::is_common_shndx.
10820         * resolve.cc (symbol_to_bits): Likewise.
10821         * target.h (Target::small_common_shndx): New function.
10822         (Target::small_common_section_flags): New function.
10823         (Target::large_common_shndx): New function.
10824         (Target::large_common_section_flags): New function.
10825         (Target::new_output_section): New function.
10826         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10827         small_common_section_flags, and large_common_section_flags
10828         fields.
10829         (Target::do_new_output_section): New virtual function.
10830         * arm.cc (Target_arm::arm_info): Initialize new fields.
10831         * i386.cc (Target_i386::i386_info): Likewise.
10832         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10833         Likewise.
10834         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10835         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10836         (Target_x86_64::do_new_output_section): New function.
10837         * configure.ac: Define conditional MCMODEL_MEDIUM.
10838         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10839         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10840         (large_LDFLAGS): Define.
10841         * testsuite/large.c: New file.
10842         * testsuite/testfile.cc (Target_test::test_target_info):
10843         Initialize new fields.
10844         * configure, testsuite/Makefile.in: Rebuild.
10845
10846 2009-06-05  Doug Kwan  <dougkwan@google.com>
10847
10848         * Makefile.am (CCFILES): Add target.cc.
10849         * Makefile.in: Regenerate.
10850         * i386.cc (class Target_i386): Define new virtual method to
10851         override do_is_local_label_name in parent.
10852         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10853         local symbols if --discard-locals or -X is given.
10854         * options.h (class General_options): Declare new options
10855         '--discard-locals' and '-X' for discarding locals.
10856         * target.h (class Target): Define new methods is_local_label_name.
10857         Declare new virtual method do_is_local_label_name.
10858         * target.cc: New file.
10859         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10860         (check_SCRIPTS): Add discard_locals_test.sh.
10861         (check_DATA): Add discard_local_tests.syms.
10862         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10863         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10864         * testsuite/Makefile.in: Regenerate.
10865         * testsuite/discard_locals_test.c: New file.
10866         * testsuite/discard_locals_test.sh: Same.
10867
10868 2009-06-05  Doug Kwan  <dougkwan@google.com>
10869
10870         * object.cc (Sized_relobj::Sized_relobj): Initialize
10871         discarded_eh_frame_shndx_ to -1U.
10872         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10873         section.
10874         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10875         a discarded .eh_frame section.
10876         (Sized_relobj::do_finalize_local_symbols): Ditto.
10877         * object.h (class Sized_relobj): Declare new member
10878         discarded_eh_frame_shndx_.
10879         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10880         (local_labels_test.o, local_labels_test): New rules.
10881         * testsuite/Makefile.in: Regenerate.
10882
10883 2009-06-04  Doug Kwan  <dougkwan@google.com>
10884
10885         * layout.cc (Layout::section_name_mapping): Add mapping for
10886         special ARM sections.
10887
10888 2009-06-03  Doug Kwan  <dougkwan@google.com>
10889
10890         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10891         (utils::has_overflow): Same.
10892
10893 2009-06-03  Ian Lance Taylor  <iant@google.com>
10894
10895         * layout.cc (Layout::section_name_mapping): New array, replacing
10896         Layout::linkonce_mapping.
10897         (Layout::section_name_mapping_count): New variable, replacing
10898         Layout::linkonce_mapping_count.
10899         (Layout::linkonce_output_name): Remove.
10900         (Layout::output_section_name): Rewrite.
10901         * layout.h (class Layout): Rename Linkonce_mapping to
10902         Section_name_mapping, linkonce_mapping to section_name_mapping,
10903         linkonce_mapping_count to section_name_mapping_count.  Don't
10904         declare linkonce_output_name.
10905
10906 2009-06-03  Doug Kwan  <dougkwan@google.com>
10907
10908         * gold/arm.cc (namespace utils): New.
10909         (Target_arm::reloc_is_non_pic): Define new method.
10910         (class Arm_relocate_functions): New.
10911         (Target_arm::Relocate::relocate): Handle relocation types used by
10912         Android.
10913
10914 2009-06-03  Ian Lance Taylor  <iant@google.com>
10915
10916         * arm.cc (Target_arm::scan::global): Use || instead of |.
10917
10918 2009-06-02  Doug Kwan  <dougkwan@google.com>
10919
10920         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10921         issued_non_pic_error_.
10922         (class Target_arm::Scan): Declare new method check_non_pic.
10923         Define new method symbol_needs_plt_entry.
10924         Declare new data member issued_non_pic_error_.
10925         (class Target_arm::Relocate): Declare new method
10926         should_apply_static_reloc.
10927         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10928         (Target_arm::Scan::check_non_pic): Define new method.
10929         (Target_arm::Scan::local): Handle a small subset of reloc types used
10930         by Android.
10931         (Target_arm::Scan::local): Same.
10932         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10933
10934 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10935
10936         * incremental.cc (Incremental_inputs::report_command_line): Filter
10937         out --incremental-* options.
10938
10939 2009-05-29  Doug Kwan  <dougkwan@google.com>
10940
10941         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10942         template class.
10943         (class Target_arm): Update comment.
10944         (Target_arm::Target_arm): Initialize new data members GOT_,
10945         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10946         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10947         and Target_arm::rel_dyn_section.
10948         Declare new_enum Target_arm::Got_type.
10949         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10950         and DYNBSS_.
10951         Update commments for member do_dynsym_value.
10952         (Target_arm::got_size, Target_arm::plt_section,
10953         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10954         new methods inside class defintion.
10955         (Target_arm::got_section): Define new method.
10956         (Target_arm::rel_dyn_section): Same.
10957         (Output_data_plt_arm): New template class.
10958         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10959         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10960         (Output_data_plt_arm::add_entry): Same.
10961         (Output_data_plt_arm::first_plt_entry): Define new
10962         static data member for PLT instruction template.
10963         (Output_data_plt_arm::plt_entry): Same.
10964         (Output_data_plt_arm::do_write): Define new method.
10965         (Target_arm::make_plt_entry): Same.
10966         (Target_arm::do_finalize_sections): Same.
10967         (Target_arm::do_dynsym_value): Same.
10968
10969 2009-05-28  Doug Kwan  <dougkwan@google.com>
10970
10971         * Makefile.am (TARGETSOURCES): Add arm.cc.
10972         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10973         * Makefile.in: Regenerate.
10974         * arm.cc: New file.
10975         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10976
10977 2009-05-26  Doug Kwan  <dougkwan@google.com>
10978
10979         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10980         (General_options::check_excluded_libs): Strip off directories in
10981         archive name before matching like GNU ld does.
10982         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10983         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10984         (exclude_libs_test_LDFLAGS): Add linker option
10985         -Wl,--exclude-libs,libexclude_libs_test_3
10986         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10987         an explicit archive without using -l.
10988         (alt/libexclude_libs_test_3.a): New make rule.
10989         * testsuite/Makefile.in: Regenerate.
10990         * testsuite/exclude_libs_test.c : Declare lib3_default().
10991         (main): Call it.
10992         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10993         * exclude_libs_test_3.c: New file.
10994
10995 2009-05-26  Nick Clifton  <nickc@redhat.com>
10996
10997         * po/id.po: New Indonesian translation.
10998         * po/gold.pot: Updated template file.
10999
11000 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11001
11002         * testsuite/Makefile.am: Add -ffunction-sections to compile
11003         gc_comdat_test files.  Add -Wl,--gc-sections to build
11004         gc_comdat_test.
11005         * testsuite/Makefile.in: Regenerate.
11006         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11007
11008 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11009
11010         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11011         kept comdat section was garbage collected.
11012         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11013         * testsuite/Makefile.in: Regenerate.
11014         * testsuite/gc_comdat_test.sh: New file.
11015         * testsuite/gc_comdat_test_1.cc: New file.
11016         * testsuite/gc_comdat_test_2.cc: New file.
11017
11018 2009-05-19  Doug Kwan  <dougkwan@google.com>
11019
11020         * archive.cc (Archive::Archive): Move constructor from archive.h
11021         to here.  Initialize no_export_.
11022         (Archive::get_elf_object_for_member): Set no_export flag of object.
11023         * archive.h (Archive::Archive): Move constructor body to
11024         archive.cc.
11025         (Archive::no_export): New method.
11026         (Archive::no_export_): New field.
11027         * object.h (Object::Object): Initialize no_export_ to false.
11028         (Object::no_export, Object::set_no_export): New methods.
11029         (Object::no_export_): New field.
11030         * options.cc (General_options::parse_exclude_libs): New method.
11031         (General_options::check_excluded_libs) Same.
11032         * options.h (exclude_libs): New option.
11033         (General_options::check_excluded_libs): New method declaration.
11034         (General_options::excluded_libs_): New field.
11035         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11036         default or protected visibility if an object has no-export flag set.
11037         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11038         (check_SCRIPTS): Add exclude_libs_test.sh.
11039         (check_DATA): Add exclude_libs_test.syms.
11040         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11041         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11042         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11043         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11044         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11045         libexclude_libs_test_2.a): New rules.
11046         * testsuite/Makefile.in: Regenerate.
11047         * testsuite/exclude_libs_test.c: New file.
11048         * testsuite/exclude_libs_test.sh: Ditto.
11049         * testsuite/exclude_libs_test_1.c: Ditto.
11050         * testsuite/exclude_libs_test_2.c: Ditto.
11051
11052 2009-05-15  Ian Lance Taylor  <iant@google.com>
11053
11054         * configure.ac: Check for declarations for cases where libiberty.h
11055         checks HAVE_DECL_xxx.
11056         * configure, config.in: Rebuild.
11057
11058 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11059
11060         * gold.h (Incremental_argument_list): Remove (invalid) forward
11061         declaration.
11062         * incremental.cc (Incremental_inputs::report_achive): New method.
11063         (Incremental_inputs::report_object): New method.
11064         (Incremental_inputs::report_script): New method.
11065         (Incremental_inputs::finalize_inputs): New method.
11066         (Incremental_inputs::finalize): Call finalize_inputs().
11067         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11068         Create inputs entries.
11069         * incremental.h (Incremental_input_type): New enum.
11070         (Incremental_inputs::Incremental_input): Initialize new fields.
11071         (Incremental_inputs::report_inputs): New method.
11072         (Incremental_inputs::report_achive): New method.
11073         (Incremental_inputs::report_object): New method.
11074         (Incremental_inputs::report_script): New method.
11075         (Incremental_inputs::finalize_inputs): New method.
11076         (Incremental_inputs::Input_info): New struct.
11077         (Incremental_inputs::Input_info_map): New typedef.
11078         (Incremental_inputs::lock_): New field.
11079         (Incremental_inputs::Inputs_): New field.
11080         (Incremental_inputs::Inputs_map): New field.
11081         * main.cc (main): Call Incremental_input::report_inputs.
11082         * options.h (Input_argument_list): Typedef moved from
11083         Input_arguments.
11084         (Input_file_group::Files): Remove, use ::Input_argument_list.
11085         (Input_file_group::Input_argument_list): Remove, use
11086         ::Input_argument_list.
11087         * plugin.cc (Plugin_manager::add_input_file): Add error in
11088         incremental build.
11089         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11090         functions.
11091         * script.cc (read_input_script): Call
11092         Incremental_input::report_script.
11093         * script.h (Script_info): New class.
11094
11095 2009-04-27  Ian Lance Taylor  <iant@google.com>
11096
11097         * x86_64.cc (do_adjust_output_section): Set entsize to
11098         plt_entry_size.
11099
11100 2009-04-23  Elliott Hughes  <enh@google.com>
11101
11102         * output.cc (Output_file::close): After short writes, continue
11103         writing from the correct offset in the buffer being written.
11104
11105 2009-04-23  Chris Demetriou  <cgd@google.com>
11106
11107         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11108         * configure: Regenerate.
11109         * config.in: Regenerate.
11110         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11111         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11112
11113 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11114
11115         * incremental.cc (Incremental_inputs_header_data): Renamed from
11116         Incremental_input_header_data.
11117         (Incremental_inputs_header_data::data_size): New field.
11118         (Incremental_inputs_header_data::put_input_file_count): Renamed
11119         from input_file_count.
11120         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11121         from command_line_offset.
11122         (Incremental_inputs_header_data::put_reserved): Renamed from
11123         put_reserved.
11124         (Incremental_inputs_entry_data): Renamed from
11125         Incremental_input_entry_data.
11126         (Incremental_inputs_entry_data::data_size): New field.
11127         (Incremental_inputs::report_command_line): New method.
11128         (Incremental_inputs::finalize): New method.
11129         (Incremental_inputs::create_incremental_inputs_data): New method.
11130         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11131         * incremental.h: New file.
11132         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11133         (Layout::finalize): Create incremental inputs section in
11134         incremental builds.
11135         (Layout::create_incremental_info_sections): New method.
11136         * layout.h (Layout::incremental_inputs): New method.
11137         (Layout::create_incremental_info_sections): New method.
11138         (Layout::incremental_inputs_): New field.
11139         * main.cc (main): Notify Incremental_input of the command line.
11140
11141 2009-04-01  Ian Lance Taylor  <iant@google.com>
11142             Mikolaj Zalewski  <mikolajz@google.com>
11143
11144         * gold.h (reserve_unordered_map): Define, three versions, one for
11145         each version of Unordered_map.
11146         * layout.cc (Layout::Layout): Remove options parameter.  Add
11147         number_of_input_files parameter.  Don't initialize options_.
11148         Initialize number_of_input_files_ and resized_signatures_.  Move
11149         sections_are_attached_.
11150         (Layout::layout_group): Reserve space for group_signatures_.
11151         (Layout::find_or_add_kept_section): Change name parameter to be a
11152         reference.  Resize signatures_ map when it gets large enough.
11153         (Layout::layout_eh_frame): Use parameters->options() instead of
11154         this->options_.
11155         (Layout::make_output_section): Likewise.
11156         (Layout::attach_allocated_section_to_segment): Likewise.
11157         (Layout::finalize, Layout::create_executable_stack): Likewise.
11158         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11159         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11160         * layout.h (class Layout): Update declarations.  Remove options_
11161         field.  Add number_of_input_files_ and resized_signatures_
11162         fields.  Move sections_are_attached_ field.
11163         * main.cc (main): Pass number of input files to Layout
11164         constructor.  Don't pass options.
11165
11166 2009-03-30  Ian Lance Taylor  <iant@google.com>
11167
11168         * ffsll.c (ffsll): Correct implementation.
11169
11170 2009-03-27  Ian Lance Taylor  <iant@google.com>
11171
11172         * ffsll.c: New file.
11173         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11174         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11175         * ftruncate.c (ftruncate): Declare before definition.
11176         * mremap.c (mremap): Likewise.
11177         * pread.c (pread): Likewise.
11178         * configure, Makefile.in, config.in: Rebuild.
11179
11180         * mremap.c: New file.
11181         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11182         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11183         (mremap): Declare if HAVE_MREMAP is not defined.
11184         * configure, Makefile.in, config.in: Rebuild.
11185
11186 2009-03-27  Cary Coutant  <ccoutant@google.com>
11187
11188         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11189         position independent.
11190         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11191         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11192
11193 2009-03-24  Cary Coutant  <ccoutant@google.com>
11194
11195         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11196         an executable.
11197         (needs_dynamic_reloc): Likewise.
11198
11199 2009-03-24  Ian Lance Taylor  <iant@google.com>
11200
11201         * yyscript.y (file_cmd): Recognize EXTERN.
11202         (extern_name_list, extern_name_list_body): New nonterminals.
11203         * script.cc (script_add_extern): Define.
11204         * script-c.h (script_add_extern): Declare.
11205
11206 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11207
11208         * object.cc (is_elf_object): Define.
11209         * object.h (is_elf_object): Declare.
11210         * archive.cc (Archive::get_elf_object_for_member): Call
11211         is_elf_object.
11212         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11213
11214 2009-03-24  Elliott Hughes  <enh@google.com>
11215
11216         * output.cc (Output_file::map_anonymous): Define.
11217         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11218         try an anonymous one.  Report the size if the mmap fails.
11219         * output.h (class Output_file): Declare map_anonymous.
11220
11221 2009-03-24  Ian Lance Taylor  <iant@google.com>
11222
11223         * target-select.cc (instantiate_target): Don't acquire the lock if
11224         the instantiated_target_ field has already been set.
11225
11226 2009-03-23  Ian Lance Taylor  <iant@google.com>
11227
11228         * gold-threads.h (class Initialize_lock): Define.
11229         * gold-threads.cc (class Initialize_lock_once): Define.
11230         (initialize_lock_control): New static variable.
11231         (initialize_lock_pointer): New static variable.
11232         (initialize_lock_once): New static function.
11233         (Initialize_lock::Initialize_lock): Define.
11234         (Initialize_lock::initialize): Define.
11235         * target-select.h: Include "gold-threads.h".
11236         (class Target_selector): Add lock_ and initialize_lock_ fields.
11237         Don't define instantiate_target, just declare it.
11238         * target-select.cc (Target_selector::Target_selector): Initialize
11239         new fields.
11240         (Target_selector::instantiate_target): Define.
11241         * descriptors.h: Include "gold-threads.h".
11242         (class Descriptors): Add initialize_lock_ field.
11243         * descriptors.cc (Descriptors::Descriptors): Initialize new
11244         field.
