* powerpc.cc (class Track_tls): New.
[external/binutils.git] / gold / ChangeLog
1 2012-12-12  Alan Modra  <amodra@gmail.com>
2
3         * powerpc.cc (class Track_tls): New.
4         (class Relocate, class Scan): Inherit Track_tls.
5         (Target_powerpc::Scan::local, global): Track tls optimization
6         and avoid creating plt entry for __tls_get_addr if all uses
7         are optimized away.
8         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
9
10 2012-12-12  Alan Modra  <amodra@gmail.com>
11
12         * options.h (General_options): Add --toc-sort/--no-toc-sort.
13         Replace no_toc_optimize with toc_optimize.
14         * output.h (Output_section::input_sections): Provide non-const variant.
15         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
16         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
17         accessors.
18         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
19         (class Sort_toc_sections): New.
20         (Target_powerpc::do_finalize_sections): Sort toc sections.
21         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
22
23 2012-12-10  Roland McGrath  <mcgrathr@google.com>
24
25         * testsuite/binary_unittest.cc (read_all): New function.
26         (Sized_binary_test): Use it instead of ::read.
27         * fileread.cc (do_read): Don't assume pread always reads the whole
28         amount in a single call.
29
30 2012-12-10  Alan Modra  <amodra@gmail.com>
31
32         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
33         Set EM_PPC64 or EM_PPC here.
34         (Target_selector_powerpc::do_recognize): Delete.
35
36 2012-12-10  Alan Modra  <amodra@gmail.com>
37
38         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
39         stub_table_.
40         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
41
42 2012-12-07  Roland McGrath  <mcgrathr@google.com>
43
44         * testsuite/binary_unittest.cc (Sized_binary_test):
45         Use open_descriptor rather than ::open.
46
47 2012-12-07  Alan Modra  <amodra@gmail.com>
48
49         * powerpc.cc (Stub_table::do_write): Delete redundant Address
50         typedef and invalid_address constant.
51         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
52         instantiate constants.
53
54 2012-12-06  Roland McGrath  <mcgrathr@google.com>
55
56         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
57         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
58         * aclocal.m4: Regenerate.
59         * configure: Regenerate.
60         * Makefile.in: Regenerate.
61         * testsuite/Makefile.in: Regenerate.
62
63 2012-12-07  Alan Modra  <amodra@gmail.com>
64
65         * options.h (General_options): Add no_toc_optimize.
66         * powerpc.cc (ok_lo_toc_insn): New function.
67         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
68
69 2012-12-06  Alan Modra  <amodra@gmail.com>
70
71         * options.h (General_options): Add plt_align, plt_static_chain,
72         plt_thread_safe.  Update stub_group_size help text.
73         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
74         for new plt_thread_safe_ var.
75         (use_plt_offset): Correct comments.
76         (Target_powerpc::do_relax): Look for thread creation symbols to
77         determine default plt_thread_safe value.  Clear plt call stubs
78         as well as branch stubs each iteration.
79         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
80         insn constants.
81         (l, hi, ha, write_insn): Move earlier.
82         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
83         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
84         plt stubs too.
85         (Stub_table::update_size): Adjust.
86         (Stub_table::prev_size, set_prev_size): Delete.
87         (Stub_table::stub_align): Let --plt-align affect result.
88         (Stub_table::plt_call_size): Calculate sizes for various stubs.
89         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
90         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
91         (Stub_table::do_write): Support more stub variants.
92
93 2012-12-04  Alan Modra  <amodra@gmail.com>
94
95         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
96         (Target_powerpc::do_define_standard_symbols): New function.
97
98 2012-12-03  Alan Modra  <amodra@gmail.com>
99
100         * output.h: Formatting, whitespace.
101
102 2012-12-03  Alan Modra  <amodra@gmail.com>
103
104         * layout.h (Layout::get_executable_sections): Declare.
105         * layout.cc (Layout::get_executable_sections): New function.
106         * arm.cc (Target_arm::group_sections): Use it.
107         (Arm_output_section::group_sections): Delete now redundant test.
108         * output.cc (Output_reloc::Output_reloc): Add is_relative.
109         param to handle relative relocs.
110         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
111         (Output_data_reloc::add_absolute): Adjust.
112         (Output_data_reloc::add_relative): New function.
113         (Output_data::reset_data_size): New function.
114         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
115         (Output_section::set_addralign): New function.
116         (Output_section::checkpoint_set_addralign): New function.
117         (Output_section::clear_section_offsets_need_adjustment): New function.
118         (Output_section::input_sections): Make public.
119         * powerpc.cc (class Output_data_brlt_powerpc): New.
120         (class Stub_table, class Stub_control): New.
121         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
122         stub_table_, set_stub_table, stub_table): New vectors and accessor
123         functions.
124         (Target_powerpc::do_may_relax, do_relax, push_branch,
125         new_stub_table, stub_tables, brlt_section, group_sections,
126         add_branch_lookup_table, find_branch_lookup_table,
127         write_branch_lookup_table, make_brlt_section): New functions.
128         (Target_powerpc::struct Sort_sections, class Branch_info): New.
129         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
130         branch_info_): New vars.
131         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
132         make call stubs here.
133         (Output_data_glink): Remove all call stub handling from this class.
134         (Target_powerpc::Scan::local, global): Save interesting branch
135         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
136         (Target_powerpc::do_finalize_sections): Only make reg save/restore
137         functions on final link.
138         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
139         Handle long branch destinations too.
140         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
141         do_plt_address_for_local): Adjust lookup of plt call stubs.
142
143 2012-11-30  Alan Modra  <amodra@gmail.com>
144
145         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
146         relocs against protected symbols when building 32-bit shared libs.
147
148 2012-11-30  Alan Modra  <amodra@gmail.com>
149
150         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
151         param.  Call got_section() to make .got.  Update all callers
152         and their callers and so on.
153
154 2012-11-30  Alan Modra  <amodra@gmail.com>
155
156         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
157         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
158         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
159         value if it already exists.
160
161 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
162
163         PR gold/14858
164         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
165
166 2012-11-14  Roland McGrath  <mcgrathr@google.com>
167
168         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
169         than bfc instruction for data sandboxing.
170
171 2012-11-08  Alan Modra  <amodra@gmail.com>
172
173         * po/POTFILES.in: Regenerate.
174
175 2012-11-05  Alan Modra  <amodra@gmail.com>
176
177         * configure.ac: Apply 2012-09-10 change to config.in here.
178         * configure: Regenerate.
179
180 2012-11-05  Alan Modra  <amodra@gmail.com>
181
182         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
183         (struct Opd_ent): Use "Address" rather than "Offset".
184         (Output_data_got_powerpc::got_base_offset): Return Valtype.
185         (Target_powerpc::got_section): Make public.
186         (Target_powerpc::scan_relocs): Move code setting symbols..
187         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
188         Create _SDA_BASE_ only when referenced.
189
190 2012-11-02  Roland McGrath  <mcgrathr@google.com>
191
192         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
193         from last change.
194
195 2012-11-01  Roland McGrath  <mcgrathr@google.com>
196
197         * target.h (Sized_target::relocate_relocs): Use Elf_Off
198         for offset_in_output_section parameter.
199         (Sized_target::relocate_special_relocatable): Likewise.
200         * arm.cc (Target_arm::relocate_relocs): Likewise.
201         (Target_arm::relocate_special_relocatable): Likewise.
202         * i386.cc (Target_i386::relocate_relocs): Likewise.
203         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
204         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
205         * target-reloc.h (relocate_relocs): Likewise.
206         * testsuite/testfile.cc (Target_test): Likewise.
207         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
208         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
209
210         * system.h: Move inclusion of <clocale> to after <libintl.h> in
211         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
212
213         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
214         parameter, which is unused in the [!F_SETFD] case.
215
216         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
217         SYMNDX to off_t before comparing it to this->data_size().
218         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
219         * incremental.cc (Output_section_incremental_inputs::do_write):
220         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
221
222         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
223
224 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
225
226         * gold.cc (Target_arm::do_adjust_elf_header): Add the
227         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
228         in EABI_VER5.
229
230 2012-10-29  Cary Coutant  <ccoutant@google.com>
231
232         * dwp.cc (usage): Add file and exit status parameters;
233         add --help and --version options.
234         (print_version): New function.
235         (main): Add --help and --version options.
236
237 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
238
239         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
240         final_layout_sequence.txt.
241         * testsuite/Makefile.in: Regenerated.
242
243 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
244
245         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
246         COMPILE generated by automake.
247         (LINK1): Likewise.
248         (CXXCOMPILE1): Likewise.
249         (CXXLINK1): Likewise.
250         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
251         (LINK): Likewise.
252         (CXXCOMPILE): Likewise.
253         (CXXLINK): Likewise.
254         * testsuite/Makefile.in: Regenerated.
255
256 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
257
258         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
259         on bad fwrite return.
260
261 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
262
263         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
264         on val.
265
266 2012-10-23  Cary Coutant  <ccoutant@google.com>
267
268         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
269         * testsuite/Makefile.in: Regenerate.
270         * testsuite/dwp_test.h: New source file.
271         * testsuite/dwp_test_1.cc: New source file.
272         * testsuite/dwp_test_1.s: New source file.
273         * testsuite/dwp_test_1.sh: New source file.
274         * testsuite/dwp_test_1b.cc: New source file.
275         * testsuite/dwp_test_1b.s: New source file.
276         * testsuite/dwp_test_2.cc: New source file.
277         * testsuite/dwp_test_2.s: New source file.
278         * testsuite/dwp_test_2.sh: New source file.
279         * testsuite/dwp_test_main.cc: New source file.
280         * testsuite/dwp_test_main.s: New source file.
281
282 2012-10-23  Cary Coutant  <ccoutant@google.com>
283
284         * dwp.h: New header file.
285         * dwp.cc: New source file.
286         * gold.h: Move shared declarations to system.h.
287         * system.h: New header file.
288         * Makefile.am: Add dwp.
289         * Makefile.in: Regenerate.
290
291 2012-10-23  Cary Coutant  <ccoutant@google.com>
292
293         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
294         Dwarf_info_reader::read_from_pointer.
295         (Dwarf_pubnames_table::read_header): Likewise.
296         (Dwarf_pubnames_table::next_name): Likewise.
297         (Dwarf_die::read_attributes): Likewise.
298         (Dwarf_die::skip_attributes): Likewise.
299         (Dwarf_info_reader::read_from_pointer): New function template.
300         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
301         (Dwarf_pubnames_table): Likewise.
302         (Dwarf_info_reader::read_from_pointer): New function template.
303         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
304         Dwarf_pubnames_table ctor.
305
306 2012-10-23  Cary Coutant  <ccoutant@google.com>
307
308         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
309         abbrev_shndx.
310         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
311         abbrev_shndx_.
312         (Dwarf_info_reader::set_abbrev_shndx): New method.
313         (Dwarf_info_reader::abbrev_shndx_): New data member.
314
315 2012-10-23  Cary Coutant  <ccoutant@google.com>
316
317         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
318         from object, not parameters.
319         (Dwarf_info_reader::parse): Likewise.
320         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
321         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
322         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
323         methods.
324
325 2012-10-23  Cary Coutant  <ccoutant@google.com>
326
327         * fileread.cc (Input_file::Input_file): New constructor.
328         * fileread.h (class Input_file): Add new constructor.
329
330 2012-10-18  Alan Modra  <amodra@gmail.com>
331
332         PR gold/14727
333         * object.cc (Relobj::is_section_name_included): Also match
334         .sdata personality section.
335
336 2012-10-18  Alan Modra  <amodra@gmail.com>
337
338         * target-reloc.h (class Default_comdat_behavior): New, package up..
339         (get_comdat_behaviour): ..this.
340         (relocate_section): Add Relocate_comdat_behavior template arg,
341         adjust code to suit.
342         * arm.cc (Target_arm::relocate_section): Adjust to suit.
343         (Target_arm::scan_reloc_section): Likewise.
344         * i386.cc (Target_i386::relocate_section): Likewise.
345         * sparc.cc (Target_sparc::relocate_section): Likewise.
346         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
347         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
348         * powerpc.cc (class Relocate_comdat_behavior): New.
349         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
350         gold::relocate_section with new template arg.
351
352 2012-10-18  Alan Modra  <amodra@gmail.com>
353
354         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
355         dynamic relocs for GOT_TPREL got entries, without symbol if
356         resolving locally.
357         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
358         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
359         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
360
361 2012-10-17  Alan Modra  <amodra@gmail.com>
362
363         PR gold/14726
364         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
365
366 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
367
368         * layout.cc (Layout::include_section): Keep sections marked
369         SHF_EXCLUDE when doing relocatable links.
370
371 2012-10-16  Alan Modra  <amodra@gmail.com>
372
373         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
374         (Target_powerpc::do_finalize_sections): Call it.
375         (Output_data_save_res): New class and supporting functions.
376         (Target_powerpc::symval_for_branch): Only look up .opd entry for
377         normal symbols defined in object files.
378
379 2012-10-12  Alan Modra  <amodra@gmail.com>
380
381         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
382         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
383         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
384         section if scan_opd_relocs not yet called.
385         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
386
387 2012-10-12  Alan Modra  <amodra@gmail.com>
388
389         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
390         add_local_ifunc_entry): Revert last change.
391         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
392
393 2012-10-05  Alan Modra  <amodra@gmail.com>
394
395         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
396         do_plt_address_for_global): New functions.
397         (Output_data_got_powerpc::do_write): Don't segfault when linking
398         statically.
399         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
400         add_local_ifunc_entry): Return true on adding entry..
401         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
402         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
403         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
404         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
405         set up symbols here.
406         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
407         syms here.  Do so even when no .iplt.  Don't segfault when linking
408         statically.
409         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
410         new variants without reloc param.
411         (Glink_sym_ent::Glink_sym_ent): Likewise.
412         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
413         reloc when refs will resolve to plt call stub.
414         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
415         R_PPC_PLTREL24 to resolve locally.
416         (Target_powerpc::Scan::global): Correct ifunc handling.
417         (Target_powerpc::Relocate::relocate): Correct local sym glink
418         lookup.  Don't destroy "value" when we have a plt call stub,
419         and when checking plt call validity.
420         (Target_powerpc::do_dynsym_value): Simplify.
421
422 2012-10-05  Alan Modra  <amodra@gmail.com>
423
424         * i386.cc (Output_data_plt_i386::address_for_global,
425         address_for_local): Add plt offset to returned value.  Adjust uses.
426         * sparc.cc (Output_data_plt_sparc::address_for_global,
427         address_for_local): Likewise.
428         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
429         address_for_local): Likewise.
430         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
431         address_for_local): Likewise.
432         * target.h (Target::plt_address_for_global, plt_address_for_local):
433         Update comment.
434         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
435         (Output_data_got::Got_entry::write): Nor here.
436         * output.h: Comment fix.
437
438 2012-10-02  Jiong Wang  <jiwang@tilera.com>
439
440         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
441         global_offset_table_ value for larget got.
442         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
443
444 2012-09-29  Alan Modra  <amodra@gmail.com>
445
446         * powerpc.cc (Target_powerpc::iplt_): New output section.
447         (Target_powerpc::iplt_section, make_iplt_section,
448         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
449         (Target_powerpc::make_plt_entry): Handle ifunc syms.
450         Target_powerpc::plt_entry_count): Count iplt entries too.
451         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
452         reloc section in constructor.  New params.
453         (Target_powerpc::make_plt_section): Create reloc section here instead.
454         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
455         functions.
456         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
457         (Output_data_glink::add_entry, find_entry): New functions to
458         deal with local syms.
459         (Glink_sym_ent): Add support for local syms.
460         (Output_data_glink::do_write): Handle ifunc plt entries.
461         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
462         (Target_powerpc::Scan::local, global): Handle ifunc syms.
463         (Target_powerpc::Relocate::relocate): Likewise.
464         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
465
466 2012-09-25  Alan Modra  <amodra@gmail.com>
467
468         * object.h (Sized_relobj_file::adjust_local_symbol,
469         do_adjust_local_symbol): New functions.
470         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
471         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
472         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
473         and irregular opd entry spacing.
474         (Powerpc_relobj::do_read_relocs): Add opd size checks.
475         (Global_symbol_visitor_opd): New functor.
476         (Target_powerpc::do_finalize_sections): Omit global symbols defined
477         on deleted opd entries.
478
479 2012-09-15  Jiong Wang  <jiwang@tilera.com>
480
481         * tilegx.cc: New file.
482         * Makefile.am (TARGETSOURCES): Add tilegx.cc
483         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
484         * configure.tgt: Add entries for tilegx*.
485         * configure.ac: Likewise.
486         * Makefile.in: Rebuild.
487         * configure: Likewise.
488         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
489         tilegx.
490
491 2012-09-13  Alan Modra  <amodra@gmail.com>
492
493         * target-reloc.h (scan_relocs): Call scan.local for relocs
494         against symbols in discarded sections.  Pass is_discarded
495         param.
496         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
497         Add is_discarded param.
498         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
499         is_discarded to flag opd entry as discarded.  Don't emit dyn
500         relocs on such entries.
501         (Target_powerpc::Scan::global): Similarly detect and handle
502         such opd entries.
503         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
504         opd_ent_.  Update all uses.
505         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
506         (Target_powerpc::relocate_section): Zero out discarded opd
507         entry relocs.
508
509 2012-09-12  Ian Lance Taylor  <iant@google.com>
510
511         PR gold/14570
512         * output.cc: Rename Output_data_got template parameter from size
513         to got_size for all functions.  Compile all variants of
514         Output_data_got.
515         (Output_data_got::Got_entry::write): Correct use of size for
516         symbol value.  Use local_is_tls rather than casting to
517         Sized_relobj_file.
518         * object.h (class Object): Add local_is_tls and do_local_is_tls.
519         (class Sized_relobj_file): Add do_local_is_tls.
520         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
521
522 2012-09-11  Alan Modra  <amodra@gmail.com>
523
524         PR gold/14566
525         * layout.cc (Layout::set_segment_offsets): When using
526         common-page-size alignment, ensure we are on a new max-page-size
527         page.
528         * output.cc (Output_segment::set_section_addresses): Use
529         abi_pagesize, not common_pagesize for relro boundary.
530         (Output_segment::set_offset): Likewise.
531
532 2012-09-11  Alan Modra  <amodra@gmail.com>
533
534         * output.h (Output_data_got::add_global_tls, add_local_tls,
535         add_local_tls_pair): New functions.
536         (Output_data_got::add_local_pair_with_rel): Remove second
537         reloc param.  Expand comment.
538         (Output_data_got::Got_entry): Rename use_plt_offset_ to
539         use_plt_or_tls_offset_, similarly for constructor param.
540         (Output_data_got::Got_entry::write): Add got_index param.
541         * output.cc (Output_data_got::add_global_tls, add_local_tls,
542         add_local_tls_pair): New functions.
543         (Output_data_got::Got_entry::write): Handle tls symbols
544         with use_plt_or_tls_offset_ set specially.
545         (Output_data_got::add_local_pair_with_rel): Only one reloc.
546         (Output_data_got::do_write): Replace iterator with index, pass
547         index to entry write function.
548         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
549         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
550         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
551         call.
552         * i386.cc (Target_i386::Scan::local): Likewise.
553         * sparc.cc (Target_sparc::Scan::local): Likewise.
554         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
555         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
556         do_tls_offset_for_global): New functions.
557         (Target_powerpc::Scan::local): Correct TLS relocations and got
558         entry values.
559         (Target_powerpc::Scan::global): Don't emit unnecessary
560         dynamic relocations on TLS GOT entries.
561
562 2012-09-10  Matthias Klose  <doko@ubuntu.com>
563
564         * config.in: Disable sanity check for kfreebsd.
565
566 2012-09-10  Sterling Augustine  <saugustine@google.com>
567
568         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
569         (Gdb_index::pubtypes_read): New parameter.
570         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
571         to calls.
572         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
573         pubtypes_object_.
574
575 2012-09-09  Alan Modra  <amodra@gmail.com>
576
577         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
578         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
579         * gc.h (gc_process_relocs): Call target gc_add_reference.
580         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
581         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
582         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
583         unnecessary cast.
584         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
585         to cater for when we don't need code offset.  Update use.
586         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
587         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
588         set_opd_valid): New functions.
589         (Target_powerpc::do_gc_add_reference): New function.
590         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
591         stashed refs.
592         (Target_powerpc::do_gc_mark_symbol): New function.
593
594 2012-09-06  Cary Coutant  <ccoutant@google.com>
595
596         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
597         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
598         (Dwarf_die::skip_attributes): Likewise.
599         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
600         * testsuite/gdb_index_test.cc (inline_func_1): New function.
601         (main): Call it.
602         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
603
604 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
605
606         * testsuite/script_test_3.t: Add .got.plt output section
607         statement.
608         * testsuite/script_test_4.t: Likewise.
609
610 2012-09-05  Alan Modra  <amodra@gmail.com>
611
612         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
613         update all uses and lose "enum" when using type.
614
615 2012-09-05  Alan Modra  <amodra@gmail.com>
616
617         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
618         * configure: Regenerate.
619         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
620         (plugin_final_layout.stdout): Likewise.
621         (memory_test): Set page sizes to 0x1000.
622         * testsuite/Makefile.in: Regenerate.
623         * testsuite/discard_locals_test.sh: Add FIXME comment.
624         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
625         * testsuite/pr14265.t: Add .got output section statement.
626         * testsuite/script_test_2.t: Likewise.
627         * testsuite/script_test_3.t: Likewise.
628         * testsuite/script_test_4.t: Likewise.
629         * testsuite/script_test_5.t: Likewise.
630         * testsuite/script_test_6.t: Likewise.
631         * testsuite/script_test_7.t: Likewise.
632         * testsuite/script_test_9.t: Likewise.
633
634 2012-09-05  Alan Modra  <amodra@gmail.com>
635
636         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
637         (Powerpc_relocate_functions::Status): New typedef.
638         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
639         (Target_powerpc::Scan::local): Handle REL64.
640         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
641         for REL32 and REL64.
642         (Target_powerpc::symval_for_branch): New function, extracted from..
643         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
644         checks.  Report overflow errors.
645
646 2012-09-05  Alan Modra  <amodra@gmail.com>
647
648         * object.h (Sized_relobj_file::emit_relocs): Delete.
649         (Sized_relobj_file::emit_relocs_reltype): Delete.
650         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
651         relocate_relocs for --emit-relocs.
652         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
653         * output.h: Update comment.
654         (Output_segment::first_section): New function.
655         (Output_segment::first_section_load_address): Use first_section.
656         * output.cc (Output_segment::first_section): New function extracted..
657         (Output_segment::first_section_load_address): ..from here.  Delete.
658         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
659         * target.h (Sized_target::relocate_for_relocatable): Likewise.
660         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
661         adjust call to target.h function.
662         * i386.cc (Target_i386): Likewise.
663         * sparc.cc (Target_sparc): Likewise.
664         * x86_64.cc (Target_x86_64): Likewise.
665         * powerpc.cc (Target_powerpc): Likewise.
666         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
667         first tls section has section symbol for optimised local dynamic
668         output relocs.
669         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
670         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
671         optimised tls code.
672         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
673         Rename to relocate_relocs.  Update error message.
674
675 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
676
677         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
678         --just-symbols.
679
680 2012-08-31  Alan Modra  <amodra@gmail.com>
681
682         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
683         (Powerpc_relobj::toc_base_offset): New stub function.
684         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
685         got_mod_index_offset to tlsld_got_offset.  Update all refs.
686         (Target_powerpc::Relocate::enum skip_tls): New.
687         (Target_powerpc::call_tls_get_addr_): New var.
688         (Target_powerpc::is_branch_reloc): Move to file scope.
689         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
690         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
691         New functions.
692         (Target_powerpc::enum Got_type): Delete old values, add new ones.
693         (powerpc_info): Correct common_pagesize for ppc64.
694         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
695         (Powerpc_relocate_functions): Add overflow check enums and functions.
696         Add non-shift version of rela, rela_ua.  Delete all rel public
697         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
698         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
699         addr16_ha3, addr14 functions.
700         (Output_data_got_powerpc::add_constant_pair): New function.
701         (Output_data_got_powerpc::got_base_offset): Likewise.
702         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
703         (instruction constants): Sort, add some more.
704         (Output_data_glink::do_write): Add and use Address typedef.  Use
705         object->toc_base_offset() stub for 64-bit.
706         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
707         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
708         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
709         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
710         Always treat .opd relocs as against locally defined symbol.
711         Correct condition for RELATIVE relocs.
712         (Target_powerpc::do_finalize_sections): Test for NULL sections.
713         (Target_powerpc::Relocate::relocate): Use plt call stub as value
714         for 32-bit syms with a plt entry.  Correct ppc64 toc base
715         calculations.  Handle TLS relocs, and more.  Add overflow
716         checking and adjust for Powerpc_relocate_functions changes.
717         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
718         Reinstate --emit-relocs code with FIXME.
719
720 2012-08-30  Alan Modra  <amodra@gmail.com>
721
722         * layout.cc (Layout::set_segment_offsets): Set p_align to
723         abi_pagesize, not common_pagesize.
724         (Layout::relaxation_loop_body): Similarly use abi_pagesize
725         to determine whether file header can go in segment.
726
727 2012-08-30  Alan Modra  <amodra@gmail.com>
728
729         * output.h (Output_reloc::Output_reloc <output section>): Add
730         is_relative param.  Adjust calls.
731         (Output_reloc::add_output_section_relative): New functions.
732         * output.cc (Output_reloc::Output_reloc <output section>): Handle
733         is_relative.
734         (Output_reloc::symbol_value): Handle SECTION_CODE.
735
736 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
737
738         * gold.cc (queue_middle_tasks): Call layout again when unique
739         segments for sections is desired.
740         * layout.cc (Layout::Layout): Initialize new members.
741         (Layout::get_output_section_flags): New function.
742         (Layout::choose_output_section): Call get_output_section_flags.
743         (Layout::layout): Make output section for mapping to a unique segment.
744         (Layout::insert_section_segment_map): New function.
745         (Layout::attach_allocated_section_to_segment): Make unique segment for
746         output sections marked so.
747         (Layout::segment_precedes): Check for unique segments when sorting.
748         * layout.h (Layout::Unique_segment_info): New struct.
749         (Layout::Section_segment_map): New typedef.
750         (Layout::insert_section_segment_map): New function.
751         (Layout::get_output_section_flags): New function.
752         (Layout::is_unique_segment_for_sections_specified): New function.
753         (Layout::set_unique_segment_for_sections_specified): New function.
754         (Layout::unique_segment_for_sections_specified_): New member.
755         (Layout::section_segment_map_): New member.
756         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
757         Rename is_gc_pass_one to is_pass_one.
758         Rename is_gc_pass_two to is_pass_two.
759         Rename is_gc_or_icf to is_two_pass.
760         Check for which pass based on whether symbols data is present.
761         Make it two pass when unique segments for sections is desired.
762         * output.cc (Output_section::Output_section): Initialize new
763         members.
764         * output.h (Output_section::is_unique_segment): New function.
765         (Output_section::set_is_unique_segment): New function.
766         (Output_section::is_unique_segment_): New member.
767         (Output_section::extra_segment_flags): New function.
768         (Output_section::set_extra_segment_flags): New function.
769         (Output_section::extra_segment_flags_): New member.
770         (Output_section::segment_alignment): New function.
771         (Output_section::set_segment_alignment): New function.
772         (Output_section::segment_alignment_): New member.
773         (Output_segment::Output_segment): Initialize is_unique_segment_.
774         (Output_segment::is_unique_segment): New function.
775         (Output_segment::set_is_unique_segment): New function.
776         (Output_segment::is_unique_segment_): New member.
777         * plugin.cc (allow_unique_segment_for_sections): New function.
778         (unique_segment_for_sections): New function.
779         (Plugin::load): Add new functions to transfer vector.
780         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
781         * Makefile.in: Regenerate.
782         * testsuite/plugin_final_layout.sh: Check if unique segment
783         functionality works.
784         * testsuite/plugin_section_order.c (onload): Check if new interfaces
785         are available.
786         (allow_unique_segment_for_sections): New global.
787         (unique_segment_for_sections): New global.
788         (claim_file_hook): Call allow_unique_segment_for_sections.
789         (all_symbols_read_hook): Call unique_segment_for_sections.
790
791 2012-08-22  Cary Coutant  <ccoutant@google.com>
792
793         * layout.cc (Layout::include_section): Don't assert on GROUP
794         sections with --emit-relocs.
795
796 2012-08-21  Cary Coutant  <ccoutant@google.com>
797
798         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
799         if --export-dynamic-symbol names an undef symbol.
800
801 2012-08-18  Alan Modra  <amodra@gmail.com>
802
803         * powerpc.cc: Formatting and white space.
804         (Powerpc_relobj): Rename got2_section_ to special_.
805         Add opd_ent_shndx_ and opd_ent_off_ vectors.
806         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
807         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
808         (Target_powerpc): Add Address typedef and invalid_address.  Use
809         throughout.
810         (Target_powerpc::is_branch_reloc): New function.
811         (Powerpc_relocate_functions): Add Address typedef, use throughout.
812         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
813         for dst_mask, value and addend.
814         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
815         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
816         (Output_data_glink::do_write): Correct toc base.  Don't try to use
817         uint16_t for 24-bit offset.  Use get_output_section_offset and
818         check return.
819         (Target_powerpc::Scan::local): Handle more relocs.
820         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
821         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
822         Plug in toc restoring insn after plt calls.  Translate branches
823         to function descriptor symbols to corresponding entry point.
824         (Target_powerpc::relocate_for_relocatable): Check return from
825         get_output_section_offset.
826         * symtab.h: Comment typo.
827
828 2012-08-14  Ian Lance Taylor  <iant@google.com>
829
830         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
831         unsupported_relocal_local to call unsupported_reloc_global.
832
833 2012-08-14  Nick Clifton  <nickc@redhat.com>
834
835         PR ld/14265
836         * script-sections.cc (Sections_element::output_section_name): Add
837         keep return parameter.
838         (Output_section_element::match_name): Add keep return parameter.
839         Return the value of the keep_ member.
840         * script-sections.h (class Output_section): Update
841         output_section_name prototype.
842         * layout.cc (Layout::keep_input_section): New public member
843         function.
844         (Layout::choose_output_section): Pass keep parameter to
845         output_section_name.
846         * layout.h (class Layout): Add keep_input_section.
847         * object.cc (Sized_relobj_file::do_layout): Check for kept input
848         sections.
849         * testsuite/Makefile.am: Add a test.
850         * testsuite/Makefile.in: Regenerate.
851         * testsuite/pr14265.c: Source file for the test.
852         * testsuite/pr14265.t: Linker script for the test.
853         * testsuite/pr14265.sh: Shell script for the test.
854
855 2012-08-14  Alan Modra  <amodra@gmail.com>
856
857         * target.h (Target::output_section_name): New function.
858         (Target::do_output_section_name): New function.
859         * layout.cc (Layout::choose_output_section): Call the above.
860         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
861
862 2012-08-14  Alan Modra  <amodra@gmail.com>
863
864         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
865         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
866         for replace_constant call.
867         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
868         (Output_data_glink::do_print_to_mapfile): New function.
869         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
870         (Target_powerpc::Relocate::relocate): Likewise.
871
872 2012-08-14  Alan Modra  <amodra@gmail.com>
873
874         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
875         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
876         (Output_data_glink::add_entry,find_entry): Remove shndx param.
877         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
878         all references to shndx_.  Handle special case for R_PPC_PLTREL24
879         here.
880         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
881         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
882         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
883         here.
884         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
885         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
886
887 2012-08-12  Alan Modra  <amodra@gmail.com>
888
889         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
890         (glink insn constants): Use uint32_t.
891         (Output_data_glink::add_entry): Use insert, not [] operator.
892
893 2012-08-11  Alan Modra  <amodra@gmail.com>
894
895         * object.h (Sized_relobj_file::find_shdr): New function.
896         (Sized_relobj_file::find_special_sections): New function.
897         * object.cc (Sized_relobj_file::find_shdr): New function.
898         (Sized_relobj_file::find_eh_frame): Use find_shdr.
899         (Sized_relobj_file::find_special_sections): New function, split out..
900         (Sized_relobj_file::do_read_symbols): ..from here.
901         * output.h (Output_data_got::replace_constant): New function.
902         (Output_data_got::num_entries): New function.
903         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
904         (Output_data_got::got_offset): Protected rather than private.
905         (Output_data_got::replace_got_entry): New function.
906         * output.cc (Output_data_got::replace_got_entry): New function.
907         * powerpc.cc (class Powerpc_relobj): New.
908         (class Powerpc_relocate_functions): Delete all psymval variants or
909         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
910         Implement _ha functions using corresponding _hi function.
911         (Powerpc_relobj::find_special_sections): New function.
912         (Target_powerpc::do_make_elf_object): New function.
913         (class Output_data_got_powerpc): New.
914         (class Output_data_glink): New.
915         (class Powerpc_scan_relocatable_reloc): New.
916         Many more changes througout file.
917
918 2012-08-09  Nick Clifton  <nickc@redhat.com>
919
920         * po/vi.po: Updated Vietnamese translation.
921
922 2012-08-07  Ian Lance Taylor  <iant@google.com>
923
924         * layout.cc (Layout::add_target_dynamic_tags): If
925         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
926         plt_rel.
927
928 2012-07-30  Nick Clifton  <nickc@redhat.com>
929
930         * po/gold.pot: Updated template.
931         * po/es.po: Updated Spanish translation.
932
933 2012-07-18  Cary Coutant  <ccoutant@google.com>
934
935         PR gold/14344
936         * configure.ac: Add check for -gpubnames support.
937         * configure: Regenerate.
938         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
939         support; force -gno-pubnames.
940         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
941         support.
942         (gdb_index_test_4): New test.
943         * testsuite/Makefile.in: Regenerate.
944         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
945         * testsuite/gdb_index_test_2.sh: Likewise.
946         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
947         * testsuite/gdb_index_test_4.sh: New script.
948         * testsuite/gdb_index_test_comm.sh: New script with common code;
949         don't look for space after colon.
950
951 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
952
953         * gold.cc (queue_middle_tasks): Update function order only after
954         deferred objects due to plugins are processed.
955
956 2012-07-11  Ian Lance Taylor  <iant@google.com>
957
958         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
959         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
960         (Target_arm::scan_reloc_for_stub): Likewise.
961         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
962         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
963         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
964         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
965         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
966
967 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
968             Ian Lance Taylor  <iant@google.com>
969
970         PR gold/14309
971         * configure.ac: Test whether std::tr1::hash<off_t> works.
972         * gold.h: Add a specialization for std::tr1::hash<off_t> if
973         needed.
974         * output.h (class Output_fill): Add virtual destructor.
975         * configure, config.in: Rebuild.
976
977 2012-06-22  Roland McGrath  <mcgrathr@google.com>
978
979         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
980
981 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
982
983         * plugin.cc (Plugin::load): Handle position independent executables.
984
985 2012-06-06  Cary Coutant  <ccoutant@google.com>
986
987         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
988         add .debug_macro.
989         (lines_only_debug_sections): Likewise.
990         (gdb_fast_lookup_sections): New static array.
991         (is_gdb_debug_section): Rename formal parameter.
992         (is_lines_only_debug_section): Likewise.
993         (is_gdb_fast_lookup_section): New function.
994         (Layout::include_section): Check for ".zdebug_" prefix; pass
995         section name suffix to is_gdb_debug_section, et al.; check for
996         fast-lookup sections when building .gdb_index.
997         * options.h (--strip-debug-gdb): Update GDB version number.
998
999 2012-06-06  Cary Coutant  <ccoutant@google.com>
1000
1001         * configure.ac: Add check for fallocate.
1002         * configure: Regenerate.
1003         * config.in: Regenerate.
1004
1005         * options.h (class General_options): Add --mmap-output-file and
1006         --posix-fallocate options.
1007         * output.cc: (posix_fallocate): Remove; replace with...
1008         (gold_fallocate): New function.
1009         (Output_file::map_no_anonymous): Call gold_fallocate.
1010         (Output_file::map): Check --mmap-output-file option.
1011
1012 2012-06-05  Jing Yu  <jingyu@google.com>
1013
1014         * gold.h (textdomain): Add do {} to empty while(0).
1015         (bindtextdomain): Likewise.
1016
1017 2012-06-04  Cary Coutant  <ccoutant@google.com>
1018
1019         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1020         has_dynsym_index.
1021
1022 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1023
1024         * symtab.cc (Symbol_table::define_special_symbol):
1025         Initialize *poldsym to prevent uninitialized variable errors.
1026
1027 2012-05-23  Cary Coutant  <ccoutant@google.com>
1028
1029         * layout.cc (Layout::section_name_mapping): Add rules to handle
1030         exact match on .data.rel.ro.local or .data.rel.ro.
1031         (Layout::output_section_name): Check for exact matches.
1032
1033 2012-05-23  Cary Coutant  <ccoutant@google.com>
1034
1035         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1036         more carefully.
1037
1038 2012-05-22  Cary Coutant  <ccoutant@google.com>
1039
1040         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1041         object before exporting symbol.
1042
1043 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1044
1045         * testsuite/tls_test.cc: Include "config.h" first.
1046         * testsuite/tls_test_c.c: Likewise.
1047
1048 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1049             Nick Clifton  <nickc@redhat.com>
1050
1051         PR 14072
1052         * configure.in: Add check that sysdep.h has been included before
1053         any system header files.
1054         * configure: Regenerate.
1055         * config.in: Regenerate.
1056
1057 2012-05-14  Cary Coutant  <ccoutant@google.com>
1058
1059         * layout.cc (Layout::make_output_section): Mark .tdata section
1060         as RELRO.
1061         * testsuite/relro_test.cc: Add a TLS variable.
1062
1063 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1064
1065         PR gold/14091
1066         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1067         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1068         R_X86_64_64.
1069
1070 2012-05-08  Cary Coutant  <ccoutant@google.com>
1071
1072         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1073         (lines_only_debug_sections): Likewise.
1074
1075 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1076
1077         * nacl.cc: New file.
1078         * nacl.h: New file.
1079         * Makefile.am (CCFILES, HFILES): Add them.
1080         * Makefile.in: Regenerate.
1081         * i386.cc (Output_data_plt_i386_nacl): New class.
1082         (Output_data_plt_i386_nacl_exec): New class.
1083         (Output_data_plt_i386_nacl_dyn): New class.
1084         (Target_i386_nacl): New class.
1085         (Target_selector_i386_nacl): New class.
1086         (target_selector_i386): Use it instead of Target_selector_i386.
1087         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1088         (Target_x86_64_nacl): New class.
1089         (Target_selector_x86_64_nacl): New class.
1090         (target_selector_x86_64, target_selector_x32): Use it instead of
1091         Target_selector_x86_64.
1092         * arm.cc (Output_data_plt_arm_nacl): New class.
1093         (Target_arm_nacl): New class.
1094         (Target_selector_arm_nacl): New class.
1095         (target_selector_arm, target_selector_armbe): Use it instead of
1096         Target_selector_arm.
1097
1098         * target-select.cc (select_target): Take new Input_file* and off_t
1099         arguments, pass them on to recognize method of selector.
1100         * object.cc (make_elf_sized_object): Update caller.
1101         * parameters.cc (parameters_force_valid_target): Likewise.
1102         * incremental.cc (make_sized_incremental_binary): Likewise.
1103         * target-select.h: Update decl.
1104         (Target_selector::recognize): Take new Input_file* argument,
1105         pass it on to do_recognize.
1106         (Target_selector::do_recognize): Take new Input_file* argument.
1107         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1108         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1109         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1110         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1111
1112         * target.h (Target::Target_info): New members isolate_execinstr
1113         and rosegment_gap.
1114         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1115         * arm.cc (Target_arm::arm_info): Update initializer.
1116         * i386.cc (Target_i386::i386_info): Likewise.
1117         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1118         * sparc.cc (Target_sparc::sparc_info): Likewise.
1119         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1120         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1121         * layout.cc (Layout::attach_allocated_section_to_segment):
1122         Take new const Target* argument.  If target->isolate_execinstr(), act
1123         like --rosegment.
1124         (Layout::find_first_load_seg): Take new const Target* argument;
1125         if target->isolate_execinstr(), reject PF_X segments.
1126         (Layout::relaxation_loop_body): Update caller.
1127         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1128         reset file offset to zero when we hit LOAD_SEG, and then do a second
1129         loop over the segments before LOAD_SEG to reassign offsets after
1130         addresses have been determined.  Handle target->rosegment_gap().
1131         (Layout::attach_section_to_segment): Take new const Target* argument;
1132         pass it to attach_allocated_section_to_segment.
1133         (Layout::make_output_section): Update caller.
1134         (Layout::attach_sections_to_segments): Take new const Target* argument;
1135         pass it to attach_section_to_segment.
1136         * gold.cc (queue_middle_tasks): Update caller.
1137         * layout.h (Layout): Update method decls with new arguments.
1138
1139         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1140         Target_info pointer to use.
1141         (Target_arm::do_make_data_plt): New virtual method.
1142         (Target_arm::make_data_plt): New method that calls it.
1143         (Target_arm::make_plt_entry): Use it.
1144         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1145         for the section alignment.
1146         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1147         method.
1148         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1149         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1150         method.
1151         (Output_data_plt_arm::get_plt_entry_size): Call it.
1152         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1153         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1154         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1155         method.
1156         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1157         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1158         method instead of sizeof(plt_entry).
1159         (Output_data_plt_arm::add_entry): Likewise.
1160         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1161         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1162         than static method.
1163         (Target_arm::plt_entry_size): Likewise.
1164         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1165         Move to ...
1166         (Output_data_plt_arm_standard): ... here, new class.
1167         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1168         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1169         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1170
1171         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1172         Take additional argument for the PLT entry size.
1173         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1174         Use get_plt_entry_size method rather than plt_entry_size variable.
1175         (Output_data_plt_x86_64::reserve_slot): Likewise.
1176         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1177         (Output_data_plt_x86_64::add_entry): Likewise.
1178         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1179         (Output_data_plt_x86_64::address_for_global): Likewise.
1180         (Output_data_plt_x86_64::address_for_local): Likewise.
1181         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1182         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1183         Make method non-static.
1184         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1185         method.
1186         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1187         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1188         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1189         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1190         virtual method.
1191         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1192         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1193         virtual method.
1194         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1195         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1196         virtual method.
1197         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1198         (Output_data_plt_x86_64::plt_entry_size)
1199         (Output_data_plt_x86_64::first_plt_entry)
1200         (Output_data_plt_x86_64::plt_entry)
1201         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1202         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1203         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1204         (Output_data_plt_x86_64_standard): ... here, new class.
1205         (Target_x86_64::Target_x86_64): Take optional argument for the
1206         Target_info pointer to use.
1207         (Target_x86_64::do_make_data_plt): New virtual method.
1208         (Target_x86_64::make_data_plt): New method to call it.
1209         (Target_x86_64::init_got_plt_for_update): Use that.
1210         Call this->plt_->add_eh_frame method here.
1211         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1212         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1213         rather than static method.
1214         (Target_x86_64::plt_entry_size): Likewise.
1215         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1216         rather than plt_entry_size variable.  Move guts of PLT filling to...
1217         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1218         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1219         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1220
1221         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1222         additional argument for the section alignment.
1223         Don't do add_eh_frame_for_plt here.
1224         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1225         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1226         variable.
1227         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1228         method.
1229         (Output_data_plt_i386::get_plt_entry_size): Call it.
1230         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1231         (Output_data_plt_i386::add_eh_frame): New method to call it.
1232         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1233         method.
1234         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1235         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1236         method.
1237         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1238         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1239         method instead of plt_entry_size.
1240         (Output_data_plt_i386::plt_entry_size)
1241         (Output_data_plt_i386::plt_eh_frame_fde_size)
1242         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1243         (Output_data_plt_i386_standard): ... here, new class.
1244         (Output_data_plt_i386_exec): New class.
1245         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1246         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1247         (Output_data_plt_i386::exec_plt_entry): Move to ...
1248         (Output_data_plt_i386_exec::plt_entry): ... here.
1249         (Output_data_plt_i386_dyn): New class.
1250         (Output_data_plt_i386::first_plt_entry): Move to ...
1251         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1252         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1253         (Output_data_plt_i386_dyn::plt_entry): ... here.
1254         (Target_i386::Target_i386): Take optional argument for the Target_info
1255         pointer to use.
1256         (Target_i386::do_make_data_plt): New virtual method.
1257         (Target_i386::make_data_plt): New method to call it.
1258         (Target_i386::make_plt_section): Use that.
1259         Call this->plt_->add_eh_frame method here.
1260         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1261         rather than plt_entry_size variable.
1262         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1263         (Output_data_plt_i386::address_for_local): Likewise.
1264         (Output_data_plt_i386::do_write): Likewise.
1265         Move guts of PLT filling to...
1266         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1267         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1268         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1269         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1270
1271 2012-05-01  Cary Coutant  <ccoutant@google.com>
1272
1273         * dwarf_reader.cc (Dwarf_die::read_attributes)
1274         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1275         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1276         * reduced_debug_output.cc
1277         (Output_reduced_debug_info_section::get_die_end): Remove
1278         DW_FORM_GNU_ref_index.  Add default case.
1279
1280 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1281
1282         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1283         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1284         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1285         DW_AT_high_pc as offset from DW_AT_low_pc.
1286
1287         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1288         * testsuite/Makefile.in: Regenerate.
1289         * testsuite/gdb_index_test_3.c: New test source file.
1290         * testsuite/gdb_index_test_3.sh: New test source file.
1291
1292 2012-04-25  Ian Lance Taylor  <iant@google.com>
1293
1294         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1295         pointer.
1296         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1297         as a class, not a struct.
1298         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1299         (Target_arm::apply_cortex_a8_workaround): Likewise.
1300         * gc.h: Declare Reloc_types as a struct, not a class.
1301         * object.h: Declare Symbols_data as a struct.
1302         * reloc.h: Declare Read_relocs_data as a struct.
1303         * target.h: Declare Relocate_info as a struct.
1304
1305 2012-04-24  David S. Miller  <davem@davemloft.net>
1306
1307         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1308         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1309         and R_SPARC_WPLT30.
1310
1311 2012-04-24  Cary Coutant  <ccoutant@google.com>
1312
1313         * incremental-dump.cc (find_input_containing_global): Replace
1314         magic number with symbolic constant.
1315         (dump_incremental_inputs): Update version number.
1316         * incremental.cc (Output_section_incremental_inputs): Update version
1317         number; import symbolic constants from Incremental_inputs_reader.
1318         (Incremental_inputs::create_data_sections): Align relocations
1319         section correctly for 64-bit targets.
1320         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1321         constants; add padding.
1322         (Output_section_incremental_inputs::write_header): Add assert for
1323         header_size.
1324         (Output_section_incremental_inputs::write_input_files): Add assert
1325         for input_entry_size.
1326         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1327         add assert for object_info_size, input_section_entry_size,
1328         global_sym_entry_size.
1329         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1330         for data structure sizes; use them.
1331         (Incremental_input_entry_reader): Import symbolic constants from
1332         Incremental_inputs_reader; use them.
1333
1334 2012-04-23  David S. Miller  <davem@davemloft.net>
1335
1336         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1337         and elf_flags_set_.
1338         (Target_sparc::Target_sparc): Initialize new fields.
1339         (Target_sparc::do_make_elf_object): New function.
1340         (Target_sparc::do_adjust_elf_header): New function.
1341
1342 2012-04-23  Cary Coutant  <ccoutant@google.com>
1343
1344         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1345         CU range table of gdb index.
1346
1347 2012-04-20  David S. Miller  <davem@davemloft.net>
1348
1349         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1350         instead of false.
1351
1352 2012-04-16  David S. Miller  <davem@davemloft.net>
1353
1354         * sparc.cc (Target_sparc::got_address): New function.
1355         (Sparc_relocate_functions::gdop_hix22): New function.
1356         (Sparc_relocate_functions::gdop_lox10): New function.
1357         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1358         relocs.
1359         (Target_sparc::Scan::local): Likewise if the global symbol is not
1360         preemptible and is not IFUNC.
1361         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1362         transformations for local and non-preemptible non-IFUNC global
1363         symbols.
1364
1365         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1366         writing out 64-bit part of ranges.
1367
1368         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1369         -fpic and -fpie respectively.
1370         * Makefile.in: Regenerate.
1371
1372         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1373         (Target_sparc::Target_sparc): Initialize new field.
1374         (Target_sparc::do_plt_section_for_global): New function.
1375         (Target_sparc::do_plt_section_for_local): New function.
1376         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1377         (Target_sparc::make_plt_section): New function, broken out of
1378         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1379         (Target_sparc::make_plt_entry): Call make_plt_section.
1380         (Target_sparc::make_local_ifunc_plt_entry): New function.
1381         (Target_sparc::rela_ifunc_section): New function.
1382         (Target_sparc::plt_section): Remove const.
1383         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1384         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1385         and ifunc_count_ fields.
1386         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1387         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1388         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1389         (Output_data_plt_sparc::rela_ifunc): New function.
1390         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1391         (Output_data_plt_sparc::has_ifunc_section): New function.
1392         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1393         (Output_data_plt_sparc::address_for_global): New function.
1394         (Output_data_plt_sparc::address_for_local): New function.
1395         (Output_data_plt_sparc::plt_index_to_offset): New function.
1396         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1397         and entry_count.
1398         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1399         entry_count.
1400         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1401         R_SPARC_JMP_IREL to switch.
1402         (Target_sparc::Scan::check_non_pic): Likewise.
1403         (Target_sparc::Scan::local): Handle IFUNC symbols.
1404         (Target_sparc::Scan::local): Likewise.
1405         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1406         and plt_address_for_local.
1407         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1408         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1409
1410         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1411         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1412         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1413         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1414         global relocs too.
1415         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1416         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1417         calls.
1418         * sparc.cc (Target_sparc::Scan::global): Likewise.
1419         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1420
1421 2012-04-16  Cary Coutant  <ccoutant@google.com>
1422
1423         * archive.cc (Library_base::should_include_member): Check for
1424         --export-dynamic-symbol.
1425         * options.h (class General_options): Add --export-dynamic-symbol.
1426         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1427         --export-dynamic-symbol.
1428         (Symbol_table::gc_mark_undef_symbols): Likewise.
1429         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1430
1431 2012-04-12  David S. Miller  <davem@davemloft.net>
1432
1433         * sparc.cc (Reloc::wdisp10): New relocation method.
1434         (Reloc::h34): Likewise.
1435         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1436         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1437         R_SPARC_WDISP10.
1438         (Target_sparc::Scan::local): Likewise.
1439         (Target_sparc::Scan::global): Likewise.
1440         (Target_sparc::Relocate::relocate): Likewise.
1441
1442 2012-04-09  Cary Coutant  <ccoutant@google.com>
1443
1444         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1445         low_pc == 0.
1446
1447 2012-04-06  Ian Lance Taylor  <iant@google.com>
1448
1449         * timer.cc: #include <unistd.h>.
1450
1451 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1452
1453         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1454         * config.in: Regenerate.
1455         * configure: Regenerate.
1456
1457 2012-04-05  Nick Clifton  <nickc@redhat.com>
1458
1459         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1460         (AM_LC_MESSAGES): Add.
1461         * aclocal.m4: Regenerate.
1462         * config.in: Regenerate.
1463         * configure: Regenerate.
1464
1465 2012-03-21  Cary Coutant  <ccoutant@google.com>
1466
1467         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1468         * Makefile.in: Regenerate.
1469         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1470         (Sized_elf_reloc_mapper::symbol_section): New function.
1471         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1472         (make_elf_reloc_mapper): New function.
1473         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1474         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1475         (Dwarf_abbrev_table::do_get_abbrev): New function.
1476         (Dwarf_ranges_table::read_ranges_table): New function.
1477         (Dwarf_ranges_table::read_range_list): New function.
1478         (Dwarf_pubnames_table::read_section): New function.
1479         (Dwarf_pubnames_table::read_header): New function.
1480         (Dwarf_pubnames_table::next_name): New function.
1481         (Dwarf_die::Dwarf_die): New function.
1482         (Dwarf_die::read_attributes): New function.
1483         (Dwarf_die::skip_attributes): New function.
1484         (Dwarf_die::set_name): New function.
1485         (Dwarf_die::set_linkage_name): New function.
1486         (Dwarf_die::attribute): New function.
1487         (Dwarf_die::string_attribute): New function.
1488         (Dwarf_die::int_attribute): New function.
1489         (Dwarf_die::uint_attribute): New function.
1490         (Dwarf_die::ref_attribute): New function.
1491         (Dwarf_die::child_offset): New function.
1492         (Dwarf_die::sibling_offset): New function.
1493         (Dwarf_info_reader::check_buffer): New function.
1494         (Dwarf_info_reader::parse): New function.
1495         (Dwarf_info_reader::do_parse): New function.
1496         (Dwarf_info_reader::do_read_string_table): New function.
1497         (Dwarf_info_reader::lookup_reloc): New function.
1498         (Dwarf_info_reader::get_string): New function.
1499         (Dwarf_info_reader::visit_compilation_unit): New function.
1500         (Dwarf_info_reader::visit_type_unit): New function.
1501         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1502         Sized_elf_reloc_mapper.
1503         (Sized_dwarf_line_info::symbol_section): Remove function.
1504         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1505         (Sized_dwarf_line_info::read_line_mappings): Remove object
1506         parameter, adjust callers.
1507         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1508         * dwarf_reader.h: Include <sys/types.h>.
1509         (class Track_relocs): Remove forward declaration.
1510         (class Elf_reloc_mapper): New class.
1511         (class Sized_elf_reloc_mapper): New class.
1512         (class Dwarf_abbrev_table): New class.
1513         (class Dwarf_range_list): New class.
1514         (class Dwarf_ranges_table): New class.
1515         (class Dwarf_pubnames_table): New class.
1516         (class Dwarf_die): New class.
1517         (class Dwarf_info_reader): New class.
1518         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1519         (Sized_dwarf_line_info::symbol_section): Remove member function.
1520         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1521         base class.
1522         * gdb-index.cc: New source file.
1523         * gdb-index.h: New source file.
1524         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1525         and .debug_types sections, call Layout::add_to_gdb_index.
1526         (Sized_relobj_incr::do_section_name): Implement.
1527         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1528         return type; Implement.
1529         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1530         return type.
1531         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1532         parameter list and return type.
1533         (Sized_incr_dynobj::do_section_contents): Likewise.
1534         * layout.cc: Include gdb-index.h.
1535         (Layout::Layout): Initialize gdb_index_data_.
1536         (Layout::init_fixed_output_section): Check for .gdb_index section.
1537         (Layout::add_to_gdb_index): New function. Instantiate.
1538         * layout.h: Add forward declaration for class Gdb_index.
1539         (Layout::add_to_gdb_index): New member function.
1540         (Layout::gdb_index_data_): New data member.
1541         * main.cc: Include gdb-index.h.
1542         (main): Print statistics for gdb index.
1543         * object.cc (Object::section_contents): Move code into
1544         do_section_contents.
1545         (need_decompressed_section): Check for sections needed when building
1546         gdb index.
1547         (build_compressed_section_map): Likewise.
1548         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1549         gdb index.
1550         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1551         sections; call Layout::add_to_gdb_index.
1552         (Sized_relobj_file::do_decompressed_section_contents): Call
1553         do_section_contents directly.
1554         * object.h (Object::do_section_contents): Adjust parameter list and
1555         return type.
1556         (Object::do_decompressed_section_contents): Call do_section_contents
1557         directly.
1558         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1559         return type.
1560         * options.h (class General_options): Add --gdb-index option.
1561         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1562         list and return type.
1563         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1564         * reloc.h (Track_relocs::checkpoint): New function.
1565         (Track_relocs::reset): New function.
1566
1567         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1568         New test cases.
1569         * testsuite/Makefile.in: Regenerate.
1570         * testsuite/gdb_index_test.cc: New test source file.
1571         * testsuite/gdb_index_test_1.sh: New test source file.
1572         * testsuite/gdb_index_test_2.sh: New test source file.
1573
1574 2012-03-19  Doug Kwan  <dougkwan@google.com>
1575
1576         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1577         (Target_arm::do_finalize_sections): Remove code which defines
1578         __exidx_start and __exidx_end.  Make symbol table parameter
1579         anonymous as it is not used.
1580         * gold.cc (queue_middle_tasks): Call target hook to define any
1581         target-specific symbols.
1582         * target.h (Target::define_standard_symbols): New method.
1583         (Target::do_define_standard_symbols): Same.
1584         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1585         * testsuite/Makefile.in: Regenerate.
1586         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1587         and __exidx_end.
1588         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1589         relocations are generated for __exidx_start and __exidx_end.
1590
1591 2012-03-16  Doug Kwan  <dougkwan@google.com>
1592
1593         * testsuite/Makefile.am: Disable test initpri3b.
1594         * testsuite/Makefile.in: Regenerate.
1595
1596 2012-03-15  Doug Kwan  <dougkwan@google.com>
1597
1598         * arm.cc (Target_arm::got_section): Make .got section read-only
1599         if -z now is given.
1600
1601 2012-03-15  Ian Lance Taylor  <iant@google.com>
1602
1603         PR gold/13850
1604         * layout.cc (Layout::make_output_section): Correctly mark
1605         SHT_INIT_ARRAY, et. al., as relro.
1606
1607 2012-03-14  Doug Kwan  <dougkwan@google.com>
1608
1609         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1610         dynamic relocations for protected symbols in shared objects.
1611
1612 2012-03-13  Ian Lance Taylor  <iant@google.com>
1613
1614         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1615         keep the larger alignment.
1616
1617 2012-03-12  Cary Coutant  <ccoutant@google.com>
1618
1619         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1620         handling of DW_LNE_define_file.
1621
1622 2012-03-12  Cary Coutant  <ccoutant@google.com>
1623
1624         * reduced_debug_output.cc
1625         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1626         codes to switch.
1627
1628 2012-02-29  Cary Coutant  <ccoutant@google.com>
1629
1630         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1631
1632 2012-02-29  Cary Coutant  <ccoutant@google.com>
1633
1634         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1635         Call Object::decompressed_section_contents.
1636         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1637         New dtor.
1638         (Sized_dwarf_line_info::buffer_start_): New data member.
1639         * merge.cc (Output_merge_data::do_add_input_section): Call
1640         Object::decompressed_section_contents.
1641         (Output_merge_string::do_add_input_section): Likewise.
1642         * object.cc (need_decompressed_section): New function.
1643         (build_compressed_section_map): Decompress sections needed later.
1644         (Sized_relobj_file::do_decompressed_section_contents): New function.
1645         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1646         * object.h (Object::decompressed_section_contents): New function.
1647         (Object::discard_decompressed_sections): New function.
1648         (Object::do_decompressed_section_contents): New function.
1649         (Object::do_discard_decompressed_sections): New function.
1650         (Compressed_section_info): New type.
1651         (Compressed_section_map): Include decompressed section contents.
1652         (Sized_relobj_file::do_decompressed_section_contents): New function.
1653         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1654
1655 2012-02-16  Cary Coutant  <ccoutant@google.com>
1656
1657         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1658         * testsuite/Makefile.in: Regenerate.
1659
1660 2012-02-14  Cary Coutant  <ccoutant@google.com>
1661
1662         * options.cc (General_options::finalize): Disallow -pie and -static.
1663
1664 2012-02-03  Doug Kwan  <dougkwan@google.com>
1665
1666         * arm.cc (Arm_relocate_functions::abs8,
1667         Arm_relocate_functions::abs16): Use
1668         Bits::has_signed_unsigned_overflow32.
1669         (Arm_relocate_functions::thm_abs8): Correct range of
1670         overflow check.
1671         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1672         in assertions.
1673
1674 2012-02-02  Doug Kwan  <dougkwan@google.com>
1675
1676         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1677         position independent outputs, not just shared objects.
1678
1679 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1680
1681         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1682         * configure: Regenerated.
1683
1684 2012-01-27  Ian Lance Taylor  <iant@google.com>
1685
1686         * reloc.h (Bits): New class with static functions, copied from
1687         namespace utils in arm.cc.
1688         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1689         instead.
1690
1691 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1692
1693         * incremental.cc (write_info_blocks): Correct relocation offset.
1694
1695 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1696
1697         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1698         (Relocate::tls_gd_to_le): Likewise.
1699
1700 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1701
1702         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1703
1704 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1705
1706         * configure.ac: Check if -mcmodel=medium works.
1707         * configure: Regenerated.
1708
1709 2012-01-24  Cary Coutant  <ccoutant@google.com>
1710
1711         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1712         definition and ...
1713         (read_unsigned_LEB_128_x): ... this new function.
1714         (read_signed_LEB_128): Replaced with inline definition and ...
1715         (read_signed_LEB_128_x): ... this new function.
1716         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1717         (read_unsigned_LEB_128): Add inline definition.
1718         (read_signed_LEB_128_x): New function.
1719         (read_signed_LEB_128): Add inline definition.
1720         * testsuite/Makefile.am (leb128_unittest): New unit test.
1721         * testsuite/Makefile.in: Regenerate.
1722         * testsuite/leb128_unittest.cc: New unit test.
1723
1724 2012-01-23  Ian Lance Taylor  <iant@google.com>
1725
1726         PR gold/13617
1727         * i386.cc (Target_i386::do_code_fill): When using a jmp
1728         instruction, pad with nop instructions.
1729         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1730
1731 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1732
1733         * x86_64.cc (gc_process_relocs): Add typename on types used in
1734         template.
1735         (scan_relocs): Likewise.
1736         (relocate_section): Likewise.
1737         (apply_relocation): Likewise.
1738
1739 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1740
1741         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1742         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1743         under x32.
1744
1745 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1746
1747         * x86_64.cc: Initial support for x32.
1748
1749 2012-01-03  Cary Coutant  <ccoutant@google.com>
1750
1751         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1752         Use abstract base class for GOT.
1753         * gold/output.h (class Output_data_got_base): New abstract base class.
1754         (class Output_data_got): Derive from new base class, adjust ctors.
1755         (Output_data_got::reserve_slot): Make virtual; rename to
1756         do_reserve_slot; Adjust callers.
1757         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1758         pointer to abstract base class.
1759         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1760
1761 2011-12-18  Ian Lance Taylor  <iant@google.com>
1762
1763         * object.h (Relobj::local_symbol_value): New function.
1764         (Relobj::local_plt_offset): New function.
1765         (Relobj::local_has_got_offset): New function.
1766         (Relobj::local_got_offset): New function.
1767         (Relobj::set_local_got_offset): New function.
1768         (Relobj::do_local_symbol_value): New pure virtual function.
1769         (Relobj::do_local_plt_offset): Likewise.
1770         (Relobj::do_local_has_got_offset): Likewise.
1771         (Relobj::do_local_got_offset): Likewise.
1772         (Relobj::do_set_local_got_offset): Likewise.
1773         (Sized_relobj::do_local_has_got_offset): Rename from
1774         local_has_got_offset.
1775         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1776         (Sized_relobj::do_set_local_got_offset): Rename from
1777         set_local_got_offset.
1778         (Sized_relobj_file::do_local_plt_offset): Rename from
1779         local_plt_offset.
1780         (Sized_relobj_file::do_local_symbol_value): New function.
1781         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1782         local_plt_offset.
1783         * output.cc (Output_data_got::Got_entry::write): Change object to
1784         Relobj.  Use local_symbol_value.
1785         (Output_data_got::add_global_with_rel): Change rel_dyn to
1786         Output_data_reloc_generic*.  Use add_global_generic.
1787         (Output_data_got::add_global_with_rela): Remove.  Change all
1788         callers to use add_global_with_rel.
1789         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1790         Output_data_reloc_generic*.  Use add_global_generic.
1791         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1792         callers to use add_global_pair_with_rel.
1793         (Output_data_got::add_local): Change object to Relobj*.
1794         (Output_data_got::add_local_plt): Likewise.
1795         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1796         change rel_dyn to Output_data_reloc_generic*.  Use
1797         add_local_generic.
1798         (Output_data_got::add_local_with_rela): Remove.  Change all
1799         callers to use all_local_with_rel.
1800         (Output_data_got::add_local_pair_with_rel): Change object to
1801         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1802         add_output_section_generic.
1803         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1804         callers to use add_local_pair_with_rel.
1805         (Output_data_got::reserve_local): Change object to Relobj*.
1806         * output.h: (class Output_data_reloc_generic): Add pure virtual
1807         declarations for add_global_generic, add_local_generic,
1808         add_output_section_generic.
1809         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1810         functions for Output_data_reloc_generic.  Update declarations for
1811         changes listed in output.cc.
1812         (class Output_data_got): Change template parameter to got_size.
1813         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1814         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1815         function.
1816         (Sized_relobj_incr::do_local_plt_offset): New function.
1817         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1818         add_global_generic.
1819
1820 2011-12-17  Cary Coutant  <ccoutant@google.com>
1821
1822         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1823         * resolve.cc (Symbol_table::resolve): Likewise.
1824         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1825         arrays.
1826         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1827
1828 2011-12-16  Ian Lance Taylor  <iant@google.com>
1829
1830         * output.h (Output_data_reloc_generic::add): Only call
1831         add_dynamic_reloc if this is a dynamic reloc section.
1832
1833 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1834
1835         PR gold/13505
1836         * target-reloc.h (apply_relocation): Replace <64, false> with
1837         <size, big_endian>.
1838
1839 2011-11-25  Nick Clifton  <nickc@redhat.com>
1840
1841         * po/it.po: New Italian translation.
1842
1843 2011-11-17  Sterling Augustine  <saugustine@google.com>
1844
1845         * script.cc (script_include_directive): Implement.
1846         (read_script_file): New local variables name and search_path. Update
1847         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1848         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1849         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1850
1851 2011-11-11  Sterling Augustine  <saugustine@google.com>
1852
1853         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1854         (file_or_sections_cmd): Likewise.
1855
1856 2011-11-11  Doug Kwan  <dougkwan@google.com>
1857
1858         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1859         if --just-symbols is given.
1860
1861 2011-11-10  Doug Kwan  <dougkwan@google.com>
1862
1863         PR gold/13362
1864         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1865         when processing data relocs.
1866         * reloc.h (Relocate_functions::rel_unaligned): New method.
1867         (Relocate_functions::pcrel_unaligned): Ditto.
1868         (Relocate_functions::rel32_unaligned): Ditto.
1869         (Relocate_functions::pcrel32_unaligned): Ditto.
1870
1871 2011-11-09  Doug Kwan  <dougkwan@google.com>
1872
1873         PR gold/13362
1874         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1875         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1876         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1877         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1878         (Relocate_functions::rel_unaligned): New.
1879         (Relocate_functions::rel32_unaligned): New.
1880         * target-reloc.h (relocate_for_relocatable): Add code to handle
1881         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1882         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1883         arm_unaligned_reloc_r): New targets.
1884         * testsuite/Makefile.in: Regenerate.
1885         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1886         linking.
1887
1888 2011-11-02  Ian Lance Taylor  <iant@google.com>
1889
1890         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1891         NATIVE_LINKER.
1892         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1893         * options.cc (General_options::finalize): Use library search path
1894         from configure script if specified.  If not native and no sysroot,
1895         only search TOOLLIBDIR.
1896         * options.h (Search_directory::Search_directory): Change name to
1897         const std::string&.
1898         (General_options::add_to_library_path_with_sysroot): Change arg to
1899         const std::string&.
1900         * configure, Makefile.in, config.in: Rebuild.
1901
1902 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1903
1904         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1905         we are working around the ARM1176 Erratum.
1906         * options.h (General_options::fix_arm1176): Add option.
1907         * testsuite/Makefile.am: Add testcases, and keep current ones
1908         working.
1909         * testsuite/Makefile.in: Regenerate.
1910         * testsuite/arm_fix_1176.s: New file.
1911         * testsuite/arm_fix_1176.sh: Likewise.
1912
1913 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1914
1915         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1916         may_use_blx_.
1917         (Target_arm::may_use_blx): Remove method.
1918         (Target_arm::set_may_use_blx): Likewise.
1919         (Target_arm::may_use_v4t_interworking): New method.
1920         (Target_arm::may_use_v5t_interworking): Likewise.
1921         (Target_arm::may_use_blx_): Remove member variable.
1922         (Arm_relocate_functions::arm_branch_common): Check for v5T
1923         interworking.
1924         (Arm_relocate_functions::thumb_branch_common): Likewise.
1925         (Reloc_stub::stub_type_for_reloc): Likewise.
1926         (Target_arm::do_finalize_sections): Correct interworking checks.
1927         * testsuite/Makefile.am: Add new tests.
1928         * testsuite/Makefile.in: Regenerate.
1929         * testsuite/arm_farcall_arm_arm.s: New test.
1930         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1931         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1932         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1933         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1934         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1935         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1936         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1937
1938 2011-10-31  Cary Coutant  <ccoutant@google.com>
1939
1940         PR gold/13023
1941         * expression.cc (Expression::eval_with_dot): Add
1942         is_section_dot_assignment parameter.
1943         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1944         absolute and assigning to dot within a section.
1945         * script-sections.cc
1946         (Output_section_element_assignment::set_section_addresses): Pass
1947         dot_section to set_if_absolute.
1948         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1949         as is_section_dot_assignment flag to eval_with_dot.
1950         (Output_section_element_dot_assignment::set_section_addresses):
1951         Likewise.
1952         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1953         parameter.  Also set value if relative to dot_section; set the
1954         symbol's output_section.
1955         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1956         parameter.  Adjust all callers.
1957         (Expression::eval_maybe_dot): Likewise.
1958         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1959         Adjust all callers.
1960         * testsuite/script_test_2.t: Test assignment of an absolute value
1961         to dot within an output section element.
1962
1963 2011-10-31  Cary Coutant  <ccoutant@google.com>
1964
1965         * options.h (class General_options): Add --[no-]gnu-unique options.
1966         * symtab.cc (Symbol_table::sized_write_globals): Convert
1967         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1968
1969 2011-10-31  Cary Coutant  <ccoutant@google.com>
1970
1971         PR gold/13359
1972         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1973         unnecessary assertion.
1974         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1975
1976 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1977
1978         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1979         gc_mark_symbol.
1980         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1981         gc_mark_symbol.
1982         Change to just keep the section associated with symbol.
1983         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1984         they are externally visible and --export-dynamic is turned on.
1985         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1986
1987 2011-10-19  Ian Lance Taylor  <iant@google.com>
1988
1989         PR gold/13163
1990         * script-sections.cc
1991         (Output_section_element_dot_assignment::needs_output_section): New
1992         function.
1993
1994 2011-10-19  Ian Lance Taylor  <iant@google.com>
1995
1996         PR gold/13204
1997         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1998         --section-start option was seen.
1999         * options.h (General_options::any_section_start): New function.
2000
2001 2011-10-18  David S. Miller  <davem@davemloft.net>
2002
2003         PR binutils/13301
2004         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2005         member to track relocation locations that have moved during TLS
2006         reloc optimizations.
2007         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2008         (Target_sparc::Relocate::relocate): Adjust view down by 4
2009         bytes if it matches reloc_adjust_addr_.
2010         (Target_sparc::Relocate::relocate_tls): Always move the
2011         __tls_get_addr call delay slot instruction forward 4 bytes when
2012         performing relaxation.
2013
2014 2011-10-18  Cary Coutant  <ccoutant@google.com>
2015
2016         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2017         (Output_file::map_no_anonymous): Check for non-zero
2018         return code from posix_fallocate.
2019
2020 2011-10-17  Cary Coutant  <ccoutant@google.com>
2021
2022         PR gold/13245
2023         * plugin.cc (is_visible_from_outside): Check for symbols
2024         referenced from dynamic objects.
2025         * resolve.cc (Symbol_table::resolve): Don't count references
2026         from dynamic objects as references from real ELF files.
2027         * testsuite/plugin_test_2.sh: Adjust expected result.
2028
2029 2011-10-17  Cary Coutant  <ccoutant@google.com>
2030
2031         * gold.cc: Include timer.h.
2032         (queue_middle_tasks): Stamp time.
2033         (queue_final_tasks): Likewise.
2034         * main.cc (main): Store timer in parameters.  Print timers
2035         for each pass.
2036         * parameters.cc (Parameters::Parameters): Initialize timer_.
2037         (Parameters::set_timer): New function.
2038         (set_parameters_timer): New function.
2039         * parameters.h (Parameters::set_timer): New function.
2040         (Parameters::timer): New function.
2041         (Parameters::timer_): New data member.
2042         (set_parameters_timer): New function.
2043         * timer.cc (Timer::stamp): New function.
2044         (Timer::get_pass_time): New function.
2045         * timer.h (Timer::stamp): New function.
2046         (Timer::get_pass_time): New function.
2047         (Timer::pass_times_): New data member.
2048
2049 2011-10-17  Cary Coutant  <ccoutant@google.com>
2050
2051         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2052         task for members of lib groups.
2053
2054 2011-10-17  Cary Coutant  <ccoutant@google.com>
2055
2056         PR gold/13288
2057         * fileread.cc (File_read::find_view): Add assert.
2058         (File_read::make_view): Move bounds check (replace with assert)...
2059         (File_read::find_or_make_view): ... to here.
2060
2061 2011-10-12  Cary Coutant  <ccoutant@google.com>
2062
2063         * output.cc (Output_file::open_base_file): Handle case where
2064         ::read returns less than requested size.
2065
2066 2011-10-10  Cary Coutant  <ccoutant@google.com>
2067
2068         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2069         Initialize defined_count_.
2070         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2071         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2072         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2073         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2074         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2075         * incremental.h (Sized_relobj_incr::defined_count_): New data
2076         member.
2077         (Sized_incr_dynobj::defined_count_): New data member.
2078         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2079         Return zeroes instead of internal error.
2080
2081 2011-10-10  Cary Coutant  <ccoutant@google.com>
2082
2083         PR gold/13249
2084         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2085         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2086         * output.h (class Output_reloc): Add use_plt_offset flag.
2087         (Output_reloc::type_): Adjust size of bit field.
2088         (Output_reloc::use_plt_offset_): New bit field.
2089         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2090         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2091         flag.  Adjust all callers.
2092         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2093         creating RELATIVE relocations.
2094
2095 2011-10-10  Nick Clifton  <nickc@redhat.com>
2096
2097         * po/es.po: Updated Spanish translation.
2098         * po/fi.po: Updated Finnish translation.
2099
2100 2011-10-03   Diego Novillo  <dnovillo@google.com>
2101
2102         * options.cc (parse_uint): Fix dereference of RETVAL.
2103
2104 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2105
2106         * layout.h (section_order_map_): New member.
2107         (get_section_order_map): New member function.
2108         * output.cc (Output_section::add_input_section): Check for patterns
2109         only when --section-ordering-file is specified.
2110         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2111         output_sections have been formed.
2112         * layout.cc (Layout_Layout): Initialize section_order_map_.
2113         * plugin.cc (update_section_order): Store order in order_map. Do not
2114         update the order.
2115         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2116         * testsuite/Makefile.in: Regenerate.
2117         * testsuite/plugin_section_order.c: New file.
2118         * testsuite/plugin_final_layout.cc: New file.
2119         * testsuite/plugin_final_layout.sh: New file.
2120
2121 2011-09-29  Cary Coutant  <ccoutant@google.com>
2122
2123         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2124         Check for NULL.
2125         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2126         symbols during incremental update.
2127         (Symbol_table::add_from_dynobj): Likewise.
2128
2129 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2130             Ian Lance Taylor  <iant@google.com>
2131
2132         * symtab.cc (Symbol_table::define_special_symbol): Always
2133         canonicalize version string.
2134
2135 2011-09-26  Cary Coutant  <ccoutant@google.com>
2136
2137         * gold.cc (queue_initial_tasks): Move option checks ...
2138         * options.cc (General_options::finalize): ... to here. Disable
2139         some options; make others fatal.
2140
2141 2011-09-26  Cary Coutant  <ccoutant@google.com>
2142
2143         gcc PR lto/47247
2144         * plugin.cc (get_symbols_v2): New function.
2145         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2146         (is_referenced_from_outside): New function.
2147         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2148         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2149         (get_symbols): Pass version parameter.
2150         (get_symbols_v2): New function.
2151         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2152         parameter.
2153         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2154         (onload): Add LDPT_GET_SYMBOLS_V2.
2155         (all_symbols_read_hook): Use get_symbols_v2; check for
2156         LDPR_PREVAILING_DEF_IRONLY_EXP.
2157         * testsuite/plugin_test_3.sh: Update expected results.
2158
2159 2011-09-23  Simon Baldwin  <simonb@google.com>
2160
2161         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2162         configuration options.
2163         * configure: Regenerate.
2164         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2165         * Makefile.in: Regenerate.
2166         * testsuite/Makefile.in: Regenerate.
2167
2168 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2169
2170         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2171
2172 2011-09-19  Cary Coutant  <ccoutant@google.com>
2173
2174         * incremental.cc (can_incremental_update): Fix typo in comment.
2175         * incremental.h (can_incremental_update): Likewise.
2176
2177 2011-09-18  Cary Coutant  <ccoutant@google.com>
2178
2179         * incremental.cc (can_incremental_update): New function.
2180         * incremental.h (can_incremental_update): New function.
2181         * layout.cc (Layout::init_fixed_output_section): Call it.
2182         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2183         * object.cc (Sized_relobj_file::do_layout): Call
2184         can_incremental_update.
2185
2186 2011-09-13  Cary Coutant  <ccoutant@google.com>
2187
2188         * configure.ac: Check for glibc support for gnu_indirect_function
2189         support with static linking, setting automake conditional
2190         IFUNC_STATIC.
2191         * Makefile.in: Regenerate.
2192         * configure: Regenerate.
2193
2194         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2195         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2196         for IFUNC_STATIC.
2197         * testsuite/Makefile.in: Regenerate.
2198
2199 2011-09-13  Cary Coutant  <ccoutant@google.com>
2200
2201         * incremental.cc (Sized_relobj_incr::do_layout): Call
2202         report_comdat_group for kept comdat sections.
2203         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2204         * testsuite/Makefile.in: Regenerate.
2205         * testsuite/incr_comdat_test_1.cc: New source file.
2206         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2207         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2208         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2209
2210 2011-09-13  Ian Lance Taylor  <iant@google.com>
2211
2212         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2213         variable external_symbols_offset.
2214
2215 2011-09-12  Ian Lance Taylor  <iant@google.com>
2216
2217         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2218         triggered if object has no symbols.
2219
2220 2011-09-09  David S. Miller  <davem@davemloft.net>
2221
2222         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2223         (Output_fill_debug_line::do_write): Likewise.
2224
2225 2011-08-29  Cary Coutant  <ccoutant@google.com>
2226
2227         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2228         casts to match formatting specs.
2229         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2230
2231 2011-08-26  Cary Coutant  <ccoutant@google.com>
2232
2233         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2234         remaining hole size when allocating.
2235         (Layout::make_output_section): Set fill methods for debug sections.
2236         * layout.h (Free_list::Free_list_node): Move from private to
2237         public.
2238         (Free_list::set_min_hole_size): New function.
2239         (Free_list::begin, Free_list::end): New functions.
2240         (Free_list::min_hole_): New data member.
2241         * output.cc: Include dwarf.h.
2242         (Output_fill_debug_info::do_minimum_hole_size): New function.
2243         (Output_fill_debug_info::do_write): New function.
2244         (Output_fill_debug_line::do_minimum_hole_size): New function.
2245         (Output_fill_debug_line::do_write): New function.
2246         (Output_section::Output_section): Initialize new data member.
2247         (Output_section::set_final_data_size): Ensure patch space is larger
2248         than minimum hole size.
2249         (Output_section::do_write): Fill holes in debug sections.
2250         * output.h (Output_fill): New class.
2251         (Output_fill_debug_info): New class.
2252         (Output_fill_debug_line): New class.
2253         (Output_section::set_free_space_fill): New function.
2254         (Output_section::free_space_fill_): New data member.
2255         * testsuite/Makefile.am (incremental_test_3): Add
2256         --incremental-patch option.
2257         (incremental_test_4): Likewise.
2258         (incremental_test_5): Likewise.
2259         (incremental_test_6): Likewise.
2260         (incremental_copy_test): Likewise.
2261         (incremental_common_test_1): Likewise.
2262         * testsuite/Makefile.in: Regenerate.
2263
2264 2011-08-26  Nick Clifton  <nickc@redhat.com>
2265
2266         * po/es.po: Updated Spanish translation.
2267
2268 2011-08-01  Cary Coutant  <ccoutant@google.com>
2269
2270         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2271         * gold/testsuite/Makefile.in: Regenerate.
2272         * gold/testsuite/justsyms_exec.c: New source file.
2273         * gold/testsuite/justsyms_lib.c: New source file.
2274
2275 2011-08-01  Cary Coutant  <ccoutant@google.com>
2276
2277         * layout.cc (Layout::set_segment_offsets): Don't realign text
2278         segment if -Ttext was specified.
2279         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2280         file type.
2281         * object.h (Sized_relobj_file::e_type): New function.
2282         (Sized_relobj_file::e_type_): New data member.
2283         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2284         base address for ET_EXEC files.
2285         * target.cc (Target::do_make_elf_object_implementation): Allow
2286         ET_EXEC files with --just-symbols option.
2287
2288 2011-07-28  Cary Coutant  <ccoutant@google.com>
2289
2290         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2291         Add thread_number parameter.
2292         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2293         * workqueue-threads.cc
2294         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2295         current thread if its thread number is greater than desired thread
2296         count.
2297         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2298         Add thread_number parameter.
2299         (Workqueue::should_cancel_thread): Likewise.
2300         (Workqueue::find_runnable_or_wait): Pass thread_number to
2301         should_cancel_thread.
2302         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2303         parameter.
2304
2305 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2306
2307         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2308         only after checking if it cannot be forced local.
2309         * symtab.h (is_externally_visible): Check if the symbol is not forced
2310         local.
2311
2312 2011-07-15  Ian Lance Taylor  <iant@google.com>
2313
2314         * options.h (class General_options): Add --print-output-format.
2315         Move -EL next to -EB, for  better --help output.
2316         * target-select.cc: Include <cstdio>, "options.h", and
2317         "parameters.h".
2318         (Target_selector::do_target_bfd_name): New function.
2319         (print_output_format): New function.
2320         * target-select.h (class Target_selector): Update declarations.
2321         (Target_selector::target_bfd_name): New function.
2322         (print_output_format): Declare.
2323         * main.cc: Include "target-select.h".
2324         (main): Handle --print-output-format.
2325         * gold.cc: Include "target-select.h".
2326         (queue_initial_tasks): Handle --print-output-format when there are
2327         no input files.
2328         * parameters.cc (parameters_force_valid_target): Give a better
2329         error message if -EB/-EL does not match target.
2330         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2331         function.
2332
2333 2011-07-15  Ian Lance Taylor  <iant@google.com>
2334
2335         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2336         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2337         (Output_data_plt_i386::do_write): Write address of .dynamic
2338         section to first entry in .got.plt section.
2339         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2340         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2341         Initialize layout_.
2342         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2343         section to first entry in .got.plt section.
2344         * layout.h (Layout::dynamic_section): New function.
2345
2346 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2347
2348         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2349         to claim_file call.
2350         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2351         input_section_position_, and input_section_glob_.
2352         (read_layout_from_file): Call function section_ordering_specified.
2353         * layout.h (is_section_ordering_specified): New function.
2354         (section_ordering_specified): New function.
2355         (section_ordering_specified_): New boolean member.
2356         * main.cc(main): Call load_plugins after layout object is defined.
2357         * output.cc (Output_section::add_input_section): Use
2358         function section_ordering_specified to check if section ordering is
2359         needed.
2360         * output.cc (Output_section::add_relaxed_input_section): Use
2361         function section_ordering_specified to check if section ordering is
2362         needed.
2363         (Output_section::update_section_layout): New function.
2364         (Output_section::sort_attached_input_sections): Check if input section
2365         must be reordered.
2366         * output.h (Output_section::update_section_layout): New function.
2367         * plugin.cc (get_section_count): New function.
2368         (get_section_type): New function.
2369         (get_section_name): New function.
2370         (get_section_contents): New function.
2371         (update_section_order): New function.
2372         (allow_section_ordering): New function.
2373         (Plugin::load): Add the new interfaces to the transfer vector.
2374         (Plugin_manager::load_plugins): New parameter.
2375         (Plugin_manager::all_symbols_read): New parameter.
2376         (Plugin_manager::claim_file): New parameter. Save the elf object for
2377         unclaimed objects.
2378         (Plugin_manager::get_elf_object): New function.
2379         (Plugin_manager::get_view): Change to directly use the bool to check
2380         if get_view is called from claim_file_hook.
2381         * plugin.h (input_objects): New function
2382         (Plugin__manager::load_plugins): New parameter.
2383         (Plugin_manager::claim_file): New parameter.
2384         (Plugin_manager::get_elf_object): New function.
2385         (Plugin_manager::in_claim_file_handler): New function.
2386         (Plugin_manager::in_claim_file_handler_): New member.
2387         (layout): New function.
2388         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2389         handler with an extra parameter. Make the elf object before calling
2390         claim_file handler.
2391         * testsuite/plugin_test.c (get_section_count): New function pointer.
2392         (get_section_type): New function pointer.
2393         (get_section_name): New function pointer.
2394         (get_section_contents): New function pointer.
2395         (update_section_order): New function pointer.
2396         (allow_section_ordering): New function pointer.
2397         (onload): Check if the new interfaces exist.
2398
2399 2011-07-13  Ian Lance Taylor  <iant@google.com>
2400
2401         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2402         relro section.
2403         * x86_64.cc (Target_x86_64::got_section): Likewise.
2404         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2405         (relro_now_test_SOURCES): New variable.
2406         (relro_now_test_DEPENDENCIES): New variable.
2407         (relro_now_test_LDFLAGS): New variable.
2408         (relro_now_test_LDADD): New variable.
2409         (relro_now_test.so): New target.
2410         * testsuite/Makefile.in: Rebuild.
2411
2412 2011-07-12  Ian Lance Taylor  <iant@google.com>
2413
2414         PR gold/12980
2415         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2416         GLOB_DAT relocation rather than a RELATIVE relocation for a
2417         protected symbol when creating a shared library.
2418         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2419         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2420         * testsuite/protected_main_1.cc (main): Test that protected
2421         function has same address.
2422
2423 2011-07-11  Ian Lance Taylor  <iant@google.com>
2424
2425         PR gold/12979
2426         * options.h (class General_options): Add -Bgroup.
2427         * options.cc (General_options::finalize): If -Bgroup is set,
2428         default to --unresolved-symbols=report-all.
2429         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2430         * target-reloc.h (issue_undefined_symbol_error): Handle
2431         --unresolved-symbols=report-all.
2432
2433 2011-07-08  Ian Lance Taylor  <iant@google.com>
2434
2435         PR gold/11985
2436         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2437         if linker script discards key sections.
2438         (Layout::create_dynamic_symtab): Likewise.
2439         (Layout::assign_local_dynsym_offsets): Likewise.
2440         (Layout::sized_create_version_sections): Likewise.
2441         (Layout::create_interp): Likewise.
2442         (Layout::finish_dynamic_section): Likewise.
2443         (Layout::set_dynamic_symbol_size): Likewise.
2444
2445 2011-07-08  Ian Lance Taylor  <iant@google.com>
2446
2447         PR gold/12386
2448         * options.h (class General_options): Add --unresolved-symbols.
2449         * target-reloc.h (issue_undefined_symbol_error): Check
2450         --unresolved-symbols.  Add comments.
2451
2452 2011-07-08  Ian Lance Taylor  <iant@google.com>
2453
2454         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2455         expression more complex.
2456
2457 2011-07-08  Ian Lance Taylor  <iant@google.com>
2458
2459         PR gold/11317
2460         * target-reloc.h (issue_undefined_symbol_error): New inline
2461         function, broken out of relocate_section.
2462         (relocate_section): Call issue_undefined_symbol_error.
2463         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2464         there is no TLS segment if we are about to issue an undefined
2465         symbol error.
2466         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2467
2468 2011-07-08  Ian Lance Taylor  <iant@google.com>
2469
2470         PR gold/12279
2471         * resolve.cc (Symbol_table::should_override): Add fromtype
2472         parameter.  Change all callers.  Give error when linking together
2473         TLS and non-TLS symbol.
2474         (Symbol_table::should_override_with_special): Add fromtype
2475         parameter.  Change all callers.
2476         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2477         there is no TLS segment if we have reported some errors.
2478         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2479
2480 2011-07-08  Ian Lance Taylor  <iant@google.com>
2481
2482         PR gold/12372
2483         * target.h (Target::plt_address_for_global): New function.
2484         (Target::plt_address_for_local): New function.
2485         (Target::plt_section_for_global): Remove.
2486         (Target::plt_section_for_local): Remove.
2487         (Target::do_plt_address_for_global): New virtual function.
2488         (Target::do_plt_address_for_local): New virtual function.
2489         (Target::do_plt_section_for_global): Remove.
2490         (Target::do_plt_section_for_local): Remove.
2491         (Target::register_global_plt_entry): Add Symbol_table and Layout
2492         parameters.
2493         * output.cc (Output_data_got::Got_entry::write): Use
2494         plt_address_for_global and plt_address_for_local.
2495         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2496         address of output section.
2497         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2498         got_irelative_, and irelative_count_ fields.  Update
2499         declarations.
2500         (Output_data_plt_i386::has_irelative_section): New function.
2501         (Output_data_plt_i386::entry_count): Add irelative_count_.
2502         (Output_data_plt_i386::set_final_data_size): Likewise.
2503         (class Target_i386): Add got_irelative_ and rel_irelative_
2504         fields.  Update declarations.
2505         (Target_i386::Target_i386): Initialize new fields.
2506         (Target_i386::do_plt_address_for_global): New function replacing
2507         do_plt_section_for_global.
2508         (Target_i386::do_plt_address_for_local): New function replacing
2509         do_plt_section_for_local.
2510         (Target_i386::got_section): Create got_irelative_.
2511         (Target_i386::rel_irelative_section): New function.
2512         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2513         fields.  Don't define __rel_iplt_{start,end}.
2514         (Output_data_plt_i386::add_entry): Add symtab and layout
2515         parameters.  Change all callers.  Use different PLT and GOT for
2516         IFUNC symbols.
2517         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2518         layout parameters.  Change all callers.  Use different PLT and
2519         GOT.
2520         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2521         (Output_data_plt_i386::rel_irelative): New function.
2522         (Output_data_plt_i386::address_for_global): New function.
2523         (Output_data_plt_i386::address_for_local): New function.
2524         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2525         IRELATIVE GOT when changing IFUNC GOT entries.
2526         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2527         reloc.
2528         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2529         if we didn't create an IRELATIVE GOT.
2530         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2531         plt_address_for_local.
2532         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2533         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2534         got_irelative_, and irelative_count_ fields.  Update
2535         declarations.
2536         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2537         Initialize new fields.  Remove symtab parameter.  Change all
2538         callers.
2539         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2540         irelative_count_.
2541         (Output_data_plt_x86_64::has_irelative_section): New function.
2542         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2543         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2544         fields.  Update declarations.
2545         (Target_x86_64::Target_x86_64): Initialize new fields.
2546         (Target_x86_64::do_plt_address_for_global): New function replacing
2547         do_plt_section_for_global.
2548         (Target_x86_64::do_plt_address_for_local): New function replacing
2549         do_plt_section_for_local.
2550         (Target_x86_64::got_section): Create got_irelative_.
2551         (Target_x86_64::rela_irelative_section): New function.
2552         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2553         all callers.  Don't create __rel_iplt_{start,end}.
2554         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2555         parameters.  Change all callers.  Use different PLT and GOT for
2556         IFUNC symbols.
2557         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2558         layout parameters.  Change all callers.  Use different PLT and
2559         GOT.
2560         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2561         parameters.  Change all callers.  Use different PLT and GOT for
2562         IFUNC symbols.
2563         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2564         (Output_data_plt_x86_64::rela_irelative): New function.
2565         (Output_data_plt_x86_64::address_for_global): New function.
2566         (Output_data_plt_x86_64::address_for_local): New function.
2567         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2568         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2569         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2570         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2571         parameters.
2572         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2573         reloc.
2574         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2575         symbols if we didn't create an IRELATIVE GOT.
2576         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2577         plt_address_for_local.
2578         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2579         * testsuite/ifuncvar1.c: New test file.
2580         * testsuite/ifuncvar2.c: New test file.
2581         * testsuite/ifuncvar3.c: New test file.
2582         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2583         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2584         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2585         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2586         * testsuite/Makefile.in: Rebuild.
2587
2588 2011-07-07  Cary Coutant  <ccoutant@google.com>
2589
2590         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2591         (two_file_test_1_ndebug.o): Likewise.
2592         (two_file_test_1b_ndebug.o): Likewise.
2593         (two_file_test_2_ndebug.o): Likewise.
2594         (two_file_test_main_ndebug.o): Likewise.
2595         (incremental_test_2): Link with no-debug versions.
2596
2597 2011-07-06  Cary Coutant  <ccoutant@google.com>
2598
2599         * gold/incremental.cc
2600         (Output_section_incremental_inputs::write_info_blocks): Check for
2601         hidden and internal symbols.
2602
2603 2011-07-06  Cary Coutant  <ccoutant@google.com>
2604
2605         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2606         Check disposition for startup file.
2607         (Incremental_inputs::report_command_line): Ignore
2608         --incremental-startup-unchanged option.
2609         * options.cc (General_options::parse_incremental_startup_unchanged):
2610         New function.
2611         (General_options::General_options): Initialize new data member.
2612         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2613         (General_options): Add --incremental-startup-unchanged option.
2614         (General_options::incremental_startup_disposition): New function.
2615         (General_options::incremental_startup_disposition_): New data member.
2616
2617 2011-07-06  Cary Coutant  <ccoutant@google.com>
2618
2619         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2620         input file index to Script_info ctor.
2621         (Sized_incremental_binary::do_file_has_changed): Find the
2622         command-line argument for files named in scripts.
2623         * incremental.h (Script_info::Script_info): New ctor
2624         with input file index.
2625         (Script_info::input_file_index): New function.
2626         (Script_info::input_file_index_): New data member.
2627         (Incremental_binary::get_library): Add const.
2628         (Incremental_binary::get_script_info): Add const.
2629         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2630         * testsuite/Makefile.am (incremental_test_5): New test case.
2631         (incremental_test_6): New test case.
2632         * testsuite/Makefile.in: Regenerate.
2633
2634 2011-07-06  Cary Coutant  <ccoutant@google.com>
2635
2636         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2637         debug output when command lines differ.
2638
2639 2011-07-06  Cary Coutant  <ccoutant@google.com>
2640
2641         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2642         --incremental-patch option.
2643         * layout.cc (Free_list::allocate): Extend allocation beyond original
2644         end if enabled.
2645         (Layout::make_output_section): Mark sections that should get
2646         patch space.
2647         * options.cc (parse_percent): New function.
2648         * options.h (parse_percent): New function.
2649         (DEFINE_percent): New macro.
2650         (General_options): Add --incremental-patch option.
2651         * output.cc (Output_section::Output_section): Initialize new data
2652         members.
2653         (Output_section::add_input_section): Print section name when out
2654         of patch space.
2655         (Output_section::add_output_section_data): Likewise.
2656         (Output_section::set_final_data_size): Add patch space when
2657         doing --incremental-full.
2658         (Output_section::do_reset_address_and_file_offset): Remove patch
2659         space.
2660         (Output_segment::set_section_list_addresses): Print debug output
2661         only if --incremental-update.
2662         * output.h (Output_section::set_is_patch_space_allowed): New function.
2663         (Output_section::is_patch_space_allowed_): New data member.
2664         (Output_section::patch_space_): New data member.
2665         * parameters.cc (Parameters::incremental_full): New function.
2666         * parameters.h (Parameters::incremental_full): New function
2667         * testsuite/Makefile.am (incremental_test_2): Add test for
2668         --incremental-patch option.
2669         * testsuite/Makefile.in: Regenerate.
2670         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2671         (t18): Remove function body.
2672
2673 2011-07-05  Doug Kwan  <dougkwan@google.com>
2674
2675         PR gold/12771
2676         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2677         Arm_Address type for relocation result.
2678         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2679         overflow check.
2680         (Arm_relocate_functions::abs32): Use unaligned access.
2681         (Arm_relocate_functions::rel32): Ditto.
2682         (Arm_relocate_functions::prel31): Ditto.
2683         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2684         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2685         static data relocations.
2686         * testsuite/Makefile.in: Regnerate.
2687         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2688
2689 2011-07-05  Ian Lance Taylor  <iant@google.com>
2690
2691         PR gold/12392
2692         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2693         symbols if necessary.
2694         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2695
2696 2011-07-05  Ian Lance Taylor  <iant@google.com>
2697
2698         PR gold/12952
2699         * resolve.cc (Symbol::override_base_with_special): Simply override
2700         version with special symbol version, ignoring previous version.
2701
2702 2011-07-05  Ian Lance Taylor  <iant@google.com>
2703
2704         * object.cc (Sized_relobj_file::include_section_group): Add
2705         information to comment about signature location.
2706
2707 2011-07-02  Ian Lance Taylor  <iant@google.com>
2708
2709         PR gold/12957
2710         * options.h (class General_options): Add -f and -F.
2711         * options.cc (General_options::finalize): Fatal error if -f/-F
2712         are used without -shared.
2713         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2714
2715 2011-07-02  Ian Lance Taylor  <iant@google.com>
2716
2717         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2718
2719 2011-07-01  Ian Lance Taylor  <iant@google.com>
2720
2721         PR gold/12525
2722         PR gold/12952
2723         * resolve.cc (Symbol::override_base_with_special): Don't override
2724         the version if the overriding symbol has a different name.
2725         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2726         all callers.  If we give an error about an undefined version,
2727         define the base version if necessary.
2728         * dynobj.h (class Versions): Update declaration.
2729         * testsuite/weak_alias_test_5.cc: New file.
2730         * testsuite/weak_alias_test.script: New file.
2731         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2732         and versioned_alias have the right value, and call t2.
2733         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2734         weak_alias_test_5.so.
2735         (weak_alias_test_LDADD): Likewise.
2736         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2737         * testsuite/Makefile.in: Rebuild.
2738
2739 2011-07-01  Ian Lance Taylor  <iant@google.com>
2740
2741         PR gold/12525
2742         * options.h (class General_options): Support -z notext.
2743         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2744         -Wl,-z,notext.
2745         (two_file_shared_nonpic.so): Likewise.
2746         (two_file_shared_mixed.so): Likewise.
2747         (two_file_shared_mixed_1.so): Likewise.
2748         (weak_undef_lib_nonpic.so): Likewise.
2749         (alt/weak_undef_lib_nonpic.so): Likewise.
2750         (tls_test_shared_nonpic.so): Likewise.
2751         * testsuite/Makefile.in: Rebuild.
2752
2753 2011-07-01  Ian Lance Taylor  <iant@google.com>
2754
2755         PR gold/12525
2756         * configure.ac: Test whether static linking works, setting
2757         the automake conditional HAVE_STATIC.
2758         * testsuite/Makefile.am: Disable tests using -static if
2759         HAVE_STATIC is not true.
2760         * configure, testsuite/Makefile.in: Rebuild.
2761
2762 2011-07-01  Ian Lance Taylor  <iant@google.com>
2763
2764         PR gold/12525
2765         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2766         Assert if we see DW_EH_PE_indirect.
2767         * target.h (Target::ehframe_datarel_base): New function.
2768         (Target::do_ehframe_datarel_base): New target function.
2769         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2770         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2771         function.
2772
2773 2011-07-01  Ian Lance Taylor  <iant@google.com>
2774
2775         PR gold/12571
2776         * options.h (class General_options): Add
2777         --ld-generated-unwind-info.
2778         * ehframe.cc (Fde::write): Add address parameter.  Change all
2779         callers.  If associated with PLT, fill in address and size.
2780         (Cie::set_output_offset): Only add merge mapping if there is an
2781         object.
2782         (Cie::write): Add address parameter.  Change all callers.
2783         (Eh_frame::add_ehframe_for_plt): New function.
2784         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2785         input_offset_ fields into union u_, with new plt field.
2786         (Fde::Fde): Adjust for new union field.
2787         (Fde::Fde) [Output_data version]: New constructor.
2788         (Fde::add_mapping): Only add merge mapping if there is an object.
2789         (class Cie): Update declarations.
2790         (class Eh_frame): Declare add_ehframe_for_plt.
2791         * layout.cc (Layout::layout_eh_frame): Break out code into
2792         make_eh_frame_section, and call it.
2793         (Layout::make_eh_frame_section): New function.
2794         (Layout::add_eh_frame_for_plt): New function.
2795         * layout.h (class Layout): Update declarations.
2796         * merge.cc (Merge_map::add_mapping): Add assertion.
2797         * i386.cc: Include "dwarf.h".
2798         (class Output_data_plt_i386): Make first_plt_entry,
2799         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2800         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2801         and plt_eh_frame_fde.
2802         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2803         boundary.  Call add_eh_frame_for_plt if appropriate.
2804         * x86_64.cc: Include "dwarf.h".
2805         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2806         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2807         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2808         and plt_eh_frame_fde.
2809         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2810         appropriate.
2811
2812 2011-06-29  Ian Lance Taylor  <iant@google.com>
2813
2814         PR gold/12629
2815         * object.cc (Sized_relobj_file::layout_section): Change shdr
2816         parameter to be const.
2817         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2818         out of do_layout.
2819         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2820         appropriate.  Call layout_eh_frame_section.
2821         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2822         sections.
2823         * object.h (class Sized_relobj_file): Update declarations.
2824
2825 2011-06-29  Ian Lance Taylor  <iant@google.com>
2826
2827         PR gold/12652
2828         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2829         modifier.
2830         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2831
2832 2011-06-29  Ian Lance Taylor  <iant@google.com>
2833
2834         PR gold/12675
2835         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2836         SHT_X86_64_UNWIND.
2837         * layout.cc (Layout::layout_eh_frame): Likewise.
2838
2839 2011-06-29  Ian Lance Taylor  <iant@google.com>
2840
2841         PR gold/12695
2842         * layout.cc (Layout::symtab_section_shndx): New function.
2843         * layout.h (class Layout): Declare symtab_section_shndx.
2844         * output.cc (Output_section::write_header): Call it.
2845
2846 2011-06-29  Ian Lance Taylor  <iant@google.com>
2847
2848         PR gold/12818
2849         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2850         symbols which are not used in a relocation.
2851
2852 2011-06-28  Ian Lance Taylor  <iant@google.com>
2853
2854         PR gold/12898
2855         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2856         script create indistinguishable segments.
2857         (Layout::set_segment_offsets): Use stable_sort when sorting
2858         segments.  Pass this to Compare_segments constructor.
2859         * layout.h (class Layout): Make segment_precedes non-static.
2860         (class Compare_segments): Change from struct to class.  Add
2861         layout_ field.  Add constructor.
2862         * script-sections.cc
2863         (Script_sections::attach_sections_using_phdrs_clause): Rename
2864         local orphan to is_orphan.  Don't report failure to put empty
2865         section in segment.  On attachment failure, report name of
2866         section, and attach to first PT_LOAD segment.
2867
2868 2011-06-28  Ian Lance Taylor  <iant@google.com>
2869
2870         PR gold/12934
2871         * target-select.cc (Target_selector::Target_selector): Add
2872         emulation parameter.  Change all callers.
2873         (select_target_by_bfd_name): Rename from select_target_by_name.
2874         Change all callers.
2875         (select_target_by_emulation): New function.
2876         (supported_emulation_names): New function.
2877         * target-select.h (class Target_selector): Add emulation_ field.
2878         Update declarations.
2879         (Target_selector::recognize_by_bfd_name): Rename from
2880         recognize_by_name.  Change all callers.
2881         (Target_selector::supported_bfd_names): Rename from
2882         supported_names.  Change all callers.
2883         (Target_selector::recognize_by_emulation): New function.
2884         (Target_selector::supported_emulations): New function.
2885         (Target_selector::emulation): New function.
2886         (Target_selector::do_recognize_by_bfd_name): Rename from
2887         do_recognize_by_name.  Change all callers.
2888         (Target_selector::do_supported_bfd_names): Rename from
2889         do_supported_names.  Change all callers.
2890         (Target_selector::do_recognize_by_emulation): New function.
2891         (Target_selector::do_supported_emulations): New function.
2892         (select_target_by_bfd_name): Change name in declaration.
2893         (select_target_by_emulation): Declare.
2894         (supported_emulation_names): Declare.
2895         * parameters.cc (parameters_force_valid_target): Try to find
2896         target based on emulation from -m option.
2897         * options.h (class General_options): Change doc string for -m.
2898         * options.cc (help): Print emulations.
2899         (General_options::parse_V): Likewise.
2900         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2901         Add emulation parameter.  Change all callers.
2902
2903 2011-06-28  Ian Lance Taylor  <iant@google.com>
2904
2905         * target.h (class Target): Add osabi_ field.
2906         (Target::osabi): New function.
2907         (Target::set_osabi): New function.
2908         (Target::Target): Initialize osabi_.
2909         (Target::do_adjust_elf_header): Make pure virtual.
2910         (Sized_target::do_adjust_elf_header): Declare.
2911         * target.cc (Sized_target::do_adjust_elf_header): New function.
2912         (class Sized_target): Instantiate all versions.
2913         * freebsd.h (class Target_freebsd): Remove.
2914         (Target_selector_freebsd::do_recognize): Call set_osabi on
2915         Target.
2916         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2917         (Target_selector_freebsd::set_osabi): Remove.
2918         * i386.cc (class Target_i386): Inherit from Sized_target rather
2919         than Target_freebsd.
2920         * x86_64.cc (class Target_x86_64): Likewise.
2921
2922 2011-06-28  Ian Lance Taylor  <iant@google.com>
2923
2924         * target.h (Target::can_check_for_function_pointers): Rewrite.
2925         Make non-virtual.
2926         (Target::can_icf_inline_merge_sections): Likewise.
2927         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2928         (Target::Target_info): Add can_icf_inline_merge_sections field.
2929         (Target::do_can_check_for_function_pointers): New virtual
2930         function.
2931         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2932         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2933         from can_check_for_function_pointers, move in file.
2934         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2935         section_may_have_icf_unsafe_poineters, move in file.
2936         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2937         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2938         Rename from can_check_for_function_pointers, move in file.
2939         (Target_i386::can_icf_inline_merge_sections): Remove.
2940         (Target_i386::i386_info): Initialize
2941         can_icf_inline_merge_sections.
2942         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2943         Initialize can_icf_inline_merge_sections.
2944         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2945         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2946         Rename from can_check_for_function_pointers, move in file.
2947         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2948         (Target_x86_64::x86_64_info): Initialize
2949         can_icf_inline_merge_sections.
2950         * testsuite/testfile.cc (Target_test::test_target_info):
2951         Likewise.
2952         * icf.cc (get_section_contents): Correct formatting.
2953
2954 2011-06-27  Ian Lance Taylor  <iant@google.com>
2955
2956         * symtab.cc (Symbol::versioned_name): New function.
2957         (Symbol_table::add_to_final_symtab): Use versioned_name when
2958         appropriate.
2959         (Symbol_table::sized_write_symbol): Likewise.
2960         * symtab.h (class Symbol): Declare versioned_name.
2961         * stringpool.h (class Stringpool_template): Add variant of add
2962         which takes a std::basic_string.
2963         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2964         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2965         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2966         (ver_test_12.o): New target.
2967         * testsuite/Makefile.in: Rebuild.
2968
2969 2011-06-27  Doug Kwan  <dougkwan@google.com>
2970
2971         * arm.cc (Arm_relocate_functions::thm_jump8,
2972         Arm_relocate_functions::thm_jump11): Use a wider signed
2973         type to compute offset.
2974         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2975         arm_thm_jump8.
2976         * testsuite/Makefile.in: Regenerate.
2977         * testsuite/arm_branch_in_range.sh: Check test results of
2978         arm_thm_jump11 and arm_thm_jump8.
2979         * testsuite/arm_thm_jump11.s: New test source file.
2980         * testsuite/arm_thm_jump11.t: New linker script.
2981         * testsuite/arm_thm_jump8.s: New test source file.
2982         * testsuite/arm_thm_jump8.t: New linker script.
2983
2984 2011-06-24  Ian Lance Taylor  <iant@google.com>
2985
2986         * layout.cc: Include "object.h".
2987         (ctors_sections_in_init_array): New static variable.
2988         (Layout::is_ctors_in_init_array): New function.
2989         (Layout::layout): Add entry to ctors_sections_in_init_array if
2990         appropriate.
2991         * layout.h (class Layout): Declare is_ctors_in_init_array.
2992         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2993         is_ctors_reverse_view is set.
2994         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2995         all callers.  Set is_ctors_reverse_view field of View_size.
2996         (Sized_relobj_file::reverse_words): New function.
2997         * object.h (Sized_relobj_file::View_size): Add
2998         is_ctors_reverse_view field.
2999         (class Sized_relobj_file): Update declarations.
3000         * testsuite/initpri3.c: New test.
3001         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3002         initpri3b.
3003         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3004         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3005         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3006         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3007         * testsuite/Makefile.in: Rebuild.
3008
3009 2011-06-24  Cary Coutant  <ccoutant@google.com>
3010
3011         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3012         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3013         (debug_msg_cdebug.err): New targets.
3014         * testsuite/Makefile.in: Regenerate.
3015         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3016         Fix checks for link with shared library.
3017
3018 2011-06-24  Doug Kwan  <dougkwan@google.com>
3019
3020         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3021         skip empty text sections.
3022         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3023
3024 2011-06-22  Ian Lance Taylor  <iant@google.com>
3025
3026         PR gold/12910
3027         * options.h (class General_options): Add --ctors-in-init-array.
3028         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3029         friends as SHT_PROGBITS for merging sections.
3030         (Layout::layout): Remove special handling of .init_array and
3031         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3032         and .dtors if ctors_in_init_array.
3033         (Layout::make_output_section): Force correct section types for
3034         .init_array and friends.  Don't sort if doing relocatable link,
3035         Don't sort .ctors and .dtors if ctors_in_init_array.
3036         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3037         (Layout::output_section_name): Add relobj parameter.  Change all
3038         callers.  Handle .ctors. and .dtors. in code rather than table.
3039         Handle .ctors and .dtors if ctors_in_init_array.
3040         (Layout::match_file_name): New function, moved from output.cc.
3041         * layout.h (class Layout): Update declarations.
3042         * output.cc: Include "layout.h".
3043         (Input_section_sort_entry::get_priority): New function.
3044         (Input_section_sort_entry::match_file_name): Just call
3045         Layout::match_file_name.
3046         (Output_section::Input_section_sort_init_fini_compare::operator()):
3047         Handle .ctors and .dtors.  Sort by explicit priority rather than
3048         by name.
3049         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3050         * testsuite/initpri2.c: New test.
3051         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3052         (check_PROGRAMS): Add initpri2.
3053         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3054         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3055         * configure, testsuite/Makefile.in: Rebuild.
3056
3057 2011-06-19  Ian Lance Taylor  <iant@google.com>
3058
3059         PR gold/12880
3060         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3061         .interp section to a PT_INTERP segment even if we have seen a
3062         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3063         clause in a linker script.
3064         (Layout::finalize): Don't create a .interp section if we've
3065         already create a PT_INTERP segment.
3066         (Layout::create_interp): Always call choose_output_section (revert
3067         patch of 2011-06-17).  Don't create PT_INTERP segment.
3068         * script-sections.cc
3069         (Script_sections::create_note_and_tls_segments): Add a .interp
3070         section to a PT_INTERP segment even if we have seen a
3071         --dynamic-linker option.
3072
3073 2011-06-18  Ian Lance Taylor  <iant@google.com>
3074
3075         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3076         merely because a non-PT_LOAD segment has a dynamic reloc.
3077
3078 2011-06-18  Ian Lance Taylor  <iant@google.com>
3079
3080         * layout.cc (Layout::finish_dynamic_section): Don't create
3081         DT_FLAGS entry if not needed.
3082
3083 2011-06-18  Ian Lance Taylor  <iant@google.com>
3084
3085         PR gold/12745
3086         * layout.cc (Layout::layout_eh_frame): Correct handling of
3087         writable .eh_frame section.
3088
3089 2011-06-17  Ian Lance Taylor  <iant@google.com>
3090
3091         PR gold/12893
3092         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3093         symbol is redefined with the exact same object and value.
3094
3095 2011-06-17  Ian Lance Taylor  <iant@google.com>
3096
3097         PR gold/12880
3098         * layout.h (class Layout): Add interp_segment_ field.
3099         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3100         (Layout::attach_allocated_section_to_segment): If making shared
3101         library, put .interp section in PT_INTERP segment.
3102         (Layout::finalize): Also call create_interp if -dynamic-linker
3103         option was used.
3104         (Layout::create_interp): Assert that there is no PT_INTERP
3105         segment.  If not using a SECTIONS clause, use make_output_section.
3106         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3107         * script-sections.cc
3108         (Script_sections::create_note_and_tls_segments): If making shared
3109         library, put .interp section in PT_INTERP segment.
3110
3111 2011-06-17  Ian Lance Taylor  <iant@google.com>
3112
3113         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3114         when making a shared library.
3115
3116 2011-06-17  Ian Lance Taylor  <iant@google.com>
3117
3118         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3119         parameter.  Change all callers.  Don't issue warning about PC32
3120         against locally defined symbol.
3121
3122 2011-06-16  Ian Lance Taylor  <iant@google.com>
3123
3124         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3125         occurs in same object.
3126
3127 2011-06-14  Alan Modra  <amodra@gmail.com>
3128
3129         * po/POTFILES.in: Regenerate.
3130
3131 2011-06-09  Ian Lance Taylor  <iant@google.com>
3132
3133         * script-sections.cc
3134         (Orphan_output_section::set_section_addresses): For a relocatable
3135         link set address to 0.
3136
3137 2011-06-09  Cary Coutant  <ccoutant@google.com>
3138
3139         PR gold/12804
3140         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3141         used with --compress-debug-sections.
3142         * gold/object.cc (Sized_relobj_file::do_layout): Report
3143         uncompressed size of compressed input sections.
3144
3145 2011-06-08  Cary Coutant  <ccoutant@google.com>
3146
3147         PR gold/12804
3148         * testsuite/two_file_test_2_v1.cc: Change initialization of
3149         v2 to keep it in .data.
3150
3151 2011-06-07  Cary Coutant  <ccoutant@google.com>
3152
3153         * common.cc (Symbol_table::do_allocate_commons_list): Call
3154         gold_fallback.
3155         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3156         (Errors::fallback): New function.
3157         (gold_fallback): New function.
3158         * errors.h (Errors::fallback): New function.
3159         * gold.cc (gold_exit): Change status parameter to enum; adjust
3160         all callers.
3161         (queue_initial_tasks): Call gold_fallback.
3162         * gold.h: Include cstdlib.
3163         (Exit_status): New enum type.
3164         (gold_exit): Change status parameter to enum.
3165         (gold_fallback): New function.
3166         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3167         (Layout::create_symtab_sections): Likewise.
3168         (Layout::create_shdrs): Likewise.
3169         * main.cc (main): Adjust call to gold_exit.
3170         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3171         (Output_data_got::add_got_entry_pair): Likewise.
3172         (Output_section::add_input_section): Likewise.
3173         (Output_section::add_output_section_data): Likewise.
3174         (Output_segment::set_section_list_addresses): Likewise.
3175         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3176
3177 2011-06-07  Cary Coutant  <ccoutant@google.com>
3178
3179         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3180         for incremental links.
3181         * output.cc (Output_segment::set_section_list_addresses): Remove
3182         FIXME and test for TLS or BSS.
3183
3184 2011-06-07  Cary Coutant  <ccoutant@google.com>
3185
3186         * testsuite/Makefile.am: Add incremental_copy_test,
3187         incremental_common_test_1.
3188         * testsuite/Makefile.in: Regenerate.
3189         * testsuite/common_test_1_v1.c: New source file.
3190         * testsuite/common_test_1_v2.c: New source file.
3191         * testsuite/copy_test_v1.cc: New source file.
3192
3193 2011-06-07  Cary Coutant  <ccoutant@google.com>
3194
3195         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3196         update, allocate common from bss section's free list.
3197         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3198         linker-defined symbols.
3199         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3200         Skip GOT and PLT entries that are no longer referenced.
3201         (Output_section_incremental_inputs::write_info_blocks): Mark
3202         linker-defined symbols.
3203         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3204         * output.cc (Output_section::allocate): New function.
3205         * output.h (Output_section::allocate): New function.
3206         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3207         linker-defined symbols.
3208         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3209         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3210         (Symbol::init_base_output_data): Likewise.
3211         (Symbol::init_base_output_segment): Likewise.
3212         (Symbol::init_base_constant): Likewise.
3213         (Sized_symbol::init_output_data): Likewise.
3214         (Sized_symbol::init_output_segment): Likewise.
3215         (Sized_symbol::init_constant): Likewise.
3216         (Symbol_table::do_define_in_output_data): Likewise.
3217         (Symbol_table::do_define_in_output_segment): Likewise.
3218         (Symbol_table::do_define_as_constant): Likewise.
3219         * symtab.h (Symbol::is_predefined): New function.
3220         (Symbol::init_base_output_data): Add is_predefined parameter.
3221         (Symbol::init_base_output_segment): Likewise.
3222         (Symbol::init_base_constant): Likewise.
3223         (Symbol::is_predefined_): New data member.
3224         (Sized_symbol::init_output_data): Add is_predefined parameter.
3225         (Sized_symbol::init_output_segment): Likewise.
3226         (Sized_symbol::init_constant): Likewise.
3227         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3228
3229 2011-06-07  Cary Coutant  <ccoutant@google.com>
3230
3231         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3232         instead of emit_copy_reloc.
3233         (Copy_relocs::emit_copy_reloc): Refactor.
3234         (Copy_relocs::make_copy_reloc): New function.
3235         (Copy_relocs::add_copy_reloc): Remove.
3236         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3237         section.
3238         (Copy_relocs::make_copy_reloc): New function.
3239         (Copy_relocs::add_copy_reloc): Remove.
3240         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3241         unchanged input files.
3242         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3243         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3244         Reserve BSS space for COPY relocations.
3245         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3246         (Output_section_incremental_inputs::write_info_blocks): Record
3247         whether a symbol is copied from a shared object.
3248         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3249         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3250         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3251         (Incremental_input_entry_reader::get_output_symbol_index): Add
3252         is_copy parameter.
3253         (Incremental_binary::emit_copy_relocs): New function.
3254         (Incremental_binary::do_emit_copy_relocs): New function.
3255         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3256         new data member.
3257         (Sized_incremental_binary::add_copy_reloc): New function.
3258         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3259         (Sized_incremental_binary::Copy_reloc): New struct.
3260         (Sized_incremental_binary::Copy_relocs): New typedef.
3261         (Sized_incremental_binary::copy_relocs_): New data member.
3262         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3263         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3264         * target.h (Sized_target::emit_copy_reloc): New function.
3265         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3266
3267 2011-06-02  Cary Coutant  <ccoutant@google.com>
3268
3269         PR gold/12163
3270         * gold/archive.cc (Archive::Archive): Initialize new data member.
3271         (Archive::include_all_members): Return if archive has already been
3272         included.
3273         * gold/archive.h (Archive::include_all_members_): New data member.
3274
3275 2011-06-02  Nick Clifton  <nickc@redhat.com>
3276
3277         * dynobj.h: Fix spelling mistake in comment.
3278         * output.cc: Likewise.
3279
3280 2011-05-31  Doug Kwan  <dougkwan@google.com>
3281             Asier Llano
3282
3283         PR gold/12826
3284         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3285         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3286         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3287         redundant arm_exidx_test.so.
3288         * testsuite/Makefile.in: Regenerate.
3289         (check_SCRIPTS): Add pr12826.sh
3290         (check_DATA): Add pr12826.stdout
3291         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3292         * testsuite/pr12826.sh: New file.
3293         * testsuite/pr12826_1.s: Ditto.
3294         * testsuite/pr12826_1.s: Ditto.
3295
3296 2011-05-30  Ian Lance Taylor  <iant@google.com>
3297
3298         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3299         sections.
3300
3301 2011-05-29  Ian Lance Taylor  <iant@google.com>
3302
3303         PR gold/12804
3304         * testsuite/Makefile.am: Use different file name for two_file_test
3305         temporary file for each incremental test.
3306         * testsuite/Makefile.in: Rebuild.
3307
3308 2011-05-29  Ian Lance Taylor  <iant@google.com>
3309
3310         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3311         binary input file is empty.
3312
3313 2011-05-27  Ian Lance Taylor  <iant@google.com>
3314
3315         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3316         (ver_test_9.so): Likewise.
3317         * testsuite/Makefile.in: Rebuild.
3318
3319 2011-05-26 Cary Coutant  <ccoutant@google.com>
3320
3321         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3322         * incremental.cc (Incremental_inputs::report_input_section): Fix
3323         comment, indentation.
3324         (Incremental_inputs::report_comdat_group): New function.
3325         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3326         of data for incremental input file entry.
3327         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3328         group count, COMDAT group signatures.
3329         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3330         an unchanged input file.
3331         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3332         Initialize new data member.
3333         (Incremental_object_entry::add_comdat_group): New function.
3334         (Incremental_object_entry::get_comdat_group_count): New function.
3335         (Incremental_object_entry::get_comdat_signature_key): New function.
3336         (Incremental_object_entry::groups_): New data member.
3337         (Incremental_inputs::report_comdat_group): New function.
3338         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3339         data for incremental input file entry.
3340         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3341         (Incremental_input_entry_reader::get_input_section): Adjust size of
3342         data for incremental input file entry.
3343         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3344         (Incremental_input_entry_reader::get_comdat_group_signature): New
3345         function.
3346         * object.cc (Sized_relobj::include_section_group): Report kept
3347         COMDAT groups for incremental links.
3348
3349 2011-05-24  David Meyer  <pdox@google.com>
3350
3351         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3352         with name parameter.  Add found_name parameter.
3353         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3354         * dirsearch.h (class Dirsearch): Update declaration.
3355
3356 2011-05-24  Ian Lance Taylor  <iant@google.com>
3357
3358         * archive.cc (Library_base::should_include_member): Pull in object
3359         from archive if it defines the entry symbol.
3360         * parameters.cc (Parameters::entry): New function.
3361         * parameters.h (class Parameters): Declare entry.
3362         * output.h (class Output_file_header): Remove entry_ field.
3363         * output.cc (Output_file_header::Output_file_header): Remove entry
3364         parameter.  Change all callers.
3365         (Output_file_header::entry): Use parameters->entry.
3366         * gold.cc (queue_middle_tasks): Likewise.
3367         * plugin.cc (Plugin_hook::run): Likewise.
3368
3369 2011-05-24 Cary Coutant  <ccoutant@google.com>
3370
3371         * gold.cc (queue_initial_tasks): Pass incremental base filename
3372         to Output_file::open_base_file; don't print error message.
3373         * incremental-dump.cc (main): Adjust call to
3374         Output_file::open_for_modification.
3375         * incremental-dump.cc (main): Likewise.
3376         * incremental.cc (Incremental_inputs::report_command_line):
3377         Ignore --incremental-base option when comparing command lines.
3378         Ignore parameter when given as separate argument.
3379         * options.h (class General_options): Add --incremental-base.
3380         * output.cc (Output_file::Output_file):
3381         (Output_file::open_base_file): Add base_name and writable parameters;
3382         read base file into new file; print error message here.
3383         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3384         callers.
3385         * output.h (Output_file::open_for_modification): Rename to...
3386         (Output_file::open_base_file): ...this; add base_name and
3387         writable parameters; adjust all callers.
3388         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3389         callers.
3390         * testsuite/Makefile.am (incremental_test_4): Test
3391         --incremental-base.
3392         * testsuite/Makefile.in: Regenerate.
3393
3394 2011-05-24 Cary Coutant  <ccoutant@google.com>
3395
3396         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3397         incremental_test_4.
3398         * testsuite/Makefile.in: Regenerate.
3399         * testsuite/two_file_test_1_v1.cc: New test source file.
3400         * testsuite/two_file_test_1b_v1.cc: New test source file.
3401         * testsuite/two_file_test_2_v1.cc: New test source file.
3402
3403 2011-05-24 Cary Coutant  <ccoutant@google.com>
3404
3405         * dynobj.h (Dynobj::do_dynobj): New function.
3406         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3407         flag and soname for shared objects.
3408         * incremental.cc (Incremental_inputs::report_object): Make
3409         either Incremental_object_entry or Incremental_dynobj_entry; add
3410         soname to string table.
3411         (Incremental_inputs::report_input_section): Add assertion.
3412         (Output_section_incremental_inputs::set_final_data_size): Adjust
3413         type of input file entry for shared libraries; adjust size of
3414         shared library info entry.
3415         (Output_section_incremental_inputs::write_input_files): Write
3416         as_needed flag for shared libraries.
3417         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3418         of input file entry for shared libraries; write soname.
3419         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3420         soname from incremental info.
3421         * incremental.h (enum Incremental_input_flags): Add
3422         INCREMENTAL_INPUT_AS_NEEDED.
3423         (Incremental_input_entry::Incremental_input_entry): Initialize new
3424         data member.
3425         (Incremental_input_entry::set_as_needed): New function.
3426         (Incremental_input_entry::as_needed): New function.
3427         (Incremental_input_entry::do_dynobj_entry): New function.
3428         (Incremental_input_entry::as_needed_): New data member.
3429         (Incremental_object_entry::Incremental_object_entry): Don't check
3430         for shared library.
3431         (Incremental_object_entry::do_type): Likewise.
3432         (class Incremental_dynobj_entry): New class.
3433         (Incremental_input_entry_reader::as_needed): New function.
3434         (Incremental_input_entry_reader::get_soname): New function.
3435         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3436         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3437         size of shared library info entry.
3438         * layout.cc (Layout::finish_dynamic_section): Don't test for
3439         incremental link when adding DT_NEEDED entries.
3440         * object.h (Object::Object): Initialize new data member.
3441         (Object::dynobj): New function.
3442         (Object::set_as_needed): New function.
3443         (Object::as_needed): New function.
3444         (Object::do_dynobj): New function.
3445         (Object::as_needed_): New data member.
3446
3447 2011-05-24 Cary Coutant  <ccoutant@google.com>
3448
3449         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3450         info; adjust display of GOT entries.
3451         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3452         vector of input objects; remove file_status_.
3453         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3454         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3455         got_plt reader; call target hooks to reserve GOT entries.
3456         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3457         of input file info header and GOT info entry.
3458         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3459         relocation info.
3460         (Got_plt_view_info::got_descriptor): Remove.
3461         (Got_plt_view_info::sym_index): New data member.
3462         (Got_plt_view_info::input_index): New data member.
3463         (Local_got_offset_visitor::visit): Write input file index.
3464         (Global_got_offset_visitor::visit): Write 0 for input file index.
3465         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3466         with sym_index and input_index.
3467         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3468         incremental info GOT entry; replace got_descriptor with input_index.
3469         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3470         map from input file index to object.
3471         (Sized_relobj_incr::do_layout): Replace direct data member reference
3472         with accessor function.
3473         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3474         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3475         Adjust size of input file info header.
3476         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3477         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3478         (Incremental_input_entry_reader::get_input_section): Adjust size of
3479         input file info header.
3480         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3481         of incremental info GOT entry.
3482         (Incremental_got_plt_reader::get_got_desc): Remove.
3483         (Incremental_got_plt_reader::get_got_symndx): New function.
3484         (Incremental_got_plt_reader::get_got_input_index): New function.
3485         (Sized_incremental_binary::Sized_incremental_binary): Remove
3486         file_status_; add input_objects_.
3487         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3488         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3489         (Sized_incremental_binary::file_is_unchanged): Remove.
3490         (Sized_incremental_binary::set_input_object): New function.
3491         (Sized_incremental_binary::input_object): New function.
3492         (Sized_incremental_binary::file_status_): Remove.
3493         (Sized_incremental_binary::input_objects_): New data member.
3494         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3495         references.
3496         (Sized_relobj_incr::invalid_address): Move to base class.
3497         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3498         class.
3499         (Sized_relobj_incr::do_output_section_offset): Likewise.
3500         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3501         (Sized_relobj_incr::section_offsets_): Likewise.
3502         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3503         function.
3504         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3505         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3506         with accessor function.
3507         (Sized_relobj_file::do_layout): Likewise.
3508         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3509         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3510         (Sized_relobj_file::compute_final_local_value): Replace refs to
3511         section_offsets_ with accessor function.
3512         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3513         * object.h (Relobj::Relobj): Initialize new data members.
3514         (Relobj::add_dyn_reloc): New function.
3515         (Relobj::first_dyn_reloc): New function.
3516         (Relobj::dyn_reloc_count): New function.
3517         (Relobj::first_dyn_reloc_): New data member.
3518         (Relobj::dyn_reloc_count_): New data member.
3519         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3520         references.
3521         (Sized_relobj::Address): New typedef.
3522         (Sized_relobj::invalid_address): Move here from child class.
3523         (Sized_relobj::Sized_relobj): Initialize new data members.
3524         (Sized_relobj::sized_relobj): New function.
3525         (Sized_relobj::is_output_section_offset_invalid): Move here from
3526         child class.
3527         (Sized_relobj::get_output_section_offset): Likewise.
3528         (Sized_relobj::local_has_got_offset): Likewise.
3529         (Sized_relobj::local_got_offset): Likewise.
3530         (Sized_relobj::set_local_got_offset): Likewise.
3531         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3532         (Sized_relobj::clear_got_offsets): New function.
3533         (Sized_relobj::section_offsets): Move here from child class.
3534         (Sized_relobj::do_output_section_offset): Likewise.
3535         (Sized_relobj::do_set_section_offset): Likewise.
3536         (Sized_relobj::Local_got_offsets): Likewise.
3537         (Sized_relobj::local_got_offsets_): Likewise.
3538         (Sized_relobj::section_offsets_): Likewise.
3539         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3540         references.
3541         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3542         class.
3543         (Sized_relobj_file::sized_relobj): New function
3544         (Sized_relobj_file::local_has_got_offset): Move to base class.
3545         (Sized_relobj_file::local_got_offset): Likewise.
3546         (Sized_relobj_file::set_local_got_offset): Likewise.
3547         (Sized_relobj_file::get_output_section_offset): Likewise.
3548         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3549         (Sized_relobj_file::do_output_section_offset): Likewise.
3550         (Sized_relobj_file::do_set_section_offset): Likewise.
3551         (Sized_relobj_file::Local_got_offsets): Likewise.
3552         (Sized_relobj_file::local_got_offsets_): Likewise.
3553         (Sized_relobj_file::section_offsets_): Likewise.
3554         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3555         (all constructors).
3556         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3557         (Output_reloc::get_symbol_index): Likewise.
3558         (Output_reloc::local_section_offset): Likewise.
3559         (Output_reloc::get_address): Likewise.
3560         (Output_reloc::symbol_value): Likewise.
3561         (Output_data_got::reserve_slot): Move to class definition.
3562         (Output_data_got::reserve_local): New function.
3563         (Output_data_got::reserve_slot_for_global): Remove.
3564         (Output_data_got::reserve_global): New function.
3565         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3566         (all constructors, two instantiations).
3567         (Output_reloc::get_relobj): New function (two instantiations).
3568         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3569         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3570         (Output_data_reloc::add_global): Adjust type of relobj.
3571         (Output_data_reloc::add_global_relative): Likewise.
3572         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3573         (Output_data_reloc::add_local): Likewise.
3574         (Output_data_reloc::add_local_relative): Likewise.
3575         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3576         (Output_data_reloc::add_local_section): Likewise.
3577         (Output_data_reloc::add_output_section): Likewise.
3578         (Output_data_reloc::add_absolute): Likewise.
3579         (Output_data_reloc::add_target_specific): Likewise.
3580         (Output_data_got::reserve_slot): Move definition here.
3581         (Output_data_got::reserve_local): New function.
3582         (Output_data_got::reserve_global): New function.
3583         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3584         section_offsets_ with accessor function.
3585         (Sized_relobj_file::write_sections): Likewise.
3586         (Sized_relobj_file::do_relocate_sections): Likewise.
3587         * target.h (Sized_target::reserve_local_got_entry): New function.
3588         (Sized_target::reserve_global_got_entry): New function.
3589         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3590         (Target_x86_64::reserve_global_got_entry): New function.
3591         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3592
3593 2011-05-23 Cary Coutant  <ccoutant@google.com>
3594
3595         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3596         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3597         bit when checking got_type.
3598         * incremental.cc (Sized_incremental_binary::setup_readers):
3599         Store symbol table and string table locations; initialize bit vector
3600         of file status flags.
3601         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3602         unchanged files.
3603         (Sized_incremental_binary::do_process_got_plt): New function.
3604         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3605         (Output_section_incremental_inputs::set_final_data_size): Record
3606         file index for each input file.
3607         (Output_section_incremental_inputs::write_got_plt): Store file index
3608         instead of input entry offset for each GOT entry.
3609         * incremental.h
3610         (Incremental_input_entry::Incremental_input_entry): Initialize new
3611         data member.
3612         (Incremental_input_entry::set_offset): Store file index.
3613         (Incremental_input_entry::get_file_index): New function.
3614         (Incremental_input_entry::file_index_): New data member.
3615         (Incremental_binary::process_got_plt): New function.
3616         (Incremental_binary::do_process_got_plt): New function.
3617         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3618         data members.
3619         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3620         (Sized_incremental_binary::set_file_is_unchanged): New function.
3621         (Sized_incremental_binary::file_is_unchanged): New function.
3622         (Sized_incremental_binary::do_process_got_plt): New function.
3623         (Sized_incremental_binary::file_status_): New data member.
3624         (Sized_incremental_binary::main_symtab_loc_): New data member.
3625         (Sized_incremental_binary::main_strtab_loc_): New data member.
3626         * output.cc (Output_data_got::Got_entry::write): Add case
3627         RESERVED_CODE.
3628         (Output_data_got::add_global): Call add_got_entry.
3629         (Output_data_got::add_global_plt): Likewise.
3630         (Output_data_got::add_global_with_rel): Likewise.
3631         (Output_data_got::add_global_with_rela): Likewise.
3632         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3633         (Output_data_got::add_global_pair_with_rela): Likewise.
3634         (Output_data_got::add_local): Call add_got_entry.
3635         (Output_data_got::add_local_plt): Likewise.
3636         (Output_data_got::add_local_with_rel): Likewise.
3637         (Output_data_got::add_local_with_rela): Likewise.
3638         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3639         (Output_data_got::add_local_pair_with_rela): Likewise.
3640         (Output_data_got::reserve_slot): New function.
3641         (Output_data_got::reserve_slot_for_global): New function.
3642         (Output_data_got::add_got_entry): New function.
3643         (Output_data_got::add_got_entry_pair): New function.
3644         (Output_section::add_output_section_data): Edit FIXME.
3645         * output.h
3646         (Output_section_data_build::Output_section_data_build): New
3647         constructor with size parameter.
3648         (Output_data_space::Output_data_space): Likewise.
3649         (Output_data_got::Output_data_got): Initialize new data member; new
3650         constructor with size parameter.
3651         (Output_data_got::add_constant): Call add_got_entry.
3652         (Output_data_got::reserve_slot): New function.
3653         (Output_data_got::reserve_slot_for_global): New function.
3654         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3655         (Output_data_got::add_got_entry): New function.
3656         (Output_data_got::add_got_entry_pair): New function.
3657         (Output_data_got::free_list_): New data member.
3658         * target.h (Sized_target::init_got_plt_for_update): New function.
3659         (Sized_target::register_global_plt_entry): New function.
3660         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3661         Initialize new data member; call init; add constructor with PLT count.
3662         (Output_data_plt_x86_64::init): New function.
3663         (Output_data_plt_x86_64::add_relocation): New function.
3664         (Output_data_plt_x86_64::reserve_slot): New function.
3665         (Output_data_plt_x86_64::free_list_): New data member.
3666         (Target_x86_64::init_got_plt_for_update): New function.
3667         (Target_x86_64::register_global_plt_entry): New function.
3668         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3669         incremental updates.
3670         (Output_data_plt_x86_64::add_relocation): New function.
3671         * testsuite/object_unittest.cc (Object_test): Set default options.
3672
3673 2011-05-16  Ian Lance Taylor  <iant@google.com>
3674
3675         * options.h (class General_options): Make -i a synonym for -r.
3676
3677 2011-05-16  Ian Lance Taylor  <iant@google.com>
3678
3679         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3680
3681 2011-05-10 Cary Coutant  <ccoutant@google.com>
3682
3683         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3684         strip_all (-s).
3685
3686 2011-05-06  Ian Lance Taylor  <iant@google.com>
3687
3688         * layout.cc (Layout::layout): If the output section flags change,
3689         update the ordering.
3690
3691 2011-04-25 Cary Coutant  <ccoutant@google.com>
3692
3693         * incremental-dump.cc (dump_incremental_inputs): Print local
3694         symbol info for each input file.
3695         * incremental.cc
3696         (Output_section_incremental_inputs::set_final_data_size): Add local
3697         symbol info to input file entries in incremental info.
3698         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3699         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3700         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3701         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3702         implementation.
3703         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3704         (Sized_incr_relobj::do_relocate): Write the local symbols.
3705         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3706         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3707         Adjust size of input file header.
3708         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3709         (Incremental_inputs_reader::get_local_symbol_count): New function.
3710         (Incremental_inputs_reader::get_input_section): Adjust size of input
3711         file header.
3712         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3713         (Sized_incr_relobj::This): New typedef.
3714         (Sized_incr_relobj::sym_size): New const data member.
3715         (Sized_incr_relobj::Local_symbol): New struct.
3716         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3717         (Sized_incr_relobj::do_local_symbol_offset): New function.
3718         (Sized_incr_relobj::local_symbol_count_): New data member.
3719         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3720         (Sized_incr_relobj::local_symbol_index_): New data member.
3721         (Sized_incr_relobj::local_symbol_offset_): New data member.
3722         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3723         (Sized_incr_relobj::local_symbols_): New data member.
3724         * object.h (Relobj::output_local_symbol_count): New function.
3725         (Relobj::local_symbol_offset): New function.
3726         (Relobj::do_output_local_symbol_count): New function.
3727         (Relobj::do_local_symbol_offset): New function.
3728         (Sized_relobj::do_output_local_symbol_count): New function.
3729         (Sized_relobj::do_local_symbol_offset): New function.
3730
3731 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3732
3733         * descriptors.cc (set_close_on_exec): New function.
3734         (Descriptors::open): Use set_close_on_exec.
3735         * output.cc (S_ISLNK): Define if not defined.
3736
3737 2011-04-22 Cary Coutant  <ccoutant@google.com>
3738
3739         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3740         global symbol map.
3741         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3742         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3743         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3744         relocations.
3745         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3746         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3747         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3748         * incremental.h
3749         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3750         function.
3751         (Incremental_binary::apply_incremental_relocs): New function.
3752         (Incremental_binary::do_apply_incremental_relocs): New function.
3753         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3754         data member.
3755         (Sized_incremental_binary::add_global_symbol): New function.
3756         (Sized_incremental_binary::global_symbol): New function.
3757         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3758         (Sized_incremental_binary::symbol_map_): New data member.
3759         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3760         * target.h (Sized_target::apply_relocation): New function.
3761         * target-reloc.h (apply_relocation): New function.
3762         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3763
3764 2011-04-22  Doug Kwan  <dougkwan@google.com>
3765
3766         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3767         flag of a SHT_ARM_EXIDX section.
3768         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3769         * testsuite/Makefile.in: Regenerate.
3770         * testsuite/arm_exidx_test.s: New file.
3771         * testsuite/arm_exidx_test.sh: Same.
3772
3773 2011-04-20 Cary Coutant  <ccoutant@google.com>
3774
3775         PR gold/12689
3776         * archive.h (Incremental_archive_entry::Archive_member):
3777         Initialize arg_serial_ (second constructor).
3778
3779 2011-04-17  Ian Lance Taylor  <iant@google.com>
3780
3781         * object.cc (Relocate_info::location): Simplify location string.
3782         * errors.cc (Errors::error_at_location): Don't print program
3783         name.
3784         (Errors::warning_at_location): Likewise.
3785         (Errors::undefined_symbol): Likewise.
3786         * testsuite/debug_msg.sh: Update accordingly.
3787
3788 2011-04-14 Cary Coutant  <ccoutant@google.com>
3789
3790         * gold/layout.cc (Layout::symtab_section_offset): New function.
3791         * gold/layout.h (Layout::symtab_section_offset): New function.
3792         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3793
3794 2011-04-12  Ian Lance Taylor  <iant@google.com>
3795
3796         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3797         with MREMAP_MAYMOVE.
3798         * output.h (class Output_file): Add map_is_allocated_ field.
3799         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3800         not available, provide stubs.  If mremap is not available, #define
3801         it to gold_mremap.
3802         (MREMAP_MAYMOVE): Define if not defined.
3803         (Output_file::Output_file): Initialize map_is_allocated_.
3804         (Output_file::resize): Check map_is_allocated_.
3805         (Output_file::map_anonymous): If mmap fails, use malloc.
3806         (Output_file::unmap): Don't do anything for an anonymous map.
3807         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3808         is not available, provide stubs.
3809         (File_read::View::~View): Use free rather than delete[].
3810         (File_read::make_view): Use malloc rather than new[].  If mmap
3811         fails, use malloc.
3812         (File_read::find_or_make_view): Use malloc rather than new[].
3813         * gold.h: Remove HAVE_REMAP code.
3814         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3815         exists.  Rename mremap to gold_mremap.  If mmap is not available
3816         don't do anything.
3817         * configure, config.in: Rebuild.
3818
3819 2011-04-11  Ian Lance Taylor  <iant@google.com>
3820
3821         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3822         initialize local variable v.
3823
3824 2011-04-11  Cary Coutant  <ccoutant@google.com>
3825
3826         * archive.cc (Archive::include_member): Adjust call to
3827         report_object.
3828         (Add_archive_symbols::run): Track argument serial numbers.
3829         (Lib_group::include_member): Likewise.
3830         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3831         * archive.h (Incremental_archive_entry::Archive_member):
3832         Initialize arg_serial_.
3833         (Archive_member::arg_serial_): New data member.
3834         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3835         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3836         incremental link.
3837         (Sized_dynobj::do_for_all_local_got_entries): New function.
3838         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3839         function.
3840         * fileread.cc (get_mtime): New function.
3841         * fileread.h (get_mtime): New function.
3842         * gold.cc (queue_initial_tasks): Check for incremental update.
3843         (process_incremental_input): New function.
3844         (queue_middle_tasks): Don't force valid target for incremental
3845         update.
3846         * incremental-dump.cc (find_input_containing_global): Adjust
3847         size of symbol info entry.
3848         (dump_incremental_inputs): Dump argument serial number and
3849         in_system_directory flag; bias shndx by 1; print symbol names
3850         when dumping per-file symbol lists; use new symbol info readers.
3851         * incremental.cc
3852         (Output_section_incremental_inputs:update_data_size): New function.
3853         (Sized_incremental_binary::setup_readers): Setup input readers
3854         for each input file; build maps for files added from libraries
3855         and scripts.
3856         (Sized_incremental_binary::check_input_args): New function.
3857         (Sized_incremental_binary::do_check_inputs): Build map of argument
3858         serial numbers to input arguments.
3859         (Sized_incremental_binary::do_file_has_changed): Rename
3860         do_file_is_unchanged to this; compare file modification times.
3861         (Sized_incremental_binary::do_init_layout): New function.
3862         (Sized_incremental_binary::do_reserve_layout): New function.
3863         (Sized_incremental_binary::do_get_input_reader): Remove.
3864         (Sized_incremental_binary::get_symtab_view): New function.
3865         (Incremental_checker::can_incrementally_link_output_file): Remove.
3866         (Incremental_inputs::report_command_line): Exclude --debug options.
3867         (Incremental_inputs::report_archive_begin): Add parameter; track
3868         argument serial numbers; don't put input file entry for archive
3869         before archive members.
3870         (Incremental_inputs::report_archive_end): Put input file entry
3871         for archive after archive members.
3872         (Incremental_inputs::report_object): Add parameter; track argument
3873         serial numbers and in_system_directory flag.
3874         (Incremental_inputs::report_script): Add parameter; track argument
3875         serial numbers.
3876         (Output_section_incremental_inputs::set_final_data_size): Adjust
3877         size of symbol info entry; check for forwarding symbols.
3878         (Output_section_incremental_inputs::write_input_files): Write
3879         in_system_directory flag and argument serial number.
3880         (Output_section_incremental_inputs::write_info_blocks): Map section
3881         indices between incremental info and original input file; store
3882         input section index for each symbol.
3883         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3884         change operator() to visit().
3885         (class Global_got_offset_visitor): Likewise.
3886         (class Global_symbol_visitor_got_plt):
3887         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3888         classes.
3889         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3890         (Sized_incr_relobj::do_read_symbols): New function.
3891         (Sized_incr_relobj::do_layout): New function.
3892         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3893         (Sized_incr_relobj::do_add_symbols): New function.
3894         (Sized_incr_relobj::do_should_include_member): New function.
3895         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3896         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3897         (Sized_incr_relobj::do_section_size): New function.
3898         (Sized_incr_relobj::do_section_name): New function.
3899         (Sized_incr_relobj::do_section_contents): New function.
3900         (Sized_incr_relobj::do_section_flags): New function.
3901         (Sized_incr_relobj::do_section_entsize): New function.
3902         (Sized_incr_relobj::do_section_address): New function.
3903         (Sized_incr_relobj::do_section_type): New function.
3904         (Sized_incr_relobj::do_section_link): New function.
3905         (Sized_incr_relobj::do_section_info): New function.
3906         (Sized_incr_relobj::do_section_addralign): New function.
3907         (Sized_incr_relobj::do_initialize_xindex): New function.
3908         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3909         (Sized_incr_relobj::do_read_relocs): New function.
3910         (Sized_incr_relobj::do_gc_process_relocs): New function.
3911         (Sized_incr_relobj::do_scan_relocs): New function.
3912         (Sized_incr_relobj::do_count_local_symbols): New function.
3913         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3914         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3915         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3916         (Sized_incr_relobj::do_relocate): New function.
3917         (Sized_incr_relobj::do_set_section_offset): New function.
3918         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3919         (Sized_incr_dynobj::do_read_symbols): New function.
3920         (Sized_incr_dynobj::do_layout): New function.
3921         (Sized_incr_dynobj::do_add_symbols): New function.
3922         (Sized_incr_dynobj::do_should_include_member): New function.
3923         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3924         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3925         (Sized_incr_dynobj::do_section_size): New function.
3926         (Sized_incr_dynobj::do_section_name): New function.
3927         (Sized_incr_dynobj::do_section_contents): New function.
3928         (Sized_incr_dynobj::do_section_flags): New function.
3929         (Sized_incr_dynobj::do_section_entsize): New function.
3930         (Sized_incr_dynobj::do_section_address): New function.
3931         (Sized_incr_dynobj::do_section_type): New function.
3932         (Sized_incr_dynobj::do_section_link): New function.
3933         (Sized_incr_dynobj::do_section_info): New function.
3934         (Sized_incr_dynobj::do_section_addralign): New function.
3935         (Sized_incr_dynobj::do_initialize_xindex): New function.
3936         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3937         (make_sized_incremental_object): New function.
3938         (Incremental_library::copy_unused_symbols): New function.
3939         (Incremental_library::do_for_all_unused_symbols): New function.
3940         * incremental.h (enum Incremental_input_flags): New type.
3941         (class Incremental_checker): Remove.
3942         (Incremental_input_entry::Incremental_input_entry): Add argument
3943         serial number.
3944         (Incremental_input_entry::arg_serial): New function.
3945         (Incremental_input_entry::set_is_in_system_directory): New function.
3946         (Incremental_input_entry::is_in_system_directory): New function.
3947         (Incremental_input_entry::arg_serial_): New data member.
3948         (Incremental_input_entry::is_in_system_directory_): New data member.
3949         (class Script_info): Move here from script.h.
3950         (Script_info::Script_info): Add filename parameter.
3951         (Script_info::filename): New function.
3952         (Script_info::filename_): New data member.
3953         (Incremental_script_entry::Incremental_script_entry): Add argument
3954         serial number.
3955         (Incremental_object_entry::Incremental_object_entry): Likewise.
3956         (Incremental_object_entry::add_input_section): Build list of input
3957         sections with map to original shndx.
3958         (Incremental_object_entry::get_input_section_index): New function.
3959         (Incremental_object_entry::shndx_): New data member.
3960         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3961         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3962         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3963         serial number.
3964         (Incremental_inputs::report_archive_begin): Likewise.
3965         (Incremental_inputs::report_object): Likewise.
3966         (Incremental_inputs::report_script): Likewise.
3967         (class Incremental_global_symbol_reader): New class.
3968         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3969         and store flags and input file type.
3970         (Incremental_input_entry_reader::arg_serial): New function.
3971         (Incremental_input_entry_reader::type): Extract type from flags.
3972         (Incremental_input_entry_reader::is_in_system_directory): New function.
3973         (Incremental_input_entry_reader::get_input_section_count): Call
3974         accessor function for type.
3975         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3976         function for type; adjust size of global symbol entry.
3977         (Incremental_input_entry_reader::get_global_symbol_count): Call
3978         accessor function for type.
3979         (Incremental_input_entry_reader::get_object_count): Likewise.
3980         (Incremental_input_entry_reader::get_object_offset): Likewise.
3981         (Incremental_input_entry_reader::get_member_count): Likewise.
3982         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3983         (Incremental_input_entry_reader::get_member_offset): Likewise.
3984         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3985         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3986         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3987         (Incremental_input_entry_reader::get_global_symbol_reader): New
3988         function.
3989         (Incremental_input_entry_reader::get_output_symbol_index): New
3990         function.
3991         (Incremental_input_entry_reader::type_): Remove.
3992         (Incremental_input_entry_reader::flags_): New data member.
3993         (Incremental_inputs_reader::input_file_offset): New function.
3994         (Incremental_inputs_reader::input_file_index): New function.
3995         (Incremental_inputs_reader::input_file): Call input_file_offset.
3996         (Incremental_inputs_reader::input_file_at_offset): New function.
3997         (Incremental_relocs_reader::get_r_type): Reformat.
3998         (Incremental_relocs_reader::get_r_shndx): Reformat.
3999         (Incremental_relocs_reader::get_r_offset): Reformat.
4000         (Incremental_relocs_reader::data): New function.
4001         (Incremental_binary::Incremental_binary): Initialize new data members.
4002         (Incremental_binary::check_inputs): Add cmdline parameter.
4003         (Incremental_binary::file_is_unchanged): Remove.
4004         (Input_reader::arg_serial): New function.
4005         (Input_reader::get_unused_symbol_count): New function.
4006         (Input_reader::get_unused_symbol): New function.
4007         (Input_reader::do_arg_serial): New function.
4008         (Input_reader::do_get_unused_symbol_count): New function.
4009         (Input_reader::do_get_unused_symbol): New function.
4010         (Incremental_binary::input_file_count): New function.
4011         (Incremental_binary::get_input_reader): Change signature to use
4012         index instead of filename.
4013         (Incremental_binary::file_has_changed): New function.
4014         (Incremental_binary::get_input_argument): New function.
4015         (Incremental_binary::get_library): New function.
4016         (Incremental_binary::get_script_info): New function.
4017         (Incremental_binary::init_layout): New function.
4018         (Incremental_binary::reserve_layout): New function.
4019         (Incremental_binary::output_file): New function.
4020         (Incremental_binary::do_check_inputs): New function.
4021         (Incremental_binary::do_file_is_unchanged): Remove.
4022         (Incremental_binary::do_file_has_changed): New function.
4023         (Incremental_binary::do_init_layout): New function.
4024         (Incremental_binary::do_reserve_layout): New function.
4025         (Incremental_binary::do_input_file_count): New function.
4026         (Incremental_binary::do_get_input_reader): Change signature.
4027         (Incremental_binary::input_args_map_): New data member.
4028         (Incremental_binary::library_map_): New data member.
4029         (Incremental_binary::script_map_): New data member.
4030         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4031         new data members.
4032         (Sized_incremental_binary::output_section): New function.
4033         (Sized_incremental_binary::inputs_reader): Add const.
4034         (Sized_incremental_binary::symtab_reader): Add const.
4035         (Sized_incremental_binary::relocs_reader): Add const.
4036         (Sized_incremental_binary::got_plt_reader): Add const.
4037         (Sized_incremental_binary::get_symtab_view): New function.
4038         (Sized_incremental_binary::Inputs_reader): New typedef.
4039         (Sized_incremental_binary::Input_entry_reader): New typedef.
4040         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4041         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4042         (Sized_incremental_binary::do_file_has_changed): New function.
4043         (Sized_incremental_binary::do_init_layout): New function.
4044         (Sized_incremental_binary::do_reserve_layout): New function.
4045         (Sized_input_reader::Inputs_reader): Remove.
4046         (Sized_input_reader::Input_entry_reader): Remove.
4047         (Sized_input_reader::do_arg_serial): New function.
4048         (Sized_input_reader::do_get_unused_symbol_count): New function.
4049         (Sized_input_reader::do_get_unused_symbol): New function.
4050         (Sized_incremental_binary::do_input_file_count): New function.
4051         (Sized_incremental_binary::do_get_input_reader): Change signature;
4052         use index instead of filename.
4053         (Sized_incremental_binary::section_map_): New data member.
4054         (Sized_incremental_binary::input_entry_readers_): New data member.
4055         (class Sized_incr_relobj): New class.
4056         (class Sized_incr_dynobj): New class.
4057         (make_sized_incremental_object): New function.
4058         (class Incremental_library): New class.
4059         * layout.cc (Free_list::num_lists): New static data member.
4060         (Free_list::num_nodes): New static data member.
4061         (Free_list::num_removes): New static data member.
4062         (Free_list::num_remove_visits): New static data member.
4063         (Free_list::num_allocates): New static data member.
4064         (Free_list::num_allocate_visits): New static data member.
4065         (Free_list::init): New function.
4066         (Free_list::remove): New function.
4067         (Free_list::allocate): New function.
4068         (Free_list::dump): New function.
4069         (Free_list::print_stats): New function.
4070         (Layout_task_runner::run): Resize output file for incremental updates.
4071         (Layout::Layout): Initialize new data members.
4072         (Layout::set_incremental_base): New function.
4073         (Layout::init_fixed_output_section): New function.
4074         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4075         incremental updates.
4076         (Layout::create_gold_note): Do not create gold note section for
4077         incremental updates.
4078         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4079         for incremental updates.
4080         (Layout::set_section_offsets): For incremental updates, allocate space
4081         from free list.
4082         (Layout::create_symtab_sections): Layout with offsets relative to
4083         start of section; for incremental updates, allocate space from free
4084         list.
4085         (Layout::create_shdrs): For incremental updates, allocate space from
4086         free list.
4087         (Layout::finish_dynamic_section): For incremental updates, do not
4088         check --as-needed (fixed in subsequent patch).
4089         * layout.h (class Free_list): New class.
4090         (Layout::set_incremental_base): New function.
4091         (Layout::incremental_base): New function.
4092         (Layout::init_fixed_output_section): New function.
4093         (Layout::allocate): New function.
4094         (Layout::incremental_base_): New data member.
4095         (Layout::free_list_): New data member.
4096         * main.cc (main): Print Free_list statistics.
4097         * object.cc (Relobj::finalize_incremental_relocs): Add
4098         clear_counts parameter; clear counts only when clear_counts is set.
4099         (Sized_relobj::Sized_relobj): Initialize new base class.
4100         (Sized_relobj::do_layout): Don't report special sections.
4101         (Sized_relobj::do_for_all_local_got_entries): New function.
4102         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4103         symtab_off to all symbol table offsets.
4104         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4105         * object.h (class Got_offset_list): Move to top of file.
4106         (Object::Object): Allow case where input_file == NULL.
4107         (Object::~Object): Likewise.
4108         (Object::input_file): Assert that input_file != NULL.
4109         (Object::lock): Allow case where input_file == NULL.
4110         (Object::unlock): Likewise.
4111         (Object::is_locked): Likewise.
4112         (Object::token): Likewise.
4113         (Object::release): Likewise.
4114         (Object::is_incremental): New function.
4115         (Object::get_mtime): New function.
4116         (Object::for_all_local_got_entries): New function.
4117         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4118         (Object::set_is_in_system_directory): New function.
4119         (Object::is_in_system_directory): New function.
4120         (Object::do_is_incremental): New function.
4121         (Object::do_get_mtime): New function.
4122         (Object::do_for_all_local_got_entries): New function.
4123         (Object::is_in_system_directory_): New data member.
4124         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4125         (class Sized_relobj_base): New class.
4126         (class Sized_relobj): Derive from Sized_relobj_base.
4127         (class Sized_relobj::Symbols): Redeclare from base class.
4128         (class Sized_relobj::local_got_offset_list): Remove.
4129         (class Sized_relobj::Output_sections): Redeclare from base class.
4130         (class Sized_relobj::do_for_all_local_got_entries): New function.
4131         (class Sized_relobj::write_local_symbols): Add offset parameter.
4132         (class Sized_relobj::local_symbol_offset_): Update comment.
4133         (class Sized_relobj::local_dynsym_offset_): Update comment.
4134         * options.cc (Input_arguments::add_file): Remove const.
4135         * options.h (Input_file_argument::Input_file_argument):
4136         Initialize arg_serial_ (all constructors).
4137         (Input_file_argument::set_arg_serial): New function.
4138         (Input_file_argument::arg_serial): New function.
4139         (Input_file_argument::arg_serial_): New data member.
4140         (Input_arguments::Input_arguments): Initialize file_count_.
4141         (Input_arguments::add_file): Remove const.
4142         (Input_arguments::number_of_input_files): New function.
4143         (Input_arguments::file_count_): New data member.
4144         (Command_line::number_of_input_files): Call
4145         Input_arguments::number_of_input_files.
4146         * output.cc (Output_segment_headers::Output_segment_headers):
4147         Set current size.
4148         (Output_section::Input_section::current_data_size): New function.
4149         (Output_section::Output_section): Initialize new data members.
4150         (Output_section::add_input_section): Don't do merge sections for
4151         an incremental link; allocate space from free list for an
4152         incremental update.
4153         (Output_section::add_output_section_data): Allocate space from
4154         free list for an incremental update.
4155         (Output_section::update_data_size): New function.
4156         (Output_section::set_fixed_layout): New function.
4157         (Output_section::reserve): New function.
4158         (Output_segment::set_section_addresses): Remove const.
4159         (Output_segment::set_section_list_addresses): Remove const; allocate
4160         space from free list for an incremental update.
4161         (Output_segment::set_offset): Adjust size of RELRO segment for an
4162         incremental update.
4163         * output.h (Output_data::current_data_size): Move here from
4164         child classes.
4165         (Output_data::pre_finalize_data_size): New function.
4166         (Output_data::update_data_size): New function.
4167         (Output_section_headers::update_data_size): new function.
4168         (Output_section_data_build::current_data_size): Move to Output_data.
4169         (Output_data_strtab::update_data_size): New function.
4170         (Output_section::current_data_size): Move to Output_data.
4171         (Output_section::set_fixed_layout): New function.
4172         (Output_section::has_fixed_layout): New function.
4173         (Output_section::reserve): New function.
4174         (Output_section::update_data_size): New function.
4175         (Output_section::has_fixed_layout_): New data member.
4176         (Output_section::free_list_): New data member.
4177         (Output_segment::set_section_addresses): Remove const.
4178         (Output_segment::set_section_list_addresses): Remove const.
4179         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4180         New function.
4181         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4182         New function.
4183         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4184         parameter when calling Add_symbols constructor; store argument
4185         serial number for members of a lib group.
4186         (Add_symbols::locks): Allow case where token == NULL.
4187         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4188         (Read_member::~Read_member): New function.
4189         (Read_member::is_runnable): New function.
4190         (Read_member::locks): New function.
4191         (Read_member::run): New function.
4192         (Check_script::~Check_script): New function.
4193         (Check_script::is_runnable): New function.
4194         (Check_script::locks): New function.
4195         (Check_script::run): New function.
4196         (Check_library::~Check_library): New function.
4197         (Check_library::is_runnable): New function.
4198         (Check_library::locks): New function.
4199         (Check_library::run): New function.
4200         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4201         (Add_symbols::library_): New data member.
4202         (class Read_member): New class.
4203         (class Check_script): New class.
4204         (class Check_library): New class.
4205         * reloc.cc (Read_relocs::is_runnable): Allow case where
4206         token == NULL.
4207         (Read_relocs::locks): Likewise.
4208         (Scan_relocs::locks): Likewise.
4209         (Relocate_task::locks): Likewise.
4210         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4211         to clear counters.
4212         (Sized_relobj::incremental_relocs_scan): Fix comment.
4213         (Sized_relobj::do_relocate): Pass output file offset to
4214         write_local_symbols.
4215         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4216         from class declaration.
4217         * script.cc (read_input_script): Allocate Script_info; pass
4218         argument serial number to report_script.
4219         * script.h (class Script_info): Move to incremental.h.
4220         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4221         * symtab.h (Symbol_table::add_from_incrobj): New function.
4222         (Symbol_table::set_file_offset): New function.
4223
4224 2011-04-05  Cary Coutant  <ccoutant@google.com>
4225
4226         * incremental-dump.cc (dump_incremental_inputs): Change signature
4227         to take a Sized_incremental_binary; change caller.  Use readers
4228         in Sized_incremental_binary.
4229         * incremental.cc
4230         (Sized_incremental_binary::find_incremental_inputs_sections):
4231         Rename do_find_incremental_inputs_sections to this.
4232         (Sized_incremental_binary::setup_readers): New function.
4233         (Sized_incremental_binary::do_check_inputs): Check
4234         has_incremental_info_ flag; move setup code to setup_readers;
4235         use input readers.
4236         (Sized_incremental_binary::do_file_is_unchanged): New function.
4237         (Sized_incremental_binary::do_get_input_reader): New function.
4238         * incremental.h (class Incremental_binary): Move to end of file.
4239         (Incremental_binary::file_is_unchanged): New function.
4240         (Incremental_binary::do_file_is_unchanged): New function.
4241         (Incremental_binary::Input_reader): New class.
4242         (Incremental_binary::get_input_reader): New function.
4243         (class Sized_incremental_binary): Move to end of file.
4244         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4245         input section reader classes.
4246         (Sized_incremental_binary::has_incremental_info): New function.
4247         (Sized_incremental_binary::inputs_reader): New function.
4248         (Sized_incremental_binary::symtab_reader): New function.
4249         (Sized_incremental_binary::relocs_reader): New function.
4250         (Sized_incremental_binary::got_plt_reader): New function.
4251         (Sized_incremental_binary::do_file_is_unchanged): New function.
4252         (Sized_incremental_binary::Sized_input_reader): New class.
4253         (Sized_incremental_binary::get_input_reader): New function.
4254         (Sized_incremental_binary::find_incremental_inputs_sections):
4255         Rename do_find_incremental_inputs_sections to this.
4256         (Sized_incremental_binary::setup_readers): New function.
4257         (Sized_incremental_binary::has_incremental_info_): New data member.
4258         (Sized_incremental_binary::inputs_reader_): New data member.
4259         (Sized_incremental_binary::symtab_reader_): New data member.
4260         (Sized_incremental_binary::relocs_reader_): New data member.
4261         (Sized_incremental_binary::got_plt_reader_): New data member.
4262         (Sized_incremental_binary::current_input_file_): New data member.
4263
4264 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4265
4266         PR gold/12640
4267         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4268         violation.
4269
4270 2011-03-30  Cary Coutant  <ccoutant@google.com>
4271
4272         * archive.cc (Archive::include_member): Adjust call to report_object.
4273         (Add_archive_symbols::run): Add script_info to call to
4274         report_archive_begin.
4275         (Lib_group::include_member): Adjust call to report_object.
4276         (Add_lib_group_symbols::run): Adjust call to report_object.
4277         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4278         blocks.  Add object count for script input files.
4279         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4280         script_info parameter; change all callers.
4281         (Incremental_inputs::report_object): Add script_info parameter;
4282         change all callers.
4283         (Incremental_inputs::report_script): Store backpointer to
4284         incremental info entry.
4285         (Output_section_incremental_inputs::set_final_data_size): Record
4286         additional information for scripts.
4287         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4288         * incremental.h (Incremental_script_entry::add_object): New function.
4289         (Incremental_script_entry::get_object_count): New function.
4290         (Incremental_script_entry::get_object): New function.
4291         (Incremental_script_entry::objects_): New data member; adjust
4292         constructor.
4293         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4294         (Incremental_inputs::report_object): Add script_info parameter.
4295         (Incremental_inputs_reader::get_object_count): New function.
4296         (Incremental_inputs_reader::get_object_offset): New function.
4297         * options.cc (Input_arguments::add_file): Return reference to
4298         new input argument.
4299         * options.h (Input_argument::set_script_info): New function.
4300         (Input_argument::script_info): New function.
4301         (Input_argument::script_info_): New data member; adjust all
4302         constructors.
4303         (Input_file_group::add_file): Return reference to new input argument.
4304         (Input_file_lib::add_file): Likewise.
4305         (Input_arguments::add_file): Likewise.
4306         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4307         * script.cc (Parser_closure::Parser_closure): Add script_info
4308         parameter; adjust all callers.
4309         (Parser_closure::script_info): New function.
4310         (Parser_closure::script_info_): New data member.
4311         (read_input_script): Report scripts earlier to incremental info.
4312         (script_add_file): Set script_info in Input_argument.
4313         (script_add_library): Likewise.
4314         * script.h (Script_options::Script_info): Rewrite class.
4315
4316 2011-03-29  Cary Coutant  <ccoutant@google.com>
4317
4318         * archive.cc (Library_base::should_include_member): Move
4319         method here from class Archive.
4320         (Archive::Archive): Initialize base class.
4321         (Archive::should_include_member): Move to base class.
4322         (Archive::do_for_all_unused_symbols): New function.
4323         (Add_archive_symbols::run): Remove redundant access to
4324         incremental_inputs.
4325         (Lib_group::Lib_group): Initialize base class.
4326         (Lib_group::do_filename): New function.
4327         (Lib_group::include_member): Pass pointer to Lib_group to
4328         report_object.
4329         (Lib_group::do_for_all_unused_symbols): New function.
4330         (Add_lib_group_symbols::run): Report archive information for
4331         incremental links.
4332         * archive.h (class Library_base): New base class.
4333         (class Archive): Derive from Library_base.
4334         (Archive::filename): Move to base class.
4335         (Archive::set_incremental_info): Likewise.
4336         (Archive::incremental_info): Likewise.
4337         (Archive::Should_include): Likewise.
4338         (Archive::should_include_member): Likewise.
4339         (Archive::Armap_entry): Remove.
4340         (Archive::Unused_symbol_iterator): Remove.
4341         (Archive::unused_symbols_begin): Remove.
4342         (Archive::unused_symbols_end): Remove.
4343         (Archive::do_filename): New function.
4344         (Archive::do_get_mtime): New function.
4345         (Archive::do_for_all_unused_symbols): New function.
4346         (Archive::task_): Move to base class.
4347         (Archive::incremental_info_): Likewise.
4348         (class Lib_group): Derive from Library_base.
4349         (Lib_group::do_filename): New function.
4350         (Lib_group::do_get_mtime): New function.
4351         (Lib_group::do_for_all_unused_symbols): New function.
4352         (Lib_group::task_): Move to base class.
4353         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4354         function.
4355         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4356         function.
4357         * incremental.cc (Incremental_inputs::report_archive_begin):
4358         Use Library_base; call library's get_mtime; add incremental inputs
4359         entry before members.
4360         (class Unused_symbol_visitor): New class.
4361         (Incremental_inputs::report_archive_end): Use Library_base; use
4362         visitor class to record unused symbols; don't add incremental inputs
4363         entry after members.
4364         (Incremental_inputs::report_object): Use Library_base.
4365         * incremental.h
4366         (Incremental_archive_entry::Incremental_archive_entry): Remove
4367         unused Archive parameter.
4368         (Incremental_inputs::report_archive_begin): Use Library_base.
4369         (Incremental_inputs::report_archive_end): Likewise.
4370         (Incremental_inputs::report_object): Likewise.
4371         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4372         function.
4373         * object.h (Object::for_all_global_symbols): New function.
4374         (Object::do_for_all_global_symbols): New function.
4375         (Sized_relobj::do_for_all_global_symbols): New function.
4376         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4377         function.
4378         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4379         function.
4380
4381 2011-03-27  Ian Lance Taylor  <iant@google.com>
4382
4383         * archive.cc (Archive::interpret_header): Return -1 if something
4384         goes wrong.  Change callers accordingly.
4385
4386 2011-03-25  Cary Coutant  <ccoutant@google.com>
4387
4388         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4389         * testsuite/Makefile.in: Regenerate.
4390
4391 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4392
4393         * plugin.cc (get_view): New.
4394         (Plugin::load): Pass get_view to the plugin.
4395         (Plugin_manager::get_view): New.
4396
4397 2011-03-21  Ian Lance Taylor  <iant@google.com>
4398
4399         * testsuite/final_layout.sh: Rewrite to not use dc.
4400         * testsuite/relro_test.sh: Fail if dc is not present.
4401
4402 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4403
4404         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4405         Change == to -eq.
4406         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4407         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4408         Change == to -eq.
4409         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4410         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4411
4412 2011-03-14  Ian Lance Taylor  <iant@google.com>
4413
4414         * script-sections.cc (Sort_output_sections::script_compare):
4415         Rename from is_before, change return type.
4416         (Sort_output_sections::operator()): Adjust accordingly.
4417
4418 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4419
4420         PR gold/12572
4421         * testsuite/odr_violation2.cc: Add comment to make all error line
4422         numbers double digits.
4423         * testsuite/debug_msg.sh: Adjust expected errors.
4424
4425 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4426
4427         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4428         but mark earlier ones as non-canonical
4429         (offset_to_iterator): Update search target and example
4430         (do_addr2line): Return extra lines in a vector*
4431         (format_file_lineno): Extract from do_addr2line
4432         (one_addr2line): Add vector* out-param
4433         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4434         when a lineno entry appeared last for its instruction
4435         (Dwarf_line_info): Add vector* out-param
4436         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4437         * symtab.cc (Odr_violation_compare): Include the lineno in the
4438         comparison again.
4439         (linenos_from_loc): New. Combine the canonical line for an
4440         address with its other lines.
4441         (True_if_intersect): New. Helper functor to make
4442         std::set_intersection a query.
4443         (detect_odr_violations): Compare sets of lines instead of just
4444         one line for each function. This became less deterministic, but
4445         has fewer false positives.
4446         * symtab.h: Declarations.
4447         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4448         mix an optimized and non-optimized object in the same binary
4449         (odr_violation2.so): Same.
4450         * testsuite/Makefile.in: Regenerate from Makefile.am.
4451         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4452         * testsuite/debug_msg.sh: Update line numbers and add
4453         assertions.
4454         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4455         non-optimized context.
4456         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4457         isn't inlined, and use OdrDerived in an optimized context.
4458         * testsuite/odr_header1.h: Defines OdrDerived, where
4459         optimization will change the
4460         first-instruction-in-the-destructor's file and line number.
4461         * testsuite/odr_header2.h: Defines OdrBase.
4462
4463 2011-03-09  Ian Lance Taylor  <iant@google.com>
4464
4465         * fileread.cc (File_read::clear_views): Don't delete the whole
4466         file view.
4467
4468 2011-03-08  Ian Lance Taylor  <iant@google.com>
4469
4470         PR gold/12525
4471         * fileread.cc: #include <climits>.
4472         (GOLD_IOV_MAX): Define.
4473         (File_read::read_multiple): Limit number of entries by iov_max.
4474         * fileread.h (class File_read): Always set max_readv_entries to
4475         128.
4476
4477 2011-03-07  Ian Lance Taylor  <iant@google.com>
4478
4479         PR gold/12525
4480         * options.h (class General_options): Add -dy and -dn.
4481
4482 2011-03-02  Cary Coutant  <ccoutant@google.com>
4483
4484         * testsuite/script_test_9.t: Add TLS segment.
4485
4486 2011-03-02  Simon Baldwin  <simonb@google.com>
4487
4488         * configure.ac: Add check for gnu_indirect_function support in
4489         the toolchain building binutils.
4490         * configure: Rebuild.
4491
4492 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4493
4494         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4495         plugin only symbols.
4496         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4497         in plugin files as not needed in the symbol table.
4498
4499 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4500
4501         * output.cc (Output_section::add_input_section): Delay fill
4502         generation for section ordering.
4503
4504 2011-02-09  Ian Lance Taylor  <iant@google.com>
4505
4506         PR gold/12316
4507         * object.h (class Sized_relobj): Remove clear_local_symbols.
4508         * reloc.cc (Sized_relobj::do_relocate): Don't call
4509         clear_local_symbols.
4510
4511 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4512
4513         * plugin.cc (is_visible_from_outside): Return true for symbols
4514         in the -u option.
4515
4516 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4517
4518         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4519         filename.
4520
4521 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4522
4523         * icf.h (is_section_foldable_candidate): Change type of parameter
4524         to std::string.
4525         * icf.cc (Icf::find_identical_sections): Change type of local variable
4526         section_name to be std::string.
4527         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4528
4529 2011-01-25  Ian Lance Taylor  <iant@google.com>
4530
4531         * script.cc (script_add_extern): Rewrite to use
4532         add_symbol_reference.
4533
4534 2011-01-25  Doug Kwan  <dougkwan@google.com>
4535
4536         * icf.cc (get_section_contents): Always lock section's object.
4537
4538 2011-01-24  Ian Lance Taylor  <iant@google.com>
4539
4540         * options.h (class General_options): Accept
4541         --no-detect-odr-violations.
4542
4543 2011-01-24  Ian Lance Taylor  <iant@google.com>
4544
4545         * version.cc (version_string): Bump to 1.11.
4546
4547 2011-01-24  Ian Lance Taylor  <iant@google.com>
4548
4549         * plugin.cc (class Plugin_rescan): Define new class.
4550         (Plugin_manager::claim_file): Set any_claimed_.
4551         (Plugin_manager::save_archive): New function.
4552         (Plugin_manager::save_input_group): New function.
4553         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4554         necessary.
4555         (Plugin_manager::new_undefined_symbol): New function.
4556         (Plugin_manager::rescan): New function.
4557         (Plugin_manager::rescannable_defines): New function.
4558         (Plugin_manager::add_input_file): Set any_added_.
4559         * plugin.h (class Plugin_manager): define new fields rescannable_,
4560         undefined_symbols_, any_claimed_, and any_added_.  Declare
4561         Plugin_rescan as friend.  Declare new functions.
4562         (Plugin_manager::Rescannable): Define type.
4563         (Plugin_manager::Rescannable_list): Define type.
4564         (Plugin_manager::Undefined_symbol_list): Define type.
4565         (Plugin_manager::Plugin_manager): Initialize new fields.
4566         * archive.cc (Archive::defines_symbol): New function.
4567         (Add_archive_symbols::run): Pass archive to plugins if any.
4568         * archive.h (class Archive): Declare defines_symbol.
4569         * readsyms.cc (Input_group::~Input_group): New function.
4570         (Finish_group::run): Pass input_group to plugins if any.
4571         * readsyms.h (class Input_group): Declare destructor.
4572         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4573         any.
4574
4575 2011-01-10  Ian Lance Taylor  <iant@google.com>
4576
4577         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4578         section as relro.
4579         (Layout::set_segment_offsets): Reset increase_relro before calling
4580         set_section_addresses a second time.
4581
4582 2011-01-04  Cary Coutant  <ccoutant@google.com>
4583
4584         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4585         sections before NOBITS sections.
4586
4587 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4588
4589         * version.cc (print_version): Update copyright to 2011.
4590
4591 2010-12-23  Cary Coutant  <ccoutant@google.com>
4592
4593         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4594         of OS to this->add.  Add OD parameter to second form of the function.
4595
4596 2010-12-20  Ian Lance Taylor  <iant@google.com>
4597
4598         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4599         second of two consecutive entries with same offset.
4600
4601 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4602
4603         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4604         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4605         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4606         to avoid unneeded links against $(LDADD).
4607         * testsuite/Makefile.in: Regenerate.
4608
4609 2010-12-15  Ian Lance Taylor  <iant@google.com>
4610
4611         PR gold/12324
4612         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4613         for R_X86_64_32 and R_X86_64_PC32.
4614         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4615         ver_matching_def_pic.o.
4616         (ver_matching_def_pic.o): New target.
4617
4618 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4619
4620         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4621         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4622         Move definition before File_read::View member definitions.
4623         (File_read::View::~View): Initialize and hold lock before
4624         updating current_mapped_bytes.
4625
4626 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4627
4628         * dwarf_reader.cc: Remove outdated comment.
4629         * gold-threads.cc: Fix typo in error message.
4630         * archive.cc: Fix typos in comments.
4631         * archive.h: Likewise.
4632         * arm-reloc-property.cc: Likewise.
4633         * arm-reloc-property.h: Likewise.
4634         * arm-reloc.def: Likewise.
4635         * arm.cc: Likewise.
4636         * attributes.h: Likewise.
4637         * cref.cc: Likewise.
4638         * ehframe.cc: Likewise.
4639         * fileread.h: Likewise.
4640         * gold.h: Likewise.
4641         * i386.cc: Likewise.
4642         * icf.cc: Likewise.
4643         * incremental.h: Likewise.
4644         * int_encoding.cc: Likewise.
4645         * layout.h: Likewise.
4646         * main.cc: Likewise.
4647         * merge.h: Likewise.
4648         * object.cc: Likewise.
4649         * object.h: Likewise.
4650         * options.cc: Likewise.
4651         * readsyms.cc: Likewise.
4652         * reduced_debug_output.cc: Likewise.
4653         * reloc.cc: Likewise.
4654         * script-sections.cc: Likewise.
4655         * sparc.cc: Likewise.
4656         * symtab.h: Likewise.
4657         * target-reloc.h: Likewise.
4658         * target.cc: Likewise.
4659         * target.h: Likewise.
4660         * timer.cc: Likewise.
4661         * timer.h: Likewise.
4662         * x86_64.cc: Likewise.
4663
4664 2010-12-09  Cary Coutant  <ccoutant@google.com>
4665
4666         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4667         stack.
4668         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4669         parameter; change all callers.
4670         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4671         * options.h (warn_execstack): New option.
4672
4673 2010-12-07  Doug Kwan  <dougkwan@google.com>
4674
4675         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4676         like function call relocations.
4677
4678 2010-12-07  Ian Lance Taylor  <iant@google.com>
4679
4680         * archive.cc (Archive::get_elf_object_for_member): Permit
4681         punconfigured to be NULL.
4682         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4683         (Archive::include_member): Pass NULL to get_elf_object_for_member
4684         if we searched for the archive and this is the first included
4685         object.
4686
4687 2010-12-01  Ian Lance Taylor  <iant@google.com>
4688
4689         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4690         track_relocs_type_ field.
4691         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4692         Set track_relocs_type_.
4693         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4694         contents when using RELA relocs.
4695         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4696         reloc_map_.
4697         * reloc.cc (Track_relocs::next_addend): New function.
4698         * reloc.h (class Track_relocs): Declare next_addend.
4699
4700 2010-12-01  Ian Lance Taylor  <iant@google.com>
4701
4702         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4703         virtual destructor.
4704
4705 2010-12-01  Ian Lance Taylor  <iant@google.com>
4706
4707         * README: Update compilers known to work and fail.
4708
4709 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4710
4711         * configure.in: For --enable-gold, handle value `default' instead of
4712         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4713         not the default.
4714         * configure: Regenerate.
4715
4716 2010-11-18  Doug Kwan  <dougkwan@google.com>
4717
4718         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4719         and right_alignment to be zero.  Store result alignment only if it is
4720         greater than existing alignment.
4721
4722 2010-11-16  Cary Coutant  <ccoutant@google.com>
4723
4724         PR gold/12220
4725         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4726         Check for ".zdebug_line".
4727
4728 2010-11-16  Doug Kwan  <dougkwan@google.com>
4729             Cary Coutant  <ccoutant@google.com>
4730
4731         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4732         by reference; adjust all callers.
4733         * output.cc (Output_segment::set_section_addresses): Adjust references
4734         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4735         list is empty.
4736         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4737         end at page boundary.
4738
4739 2010-11-16  Cary Coutant  <ccoutant@google.com>
4740
4741         PR gold/12220
4742         * layout.cc (Layout::choose_output_section): Transform names of
4743         compressed sections even when using a script with a SECTIONS clause.
4744         (Layout::output_section_name): Remove code to transform
4745         compressed debug section names.
4746         * output.cc (Output_section::add_input_section): Use uncompressed
4747         section size when tracking input sections.
4748
4749 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4750
4751         * symtab.h (Symbol::NON_PIC_REF): Remove.
4752         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4753         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4754         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4755         (Symbol::use_plt_offset): Take a flags argument and pass it
4756         directly to needs_dynamic_reloc.  Restrict check for undefined
4757         weak symbols to function calls.
4758         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4759         (Target_arm::Scan::global): Use it.
4760         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4761         (Target_arm::Relocate::relocate): Likewise.
4762         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4763         parameter with an r_type parameter.  Use get_reference_flags
4764         to get the flags.
4765         (Target_arm::Relocate::relocate): Update accordingly.
4766         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4767         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4768         (Target_i386::Scan::global): Likewise.
4769         (Target_i386::Relocate::relocate): Likewise.
4770         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4771         parameter with an r_type parameter.  Use get_reference_flags
4772         to get the flags.
4773         (Target_i386::Relocate::relocate): Update accordingly.
4774         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4775         (Target_powerpc::Scan::global): Use it.
4776         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4777         (Target_powerpc::Relocate::relocate): Likewise.
4778         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4779         (Target_sparc::Scan::global): Use it.
4780         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4781         (Target_sparc::Relocate::relocate): Likewise.
4782         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4783         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4784         (Target_x86_64::Scan::global): Likewise.
4785         (Target_x86_64::Relocate::relocate): Likewise.
4786
4787 2010-11-08  Doug Kwan  <dougkwan@google.com>
4788             Cary Coutant  <ccoutant@google.com>
4789
4790         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4791         (Arm_exidx_merge_section::section_contents_): New data member.
4792         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4793         (Arm_input_section::~Arm_input_section): De-allocate memory.
4794         (Arm_input_section::original_contents_): New data member.
4795         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4796         in parameters instead of calling Object::section_contents without
4797         locking.
4798         (Arm_output_section::group_section): New parameter TASK.  Pass it
4799         to callees that need locking objects.
4800         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4801         to lock EXIDX input sections.  Fix a formatting issue.  Call
4802         Arm_exidx_merged_section::build_contents to create merged section
4803         contents.
4804         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4805         to lock object of stub table owner.
4806         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4807         TEXT_SIZE to initialize data member TEXT_SIZE_.
4808         (Arm_exidx_input_section::addralign): Fix typo in comment.
4809         (Arm_exidx_input_section::text_size): New method.
4810         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4811         that require locking objects.  Lock objects before scanning for stubs
4812         and updating local symbols.
4813         (Arm_input_section<big_endian>::init): Copy contents of original
4814         input section.
4815         (Arm_input_section<big_endian>::do_write): Use saved contents of
4816         original input section instead of calling Object::section_contents
4817         without locking.
4818         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4819         size without calling Object::section_size().
4820         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4821         for size.  Allocate a buffer for merged EXIDX entries.
4822         (Arm_exidx_merged_section::build_contents): New method.
4823         (Arm_exidx_merged_section::do_write): Move merge section contents
4824         building code to Arm_exidx_merged_section::build_contetns.  Write
4825         out contetns in buffer instead of building it on the fly.
4826         (Arm_relobj::make_exidx_input_section): Also pass text section size
4827         to Arm_exidx_input_section constructor.
4828         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4829         (Arm_dynobj::do_read_symbols): Fix memory leak.
4830         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4831         * target.h: (class Task): Add forward declaration.
4832         (Target::relax): Add new parameter TASK and pass it to
4833         Target::do_relax().
4834         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4835
4836 2010-11-05  Cary Coutant  <ccoutant@google.com>
4837
4838         PR gold/10708
4839         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4840         object when reading from the file.
4841         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4842         second layout pass.
4843         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4844         when reading section contents.
4845         (get_section_contents): Likewise.
4846         (icf::find_identical_sections): Likewise.
4847         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4848         object when reading from the file.
4849         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4850         the object when doing deferred section layout.
4851
4852 2010-11-03  Nick Clifton  <nickc@redhat.com>
4853
4854         PR gold/12001
4855         * script.h (class Symbol_assignment: name): New member.  Returns
4856         the name of the symbol.
4857         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4858         Returns true if the given symbol name is on the list of
4859         assignments wating to be processed.
4860         * archive.cc (should_incldue_member): If the symbol is undefined,
4861         check to see if it is on the list of symbols pending assignment.
4862
4863 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4864
4865         * script-sections.cc (Script_sections::find_memory_region): Check
4866         for a NULL output section pointer.
4867
4868 2010-10-29  Doug Kwan  <dougkwan@google.com>
4869
4870         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4871         Output_section::add_relaxed_input_section.
4872         * output.cc (Output_section::add_relaxed_input_section): Add new
4873         arguments LAYOUT and NAME.  Set section order index.
4874         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4875         Copy section order index.
4876         * output.h (Output_section::add_relaxed_input_section): Add new
4877         arguments LAYOUT and NAME.
4878
4879 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4880
4881         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4882         NATIVE_OR_CROSS_LINKER.
4883         * testsuite/Makefile.in: Regenerate.
4884
4885 2010-10-20  Doug Kwan  <dougkwan@google.com>
4886
4887         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4888         without SHF_LINK_ORDER flags.
4889         * layout.cc (Layout::choose_output_section): Do not filter
4890         SHF_LINK_ORDER flag in a relocatable link.
4891
4892 2010-10-17  Cary Coutant  <ccoutant@google.com>
4893
4894         * output.h (Output_segment::set_section_addresses): Change function
4895         signature.  Update all callers.
4896         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4897         sections.
4898         (Output_segment::set_section_addresses): Align after last TLS
4899         section.  Add padding before last relro section instead of after.
4900
4901 2010-10-17  Doug Kwan  <dougkwan@google.com>
4902
4903         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4904         GOT output section to be writable.
4905
4906 2010-10-14  Cary Coutant  <ccoutant@google.com>
4907
4908         * debug.h (DEBUG_INCREMENTAL): New flag.
4909         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4910         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4911         mode.
4912         * incremental.cc (report_command_line): Ignore all forms of
4913         --incremental.
4914         * layout.cc (Layout::Layout): Check parameters for incremental link
4915         mode.
4916         * options.cc (General_options::parse_incremental): New function.
4917         (General_options::parse_no_incremental): New function.
4918         (General_options::parse_incremental_full): New function.
4919         (General_options::parse_incremental_update): New function.
4920         (General_options::incremental_mode_): New data member.
4921         (General_options::finalize): Check incremental_mode_.
4922         * options.h (General_options): Update help text for --incremental.
4923         Add --no-incremental, --incremental-full, --incremental-update.
4924         (General_options::Incremental_mode): New enum type.
4925         (General_options::incremental_mode): New function.
4926         (General_options::incremental_mode_): New data member.
4927         * parameters.cc (Parameters::incremental_mode_): New data member.
4928         (Parameters::set_options): Set incremental_mode_.
4929         (Parameters::set_incremental_full): New function.
4930         (Parameters::incremental): New function.
4931         (Parameters::incremental_update): New function.
4932         (set_parameters_incremental_full): New function.
4933         * parameters.h (Parameters::set_incremental_full): New function.
4934         (Parameters::incremental): New function.
4935         (Parameters::incremental_update): New function.
4936         (Parameters::incremental_mode_): New data member.
4937         (set_parameters_incremental_full): New function.
4938         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4939         incremental link mode.
4940         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4941         (Sized_relobj::do_relocate_sections): Likewise.
4942         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4943         option.
4944         * testsuite/Makefile.in: Regenerate.
4945         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4946
4947 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4948
4949         * script-sections.h (class Script_sections): Make
4950         Sections_elements typedef public.
4951         * script-sections.cc (class Sort_output_sections): Add elements_
4952         field.  Add constructor which sets it; change all callers.
4953         (Sort_output_sections::is_before): New function.
4954         (Sort_output_sections::operator()): Call is_before.
4955         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4956         conditional.
4957         * testsuite/script_test_10.sh: New test. Test script section
4958         order.
4959         * testsuite/script_test_10.t: Likewise.
4960         * testsuite/script_test_10.s: Likewise.
4961         * testsuite/Makefile.am: Wrap the cross linker tests and the
4962         common tests into NATIVE_OR_CROSS_LINKER.
4963         (check_SCRIPTS): Add script_test_10.sh.
4964         (check_DATA): Add script_test_10.stdout.
4965         (script_test_10.o, script_test_10): New targets.
4966         (script_test_10.stdout): New target.
4967         * configure, testsuite/Makefile.in: Regenerate.
4968
4969 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4970
4971         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4972         error for the deprecated relocations.
4973         (Target_arm::Scan::global): Likewise.
4974         (Target_arm::Relocate::relocate): Likewise.
4975
4976 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4977
4978         * fileread.cc (Input_file::find_file): Initialize *found_name
4979         and *namep when using the fallback search for case 4.
4980
4981 2010-10-11  Cary Coutant  <ccoutant@google.com>
4982
4983         * options.h (class General_options): Redefine -z lazy as an alias for
4984         the negation of -z now.
4985
4986 2010-10-11  Ian Lance Taylor  <iant@google.com>
4987
4988         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4989         binding.
4990
4991 2010-10-06  Nick Clifton  <nickc@redhat.com>
4992
4993         * script-sections.cc(class Memory_region): Remove
4994         current_lma_offset_ field.  Rename current_vma_offset_ to
4995         current_offset_.  Add last_section_ field.
4996         (Memory_region::get_current_vma_address): Rename to
4997         get_current_address.
4998         (Memory_region::get_current_lma_address): Delete.
4999         (Memory_region::increment_vma_offset): Rename to
5000         increment_offset.
5001         (Memory_region::increment_lma_offset): Delete.
5002         (Memory_region::attributes_compatible): New method.  Returns
5003         true if the provided section is compatible with the region.
5004         (Memory_region::get_last_section): New method.  Returns the last
5005         section to use the region.
5006         (Memory_region::set_last_section): New method.  Stores the last
5007         section to use the region.
5008         (Script_sections::block_in_region): New method.  Returns true if
5009         a block of memory is contained within a region.
5010         (Script_sections::find_memory_region): New method.  Locates a
5011         memory region to be used to set a VMA or LMA address.
5012         (Output_section_definition::set_section_addresses): Add code to
5013         check for addresses set by memory regions.
5014         (Output_segment::set_section_addresses): Remove memory region
5015         walking code.
5016         (Script_sections::create_segment): Add a warning if a header
5017         segment is created outside of any region.
5018         * script-sections.h (class Script_sections): Add prototypes for
5019         find_memory_region and block_in_region methods.
5020         * testsuite/memory_test.s: Use .long instead of .word.
5021         * testsuite/memory_test.t: Add some more output sections.
5022         * testsuite/memory_test.sh: Update expected output.
5023
5024 2010-10-02  Doug Kwan  <dougkwan@google.com>
5025
5026         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5027         defintion to symtab.h
5028         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5029         declaration to defintion.
5030
5031 2010-10-01  Nick Clifton  <nickc@redhat.com>
5032
5033         * expression.cc (eval): Replace dummy argument with NULL.
5034         (eval_maybe_dot): Check for a NULL result section pointer.
5035         (Symbol_expression::value): Likewise.
5036         (Dot_expression::value): Likewise.
5037         (BINARY_EXPRESSION): Likewise.
5038         (Max_expression::value): Likewise.
5039         (Min_expression::value): Likewise.
5040         (Absolute_expression::value): Likewise.
5041         (Addr_expression::value_from_output_section): Likewise.
5042         (Loaddddr_expression::value_from_output_section): Likewise.
5043         (Segment_start_expression::value): Likewise.
5044         * script-sections.cc
5045         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5046         argument with NULL.
5047         (Sections_elememt_dot_assignment::set_section_addresses):
5048         Likewise.
5049         (Output_data_expression::do_write_to_buffer): Likewise.
5050         (Output_section_definition::finalize_symbols): Likewise.
5051         (Output_section_definition::set_section_addresses): Likewise.
5052
5053 2010-09-30  Doug Kwan  <dougkwan@google.com>
5054
5055         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5056
5057 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5058
5059         * target.h (Target::can_icf_inline_merge_sections): New virtual
5060         function.
5061         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5062         virtual function.
5063         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5064         virtual function.
5065         * icf.cc (get_section_contents): Inline merge sections only when
5066         target allows it.
5067
5068 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5069
5070         * configure: Regenerate.
5071
5072 2010-09-17  Ian Lance Taylor  <iant@google.com>
5073
5074         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5075         * testsuite/Makefile.am (memory_test.o): New target.
5076         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5077         memory_test.t.
5078         * testsuite/Makefile.in: Rebuild.
5079
5080 2010-09-17  Doug Kwan  <dougkwan@google.com>
5081
5082         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5083         defintion if relocation uses GOT entries of the symbol.
5084         * testsuite/icf_safe_test.sh: Fix test.
5085         * testsuite/icf_safe_so_test.sh: Fix test.
5086
5087 2010-09-16  Cary Coutant  <ccoutant@google.com>
5088
5089         * script_sections.cc (class Memory_region): Remove "NULL" from
5090         vector initializations.
5091
5092 2010-09-15  Cary Coutant  <ccoutant@google.com>
5093
5094         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5095         Resolve forwarding symbols.
5096
5097 2010-09-15  Doug Kwan  <dougkwan@google.com>
5098
5099         * gold/testsuite/script_test_3.t: Add ARM special sections.
5100         * gold/testsuite/script_test_4.t: Same.
5101         * gold/testsuite/script_test_5.t: Same.
5102         * gold/testsuite/script_test_6.t: Same.
5103         * gold/testsuite/script_test_7.t: Same.
5104         * gold/testsuite/script_test_7.t: Same.
5105         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5106
5107 2010-09-14  Cary Coutant  <ccoutant@google.com>
5108
5109         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5110         (Target_x86_64::Relocate::relocate_tls): Replace check for
5111         saw_tls_block_reloc_ with test for executable section.
5112
5113 2010-09-12  Cary Coutant  <ccoutant@google.com>
5114
5115         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5116         position-independent executables to shared libraries need dynamic
5117         relocations.
5118         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5119         position-independent executables.
5120         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5121         * testsuite/Makefile.in: Regenerate.
5122
5123 2010-09-10  Nick Clifton  <nickc@redhat.com>
5124
5125         PR gold/11997
5126         * testsuite/memory_test.t: Discard any sections that are not
5127         needed.
5128
5129 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5130
5131         PR gold/11996
5132         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5133         "This::" to work around a bug in gcc 4.2.
5134
5135         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5136
5137 2010-09-09  Rafael Espindola  <espindola@google.com>
5138
5139         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5140         sections with different PF_X flags in the same segment.
5141         (Layout::find_first_load_seg): Search all segments to find the first
5142         one.
5143         * options.h (rosegment): New.
5144
5145 2010-09-08  Rafael Espindola  <espindola@google.com>
5146
5147         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5148
5149 2010-09-08  Doug Kwan  <dougkwan@google.com>
5150
5151         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5152         (Arm_relobj::do_relocate_sections): Add new parameter for output
5153         file to match the parent.
5154         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5155         of local symbols instead of input values.  Update code to track
5156         changes in gold::relocate_section.
5157         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5158         (Sized_relobj::compute_final_local_value_internal): New methods.
5159         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5160         body into private version of Sized_relobj::compute_final_local_value.
5161         Call the inline method.
5162         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5163         merged symbol value if there is one.
5164         (Symbol_value::has_output_value): New method defintiion.
5165         (Sized_relobj::Compute_final_local_value_status): New enum type.
5166         (Sized_relobj::compute_final_local_value): New methods.
5167         (Sized_relobj::compute_final_local_value_internal): New methods.
5168         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5169         and arm_cortex_a8.sh.
5170         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5171         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5172         New tests.
5173         * Makefile.in: Regenerate.
5174         * testsuite/arm_bl_out_of_range.s: Update test.
5175         * testsuite/thumb_bl_out_of_range.s: Ditto.
5176         * testsuite/thumb_blx_out_of_range.s: Ditto.
5177         * testsuite/arm_branch_out_of_range.sh: New file.
5178         * testsuite/arm_cortex_a8.sh: Ditto.
5179         * testsuite/arm_cortex_a8_b.s: Ditto.
5180         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5181         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5182         * testsuite/arm_cortex_a8_bl.s: Ditto.
5183         * testsuite/arm_cortex_a8_blx.s: Ditto.
5184         * testsuite/arm_cortex_a8_local.s: Ditto.
5185         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5186         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5187
5188 2010-09-08  Rafael Espindola  <espindola@google.com>
5189
5190         * Makefile.am (memory_test.stdout): Run readelf with -W.
5191         * Makefile.in: Regenerate.
5192         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5193         64 bit output.
5194
5195 2010-09-08  Rafael Espindola  <espindola@google.com>
5196
5197         * script-sections.cc (Script_sections::add_memory_region): Convert
5198         field precision to int.
5199         * script.cc (script_set_section_region, script_set_section_region):
5200         Convert field precision to int.
5201
5202 2010-09-08  Rafael Espindola  <espindola@google.com>
5203
5204         * arm.cc (do_finalize_sections): Create the __exidx_start and
5205         __exdix_end symbols even when the section is missing.
5206
5207 2010-09-08  Nick Clifton  <nickc@redhat.com>
5208
5209         * README: Remove claim that MEMORY is not supported.
5210         * expression.cc (script_exp_function_origin)
5211         (script_exp_function_length): Move from here to ...
5212         * script.cc: ... here.
5213         (script_set_section_region, script_add_memory)
5214         (script_parse_memory_attr, script_include_directive): New
5215         functions.
5216         * script-sections.cc
5217         (class Memory_region): New class.
5218         (class Output_section_definition): Add set_memory_region,
5219         set_section_vma, set_section_lma and get_section_name methods.
5220         (class Script_Sections): Add add_memory_region,
5221         find_memory_region, find_memory_region_origin,
5222         find_memory_region_length and set_memory_region methods.
5223         Have set_section_addresses method walk the list of set memory
5224         regions.
5225         Extend the print methos to display memory regions.
5226         * script-sections.h: Add prototypes for new methods.
5227         Add enum for MEMORY region attributes.
5228         * yyscript.y: Add support for parsing MEMORY regions.
5229         * script-c.h: Add prototypes for new functions.
5230         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5231         * testsuite/Makefile.in: Regenerate.
5232         * testsuite/memory_test.sh: New script.
5233         * testsuite/memory_test.s: New assembler source file.
5234         * testsuite/memory_test.t: New linker script.
5235
5236 2010-08-27  Doug Kwan  <dougkwan@google.com>
5237
5238         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5239         reference override an existing dynamic weak reference.
5240         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5241         * testsuite/Makefile.in: Regenerate.
5242         * testsuite/dyn_weak_ref.sh: New file.
5243         * testsuite/dyn_weak_ref_1.c: Ditto.
5244         * testsuite/dyn_weak_ref_2.c: Ditto.
5245
5246 2010-08-27  Ian Lance Taylor  <iant@google.com>
5247
5248         * incremental.h (class Incremental_input_entry): Add virtual
5249         destructor.
5250
5251 2010-08-27  Ian Lance Taylor  <iant@google.com>
5252
5253         * testsuite/start_lib_test_3.c: Mark t3 as used.
5254
5255 2010-08-27  Nick Clifton  <nickc@redhat.com>
5256
5257         * options.cc (version_script): Fix small typo in previous
5258         whitespace tidyup.
5259
5260 2010-08-25  Nick Clifton  <nickc@redhat.com>
5261
5262         * archive.cc: Formatting fixes: Remove whitespace between
5263         typename and following asterisk.  Remove whitespace between
5264         function name and opening parenthesis.
5265         * archive.h: Likewise.
5266         * arm.cc: Likewise.
5267         * attributes.cc: Likewise.
5268         * attributes.h: Likewise.
5269         * common.cc: Likewise.
5270         * copy-relocs.cc: Likewise.
5271         * dirsearch.h: Likewise.
5272         * dynobj.cc: Likewise.
5273         * ehframe.cc: Likewise.
5274         * ehframe.h: Likewise.
5275         * expression.cc: Likewise.
5276         * fileread.cc: Likewise.
5277         * fileread.h: Likewise.
5278         * gc.h: Likewise.
5279         * gold-threads.cc: Likewise.
5280         * gold.cc: Likewise.
5281         * i386.cc: Likewise.
5282         * icf.h: Likewise.
5283         * incremental-dump.cc: Likewise.
5284         * incremental.cc: Likewise.
5285         * layout.cc: Likewise.
5286         * layout.h: Likewise.
5287         * main.cc: Likewise.
5288         * merge.cc: Likewise.
5289         * merge.h: Likewise.
5290         * object.cc: Likewise.
5291         * object.h: Likewise.
5292         * options.cc: Likewise.
5293         * options.h: Likewise.
5294         * output.cc: Likewise.
5295         * output.h: Likewise.
5296         * plugin.cc: Likewise.
5297         * plugin.h: Likewise.
5298         * powerpc.cc: Likewise.
5299         * reloc.cc: Likewise.
5300         * script-c.h: Likewise.
5301         * script-sections.cc: Likewise.
5302         * script.cc: Likewise.
5303         * stringpool.cc: Likewise.
5304         * symtab.cc: Likewise.
5305         * symtab.h: Likewise.
5306         * target.cc: Likewise.
5307         * timer.cc: Likewise.
5308         * timer.h: Likewise.
5309         * version.cc: Likewise.
5310         * x86_64.cc: Likewise.
5311
5312 2010-08-24  Nick Clifton  <nickc@redhat.com>
5313
5314         PR 11899
5315         * layout.cc (segment_precedes): Sort segments by their physical
5316         addresses, if they have been set.
5317
5318 2010-08-23  Cary Coutant  <ccoutant@google.com>
5319
5320         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5321         symbols data.
5322         (Lib_group::include_member): Unlock object after deleting its
5323         symbols data.
5324         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5325         the bug fixed here.
5326
5327 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5328             Cary Coutant  <ccoutant@google.com>
5329
5330         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5331         constructor, and set_blocker.
5332         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5333         readsyms_blocker_.
5334         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5335         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5336         * testsuite/Makefile.am (start_lib_test): New test case.
5337         * testsuite/Makefile.in: Regenerate.
5338         * testsuite/start_lib_test_main.c: New file.
5339         * testsuite/start_lib_test_1.c: New file.
5340         * testsuite/start_lib_test_2.c: New file.
5341         * testsuite/start_lib_test_3.c: New file.
5342
5343 2010-08-19  Ian Lance Taylor  <iant@google.com>
5344
5345         * Makefile.in: Rebuild with automake 1.11.1.
5346         * aclocal.m4: Likewise.
5347         * testsuite/Makefile.in: Likewise.
5348
5349 2010-08-19  Ian Lance Taylor  <iant@google.com>
5350
5351         PR 10893
5352         * i386.cc (class Output_data_plt_i386): Update declarations.
5353         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5354         local_ifuncs_ fields.
5355         (Target_i386::do_plt_section_for_global): New function.
5356         (Target_i386::do_plt_section_for_local): New function.
5357         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5358         parameter; change all callers.  Initialize global_ifuncs_ and
5359         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5360         __rel_iplt_end.
5361         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5362         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5363         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5364         symbols.
5365         (Target_i386::make_plt_section): New function, broken out of
5366         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5367         (Target_i386::make_plt_entry): Call make_plt_section.
5368         (Target_i386::make_local_ifunc_plt_entry): New function.
5369         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5370         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5371         R_386_IRELATIVE to switch.
5372         (Target_i386::Scan::global): Likewise.
5373         (Target_i386::Relocate::relocate): Likewise.
5374         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5375         switch.
5376         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5377         (Target_x86_64::do_plt_section_for_global): New function.
5378         (Target_x86_64::do_plt_section_for_local): New function.
5379         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5380         parameter; change all callers.  If doing a static link define
5381         __rela_iplt_start and __rela_iplt_end.
5382         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5383         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5384         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5385         to point to .plt.
5386         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5387         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5388         switch.
5389         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5390         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5391         R_X86_64_IRELATIVE to switch.
5392         (Target_x86_64::Scan::global): Likewise.
5393         (Target_x86_64::Relocate::relocate): Likewise.
5394         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5395         switch.
5396         * target.h (class Target): Add plt_section_for_global and
5397         plt_section_for_local functions.  Add do_plt_section_for_global
5398         and do_plt_section_for_local virtual functions.
5399         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5400         clarifying comments.
5401         (Symbol::use_plt_offset): Handle IFUNC symbol.
5402         * object.cc (Sized_relobj::Sized_relobj): Initialize
5403         local_plt_offsets_.
5404         (Sized_relobj::local_has_plt_offset): New function.
5405         (Sized_relobj::local_plt_offset): New function.
5406         (Sized_relobj::set_local_plt_offset): New function.
5407         (Sized_relobj::do_count): Handle IFUNC symbol.
5408         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5409         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5410         is_ifunc_symbol functions.
5411         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5412         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5413         local_plt_offsets_ field.
5414         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5415         * output.h (class Output_section_data): Add non-const
5416         output_section function.
5417         (class Output_data_got): Update declarations.
5418         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5419         Add use_plt_offset parameter to global and local constructors.
5420         Change all callers.  Change local_sym_index_ field to 31 bits.
5421         Change GSYM_CODE and CONSTANT_CODE accordingly.
5422         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5423         doing a static link don't set sh_link field.
5424         (Output_data_got::Got_entry::write): Use PLT offset if
5425         appropriate.
5426         (Output_data_got::add_global_plt): New function.
5427         (Output_data_got::add_local_plt): New function.
5428         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5429         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5430         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5431         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5432         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5433         IFUNC conditional.
5434         * testsuite/ifunc-sel.h: New file.
5435         * testsuite/ifuncmain1.c: New file.
5436         * testsuite/ifuncmain1vis.c: New file.
5437         * testsuite/ifuncmod1.c: New file.
5438         * testsuite/ifuncdep2.c: New file.
5439         * testsuite/ifuncmain2.c: New file.
5440         * testsuite/ifuncmain3.c: New file.
5441         * testsuite/ifuncmod3.c: New file.
5442         * testsuite/ifuncmain4.c: New file.
5443         * testsuite/ifuncmain5.c: New file.
5444         * testsuite/ifuncmod5.c: New file.
5445         * testsuite/ifuncmain6pie.c: New file.
5446         * testsuite/ifuncmod6.c: New file.
5447         * testsuite/ifuncmain7.c: New file.
5448         * configure, testsuite/Makefile.in: Rebuild.
5449
5450 2010-08-18  Ian Lance Taylor  <iant@google.com>
5451
5452         * incremental.cc
5453         (Output_section_incremental_inputs::write_input_files): Add cast
5454         to avoid signed/unsigned comparison warning.
5455         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5456
5457 2010-08-12  Cary Coutant  <ccoutant@google.com>
5458
5459         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5460
5461 2010-08-13  Ian Lance Taylor  <iant@google.com>
5462
5463         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5464
5465 2010-08-12  Cary Coutant  <ccoutant@google.com>
5466             Doug Kwan  <dougkwan@google.com>
5467
5468         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5469         defintion overrides non-weak undef, remember that the original undef
5470         is not weak.
5471         * symtab.cc (Symbol_table::sized_write_global): For undef without
5472         an original weak binding, set binding to global in output.
5473         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5474         * testsuite/Makefile.in: Regenerate.
5475         * testsuite/strong_ref_weak_def.sh: New file.
5476         * testsuite/strong_ref_weak_def_1.c: Ditto.
5477         * testsuite/strong_ref_weak_def_2.c: Ditto.
5478
5479 2010-08-12  Cary Coutant  <ccoutant@google.com>
5480
5481         * testsuite/incremental_test.sh: Rewrite.
5482         * testsuite/incremental_test_1.c: Rewrite.
5483         * testsuite/incremental_test_2.c: Rewrite.
5484
5485 2010-08-12  Cary Coutant  <ccoutant@google.com>
5486
5487         * arm.cc (Target_arm::got_size): Add const.
5488         (Target_arm::got_entry_count): New function.
5489         (Target_arm::plt_entry_count): New function.
5490         (Target_arm::first_plt_entry_offset): New function.
5491         (Target_arm::plt_entry_size): New function.
5492         (Output_data_plt_arm::entry_count): New function.
5493         (Output_data_plt_arm::first_plt_entry_offset): New function.
5494         (Output_data_plt_arm::get_plt_entry_size): New function.
5495         * i386.cc (Target_i386::got_size): Add const.
5496         (Target_i386::got_entry_count): New function.
5497         (Target_i386::plt_entry_count): New function.
5498         (Target_i386::first_plt_entry_offset): New function.
5499         (Target_i386::plt_entry_size): New function.
5500         (Output_data_plt_i386::entry_count): New function.
5501         (Output_data_plt_i386::first_plt_entry_offset): New function.
5502         (Output_data_plt_i386::get_plt_entry_size): New function.
5503         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5504         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5505         * incremental.cc: Include target.h.
5506         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5507         parameter.  Adjust all callers.  Find incremental_got_plt section.
5508         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5509         section.
5510         (Output_section_incremental_inputs::set_final_data_size): Calculate
5511         size of incremental_got_plt section.
5512         (Output_section_incremental_inputs::do_write): Write the
5513         incremental_got_plt section.
5514         (Got_plt_view_info): New struct.
5515         (Local_got_offset_visitor): New class.
5516         (Global_got_offset_visitor): New class.
5517         (Global_symbol_visitor_got_plt): New class.
5518         (Output_section_incremental_inputs::write_got_plt): New function.
5519         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5520         Add parameter.  Adjust all callers.
5521         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5522         (Incremental_inputs::got_plt_section): New function.
5523         (Incremental_inputs::got_plt_section_): New data member.
5524         (Incremental_got_plt_reader): New class.
5525         * layout.cc (Layout::create_incremental_info_sections): Add the
5526         incremental_got_plt section.
5527         * object.h (Got_offset_list::get_list): New function.
5528         (Got offset_list::for_all_got_offsets): New function.
5529         (Sized_relobj::local_got_offset_list): New function.
5530         * powerpc.cc (Target_powerpc::got_size): Add const.
5531         (Target_powerpc::got_entry_count): New function.
5532         (Target_powerpc::plt_entry_count): New function.
5533         (Target_powerpc::first_plt_entry_offset): New function.
5534         (Target_powerpc::plt_entry_size): New function.
5535         (Output_data_plt_powerpc::entry_count): New function.
5536         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5537         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5538         * sparc.cc (Target_sparc::got_size): Add const.
5539         (Target_sparc::got_entry_count): New function.
5540         (Target_sparc::plt_entry_count): New function.
5541         (Target_sparc::first_plt_entry_offset): New function.
5542         (Target_sparc::plt_entry_size): New function.
5543         (Output_data_plt_sparc::entry_count): New function.
5544         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5545         (Output_data_plt_sparc::get_plt_entry_size): New function.
5546         * symtab.h (Symbol::got_offset_list): New function.
5547         (Symbol_table::for_all_symbols): New function.
5548         * target.h (Sized_target::got_entry_count): New function.
5549         (Sized_target::plt_entry_count): New function.
5550         (Sized_target::plt_entry_size): New function.
5551         * x86_64.cc (Target_x86_64::got_size): Add const.
5552         (Target_x86_64::got_entry_count): New function.
5553         (Target_x86_64::plt_entry_count): New function.
5554         (Target_x86_64::first_plt_entry_offset): New function.
5555         (Target_x86_64::plt_entry_size): New function.
5556         (Output_data_plt_x86_64::entry_count): New function.
5557         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5558         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5559
5560 2010-08-12  Cary Coutant  <ccoutant@google.com>
5561
5562         * archive.cc: Include incremental.h.
5563         (Archive::Archive): Initialize incremental_info_.
5564         (Archive::include_member): Record archive members in incremental info.
5565         (Add_archive_symbols::run): Record begin and end of an archive in
5566         incremental info.
5567         (Lib_group::include_member): Record objects in incremental info.
5568         * archive.h (Incremental_archive_entry): Forward declaration.
5569         (Archive::set_incremental_info): New member function.
5570         (Archive::incremental_info): New member function.
5571         (Archive::Unused_symbol_iterator): New class.
5572         (Archive::unused_symbols_begin): New member function.
5573         (Archive::unused_symbols_end): New member function.
5574         (Archive::incremental_info_): New data member.
5575         * incremental-dump.cc (find_input_containing_global): New function.
5576         (dump_incremental_inputs): Dump new incremental info sections.
5577         * incremental.cc: Include symtab.h.
5578         (Output_section_incremental_inputs): New class.
5579         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5580         new incremental info sections.
5581         (Sized_incremental_binary::do_check_inputs): Likewise.
5582         (Incremental_inputs::report_archive): Remove.
5583         (Incremental_inputs::report_archive_begin): New function.
5584         (Incremental_inputs::report_archive_end): New function.
5585         (Incremental_inputs::report_object): New function.
5586         (Incremental_inputs::finalize_inputs): Remove.
5587         (Incremental_inputs::report_input_section): New function.
5588         (Incremental_inputs::report_script): Rewrite.
5589         (Incremental_inputs::finalize): Do nothing but finalize string table.
5590         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5591         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5592         (Incremental_inputs::create_data_sections): New function.
5593         (Incremental_inputs::relocs_entsize): New function.
5594         (Output_section_incremental_inputs::set_final_data_size): New function.
5595         (Output_section_incremental_inputs::do_write): New function.
5596         (Output_section_incremental_inputs::write_header): New function.
5597         (Output_section_incremental_inputs::write_input_files): New function.
5598         (Output_section_incremental_inputs::write_info_blocks): New function.
5599         (Output_section_incremental_inputs::write_symtab): New function.
5600         * incremental.h (Incremental_script_entry): Forward declaration.
5601         (Incremental_object_entry): Forward declaration.
5602         (Incremental_archive_entry): Forward declaration.
5603         (Incremental_inputs): Forward declaration.
5604         (Incremental_inputs_header_data): Remove.
5605         (Incremental_inputs_header): Remove.
5606         (Incremental_inputs_header_write): Remove.
5607         (Incremental_inputs_entry_data): Remove.
5608         (Incremental_inputs_entry): Remove.
5609         (Incremental_inputs_entry_write): Remove.
5610         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5611         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5612         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5613         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5614         Likewise.
5615         (Incremental_input_entry): New class.
5616         (Incremental_script_entry): New class.
5617         (Incremental_object_entry): New class.
5618         (Incremental_archive_entry): New class.
5619         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5620         (Incremental_inputs::report_inputs): Remove.
5621         (Incremental_inputs::report_archive): Remove.
5622         (Incremental_inputs::report_archive_begin): New function.
5623         (Incremental_inputs::report_archive_end): New function.
5624         (Incremental_inputs::report_object): Change prototype.
5625         (Incremental_inputs::report_input_section): New function.
5626         (Incremental_inputs::report_script): Change prototype.
5627         (Incremental_inputs::get_reloc_count): New function.
5628         (Incremental_inputs::set_reloc_count): New function.
5629         (Incremental_inputs::create_data_sections): New function.
5630         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5631         (Incremental_inputs::inputs_section): New function.
5632         (Incremental_inputs::symtab_section): New function.
5633         (Incremental_inputs::relocs_section): New function.
5634         (Incremental_inputs::get_stringpool): Add const.
5635         (Incremental_inputs::command_line): Add const.
5636         (Incremental_inputs::inputs): Remove.
5637         (Incremental_inputs::command_line_key): New function.
5638         (Incremental_inputs::input_file_count): New function.
5639         (Incremental_inputs::input_files): New function.
5640         (Incremental_inputs::relocs_entsize): New function.
5641         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5642         (Incremental_inputs::finalize_inputs): Remove.
5643         (Incremental_inputs::Input_info): Remove.
5644         (Incremental_inputs::lock_): Remove.
5645         (Incremental_inputs::inputs_): Change type.
5646         (Incremental_inputs::inputs_map_): Remove.
5647         (Incremental_inputs::current_object_entry_): New data member.
5648         (Incremental_inputs::inputs_section_): New data member.
5649         (Incremental_inputs::symtab_section_): New data member.
5650         (Incremental_inputs::relocs_section_): New data member.
5651         (Incremental_inputs::reloc_count_): New data member.
5652         (Incremental_inputs_reader): New class.
5653         (Incremental_symtab_reader): New class.
5654         (Incremental_relocs_reader): New class.
5655         * layout.cc (Layout::finalize): Move finalization of incremental info
5656         and creation of incremental info sections to follow finalization of
5657         symbol table.  Set offsets for postprocessing sections.
5658         (Layout::create_incremental_info_sections): Call
5659         Incremental_inputs::create_data_sections.  Add incremental symtab
5660         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5661         sections to layout after input sections.
5662         * layout.h (struct Timespec): Forward declaration.
5663         (Layout::incremental_inputs): Add const.
5664         (Layout::create_incremental_info_sections): Add parameter.
5665         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5666         * object.cc: Include incremental.h.
5667         (Relobj::finalize_incremental_relocs): New function.
5668         (Sized_relobj::do_layout): Record input sections in incremental info.
5669         * object.h (Object::output_section): New function.
5670         (Object::output_section_offset): Moved from Relobj.
5671         (Object::get_incremental_reloc_base): New function.
5672         (Object::get_incremental_reloc_count): New function.
5673         (Object::do_output_section): New function.
5674         (Object::do_output_section_offset): Moved from Relobj.
5675         (Object::do_get_incremental_reloc_base): New function.
5676         (Object::do_get_incremental_reloc_count): New function.
5677         (Object::Object): Initialize new data members.
5678         (Relobj::output_section): Renamed do_output_section and moved to
5679         protected.
5680         (Relobj::output_section_offset): Moved to Object.
5681         (Relobj::do_get_incremental_reloc_base): New function.
5682         (Relobj::do_get_incremental_reloc_count): New function.
5683         (Relobj::allocate_incremental_reloc_counts): New function.
5684         (Relobj::count_incremental_reloc): New function.
5685         (Relobj::finalize_incremental_relocs): New function.
5686         (Relobj::next_incremental_reloc_index): New function.
5687         (Relobj::reloc_counts_): New data member.
5688         (Relobj::reloc_bases_): New data member.
5689         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5690         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5691         (Sized_relobj::incremental_relocs_scan): New function.
5692         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5693         (Sized_relobj::incremental_relocs_write): New function.
5694         (Sized_relobj::incremental_relocs_write_reltype): New function.
5695         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5696         incremental link.
5697         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5698         archives and object files elsewhere.
5699         (Add_symbols::run): Report object files here.
5700         (Finish_group::run): Report end of archive at end of group.
5701         * reloc.cc: Include layout.h, incremental.h.
5702         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5703         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5704         (Sized_relobj::incremental_relocs_scan): New function.
5705         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5706         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5707         (Sized_relobj::incremental_relocs_write): New function.
5708         (Sized_relobj::incremental_relocs_write_reltype): New function.
5709         * script.cc (read_input_script): Rewrite test for incremental link.
5710         Change call to Incremental_inputs::report_script.
5711         * symtab.h (Symbol_table::first_global_index): New function.
5712         (Symbol_table::output_count): New function.
5713
5714 2010-08-12  Doug Kwan  <dougkwan@google.com>
5715
5716         * arm.cc (Target_arm::merge_object_attributes): Check command line
5717         options --no-wchar-size-warning and --no-enum-size-warning.
5718         * options.h (General_options): Add ld-compatible options
5719         --no-enum-size-warning and --no-wchar-size-warning.
5720
5721 2010-08-04  Ian Lance Taylor  <iant@google.com>
5722
5723         * x86_64.cc (Target_x86_64::Scan::local): Use
5724         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5725         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5726         (Target_x86_64::Scan::global): Likewise.
5727         (Target_x86_64::Relocate::relocate): Likewise.
5728         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5729         Likewise.
5730
5731 2010-08-03  Cary Coutant  <ccoutant@google.com>
5732
5733         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5734         to reserve space in merged_strings vector. Keep total input size
5735         for stats.
5736         (Output_merge_string::do_print_merge_stats): Print total input size.
5737         * merge.h (Output_merge_string): Add input_size_ field.
5738         * stringpool.cc (Stringpool_template::string_length): Move
5739         implementations out of Stringpool_template class and place in
5740         stringpool.h.
5741         * stringpool.h (string_length): Move out of Stringpool_template.
5742
5743 2010-08-03  Ian Lance Taylor  <iant@google.com>
5744
5745         PR 11712
5746         * layout.cc (relaxation_loop_body): If address of load segment is
5747         set, adjust address to include headers if possible.
5748
5749 2010-08-03  Ian Lance Taylor  <iant@google.com>
5750
5751         * version.cc (version_string): Bump to 1.10.
5752
5753 2010-08-03  Ian Lance Taylor  <iant@google.com>
5754
5755         PR 11805
5756         * layout.h (enum Output_section_order): Define.
5757         (class Layout): Update declarations.
5758         * layout.cc (Layout::get_output_section): Add order parameter.
5759         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5760         is_first_non_relro parameters.  Change all callers.
5761         (Layout::choose_output_section): Likewise.
5762         (Layout::add_output_section_data): Likewise.
5763         (Layout::make_output_section): Likewise.  Set order.
5764         (Layout::default_section_order): New function.
5765         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5766         * output.cc (Output_section::Output_section): Initialize order_.
5767         Don't initialize deleted fields.
5768         (Output_segment::Output_segment): Don't initialize deleted
5769         fields.
5770         (Output_segment::add_output_section_to_load): New function
5771         replacing add_output_section.  Change all callers to call this or
5772         add_output_section_to_nonload.
5773         (Output_segment::add_output_section_to_nonload): New function.
5774         (Output_segment::remove_output_section): Rewrite.
5775         (Output_segment::add_initial_output_data): Likewise.
5776         (Output_segment::has_any_data_sections): Likewise.
5777         (Output_segment::is_first_section_relro): Likewise.
5778         (Output_segment::maximum_alignment): Likewise.
5779         (Output_segment::has_dynamic_reloc): New function replacing
5780         dynamic_reloc_count.  Change all callers.
5781         (Output_segment::has_dynamic_reloc_list): New function replacing
5782         dynamic_reloc_count_list.  Change all callers.
5783         (Output_segment::set_section_addresses): Rewrite.
5784         (Output_segment::set_offset): Rewrite.
5785         (Output_segment::find_first_and_last_list): Remove.
5786         (Output_segment::set_tls_offsets): Rewrite.
5787         (Output_segment::first_section_load_address): Likewise.
5788         (Output_segment::output_section_count): Likewise.
5789         (Output_segment::section_with_lowest_load_address): Likewise.
5790         (Output_segment::write_section_headers): Likewise.
5791         (Output_segment::print_sections_to_map): Likewise.
5792         * output.h (class Output_data): Remove dynamic_reloc_count_
5793         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5794         (Output_data::add_dynamic_reloc): Rewrite.
5795         (Output_data::has_dynamic_reloc): New function.
5796         (Output_data::dynamic_reloc_count): Remove.
5797         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5798         is_last_relro_, is_first_non_relro_, is_interp_,
5799         is_dynamic_linker_section_ fields.  Add order and set_order
5800         functions.  Remove is_relro_local, set_is_relro_local,
5801         is_last_relro, set_is_last_relro, is_first_non_relro,
5802         set_is_first_non_relro functions, is_interp, set_is_interp,
5803         is_dynamic_linker_section, and set_is_dynamic_linker_section
5804         functions.
5805         (class Output_segment): Change Output_data_list from std::list to
5806         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5807         output_bss_ fields.  Update declarations.
5808
5809 2010-08-02  Ian Lance Taylor  <iant@google.com>
5810
5811         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5812         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5813         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5814
5815 2010-08-02  Ian Lance Taylor  <iant@google.com>
5816
5817         PR 11855
5818         * script.cc (Script_options::Script_options): Initialize
5819         symbol_definitions_ and symbol_references_.
5820         (Script_options::add_symbol_assignment): Update
5821         symbol_definitions_ and symbol_references_.
5822         (Script_options::add_symbol_reference): New function.
5823         (script_symbol): New function.
5824         * script.h (class Script_options): Add symbol_definitions_ and
5825         symbol_references_ fields.
5826         (Script_options::referenced_const_iterator): New type.
5827         (Script_options::referenced_begin): New function.
5828         (Script_options::referenced_end): New function.
5829         (Script_options::is_referenced): New function.
5830         (Script_options::any_unreferenced): New function.
5831         * script-c.h (script_symbol): Declare.
5832         * yyscript.y (exp): Call script_symbol.
5833         * symtab.cc: Include "script.h".
5834         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5835         Change all callers.  Check symbols referenced by scripts.
5836         (Symbol_table::add_undefined_symbols_from_command_line): Add
5837         layout parameter.  Change all callers.
5838         (Symbol_table::do_add_undefined_symbols_from_command_line):
5839         Likewise.  Break out loop body.  Check symbols referenced by
5840         scripts.
5841         (Symbol_table::add_undefined_symbol_from_command_line): New
5842         function broken out of
5843         do_add_undefined_symbols_from_command_line.
5844         * symtab.h (class Symbol_table): Update declarations.
5845         * archive.cc: Include "layout.h".
5846         (Archive::should_include_member): Add layout parameter.  Change
5847         all callers.  Check for symbol mentioned in expression.
5848         * archive.h (class Archive): Update declaration.
5849         * object.cc (Sized_relobj::do_should_include_member): Add layout
5850         parameter.
5851         * object.h (Object::should_include_member): Add layout parameter.
5852         Change all callers.
5853         (Object::do_should_include_member): Add layout parameter.
5854         (class Sized_relobj): Update declaration.
5855         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5856         parameter.
5857         * dynobj.h (class Sized_dynobj): Update declaration.
5858         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5859         layout parameter.
5860         * plugin.h (class Sized_pluginobj): Update declaration.
5861
5862 2010-08-02  Ian Lance Taylor  <iant@google.com>
5863
5864         PR 11866
5865         * output.cc (Output_segment::set_offset): Search for the first and
5866         last sections rather than assuming that the list is in order.
5867         (Output_segment::find_first_and_last_list): New function.
5868         * output.h (class Output_segment): Update declarations.
5869         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5870         (relro_strip_test_SOURCES): New variable.
5871         (relro_strip_test_DEPENDENCIES): New variable.
5872         (relro_strip_test_LDFLAGS): New variable.
5873         (relro_strip_test_LDADD): New variable.
5874         (relro_strip_test.so): New target.
5875
5876 2010-08-02  Ian Lance Taylor  <iant@google.com>
5877
5878         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5879         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5880         (Target_i386::got_tlsdesc_section): New function.
5881         (Target_i386::got_section): Create space for GOT entries for
5882         TLSDESC relocations.
5883         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5884         R_386_TLS_GOTDESC.
5885         (Target_i386::Scan::global): Likewise.
5886         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5887         using TLSDESC GOT.
5888         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5889         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5890         (Target_x86_64::got_tlsdesc_section): New function.
5891         (Target_x86_64::got_section): Create space for GOT entries for
5892         TLSDESC relocations.
5893         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5894         R_386_TLS_GOTDESC.
5895         (Target_x86_64::Scan::global): Likewise.
5896         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5897         using TLSDESC GOT.
5898
5899 2010-08-02  Ian Lance Taylor  <iant@google.com>
5900
5901         * testsuite/final_layout.sh: Use dc to convert from hex to
5902         decimal.
5903
5904 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5905
5906         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5907         paramter to the call to gold::gc_process_relocs.
5908         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5909         paramter to the call to gold::gc_process_relocs.
5910         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5911         parameter to the call to gold::gc_process_relocs.
5912         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5913         template parameter to the call to gold::gc_process_relocs.
5914         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5915         paramter to the call to gold::gc_process_relocs.
5916         * gc.h (get_embedded_addend_size): New function.
5917         (gc_process_relocs): Save the size of the reloc for use by ICF.
5918         * icf.cc (get_section_contents): Get the addend from the text section
5919         for SHT_REL relocation sections.
5920         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5921         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5922         * int_encoding.h (read_from_pointer): New overloaded function.
5923         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5924         * testsuite/icf_sht_rel_addend_test.sh: New file.
5925         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5926         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5927
5928 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5929
5930         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5931         * Makefile.in: Regenerate.
5932         * testsuite/Makefile.in: Regenerate.
5933
5934 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5935
5936         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5937         * gold/testsuite/debug_msg.cc: Likewise.
5938         * gold/testsuite/odr_violation1.cc
5939         * gold/testsuite/odr_violation2.cc
5940
5941 2010-07-21  Cary Coutant  <ccoutant@google.com>
5942
5943         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5944         string, and length fields.
5945         (Output_merge_string::Merged_strings_list): New type.
5946         (Output_merge_string::Merged_strings_lists): New typedef.
5947         (Output_merge_string): Replace merged_strings_ with
5948         merged_strings_lists_.
5949         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5950         Merged_strings_list per input object and section.  Don't store pointer
5951         to the string.  Don't store length with each merged string entry.
5952         (Output_merge_string::finalize_merged_data): Loop over list of merged
5953         strings lists.  Recompute length of each merged string.
5954
5955 2010-07-15  Cary Coutant  <ccoutant@google.com>
5956
5957         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5958         here.
5959
5960 2010-07-14  Ian Lance Taylor  <iant@google.com>
5961
5962         * descriptors.cc (Descriptors::open): Report correct name in error
5963         message.
5964
5965 2010-07-13  Doug Kwan  <dougkwan@google.com>
5966
5967         * arm.cc (Arm_input_section::Arm_input_section): For a
5968         SHT_ARM_EXIDX section, always keeps the input sections.
5969         (Arm_input_section::set_exidx_section_link): New method.
5970         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5971         has_errors_ to false.
5972         (Arm_exidx_input_section::has_errors,
5973         Arm_exidx_input_section::set_has_errors): New methods.
5974         (Arm_exidx_input_section::has_errors_): New data member.
5975         (Arm_relobj::get_exidx_shndx_list): New method.
5976         (Arm_output_section::append_text_sections_to_list): Do not skip
5977         section without SHF_EXECINSTR.
5978         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5979         errors.
5980         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5981         section header.  Make error messages more verbose.  Check for
5982         a non-executable section linked to an EXIDX section.
5983         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5984         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5985         check that there is no deferred EXIDX section if we exit early.
5986         Instead of not making an EXIDX section in case of an error, make one
5987         and set the has_errors flag of it.
5988         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5989         in a relocatable link.
5990         (Target_arm::do_relax): Look for the EXIDX output section instead of
5991         assuming that it is called .ARM.exidx.
5992         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5993         section list.  Do not check for SHF_EXECINSTR section flags but
5994         skip any input section with errors.
5995         * output.cc (Output_section::Output_section): Initialize
5996         always_keeps_input_sections_ to false.
5997         (Output_section::add_input_section): Check for
5998         always_keeps_input_sections_.
5999         *  output.h (Output_section::always_keeps_input_sections,
6000         Output_section::set_always_keeps_input_sections): New methods.
6001         (Output_section::always_keeps_input_sections): New data member.
6002
6003 2010-07-13  Rafael Espindola  <espindola@google.com>
6004
6005         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6006         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6007
6008 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6009             Ian Lance Taylor  <iant@google.com>
6010
6011         * output.h (Output_section_lookup_maps::add_merge_section):
6012         Correct check of whether value was inserted.
6013         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6014         (Output_section_lookup_maps::add_relaxed_input_section):
6015         Likewise.
6016         * arm.cc (Target_arm::got_section): Remove used local os.
6017         * i386.cc (Target_i386::got_section): Likewise.
6018         * x86_64.cc (Target_x86_64::got_section): Likewise.
6019         * sparc.cc (Target_sparc::got_section): Likewise.
6020         (Target_sparc::relocate): Remove unused local have_got_offset.
6021         * powerpc.cc (Target_powerpc::relocate): Likewise.
6022
6023 2010-07-13  Ian Lance Taylor  <iant@google.com>
6024
6025         * compressed_output.cc (zlib_decompress): Fix signature in
6026         !HAVE_ZLIB_H case.
6027
6028         * archive.cc (Archive::include_member): Unlock an external member
6029         of a thin archive.  Don't bother to delete an object we know is
6030         NULL.
6031
6032 2010-07-12  Cary Coutant  <ccoutant@google.com>
6033
6034         * compressed_output.cc (zlib_decompress): New function.
6035         (get_uncompressed_size): New function.
6036         (decompress_input_section): New function.
6037         * compressed_output.h (get_uncompressed_size): New function.
6038         (decompress_input_section): New function.
6039         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6040         Handle compressed debug sections.
6041         * layout.cc (is_compressed_debug_section): New function.
6042         (Layout::output_section_name): Map compressed section names to
6043         canonical names.
6044         * layout.h (is_compressed_debug_section): New function.
6045         (is_debug_info_section): Recognize compressed debug sections.
6046         * merge.cc: Include compressed_output.h.
6047         (Output_merge_data::do_add_input_section): Handle compressed
6048         debug sections.
6049         (Output_merge_string::do_add_input_section): Handle compressed
6050         debug sections.
6051         * object.cc: Include compressed_output.h.
6052         (Sized_relobj::Sized_relobj): Initialize new data members.
6053         (build_compressed_section_map): New function.
6054         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6055         * object.h (Object::section_is_compressed): New method.
6056         (Object::do_section_is_compressed): New method.
6057         (Sized_relobj::Compressed_section_map): New type.
6058         (Sized_relobj::do_section_is_compressed): New method.
6059         (Sized_relobj::compressed_sections_): New data member.
6060         * output.cc (Output_section::add_input_section): Handle compressed
6061         debug sections.
6062         * reloc.cc: Include compressed_output.h.
6063         (Sized_relobj::write_sections): Handle compressed debug sections.
6064
6065 2010-07-08  Cary Coutant  <ccoutant@google.com>
6066
6067         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6068         weak when resolving to a dynamic def.
6069         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6070         for weak undef/dynamic def cases. Adjust callers.
6071         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6072         undef_binding_weak_.
6073         (Symbol_table::sized_write_globals): Adjust symbol binding.
6074         (Symbol_table::sized_write_symbol): Add binding parameter.
6075         * symtab.h (Symbol::set_undef_binding): New method.
6076         (Symbol::is_undef_binding_weak): New method.
6077         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6078         (Symbol_table::should_override): Add new parameter.
6079         (Symbol_table::sized_write_symbol): Add new parameter.
6080
6081         * testsuite/weak_undef_file1.cc: Add new test case.
6082         * testsuite/weak_undef_file2.cc: Fix header comment.
6083         * testsuite/weak_undef_test.cc: Add new test case.
6084
6085 2010-06-29  Doug Kwan  <dougkwan@google.com>
6086
6087         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6088         Initialize USE_SYMBOL_.
6089         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6090         definition.
6091         (Arm_reloc_property::uses_symbol_): New data member declaration.
6092         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6093         uses symbol value and symbol is undefined but not weakly undefined.
6094
6095 2010-06-28  Rafael Espindola  <espindola@google.com>
6096
6097         * plugin.cc (Plugin::load): Use dlerror.
6098
6099 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6100
6101         * symtab.cc (detect_odr_violations): When reporting an ODR
6102         violation, report an object where the symbol is defined.
6103
6104 2010-06-25  Doug Kwan  <dougkwan@google.com>
6105
6106         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6107         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6108         definition.
6109         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6110         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6111         target hook to detect function points.
6112         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6113         * icf.h (Icf::check_section_for_function_pointers): Change type of
6114         parameter SECTION_NAME to const reference to std::string.  Use
6115         target hook to determine if section may have unsafe pointers.
6116         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6117         method definition.
6118
6119 2010-06-21  Rafael Espindola  <espindola@google.com>
6120
6121         * fileread.cc (Input_file::find_fie): New
6122         (Input_file::open): Use Input_file::find_fie.
6123         * fileread.h (Input_file::find_fie): New
6124         * plugin.cc (set_extra_library_path): New.
6125         (Plugin::load): Add set_extra_library_path to the transfer vector.
6126         (Plugin_manager::set_extra_library_path): New.
6127         (Plugin_manager::add_input_file): Use the extra search path if set.
6128         (set_extra_library_path(): New.
6129         * plugin.h (Plugin_manager): Add set_extra_library_path and
6130         extra_search_path_.
6131
6132 2010-06-19  Cary Coutant  <ccoutant@google.com>
6133
6134         * layout.cc (gdb_sections): Add .debug_types.
6135         (lines_only_debug_sections): Likewise.
6136
6137 2010-06-18  Rafael Espindola  <espindola@google.com>
6138
6139         * plugin.cc (add_input_file,add_input_library)
6140         (Plugin_manager::add_input_file): Make filename arguments const.
6141         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6142         const.
6143
6144 2010-06-16  Doug Kwan  <dougkwan@google.com>
6145
6146         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6147         .ARM.attributes section if we have not merged any input
6148         attributes sections.
6149
6150 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6151
6152         * arm.cc: Allow combining objects with no EABI version
6153         information.
6154
6155 2010-06-15  Rafael Espindola  <espindola@google.com>
6156
6157         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6158
6159 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6160
6161         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6162         (struct iovec): Correct !HAVE_READV definition.
6163
6164 2010-06-10  Cary Coutant  <ccoutant@google.com>
6165
6166         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6167         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6168         reloc sections.
6169         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6170
6171         PR 11683
6172         * symtab.h (Symbol::is_placeholder): New member function.
6173         * target-reloc.h (relocate_section): Check for placeholder symbols.
6174
6175         * testsuite/Makefile.am (plugin_test_8): New test.
6176         (plugin_test_9): New test.
6177         * testsuite/Makefile.in: Regenerate.
6178
6179 2010-06-09  Nick Clifton  <nickc@redhat.com>
6180
6181         * yyscript.y (input_list_element): Allow strings prefixed with
6182         the '-' character.  Treat these as libraries.
6183         * script.cc (script_add_library): New function.  Adds a library
6184         specified by "-l<name>" found in an input script.
6185         * script-c.h: Add prototype for script_add_library.
6186
6187 2010-06-07  Doug Kwan  <dougkwan@google.com>
6188
6189         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6190         Restrict stub-group size to be within long conditional branch
6191         range when working around cortex-A8 erratum.
6192
6193 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6194
6195         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6196         #ifdef typo.
6197
6198 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6199
6200         PR gold/11658
6201         * output.cc
6202         (Output_section::Input_section_sort_entry::compare_section_ordering):
6203         Change to return non-zero correctly.
6204         (Output_section::Input_section_sort_section_order_index_compare
6205         ::operator()): Change to fix ambiguity in comparisons.
6206
6207 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6208
6209         * gold.h (is_wildcard_string): New function.
6210         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6211         (Layout::layout_eh_frame): Ditto.
6212         (Layout::find_section_order_index): New method.
6213         (Layout::read_layout_from_file): New method.
6214         * layout.h (Layout::find_section_order_index): New method.
6215         (Layout::read_layout_from_file): New method.
6216         (Layout::input_section_position_): New private member.
6217         (Layout::input_section_glob_): New private member.
6218         * main.cc (main): Call read_layout_from_file here.
6219         * options.h (--section-ordering-file): New option.
6220         * output.cc (Output_section::input_section_order_specified_): New
6221         member.
6222         (Output_section::Output_section): Initialize new member.
6223         (Output_section::add_input_section): Add new parameter.
6224         Keep input sections when --section-ordering-file is used.
6225         (Output_section::set_final_data_size): Sort input sections when
6226         section ordering file is specified.
6227         (Output_section::Input_section_sort_entry): Add new parameter.
6228         Check sorting type.
6229         (Output_section::Input_section_sort_entry::compare_section_ordering):
6230         New method.
6231         (Output_section::Input_section_sort_compare::operator()): Change to
6232         consider section_order_index.
6233         (Output_section::Input_section_sort_init_fini_compare::operator()):
6234         Change to consider section_order_index.
6235         (Output_section::Input_section_sort_section_order_index_compare
6236         ::operator()): New method.
6237         (Output_section::sort_attached_input_sections): Change to sort
6238         according to section order when specified.
6239         (Output_section::add_input_section<32, true>): Add new parameter.
6240         (Output_section::add_input_section<64, true>): Add new parameter.
6241         (Output_section::add_input_section<32, false>): Add new parameter.
6242         (Output_section::add_input_section<64, false>): Add new parameter.
6243         * output.h (Output_section::add_input_section): Add new parameter.
6244         (Output_section::input_section_order_specified): New
6245         method.
6246         (Output_section::set_input_section_order_specified): New method.
6247         (Input_section::Input_section): Initialize section_order_index_.
6248         (Input_section::section_order_index): New method.
6249         (Input_section::set_section_order_index): New method.
6250         (Input_section::section_order_index_): New member.
6251         (Input_section::Input_section_sort_section_order_index_compare): New
6252         struct.
6253         (Output_section::input_section_order_specified_): New member.
6254         * script-sections.cc (is_wildcard_string): Delete and move modified
6255         method to gold.h.
6256         (Output_section_element_input::Output_section_element_input): Modify
6257         call to is_wildcard_string.
6258         (Output_section_element_input::Input_section_pattern
6259         ::Input_section_pattern): Ditto.
6260         (Output_section_element_input::Output_section_element_input): Ditto.
6261         * testsuite/Makefile.am (final_layout): New test case.
6262         * testsuite/Makefile.in: Regenerate.
6263         * testsuite/final_layout.cc: New file.
6264         * testsuite/final_layout.sh: New file.
6265
6266 2010-06-01  Rafael Espindola  <espindola@google.com>
6267
6268         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6269
6270 2010-06-01  Rafael Espindola  <espindola@google.com>
6271
6272         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6273         visibility of symbols.
6274
6275 2010-05-27  Doug Kwan  <dougkwan@google.com>
6276
6277         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6278         from start of output section instead of address for a local symbol
6279         in a merged or relaxed section when doing a relocatable link.
6280
6281 2010-05-26  Rafael Espindola  <espindola@google.com>
6282
6283         PR 11604
6284         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6285         adding sections the garbage collector removed.
6286         * gold/testsuite/Makefile.am: Add test.
6287         * gold/testsuite/Makefile.in: Regenerate.
6288         * gold/testsuite/plugin_test_7.sh: New.
6289         * gold/testsuite/plugin_test_7_1.c: New.
6290         * gold/testsuite/plugin_test_7_2.c: New.
6291
6292 2010-05-26  Rafael Espindola  <espindola@google.com>
6293
6294         * script-sections.cc (Output_section_definition::set_section_addresses):
6295         Check for --section-start.
6296
6297 2010-05-26  Doug Kwan  <dougkwan@google.com>
6298
6299         * arm.cc (Arm_scan_relocatable_relocs): New class.
6300         (Target_arm::relocate_special_relocatable): New method.
6301         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6302         (Arm_relocate_functions::thumb_branch_common): Same.
6303         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6304         instead of Default_scan_relocatable_relocs.
6305         * target-reloc.h (relocate_for_relocatable): Let target handle
6306         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6307         * target.h (Sized_target::relocate_special_relocatable): New method.
6308
6309 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6310
6311         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6312
6313 2010-05-23  Doug Kwan  <dougkwan@google.com>
6314
6315         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6316         instead of a cast.
6317         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6318         with a direct branch, not a conditional branch, to a stub.
6319         * merge.cc (Output_merge_base::record_input_section): New method
6320         defintion.
6321         (Output_merge_data::do_add_input_section): Record input section if
6322         keeps-input-sections flag is set.
6323         (Output_merge_string::do_add_input_section): Ditto.
6324         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6325         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6326         INPUT_SECTIONS_.
6327         (Output_merge_base::keeps_input_sections,
6328         Output_merge_base::set_keeps_input_sections,
6329         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6330         method definitions.
6331         (Output_merge_base::Input_sections): New type declaration.
6332         (Output_merge_base::input_sections_begin,
6333         Output_merge_base::input_sections_end,
6334         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6335         (Output_merge_base::bool keeps_input_sections_,
6336         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6337         Output_merge_base::input_sections_): New data members.
6338         (Output_merge_data::do_set_keeps_input_sections): New method
6339         defintion.
6340         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6341         * output.cc (Output_section::Input_section::relobj): Move method
6342         defintion from class declaration to here and handle merge sections.
6343         (Output_section::Input_section::shndx): Ditto.
6344         (Output_section::Output_section): Remove initializations of removed
6345         data members and initialize new data member LOOKUP_MAPS_.
6346         (Output_section::add_input_section): Set keeps-input-sections flag
6347         for a newly created merge output section as appropriate.  Adjust code
6348         to use Output_section_lookup_maps class.
6349         (Output_section::add_relaxed_input_section): Adjst code for lookup
6350         maps code refactoring.
6351         (Output_section::add_merge_input_section): Add a new parameter
6352         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6353         class.  If adding input section to a newly created merge output
6354         section fails, remove the new merge section.
6355         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6356         Adjust code for use of the Output_section_lookup_maps class.
6357         (Output_section::find_merge_section): Ditto.
6358         (Output_section::build_lookup_maps): New method defintion.
6359         (Output_section::find_relaxed_input_section): Adjust code to use
6360         Output_section_lookup_maps class.
6361         (Output_section::get_input_sections): Export merge sections.  Adjust
6362         code to use Output_section_lookup_maps class.
6363         (Output_section:::add_script_input_section): Adjust code to use
6364         Output_section_lookup_maps class.  Update lookup maps for merge
6365         sections also.
6366         (Output_section::discard_states): Use Output_section_lookup_maps.
6367         (Output_section::restore_states): Same.
6368         * output.h (Merge_section_properties): Move class defintion out of
6369         Output_section.
6370         (Output_section_lookup_maps): New class.
6371         (Output_section::Input_section::is_merge_section): New method
6372         defintion.
6373         (Output_section::Input_section::relobj): Move defintion out of class
6374         defintion.  Declare method only.
6375         (Output_section::Input_section::shndx): Ditto.
6376         (Output_section::Input_section::output_merge_base): New method defintion.
6377         (Output_section::Input_section::u2_.pomb): New union field.
6378         (Output_section::Merge_section_by_properties_map,
6379         Output_section::Output_section_data_by_input_section_map,
6380         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6381         Remove types.
6382         (Output_section::add_merge_input_section): Add new parameter
6383         KEEPS_INPUT_SECTIONS.
6384         (Output_section::build_lookup_maps): New method declaration.
6385         (Output_section::merge_section_map_,
6386         Output_section::merge_section_by_properties_map_,
6387         Output_section::relaxed_input_section_map_,
6388         Output_section::is_relaxed_input_section_map_valid_): Remove data
6389         members.
6390         (Output_section::lookup_maps_): New data member.
6391
6392 2010-05-21  Doug Kwan  <dougkwan@google.com>
6393
6394         PR gold/11619
6395         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6396         avoid a compilation error.
6397
6398 2010-05-19  Rafael Espindola  <espindola@google.com>
6399
6400         * script-sections.cc (Output_section_definition::allocate_to_segment):
6401         Update the phdrs_list even when the output section is NULL.
6402         * testsuite/Makefile.am: Add test.
6403         * testsuite/Makefile.in: Regenerate.
6404         * testsuite/script_test_9.cc: New.
6405         * testsuite/script_test_9.sh: New.
6406         * testsuite/script_test_9.t: New.
6407
6408 2010-05-19  Doug Kwan  <dougkwan@google.com>
6409
6410         * arm.cc (Arm_input_section::original_size): New method.
6411         (Arm_input_section::do_addralign): Add a cast.
6412         (Arm_input_section::do_output_offset): Remove static cast.
6413         (Arm_input_section::original_addralign,
6414          Arm_input_section::original_size_): Change type to uint32_t.
6415         (Arm_input_section::init): Add safe casts for section alignment
6416         and size.
6417         (Arm_input_section::set_final_data_size): Do not set address and
6418         offset of stub table.
6419         (Arm_output_section::fix_exidx_coverage): Change use of of
6420         Output_section::Simple_input_section to that of
6421         Output_section::Input_section.
6422         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6423         except for the first pass.
6424         * output.cc (Output_section::get_input_sections): Change type of
6425         input_sections to std::list<Input_section>.
6426         (Output_section::add_script_input_section): Rename from
6427         Output_section::add_simple_input_section.  Change type of SIS
6428         parameter from Simple_input_section to Input_section.
6429         * output.h (Output_section::Simple_input_section): Remove class.
6430         (Output_section::Input_section): Change class visibility to public.
6431         (Output_section::Input_section::addralign): Use stored alignments
6432         for special input sections if set.
6433         (Output_section::Input_section::set_addralign): New method.
6434         (Output_section::get_input_sections): Change parameter type from
6435         list of Simple_input_section to list of Input_section.
6436         (Output_section::add_script_input_section): Rename from
6437         Output_section::add_simple_input_section. Change first parameter's
6438         type from Simple_input_section to Input_section and remove the
6439         second and third parameters.
6440         * script-sections.cc (Input_section::Input_section_list): Change
6441         type to list of Output_section::Input_section/
6442         (Input_section_info::Input_section_info): Change parameter type of
6443         INPUT_SECTION to Output_section::Input_section.
6444         (Input_section_info::input_section): Change return type.
6445         (Input_section_info::input_section_): Change type to
6446         Output_section::Input_section.
6447         (Output_section_element_input::set_section_addresses): Adjust code
6448         to use Output_section::Input_section instead of
6449         Output_section::Simple_input_section.  Adjust code for renaming
6450         of Output_section::add_simple_input_section.
6451         (Orphan_output_section::set_section_addresses): Ditto.
6452
6453 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6454
6455         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6456         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6457
6458 2010-05-18  Rafael Espindola  <espindola@google.com>
6459
6460         * options.cc (General_options::finalize): Handle -nostdlib.
6461         * options.h (nostdlib): New option.
6462         * script.cc (script_add_search_dir): Handle -nostdlib.
6463
6464 2010-05-12  Doug Kwan  <dougkwan@google.com>
6465
6466         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6467         attributes section only if there no attributes section after merging.
6468         (Target_arm::merge_object_attributes): Move value of
6469         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6470         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6471         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6472         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6473         and arm_attr_merge_7.stdout.
6474         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6475         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6476         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6477         arm_attr_merge_7b.o): New rules.
6478         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6479         arm_attr_merge_7
6480         * testsuite/Makefile.in: Regenerate.
6481         * testsuite/arm_attr_merge.sh: New file.
6482         * testsuite/arm_attr_merge_[67][ab].s: Same.
6483
6484 2010-05-05  Nick Clifton  <nickc@redhat.com>
6485
6486         * po/es.po: Updated Spanish translation.
6487
6488 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6489
6490         * Makefile.am (install-exec-local): Properly install gold as
6491         default cross linker.
6492         * Makefile.in: Regenerated.
6493
6494 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6495             Nick Clifton  <nickc@redhat.com>
6496
6497         * configure.ac (install_as_default): Define and set to false
6498         unless --enable-gold or --enable-gold=both/gold has been
6499         specified.
6500         * configure: Regenerate.
6501
6502         * Makefile.am (install-exec-local): Install the executable as
6503         'ld.gold'.  If install_as_default is true then also install it as
6504         'ld'.
6505         * Makefile.in: Regenerated.
6506
6507 2010-04-24  Ian Lance Taylor  <iant@google.com>
6508
6509         * layout.cc (Layout::layout_reloc): In relocatable link don't
6510         combine reloc sections for grouped sections.
6511
6512 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6513
6514         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6515         sections that are not ordinary to icf.
6516         * icf.cc (get_section_contents): Handle relocation pointing to section
6517         with no object or shndx information.
6518         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6519         * testsuite/Makefile.in: Regenerate.
6520         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6521         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6522
6523 2010-04-22  Ian Lance Taylor  <iant@google.com>
6524
6525         * expression.cc (Expression::Expression_eval_info): Add
6526         result_alignment_pointer field.
6527         (Expression::eval_with_dot): Add result_alignment_pointer
6528         parameter.  Change all callers.
6529         (Expression::eval_maybe_dot): Likewise.
6530         (class Binary_expression): Add alignment_pointer parameter to
6531         left_value and right_value.  Change all callers.
6532         (BINARY_EXPRESSION): Set result alignment.
6533         (class Trinary_expression): Add alignment_pointer parameter to
6534         arg2_value and arg3_value.  Change all callers.
6535         (Trinary_cond::value): Set result alignment.
6536         (Max_expression::value, Min_expression::value): Likewise.
6537         (Align_expression::value): Likewise.
6538         * script-sections.cc (class Sections_element): Add dot_alignment
6539         parameter to set_section_addresses virtual function.  Update
6540         instantiations.
6541         (class Output_section_element): Likewise.
6542         (Script_sections::create_segments): Add dot_alignment parameter.
6543         Change all callers.
6544         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6545         (Script_sections::set_phdrs_clause_addresses): Likewise.
6546         * script-sections.h: Update declarations.
6547         * script.h: Update declarations.
6548         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6549         min_p_align.
6550         * testsuite/script_test_3.t: Set large alignment.
6551         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6552         segment has expected alignment.
6553
6554 2010-04-22  Nick Clifton  <nickc@redhat.com>
6555
6556         * po/gold.pot: Updated by the Translation project.
6557         * po/vi.po: Updated Vietnamese translation.
6558
6559 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6560
6561         * testsuite/Makefile.am (check_PROGRAMS): Add
6562         icf_virtual_function_folding_test.
6563         * testsuite/Makefile.in: Regenerated.
6564
6565 2010-04-15  Andrew Haley  <aph@redhat.com>
6566
6567         * options.h (merge_exidx_entries): New option.
6568         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6569         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6570         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6571         (Target_arm::merge_exidx_entries): New function.
6572         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6573         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6574         to Arm_exidx_fixup constructor.
6575         Add new arg, merge_exidx_entries.
6576         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6577         Arm_output_section::fix_exidx_coverage.
6578
6579 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6580
6581         * icf.cc (get_section_contents): Check for preemptible functions.
6582         Ignore addend when appropriate.
6583         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6584         section folded.
6585         (add_from_relobj): Check for section folded.
6586         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6587         * symtab.h (should_add_dynsym_entry): Add new parameter.
6588         * target-reloc.h (scan_relocs): Check for section folded.
6589         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6590         Check reloc types for function pointers in shared objects.
6591         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6592         case.
6593         (icf_preemptible_functions_test): New test case.
6594         (icf_string_merge_test): New test case.
6595         * testsuite.Makefile.in: Regenerate.
6596         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6597         bar_glob.  Refactor code.
6598         * testsuite/icf_preemptible_functions_test.cc: New file.
6599         * testsuite/icf_preemptible_functions_test.sh: New file.
6600         * testsuite/icf_string_merge_test.cc: New file.
6601         * testsuite/icf_string_merge_test.sh: New file.
6602         * testsuite/icf_virtual_function_folding_test.cc: New file.
6603         * testsuite/icf_virtual_function_folding_test.sh: New file.
6604
6605 2010-04-14  Doug Kwan  <dougkwan@google.com>
6606
6607         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6608         for local symbol recounting if we remove a section due to ICF.
6609         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6610         there are no regular objects in input.
6611
6612 2010-04-13  Doug Kwan  <dougkwan@google.com>
6613
6614         * arm.cc (Arm_input_section::set_final_data_size): Compute
6615         accurate final data size instead of using current data size.
6616
6617 2010-04-09  Doug Kwan  <dougkwan@google.com>
6618
6619         * layout.cc (Layout::choose_output_section): Handle script section
6620         types.
6621         (Layout::make_output_section_for_script): Add section type parameter.
6622         Handle script section types.
6623         * layout.h (Layout::make_output_section_for_script): Add section
6624         type parameter.
6625         * output.cc (Output_section::Output_section): Initialize data member
6626         is_noload_.
6627         (Output_section::do_reset_address_and_file_offset): Do not set address
6628         to 0 if section is a NOLOAD section.
6629         * output.h (Output_section::is_noload): New method.
6630         (Output_section::set_is_noload): Ditto.
6631         (Output_section::is_noload_): New data member.
6632         * script-c.h (Script_section_type): New enum type.
6633         (struct Parser_output_section_header): Add new file section_type.
6634         * script-sections.cc (Sections_element::output_section_name): Add
6635         parameter for returning script section type.
6636         (Output_section_definition::output_section_name): Ditto.
6637         (Output_section_definition::section_type)P; New method.
6638         (Output_section_definiton::script_section_type_name): Ditto.
6639         (Output_section_definition::script_section_type_): New data member.
6640         (Output_section_definition::Output_section_definition): Initialize
6641         data member Output_section_definition::script_section_type_.
6642         (Output_section_definition::create_sections): Pass script section type
6643         to Layout::make_output_section_for_script.
6644         (Output_section_definition::output_section_name): Return script
6645         section type to caller.
6646         (Output_section_definition::set_section_address): Do not advance
6647         dot value and load address if section type is NOLOAD.  Set address
6648         of NOLOAD sections regardless of section flags.
6649         (Output_section_definition::print): Print section type if it is
6650         not SCRIPT_SECTION_TYPE_NONE.
6651         (Output_section_definition::section_type): New method.
6652         (Output_section_definition::script_section_type_name): Ditto.
6653         (Script_sections::output_section_name): Add new parameter
6654         PSECTION_TYPE for returning script section type.  Pass it to
6655         section elements.  Handle discard sections.
6656         (Sort_output_sections::operator()): Handle NOLOAD sections.
6657         * script-sections.h (Script_sections::Section_type): New enum type.
6658         (Script_sections::output_section_name): Add a new parameter for
6659         returning script section type.
6660         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6661         INFO and NOLOAD.
6662         * yyscript.y (union): Add new field SECTION_TYPE.
6663         (COPY, DSECT, INFO, NOLOAD): New tokens.
6664         (opt_address_and_section_type): Change type to output_section_header.
6665         (section_type): New non-terminal
6666         (section_header): Handle section type.
6667         (opt_address_and_section_type): Return section type value.
6668
6669 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6670
6671         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6672         * testsuite/plugin_common_test_2.c (foo): Likewise.
6673
6674 2010-04-08  Doug Kwan  <dougkwan@google.com>
6675
6676         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6677         Output_merge_data.
6678         * output.cc (Output_section::add_merge_input_section): Simplify
6679         code and return status of Output_merge_base::add_input_section.
6680         Update merge section map only if Output_merge_base::add_input_section
6681         returns true.
6682
6683 2010-04-07  Doug Kwan  <dougkwan@google.com>
6684
6685         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6686         if section is marked as containing instructions but has no mapping
6687         symbols.
6688         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6689         correct section index.
6690         (Arm_relobj::find_linked_text_section): Ditto.
6691
6692 2010-04-07  Cary Coutant  <ccoutant@google.com>
6693
6694         * archive.cc (include_member): Destroy Read_symbols_data object before
6695         releasing file.
6696         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6697         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6698         (Read_symbols_data::~Read_symbols_data) New destructor.
6699         (Section_relocs::Section_relocs) New constructor.
6700         (Section_relocs::~Section_relocs) New destructor.
6701         (Read_relocs_data::Read_relocs_data) New constructor.
6702         (Read_relocs_data::~Read_relocs_data) New destructor.
6703         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6704         pointers to NULL after deleting.
6705
6706 2010-04-07  Doug Kwan  <dougkwan@google.com>
6707
6708         * arm.cc: Replace "endianity" with "endianness" in comments.
6709         (Arm_exidx_cantunwind): Ditto.
6710         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6711         (Arm_relobj::merge_flags_and_attributes): New method.
6712         (Arm_relobj::merge_flags_and_attributes_): New data member.
6713         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6714         (Arm_relobj::scan_sections_for_stubs): Ditto.
6715         (Arm_relobj::do_read_symbols): Check to see if we really want to
6716         merge processor-specific flags and attributes.  Exit early if
6717         an object is empty except for section names and the undefined symbol.
6718         (Target_arm::do_finalize_sections): Move check for ELF format to
6719         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6720         attributes from a regular object only when we have determined that
6721         it is aapropriate.  Do not create an .ARM.attributes section in
6722         output if there is no regular input object.
6723         (Target_arm::merge_processor_specific_flags): Check
6724         --warn-mismatch before printing any error.
6725         (Target_arm::merge_object_attributes): Ditto.
6726         * gold.cc (queue_middle_tasks): Handle the case in which there is
6727         no regular object in input.
6728         * options.cc (General_options::parse_EB): New method.
6729         (General_options::parse_EL): Same.
6730         (General_options::General_options): Initialize endianness_.
6731         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6732         New options.
6733         (General_options::Endianness): New enum.
6734         (General_options::endianness): New method.
6735         (General_options::endianness_): New data member.
6736         * parameters.cc (Parameters::set_options): Check target endianness.
6737         (Parameters::set_target_once): Ditto.
6738         (Parameters::check_target_endianness): New method.
6739         (parameters_force_valid_target): If either -EL or -EB is specified,
6740         use it to define endianness of default target.
6741         * parameters.h (Parameters::check_target_endianness): New method
6742         declaration.
6743         * target.h (class Target): Change "endianity" to "endianness"
6744         in comments.
6745
6746 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6747
6748         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6749         * configure: Regenerate.
6750         * Makefile.in: Regenerate.
6751         * testsuite/Makefile.in: Regenerate.
6752
6753 2010-04-06  Cary Coutant  <ccoutant@google.com>
6754
6755         gcc PR lto/42757
6756         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6757         prevailing definitions of common symbols.
6758         * testsuite/plugin_test_6.sh: New test case.
6759         * testsuite/plugin_common_test_1.c: New test case.
6760         * testsuite/plugin_common_test_2.c: New test case.
6761         * testsuite/Makefile.am (plugin_test_6): New test case.
6762         * testsuite/Makefile.in: Regenerate.
6763
6764 2010-04-06  Nick Clifton  <nickc@redhat.com>
6765
6766         * po/vi.po: New Vietnamese translation.
6767
6768 2010-03-30  Doug Kwan  <dougkwan@google.com>
6769
6770         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6771
6772 2010-03-25  Doug Kwan  <dougkwan@google.com>
6773
6774         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6775         to avoid a conversion warning on a 32-bit host.
6776
6777 2010-03-24  Ian Lance Taylor  <iant@google.com>
6778
6779         * testsuite/script_test_3.t: Add a TLS segment.
6780         * testsuite/Makefile.am (check_PROGRAMS): Add
6781         tls_phdrs_script_test.
6782         (tls_phdrs_script_test_SOURCES): Define.
6783         (tls_phdrs_script_test_DEPENDENCIES): Define.
6784         (tls_phdrs_script_test_LDFLAGS): Define.
6785         (tls_phdrs_script_test_LDADD): Define.
6786         * testsuite/Makefile.in: Rebuild.
6787
6788 2010-03-23  Cary Coutant  <ccoutant@google.com>
6789
6790         * fileread.cc (find_or_make_view): Fix comment.
6791
6792 2010-03-23  Ian Lance Taylor  <iant@google.com>
6793
6794         * script-sections.cc (class Orphan_section_placement): Define
6795         PLACE_TLS and PLACE_TLS_BSS.
6796         (Orphan_section_placement::Orphan_section_placement): Initialize
6797         new places.
6798         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6799         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6800         (tls_script_test_SOURCES): Define.
6801         (tls_script_test_DEPENDENCIES): Define.
6802         (tls_script_test_LDFLAGS): Define.
6803         (tls_script_test_LDADD): Define.
6804         * testsuite/Makefile.in: Rebuild.
6805
6806 2010-03-22  Doug Kwan  <dougkwan@google.com>
6807
6808         * arm.cc (Arm_relocate_functions::abs8,
6809         Arm_relocate_functions::abs16): Use correct check for overflow
6810         specified in the ARM ELF specs.
6811         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6812         target of a BLX instruction specially.
6813         (Reloc_stub::stub_type_for_reloc): Ditto.
6814         (Relocate::relocate): Use symbolic names instead of numeric relocation
6815         codes to report error.
6816         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6817         workaround.
6818         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6819         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6820         thumb2_blx_out_of_range.stdout
6821         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6822         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6823         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6824         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6825         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6826         thumb2_blx_in_range, thumb2_blx_in_range.o,
6827         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6828         thumb2_blx_out_of_range.o): New rules.
6829         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6830         thumb2_blx_in_range and thumb2_blx_out_of_range.
6831         * testsuite/Makefile.in: Regenerate.
6832         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6833         * testsuite/thumb_blx_in_range.s: New file.
6834         * testsuite/thumb_blx_out_of_range.s: New file.
6835
6836 2010-03-22  Rafael Espindola  <espindola@google.com>
6837
6838         * archive.cc (Should_include): Move to archive.h.
6839         (should_include_member): Make it a member of Archive.
6840         (Lib_group): New.
6841         (Add_lib_group_symbols): New.
6842         * archive.h: Include options.h.
6843         (Archive_member): Moved from Archive.
6844         (Should_include): Moved from archive.cc.
6845         (Lib_group): New.
6846         (Add_lib_group_symbols): New.
6847         * dynobj.cc (do_should_include_member): New.
6848         * dynobj.h (do_should_include_member): New.
6849         * gold.cc (queue_initial_tasks): Update call to queue.
6850         * main.cc (main): Print lib group stats.
6851         * object.cc (do_should_include_member): New.
6852         * object.h: Include archive.h.
6853         (Object::should_include_member): New.
6854         (Object::do_should_include_member): New.
6855         (Sized_relobj::do_should_include_member): New.
6856         * options.cc (General_options::parse_start_lib): New.
6857         (General_options::parse_end_lib): New.
6858         (Input_arguments::add_file): Handle lib groups.
6859         (Input_arguments::start_group): Check we are not in a lib.
6860         (Input_arguments::start_lib): New.
6861         (Input_arguments::end_lib): New.
6862         * options.h (General_options): Add start_lib and end_lib.
6863         (Input_argument::lib_): New.
6864         (Input_argument::lib): New.
6865         (Input_argument::is_lib): New.
6866         (Input_file_lib): New.
6867         (Input_arguments::in_lib_): New.
6868         (Input_arguments::in_lib): New.
6869         (Input_arguments::start_lib): New.
6870         (Input_arguments::end_lib_): New.
6871         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6872         in unused members as preempted.
6873         (Sized_pluginobj::do_should_include_member): New.
6874         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6875         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6876         return the blocker.
6877         (Read_symbols::do_whole_lib_group): New.
6878         (Read_symbols::do_lib_group): New.
6879         (Read_symbols::do_read_symbols): Handle lib groups.
6880         (Read_symbols::get_name): Handle lib groups.
6881         * readsyms.h (Read_symbols): Add an archive member pointer.
6882         (Read_symbols::do_whole_lib_group): New.
6883         (Read_symbols::do_lib_group): New.
6884         (Read_symbols::member_): New.
6885         * script.cc (read_input_script): Update call to queue_soon.
6886
6887 2010-03-19  Doug Kwan  <dougkwan@google.com>
6888
6889         * arm.cc (Stub_table::Stub_table): Initialize new data members
6890         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6891         (Stub_table::add_reloc_stub): Assign stub offset and update
6892         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6893         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6894         New data members.
6895         (Stub_table::update_data_size_and_addralign): Use
6896         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6897         instead of going over all reloc stubs.
6898         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6899         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6900         Stringpool_template::offset_ to size of Stringpool_char.
6901         (Stringpool_template::new_key_offset): Remove code to initialize
6902         Stringpool_template::offset_.
6903         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6904         Stringpool_template::offset_ to zero.
6905
6906 2010-03-15  Doug Kwan  <dougkwan@google.com>
6907
6908         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6909         offset_.
6910         (Stringpool_template::new_key_offset): New method.
6911         (Stringpool_template::add_string): Assign offsets when adding new
6912         strings.
6913         (Stringpool_template::set_string_offsets): Do not set string offsets
6914         when not optimizing.
6915         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6916         member size_.
6917         (Chunked_vector::clear): Clear size_.
6918         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6919         (Chunked_vector::size): Return size_.
6920         (Chunked_vector::push_back): Use size_ to find insert position.
6921         (Chunked_vector::size_): New data member.
6922         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6923         (Stringpool_template::new_key_offset): New method declaration.
6924         (Stringpool_template::offset_): New data member.
6925
6926 2010-03-15   Rafael Espindola  <espindola@google.com>
6927
6928         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6929         Add_symbols' constructor.
6930         * readsyms.h (Add_symbols): Remove the input_group member.
6931
6932 2010-03-10  Ian Lance Taylor  <iant@google.com>
6933
6934         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6935         target to ask whether a reference to a symbol requires a stack
6936         split.
6937         * target.h (Target::is_call_to_non_split): New function.
6938         (Target::do_is_call_to_non_split): Declare virtual function.
6939         * target.cc: Include "symtab.h".
6940         (Target::do_is_call_to_non_split): New function.
6941         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6942
6943 2010-03-10  Cary Coutant  <ccoutant@google.com>
6944
6945         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6946         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6947         (File_read::open[2]): Add whole_file_view_ to list of views.
6948         (File_read::make_view): Remove test of whole_file_view_.
6949         (File_read::find_or_make_view): Create whole_file_view_ if
6950         necessary.
6951         (File_read::clear_views): Replace bool parameter with enum;
6952         adjust all callers.  Don't delete views with permanent data;
6953         do delete cached views and views from archives if
6954         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6955         if clearing the corresponding view.
6956         * fileread.h (File_read::Clear_views_mode): New enum.
6957         (File_read::View::is_permanent_view): New method.
6958         (File_read::clear_views): Replace bool parameter
6959         with enum; adjust all callers.
6960         * options.h (General_options): Change keep_files_mapped option;
6961         add map_whole_files.
6962         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6963         releasing the file.
6964         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6965         the file.
6966
6967 2010-03-10  David S. Miller  <davem@davemloft.net>
6968
6969         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6970
6971 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6972
6973         * icf.cc (get_section_contents): Add '@' marker after processing the
6974         merge reloc.
6975
6976 2010-03-08  Doug Kwan  <dougkwan@google.com>
6977
6978         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6979         due to a conversion warning.
6980         (Arm_relobj::update_output_local_symbol_count): Check for local
6981         symbol with unset output index.
6982
6983 2010-03-05  Ian Lance Taylor  <iant@google.com>
6984
6985         * options.h (class General_options): Add --spare-dynamic-tags.
6986         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6987         --spare-dynamic-tags.
6988
6989 2010-03-05  Ian Lance Taylor  <iant@google.com>
6990
6991         * incremental.cc: Include "libiberty.h".
6992
6993 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6994
6995         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6996         function, is_info_ member.
6997         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6998         (Versions::Versions): Update caller.
6999         (Versions::define_base_version): Likewise.
7000         (Versions::add_def): Likewise.
7001
7002 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7003
7004         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7005         (Scan::possible_function_pointer_reloc): New function.
7006         (Scan::local_reloc_may_be_function_pointer): Change to call
7007         possible_function_pointer_reloc.
7008         (Scan::global_reloc_may_be_function_pointer): Ditto.
7009         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7010         relocations in ".data.rel.ro._ZTV" section.
7011         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7012         * testsuite/icf_safe_so_test.cc: Ditto.
7013         * testsuite/icf_safe_test.cc: Ditto.
7014         * testsuite/icf_safe_test.sh: Ditto.
7015
7016 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7017             Ian Lance Taylor  <iant@google.com>
7018
7019         * target-reloc.h (relocate_section): Check the symbol table index
7020         for -1U before setting the local symbol index.
7021         (scan_relocatable_relocs): If copying the relocation, record that
7022         the local symbol is required.
7023         * object.h (Symbol_value::is_output_symtab_index_set): New
7024         function.
7025         (Symbol_value::may_be_discarded_from_output_symtab): New
7026         function.
7027         (Symbol_value::has_output_symtab_entry): New function.
7028         (Symbol_value::needs_output_symtab_entry): Remove.
7029         (Symbol_value::output_symtab_index): Make sure the symbol index is
7030         set.
7031         (Symbol_value::set_output_symtab_index): Make sure the symbol
7032         index is not set.  Make sure the new index is valid.
7033         (Symbol_value::set_must_have_output_symtab_entry): New function.
7034         (Symbol_value::has_output_dynsym_entry): New function.
7035         (Symbol_value::set_output_dynsym_index): Make sure the new index
7036         is valid.
7037         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7038         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7039         local symbol if permitted.
7040         (Sized_relobj::do_finalize_local_symbols): Call
7041         is_output_symtab_index_set rather than needs_output_symtab_entry.
7042         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7043         rather than needs_output_symtab_entry.  Call
7044         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7045         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7046         is_output_symtab_index_set rather than needs_output_symtab_entry.
7047         * testsuite/discard_locals_relocatable_test.c: New file.
7048         * testsuite/discard_locals_test.sh: Test -r.
7049         * testsuite/Makefile.am (check_DATA): Add
7050         discard_locals_relocatable_test1.syms,
7051         discard_local_relocatable_test2.syms.
7052         (MOSTLYCLEANFILES): Likewise.  Also add
7053         discard_locals_relocatable_test1.lout and
7054         discard_locals_relocatable_test2.out.
7055         (discard_locals_relocatable_test1.syms): New target.
7056         (discard_locals_relocatable_test.o): New target.
7057         (discard_locals_relocatable_test1.out): New target.
7058         (discard_locals_relocatable_test2.syms): New target.
7059         (discard_locals_relocatable_test2.out): New target.
7060         (various): Add missing ../ld-new dependencies.
7061         * testsuite/Makefile.in: Rebuild.
7062
7063 2010-03-03  Nick Clifton  <nickc@redhat.com>
7064
7065         * po/fi.po: New Finnish translation.
7066
7067 2010-03-01  Doug Kwan  <dougkwan@google.com>
7068
7069         * layout.cc (Layout::Layout): Force section types of .init_array*,
7070         .preinit_array* and .fini_array* sections.
7071         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7072         Fix check of return value of std::string::find.().
7073         (Output_section::Input_section_sort_compare::operator()): Remove
7074         comment about .init_array.
7075         (Output_section::Input_section_sort_init_fini_compare::operator()):
7076         New method.
7077         (Output_section::sort_attached_input_sections): Handle .init_array
7078         and .fini_array specially.
7079         * output.h (Output_section::Inut_section_sort_compare): Update
7080         comment.
7081         (Output_section::Input_section_sort_init_fini_compare): New struct.
7082
7083 2010-02-26  Doug Kwan  <dougkwan@google.com>
7084
7085         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7086         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7087         * testsuite/debug_msg.sh: Avoid matching source line number for
7088         use of global variable undef_int.
7089
7090 2010-02-26  Doug Kwan  <dougkwan@google.com>
7091
7092         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7093         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7094         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7095         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7096         * options.cc (General_options::General_options): Initialize member
7097         fix_v4bx_.
7098         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7099         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7100         and rm_no_fix_v4bx.stdout
7101         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7102         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7103         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7104         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7105         and arm_no_fix_v4bx.
7106         * Makefile.in: Regenerate.
7107         * testsuite/arm_fix_v4bx.s: New file.
7108         * testsuite/arm_fix_v4bx.sh: Ditto.
7109
7110 2010-02-24  Doug Kwan  <dougkwan@google.com>
7111
7112         * arm.cc (Target_arm::got_section): Make the .got section the first
7113         non RELRO section in the data segment.
7114         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7115         suffixes of section names.
7116
7117 2010-02-24  Doug Kwan  <dougkwan@google.com>
7118
7119         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7120         flags and attributes merging if an input file is a binary file.
7121         * fileread.cc (Input_file::open): Record format of original file.
7122         * fileread.h (Input_file::Format): New enum type.
7123         (Input_file::Input_file): Initialize data member format_.
7124         (Input_file::format): New method definition.
7125         (Input_file::format_):: New data member.
7126
7127 2010-02-24  Doug Kwan  <dougkwan@google.com>
7128
7129         * arm.cc (Arm_output_data_got): New class.
7130         (ARM_TCB_SIZE): New constant
7131         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7132         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7133         If user uses a script with a SECTIONS clause, issue only a warning
7134         for a misplaced EXIDX input section.  Otherwise, issue an error.
7135         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7136         garbage collection.
7137         (Target_arm::got_mode_index_entry): Handle static linking.
7138         (Target_arm::Scan::local): Ditto.
7139         (Target_arm::Scan::global): Ditto.
7140         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7141         all incorrectly implemented relocations.
7142         (Target_arm::fix_exidx_coverage): Pass layout to
7143         Arm_output_section::fix_exidx_coverage.
7144         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7145         from ".ARM.exidx." and ".ARM.extab.".
7146
7147 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7148
7149         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7150         section if it does not already exist.
7151         * attributes.cc (Attributes_section_data::Attributes_section_data):
7152         Don't crash if size is zero.
7153
7154 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7155             Ian Lance Taylor  <iant@google.com>
7156
7157         * gold.cc (queue_middle_tasks): If no input files were opened,
7158         exit.
7159         * workqueue.h (Task_function::Task_function): Assert that there is
7160         a blocker.
7161
7162 2010-02-22  Doug Kwan  <dougkwan@google.com>
7163
7164         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7165         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7166         types to avoid warnings due to different uint64_t implementations
7167         on different hosts.
7168
7169 2010-02-21  Doug Kwan  <dougkwan@google.com>
7170
7171         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7172         handling of the maximum backward branch offset.
7173         (Arm_relocate_functions::thumb_branch_common): Ditto.
7174         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7175         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7176         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7177         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7178         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7179         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7180         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7181         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7182         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7183         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7184         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7185         thumb2_bl_out_of_range.o): New rules.
7186         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7187         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7188         thumb2_bl_out_of_range
7189         * testsuite/Makefile.in: Regenerate.
7190         * testsuite/arm_bl_in_range.s: New file.
7191         * testsuite/arm_bl_out_of_range.s: Ditto.
7192         * testsuite/arm_branch_in_range.sh: Ditto.
7193         * testsuite/arm_branch_range.t: Ditto.
7194         * testsuite/thumb2_branch_range.t: Ditto.
7195         * testsuite/thumb_bl_in_range.s: Ditto.
7196         * testsuite/thumb_bl_out_of_range.s: Ditto.
7197         * testsuite/thumb_branch_range.t: Ditto.
7198
7199 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7200
7201         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7202         Add reloc offset information.
7203         * icf.cc (get_section_contents): Change iterators to point to the new
7204         vectors. Add reloc offset information to the contents.
7205         * icf.h (Icf::Sections_reachable_info): New typedef.
7206         (Icf::Sections_reachable_list): New typedef.
7207         (Icf::Offset_info): New typedef.
7208         (Icf::Reloc_info): New struct typedef.
7209         (Icf::Reloc_info_list): New typedef.
7210         (Icf::symbol_reloc_list): Delete method.
7211         (Icf::addend_reloc_list): Delete method.
7212         (Icf::section_reloc_list): Delete method.
7213         (Icf::reloc_info_list): New method.
7214         (Icf::reloc_info_list_): New member.
7215
7216 2010-02-19  Doug Kwan  <dougkwan@google.com>
7217
7218         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7219         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7220         * arm.cc (Arm_relocation_functions): New forward declaration.
7221         (Target_arm::Target_arm): Initialize new data members
7222         got_mod_index_offset_ and tls_base_symbol_defined_.
7223         (Target_arm::Relocate::relocate_tls): New method.
7224         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7225          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7226         New methods.
7227         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7228         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7229         (Target_arm::got_mod_index_offset_,
7230         Target_arm::tls_base_symbol_defined_): New data members.
7231         (Target_arm::Scan::local, Target::Scan::global,
7232         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7233         relocations.
7234
7235 2010-02-18  Doug Kwan  <dougkwan@google.com>
7236
7237         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7238         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7239         text section as a parameter becuase some broken tools may not set
7240         the link in section header.
7241         (Target_arm::has_got_section): New method.
7242         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7243         without any mapping symbol as data only.  Remove warning.
7244         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7245         link in its section header, try to discover the link by inspecting the
7246         REL31 relocation at the beginning of the section.
7247         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7248         in error message.
7249         (Target_arm::Scan::global): Treat any reference to the symbol
7250         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7251
7252 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7253
7254         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7255         (Scan::global_reloc_may_be_function_pointer): New function.
7256         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7257         (Scan::global_reloc_may_be_function_pointer): New function.
7258         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7259         (Scan::global_reloc_may_be_function_pointer): New function.
7260         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7261         (Scan::global_reloc_may_be_function_pointer): New function.
7262         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7263         (Scan::global_reloc_may_be_function_pointer): New function.
7264         (Scan::possible_function_pointer_reloc): New function.
7265         (Target_x86_64::can_check_for_function_pointers): New function.
7266         * gc.h (gc_process_relocs): Scan relocation types to determine if
7267         function pointers were taken for targets that support it.
7268         * icf.cc (Icf::find_identical_sections): Include functions for
7269         folding in safe ICF whose pointer is not taken.
7270         * icf.h (Secn_fptr_taken_set): New typedef.
7271         (fptr_section_id_): New member.
7272         (section_has_function_pointers): New function.
7273         (set_section_has_function_pointers): New function.
7274         (check_section_for_function_pointers): New function.
7275         * options.h: Fix comment for safe ICF option.
7276         * target.h (can_check_for_function_pointers): New function.
7277         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7278         Modify icf_safe_test for X86-64.
7279         * testsuite/Makefile.in: Regenerate.
7280         * testsuite/icf_safe_so_test.cc: New file.
7281         * testsuite/icf_safe_so_test.sh: New file.
7282         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7283         (main): Change to take pointer to function kept_func_3.
7284         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7285         folding is done correctly for X86-64.
7286
7287 2010-02-12  David S. Miller  <davem@davemloft.net>
7288
7289         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7290         is_symbolless parameter.
7291         (Output_reloc<SHT_REL>::is_symbolless): New.
7292         (Output_reloc<SHT_REL>::is_symbolless_): New.
7293         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7294         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7295         (Output_reloc<SHT_RELA>::is_symbolless): New.
7296         (Output_data_reloc::add_global): Handle is_symbolless.
7297         (Output_data_reloc::add_global_relative): Likewise.
7298         (Output_data_reloc::add_local): Likewise.
7299         (Output_data_reloc::add_local_relative): Likewise.
7300         (Output_data_reloc::add_symbolless_global_addend): New.
7301         (Output_data_reloc::add_symbolless_local_addend): New.
7302         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7303         is_symbolless.
7304         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7305         instead of ->is_relative_
7306         (Output_reloc::write): Likewise.
7307         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7308         (Output_reloc::write_rel): Simplify.
7309
7310         * sparc.cc (Target_sparc::Scan::local): Use
7311         ->add_symbolless_local_addend as needed.
7312         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7313         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7314         based upon relocation offset.
7315
7316 2010-02-11  Doug Kwan  <dougkwan@google.com>
7317
7318         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7319         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7320         beginning of function.
7321         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7322         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7323         parameter is_32bit in calls to should_apply_static_reloc.
7324         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7325         (check_DATA): Add arm_abs_global.stdout.
7326         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7327         arm_abs_global.stdout): New rules.
7328         (MOSTLLYCLEANFILES): Add arm_abs_global
7329         * Makefile.in: Regenerate.
7330         * testsuite/arm_abs_global.s: New file.
7331         * testsuite/arm_abs_global.sh: Ditto.
7332         * testsuite/arm_abs_lib.s: Ditto.
7333
7334 2010-02-11  Ian Lance Taylor  <iant@google.com>
7335
7336         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7337         Read_relocs task.
7338         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7339         Allocate_commons_task first.
7340         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7341         task, rather than symtab_lock_.
7342         (Gc_process_relocs::~Gc_process_relocs): New function.
7343         (Gc_process_relocs::is_runnable): Check this_blocker_.
7344         (Gc_process_relocs::locks): Use next_blocker_ rather than
7345         blocker_.
7346         (Scan_relocs::~Scan_relocs): New function.
7347         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7348         symtab_lock_.
7349         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7350         next_blocker_.
7351         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7352         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7353         constructor accordingly.
7354         (class Gc_process_relocs): Likewise.
7355         (class Scan_relocs): Likewise.
7356         * common.h (class Allocate_commons_task): Remove symtab_lock_
7357         field, and corresponding constructor parameter.
7358         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7359         symtab_lock_.
7360         (Allocate_commons_task::locks): Likewise.
7361
7362 2010-02-11  Ian Lance Taylor  <iant@google.com>
7363
7364         * gold-threads.h (class Once): Define.
7365         (class Initialize_lock): Rewrite as child of Once.
7366         * gold-threads.cc (class Once_initialize): Define.
7367         (once_pointer_control): New static variable.
7368         (once_pointer, once_arg): New static variables.
7369         (c_run_once): New static function.
7370         (Once::Once, Once::run_once, Once::internal_run): New functions.
7371         (class Initialize_lock_once): Remove.
7372         (initialize_lock_control): Remove.
7373         (initialize_lock_pointer): Remove.
7374         (initialize_lock_once): Remove.
7375         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7376         (Initialize_lock::initialize): Rewrite.
7377         (Initialize_lock::do_run_once): New function.
7378         * archive.cc (Archive::interpret_header): Only clear name if it is
7379         not already empty.
7380         * fileread.cc: Include "gold-threads.h"
7381         (file_counts_lock): New static variable.
7382         (file_counts_initialize_lock): Likewise.
7383         (File_read::release): Only increment counts when using --stats.
7384         Use a lock around the increment.
7385         * parameters.cc (class Set_parameters_target_once): Define.
7386         (set_parameters_target_once): New static variable.
7387         (Parameters::Parameters): Move here from parameters.h.
7388         (Parameters::set_target): Rewrite.
7389         (Parameters::set_target_once): New function.
7390         (Parameters::clear_target): Move here and rewrite.
7391         * parameters.h (class Parameters): Update declarations.  Add
7392         set_parameters_target_once_ field.
7393         (Parameters::Parameters): Move to parameters.cc.
7394         (Parameters::clear_target): Likewise.
7395         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7396         task.
7397         (Start_group::~Start_group): New function.
7398         (Start_group::is_runnable): New function.
7399         (Start_group::locks, Start_group::run): New functions.
7400         (Finish_group::run): Change saw_undefined to size_t.
7401         * readsyms.h (class Start_group): Define.
7402         (class Finish_group): Change saw_undefined_ field to size_t.
7403         (Finish_group::Finish_group): Remove saw_undefined and
7404         this_blocker parameters.  Change all callers.
7405         (Finish_group::set_saw_undefined): New function.
7406         (Finish_group::set_blocker): New function.
7407         * symtab.h (class Symbol_table): Change saw_undefined to return
7408         size_t.  Change saw_undefined_ field to size_t.
7409         * target-select.cc (Set_target_once::do_run_once): New function.
7410         (Target_selector::Target_selector): Initialize set_target_once_
7411         field.  Don't initialize lock_ and initialize_lock_ fields.
7412         (Target_selector::instantiate_target): Rewrite.
7413         (Target_selector::set_target): New function.
7414         * target-select.h (class Set_target_once): Define.
7415         (class Target_selector): Update declarations.  Make
7416         Set_target_once a friend.  Remove lock_ and initialize_lock_
7417         fields.  Add set_target_once_ field.
7418
7419 2010-02-10  Ian Lance Taylor  <iant@google.com>
7420
7421         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7422         queueing any tasks.
7423         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7424         (queue_middle_tasks): Add all blockers before queueing any tasks.
7425         (queue_final_tasks): Likewise.
7426         * token.h (Task_token::add_blockers): New function.
7427         * object.h (Input_objects::number_of_relobjs): New function.
7428
7429 2010-02-10  Ian Lance Taylor  <iant@google.com>
7430
7431         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7432         shared, not if not position independent.
7433         * x86_64.cc (Relocate::relocate_tls): Likewise.
7434         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7435         (tls_pie_pic_test): New target.
7436         * testsuite/Makefile.in: Rebuild.
7437
7438         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7439         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7440         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7441         * testsuite/Makefile.in: Rebuild.
7442
7443 2010-02-09  David S. Miller  <davem@davemloft.net>
7444
7445         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7446         R_SPARC_RELATIVE using ->add_local_relative().
7447         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7448
7449         * output.h (Output_data_dynamic::add_section_size): New method
7450         that takes two Output_data objects.
7451         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7452         entry param.  Handle it in initializers.
7453         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7454         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7455         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7456         arg.
7457         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7458         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7459         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7460         for dynrel_includes_plt.
7461         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7462         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7463         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7464         before .rela.plt
7465         (Target_sparc::do_finalize_sections): Update to pass true for
7466         dynrel_includes_plt.
7467         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7468         output before .rela.plt
7469         (Target_powerpc::do_finalize_sections): Update to pass true for
7470         dynrel_includes_plt when 32-bit.
7471
7472 2010-02-08  Doug Kwan  <dougkwan@google.com>
7473
7474         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7475         method.
7476         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7477         Arm_relobj::scan_section_for_cortex_a8_stubs,
7478         Arm_relobj::do_relocation_section): Instead of calling
7479         Output_section::output_address, use faster
7480         Arm_relobj::simple_input_section_output_address.
7481
7482 2010-02-08  David S. Miller  <davem@davemloft.net>
7483
7484         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7485         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7486         relocation helper function.
7487
7488         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7489         just like R_SPARC_GOT{10,13,22}.
7490         (Target_sparc::Scan::local): Likewise.
7491         (Target_sparc::Relocate:relocate): Likewise.
7492
7493 2010-02-06  Ian Lance Taylor  <iant@google.com>
7494
7495         * configure.ac: Rewrite targetobjs duplicate removal code to use
7496         only shell constructs.
7497         * configure: Rebuild.
7498
7499 2010-02-05  Doug Kwan  <dougkwan@google.com>
7500
7501         PR 11247
7502         * arm.cc (Arm_relobj::section_is_scannable): New method.
7503         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7504         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7505
7506 2010-02-04  Doug Kwan  <dougkwan@google.com>
7507
7508         PR 11247
7509         * arm-reloc-property.cc (cstdio): Include.
7510         * configure.ac (targetobjs): Remove duplicates.
7511         * configure: Regenerate.
7512         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7513         big and little endian version for a given address size.
7514
7515 2010-02-03  Doug Kwan  <dougkwan@google.com>
7516
7517         * arm-reloc-property.cc
7518         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7519         definition.
7520         * arm-reloc-property.h
7521         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7522         New method definition.
7523         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7524         declaration.
7525         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7526         overflow to N.
7527         (GOT_PREL): Change implemented to Y.
7528         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7529         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7530         (Arm_relocate_functions::movw_abs_nc): Remove method.
7531         (Arm_relocate_functions::movt_abs): Ditto.
7532         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7533         (Arm_relocate_functions::thm_movt_abs): Ditto.
7534         (Arm_relocate_functions::movw_rel_nc): Ditto.
7535         (Arm_relocate_functions::movw_rel): Ditto.
7536         (Arm_relocate_functions::movt_rel): Ditto.
7537         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7538         (Arm_relocate_functions:thm_movw_rel): Ditto.
7539         (Arm_relocate_functions:thm_movt_rel): Ditto.
7540         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7541         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7542         New method definitions.
7543         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7544         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7545         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7546         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7547         (Target_arm::Relocate::relocate): Check for non-static or
7548         unimplemented relocation code and exit early.  Change calls to
7549         Target_arm::reloc_uses_thumb_bit and
7550         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7551         instead.  Refactor code to handle similar relocations to increase
7552         code sharing.  Remove check for unsupported relocation code in switch
7553         statement.
7554         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7555         relocation property table to find out size.  Change error message to
7556         print out the name of a relocation code instead of the numeric value.
7557         (Target_arm::scan_reloc_for_stub): Use relocation property table
7558         instead of calling Target_arm::reloc_uses_thumb_bit().
7559
7560 2010-02-02  Doug Kwan  <dougkwan@google.com>
7561
7562         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7563         types of relaxed input section.
7564
7565 2010-02-02  Doug Kwan  <dougkwan@google.com>
7566
7567         * Makefile.am (HFILES): Add arm-reloc-property.h.
7568         (DEFFILES): New.
7569         (TARGETSOURCES): Add arm-reloc-property.cc
7570         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7571         (libgold_a_SOURCES): $(DEFFILES)
7572         * Makefile.in: Regenerate.
7573         * arm-reloc-property.cc: New file.
7574         * arm-reloc-property.h: New file.
7575         * arm-reloc.def: New file.
7576         * arm.cc: Update comments.
7577         (arm-reloc-property.h): New included header.
7578         (arm_reloc_property_table): New global variable.
7579         (Target_arm::do_select_as_default_target): New method definition.
7580         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7581         arm-reloc-property to targ_extra_obj.
7582         * parameters.cc (set_parameters_target): Call
7583         Target::select_as_default_target().
7584         * target.h (Target::select_as_default_target): New method definition.
7585         (Target::do_select_as_default_target): Same.
7586
7587 2010-02-01  Doug Kwan  <dougkwan@google.com>
7588
7589         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7590         first_output_text_section_.
7591         (Arm_exidx_fixup::first_output_text_section): New method definition.
7592         (Arm_exidx_fixup::first_output_text_section_): New data member.
7593         (Arm_exidx_fixup::process_exidx_section): Record the first text
7594         output section seen.
7595         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7596         and entsize in output section header.
7597
7598 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7599
7600         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7601         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7602         (Arm_relocate_functions::thm_alu11): New Method.
7603         (Arm_relocate_functions::thm_pc8): New Method.
7604         (Arm_relocate_functions::thm_pc12): New Method.
7605         (Target_arm::Scan::local): Handle the relocations.
7606         (Target_arm::Scan::global): Likewise.
7607         (Target_arm::Relocate::relocate): Likewise.
7608         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7609
7610 2010-01-29  Doug Kwan  <dougkwan@google.com>
7611
7612         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7613         of relocation types as ld.
7614
7615 2010-01-29  Doug Kwan  <dougkwan@google.com>
7616
7617         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7618         to public.
7619         (Arm_relocate_functions::thumb_branch_common): Ditto.
7620         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7621         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7622         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7623         Arm_relocate_functions::jump24): Remove.
7624         (Target_arm::Relocate::relocate): Adjust code to call
7625         Arm_relocation_functions::arm_branch_common and
7626         Arm_relocation_functions::thumb_branch_common instead of their removed
7627         wrappers.  Merge switch-cases together to reduce source code size.
7628
7629 2010-01-29  Doug Kwan  <dougkwan@google.com>
7630
7631         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7632         output_local_symbol_count_needs_update_.
7633         (Arm_relobj::output_local_symbol_count_needs_update,
7634          Arm_relobj::set_output_local_symbol_count_needs_update,
7635          Arm_relobj::update_output_local_symbol_count): New methods.
7636         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7637         member.
7638         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7639         of pointed function as in a R_ARM_PREL31 relocation.
7640         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7641         for output local symbol count updating.
7642         (Target_arm::do_relax): Update output local symbol counts in objects
7643         if necessary.
7644         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7645
7646 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7647
7648         * arm.cc: Added support for the ARM relocations:
7649         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7650         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7651         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7652         movw_prel_nc).
7653         (Arm_relocate_functions::movw_rel): New method.
7654         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7655         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7656         thm_movw_prel_nc).
7657         (Arm_relocate_functions::thm_movw_rel): New method.
7658         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7659         thm_movt_prel).
7660         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7661         relocations.
7662         (Target_arm::Scan::global): Likewise.
7663         (Target_arm::Relocate::relocate): Likewise.
7664         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7665         Likewise.
7666
7667 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7668
7669         * arm.cc: Added support for ARM group relocations.
7670         (Target_arm::reloc_needs_sym_origin): New method.
7671         (Arm_relocate_functions::calc_grp_kn): New method.
7672         (Arm_relocate_functions::calc_grp_residual): New method.
7673         (Arm_relocate_functions::calc_grp_gn): New method.
7674         (Arm_relocate_functions::arm_grp_alu): New Method.
7675         (Arm_relocate_functions::arm_grp_ldr): New Method.
7676         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7677         (Arm_relocate_functions::arm_grp_ldc): New Method.
7678         (Target_arm::Scan::local): Handle the ARM group relocations.
7679         (Target_arm::Scan::global): Likewise.
7680         (Target_arm::Relocate::relocate): Likewise.
7681         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7682         Likewise.
7683
7684 2010-01-26  Doug Kwan  <dougkwan@google.com>
7685
7686         * arm.cc (set): Include.
7687         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7688         pointer type.
7689         (Arm_output_section::Text_section_list): New type.
7690         (Arm_output_section::append_text_sections_to_list): New method.
7691         (Arm_output_section::fix_exidx_coverage): Ditto.
7692         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7693         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7694         Relobj::set_section_offset() instead of
7695         Sized_relobj::invalidate_section_offset().
7696         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7697         parameter for section headers. Ignore relocation sections for
7698         unallocated sections and EXIDX sections.
7699         (Target_arm::fix_exidx_coverage): New method.
7700         (Target_arm::output_section_address_less_than): New type.
7701         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7702         linked text section instead of the EXIDX section.
7703         (Arm_output_section::create_stub_group): Add an assertion to check
7704         that this is not an EXIDX output section.
7705         (Arm_output_section::append_text_sections_to_list): New method.
7706         (Arm_output_section::fix_exidx_coverage): Ditto.
7707         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7708         Arm_relobj::section_needs_reloc_stub_scanning.
7709         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7710         first pass.
7711         (Target_arm::fix_exidx_coverage): New method.
7712         * object.h (Relobj::set_output_section): New method.
7713         (Sized_relobj::invalidate_section_offset): Remove method.
7714         (Sized_relobj::do_invalidate_section_offset): Remove method.
7715         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7716
7717 2010-01-25  Doug Kwan  <dougkwan@google.com>
7718
7719         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7720         Fix warning due to signed and unsigned comparison on a 32-bit host.
7721
7722 2010-01-22  Doug Kwan  <dougkwan@google.com>
7723
7724         * arm.cc (Target_arm::do_relax): Record an output section for section
7725         offset adjustment it contains any stub table that has changed.
7726         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7727         offsets in an output section if necessary.
7728         * output.cc (Output_section::Output_section): Initialize
7729         section_offsets_need_adjustments_.
7730         (Output_section::add_input_section_for_script): Renamed to
7731         Output_section::add_simple_input_section.
7732         (Output_section::save_states): Add a comment.
7733         (Output_section::discard_states): New method defintion.
7734         (Output_section::adjust_section_offsets): Same.
7735         * output.h (Output_section::add_input_section_for_script): Renamed to
7736         Output_section::add_simple_input_section.
7737         (Output_section::discard_states): New method declaration.
7738         (Output_section::adjust_section_offsets): Same.
7739         (Output_section::section_offsets_need_adjustment,
7740         Output_section::set_section_offsets_need_adjustment): New method
7741         definitions.
7742         (Output_section::section_offsets_need_adjustment_): New data member.
7743         * script-sections.cc
7744         (Output_section_element_input::set_section_address): Adjust code for
7745         renaming of Output_section::add_input_section_for_script.
7746         (Orphan_output_section::set_section_address): Same.
7747
7748 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7749
7750         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7751         Fix_v4bx enum values .
7752         * gold/options.h (General_options): New option definitions.
7753         (General_options::fix_v4bx): New method.
7754         (General_options::Fix_v4bx): New enum.
7755         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7756         (General_options::parse_fix_v4bx_interworking): New method.
7757
7758 2010-01-22  Doug Kwan  <dougkwan@google.com>
7759
7760         * arm.cc (Arm_exidx_fixup): New class.
7761
7762 2010-01-21  Doug Kwan  <dougkwan@google.com>
7763
7764         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7765         classes.
7766         (Arm_exidx_section_offset_map): New type.
7767
7768 2010-01-21  Doug Kwan  <dougkwan@google.com>
7769
7770         * arm.cc (Arm_exidx_input_section): New class.
7771         (Arm_relobj::exidx_input_section_by_link,
7772         Arm_relobj::exidx_input_section_by_shndx,
7773         Arm_relobj::make_exidx_input_section): New methods.
7774         (read_arm_attributes_section): Remove.
7775         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7776         information about them.
7777         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7778         to here.
7779
7780 2010-01-20  Doug Kwan  <dougkwan@google.com>
7781
7782         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7783         Input_section_specifier to Section_id.
7784         (Target_arm::new_arm_input_section: Adjust code for change of key
7785         type.
7786         (Target_arm::find_arm_input_section): Ditto.
7787         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7788         (Section_id): Remove.
7789         (Garbage_collection::Section_id_hash): Remove.
7790         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7791         (Section_id): Remove.
7792         (Icf::Section_id_hash): Remove.
7793         * object.h (Section_id, Const_section_id, Section_id_hash,
7794         Const_section_id_hash): New type definitions.
7795         * output.cc (Output_section::add_relaxed_input_section): Change to
7796         use Const_section_id instead of Input_section_specifier as key type.
7797         (Output_section::add_merge_input_section): Ditto.
7798         (Output_section::build_relaxation_map): Change to use Section_id
7799         instead of Input_section_specifier as key type.
7800         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7801         Ditto.
7802         (Output_section::convert_input_sections_to_relaxed_sections): Change
7803         to use Const_section_id instead of Input_section_specifier as key type.
7804         (Output_section::find_merge_section): Ditto.
7805         (Output_section::find_relaxed_input_section): Ditto.
7806         * output.h (Input_section_specifier): Remove class.
7807         (Output_section::Output_section_data_by_input_section_map): Change
7808         key type to Const_section_id.
7809         (Output_section::Output_relaxed_input_section_by_input_section_map):
7810         Ditto.
7811         (Output_section::Relaxation_map): Change key type to Section_id.
7812
7813 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7814
7815         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7816         (class Arm_v4bx_stub): New class.
7817         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7818         (Stub_factory::make_arm_v4bx_stub): New method.
7819         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7820         (Stub_table::empty): Handle v4bx stubs.
7821         (Stub_table::add_arm_v4bx_stub): New method.
7822         (Stub_table::find_arm_v4bx_stub): New method.
7823         (Arm_relocate_functions::v4bx): New method.
7824         (Target_arm::fix_v4bx): New method.
7825         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7826         (Stub_table::relocate_stubs): Likewise.
7827         (Stub_table::do_write): Likewise.
7828         (Stub_table::update_data_size_and_addralign): Likewise.
7829         (Stub_table::finalize_stubs):  Likewise.
7830         (Target_arm::Scan::local): Likewise.
7831         (Target_arm::Scan::global): Likewise.
7832         (Target_arm::do_finalize_sections): Likewise.
7833         (Target_arm::Relocate::relocate): Likewise.
7834         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7835         Likewise.
7836         (Target_arm::scan_reloc_for_stub): Likewise.
7837         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7838
7839 2010-01-19  Ian Lance Taylor  <iant@google.com>
7840
7841         * output.cc (Output_section_headers::do_sized_write): Write large
7842         segment count to sh_info field.
7843         (Output_file_header::do_sized_write): For large segment count,
7844         write PN_XNUM to e_phnum field.
7845
7846 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7847
7848         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7849         (Arm_relocate_functions::thm_jump8): New function.
7850         (Arm_relocate_functions::thm_jump11): New function.
7851         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7852         R_ARM_THM_JUMP11.
7853         (Target_arm::Scan::global): Likewise.
7854         (Target_arm::Relocate::relocate): Likewise.
7855         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7856         Likewise.
7857
7858 2010-01-14  Doug Kwan  <dougkwan@google.com>
7859
7860         * arm.cc (map, utility): Include headers.
7861         (Target_arm::apply_cortex_a8_workaround): New method.
7862         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7863         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7864         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7865         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7866         the --[no-]fix-cortex-a8 command line options.
7867         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7868         (Target_arm::relocate_stub): Use addend in instruction template.
7869         * options.h (DEFINE_bool): Set the user-set flag.
7870         (General_options): Add --[no-]-fix-cortex options.
7871         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7872         : Update fast look-up map after conversion.
7873
7874 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7875
7876         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7877         in the first pass of do_layout.
7878
7879 2010-01-13  Doug Kwan  <dougkwan@google.com>
7880
7881         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7882         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7883         apparent compiler problem of not folding static constant integral
7884         data members of elfcpp::Elf_sizes<32>.
7885
7886 2010-01-13  Doug Kwan  <dougkwan@google.com>
7887
7888         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7889         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7890         Arm_relobj::scan_section_for_cortex_a8_erratum,
7891         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7892         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7893         sections to scan for relocation stubs into a new method
7894         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7895         relocation and Cortex-A8 stub scanning.
7896         (Target_arm::do_relax): Force stubs to be after stubbed sections
7897         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7898         the beginning of a new relaxation pass.  Update a comment.
7899         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7900
7901 2010-01-12  Ian Lance Taylor  <iant@google.com>
7902
7903         * target-reloc.h (visibility_error): New inline function.
7904         (relocate_section): Call visibility_error.
7905         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7906         (MOSTLYCLEANFILES): Likewise.
7907         (protected_4_pic.o, protected_3.err): New targets.
7908         * testsuite/protected_4.cc: New file.
7909
7910 2010-01-12  Doug Kwan  <dougkwan@google.com>
7911
7912         * arm.cc (Cortex_a8_reloc): New class.
7913         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7914         and cortex_a8_relocs_info_.
7915         (Target_arm::fix_cortex_a8): New method definition.
7916         (Target_arm::Cortex_a8_relocs_info): New type.
7917         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7918         New data member declarations.
7919         (Target_arm::scan_reloc_for_stub): Record information about
7920         relocations for THUMB branches that might be exempted from the
7921         Cortex-A8 workaround.
7922         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7923         at the beginning of a relaxation pass.
7924
7925 2010-01-12  Doug Kwan  <dougkwan@google.com>
7926
7927         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7928         (Arm_relobj::Mapping_symbol_position,
7929          Arm_reloj::Mapping_symbol_position_less,
7930          Arm_relobj::Mapping_symbols_info): New types.
7931         (Target_arm::is_mapping_symbol_name): New method definition.
7932         (Arm_relobj::do_count_local_symbols): Save information about mapping
7933         symbols.
7934
7935 2010-01-11  Doug Kwan  <dougkwan@google.com>
7936
7937         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7938         Arm_relocate_functions::thumb32_branch_upper,
7939         Arm_relocate_functions::thumb32_branch_lower,
7940         Arm_relocate_functions::thumb32_cond_branch_offset,
7941         Arm_relocate_functions::thumb32_cond_branch_upper,
7942         Arm_relocate_functions::thumb32_cond_branch_lower,
7943         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7944         branch offset encoding.
7945         (Arm_relocate_functions::thumb_branch_common): Use new branch
7946         offset encoding methods to avoid code duplication.
7947         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7948         (Stub_addend_reader::operator()): Use new branch encoding method
7949         to avoid code duplication.
7950
7951 2010-01-11  Doug Kwan  <dougkwan@google.com>
7952
7953         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7954         (Target_arm::do_finalize_sections): Define special EXIDX section
7955         symbols only if referenced.
7956         * gc.h (Garbage_collection::add_reference): New method.
7957         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7958         code duplication.
7959
7960 2010-01-11  Ian Lance Taylor  <iant@google.com>
7961
7962         * script.cc (Version_script_info::build_expression_list_lookup):
7963         Change complaing about duplicate wildcard match from error to
7964         warning.
7965
7966         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7967         of 2009-12-30.
7968         (Version_script_info::Version_script_info): Initialize globs_,
7969         default_version_, default_is_global_, and exact_.  Don't
7970         initialize globals_ or locals_.
7971         (Version_script_info::build_lookup_tables): Build local symbols
7972         first.
7973         (Version_script_info::unquote): New function.
7974         (Version_script_info::add_exact_match): New function.
7975         (Version_script_info::build_expression_list_lookup): Remove lookup
7976         parameter.  Add is_global parameter.  Change all callers.  Handle
7977         wildcard pattern specially.  Unquote pattern.  Call
7978         add_exact_match.
7979         (Version_script_info::get_name_to_match): New function.
7980         (Version_script_info::get_symbol_version): New function.
7981         (Version_script_info::get_symbol_version_helper): Remove.
7982         (Version_script_info::check_unmatched_names): Call unquote.
7983         * script.h (class Version_script_info): Change get_symbol_version
7984         to be non-inline and add is_global parameter; change all callers.
7985         Rewrite symbol_is_local.  Update declarations.  Define struct
7986         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7987         Remove globals_ and locals_ members.  Add exact_, globs_,
7988         default_version_, is_global_.
7989         (Version_script_info::Glob): Remove pattern, add expression and
7990         is_global.  Update constructor.  Change all callers.
7991         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7992         default version.
7993         (Versions::symbol_section_contents): If a symbol is undefined, or
7994         defined in a dynamic object, set the version index to
7995         VER_NDX_LOCAL.
7996         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7997         symbol_is_local.
7998         (Symbol_table::add_from_pluginobj): Likewise.
7999         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8000
8001 2010-01-11  Doug Kwan  <dougkwan@google.com>
8002
8003         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8004         (incremental_dump_LDADD): Add linking option for libintl.
8005         * Makefile.in: Regenerate.
8006
8007 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8008
8009         PR gold/11144
8010         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8011         instead of -Ds.
8012         * testsuite/Makefile.in: Regenerated.
8013
8014 2010-01-10  Doug Kwan  <dougkwan@google.com>
8015
8016         * options.h (DEFINE_var): Use parentheses around argument varname__
8017         in macro body to avoid any unintended subsequent substitutions.
8018
8019 2010-01-10  Ian Lance Taylor  <iant@google.com>
8020
8021         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8022         candidates before doing symbol resolution.
8023
8024         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8025         ODR candidates if only one is weak.
8026
8027 2010-01-08  Ian Lance Taylor  <iant@google.com>
8028
8029         * script.cc (Version_script_info::build_expression_list_lookup):
8030         Don't warn about ambiguous version, just record the ambiguity.
8031         (Version_script_info::get_symbol_version_helper): Give error if
8032         version is ambiguous.
8033
8034 2010-01-08  Doug Kwan  <dougkwan@google.com>
8035
8036         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8037         prev_data_size_ and prev_addralign_.  Remove initializer for
8038         deleted data member has_been_changed_.
8039         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8040         to determine if the table is empty.
8041         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8042         Remove.
8043         (Stub_table::add_reloc_stub): Define method in class definition
8044         instead of just declaring it there.
8045         (Stub_table::add_cortex_a8_stub): New method definition.
8046         (Stub_table::update_data_size_and_addralign): Ditto.
8047         (Stub_table::finalize_stubs): Ditto.
8048         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8049         (Stub_table::do_addralign_): Return address alignment in the
8050         (Stub_table::do_reset_address_and_file_offset): Define method in
8051         class definition instead of declaring it there.  Set current data
8052         size to be the data size of the previous pass.
8053         (Stub_table::set_final_data_size): Use current data size as the
8054         final data size.
8055         (Stub_table::relocate_stub): Change parameter type of stub from
8056         Reloc_stub pointer to Stub pointer.
8057         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8058         (Stub_table::Cortex_a8_stub_list): New typedef.
8059         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8060          Stub_table::prev_addralign_): New data member.
8061         (Arm_relobj::Arm_relobj): Initialize data member
8062         section_has_cortex_a8_workaround_.
8063         (Arm_relobj::section_has_cortex_a8_workaround,
8064          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8065          definitions.
8066         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8067         declarations.
8068         (Target_arm::relocate_stub): Change parameter type of stub from
8069         Reloc_stub pointer to Stub pointer.
8070         (Insn_template::size, Insn_template::alignment): Handle
8071         THUMB16_SPECIAL_TYPE.
8072         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8073          Stub_table::update_data_size_and_addralign,
8074          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8075         definitions.
8076         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8077         (Stub_table::do_write): Ditto.
8078         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8079
8080 2010-01-08  Ian Lance Taylor  <iant@google.com>
8081
8082         PR 11108
8083         * symtab.h (class Symbol): Remove fields is_target_special_ and
8084         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8085         (Symbol::is_defined_in_discarded_section): New function.
8086         (Symbol::set_is_defined_in_discarded_section): New function.
8087         (Symbol::has_plt_offset): Rewrite.
8088         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8089         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8090         Don't initialize is_target_special_ or has_plt_offset_.
8091         Initialize is_defined_in_discarded_section_.
8092         (Symbol_table::add_from_relobj): If appropriate, set
8093         is_defined_in_discarded_section.
8094         * resolve.cc (Symbol::override_base_with_special): Don't test
8095         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8096         * target-reloc.h (relocate_section): Do special handling for
8097         symbols defined in discarded sections for global symbols as well
8098         as local symbols.
8099
8100 2010-01-08  Ian Lance Taylor  <iant@google.com>
8101
8102         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8103         the SHT_SYMTAB case.
8104
8105 2010-01-08  Ian Lance Taylor  <iant@google.com>
8106
8107         * object.cc (Sized_relobj::do_layout): Don't get confused if
8108         layout_eh_frame returns NULL.
8109
8110 2010-01-08  Ian Lance Taylor  <iant@google.com>
8111
8112         PR 11084
8113         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8114         dynamic symbol table, use the normal symbol table.
8115         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8116         symbol table.
8117
8118 2010-01-08  Ian Lance Taylor  <iant@google.com>
8119
8120         PR 11072
8121         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8122         sections.
8123
8124 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8125
8126         * version.cc (print_version): Change to "Copyright 2010".
8127
8128 2010-01-08  Ian Lance Taylor  <iant@google.com>
8129
8130         PR 10287
8131         PR 11063
8132         * i386.cc (class Target_i386): Change return type of plt_section
8133         to be non-const.
8134         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8135         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8136         tls_desc_rel_ field.
8137         (Output_data_plt_i386::rel_tls_desc): New function.
8138         (Target_i386::rel_tls_desc_section): New function.
8139         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8140         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8141         R_386_TLS_DESC reloc in rel_tls_desc_section.
8142         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8143         Define struct Tlsdesc_info.
8144         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8145         (Target_x86_64::do_reloc_symbol_index): New function.
8146         (Target_x86_64::add_tlsdesc_info): New function.
8147         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8148         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8149         tlsdesc_rel_ field.
8150         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8151         all callers.
8152         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8153         (Target_x86_64::rela_tlsdesc_section): New function.
8154         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8155         handling.
8156         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8157         (Target_x86_64::do_reloc_addend): New function.
8158         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8159         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8160         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8161         (Output_reloc::type): New function.
8162         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8163         (Output_reloc::is_target_specific): New function.
8164         (Output_reloc::target_arg): New function.
8165         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8166         absolute relocs and target specific relocs.
8167         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8168         add_target_specific.
8169         (class Output_data_reloc) [SHT_RELA]: Likewise.
8170         * output.cc (Output_reloc::Output_reloc): Add four new versions
8171         for absolute relocs and target specific relocs.
8172         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8173         (Output_reloc::get_symbol_index): Likewise.
8174         (Output_reloc::local_section_offset): Check that local_sym_index_
8175         is not TARGET_CODE or 0.
8176         (Output_reloc::symbol_value): Likewise.
8177         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8178         reloc.
8179         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8180         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8181         functions.
8182         * layout.cc (add_target_dynamic_tags): Use output section for
8183         DT_PLTRELSZ and DT_JMPREL.
8184
8185 2010-01-07  Ian Lance Taylor  <iant@google.com>
8186
8187         PR 11061
8188         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8189         function.
8190         (class Output_data_reloc_generic): Define.
8191         (class Output_data_reloc_base): Change base class to
8192         Output_data_reloc_generic.  Change add() method to call
8193         bump_relative_reloc_count for a relative reloc.  Remove
8194         sort_relocs_ field.
8195         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8196         to sort_relocs().
8197         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8198         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8199         appropriate.
8200         * layout.h (class Layout): Update declaration.
8201
8202 2010-01-07  Ian Lance Taylor  <iant@google.com>
8203
8204         * output.h (class Output_data): Add const version of
8205         output_section and do_output_section.
8206         (class Output_section_data): Add const version of
8207         do_output_section.
8208         (class Output_section): Likewise.
8209         * layout.cc (Layout::add_target_dynamic_tags): New function.
8210         * layout.h (class Layout): Update declarations.
8211         * arm.cc (Target_arm::do_finalize_sections): Use
8212         add_target_dynamic_tags.
8213         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8214         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8215         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8216         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8217
8218 2010-01-07  Ian Lance Taylor  <iant@google.com>
8219
8220         PR 11042
8221         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8222         object as needed.
8223
8224 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8225             Ian Lance Taylor  <iant@google.com>
8226
8227         PR 11019
8228         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8229         Xindex::read_symtab_xindex.
8230
8231 2010-01-07  Doug Kwan  <dougkwan@google.com>
8232
8233         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8234         (Insn_template::thumb16_bcond_insn): New method declaration.
8235         (Insn_template): Fix spelling.
8236         (Stub::thumb16_special): New method declaration.
8237         (Stub::do_write): Define virtual method which was previously pure
8238         virtual.
8239         (Stub::do_thumb16_special): New method declaration.
8240         (Stub::do_fixed_endian_write): New template member.
8241         (Reloc_stub::do_write): Remove.
8242         (Reloc_stub::do_fixed_endian_write): Remove.
8243         (Cortex_a8_stub): New class definition.
8244         (Stub_factory::make_cortex_a8_stub): New method definition.
8245         (Stub_factory::Stub_factory): Add missing static storage class
8246         qualifier for elf32_arm_stub_a8_veneer_blx.
8247
8248 2010-01-07  Ian Lance Taylor  <iant@google.com>
8249
8250         PR 10980
8251         * options.h (class General_options): Add --warn-unresolved-symbols
8252         and --error-unresolved-symbols.
8253         * errors.cc (Errors::undefined_symbol): Implement
8254         --warn-unresolved-symbols.
8255
8256         * options.h (class General_options): Add -z text and -z textoff.
8257         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8258
8259 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8260
8261         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8262         (Garbage_collection::cident_sections): New function.
8263         (Garbage_collection::add_cident_section): New function.
8264         (Garbage_collection::cident_sections_): New member.
8265         (gc_process_relocs): Add references to sections whose names are C
8266         identifiers.
8267         * gold.h (cident_section_start_prefix): New constant.
8268         (cident_section_stop_prefix): New constant.
8269         (is_cident): New function.
8270         * layout.cc (Layout::define_section_symbols): Replace string constants
8271         with the newly defined constants.
8272         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8273         C identifiers.
8274         * testsuite/Makefile.am: Add gc_orphan_section_test.
8275         * testsuite/Makefile.in: Regenerate.
8276         * testsuite/gc_orphan_section_test.cc: New file.
8277         * testsuite/gc_orphan_section_test.sh: New file.
8278
8279 2010-01-06  Ian Lance Taylor  <iant@google.com>
8280
8281         PR 10980
8282         * options.h (class General_options): Add --warn-shared-textrel.
8283         * layout.cc (Layout::finish_dynamic_section): Implement
8284         --warn-shared-textrel.
8285
8286         PR 10980
8287         * options.h (class General_options): Add --warn-multiple-gp.
8288
8289 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8290
8291         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8292         $(THREADSLIB) and $(LIBDL).
8293         * Makefile.in: Rebuild.
8294
8295 2010-01-06  Ian Lance Taylor  <iant@google.com>
8296
8297         PR 10980
8298         * options.cc (General_options::parse_section_start): New function.
8299         (General_options::section_start): New function.
8300         (General_options::General_options): Initialize all members.
8301         * options.h: Include <map>
8302         (class General_options): Add --section-start.  Add section_starts_
8303         member.
8304         * layout.cc (Layout::attach_allocated_section_to_segment): If
8305         --section-start was used, set the address of the segment.  Remove
8306         local sort_sections.
8307         (Layout::relaxation_loop_body): If the address of the load segment
8308         has been set by --section-start, don't use it.
8309         * output.h (Output_segment::update_flags_for_output_section): New
8310         function.
8311         * output.cc (Output_segment::add_output_section): Call
8312         update_flags_for_output_section.
8313
8314 2010-01-05  Ian Lance Taylor  <iant@google.com>
8315
8316         PR 10980
8317         * options.h (class General_options): Add --undefined-version.
8318         * script.cc (struct Version_expression): Add was_matched_by_symbol
8319         field.
8320         (Version_script_info::matched_symbol): New function.
8321         (Version_script_info::get_symbol_version_helper): Call
8322         matched_symbol.
8323         (Version_script_info::check_unmatched_names): New function.
8324         * script.h (class Version_script_info): Update declarations.
8325         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8326
8327         * options.h (class General_options): Use DEFINE_bool_alias for
8328         allow_multiple_definition.
8329         * resolve.cc (Symbol_table::should_override): Don't test
8330         allow_multiple_definition.
8331
8332         PR 10980
8333         * options.h (class General_options): Add --cref.
8334         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8335         until after printing cref table.
8336         * cref.cc: Include "symtab.h".
8337         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8338         (Cref_table_compare::operator()): New function.
8339         (Cref_inputs::gather_cref): New function.
8340         (filecol): New static const.
8341         (Cref_inputs::print_cref): New function.
8342         (Cref::print_cref): New function.
8343         * cref.h: Include <cstdio>.
8344         (class Cref): Update declarations.
8345         * mapfile.h (Mapfile::file): New function.
8346         * object.h (class Object): Define Symbols.  Declare virtual
8347         do_get_global_symbols.
8348         (Object::get_global_symbols): New function.
8349         * object.cc (Input_objects::add_object): Pass object to cref_ if
8350         --cref.
8351         (Input_objects::archive_start): Likewise.
8352         (Input_objects::archive_stop): Likewise.
8353         (Input_objects::print_cref): New function.
8354         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8355         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8356         --cref.
8357         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8358         function.
8359         * plugin.h (class Sized_pluginobj): Update declarations.
8360
8361 2010-01-05  Ian Lance Taylor  <iant@google.com>
8362
8363         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8364         to is_default_version.  Rename insdef to insdefault.
8365         (Symbol_table::add_from_relobj): Rename def to is_default_version
8366         and local to is_forced_local.
8367         (Symbol_table::add_from_pluginobj): Likewise.
8368         (Symbol_table::add_from_dynobj): Likewise.
8369         (Symbol_table::define_special_symbol): Rename insdef to
8370         insdefault.
8371
8372 2010-01-04  Ian Lance Taylor  <iant@google.com>
8373
8374         PR 10980
8375         * options.h (class General_options): Add
8376         --allow-multiple-definition and -z muldefs.
8377         * resolve.cc (Symbol_table::should_override): Don't warn about a
8378         multiple symbol definition if --allow-multiple-definition or -z
8379         muldefs.
8380
8381         PR 10980
8382         * options.h (class General_options): Add --add-needed and
8383         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8384         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8385         error if --copy-dt-needed-entries aka --add-needed is used and
8386         would cause a change in behaviour.
8387
8388         PR 10980
8389         * options.h (class General_options): Add -G as a short version of
8390         --shared.  Add no-op options -assert, -g, and -i.
8391
8392 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8393
8394         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8395         check for .text or .gnu.linkonce.t sections.
8396         * icf.cc (Icf::find_identical_sections): Ditto.
8397         Change the detection for mangled function name within the section
8398         name.
8399         * icf.h (is_section_foldable_candidate): New function.
8400
8401 2009-12-30  Ian Lance Taylor  <iant@google.com>
8402
8403         PR 10980
8404         * options.h (class General_options): Permit two dashes with
8405         --retain-symbols-file.
8406
8407 2009-12-30  Ian Lance Taylor  <iant@google.com>
8408
8409         PR 10979
8410         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8411         don't put the file header and segment headers in the text
8412         segment.
8413
8414         PR 10979
8415         * common.cc (Sort_commons::operator()): Stabilize sort when both
8416         entries are NULL.
8417         (Symbol_table::do_allocate_commons_list): When allocating common
8418         symbols, skip a symbol which is no longer common.
8419         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8420         an object before checking its type.
8421         * testsuite/common_test_2.c: New file.
8422         * testsuite/common_test_3.c: New file.
8423         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8424         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8425         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8426         (common_test_2_pic.o, common_test_2.so): New targets.
8427         (common_test_3_pic.o, common_test_3.so): New targets.
8428         * testsuite/Makefile.in: Rebuild.
8429
8430         PR 10979
8431         * script.cc (read_input_script): If we see a new SECTIONS clause,
8432         and we have added an input section, give an error.
8433         * layout.h (class Layout): Add have_added_input_section function.
8434         Add have_added_input_section_ field.
8435         * layout.cc (Layout::Layout): Initialize
8436         have_added_input_section_.
8437         (Layout::layout): Set have_added_input_section_.
8438         (Layout::layout_eh_frame): Likewise.
8439
8440 2009-12-30  Ian Lance Taylor  <iant@google.com>
8441
8442         PR 10931
8443         * options.h (class General_options): Add --sort-common option.
8444         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8445         * common.cc (Sort_common): Add sort_order parameter to
8446         constructor.  Add sort_order_ field.
8447         (Sort_commons::operator): Check sort_order_.
8448         (Symbol_table::allocate_commons): Determine the sort order.
8449         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8450         Change all callers.
8451         (Symbol_table::do_allocate_commons_list): Likewise.
8452
8453 2009-12-30  Ian Lance Taylor  <iant@google.com>
8454
8455         PR 10916
8456         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8457         symbols from this object, don't change the visibility of an
8458         undefined symbol.
8459         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8460
8461 2009-12-30  Ian Lance Taylor  <iant@google.com>
8462
8463         PR 10861
8464         * script.h (class Version_script_info): Define Language enum.
8465         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8466         new fields globals_, locals_, and is_finalized_.
8467         * script.cc: Various formatting fixes.
8468         (class Parser_closure): Change language_stack_ from a vector of
8469         std::string to one of Version_script_info::Language.  Adjust all
8470         uses accordingly.
8471         (class Lazy_demangler): Remove.
8472         (struct Version_expression): Change language from std::string to
8473         Version_script_info::Language.
8474         (Version_script_info::Version_script_info): New function.
8475         (Version_script_info::~Version_script_info): Don't call clear.
8476         (Version_script_info::finalize): New function.
8477         (Version_script_info::build_lookup_tables): New function.
8478         (Version_script_info::build_expression_list_lookup): New
8479         function.
8480         (Version_script_info::get_symbol_version_helper): Rewrite to use
8481         lookup tables.
8482         (Version_script_info::print_expression_list): Adjust to use
8483         Version_script_info::Language.
8484         (script_push_lex_into_version_mode): Check that the version script
8485         has not been finalized.
8486         (version_script_push_lang): Change language string to
8487         Version_script_info::Language.
8488         * options.cc (Command_line::version_script): New function.
8489         * options.h (class General_options): Add finalize_dynamic_list
8490         function.  Change version_script from declaration to definition.
8491         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8492         * testsuite/version_script.map: Remove duplicate def of foo.
8493         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8494         version_script.map.
8495         * testsuite/Makefile.in: Rebuild.
8496
8497 2009-12-30  Ian Lance Taylor  <iant@google.com>
8498
8499         PR 10843
8500         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8501         if the input symbol index is 0, make the output symbol index 0.
8502
8503 2009-12-30  Ian Lance Taylor  <iant@google.com>
8504
8505         PR 10670
8506         * options.h (class General_options): Add -x/--discard-all.
8507         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8508         --discard-all.  If the local symbol needs a dynamic entry, check
8509         that before handling --discard-locals.
8510
8511 2009-12-30  Ian Lance Taylor  <iant@google.com>
8512
8513         PR 10450
8514         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8515         flags to PF_R.
8516         (Output_segment::add_output_section): Don't change the flags if
8517         the type is PT_TLS.
8518
8519         PR 10450
8520         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8521         GNU hash table if they need a dynamic value.  Otherwise, don't add
8522         them if they are defined in a dynamic object or are forced local.
8523
8524 2009-12-29  Ian Lance Taylor  <iant@google.com>
8525
8526         PR 10450
8527         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8528         .gnu.hash table for a 32-bit target.
8529
8530         PR 10450
8531         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8532         regular and a dynamic object only needs a dynamic symbol table
8533         entry if it is externally visible.
8534
8535         PR 10450
8536         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8537         constructor.  Add global_offset_table_ field.
8538         (Target_i386::got_section): Set global_offset_table_.
8539         (Target_i386::do_finalize_sections): Set global_offset_table_
8540         size.
8541         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8542         in constructor.  Add global_offset_table_ field.
8543         (Target_x86_64::got_section): Set global_offset_table_.
8544         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8545         size.
8546
8547         * layout.cc (Layout::Layout): Initialize increase_relro_.
8548         (Layout::get_output_section): Add is_relro, is_last_relro, and
8549         is_first_non_relro parameters.  Change all callers.
8550         (Layout::choose_output_section): Likewise.
8551         (Layout::add_output_section_data): Likewise.
8552         (Layout::make_output_section): Likewise.
8553         (Layout::set_segment_offsets): Clear increase_relro when using a
8554         linker script.
8555         * layout.h (class Layout): Add increase_relro method.  Add
8556         increase_relro_ field.  Update declarations.
8557         * output.cc (Output_section::Output_section): Initialize
8558         is_last_relro_ and is_first_non_relro_.
8559         (Output_segment::add_output_section): Group relro sections is
8560         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8561         (Output_segment::maximum_alignment): Remove relro handling.
8562         (Output_segment::set_section_addresses): Add increase_relro
8563         parameter.  Change all callers.  Add initial alignment to align
8564         relro sections on separate page.  Remove old relro handling.
8565         (Output_segment::set_section_list_addresses): Remove in_relro
8566         parameter.  Change all callers.
8567         (Output_segment::set_offset): Add increase parameter.  Change all
8568         callers.  Remove old relro handling.
8569         * output.h (class Output_section): Add new methods: is_last_relro,
8570         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8571         Add is_last_relro_ and is_first_non_relro_ fields.
8572         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8573         Create separate .got.plt section.  Call increase_relro.
8574         * x86_64.cc (Target_x86_64::got_section): Likewise.
8575         * testsuite/relro_script_test.t: Add .got.plt.
8576
8577         PR 10450
8578         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8579         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8580         (Layout::finalize): Call set_dynamic_symbol_size.
8581         (Layout::set_dynamic_symbol_size): New function.
8582         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8583         set_dynamic_symbol_size.
8584
8585         PR 10450
8586         * output.h (class Output_section): Add is_entsize_zero_ field.
8587         * output.cc (Output_section::Output_section): Initialize
8588         is_entsize_zero_.
8589         (Output_section::set_entsize): If two different entsizes are
8590         requested, force it to zero.
8591         (Output_section::add_input_section): Set flags for .debug_str
8592         before updating section flags.  Set entsize.
8593         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8594         and SHF_STRING if all input sections have those flags.
8595
8596 2009-12-29   Rafael Espindola  <espindola@google.com>
8597
8598         * main.cc (main): Fix the sys time reporting.
8599         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8600         reporting.
8601
8602 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8603
8604         * options.cc (General_options::parse_version): Allow -v to exit
8605         without an error if there is nothing to link.
8606
8607 2009-12-29  Ian Lance Taylor  <iant@google.com>
8608
8609         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8610         using a version of gcc before 4.1.
8611         * configure: Rebuild.
8612
8613 2009-12-28  Chris Demetriou  <cgd@google.com>
8614
8615         * attributes.cc (Output_attributes_section_data::do_write): Use
8616         std::vector::front rather than std::vector::data.
8617
8618 2009-12-28  Ian Lance Taylor  <iant@google.com>
8619
8620         * symtab.h (class Symbol_table): Add enum Defined.
8621         * resolve.cc (Symbol_table::should_override): Add defined
8622         parameter.  Change all callers.  Test whether object is NULL
8623         before calling a method on it.
8624         (Symbol_table::report_resolve_problem): Add defined parameter.
8625         Change all callers.
8626         (Symbol_table::should_override_with_special): Likewise.
8627         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8628         parameter.  Change all callers.
8629         (Symbol_table::do_define_in_output_data): Likewise.
8630         (Symbol_table::define_in_output_segment): Likewise.
8631         (Symbol_table::do_define_in_output_segment): Likewise.
8632         (Symbol_table::define_as_constant): Likewise.
8633         (Symbol_table::do_define_as_constant): Likewise.
8634         * script.h (class Symbol_assignment): Add is_defsym parameter to
8635         constructor; change all callers.
8636         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8637         parameter.  Change all callers.  Add is_defsym_ field.
8638         (class Parser_closure): Add parsing_defsym parameter to
8639         constructor; change all callers.  Add parsing_defsym accessor
8640         function.  Add parsing_defsym_ field.
8641
8642 2009-12-28  Ian Lance Taylor  <iant@google.com>
8643
8644         * gold.cc (queue_middle_tasks): Fix formatting.
8645         * object.cc (Relobj::is_section_name_included): Likewise.
8646
8647 2009-12-23  Ian Lance Taylor  <iant@google.com>
8648
8649         * i386.cc (Target_i386::do_calls_non_split): Recognize
8650         -fsplit-stack prologue for a function with a static chain.
8651         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8652         -fsplit-stack prologue when using %r11.
8653
8654 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8655
8656         * options.cc (General_options::parse_version): Make -v continue and do
8657         the link like GNU ld does.
8658
8659 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8660
8661         * Makefile.am (CCFILES): Add timer.cc.
8662         (HFILES): Add timer.h.
8663         * configure.ac: Check for sysconf and times.
8664         * main.cc: include timer.h.
8665         (main): Use Timer instead of get_run_time.
8666         * timer.cc: New.
8667         * timer.h: New.
8668         * workqueue.cc: include timer.h.
8669         (Workqueue::find_and_run_task):
8670         Report user, sys and wall time.
8671         * Makefile.in: Regenerate.
8672         * config.in: Regenerate.
8673         * configure: Regenerate.
8674
8675 2009-12-16  Doug Kwan  <dougkwan@google.com>
8676
8677         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8678         sections.
8679         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8680         relaxed input sections.
8681         * output.cc (Output_section::find_relaxed_input_section): Change
8682         return type to Output_relaxed_input_section pointer.  Adjust code
8683         for new type of relaxed_input_section_map_.
8684         * output.h (Output_section::find_relaxed_input_section): Change
8685         return type to Output_relaxed_input_section pointer.
8686         (Output_section::Output_relaxed_input_section_by_input_section_map):
8687         New type.
8688         (Output_section::relaxed_input_section_map_): Change type to
8689         Output_section::Output_relaxed_input_section_by_input_section_map.
8690         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8691         input section.
8692
8693 2009-12-15  Ian Lance Taylor  <iant@google.com>
8694
8695         * layout.cc (Layout::create_shstrtab): Only write out after input
8696         sections if we are compressing debug sections.
8697
8698 2009-12-15  Ian Lance Taylor  <iant@google.com>
8699
8700         * archive.cc (Archive::add_symbols): Only look up a symbol without
8701         a version if there is, in fact, a version.
8702
8703 2009-12-14  Ian Lance Taylor  <iant@google.com>
8704
8705         Revert -Wshadow changes, all changes from:
8706         2009-12-11  Doug Kwan  <dougkwan@google.com>
8707         2009-12-11  Nick Clifton  <nickc@redhat.com>
8708         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8709
8710 2009-12-11  Doug Kwan  <dougkwan@google.com>
8711
8712         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8713         due to -Wshadow.
8714         * attributes.cc (Object_attribute::size): Ditto.
8715         (Attributes_section_data::size): Ditto.
8716         (Attributes_section_data::Attributes_section_data): Ditto.
8717         (Output_attributes_section_data::do_write): Ditto.
8718         * attributes.h (Object_attribute::set_type): Ditto.
8719         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8720
8721 2009-12-11  Nick Clifton  <nickc@redhat.com>
8722
8723         * archive.cc: Fix shadowed variable warnings.
8724         * arm.cc: Likewise.
8725         * compressed_output.cc: Likewise.
8726         * compressed_output.h: Likewise.
8727         * configure: Likewise.
8728         * dwarf_reader.cc: Likewise.
8729         * dynobj.cc: Likewise.
8730         * dynobj.h: Likewise.
8731         * ehframe.cc: Likewise.
8732         * ehframe.h: Likewise.
8733         * errors.cc: Likewise.
8734         * expression.cc: Likewise.
8735         * fileread.cc: Likewise.
8736         * fileread.h: Likewise.
8737         * freebsd.h: Likewise.
8738         * i386.cc: Likewise.
8739         * icf.cc: Likewise.
8740         * incremental.h: Likewise.
8741         * layout.cc: Likewise.
8742         * layout.h: Likewise.
8743         * mapfile.cc: Likewise.
8744         * merge.cc: Likewise.
8745         * merge.h: Likewise.
8746         * object.cc: Likewise.
8747         * object.h: Likewise.
8748         * options.h: Likewise.
8749         * output.cc: Likewise.
8750         * output.h: Likewise.
8751         * parameters.cc: Likewise.
8752         * plugin.cc: Likewise.
8753         * powerpc.cc: Likewise.
8754         * reduced_debug_output.cc: Likewise.
8755         * reduced_debug_output.h: Likewise.
8756         * reloc.cc: Likewise.
8757         * reloc.h: Likewise.
8758         * resolve.cc: Likewise.
8759         * script-sections.cc: Likewise.
8760         * script.cc: Likewise.
8761         * script.h: Likewise.
8762         * sparc.cc: Likewise.
8763         * symtab.cc: Likewise.
8764         * symtab.h: Likewise.
8765         * target-select.cc: Likewise.
8766         * target-select.h: Likewise.
8767         * token.h: Likewise.
8768         * workqueue.cc: Likewise.
8769         * workqueue.h: Likewise.
8770         * x86_64.cc: Likewise.
8771
8772 2009-12-10  Doug Kwan  <dougkwan@google.com>
8773
8774         * arm.cc (attributes.h): New include.
8775         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8776         (Arm_relobj::~Arm_relobj): Delete object pointed by
8777         attributes_section_data_.
8778         (Arm_relobj::attributes_section_data): New method definition.
8779         (Arm_relobj::attributes_section_data_): New data member declaration.
8780         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8781         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8782         attributes_section_data_.
8783         (Arm_dynobj::attributes_section_data): New method definition.
8784         (Arm_dynobj::attributes_section_data_): New data member declaration.
8785         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8786         initialization value of may_use_blx_ to false.
8787         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8788         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8789         object attributes to compute results instead of hard-coding.
8790         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8791         Target_arm::get_secondary_compatible_arch,
8792         Target_arm::set_secondary_compatible_arch
8793         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8794         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8795         New method declarations.
8796         (Target_arm::get_aeabi_object_attribute): New method definition.
8797         (Target_arm::attributes_section_data_): New data member declaration.
8798         (read_arm_attributes_section): New template definition.
8799         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8800         (Arm_dynobj::do_read_symbols): Ditto.
8801         (Target_arm::do_finalize_sections): Merge attributes sections from
8802         input.  Check for BLX use after attributes section merging.
8803         Fix __exidx_start and __exidx_end visibility.  Create an
8804         .ARM.attributes section if necessary.
8805         (Target_arm::get_secondary_compatible_arch,
8806         Target_arm::set_secondary_compatible_arch,
8807         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8808         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8809         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8810         New method definitions.
8811
8812 2009-12-09  Ian Lance Taylor  <iant@google.com>
8813
8814         * plugin.cc (Plugin::load): Don't cast from void* to a function
8815         pointer.
8816
8817 2009-12-09  Ian Lance Taylor  <iant@google.com>
8818
8819         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8820         information fields.
8821
8822 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8823
8824         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8825         Replace two_file_shared_1.so with two_file_shared_2.so.
8826         * testsuite/Makefile.in: Regenerated.
8827
8828 2009-12-08  Doug Kwan  <dougkwan@google.com>
8829
8830         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8831         (HFILES): Add attributes.h and int_encoding.h.
8832         * Makefile.in: Regenerate.
8833         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8834         function definitions to int_encoding.cc
8835         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8836         prototypes to int_encoding.h
8837         * reduced_debug_output.cc (int_encoding.h): New include.
8838         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8839         function definitions to int_encoding.cc
8840         (insert_into_vector, read_from_pointer): Move template definitions to
8841         int_encoding.h
8842         * attributes.cc: New file.
8843         * attributes.h: New file.
8844         * int_encoding.cc: New file.
8845         * int_encoding.h: New file.
8846
8847 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8848
8849         PR gold/11055
8850         * incremental-dump.cc (dump_incremental_inputs): New.
8851         (main): Use dump_incremental_inputs.
8852
8853 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8854
8855         PR gold/10893
8856         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8857         checking elfcpp::STT_FUNC.
8858         (Target_i386::Relocate::relocate): Likewise.
8859         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8860
8861         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8862         symbols from shared libraries into normal FUNC symbols.
8863
8864         * symtab.h (Symbol): Add is_func and use it.
8865
8866 2009-12-05  Doug Kwan  <dougkwan@google.com>
8867
8868         * arm.cc (Target_arm::arm_info): Initialize new fields
8869         attributes_section and attributes_vendor.
8870         * i386.cc (Target_i386::i386_info): Same.
8871         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8872         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8873         fields attributes_section and attributes_vendor.
8874         * sparc.cc (Target_sparc::sparc_info): Same.
8875         * target.h (Target::attributes_section, Target::attributes_vendor,
8876         Target::is_attributes_section, Target::attribute_arg_type,
8877         Target::attributes_order): New method definitions.
8878         (Target::Target_info::attributes_section,
8879         Target::Target_info::attributes_vendor): New fields.
8880         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8881         virtual method definitions.
8882         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8883         attributes_section and attributes_vendor.
8884         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8885
8886 2009-12-05  Doug Kwan  <dougkwan@google.com>
8887
8888         * arm.cc: Update comments about interworking and stub generation.
8889         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8890         considered as non-PIC.
8891         (Arm_relocate_functions::base_abs): Fix formatting.
8892         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8893         of function to use GOT entry address instead of offset.
8894         (Target_arm::Scan::global): Issue an error if a symbol would need a
8895         PLT does not get one because it is untyped.  Remove code to create
8896         dynamic symbols for relative branches.
8897         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8898         takes unsigned integer instead of boolean.
8899
8900 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8901
8902         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8903         (two_file_test_LDADD): Likewise.
8904         (common_test_1_LDADD): Likewise.
8905         (exception_test_LDADD) Likewise.
8906         (weak_test_LDADD): Likewise.
8907         (many_sections_test_LDADD): Likewise.
8908         (initpri1_LDADD): Likewise.
8909         (script_test_1_LDADD): Likewise.
8910         (script_test_2_LDADD): Likewise.
8911         (justsyms_LDADD): Likewise.
8912         (binary_test_LDADD): Likewise.
8913         (large_LDADD): Likewise.
8914         * testsuite/Makefile.in: Regenerated.
8915
8916 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8917
8918         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8919         (Symbol_table::override_with_special): Likewise.
8920         (Symbol_table::add_from_object): Likewise.
8921
8922 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8923
8924         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8925         Don't set the data_offset twice.
8926
8927 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8928
8929         * testsuite/Makefile.in: Regenerate.
8930
8931 2009-12-03  Doug Kwan  <dougkwan@google.com>
8932
8933         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8934         (Target_arm::do_finalize_sections): Add parameter for symbol table
8935         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8936         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8937         parameter for symbol table pointer.
8938         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8939         an additional parameter for a pointer to symbol table.
8940         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8941         parameter for a symbol table pointer.
8942         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8943         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8944         Ditto.
8945         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8946         parameter for a symbol table pointer.
8947
8948 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8949
8950         * incremental.cc (Incremental_inputs_header)
8951         (Incremental_inputs_header_write, Incremental_inputs_entry)
8952         (Incremental_inputs_entry_write): Move ...
8953         * incremental.h (Incremental_inputs_header)
8954         (Incremental_inputs_header_write, Incremental_inputs_entry)
8955         (Incremental_inputs_entry_write): here.
8956
8957 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8958
8959         * incremental.cc (make_sized_incremental_binary): Set the target.
8960         Error if it is incompatible.
8961         * output.h (Output_file): Add filename method.
8962
8963 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8964
8965         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8966         from the get_* methods.
8967
8968 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8969
8970         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8971         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8972         Write 0 for the data_offset of scripts.
8973
8974 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8975
8976         * testsuite/Makefile.am: Add the incremental_test.sh test.
8977         * testsuite/incremental_test.sh: New.
8978         * testsuite/incremental_test_1.c: New.
8979         * testsuite/incremental_test_2.c: New.
8980
8981 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8982
8983         * incremental-dump.cc (main): Fix typos.
8984
8985 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8986
8987         PR gold/11025
8988         * incremental-dump.cc (main): Use llu to print 64 bit values.
8989
8990 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8991             H.J. Lu  <hongjiu.lu@intel.com>
8992
8993         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8994         $(LIBDL).
8995         (incremental_dump_LDADD): Likewise.
8996         * Makefile.in: Regenerated.
8997
8998 2009-11-25  Doug Kwan  <dougkwan@google.com>
8999
9000         Revert:
9001
9002         2009-11-25  Doug Kwan  <dougkwan@google.com>
9003
9004                 * arm.cc (Target_arm::Target_arm): Move method definition
9005                 outside of class definition.  Add code to handle
9006                 --target1-rel, --target1-abs and --target2= options.
9007                 (Target_arm::get_reloc_reloc_type): Change method to be
9008                 non-static and const.
9009                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9010                 New data member declaration.
9011                 (Target_arm::Scan::local, Target_arm::Scan::global,
9012                 Target_arm::Relocate::relocate,
9013                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9014                 Adjust call to Target_arm::get_real_reloc_type.
9015                 (Target_arm::get_real_reloc_type): Use command line options
9016                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9017                 * options.h (--target1-rel, --target1-abs, --target2): New
9018                 ARM-only options.
9019
9020 2009-11-25  Doug Kwan  <dougkwan@google.com>
9021
9022         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9023         class definition.  Add code to handle --target1-rel, --target1-abs
9024         and --target2= options.
9025         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9026         and const.
9027         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9028         member declaration.
9029         (Target_arm::Scan::local, Target_arm::Scan::global,
9030         Target_arm::Relocate::relocate,
9031         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9032         call to Target_arm::get_real_reloc_type.
9033         (Target_arm::get_real_reloc_type): Use command line options to
9034         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9035         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9036         options.
9037
9038 2009-11-25  Doug Kwan  <dougkwan@google.com>
9039
9040         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9041         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9042         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9043         formatting.
9044         (Arm_relocate_functions::thm_call): Replace body with a call to
9045         Arm_relocate_functions::thumb_branch_common.
9046         (Arm_relocate_functions::thm_jump24,
9047         Arm_relocate_functions::thm_xpc22): New method definitions.
9048         (Arm_relocate_functions::thumb_branch_common): New method definition.
9049         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9050         operator.
9051         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9052         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9053
9054 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9055
9056         * Makefile.am: Build incremental-dump
9057         * Makefile.in: Regenerate.
9058         * incremental-dump.cc: New.
9059         * incremental.cc (Incremental_inputs_header_data,
9060         Incremental_inputs_entry_data): Move to incremental.h
9061         * incremental.h: (Incremental_inputs_header_data,
9062         Incremental_inputs_entry_data): Move from incremental.cc
9063
9064 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9065
9066         * incremental.cc (Incremental_inputs_header,
9067         Incremental_inputs_header_write, Incremental_inputs_entry,
9068         Incremental_inputs_entry_write): Add a typedef with the data type.
9069
9070 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9071
9072         * incremental.cc (Incremental_inputs_header,
9073         Incremental_inputs_header_write, Incremental_inputs_entry,
9074         Incremental_inputs_entry_write): Update comment about which
9075         type has the filed descriptions.
9076
9077 2009-11-15  Doug Kwan  <dougkwan@google.com>
9078
9079         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9080         (Arm_relocate_functions::arm_branch_common): Change method defintion
9081         in class definition to a method declaration and update list of formal
9082         parameters.
9083         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9084         Arm_relocation_functions::jump24): Adjust call to
9085         Arm_relocate_functions::arm_branch_common.  Update list of formal
9086         parameters.
9087         (Arm_relocate_functions::xpc25): New method definition.
9088         (Arm_relocate_functions::arm_branch_common): Move method defintion
9089         out from class definition.  Use stubs for mode-switching and extending
9090         branch ranges.
9091         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9092         specially.  Change code to enable use of stubs in ARM branches.
9093
9094 2009-11-10  Doug Kwan  <dougkwan@google.com>
9095
9096         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9097         in method declaration.
9098         (Target_arm::relocate_stub): New method declaration.
9099         (Target_arm::default_target): Change to return a pointer instead of
9100         a const reference.
9101         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9102         Target_arm::default_target.
9103         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9104         method definition.
9105         (Target_arm::relocate_section): Adjust view.
9106         (Target_arm::relocate_stub): New method definition.
9107
9108 2009-11-10  Doug Kwan  <dougkwan@google.com>
9109
9110         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9111         a format warning.
9112         * incremental.cc (open_incremental_binary): Initialized local
9113         variables to avoid warnings.
9114         * object.cc (make_elf_object): Ditto.
9115         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9116         a format warning.
9117
9118 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9119
9120         PR gold/10930
9121         * testsuite/plugin_test.c: Include "config.h".
9122
9123 2009-11-09  Doug Kwan  <dougkwan@google.com>
9124
9125         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9126         (arm_symbol_value): Remove.
9127         (Arm_relocate_functions::arm_branch_common,
9128         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9129         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9130         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9131         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9132         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9133         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9134         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9135         Arm_relocate_functions::thm_mobw_abs_nc,
9136         Arm_relocate_functions::thm_mov_abs,
9137         Arm_relocate_functions::movw_prel_nc,
9138         Arm_relocate_functions::thm_movt_abs,
9139         Arm_relocate_functions::movt_prel,
9140         Arm_relocate_functions::thm_movw_prel_nc,
9141         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9142         (Target_arm::Relocate::relocate): Only decompose address into two
9143         parts if relocation type uses the thumb-bit and pass the actual
9144         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9145         calls to methods in Arm_relocate_functions for this change.
9146
9147 2009-11-08  Ian Lance Taylor  <iant@google.com>
9148
9149         PR 10925
9150         * reloc.cc: Instantiate
9151         Sized_relobj::initialize_input_to_output_maps and
9152         Sized_relobj:free_input_to_output_maps.
9153
9154 2009-11-06  Ian Lance Taylor  <iant@google.com>
9155
9156         PR 10876
9157         * defstd.cc (in_segment): Set only_if_ref true for "end".
9158
9159 2009-11-06  Doug Kwan  <dougkwan@google.com>
9160
9161         * arm.cc (class Reloc_stub): Correct a comment.
9162         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9163         (Target_arm::scan_section_for_stubs): New method declaration.
9164         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9165         Change methods from private to protected.
9166         (Target_arm::do_may_relax): New method definition.
9167         (Target_arm::do_relax, Target_arm::group_sections,
9168         Target_arm::scan_reloc_for_stub,
9169         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9170         (Target_arm::arm_input_section_map_): New data member declaration.
9171         (Target_arm::scan_reloc_for_stub,
9172         Target_arm::scan_reloc_section_for_stubs,
9173         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9174         Target_arm::do_relax): New method definitions.
9175
9176 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9177
9178         * configure.ac: Check for (struct stat)::st_mtim
9179         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9180         * config.in: Regenerate.
9181         * configure: Regenerate.
9182
9183 2009-11-05  Ian Lance Taylor  <iant@google.com>
9184
9185         PR 10910
9186         * output.cc (Output_segment::add_output_section): Add missing
9187         return statement.
9188
9189 2009-11-04  Ian Lance Taylor  <iant@google.com>
9190
9191         PR 10880
9192         * object.h (class Object): Add is_needed and set_is_needed
9193         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9194         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9195         defined in a dynamic object and referenced by a regular object,
9196         set is_needed for the dynamic object.
9197         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9198         if the file is marked with as_needed and it is not needed.
9199
9200 2009-11-04  Ian Lance Taylor  <iant@google.com>
9201
9202         PR 10887
9203         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9204         tags if data is discarded by linker script.
9205         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9206         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9207         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9208         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9209
9210 2009-11-04  Ian Lance Taylor  <iant@google.com>
9211
9212         * layout.cc (Layout::get_output_section): Add is_interp and
9213         is_dynamic_linker_section parameters.  Change all callers.
9214         (Layout::choose_output_section): Likewise.
9215         (Layout::make_output_section): Likewise.
9216         (Layout::add_output_section_data): Add is_dynamic_linker_section
9217         parameter.  Change all callers.
9218         * layout.h (class Layout): Update declarations.
9219         * output.h (class Output_section): Add is_interp, set_is_interp,
9220         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9221         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9222         generate_code_fills_at_write_ to a bitfield.
9223         * output.cc (Output_section::Output_sections): Initialize new
9224         fields.
9225         (Output_segment::add_output_section): Add do_sort parameter.
9226         Change all callers.
9227
9228 2009-11-03  Ian Lance Taylor  <iant@google.com>
9229
9230         PR 10860
9231         * options.h (class General_options): Add --warn-common.
9232         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9233         merging two common symbols.
9234         (Symbol_table::should_override): Handle --warn-common when merging
9235         a common symbol with a defined symbol.  Use report_resolve_problem
9236         for multiple definitions.
9237         (Symbol_table::report_resolve_problem): New function.
9238         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9239
9240 2009-11-03  Doug Kwan  <dougkwan@google.com>
9241
9242         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9243         stub_factory_.
9244         (Target_arm::stub_factory): New method definition.
9245         (Target_arm::new_arm_input_section,
9246         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9247         Target_arm::reloc_uses_thumb_bit): New method declarations.
9248         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9249         New type definitions.
9250         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9251         member declarations.
9252         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9253         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9254         New method definitions.
9255
9256 2009-11-03  Ian Lance Taylor  <iant@google.com>
9257
9258         * options.h (class General_options): Add --warn_constructors.
9259
9260 2009-11-03  Ian Lance Taylor  <iant@google.com>
9261
9262         PR 10893
9263         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9264         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9265
9266 2009-11-03  Ian Lance Taylor  <iant@google.com>
9267
9268         PR 10895
9269         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9270         --msgid-bugs-address.
9271         (install-pdf): New target.
9272         (install-data_yes): Look up one directory to find mkinstalldirs.
9273
9274 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9275
9276         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9277         tree.
9278
9279 2009-10-30  Doug Kwan  <dougkwan@google.com>
9280
9281         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9282
9283 2009-10-30  Doug Kwan  <dougkwan@google.com>
9284
9285         * arm.cc (Stub_addend_reader): New struct template definition
9286         and partial specializations.
9287         (Stub_addend_reader::operator()): New method definition for a
9288         partially specialized template.
9289
9290 2009-10-30  Doug Kwan  <dougkwan@google.com>
9291
9292         * arm.cc (Arm_relobj::processor_specific_flags): New method
9293         definition.
9294         (Arm_relobj::do_read_symbols): New method declaration.
9295         (Arm_relobj::processor_specific_flags_): New data member declaration.
9296         (Arm_dynobj): New class definition.
9297         (Target_arm::do_finalize_sections): Add input_objects parameter.
9298         (Target_arm::do_adjust_elf_header): New method declaration.
9299         (Target_arm::are_eabi_versions_compatible,
9300         (Target_arm::merge_processor_specific_flags): New method declaration.
9301         (Target_arm::do_make_elf_object): New overloaded method definitions
9302         and declaration.
9303         (Arm_relobj::do_read_symbols): New method definition.
9304         (Arm_dynobj::do_read_symbols): Ditto.
9305         (Target_arm::do_finalize_sections): Add input_objects parameters.
9306         Merge processor-specific flags from all input objects.
9307         (Target_arm::are_eabi_versions_compatible,
9308         Target_arm::merge_processor_specific_flags,
9309         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9310         New method definitions.
9311         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9312         Input_objects pointer type parameter.
9313         * layout.cc (Layout::finalize): Pass input objects to target's.
9314         finalize_sections function.
9315         * output.cc (Output_file_header::do_sized_write): Set ELF file
9316         header's processor-specific flags.
9317         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9318         Input_objects pointer type parameter.
9319         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9320         * target.h (Input_objects): New forward class declaration.
9321         (Target::processor_specific_flags,
9322         Target::are_processor_specific_flags_sect): New method definitions.
9323         (Target::finalize_sections): Add input_objects parameter.
9324         (Target::Target): Initialize processor_specific_flags_ and
9325         are_processor_specific_flags_set_.
9326         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9327         parameter.
9328         (Target::set_processor_specific_flags): New method definition.
9329         (Target::processor_specific_flags_,
9330         Target::are_processor_specific_flags_set_): New data member
9331         declarations.
9332         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9333         Input_objects pointer type parameter.
9334
9335 2009-10-30  Doug Kwan  <dougkwan@google.com>
9336
9337         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9338
9339 2009-10-28  Ian Lance Taylor  <iant@google.com>
9340
9341         * object.h (class Relobj): Drop options parameter from
9342         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9343         do_scan_relocs, do_relocate.  Change all callers.
9344         (class Sized_relobj): Drop options parameters from
9345         do_gc_process_relocs, do_scan_relocs, do_relocate,
9346         do_relocate_sections, relocate_sections, emit_relocs_scan,
9347         emit_relocs_scan_reltype.  Change all callers.
9348         (struct Relocate_info): Remove options field and all references to
9349         it.
9350         * reloc.h (class Read_relocs): Remove options constructor
9351         parameter and options_ field.  Change all callers.
9352         (class Gc_process_relocs, class Scan_relocs): Likewise.
9353         (class Relocate_task): Likewise.
9354         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9355         all callers.
9356         (scan_relocatable_relocs): Likewise.
9357         * target.h (class Sized_target): Remove options parameter from
9358         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9359         all callers.
9360         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9361         callers.
9362         * arm.cc: Update functions to remove options parameters.
9363         * i386.cc: Likewise.
9364         * powerpc.cc: Likewise.
9365         * sparc.cc: Likewise.
9366         * x86_64.cc: Likewise.
9367         * testsuite/testfile.cc: Likewise.
9368
9369 2009-10-28  Doug Kwan  <dougkwan@google.com>
9370
9371         * arm.cc (Arm_relobj): New class definition.
9372         (Arm_relobj::scan_sections_for_stubs,
9373         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9374         New method definitions.
9375
9376 2009-10-28  Cary Coutant  <ccoutant@google.com>
9377
9378         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9379         (Plugin::cleanup_done_): New member.
9380         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9381         (Plugin_manager::cleanup_done_): Remove.
9382         (Plugin_manager::add_input_file): Edit error message.
9383         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9384         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9385
9386 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9387
9388         * fileread.cc: (File_read::View::~View): Use the new
9389         data_ownership_ filed.
9390         (File_read::~File_read): Dispose the new whole_file_view_.
9391         (File_read::open): Mmap the whole file if needed.
9392         (File_read::open): Use whole_file_view_ instead of contents_.
9393         (File_read::find_view): Use whole_file_view_ if applicable.
9394         (File_read::do_read): Use whole_file_view_ instead of contents_.
9395         (File_read::make_view): Use whole_file_view_ instead of contents_,
9396         update File_read::View::View call.
9397         (File_read::find_or_make_view): Update File_read::View::View
9398         call.
9399         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9400         remove contents_
9401         (File_read::View::Data_ownership): New enum.
9402         (File_read::View::View): Replace bool mapped_ with Data_ownership
9403         argument.
9404         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9405         (File_read::View::data_ownership_): New field.
9406         (File_read::contents_): Remove (replaced by whole_file_view_).
9407         (File_read::whole_file_view_): New field.
9408         * options.h (class General_options): Add --keep-files-mapped.
9409
9410 2009-10-27  Cary Coutant  <ccoutant@google.com>
9411
9412         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9413         * testsuite/Makefile.am (plugin_test_5): New test case.
9414         * testsuite/Makefile.in: Regenerate.
9415
9416 2009-10-25  Doug Kwan  <dougkwan@google.com>
9417
9418         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9419         from private to protected to allow access by child class.
9420         (Sized_relobj::do_relocate_sections): New method declaration.
9421         (Sized_relobj::relocate_sections): Virtualize.
9422         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9423         Sized_relobj::relocate_sections.  Instantiate template explicitly
9424         for different target sizes and endianity.
9425
9426 2009-10-24  Doug Kwan  <dougkwan@google.com>
9427
9428         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9429         (Arm_input_section::as_arm_input_section): New method.
9430         (Arm_output_section): New class definition.
9431         (Arm_output_section::create_stub_group,
9432         Arm_output_section::group_sections): New method definitions.
9433
9434 2009-10-22  Doug Kwan  <dougkwan@google.com>
9435
9436         * arm.cc (Arm_input_section): New class definition.
9437         (Arm_input_section::init, Arm_input_section:do_write,
9438         Arm_input_section::set_final_data_size,
9439         Arm_input_section::do_reset_address_and_file_offset): New method
9440         definitions.
9441
9442 2009-10-21  Doug Kwan  <dougkwan@google.com>
9443
9444         * arm.cc (Stub_table, Arm_input_section): New forward class
9445         declarations.
9446         (Stub_table): New class defintion.
9447         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9448         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9449         New method definition.
9450
9451 2009-10-21  Doug Kwan  <dougkwan@google.com>
9452
9453         * arm.cc: Update copyright comments.
9454         (Target_arm): New forward class template declaration.
9455         (Arm_address): New type.
9456         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9457         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9458         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9459         constants.
9460         (Insn_template): Same.
9461         (DEF_STUBS): New macro.
9462         (Stub_type): New enum type.
9463         (Stub_template): New class definition.
9464         (Stub): Same.
9465         (Reloc_stub): Same.
9466         (Stub_factory): Same.
9467         (Target_arm::Target_arm): Initialize may_use_blx_ and
9468         should_force_pic_veneer_.
9469         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9470         Target_arm::should_force_pic_veneer,
9471         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9472         Target_arm::using_thumb_only, Target_arm:;default_target): New
9473         method defintions.
9474         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9475         New data member declarations.
9476         (Insn_template::size, Insn_template::alignment): New method defintions.
9477         (Stub_template::Stub_template): New method definition.
9478         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9479         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9480         (Stub_factory::Stub_factory): New method definition.
9481         * gold.h (string_hash): New template.
9482         * output.h (Input_section_specifier::hash_value): Use
9483         gold::string_hash.
9484         (Input_section_specifier::string_hash): Remove.
9485         * stringpool.cc (Stringpool_template::string_hash): Use
9486         gold::string_hash.
9487
9488 2009-10-20  Doug Kwan  <dougkwan@google.com>
9489
9490         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9491         symbols of relaxed input sections.
9492         * output.h (Output_section::find_relaxed_input_section): Make
9493         method public.
9494
9495 2009-10-16  Doug Kwan  <dougkwan@google.com>
9496
9497         * dynobj.cc (Versions::Versions): Initialize version_script_.
9498         Only insert base version symbol definition for a shared object
9499         if version script defines any version versions.
9500         (Versions::define_base_version): New method definition.
9501         (Versions::add_def): Check that base version is not needed.
9502         (Versions::add_need): Define base version lazily.
9503         * dynobj.h (Versions::define_base_version): New method declaration.
9504         (Versions::needs_base_version_): New data member declaration.
9505         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9506         (check_DATA): Add no_version_test.stdout.
9507         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9508         New make rules.
9509         * testsuite/Makefile.in: Regenerate.
9510         * testsuite/no_version_test.c: New file.
9511         * testsuite/no_version_test.sh: Ditto.
9512
9513 2009-10-16  Doug Kwan  <dougkwan@google.com>
9514
9515         * expression.cc (class Segment_start_expression): New class definition.
9516         (Segment_start_expression::value): New method definition.
9517         (script_exp_function_segment_start): Return a new
9518         Segment_start_expression.
9519         * gold/script-c.h (script_saw_segment_start_expression): New function
9520         prototype.
9521         * script-sections.cc (Script_sections::Script_sections): Initialize
9522         SAW_SEGMENT_START_EXPRESSION_ to false.
9523         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9524         and -Tbbs options to specify section addresses if given in
9525         command line and no SEGMENT_START expression is seen in a script.
9526         * script-sections.h (Script_sections::saw_segment_start_expression,
9527         Script_sections::set_saw_segment_start_expression): New method
9528         definition.
9529         (Script_sections::saw_segment_start_expression_): New data member
9530         declaration.
9531         * script.cc (script_saw_segment_start_expression): New function.
9532         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9533         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9534         script_test_7.sh and script_test_8.sh.
9535         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9536         script_test_8.stdout.
9537         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9538         (script_test_6, script_test_6.stdout, script_test_7,
9539         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9540         * Makefile.in: Regenerate.
9541         * testsuite/script_test_6.sh: New file.
9542         * testsuite/script_test_6.t: Same.
9543         * testsuite/script_test_7.sh: Same.
9544         * testsuite/script_test_7.t: Same.
9545         * testsuite/script_test_8.sh: Same.
9546
9547 2009-10-16  Doug Kwan  <dougkwan@google.com>
9548
9549         * output.cc (Output_segment::set_section_list_address): Cast
9550         expressions to unsigned long long type to avoid format warnings.
9551
9552 2009-10-15  Ian Lance Taylor  <iant@google.com>
9553
9554         * script.cc (Script_options::add_symbol_assignment): Always add a
9555         dot assignment to script_sections_.
9556         * script-sections.cc (Script_sections::add_dot_assignment):
9557         Initialize if necessary.
9558
9559         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9560         program headers with no load segment if there is a linker script.
9561
9562         * layout.cc (Layout::set_segment_offsets): Align the file offset
9563         to the segment aligment for -N or -n with no load segment.
9564         * output.cc (Output_segment::add_output_section): Don't crash if
9565         the first section is a TLS section.
9566         (Output_segment::set_section_list_addresses): Print an error
9567         message if the address moves backward in a linker script.
9568         * script-sections.cc
9569         (Output_section_element_input::set_section_addresses): Don't
9570         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9571         (Orphan_output_section::set_section_addresses): Likewise.
9572
9573 2009-10-15  Doug Kwan  <dougkwan@google.com>
9574
9575         * layout.cc (Layout::finish_dynamic_section): Generate tags
9576         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9577         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9578         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9579
9580 2009-10-14  Ian Lance Taylor  <iant@google.com>
9581
9582         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9583         fields.
9584         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9585         data_shdr fields of relinfo.
9586         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9587         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9588         R_386_TLS_LDO_32, adjust based on section flags.
9589         (Target_i386::Relocate::fix_up_ldo): Remove.
9590
9591 2009-10-13  Ian Lance Taylor  <iant@google.com>
9592
9593         Add support for -pie.
9594         * options.h (class General_options): Add -pie and
9595         --pic-executable.
9596         (General_options::output_is_position_independent): Test -pie.
9597         (General_options::output_is_executable): Return true if not shared
9598         and not relocatable.
9599         (General_options::output_is_pie): Remove.
9600         * options.cc (General_options::finalize): Reject incompatible uses
9601         of -pie.
9602         * gold.cc (queue_middle_tasks): A -pie link is not static.
9603         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9604         * symtab.cc (Symbol::final_value_is_known): Return false if
9605         output_is_position_independent.
9606         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9607         output_is_position_independent.
9608         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9609         output_is_position_independent.
9610         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9611         output_is_position_independent.
9612         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9613         two_file_pie_test.
9614         (basic_pie_test.o, basic_pie_test): New targets.
9615         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9616         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9617         (two_file_pie_test): New target.
9618         * testsuite/Makefile.in: Rebuild.
9619         * README: Remove note saying that -pie is not supported.
9620
9621 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9622
9623         * options.h (class General_options): Add -init and -fini.
9624         * layout.cc (Layout::finish_dynamic_section): Emit
9625         given init and fini functions.
9626
9627 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9628
9629         * gc.h (gc_process_relocs): Check if icf is enabled using new
9630         function.
9631         * gold.cc (queue_initial_tasks): Likewise.
9632         (queue_middle_tasks): Likewise.
9633         * object.cc (do_layout): Likewise.
9634         * symtab.cc (is_section_folded): Likewise.
9635         * main.cc (main): Likewise.
9636         * reloc.cc (Read_relocs::run): Likewise.
9637         (Sized_relobj::do_scan_relocs): Likewise.
9638         * icf.cc (is_function_ctor_or_dtor): New function.
9639         (Icf::find_identical_sections): Check if function is ctor or dtor when
9640         safe icf is chosen.
9641         * options.h (General_options::icf): Change option to be an enum.
9642         (Icf_status): New enum.
9643         (icf_enabled): New method.
9644         (icf_safe_folding): New method.
9645         (set_icf_status): New method.
9646         (icf_status_): New variable.
9647         * (options.cc) (General_options::finalize): Set icf_status_.
9648         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9649         icf_test and icf_keep_unique_test to use the --icf enum flag.
9650         * testsuite/icf_safe_test.sh: New file.
9651         * testsuite/icf_safe_test.cc: New file.
9652
9653 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9654
9655         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9656         includes to gc.h and icf.h.
9657         * arm.cc: Include gc.h.
9658         * gold.cc: Likewise.
9659         * i386.cc: Likewise.
9660         * powerpc.cc: Likewise.
9661         * sparc.cc: Likewise.
9662         * x86_64.cc: Likewise.
9663         * gc.h: Include icf.h.
9664
9665 2009-10-11  Ian Lance Taylor  <iant@google.com>
9666
9667         * plugin.cc: Include "gold.h" before other header files.
9668
9669 2009-10-10  Chris Demetriou  <cgd@google.com>
9670
9671         * options.h (Input_file_argument::Input_file_type): New enum.
9672         (Input_file_argument::is_lib_): Replace with...
9673         (Input_file_argument::type_): New member.
9674         (Input_file_argument::Input_file_argument): Take Input_file_type
9675         'type' rather than boolean 'is_lib' as second argument.
9676         (Input_file_argument::is_lib): Use type_.
9677         (Input_file_argument::is_searched_file): New function.
9678         (Input_file_argument::may_need_search): Handle is_searched_file.
9679         * options.cc (General_options::parse_library): Support -l:filename.
9680         (General_options::parse_just_symbols): Update for Input_file_argument
9681         changes.
9682         (Command_line::process): Likewise.
9683         * archive.cc (Archive::get_file_and_offset): Likewise.
9684         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9685         * script.cc (read_script_file, script_add_file): Likewise.
9686         * fileread.cc (Input_file::Input_file): Likewise.
9687         (Input_file::will_search_for): Handle is_searched_file.
9688         (Input_file::open): Likewise.
9689         * readsyms.cc (Read_symbols::get_name): Likewise.
9690         * testsuite/Makefile.am (searched_file_test): New test.
9691         * testsuite/Makefile.in: Regenerate.
9692         * testsuite/searched_file_test.cc: New file.
9693         * testsuite/searched_file_test_lib.cc: New file.
9694
9695 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9696             Ian Lance Taylor  <iant@google.com>
9697
9698         * descriptor.cc: Include <cstdio> and "binary-io.h".
9699         (Descriptors::open): Open the files in binary mode always.
9700         * script.cc (Lex::get_token): Treat \r as whitespace.
9701
9702 2009-10-09  Ian Lance Taylor  <iant@google.com>
9703
9704         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9705
9706 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9707             Ian Lance Taylor  <iant@google.com>
9708
9709         * configure.ac: Check for readv function also.
9710         * fileread.cc (readv): Define if not HAVE_READV.
9711         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9712         does not exist.
9713         * config.in: Regenerate.
9714         * configure: Regenerate.
9715
9716 2009-10-09  Doug Kwan  <dougkwan@google.com>
9717
9718         * layout.cc (Layout::make_output_section): Call target hook to make
9719         ordinary output section.
9720         (Layout::finalize): Adjust parameter list of call the
9721         Target::may_relax().
9722         * layout.h (class Layout::section_list): New method.
9723         * merge.h (Output_merge_base::entsize): Change visibility to public.
9724         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9725         New methods.
9726         (Output_merge_string::do_is_string): New method.
9727         * object.cc (Sized_relobj::do_setup): renamed from
9728         Sized_relobj::set_up.
9729         * object.h (Sized_relobj::adjust_shndx,
9730         Sized_relobj::initializ_input_to_output_maps,
9731         Sized_relobj::free_input_to_output_maps): Change visibilities to
9732         protected.
9733         (Sized_relobj::setup): Virtualize.
9734         (Sized_relobj::do_setup): New method declaration.
9735         (Sized_relobj::invalidate_section_offset,
9736         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9737         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9738         * options.cc (parse_int): New function.
9739         * options.h (parse_int): New declaration.
9740         (DEFINE_int): New macro.
9741         (stub_group_size): New option.
9742         * output.cc (Output_section::Output_section): Initialize memebers
9743         merge_section_map_, merge_section_by_properties_map_,
9744         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9745         (Output_section::add_input_section): Handled deferred code-fill
9746         generation and remove an old comment.
9747         (Output_section::add_relaxed_input_section): New method definition.
9748         (Output_section::add_merge_input_section): Use merge section by
9749         properties map to speed to search.  Update merge section maps
9750         as appropriate.
9751         (Output_section::build_relaxation_map): New method definition.
9752         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9753         Same.
9754         (Output_section::relax_input_section): Renamed to
9755         Output_section::convert_input_sections_to_relaxed_sections and change
9756         interface to take a vector of pointers to relaxed sections.
9757         (Output_section::find_merge_section,
9758         Output_section::find_relaxed_input_section): New method definitions.
9759         (Output_section::is_input_address_mapped,
9760         Output_section::output_offset, Output_section::output_address):
9761         Use output section data maps to speed up searching.
9762         (Output_section::find_starting_output_address): Add comments.
9763         (Output_section::do_write,
9764         Output_section::write_to_postprocessing_buffer): Do code-fill
9765         generation as appropriate.
9766         (Output_section::get_input_sections): Invalidate relaxed input section
9767         map.
9768         (Output_section::restore_states): Adjust type of checkpoint .
9769         Invalidate relaxed input section map.
9770         * output.h (Output_merge_base): New class declaration.
9771         (Input_section_specifier): New class defintion.
9772         (class Output_relaxed_input_section) Change base class to
9773         Output_section_data_build.
9774         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9775         base class initializer.
9776         (Output_section::add_relaxed_input_section): New method declaration.
9777         (Output_section::Input_section): Change visibility to protected.
9778         (Output_section::Input_section::relobj,
9779         Output_section::Input_section::shndx): Handle relaxed input sections.
9780         Output_section::input_sections) Change visibility to protected.  Also
9781         define overload to return a non-const pointer.
9782         (Output_section::Merge_section_properties): New class defintion.
9783         (Output_section::Merge_section_by_properties_map,
9784         Output_section::Output_section_data_by_input_section_map,
9785         Output_section::Relaxation_map): New types.
9786         (Output_section::relax_input_section): Rename method to
9787         Output_section::convert_input_sections_to_relaxed_sections and change
9788         interface to take a vector of relaxed section pointers.
9789         (Output_section::find_merge_section,
9790         Output_section::find_relaxed_input_section,
9791         Output_section::build_relaxation_map,
9792         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9793         New method declarations.
9794         (Output_section::merge_section_map_
9795         Output_section::merge_section_by_properties_map_,
9796         Output_section::relaxed_input_section_map_,
9797         Output_section::is_relaxed_input_section_map_valid_,
9798         Output_section::generate_code_fills_at_write_): New data members.
9799         * script-sections.cc
9800         (Output_section_element_input::set_section_addresses): Call
9801         current_data_size and addralign methods of relaxed input sections.
9802         (Orphan_output_section::set_section_addresses): Call current_data_size
9803         and addralign methods of relaxed input sections.
9804         * symtab.cc (Symbol_table::compute_final_value): Extract template
9805         from the body of Symbol_table::sized_finalize_symbol.
9806         (Symbol_table::sized_finalized_symbol): Call
9807         Symbol_table::compute_final_value.
9808         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9809         (Symbol_table::compute_final_value): New templated method declaration.
9810         * target.cc (Target::do_make_output_section): New method defintion.
9811         * target.h (Target::make_output_section): New method declaration.
9812         (Target::relax): Add more parameters for input objects, symbol table
9813         and layout.  Adjust call to do_relax.
9814         (Target::do_make_output_section): New method declaration.
9815         (Target::do_relax): Add parameters for input objects, symbol table
9816         and layout.
9817
9818 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9819
9820         * pread.c: Include stdio.h.
9821
9822 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9823
9824         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9825         defined.
9826
9827 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9828
9829         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9830         Change read_shndx type to unsigned int.
9831         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9832         int.
9833         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9834         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9835         Change read_shndx type to unsigned int.
9836         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9837         int.
9838         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9839         * layout.cc (Layout::create_symtab_sections): Cast the result of
9840         local_symcount * symsize to off_t in the gold_assert.
9841
9842 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9843
9844         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9845         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9846         R_ARM_BASE_ABS.
9847         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9848         (Arm_relocate_functions::thm_abs5): New function.
9849         (Arm_relocate_functions::abs12): New function.
9850         (Arm_relocate_functions::abs16): New function.
9851         (Arm_relocate_functions::base_abs): New function.
9852         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9853         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9854         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9855         R_ARM_BASE_ABS.
9856         (Scan::global): Likewise.
9857         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9858         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9859         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9860         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9861         R_ARM_BASE_ABS.
9862
9863 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9864
9865         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9866         (Arm_relocate_functions::movt_prel): New function.
9867         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9868         (Arm_relocate_functions::thm_movt_prel): New function.
9869         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9870         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9871         (Scan::global, Relocate::relocate): Likewise.
9872         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9873
9874 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9875
9876         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9877         Incremental_checker.
9878         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9879         unsigned int.
9880         (class Incremental_inputs_header): New class.
9881         (Incremental_inputs_header_writer): Edit comment.
9882         (Incremental_inputs_entry): New class.
9883         (Incremental_inputs_entry_writer): Edit comment.
9884         (Sized_incremental_binary::do_find_incremental_inputs_section):
9885         Add *strtab_shndx parameter, fill it.
9886         (Sized_incremental_binary::do_check_inputs): New method.
9887         (Incremental_checker::can_incrementally_link_output_file): Use
9888         Sized_incremental_binary::check_inputs.
9889         (Incremental_inputs::report_command_line): Save command line in
9890         command_line_.
9891         * incremental.h:
9892         (Incremental_binary::find_incremental_inputs_section): New
9893         method.
9894         (Incremental_binary::do_find_incremental_inputs_section): Add
9895         strtab_shndx parameter.
9896         (Incremental_binary::do_check_inputs): New pure virtual method.
9897         (Sized_incremental_binary::do_check_inputs): Declare.
9898         (Incremental_checker::Incremental_checker): Add incremental_inputs
9899         parameter, use it to initialize incremental_inputs_.
9900         (Incremental_checker::incremental_inputs_): New field.
9901         (Incremental_checker::command_line): New method.
9902         (Incremental_checker::inputs): New method.
9903         (Incremental_checker::command_line_): New field.
9904
9905 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9906
9907         * incremental.cc: Include <cstdarg> and "target-select.h".
9908         (vexplain_no_incremental): New function.
9909         (explain_no_incremental): New function.
9910         (Incremental_binary::error): New method.
9911         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9912         method.
9913         (make_sized_incremental_binary): New function.
9914         (open_incremental_binary): New function.
9915         (can_incrementally_link_file): Add checks if output is ELF and has
9916         inputs section.
9917         * incremental.h: Include "elfcpp_file.h" and "output.h".
9918         (Incremental_binary): New class.
9919         (Sized_incremental_binary): New class.
9920         (open_incremental_binary): Declare.
9921         * object.cc (is_elf_object): Use
9922         elfcpp::Elf_recognizer::is_elf_file.
9923         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9924         * output.h (Output_file::filesize): New method.
9925
9926 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9927
9928         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9929         New function.
9930         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9931         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9932         function.
9933         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9934         function.
9935         (Arm_relocate_functions::movw_abs_nc): New function.
9936         (Arm_relocate_functions::movt_abs): New function.
9937         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9938         (Arm_relocate_functions::thm_movt_abs): New function.
9939         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9940         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9941         (Scan::global): Likewise.
9942         (Relocate::relocate): Likewise.
9943         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9944
9945 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9946
9947         * arm.cc (Arm_relocate_functions::got_prel) New function.
9948         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9949         (Relocate::relocate): Likewise.
9950         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9951
9952 2009-10-06  Ian Lance Taylor  <iant@google.com>
9953
9954         * options.h (class General_options): Define
9955         split_stack_adjust_size parameter.
9956         * object.h (class Object): Add uses_split_stack_ and
9957         has_no_split_stack_ fields.  Add uses_split_stack and
9958         has_no_split_stack accessor functions.  Declare
9959         handle_split_stack_section.
9960         (class Reloc_symbol_changes): Define.
9961         (class Sized_relobj): Define Function_offsets.  Declare
9962         split_stack_adjust, split_stack_adjust_reltype, and
9963         find_functions.
9964         * object.cc (Object::handle_split_stack_section): New function.
9965         (Sized_relobj::do_layout): Call handle_split_stack_section.
9966         * dynobj.cc (Sized_dynobj::do_layout): Call
9967         handle_split_stack_section.
9968         * reloc.cc (Sized_relobj::relocate_sections): Call
9969         split_stack_adjust for executable sections in split_stack
9970         objects.  Pass reloc_map to relocate_section.
9971         (Sized_relobj::split_stack_adjust): New function.
9972         (Sized_relobj::split_stack_adjust_reltype): New function.
9973         (Sized_relobj::find_functions): New function.
9974         * target-reloc.h: Include "object.h".
9975         (relocate_section): Add reloc_symbol_changes parameter.  Change
9976         all callers.
9977         * target.h (class Target): Add calls_non_split method.  Declare
9978         do_calls_non_split virtual method.  Declare match_view and
9979         set_view_to_nop.
9980         * target.cc: Include "elfcpp.h".
9981         (Target::do_calls_non_split): New function.
9982         (Target::match_view): New function.
9983         (Target::set_view_to_nop): New function.
9984         * gold.cc (queue_middle_tasks): Give an error if mixing
9985         split-stack and non-split-stack objects with -r.
9986         * i386.cc (Target_i386::relocate_section): Add
9987         reloc_symbol_changes parameter.
9988         (Target_i386::do_calls_non_split): New function.
9989         * x86_64.cc (Target_x86_64::relocate_section): Add
9990         reloc_symbol_changes parameter.
9991         (Target_x86_64::do_calls_non_split): New function.
9992         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9993         parameter.
9994         * powerpc.cc (Target_powerpc::relocate_section): Add
9995         reloc_symbol_changes parameter.
9996         * sparc.cc (Target_sparc::relocate_section): Add
9997         reloc_symbol_changes parameter.
9998         * configure.ac: Call AM_CONDITIONAL for the default target.
9999         * configure: Rebuild.
10000         * testsuite/Makefile.am (TEST_AS): New variable.
10001         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10002         (check_DATA): Add split_i386 and split_x86_64 files.
10003         (SPLIT_DEFSYMS): Define.
10004         (split_i386_[1234n].o): New targets.
10005         (split_i386_[124]): New targets.
10006         (split_i386_[1234r].stdout): New targets.
10007         (split_x86_64_[1234n].o): New targets.
10008         (split_x86_64_[124]): New targets.
10009         (split_x86_64_[1234r].stdout): New targets.
10010         (MOSTLYCLEANFILES): Add new executables.
10011         * testsuite/split_i386.sh: New file.
10012         * testsuite/split_x86_64.sh: New file.
10013         * testsuite/split_i386_1.s: New file.
10014         * testsuite/split_i386_2.s: New file.
10015         * testsuite/split_i386_3.s: New file.
10016         * testsuite/split_i386_4.s: New file.
10017         * testsuite/split_i386_n.s: New file.
10018         * testsuite/split_x86_64_1.s: New file.
10019         * testsuite/split_x86_64_2.s: New file.
10020         * testsuite/split_x86_64_3.s: New file.
10021         * testsuite/split_x86_64_4.s: New file.
10022         * testsuite/split_x86_64_n.s: New file.
10023         * testsuite/testfile.cc (Target_test): Update relocation_section
10024         function.
10025         * testsuite/Makefile.in: Rebuild.
10026
10027 2009-10-06  Ian Lance Taylor  <iant@google.com>
10028
10029         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10030         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10031         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10032         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10033         the address on ldo_addrs_.
10034         (Target_i386::Relocate::fix_up_ldo): New function.
10035
10036 2009-10-06   Rafael Espindola  <espindola@google.com>
10037
10038         * plugin.cc (add_input_library): New.
10039         (Plugin::load): Add add_input_library to tv.
10040         (Plugin_manager::add_input_file): Add the is_lib argument.
10041         (add_input_file): Update call to Plugin_manager::add_input_file.
10042         (add_input_library): New.
10043         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10044
10045 2009-09-30  Doug Kwan  <dougkwan@google.com>
10046
10047         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10048         symbol and call Symbol::may_need_copy_reloc to determine if
10049         a copy reloc is needed.
10050         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10051         nocopyreloc is given in command line.
10052         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10053         given in command line.
10054         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10055         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10056         of the removed Target_i386::may_need_copy_reloc.
10057         * options.h (copyreloc): New option with default value false.
10058         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10059         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10060         instead of the removed Target_powerpc::may_need_copy_reloc.
10061         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10062         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10063         instead of the removed Target_sparc::may_need_copy_reloc.
10064         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10065         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10066         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10067         instead of the removed Target_x86_64::may_need_copy_reloc.
10068
10069 2009-09-30  Ian Lance Taylor  <iant@google.com>
10070
10071         * object.h (class Object): Remove target_ field, and target,
10072         sized_target, and set_target methods.
10073         (Object::sized_target): Remove.
10074         (class Sized_relobj): Update declarations.  Remove sized_target.
10075         * object.cc (Sized_relobj::setup): Remove target parameter.
10076         Change all callers.
10077         (Input_objects::add_object): Don't do anything with the target.
10078         (make_elf_sized_object): Add punconfigured parameter.  Change all
10079         callers.  Set or test parameter target.
10080         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10081         Change all callers.
10082         * parameters.cc (Parameters::set_target): Change parameter type to
10083         be non-const.
10084         (Parameters::default_target): Remove.
10085         (set_parameters_target): Change parameter type to be non-const.
10086         (parameters_force_valid_target): New function.
10087         (parameters_clear_target): New function.
10088         * parameters.h (class Parameters): Update declarations.  Remove
10089         default_target method.  Add sized_target and clear_target
10090         methods.  Change target_ to be non-const.
10091         (set_parameters_target): Update declaration.
10092         (parameters_force_valid_target): Declare.
10093         (parameters_clear_target): Declare.
10094         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10095         as NULL if we aren't searching.
10096         (Add_symbols::run): Don't check for compatible target.
10097         * fileread.cc (Input_file::open_binary): Call
10098         parameters_force_valid_target.
10099         * gold.cc (queue_middle_tasks): Likewise.
10100         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10101         set_target on object.
10102         * dynobj.h (class Sized_dynobj): Update declarations.
10103         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10104         make_elf_object returns NULL.
10105         (Archive::include_member): Don't check whether object target is
10106         compatible.
10107         * output.cc (Output_section::add_input_section): Get target from
10108         parameters.
10109         (Output_section::relax_input_section): Likewise.
10110         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10111         parameters.
10112         (Sized_relobj::do_scan_relocs): Likewise.
10113         (Sized_relobj::relocate_sections): Likewise.
10114         * resolve.cc (Symbol_table::resolve): Likewise.
10115         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10116         parameter.  Change all callers.
10117         (Symbol_table::add_from_object): Get target from parameters.
10118         (Symbol_table::add_from_relobj): Don't check object target.
10119         (Symbol_table::add_from_dynobj): Likewise.
10120         (Symbol_table::define_special_symbol): Get target from
10121         parameters.
10122         * symtab.h (class Symbol_table): Update declaration.
10123         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10124         parameter.  Change all callers.  Clear parameter target.
10125         (Binary_test): Test target here.
10126         * testsuite/object_unittest.cc (gold_testsuite): Remove
10127         target_test_pointer parameter.  Change all callers.
10128         (Object_test): Test target here.
10129
10130 2009-09-26  Ian Lance Taylor  <iant@google.com>
10131
10132         * testsuite/initpri1.c: Don't try to use constructor priorities if
10133         compiling with gcc before 4.3.
10134
10135 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10136
10137         * testsuite/retain_symbols_file_test.sh (check_present): Change
10138         output file name to retain_symbols_file_test.stdout.
10139         (check_absent): Likewise.
10140
10141 2009-09-18  Craig Silverstein  <csilvers@google.com>
10142
10143         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10144         * options.cc: Include <cerrno> and <fstream>.
10145         (General_options::finalize): Parse -retain-symbols-file tag.
10146         * options.h: New flag.
10147         (General_options): New method should_retain_symbol, new
10148         variable symbols_to_retain.
10149         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10150         should_retain_symbol map.
10151         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10152         * testsuite/Makefile.in: Regenerate.
10153         * testsuite/retain_symbols_file_test.sh: New file.
10154
10155 2009-09-18  Nick Clifton  <nickc@redhat.com>
10156
10157         * po/es.po: Updated Spanish translation.
10158
10159 2009-09-17  Doug Kwan  <dougkwan@google.com>
10160
10161         * debug.h (DEBUG_RELAXATION): New constant.
10162         (DEBUG_ALL): Add DEBUG_RELAXATION.
10163         (debug_string_to_enum): Add relaxation debug option.
10164         * layout.cc
10165         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10166         Layout::Relaxation_debug_check::read_sections,
10167         Layout::Relaxation_debug_check::read_sections): New method definitions.
10168         (Layout::Layout): Initialize data members
10169         record_output_section_data_from_scrips_,
10170         script_output_section_data_list_ and relaxation_debug_check_.
10171         (Layout::save_segments, Layout::restore_segments,
10172         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10173         Layout::relaxation_loop_body): New method definitions.
10174         (Layout::finalize): Support relaxation.  Move section layout code to
10175         Layout::relaxation_loop_body.
10176         (Layout::set_asection_address_from_script): Move code for orphan
10177         section placement out.
10178         (Layout::place_orphan_sections_in_script): New method definition.
10179         * layout.h (Output_segment_headers, Output_file_header):
10180         New forward class declarations.
10181         (Layout::~Layout): Define.
10182         (Layout::new_output_section_data_from_script): New method definition.
10183         (Layout::place_orphan_sections_in_script): New method declaration.
10184         (Layout::Segment_states): New type declaration.
10185         (Layout::save_segments, Layout::restore_segments,
10186         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10187         Layout::relaxation_loop_body): New method declarations.
10188         (Layout::Output_section_data_list): New type declaration.
10189         (Layout::Relaxation_debug_check): New class definition.
10190         (Layout::record_output_section_data_from_script_,
10191         Layout::script_output_section_data_list_, Layout::segment_states_,
10192         Layout::relaxation_debug_check_): New data members.
10193         * output.cc: (Output_section_headers::do_size): New method definition.
10194         (Output_section_headers::Output_section_headers): Move size
10195         computation to Output_section_headers::do_size.
10196         (Output_segment_headers::do_size): New method definition.
10197         (Output_file_header::Output_file_header): Move size computation to
10198         Output_file_header::do_size and call it.
10199         (Output_file_header::do_size): New method definition.
10200         (Output_data_group::Output_data_group): Adjust call to
10201         Output_section_data.
10202         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10203         (Output_symtab_xindex::do_write): Add array bound check.
10204         (Output_section::Input_section::print_to_mapfile): Handle
10205         RELAXED_INPUT_SECTION_CODE.
10206         (Output_section::Output_section): Initialize data member checkpoint_.
10207         (Output_section::~Output_section): Delete checkpoint object pointed
10208         by checkpoint_.
10209         (Output_section::add_input_section): Always add an Input_section if
10210         relaxing.
10211         (Output_section::add_merge_input_section): Add assert.
10212         (Output_section::relax_input_section): New method definition.
10213         (Output_section::set_final_data_size): Set load address to zero for
10214         an unallocated section.
10215         (Output_section::do_address_and_file_offset_have_reset_values):
10216         New method definition.
10217         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10218         Handle relaxed input section.
10219         (Output_section::sort_attached_input_sections): Checkpoint input
10220         section list lazily.
10221         (Output_section::get_input_sections): Change type of input_sections to
10222         list of Simple_input_section pointers.  Checkpoint input section list
10223         lazily.  Also handle relaxed input sections.
10224         (Output_section::add_input_section_for_script): Take a reference to
10225         a Simple_input_section object instead of Relobj pointer and section
10226         index as parameter.  Handle relaxed input sections.
10227         (Output_section::save_states, Output_section::restore_states): New
10228         method definitions.
10229         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10230         (Output_data::is_data_size_fixed): New method definition.
10231         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10232         if it is fixed.
10233         (Output_data::address_and_file_offset_have_reset_values): New method
10234         definition.
10235         (Output_data::do_address_and_file_offset_have_reset_values): New method
10236         definition.
10237         (Output_data::set_data_size): Check that data size is not fixed.
10238         (Output_data::fix_data_size): New method definition.
10239         (Output_data::is_data_size_fixed_): New data member.
10240         (Output_section_headers::set_final_data_size): New method definition.
10241         (Output_section_headers::do_size): New method declaration.
10242         (Output_segment_headers::set_final_data_size): New method definition.
10243         (Output_segment_headers::do_size): New method declaration.
10244         (Output_file_header::set_final_data_size)::New method definition.
10245         (Output_file_header::do_size)::New method declaration.
10246         (Output_section_data::Output_section_data): Add new parameter
10247         is_data_size_fixed and use it to fix data size.
10248         (Output_data_const::Output_data_const): Adjust call to base class
10249         constructor and fix data size.
10250         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10251         base class constructor and fix data size.
10252         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10253         base class constructor and fix data size.
10254         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10255         class constructor and fix data size.
10256         (Output_data_group::set_final_data_size): New method definition.
10257         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10258         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10259         class constructor and fix data size.
10260         (Output_relaxed_input_section): New class definition.
10261         (Output_section::Simple_input_section): New class definition.
10262         (Output_section::get_input_sections): Adjust parameter list.
10263         (Output_section::add_input_section_for_script): Same.
10264         (Output_section::save_states, Output_section::restore_states,
10265         Output_section::do_address_and_file_offset_have_reset_values,
10266         (Output_section::Input_section::Input_section): Handle
10267         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10268         Output_relaxed_input_section.
10269         (Output_section::Input_section::is_input_section,
10270         Output_section::Input_section::set_output_section): Handle relaxed
10271         input section.
10272         (Output_section::Input_section::is_relaxed_input_section,
10273         Output_section::Input_section::output_section_data,
10274         Output_section::Input_section::relaxed_input_section): New method
10275         definitions.
10276         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10277         value.
10278         (Output_section::Input_section::u1_): Update comments.
10279         (Output_section::Input_section::u2_): Add new union member poris.
10280         (Output_section::Checkpoint_output_section): New classs definition.
10281         (Output_section::relax_input_section): New method declaration.
10282         (Output_section::checkpoint_): New data member.
10283         (Output_segment): Update comments.
10284         (Output_segment::Output_segment): Un-privatize copy constructor.
10285         (Output_segment::operator=): Un-privatize.
10286         * script-sections.cc (Output_section_element::Input_section_list):
10287         Change element type to Output_section::Simple_input_section.
10288         (Output_section_element_dot_assignment::set_section_addresses):
10289         Register output section data for relaxation clean up.
10290         (Output_data_exression::Output_data_expression): Adjust call to base
10291         constructor to fix data size.
10292         (Output_section_element_data::set_section_addresses): Register
10293         Output_data_expression object for relaxation clean up.
10294         (struct Input_section_info): Replace Relobj pointer and section index
10295         pair with Output_section::Simple_input_section and Convert struct to a
10296         class.
10297         (Input_section_sorter::operator()): Adjust access to
10298         Input_section_info data member to use accessors.
10299         (Output_section_element_input::set_section_addresses): Use layout
10300         parameter.  Adjust code to use Output_section::Simple_input_section
10301         and Input_secction_info classes.  Register filler for relaxation
10302         clean up.
10303         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10304         and section index pair with Output_section::Simple_input_section
10305         class.  Adjust code accordingly.
10306         (Phdrs_element::release_segment): New method definition.
10307         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10308         segment list.
10309         (Script_sections::release_segments): New method definition.
10310         * gold/script-sections.h (Script_sections::release_segments): New
10311         method declaration.
10312         * gold/target.h (Target::may_relax, Target::relax,
10313         Target::do_may_relax, Target::do_relax): New method definitions.
10314
10315 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10316
10317         * arm.cc (has_signed_unsigned_overflow): New function.
10318         (Arm_relocate_functions::abs8): New function.
10319         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10320         (Target_arm::Scan::global): Likewise.
10321         (Target_arm::relocate::relocate): Likewise.
10322         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10323         Likewise.
10324
10325 2009-09-16  Cary Coutant  <ccoutant@google.com>
10326
10327         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10328         * testsuite/Makefile.in: Regenerate.
10329
10330 2009-09-11  Nick Clifton  <nickc@redhat.com>
10331
10332         * po/gold.pot: Updated by the Translation project.
10333
10334 2009-09-08  Cary Coutant  <ccoutant@google.com>
10335
10336         * output.cc (Output_file::open): Add execute permission to empty file.
10337         * testsuite/Makefile.am (permission_test): New test.
10338         * testsuite/Makefile.in: Regenerate.
10339
10340 2009-09-02  Ian Lance Taylor  <iant@google.com>
10341
10342         * output.cc (Output_file::resize): Call map_no_anonymous rather
10343         than map.
10344
10345 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10346
10347         * gold.cc: Include "incremental.h".
10348         (queue_initial_tasks): Call Incremental_checker methods.
10349         * incremental.cc: Include "output.h".
10350         (Incremental_checker::can_incrementally_link_output_file): New
10351         method.
10352         * incremental.h (Incremental_checker): New class.
10353
10354         * output.cc (Output_file::open_for_modification): New method.
10355         (Output_file::map_anonymous): Changed return type to bool.  Record
10356         map in base_ field.
10357         (Output_file::map_no_anonymous): New method, broken out of map.
10358         (Output_file::map): Use map_no_anonymous and map_anonymous.
10359         * output.h (class Output_file): Update declarations.
10360
10361 2009-08-24  Cary Coutant  <ccoutant@google.com>
10362
10363         * options.h (Command_line::Pre_options): New class.
10364         (Command_line::pre_options): New member.
10365         * options.cc (gold::options::ready_to_register): New variable.
10366         (One_option::register_option): Do nothing if not registering options.
10367         Assert if same short option registered twice.
10368         (General_options::General_options): Turn off option registration when
10369         done constructing.
10370         (Command_line::Pre_options::Pre_options): New constructor.
10371
10372 2009-08-24  Cary Coutant  <ccoutant@google.com>
10373
10374         * options.h (General_options::no_keep_memory): Remove incorrect
10375         short option.
10376
10377 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10378
10379         * Makefile.am (am__skiplex, am__skipyacc): New.
10380         * Makefile.in: Regenerate.
10381
10382 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10383
10384         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10385         (INCLUDES): ... this.
10386         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10387         (AM_CPPFLAGS): Renamed from ...
10388         (INCLUDE): ... this.
10389         * Makefile.in, testsuite/Makefile.in: Regenerate.
10390
10391         * Makefile.in: Regenerate.
10392         * aclocal.m4: Likewise.
10393         * config.in: Likewise.
10394         * configure: Likewise.
10395         * testsuite/Makefile.in: Likewise.
10396
10397         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10398         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10399         * Makefile.in: Regenerate.
10400         * testsuite/Makefile.in: Regenerate.
10401
10402 2009-08-19  Cary Coutant  <ccoutant@google.com>
10403
10404         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10405         symbols in shared libraries overridden by hidden or internal symbols
10406         in the main program.
10407
10408 2009-08-19  Chris Demetriou  <cgd@google.com>
10409
10410         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10411         checking source file names in error messages.
10412
10413 2009-08-18  Doug Kwan  <dougkwan@google.com>
10414
10415         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10416         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10417         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10418         an elfcpp::Ehdr as parameter.
10419         * object.cc (Object::set_target): Remove the version that looks up
10420         a target and sets it.
10421         (Sized_relobj::setup): Take a Target object instead of
10422         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10423         (make_elf_sized_object): Find target and ask target to
10424         make an ELF object.
10425         * object.h: (Object::set_target): Remove the version that looks up
10426         a target and sets it.
10427         (Sized_relobj::setup): Take a Target object instead of
10428         an elfcpp:Ehdr as parameter.
10429         * target.cc: Include dynobj.h.
10430         (Target::do_make_elf_object_implementation): New.
10431         (Target::do_make_elf_object): New.
10432         * target.h (Target::make_elf_object): New template declaration.
10433         (Target::do_make_elf_object): New method declarations.
10434         (Target::do_make_elf_object_implementation): New template declaration.
10435
10436 2009-08-14  Ian Lance Taylor  <iant@google.com>
10437
10438         * gold.h (FUNCTION_NAME): Define.
10439         (gold_unreachable): Use FUNCTION_NAME.
10440
10441 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10442
10443         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10444         symbol in the --keep-unique list is not found.
10445
10446 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10447
10448         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10449         been maked as --keep-unique.
10450         (Icf::unfold_section): New function.
10451         * icf.h (Icf::unfold_section): New function.
10452         * options.h (General_options::keep_unique): New option.
10453         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10454         * testsuite/Makefile.in: Regenerate.
10455         * testsuite/icf_keep_unique_test.sh: New file.
10456         * testsuite/icf_keep_unique_test.cc: New file.
10457
10458 2009-08-12  Cary Coutant  <ccoutant@google.com>
10459
10460         PR 10471
10461         * resolve.cc (Symbol_table::resolve): Check for references from
10462         dynamic objects to hidden and internal symbols.
10463         * testsuite/Makefile.am (hidden_test.sh): New test.
10464         * testsuite/Makefile.in: Regenerate.
10465         * testsuite/hidden_test.sh: New script.
10466         * testsuite/hidden_test_1.c: New test source.
10467         * testsuite/hidden_test_main.c: New test source.
10468
10469 2009-08-11  Doug Kwan  <dougkwan@google.com>
10470
10471         * arm.cc: Update comments.
10472         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10473         segment to locate the .ARM.exidx section if present.
10474
10475 2009-08-09  Doug Kwan  <dougkwan@google.com>
10476
10477         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10478         patch.
10479
10480 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10481         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10482         compiler warnings.
10483
10484 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10485
10486         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10487         valid tls_segment only for non-debug-section relocations.
10488         * testsuite/Makefile.am: Add gc_tls_test.
10489         * testsuite/Makefile.in: Regenerate.
10490         * testsuite/gc_tls_test.cc: New file.
10491         * testsuite/gc_tls_test.sh: New file.
10492
10493 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10494
10495         * icf.cc: New file.
10496         * icf.h: New file.
10497         * Makefile.am (CCFILES): Add icf.cc.
10498         (HFILES): Add icf.h
10499         * Makefile.in: Regenerate.
10500         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10501         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10502         section, symbol and addend information for the relocs.
10503         * gold.cc (queue_middle_tasks): Call identical code folding.
10504         * gold.h: Add defines for multimap.
10505         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10506         to the call of finalize_local_symbols.
10507         * main.cc (main): Create object of class Icf.
10508         * object.cc (Sized_relobj::do_layout): Allow this function to be
10509         called twice during icf.
10510         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10511         to sections marked as identical by icf.
10512         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10513         when available.
10514         (Sized_relobj::do_section_entsize): New function.
10515         * object.h (Object::section_entsize): New function.
10516         (Object::do_section_entsize): New pure virtual function.
10517         (Relobj::finalize_local_symbols): Add new parameter.
10518         (Relobj::do_section_entsize): New function.
10519         * options.h (General_options::icf): New option.
10520         (General_options::icf_iterations): New option.
10521         (General_options::print_icf_sections): New option.
10522         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10523         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10524         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10525         icf.
10526         * symtab.cc (Symbol_table::is_section_folded): New function.
10527         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10528         to sections marked as identical by icf.
10529         * symtab.h (Symbol_table::set_icf): New function.
10530         (Symbol_table::icf): New function.
10531         (Symbol_table::is_section_folded): New function.
10532         (Symbol_table::icf_): New data member.
10533         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10534         * testsuite/Makefile.am: Add commands to build icf_test.
10535         * testsuite/Makefile.in: Regenerate.
10536         * testsuite/icf_test.sh: New file.
10537         * testsuite/icf_test.cc: New file.
10538
10539 2009-07-24  Chris Demetriou  <cgd@google.com>
10540
10541         * layout.cc (is_compressible_debug_section): Fix incorrect
10542         comment about compressed section names.
10543
10544 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10545
10546         PR 10419
10547         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10548
10549 2009-07-16  Ian Lance Taylor  <iant@google.com>
10550
10551         PR 10400
10552         * layout.h: #include <map>.
10553         (class Kept_section): Change from struct to class.  Add accessors
10554         and setters.  Add section size to Comdat_group mapping.  Change
10555         Comdat_group to std::map.  Add is_comdat_ field.  Add
10556         linkonce_size field in union.
10557         (class Layout): Update declaration of find_or_add_kept_section.
10558         Don't declare find_kept_object.
10559         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10560         parameter.  Add object, shndx, is_comdat, and is_group_name
10561         parameters.  Change all callers.  Adjust for new Kept_section.
10562         (Layout::find_kept_object): Remove.
10563         * object.cc (Sized_relobj::include_section_group): Update use of
10564         Kept_section.  Rename secnum to shndx.  Only record
10565         Kept_comdat_section if sections are the same size.
10566         (Sized_relobj::include_linkonce_section): Update use of
10567         Kept_section.  Only record Kept_comdat_section if sections are the
10568         same size.  Set size of linkonce section.
10569         (Sized_relobj::map_to_kept_section): Update call to
10570         get_kept_comdat_section.
10571         * object.h (class Sized_relobj): Rename fields in
10572         Kept_comdat_section to drop trailing underscores; change object
10573         field to Relobj*.  Change Kept_comdat_section_table to store
10574         struct rather than pointer.
10575         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10576         Add kept_object and kept_shndx parameters.  Change all callers.
10577         (Sized_relobj::get_kept_comdat_section): Change return type to
10578         bool.  Add kept_object and kept_shndx parameters.  Change all
10579         callers.
10580         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10581         Layout::find_or_add_kept_section.
10582
10583 2009-07-09  Ian Lance Taylor  <iant@google.com>
10584
10585         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10586         Reserve space in the hash table.
10587
10588 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10589
10590         * fileread.cc (File_read::get_mtime): New method.
10591         * fileread.h (Timespec): New structure.
10592         (File_read::get_mtime): New method.
10593         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10594         Renamed from timestamp_nsec.
10595         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10596         Elf_Xword.
10597         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10598         timestamp_nsec.
10599         (Incremental_inputs::report_archive): Save mtime; style fix.
10600         (Incremental_inputs::report_obejct): Save mtime; style fix.
10601         (Incremental_inputs::report_script): Save mtime; style fix.
10602         (Incremental_inputs::finalize_inputs): Style fix.
10603         (Incremental_inputs::finalize): Style fix.
10604         (Incremental_inputs::create_input_section_data): Store inputs
10605         mtime.
10606         * incremental.h (Incremental_inputs::report_script): Add mtime
10607         argument.
10608         (Incremental_inputs::Input_info::Input_info): Intialize only one
10609         union member.
10610         (Incremental_inputs::Input_info::archive): Move to nameless
10611         union.
10612         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10613         (Incremental_inputs::Input_info::script): Move to nameless union.
10614         (Incremental_inputs::mtime): New field.
10615         * script.cc (read_input_script): Pass file mtime to
10616         Incremental_input.
10617         * script.h (Script_info::inputs): Style fix.
10618
10619 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10620
10621         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10622         instead of 32.
10623
10624 2009-06-24  Ian Lance Taylor  <iant@google.com>
10625
10626         PR 10156
10627         * layout.cc (Layout::choose_output_section): If we find an
10628         existing section, update the flags.
10629         (Layout::create_notes): New function, broken out of
10630         Layout::finalize.
10631         (Layout::finalize): Don't create note sections.
10632         (Layout::create_note): Don't crash if linker script discards
10633         section.
10634         (Layout::create_gold_note): Likewise.
10635         (Layout::create_build_id): Likewise.  Don't set
10636         after_input_sections on the section.
10637         (Layout::create_executable_stack_info): Remove target parameter.
10638         Change caller.
10639         * layout.h (class Layout): Declare create_notes.  Update
10640         declaration of create_executable_stack_info.
10641         * gold.cc (queue_middle_tasks): Call create_notes.
10642         * output.cc (Output_section::update_flags_for_input_section): Move
10643         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10644         invalid.
10645         * output.h (Output_data::mark_address_invalid): New function.
10646         (class Output_section): Only declare, not define,
10647         update_flags_for_input_section.  Remove set_flags.
10648
10649 2009-06-24  Ian Lance Taylor  <iant@google.com>
10650
10651         * script-sections.cc (Output_section_definition::
10652         set_section_addresses): Rename shadowing local load_address to
10653         laddr.
10654
10655 2009-06-24  Ian Lance Taylor  <iant@google.com>
10656
10657         PR 10244
10658         * reloc.cc (relocate_sections): Skip empty relocation sections.
10659
10660 2009-06-23  Ian Lance Taylor  <iant@google.com>
10661
10662         PR 10156
10663         * layout.cc (Layout::create_note): Use choose_output_section
10664         rather than make_output_section.
10665
10666 2009-06-23  Ian Lance Taylor  <iant@google.com>
10667
10668         PR 10237
10669         * options.cc (General_options::parse_V): Set printed_version_.
10670         (General_options::General_options): Initialize printed_version_.
10671         * options.h (class General_options): Add printed_version_ field.
10672         * gold.cc (queue_initial_tasks): If there are no input files,
10673         don't give a fatal error if we printed the version information.
10674         (queue_middle_tasks): If using -r with a shared object, give a
10675         fatal error rather than an ordinary error.
10676
10677 2009-06-23  Ian Lance Taylor  <iant@google.com>
10678
10679         PR 10219
10680         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10681         (Layout::make_output_section): Set have_stabstr_section_ if we see
10682         a .stab*str section.
10683         (Layout::finalize): Call link_stabs_sections.
10684         (Layout::link_stabs_sections): New file.
10685         * layout.h (class Layout): Add have_stabstr_section_ field.
10686         Declare link_stabs_sections.
10687
10688 2009-06-23  Doug Kwan  <dougkwan@google.com>
10689
10690         * Makefile.am (libgold_a_LIBADD): New.
10691         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10692         * Makefile.in: Regenerate.
10693         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10694         * configure: Regenerate.
10695         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10696         * fileread.cc: Include sys/state.h
10697         * gold.h: Declare memmem and strndup if found missing.
10698         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10699
10700 2009-06-23  Ian Lance Taylor  <iant@google.com>
10701
10702         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10703         * configure: Rebuild.
10704
10705 2009-06-23  Ian Lance Taylor  <iant@google.com>
10706
10707         PR 10147
10708         * object.cc (Object::section_contents): Don't try to get a view if
10709         the section has length zero.
10710         (Object::handle_gnu_warning_section): If the section is empty, use
10711         the name of the section as the warning.
10712
10713 2009-06-23  Ian Lance Taylor  <iant@google.com>
10714
10715         PR 10133
10716         * stringpool.h (class Stringpool_template): Add optimize_ field.
10717         (Stringpool_template::set_optimize): New function.
10718         * stringpool.cc (Stringpool_template::Stringpool_template):
10719         Initialize optimize_ field.
10720         (Stringpool_template::set_string_offsets): Test local optimize
10721         fild rather than parameter.
10722         * layout.cc (Layout::Layout): Call set_optimize on the section
10723         name stringpool.
10724
10725 2009-06-22  Ian Lance Taylor  <iant@google.com>
10726
10727         PR 10030
10728         * yyscript.y: Parse TARGET.
10729         * script.cc (script_set_target): New function.
10730         * script-c.h (script_set_target): Declare.
10731         * options.cc (General_options::string_to_object_format): Rename
10732         from string_to_object_format in anonymous namespace.  Change
10733         callers.
10734         * options.h (class General_options): Declare
10735         string_to_object_format.
10736
10737 2009-06-22  Ian Lance Taylor  <iant@google.com>
10738
10739         * script-sections.cc (Script_sections::create_segments): Don't put
10740         program headers in a PT_LOAD segment if -n or -N.
10741
10742 2009-06-22  Ian Lance Taylor  <iant@google.com>
10743
10744         PR 10141
10745         * options.h (class General_options): Add -z lazy and -z now.  Sort
10746         -z options into alphabetical order.
10747         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10748
10749 2009-06-21  Ian Lance Taylor  <iant@google.com>
10750
10751         * layout.cc (Layout::make_output_section): Call
10752         Target::new_output_section.
10753         (Layout::attach_allocated_section_to_segment): Put large section
10754         sections in a separate load segment with the large segment flag
10755         set.
10756         (Layout::segment_precedes): Sort large data segments after other
10757         load segments.
10758         (align_file_offset): New static function.
10759         (Layout::set_segment_offsets): Use align_file_offset.
10760         * output.h (class Output_section): Add is_small_section_ and
10761         is_large_section_ fields.
10762         (Output_section::is_small_section): New function.
10763         (Output_section::set_is_small_section):  New function.
10764         (Output_section::is_large_section): New function.
10765         (Output_section::set_is_large_section): New function.
10766         (Output_section::is_large_data_section): New function.
10767         (class Output_segment): Add is_large_data_segment_ field.
10768         (Output_segment::is_large_data_segment): New function.
10769         (Output_segment::set_is_large_data_segment): New function.
10770         * output.cc (Output_section::Output_section): Initialize new
10771         fields.
10772         (Output_segment::Output_segment): Likewise.
10773         (Output_segment::add_output_section): Add assertion that large
10774         data sections always go in large data segments.  Force small data
10775         sections to the end of the list of data sections.  Force small BSS
10776         sections to the start of the list of BSS sections.  For large BSS
10777         sections to the end of the list of BSS sections.
10778         * symtab.h (class Symbol): Declare is_common_shndx.
10779         (Symbol::is_defined): Check Symbol::is_common_shndx.
10780         (Symbol::is_common): Likewise.
10781         (class Symbol_table): Define enum Commons_section_type.  Update
10782         declarations.  Add small_commons_ and large_commons_ fields.
10783         * symtab.cc (Symbol::is_common_shndx): New function.
10784         (Symbol_table::Symbol_table): Initialize new fields.
10785         (Symbol_table::add_from_object): Put small and large common
10786         symbols in the right list.
10787         (Symbol_table::sized_finalized_symbol): Check
10788         Symbol::is_common_shndx.
10789         (Symbol_table::sized_write_globals): Likewise.
10790         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10791         common symbol lists.  Don't call do_allocate_commons_list if the
10792         list is empty.
10793         (Symbol_table::do_allocate_commons_list): Remove is_tls
10794         parameter.  Add comons_section_type parameter.  Change all
10795         callers.  Handle small and large common symbols.
10796         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10797         Symbol::is_common_shndx.
10798         * resolve.cc (symbol_to_bits): Likewise.
10799         * target.h (Target::small_common_shndx): New function.
10800         (Target::small_common_section_flags): New function.
10801         (Target::large_common_shndx): New function.
10802         (Target::large_common_section_flags): New function.
10803         (Target::new_output_section): New function.
10804         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10805         small_common_section_flags, and large_common_section_flags
10806         fields.
10807         (Target::do_new_output_section): New virtual function.
10808         * arm.cc (Target_arm::arm_info): Initialize new fields.
10809         * i386.cc (Target_i386::i386_info): Likewise.
10810         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10811         Likewise.
10812         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10813         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10814         (Target_x86_64::do_new_output_section): New function.
10815         * configure.ac: Define conditional MCMODEL_MEDIUM.
10816         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10817         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10818         (large_LDFLAGS): Define.
10819         * testsuite/large.c: New file.
10820         * testsuite/testfile.cc (Target_test::test_target_info):
10821         Initialize new fields.
10822         * configure, testsuite/Makefile.in: Rebuild.
10823
10824 2009-06-05  Doug Kwan  <dougkwan@google.com>
10825
10826         * Makefile.am (CCFILES): Add target.cc.
10827         * Makefile.in: Regenerate.
10828         * i386.cc (class Target_i386): Define new virtual method to
10829         override do_is_local_label_name in parent.
10830         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10831         local symbols if --discard-locals or -X is given.
10832         * options.h (class General_options): Declare new options
10833         '--discard-locals' and '-X' for discarding locals.
10834         * target.h (class Target): Define new methods is_local_label_name.
10835         Declare new virtual method do_is_local_label_name.
10836         * target.cc: New file.
10837         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10838         (check_SCRIPTS): Add discard_locals_test.sh.
10839         (check_DATA): Add discard_local_tests.syms.
10840         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10841         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10842         * testsuite/Makefile.in: Regenerate.
10843         * testsuite/discard_locals_test.c: New file.
10844         * testsuite/discard_locals_test.sh: Same.
10845
10846 2009-06-05  Doug Kwan  <dougkwan@google.com>
10847
10848         * object.cc (Sized_relobj::Sized_relobj): Initialize
10849         discarded_eh_frame_shndx_ to -1U.
10850         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10851         section.
10852         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10853         a discarded .eh_frame section.
10854         (Sized_relobj::do_finalize_local_symbols): Ditto.
10855         * object.h (class Sized_relobj): Declare new member
10856         discarded_eh_frame_shndx_.
10857         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10858         (local_labels_test.o, local_labels_test): New rules.
10859         * testsuite/Makefile.in: Regenerate.
10860
10861 2009-06-04  Doug Kwan  <dougkwan@google.com>
10862
10863         * layout.cc (Layout::section_name_mapping): Add mapping for
10864         special ARM sections.
10865
10866 2009-06-03  Doug Kwan  <dougkwan@google.com>
10867
10868         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10869         (utils::has_overflow): Same.
10870
10871 2009-06-03  Ian Lance Taylor  <iant@google.com>
10872
10873         * layout.cc (Layout::section_name_mapping): New array, replacing
10874         Layout::linkonce_mapping.
10875         (Layout::section_name_mapping_count): New variable, replacing
10876         Layout::linkonce_mapping_count.
10877         (Layout::linkonce_output_name): Remove.
10878         (Layout::output_section_name): Rewrite.
10879         * layout.h (class Layout): Rename Linkonce_mapping to
10880         Section_name_mapping, linkonce_mapping to section_name_mapping,
10881         linkonce_mapping_count to section_name_mapping_count.  Don't
10882         declare linkonce_output_name.
10883
10884 2009-06-03  Doug Kwan  <dougkwan@google.com>
10885
10886         * gold/arm.cc (namespace utils): New.
10887         (Target_arm::reloc_is_non_pic): Define new method.
10888         (class Arm_relocate_functions): New.
10889         (Target_arm::Relocate::relocate): Handle relocation types used by
10890         Android.
10891
10892 2009-06-03  Ian Lance Taylor  <iant@google.com>
10893
10894         * arm.cc (Target_arm::scan::global): Use || instead of |.
10895
10896 2009-06-02  Doug Kwan  <dougkwan@google.com>
10897
10898         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10899         issued_non_pic_error_.
10900         (class Target_arm::Scan): Declare new method check_non_pic.
10901         Define new method symbol_needs_plt_entry.
10902         Declare new data member issued_non_pic_error_.
10903         (class Target_arm::Relocate): Declare new method
10904         should_apply_static_reloc.
10905         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10906         (Target_arm::Scan::check_non_pic): Define new method.
10907         (Target_arm::Scan::local): Handle a small subset of reloc types used
10908         by Android.
10909         (Target_arm::Scan::local): Same.
10910         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10911
10912 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10913
10914         * incremental.cc (Incremental_inputs::report_command_line): Filter
10915         out --incremental-* options.
10916
10917 2009-05-29  Doug Kwan  <dougkwan@google.com>
10918
10919         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10920         template class.
10921         (class Target_arm): Update comment.
10922         (Target_arm::Target_arm): Initialize new data members GOT_,
10923         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10924         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10925         and Target_arm::rel_dyn_section.
10926         Declare new_enum Target_arm::Got_type.
10927         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10928         and DYNBSS_.
10929         Update commments for member do_dynsym_value.
10930         (Target_arm::got_size, Target_arm::plt_section,
10931         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10932         new methods inside class defintion.
10933         (Target_arm::got_section): Define new method.
10934         (Target_arm::rel_dyn_section): Same.
10935         (Output_data_plt_arm): New template class.
10936         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10937         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10938         (Output_data_plt_arm::add_entry): Same.
10939         (Output_data_plt_arm::first_plt_entry): Define new
10940         static data member for PLT instruction template.
10941         (Output_data_plt_arm::plt_entry): Same.
10942         (Output_data_plt_arm::do_write): Define new method.
10943         (Target_arm::make_plt_entry): Same.
10944         (Target_arm::do_finalize_sections): Same.
10945         (Target_arm::do_dynsym_value): Same.
10946
10947 2009-05-28  Doug Kwan  <dougkwan@google.com>
10948
10949         * Makefile.am (TARGETSOURCES): Add arm.cc.
10950         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10951         * Makefile.in: Regenerate.
10952         * arm.cc: New file.
10953         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10954
10955 2009-05-26  Doug Kwan  <dougkwan@google.com>
10956
10957         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10958         (General_options::check_excluded_libs): Strip off directories in
10959         archive name before matching like GNU ld does.
10960         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10961         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10962         (exclude_libs_test_LDFLAGS): Add linker option
10963         -Wl,--exclude-libs,libexclude_libs_test_3
10964         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10965         an explicit archive without using -l.
10966         (alt/libexclude_libs_test_3.a): New make rule.
10967         * testsuite/Makefile.in: Regenerate.
10968         * testsuite/exclude_libs_test.c : Declare lib3_default().
10969         (main): Call it.
10970         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10971         * exclude_libs_test_3.c: New file.
10972
10973 2009-05-26  Nick Clifton  <nickc@redhat.com>
10974
10975         * po/id.po: New Indonesian translation.
10976         * po/gold.pot: Updated template file.
10977
10978 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10979
10980         * testsuite/Makefile.am: Add -ffunction-sections to compile
10981         gc_comdat_test files.  Add -Wl,--gc-sections to build
10982         gc_comdat_test.
10983         * testsuite/Makefile.in: Regenerate.
10984         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10985
10986 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10987
10988         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10989         kept comdat section was garbage collected.
10990         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10991         * testsuite/Makefile.in: Regenerate.
10992         * testsuite/gc_comdat_test.sh: New file.
10993         * testsuite/gc_comdat_test_1.cc: New file.
10994         * testsuite/gc_comdat_test_2.cc: New file.
10995
10996 2009-05-19  Doug Kwan  <dougkwan@google.com>
10997
10998         * archive.cc (Archive::Archive): Move constructor from archive.h
10999         to here.  Initialize no_export_.
11000         (Archive::get_elf_object_for_member): Set no_export flag of object.
11001         * archive.h (Archive::Archive): Move constructor body to
11002         archive.cc.
11003         (Archive::no_export): New method.
11004         (Archive::no_export_): New field.
11005         * object.h (Object::Object): Initialize no_export_ to false.
11006         (Object::no_export, Object::set_no_export): New methods.
11007         (Object::no_export_): New field.
11008         * options.cc (General_options::parse_exclude_libs): New method.
11009         (General_options::check_excluded_libs) Same.
11010         * options.h (exclude_libs): New option.
11011         (General_options::check_excluded_libs): New method declaration.
11012         (General_options::excluded_libs_): New field.
11013         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11014         default or protected visibility if an object has no-export flag set.
11015         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11016         (check_SCRIPTS): Add exclude_libs_test.sh.
11017         (check_DATA): Add exclude_libs_test.syms.
11018         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11019         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11020         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11021         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11022         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11023         libexclude_libs_test_2.a): New rules.
11024         * testsuite/Makefile.in: Regenerate.
11025         * testsuite/exclude_libs_test.c: New file.
11026         * testsuite/exclude_libs_test.sh: Ditto.
11027         * testsuite/exclude_libs_test_1.c: Ditto.
11028         * testsuite/exclude_libs_test_2.c: Ditto.
11029
11030 2009-05-15  Ian Lance Taylor  <iant@google.com>
11031
11032         * configure.ac: Check for declarations for cases where libiberty.h
11033         checks HAVE_DECL_xxx.
11034         * configure, config.in: Rebuild.
11035
11036 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11037
11038         * gold.h (Incremental_argument_list): Remove (invalid) forward
11039         declaration.
11040         * incremental.cc (Incremental_inputs::report_achive): New method.
11041         (Incremental_inputs::report_object): New method.
11042         (Incremental_inputs::report_script): New method.
11043         (Incremental_inputs::finalize_inputs): New method.
11044         (Incremental_inputs::finalize): Call finalize_inputs().
11045         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11046         Create inputs entries.
11047         * incremental.h (Incremental_input_type): New enum.
11048         (Incremental_inputs::Incremental_input): Initialize new fields.
11049         (Incremental_inputs::report_inputs): New method.
11050         (Incremental_inputs::report_achive): New method.
11051         (Incremental_inputs::report_object): New method.
11052         (Incremental_inputs::report_script): New method.
11053         (Incremental_inputs::finalize_inputs): New method.
11054         (Incremental_inputs::Input_info): New struct.
11055         (Incremental_inputs::Input_info_map): New typedef.
11056         (Incremental_inputs::lock_): New field.
11057         (Incremental_inputs::Inputs_): New field.
11058         (Incremental_inputs::Inputs_map): New field.
11059         * main.cc (main): Call Incremental_input::report_inputs.
11060         * options.h (Input_argument_list): Typedef moved from
11061         Input_arguments.
11062         (Input_file_group::Files): Remove, use ::Input_argument_list.
11063         (Input_file_group::Input_argument_list): Remove, use
11064         ::Input_argument_list.
11065         * plugin.cc (Plugin_manager::add_input_file): Add error in
11066         incremental build.
11067         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11068         functions.
11069         * script.cc (read_input_script): Call
11070         Incremental_input::report_script.
11071         * script.h (Script_info): New class.
11072
11073 2009-04-27  Ian Lance Taylor  <iant@google.com>
11074
11075         * x86_64.cc (do_adjust_output_section): Set entsize to
11076         plt_entry_size.
11077
11078 2009-04-23  Elliott Hughes  <enh@google.com>
11079
11080         * output.cc (Output_file::close): After short writes, continue
11081         writing from the correct offset in the buffer being written.
11082
11083 2009-04-23  Chris Demetriou  <cgd@google.com>
11084
11085         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11086         * configure: Regenerate.
11087         * config.in: Regenerate.
11088         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11089         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11090
11091 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11092
11093         * incremental.cc (Incremental_inputs_header_data): Renamed from
11094         Incremental_input_header_data.
11095         (Incremental_inputs_header_data::data_size): New field.
11096         (Incremental_inputs_header_data::put_input_file_count): Renamed
11097         from input_file_count.
11098         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11099         from command_line_offset.
11100         (Incremental_inputs_header_data::put_reserved): Renamed from
11101         put_reserved.
11102         (Incremental_inputs_entry_data): Renamed from
11103         Incremental_input_entry_data.
11104         (Incremental_inputs_entry_data::data_size): New field.
11105         (Incremental_inputs::report_command_line): New method.
11106         (Incremental_inputs::finalize): New method.
11107         (Incremental_inputs::create_incremental_inputs_data): New method.
11108         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11109         * incremental.h: New file.
11110         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11111         (Layout::finalize): Create incremental inputs section in
11112         incremental builds.
11113         (Layout::create_incremental_info_sections): New method.
11114         * layout.h (Layout::incremental_inputs): New method.
11115         (Layout::create_incremental_info_sections): New method.
11116         (Layout::incremental_inputs_): New field.
11117         * main.cc (main): Notify Incremental_input of the command line.
11118
11119 2009-04-01  Ian Lance Taylor  <iant@google.com>
11120             Mikolaj Zalewski  <mikolajz@google.com>
11121
11122         * gold.h (reserve_unordered_map): Define, three versions, one for
11123         each version of Unordered_map.
11124         * layout.cc (Layout::Layout): Remove options parameter.  Add
11125         number_of_input_files parameter.  Don't initialize options_.
11126         Initialize number_of_input_files_ and resized_signatures_.  Move
11127         sections_are_attached_.
11128         (Layout::layout_group): Reserve space for group_signatures_.
11129         (Layout::find_or_add_kept_section): Change name parameter to be a
11130         reference.  Resize signatures_ map when it gets large enough.
11131         (Layout::layout_eh_frame): Use parameters->options() instead of
11132         this->options_.
11133         (Layout::make_output_section): Likewise.
11134         (Layout::attach_allocated_section_to_segment): Likewise.
11135         (Layout::finalize, Layout::create_executable_stack): Likewise.
11136         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11137         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11138         * layout.h (class Layout): Update declarations.  Remove options_
11139         field.  Add number_of_input_files_ and resized_signatures_
11140         fields.  Move sections_are_attached_ field.
11141         * main.cc (main): Pass number of input files to Layout
11142         constructor.  Don't pass options.
11143
11144 2009-03-30  Ian Lance Taylor  <iant@google.com>
11145
11146         * ffsll.c (ffsll): Correct implementation.
11147
11148 2009-03-27  Ian Lance Taylor  <iant@google.com>
11149
11150         * ffsll.c: New file.
11151         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11152         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11153         * ftruncate.c (ftruncate): Declare before definition.
11154         * mremap.c (mremap): Likewise.
11155         * pread.c (pread): Likewise.
11156         * configure, Makefile.in, config.in: Rebuild.
11157
11158         * mremap.c: New file.
11159         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11160         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11161         (mremap): Declare if HAVE_MREMAP is not defined.
11162         * configure, Makefile.in, config.in: Rebuild.
11163
11164 2009-03-27  Cary Coutant  <ccoutant@google.com>
11165
11166         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11167         position independent.
11168         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11169         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11170
11171 2009-03-24  Cary Coutant  <ccoutant@google.com>
11172
11173         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11174         an executable.
11175         (needs_dynamic_reloc): Likewise.
11176
11177 2009-03-24  Ian Lance Taylor  <iant@google.com>
11178
11179         * yyscript.y (file_cmd): Recognize EXTERN.
11180         (extern_name_list, extern_name_list_body): New nonterminals.
11181         * script.cc (script_add_extern): Define.
11182         * script-c.h (script_add_extern): Declare.
11183
11184 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11185
11186         * object.cc (is_elf_object): Define.
11187         * object.h (is_elf_object): Declare.
11188         * archive.cc (Archive::get_elf_object_for_member): Call
11189         is_elf_object.
11190         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11191
11192 2009-03-24  Elliott Hughes  <enh@google.com>
11193
11194         * output.cc (Output_file::map_anonymous): Define.
11195         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11196         try an anonymous one.  Report the size if the mmap fails.
11197         * output.h (class Output_file): Declare map_anonymous.
11198
11199 2009-03-24  Ian Lance Taylor  <iant@google.com>
11200
11201         * target-select.cc (instantiate_target): Don't acquire the lock if
11202         the instantiated_target_ field has already been set.
11203
11204 2009-03-23  Ian Lance Taylor  <iant@google.com>
11205
11206         * gold-threads.h (class Initialize_lock): Define.
11207         * gold-threads.cc (class Initialize_lock_once): Define.
11208         (initialize_lock_control): New static variable.
11209         (initialize_lock_pointer): New static variable.
11210         (initialize_lock_once): New static function.
11211         (Initialize_lock::Initialize_lock): Define.
11212         (Initialize_lock::initialize): Define.
11213         * target-select.h: Include "gold-threads.h".
11214         (class Target_selector): Add lock_ and initialize_lock_ fields.
11215         Don't define instantiate_target, just declare it.
11216         * target-select.cc (Target_selector::Target_selector): Initialize
11217         new fields.
11218         (Target_selector::instantiate_target): Define.
11219         * descriptors.h: Include "gold-threads.h".
11220         (class Descriptors): Add initialize_lock_ field.
11221         * descriptors.cc (Descriptors::Descriptors): Initialize new
11222         field.
11223         (Descriptors::open): Use initialize_lock_ field
11224         * errors.h (class Errors): Add initialize_lock_ field.
11225         * errors.cc (Errors::Errors): Initialize new field.
11226         (Errors::initialize_lock): Use initialize_lock_ field.
11227         * powerpc.cc (class Target_selector_powerpc): Remove
11228         instantiated_target_ field.  In do_recognize call
11229         instantiate_target rather than do_instantiate_target.  In
11230         do_instantiate_target just allocate a new target.
11231         * sparc.cc (class Target_selector_sparc): Likewise.
11232
11233         * freebsd.h: New file.
11234         * i386.cc: Include "freebsd.h".
11235         (Target_i386): Derive from Target_freebsd rather than
11236         Sized_target.
11237         (Target_selector_i386): Derive from Target_selector_freebsd rather
11238         than Target_selector.
11239         * x86_64.cc: Include "freebsd.h".
11240         (Target_x86_64): Derive from Target_freebsd rather than
11241         Sized_target.
11242         (Target_selector_x86_64): Derive from Target_selector_freebsd
11243         rather than Target_selector.
11244         * target.h (class Target): Add adjust_elf_header and
11245         do_adjust_elf_header.
11246         * output.cc (Output_file_header:: do_sized_write): Call target
11247         adjust_elf_header routine.
11248         * configure.tgt: Set targ_osabi.
11249         * configure.ac: Define GOLD_DEFAULT_OSABI.
11250         * parameters.cc (Parameters::default_target): Pass
11251         GOLD_DEFAULT_OSABI to select_target.
11252         * target-select.h (class Target_selector): Make instantiate_target
11253         protected rather than private.
11254         * Makefile.am (HFILES): Add freebsd.h.
11255         * configure, Makefile.in, config.in: Rebuild.
11256
11257         * merge.cc (do_add_input_section): Correct pend value.  Change
11258         message about last entry not being null terminated from error to
11259         warning.
11260
11261 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11262
11263         * incremental.cc: New file.
11264         * Makefile.am (CCFILES): Add incremental.cc.
11265         * Makefile.in: Rebuild.
11266
11267 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11268
11269         * layout.cc (Layout::output_section_name): Preserve names
11270         of '.note.' sections.
11271
11272 2009-03-19  Ian Lance Taylor  <iant@google.com>
11273
11274         * descriptors.cc (Descriptors::open): Check that the options are
11275         valid before using them.
11276
11277 2009-03-18  Ian Lance Taylor  <iant@google.com>
11278
11279         * script-sections.h: Include <list>.
11280         (class Script_sections): Change Sections_elements from std::vector
11281         to std::list.  Typedef public Elements_iterator.  Add
11282         orphan_section_placement_, data_segment_align_start_, and
11283         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11284         field.
11285         * script-sections.cc (class Orphan_section_placement): New class.
11286         (class Sections_element): Add virtual functions is_relro and
11287         orphan_section_init.  Remove virtual function place_orphan_here.
11288         (class Output_section_definition): Add is_relro and
11289         orphan_section_init.  Remove place_orphan_here.
11290         (class Orphan_output_section): Likewise.
11291         (Script_sections::Script_sections): Update for field changes.
11292         (Script_sections::data_segment_align): Set saw_data_segment_align_
11293         and data_segment_align_start_, not data_segment_align_index.
11294         (Script_sections::data_segment_relro_end): Check
11295         saw_data_segment_align_.  Use data_segment_align_start_ rather
11296         than data_segment_align_index_.
11297         (Script_sections::place_orphan): Rewrite to use
11298         Orphan_section_placement.
11299
11300 2009-03-17  Ian Lance Taylor  <iant@google.com>
11301
11302         * archive.cc (Archive::add_symbols): Check for a version attached
11303         to the symbol name in the archive map.
11304         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11305         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11306         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11307         (ver_test_11.a): New target.
11308         * testsuite/Makefile.in: Rebuild.
11309
11310         * configure.ac: Check for chsize and posix_fallocate.  Replace
11311         ftruncate.
11312         * ftruncate.c: New file, from gnulib.
11313         * output.cc (posix_fallocate): Define dummy version if not
11314         HAVE_POSIX_FALLOCATE.
11315         (Output_file::map): Call posix_fallocate rather than lseek and
11316         write.
11317         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11318         * configure, Makefile.in, config.in: Rebuild.
11319
11320 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11321
11322         * layout.h (Layout::create_note): Add section_name parameter.
11323         * layout.cc (Layout::create_note): Likewise.
11324         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11325
11326 2009-03-17  Ian Lance Taylor  <iant@google.com>
11327
11328         * descriptors.cc: Include "options.h".
11329         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11330         (Descriptors::open): Always use O_CLOEXEC when opening a new
11331         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11332         then set FD_CLOEXEC.
11333
11334         * sparc.cc (class Target_sparc): Add has_got_section.
11335         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11336         make sure we have a GOT section.
11337
11338         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11339         (Target_sparc::Scan::local): Likewise.
11340         (Target_sparc::Scan::global): Likewise.
11341         (Target_sparc::Relocate::relocate): Likewise.
11342         (Target_sparc::Relocate::relocate_tls): Likewise.
11343
11344         * symtab.cc (Symbol_table::define_default_version): New function,
11345         broken out of add_from_object.
11346         (Symbol_table::add_from_object): Call define_default_version.
11347         (Symbol_table::define_special_symbol): Add resolve_oldsym
11348         parameter.  Change all callers.  If the version for a symbol comes
11349         from a version script, resolve it with the symbol with the same
11350         name with no version.  Also add the symbol without a version if
11351         appropriate.
11352         (do_define_in_output_data): If resolving with oldsym, don't delete
11353         sym.
11354         (do_define_in_output_segment): Likewise.
11355         (do_define_as_constant): Likewise.
11356         * symtab.h (class Symbol_table): Update declarations.
11357
11358 2009-03-13  Ian Lance Taylor  <iant@google.com>
11359
11360         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11361         (Read_symbols::requeue): New function.
11362         (Read_symbols::do_read_symbols): If make_elf_object fails because
11363         the target type is not configured, and the file was searched for,
11364         issue a warning and retry with the next directory.
11365         (Add_symbols::run): If the file has an incompatible format, and
11366         it was searched for, requeue the Read_symbols task.  On error,
11367         release the object.
11368         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11369         dirindex parameter to constructor.  Change all callers.  Declare
11370         incompatible_warning and requeue.
11371         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11372         input_argument_ and input_group_ fields.  Add them to
11373         constructor.  Change all callers.
11374         (class Read_script): Add dirindex_ field.  Add it to constructor.
11375         Change all callers.
11376         * archive.cc (Archive::setup): Remove input_objects parameter.
11377         Change all callers.
11378         (Archive::get_file_and_offset): Likewise.
11379         (Archive::read_all_symbols): Likewise.
11380         (Archive::read_symbols): Likewise.
11381         (Archive::get_elf_object_for_member): Remove input_objects
11382         parameter.  Add punconfigured parameter.  Change all callers.
11383         (Archive::add_symbols): Change return type to bool.  Check return
11384         value of include_member.
11385         (Archive::include_all_members): Likewise.
11386         (Archive::include_member): Change return type to bool.  Return
11387         false if first included object has incompatible target.  Set
11388         included_member_ field.
11389         (Add_archive_symbols::run): If add_symbols returns false, requeue
11390         Read_symbols task.
11391         * archive.h (class Archive): Add included_member_ field.
11392         Initialize it in constructor.  Add input_file and searched_for
11393         methods.  Update declarations.
11394         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11395         input_argument_ fields.  Add them to constructor.  Change all
11396         callers.
11397         * script.cc: Include "target-select.h".
11398         (class Parser_closure): Add skip_on_incompatible_target_ and
11399         found_incompatible_target_ fields.  Add
11400         skip_on_incompatible_target parameter to constructor.  Change all
11401         callers.  Add methods skip_on_incompatible_target,
11402         clear_skip_on_incompatible_target, found_incompatible_target, and
11403         set_found_incompatible_target.
11404         (read_input_script): Add dirindex parameter.  Change all callers.
11405         If parser finds an incompatible target, requeue Read_symbols
11406         task.
11407         (script_set_symbol): Clear skip_on_incompatible_target in
11408         closure.
11409         (script_add_assertion, script_parse_option): Likewise.
11410         (script_start_sections, script_add_phdr): Likewise.
11411         (script_check_output_format): New function.
11412         * script.h (read_input_script): Update declaration.
11413         * script-c.h (script_check_output_format): Declare.
11414         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11415         (ignore_cmd): Remove OUTPUT_FORMAT.
11416         * fileread.cc (Input_file::Input_file): Add explicit this.
11417         (Input_file::will_search_for): New function.
11418         (Input_file::open): Add pindex parameter.  Change all callers.
11419         * fileread.h (class Input_file): Add input_file_argument method.
11420         Declare will_search_for.  Update declarations.
11421         * object.cc (make_elf_object): Add punconfigured parameter.
11422         Change all callers.
11423         * object.h (class Object): Make input_file public.  Add
11424         searched_for method.
11425         (make_elf_object): Update declaration.
11426         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11427         restart search.
11428         * dirsearch.h (class Dirsearch): Update declaration.
11429         * options.h (class General_options): Add --warn-search-mismatch.
11430         * parameters.cc (Parameters::is_compatible_target): New function.
11431         * parameters.h (class Parameters): Declare is_compatible_target.
11432         * workqueue.cc (Workqueue::add_blocker): New function.
11433         * workqueue.h (class Workqueue): Declare add_blocker.
11434
11435         * fileread.cc (Input_file::open): Remove options parameter.
11436         Change all callers.
11437         (Input_file::open_binary): Likewise.
11438         * script.cc (read_input_script): Likewise.
11439         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11440         options parameter from constructor.  Change all callers.
11441         (class Read_script): Likewise.
11442         * fileread.h (class Input_file): Update declarations.
11443         * script.h (read_input_script): Update declaration.
11444
11445 2009-03-10  Nick Clifton  <nickc@redhat.com>
11446
11447         * po/es.po: New Spanish translation.
11448
11449 2009-03-06  Cary Coutant  <ccoutant@google.com>
11450
11451         * options.cc (parse_short_option): Keep dash_z from registering itself.
11452
11453 2009-03-03  Ian Lance Taylor  <iant@google.com>
11454
11455         PR 9918
11456         * target-reloc.h (relocate_section): Pass output_section to
11457         relocate.
11458         * i386.cc (Target_i386::should_apply_static_reloc): Add
11459         output_section parameter.  Change all callers.
11460         (Target_i386::Relocate::relocate): Add output_section parameter.
11461         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11462         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11463         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11464         * testsuite/two_file_shared.sh: New script.
11465         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11466         (check_DATA): Add two_file_shared.dbg.
11467         (two_file_shared.dbg): New target.
11468         * testsuite/Makefile.in: Rebuild.
11469
11470 2009-03-01  Ian Lance Taylor  <iant@google.com>
11471
11472         * configure.ac: Check for byteswap.h.
11473         * configure: Rebuild.
11474         * config.in: Rebuild.
11475
11476 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11477
11478         * layout.cc (Layout::find_or_add_kept_section): New function.
11479         (Layout::add_comdat): Removed.
11480         * layout.h (struct Kept_section): Move out of class Layout.
11481         Remove trailing underscores from field names.  Add group_sections
11482         field.  Rename group_ field to is_group.  Change all uses.
11483         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11484         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11485         comdat_groups_ field.
11486         (Sized_relobj::include_section_group): Use
11487         find_or_add_kept_section and Kept_section::group_sections.
11488         (Sized_relobj::include_linkonce_section): Likewise.
11489         * object.cc (class Sized_relobj): Don't define Comdat_group or
11490         Comdat_group_table.  Remove find_comdat_group and
11491         add_comdat_group.  Remove comdat_groups_ field.
11492         * plugin.cc (include_comdat_group): Use
11493         Layout::find_or_add_kept_section.
11494
11495 2009-02-28  Ian Lance Taylor  <iant@google.com>
11496
11497         * README: --gc-sections and map files are now supported.  Document
11498         some build requirements.
11499
11500         PR 6992
11501         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11502         relocatable link set the value of the section symbol to zero.
11503         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11504         relocatable link don't include the section address in the local
11505         symbol value.
11506
11507 2009-02-27  Ian Lance Taylor  <iant@google.com>
11508
11509         PR 6811
11510         * options.h (class Search_directory): Add is_system_directory.
11511         (class General_options): Declare is_in_system_directory.
11512         * options.cc (get_relative_sysroot): Make static.
11513         (get_default_sysroot): Make static.
11514         (General_optoins::is_in_system_directory): New function.
11515         * fileread.cc (Input_file::is_in_system_directory): New function.
11516         * fileread.h (class Input_file): Declare is_in_system_directory.
11517         * object.h (class Object): Add is_in_system_directory.
11518         (class Input_objects): Remove system_library_directory_ field.
11519         * object.cc (Input_objects::add_object): Don't set
11520         system_library_directory_.
11521         (input_objects::found_in_system_library_directory): Remove.
11522         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11523         parameter.  Change all callers.
11524         (Symbol_table::sized_write_globals): Likewise.
11525         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11526         Call Object::is_in_system_directory.
11527         * symtab.h (class Symbol_table): Update declarations.
11528
11529         PR 5990
11530         * descriptors.h (Open_descriptor): Add is_on_stack field.
11531         * descriptors.cc (Descriptors::open): If the descriptor is on the
11532         top of the stack, remove it.  Initialize is_on_stack field.
11533         (Descriptors::release): Only add pod to stack if it is not on the
11534         stack already.
11535         (Descriptors::close_some_descriptor): Clear stack_next and
11536         is_on_stack fields.
11537
11538         PR 7091
11539         * output.cc (Output_section::find_starting_output_address): Rename
11540         from starting_output_address; add PADDR parameter; change return
11541         type.
11542         * output.h (class Output_section): Declare
11543         find_starting_output_address instead of starting_output_address.
11544         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11545         section symbol for which we can't find a merge section.
11546
11547         PR 9836
11548         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11549         hidden or internal, force the symbol to be local.
11550         * resolve.cc (Symbol::override_visibility): Define.
11551         (Symbol::override_base): Use override_visibility.
11552         (Symbol_table::resolve): Likewise.
11553         (Symbol::override_base_with_special): Likewise.
11554         (Symbol_table::override_with_special): If the visibility is hidden
11555         or internal, force the symbol to be local.
11556         * symtab.h (class Symbol): Add set_visibility and
11557         override_visibility.
11558         * testsuite/ver_test_1.sh: New file.
11559         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11560         (check_DATA): Add ver_test_1.syms.
11561         (ver_test_1.syms): New target.
11562         * testsuite/Makefile.in: Rebuild.
11563
11564 2009-02-25  Cary Coutant  <ccoutant@google.com>
11565
11566         * layout.cc (Layout::choose_output_section): Don't rename sections
11567         when using a linker script that has a SECTIONS clause.
11568         * Makefile.in: Regenerate.
11569
11570         * testsuite/Makefile.am (script_test_5.sh): New test case.
11571         * testsuite/Makefile.in: Regenerate.
11572         * testsuite/script_test_5.cc: New file.
11573         * testsuite/script_test_5.sh: New file.
11574         * testsuite/script_test_5.t: New file.
11575
11576 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11577
11578         * archive.cc (Archive::include_member): Update calls to add_symbols.
11579         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11580         the Layout argument.
11581         * dynobj.h (do_add_symbols): Add the Layout argument.
11582         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11583         Layout argument.
11584         * object.h (Object::add_symbols): Add the Layout argument.
11585         (Object::do_add_symbols): Add the Layout argument.
11586         (Sized_relobj::do_add_symbols): Add the Layout argument.
11587         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11588         Unify the two versions.
11589         (Add_plugin_symbols): Remove.
11590         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11591         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11592         (Add_plugin_symbols): Remove.
11593         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11594         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11595         (Add_symbols::run): Make it work with Pulginobj.
11596
11597 2009-02-06  Ian Lance Taylor  <iant@google.com>
11598
11599         * object.cc (Sized_relobj::do_layout): Make info message start
11600         with lower case letter.
11601
11602 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11603
11604         * binary.cc: Fix file comment.
11605
11606         * options.h (enum Incremental_disposition): Define.
11607         (class General_options): Add new options: --incremental,
11608         --incremental_changed, --incremental_unchanged,
11609         --incremental_unknown.  Add incremental_disposition_ and
11610         implicit_incremental_ fields.
11611         (General_options::incremental_disposition): New function.
11612         (class Position_dependent_options): Add incremental_disposition
11613         option.
11614         (Position_dependent_options::copy_from_options): Set incremental
11615         dispositions.
11616         * options.cc (General_options::parse_incremental_changed): New
11617         function.
11618         (General_options::parse_incremental_unchanged): New function.
11619         (General_options::parse_incremental_unknown): New function.
11620         (General_options::General_options): Initialize new fields
11621         incremental_disposition_ and implicit_incremental_.
11622         (General_options::finalize): Check for uasge of --incremental-*
11623         without --incremental.
11624
11625 2009-02-06  Chris Demetriou  <cgd@google.com>
11626
11627         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11628         pointer and to report location as the file name associated with
11629         the symbol.
11630         (gold_undefined_symbol_at_location): New function to replace the
11631         old gold_undefined_symbol functionality.
11632         * target-reloc.h (relocate_section): Update to use
11633         gold_undefined_symbol_at_location.
11634         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11635         Call gold_undefined_symbol function rather than gold_error.
11636         * errors.h (Errors::undefined_symbol): Take location as a
11637         string, rather than calculating it from a relocation.
11638         * errors.cc (Errors::fatal): Print "fatal error:" before the
11639         formatted message.
11640         (Errors::error, Errors::error_at_location): Print "error: "
11641         before the formatted message.
11642         (Errors::undefined_symbol): Take location as a string, rather
11643         than calculating it from a relocation.
11644         (gold_undefined_symbol_at_location): New function akin to
11645         old gold_undefined_symbol, calculates location from relocation.
11646         (gold_undefined_symbol): Change to take only a Symbol pointer
11647         and to report location as the file name associated with the symbol.
11648         * testsuite/debug_msg.sh: Update for changed error messages.
11649         * testsuite/undef_symbol.sh: Likewise.
11650
11651 2009-02-04  Duncan Sands  <baldrick@free.fr>
11652
11653         PR 9812
11654         * reduced_debug_output.h
11655         (Output_reduced_debug_abbrev_section::failed): Use format for
11656         gold_warning.
11657         (Output_reduced_debug_info_section::faild): Likewise.
11658
11659 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11660
11661         * script.cc (Lazy_demangler): New class.
11662         (Version_script_info::get_symbol_version_helper): Demangle a
11663         symbol only once.
11664
11665 2009-01-29  Cary Coutant  <ccoutant@google.com>
11666
11667         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11668         to __tls_get_addr.
11669         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11670
11671 2009-01-28  Ian Lance Taylor  <iant@google.com>
11672
11673         * version.cc (version_string): Bump to 1.9.
11674
11675         * gold.h: Include <cstring> and <stdint.h>.
11676         * version.cc: Include <cstdio>.
11677         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11678         warning.
11679         * reduced_debug_output.cc (insert_into_vector): Rename from
11680         Insert_into_vector; change all callers.  Use Swap_unaligned to
11681         avoid aliasing issue; remove union since it is unnecessary.
11682
11683 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11684
11685         * Makefile.am (CCFILES): Add gc.cc.
11686         (HFILES): Add gc.h.
11687         * Makefile.in: Regenerate.
11688         * gold.cc (Gc_runner): New class.
11689         (queue_initial_tasks): Call garbage collection related tasks
11690         when corresponding options are invoked.
11691         (queue_middle_gc_tasks): New function.
11692         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11693         processed early before laying out sections during garbage collection.
11694         * gold.h (queue_middle_gc_tasks): New function.
11695         (is_prefix_of): Move from "layout.cc".
11696         * i386.cc (Target_i386::gc_process_relocs): New function.
11697         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11698         * main.cc (main): Create object of class "Garbage_collection".
11699         * object.cc (Relobj::copy_symbols_data): New function.
11700         (Relobj::is_section_name_included): New function.
11701         (Sized_relobj::do_layout): Allow this function to be called twice
11702         during garbage collection and defer layout of section during the
11703         first call.
11704         * object.h (Relobj::get_symbols_data): New function.
11705         (Relobj::is_section_name_included): New function.
11706         (Relobj::copy_symbols_data): New function.
11707         (Relobj::set_symbols_data): New function.
11708         (Relobj::get_relocs_data): New function.
11709         (Relobj::set_relocs_data): New function.
11710         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11711         (Relobj::gc_process_relocs): New function.
11712         (Relobj::do_gc_process_relocs): New pure virtual function.
11713         (Relobj::sd_): New data member.
11714         (Sized_relobj::is_output_section_offset_invalid): New function.
11715         (Sized_relobj::do_gc_process_relocs): New function.
11716         * options.h (General_options::gc_sections): Modify to not be a no-op.
11717         (General_options::print_gc_sections): New option.
11718         * plugin.cc (Plugin_finish::run): Remove function call to
11719         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11720         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11721         * reloc.cc (Read_relocs::run): Add task to process relocs and
11722         determine unreferenced sections when doing garbage collection.
11723         (Gc_process_relocs): New class.
11724         (Sized_relobj::do_gc_process_relocs): New function.
11725         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11726         sections that are garbage collected.
11727         * reloc.h (Gc_process_relocs): New class.
11728         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11729         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11730         symbols whose corresponding sections are garbage collected.
11731         (Symbol_table::Symbol_table): Add new parameter for the garbage
11732         collection object.
11733         (Symbol_table::gc_mark_undef_symbols): New function.
11734         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11735         (Symbol_table::gc_mark_dyn_syms): New function.
11736         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11737         as garbage.
11738         (Symbol_table::add_from_object): Likewise.
11739         (Symbol_table::add_from_relobj): When building shared objects, do not
11740         treat externally visible symbols as garbage.
11741         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11742         table information for static and relocatable links.
11743         * symtab.h (Symbol_table::set_gc): New function.
11744         (Symbol_table::gc): New function.
11745         (Symbol_table::gc_mark_undef_symbols): New function.
11746         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11747         (Symbol_table::gc_mark_dyn_syms): New function.
11748         (Symbol_table::gc_): New data member.
11749         * target.h (Sized_target::gc_process_relocs): New pure virtual
11750         function.
11751         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11752         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11753
11754 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11755
11756         * options.h (General_options::gc_sections): Define as a no-op for now.
11757         (General_options::no_keep_memory): Ditto.
11758         (General_options::Bshareable): Define.
11759         * options.cc (General_options::finalize): Honor -Bshareable.
11760
11761 2009-01-20  Andreas Schwab  <schwab@suse.de>
11762
11763         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11764         read the value in the contents, since we don't use it.  Use the
11765         template endianness when writing.
11766         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11767
11768 2009-01-19  Andreas Schwab  <schwab@suse.de>
11769
11770         * configure.tgt (powerpc64-*): Fix targ_obj.
11771
11772 2009-01-15  Ian Lance Taylor  <iant@google.com>
11773
11774         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11775         local symbols when stripping all symbols.
11776
11777 2009-01-14  Cary Coutant  <ccoutant@google.com>
11778
11779         * output.cc (Output_reloc): Add explicit instantiations.
11780
11781 2009-01-14  Cary Coutant  <ccoutant@google.com>
11782
11783         * archive.cc (Archive::get_elf_object_for_member): Remove call
11784         to File_read::claim_for_plugin.
11785         * descriptors.cc (Descriptors::open): Remove reference to
11786         is_claimed.
11787         (Descriptors::claim_for_plugin): Remove.
11788         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11789         (Descriptors::is_claimed): Remove.
11790         (claim_descriptor_for_plugin): Remove.
11791         * fileread.cc (File_read::claim_for_plugin): Remove.
11792         * fileread.h (File_read::claim_for_plugin): Remove.
11793         (File_read::descriptor): Reopen descriptor if necessary.
11794         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11795         (Plugin_manager::all_symbols_read): Add task parameter. Change
11796         all callers.
11797         (Plugin_manager::get_input_file): New function.
11798         (Plugin_manager::release_input_file): New function.
11799         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11800         corresponding data member.
11801         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11802         and pass to base constructor. Change all callers.
11803         (get_input_file, release_input_file): New functions.
11804         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11805         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11806         (Plugin_manager::all_symbols_read): Add task parameter.
11807         (Plugin_manager::get_input_file): New function.
11808         (Plugin_manager::release_input_file): New function.
11809         (Plugin_manager::task_): New data member.
11810         (Pluginobj::Pluginobj): Add filesize parameter.
11811         (Pluginobj::filename): New function.
11812         (Pluginobj::descriptor): New function.
11813         (Pluginobj::filesize): New function.
11814         (Pluginobj::filesize_): New data member.
11815         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11816         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11817         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11818
11819         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11820         with archive libraries.
11821         * testsuite/Makefile.in: Regenerate.
11822         * testsuite/plugin_test.c (struct sym_info): New type.
11823         (get_input_file, release_input_file): New static variables.
11824         (onload): Capture new transfer vector entries.
11825         (claim_file_hook): Stop reading at end of file according to filesize.
11826         Factor out parsing of readelf output into separate function.
11827         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11828         APIs and get the source file name from the symbol table.  Convert
11829         source file name to corresponding object file name.  Print info
11830         message when adding new input files.
11831         (parse_readelf_line): New function.
11832         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11833         * testsuite/plugin_test_2.sh: Likewise.
11834         * testsuite/plugin_test_3.sh: Likewise.
11835         * testsuite/plugin_test_4.sh: New test case.
11836
11837 2009-01-07  Ian Lance Taylor  <iant@google.com>
11838
11839         * version.cc (version_string): Bump to 1.8.
11840
11841 2008-12-23  Cary Coutant  <ccoutant@google.com>
11842
11843         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11844         * plugin.cc (Plugin_manager::finish): Rename as
11845         layout_deferred_objects.  Move cleanup to separate function.
11846         (Plugin_manager::cleanup): New function.
11847         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11848         separately.
11849         * plugin.h (Plugin_manager::finish): Rename as
11850         layout_deferred_objects.
11851         (Plugin_manager::cleanup): New function.
11852         (Plugin_manager::cleanup_done): New field.
11853
11854 2008-12-23  Cary Coutant  <ccoutant@google.com>
11855
11856         * plugin.cc (is_visible_from_outside): New function.
11857         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11858         so we don't return "IR only" status for exported symbols or -r links.
11859
11860         * testsuite/Makefile.am (plugin_test_3): New test case.
11861         * testsuite/Makefile.in: Regenerate.
11862         * testsuite/plugin_test_3.sh: New file.
11863
11864 2008-12-22  Cary Coutant  <ccoutant@google.com>
11865
11866         * object.cc (Sized_relobj::layout_section): New function.
11867         (Sized_relobj::do_layout): Defer layout of input sections until after
11868         plugin has provided replacement files.
11869         (Sized_relobj::do_layout_deferred_sections): New function.
11870         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11871         (Relobj::layout_deferred_sections): New function.
11872         (Relobj::do_layout_deferred_sections): New function.
11873         (Sized_relobj::do_layout_deferred_sections): New function.
11874         (Sized_relobj::layout_section): New function.
11875         (Sized_relobj::Deferred_layout): New structure.
11876         (Sized_relobj::deferred_layout_): New field.
11877         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11878         Change all callers.  Layout deferred sections.
11879         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11880         references.
11881         (Plugin_hook::run): Move code from do_plugin_hook inline.
11882         (Plugin_hook::do_plugin_hook): Remove.
11883         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11884         (Plugin_manager::finish): Renamed, was cleanup.
11885         (Plugin_manager::should_defer_layout): New function.
11886         (Plugin_manager::add_deferred_layout_object): New function.
11887         (Plugin_manager::Deferred_layout_list): New type.
11888         (Plugin_manager::deferred_layout_objects_): New field.
11889         (Plugin_hook::do_plugin_hook): Remove.
11890
11891 2008-12-17  Ian Lance Taylor  <iant@google.com>
11892
11893         * options.h (class General_options): Add --no case for
11894         --export-dynamic.
11895
11896 2008-12-16  Cary Coutant  <ccoutant@google.com>
11897
11898         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11899         vector.
11900         (Plugin_manager::claim_file): Create plugin object even if
11901         plugin did not call the add_symbols callback.
11902         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11903         asking for more symbols than were added.
11904         * testsuite/Makefile.am (plugin_test_1): Add test case with
11905         no global symbols.
11906         (empty.syms): New target.
11907         * testsuite/Makefile.in: Regenerate.
11908         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11909         message. Don't call add_symbols if no globals.
11910         (all_symbols_read_hook): Don't provide replacement for empty
11911         claimed file.
11912
11913 2008-12-12  Ian Lance Taylor  <iant@google.com>
11914
11915         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11916         r_type == 0 for a local symbol with r_sym == 0.
11917         (scan_relocatable_relocs): Pass r_sym to
11918         local_non_section_strategy.
11919         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11920         r_sym parameter.
11921
11922         * configure.ac: Update test for TLS descriptors: they are
11923         supported as of glibc 2.9.
11924         * configure: Rebuild.
11925
11926 2008-12-11  Ian Lance Taylor  <iant@google.com>
11927
11928         PR 7091
11929         * target-reloc.h (Default_scan_relocatable_relocs): For each
11930         function, map r_type == 0 to RELOC_DISCARD.
11931
11932 2008-12-10  Cary Coutant  <ccoutant@google.com>
11933
11934         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11935         object to override a kept COMDAT group from a plugin object.
11936
11937 2008-12-09  Ian Lance Taylor  <iant@google.com>
11938
11939         PR 7088
11940         * yyscript.y (file_cmd): Handle INPUT.
11941
11942         * testsuite/initpri1.c: Change all declarations to be full
11943         prototypes by adding void, to avoid compiler warnings.
11944
11945 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11946
11947         * options.cc (General_options::parse_plugin_opt): New.
11948         (General_options::add_plugin): The argument now is just the filename.
11949         (General_options::add_plugin_option): New.
11950         * options.h (plugin_opt): New.
11951         (add_plugin): Change argument name.
11952         (add_plugin_option): New.
11953         * plugin.cc (Plugin::load): Don't parse the plugin option.
11954         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11955         (Plugin::add_option): New.
11956         (Plugin::args_): Change type.
11957         (Plugin::filename_): New.
11958         (Plugin_manager::add_plugin_option): New.
11959         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11960         * testsuite/Makefile.in: Regenerate.
11961
11962 2008-12-05  Cary Coutant  <ccoutant@google.com>
11963
11964         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11965         Handle --strip-lto-sections option.
11966         * options.h (strip_lto_sections): New option.
11967
11968 2008-12-01  Cary Coutant  <ccoutant@google.com>
11969
11970         * plugin.cc (ld_plugin_message): Change format parameter to const.
11971         Fix mismatch between new[] and delete.
11972
11973 2008-11-14  Cary Coutant  <ccoutant@google.com>
11974
11975         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11976         instead of -1U.
11977
11978 2008-11-05  Craig Silverstein  <csilvers@google.com>
11979
11980         * options.cc (General_options::parse_dynamic_list): New function.
11981         * options.h (General_options): New flags dynamic_list,
11982         dynamic_list_data, dynamic_list_cpp_new, and
11983         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11984         (General_options::in_dynamic_list): New function.
11985         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11986         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11987         (Lex::can_continue_name): Likewise.
11988         (yylex): Likewise.
11989         (read_script_file): New parameter script_options.
11990         (read_dynamic_list): New function.
11991         (Script_options::define_dynamic_list): New function.
11992         (dynamic_list_keyword_parsecodes): New variable.
11993         (dynamic_list_keywords): New variable.
11994         * script.h (Script_options::define_dynamic_list): New function
11995         prototype.
11996         (read_dynamic_list): New function prototype.
11997         * symtab.cc (strprefix): New macro.
11998         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11999         dynamic_list_data, dynamic_list_cpp_new, and
12000         dynamic_list_cpp_typeinfo.
12001         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12002         (dynamic_list_expr): New rule.
12003         (dynamic_list_nodes): Likewise.
12004         (dynamic_list_node): Likewise.
12005         * testsuite/Makefile.am (dynamic_list): New test.
12006         * testsuite/Makefile.in: Regenerated.
12007         * testsuite/dynamic_list.t: New file.
12008         * testsuite/dynamic_list.sh: New file.
12009
12010 2008-11-05  Craig Silverstein  <csilvers@google.com>
12011
12012         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12013         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12014         (t11_last): Likewise.
12015         * testsuite/ver_test_6.c (main): Likewise.
12016
12017 2008-10-07  Cary Coutant  <ccoutant@google.com>
12018
12019         * options.c (General_options::finalize): Add check for -static and
12020         -shared.
12021         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12022         is not empty.
12023
12024 2008-10-02  Cary Coutant  <ccoutant@google.com>
12025
12026         * plugin.cc (make_sized_plugin_object): Fix conditional
12027         compilation to work when not all targets are enabled.
12028
12029 2008-09-29  Cary Coutant  <ccoutant@google.com>
12030
12031         * archive.cc (Archive::get_file_and_offset): Use filename instead
12032         of name to get library path.
12033         (Archive::include_member): Unlock external member of a thin archive.
12034
12035         * testsuite/Makefile.am (TEST_AR): New variable.
12036         (thin_archive_test_1): New test.
12037         (thin_archive_test_2): New test.
12038         * testsuite/Makefile.in: Regenerate.
12039         * testsuite/thin_archive_main.cc: New file.
12040         * testsuite/thin_archive_test_1.cc: New file.
12041         * testsuite/thin_archive_test_2.cc: New file.
12042         * testsuite/thin_archive_test_3.cc: New file.
12043         * testsuite/thin_archive_test_4.cc: New file.
12044
12045 2008-09-29  Cary Coutant  <ccoutant@google.com>
12046
12047         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12048         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12049         instead of -1U.
12050         (Sized_relobj::do_finalize_local_symbols): Likewise.
12051         (Sized_relobj::map_to_kept_section): Likewise.
12052         * object.h (Sized_relobj::invalid_address): New constant.
12053         (Sized_relobj::do_output_section_offset): Check for invalid_address
12054         and return -1ULL.
12055         * output.cc (Output_reloc::local_section_offset): Use constant
12056         invalid_address instead of -1U.
12057         (Output_reloc::get_address): Likewise.
12058         (Output_section::output_address): Change -1U to -1ULL.
12059         * output.h (Output_reloc::invalid_address): New constant.
12060         * reloc.cc (Sized_relobj::write_sections): Use constant
12061         invalid_address instead of -1U.
12062         (Sized_relobj::relocate_sections): Likewise.
12063         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12064         values for merge sections.
12065         * target-reloc.h (relocate_for_relocatable): Use constant
12066         invalid_address instead of -1U.
12067
12068 2008-09-19  Cary Coutant  <ccoutant@google.com>
12069
12070         Add plugin functionality for link-time optimization (LTO).
12071         * configure.ac (plugins): Add --enable-plugins option.
12072         * configure: Regenerate.
12073         * config.in: Regenerate.
12074         * Makefile.am (LIBDL): New variable.
12075         (CCFILES): Add plugin.cc.
12076         (HFILES): Add plugin.h.
12077         (ldadd_var): Add LIBDL.
12078         * Makefile.in: Regenerate.
12079
12080         * archive.cc: Include "plugin.h".
12081         (Archive::setup): Don't preread archive symbols when using a plugin.
12082         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12083         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12084         files.
12085         (Archive::include_member): Add symbols from plugin objects.
12086         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12087         * descriptors.cc (Descriptors::open): Check for file descriptors
12088         abandoned by plugins.
12089         (Descriptors::claim_for_plugin): New function.
12090         * descriptors.h (Descriptors::claim_for_plugin): New function.
12091         (Open_descriptor::is_claimed): New field.
12092         (claim_descriptor_for_plugin): New function.
12093         * fileread.cc (File_read::claim_for_plugin): New function.
12094         * fileread.h (File_read::claim_for_plugin): New function.
12095         (File_read::descriptor): New function.
12096         * gold.cc: Include "plugin.h".
12097         (queue_initial_tasks): Add task to call plugin hooks for generating
12098         new object files.
12099         * main.cc: Include "plugin.h".
12100         (main): Load plugin libraries.
12101         * object.h (Pluginobj): Declare.
12102         (Object::pluginobj): New function.
12103         (Object::do_pluginobj): New function.
12104         (Object::set_target): New function.
12105         * options.cc: Include "plugin.h".
12106         (General_options::parse_plugin): New function.
12107         (General_options::General_options): Initialize plugins_ field.
12108         (General_options::add_plugin): New function.
12109         * options.h (Plugin_manager): Declare.
12110         (General_options): Add --plugin option.
12111         (General_options::has_plugins): New function.
12112         (General_options::plugins): New function.
12113         (General_options::add_plugin): New function.
12114         (General_options::plugins_): New field.
12115         * plugin.cc: New file.
12116         * plugin.h: New file.
12117         * readsyms.cc: Include "plugin.h".
12118         (Read_symbols::do_read_symbols): Check for archive before checking
12119         for ELF file.  Call plugin hooks to claim files.
12120         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12121         from a real object file; force override when processing replacement
12122         files.
12123         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12124         (Symbol::init_base_object): Likewise.
12125         (Symbol::init_base_output_data): Likewise.
12126         (Symbol::init_base_output_segment): Likewise.
12127         (Symbol::init_base_constant): Likewise.
12128         (Symbol::init_base_undefined): Likewise.
12129         (Symbol::output_section): Assert that object is not a plugin.
12130         (Symbol_table::add_from_pluginobj): New function.
12131         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12132         undefined.
12133         (Symbol_table::sized_write_globals): Likewise.
12134         (Symbol_table::add_from_pluginobj): Instantiate template.
12135         * symtab.h (Sized_pluginobj): Declare.
12136         (Symbol::in_real_elf): New function.
12137         (Symbol::set_in_real_elf): New function.
12138         (Symbol::in_real_elf_): New field.
12139         (Symbol_table::add_from_pluginobj): New function.
12140
12141         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12142         (LIBDL): New variable.
12143         (LDADD): Add LIBDL.
12144         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12145         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12146         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12147         (MOSTLYCLEANFILES): Likewise.
12148         * testsuite/Makefile.in: Regenerate.
12149         * testsuite/plugin_test.c: New file.
12150         * testsuite/plugin_test_1.sh: New file.
12151         * testsuite/plugin_test_2.sh: New file.
12152
12153 2008-09-16  Ian Lance Taylor  <iant@google.com>
12154
12155         * target-reloc.h (relocate_section): Check whether a symbol is
12156         defined by the ABI before reporting an undefined symbol error.
12157         * target.h (Target::is_defined_by_abi): Make parameter const.
12158         (Target::do_is_defined_by_abi): Likewise.
12159         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12160         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12161         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12162         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12163         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12164         * testsuite/Makefile.in: Rebuild.
12165
12166         * fileread.cc (make_view): Add casts to avoid warning.
12167
12168 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12169
12170         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12171         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12172
12173 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12174
12175         * options.h (General_options::output_is_executable): New.
12176         (General_options::output_is_pie): New.
12177         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12178         for shared libraries.
12179         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12180
12181 2008-09-11  Chris Demetriou  <cgd@google.com>
12182
12183         * options.h (origin): New -z option.
12184         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12185         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12186         in DT_FLAGS_1.
12187
12188 2008-09-05  Cary Coutant  <ccoutant@google.com>
12189
12190         * fileread.cc (File_read::make_view): Add check for attempt to map
12191         beyond end of file.
12192
12193 2008-09-05  Cary Coutant  <ccoutant@google.com>
12194
12195         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12196         explicit instantiations.
12197
12198 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12199
12200         PR gold/6858
12201         * options.cc (General_options::finalize): Allow undefined symbols
12202         in shlibs if linking -shared.
12203
12204         PR gold/6859
12205         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12206         symbols as not needing a dynsym entry.
12207
12208 2008-08-20  Craig Silverstein  <csilvers@google.com>
12209
12210         * fileread.cc (File_read::open): Do not lock the file unless it
12211         was successfully opened.
12212
12213 2008-08-14  Cary Coutant  <ccoutant@google.com>
12214
12215         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12216         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12217         * testsuite/tls_test.cc (struct int128): 128-bit struct
12218         for testing TLS relocs with non-zero addend.
12219         (v12): New TLS variable.
12220         (t12): New test.
12221         (t_last): Add check for v12.
12222         * testsuite/tls_test.h (t12): New function.
12223         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12224
12225 2008-08-13  Ian Lance Taylor  <iant@google.com>
12226
12227         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12228         set tls_segment_ or relro_segment_.
12229         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12230         when appropriate.
12231         * output.h (Output_section::clear_is_relro): New function.
12232         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12233         sections specially even when output_data_ is empty.
12234         (Output_segment::maximum_alignment): When first section is relro,
12235         only force alignment for PT_LOAD segments.
12236         * script.cc (script_data_segment_align): New function.
12237         (script_data_segment_relro_end): New function.
12238         * script-c.h (script_data_segment_align): Declare.
12239         (script_data_segment_relro_end): Declare.
12240         * script-sections.h (class Script_sections): Declare
12241         data_segment_align and data_segment_relro_end.  Add fields
12242         segment_align_index_ and saw_relro_end_.
12243         * script-sections.cc (class Sections_element): Add set_is_relro
12244         virtual function.  Add new bool* parameter to place_orphan_here.
12245         Add get_output_section virtual function.
12246         (class Output_section_definition): Add set_is_relro.  Add new
12247         bool* parameter to place_orphan_here.  Add get_output_section.
12248         Add is_relro_ field.
12249         (Output_section_definition::Output_section_definition): Initialize
12250         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12251         and is_relro_ fields.
12252         (Output_section_definition::place_orphan_here): Add is_relro
12253         parameter.
12254         (Output_section_definition::set_section_addresses): Set relro for
12255         output section.
12256         (Output_section_definition::alternate_constraint): Likewise.
12257         (class Orphan_output_section): Add new bool* parameter to
12258         place_orphan_here.  Add get_output_section.
12259         (Orphan_output_section::place_orphan_here): Add is_relro
12260         parameter.
12261         (Script_sections::Script_sections): Initialize
12262         data_segment_align_index_ and saw_relro_end_.
12263         (Script_sections::data_segment_align): New function.
12264         (Script_sections::data_segment_relro_end): New function.
12265         (Script_sections::place_orphan): Set or clear is_relro.
12266         (Script_sections::set_section_addresses): Force alignment of first
12267         TLS section.
12268         * yyscript.y (exp): Call script_data_segment_align and
12269         script_data_segment_relro_end.
12270         * testsuite/relro_script_test.t: New file.
12271         * testsuite/relro_test.cc (using_script): Declare.
12272         (t1, t2): Test using_script.
12273         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12274         (relro_script_test_SOURCES): Define.
12275         (relro_script_test_DEPENDENCIES): Define.
12276         (relro_script_test_LDFLAGS): Define.
12277         (relro_script_test_LDADD): Define.
12278         (relro_script_test.so): New target.
12279         * testsuite/Makefile.in: Rebuild.
12280
12281 2008-08-06  Cary Coutant <ccoutant@google.com>
12282
12283         * archive.cc (Archive::total_archives, Archive::total_members)
12284         (Archive::total_members_loaded): New variables.
12285         (Archive::setup): Add parameter.  Add option to preread
12286         archive symbols.
12287         (Archive::read_armap): Add counter.
12288         (Archive::get_file_and_offset): New function.
12289         (Archive::get_elf_object_for_member): New function.
12290         (Archive::read_all_symbols): New function.
12291         (Archive::read_symbols): New function.
12292         (Archive::add_symbols): Add counters.
12293         (Archive::include_all_members): Use armap to find members if it's
12294         already built.
12295         (Archive::include_member): Skip reading symbols if already read.
12296         Factored code into Archive::get_file_and_offset and
12297         Archive::get_elf_object_for_member.  Changed call to
12298         Mapfile::report_include_archive_member.
12299         (Archive::print_stats): New function.
12300         * archive.h: Declare Object and Read_symbols_data classes.
12301         (Archive::Archive): Add initializers for new members.
12302         (Archive::setup): Add parameter.
12303         (Archive::print_stats): New function.
12304         (Archive::total_archives, Archive::total_members)
12305         (Archive::total_members_loaded): New variables.
12306         (Archive::get_file_and_offset): New function.
12307         (Archive::get_elf_object_for_member): New function.
12308         (Archive::read_all_symbols): New function.
12309         (Archive::read_symbols): New function.
12310         (Archive::Archive_member): New class.
12311         (Archive::members_): New member.
12312         (Archive::num_members_): New member.
12313         * main.cc: Include archive.h.
12314         (main): Call Archive::print_stats.
12315         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12316         archive parameter; member_name is now the fully-decorated name.
12317         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12318         * options.h: (General_options): Add --preread-archive-symbols option.
12319         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12320         Archive::setup.
12321
12322 2008-08-04  Ian Lance Taylor  <iant@google.com>
12323
12324         * symtab.h (Symbol::use_plt_offset): New function.
12325         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12326         * powerpc.cc (Relocate::relocate): Likewise.
12327         * sparc.cc (Relocate::relocate): Likewise.
12328         * x86_64.cc (Relocate::relocate): Likewise.
12329         * testsuite/weak_plt.sh: New test.
12330         * testsuite/weak_plt_main.cc: New test.
12331         * testsuite/weak_plt_shared.cc: New test.
12332         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12333         (check_PROGRAMS): Add weak_plt.
12334         (check_DATA): Add weak_plt_shared.so.
12335         (weak_plt_main_pic.o, weak_plt): New targets.
12336         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12337         * testsuite/Makefile.in: Rebuild.
12338
12339         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12340         gcctestdir/ld.
12341         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12342         * testsuite/Makefile.in: Rebuild.
12343
12344 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12345
12346         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12347         * Makefile.in: Regenerate.
12348         * po/POTFILES.in: Regenerate.
12349
12350 2008-07-29  Ian Lance Taylor  <iant@google.com>
12351
12352         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12353         symbols before other symbols.
12354         * testsuite/script_test_2.cc (test_addr): Declare.
12355         (test_addr_alias): Declare.
12356         (main): Check that test_addr and test_addr_alias have the right
12357         values.
12358         * testsuite/script_test_2.t: Define test_addr_alias and
12359         test_addr.
12360
12361 2008-07-24  Ian Lance Taylor  <iant@google.com>
12362
12363         PR 5990
12364         * descriptors.cc: New file.
12365         * descriptors.h: New file.
12366         * gold-threads.h (class Hold_optional_lock): New class.
12367         * fileread.cc: Include "descriptors.h".
12368         (File_read::~File_read): Release descriptor rather than closing
12369         it.
12370         (File_read::open) [file]: Call open_descriptor rather than open.
12371         Set is_descriptor_opened_.
12372         (File_read::open) [memory]: Assert that descriptor is not open.
12373         (File_read::reopen_descriptor): New function.
12374         (File_read::release): Release descriptor.
12375         (File_read::do_read): Make non-const.  Reopen descriptor.
12376         (File_read::read): Make non-const.
12377         (File_read::make_view): Reopen descriptor.
12378         (File_read::do_readv): Likewise.
12379         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12380         Update declarations.
12381         * layout.cc: Include "descriptors.h".
12382         (Layout::create_build_id): Use open_descriptor rather than open.
12383         * output.cc: Include "descriptors.h".
12384         (Output_file::open): Use open_descriptor rather than open.
12385         * archive.cc (Archive::const_iterator): Change Archive to be
12386         non-const.
12387         (Archive::begin, Archive::end): Make non-const.
12388         (Archive::count_members): Likewise.
12389         * archive.h (class Archive): Update declarations.
12390         * object.h (Object::read): Make non-const.
12391         * Makefile.am (CCFILES): Add descriptors.cc.
12392         (HFILES): Add descriptors.h.
12393         * Makefile.in: Rebuild.
12394
12395         PR 6716
12396         * gold.h: Always include <clocale>.  Add Solaris workarounds
12397         following code in binutils/sysdep.h.
12398
12399         PR 6048
12400         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12401         this->eh_frame_hdr_ is NULL before using it.
12402
12403         * dynobj.cc (Versions::Versions): Update comment.
12404
12405         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12406         the base version name.
12407
12408         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12409         array size plus one.
12410         (Stringpool_template::set_string_offsets): Subtract one from key
12411         before using it as an array index.
12412         (Stringpool_template::get_offset_with_length): Likewise.
12413         (Stringpool_template::write_to_buffer): Likewise.
12414         * stringpool.h (Stringpool_template::get_offset_from_key):
12415         Likewise.
12416
12417 2008-07-23  Ian Lance Taylor  <iant@google.com>
12418
12419         PR 6658
12420         * object.h (Merged_symbol_value::value): Do our best to handle a
12421         negative addend.
12422
12423         PR 6647
12424         * script.cc (Version_script_info::get_versions): Don't add empty
12425         version tag to return value.
12426         (Version_script_info::get_symbol_version_helper): Change return
12427         type to bool.  Add pversion parameter.  Change all callers.
12428         (script_register_vers_node): Don't require a non-NULL tag.
12429         * script.h (class Version_script_info): Update declarations.
12430         (Version_script_info::get_symbol_version): Change return type to
12431         bool.  Add version parameter.  Change all callers.
12432         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12433         handling.  Handle an empty version from a version script.
12434         (Symbol_table::define_special_symbol): Likewise.
12435         * testsuite/ver_test_10.script: New file.
12436         * testsuite/ver_test_10.sh: New file.
12437         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12438         (check_DATA): Add ver_test_10.syms.
12439         (ver_test_10.syms, ver_test_10.so): New target.
12440         * testsuite/Makefile.in: Rebuild.
12441
12442 2008-07-23  Simon Baldwin  <simonb@google.com>
12443
12444         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12445         to zero for undefined symbols from dynamic libraries.
12446
12447 2008-07-23  Ian Lance Taylor  <iant@google.com>
12448
12449         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12450         Change all callers.
12451         * symtab.h (class Symbol_table): Update declaration.
12452         * testsuite/ver_test_9.cc: New file.
12453         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12454         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12455         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12456         (ver_test_9.so, ver_test_9.o): New targets.
12457         * testsuite/Makefile.in: Rebuild.
12458
12459 2008-07-22  Ian Lance Taylor  <iant@google.com>
12460
12461         * options.h (class General_options): Define --check-sections.
12462         * layout.cc (Layout::set_segment_offsets): Handle
12463         --check-sections.
12464
12465         * options.h (class General_options): Define -n/--nmagic and
12466         -N/--omagic.
12467         * options.cc (General_options::finalize): For -n/--nmagic or
12468         -N/--omagic, set -static.
12469         * layout.cc (Layout::attach_allocated_section_to_segment): If
12470         -N/--omagic, don't put read-only and read-write sections in
12471         different segments.
12472         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12473         finding a read-only segment.
12474         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12475         don't set the minimum segment alignment to the common page size,
12476         and don't set the file offset to the address modulo the page size.
12477         * script-sections.cc (Script_sections::create_segments): If
12478         -n/--omagic, don't put read-only and read-write sections in
12479         different segments.
12480
12481         * cref.cc: New file.
12482         * cref.h: New file.
12483         * options.h (class General_options): Add --print-symbol-counts.
12484         * main.cc (main): Issue defined symbol report if requested.
12485         * archive.cc (Archive::interpret_header): Make into a const member
12486         function.
12487         (Archive::add_symbols): Call Input_objects::archive_start and
12488         archive_stop.
12489         (Archive::const_iterator): Define new class.
12490         (Archive::begin, Archive::end): New functions.
12491         (Archive::include_all_members): Rewrite to use iterator.
12492         (Archive::count_members): New function.
12493         * archive.h (class Archive): Update declarations.
12494         (Archive::filename): New function.
12495         * object.cc: Include "cref.h".
12496         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12497         (Sized_relobj::do_get_global_symbol_counts): New function.
12498         (Input_objects::add_object): Add object to cross-referencer.
12499         (Input_objects::archive_start): New function.
12500         (Input_objects::archive_stop): New function.
12501         (Input_objects::print_symbol_counts): New function.
12502         * object.h: Declare Cref and Archive.
12503         (Object::get_global_symbol_counts): New function.
12504         (Object::do_get_global_symbol_counts): New pure virtual function.
12505         (class Sized_relobj): Add defined_count_ field.  Update
12506         declarations.
12507         (class Input_objects): Add cref_ field.  Update constructor.
12508         Update declarations.
12509         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12510         defined_count_.
12511         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12512         symbol counts.
12513         (Sized_dynobj::do_get_global_symbol_counts): New function.
12514         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12515         defined_count_.  Update declarations.  Define Symbols typedef.
12516         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12517         parameter.  Change all callers.
12518         (Symbol_table::add_from_dynobj): Add sympointers and defined
12519         parameters.  Change all callers.
12520         * symtab.h (class Symbol_table): Update declarations.
12521         * Makefile.am (CCFILES): Add cref.cc.
12522         (HFILES): Add cref.h.
12523         * Makefile.in: Rebuild.
12524
12525 2008-07-22  Simon Baldwin  <simonb@google.com>
12526
12527         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12528         to zero when writing undefined symbols.
12529
12530 2008-07-22  Ian Lance Taylor  <iant@google.com>
12531
12532         * output.cc (Output_section::add_input_section): Don't try to
12533         merge empty merge sections.
12534
12535 2008-07-21  Craig Silverstein  <csilvers@google.com>
12536
12537         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12538         Include symbol version in error message.
12539
12540 2008-07-20  Chris Demetriou  <cgd@google.com>
12541
12542         * configure.ac (gold_cv_c_random_seed): New configured variable.
12543         (RANDOM_SEED_CFLAGS): New substituted variable.
12544         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12545         * configure: Rebuild.
12546         * Makefile.in: Likewise.
12547         * testsuite/Makefile.in: Likewise.
12548
12549 2008-07-18  Ian Lance Taylor  <iant@google.com>
12550
12551         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12552         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12553         * testsuite/ver_test_main.cc (main): Call t4.
12554         (t4, t4_2a): Define.
12555         * testsuite/ver_test_2.cc (t4_2): Define.
12556         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12557         * testsuite/ver_test_4.cc (t4_2a): Define.
12558         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12559         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12560
12561 2008-07-17  Ian Lance Taylor  <iant@google.com>
12562
12563         * dynobj.cc (Versions::add_def): If we give an error about a
12564         missing version, go ahead and create the version anyhow.
12565
12566 2008-07-10  Ian Lance Taylor  <iant@google.com>
12567
12568         Handle output sections with more than 0x7fffffff bytes.
12569         * object.h (class Relobj): Change map_to_output_ to
12570         output_sections_, and just keep a section pointer.  Change all
12571         uses.  Move comdat group support to Sized_relobj.
12572         (Relobj::is_section_specially_mapped): Remove.
12573         (Relobj::output_section): Remove poff parameter.  Change all
12574         callers.
12575         (Relobj::output_section_offset): New function.
12576         (Relobj::set_section_offset): Rewrite.
12577         (Relobj::map_to_output): Remove.
12578         (Relobj::output_sections): New function.
12579         (Relobj::do_output_section_offset): New pure virtual function.
12580         (Relobj::do_set_section_offset): Likewise.
12581         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12582         group support from Relobj.  Update declarations.
12583         (Sized_relobj::get_output_section_offset): New function.
12584         (Sized_relobj::do_output_section_offset): New function.
12585         (Sized_relobj::do_set_section_offset): New function.
12586         * object.cc (Relobj::output_section_address): Remove.
12587         (Sized_relobj::Sized_relobj): Initialize new fields.
12588         (Sized_relobj::include_section_group): Cast find_kept_object to
12589         Sized_relobj.
12590         (Sized_relobj::include_linkonce_section): Likewise.
12591         (Sized_relobj::do_layout): Use separate arrays for output section
12592         and output offset.
12593         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12594         output_sections.
12595         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12596         output_sections and section_offsets.
12597         (Sized_relobj::write_local_symbols): Likewise.
12598         (map_to_kept_section): Compute output address directly.
12599         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12600         output_sections and section_offsets.
12601         (Sized_relobj::write_sections): Likewise.
12602         (Sized_relobj::relocate_sections): Likewise.
12603         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12604         * output.h (class Output_reloc): Update declarations.  Change
12605         u2_.relobj to Sized_relobj*.
12606         (class Output_data_reloc): Change add functions to use
12607         Sized_relobj*.
12608         * output.cc (Output_reloc::Output_reloc): Change relobj to
12609         Sized_relobj*.
12610         (Output_reloc::local_section_offset): Change return type to
12611         Elf_Addr.  Use get_output_section_offset.
12612         (Output_reloc::get_address): Likewise.
12613         (Output_section::is_input_address_mapped): Don't call
12614         is_section_specially_mapped.
12615         (Output_section::output_offset): Likewise.
12616         (Output_section::output_address): Likewise.
12617         (Output_section::starting_output_address): Likewise.
12618         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12619         parameter to Sized_relobj*.
12620         (Copy_relocs::need_copy_reloc): Likewise.
12621         (Copy_relocs::save): Likewise.
12622         * copy-relocs.h (class Copy_relocs): Update declarations.
12623         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12624         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12625         * target-reloc.h (relocate_for_relocatable): Change
12626         offset_in_output_section type to Elf_Addr.  Change code that uses
12627         it as well.
12628         * layout.cc (Layout::layout): Always set *off.
12629         * mapfile.cc (Mapfile::print_input_section): Use
12630         output_section_offset.
12631         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12632         Sized_relobj*.
12633         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12634         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12635         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12636
12637 2008-07-03  Ian Lance Taylor  <iant@google.com>
12638
12639         * layout.cc (Layout::include_section): Do not discard unrecognized
12640         SHT_STRTAB sections.
12641
12642 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12643
12644         * script.cc (Lex::can_continue_name): Make '?' allowable in
12645         version-script names.
12646         * testsuite/version_script.map: Change glob pattern to use '?'
12647
12648 2008-06-30  Manish Singh  <yosh@gimp.org>
12649
12650         PR 6585
12651         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12652         Correct typo.
12653
12654 2008-06-30  Ian Lance Taylor  <iant@google.com>
12655
12656         PR 6660
12657         PR 6682
12658         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12659         versions]: Don't try to read the value in the contents, since we
12660         don't use it.  Use the template endianness when writing.
12661
12662 2008-06-25  Cary Coutant  <ccoutant@google.com>
12663
12664         * fileread.cc (File_read::make_view): Assert on zero-length view.
12665         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12666         symbol table when there are no symbols to read.
12667
12668 2008-06-23  Craig Silverstein  <csilvers@google.com>
12669
12670         * version.cc (version_string): Bump to 1.7
12671
12672 2008-06-18  Craig Silverstein  <csilvers@google.com>
12673
12674         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12675         constant 0xFFFF to type Valtype.
12676         (Powerpc_relocate_functions::rel16_ha): Likewise.
12677
12678 2008-06-17  Ian Lance Taylor  <iant@google.com>
12679
12680         * output.h (Output_section::Input_section): Initialize p2align_ to
12681         zero for Output_section_data constructors.
12682         (Output_section::Input_section::addralign): If not an input
12683         section, return the alignment of the Output_section_data.
12684         * testsuite/copy_test.cc: New file.
12685         * testsuite/copy_test_1.cc: New file.
12686         * testsuite/copy_test_2.cc: New file.
12687         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12688         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12689         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12690         (copy_test_1_pic.o, copy_test_1.so): New targets.
12691         (copy_test_2_pic.o, copy_test_2.so): New targets.
12692         * testsuite/Makefile.in: Rebuild.
12693
12694         * script-sections.cc (Script_sections::place_orphan): Initialize
12695         local variable exact.
12696
12697 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12698
12699         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12700
12701 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12702             David S. Miller  <davem@davemloft.net>
12703
12704         * powerpc.cc: New file.
12705         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12706         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12707         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12708         * Makefile.in: Rebuild.
12709
12710 2008-06-09  Ian Lance Taylor  <iant@google.com>
12711
12712         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12713         <exception>.
12714         (throwing, orig_terminate): New static variables.
12715         (terminate_handler): New static function.
12716         (t2): Set terminate handler.
12717
12718 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12719
12720         PR 6584
12721         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12722         alignment.
12723
12724 2008-05-30  Cary Coutant  <ccoutant@google.com>
12725
12726         * archive.cc (Archive::include_all_members) Correct to step
12727         over symbol table and extended name table in thin archives.
12728
12729 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12730
12731         PR 6407
12732         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12733         calculation.
12734
12735 2008-05-28  Caleb Howe  <cshowe@google.com>
12736
12737         * reduced_debug_output.cc: New file.
12738         * reduced_debug_output.h: New file.
12739         * options.h (class General_options): Add --strip-debug-non-line.
12740         * options.cc (General_options::finalize): Add strip_debug_non_line
12741         to the strip heirarchy.
12742         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12743         fields.
12744         * layout.cc: Include "reduced_debug_output.h".
12745         (Layout::Layout): Initialize new fields.
12746         (line_only_debug_sections): New static array.
12747         (is_lines_only_debug_sections): New static inline function.
12748         (Layout::include_section): Handle --strip-debug-non-line.
12749         (Layout::make_output_section): If --strip-debug-non-line, build
12750         new output sections for .debug_abbrev and .debug_info.
12751         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12752         gold.  Warn about possible overflow.
12753         (read_signed_LEB_128): Likewise.
12754         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12755         (read_signed_LEB_128): Declare.
12756         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12757         (HFILES): Add reduced_debug_output.h.
12758         * Makefile.in: Rebuild.
12759
12760 2008-05-21  Ian Lance Taylor  <iant@google.com>
12761
12762         * mapfile.cc: New file.
12763         * mapfile.h: New file.
12764         * options.h (class General_options): Add -M/--print-map and -Map.
12765         * options.cc (General_options::finalize): Make -M equivalent to
12766         -Map -.
12767         * main.cc: Include <cstdio> and "mapfile.h".
12768         (main): Open mapfile if requested.
12769         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12770         constructor.  Change caller.
12771         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12772         (queue_middle_tasks): Likewise.
12773         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12774         declarations.
12775         * archive.cc: Include "mapfile.h".
12776         (Archive::add_symbols): Add mapfile parameter.  Change all
12777         callers.  Pass mapfile, symbol, and reason to include_member.
12778         (Archive::include_all_members): Add mapfile parameter.  Change all
12779         callers.
12780         (Archive::include_member): Add mapfile, sym, and why parameters.
12781         Change all callers.  Report inclusion to map file.
12782         * archive.h: Include "fileread.h".
12783         (class Archive): Update declarations.
12784         (Archive::file): New const method.
12785         (class Add_archive_symbols): Add mapfile_ field.  Update
12786         constructor.  Change all callers.
12787         * readsyms.h (class Read_symbols): Likewise.
12788         (class Finish_group): Likewise.
12789         (class Read_script): Likewise.
12790         * common.cc: Include "mapfile.h".
12791         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12792         all callers.
12793         (Symbol_table::do_allocate_commons): Likewise.
12794         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12795         symbol allocation to mapfile.
12796         * common.h (class Allocate_commons_task): Add mapfile_ field.
12797         Update constructor.  Change all callers.
12798         * symtab.h (class Symbol_table): Update declarations.
12799         * layout.cc: Include "mapfile.h".
12800         (Layout_task_runner::run): Print information to mapfile.
12801         (Layout::create_gold_note): Change Output_data_fixed_space to
12802         Output_data_zero_fill.
12803         (Layout::create_build_id): Likewise.
12804         (Layout::print_to_mapfile): New function.
12805         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12806         constructor.  Change caller.
12807         (class Layout): Declare print_to_mapfile.
12808         * output.cc (Output_section::Input_section::print_to_mapfile): New
12809         function.
12810         (Output_section::add_input_section): If producing a map, always
12811         add to input_sections_ list.
12812         (Output_section::do_print_to_mapfile): New function.
12813         (Output_segment::print_sections_to_mapfile): New function.
12814         (Output_segment::print_section_list_to_mapfile): New function.
12815         * output.h: Include "mapfile.h".
12816         (Output_data::print_to_mapfile): New function.
12817         (Output_data::do_print_to_mapfile): New virtual function.
12818         (Output_segment_headers::do_print_to_mapfile): New function.
12819         (Output_file_header::do_print_to_mapfile): New function.
12820         (Output_data_const::do_print_to_mapfile): New function.
12821         (class Output_data_const_buffer): Add map_name_ field.  Update
12822         constructor.  Change all callers.  Add do_print_to_mapfile
12823         function.
12824         (class Output_data_fixed_space): Likewise.
12825         (class Output_data_space): Likewise.
12826         (class Output_data_zero_fill): New class.
12827         (Output_data_strtab::do_print_to_mapfile): New function.
12828         (Output_data_reloc_base::do_print_to_mapfile): New function.
12829         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12830         (Output_data_group::do_print_to_mapfile): New function.
12831         (Output_data_got::do_print_to_mapfile): New function.
12832         (Output_data_dynamic::do_print_to_mapfile): New function.
12833         (Output_symtab_xindex::do_print_to_mapfile): New function.
12834         (class Output_section): Declare do_print_to_mapflie.  Declare
12835         print_to_mapfile in Input_section.
12836         (class Output_segment): Declare new functions.
12837         * object.h (Sized_relobj::symbol_count): New function.
12838         * script-sections.cc
12839         (Output_section_element_dot_assignment::set_section_addresses):
12840         Change Output_data_fixed_space to Output_data_zero_fill.
12841         (Output_data_expression::do_print_to_mapfile): New function.
12842         * script.cc (read_input_script): Add mapfile parameter.  Change
12843         all callers.
12844         * script.h (read_input_script): Update declaration.
12845         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12846         (Eh_frame::do_print_to_mapfile): New function.
12847         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12848         (Output_merge_string::do_print_to_mapfile): New function.
12849         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12850         function.
12851         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12852         function.
12853         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12854         function.
12855         * Makefile.am (CCFILES): Add mapfile.cc.
12856         (HFILES): Add mapfile.h.
12857         * Makefile.in: Rebuild.
12858
12859 2008-05-19  Ian Lance Taylor  <iant@google.com>
12860
12861         * options.h (class General_options): Add -z relro.
12862         * layout.cc (Layout::Layout): Initialize relro_segment_.
12863         (Layout::add_output_section_data): Return the output section.
12864         (Layout::make_output_section): Rcognize relro sections and mark
12865         them appropriately.
12866         (Layout::attach_allocated_section_to_segment): Put relro sections
12867         in a PT_GNU_RELRO segment.
12868         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12869         section as relro.
12870         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12871         PT_TLS segments.
12872         (Layout::linkonce_mapping): Map d.rel.ro.local to
12873         .data.rel.ro.local.
12874         (Layout::output_section_name): Us .data.rel.ro.local for any
12875         section which begins with that.
12876         * layout.h (class Layout): Update add_output_section_data
12877         declaration.  Add relro_segment_ field.
12878         * output.cc (Output_section::Output_section): Initialize is_relro_
12879         and is_relro_local_ fields.
12880         (Output_segment::add_output_section): Group relro sections.
12881         (Output_segment::is_first_section_relro): New function.
12882         (Output_segment::maximum_alignment): If there is a relro section,
12883         align the segment to the common page size.
12884         (Output_segment::set_section_addresses): Track whether we are
12885         looking at relro sections.  If the last section is a relro
12886         section, align to the common page size.
12887         (Output_segment::set_section_list_addresses): Add in_relro
12888         parameter.  Change all callers.  Align to the page size when
12889         moving from relro to non-relro section.
12890         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12891         segment.
12892         * output.h (class Output_section): Add is_relro_ and
12893         is_relro_local_ fields.
12894         (Output_section::is_relro): New function.
12895         (Output_section::set_is_relro): New function.
12896         (Output_section::is_relro_local): New function.
12897         (Output_section::set_is_relro_local): New function.
12898         (class Output_segment): Update declarations.
12899         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12900         * sparc.cc (Target_sparc::got_section): Likewise.
12901         * x86_64.cc (Target_x86_64::got_section): Likewise.
12902         * testsuite/relro_test_main.cc: New file.
12903         * testsuite/relro_test.cc: New file.
12904         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12905         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12906         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12907         (relro_test.so, relro_test_pic.o): New targets.
12908         * testsuite/Makefile.in: Rebuild.
12909
12910 2008-05-16  Ian Lance Taylor  <iant@google.com>
12911
12912         * output.cc (Output_segment::add_output_section): Remove front
12913         parameter.
12914         * output.h (class Output_segment): Remove
12915         add_initial_output_section and overloaded add_output_section.
12916         Update declaration of remaining add_output_section.
12917         * layout.cc (Layout::create_interp): Call add_output_section
12918         rather than add_initial_output_section.
12919         (Layout::finish_dynamic_section): Likewise.
12920
12921         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12922         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12923         know the dynamic type.
12924         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12925         field.  Initialize it in constructor.
12926         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12927         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12928         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12929         reloc.
12930
12931         * output.cc (Output_reloc::get_address): Change return type to
12932         Elf_Addr.
12933         * output.h (class Output_reloc): Update get_address declaration.
12934         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12935         for section addresses.
12936
12937 2008-05-09  Ian Lance Taylor  <iant@google.com>
12938
12939         PR 6493
12940         * gold.cc (gold_nomem): Use return value of write.
12941
12942 2008-05-08  Ian Lance Taylor  <iant@google.com>
12943
12944         * symtab.c (Symbol::init_base_output_data): Add version
12945         parameter.  Change all callers.
12946         (Symbol::init_base_output_segment): Likewise.
12947         (Symbol::init_base_constant): Likewise.
12948         (Symbol::init_base_undefined): Likewise.
12949         (Sized_symbol::init_output_data): Likewise.
12950         (Sized_symbol::init_output_segment): Likewise.
12951         (Sized_symbol::init_constant): Likewise.
12952         (Sized_symbol::init_undefined): Likewise.
12953         (Symbol_table::do_define_in_output_data): If the new symbol has a
12954         version, mark it as the default.
12955         (Symbol_table::do_define_in_output_segment): Likewise.
12956         (Symbol_table::do_define_as_constant): Likewise.
12957         * symtab.h (class Symbol): Update declarations.
12958         (class Sized_symbol): Likewise.
12959         * resolve.cc (Symbol::override_version): New function.
12960         (Symbol::override_base): Call override_version.
12961         (Symbol::override_base_with_special): Likewise.
12962         * testsuite/ver_script_8.script: New file.
12963         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12964         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12965         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12966         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12967
12968 2008-05-06  Ian Lance Taylor  <iant@google.com>
12969
12970         PR 6049
12971         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12972         functions.
12973         (class General_options): Remove existing --undefined, and add
12974         --no-undefined instead.  Add new --undefined as synonym for -u.
12975         * archive.cc (Archive::add_symbols): Check whether symbol was
12976         named with -u.
12977         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12978         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12979         all uses.  Add IS_UNDEFINED.  Update declarations to split
12980         different versions of init_base.  Declare init_base_undefined.
12981         (Symbol::is_defined): Handle IS_UNDEFINED.
12982         (Symbol::is_undefined): Likewise.
12983         (Symbol::is_weak_undefined): Call is_undefined.
12984         (Symbol::is_absolute): Handle IS_CONSTANT.
12985         (class Sized_symbol): Update declarations to split different
12986         versions of init.  Declare init_undefined.
12987         (class Symbol_table): Declare new functions.
12988         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12989         Change all callers.
12990         (Symbol::init_base_output_data): Likewise.
12991         (Symbol::init_base_output_segment): Likewise.
12992         (Symbol::init_base_constant): Likewise.
12993         (Symbol::init_base_undefined): New function.
12994         (Sized_symbol::init_object): Rename from init.  Change all
12995         callers.
12996         (Sized_symbol::init_output_data): Likewise.
12997         (Sized_symbol::init_output_segment): Likewise.
12998         (Sized_symbol::init_constant): Likewise.
12999         (Sized_symbol::init_undefined): New function.
13000         (Symbol_table::add_undefined_symbols_from_command_line): New
13001         function.
13002         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13003         function.
13004         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13005         (Symbol::output_section): Likewise.
13006         (Symbol::set_output_section): Likewise.
13007         (Symbol_table::sized_finalize_symbol): Likewise.
13008         (Symbol_table::sized_write_globals): Likewise.
13009         * resolve.cc (Symbol_table::should_override): Likewise.
13010         (Symbol::override_base_with_special): Likewise.
13011
13012         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13013         symbol, change it to have default visibility.
13014         * testsuite/protected_1.cc: New file.
13015         * testsuite/protected_2.cc: New file.
13016         * testsuite/protected_3.cc: New file.
13017         * testsuite/protected_main_1.cc: New file.
13018         * testsuite/protected_main_2.cc: New file.
13019         * testsuite/protected_main_3.cc: New file.
13020         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13021         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13022         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13023         (protected_1.so): New target.
13024         (protected_1_pic.o, protected_2_pic.o): New targets.
13025         (protected_3_pic.o): New target.
13026         (check_PROGRAMS): Add protected_2.
13027         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13028         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13029         * testsuite/Makefile.in: Rebuild.
13030
13031         * options.h (DEFINE_var): Add set_user_set_##varname__.
13032         (DEFINE_bool_alias): New macro.
13033         (class General_options): Define -Bstatic using DEFINE_bool_alias
13034         rather than DEFINE_special.  Add --undefined as an alias for -z
13035         defs.
13036         * options.cc (General_options::parse_Bstatic): Remove.
13037
13038         * options.h (class General_options): Add --fatal-warnings.
13039         * main.cc (main): Implement --fatal-warnings.
13040         * errors.h (Errors::warning_count): New function.
13041
13042         * options.h (class General_options): Add -Bsymbolic-functions.
13043         * symtab.h (Symbol::is_preemptible): Check for
13044         -Bsymbolic-functions.
13045
13046 2008-05-05  Ian Lance Taylor  <iant@google.com>
13047
13048         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13049         as noVARNAME rather than no-VARNAME.
13050         (class General_options): Add option -z combreloc.
13051         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13052         get_address.
13053         (Output_reloc::sort_before) [SHT_REL]: New function.
13054         (Output_reloc::sort_before) [SHT_RELA]: New function.
13055         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13056         Sort_relocs_comparison.
13057         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13058         parameter.  Change all callers.
13059         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13060         sort_relocs parameter.  Change all callers.
13061         * output.cc (Output_reloc::get_address): New function, broken out
13062         of write_rel.
13063         (Output_reloc::write_rel): Call it.
13064         (Output_reloc::compare): New function.
13065         (Output_data_reloc_base::do_write): Optionally sort relocs.
13066
13067         * configure.ac: If targ_extra_obj is set, link it in.
13068         * configure.tgt: Initialize all variables.
13069         (x86_64*): Set targ_extra_obj and targ_extra_size.
13070         * configure: Rebuild.
13071
13072         * object.cc (Sized_relobj::include_section_group): Adjust section
13073         indexes read from group data.  Build vector to pass to
13074         layout_group.
13075         * layout.cc (Layout::layout_group): Add flags and shndxes
13076         parameters.  Remove contents parameter.  Change caller.  Update
13077         explicit instantiations.
13078         * layout.h (class Layout): Update layout_group declaration.
13079         * output.cc (Output_data_group::Output_data_group): Add flags and
13080         input_shndxes parameters.  Remove contents parameter.  Change
13081         caller.
13082         (Output_data_group::do_write): Change input_sections_ to
13083         input_shndxes_.
13084         * output.h (class Output_data_group): Update constructor
13085         declaration.  Rename input_sections_ to input_shndxes_.
13086         * testsuite/many_sections_test.cc: Add template.
13087
13088 2008-04-30  Cary Coutant  <ccoutant@google.com>
13089
13090         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13091
13092         * layout.cc (Layout::include_section): Refactored check for debug
13093         info section.
13094         (Layout::add_comdat): Add new parameters.  Change type
13095         of signature parameter.  Add object and shndx to signatures table.
13096         (Layout::find_kept_object): New function.
13097         * layout.h: Include <cstring>.
13098         (Layout::is_debug_info_section): New function.
13099         (Layout::add_comdat): Add new parameters.
13100         (Layout::find_kept_object): New function.
13101         (Layout::Kept_section): New struct.
13102         (Layout::Signatures): Change type of map range.
13103         * object.cc (Relobj::output_section_address): New function.
13104         (Sized_relobj::include_section_group): Add new parameters.  Change
13105         calls to Layout::add_comdat.  Change to build table of kept comdat
13106         groups and table mapping discarded sections to kept sections.
13107         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13108         (Sized_relobj::do_layout): Change calls to include_section_group and
13109         include_linkonce_section.
13110         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13111         value to zero when section is discarded.
13112         (Sized_relobj::map_to_kept_section): New function.
13113         * object.h (Relobj::output_section_address): New function.
13114         (Relobj::Comdat_group): New type.
13115         (Relobj::find_comdat_group): New function.
13116         (Relobj::Comdat_group_table): New type.
13117         (Relobj::Kept_comdat_section): New type.
13118         (Relobj::Kept_comdat_section_table): New type.
13119         (Relobj::add_comdat_group): New function.
13120         (Relobj::set_kept_comdat_section): New function.
13121         (Relobj::get_kept_comdat_section): New function.
13122         (Relobj::comdat_groups_): New field.
13123         (Relobj::kept_comdat_sections_): New field.
13124         (Symbol_value::input_value): Update comment.
13125         (Sized_relobj::map_to_kept_section) New function.
13126         (Sized_relobj::include_linkonce_section): Add new parameter.
13127         * target-reloc.h (Comdat_behavior): New type.
13128         (get_comdat_behavior): New function.
13129         (relocate_section): Add code to map a discarded section to the
13130         corresponding kept section when applying a relocation.
13131
13132 2008-04-30  Craig Silverstein  <csilvers@google.com>
13133
13134         * dwarf_reader.cc (next_generation_count): New static var.
13135         (Addr2line_cache_entry): New struct.
13136         (addr2line_cache): New static var.
13137         (Dwarf_line_info::one_addr2line): Added caching.
13138         (Dwarf_line_info::clear_addr2line_cache): New function.
13139         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13140         cache-size parameter.
13141         (Dwarf_line_info::one_addr2line_cache): New function.
13142         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13143         new cache-size argument to one_addr2line(), and clear cache.
13144
13145 2008-04-28  Cary Coutant  <ccoutant@google.com>
13146
13147         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13148         R_386_PC8 relocations.
13149
13150 2008-04-23  Ian Lance Taylor  <iant@google.com>
13151
13152         * object.cc (Sized_relobj::include_section_group): Check for
13153         invalid section group.
13154
13155         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13156         header size.
13157
13158         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13159         than read for file header.
13160         * archive.cc (Archive::include_member): Likewise.
13161
13162 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13163
13164         * aclocal.m4: Regenerate.
13165         * configure: Regenerate.
13166
13167 2008-04-19  Ian Lance Taylor  <iant@google.com>
13168
13169         * version.cc (version_string): Bump to 1.6.
13170
13171         * testsuite/Makefile.am (many_sections_r_test): New target.
13172         (many_sections_r_test_SOURCES): Remove.
13173         (many_sections_r_test_DEPENDENCIES): Remove.
13174         (many_sections_r_test_LDFLAGS): Remove.
13175         (many_sections_r_test_LDADD): Remove.
13176
13177         * object.cc (Sized_relobj::do_add_symbols): Always pass
13178         local_symbol_count_ to add_from_relobj.
13179
13180         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13181         every thousand variables.
13182         * testsuite/Makefile.in: Rebuild.
13183
13184         * object.cc (Xindex::initialize_symtab_xindex): New function.
13185         (Xindex::read_symtab_xindex): New function.
13186         (Xindex::sym_xindex_to_shndx): New function.
13187         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13188         available.
13189         (Sized_relobj::do_initialize_xindex): New function.
13190         (Sized_relobj::do_read_symbols): Adjust section links.
13191         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13192         parameter.  Change all callers.
13193         (Sized_relobj::include_section_group): Adjust section links and
13194         symbol section indexes.
13195         (Sized_relobj::do_layout): Adjust section links.
13196         (Sized_relobj::do_count_local_symbols): Adjust section links and
13197         symbol section indexes.
13198         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13199         ordinary and special symbols.
13200         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13201         dynsym_xindex parameters.  Change all callers.  Adjust section
13202         links.  Use SHN_XINDEX when needed.
13203         (Sized_relobj::get_symbol_location_info): Adjust section links.
13204         Don't get fooled by special symbols.
13205         * object.h (class Xindex): Define.
13206         (class Object): Add xindex_ parameter.  Declare virtual functoin
13207         do_initialize_xindex.
13208         (Object::adjust_sym_shndx): New function.
13209         (Object::set_xindex): New protected function.
13210         (class Symbol_value): Add is_ordinary_shndx_ field.
13211         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13212         (Symbol_value::value): Assert ordinary section.
13213         (Symbol_value::initialize_input_to_output_map): Likewise.
13214         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13215         Change all callers.
13216         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13217         all callers.
13218         (class Sized_relobj): Update declarations.
13219         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13220         parameter.  Change all callers.
13221         (Sized_relobj::adjust_shndx): New function.
13222         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13223         field.
13224         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13225         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13226         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13227         (Sized_dynobj::read_dynsym_section): Adjust section links.
13228         (Sized_dynobj::read_dynamic): Likewise.
13229         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13230         section links.
13231         (Sized_dynobj::do_initialize_xindex): New function.
13232         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13233         do_initialize_xindex.
13234         (Sized_dynobj::adjust_shndx): New function.
13235         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13236         dynsym_xindex_ fields.
13237         (Layout::finalize): Add a call to set_section_indexes before
13238         creating the symtab sections.
13239         (Layout::set_section_indexes): Don't do anything if the section
13240         already has a section index.
13241         (Layout::create_symtab_sections): Add shnum parameter.  Change
13242         caller.  Create .symtab_shndx section if needed.
13243         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13244         caller.
13245         (Layout::allocated_output_section_count): New function.
13246         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13247         needed.
13248         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13249         fields.  Update declarations.
13250         (Layout::symtab_xindex): New function.
13251         (Layout::dynsym_xindex): New function.
13252         (class Write_symbols_task): Add layout_ field.
13253         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13254         Change caller.
13255         * output.cc (Output_section_headers::Output_section_headers): Add
13256         shstrtab_section parameter.  Change all callers.
13257         (Output_section_headers::do_sized_write): Store overflow values
13258         for section count and section string table section index in
13259         section header zero.
13260         (Output_file_header::do_sized_write): Check for overflow of
13261         section count and section string table section index.
13262         (Output_symtab_xindex::do_write): New function.
13263         (Output_symtab_xindex::endian_do_write): New function.
13264         * output.h (class Output_section_headers): Add shstrtab_section_.
13265         Update declarations.
13266         (class Output_symtab_xindex): Define.
13267         (Output_section::has_out_shndx): New function.
13268         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13269         field.
13270         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13271         Change all callers.
13272         (Sized_symbol::init): Likewise.
13273         (Symbol::output_section): Check for ordinary symbol.
13274         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13275         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13276         callers.
13277         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13278         Change all callers.  Simplify handling of symbols from sections
13279         not included in the link.
13280         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13281         distinction.
13282         (Weak_alias_sorter::operator()): Assert that symbols are
13283         ordinary.
13284         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13285         distinction.
13286         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13287         parameters.  Change all callers.
13288         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13289         symbol distinction.  Use SHN_XINDEX when needed.
13290         (Symbol_table::write_section_symbol): Add symtab_xindex
13291         parameter.  Change all callers.
13292         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13293         SHN_XINDEX when needed.
13294         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13295         declarations.
13296         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13297         (Symbol::is_defined): Check is_ordinary.
13298         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13299         (Symbol::is_absolute, Symbol::is_common): Likewise.
13300         (class Sized_symbol): Update declarations.
13301         (class Symbol_table): Update declarations.
13302         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13303         parameters.  Change all callers.
13304         (Sized_symbol::override): Likewise.
13305         (Symbol_table::override): Likewise.
13306         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13307         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13308         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13309         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13310         to be in an ordinary section.
13311         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13312         object and is_ordinary parameters.  Change all callers.
13313         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13314         Change all callers.  Don't add undefined or non-ordinary symbols
13315         to reloc_map_.
13316         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13317         Change all callers.
13318         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13319         declarations.
13320         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13321         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13322         (Sized_relobj::relocate_sections): Likewise.
13323         * target-reloc.h (scan_relocs): Adjust section symbol index.
13324         (scan_relocatable_relocs): Likewise.
13325         * i386.cc (Scan::local): Check for ordinary symbols.
13326         * sparc.cc (Scan::local): Likewise.
13327         * x86_64.cc (Scan::local): Likewise.
13328         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13329         to symbol_section_and_value.
13330         * testsuite/many_sections_test.cc: New file.
13331         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13332         (check_PROGRAMS): Add many_sections_test.
13333         (many_sections_test_SOURCES): Define.
13334         (many_sections_test_DEPENDENCIES): Define.
13335         (many_sections_test_LDFLAGS): Define.
13336         (BUILT_SOURCES): Add many_sections_define.h.
13337         (many_sections_define.h): New target.
13338         (BUILT_SOURCES): Add many_sections_check.h.
13339         (many_sections_check.h): New target.
13340         (check_PROGRAMS): Add many_sections_r_test.
13341         (many_sections_r_test_SOURCES): Define.
13342         (many_sections_r_test_DEPENDENCIES): Define.
13343         (many_sections_r_test_LDFLAGS): Define.
13344         (many_sections_r_test_LDADD): Define.
13345         (many_sections_r_test.o): New target.
13346         * testsuite/Makefile.in: Rebuild.
13347
13348 2008-04-17  Cary Coutant  <ccoutant@google.com>
13349
13350         * errors.cc (Errors::info): New function.
13351         (gold_info): New function.
13352         * errors.h (Errors::info): New function.
13353         * gold.h (gold_info): New function.
13354         * object.cc (Input_objects::add_object): Print trace output.
13355         * options.cc (options::parse_set): New function.
13356         (General_options::parse_wrap): Deleted.
13357         (General_options::General_options): Deleted initializer.
13358         * options.h (options::String_set): New typedef.
13359         (options::parse_set): New function.
13360         (DEFINE_set): New macro.
13361         (General_options::wrap): Changed to use DEFINE_set. Changed
13362         callers of any_wrap_symbols and is_wrap_symbol.
13363         (General_options::trace, General_options::trace_symbol):
13364         New options.
13365         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13366         (General_options::wrap_symbols_): Deleted.
13367         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13368
13369 2008-04-17  David S. Miller  <davem@davemloft.net>
13370
13371         * options.cc (General_options::parse_V): New function.
13372         * options.h: Add entries for -V and -Qy.
13373
13374 2008-04-17  Ian Lance Taylor  <iant@google.com>
13375
13376         * common.cc (Symbol_table::allocate_commons): Remove options
13377         parameter.  Change caller.
13378         (Symbol_table::do_allocate_commons): Remove options parameter.
13379         Change caller.  Just call do_allocate_commons_list twice.
13380         (Symbol_table::do_allocate_commons_list): New function, broken out
13381         of do_allocate_commons.
13382         * common.h (class Allocate_commons_task): Remove options_ field.
13383         Update constructor.
13384         * symtab.cc (Symbol_table::Symbol_table): Initialize
13385         tls_commons_.
13386         (Symbol_table::add_from_object): Put TLS common symbols on
13387         tls_commons_ list.
13388         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13389         which are IN_OUTPUT_DATA.
13390         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13391         allocate_commons and do_allocate_commons declarations.  Declare
13392         do_allocate_commons_list.
13393         * gold.cc (queue_middle_tasks): Update creation of
13394         Allocate_commons_task to not pass options.
13395         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13396         (TLS_TEST_C_FLAGS): New variable.
13397         (tls_test_c_pic.o): New target.
13398         (tls_test_shared.so): Link in tls_test_c_pic.o.
13399         (tls_test_c_pic_ie.o): New target.
13400         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13401         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13402         (tls_test_c.o): New target.
13403         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13404         (tls_pic_test_LDADD): Likewise.
13405         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13406         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13407         (tls_test_c_gnu2.o): New target.
13408         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13409         tls_test_c_gnu2.o.
13410         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13411         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13412         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13413         * testsuite/tls_test.cc: Include "config.h".
13414         (t_last): Call t11_last.
13415         * testsuite/tls_test.h (t11, t11_last): Declare.
13416         * testsuite/tls_test_c.c: New file.
13417         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13418         * configure.ac: Check for OpenMP support.
13419         * configure, config.in, Makefile.in: Rebuild.
13420         * testsuite/Makefile.in: Rebuild.
13421
13422 2008-04-16  Cary Coutant  <ccoutant@google.com>
13423
13424         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13425         (Target_i386::tls_base_symbol_defined_): New field.
13426         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13427         (Target_i386::Scan::global): Likewise.
13428         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13429         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13430         (Target_x86_64::tls_base_symbol_defined_): New field.
13431         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13432         (Target_x86_64::Scan::global): Likewise.
13433
13434 2008-04-16  Cary Coutant  <ccoutant@google.com>
13435
13436         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13437         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13438         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13439         building shared libraries.
13440         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13441         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13442         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13443         * testsuite/Makefile.in: Rebuild.
13444         * testsuite/weak_undef.h: New file.
13445         * testsuite/weak_undef_file1.cc: Add extra test cases.
13446         * testsuite/weak_undef_file2.cc: Likewise.
13447         * testsuite/weak_undef_test.cc: Likewise.
13448
13449 2008-04-16  David S. Miller  <davem@davemloft.net>
13450
13451         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13452         Add issued_non_pic_error_ field.  Declare check_non_pic.
13453         (Target_sparc::Scan::check_non_pic): New function.
13454         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13455         (Target_sparc::Scan::global): Likewise.
13456
13457         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13458         * configure: Rebuild.
13459
13460         * options.h (DEFINE_enable): New macro.
13461         (new_dtags): New enable option.
13462         (initfirst, interpose, loadfltr, nodefaultlib,
13463         nodelete, nodlopen, nodump): New -z options.
13464         * layout.cc (Layout:finish_dynamic_section): If new
13465         dtags enabled, emit DT_RUNPATH.  Also, emit a
13466         DT_FLAGS_1 containing any specified -z flags.
13467
13468 2008-04-16  Ian Lance Taylor  <iant@google.com>
13469
13470         * copy-relocs.cc: New file.
13471         * copy-relocs.h: New file.
13472         * reloc.cc: Remove Copy_relocs code.
13473         * reloc.h: Likewise.
13474         * reloc-types.h (struct Reloc_types) [both versions]: Add
13475         get_reloc_addend_noerror.
13476         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13477         variants of add_global which take an addend which must be zero.
13478         * i386.cc: Include "copy-relocs.h".
13479         (class Target_i386): Change type of copy_relocs_ to variable,
13480         update initializer.
13481         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13482         Change all callers.
13483         (Target_i386::do_finalize_sections): Change handling of
13484         copy_relocs_.
13485         * sparc.cc: Include "copy-relocs.h".
13486         (class Target_sparc): Change type of copy_relocs_ to variable,
13487         update initializer.
13488         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13489         Change all callers.
13490         (Target_sparc::do_finalize_sections): Change handling of
13491         copy_relocs_.
13492         * x86_64.cc: Include "copy-relocs.h".
13493         (class Target_x86_64): Change type of copy_relocs_ to variable,
13494         update initializer.
13495         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13496         class.  Change all callers.
13497         (Target_x86_64::do_finalize_sections): Change handling of
13498         copy_relocs_.
13499         * Makefile.am (CCFILES): Add copy-relocs.cc.
13500         (HFILES): Add copy-relocs.h.
13501
13502         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13503
13504         * testsuite/script_test_4.sh: Permit leading zeroes.
13505
13506 2008-04-15  Ian Lance Taylor  <iant@google.com>
13507
13508         * script-sections.cc (Script_sections::create_segments): Use
13509         header_size_adjustment even when there is enough room for the
13510         headers.
13511         * testsuite/script_test_4.sh: New file.
13512         * testsuite/script_test_4.t: New file.
13513         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13514         (check_DATA): Add script_test_4.stdout.
13515         (MOSTLYCLEANFILES): Likewise.
13516         (script_test_4): New target.
13517         (script_test_4.stdout): New target.
13518         * testsuite/Makefile.in: Rebuild.
13519
13520         * sparc.cc: Add definitions for Output_data_plt_sparc class
13521         constants.
13522
13523 2008-04-14  David S. Miller  <davem@davemloft.net>
13524
13525         * sparc.cc: New file.
13526         * Makefile.am (TARGETSOURCES): Add sparc.cc
13527         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13528         * configure.tgt: Document targ_extra_size and
13529         targ_extra_big_endian.  Add entries for sparc-* and
13530         sparc64-*.
13531         * configure.ac: Handle targ_extra_size and
13532         targ_extra_big_endian.
13533         * Makefile.in: Rebuild.
13534         * configure: Likewise.
13535         * po/POTFILES.in: Likewise.
13536         * po/gold.pot: Likewise.
13537
13538 2008-04-14  Ian Lance Taylor  <iant@google.com>
13539
13540         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13541         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13542         in the name/type/flags to section mapping.  Don't call
13543         allocate_output_section.
13544         (Layout::choose_output_section): Change parameter from adjust_name
13545         to is_input_section.  Don't permit input sections after sections
13546         are attached to segments.  Don't call allocate_output_section.
13547         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13548         not write_enable_output_section.
13549         (Layout::make_output_section): Don't push to
13550         unattached_section_list_ nor call attach_to_segment.  Call
13551         attach_section_to_segment if sections are attached.
13552         (Layout::attach_sections_to_segments): New function.
13553         (Layout::attach_section_to_segment): New function.
13554         (Layout::attach_allocated_section_to_segment): Rename from
13555         attach_to_segment.  Remove flags parameter.
13556         (Layout::allocate_output_section): Remove function.
13557         (Layout::write_enable_output_section): Remove function.
13558         * layout.h (class Layout): Update for above changes.  Add new
13559         field sections_are_attached_.
13560         * output.h (Output_section::update_flags_for_input_section): New
13561         function.
13562         * output.cc (Output_section::add_input_section): Call
13563         update_flags_for_input_section.
13564         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13565
13566 2008-04-11  Cary Coutant  <ccoutant@google.com>
13567
13568         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13569         thought unnecessary.
13570         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13571
13572 2008-04-11  Ian Lance Taylor  <iant@google.com>
13573
13574         * output.h (class Output_section_data): Remove inline definition
13575         of set_addralign.
13576         * output.cc (Output_section_data::set_addralign): New function.
13577
13578 2008-04-11  Cary Coutant  <ccoutant@google.com>
13579
13580         Add support for TLS descriptors for i386 and x86_64.
13581         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13582         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13583         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13584         GOT_TYPE_TLS_DESC.
13585         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13586         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13587         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13588         relocations.
13589         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13590         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13591         Fix problem with initial-exec relocations.
13592         (Target_i386::Relocate::relocate_tls): Likewise.
13593         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13594         relaxation.
13595         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13596         support for section-plus-offset dynamic table entries.
13597         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13598         (Output_data_dynamic::Dynamic_entry): Add support for
13599         section-plus-offset dynamic table entries.
13600         (Output_data_dynamic::Classification): Likewise.
13601         (Output_data_dynamic::classification_): Renamed offset_.
13602         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13603         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13604         (Target_x86_64::make_plt_section): New function.
13605         (Target_x86_64::reserve_tlsdesc_entries): New function.
13606         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13607         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13608         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13609         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13610         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13611         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13612         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13613         add extra PLT entry for TLS descriptors.
13614         (Output_data_plt_x86_64::got_): New field.
13615         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13616         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13617         fields.
13618         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13619         descriptors.
13620         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13621         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13622         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13623         R_386_TLS_DESC_CALL relocations.
13624         (Target_x86_64::Scan::global): Likewise.
13625         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13626         for TLS descriptors.
13627         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13628         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13629         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13630         GD-to-IE relaxation.
13631         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13632         and TLS_DESCRIPTORS.
13633         * Makefile.in: Rebuild.
13634         * configure: Rebuild.
13635         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13636         (tls_test_shared2.so): New target.
13637         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13638         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13639         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13640         (tls_shared_gd_to_ie_test_LDADD): New variable.
13641         (tls_shared_gnu2_gd_to_ie_test): New target.
13642         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13643         New targets.
13644         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13645         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13646         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13647         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13648         (tls_shared_gnu2_test): New target.
13649         (tls_test_gnu2_shared.so): New target.
13650         (tls_shared_gnu2_test_SOURCES): New variable.
13651         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13652         (tls_shared_gnu2_test_LDFLAGS): New variable.
13653         (tls_shared_gnu2_test_LDADD): New variable.
13654         * testsuite/Makefile.in: Rebuild.
13655         * testsuite/Makefile.
13656
13657 2008-04-11  Ian Lance Taylor  <iant@google.com>
13658
13659         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13660         justsyms.t.
13661         * testsuite/Makefile.in: Rebuild.
13662
13663         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13664         long.
13665         * testsuite/script_test_2.cc (main): Adjust test.
13666
13667 2008-04-11  David S. Miller  <davem@davemloft.net>
13668             Ian Lance Taylor  <iant@google.com>
13669
13670         * options.h (General_options): Add entries for '-Y' and
13671         '-relax'.
13672         * options.cc (General_options:finalize): If -Y was used, add those
13673         entries to the library path instead of the default "/lib" and
13674         "/usr/lib".
13675
13676 2008-04-11  David S. Miller  <davem@davemloft.net>
13677
13678         * testsuite/justsyms.t: Start at 0x100.
13679         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13680         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13681         long.
13682         * testsuite/script_test_2.cc: Adjust string and section length
13683         checks.
13684
13685 2008-04-09  Ian Lance Taylor  <iant@google.com>
13686
13687         PR gold/5996
13688         * script-sections.cc (Sections_element::allocate_to_segment): Add
13689         orphan parameter.
13690         (Output_section_definition::allocate_to_segment): Likewise.
13691         (Orphan_output_section::allocate_to_segment): Likewise.
13692         (Script_sections::attach_sections_using_phdrs_clause): Don't
13693         propagate non-PT_LOAD segments to orphan sections.
13694         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13695         readelf rather than objdump.
13696         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13697         .interp section and PT_INTERP segment are the same size.
13698         * testsuite/Makefile.in: Rebuild.
13699
13700         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13701         aliases for symbols defined in the same object.
13702         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13703         (weak_alias_test_SOURCES): New variable.
13704         (weak_alias_test_DEPENDENCIES): New variable.
13705         (weak_alias_test_LDFLAGS): New variable.
13706         (weak_alias_test_LDADD): New variable.
13707         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13708         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13709         (weak_alias_test_3.o): New target.
13710         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13711         * testsuite/weak_alias_test_main.cc: New file.
13712         * testsuite/weak_alias_test_1.cc: New file.
13713         * testsuite/weak_alias_test_2.cc: New file.
13714         * testsuite/weak_alias_test_3.cc: New file.
13715
13716 2008-04-08  Ian Lance Taylor  <iant@google.com>
13717
13718         * options.h (class General_options): Add --noinhibit-exec option.
13719         * main.cc (main): Check --noinhibit-exec.
13720
13721         * options.h (class General_options): Define --wrap as a special
13722         option.  Add wrap_symbols_ field.
13723         (General_options::any_wrap_symbols): New function.
13724         (General_options::is_wrap_symbol): New function.
13725         * options.cc (General_options::parse_wrap): New function.
13726         (General_options::General_options): Initialize wrap_symbols_.
13727         * symtab.cc (Symbol_table::wrap_symbol): New function.
13728         (Symbol_table::add_from_object): Handle --wrap.
13729         * symtab.h (class Symbol_table): Declare wrap_symbol.
13730         * target.h (Target::wrap_char): New function.
13731         (Target::Target_info): Add wrap_char field.
13732         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13733         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13734         * testsuite/testfile.cc (Target_test::test_target_info):
13735         Likewise.
13736
13737         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13738         there is one.
13739
13740         * layout.h (class Layout): Add added_eh_frame_data_ field.
13741         * layout.cc (Layout::Layout): Initialize new field.
13742         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13743         output section until we find a section we merged successfully.
13744         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13745         that the size be non-zero.
13746
13747         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13748         qualifier.
13749
13750 2008-04-08  Craig Silverstein  <csilvers@google.com>
13751
13752         * configure.ac: Export new conditional variable HAVE_ZLIB.
13753         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13754         on HAVE_ZLIB.
13755         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13756         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13757
13758 2008-04-07  Ian Lance Taylor  <iant@google.com>
13759
13760         * version.cc (version_string): Set to "1.5".
13761
13762         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13763         Add issued_non_pic_error_ field.  Declare check_non_pic.
13764         (Target_x86_64::Scan::check_non_pic): New function.
13765         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13766         (Target_x86_64::Scan::global): Likewise.
13767
13768         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13769         addend parameter.  Change caller.  Handle merge sections.
13770         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13771         Address to Addend.  Don't add in the result of
13772         local_section_offset, pass down the addend and use the returned
13773         value.
13774         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13775         Update declarations of local_section_offset and symbol_value.
13776         * testsuite/two_file_test_1.cc (t18): New function.
13777         * testsuite/two_file_test_2.cc (f18): New function.
13778         * testsuite/two_file_test_main.cc (main): Call t18.
13779         * testsuite/two_file_test.h (t18, f18): Declare.
13780
13781         * configure.ac: Don't test for objdump, c++filt, or readelf.
13782         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13783         conditionals.
13784         (TEST_READELF): New variable.
13785         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13786         (check_PROGRAMS): Add two_file_strip_test.
13787         (two_file_strip_test): New target.
13788         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13789         (two_file_same_shared_strip_test_SOURCES): New variable.
13790         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13791         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13792         (two_file_same_shared_strip_test_LDADD): New variable.
13793         (two_file_shared_strip.so): New target.
13794         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13795         (ver_test_5.syms, ver_test_7.syms): Likewise.
13796         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13797         (strip_test_3.stdout): Use TEST_OBJDUMP.
13798         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13799
13800 2008-04-04  Cary Coutant  <ccoutant@google.com>
13801
13802         * symtab.h (Symbol::is_weak_undefined): New function.
13803         (Symbol::is_strong_undefined): New function.
13804         (Symbol::is_absolute): New function.
13805         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13806         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13807         absolute symbols.
13808         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13809         (weak_undef_test): New target.
13810         * testsuite/Makefile.in: Rebuild.
13811         * testsuite/weak_undef_file1.cc: New file.
13812         * testsuite/weak_undef_file2.cc: New file.
13813         * testsuite/weak_undef_test.cc: New file.
13814
13815 2008-04-03  Craig Silverstein  <csilvers@google.com>
13816
13817         * compressed_output.h (class Output_compressed_section): Use
13818         unsigned buffer.
13819         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13820         add zlib header.
13821         (zlib_compressed_suffix): Removed.
13822         (Output_compressed_section::set_final_data_size): Use unsigned
13823         buffers.
13824         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13825         Fix linker invocation.
13826         (flagstest_o_specialfile_and_compress_debug_sections):
13827         Likewise.
13828         * testsuite/Makefile.in: Regenerated.
13829
13830 2008-04-02  David S. Miller  <davem@davemloft.net>
13831
13832         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13833         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13834
13835 2008-04-02  Craig Silverstein  <csilvers@google.com>
13836
13837         * TODO: New file.
13838
13839 2008-04-02  Ian Lance Taylor  <iant@google.com>
13840
13841         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13842         parameters.  Update for new key type to views_.  Change all
13843         callers.
13844         (File_read::read): Adjust for byteshift in returned view.
13845         (File_read::add_view): New function, broken out of
13846         find_and_make_view.
13847         (File_read::make_view): New function, broken out of
13848         find_and_make_view.
13849         (File_read::find_or_make_view): Add offset and aligned
13850         parameters.  Rewrite accordingly.  Change all callers.
13851         (File_read::get_view): Add offset and aligned parameters.  Adjust
13852         for byteshift in return value.
13853         (File_read::get_lasting_view): Likewise.
13854         * fileread.h (class File_read): Update declarations.
13855         (class File_read::View): Add byteshift_ field.  Add byteshift to
13856         constructor.  Add byteshift method.
13857         * archive.h (Archive::clear_uncached_views): New function.
13858         (Archive::get_view): Add aligned parameter.  Change all callers.
13859         * object.h (Object::get_view): Add aligned parameter.  Change all
13860         callers.
13861         (Object::get_lasting_view): Likewise.
13862
13863         * fileread.cc (File_read::release): Don't call clear_views if
13864         there are multiple objects.
13865         * fileread.h (File_read::clear_uncached_views): New function.
13866         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13867         on the archive.
13868
13869 2008-03-31  Cary Coutant  <ccoutant@google.com>
13870
13871         Add thin archive support.
13872         * archive.cc (Archive::armagt): New const.
13873         (Archive::setup): Remove task parameter and calls to unlock.
13874         (Archive::unlock_nested_archives): New function.
13875         (Archive::read_header): Add nested_off parameter. Change
13876         all callers.
13877         (Archive::interpret_header): Likewise.
13878         (Archive::include_all_members): Change to handle thin
13879         archives.
13880         (Archive::include_member): Likewise.
13881         * archive.h (Archive::Archive): Add new parameters and
13882         initializers.
13883         (Archive::armagt): New const.
13884         (Archive::setup): Remove task parameter.
13885         (Archive::unlock_nested_archives): New function.
13886         (Archive::read_header): Add nested_off parameter.
13887         (Archive::interpret_header): Likewise.
13888         (Archive::Nested_archive_table): New typedef.
13889         (Archive::is_thin_archive_): New field.
13890         (Archive::nested_archives_): New field.
13891         (Archive::options_): New field.
13892         (Archive::dirpath_): New field.
13893         (Archive::task_): New field.
13894         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13895         for thin archives.  Pass additional parameters to
13896         Archive::Archive.  Unlock the archive file after calling
13897         Archive::setup.
13898
13899 2008-03-29  Ian Lance Taylor  <iant@google.com>
13900
13901         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13902         version symbol to be local.
13903         * testsuite/ver_test_4.sh: New file.
13904         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13905         (check_DATA): Add ver_test_4.syms.
13906         (ver_test_4.syms): New target.
13907         * testsuite/Makefile.in: Rebuild.
13908
13909         * output.cc
13910         (Output_section::Input_section_sort_entry::has_priority): New
13911         function.
13912         (Output_section::Input_section_sort_entry::match_file_name): New
13913         function.
13914         (Output_section::Input_section_sort_entry::match_section_name):
13915         Remove.
13916         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13917         Remove.
13918         (Output_section::Input_section_sort_entry::match_section_file):
13919         Remove.
13920         (Output_section::Input_section_sort_compare::operator()): Rewrite
13921         using new Input_section_sort_entry functions.  Sort crtbegin and
13922         crtend first.  Sort sections with no priority before sections with
13923         a priority.
13924         * testsuite/initpri1.c (d3): Check j != 4.
13925         (cd5): New constructor/destructor function.
13926         (main): Check j != 2.
13927
13928         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13929         new symbol when resolving, don't call set_is_default.
13930         * testsuite/ver_test_7.cc: New file.
13931         * testsuite/ver_test_7.sh: New file.
13932         * testsuite/Makefile.am (ver_test_7.so): New target.
13933         (ver_test_7.o): New target.
13934         (check_SCRIPTS): Add ver_test_7.sh.
13935         (check_DATA): Add ver_test_7.syms.
13936         (ver_test_7.syms): New target.
13937
13938 2008-03-28  Ian Lance Taylor  <iant@google.com>
13939
13940         * layout.cc (Layout::layout): If we see an input section with a
13941         name that needs sorting, set the must_sort flag for the output
13942         section.
13943         (Layout::make_output_section): If the name of the output section
13944         indicates that it might require sorting, set the may_sort flag.
13945         * output.h (Output_section::may_sort_attached_input_sections): New
13946         function.
13947         (Output_section::set_may_sort_attached_input_sections): New
13948         function.
13949         (Output_section::must_sort_attached_input_sections): New
13950         function.
13951         (Output_section::set_must_sort_attached_input_sections): New
13952         function.
13953         (class Output_section): Declare Input_section_sort_entry.  Define
13954         Input_section_sort_compare.  Declare
13955         sort_attached_input_sections.  Add new fields:
13956         may_sort_attached_input_sections_,
13957         must_sort_attached_input_sections_,
13958         attached_input_sections_are_sorted_.
13959         * output.cc (Output_section::Output_section): Initialize new
13960         fields.
13961         (Output_section::add_input_section): Add an entry to
13962         input_sections_ if may_sort or must_sort are true.
13963         (Output_section::set_final_data_size): Call
13964         sort_attached_input_sections if necessary.
13965         (Output_section::Input_section_sort_entry): Define new class.
13966         (Output_section::Input_section_sort_compare::operator()): New
13967         function.
13968         (Output_section::sort_attached_input_sections): New function.
13969         * configure.ac: Check whether the compiler supports constructor
13970         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13971         * testsuite/initpri1.c: New file.
13972         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13973         CONSTRUCTOR_PRIORITY.
13974         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13975         (initpri1_LDFLAGS): New variable.
13976         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13977
13978 2008-03-27  Ian Lance Taylor  <iant@google.com>
13979
13980         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13981         * testsuite/common_test_1.c: New file.
13982         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13983         (common_test_1_SOURCES): New variable.
13984         (common_test_1_DEPENDENCIES): New variable.
13985         (common_test_1_LDFLAGS): New variable.
13986
13987         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13988         and commons_ correctly when NAME/VERSION does not override
13989         NAME/NULL.
13990         * testsuite/ver_test_6.c: New file.
13991         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13992         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13993         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13994
13995 2008-03-26  Ian Lance Taylor  <iant@google.com>
13996
13997         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13998         of an undefined symbol from a version script.
13999         * testsuite/Makefile.am (ver_test_5.so): New target.
14000         (ver_test_5.o): New target.
14001         (check_SCRIPTS): Add ver_test_5.sh.
14002         (check_DATA): Add ver_test_5.syms.
14003         (ver_test_5.syms): New target.
14004         * testsuite/ver_test_5.cc: New file.
14005         * testsuite/ver_test_5.script: New file.
14006         * testsuite/ver_test_5.sh: New file.
14007         * Makefile.in, testsuite/Makefile.in: Rebuild.
14008
14009         PR gold/5986
14010         Fix problems building gold with gcc 4.3.0.
14011         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14012         (gold_error_at_location, gold_warning_at_location): Use it.
14013         * configure.ac: Check whether we can compile and use a template
14014         function with a printf attribute.
14015         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14016         when jumping over bytes.
14017         * object.cc: Instantiate Object::read_section_data.
14018         * debug.h: Include <cstring>
14019         * dwarf_reader.cc: Include <algorithm>
14020         * main.cc: Include <cstring>.
14021         * options.cc: Include <cstring>.
14022         * output.cc: Include <cstring>.
14023         * script.cc: Include <cstring>.
14024         * script.h: Include <string>.
14025         * symtab.cc: Include <cstring> and <algorithm>.
14026         * target-select.cc: Include <cstring>.
14027         * version.cc: Include <string>.
14028         * testsuite/testmain.cc: Include <cstdlib>.
14029         * configure, config.in: Rebuild.
14030
14031 2008-03-25  Ian Lance Taylor  <iant@google.com>
14032
14033         * options.cc: Include "../bfd/bfdver.h".
14034         (options::help): Print bug reporting address.
14035
14036         * version.cc (print_version): Adjust output for current value of
14037         BFD_VERSION_STRING.
14038
14039         * NEWS: New file.
14040
14041         * options.cc (options::help): Print list of supported targets.
14042         * target-select.h: Include <vector>.
14043         (class Target_selector): Make machine_, size_, and is_big_endian_
14044         fields const.  Add bfd_name_ and instantiated_target_ fields.
14045         (Target_selector::Target_selector): Add bfd_name parameter.
14046         (Target_selector::recognize): Make non-virtual, call
14047         do_recognize.
14048         (Target_selector::recognize_by_name): Make non-virtual, call
14049         do_recognize_by_name.
14050         (Target_selector::supported_names): New function.
14051         (Target_selector::bfd_name): New function.
14052         (Target_selector::do_instantiate_target): New pure virtual
14053         function.
14054         (Target_selector::do_recognize): New virtual function.
14055         (Target_selector::do_recognize_by_name): New virtual function.
14056         (Target_selector::instantiate_target): New private function.
14057         (supported_target_names): Declare.
14058         * target-select.cc (Target_selector::Target_selector): Update for
14059         new parameter and fields.
14060         (select_target_by_name): Check that the name matches before
14061         calling recognize_by_name.
14062         (supported_target_names): New function.
14063         * i386.cc (class Target_selector_i386): Update Target_selector
14064         constructor call.  Remove recognize and recognize_by_name.  Add
14065         do_instantiate_target.
14066         * x86_64.cc (class Target_selector_x86_64): Likewise.
14067         * testsuite/testfile.cc (class Target_selector_test): Update for
14068         changes to Target_selector.
14069
14070         * README: Rewrite, with some notes on unsupported features.
14071
14072 2008-03-24  Cary Coutant  <ccoutant@google.com>
14073
14074         * i386.cc (Target_i386::Got_type): New enum declaration.
14075         (Target_i386::Scan::local): Updated callers of Output_data_got
14076         member functions.
14077         (Target_i386::Scan::global): Likewise.
14078         (Target_i386::Relocate::relocate): Likewise.
14079         (Target_i386::Relocate::relocate_tls): Likewise.
14080         * object.h (Got_offset_list): New class.
14081         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14082         (Sized_relobj::local_got_offset): Likewise.
14083         (Sized_relobj::set_local_got_offset): Likewise.
14084         (Sized_relobj::local_has_tls_got_offset): Removed.
14085         (Sized_relobj::local_tls_got_offset): Removed.
14086         (Sized_relobj::set_local_tls_got_offset): Removed.
14087         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14088         * output.cc (Output_data_got::add_global): Added got_type parameter.
14089         (Output_data_got::add_global_with_rel): Likewise.
14090         (Output_data_got::add_global_with_rela): Likewise.
14091         (Output_data_got::add_global_pair_with_rel): New function.
14092         (Output_data_got::add_global_pair_with_rela): New function.
14093         (Output_data_got::add_local): Added got_type parameter.
14094         (Output_data_got::add_local_with_rel): Likewise.
14095         (Output_data_got::add_local_with_rela): Likewise.
14096         (Output_data_got::add_local_pair_with_rel): New function.
14097         (Output_data_got::add_local_pair_with_rela): New function.
14098         (Output_data_got::add_global_tls): Removed.
14099         (Output_data_got::add_global_tls_with_rel): Removed.
14100         (Output_data_got::add_global_tls_with_rela): Removed.
14101         (Output_data_got::add_local_tls): Removed.
14102         (Output_data_got::add_local_tls_with_rel): Removed.
14103         (Output_data_got::add_local_tls_with_rela): Removed.
14104         * output.h (Output_data_got::add_global): Added got_type parameter.
14105         (Output_data_got::add_global_with_rel): Likewise.
14106         (Output_data_got::add_global_with_rela): Likewise.
14107         (Output_data_got::add_global_pair_with_rel): New function.
14108         (Output_data_got::add_global_pair_with_rela): New function.
14109         (Output_data_got::add_local): Added got_type parameter.
14110         (Output_data_got::add_local_with_rel): Likewise.
14111         (Output_data_got::add_local_with_rela): Likewise.
14112         (Output_data_got::add_local_pair_with_rel): New function.
14113         (Output_data_got::add_local_pair_with_rela): New function.
14114         (Output_data_got::add_global_tls): Removed.
14115         (Output_data_got::add_global_tls_with_rel): Removed.
14116         (Output_data_got::add_global_tls_with_rela): Removed.
14117         (Output_data_got::add_local_tls): Removed.
14118         (Output_data_got::add_local_tls_with_rel): Removed.
14119         (Output_data_got::add_local_tls_with_rela): Removed.
14120         * resolve.cc (Symbol::override_base_with_special): Removed
14121         reference to has_got_offset_ field.
14122         * symtab.cc (Symbol::init_fields): Replaced initialization
14123         of got_offset_ with got_offsets_.  Removed initialization
14124         of has_got_offset_
14125         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14126         (Symbol::got_offset): Likewise.
14127         (Symbol::set_got_offset): Likewise.
14128         (Symbol::has_tls_got_offset): Removed.
14129         (Symbol::tls_got_offset): Removed.
14130         (Symbol::set_tls_got_offset): Removed.
14131         (Symbol::got_offset_): Removed.
14132         (Symbol::tls_mod_got_offset_): Removed.
14133         (Symbol::tls_pair_got_offset_): Removed.
14134         (Symbol::got_offsets_): New field.
14135         (Symbol::has_got_offset): Removed.
14136         (Symbol::has_tls_mod_got_offset): Removed.
14137         (Symbol::has_tls_pair_got_offset): Removed.
14138         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14139         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14140         member functions.
14141         (Target_x86_64::Scan::global): Likewise.
14142         (Target_x86_64::Relocate::relocate): Likewise.
14143         (Target_x86_64::Relocate::relocate_tls): Likewise.
14144
14145 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14146
14147         * yyscript.y: Fix spelling error in comment.
14148
14149 2008-03-24  Ian Lance Taylor  <iant@google.com>
14150
14151         * options.h (class General_options): Define build_id option.
14152         * layout.h (class Layout): Declare write_build_id, create_note,
14153         create_build_id.  Add build_id_note_ member.
14154         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14155         "libiberty.h", "md5.h", "sha1.h".
14156         (Layout::Layout): Initialize eh_frame_data_,
14157         eh_frame_hdr_section_, and build_id_note_.
14158         (Layout::finalize): Call create_build_id.
14159         (Layout::create_note): New function, broken out of
14160         Layout::create_gold_note.
14161         (Layout::create_gold_note): Call create_note.
14162         (Layout::create_build_id): New function.
14163         (Layout::write_build_id): New function.
14164         (Close_task_runner::run): Call write_build_id.
14165
14166         * x86_64.cc: Correct license to GPLv3.
14167
14168 2008-03-23  Ian Lance Taylor  <iant@google.com>
14169
14170         * options.cc: Include "demangle.h".
14171         (parse_optional_string): New function.
14172         (parse_long_option): Handle takes_optional_argument.
14173         (parse_short_option): Update dash_z initializer.  Handle
14174         takes_optional_argument.
14175         (General_options::General_options): Initialize do_demangle_.
14176         (General_options::finalize): Set do_demangle_.  Handle demangling
14177         style.
14178         * options.h (parse_optional_string): Declare.
14179         (struct One_option): Add optional_arg field.  Update constructor.
14180         Update call constructor calls.  Add takes_optional_argument
14181         function.
14182         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14183         (DEFINE_optional_string): Define.
14184         (General_options::demangle): Change from DEFINE_bool to
14185         DEFINE_optional_string.
14186         (General_options::no_demangle): New function.
14187         (General_options::do_demangle): New function.
14188         (General_options::set_do_demangle): New function.
14189         (General_options::execstack_status_): Move definition to end of
14190         class definition.
14191         (General_options::static_): Likewise.
14192         (General_options::do_demangle_): New field.
14193         * object.cc (big_endian>::get_symbol_location_info): Call
14194         Options::do_demangle, not Options::demangle.
14195         * symtab.cc (demangle): Likewise.
14196
14197 2008-03-22  Ian Lance Taylor  <iant@google.com>
14198
14199         * gold.h: Include <cstddef> and <sys/types.h>
14200         * options.h: Include <cstring>.
14201
14202 2008-03-21  Ian Lance Taylor  <iant@google.com>
14203
14204         * Added source code to GNU binutils.
14205 \f
14206 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14207
14208 Copying and distribution of this file, with or without modification,
14209 are permitted in any medium without royalty provided the copyright
14210 notice and this notice are preserved.
14211
14212 Local Variables:
14213 mode: change-log
14214 left-margin: 8
14215 fill-column: 74
14216 version-control: never
14217 End: