* powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
[external/binutils.git] / gold / ChangeLog
1 2012-12-04  Alan Modra  <amodra@gmail.com>
2
3         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
4         (Target_powerpc::do_define_standard_symbols): New function.
5
6 2012-12-03  Alan Modra  <amodra@gmail.com>
7
8         * output.h: Formatting, whitespace.
9
10 2012-12-03  Alan Modra  <amodra@gmail.com>
11
12         * layout.h (Layout::get_executable_sections): Declare.
13         * layout.cc (Layout::get_executable_sections): New function.
14         * arm.cc (Target_arm::group_sections): Use it.
15         (Arm_output_section::group_sections): Delete now redundant test.
16         * output.cc (Output_reloc::Output_reloc): Add is_relative.
17         param to handle relative relocs.
18         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
19         (Output_data_reloc::add_absolute): Adjust.
20         (Output_data_reloc::add_relative): New function.
21         (Output_data::reset_data_size): New function.
22         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
23         (Output_section::set_addralign): New function.
24         (Output_section::checkpoint_set_addralign): New function.
25         (Output_section::clear_section_offsets_need_adjustment): New function.
26         (Output_section::input_sections): Make public.
27         * powerpc.cc (class Output_data_brlt_powerpc): New.
28         (class Stub_table, class Stub_control): New.
29         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
30         stub_table_, set_stub_table, stub_table): New vectors and accessor
31         functions.
32         (Target_powerpc::do_may_relax, do_relax, push_branch,
33         new_stub_table, stub_tables, brlt_section, group_sections,
34         add_branch_lookup_table, find_branch_lookup_table,
35         write_branch_lookup_table, make_brlt_section): New functions.
36         (Target_powerpc::struct Sort_sections, class Branch_info): New.
37         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
38         branch_info_): New vars.
39         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
40         make call stubs here.
41         (Output_data_glink): Remove all call stub handling from this class.
42         (Target_powerpc::Scan::local, global): Save interesting branch
43         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
44         (Target_powerpc::do_finalize_sections): Only make reg save/restore
45         functions on final link.
46         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
47         Handle long branch destinations too.
48         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
49         do_plt_address_for_local): Adjust lookup of plt call stubs.
50
51 2012-11-30  Alan Modra  <amodra@gmail.com>
52
53         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
54         relocs against protected symbols when building 32-bit shared libs.
55
56 2012-11-30  Alan Modra  <amodra@gmail.com>
57
58         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
59         param.  Call got_section() to make .got.  Update all callers
60         and their callers and so on.
61
62 2012-11-30  Alan Modra  <amodra@gmail.com>
63
64         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
65         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
66         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
67         value if it already exists.
68
69 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
70
71         PR gold/14858
72         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
73
74 2012-11-14  Roland McGrath  <mcgrathr@google.com>
75
76         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
77         than bfc instruction for data sandboxing.
78
79 2012-11-08  Alan Modra  <amodra@gmail.com>
80
81         * po/POTFILES.in: Regenerate.
82
83 2012-11-05  Alan Modra  <amodra@gmail.com>
84
85         * configure.ac: Apply 2012-09-10 change to config.in here.
86         * configure: Regenerate.
87
88 2012-11-05  Alan Modra  <amodra@gmail.com>
89
90         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
91         (struct Opd_ent): Use "Address" rather than "Offset".
92         (Output_data_got_powerpc::got_base_offset): Return Valtype.
93         (Target_powerpc::got_section): Make public.
94         (Target_powerpc::scan_relocs): Move code setting symbols..
95         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
96         Create _SDA_BASE_ only when referenced.
97
98 2012-11-02  Roland McGrath  <mcgrathr@google.com>
99
100         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
101         from last change.
102
103 2012-11-01  Roland McGrath  <mcgrathr@google.com>
104
105         * target.h (Sized_target::relocate_relocs): Use Elf_Off
106         for offset_in_output_section parameter.
107         (Sized_target::relocate_special_relocatable): Likewise.
108         * arm.cc (Target_arm::relocate_relocs): Likewise.
109         (Target_arm::relocate_special_relocatable): Likewise.
110         * i386.cc (Target_i386::relocate_relocs): Likewise.
111         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
112         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
113         * target-reloc.h (relocate_relocs): Likewise.
114         * testsuite/testfile.cc (Target_test): Likewise.
115         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
116         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
117
118         * system.h: Move inclusion of <clocale> to after <libintl.h> in
119         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
120
121         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
122         parameter, which is unused in the [!F_SETFD] case.
123
124         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
125         SYMNDX to off_t before comparing it to this->data_size().
126         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
127         * incremental.cc (Output_section_incremental_inputs::do_write):
128         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
129
130         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
131
132 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
133
134         * gold.cc (Target_arm::do_adjust_elf_header): Add the
135         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
136         in EABI_VER5.
137
138 2012-10-29  Cary Coutant  <ccoutant@google.com>
139
140         * dwp.cc (usage): Add file and exit status parameters;
141         add --help and --version options.
142         (print_version): New function.
143         (main): Add --help and --version options.
144
145 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
146
147         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
148         final_layout_sequence.txt.
149         * testsuite/Makefile.in: Regenerated.
150
151 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
152
153         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
154         COMPILE generated by automake.
155         (LINK1): Likewise.
156         (CXXCOMPILE1): Likewise.
157         (CXXLINK1): Likewise.
158         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
159         (LINK): Likewise.
160         (CXXCOMPILE): Likewise.
161         (CXXLINK): Likewise.
162         * testsuite/Makefile.in: Regenerated.
163
164 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
165
166         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
167         on bad fwrite return.
168
169 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
170
171         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
172         on val.
173
174 2012-10-23  Cary Coutant  <ccoutant@google.com>
175
176         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
177         * testsuite/Makefile.in: Regenerate.
178         * testsuite/dwp_test.h: New source file.
179         * testsuite/dwp_test_1.cc: New source file.
180         * testsuite/dwp_test_1.s: New source file.
181         * testsuite/dwp_test_1.sh: New source file.
182         * testsuite/dwp_test_1b.cc: New source file.
183         * testsuite/dwp_test_1b.s: New source file.
184         * testsuite/dwp_test_2.cc: New source file.
185         * testsuite/dwp_test_2.s: New source file.
186         * testsuite/dwp_test_2.sh: New source file.
187         * testsuite/dwp_test_main.cc: New source file.
188         * testsuite/dwp_test_main.s: New source file.
189
190 2012-10-23  Cary Coutant  <ccoutant@google.com>
191
192         * dwp.h: New header file.
193         * dwp.cc: New source file.
194         * gold.h: Move shared declarations to system.h.
195         * system.h: New header file.
196         * Makefile.am: Add dwp.
197         * Makefile.in: Regenerate.
198
199 2012-10-23  Cary Coutant  <ccoutant@google.com>
200
201         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
202         Dwarf_info_reader::read_from_pointer.
203         (Dwarf_pubnames_table::read_header): Likewise.
204         (Dwarf_pubnames_table::next_name): Likewise.
205         (Dwarf_die::read_attributes): Likewise.
206         (Dwarf_die::skip_attributes): Likewise.
207         (Dwarf_info_reader::read_from_pointer): New function template.
208         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
209         (Dwarf_pubnames_table): Likewise.
210         (Dwarf_info_reader::read_from_pointer): New function template.
211         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
212         Dwarf_pubnames_table ctor.
213
214 2012-10-23  Cary Coutant  <ccoutant@google.com>
215
216         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
217         abbrev_shndx.
218         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
219         abbrev_shndx_.
220         (Dwarf_info_reader::set_abbrev_shndx): New method.
221         (Dwarf_info_reader::abbrev_shndx_): New data member.
222
223 2012-10-23  Cary Coutant  <ccoutant@google.com>
224
225         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
226         from object, not parameters.
227         (Dwarf_info_reader::parse): Likewise.
228         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
229         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
230         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
231         methods.
232
233 2012-10-23  Cary Coutant  <ccoutant@google.com>
234
235         * fileread.cc (Input_file::Input_file): New constructor.
236         * fileread.h (class Input_file): Add new constructor.
237
238 2012-10-18  Alan Modra  <amodra@gmail.com>
239
240         PR gold/14727
241         * object.cc (Relobj::is_section_name_included): Also match
242         .sdata personality section.
243
244 2012-10-18  Alan Modra  <amodra@gmail.com>
245
246         * target-reloc.h (class Default_comdat_behavior): New, package up..
247         (get_comdat_behaviour): ..this.
248         (relocate_section): Add Relocate_comdat_behavior template arg,
249         adjust code to suit.
250         * arm.cc (Target_arm::relocate_section): Adjust to suit.
251         (Target_arm::scan_reloc_section): Likewise.
252         * i386.cc (Target_i386::relocate_section): Likewise.
253         * sparc.cc (Target_sparc::relocate_section): Likewise.
254         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
255         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
256         * powerpc.cc (class Relocate_comdat_behavior): New.
257         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
258         gold::relocate_section with new template arg.
259
260 2012-10-18  Alan Modra  <amodra@gmail.com>
261
262         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
263         dynamic relocs for GOT_TPREL got entries, without symbol if
264         resolving locally.
265         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
266         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
267         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
268
269 2012-10-17  Alan Modra  <amodra@gmail.com>
270
271         PR gold/14726
272         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
273
274 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
275
276         * layout.cc (Layout::include_section): Keep sections marked
277         SHF_EXCLUDE when doing relocatable links.
278
279 2012-10-16  Alan Modra  <amodra@gmail.com>
280
281         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
282         (Target_powerpc::do_finalize_sections): Call it.
283         (Output_data_save_res): New class and supporting functions.
284         (Target_powerpc::symval_for_branch): Only look up .opd entry for
285         normal symbols defined in object files.
286
287 2012-10-12  Alan Modra  <amodra@gmail.com>
288
289         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
290         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
291         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
292         section if scan_opd_relocs not yet called.
293         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
294
295 2012-10-12  Alan Modra  <amodra@gmail.com>
296
297         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
298         add_local_ifunc_entry): Revert last change.
299         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
300
301 2012-10-05  Alan Modra  <amodra@gmail.com>
302
303         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
304         do_plt_address_for_global): New functions.
305         (Output_data_got_powerpc::do_write): Don't segfault when linking
306         statically.
307         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
308         add_local_ifunc_entry): Return true on adding entry..
309         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
310         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
311         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
312         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
313         set up symbols here.
314         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
315         syms here.  Do so even when no .iplt.  Don't segfault when linking
316         statically.
317         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
318         new variants without reloc param.
319         (Glink_sym_ent::Glink_sym_ent): Likewise.
320         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
321         reloc when refs will resolve to plt call stub.
322         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
323         R_PPC_PLTREL24 to resolve locally.
324         (Target_powerpc::Scan::global): Correct ifunc handling.
325         (Target_powerpc::Relocate::relocate): Correct local sym glink
326         lookup.  Don't destroy "value" when we have a plt call stub,
327         and when checking plt call validity.
328         (Target_powerpc::do_dynsym_value): Simplify.
329
330 2012-10-05  Alan Modra  <amodra@gmail.com>
331
332         * i386.cc (Output_data_plt_i386::address_for_global,
333         address_for_local): Add plt offset to returned value.  Adjust uses.
334         * sparc.cc (Output_data_plt_sparc::address_for_global,
335         address_for_local): Likewise.
336         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
337         address_for_local): Likewise.
338         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
339         address_for_local): Likewise.
340         * target.h (Target::plt_address_for_global, plt_address_for_local):
341         Update comment.
342         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
343         (Output_data_got::Got_entry::write): Nor here.
344         * output.h: Comment fix.
345
346 2012-10-02  Jiong Wang  <jiwang@tilera.com>
347
348         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
349         global_offset_table_ value for larget got.
350         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
351
352 2012-09-29  Alan Modra  <amodra@gmail.com>
353
354         * powerpc.cc (Target_powerpc::iplt_): New output section.
355         (Target_powerpc::iplt_section, make_iplt_section,
356         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
357         (Target_powerpc::make_plt_entry): Handle ifunc syms.
358         Target_powerpc::plt_entry_count): Count iplt entries too.
359         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
360         reloc section in constructor.  New params.
361         (Target_powerpc::make_plt_section): Create reloc section here instead.
362         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
363         functions.
364         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
365         (Output_data_glink::add_entry, find_entry): New functions to
366         deal with local syms.
367         (Glink_sym_ent): Add support for local syms.
368         (Output_data_glink::do_write): Handle ifunc plt entries.
369         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
370         (Target_powerpc::Scan::local, global): Handle ifunc syms.
371         (Target_powerpc::Relocate::relocate): Likewise.
372         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
373
374 2012-09-25  Alan Modra  <amodra@gmail.com>
375
376         * object.h (Sized_relobj_file::adjust_local_symbol,
377         do_adjust_local_symbol): New functions.
378         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
379         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
380         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
381         and irregular opd entry spacing.
382         (Powerpc_relobj::do_read_relocs): Add opd size checks.
383         (Global_symbol_visitor_opd): New functor.
384         (Target_powerpc::do_finalize_sections): Omit global symbols defined
385         on deleted opd entries.
386
387 2012-09-15  Jiong Wang  <jiwang@tilera.com>
388
389         * tilegx.cc: New file.
390         * Makefile.am (TARGETSOURCES): Add tilegx.cc
391         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
392         * configure.tgt: Add entries for tilegx*.
393         * configure.ac: Likewise.
394         * Makefile.in: Rebuild.
395         * configure: Likewise.
396         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
397         tilegx.
398
399 2012-09-13  Alan Modra  <amodra@gmail.com>
400
401         * target-reloc.h (scan_relocs): Call scan.local for relocs
402         against symbols in discarded sections.  Pass is_discarded
403         param.
404         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
405         Add is_discarded param.
406         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
407         is_discarded to flag opd entry as discarded.  Don't emit dyn
408         relocs on such entries.
409         (Target_powerpc::Scan::global): Similarly detect and handle
410         such opd entries.
411         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
412         opd_ent_.  Update all uses.
413         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
414         (Target_powerpc::relocate_section): Zero out discarded opd
415         entry relocs.
416
417 2012-09-12  Ian Lance Taylor  <iant@google.com>
418
419         PR gold/14570
420         * output.cc: Rename Output_data_got template parameter from size
421         to got_size for all functions.  Compile all variants of
422         Output_data_got.
423         (Output_data_got::Got_entry::write): Correct use of size for
424         symbol value.  Use local_is_tls rather than casting to
425         Sized_relobj_file.
426         * object.h (class Object): Add local_is_tls and do_local_is_tls.
427         (class Sized_relobj_file): Add do_local_is_tls.
428         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
429
430 2012-09-11  Alan Modra  <amodra@gmail.com>
431
432         PR gold/14566
433         * layout.cc (Layout::set_segment_offsets): When using
434         common-page-size alignment, ensure we are on a new max-page-size
435         page.
436         * output.cc (Output_segment::set_section_addresses): Use
437         abi_pagesize, not common_pagesize for relro boundary.
438         (Output_segment::set_offset): Likewise.
439
440 2012-09-11  Alan Modra  <amodra@gmail.com>
441
442         * output.h (Output_data_got::add_global_tls, add_local_tls,
443         add_local_tls_pair): New functions.
444         (Output_data_got::add_local_pair_with_rel): Remove second
445         reloc param.  Expand comment.
446         (Output_data_got::Got_entry): Rename use_plt_offset_ to
447         use_plt_or_tls_offset_, similarly for constructor param.
448         (Output_data_got::Got_entry::write): Add got_index param.
449         * output.cc (Output_data_got::add_global_tls, add_local_tls,
450         add_local_tls_pair): New functions.
451         (Output_data_got::Got_entry::write): Handle tls symbols
452         with use_plt_or_tls_offset_ set specially.
453         (Output_data_got::add_local_pair_with_rel): Only one reloc.
454         (Output_data_got::do_write): Replace iterator with index, pass
455         index to entry write function.
456         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
457         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
458         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
459         call.
460         * i386.cc (Target_i386::Scan::local): Likewise.
461         * sparc.cc (Target_sparc::Scan::local): Likewise.
462         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
463         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
464         do_tls_offset_for_global): New functions.
465         (Target_powerpc::Scan::local): Correct TLS relocations and got
466         entry values.
467         (Target_powerpc::Scan::global): Don't emit unnecessary
468         dynamic relocations on TLS GOT entries.
469
470 2012-09-10  Matthias Klose  <doko@ubuntu.com>
471
472         * config.in: Disable sanity check for kfreebsd.
473
474 2012-09-10  Sterling Augustine  <saugustine@google.com>
475
476         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
477         (Gdb_index::pubtypes_read): New parameter.
478         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
479         to calls.
480         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
481         pubtypes_object_.
482
483 2012-09-09  Alan Modra  <amodra@gmail.com>
484
485         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
486         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
487         * gc.h (gc_process_relocs): Call target gc_add_reference.
488         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
489         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
490         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
491         unnecessary cast.
492         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
493         to cater for when we don't need code offset.  Update use.
494         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
495         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
496         set_opd_valid): New functions.
497         (Target_powerpc::do_gc_add_reference): New function.
498         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
499         stashed refs.
500         (Target_powerpc::do_gc_mark_symbol): New function.
501
502 2012-09-06  Cary Coutant  <ccoutant@google.com>
503
504         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
505         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
506         (Dwarf_die::skip_attributes): Likewise.
507         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
508         * testsuite/gdb_index_test.cc (inline_func_1): New function.
509         (main): Call it.
510         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
511
512 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
513
514         * testsuite/script_test_3.t: Add .got.plt output section
515         statement.
516         * testsuite/script_test_4.t: Likewise.
517
518 2012-09-05  Alan Modra  <amodra@gmail.com>
519
520         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
521         update all uses and lose "enum" when using type.
522
523 2012-09-05  Alan Modra  <amodra@gmail.com>
524
525         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
526         * configure: Regenerate.
527         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
528         (plugin_final_layout.stdout): Likewise.
529         (memory_test): Set page sizes to 0x1000.
530         * testsuite/Makefile.in: Regenerate.
531         * testsuite/discard_locals_test.sh: Add FIXME comment.
532         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
533         * testsuite/pr14265.t: Add .got output section statement.
534         * testsuite/script_test_2.t: Likewise.
535         * testsuite/script_test_3.t: Likewise.
536         * testsuite/script_test_4.t: Likewise.
537         * testsuite/script_test_5.t: Likewise.
538         * testsuite/script_test_6.t: Likewise.
539         * testsuite/script_test_7.t: Likewise.
540         * testsuite/script_test_9.t: Likewise.
541
542 2012-09-05  Alan Modra  <amodra@gmail.com>
543
544         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
545         (Powerpc_relocate_functions::Status): New typedef.
546         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
547         (Target_powerpc::Scan::local): Handle REL64.
548         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
549         for REL32 and REL64.
550         (Target_powerpc::symval_for_branch): New function, extracted from..
551         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
552         checks.  Report overflow errors.
553
554 2012-09-05  Alan Modra  <amodra@gmail.com>
555
556         * object.h (Sized_relobj_file::emit_relocs): Delete.
557         (Sized_relobj_file::emit_relocs_reltype): Delete.
558         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
559         relocate_relocs for --emit-relocs.
560         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
561         * output.h: Update comment.
562         (Output_segment::first_section): New function.
563         (Output_segment::first_section_load_address): Use first_section.
564         * output.cc (Output_segment::first_section): New function extracted..
565         (Output_segment::first_section_load_address): ..from here.  Delete.
566         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
567         * target.h (Sized_target::relocate_for_relocatable): Likewise.
568         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
569         adjust call to target.h function.
570         * i386.cc (Target_i386): Likewise.
571         * sparc.cc (Target_sparc): Likewise.
572         * x86_64.cc (Target_x86_64): Likewise.
573         * powerpc.cc (Target_powerpc): Likewise.
574         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
575         first tls section has section symbol for optimised local dynamic
576         output relocs.
577         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
578         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
579         optimised tls code.
580         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
581         Rename to relocate_relocs.  Update error message.
582
583 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
584
585         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
586         --just-symbols.
587
588 2012-08-31  Alan Modra  <amodra@gmail.com>
589
590         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
591         (Powerpc_relobj::toc_base_offset): New stub function.
592         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
593         got_mod_index_offset to tlsld_got_offset.  Update all refs.
594         (Target_powerpc::Relocate::enum skip_tls): New.
595         (Target_powerpc::call_tls_get_addr_): New var.
596         (Target_powerpc::is_branch_reloc): Move to file scope.
597         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
598         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
599         New functions.
600         (Target_powerpc::enum Got_type): Delete old values, add new ones.
601         (powerpc_info): Correct common_pagesize for ppc64.
602         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
603         (Powerpc_relocate_functions): Add overflow check enums and functions.
604         Add non-shift version of rela, rela_ua.  Delete all rel public
605         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
606         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
607         addr16_ha3, addr14 functions.
608         (Output_data_got_powerpc::add_constant_pair): New function.
609         (Output_data_got_powerpc::got_base_offset): Likewise.
610         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
611         (instruction constants): Sort, add some more.
612         (Output_data_glink::do_write): Add and use Address typedef.  Use
613         object->toc_base_offset() stub for 64-bit.
614         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
615         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
616         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
617         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
618         Always treat .opd relocs as against locally defined symbol.
619         Correct condition for RELATIVE relocs.
620         (Target_powerpc::do_finalize_sections): Test for NULL sections.
621         (Target_powerpc::Relocate::relocate): Use plt call stub as value
622         for 32-bit syms with a plt entry.  Correct ppc64 toc base
623         calculations.  Handle TLS relocs, and more.  Add overflow
624         checking and adjust for Powerpc_relocate_functions changes.
625         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
626         Reinstate --emit-relocs code with FIXME.
627
628 2012-08-30  Alan Modra  <amodra@gmail.com>
629
630         * layout.cc (Layout::set_segment_offsets): Set p_align to
631         abi_pagesize, not common_pagesize.
632         (Layout::relaxation_loop_body): Similarly use abi_pagesize
633         to determine whether file header can go in segment.
634
635 2012-08-30  Alan Modra  <amodra@gmail.com>
636
637         * output.h (Output_reloc::Output_reloc <output section>): Add
638         is_relative param.  Adjust calls.
639         (Output_reloc::add_output_section_relative): New functions.
640         * output.cc (Output_reloc::Output_reloc <output section>): Handle
641         is_relative.
642         (Output_reloc::symbol_value): Handle SECTION_CODE.
643
644 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
645
646         * gold.cc (queue_middle_tasks): Call layout again when unique
647         segments for sections is desired.
648         * layout.cc (Layout::Layout): Initialize new members.
649         (Layout::get_output_section_flags): New function.
650         (Layout::choose_output_section): Call get_output_section_flags.
651         (Layout::layout): Make output section for mapping to a unique segment.
652         (Layout::insert_section_segment_map): New function.
653         (Layout::attach_allocated_section_to_segment): Make unique segment for
654         output sections marked so.
655         (Layout::segment_precedes): Check for unique segments when sorting.
656         * layout.h (Layout::Unique_segment_info): New struct.
657         (Layout::Section_segment_map): New typedef.
658         (Layout::insert_section_segment_map): New function.
659         (Layout::get_output_section_flags): New function.
660         (Layout::is_unique_segment_for_sections_specified): New function.
661         (Layout::set_unique_segment_for_sections_specified): New function.
662         (Layout::unique_segment_for_sections_specified_): New member.
663         (Layout::section_segment_map_): New member.
664         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
665         Rename is_gc_pass_one to is_pass_one.
666         Rename is_gc_pass_two to is_pass_two.
667         Rename is_gc_or_icf to is_two_pass.
668         Check for which pass based on whether symbols data is present.
669         Make it two pass when unique segments for sections is desired.
670         * output.cc (Output_section::Output_section): Initialize new
671         members.
672         * output.h (Output_section::is_unique_segment): New function.
673         (Output_section::set_is_unique_segment): New function.
674         (Output_section::is_unique_segment_): New member.
675         (Output_section::extra_segment_flags): New function.
676         (Output_section::set_extra_segment_flags): New function.
677         (Output_section::extra_segment_flags_): New member.
678         (Output_section::segment_alignment): New function.
679         (Output_section::set_segment_alignment): New function.
680         (Output_section::segment_alignment_): New member.
681         (Output_segment::Output_segment): Initialize is_unique_segment_.
682         (Output_segment::is_unique_segment): New function.
683         (Output_segment::set_is_unique_segment): New function.
684         (Output_segment::is_unique_segment_): New member.
685         * plugin.cc (allow_unique_segment_for_sections): New function.
686         (unique_segment_for_sections): New function.
687         (Plugin::load): Add new functions to transfer vector.
688         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
689         * Makefile.in: Regenerate.
690         * testsuite/plugin_final_layout.sh: Check if unique segment
691         functionality works.
692         * testsuite/plugin_section_order.c (onload): Check if new interfaces
693         are available.
694         (allow_unique_segment_for_sections): New global.
695         (unique_segment_for_sections): New global.
696         (claim_file_hook): Call allow_unique_segment_for_sections.
697         (all_symbols_read_hook): Call unique_segment_for_sections.
698
699 2012-08-22  Cary Coutant  <ccoutant@google.com>
700
701         * layout.cc (Layout::include_section): Don't assert on GROUP
702         sections with --emit-relocs.
703
704 2012-08-21  Cary Coutant  <ccoutant@google.com>
705
706         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
707         if --export-dynamic-symbol names an undef symbol.
708
709 2012-08-18  Alan Modra  <amodra@gmail.com>
710
711         * powerpc.cc: Formatting and white space.
712         (Powerpc_relobj): Rename got2_section_ to special_.
713         Add opd_ent_shndx_ and opd_ent_off_ vectors.
714         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
715         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
716         (Target_powerpc): Add Address typedef and invalid_address.  Use
717         throughout.
718         (Target_powerpc::is_branch_reloc): New function.
719         (Powerpc_relocate_functions): Add Address typedef, use throughout.
720         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
721         for dst_mask, value and addend.
722         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
723         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
724         (Output_data_glink::do_write): Correct toc base.  Don't try to use
725         uint16_t for 24-bit offset.  Use get_output_section_offset and
726         check return.
727         (Target_powerpc::Scan::local): Handle more relocs.
728         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
729         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
730         Plug in toc restoring insn after plt calls.  Translate branches
731         to function descriptor symbols to corresponding entry point.
732         (Target_powerpc::relocate_for_relocatable): Check return from
733         get_output_section_offset.
734         * symtab.h: Comment typo.
735
736 2012-08-14  Ian Lance Taylor  <iant@google.com>
737
738         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
739         unsupported_relocal_local to call unsupported_reloc_global.
740
741 2012-08-14  Nick Clifton  <nickc@redhat.com>
742
743         PR ld/14265
744         * script-sections.cc (Sections_element::output_section_name): Add
745         keep return parameter.
746         (Output_section_element::match_name): Add keep return parameter.
747         Return the value of the keep_ member.
748         * script-sections.h (class Output_section): Update
749         output_section_name prototype.
750         * layout.cc (Layout::keep_input_section): New public member
751         function.
752         (Layout::choose_output_section): Pass keep parameter to
753         output_section_name.
754         * layout.h (class Layout): Add keep_input_section.
755         * object.cc (Sized_relobj_file::do_layout): Check for kept input
756         sections.
757         * testsuite/Makefile.am: Add a test.
758         * testsuite/Makefile.in: Regenerate.
759         * testsuite/pr14265.c: Source file for the test.
760         * testsuite/pr14265.t: Linker script for the test.
761         * testsuite/pr14265.sh: Shell script for the test.
762
763 2012-08-14  Alan Modra  <amodra@gmail.com>
764
765         * target.h (Target::output_section_name): New function.
766         (Target::do_output_section_name): New function.
767         * layout.cc (Layout::choose_output_section): Call the above.
768         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
769
770 2012-08-14  Alan Modra  <amodra@gmail.com>
771
772         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
773         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
774         for replace_constant call.
775         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
776         (Output_data_glink::do_print_to_mapfile): New function.
777         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
778         (Target_powerpc::Relocate::relocate): Likewise.
779
780 2012-08-14  Alan Modra  <amodra@gmail.com>
781
782         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
783         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
784         (Output_data_glink::add_entry,find_entry): Remove shndx param.
785         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
786         all references to shndx_.  Handle special case for R_PPC_PLTREL24
787         here.
788         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
789         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
790         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
791         here.
792         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
793         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
794
795 2012-08-12  Alan Modra  <amodra@gmail.com>
796
797         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
798         (glink insn constants): Use uint32_t.
799         (Output_data_glink::add_entry): Use insert, not [] operator.
800
801 2012-08-11  Alan Modra  <amodra@gmail.com>
802
803         * object.h (Sized_relobj_file::find_shdr): New function.
804         (Sized_relobj_file::find_special_sections): New function.
805         * object.cc (Sized_relobj_file::find_shdr): New function.
806         (Sized_relobj_file::find_eh_frame): Use find_shdr.
807         (Sized_relobj_file::find_special_sections): New function, split out..
808         (Sized_relobj_file::do_read_symbols): ..from here.
809         * output.h (Output_data_got::replace_constant): New function.
810         (Output_data_got::num_entries): New function.
811         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
812         (Output_data_got::got_offset): Protected rather than private.
813         (Output_data_got::replace_got_entry): New function.
814         * output.cc (Output_data_got::replace_got_entry): New function.
815         * powerpc.cc (class Powerpc_relobj): New.
816         (class Powerpc_relocate_functions): Delete all psymval variants or
817         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
818         Implement _ha functions using corresponding _hi function.
819         (Powerpc_relobj::find_special_sections): New function.
820         (Target_powerpc::do_make_elf_object): New function.
821         (class Output_data_got_powerpc): New.
822         (class Output_data_glink): New.
823         (class Powerpc_scan_relocatable_reloc): New.
824         Many more changes througout file.
825
826 2012-08-09  Nick Clifton  <nickc@redhat.com>
827
828         * po/vi.po: Updated Vietnamese translation.
829
830 2012-08-07  Ian Lance Taylor  <iant@google.com>
831
832         * layout.cc (Layout::add_target_dynamic_tags): If
833         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
834         plt_rel.
835
836 2012-07-30  Nick Clifton  <nickc@redhat.com>
837
838         * po/gold.pot: Updated template.
839         * po/es.po: Updated Spanish translation.
840
841 2012-07-18  Cary Coutant  <ccoutant@google.com>
842
843         PR gold/14344
844         * configure.ac: Add check for -gpubnames support.
845         * configure: Regenerate.
846         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
847         support; force -gno-pubnames.
848         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
849         support.
850         (gdb_index_test_4): New test.
851         * testsuite/Makefile.in: Regenerate.
852         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
853         * testsuite/gdb_index_test_2.sh: Likewise.
854         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
855         * testsuite/gdb_index_test_4.sh: New script.
856         * testsuite/gdb_index_test_comm.sh: New script with common code;
857         don't look for space after colon.
858
859 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
860
861         * gold.cc (queue_middle_tasks): Update function order only after
862         deferred objects due to plugins are processed.
863
864 2012-07-11  Ian Lance Taylor  <iant@google.com>
865
866         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
867         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
868         (Target_arm::scan_reloc_for_stub): Likewise.
869         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
870         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
871         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
872         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
873         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
874
875 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
876             Ian Lance Taylor  <iant@google.com>
877
878         PR gold/14309
879         * configure.ac: Test whether std::tr1::hash<off_t> works.
880         * gold.h: Add a specialization for std::tr1::hash<off_t> if
881         needed.
882         * output.h (class Output_fill): Add virtual destructor.
883         * configure, config.in: Rebuild.
884
885 2012-06-22  Roland McGrath  <mcgrathr@google.com>
886
887         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
888
889 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
890
891         * plugin.cc (Plugin::load): Handle position independent executables.
892
893 2012-06-06  Cary Coutant  <ccoutant@google.com>
894
895         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
896         add .debug_macro.
897         (lines_only_debug_sections): Likewise.
898         (gdb_fast_lookup_sections): New static array.
899         (is_gdb_debug_section): Rename formal parameter.
900         (is_lines_only_debug_section): Likewise.
901         (is_gdb_fast_lookup_section): New function.
902         (Layout::include_section): Check for ".zdebug_" prefix; pass
903         section name suffix to is_gdb_debug_section, et al.; check for
904         fast-lookup sections when building .gdb_index.
905         * options.h (--strip-debug-gdb): Update GDB version number.
906
907 2012-06-06  Cary Coutant  <ccoutant@google.com>
908
909         * configure.ac: Add check for fallocate.
910         * configure: Regenerate.
911         * config.in: Regenerate.
912
913         * options.h (class General_options): Add --mmap-output-file and
914         --posix-fallocate options.
915         * output.cc: (posix_fallocate): Remove; replace with...
916         (gold_fallocate): New function.
917         (Output_file::map_no_anonymous): Call gold_fallocate.
918         (Output_file::map): Check --mmap-output-file option.
919
920 2012-06-05  Jing Yu  <jingyu@google.com>
921
922         * gold.h (textdomain): Add do {} to empty while(0).
923         (bindtextdomain): Likewise.
924
925 2012-06-04  Cary Coutant  <ccoutant@google.com>
926
927         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
928         has_dynsym_index.
929
930 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
931
932         * symtab.cc (Symbol_table::define_special_symbol):
933         Initialize *poldsym to prevent uninitialized variable errors.
934
935 2012-05-23  Cary Coutant  <ccoutant@google.com>
936
937         * layout.cc (Layout::section_name_mapping): Add rules to handle
938         exact match on .data.rel.ro.local or .data.rel.ro.
939         (Layout::output_section_name): Check for exact matches.
940
941 2012-05-23  Cary Coutant  <ccoutant@google.com>
942
943         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
944         more carefully.
945
946 2012-05-22  Cary Coutant  <ccoutant@google.com>
947
948         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
949         object before exporting symbol.
950
951 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
952
953         * testsuite/tls_test.cc: Include "config.h" first.
954         * testsuite/tls_test_c.c: Likewise.
955
956 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
957             Nick Clifton  <nickc@redhat.com>
958
959         PR 14072
960         * configure.in: Add check that sysdep.h has been included before
961         any system header files.
962         * configure: Regenerate.
963         * config.in: Regenerate.
964
965 2012-05-14  Cary Coutant  <ccoutant@google.com>
966
967         * layout.cc (Layout::make_output_section): Mark .tdata section
968         as RELRO.
969         * testsuite/relro_test.cc: Add a TLS variable.
970
971 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
972
973         PR gold/14091
974         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
975         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
976         R_X86_64_64.
977
978 2012-05-08  Cary Coutant  <ccoutant@google.com>
979
980         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
981         (lines_only_debug_sections): Likewise.
982
983 2012-05-02  Roland McGrath  <mcgrathr@google.com>
984
985         * nacl.cc: New file.
986         * nacl.h: New file.
987         * Makefile.am (CCFILES, HFILES): Add them.
988         * Makefile.in: Regenerate.
989         * i386.cc (Output_data_plt_i386_nacl): New class.
990         (Output_data_plt_i386_nacl_exec): New class.
991         (Output_data_plt_i386_nacl_dyn): New class.
992         (Target_i386_nacl): New class.
993         (Target_selector_i386_nacl): New class.
994         (target_selector_i386): Use it instead of Target_selector_i386.
995         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
996         (Target_x86_64_nacl): New class.
997         (Target_selector_x86_64_nacl): New class.
998         (target_selector_x86_64, target_selector_x32): Use it instead of
999         Target_selector_x86_64.
1000         * arm.cc (Output_data_plt_arm_nacl): New class.
1001         (Target_arm_nacl): New class.
1002         (Target_selector_arm_nacl): New class.
1003         (target_selector_arm, target_selector_armbe): Use it instead of
1004         Target_selector_arm.
1005
1006         * target-select.cc (select_target): Take new Input_file* and off_t
1007         arguments, pass them on to recognize method of selector.
1008         * object.cc (make_elf_sized_object): Update caller.
1009         * parameters.cc (parameters_force_valid_target): Likewise.
1010         * incremental.cc (make_sized_incremental_binary): Likewise.
1011         * target-select.h: Update decl.
1012         (Target_selector::recognize): Take new Input_file* argument,
1013         pass it on to do_recognize.
1014         (Target_selector::do_recognize): Take new Input_file* argument.
1015         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1016         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1017         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1018         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1019
1020         * target.h (Target::Target_info): New members isolate_execinstr
1021         and rosegment_gap.
1022         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1023         * arm.cc (Target_arm::arm_info): Update initializer.
1024         * i386.cc (Target_i386::i386_info): Likewise.
1025         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1026         * sparc.cc (Target_sparc::sparc_info): Likewise.
1027         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1028         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1029         * layout.cc (Layout::attach_allocated_section_to_segment):
1030         Take new const Target* argument.  If target->isolate_execinstr(), act
1031         like --rosegment.
1032         (Layout::find_first_load_seg): Take new const Target* argument;
1033         if target->isolate_execinstr(), reject PF_X segments.
1034         (Layout::relaxation_loop_body): Update caller.
1035         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1036         reset file offset to zero when we hit LOAD_SEG, and then do a second
1037         loop over the segments before LOAD_SEG to reassign offsets after
1038         addresses have been determined.  Handle target->rosegment_gap().
1039         (Layout::attach_section_to_segment): Take new const Target* argument;
1040         pass it to attach_allocated_section_to_segment.
1041         (Layout::make_output_section): Update caller.
1042         (Layout::attach_sections_to_segments): Take new const Target* argument;
1043         pass it to attach_section_to_segment.
1044         * gold.cc (queue_middle_tasks): Update caller.
1045         * layout.h (Layout): Update method decls with new arguments.
1046
1047         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1048         Target_info pointer to use.
1049         (Target_arm::do_make_data_plt): New virtual method.
1050         (Target_arm::make_data_plt): New method that calls it.
1051         (Target_arm::make_plt_entry): Use it.
1052         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1053         for the section alignment.
1054         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1055         method.
1056         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1057         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1058         method.
1059         (Output_data_plt_arm::get_plt_entry_size): Call it.
1060         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1061         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1062         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1063         method.
1064         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1065         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1066         method instead of sizeof(plt_entry).
1067         (Output_data_plt_arm::add_entry): Likewise.
1068         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1069         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1070         than static method.
1071         (Target_arm::plt_entry_size): Likewise.
1072         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1073         Move to ...
1074         (Output_data_plt_arm_standard): ... here, new class.
1075         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1076         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1077         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1078
1079         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1080         Take additional argument for the PLT entry size.
1081         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1082         Use get_plt_entry_size method rather than plt_entry_size variable.
1083         (Output_data_plt_x86_64::reserve_slot): Likewise.
1084         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1085         (Output_data_plt_x86_64::add_entry): Likewise.
1086         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1087         (Output_data_plt_x86_64::address_for_global): Likewise.
1088         (Output_data_plt_x86_64::address_for_local): Likewise.
1089         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1090         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1091         Make method non-static.
1092         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1093         method.
1094         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1095         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1096         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1097         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1098         virtual method.
1099         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1100         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1101         virtual method.
1102         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1103         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1104         virtual method.
1105         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1106         (Output_data_plt_x86_64::plt_entry_size)
1107         (Output_data_plt_x86_64::first_plt_entry)
1108         (Output_data_plt_x86_64::plt_entry)
1109         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1110         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1111         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1112         (Output_data_plt_x86_64_standard): ... here, new class.
1113         (Target_x86_64::Target_x86_64): Take optional argument for the
1114         Target_info pointer to use.
1115         (Target_x86_64::do_make_data_plt): New virtual method.
1116         (Target_x86_64::make_data_plt): New method to call it.
1117         (Target_x86_64::init_got_plt_for_update): Use that.
1118         Call this->plt_->add_eh_frame method here.
1119         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1120         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1121         rather than static method.
1122         (Target_x86_64::plt_entry_size): Likewise.
1123         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1124         rather than plt_entry_size variable.  Move guts of PLT filling to...
1125         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1126         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1127         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1128
1129         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1130         additional argument for the section alignment.
1131         Don't do add_eh_frame_for_plt here.
1132         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1133         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1134         variable.
1135         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1136         method.
1137         (Output_data_plt_i386::get_plt_entry_size): Call it.
1138         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1139         (Output_data_plt_i386::add_eh_frame): New method to call it.
1140         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1141         method.
1142         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1143         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1144         method.
1145         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1146         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1147         method instead of plt_entry_size.
1148         (Output_data_plt_i386::plt_entry_size)
1149         (Output_data_plt_i386::plt_eh_frame_fde_size)
1150         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1151         (Output_data_plt_i386_standard): ... here, new class.
1152         (Output_data_plt_i386_exec): New class.
1153         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1154         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1155         (Output_data_plt_i386::exec_plt_entry): Move to ...
1156         (Output_data_plt_i386_exec::plt_entry): ... here.
1157         (Output_data_plt_i386_dyn): New class.
1158         (Output_data_plt_i386::first_plt_entry): Move to ...
1159         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1160         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1161         (Output_data_plt_i386_dyn::plt_entry): ... here.
1162         (Target_i386::Target_i386): Take optional argument for the Target_info
1163         pointer to use.
1164         (Target_i386::do_make_data_plt): New virtual method.
1165         (Target_i386::make_data_plt): New method to call it.
1166         (Target_i386::make_plt_section): Use that.
1167         Call this->plt_->add_eh_frame method here.
1168         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1169         rather than plt_entry_size variable.
1170         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1171         (Output_data_plt_i386::address_for_local): Likewise.
1172         (Output_data_plt_i386::do_write): Likewise.
1173         Move guts of PLT filling to...
1174         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1175         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1176         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1177         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1178
1179 2012-05-01  Cary Coutant  <ccoutant@google.com>
1180
1181         * dwarf_reader.cc (Dwarf_die::read_attributes)
1182         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1183         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1184         * reduced_debug_output.cc
1185         (Output_reduced_debug_info_section::get_die_end): Remove
1186         DW_FORM_GNU_ref_index.  Add default case.
1187
1188 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1189
1190         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1191         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1192         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1193         DW_AT_high_pc as offset from DW_AT_low_pc.
1194
1195         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1196         * testsuite/Makefile.in: Regenerate.
1197         * testsuite/gdb_index_test_3.c: New test source file.
1198         * testsuite/gdb_index_test_3.sh: New test source file.
1199
1200 2012-04-25  Ian Lance Taylor  <iant@google.com>
1201
1202         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1203         pointer.
1204         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1205         as a class, not a struct.
1206         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1207         (Target_arm::apply_cortex_a8_workaround): Likewise.
1208         * gc.h: Declare Reloc_types as a struct, not a class.
1209         * object.h: Declare Symbols_data as a struct.
1210         * reloc.h: Declare Read_relocs_data as a struct.
1211         * target.h: Declare Relocate_info as a struct.
1212
1213 2012-04-24  David S. Miller  <davem@davemloft.net>
1214
1215         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1216         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1217         and R_SPARC_WPLT30.
1218
1219 2012-04-24  Cary Coutant  <ccoutant@google.com>
1220
1221         * incremental-dump.cc (find_input_containing_global): Replace
1222         magic number with symbolic constant.
1223         (dump_incremental_inputs): Update version number.
1224         * incremental.cc (Output_section_incremental_inputs): Update version
1225         number; import symbolic constants from Incremental_inputs_reader.
1226         (Incremental_inputs::create_data_sections): Align relocations
1227         section correctly for 64-bit targets.
1228         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1229         constants; add padding.
1230         (Output_section_incremental_inputs::write_header): Add assert for
1231         header_size.
1232         (Output_section_incremental_inputs::write_input_files): Add assert
1233         for input_entry_size.
1234         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1235         add assert for object_info_size, input_section_entry_size,
1236         global_sym_entry_size.
1237         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1238         for data structure sizes; use them.
1239         (Incremental_input_entry_reader): Import symbolic constants from
1240         Incremental_inputs_reader; use them.
1241
1242 2012-04-23  David S. Miller  <davem@davemloft.net>
1243
1244         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1245         and elf_flags_set_.
1246         (Target_sparc::Target_sparc): Initialize new fields.
1247         (Target_sparc::do_make_elf_object): New function.
1248         (Target_sparc::do_adjust_elf_header): New function.
1249
1250 2012-04-23  Cary Coutant  <ccoutant@google.com>
1251
1252         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1253         CU range table of gdb index.
1254
1255 2012-04-20  David S. Miller  <davem@davemloft.net>
1256
1257         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1258         instead of false.
1259
1260 2012-04-16  David S. Miller  <davem@davemloft.net>
1261
1262         * sparc.cc (Target_sparc::got_address): New function.
1263         (Sparc_relocate_functions::gdop_hix22): New function.
1264         (Sparc_relocate_functions::gdop_lox10): New function.
1265         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1266         relocs.
1267         (Target_sparc::Scan::local): Likewise if the global symbol is not
1268         preemptible and is not IFUNC.
1269         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1270         transformations for local and non-preemptible non-IFUNC global
1271         symbols.
1272
1273         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1274         writing out 64-bit part of ranges.
1275
1276         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1277         -fpic and -fpie respectively.
1278         * Makefile.in: Regenerate.
1279
1280         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1281         (Target_sparc::Target_sparc): Initialize new field.
1282         (Target_sparc::do_plt_section_for_global): New function.
1283         (Target_sparc::do_plt_section_for_local): New function.
1284         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1285         (Target_sparc::make_plt_section): New function, broken out of
1286         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1287         (Target_sparc::make_plt_entry): Call make_plt_section.
1288         (Target_sparc::make_local_ifunc_plt_entry): New function.
1289         (Target_sparc::rela_ifunc_section): New function.
1290         (Target_sparc::plt_section): Remove const.
1291         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1292         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1293         and ifunc_count_ fields.
1294         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1295         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1296         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1297         (Output_data_plt_sparc::rela_ifunc): New function.
1298         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1299         (Output_data_plt_sparc::has_ifunc_section): New function.
1300         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1301         (Output_data_plt_sparc::address_for_global): New function.
1302         (Output_data_plt_sparc::address_for_local): New function.
1303         (Output_data_plt_sparc::plt_index_to_offset): New function.
1304         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1305         and entry_count.
1306         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1307         entry_count.
1308         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1309         R_SPARC_JMP_IREL to switch.
1310         (Target_sparc::Scan::check_non_pic): Likewise.
1311         (Target_sparc::Scan::local): Handle IFUNC symbols.
1312         (Target_sparc::Scan::local): Likewise.
1313         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1314         and plt_address_for_local.
1315         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1316         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1317
1318         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1319         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1320         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1321         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1322         global relocs too.
1323         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1324         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1325         calls.
1326         * sparc.cc (Target_sparc::Scan::global): Likewise.
1327         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1328
1329 2012-04-16  Cary Coutant  <ccoutant@google.com>
1330
1331         * archive.cc (Library_base::should_include_member): Check for
1332         --export-dynamic-symbol.
1333         * options.h (class General_options): Add --export-dynamic-symbol.
1334         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1335         --export-dynamic-symbol.
1336         (Symbol_table::gc_mark_undef_symbols): Likewise.
1337         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1338
1339 2012-04-12  David S. Miller  <davem@davemloft.net>
1340
1341         * sparc.cc (Reloc::wdisp10): New relocation method.
1342         (Reloc::h34): Likewise.
1343         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1344         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1345         R_SPARC_WDISP10.
1346         (Target_sparc::Scan::local): Likewise.
1347         (Target_sparc::Scan::global): Likewise.
1348         (Target_sparc::Relocate::relocate): Likewise.
1349
1350 2012-04-09  Cary Coutant  <ccoutant@google.com>
1351
1352         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1353         low_pc == 0.
1354
1355 2012-04-06  Ian Lance Taylor  <iant@google.com>
1356
1357         * timer.cc: #include <unistd.h>.
1358
1359 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1360
1361         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1362         * config.in: Regenerate.
1363         * configure: Regenerate.
1364
1365 2012-04-05  Nick Clifton  <nickc@redhat.com>
1366
1367         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1368         (AM_LC_MESSAGES): Add.
1369         * aclocal.m4: Regenerate.
1370         * config.in: Regenerate.
1371         * configure: Regenerate.
1372
1373 2012-03-21  Cary Coutant  <ccoutant@google.com>
1374
1375         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1376         * Makefile.in: Regenerate.
1377         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1378         (Sized_elf_reloc_mapper::symbol_section): New function.
1379         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1380         (make_elf_reloc_mapper): New function.
1381         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1382         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1383         (Dwarf_abbrev_table::do_get_abbrev): New function.
1384         (Dwarf_ranges_table::read_ranges_table): New function.
1385         (Dwarf_ranges_table::read_range_list): New function.
1386         (Dwarf_pubnames_table::read_section): New function.
1387         (Dwarf_pubnames_table::read_header): New function.
1388         (Dwarf_pubnames_table::next_name): New function.
1389         (Dwarf_die::Dwarf_die): New function.
1390         (Dwarf_die::read_attributes): New function.
1391         (Dwarf_die::skip_attributes): New function.
1392         (Dwarf_die::set_name): New function.
1393         (Dwarf_die::set_linkage_name): New function.
1394         (Dwarf_die::attribute): New function.
1395         (Dwarf_die::string_attribute): New function.
1396         (Dwarf_die::int_attribute): New function.
1397         (Dwarf_die::uint_attribute): New function.
1398         (Dwarf_die::ref_attribute): New function.
1399         (Dwarf_die::child_offset): New function.
1400         (Dwarf_die::sibling_offset): New function.
1401         (Dwarf_info_reader::check_buffer): New function.
1402         (Dwarf_info_reader::parse): New function.
1403         (Dwarf_info_reader::do_parse): New function.
1404         (Dwarf_info_reader::do_read_string_table): New function.
1405         (Dwarf_info_reader::lookup_reloc): New function.
1406         (Dwarf_info_reader::get_string): New function.
1407         (Dwarf_info_reader::visit_compilation_unit): New function.
1408         (Dwarf_info_reader::visit_type_unit): New function.
1409         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1410         Sized_elf_reloc_mapper.
1411         (Sized_dwarf_line_info::symbol_section): Remove function.
1412         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1413         (Sized_dwarf_line_info::read_line_mappings): Remove object
1414         parameter, adjust callers.
1415         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1416         * dwarf_reader.h: Include <sys/types.h>.
1417         (class Track_relocs): Remove forward declaration.
1418         (class Elf_reloc_mapper): New class.
1419         (class Sized_elf_reloc_mapper): New class.
1420         (class Dwarf_abbrev_table): New class.
1421         (class Dwarf_range_list): New class.
1422         (class Dwarf_ranges_table): New class.
1423         (class Dwarf_pubnames_table): New class.
1424         (class Dwarf_die): New class.
1425         (class Dwarf_info_reader): New class.
1426         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1427         (Sized_dwarf_line_info::symbol_section): Remove member function.
1428         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1429         base class.
1430         * gdb-index.cc: New source file.
1431         * gdb-index.h: New source file.
1432         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1433         and .debug_types sections, call Layout::add_to_gdb_index.
1434         (Sized_relobj_incr::do_section_name): Implement.
1435         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1436         return type; Implement.
1437         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1438         return type.
1439         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1440         parameter list and return type.
1441         (Sized_incr_dynobj::do_section_contents): Likewise.
1442         * layout.cc: Include gdb-index.h.
1443         (Layout::Layout): Initialize gdb_index_data_.
1444         (Layout::init_fixed_output_section): Check for .gdb_index section.
1445         (Layout::add_to_gdb_index): New function. Instantiate.
1446         * layout.h: Add forward declaration for class Gdb_index.
1447         (Layout::add_to_gdb_index): New member function.
1448         (Layout::gdb_index_data_): New data member.
1449         * main.cc: Include gdb-index.h.
1450         (main): Print statistics for gdb index.
1451         * object.cc (Object::section_contents): Move code into
1452         do_section_contents.
1453         (need_decompressed_section): Check for sections needed when building
1454         gdb index.
1455         (build_compressed_section_map): Likewise.
1456         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1457         gdb index.
1458         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1459         sections; call Layout::add_to_gdb_index.
1460         (Sized_relobj_file::do_decompressed_section_contents): Call
1461         do_section_contents directly.
1462         * object.h (Object::do_section_contents): Adjust parameter list and
1463         return type.
1464         (Object::do_decompressed_section_contents): Call do_section_contents
1465         directly.
1466         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1467         return type.
1468         * options.h (class General_options): Add --gdb-index option.
1469         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1470         list and return type.
1471         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1472         * reloc.h (Track_relocs::checkpoint): New function.
1473         (Track_relocs::reset): New function.
1474
1475         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1476         New test cases.
1477         * testsuite/Makefile.in: Regenerate.
1478         * testsuite/gdb_index_test.cc: New test source file.
1479         * testsuite/gdb_index_test_1.sh: New test source file.
1480         * testsuite/gdb_index_test_2.sh: New test source file.
1481
1482 2012-03-19  Doug Kwan  <dougkwan@google.com>
1483
1484         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1485         (Target_arm::do_finalize_sections): Remove code which defines
1486         __exidx_start and __exidx_end.  Make symbol table parameter
1487         anonymous as it is not used.
1488         * gold.cc (queue_middle_tasks): Call target hook to define any
1489         target-specific symbols.
1490         * target.h (Target::define_standard_symbols): New method.
1491         (Target::do_define_standard_symbols): Same.
1492         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1493         * testsuite/Makefile.in: Regenerate.
1494         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1495         and __exidx_end.
1496         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1497         relocations are generated for __exidx_start and __exidx_end.
1498
1499 2012-03-16  Doug Kwan  <dougkwan@google.com>
1500
1501         * testsuite/Makefile.am: Disable test initpri3b.
1502         * testsuite/Makefile.in: Regenerate.
1503
1504 2012-03-15  Doug Kwan  <dougkwan@google.com>
1505
1506         * arm.cc (Target_arm::got_section): Make .got section read-only
1507         if -z now is given.
1508
1509 2012-03-15  Ian Lance Taylor  <iant@google.com>
1510
1511         PR gold/13850
1512         * layout.cc (Layout::make_output_section): Correctly mark
1513         SHT_INIT_ARRAY, et. al., as relro.
1514
1515 2012-03-14  Doug Kwan  <dougkwan@google.com>
1516
1517         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1518         dynamic relocations for protected symbols in shared objects.
1519
1520 2012-03-13  Ian Lance Taylor  <iant@google.com>
1521
1522         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1523         keep the larger alignment.
1524
1525 2012-03-12  Cary Coutant  <ccoutant@google.com>
1526
1527         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1528         handling of DW_LNE_define_file.
1529
1530 2012-03-12  Cary Coutant  <ccoutant@google.com>
1531
1532         * reduced_debug_output.cc
1533         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1534         codes to switch.
1535
1536 2012-02-29  Cary Coutant  <ccoutant@google.com>
1537
1538         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1539
1540 2012-02-29  Cary Coutant  <ccoutant@google.com>
1541
1542         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1543         Call Object::decompressed_section_contents.
1544         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1545         New dtor.
1546         (Sized_dwarf_line_info::buffer_start_): New data member.
1547         * merge.cc (Output_merge_data::do_add_input_section): Call
1548         Object::decompressed_section_contents.
1549         (Output_merge_string::do_add_input_section): Likewise.
1550         * object.cc (need_decompressed_section): New function.
1551         (build_compressed_section_map): Decompress sections needed later.
1552         (Sized_relobj_file::do_decompressed_section_contents): New function.
1553         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1554         * object.h (Object::decompressed_section_contents): New function.
1555         (Object::discard_decompressed_sections): New function.
1556         (Object::do_decompressed_section_contents): New function.
1557         (Object::do_discard_decompressed_sections): New function.
1558         (Compressed_section_info): New type.
1559         (Compressed_section_map): Include decompressed section contents.
1560         (Sized_relobj_file::do_decompressed_section_contents): New function.
1561         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1562
1563 2012-02-16  Cary Coutant  <ccoutant@google.com>
1564
1565         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1566         * testsuite/Makefile.in: Regenerate.
1567
1568 2012-02-14  Cary Coutant  <ccoutant@google.com>
1569
1570         * options.cc (General_options::finalize): Disallow -pie and -static.
1571
1572 2012-02-03  Doug Kwan  <dougkwan@google.com>
1573
1574         * arm.cc (Arm_relocate_functions::abs8,
1575         Arm_relocate_functions::abs16): Use
1576         Bits::has_signed_unsigned_overflow32.
1577         (Arm_relocate_functions::thm_abs8): Correct range of
1578         overflow check.
1579         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1580         in assertions.
1581
1582 2012-02-02  Doug Kwan  <dougkwan@google.com>
1583
1584         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1585         position independent outputs, not just shared objects.
1586
1587 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1588
1589         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1590         * configure: Regenerated.
1591
1592 2012-01-27  Ian Lance Taylor  <iant@google.com>
1593
1594         * reloc.h (Bits): New class with static functions, copied from
1595         namespace utils in arm.cc.
1596         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1597         instead.
1598
1599 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1600
1601         * incremental.cc (write_info_blocks): Correct relocation offset.
1602
1603 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1604
1605         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1606         (Relocate::tls_gd_to_le): Likewise.
1607
1608 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1609
1610         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1611
1612 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1613
1614         * configure.ac: Check if -mcmodel=medium works.
1615         * configure: Regenerated.
1616
1617 2012-01-24  Cary Coutant  <ccoutant@google.com>
1618
1619         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1620         definition and ...
1621         (read_unsigned_LEB_128_x): ... this new function.
1622         (read_signed_LEB_128): Replaced with inline definition and ...
1623         (read_signed_LEB_128_x): ... this new function.
1624         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1625         (read_unsigned_LEB_128): Add inline definition.
1626         (read_signed_LEB_128_x): New function.
1627         (read_signed_LEB_128): Add inline definition.
1628         * testsuite/Makefile.am (leb128_unittest): New unit test.
1629         * testsuite/Makefile.in: Regenerate.
1630         * testsuite/leb128_unittest.cc: New unit test.
1631
1632 2012-01-23  Ian Lance Taylor  <iant@google.com>
1633
1634         PR gold/13617
1635         * i386.cc (Target_i386::do_code_fill): When using a jmp
1636         instruction, pad with nop instructions.
1637         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1638
1639 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1640
1641         * x86_64.cc (gc_process_relocs): Add typename on types used in
1642         template.
1643         (scan_relocs): Likewise.
1644         (relocate_section): Likewise.
1645         (apply_relocation): Likewise.
1646
1647 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1648
1649         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1650         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1651         under x32.
1652
1653 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1654
1655         * x86_64.cc: Initial support for x32.
1656
1657 2012-01-03  Cary Coutant  <ccoutant@google.com>
1658
1659         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1660         Use abstract base class for GOT.
1661         * gold/output.h (class Output_data_got_base): New abstract base class.
1662         (class Output_data_got): Derive from new base class, adjust ctors.
1663         (Output_data_got::reserve_slot): Make virtual; rename to
1664         do_reserve_slot; Adjust callers.
1665         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1666         pointer to abstract base class.
1667         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1668
1669 2011-12-18  Ian Lance Taylor  <iant@google.com>
1670
1671         * object.h (Relobj::local_symbol_value): New function.
1672         (Relobj::local_plt_offset): New function.
1673         (Relobj::local_has_got_offset): New function.
1674         (Relobj::local_got_offset): New function.
1675         (Relobj::set_local_got_offset): New function.
1676         (Relobj::do_local_symbol_value): New pure virtual function.
1677         (Relobj::do_local_plt_offset): Likewise.
1678         (Relobj::do_local_has_got_offset): Likewise.
1679         (Relobj::do_local_got_offset): Likewise.
1680         (Relobj::do_set_local_got_offset): Likewise.
1681         (Sized_relobj::do_local_has_got_offset): Rename from
1682         local_has_got_offset.
1683         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1684         (Sized_relobj::do_set_local_got_offset): Rename from
1685         set_local_got_offset.
1686         (Sized_relobj_file::do_local_plt_offset): Rename from
1687         local_plt_offset.
1688         (Sized_relobj_file::do_local_symbol_value): New function.
1689         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1690         local_plt_offset.
1691         * output.cc (Output_data_got::Got_entry::write): Change object to
1692         Relobj.  Use local_symbol_value.
1693         (Output_data_got::add_global_with_rel): Change rel_dyn to
1694         Output_data_reloc_generic*.  Use add_global_generic.
1695         (Output_data_got::add_global_with_rela): Remove.  Change all
1696         callers to use add_global_with_rel.
1697         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1698         Output_data_reloc_generic*.  Use add_global_generic.
1699         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1700         callers to use add_global_pair_with_rel.
1701         (Output_data_got::add_local): Change object to Relobj*.
1702         (Output_data_got::add_local_plt): Likewise.
1703         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1704         change rel_dyn to Output_data_reloc_generic*.  Use
1705         add_local_generic.
1706         (Output_data_got::add_local_with_rela): Remove.  Change all
1707         callers to use all_local_with_rel.
1708         (Output_data_got::add_local_pair_with_rel): Change object to
1709         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1710         add_output_section_generic.
1711         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1712         callers to use add_local_pair_with_rel.
1713         (Output_data_got::reserve_local): Change object to Relobj*.
1714         * output.h: (class Output_data_reloc_generic): Add pure virtual
1715         declarations for add_global_generic, add_local_generic,
1716         add_output_section_generic.
1717         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1718         functions for Output_data_reloc_generic.  Update declarations for
1719         changes listed in output.cc.
1720         (class Output_data_got): Change template parameter to got_size.
1721         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1722         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1723         function.
1724         (Sized_relobj_incr::do_local_plt_offset): New function.
1725         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1726         add_global_generic.
1727
1728 2011-12-17  Cary Coutant  <ccoutant@google.com>
1729
1730         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1731         * resolve.cc (Symbol_table::resolve): Likewise.
1732         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1733         arrays.
1734         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1735
1736 2011-12-16  Ian Lance Taylor  <iant@google.com>
1737
1738         * output.h (Output_data_reloc_generic::add): Only call
1739         add_dynamic_reloc if this is a dynamic reloc section.
1740
1741 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1742
1743         PR gold/13505
1744         * target-reloc.h (apply_relocation): Replace <64, false> with
1745         <size, big_endian>.
1746
1747 2011-11-25  Nick Clifton  <nickc@redhat.com>
1748
1749         * po/it.po: New Italian translation.
1750
1751 2011-11-17  Sterling Augustine  <saugustine@google.com>
1752
1753         * script.cc (script_include_directive): Implement.
1754         (read_script_file): New local variables name and search_path. Update
1755         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1756         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1757         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1758
1759 2011-11-11  Sterling Augustine  <saugustine@google.com>
1760
1761         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1762         (file_or_sections_cmd): Likewise.
1763
1764 2011-11-11  Doug Kwan  <dougkwan@google.com>
1765
1766         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1767         if --just-symbols is given.
1768
1769 2011-11-10  Doug Kwan  <dougkwan@google.com>
1770
1771         PR gold/13362
1772         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1773         when processing data relocs.
1774         * reloc.h (Relocate_functions::rel_unaligned): New method.
1775         (Relocate_functions::pcrel_unaligned): Ditto.
1776         (Relocate_functions::rel32_unaligned): Ditto.
1777         (Relocate_functions::pcrel32_unaligned): Ditto.
1778
1779 2011-11-09  Doug Kwan  <dougkwan@google.com>
1780
1781         PR gold/13362
1782         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1783         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1784         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1785         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1786         (Relocate_functions::rel_unaligned): New.
1787         (Relocate_functions::rel32_unaligned): New.
1788         * target-reloc.h (relocate_for_relocatable): Add code to handle
1789         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1790         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1791         arm_unaligned_reloc_r): New targets.
1792         * testsuite/Makefile.in: Regenerate.
1793         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1794         linking.
1795
1796 2011-11-02  Ian Lance Taylor  <iant@google.com>
1797
1798         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1799         NATIVE_LINKER.
1800         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1801         * options.cc (General_options::finalize): Use library search path
1802         from configure script if specified.  If not native and no sysroot,
1803         only search TOOLLIBDIR.
1804         * options.h (Search_directory::Search_directory): Change name to
1805         const std::string&.
1806         (General_options::add_to_library_path_with_sysroot): Change arg to
1807         const std::string&.
1808         * configure, Makefile.in, config.in: Rebuild.
1809
1810 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1811
1812         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1813         we are working around the ARM1176 Erratum.
1814         * options.h (General_options::fix_arm1176): Add option.
1815         * testsuite/Makefile.am: Add testcases, and keep current ones
1816         working.
1817         * testsuite/Makefile.in: Regenerate.
1818         * testsuite/arm_fix_1176.s: New file.
1819         * testsuite/arm_fix_1176.sh: Likewise.
1820
1821 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1822
1823         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1824         may_use_blx_.
1825         (Target_arm::may_use_blx): Remove method.
1826         (Target_arm::set_may_use_blx): Likewise.
1827         (Target_arm::may_use_v4t_interworking): New method.
1828         (Target_arm::may_use_v5t_interworking): Likewise.
1829         (Target_arm::may_use_blx_): Remove member variable.
1830         (Arm_relocate_functions::arm_branch_common): Check for v5T
1831         interworking.
1832         (Arm_relocate_functions::thumb_branch_common): Likewise.
1833         (Reloc_stub::stub_type_for_reloc): Likewise.
1834         (Target_arm::do_finalize_sections): Correct interworking checks.
1835         * testsuite/Makefile.am: Add new tests.
1836         * testsuite/Makefile.in: Regenerate.
1837         * testsuite/arm_farcall_arm_arm.s: New test.
1838         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1839         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1840         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1841         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1842         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1843         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1844         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1845
1846 2011-10-31  Cary Coutant  <ccoutant@google.com>
1847
1848         PR gold/13023
1849         * expression.cc (Expression::eval_with_dot): Add
1850         is_section_dot_assignment parameter.
1851         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1852         absolute and assigning to dot within a section.
1853         * script-sections.cc
1854         (Output_section_element_assignment::set_section_addresses): Pass
1855         dot_section to set_if_absolute.
1856         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1857         as is_section_dot_assignment flag to eval_with_dot.
1858         (Output_section_element_dot_assignment::set_section_addresses):
1859         Likewise.
1860         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1861         parameter.  Also set value if relative to dot_section; set the
1862         symbol's output_section.
1863         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1864         parameter.  Adjust all callers.
1865         (Expression::eval_maybe_dot): Likewise.
1866         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1867         Adjust all callers.
1868         * testsuite/script_test_2.t: Test assignment of an absolute value
1869         to dot within an output section element.
1870
1871 2011-10-31  Cary Coutant  <ccoutant@google.com>
1872
1873         * options.h (class General_options): Add --[no-]gnu-unique options.
1874         * symtab.cc (Symbol_table::sized_write_globals): Convert
1875         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1876
1877 2011-10-31  Cary Coutant  <ccoutant@google.com>
1878
1879         PR gold/13359
1880         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1881         unnecessary assertion.
1882         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1883
1884 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1885
1886         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1887         gc_mark_symbol.
1888         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1889         gc_mark_symbol.
1890         Change to just keep the section associated with symbol.
1891         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1892         they are externally visible and --export-dynamic is turned on.
1893         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1894
1895 2011-10-19  Ian Lance Taylor  <iant@google.com>
1896
1897         PR gold/13163
1898         * script-sections.cc
1899         (Output_section_element_dot_assignment::needs_output_section): New
1900         function.
1901
1902 2011-10-19  Ian Lance Taylor  <iant@google.com>
1903
1904         PR gold/13204
1905         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1906         --section-start option was seen.
1907         * options.h (General_options::any_section_start): New function.
1908
1909 2011-10-18  David S. Miller  <davem@davemloft.net>
1910
1911         PR binutils/13301
1912         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1913         member to track relocation locations that have moved during TLS
1914         reloc optimizations.
1915         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1916         (Target_sparc::Relocate::relocate): Adjust view down by 4
1917         bytes if it matches reloc_adjust_addr_.
1918         (Target_sparc::Relocate::relocate_tls): Always move the
1919         __tls_get_addr call delay slot instruction forward 4 bytes when
1920         performing relaxation.
1921
1922 2011-10-18  Cary Coutant  <ccoutant@google.com>
1923
1924         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1925         (Output_file::map_no_anonymous): Check for non-zero
1926         return code from posix_fallocate.
1927
1928 2011-10-17  Cary Coutant  <ccoutant@google.com>
1929
1930         PR gold/13245
1931         * plugin.cc (is_visible_from_outside): Check for symbols
1932         referenced from dynamic objects.
1933         * resolve.cc (Symbol_table::resolve): Don't count references
1934         from dynamic objects as references from real ELF files.
1935         * testsuite/plugin_test_2.sh: Adjust expected result.
1936
1937 2011-10-17  Cary Coutant  <ccoutant@google.com>
1938
1939         * gold.cc: Include timer.h.
1940         (queue_middle_tasks): Stamp time.
1941         (queue_final_tasks): Likewise.
1942         * main.cc (main): Store timer in parameters.  Print timers
1943         for each pass.
1944         * parameters.cc (Parameters::Parameters): Initialize timer_.
1945         (Parameters::set_timer): New function.
1946         (set_parameters_timer): New function.
1947         * parameters.h (Parameters::set_timer): New function.
1948         (Parameters::timer): New function.
1949         (Parameters::timer_): New data member.
1950         (set_parameters_timer): New function.
1951         * timer.cc (Timer::stamp): New function.
1952         (Timer::get_pass_time): New function.
1953         * timer.h (Timer::stamp): New function.
1954         (Timer::get_pass_time): New function.
1955         (Timer::pass_times_): New data member.
1956
1957 2011-10-17  Cary Coutant  <ccoutant@google.com>
1958
1959         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1960         task for members of lib groups.
1961
1962 2011-10-17  Cary Coutant  <ccoutant@google.com>
1963
1964         PR gold/13288
1965         * fileread.cc (File_read::find_view): Add assert.
1966         (File_read::make_view): Move bounds check (replace with assert)...
1967         (File_read::find_or_make_view): ... to here.
1968
1969 2011-10-12  Cary Coutant  <ccoutant@google.com>
1970
1971         * output.cc (Output_file::open_base_file): Handle case where
1972         ::read returns less than requested size.
1973
1974 2011-10-10  Cary Coutant  <ccoutant@google.com>
1975
1976         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1977         Initialize defined_count_.
1978         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1979         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1980         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1981         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1982         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1983         * incremental.h (Sized_relobj_incr::defined_count_): New data
1984         member.
1985         (Sized_incr_dynobj::defined_count_): New data member.
1986         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1987         Return zeroes instead of internal error.
1988
1989 2011-10-10  Cary Coutant  <ccoutant@google.com>
1990
1991         PR gold/13249
1992         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1993         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1994         * output.h (class Output_reloc): Add use_plt_offset flag.
1995         (Output_reloc::type_): Adjust size of bit field.
1996         (Output_reloc::use_plt_offset_): New bit field.
1997         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1998         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1999         flag.  Adjust all callers.
2000         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2001         creating RELATIVE relocations.
2002
2003 2011-10-10  Nick Clifton  <nickc@redhat.com>
2004
2005         * po/es.po: Updated Spanish translation.
2006         * po/fi.po: Updated Finnish translation.
2007
2008 2011-10-03   Diego Novillo  <dnovillo@google.com>
2009
2010         * options.cc (parse_uint): Fix dereference of RETVAL.
2011
2012 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2013
2014         * layout.h (section_order_map_): New member.
2015         (get_section_order_map): New member function.
2016         * output.cc (Output_section::add_input_section): Check for patterns
2017         only when --section-ordering-file is specified.
2018         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2019         output_sections have been formed.
2020         * layout.cc (Layout_Layout): Initialize section_order_map_.
2021         * plugin.cc (update_section_order): Store order in order_map. Do not
2022         update the order.
2023         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2024         * testsuite/Makefile.in: Regenerate.
2025         * testsuite/plugin_section_order.c: New file.
2026         * testsuite/plugin_final_layout.cc: New file.
2027         * testsuite/plugin_final_layout.sh: New file.
2028
2029 2011-09-29  Cary Coutant  <ccoutant@google.com>
2030
2031         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2032         Check for NULL.
2033         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2034         symbols during incremental update.
2035         (Symbol_table::add_from_dynobj): Likewise.
2036
2037 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2038             Ian Lance Taylor  <iant@google.com>
2039
2040         * symtab.cc (Symbol_table::define_special_symbol): Always
2041         canonicalize version string.
2042
2043 2011-09-26  Cary Coutant  <ccoutant@google.com>
2044
2045         * gold.cc (queue_initial_tasks): Move option checks ...
2046         * options.cc (General_options::finalize): ... to here. Disable
2047         some options; make others fatal.
2048
2049 2011-09-26  Cary Coutant  <ccoutant@google.com>
2050
2051         gcc PR lto/47247
2052         * plugin.cc (get_symbols_v2): New function.
2053         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2054         (is_referenced_from_outside): New function.
2055         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2056         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2057         (get_symbols): Pass version parameter.
2058         (get_symbols_v2): New function.
2059         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2060         parameter.
2061         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2062         (onload): Add LDPT_GET_SYMBOLS_V2.
2063         (all_symbols_read_hook): Use get_symbols_v2; check for
2064         LDPR_PREVAILING_DEF_IRONLY_EXP.
2065         * testsuite/plugin_test_3.sh: Update expected results.
2066
2067 2011-09-23  Simon Baldwin  <simonb@google.com>
2068
2069         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2070         configuration options.
2071         * configure: Regenerate.
2072         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2073         * Makefile.in: Regenerate.
2074         * testsuite/Makefile.in: Regenerate.
2075
2076 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2077
2078         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2079
2080 2011-09-19  Cary Coutant  <ccoutant@google.com>
2081
2082         * incremental.cc (can_incremental_update): Fix typo in comment.
2083         * incremental.h (can_incremental_update): Likewise.
2084
2085 2011-09-18  Cary Coutant  <ccoutant@google.com>
2086
2087         * incremental.cc (can_incremental_update): New function.
2088         * incremental.h (can_incremental_update): New function.
2089         * layout.cc (Layout::init_fixed_output_section): Call it.
2090         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2091         * object.cc (Sized_relobj_file::do_layout): Call
2092         can_incremental_update.
2093
2094 2011-09-13  Cary Coutant  <ccoutant@google.com>
2095
2096         * configure.ac: Check for glibc support for gnu_indirect_function
2097         support with static linking, setting automake conditional
2098         IFUNC_STATIC.
2099         * Makefile.in: Regenerate.
2100         * configure: Regenerate.
2101
2102         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2103         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2104         for IFUNC_STATIC.
2105         * testsuite/Makefile.in: Regenerate.
2106
2107 2011-09-13  Cary Coutant  <ccoutant@google.com>
2108
2109         * incremental.cc (Sized_relobj_incr::do_layout): Call
2110         report_comdat_group for kept comdat sections.
2111         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2112         * testsuite/Makefile.in: Regenerate.
2113         * testsuite/incr_comdat_test_1.cc: New source file.
2114         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2115         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2116         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2117
2118 2011-09-13  Ian Lance Taylor  <iant@google.com>
2119
2120         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2121         variable external_symbols_offset.
2122
2123 2011-09-12  Ian Lance Taylor  <iant@google.com>
2124
2125         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2126         triggered if object has no symbols.
2127
2128 2011-09-09  David S. Miller  <davem@davemloft.net>
2129
2130         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2131         (Output_fill_debug_line::do_write): Likewise.
2132
2133 2011-08-29  Cary Coutant  <ccoutant@google.com>
2134
2135         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2136         casts to match formatting specs.
2137         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2138
2139 2011-08-26  Cary Coutant  <ccoutant@google.com>
2140
2141         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2142         remaining hole size when allocating.
2143         (Layout::make_output_section): Set fill methods for debug sections.
2144         * layout.h (Free_list::Free_list_node): Move from private to
2145         public.
2146         (Free_list::set_min_hole_size): New function.
2147         (Free_list::begin, Free_list::end): New functions.
2148         (Free_list::min_hole_): New data member.
2149         * output.cc: Include dwarf.h.
2150         (Output_fill_debug_info::do_minimum_hole_size): New function.
2151         (Output_fill_debug_info::do_write): New function.
2152         (Output_fill_debug_line::do_minimum_hole_size): New function.
2153         (Output_fill_debug_line::do_write): New function.
2154         (Output_section::Output_section): Initialize new data member.
2155         (Output_section::set_final_data_size): Ensure patch space is larger
2156         than minimum hole size.
2157         (Output_section::do_write): Fill holes in debug sections.
2158         * output.h (Output_fill): New class.
2159         (Output_fill_debug_info): New class.
2160         (Output_fill_debug_line): New class.
2161         (Output_section::set_free_space_fill): New function.
2162         (Output_section::free_space_fill_): New data member.
2163         * testsuite/Makefile.am (incremental_test_3): Add
2164         --incremental-patch option.
2165         (incremental_test_4): Likewise.
2166         (incremental_test_5): Likewise.
2167         (incremental_test_6): Likewise.
2168         (incremental_copy_test): Likewise.
2169         (incremental_common_test_1): Likewise.
2170         * testsuite/Makefile.in: Regenerate.
2171
2172 2011-08-26  Nick Clifton  <nickc@redhat.com>
2173
2174         * po/es.po: Updated Spanish translation.
2175
2176 2011-08-01  Cary Coutant  <ccoutant@google.com>
2177
2178         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2179         * gold/testsuite/Makefile.in: Regenerate.
2180         * gold/testsuite/justsyms_exec.c: New source file.
2181         * gold/testsuite/justsyms_lib.c: New source file.
2182
2183 2011-08-01  Cary Coutant  <ccoutant@google.com>
2184
2185         * layout.cc (Layout::set_segment_offsets): Don't realign text
2186         segment if -Ttext was specified.
2187         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2188         file type.
2189         * object.h (Sized_relobj_file::e_type): New function.
2190         (Sized_relobj_file::e_type_): New data member.
2191         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2192         base address for ET_EXEC files.
2193         * target.cc (Target::do_make_elf_object_implementation): Allow
2194         ET_EXEC files with --just-symbols option.
2195
2196 2011-07-28  Cary Coutant  <ccoutant@google.com>
2197
2198         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2199         Add thread_number parameter.
2200         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2201         * workqueue-threads.cc
2202         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2203         current thread if its thread number is greater than desired thread
2204         count.
2205         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2206         Add thread_number parameter.
2207         (Workqueue::should_cancel_thread): Likewise.
2208         (Workqueue::find_runnable_or_wait): Pass thread_number to
2209         should_cancel_thread.
2210         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2211         parameter.
2212
2213 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2214
2215         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2216         only after checking if it cannot be forced local.
2217         * symtab.h (is_externally_visible): Check if the symbol is not forced
2218         local.
2219
2220 2011-07-15  Ian Lance Taylor  <iant@google.com>
2221
2222         * options.h (class General_options): Add --print-output-format.
2223         Move -EL next to -EB, for  better --help output.
2224         * target-select.cc: Include <cstdio>, "options.h", and
2225         "parameters.h".
2226         (Target_selector::do_target_bfd_name): New function.
2227         (print_output_format): New function.
2228         * target-select.h (class Target_selector): Update declarations.
2229         (Target_selector::target_bfd_name): New function.
2230         (print_output_format): Declare.
2231         * main.cc: Include "target-select.h".
2232         (main): Handle --print-output-format.
2233         * gold.cc: Include "target-select.h".
2234         (queue_initial_tasks): Handle --print-output-format when there are
2235         no input files.
2236         * parameters.cc (parameters_force_valid_target): Give a better
2237         error message if -EB/-EL does not match target.
2238         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2239         function.
2240
2241 2011-07-15  Ian Lance Taylor  <iant@google.com>
2242
2243         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2244         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2245         (Output_data_plt_i386::do_write): Write address of .dynamic
2246         section to first entry in .got.plt section.
2247         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2248         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2249         Initialize layout_.
2250         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2251         section to first entry in .got.plt section.
2252         * layout.h (Layout::dynamic_section): New function.
2253
2254 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2255
2256         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2257         to claim_file call.
2258         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2259         input_section_position_, and input_section_glob_.
2260         (read_layout_from_file): Call function section_ordering_specified.
2261         * layout.h (is_section_ordering_specified): New function.
2262         (section_ordering_specified): New function.
2263         (section_ordering_specified_): New boolean member.
2264         * main.cc(main): Call load_plugins after layout object is defined.
2265         * output.cc (Output_section::add_input_section): Use
2266         function section_ordering_specified to check if section ordering is
2267         needed.
2268         * output.cc (Output_section::add_relaxed_input_section): Use
2269         function section_ordering_specified to check if section ordering is
2270         needed.
2271         (Output_section::update_section_layout): New function.
2272         (Output_section::sort_attached_input_sections): Check if input section
2273         must be reordered.
2274         * output.h (Output_section::update_section_layout): New function.
2275         * plugin.cc (get_section_count): New function.
2276         (get_section_type): New function.
2277         (get_section_name): New function.
2278         (get_section_contents): New function.
2279         (update_section_order): New function.
2280         (allow_section_ordering): New function.
2281         (Plugin::load): Add the new interfaces to the transfer vector.
2282         (Plugin_manager::load_plugins): New parameter.
2283         (Plugin_manager::all_symbols_read): New parameter.
2284         (Plugin_manager::claim_file): New parameter. Save the elf object for
2285         unclaimed objects.
2286         (Plugin_manager::get_elf_object): New function.
2287         (Plugin_manager::get_view): Change to directly use the bool to check
2288         if get_view is called from claim_file_hook.
2289         * plugin.h (input_objects): New function
2290         (Plugin__manager::load_plugins): New parameter.
2291         (Plugin_manager::claim_file): New parameter.
2292         (Plugin_manager::get_elf_object): New function.
2293         (Plugin_manager::in_claim_file_handler): New function.
2294         (Plugin_manager::in_claim_file_handler_): New member.
2295         (layout): New function.
2296         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2297         handler with an extra parameter. Make the elf object before calling
2298         claim_file handler.
2299         * testsuite/plugin_test.c (get_section_count): New function pointer.
2300         (get_section_type): New function pointer.
2301         (get_section_name): New function pointer.
2302         (get_section_contents): New function pointer.
2303         (update_section_order): New function pointer.
2304         (allow_section_ordering): New function pointer.
2305         (onload): Check if the new interfaces exist.
2306
2307 2011-07-13  Ian Lance Taylor  <iant@google.com>
2308
2309         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2310         relro section.
2311         * x86_64.cc (Target_x86_64::got_section): Likewise.
2312         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2313         (relro_now_test_SOURCES): New variable.
2314         (relro_now_test_DEPENDENCIES): New variable.
2315         (relro_now_test_LDFLAGS): New variable.
2316         (relro_now_test_LDADD): New variable.
2317         (relro_now_test.so): New target.
2318         * testsuite/Makefile.in: Rebuild.
2319
2320 2011-07-12  Ian Lance Taylor  <iant@google.com>
2321
2322         PR gold/12980
2323         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2324         GLOB_DAT relocation rather than a RELATIVE relocation for a
2325         protected symbol when creating a shared library.
2326         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2327         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2328         * testsuite/protected_main_1.cc (main): Test that protected
2329         function has same address.
2330
2331 2011-07-11  Ian Lance Taylor  <iant@google.com>
2332
2333         PR gold/12979
2334         * options.h (class General_options): Add -Bgroup.
2335         * options.cc (General_options::finalize): If -Bgroup is set,
2336         default to --unresolved-symbols=report-all.
2337         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2338         * target-reloc.h (issue_undefined_symbol_error): Handle
2339         --unresolved-symbols=report-all.
2340
2341 2011-07-08  Ian Lance Taylor  <iant@google.com>
2342
2343         PR gold/11985
2344         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2345         if linker script discards key sections.
2346         (Layout::create_dynamic_symtab): Likewise.
2347         (Layout::assign_local_dynsym_offsets): Likewise.
2348         (Layout::sized_create_version_sections): Likewise.
2349         (Layout::create_interp): Likewise.
2350         (Layout::finish_dynamic_section): Likewise.
2351         (Layout::set_dynamic_symbol_size): Likewise.
2352
2353 2011-07-08  Ian Lance Taylor  <iant@google.com>
2354
2355         PR gold/12386
2356         * options.h (class General_options): Add --unresolved-symbols.
2357         * target-reloc.h (issue_undefined_symbol_error): Check
2358         --unresolved-symbols.  Add comments.
2359
2360 2011-07-08  Ian Lance Taylor  <iant@google.com>
2361
2362         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2363         expression more complex.
2364
2365 2011-07-08  Ian Lance Taylor  <iant@google.com>
2366
2367         PR gold/11317
2368         * target-reloc.h (issue_undefined_symbol_error): New inline
2369         function, broken out of relocate_section.
2370         (relocate_section): Call issue_undefined_symbol_error.
2371         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2372         there is no TLS segment if we are about to issue an undefined
2373         symbol error.
2374         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2375
2376 2011-07-08  Ian Lance Taylor  <iant@google.com>
2377
2378         PR gold/12279
2379         * resolve.cc (Symbol_table::should_override): Add fromtype
2380         parameter.  Change all callers.  Give error when linking together
2381         TLS and non-TLS symbol.
2382         (Symbol_table::should_override_with_special): Add fromtype
2383         parameter.  Change all callers.
2384         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2385         there is no TLS segment if we have reported some errors.
2386         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2387
2388 2011-07-08  Ian Lance Taylor  <iant@google.com>
2389
2390         PR gold/12372
2391         * target.h (Target::plt_address_for_global): New function.
2392         (Target::plt_address_for_local): New function.
2393         (Target::plt_section_for_global): Remove.
2394         (Target::plt_section_for_local): Remove.
2395         (Target::do_plt_address_for_global): New virtual function.
2396         (Target::do_plt_address_for_local): New virtual function.
2397         (Target::do_plt_section_for_global): Remove.
2398         (Target::do_plt_section_for_local): Remove.
2399         (Target::register_global_plt_entry): Add Symbol_table and Layout
2400         parameters.
2401         * output.cc (Output_data_got::Got_entry::write): Use
2402         plt_address_for_global and plt_address_for_local.
2403         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2404         address of output section.
2405         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2406         got_irelative_, and irelative_count_ fields.  Update
2407         declarations.
2408         (Output_data_plt_i386::has_irelative_section): New function.
2409         (Output_data_plt_i386::entry_count): Add irelative_count_.
2410         (Output_data_plt_i386::set_final_data_size): Likewise.
2411         (class Target_i386): Add got_irelative_ and rel_irelative_
2412         fields.  Update declarations.
2413         (Target_i386::Target_i386): Initialize new fields.
2414         (Target_i386::do_plt_address_for_global): New function replacing
2415         do_plt_section_for_global.
2416         (Target_i386::do_plt_address_for_local): New function replacing
2417         do_plt_section_for_local.
2418         (Target_i386::got_section): Create got_irelative_.
2419         (Target_i386::rel_irelative_section): New function.
2420         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2421         fields.  Don't define __rel_iplt_{start,end}.
2422         (Output_data_plt_i386::add_entry): Add symtab and layout
2423         parameters.  Change all callers.  Use different PLT and GOT for
2424         IFUNC symbols.
2425         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2426         layout parameters.  Change all callers.  Use different PLT and
2427         GOT.
2428         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2429         (Output_data_plt_i386::rel_irelative): New function.
2430         (Output_data_plt_i386::address_for_global): New function.
2431         (Output_data_plt_i386::address_for_local): New function.
2432         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2433         IRELATIVE GOT when changing IFUNC GOT entries.
2434         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2435         reloc.
2436         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2437         if we didn't create an IRELATIVE GOT.
2438         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2439         plt_address_for_local.
2440         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2441         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2442         got_irelative_, and irelative_count_ fields.  Update
2443         declarations.
2444         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2445         Initialize new fields.  Remove symtab parameter.  Change all
2446         callers.
2447         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2448         irelative_count_.
2449         (Output_data_plt_x86_64::has_irelative_section): New function.
2450         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2451         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2452         fields.  Update declarations.
2453         (Target_x86_64::Target_x86_64): Initialize new fields.
2454         (Target_x86_64::do_plt_address_for_global): New function replacing
2455         do_plt_section_for_global.
2456         (Target_x86_64::do_plt_address_for_local): New function replacing
2457         do_plt_section_for_local.
2458         (Target_x86_64::got_section): Create got_irelative_.
2459         (Target_x86_64::rela_irelative_section): New function.
2460         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2461         all callers.  Don't create __rel_iplt_{start,end}.
2462         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2463         parameters.  Change all callers.  Use different PLT and GOT for
2464         IFUNC symbols.
2465         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2466         layout parameters.  Change all callers.  Use different PLT and
2467         GOT.
2468         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2469         parameters.  Change all callers.  Use different PLT and GOT for
2470         IFUNC symbols.
2471         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2472         (Output_data_plt_x86_64::rela_irelative): New function.
2473         (Output_data_plt_x86_64::address_for_global): New function.
2474         (Output_data_plt_x86_64::address_for_local): New function.
2475         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2476         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2477         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2478         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2479         parameters.
2480         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2481         reloc.
2482         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2483         symbols if we didn't create an IRELATIVE GOT.
2484         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2485         plt_address_for_local.
2486         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2487         * testsuite/ifuncvar1.c: New test file.
2488         * testsuite/ifuncvar2.c: New test file.
2489         * testsuite/ifuncvar3.c: New test file.
2490         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2491         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2492         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2493         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2494         * testsuite/Makefile.in: Rebuild.
2495
2496 2011-07-07  Cary Coutant  <ccoutant@google.com>
2497
2498         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2499         (two_file_test_1_ndebug.o): Likewise.
2500         (two_file_test_1b_ndebug.o): Likewise.
2501         (two_file_test_2_ndebug.o): Likewise.
2502         (two_file_test_main_ndebug.o): Likewise.
2503         (incremental_test_2): Link with no-debug versions.
2504
2505 2011-07-06  Cary Coutant  <ccoutant@google.com>
2506
2507         * gold/incremental.cc
2508         (Output_section_incremental_inputs::write_info_blocks): Check for
2509         hidden and internal symbols.
2510
2511 2011-07-06  Cary Coutant  <ccoutant@google.com>
2512
2513         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2514         Check disposition for startup file.
2515         (Incremental_inputs::report_command_line): Ignore
2516         --incremental-startup-unchanged option.
2517         * options.cc (General_options::parse_incremental_startup_unchanged):
2518         New function.
2519         (General_options::General_options): Initialize new data member.
2520         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2521         (General_options): Add --incremental-startup-unchanged option.
2522         (General_options::incremental_startup_disposition): New function.
2523         (General_options::incremental_startup_disposition_): New data member.
2524
2525 2011-07-06  Cary Coutant  <ccoutant@google.com>
2526
2527         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2528         input file index to Script_info ctor.
2529         (Sized_incremental_binary::do_file_has_changed): Find the
2530         command-line argument for files named in scripts.
2531         * incremental.h (Script_info::Script_info): New ctor
2532         with input file index.
2533         (Script_info::input_file_index): New function.
2534         (Script_info::input_file_index_): New data member.
2535         (Incremental_binary::get_library): Add const.
2536         (Incremental_binary::get_script_info): Add const.
2537         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2538         * testsuite/Makefile.am (incremental_test_5): New test case.
2539         (incremental_test_6): New test case.
2540         * testsuite/Makefile.in: Regenerate.
2541
2542 2011-07-06  Cary Coutant  <ccoutant@google.com>
2543
2544         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2545         debug output when command lines differ.
2546
2547 2011-07-06  Cary Coutant  <ccoutant@google.com>
2548
2549         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2550         --incremental-patch option.
2551         * layout.cc (Free_list::allocate): Extend allocation beyond original
2552         end if enabled.
2553         (Layout::make_output_section): Mark sections that should get
2554         patch space.
2555         * options.cc (parse_percent): New function.
2556         * options.h (parse_percent): New function.
2557         (DEFINE_percent): New macro.
2558         (General_options): Add --incremental-patch option.
2559         * output.cc (Output_section::Output_section): Initialize new data
2560         members.
2561         (Output_section::add_input_section): Print section name when out
2562         of patch space.
2563         (Output_section::add_output_section_data): Likewise.
2564         (Output_section::set_final_data_size): Add patch space when
2565         doing --incremental-full.
2566         (Output_section::do_reset_address_and_file_offset): Remove patch
2567         space.
2568         (Output_segment::set_section_list_addresses): Print debug output
2569         only if --incremental-update.
2570         * output.h (Output_section::set_is_patch_space_allowed): New function.
2571         (Output_section::is_patch_space_allowed_): New data member.
2572         (Output_section::patch_space_): New data member.
2573         * parameters.cc (Parameters::incremental_full): New function.
2574         * parameters.h (Parameters::incremental_full): New function
2575         * testsuite/Makefile.am (incremental_test_2): Add test for
2576         --incremental-patch option.
2577         * testsuite/Makefile.in: Regenerate.
2578         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2579         (t18): Remove function body.
2580
2581 2011-07-05  Doug Kwan  <dougkwan@google.com>
2582
2583         PR gold/12771
2584         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2585         Arm_Address type for relocation result.
2586         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2587         overflow check.
2588         (Arm_relocate_functions::abs32): Use unaligned access.
2589         (Arm_relocate_functions::rel32): Ditto.
2590         (Arm_relocate_functions::prel31): Ditto.
2591         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2592         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2593         static data relocations.
2594         * testsuite/Makefile.in: Regnerate.
2595         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2596
2597 2011-07-05  Ian Lance Taylor  <iant@google.com>
2598
2599         PR gold/12392
2600         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2601         symbols if necessary.
2602         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2603
2604 2011-07-05  Ian Lance Taylor  <iant@google.com>
2605
2606         PR gold/12952
2607         * resolve.cc (Symbol::override_base_with_special): Simply override
2608         version with special symbol version, ignoring previous version.
2609
2610 2011-07-05  Ian Lance Taylor  <iant@google.com>
2611
2612         * object.cc (Sized_relobj_file::include_section_group): Add
2613         information to comment about signature location.
2614
2615 2011-07-02  Ian Lance Taylor  <iant@google.com>
2616
2617         PR gold/12957
2618         * options.h (class General_options): Add -f and -F.
2619         * options.cc (General_options::finalize): Fatal error if -f/-F
2620         are used without -shared.
2621         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2622
2623 2011-07-02  Ian Lance Taylor  <iant@google.com>
2624
2625         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2626
2627 2011-07-01  Ian Lance Taylor  <iant@google.com>
2628
2629         PR gold/12525
2630         PR gold/12952
2631         * resolve.cc (Symbol::override_base_with_special): Don't override
2632         the version if the overriding symbol has a different name.
2633         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2634         all callers.  If we give an error about an undefined version,
2635         define the base version if necessary.
2636         * dynobj.h (class Versions): Update declaration.
2637         * testsuite/weak_alias_test_5.cc: New file.
2638         * testsuite/weak_alias_test.script: New file.
2639         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2640         and versioned_alias have the right value, and call t2.
2641         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2642         weak_alias_test_5.so.
2643         (weak_alias_test_LDADD): Likewise.
2644         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2645         * testsuite/Makefile.in: Rebuild.
2646
2647 2011-07-01  Ian Lance Taylor  <iant@google.com>
2648
2649         PR gold/12525
2650         * options.h (class General_options): Support -z notext.
2651         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2652         -Wl,-z,notext.
2653         (two_file_shared_nonpic.so): Likewise.
2654         (two_file_shared_mixed.so): Likewise.
2655         (two_file_shared_mixed_1.so): Likewise.
2656         (weak_undef_lib_nonpic.so): Likewise.
2657         (alt/weak_undef_lib_nonpic.so): Likewise.
2658         (tls_test_shared_nonpic.so): Likewise.
2659         * testsuite/Makefile.in: Rebuild.
2660
2661 2011-07-01  Ian Lance Taylor  <iant@google.com>
2662
2663         PR gold/12525
2664         * configure.ac: Test whether static linking works, setting
2665         the automake conditional HAVE_STATIC.
2666         * testsuite/Makefile.am: Disable tests using -static if
2667         HAVE_STATIC is not true.
2668         * configure, testsuite/Makefile.in: Rebuild.
2669
2670 2011-07-01  Ian Lance Taylor  <iant@google.com>
2671
2672         PR gold/12525
2673         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2674         Assert if we see DW_EH_PE_indirect.
2675         * target.h (Target::ehframe_datarel_base): New function.
2676         (Target::do_ehframe_datarel_base): New target function.
2677         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2678         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2679         function.
2680
2681 2011-07-01  Ian Lance Taylor  <iant@google.com>
2682
2683         PR gold/12571
2684         * options.h (class General_options): Add
2685         --ld-generated-unwind-info.
2686         * ehframe.cc (Fde::write): Add address parameter.  Change all
2687         callers.  If associated with PLT, fill in address and size.
2688         (Cie::set_output_offset): Only add merge mapping if there is an
2689         object.
2690         (Cie::write): Add address parameter.  Change all callers.
2691         (Eh_frame::add_ehframe_for_plt): New function.
2692         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2693         input_offset_ fields into union u_, with new plt field.
2694         (Fde::Fde): Adjust for new union field.
2695         (Fde::Fde) [Output_data version]: New constructor.
2696         (Fde::add_mapping): Only add merge mapping if there is an object.
2697         (class Cie): Update declarations.
2698         (class Eh_frame): Declare add_ehframe_for_plt.
2699         * layout.cc (Layout::layout_eh_frame): Break out code into
2700         make_eh_frame_section, and call it.
2701         (Layout::make_eh_frame_section): New function.
2702         (Layout::add_eh_frame_for_plt): New function.
2703         * layout.h (class Layout): Update declarations.
2704         * merge.cc (Merge_map::add_mapping): Add assertion.
2705         * i386.cc: Include "dwarf.h".
2706         (class Output_data_plt_i386): Make first_plt_entry,
2707         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2708         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2709         and plt_eh_frame_fde.
2710         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2711         boundary.  Call add_eh_frame_for_plt if appropriate.
2712         * x86_64.cc: Include "dwarf.h".
2713         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2714         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2715         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2716         and plt_eh_frame_fde.
2717         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2718         appropriate.
2719
2720 2011-06-29  Ian Lance Taylor  <iant@google.com>
2721
2722         PR gold/12629
2723         * object.cc (Sized_relobj_file::layout_section): Change shdr
2724         parameter to be const.
2725         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2726         out of do_layout.
2727         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2728         appropriate.  Call layout_eh_frame_section.
2729         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2730         sections.
2731         * object.h (class Sized_relobj_file): Update declarations.
2732
2733 2011-06-29  Ian Lance Taylor  <iant@google.com>
2734
2735         PR gold/12652
2736         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2737         modifier.
2738         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2739
2740 2011-06-29  Ian Lance Taylor  <iant@google.com>
2741
2742         PR gold/12675
2743         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2744         SHT_X86_64_UNWIND.
2745         * layout.cc (Layout::layout_eh_frame): Likewise.
2746
2747 2011-06-29  Ian Lance Taylor  <iant@google.com>
2748
2749         PR gold/12695
2750         * layout.cc (Layout::symtab_section_shndx): New function.
2751         * layout.h (class Layout): Declare symtab_section_shndx.
2752         * output.cc (Output_section::write_header): Call it.
2753
2754 2011-06-29  Ian Lance Taylor  <iant@google.com>
2755
2756         PR gold/12818
2757         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2758         symbols which are not used in a relocation.
2759
2760 2011-06-28  Ian Lance Taylor  <iant@google.com>
2761
2762         PR gold/12898
2763         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2764         script create indistinguishable segments.
2765         (Layout::set_segment_offsets): Use stable_sort when sorting
2766         segments.  Pass this to Compare_segments constructor.
2767         * layout.h (class Layout): Make segment_precedes non-static.
2768         (class Compare_segments): Change from struct to class.  Add
2769         layout_ field.  Add constructor.
2770         * script-sections.cc
2771         (Script_sections::attach_sections_using_phdrs_clause): Rename
2772         local orphan to is_orphan.  Don't report failure to put empty
2773         section in segment.  On attachment failure, report name of
2774         section, and attach to first PT_LOAD segment.
2775
2776 2011-06-28  Ian Lance Taylor  <iant@google.com>
2777
2778         PR gold/12934
2779         * target-select.cc (Target_selector::Target_selector): Add
2780         emulation parameter.  Change all callers.
2781         (select_target_by_bfd_name): Rename from select_target_by_name.
2782         Change all callers.
2783         (select_target_by_emulation): New function.
2784         (supported_emulation_names): New function.
2785         * target-select.h (class Target_selector): Add emulation_ field.
2786         Update declarations.
2787         (Target_selector::recognize_by_bfd_name): Rename from
2788         recognize_by_name.  Change all callers.
2789         (Target_selector::supported_bfd_names): Rename from
2790         supported_names.  Change all callers.
2791         (Target_selector::recognize_by_emulation): New function.
2792         (Target_selector::supported_emulations): New function.
2793         (Target_selector::emulation): New function.
2794         (Target_selector::do_recognize_by_bfd_name): Rename from
2795         do_recognize_by_name.  Change all callers.
2796         (Target_selector::do_supported_bfd_names): Rename from
2797         do_supported_names.  Change all callers.
2798         (Target_selector::do_recognize_by_emulation): New function.
2799         (Target_selector::do_supported_emulations): New function.
2800         (select_target_by_bfd_name): Change name in declaration.
2801         (select_target_by_emulation): Declare.
2802         (supported_emulation_names): Declare.
2803         * parameters.cc (parameters_force_valid_target): Try to find
2804         target based on emulation from -m option.
2805         * options.h (class General_options): Change doc string for -m.
2806         * options.cc (help): Print emulations.
2807         (General_options::parse_V): Likewise.
2808         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2809         Add emulation parameter.  Change all callers.
2810
2811 2011-06-28  Ian Lance Taylor  <iant@google.com>
2812
2813         * target.h (class Target): Add osabi_ field.
2814         (Target::osabi): New function.
2815         (Target::set_osabi): New function.
2816         (Target::Target): Initialize osabi_.
2817         (Target::do_adjust_elf_header): Make pure virtual.
2818         (Sized_target::do_adjust_elf_header): Declare.
2819         * target.cc (Sized_target::do_adjust_elf_header): New function.
2820         (class Sized_target): Instantiate all versions.
2821         * freebsd.h (class Target_freebsd): Remove.
2822         (Target_selector_freebsd::do_recognize): Call set_osabi on
2823         Target.
2824         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2825         (Target_selector_freebsd::set_osabi): Remove.
2826         * i386.cc (class Target_i386): Inherit from Sized_target rather
2827         than Target_freebsd.
2828         * x86_64.cc (class Target_x86_64): Likewise.
2829
2830 2011-06-28  Ian Lance Taylor  <iant@google.com>
2831
2832         * target.h (Target::can_check_for_function_pointers): Rewrite.
2833         Make non-virtual.
2834         (Target::can_icf_inline_merge_sections): Likewise.
2835         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2836         (Target::Target_info): Add can_icf_inline_merge_sections field.
2837         (Target::do_can_check_for_function_pointers): New virtual
2838         function.
2839         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2840         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2841         from can_check_for_function_pointers, move in file.
2842         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2843         section_may_have_icf_unsafe_poineters, move in file.
2844         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2845         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2846         Rename from can_check_for_function_pointers, move in file.
2847         (Target_i386::can_icf_inline_merge_sections): Remove.
2848         (Target_i386::i386_info): Initialize
2849         can_icf_inline_merge_sections.
2850         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2851         Initialize can_icf_inline_merge_sections.
2852         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2853         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2854         Rename from can_check_for_function_pointers, move in file.
2855         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2856         (Target_x86_64::x86_64_info): Initialize
2857         can_icf_inline_merge_sections.
2858         * testsuite/testfile.cc (Target_test::test_target_info):
2859         Likewise.
2860         * icf.cc (get_section_contents): Correct formatting.
2861
2862 2011-06-27  Ian Lance Taylor  <iant@google.com>
2863
2864         * symtab.cc (Symbol::versioned_name): New function.
2865         (Symbol_table::add_to_final_symtab): Use versioned_name when
2866         appropriate.
2867         (Symbol_table::sized_write_symbol): Likewise.
2868         * symtab.h (class Symbol): Declare versioned_name.
2869         * stringpool.h (class Stringpool_template): Add variant of add
2870         which takes a std::basic_string.
2871         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2872         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2873         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2874         (ver_test_12.o): New target.
2875         * testsuite/Makefile.in: Rebuild.
2876
2877 2011-06-27  Doug Kwan  <dougkwan@google.com>
2878
2879         * arm.cc (Arm_relocate_functions::thm_jump8,
2880         Arm_relocate_functions::thm_jump11): Use a wider signed
2881         type to compute offset.
2882         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2883         arm_thm_jump8.
2884         * testsuite/Makefile.in: Regenerate.
2885         * testsuite/arm_branch_in_range.sh: Check test results of
2886         arm_thm_jump11 and arm_thm_jump8.
2887         * testsuite/arm_thm_jump11.s: New test source file.
2888         * testsuite/arm_thm_jump11.t: New linker script.
2889         * testsuite/arm_thm_jump8.s: New test source file.
2890         * testsuite/arm_thm_jump8.t: New linker script.
2891
2892 2011-06-24  Ian Lance Taylor  <iant@google.com>
2893
2894         * layout.cc: Include "object.h".
2895         (ctors_sections_in_init_array): New static variable.
2896         (Layout::is_ctors_in_init_array): New function.
2897         (Layout::layout): Add entry to ctors_sections_in_init_array if
2898         appropriate.
2899         * layout.h (class Layout): Declare is_ctors_in_init_array.
2900         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2901         is_ctors_reverse_view is set.
2902         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2903         all callers.  Set is_ctors_reverse_view field of View_size.
2904         (Sized_relobj_file::reverse_words): New function.
2905         * object.h (Sized_relobj_file::View_size): Add
2906         is_ctors_reverse_view field.
2907         (class Sized_relobj_file): Update declarations.
2908         * testsuite/initpri3.c: New test.
2909         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2910         initpri3b.
2911         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2912         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2913         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2914         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2915         * testsuite/Makefile.in: Rebuild.
2916
2917 2011-06-24  Cary Coutant  <ccoutant@google.com>
2918
2919         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2920         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2921         (debug_msg_cdebug.err): New targets.
2922         * testsuite/Makefile.in: Regenerate.
2923         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2924         Fix checks for link with shared library.
2925
2926 2011-06-24  Doug Kwan  <dougkwan@google.com>
2927
2928         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2929         skip empty text sections.
2930         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2931
2932 2011-06-22  Ian Lance Taylor  <iant@google.com>
2933
2934         PR gold/12910
2935         * options.h (class General_options): Add --ctors-in-init-array.
2936         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2937         friends as SHT_PROGBITS for merging sections.
2938         (Layout::layout): Remove special handling of .init_array and
2939         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2940         and .dtors if ctors_in_init_array.
2941         (Layout::make_output_section): Force correct section types for
2942         .init_array and friends.  Don't sort if doing relocatable link,
2943         Don't sort .ctors and .dtors if ctors_in_init_array.
2944         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2945         (Layout::output_section_name): Add relobj parameter.  Change all
2946         callers.  Handle .ctors. and .dtors. in code rather than table.
2947         Handle .ctors and .dtors if ctors_in_init_array.
2948         (Layout::match_file_name): New function, moved from output.cc.
2949         * layout.h (class Layout): Update declarations.
2950         * output.cc: Include "layout.h".
2951         (Input_section_sort_entry::get_priority): New function.
2952         (Input_section_sort_entry::match_file_name): Just call
2953         Layout::match_file_name.
2954         (Output_section::Input_section_sort_init_fini_compare::operator()):
2955         Handle .ctors and .dtors.  Sort by explicit priority rather than
2956         by name.
2957         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2958         * testsuite/initpri2.c: New test.
2959         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2960         (check_PROGRAMS): Add initpri2.
2961         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2962         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2963         * configure, testsuite/Makefile.in: Rebuild.
2964
2965 2011-06-19  Ian Lance Taylor  <iant@google.com>
2966
2967         PR gold/12880
2968         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2969         .interp section to a PT_INTERP segment even if we have seen a
2970         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2971         clause in a linker script.
2972         (Layout::finalize): Don't create a .interp section if we've
2973         already create a PT_INTERP segment.
2974         (Layout::create_interp): Always call choose_output_section (revert
2975         patch of 2011-06-17).  Don't create PT_INTERP segment.
2976         * script-sections.cc
2977         (Script_sections::create_note_and_tls_segments): Add a .interp
2978         section to a PT_INTERP segment even if we have seen a
2979         --dynamic-linker option.
2980
2981 2011-06-18  Ian Lance Taylor  <iant@google.com>
2982
2983         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2984         merely because a non-PT_LOAD segment has a dynamic reloc.
2985
2986 2011-06-18  Ian Lance Taylor  <iant@google.com>
2987
2988         * layout.cc (Layout::finish_dynamic_section): Don't create
2989         DT_FLAGS entry if not needed.
2990
2991 2011-06-18  Ian Lance Taylor  <iant@google.com>
2992
2993         PR gold/12745
2994         * layout.cc (Layout::layout_eh_frame): Correct handling of
2995         writable .eh_frame section.
2996
2997 2011-06-17  Ian Lance Taylor  <iant@google.com>
2998
2999         PR gold/12893
3000         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3001         symbol is redefined with the exact same object and value.
3002
3003 2011-06-17  Ian Lance Taylor  <iant@google.com>
3004
3005         PR gold/12880
3006         * layout.h (class Layout): Add interp_segment_ field.
3007         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3008         (Layout::attach_allocated_section_to_segment): If making shared
3009         library, put .interp section in PT_INTERP segment.
3010         (Layout::finalize): Also call create_interp if -dynamic-linker
3011         option was used.
3012         (Layout::create_interp): Assert that there is no PT_INTERP
3013         segment.  If not using a SECTIONS clause, use make_output_section.
3014         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3015         * script-sections.cc
3016         (Script_sections::create_note_and_tls_segments): If making shared
3017         library, put .interp section in PT_INTERP segment.
3018
3019 2011-06-17  Ian Lance Taylor  <iant@google.com>
3020
3021         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3022         when making a shared library.
3023
3024 2011-06-17  Ian Lance Taylor  <iant@google.com>
3025
3026         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3027         parameter.  Change all callers.  Don't issue warning about PC32
3028         against locally defined symbol.
3029
3030 2011-06-16  Ian Lance Taylor  <iant@google.com>
3031
3032         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3033         occurs in same object.
3034
3035 2011-06-14  Alan Modra  <amodra@gmail.com>
3036
3037         * po/POTFILES.in: Regenerate.
3038
3039 2011-06-09  Ian Lance Taylor  <iant@google.com>
3040
3041         * script-sections.cc
3042         (Orphan_output_section::set_section_addresses): For a relocatable
3043         link set address to 0.
3044
3045 2011-06-09  Cary Coutant  <ccoutant@google.com>
3046
3047         PR gold/12804
3048         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3049         used with --compress-debug-sections.
3050         * gold/object.cc (Sized_relobj_file::do_layout): Report
3051         uncompressed size of compressed input sections.
3052
3053 2011-06-08  Cary Coutant  <ccoutant@google.com>
3054
3055         PR gold/12804
3056         * testsuite/two_file_test_2_v1.cc: Change initialization of
3057         v2 to keep it in .data.
3058
3059 2011-06-07  Cary Coutant  <ccoutant@google.com>
3060
3061         * common.cc (Symbol_table::do_allocate_commons_list): Call
3062         gold_fallback.
3063         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3064         (Errors::fallback): New function.
3065         (gold_fallback): New function.
3066         * errors.h (Errors::fallback): New function.
3067         * gold.cc (gold_exit): Change status parameter to enum; adjust
3068         all callers.
3069         (queue_initial_tasks): Call gold_fallback.
3070         * gold.h: Include cstdlib.
3071         (Exit_status): New enum type.
3072         (gold_exit): Change status parameter to enum.
3073         (gold_fallback): New function.
3074         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3075         (Layout::create_symtab_sections): Likewise.
3076         (Layout::create_shdrs): Likewise.
3077         * main.cc (main): Adjust call to gold_exit.
3078         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3079         (Output_data_got::add_got_entry_pair): Likewise.
3080         (Output_section::add_input_section): Likewise.
3081         (Output_section::add_output_section_data): Likewise.
3082         (Output_segment::set_section_list_addresses): Likewise.
3083         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3084
3085 2011-06-07  Cary Coutant  <ccoutant@google.com>
3086
3087         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3088         for incremental links.
3089         * output.cc (Output_segment::set_section_list_addresses): Remove
3090         FIXME and test for TLS or BSS.
3091
3092 2011-06-07  Cary Coutant  <ccoutant@google.com>
3093
3094         * testsuite/Makefile.am: Add incremental_copy_test,
3095         incremental_common_test_1.
3096         * testsuite/Makefile.in: Regenerate.
3097         * testsuite/common_test_1_v1.c: New source file.
3098         * testsuite/common_test_1_v2.c: New source file.
3099         * testsuite/copy_test_v1.cc: New source file.
3100
3101 2011-06-07  Cary Coutant  <ccoutant@google.com>
3102
3103         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3104         update, allocate common from bss section's free list.
3105         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3106         linker-defined symbols.
3107         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3108         Skip GOT and PLT entries that are no longer referenced.
3109         (Output_section_incremental_inputs::write_info_blocks): Mark
3110         linker-defined symbols.
3111         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3112         * output.cc (Output_section::allocate): New function.
3113         * output.h (Output_section::allocate): New function.
3114         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3115         linker-defined symbols.
3116         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3117         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3118         (Symbol::init_base_output_data): Likewise.
3119         (Symbol::init_base_output_segment): Likewise.
3120         (Symbol::init_base_constant): Likewise.
3121         (Sized_symbol::init_output_data): Likewise.
3122         (Sized_symbol::init_output_segment): Likewise.
3123         (Sized_symbol::init_constant): Likewise.
3124         (Symbol_table::do_define_in_output_data): Likewise.
3125         (Symbol_table::do_define_in_output_segment): Likewise.
3126         (Symbol_table::do_define_as_constant): Likewise.
3127         * symtab.h (Symbol::is_predefined): New function.
3128         (Symbol::init_base_output_data): Add is_predefined parameter.
3129         (Symbol::init_base_output_segment): Likewise.
3130         (Symbol::init_base_constant): Likewise.
3131         (Symbol::is_predefined_): New data member.
3132         (Sized_symbol::init_output_data): Add is_predefined parameter.
3133         (Sized_symbol::init_output_segment): Likewise.
3134         (Sized_symbol::init_constant): Likewise.
3135         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3136
3137 2011-06-07  Cary Coutant  <ccoutant@google.com>
3138
3139         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3140         instead of emit_copy_reloc.
3141         (Copy_relocs::emit_copy_reloc): Refactor.
3142         (Copy_relocs::make_copy_reloc): New function.
3143         (Copy_relocs::add_copy_reloc): Remove.
3144         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3145         section.
3146         (Copy_relocs::make_copy_reloc): New function.
3147         (Copy_relocs::add_copy_reloc): Remove.
3148         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3149         unchanged input files.
3150         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3151         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3152         Reserve BSS space for COPY relocations.
3153         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3154         (Output_section_incremental_inputs::write_info_blocks): Record
3155         whether a symbol is copied from a shared object.
3156         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3157         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3158         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3159         (Incremental_input_entry_reader::get_output_symbol_index): Add
3160         is_copy parameter.
3161         (Incremental_binary::emit_copy_relocs): New function.
3162         (Incremental_binary::do_emit_copy_relocs): New function.
3163         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3164         new data member.
3165         (Sized_incremental_binary::add_copy_reloc): New function.
3166         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3167         (Sized_incremental_binary::Copy_reloc): New struct.
3168         (Sized_incremental_binary::Copy_relocs): New typedef.
3169         (Sized_incremental_binary::copy_relocs_): New data member.
3170         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3171         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3172         * target.h (Sized_target::emit_copy_reloc): New function.
3173         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3174
3175 2011-06-02  Cary Coutant  <ccoutant@google.com>
3176
3177         PR gold/12163
3178         * gold/archive.cc (Archive::Archive): Initialize new data member.
3179         (Archive::include_all_members): Return if archive has already been
3180         included.
3181         * gold/archive.h (Archive::include_all_members_): New data member.
3182
3183 2011-06-02  Nick Clifton  <nickc@redhat.com>
3184
3185         * dynobj.h: Fix spelling mistake in comment.
3186         * output.cc: Likewise.
3187
3188 2011-05-31  Doug Kwan  <dougkwan@google.com>
3189             Asier Llano
3190
3191         PR gold/12826
3192         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3193         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3194         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3195         redundant arm_exidx_test.so.
3196         * testsuite/Makefile.in: Regenerate.
3197         (check_SCRIPTS): Add pr12826.sh
3198         (check_DATA): Add pr12826.stdout
3199         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3200         * testsuite/pr12826.sh: New file.
3201         * testsuite/pr12826_1.s: Ditto.
3202         * testsuite/pr12826_1.s: Ditto.
3203
3204 2011-05-30  Ian Lance Taylor  <iant@google.com>
3205
3206         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3207         sections.
3208
3209 2011-05-29  Ian Lance Taylor  <iant@google.com>
3210
3211         PR gold/12804
3212         * testsuite/Makefile.am: Use different file name for two_file_test
3213         temporary file for each incremental test.
3214         * testsuite/Makefile.in: Rebuild.
3215
3216 2011-05-29  Ian Lance Taylor  <iant@google.com>
3217
3218         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3219         binary input file is empty.
3220
3221 2011-05-27  Ian Lance Taylor  <iant@google.com>
3222
3223         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3224         (ver_test_9.so): Likewise.
3225         * testsuite/Makefile.in: Rebuild.
3226
3227 2011-05-26 Cary Coutant  <ccoutant@google.com>
3228
3229         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3230         * incremental.cc (Incremental_inputs::report_input_section): Fix
3231         comment, indentation.
3232         (Incremental_inputs::report_comdat_group): New function.
3233         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3234         of data for incremental input file entry.
3235         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3236         group count, COMDAT group signatures.
3237         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3238         an unchanged input file.
3239         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3240         Initialize new data member.
3241         (Incremental_object_entry::add_comdat_group): New function.
3242         (Incremental_object_entry::get_comdat_group_count): New function.
3243         (Incremental_object_entry::get_comdat_signature_key): New function.
3244         (Incremental_object_entry::groups_): New data member.
3245         (Incremental_inputs::report_comdat_group): New function.
3246         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3247         data for incremental input file entry.
3248         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3249         (Incremental_input_entry_reader::get_input_section): Adjust size of
3250         data for incremental input file entry.
3251         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3252         (Incremental_input_entry_reader::get_comdat_group_signature): New
3253         function.
3254         * object.cc (Sized_relobj::include_section_group): Report kept
3255         COMDAT groups for incremental links.
3256
3257 2011-05-24  David Meyer  <pdox@google.com>
3258
3259         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3260         with name parameter.  Add found_name parameter.
3261         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3262         * dirsearch.h (class Dirsearch): Update declaration.
3263
3264 2011-05-24  Ian Lance Taylor  <iant@google.com>
3265
3266         * archive.cc (Library_base::should_include_member): Pull in object
3267         from archive if it defines the entry symbol.
3268         * parameters.cc (Parameters::entry): New function.
3269         * parameters.h (class Parameters): Declare entry.
3270         * output.h (class Output_file_header): Remove entry_ field.
3271         * output.cc (Output_file_header::Output_file_header): Remove entry
3272         parameter.  Change all callers.
3273         (Output_file_header::entry): Use parameters->entry.
3274         * gold.cc (queue_middle_tasks): Likewise.
3275         * plugin.cc (Plugin_hook::run): Likewise.
3276
3277 2011-05-24 Cary Coutant  <ccoutant@google.com>
3278
3279         * gold.cc (queue_initial_tasks): Pass incremental base filename
3280         to Output_file::open_base_file; don't print error message.
3281         * incremental-dump.cc (main): Adjust call to
3282         Output_file::open_for_modification.
3283         * incremental-dump.cc (main): Likewise.
3284         * incremental.cc (Incremental_inputs::report_command_line):
3285         Ignore --incremental-base option when comparing command lines.
3286         Ignore parameter when given as separate argument.
3287         * options.h (class General_options): Add --incremental-base.
3288         * output.cc (Output_file::Output_file):
3289         (Output_file::open_base_file): Add base_name and writable parameters;
3290         read base file into new file; print error message here.
3291         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3292         callers.
3293         * output.h (Output_file::open_for_modification): Rename to...
3294         (Output_file::open_base_file): ...this; add base_name and
3295         writable parameters; adjust all callers.
3296         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3297         callers.
3298         * testsuite/Makefile.am (incremental_test_4): Test
3299         --incremental-base.
3300         * testsuite/Makefile.in: Regenerate.
3301
3302 2011-05-24 Cary Coutant  <ccoutant@google.com>
3303
3304         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3305         incremental_test_4.
3306         * testsuite/Makefile.in: Regenerate.
3307         * testsuite/two_file_test_1_v1.cc: New test source file.
3308         * testsuite/two_file_test_1b_v1.cc: New test source file.
3309         * testsuite/two_file_test_2_v1.cc: New test source file.
3310
3311 2011-05-24 Cary Coutant  <ccoutant@google.com>
3312
3313         * dynobj.h (Dynobj::do_dynobj): New function.
3314         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3315         flag and soname for shared objects.
3316         * incremental.cc (Incremental_inputs::report_object): Make
3317         either Incremental_object_entry or Incremental_dynobj_entry; add
3318         soname to string table.
3319         (Incremental_inputs::report_input_section): Add assertion.
3320         (Output_section_incremental_inputs::set_final_data_size): Adjust
3321         type of input file entry for shared libraries; adjust size of
3322         shared library info entry.
3323         (Output_section_incremental_inputs::write_input_files): Write
3324         as_needed flag for shared libraries.
3325         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3326         of input file entry for shared libraries; write soname.
3327         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3328         soname from incremental info.
3329         * incremental.h (enum Incremental_input_flags): Add
3330         INCREMENTAL_INPUT_AS_NEEDED.
3331         (Incremental_input_entry::Incremental_input_entry): Initialize new
3332         data member.
3333         (Incremental_input_entry::set_as_needed): New function.
3334         (Incremental_input_entry::as_needed): New function.
3335         (Incremental_input_entry::do_dynobj_entry): New function.
3336         (Incremental_input_entry::as_needed_): New data member.
3337         (Incremental_object_entry::Incremental_object_entry): Don't check
3338         for shared library.
3339         (Incremental_object_entry::do_type): Likewise.
3340         (class Incremental_dynobj_entry): New class.
3341         (Incremental_input_entry_reader::as_needed): New function.
3342         (Incremental_input_entry_reader::get_soname): New function.
3343         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3344         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3345         size of shared library info entry.
3346         * layout.cc (Layout::finish_dynamic_section): Don't test for
3347         incremental link when adding DT_NEEDED entries.
3348         * object.h (Object::Object): Initialize new data member.
3349         (Object::dynobj): New function.
3350         (Object::set_as_needed): New function.
3351         (Object::as_needed): New function.
3352         (Object::do_dynobj): New function.
3353         (Object::as_needed_): New data member.
3354
3355 2011-05-24 Cary Coutant  <ccoutant@google.com>
3356
3357         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3358         info; adjust display of GOT entries.
3359         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3360         vector of input objects; remove file_status_.
3361         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3362         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3363         got_plt reader; call target hooks to reserve GOT entries.
3364         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3365         of input file info header and GOT info entry.
3366         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3367         relocation info.
3368         (Got_plt_view_info::got_descriptor): Remove.
3369         (Got_plt_view_info::sym_index): New data member.
3370         (Got_plt_view_info::input_index): New data member.
3371         (Local_got_offset_visitor::visit): Write input file index.
3372         (Global_got_offset_visitor::visit): Write 0 for input file index.
3373         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3374         with sym_index and input_index.
3375         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3376         incremental info GOT entry; replace got_descriptor with input_index.
3377         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3378         map from input file index to object.
3379         (Sized_relobj_incr::do_layout): Replace direct data member reference
3380         with accessor function.
3381         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3382         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3383         Adjust size of input file info header.
3384         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3385         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3386         (Incremental_input_entry_reader::get_input_section): Adjust size of
3387         input file info header.
3388         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3389         of incremental info GOT entry.
3390         (Incremental_got_plt_reader::get_got_desc): Remove.
3391         (Incremental_got_plt_reader::get_got_symndx): New function.
3392         (Incremental_got_plt_reader::get_got_input_index): New function.
3393         (Sized_incremental_binary::Sized_incremental_binary): Remove
3394         file_status_; add input_objects_.
3395         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3396         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3397         (Sized_incremental_binary::file_is_unchanged): Remove.
3398         (Sized_incremental_binary::set_input_object): New function.
3399         (Sized_incremental_binary::input_object): New function.
3400         (Sized_incremental_binary::file_status_): Remove.
3401         (Sized_incremental_binary::input_objects_): New data member.
3402         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3403         references.
3404         (Sized_relobj_incr::invalid_address): Move to base class.
3405         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3406         class.
3407         (Sized_relobj_incr::do_output_section_offset): Likewise.
3408         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3409         (Sized_relobj_incr::section_offsets_): Likewise.
3410         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3411         function.
3412         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3413         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3414         with accessor function.
3415         (Sized_relobj_file::do_layout): Likewise.
3416         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3417         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3418         (Sized_relobj_file::compute_final_local_value): Replace refs to
3419         section_offsets_ with accessor function.
3420         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3421         * object.h (Relobj::Relobj): Initialize new data members.
3422         (Relobj::add_dyn_reloc): New function.
3423         (Relobj::first_dyn_reloc): New function.
3424         (Relobj::dyn_reloc_count): New function.
3425         (Relobj::first_dyn_reloc_): New data member.
3426         (Relobj::dyn_reloc_count_): New data member.
3427         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3428         references.
3429         (Sized_relobj::Address): New typedef.
3430         (Sized_relobj::invalid_address): Move here from child class.
3431         (Sized_relobj::Sized_relobj): Initialize new data members.
3432         (Sized_relobj::sized_relobj): New function.
3433         (Sized_relobj::is_output_section_offset_invalid): Move here from
3434         child class.
3435         (Sized_relobj::get_output_section_offset): Likewise.
3436         (Sized_relobj::local_has_got_offset): Likewise.
3437         (Sized_relobj::local_got_offset): Likewise.
3438         (Sized_relobj::set_local_got_offset): Likewise.
3439         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3440         (Sized_relobj::clear_got_offsets): New function.
3441         (Sized_relobj::section_offsets): Move here from child class.
3442         (Sized_relobj::do_output_section_offset): Likewise.
3443         (Sized_relobj::do_set_section_offset): Likewise.
3444         (Sized_relobj::Local_got_offsets): Likewise.
3445         (Sized_relobj::local_got_offsets_): Likewise.
3446         (Sized_relobj::section_offsets_): Likewise.
3447         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3448         references.
3449         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3450         class.
3451         (Sized_relobj_file::sized_relobj): New function
3452         (Sized_relobj_file::local_has_got_offset): Move to base class.
3453         (Sized_relobj_file::local_got_offset): Likewise.
3454         (Sized_relobj_file::set_local_got_offset): Likewise.
3455         (Sized_relobj_file::get_output_section_offset): Likewise.
3456         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3457         (Sized_relobj_file::do_output_section_offset): Likewise.
3458         (Sized_relobj_file::do_set_section_offset): Likewise.
3459         (Sized_relobj_file::Local_got_offsets): Likewise.
3460         (Sized_relobj_file::local_got_offsets_): Likewise.
3461         (Sized_relobj_file::section_offsets_): Likewise.
3462         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3463         (all constructors).
3464         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3465         (Output_reloc::get_symbol_index): Likewise.
3466         (Output_reloc::local_section_offset): Likewise.
3467         (Output_reloc::get_address): Likewise.
3468         (Output_reloc::symbol_value): Likewise.
3469         (Output_data_got::reserve_slot): Move to class definition.
3470         (Output_data_got::reserve_local): New function.
3471         (Output_data_got::reserve_slot_for_global): Remove.
3472         (Output_data_got::reserve_global): New function.
3473         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3474         (all constructors, two instantiations).
3475         (Output_reloc::get_relobj): New function (two instantiations).
3476         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3477         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3478         (Output_data_reloc::add_global): Adjust type of relobj.
3479         (Output_data_reloc::add_global_relative): Likewise.
3480         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3481         (Output_data_reloc::add_local): Likewise.
3482         (Output_data_reloc::add_local_relative): Likewise.
3483         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3484         (Output_data_reloc::add_local_section): Likewise.
3485         (Output_data_reloc::add_output_section): Likewise.
3486         (Output_data_reloc::add_absolute): Likewise.
3487         (Output_data_reloc::add_target_specific): Likewise.
3488         (Output_data_got::reserve_slot): Move definition here.
3489         (Output_data_got::reserve_local): New function.
3490         (Output_data_got::reserve_global): New function.
3491         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3492         section_offsets_ with accessor function.
3493         (Sized_relobj_file::write_sections): Likewise.
3494         (Sized_relobj_file::do_relocate_sections): Likewise.
3495         * target.h (Sized_target::reserve_local_got_entry): New function.
3496         (Sized_target::reserve_global_got_entry): New function.
3497         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3498         (Target_x86_64::reserve_global_got_entry): New function.
3499         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3500
3501 2011-05-23 Cary Coutant  <ccoutant@google.com>
3502
3503         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3504         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3505         bit when checking got_type.
3506         * incremental.cc (Sized_incremental_binary::setup_readers):
3507         Store symbol table and string table locations; initialize bit vector
3508         of file status flags.
3509         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3510         unchanged files.
3511         (Sized_incremental_binary::do_process_got_plt): New function.
3512         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3513         (Output_section_incremental_inputs::set_final_data_size): Record
3514         file index for each input file.
3515         (Output_section_incremental_inputs::write_got_plt): Store file index
3516         instead of input entry offset for each GOT entry.
3517         * incremental.h
3518         (Incremental_input_entry::Incremental_input_entry): Initialize new
3519         data member.
3520         (Incremental_input_entry::set_offset): Store file index.
3521         (Incremental_input_entry::get_file_index): New function.
3522         (Incremental_input_entry::file_index_): New data member.
3523         (Incremental_binary::process_got_plt): New function.
3524         (Incremental_binary::do_process_got_plt): New function.
3525         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3526         data members.
3527         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3528         (Sized_incremental_binary::set_file_is_unchanged): New function.
3529         (Sized_incremental_binary::file_is_unchanged): New function.
3530         (Sized_incremental_binary::do_process_got_plt): New function.
3531         (Sized_incremental_binary::file_status_): New data member.
3532         (Sized_incremental_binary::main_symtab_loc_): New data member.
3533         (Sized_incremental_binary::main_strtab_loc_): New data member.
3534         * output.cc (Output_data_got::Got_entry::write): Add case
3535         RESERVED_CODE.
3536         (Output_data_got::add_global): Call add_got_entry.
3537         (Output_data_got::add_global_plt): Likewise.
3538         (Output_data_got::add_global_with_rel): Likewise.
3539         (Output_data_got::add_global_with_rela): Likewise.
3540         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3541         (Output_data_got::add_global_pair_with_rela): Likewise.
3542         (Output_data_got::add_local): Call add_got_entry.
3543         (Output_data_got::add_local_plt): Likewise.
3544         (Output_data_got::add_local_with_rel): Likewise.
3545         (Output_data_got::add_local_with_rela): Likewise.
3546         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3547         (Output_data_got::add_local_pair_with_rela): Likewise.
3548         (Output_data_got::reserve_slot): New function.
3549         (Output_data_got::reserve_slot_for_global): New function.
3550         (Output_data_got::add_got_entry): New function.
3551         (Output_data_got::add_got_entry_pair): New function.
3552         (Output_section::add_output_section_data): Edit FIXME.
3553         * output.h
3554         (Output_section_data_build::Output_section_data_build): New
3555         constructor with size parameter.
3556         (Output_data_space::Output_data_space): Likewise.
3557         (Output_data_got::Output_data_got): Initialize new data member; new
3558         constructor with size parameter.
3559         (Output_data_got::add_constant): Call add_got_entry.
3560         (Output_data_got::reserve_slot): New function.
3561         (Output_data_got::reserve_slot_for_global): New function.
3562         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3563         (Output_data_got::add_got_entry): New function.
3564         (Output_data_got::add_got_entry_pair): New function.
3565         (Output_data_got::free_list_): New data member.
3566         * target.h (Sized_target::init_got_plt_for_update): New function.
3567         (Sized_target::register_global_plt_entry): New function.
3568         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3569         Initialize new data member; call init; add constructor with PLT count.
3570         (Output_data_plt_x86_64::init): New function.
3571         (Output_data_plt_x86_64::add_relocation): New function.
3572         (Output_data_plt_x86_64::reserve_slot): New function.
3573         (Output_data_plt_x86_64::free_list_): New data member.
3574         (Target_x86_64::init_got_plt_for_update): New function.
3575         (Target_x86_64::register_global_plt_entry): New function.
3576         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3577         incremental updates.
3578         (Output_data_plt_x86_64::add_relocation): New function.
3579         * testsuite/object_unittest.cc (Object_test): Set default options.
3580
3581 2011-05-16  Ian Lance Taylor  <iant@google.com>
3582
3583         * options.h (class General_options): Make -i a synonym for -r.
3584
3585 2011-05-16  Ian Lance Taylor  <iant@google.com>
3586
3587         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3588
3589 2011-05-10 Cary Coutant  <ccoutant@google.com>
3590
3591         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3592         strip_all (-s).
3593
3594 2011-05-06  Ian Lance Taylor  <iant@google.com>
3595
3596         * layout.cc (Layout::layout): If the output section flags change,
3597         update the ordering.
3598
3599 2011-04-25 Cary Coutant  <ccoutant@google.com>
3600
3601         * incremental-dump.cc (dump_incremental_inputs): Print local
3602         symbol info for each input file.
3603         * incremental.cc
3604         (Output_section_incremental_inputs::set_final_data_size): Add local
3605         symbol info to input file entries in incremental info.
3606         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3607         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3608         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3609         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3610         implementation.
3611         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3612         (Sized_incr_relobj::do_relocate): Write the local symbols.
3613         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3614         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3615         Adjust size of input file header.
3616         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3617         (Incremental_inputs_reader::get_local_symbol_count): New function.
3618         (Incremental_inputs_reader::get_input_section): Adjust size of input
3619         file header.
3620         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3621         (Sized_incr_relobj::This): New typedef.
3622         (Sized_incr_relobj::sym_size): New const data member.
3623         (Sized_incr_relobj::Local_symbol): New struct.
3624         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3625         (Sized_incr_relobj::do_local_symbol_offset): New function.
3626         (Sized_incr_relobj::local_symbol_count_): New data member.
3627         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3628         (Sized_incr_relobj::local_symbol_index_): New data member.
3629         (Sized_incr_relobj::local_symbol_offset_): New data member.
3630         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3631         (Sized_incr_relobj::local_symbols_): New data member.
3632         * object.h (Relobj::output_local_symbol_count): New function.
3633         (Relobj::local_symbol_offset): New function.
3634         (Relobj::do_output_local_symbol_count): New function.
3635         (Relobj::do_local_symbol_offset): New function.
3636         (Sized_relobj::do_output_local_symbol_count): New function.
3637         (Sized_relobj::do_local_symbol_offset): New function.
3638
3639 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3640
3641         * descriptors.cc (set_close_on_exec): New function.
3642         (Descriptors::open): Use set_close_on_exec.
3643         * output.cc (S_ISLNK): Define if not defined.
3644
3645 2011-04-22 Cary Coutant  <ccoutant@google.com>
3646
3647         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3648         global symbol map.
3649         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3650         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3651         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3652         relocations.
3653         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3654         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3655         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3656         * incremental.h
3657         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3658         function.
3659         (Incremental_binary::apply_incremental_relocs): New function.
3660         (Incremental_binary::do_apply_incremental_relocs): New function.
3661         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3662         data member.
3663         (Sized_incremental_binary::add_global_symbol): New function.
3664         (Sized_incremental_binary::global_symbol): New function.
3665         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3666         (Sized_incremental_binary::symbol_map_): New data member.
3667         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3668         * target.h (Sized_target::apply_relocation): New function.
3669         * target-reloc.h (apply_relocation): New function.
3670         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3671
3672 2011-04-22  Doug Kwan  <dougkwan@google.com>
3673
3674         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3675         flag of a SHT_ARM_EXIDX section.
3676         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3677         * testsuite/Makefile.in: Regenerate.
3678         * testsuite/arm_exidx_test.s: New file.
3679         * testsuite/arm_exidx_test.sh: Same.
3680
3681 2011-04-20 Cary Coutant  <ccoutant@google.com>
3682
3683         PR gold/12689
3684         * archive.h (Incremental_archive_entry::Archive_member):
3685         Initialize arg_serial_ (second constructor).
3686
3687 2011-04-17  Ian Lance Taylor  <iant@google.com>
3688
3689         * object.cc (Relocate_info::location): Simplify location string.
3690         * errors.cc (Errors::error_at_location): Don't print program
3691         name.
3692         (Errors::warning_at_location): Likewise.
3693         (Errors::undefined_symbol): Likewise.
3694         * testsuite/debug_msg.sh: Update accordingly.
3695
3696 2011-04-14 Cary Coutant  <ccoutant@google.com>
3697
3698         * gold/layout.cc (Layout::symtab_section_offset): New function.
3699         * gold/layout.h (Layout::symtab_section_offset): New function.
3700         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3701
3702 2011-04-12  Ian Lance Taylor  <iant@google.com>
3703
3704         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3705         with MREMAP_MAYMOVE.
3706         * output.h (class Output_file): Add map_is_allocated_ field.
3707         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3708         not available, provide stubs.  If mremap is not available, #define
3709         it to gold_mremap.
3710         (MREMAP_MAYMOVE): Define if not defined.
3711         (Output_file::Output_file): Initialize map_is_allocated_.
3712         (Output_file::resize): Check map_is_allocated_.
3713         (Output_file::map_anonymous): If mmap fails, use malloc.
3714         (Output_file::unmap): Don't do anything for an anonymous map.
3715         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3716         is not available, provide stubs.
3717         (File_read::View::~View): Use free rather than delete[].
3718         (File_read::make_view): Use malloc rather than new[].  If mmap
3719         fails, use malloc.
3720         (File_read::find_or_make_view): Use malloc rather than new[].
3721         * gold.h: Remove HAVE_REMAP code.
3722         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3723         exists.  Rename mremap to gold_mremap.  If mmap is not available
3724         don't do anything.
3725         * configure, config.in: Rebuild.
3726
3727 2011-04-11  Ian Lance Taylor  <iant@google.com>
3728
3729         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3730         initialize local variable v.
3731
3732 2011-04-11  Cary Coutant  <ccoutant@google.com>
3733
3734         * archive.cc (Archive::include_member): Adjust call to
3735         report_object.
3736         (Add_archive_symbols::run): Track argument serial numbers.
3737         (Lib_group::include_member): Likewise.
3738         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3739         * archive.h (Incremental_archive_entry::Archive_member):
3740         Initialize arg_serial_.
3741         (Archive_member::arg_serial_): New data member.
3742         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3743         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3744         incremental link.
3745         (Sized_dynobj::do_for_all_local_got_entries): New function.
3746         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3747         function.
3748         * fileread.cc (get_mtime): New function.
3749         * fileread.h (get_mtime): New function.
3750         * gold.cc (queue_initial_tasks): Check for incremental update.
3751         (process_incremental_input): New function.
3752         (queue_middle_tasks): Don't force valid target for incremental
3753         update.
3754         * incremental-dump.cc (find_input_containing_global): Adjust
3755         size of symbol info entry.
3756         (dump_incremental_inputs): Dump argument serial number and
3757         in_system_directory flag; bias shndx by 1; print symbol names
3758         when dumping per-file symbol lists; use new symbol info readers.
3759         * incremental.cc
3760         (Output_section_incremental_inputs:update_data_size): New function.
3761         (Sized_incremental_binary::setup_readers): Setup input readers
3762         for each input file; build maps for files added from libraries
3763         and scripts.
3764         (Sized_incremental_binary::check_input_args): New function.
3765         (Sized_incremental_binary::do_check_inputs): Build map of argument
3766         serial numbers to input arguments.
3767         (Sized_incremental_binary::do_file_has_changed): Rename
3768         do_file_is_unchanged to this; compare file modification times.
3769         (Sized_incremental_binary::do_init_layout): New function.
3770         (Sized_incremental_binary::do_reserve_layout): New function.
3771         (Sized_incremental_binary::do_get_input_reader): Remove.
3772         (Sized_incremental_binary::get_symtab_view): New function.
3773         (Incremental_checker::can_incrementally_link_output_file): Remove.
3774         (Incremental_inputs::report_command_line): Exclude --debug options.
3775         (Incremental_inputs::report_archive_begin): Add parameter; track
3776         argument serial numbers; don't put input file entry for archive
3777         before archive members.
3778         (Incremental_inputs::report_archive_end): Put input file entry
3779         for archive after archive members.
3780         (Incremental_inputs::report_object): Add parameter; track argument
3781         serial numbers and in_system_directory flag.
3782         (Incremental_inputs::report_script): Add parameter; track argument
3783         serial numbers.
3784         (Output_section_incremental_inputs::set_final_data_size): Adjust
3785         size of symbol info entry; check for forwarding symbols.
3786         (Output_section_incremental_inputs::write_input_files): Write
3787         in_system_directory flag and argument serial number.
3788         (Output_section_incremental_inputs::write_info_blocks): Map section
3789         indices between incremental info and original input file; store
3790         input section index for each symbol.
3791         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3792         change operator() to visit().
3793         (class Global_got_offset_visitor): Likewise.
3794         (class Global_symbol_visitor_got_plt):
3795         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3796         classes.
3797         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3798         (Sized_incr_relobj::do_read_symbols): New function.
3799         (Sized_incr_relobj::do_layout): New function.
3800         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3801         (Sized_incr_relobj::do_add_symbols): New function.
3802         (Sized_incr_relobj::do_should_include_member): New function.
3803         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3804         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3805         (Sized_incr_relobj::do_section_size): New function.
3806         (Sized_incr_relobj::do_section_name): New function.
3807         (Sized_incr_relobj::do_section_contents): New function.
3808         (Sized_incr_relobj::do_section_flags): New function.
3809         (Sized_incr_relobj::do_section_entsize): New function.
3810         (Sized_incr_relobj::do_section_address): New function.
3811         (Sized_incr_relobj::do_section_type): New function.
3812         (Sized_incr_relobj::do_section_link): New function.
3813         (Sized_incr_relobj::do_section_info): New function.
3814         (Sized_incr_relobj::do_section_addralign): New function.
3815         (Sized_incr_relobj::do_initialize_xindex): New function.
3816         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3817         (Sized_incr_relobj::do_read_relocs): New function.
3818         (Sized_incr_relobj::do_gc_process_relocs): New function.
3819         (Sized_incr_relobj::do_scan_relocs): New function.
3820         (Sized_incr_relobj::do_count_local_symbols): New function.
3821         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3822         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3823         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3824         (Sized_incr_relobj::do_relocate): New function.
3825         (Sized_incr_relobj::do_set_section_offset): New function.
3826         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3827         (Sized_incr_dynobj::do_read_symbols): New function.
3828         (Sized_incr_dynobj::do_layout): New function.
3829         (Sized_incr_dynobj::do_add_symbols): New function.
3830         (Sized_incr_dynobj::do_should_include_member): New function.
3831         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3832         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3833         (Sized_incr_dynobj::do_section_size): New function.
3834         (Sized_incr_dynobj::do_section_name): New function.
3835         (Sized_incr_dynobj::do_section_contents): New function.
3836         (Sized_incr_dynobj::do_section_flags): New function.
3837         (Sized_incr_dynobj::do_section_entsize): New function.
3838         (Sized_incr_dynobj::do_section_address): New function.
3839         (Sized_incr_dynobj::do_section_type): New function.
3840         (Sized_incr_dynobj::do_section_link): New function.
3841         (Sized_incr_dynobj::do_section_info): New function.
3842         (Sized_incr_dynobj::do_section_addralign): New function.
3843         (Sized_incr_dynobj::do_initialize_xindex): New function.
3844         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3845         (make_sized_incremental_object): New function.
3846         (Incremental_library::copy_unused_symbols): New function.
3847         (Incremental_library::do_for_all_unused_symbols): New function.
3848         * incremental.h (enum Incremental_input_flags): New type.
3849         (class Incremental_checker): Remove.
3850         (Incremental_input_entry::Incremental_input_entry): Add argument
3851         serial number.
3852         (Incremental_input_entry::arg_serial): New function.
3853         (Incremental_input_entry::set_is_in_system_directory): New function.
3854         (Incremental_input_entry::is_in_system_directory): New function.
3855         (Incremental_input_entry::arg_serial_): New data member.
3856         (Incremental_input_entry::is_in_system_directory_): New data member.
3857         (class Script_info): Move here from script.h.
3858         (Script_info::Script_info): Add filename parameter.
3859         (Script_info::filename): New function.
3860         (Script_info::filename_): New data member.
3861         (Incremental_script_entry::Incremental_script_entry): Add argument
3862         serial number.
3863         (Incremental_object_entry::Incremental_object_entry): Likewise.
3864         (Incremental_object_entry::add_input_section): Build list of input
3865         sections with map to original shndx.
3866         (Incremental_object_entry::get_input_section_index): New function.
3867         (Incremental_object_entry::shndx_): New data member.
3868         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3869         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3870         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3871         serial number.
3872         (Incremental_inputs::report_archive_begin): Likewise.
3873         (Incremental_inputs::report_object): Likewise.
3874         (Incremental_inputs::report_script): Likewise.
3875         (class Incremental_global_symbol_reader): New class.
3876         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3877         and store flags and input file type.
3878         (Incremental_input_entry_reader::arg_serial): New function.
3879         (Incremental_input_entry_reader::type): Extract type from flags.
3880         (Incremental_input_entry_reader::is_in_system_directory): New function.
3881         (Incremental_input_entry_reader::get_input_section_count): Call
3882         accessor function for type.
3883         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3884         function for type; adjust size of global symbol entry.
3885         (Incremental_input_entry_reader::get_global_symbol_count): Call
3886         accessor function for type.
3887         (Incremental_input_entry_reader::get_object_count): Likewise.
3888         (Incremental_input_entry_reader::get_object_offset): Likewise.
3889         (Incremental_input_entry_reader::get_member_count): Likewise.
3890         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3891         (Incremental_input_entry_reader::get_member_offset): Likewise.
3892         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3893         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3894         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3895         (Incremental_input_entry_reader::get_global_symbol_reader): New
3896         function.
3897         (Incremental_input_entry_reader::get_output_symbol_index): New
3898         function.
3899         (Incremental_input_entry_reader::type_): Remove.
3900         (Incremental_input_entry_reader::flags_): New data member.
3901         (Incremental_inputs_reader::input_file_offset): New function.
3902         (Incremental_inputs_reader::input_file_index): New function.
3903         (Incremental_inputs_reader::input_file): Call input_file_offset.
3904         (Incremental_inputs_reader::input_file_at_offset): New function.
3905         (Incremental_relocs_reader::get_r_type): Reformat.
3906         (Incremental_relocs_reader::get_r_shndx): Reformat.
3907         (Incremental_relocs_reader::get_r_offset): Reformat.
3908         (Incremental_relocs_reader::data): New function.
3909         (Incremental_binary::Incremental_binary): Initialize new data members.
3910         (Incremental_binary::check_inputs): Add cmdline parameter.
3911         (Incremental_binary::file_is_unchanged): Remove.
3912         (Input_reader::arg_serial): New function.
3913         (Input_reader::get_unused_symbol_count): New function.
3914         (Input_reader::get_unused_symbol): New function.
3915         (Input_reader::do_arg_serial): New function.
3916         (Input_reader::do_get_unused_symbol_count): New function.
3917         (Input_reader::do_get_unused_symbol): New function.
3918         (Incremental_binary::input_file_count): New function.
3919         (Incremental_binary::get_input_reader): Change signature to use
3920         index instead of filename.
3921         (Incremental_binary::file_has_changed): New function.
3922         (Incremental_binary::get_input_argument): New function.
3923         (Incremental_binary::get_library): New function.
3924         (Incremental_binary::get_script_info): New function.
3925         (Incremental_binary::init_layout): New function.
3926         (Incremental_binary::reserve_layout): New function.
3927         (Incremental_binary::output_file): New function.
3928         (Incremental_binary::do_check_inputs): New function.
3929         (Incremental_binary::do_file_is_unchanged): Remove.
3930         (Incremental_binary::do_file_has_changed): New function.
3931         (Incremental_binary::do_init_layout): New function.
3932         (Incremental_binary::do_reserve_layout): New function.
3933         (Incremental_binary::do_input_file_count): New function.
3934         (Incremental_binary::do_get_input_reader): Change signature.
3935         (Incremental_binary::input_args_map_): New data member.
3936         (Incremental_binary::library_map_): New data member.
3937         (Incremental_binary::script_map_): New data member.
3938         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3939         new data members.
3940         (Sized_incremental_binary::output_section): New function.
3941         (Sized_incremental_binary::inputs_reader): Add const.
3942         (Sized_incremental_binary::symtab_reader): Add const.
3943         (Sized_incremental_binary::relocs_reader): Add const.
3944         (Sized_incremental_binary::got_plt_reader): Add const.
3945         (Sized_incremental_binary::get_symtab_view): New function.
3946         (Sized_incremental_binary::Inputs_reader): New typedef.
3947         (Sized_incremental_binary::Input_entry_reader): New typedef.
3948         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3949         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3950         (Sized_incremental_binary::do_file_has_changed): New function.
3951         (Sized_incremental_binary::do_init_layout): New function.
3952         (Sized_incremental_binary::do_reserve_layout): New function.
3953         (Sized_input_reader::Inputs_reader): Remove.
3954         (Sized_input_reader::Input_entry_reader): Remove.
3955         (Sized_input_reader::do_arg_serial): New function.
3956         (Sized_input_reader::do_get_unused_symbol_count): New function.
3957         (Sized_input_reader::do_get_unused_symbol): New function.
3958         (Sized_incremental_binary::do_input_file_count): New function.
3959         (Sized_incremental_binary::do_get_input_reader): Change signature;
3960         use index instead of filename.
3961         (Sized_incremental_binary::section_map_): New data member.
3962         (Sized_incremental_binary::input_entry_readers_): New data member.
3963         (class Sized_incr_relobj): New class.
3964         (class Sized_incr_dynobj): New class.
3965         (make_sized_incremental_object): New function.
3966         (class Incremental_library): New class.
3967         * layout.cc (Free_list::num_lists): New static data member.
3968         (Free_list::num_nodes): New static data member.
3969         (Free_list::num_removes): New static data member.
3970         (Free_list::num_remove_visits): New static data member.
3971         (Free_list::num_allocates): New static data member.
3972         (Free_list::num_allocate_visits): New static data member.
3973         (Free_list::init): New function.
3974         (Free_list::remove): New function.
3975         (Free_list::allocate): New function.
3976         (Free_list::dump): New function.
3977         (Free_list::print_stats): New function.
3978         (Layout_task_runner::run): Resize output file for incremental updates.
3979         (Layout::Layout): Initialize new data members.
3980         (Layout::set_incremental_base): New function.
3981         (Layout::init_fixed_output_section): New function.
3982         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3983         incremental updates.
3984         (Layout::create_gold_note): Do not create gold note section for
3985         incremental updates.
3986         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3987         for incremental updates.
3988         (Layout::set_section_offsets): For incremental updates, allocate space
3989         from free list.
3990         (Layout::create_symtab_sections): Layout with offsets relative to
3991         start of section; for incremental updates, allocate space from free
3992         list.
3993         (Layout::create_shdrs): For incremental updates, allocate space from
3994         free list.
3995         (Layout::finish_dynamic_section): For incremental updates, do not
3996         check --as-needed (fixed in subsequent patch).
3997         * layout.h (class Free_list): New class.
3998         (Layout::set_incremental_base): New function.
3999         (Layout::incremental_base): New function.
4000         (Layout::init_fixed_output_section): New function.
4001         (Layout::allocate): New function.
4002         (Layout::incremental_base_): New data member.
4003         (Layout::free_list_): New data member.
4004         * main.cc (main): Print Free_list statistics.
4005         * object.cc (Relobj::finalize_incremental_relocs): Add
4006         clear_counts parameter; clear counts only when clear_counts is set.
4007         (Sized_relobj::Sized_relobj): Initialize new base class.
4008         (Sized_relobj::do_layout): Don't report special sections.
4009         (Sized_relobj::do_for_all_local_got_entries): New function.
4010         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4011         symtab_off to all symbol table offsets.
4012         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4013         * object.h (class Got_offset_list): Move to top of file.
4014         (Object::Object): Allow case where input_file == NULL.
4015         (Object::~Object): Likewise.
4016         (Object::input_file): Assert that input_file != NULL.
4017         (Object::lock): Allow case where input_file == NULL.
4018         (Object::unlock): Likewise.
4019         (Object::is_locked): Likewise.
4020         (Object::token): Likewise.
4021         (Object::release): Likewise.
4022         (Object::is_incremental): New function.
4023         (Object::get_mtime): New function.
4024         (Object::for_all_local_got_entries): New function.
4025         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4026         (Object::set_is_in_system_directory): New function.
4027         (Object::is_in_system_directory): New function.
4028         (Object::do_is_incremental): New function.
4029         (Object::do_get_mtime): New function.
4030         (Object::do_for_all_local_got_entries): New function.
4031         (Object::is_in_system_directory_): New data member.
4032         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4033         (class Sized_relobj_base): New class.
4034         (class Sized_relobj): Derive from Sized_relobj_base.
4035         (class Sized_relobj::Symbols): Redeclare from base class.
4036         (class Sized_relobj::local_got_offset_list): Remove.
4037         (class Sized_relobj::Output_sections): Redeclare from base class.
4038         (class Sized_relobj::do_for_all_local_got_entries): New function.
4039         (class Sized_relobj::write_local_symbols): Add offset parameter.
4040         (class Sized_relobj::local_symbol_offset_): Update comment.
4041         (class Sized_relobj::local_dynsym_offset_): Update comment.
4042         * options.cc (Input_arguments::add_file): Remove const.
4043         * options.h (Input_file_argument::Input_file_argument):
4044         Initialize arg_serial_ (all constructors).
4045         (Input_file_argument::set_arg_serial): New function.
4046         (Input_file_argument::arg_serial): New function.
4047         (Input_file_argument::arg_serial_): New data member.
4048         (Input_arguments::Input_arguments): Initialize file_count_.
4049         (Input_arguments::add_file): Remove const.
4050         (Input_arguments::number_of_input_files): New function.
4051         (Input_arguments::file_count_): New data member.
4052         (Command_line::number_of_input_files): Call
4053         Input_arguments::number_of_input_files.
4054         * output.cc (Output_segment_headers::Output_segment_headers):
4055         Set current size.
4056         (Output_section::Input_section::current_data_size): New function.
4057         (Output_section::Output_section): Initialize new data members.
4058         (Output_section::add_input_section): Don't do merge sections for
4059         an incremental link; allocate space from free list for an
4060         incremental update.
4061         (Output_section::add_output_section_data): Allocate space from
4062         free list for an incremental update.
4063         (Output_section::update_data_size): New function.
4064         (Output_section::set_fixed_layout): New function.
4065         (Output_section::reserve): New function.
4066         (Output_segment::set_section_addresses): Remove const.
4067         (Output_segment::set_section_list_addresses): Remove const; allocate
4068         space from free list for an incremental update.
4069         (Output_segment::set_offset): Adjust size of RELRO segment for an
4070         incremental update.
4071         * output.h (Output_data::current_data_size): Move here from
4072         child classes.
4073         (Output_data::pre_finalize_data_size): New function.
4074         (Output_data::update_data_size): New function.
4075         (Output_section_headers::update_data_size): new function.
4076         (Output_section_data_build::current_data_size): Move to Output_data.
4077         (Output_data_strtab::update_data_size): New function.
4078         (Output_section::current_data_size): Move to Output_data.
4079         (Output_section::set_fixed_layout): New function.
4080         (Output_section::has_fixed_layout): New function.
4081         (Output_section::reserve): New function.
4082         (Output_section::update_data_size): New function.
4083         (Output_section::has_fixed_layout_): New data member.
4084         (Output_section::free_list_): New data member.
4085         (Output_segment::set_section_addresses): Remove const.
4086         (Output_segment::set_section_list_addresses): Remove const.
4087         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4088         New function.
4089         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4090         New function.
4091         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4092         parameter when calling Add_symbols constructor; store argument
4093         serial number for members of a lib group.
4094         (Add_symbols::locks): Allow case where token == NULL.
4095         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4096         (Read_member::~Read_member): New function.
4097         (Read_member::is_runnable): New function.
4098         (Read_member::locks): New function.
4099         (Read_member::run): New function.
4100         (Check_script::~Check_script): New function.
4101         (Check_script::is_runnable): New function.
4102         (Check_script::locks): New function.
4103         (Check_script::run): New function.
4104         (Check_library::~Check_library): New function.
4105         (Check_library::is_runnable): New function.
4106         (Check_library::locks): New function.
4107         (Check_library::run): New function.
4108         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4109         (Add_symbols::library_): New data member.
4110         (class Read_member): New class.
4111         (class Check_script): New class.
4112         (class Check_library): New class.
4113         * reloc.cc (Read_relocs::is_runnable): Allow case where
4114         token == NULL.
4115         (Read_relocs::locks): Likewise.
4116         (Scan_relocs::locks): Likewise.
4117         (Relocate_task::locks): Likewise.
4118         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4119         to clear counters.
4120         (Sized_relobj::incremental_relocs_scan): Fix comment.
4121         (Sized_relobj::do_relocate): Pass output file offset to
4122         write_local_symbols.
4123         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4124         from class declaration.
4125         * script.cc (read_input_script): Allocate Script_info; pass
4126         argument serial number to report_script.
4127         * script.h (class Script_info): Move to incremental.h.
4128         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4129         * symtab.h (Symbol_table::add_from_incrobj): New function.
4130         (Symbol_table::set_file_offset): New function.
4131
4132 2011-04-05  Cary Coutant  <ccoutant@google.com>
4133
4134         * incremental-dump.cc (dump_incremental_inputs): Change signature
4135         to take a Sized_incremental_binary; change caller.  Use readers
4136         in Sized_incremental_binary.
4137         * incremental.cc
4138         (Sized_incremental_binary::find_incremental_inputs_sections):
4139         Rename do_find_incremental_inputs_sections to this.
4140         (Sized_incremental_binary::setup_readers): New function.
4141         (Sized_incremental_binary::do_check_inputs): Check
4142         has_incremental_info_ flag; move setup code to setup_readers;
4143         use input readers.
4144         (Sized_incremental_binary::do_file_is_unchanged): New function.
4145         (Sized_incremental_binary::do_get_input_reader): New function.
4146         * incremental.h (class Incremental_binary): Move to end of file.
4147         (Incremental_binary::file_is_unchanged): New function.
4148         (Incremental_binary::do_file_is_unchanged): New function.
4149         (Incremental_binary::Input_reader): New class.
4150         (Incremental_binary::get_input_reader): New function.
4151         (class Sized_incremental_binary): Move to end of file.
4152         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4153         input section reader classes.
4154         (Sized_incremental_binary::has_incremental_info): New function.
4155         (Sized_incremental_binary::inputs_reader): New function.
4156         (Sized_incremental_binary::symtab_reader): New function.
4157         (Sized_incremental_binary::relocs_reader): New function.
4158         (Sized_incremental_binary::got_plt_reader): New function.
4159         (Sized_incremental_binary::do_file_is_unchanged): New function.
4160         (Sized_incremental_binary::Sized_input_reader): New class.
4161         (Sized_incremental_binary::get_input_reader): New function.
4162         (Sized_incremental_binary::find_incremental_inputs_sections):
4163         Rename do_find_incremental_inputs_sections to this.
4164         (Sized_incremental_binary::setup_readers): New function.
4165         (Sized_incremental_binary::has_incremental_info_): New data member.
4166         (Sized_incremental_binary::inputs_reader_): New data member.
4167         (Sized_incremental_binary::symtab_reader_): New data member.
4168         (Sized_incremental_binary::relocs_reader_): New data member.
4169         (Sized_incremental_binary::got_plt_reader_): New data member.
4170         (Sized_incremental_binary::current_input_file_): New data member.
4171
4172 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4173
4174         PR gold/12640
4175         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4176         violation.
4177
4178 2011-03-30  Cary Coutant  <ccoutant@google.com>
4179
4180         * archive.cc (Archive::include_member): Adjust call to report_object.
4181         (Add_archive_symbols::run): Add script_info to call to
4182         report_archive_begin.
4183         (Lib_group::include_member): Adjust call to report_object.
4184         (Add_lib_group_symbols::run): Adjust call to report_object.
4185         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4186         blocks.  Add object count for script input files.
4187         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4188         script_info parameter; change all callers.
4189         (Incremental_inputs::report_object): Add script_info parameter;
4190         change all callers.
4191         (Incremental_inputs::report_script): Store backpointer to
4192         incremental info entry.
4193         (Output_section_incremental_inputs::set_final_data_size): Record
4194         additional information for scripts.
4195         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4196         * incremental.h (Incremental_script_entry::add_object): New function.
4197         (Incremental_script_entry::get_object_count): New function.
4198         (Incremental_script_entry::get_object): New function.
4199         (Incremental_script_entry::objects_): New data member; adjust
4200         constructor.
4201         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4202         (Incremental_inputs::report_object): Add script_info parameter.
4203         (Incremental_inputs_reader::get_object_count): New function.
4204         (Incremental_inputs_reader::get_object_offset): New function.
4205         * options.cc (Input_arguments::add_file): Return reference to
4206         new input argument.
4207         * options.h (Input_argument::set_script_info): New function.
4208         (Input_argument::script_info): New function.
4209         (Input_argument::script_info_): New data member; adjust all
4210         constructors.
4211         (Input_file_group::add_file): Return reference to new input argument.
4212         (Input_file_lib::add_file): Likewise.
4213         (Input_arguments::add_file): Likewise.
4214         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4215         * script.cc (Parser_closure::Parser_closure): Add script_info
4216         parameter; adjust all callers.
4217         (Parser_closure::script_info): New function.
4218         (Parser_closure::script_info_): New data member.
4219         (read_input_script): Report scripts earlier to incremental info.
4220         (script_add_file): Set script_info in Input_argument.
4221         (script_add_library): Likewise.
4222         * script.h (Script_options::Script_info): Rewrite class.
4223
4224 2011-03-29  Cary Coutant  <ccoutant@google.com>
4225
4226         * archive.cc (Library_base::should_include_member): Move
4227         method here from class Archive.
4228         (Archive::Archive): Initialize base class.
4229         (Archive::should_include_member): Move to base class.
4230         (Archive::do_for_all_unused_symbols): New function.
4231         (Add_archive_symbols::run): Remove redundant access to
4232         incremental_inputs.
4233         (Lib_group::Lib_group): Initialize base class.
4234         (Lib_group::do_filename): New function.
4235         (Lib_group::include_member): Pass pointer to Lib_group to
4236         report_object.
4237         (Lib_group::do_for_all_unused_symbols): New function.
4238         (Add_lib_group_symbols::run): Report archive information for
4239         incremental links.
4240         * archive.h (class Library_base): New base class.
4241         (class Archive): Derive from Library_base.
4242         (Archive::filename): Move to base class.
4243         (Archive::set_incremental_info): Likewise.
4244         (Archive::incremental_info): Likewise.
4245         (Archive::Should_include): Likewise.
4246         (Archive::should_include_member): Likewise.
4247         (Archive::Armap_entry): Remove.
4248         (Archive::Unused_symbol_iterator): Remove.
4249         (Archive::unused_symbols_begin): Remove.
4250         (Archive::unused_symbols_end): Remove.
4251         (Archive::do_filename): New function.
4252         (Archive::do_get_mtime): New function.
4253         (Archive::do_for_all_unused_symbols): New function.
4254         (Archive::task_): Move to base class.
4255         (Archive::incremental_info_): Likewise.
4256         (class Lib_group): Derive from Library_base.
4257         (Lib_group::do_filename): New function.
4258         (Lib_group::do_get_mtime): New function.
4259         (Lib_group::do_for_all_unused_symbols): New function.
4260         (Lib_group::task_): Move to base class.
4261         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4262         function.
4263         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4264         function.
4265         * incremental.cc (Incremental_inputs::report_archive_begin):
4266         Use Library_base; call library's get_mtime; add incremental inputs
4267         entry before members.
4268         (class Unused_symbol_visitor): New class.
4269         (Incremental_inputs::report_archive_end): Use Library_base; use
4270         visitor class to record unused symbols; don't add incremental inputs
4271         entry after members.
4272         (Incremental_inputs::report_object): Use Library_base.
4273         * incremental.h
4274         (Incremental_archive_entry::Incremental_archive_entry): Remove
4275         unused Archive parameter.
4276         (Incremental_inputs::report_archive_begin): Use Library_base.
4277         (Incremental_inputs::report_archive_end): Likewise.
4278         (Incremental_inputs::report_object): Likewise.
4279         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4280         function.
4281         * object.h (Object::for_all_global_symbols): New function.
4282         (Object::do_for_all_global_symbols): New function.
4283         (Sized_relobj::do_for_all_global_symbols): New function.
4284         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4285         function.
4286         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4287         function.
4288
4289 2011-03-27  Ian Lance Taylor  <iant@google.com>
4290
4291         * archive.cc (Archive::interpret_header): Return -1 if something
4292         goes wrong.  Change callers accordingly.
4293
4294 2011-03-25  Cary Coutant  <ccoutant@google.com>
4295
4296         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4297         * testsuite/Makefile.in: Regenerate.
4298
4299 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4300
4301         * plugin.cc (get_view): New.
4302         (Plugin::load): Pass get_view to the plugin.
4303         (Plugin_manager::get_view): New.
4304
4305 2011-03-21  Ian Lance Taylor  <iant@google.com>
4306
4307         * testsuite/final_layout.sh: Rewrite to not use dc.
4308         * testsuite/relro_test.sh: Fail if dc is not present.
4309
4310 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4311
4312         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4313         Change == to -eq.
4314         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4315         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4316         Change == to -eq.
4317         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4318         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4319
4320 2011-03-14  Ian Lance Taylor  <iant@google.com>
4321
4322         * script-sections.cc (Sort_output_sections::script_compare):
4323         Rename from is_before, change return type.
4324         (Sort_output_sections::operator()): Adjust accordingly.
4325
4326 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4327
4328         PR gold/12572
4329         * testsuite/odr_violation2.cc: Add comment to make all error line
4330         numbers double digits.
4331         * testsuite/debug_msg.sh: Adjust expected errors.
4332
4333 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4334
4335         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4336         but mark earlier ones as non-canonical
4337         (offset_to_iterator): Update search target and example
4338         (do_addr2line): Return extra lines in a vector*
4339         (format_file_lineno): Extract from do_addr2line
4340         (one_addr2line): Add vector* out-param
4341         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4342         when a lineno entry appeared last for its instruction
4343         (Dwarf_line_info): Add vector* out-param
4344         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4345         * symtab.cc (Odr_violation_compare): Include the lineno in the
4346         comparison again.
4347         (linenos_from_loc): New. Combine the canonical line for an
4348         address with its other lines.
4349         (True_if_intersect): New. Helper functor to make
4350         std::set_intersection a query.
4351         (detect_odr_violations): Compare sets of lines instead of just
4352         one line for each function. This became less deterministic, but
4353         has fewer false positives.
4354         * symtab.h: Declarations.
4355         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4356         mix an optimized and non-optimized object in the same binary
4357         (odr_violation2.so): Same.
4358         * testsuite/Makefile.in: Regenerate from Makefile.am.
4359         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4360         * testsuite/debug_msg.sh: Update line numbers and add
4361         assertions.
4362         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4363         non-optimized context.
4364         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4365         isn't inlined, and use OdrDerived in an optimized context.
4366         * testsuite/odr_header1.h: Defines OdrDerived, where
4367         optimization will change the
4368         first-instruction-in-the-destructor's file and line number.
4369         * testsuite/odr_header2.h: Defines OdrBase.
4370
4371 2011-03-09  Ian Lance Taylor  <iant@google.com>
4372
4373         * fileread.cc (File_read::clear_views): Don't delete the whole
4374         file view.
4375
4376 2011-03-08  Ian Lance Taylor  <iant@google.com>
4377
4378         PR gold/12525
4379         * fileread.cc: #include <climits>.
4380         (GOLD_IOV_MAX): Define.
4381         (File_read::read_multiple): Limit number of entries by iov_max.
4382         * fileread.h (class File_read): Always set max_readv_entries to
4383         128.
4384
4385 2011-03-07  Ian Lance Taylor  <iant@google.com>
4386
4387         PR gold/12525
4388         * options.h (class General_options): Add -dy and -dn.
4389
4390 2011-03-02  Cary Coutant  <ccoutant@google.com>
4391
4392         * testsuite/script_test_9.t: Add TLS segment.
4393
4394 2011-03-02  Simon Baldwin  <simonb@google.com>
4395
4396         * configure.ac: Add check for gnu_indirect_function support in
4397         the toolchain building binutils.
4398         * configure: Rebuild.
4399
4400 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4401
4402         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4403         plugin only symbols.
4404         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4405         in plugin files as not needed in the symbol table.
4406
4407 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4408
4409         * output.cc (Output_section::add_input_section): Delay fill
4410         generation for section ordering.
4411
4412 2011-02-09  Ian Lance Taylor  <iant@google.com>
4413
4414         PR gold/12316
4415         * object.h (class Sized_relobj): Remove clear_local_symbols.
4416         * reloc.cc (Sized_relobj::do_relocate): Don't call
4417         clear_local_symbols.
4418
4419 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4420
4421         * plugin.cc (is_visible_from_outside): Return true for symbols
4422         in the -u option.
4423
4424 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4425
4426         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4427         filename.
4428
4429 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4430
4431         * icf.h (is_section_foldable_candidate): Change type of parameter
4432         to std::string.
4433         * icf.cc (Icf::find_identical_sections): Change type of local variable
4434         section_name to be std::string.
4435         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4436
4437 2011-01-25  Ian Lance Taylor  <iant@google.com>
4438
4439         * script.cc (script_add_extern): Rewrite to use
4440         add_symbol_reference.
4441
4442 2011-01-25  Doug Kwan  <dougkwan@google.com>
4443
4444         * icf.cc (get_section_contents): Always lock section's object.
4445
4446 2011-01-24  Ian Lance Taylor  <iant@google.com>
4447
4448         * options.h (class General_options): Accept
4449         --no-detect-odr-violations.
4450
4451 2011-01-24  Ian Lance Taylor  <iant@google.com>
4452
4453         * version.cc (version_string): Bump to 1.11.
4454
4455 2011-01-24  Ian Lance Taylor  <iant@google.com>
4456
4457         * plugin.cc (class Plugin_rescan): Define new class.
4458         (Plugin_manager::claim_file): Set any_claimed_.
4459         (Plugin_manager::save_archive): New function.
4460         (Plugin_manager::save_input_group): New function.
4461         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4462         necessary.
4463         (Plugin_manager::new_undefined_symbol): New function.
4464         (Plugin_manager::rescan): New function.
4465         (Plugin_manager::rescannable_defines): New function.
4466         (Plugin_manager::add_input_file): Set any_added_.
4467         * plugin.h (class Plugin_manager): define new fields rescannable_,
4468         undefined_symbols_, any_claimed_, and any_added_.  Declare
4469         Plugin_rescan as friend.  Declare new functions.
4470         (Plugin_manager::Rescannable): Define type.
4471         (Plugin_manager::Rescannable_list): Define type.
4472         (Plugin_manager::Undefined_symbol_list): Define type.
4473         (Plugin_manager::Plugin_manager): Initialize new fields.
4474         * archive.cc (Archive::defines_symbol): New function.
4475         (Add_archive_symbols::run): Pass archive to plugins if any.
4476         * archive.h (class Archive): Declare defines_symbol.
4477         * readsyms.cc (Input_group::~Input_group): New function.
4478         (Finish_group::run): Pass input_group to plugins if any.
4479         * readsyms.h (class Input_group): Declare destructor.
4480         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4481         any.
4482
4483 2011-01-10  Ian Lance Taylor  <iant@google.com>
4484
4485         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4486         section as relro.
4487         (Layout::set_segment_offsets): Reset increase_relro before calling
4488         set_section_addresses a second time.
4489
4490 2011-01-04  Cary Coutant  <ccoutant@google.com>
4491
4492         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4493         sections before NOBITS sections.
4494
4495 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4496
4497         * version.cc (print_version): Update copyright to 2011.
4498
4499 2010-12-23  Cary Coutant  <ccoutant@google.com>
4500
4501         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4502         of OS to this->add.  Add OD parameter to second form of the function.
4503
4504 2010-12-20  Ian Lance Taylor  <iant@google.com>
4505
4506         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4507         second of two consecutive entries with same offset.
4508
4509 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4510
4511         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4512         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4513         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4514         to avoid unneeded links against $(LDADD).
4515         * testsuite/Makefile.in: Regenerate.
4516
4517 2010-12-15  Ian Lance Taylor  <iant@google.com>
4518
4519         PR gold/12324
4520         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4521         for R_X86_64_32 and R_X86_64_PC32.
4522         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4523         ver_matching_def_pic.o.
4524         (ver_matching_def_pic.o): New target.
4525
4526 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4527
4528         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4529         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4530         Move definition before File_read::View member definitions.
4531         (File_read::View::~View): Initialize and hold lock before
4532         updating current_mapped_bytes.
4533
4534 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4535
4536         * dwarf_reader.cc: Remove outdated comment.
4537         * gold-threads.cc: Fix typo in error message.
4538         * archive.cc: Fix typos in comments.
4539         * archive.h: Likewise.
4540         * arm-reloc-property.cc: Likewise.
4541         * arm-reloc-property.h: Likewise.
4542         * arm-reloc.def: Likewise.
4543         * arm.cc: Likewise.
4544         * attributes.h: Likewise.
4545         * cref.cc: Likewise.
4546         * ehframe.cc: Likewise.
4547         * fileread.h: Likewise.
4548         * gold.h: Likewise.
4549         * i386.cc: Likewise.
4550         * icf.cc: Likewise.
4551         * incremental.h: Likewise.
4552         * int_encoding.cc: Likewise.
4553         * layout.h: Likewise.
4554         * main.cc: Likewise.
4555         * merge.h: Likewise.
4556         * object.cc: Likewise.
4557         * object.h: Likewise.
4558         * options.cc: Likewise.
4559         * readsyms.cc: Likewise.
4560         * reduced_debug_output.cc: Likewise.
4561         * reloc.cc: Likewise.
4562         * script-sections.cc: Likewise.
4563         * sparc.cc: Likewise.
4564         * symtab.h: Likewise.
4565         * target-reloc.h: Likewise.
4566         * target.cc: Likewise.
4567         * target.h: Likewise.
4568         * timer.cc: Likewise.
4569         * timer.h: Likewise.
4570         * x86_64.cc: Likewise.
4571
4572 2010-12-09  Cary Coutant  <ccoutant@google.com>
4573
4574         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4575         stack.
4576         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4577         parameter; change all callers.
4578         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4579         * options.h (warn_execstack): New option.
4580
4581 2010-12-07  Doug Kwan  <dougkwan@google.com>
4582
4583         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4584         like function call relocations.
4585
4586 2010-12-07  Ian Lance Taylor  <iant@google.com>
4587
4588         * archive.cc (Archive::get_elf_object_for_member): Permit
4589         punconfigured to be NULL.
4590         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4591         (Archive::include_member): Pass NULL to get_elf_object_for_member
4592         if we searched for the archive and this is the first included
4593         object.
4594
4595 2010-12-01  Ian Lance Taylor  <iant@google.com>
4596
4597         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4598         track_relocs_type_ field.
4599         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4600         Set track_relocs_type_.
4601         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4602         contents when using RELA relocs.
4603         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4604         reloc_map_.
4605         * reloc.cc (Track_relocs::next_addend): New function.
4606         * reloc.h (class Track_relocs): Declare next_addend.
4607
4608 2010-12-01  Ian Lance Taylor  <iant@google.com>
4609
4610         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4611         virtual destructor.
4612
4613 2010-12-01  Ian Lance Taylor  <iant@google.com>
4614
4615         * README: Update compilers known to work and fail.
4616
4617 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4618
4619         * configure.in: For --enable-gold, handle value `default' instead of
4620         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4621         not the default.
4622         * configure: Regenerate.
4623
4624 2010-11-18  Doug Kwan  <dougkwan@google.com>
4625
4626         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4627         and right_alignment to be zero.  Store result alignment only if it is
4628         greater than existing alignment.
4629
4630 2010-11-16  Cary Coutant  <ccoutant@google.com>
4631
4632         PR gold/12220
4633         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4634         Check for ".zdebug_line".
4635
4636 2010-11-16  Doug Kwan  <dougkwan@google.com>
4637             Cary Coutant  <ccoutant@google.com>
4638
4639         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4640         by reference; adjust all callers.
4641         * output.cc (Output_segment::set_section_addresses): Adjust references
4642         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4643         list is empty.
4644         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4645         end at page boundary.
4646
4647 2010-11-16  Cary Coutant  <ccoutant@google.com>
4648
4649         PR gold/12220
4650         * layout.cc (Layout::choose_output_section): Transform names of
4651         compressed sections even when using a script with a SECTIONS clause.
4652         (Layout::output_section_name): Remove code to transform
4653         compressed debug section names.
4654         * output.cc (Output_section::add_input_section): Use uncompressed
4655         section size when tracking input sections.
4656
4657 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4658
4659         * symtab.h (Symbol::NON_PIC_REF): Remove.
4660         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4661         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4662         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4663         (Symbol::use_plt_offset): Take a flags argument and pass it
4664         directly to needs_dynamic_reloc.  Restrict check for undefined
4665         weak symbols to function calls.
4666         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4667         (Target_arm::Scan::global): Use it.
4668         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4669         (Target_arm::Relocate::relocate): Likewise.
4670         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4671         parameter with an r_type parameter.  Use get_reference_flags
4672         to get the flags.
4673         (Target_arm::Relocate::relocate): Update accordingly.
4674         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4675         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4676         (Target_i386::Scan::global): Likewise.
4677         (Target_i386::Relocate::relocate): Likewise.
4678         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4679         parameter with an r_type parameter.  Use get_reference_flags
4680         to get the flags.
4681         (Target_i386::Relocate::relocate): Update accordingly.
4682         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4683         (Target_powerpc::Scan::global): Use it.
4684         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4685         (Target_powerpc::Relocate::relocate): Likewise.
4686         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4687         (Target_sparc::Scan::global): Use it.
4688         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4689         (Target_sparc::Relocate::relocate): Likewise.
4690         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4691         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4692         (Target_x86_64::Scan::global): Likewise.
4693         (Target_x86_64::Relocate::relocate): Likewise.
4694
4695 2010-11-08  Doug Kwan  <dougkwan@google.com>
4696             Cary Coutant  <ccoutant@google.com>
4697
4698         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4699         (Arm_exidx_merge_section::section_contents_): New data member.
4700         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4701         (Arm_input_section::~Arm_input_section): De-allocate memory.
4702         (Arm_input_section::original_contents_): New data member.
4703         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4704         in parameters instead of calling Object::section_contents without
4705         locking.
4706         (Arm_output_section::group_section): New parameter TASK.  Pass it
4707         to callees that need locking objects.
4708         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4709         to lock EXIDX input sections.  Fix a formatting issue.  Call
4710         Arm_exidx_merged_section::build_contents to create merged section
4711         contents.
4712         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4713         to lock object of stub table owner.
4714         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4715         TEXT_SIZE to initialize data member TEXT_SIZE_.
4716         (Arm_exidx_input_section::addralign): Fix typo in comment.
4717         (Arm_exidx_input_section::text_size): New method.
4718         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4719         that require locking objects.  Lock objects before scanning for stubs
4720         and updating local symbols.
4721         (Arm_input_section<big_endian>::init): Copy contents of original
4722         input section.
4723         (Arm_input_section<big_endian>::do_write): Use saved contents of
4724         original input section instead of calling Object::section_contents
4725         without locking.
4726         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4727         size without calling Object::section_size().
4728         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4729         for size.  Allocate a buffer for merged EXIDX entries.
4730         (Arm_exidx_merged_section::build_contents): New method.
4731         (Arm_exidx_merged_section::do_write): Move merge section contents
4732         building code to Arm_exidx_merged_section::build_contetns.  Write
4733         out contetns in buffer instead of building it on the fly.
4734         (Arm_relobj::make_exidx_input_section): Also pass text section size
4735         to Arm_exidx_input_section constructor.
4736         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4737         (Arm_dynobj::do_read_symbols): Fix memory leak.
4738         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4739         * target.h: (class Task): Add forward declaration.
4740         (Target::relax): Add new parameter TASK and pass it to
4741         Target::do_relax().
4742         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4743
4744 2010-11-05  Cary Coutant  <ccoutant@google.com>
4745
4746         PR gold/10708
4747         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4748         object when reading from the file.
4749         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4750         second layout pass.
4751         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4752         when reading section contents.
4753         (get_section_contents): Likewise.
4754         (icf::find_identical_sections): Likewise.
4755         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4756         object when reading from the file.
4757         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4758         the object when doing deferred section layout.
4759
4760 2010-11-03  Nick Clifton  <nickc@redhat.com>
4761
4762         PR gold/12001
4763         * script.h (class Symbol_assignment: name): New member.  Returns
4764         the name of the symbol.
4765         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4766         Returns true if the given symbol name is on the list of
4767         assignments wating to be processed.
4768         * archive.cc (should_incldue_member): If the symbol is undefined,
4769         check to see if it is on the list of symbols pending assignment.
4770
4771 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4772
4773         * script-sections.cc (Script_sections::find_memory_region): Check
4774         for a NULL output section pointer.
4775
4776 2010-10-29  Doug Kwan  <dougkwan@google.com>
4777
4778         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4779         Output_section::add_relaxed_input_section.
4780         * output.cc (Output_section::add_relaxed_input_section): Add new
4781         arguments LAYOUT and NAME.  Set section order index.
4782         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4783         Copy section order index.
4784         * output.h (Output_section::add_relaxed_input_section): Add new
4785         arguments LAYOUT and NAME.
4786
4787 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4788
4789         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4790         NATIVE_OR_CROSS_LINKER.
4791         * testsuite/Makefile.in: Regenerate.
4792
4793 2010-10-20  Doug Kwan  <dougkwan@google.com>
4794
4795         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4796         without SHF_LINK_ORDER flags.
4797         * layout.cc (Layout::choose_output_section): Do not filter
4798         SHF_LINK_ORDER flag in a relocatable link.
4799
4800 2010-10-17  Cary Coutant  <ccoutant@google.com>
4801
4802         * output.h (Output_segment::set_section_addresses): Change function
4803         signature.  Update all callers.
4804         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4805         sections.
4806         (Output_segment::set_section_addresses): Align after last TLS
4807         section.  Add padding before last relro section instead of after.
4808
4809 2010-10-17  Doug Kwan  <dougkwan@google.com>
4810
4811         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4812         GOT output section to be writable.
4813
4814 2010-10-14  Cary Coutant  <ccoutant@google.com>
4815
4816         * debug.h (DEBUG_INCREMENTAL): New flag.
4817         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4818         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4819         mode.
4820         * incremental.cc (report_command_line): Ignore all forms of
4821         --incremental.
4822         * layout.cc (Layout::Layout): Check parameters for incremental link
4823         mode.
4824         * options.cc (General_options::parse_incremental): New function.
4825         (General_options::parse_no_incremental): New function.
4826         (General_options::parse_incremental_full): New function.
4827         (General_options::parse_incremental_update): New function.
4828         (General_options::incremental_mode_): New data member.
4829         (General_options::finalize): Check incremental_mode_.
4830         * options.h (General_options): Update help text for --incremental.
4831         Add --no-incremental, --incremental-full, --incremental-update.
4832         (General_options::Incremental_mode): New enum type.
4833         (General_options::incremental_mode): New function.
4834         (General_options::incremental_mode_): New data member.
4835         * parameters.cc (Parameters::incremental_mode_): New data member.
4836         (Parameters::set_options): Set incremental_mode_.
4837         (Parameters::set_incremental_full): New function.
4838         (Parameters::incremental): New function.
4839         (Parameters::incremental_update): New function.
4840         (set_parameters_incremental_full): New function.
4841         * parameters.h (Parameters::set_incremental_full): New function.
4842         (Parameters::incremental): New function.
4843         (Parameters::incremental_update): New function.
4844         (Parameters::incremental_mode_): New data member.
4845         (set_parameters_incremental_full): New function.
4846         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4847         incremental link mode.
4848         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4849         (Sized_relobj::do_relocate_sections): Likewise.
4850         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4851         option.
4852         * testsuite/Makefile.in: Regenerate.
4853         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4854
4855 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4856
4857         * script-sections.h (class Script_sections): Make
4858         Sections_elements typedef public.
4859         * script-sections.cc (class Sort_output_sections): Add elements_
4860         field.  Add constructor which sets it; change all callers.
4861         (Sort_output_sections::is_before): New function.
4862         (Sort_output_sections::operator()): Call is_before.
4863         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4864         conditional.
4865         * testsuite/script_test_10.sh: New test. Test script section
4866         order.
4867         * testsuite/script_test_10.t: Likewise.
4868         * testsuite/script_test_10.s: Likewise.
4869         * testsuite/Makefile.am: Wrap the cross linker tests and the
4870         common tests into NATIVE_OR_CROSS_LINKER.
4871         (check_SCRIPTS): Add script_test_10.sh.
4872         (check_DATA): Add script_test_10.stdout.
4873         (script_test_10.o, script_test_10): New targets.
4874         (script_test_10.stdout): New target.
4875         * configure, testsuite/Makefile.in: Regenerate.
4876
4877 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4878
4879         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4880         error for the deprecated relocations.
4881         (Target_arm::Scan::global): Likewise.
4882         (Target_arm::Relocate::relocate): Likewise.
4883
4884 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4885
4886         * fileread.cc (Input_file::find_file): Initialize *found_name
4887         and *namep when using the fallback search for case 4.
4888
4889 2010-10-11  Cary Coutant  <ccoutant@google.com>
4890
4891         * options.h (class General_options): Redefine -z lazy as an alias for
4892         the negation of -z now.
4893
4894 2010-10-11  Ian Lance Taylor  <iant@google.com>
4895
4896         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4897         binding.
4898
4899 2010-10-06  Nick Clifton  <nickc@redhat.com>
4900
4901         * script-sections.cc(class Memory_region): Remove
4902         current_lma_offset_ field.  Rename current_vma_offset_ to
4903         current_offset_.  Add last_section_ field.
4904         (Memory_region::get_current_vma_address): Rename to
4905         get_current_address.
4906         (Memory_region::get_current_lma_address): Delete.
4907         (Memory_region::increment_vma_offset): Rename to
4908         increment_offset.
4909         (Memory_region::increment_lma_offset): Delete.
4910         (Memory_region::attributes_compatible): New method.  Returns
4911         true if the provided section is compatible with the region.
4912         (Memory_region::get_last_section): New method.  Returns the last
4913         section to use the region.
4914         (Memory_region::set_last_section): New method.  Stores the last
4915         section to use the region.
4916         (Script_sections::block_in_region): New method.  Returns true if
4917         a block of memory is contained within a region.
4918         (Script_sections::find_memory_region): New method.  Locates a
4919         memory region to be used to set a VMA or LMA address.
4920         (Output_section_definition::set_section_addresses): Add code to
4921         check for addresses set by memory regions.
4922         (Output_segment::set_section_addresses): Remove memory region
4923         walking code.
4924         (Script_sections::create_segment): Add a warning if a header
4925         segment is created outside of any region.
4926         * script-sections.h (class Script_sections): Add prototypes for
4927         find_memory_region and block_in_region methods.
4928         * testsuite/memory_test.s: Use .long instead of .word.
4929         * testsuite/memory_test.t: Add some more output sections.
4930         * testsuite/memory_test.sh: Update expected output.
4931
4932 2010-10-02  Doug Kwan  <dougkwan@google.com>
4933
4934         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4935         defintion to symtab.h
4936         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4937         declaration to defintion.
4938
4939 2010-10-01  Nick Clifton  <nickc@redhat.com>
4940
4941         * expression.cc (eval): Replace dummy argument with NULL.
4942         (eval_maybe_dot): Check for a NULL result section pointer.
4943         (Symbol_expression::value): Likewise.
4944         (Dot_expression::value): Likewise.
4945         (BINARY_EXPRESSION): Likewise.
4946         (Max_expression::value): Likewise.
4947         (Min_expression::value): Likewise.
4948         (Absolute_expression::value): Likewise.
4949         (Addr_expression::value_from_output_section): Likewise.
4950         (Loaddddr_expression::value_from_output_section): Likewise.
4951         (Segment_start_expression::value): Likewise.
4952         * script-sections.cc
4953         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4954         argument with NULL.
4955         (Sections_elememt_dot_assignment::set_section_addresses):
4956         Likewise.
4957         (Output_data_expression::do_write_to_buffer): Likewise.
4958         (Output_section_definition::finalize_symbols): Likewise.
4959         (Output_section_definition::set_section_addresses): Likewise.
4960
4961 2010-09-30  Doug Kwan  <dougkwan@google.com>
4962
4963         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4964
4965 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4966
4967         * target.h (Target::can_icf_inline_merge_sections): New virtual
4968         function.
4969         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4970         virtual function.
4971         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4972         virtual function.
4973         * icf.cc (get_section_contents): Inline merge sections only when
4974         target allows it.
4975
4976 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4977
4978         * configure: Regenerate.
4979
4980 2010-09-17  Ian Lance Taylor  <iant@google.com>
4981
4982         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4983         * testsuite/Makefile.am (memory_test.o): New target.
4984         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4985         memory_test.t.
4986         * testsuite/Makefile.in: Rebuild.
4987
4988 2010-09-17  Doug Kwan  <dougkwan@google.com>
4989
4990         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4991         defintion if relocation uses GOT entries of the symbol.
4992         * testsuite/icf_safe_test.sh: Fix test.
4993         * testsuite/icf_safe_so_test.sh: Fix test.
4994
4995 2010-09-16  Cary Coutant  <ccoutant@google.com>
4996
4997         * script_sections.cc (class Memory_region): Remove "NULL" from
4998         vector initializations.
4999
5000 2010-09-15  Cary Coutant  <ccoutant@google.com>
5001
5002         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5003         Resolve forwarding symbols.
5004
5005 2010-09-15  Doug Kwan  <dougkwan@google.com>
5006
5007         * gold/testsuite/script_test_3.t: Add ARM special sections.
5008         * gold/testsuite/script_test_4.t: Same.
5009         * gold/testsuite/script_test_5.t: Same.
5010         * gold/testsuite/script_test_6.t: Same.
5011         * gold/testsuite/script_test_7.t: Same.
5012         * gold/testsuite/script_test_7.t: Same.
5013         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5014
5015 2010-09-14  Cary Coutant  <ccoutant@google.com>
5016
5017         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5018         (Target_x86_64::Relocate::relocate_tls): Replace check for
5019         saw_tls_block_reloc_ with test for executable section.
5020
5021 2010-09-12  Cary Coutant  <ccoutant@google.com>
5022
5023         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5024         position-independent executables to shared libraries need dynamic
5025         relocations.
5026         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5027         position-independent executables.
5028         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5029         * testsuite/Makefile.in: Regenerate.
5030
5031 2010-09-10  Nick Clifton  <nickc@redhat.com>
5032
5033         PR gold/11997
5034         * testsuite/memory_test.t: Discard any sections that are not
5035         needed.
5036
5037 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5038
5039         PR gold/11996
5040         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5041         "This::" to work around a bug in gcc 4.2.
5042
5043         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5044
5045 2010-09-09  Rafael Espindola  <espindola@google.com>
5046
5047         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5048         sections with different PF_X flags in the same segment.
5049         (Layout::find_first_load_seg): Search all segments to find the first
5050         one.
5051         * options.h (rosegment): New.
5052
5053 2010-09-08  Rafael Espindola  <espindola@google.com>
5054
5055         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5056
5057 2010-09-08  Doug Kwan  <dougkwan@google.com>
5058
5059         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5060         (Arm_relobj::do_relocate_sections): Add new parameter for output
5061         file to match the parent.
5062         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5063         of local symbols instead of input values.  Update code to track
5064         changes in gold::relocate_section.
5065         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5066         (Sized_relobj::compute_final_local_value_internal): New methods.
5067         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5068         body into private version of Sized_relobj::compute_final_local_value.
5069         Call the inline method.
5070         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5071         merged symbol value if there is one.
5072         (Symbol_value::has_output_value): New method defintiion.
5073         (Sized_relobj::Compute_final_local_value_status): New enum type.
5074         (Sized_relobj::compute_final_local_value): New methods.
5075         (Sized_relobj::compute_final_local_value_internal): New methods.
5076         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5077         and arm_cortex_a8.sh.
5078         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5079         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5080         New tests.
5081         * Makefile.in: Regenerate.
5082         * testsuite/arm_bl_out_of_range.s: Update test.
5083         * testsuite/thumb_bl_out_of_range.s: Ditto.
5084         * testsuite/thumb_blx_out_of_range.s: Ditto.
5085         * testsuite/arm_branch_out_of_range.sh: New file.
5086         * testsuite/arm_cortex_a8.sh: Ditto.
5087         * testsuite/arm_cortex_a8_b.s: Ditto.
5088         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5089         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5090         * testsuite/arm_cortex_a8_bl.s: Ditto.
5091         * testsuite/arm_cortex_a8_blx.s: Ditto.
5092         * testsuite/arm_cortex_a8_local.s: Ditto.
5093         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5094         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5095
5096 2010-09-08  Rafael Espindola  <espindola@google.com>
5097
5098         * Makefile.am (memory_test.stdout): Run readelf with -W.
5099         * Makefile.in: Regenerate.
5100         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5101         64 bit output.
5102
5103 2010-09-08  Rafael Espindola  <espindola@google.com>
5104
5105         * script-sections.cc (Script_sections::add_memory_region): Convert
5106         field precision to int.
5107         * script.cc (script_set_section_region, script_set_section_region):
5108         Convert field precision to int.
5109
5110 2010-09-08  Rafael Espindola  <espindola@google.com>
5111
5112         * arm.cc (do_finalize_sections): Create the __exidx_start and
5113         __exdix_end symbols even when the section is missing.
5114
5115 2010-09-08  Nick Clifton  <nickc@redhat.com>
5116
5117         * README: Remove claim that MEMORY is not supported.
5118         * expression.cc (script_exp_function_origin)
5119         (script_exp_function_length): Move from here to ...
5120         * script.cc: ... here.
5121         (script_set_section_region, script_add_memory)
5122         (script_parse_memory_attr, script_include_directive): New
5123         functions.
5124         * script-sections.cc
5125         (class Memory_region): New class.
5126         (class Output_section_definition): Add set_memory_region,
5127         set_section_vma, set_section_lma and get_section_name methods.
5128         (class Script_Sections): Add add_memory_region,
5129         find_memory_region, find_memory_region_origin,
5130         find_memory_region_length and set_memory_region methods.
5131         Have set_section_addresses method walk the list of set memory
5132         regions.
5133         Extend the print methos to display memory regions.
5134         * script-sections.h: Add prototypes for new methods.
5135         Add enum for MEMORY region attributes.
5136         * yyscript.y: Add support for parsing MEMORY regions.
5137         * script-c.h: Add prototypes for new functions.
5138         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5139         * testsuite/Makefile.in: Regenerate.
5140         * testsuite/memory_test.sh: New script.
5141         * testsuite/memory_test.s: New assembler source file.
5142         * testsuite/memory_test.t: New linker script.
5143
5144 2010-08-27  Doug Kwan  <dougkwan@google.com>
5145
5146         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5147         reference override an existing dynamic weak reference.
5148         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5149         * testsuite/Makefile.in: Regenerate.
5150         * testsuite/dyn_weak_ref.sh: New file.
5151         * testsuite/dyn_weak_ref_1.c: Ditto.
5152         * testsuite/dyn_weak_ref_2.c: Ditto.
5153
5154 2010-08-27  Ian Lance Taylor  <iant@google.com>
5155
5156         * incremental.h (class Incremental_input_entry): Add virtual
5157         destructor.
5158
5159 2010-08-27  Ian Lance Taylor  <iant@google.com>
5160
5161         * testsuite/start_lib_test_3.c: Mark t3 as used.
5162
5163 2010-08-27  Nick Clifton  <nickc@redhat.com>
5164
5165         * options.cc (version_script): Fix small typo in previous
5166         whitespace tidyup.
5167
5168 2010-08-25  Nick Clifton  <nickc@redhat.com>
5169
5170         * archive.cc: Formatting fixes: Remove whitespace between
5171         typename and following asterisk.  Remove whitespace between
5172         function name and opening parenthesis.
5173         * archive.h: Likewise.
5174         * arm.cc: Likewise.
5175         * attributes.cc: Likewise.
5176         * attributes.h: Likewise.
5177         * common.cc: Likewise.
5178         * copy-relocs.cc: Likewise.
5179         * dirsearch.h: Likewise.
5180         * dynobj.cc: Likewise.
5181         * ehframe.cc: Likewise.
5182         * ehframe.h: Likewise.
5183         * expression.cc: Likewise.
5184         * fileread.cc: Likewise.
5185         * fileread.h: Likewise.
5186         * gc.h: Likewise.
5187         * gold-threads.cc: Likewise.
5188         * gold.cc: Likewise.
5189         * i386.cc: Likewise.
5190         * icf.h: Likewise.
5191         * incremental-dump.cc: Likewise.
5192         * incremental.cc: Likewise.
5193         * layout.cc: Likewise.
5194         * layout.h: Likewise.
5195         * main.cc: Likewise.
5196         * merge.cc: Likewise.
5197         * merge.h: Likewise.
5198         * object.cc: Likewise.
5199         * object.h: Likewise.
5200         * options.cc: Likewise.
5201         * options.h: Likewise.
5202         * output.cc: Likewise.
5203         * output.h: Likewise.
5204         * plugin.cc: Likewise.
5205         * plugin.h: Likewise.
5206         * powerpc.cc: Likewise.
5207         * reloc.cc: Likewise.
5208         * script-c.h: Likewise.
5209         * script-sections.cc: Likewise.
5210         * script.cc: Likewise.
5211         * stringpool.cc: Likewise.
5212         * symtab.cc: Likewise.
5213         * symtab.h: Likewise.
5214         * target.cc: Likewise.
5215         * timer.cc: Likewise.
5216         * timer.h: Likewise.
5217         * version.cc: Likewise.
5218         * x86_64.cc: Likewise.
5219
5220 2010-08-24  Nick Clifton  <nickc@redhat.com>
5221
5222         PR 11899
5223         * layout.cc (segment_precedes): Sort segments by their physical
5224         addresses, if they have been set.
5225
5226 2010-08-23  Cary Coutant  <ccoutant@google.com>
5227
5228         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5229         symbols data.
5230         (Lib_group::include_member): Unlock object after deleting its
5231         symbols data.
5232         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5233         the bug fixed here.
5234
5235 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5236             Cary Coutant  <ccoutant@google.com>
5237
5238         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5239         constructor, and set_blocker.
5240         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5241         readsyms_blocker_.
5242         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5243         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5244         * testsuite/Makefile.am (start_lib_test): New test case.
5245         * testsuite/Makefile.in: Regenerate.
5246         * testsuite/start_lib_test_main.c: New file.
5247         * testsuite/start_lib_test_1.c: New file.
5248         * testsuite/start_lib_test_2.c: New file.
5249         * testsuite/start_lib_test_3.c: New file.
5250
5251 2010-08-19  Ian Lance Taylor  <iant@google.com>
5252
5253         * Makefile.in: Rebuild with automake 1.11.1.
5254         * aclocal.m4: Likewise.
5255         * testsuite/Makefile.in: Likewise.
5256
5257 2010-08-19  Ian Lance Taylor  <iant@google.com>
5258
5259         PR 10893
5260         * i386.cc (class Output_data_plt_i386): Update declarations.
5261         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5262         local_ifuncs_ fields.
5263         (Target_i386::do_plt_section_for_global): New function.
5264         (Target_i386::do_plt_section_for_local): New function.
5265         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5266         parameter; change all callers.  Initialize global_ifuncs_ and
5267         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5268         __rel_iplt_end.
5269         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5270         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5271         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5272         symbols.
5273         (Target_i386::make_plt_section): New function, broken out of
5274         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5275         (Target_i386::make_plt_entry): Call make_plt_section.
5276         (Target_i386::make_local_ifunc_plt_entry): New function.
5277         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5278         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5279         R_386_IRELATIVE to switch.
5280         (Target_i386::Scan::global): Likewise.
5281         (Target_i386::Relocate::relocate): Likewise.
5282         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5283         switch.
5284         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5285         (Target_x86_64::do_plt_section_for_global): New function.
5286         (Target_x86_64::do_plt_section_for_local): New function.
5287         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5288         parameter; change all callers.  If doing a static link define
5289         __rela_iplt_start and __rela_iplt_end.
5290         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5291         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5292         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5293         to point to .plt.
5294         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5295         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5296         switch.
5297         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5298         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5299         R_X86_64_IRELATIVE to switch.
5300         (Target_x86_64::Scan::global): Likewise.
5301         (Target_x86_64::Relocate::relocate): Likewise.
5302         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5303         switch.
5304         * target.h (class Target): Add plt_section_for_global and
5305         plt_section_for_local functions.  Add do_plt_section_for_global
5306         and do_plt_section_for_local virtual functions.
5307         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5308         clarifying comments.
5309         (Symbol::use_plt_offset): Handle IFUNC symbol.
5310         * object.cc (Sized_relobj::Sized_relobj): Initialize
5311         local_plt_offsets_.
5312         (Sized_relobj::local_has_plt_offset): New function.
5313         (Sized_relobj::local_plt_offset): New function.
5314         (Sized_relobj::set_local_plt_offset): New function.
5315         (Sized_relobj::do_count): Handle IFUNC symbol.
5316         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5317         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5318         is_ifunc_symbol functions.
5319         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5320         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5321         local_plt_offsets_ field.
5322         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5323         * output.h (class Output_section_data): Add non-const
5324         output_section function.
5325         (class Output_data_got): Update declarations.
5326         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5327         Add use_plt_offset parameter to global and local constructors.
5328         Change all callers.  Change local_sym_index_ field to 31 bits.
5329         Change GSYM_CODE and CONSTANT_CODE accordingly.
5330         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5331         doing a static link don't set sh_link field.
5332         (Output_data_got::Got_entry::write): Use PLT offset if
5333         appropriate.
5334         (Output_data_got::add_global_plt): New function.
5335         (Output_data_got::add_local_plt): New function.
5336         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5337         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5338         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5339         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5340         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5341         IFUNC conditional.
5342         * testsuite/ifunc-sel.h: New file.
5343         * testsuite/ifuncmain1.c: New file.
5344         * testsuite/ifuncmain1vis.c: New file.
5345         * testsuite/ifuncmod1.c: New file.
5346         * testsuite/ifuncdep2.c: New file.
5347         * testsuite/ifuncmain2.c: New file.
5348         * testsuite/ifuncmain3.c: New file.
5349         * testsuite/ifuncmod3.c: New file.
5350         * testsuite/ifuncmain4.c: New file.
5351         * testsuite/ifuncmain5.c: New file.
5352         * testsuite/ifuncmod5.c: New file.
5353         * testsuite/ifuncmain6pie.c: New file.
5354         * testsuite/ifuncmod6.c: New file.
5355         * testsuite/ifuncmain7.c: New file.
5356         * configure, testsuite/Makefile.in: Rebuild.
5357
5358 2010-08-18  Ian Lance Taylor  <iant@google.com>
5359
5360         * incremental.cc
5361         (Output_section_incremental_inputs::write_input_files): Add cast
5362         to avoid signed/unsigned comparison warning.
5363         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5364
5365 2010-08-12  Cary Coutant  <ccoutant@google.com>
5366
5367         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5368
5369 2010-08-13  Ian Lance Taylor  <iant@google.com>
5370
5371         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5372
5373 2010-08-12  Cary Coutant  <ccoutant@google.com>
5374             Doug Kwan  <dougkwan@google.com>
5375
5376         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5377         defintion overrides non-weak undef, remember that the original undef
5378         is not weak.
5379         * symtab.cc (Symbol_table::sized_write_global): For undef without
5380         an original weak binding, set binding to global in output.
5381         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5382         * testsuite/Makefile.in: Regenerate.
5383         * testsuite/strong_ref_weak_def.sh: New file.
5384         * testsuite/strong_ref_weak_def_1.c: Ditto.
5385         * testsuite/strong_ref_weak_def_2.c: Ditto.
5386
5387 2010-08-12  Cary Coutant  <ccoutant@google.com>
5388
5389         * testsuite/incremental_test.sh: Rewrite.
5390         * testsuite/incremental_test_1.c: Rewrite.
5391         * testsuite/incremental_test_2.c: Rewrite.
5392
5393 2010-08-12  Cary Coutant  <ccoutant@google.com>
5394
5395         * arm.cc (Target_arm::got_size): Add const.
5396         (Target_arm::got_entry_count): New function.
5397         (Target_arm::plt_entry_count): New function.
5398         (Target_arm::first_plt_entry_offset): New function.
5399         (Target_arm::plt_entry_size): New function.
5400         (Output_data_plt_arm::entry_count): New function.
5401         (Output_data_plt_arm::first_plt_entry_offset): New function.
5402         (Output_data_plt_arm::get_plt_entry_size): New function.
5403         * i386.cc (Target_i386::got_size): Add const.
5404         (Target_i386::got_entry_count): New function.
5405         (Target_i386::plt_entry_count): New function.
5406         (Target_i386::first_plt_entry_offset): New function.
5407         (Target_i386::plt_entry_size): New function.
5408         (Output_data_plt_i386::entry_count): New function.
5409         (Output_data_plt_i386::first_plt_entry_offset): New function.
5410         (Output_data_plt_i386::get_plt_entry_size): New function.
5411         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5412         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5413         * incremental.cc: Include target.h.
5414         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5415         parameter.  Adjust all callers.  Find incremental_got_plt section.
5416         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5417         section.
5418         (Output_section_incremental_inputs::set_final_data_size): Calculate
5419         size of incremental_got_plt section.
5420         (Output_section_incremental_inputs::do_write): Write the
5421         incremental_got_plt section.
5422         (Got_plt_view_info): New struct.
5423         (Local_got_offset_visitor): New class.
5424         (Global_got_offset_visitor): New class.
5425         (Global_symbol_visitor_got_plt): New class.
5426         (Output_section_incremental_inputs::write_got_plt): New function.
5427         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5428         Add parameter.  Adjust all callers.
5429         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5430         (Incremental_inputs::got_plt_section): New function.
5431         (Incremental_inputs::got_plt_section_): New data member.
5432         (Incremental_got_plt_reader): New class.
5433         * layout.cc (Layout::create_incremental_info_sections): Add the
5434         incremental_got_plt section.
5435         * object.h (Got_offset_list::get_list): New function.
5436         (Got offset_list::for_all_got_offsets): New function.
5437         (Sized_relobj::local_got_offset_list): New function.
5438         * powerpc.cc (Target_powerpc::got_size): Add const.
5439         (Target_powerpc::got_entry_count): New function.
5440         (Target_powerpc::plt_entry_count): New function.
5441         (Target_powerpc::first_plt_entry_offset): New function.
5442         (Target_powerpc::plt_entry_size): New function.
5443         (Output_data_plt_powerpc::entry_count): New function.
5444         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5445         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5446         * sparc.cc (Target_sparc::got_size): Add const.
5447         (Target_sparc::got_entry_count): New function.
5448         (Target_sparc::plt_entry_count): New function.
5449         (Target_sparc::first_plt_entry_offset): New function.
5450         (Target_sparc::plt_entry_size): New function.
5451         (Output_data_plt_sparc::entry_count): New function.
5452         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5453         (Output_data_plt_sparc::get_plt_entry_size): New function.
5454         * symtab.h (Symbol::got_offset_list): New function.
5455         (Symbol_table::for_all_symbols): New function.
5456         * target.h (Sized_target::got_entry_count): New function.
5457         (Sized_target::plt_entry_count): New function.
5458         (Sized_target::plt_entry_size): New function.
5459         * x86_64.cc (Target_x86_64::got_size): Add const.
5460         (Target_x86_64::got_entry_count): New function.
5461         (Target_x86_64::plt_entry_count): New function.
5462         (Target_x86_64::first_plt_entry_offset): New function.
5463         (Target_x86_64::plt_entry_size): New function.
5464         (Output_data_plt_x86_64::entry_count): New function.
5465         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5466         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5467
5468 2010-08-12  Cary Coutant  <ccoutant@google.com>
5469
5470         * archive.cc: Include incremental.h.
5471         (Archive::Archive): Initialize incremental_info_.
5472         (Archive::include_member): Record archive members in incremental info.
5473         (Add_archive_symbols::run): Record begin and end of an archive in
5474         incremental info.
5475         (Lib_group::include_member): Record objects in incremental info.
5476         * archive.h (Incremental_archive_entry): Forward declaration.
5477         (Archive::set_incremental_info): New member function.
5478         (Archive::incremental_info): New member function.
5479         (Archive::Unused_symbol_iterator): New class.
5480         (Archive::unused_symbols_begin): New member function.
5481         (Archive::unused_symbols_end): New member function.
5482         (Archive::incremental_info_): New data member.
5483         * incremental-dump.cc (find_input_containing_global): New function.
5484         (dump_incremental_inputs): Dump new incremental info sections.
5485         * incremental.cc: Include symtab.h.
5486         (Output_section_incremental_inputs): New class.
5487         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5488         new incremental info sections.
5489         (Sized_incremental_binary::do_check_inputs): Likewise.
5490         (Incremental_inputs::report_archive): Remove.
5491         (Incremental_inputs::report_archive_begin): New function.
5492         (Incremental_inputs::report_archive_end): New function.
5493         (Incremental_inputs::report_object): New function.
5494         (Incremental_inputs::finalize_inputs): Remove.
5495         (Incremental_inputs::report_input_section): New function.
5496         (Incremental_inputs::report_script): Rewrite.
5497         (Incremental_inputs::finalize): Do nothing but finalize string table.
5498         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5499         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5500         (Incremental_inputs::create_data_sections): New function.
5501         (Incremental_inputs::relocs_entsize): New function.
5502         (Output_section_incremental_inputs::set_final_data_size): New function.
5503         (Output_section_incremental_inputs::do_write): New function.
5504         (Output_section_incremental_inputs::write_header): New function.
5505         (Output_section_incremental_inputs::write_input_files): New function.
5506         (Output_section_incremental_inputs::write_info_blocks): New function.
5507         (Output_section_incremental_inputs::write_symtab): New function.
5508         * incremental.h (Incremental_script_entry): Forward declaration.
5509         (Incremental_object_entry): Forward declaration.
5510         (Incremental_archive_entry): Forward declaration.
5511         (Incremental_inputs): Forward declaration.
5512         (Incremental_inputs_header_data): Remove.
5513         (Incremental_inputs_header): Remove.
5514         (Incremental_inputs_header_write): Remove.
5515         (Incremental_inputs_entry_data): Remove.
5516         (Incremental_inputs_entry): Remove.
5517         (Incremental_inputs_entry_write): Remove.
5518         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5519         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5520         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5521         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5522         Likewise.
5523         (Incremental_input_entry): New class.
5524         (Incremental_script_entry): New class.
5525         (Incremental_object_entry): New class.
5526         (Incremental_archive_entry): New class.
5527         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5528         (Incremental_inputs::report_inputs): Remove.
5529         (Incremental_inputs::report_archive): Remove.
5530         (Incremental_inputs::report_archive_begin): New function.
5531         (Incremental_inputs::report_archive_end): New function.
5532         (Incremental_inputs::report_object): Change prototype.
5533         (Incremental_inputs::report_input_section): New function.
5534         (Incremental_inputs::report_script): Change prototype.
5535         (Incremental_inputs::get_reloc_count): New function.
5536         (Incremental_inputs::set_reloc_count): New function.
5537         (Incremental_inputs::create_data_sections): New function.
5538         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5539         (Incremental_inputs::inputs_section): New function.
5540         (Incremental_inputs::symtab_section): New function.
5541         (Incremental_inputs::relocs_section): New function.
5542         (Incremental_inputs::get_stringpool): Add const.
5543         (Incremental_inputs::command_line): Add const.
5544         (Incremental_inputs::inputs): Remove.
5545         (Incremental_inputs::command_line_key): New function.
5546         (Incremental_inputs::input_file_count): New function.
5547         (Incremental_inputs::input_files): New function.
5548         (Incremental_inputs::relocs_entsize): New function.
5549         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5550         (Incremental_inputs::finalize_inputs): Remove.
5551         (Incremental_inputs::Input_info): Remove.
5552         (Incremental_inputs::lock_): Remove.
5553         (Incremental_inputs::inputs_): Change type.
5554         (Incremental_inputs::inputs_map_): Remove.
5555         (Incremental_inputs::current_object_entry_): New data member.
5556         (Incremental_inputs::inputs_section_): New data member.
5557         (Incremental_inputs::symtab_section_): New data member.
5558         (Incremental_inputs::relocs_section_): New data member.
5559         (Incremental_inputs::reloc_count_): New data member.
5560         (Incremental_inputs_reader): New class.
5561         (Incremental_symtab_reader): New class.
5562         (Incremental_relocs_reader): New class.
5563         * layout.cc (Layout::finalize): Move finalization of incremental info
5564         and creation of incremental info sections to follow finalization of
5565         symbol table.  Set offsets for postprocessing sections.
5566         (Layout::create_incremental_info_sections): Call
5567         Incremental_inputs::create_data_sections.  Add incremental symtab
5568         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5569         sections to layout after input sections.
5570         * layout.h (struct Timespec): Forward declaration.
5571         (Layout::incremental_inputs): Add const.
5572         (Layout::create_incremental_info_sections): Add parameter.
5573         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5574         * object.cc: Include incremental.h.
5575         (Relobj::finalize_incremental_relocs): New function.
5576         (Sized_relobj::do_layout): Record input sections in incremental info.
5577         * object.h (Object::output_section): New function.
5578         (Object::output_section_offset): Moved from Relobj.
5579         (Object::get_incremental_reloc_base): New function.
5580         (Object::get_incremental_reloc_count): New function.
5581         (Object::do_output_section): New function.
5582         (Object::do_output_section_offset): Moved from Relobj.
5583         (Object::do_get_incremental_reloc_base): New function.
5584         (Object::do_get_incremental_reloc_count): New function.
5585         (Object::Object): Initialize new data members.
5586         (Relobj::output_section): Renamed do_output_section and moved to
5587         protected.
5588         (Relobj::output_section_offset): Moved to Object.
5589         (Relobj::do_get_incremental_reloc_base): New function.
5590         (Relobj::do_get_incremental_reloc_count): New function.
5591         (Relobj::allocate_incremental_reloc_counts): New function.
5592         (Relobj::count_incremental_reloc): New function.
5593         (Relobj::finalize_incremental_relocs): New function.
5594         (Relobj::next_incremental_reloc_index): New function.
5595         (Relobj::reloc_counts_): New data member.
5596         (Relobj::reloc_bases_): New data member.
5597         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5598         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5599         (Sized_relobj::incremental_relocs_scan): New function.
5600         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5601         (Sized_relobj::incremental_relocs_write): New function.
5602         (Sized_relobj::incremental_relocs_write_reltype): New function.
5603         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5604         incremental link.
5605         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5606         archives and object files elsewhere.
5607         (Add_symbols::run): Report object files here.
5608         (Finish_group::run): Report end of archive at end of group.
5609         * reloc.cc: Include layout.h, incremental.h.
5610         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5611         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5612         (Sized_relobj::incremental_relocs_scan): New function.
5613         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5614         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5615         (Sized_relobj::incremental_relocs_write): New function.
5616         (Sized_relobj::incremental_relocs_write_reltype): New function.
5617         * script.cc (read_input_script): Rewrite test for incremental link.
5618         Change call to Incremental_inputs::report_script.
5619         * symtab.h (Symbol_table::first_global_index): New function.
5620         (Symbol_table::output_count): New function.
5621
5622 2010-08-12  Doug Kwan  <dougkwan@google.com>
5623
5624         * arm.cc (Target_arm::merge_object_attributes): Check command line
5625         options --no-wchar-size-warning and --no-enum-size-warning.
5626         * options.h (General_options): Add ld-compatible options
5627         --no-enum-size-warning and --no-wchar-size-warning.
5628
5629 2010-08-04  Ian Lance Taylor  <iant@google.com>
5630
5631         * x86_64.cc (Target_x86_64::Scan::local): Use
5632         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5633         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5634         (Target_x86_64::Scan::global): Likewise.
5635         (Target_x86_64::Relocate::relocate): Likewise.
5636         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5637         Likewise.
5638
5639 2010-08-03  Cary Coutant  <ccoutant@google.com>
5640
5641         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5642         to reserve space in merged_strings vector. Keep total input size
5643         for stats.
5644         (Output_merge_string::do_print_merge_stats): Print total input size.
5645         * merge.h (Output_merge_string): Add input_size_ field.
5646         * stringpool.cc (Stringpool_template::string_length): Move
5647         implementations out of Stringpool_template class and place in
5648         stringpool.h.
5649         * stringpool.h (string_length): Move out of Stringpool_template.
5650
5651 2010-08-03  Ian Lance Taylor  <iant@google.com>
5652
5653         PR 11712
5654         * layout.cc (relaxation_loop_body): If address of load segment is
5655         set, adjust address to include headers if possible.
5656
5657 2010-08-03  Ian Lance Taylor  <iant@google.com>
5658
5659         * version.cc (version_string): Bump to 1.10.
5660
5661 2010-08-03  Ian Lance Taylor  <iant@google.com>
5662
5663         PR 11805
5664         * layout.h (enum Output_section_order): Define.
5665         (class Layout): Update declarations.
5666         * layout.cc (Layout::get_output_section): Add order parameter.
5667         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5668         is_first_non_relro parameters.  Change all callers.
5669         (Layout::choose_output_section): Likewise.
5670         (Layout::add_output_section_data): Likewise.
5671         (Layout::make_output_section): Likewise.  Set order.
5672         (Layout::default_section_order): New function.
5673         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5674         * output.cc (Output_section::Output_section): Initialize order_.
5675         Don't initialize deleted fields.
5676         (Output_segment::Output_segment): Don't initialize deleted
5677         fields.
5678         (Output_segment::add_output_section_to_load): New function
5679         replacing add_output_section.  Change all callers to call this or
5680         add_output_section_to_nonload.
5681         (Output_segment::add_output_section_to_nonload): New function.
5682         (Output_segment::remove_output_section): Rewrite.
5683         (Output_segment::add_initial_output_data): Likewise.
5684         (Output_segment::has_any_data_sections): Likewise.
5685         (Output_segment::is_first_section_relro): Likewise.
5686         (Output_segment::maximum_alignment): Likewise.
5687         (Output_segment::has_dynamic_reloc): New function replacing
5688         dynamic_reloc_count.  Change all callers.
5689         (Output_segment::has_dynamic_reloc_list): New function replacing
5690         dynamic_reloc_count_list.  Change all callers.
5691         (Output_segment::set_section_addresses): Rewrite.
5692         (Output_segment::set_offset): Rewrite.
5693         (Output_segment::find_first_and_last_list): Remove.
5694         (Output_segment::set_tls_offsets): Rewrite.
5695         (Output_segment::first_section_load_address): Likewise.
5696         (Output_segment::output_section_count): Likewise.
5697         (Output_segment::section_with_lowest_load_address): Likewise.
5698         (Output_segment::write_section_headers): Likewise.
5699         (Output_segment::print_sections_to_map): Likewise.
5700         * output.h (class Output_data): Remove dynamic_reloc_count_
5701         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5702         (Output_data::add_dynamic_reloc): Rewrite.
5703         (Output_data::has_dynamic_reloc): New function.
5704         (Output_data::dynamic_reloc_count): Remove.
5705         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5706         is_last_relro_, is_first_non_relro_, is_interp_,
5707         is_dynamic_linker_section_ fields.  Add order and set_order
5708         functions.  Remove is_relro_local, set_is_relro_local,
5709         is_last_relro, set_is_last_relro, is_first_non_relro,
5710         set_is_first_non_relro functions, is_interp, set_is_interp,
5711         is_dynamic_linker_section, and set_is_dynamic_linker_section
5712         functions.
5713         (class Output_segment): Change Output_data_list from std::list to
5714         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5715         output_bss_ fields.  Update declarations.
5716
5717 2010-08-02  Ian Lance Taylor  <iant@google.com>
5718
5719         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5720         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5721         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5722
5723 2010-08-02  Ian Lance Taylor  <iant@google.com>
5724
5725         PR 11855
5726         * script.cc (Script_options::Script_options): Initialize
5727         symbol_definitions_ and symbol_references_.
5728         (Script_options::add_symbol_assignment): Update
5729         symbol_definitions_ and symbol_references_.
5730         (Script_options::add_symbol_reference): New function.
5731         (script_symbol): New function.
5732         * script.h (class Script_options): Add symbol_definitions_ and
5733         symbol_references_ fields.
5734         (Script_options::referenced_const_iterator): New type.
5735         (Script_options::referenced_begin): New function.
5736         (Script_options::referenced_end): New function.
5737         (Script_options::is_referenced): New function.
5738         (Script_options::any_unreferenced): New function.
5739         * script-c.h (script_symbol): Declare.
5740         * yyscript.y (exp): Call script_symbol.
5741         * symtab.cc: Include "script.h".
5742         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5743         Change all callers.  Check symbols referenced by scripts.
5744         (Symbol_table::add_undefined_symbols_from_command_line): Add
5745         layout parameter.  Change all callers.
5746         (Symbol_table::do_add_undefined_symbols_from_command_line):
5747         Likewise.  Break out loop body.  Check symbols referenced by
5748         scripts.
5749         (Symbol_table::add_undefined_symbol_from_command_line): New
5750         function broken out of
5751         do_add_undefined_symbols_from_command_line.
5752         * symtab.h (class Symbol_table): Update declarations.
5753         * archive.cc: Include "layout.h".
5754         (Archive::should_include_member): Add layout parameter.  Change
5755         all callers.  Check for symbol mentioned in expression.
5756         * archive.h (class Archive): Update declaration.
5757         * object.cc (Sized_relobj::do_should_include_member): Add layout
5758         parameter.
5759         * object.h (Object::should_include_member): Add layout parameter.
5760         Change all callers.
5761         (Object::do_should_include_member): Add layout parameter.
5762         (class Sized_relobj): Update declaration.
5763         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5764         parameter.
5765         * dynobj.h (class Sized_dynobj): Update declaration.
5766         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5767         layout parameter.
5768         * plugin.h (class Sized_pluginobj): Update declaration.
5769
5770 2010-08-02  Ian Lance Taylor  <iant@google.com>
5771
5772         PR 11866
5773         * output.cc (Output_segment::set_offset): Search for the first and
5774         last sections rather than assuming that the list is in order.
5775         (Output_segment::find_first_and_last_list): New function.
5776         * output.h (class Output_segment): Update declarations.
5777         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5778         (relro_strip_test_SOURCES): New variable.
5779         (relro_strip_test_DEPENDENCIES): New variable.
5780         (relro_strip_test_LDFLAGS): New variable.
5781         (relro_strip_test_LDADD): New variable.
5782         (relro_strip_test.so): New target.
5783
5784 2010-08-02  Ian Lance Taylor  <iant@google.com>
5785
5786         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5787         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5788         (Target_i386::got_tlsdesc_section): New function.
5789         (Target_i386::got_section): Create space for GOT entries for
5790         TLSDESC relocations.
5791         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5792         R_386_TLS_GOTDESC.
5793         (Target_i386::Scan::global): Likewise.
5794         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5795         using TLSDESC GOT.
5796         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5797         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5798         (Target_x86_64::got_tlsdesc_section): New function.
5799         (Target_x86_64::got_section): Create space for GOT entries for
5800         TLSDESC relocations.
5801         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5802         R_386_TLS_GOTDESC.
5803         (Target_x86_64::Scan::global): Likewise.
5804         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5805         using TLSDESC GOT.
5806
5807 2010-08-02  Ian Lance Taylor  <iant@google.com>
5808
5809         * testsuite/final_layout.sh: Use dc to convert from hex to
5810         decimal.
5811
5812 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5813
5814         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5815         paramter to the call to gold::gc_process_relocs.
5816         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5817         paramter to the call to gold::gc_process_relocs.
5818         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5819         parameter to the call to gold::gc_process_relocs.
5820         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5821         template parameter to the call to gold::gc_process_relocs.
5822         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5823         paramter to the call to gold::gc_process_relocs.
5824         * gc.h (get_embedded_addend_size): New function.
5825         (gc_process_relocs): Save the size of the reloc for use by ICF.
5826         * icf.cc (get_section_contents): Get the addend from the text section
5827         for SHT_REL relocation sections.
5828         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5829         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5830         * int_encoding.h (read_from_pointer): New overloaded function.
5831         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5832         * testsuite/icf_sht_rel_addend_test.sh: New file.
5833         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5834         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5835
5836 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5837
5838         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5839         * Makefile.in: Regenerate.
5840         * testsuite/Makefile.in: Regenerate.
5841
5842 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5843
5844         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5845         * gold/testsuite/debug_msg.cc: Likewise.
5846         * gold/testsuite/odr_violation1.cc
5847         * gold/testsuite/odr_violation2.cc
5848
5849 2010-07-21  Cary Coutant  <ccoutant@google.com>
5850
5851         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5852         string, and length fields.
5853         (Output_merge_string::Merged_strings_list): New type.
5854         (Output_merge_string::Merged_strings_lists): New typedef.
5855         (Output_merge_string): Replace merged_strings_ with
5856         merged_strings_lists_.
5857         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5858         Merged_strings_list per input object and section.  Don't store pointer
5859         to the string.  Don't store length with each merged string entry.
5860         (Output_merge_string::finalize_merged_data): Loop over list of merged
5861         strings lists.  Recompute length of each merged string.
5862
5863 2010-07-15  Cary Coutant  <ccoutant@google.com>
5864
5865         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5866         here.
5867
5868 2010-07-14  Ian Lance Taylor  <iant@google.com>
5869
5870         * descriptors.cc (Descriptors::open): Report correct name in error
5871         message.
5872
5873 2010-07-13  Doug Kwan  <dougkwan@google.com>
5874
5875         * arm.cc (Arm_input_section::Arm_input_section): For a
5876         SHT_ARM_EXIDX section, always keeps the input sections.
5877         (Arm_input_section::set_exidx_section_link): New method.
5878         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5879         has_errors_ to false.
5880         (Arm_exidx_input_section::has_errors,
5881         Arm_exidx_input_section::set_has_errors): New methods.
5882         (Arm_exidx_input_section::has_errors_): New data member.
5883         (Arm_relobj::get_exidx_shndx_list): New method.
5884         (Arm_output_section::append_text_sections_to_list): Do not skip
5885         section without SHF_EXECINSTR.
5886         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5887         errors.
5888         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5889         section header.  Make error messages more verbose.  Check for
5890         a non-executable section linked to an EXIDX section.
5891         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5892         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5893         check that there is no deferred EXIDX section if we exit early.
5894         Instead of not making an EXIDX section in case of an error, make one
5895         and set the has_errors flag of it.
5896         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5897         in a relocatable link.
5898         (Target_arm::do_relax): Look for the EXIDX output section instead of
5899         assuming that it is called .ARM.exidx.
5900         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5901         section list.  Do not check for SHF_EXECINSTR section flags but
5902         skip any input section with errors.
5903         * output.cc (Output_section::Output_section): Initialize
5904         always_keeps_input_sections_ to false.
5905         (Output_section::add_input_section): Check for
5906         always_keeps_input_sections_.
5907         *  output.h (Output_section::always_keeps_input_sections,
5908         Output_section::set_always_keeps_input_sections): New methods.
5909         (Output_section::always_keeps_input_sections): New data member.
5910
5911 2010-07-13  Rafael Espindola  <espindola@google.com>
5912
5913         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5914         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5915
5916 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5917             Ian Lance Taylor  <iant@google.com>
5918
5919         * output.h (Output_section_lookup_maps::add_merge_section):
5920         Correct check of whether value was inserted.
5921         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5922         (Output_section_lookup_maps::add_relaxed_input_section):
5923         Likewise.
5924         * arm.cc (Target_arm::got_section): Remove used local os.
5925         * i386.cc (Target_i386::got_section): Likewise.
5926         * x86_64.cc (Target_x86_64::got_section): Likewise.
5927         * sparc.cc (Target_sparc::got_section): Likewise.
5928         (Target_sparc::relocate): Remove unused local have_got_offset.
5929         * powerpc.cc (Target_powerpc::relocate): Likewise.
5930
5931 2010-07-13  Ian Lance Taylor  <iant@google.com>
5932
5933         * compressed_output.cc (zlib_decompress): Fix signature in
5934         !HAVE_ZLIB_H case.
5935
5936         * archive.cc (Archive::include_member): Unlock an external member
5937         of a thin archive.  Don't bother to delete an object we know is
5938         NULL.
5939
5940 2010-07-12  Cary Coutant  <ccoutant@google.com>
5941
5942         * compressed_output.cc (zlib_decompress): New function.
5943         (get_uncompressed_size): New function.
5944         (decompress_input_section): New function.
5945         * compressed_output.h (get_uncompressed_size): New function.
5946         (decompress_input_section): New function.
5947         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5948         Handle compressed debug sections.
5949         * layout.cc (is_compressed_debug_section): New function.
5950         (Layout::output_section_name): Map compressed section names to
5951         canonical names.
5952         * layout.h (is_compressed_debug_section): New function.
5953         (is_debug_info_section): Recognize compressed debug sections.
5954         * merge.cc: Include compressed_output.h.
5955         (Output_merge_data::do_add_input_section): Handle compressed
5956         debug sections.
5957         (Output_merge_string::do_add_input_section): Handle compressed
5958         debug sections.
5959         * object.cc: Include compressed_output.h.
5960         (Sized_relobj::Sized_relobj): Initialize new data members.
5961         (build_compressed_section_map): New function.
5962         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5963         * object.h (Object::section_is_compressed): New method.
5964         (Object::do_section_is_compressed): New method.
5965         (Sized_relobj::Compressed_section_map): New type.
5966         (Sized_relobj::do_section_is_compressed): New method.
5967         (Sized_relobj::compressed_sections_): New data member.
5968         * output.cc (Output_section::add_input_section): Handle compressed
5969         debug sections.
5970         * reloc.cc: Include compressed_output.h.
5971         (Sized_relobj::write_sections): Handle compressed debug sections.
5972
5973 2010-07-08  Cary Coutant  <ccoutant@google.com>
5974
5975         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5976         weak when resolving to a dynamic def.
5977         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5978         for weak undef/dynamic def cases. Adjust callers.
5979         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5980         undef_binding_weak_.
5981         (Symbol_table::sized_write_globals): Adjust symbol binding.
5982         (Symbol_table::sized_write_symbol): Add binding parameter.
5983         * symtab.h (Symbol::set_undef_binding): New method.
5984         (Symbol::is_undef_binding_weak): New method.
5985         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5986         (Symbol_table::should_override): Add new parameter.
5987         (Symbol_table::sized_write_symbol): Add new parameter.
5988
5989         * testsuite/weak_undef_file1.cc: Add new test case.
5990         * testsuite/weak_undef_file2.cc: Fix header comment.
5991         * testsuite/weak_undef_test.cc: Add new test case.
5992
5993 2010-06-29  Doug Kwan  <dougkwan@google.com>
5994
5995         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5996         Initialize USE_SYMBOL_.
5997         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5998         definition.
5999         (Arm_reloc_property::uses_symbol_): New data member declaration.
6000         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6001         uses symbol value and symbol is undefined but not weakly undefined.
6002
6003 2010-06-28  Rafael Espindola  <espindola@google.com>
6004
6005         * plugin.cc (Plugin::load): Use dlerror.
6006
6007 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6008
6009         * symtab.cc (detect_odr_violations): When reporting an ODR
6010         violation, report an object where the symbol is defined.
6011
6012 2010-06-25  Doug Kwan  <dougkwan@google.com>
6013
6014         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6015         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6016         definition.
6017         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6018         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6019         target hook to detect function points.
6020         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6021         * icf.h (Icf::check_section_for_function_pointers): Change type of
6022         parameter SECTION_NAME to const reference to std::string.  Use
6023         target hook to determine if section may have unsafe pointers.
6024         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6025         method definition.
6026
6027 2010-06-21  Rafael Espindola  <espindola@google.com>
6028
6029         * fileread.cc (Input_file::find_fie): New
6030         (Input_file::open): Use Input_file::find_fie.
6031         * fileread.h (Input_file::find_fie): New
6032         * plugin.cc (set_extra_library_path): New.
6033         (Plugin::load): Add set_extra_library_path to the transfer vector.
6034         (Plugin_manager::set_extra_library_path): New.
6035         (Plugin_manager::add_input_file): Use the extra search path if set.
6036         (set_extra_library_path(): New.
6037         * plugin.h (Plugin_manager): Add set_extra_library_path and
6038         extra_search_path_.
6039
6040 2010-06-19  Cary Coutant  <ccoutant@google.com>
6041
6042         * layout.cc (gdb_sections): Add .debug_types.
6043         (lines_only_debug_sections): Likewise.
6044
6045 2010-06-18  Rafael Espindola  <espindola@google.com>
6046
6047         * plugin.cc (add_input_file,add_input_library)
6048         (Plugin_manager::add_input_file): Make filename arguments const.
6049         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6050         const.
6051
6052 2010-06-16  Doug Kwan  <dougkwan@google.com>
6053
6054         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6055         .ARM.attributes section if we have not merged any input
6056         attributes sections.
6057
6058 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6059
6060         * arm.cc: Allow combining objects with no EABI version
6061         information.
6062
6063 2010-06-15  Rafael Espindola  <espindola@google.com>
6064
6065         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6066
6067 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6068
6069         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6070         (struct iovec): Correct !HAVE_READV definition.
6071
6072 2010-06-10  Cary Coutant  <ccoutant@google.com>
6073
6074         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6075         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6076         reloc sections.
6077         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6078
6079         PR 11683
6080         * symtab.h (Symbol::is_placeholder): New member function.
6081         * target-reloc.h (relocate_section): Check for placeholder symbols.
6082
6083         * testsuite/Makefile.am (plugin_test_8): New test.
6084         (plugin_test_9): New test.
6085         * testsuite/Makefile.in: Regenerate.
6086
6087 2010-06-09  Nick Clifton  <nickc@redhat.com>
6088
6089         * yyscript.y (input_list_element): Allow strings prefixed with
6090         the '-' character.  Treat these as libraries.
6091         * script.cc (script_add_library): New function.  Adds a library
6092         specified by "-l<name>" found in an input script.
6093         * script-c.h: Add prototype for script_add_library.
6094
6095 2010-06-07  Doug Kwan  <dougkwan@google.com>
6096
6097         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6098         Restrict stub-group size to be within long conditional branch
6099         range when working around cortex-A8 erratum.
6100
6101 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6102
6103         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6104         #ifdef typo.
6105
6106 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6107
6108         PR gold/11658
6109         * output.cc
6110         (Output_section::Input_section_sort_entry::compare_section_ordering):
6111         Change to return non-zero correctly.
6112         (Output_section::Input_section_sort_section_order_index_compare
6113         ::operator()): Change to fix ambiguity in comparisons.
6114
6115 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6116
6117         * gold.h (is_wildcard_string): New function.
6118         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6119         (Layout::layout_eh_frame): Ditto.
6120         (Layout::find_section_order_index): New method.
6121         (Layout::read_layout_from_file): New method.
6122         * layout.h (Layout::find_section_order_index): New method.
6123         (Layout::read_layout_from_file): New method.
6124         (Layout::input_section_position_): New private member.
6125         (Layout::input_section_glob_): New private member.
6126         * main.cc (main): Call read_layout_from_file here.
6127         * options.h (--section-ordering-file): New option.
6128         * output.cc (Output_section::input_section_order_specified_): New
6129         member.
6130         (Output_section::Output_section): Initialize new member.
6131         (Output_section::add_input_section): Add new parameter.
6132         Keep input sections when --section-ordering-file is used.
6133         (Output_section::set_final_data_size): Sort input sections when
6134         section ordering file is specified.
6135         (Output_section::Input_section_sort_entry): Add new parameter.
6136         Check sorting type.
6137         (Output_section::Input_section_sort_entry::compare_section_ordering):
6138         New method.
6139         (Output_section::Input_section_sort_compare::operator()): Change to
6140         consider section_order_index.
6141         (Output_section::Input_section_sort_init_fini_compare::operator()):
6142         Change to consider section_order_index.
6143         (Output_section::Input_section_sort_section_order_index_compare
6144         ::operator()): New method.
6145         (Output_section::sort_attached_input_sections): Change to sort
6146         according to section order when specified.
6147         (Output_section::add_input_section<32, true>): Add new parameter.
6148         (Output_section::add_input_section<64, true>): Add new parameter.
6149         (Output_section::add_input_section<32, false>): Add new parameter.
6150         (Output_section::add_input_section<64, false>): Add new parameter.
6151         * output.h (Output_section::add_input_section): Add new parameter.
6152         (Output_section::input_section_order_specified): New
6153         method.
6154         (Output_section::set_input_section_order_specified): New method.
6155         (Input_section::Input_section): Initialize section_order_index_.
6156         (Input_section::section_order_index): New method.
6157         (Input_section::set_section_order_index): New method.
6158         (Input_section::section_order_index_): New member.
6159         (Input_section::Input_section_sort_section_order_index_compare): New
6160         struct.
6161         (Output_section::input_section_order_specified_): New member.
6162         * script-sections.cc (is_wildcard_string): Delete and move modified
6163         method to gold.h.
6164         (Output_section_element_input::Output_section_element_input): Modify
6165         call to is_wildcard_string.
6166         (Output_section_element_input::Input_section_pattern
6167         ::Input_section_pattern): Ditto.
6168         (Output_section_element_input::Output_section_element_input): Ditto.
6169         * testsuite/Makefile.am (final_layout): New test case.
6170         * testsuite/Makefile.in: Regenerate.
6171         * testsuite/final_layout.cc: New file.
6172         * testsuite/final_layout.sh: New file.
6173
6174 2010-06-01  Rafael Espindola  <espindola@google.com>
6175
6176         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6177
6178 2010-06-01  Rafael Espindola  <espindola@google.com>
6179
6180         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6181         visibility of symbols.
6182
6183 2010-05-27  Doug Kwan  <dougkwan@google.com>
6184
6185         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6186         from start of output section instead of address for a local symbol
6187         in a merged or relaxed section when doing a relocatable link.
6188
6189 2010-05-26  Rafael Espindola  <espindola@google.com>
6190
6191         PR 11604
6192         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6193         adding sections the garbage collector removed.
6194         * gold/testsuite/Makefile.am: Add test.
6195         * gold/testsuite/Makefile.in: Regenerate.
6196         * gold/testsuite/plugin_test_7.sh: New.
6197         * gold/testsuite/plugin_test_7_1.c: New.
6198         * gold/testsuite/plugin_test_7_2.c: New.
6199
6200 2010-05-26  Rafael Espindola  <espindola@google.com>
6201
6202         * script-sections.cc (Output_section_definition::set_section_addresses):
6203         Check for --section-start.
6204
6205 2010-05-26  Doug Kwan  <dougkwan@google.com>
6206
6207         * arm.cc (Arm_scan_relocatable_relocs): New class.
6208         (Target_arm::relocate_special_relocatable): New method.
6209         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6210         (Arm_relocate_functions::thumb_branch_common): Same.
6211         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6212         instead of Default_scan_relocatable_relocs.
6213         * target-reloc.h (relocate_for_relocatable): Let target handle
6214         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6215         * target.h (Sized_target::relocate_special_relocatable): New method.
6216
6217 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6218
6219         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6220
6221 2010-05-23  Doug Kwan  <dougkwan@google.com>
6222
6223         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6224         instead of a cast.
6225         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6226         with a direct branch, not a conditional branch, to a stub.
6227         * merge.cc (Output_merge_base::record_input_section): New method
6228         defintion.
6229         (Output_merge_data::do_add_input_section): Record input section if
6230         keeps-input-sections flag is set.
6231         (Output_merge_string::do_add_input_section): Ditto.
6232         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6233         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6234         INPUT_SECTIONS_.
6235         (Output_merge_base::keeps_input_sections,
6236         Output_merge_base::set_keeps_input_sections,
6237         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6238         method definitions.
6239         (Output_merge_base::Input_sections): New type declaration.
6240         (Output_merge_base::input_sections_begin,
6241         Output_merge_base::input_sections_end,
6242         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6243         (Output_merge_base::bool keeps_input_sections_,
6244         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6245         Output_merge_base::input_sections_): New data members.
6246         (Output_merge_data::do_set_keeps_input_sections): New method
6247         defintion.
6248         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6249         * output.cc (Output_section::Input_section::relobj): Move method
6250         defintion from class declaration to here and handle merge sections.
6251         (Output_section::Input_section::shndx): Ditto.
6252         (Output_section::Output_section): Remove initializations of removed
6253         data members and initialize new data member LOOKUP_MAPS_.
6254         (Output_section::add_input_section): Set keeps-input-sections flag
6255         for a newly created merge output section as appropriate.  Adjust code
6256         to use Output_section_lookup_maps class.
6257         (Output_section::add_relaxed_input_section): Adjst code for lookup
6258         maps code refactoring.
6259         (Output_section::add_merge_input_section): Add a new parameter
6260         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6261         class.  If adding input section to a newly created merge output
6262         section fails, remove the new merge section.
6263         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6264         Adjust code for use of the Output_section_lookup_maps class.
6265         (Output_section::find_merge_section): Ditto.
6266         (Output_section::build_lookup_maps): New method defintion.
6267         (Output_section::find_relaxed_input_section): Adjust code to use
6268         Output_section_lookup_maps class.
6269         (Output_section::get_input_sections): Export merge sections.  Adjust
6270         code to use Output_section_lookup_maps class.
6271         (Output_section:::add_script_input_section): Adjust code to use
6272         Output_section_lookup_maps class.  Update lookup maps for merge
6273         sections also.
6274         (Output_section::discard_states): Use Output_section_lookup_maps.
6275         (Output_section::restore_states): Same.
6276         * output.h (Merge_section_properties): Move class defintion out of
6277         Output_section.
6278         (Output_section_lookup_maps): New class.
6279         (Output_section::Input_section::is_merge_section): New method
6280         defintion.
6281         (Output_section::Input_section::relobj): Move defintion out of class
6282         defintion.  Declare method only.
6283         (Output_section::Input_section::shndx): Ditto.
6284         (Output_section::Input_section::output_merge_base): New method defintion.
6285         (Output_section::Input_section::u2_.pomb): New union field.
6286         (Output_section::Merge_section_by_properties_map,
6287         Output_section::Output_section_data_by_input_section_map,
6288         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6289         Remove types.
6290         (Output_section::add_merge_input_section): Add new parameter
6291         KEEPS_INPUT_SECTIONS.
6292         (Output_section::build_lookup_maps): New method declaration.
6293         (Output_section::merge_section_map_,
6294         Output_section::merge_section_by_properties_map_,
6295         Output_section::relaxed_input_section_map_,
6296         Output_section::is_relaxed_input_section_map_valid_): Remove data
6297         members.
6298         (Output_section::lookup_maps_): New data member.
6299
6300 2010-05-21  Doug Kwan  <dougkwan@google.com>
6301
6302         PR gold/11619
6303         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6304         avoid a compilation error.
6305
6306 2010-05-19  Rafael Espindola  <espindola@google.com>
6307
6308         * script-sections.cc (Output_section_definition::allocate_to_segment):
6309         Update the phdrs_list even when the output section is NULL.
6310         * testsuite/Makefile.am: Add test.
6311         * testsuite/Makefile.in: Regenerate.
6312         * testsuite/script_test_9.cc: New.
6313         * testsuite/script_test_9.sh: New.
6314         * testsuite/script_test_9.t: New.
6315
6316 2010-05-19  Doug Kwan  <dougkwan@google.com>
6317
6318         * arm.cc (Arm_input_section::original_size): New method.
6319         (Arm_input_section::do_addralign): Add a cast.
6320         (Arm_input_section::do_output_offset): Remove static cast.
6321         (Arm_input_section::original_addralign,
6322          Arm_input_section::original_size_): Change type to uint32_t.
6323         (Arm_input_section::init): Add safe casts for section alignment
6324         and size.
6325         (Arm_input_section::set_final_data_size): Do not set address and
6326         offset of stub table.
6327         (Arm_output_section::fix_exidx_coverage): Change use of of
6328         Output_section::Simple_input_section to that of
6329         Output_section::Input_section.
6330         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6331         except for the first pass.
6332         * output.cc (Output_section::get_input_sections): Change type of
6333         input_sections to std::list<Input_section>.
6334         (Output_section::add_script_input_section): Rename from
6335         Output_section::add_simple_input_section.  Change type of SIS
6336         parameter from Simple_input_section to Input_section.
6337         * output.h (Output_section::Simple_input_section): Remove class.
6338         (Output_section::Input_section): Change class visibility to public.
6339         (Output_section::Input_section::addralign): Use stored alignments
6340         for special input sections if set.
6341         (Output_section::Input_section::set_addralign): New method.
6342         (Output_section::get_input_sections): Change parameter type from
6343         list of Simple_input_section to list of Input_section.
6344         (Output_section::add_script_input_section): Rename from
6345         Output_section::add_simple_input_section. Change first parameter's
6346         type from Simple_input_section to Input_section and remove the
6347         second and third parameters.
6348         * script-sections.cc (Input_section::Input_section_list): Change
6349         type to list of Output_section::Input_section/
6350         (Input_section_info::Input_section_info): Change parameter type of
6351         INPUT_SECTION to Output_section::Input_section.
6352         (Input_section_info::input_section): Change return type.
6353         (Input_section_info::input_section_): Change type to
6354         Output_section::Input_section.
6355         (Output_section_element_input::set_section_addresses): Adjust code
6356         to use Output_section::Input_section instead of
6357         Output_section::Simple_input_section.  Adjust code for renaming
6358         of Output_section::add_simple_input_section.
6359         (Orphan_output_section::set_section_addresses): Ditto.
6360
6361 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6362
6363         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6364         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6365
6366 2010-05-18  Rafael Espindola  <espindola@google.com>
6367
6368         * options.cc (General_options::finalize): Handle -nostdlib.
6369         * options.h (nostdlib): New option.
6370         * script.cc (script_add_search_dir): Handle -nostdlib.
6371
6372 2010-05-12  Doug Kwan  <dougkwan@google.com>
6373
6374         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6375         attributes section only if there no attributes section after merging.
6376         (Target_arm::merge_object_attributes): Move value of
6377         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6378         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6379         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6380         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6381         and arm_attr_merge_7.stdout.
6382         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6383         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6384         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6385         arm_attr_merge_7b.o): New rules.
6386         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6387         arm_attr_merge_7
6388         * testsuite/Makefile.in: Regenerate.
6389         * testsuite/arm_attr_merge.sh: New file.
6390         * testsuite/arm_attr_merge_[67][ab].s: Same.
6391
6392 2010-05-05  Nick Clifton  <nickc@redhat.com>
6393
6394         * po/es.po: Updated Spanish translation.
6395
6396 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6397
6398         * Makefile.am (install-exec-local): Properly install gold as
6399         default cross linker.
6400         * Makefile.in: Regenerated.
6401
6402 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6403             Nick Clifton  <nickc@redhat.com>
6404
6405         * configure.ac (install_as_default): Define and set to false
6406         unless --enable-gold or --enable-gold=both/gold has been
6407         specified.
6408         * configure: Regenerate.
6409
6410         * Makefile.am (install-exec-local): Install the executable as
6411         'ld.gold'.  If install_as_default is true then also install it as
6412         'ld'.
6413         * Makefile.in: Regenerated.
6414
6415 2010-04-24  Ian Lance Taylor  <iant@google.com>
6416
6417         * layout.cc (Layout::layout_reloc): In relocatable link don't
6418         combine reloc sections for grouped sections.
6419
6420 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6421
6422         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6423         sections that are not ordinary to icf.
6424         * icf.cc (get_section_contents): Handle relocation pointing to section
6425         with no object or shndx information.
6426         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6427         * testsuite/Makefile.in: Regenerate.
6428         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6429         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6430
6431 2010-04-22  Ian Lance Taylor  <iant@google.com>
6432
6433         * expression.cc (Expression::Expression_eval_info): Add
6434         result_alignment_pointer field.
6435         (Expression::eval_with_dot): Add result_alignment_pointer
6436         parameter.  Change all callers.
6437         (Expression::eval_maybe_dot): Likewise.
6438         (class Binary_expression): Add alignment_pointer parameter to
6439         left_value and right_value.  Change all callers.
6440         (BINARY_EXPRESSION): Set result alignment.
6441         (class Trinary_expression): Add alignment_pointer parameter to
6442         arg2_value and arg3_value.  Change all callers.
6443         (Trinary_cond::value): Set result alignment.
6444         (Max_expression::value, Min_expression::value): Likewise.
6445         (Align_expression::value): Likewise.
6446         * script-sections.cc (class Sections_element): Add dot_alignment
6447         parameter to set_section_addresses virtual function.  Update
6448         instantiations.
6449         (class Output_section_element): Likewise.
6450         (Script_sections::create_segments): Add dot_alignment parameter.
6451         Change all callers.
6452         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6453         (Script_sections::set_phdrs_clause_addresses): Likewise.
6454         * script-sections.h: Update declarations.
6455         * script.h: Update declarations.
6456         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6457         min_p_align.
6458         * testsuite/script_test_3.t: Set large alignment.
6459         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6460         segment has expected alignment.
6461
6462 2010-04-22  Nick Clifton  <nickc@redhat.com>
6463
6464         * po/gold.pot: Updated by the Translation project.
6465         * po/vi.po: Updated Vietnamese translation.
6466
6467 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6468
6469         * testsuite/Makefile.am (check_PROGRAMS): Add
6470         icf_virtual_function_folding_test.
6471         * testsuite/Makefile.in: Regenerated.
6472
6473 2010-04-15  Andrew Haley  <aph@redhat.com>
6474
6475         * options.h (merge_exidx_entries): New option.
6476         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6477         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6478         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6479         (Target_arm::merge_exidx_entries): New function.
6480         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6481         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6482         to Arm_exidx_fixup constructor.
6483         Add new arg, merge_exidx_entries.
6484         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6485         Arm_output_section::fix_exidx_coverage.
6486
6487 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6488
6489         * icf.cc (get_section_contents): Check for preemptible functions.
6490         Ignore addend when appropriate.
6491         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6492         section folded.
6493         (add_from_relobj): Check for section folded.
6494         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6495         * symtab.h (should_add_dynsym_entry): Add new parameter.
6496         * target-reloc.h (scan_relocs): Check for section folded.
6497         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6498         Check reloc types for function pointers in shared objects.
6499         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6500         case.
6501         (icf_preemptible_functions_test): New test case.
6502         (icf_string_merge_test): New test case.
6503         * testsuite.Makefile.in: Regenerate.
6504         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6505         bar_glob.  Refactor code.
6506         * testsuite/icf_preemptible_functions_test.cc: New file.
6507         * testsuite/icf_preemptible_functions_test.sh: New file.
6508         * testsuite/icf_string_merge_test.cc: New file.
6509         * testsuite/icf_string_merge_test.sh: New file.
6510         * testsuite/icf_virtual_function_folding_test.cc: New file.
6511         * testsuite/icf_virtual_function_folding_test.sh: New file.
6512
6513 2010-04-14  Doug Kwan  <dougkwan@google.com>
6514
6515         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6516         for local symbol recounting if we remove a section due to ICF.
6517         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6518         there are no regular objects in input.
6519
6520 2010-04-13  Doug Kwan  <dougkwan@google.com>
6521
6522         * arm.cc (Arm_input_section::set_final_data_size): Compute
6523         accurate final data size instead of using current data size.
6524
6525 2010-04-09  Doug Kwan  <dougkwan@google.com>
6526
6527         * layout.cc (Layout::choose_output_section): Handle script section
6528         types.
6529         (Layout::make_output_section_for_script): Add section type parameter.
6530         Handle script section types.
6531         * layout.h (Layout::make_output_section_for_script): Add section
6532         type parameter.
6533         * output.cc (Output_section::Output_section): Initialize data member
6534         is_noload_.
6535         (Output_section::do_reset_address_and_file_offset): Do not set address
6536         to 0 if section is a NOLOAD section.
6537         * output.h (Output_section::is_noload): New method.
6538         (Output_section::set_is_noload): Ditto.
6539         (Output_section::is_noload_): New data member.
6540         * script-c.h (Script_section_type): New enum type.
6541         (struct Parser_output_section_header): Add new file section_type.
6542         * script-sections.cc (Sections_element::output_section_name): Add
6543         parameter for returning script section type.
6544         (Output_section_definition::output_section_name): Ditto.
6545         (Output_section_definition::section_type)P; New method.
6546         (Output_section_definiton::script_section_type_name): Ditto.
6547         (Output_section_definition::script_section_type_): New data member.
6548         (Output_section_definition::Output_section_definition): Initialize
6549         data member Output_section_definition::script_section_type_.
6550         (Output_section_definition::create_sections): Pass script section type
6551         to Layout::make_output_section_for_script.
6552         (Output_section_definition::output_section_name): Return script
6553         section type to caller.
6554         (Output_section_definition::set_section_address): Do not advance
6555         dot value and load address if section type is NOLOAD.  Set address
6556         of NOLOAD sections regardless of section flags.
6557         (Output_section_definition::print): Print section type if it is
6558         not SCRIPT_SECTION_TYPE_NONE.
6559         (Output_section_definition::section_type): New method.
6560         (Output_section_definition::script_section_type_name): Ditto.
6561         (Script_sections::output_section_name): Add new parameter
6562         PSECTION_TYPE for returning script section type.  Pass it to
6563         section elements.  Handle discard sections.
6564         (Sort_output_sections::operator()): Handle NOLOAD sections.
6565         * script-sections.h (Script_sections::Section_type): New enum type.
6566         (Script_sections::output_section_name): Add a new parameter for
6567         returning script section type.
6568         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6569         INFO and NOLOAD.
6570         * yyscript.y (union): Add new field SECTION_TYPE.
6571         (COPY, DSECT, INFO, NOLOAD): New tokens.
6572         (opt_address_and_section_type): Change type to output_section_header.
6573         (section_type): New non-terminal
6574         (section_header): Handle section type.
6575         (opt_address_and_section_type): Return section type value.
6576
6577 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6578
6579         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6580         * testsuite/plugin_common_test_2.c (foo): Likewise.
6581
6582 2010-04-08  Doug Kwan  <dougkwan@google.com>
6583
6584         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6585         Output_merge_data.
6586         * output.cc (Output_section::add_merge_input_section): Simplify
6587         code and return status of Output_merge_base::add_input_section.
6588         Update merge section map only if Output_merge_base::add_input_section
6589         returns true.
6590
6591 2010-04-07  Doug Kwan  <dougkwan@google.com>
6592
6593         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6594         if section is marked as containing instructions but has no mapping
6595         symbols.
6596         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6597         correct section index.
6598         (Arm_relobj::find_linked_text_section): Ditto.
6599
6600 2010-04-07  Cary Coutant  <ccoutant@google.com>
6601
6602         * archive.cc (include_member): Destroy Read_symbols_data object before
6603         releasing file.
6604         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6605         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6606         (Read_symbols_data::~Read_symbols_data) New destructor.
6607         (Section_relocs::Section_relocs) New constructor.
6608         (Section_relocs::~Section_relocs) New destructor.
6609         (Read_relocs_data::Read_relocs_data) New constructor.
6610         (Read_relocs_data::~Read_relocs_data) New destructor.
6611         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6612         pointers to NULL after deleting.
6613
6614 2010-04-07  Doug Kwan  <dougkwan@google.com>
6615
6616         * arm.cc: Replace "endianity" with "endianness" in comments.
6617         (Arm_exidx_cantunwind): Ditto.
6618         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6619         (Arm_relobj::merge_flags_and_attributes): New method.
6620         (Arm_relobj::merge_flags_and_attributes_): New data member.
6621         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6622         (Arm_relobj::scan_sections_for_stubs): Ditto.
6623         (Arm_relobj::do_read_symbols): Check to see if we really want to
6624         merge processor-specific flags and attributes.  Exit early if
6625         an object is empty except for section names and the undefined symbol.
6626         (Target_arm::do_finalize_sections): Move check for ELF format to
6627         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6628         attributes from a regular object only when we have determined that
6629         it is aapropriate.  Do not create an .ARM.attributes section in
6630         output if there is no regular input object.
6631         (Target_arm::merge_processor_specific_flags): Check
6632         --warn-mismatch before printing any error.
6633         (Target_arm::merge_object_attributes): Ditto.
6634         * gold.cc (queue_middle_tasks): Handle the case in which there is
6635         no regular object in input.
6636         * options.cc (General_options::parse_EB): New method.
6637         (General_options::parse_EL): Same.
6638         (General_options::General_options): Initialize endianness_.
6639         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6640         New options.
6641         (General_options::Endianness): New enum.
6642         (General_options::endianness): New method.
6643         (General_options::endianness_): New data member.
6644         * parameters.cc (Parameters::set_options): Check target endianness.
6645         (Parameters::set_target_once): Ditto.
6646         (Parameters::check_target_endianness): New method.
6647         (parameters_force_valid_target): If either -EL or -EB is specified,
6648         use it to define endianness of default target.
6649         * parameters.h (Parameters::check_target_endianness): New method
6650         declaration.
6651         * target.h (class Target): Change "endianity" to "endianness"
6652         in comments.
6653
6654 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6655
6656         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6657         * configure: Regenerate.
6658         * Makefile.in: Regenerate.
6659         * testsuite/Makefile.in: Regenerate.
6660
6661 2010-04-06  Cary Coutant  <ccoutant@google.com>
6662
6663         gcc PR lto/42757
6664         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6665         prevailing definitions of common symbols.
6666         * testsuite/plugin_test_6.sh: New test case.
6667         * testsuite/plugin_common_test_1.c: New test case.
6668         * testsuite/plugin_common_test_2.c: New test case.
6669         * testsuite/Makefile.am (plugin_test_6): New test case.
6670         * testsuite/Makefile.in: Regenerate.
6671
6672 2010-04-06  Nick Clifton  <nickc@redhat.com>
6673
6674         * po/vi.po: New Vietnamese translation.
6675
6676 2010-03-30  Doug Kwan  <dougkwan@google.com>
6677
6678         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6679
6680 2010-03-25  Doug Kwan  <dougkwan@google.com>
6681
6682         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6683         to avoid a conversion warning on a 32-bit host.
6684
6685 2010-03-24  Ian Lance Taylor  <iant@google.com>
6686
6687         * testsuite/script_test_3.t: Add a TLS segment.
6688         * testsuite/Makefile.am (check_PROGRAMS): Add
6689         tls_phdrs_script_test.
6690         (tls_phdrs_script_test_SOURCES): Define.
6691         (tls_phdrs_script_test_DEPENDENCIES): Define.
6692         (tls_phdrs_script_test_LDFLAGS): Define.
6693         (tls_phdrs_script_test_LDADD): Define.
6694         * testsuite/Makefile.in: Rebuild.
6695
6696 2010-03-23  Cary Coutant  <ccoutant@google.com>
6697
6698         * fileread.cc (find_or_make_view): Fix comment.
6699
6700 2010-03-23  Ian Lance Taylor  <iant@google.com>
6701
6702         * script-sections.cc (class Orphan_section_placement): Define
6703         PLACE_TLS and PLACE_TLS_BSS.
6704         (Orphan_section_placement::Orphan_section_placement): Initialize
6705         new places.
6706         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6707         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6708         (tls_script_test_SOURCES): Define.
6709         (tls_script_test_DEPENDENCIES): Define.
6710         (tls_script_test_LDFLAGS): Define.
6711         (tls_script_test_LDADD): Define.
6712         * testsuite/Makefile.in: Rebuild.
6713
6714 2010-03-22  Doug Kwan  <dougkwan@google.com>
6715
6716         * arm.cc (Arm_relocate_functions::abs8,
6717         Arm_relocate_functions::abs16): Use correct check for overflow
6718         specified in the ARM ELF specs.
6719         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6720         target of a BLX instruction specially.
6721         (Reloc_stub::stub_type_for_reloc): Ditto.
6722         (Relocate::relocate): Use symbolic names instead of numeric relocation
6723         codes to report error.
6724         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6725         workaround.
6726         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6727         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6728         thumb2_blx_out_of_range.stdout
6729         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6730         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6731         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6732         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6733         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6734         thumb2_blx_in_range, thumb2_blx_in_range.o,
6735         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6736         thumb2_blx_out_of_range.o): New rules.
6737         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6738         thumb2_blx_in_range and thumb2_blx_out_of_range.
6739         * testsuite/Makefile.in: Regenerate.
6740         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6741         * testsuite/thumb_blx_in_range.s: New file.
6742         * testsuite/thumb_blx_out_of_range.s: New file.
6743
6744 2010-03-22  Rafael Espindola  <espindola@google.com>
6745
6746         * archive.cc (Should_include): Move to archive.h.
6747         (should_include_member): Make it a member of Archive.
6748         (Lib_group): New.
6749         (Add_lib_group_symbols): New.
6750         * archive.h: Include options.h.
6751         (Archive_member): Moved from Archive.
6752         (Should_include): Moved from archive.cc.
6753         (Lib_group): New.
6754         (Add_lib_group_symbols): New.
6755         * dynobj.cc (do_should_include_member): New.
6756         * dynobj.h (do_should_include_member): New.
6757         * gold.cc (queue_initial_tasks): Update call to queue.
6758         * main.cc (main): Print lib group stats.
6759         * object.cc (do_should_include_member): New.
6760         * object.h: Include archive.h.
6761         (Object::should_include_member): New.
6762         (Object::do_should_include_member): New.
6763         (Sized_relobj::do_should_include_member): New.
6764         * options.cc (General_options::parse_start_lib): New.
6765         (General_options::parse_end_lib): New.
6766         (Input_arguments::add_file): Handle lib groups.
6767         (Input_arguments::start_group): Check we are not in a lib.
6768         (Input_arguments::start_lib): New.
6769         (Input_arguments::end_lib): New.
6770         * options.h (General_options): Add start_lib and end_lib.
6771         (Input_argument::lib_): New.
6772         (Input_argument::lib): New.
6773         (Input_argument::is_lib): New.
6774         (Input_file_lib): New.
6775         (Input_arguments::in_lib_): New.
6776         (Input_arguments::in_lib): New.
6777         (Input_arguments::start_lib): New.
6778         (Input_arguments::end_lib_): New.
6779         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6780         in unused members as preempted.
6781         (Sized_pluginobj::do_should_include_member): New.
6782         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6783         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6784         return the blocker.
6785         (Read_symbols::do_whole_lib_group): New.
6786         (Read_symbols::do_lib_group): New.
6787         (Read_symbols::do_read_symbols): Handle lib groups.
6788         (Read_symbols::get_name): Handle lib groups.
6789         * readsyms.h (Read_symbols): Add an archive member pointer.
6790         (Read_symbols::do_whole_lib_group): New.
6791         (Read_symbols::do_lib_group): New.
6792         (Read_symbols::member_): New.
6793         * script.cc (read_input_script): Update call to queue_soon.
6794
6795 2010-03-19  Doug Kwan  <dougkwan@google.com>
6796
6797         * arm.cc (Stub_table::Stub_table): Initialize new data members
6798         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6799         (Stub_table::add_reloc_stub): Assign stub offset and update
6800         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6801         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6802         New data members.
6803         (Stub_table::update_data_size_and_addralign): Use
6804         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6805         instead of going over all reloc stubs.
6806         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6807         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6808         Stringpool_template::offset_ to size of Stringpool_char.
6809         (Stringpool_template::new_key_offset): Remove code to initialize
6810         Stringpool_template::offset_.
6811         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6812         Stringpool_template::offset_ to zero.
6813
6814 2010-03-15  Doug Kwan  <dougkwan@google.com>
6815
6816         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6817         offset_.
6818         (Stringpool_template::new_key_offset): New method.
6819         (Stringpool_template::add_string): Assign offsets when adding new
6820         strings.
6821         (Stringpool_template::set_string_offsets): Do not set string offsets
6822         when not optimizing.
6823         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6824         member size_.
6825         (Chunked_vector::clear): Clear size_.
6826         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6827         (Chunked_vector::size): Return size_.
6828         (Chunked_vector::push_back): Use size_ to find insert position.
6829         (Chunked_vector::size_): New data member.
6830         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6831         (Stringpool_template::new_key_offset): New method declaration.
6832         (Stringpool_template::offset_): New data member.
6833
6834 2010-03-15   Rafael Espindola  <espindola@google.com>
6835
6836         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6837         Add_symbols' constructor.
6838         * readsyms.h (Add_symbols): Remove the input_group member.
6839
6840 2010-03-10  Ian Lance Taylor  <iant@google.com>
6841
6842         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6843         target to ask whether a reference to a symbol requires a stack
6844         split.
6845         * target.h (Target::is_call_to_non_split): New function.
6846         (Target::do_is_call_to_non_split): Declare virtual function.
6847         * target.cc: Include "symtab.h".
6848         (Target::do_is_call_to_non_split): New function.
6849         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6850
6851 2010-03-10  Cary Coutant  <ccoutant@google.com>
6852
6853         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6854         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6855         (File_read::open[2]): Add whole_file_view_ to list of views.
6856         (File_read::make_view): Remove test of whole_file_view_.
6857         (File_read::find_or_make_view): Create whole_file_view_ if
6858         necessary.
6859         (File_read::clear_views): Replace bool parameter with enum;
6860         adjust all callers.  Don't delete views with permanent data;
6861         do delete cached views and views from archives if
6862         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6863         if clearing the corresponding view.
6864         * fileread.h (File_read::Clear_views_mode): New enum.
6865         (File_read::View::is_permanent_view): New method.
6866         (File_read::clear_views): Replace bool parameter
6867         with enum; adjust all callers.
6868         * options.h (General_options): Change keep_files_mapped option;
6869         add map_whole_files.
6870         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6871         releasing the file.
6872         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6873         the file.
6874
6875 2010-03-10  David S. Miller  <davem@davemloft.net>
6876
6877         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6878
6879 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6880
6881         * icf.cc (get_section_contents): Add '@' marker after processing the
6882         merge reloc.
6883
6884 2010-03-08  Doug Kwan  <dougkwan@google.com>
6885
6886         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6887         due to a conversion warning.
6888         (Arm_relobj::update_output_local_symbol_count): Check for local
6889         symbol with unset output index.
6890
6891 2010-03-05  Ian Lance Taylor  <iant@google.com>
6892
6893         * options.h (class General_options): Add --spare-dynamic-tags.
6894         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6895         --spare-dynamic-tags.
6896
6897 2010-03-05  Ian Lance Taylor  <iant@google.com>
6898
6899         * incremental.cc: Include "libiberty.h".
6900
6901 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6902
6903         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6904         function, is_info_ member.
6905         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6906         (Versions::Versions): Update caller.
6907         (Versions::define_base_version): Likewise.
6908         (Versions::add_def): Likewise.
6909
6910 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6911
6912         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6913         (Scan::possible_function_pointer_reloc): New function.
6914         (Scan::local_reloc_may_be_function_pointer): Change to call
6915         possible_function_pointer_reloc.
6916         (Scan::global_reloc_may_be_function_pointer): Ditto.
6917         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6918         relocations in ".data.rel.ro._ZTV" section.
6919         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6920         * testsuite/icf_safe_so_test.cc: Ditto.
6921         * testsuite/icf_safe_test.cc: Ditto.
6922         * testsuite/icf_safe_test.sh: Ditto.
6923
6924 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6925             Ian Lance Taylor  <iant@google.com>
6926
6927         * target-reloc.h (relocate_section): Check the symbol table index
6928         for -1U before setting the local symbol index.
6929         (scan_relocatable_relocs): If copying the relocation, record that
6930         the local symbol is required.
6931         * object.h (Symbol_value::is_output_symtab_index_set): New
6932         function.
6933         (Symbol_value::may_be_discarded_from_output_symtab): New
6934         function.
6935         (Symbol_value::has_output_symtab_entry): New function.
6936         (Symbol_value::needs_output_symtab_entry): Remove.
6937         (Symbol_value::output_symtab_index): Make sure the symbol index is
6938         set.
6939         (Symbol_value::set_output_symtab_index): Make sure the symbol
6940         index is not set.  Make sure the new index is valid.
6941         (Symbol_value::set_must_have_output_symtab_entry): New function.
6942         (Symbol_value::has_output_dynsym_entry): New function.
6943         (Symbol_value::set_output_dynsym_index): Make sure the new index
6944         is valid.
6945         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6946         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6947         local symbol if permitted.
6948         (Sized_relobj::do_finalize_local_symbols): Call
6949         is_output_symtab_index_set rather than needs_output_symtab_entry.
6950         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6951         rather than needs_output_symtab_entry.  Call
6952         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6953         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6954         is_output_symtab_index_set rather than needs_output_symtab_entry.
6955         * testsuite/discard_locals_relocatable_test.c: New file.
6956         * testsuite/discard_locals_test.sh: Test -r.
6957         * testsuite/Makefile.am (check_DATA): Add
6958         discard_locals_relocatable_test1.syms,
6959         discard_local_relocatable_test2.syms.
6960         (MOSTLYCLEANFILES): Likewise.  Also add
6961         discard_locals_relocatable_test1.lout and
6962         discard_locals_relocatable_test2.out.
6963         (discard_locals_relocatable_test1.syms): New target.
6964         (discard_locals_relocatable_test.o): New target.
6965         (discard_locals_relocatable_test1.out): New target.
6966         (discard_locals_relocatable_test2.syms): New target.
6967         (discard_locals_relocatable_test2.out): New target.
6968         (various): Add missing ../ld-new dependencies.
6969         * testsuite/Makefile.in: Rebuild.
6970
6971 2010-03-03  Nick Clifton  <nickc@redhat.com>
6972
6973         * po/fi.po: New Finnish translation.
6974
6975 2010-03-01  Doug Kwan  <dougkwan@google.com>
6976
6977         * layout.cc (Layout::Layout): Force section types of .init_array*,
6978         .preinit_array* and .fini_array* sections.
6979         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6980         Fix check of return value of std::string::find.().
6981         (Output_section::Input_section_sort_compare::operator()): Remove
6982         comment about .init_array.
6983         (Output_section::Input_section_sort_init_fini_compare::operator()):
6984         New method.
6985         (Output_section::sort_attached_input_sections): Handle .init_array
6986         and .fini_array specially.
6987         * output.h (Output_section::Inut_section_sort_compare): Update
6988         comment.
6989         (Output_section::Input_section_sort_init_fini_compare): New struct.
6990
6991 2010-02-26  Doug Kwan  <dougkwan@google.com>
6992
6993         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6994         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6995         * testsuite/debug_msg.sh: Avoid matching source line number for
6996         use of global variable undef_int.
6997
6998 2010-02-26  Doug Kwan  <dougkwan@google.com>
6999
7000         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7001         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7002         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7003         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7004         * options.cc (General_options::General_options): Initialize member
7005         fix_v4bx_.
7006         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7007         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7008         and rm_no_fix_v4bx.stdout
7009         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7010         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7011         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7012         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7013         and arm_no_fix_v4bx.
7014         * Makefile.in: Regenerate.
7015         * testsuite/arm_fix_v4bx.s: New file.
7016         * testsuite/arm_fix_v4bx.sh: Ditto.
7017
7018 2010-02-24  Doug Kwan  <dougkwan@google.com>
7019
7020         * arm.cc (Target_arm::got_section): Make the .got section the first
7021         non RELRO section in the data segment.
7022         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7023         suffixes of section names.
7024
7025 2010-02-24  Doug Kwan  <dougkwan@google.com>
7026
7027         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7028         flags and attributes merging if an input file is a binary file.
7029         * fileread.cc (Input_file::open): Record format of original file.
7030         * fileread.h (Input_file::Format): New enum type.
7031         (Input_file::Input_file): Initialize data member format_.
7032         (Input_file::format): New method definition.
7033         (Input_file::format_):: New data member.
7034
7035 2010-02-24  Doug Kwan  <dougkwan@google.com>
7036
7037         * arm.cc (Arm_output_data_got): New class.
7038         (ARM_TCB_SIZE): New constant
7039         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7040         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7041         If user uses a script with a SECTIONS clause, issue only a warning
7042         for a misplaced EXIDX input section.  Otherwise, issue an error.
7043         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7044         garbage collection.
7045         (Target_arm::got_mode_index_entry): Handle static linking.
7046         (Target_arm::Scan::local): Ditto.
7047         (Target_arm::Scan::global): Ditto.
7048         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7049         all incorrectly implemented relocations.
7050         (Target_arm::fix_exidx_coverage): Pass layout to
7051         Arm_output_section::fix_exidx_coverage.
7052         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7053         from ".ARM.exidx." and ".ARM.extab.".
7054
7055 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7056
7057         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7058         section if it does not already exist.
7059         * attributes.cc (Attributes_section_data::Attributes_section_data):
7060         Don't crash if size is zero.
7061
7062 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7063             Ian Lance Taylor  <iant@google.com>
7064
7065         * gold.cc (queue_middle_tasks): If no input files were opened,
7066         exit.
7067         * workqueue.h (Task_function::Task_function): Assert that there is
7068         a blocker.
7069
7070 2010-02-22  Doug Kwan  <dougkwan@google.com>
7071
7072         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7073         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7074         types to avoid warnings due to different uint64_t implementations
7075         on different hosts.
7076
7077 2010-02-21  Doug Kwan  <dougkwan@google.com>
7078
7079         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7080         handling of the maximum backward branch offset.
7081         (Arm_relocate_functions::thumb_branch_common): Ditto.
7082         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7083         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7084         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7085         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7086         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7087         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7088         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7089         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7090         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7091         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7092         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7093         thumb2_bl_out_of_range.o): New rules.
7094         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7095         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7096         thumb2_bl_out_of_range
7097         * testsuite/Makefile.in: Regenerate.
7098         * testsuite/arm_bl_in_range.s: New file.
7099         * testsuite/arm_bl_out_of_range.s: Ditto.
7100         * testsuite/arm_branch_in_range.sh: Ditto.
7101         * testsuite/arm_branch_range.t: Ditto.
7102         * testsuite/thumb2_branch_range.t: Ditto.
7103         * testsuite/thumb_bl_in_range.s: Ditto.
7104         * testsuite/thumb_bl_out_of_range.s: Ditto.
7105         * testsuite/thumb_branch_range.t: Ditto.
7106
7107 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7108
7109         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7110         Add reloc offset information.
7111         * icf.cc (get_section_contents): Change iterators to point to the new
7112         vectors. Add reloc offset information to the contents.
7113         * icf.h (Icf::Sections_reachable_info): New typedef.
7114         (Icf::Sections_reachable_list): New typedef.
7115         (Icf::Offset_info): New typedef.
7116         (Icf::Reloc_info): New struct typedef.
7117         (Icf::Reloc_info_list): New typedef.
7118         (Icf::symbol_reloc_list): Delete method.
7119         (Icf::addend_reloc_list): Delete method.
7120         (Icf::section_reloc_list): Delete method.
7121         (Icf::reloc_info_list): New method.
7122         (Icf::reloc_info_list_): New member.
7123
7124 2010-02-19  Doug Kwan  <dougkwan@google.com>
7125
7126         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7127         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7128         * arm.cc (Arm_relocation_functions): New forward declaration.
7129         (Target_arm::Target_arm): Initialize new data members
7130         got_mod_index_offset_ and tls_base_symbol_defined_.
7131         (Target_arm::Relocate::relocate_tls): New method.
7132         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7133          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7134         New methods.
7135         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7136         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7137         (Target_arm::got_mod_index_offset_,
7138         Target_arm::tls_base_symbol_defined_): New data members.
7139         (Target_arm::Scan::local, Target::Scan::global,
7140         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7141         relocations.
7142
7143 2010-02-18  Doug Kwan  <dougkwan@google.com>
7144
7145         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7146         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7147         text section as a parameter becuase some broken tools may not set
7148         the link in section header.
7149         (Target_arm::has_got_section): New method.
7150         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7151         without any mapping symbol as data only.  Remove warning.
7152         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7153         link in its section header, try to discover the link by inspecting the
7154         REL31 relocation at the beginning of the section.
7155         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7156         in error message.
7157         (Target_arm::Scan::global): Treat any reference to the symbol
7158         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7159
7160 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7161
7162         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7163         (Scan::global_reloc_may_be_function_pointer): New function.
7164         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7165         (Scan::global_reloc_may_be_function_pointer): New function.
7166         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7167         (Scan::global_reloc_may_be_function_pointer): New function.
7168         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7169         (Scan::global_reloc_may_be_function_pointer): New function.
7170         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7171         (Scan::global_reloc_may_be_function_pointer): New function.
7172         (Scan::possible_function_pointer_reloc): New function.
7173         (Target_x86_64::can_check_for_function_pointers): New function.
7174         * gc.h (gc_process_relocs): Scan relocation types to determine if
7175         function pointers were taken for targets that support it.
7176         * icf.cc (Icf::find_identical_sections): Include functions for
7177         folding in safe ICF whose pointer is not taken.
7178         * icf.h (Secn_fptr_taken_set): New typedef.
7179         (fptr_section_id_): New member.
7180         (section_has_function_pointers): New function.
7181         (set_section_has_function_pointers): New function.
7182         (check_section_for_function_pointers): New function.
7183         * options.h: Fix comment for safe ICF option.
7184         * target.h (can_check_for_function_pointers): New function.
7185         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7186         Modify icf_safe_test for X86-64.
7187         * testsuite/Makefile.in: Regenerate.
7188         * testsuite/icf_safe_so_test.cc: New file.
7189         * testsuite/icf_safe_so_test.sh: New file.
7190         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7191         (main): Change to take pointer to function kept_func_3.
7192         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7193         folding is done correctly for X86-64.
7194
7195 2010-02-12  David S. Miller  <davem@davemloft.net>
7196
7197         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7198         is_symbolless parameter.
7199         (Output_reloc<SHT_REL>::is_symbolless): New.
7200         (Output_reloc<SHT_REL>::is_symbolless_): New.
7201         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7202         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7203         (Output_reloc<SHT_RELA>::is_symbolless): New.
7204         (Output_data_reloc::add_global): Handle is_symbolless.
7205         (Output_data_reloc::add_global_relative): Likewise.
7206         (Output_data_reloc::add_local): Likewise.
7207         (Output_data_reloc::add_local_relative): Likewise.
7208         (Output_data_reloc::add_symbolless_global_addend): New.
7209         (Output_data_reloc::add_symbolless_local_addend): New.
7210         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7211         is_symbolless.
7212         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7213         instead of ->is_relative_
7214         (Output_reloc::write): Likewise.
7215         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7216         (Output_reloc::write_rel): Simplify.
7217
7218         * sparc.cc (Target_sparc::Scan::local): Use
7219         ->add_symbolless_local_addend as needed.
7220         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7221         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7222         based upon relocation offset.
7223
7224 2010-02-11  Doug Kwan  <dougkwan@google.com>
7225
7226         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7227         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7228         beginning of function.
7229         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7230         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7231         parameter is_32bit in calls to should_apply_static_reloc.
7232         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7233         (check_DATA): Add arm_abs_global.stdout.
7234         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7235         arm_abs_global.stdout): New rules.
7236         (MOSTLLYCLEANFILES): Add arm_abs_global
7237         * Makefile.in: Regenerate.
7238         * testsuite/arm_abs_global.s: New file.
7239         * testsuite/arm_abs_global.sh: Ditto.
7240         * testsuite/arm_abs_lib.s: Ditto.
7241
7242 2010-02-11  Ian Lance Taylor  <iant@google.com>
7243
7244         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7245         Read_relocs task.
7246         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7247         Allocate_commons_task first.
7248         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7249         task, rather than symtab_lock_.
7250         (Gc_process_relocs::~Gc_process_relocs): New function.
7251         (Gc_process_relocs::is_runnable): Check this_blocker_.
7252         (Gc_process_relocs::locks): Use next_blocker_ rather than
7253         blocker_.
7254         (Scan_relocs::~Scan_relocs): New function.
7255         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7256         symtab_lock_.
7257         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7258         next_blocker_.
7259         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7260         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7261         constructor accordingly.
7262         (class Gc_process_relocs): Likewise.
7263         (class Scan_relocs): Likewise.
7264         * common.h (class Allocate_commons_task): Remove symtab_lock_
7265         field, and corresponding constructor parameter.
7266         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7267         symtab_lock_.
7268         (Allocate_commons_task::locks): Likewise.
7269
7270 2010-02-11  Ian Lance Taylor  <iant@google.com>
7271
7272         * gold-threads.h (class Once): Define.
7273         (class Initialize_lock): Rewrite as child of Once.
7274         * gold-threads.cc (class Once_initialize): Define.
7275         (once_pointer_control): New static variable.
7276         (once_pointer, once_arg): New static variables.
7277         (c_run_once): New static function.
7278         (Once::Once, Once::run_once, Once::internal_run): New functions.
7279         (class Initialize_lock_once): Remove.
7280         (initialize_lock_control): Remove.
7281         (initialize_lock_pointer): Remove.
7282         (initialize_lock_once): Remove.
7283         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7284         (Initialize_lock::initialize): Rewrite.
7285         (Initialize_lock::do_run_once): New function.
7286         * archive.cc (Archive::interpret_header): Only clear name if it is
7287         not already empty.
7288         * fileread.cc: Include "gold-threads.h"
7289         (file_counts_lock): New static variable.
7290         (file_counts_initialize_lock): Likewise.
7291         (File_read::release): Only increment counts when using --stats.
7292         Use a lock around the increment.
7293         * parameters.cc (class Set_parameters_target_once): Define.
7294         (set_parameters_target_once): New static variable.
7295         (Parameters::Parameters): Move here from parameters.h.
7296         (Parameters::set_target): Rewrite.
7297         (Parameters::set_target_once): New function.
7298         (Parameters::clear_target): Move here and rewrite.
7299         * parameters.h (class Parameters): Update declarations.  Add
7300         set_parameters_target_once_ field.
7301         (Parameters::Parameters): Move to parameters.cc.
7302         (Parameters::clear_target): Likewise.
7303         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7304         task.
7305         (Start_group::~Start_group): New function.
7306         (Start_group::is_runnable): New function.
7307         (Start_group::locks, Start_group::run): New functions.
7308         (Finish_group::run): Change saw_undefined to size_t.
7309         * readsyms.h (class Start_group): Define.
7310         (class Finish_group): Change saw_undefined_ field to size_t.
7311         (Finish_group::Finish_group): Remove saw_undefined and
7312         this_blocker parameters.  Change all callers.
7313         (Finish_group::set_saw_undefined): New function.
7314         (Finish_group::set_blocker): New function.
7315         * symtab.h (class Symbol_table): Change saw_undefined to return
7316         size_t.  Change saw_undefined_ field to size_t.
7317         * target-select.cc (Set_target_once::do_run_once): New function.
7318         (Target_selector::Target_selector): Initialize set_target_once_
7319         field.  Don't initialize lock_ and initialize_lock_ fields.
7320         (Target_selector::instantiate_target): Rewrite.
7321         (Target_selector::set_target): New function.
7322         * target-select.h (class Set_target_once): Define.
7323         (class Target_selector): Update declarations.  Make
7324         Set_target_once a friend.  Remove lock_ and initialize_lock_
7325         fields.  Add set_target_once_ field.
7326
7327 2010-02-10  Ian Lance Taylor  <iant@google.com>
7328
7329         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7330         queueing any tasks.
7331         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7332         (queue_middle_tasks): Add all blockers before queueing any tasks.
7333         (queue_final_tasks): Likewise.
7334         * token.h (Task_token::add_blockers): New function.
7335         * object.h (Input_objects::number_of_relobjs): New function.
7336
7337 2010-02-10  Ian Lance Taylor  <iant@google.com>
7338
7339         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7340         shared, not if not position independent.
7341         * x86_64.cc (Relocate::relocate_tls): Likewise.
7342         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7343         (tls_pie_pic_test): New target.
7344         * testsuite/Makefile.in: Rebuild.
7345
7346         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7347         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7348         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7349         * testsuite/Makefile.in: Rebuild.
7350
7351 2010-02-09  David S. Miller  <davem@davemloft.net>
7352
7353         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7354         R_SPARC_RELATIVE using ->add_local_relative().
7355         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7356
7357         * output.h (Output_data_dynamic::add_section_size): New method
7358         that takes two Output_data objects.
7359         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7360         entry param.  Handle it in initializers.
7361         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7362         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7363         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7364         arg.
7365         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7366         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7367         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7368         for dynrel_includes_plt.
7369         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7370         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7371         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7372         before .rela.plt
7373         (Target_sparc::do_finalize_sections): Update to pass true for
7374         dynrel_includes_plt.
7375         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7376         output before .rela.plt
7377         (Target_powerpc::do_finalize_sections): Update to pass true for
7378         dynrel_includes_plt when 32-bit.
7379
7380 2010-02-08  Doug Kwan  <dougkwan@google.com>
7381
7382         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7383         method.
7384         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7385         Arm_relobj::scan_section_for_cortex_a8_stubs,
7386         Arm_relobj::do_relocation_section): Instead of calling
7387         Output_section::output_address, use faster
7388         Arm_relobj::simple_input_section_output_address.
7389
7390 2010-02-08  David S. Miller  <davem@davemloft.net>
7391
7392         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7393         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7394         relocation helper function.
7395
7396         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7397         just like R_SPARC_GOT{10,13,22}.
7398         (Target_sparc::Scan::local): Likewise.
7399         (Target_sparc::Relocate:relocate): Likewise.
7400
7401 2010-02-06  Ian Lance Taylor  <iant@google.com>
7402
7403         * configure.ac: Rewrite targetobjs duplicate removal code to use
7404         only shell constructs.
7405         * configure: Rebuild.
7406
7407 2010-02-05  Doug Kwan  <dougkwan@google.com>
7408
7409         PR 11247
7410         * arm.cc (Arm_relobj::section_is_scannable): New method.
7411         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7412         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7413
7414 2010-02-04  Doug Kwan  <dougkwan@google.com>
7415
7416         PR 11247
7417         * arm-reloc-property.cc (cstdio): Include.
7418         * configure.ac (targetobjs): Remove duplicates.
7419         * configure: Regenerate.
7420         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7421         big and little endian version for a given address size.
7422
7423 2010-02-03  Doug Kwan  <dougkwan@google.com>
7424
7425         * arm-reloc-property.cc
7426         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7427         definition.
7428         * arm-reloc-property.h
7429         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7430         New method definition.
7431         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7432         declaration.
7433         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7434         overflow to N.
7435         (GOT_PREL): Change implemented to Y.
7436         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7437         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7438         (Arm_relocate_functions::movw_abs_nc): Remove method.
7439         (Arm_relocate_functions::movt_abs): Ditto.
7440         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7441         (Arm_relocate_functions::thm_movt_abs): Ditto.
7442         (Arm_relocate_functions::movw_rel_nc): Ditto.
7443         (Arm_relocate_functions::movw_rel): Ditto.
7444         (Arm_relocate_functions::movt_rel): Ditto.
7445         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7446         (Arm_relocate_functions:thm_movw_rel): Ditto.
7447         (Arm_relocate_functions:thm_movt_rel): Ditto.
7448         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7449         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7450         New method definitions.
7451         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7452         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7453         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7454         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7455         (Target_arm::Relocate::relocate): Check for non-static or
7456         unimplemented relocation code and exit early.  Change calls to
7457         Target_arm::reloc_uses_thumb_bit and
7458         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7459         instead.  Refactor code to handle similar relocations to increase
7460         code sharing.  Remove check for unsupported relocation code in switch
7461         statement.
7462         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7463         relocation property table to find out size.  Change error message to
7464         print out the name of a relocation code instead of the numeric value.
7465         (Target_arm::scan_reloc_for_stub): Use relocation property table
7466         instead of calling Target_arm::reloc_uses_thumb_bit().
7467
7468 2010-02-02  Doug Kwan  <dougkwan@google.com>
7469
7470         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7471         types of relaxed input section.
7472
7473 2010-02-02  Doug Kwan  <dougkwan@google.com>
7474
7475         * Makefile.am (HFILES): Add arm-reloc-property.h.
7476         (DEFFILES): New.
7477         (TARGETSOURCES): Add arm-reloc-property.cc
7478         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7479         (libgold_a_SOURCES): $(DEFFILES)
7480         * Makefile.in: Regenerate.
7481         * arm-reloc-property.cc: New file.
7482         * arm-reloc-property.h: New file.
7483         * arm-reloc.def: New file.
7484         * arm.cc: Update comments.
7485         (arm-reloc-property.h): New included header.
7486         (arm_reloc_property_table): New global variable.
7487         (Target_arm::do_select_as_default_target): New method definition.
7488         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7489         arm-reloc-property to targ_extra_obj.
7490         * parameters.cc (set_parameters_target): Call
7491         Target::select_as_default_target().
7492         * target.h (Target::select_as_default_target): New method definition.
7493         (Target::do_select_as_default_target): Same.
7494
7495 2010-02-01  Doug Kwan  <dougkwan@google.com>
7496
7497         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7498         first_output_text_section_.
7499         (Arm_exidx_fixup::first_output_text_section): New method definition.
7500         (Arm_exidx_fixup::first_output_text_section_): New data member.
7501         (Arm_exidx_fixup::process_exidx_section): Record the first text
7502         output section seen.
7503         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7504         and entsize in output section header.
7505
7506 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7507
7508         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7509         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7510         (Arm_relocate_functions::thm_alu11): New Method.
7511         (Arm_relocate_functions::thm_pc8): New Method.
7512         (Arm_relocate_functions::thm_pc12): New Method.
7513         (Target_arm::Scan::local): Handle the relocations.
7514         (Target_arm::Scan::global): Likewise.
7515         (Target_arm::Relocate::relocate): Likewise.
7516         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7517
7518 2010-01-29  Doug Kwan  <dougkwan@google.com>
7519
7520         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7521         of relocation types as ld.
7522
7523 2010-01-29  Doug Kwan  <dougkwan@google.com>
7524
7525         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7526         to public.
7527         (Arm_relocate_functions::thumb_branch_common): Ditto.
7528         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7529         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7530         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7531         Arm_relocate_functions::jump24): Remove.
7532         (Target_arm::Relocate::relocate): Adjust code to call
7533         Arm_relocation_functions::arm_branch_common and
7534         Arm_relocation_functions::thumb_branch_common instead of their removed
7535         wrappers.  Merge switch-cases together to reduce source code size.
7536
7537 2010-01-29  Doug Kwan  <dougkwan@google.com>
7538
7539         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7540         output_local_symbol_count_needs_update_.
7541         (Arm_relobj::output_local_symbol_count_needs_update,
7542          Arm_relobj::set_output_local_symbol_count_needs_update,
7543          Arm_relobj::update_output_local_symbol_count): New methods.
7544         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7545         member.
7546         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7547         of pointed function as in a R_ARM_PREL31 relocation.
7548         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7549         for output local symbol count updating.
7550         (Target_arm::do_relax): Update output local symbol counts in objects
7551         if necessary.
7552         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7553
7554 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7555
7556         * arm.cc: Added support for the ARM relocations:
7557         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7558         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7559         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7560         movw_prel_nc).
7561         (Arm_relocate_functions::movw_rel): New method.
7562         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7563         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7564         thm_movw_prel_nc).
7565         (Arm_relocate_functions::thm_movw_rel): New method.
7566         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7567         thm_movt_prel).
7568         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7569         relocations.
7570         (Target_arm::Scan::global): Likewise.
7571         (Target_arm::Relocate::relocate): Likewise.
7572         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7573         Likewise.
7574
7575 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7576
7577         * arm.cc: Added support for ARM group relocations.
7578         (Target_arm::reloc_needs_sym_origin): New method.
7579         (Arm_relocate_functions::calc_grp_kn): New method.
7580         (Arm_relocate_functions::calc_grp_residual): New method.
7581         (Arm_relocate_functions::calc_grp_gn): New method.
7582         (Arm_relocate_functions::arm_grp_alu): New Method.
7583         (Arm_relocate_functions::arm_grp_ldr): New Method.
7584         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7585         (Arm_relocate_functions::arm_grp_ldc): New Method.
7586         (Target_arm::Scan::local): Handle the ARM group relocations.
7587         (Target_arm::Scan::global): Likewise.
7588         (Target_arm::Relocate::relocate): Likewise.
7589         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7590         Likewise.
7591
7592 2010-01-26  Doug Kwan  <dougkwan@google.com>
7593
7594         * arm.cc (set): Include.
7595         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7596         pointer type.
7597         (Arm_output_section::Text_section_list): New type.
7598         (Arm_output_section::append_text_sections_to_list): New method.
7599         (Arm_output_section::fix_exidx_coverage): Ditto.
7600         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7601         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7602         Relobj::set_section_offset() instead of
7603         Sized_relobj::invalidate_section_offset().
7604         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7605         parameter for section headers. Ignore relocation sections for
7606         unallocated sections and EXIDX sections.
7607         (Target_arm::fix_exidx_coverage): New method.
7608         (Target_arm::output_section_address_less_than): New type.
7609         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7610         linked text section instead of the EXIDX section.
7611         (Arm_output_section::create_stub_group): Add an assertion to check
7612         that this is not an EXIDX output section.
7613         (Arm_output_section::append_text_sections_to_list): New method.
7614         (Arm_output_section::fix_exidx_coverage): Ditto.
7615         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7616         Arm_relobj::section_needs_reloc_stub_scanning.
7617         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7618         first pass.
7619         (Target_arm::fix_exidx_coverage): New method.
7620         * object.h (Relobj::set_output_section): New method.
7621         (Sized_relobj::invalidate_section_offset): Remove method.
7622         (Sized_relobj::do_invalidate_section_offset): Remove method.
7623         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7624
7625 2010-01-25  Doug Kwan  <dougkwan@google.com>
7626
7627         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7628         Fix warning due to signed and unsigned comparison on a 32-bit host.
7629
7630 2010-01-22  Doug Kwan  <dougkwan@google.com>
7631
7632         * arm.cc (Target_arm::do_relax): Record an output section for section
7633         offset adjustment it contains any stub table that has changed.
7634         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7635         offsets in an output section if necessary.
7636         * output.cc (Output_section::Output_section): Initialize
7637         section_offsets_need_adjustments_.
7638         (Output_section::add_input_section_for_script): Renamed to
7639         Output_section::add_simple_input_section.
7640         (Output_section::save_states): Add a comment.
7641         (Output_section::discard_states): New method defintion.
7642         (Output_section::adjust_section_offsets): Same.
7643         * output.h (Output_section::add_input_section_for_script): Renamed to
7644         Output_section::add_simple_input_section.
7645         (Output_section::discard_states): New method declaration.
7646         (Output_section::adjust_section_offsets): Same.
7647         (Output_section::section_offsets_need_adjustment,
7648         Output_section::set_section_offsets_need_adjustment): New method
7649         definitions.
7650         (Output_section::section_offsets_need_adjustment_): New data member.
7651         * script-sections.cc
7652         (Output_section_element_input::set_section_address): Adjust code for
7653         renaming of Output_section::add_input_section_for_script.
7654         (Orphan_output_section::set_section_address): Same.
7655
7656 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7657
7658         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7659         Fix_v4bx enum values .
7660         * gold/options.h (General_options): New option definitions.
7661         (General_options::fix_v4bx): New method.
7662         (General_options::Fix_v4bx): New enum.
7663         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7664         (General_options::parse_fix_v4bx_interworking): New method.
7665
7666 2010-01-22  Doug Kwan  <dougkwan@google.com>
7667
7668         * arm.cc (Arm_exidx_fixup): New class.
7669
7670 2010-01-21  Doug Kwan  <dougkwan@google.com>
7671
7672         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7673         classes.
7674         (Arm_exidx_section_offset_map): New type.
7675
7676 2010-01-21  Doug Kwan  <dougkwan@google.com>
7677
7678         * arm.cc (Arm_exidx_input_section): New class.
7679         (Arm_relobj::exidx_input_section_by_link,
7680         Arm_relobj::exidx_input_section_by_shndx,
7681         Arm_relobj::make_exidx_input_section): New methods.
7682         (read_arm_attributes_section): Remove.
7683         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7684         information about them.
7685         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7686         to here.
7687
7688 2010-01-20  Doug Kwan  <dougkwan@google.com>
7689
7690         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7691         Input_section_specifier to Section_id.
7692         (Target_arm::new_arm_input_section: Adjust code for change of key
7693         type.
7694         (Target_arm::find_arm_input_section): Ditto.
7695         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7696         (Section_id): Remove.
7697         (Garbage_collection::Section_id_hash): Remove.
7698         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7699         (Section_id): Remove.
7700         (Icf::Section_id_hash): Remove.
7701         * object.h (Section_id, Const_section_id, Section_id_hash,
7702         Const_section_id_hash): New type definitions.
7703         * output.cc (Output_section::add_relaxed_input_section): Change to
7704         use Const_section_id instead of Input_section_specifier as key type.
7705         (Output_section::add_merge_input_section): Ditto.
7706         (Output_section::build_relaxation_map): Change to use Section_id
7707         instead of Input_section_specifier as key type.
7708         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7709         Ditto.
7710         (Output_section::convert_input_sections_to_relaxed_sections): Change
7711         to use Const_section_id instead of Input_section_specifier as key type.
7712         (Output_section::find_merge_section): Ditto.
7713         (Output_section::find_relaxed_input_section): Ditto.
7714         * output.h (Input_section_specifier): Remove class.
7715         (Output_section::Output_section_data_by_input_section_map): Change
7716         key type to Const_section_id.
7717         (Output_section::Output_relaxed_input_section_by_input_section_map):
7718         Ditto.
7719         (Output_section::Relaxation_map): Change key type to Section_id.
7720
7721 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7722
7723         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7724         (class Arm_v4bx_stub): New class.
7725         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7726         (Stub_factory::make_arm_v4bx_stub): New method.
7727         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7728         (Stub_table::empty): Handle v4bx stubs.
7729         (Stub_table::add_arm_v4bx_stub): New method.
7730         (Stub_table::find_arm_v4bx_stub): New method.
7731         (Arm_relocate_functions::v4bx): New method.
7732         (Target_arm::fix_v4bx): New method.
7733         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7734         (Stub_table::relocate_stubs): Likewise.
7735         (Stub_table::do_write): Likewise.
7736         (Stub_table::update_data_size_and_addralign): Likewise.
7737         (Stub_table::finalize_stubs):  Likewise.
7738         (Target_arm::Scan::local): Likewise.
7739         (Target_arm::Scan::global): Likewise.
7740         (Target_arm::do_finalize_sections): Likewise.
7741         (Target_arm::Relocate::relocate): Likewise.
7742         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7743         Likewise.
7744         (Target_arm::scan_reloc_for_stub): Likewise.
7745         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7746
7747 2010-01-19  Ian Lance Taylor  <iant@google.com>
7748
7749         * output.cc (Output_section_headers::do_sized_write): Write large
7750         segment count to sh_info field.
7751         (Output_file_header::do_sized_write): For large segment count,
7752         write PN_XNUM to e_phnum field.
7753
7754 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7755
7756         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7757         (Arm_relocate_functions::thm_jump8): New function.
7758         (Arm_relocate_functions::thm_jump11): New function.
7759         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7760         R_ARM_THM_JUMP11.
7761         (Target_arm::Scan::global): Likewise.
7762         (Target_arm::Relocate::relocate): Likewise.
7763         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7764         Likewise.
7765
7766 2010-01-14  Doug Kwan  <dougkwan@google.com>
7767
7768         * arm.cc (map, utility): Include headers.
7769         (Target_arm::apply_cortex_a8_workaround): New method.
7770         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7771         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7772         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7773         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7774         the --[no-]fix-cortex-a8 command line options.
7775         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7776         (Target_arm::relocate_stub): Use addend in instruction template.
7777         * options.h (DEFINE_bool): Set the user-set flag.
7778         (General_options): Add --[no-]-fix-cortex options.
7779         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7780         : Update fast look-up map after conversion.
7781
7782 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7783
7784         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7785         in the first pass of do_layout.
7786
7787 2010-01-13  Doug Kwan  <dougkwan@google.com>
7788
7789         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7790         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7791         apparent compiler problem of not folding static constant integral
7792         data members of elfcpp::Elf_sizes<32>.
7793
7794 2010-01-13  Doug Kwan  <dougkwan@google.com>
7795
7796         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7797         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7798         Arm_relobj::scan_section_for_cortex_a8_erratum,
7799         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7800         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7801         sections to scan for relocation stubs into a new method
7802         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7803         relocation and Cortex-A8 stub scanning.
7804         (Target_arm::do_relax): Force stubs to be after stubbed sections
7805         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7806         the beginning of a new relaxation pass.  Update a comment.
7807         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7808
7809 2010-01-12  Ian Lance Taylor  <iant@google.com>
7810
7811         * target-reloc.h (visibility_error): New inline function.
7812         (relocate_section): Call visibility_error.
7813         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7814         (MOSTLYCLEANFILES): Likewise.
7815         (protected_4_pic.o, protected_3.err): New targets.
7816         * testsuite/protected_4.cc: New file.
7817
7818 2010-01-12  Doug Kwan  <dougkwan@google.com>
7819
7820         * arm.cc (Cortex_a8_reloc): New class.
7821         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7822         and cortex_a8_relocs_info_.
7823         (Target_arm::fix_cortex_a8): New method definition.
7824         (Target_arm::Cortex_a8_relocs_info): New type.
7825         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7826         New data member declarations.
7827         (Target_arm::scan_reloc_for_stub): Record information about
7828         relocations for THUMB branches that might be exempted from the
7829         Cortex-A8 workaround.
7830         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7831         at the beginning of a relaxation pass.
7832
7833 2010-01-12  Doug Kwan  <dougkwan@google.com>
7834
7835         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7836         (Arm_relobj::Mapping_symbol_position,
7837          Arm_reloj::Mapping_symbol_position_less,
7838          Arm_relobj::Mapping_symbols_info): New types.
7839         (Target_arm::is_mapping_symbol_name): New method definition.
7840         (Arm_relobj::do_count_local_symbols): Save information about mapping
7841         symbols.
7842
7843 2010-01-11  Doug Kwan  <dougkwan@google.com>
7844
7845         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7846         Arm_relocate_functions::thumb32_branch_upper,
7847         Arm_relocate_functions::thumb32_branch_lower,
7848         Arm_relocate_functions::thumb32_cond_branch_offset,
7849         Arm_relocate_functions::thumb32_cond_branch_upper,
7850         Arm_relocate_functions::thumb32_cond_branch_lower,
7851         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7852         branch offset encoding.
7853         (Arm_relocate_functions::thumb_branch_common): Use new branch
7854         offset encoding methods to avoid code duplication.
7855         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7856         (Stub_addend_reader::operator()): Use new branch encoding method
7857         to avoid code duplication.
7858
7859 2010-01-11  Doug Kwan  <dougkwan@google.com>
7860
7861         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7862         (Target_arm::do_finalize_sections): Define special EXIDX section
7863         symbols only if referenced.
7864         * gc.h (Garbage_collection::add_reference): New method.
7865         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7866         code duplication.
7867
7868 2010-01-11  Ian Lance Taylor  <iant@google.com>
7869
7870         * script.cc (Version_script_info::build_expression_list_lookup):
7871         Change complaing about duplicate wildcard match from error to
7872         warning.
7873
7874         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7875         of 2009-12-30.
7876         (Version_script_info::Version_script_info): Initialize globs_,
7877         default_version_, default_is_global_, and exact_.  Don't
7878         initialize globals_ or locals_.
7879         (Version_script_info::build_lookup_tables): Build local symbols
7880         first.
7881         (Version_script_info::unquote): New function.
7882         (Version_script_info::add_exact_match): New function.
7883         (Version_script_info::build_expression_list_lookup): Remove lookup
7884         parameter.  Add is_global parameter.  Change all callers.  Handle
7885         wildcard pattern specially.  Unquote pattern.  Call
7886         add_exact_match.
7887         (Version_script_info::get_name_to_match): New function.
7888         (Version_script_info::get_symbol_version): New function.
7889         (Version_script_info::get_symbol_version_helper): Remove.
7890         (Version_script_info::check_unmatched_names): Call unquote.
7891         * script.h (class Version_script_info): Change get_symbol_version
7892         to be non-inline and add is_global parameter; change all callers.
7893         Rewrite symbol_is_local.  Update declarations.  Define struct
7894         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7895         Remove globals_ and locals_ members.  Add exact_, globs_,
7896         default_version_, is_global_.
7897         (Version_script_info::Glob): Remove pattern, add expression and
7898         is_global.  Update constructor.  Change all callers.
7899         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7900         default version.
7901         (Versions::symbol_section_contents): If a symbol is undefined, or
7902         defined in a dynamic object, set the version index to
7903         VER_NDX_LOCAL.
7904         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7905         symbol_is_local.
7906         (Symbol_table::add_from_pluginobj): Likewise.
7907         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7908
7909 2010-01-11  Doug Kwan  <dougkwan@google.com>
7910
7911         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7912         (incremental_dump_LDADD): Add linking option for libintl.
7913         * Makefile.in: Regenerate.
7914
7915 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7916
7917         PR gold/11144
7918         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7919         instead of -Ds.
7920         * testsuite/Makefile.in: Regenerated.
7921
7922 2010-01-10  Doug Kwan  <dougkwan@google.com>
7923
7924         * options.h (DEFINE_var): Use parentheses around argument varname__
7925         in macro body to avoid any unintended subsequent substitutions.
7926
7927 2010-01-10  Ian Lance Taylor  <iant@google.com>
7928
7929         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7930         candidates before doing symbol resolution.
7931
7932         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7933         ODR candidates if only one is weak.
7934
7935 2010-01-08  Ian Lance Taylor  <iant@google.com>
7936
7937         * script.cc (Version_script_info::build_expression_list_lookup):
7938         Don't warn about ambiguous version, just record the ambiguity.
7939         (Version_script_info::get_symbol_version_helper): Give error if
7940         version is ambiguous.
7941
7942 2010-01-08  Doug Kwan  <dougkwan@google.com>
7943
7944         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7945         prev_data_size_ and prev_addralign_.  Remove initializer for
7946         deleted data member has_been_changed_.
7947         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7948         to determine if the table is empty.
7949         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7950         Remove.
7951         (Stub_table::add_reloc_stub): Define method in class definition
7952         instead of just declaring it there.
7953         (Stub_table::add_cortex_a8_stub): New method definition.
7954         (Stub_table::update_data_size_and_addralign): Ditto.
7955         (Stub_table::finalize_stubs): Ditto.
7956         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7957         (Stub_table::do_addralign_): Return address alignment in the
7958         (Stub_table::do_reset_address_and_file_offset): Define method in
7959         class definition instead of declaring it there.  Set current data
7960         size to be the data size of the previous pass.
7961         (Stub_table::set_final_data_size): Use current data size as the
7962         final data size.
7963         (Stub_table::relocate_stub): Change parameter type of stub from
7964         Reloc_stub pointer to Stub pointer.
7965         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7966         (Stub_table::Cortex_a8_stub_list): New typedef.
7967         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7968          Stub_table::prev_addralign_): New data member.
7969         (Arm_relobj::Arm_relobj): Initialize data member
7970         section_has_cortex_a8_workaround_.
7971         (Arm_relobj::section_has_cortex_a8_workaround,
7972          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7973          definitions.
7974         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7975         declarations.
7976         (Target_arm::relocate_stub): Change parameter type of stub from
7977         Reloc_stub pointer to Stub pointer.
7978         (Insn_template::size, Insn_template::alignment): Handle
7979         THUMB16_SPECIAL_TYPE.
7980         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7981          Stub_table::update_data_size_and_addralign,
7982          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7983         definitions.
7984         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7985         (Stub_table::do_write): Ditto.
7986         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7987
7988 2010-01-08  Ian Lance Taylor  <iant@google.com>
7989
7990         PR 11108
7991         * symtab.h (class Symbol): Remove fields is_target_special_ and
7992         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7993         (Symbol::is_defined_in_discarded_section): New function.
7994         (Symbol::set_is_defined_in_discarded_section): New function.
7995         (Symbol::has_plt_offset): Rewrite.
7996         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7997         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7998         Don't initialize is_target_special_ or has_plt_offset_.
7999         Initialize is_defined_in_discarded_section_.
8000         (Symbol_table::add_from_relobj): If appropriate, set
8001         is_defined_in_discarded_section.
8002         * resolve.cc (Symbol::override_base_with_special): Don't test
8003         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8004         * target-reloc.h (relocate_section): Do special handling for
8005         symbols defined in discarded sections for global symbols as well
8006         as local symbols.
8007
8008 2010-01-08  Ian Lance Taylor  <iant@google.com>
8009
8010         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8011         the SHT_SYMTAB case.
8012
8013 2010-01-08  Ian Lance Taylor  <iant@google.com>
8014
8015         * object.cc (Sized_relobj::do_layout): Don't get confused if
8016         layout_eh_frame returns NULL.
8017
8018 2010-01-08  Ian Lance Taylor  <iant@google.com>
8019
8020         PR 11084
8021         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8022         dynamic symbol table, use the normal symbol table.
8023         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8024         symbol table.
8025
8026 2010-01-08  Ian Lance Taylor  <iant@google.com>
8027
8028         PR 11072
8029         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8030         sections.
8031
8032 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8033
8034         * version.cc (print_version): Change to "Copyright 2010".
8035
8036 2010-01-08  Ian Lance Taylor  <iant@google.com>
8037
8038         PR 10287
8039         PR 11063
8040         * i386.cc (class Target_i386): Change return type of plt_section
8041         to be non-const.
8042         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8043         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8044         tls_desc_rel_ field.
8045         (Output_data_plt_i386::rel_tls_desc): New function.
8046         (Target_i386::rel_tls_desc_section): New function.
8047         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8048         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8049         R_386_TLS_DESC reloc in rel_tls_desc_section.
8050         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8051         Define struct Tlsdesc_info.
8052         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8053         (Target_x86_64::do_reloc_symbol_index): New function.
8054         (Target_x86_64::add_tlsdesc_info): New function.
8055         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8056         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8057         tlsdesc_rel_ field.
8058         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8059         all callers.
8060         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8061         (Target_x86_64::rela_tlsdesc_section): New function.
8062         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8063         handling.
8064         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8065         (Target_x86_64::do_reloc_addend): New function.
8066         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8067         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8068         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8069         (Output_reloc::type): New function.
8070         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8071         (Output_reloc::is_target_specific): New function.
8072         (Output_reloc::target_arg): New function.
8073         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8074         absolute relocs and target specific relocs.
8075         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8076         add_target_specific.
8077         (class Output_data_reloc) [SHT_RELA]: Likewise.
8078         * output.cc (Output_reloc::Output_reloc): Add four new versions
8079         for absolute relocs and target specific relocs.
8080         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8081         (Output_reloc::get_symbol_index): Likewise.
8082         (Output_reloc::local_section_offset): Check that local_sym_index_
8083         is not TARGET_CODE or 0.
8084         (Output_reloc::symbol_value): Likewise.
8085         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8086         reloc.
8087         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8088         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8089         functions.
8090         * layout.cc (add_target_dynamic_tags): Use output section for
8091         DT_PLTRELSZ and DT_JMPREL.
8092
8093 2010-01-07  Ian Lance Taylor  <iant@google.com>
8094
8095         PR 11061
8096         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8097         function.
8098         (class Output_data_reloc_generic): Define.
8099         (class Output_data_reloc_base): Change base class to
8100         Output_data_reloc_generic.  Change add() method to call
8101         bump_relative_reloc_count for a relative reloc.  Remove
8102         sort_relocs_ field.
8103         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8104         to sort_relocs().
8105         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8106         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8107         appropriate.
8108         * layout.h (class Layout): Update declaration.
8109
8110 2010-01-07  Ian Lance Taylor  <iant@google.com>
8111
8112         * output.h (class Output_data): Add const version of
8113         output_section and do_output_section.
8114         (class Output_section_data): Add const version of
8115         do_output_section.
8116         (class Output_section): Likewise.
8117         * layout.cc (Layout::add_target_dynamic_tags): New function.
8118         * layout.h (class Layout): Update declarations.
8119         * arm.cc (Target_arm::do_finalize_sections): Use
8120         add_target_dynamic_tags.
8121         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8122         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8123         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8124         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8125
8126 2010-01-07  Ian Lance Taylor  <iant@google.com>
8127
8128         PR 11042
8129         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8130         object as needed.
8131
8132 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8133             Ian Lance Taylor  <iant@google.com>
8134
8135         PR 11019
8136         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8137         Xindex::read_symtab_xindex.
8138
8139 2010-01-07  Doug Kwan  <dougkwan@google.com>
8140
8141         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8142         (Insn_template::thumb16_bcond_insn): New method declaration.
8143         (Insn_template): Fix spelling.
8144         (Stub::thumb16_special): New method declaration.
8145         (Stub::do_write): Define virtual method which was previously pure
8146         virtual.
8147         (Stub::do_thumb16_special): New method declaration.
8148         (Stub::do_fixed_endian_write): New template member.
8149         (Reloc_stub::do_write): Remove.
8150         (Reloc_stub::do_fixed_endian_write): Remove.
8151         (Cortex_a8_stub): New class definition.
8152         (Stub_factory::make_cortex_a8_stub): New method definition.
8153         (Stub_factory::Stub_factory): Add missing static storage class
8154         qualifier for elf32_arm_stub_a8_veneer_blx.
8155
8156 2010-01-07  Ian Lance Taylor  <iant@google.com>
8157
8158         PR 10980
8159         * options.h (class General_options): Add --warn-unresolved-symbols
8160         and --error-unresolved-symbols.
8161         * errors.cc (Errors::undefined_symbol): Implement
8162         --warn-unresolved-symbols.
8163
8164         * options.h (class General_options): Add -z text and -z textoff.
8165         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8166
8167 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8168
8169         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8170         (Garbage_collection::cident_sections): New function.
8171         (Garbage_collection::add_cident_section): New function.
8172         (Garbage_collection::cident_sections_): New member.
8173         (gc_process_relocs): Add references to sections whose names are C
8174         identifiers.
8175         * gold.h (cident_section_start_prefix): New constant.
8176         (cident_section_stop_prefix): New constant.
8177         (is_cident): New function.
8178         * layout.cc (Layout::define_section_symbols): Replace string constants
8179         with the newly defined constants.
8180         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8181         C identifiers.
8182         * testsuite/Makefile.am: Add gc_orphan_section_test.
8183         * testsuite/Makefile.in: Regenerate.
8184         * testsuite/gc_orphan_section_test.cc: New file.
8185         * testsuite/gc_orphan_section_test.sh: New file.
8186
8187 2010-01-06  Ian Lance Taylor  <iant@google.com>
8188
8189         PR 10980
8190         * options.h (class General_options): Add --warn-shared-textrel.
8191         * layout.cc (Layout::finish_dynamic_section): Implement
8192         --warn-shared-textrel.
8193
8194         PR 10980
8195         * options.h (class General_options): Add --warn-multiple-gp.
8196
8197 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8198
8199         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8200         $(THREADSLIB) and $(LIBDL).
8201         * Makefile.in: Rebuild.
8202
8203 2010-01-06  Ian Lance Taylor  <iant@google.com>
8204
8205         PR 10980
8206         * options.cc (General_options::parse_section_start): New function.
8207         (General_options::section_start): New function.
8208         (General_options::General_options): Initialize all members.
8209         * options.h: Include <map>
8210         (class General_options): Add --section-start.  Add section_starts_
8211         member.
8212         * layout.cc (Layout::attach_allocated_section_to_segment): If
8213         --section-start was used, set the address of the segment.  Remove
8214         local sort_sections.
8215         (Layout::relaxation_loop_body): If the address of the load segment
8216         has been set by --section-start, don't use it.
8217         * output.h (Output_segment::update_flags_for_output_section): New
8218         function.
8219         * output.cc (Output_segment::add_output_section): Call
8220         update_flags_for_output_section.
8221
8222 2010-01-05  Ian Lance Taylor  <iant@google.com>
8223
8224         PR 10980
8225         * options.h (class General_options): Add --undefined-version.
8226         * script.cc (struct Version_expression): Add was_matched_by_symbol
8227         field.
8228         (Version_script_info::matched_symbol): New function.
8229         (Version_script_info::get_symbol_version_helper): Call
8230         matched_symbol.
8231         (Version_script_info::check_unmatched_names): New function.
8232         * script.h (class Version_script_info): Update declarations.
8233         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8234
8235         * options.h (class General_options): Use DEFINE_bool_alias for
8236         allow_multiple_definition.
8237         * resolve.cc (Symbol_table::should_override): Don't test
8238         allow_multiple_definition.
8239
8240         PR 10980
8241         * options.h (class General_options): Add --cref.
8242         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8243         until after printing cref table.
8244         * cref.cc: Include "symtab.h".
8245         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8246         (Cref_table_compare::operator()): New function.
8247         (Cref_inputs::gather_cref): New function.
8248         (filecol): New static const.
8249         (Cref_inputs::print_cref): New function.
8250         (Cref::print_cref): New function.
8251         * cref.h: Include <cstdio>.
8252         (class Cref): Update declarations.
8253         * mapfile.h (Mapfile::file): New function.
8254         * object.h (class Object): Define Symbols.  Declare virtual
8255         do_get_global_symbols.
8256         (Object::get_global_symbols): New function.
8257         * object.cc (Input_objects::add_object): Pass object to cref_ if
8258         --cref.
8259         (Input_objects::archive_start): Likewise.
8260         (Input_objects::archive_stop): Likewise.
8261         (Input_objects::print_cref): New function.
8262         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8263         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8264         --cref.
8265         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8266         function.
8267         * plugin.h (class Sized_pluginobj): Update declarations.
8268
8269 2010-01-05  Ian Lance Taylor  <iant@google.com>
8270
8271         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8272         to is_default_version.  Rename insdef to insdefault.
8273         (Symbol_table::add_from_relobj): Rename def to is_default_version
8274         and local to is_forced_local.
8275         (Symbol_table::add_from_pluginobj): Likewise.
8276         (Symbol_table::add_from_dynobj): Likewise.
8277         (Symbol_table::define_special_symbol): Rename insdef to
8278         insdefault.
8279
8280 2010-01-04  Ian Lance Taylor  <iant@google.com>
8281
8282         PR 10980
8283         * options.h (class General_options): Add
8284         --allow-multiple-definition and -z muldefs.
8285         * resolve.cc (Symbol_table::should_override): Don't warn about a
8286         multiple symbol definition if --allow-multiple-definition or -z
8287         muldefs.
8288
8289         PR 10980
8290         * options.h (class General_options): Add --add-needed and
8291         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8292         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8293         error if --copy-dt-needed-entries aka --add-needed is used and
8294         would cause a change in behaviour.
8295
8296         PR 10980
8297         * options.h (class General_options): Add -G as a short version of
8298         --shared.  Add no-op options -assert, -g, and -i.
8299
8300 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8301
8302         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8303         check for .text or .gnu.linkonce.t sections.
8304         * icf.cc (Icf::find_identical_sections): Ditto.
8305         Change the detection for mangled function name within the section
8306         name.
8307         * icf.h (is_section_foldable_candidate): New function.
8308
8309 2009-12-30  Ian Lance Taylor  <iant@google.com>
8310
8311         PR 10980
8312         * options.h (class General_options): Permit two dashes with
8313         --retain-symbols-file.
8314
8315 2009-12-30  Ian Lance Taylor  <iant@google.com>
8316
8317         PR 10979
8318         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8319         don't put the file header and segment headers in the text
8320         segment.
8321
8322         PR 10979
8323         * common.cc (Sort_commons::operator()): Stabilize sort when both
8324         entries are NULL.
8325         (Symbol_table::do_allocate_commons_list): When allocating common
8326         symbols, skip a symbol which is no longer common.
8327         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8328         an object before checking its type.
8329         * testsuite/common_test_2.c: New file.
8330         * testsuite/common_test_3.c: New file.
8331         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8332         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8333         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8334         (common_test_2_pic.o, common_test_2.so): New targets.
8335         (common_test_3_pic.o, common_test_3.so): New targets.
8336         * testsuite/Makefile.in: Rebuild.
8337
8338         PR 10979
8339         * script.cc (read_input_script): If we see a new SECTIONS clause,
8340         and we have added an input section, give an error.
8341         * layout.h (class Layout): Add have_added_input_section function.
8342         Add have_added_input_section_ field.
8343         * layout.cc (Layout::Layout): Initialize
8344         have_added_input_section_.
8345         (Layout::layout): Set have_added_input_section_.
8346         (Layout::layout_eh_frame): Likewise.
8347
8348 2009-12-30  Ian Lance Taylor  <iant@google.com>
8349
8350         PR 10931
8351         * options.h (class General_options): Add --sort-common option.
8352         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8353         * common.cc (Sort_common): Add sort_order parameter to
8354         constructor.  Add sort_order_ field.
8355         (Sort_commons::operator): Check sort_order_.
8356         (Symbol_table::allocate_commons): Determine the sort order.
8357         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8358         Change all callers.
8359         (Symbol_table::do_allocate_commons_list): Likewise.
8360
8361 2009-12-30  Ian Lance Taylor  <iant@google.com>
8362
8363         PR 10916
8364         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8365         symbols from this object, don't change the visibility of an
8366         undefined symbol.
8367         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8368
8369 2009-12-30  Ian Lance Taylor  <iant@google.com>
8370
8371         PR 10861
8372         * script.h (class Version_script_info): Define Language enum.
8373         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8374         new fields globals_, locals_, and is_finalized_.
8375         * script.cc: Various formatting fixes.
8376         (class Parser_closure): Change language_stack_ from a vector of
8377         std::string to one of Version_script_info::Language.  Adjust all
8378         uses accordingly.
8379         (class Lazy_demangler): Remove.
8380         (struct Version_expression): Change language from std::string to
8381         Version_script_info::Language.
8382         (Version_script_info::Version_script_info): New function.
8383         (Version_script_info::~Version_script_info): Don't call clear.
8384         (Version_script_info::finalize): New function.
8385         (Version_script_info::build_lookup_tables): New function.
8386         (Version_script_info::build_expression_list_lookup): New
8387         function.
8388         (Version_script_info::get_symbol_version_helper): Rewrite to use
8389         lookup tables.
8390         (Version_script_info::print_expression_list): Adjust to use
8391         Version_script_info::Language.
8392         (script_push_lex_into_version_mode): Check that the version script
8393         has not been finalized.
8394         (version_script_push_lang): Change language string to
8395         Version_script_info::Language.
8396         * options.cc (Command_line::version_script): New function.
8397         * options.h (class General_options): Add finalize_dynamic_list
8398         function.  Change version_script from declaration to definition.
8399         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8400         * testsuite/version_script.map: Remove duplicate def of foo.
8401         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8402         version_script.map.
8403         * testsuite/Makefile.in: Rebuild.
8404
8405 2009-12-30  Ian Lance Taylor  <iant@google.com>
8406
8407         PR 10843
8408         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8409         if the input symbol index is 0, make the output symbol index 0.
8410
8411 2009-12-30  Ian Lance Taylor  <iant@google.com>
8412
8413         PR 10670
8414         * options.h (class General_options): Add -x/--discard-all.
8415         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8416         --discard-all.  If the local symbol needs a dynamic entry, check
8417         that before handling --discard-locals.
8418
8419 2009-12-30  Ian Lance Taylor  <iant@google.com>
8420
8421         PR 10450
8422         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8423         flags to PF_R.
8424         (Output_segment::add_output_section): Don't change the flags if
8425         the type is PT_TLS.
8426
8427         PR 10450
8428         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8429         GNU hash table if they need a dynamic value.  Otherwise, don't add
8430         them if they are defined in a dynamic object or are forced local.
8431
8432 2009-12-29  Ian Lance Taylor  <iant@google.com>
8433
8434         PR 10450
8435         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8436         .gnu.hash table for a 32-bit target.
8437
8438         PR 10450
8439         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8440         regular and a dynamic object only needs a dynamic symbol table
8441         entry if it is externally visible.
8442
8443         PR 10450
8444         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8445         constructor.  Add global_offset_table_ field.
8446         (Target_i386::got_section): Set global_offset_table_.
8447         (Target_i386::do_finalize_sections): Set global_offset_table_
8448         size.
8449         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8450         in constructor.  Add global_offset_table_ field.
8451         (Target_x86_64::got_section): Set global_offset_table_.
8452         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8453         size.
8454
8455         * layout.cc (Layout::Layout): Initialize increase_relro_.
8456         (Layout::get_output_section): Add is_relro, is_last_relro, and
8457         is_first_non_relro parameters.  Change all callers.
8458         (Layout::choose_output_section): Likewise.
8459         (Layout::add_output_section_data): Likewise.
8460         (Layout::make_output_section): Likewise.
8461         (Layout::set_segment_offsets): Clear increase_relro when using a
8462         linker script.
8463         * layout.h (class Layout): Add increase_relro method.  Add
8464         increase_relro_ field.  Update declarations.
8465         * output.cc (Output_section::Output_section): Initialize
8466         is_last_relro_ and is_first_non_relro_.
8467         (Output_segment::add_output_section): Group relro sections is
8468         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8469         (Output_segment::maximum_alignment): Remove relro handling.
8470         (Output_segment::set_section_addresses): Add increase_relro
8471         parameter.  Change all callers.  Add initial alignment to align
8472         relro sections on separate page.  Remove old relro handling.
8473         (Output_segment::set_section_list_addresses): Remove in_relro
8474         parameter.  Change all callers.
8475         (Output_segment::set_offset): Add increase parameter.  Change all
8476         callers.  Remove old relro handling.
8477         * output.h (class Output_section): Add new methods: is_last_relro,
8478         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8479         Add is_last_relro_ and is_first_non_relro_ fields.
8480         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8481         Create separate .got.plt section.  Call increase_relro.
8482         * x86_64.cc (Target_x86_64::got_section): Likewise.
8483         * testsuite/relro_script_test.t: Add .got.plt.
8484
8485         PR 10450
8486         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8487         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8488         (Layout::finalize): Call set_dynamic_symbol_size.
8489         (Layout::set_dynamic_symbol_size): New function.
8490         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8491         set_dynamic_symbol_size.
8492
8493         PR 10450
8494         * output.h (class Output_section): Add is_entsize_zero_ field.
8495         * output.cc (Output_section::Output_section): Initialize
8496         is_entsize_zero_.
8497         (Output_section::set_entsize): If two different entsizes are
8498         requested, force it to zero.
8499         (Output_section::add_input_section): Set flags for .debug_str
8500         before updating section flags.  Set entsize.
8501         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8502         and SHF_STRING if all input sections have those flags.
8503
8504 2009-12-29   Rafael Espindola  <espindola@google.com>
8505
8506         * main.cc (main): Fix the sys time reporting.
8507         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8508         reporting.
8509
8510 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8511
8512         * options.cc (General_options::parse_version): Allow -v to exit
8513         without an error if there is nothing to link.
8514
8515 2009-12-29  Ian Lance Taylor  <iant@google.com>
8516
8517         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8518         using a version of gcc before 4.1.
8519         * configure: Rebuild.
8520
8521 2009-12-28  Chris Demetriou  <cgd@google.com>
8522
8523         * attributes.cc (Output_attributes_section_data::do_write): Use
8524         std::vector::front rather than std::vector::data.
8525
8526 2009-12-28  Ian Lance Taylor  <iant@google.com>
8527
8528         * symtab.h (class Symbol_table): Add enum Defined.
8529         * resolve.cc (Symbol_table::should_override): Add defined
8530         parameter.  Change all callers.  Test whether object is NULL
8531         before calling a method on it.
8532         (Symbol_table::report_resolve_problem): Add defined parameter.
8533         Change all callers.
8534         (Symbol_table::should_override_with_special): Likewise.
8535         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8536         parameter.  Change all callers.
8537         (Symbol_table::do_define_in_output_data): Likewise.
8538         (Symbol_table::define_in_output_segment): Likewise.
8539         (Symbol_table::do_define_in_output_segment): Likewise.
8540         (Symbol_table::define_as_constant): Likewise.
8541         (Symbol_table::do_define_as_constant): Likewise.
8542         * script.h (class Symbol_assignment): Add is_defsym parameter to
8543         constructor; change all callers.
8544         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8545         parameter.  Change all callers.  Add is_defsym_ field.
8546         (class Parser_closure): Add parsing_defsym parameter to
8547         constructor; change all callers.  Add parsing_defsym accessor
8548         function.  Add parsing_defsym_ field.
8549
8550 2009-12-28  Ian Lance Taylor  <iant@google.com>
8551
8552         * gold.cc (queue_middle_tasks): Fix formatting.
8553         * object.cc (Relobj::is_section_name_included): Likewise.
8554
8555 2009-12-23  Ian Lance Taylor  <iant@google.com>
8556
8557         * i386.cc (Target_i386::do_calls_non_split): Recognize
8558         -fsplit-stack prologue for a function with a static chain.
8559         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8560         -fsplit-stack prologue when using %r11.
8561
8562 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8563
8564         * options.cc (General_options::parse_version): Make -v continue and do
8565         the link like GNU ld does.
8566
8567 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8568
8569         * Makefile.am (CCFILES): Add timer.cc.
8570         (HFILES): Add timer.h.
8571         * configure.ac: Check for sysconf and times.
8572         * main.cc: include timer.h.
8573         (main): Use Timer instead of get_run_time.
8574         * timer.cc: New.
8575         * timer.h: New.
8576         * workqueue.cc: include timer.h.
8577         (Workqueue::find_and_run_task):
8578         Report user, sys and wall time.
8579         * Makefile.in: Regenerate.
8580         * config.in: Regenerate.
8581         * configure: Regenerate.
8582
8583 2009-12-16  Doug Kwan  <dougkwan@google.com>
8584
8585         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8586         sections.
8587         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8588         relaxed input sections.
8589         * output.cc (Output_section::find_relaxed_input_section): Change
8590         return type to Output_relaxed_input_section pointer.  Adjust code
8591         for new type of relaxed_input_section_map_.
8592         * output.h (Output_section::find_relaxed_input_section): Change
8593         return type to Output_relaxed_input_section pointer.
8594         (Output_section::Output_relaxed_input_section_by_input_section_map):
8595         New type.
8596         (Output_section::relaxed_input_section_map_): Change type to
8597         Output_section::Output_relaxed_input_section_by_input_section_map.
8598         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8599         input section.
8600
8601 2009-12-15  Ian Lance Taylor  <iant@google.com>
8602
8603         * layout.cc (Layout::create_shstrtab): Only write out after input
8604         sections if we are compressing debug sections.
8605
8606 2009-12-15  Ian Lance Taylor  <iant@google.com>
8607
8608         * archive.cc (Archive::add_symbols): Only look up a symbol without
8609         a version if there is, in fact, a version.
8610
8611 2009-12-14  Ian Lance Taylor  <iant@google.com>
8612
8613         Revert -Wshadow changes, all changes from:
8614         2009-12-11  Doug Kwan  <dougkwan@google.com>
8615         2009-12-11  Nick Clifton  <nickc@redhat.com>
8616         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8617
8618 2009-12-11  Doug Kwan  <dougkwan@google.com>
8619
8620         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8621         due to -Wshadow.
8622         * attributes.cc (Object_attribute::size): Ditto.
8623         (Attributes_section_data::size): Ditto.
8624         (Attributes_section_data::Attributes_section_data): Ditto.
8625         (Output_attributes_section_data::do_write): Ditto.
8626         * attributes.h (Object_attribute::set_type): Ditto.
8627         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8628
8629 2009-12-11  Nick Clifton  <nickc@redhat.com>
8630
8631         * archive.cc: Fix shadowed variable warnings.
8632         * arm.cc: Likewise.
8633         * compressed_output.cc: Likewise.
8634         * compressed_output.h: Likewise.
8635         * configure: Likewise.
8636         * dwarf_reader.cc: Likewise.
8637         * dynobj.cc: Likewise.
8638         * dynobj.h: Likewise.
8639         * ehframe.cc: Likewise.
8640         * ehframe.h: Likewise.
8641         * errors.cc: Likewise.
8642         * expression.cc: Likewise.
8643         * fileread.cc: Likewise.
8644         * fileread.h: Likewise.
8645         * freebsd.h: Likewise.
8646         * i386.cc: Likewise.
8647         * icf.cc: Likewise.
8648         * incremental.h: Likewise.
8649         * layout.cc: Likewise.
8650         * layout.h: Likewise.
8651         * mapfile.cc: Likewise.
8652         * merge.cc: Likewise.
8653         * merge.h: Likewise.
8654         * object.cc: Likewise.
8655         * object.h: Likewise.
8656         * options.h: Likewise.
8657         * output.cc: Likewise.
8658         * output.h: Likewise.
8659         * parameters.cc: Likewise.
8660         * plugin.cc: Likewise.
8661         * powerpc.cc: Likewise.
8662         * reduced_debug_output.cc: Likewise.
8663         * reduced_debug_output.h: Likewise.
8664         * reloc.cc: Likewise.
8665         * reloc.h: Likewise.
8666         * resolve.cc: Likewise.
8667         * script-sections.cc: Likewise.
8668         * script.cc: Likewise.
8669         * script.h: Likewise.
8670         * sparc.cc: Likewise.
8671         * symtab.cc: Likewise.
8672         * symtab.h: Likewise.
8673         * target-select.cc: Likewise.
8674         * target-select.h: Likewise.
8675         * token.h: Likewise.
8676         * workqueue.cc: Likewise.
8677         * workqueue.h: Likewise.
8678         * x86_64.cc: Likewise.
8679
8680 2009-12-10  Doug Kwan  <dougkwan@google.com>
8681
8682         * arm.cc (attributes.h): New include.
8683         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8684         (Arm_relobj::~Arm_relobj): Delete object pointed by
8685         attributes_section_data_.
8686         (Arm_relobj::attributes_section_data): New method definition.
8687         (Arm_relobj::attributes_section_data_): New data member declaration.
8688         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8689         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8690         attributes_section_data_.
8691         (Arm_dynobj::attributes_section_data): New method definition.
8692         (Arm_dynobj::attributes_section_data_): New data member declaration.
8693         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8694         initialization value of may_use_blx_ to false.
8695         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8696         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8697         object attributes to compute results instead of hard-coding.
8698         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8699         Target_arm::get_secondary_compatible_arch,
8700         Target_arm::set_secondary_compatible_arch
8701         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8702         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8703         New method declarations.
8704         (Target_arm::get_aeabi_object_attribute): New method definition.
8705         (Target_arm::attributes_section_data_): New data member declaration.
8706         (read_arm_attributes_section): New template definition.
8707         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8708         (Arm_dynobj::do_read_symbols): Ditto.
8709         (Target_arm::do_finalize_sections): Merge attributes sections from
8710         input.  Check for BLX use after attributes section merging.
8711         Fix __exidx_start and __exidx_end visibility.  Create an
8712         .ARM.attributes section if necessary.
8713         (Target_arm::get_secondary_compatible_arch,
8714         Target_arm::set_secondary_compatible_arch,
8715         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8716         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8717         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8718         New method definitions.
8719
8720 2009-12-09  Ian Lance Taylor  <iant@google.com>
8721
8722         * plugin.cc (Plugin::load): Don't cast from void* to a function
8723         pointer.
8724
8725 2009-12-09  Ian Lance Taylor  <iant@google.com>
8726
8727         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8728         information fields.
8729
8730 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8731
8732         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8733         Replace two_file_shared_1.so with two_file_shared_2.so.
8734         * testsuite/Makefile.in: Regenerated.
8735
8736 2009-12-08  Doug Kwan  <dougkwan@google.com>
8737
8738         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8739         (HFILES): Add attributes.h and int_encoding.h.
8740         * Makefile.in: Regenerate.
8741         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8742         function definitions to int_encoding.cc
8743         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8744         prototypes to int_encoding.h
8745         * reduced_debug_output.cc (int_encoding.h): New include.
8746         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8747         function definitions to int_encoding.cc
8748         (insert_into_vector, read_from_pointer): Move template definitions to
8749         int_encoding.h
8750         * attributes.cc: New file.
8751         * attributes.h: New file.
8752         * int_encoding.cc: New file.
8753         * int_encoding.h: New file.
8754
8755 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8756
8757         PR gold/11055
8758         * incremental-dump.cc (dump_incremental_inputs): New.
8759         (main): Use dump_incremental_inputs.
8760
8761 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8762
8763         PR gold/10893
8764         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8765         checking elfcpp::STT_FUNC.
8766         (Target_i386::Relocate::relocate): Likewise.
8767         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8768
8769         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8770         symbols from shared libraries into normal FUNC symbols.
8771
8772         * symtab.h (Symbol): Add is_func and use it.
8773
8774 2009-12-05  Doug Kwan  <dougkwan@google.com>
8775
8776         * arm.cc (Target_arm::arm_info): Initialize new fields
8777         attributes_section and attributes_vendor.
8778         * i386.cc (Target_i386::i386_info): Same.
8779         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8780         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8781         fields attributes_section and attributes_vendor.
8782         * sparc.cc (Target_sparc::sparc_info): Same.
8783         * target.h (Target::attributes_section, Target::attributes_vendor,
8784         Target::is_attributes_section, Target::attribute_arg_type,
8785         Target::attributes_order): New method definitions.
8786         (Target::Target_info::attributes_section,
8787         Target::Target_info::attributes_vendor): New fields.
8788         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8789         virtual method definitions.
8790         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8791         attributes_section and attributes_vendor.
8792         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8793
8794 2009-12-05  Doug Kwan  <dougkwan@google.com>
8795
8796         * arm.cc: Update comments about interworking and stub generation.
8797         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8798         considered as non-PIC.
8799         (Arm_relocate_functions::base_abs): Fix formatting.
8800         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8801         of function to use GOT entry address instead of offset.
8802         (Target_arm::Scan::global): Issue an error if a symbol would need a
8803         PLT does not get one because it is untyped.  Remove code to create
8804         dynamic symbols for relative branches.
8805         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8806         takes unsigned integer instead of boolean.
8807
8808 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8809
8810         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8811         (two_file_test_LDADD): Likewise.
8812         (common_test_1_LDADD): Likewise.
8813         (exception_test_LDADD) Likewise.
8814         (weak_test_LDADD): Likewise.
8815         (many_sections_test_LDADD): Likewise.
8816         (initpri1_LDADD): Likewise.
8817         (script_test_1_LDADD): Likewise.
8818         (script_test_2_LDADD): Likewise.
8819         (justsyms_LDADD): Likewise.
8820         (binary_test_LDADD): Likewise.
8821         (large_LDADD): Likewise.
8822         * testsuite/Makefile.in: Regenerated.
8823
8824 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8825
8826         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8827         (Symbol_table::override_with_special): Likewise.
8828         (Symbol_table::add_from_object): Likewise.
8829
8830 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8831
8832         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8833         Don't set the data_offset twice.
8834
8835 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8836
8837         * testsuite/Makefile.in: Regenerate.
8838
8839 2009-12-03  Doug Kwan  <dougkwan@google.com>
8840
8841         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8842         (Target_arm::do_finalize_sections): Add parameter for symbol table
8843         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8844         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8845         parameter for symbol table pointer.
8846         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8847         an additional parameter for a pointer to symbol table.
8848         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8849         parameter for a symbol table pointer.
8850         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8851         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8852         Ditto.
8853         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8854         parameter for a symbol table pointer.
8855
8856 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8857
8858         * incremental.cc (Incremental_inputs_header)
8859         (Incremental_inputs_header_write, Incremental_inputs_entry)
8860         (Incremental_inputs_entry_write): Move ...
8861         * incremental.h (Incremental_inputs_header)
8862         (Incremental_inputs_header_write, Incremental_inputs_entry)
8863         (Incremental_inputs_entry_write): here.
8864
8865 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8866
8867         * incremental.cc (make_sized_incremental_binary): Set the target.
8868         Error if it is incompatible.
8869         * output.h (Output_file): Add filename method.
8870
8871 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8872
8873         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8874         from the get_* methods.
8875
8876 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8877
8878         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8879         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8880         Write 0 for the data_offset of scripts.
8881
8882 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8883
8884         * testsuite/Makefile.am: Add the incremental_test.sh test.
8885         * testsuite/incremental_test.sh: New.
8886         * testsuite/incremental_test_1.c: New.
8887         * testsuite/incremental_test_2.c: New.
8888
8889 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8890
8891         * incremental-dump.cc (main): Fix typos.
8892
8893 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8894
8895         PR gold/11025
8896         * incremental-dump.cc (main): Use llu to print 64 bit values.
8897
8898 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8899             H.J. Lu  <hongjiu.lu@intel.com>
8900
8901         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8902         $(LIBDL).
8903         (incremental_dump_LDADD): Likewise.
8904         * Makefile.in: Regenerated.
8905
8906 2009-11-25  Doug Kwan  <dougkwan@google.com>
8907
8908         Revert:
8909
8910         2009-11-25  Doug Kwan  <dougkwan@google.com>
8911
8912                 * arm.cc (Target_arm::Target_arm): Move method definition
8913                 outside of class definition.  Add code to handle
8914                 --target1-rel, --target1-abs and --target2= options.
8915                 (Target_arm::get_reloc_reloc_type): Change method to be
8916                 non-static and const.
8917                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8918                 New data member declaration.
8919                 (Target_arm::Scan::local, Target_arm::Scan::global,
8920                 Target_arm::Relocate::relocate,
8921                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8922                 Adjust call to Target_arm::get_real_reloc_type.
8923                 (Target_arm::get_real_reloc_type): Use command line options
8924                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8925                 * options.h (--target1-rel, --target1-abs, --target2): New
8926                 ARM-only options.
8927
8928 2009-11-25  Doug Kwan  <dougkwan@google.com>
8929
8930         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8931         class definition.  Add code to handle --target1-rel, --target1-abs
8932         and --target2= options.
8933         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8934         and const.
8935         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8936         member declaration.
8937         (Target_arm::Scan::local, Target_arm::Scan::global,
8938         Target_arm::Relocate::relocate,
8939         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8940         call to Target_arm::get_real_reloc_type.
8941         (Target_arm::get_real_reloc_type): Use command line options to
8942         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8943         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8944         options.
8945
8946 2009-11-25  Doug Kwan  <dougkwan@google.com>
8947
8948         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8949         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8950         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8951         formatting.
8952         (Arm_relocate_functions::thm_call): Replace body with a call to
8953         Arm_relocate_functions::thumb_branch_common.
8954         (Arm_relocate_functions::thm_jump24,
8955         Arm_relocate_functions::thm_xpc22): New method definitions.
8956         (Arm_relocate_functions::thumb_branch_common): New method definition.
8957         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8958         operator.
8959         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8960         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8961
8962 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8963
8964         * Makefile.am: Build incremental-dump
8965         * Makefile.in: Regenerate.
8966         * incremental-dump.cc: New.
8967         * incremental.cc (Incremental_inputs_header_data,
8968         Incremental_inputs_entry_data): Move to incremental.h
8969         * incremental.h: (Incremental_inputs_header_data,
8970         Incremental_inputs_entry_data): Move from incremental.cc
8971
8972 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8973
8974         * incremental.cc (Incremental_inputs_header,
8975         Incremental_inputs_header_write, Incremental_inputs_entry,
8976         Incremental_inputs_entry_write): Add a typedef with the data type.
8977
8978 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8979
8980         * incremental.cc (Incremental_inputs_header,
8981         Incremental_inputs_header_write, Incremental_inputs_entry,
8982         Incremental_inputs_entry_write): Update comment about which
8983         type has the filed descriptions.
8984
8985 2009-11-15  Doug Kwan  <dougkwan@google.com>
8986
8987         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8988         (Arm_relocate_functions::arm_branch_common): Change method defintion
8989         in class definition to a method declaration and update list of formal
8990         parameters.
8991         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8992         Arm_relocation_functions::jump24): Adjust call to
8993         Arm_relocate_functions::arm_branch_common.  Update list of formal
8994         parameters.
8995         (Arm_relocate_functions::xpc25): New method definition.
8996         (Arm_relocate_functions::arm_branch_common): Move method defintion
8997         out from class definition.  Use stubs for mode-switching and extending
8998         branch ranges.
8999         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9000         specially.  Change code to enable use of stubs in ARM branches.
9001
9002 2009-11-10  Doug Kwan  <dougkwan@google.com>
9003
9004         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9005         in method declaration.
9006         (Target_arm::relocate_stub): New method declaration.
9007         (Target_arm::default_target): Change to return a pointer instead of
9008         a const reference.
9009         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9010         Target_arm::default_target.
9011         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9012         method definition.
9013         (Target_arm::relocate_section): Adjust view.
9014         (Target_arm::relocate_stub): New method definition.
9015
9016 2009-11-10  Doug Kwan  <dougkwan@google.com>
9017
9018         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9019         a format warning.
9020         * incremental.cc (open_incremental_binary): Initialized local
9021         variables to avoid warnings.
9022         * object.cc (make_elf_object): Ditto.
9023         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9024         a format warning.
9025
9026 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9027
9028         PR gold/10930
9029         * testsuite/plugin_test.c: Include "config.h".
9030
9031 2009-11-09  Doug Kwan  <dougkwan@google.com>
9032
9033         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9034         (arm_symbol_value): Remove.
9035         (Arm_relocate_functions::arm_branch_common,
9036         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9037         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9038         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9039         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9040         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9041         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9042         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9043         Arm_relocate_functions::thm_mobw_abs_nc,
9044         Arm_relocate_functions::thm_mov_abs,
9045         Arm_relocate_functions::movw_prel_nc,
9046         Arm_relocate_functions::thm_movt_abs,
9047         Arm_relocate_functions::movt_prel,
9048         Arm_relocate_functions::thm_movw_prel_nc,
9049         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9050         (Target_arm::Relocate::relocate): Only decompose address into two
9051         parts if relocation type uses the thumb-bit and pass the actual
9052         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9053         calls to methods in Arm_relocate_functions for this change.
9054
9055 2009-11-08  Ian Lance Taylor  <iant@google.com>
9056
9057         PR 10925
9058         * reloc.cc: Instantiate
9059         Sized_relobj::initialize_input_to_output_maps and
9060         Sized_relobj:free_input_to_output_maps.
9061
9062 2009-11-06  Ian Lance Taylor  <iant@google.com>
9063
9064         PR 10876
9065         * defstd.cc (in_segment): Set only_if_ref true for "end".
9066
9067 2009-11-06  Doug Kwan  <dougkwan@google.com>
9068
9069         * arm.cc (class Reloc_stub): Correct a comment.
9070         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9071         (Target_arm::scan_section_for_stubs): New method declaration.
9072         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9073         Change methods from private to protected.
9074         (Target_arm::do_may_relax): New method definition.
9075         (Target_arm::do_relax, Target_arm::group_sections,
9076         Target_arm::scan_reloc_for_stub,
9077         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9078         (Target_arm::arm_input_section_map_): New data member declaration.
9079         (Target_arm::scan_reloc_for_stub,
9080         Target_arm::scan_reloc_section_for_stubs,
9081         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9082         Target_arm::do_relax): New method definitions.
9083
9084 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9085
9086         * configure.ac: Check for (struct stat)::st_mtim
9087         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9088         * config.in: Regenerate.
9089         * configure: Regenerate.
9090
9091 2009-11-05  Ian Lance Taylor  <iant@google.com>
9092
9093         PR 10910
9094         * output.cc (Output_segment::add_output_section): Add missing
9095         return statement.
9096
9097 2009-11-04  Ian Lance Taylor  <iant@google.com>
9098
9099         PR 10880
9100         * object.h (class Object): Add is_needed and set_is_needed
9101         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9102         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9103         defined in a dynamic object and referenced by a regular object,
9104         set is_needed for the dynamic object.
9105         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9106         if the file is marked with as_needed and it is not needed.
9107
9108 2009-11-04  Ian Lance Taylor  <iant@google.com>
9109
9110         PR 10887
9111         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9112         tags if data is discarded by linker script.
9113         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9114         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9115         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9116         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9117
9118 2009-11-04  Ian Lance Taylor  <iant@google.com>
9119
9120         * layout.cc (Layout::get_output_section): Add is_interp and
9121         is_dynamic_linker_section parameters.  Change all callers.
9122         (Layout::choose_output_section): Likewise.
9123         (Layout::make_output_section): Likewise.
9124         (Layout::add_output_section_data): Add is_dynamic_linker_section
9125         parameter.  Change all callers.
9126         * layout.h (class Layout): Update declarations.
9127         * output.h (class Output_section): Add is_interp, set_is_interp,
9128         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9129         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9130         generate_code_fills_at_write_ to a bitfield.
9131         * output.cc (Output_section::Output_sections): Initialize new
9132         fields.
9133         (Output_segment::add_output_section): Add do_sort parameter.
9134         Change all callers.
9135
9136 2009-11-03  Ian Lance Taylor  <iant@google.com>
9137
9138         PR 10860
9139         * options.h (class General_options): Add --warn-common.
9140         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9141         merging two common symbols.
9142         (Symbol_table::should_override): Handle --warn-common when merging
9143         a common symbol with a defined symbol.  Use report_resolve_problem
9144         for multiple definitions.
9145         (Symbol_table::report_resolve_problem): New function.
9146         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9147
9148 2009-11-03  Doug Kwan  <dougkwan@google.com>
9149
9150         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9151         stub_factory_.
9152         (Target_arm::stub_factory): New method definition.
9153         (Target_arm::new_arm_input_section,
9154         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9155         Target_arm::reloc_uses_thumb_bit): New method declarations.
9156         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9157         New type definitions.
9158         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9159         member declarations.
9160         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9161         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9162         New method definitions.
9163
9164 2009-11-03  Ian Lance Taylor  <iant@google.com>
9165
9166         * options.h (class General_options): Add --warn_constructors.
9167
9168 2009-11-03  Ian Lance Taylor  <iant@google.com>
9169
9170         PR 10893
9171         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9172         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9173
9174 2009-11-03  Ian Lance Taylor  <iant@google.com>
9175
9176         PR 10895
9177         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9178         --msgid-bugs-address.
9179         (install-pdf): New target.
9180         (install-data_yes): Look up one directory to find mkinstalldirs.
9181
9182 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9183
9184         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9185         tree.
9186
9187 2009-10-30  Doug Kwan  <dougkwan@google.com>
9188
9189         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9190
9191 2009-10-30  Doug Kwan  <dougkwan@google.com>
9192
9193         * arm.cc (Stub_addend_reader): New struct template definition
9194         and partial specializations.
9195         (Stub_addend_reader::operator()): New method definition for a
9196         partially specialized template.
9197
9198 2009-10-30  Doug Kwan  <dougkwan@google.com>
9199
9200         * arm.cc (Arm_relobj::processor_specific_flags): New method
9201         definition.
9202         (Arm_relobj::do_read_symbols): New method declaration.
9203         (Arm_relobj::processor_specific_flags_): New data member declaration.
9204         (Arm_dynobj): New class definition.
9205         (Target_arm::do_finalize_sections): Add input_objects parameter.
9206         (Target_arm::do_adjust_elf_header): New method declaration.
9207         (Target_arm::are_eabi_versions_compatible,
9208         (Target_arm::merge_processor_specific_flags): New method declaration.
9209         (Target_arm::do_make_elf_object): New overloaded method definitions
9210         and declaration.
9211         (Arm_relobj::do_read_symbols): New method definition.
9212         (Arm_dynobj::do_read_symbols): Ditto.
9213         (Target_arm::do_finalize_sections): Add input_objects parameters.
9214         Merge processor-specific flags from all input objects.
9215         (Target_arm::are_eabi_versions_compatible,
9216         Target_arm::merge_processor_specific_flags,
9217         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9218         New method definitions.
9219         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9220         Input_objects pointer type parameter.
9221         * layout.cc (Layout::finalize): Pass input objects to target's.
9222         finalize_sections function.
9223         * output.cc (Output_file_header::do_sized_write): Set ELF file
9224         header's processor-specific flags.
9225         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9226         Input_objects pointer type parameter.
9227         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9228         * target.h (Input_objects): New forward class declaration.
9229         (Target::processor_specific_flags,
9230         Target::are_processor_specific_flags_sect): New method definitions.
9231         (Target::finalize_sections): Add input_objects parameter.
9232         (Target::Target): Initialize processor_specific_flags_ and
9233         are_processor_specific_flags_set_.
9234         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9235         parameter.
9236         (Target::set_processor_specific_flags): New method definition.
9237         (Target::processor_specific_flags_,
9238         Target::are_processor_specific_flags_set_): New data member
9239         declarations.
9240         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9241         Input_objects pointer type parameter.
9242
9243 2009-10-30  Doug Kwan  <dougkwan@google.com>
9244
9245         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9246
9247 2009-10-28  Ian Lance Taylor  <iant@google.com>
9248
9249         * object.h (class Relobj): Drop options parameter from
9250         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9251         do_scan_relocs, do_relocate.  Change all callers.
9252         (class Sized_relobj): Drop options parameters from
9253         do_gc_process_relocs, do_scan_relocs, do_relocate,
9254         do_relocate_sections, relocate_sections, emit_relocs_scan,
9255         emit_relocs_scan_reltype.  Change all callers.
9256         (struct Relocate_info): Remove options field and all references to
9257         it.
9258         * reloc.h (class Read_relocs): Remove options constructor
9259         parameter and options_ field.  Change all callers.
9260         (class Gc_process_relocs, class Scan_relocs): Likewise.
9261         (class Relocate_task): Likewise.
9262         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9263         all callers.
9264         (scan_relocatable_relocs): Likewise.
9265         * target.h (class Sized_target): Remove options parameter from
9266         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9267         all callers.
9268         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9269         callers.
9270         * arm.cc: Update functions to remove options parameters.
9271         * i386.cc: Likewise.
9272         * powerpc.cc: Likewise.
9273         * sparc.cc: Likewise.
9274         * x86_64.cc: Likewise.
9275         * testsuite/testfile.cc: Likewise.
9276
9277 2009-10-28  Doug Kwan  <dougkwan@google.com>
9278
9279         * arm.cc (Arm_relobj): New class definition.
9280         (Arm_relobj::scan_sections_for_stubs,
9281         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9282         New method definitions.
9283
9284 2009-10-28  Cary Coutant  <ccoutant@google.com>
9285
9286         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9287         (Plugin::cleanup_done_): New member.
9288         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9289         (Plugin_manager::cleanup_done_): Remove.
9290         (Plugin_manager::add_input_file): Edit error message.
9291         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9292         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9293
9294 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9295
9296         * fileread.cc: (File_read::View::~View): Use the new
9297         data_ownership_ filed.
9298         (File_read::~File_read): Dispose the new whole_file_view_.
9299         (File_read::open): Mmap the whole file if needed.
9300         (File_read::open): Use whole_file_view_ instead of contents_.
9301         (File_read::find_view): Use whole_file_view_ if applicable.
9302         (File_read::do_read): Use whole_file_view_ instead of contents_.
9303         (File_read::make_view): Use whole_file_view_ instead of contents_,
9304         update File_read::View::View call.
9305         (File_read::find_or_make_view): Update File_read::View::View
9306         call.
9307         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9308         remove contents_
9309         (File_read::View::Data_ownership): New enum.
9310         (File_read::View::View): Replace bool mapped_ with Data_ownership
9311         argument.
9312         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9313         (File_read::View::data_ownership_): New field.
9314         (File_read::contents_): Remove (replaced by whole_file_view_).
9315         (File_read::whole_file_view_): New field.
9316         * options.h (class General_options): Add --keep-files-mapped.
9317
9318 2009-10-27  Cary Coutant  <ccoutant@google.com>
9319
9320         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9321         * testsuite/Makefile.am (plugin_test_5): New test case.
9322         * testsuite/Makefile.in: Regenerate.
9323
9324 2009-10-25  Doug Kwan  <dougkwan@google.com>
9325
9326         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9327         from private to protected to allow access by child class.
9328         (Sized_relobj::do_relocate_sections): New method declaration.
9329         (Sized_relobj::relocate_sections): Virtualize.
9330         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9331         Sized_relobj::relocate_sections.  Instantiate template explicitly
9332         for different target sizes and endianity.
9333
9334 2009-10-24  Doug Kwan  <dougkwan@google.com>
9335
9336         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9337         (Arm_input_section::as_arm_input_section): New method.
9338         (Arm_output_section): New class definition.
9339         (Arm_output_section::create_stub_group,
9340         Arm_output_section::group_sections): New method definitions.
9341
9342 2009-10-22  Doug Kwan  <dougkwan@google.com>
9343
9344         * arm.cc (Arm_input_section): New class definition.
9345         (Arm_input_section::init, Arm_input_section:do_write,
9346         Arm_input_section::set_final_data_size,
9347         Arm_input_section::do_reset_address_and_file_offset): New method
9348         definitions.
9349
9350 2009-10-21  Doug Kwan  <dougkwan@google.com>
9351
9352         * arm.cc (Stub_table, Arm_input_section): New forward class
9353         declarations.
9354         (Stub_table): New class defintion.
9355         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9356         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9357         New method definition.
9358
9359 2009-10-21  Doug Kwan  <dougkwan@google.com>
9360
9361         * arm.cc: Update copyright comments.
9362         (Target_arm): New forward class template declaration.
9363         (Arm_address): New type.
9364         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9365         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9366         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9367         constants.
9368         (Insn_template): Same.
9369         (DEF_STUBS): New macro.
9370         (Stub_type): New enum type.
9371         (Stub_template): New class definition.
9372         (Stub): Same.
9373         (Reloc_stub): Same.
9374         (Stub_factory): Same.
9375         (Target_arm::Target_arm): Initialize may_use_blx_ and
9376         should_force_pic_veneer_.
9377         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9378         Target_arm::should_force_pic_veneer,
9379         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9380         Target_arm::using_thumb_only, Target_arm:;default_target): New
9381         method defintions.
9382         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9383         New data member declarations.
9384         (Insn_template::size, Insn_template::alignment): New method defintions.
9385         (Stub_template::Stub_template): New method definition.
9386         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9387         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9388         (Stub_factory::Stub_factory): New method definition.
9389         * gold.h (string_hash): New template.
9390         * output.h (Input_section_specifier::hash_value): Use
9391         gold::string_hash.
9392         (Input_section_specifier::string_hash): Remove.
9393         * stringpool.cc (Stringpool_template::string_hash): Use
9394         gold::string_hash.
9395
9396 2009-10-20  Doug Kwan  <dougkwan@google.com>
9397
9398         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9399         symbols of relaxed input sections.
9400         * output.h (Output_section::find_relaxed_input_section): Make
9401         method public.
9402
9403 2009-10-16  Doug Kwan  <dougkwan@google.com>
9404
9405         * dynobj.cc (Versions::Versions): Initialize version_script_.
9406         Only insert base version symbol definition for a shared object
9407         if version script defines any version versions.
9408         (Versions::define_base_version): New method definition.
9409         (Versions::add_def): Check that base version is not needed.
9410         (Versions::add_need): Define base version lazily.
9411         * dynobj.h (Versions::define_base_version): New method declaration.
9412         (Versions::needs_base_version_): New data member declaration.
9413         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9414         (check_DATA): Add no_version_test.stdout.
9415         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9416         New make rules.
9417         * testsuite/Makefile.in: Regenerate.
9418         * testsuite/no_version_test.c: New file.
9419         * testsuite/no_version_test.sh: Ditto.
9420
9421 2009-10-16  Doug Kwan  <dougkwan@google.com>
9422
9423         * expression.cc (class Segment_start_expression): New class definition.
9424         (Segment_start_expression::value): New method definition.
9425         (script_exp_function_segment_start): Return a new
9426         Segment_start_expression.
9427         * gold/script-c.h (script_saw_segment_start_expression): New function
9428         prototype.
9429         * script-sections.cc (Script_sections::Script_sections): Initialize
9430         SAW_SEGMENT_START_EXPRESSION_ to false.
9431         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9432         and -Tbbs options to specify section addresses if given in
9433         command line and no SEGMENT_START expression is seen in a script.
9434         * script-sections.h (Script_sections::saw_segment_start_expression,
9435         Script_sections::set_saw_segment_start_expression): New method
9436         definition.
9437         (Script_sections::saw_segment_start_expression_): New data member
9438         declaration.
9439         * script.cc (script_saw_segment_start_expression): New function.
9440         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9441         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9442         script_test_7.sh and script_test_8.sh.
9443         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9444         script_test_8.stdout.
9445         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9446         (script_test_6, script_test_6.stdout, script_test_7,
9447         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9448         * Makefile.in: Regenerate.
9449         * testsuite/script_test_6.sh: New file.
9450         * testsuite/script_test_6.t: Same.
9451         * testsuite/script_test_7.sh: Same.
9452         * testsuite/script_test_7.t: Same.
9453         * testsuite/script_test_8.sh: Same.
9454
9455 2009-10-16  Doug Kwan  <dougkwan@google.com>
9456
9457         * output.cc (Output_segment::set_section_list_address): Cast
9458         expressions to unsigned long long type to avoid format warnings.
9459
9460 2009-10-15  Ian Lance Taylor  <iant@google.com>
9461
9462         * script.cc (Script_options::add_symbol_assignment): Always add a
9463         dot assignment to script_sections_.
9464         * script-sections.cc (Script_sections::add_dot_assignment):
9465         Initialize if necessary.
9466
9467         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9468         program headers with no load segment if there is a linker script.
9469
9470         * layout.cc (Layout::set_segment_offsets): Align the file offset
9471         to the segment aligment for -N or -n with no load segment.
9472         * output.cc (Output_segment::add_output_section): Don't crash if
9473         the first section is a TLS section.
9474         (Output_segment::set_section_list_addresses): Print an error
9475         message if the address moves backward in a linker script.
9476         * script-sections.cc
9477         (Output_section_element_input::set_section_addresses): Don't
9478         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9479         (Orphan_output_section::set_section_addresses): Likewise.
9480
9481 2009-10-15  Doug Kwan  <dougkwan@google.com>
9482
9483         * layout.cc (Layout::finish_dynamic_section): Generate tags
9484         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9485         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9486         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9487
9488 2009-10-14  Ian Lance Taylor  <iant@google.com>
9489
9490         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9491         fields.
9492         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9493         data_shdr fields of relinfo.
9494         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9495         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9496         R_386_TLS_LDO_32, adjust based on section flags.
9497         (Target_i386::Relocate::fix_up_ldo): Remove.
9498
9499 2009-10-13  Ian Lance Taylor  <iant@google.com>
9500
9501         Add support for -pie.
9502         * options.h (class General_options): Add -pie and
9503         --pic-executable.
9504         (General_options::output_is_position_independent): Test -pie.
9505         (General_options::output_is_executable): Return true if not shared
9506         and not relocatable.
9507         (General_options::output_is_pie): Remove.
9508         * options.cc (General_options::finalize): Reject incompatible uses
9509         of -pie.
9510         * gold.cc (queue_middle_tasks): A -pie link is not static.
9511         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9512         * symtab.cc (Symbol::final_value_is_known): Return false if
9513         output_is_position_independent.
9514         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9515         output_is_position_independent.
9516         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9517         output_is_position_independent.
9518         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9519         output_is_position_independent.
9520         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9521         two_file_pie_test.
9522         (basic_pie_test.o, basic_pie_test): New targets.
9523         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9524         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9525         (two_file_pie_test): New target.
9526         * testsuite/Makefile.in: Rebuild.
9527         * README: Remove note saying that -pie is not supported.
9528
9529 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9530
9531         * options.h (class General_options): Add -init and -fini.
9532         * layout.cc (Layout::finish_dynamic_section): Emit
9533         given init and fini functions.
9534
9535 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9536
9537         * gc.h (gc_process_relocs): Check if icf is enabled using new
9538         function.
9539         * gold.cc (queue_initial_tasks): Likewise.
9540         (queue_middle_tasks): Likewise.
9541         * object.cc (do_layout): Likewise.
9542         * symtab.cc (is_section_folded): Likewise.
9543         * main.cc (main): Likewise.
9544         * reloc.cc (Read_relocs::run): Likewise.
9545         (Sized_relobj::do_scan_relocs): Likewise.
9546         * icf.cc (is_function_ctor_or_dtor): New function.
9547         (Icf::find_identical_sections): Check if function is ctor or dtor when
9548         safe icf is chosen.
9549         * options.h (General_options::icf): Change option to be an enum.
9550         (Icf_status): New enum.
9551         (icf_enabled): New method.
9552         (icf_safe_folding): New method.
9553         (set_icf_status): New method.
9554         (icf_status_): New variable.
9555         * (options.cc) (General_options::finalize): Set icf_status_.
9556         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9557         icf_test and icf_keep_unique_test to use the --icf enum flag.
9558         * testsuite/icf_safe_test.sh: New file.
9559         * testsuite/icf_safe_test.cc: New file.
9560
9561 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9562
9563         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9564         includes to gc.h and icf.h.
9565         * arm.cc: Include gc.h.
9566         * gold.cc: Likewise.
9567         * i386.cc: Likewise.
9568         * powerpc.cc: Likewise.
9569         * sparc.cc: Likewise.
9570         * x86_64.cc: Likewise.
9571         * gc.h: Include icf.h.
9572
9573 2009-10-11  Ian Lance Taylor  <iant@google.com>
9574
9575         * plugin.cc: Include "gold.h" before other header files.
9576
9577 2009-10-10  Chris Demetriou  <cgd@google.com>
9578
9579         * options.h (Input_file_argument::Input_file_type): New enum.
9580         (Input_file_argument::is_lib_): Replace with...
9581         (Input_file_argument::type_): New member.
9582         (Input_file_argument::Input_file_argument): Take Input_file_type
9583         'type' rather than boolean 'is_lib' as second argument.
9584         (Input_file_argument::is_lib): Use type_.
9585         (Input_file_argument::is_searched_file): New function.
9586         (Input_file_argument::may_need_search): Handle is_searched_file.
9587         * options.cc (General_options::parse_library): Support -l:filename.
9588         (General_options::parse_just_symbols): Update for Input_file_argument
9589         changes.
9590         (Command_line::process): Likewise.
9591         * archive.cc (Archive::get_file_and_offset): Likewise.
9592         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9593         * script.cc (read_script_file, script_add_file): Likewise.
9594         * fileread.cc (Input_file::Input_file): Likewise.
9595         (Input_file::will_search_for): Handle is_searched_file.
9596         (Input_file::open): Likewise.
9597         * readsyms.cc (Read_symbols::get_name): Likewise.
9598         * testsuite/Makefile.am (searched_file_test): New test.
9599         * testsuite/Makefile.in: Regenerate.
9600         * testsuite/searched_file_test.cc: New file.
9601         * testsuite/searched_file_test_lib.cc: New file.
9602
9603 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9604             Ian Lance Taylor  <iant@google.com>
9605
9606         * descriptor.cc: Include <cstdio> and "binary-io.h".
9607         (Descriptors::open): Open the files in binary mode always.
9608         * script.cc (Lex::get_token): Treat \r as whitespace.
9609
9610 2009-10-09  Ian Lance Taylor  <iant@google.com>
9611
9612         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9613
9614 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9615             Ian Lance Taylor  <iant@google.com>
9616
9617         * configure.ac: Check for readv function also.
9618         * fileread.cc (readv): Define if not HAVE_READV.
9619         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9620         does not exist.
9621         * config.in: Regenerate.
9622         * configure: Regenerate.
9623
9624 2009-10-09  Doug Kwan  <dougkwan@google.com>
9625
9626         * layout.cc (Layout::make_output_section): Call target hook to make
9627         ordinary output section.
9628         (Layout::finalize): Adjust parameter list of call the
9629         Target::may_relax().
9630         * layout.h (class Layout::section_list): New method.
9631         * merge.h (Output_merge_base::entsize): Change visibility to public.
9632         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9633         New methods.
9634         (Output_merge_string::do_is_string): New method.
9635         * object.cc (Sized_relobj::do_setup): renamed from
9636         Sized_relobj::set_up.
9637         * object.h (Sized_relobj::adjust_shndx,
9638         Sized_relobj::initializ_input_to_output_maps,
9639         Sized_relobj::free_input_to_output_maps): Change visibilities to
9640         protected.
9641         (Sized_relobj::setup): Virtualize.
9642         (Sized_relobj::do_setup): New method declaration.
9643         (Sized_relobj::invalidate_section_offset,
9644         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9645         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9646         * options.cc (parse_int): New function.
9647         * options.h (parse_int): New declaration.
9648         (DEFINE_int): New macro.
9649         (stub_group_size): New option.
9650         * output.cc (Output_section::Output_section): Initialize memebers
9651         merge_section_map_, merge_section_by_properties_map_,
9652         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9653         (Output_section::add_input_section): Handled deferred code-fill
9654         generation and remove an old comment.
9655         (Output_section::add_relaxed_input_section): New method definition.
9656         (Output_section::add_merge_input_section): Use merge section by
9657         properties map to speed to search.  Update merge section maps
9658         as appropriate.
9659         (Output_section::build_relaxation_map): New method definition.
9660         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9661         Same.
9662         (Output_section::relax_input_section): Renamed to
9663         Output_section::convert_input_sections_to_relaxed_sections and change
9664         interface to take a vector of pointers to relaxed sections.
9665         (Output_section::find_merge_section,
9666         Output_section::find_relaxed_input_section): New method definitions.
9667         (Output_section::is_input_address_mapped,
9668         Output_section::output_offset, Output_section::output_address):
9669         Use output section data maps to speed up searching.
9670         (Output_section::find_starting_output_address): Add comments.
9671         (Output_section::do_write,
9672         Output_section::write_to_postprocessing_buffer): Do code-fill
9673         generation as appropriate.
9674         (Output_section::get_input_sections): Invalidate relaxed input section
9675         map.
9676         (Output_section::restore_states): Adjust type of checkpoint .
9677         Invalidate relaxed input section map.
9678         * output.h (Output_merge_base): New class declaration.
9679         (Input_section_specifier): New class defintion.
9680         (class Output_relaxed_input_section) Change base class to
9681         Output_section_data_build.
9682         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9683         base class initializer.
9684         (Output_section::add_relaxed_input_section): New method declaration.
9685         (Output_section::Input_section): Change visibility to protected.
9686         (Output_section::Input_section::relobj,
9687         Output_section::Input_section::shndx): Handle relaxed input sections.
9688         Output_section::input_sections) Change visibility to protected.  Also
9689         define overload to return a non-const pointer.
9690         (Output_section::Merge_section_properties): New class defintion.
9691         (Output_section::Merge_section_by_properties_map,
9692         Output_section::Output_section_data_by_input_section_map,
9693         Output_section::Relaxation_map): New types.
9694         (Output_section::relax_input_section): Rename method to
9695         Output_section::convert_input_sections_to_relaxed_sections and change
9696         interface to take a vector of relaxed section pointers.
9697         (Output_section::find_merge_section,
9698         Output_section::find_relaxed_input_section,
9699         Output_section::build_relaxation_map,
9700         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9701         New method declarations.
9702         (Output_section::merge_section_map_
9703         Output_section::merge_section_by_properties_map_,
9704         Output_section::relaxed_input_section_map_,
9705         Output_section::is_relaxed_input_section_map_valid_,
9706         Output_section::generate_code_fills_at_write_): New data members.
9707         * script-sections.cc
9708         (Output_section_element_input::set_section_addresses): Call
9709         current_data_size and addralign methods of relaxed input sections.
9710         (Orphan_output_section::set_section_addresses): Call current_data_size
9711         and addralign methods of relaxed input sections.
9712         * symtab.cc (Symbol_table::compute_final_value): Extract template
9713         from the body of Symbol_table::sized_finalize_symbol.
9714         (Symbol_table::sized_finalized_symbol): Call
9715         Symbol_table::compute_final_value.
9716         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9717         (Symbol_table::compute_final_value): New templated method declaration.
9718         * target.cc (Target::do_make_output_section): New method defintion.
9719         * target.h (Target::make_output_section): New method declaration.
9720         (Target::relax): Add more parameters for input objects, symbol table
9721         and layout.  Adjust call to do_relax.
9722         (Target::do_make_output_section): New method declaration.
9723         (Target::do_relax): Add parameters for input objects, symbol table
9724         and layout.
9725
9726 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9727
9728         * pread.c: Include stdio.h.
9729
9730 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9731
9732         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9733         defined.
9734
9735 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9736
9737         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9738         Change read_shndx type to unsigned int.
9739         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9740         int.
9741         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9742         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9743         Change read_shndx type to unsigned int.
9744         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9745         int.
9746         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9747         * layout.cc (Layout::create_symtab_sections): Cast the result of
9748         local_symcount * symsize to off_t in the gold_assert.
9749
9750 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9751
9752         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9753         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9754         R_ARM_BASE_ABS.
9755         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9756         (Arm_relocate_functions::thm_abs5): New function.
9757         (Arm_relocate_functions::abs12): New function.
9758         (Arm_relocate_functions::abs16): New function.
9759         (Arm_relocate_functions::base_abs): New function.
9760         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9761         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9762         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9763         R_ARM_BASE_ABS.
9764         (Scan::global): Likewise.
9765         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9766         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9767         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9768         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9769         R_ARM_BASE_ABS.
9770
9771 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9772
9773         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9774         (Arm_relocate_functions::movt_prel): New function.
9775         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9776         (Arm_relocate_functions::thm_movt_prel): New function.
9777         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9778         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9779         (Scan::global, Relocate::relocate): Likewise.
9780         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9781
9782 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9783
9784         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9785         Incremental_checker.
9786         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9787         unsigned int.
9788         (class Incremental_inputs_header): New class.
9789         (Incremental_inputs_header_writer): Edit comment.
9790         (Incremental_inputs_entry): New class.
9791         (Incremental_inputs_entry_writer): Edit comment.
9792         (Sized_incremental_binary::do_find_incremental_inputs_section):
9793         Add *strtab_shndx parameter, fill it.
9794         (Sized_incremental_binary::do_check_inputs): New method.
9795         (Incremental_checker::can_incrementally_link_output_file): Use
9796         Sized_incremental_binary::check_inputs.
9797         (Incremental_inputs::report_command_line): Save command line in
9798         command_line_.
9799         * incremental.h:
9800         (Incremental_binary::find_incremental_inputs_section): New
9801         method.
9802         (Incremental_binary::do_find_incremental_inputs_section): Add
9803         strtab_shndx parameter.
9804         (Incremental_binary::do_check_inputs): New pure virtual method.
9805         (Sized_incremental_binary::do_check_inputs): Declare.
9806         (Incremental_checker::Incremental_checker): Add incremental_inputs
9807         parameter, use it to initialize incremental_inputs_.
9808         (Incremental_checker::incremental_inputs_): New field.
9809         (Incremental_checker::command_line): New method.
9810         (Incremental_checker::inputs): New method.
9811         (Incremental_checker::command_line_): New field.
9812
9813 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9814
9815         * incremental.cc: Include <cstdarg> and "target-select.h".
9816         (vexplain_no_incremental): New function.
9817         (explain_no_incremental): New function.
9818         (Incremental_binary::error): New method.
9819         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9820         method.
9821         (make_sized_incremental_binary): New function.
9822         (open_incremental_binary): New function.
9823         (can_incrementally_link_file): Add checks if output is ELF and has
9824         inputs section.
9825         * incremental.h: Include "elfcpp_file.h" and "output.h".
9826         (Incremental_binary): New class.
9827         (Sized_incremental_binary): New class.
9828         (open_incremental_binary): Declare.
9829         * object.cc (is_elf_object): Use
9830         elfcpp::Elf_recognizer::is_elf_file.
9831         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9832         * output.h (Output_file::filesize): New method.
9833
9834 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9835
9836         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9837         New function.
9838         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9839         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9840         function.
9841         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9842         function.
9843         (Arm_relocate_functions::movw_abs_nc): New function.
9844         (Arm_relocate_functions::movt_abs): New function.
9845         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9846         (Arm_relocate_functions::thm_movt_abs): New function.
9847         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9848         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9849         (Scan::global): Likewise.
9850         (Relocate::relocate): Likewise.
9851         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9852
9853 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9854
9855         * arm.cc (Arm_relocate_functions::got_prel) New function.
9856         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9857         (Relocate::relocate): Likewise.
9858         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9859
9860 2009-10-06  Ian Lance Taylor  <iant@google.com>
9861
9862         * options.h (class General_options): Define
9863         split_stack_adjust_size parameter.
9864         * object.h (class Object): Add uses_split_stack_ and
9865         has_no_split_stack_ fields.  Add uses_split_stack and
9866         has_no_split_stack accessor functions.  Declare
9867         handle_split_stack_section.
9868         (class Reloc_symbol_changes): Define.
9869         (class Sized_relobj): Define Function_offsets.  Declare
9870         split_stack_adjust, split_stack_adjust_reltype, and
9871         find_functions.
9872         * object.cc (Object::handle_split_stack_section): New function.
9873         (Sized_relobj::do_layout): Call handle_split_stack_section.
9874         * dynobj.cc (Sized_dynobj::do_layout): Call
9875         handle_split_stack_section.
9876         * reloc.cc (Sized_relobj::relocate_sections): Call
9877         split_stack_adjust for executable sections in split_stack
9878         objects.  Pass reloc_map to relocate_section.
9879         (Sized_relobj::split_stack_adjust): New function.
9880         (Sized_relobj::split_stack_adjust_reltype): New function.
9881         (Sized_relobj::find_functions): New function.
9882         * target-reloc.h: Include "object.h".
9883         (relocate_section): Add reloc_symbol_changes parameter.  Change
9884         all callers.
9885         * target.h (class Target): Add calls_non_split method.  Declare
9886         do_calls_non_split virtual method.  Declare match_view and
9887         set_view_to_nop.
9888         * target.cc: Include "elfcpp.h".
9889         (Target::do_calls_non_split): New function.
9890         (Target::match_view): New function.
9891         (Target::set_view_to_nop): New function.
9892         * gold.cc (queue_middle_tasks): Give an error if mixing
9893         split-stack and non-split-stack objects with -r.
9894         * i386.cc (Target_i386::relocate_section): Add
9895         reloc_symbol_changes parameter.
9896         (Target_i386::do_calls_non_split): New function.
9897         * x86_64.cc (Target_x86_64::relocate_section): Add
9898         reloc_symbol_changes parameter.
9899         (Target_x86_64::do_calls_non_split): New function.
9900         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9901         parameter.
9902         * powerpc.cc (Target_powerpc::relocate_section): Add
9903         reloc_symbol_changes parameter.
9904         * sparc.cc (Target_sparc::relocate_section): Add
9905         reloc_symbol_changes parameter.
9906         * configure.ac: Call AM_CONDITIONAL for the default target.
9907         * configure: Rebuild.
9908         * testsuite/Makefile.am (TEST_AS): New variable.
9909         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9910         (check_DATA): Add split_i386 and split_x86_64 files.
9911         (SPLIT_DEFSYMS): Define.
9912         (split_i386_[1234n].o): New targets.
9913         (split_i386_[124]): New targets.
9914         (split_i386_[1234r].stdout): New targets.
9915         (split_x86_64_[1234n].o): New targets.
9916         (split_x86_64_[124]): New targets.
9917         (split_x86_64_[1234r].stdout): New targets.
9918         (MOSTLYCLEANFILES): Add new executables.
9919         * testsuite/split_i386.sh: New file.
9920         * testsuite/split_x86_64.sh: New file.
9921         * testsuite/split_i386_1.s: New file.
9922         * testsuite/split_i386_2.s: New file.
9923         * testsuite/split_i386_3.s: New file.
9924         * testsuite/split_i386_4.s: New file.
9925         * testsuite/split_i386_n.s: New file.
9926         * testsuite/split_x86_64_1.s: New file.
9927         * testsuite/split_x86_64_2.s: New file.
9928         * testsuite/split_x86_64_3.s: New file.
9929         * testsuite/split_x86_64_4.s: New file.
9930         * testsuite/split_x86_64_n.s: New file.
9931         * testsuite/testfile.cc (Target_test): Update relocation_section
9932         function.
9933         * testsuite/Makefile.in: Rebuild.
9934
9935 2009-10-06  Ian Lance Taylor  <iant@google.com>
9936
9937         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9938         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9939         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9940         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9941         the address on ldo_addrs_.
9942         (Target_i386::Relocate::fix_up_ldo): New function.
9943
9944 2009-10-06   Rafael Espindola  <espindola@google.com>
9945
9946         * plugin.cc (add_input_library): New.
9947         (Plugin::load): Add add_input_library to tv.
9948         (Plugin_manager::add_input_file): Add the is_lib argument.
9949         (add_input_file): Update call to Plugin_manager::add_input_file.
9950         (add_input_library): New.
9951         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9952
9953 2009-09-30  Doug Kwan  <dougkwan@google.com>
9954
9955         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9956         symbol and call Symbol::may_need_copy_reloc to determine if
9957         a copy reloc is needed.
9958         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9959         nocopyreloc is given in command line.
9960         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9961         given in command line.
9962         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9963         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9964         of the removed Target_i386::may_need_copy_reloc.
9965         * options.h (copyreloc): New option with default value false.
9966         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9967         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9968         instead of the removed Target_powerpc::may_need_copy_reloc.
9969         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9970         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9971         instead of the removed Target_sparc::may_need_copy_reloc.
9972         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9973         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9974         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9975         instead of the removed Target_x86_64::may_need_copy_reloc.
9976
9977 2009-09-30  Ian Lance Taylor  <iant@google.com>
9978
9979         * object.h (class Object): Remove target_ field, and target,
9980         sized_target, and set_target methods.
9981         (Object::sized_target): Remove.
9982         (class Sized_relobj): Update declarations.  Remove sized_target.
9983         * object.cc (Sized_relobj::setup): Remove target parameter.
9984         Change all callers.
9985         (Input_objects::add_object): Don't do anything with the target.
9986         (make_elf_sized_object): Add punconfigured parameter.  Change all
9987         callers.  Set or test parameter target.
9988         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9989         Change all callers.
9990         * parameters.cc (Parameters::set_target): Change parameter type to
9991         be non-const.
9992         (Parameters::default_target): Remove.
9993         (set_parameters_target): Change parameter type to be non-const.
9994         (parameters_force_valid_target): New function.
9995         (parameters_clear_target): New function.
9996         * parameters.h (class Parameters): Update declarations.  Remove
9997         default_target method.  Add sized_target and clear_target
9998         methods.  Change target_ to be non-const.
9999         (set_parameters_target): Update declaration.
10000         (parameters_force_valid_target): Declare.
10001         (parameters_clear_target): Declare.
10002         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10003         as NULL if we aren't searching.
10004         (Add_symbols::run): Don't check for compatible target.
10005         * fileread.cc (Input_file::open_binary): Call
10006         parameters_force_valid_target.
10007         * gold.cc (queue_middle_tasks): Likewise.
10008         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10009         set_target on object.
10010         * dynobj.h (class Sized_dynobj): Update declarations.
10011         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10012         make_elf_object returns NULL.
10013         (Archive::include_member): Don't check whether object target is
10014         compatible.
10015         * output.cc (Output_section::add_input_section): Get target from
10016         parameters.
10017         (Output_section::relax_input_section): Likewise.
10018         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10019         parameters.
10020         (Sized_relobj::do_scan_relocs): Likewise.
10021         (Sized_relobj::relocate_sections): Likewise.
10022         * resolve.cc (Symbol_table::resolve): Likewise.
10023         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10024         parameter.  Change all callers.
10025         (Symbol_table::add_from_object): Get target from parameters.
10026         (Symbol_table::add_from_relobj): Don't check object target.
10027         (Symbol_table::add_from_dynobj): Likewise.
10028         (Symbol_table::define_special_symbol): Get target from
10029         parameters.
10030         * symtab.h (class Symbol_table): Update declaration.
10031         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10032         parameter.  Change all callers.  Clear parameter target.
10033         (Binary_test): Test target here.
10034         * testsuite/object_unittest.cc (gold_testsuite): Remove
10035         target_test_pointer parameter.  Change all callers.
10036         (Object_test): Test target here.
10037
10038 2009-09-26  Ian Lance Taylor  <iant@google.com>
10039
10040         * testsuite/initpri1.c: Don't try to use constructor priorities if
10041         compiling with gcc before 4.3.
10042
10043 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10044
10045         * testsuite/retain_symbols_file_test.sh (check_present): Change
10046         output file name to retain_symbols_file_test.stdout.
10047         (check_absent): Likewise.
10048
10049 2009-09-18  Craig Silverstein  <csilvers@google.com>
10050
10051         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10052         * options.cc: Include <cerrno> and <fstream>.
10053         (General_options::finalize): Parse -retain-symbols-file tag.
10054         * options.h: New flag.
10055         (General_options): New method should_retain_symbol, new
10056         variable symbols_to_retain.
10057         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10058         should_retain_symbol map.
10059         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10060         * testsuite/Makefile.in: Regenerate.
10061         * testsuite/retain_symbols_file_test.sh: New file.
10062
10063 2009-09-18  Nick Clifton  <nickc@redhat.com>
10064
10065         * po/es.po: Updated Spanish translation.
10066
10067 2009-09-17  Doug Kwan  <dougkwan@google.com>
10068
10069         * debug.h (DEBUG_RELAXATION): New constant.
10070         (DEBUG_ALL): Add DEBUG_RELAXATION.
10071         (debug_string_to_enum): Add relaxation debug option.
10072         * layout.cc
10073         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10074         Layout::Relaxation_debug_check::read_sections,
10075         Layout::Relaxation_debug_check::read_sections): New method definitions.
10076         (Layout::Layout): Initialize data members
10077         record_output_section_data_from_scrips_,
10078         script_output_section_data_list_ and relaxation_debug_check_.
10079         (Layout::save_segments, Layout::restore_segments,
10080         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10081         Layout::relaxation_loop_body): New method definitions.
10082         (Layout::finalize): Support relaxation.  Move section layout code to
10083         Layout::relaxation_loop_body.
10084         (Layout::set_asection_address_from_script): Move code for orphan
10085         section placement out.
10086         (Layout::place_orphan_sections_in_script): New method definition.
10087         * layout.h (Output_segment_headers, Output_file_header):
10088         New forward class declarations.
10089         (Layout::~Layout): Define.
10090         (Layout::new_output_section_data_from_script): New method definition.
10091         (Layout::place_orphan_sections_in_script): New method declaration.
10092         (Layout::Segment_states): New type declaration.
10093         (Layout::save_segments, Layout::restore_segments,
10094         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10095         Layout::relaxation_loop_body): New method declarations.
10096         (Layout::Output_section_data_list): New type declaration.
10097         (Layout::Relaxation_debug_check): New class definition.
10098         (Layout::record_output_section_data_from_script_,
10099         Layout::script_output_section_data_list_, Layout::segment_states_,
10100         Layout::relaxation_debug_check_): New data members.
10101         * output.cc: (Output_section_headers::do_size): New method definition.
10102         (Output_section_headers::Output_section_headers): Move size
10103         computation to Output_section_headers::do_size.
10104         (Output_segment_headers::do_size): New method definition.
10105         (Output_file_header::Output_file_header): Move size computation to
10106         Output_file_header::do_size and call it.
10107         (Output_file_header::do_size): New method definition.
10108         (Output_data_group::Output_data_group): Adjust call to
10109         Output_section_data.
10110         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10111         (Output_symtab_xindex::do_write): Add array bound check.
10112         (Output_section::Input_section::print_to_mapfile): Handle
10113         RELAXED_INPUT_SECTION_CODE.
10114         (Output_section::Output_section): Initialize data member checkpoint_.
10115         (Output_section::~Output_section): Delete checkpoint object pointed
10116         by checkpoint_.
10117         (Output_section::add_input_section): Always add an Input_section if
10118         relaxing.
10119         (Output_section::add_merge_input_section): Add assert.
10120         (Output_section::relax_input_section): New method definition.
10121         (Output_section::set_final_data_size): Set load address to zero for
10122         an unallocated section.
10123         (Output_section::do_address_and_file_offset_have_reset_values):
10124         New method definition.
10125         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10126         Handle relaxed input section.
10127         (Output_section::sort_attached_input_sections): Checkpoint input
10128         section list lazily.
10129         (Output_section::get_input_sections): Change type of input_sections to
10130         list of Simple_input_section pointers.  Checkpoint input section list
10131         lazily.  Also handle relaxed input sections.
10132         (Output_section::add_input_section_for_script): Take a reference to
10133         a Simple_input_section object instead of Relobj pointer and section
10134         index as parameter.  Handle relaxed input sections.
10135         (Output_section::save_states, Output_section::restore_states): New
10136         method definitions.
10137         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10138         (Output_data::is_data_size_fixed): New method definition.
10139         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10140         if it is fixed.
10141         (Output_data::address_and_file_offset_have_reset_values): New method
10142         definition.
10143         (Output_data::do_address_and_file_offset_have_reset_values): New method
10144         definition.
10145         (Output_data::set_data_size): Check that data size is not fixed.
10146         (Output_data::fix_data_size): New method definition.
10147         (Output_data::is_data_size_fixed_): New data member.
10148         (Output_section_headers::set_final_data_size): New method definition.
10149         (Output_section_headers::do_size): New method declaration.
10150         (Output_segment_headers::set_final_data_size): New method definition.
10151         (Output_segment_headers::do_size): New method declaration.
10152         (Output_file_header::set_final_data_size)::New method definition.
10153         (Output_file_header::do_size)::New method declaration.
10154         (Output_section_data::Output_section_data): Add new parameter
10155         is_data_size_fixed and use it to fix data size.
10156         (Output_data_const::Output_data_const): Adjust call to base class
10157         constructor and fix data size.
10158         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10159         base class constructor and fix data size.
10160         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10161         base class constructor and fix data size.
10162         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10163         class constructor and fix data size.
10164         (Output_data_group::set_final_data_size): New method definition.
10165         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10166         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10167         class constructor and fix data size.
10168         (Output_relaxed_input_section): New class definition.
10169         (Output_section::Simple_input_section): New class definition.
10170         (Output_section::get_input_sections): Adjust parameter list.
10171         (Output_section::add_input_section_for_script): Same.
10172         (Output_section::save_states, Output_section::restore_states,
10173         Output_section::do_address_and_file_offset_have_reset_values,
10174         (Output_section::Input_section::Input_section): Handle
10175         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10176         Output_relaxed_input_section.
10177         (Output_section::Input_section::is_input_section,
10178         Output_section::Input_section::set_output_section): Handle relaxed
10179         input section.
10180         (Output_section::Input_section::is_relaxed_input_section,
10181         Output_section::Input_section::output_section_data,
10182         Output_section::Input_section::relaxed_input_section): New method
10183         definitions.
10184         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10185         value.
10186         (Output_section::Input_section::u1_): Update comments.
10187         (Output_section::Input_section::u2_): Add new union member poris.
10188         (Output_section::Checkpoint_output_section): New classs definition.
10189         (Output_section::relax_input_section): New method declaration.
10190         (Output_section::checkpoint_): New data member.
10191         (Output_segment): Update comments.
10192         (Output_segment::Output_segment): Un-privatize copy constructor.
10193         (Output_segment::operator=): Un-privatize.
10194         * script-sections.cc (Output_section_element::Input_section_list):
10195         Change element type to Output_section::Simple_input_section.
10196         (Output_section_element_dot_assignment::set_section_addresses):
10197         Register output section data for relaxation clean up.
10198         (Output_data_exression::Output_data_expression): Adjust call to base
10199         constructor to fix data size.
10200         (Output_section_element_data::set_section_addresses): Register
10201         Output_data_expression object for relaxation clean up.
10202         (struct Input_section_info): Replace Relobj pointer and section index
10203         pair with Output_section::Simple_input_section and Convert struct to a
10204         class.
10205         (Input_section_sorter::operator()): Adjust access to
10206         Input_section_info data member to use accessors.
10207         (Output_section_element_input::set_section_addresses): Use layout
10208         parameter.  Adjust code to use Output_section::Simple_input_section
10209         and Input_secction_info classes.  Register filler for relaxation
10210         clean up.
10211         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10212         and section index pair with Output_section::Simple_input_section
10213         class.  Adjust code accordingly.
10214         (Phdrs_element::release_segment): New method definition.
10215         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10216         segment list.
10217         (Script_sections::release_segments): New method definition.
10218         * gold/script-sections.h (Script_sections::release_segments): New
10219         method declaration.
10220         * gold/target.h (Target::may_relax, Target::relax,
10221         Target::do_may_relax, Target::do_relax): New method definitions.
10222
10223 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10224
10225         * arm.cc (has_signed_unsigned_overflow): New function.
10226         (Arm_relocate_functions::abs8): New function.
10227         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10228         (Target_arm::Scan::global): Likewise.
10229         (Target_arm::relocate::relocate): Likewise.
10230         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10231         Likewise.
10232
10233 2009-09-16  Cary Coutant  <ccoutant@google.com>
10234
10235         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10236         * testsuite/Makefile.in: Regenerate.
10237
10238 2009-09-11  Nick Clifton  <nickc@redhat.com>
10239
10240         * po/gold.pot: Updated by the Translation project.
10241
10242 2009-09-08  Cary Coutant  <ccoutant@google.com>
10243
10244         * output.cc (Output_file::open): Add execute permission to empty file.
10245         * testsuite/Makefile.am (permission_test): New test.
10246         * testsuite/Makefile.in: Regenerate.
10247
10248 2009-09-02  Ian Lance Taylor  <iant@google.com>
10249
10250         * output.cc (Output_file::resize): Call map_no_anonymous rather
10251         than map.
10252
10253 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10254
10255         * gold.cc: Include "incremental.h".
10256         (queue_initial_tasks): Call Incremental_checker methods.
10257         * incremental.cc: Include "output.h".
10258         (Incremental_checker::can_incrementally_link_output_file): New
10259         method.
10260         * incremental.h (Incremental_checker): New class.
10261
10262         * output.cc (Output_file::open_for_modification): New method.
10263         (Output_file::map_anonymous): Changed return type to bool.  Record
10264         map in base_ field.
10265         (Output_file::map_no_anonymous): New method, broken out of map.
10266         (Output_file::map): Use map_no_anonymous and map_anonymous.
10267         * output.h (class Output_file): Update declarations.
10268
10269 2009-08-24  Cary Coutant  <ccoutant@google.com>
10270
10271         * options.h (Command_line::Pre_options): New class.
10272         (Command_line::pre_options): New member.
10273         * options.cc (gold::options::ready_to_register): New variable.
10274         (One_option::register_option): Do nothing if not registering options.
10275         Assert if same short option registered twice.
10276         (General_options::General_options): Turn off option registration when
10277         done constructing.
10278         (Command_line::Pre_options::Pre_options): New constructor.
10279
10280 2009-08-24  Cary Coutant  <ccoutant@google.com>
10281
10282         * options.h (General_options::no_keep_memory): Remove incorrect
10283         short option.
10284
10285 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10286
10287         * Makefile.am (am__skiplex, am__skipyacc): New.
10288         * Makefile.in: Regenerate.
10289
10290 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10291
10292         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10293         (INCLUDES): ... this.
10294         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10295         (AM_CPPFLAGS): Renamed from ...
10296         (INCLUDE): ... this.
10297         * Makefile.in, testsuite/Makefile.in: Regenerate.
10298
10299         * Makefile.in: Regenerate.
10300         * aclocal.m4: Likewise.
10301         * config.in: Likewise.
10302         * configure: Likewise.
10303         * testsuite/Makefile.in: Likewise.
10304
10305         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10306         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10307         * Makefile.in: Regenerate.
10308         * testsuite/Makefile.in: Regenerate.
10309
10310 2009-08-19  Cary Coutant  <ccoutant@google.com>
10311
10312         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10313         symbols in shared libraries overridden by hidden or internal symbols
10314         in the main program.
10315
10316 2009-08-19  Chris Demetriou  <cgd@google.com>
10317
10318         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10319         checking source file names in error messages.
10320
10321 2009-08-18  Doug Kwan  <dougkwan@google.com>
10322
10323         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10324         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10325         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10326         an elfcpp::Ehdr as parameter.
10327         * object.cc (Object::set_target): Remove the version that looks up
10328         a target and sets it.
10329         (Sized_relobj::setup): Take a Target object instead of
10330         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10331         (make_elf_sized_object): Find target and ask target to
10332         make an ELF object.
10333         * object.h: (Object::set_target): Remove the version that looks up
10334         a target and sets it.
10335         (Sized_relobj::setup): Take a Target object instead of
10336         an elfcpp:Ehdr as parameter.
10337         * target.cc: Include dynobj.h.
10338         (Target::do_make_elf_object_implementation): New.
10339         (Target::do_make_elf_object): New.
10340         * target.h (Target::make_elf_object): New template declaration.
10341         (Target::do_make_elf_object): New method declarations.
10342         (Target::do_make_elf_object_implementation): New template declaration.
10343
10344 2009-08-14  Ian Lance Taylor  <iant@google.com>
10345
10346         * gold.h (FUNCTION_NAME): Define.
10347         (gold_unreachable): Use FUNCTION_NAME.
10348
10349 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10350
10351         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10352         symbol in the --keep-unique list is not found.
10353
10354 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10355
10356         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10357         been maked as --keep-unique.
10358         (Icf::unfold_section): New function.
10359         * icf.h (Icf::unfold_section): New function.
10360         * options.h (General_options::keep_unique): New option.
10361         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10362         * testsuite/Makefile.in: Regenerate.
10363         * testsuite/icf_keep_unique_test.sh: New file.
10364         * testsuite/icf_keep_unique_test.cc: New file.
10365
10366 2009-08-12  Cary Coutant  <ccoutant@google.com>
10367
10368         PR 10471
10369         * resolve.cc (Symbol_table::resolve): Check for references from
10370         dynamic objects to hidden and internal symbols.
10371         * testsuite/Makefile.am (hidden_test.sh): New test.
10372         * testsuite/Makefile.in: Regenerate.
10373         * testsuite/hidden_test.sh: New script.
10374         * testsuite/hidden_test_1.c: New test source.
10375         * testsuite/hidden_test_main.c: New test source.
10376
10377 2009-08-11  Doug Kwan  <dougkwan@google.com>
10378
10379         * arm.cc: Update comments.
10380         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10381         segment to locate the .ARM.exidx section if present.
10382
10383 2009-08-09  Doug Kwan  <dougkwan@google.com>
10384
10385         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10386         patch.
10387
10388 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10389         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10390         compiler warnings.
10391
10392 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10393
10394         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10395         valid tls_segment only for non-debug-section relocations.
10396         * testsuite/Makefile.am: Add gc_tls_test.
10397         * testsuite/Makefile.in: Regenerate.
10398         * testsuite/gc_tls_test.cc: New file.
10399         * testsuite/gc_tls_test.sh: New file.
10400
10401 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10402
10403         * icf.cc: New file.
10404         * icf.h: New file.
10405         * Makefile.am (CCFILES): Add icf.cc.
10406         (HFILES): Add icf.h
10407         * Makefile.in: Regenerate.
10408         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10409         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10410         section, symbol and addend information for the relocs.
10411         * gold.cc (queue_middle_tasks): Call identical code folding.
10412         * gold.h: Add defines for multimap.
10413         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10414         to the call of finalize_local_symbols.
10415         * main.cc (main): Create object of class Icf.
10416         * object.cc (Sized_relobj::do_layout): Allow this function to be
10417         called twice during icf.
10418         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10419         to sections marked as identical by icf.
10420         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10421         when available.
10422         (Sized_relobj::do_section_entsize): New function.
10423         * object.h (Object::section_entsize): New function.
10424         (Object::do_section_entsize): New pure virtual function.
10425         (Relobj::finalize_local_symbols): Add new parameter.
10426         (Relobj::do_section_entsize): New function.
10427         * options.h (General_options::icf): New option.
10428         (General_options::icf_iterations): New option.
10429         (General_options::print_icf_sections): New option.
10430         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10431         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10432         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10433         icf.
10434         * symtab.cc (Symbol_table::is_section_folded): New function.
10435         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10436         to sections marked as identical by icf.
10437         * symtab.h (Symbol_table::set_icf): New function.
10438         (Symbol_table::icf): New function.
10439         (Symbol_table::is_section_folded): New function.
10440         (Symbol_table::icf_): New data member.
10441         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10442         * testsuite/Makefile.am: Add commands to build icf_test.
10443         * testsuite/Makefile.in: Regenerate.
10444         * testsuite/icf_test.sh: New file.
10445         * testsuite/icf_test.cc: New file.
10446
10447 2009-07-24  Chris Demetriou  <cgd@google.com>
10448
10449         * layout.cc (is_compressible_debug_section): Fix incorrect
10450         comment about compressed section names.
10451
10452 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10453
10454         PR 10419
10455         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10456
10457 2009-07-16  Ian Lance Taylor  <iant@google.com>
10458
10459         PR 10400
10460         * layout.h: #include <map>.
10461         (class Kept_section): Change from struct to class.  Add accessors
10462         and setters.  Add section size to Comdat_group mapping.  Change
10463         Comdat_group to std::map.  Add is_comdat_ field.  Add
10464         linkonce_size field in union.
10465         (class Layout): Update declaration of find_or_add_kept_section.
10466         Don't declare find_kept_object.
10467         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10468         parameter.  Add object, shndx, is_comdat, and is_group_name
10469         parameters.  Change all callers.  Adjust for new Kept_section.
10470         (Layout::find_kept_object): Remove.
10471         * object.cc (Sized_relobj::include_section_group): Update use of
10472         Kept_section.  Rename secnum to shndx.  Only record
10473         Kept_comdat_section if sections are the same size.
10474         (Sized_relobj::include_linkonce_section): Update use of
10475         Kept_section.  Only record Kept_comdat_section if sections are the
10476         same size.  Set size of linkonce section.
10477         (Sized_relobj::map_to_kept_section): Update call to
10478         get_kept_comdat_section.
10479         * object.h (class Sized_relobj): Rename fields in
10480         Kept_comdat_section to drop trailing underscores; change object
10481         field to Relobj*.  Change Kept_comdat_section_table to store
10482         struct rather than pointer.
10483         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10484         Add kept_object and kept_shndx parameters.  Change all callers.
10485         (Sized_relobj::get_kept_comdat_section): Change return type to
10486         bool.  Add kept_object and kept_shndx parameters.  Change all
10487         callers.
10488         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10489         Layout::find_or_add_kept_section.
10490
10491 2009-07-09  Ian Lance Taylor  <iant@google.com>
10492
10493         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10494         Reserve space in the hash table.
10495
10496 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10497
10498         * fileread.cc (File_read::get_mtime): New method.
10499         * fileread.h (Timespec): New structure.
10500         (File_read::get_mtime): New method.
10501         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10502         Renamed from timestamp_nsec.
10503         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10504         Elf_Xword.
10505         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10506         timestamp_nsec.
10507         (Incremental_inputs::report_archive): Save mtime; style fix.
10508         (Incremental_inputs::report_obejct): Save mtime; style fix.
10509         (Incremental_inputs::report_script): Save mtime; style fix.
10510         (Incremental_inputs::finalize_inputs): Style fix.
10511         (Incremental_inputs::finalize): Style fix.
10512         (Incremental_inputs::create_input_section_data): Store inputs
10513         mtime.
10514         * incremental.h (Incremental_inputs::report_script): Add mtime
10515         argument.
10516         (Incremental_inputs::Input_info::Input_info): Intialize only one
10517         union member.
10518         (Incremental_inputs::Input_info::archive): Move to nameless
10519         union.
10520         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10521         (Incremental_inputs::Input_info::script): Move to nameless union.
10522         (Incremental_inputs::mtime): New field.
10523         * script.cc (read_input_script): Pass file mtime to
10524         Incremental_input.
10525         * script.h (Script_info::inputs): Style fix.
10526
10527 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10528
10529         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10530         instead of 32.
10531
10532 2009-06-24  Ian Lance Taylor  <iant@google.com>
10533
10534         PR 10156
10535         * layout.cc (Layout::choose_output_section): If we find an
10536         existing section, update the flags.
10537         (Layout::create_notes): New function, broken out of
10538         Layout::finalize.
10539         (Layout::finalize): Don't create note sections.
10540         (Layout::create_note): Don't crash if linker script discards
10541         section.
10542         (Layout::create_gold_note): Likewise.
10543         (Layout::create_build_id): Likewise.  Don't set
10544         after_input_sections on the section.
10545         (Layout::create_executable_stack_info): Remove target parameter.
10546         Change caller.
10547         * layout.h (class Layout): Declare create_notes.  Update
10548         declaration of create_executable_stack_info.
10549         * gold.cc (queue_middle_tasks): Call create_notes.
10550         * output.cc (Output_section::update_flags_for_input_section): Move
10551         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10552         invalid.
10553         * output.h (Output_data::mark_address_invalid): New function.
10554         (class Output_section): Only declare, not define,
10555         update_flags_for_input_section.  Remove set_flags.
10556
10557 2009-06-24  Ian Lance Taylor  <iant@google.com>
10558
10559         * script-sections.cc (Output_section_definition::
10560         set_section_addresses): Rename shadowing local load_address to
10561         laddr.
10562
10563 2009-06-24  Ian Lance Taylor  <iant@google.com>
10564
10565         PR 10244
10566         * reloc.cc (relocate_sections): Skip empty relocation sections.
10567
10568 2009-06-23  Ian Lance Taylor  <iant@google.com>
10569
10570         PR 10156
10571         * layout.cc (Layout::create_note): Use choose_output_section
10572         rather than make_output_section.
10573
10574 2009-06-23  Ian Lance Taylor  <iant@google.com>
10575
10576         PR 10237
10577         * options.cc (General_options::parse_V): Set printed_version_.
10578         (General_options::General_options): Initialize printed_version_.
10579         * options.h (class General_options): Add printed_version_ field.
10580         * gold.cc (queue_initial_tasks): If there are no input files,
10581         don't give a fatal error if we printed the version information.
10582         (queue_middle_tasks): If using -r with a shared object, give a
10583         fatal error rather than an ordinary error.
10584
10585 2009-06-23  Ian Lance Taylor  <iant@google.com>
10586
10587         PR 10219
10588         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10589         (Layout::make_output_section): Set have_stabstr_section_ if we see
10590         a .stab*str section.
10591         (Layout::finalize): Call link_stabs_sections.
10592         (Layout::link_stabs_sections): New file.
10593         * layout.h (class Layout): Add have_stabstr_section_ field.
10594         Declare link_stabs_sections.
10595
10596 2009-06-23  Doug Kwan  <dougkwan@google.com>
10597
10598         * Makefile.am (libgold_a_LIBADD): New.
10599         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10600         * Makefile.in: Regenerate.
10601         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10602         * configure: Regenerate.
10603         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10604         * fileread.cc: Include sys/state.h
10605         * gold.h: Declare memmem and strndup if found missing.
10606         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10607
10608 2009-06-23  Ian Lance Taylor  <iant@google.com>
10609
10610         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10611         * configure: Rebuild.
10612
10613 2009-06-23  Ian Lance Taylor  <iant@google.com>
10614
10615         PR 10147
10616         * object.cc (Object::section_contents): Don't try to get a view if
10617         the section has length zero.
10618         (Object::handle_gnu_warning_section): If the section is empty, use
10619         the name of the section as the warning.
10620
10621 2009-06-23  Ian Lance Taylor  <iant@google.com>
10622
10623         PR 10133
10624         * stringpool.h (class Stringpool_template): Add optimize_ field.
10625         (Stringpool_template::set_optimize): New function.
10626         * stringpool.cc (Stringpool_template::Stringpool_template):
10627         Initialize optimize_ field.
10628         (Stringpool_template::set_string_offsets): Test local optimize
10629         fild rather than parameter.
10630         * layout.cc (Layout::Layout): Call set_optimize on the section
10631         name stringpool.
10632
10633 2009-06-22  Ian Lance Taylor  <iant@google.com>
10634
10635         PR 10030
10636         * yyscript.y: Parse TARGET.
10637         * script.cc (script_set_target): New function.
10638         * script-c.h (script_set_target): Declare.
10639         * options.cc (General_options::string_to_object_format): Rename
10640         from string_to_object_format in anonymous namespace.  Change
10641         callers.
10642         * options.h (class General_options): Declare
10643         string_to_object_format.
10644
10645 2009-06-22  Ian Lance Taylor  <iant@google.com>
10646
10647         * script-sections.cc (Script_sections::create_segments): Don't put
10648         program headers in a PT_LOAD segment if -n or -N.
10649
10650 2009-06-22  Ian Lance Taylor  <iant@google.com>
10651
10652         PR 10141
10653         * options.h (class General_options): Add -z lazy and -z now.  Sort
10654         -z options into alphabetical order.
10655         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10656
10657 2009-06-21  Ian Lance Taylor  <iant@google.com>
10658
10659         * layout.cc (Layout::make_output_section): Call
10660         Target::new_output_section.
10661         (Layout::attach_allocated_section_to_segment): Put large section
10662         sections in a separate load segment with the large segment flag
10663         set.
10664         (Layout::segment_precedes): Sort large data segments after other
10665         load segments.
10666         (align_file_offset): New static function.
10667         (Layout::set_segment_offsets): Use align_file_offset.
10668         * output.h (class Output_section): Add is_small_section_ and
10669         is_large_section_ fields.
10670         (Output_section::is_small_section): New function.
10671         (Output_section::set_is_small_section):  New function.
10672         (Output_section::is_large_section): New function.
10673         (Output_section::set_is_large_section): New function.
10674         (Output_section::is_large_data_section): New function.
10675         (class Output_segment): Add is_large_data_segment_ field.
10676         (Output_segment::is_large_data_segment): New function.
10677         (Output_segment::set_is_large_data_segment): New function.
10678         * output.cc (Output_section::Output_section): Initialize new
10679         fields.
10680         (Output_segment::Output_segment): Likewise.
10681         (Output_segment::add_output_section): Add assertion that large
10682         data sections always go in large data segments.  Force small data
10683         sections to the end of the list of data sections.  Force small BSS
10684         sections to the start of the list of BSS sections.  For large BSS
10685         sections to the end of the list of BSS sections.
10686         * symtab.h (class Symbol): Declare is_common_shndx.
10687         (Symbol::is_defined): Check Symbol::is_common_shndx.
10688         (Symbol::is_common): Likewise.
10689         (class Symbol_table): Define enum Commons_section_type.  Update
10690         declarations.  Add small_commons_ and large_commons_ fields.
10691         * symtab.cc (Symbol::is_common_shndx): New function.
10692         (Symbol_table::Symbol_table): Initialize new fields.
10693         (Symbol_table::add_from_object): Put small and large common
10694         symbols in the right list.
10695         (Symbol_table::sized_finalized_symbol): Check
10696         Symbol::is_common_shndx.
10697         (Symbol_table::sized_write_globals): Likewise.
10698         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10699         common symbol lists.  Don't call do_allocate_commons_list if the
10700         list is empty.
10701         (Symbol_table::do_allocate_commons_list): Remove is_tls
10702         parameter.  Add comons_section_type parameter.  Change all
10703         callers.  Handle small and large common symbols.
10704         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10705         Symbol::is_common_shndx.
10706         * resolve.cc (symbol_to_bits): Likewise.
10707         * target.h (Target::small_common_shndx): New function.
10708         (Target::small_common_section_flags): New function.
10709         (Target::large_common_shndx): New function.
10710         (Target::large_common_section_flags): New function.
10711         (Target::new_output_section): New function.
10712         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10713         small_common_section_flags, and large_common_section_flags
10714         fields.
10715         (Target::do_new_output_section): New virtual function.
10716         * arm.cc (Target_arm::arm_info): Initialize new fields.
10717         * i386.cc (Target_i386::i386_info): Likewise.
10718         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10719         Likewise.
10720         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10721         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10722         (Target_x86_64::do_new_output_section): New function.
10723         * configure.ac: Define conditional MCMODEL_MEDIUM.
10724         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10725         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10726         (large_LDFLAGS): Define.
10727         * testsuite/large.c: New file.
10728         * testsuite/testfile.cc (Target_test::test_target_info):
10729         Initialize new fields.
10730         * configure, testsuite/Makefile.in: Rebuild.
10731
10732 2009-06-05  Doug Kwan  <dougkwan@google.com>
10733
10734         * Makefile.am (CCFILES): Add target.cc.
10735         * Makefile.in: Regenerate.
10736         * i386.cc (class Target_i386): Define new virtual method to
10737         override do_is_local_label_name in parent.
10738         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10739         local symbols if --discard-locals or -X is given.
10740         * options.h (class General_options): Declare new options
10741         '--discard-locals' and '-X' for discarding locals.
10742         * target.h (class Target): Define new methods is_local_label_name.
10743         Declare new virtual method do_is_local_label_name.
10744         * target.cc: New file.
10745         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10746         (check_SCRIPTS): Add discard_locals_test.sh.
10747         (check_DATA): Add discard_local_tests.syms.
10748         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10749         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10750         * testsuite/Makefile.in: Regenerate.
10751         * testsuite/discard_locals_test.c: New file.
10752         * testsuite/discard_locals_test.sh: Same.
10753
10754 2009-06-05  Doug Kwan  <dougkwan@google.com>
10755
10756         * object.cc (Sized_relobj::Sized_relobj): Initialize
10757         discarded_eh_frame_shndx_ to -1U.
10758         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10759         section.
10760         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10761         a discarded .eh_frame section.
10762         (Sized_relobj::do_finalize_local_symbols): Ditto.
10763         * object.h (class Sized_relobj): Declare new member
10764         discarded_eh_frame_shndx_.
10765         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10766         (local_labels_test.o, local_labels_test): New rules.
10767         * testsuite/Makefile.in: Regenerate.
10768
10769 2009-06-04  Doug Kwan  <dougkwan@google.com>
10770
10771         * layout.cc (Layout::section_name_mapping): Add mapping for
10772         special ARM sections.
10773
10774 2009-06-03  Doug Kwan  <dougkwan@google.com>
10775
10776         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10777         (utils::has_overflow): Same.
10778
10779 2009-06-03  Ian Lance Taylor  <iant@google.com>
10780
10781         * layout.cc (Layout::section_name_mapping): New array, replacing
10782         Layout::linkonce_mapping.
10783         (Layout::section_name_mapping_count): New variable, replacing
10784         Layout::linkonce_mapping_count.
10785         (Layout::linkonce_output_name): Remove.
10786         (Layout::output_section_name): Rewrite.
10787         * layout.h (class Layout): Rename Linkonce_mapping to
10788         Section_name_mapping, linkonce_mapping to section_name_mapping,
10789         linkonce_mapping_count to section_name_mapping_count.  Don't
10790         declare linkonce_output_name.
10791
10792 2009-06-03  Doug Kwan  <dougkwan@google.com>
10793
10794         * gold/arm.cc (namespace utils): New.
10795         (Target_arm::reloc_is_non_pic): Define new method.
10796         (class Arm_relocate_functions): New.
10797         (Target_arm::Relocate::relocate): Handle relocation types used by
10798         Android.
10799
10800 2009-06-03  Ian Lance Taylor  <iant@google.com>
10801
10802         * arm.cc (Target_arm::scan::global): Use || instead of |.
10803
10804 2009-06-02  Doug Kwan  <dougkwan@google.com>
10805
10806         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10807         issued_non_pic_error_.
10808         (class Target_arm::Scan): Declare new method check_non_pic.
10809         Define new method symbol_needs_plt_entry.
10810         Declare new data member issued_non_pic_error_.
10811         (class Target_arm::Relocate): Declare new method
10812         should_apply_static_reloc.
10813         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10814         (Target_arm::Scan::check_non_pic): Define new method.
10815         (Target_arm::Scan::local): Handle a small subset of reloc types used
10816         by Android.
10817         (Target_arm::Scan::local): Same.
10818         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10819
10820 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10821
10822         * incremental.cc (Incremental_inputs::report_command_line): Filter
10823         out --incremental-* options.
10824
10825 2009-05-29  Doug Kwan  <dougkwan@google.com>
10826
10827         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10828         template class.
10829         (class Target_arm): Update comment.
10830         (Target_arm::Target_arm): Initialize new data members GOT_,
10831         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10832         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10833         and Target_arm::rel_dyn_section.
10834         Declare new_enum Target_arm::Got_type.
10835         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10836         and DYNBSS_.
10837         Update commments for member do_dynsym_value.
10838         (Target_arm::got_size, Target_arm::plt_section,
10839         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10840         new methods inside class defintion.
10841         (Target_arm::got_section): Define new method.
10842         (Target_arm::rel_dyn_section): Same.
10843         (Output_data_plt_arm): New template class.
10844         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10845         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10846         (Output_data_plt_arm::add_entry): Same.
10847         (Output_data_plt_arm::first_plt_entry): Define new
10848         static data member for PLT instruction template.
10849         (Output_data_plt_arm::plt_entry): Same.
10850         (Output_data_plt_arm::do_write): Define new method.
10851         (Target_arm::make_plt_entry): Same.
10852         (Target_arm::do_finalize_sections): Same.
10853         (Target_arm::do_dynsym_value): Same.
10854
10855 2009-05-28  Doug Kwan  <dougkwan@google.com>
10856
10857         * Makefile.am (TARGETSOURCES): Add arm.cc.
10858         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10859         * Makefile.in: Regenerate.
10860         * arm.cc: New file.
10861         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10862
10863 2009-05-26  Doug Kwan  <dougkwan@google.com>
10864
10865         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10866         (General_options::check_excluded_libs): Strip off directories in
10867         archive name before matching like GNU ld does.
10868         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10869         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10870         (exclude_libs_test_LDFLAGS): Add linker option
10871         -Wl,--exclude-libs,libexclude_libs_test_3
10872         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10873         an explicit archive without using -l.
10874         (alt/libexclude_libs_test_3.a): New make rule.
10875         * testsuite/Makefile.in: Regenerate.
10876         * testsuite/exclude_libs_test.c : Declare lib3_default().
10877         (main): Call it.
10878         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10879         * exclude_libs_test_3.c: New file.
10880
10881 2009-05-26  Nick Clifton  <nickc@redhat.com>
10882
10883         * po/id.po: New Indonesian translation.
10884         * po/gold.pot: Updated template file.
10885
10886 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10887
10888         * testsuite/Makefile.am: Add -ffunction-sections to compile
10889         gc_comdat_test files.  Add -Wl,--gc-sections to build
10890         gc_comdat_test.
10891         * testsuite/Makefile.in: Regenerate.
10892         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10893
10894 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10895
10896         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10897         kept comdat section was garbage collected.
10898         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10899         * testsuite/Makefile.in: Regenerate.
10900         * testsuite/gc_comdat_test.sh: New file.
10901         * testsuite/gc_comdat_test_1.cc: New file.
10902         * testsuite/gc_comdat_test_2.cc: New file.
10903
10904 2009-05-19  Doug Kwan  <dougkwan@google.com>
10905
10906         * archive.cc (Archive::Archive): Move constructor from archive.h
10907         to here.  Initialize no_export_.
10908         (Archive::get_elf_object_for_member): Set no_export flag of object.
10909         * archive.h (Archive::Archive): Move constructor body to
10910         archive.cc.
10911         (Archive::no_export): New method.
10912         (Archive::no_export_): New field.
10913         * object.h (Object::Object): Initialize no_export_ to false.
10914         (Object::no_export, Object::set_no_export): New methods.
10915         (Object::no_export_): New field.
10916         * options.cc (General_options::parse_exclude_libs): New method.
10917         (General_options::check_excluded_libs) Same.
10918         * options.h (exclude_libs): New option.
10919         (General_options::check_excluded_libs): New method declaration.
10920         (General_options::excluded_libs_): New field.
10921         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10922         default or protected visibility if an object has no-export flag set.
10923         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10924         (check_SCRIPTS): Add exclude_libs_test.sh.
10925         (check_DATA): Add exclude_libs_test.syms.
10926         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10927         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10928         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10929         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10930         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10931         libexclude_libs_test_2.a): New rules.
10932         * testsuite/Makefile.in: Regenerate.
10933         * testsuite/exclude_libs_test.c: New file.
10934         * testsuite/exclude_libs_test.sh: Ditto.
10935         * testsuite/exclude_libs_test_1.c: Ditto.
10936         * testsuite/exclude_libs_test_2.c: Ditto.
10937
10938 2009-05-15  Ian Lance Taylor  <iant@google.com>
10939
10940         * configure.ac: Check for declarations for cases where libiberty.h
10941         checks HAVE_DECL_xxx.
10942         * configure, config.in: Rebuild.
10943
10944 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10945
10946         * gold.h (Incremental_argument_list): Remove (invalid) forward
10947         declaration.
10948         * incremental.cc (Incremental_inputs::report_achive): New method.
10949         (Incremental_inputs::report_object): New method.
10950         (Incremental_inputs::report_script): New method.
10951         (Incremental_inputs::finalize_inputs): New method.
10952         (Incremental_inputs::finalize): Call finalize_inputs().
10953         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10954         Create inputs entries.
10955         * incremental.h (Incremental_input_type): New enum.
10956         (Incremental_inputs::Incremental_input): Initialize new fields.
10957         (Incremental_inputs::report_inputs): New method.
10958         (Incremental_inputs::report_achive): New method.
10959         (Incremental_inputs::report_object): New method.
10960         (Incremental_inputs::report_script): New method.
10961         (Incremental_inputs::finalize_inputs): New method.
10962         (Incremental_inputs::Input_info): New struct.
10963         (Incremental_inputs::Input_info_map): New typedef.
10964         (Incremental_inputs::lock_): New field.
10965         (Incremental_inputs::Inputs_): New field.
10966         (Incremental_inputs::Inputs_map): New field.
10967         * main.cc (main): Call Incremental_input::report_inputs.
10968         * options.h (Input_argument_list): Typedef moved from
10969         Input_arguments.
10970         (Input_file_group::Files): Remove, use ::Input_argument_list.
10971         (Input_file_group::Input_argument_list): Remove, use
10972         ::Input_argument_list.
10973         * plugin.cc (Plugin_manager::add_input_file): Add error in
10974         incremental build.
10975         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10976         functions.
10977         * script.cc (read_input_script): Call
10978         Incremental_input::report_script.
10979         * script.h (Script_info): New class.
10980
10981 2009-04-27  Ian Lance Taylor  <iant@google.com>
10982
10983         * x86_64.cc (do_adjust_output_section): Set entsize to
10984         plt_entry_size.
10985
10986 2009-04-23  Elliott Hughes  <enh@google.com>
10987
10988         * output.cc (Output_file::close): After short writes, continue
10989         writing from the correct offset in the buffer being written.
10990
10991 2009-04-23  Chris Demetriou  <cgd@google.com>
10992
10993         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10994         * configure: Regenerate.
10995         * config.in: Regenerate.
10996         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10997         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10998
10999 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11000
11001         * incremental.cc (Incremental_inputs_header_data): Renamed from
11002         Incremental_input_header_data.
11003         (Incremental_inputs_header_data::data_size): New field.
11004         (Incremental_inputs_header_data::put_input_file_count): Renamed
11005         from input_file_count.
11006         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11007         from command_line_offset.
11008         (Incremental_inputs_header_data::put_reserved): Renamed from
11009         put_reserved.
11010         (Incremental_inputs_entry_data): Renamed from
11011         Incremental_input_entry_data.
11012         (Incremental_inputs_entry_data::data_size): New field.
11013         (Incremental_inputs::report_command_line): New method.
11014         (Incremental_inputs::finalize): New method.
11015         (Incremental_inputs::create_incremental_inputs_data): New method.
11016         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11017         * incremental.h: New file.
11018         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11019         (Layout::finalize): Create incremental inputs section in
11020         incremental builds.
11021         (Layout::create_incremental_info_sections): New method.
11022         * layout.h (Layout::incremental_inputs): New method.
11023         (Layout::create_incremental_info_sections): New method.
11024         (Layout::incremental_inputs_): New field.
11025         * main.cc (main): Notify Incremental_input of the command line.
11026
11027 2009-04-01  Ian Lance Taylor  <iant@google.com>
11028             Mikolaj Zalewski  <mikolajz@google.com>
11029
11030         * gold.h (reserve_unordered_map): Define, three versions, one for
11031         each version of Unordered_map.
11032         * layout.cc (Layout::Layout): Remove options parameter.  Add
11033         number_of_input_files parameter.  Don't initialize options_.
11034         Initialize number_of_input_files_ and resized_signatures_.  Move
11035         sections_are_attached_.
11036         (Layout::layout_group): Reserve space for group_signatures_.
11037         (Layout::find_or_add_kept_section): Change name parameter to be a
11038         reference.  Resize signatures_ map when it gets large enough.
11039         (Layout::layout_eh_frame): Use parameters->options() instead of
11040         this->options_.
11041         (Layout::make_output_section): Likewise.
11042         (Layout::attach_allocated_section_to_segment): Likewise.
11043         (Layout::finalize, Layout::create_executable_stack): Likewise.
11044         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11045         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11046         * layout.h (class Layout): Update declarations.  Remove options_
11047         field.  Add number_of_input_files_ and resized_signatures_
11048         fields.  Move sections_are_attached_ field.
11049         * main.cc (main): Pass number of input files to Layout
11050         constructor.  Don't pass options.
11051
11052 2009-03-30  Ian Lance Taylor  <iant@google.com>
11053
11054         * ffsll.c (ffsll): Correct implementation.
11055
11056 2009-03-27  Ian Lance Taylor  <iant@google.com>
11057
11058         * ffsll.c: New file.
11059         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11060         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11061         * ftruncate.c (ftruncate): Declare before definition.
11062         * mremap.c (mremap): Likewise.
11063         * pread.c (pread): Likewise.
11064         * configure, Makefile.in, config.in: Rebuild.
11065
11066         * mremap.c: New file.
11067         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11068         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11069         (mremap): Declare if HAVE_MREMAP is not defined.
11070         * configure, Makefile.in, config.in: Rebuild.
11071
11072 2009-03-27  Cary Coutant  <ccoutant@google.com>
11073
11074         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11075         position independent.
11076         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11077         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11078
11079 2009-03-24  Cary Coutant  <ccoutant@google.com>
11080
11081         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11082         an executable.
11083         (needs_dynamic_reloc): Likewise.
11084
11085 2009-03-24  Ian Lance Taylor  <iant@google.com>
11086
11087         * yyscript.y (file_cmd): Recognize EXTERN.
11088         (extern_name_list, extern_name_list_body): New nonterminals.
11089         * script.cc (script_add_extern): Define.
11090         * script-c.h (script_add_extern): Declare.
11091
11092 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11093
11094         * object.cc (is_elf_object): Define.
11095         * object.h (is_elf_object): Declare.
11096         * archive.cc (Archive::get_elf_object_for_member): Call
11097         is_elf_object.
11098         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11099
11100 2009-03-24  Elliott Hughes  <enh@google.com>
11101
11102         * output.cc (Output_file::map_anonymous): Define.
11103         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11104         try an anonymous one.  Report the size if the mmap fails.
11105         * output.h (class Output_file): Declare map_anonymous.
11106
11107 2009-03-24  Ian Lance Taylor  <iant@google.com>
11108
11109         * target-select.cc (instantiate_target): Don't acquire the lock if
11110         the instantiated_target_ field has already been set.
11111
11112 2009-03-23  Ian Lance Taylor  <iant@google.com>
11113
11114         * gold-threads.h (class Initialize_lock): Define.
11115         * gold-threads.cc (class Initialize_lock_once): Define.
11116         (initialize_lock_control): New static variable.
11117         (initialize_lock_pointer): New static variable.
11118         (initialize_lock_once): New static function.
11119         (Initialize_lock::Initialize_lock): Define.
11120         (Initialize_lock::initialize): Define.
11121         * target-select.h: Include "gold-threads.h".
11122         (class Target_selector): Add lock_ and initialize_lock_ fields.
11123         Don't define instantiate_target, just declare it.
11124         * target-select.cc (Target_selector::Target_selector): Initialize
11125         new fields.
11126         (Target_selector::instantiate_target): Define.
11127         * descriptors.h: Include "gold-threads.h".
11128         (class Descriptors): Add initialize_lock_ field.
11129         * descriptors.cc (Descriptors::Descriptors): Initialize new
11130         field.
11131         (Descriptors::open): Use initialize_lock_ field
11132         * errors.h (class Errors): Add initialize_lock_ field.
11133         * errors.cc (Errors::Errors): Initialize new field.
11134         (Errors::initialize_lock): Use initialize_lock_ field.
11135         * powerpc.cc (class Target_selector_powerpc): Remove
11136         instantiated_target_ field.  In do_recognize call
11137         instantiate_target rather than do_instantiate_target.  In
11138         do_instantiate_target just allocate a new target.
11139         * sparc.cc (class Target_selector_sparc): Likewise.
11140
11141         * freebsd.h: New file.
11142         * i386.cc: Include "freebsd.h".
11143         (Target_i386): Derive from Target_freebsd rather than
11144         Sized_target.
11145         (Target_selector_i386): Derive from Target_selector_freebsd rather
11146         than Target_selector.
11147         * x86_64.cc: Include "freebsd.h".
11148         (Target_x86_64): Derive from Target_freebsd rather than
11149         Sized_target.
11150         (Target_selector_x86_64): Derive from Target_selector_freebsd
11151         rather than Target_selector.
11152         * target.h (class Target): Add adjust_elf_header and
11153         do_adjust_elf_header.
11154         * output.cc (Output_file_header:: do_sized_write): Call target
11155         adjust_elf_header routine.
11156         * configure.tgt: Set targ_osabi.
11157         * configure.ac: Define GOLD_DEFAULT_OSABI.
11158         * parameters.cc (Parameters::default_target): Pass
11159         GOLD_DEFAULT_OSABI to select_target.
11160         * target-select.h (class Target_selector): Make instantiate_target
11161         protected rather than private.
11162         * Makefile.am (HFILES): Add freebsd.h.
11163         * configure, Makefile.in, config.in: Rebuild.
11164
11165         * merge.cc (do_add_input_section): Correct pend value.  Change
11166         message about last entry not being null terminated from error to
11167         warning.
11168
11169 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11170
11171         * incremental.cc: New file.
11172         * Makefile.am (CCFILES): Add incremental.cc.
11173         * Makefile.in: Rebuild.
11174
11175 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11176
11177         * layout.cc (Layout::output_section_name): Preserve names
11178         of '.note.' sections.
11179
11180 2009-03-19  Ian Lance Taylor  <iant@google.com>
11181
11182         * descriptors.cc (Descriptors::open): Check that the options are
11183         valid before using them.
11184
11185 2009-03-18  Ian Lance Taylor  <iant@google.com>
11186
11187         * script-sections.h: Include <list>.
11188         (class Script_sections): Change Sections_elements from std::vector
11189         to std::list.  Typedef public Elements_iterator.  Add
11190         orphan_section_placement_, data_segment_align_start_, and
11191         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11192         field.
11193         * script-sections.cc (class Orphan_section_placement): New class.
11194         (class Sections_element): Add virtual functions is_relro and
11195         orphan_section_init.  Remove virtual function place_orphan_here.
11196         (class Output_section_definition): Add is_relro and
11197         orphan_section_init.  Remove place_orphan_here.
11198         (class Orphan_output_section): Likewise.
11199         (Script_sections::Script_sections): Update for field changes.
11200         (Script_sections::data_segment_align): Set saw_data_segment_align_
11201         and data_segment_align_start_, not data_segment_align_index.
11202         (Script_sections::data_segment_relro_end): Check
11203         saw_data_segment_align_.  Use data_segment_align_start_ rather
11204         than data_segment_align_index_.
11205         (Script_sections::place_orphan): Rewrite to use
11206         Orphan_section_placement.
11207
11208 2009-03-17  Ian Lance Taylor  <iant@google.com>
11209
11210         * archive.cc (Archive::add_symbols): Check for a version attached
11211         to the symbol name in the archive map.
11212         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11213         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11214         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11215         (ver_test_11.a): New target.
11216         * testsuite/Makefile.in: Rebuild.
11217
11218         * configure.ac: Check for chsize and posix_fallocate.  Replace
11219         ftruncate.
11220         * ftruncate.c: New file, from gnulib.
11221         * output.cc (posix_fallocate): Define dummy version if not
11222         HAVE_POSIX_FALLOCATE.
11223         (Output_file::map): Call posix_fallocate rather than lseek and
11224         write.
11225         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11226         * configure, Makefile.in, config.in: Rebuild.
11227
11228 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11229
11230         * layout.h (Layout::create_note): Add section_name parameter.
11231         * layout.cc (Layout::create_note): Likewise.
11232         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11233
11234 2009-03-17  Ian Lance Taylor  <iant@google.com>
11235
11236         * descriptors.cc: Include "options.h".
11237         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11238         (Descriptors::open): Always use O_CLOEXEC when opening a new
11239         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11240         then set FD_CLOEXEC.
11241
11242         * sparc.cc (class Target_sparc): Add has_got_section.
11243         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11244         make sure we have a GOT section.
11245
11246         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11247         (Target_sparc::Scan::local): Likewise.
11248         (Target_sparc::Scan::global): Likewise.
11249         (Target_sparc::Relocate::relocate): Likewise.
11250         (Target_sparc::Relocate::relocate_tls): Likewise.
11251
11252         * symtab.cc (Symbol_table::define_default_version): New function,
11253         broken out of add_from_object.
11254         (Symbol_table::add_from_object): Call define_default_version.
11255         (Symbol_table::define_special_symbol): Add resolve_oldsym
11256         parameter.  Change all callers.  If the version for a symbol comes
11257         from a version script, resolve it with the symbol with the same
11258         name with no version.  Also add the symbol without a version if
11259         appropriate.
11260         (do_define_in_output_data): If resolving with oldsym, don't delete
11261         sym.
11262         (do_define_in_output_segment): Likewise.
11263         (do_define_as_constant): Likewise.
11264         * symtab.h (class Symbol_table): Update declarations.
11265
11266 2009-03-13  Ian Lance Taylor  <iant@google.com>
11267
11268         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11269         (Read_symbols::requeue): New function.
11270         (Read_symbols::do_read_symbols): If make_elf_object fails because
11271         the target type is not configured, and the file was searched for,
11272         issue a warning and retry with the next directory.
11273         (Add_symbols::run): If the file has an incompatible format, and
11274         it was searched for, requeue the Read_symbols task.  On error,
11275         release the object.
11276         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11277         dirindex parameter to constructor.  Change all callers.  Declare
11278         incompatible_warning and requeue.
11279         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11280         input_argument_ and input_group_ fields.  Add them to
11281         constructor.  Change all callers.
11282         (class Read_script): Add dirindex_ field.  Add it to constructor.
11283         Change all callers.
11284         * archive.cc (Archive::setup): Remove input_objects parameter.
11285         Change all callers.
11286         (Archive::get_file_and_offset): Likewise.
11287         (Archive::read_all_symbols): Likewise.
11288         (Archive::read_symbols): Likewise.
11289         (Archive::get_elf_object_for_member): Remove input_objects
11290         parameter.  Add punconfigured parameter.  Change all callers.
11291         (Archive::add_symbols): Change return type to bool.  Check return
11292         value of include_member.
11293         (Archive::include_all_members): Likewise.
11294         (Archive::include_member): Change return type to bool.  Return
11295         false if first included object has incompatible target.  Set
11296         included_member_ field.
11297         (Add_archive_symbols::run): If add_symbols returns false, requeue
11298         Read_symbols task.
11299         * archive.h (class Archive): Add included_member_ field.
11300         Initialize it in constructor.  Add input_file and searched_for
11301         methods.  Update declarations.
11302         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11303         input_argument_ fields.  Add them to constructor.  Change all
11304         callers.
11305         * script.cc: Include "target-select.h".
11306         (class Parser_closure): Add skip_on_incompatible_target_ and
11307         found_incompatible_target_ fields.  Add
11308         skip_on_incompatible_target parameter to constructor.  Change all
11309         callers.  Add methods skip_on_incompatible_target,
11310         clear_skip_on_incompatible_target, found_incompatible_target, and
11311         set_found_incompatible_target.
11312         (read_input_script): Add dirindex parameter.  Change all callers.
11313         If parser finds an incompatible target, requeue Read_symbols
11314         task.
11315         (script_set_symbol): Clear skip_on_incompatible_target in
11316         closure.
11317         (script_add_assertion, script_parse_option): Likewise.
11318         (script_start_sections, script_add_phdr): Likewise.
11319         (script_check_output_format): New function.
11320         * script.h (read_input_script): Update declaration.
11321         * script-c.h (script_check_output_format): Declare.
11322         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11323         (ignore_cmd): Remove OUTPUT_FORMAT.
11324         * fileread.cc (Input_file::Input_file): Add explicit this.
11325         (Input_file::will_search_for): New function.
11326         (Input_file::open): Add pindex parameter.  Change all callers.
11327         * fileread.h (class Input_file): Add input_file_argument method.
11328         Declare will_search_for.  Update declarations.
11329         * object.cc (make_elf_object): Add punconfigured parameter.
11330         Change all callers.
11331         * object.h (class Object): Make input_file public.  Add
11332         searched_for method.
11333         (make_elf_object): Update declaration.
11334         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11335         restart search.
11336         * dirsearch.h (class Dirsearch): Update declaration.
11337         * options.h (class General_options): Add --warn-search-mismatch.
11338         * parameters.cc (Parameters::is_compatible_target): New function.
11339         * parameters.h (class Parameters): Declare is_compatible_target.
11340         * workqueue.cc (Workqueue::add_blocker): New function.
11341         * workqueue.h (class Workqueue): Declare add_blocker.
11342
11343         * fileread.cc (Input_file::open): Remove options parameter.
11344         Change all callers.
11345         (Input_file::open_binary): Likewise.
11346         * script.cc (read_input_script): Likewise.
11347         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11348         options parameter from constructor.  Change all callers.
11349         (class Read_script): Likewise.
11350         * fileread.h (class Input_file): Update declarations.
11351         * script.h (read_input_script): Update declaration.
11352
11353 2009-03-10  Nick Clifton  <nickc@redhat.com>
11354
11355         * po/es.po: New Spanish translation.
11356
11357 2009-03-06  Cary Coutant  <ccoutant@google.com>
11358
11359         * options.cc (parse_short_option): Keep dash_z from registering itself.
11360
11361 2009-03-03  Ian Lance Taylor  <iant@google.com>
11362
11363         PR 9918
11364         * target-reloc.h (relocate_section): Pass output_section to
11365         relocate.
11366         * i386.cc (Target_i386::should_apply_static_reloc): Add
11367         output_section parameter.  Change all callers.
11368         (Target_i386::Relocate::relocate): Add output_section parameter.
11369         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11370         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11371         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11372         * testsuite/two_file_shared.sh: New script.
11373         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11374         (check_DATA): Add two_file_shared.dbg.
11375         (two_file_shared.dbg): New target.
11376         * testsuite/Makefile.in: Rebuild.
11377
11378 2009-03-01  Ian Lance Taylor  <iant@google.com>
11379
11380         * configure.ac: Check for byteswap.h.
11381         * configure: Rebuild.
11382         * config.in: Rebuild.
11383
11384 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11385
11386         * layout.cc (Layout::find_or_add_kept_section): New function.
11387         (Layout::add_comdat): Removed.
11388         * layout.h (struct Kept_section): Move out of class Layout.
11389         Remove trailing underscores from field names.  Add group_sections
11390         field.  Rename group_ field to is_group.  Change all uses.
11391         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11392         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11393         comdat_groups_ field.
11394         (Sized_relobj::include_section_group): Use
11395         find_or_add_kept_section and Kept_section::group_sections.
11396         (Sized_relobj::include_linkonce_section): Likewise.
11397         * object.cc (class Sized_relobj): Don't define Comdat_group or
11398         Comdat_group_table.  Remove find_comdat_group and
11399         add_comdat_group.  Remove comdat_groups_ field.
11400         * plugin.cc (include_comdat_group): Use
11401         Layout::find_or_add_kept_section.
11402
11403 2009-02-28  Ian Lance Taylor  <iant@google.com>
11404
11405         * README: --gc-sections and map files are now supported.  Document
11406         some build requirements.
11407
11408         PR 6992
11409         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11410         relocatable link set the value of the section symbol to zero.
11411         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11412         relocatable link don't include the section address in the local
11413         symbol value.
11414
11415 2009-02-27  Ian Lance Taylor  <iant@google.com>
11416
11417         PR 6811
11418         * options.h (class Search_directory): Add is_system_directory.
11419         (class General_options): Declare is_in_system_directory.
11420         * options.cc (get_relative_sysroot): Make static.
11421         (get_default_sysroot): Make static.
11422         (General_optoins::is_in_system_directory): New function.
11423         * fileread.cc (Input_file::is_in_system_directory): New function.
11424         * fileread.h (class Input_file): Declare is_in_system_directory.
11425         * object.h (class Object): Add is_in_system_directory.
11426         (class Input_objects): Remove system_library_directory_ field.
11427         * object.cc (Input_objects::add_object): Don't set
11428         system_library_directory_.
11429         (input_objects::found_in_system_library_directory): Remove.
11430         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11431         parameter.  Change all callers.
11432         (Symbol_table::sized_write_globals): Likewise.
11433         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11434         Call Object::is_in_system_directory.
11435         * symtab.h (class Symbol_table): Update declarations.
11436
11437         PR 5990
11438         * descriptors.h (Open_descriptor): Add is_on_stack field.
11439         * descriptors.cc (Descriptors::open): If the descriptor is on the
11440         top of the stack, remove it.  Initialize is_on_stack field.
11441         (Descriptors::release): Only add pod to stack if it is not on the
11442         stack already.
11443         (Descriptors::close_some_descriptor): Clear stack_next and
11444         is_on_stack fields.
11445
11446         PR 7091
11447         * output.cc (Output_section::find_starting_output_address): Rename
11448         from starting_output_address; add PADDR parameter; change return
11449         type.
11450         * output.h (class Output_section): Declare
11451         find_starting_output_address instead of starting_output_address.
11452         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11453         section symbol for which we can't find a merge section.
11454
11455         PR 9836
11456         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11457         hidden or internal, force the symbol to be local.
11458         * resolve.cc (Symbol::override_visibility): Define.
11459         (Symbol::override_base): Use override_visibility.
11460         (Symbol_table::resolve): Likewise.
11461         (Symbol::override_base_with_special): Likewise.
11462         (Symbol_table::override_with_special): If the visibility is hidden
11463         or internal, force the symbol to be local.
11464         * symtab.h (class Symbol): Add set_visibility and
11465         override_visibility.
11466         * testsuite/ver_test_1.sh: New file.
11467         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11468         (check_DATA): Add ver_test_1.syms.
11469         (ver_test_1.syms): New target.
11470         * testsuite/Makefile.in: Rebuild.
11471
11472 2009-02-25  Cary Coutant  <ccoutant@google.com>
11473
11474         * layout.cc (Layout::choose_output_section): Don't rename sections
11475         when using a linker script that has a SECTIONS clause.
11476         * Makefile.in: Regenerate.
11477
11478         * testsuite/Makefile.am (script_test_5.sh): New test case.
11479         * testsuite/Makefile.in: Regenerate.
11480         * testsuite/script_test_5.cc: New file.
11481         * testsuite/script_test_5.sh: New file.
11482         * testsuite/script_test_5.t: New file.
11483
11484 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11485
11486         * archive.cc (Archive::include_member): Update calls to add_symbols.
11487         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11488         the Layout argument.
11489         * dynobj.h (do_add_symbols): Add the Layout argument.
11490         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11491         Layout argument.
11492         * object.h (Object::add_symbols): Add the Layout argument.
11493         (Object::do_add_symbols): Add the Layout argument.
11494         (Sized_relobj::do_add_symbols): Add the Layout argument.
11495         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11496         Unify the two versions.
11497         (Add_plugin_symbols): Remove.
11498         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11499         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11500         (Add_plugin_symbols): Remove.
11501         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11502         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11503         (Add_symbols::run): Make it work with Pulginobj.
11504
11505 2009-02-06  Ian Lance Taylor  <iant@google.com>
11506
11507         * object.cc (Sized_relobj::do_layout): Make info message start
11508         with lower case letter.
11509
11510 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11511
11512         * binary.cc: Fix file comment.
11513
11514         * options.h (enum Incremental_disposition): Define.
11515         (class General_options): Add new options: --incremental,
11516         --incremental_changed, --incremental_unchanged,
11517         --incremental_unknown.  Add incremental_disposition_ and
11518         implicit_incremental_ fields.
11519         (General_options::incremental_disposition): New function.
11520         (class Position_dependent_options): Add incremental_disposition
11521         option.
11522         (Position_dependent_options::copy_from_options): Set incremental
11523         dispositions.
11524         * options.cc (General_options::parse_incremental_changed): New
11525         function.
11526         (General_options::parse_incremental_unchanged): New function.
11527         (General_options::parse_incremental_unknown): New function.
11528         (General_options::General_options): Initialize new fields
11529         incremental_disposition_ and implicit_incremental_.
11530         (General_options::finalize): Check for uasge of --incremental-*
11531         without --incremental.
11532
11533 2009-02-06  Chris Demetriou  <cgd@google.com>
11534
11535         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11536         pointer and to report location as the file name associated with
11537         the symbol.
11538         (gold_undefined_symbol_at_location): New function to replace the
11539         old gold_undefined_symbol functionality.
11540         * target-reloc.h (relocate_section): Update to use
11541         gold_undefined_symbol_at_location.
11542         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11543         Call gold_undefined_symbol function rather than gold_error.
11544         * errors.h (Errors::undefined_symbol): Take location as a
11545         string, rather than calculating it from a relocation.
11546         * errors.cc (Errors::fatal): Print "fatal error:" before the
11547         formatted message.
11548         (Errors::error, Errors::error_at_location): Print "error: "
11549         before the formatted message.
11550         (Errors::undefined_symbol): Take location as a string, rather
11551         than calculating it from a relocation.
11552         (gold_undefined_symbol_at_location): New function akin to
11553         old gold_undefined_symbol, calculates location from relocation.
11554         (gold_undefined_symbol): Change to take only a Symbol pointer
11555         and to report location as the file name associated with the symbol.
11556         * testsuite/debug_msg.sh: Update for changed error messages.
11557         * testsuite/undef_symbol.sh: Likewise.
11558
11559 2009-02-04  Duncan Sands  <baldrick@free.fr>
11560
11561         PR 9812
11562         * reduced_debug_output.h
11563         (Output_reduced_debug_abbrev_section::failed): Use format for
11564         gold_warning.
11565         (Output_reduced_debug_info_section::faild): Likewise.
11566
11567 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11568
11569         * script.cc (Lazy_demangler): New class.
11570         (Version_script_info::get_symbol_version_helper): Demangle a
11571         symbol only once.
11572
11573 2009-01-29  Cary Coutant  <ccoutant@google.com>
11574
11575         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11576         to __tls_get_addr.
11577         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11578
11579 2009-01-28  Ian Lance Taylor  <iant@google.com>
11580
11581         * version.cc (version_string): Bump to 1.9.
11582
11583         * gold.h: Include <cstring> and <stdint.h>.
11584         * version.cc: Include <cstdio>.
11585         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11586         warning.
11587         * reduced_debug_output.cc (insert_into_vector): Rename from
11588         Insert_into_vector; change all callers.  Use Swap_unaligned to
11589         avoid aliasing issue; remove union since it is unnecessary.
11590
11591 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11592
11593         * Makefile.am (CCFILES): Add gc.cc.
11594         (HFILES): Add gc.h.
11595         * Makefile.in: Regenerate.
11596         * gold.cc (Gc_runner): New class.
11597         (queue_initial_tasks): Call garbage collection related tasks
11598         when corresponding options are invoked.
11599         (queue_middle_gc_tasks): New function.
11600         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11601         processed early before laying out sections during garbage collection.
11602         * gold.h (queue_middle_gc_tasks): New function.
11603         (is_prefix_of): Move from "layout.cc".
11604         * i386.cc (Target_i386::gc_process_relocs): New function.
11605         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11606         * main.cc (main): Create object of class "Garbage_collection".
11607         * object.cc (Relobj::copy_symbols_data): New function.
11608         (Relobj::is_section_name_included): New function.
11609         (Sized_relobj::do_layout): Allow this function to be called twice
11610         during garbage collection and defer layout of section during the
11611         first call.
11612         * object.h (Relobj::get_symbols_data): New function.
11613         (Relobj::is_section_name_included): New function.
11614         (Relobj::copy_symbols_data): New function.
11615         (Relobj::set_symbols_data): New function.
11616         (Relobj::get_relocs_data): New function.
11617         (Relobj::set_relocs_data): New function.
11618         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11619         (Relobj::gc_process_relocs): New function.
11620         (Relobj::do_gc_process_relocs): New pure virtual function.
11621         (Relobj::sd_): New data member.
11622         (Sized_relobj::is_output_section_offset_invalid): New function.
11623         (Sized_relobj::do_gc_process_relocs): New function.
11624         * options.h (General_options::gc_sections): Modify to not be a no-op.
11625         (General_options::print_gc_sections): New option.
11626         * plugin.cc (Plugin_finish::run): Remove function call to
11627         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11628         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11629         * reloc.cc (Read_relocs::run): Add task to process relocs and
11630         determine unreferenced sections when doing garbage collection.
11631         (Gc_process_relocs): New class.
11632         (Sized_relobj::do_gc_process_relocs): New function.
11633         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11634         sections that are garbage collected.
11635         * reloc.h (Gc_process_relocs): New class.
11636         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11637         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11638         symbols whose corresponding sections are garbage collected.
11639         (Symbol_table::Symbol_table): Add new parameter for the garbage
11640         collection object.
11641         (Symbol_table::gc_mark_undef_symbols): New function.
11642         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11643         (Symbol_table::gc_mark_dyn_syms): New function.
11644         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11645         as garbage.
11646         (Symbol_table::add_from_object): Likewise.
11647         (Symbol_table::add_from_relobj): When building shared objects, do not
11648         treat externally visible symbols as garbage.
11649         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11650         table information for static and relocatable links.
11651         * symtab.h (Symbol_table::set_gc): New function.
11652         (Symbol_table::gc): New function.
11653         (Symbol_table::gc_mark_undef_symbols): New function.
11654         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11655         (Symbol_table::gc_mark_dyn_syms): New function.
11656         (Symbol_table::gc_): New data member.
11657         * target.h (Sized_target::gc_process_relocs): New pure virtual
11658         function.
11659         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11660         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11661
11662 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11663
11664         * options.h (General_options::gc_sections): Define as a no-op for now.
11665         (General_options::no_keep_memory): Ditto.
11666         (General_options::Bshareable): Define.
11667         * options.cc (General_options::finalize): Honor -Bshareable.
11668
11669 2009-01-20  Andreas Schwab  <schwab@suse.de>
11670
11671         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11672         read the value in the contents, since we don't use it.  Use the
11673         template endianness when writing.
11674         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11675
11676 2009-01-19  Andreas Schwab  <schwab@suse.de>
11677
11678         * configure.tgt (powerpc64-*): Fix targ_obj.
11679
11680 2009-01-15  Ian Lance Taylor  <iant@google.com>
11681
11682         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11683         local symbols when stripping all symbols.
11684
11685 2009-01-14  Cary Coutant  <ccoutant@google.com>
11686
11687         * output.cc (Output_reloc): Add explicit instantiations.
11688
11689 2009-01-14  Cary Coutant  <ccoutant@google.com>
11690
11691         * archive.cc (Archive::get_elf_object_for_member): Remove call
11692         to File_read::claim_for_plugin.
11693         * descriptors.cc (Descriptors::open): Remove reference to
11694         is_claimed.
11695         (Descriptors::claim_for_plugin): Remove.
11696         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11697         (Descriptors::is_claimed): Remove.
11698         (claim_descriptor_for_plugin): Remove.
11699         * fileread.cc (File_read::claim_for_plugin): Remove.
11700         * fileread.h (File_read::claim_for_plugin): Remove.
11701         (File_read::descriptor): Reopen descriptor if necessary.
11702         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11703         (Plugin_manager::all_symbols_read): Add task parameter. Change
11704         all callers.
11705         (Plugin_manager::get_input_file): New function.
11706         (Plugin_manager::release_input_file): New function.
11707         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11708         corresponding data member.
11709         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11710         and pass to base constructor. Change all callers.
11711         (get_input_file, release_input_file): New functions.
11712         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11713         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11714         (Plugin_manager::all_symbols_read): Add task parameter.
11715         (Plugin_manager::get_input_file): New function.
11716         (Plugin_manager::release_input_file): New function.
11717         (Plugin_manager::task_): New data member.
11718         (Pluginobj::Pluginobj): Add filesize parameter.
11719         (Pluginobj::filename): New function.
11720         (Pluginobj::descriptor): New function.
11721         (Pluginobj::filesize): New function.
11722         (Pluginobj::filesize_): New data member.
11723         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11724         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11725         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11726
11727         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11728         with archive libraries.
11729         * testsuite/Makefile.in: Regenerate.
11730         * testsuite/plugin_test.c (struct sym_info): New type.
11731         (get_input_file, release_input_file): New static variables.
11732         (onload): Capture new transfer vector entries.
11733         (claim_file_hook): Stop reading at end of file according to filesize.
11734         Factor out parsing of readelf output into separate function.
11735         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11736         APIs and get the source file name from the symbol table.  Convert
11737         source file name to corresponding object file name.  Print info
11738         message when adding new input files.
11739         (parse_readelf_line): New function.
11740         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11741         * testsuite/plugin_test_2.sh: Likewise.
11742         * testsuite/plugin_test_3.sh: Likewise.
11743         * testsuite/plugin_test_4.sh: New test case.
11744
11745 2009-01-07  Ian Lance Taylor  <iant@google.com>
11746
11747         * version.cc (version_string): Bump to 1.8.
11748
11749 2008-12-23  Cary Coutant  <ccoutant@google.com>
11750
11751         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11752         * plugin.cc (Plugin_manager::finish): Rename as
11753         layout_deferred_objects.  Move cleanup to separate function.
11754         (Plugin_manager::cleanup): New function.
11755         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11756         separately.
11757         * plugin.h (Plugin_manager::finish): Rename as
11758         layout_deferred_objects.
11759         (Plugin_manager::cleanup): New function.
11760         (Plugin_manager::cleanup_done): New field.
11761
11762 2008-12-23  Cary Coutant  <ccoutant@google.com>
11763
11764         * plugin.cc (is_visible_from_outside): New function.
11765         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11766         so we don't return "IR only" status for exported symbols or -r links.
11767
11768         * testsuite/Makefile.am (plugin_test_3): New test case.
11769         * testsuite/Makefile.in: Regenerate.
11770         * testsuite/plugin_test_3.sh: New file.
11771
11772 2008-12-22  Cary Coutant  <ccoutant@google.com>
11773
11774         * object.cc (Sized_relobj::layout_section): New function.
11775         (Sized_relobj::do_layout): Defer layout of input sections until after
11776         plugin has provided replacement files.
11777         (Sized_relobj::do_layout_deferred_sections): New function.
11778         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11779         (Relobj::layout_deferred_sections): New function.
11780         (Relobj::do_layout_deferred_sections): New function.
11781         (Sized_relobj::do_layout_deferred_sections): New function.
11782         (Sized_relobj::layout_section): New function.
11783         (Sized_relobj::Deferred_layout): New structure.
11784         (Sized_relobj::deferred_layout_): New field.
11785         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11786         Change all callers.  Layout deferred sections.
11787         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11788         references.
11789         (Plugin_hook::run): Move code from do_plugin_hook inline.
11790         (Plugin_hook::do_plugin_hook): Remove.
11791         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11792         (Plugin_manager::finish): Renamed, was cleanup.
11793         (Plugin_manager::should_defer_layout): New function.
11794         (Plugin_manager::add_deferred_layout_object): New function.
11795         (Plugin_manager::Deferred_layout_list): New type.
11796         (Plugin_manager::deferred_layout_objects_): New field.
11797         (Plugin_hook::do_plugin_hook): Remove.
11798
11799 2008-12-17  Ian Lance Taylor  <iant@google.com>
11800
11801         * options.h (class General_options): Add --no case for
11802         --export-dynamic.
11803
11804 2008-12-16  Cary Coutant  <ccoutant@google.com>
11805
11806         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11807         vector.
11808         (Plugin_manager::claim_file): Create plugin object even if
11809         plugin did not call the add_symbols callback.
11810         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11811         asking for more symbols than were added.
11812         * testsuite/Makefile.am (plugin_test_1): Add test case with
11813         no global symbols.
11814         (empty.syms): New target.
11815         * testsuite/Makefile.in: Regenerate.
11816         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11817         message. Don't call add_symbols if no globals.
11818         (all_symbols_read_hook): Don't provide replacement for empty
11819         claimed file.
11820
11821 2008-12-12  Ian Lance Taylor  <iant@google.com>
11822
11823         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11824         r_type == 0 for a local symbol with r_sym == 0.
11825         (scan_relocatable_relocs): Pass r_sym to
11826         local_non_section_strategy.
11827         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11828         r_sym parameter.
11829
11830         * configure.ac: Update test for TLS descriptors: they are
11831         supported as of glibc 2.9.
11832         * configure: Rebuild.
11833
11834 2008-12-11  Ian Lance Taylor  <iant@google.com>
11835
11836         PR 7091
11837         * target-reloc.h (Default_scan_relocatable_relocs): For each
11838         function, map r_type == 0 to RELOC_DISCARD.
11839
11840 2008-12-10  Cary Coutant  <ccoutant@google.com>
11841
11842         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11843         object to override a kept COMDAT group from a plugin object.
11844
11845 2008-12-09  Ian Lance Taylor  <iant@google.com>
11846
11847         PR 7088
11848         * yyscript.y (file_cmd): Handle INPUT.
11849
11850         * testsuite/initpri1.c: Change all declarations to be full
11851         prototypes by adding void, to avoid compiler warnings.
11852
11853 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11854
11855         * options.cc (General_options::parse_plugin_opt): New.
11856         (General_options::add_plugin): The argument now is just the filename.
11857         (General_options::add_plugin_option): New.
11858         * options.h (plugin_opt): New.
11859         (add_plugin): Change argument name.
11860         (add_plugin_option): New.
11861         * plugin.cc (Plugin::load): Don't parse the plugin option.
11862         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11863         (Plugin::add_option): New.
11864         (Plugin::args_): Change type.
11865         (Plugin::filename_): New.
11866         (Plugin_manager::add_plugin_option): New.
11867         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11868         * testsuite/Makefile.in: Regenerate.
11869
11870 2008-12-05  Cary Coutant  <ccoutant@google.com>
11871
11872         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11873         Handle --strip-lto-sections option.
11874         * options.h (strip_lto_sections): New option.
11875
11876 2008-12-01  Cary Coutant  <ccoutant@google.com>
11877
11878         * plugin.cc (ld_plugin_message): Change format parameter to const.
11879         Fix mismatch between new[] and delete.
11880
11881 2008-11-14  Cary Coutant  <ccoutant@google.com>
11882
11883         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11884         instead of -1U.
11885
11886 2008-11-05  Craig Silverstein  <csilvers@google.com>
11887
11888         * options.cc (General_options::parse_dynamic_list): New function.
11889         * options.h (General_options): New flags dynamic_list,
11890         dynamic_list_data, dynamic_list_cpp_new, and
11891         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11892         (General_options::in_dynamic_list): New function.
11893         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11894         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11895         (Lex::can_continue_name): Likewise.
11896         (yylex): Likewise.
11897         (read_script_file): New parameter script_options.
11898         (read_dynamic_list): New function.
11899         (Script_options::define_dynamic_list): New function.
11900         (dynamic_list_keyword_parsecodes): New variable.
11901         (dynamic_list_keywords): New variable.
11902         * script.h (Script_options::define_dynamic_list): New function
11903         prototype.
11904         (read_dynamic_list): New function prototype.
11905         * symtab.cc (strprefix): New macro.
11906         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11907         dynamic_list_data, dynamic_list_cpp_new, and
11908         dynamic_list_cpp_typeinfo.
11909         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11910         (dynamic_list_expr): New rule.
11911         (dynamic_list_nodes): Likewise.
11912         (dynamic_list_node): Likewise.
11913         * testsuite/Makefile.am (dynamic_list): New test.
11914         * testsuite/Makefile.in: Regenerated.
11915         * testsuite/dynamic_list.t: New file.
11916         * testsuite/dynamic_list.sh: New file.
11917
11918 2008-11-05  Craig Silverstein  <csilvers@google.com>
11919
11920         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11921         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11922         (t11_last): Likewise.
11923         * testsuite/ver_test_6.c (main): Likewise.
11924
11925 2008-10-07  Cary Coutant  <ccoutant@google.com>
11926
11927         * options.c (General_options::finalize): Add check for -static and
11928         -shared.
11929         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11930         is not empty.
11931
11932 2008-10-02  Cary Coutant  <ccoutant@google.com>
11933
11934         * plugin.cc (make_sized_plugin_object): Fix conditional
11935         compilation to work when not all targets are enabled.
11936
11937 2008-09-29  Cary Coutant  <ccoutant@google.com>
11938
11939         * archive.cc (Archive::get_file_and_offset): Use filename instead
11940         of name to get library path.
11941         (Archive::include_member): Unlock external member of a thin archive.
11942
11943         * testsuite/Makefile.am (TEST_AR): New variable.
11944         (thin_archive_test_1): New test.
11945         (thin_archive_test_2): New test.
11946         * testsuite/Makefile.in: Regenerate.
11947         * testsuite/thin_archive_main.cc: New file.
11948         * testsuite/thin_archive_test_1.cc: New file.
11949         * testsuite/thin_archive_test_2.cc: New file.
11950         * testsuite/thin_archive_test_3.cc: New file.
11951         * testsuite/thin_archive_test_4.cc: New file.
11952
11953 2008-09-29  Cary Coutant  <ccoutant@google.com>
11954
11955         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11956         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11957         instead of -1U.
11958         (Sized_relobj::do_finalize_local_symbols): Likewise.
11959         (Sized_relobj::map_to_kept_section): Likewise.
11960         * object.h (Sized_relobj::invalid_address): New constant.
11961         (Sized_relobj::do_output_section_offset): Check for invalid_address
11962         and return -1ULL.
11963         * output.cc (Output_reloc::local_section_offset): Use constant
11964         invalid_address instead of -1U.
11965         (Output_reloc::get_address): Likewise.
11966         (Output_section::output_address): Change -1U to -1ULL.
11967         * output.h (Output_reloc::invalid_address): New constant.
11968         * reloc.cc (Sized_relobj::write_sections): Use constant
11969         invalid_address instead of -1U.
11970         (Sized_relobj::relocate_sections): Likewise.
11971         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11972         values for merge sections.
11973         * target-reloc.h (relocate_for_relocatable): Use constant
11974         invalid_address instead of -1U.
11975
11976 2008-09-19  Cary Coutant  <ccoutant@google.com>
11977
11978         Add plugin functionality for link-time optimization (LTO).
11979         * configure.ac (plugins): Add --enable-plugins option.
11980         * configure: Regenerate.
11981         * config.in: Regenerate.
11982         * Makefile.am (LIBDL): New variable.
11983         (CCFILES): Add plugin.cc.
11984         (HFILES): Add plugin.h.
11985         (ldadd_var): Add LIBDL.
11986         * Makefile.in: Regenerate.
11987
11988         * archive.cc: Include "plugin.h".
11989         (Archive::setup): Don't preread archive symbols when using a plugin.
11990         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11991         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11992         files.
11993         (Archive::include_member): Add symbols from plugin objects.
11994         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11995         * descriptors.cc (Descriptors::open): Check for file descriptors
11996         abandoned by plugins.
11997         (Descriptors::claim_for_plugin): New function.
11998         * descriptors.h (Descriptors::claim_for_plugin): New function.
11999         (Open_descriptor::is_claimed): New field.
12000         (claim_descriptor_for_plugin): New function.
12001         * fileread.cc (File_read::claim_for_plugin): New function.
12002         * fileread.h (File_read::claim_for_plugin): New function.
12003         (File_read::descriptor): New function.
12004         * gold.cc: Include "plugin.h".
12005         (queue_initial_tasks): Add task to call plugin hooks for generating
12006         new object files.
12007         * main.cc: Include "plugin.h".
12008         (main): Load plugin libraries.
12009         * object.h (Pluginobj): Declare.
12010         (Object::pluginobj): New function.
12011         (Object::do_pluginobj): New function.
12012         (Object::set_target): New function.
12013         * options.cc: Include "plugin.h".
12014         (General_options::parse_plugin): New function.
12015         (General_options::General_options): Initialize plugins_ field.
12016         (General_options::add_plugin): New function.
12017         * options.h (Plugin_manager): Declare.
12018         (General_options): Add --plugin option.
12019         (General_options::has_plugins): New function.
12020         (General_options::plugins): New function.
12021         (General_options::add_plugin): New function.
12022         (General_options::plugins_): New field.
12023         * plugin.cc: New file.
12024         * plugin.h: New file.
12025         * readsyms.cc: Include "plugin.h".
12026         (Read_symbols::do_read_symbols): Check for archive before checking
12027         for ELF file.  Call plugin hooks to claim files.
12028         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12029         from a real object file; force override when processing replacement
12030         files.
12031         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12032         (Symbol::init_base_object): Likewise.
12033         (Symbol::init_base_output_data): Likewise.
12034         (Symbol::init_base_output_segment): Likewise.
12035         (Symbol::init_base_constant): Likewise.
12036         (Symbol::init_base_undefined): Likewise.
12037         (Symbol::output_section): Assert that object is not a plugin.
12038         (Symbol_table::add_from_pluginobj): New function.
12039         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12040         undefined.
12041         (Symbol_table::sized_write_globals): Likewise.
12042         (Symbol_table::add_from_pluginobj): Instantiate template.
12043         * symtab.h (Sized_pluginobj): Declare.
12044         (Symbol::in_real_elf): New function.
12045         (Symbol::set_in_real_elf): New function.
12046         (Symbol::in_real_elf_): New field.
12047         (Symbol_table::add_from_pluginobj): New function.
12048
12049         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12050         (LIBDL): New variable.
12051         (LDADD): Add LIBDL.
12052         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12053         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12054         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12055         (MOSTLYCLEANFILES): Likewise.
12056         * testsuite/Makefile.in: Regenerate.
12057         * testsuite/plugin_test.c: New file.
12058         * testsuite/plugin_test_1.sh: New file.
12059         * testsuite/plugin_test_2.sh: New file.
12060
12061 2008-09-16  Ian Lance Taylor  <iant@google.com>
12062
12063         * target-reloc.h (relocate_section): Check whether a symbol is
12064         defined by the ABI before reporting an undefined symbol error.
12065         * target.h (Target::is_defined_by_abi): Make parameter const.
12066         (Target::do_is_defined_by_abi): Likewise.
12067         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12068         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12069         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12070         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12071         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12072         * testsuite/Makefile.in: Rebuild.
12073
12074         * fileread.cc (make_view): Add casts to avoid warning.
12075
12076 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12077
12078         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12079         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12080
12081 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12082
12083         * options.h (General_options::output_is_executable): New.
12084         (General_options::output_is_pie): New.
12085         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12086         for shared libraries.
12087         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12088
12089 2008-09-11  Chris Demetriou  <cgd@google.com>
12090
12091         * options.h (origin): New -z option.
12092         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12093         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12094         in DT_FLAGS_1.
12095
12096 2008-09-05  Cary Coutant  <ccoutant@google.com>
12097
12098         * fileread.cc (File_read::make_view): Add check for attempt to map
12099         beyond end of file.
12100
12101 2008-09-05  Cary Coutant  <ccoutant@google.com>
12102
12103         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12104         explicit instantiations.
12105
12106 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12107
12108         PR gold/6858
12109         * options.cc (General_options::finalize): Allow undefined symbols
12110         in shlibs if linking -shared.
12111
12112         PR gold/6859
12113         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12114         symbols as not needing a dynsym entry.
12115
12116 2008-08-20  Craig Silverstein  <csilvers@google.com>
12117
12118         * fileread.cc (File_read::open): Do not lock the file unless it
12119         was successfully opened.
12120
12121 2008-08-14  Cary Coutant  <ccoutant@google.com>
12122
12123         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12124         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12125         * testsuite/tls_test.cc (struct int128): 128-bit struct
12126         for testing TLS relocs with non-zero addend.
12127         (v12): New TLS variable.
12128         (t12): New test.
12129         (t_last): Add check for v12.
12130         * testsuite/tls_test.h (t12): New function.
12131         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12132
12133 2008-08-13  Ian Lance Taylor  <iant@google.com>
12134
12135         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12136         set tls_segment_ or relro_segment_.
12137         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12138         when appropriate.
12139         * output.h (Output_section::clear_is_relro): New function.
12140         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12141         sections specially even when output_data_ is empty.
12142         (Output_segment::maximum_alignment): When first section is relro,
12143         only force alignment for PT_LOAD segments.
12144         * script.cc (script_data_segment_align): New function.
12145         (script_data_segment_relro_end): New function.
12146         * script-c.h (script_data_segment_align): Declare.
12147         (script_data_segment_relro_end): Declare.
12148         * script-sections.h (class Script_sections): Declare
12149         data_segment_align and data_segment_relro_end.  Add fields
12150         segment_align_index_ and saw_relro_end_.
12151         * script-sections.cc (class Sections_element): Add set_is_relro
12152         virtual function.  Add new bool* parameter to place_orphan_here.
12153         Add get_output_section virtual function.
12154         (class Output_section_definition): Add set_is_relro.  Add new
12155         bool* parameter to place_orphan_here.  Add get_output_section.
12156         Add is_relro_ field.
12157         (Output_section_definition::Output_section_definition): Initialize
12158         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12159         and is_relro_ fields.
12160         (Output_section_definition::place_orphan_here): Add is_relro
12161         parameter.
12162         (Output_section_definition::set_section_addresses): Set relro for
12163         output section.
12164         (Output_section_definition::alternate_constraint): Likewise.
12165         (class Orphan_output_section): Add new bool* parameter to
12166         place_orphan_here.  Add get_output_section.
12167         (Orphan_output_section::place_orphan_here): Add is_relro
12168         parameter.
12169         (Script_sections::Script_sections): Initialize
12170         data_segment_align_index_ and saw_relro_end_.
12171         (Script_sections::data_segment_align): New function.
12172         (Script_sections::data_segment_relro_end): New function.
12173         (Script_sections::place_orphan): Set or clear is_relro.
12174         (Script_sections::set_section_addresses): Force alignment of first
12175         TLS section.
12176         * yyscript.y (exp): Call script_data_segment_align and
12177         script_data_segment_relro_end.
12178         * testsuite/relro_script_test.t: New file.
12179         * testsuite/relro_test.cc (using_script): Declare.
12180         (t1, t2): Test using_script.
12181         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12182         (relro_script_test_SOURCES): Define.
12183         (relro_script_test_DEPENDENCIES): Define.
12184         (relro_script_test_LDFLAGS): Define.
12185         (relro_script_test_LDADD): Define.
12186         (relro_script_test.so): New target.
12187         * testsuite/Makefile.in: Rebuild.
12188
12189 2008-08-06  Cary Coutant <ccoutant@google.com>
12190
12191         * archive.cc (Archive::total_archives, Archive::total_members)
12192         (Archive::total_members_loaded): New variables.
12193         (Archive::setup): Add parameter.  Add option to preread
12194         archive symbols.
12195         (Archive::read_armap): Add counter.
12196         (Archive::get_file_and_offset): New function.
12197         (Archive::get_elf_object_for_member): New function.
12198         (Archive::read_all_symbols): New function.
12199         (Archive::read_symbols): New function.
12200         (Archive::add_symbols): Add counters.
12201         (Archive::include_all_members): Use armap to find members if it's
12202         already built.
12203         (Archive::include_member): Skip reading symbols if already read.
12204         Factored code into Archive::get_file_and_offset and
12205         Archive::get_elf_object_for_member.  Changed call to
12206         Mapfile::report_include_archive_member.
12207         (Archive::print_stats): New function.
12208         * archive.h: Declare Object and Read_symbols_data classes.
12209         (Archive::Archive): Add initializers for new members.
12210         (Archive::setup): Add parameter.
12211         (Archive::print_stats): New function.
12212         (Archive::total_archives, Archive::total_members)
12213         (Archive::total_members_loaded): New variables.
12214         (Archive::get_file_and_offset): New function.
12215         (Archive::get_elf_object_for_member): New function.
12216         (Archive::read_all_symbols): New function.
12217         (Archive::read_symbols): New function.
12218         (Archive::Archive_member): New class.
12219         (Archive::members_): New member.
12220         (Archive::num_members_): New member.
12221         * main.cc: Include archive.h.
12222         (main): Call Archive::print_stats.
12223         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12224         archive parameter; member_name is now the fully-decorated name.
12225         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12226         * options.h: (General_options): Add --preread-archive-symbols option.
12227         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12228         Archive::setup.
12229
12230 2008-08-04  Ian Lance Taylor  <iant@google.com>
12231
12232         * symtab.h (Symbol::use_plt_offset): New function.
12233         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12234         * powerpc.cc (Relocate::relocate): Likewise.
12235         * sparc.cc (Relocate::relocate): Likewise.
12236         * x86_64.cc (Relocate::relocate): Likewise.
12237         * testsuite/weak_plt.sh: New test.
12238         * testsuite/weak_plt_main.cc: New test.
12239         * testsuite/weak_plt_shared.cc: New test.
12240         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12241         (check_PROGRAMS): Add weak_plt.
12242         (check_DATA): Add weak_plt_shared.so.
12243         (weak_plt_main_pic.o, weak_plt): New targets.
12244         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12245         * testsuite/Makefile.in: Rebuild.
12246
12247         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12248         gcctestdir/ld.
12249         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12250         * testsuite/Makefile.in: Rebuild.
12251
12252 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12253
12254         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12255         * Makefile.in: Regenerate.
12256         * po/POTFILES.in: Regenerate.
12257
12258 2008-07-29  Ian Lance Taylor  <iant@google.com>
12259
12260         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12261         symbols before other symbols.
12262         * testsuite/script_test_2.cc (test_addr): Declare.
12263         (test_addr_alias): Declare.
12264         (main): Check that test_addr and test_addr_alias have the right
12265         values.
12266         * testsuite/script_test_2.t: Define test_addr_alias and
12267         test_addr.
12268
12269 2008-07-24  Ian Lance Taylor  <iant@google.com>
12270
12271         PR 5990
12272         * descriptors.cc: New file.
12273         * descriptors.h: New file.
12274         * gold-threads.h (class Hold_optional_lock): New class.
12275         * fileread.cc: Include "descriptors.h".
12276         (File_read::~File_read): Release descriptor rather than closing
12277         it.
12278         (File_read::open) [file]: Call open_descriptor rather than open.
12279         Set is_descriptor_opened_.
12280         (File_read::open) [memory]: Assert that descriptor is not open.
12281         (File_read::reopen_descriptor): New function.
12282         (File_read::release): Release descriptor.
12283         (File_read::do_read): Make non-const.  Reopen descriptor.
12284         (File_read::read): Make non-const.
12285         (File_read::make_view): Reopen descriptor.
12286         (File_read::do_readv): Likewise.
12287         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12288         Update declarations.
12289         * layout.cc: Include "descriptors.h".
12290         (Layout::create_build_id): Use open_descriptor rather than open.
12291         * output.cc: Include "descriptors.h".
12292         (Output_file::open): Use open_descriptor rather than open.
12293         * archive.cc (Archive::const_iterator): Change Archive to be
12294         non-const.
12295         (Archive::begin, Archive::end): Make non-const.
12296         (Archive::count_members): Likewise.
12297         * archive.h (class Archive): Update declarations.
12298         * object.h (Object::read): Make non-const.
12299         * Makefile.am (CCFILES): Add descriptors.cc.
12300         (HFILES): Add descriptors.h.
12301         * Makefile.in: Rebuild.
12302
12303         PR 6716
12304         * gold.h: Always include <clocale>.  Add Solaris workarounds
12305         following code in binutils/sysdep.h.
12306
12307         PR 6048
12308         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12309         this->eh_frame_hdr_ is NULL before using it.
12310
12311         * dynobj.cc (Versions::Versions): Update comment.
12312
12313         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12314         the base version name.
12315
12316         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12317         array size plus one.
12318         (Stringpool_template::set_string_offsets): Subtract one from key
12319         before using it as an array index.
12320         (Stringpool_template::get_offset_with_length): Likewise.
12321         (Stringpool_template::write_to_buffer): Likewise.
12322         * stringpool.h (Stringpool_template::get_offset_from_key):
12323         Likewise.
12324
12325 2008-07-23  Ian Lance Taylor  <iant@google.com>
12326
12327         PR 6658
12328         * object.h (Merged_symbol_value::value): Do our best to handle a
12329         negative addend.
12330
12331         PR 6647
12332         * script.cc (Version_script_info::get_versions): Don't add empty
12333         version tag to return value.
12334         (Version_script_info::get_symbol_version_helper): Change return
12335         type to bool.  Add pversion parameter.  Change all callers.
12336         (script_register_vers_node): Don't require a non-NULL tag.
12337         * script.h (class Version_script_info): Update declarations.
12338         (Version_script_info::get_symbol_version): Change return type to
12339         bool.  Add version parameter.  Change all callers.
12340         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12341         handling.  Handle an empty version from a version script.
12342         (Symbol_table::define_special_symbol): Likewise.
12343         * testsuite/ver_test_10.script: New file.
12344         * testsuite/ver_test_10.sh: New file.
12345         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12346         (check_DATA): Add ver_test_10.syms.
12347         (ver_test_10.syms, ver_test_10.so): New target.
12348         * testsuite/Makefile.in: Rebuild.
12349
12350 2008-07-23  Simon Baldwin  <simonb@google.com>
12351
12352         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12353         to zero for undefined symbols from dynamic libraries.
12354
12355 2008-07-23  Ian Lance Taylor  <iant@google.com>
12356
12357         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12358         Change all callers.
12359         * symtab.h (class Symbol_table): Update declaration.
12360         * testsuite/ver_test_9.cc: New file.
12361         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12362         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12363         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12364         (ver_test_9.so, ver_test_9.o): New targets.
12365         * testsuite/Makefile.in: Rebuild.
12366
12367 2008-07-22  Ian Lance Taylor  <iant@google.com>
12368
12369         * options.h (class General_options): Define --check-sections.
12370         * layout.cc (Layout::set_segment_offsets): Handle
12371         --check-sections.
12372
12373         * options.h (class General_options): Define -n/--nmagic and
12374         -N/--omagic.
12375         * options.cc (General_options::finalize): For -n/--nmagic or
12376         -N/--omagic, set -static.
12377         * layout.cc (Layout::attach_allocated_section_to_segment): If
12378         -N/--omagic, don't put read-only and read-write sections in
12379         different segments.
12380         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12381         finding a read-only segment.
12382         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12383         don't set the minimum segment alignment to the common page size,
12384         and don't set the file offset to the address modulo the page size.
12385         * script-sections.cc (Script_sections::create_segments): If
12386         -n/--omagic, don't put read-only and read-write sections in
12387         different segments.
12388
12389         * cref.cc: New file.
12390         * cref.h: New file.
12391         * options.h (class General_options): Add --print-symbol-counts.
12392         * main.cc (main): Issue defined symbol report if requested.
12393         * archive.cc (Archive::interpret_header): Make into a const member
12394         function.
12395         (Archive::add_symbols): Call Input_objects::archive_start and
12396         archive_stop.
12397         (Archive::const_iterator): Define new class.
12398         (Archive::begin, Archive::end): New functions.
12399         (Archive::include_all_members): Rewrite to use iterator.
12400         (Archive::count_members): New function.
12401         * archive.h (class Archive): Update declarations.
12402         (Archive::filename): New function.
12403         * object.cc: Include "cref.h".
12404         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12405         (Sized_relobj::do_get_global_symbol_counts): New function.
12406         (Input_objects::add_object): Add object to cross-referencer.
12407         (Input_objects::archive_start): New function.
12408         (Input_objects::archive_stop): New function.
12409         (Input_objects::print_symbol_counts): New function.
12410         * object.h: Declare Cref and Archive.
12411         (Object::get_global_symbol_counts): New function.
12412         (Object::do_get_global_symbol_counts): New pure virtual function.
12413         (class Sized_relobj): Add defined_count_ field.  Update
12414         declarations.
12415         (class Input_objects): Add cref_ field.  Update constructor.
12416         Update declarations.
12417         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12418         defined_count_.
12419         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12420         symbol counts.
12421         (Sized_dynobj::do_get_global_symbol_counts): New function.
12422         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12423         defined_count_.  Update declarations.  Define Symbols typedef.
12424         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12425         parameter.  Change all callers.
12426         (Symbol_table::add_from_dynobj): Add sympointers and defined
12427         parameters.  Change all callers.
12428         * symtab.h (class Symbol_table): Update declarations.
12429         * Makefile.am (CCFILES): Add cref.cc.
12430         (HFILES): Add cref.h.
12431         * Makefile.in: Rebuild.
12432
12433 2008-07-22  Simon Baldwin  <simonb@google.com>
12434
12435         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12436         to zero when writing undefined symbols.
12437
12438 2008-07-22  Ian Lance Taylor  <iant@google.com>
12439
12440         * output.cc (Output_section::add_input_section): Don't try to
12441         merge empty merge sections.
12442
12443 2008-07-21  Craig Silverstein  <csilvers@google.com>
12444
12445         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12446         Include symbol version in error message.
12447
12448 2008-07-20  Chris Demetriou  <cgd@google.com>
12449
12450         * configure.ac (gold_cv_c_random_seed): New configured variable.
12451         (RANDOM_SEED_CFLAGS): New substituted variable.
12452         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12453         * configure: Rebuild.
12454         * Makefile.in: Likewise.
12455         * testsuite/Makefile.in: Likewise.
12456
12457 2008-07-18  Ian Lance Taylor  <iant@google.com>
12458
12459         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12460         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12461         * testsuite/ver_test_main.cc (main): Call t4.
12462         (t4, t4_2a): Define.
12463         * testsuite/ver_test_2.cc (t4_2): Define.
12464         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12465         * testsuite/ver_test_4.cc (t4_2a): Define.
12466         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12467         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12468
12469 2008-07-17  Ian Lance Taylor  <iant@google.com>
12470
12471         * dynobj.cc (Versions::add_def): If we give an error about a
12472         missing version, go ahead and create the version anyhow.
12473
12474 2008-07-10  Ian Lance Taylor  <iant@google.com>
12475
12476         Handle output sections with more than 0x7fffffff bytes.
12477         * object.h (class Relobj): Change map_to_output_ to
12478         output_sections_, and just keep a section pointer.  Change all
12479         uses.  Move comdat group support to Sized_relobj.
12480         (Relobj::is_section_specially_mapped): Remove.
12481         (Relobj::output_section): Remove poff parameter.  Change all
12482         callers.
12483         (Relobj::output_section_offset): New function.
12484         (Relobj::set_section_offset): Rewrite.
12485         (Relobj::map_to_output): Remove.
12486         (Relobj::output_sections): New function.
12487         (Relobj::do_output_section_offset): New pure virtual function.
12488         (Relobj::do_set_section_offset): Likewise.
12489         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12490         group support from Relobj.  Update declarations.
12491         (Sized_relobj::get_output_section_offset): New function.
12492         (Sized_relobj::do_output_section_offset): New function.
12493         (Sized_relobj::do_set_section_offset): New function.
12494         * object.cc (Relobj::output_section_address): Remove.
12495         (Sized_relobj::Sized_relobj): Initialize new fields.
12496         (Sized_relobj::include_section_group): Cast find_kept_object to
12497         Sized_relobj.
12498         (Sized_relobj::include_linkonce_section): Likewise.
12499         (Sized_relobj::do_layout): Use separate arrays for output section
12500         and output offset.
12501         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12502         output_sections.
12503         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12504         output_sections and section_offsets.
12505         (Sized_relobj::write_local_symbols): Likewise.
12506         (map_to_kept_section): Compute output address directly.
12507         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12508         output_sections and section_offsets.
12509         (Sized_relobj::write_sections): Likewise.
12510         (Sized_relobj::relocate_sections): Likewise.
12511         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12512         * output.h (class Output_reloc): Update declarations.  Change
12513         u2_.relobj to Sized_relobj*.
12514         (class Output_data_reloc): Change add functions to use
12515         Sized_relobj*.
12516         * output.cc (Output_reloc::Output_reloc): Change relobj to
12517         Sized_relobj*.
12518         (Output_reloc::local_section_offset): Change return type to
12519         Elf_Addr.  Use get_output_section_offset.
12520         (Output_reloc::get_address): Likewise.
12521         (Output_section::is_input_address_mapped): Don't call
12522         is_section_specially_mapped.
12523         (Output_section::output_offset): Likewise.
12524         (Output_section::output_address): Likewise.
12525         (Output_section::starting_output_address): Likewise.
12526         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12527         parameter to Sized_relobj*.
12528         (Copy_relocs::need_copy_reloc): Likewise.
12529         (Copy_relocs::save): Likewise.
12530         * copy-relocs.h (class Copy_relocs): Update declarations.
12531         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12532         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12533         * target-reloc.h (relocate_for_relocatable): Change
12534         offset_in_output_section type to Elf_Addr.  Change code that uses
12535         it as well.
12536         * layout.cc (Layout::layout): Always set *off.
12537         * mapfile.cc (Mapfile::print_input_section): Use
12538         output_section_offset.
12539         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12540         Sized_relobj*.
12541         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12542         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12543         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12544
12545 2008-07-03  Ian Lance Taylor  <iant@google.com>
12546
12547         * layout.cc (Layout::include_section): Do not discard unrecognized
12548         SHT_STRTAB sections.
12549
12550 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12551
12552         * script.cc (Lex::can_continue_name): Make '?' allowable in
12553         version-script names.
12554         * testsuite/version_script.map: Change glob pattern to use '?'
12555
12556 2008-06-30  Manish Singh  <yosh@gimp.org>
12557
12558         PR 6585
12559         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12560         Correct typo.
12561
12562 2008-06-30  Ian Lance Taylor  <iant@google.com>
12563
12564         PR 6660
12565         PR 6682
12566         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12567         versions]: Don't try to read the value in the contents, since we
12568         don't use it.  Use the template endianness when writing.
12569
12570 2008-06-25  Cary Coutant  <ccoutant@google.com>
12571
12572         * fileread.cc (File_read::make_view): Assert on zero-length view.
12573         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12574         symbol table when there are no symbols to read.
12575
12576 2008-06-23  Craig Silverstein  <csilvers@google.com>
12577
12578         * version.cc (version_string): Bump to 1.7
12579
12580 2008-06-18  Craig Silverstein  <csilvers@google.com>
12581
12582         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12583         constant 0xFFFF to type Valtype.
12584         (Powerpc_relocate_functions::rel16_ha): Likewise.
12585
12586 2008-06-17  Ian Lance Taylor  <iant@google.com>
12587
12588         * output.h (Output_section::Input_section): Initialize p2align_ to
12589         zero for Output_section_data constructors.
12590         (Output_section::Input_section::addralign): If not an input
12591         section, return the alignment of the Output_section_data.
12592         * testsuite/copy_test.cc: New file.
12593         * testsuite/copy_test_1.cc: New file.
12594         * testsuite/copy_test_2.cc: New file.
12595         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12596         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12597         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12598         (copy_test_1_pic.o, copy_test_1.so): New targets.
12599         (copy_test_2_pic.o, copy_test_2.so): New targets.
12600         * testsuite/Makefile.in: Rebuild.
12601
12602         * script-sections.cc (Script_sections::place_orphan): Initialize
12603         local variable exact.
12604
12605 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12606
12607         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12608
12609 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12610             David S. Miller  <davem@davemloft.net>
12611
12612         * powerpc.cc: New file.
12613         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12614         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12615         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12616         * Makefile.in: Rebuild.
12617
12618 2008-06-09  Ian Lance Taylor  <iant@google.com>
12619
12620         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12621         <exception>.
12622         (throwing, orig_terminate): New static variables.
12623         (terminate_handler): New static function.
12624         (t2): Set terminate handler.
12625
12626 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12627
12628         PR 6584
12629         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12630         alignment.
12631
12632 2008-05-30  Cary Coutant  <ccoutant@google.com>
12633
12634         * archive.cc (Archive::include_all_members) Correct to step
12635         over symbol table and extended name table in thin archives.
12636
12637 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12638
12639         PR 6407
12640         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12641         calculation.
12642
12643 2008-05-28  Caleb Howe  <cshowe@google.com>
12644
12645         * reduced_debug_output.cc: New file.
12646         * reduced_debug_output.h: New file.
12647         * options.h (class General_options): Add --strip-debug-non-line.
12648         * options.cc (General_options::finalize): Add strip_debug_non_line
12649         to the strip heirarchy.
12650         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12651         fields.
12652         * layout.cc: Include "reduced_debug_output.h".
12653         (Layout::Layout): Initialize new fields.
12654         (line_only_debug_sections): New static array.
12655         (is_lines_only_debug_sections): New static inline function.
12656         (Layout::include_section): Handle --strip-debug-non-line.
12657         (Layout::make_output_section): If --strip-debug-non-line, build
12658         new output sections for .debug_abbrev and .debug_info.
12659         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12660         gold.  Warn about possible overflow.
12661         (read_signed_LEB_128): Likewise.
12662         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12663         (read_signed_LEB_128): Declare.
12664         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12665         (HFILES): Add reduced_debug_output.h.
12666         * Makefile.in: Rebuild.
12667
12668 2008-05-21  Ian Lance Taylor  <iant@google.com>
12669
12670         * mapfile.cc: New file.
12671         * mapfile.h: New file.
12672         * options.h (class General_options): Add -M/--print-map and -Map.
12673         * options.cc (General_options::finalize): Make -M equivalent to
12674         -Map -.
12675         * main.cc: Include <cstdio> and "mapfile.h".
12676         (main): Open mapfile if requested.
12677         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12678         constructor.  Change caller.
12679         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12680         (queue_middle_tasks): Likewise.
12681         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12682         declarations.
12683         * archive.cc: Include "mapfile.h".
12684         (Archive::add_symbols): Add mapfile parameter.  Change all
12685         callers.  Pass mapfile, symbol, and reason to include_member.
12686         (Archive::include_all_members): Add mapfile parameter.  Change all
12687         callers.
12688         (Archive::include_member): Add mapfile, sym, and why parameters.
12689         Change all callers.  Report inclusion to map file.
12690         * archive.h: Include "fileread.h".
12691         (class Archive): Update declarations.
12692         (Archive::file): New const method.
12693         (class Add_archive_symbols): Add mapfile_ field.  Update
12694         constructor.  Change all callers.
12695         * readsyms.h (class Read_symbols): Likewise.
12696         (class Finish_group): Likewise.
12697         (class Read_script): Likewise.
12698         * common.cc: Include "mapfile.h".
12699         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12700         all callers.
12701         (Symbol_table::do_allocate_commons): Likewise.
12702         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12703         symbol allocation to mapfile.
12704         * common.h (class Allocate_commons_task): Add mapfile_ field.
12705         Update constructor.  Change all callers.
12706         * symtab.h (class Symbol_table): Update declarations.
12707         * layout.cc: Include "mapfile.h".
12708         (Layout_task_runner::run): Print information to mapfile.
12709         (Layout::create_gold_note): Change Output_data_fixed_space to
12710         Output_data_zero_fill.
12711         (Layout::create_build_id): Likewise.
12712         (Layout::print_to_mapfile): New function.
12713         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12714         constructor.  Change caller.
12715         (class Layout): Declare print_to_mapfile.
12716         * output.cc (Output_section::Input_section::print_to_mapfile): New
12717         function.
12718         (Output_section::add_input_section): If producing a map, always
12719         add to input_sections_ list.
12720         (Output_section::do_print_to_mapfile): New function.
12721         (Output_segment::print_sections_to_mapfile): New function.
12722         (Output_segment::print_section_list_to_mapfile): New function.
12723         * output.h: Include "mapfile.h".
12724         (Output_data::print_to_mapfile): New function.
12725         (Output_data::do_print_to_mapfile): New virtual function.
12726         (Output_segment_headers::do_print_to_mapfile): New function.
12727         (Output_file_header::do_print_to_mapfile): New function.
12728         (Output_data_const::do_print_to_mapfile): New function.
12729         (class Output_data_const_buffer): Add map_name_ field.  Update
12730         constructor.  Change all callers.  Add do_print_to_mapfile
12731         function.
12732         (class Output_data_fixed_space): Likewise.
12733         (class Output_data_space): Likewise.
12734         (class Output_data_zero_fill): New class.
12735         (Output_data_strtab::do_print_to_mapfile): New function.
12736         (Output_data_reloc_base::do_print_to_mapfile): New function.
12737         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12738         (Output_data_group::do_print_to_mapfile): New function.
12739         (Output_data_got::do_print_to_mapfile): New function.
12740         (Output_data_dynamic::do_print_to_mapfile): New function.
12741         (Output_symtab_xindex::do_print_to_mapfile): New function.
12742         (class Output_section): Declare do_print_to_mapflie.  Declare
12743         print_to_mapfile in Input_section.
12744         (class Output_segment): Declare new functions.
12745         * object.h (Sized_relobj::symbol_count): New function.
12746         * script-sections.cc
12747         (Output_section_element_dot_assignment::set_section_addresses):
12748         Change Output_data_fixed_space to Output_data_zero_fill.
12749         (Output_data_expression::do_print_to_mapfile): New function.
12750         * script.cc (read_input_script): Add mapfile parameter.  Change
12751         all callers.
12752         * script.h (read_input_script): Update declaration.
12753         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12754         (Eh_frame::do_print_to_mapfile): New function.
12755         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12756         (Output_merge_string::do_print_to_mapfile): New function.
12757         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12758         function.
12759         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12760         function.
12761         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12762         function.
12763         * Makefile.am (CCFILES): Add mapfile.cc.
12764         (HFILES): Add mapfile.h.
12765         * Makefile.in: Rebuild.
12766
12767 2008-05-19  Ian Lance Taylor  <iant@google.com>
12768
12769         * options.h (class General_options): Add -z relro.
12770         * layout.cc (Layout::Layout): Initialize relro_segment_.
12771         (Layout::add_output_section_data): Return the output section.
12772         (Layout::make_output_section): Rcognize relro sections and mark
12773         them appropriately.
12774         (Layout::attach_allocated_section_to_segment): Put relro sections
12775         in a PT_GNU_RELRO segment.
12776         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12777         section as relro.
12778         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12779         PT_TLS segments.
12780         (Layout::linkonce_mapping): Map d.rel.ro.local to
12781         .data.rel.ro.local.
12782         (Layout::output_section_name): Us .data.rel.ro.local for any
12783         section which begins with that.
12784         * layout.h (class Layout): Update add_output_section_data
12785         declaration.  Add relro_segment_ field.
12786         * output.cc (Output_section::Output_section): Initialize is_relro_
12787         and is_relro_local_ fields.
12788         (Output_segment::add_output_section): Group relro sections.
12789         (Output_segment::is_first_section_relro): New function.
12790         (Output_segment::maximum_alignment): If there is a relro section,
12791         align the segment to the common page size.
12792         (Output_segment::set_section_addresses): Track whether we are
12793         looking at relro sections.  If the last section is a relro
12794         section, align to the common page size.
12795         (Output_segment::set_section_list_addresses): Add in_relro
12796         parameter.  Change all callers.  Align to the page size when
12797         moving from relro to non-relro section.
12798         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12799         segment.
12800         * output.h (class Output_section): Add is_relro_ and
12801         is_relro_local_ fields.
12802         (Output_section::is_relro): New function.
12803         (Output_section::set_is_relro): New function.
12804         (Output_section::is_relro_local): New function.
12805         (Output_section::set_is_relro_local): New function.
12806         (class Output_segment): Update declarations.
12807         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12808         * sparc.cc (Target_sparc::got_section): Likewise.
12809         * x86_64.cc (Target_x86_64::got_section): Likewise.
12810         * testsuite/relro_test_main.cc: New file.
12811         * testsuite/relro_test.cc: New file.
12812         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12813         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12814         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12815         (relro_test.so, relro_test_pic.o): New targets.
12816         * testsuite/Makefile.in: Rebuild.
12817
12818 2008-05-16  Ian Lance Taylor  <iant@google.com>
12819
12820         * output.cc (Output_segment::add_output_section): Remove front
12821         parameter.
12822         * output.h (class Output_segment): Remove
12823         add_initial_output_section and overloaded add_output_section.
12824         Update declaration of remaining add_output_section.
12825         * layout.cc (Layout::create_interp): Call add_output_section
12826         rather than add_initial_output_section.
12827         (Layout::finish_dynamic_section): Likewise.
12828
12829         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12830         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12831         know the dynamic type.
12832         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12833         field.  Initialize it in constructor.
12834         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12835         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12836         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12837         reloc.
12838
12839         * output.cc (Output_reloc::get_address): Change return type to
12840         Elf_Addr.
12841         * output.h (class Output_reloc): Update get_address declaration.
12842         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12843         for section addresses.
12844
12845 2008-05-09  Ian Lance Taylor  <iant@google.com>
12846
12847         PR 6493
12848         * gold.cc (gold_nomem): Use return value of write.
12849
12850 2008-05-08  Ian Lance Taylor  <iant@google.com>
12851
12852         * symtab.c (Symbol::init_base_output_data): Add version
12853         parameter.  Change all callers.
12854         (Symbol::init_base_output_segment): Likewise.
12855         (Symbol::init_base_constant): Likewise.
12856         (Symbol::init_base_undefined): Likewise.
12857         (Sized_symbol::init_output_data): Likewise.
12858         (Sized_symbol::init_output_segment): Likewise.
12859         (Sized_symbol::init_constant): Likewise.
12860         (Sized_symbol::init_undefined): Likewise.
12861         (Symbol_table::do_define_in_output_data): If the new symbol has a
12862         version, mark it as the default.
12863         (Symbol_table::do_define_in_output_segment): Likewise.
12864         (Symbol_table::do_define_as_constant): Likewise.
12865         * symtab.h (class Symbol): Update declarations.
12866         (class Sized_symbol): Likewise.
12867         * resolve.cc (Symbol::override_version): New function.
12868         (Symbol::override_base): Call override_version.
12869         (Symbol::override_base_with_special): Likewise.
12870         * testsuite/ver_script_8.script: New file.
12871         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12872         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12873         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12874         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12875
12876 2008-05-06  Ian Lance Taylor  <iant@google.com>
12877
12878         PR 6049
12879         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12880         functions.
12881         (class General_options): Remove existing --undefined, and add
12882         --no-undefined instead.  Add new --undefined as synonym for -u.
12883         * archive.cc (Archive::add_symbols): Check whether symbol was
12884         named with -u.
12885         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12886         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12887         all uses.  Add IS_UNDEFINED.  Update declarations to split
12888         different versions of init_base.  Declare init_base_undefined.
12889         (Symbol::is_defined): Handle IS_UNDEFINED.
12890         (Symbol::is_undefined): Likewise.
12891         (Symbol::is_weak_undefined): Call is_undefined.
12892         (Symbol::is_absolute): Handle IS_CONSTANT.
12893         (class Sized_symbol): Update declarations to split different
12894         versions of init.  Declare init_undefined.
12895         (class Symbol_table): Declare new functions.
12896         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12897         Change all callers.
12898         (Symbol::init_base_output_data): Likewise.
12899         (Symbol::init_base_output_segment): Likewise.
12900         (Symbol::init_base_constant): Likewise.
12901         (Symbol::init_base_undefined): New function.
12902         (Sized_symbol::init_object): Rename from init.  Change all
12903         callers.
12904         (Sized_symbol::init_output_data): Likewise.
12905         (Sized_symbol::init_output_segment): Likewise.
12906         (Sized_symbol::init_constant): Likewise.
12907         (Sized_symbol::init_undefined): New function.
12908         (Symbol_table::add_undefined_symbols_from_command_line): New
12909         function.
12910         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12911         function.
12912         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12913         (Symbol::output_section): Likewise.
12914         (Symbol::set_output_section): Likewise.
12915         (Symbol_table::sized_finalize_symbol): Likewise.
12916         (Symbol_table::sized_write_globals): Likewise.
12917         * resolve.cc (Symbol_table::should_override): Likewise.
12918         (Symbol::override_base_with_special): Likewise.
12919
12920         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12921         symbol, change it to have default visibility.
12922         * testsuite/protected_1.cc: New file.
12923         * testsuite/protected_2.cc: New file.
12924         * testsuite/protected_3.cc: New file.
12925         * testsuite/protected_main_1.cc: New file.
12926         * testsuite/protected_main_2.cc: New file.
12927         * testsuite/protected_main_3.cc: New file.
12928         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12929         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12930         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12931         (protected_1.so): New target.
12932         (protected_1_pic.o, protected_2_pic.o): New targets.
12933         (protected_3_pic.o): New target.
12934         (check_PROGRAMS): Add protected_2.
12935         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12936         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12937         * testsuite/Makefile.in: Rebuild.
12938
12939         * options.h (DEFINE_var): Add set_user_set_##varname__.
12940         (DEFINE_bool_alias): New macro.
12941         (class General_options): Define -Bstatic using DEFINE_bool_alias
12942         rather than DEFINE_special.  Add --undefined as an alias for -z
12943         defs.
12944         * options.cc (General_options::parse_Bstatic): Remove.
12945
12946         * options.h (class General_options): Add --fatal-warnings.
12947         * main.cc (main): Implement --fatal-warnings.
12948         * errors.h (Errors::warning_count): New function.
12949
12950         * options.h (class General_options): Add -Bsymbolic-functions.
12951         * symtab.h (Symbol::is_preemptible): Check for
12952         -Bsymbolic-functions.
12953
12954 2008-05-05  Ian Lance Taylor  <iant@google.com>
12955
12956         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12957         as noVARNAME rather than no-VARNAME.
12958         (class General_options): Add option -z combreloc.
12959         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12960         get_address.
12961         (Output_reloc::sort_before) [SHT_REL]: New function.
12962         (Output_reloc::sort_before) [SHT_RELA]: New function.
12963         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12964         Sort_relocs_comparison.
12965         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12966         parameter.  Change all callers.
12967         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12968         sort_relocs parameter.  Change all callers.
12969         * output.cc (Output_reloc::get_address): New function, broken out
12970         of write_rel.
12971         (Output_reloc::write_rel): Call it.
12972         (Output_reloc::compare): New function.
12973         (Output_data_reloc_base::do_write): Optionally sort relocs.
12974
12975         * configure.ac: If targ_extra_obj is set, link it in.
12976         * configure.tgt: Initialize all variables.
12977         (x86_64*): Set targ_extra_obj and targ_extra_size.
12978         * configure: Rebuild.
12979
12980         * object.cc (Sized_relobj::include_section_group): Adjust section
12981         indexes read from group data.  Build vector to pass to
12982         layout_group.
12983         * layout.cc (Layout::layout_group): Add flags and shndxes
12984         parameters.  Remove contents parameter.  Change caller.  Update
12985         explicit instantiations.
12986         * layout.h (class Layout): Update layout_group declaration.
12987         * output.cc (Output_data_group::Output_data_group): Add flags and
12988         input_shndxes parameters.  Remove contents parameter.  Change
12989         caller.
12990         (Output_data_group::do_write): Change input_sections_ to
12991         input_shndxes_.
12992         * output.h (class Output_data_group): Update constructor
12993         declaration.  Rename input_sections_ to input_shndxes_.
12994         * testsuite/many_sections_test.cc: Add template.
12995
12996 2008-04-30  Cary Coutant  <ccoutant@google.com>
12997
12998         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12999
13000         * layout.cc (Layout::include_section): Refactored check for debug
13001         info section.
13002         (Layout::add_comdat): Add new parameters.  Change type
13003         of signature parameter.  Add object and shndx to signatures table.
13004         (Layout::find_kept_object): New function.
13005         * layout.h: Include <cstring>.
13006         (Layout::is_debug_info_section): New function.
13007         (Layout::add_comdat): Add new parameters.
13008         (Layout::find_kept_object): New function.
13009         (Layout::Kept_section): New struct.
13010         (Layout::Signatures): Change type of map range.
13011         * object.cc (Relobj::output_section_address): New function.
13012         (Sized_relobj::include_section_group): Add new parameters.  Change
13013         calls to Layout::add_comdat.  Change to build table of kept comdat
13014         groups and table mapping discarded sections to kept sections.
13015         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13016         (Sized_relobj::do_layout): Change calls to include_section_group and
13017         include_linkonce_section.
13018         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13019         value to zero when section is discarded.
13020         (Sized_relobj::map_to_kept_section): New function.
13021         * object.h (Relobj::output_section_address): New function.
13022         (Relobj::Comdat_group): New type.
13023         (Relobj::find_comdat_group): New function.
13024         (Relobj::Comdat_group_table): New type.
13025         (Relobj::Kept_comdat_section): New type.
13026         (Relobj::Kept_comdat_section_table): New type.
13027         (Relobj::add_comdat_group): New function.
13028         (Relobj::set_kept_comdat_section): New function.
13029         (Relobj::get_kept_comdat_section): New function.
13030         (Relobj::comdat_groups_): New field.
13031         (Relobj::kept_comdat_sections_): New field.
13032         (Symbol_value::input_value): Update comment.
13033         (Sized_relobj::map_to_kept_section) New function.
13034         (Sized_relobj::include_linkonce_section): Add new parameter.
13035         * target-reloc.h (Comdat_behavior): New type.
13036         (get_comdat_behavior): New function.
13037         (relocate_section): Add code to map a discarded section to the
13038         corresponding kept section when applying a relocation.
13039
13040 2008-04-30  Craig Silverstein  <csilvers@google.com>
13041
13042         * dwarf_reader.cc (next_generation_count): New static var.
13043         (Addr2line_cache_entry): New struct.
13044         (addr2line_cache): New static var.
13045         (Dwarf_line_info::one_addr2line): Added caching.
13046         (Dwarf_line_info::clear_addr2line_cache): New function.
13047         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13048         cache-size parameter.
13049         (Dwarf_line_info::one_addr2line_cache): New function.
13050         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13051         new cache-size argument to one_addr2line(), and clear cache.
13052
13053 2008-04-28  Cary Coutant  <ccoutant@google.com>
13054
13055         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13056         R_386_PC8 relocations.
13057
13058 2008-04-23  Ian Lance Taylor  <iant@google.com>
13059
13060         * object.cc (Sized_relobj::include_section_group): Check for
13061         invalid section group.
13062
13063         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13064         header size.
13065
13066         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13067         than read for file header.
13068         * archive.cc (Archive::include_member): Likewise.
13069
13070 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13071
13072         * aclocal.m4: Regenerate.
13073         * configure: Regenerate.
13074
13075 2008-04-19  Ian Lance Taylor  <iant@google.com>
13076
13077         * version.cc (version_string): Bump to 1.6.
13078
13079         * testsuite/Makefile.am (many_sections_r_test): New target.
13080         (many_sections_r_test_SOURCES): Remove.
13081         (many_sections_r_test_DEPENDENCIES): Remove.
13082         (many_sections_r_test_LDFLAGS): Remove.
13083         (many_sections_r_test_LDADD): Remove.
13084
13085         * object.cc (Sized_relobj::do_add_symbols): Always pass
13086         local_symbol_count_ to add_from_relobj.
13087
13088         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13089         every thousand variables.
13090         * testsuite/Makefile.in: Rebuild.
13091
13092         * object.cc (Xindex::initialize_symtab_xindex): New function.
13093         (Xindex::read_symtab_xindex): New function.
13094         (Xindex::sym_xindex_to_shndx): New function.
13095         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13096         available.
13097         (Sized_relobj::do_initialize_xindex): New function.
13098         (Sized_relobj::do_read_symbols): Adjust section links.
13099         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13100         parameter.  Change all callers.
13101         (Sized_relobj::include_section_group): Adjust section links and
13102         symbol section indexes.
13103         (Sized_relobj::do_layout): Adjust section links.
13104         (Sized_relobj::do_count_local_symbols): Adjust section links and
13105         symbol section indexes.
13106         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13107         ordinary and special symbols.
13108         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13109         dynsym_xindex parameters.  Change all callers.  Adjust section
13110         links.  Use SHN_XINDEX when needed.
13111         (Sized_relobj::get_symbol_location_info): Adjust section links.
13112         Don't get fooled by special symbols.
13113         * object.h (class Xindex): Define.
13114         (class Object): Add xindex_ parameter.  Declare virtual functoin
13115         do_initialize_xindex.
13116         (Object::adjust_sym_shndx): New function.
13117         (Object::set_xindex): New protected function.
13118         (class Symbol_value): Add is_ordinary_shndx_ field.
13119         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13120         (Symbol_value::value): Assert ordinary section.
13121         (Symbol_value::initialize_input_to_output_map): Likewise.
13122         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13123         Change all callers.
13124         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13125         all callers.
13126         (class Sized_relobj): Update declarations.
13127         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13128         parameter.  Change all callers.
13129         (Sized_relobj::adjust_shndx): New function.
13130         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13131         field.
13132         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13133         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13134         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13135         (Sized_dynobj::read_dynsym_section): Adjust section links.
13136         (Sized_dynobj::read_dynamic): Likewise.
13137         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13138         section links.
13139         (Sized_dynobj::do_initialize_xindex): New function.
13140         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13141         do_initialize_xindex.
13142         (Sized_dynobj::adjust_shndx): New function.
13143         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13144         dynsym_xindex_ fields.
13145         (Layout::finalize): Add a call to set_section_indexes before
13146         creating the symtab sections.
13147         (Layout::set_section_indexes): Don't do anything if the section
13148         already has a section index.
13149         (Layout::create_symtab_sections): Add shnum parameter.  Change
13150         caller.  Create .symtab_shndx section if needed.
13151         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13152         caller.
13153         (Layout::allocated_output_section_count): New function.
13154         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13155         needed.
13156         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13157         fields.  Update declarations.
13158         (Layout::symtab_xindex): New function.
13159         (Layout::dynsym_xindex): New function.
13160         (class Write_symbols_task): Add layout_ field.
13161         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13162         Change caller.
13163         * output.cc (Output_section_headers::Output_section_headers): Add
13164         shstrtab_section parameter.  Change all callers.
13165         (Output_section_headers::do_sized_write): Store overflow values
13166         for section count and section string table section index in
13167         section header zero.
13168         (Output_file_header::do_sized_write): Check for overflow of
13169         section count and section string table section index.
13170         (Output_symtab_xindex::do_write): New function.
13171         (Output_symtab_xindex::endian_do_write): New function.
13172         * output.h (class Output_section_headers): Add shstrtab_section_.
13173         Update declarations.
13174         (class Output_symtab_xindex): Define.
13175         (Output_section::has_out_shndx): New function.
13176         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13177         field.
13178         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13179         Change all callers.
13180         (Sized_symbol::init): Likewise.
13181         (Symbol::output_section): Check for ordinary symbol.
13182         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13183         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13184         callers.
13185         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13186         Change all callers.  Simplify handling of symbols from sections
13187         not included in the link.
13188         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13189         distinction.
13190         (Weak_alias_sorter::operator()): Assert that symbols are
13191         ordinary.
13192         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13193         distinction.
13194         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13195         parameters.  Change all callers.
13196         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13197         symbol distinction.  Use SHN_XINDEX when needed.
13198         (Symbol_table::write_section_symbol): Add symtab_xindex
13199         parameter.  Change all callers.
13200         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13201         SHN_XINDEX when needed.
13202         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13203         declarations.
13204         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13205         (Symbol::is_defined): Check is_ordinary.
13206         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13207         (Symbol::is_absolute, Symbol::is_common): Likewise.
13208         (class Sized_symbol): Update declarations.
13209         (class Symbol_table): Update declarations.
13210         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13211         parameters.  Change all callers.
13212         (Sized_symbol::override): Likewise.
13213         (Symbol_table::override): Likewise.
13214         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13215         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13216         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13217         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13218         to be in an ordinary section.
13219         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13220         object and is_ordinary parameters.  Change all callers.
13221         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13222         Change all callers.  Don't add undefined or non-ordinary symbols
13223         to reloc_map_.
13224         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13225         Change all callers.
13226         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13227         declarations.
13228         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13229         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13230         (Sized_relobj::relocate_sections): Likewise.
13231         * target-reloc.h (scan_relocs): Adjust section symbol index.
13232         (scan_relocatable_relocs): Likewise.
13233         * i386.cc (Scan::local): Check for ordinary symbols.
13234         * sparc.cc (Scan::local): Likewise.
13235         * x86_64.cc (Scan::local): Likewise.
13236         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13237         to symbol_section_and_value.
13238         * testsuite/many_sections_test.cc: New file.
13239         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13240         (check_PROGRAMS): Add many_sections_test.
13241         (many_sections_test_SOURCES): Define.
13242         (many_sections_test_DEPENDENCIES): Define.
13243         (many_sections_test_LDFLAGS): Define.
13244         (BUILT_SOURCES): Add many_sections_define.h.
13245         (many_sections_define.h): New target.
13246         (BUILT_SOURCES): Add many_sections_check.h.
13247         (many_sections_check.h): New target.
13248         (check_PROGRAMS): Add many_sections_r_test.
13249         (many_sections_r_test_SOURCES): Define.
13250         (many_sections_r_test_DEPENDENCIES): Define.
13251         (many_sections_r_test_LDFLAGS): Define.
13252         (many_sections_r_test_LDADD): Define.
13253         (many_sections_r_test.o): New target.
13254         * testsuite/Makefile.in: Rebuild.
13255
13256 2008-04-17  Cary Coutant  <ccoutant@google.com>
13257
13258         * errors.cc (Errors::info): New function.
13259         (gold_info): New function.
13260         * errors.h (Errors::info): New function.
13261         * gold.h (gold_info): New function.
13262         * object.cc (Input_objects::add_object): Print trace output.
13263         * options.cc (options::parse_set): New function.
13264         (General_options::parse_wrap): Deleted.
13265         (General_options::General_options): Deleted initializer.
13266         * options.h (options::String_set): New typedef.
13267         (options::parse_set): New function.
13268         (DEFINE_set): New macro.
13269         (General_options::wrap): Changed to use DEFINE_set. Changed
13270         callers of any_wrap_symbols and is_wrap_symbol.
13271         (General_options::trace, General_options::trace_symbol):
13272         New options.
13273         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13274         (General_options::wrap_symbols_): Deleted.
13275         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13276
13277 2008-04-17  David S. Miller  <davem@davemloft.net>
13278
13279         * options.cc (General_options::parse_V): New function.
13280         * options.h: Add entries for -V and -Qy.
13281
13282 2008-04-17  Ian Lance Taylor  <iant@google.com>
13283
13284         * common.cc (Symbol_table::allocate_commons): Remove options
13285         parameter.  Change caller.
13286         (Symbol_table::do_allocate_commons): Remove options parameter.
13287         Change caller.  Just call do_allocate_commons_list twice.
13288         (Symbol_table::do_allocate_commons_list): New function, broken out
13289         of do_allocate_commons.
13290         * common.h (class Allocate_commons_task): Remove options_ field.
13291         Update constructor.
13292         * symtab.cc (Symbol_table::Symbol_table): Initialize
13293         tls_commons_.
13294         (Symbol_table::add_from_object): Put TLS common symbols on
13295         tls_commons_ list.
13296         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13297         which are IN_OUTPUT_DATA.
13298         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13299         allocate_commons and do_allocate_commons declarations.  Declare
13300         do_allocate_commons_list.
13301         * gold.cc (queue_middle_tasks): Update creation of
13302         Allocate_commons_task to not pass options.
13303         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13304         (TLS_TEST_C_FLAGS): New variable.
13305         (tls_test_c_pic.o): New target.
13306         (tls_test_shared.so): Link in tls_test_c_pic.o.
13307         (tls_test_c_pic_ie.o): New target.
13308         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13309         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13310         (tls_test_c.o): New target.
13311         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13312         (tls_pic_test_LDADD): Likewise.
13313         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13314         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13315         (tls_test_c_gnu2.o): New target.
13316         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13317         tls_test_c_gnu2.o.
13318         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13319         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13320         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13321         * testsuite/tls_test.cc: Include "config.h".
13322         (t_last): Call t11_last.
13323         * testsuite/tls_test.h (t11, t11_last): Declare.
13324         * testsuite/tls_test_c.c: New file.
13325         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13326         * configure.ac: Check for OpenMP support.
13327         * configure, config.in, Makefile.in: Rebuild.
13328         * testsuite/Makefile.in: Rebuild.
13329
13330 2008-04-16  Cary Coutant  <ccoutant@google.com>
13331
13332         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13333         (Target_i386::tls_base_symbol_defined_): New field.
13334         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13335         (Target_i386::Scan::global): Likewise.
13336         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13337         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13338         (Target_x86_64::tls_base_symbol_defined_): New field.
13339         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13340         (Target_x86_64::Scan::global): Likewise.
13341
13342 2008-04-16  Cary Coutant  <ccoutant@google.com>
13343
13344         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13345         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13346         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13347         building shared libraries.
13348         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13349         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13350         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13351         * testsuite/Makefile.in: Rebuild.
13352         * testsuite/weak_undef.h: New file.
13353         * testsuite/weak_undef_file1.cc: Add extra test cases.
13354         * testsuite/weak_undef_file2.cc: Likewise.
13355         * testsuite/weak_undef_test.cc: Likewise.
13356
13357 2008-04-16  David S. Miller  <davem@davemloft.net>
13358
13359         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13360         Add issued_non_pic_error_ field.  Declare check_non_pic.
13361         (Target_sparc::Scan::check_non_pic): New function.
13362         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13363         (Target_sparc::Scan::global): Likewise.
13364
13365         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13366         * configure: Rebuild.
13367
13368         * options.h (DEFINE_enable): New macro.
13369         (new_dtags): New enable option.
13370         (initfirst, interpose, loadfltr, nodefaultlib,
13371         nodelete, nodlopen, nodump): New -z options.
13372         * layout.cc (Layout:finish_dynamic_section): If new
13373         dtags enabled, emit DT_RUNPATH.  Also, emit a
13374         DT_FLAGS_1 containing any specified -z flags.
13375
13376 2008-04-16  Ian Lance Taylor  <iant@google.com>
13377
13378         * copy-relocs.cc: New file.
13379         * copy-relocs.h: New file.
13380         * reloc.cc: Remove Copy_relocs code.
13381         * reloc.h: Likewise.
13382         * reloc-types.h (struct Reloc_types) [both versions]: Add
13383         get_reloc_addend_noerror.
13384         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13385         variants of add_global which take an addend which must be zero.
13386         * i386.cc: Include "copy-relocs.h".
13387         (class Target_i386): Change type of copy_relocs_ to variable,
13388         update initializer.
13389         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13390         Change all callers.
13391         (Target_i386::do_finalize_sections): Change handling of
13392         copy_relocs_.
13393         * sparc.cc: Include "copy-relocs.h".
13394         (class Target_sparc): Change type of copy_relocs_ to variable,
13395         update initializer.
13396         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13397         Change all callers.
13398         (Target_sparc::do_finalize_sections): Change handling of
13399         copy_relocs_.
13400         * x86_64.cc: Include "copy-relocs.h".
13401         (class Target_x86_64): Change type of copy_relocs_ to variable,
13402         update initializer.
13403         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13404         class.  Change all callers.
13405         (Target_x86_64::do_finalize_sections): Change handling of
13406         copy_relocs_.
13407         * Makefile.am (CCFILES): Add copy-relocs.cc.
13408         (HFILES): Add copy-relocs.h.
13409
13410         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13411
13412         * testsuite/script_test_4.sh: Permit leading zeroes.
13413
13414 2008-04-15  Ian Lance Taylor  <iant@google.com>
13415
13416         * script-sections.cc (Script_sections::create_segments): Use
13417         header_size_adjustment even when there is enough room for the
13418         headers.
13419         * testsuite/script_test_4.sh: New file.
13420         * testsuite/script_test_4.t: New file.
13421         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13422         (check_DATA): Add script_test_4.stdout.
13423         (MOSTLYCLEANFILES): Likewise.
13424         (script_test_4): New target.
13425         (script_test_4.stdout): New target.
13426         * testsuite/Makefile.in: Rebuild.
13427
13428         * sparc.cc: Add definitions for Output_data_plt_sparc class
13429         constants.
13430
13431 2008-04-14  David S. Miller  <davem@davemloft.net>
13432
13433         * sparc.cc: New file.
13434         * Makefile.am (TARGETSOURCES): Add sparc.cc
13435         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13436         * configure.tgt: Document targ_extra_size and
13437         targ_extra_big_endian.  Add entries for sparc-* and
13438         sparc64-*.
13439         * configure.ac: Handle targ_extra_size and
13440         targ_extra_big_endian.
13441         * Makefile.in: Rebuild.
13442         * configure: Likewise.
13443         * po/POTFILES.in: Likewise.
13444         * po/gold.pot: Likewise.
13445
13446 2008-04-14  Ian Lance Taylor  <iant@google.com>
13447
13448         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13449         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13450         in the name/type/flags to section mapping.  Don't call
13451         allocate_output_section.
13452         (Layout::choose_output_section): Change parameter from adjust_name
13453         to is_input_section.  Don't permit input sections after sections
13454         are attached to segments.  Don't call allocate_output_section.
13455         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13456         not write_enable_output_section.
13457         (Layout::make_output_section): Don't push to
13458         unattached_section_list_ nor call attach_to_segment.  Call
13459         attach_section_to_segment if sections are attached.
13460         (Layout::attach_sections_to_segments): New function.
13461         (Layout::attach_section_to_segment): New function.
13462         (Layout::attach_allocated_section_to_segment): Rename from
13463         attach_to_segment.  Remove flags parameter.
13464         (Layout::allocate_output_section): Remove function.
13465         (Layout::write_enable_output_section): Remove function.
13466         * layout.h (class Layout): Update for above changes.  Add new
13467         field sections_are_attached_.
13468         * output.h (Output_section::update_flags_for_input_section): New
13469         function.
13470         * output.cc (Output_section::add_input_section): Call
13471         update_flags_for_input_section.
13472         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13473
13474 2008-04-11  Cary Coutant  <ccoutant@google.com>
13475
13476         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13477         thought unnecessary.
13478         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13479
13480 2008-04-11  Ian Lance Taylor  <iant@google.com>
13481
13482         * output.h (class Output_section_data): Remove inline definition
13483         of set_addralign.
13484         * output.cc (Output_section_data::set_addralign): New function.
13485
13486 2008-04-11  Cary Coutant  <ccoutant@google.com>
13487
13488         Add support for TLS descriptors for i386 and x86_64.
13489         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13490         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13491         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13492         GOT_TYPE_TLS_DESC.
13493         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13494         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13495         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13496         relocations.
13497         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13498         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13499         Fix problem with initial-exec relocations.
13500         (Target_i386::Relocate::relocate_tls): Likewise.
13501         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13502         relaxation.
13503         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13504         support for section-plus-offset dynamic table entries.
13505         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13506         (Output_data_dynamic::Dynamic_entry): Add support for
13507         section-plus-offset dynamic table entries.
13508         (Output_data_dynamic::Classification): Likewise.
13509         (Output_data_dynamic::classification_): Renamed offset_.
13510         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13511         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13512         (Target_x86_64::make_plt_section): New function.
13513         (Target_x86_64::reserve_tlsdesc_entries): New function.
13514         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13515         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13516         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13517         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13518         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13519         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13520         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13521         add extra PLT entry for TLS descriptors.
13522         (Output_data_plt_x86_64::got_): New field.
13523         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13524         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13525         fields.
13526         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13527         descriptors.
13528         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13529         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13530         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13531         R_386_TLS_DESC_CALL relocations.
13532         (Target_x86_64::Scan::global): Likewise.
13533         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13534         for TLS descriptors.
13535         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13536         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13537         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13538         GD-to-IE relaxation.
13539         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13540         and TLS_DESCRIPTORS.
13541         * Makefile.in: Rebuild.
13542         * configure: Rebuild.
13543         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13544         (tls_test_shared2.so): New target.
13545         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13546         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13547         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13548         (tls_shared_gd_to_ie_test_LDADD): New variable.
13549         (tls_shared_gnu2_gd_to_ie_test): New target.
13550         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13551         New targets.
13552         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13553         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13554         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13555         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13556         (tls_shared_gnu2_test): New target.
13557         (tls_test_gnu2_shared.so): New target.
13558         (tls_shared_gnu2_test_SOURCES): New variable.
13559         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13560         (tls_shared_gnu2_test_LDFLAGS): New variable.
13561         (tls_shared_gnu2_test_LDADD): New variable.
13562         * testsuite/Makefile.in: Rebuild.
13563         * testsuite/Makefile.
13564
13565 2008-04-11  Ian Lance Taylor  <iant@google.com>
13566
13567         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13568         justsyms.t.
13569         * testsuite/Makefile.in: Rebuild.
13570
13571         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13572         long.
13573         * testsuite/script_test_2.cc (main): Adjust test.
13574
13575 2008-04-11  David S. Miller  <davem@davemloft.net>
13576             Ian Lance Taylor  <iant@google.com>
13577
13578         * options.h (General_options): Add entries for '-Y' and
13579         '-relax'.
13580         * options.cc (General_options:finalize): If -Y was used, add those
13581         entries to the library path instead of the default "/lib" and
13582         "/usr/lib".
13583
13584 2008-04-11  David S. Miller  <davem@davemloft.net>
13585
13586         * testsuite/justsyms.t: Start at 0x100.
13587         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13588         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13589         long.
13590         * testsuite/script_test_2.cc: Adjust string and section length
13591         checks.
13592
13593 2008-04-09  Ian Lance Taylor  <iant@google.com>
13594
13595         PR gold/5996
13596         * script-sections.cc (Sections_element::allocate_to_segment): Add
13597         orphan parameter.
13598         (Output_section_definition::allocate_to_segment): Likewise.
13599         (Orphan_output_section::allocate_to_segment): Likewise.
13600         (Script_sections::attach_sections_using_phdrs_clause): Don't
13601         propagate non-PT_LOAD segments to orphan sections.
13602         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13603         readelf rather than objdump.
13604         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13605         .interp section and PT_INTERP segment are the same size.
13606         * testsuite/Makefile.in: Rebuild.
13607
13608         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13609         aliases for symbols defined in the same object.
13610         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13611         (weak_alias_test_SOURCES): New variable.
13612         (weak_alias_test_DEPENDENCIES): New variable.
13613         (weak_alias_test_LDFLAGS): New variable.
13614         (weak_alias_test_LDADD): New variable.
13615         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13616         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13617         (weak_alias_test_3.o): New target.
13618         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13619         * testsuite/weak_alias_test_main.cc: New file.
13620         * testsuite/weak_alias_test_1.cc: New file.
13621         * testsuite/weak_alias_test_2.cc: New file.
13622         * testsuite/weak_alias_test_3.cc: New file.
13623
13624 2008-04-08  Ian Lance Taylor  <iant@google.com>
13625
13626         * options.h (class General_options): Add --noinhibit-exec option.
13627         * main.cc (main): Check --noinhibit-exec.
13628
13629         * options.h (class General_options): Define --wrap as a special
13630         option.  Add wrap_symbols_ field.
13631         (General_options::any_wrap_symbols): New function.
13632         (General_options::is_wrap_symbol): New function.
13633         * options.cc (General_options::parse_wrap): New function.
13634         (General_options::General_options): Initialize wrap_symbols_.
13635         * symtab.cc (Symbol_table::wrap_symbol): New function.
13636         (Symbol_table::add_from_object): Handle --wrap.
13637         * symtab.h (class Symbol_table): Declare wrap_symbol.
13638         * target.h (Target::wrap_char): New function.
13639         (Target::Target_info): Add wrap_char field.
13640         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13641         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13642         * testsuite/testfile.cc (Target_test::test_target_info):
13643         Likewise.
13644
13645         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13646         there is one.
13647
13648         * layout.h (class Layout): Add added_eh_frame_data_ field.
13649         * layout.cc (Layout::Layout): Initialize new field.
13650         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13651         output section until we find a section we merged successfully.
13652         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13653         that the size be non-zero.
13654
13655         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13656         qualifier.
13657
13658 2008-04-08  Craig Silverstein  <csilvers@google.com>
13659
13660         * configure.ac: Export new conditional variable HAVE_ZLIB.
13661         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13662         on HAVE_ZLIB.
13663         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13664         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13665
13666 2008-04-07  Ian Lance Taylor  <iant@google.com>
13667
13668         * version.cc (version_string): Set to "1.5".
13669
13670         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13671         Add issued_non_pic_error_ field.  Declare check_non_pic.
13672         (Target_x86_64::Scan::check_non_pic): New function.
13673         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13674         (Target_x86_64::Scan::global): Likewise.
13675
13676         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13677         addend parameter.  Change caller.  Handle merge sections.
13678         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13679         Address to Addend.  Don't add in the result of
13680         local_section_offset, pass down the addend and use the returned
13681         value.
13682         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13683         Update declarations of local_section_offset and symbol_value.
13684         * testsuite/two_file_test_1.cc (t18): New function.
13685         * testsuite/two_file_test_2.cc (f18): New function.
13686         * testsuite/two_file_test_main.cc (main): Call t18.
13687         * testsuite/two_file_test.h (t18, f18): Declare.
13688
13689         * configure.ac: Don't test for objdump, c++filt, or readelf.
13690         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13691         conditionals.
13692         (TEST_READELF): New variable.
13693         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13694         (check_PROGRAMS): Add two_file_strip_test.
13695         (two_file_strip_test): New target.
13696         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13697         (two_file_same_shared_strip_test_SOURCES): New variable.
13698         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13699         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13700         (two_file_same_shared_strip_test_LDADD): New variable.
13701         (two_file_shared_strip.so): New target.
13702         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13703         (ver_test_5.syms, ver_test_7.syms): Likewise.
13704         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13705         (strip_test_3.stdout): Use TEST_OBJDUMP.
13706         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13707
13708 2008-04-04  Cary Coutant  <ccoutant@google.com>
13709
13710         * symtab.h (Symbol::is_weak_undefined): New function.
13711         (Symbol::is_strong_undefined): New function.
13712         (Symbol::is_absolute): New function.
13713         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13714         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13715         absolute symbols.
13716         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13717         (weak_undef_test): New target.
13718         * testsuite/Makefile.in: Rebuild.
13719         * testsuite/weak_undef_file1.cc: New file.
13720         * testsuite/weak_undef_file2.cc: New file.
13721         * testsuite/weak_undef_test.cc: New file.
13722
13723 2008-04-03  Craig Silverstein  <csilvers@google.com>
13724
13725         * compressed_output.h (class Output_compressed_section): Use
13726         unsigned buffer.
13727         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13728         add zlib header.
13729         (zlib_compressed_suffix): Removed.
13730         (Output_compressed_section::set_final_data_size): Use unsigned
13731         buffers.
13732         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13733         Fix linker invocation.
13734         (flagstest_o_specialfile_and_compress_debug_sections):
13735         Likewise.
13736         * testsuite/Makefile.in: Regenerated.
13737
13738 2008-04-02  David S. Miller  <davem@davemloft.net>
13739
13740         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13741         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13742
13743 2008-04-02  Craig Silverstein  <csilvers@google.com>
13744
13745         * TODO: New file.
13746
13747 2008-04-02  Ian Lance Taylor  <iant@google.com>
13748
13749         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13750         parameters.  Update for new key type to views_.  Change all
13751         callers.
13752         (File_read::read): Adjust for byteshift in returned view.
13753         (File_read::add_view): New function, broken out of
13754         find_and_make_view.
13755         (File_read::make_view): New function, broken out of
13756         find_and_make_view.
13757         (File_read::find_or_make_view): Add offset and aligned
13758         parameters.  Rewrite accordingly.  Change all callers.
13759         (File_read::get_view): Add offset and aligned parameters.  Adjust
13760         for byteshift in return value.
13761         (File_read::get_lasting_view): Likewise.
13762         * fileread.h (class File_read): Update declarations.
13763         (class File_read::View): Add byteshift_ field.  Add byteshift to
13764         constructor.  Add byteshift method.
13765         * archive.h (Archive::clear_uncached_views): New function.
13766         (Archive::get_view): Add aligned parameter.  Change all callers.
13767         * object.h (Object::get_view): Add aligned parameter.  Change all
13768         callers.
13769         (Object::get_lasting_view): Likewise.
13770
13771         * fileread.cc (File_read::release): Don't call clear_views if
13772         there are multiple objects.
13773         * fileread.h (File_read::clear_uncached_views): New function.
13774         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13775         on the archive.
13776
13777 2008-03-31  Cary Coutant  <ccoutant@google.com>
13778
13779         Add thin archive support.
13780         * archive.cc (Archive::armagt): New const.
13781         (Archive::setup): Remove task parameter and calls to unlock.
13782         (Archive::unlock_nested_archives): New function.
13783         (Archive::read_header): Add nested_off parameter. Change
13784         all callers.
13785         (Archive::interpret_header): Likewise.
13786         (Archive::include_all_members): Change to handle thin
13787         archives.
13788         (Archive::include_member): Likewise.
13789         * archive.h (Archive::Archive): Add new parameters and
13790         initializers.
13791         (Archive::armagt): New const.
13792         (Archive::setup): Remove task parameter.
13793         (Archive::unlock_nested_archives): New function.
13794         (Archive::read_header): Add nested_off parameter.
13795         (Archive::interpret_header): Likewise.
13796         (Archive::Nested_archive_table): New typedef.
13797         (Archive::is_thin_archive_): New field.
13798         (Archive::nested_archives_): New field.
13799         (Archive::options_): New field.
13800         (Archive::dirpath_): New field.
13801         (Archive::task_): New field.
13802         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13803         for thin archives.  Pass additional parameters to
13804         Archive::Archive.  Unlock the archive file after calling
13805         Archive::setup.
13806
13807 2008-03-29  Ian Lance Taylor  <iant@google.com>
13808
13809         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13810         version symbol to be local.
13811         * testsuite/ver_test_4.sh: New file.
13812         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13813         (check_DATA): Add ver_test_4.syms.
13814         (ver_test_4.syms): New target.
13815         * testsuite/Makefile.in: Rebuild.
13816
13817         * output.cc
13818         (Output_section::Input_section_sort_entry::has_priority): New
13819         function.
13820         (Output_section::Input_section_sort_entry::match_file_name): New
13821         function.
13822         (Output_section::Input_section_sort_entry::match_section_name):
13823         Remove.
13824         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13825         Remove.
13826         (Output_section::Input_section_sort_entry::match_section_file):
13827         Remove.
13828         (Output_section::Input_section_sort_compare::operator()): Rewrite
13829         using new Input_section_sort_entry functions.  Sort crtbegin and
13830         crtend first.  Sort sections with no priority before sections with
13831         a priority.
13832         * testsuite/initpri1.c (d3): Check j != 4.
13833         (cd5): New constructor/destructor function.
13834         (main): Check j != 2.
13835
13836         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13837         new symbol when resolving, don't call set_is_default.
13838         * testsuite/ver_test_7.cc: New file.
13839         * testsuite/ver_test_7.sh: New file.
13840         * testsuite/Makefile.am (ver_test_7.so): New target.
13841         (ver_test_7.o): New target.
13842         (check_SCRIPTS): Add ver_test_7.sh.
13843         (check_DATA): Add ver_test_7.syms.
13844         (ver_test_7.syms): New target.
13845
13846 2008-03-28  Ian Lance Taylor  <iant@google.com>
13847
13848         * layout.cc (Layout::layout): If we see an input section with a
13849         name that needs sorting, set the must_sort flag for the output
13850         section.
13851         (Layout::make_output_section): If the name of the output section
13852         indicates that it might require sorting, set the may_sort flag.
13853         * output.h (Output_section::may_sort_attached_input_sections): New
13854         function.
13855         (Output_section::set_may_sort_attached_input_sections): New
13856         function.
13857         (Output_section::must_sort_attached_input_sections): New
13858         function.
13859         (Output_section::set_must_sort_attached_input_sections): New
13860         function.
13861         (class Output_section): Declare Input_section_sort_entry.  Define
13862         Input_section_sort_compare.  Declare
13863         sort_attached_input_sections.  Add new fields:
13864         may_sort_attached_input_sections_,
13865         must_sort_attached_input_sections_,
13866         attached_input_sections_are_sorted_.
13867         * output.cc (Output_section::Output_section): Initialize new
13868         fields.
13869         (Output_section::add_input_section): Add an entry to
13870         input_sections_ if may_sort or must_sort are true.
13871         (Output_section::set_final_data_size): Call
13872         sort_attached_input_sections if necessary.
13873         (Output_section::Input_section_sort_entry): Define new class.
13874         (Output_section::Input_section_sort_compare::operator()): New
13875         function.
13876         (Output_section::sort_attached_input_sections): New function.
13877         * configure.ac: Check whether the compiler supports constructor
13878         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13879         * testsuite/initpri1.c: New file.
13880         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13881         CONSTRUCTOR_PRIORITY.
13882         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13883         (initpri1_LDFLAGS): New variable.
13884         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13885
13886 2008-03-27  Ian Lance Taylor  <iant@google.com>
13887
13888         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13889         * testsuite/common_test_1.c: New file.
13890         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13891         (common_test_1_SOURCES): New variable.
13892         (common_test_1_DEPENDENCIES): New variable.
13893         (common_test_1_LDFLAGS): New variable.
13894
13895         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13896         and commons_ correctly when NAME/VERSION does not override
13897         NAME/NULL.
13898         * testsuite/ver_test_6.c: New file.
13899         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13900         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13901         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13902
13903 2008-03-26  Ian Lance Taylor  <iant@google.com>
13904
13905         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13906         of an undefined symbol from a version script.
13907         * testsuite/Makefile.am (ver_test_5.so): New target.
13908         (ver_test_5.o): New target.
13909         (check_SCRIPTS): Add ver_test_5.sh.
13910         (check_DATA): Add ver_test_5.syms.
13911         (ver_test_5.syms): New target.
13912         * testsuite/ver_test_5.cc: New file.
13913         * testsuite/ver_test_5.script: New file.
13914         * testsuite/ver_test_5.sh: New file.
13915         * Makefile.in, testsuite/Makefile.in: Rebuild.
13916
13917         PR gold/5986
13918         Fix problems building gold with gcc 4.3.0.
13919         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13920         (gold_error_at_location, gold_warning_at_location): Use it.
13921         * configure.ac: Check whether we can compile and use a template
13922         function with a printf attribute.
13923         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13924         when jumping over bytes.
13925         * object.cc: Instantiate Object::read_section_data.
13926         * debug.h: Include <cstring>
13927         * dwarf_reader.cc: Include <algorithm>
13928         * main.cc: Include <cstring>.
13929         * options.cc: Include <cstring>.
13930         * output.cc: Include <cstring>.
13931         * script.cc: Include <cstring>.
13932         * script.h: Include <string>.
13933         * symtab.cc: Include <cstring> and <algorithm>.
13934         * target-select.cc: Include <cstring>.
13935         * version.cc: Include <string>.
13936         * testsuite/testmain.cc: Include <cstdlib>.
13937         * configure, config.in: Rebuild.
13938
13939 2008-03-25  Ian Lance Taylor  <iant@google.com>
13940
13941         * options.cc: Include "../bfd/bfdver.h".
13942         (options::help): Print bug reporting address.
13943
13944         * version.cc (print_version): Adjust output for current value of
13945         BFD_VERSION_STRING.
13946
13947         * NEWS: New file.
13948
13949         * options.cc (options::help): Print list of supported targets.
13950         * target-select.h: Include <vector>.
13951         (class Target_selector): Make machine_, size_, and is_big_endian_
13952         fields const.  Add bfd_name_ and instantiated_target_ fields.
13953         (Target_selector::Target_selector): Add bfd_name parameter.
13954         (Target_selector::recognize): Make non-virtual, call
13955         do_recognize.
13956         (Target_selector::recognize_by_name): Make non-virtual, call
13957         do_recognize_by_name.
13958         (Target_selector::supported_names): New function.
13959         (Target_selector::bfd_name): New function.
13960         (Target_selector::do_instantiate_target): New pure virtual
13961         function.
13962         (Target_selector::do_recognize): New virtual function.
13963         (Target_selector::do_recognize_by_name): New virtual function.
13964         (Target_selector::instantiate_target): New private function.
13965         (supported_target_names): Declare.
13966         * target-select.cc (Target_selector::Target_selector): Update for
13967         new parameter and fields.
13968         (select_target_by_name): Check that the name matches before
13969         calling recognize_by_name.
13970         (supported_target_names): New function.
13971         * i386.cc (class Target_selector_i386): Update Target_selector
13972         constructor call.  Remove recognize and recognize_by_name.  Add
13973         do_instantiate_target.
13974         * x86_64.cc (class Target_selector_x86_64): Likewise.
13975         * testsuite/testfile.cc (class Target_selector_test): Update for
13976         changes to Target_selector.
13977
13978         * README: Rewrite, with some notes on unsupported features.
13979
13980 2008-03-24  Cary Coutant  <ccoutant@google.com>
13981
13982         * i386.cc (Target_i386::Got_type): New enum declaration.
13983         (Target_i386::Scan::local): Updated callers of Output_data_got
13984         member functions.
13985         (Target_i386::Scan::global): Likewise.
13986         (Target_i386::Relocate::relocate): Likewise.
13987         (Target_i386::Relocate::relocate_tls): Likewise.
13988         * object.h (Got_offset_list): New class.
13989         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13990         (Sized_relobj::local_got_offset): Likewise.
13991         (Sized_relobj::set_local_got_offset): Likewise.
13992         (Sized_relobj::local_has_tls_got_offset): Removed.
13993         (Sized_relobj::local_tls_got_offset): Removed.
13994         (Sized_relobj::set_local_tls_got_offset): Removed.
13995         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13996         * output.cc (Output_data_got::add_global): Added got_type parameter.
13997         (Output_data_got::add_global_with_rel): Likewise.
13998         (Output_data_got::add_global_with_rela): Likewise.
13999         (Output_data_got::add_global_pair_with_rel): New function.
14000         (Output_data_got::add_global_pair_with_rela): New function.
14001         (Output_data_got::add_local): Added got_type parameter.
14002         (Output_data_got::add_local_with_rel): Likewise.
14003         (Output_data_got::add_local_with_rela): Likewise.
14004         (Output_data_got::add_local_pair_with_rel): New function.
14005         (Output_data_got::add_local_pair_with_rela): New function.
14006         (Output_data_got::add_global_tls): Removed.
14007         (Output_data_got::add_global_tls_with_rel): Removed.
14008         (Output_data_got::add_global_tls_with_rela): Removed.
14009         (Output_data_got::add_local_tls): Removed.
14010         (Output_data_got::add_local_tls_with_rel): Removed.
14011         (Output_data_got::add_local_tls_with_rela): Removed.
14012         * output.h (Output_data_got::add_global): Added got_type parameter.
14013         (Output_data_got::add_global_with_rel): Likewise.
14014         (Output_data_got::add_global_with_rela): Likewise.
14015         (Output_data_got::add_global_pair_with_rel): New function.
14016         (Output_data_got::add_global_pair_with_rela): New function.
14017         (Output_data_got::add_local): Added got_type parameter.
14018         (Output_data_got::add_local_with_rel): Likewise.
14019         (Output_data_got::add_local_with_rela): Likewise.
14020         (Output_data_got::add_local_pair_with_rel): New function.
14021         (Output_data_got::add_local_pair_with_rela): New function.
14022         (Output_data_got::add_global_tls): Removed.
14023         (Output_data_got::add_global_tls_with_rel): Removed.
14024         (Output_data_got::add_global_tls_with_rela): Removed.
14025         (Output_data_got::add_local_tls): Removed.
14026         (Output_data_got::add_local_tls_with_rel): Removed.
14027         (Output_data_got::add_local_tls_with_rela): Removed.
14028         * resolve.cc (Symbol::override_base_with_special): Removed
14029         reference to has_got_offset_ field.
14030         * symtab.cc (Symbol::init_fields): Replaced initialization
14031         of got_offset_ with got_offsets_.  Removed initialization
14032         of has_got_offset_
14033         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14034         (Symbol::got_offset): Likewise.
14035         (Symbol::set_got_offset): Likewise.
14036         (Symbol::has_tls_got_offset): Removed.
14037         (Symbol::tls_got_offset): Removed.
14038         (Symbol::set_tls_got_offset): Removed.
14039         (Symbol::got_offset_): Removed.
14040         (Symbol::tls_mod_got_offset_): Removed.
14041         (Symbol::tls_pair_got_offset_): Removed.
14042         (Symbol::got_offsets_): New field.
14043         (Symbol::has_got_offset): Removed.
14044         (Symbol::has_tls_mod_got_offset): Removed.
14045         (Symbol::has_tls_pair_got_offset): Removed.
14046         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14047         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14048         member functions.
14049         (Target_x86_64::Scan::global): Likewise.
14050         (Target_x86_64::Relocate::relocate): Likewise.
14051         (Target_x86_64::Relocate::relocate_tls): Likewise.
14052
14053 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14054
14055         * yyscript.y: Fix spelling error in comment.
14056
14057 2008-03-24  Ian Lance Taylor  <iant@google.com>
14058
14059         * options.h (class General_options): Define build_id option.
14060         * layout.h (class Layout): Declare write_build_id, create_note,
14061         create_build_id.  Add build_id_note_ member.
14062         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14063         "libiberty.h", "md5.h", "sha1.h".
14064         (Layout::Layout): Initialize eh_frame_data_,
14065         eh_frame_hdr_section_, and build_id_note_.
14066         (Layout::finalize): Call create_build_id.
14067         (Layout::create_note): New function, broken out of
14068         Layout::create_gold_note.
14069         (Layout::create_gold_note): Call create_note.
14070         (Layout::create_build_id): New function.
14071         (Layout::write_build_id): New function.
14072         (Close_task_runner::run): Call write_build_id.
14073
14074         * x86_64.cc: Correct license to GPLv3.
14075
14076 2008-03-23  Ian Lance Taylor  <iant@google.com>
14077
14078         * options.cc: Include "demangle.h".
14079         (parse_optional_string): New function.
14080         (parse_long_option): Handle takes_optional_argument.
14081         (parse_short_option): Update dash_z initializer.  Handle
14082         takes_optional_argument.
14083         (General_options::General_options): Initialize do_demangle_.
14084         (General_options::finalize): Set do_demangle_.  Handle demangling
14085         style.
14086         * options.h (parse_optional_string): Declare.
14087         (struct One_option): Add optional_arg field.  Update constructor.
14088         Update call constructor calls.  Add takes_optional_argument
14089         function.
14090         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14091         (DEFINE_optional_string): Define.
14092         (General_options::demangle): Change from DEFINE_bool to
14093         DEFINE_optional_string.
14094         (General_options::no_demangle): New function.
14095         (General_options::do_demangle): New function.
14096         (General_options::set_do_demangle): New function.
14097         (General_options::execstack_status_): Move definition to end of
14098         class definition.
14099         (General_options::static_): Likewise.
14100         (General_options::do_demangle_): New field.
14101         * object.cc (big_endian>::get_symbol_location_info): Call
14102         Options::do_demangle, not Options::demangle.
14103         * symtab.cc (demangle): Likewise.
14104
14105 2008-03-22  Ian Lance Taylor  <iant@google.com>
14106
14107         * gold.h: Include <cstddef> and <sys/types.h>
14108         * options.h: Include <cstring>.
14109
14110 2008-03-21  Ian Lance Taylor  <iant@google.com>
14111
14112         * Added source code to GNU binutils.