11245         (Descriptors::open): Use initialize_lock_ field
11246         * errors.h (class Errors): Add initialize_lock_ field.
11247         * errors.cc (Errors::Errors): Initialize new field.
11248         (Errors::initialize_lock): Use initialize_lock_ field.
11249         * powerpc.cc (class Target_selector_powerpc): Remove
11250         instantiated_target_ field.  In do_recognize call
11251         instantiate_target rather than do_instantiate_target.  In
11252         do_instantiate_target just allocate a new target.
11253         * sparc.cc (class Target_selector_sparc): Likewise.
11254
11255         * freebsd.h: New file.
11256         * i386.cc: Include "freebsd.h".
11257         (Target_i386): Derive from Target_freebsd rather than
11258         Sized_target.
11259         (Target_selector_i386): Derive from Target_selector_freebsd rather
11260         than Target_selector.
11261         * x86_64.cc: Include "freebsd.h".
11262         (Target_x86_64): Derive from Target_freebsd rather than
11263         Sized_target.
11264         (Target_selector_x86_64): Derive from Target_selector_freebsd
11265         rather than Target_selector.
11266         * target.h (class Target): Add adjust_elf_header and
11267         do_adjust_elf_header.
11268         * output.cc (Output_file_header:: do_sized_write): Call target
11269         adjust_elf_header routine.
11270         * configure.tgt: Set targ_osabi.
11271         * configure.ac: Define GOLD_DEFAULT_OSABI.
11272         * parameters.cc (Parameters::default_target): Pass
11273         GOLD_DEFAULT_OSABI to select_target.
11274         * target-select.h (class Target_selector): Make instantiate_target
11275         protected rather than private.
11276         * Makefile.am (HFILES): Add freebsd.h.
11277         * configure, Makefile.in, config.in: Rebuild.
11278
11279         * merge.cc (do_add_input_section): Correct pend value.  Change
11280         message about last entry not being null terminated from error to
11281         warning.
11282
11283 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11284
11285         * incremental.cc: New file.
11286         * Makefile.am (CCFILES): Add incremental.cc.
11287         * Makefile.in: Rebuild.
11288
11289 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11290
11291         * layout.cc (Layout::output_section_name): Preserve names
11292         of '.note.' sections.
11293
11294 2009-03-19  Ian Lance Taylor  <iant@google.com>
11295
11296         * descriptors.cc (Descriptors::open): Check that the options are
11297         valid before using them.
11298
11299 2009-03-18  Ian Lance Taylor  <iant@google.com>
11300
11301         * script-sections.h: Include <list>.
11302         (class Script_sections): Change Sections_elements from std::vector
11303         to std::list.  Typedef public Elements_iterator.  Add
11304         orphan_section_placement_, data_segment_align_start_, and
11305         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11306         field.
11307         * script-sections.cc (class Orphan_section_placement): New class.
11308         (class Sections_element): Add virtual functions is_relro and
11309         orphan_section_init.  Remove virtual function place_orphan_here.
11310         (class Output_section_definition): Add is_relro and
11311         orphan_section_init.  Remove place_orphan_here.
11312         (class Orphan_output_section): Likewise.
11313         (Script_sections::Script_sections): Update for field changes.
11314         (Script_sections::data_segment_align): Set saw_data_segment_align_
11315         and data_segment_align_start_, not data_segment_align_index.
11316         (Script_sections::data_segment_relro_end): Check
11317         saw_data_segment_align_.  Use data_segment_align_start_ rather
11318         than data_segment_align_index_.
11319         (Script_sections::place_orphan): Rewrite to use
11320         Orphan_section_placement.
11321
11322 2009-03-17  Ian Lance Taylor  <iant@google.com>
11323
11324         * archive.cc (Archive::add_symbols): Check for a version attached
11325         to the symbol name in the archive map.
11326         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11327         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11328         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11329         (ver_test_11.a): New target.
11330         * testsuite/Makefile.in: Rebuild.
11331
11332         * configure.ac: Check for chsize and posix_fallocate.  Replace
11333         ftruncate.
11334         * ftruncate.c: New file, from gnulib.
11335         * output.cc (posix_fallocate): Define dummy version if not
11336         HAVE_POSIX_FALLOCATE.
11337         (Output_file::map): Call posix_fallocate rather than lseek and
11338         write.
11339         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11340         * configure, Makefile.in, config.in: Rebuild.
11341
11342 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11343
11344         * layout.h (Layout::create_note): Add section_name parameter.
11345         * layout.cc (Layout::create_note): Likewise.
11346         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11347
11348 2009-03-17  Ian Lance Taylor  <iant@google.com>
11349
11350         * descriptors.cc: Include "options.h".
11351         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11352         (Descriptors::open): Always use O_CLOEXEC when opening a new
11353         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11354         then set FD_CLOEXEC.
11355
11356         * sparc.cc (class Target_sparc): Add has_got_section.
11357         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11358         make sure we have a GOT section.
11359
11360         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11361         (Target_sparc::Scan::local): Likewise.
11362         (Target_sparc::Scan::global): Likewise.
11363         (Target_sparc::Relocate::relocate): Likewise.
11364         (Target_sparc::Relocate::relocate_tls): Likewise.
11365
11366         * symtab.cc (Symbol_table::define_default_version): New function,
11367         broken out of add_from_object.
11368         (Symbol_table::add_from_object): Call define_default_version.
11369         (Symbol_table::define_special_symbol): Add resolve_oldsym
11370         parameter.  Change all callers.  If the version for a symbol comes
11371         from a version script, resolve it with the symbol with the same
11372         name with no version.  Also add the symbol without a version if
11373         appropriate.
11374         (do_define_in_output_data): If resolving with oldsym, don't delete
11375         sym.
11376         (do_define_in_output_segment): Likewise.
11377         (do_define_as_constant): Likewise.
11378         * symtab.h (class Symbol_table): Update declarations.
11379
11380 2009-03-13  Ian Lance Taylor  <iant@google.com>
11381
11382         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11383         (Read_symbols::requeue): New function.
11384         (Read_symbols::do_read_symbols): If make_elf_object fails because
11385         the target type is not configured, and the file was searched for,
11386         issue a warning and retry with the next directory.
11387         (Add_symbols::run): If the file has an incompatible format, and
11388         it was searched for, requeue the Read_symbols task.  On error,
11389         release the object.
11390         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11391         dirindex parameter to constructor.  Change all callers.  Declare
11392         incompatible_warning and requeue.
11393         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11394         input_argument_ and input_group_ fields.  Add them to
11395         constructor.  Change all callers.
11396         (class Read_script): Add dirindex_ field.  Add it to constructor.
11397         Change all callers.
11398         * archive.cc (Archive::setup): Remove input_objects parameter.
11399         Change all callers.
11400         (Archive::get_file_and_offset): Likewise.
11401         (Archive::read_all_symbols): Likewise.
11402         (Archive::read_symbols): Likewise.
11403         (Archive::get_elf_object_for_member): Remove input_objects
11404         parameter.  Add punconfigured parameter.  Change all callers.
11405         (Archive::add_symbols): Change return type to bool.  Check return
11406         value of include_member.
11407         (Archive::include_all_members): Likewise.
11408         (Archive::include_member): Change return type to bool.  Return
11409         false if first included object has incompatible target.  Set
11410         included_member_ field.
11411         (Add_archive_symbols::run): If add_symbols returns false, requeue
11412         Read_symbols task.
11413         * archive.h (class Archive): Add included_member_ field.
11414         Initialize it in constructor.  Add input_file and searched_for
11415         methods.  Update declarations.
11416         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11417         input_argument_ fields.  Add them to constructor.  Change all
11418         callers.
11419         * script.cc: Include "target-select.h".
11420         (class Parser_closure): Add skip_on_incompatible_target_ and
11421         found_incompatible_target_ fields.  Add
11422         skip_on_incompatible_target parameter to constructor.  Change all
11423         callers.  Add methods skip_on_incompatible_target,
11424         clear_skip_on_incompatible_target, found_incompatible_target, and
11425         set_found_incompatible_target.
11426         (read_input_script): Add dirindex parameter.  Change all callers.
11427         If parser finds an incompatible target, requeue Read_symbols
11428         task.
11429         (script_set_symbol): Clear skip_on_incompatible_target in
11430         closure.
11431         (script_add_assertion, script_parse_option): Likewise.
11432         (script_start_sections, script_add_phdr): Likewise.
11433         (script_check_output_format): New function.
11434         * script.h (read_input_script): Update declaration.
11435         * script-c.h (script_check_output_format): Declare.
11436         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11437         (ignore_cmd): Remove OUTPUT_FORMAT.
11438         * fileread.cc (Input_file::Input_file): Add explicit this.
11439         (Input_file::will_search_for): New function.
11440         (Input_file::open): Add pindex parameter.  Change all callers.
11441         * fileread.h (class Input_file): Add input_file_argument method.
11442         Declare will_search_for.  Update declarations.
11443         * object.cc (make_elf_object): Add punconfigured parameter.
11444         Change all callers.
11445         * object.h (class Object): Make input_file public.  Add
11446         searched_for method.
11447         (make_elf_object): Update declaration.
11448         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11449         restart search.
11450         * dirsearch.h (class Dirsearch): Update declaration.
11451         * options.h (class General_options): Add --warn-search-mismatch.
11452         * parameters.cc (Parameters::is_compatible_target): New function.
11453         * parameters.h (class Parameters): Declare is_compatible_target.
11454         * workqueue.cc (Workqueue::add_blocker): New function.
11455         * workqueue.h (class Workqueue): Declare add_blocker.
11456
11457         * fileread.cc (Input_file::open): Remove options parameter.
11458         Change all callers.
11459         (Input_file::open_binary): Likewise.
11460         * script.cc (read_input_script): Likewise.
11461         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11462         options parameter from constructor.  Change all callers.
11463         (class Read_script): Likewise.
11464         * fileread.h (class Input_file): Update declarations.
11465         * script.h (read_input_script): Update declaration.
11466
11467 2009-03-10  Nick Clifton  <nickc@redhat.com>
11468
11469         * po/es.po: New Spanish translation.
11470
11471 2009-03-06  Cary Coutant  <ccoutant@google.com>
11472
11473         * options.cc (parse_short_option): Keep dash_z from registering itself.
11474
11475 2009-03-03  Ian Lance Taylor  <iant@google.com>
11476
11477         PR 9918
11478         * target-reloc.h (relocate_section): Pass output_section to
11479         relocate.
11480         * i386.cc (Target_i386::should_apply_static_reloc): Add
11481         output_section parameter.  Change all callers.
11482         (Target_i386::Relocate::relocate): Add output_section parameter.
11483         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11484         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11485         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11486         * testsuite/two_file_shared.sh: New script.
11487         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11488         (check_DATA): Add two_file_shared.dbg.
11489         (two_file_shared.dbg): New target.
11490         * testsuite/Makefile.in: Rebuild.
11491
11492 2009-03-01  Ian Lance Taylor  <iant@google.com>
11493
11494         * configure.ac: Check for byteswap.h.
11495         * configure: Rebuild.
11496         * config.in: Rebuild.
11497
11498 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11499
11500         * layout.cc (Layout::find_or_add_kept_section): New function.
11501         (Layout::add_comdat): Removed.
11502         * layout.h (struct Kept_section): Move out of class Layout.
11503         Remove trailing underscores from field names.  Add group_sections
11504         field.  Rename group_ field to is_group.  Change all uses.
11505         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11506         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11507         comdat_groups_ field.
11508         (Sized_relobj::include_section_group): Use
11509         find_or_add_kept_section and Kept_section::group_sections.
11510         (Sized_relobj::include_linkonce_section): Likewise.
11511         * object.cc (class Sized_relobj): Don't define Comdat_group or
11512         Comdat_group_table.  Remove find_comdat_group and
11513         add_comdat_group.  Remove comdat_groups_ field.
11514         * plugin.cc (include_comdat_group): Use
11515         Layout::find_or_add_kept_section.
11516
11517 2009-02-28  Ian Lance Taylor  <iant@google.com>
11518
11519         * README: --gc-sections and map files are now supported.  Document
11520         some build requirements.
11521
11522         PR 6992
11523         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11524         relocatable link set the value of the section symbol to zero.
11525         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11526         relocatable link don't include the section address in the local
11527         symbol value.
11528
11529 2009-02-27  Ian Lance Taylor  <iant@google.com>
11530
11531         PR 6811
11532         * options.h (class Search_directory): Add is_system_directory.
11533         (class General_options): Declare is_in_system_directory.
11534         * options.cc (get_relative_sysroot): Make static.
11535         (get_default_sysroot): Make static.
11536         (General_optoins::is_in_system_directory): New function.
11537         * fileread.cc (Input_file::is_in_system_directory): New function.
11538         * fileread.h (class Input_file): Declare is_in_system_directory.
11539         * object.h (class Object): Add is_in_system_directory.
11540         (class Input_objects): Remove system_library_directory_ field.
11541         * object.cc (Input_objects::add_object): Don't set
11542         system_library_directory_.
11543         (input_objects::found_in_system_library_directory): Remove.
11544         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11545         parameter.  Change all callers.
11546         (Symbol_table::sized_write_globals): Likewise.
11547         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11548         Call Object::is_in_system_directory.
11549         * symtab.h (class Symbol_table): Update declarations.
11550
11551         PR 5990
11552         * descriptors.h (Open_descriptor): Add is_on_stack field.
11553         * descriptors.cc (Descriptors::open): If the descriptor is on the
11554         top of the stack, remove it.  Initialize is_on_stack field.
11555         (Descriptors::release): Only add pod to stack if it is not on the
11556         stack already.
11557         (Descriptors::close_some_descriptor): Clear stack_next and
11558         is_on_stack fields.
11559
11560         PR 7091
11561         * output.cc (Output_section::find_starting_output_address): Rename
11562         from starting_output_address; add PADDR parameter; change return
11563         type.
11564         * output.h (class Output_section): Declare
11565         find_starting_output_address instead of starting_output_address.
11566         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11567         section symbol for which we can't find a merge section.
11568
11569         PR 9836
11570         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11571         hidden or internal, force the symbol to be local.
11572         * resolve.cc (Symbol::override_visibility): Define.
11573         (Symbol::override_base): Use override_visibility.
11574         (Symbol_table::resolve): Likewise.
11575         (Symbol::override_base_with_special): Likewise.
11576         (Symbol_table::override_with_special): If the visibility is hidden
11577         or internal, force the symbol to be local.
11578         * symtab.h (class Symbol): Add set_visibility and
11579         override_visibility.
11580         * testsuite/ver_test_1.sh: New file.
11581         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11582         (check_DATA): Add ver_test_1.syms.
11583         (ver_test_1.syms): New target.
11584         * testsuite/Makefile.in: Rebuild.
11585
11586 2009-02-25  Cary Coutant  <ccoutant@google.com>
11587
11588         * layout.cc (Layout::choose_output_section): Don't rename sections
11589         when using a linker script that has a SECTIONS clause.
11590         * Makefile.in: Regenerate.
11591
11592         * testsuite/Makefile.am (script_test_5.sh): New test case.
11593         * testsuite/Makefile.in: Regenerate.
11594         * testsuite/script_test_5.cc: New file.
11595         * testsuite/script_test_5.sh: New file.
11596         * testsuite/script_test_5.t: New file.
11597
11598 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11599
11600         * archive.cc (Archive::include_member): Update calls to add_symbols.
11601         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11602         the Layout argument.
11603         * dynobj.h (do_add_symbols): Add the Layout argument.
11604         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11605         Layout argument.
11606         * object.h (Object::add_symbols): Add the Layout argument.
11607         (Object::do_add_symbols): Add the Layout argument.
11608         (Sized_relobj::do_add_symbols): Add the Layout argument.
11609         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11610         Unify the two versions.
11611         (Add_plugin_symbols): Remove.
11612         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11613         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11614         (Add_plugin_symbols): Remove.
11615         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11616         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11617         (Add_symbols::run): Make it work with Pulginobj.
11618
11619 2009-02-06  Ian Lance Taylor  <iant@google.com>
11620
11621         * object.cc (Sized_relobj::do_layout): Make info message start
11622         with lower case letter.
11623
11624 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11625
11626         * binary.cc: Fix file comment.
11627
11628         * options.h (enum Incremental_disposition): Define.
11629         (class General_options): Add new options: --incremental,
11630         --incremental_changed, --incremental_unchanged,
11631         --incremental_unknown.  Add incremental_disposition_ and
11632         implicit_incremental_ fields.
11633         (General_options::incremental_disposition): New function.
11634         (class Position_dependent_options): Add incremental_disposition
11635         option.
11636         (Position_dependent_options::copy_from_options): Set incremental
11637         dispositions.
11638         * options.cc (General_options::parse_incremental_changed): New
11639         function.
11640         (General_options::parse_incremental_unchanged): New function.
11641         (General_options::parse_incremental_unknown): New function.
11642         (General_options::General_options): Initialize new fields
11643         incremental_disposition_ and implicit_incremental_.
11644         (General_options::finalize): Check for uasge of --incremental-*
11645         without --incremental.
11646
11647 2009-02-06  Chris Demetriou  <cgd@google.com>
11648
11649         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11650         pointer and to report location as the file name associated with
11651         the symbol.
11652         (gold_undefined_symbol_at_location): New function to replace the
11653         old gold_undefined_symbol functionality.
11654         * target-reloc.h (relocate_section): Update to use
11655         gold_undefined_symbol_at_location.
11656         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11657         Call gold_undefined_symbol function rather than gold_error.
11658         * errors.h (Errors::undefined_symbol): Take location as a
11659         string, rather than calculating it from a relocation.
11660         * errors.cc (Errors::fatal): Print "fatal error:" before the
11661         formatted message.
11662         (Errors::error, Errors::error_at_location): Print "error: "
11663         before the formatted message.
11664         (Errors::undefined_symbol): Take location as a string, rather
11665         than calculating it from a relocation.
11666         (gold_undefined_symbol_at_location): New function akin to
11667         old gold_undefined_symbol, calculates location from relocation.
11668         (gold_undefined_symbol): Change to take only a Symbol pointer
11669         and to report location as the file name associated with the symbol.
11670         * testsuite/debug_msg.sh: Update for changed error messages.
11671         * testsuite/undef_symbol.sh: Likewise.
11672
11673 2009-02-04  Duncan Sands  <baldrick@free.fr>
11674
11675         PR 9812
11676         * reduced_debug_output.h
11677         (Output_reduced_debug_abbrev_section::failed): Use format for
11678         gold_warning.
11679         (Output_reduced_debug_info_section::faild): Likewise.
11680
11681 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11682
11683         * script.cc (Lazy_demangler): New class.
11684         (Version_script_info::get_symbol_version_helper): Demangle a
11685         symbol only once.
11686
11687 2009-01-29  Cary Coutant  <ccoutant@google.com>
11688
11689         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11690         to __tls_get_addr.
11691         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11692
11693 2009-01-28  Ian Lance Taylor  <iant@google.com>
11694
11695         * version.cc (version_string): Bump to 1.9.
11696
11697         * gold.h: Include <cstring> and <stdint.h>.
11698         * version.cc: Include <cstdio>.
11699         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11700         warning.
11701         * reduced_debug_output.cc (insert_into_vector): Rename from
11702         Insert_into_vector; change all callers.  Use Swap_unaligned to
11703         avoid aliasing issue; remove union since it is unnecessary.
11704
11705 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11706
11707         * Makefile.am (CCFILES): Add gc.cc.
11708         (HFILES): Add gc.h.
11709         * Makefile.in: Regenerate.
11710         * gold.cc (Gc_runner): New class.
11711         (queue_initial_tasks): Call garbage collection related tasks
11712         when corresponding options are invoked.
11713         (queue_middle_gc_tasks): New function.
11714         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11715         processed early before laying out sections during garbage collection.
11716         * gold.h (queue_middle_gc_tasks): New function.
11717         (is_prefix_of): Move from "layout.cc".
11718         * i386.cc (Target_i386::gc_process_relocs): New function.
11719         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11720         * main.cc (main): Create object of class "Garbage_collection".
11721         * object.cc (Relobj::copy_symbols_data): New function.
11722         (Relobj::is_section_name_included): New function.
11723         (Sized_relobj::do_layout): Allow this function to be called twice
11724         during garbage collection and defer layout of section during the
11725         first call.
11726         * object.h (Relobj::get_symbols_data): New function.
11727         (Relobj::is_section_name_included): New function.
11728         (Relobj::copy_symbols_data): New function.
11729         (Relobj::set_symbols_data): New function.
11730         (Relobj::get_relocs_data): New function.
11731         (Relobj::set_relocs_data): New function.
11732         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11733         (Relobj::gc_process_relocs): New function.
11734         (Relobj::do_gc_process_relocs): New pure virtual function.
11735         (Relobj::sd_): New data member.
11736         (Sized_relobj::is_output_section_offset_invalid): New function.
11737         (Sized_relobj::do_gc_process_relocs): New function.
11738         * options.h (General_options::gc_sections): Modify to not be a no-op.
11739         (General_options::print_gc_sections): New option.
11740         * plugin.cc (Plugin_finish::run): Remove function call to
11741         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11742         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11743         * reloc.cc (Read_relocs::run): Add task to process relocs and
11744         determine unreferenced sections when doing garbage collection.
11745         (Gc_process_relocs): New class.
11746         (Sized_relobj::do_gc_process_relocs): New function.
11747         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11748         sections that are garbage collected.
11749         * reloc.h (Gc_process_relocs): New class.
11750         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11751         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11752         symbols whose corresponding sections are garbage collected.
11753         (Symbol_table::Symbol_table): Add new parameter for the garbage
11754         collection object.
11755         (Symbol_table::gc_mark_undef_symbols): New function.
11756         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11757         (Symbol_table::gc_mark_dyn_syms): New function.
11758         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11759         as garbage.
11760         (Symbol_table::add_from_object): Likewise.
11761         (Symbol_table::add_from_relobj): When building shared objects, do not
11762         treat externally visible symbols as garbage.
11763         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11764         table information for static and relocatable links.
11765         * symtab.h (Symbol_table::set_gc): New function.
11766         (Symbol_table::gc): New function.
11767         (Symbol_table::gc_mark_undef_symbols): New function.
11768         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11769         (Symbol_table::gc_mark_dyn_syms): New function.
11770         (Symbol_table::gc_): New data member.
11771         * target.h (Sized_target::gc_process_relocs): New pure virtual
11772         function.
11773         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11774         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11775
11776 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11777
11778         * options.h (General_options::gc_sections): Define as a no-op for now.
11779         (General_options::no_keep_memory): Ditto.
11780         (General_options::Bshareable): Define.
11781         * options.cc (General_options::finalize): Honor -Bshareable.
11782
11783 2009-01-20  Andreas Schwab  <schwab@suse.de>
11784
11785         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11786         read the value in the contents, since we don't use it.  Use the
11787         template endianness when writing.
11788         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11789
11790 2009-01-19  Andreas Schwab  <schwab@suse.de>
11791
11792         * configure.tgt (powerpc64-*): Fix targ_obj.
11793
11794 2009-01-15  Ian Lance Taylor  <iant@google.com>
11795
11796         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11797         local symbols when stripping all symbols.
11798
11799 2009-01-14  Cary Coutant  <ccoutant@google.com>
11800
11801         * output.cc (Output_reloc): Add explicit instantiations.
11802
11803 2009-01-14  Cary Coutant  <ccoutant@google.com>
11804
11805         * archive.cc (Archive::get_elf_object_for_member): Remove call
11806         to File_read::claim_for_plugin.
11807         * descriptors.cc (Descriptors::open): Remove reference to
11808         is_claimed.
11809         (Descriptors::claim_for_plugin): Remove.
11810         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11811         (Descriptors::is_claimed): Remove.
11812         (claim_descriptor_for_plugin): Remove.
11813         * fileread.cc (File_read::claim_for_plugin): Remove.
11814         * fileread.h (File_read::claim_for_plugin): Remove.
11815         (File_read::descriptor): Reopen descriptor if necessary.
11816         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11817         (Plugin_manager::all_symbols_read): Add task parameter. Change
11818         all callers.
11819         (Plugin_manager::get_input_file): New function.
11820         (Plugin_manager::release_input_file): New function.
11821         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11822         corresponding data member.
11823         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11824         and pass to base constructor. Change all callers.
11825         (get_input_file, release_input_file): New functions.
11826         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11827         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11828         (Plugin_manager::all_symbols_read): Add task parameter.
11829         (Plugin_manager::get_input_file): New function.
11830         (Plugin_manager::release_input_file): New function.
11831         (Plugin_manager::task_): New data member.
11832         (Pluginobj::Pluginobj): Add filesize parameter.
11833         (Pluginobj::filename): New function.
11834         (Pluginobj::descriptor): New function.
11835         (Pluginobj::filesize): New function.
11836         (Pluginobj::filesize_): New data member.
11837         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11838         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11839         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11840
11841         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11842         with archive libraries.
11843         * testsuite/Makefile.in: Regenerate.
11844         * testsuite/plugin_test.c (struct sym_info): New type.
11845         (get_input_file, release_input_file): New static variables.
11846         (onload): Capture new transfer vector entries.
11847         (claim_file_hook): Stop reading at end of file according to filesize.
11848         Factor out parsing of readelf output into separate function.
11849         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11850         APIs and get the source file name from the symbol table.  Convert
11851         source file name to corresponding object file name.  Print info
11852         message when adding new input files.
11853         (parse_readelf_line): New function.
11854         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11855         * testsuite/plugin_test_2.sh: Likewise.
11856         * testsuite/plugin_test_3.sh: Likewise.
11857         * testsuite/plugin_test_4.sh: New test case.
11858
11859 2009-01-07  Ian Lance Taylor  <iant@google.com>
11860
11861         * version.cc (version_string): Bump to 1.8.
11862
11863 2008-12-23  Cary Coutant  <ccoutant@google.com>
11864
11865         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11866         * plugin.cc (Plugin_manager::finish): Rename as
11867         layout_deferred_objects.  Move cleanup to separate function.
11868         (Plugin_manager::cleanup): New function.
11869         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11870         separately.
11871         * plugin.h (Plugin_manager::finish): Rename as
11872         layout_deferred_objects.
11873         (Plugin_manager::cleanup): New function.
11874         (Plugin_manager::cleanup_done): New field.
11875
11876 2008-12-23  Cary Coutant  <ccoutant@google.com>
11877
11878         * plugin.cc (is_visible_from_outside): New function.
11879         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11880         so we don't return "IR only" status for exported symbols or -r links.
11881
11882         * testsuite/Makefile.am (plugin_test_3): New test case.
11883         * testsuite/Makefile.in: Regenerate.
11884         * testsuite/plugin_test_3.sh: New file.
11885
11886 2008-12-22  Cary Coutant  <ccoutant@google.com>
11887
11888         * object.cc (Sized_relobj::layout_section): New function.
11889         (Sized_relobj::do_layout): Defer layout of input sections until after
11890         plugin has provided replacement files.
11891         (Sized_relobj::do_layout_deferred_sections): New function.
11892         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11893         (Relobj::layout_deferred_sections): New function.
11894         (Relobj::do_layout_deferred_sections): New function.
11895         (Sized_relobj::do_layout_deferred_sections): New function.
11896         (Sized_relobj::layout_section): New function.
11897         (Sized_relobj::Deferred_layout): New structure.
11898         (Sized_relobj::deferred_layout_): New field.
11899         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11900         Change all callers.  Layout deferred sections.
11901         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11902         references.
11903         (Plugin_hook::run): Move code from do_plugin_hook inline.
11904         (Plugin_hook::do_plugin_hook): Remove.
11905         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11906         (Plugin_manager::finish): Renamed, was cleanup.
11907         (Plugin_manager::should_defer_layout): New function.
11908         (Plugin_manager::add_deferred_layout_object): New function.
11909         (Plugin_manager::Deferred_layout_list): New type.
11910         (Plugin_manager::deferred_layout_objects_): New field.
11911         (Plugin_hook::do_plugin_hook): Remove.
11912
11913 2008-12-17  Ian Lance Taylor  <iant@google.com>
11914
11915         * options.h (class General_options): Add --no case for
11916         --export-dynamic.
11917
11918 2008-12-16  Cary Coutant  <ccoutant@google.com>
11919
11920         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11921         vector.
11922         (Plugin_manager::claim_file): Create plugin object even if
11923         plugin did not call the add_symbols callback.
11924         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11925         asking for more symbols than were added.
11926         * testsuite/Makefile.am (plugin_test_1): Add test case with
11927         no global symbols.
11928         (empty.syms): New target.
11929         * testsuite/Makefile.in: Regenerate.
11930         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11931         message. Don't call add_symbols if no globals.
11932         (all_symbols_read_hook): Don't provide replacement for empty
11933         claimed file.
11934
11935 2008-12-12  Ian Lance Taylor  <iant@google.com>
11936
11937         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11938         r_type == 0 for a local symbol with r_sym == 0.
11939         (scan_relocatable_relocs): Pass r_sym to
11940         local_non_section_strategy.
11941         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11942         r_sym parameter.
11943
11944         * configure.ac: Update test for TLS descriptors: they are
11945         supported as of glibc 2.9.
11946         * configure: Rebuild.
11947
11948 2008-12-11  Ian Lance Taylor  <iant@google.com>
11949
11950         PR 7091
11951         * target-reloc.h (Default_scan_relocatable_relocs): For each
11952         function, map r_type == 0 to RELOC_DISCARD.
11953
11954 2008-12-10  Cary Coutant  <ccoutant@google.com>
11955
11956         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11957         object to override a kept COMDAT group from a plugin object.
11958
11959 2008-12-09  Ian Lance Taylor  <iant@google.com>
11960
11961         PR 7088
11962         * yyscript.y (file_cmd): Handle INPUT.
11963
11964         * testsuite/initpri1.c: Change all declarations to be full
11965         prototypes by adding void, to avoid compiler warnings.
11966
11967 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11968
11969         * options.cc (General_options::parse_plugin_opt): New.
11970         (General_options::add_plugin): The argument now is just the filename.
11971         (General_options::add_plugin_option): New.
11972         * options.h (plugin_opt): New.
11973         (add_plugin): Change argument name.
11974         (add_plugin_option): New.
11975         * plugin.cc (Plugin::load): Don't parse the plugin option.
11976         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11977         (Plugin::add_option): New.
11978         (Plugin::args_): Change type.
11979         (Plugin::filename_): New.
11980         (Plugin_manager::add_plugin_option): New.
11981         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11982         * testsuite/Makefile.in: Regenerate.
11983
11984 2008-12-05  Cary Coutant  <ccoutant@google.com>
11985
11986         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11987         Handle --strip-lto-sections option.
11988         * options.h (strip_lto_sections): New option.
11989
11990 2008-12-01  Cary Coutant  <ccoutant@google.com>
11991
11992         * plugin.cc (ld_plugin_message): Change format parameter to const.
11993         Fix mismatch between new[] and delete.
11994
11995 2008-11-14  Cary Coutant  <ccoutant@google.com>
11996
11997         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11998         instead of -1U.
11999
12000 2008-11-05  Craig Silverstein  <csilvers@google.com>
12001
12002         * options.cc (General_options::parse_dynamic_list): New function.
12003         * options.h (General_options): New flags dynamic_list,
12004         dynamic_list_data, dynamic_list_cpp_new, and
12005         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12006         (General_options::in_dynamic_list): New function.
12007         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12008         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12009         (Lex::can_continue_name): Likewise.
12010         (yylex): Likewise.
12011         (read_script_file): New parameter script_options.
12012         (read_dynamic_list): New function.
12013         (Script_options::define_dynamic_list): New function.
12014         (dynamic_list_keyword_parsecodes): New variable.
12015         (dynamic_list_keywords): New variable.
12016         * script.h (Script_options::define_dynamic_list): New function
12017         prototype.
12018         (read_dynamic_list): New function prototype.
12019         * symtab.cc (strprefix): New macro.
12020         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12021         dynamic_list_data, dynamic_list_cpp_new, and
12022         dynamic_list_cpp_typeinfo.
12023         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12024         (dynamic_list_expr): New rule.
12025         (dynamic_list_nodes): Likewise.
12026         (dynamic_list_node): Likewise.
12027         * testsuite/Makefile.am (dynamic_list): New test.
12028         * testsuite/Makefile.in: Regenerated.
12029         * testsuite/dynamic_list.t: New file.
12030         * testsuite/dynamic_list.sh: New file.
12031
12032 2008-11-05  Craig Silverstein  <csilvers@google.com>
12033
12034         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12035         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12036         (t11_last): Likewise.
12037         * testsuite/ver_test_6.c (main): Likewise.
12038
12039 2008-10-07  Cary Coutant  <ccoutant@google.com>
12040
12041         * options.c (General_options::finalize): Add check for -static and
12042         -shared.
12043         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12044         is not empty.
12045
12046 2008-10-02  Cary Coutant  <ccoutant@google.com>
12047
12048         * plugin.cc (make_sized_plugin_object): Fix conditional
12049         compilation to work when not all targets are enabled.
12050
12051 2008-09-29  Cary Coutant  <ccoutant@google.com>
12052
12053         * archive.cc (Archive::get_file_and_offset): Use filename instead
12054         of name to get library path.
12055         (Archive::include_member): Unlock external member of a thin archive.
12056
12057         * testsuite/Makefile.am (TEST_AR): New variable.
12058         (thin_archive_test_1): New test.
12059         (thin_archive_test_2): New test.
12060         * testsuite/Makefile.in: Regenerate.
12061         * testsuite/thin_archive_main.cc: New file.
12062         * testsuite/thin_archive_test_1.cc: New file.
12063         * testsuite/thin_archive_test_2.cc: New file.
12064         * testsuite/thin_archive_test_3.cc: New file.
12065         * testsuite/thin_archive_test_4.cc: New file.
12066
12067 2008-09-29  Cary Coutant  <ccoutant@google.com>
12068
12069         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12070         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12071         instead of -1U.
12072         (Sized_relobj::do_finalize_local_symbols): Likewise.
12073         (Sized_relobj::map_to_kept_section): Likewise.
12074         * object.h (Sized_relobj::invalid_address): New constant.
12075         (Sized_relobj::do_output_section_offset): Check for invalid_address
12076         and return -1ULL.
12077         * output.cc (Output_reloc::local_section_offset): Use constant
12078         invalid_address instead of -1U.
12079         (Output_reloc::get_address): Likewise.
12080         (Output_section::output_address): Change -1U to -1ULL.
12081         * output.h (Output_reloc::invalid_address): New constant.
12082         * reloc.cc (Sized_relobj::write_sections): Use constant
12083         invalid_address instead of -1U.
12084         (Sized_relobj::relocate_sections): Likewise.
12085         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12086         values for merge sections.
12087         * target-reloc.h (relocate_for_relocatable): Use constant
12088         invalid_address instead of -1U.
12089
12090 2008-09-19  Cary Coutant  <ccoutant@google.com>
12091
12092         Add plugin functionality for link-time optimization (LTO).
12093         * configure.ac (plugins): Add --enable-plugins option.
12094         * configure: Regenerate.
12095         * config.in: Regenerate.
12096         * Makefile.am (LIBDL): New variable.
12097         (CCFILES): Add plugin.cc.
12098         (HFILES): Add plugin.h.
12099         (ldadd_var): Add LIBDL.
12100         * Makefile.in: Regenerate.
12101
12102         * archive.cc: Include "plugin.h".
12103         (Archive::setup): Don't preread archive symbols when using a plugin.
12104         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12105         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12106         files.
12107         (Archive::include_member): Add symbols from plugin objects.
12108         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12109         * descriptors.cc (Descriptors::open): Check for file descriptors
12110         abandoned by plugins.
12111         (Descriptors::claim_for_plugin): New function.
12112         * descriptors.h (Descriptors::claim_for_plugin): New function.
12113         (Open_descriptor::is_claimed): New field.
12114         (claim_descriptor_for_plugin): New function.
12115         * fileread.cc (File_read::claim_for_plugin): New function.
12116         * fileread.h (File_read::claim_for_plugin): New function.
12117         (File_read::descriptor): New function.
12118         * gold.cc: Include "plugin.h".
12119         (queue_initial_tasks): Add task to call plugin hooks for generating
12120         new object files.
12121         * main.cc: Include "plugin.h".
12122         (main): Load plugin libraries.
12123         * object.h (Pluginobj): Declare.
12124         (Object::pluginobj): New function.
12125         (Object::do_pluginobj): New function.
12126         (Object::set_target): New function.
12127         * options.cc: Include "plugin.h".
12128         (General_options::parse_plugin): New function.
12129         (General_options::General_options): Initialize plugins_ field.
12130         (General_options::add_plugin): New function.
12131         * options.h (Plugin_manager): Declare.
12132         (General_options): Add --plugin option.
12133         (General_options::has_plugins): New function.
12134         (General_options::plugins): New function.
12135         (General_options::add_plugin): New function.
12136         (General_options::plugins_): New field.
12137         * plugin.cc: New file.
12138         * plugin.h: New file.
12139         * readsyms.cc: Include "plugin.h".
12140         (Read_symbols::do_read_symbols): Check for archive before checking
12141         for ELF file.  Call plugin hooks to claim files.
12142         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12143         from a real object file; force override when processing replacement
12144         files.
12145         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12146         (Symbol::init_base_object): Likewise.
12147         (Symbol::init_base_output_data): Likewise.
12148         (Symbol::init_base_output_segment): Likewise.
12149         (Symbol::init_base_constant): Likewise.
12150         (Symbol::init_base_undefined): Likewise.
12151         (Symbol::output_section): Assert that object is not a plugin.
12152         (Symbol_table::add_from_pluginobj): New function.
12153         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12154         undefined.
12155         (Symbol_table::sized_write_globals): Likewise.
12156         (Symbol_table::add_from_pluginobj): Instantiate template.
12157         * symtab.h (Sized_pluginobj): Declare.
12158         (Symbol::in_real_elf): New function.
12159         (Symbol::set_in_real_elf): New function.
12160         (Symbol::in_real_elf_): New field.
12161         (Symbol_table::add_from_pluginobj): New function.
12162
12163         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12164         (LIBDL): New variable.
12165         (LDADD): Add LIBDL.
12166         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12167         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12168         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12169         (MOSTLYCLEANFILES): Likewise.
12170         * testsuite/Makefile.in: Regenerate.
12171         * testsuite/plugin_test.c: New file.
12172         * testsuite/plugin_test_1.sh: New file.
12173         * testsuite/plugin_test_2.sh: New file.
12174
12175 2008-09-16  Ian Lance Taylor  <iant@google.com>
12176
12177         * target-reloc.h (relocate_section): Check whether a symbol is
12178         defined by the ABI before reporting an undefined symbol error.
12179         * target.h (Target::is_defined_by_abi): Make parameter const.
12180         (Target::do_is_defined_by_abi): Likewise.
12181         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12182         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12183         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12184         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12185         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12186         * testsuite/Makefile.in: Rebuild.
12187
12188         * fileread.cc (make_view): Add casts to avoid warning.
12189
12190 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12191
12192         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12193         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12194
12195 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12196
12197         * options.h (General_options::output_is_executable): New.
12198         (General_options::output_is_pie): New.
12199         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12200         for shared libraries.
12201         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12202
12203 2008-09-11  Chris Demetriou  <cgd@google.com>
12204
12205         * options.h (origin): New -z option.
12206         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12207         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12208         in DT_FLAGS_1.
12209
12210 2008-09-05  Cary Coutant  <ccoutant@google.com>
12211
12212         * fileread.cc (File_read::make_view): Add check for attempt to map
12213         beyond end of file.
12214
12215 2008-09-05  Cary Coutant  <ccoutant@google.com>
12216
12217         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12218         explicit instantiations.
12219
12220 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12221
12222         PR gold/6858
12223         * options.cc (General_options::finalize): Allow undefined symbols
12224         in shlibs if linking -shared.
12225
12226         PR gold/6859
12227         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12228         symbols as not needing a dynsym entry.
12229
12230 2008-08-20  Craig Silverstein  <csilvers@google.com>
12231
12232         * fileread.cc (File_read::open): Do not lock the file unless it
12233         was successfully opened.
12234
12235 2008-08-14  Cary Coutant  <ccoutant@google.com>
12236
12237         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12238         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12239         * testsuite/tls_test.cc (struct int128): 128-bit struct
12240         for testing TLS relocs with non-zero addend.
12241         (v12): New TLS variable.
12242         (t12): New test.
12243         (t_last): Add check for v12.
12244         * testsuite/tls_test.h (t12): New function.
12245         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12246
12247 2008-08-13  Ian Lance Taylor  <iant@google.com>
12248
12249         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12250         set tls_segment_ or relro_segment_.
12251         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12252         when appropriate.
12253         * output.h (Output_section::clear_is_relro): New function.
12254         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12255         sections specially even when output_data_ is empty.
12256         (Output_segment::maximum_alignment): When first section is relro,
12257         only force alignment for PT_LOAD segments.
12258         * script.cc (script_data_segment_align): New function.
12259         (script_data_segment_relro_end): New function.
12260         * script-c.h (script_data_segment_align): Declare.
12261         (script_data_segment_relro_end): Declare.
12262         * script-sections.h (class Script_sections): Declare
12263         data_segment_align and data_segment_relro_end.  Add fields
12264         segment_align_index_ and saw_relro_end_.
12265         * script-sections.cc (class Sections_element): Add set_is_relro
12266         virtual function.  Add new bool* parameter to place_orphan_here.
12267         Add get_output_section virtual function.
12268         (class Output_section_definition): Add set_is_relro.  Add new
12269         bool* parameter to place_orphan_here.  Add get_output_section.
12270         Add is_relro_ field.
12271         (Output_section_definition::Output_section_definition): Initialize
12272         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12273         and is_relro_ fields.
12274         (Output_section_definition::place_orphan_here): Add is_relro
12275         parameter.
12276         (Output_section_definition::set_section_addresses): Set relro for
12277         output section.
12278         (Output_section_definition::alternate_constraint): Likewise.
12279         (class Orphan_output_section): Add new bool* parameter to
12280         place_orphan_here.  Add get_output_section.
12281         (Orphan_output_section::place_orphan_here): Add is_relro
12282         parameter.
12283         (Script_sections::Script_sections): Initialize
12284         data_segment_align_index_ and saw_relro_end_.
12285         (Script_sections::data_segment_align): New function.
12286         (Script_sections::data_segment_relro_end): New function.
12287         (Script_sections::place_orphan): Set or clear is_relro.
12288         (Script_sections::set_section_addresses): Force alignment of first
12289         TLS section.
12290         * yyscript.y (exp): Call script_data_segment_align and
12291         script_data_segment_relro_end.
12292         * testsuite/relro_script_test.t: New file.
12293         * testsuite/relro_test.cc (using_script): Declare.
12294         (t1, t2): Test using_script.
12295         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12296         (relro_script_test_SOURCES): Define.
12297         (relro_script_test_DEPENDENCIES): Define.
12298         (relro_script_test_LDFLAGS): Define.
12299         (relro_script_test_LDADD): Define.
12300         (relro_script_test.so): New target.
12301         * testsuite/Makefile.in: Rebuild.
12302
12303 2008-08-06  Cary Coutant <ccoutant@google.com>
12304
12305         * archive.cc (Archive::total_archives, Archive::total_members)
12306         (Archive::total_members_loaded): New variables.
12307         (Archive::setup): Add parameter.  Add option to preread
12308         archive symbols.
12309         (Archive::read_armap): Add counter.
12310         (Archive::get_file_and_offset): New function.
12311         (Archive::get_elf_object_for_member): New function.
12312         (Archive::read_all_symbols): New function.
12313         (Archive::read_symbols): New function.
12314         (Archive::add_symbols): Add counters.
12315         (Archive::include_all_members): Use armap to find members if it's
12316         already built.
12317         (Archive::include_member): Skip reading symbols if already read.
12318         Factored code into Archive::get_file_and_offset and
12319         Archive::get_elf_object_for_member.  Changed call to
12320         Mapfile::report_include_archive_member.
12321         (Archive::print_stats): New function.
12322         * archive.h: Declare Object and Read_symbols_data classes.
12323         (Archive::Archive): Add initializers for new members.
12324         (Archive::setup): Add parameter.
12325         (Archive::print_stats): New function.
12326         (Archive::total_archives, Archive::total_members)
12327         (Archive::total_members_loaded): New variables.
12328         (Archive::get_file_and_offset): New function.
12329         (Archive::get_elf_object_for_member): New function.
12330         (Archive::read_all_symbols): New function.
12331         (Archive::read_symbols): New function.
12332         (Archive::Archive_member): New class.
12333         (Archive::members_): New member.
12334         (Archive::num_members_): New member.
12335         * main.cc: Include archive.h.
12336         (main): Call Archive::print_stats.
12337         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12338         archive parameter; member_name is now the fully-decorated name.
12339         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12340         * options.h: (General_options): Add --preread-archive-symbols option.
12341         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12342         Archive::setup.
12343
12344 2008-08-04  Ian Lance Taylor  <iant@google.com>
12345
12346         * symtab.h (Symbol::use_plt_offset): New function.
12347         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12348         * powerpc.cc (Relocate::relocate): Likewise.
12349         * sparc.cc (Relocate::relocate): Likewise.
12350         * x86_64.cc (Relocate::relocate): Likewise.
12351         * testsuite/weak_plt.sh: New test.
12352         * testsuite/weak_plt_main.cc: New test.
12353         * testsuite/weak_plt_shared.cc: New test.
12354         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12355         (check_PROGRAMS): Add weak_plt.
12356         (check_DATA): Add weak_plt_shared.so.
12357         (weak_plt_main_pic.o, weak_plt): New targets.
12358         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12359         * testsuite/Makefile.in: Rebuild.
12360
12361         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12362         gcctestdir/ld.
12363         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12364         * testsuite/Makefile.in: Rebuild.
12365
12366 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12367
12368         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12369         * Makefile.in: Regenerate.
12370         * po/POTFILES.in: Regenerate.
12371
12372 2008-07-29  Ian Lance Taylor  <iant@google.com>
12373
12374         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12375         symbols before other symbols.
12376         * testsuite/script_test_2.cc (test_addr): Declare.
12377         (test_addr_alias): Declare.
12378         (main): Check that test_addr and test_addr_alias have the right
12379         values.
12380         * testsuite/script_test_2.t: Define test_addr_alias and
12381         test_addr.
12382
12383 2008-07-24  Ian Lance Taylor  <iant@google.com>
12384
12385         PR 5990
12386         * descriptors.cc: New file.
12387         * descriptors.h: New file.
12388         * gold-threads.h (class Hold_optional_lock): New class.
12389         * fileread.cc: Include "descriptors.h".
12390         (File_read::~File_read): Release descriptor rather than closing
12391         it.
12392         (File_read::open) [file]: Call open_descriptor rather than open.
12393         Set is_descriptor_opened_.
12394         (File_read::open) [memory]: Assert that descriptor is not open.
12395         (File_read::reopen_descriptor): New function.
12396         (File_read::release): Release descriptor.
12397         (File_read::do_read): Make non-const.  Reopen descriptor.
12398         (File_read::read): Make non-const.
12399         (File_read::make_view): Reopen descriptor.
12400         (File_read::do_readv): Likewise.
12401         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12402         Update declarations.
12403         * layout.cc: Include "descriptors.h".
12404         (Layout::create_build_id): Use open_descriptor rather than open.
12405         * output.cc: Include "descriptors.h".
12406         (Output_file::open): Use open_descriptor rather than open.
12407         * archive.cc (Archive::const_iterator): Change Archive to be
12408         non-const.
12409         (Archive::begin, Archive::end): Make non-const.
12410         (Archive::count_members): Likewise.
12411         * archive.h (class Archive): Update declarations.
12412         * object.h (Object::read): Make non-const.
12413         * Makefile.am (CCFILES): Add descriptors.cc.
12414         (HFILES): Add descriptors.h.
12415         * Makefile.in: Rebuild.
12416
12417         PR 6716
12418         * gold.h: Always include <clocale>.  Add Solaris workarounds
12419         following code in binutils/sysdep.h.
12420
12421         PR 6048
12422         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12423         this->eh_frame_hdr_ is NULL before using it.
12424
12425         * dynobj.cc (Versions::Versions): Update comment.
12426
12427         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12428         the base version name.
12429
12430         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12431         array size plus one.
12432         (Stringpool_template::set_string_offsets): Subtract one from key
12433         before using it as an array index.
12434         (Stringpool_template::get_offset_with_length): Likewise.
12435         (Stringpool_template::write_to_buffer): Likewise.
12436         * stringpool.h (Stringpool_template::get_offset_from_key):
12437         Likewise.
12438
12439 2008-07-23  Ian Lance Taylor  <iant@google.com>
12440
12441         PR 6658
12442         * object.h (Merged_symbol_value::value): Do our best to handle a
12443         negative addend.
12444
12445         PR 6647
12446         * script.cc (Version_script_info::get_versions): Don't add empty
12447         version tag to return value.
12448         (Version_script_info::get_symbol_version_helper): Change return
12449         type to bool.  Add pversion parameter.  Change all callers.
12450         (script_register_vers_node): Don't require a non-NULL tag.
12451         * script.h (class Version_script_info): Update declarations.
12452         (Version_script_info::get_symbol_version): Change return type to
12453         bool.  Add version parameter.  Change all callers.
12454         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12455         handling.  Handle an empty version from a version script.
12456         (Symbol_table::define_special_symbol): Likewise.
12457         * testsuite/ver_test_10.script: New file.
12458         * testsuite/ver_test_10.sh: New file.
12459         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12460         (check_DATA): Add ver_test_10.syms.
12461         (ver_test_10.syms, ver_test_10.so): New target.
12462         * testsuite/Makefile.in: Rebuild.
12463
12464 2008-07-23  Simon Baldwin  <simonb@google.com>
12465
12466         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12467         to zero for undefined symbols from dynamic libraries.
12468
12469 2008-07-23  Ian Lance Taylor  <iant@google.com>
12470
12471         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12472         Change all callers.
12473         * symtab.h (class Symbol_table): Update declaration.
12474         * testsuite/ver_test_9.cc: New file.
12475         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12476         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12477         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12478         (ver_test_9.so, ver_test_9.o): New targets.
12479         * testsuite/Makefile.in: Rebuild.
12480
12481 2008-07-22  Ian Lance Taylor  <iant@google.com>
12482
12483         * options.h (class General_options): Define --check-sections.
12484         * layout.cc (Layout::set_segment_offsets): Handle
12485         --check-sections.
12486
12487         * options.h (class General_options): Define -n/--nmagic and
12488         -N/--omagic.
12489         * options.cc (General_options::finalize): For -n/--nmagic or
12490         -N/--omagic, set -static.
12491         * layout.cc (Layout::attach_allocated_section_to_segment): If
12492         -N/--omagic, don't put read-only and read-write sections in
12493         different segments.
12494         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12495         finding a read-only segment.
12496         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12497         don't set the minimum segment alignment to the common page size,
12498         and don't set the file offset to the address modulo the page size.
12499         * script-sections.cc (Script_sections::create_segments): If
12500         -n/--omagic, don't put read-only and read-write sections in
12501         different segments.
12502
12503         * cref.cc: New file.
12504         * cref.h: New file.
12505         * options.h (class General_options): Add --print-symbol-counts.
12506         * main.cc (main): Issue defined symbol report if requested.
12507         * archive.cc (Archive::interpret_header): Make into a const member
12508         function.
12509         (Archive::add_symbols): Call Input_objects::archive_start and
12510         archive_stop.
12511         (Archive::const_iterator): Define new class.
12512         (Archive::begin, Archive::end): New functions.
12513         (Archive::include_all_members): Rewrite to use iterator.
12514         (Archive::count_members): New function.
12515         * archive.h (class Archive): Update declarations.
12516         (Archive::filename): New function.
12517         * object.cc: Include "cref.h".
12518         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12519         (Sized_relobj::do_get_global_symbol_counts): New function.
12520         (Input_objects::add_object): Add object to cross-referencer.
12521         (Input_objects::archive_start): New function.
12522         (Input_objects::archive_stop): New function.
12523         (Input_objects::print_symbol_counts): New function.
12524         * object.h: Declare Cref and Archive.
12525         (Object::get_global_symbol_counts): New function.
12526         (Object::do_get_global_symbol_counts): New pure virtual function.
12527         (class Sized_relobj): Add defined_count_ field.  Update
12528         declarations.
12529         (class Input_objects): Add cref_ field.  Update constructor.
12530         Update declarations.
12531         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12532         defined_count_.
12533         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12534         symbol counts.
12535         (Sized_dynobj::do_get_global_symbol_counts): New function.
12536         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12537         defined_count_.  Update declarations.  Define Symbols typedef.
12538         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12539         parameter.  Change all callers.
12540         (Symbol_table::add_from_dynobj): Add sympointers and defined
12541         parameters.  Change all callers.
12542         * symtab.h (class Symbol_table): Update declarations.
12543         * Makefile.am (CCFILES): Add cref.cc.
12544         (HFILES): Add cref.h.
12545         * Makefile.in: Rebuild.
12546
12547 2008-07-22  Simon Baldwin  <simonb@google.com>
12548
12549         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12550         to zero when writing undefined symbols.
12551
12552 2008-07-22  Ian Lance Taylor  <iant@google.com>
12553
12554         * output.cc (Output_section::add_input_section): Don't try to
12555         merge empty merge sections.
12556
12557 2008-07-21  Craig Silverstein  <csilvers@google.com>
12558
12559         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12560         Include symbol version in error message.
12561
12562 2008-07-20  Chris Demetriou  <cgd@google.com>
12563
12564         * configure.ac (gold_cv_c_random_seed): New configured variable.
12565         (RANDOM_SEED_CFLAGS): New substituted variable.
12566         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12567         * configure: Rebuild.
12568         * Makefile.in: Likewise.
12569         * testsuite/Makefile.in: Likewise.
12570
12571 2008-07-18  Ian Lance Taylor  <iant@google.com>
12572
12573         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12574         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12575         * testsuite/ver_test_main.cc (main): Call t4.
12576         (t4, t4_2a): Define.
12577         * testsuite/ver_test_2.cc (t4_2): Define.
12578         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12579         * testsuite/ver_test_4.cc (t4_2a): Define.
12580         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12581         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12582
12583 2008-07-17  Ian Lance Taylor  <iant@google.com>
12584
12585         * dynobj.cc (Versions::add_def): If we give an error about a
12586         missing version, go ahead and create the version anyhow.
12587
12588 2008-07-10  Ian Lance Taylor  <iant@google.com>
12589
12590         Handle output sections with more than 0x7fffffff bytes.
12591         * object.h (class Relobj): Change map_to_output_ to
12592         output_sections_, and just keep a section pointer.  Change all
12593         uses.  Move comdat group support to Sized_relobj.
12594         (Relobj::is_section_specially_mapped): Remove.
12595         (Relobj::output_section): Remove poff parameter.  Change all
12596         callers.
12597         (Relobj::output_section_offset): New function.
12598         (Relobj::set_section_offset): Rewrite.
12599         (Relobj::map_to_output): Remove.
12600         (Relobj::output_sections): New function.
12601         (Relobj::do_output_section_offset): New pure virtual function.
12602         (Relobj::do_set_section_offset): Likewise.
12603         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12604         group support from Relobj.  Update declarations.
12605         (Sized_relobj::get_output_section_offset): New function.
12606         (Sized_relobj::do_output_section_offset): New function.
12607         (Sized_relobj::do_set_section_offset): New function.
12608         * object.cc (Relobj::output_section_address): Remove.
12609         (Sized_relobj::Sized_relobj): Initialize new fields.
12610         (Sized_relobj::include_section_group): Cast find_kept_object to
12611         Sized_relobj.
12612         (Sized_relobj::include_linkonce_section): Likewise.
12613         (Sized_relobj::do_layout): Use separate arrays for output section
12614         and output offset.
12615         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12616         output_sections.
12617         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12618         output_sections and section_offsets.
12619         (Sized_relobj::write_local_symbols): Likewise.
12620         (map_to_kept_section): Compute output address directly.
12621         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12622         output_sections and section_offsets.
12623         (Sized_relobj::write_sections): Likewise.
12624         (Sized_relobj::relocate_sections): Likewise.
12625         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12626         * output.h (class Output_reloc): Update declarations.  Change
12627         u2_.relobj to Sized_relobj*.
12628         (class Output_data_reloc): Change add functions to use
12629         Sized_relobj*.
12630         * output.cc (Output_reloc::Output_reloc): Change relobj to
12631         Sized_relobj*.
12632         (Output_reloc::local_section_offset): Change return type to
12633         Elf_Addr.  Use get_output_section_offset.
12634         (Output_reloc::get_address): Likewise.
12635         (Output_section::is_input_address_mapped): Don't call
12636         is_section_specially_mapped.
12637         (Output_section::output_offset): Likewise.
12638         (Output_section::output_address): Likewise.
12639         (Output_section::starting_output_address): Likewise.
12640         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12641         parameter to Sized_relobj*.
12642         (Copy_relocs::need_copy_reloc): Likewise.
12643         (Copy_relocs::save): Likewise.
12644         * copy-relocs.h (class Copy_relocs): Update declarations.
12645         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12646         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12647         * target-reloc.h (relocate_for_relocatable): Change
12648         offset_in_output_section type to Elf_Addr.  Change code that uses
12649         it as well.
12650         * layout.cc (Layout::layout): Always set *off.
12651         * mapfile.cc (Mapfile::print_input_section): Use
12652         output_section_offset.
12653         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12654         Sized_relobj*.
12655         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12656         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12657         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12658
12659 2008-07-03  Ian Lance Taylor  <iant@google.com>
12660
12661         * layout.cc (Layout::include_section): Do not discard unrecognized
12662         SHT_STRTAB sections.
12663
12664 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12665
12666         * script.cc (Lex::can_continue_name): Make '?' allowable in
12667         version-script names.
12668         * testsuite/version_script.map: Change glob pattern to use '?'
12669
12670 2008-06-30  Manish Singh  <yosh@gimp.org>
12671
12672         PR 6585
12673         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12674         Correct typo.
12675
12676 2008-06-30  Ian Lance Taylor  <iant@google.com>
12677
12678         PR 6660
12679         PR 6682
12680         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12681         versions]: Don't try to read the value in the contents, since we
12682         don't use it.  Use the template endianness when writing.
12683
12684 2008-06-25  Cary Coutant  <ccoutant@google.com>
12685
12686         * fileread.cc (File_read::make_view): Assert on zero-length view.
12687         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12688         symbol table when there are no symbols to read.
12689
12690 2008-06-23  Craig Silverstein  <csilvers@google.com>
12691
12692         * version.cc (version_string): Bump to 1.7
12693
12694 2008-06-18  Craig Silverstein  <csilvers@google.com>
12695
12696         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12697         constant 0xFFFF to type Valtype.
12698         (Powerpc_relocate_functions::rel16_ha): Likewise.
12699
12700 2008-06-17  Ian Lance Taylor  <iant@google.com>
12701
12702         * output.h (Output_section::Input_section): Initialize p2align_ to
12703         zero for Output_section_data constructors.
12704         (Output_section::Input_section::addralign): If not an input
12705         section, return the alignment of the Output_section_data.
12706         * testsuite/copy_test.cc: New file.
12707         * testsuite/copy_test_1.cc: New file.
12708         * testsuite/copy_test_2.cc: New file.
12709         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12710         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12711         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12712         (copy_test_1_pic.o, copy_test_1.so): New targets.
12713         (copy_test_2_pic.o, copy_test_2.so): New targets.
12714         * testsuite/Makefile.in: Rebuild.
12715
12716         * script-sections.cc (Script_sections::place_orphan): Initialize
12717         local variable exact.
12718
12719 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12720
12721         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12722
12723 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12724             David S. Miller  <davem@davemloft.net>
12725
12726         * powerpc.cc: New file.
12727         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12728         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12729         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12730         * Makefile.in: Rebuild.
12731
12732 2008-06-09  Ian Lance Taylor  <iant@google.com>
12733
12734         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12735         <exception>.
12736         (throwing, orig_terminate): New static variables.
12737         (terminate_handler): New static function.
12738         (t2): Set terminate handler.
12739
12740 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12741
12742         PR 6584
12743         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12744         alignment.
12745
12746 2008-05-30  Cary Coutant  <ccoutant@google.com>
12747
12748         * archive.cc (Archive::include_all_members) Correct to step
12749         over symbol table and extended name table in thin archives.
12750
12751 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12752
12753         PR 6407
12754         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12755         calculation.
12756
12757 2008-05-28  Caleb Howe  <cshowe@google.com>
12758
12759         * reduced_debug_output.cc: New file.
12760         * reduced_debug_output.h: New file.
12761         * options.h (class General_options): Add --strip-debug-non-line.
12762         * options.cc (General_options::finalize): Add strip_debug_non_line
12763         to the strip heirarchy.
12764         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12765         fields.
12766         * layout.cc: Include "reduced_debug_output.h".
12767         (Layout::Layout): Initialize new fields.
12768         (line_only_debug_sections): New static array.
12769         (is_lines_only_debug_sections): New static inline function.
12770         (Layout::include_section): Handle --strip-debug-non-line.
12771         (Layout::make_output_section): If --strip-debug-non-line, build
12772         new output sections for .debug_abbrev and .debug_info.
12773         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12774         gold.  Warn about possible overflow.
12775         (read_signed_LEB_128): Likewise.
12776         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12777         (read_signed_LEB_128): Declare.
12778         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12779         (HFILES): Add reduced_debug_output.h.
12780         * Makefile.in: Rebuild.
12781
12782 2008-05-21  Ian Lance Taylor  <iant@google.com>
12783
12784         * mapfile.cc: New file.
12785         * mapfile.h: New file.
12786         * options.h (class General_options): Add -M/--print-map and -Map.
12787         * options.cc (General_options::finalize): Make -M equivalent to
12788         -Map -.
12789         * main.cc: Include <cstdio> and "mapfile.h".
12790         (main): Open mapfile if requested.
12791         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12792         constructor.  Change caller.
12793         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12794         (queue_middle_tasks): Likewise.
12795         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12796         declarations.
12797         * archive.cc: Include "mapfile.h".
12798         (Archive::add_symbols): Add mapfile parameter.  Change all
12799         callers.  Pass mapfile, symbol, and reason to include_member.
12800         (Archive::include_all_members): Add mapfile parameter.  Change all
12801         callers.
12802         (Archive::include_member): Add mapfile, sym, and why parameters.
12803         Change all callers.  Report inclusion to map file.
12804         * archive.h: Include "fileread.h".
12805         (class Archive): Update declarations.
12806         (Archive::file): New const method.
12807         (class Add_archive_symbols): Add mapfile_ field.  Update
12808         constructor.  Change all callers.
12809         * readsyms.h (class Read_symbols): Likewise.
12810         (class Finish_group): Likewise.
12811         (class Read_script): Likewise.
12812         * common.cc: Include "mapfile.h".
12813         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12814         all callers.
12815         (Symbol_table::do_allocate_commons): Likewise.
12816         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12817         symbol allocation to mapfile.
12818         * common.h (class Allocate_commons_task): Add mapfile_ field.
12819         Update constructor.  Change all callers.
12820         * symtab.h (class Symbol_table): Update declarations.
12821         * layout.cc: Include "mapfile.h".
12822         (Layout_task_runner::run): Print information to mapfile.
12823         (Layout::create_gold_note): Change Output_data_fixed_space to
12824         Output_data_zero_fill.
12825         (Layout::create_build_id): Likewise.
12826         (Layout::print_to_mapfile): New function.
12827         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12828         constructor.  Change caller.
12829         (class Layout): Declare print_to_mapfile.
12830         * output.cc (Output_section::Input_section::print_to_mapfile): New
12831         function.
12832         (Output_section::add_input_section): If producing a map, always
12833         add to input_sections_ list.
12834         (Output_section::do_print_to_mapfile): New function.
12835         (Output_segment::print_sections_to_mapfile): New function.
12836         (Output_segment::print_section_list_to_mapfile): New function.
12837         * output.h: Include "mapfile.h".
12838         (Output_data::print_to_mapfile): New function.
12839         (Output_data::do_print_to_mapfile): New virtual function.
12840         (Output_segment_headers::do_print_to_mapfile): New function.
12841         (Output_file_header::do_print_to_mapfile): New function.
12842         (Output_data_const::do_print_to_mapfile): New function.
12843         (class Output_data_const_buffer): Add map_name_ field.  Update
12844         constructor.  Change all callers.  Add do_print_to_mapfile
12845         function.
12846         (class Output_data_fixed_space): Likewise.
12847         (class Output_data_space): Likewise.
12848         (class Output_data_zero_fill): New class.
12849         (Output_data_strtab::do_print_to_mapfile): New function.
12850         (Output_data_reloc_base::do_print_to_mapfile): New function.
12851         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12852         (Output_data_group::do_print_to_mapfile): New function.
12853         (Output_data_got::do_print_to_mapfile): New function.
12854         (Output_data_dynamic::do_print_to_mapfile): New function.
12855         (Output_symtab_xindex::do_print_to_mapfile): New function.
12856         (class Output_section): Declare do_print_to_mapflie.  Declare
12857         print_to_mapfile in Input_section.
12858         (class Output_segment): Declare new functions.
12859         * object.h (Sized_relobj::symbol_count): New function.
12860         * script-sections.cc
12861         (Output_section_element_dot_assignment::set_section_addresses):
12862         Change Output_data_fixed_space to Output_data_zero_fill.
12863         (Output_data_expression::do_print_to_mapfile): New function.
12864         * script.cc (read_input_script): Add mapfile parameter.  Change
12865         all callers.
12866         * script.h (read_input_script): Update declaration.
12867         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12868         (Eh_frame::do_print_to_mapfile): New function.
12869         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12870         (Output_merge_string::do_print_to_mapfile): New function.
12871         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12872         function.
12873         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12874         function.
12875         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12876         function.
12877         * Makefile.am (CCFILES): Add mapfile.cc.
12878         (HFILES): Add mapfile.h.
12879         * Makefile.in: Rebuild.
12880
12881 2008-05-19  Ian Lance Taylor  <iant@google.com>
12882
12883         * options.h (class General_options): Add -z relro.
12884         * layout.cc (Layout::Layout): Initialize relro_segment_.
12885         (Layout::add_output_section_data): Return the output section.
12886         (Layout::make_output_section): Rcognize relro sections and mark
12887         them appropriately.
12888         (Layout::attach_allocated_section_to_segment): Put relro sections
12889         in a PT_GNU_RELRO segment.
12890         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12891         section as relro.
12892         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12893         PT_TLS segments.
12894         (Layout::linkonce_mapping): Map d.rel.ro.local to
12895         .data.rel.ro.local.
12896         (Layout::output_section_name): Us .data.rel.ro.local for any
12897         section which begins with that.
12898         * layout.h (class Layout): Update add_output_section_data
12899         declaration.  Add relro_segment_ field.
12900         * output.cc (Output_section::Output_section): Initialize is_relro_
12901         and is_relro_local_ fields.
12902         (Output_segment::add_output_section): Group relro sections.
12903         (Output_segment::is_first_section_relro): New function.
12904         (Output_segment::maximum_alignment): If there is a relro section,
12905         align the segment to the common page size.
12906         (Output_segment::set_section_addresses): Track whether we are
12907         looking at relro sections.  If the last section is a relro
12908         section, align to the common page size.
12909         (Output_segment::set_section_list_addresses): Add in_relro
12910         parameter.  Change all callers.  Align to the page size when
12911         moving from relro to non-relro section.
12912         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12913         segment.
12914         * output.h (class Output_section): Add is_relro_ and
12915         is_relro_local_ fields.
12916         (Output_section::is_relro): New function.
12917         (Output_section::set_is_relro): New function.
12918         (Output_section::is_relro_local): New function.
12919         (Output_section::set_is_relro_local): New function.
12920         (class Output_segment): Update declarations.
12921         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12922         * sparc.cc (Target_sparc::got_section): Likewise.
12923         * x86_64.cc (Target_x86_64::got_section): Likewise.
12924         * testsuite/relro_test_main.cc: New file.
12925         * testsuite/relro_test.cc: New file.
12926         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12927         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12928         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12929         (relro_test.so, relro_test_pic.o): New targets.
12930         * testsuite/Makefile.in: Rebuild.
12931
12932 2008-05-16  Ian Lance Taylor  <iant@google.com>
12933
12934         * output.cc (Output_segment::add_output_section): Remove front
12935         parameter.
12936         * output.h (class Output_segment): Remove
12937         add_initial_output_section and overloaded add_output_section.
12938         Update declaration of remaining add_output_section.
12939         * layout.cc (Layout::create_interp): Call add_output_section
12940         rather than add_initial_output_section.
12941         (Layout::finish_dynamic_section): Likewise.
12942
12943         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12944         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12945         know the dynamic type.
12946         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12947         field.  Initialize it in constructor.
12948         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12949         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12950         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12951         reloc.
12952
12953         * output.cc (Output_reloc::get_address): Change return type to
12954         Elf_Addr.
12955         * output.h (class Output_reloc): Update get_address declaration.
12956         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12957         for section addresses.
12958
12959 2008-05-09  Ian Lance Taylor  <iant@google.com>
12960
12961         PR 6493
12962         * gold.cc (gold_nomem): Use return value of write.
12963
12964 2008-05-08  Ian Lance Taylor  <iant@google.com>
12965
12966         * symtab.c (Symbol::init_base_output_data): Add version
12967         parameter.  Change all callers.
12968         (Symbol::init_base_output_segment): Likewise.
12969         (Symbol::init_base_constant): Likewise.
12970         (Symbol::init_base_undefined): Likewise.
12971         (Sized_symbol::init_output_data): Likewise.
12972         (Sized_symbol::init_output_segment): Likewise.
12973         (Sized_symbol::init_constant): Likewise.
12974         (Sized_symbol::init_undefined): Likewise.
12975         (Symbol_table::do_define_in_output_data): If the new symbol has a
12976         version, mark it as the default.
12977         (Symbol_table::do_define_in_output_segment): Likewise.
12978         (Symbol_table::do_define_as_constant): Likewise.
12979         * symtab.h (class Symbol): Update declarations.
12980         (class Sized_symbol): Likewise.
12981         * resolve.cc (Symbol::override_version): New function.
12982         (Symbol::override_base): Call override_version.
12983         (Symbol::override_base_with_special): Likewise.
12984         * testsuite/ver_script_8.script: New file.
12985         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12986         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12987         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12988         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12989
12990 2008-05-06  Ian Lance Taylor  <iant@google.com>
12991
12992         PR 6049
12993         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12994         functions.
12995         (class General_options): Remove existing --undefined, and add
12996         --no-undefined instead.  Add new --undefined as synonym for -u.
12997         * archive.cc (Archive::add_symbols): Check whether symbol was
12998         named with -u.
12999         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13000         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13001         all uses.  Add IS_UNDEFINED.  Update declarations to split
13002         different versions of init_base.  Declare init_base_undefined.
13003         (Symbol::is_defined): Handle IS_UNDEFINED.
13004         (Symbol::is_undefined): Likewise.
13005         (Symbol::is_weak_undefined): Call is_undefined.
13006         (Symbol::is_absolute): Handle IS_CONSTANT.
13007         (class Sized_symbol): Update declarations to split different
13008         versions of init.  Declare init_undefined.
13009         (class Symbol_table): Declare new functions.
13010         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13011         Change all callers.
13012         (Symbol::init_base_output_data): Likewise.
13013         (Symbol::init_base_output_segment): Likewise.
13014         (Symbol::init_base_constant): Likewise.
13015         (Symbol::init_base_undefined): New function.
13016         (Sized_symbol::init_object): Rename from init.  Change all
13017         callers.
13018         (Sized_symbol::init_output_data): Likewise.
13019         (Sized_symbol::init_output_segment): Likewise.
13020         (Sized_symbol::init_constant): Likewise.
13021         (Sized_symbol::init_undefined): New function.
13022         (Symbol_table::add_undefined_symbols_from_command_line): New
13023         function.
13024         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13025         function.
13026         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13027         (Symbol::output_section): Likewise.
13028         (Symbol::set_output_section): Likewise.
13029         (Symbol_table::sized_finalize_symbol): Likewise.
13030         (Symbol_table::sized_write_globals): Likewise.
13031         * resolve.cc (Symbol_table::should_override): Likewise.
13032         (Symbol::override_base_with_special): Likewise.
13033
13034         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13035         symbol, change it to have default visibility.
13036         * testsuite/protected_1.cc: New file.
13037         * testsuite/protected_2.cc: New file.
13038         * testsuite/protected_3.cc: New file.
13039         * testsuite/protected_main_1.cc: New file.
13040         * testsuite/protected_main_2.cc: New file.
13041         * testsuite/protected_main_3.cc: New file.
13042         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13043         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13044         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13045         (protected_1.so): New target.
13046         (protected_1_pic.o, protected_2_pic.o): New targets.
13047         (protected_3_pic.o): New target.
13048         (check_PROGRAMS): Add protected_2.
13049         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13050         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13051         * testsuite/Makefile.in: Rebuild.
13052
13053         * options.h (DEFINE_var): Add set_user_set_##varname__.
13054         (DEFINE_bool_alias): New macro.
13055         (class General_options): Define -Bstatic using DEFINE_bool_alias
13056         rather than DEFINE_special.  Add --undefined as an alias for -z
13057         defs.
13058         * options.cc (General_options::parse_Bstatic): Remove.
13059
13060         * options.h (class General_options): Add --fatal-warnings.
13061         * main.cc (main): Implement --fatal-warnings.
13062         * errors.h (Errors::warning_count): New function.
13063
13064         * options.h (class General_options): Add -Bsymbolic-functions.
13065         * symtab.h (Symbol::is_preemptible): Check for
13066         -Bsymbolic-functions.
13067
13068 2008-05-05  Ian Lance Taylor  <iant@google.com>
13069
13070         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13071         as noVARNAME rather than no-VARNAME.
13072         (class General_options): Add option -z combreloc.
13073         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13074         get_address.
13075         (Output_reloc::sort_before) [SHT_REL]: New function.
13076         (Output_reloc::sort_before) [SHT_RELA]: New function.
13077         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13078         Sort_relocs_comparison.
13079         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13080         parameter.  Change all callers.
13081         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13082         sort_relocs parameter.  Change all callers.
13083         * output.cc (Output_reloc::get_address): New function, broken out
13084         of write_rel.
13085         (Output_reloc::write_rel): Call it.
13086         (Output_reloc::compare): New function.
13087         (Output_data_reloc_base::do_write): Optionally sort relocs.
13088
13089         * configure.ac: If targ_extra_obj is set, link it in.
13090         * configure.tgt: Initialize all variables.
13091         (x86_64*): Set targ_extra_obj and targ_extra_size.
13092         * configure: Rebuild.
13093
13094         * object.cc (Sized_relobj::include_section_group): Adjust section
13095         indexes read from group data.  Build vector to pass to
13096         layout_group.
13097         * layout.cc (Layout::layout_group): Add flags and shndxes
13098         parameters.  Remove contents parameter.  Change caller.  Update
13099         explicit instantiations.
13100         * layout.h (class Layout): Update layout_group declaration.
13101         * output.cc (Output_data_group::Output_data_group): Add flags and
13102         input_shndxes parameters.  Remove contents parameter.  Change
13103         caller.
13104         (Output_data_group::do_write): Change input_sections_ to
13105         input_shndxes_.
13106         * output.h (class Output_data_group): Update constructor
13107         declaration.  Rename input_sections_ to input_shndxes_.
13108         * testsuite/many_sections_test.cc: Add template.
13109
13110 2008-04-30  Cary Coutant  <ccoutant@google.com>
13111
13112         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13113
13114         * layout.cc (Layout::include_section): Refactored check for debug
13115         info section.
13116         (Layout::add_comdat): Add new parameters.  Change type
13117         of signature parameter.  Add object and shndx to signatures table.
13118         (Layout::find_kept_object): New function.
13119         * layout.h: Include <cstring>.
13120         (Layout::is_debug_info_section): New function.
13121         (Layout::add_comdat): Add new parameters.
13122         (Layout::find_kept_object): New function.
13123         (Layout::Kept_section): New struct.
13124         (Layout::Signatures): Change type of map range.
13125         * object.cc (Relobj::output_section_address): New function.
13126         (Sized_relobj::include_section_group): Add new parameters.  Change
13127         calls to Layout::add_comdat.  Change to build table of kept comdat
13128         groups and table mapping discarded sections to kept sections.
13129         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13130         (Sized_relobj::do_layout): Change calls to include_section_group and
13131         include_linkonce_section.
13132         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13133         value to zero when section is discarded.
13134         (Sized_relobj::map_to_kept_section): New function.
13135         * object.h (Relobj::output_section_address): New function.
13136         (Relobj::Comdat_group): New type.
13137         (Relobj::find_comdat_group): New function.
13138         (Relobj::Comdat_group_table): New type.
13139         (Relobj::Kept_comdat_section): New type.
13140         (Relobj::Kept_comdat_section_table): New type.
13141         (Relobj::add_comdat_group): New function.
13142         (Relobj::set_kept_comdat_section): New function.
13143         (Relobj::get_kept_comdat_section): New function.
13144         (Relobj::comdat_groups_): New field.
13145         (Relobj::kept_comdat_sections_): New field.
13146         (Symbol_value::input_value): Update comment.
13147         (Sized_relobj::map_to_kept_section) New function.
13148         (Sized_relobj::include_linkonce_section): Add new parameter.
13149         * target-reloc.h (Comdat_behavior): New type.
13150         (get_comdat_behavior): New function.
13151         (relocate_section): Add code to map a discarded section to the
13152         corresponding kept section when applying a relocation.
13153
13154 2008-04-30  Craig Silverstein  <csilvers@google.com>
13155
13156         * dwarf_reader.cc (next_generation_count): New static var.
13157         (Addr2line_cache_entry): New struct.
13158         (addr2line_cache): New static var.
13159         (Dwarf_line_info::one_addr2line): Added caching.
13160         (Dwarf_line_info::clear_addr2line_cache): New function.
13161         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13162         cache-size parameter.
13163         (Dwarf_line_info::one_addr2line_cache): New function.
13164         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13165         new cache-size argument to one_addr2line(), and clear cache.
13166
13167 2008-04-28  Cary Coutant  <ccoutant@google.com>
13168
13169         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13170         R_386_PC8 relocations.
13171
13172 2008-04-23  Ian Lance Taylor  <iant@google.com>
13173
13174         * object.cc (Sized_relobj::include_section_group): Check for
13175         invalid section group.
13176
13177         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13178         header size.
13179
13180         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13181         than read for file header.
13182         * archive.cc (Archive::include_member): Likewise.
13183
13184 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13185
13186         * aclocal.m4: Regenerate.
13187         * configure: Regenerate.
13188
13189 2008-04-19  Ian Lance Taylor  <iant@google.com>
13190
13191         * version.cc (version_string): Bump to 1.6.
13192
13193         * testsuite/Makefile.am (many_sections_r_test): New target.
13194         (many_sections_r_test_SOURCES): Remove.
13195         (many_sections_r_test_DEPENDENCIES): Remove.
13196         (many_sections_r_test_LDFLAGS): Remove.
13197         (many_sections_r_test_LDADD): Remove.
13198
13199         * object.cc (Sized_relobj::do_add_symbols): Always pass
13200         local_symbol_count_ to add_from_relobj.
13201
13202         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13203         every thousand variables.
13204         * testsuite/Makefile.in: Rebuild.
13205
13206         * object.cc (Xindex::initialize_symtab_xindex): New function.
13207         (Xindex::read_symtab_xindex): New function.
13208         (Xindex::sym_xindex_to_shndx): New function.
13209         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13210         available.
13211         (Sized_relobj::do_initialize_xindex): New function.
13212         (Sized_relobj::do_read_symbols): Adjust section links.
13213         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13214         parameter.  Change all callers.
13215         (Sized_relobj::include_section_group): Adjust section links and
13216         symbol section indexes.
13217         (Sized_relobj::do_layout): Adjust section links.
13218         (Sized_relobj::do_count_local_symbols): Adjust section links and
13219         symbol section indexes.
13220         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13221         ordinary and special symbols.
13222         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13223         dynsym_xindex parameters.  Change all callers.  Adjust section
13224         links.  Use SHN_XINDEX when needed.
13225         (Sized_relobj::get_symbol_location_info): Adjust section links.
13226         Don't get fooled by special symbols.
13227         * object.h (class Xindex): Define.
13228         (class Object): Add xindex_ parameter.  Declare virtual functoin
13229         do_initialize_xindex.
13230         (Object::adjust_sym_shndx): New function.
13231         (Object::set_xindex): New protected function.
13232         (class Symbol_value): Add is_ordinary_shndx_ field.
13233         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13234         (Symbol_value::value): Assert ordinary section.
13235         (Symbol_value::initialize_input_to_output_map): Likewise.
13236         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13237         Change all callers.
13238         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13239         all callers.
13240         (class Sized_relobj): Update declarations.
13241         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13242         parameter.  Change all callers.
13243         (Sized_relobj::adjust_shndx): New function.
13244         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13245         field.
13246         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13247         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13248         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13249         (Sized_dynobj::read_dynsym_section): Adjust section links.
13250         (Sized_dynobj::read_dynamic): Likewise.
13251         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13252         section links.
13253         (Sized_dynobj::do_initialize_xindex): New function.
13254         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13255         do_initialize_xindex.
13256         (Sized_dynobj::adjust_shndx): New function.
13257         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13258         dynsym_xindex_ fields.
13259         (Layout::finalize): Add a call to set_section_indexes before
13260         creating the symtab sections.
13261         (Layout::set_section_indexes): Don't do anything if the section
13262         already has a section index.
13263         (Layout::create_symtab_sections): Add shnum parameter.  Change
13264         caller.  Create .symtab_shndx section if needed.
13265         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13266         caller.
13267         (Layout::allocated_output_section_count): New function.
13268         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13269         needed.
13270         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13271         fields.  Update declarations.
13272         (Layout::symtab_xindex): New function.
13273         (Layout::dynsym_xindex): New function.
13274         (class Write_symbols_task): Add layout_ field.
13275         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13276         Change caller.
13277         * output.cc (Output_section_headers::Output_section_headers): Add
13278         shstrtab_section parameter.  Change all callers.
13279         (Output_section_headers::do_sized_write): Store overflow values
13280         for section count and section string table section index in
13281         section header zero.
13282         (Output_file_header::do_sized_write): Check for overflow of
13283         section count and section string table section index.
13284         (Output_symtab_xindex::do_write): New function.
13285         (Output_symtab_xindex::endian_do_write): New function.
13286         * output.h (class Output_section_headers): Add shstrtab_section_.
13287         Update declarations.
13288         (class Output_symtab_xindex): Define.
13289         (Output_section::has_out_shndx): New function.
13290         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13291         field.
13292         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13293         Change all callers.
13294         (Sized_symbol::init): Likewise.
13295         (Symbol::output_section): Check for ordinary symbol.
13296         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13297         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13298         callers.
13299         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13300         Change all callers.  Simplify handling of symbols from sections
13301         not included in the link.
13302         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13303         distinction.
13304         (Weak_alias_sorter::operator()): Assert that symbols are
13305         ordinary.
13306         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13307         distinction.
13308         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13309         parameters.  Change all callers.
13310         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13311         symbol distinction.  Use SHN_XINDEX when needed.
13312         (Symbol_table::write_section_symbol): Add symtab_xindex
13313         parameter.  Change all callers.
13314         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13315         SHN_XINDEX when needed.
13316         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13317         declarations.
13318         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13319         (Symbol::is_defined): Check is_ordinary.
13320         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13321         (Symbol::is_absolute, Symbol::is_common): Likewise.
13322         (class Sized_symbol): Update declarations.
13323         (class Symbol_table): Update declarations.
13324         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13325         parameters.  Change all callers.
13326         (Sized_symbol::override): Likewise.
13327         (Symbol_table::override): Likewise.
13328         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13329         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13330         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13331         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13332         to be in an ordinary section.
13333         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13334         object and is_ordinary parameters.  Change all callers.
13335         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13336         Change all callers.  Don't add undefined or non-ordinary symbols
13337         to reloc_map_.
13338         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13339         Change all callers.
13340         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13341         declarations.
13342         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13343         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13344         (Sized_relobj::relocate_sections): Likewise.
13345         * target-reloc.h (scan_relocs): Adjust section symbol index.
13346         (scan_relocatable_relocs): Likewise.
13347         * i386.cc (Scan::local): Check for ordinary symbols.
13348         * sparc.cc (Scan::local): Likewise.
13349         * x86_64.cc (Scan::local): Likewise.
13350         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13351         to symbol_section_and_value.
13352         * testsuite/many_sections_test.cc: New file.
13353         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13354         (check_PROGRAMS): Add many_sections_test.
13355         (many_sections_test_SOURCES): Define.
13356         (many_sections_test_DEPENDENCIES): Define.
13357         (many_sections_test_LDFLAGS): Define.
13358         (BUILT_SOURCES): Add many_sections_define.h.
13359         (many_sections_define.h): New target.
13360         (BUILT_SOURCES): Add many_sections_check.h.
13361         (many_sections_check.h): New target.
13362         (check_PROGRAMS): Add many_sections_r_test.
13363         (many_sections_r_test_SOURCES): Define.
13364         (many_sections_r_test_DEPENDENCIES): Define.
13365         (many_sections_r_test_LDFLAGS): Define.
13366         (many_sections_r_test_LDADD): Define.
13367         (many_sections_r_test.o): New target.
13368         * testsuite/Makefile.in: Rebuild.
13369
13370 2008-04-17  Cary Coutant  <ccoutant@google.com>
13371
13372         * errors.cc (Errors::info): New function.
13373         (gold_info): New function.
13374         * errors.h (Errors::info): New function.
13375         * gold.h (gold_info): New function.
13376         * object.cc (Input_objects::add_object): Print trace output.
13377         * options.cc (options::parse_set): New function.
13378         (General_options::parse_wrap): Deleted.
13379         (General_options::General_options): Deleted initializer.
13380         * options.h (options::String_set): New typedef.
13381         (options::parse_set): New function.
13382         (DEFINE_set): New macro.
13383         (General_options::wrap): Changed to use DEFINE_set. Changed
13384         callers of any_wrap_symbols and is_wrap_symbol.
13385         (General_options::trace, General_options::trace_symbol):
13386         New options.
13387         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13388         (General_options::wrap_symbols_): Deleted.
13389         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13390
13391 2008-04-17  David S. Miller  <davem@davemloft.net>
13392
13393         * options.cc (General_options::parse_V): New function.
13394         * options.h: Add entries for -V and -Qy.
13395
13396 2008-04-17  Ian Lance Taylor  <iant@google.com>
13397
13398         * common.cc (Symbol_table::allocate_commons): Remove options
13399         parameter.  Change caller.
13400         (Symbol_table::do_allocate_commons): Remove options parameter.
13401         Change caller.  Just call do_allocate_commons_list twice.
13402         (Symbol_table::do_allocate_commons_list): New function, broken out
13403         of do_allocate_commons.
13404         * common.h (class Allocate_commons_task): Remove options_ field.
13405         Update constructor.
13406         * symtab.cc (Symbol_table::Symbol_table): Initialize
13407         tls_commons_.
13408         (Symbol_table::add_from_object): Put TLS common symbols on
13409         tls_commons_ list.
13410         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13411         which are IN_OUTPUT_DATA.
13412         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13413         allocate_commons and do_allocate_commons declarations.  Declare
13414         do_allocate_commons_list.
13415         * gold.cc (queue_middle_tasks): Update creation of
13416         Allocate_commons_task to not pass options.
13417         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13418         (TLS_TEST_C_FLAGS): New variable.
13419         (tls_test_c_pic.o): New target.
13420         (tls_test_shared.so): Link in tls_test_c_pic.o.
13421         (tls_test_c_pic_ie.o): New target.
13422         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13423         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13424         (tls_test_c.o): New target.
13425         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13426         (tls_pic_test_LDADD): Likewise.
13427         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13428         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13429         (tls_test_c_gnu2.o): New target.
13430         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13431         tls_test_c_gnu2.o.
13432         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13433         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13434         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13435         * testsuite/tls_test.cc: Include "config.h".
13436         (t_last): Call t11_last.
13437         * testsuite/tls_test.h (t11, t11_last): Declare.
13438         * testsuite/tls_test_c.c: New file.
13439         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13440         * configure.ac: Check for OpenMP support.
13441         * configure, config.in, Makefile.in: Rebuild.
13442         * testsuite/Makefile.in: Rebuild.
13443
13444 2008-04-16  Cary Coutant  <ccoutant@google.com>
13445
13446         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13447         (Target_i386::tls_base_symbol_defined_): New field.
13448         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13449         (Target_i386::Scan::global): Likewise.
13450         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13451         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13452         (Target_x86_64::tls_base_symbol_defined_): New field.
13453         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13454         (Target_x86_64::Scan::global): Likewise.
13455
13456 2008-04-16  Cary Coutant  <ccoutant@google.com>
13457
13458         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13459         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13460         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13461         building shared libraries.
13462         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13463         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13464         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13465         * testsuite/Makefile.in: Rebuild.
13466         * testsuite/weak_undef.h: New file.
13467         * testsuite/weak_undef_file1.cc: Add extra test cases.
13468         * testsuite/weak_undef_file2.cc: Likewise.
13469         * testsuite/weak_undef_test.cc: Likewise.
13470
13471 2008-04-16  David S. Miller  <davem@davemloft.net>
13472
13473         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13474         Add issued_non_pic_error_ field.  Declare check_non_pic.
13475         (Target_sparc::Scan::check_non_pic): New function.
13476         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13477         (Target_sparc::Scan::global): Likewise.
13478
13479         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13480         * configure: Rebuild.
13481
13482         * options.h (DEFINE_enable): New macro.
13483         (new_dtags): New enable option.
13484         (initfirst, interpose, loadfltr, nodefaultlib,
13485         nodelete, nodlopen, nodump): New -z options.
13486         * layout.cc (Layout:finish_dynamic_section): If new
13487         dtags enabled, emit DT_RUNPATH.  Also, emit a
13488         DT_FLAGS_1 containing any specified -z flags.
13489
13490 2008-04-16  Ian Lance Taylor  <iant@google.com>
13491
13492         * copy-relocs.cc: New file.
13493         * copy-relocs.h: New file.
13494         * reloc.cc: Remove Copy_relocs code.
13495         * reloc.h: Likewise.
13496         * reloc-types.h (struct Reloc_types) [both versions]: Add
13497         get_reloc_addend_noerror.
13498         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13499         variants of add_global which take an addend which must be zero.
13500         * i386.cc: Include "copy-relocs.h".
13501         (class Target_i386): Change type of copy_relocs_ to variable,
13502         update initializer.
13503         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13504         Change all callers.
13505         (Target_i386::do_finalize_sections): Change handling of
13506         copy_relocs_.
13507         * sparc.cc: Include "copy-relocs.h".
13508         (class Target_sparc): Change type of copy_relocs_ to variable,
13509         update initializer.
13510         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13511         Change all callers.
13512         (Target_sparc::do_finalize_sections): Change handling of
13513         copy_relocs_.
13514         * x86_64.cc: Include "copy-relocs.h".
13515         (class Target_x86_64): Change type of copy_relocs_ to variable,
13516         update initializer.
13517         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13518         class.  Change all callers.
13519         (Target_x86_64::do_finalize_sections): Change handling of
13520         copy_relocs_.
13521         * Makefile.am (CCFILES): Add copy-relocs.cc.
13522         (HFILES): Add copy-relocs.h.
13523
13524         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13525
13526         * testsuite/script_test_4.sh: Permit leading zeroes.
13527
13528 2008-04-15  Ian Lance Taylor  <iant@google.com>
13529
13530         * script-sections.cc (Script_sections::create_segments): Use
13531         header_size_adjustment even when there is enough room for the
13532         headers.
13533         * testsuite/script_test_4.sh: New file.
13534         * testsuite/script_test_4.t: New file.
13535         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13536         (check_DATA): Add script_test_4.stdout.
13537         (MOSTLYCLEANFILES): Likewise.
13538         (script_test_4): New target.
13539         (script_test_4.stdout): New target.
13540         * testsuite/Makefile.in: Rebuild.
13541
13542         * sparc.cc: Add definitions for Output_data_plt_sparc class
13543         constants.
13544
13545 2008-04-14  David S. Miller  <davem@davemloft.net>
13546
13547         * sparc.cc: New file.
13548         * Makefile.am (TARGETSOURCES): Add sparc.cc
13549         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13550         * configure.tgt: Document targ_extra_size and
13551         targ_extra_big_endian.  Add entries for sparc-* and
13552         sparc64-*.
13553         * configure.ac: Handle targ_extra_size and
13554         targ_extra_big_endian.
13555         * Makefile.in: Rebuild.
13556         * configure: Likewise.
13557         * po/POTFILES.in: Likewise.
13558         * po/gold.pot: Likewise.
13559
13560 2008-04-14  Ian Lance Taylor  <iant@google.com>
13561
13562         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13563         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13564         in the name/type/flags to section mapping.  Don't call
13565         allocate_output_section.
13566         (Layout::choose_output_section): Change parameter from adjust_name
13567         to is_input_section.  Don't permit input sections after sections
13568         are attached to segments.  Don't call allocate_output_section.
13569         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13570         not write_enable_output_section.
13571         (Layout::make_output_section): Don't push to
13572         unattached_section_list_ nor call attach_to_segment.  Call
13573         attach_section_to_segment if sections are attached.
13574         (Layout::attach_sections_to_segments): New function.
13575         (Layout::attach_section_to_segment): New function.
13576         (Layout::attach_allocated_section_to_segment): Rename from
13577         attach_to_segment.  Remove flags parameter.
13578         (Layout::allocate_output_section): Remove function.
13579         (Layout::write_enable_output_section): Remove function.
13580         * layout.h (class Layout): Update for above changes.  Add new
13581         field sections_are_attached_.
13582         * output.h (Output_section::update_flags_for_input_section): New
13583         function.
13584         * output.cc (Output_section::add_input_section): Call
13585         update_flags_for_input_section.
13586         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13587
13588 2008-04-11  Cary Coutant  <ccoutant@google.com>
13589
13590         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13591         thought unnecessary.
13592         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13593
13594 2008-04-11  Ian Lance Taylor  <iant@google.com>
13595
13596         * output.h (class Output_section_data): Remove inline definition
13597         of set_addralign.
13598         * output.cc (Output_section_data::set_addralign): New function.
13599
13600 2008-04-11  Cary Coutant  <ccoutant@google.com>
13601
13602         Add support for TLS descriptors for i386 and x86_64.
13603         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13604         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13605         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13606         GOT_TYPE_TLS_DESC.
13607         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13608         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13609         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13610         relocations.
13611         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13612         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13613         Fix problem with initial-exec relocations.
13614         (Target_i386::Relocate::relocate_tls): Likewise.
13615         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13616         relaxation.
13617         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13618         support for section-plus-offset dynamic table entries.
13619         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13620         (Output_data_dynamic::Dynamic_entry): Add support for
13621         section-plus-offset dynamic table entries.
13622         (Output_data_dynamic::Classification): Likewise.
13623         (Output_data_dynamic::classification_): Renamed offset_.
13624         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13625         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13626         (Target_x86_64::make_plt_section): New function.
13627         (Target_x86_64::reserve_tlsdesc_entries): New function.
13628         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13629         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13630         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13631         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13632         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13633         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13634         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13635         add extra PLT entry for TLS descriptors.
13636         (Output_data_plt_x86_64::got_): New field.
13637         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13638         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13639         fields.
13640         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13641         descriptors.
13642         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13643         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13644         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13645         R_386_TLS_DESC_CALL relocations.
13646         (Target_x86_64::Scan::global): Likewise.
13647         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13648         for TLS descriptors.
13649         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13650         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13651         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13652         GD-to-IE relaxation.
13653         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13654         and TLS_DESCRIPTORS.
13655         * Makefile.in: Rebuild.
13656         * configure: Rebuild.
13657         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13658         (tls_test_shared2.so): New target.
13659         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13660         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13661         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13662         (tls_shared_gd_to_ie_test_LDADD): New variable.
13663         (tls_shared_gnu2_gd_to_ie_test): New target.
13664         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13665         New targets.
13666         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13667         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13668         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13669         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13670         (tls_shared_gnu2_test): New target.
13671         (tls_test_gnu2_shared.so): New target.
13672         (tls_shared_gnu2_test_SOURCES): New variable.
13673         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13674         (tls_shared_gnu2_test_LDFLAGS): New variable.
13675         (tls_shared_gnu2_test_LDADD): New variable.
13676         * testsuite/Makefile.in: Rebuild.
13677         * testsuite/Makefile.
13678
13679 2008-04-11  Ian Lance Taylor  <iant@google.com>
13680
13681         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13682         justsyms.t.
13683         * testsuite/Makefile.in: Rebuild.
13684
13685         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13686         long.
13687         * testsuite/script_test_2.cc (main): Adjust test.
13688
13689 2008-04-11  David S. Miller  <davem@davemloft.net>
13690             Ian Lance Taylor  <iant@google.com>
13691
13692         * options.h (General_options): Add entries for '-Y' and
13693         '-relax'.
13694         * options.cc (General_options:finalize): If -Y was used, add those
13695         entries to the library path instead of the default "/lib" and
13696         "/usr/lib".
13697
13698 2008-04-11  David S. Miller  <davem@davemloft.net>
13699
13700         * testsuite/justsyms.t: Start at 0x100.
13701         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13702         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13703         long.
13704         * testsuite/script_test_2.cc: Adjust string and section length
13705         checks.
13706
13707 2008-04-09  Ian Lance Taylor  <iant@google.com>
13708
13709         PR gold/5996
13710         * script-sections.cc (Sections_element::allocate_to_segment): Add
13711         orphan parameter.
13712         (Output_section_definition::allocate_to_segment): Likewise.
13713         (Orphan_output_section::allocate_to_segment): Likewise.
13714         (Script_sections::attach_sections_using_phdrs_clause): Don't
13715         propagate non-PT_LOAD segments to orphan sections.
13716         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13717         readelf rather than objdump.
13718         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13719         .interp section and PT_INTERP segment are the same size.
13720         * testsuite/Makefile.in: Rebuild.
13721
13722         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13723         aliases for symbols defined in the same object.
13724         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13725         (weak_alias_test_SOURCES): New variable.
13726         (weak_alias_test_DEPENDENCIES): New variable.
13727         (weak_alias_test_LDFLAGS): New variable.
13728         (weak_alias_test_LDADD): New variable.
13729         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13730         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13731         (weak_alias_test_3.o): New target.
13732         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13733         * testsuite/weak_alias_test_main.cc: New file.
13734         * testsuite/weak_alias_test_1.cc: New file.
13735         * testsuite/weak_alias_test_2.cc: New file.
13736         * testsuite/weak_alias_test_3.cc: New file.
13737
13738 2008-04-08  Ian Lance Taylor  <iant@google.com>
13739
13740         * options.h (class General_options): Add --noinhibit-exec option.
13741         * main.cc (main): Check --noinhibit-exec.
13742
13743         * options.h (class General_options): Define --wrap as a special
13744         option.  Add wrap_symbols_ field.
13745         (General_options::any_wrap_symbols): New function.
13746         (General_options::is_wrap_symbol): New function.
13747         * options.cc (General_options::parse_wrap): New function.
13748         (General_options::General_options): Initialize wrap_symbols_.
13749         * symtab.cc (Symbol_table::wrap_symbol): New function.
13750         (Symbol_table::add_from_object): Handle --wrap.
13751         * symtab.h (class Symbol_table): Declare wrap_symbol.
13752         * target.h (Target::wrap_char): New function.
13753         (Target::Target_info): Add wrap_char field.
13754         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13755         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13756         * testsuite/testfile.cc (Target_test::test_target_info):
13757         Likewise.
13758
13759         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13760         there is one.
13761
13762         * layout.h (class Layout): Add added_eh_frame_data_ field.
13763         * layout.cc (Layout::Layout): Initialize new field.
13764         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13765         output section until we find a section we merged successfully.
13766         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13767         that the size be non-zero.
13768
13769         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13770         qualifier.
13771
13772 2008-04-08  Craig Silverstein  <csilvers@google.com>
13773
13774         * configure.ac: Export new conditional variable HAVE_ZLIB.
13775         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13776         on HAVE_ZLIB.
13777         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13778         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13779
13780 2008-04-07  Ian Lance Taylor  <iant@google.com>
13781
13782         * version.cc (version_string): Set to "1.5".
13783
13784         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13785         Add issued_non_pic_error_ field.  Declare check_non_pic.
13786         (Target_x86_64::Scan::check_non_pic): New function.
13787         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13788         (Target_x86_64::Scan::global): Likewise.
13789
13790         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13791         addend parameter.  Change caller.  Handle merge sections.
13792         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13793         Address to Addend.  Don't add in the result of
13794         local_section_offset, pass down the addend and use the returned
13795         value.
13796         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13797         Update declarations of local_section_offset and symbol_value.
13798         * testsuite/two_file_test_1.cc (t18): New function.
13799         * testsuite/two_file_test_2.cc (f18): New function.
13800         * testsuite/two_file_test_main.cc (main): Call t18.
13801         * testsuite/two_file_test.h (t18, f18): Declare.
13802
13803         * configure.ac: Don't test for objdump, c++filt, or readelf.
13804         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13805         conditionals.
13806         (TEST_READELF): New variable.
13807         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13808         (check_PROGRAMS): Add two_file_strip_test.
13809         (two_file_strip_test): New target.
13810         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13811         (two_file_same_shared_strip_test_SOURCES): New variable.
13812         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13813         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13814         (two_file_same_shared_strip_test_LDADD): New variable.
13815         (two_file_shared_strip.so): New target.
13816         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13817         (ver_test_5.syms, ver_test_7.syms): Likewise.
13818         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13819         (strip_test_3.stdout): Use TEST_OBJDUMP.
13820         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13821
13822 2008-04-04  Cary Coutant  <ccoutant@google.com>
13823
13824         * symtab.h (Symbol::is_weak_undefined): New function.
13825         (Symbol::is_strong_undefined): New function.
13826         (Symbol::is_absolute): New function.
13827         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13828         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13829         absolute symbols.
13830         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13831         (weak_undef_test): New target.
13832         * testsuite/Makefile.in: Rebuild.
13833         * testsuite/weak_undef_file1.cc: New file.
13834         * testsuite/weak_undef_file2.cc: New file.
13835         * testsuite/weak_undef_test.cc: New file.
13836
13837 2008-04-03  Craig Silverstein  <csilvers@google.com>
13838
13839         * compressed_output.h (class Output_compressed_section): Use
13840         unsigned buffer.
13841         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13842         add zlib header.
13843         (zlib_compressed_suffix): Removed.
13844         (Output_compressed_section::set_final_data_size): Use unsigned
13845         buffers.
13846         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13847         Fix linker invocation.
13848         (flagstest_o_specialfile_and_compress_debug_sections):
13849         Likewise.
13850         * testsuite/Makefile.in: Regenerated.
13851
13852 2008-04-02  David S. Miller  <davem@davemloft.net>
13853
13854         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13855         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13856
13857 2008-04-02  Craig Silverstein  <csilvers@google.com>
13858
13859         * TODO: New file.
13860
13861 2008-04-02  Ian Lance Taylor  <iant@google.com>
13862
13863         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13864         parameters.  Update for new key type to views_.  Change all
13865         callers.
13866         (File_read::read): Adjust for byteshift in returned view.
13867         (File_read::add_view): New function, broken out of
13868         find_and_make_view.
13869         (File_read::make_view): New function, broken out of
13870         find_and_make_view.
13871         (File_read::find_or_make_view): Add offset and aligned
13872         parameters.  Rewrite accordingly.  Change all callers.
13873         (File_read::get_view): Add offset and aligned parameters.  Adjust
13874         for byteshift in return value.
13875         (File_read::get_lasting_view): Likewise.
13876         * fileread.h (class File_read): Update declarations.
13877         (class File_read::View): Add byteshift_ field.  Add byteshift to
13878         constructor.  Add byteshift method.
13879         * archive.h (Archive::clear_uncached_views): New function.
13880         (Archive::get_view): Add aligned parameter.  Change all callers.
13881         * object.h (Object::get_view): Add aligned parameter.  Change all
13882         callers.
13883         (Object::get_lasting_view): Likewise.
13884
13885         * fileread.cc (File_read::release): Don't call clear_views if
13886         there are multiple objects.
13887         * fileread.h (File_read::clear_uncached_views): New function.
13888         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13889         on the archive.
13890
13891 2008-03-31  Cary Coutant  <ccoutant@google.com>
13892
13893         Add thin archive support.
13894         * archive.cc (Archive::armagt): New const.
13895         (Archive::setup): Remove task parameter and calls to unlock.
13896         (Archive::unlock_nested_archives): New function.
13897         (Archive::read_header): Add nested_off parameter. Change
13898         all callers.
13899         (Archive::interpret_header): Likewise.
13900         (Archive::include_all_members): Change to handle thin
13901         archives.
13902         (Archive::include_member): Likewise.
13903         * archive.h (Archive::Archive): Add new parameters and
13904         initializers.
13905         (Archive::armagt): New const.
13906         (Archive::setup): Remove task parameter.
13907         (Archive::unlock_nested_archives): New function.
13908         (Archive::read_header): Add nested_off parameter.
13909         (Archive::interpret_header): Likewise.
13910         (Archive::Nested_archive_table): New typedef.
13911         (Archive::is_thin_archive_): New field.
13912         (Archive::nested_archives_): New field.
13913         (Archive::options_): New field.
13914         (Archive::dirpath_): New field.
13915         (Archive::task_): New field.
13916         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13917         for thin archives.  Pass additional parameters to
13918         Archive::Archive.  Unlock the archive file after calling
13919         Archive::setup.
13920
13921 2008-03-29  Ian Lance Taylor  <iant@google.com>
13922
13923         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13924         version symbol to be local.
13925         * testsuite/ver_test_4.sh: New file.
13926         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13927         (check_DATA): Add ver_test_4.syms.
13928         (ver_test_4.syms): New target.
13929         * testsuite/Makefile.in: Rebuild.
13930
13931         * output.cc
13932         (Output_section::Input_section_sort_entry::has_priority): New
13933         function.
13934         (Output_section::Input_section_sort_entry::match_file_name): New
13935         function.
13936         (Output_section::Input_section_sort_entry::match_section_name):
13937         Remove.
13938         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13939         Remove.
13940         (Output_section::Input_section_sort_entry::match_section_file):
13941         Remove.
13942         (Output_section::Input_section_sort_compare::operator()): Rewrite
13943         using new Input_section_sort_entry functions.  Sort crtbegin and
13944         crtend first.  Sort sections with no priority before sections with
13945         a priority.
13946         * testsuite/initpri1.c (d3): Check j != 4.
13947         (cd5): New constructor/destructor function.
13948         (main): Check j != 2.
13949
13950         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13951         new symbol when resolving, don't call set_is_default.
13952         * testsuite/ver_test_7.cc: New file.
13953         * testsuite/ver_test_7.sh: New file.
13954         * testsuite/Makefile.am (ver_test_7.so): New target.
13955         (ver_test_7.o): New target.
13956         (check_SCRIPTS): Add ver_test_7.sh.
13957         (check_DATA): Add ver_test_7.syms.
13958         (ver_test_7.syms): New target.
13959
13960 2008-03-28  Ian Lance Taylor  <iant@google.com>
13961
13962         * layout.cc (Layout::layout): If we see an input section with a
13963         name that needs sorting, set the must_sort flag for the output
13964         section.
13965         (Layout::make_output_section): If the name of the output section
13966         indicates that it might require sorting, set the may_sort flag.
13967         * output.h (Output_section::may_sort_attached_input_sections): New
13968         function.
13969         (Output_section::set_may_sort_attached_input_sections): New
13970         function.
13971         (Output_section::must_sort_attached_input_sections): New
13972         function.
13973         (Output_section::set_must_sort_attached_input_sections): New
13974         function.
13975         (class Output_section): Declare Input_section_sort_entry.  Define
13976         Input_section_sort_compare.  Declare
13977         sort_attached_input_sections.  Add new fields:
13978         may_sort_attached_input_sections_,
13979         must_sort_attached_input_sections_,
13980         attached_input_sections_are_sorted_.
13981         * output.cc (Output_section::Output_section): Initialize new
13982         fields.
13983         (Output_section::add_input_section): Add an entry to
13984         input_sections_ if may_sort or must_sort are true.
13985         (Output_section::set_final_data_size): Call
13986         sort_attached_input_sections if necessary.
13987         (Output_section::Input_section_sort_entry): Define new class.
13988         (Output_section::Input_section_sort_compare::operator()): New
13989         function.
13990         (Output_section::sort_attached_input_sections): New function.
13991         * configure.ac: Check whether the compiler supports constructor
13992         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13993         * testsuite/initpri1.c: New file.
13994         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13995         CONSTRUCTOR_PRIORITY.
13996         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13997         (initpri1_LDFLAGS): New variable.
13998         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13999
14000 2008-03-27  Ian Lance Taylor  <iant@google.com>
14001
14002         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14003         * testsuite/common_test_1.c: New file.
14004         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14005         (common_test_1_SOURCES): New variable.
14006         (common_test_1_DEPENDENCIES): New variable.
14007         (common_test_1_LDFLAGS): New variable.
14008
14009         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14010         and commons_ correctly when NAME/VERSION does not override
14011         NAME/NULL.
14012         * testsuite/ver_test_6.c: New file.
14013         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14014         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14015         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14016
14017 2008-03-26  Ian Lance Taylor  <iant@google.com>
14018
14019         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14020         of an undefined symbol from a version script.
14021         * testsuite/Makefile.am (ver_test_5.so): New target.
14022         (ver_test_5.o): New target.
14023         (check_SCRIPTS): Add ver_test_5.sh.
14024         (check_DATA): Add ver_test_5.syms.
14025         (ver_test_5.syms): New target.
14026         * testsuite/ver_test_5.cc: New file.
14027         * testsuite/ver_test_5.script: New file.
14028         * testsuite/ver_test_5.sh: New file.
14029         * Makefile.in, testsuite/Makefile.in: Rebuild.
14030
14031         PR gold/5986
14032         Fix problems building gold with gcc 4.3.0.
14033         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14034         (gold_error_at_location, gold_warning_at_location): Use it.
14035         * configure.ac: Check whether we can compile and use a template
14036         function with a printf attribute.
14037         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14038         when jumping over bytes.
14039         * object.cc: Instantiate Object::read_section_data.
14040         * debug.h: Include <cstring>
14041         * dwarf_reader.cc: Include <algorithm>
14042         * main.cc: Include <cstring>.
14043         * options.cc: Include <cstring>.
14044         * output.cc: Include <cstring>.
14045         * script.cc: Include <cstring>.
14046         * script.h: Include <string>.
14047         * symtab.cc: Include <cstring> and <algorithm>.
14048         * target-select.cc: Include <cstring>.
14049         * version.cc: Include <string>.
14050         * testsuite/testmain.cc: Include <cstdlib>.
14051         * configure, config.in: Rebuild.
14052
14053 2008-03-25  Ian Lance Taylor  <iant@google.com>
14054
14055         * options.cc: Include "../bfd/bfdver.h".
14056         (options::help): Print bug reporting address.
14057
14058         * version.cc (print_version): Adjust output for current value of
14059         BFD_VERSION_STRING.
14060
14061         * NEWS: New file.
14062
14063         * options.cc (options::help): Print list of supported targets.
14064         * target-select.h: Include <vector>.
14065         (class Target_selector): Make machine_, size_, and is_big_endian_
14066         fields const.  Add bfd_name_ and instantiated_target_ fields.
14067         (Target_selector::Target_selector): Add bfd_name parameter.
14068         (Target_selector::recognize): Make non-virtual, call
14069         do_recognize.
14070         (Target_selector::recognize_by_name): Make non-virtual, call
14071         do_recognize_by_name.
14072         (Target_selector::supported_names): New function.
14073         (Target_selector::bfd_name): New function.
14074         (Target_selector::do_instantiate_target): New pure virtual
14075         function.
14076         (Target_selector::do_recognize): New virtual function.
14077         (Target_selector::do_recognize_by_name): New virtual function.
14078         (Target_selector::instantiate_target): New private function.
14079         (supported_target_names): Declare.
14080         * target-select.cc (Target_selector::Target_selector): Update for
14081         new parameter and fields.
14082         (select_target_by_name): Check that the name matches before
14083         calling recognize_by_name.
14084         (supported_target_names): New function.
14085         * i386.cc (class Target_selector_i386): Update Target_selector
14086         constructor call.  Remove recognize and recognize_by_name.  Add
14087         do_instantiate_target.
14088         * x86_64.cc (class Target_selector_x86_64): Likewise.
14089         * testsuite/testfile.cc (class Target_selector_test): Update for
14090         changes to Target_selector.
14091
14092         * README: Rewrite, with some notes on unsupported features.
14093
14094 2008-03-24  Cary Coutant  <ccoutant@google.com>
14095
14096         * i386.cc (Target_i386::Got_type): New enum declaration.
14097         (Target_i386::Scan::local): Updated callers of Output_data_got
14098         member functions.
14099         (Target_i386::Scan::global): Likewise.
14100         (Target_i386::Relocate::relocate): Likewise.
14101         (Target_i386::Relocate::relocate_tls): Likewise.
14102         * object.h (Got_offset_list): New class.
14103         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14104         (Sized_relobj::local_got_offset): Likewise.
14105         (Sized_relobj::set_local_got_offset): Likewise.
14106         (Sized_relobj::local_has_tls_got_offset): Removed.
14107         (Sized_relobj::local_tls_got_offset): Removed.
14108         (Sized_relobj::set_local_tls_got_offset): Removed.
14109         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14110         * output.cc (Output_data_got::add_global): Added got_type parameter.
14111         (Output_data_got::add_global_with_rel): Likewise.
14112         (Output_data_got::add_global_with_rela): Likewise.
14113         (Output_data_got::add_global_pair_with_rel): New function.
14114         (Output_data_got::add_global_pair_with_rela): New function.
14115         (Output_data_got::add_local): Added got_type parameter.
14116         (Output_data_got::add_local_with_rel): Likewise.
14117         (Output_data_got::add_local_with_rela): Likewise.
14118         (Output_data_got::add_local_pair_with_rel): New function.
14119         (Output_data_got::add_local_pair_with_rela): New function.
14120         (Output_data_got::add_global_tls): Removed.
14121         (Output_data_got::add_global_tls_with_rel): Removed.
14122         (Output_data_got::add_global_tls_with_rela): Removed.
14123         (Output_data_got::add_local_tls): Removed.
14124         (Output_data_got::add_local_tls_with_rel): Removed.
14125         (Output_data_got::add_local_tls_with_rela): Removed.
14126         * output.h (Output_data_got::add_global): Added got_type parameter.
14127         (Output_data_got::add_global_with_rel): Likewise.
14128         (Output_data_got::add_global_with_rela): Likewise.
14129         (Output_data_got::add_global_pair_with_rel): New function.
14130         (Output_data_got::add_global_pair_with_rela): New function.
14131         (Output_data_got::add_local): Added got_type parameter.
14132         (Output_data_got::add_local_with_rel): Likewise.
14133         (Output_data_got::add_local_with_rela): Likewise.
14134         (Output_data_got::add_local_pair_with_rel): New function.
14135         (Output_data_got::add_local_pair_with_rela): New function.
14136         (Output_data_got::add_global_tls): Removed.
14137         (Output_data_got::add_global_tls_with_rel): Removed.
14138         (Output_data_got::add_global_tls_with_rela): Removed.
14139         (Output_data_got::add_local_tls): Removed.
14140         (Output_data_got::add_local_tls_with_rel): Removed.
14141         (Output_data_got::add_local_tls_with_rela): Removed.
14142         * resolve.cc (Symbol::override_base_with_special): Removed
14143         reference to has_got_offset_ field.
14144         * symtab.cc (Symbol::init_fields): Replaced initialization
14145         of got_offset_ with got_offsets_.  Removed initialization
14146         of has_got_offset_
14147         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14148         (Symbol::got_offset): Likewise.
14149         (Symbol::set_got_offset): Likewise.
14150         (Symbol::has_tls_got_offset): Removed.
14151         (Symbol::tls_got_offset): Removed.
14152         (Symbol::set_tls_got_offset): Removed.
14153         (Symbol::got_offset_): Removed.
14154         (Symbol::tls_mod_got_offset_): Removed.
14155         (Symbol::tls_pair_got_offset_): Removed.
14156         (Symbol::got_offsets_): New field.
14157         (Symbol::has_got_offset): Removed.
14158         (Symbol::has_tls_mod_got_offset): Removed.
14159         (Symbol::has_tls_pair_got_offset): Removed.
14160         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14161         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14162         member functions.
14163         (Target_x86_64::Scan::global): Likewise.
14164         (Target_x86_64::Relocate::relocate): Likewise.
14165         (Target_x86_64::Relocate::relocate_tls): Likewise.
14166
14167 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14168
14169         * yyscript.y: Fix spelling error in comment.
14170
14171 2008-03-24  Ian Lance Taylor  <iant@google.com>
14172
14173         * options.h (class General_options): Define build_id option.
14174         * layout.h (class Layout): Declare write_build_id, create_note,
14175         create_build_id.  Add build_id_note_ member.
14176         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14177         "libiberty.h", "md5.h", "sha1.h".
14178         (Layout::Layout): Initialize eh_frame_data_,
14179         eh_frame_hdr_section_, and build_id_note_.
14180         (Layout::finalize): Call create_build_id.
14181         (Layout::create_note): New function, broken out of
14182         Layout::create_gold_note.
14183         (Layout::create_gold_note): Call create_note.
14184         (Layout::create_build_id): New function.
14185         (Layout::write_build_id): New function.
14186         (Close_task_runner::run): Call write_build_id.
14187
14188         * x86_64.cc: Correct license to GPLv3.
14189
14190 2008-03-23  Ian Lance Taylor  <iant@google.com>
14191
14192         * options.cc: Include "demangle.h".
14193         (parse_optional_string): New function.
14194         (parse_long_option): Handle takes_optional_argument.
14195         (parse_short_option): Update dash_z initializer.  Handle
14196         takes_optional_argument.
14197         (General_options::General_options): Initialize do_demangle_.
14198         (General_options::finalize): Set do_demangle_.  Handle demangling
14199         style.
14200         * options.h (parse_optional_string): Declare.
14201         (struct One_option): Add optional_arg field.  Update constructor.
14202         Update call constructor calls.  Add takes_optional_argument
14203         function.
14204         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14205         (DEFINE_optional_string): Define.
14206         (General_options::demangle): Change from DEFINE_bool to
14207         DEFINE_optional_string.
14208         (General_options::no_demangle): New function.
14209         (General_options::do_demangle): New function.
14210         (General_options::set_do_demangle): New function.
14211         (General_options::execstack_status_): Move definition to end of
14212         class definition.
14213         (General_options::static_): Likewise.
14214         (General_options::do_demangle_): New field.
14215         * object.cc (big_endian>::get_symbol_location_info): Call
14216         Options::do_demangle, not Options::demangle.
14217         * symtab.cc (demangle): Likewise.
14218
14219 2008-03-22  Ian Lance Taylor  <iant@google.com>
14220
14221         * gold.h: Include <cstddef> and <sys/types.h>
14222         * options.h: Include <cstring>.
14223
14224 2008-03-21  Ian Lance Taylor  <iant@google.com>
14225
14226         * Added source code to GNU binutils.
14227 \f
14228 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14229
14230 Copying and distribution of this file, with or without modification,
14231 are permitted in any medium without royalty provided the copyright
14232 notice and this notice are preserved.
14233
14234 Local Variables:
14235 mode: change-log
14236 left-margin: 8
14237 fill-column: 74
14238 version-control: never
14239 End: