* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
[external/binutils.git] / gold / ChangeLog
1 2012-11-30  Alan Modra  <amodra@gmail.com>
2
3         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
4         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
5         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
6         value if it already exists.
7
8 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
9
10         PR gold/14858
11         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
12
13 2012-11-14  Roland McGrath  <mcgrathr@google.com>
14
15         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
16         than bfc instruction for data sandboxing.
17
18 2012-11-08  Alan Modra  <amodra@gmail.com>
19
20         * po/POTFILES.in: Regenerate.
21
22 2012-11-05  Alan Modra  <amodra@gmail.com>
23
24         * configure.ac: Apply 2012-09-10 change to config.in here.
25         * configure: Regenerate.
26
27 2012-11-05  Alan Modra  <amodra@gmail.com>
28
29         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
30         (struct Opd_ent): Use "Address" rather than "Offset".
31         (Output_data_got_powerpc::got_base_offset): Return Valtype.
32         (Target_powerpc::got_section): Make public.
33         (Target_powerpc::scan_relocs): Move code setting symbols..
34         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
35         Create _SDA_BASE_ only when referenced.
36
37 2012-11-02  Roland McGrath  <mcgrathr@google.com>
38
39         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
40         from last change.
41
42 2012-11-01  Roland McGrath  <mcgrathr@google.com>
43
44         * target.h (Sized_target::relocate_relocs): Use Elf_Off
45         for offset_in_output_section parameter.
46         (Sized_target::relocate_special_relocatable): Likewise.
47         * arm.cc (Target_arm::relocate_relocs): Likewise.
48         (Target_arm::relocate_special_relocatable): Likewise.
49         * i386.cc (Target_i386::relocate_relocs): Likewise.
50         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
51         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
52         * target-reloc.h (relocate_relocs): Likewise.
53         * testsuite/testfile.cc (Target_test): Likewise.
54         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
55         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
56
57         * system.h: Move inclusion of <clocale> to after <libintl.h> in
58         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
59
60         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
61         parameter, which is unused in the [!F_SETFD] case.
62
63         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
64         SYMNDX to off_t before comparing it to this->data_size().
65         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
66         * incremental.cc (Output_section_incremental_inputs::do_write):
67         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
68
69         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
70
71 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
72
73         * gold.cc (Target_arm::do_adjust_elf_header): Add the
74         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
75         in EABI_VER5.
76
77 2012-10-29  Cary Coutant  <ccoutant@google.com>
78
79         * dwp.cc (usage): Add file and exit status parameters;
80         add --help and --version options.
81         (print_version): New function.
82         (main): Add --help and --version options.
83
84 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
85
86         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
87         final_layout_sequence.txt.
88         * testsuite/Makefile.in: Regenerated.
89
90 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
91
92         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
93         COMPILE generated by automake.
94         (LINK1): Likewise.
95         (CXXCOMPILE1): Likewise.
96         (CXXLINK1): Likewise.
97         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
98         (LINK): Likewise.
99         (CXXCOMPILE): Likewise.
100         (CXXLINK): Likewise.
101         * testsuite/Makefile.in: Regenerated.
102
103 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
104
105         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
106         on bad fwrite return.
107
108 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
109
110         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
111         on val.
112
113 2012-10-23  Cary Coutant  <ccoutant@google.com>
114
115         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
116         * testsuite/Makefile.in: Regenerate.
117         * testsuite/dwp_test.h: New source file.
118         * testsuite/dwp_test_1.cc: New source file.
119         * testsuite/dwp_test_1.s: New source file.
120         * testsuite/dwp_test_1.sh: New source file.
121         * testsuite/dwp_test_1b.cc: New source file.
122         * testsuite/dwp_test_1b.s: New source file.
123         * testsuite/dwp_test_2.cc: New source file.
124         * testsuite/dwp_test_2.s: New source file.
125         * testsuite/dwp_test_2.sh: New source file.
126         * testsuite/dwp_test_main.cc: New source file.
127         * testsuite/dwp_test_main.s: New source file.
128
129 2012-10-23  Cary Coutant  <ccoutant@google.com>
130
131         * dwp.h: New header file.
132         * dwp.cc: New source file.
133         * gold.h: Move shared declarations to system.h.
134         * system.h: New header file.
135         * Makefile.am: Add dwp.
136         * Makefile.in: Regenerate.
137
138 2012-10-23  Cary Coutant  <ccoutant@google.com>
139
140         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
141         Dwarf_info_reader::read_from_pointer.
142         (Dwarf_pubnames_table::read_header): Likewise.
143         (Dwarf_pubnames_table::next_name): Likewise.
144         (Dwarf_die::read_attributes): Likewise.
145         (Dwarf_die::skip_attributes): Likewise.
146         (Dwarf_info_reader::read_from_pointer): New function template.
147         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
148         (Dwarf_pubnames_table): Likewise.
149         (Dwarf_info_reader::read_from_pointer): New function template.
150         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
151         Dwarf_pubnames_table ctor.
152
153 2012-10-23  Cary Coutant  <ccoutant@google.com>
154
155         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
156         abbrev_shndx.
157         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
158         abbrev_shndx_.
159         (Dwarf_info_reader::set_abbrev_shndx): New method.
160         (Dwarf_info_reader::abbrev_shndx_): New data member.
161
162 2012-10-23  Cary Coutant  <ccoutant@google.com>
163
164         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
165         from object, not parameters.
166         (Dwarf_info_reader::parse): Likewise.
167         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
168         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
169         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
170         methods.
171
172 2012-10-23  Cary Coutant  <ccoutant@google.com>
173
174         * fileread.cc (Input_file::Input_file): New constructor.
175         * fileread.h (class Input_file): Add new constructor.
176
177 2012-10-18  Alan Modra  <amodra@gmail.com>
178
179         PR gold/14727
180         * object.cc (Relobj::is_section_name_included): Also match
181         .sdata personality section.
182
183 2012-10-18  Alan Modra  <amodra@gmail.com>
184
185         * target-reloc.h (class Default_comdat_behavior): New, package up..
186         (get_comdat_behaviour): ..this.
187         (relocate_section): Add Relocate_comdat_behavior template arg,
188         adjust code to suit.
189         * arm.cc (Target_arm::relocate_section): Adjust to suit.
190         (Target_arm::scan_reloc_section): Likewise.
191         * i386.cc (Target_i386::relocate_section): Likewise.
192         * sparc.cc (Target_sparc::relocate_section): Likewise.
193         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
194         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
195         * powerpc.cc (class Relocate_comdat_behavior): New.
196         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
197         gold::relocate_section with new template arg.
198
199 2012-10-18  Alan Modra  <amodra@gmail.com>
200
201         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
202         dynamic relocs for GOT_TPREL got entries, without symbol if
203         resolving locally.
204         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
205         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
206         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
207
208 2012-10-17  Alan Modra  <amodra@gmail.com>
209
210         PR gold/14726
211         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
212
213 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
214
215         * layout.cc (Layout::include_section): Keep sections marked
216         SHF_EXCLUDE when doing relocatable links.
217
218 2012-10-16  Alan Modra  <amodra@gmail.com>
219
220         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
221         (Target_powerpc::do_finalize_sections): Call it.
222         (Output_data_save_res): New class and supporting functions.
223         (Target_powerpc::symval_for_branch): Only look up .opd entry for
224         normal symbols defined in object files.
225
226 2012-10-12  Alan Modra  <amodra@gmail.com>
227
228         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
229         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
230         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
231         section if scan_opd_relocs not yet called.
232         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
233
234 2012-10-12  Alan Modra  <amodra@gmail.com>
235
236         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
237         add_local_ifunc_entry): Revert last change.
238         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
239
240 2012-10-05  Alan Modra  <amodra@gmail.com>
241
242         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
243         do_plt_address_for_global): New functions.
244         (Output_data_got_powerpc::do_write): Don't segfault when linking
245         statically.
246         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
247         add_local_ifunc_entry): Return true on adding entry..
248         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
249         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
250         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
251         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
252         set up symbols here.
253         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
254         syms here.  Do so even when no .iplt.  Don't segfault when linking
255         statically.
256         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
257         new variants without reloc param.
258         (Glink_sym_ent::Glink_sym_ent): Likewise.
259         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
260         reloc when refs will resolve to plt call stub.
261         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
262         R_PPC_PLTREL24 to resolve locally.
263         (Target_powerpc::Scan::global): Correct ifunc handling.
264         (Target_powerpc::Relocate::relocate): Correct local sym glink
265         lookup.  Don't destroy "value" when we have a plt call stub,
266         and when checking plt call validity.
267         (Target_powerpc::do_dynsym_value): Simplify.
268
269 2012-10-05  Alan Modra  <amodra@gmail.com>
270
271         * i386.cc (Output_data_plt_i386::address_for_global,
272         address_for_local): Add plt offset to returned value.  Adjust uses.
273         * sparc.cc (Output_data_plt_sparc::address_for_global,
274         address_for_local): Likewise.
275         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
276         address_for_local): Likewise.
277         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
278         address_for_local): Likewise.
279         * target.h (Target::plt_address_for_global, plt_address_for_local):
280         Update comment.
281         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
282         (Output_data_got::Got_entry::write): Nor here.
283         * output.h: Comment fix.
284
285 2012-10-02  Jiong Wang  <jiwang@tilera.com>
286
287         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
288         global_offset_table_ value for larget got.
289         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
290
291 2012-09-29  Alan Modra  <amodra@gmail.com>
292
293         * powerpc.cc (Target_powerpc::iplt_): New output section.
294         (Target_powerpc::iplt_section, make_iplt_section,
295         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
296         (Target_powerpc::make_plt_entry): Handle ifunc syms.
297         Target_powerpc::plt_entry_count): Count iplt entries too.
298         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
299         reloc section in constructor.  New params.
300         (Target_powerpc::make_plt_section): Create reloc section here instead.
301         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
302         functions.
303         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
304         (Output_data_glink::add_entry, find_entry): New functions to
305         deal with local syms.
306         (Glink_sym_ent): Add support for local syms.
307         (Output_data_glink::do_write): Handle ifunc plt entries.
308         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
309         (Target_powerpc::Scan::local, global): Handle ifunc syms.
310         (Target_powerpc::Relocate::relocate): Likewise.
311         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
312
313 2012-09-25  Alan Modra  <amodra@gmail.com>
314
315         * object.h (Sized_relobj_file::adjust_local_symbol,
316         do_adjust_local_symbol): New functions.
317         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
318         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
319         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
320         and irregular opd entry spacing.
321         (Powerpc_relobj::do_read_relocs): Add opd size checks.
322         (Global_symbol_visitor_opd): New functor.
323         (Target_powerpc::do_finalize_sections): Omit global symbols defined
324         on deleted opd entries.
325
326 2012-09-15  Jiong Wang  <jiwang@tilera.com>
327
328         * tilegx.cc: New file.
329         * Makefile.am (TARGETSOURCES): Add tilegx.cc
330         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
331         * configure.tgt: Add entries for tilegx*.
332         * configure.ac: Likewise.
333         * Makefile.in: Rebuild.
334         * configure: Likewise.
335         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
336         tilegx.
337
338 2012-09-13  Alan Modra  <amodra@gmail.com>
339
340         * target-reloc.h (scan_relocs): Call scan.local for relocs
341         against symbols in discarded sections.  Pass is_discarded
342         param.
343         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
344         Add is_discarded param.
345         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
346         is_discarded to flag opd entry as discarded.  Don't emit dyn
347         relocs on such entries.
348         (Target_powerpc::Scan::global): Similarly detect and handle
349         such opd entries.
350         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
351         opd_ent_.  Update all uses.
352         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
353         (Target_powerpc::relocate_section): Zero out discarded opd
354         entry relocs.
355
356 2012-09-12  Ian Lance Taylor  <iant@google.com>
357
358         PR gold/14570
359         * output.cc: Rename Output_data_got template parameter from size
360         to got_size for all functions.  Compile all variants of
361         Output_data_got.
362         (Output_data_got::Got_entry::write): Correct use of size for
363         symbol value.  Use local_is_tls rather than casting to
364         Sized_relobj_file.
365         * object.h (class Object): Add local_is_tls and do_local_is_tls.
366         (class Sized_relobj_file): Add do_local_is_tls.
367         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
368
369 2012-09-11  Alan Modra  <amodra@gmail.com>
370
371         PR gold/14566
372         * layout.cc (Layout::set_segment_offsets): When using
373         common-page-size alignment, ensure we are on a new max-page-size
374         page.
375         * output.cc (Output_segment::set_section_addresses): Use
376         abi_pagesize, not common_pagesize for relro boundary.
377         (Output_segment::set_offset): Likewise.
378
379 2012-09-11  Alan Modra  <amodra@gmail.com>
380
381         * output.h (Output_data_got::add_global_tls, add_local_tls,
382         add_local_tls_pair): New functions.
383         (Output_data_got::add_local_pair_with_rel): Remove second
384         reloc param.  Expand comment.
385         (Output_data_got::Got_entry): Rename use_plt_offset_ to
386         use_plt_or_tls_offset_, similarly for constructor param.
387         (Output_data_got::Got_entry::write): Add got_index param.
388         * output.cc (Output_data_got::add_global_tls, add_local_tls,
389         add_local_tls_pair): New functions.
390         (Output_data_got::Got_entry::write): Handle tls symbols
391         with use_plt_or_tls_offset_ set specially.
392         (Output_data_got::add_local_pair_with_rel): Only one reloc.
393         (Output_data_got::do_write): Replace iterator with index, pass
394         index to entry write function.
395         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
396         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
397         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
398         call.
399         * i386.cc (Target_i386::Scan::local): Likewise.
400         * sparc.cc (Target_sparc::Scan::local): Likewise.
401         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
402         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
403         do_tls_offset_for_global): New functions.
404         (Target_powerpc::Scan::local): Correct TLS relocations and got
405         entry values.
406         (Target_powerpc::Scan::global): Don't emit unnecessary
407         dynamic relocations on TLS GOT entries.
408
409 2012-09-10  Matthias Klose  <doko@ubuntu.com>
410
411         * config.in: Disable sanity check for kfreebsd.
412
413 2012-09-10  Sterling Augustine  <saugustine@google.com>
414
415         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
416         (Gdb_index::pubtypes_read): New parameter.
417         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
418         to calls.
419         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
420         pubtypes_object_.
421
422 2012-09-09  Alan Modra  <amodra@gmail.com>
423
424         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
425         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
426         * gc.h (gc_process_relocs): Call target gc_add_reference.
427         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
428         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
429         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
430         unnecessary cast.
431         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
432         to cater for when we don't need code offset.  Update use.
433         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
434         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
435         set_opd_valid): New functions.
436         (Target_powerpc::do_gc_add_reference): New function.
437         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
438         stashed refs.
439         (Target_powerpc::do_gc_mark_symbol): New function.
440
441 2012-09-06  Cary Coutant  <ccoutant@google.com>
442
443         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
444         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
445         (Dwarf_die::skip_attributes): Likewise.
446         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
447         * testsuite/gdb_index_test.cc (inline_func_1): New function.
448         (main): Call it.
449         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
450
451 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
452
453         * testsuite/script_test_3.t: Add .got.plt output section
454         statement.
455         * testsuite/script_test_4.t: Likewise.
456
457 2012-09-05  Alan Modra  <amodra@gmail.com>
458
459         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
460         update all uses and lose "enum" when using type.
461
462 2012-09-05  Alan Modra  <amodra@gmail.com>
463
464         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
465         * configure: Regenerate.
466         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
467         (plugin_final_layout.stdout): Likewise.
468         (memory_test): Set page sizes to 0x1000.
469         * testsuite/Makefile.in: Regenerate.
470         * testsuite/discard_locals_test.sh: Add FIXME comment.
471         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
472         * testsuite/pr14265.t: Add .got output section statement.
473         * testsuite/script_test_2.t: Likewise.
474         * testsuite/script_test_3.t: Likewise.
475         * testsuite/script_test_4.t: Likewise.
476         * testsuite/script_test_5.t: Likewise.
477         * testsuite/script_test_6.t: Likewise.
478         * testsuite/script_test_7.t: Likewise.
479         * testsuite/script_test_9.t: Likewise.
480
481 2012-09-05  Alan Modra  <amodra@gmail.com>
482
483         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
484         (Powerpc_relocate_functions::Status): New typedef.
485         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
486         (Target_powerpc::Scan::local): Handle REL64.
487         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
488         for REL32 and REL64.
489         (Target_powerpc::symval_for_branch): New function, extracted from..
490         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
491         checks.  Report overflow errors.
492
493 2012-09-05  Alan Modra  <amodra@gmail.com>
494
495         * object.h (Sized_relobj_file::emit_relocs): Delete.
496         (Sized_relobj_file::emit_relocs_reltype): Delete.
497         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
498         relocate_relocs for --emit-relocs.
499         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
500         * output.h: Update comment.
501         (Output_segment::first_section): New function.
502         (Output_segment::first_section_load_address): Use first_section.
503         * output.cc (Output_segment::first_section): New function extracted..
504         (Output_segment::first_section_load_address): ..from here.  Delete.
505         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
506         * target.h (Sized_target::relocate_for_relocatable): Likewise.
507         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
508         adjust call to target.h function.
509         * i386.cc (Target_i386): Likewise.
510         * sparc.cc (Target_sparc): Likewise.
511         * x86_64.cc (Target_x86_64): Likewise.
512         * powerpc.cc (Target_powerpc): Likewise.
513         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
514         first tls section has section symbol for optimised local dynamic
515         output relocs.
516         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
517         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
518         optimised tls code.
519         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
520         Rename to relocate_relocs.  Update error message.
521
522 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
523
524         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
525         --just-symbols.
526
527 2012-08-31  Alan Modra  <amodra@gmail.com>
528
529         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
530         (Powerpc_relobj::toc_base_offset): New stub function.
531         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
532         got_mod_index_offset to tlsld_got_offset.  Update all refs.
533         (Target_powerpc::Relocate::enum skip_tls): New.
534         (Target_powerpc::call_tls_get_addr_): New var.
535         (Target_powerpc::is_branch_reloc): Move to file scope.
536         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
537         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
538         New functions.
539         (Target_powerpc::enum Got_type): Delete old values, add new ones.
540         (powerpc_info): Correct common_pagesize for ppc64.
541         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
542         (Powerpc_relocate_functions): Add overflow check enums and functions.
543         Add non-shift version of rela, rela_ua.  Delete all rel public
544         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
545         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
546         addr16_ha3, addr14 functions.
547         (Output_data_got_powerpc::add_constant_pair): New function.
548         (Output_data_got_powerpc::got_base_offset): Likewise.
549         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
550         (instruction constants): Sort, add some more.
551         (Output_data_glink::do_write): Add and use Address typedef.  Use
552         object->toc_base_offset() stub for 64-bit.
553         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
554         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
555         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
556         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
557         Always treat .opd relocs as against locally defined symbol.
558         Correct condition for RELATIVE relocs.
559         (Target_powerpc::do_finalize_sections): Test for NULL sections.
560         (Target_powerpc::Relocate::relocate): Use plt call stub as value
561         for 32-bit syms with a plt entry.  Correct ppc64 toc base
562         calculations.  Handle TLS relocs, and more.  Add overflow
563         checking and adjust for Powerpc_relocate_functions changes.
564         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
565         Reinstate --emit-relocs code with FIXME.
566
567 2012-08-30  Alan Modra  <amodra@gmail.com>
568
569         * layout.cc (Layout::set_segment_offsets): Set p_align to
570         abi_pagesize, not common_pagesize.
571         (Layout::relaxation_loop_body): Similarly use abi_pagesize
572         to determine whether file header can go in segment.
573
574 2012-08-30  Alan Modra  <amodra@gmail.com>
575
576         * output.h (Output_reloc::Output_reloc <output section>): Add
577         is_relative param.  Adjust calls.
578         (Output_reloc::add_output_section_relative): New functions.
579         * output.cc (Output_reloc::Output_reloc <output section>): Handle
580         is_relative.
581         (Output_reloc::symbol_value): Handle SECTION_CODE.
582
583 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
584
585         * gold.cc (queue_middle_tasks): Call layout again when unique
586         segments for sections is desired.
587         * layout.cc (Layout::Layout): Initialize new members.
588         (Layout::get_output_section_flags): New function.
589         (Layout::choose_output_section): Call get_output_section_flags.
590         (Layout::layout): Make output section for mapping to a unique segment.
591         (Layout::insert_section_segment_map): New function.
592         (Layout::attach_allocated_section_to_segment): Make unique segment for
593         output sections marked so.
594         (Layout::segment_precedes): Check for unique segments when sorting.
595         * layout.h (Layout::Unique_segment_info): New struct.
596         (Layout::Section_segment_map): New typedef.
597         (Layout::insert_section_segment_map): New function.
598         (Layout::get_output_section_flags): New function.
599         (Layout::is_unique_segment_for_sections_specified): New function.
600         (Layout::set_unique_segment_for_sections_specified): New function.
601         (Layout::unique_segment_for_sections_specified_): New member.
602         (Layout::section_segment_map_): New member.
603         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
604         Rename is_gc_pass_one to is_pass_one.
605         Rename is_gc_pass_two to is_pass_two.
606         Rename is_gc_or_icf to is_two_pass.
607         Check for which pass based on whether symbols data is present.
608         Make it two pass when unique segments for sections is desired.
609         * output.cc (Output_section::Output_section): Initialize new
610         members.
611         * output.h (Output_section::is_unique_segment): New function.
612         (Output_section::set_is_unique_segment): New function.
613         (Output_section::is_unique_segment_): New member.
614         (Output_section::extra_segment_flags): New function.
615         (Output_section::set_extra_segment_flags): New function.
616         (Output_section::extra_segment_flags_): New member.
617         (Output_section::segment_alignment): New function.
618         (Output_section::set_segment_alignment): New function.
619         (Output_section::segment_alignment_): New member.
620         (Output_segment::Output_segment): Initialize is_unique_segment_.
621         (Output_segment::is_unique_segment): New function.
622         (Output_segment::set_is_unique_segment): New function.
623         (Output_segment::is_unique_segment_): New member.
624         * plugin.cc (allow_unique_segment_for_sections): New function.
625         (unique_segment_for_sections): New function.
626         (Plugin::load): Add new functions to transfer vector.
627         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
628         * Makefile.in: Regenerate.
629         * testsuite/plugin_final_layout.sh: Check if unique segment
630         functionality works.
631         * testsuite/plugin_section_order.c (onload): Check if new interfaces
632         are available.
633         (allow_unique_segment_for_sections): New global.
634         (unique_segment_for_sections): New global.
635         (claim_file_hook): Call allow_unique_segment_for_sections.
636         (all_symbols_read_hook): Call unique_segment_for_sections.
637
638 2012-08-22  Cary Coutant  <ccoutant@google.com>
639
640         * layout.cc (Layout::include_section): Don't assert on GROUP
641         sections with --emit-relocs.
642
643 2012-08-21  Cary Coutant  <ccoutant@google.com>
644
645         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
646         if --export-dynamic-symbol names an undef symbol.
647
648 2012-08-18  Alan Modra  <amodra@gmail.com>
649
650         * powerpc.cc: Formatting and white space.
651         (Powerpc_relobj): Rename got2_section_ to special_.
652         Add opd_ent_shndx_ and opd_ent_off_ vectors.
653         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
654         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
655         (Target_powerpc): Add Address typedef and invalid_address.  Use
656         throughout.
657         (Target_powerpc::is_branch_reloc): New function.
658         (Powerpc_relocate_functions): Add Address typedef, use throughout.
659         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
660         for dst_mask, value and addend.
661         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
662         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
663         (Output_data_glink::do_write): Correct toc base.  Don't try to use
664         uint16_t for 24-bit offset.  Use get_output_section_offset and
665         check return.
666         (Target_powerpc::Scan::local): Handle more relocs.
667         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
668         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
669         Plug in toc restoring insn after plt calls.  Translate branches
670         to function descriptor symbols to corresponding entry point.
671         (Target_powerpc::relocate_for_relocatable): Check return from
672         get_output_section_offset.
673         * symtab.h: Comment typo.
674
675 2012-08-14  Ian Lance Taylor  <iant@google.com>
676
677         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
678         unsupported_relocal_local to call unsupported_reloc_global.
679
680 2012-08-14  Nick Clifton  <nickc@redhat.com>
681
682         PR ld/14265
683         * script-sections.cc (Sections_element::output_section_name): Add
684         keep return parameter.
685         (Output_section_element::match_name): Add keep return parameter.
686         Return the value of the keep_ member.
687         * script-sections.h (class Output_section): Update
688         output_section_name prototype.
689         * layout.cc (Layout::keep_input_section): New public member
690         function.
691         (Layout::choose_output_section): Pass keep parameter to
692         output_section_name.
693         * layout.h (class Layout): Add keep_input_section.
694         * object.cc (Sized_relobj_file::do_layout): Check for kept input
695         sections.
696         * testsuite/Makefile.am: Add a test.
697         * testsuite/Makefile.in: Regenerate.
698         * testsuite/pr14265.c: Source file for the test.
699         * testsuite/pr14265.t: Linker script for the test.
700         * testsuite/pr14265.sh: Shell script for the test.
701
702 2012-08-14  Alan Modra  <amodra@gmail.com>
703
704         * target.h (Target::output_section_name): New function.
705         (Target::do_output_section_name): New function.
706         * layout.cc (Layout::choose_output_section): Call the above.
707         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
708
709 2012-08-14  Alan Modra  <amodra@gmail.com>
710
711         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
712         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
713         for replace_constant call.
714         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
715         (Output_data_glink::do_print_to_mapfile): New function.
716         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
717         (Target_powerpc::Relocate::relocate): Likewise.
718
719 2012-08-14  Alan Modra  <amodra@gmail.com>
720
721         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
722         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
723         (Output_data_glink::add_entry,find_entry): Remove shndx param.
724         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
725         all references to shndx_.  Handle special case for R_PPC_PLTREL24
726         here.
727         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
728         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
729         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
730         here.
731         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
732         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
733
734 2012-08-12  Alan Modra  <amodra@gmail.com>
735
736         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
737         (glink insn constants): Use uint32_t.
738         (Output_data_glink::add_entry): Use insert, not [] operator.
739
740 2012-08-11  Alan Modra  <amodra@gmail.com>
741
742         * object.h (Sized_relobj_file::find_shdr): New function.
743         (Sized_relobj_file::find_special_sections): New function.
744         * object.cc (Sized_relobj_file::find_shdr): New function.
745         (Sized_relobj_file::find_eh_frame): Use find_shdr.
746         (Sized_relobj_file::find_special_sections): New function, split out..
747         (Sized_relobj_file::do_read_symbols): ..from here.
748         * output.h (Output_data_got::replace_constant): New function.
749         (Output_data_got::num_entries): New function.
750         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
751         (Output_data_got::got_offset): Protected rather than private.
752         (Output_data_got::replace_got_entry): New function.
753         * output.cc (Output_data_got::replace_got_entry): New function.
754         * powerpc.cc (class Powerpc_relobj): New.
755         (class Powerpc_relocate_functions): Delete all psymval variants or
756         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
757         Implement _ha functions using corresponding _hi function.
758         (Powerpc_relobj::find_special_sections): New function.
759         (Target_powerpc::do_make_elf_object): New function.
760         (class Output_data_got_powerpc): New.
761         (class Output_data_glink): New.
762         (class Powerpc_scan_relocatable_reloc): New.
763         Many more changes througout file.
764
765 2012-08-09  Nick Clifton  <nickc@redhat.com>
766
767         * po/vi.po: Updated Vietnamese translation.
768
769 2012-08-07  Ian Lance Taylor  <iant@google.com>
770
771         * layout.cc (Layout::add_target_dynamic_tags): If
772         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
773         plt_rel.
774
775 2012-07-30  Nick Clifton  <nickc@redhat.com>
776
777         * po/gold.pot: Updated template.
778         * po/es.po: Updated Spanish translation.
779
780 2012-07-18  Cary Coutant  <ccoutant@google.com>
781
782         PR gold/14344
783         * configure.ac: Add check for -gpubnames support.
784         * configure: Regenerate.
785         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
786         support; force -gno-pubnames.
787         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
788         support.
789         (gdb_index_test_4): New test.
790         * testsuite/Makefile.in: Regenerate.
791         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
792         * testsuite/gdb_index_test_2.sh: Likewise.
793         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
794         * testsuite/gdb_index_test_4.sh: New script.
795         * testsuite/gdb_index_test_comm.sh: New script with common code;
796         don't look for space after colon.
797
798 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
799
800         * gold.cc (queue_middle_tasks): Update function order only after
801         deferred objects due to plugins are processed.
802
803 2012-07-11  Ian Lance Taylor  <iant@google.com>
804
805         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
806         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
807         (Target_arm::scan_reloc_for_stub): Likewise.
808         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
809         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
810         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
811         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
812         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
813
814 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
815             Ian Lance Taylor  <iant@google.com>
816
817         PR gold/14309
818         * configure.ac: Test whether std::tr1::hash<off_t> works.
819         * gold.h: Add a specialization for std::tr1::hash<off_t> if
820         needed.
821         * output.h (class Output_fill): Add virtual destructor.
822         * configure, config.in: Rebuild.
823
824 2012-06-22  Roland McGrath  <mcgrathr@google.com>
825
826         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
827
828 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
829
830         * plugin.cc (Plugin::load): Handle position independent executables.
831
832 2012-06-06  Cary Coutant  <ccoutant@google.com>
833
834         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
835         add .debug_macro.
836         (lines_only_debug_sections): Likewise.
837         (gdb_fast_lookup_sections): New static array.
838         (is_gdb_debug_section): Rename formal parameter.
839         (is_lines_only_debug_section): Likewise.
840         (is_gdb_fast_lookup_section): New function.
841         (Layout::include_section): Check for ".zdebug_" prefix; pass
842         section name suffix to is_gdb_debug_section, et al.; check for
843         fast-lookup sections when building .gdb_index.
844         * options.h (--strip-debug-gdb): Update GDB version number.
845
846 2012-06-06  Cary Coutant  <ccoutant@google.com>
847
848         * configure.ac: Add check for fallocate.
849         * configure: Regenerate.
850         * config.in: Regenerate.
851
852         * options.h (class General_options): Add --mmap-output-file and
853         --posix-fallocate options.
854         * output.cc: (posix_fallocate): Remove; replace with...
855         (gold_fallocate): New function.
856         (Output_file::map_no_anonymous): Call gold_fallocate.
857         (Output_file::map): Check --mmap-output-file option.
858
859 2012-06-05  Jing Yu  <jingyu@google.com>
860
861         * gold.h (textdomain): Add do {} to empty while(0).
862         (bindtextdomain): Likewise.
863
864 2012-06-04  Cary Coutant  <ccoutant@google.com>
865
866         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
867         has_dynsym_index.
868
869 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
870
871         * symtab.cc (Symbol_table::define_special_symbol):
872         Initialize *poldsym to prevent uninitialized variable errors.
873
874 2012-05-23  Cary Coutant  <ccoutant@google.com>
875
876         * layout.cc (Layout::section_name_mapping): Add rules to handle
877         exact match on .data.rel.ro.local or .data.rel.ro.
878         (Layout::output_section_name): Check for exact matches.
879
880 2012-05-23  Cary Coutant  <ccoutant@google.com>
881
882         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
883         more carefully.
884
885 2012-05-22  Cary Coutant  <ccoutant@google.com>
886
887         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
888         object before exporting symbol.
889
890 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
891
892         * testsuite/tls_test.cc: Include "config.h" first.
893         * testsuite/tls_test_c.c: Likewise.
894
895 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
896             Nick Clifton  <nickc@redhat.com>
897
898         PR 14072
899         * configure.in: Add check that sysdep.h has been included before
900         any system header files.
901         * configure: Regenerate.
902         * config.in: Regenerate.
903
904 2012-05-14  Cary Coutant  <ccoutant@google.com>
905
906         * layout.cc (Layout::make_output_section): Mark .tdata section
907         as RELRO.
908         * testsuite/relro_test.cc: Add a TLS variable.
909
910 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
911
912         PR gold/14091
913         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
914         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
915         R_X86_64_64.
916
917 2012-05-08  Cary Coutant  <ccoutant@google.com>
918
919         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
920         (lines_only_debug_sections): Likewise.
921
922 2012-05-02  Roland McGrath  <mcgrathr@google.com>
923
924         * nacl.cc: New file.
925         * nacl.h: New file.
926         * Makefile.am (CCFILES, HFILES): Add them.
927         * Makefile.in: Regenerate.
928         * i386.cc (Output_data_plt_i386_nacl): New class.
929         (Output_data_plt_i386_nacl_exec): New class.
930         (Output_data_plt_i386_nacl_dyn): New class.
931         (Target_i386_nacl): New class.
932         (Target_selector_i386_nacl): New class.
933         (target_selector_i386): Use it instead of Target_selector_i386.
934         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
935         (Target_x86_64_nacl): New class.
936         (Target_selector_x86_64_nacl): New class.
937         (target_selector_x86_64, target_selector_x32): Use it instead of
938         Target_selector_x86_64.
939         * arm.cc (Output_data_plt_arm_nacl): New class.
940         (Target_arm_nacl): New class.
941         (Target_selector_arm_nacl): New class.
942         (target_selector_arm, target_selector_armbe): Use it instead of
943         Target_selector_arm.
944
945         * target-select.cc (select_target): Take new Input_file* and off_t
946         arguments, pass them on to recognize method of selector.
947         * object.cc (make_elf_sized_object): Update caller.
948         * parameters.cc (parameters_force_valid_target): Likewise.
949         * incremental.cc (make_sized_incremental_binary): Likewise.
950         * target-select.h: Update decl.
951         (Target_selector::recognize): Take new Input_file* argument,
952         pass it on to do_recognize.
953         (Target_selector::do_recognize): Take new Input_file* argument.
954         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
955         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
956         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
957         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
958
959         * target.h (Target::Target_info): New members isolate_execinstr
960         and rosegment_gap.
961         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
962         * arm.cc (Target_arm::arm_info): Update initializer.
963         * i386.cc (Target_i386::i386_info): Likewise.
964         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
965         * sparc.cc (Target_sparc::sparc_info): Likewise.
966         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
967         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
968         * layout.cc (Layout::attach_allocated_section_to_segment):
969         Take new const Target* argument.  If target->isolate_execinstr(), act
970         like --rosegment.
971         (Layout::find_first_load_seg): Take new const Target* argument;
972         if target->isolate_execinstr(), reject PF_X segments.
973         (Layout::relaxation_loop_body): Update caller.
974         (Layout::set_segment_offsets): If target->isolate_execinstr(),
975         reset file offset to zero when we hit LOAD_SEG, and then do a second
976         loop over the segments before LOAD_SEG to reassign offsets after
977         addresses have been determined.  Handle target->rosegment_gap().
978         (Layout::attach_section_to_segment): Take new const Target* argument;
979         pass it to attach_allocated_section_to_segment.
980         (Layout::make_output_section): Update caller.
981         (Layout::attach_sections_to_segments): Take new const Target* argument;
982         pass it to attach_section_to_segment.
983         * gold.cc (queue_middle_tasks): Update caller.
984         * layout.h (Layout): Update method decls with new arguments.
985
986         * arm.cc (Target_arm::Target_arm): Take optional argument for the
987         Target_info pointer to use.
988         (Target_arm::do_make_data_plt): New virtual method.
989         (Target_arm::make_data_plt): New method that calls it.
990         (Target_arm::make_plt_entry): Use it.
991         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
992         for the section alignment.
993         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
994         method.
995         (Output_data_plt_arm::first_plt_entry_offset): Call it.
996         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
997         method.
998         (Output_data_plt_arm::get_plt_entry_size): Call it.
999         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1000         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1001         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1002         method.
1003         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1004         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1005         method instead of sizeof(plt_entry).
1006         (Output_data_plt_arm::add_entry): Likewise.
1007         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1008         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1009         than static method.
1010         (Target_arm::plt_entry_size): Likewise.
1011         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1012         Move to ...
1013         (Output_data_plt_arm_standard): ... here, new class.
1014         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1015         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1016         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1017
1018         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1019         Take additional argument for the PLT entry size.
1020         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1021         Use get_plt_entry_size method rather than plt_entry_size variable.
1022         (Output_data_plt_x86_64::reserve_slot): Likewise.
1023         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1024         (Output_data_plt_x86_64::add_entry): Likewise.
1025         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1026         (Output_data_plt_x86_64::address_for_global): Likewise.
1027         (Output_data_plt_x86_64::address_for_local): Likewise.
1028         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1029         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1030         Make method non-static.
1031         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1032         method.
1033         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1034         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1035         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1036         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1037         virtual method.
1038         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1039         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1040         virtual method.
1041         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1042         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1043         virtual method.
1044         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1045         (Output_data_plt_x86_64::plt_entry_size)
1046         (Output_data_plt_x86_64::first_plt_entry)
1047         (Output_data_plt_x86_64::plt_entry)
1048         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1049         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1050         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1051         (Output_data_plt_x86_64_standard): ... here, new class.
1052         (Target_x86_64::Target_x86_64): Take optional argument for the
1053         Target_info pointer to use.
1054         (Target_x86_64::do_make_data_plt): New virtual method.
1055         (Target_x86_64::make_data_plt): New method to call it.
1056         (Target_x86_64::init_got_plt_for_update): Use that.
1057         Call this->plt_->add_eh_frame method here.
1058         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1059         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1060         rather than static method.
1061         (Target_x86_64::plt_entry_size): Likewise.
1062         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1063         rather than plt_entry_size variable.  Move guts of PLT filling to...
1064         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1065         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1066         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1067
1068         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1069         additional argument for the section alignment.
1070         Don't do add_eh_frame_for_plt here.
1071         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1072         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1073         variable.
1074         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1075         method.
1076         (Output_data_plt_i386::get_plt_entry_size): Call it.
1077         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1078         (Output_data_plt_i386::add_eh_frame): New method to call it.
1079         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1080         method.
1081         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1082         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1083         method.
1084         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1085         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1086         method instead of plt_entry_size.
1087         (Output_data_plt_i386::plt_entry_size)
1088         (Output_data_plt_i386::plt_eh_frame_fde_size)
1089         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1090         (Output_data_plt_i386_standard): ... here, new class.
1091         (Output_data_plt_i386_exec): New class.
1092         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1093         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1094         (Output_data_plt_i386::exec_plt_entry): Move to ...
1095         (Output_data_plt_i386_exec::plt_entry): ... here.
1096         (Output_data_plt_i386_dyn): New class.
1097         (Output_data_plt_i386::first_plt_entry): Move to ...
1098         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1099         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1100         (Output_data_plt_i386_dyn::plt_entry): ... here.
1101         (Target_i386::Target_i386): Take optional argument for the Target_info
1102         pointer to use.
1103         (Target_i386::do_make_data_plt): New virtual method.
1104         (Target_i386::make_data_plt): New method to call it.
1105         (Target_i386::make_plt_section): Use that.
1106         Call this->plt_->add_eh_frame method here.
1107         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1108         rather than plt_entry_size variable.
1109         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1110         (Output_data_plt_i386::address_for_local): Likewise.
1111         (Output_data_plt_i386::do_write): Likewise.
1112         Move guts of PLT filling to...
1113         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1114         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1115         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1116         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1117
1118 2012-05-01  Cary Coutant  <ccoutant@google.com>
1119
1120         * dwarf_reader.cc (Dwarf_die::read_attributes)
1121         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1122         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1123         * reduced_debug_output.cc
1124         (Output_reduced_debug_info_section::get_die_end): Remove
1125         DW_FORM_GNU_ref_index.  Add default case.
1126
1127 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1128
1129         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1130         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1131         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1132         DW_AT_high_pc as offset from DW_AT_low_pc.
1133
1134         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1135         * testsuite/Makefile.in: Regenerate.
1136         * testsuite/gdb_index_test_3.c: New test source file.
1137         * testsuite/gdb_index_test_3.sh: New test source file.
1138
1139 2012-04-25  Ian Lance Taylor  <iant@google.com>
1140
1141         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1142         pointer.
1143         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1144         as a class, not a struct.
1145         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1146         (Target_arm::apply_cortex_a8_workaround): Likewise.
1147         * gc.h: Declare Reloc_types as a struct, not a class.
1148         * object.h: Declare Symbols_data as a struct.
1149         * reloc.h: Declare Read_relocs_data as a struct.
1150         * target.h: Declare Relocate_info as a struct.
1151
1152 2012-04-24  David S. Miller  <davem@davemloft.net>
1153
1154         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1155         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1156         and R_SPARC_WPLT30.
1157
1158 2012-04-24  Cary Coutant  <ccoutant@google.com>
1159
1160         * incremental-dump.cc (find_input_containing_global): Replace
1161         magic number with symbolic constant.
1162         (dump_incremental_inputs): Update version number.
1163         * incremental.cc (Output_section_incremental_inputs): Update version
1164         number; import symbolic constants from Incremental_inputs_reader.
1165         (Incremental_inputs::create_data_sections): Align relocations
1166         section correctly for 64-bit targets.
1167         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1168         constants; add padding.
1169         (Output_section_incremental_inputs::write_header): Add assert for
1170         header_size.
1171         (Output_section_incremental_inputs::write_input_files): Add assert
1172         for input_entry_size.
1173         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1174         add assert for object_info_size, input_section_entry_size,
1175         global_sym_entry_size.
1176         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1177         for data structure sizes; use them.
1178         (Incremental_input_entry_reader): Import symbolic constants from
1179         Incremental_inputs_reader; use them.
1180
1181 2012-04-23  David S. Miller  <davem@davemloft.net>
1182
1183         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1184         and elf_flags_set_.
1185         (Target_sparc::Target_sparc): Initialize new fields.
1186         (Target_sparc::do_make_elf_object): New function.
1187         (Target_sparc::do_adjust_elf_header): New function.
1188
1189 2012-04-23  Cary Coutant  <ccoutant@google.com>
1190
1191         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1192         CU range table of gdb index.
1193
1194 2012-04-20  David S. Miller  <davem@davemloft.net>
1195
1196         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1197         instead of false.
1198
1199 2012-04-16  David S. Miller  <davem@davemloft.net>
1200
1201         * sparc.cc (Target_sparc::got_address): New function.
1202         (Sparc_relocate_functions::gdop_hix22): New function.
1203         (Sparc_relocate_functions::gdop_lox10): New function.
1204         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1205         relocs.
1206         (Target_sparc::Scan::local): Likewise if the global symbol is not
1207         preemptible and is not IFUNC.
1208         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1209         transformations for local and non-preemptible non-IFUNC global
1210         symbols.
1211
1212         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1213         writing out 64-bit part of ranges.
1214
1215         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1216         -fpic and -fpie respectively.
1217         * Makefile.in: Regenerate.
1218
1219         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1220         (Target_sparc::Target_sparc): Initialize new field.
1221         (Target_sparc::do_plt_section_for_global): New function.
1222         (Target_sparc::do_plt_section_for_local): New function.
1223         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1224         (Target_sparc::make_plt_section): New function, broken out of
1225         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1226         (Target_sparc::make_plt_entry): Call make_plt_section.
1227         (Target_sparc::make_local_ifunc_plt_entry): New function.
1228         (Target_sparc::rela_ifunc_section): New function.
1229         (Target_sparc::plt_section): Remove const.
1230         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1231         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1232         and ifunc_count_ fields.
1233         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1234         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1235         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1236         (Output_data_plt_sparc::rela_ifunc): New function.
1237         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1238         (Output_data_plt_sparc::has_ifunc_section): New function.
1239         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1240         (Output_data_plt_sparc::address_for_global): New function.
1241         (Output_data_plt_sparc::address_for_local): New function.
1242         (Output_data_plt_sparc::plt_index_to_offset): New function.
1243         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1244         and entry_count.
1245         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1246         entry_count.
1247         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1248         R_SPARC_JMP_IREL to switch.
1249         (Target_sparc::Scan::check_non_pic): Likewise.
1250         (Target_sparc::Scan::local): Handle IFUNC symbols.
1251         (Target_sparc::Scan::local): Likewise.
1252         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1253         and plt_address_for_local.
1254         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1255         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1256
1257         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1258         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1259         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1260         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1261         global relocs too.
1262         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1263         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1264         calls.
1265         * sparc.cc (Target_sparc::Scan::global): Likewise.
1266         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1267
1268 2012-04-16  Cary Coutant  <ccoutant@google.com>
1269
1270         * archive.cc (Library_base::should_include_member): Check for
1271         --export-dynamic-symbol.
1272         * options.h (class General_options): Add --export-dynamic-symbol.
1273         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1274         --export-dynamic-symbol.
1275         (Symbol_table::gc_mark_undef_symbols): Likewise.
1276         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1277
1278 2012-04-12  David S. Miller  <davem@davemloft.net>
1279
1280         * sparc.cc (Reloc::wdisp10): New relocation method.
1281         (Reloc::h34): Likewise.
1282         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1283         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1284         R_SPARC_WDISP10.
1285         (Target_sparc::Scan::local): Likewise.
1286         (Target_sparc::Scan::global): Likewise.
1287         (Target_sparc::Relocate::relocate): Likewise.
1288
1289 2012-04-09  Cary Coutant  <ccoutant@google.com>
1290
1291         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1292         low_pc == 0.
1293
1294 2012-04-06  Ian Lance Taylor  <iant@google.com>
1295
1296         * timer.cc: #include <unistd.h>.
1297
1298 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1299
1300         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1301         * config.in: Regenerate.
1302         * configure: Regenerate.
1303
1304 2012-04-05  Nick Clifton  <nickc@redhat.com>
1305
1306         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1307         (AM_LC_MESSAGES): Add.
1308         * aclocal.m4: Regenerate.
1309         * config.in: Regenerate.
1310         * configure: Regenerate.
1311
1312 2012-03-21  Cary Coutant  <ccoutant@google.com>
1313
1314         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1315         * Makefile.in: Regenerate.
1316         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1317         (Sized_elf_reloc_mapper::symbol_section): New function.
1318         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1319         (make_elf_reloc_mapper): New function.
1320         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1321         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1322         (Dwarf_abbrev_table::do_get_abbrev): New function.
1323         (Dwarf_ranges_table::read_ranges_table): New function.
1324         (Dwarf_ranges_table::read_range_list): New function.
1325         (Dwarf_pubnames_table::read_section): New function.
1326         (Dwarf_pubnames_table::read_header): New function.
1327         (Dwarf_pubnames_table::next_name): New function.
1328         (Dwarf_die::Dwarf_die): New function.
1329         (Dwarf_die::read_attributes): New function.
1330         (Dwarf_die::skip_attributes): New function.
1331         (Dwarf_die::set_name): New function.
1332         (Dwarf_die::set_linkage_name): New function.
1333         (Dwarf_die::attribute): New function.
1334         (Dwarf_die::string_attribute): New function.
1335         (Dwarf_die::int_attribute): New function.
1336         (Dwarf_die::uint_attribute): New function.
1337         (Dwarf_die::ref_attribute): New function.
1338         (Dwarf_die::child_offset): New function.
1339         (Dwarf_die::sibling_offset): New function.
1340         (Dwarf_info_reader::check_buffer): New function.
1341         (Dwarf_info_reader::parse): New function.
1342         (Dwarf_info_reader::do_parse): New function.
1343         (Dwarf_info_reader::do_read_string_table): New function.
1344         (Dwarf_info_reader::lookup_reloc): New function.
1345         (Dwarf_info_reader::get_string): New function.
1346         (Dwarf_info_reader::visit_compilation_unit): New function.
1347         (Dwarf_info_reader::visit_type_unit): New function.
1348         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1349         Sized_elf_reloc_mapper.
1350         (Sized_dwarf_line_info::symbol_section): Remove function.
1351         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1352         (Sized_dwarf_line_info::read_line_mappings): Remove object
1353         parameter, adjust callers.
1354         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1355         * dwarf_reader.h: Include <sys/types.h>.
1356         (class Track_relocs): Remove forward declaration.
1357         (class Elf_reloc_mapper): New class.
1358         (class Sized_elf_reloc_mapper): New class.
1359         (class Dwarf_abbrev_table): New class.
1360         (class Dwarf_range_list): New class.
1361         (class Dwarf_ranges_table): New class.
1362         (class Dwarf_pubnames_table): New class.
1363         (class Dwarf_die): New class.
1364         (class Dwarf_info_reader): New class.
1365         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1366         (Sized_dwarf_line_info::symbol_section): Remove member function.
1367         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1368         base class.
1369         * gdb-index.cc: New source file.
1370         * gdb-index.h: New source file.
1371         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1372         and .debug_types sections, call Layout::add_to_gdb_index.
1373         (Sized_relobj_incr::do_section_name): Implement.
1374         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1375         return type; Implement.
1376         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1377         return type.
1378         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1379         parameter list and return type.
1380         (Sized_incr_dynobj::do_section_contents): Likewise.
1381         * layout.cc: Include gdb-index.h.
1382         (Layout::Layout): Initialize gdb_index_data_.
1383         (Layout::init_fixed_output_section): Check for .gdb_index section.
1384         (Layout::add_to_gdb_index): New function. Instantiate.
1385         * layout.h: Add forward declaration for class Gdb_index.
1386         (Layout::add_to_gdb_index): New member function.
1387         (Layout::gdb_index_data_): New data member.
1388         * main.cc: Include gdb-index.h.
1389         (main): Print statistics for gdb index.
1390         * object.cc (Object::section_contents): Move code into
1391         do_section_contents.
1392         (need_decompressed_section): Check for sections needed when building
1393         gdb index.
1394         (build_compressed_section_map): Likewise.
1395         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1396         gdb index.
1397         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1398         sections; call Layout::add_to_gdb_index.
1399         (Sized_relobj_file::do_decompressed_section_contents): Call
1400         do_section_contents directly.
1401         * object.h (Object::do_section_contents): Adjust parameter list and
1402         return type.
1403         (Object::do_decompressed_section_contents): Call do_section_contents
1404         directly.
1405         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1406         return type.
1407         * options.h (class General_options): Add --gdb-index option.
1408         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1409         list and return type.
1410         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1411         * reloc.h (Track_relocs::checkpoint): New function.
1412         (Track_relocs::reset): New function.
1413
1414         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1415         New test cases.
1416         * testsuite/Makefile.in: Regenerate.
1417         * testsuite/gdb_index_test.cc: New test source file.
1418         * testsuite/gdb_index_test_1.sh: New test source file.
1419         * testsuite/gdb_index_test_2.sh: New test source file.
1420
1421 2012-03-19  Doug Kwan  <dougkwan@google.com>
1422
1423         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1424         (Target_arm::do_finalize_sections): Remove code which defines
1425         __exidx_start and __exidx_end.  Make symbol table parameter
1426         anonymous as it is not used.
1427         * gold.cc (queue_middle_tasks): Call target hook to define any
1428         target-specific symbols.
1429         * target.h (Target::define_standard_symbols): New method.
1430         (Target::do_define_standard_symbols): Same.
1431         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1432         * testsuite/Makefile.in: Regenerate.
1433         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1434         and __exidx_end.
1435         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1436         relocations are generated for __exidx_start and __exidx_end.
1437
1438 2012-03-16  Doug Kwan  <dougkwan@google.com>
1439
1440         * testsuite/Makefile.am: Disable test initpri3b.
1441         * testsuite/Makefile.in: Regenerate.
1442
1443 2012-03-15  Doug Kwan  <dougkwan@google.com>
1444
1445         * arm.cc (Target_arm::got_section): Make .got section read-only
1446         if -z now is given.
1447
1448 2012-03-15  Ian Lance Taylor  <iant@google.com>
1449
1450         PR gold/13850
1451         * layout.cc (Layout::make_output_section): Correctly mark
1452         SHT_INIT_ARRAY, et. al., as relro.
1453
1454 2012-03-14  Doug Kwan  <dougkwan@google.com>
1455
1456         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1457         dynamic relocations for protected symbols in shared objects.
1458
1459 2012-03-13  Ian Lance Taylor  <iant@google.com>
1460
1461         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1462         keep the larger alignment.
1463
1464 2012-03-12  Cary Coutant  <ccoutant@google.com>
1465
1466         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1467         handling of DW_LNE_define_file.
1468
1469 2012-03-12  Cary Coutant  <ccoutant@google.com>
1470
1471         * reduced_debug_output.cc
1472         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1473         codes to switch.
1474
1475 2012-02-29  Cary Coutant  <ccoutant@google.com>
1476
1477         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1478
1479 2012-02-29  Cary Coutant  <ccoutant@google.com>
1480
1481         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1482         Call Object::decompressed_section_contents.
1483         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1484         New dtor.
1485         (Sized_dwarf_line_info::buffer_start_): New data member.
1486         * merge.cc (Output_merge_data::do_add_input_section): Call
1487         Object::decompressed_section_contents.
1488         (Output_merge_string::do_add_input_section): Likewise.
1489         * object.cc (need_decompressed_section): New function.
1490         (build_compressed_section_map): Decompress sections needed later.
1491         (Sized_relobj_file::do_decompressed_section_contents): New function.
1492         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1493         * object.h (Object::decompressed_section_contents): New function.
1494         (Object::discard_decompressed_sections): New function.
1495         (Object::do_decompressed_section_contents): New function.
1496         (Object::do_discard_decompressed_sections): New function.
1497         (Compressed_section_info): New type.
1498         (Compressed_section_map): Include decompressed section contents.
1499         (Sized_relobj_file::do_decompressed_section_contents): New function.
1500         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1501
1502 2012-02-16  Cary Coutant  <ccoutant@google.com>
1503
1504         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1505         * testsuite/Makefile.in: Regenerate.
1506
1507 2012-02-14  Cary Coutant  <ccoutant@google.com>
1508
1509         * options.cc (General_options::finalize): Disallow -pie and -static.
1510
1511 2012-02-03  Doug Kwan  <dougkwan@google.com>
1512
1513         * arm.cc (Arm_relocate_functions::abs8,
1514         Arm_relocate_functions::abs16): Use
1515         Bits::has_signed_unsigned_overflow32.
1516         (Arm_relocate_functions::thm_abs8): Correct range of
1517         overflow check.
1518         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1519         in assertions.
1520
1521 2012-02-02  Doug Kwan  <dougkwan@google.com>
1522
1523         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1524         position independent outputs, not just shared objects.
1525
1526 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1527
1528         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1529         * configure: Regenerated.
1530
1531 2012-01-27  Ian Lance Taylor  <iant@google.com>
1532
1533         * reloc.h (Bits): New class with static functions, copied from
1534         namespace utils in arm.cc.
1535         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1536         instead.
1537
1538 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1539
1540         * incremental.cc (write_info_blocks): Correct relocation offset.
1541
1542 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1543
1544         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1545         (Relocate::tls_gd_to_le): Likewise.
1546
1547 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1548
1549         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1550
1551 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1552
1553         * configure.ac: Check if -mcmodel=medium works.
1554         * configure: Regenerated.
1555
1556 2012-01-24  Cary Coutant  <ccoutant@google.com>
1557
1558         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1559         definition and ...
1560         (read_unsigned_LEB_128_x): ... this new function.
1561         (read_signed_LEB_128): Replaced with inline definition and ...
1562         (read_signed_LEB_128_x): ... this new function.
1563         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1564         (read_unsigned_LEB_128): Add inline definition.
1565         (read_signed_LEB_128_x): New function.
1566         (read_signed_LEB_128): Add inline definition.
1567         * testsuite/Makefile.am (leb128_unittest): New unit test.
1568         * testsuite/Makefile.in: Regenerate.
1569         * testsuite/leb128_unittest.cc: New unit test.
1570
1571 2012-01-23  Ian Lance Taylor  <iant@google.com>
1572
1573         PR gold/13617
1574         * i386.cc (Target_i386::do_code_fill): When using a jmp
1575         instruction, pad with nop instructions.
1576         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1577
1578 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1579
1580         * x86_64.cc (gc_process_relocs): Add typename on types used in
1581         template.
1582         (scan_relocs): Likewise.
1583         (relocate_section): Likewise.
1584         (apply_relocation): Likewise.
1585
1586 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1587
1588         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1589         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1590         under x32.
1591
1592 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1593
1594         * x86_64.cc: Initial support for x32.
1595
1596 2012-01-03  Cary Coutant  <ccoutant@google.com>
1597
1598         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1599         Use abstract base class for GOT.
1600         * gold/output.h (class Output_data_got_base): New abstract base class.
1601         (class Output_data_got): Derive from new base class, adjust ctors.
1602         (Output_data_got::reserve_slot): Make virtual; rename to
1603         do_reserve_slot; Adjust callers.
1604         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1605         pointer to abstract base class.
1606         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1607
1608 2011-12-18  Ian Lance Taylor  <iant@google.com>
1609
1610         * object.h (Relobj::local_symbol_value): New function.
1611         (Relobj::local_plt_offset): New function.
1612         (Relobj::local_has_got_offset): New function.
1613         (Relobj::local_got_offset): New function.
1614         (Relobj::set_local_got_offset): New function.
1615         (Relobj::do_local_symbol_value): New pure virtual function.
1616         (Relobj::do_local_plt_offset): Likewise.
1617         (Relobj::do_local_has_got_offset): Likewise.
1618         (Relobj::do_local_got_offset): Likewise.
1619         (Relobj::do_set_local_got_offset): Likewise.
1620         (Sized_relobj::do_local_has_got_offset): Rename from
1621         local_has_got_offset.
1622         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1623         (Sized_relobj::do_set_local_got_offset): Rename from
1624         set_local_got_offset.
1625         (Sized_relobj_file::do_local_plt_offset): Rename from
1626         local_plt_offset.
1627         (Sized_relobj_file::do_local_symbol_value): New function.
1628         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1629         local_plt_offset.
1630         * output.cc (Output_data_got::Got_entry::write): Change object to
1631         Relobj.  Use local_symbol_value.
1632         (Output_data_got::add_global_with_rel): Change rel_dyn to
1633         Output_data_reloc_generic*.  Use add_global_generic.
1634         (Output_data_got::add_global_with_rela): Remove.  Change all
1635         callers to use add_global_with_rel.
1636         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1637         Output_data_reloc_generic*.  Use add_global_generic.
1638         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1639         callers to use add_global_pair_with_rel.
1640         (Output_data_got::add_local): Change object to Relobj*.
1641         (Output_data_got::add_local_plt): Likewise.
1642         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1643         change rel_dyn to Output_data_reloc_generic*.  Use
1644         add_local_generic.
1645         (Output_data_got::add_local_with_rela): Remove.  Change all
1646         callers to use all_local_with_rel.
1647         (Output_data_got::add_local_pair_with_rel): Change object to
1648         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1649         add_output_section_generic.
1650         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1651         callers to use add_local_pair_with_rel.
1652         (Output_data_got::reserve_local): Change object to Relobj*.
1653         * output.h: (class Output_data_reloc_generic): Add pure virtual
1654         declarations for add_global_generic, add_local_generic,
1655         add_output_section_generic.
1656         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1657         functions for Output_data_reloc_generic.  Update declarations for
1658         changes listed in output.cc.
1659         (class Output_data_got): Change template parameter to got_size.
1660         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1661         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1662         function.
1663         (Sized_relobj_incr::do_local_plt_offset): New function.
1664         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1665         add_global_generic.
1666
1667 2011-12-17  Cary Coutant  <ccoutant@google.com>
1668
1669         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1670         * resolve.cc (Symbol_table::resolve): Likewise.
1671         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1672         arrays.
1673         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1674
1675 2011-12-16  Ian Lance Taylor  <iant@google.com>
1676
1677         * output.h (Output_data_reloc_generic::add): Only call
1678         add_dynamic_reloc if this is a dynamic reloc section.
1679
1680 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1681
1682         PR gold/13505
1683         * target-reloc.h (apply_relocation): Replace <64, false> with
1684         <size, big_endian>.
1685
1686 2011-11-25  Nick Clifton  <nickc@redhat.com>
1687
1688         * po/it.po: New Italian translation.
1689
1690 2011-11-17  Sterling Augustine  <saugustine@google.com>
1691
1692         * script.cc (script_include_directive): Implement.
1693         (read_script_file): New local variables name and search_path. Update
1694         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1695         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1696         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1697
1698 2011-11-11  Sterling Augustine  <saugustine@google.com>
1699
1700         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1701         (file_or_sections_cmd): Likewise.
1702
1703 2011-11-11  Doug Kwan  <dougkwan@google.com>
1704
1705         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1706         if --just-symbols is given.
1707
1708 2011-11-10  Doug Kwan  <dougkwan@google.com>
1709
1710         PR gold/13362
1711         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1712         when processing data relocs.
1713         * reloc.h (Relocate_functions::rel_unaligned): New method.
1714         (Relocate_functions::pcrel_unaligned): Ditto.
1715         (Relocate_functions::rel32_unaligned): Ditto.
1716         (Relocate_functions::pcrel32_unaligned): Ditto.
1717
1718 2011-11-09  Doug Kwan  <dougkwan@google.com>
1719
1720         PR gold/13362
1721         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1722         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1723         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1724         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1725         (Relocate_functions::rel_unaligned): New.
1726         (Relocate_functions::rel32_unaligned): New.
1727         * target-reloc.h (relocate_for_relocatable): Add code to handle
1728         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1729         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1730         arm_unaligned_reloc_r): New targets.
1731         * testsuite/Makefile.in: Regenerate.
1732         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1733         linking.
1734
1735 2011-11-02  Ian Lance Taylor  <iant@google.com>
1736
1737         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1738         NATIVE_LINKER.
1739         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1740         * options.cc (General_options::finalize): Use library search path
1741         from configure script if specified.  If not native and no sysroot,
1742         only search TOOLLIBDIR.
1743         * options.h (Search_directory::Search_directory): Change name to
1744         const std::string&.
1745         (General_options::add_to_library_path_with_sysroot): Change arg to
1746         const std::string&.
1747         * configure, Makefile.in, config.in: Rebuild.
1748
1749 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1750
1751         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1752         we are working around the ARM1176 Erratum.
1753         * options.h (General_options::fix_arm1176): Add option.
1754         * testsuite/Makefile.am: Add testcases, and keep current ones
1755         working.
1756         * testsuite/Makefile.in: Regenerate.
1757         * testsuite/arm_fix_1176.s: New file.
1758         * testsuite/arm_fix_1176.sh: Likewise.
1759
1760 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1761
1762         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1763         may_use_blx_.
1764         (Target_arm::may_use_blx): Remove method.
1765         (Target_arm::set_may_use_blx): Likewise.
1766         (Target_arm::may_use_v4t_interworking): New method.
1767         (Target_arm::may_use_v5t_interworking): Likewise.
1768         (Target_arm::may_use_blx_): Remove member variable.
1769         (Arm_relocate_functions::arm_branch_common): Check for v5T
1770         interworking.
1771         (Arm_relocate_functions::thumb_branch_common): Likewise.
1772         (Reloc_stub::stub_type_for_reloc): Likewise.
1773         (Target_arm::do_finalize_sections): Correct interworking checks.
1774         * testsuite/Makefile.am: Add new tests.
1775         * testsuite/Makefile.in: Regenerate.
1776         * testsuite/arm_farcall_arm_arm.s: New test.
1777         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1778         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1779         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1780         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1781         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1782         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1783         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1784
1785 2011-10-31  Cary Coutant  <ccoutant@google.com>
1786
1787         PR gold/13023
1788         * expression.cc (Expression::eval_with_dot): Add
1789         is_section_dot_assignment parameter.
1790         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1791         absolute and assigning to dot within a section.
1792         * script-sections.cc
1793         (Output_section_element_assignment::set_section_addresses): Pass
1794         dot_section to set_if_absolute.
1795         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1796         as is_section_dot_assignment flag to eval_with_dot.
1797         (Output_section_element_dot_assignment::set_section_addresses):
1798         Likewise.
1799         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1800         parameter.  Also set value if relative to dot_section; set the
1801         symbol's output_section.
1802         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1803         parameter.  Adjust all callers.
1804         (Expression::eval_maybe_dot): Likewise.
1805         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1806         Adjust all callers.
1807         * testsuite/script_test_2.t: Test assignment of an absolute value
1808         to dot within an output section element.
1809
1810 2011-10-31  Cary Coutant  <ccoutant@google.com>
1811
1812         * options.h (class General_options): Add --[no-]gnu-unique options.
1813         * symtab.cc (Symbol_table::sized_write_globals): Convert
1814         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1815
1816 2011-10-31  Cary Coutant  <ccoutant@google.com>
1817
1818         PR gold/13359
1819         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1820         unnecessary assertion.
1821         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1822
1823 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1824
1825         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1826         gc_mark_symbol.
1827         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1828         gc_mark_symbol.
1829         Change to just keep the section associated with symbol.
1830         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1831         they are externally visible and --export-dynamic is turned on.
1832         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1833
1834 2011-10-19  Ian Lance Taylor  <iant@google.com>
1835
1836         PR gold/13163
1837         * script-sections.cc
1838         (Output_section_element_dot_assignment::needs_output_section): New
1839         function.
1840
1841 2011-10-19  Ian Lance Taylor  <iant@google.com>
1842
1843         PR gold/13204
1844         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1845         --section-start option was seen.
1846         * options.h (General_options::any_section_start): New function.
1847
1848 2011-10-18  David S. Miller  <davem@davemloft.net>
1849
1850         PR binutils/13301
1851         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1852         member to track relocation locations that have moved during TLS
1853         reloc optimizations.
1854         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1855         (Target_sparc::Relocate::relocate): Adjust view down by 4
1856         bytes if it matches reloc_adjust_addr_.
1857         (Target_sparc::Relocate::relocate_tls): Always move the
1858         __tls_get_addr call delay slot instruction forward 4 bytes when
1859         performing relaxation.
1860
1861 2011-10-18  Cary Coutant  <ccoutant@google.com>
1862
1863         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1864         (Output_file::map_no_anonymous): Check for non-zero
1865         return code from posix_fallocate.
1866
1867 2011-10-17  Cary Coutant  <ccoutant@google.com>
1868
1869         PR gold/13245
1870         * plugin.cc (is_visible_from_outside): Check for symbols
1871         referenced from dynamic objects.
1872         * resolve.cc (Symbol_table::resolve): Don't count references
1873         from dynamic objects as references from real ELF files.
1874         * testsuite/plugin_test_2.sh: Adjust expected result.
1875
1876 2011-10-17  Cary Coutant  <ccoutant@google.com>
1877
1878         * gold.cc: Include timer.h.
1879         (queue_middle_tasks): Stamp time.
1880         (queue_final_tasks): Likewise.
1881         * main.cc (main): Store timer in parameters.  Print timers
1882         for each pass.
1883         * parameters.cc (Parameters::Parameters): Initialize timer_.
1884         (Parameters::set_timer): New function.
1885         (set_parameters_timer): New function.
1886         * parameters.h (Parameters::set_timer): New function.
1887         (Parameters::timer): New function.
1888         (Parameters::timer_): New data member.
1889         (set_parameters_timer): New function.
1890         * timer.cc (Timer::stamp): New function.
1891         (Timer::get_pass_time): New function.
1892         * timer.h (Timer::stamp): New function.
1893         (Timer::get_pass_time): New function.
1894         (Timer::pass_times_): New data member.
1895
1896 2011-10-17  Cary Coutant  <ccoutant@google.com>
1897
1898         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1899         task for members of lib groups.
1900
1901 2011-10-17  Cary Coutant  <ccoutant@google.com>
1902
1903         PR gold/13288
1904         * fileread.cc (File_read::find_view): Add assert.
1905         (File_read::make_view): Move bounds check (replace with assert)...
1906         (File_read::find_or_make_view): ... to here.
1907
1908 2011-10-12  Cary Coutant  <ccoutant@google.com>
1909
1910         * output.cc (Output_file::open_base_file): Handle case where
1911         ::read returns less than requested size.
1912
1913 2011-10-10  Cary Coutant  <ccoutant@google.com>
1914
1915         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1916         Initialize defined_count_.
1917         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1918         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1919         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1920         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1921         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1922         * incremental.h (Sized_relobj_incr::defined_count_): New data
1923         member.
1924         (Sized_incr_dynobj::defined_count_): New data member.
1925         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1926         Return zeroes instead of internal error.
1927
1928 2011-10-10  Cary Coutant  <ccoutant@google.com>
1929
1930         PR gold/13249
1931         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1932         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1933         * output.h (class Output_reloc): Add use_plt_offset flag.
1934         (Output_reloc::type_): Adjust size of bit field.
1935         (Output_reloc::use_plt_offset_): New bit field.
1936         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1937         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1938         flag.  Adjust all callers.
1939         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1940         creating RELATIVE relocations.
1941
1942 2011-10-10  Nick Clifton  <nickc@redhat.com>
1943
1944         * po/es.po: Updated Spanish translation.
1945         * po/fi.po: Updated Finnish translation.
1946
1947 2011-10-03   Diego Novillo  <dnovillo@google.com>
1948
1949         * options.cc (parse_uint): Fix dereference of RETVAL.
1950
1951 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1952
1953         * layout.h (section_order_map_): New member.
1954         (get_section_order_map): New member function.
1955         * output.cc (Output_section::add_input_section): Check for patterns
1956         only when --section-ordering-file is specified.
1957         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1958         output_sections have been formed.
1959         * layout.cc (Layout_Layout): Initialize section_order_map_.
1960         * plugin.cc (update_section_order): Store order in order_map. Do not
1961         update the order.
1962         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1963         * testsuite/Makefile.in: Regenerate.
1964         * testsuite/plugin_section_order.c: New file.
1965         * testsuite/plugin_final_layout.cc: New file.
1966         * testsuite/plugin_final_layout.sh: New file.
1967
1968 2011-09-29  Cary Coutant  <ccoutant@google.com>
1969
1970         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1971         Check for NULL.
1972         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1973         symbols during incremental update.
1974         (Symbol_table::add_from_dynobj): Likewise.
1975
1976 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1977             Ian Lance Taylor  <iant@google.com>
1978
1979         * symtab.cc (Symbol_table::define_special_symbol): Always
1980         canonicalize version string.
1981
1982 2011-09-26  Cary Coutant  <ccoutant@google.com>
1983
1984         * gold.cc (queue_initial_tasks): Move option checks ...
1985         * options.cc (General_options::finalize): ... to here. Disable
1986         some options; make others fatal.
1987
1988 2011-09-26  Cary Coutant  <ccoutant@google.com>
1989
1990         gcc PR lto/47247
1991         * plugin.cc (get_symbols_v2): New function.
1992         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1993         (is_referenced_from_outside): New function.
1994         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1995         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1996         (get_symbols): Pass version parameter.
1997         (get_symbols_v2): New function.
1998         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1999         parameter.
2000         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2001         (onload): Add LDPT_GET_SYMBOLS_V2.
2002         (all_symbols_read_hook): Use get_symbols_v2; check for
2003         LDPR_PREVAILING_DEF_IRONLY_EXP.
2004         * testsuite/plugin_test_3.sh: Update expected results.
2005
2006 2011-09-23  Simon Baldwin  <simonb@google.com>
2007
2008         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2009         configuration options.
2010         * configure: Regenerate.
2011         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2012         * Makefile.in: Regenerate.
2013         * testsuite/Makefile.in: Regenerate.
2014
2015 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2016
2017         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2018
2019 2011-09-19  Cary Coutant  <ccoutant@google.com>
2020
2021         * incremental.cc (can_incremental_update): Fix typo in comment.
2022         * incremental.h (can_incremental_update): Likewise.
2023
2024 2011-09-18  Cary Coutant  <ccoutant@google.com>
2025
2026         * incremental.cc (can_incremental_update): New function.
2027         * incremental.h (can_incremental_update): New function.
2028         * layout.cc (Layout::init_fixed_output_section): Call it.
2029         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2030         * object.cc (Sized_relobj_file::do_layout): Call
2031         can_incremental_update.
2032
2033 2011-09-13  Cary Coutant  <ccoutant@google.com>
2034
2035         * configure.ac: Check for glibc support for gnu_indirect_function
2036         support with static linking, setting automake conditional
2037         IFUNC_STATIC.
2038         * Makefile.in: Regenerate.
2039         * configure: Regenerate.
2040
2041         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2042         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2043         for IFUNC_STATIC.
2044         * testsuite/Makefile.in: Regenerate.
2045
2046 2011-09-13  Cary Coutant  <ccoutant@google.com>
2047
2048         * incremental.cc (Sized_relobj_incr::do_layout): Call
2049         report_comdat_group for kept comdat sections.
2050         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2051         * testsuite/Makefile.in: Regenerate.
2052         * testsuite/incr_comdat_test_1.cc: New source file.
2053         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2054         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2055         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2056
2057 2011-09-13  Ian Lance Taylor  <iant@google.com>
2058
2059         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2060         variable external_symbols_offset.
2061
2062 2011-09-12  Ian Lance Taylor  <iant@google.com>
2063
2064         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2065         triggered if object has no symbols.
2066
2067 2011-09-09  David S. Miller  <davem@davemloft.net>
2068
2069         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2070         (Output_fill_debug_line::do_write): Likewise.
2071
2072 2011-08-29  Cary Coutant  <ccoutant@google.com>
2073
2074         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2075         casts to match formatting specs.
2076         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2077
2078 2011-08-26  Cary Coutant  <ccoutant@google.com>
2079
2080         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2081         remaining hole size when allocating.
2082         (Layout::make_output_section): Set fill methods for debug sections.
2083         * layout.h (Free_list::Free_list_node): Move from private to
2084         public.
2085         (Free_list::set_min_hole_size): New function.
2086         (Free_list::begin, Free_list::end): New functions.
2087         (Free_list::min_hole_): New data member.
2088         * output.cc: Include dwarf.h.
2089         (Output_fill_debug_info::do_minimum_hole_size): New function.
2090         (Output_fill_debug_info::do_write): New function.
2091         (Output_fill_debug_line::do_minimum_hole_size): New function.
2092         (Output_fill_debug_line::do_write): New function.
2093         (Output_section::Output_section): Initialize new data member.
2094         (Output_section::set_final_data_size): Ensure patch space is larger
2095         than minimum hole size.
2096         (Output_section::do_write): Fill holes in debug sections.
2097         * output.h (Output_fill): New class.
2098         (Output_fill_debug_info): New class.
2099         (Output_fill_debug_line): New class.
2100         (Output_section::set_free_space_fill): New function.
2101         (Output_section::free_space_fill_): New data member.
2102         * testsuite/Makefile.am (incremental_test_3): Add
2103         --incremental-patch option.
2104         (incremental_test_4): Likewise.
2105         (incremental_test_5): Likewise.
2106         (incremental_test_6): Likewise.
2107         (incremental_copy_test): Likewise.
2108         (incremental_common_test_1): Likewise.
2109         * testsuite/Makefile.in: Regenerate.
2110
2111 2011-08-26  Nick Clifton  <nickc@redhat.com>
2112
2113         * po/es.po: Updated Spanish translation.
2114
2115 2011-08-01  Cary Coutant  <ccoutant@google.com>
2116
2117         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2118         * gold/testsuite/Makefile.in: Regenerate.
2119         * gold/testsuite/justsyms_exec.c: New source file.
2120         * gold/testsuite/justsyms_lib.c: New source file.
2121
2122 2011-08-01  Cary Coutant  <ccoutant@google.com>
2123
2124         * layout.cc (Layout::set_segment_offsets): Don't realign text
2125         segment if -Ttext was specified.
2126         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2127         file type.
2128         * object.h (Sized_relobj_file::e_type): New function.
2129         (Sized_relobj_file::e_type_): New data member.
2130         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2131         base address for ET_EXEC files.
2132         * target.cc (Target::do_make_elf_object_implementation): Allow
2133         ET_EXEC files with --just-symbols option.
2134
2135 2011-07-28  Cary Coutant  <ccoutant@google.com>
2136
2137         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2138         Add thread_number parameter.
2139         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2140         * workqueue-threads.cc
2141         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2142         current thread if its thread number is greater than desired thread
2143         count.
2144         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2145         Add thread_number parameter.
2146         (Workqueue::should_cancel_thread): Likewise.
2147         (Workqueue::find_runnable_or_wait): Pass thread_number to
2148         should_cancel_thread.
2149         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2150         parameter.
2151
2152 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2153
2154         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2155         only after checking if it cannot be forced local.
2156         * symtab.h (is_externally_visible): Check if the symbol is not forced
2157         local.
2158
2159 2011-07-15  Ian Lance Taylor  <iant@google.com>
2160
2161         * options.h (class General_options): Add --print-output-format.
2162         Move -EL next to -EB, for  better --help output.
2163         * target-select.cc: Include <cstdio>, "options.h", and
2164         "parameters.h".
2165         (Target_selector::do_target_bfd_name): New function.
2166         (print_output_format): New function.
2167         * target-select.h (class Target_selector): Update declarations.
2168         (Target_selector::target_bfd_name): New function.
2169         (print_output_format): Declare.
2170         * main.cc: Include "target-select.h".
2171         (main): Handle --print-output-format.
2172         * gold.cc: Include "target-select.h".
2173         (queue_initial_tasks): Handle --print-output-format when there are
2174         no input files.
2175         * parameters.cc (parameters_force_valid_target): Give a better
2176         error message if -EB/-EL does not match target.
2177         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2178         function.
2179
2180 2011-07-15  Ian Lance Taylor  <iant@google.com>
2181
2182         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2183         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2184         (Output_data_plt_i386::do_write): Write address of .dynamic
2185         section to first entry in .got.plt section.
2186         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2187         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2188         Initialize layout_.
2189         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2190         section to first entry in .got.plt section.
2191         * layout.h (Layout::dynamic_section): New function.
2192
2193 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2194
2195         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2196         to claim_file call.
2197         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2198         input_section_position_, and input_section_glob_.
2199         (read_layout_from_file): Call function section_ordering_specified.
2200         * layout.h (is_section_ordering_specified): New function.
2201         (section_ordering_specified): New function.
2202         (section_ordering_specified_): New boolean member.
2203         * main.cc(main): Call load_plugins after layout object is defined.
2204         * output.cc (Output_section::add_input_section): Use
2205         function section_ordering_specified to check if section ordering is
2206         needed.
2207         * output.cc (Output_section::add_relaxed_input_section): Use
2208         function section_ordering_specified to check if section ordering is
2209         needed.
2210         (Output_section::update_section_layout): New function.
2211         (Output_section::sort_attached_input_sections): Check if input section
2212         must be reordered.
2213         * output.h (Output_section::update_section_layout): New function.
2214         * plugin.cc (get_section_count): New function.
2215         (get_section_type): New function.
2216         (get_section_name): New function.
2217         (get_section_contents): New function.
2218         (update_section_order): New function.
2219         (allow_section_ordering): New function.
2220         (Plugin::load): Add the new interfaces to the transfer vector.
2221         (Plugin_manager::load_plugins): New parameter.
2222         (Plugin_manager::all_symbols_read): New parameter.
2223         (Plugin_manager::claim_file): New parameter. Save the elf object for
2224         unclaimed objects.
2225         (Plugin_manager::get_elf_object): New function.
2226         (Plugin_manager::get_view): Change to directly use the bool to check
2227         if get_view is called from claim_file_hook.
2228         * plugin.h (input_objects): New function
2229         (Plugin__manager::load_plugins): New parameter.
2230         (Plugin_manager::claim_file): New parameter.
2231         (Plugin_manager::get_elf_object): New function.
2232         (Plugin_manager::in_claim_file_handler): New function.
2233         (Plugin_manager::in_claim_file_handler_): New member.
2234         (layout): New function.
2235         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2236         handler with an extra parameter. Make the elf object before calling
2237         claim_file handler.
2238         * testsuite/plugin_test.c (get_section_count): New function pointer.
2239         (get_section_type): New function pointer.
2240         (get_section_name): New function pointer.
2241         (get_section_contents): New function pointer.
2242         (update_section_order): New function pointer.
2243         (allow_section_ordering): New function pointer.
2244         (onload): Check if the new interfaces exist.
2245
2246 2011-07-13  Ian Lance Taylor  <iant@google.com>
2247
2248         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2249         relro section.
2250         * x86_64.cc (Target_x86_64::got_section): Likewise.
2251         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2252         (relro_now_test_SOURCES): New variable.
2253         (relro_now_test_DEPENDENCIES): New variable.
2254         (relro_now_test_LDFLAGS): New variable.
2255         (relro_now_test_LDADD): New variable.
2256         (relro_now_test.so): New target.
2257         * testsuite/Makefile.in: Rebuild.
2258
2259 2011-07-12  Ian Lance Taylor  <iant@google.com>
2260
2261         PR gold/12980
2262         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2263         GLOB_DAT relocation rather than a RELATIVE relocation for a
2264         protected symbol when creating a shared library.
2265         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2266         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2267         * testsuite/protected_main_1.cc (main): Test that protected
2268         function has same address.
2269
2270 2011-07-11  Ian Lance Taylor  <iant@google.com>
2271
2272         PR gold/12979
2273         * options.h (class General_options): Add -Bgroup.
2274         * options.cc (General_options::finalize): If -Bgroup is set,
2275         default to --unresolved-symbols=report-all.
2276         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2277         * target-reloc.h (issue_undefined_symbol_error): Handle
2278         --unresolved-symbols=report-all.
2279
2280 2011-07-08  Ian Lance Taylor  <iant@google.com>
2281
2282         PR gold/11985
2283         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2284         if linker script discards key sections.
2285         (Layout::create_dynamic_symtab): Likewise.
2286         (Layout::assign_local_dynsym_offsets): Likewise.
2287         (Layout::sized_create_version_sections): Likewise.
2288         (Layout::create_interp): Likewise.
2289         (Layout::finish_dynamic_section): Likewise.
2290         (Layout::set_dynamic_symbol_size): Likewise.
2291
2292 2011-07-08  Ian Lance Taylor  <iant@google.com>
2293
2294         PR gold/12386
2295         * options.h (class General_options): Add --unresolved-symbols.
2296         * target-reloc.h (issue_undefined_symbol_error): Check
2297         --unresolved-symbols.  Add comments.
2298
2299 2011-07-08  Ian Lance Taylor  <iant@google.com>
2300
2301         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2302         expression more complex.
2303
2304 2011-07-08  Ian Lance Taylor  <iant@google.com>
2305
2306         PR gold/11317
2307         * target-reloc.h (issue_undefined_symbol_error): New inline
2308         function, broken out of relocate_section.
2309         (relocate_section): Call issue_undefined_symbol_error.
2310         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2311         there is no TLS segment if we are about to issue an undefined
2312         symbol error.
2313         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2314
2315 2011-07-08  Ian Lance Taylor  <iant@google.com>
2316
2317         PR gold/12279
2318         * resolve.cc (Symbol_table::should_override): Add fromtype
2319         parameter.  Change all callers.  Give error when linking together
2320         TLS and non-TLS symbol.
2321         (Symbol_table::should_override_with_special): Add fromtype
2322         parameter.  Change all callers.
2323         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2324         there is no TLS segment if we have reported some errors.
2325         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2326
2327 2011-07-08  Ian Lance Taylor  <iant@google.com>
2328
2329         PR gold/12372
2330         * target.h (Target::plt_address_for_global): New function.
2331         (Target::plt_address_for_local): New function.
2332         (Target::plt_section_for_global): Remove.
2333         (Target::plt_section_for_local): Remove.
2334         (Target::do_plt_address_for_global): New virtual function.
2335         (Target::do_plt_address_for_local): New virtual function.
2336         (Target::do_plt_section_for_global): Remove.
2337         (Target::do_plt_section_for_local): Remove.
2338         (Target::register_global_plt_entry): Add Symbol_table and Layout
2339         parameters.
2340         * output.cc (Output_data_got::Got_entry::write): Use
2341         plt_address_for_global and plt_address_for_local.
2342         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2343         address of output section.
2344         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2345         got_irelative_, and irelative_count_ fields.  Update
2346         declarations.
2347         (Output_data_plt_i386::has_irelative_section): New function.
2348         (Output_data_plt_i386::entry_count): Add irelative_count_.
2349         (Output_data_plt_i386::set_final_data_size): Likewise.
2350         (class Target_i386): Add got_irelative_ and rel_irelative_
2351         fields.  Update declarations.
2352         (Target_i386::Target_i386): Initialize new fields.
2353         (Target_i386::do_plt_address_for_global): New function replacing
2354         do_plt_section_for_global.
2355         (Target_i386::do_plt_address_for_local): New function replacing
2356         do_plt_section_for_local.
2357         (Target_i386::got_section): Create got_irelative_.
2358         (Target_i386::rel_irelative_section): New function.
2359         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2360         fields.  Don't define __rel_iplt_{start,end}.
2361         (Output_data_plt_i386::add_entry): Add symtab and layout
2362         parameters.  Change all callers.  Use different PLT and GOT for
2363         IFUNC symbols.
2364         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2365         layout parameters.  Change all callers.  Use different PLT and
2366         GOT.
2367         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2368         (Output_data_plt_i386::rel_irelative): New function.
2369         (Output_data_plt_i386::address_for_global): New function.
2370         (Output_data_plt_i386::address_for_local): New function.
2371         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2372         IRELATIVE GOT when changing IFUNC GOT entries.
2373         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2374         reloc.
2375         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2376         if we didn't create an IRELATIVE GOT.
2377         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2378         plt_address_for_local.
2379         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2380         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2381         got_irelative_, and irelative_count_ fields.  Update
2382         declarations.
2383         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2384         Initialize new fields.  Remove symtab parameter.  Change all
2385         callers.
2386         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2387         irelative_count_.
2388         (Output_data_plt_x86_64::has_irelative_section): New function.
2389         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2390         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2391         fields.  Update declarations.
2392         (Target_x86_64::Target_x86_64): Initialize new fields.
2393         (Target_x86_64::do_plt_address_for_global): New function replacing
2394         do_plt_section_for_global.
2395         (Target_x86_64::do_plt_address_for_local): New function replacing
2396         do_plt_section_for_local.
2397         (Target_x86_64::got_section): Create got_irelative_.
2398         (Target_x86_64::rela_irelative_section): New function.
2399         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2400         all callers.  Don't create __rel_iplt_{start,end}.
2401         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2402         parameters.  Change all callers.  Use different PLT and GOT for
2403         IFUNC symbols.
2404         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2405         layout parameters.  Change all callers.  Use different PLT and
2406         GOT.
2407         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2408         parameters.  Change all callers.  Use different PLT and GOT for
2409         IFUNC symbols.
2410         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2411         (Output_data_plt_x86_64::rela_irelative): New function.
2412         (Output_data_plt_x86_64::address_for_global): New function.
2413         (Output_data_plt_x86_64::address_for_local): New function.
2414         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2415         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2416         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2417         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2418         parameters.
2419         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2420         reloc.
2421         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2422         symbols if we didn't create an IRELATIVE GOT.
2423         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2424         plt_address_for_local.
2425         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2426         * testsuite/ifuncvar1.c: New test file.
2427         * testsuite/ifuncvar2.c: New test file.
2428         * testsuite/ifuncvar3.c: New test file.
2429         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2430         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2431         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2432         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2433         * testsuite/Makefile.in: Rebuild.
2434
2435 2011-07-07  Cary Coutant  <ccoutant@google.com>
2436
2437         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2438         (two_file_test_1_ndebug.o): Likewise.
2439         (two_file_test_1b_ndebug.o): Likewise.
2440         (two_file_test_2_ndebug.o): Likewise.
2441         (two_file_test_main_ndebug.o): Likewise.
2442         (incremental_test_2): Link with no-debug versions.
2443
2444 2011-07-06  Cary Coutant  <ccoutant@google.com>
2445
2446         * gold/incremental.cc
2447         (Output_section_incremental_inputs::write_info_blocks): Check for
2448         hidden and internal symbols.
2449
2450 2011-07-06  Cary Coutant  <ccoutant@google.com>
2451
2452         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2453         Check disposition for startup file.
2454         (Incremental_inputs::report_command_line): Ignore
2455         --incremental-startup-unchanged option.
2456         * options.cc (General_options::parse_incremental_startup_unchanged):
2457         New function.
2458         (General_options::General_options): Initialize new data member.
2459         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2460         (General_options): Add --incremental-startup-unchanged option.
2461         (General_options::incremental_startup_disposition): New function.
2462         (General_options::incremental_startup_disposition_): New data member.
2463
2464 2011-07-06  Cary Coutant  <ccoutant@google.com>
2465
2466         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2467         input file index to Script_info ctor.
2468         (Sized_incremental_binary::do_file_has_changed): Find the
2469         command-line argument for files named in scripts.
2470         * incremental.h (Script_info::Script_info): New ctor
2471         with input file index.
2472         (Script_info::input_file_index): New function.
2473         (Script_info::input_file_index_): New data member.
2474         (Incremental_binary::get_library): Add const.
2475         (Incremental_binary::get_script_info): Add const.
2476         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2477         * testsuite/Makefile.am (incremental_test_5): New test case.
2478         (incremental_test_6): New test case.
2479         * testsuite/Makefile.in: Regenerate.
2480
2481 2011-07-06  Cary Coutant  <ccoutant@google.com>
2482
2483         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2484         debug output when command lines differ.
2485
2486 2011-07-06  Cary Coutant  <ccoutant@google.com>
2487
2488         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2489         --incremental-patch option.
2490         * layout.cc (Free_list::allocate): Extend allocation beyond original
2491         end if enabled.
2492         (Layout::make_output_section): Mark sections that should get
2493         patch space.
2494         * options.cc (parse_percent): New function.
2495         * options.h (parse_percent): New function.
2496         (DEFINE_percent): New macro.
2497         (General_options): Add --incremental-patch option.
2498         * output.cc (Output_section::Output_section): Initialize new data
2499         members.
2500         (Output_section::add_input_section): Print section name when out
2501         of patch space.
2502         (Output_section::add_output_section_data): Likewise.
2503         (Output_section::set_final_data_size): Add patch space when
2504         doing --incremental-full.
2505         (Output_section::do_reset_address_and_file_offset): Remove patch
2506         space.
2507         (Output_segment::set_section_list_addresses): Print debug output
2508         only if --incremental-update.
2509         * output.h (Output_section::set_is_patch_space_allowed): New function.
2510         (Output_section::is_patch_space_allowed_): New data member.
2511         (Output_section::patch_space_): New data member.
2512         * parameters.cc (Parameters::incremental_full): New function.
2513         * parameters.h (Parameters::incremental_full): New function
2514         * testsuite/Makefile.am (incremental_test_2): Add test for
2515         --incremental-patch option.
2516         * testsuite/Makefile.in: Regenerate.
2517         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2518         (t18): Remove function body.
2519
2520 2011-07-05  Doug Kwan  <dougkwan@google.com>
2521
2522         PR gold/12771
2523         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2524         Arm_Address type for relocation result.
2525         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2526         overflow check.
2527         (Arm_relocate_functions::abs32): Use unaligned access.
2528         (Arm_relocate_functions::rel32): Ditto.
2529         (Arm_relocate_functions::prel31): Ditto.
2530         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2531         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2532         static data relocations.
2533         * testsuite/Makefile.in: Regnerate.
2534         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2535
2536 2011-07-05  Ian Lance Taylor  <iant@google.com>
2537
2538         PR gold/12392
2539         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2540         symbols if necessary.
2541         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2542
2543 2011-07-05  Ian Lance Taylor  <iant@google.com>
2544
2545         PR gold/12952
2546         * resolve.cc (Symbol::override_base_with_special): Simply override
2547         version with special symbol version, ignoring previous version.
2548
2549 2011-07-05  Ian Lance Taylor  <iant@google.com>
2550
2551         * object.cc (Sized_relobj_file::include_section_group): Add
2552         information to comment about signature location.
2553
2554 2011-07-02  Ian Lance Taylor  <iant@google.com>
2555
2556         PR gold/12957
2557         * options.h (class General_options): Add -f and -F.
2558         * options.cc (General_options::finalize): Fatal error if -f/-F
2559         are used without -shared.
2560         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2561
2562 2011-07-02  Ian Lance Taylor  <iant@google.com>
2563
2564         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2565
2566 2011-07-01  Ian Lance Taylor  <iant@google.com>
2567
2568         PR gold/12525
2569         PR gold/12952
2570         * resolve.cc (Symbol::override_base_with_special): Don't override
2571         the version if the overriding symbol has a different name.
2572         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2573         all callers.  If we give an error about an undefined version,
2574         define the base version if necessary.
2575         * dynobj.h (class Versions): Update declaration.
2576         * testsuite/weak_alias_test_5.cc: New file.
2577         * testsuite/weak_alias_test.script: New file.
2578         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2579         and versioned_alias have the right value, and call t2.
2580         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2581         weak_alias_test_5.so.
2582         (weak_alias_test_LDADD): Likewise.
2583         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2584         * testsuite/Makefile.in: Rebuild.
2585
2586 2011-07-01  Ian Lance Taylor  <iant@google.com>
2587
2588         PR gold/12525
2589         * options.h (class General_options): Support -z notext.
2590         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2591         -Wl,-z,notext.
2592         (two_file_shared_nonpic.so): Likewise.
2593         (two_file_shared_mixed.so): Likewise.
2594         (two_file_shared_mixed_1.so): Likewise.
2595         (weak_undef_lib_nonpic.so): Likewise.
2596         (alt/weak_undef_lib_nonpic.so): Likewise.
2597         (tls_test_shared_nonpic.so): Likewise.
2598         * testsuite/Makefile.in: Rebuild.
2599
2600 2011-07-01  Ian Lance Taylor  <iant@google.com>
2601
2602         PR gold/12525
2603         * configure.ac: Test whether static linking works, setting
2604         the automake conditional HAVE_STATIC.
2605         * testsuite/Makefile.am: Disable tests using -static if
2606         HAVE_STATIC is not true.
2607         * configure, testsuite/Makefile.in: Rebuild.
2608
2609 2011-07-01  Ian Lance Taylor  <iant@google.com>
2610
2611         PR gold/12525
2612         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2613         Assert if we see DW_EH_PE_indirect.
2614         * target.h (Target::ehframe_datarel_base): New function.
2615         (Target::do_ehframe_datarel_base): New target function.
2616         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2617         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2618         function.
2619
2620 2011-07-01  Ian Lance Taylor  <iant@google.com>
2621
2622         PR gold/12571
2623         * options.h (class General_options): Add
2624         --ld-generated-unwind-info.
2625         * ehframe.cc (Fde::write): Add address parameter.  Change all
2626         callers.  If associated with PLT, fill in address and size.
2627         (Cie::set_output_offset): Only add merge mapping if there is an
2628         object.
2629         (Cie::write): Add address parameter.  Change all callers.
2630         (Eh_frame::add_ehframe_for_plt): New function.
2631         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2632         input_offset_ fields into union u_, with new plt field.
2633         (Fde::Fde): Adjust for new union field.
2634         (Fde::Fde) [Output_data version]: New constructor.
2635         (Fde::add_mapping): Only add merge mapping if there is an object.
2636         (class Cie): Update declarations.
2637         (class Eh_frame): Declare add_ehframe_for_plt.
2638         * layout.cc (Layout::layout_eh_frame): Break out code into
2639         make_eh_frame_section, and call it.
2640         (Layout::make_eh_frame_section): New function.
2641         (Layout::add_eh_frame_for_plt): New function.
2642         * layout.h (class Layout): Update declarations.
2643         * merge.cc (Merge_map::add_mapping): Add assertion.
2644         * i386.cc: Include "dwarf.h".
2645         (class Output_data_plt_i386): Make first_plt_entry,
2646         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2647         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2648         and plt_eh_frame_fde.
2649         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2650         boundary.  Call add_eh_frame_for_plt if appropriate.
2651         * x86_64.cc: Include "dwarf.h".
2652         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2653         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2654         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2655         and plt_eh_frame_fde.
2656         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2657         appropriate.
2658
2659 2011-06-29  Ian Lance Taylor  <iant@google.com>
2660
2661         PR gold/12629
2662         * object.cc (Sized_relobj_file::layout_section): Change shdr
2663         parameter to be const.
2664         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2665         out of do_layout.
2666         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2667         appropriate.  Call layout_eh_frame_section.
2668         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2669         sections.
2670         * object.h (class Sized_relobj_file): Update declarations.
2671
2672 2011-06-29  Ian Lance Taylor  <iant@google.com>
2673
2674         PR gold/12652
2675         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2676         modifier.
2677         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2678
2679 2011-06-29  Ian Lance Taylor  <iant@google.com>
2680
2681         PR gold/12675
2682         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2683         SHT_X86_64_UNWIND.
2684         * layout.cc (Layout::layout_eh_frame): Likewise.
2685
2686 2011-06-29  Ian Lance Taylor  <iant@google.com>
2687
2688         PR gold/12695
2689         * layout.cc (Layout::symtab_section_shndx): New function.
2690         * layout.h (class Layout): Declare symtab_section_shndx.
2691         * output.cc (Output_section::write_header): Call it.
2692
2693 2011-06-29  Ian Lance Taylor  <iant@google.com>
2694
2695         PR gold/12818
2696         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2697         symbols which are not used in a relocation.
2698
2699 2011-06-28  Ian Lance Taylor  <iant@google.com>
2700
2701         PR gold/12898
2702         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2703         script create indistinguishable segments.
2704         (Layout::set_segment_offsets): Use stable_sort when sorting
2705         segments.  Pass this to Compare_segments constructor.
2706         * layout.h (class Layout): Make segment_precedes non-static.
2707         (class Compare_segments): Change from struct to class.  Add
2708         layout_ field.  Add constructor.
2709         * script-sections.cc
2710         (Script_sections::attach_sections_using_phdrs_clause): Rename
2711         local orphan to is_orphan.  Don't report failure to put empty
2712         section in segment.  On attachment failure, report name of
2713         section, and attach to first PT_LOAD segment.
2714
2715 2011-06-28  Ian Lance Taylor  <iant@google.com>
2716
2717         PR gold/12934
2718         * target-select.cc (Target_selector::Target_selector): Add
2719         emulation parameter.  Change all callers.
2720         (select_target_by_bfd_name): Rename from select_target_by_name.
2721         Change all callers.
2722         (select_target_by_emulation): New function.
2723         (supported_emulation_names): New function.
2724         * target-select.h (class Target_selector): Add emulation_ field.
2725         Update declarations.
2726         (Target_selector::recognize_by_bfd_name): Rename from
2727         recognize_by_name.  Change all callers.
2728         (Target_selector::supported_bfd_names): Rename from
2729         supported_names.  Change all callers.
2730         (Target_selector::recognize_by_emulation): New function.
2731         (Target_selector::supported_emulations): New function.
2732         (Target_selector::emulation): New function.
2733         (Target_selector::do_recognize_by_bfd_name): Rename from
2734         do_recognize_by_name.  Change all callers.
2735         (Target_selector::do_supported_bfd_names): Rename from
2736         do_supported_names.  Change all callers.
2737         (Target_selector::do_recognize_by_emulation): New function.
2738         (Target_selector::do_supported_emulations): New function.
2739         (select_target_by_bfd_name): Change name in declaration.
2740         (select_target_by_emulation): Declare.
2741         (supported_emulation_names): Declare.
2742         * parameters.cc (parameters_force_valid_target): Try to find
2743         target based on emulation from -m option.
2744         * options.h (class General_options): Change doc string for -m.
2745         * options.cc (help): Print emulations.
2746         (General_options::parse_V): Likewise.
2747         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2748         Add emulation parameter.  Change all callers.
2749
2750 2011-06-28  Ian Lance Taylor  <iant@google.com>
2751
2752         * target.h (class Target): Add osabi_ field.
2753         (Target::osabi): New function.
2754         (Target::set_osabi): New function.
2755         (Target::Target): Initialize osabi_.
2756         (Target::do_adjust_elf_header): Make pure virtual.
2757         (Sized_target::do_adjust_elf_header): Declare.
2758         * target.cc (Sized_target::do_adjust_elf_header): New function.
2759         (class Sized_target): Instantiate all versions.
2760         * freebsd.h (class Target_freebsd): Remove.
2761         (Target_selector_freebsd::do_recognize): Call set_osabi on
2762         Target.
2763         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2764         (Target_selector_freebsd::set_osabi): Remove.
2765         * i386.cc (class Target_i386): Inherit from Sized_target rather
2766         than Target_freebsd.
2767         * x86_64.cc (class Target_x86_64): Likewise.
2768
2769 2011-06-28  Ian Lance Taylor  <iant@google.com>
2770
2771         * target.h (Target::can_check_for_function_pointers): Rewrite.
2772         Make non-virtual.
2773         (Target::can_icf_inline_merge_sections): Likewise.
2774         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2775         (Target::Target_info): Add can_icf_inline_merge_sections field.
2776         (Target::do_can_check_for_function_pointers): New virtual
2777         function.
2778         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2779         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2780         from can_check_for_function_pointers, move in file.
2781         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2782         section_may_have_icf_unsafe_poineters, move in file.
2783         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2784         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2785         Rename from can_check_for_function_pointers, move in file.
2786         (Target_i386::can_icf_inline_merge_sections): Remove.
2787         (Target_i386::i386_info): Initialize
2788         can_icf_inline_merge_sections.
2789         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2790         Initialize can_icf_inline_merge_sections.
2791         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2792         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2793         Rename from can_check_for_function_pointers, move in file.
2794         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2795         (Target_x86_64::x86_64_info): Initialize
2796         can_icf_inline_merge_sections.
2797         * testsuite/testfile.cc (Target_test::test_target_info):
2798         Likewise.
2799         * icf.cc (get_section_contents): Correct formatting.
2800
2801 2011-06-27  Ian Lance Taylor  <iant@google.com>
2802
2803         * symtab.cc (Symbol::versioned_name): New function.
2804         (Symbol_table::add_to_final_symtab): Use versioned_name when
2805         appropriate.
2806         (Symbol_table::sized_write_symbol): Likewise.
2807         * symtab.h (class Symbol): Declare versioned_name.
2808         * stringpool.h (class Stringpool_template): Add variant of add
2809         which takes a std::basic_string.
2810         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2811         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2812         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2813         (ver_test_12.o): New target.
2814         * testsuite/Makefile.in: Rebuild.
2815
2816 2011-06-27  Doug Kwan  <dougkwan@google.com>
2817
2818         * arm.cc (Arm_relocate_functions::thm_jump8,
2819         Arm_relocate_functions::thm_jump11): Use a wider signed
2820         type to compute offset.
2821         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2822         arm_thm_jump8.
2823         * testsuite/Makefile.in: Regenerate.
2824         * testsuite/arm_branch_in_range.sh: Check test results of
2825         arm_thm_jump11 and arm_thm_jump8.
2826         * testsuite/arm_thm_jump11.s: New test source file.
2827         * testsuite/arm_thm_jump11.t: New linker script.
2828         * testsuite/arm_thm_jump8.s: New test source file.
2829         * testsuite/arm_thm_jump8.t: New linker script.
2830
2831 2011-06-24  Ian Lance Taylor  <iant@google.com>
2832
2833         * layout.cc: Include "object.h".
2834         (ctors_sections_in_init_array): New static variable.
2835         (Layout::is_ctors_in_init_array): New function.
2836         (Layout::layout): Add entry to ctors_sections_in_init_array if
2837         appropriate.
2838         * layout.h (class Layout): Declare is_ctors_in_init_array.
2839         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2840         is_ctors_reverse_view is set.
2841         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2842         all callers.  Set is_ctors_reverse_view field of View_size.
2843         (Sized_relobj_file::reverse_words): New function.
2844         * object.h (Sized_relobj_file::View_size): Add
2845         is_ctors_reverse_view field.
2846         (class Sized_relobj_file): Update declarations.
2847         * testsuite/initpri3.c: New test.
2848         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2849         initpri3b.
2850         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2851         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2852         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2853         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2854         * testsuite/Makefile.in: Rebuild.
2855
2856 2011-06-24  Cary Coutant  <ccoutant@google.com>
2857
2858         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2859         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2860         (debug_msg_cdebug.err): New targets.
2861         * testsuite/Makefile.in: Regenerate.
2862         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2863         Fix checks for link with shared library.
2864
2865 2011-06-24  Doug Kwan  <dougkwan@google.com>
2866
2867         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2868         skip empty text sections.
2869         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2870
2871 2011-06-22  Ian Lance Taylor  <iant@google.com>
2872
2873         PR gold/12910
2874         * options.h (class General_options): Add --ctors-in-init-array.
2875         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2876         friends as SHT_PROGBITS for merging sections.
2877         (Layout::layout): Remove special handling of .init_array and
2878         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2879         and .dtors if ctors_in_init_array.
2880         (Layout::make_output_section): Force correct section types for
2881         .init_array and friends.  Don't sort if doing relocatable link,
2882         Don't sort .ctors and .dtors if ctors_in_init_array.
2883         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2884         (Layout::output_section_name): Add relobj parameter.  Change all
2885         callers.  Handle .ctors. and .dtors. in code rather than table.
2886         Handle .ctors and .dtors if ctors_in_init_array.
2887         (Layout::match_file_name): New function, moved from output.cc.
2888         * layout.h (class Layout): Update declarations.
2889         * output.cc: Include "layout.h".
2890         (Input_section_sort_entry::get_priority): New function.
2891         (Input_section_sort_entry::match_file_name): Just call
2892         Layout::match_file_name.
2893         (Output_section::Input_section_sort_init_fini_compare::operator()):
2894         Handle .ctors and .dtors.  Sort by explicit priority rather than
2895         by name.
2896         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2897         * testsuite/initpri2.c: New test.
2898         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2899         (check_PROGRAMS): Add initpri2.
2900         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2901         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2902         * configure, testsuite/Makefile.in: Rebuild.
2903
2904 2011-06-19  Ian Lance Taylor  <iant@google.com>
2905
2906         PR gold/12880
2907         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2908         .interp section to a PT_INTERP segment even if we have seen a
2909         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2910         clause in a linker script.
2911         (Layout::finalize): Don't create a .interp section if we've
2912         already create a PT_INTERP segment.
2913         (Layout::create_interp): Always call choose_output_section (revert
2914         patch of 2011-06-17).  Don't create PT_INTERP segment.
2915         * script-sections.cc
2916         (Script_sections::create_note_and_tls_segments): Add a .interp
2917         section to a PT_INTERP segment even if we have seen a
2918         --dynamic-linker option.
2919
2920 2011-06-18  Ian Lance Taylor  <iant@google.com>
2921
2922         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2923         merely because a non-PT_LOAD segment has a dynamic reloc.
2924
2925 2011-06-18  Ian Lance Taylor  <iant@google.com>
2926
2927         * layout.cc (Layout::finish_dynamic_section): Don't create
2928         DT_FLAGS entry if not needed.
2929
2930 2011-06-18  Ian Lance Taylor  <iant@google.com>
2931
2932         PR gold/12745
2933         * layout.cc (Layout::layout_eh_frame): Correct handling of
2934         writable .eh_frame section.
2935
2936 2011-06-17  Ian Lance Taylor  <iant@google.com>
2937
2938         PR gold/12893
2939         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2940         symbol is redefined with the exact same object and value.
2941
2942 2011-06-17  Ian Lance Taylor  <iant@google.com>
2943
2944         PR gold/12880
2945         * layout.h (class Layout): Add interp_segment_ field.
2946         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2947         (Layout::attach_allocated_section_to_segment): If making shared
2948         library, put .interp section in PT_INTERP segment.
2949         (Layout::finalize): Also call create_interp if -dynamic-linker
2950         option was used.
2951         (Layout::create_interp): Assert that there is no PT_INTERP
2952         segment.  If not using a SECTIONS clause, use make_output_section.
2953         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2954         * script-sections.cc
2955         (Script_sections::create_note_and_tls_segments): If making shared
2956         library, put .interp section in PT_INTERP segment.
2957
2958 2011-06-17  Ian Lance Taylor  <iant@google.com>
2959
2960         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2961         when making a shared library.
2962
2963 2011-06-17  Ian Lance Taylor  <iant@google.com>
2964
2965         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2966         parameter.  Change all callers.  Don't issue warning about PC32
2967         against locally defined symbol.
2968
2969 2011-06-16  Ian Lance Taylor  <iant@google.com>
2970
2971         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2972         occurs in same object.
2973
2974 2011-06-14  Alan Modra  <amodra@gmail.com>
2975
2976         * po/POTFILES.in: Regenerate.
2977
2978 2011-06-09  Ian Lance Taylor  <iant@google.com>
2979
2980         * script-sections.cc
2981         (Orphan_output_section::set_section_addresses): For a relocatable
2982         link set address to 0.
2983
2984 2011-06-09  Cary Coutant  <ccoutant@google.com>
2985
2986         PR gold/12804
2987         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2988         used with --compress-debug-sections.
2989         * gold/object.cc (Sized_relobj_file::do_layout): Report
2990         uncompressed size of compressed input sections.
2991
2992 2011-06-08  Cary Coutant  <ccoutant@google.com>
2993
2994         PR gold/12804
2995         * testsuite/two_file_test_2_v1.cc: Change initialization of
2996         v2 to keep it in .data.
2997
2998 2011-06-07  Cary Coutant  <ccoutant@google.com>
2999
3000         * common.cc (Symbol_table::do_allocate_commons_list): Call
3001         gold_fallback.
3002         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3003         (Errors::fallback): New function.
3004         (gold_fallback): New function.
3005         * errors.h (Errors::fallback): New function.
3006         * gold.cc (gold_exit): Change status parameter to enum; adjust
3007         all callers.
3008         (queue_initial_tasks): Call gold_fallback.
3009         * gold.h: Include cstdlib.
3010         (Exit_status): New enum type.
3011         (gold_exit): Change status parameter to enum.
3012         (gold_fallback): New function.
3013         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3014         (Layout::create_symtab_sections): Likewise.
3015         (Layout::create_shdrs): Likewise.
3016         * main.cc (main): Adjust call to gold_exit.
3017         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3018         (Output_data_got::add_got_entry_pair): Likewise.
3019         (Output_section::add_input_section): Likewise.
3020         (Output_section::add_output_section_data): Likewise.
3021         (Output_segment::set_section_list_addresses): Likewise.
3022         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3023
3024 2011-06-07  Cary Coutant  <ccoutant@google.com>
3025
3026         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3027         for incremental links.
3028         * output.cc (Output_segment::set_section_list_addresses): Remove
3029         FIXME and test for TLS or BSS.
3030
3031 2011-06-07  Cary Coutant  <ccoutant@google.com>
3032
3033         * testsuite/Makefile.am: Add incremental_copy_test,
3034         incremental_common_test_1.
3035         * testsuite/Makefile.in: Regenerate.
3036         * testsuite/common_test_1_v1.c: New source file.
3037         * testsuite/common_test_1_v2.c: New source file.
3038         * testsuite/copy_test_v1.cc: New source file.
3039
3040 2011-06-07  Cary Coutant  <ccoutant@google.com>
3041
3042         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3043         update, allocate common from bss section's free list.
3044         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3045         linker-defined symbols.
3046         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3047         Skip GOT and PLT entries that are no longer referenced.
3048         (Output_section_incremental_inputs::write_info_blocks): Mark
3049         linker-defined symbols.
3050         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3051         * output.cc (Output_section::allocate): New function.
3052         * output.h (Output_section::allocate): New function.
3053         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3054         linker-defined symbols.
3055         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3056         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3057         (Symbol::init_base_output_data): Likewise.
3058         (Symbol::init_base_output_segment): Likewise.
3059         (Symbol::init_base_constant): Likewise.
3060         (Sized_symbol::init_output_data): Likewise.
3061         (Sized_symbol::init_output_segment): Likewise.
3062         (Sized_symbol::init_constant): Likewise.
3063         (Symbol_table::do_define_in_output_data): Likewise.
3064         (Symbol_table::do_define_in_output_segment): Likewise.
3065         (Symbol_table::do_define_as_constant): Likewise.
3066         * symtab.h (Symbol::is_predefined): New function.
3067         (Symbol::init_base_output_data): Add is_predefined parameter.
3068         (Symbol::init_base_output_segment): Likewise.
3069         (Symbol::init_base_constant): Likewise.
3070         (Symbol::is_predefined_): New data member.
3071         (Sized_symbol::init_output_data): Add is_predefined parameter.
3072         (Sized_symbol::init_output_segment): Likewise.
3073         (Sized_symbol::init_constant): Likewise.
3074         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3075
3076 2011-06-07  Cary Coutant  <ccoutant@google.com>
3077
3078         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3079         instead of emit_copy_reloc.
3080         (Copy_relocs::emit_copy_reloc): Refactor.
3081         (Copy_relocs::make_copy_reloc): New function.
3082         (Copy_relocs::add_copy_reloc): Remove.
3083         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3084         section.
3085         (Copy_relocs::make_copy_reloc): New function.
3086         (Copy_relocs::add_copy_reloc): Remove.
3087         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3088         unchanged input files.
3089         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3090         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3091         Reserve BSS space for COPY relocations.
3092         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3093         (Output_section_incremental_inputs::write_info_blocks): Record
3094         whether a symbol is copied from a shared object.
3095         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3096         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3097         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3098         (Incremental_input_entry_reader::get_output_symbol_index): Add
3099         is_copy parameter.
3100         (Incremental_binary::emit_copy_relocs): New function.
3101         (Incremental_binary::do_emit_copy_relocs): New function.
3102         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3103         new data member.
3104         (Sized_incremental_binary::add_copy_reloc): New function.
3105         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3106         (Sized_incremental_binary::Copy_reloc): New struct.
3107         (Sized_incremental_binary::Copy_relocs): New typedef.
3108         (Sized_incremental_binary::copy_relocs_): New data member.
3109         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3110         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3111         * target.h (Sized_target::emit_copy_reloc): New function.
3112         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3113
3114 2011-06-02  Cary Coutant  <ccoutant@google.com>
3115
3116         PR gold/12163
3117         * gold/archive.cc (Archive::Archive): Initialize new data member.
3118         (Archive::include_all_members): Return if archive has already been
3119         included.
3120         * gold/archive.h (Archive::include_all_members_): New data member.
3121
3122 2011-06-02  Nick Clifton  <nickc@redhat.com>
3123
3124         * dynobj.h: Fix spelling mistake in comment.
3125         * output.cc: Likewise.
3126
3127 2011-05-31  Doug Kwan  <dougkwan@google.com>
3128             Asier Llano
3129
3130         PR gold/12826
3131         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3132         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3133         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3134         redundant arm_exidx_test.so.
3135         * testsuite/Makefile.in: Regenerate.
3136         (check_SCRIPTS): Add pr12826.sh
3137         (check_DATA): Add pr12826.stdout
3138         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3139         * testsuite/pr12826.sh: New file.
3140         * testsuite/pr12826_1.s: Ditto.
3141         * testsuite/pr12826_1.s: Ditto.
3142
3143 2011-05-30  Ian Lance Taylor  <iant@google.com>
3144
3145         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3146         sections.
3147
3148 2011-05-29  Ian Lance Taylor  <iant@google.com>
3149
3150         PR gold/12804
3151         * testsuite/Makefile.am: Use different file name for two_file_test
3152         temporary file for each incremental test.
3153         * testsuite/Makefile.in: Rebuild.
3154
3155 2011-05-29  Ian Lance Taylor  <iant@google.com>
3156
3157         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3158         binary input file is empty.
3159
3160 2011-05-27  Ian Lance Taylor  <iant@google.com>
3161
3162         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3163         (ver_test_9.so): Likewise.
3164         * testsuite/Makefile.in: Rebuild.
3165
3166 2011-05-26 Cary Coutant  <ccoutant@google.com>
3167
3168         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3169         * incremental.cc (Incremental_inputs::report_input_section): Fix
3170         comment, indentation.
3171         (Incremental_inputs::report_comdat_group): New function.
3172         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3173         of data for incremental input file entry.
3174         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3175         group count, COMDAT group signatures.
3176         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3177         an unchanged input file.
3178         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3179         Initialize new data member.
3180         (Incremental_object_entry::add_comdat_group): New function.
3181         (Incremental_object_entry::get_comdat_group_count): New function.
3182         (Incremental_object_entry::get_comdat_signature_key): New function.
3183         (Incremental_object_entry::groups_): New data member.
3184         (Incremental_inputs::report_comdat_group): New function.
3185         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3186         data for incremental input file entry.
3187         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3188         (Incremental_input_entry_reader::get_input_section): Adjust size of
3189         data for incremental input file entry.
3190         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3191         (Incremental_input_entry_reader::get_comdat_group_signature): New
3192         function.
3193         * object.cc (Sized_relobj::include_section_group): Report kept
3194         COMDAT groups for incremental links.
3195
3196 2011-05-24  David Meyer  <pdox@google.com>
3197
3198         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3199         with name parameter.  Add found_name parameter.
3200         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3201         * dirsearch.h (class Dirsearch): Update declaration.
3202
3203 2011-05-24  Ian Lance Taylor  <iant@google.com>
3204
3205         * archive.cc (Library_base::should_include_member): Pull in object
3206         from archive if it defines the entry symbol.
3207         * parameters.cc (Parameters::entry): New function.
3208         * parameters.h (class Parameters): Declare entry.
3209         * output.h (class Output_file_header): Remove entry_ field.
3210         * output.cc (Output_file_header::Output_file_header): Remove entry
3211         parameter.  Change all callers.
3212         (Output_file_header::entry): Use parameters->entry.
3213         * gold.cc (queue_middle_tasks): Likewise.
3214         * plugin.cc (Plugin_hook::run): Likewise.
3215
3216 2011-05-24 Cary Coutant  <ccoutant@google.com>
3217
3218         * gold.cc (queue_initial_tasks): Pass incremental base filename
3219         to Output_file::open_base_file; don't print error message.
3220         * incremental-dump.cc (main): Adjust call to
3221         Output_file::open_for_modification.
3222         * incremental-dump.cc (main): Likewise.
3223         * incremental.cc (Incremental_inputs::report_command_line):
3224         Ignore --incremental-base option when comparing command lines.
3225         Ignore parameter when given as separate argument.
3226         * options.h (class General_options): Add --incremental-base.
3227         * output.cc (Output_file::Output_file):
3228         (Output_file::open_base_file): Add base_name and writable parameters;
3229         read base file into new file; print error message here.
3230         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3231         callers.
3232         * output.h (Output_file::open_for_modification): Rename to...
3233         (Output_file::open_base_file): ...this; add base_name and
3234         writable parameters; adjust all callers.
3235         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3236         callers.
3237         * testsuite/Makefile.am (incremental_test_4): Test
3238         --incremental-base.
3239         * testsuite/Makefile.in: Regenerate.
3240
3241 2011-05-24 Cary Coutant  <ccoutant@google.com>
3242
3243         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3244         incremental_test_4.
3245         * testsuite/Makefile.in: Regenerate.
3246         * testsuite/two_file_test_1_v1.cc: New test source file.
3247         * testsuite/two_file_test_1b_v1.cc: New test source file.
3248         * testsuite/two_file_test_2_v1.cc: New test source file.
3249
3250 2011-05-24 Cary Coutant  <ccoutant@google.com>
3251
3252         * dynobj.h (Dynobj::do_dynobj): New function.
3253         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3254         flag and soname for shared objects.
3255         * incremental.cc (Incremental_inputs::report_object): Make
3256         either Incremental_object_entry or Incremental_dynobj_entry; add
3257         soname to string table.
3258         (Incremental_inputs::report_input_section): Add assertion.
3259         (Output_section_incremental_inputs::set_final_data_size): Adjust
3260         type of input file entry for shared libraries; adjust size of
3261         shared library info entry.
3262         (Output_section_incremental_inputs::write_input_files): Write
3263         as_needed flag for shared libraries.
3264         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3265         of input file entry for shared libraries; write soname.
3266         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3267         soname from incremental info.
3268         * incremental.h (enum Incremental_input_flags): Add
3269         INCREMENTAL_INPUT_AS_NEEDED.
3270         (Incremental_input_entry::Incremental_input_entry): Initialize new
3271         data member.
3272         (Incremental_input_entry::set_as_needed): New function.
3273         (Incremental_input_entry::as_needed): New function.
3274         (Incremental_input_entry::do_dynobj_entry): New function.
3275         (Incremental_input_entry::as_needed_): New data member.
3276         (Incremental_object_entry::Incremental_object_entry): Don't check
3277         for shared library.
3278         (Incremental_object_entry::do_type): Likewise.
3279         (class Incremental_dynobj_entry): New class.
3280         (Incremental_input_entry_reader::as_needed): New function.
3281         (Incremental_input_entry_reader::get_soname): New function.
3282         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3283         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3284         size of shared library info entry.
3285         * layout.cc (Layout::finish_dynamic_section): Don't test for
3286         incremental link when adding DT_NEEDED entries.
3287         * object.h (Object::Object): Initialize new data member.
3288         (Object::dynobj): New function.
3289         (Object::set_as_needed): New function.
3290         (Object::as_needed): New function.
3291         (Object::do_dynobj): New function.
3292         (Object::as_needed_): New data member.
3293
3294 2011-05-24 Cary Coutant  <ccoutant@google.com>
3295
3296         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3297         info; adjust display of GOT entries.
3298         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3299         vector of input objects; remove file_status_.
3300         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3301         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3302         got_plt reader; call target hooks to reserve GOT entries.
3303         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3304         of input file info header and GOT info entry.
3305         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3306         relocation info.
3307         (Got_plt_view_info::got_descriptor): Remove.
3308         (Got_plt_view_info::sym_index): New data member.
3309         (Got_plt_view_info::input_index): New data member.
3310         (Local_got_offset_visitor::visit): Write input file index.
3311         (Global_got_offset_visitor::visit): Write 0 for input file index.
3312         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3313         with sym_index and input_index.
3314         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3315         incremental info GOT entry; replace got_descriptor with input_index.
3316         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3317         map from input file index to object.
3318         (Sized_relobj_incr::do_layout): Replace direct data member reference
3319         with accessor function.
3320         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3321         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3322         Adjust size of input file info header.
3323         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3324         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3325         (Incremental_input_entry_reader::get_input_section): Adjust size of
3326         input file info header.
3327         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3328         of incremental info GOT entry.
3329         (Incremental_got_plt_reader::get_got_desc): Remove.
3330         (Incremental_got_plt_reader::get_got_symndx): New function.
3331         (Incremental_got_plt_reader::get_got_input_index): New function.
3332         (Sized_incremental_binary::Sized_incremental_binary): Remove
3333         file_status_; add input_objects_.
3334         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3335         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3336         (Sized_incremental_binary::file_is_unchanged): Remove.
3337         (Sized_incremental_binary::set_input_object): New function.
3338         (Sized_incremental_binary::input_object): New function.
3339         (Sized_incremental_binary::file_status_): Remove.
3340         (Sized_incremental_binary::input_objects_): New data member.
3341         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3342         references.
3343         (Sized_relobj_incr::invalid_address): Move to base class.
3344         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3345         class.
3346         (Sized_relobj_incr::do_output_section_offset): Likewise.
3347         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3348         (Sized_relobj_incr::section_offsets_): Likewise.
3349         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3350         function.
3351         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3352         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3353         with accessor function.
3354         (Sized_relobj_file::do_layout): Likewise.
3355         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3356         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3357         (Sized_relobj_file::compute_final_local_value): Replace refs to
3358         section_offsets_ with accessor function.
3359         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3360         * object.h (Relobj::Relobj): Initialize new data members.
3361         (Relobj::add_dyn_reloc): New function.
3362         (Relobj::first_dyn_reloc): New function.
3363         (Relobj::dyn_reloc_count): New function.
3364         (Relobj::first_dyn_reloc_): New data member.
3365         (Relobj::dyn_reloc_count_): New data member.
3366         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3367         references.
3368         (Sized_relobj::Address): New typedef.
3369         (Sized_relobj::invalid_address): Move here from child class.
3370         (Sized_relobj::Sized_relobj): Initialize new data members.
3371         (Sized_relobj::sized_relobj): New function.
3372         (Sized_relobj::is_output_section_offset_invalid): Move here from
3373         child class.
3374         (Sized_relobj::get_output_section_offset): Likewise.
3375         (Sized_relobj::local_has_got_offset): Likewise.
3376         (Sized_relobj::local_got_offset): Likewise.
3377         (Sized_relobj::set_local_got_offset): Likewise.
3378         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3379         (Sized_relobj::clear_got_offsets): New function.
3380         (Sized_relobj::section_offsets): Move here from child class.
3381         (Sized_relobj::do_output_section_offset): Likewise.
3382         (Sized_relobj::do_set_section_offset): Likewise.
3383         (Sized_relobj::Local_got_offsets): Likewise.
3384         (Sized_relobj::local_got_offsets_): Likewise.
3385         (Sized_relobj::section_offsets_): Likewise.
3386         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3387         references.
3388         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3389         class.
3390         (Sized_relobj_file::sized_relobj): New function
3391         (Sized_relobj_file::local_has_got_offset): Move to base class.
3392         (Sized_relobj_file::local_got_offset): Likewise.
3393         (Sized_relobj_file::set_local_got_offset): Likewise.
3394         (Sized_relobj_file::get_output_section_offset): Likewise.
3395         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3396         (Sized_relobj_file::do_output_section_offset): Likewise.
3397         (Sized_relobj_file::do_set_section_offset): Likewise.
3398         (Sized_relobj_file::Local_got_offsets): Likewise.
3399         (Sized_relobj_file::local_got_offsets_): Likewise.
3400         (Sized_relobj_file::section_offsets_): Likewise.
3401         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3402         (all constructors).
3403         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3404         (Output_reloc::get_symbol_index): Likewise.
3405         (Output_reloc::local_section_offset): Likewise.
3406         (Output_reloc::get_address): Likewise.
3407         (Output_reloc::symbol_value): Likewise.
3408         (Output_data_got::reserve_slot): Move to class definition.
3409         (Output_data_got::reserve_local): New function.
3410         (Output_data_got::reserve_slot_for_global): Remove.
3411         (Output_data_got::reserve_global): New function.
3412         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3413         (all constructors, two instantiations).
3414         (Output_reloc::get_relobj): New function (two instantiations).
3415         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3416         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3417         (Output_data_reloc::add_global): Adjust type of relobj.
3418         (Output_data_reloc::add_global_relative): Likewise.
3419         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3420         (Output_data_reloc::add_local): Likewise.
3421         (Output_data_reloc::add_local_relative): Likewise.
3422         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3423         (Output_data_reloc::add_local_section): Likewise.
3424         (Output_data_reloc::add_output_section): Likewise.
3425         (Output_data_reloc::add_absolute): Likewise.
3426         (Output_data_reloc::add_target_specific): Likewise.
3427         (Output_data_got::reserve_slot): Move definition here.
3428         (Output_data_got::reserve_local): New function.
3429         (Output_data_got::reserve_global): New function.
3430         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3431         section_offsets_ with accessor function.
3432         (Sized_relobj_file::write_sections): Likewise.
3433         (Sized_relobj_file::do_relocate_sections): Likewise.
3434         * target.h (Sized_target::reserve_local_got_entry): New function.
3435         (Sized_target::reserve_global_got_entry): New function.
3436         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3437         (Target_x86_64::reserve_global_got_entry): New function.
3438         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3439
3440 2011-05-23 Cary Coutant  <ccoutant@google.com>
3441
3442         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3443         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3444         bit when checking got_type.
3445         * incremental.cc (Sized_incremental_binary::setup_readers):
3446         Store symbol table and string table locations; initialize bit vector
3447         of file status flags.
3448         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3449         unchanged files.
3450         (Sized_incremental_binary::do_process_got_plt): New function.
3451         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3452         (Output_section_incremental_inputs::set_final_data_size): Record
3453         file index for each input file.
3454         (Output_section_incremental_inputs::write_got_plt): Store file index
3455         instead of input entry offset for each GOT entry.
3456         * incremental.h
3457         (Incremental_input_entry::Incremental_input_entry): Initialize new
3458         data member.
3459         (Incremental_input_entry::set_offset): Store file index.
3460         (Incremental_input_entry::get_file_index): New function.
3461         (Incremental_input_entry::file_index_): New data member.
3462         (Incremental_binary::process_got_plt): New function.
3463         (Incremental_binary::do_process_got_plt): New function.
3464         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3465         data members.
3466         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3467         (Sized_incremental_binary::set_file_is_unchanged): New function.
3468         (Sized_incremental_binary::file_is_unchanged): New function.
3469         (Sized_incremental_binary::do_process_got_plt): New function.
3470         (Sized_incremental_binary::file_status_): New data member.
3471         (Sized_incremental_binary::main_symtab_loc_): New data member.
3472         (Sized_incremental_binary::main_strtab_loc_): New data member.
3473         * output.cc (Output_data_got::Got_entry::write): Add case
3474         RESERVED_CODE.
3475         (Output_data_got::add_global): Call add_got_entry.
3476         (Output_data_got::add_global_plt): Likewise.
3477         (Output_data_got::add_global_with_rel): Likewise.
3478         (Output_data_got::add_global_with_rela): Likewise.
3479         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3480         (Output_data_got::add_global_pair_with_rela): Likewise.
3481         (Output_data_got::add_local): Call add_got_entry.
3482         (Output_data_got::add_local_plt): Likewise.
3483         (Output_data_got::add_local_with_rel): Likewise.
3484         (Output_data_got::add_local_with_rela): Likewise.
3485         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3486         (Output_data_got::add_local_pair_with_rela): Likewise.
3487         (Output_data_got::reserve_slot): New function.
3488         (Output_data_got::reserve_slot_for_global): New function.
3489         (Output_data_got::add_got_entry): New function.
3490         (Output_data_got::add_got_entry_pair): New function.
3491         (Output_section::add_output_section_data): Edit FIXME.
3492         * output.h
3493         (Output_section_data_build::Output_section_data_build): New
3494         constructor with size parameter.
3495         (Output_data_space::Output_data_space): Likewise.
3496         (Output_data_got::Output_data_got): Initialize new data member; new
3497         constructor with size parameter.
3498         (Output_data_got::add_constant): Call add_got_entry.
3499         (Output_data_got::reserve_slot): New function.
3500         (Output_data_got::reserve_slot_for_global): New function.
3501         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3502         (Output_data_got::add_got_entry): New function.
3503         (Output_data_got::add_got_entry_pair): New function.
3504         (Output_data_got::free_list_): New data member.
3505         * target.h (Sized_target::init_got_plt_for_update): New function.
3506         (Sized_target::register_global_plt_entry): New function.
3507         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3508         Initialize new data member; call init; add constructor with PLT count.
3509         (Output_data_plt_x86_64::init): New function.
3510         (Output_data_plt_x86_64::add_relocation): New function.
3511         (Output_data_plt_x86_64::reserve_slot): New function.
3512         (Output_data_plt_x86_64::free_list_): New data member.
3513         (Target_x86_64::init_got_plt_for_update): New function.
3514         (Target_x86_64::register_global_plt_entry): New function.
3515         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3516         incremental updates.
3517         (Output_data_plt_x86_64::add_relocation): New function.
3518         * testsuite/object_unittest.cc (Object_test): Set default options.
3519
3520 2011-05-16  Ian Lance Taylor  <iant@google.com>
3521
3522         * options.h (class General_options): Make -i a synonym for -r.
3523
3524 2011-05-16  Ian Lance Taylor  <iant@google.com>
3525
3526         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3527
3528 2011-05-10 Cary Coutant  <ccoutant@google.com>
3529
3530         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3531         strip_all (-s).
3532
3533 2011-05-06  Ian Lance Taylor  <iant@google.com>
3534
3535         * layout.cc (Layout::layout): If the output section flags change,
3536         update the ordering.
3537
3538 2011-04-25 Cary Coutant  <ccoutant@google.com>
3539
3540         * incremental-dump.cc (dump_incremental_inputs): Print local
3541         symbol info for each input file.
3542         * incremental.cc
3543         (Output_section_incremental_inputs::set_final_data_size): Add local
3544         symbol info to input file entries in incremental info.
3545         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3546         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3547         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3548         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3549         implementation.
3550         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3551         (Sized_incr_relobj::do_relocate): Write the local symbols.
3552         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3553         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3554         Adjust size of input file header.
3555         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3556         (Incremental_inputs_reader::get_local_symbol_count): New function.
3557         (Incremental_inputs_reader::get_input_section): Adjust size of input
3558         file header.
3559         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3560         (Sized_incr_relobj::This): New typedef.
3561         (Sized_incr_relobj::sym_size): New const data member.
3562         (Sized_incr_relobj::Local_symbol): New struct.
3563         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3564         (Sized_incr_relobj::do_local_symbol_offset): New function.
3565         (Sized_incr_relobj::local_symbol_count_): New data member.
3566         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3567         (Sized_incr_relobj::local_symbol_index_): New data member.
3568         (Sized_incr_relobj::local_symbol_offset_): New data member.
3569         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3570         (Sized_incr_relobj::local_symbols_): New data member.
3571         * object.h (Relobj::output_local_symbol_count): New function.
3572         (Relobj::local_symbol_offset): New function.
3573         (Relobj::do_output_local_symbol_count): New function.
3574         (Relobj::do_local_symbol_offset): New function.
3575         (Sized_relobj::do_output_local_symbol_count): New function.
3576         (Sized_relobj::do_local_symbol_offset): New function.
3577
3578 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3579
3580         * descriptors.cc (set_close_on_exec): New function.
3581         (Descriptors::open): Use set_close_on_exec.
3582         * output.cc (S_ISLNK): Define if not defined.
3583
3584 2011-04-22 Cary Coutant  <ccoutant@google.com>
3585
3586         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3587         global symbol map.
3588         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3589         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3590         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3591         relocations.
3592         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3593         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3594         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3595         * incremental.h
3596         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3597         function.
3598         (Incremental_binary::apply_incremental_relocs): New function.
3599         (Incremental_binary::do_apply_incremental_relocs): New function.
3600         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3601         data member.
3602         (Sized_incremental_binary::add_global_symbol): New function.
3603         (Sized_incremental_binary::global_symbol): New function.
3604         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3605         (Sized_incremental_binary::symbol_map_): New data member.
3606         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3607         * target.h (Sized_target::apply_relocation): New function.
3608         * target-reloc.h (apply_relocation): New function.
3609         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3610
3611 2011-04-22  Doug Kwan  <dougkwan@google.com>
3612
3613         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3614         flag of a SHT_ARM_EXIDX section.
3615         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3616         * testsuite/Makefile.in: Regenerate.
3617         * testsuite/arm_exidx_test.s: New file.
3618         * testsuite/arm_exidx_test.sh: Same.
3619
3620 2011-04-20 Cary Coutant  <ccoutant@google.com>
3621
3622         PR gold/12689
3623         * archive.h (Incremental_archive_entry::Archive_member):
3624         Initialize arg_serial_ (second constructor).
3625
3626 2011-04-17  Ian Lance Taylor  <iant@google.com>
3627
3628         * object.cc (Relocate_info::location): Simplify location string.
3629         * errors.cc (Errors::error_at_location): Don't print program
3630         name.
3631         (Errors::warning_at_location): Likewise.
3632         (Errors::undefined_symbol): Likewise.
3633         * testsuite/debug_msg.sh: Update accordingly.
3634
3635 2011-04-14 Cary Coutant  <ccoutant@google.com>
3636
3637         * gold/layout.cc (Layout::symtab_section_offset): New function.
3638         * gold/layout.h (Layout::symtab_section_offset): New function.
3639         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3640
3641 2011-04-12  Ian Lance Taylor  <iant@google.com>
3642
3643         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3644         with MREMAP_MAYMOVE.
3645         * output.h (class Output_file): Add map_is_allocated_ field.
3646         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3647         not available, provide stubs.  If mremap is not available, #define
3648         it to gold_mremap.
3649         (MREMAP_MAYMOVE): Define if not defined.
3650         (Output_file::Output_file): Initialize map_is_allocated_.
3651         (Output_file::resize): Check map_is_allocated_.
3652         (Output_file::map_anonymous): If mmap fails, use malloc.
3653         (Output_file::unmap): Don't do anything for an anonymous map.
3654         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3655         is not available, provide stubs.
3656         (File_read::View::~View): Use free rather than delete[].
3657         (File_read::make_view): Use malloc rather than new[].  If mmap
3658         fails, use malloc.
3659         (File_read::find_or_make_view): Use malloc rather than new[].
3660         * gold.h: Remove HAVE_REMAP code.
3661         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3662         exists.  Rename mremap to gold_mremap.  If mmap is not available
3663         don't do anything.
3664         * configure, config.in: Rebuild.
3665
3666 2011-04-11  Ian Lance Taylor  <iant@google.com>
3667
3668         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3669         initialize local variable v.
3670
3671 2011-04-11  Cary Coutant  <ccoutant@google.com>
3672
3673         * archive.cc (Archive::include_member): Adjust call to
3674         report_object.
3675         (Add_archive_symbols::run): Track argument serial numbers.
3676         (Lib_group::include_member): Likewise.
3677         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3678         * archive.h (Incremental_archive_entry::Archive_member):
3679         Initialize arg_serial_.
3680         (Archive_member::arg_serial_): New data member.
3681         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3682         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3683         incremental link.
3684         (Sized_dynobj::do_for_all_local_got_entries): New function.
3685         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3686         function.
3687         * fileread.cc (get_mtime): New function.
3688         * fileread.h (get_mtime): New function.
3689         * gold.cc (queue_initial_tasks): Check for incremental update.
3690         (process_incremental_input): New function.
3691         (queue_middle_tasks): Don't force valid target for incremental
3692         update.
3693         * incremental-dump.cc (find_input_containing_global): Adjust
3694         size of symbol info entry.
3695         (dump_incremental_inputs): Dump argument serial number and
3696         in_system_directory flag; bias shndx by 1; print symbol names
3697         when dumping per-file symbol lists; use new symbol info readers.
3698         * incremental.cc
3699         (Output_section_incremental_inputs:update_data_size): New function.
3700         (Sized_incremental_binary::setup_readers): Setup input readers
3701         for each input file; build maps for files added from libraries
3702         and scripts.
3703         (Sized_incremental_binary::check_input_args): New function.
3704         (Sized_incremental_binary::do_check_inputs): Build map of argument
3705         serial numbers to input arguments.
3706         (Sized_incremental_binary::do_file_has_changed): Rename
3707         do_file_is_unchanged to this; compare file modification times.
3708         (Sized_incremental_binary::do_init_layout): New function.
3709         (Sized_incremental_binary::do_reserve_layout): New function.
3710         (Sized_incremental_binary::do_get_input_reader): Remove.
3711         (Sized_incremental_binary::get_symtab_view): New function.
3712         (Incremental_checker::can_incrementally_link_output_file): Remove.
3713         (Incremental_inputs::report_command_line): Exclude --debug options.
3714         (Incremental_inputs::report_archive_begin): Add parameter; track
3715         argument serial numbers; don't put input file entry for archive
3716         before archive members.
3717         (Incremental_inputs::report_archive_end): Put input file entry
3718         for archive after archive members.
3719         (Incremental_inputs::report_object): Add parameter; track argument
3720         serial numbers and in_system_directory flag.
3721         (Incremental_inputs::report_script): Add parameter; track argument
3722         serial numbers.
3723         (Output_section_incremental_inputs::set_final_data_size): Adjust
3724         size of symbol info entry; check for forwarding symbols.
3725         (Output_section_incremental_inputs::write_input_files): Write
3726         in_system_directory flag and argument serial number.
3727         (Output_section_incremental_inputs::write_info_blocks): Map section
3728         indices between incremental info and original input file; store
3729         input section index for each symbol.
3730         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3731         change operator() to visit().
3732         (class Global_got_offset_visitor): Likewise.
3733         (class Global_symbol_visitor_got_plt):
3734         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3735         classes.
3736         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3737         (Sized_incr_relobj::do_read_symbols): New function.
3738         (Sized_incr_relobj::do_layout): New function.
3739         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3740         (Sized_incr_relobj::do_add_symbols): New function.
3741         (Sized_incr_relobj::do_should_include_member): New function.
3742         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3743         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3744         (Sized_incr_relobj::do_section_size): New function.
3745         (Sized_incr_relobj::do_section_name): New function.
3746         (Sized_incr_relobj::do_section_contents): New function.
3747         (Sized_incr_relobj::do_section_flags): New function.
3748         (Sized_incr_relobj::do_section_entsize): New function.
3749         (Sized_incr_relobj::do_section_address): New function.
3750         (Sized_incr_relobj::do_section_type): New function.
3751         (Sized_incr_relobj::do_section_link): New function.
3752         (Sized_incr_relobj::do_section_info): New function.
3753         (Sized_incr_relobj::do_section_addralign): New function.
3754         (Sized_incr_relobj::do_initialize_xindex): New function.
3755         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3756         (Sized_incr_relobj::do_read_relocs): New function.
3757         (Sized_incr_relobj::do_gc_process_relocs): New function.
3758         (Sized_incr_relobj::do_scan_relocs): New function.
3759         (Sized_incr_relobj::do_count_local_symbols): New function.
3760         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3761         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3762         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3763         (Sized_incr_relobj::do_relocate): New function.
3764         (Sized_incr_relobj::do_set_section_offset): New function.
3765         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3766         (Sized_incr_dynobj::do_read_symbols): New function.
3767         (Sized_incr_dynobj::do_layout): New function.
3768         (Sized_incr_dynobj::do_add_symbols): New function.
3769         (Sized_incr_dynobj::do_should_include_member): New function.
3770         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3771         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3772         (Sized_incr_dynobj::do_section_size): New function.
3773         (Sized_incr_dynobj::do_section_name): New function.
3774         (Sized_incr_dynobj::do_section_contents): New function.
3775         (Sized_incr_dynobj::do_section_flags): New function.
3776         (Sized_incr_dynobj::do_section_entsize): New function.
3777         (Sized_incr_dynobj::do_section_address): New function.
3778         (Sized_incr_dynobj::do_section_type): New function.
3779         (Sized_incr_dynobj::do_section_link): New function.
3780         (Sized_incr_dynobj::do_section_info): New function.
3781         (Sized_incr_dynobj::do_section_addralign): New function.
3782         (Sized_incr_dynobj::do_initialize_xindex): New function.
3783         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3784         (make_sized_incremental_object): New function.
3785         (Incremental_library::copy_unused_symbols): New function.
3786         (Incremental_library::do_for_all_unused_symbols): New function.
3787         * incremental.h (enum Incremental_input_flags): New type.
3788         (class Incremental_checker): Remove.
3789         (Incremental_input_entry::Incremental_input_entry): Add argument
3790         serial number.
3791         (Incremental_input_entry::arg_serial): New function.
3792         (Incremental_input_entry::set_is_in_system_directory): New function.
3793         (Incremental_input_entry::is_in_system_directory): New function.
3794         (Incremental_input_entry::arg_serial_): New data member.
3795         (Incremental_input_entry::is_in_system_directory_): New data member.
3796         (class Script_info): Move here from script.h.
3797         (Script_info::Script_info): Add filename parameter.
3798         (Script_info::filename): New function.
3799         (Script_info::filename_): New data member.
3800         (Incremental_script_entry::Incremental_script_entry): Add argument
3801         serial number.
3802         (Incremental_object_entry::Incremental_object_entry): Likewise.
3803         (Incremental_object_entry::add_input_section): Build list of input
3804         sections with map to original shndx.
3805         (Incremental_object_entry::get_input_section_index): New function.
3806         (Incremental_object_entry::shndx_): New data member.
3807         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3808         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3809         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3810         serial number.
3811         (Incremental_inputs::report_archive_begin): Likewise.
3812         (Incremental_inputs::report_object): Likewise.
3813         (Incremental_inputs::report_script): Likewise.
3814         (class Incremental_global_symbol_reader): New class.
3815         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3816         and store flags and input file type.
3817         (Incremental_input_entry_reader::arg_serial): New function.
3818         (Incremental_input_entry_reader::type): Extract type from flags.
3819         (Incremental_input_entry_reader::is_in_system_directory): New function.
3820         (Incremental_input_entry_reader::get_input_section_count): Call
3821         accessor function for type.
3822         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3823         function for type; adjust size of global symbol entry.
3824         (Incremental_input_entry_reader::get_global_symbol_count): Call
3825         accessor function for type.
3826         (Incremental_input_entry_reader::get_object_count): Likewise.
3827         (Incremental_input_entry_reader::get_object_offset): Likewise.
3828         (Incremental_input_entry_reader::get_member_count): Likewise.
3829         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3830         (Incremental_input_entry_reader::get_member_offset): Likewise.
3831         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3832         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3833         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3834         (Incremental_input_entry_reader::get_global_symbol_reader): New
3835         function.
3836         (Incremental_input_entry_reader::get_output_symbol_index): New
3837         function.
3838         (Incremental_input_entry_reader::type_): Remove.
3839         (Incremental_input_entry_reader::flags_): New data member.
3840         (Incremental_inputs_reader::input_file_offset): New function.
3841         (Incremental_inputs_reader::input_file_index): New function.
3842         (Incremental_inputs_reader::input_file): Call input_file_offset.
3843         (Incremental_inputs_reader::input_file_at_offset): New function.
3844         (Incremental_relocs_reader::get_r_type): Reformat.
3845         (Incremental_relocs_reader::get_r_shndx): Reformat.
3846         (Incremental_relocs_reader::get_r_offset): Reformat.
3847         (Incremental_relocs_reader::data): New function.
3848         (Incremental_binary::Incremental_binary): Initialize new data members.
3849         (Incremental_binary::check_inputs): Add cmdline parameter.
3850         (Incremental_binary::file_is_unchanged): Remove.
3851         (Input_reader::arg_serial): New function.
3852         (Input_reader::get_unused_symbol_count): New function.
3853         (Input_reader::get_unused_symbol): New function.
3854         (Input_reader::do_arg_serial): New function.
3855         (Input_reader::do_get_unused_symbol_count): New function.
3856         (Input_reader::do_get_unused_symbol): New function.
3857         (Incremental_binary::input_file_count): New function.
3858         (Incremental_binary::get_input_reader): Change signature to use
3859         index instead of filename.
3860         (Incremental_binary::file_has_changed): New function.
3861         (Incremental_binary::get_input_argument): New function.
3862         (Incremental_binary::get_library): New function.
3863         (Incremental_binary::get_script_info): New function.
3864         (Incremental_binary::init_layout): New function.
3865         (Incremental_binary::reserve_layout): New function.
3866         (Incremental_binary::output_file): New function.
3867         (Incremental_binary::do_check_inputs): New function.
3868         (Incremental_binary::do_file_is_unchanged): Remove.
3869         (Incremental_binary::do_file_has_changed): New function.
3870         (Incremental_binary::do_init_layout): New function.
3871         (Incremental_binary::do_reserve_layout): New function.
3872         (Incremental_binary::do_input_file_count): New function.
3873         (Incremental_binary::do_get_input_reader): Change signature.
3874         (Incremental_binary::input_args_map_): New data member.
3875         (Incremental_binary::library_map_): New data member.
3876         (Incremental_binary::script_map_): New data member.
3877         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3878         new data members.
3879         (Sized_incremental_binary::output_section): New function.
3880         (Sized_incremental_binary::inputs_reader): Add const.
3881         (Sized_incremental_binary::symtab_reader): Add const.
3882         (Sized_incremental_binary::relocs_reader): Add const.
3883         (Sized_incremental_binary::got_plt_reader): Add const.
3884         (Sized_incremental_binary::get_symtab_view): New function.
3885         (Sized_incremental_binary::Inputs_reader): New typedef.
3886         (Sized_incremental_binary::Input_entry_reader): New typedef.
3887         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3888         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3889         (Sized_incremental_binary::do_file_has_changed): New function.
3890         (Sized_incremental_binary::do_init_layout): New function.
3891         (Sized_incremental_binary::do_reserve_layout): New function.
3892         (Sized_input_reader::Inputs_reader): Remove.
3893         (Sized_input_reader::Input_entry_reader): Remove.
3894         (Sized_input_reader::do_arg_serial): New function.
3895         (Sized_input_reader::do_get_unused_symbol_count): New function.
3896         (Sized_input_reader::do_get_unused_symbol): New function.
3897         (Sized_incremental_binary::do_input_file_count): New function.
3898         (Sized_incremental_binary::do_get_input_reader): Change signature;
3899         use index instead of filename.
3900         (Sized_incremental_binary::section_map_): New data member.
3901         (Sized_incremental_binary::input_entry_readers_): New data member.
3902         (class Sized_incr_relobj): New class.
3903         (class Sized_incr_dynobj): New class.
3904         (make_sized_incremental_object): New function.
3905         (class Incremental_library): New class.
3906         * layout.cc (Free_list::num_lists): New static data member.
3907         (Free_list::num_nodes): New static data member.
3908         (Free_list::num_removes): New static data member.
3909         (Free_list::num_remove_visits): New static data member.
3910         (Free_list::num_allocates): New static data member.
3911         (Free_list::num_allocate_visits): New static data member.
3912         (Free_list::init): New function.
3913         (Free_list::remove): New function.
3914         (Free_list::allocate): New function.
3915         (Free_list::dump): New function.
3916         (Free_list::print_stats): New function.
3917         (Layout_task_runner::run): Resize output file for incremental updates.
3918         (Layout::Layout): Initialize new data members.
3919         (Layout::set_incremental_base): New function.
3920         (Layout::init_fixed_output_section): New function.
3921         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3922         incremental updates.
3923         (Layout::create_gold_note): Do not create gold note section for
3924         incremental updates.
3925         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3926         for incremental updates.
3927         (Layout::set_section_offsets): For incremental updates, allocate space
3928         from free list.
3929         (Layout::create_symtab_sections): Layout with offsets relative to
3930         start of section; for incremental updates, allocate space from free
3931         list.
3932         (Layout::create_shdrs): For incremental updates, allocate space from
3933         free list.
3934         (Layout::finish_dynamic_section): For incremental updates, do not
3935         check --as-needed (fixed in subsequent patch).
3936         * layout.h (class Free_list): New class.
3937         (Layout::set_incremental_base): New function.
3938         (Layout::incremental_base): New function.
3939         (Layout::init_fixed_output_section): New function.
3940         (Layout::allocate): New function.
3941         (Layout::incremental_base_): New data member.
3942         (Layout::free_list_): New data member.
3943         * main.cc (main): Print Free_list statistics.
3944         * object.cc (Relobj::finalize_incremental_relocs): Add
3945         clear_counts parameter; clear counts only when clear_counts is set.
3946         (Sized_relobj::Sized_relobj): Initialize new base class.
3947         (Sized_relobj::do_layout): Don't report special sections.
3948         (Sized_relobj::do_for_all_local_got_entries): New function.
3949         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3950         symtab_off to all symbol table offsets.
3951         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3952         * object.h (class Got_offset_list): Move to top of file.
3953         (Object::Object): Allow case where input_file == NULL.
3954         (Object::~Object): Likewise.
3955         (Object::input_file): Assert that input_file != NULL.
3956         (Object::lock): Allow case where input_file == NULL.
3957         (Object::unlock): Likewise.
3958         (Object::is_locked): Likewise.
3959         (Object::token): Likewise.
3960         (Object::release): Likewise.
3961         (Object::is_incremental): New function.
3962         (Object::get_mtime): New function.
3963         (Object::for_all_local_got_entries): New function.
3964         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3965         (Object::set_is_in_system_directory): New function.
3966         (Object::is_in_system_directory): New function.
3967         (Object::do_is_incremental): New function.
3968         (Object::do_get_mtime): New function.
3969         (Object::do_for_all_local_got_entries): New function.
3970         (Object::is_in_system_directory_): New data member.
3971         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3972         (class Sized_relobj_base): New class.
3973         (class Sized_relobj): Derive from Sized_relobj_base.
3974         (class Sized_relobj::Symbols): Redeclare from base class.
3975         (class Sized_relobj::local_got_offset_list): Remove.
3976         (class Sized_relobj::Output_sections): Redeclare from base class.
3977         (class Sized_relobj::do_for_all_local_got_entries): New function.
3978         (class Sized_relobj::write_local_symbols): Add offset parameter.
3979         (class Sized_relobj::local_symbol_offset_): Update comment.
3980         (class Sized_relobj::local_dynsym_offset_): Update comment.
3981         * options.cc (Input_arguments::add_file): Remove const.
3982         * options.h (Input_file_argument::Input_file_argument):
3983         Initialize arg_serial_ (all constructors).
3984         (Input_file_argument::set_arg_serial): New function.
3985         (Input_file_argument::arg_serial): New function.
3986         (Input_file_argument::arg_serial_): New data member.
3987         (Input_arguments::Input_arguments): Initialize file_count_.
3988         (Input_arguments::add_file): Remove const.
3989         (Input_arguments::number_of_input_files): New function.
3990         (Input_arguments::file_count_): New data member.
3991         (Command_line::number_of_input_files): Call
3992         Input_arguments::number_of_input_files.
3993         * output.cc (Output_segment_headers::Output_segment_headers):
3994         Set current size.
3995         (Output_section::Input_section::current_data_size): New function.
3996         (Output_section::Output_section): Initialize new data members.
3997         (Output_section::add_input_section): Don't do merge sections for
3998         an incremental link; allocate space from free list for an
3999         incremental update.
4000         (Output_section::add_output_section_data): Allocate space from
4001         free list for an incremental update.
4002         (Output_section::update_data_size): New function.
4003         (Output_section::set_fixed_layout): New function.
4004         (Output_section::reserve): New function.
4005         (Output_segment::set_section_addresses): Remove const.
4006         (Output_segment::set_section_list_addresses): Remove const; allocate
4007         space from free list for an incremental update.
4008         (Output_segment::set_offset): Adjust size of RELRO segment for an
4009         incremental update.
4010         * output.h (Output_data::current_data_size): Move here from
4011         child classes.
4012         (Output_data::pre_finalize_data_size): New function.
4013         (Output_data::update_data_size): New function.
4014         (Output_section_headers::update_data_size): new function.
4015         (Output_section_data_build::current_data_size): Move to Output_data.
4016         (Output_data_strtab::update_data_size): New function.
4017         (Output_section::current_data_size): Move to Output_data.
4018         (Output_section::set_fixed_layout): New function.
4019         (Output_section::has_fixed_layout): New function.
4020         (Output_section::reserve): New function.
4021         (Output_section::update_data_size): New function.
4022         (Output_section::has_fixed_layout_): New data member.
4023         (Output_section::free_list_): New data member.
4024         (Output_segment::set_section_addresses): Remove const.
4025         (Output_segment::set_section_list_addresses): Remove const.
4026         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4027         New function.
4028         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4029         New function.
4030         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4031         parameter when calling Add_symbols constructor; store argument
4032         serial number for members of a lib group.
4033         (Add_symbols::locks): Allow case where token == NULL.
4034         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4035         (Read_member::~Read_member): New function.
4036         (Read_member::is_runnable): New function.
4037         (Read_member::locks): New function.
4038         (Read_member::run): New function.
4039         (Check_script::~Check_script): New function.
4040         (Check_script::is_runnable): New function.
4041         (Check_script::locks): New function.
4042         (Check_script::run): New function.
4043         (Check_library::~Check_library): New function.
4044         (Check_library::is_runnable): New function.
4045         (Check_library::locks): New function.
4046         (Check_library::run): New function.
4047         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4048         (Add_symbols::library_): New data member.
4049         (class Read_member): New class.
4050         (class Check_script): New class.
4051         (class Check_library): New class.
4052         * reloc.cc (Read_relocs::is_runnable): Allow case where
4053         token == NULL.
4054         (Read_relocs::locks): Likewise.
4055         (Scan_relocs::locks): Likewise.
4056         (Relocate_task::locks): Likewise.
4057         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4058         to clear counters.
4059         (Sized_relobj::incremental_relocs_scan): Fix comment.
4060         (Sized_relobj::do_relocate): Pass output file offset to
4061         write_local_symbols.
4062         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4063         from class declaration.
4064         * script.cc (read_input_script): Allocate Script_info; pass
4065         argument serial number to report_script.
4066         * script.h (class Script_info): Move to incremental.h.
4067         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4068         * symtab.h (Symbol_table::add_from_incrobj): New function.
4069         (Symbol_table::set_file_offset): New function.
4070
4071 2011-04-05  Cary Coutant  <ccoutant@google.com>
4072
4073         * incremental-dump.cc (dump_incremental_inputs): Change signature
4074         to take a Sized_incremental_binary; change caller.  Use readers
4075         in Sized_incremental_binary.
4076         * incremental.cc
4077         (Sized_incremental_binary::find_incremental_inputs_sections):
4078         Rename do_find_incremental_inputs_sections to this.
4079         (Sized_incremental_binary::setup_readers): New function.
4080         (Sized_incremental_binary::do_check_inputs): Check
4081         has_incremental_info_ flag; move setup code to setup_readers;
4082         use input readers.
4083         (Sized_incremental_binary::do_file_is_unchanged): New function.
4084         (Sized_incremental_binary::do_get_input_reader): New function.
4085         * incremental.h (class Incremental_binary): Move to end of file.
4086         (Incremental_binary::file_is_unchanged): New function.
4087         (Incremental_binary::do_file_is_unchanged): New function.
4088         (Incremental_binary::Input_reader): New class.
4089         (Incremental_binary::get_input_reader): New function.
4090         (class Sized_incremental_binary): Move to end of file.
4091         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4092         input section reader classes.
4093         (Sized_incremental_binary::has_incremental_info): New function.
4094         (Sized_incremental_binary::inputs_reader): New function.
4095         (Sized_incremental_binary::symtab_reader): New function.
4096         (Sized_incremental_binary::relocs_reader): New function.
4097         (Sized_incremental_binary::got_plt_reader): New function.
4098         (Sized_incremental_binary::do_file_is_unchanged): New function.
4099         (Sized_incremental_binary::Sized_input_reader): New class.
4100         (Sized_incremental_binary::get_input_reader): New function.
4101         (Sized_incremental_binary::find_incremental_inputs_sections):
4102         Rename do_find_incremental_inputs_sections to this.
4103         (Sized_incremental_binary::setup_readers): New function.
4104         (Sized_incremental_binary::has_incremental_info_): New data member.
4105         (Sized_incremental_binary::inputs_reader_): New data member.
4106         (Sized_incremental_binary::symtab_reader_): New data member.
4107         (Sized_incremental_binary::relocs_reader_): New data member.
4108         (Sized_incremental_binary::got_plt_reader_): New data member.
4109         (Sized_incremental_binary::current_input_file_): New data member.
4110
4111 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4112
4113         PR gold/12640
4114         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4115         violation.
4116
4117 2011-03-30  Cary Coutant  <ccoutant@google.com>
4118
4119         * archive.cc (Archive::include_member): Adjust call to report_object.
4120         (Add_archive_symbols::run): Add script_info to call to
4121         report_archive_begin.
4122         (Lib_group::include_member): Adjust call to report_object.
4123         (Add_lib_group_symbols::run): Adjust call to report_object.
4124         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4125         blocks.  Add object count for script input files.
4126         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4127         script_info parameter; change all callers.
4128         (Incremental_inputs::report_object): Add script_info parameter;
4129         change all callers.
4130         (Incremental_inputs::report_script): Store backpointer to
4131         incremental info entry.
4132         (Output_section_incremental_inputs::set_final_data_size): Record
4133         additional information for scripts.
4134         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4135         * incremental.h (Incremental_script_entry::add_object): New function.
4136         (Incremental_script_entry::get_object_count): New function.
4137         (Incremental_script_entry::get_object): New function.
4138         (Incremental_script_entry::objects_): New data member; adjust
4139         constructor.
4140         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4141         (Incremental_inputs::report_object): Add script_info parameter.
4142         (Incremental_inputs_reader::get_object_count): New function.
4143         (Incremental_inputs_reader::get_object_offset): New function.
4144         * options.cc (Input_arguments::add_file): Return reference to
4145         new input argument.
4146         * options.h (Input_argument::set_script_info): New function.
4147         (Input_argument::script_info): New function.
4148         (Input_argument::script_info_): New data member; adjust all
4149         constructors.
4150         (Input_file_group::add_file): Return reference to new input argument.
4151         (Input_file_lib::add_file): Likewise.
4152         (Input_arguments::add_file): Likewise.
4153         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4154         * script.cc (Parser_closure::Parser_closure): Add script_info
4155         parameter; adjust all callers.
4156         (Parser_closure::script_info): New function.
4157         (Parser_closure::script_info_): New data member.
4158         (read_input_script): Report scripts earlier to incremental info.
4159         (script_add_file): Set script_info in Input_argument.
4160         (script_add_library): Likewise.
4161         * script.h (Script_options::Script_info): Rewrite class.
4162
4163 2011-03-29  Cary Coutant  <ccoutant@google.com>
4164
4165         * archive.cc (Library_base::should_include_member): Move
4166         method here from class Archive.
4167         (Archive::Archive): Initialize base class.
4168         (Archive::should_include_member): Move to base class.
4169         (Archive::do_for_all_unused_symbols): New function.
4170         (Add_archive_symbols::run): Remove redundant access to
4171         incremental_inputs.
4172         (Lib_group::Lib_group): Initialize base class.
4173         (Lib_group::do_filename): New function.
4174         (Lib_group::include_member): Pass pointer to Lib_group to
4175         report_object.
4176         (Lib_group::do_for_all_unused_symbols): New function.
4177         (Add_lib_group_symbols::run): Report archive information for
4178         incremental links.
4179         * archive.h (class Library_base): New base class.
4180         (class Archive): Derive from Library_base.
4181         (Archive::filename): Move to base class.
4182         (Archive::set_incremental_info): Likewise.
4183         (Archive::incremental_info): Likewise.
4184         (Archive::Should_include): Likewise.
4185         (Archive::should_include_member): Likewise.
4186         (Archive::Armap_entry): Remove.
4187         (Archive::Unused_symbol_iterator): Remove.
4188         (Archive::unused_symbols_begin): Remove.
4189         (Archive::unused_symbols_end): Remove.
4190         (Archive::do_filename): New function.
4191         (Archive::do_get_mtime): New function.
4192         (Archive::do_for_all_unused_symbols): New function.
4193         (Archive::task_): Move to base class.
4194         (Archive::incremental_info_): Likewise.
4195         (class Lib_group): Derive from Library_base.
4196         (Lib_group::do_filename): New function.
4197         (Lib_group::do_get_mtime): New function.
4198         (Lib_group::do_for_all_unused_symbols): New function.
4199         (Lib_group::task_): Move to base class.
4200         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4201         function.
4202         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4203         function.
4204         * incremental.cc (Incremental_inputs::report_archive_begin):
4205         Use Library_base; call library's get_mtime; add incremental inputs
4206         entry before members.
4207         (class Unused_symbol_visitor): New class.
4208         (Incremental_inputs::report_archive_end): Use Library_base; use
4209         visitor class to record unused symbols; don't add incremental inputs
4210         entry after members.
4211         (Incremental_inputs::report_object): Use Library_base.
4212         * incremental.h
4213         (Incremental_archive_entry::Incremental_archive_entry): Remove
4214         unused Archive parameter.
4215         (Incremental_inputs::report_archive_begin): Use Library_base.
4216         (Incremental_inputs::report_archive_end): Likewise.
4217         (Incremental_inputs::report_object): Likewise.
4218         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4219         function.
4220         * object.h (Object::for_all_global_symbols): New function.
4221         (Object::do_for_all_global_symbols): New function.
4222         (Sized_relobj::do_for_all_global_symbols): New function.
4223         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4224         function.
4225         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4226         function.
4227
4228 2011-03-27  Ian Lance Taylor  <iant@google.com>
4229
4230         * archive.cc (Archive::interpret_header): Return -1 if something
4231         goes wrong.  Change callers accordingly.
4232
4233 2011-03-25  Cary Coutant  <ccoutant@google.com>
4234
4235         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4236         * testsuite/Makefile.in: Regenerate.
4237
4238 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4239
4240         * plugin.cc (get_view): New.
4241         (Plugin::load): Pass get_view to the plugin.
4242         (Plugin_manager::get_view): New.
4243
4244 2011-03-21  Ian Lance Taylor  <iant@google.com>
4245
4246         * testsuite/final_layout.sh: Rewrite to not use dc.
4247         * testsuite/relro_test.sh: Fail if dc is not present.
4248
4249 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4250
4251         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4252         Change == to -eq.
4253         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4254         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4255         Change == to -eq.
4256         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4257         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4258
4259 2011-03-14  Ian Lance Taylor  <iant@google.com>
4260
4261         * script-sections.cc (Sort_output_sections::script_compare):
4262         Rename from is_before, change return type.
4263         (Sort_output_sections::operator()): Adjust accordingly.
4264
4265 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4266
4267         PR gold/12572
4268         * testsuite/odr_violation2.cc: Add comment to make all error line
4269         numbers double digits.
4270         * testsuite/debug_msg.sh: Adjust expected errors.
4271
4272 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4273
4274         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4275         but mark earlier ones as non-canonical
4276         (offset_to_iterator): Update search target and example
4277         (do_addr2line): Return extra lines in a vector*
4278         (format_file_lineno): Extract from do_addr2line
4279         (one_addr2line): Add vector* out-param
4280         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4281         when a lineno entry appeared last for its instruction
4282         (Dwarf_line_info): Add vector* out-param
4283         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4284         * symtab.cc (Odr_violation_compare): Include the lineno in the
4285         comparison again.
4286         (linenos_from_loc): New. Combine the canonical line for an
4287         address with its other lines.
4288         (True_if_intersect): New. Helper functor to make
4289         std::set_intersection a query.
4290         (detect_odr_violations): Compare sets of lines instead of just
4291         one line for each function. This became less deterministic, but
4292         has fewer false positives.
4293         * symtab.h: Declarations.
4294         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4295         mix an optimized and non-optimized object in the same binary
4296         (odr_violation2.so): Same.
4297         * testsuite/Makefile.in: Regenerate from Makefile.am.
4298         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4299         * testsuite/debug_msg.sh: Update line numbers and add
4300         assertions.
4301         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4302         non-optimized context.
4303         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4304         isn't inlined, and use OdrDerived in an optimized context.
4305         * testsuite/odr_header1.h: Defines OdrDerived, where
4306         optimization will change the
4307         first-instruction-in-the-destructor's file and line number.
4308         * testsuite/odr_header2.h: Defines OdrBase.
4309
4310 2011-03-09  Ian Lance Taylor  <iant@google.com>
4311
4312         * fileread.cc (File_read::clear_views): Don't delete the whole
4313         file view.
4314
4315 2011-03-08  Ian Lance Taylor  <iant@google.com>
4316
4317         PR gold/12525
4318         * fileread.cc: #include <climits>.
4319         (GOLD_IOV_MAX): Define.
4320         (File_read::read_multiple): Limit number of entries by iov_max.
4321         * fileread.h (class File_read): Always set max_readv_entries to
4322         128.
4323
4324 2011-03-07  Ian Lance Taylor  <iant@google.com>
4325
4326         PR gold/12525
4327         * options.h (class General_options): Add -dy and -dn.
4328
4329 2011-03-02  Cary Coutant  <ccoutant@google.com>
4330
4331         * testsuite/script_test_9.t: Add TLS segment.
4332
4333 2011-03-02  Simon Baldwin  <simonb@google.com>
4334
4335         * configure.ac: Add check for gnu_indirect_function support in
4336         the toolchain building binutils.
4337         * configure: Rebuild.
4338
4339 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4340
4341         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4342         plugin only symbols.
4343         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4344         in plugin files as not needed in the symbol table.
4345
4346 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4347
4348         * output.cc (Output_section::add_input_section): Delay fill
4349         generation for section ordering.
4350
4351 2011-02-09  Ian Lance Taylor  <iant@google.com>
4352
4353         PR gold/12316
4354         * object.h (class Sized_relobj): Remove clear_local_symbols.
4355         * reloc.cc (Sized_relobj::do_relocate): Don't call
4356         clear_local_symbols.
4357
4358 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4359
4360         * plugin.cc (is_visible_from_outside): Return true for symbols
4361         in the -u option.
4362
4363 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4364
4365         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4366         filename.
4367
4368 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4369
4370         * icf.h (is_section_foldable_candidate): Change type of parameter
4371         to std::string.
4372         * icf.cc (Icf::find_identical_sections): Change type of local variable
4373         section_name to be std::string.
4374         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4375
4376 2011-01-25  Ian Lance Taylor  <iant@google.com>
4377
4378         * script.cc (script_add_extern): Rewrite to use
4379         add_symbol_reference.
4380
4381 2011-01-25  Doug Kwan  <dougkwan@google.com>
4382
4383         * icf.cc (get_section_contents): Always lock section's object.
4384
4385 2011-01-24  Ian Lance Taylor  <iant@google.com>
4386
4387         * options.h (class General_options): Accept
4388         --no-detect-odr-violations.
4389
4390 2011-01-24  Ian Lance Taylor  <iant@google.com>
4391
4392         * version.cc (version_string): Bump to 1.11.
4393
4394 2011-01-24  Ian Lance Taylor  <iant@google.com>
4395
4396         * plugin.cc (class Plugin_rescan): Define new class.
4397         (Plugin_manager::claim_file): Set any_claimed_.
4398         (Plugin_manager::save_archive): New function.
4399         (Plugin_manager::save_input_group): New function.
4400         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4401         necessary.
4402         (Plugin_manager::new_undefined_symbol): New function.
4403         (Plugin_manager::rescan): New function.
4404         (Plugin_manager::rescannable_defines): New function.
4405         (Plugin_manager::add_input_file): Set any_added_.
4406         * plugin.h (class Plugin_manager): define new fields rescannable_,
4407         undefined_symbols_, any_claimed_, and any_added_.  Declare
4408         Plugin_rescan as friend.  Declare new functions.
4409         (Plugin_manager::Rescannable): Define type.
4410         (Plugin_manager::Rescannable_list): Define type.
4411         (Plugin_manager::Undefined_symbol_list): Define type.
4412         (Plugin_manager::Plugin_manager): Initialize new fields.
4413         * archive.cc (Archive::defines_symbol): New function.
4414         (Add_archive_symbols::run): Pass archive to plugins if any.
4415         * archive.h (class Archive): Declare defines_symbol.
4416         * readsyms.cc (Input_group::~Input_group): New function.
4417         (Finish_group::run): Pass input_group to plugins if any.
4418         * readsyms.h (class Input_group): Declare destructor.
4419         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4420         any.
4421
4422 2011-01-10  Ian Lance Taylor  <iant@google.com>
4423
4424         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4425         section as relro.
4426         (Layout::set_segment_offsets): Reset increase_relro before calling
4427         set_section_addresses a second time.
4428
4429 2011-01-04  Cary Coutant  <ccoutant@google.com>
4430
4431         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4432         sections before NOBITS sections.
4433
4434 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4435
4436         * version.cc (print_version): Update copyright to 2011.
4437
4438 2010-12-23  Cary Coutant  <ccoutant@google.com>
4439
4440         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4441         of OS to this->add.  Add OD parameter to second form of the function.
4442
4443 2010-12-20  Ian Lance Taylor  <iant@google.com>
4444
4445         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4446         second of two consecutive entries with same offset.
4447
4448 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4449
4450         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4451         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4452         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4453         to avoid unneeded links against $(LDADD).
4454         * testsuite/Makefile.in: Regenerate.
4455
4456 2010-12-15  Ian Lance Taylor  <iant@google.com>
4457
4458         PR gold/12324
4459         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4460         for R_X86_64_32 and R_X86_64_PC32.
4461         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4462         ver_matching_def_pic.o.
4463         (ver_matching_def_pic.o): New target.
4464
4465 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4466
4467         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4468         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4469         Move definition before File_read::View member definitions.
4470         (File_read::View::~View): Initialize and hold lock before
4471         updating current_mapped_bytes.
4472
4473 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4474
4475         * dwarf_reader.cc: Remove outdated comment.
4476         * gold-threads.cc: Fix typo in error message.
4477         * archive.cc: Fix typos in comments.
4478         * archive.h: Likewise.
4479         * arm-reloc-property.cc: Likewise.
4480         * arm-reloc-property.h: Likewise.
4481         * arm-reloc.def: Likewise.
4482         * arm.cc: Likewise.
4483         * attributes.h: Likewise.
4484         * cref.cc: Likewise.
4485         * ehframe.cc: Likewise.
4486         * fileread.h: Likewise.
4487         * gold.h: Likewise.
4488         * i386.cc: Likewise.
4489         * icf.cc: Likewise.
4490         * incremental.h: Likewise.
4491         * int_encoding.cc: Likewise.
4492         * layout.h: Likewise.
4493         * main.cc: Likewise.
4494         * merge.h: Likewise.
4495         * object.cc: Likewise.
4496         * object.h: Likewise.
4497         * options.cc: Likewise.
4498         * readsyms.cc: Likewise.
4499         * reduced_debug_output.cc: Likewise.
4500         * reloc.cc: Likewise.
4501         * script-sections.cc: Likewise.
4502         * sparc.cc: Likewise.
4503         * symtab.h: Likewise.
4504         * target-reloc.h: Likewise.
4505         * target.cc: Likewise.
4506         * target.h: Likewise.
4507         * timer.cc: Likewise.
4508         * timer.h: Likewise.
4509         * x86_64.cc: Likewise.
4510
4511 2010-12-09  Cary Coutant  <ccoutant@google.com>
4512
4513         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4514         stack.
4515         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4516         parameter; change all callers.
4517         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4518         * options.h (warn_execstack): New option.
4519
4520 2010-12-07  Doug Kwan  <dougkwan@google.com>
4521
4522         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4523         like function call relocations.
4524
4525 2010-12-07  Ian Lance Taylor  <iant@google.com>
4526
4527         * archive.cc (Archive::get_elf_object_for_member): Permit
4528         punconfigured to be NULL.
4529         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4530         (Archive::include_member): Pass NULL to get_elf_object_for_member
4531         if we searched for the archive and this is the first included
4532         object.
4533
4534 2010-12-01  Ian Lance Taylor  <iant@google.com>
4535
4536         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4537         track_relocs_type_ field.
4538         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4539         Set track_relocs_type_.
4540         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4541         contents when using RELA relocs.
4542         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4543         reloc_map_.
4544         * reloc.cc (Track_relocs::next_addend): New function.
4545         * reloc.h (class Track_relocs): Declare next_addend.
4546
4547 2010-12-01  Ian Lance Taylor  <iant@google.com>
4548
4549         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4550         virtual destructor.
4551
4552 2010-12-01  Ian Lance Taylor  <iant@google.com>
4553
4554         * README: Update compilers known to work and fail.
4555
4556 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4557
4558         * configure.in: For --enable-gold, handle value `default' instead of
4559         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4560         not the default.
4561         * configure: Regenerate.
4562
4563 2010-11-18  Doug Kwan  <dougkwan@google.com>
4564
4565         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4566         and right_alignment to be zero.  Store result alignment only if it is
4567         greater than existing alignment.
4568
4569 2010-11-16  Cary Coutant  <ccoutant@google.com>
4570
4571         PR gold/12220
4572         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4573         Check for ".zdebug_line".
4574
4575 2010-11-16  Doug Kwan  <dougkwan@google.com>
4576             Cary Coutant  <ccoutant@google.com>
4577
4578         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4579         by reference; adjust all callers.
4580         * output.cc (Output_segment::set_section_addresses): Adjust references
4581         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4582         list is empty.
4583         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4584         end at page boundary.
4585
4586 2010-11-16  Cary Coutant  <ccoutant@google.com>
4587
4588         PR gold/12220
4589         * layout.cc (Layout::choose_output_section): Transform names of
4590         compressed sections even when using a script with a SECTIONS clause.
4591         (Layout::output_section_name): Remove code to transform
4592         compressed debug section names.
4593         * output.cc (Output_section::add_input_section): Use uncompressed
4594         section size when tracking input sections.
4595
4596 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4597
4598         * symtab.h (Symbol::NON_PIC_REF): Remove.
4599         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4600         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4601         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4602         (Symbol::use_plt_offset): Take a flags argument and pass it
4603         directly to needs_dynamic_reloc.  Restrict check for undefined
4604         weak symbols to function calls.
4605         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4606         (Target_arm::Scan::global): Use it.
4607         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4608         (Target_arm::Relocate::relocate): Likewise.
4609         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4610         parameter with an r_type parameter.  Use get_reference_flags
4611         to get the flags.
4612         (Target_arm::Relocate::relocate): Update accordingly.
4613         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4614         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4615         (Target_i386::Scan::global): Likewise.
4616         (Target_i386::Relocate::relocate): Likewise.
4617         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4618         parameter with an r_type parameter.  Use get_reference_flags
4619         to get the flags.
4620         (Target_i386::Relocate::relocate): Update accordingly.
4621         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4622         (Target_powerpc::Scan::global): Use it.
4623         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4624         (Target_powerpc::Relocate::relocate): Likewise.
4625         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4626         (Target_sparc::Scan::global): Use it.
4627         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4628         (Target_sparc::Relocate::relocate): Likewise.
4629         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4630         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4631         (Target_x86_64::Scan::global): Likewise.
4632         (Target_x86_64::Relocate::relocate): Likewise.
4633
4634 2010-11-08  Doug Kwan  <dougkwan@google.com>
4635             Cary Coutant  <ccoutant@google.com>
4636
4637         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4638         (Arm_exidx_merge_section::section_contents_): New data member.
4639         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4640         (Arm_input_section::~Arm_input_section): De-allocate memory.
4641         (Arm_input_section::original_contents_): New data member.
4642         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4643         in parameters instead of calling Object::section_contents without
4644         locking.
4645         (Arm_output_section::group_section): New parameter TASK.  Pass it
4646         to callees that need locking objects.
4647         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4648         to lock EXIDX input sections.  Fix a formatting issue.  Call
4649         Arm_exidx_merged_section::build_contents to create merged section
4650         contents.
4651         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4652         to lock object of stub table owner.
4653         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4654         TEXT_SIZE to initialize data member TEXT_SIZE_.
4655         (Arm_exidx_input_section::addralign): Fix typo in comment.
4656         (Arm_exidx_input_section::text_size): New method.
4657         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4658         that require locking objects.  Lock objects before scanning for stubs
4659         and updating local symbols.
4660         (Arm_input_section<big_endian>::init): Copy contents of original
4661         input section.
4662         (Arm_input_section<big_endian>::do_write): Use saved contents of
4663         original input section instead of calling Object::section_contents
4664         without locking.
4665         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4666         size without calling Object::section_size().
4667         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4668         for size.  Allocate a buffer for merged EXIDX entries.
4669         (Arm_exidx_merged_section::build_contents): New method.
4670         (Arm_exidx_merged_section::do_write): Move merge section contents
4671         building code to Arm_exidx_merged_section::build_contetns.  Write
4672         out contetns in buffer instead of building it on the fly.
4673         (Arm_relobj::make_exidx_input_section): Also pass text section size
4674         to Arm_exidx_input_section constructor.
4675         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4676         (Arm_dynobj::do_read_symbols): Fix memory leak.
4677         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4678         * target.h: (class Task): Add forward declaration.
4679         (Target::relax): Add new parameter TASK and pass it to
4680         Target::do_relax().
4681         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4682
4683 2010-11-05  Cary Coutant  <ccoutant@google.com>
4684
4685         PR gold/10708
4686         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4687         object when reading from the file.
4688         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4689         second layout pass.
4690         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4691         when reading section contents.
4692         (get_section_contents): Likewise.
4693         (icf::find_identical_sections): Likewise.
4694         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4695         object when reading from the file.
4696         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4697         the object when doing deferred section layout.
4698
4699 2010-11-03  Nick Clifton  <nickc@redhat.com>
4700
4701         PR gold/12001
4702         * script.h (class Symbol_assignment: name): New member.  Returns
4703         the name of the symbol.
4704         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4705         Returns true if the given symbol name is on the list of
4706         assignments wating to be processed.
4707         * archive.cc (should_incldue_member): If the symbol is undefined,
4708         check to see if it is on the list of symbols pending assignment.
4709
4710 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4711
4712         * script-sections.cc (Script_sections::find_memory_region): Check
4713         for a NULL output section pointer.
4714
4715 2010-10-29  Doug Kwan  <dougkwan@google.com>
4716
4717         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4718         Output_section::add_relaxed_input_section.
4719         * output.cc (Output_section::add_relaxed_input_section): Add new
4720         arguments LAYOUT and NAME.  Set section order index.
4721         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4722         Copy section order index.
4723         * output.h (Output_section::add_relaxed_input_section): Add new
4724         arguments LAYOUT and NAME.
4725
4726 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4727
4728         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4729         NATIVE_OR_CROSS_LINKER.
4730         * testsuite/Makefile.in: Regenerate.
4731
4732 2010-10-20  Doug Kwan  <dougkwan@google.com>
4733
4734         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4735         without SHF_LINK_ORDER flags.
4736         * layout.cc (Layout::choose_output_section): Do not filter
4737         SHF_LINK_ORDER flag in a relocatable link.
4738
4739 2010-10-17  Cary Coutant  <ccoutant@google.com>
4740
4741         * output.h (Output_segment::set_section_addresses): Change function
4742         signature.  Update all callers.
4743         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4744         sections.
4745         (Output_segment::set_section_addresses): Align after last TLS
4746         section.  Add padding before last relro section instead of after.
4747
4748 2010-10-17  Doug Kwan  <dougkwan@google.com>
4749
4750         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4751         GOT output section to be writable.
4752
4753 2010-10-14  Cary Coutant  <ccoutant@google.com>
4754
4755         * debug.h (DEBUG_INCREMENTAL): New flag.
4756         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4757         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4758         mode.
4759         * incremental.cc (report_command_line): Ignore all forms of
4760         --incremental.
4761         * layout.cc (Layout::Layout): Check parameters for incremental link
4762         mode.
4763         * options.cc (General_options::parse_incremental): New function.
4764         (General_options::parse_no_incremental): New function.
4765         (General_options::parse_incremental_full): New function.
4766         (General_options::parse_incremental_update): New function.
4767         (General_options::incremental_mode_): New data member.
4768         (General_options::finalize): Check incremental_mode_.
4769         * options.h (General_options): Update help text for --incremental.
4770         Add --no-incremental, --incremental-full, --incremental-update.
4771         (General_options::Incremental_mode): New enum type.
4772         (General_options::incremental_mode): New function.
4773         (General_options::incremental_mode_): New data member.
4774         * parameters.cc (Parameters::incremental_mode_): New data member.
4775         (Parameters::set_options): Set incremental_mode_.
4776         (Parameters::set_incremental_full): New function.
4777         (Parameters::incremental): New function.
4778         (Parameters::incremental_update): New function.
4779         (set_parameters_incremental_full): New function.
4780         * parameters.h (Parameters::set_incremental_full): New function.
4781         (Parameters::incremental): New function.
4782         (Parameters::incremental_update): New function.
4783         (Parameters::incremental_mode_): New data member.
4784         (set_parameters_incremental_full): New function.
4785         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4786         incremental link mode.
4787         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4788         (Sized_relobj::do_relocate_sections): Likewise.
4789         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4790         option.
4791         * testsuite/Makefile.in: Regenerate.
4792         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4793
4794 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4795
4796         * script-sections.h (class Script_sections): Make
4797         Sections_elements typedef public.
4798         * script-sections.cc (class Sort_output_sections): Add elements_
4799         field.  Add constructor which sets it; change all callers.
4800         (Sort_output_sections::is_before): New function.
4801         (Sort_output_sections::operator()): Call is_before.
4802         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4803         conditional.
4804         * testsuite/script_test_10.sh: New test. Test script section
4805         order.
4806         * testsuite/script_test_10.t: Likewise.
4807         * testsuite/script_test_10.s: Likewise.
4808         * testsuite/Makefile.am: Wrap the cross linker tests and the
4809         common tests into NATIVE_OR_CROSS_LINKER.
4810         (check_SCRIPTS): Add script_test_10.sh.
4811         (check_DATA): Add script_test_10.stdout.
4812         (script_test_10.o, script_test_10): New targets.
4813         (script_test_10.stdout): New target.
4814         * configure, testsuite/Makefile.in: Regenerate.
4815
4816 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4817
4818         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4819         error for the deprecated relocations.
4820         (Target_arm::Scan::global): Likewise.
4821         (Target_arm::Relocate::relocate): Likewise.
4822
4823 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4824
4825         * fileread.cc (Input_file::find_file): Initialize *found_name
4826         and *namep when using the fallback search for case 4.
4827
4828 2010-10-11  Cary Coutant  <ccoutant@google.com>
4829
4830         * options.h (class General_options): Redefine -z lazy as an alias for
4831         the negation of -z now.
4832
4833 2010-10-11  Ian Lance Taylor  <iant@google.com>
4834
4835         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4836         binding.
4837
4838 2010-10-06  Nick Clifton  <nickc@redhat.com>
4839
4840         * script-sections.cc(class Memory_region): Remove
4841         current_lma_offset_ field.  Rename current_vma_offset_ to
4842         current_offset_.  Add last_section_ field.
4843         (Memory_region::get_current_vma_address): Rename to
4844         get_current_address.
4845         (Memory_region::get_current_lma_address): Delete.
4846         (Memory_region::increment_vma_offset): Rename to
4847         increment_offset.
4848         (Memory_region::increment_lma_offset): Delete.
4849         (Memory_region::attributes_compatible): New method.  Returns
4850         true if the provided section is compatible with the region.
4851         (Memory_region::get_last_section): New method.  Returns the last
4852         section to use the region.
4853         (Memory_region::set_last_section): New method.  Stores the last
4854         section to use the region.
4855         (Script_sections::block_in_region): New method.  Returns true if
4856         a block of memory is contained within a region.
4857         (Script_sections::find_memory_region): New method.  Locates a
4858         memory region to be used to set a VMA or LMA address.
4859         (Output_section_definition::set_section_addresses): Add code to
4860         check for addresses set by memory regions.
4861         (Output_segment::set_section_addresses): Remove memory region
4862         walking code.
4863         (Script_sections::create_segment): Add a warning if a header
4864         segment is created outside of any region.
4865         * script-sections.h (class Script_sections): Add prototypes for
4866         find_memory_region and block_in_region methods.
4867         * testsuite/memory_test.s: Use .long instead of .word.
4868         * testsuite/memory_test.t: Add some more output sections.
4869         * testsuite/memory_test.sh: Update expected output.
4870
4871 2010-10-02  Doug Kwan  <dougkwan@google.com>
4872
4873         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4874         defintion to symtab.h
4875         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4876         declaration to defintion.
4877
4878 2010-10-01  Nick Clifton  <nickc@redhat.com>
4879
4880         * expression.cc (eval): Replace dummy argument with NULL.
4881         (eval_maybe_dot): Check for a NULL result section pointer.
4882         (Symbol_expression::value): Likewise.
4883         (Dot_expression::value): Likewise.
4884         (BINARY_EXPRESSION): Likewise.
4885         (Max_expression::value): Likewise.
4886         (Min_expression::value): Likewise.
4887         (Absolute_expression::value): Likewise.
4888         (Addr_expression::value_from_output_section): Likewise.
4889         (Loaddddr_expression::value_from_output_section): Likewise.
4890         (Segment_start_expression::value): Likewise.
4891         * script-sections.cc
4892         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4893         argument with NULL.
4894         (Sections_elememt_dot_assignment::set_section_addresses):
4895         Likewise.
4896         (Output_data_expression::do_write_to_buffer): Likewise.
4897         (Output_section_definition::finalize_symbols): Likewise.
4898         (Output_section_definition::set_section_addresses): Likewise.
4899
4900 2010-09-30  Doug Kwan  <dougkwan@google.com>
4901
4902         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4903
4904 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4905
4906         * target.h (Target::can_icf_inline_merge_sections): New virtual
4907         function.
4908         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4909         virtual function.
4910         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4911         virtual function.
4912         * icf.cc (get_section_contents): Inline merge sections only when
4913         target allows it.
4914
4915 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4916
4917         * configure: Regenerate.
4918
4919 2010-09-17  Ian Lance Taylor  <iant@google.com>
4920
4921         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4922         * testsuite/Makefile.am (memory_test.o): New target.
4923         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4924         memory_test.t.
4925         * testsuite/Makefile.in: Rebuild.
4926
4927 2010-09-17  Doug Kwan  <dougkwan@google.com>
4928
4929         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4930         defintion if relocation uses GOT entries of the symbol.
4931         * testsuite/icf_safe_test.sh: Fix test.
4932         * testsuite/icf_safe_so_test.sh: Fix test.
4933
4934 2010-09-16  Cary Coutant  <ccoutant@google.com>
4935
4936         * script_sections.cc (class Memory_region): Remove "NULL" from
4937         vector initializations.
4938
4939 2010-09-15  Cary Coutant  <ccoutant@google.com>
4940
4941         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4942         Resolve forwarding symbols.
4943
4944 2010-09-15  Doug Kwan  <dougkwan@google.com>
4945
4946         * gold/testsuite/script_test_3.t: Add ARM special sections.
4947         * gold/testsuite/script_test_4.t: Same.
4948         * gold/testsuite/script_test_5.t: Same.
4949         * gold/testsuite/script_test_6.t: Same.
4950         * gold/testsuite/script_test_7.t: Same.
4951         * gold/testsuite/script_test_7.t: Same.
4952         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4953
4954 2010-09-14  Cary Coutant  <ccoutant@google.com>
4955
4956         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4957         (Target_x86_64::Relocate::relocate_tls): Replace check for
4958         saw_tls_block_reloc_ with test for executable section.
4959
4960 2010-09-12  Cary Coutant  <ccoutant@google.com>
4961
4962         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4963         position-independent executables to shared libraries need dynamic
4964         relocations.
4965         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4966         position-independent executables.
4967         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4968         * testsuite/Makefile.in: Regenerate.
4969
4970 2010-09-10  Nick Clifton  <nickc@redhat.com>
4971
4972         PR gold/11997
4973         * testsuite/memory_test.t: Discard any sections that are not
4974         needed.
4975
4976 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4977
4978         PR gold/11996
4979         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4980         "This::" to work around a bug in gcc 4.2.
4981
4982         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4983
4984 2010-09-09  Rafael Espindola  <espindola@google.com>
4985
4986         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4987         sections with different PF_X flags in the same segment.
4988         (Layout::find_first_load_seg): Search all segments to find the first
4989         one.
4990         * options.h (rosegment): New.
4991
4992 2010-09-08  Rafael Espindola  <espindola@google.com>
4993
4994         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4995
4996 2010-09-08  Doug Kwan  <dougkwan@google.com>
4997
4998         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4999         (Arm_relobj::do_relocate_sections): Add new parameter for output
5000         file to match the parent.
5001         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5002         of local symbols instead of input values.  Update code to track
5003         changes in gold::relocate_section.
5004         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5005         (Sized_relobj::compute_final_local_value_internal): New methods.
5006         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5007         body into private version of Sized_relobj::compute_final_local_value.
5008         Call the inline method.
5009         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5010         merged symbol value if there is one.
5011         (Symbol_value::has_output_value): New method defintiion.
5012         (Sized_relobj::Compute_final_local_value_status): New enum type.
5013         (Sized_relobj::compute_final_local_value): New methods.
5014         (Sized_relobj::compute_final_local_value_internal): New methods.
5015         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5016         and arm_cortex_a8.sh.
5017         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5018         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5019         New tests.
5020         * Makefile.in: Regenerate.
5021         * testsuite/arm_bl_out_of_range.s: Update test.
5022         * testsuite/thumb_bl_out_of_range.s: Ditto.
5023         * testsuite/thumb_blx_out_of_range.s: Ditto.
5024         * testsuite/arm_branch_out_of_range.sh: New file.
5025         * testsuite/arm_cortex_a8.sh: Ditto.
5026         * testsuite/arm_cortex_a8_b.s: Ditto.
5027         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5028         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5029         * testsuite/arm_cortex_a8_bl.s: Ditto.
5030         * testsuite/arm_cortex_a8_blx.s: Ditto.
5031         * testsuite/arm_cortex_a8_local.s: Ditto.
5032         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5033         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5034
5035 2010-09-08  Rafael Espindola  <espindola@google.com>
5036
5037         * Makefile.am (memory_test.stdout): Run readelf with -W.
5038         * Makefile.in: Regenerate.
5039         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5040         64 bit output.
5041
5042 2010-09-08  Rafael Espindola  <espindola@google.com>
5043
5044         * script-sections.cc (Script_sections::add_memory_region): Convert
5045         field precision to int.
5046         * script.cc (script_set_section_region, script_set_section_region):
5047         Convert field precision to int.
5048
5049 2010-09-08  Rafael Espindola  <espindola@google.com>
5050
5051         * arm.cc (do_finalize_sections): Create the __exidx_start and
5052         __exdix_end symbols even when the section is missing.
5053
5054 2010-09-08  Nick Clifton  <nickc@redhat.com>
5055
5056         * README: Remove claim that MEMORY is not supported.
5057         * expression.cc (script_exp_function_origin)
5058         (script_exp_function_length): Move from here to ...
5059         * script.cc: ... here.
5060         (script_set_section_region, script_add_memory)
5061         (script_parse_memory_attr, script_include_directive): New
5062         functions.
5063         * script-sections.cc
5064         (class Memory_region): New class.
5065         (class Output_section_definition): Add set_memory_region,
5066         set_section_vma, set_section_lma and get_section_name methods.
5067         (class Script_Sections): Add add_memory_region,
5068         find_memory_region, find_memory_region_origin,
5069         find_memory_region_length and set_memory_region methods.
5070         Have set_section_addresses method walk the list of set memory
5071         regions.
5072         Extend the print methos to display memory regions.
5073         * script-sections.h: Add prototypes for new methods.
5074         Add enum for MEMORY region attributes.
5075         * yyscript.y: Add support for parsing MEMORY regions.
5076         * script-c.h: Add prototypes for new functions.
5077         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5078         * testsuite/Makefile.in: Regenerate.
5079         * testsuite/memory_test.sh: New script.
5080         * testsuite/memory_test.s: New assembler source file.
5081         * testsuite/memory_test.t: New linker script.
5082
5083 2010-08-27  Doug Kwan  <dougkwan@google.com>
5084
5085         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5086         reference override an existing dynamic weak reference.
5087         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5088         * testsuite/Makefile.in: Regenerate.
5089         * testsuite/dyn_weak_ref.sh: New file.
5090         * testsuite/dyn_weak_ref_1.c: Ditto.
5091         * testsuite/dyn_weak_ref_2.c: Ditto.
5092
5093 2010-08-27  Ian Lance Taylor  <iant@google.com>
5094
5095         * incremental.h (class Incremental_input_entry): Add virtual
5096         destructor.
5097
5098 2010-08-27  Ian Lance Taylor  <iant@google.com>
5099
5100         * testsuite/start_lib_test_3.c: Mark t3 as used.
5101
5102 2010-08-27  Nick Clifton  <nickc@redhat.com>
5103
5104         * options.cc (version_script): Fix small typo in previous
5105         whitespace tidyup.
5106
5107 2010-08-25  Nick Clifton  <nickc@redhat.com>
5108
5109         * archive.cc: Formatting fixes: Remove whitespace between
5110         typename and following asterisk.  Remove whitespace between
5111         function name and opening parenthesis.
5112         * archive.h: Likewise.
5113         * arm.cc: Likewise.
5114         * attributes.cc: Likewise.
5115         * attributes.h: Likewise.
5116         * common.cc: Likewise.
5117         * copy-relocs.cc: Likewise.
5118         * dirsearch.h: Likewise.
5119         * dynobj.cc: Likewise.
5120         * ehframe.cc: Likewise.
5121         * ehframe.h: Likewise.
5122         * expression.cc: Likewise.
5123         * fileread.cc: Likewise.
5124         * fileread.h: Likewise.
5125         * gc.h: Likewise.
5126         * gold-threads.cc: Likewise.
5127         * gold.cc: Likewise.
5128         * i386.cc: Likewise.
5129         * icf.h: Likewise.
5130         * incremental-dump.cc: Likewise.
5131         * incremental.cc: Likewise.
5132         * layout.cc: Likewise.
5133         * layout.h: Likewise.
5134         * main.cc: Likewise.
5135         * merge.cc: Likewise.
5136         * merge.h: Likewise.
5137         * object.cc: Likewise.
5138         * object.h: Likewise.
5139         * options.cc: Likewise.
5140         * options.h: Likewise.
5141         * output.cc: Likewise.
5142         * output.h: Likewise.
5143         * plugin.cc: Likewise.
5144         * plugin.h: Likewise.
5145         * powerpc.cc: Likewise.
5146         * reloc.cc: Likewise.
5147         * script-c.h: Likewise.
5148         * script-sections.cc: Likewise.
5149         * script.cc: Likewise.
5150         * stringpool.cc: Likewise.
5151         * symtab.cc: Likewise.
5152         * symtab.h: Likewise.
5153         * target.cc: Likewise.
5154         * timer.cc: Likewise.
5155         * timer.h: Likewise.
5156         * version.cc: Likewise.
5157         * x86_64.cc: Likewise.
5158
5159 2010-08-24  Nick Clifton  <nickc@redhat.com>
5160
5161         PR 11899
5162         * layout.cc (segment_precedes): Sort segments by their physical
5163         addresses, if they have been set.
5164
5165 2010-08-23  Cary Coutant  <ccoutant@google.com>
5166
5167         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5168         symbols data.
5169         (Lib_group::include_member): Unlock object after deleting its
5170         symbols data.
5171         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5172         the bug fixed here.
5173
5174 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5175             Cary Coutant  <ccoutant@google.com>
5176
5177         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5178         constructor, and set_blocker.
5179         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5180         readsyms_blocker_.
5181         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5182         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5183         * testsuite/Makefile.am (start_lib_test): New test case.
5184         * testsuite/Makefile.in: Regenerate.
5185         * testsuite/start_lib_test_main.c: New file.
5186         * testsuite/start_lib_test_1.c: New file.
5187         * testsuite/start_lib_test_2.c: New file.
5188         * testsuite/start_lib_test_3.c: New file.
5189
5190 2010-08-19  Ian Lance Taylor  <iant@google.com>
5191
5192         * Makefile.in: Rebuild with automake 1.11.1.
5193         * aclocal.m4: Likewise.
5194         * testsuite/Makefile.in: Likewise.
5195
5196 2010-08-19  Ian Lance Taylor  <iant@google.com>
5197
5198         PR 10893
5199         * i386.cc (class Output_data_plt_i386): Update declarations.
5200         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5201         local_ifuncs_ fields.
5202         (Target_i386::do_plt_section_for_global): New function.
5203         (Target_i386::do_plt_section_for_local): New function.
5204         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5205         parameter; change all callers.  Initialize global_ifuncs_ and
5206         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5207         __rel_iplt_end.
5208         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5209         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5210         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5211         symbols.
5212         (Target_i386::make_plt_section): New function, broken out of
5213         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5214         (Target_i386::make_plt_entry): Call make_plt_section.
5215         (Target_i386::make_local_ifunc_plt_entry): New function.
5216         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5217         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5218         R_386_IRELATIVE to switch.
5219         (Target_i386::Scan::global): Likewise.
5220         (Target_i386::Relocate::relocate): Likewise.
5221         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5222         switch.
5223         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5224         (Target_x86_64::do_plt_section_for_global): New function.
5225         (Target_x86_64::do_plt_section_for_local): New function.
5226         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5227         parameter; change all callers.  If doing a static link define
5228         __rela_iplt_start and __rela_iplt_end.
5229         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5230         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5231         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5232         to point to .plt.
5233         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5234         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5235         switch.
5236         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5237         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5238         R_X86_64_IRELATIVE to switch.
5239         (Target_x86_64::Scan::global): Likewise.
5240         (Target_x86_64::Relocate::relocate): Likewise.
5241         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5242         switch.
5243         * target.h (class Target): Add plt_section_for_global and
5244         plt_section_for_local functions.  Add do_plt_section_for_global
5245         and do_plt_section_for_local virtual functions.
5246         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5247         clarifying comments.
5248         (Symbol::use_plt_offset): Handle IFUNC symbol.
5249         * object.cc (Sized_relobj::Sized_relobj): Initialize
5250         local_plt_offsets_.
5251         (Sized_relobj::local_has_plt_offset): New function.
5252         (Sized_relobj::local_plt_offset): New function.
5253         (Sized_relobj::set_local_plt_offset): New function.
5254         (Sized_relobj::do_count): Handle IFUNC symbol.
5255         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5256         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5257         is_ifunc_symbol functions.
5258         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5259         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5260         local_plt_offsets_ field.
5261         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5262         * output.h (class Output_section_data): Add non-const
5263         output_section function.
5264         (class Output_data_got): Update declarations.
5265         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5266         Add use_plt_offset parameter to global and local constructors.
5267         Change all callers.  Change local_sym_index_ field to 31 bits.
5268         Change GSYM_CODE and CONSTANT_CODE accordingly.
5269         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5270         doing a static link don't set sh_link field.
5271         (Output_data_got::Got_entry::write): Use PLT offset if
5272         appropriate.
5273         (Output_data_got::add_global_plt): New function.
5274         (Output_data_got::add_local_plt): New function.
5275         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5276         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5277         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5278         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5279         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5280         IFUNC conditional.
5281         * testsuite/ifunc-sel.h: New file.
5282         * testsuite/ifuncmain1.c: New file.
5283         * testsuite/ifuncmain1vis.c: New file.
5284         * testsuite/ifuncmod1.c: New file.
5285         * testsuite/ifuncdep2.c: New file.
5286         * testsuite/ifuncmain2.c: New file.
5287         * testsuite/ifuncmain3.c: New file.
5288         * testsuite/ifuncmod3.c: New file.
5289         * testsuite/ifuncmain4.c: New file.
5290         * testsuite/ifuncmain5.c: New file.
5291         * testsuite/ifuncmod5.c: New file.
5292         * testsuite/ifuncmain6pie.c: New file.
5293         * testsuite/ifuncmod6.c: New file.
5294         * testsuite/ifuncmain7.c: New file.
5295         * configure, testsuite/Makefile.in: Rebuild.
5296
5297 2010-08-18  Ian Lance Taylor  <iant@google.com>
5298
5299         * incremental.cc
5300         (Output_section_incremental_inputs::write_input_files): Add cast
5301         to avoid signed/unsigned comparison warning.
5302         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5303
5304 2010-08-12  Cary Coutant  <ccoutant@google.com>
5305
5306         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5307
5308 2010-08-13  Ian Lance Taylor  <iant@google.com>
5309
5310         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5311
5312 2010-08-12  Cary Coutant  <ccoutant@google.com>
5313             Doug Kwan  <dougkwan@google.com>
5314
5315         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5316         defintion overrides non-weak undef, remember that the original undef
5317         is not weak.
5318         * symtab.cc (Symbol_table::sized_write_global): For undef without
5319         an original weak binding, set binding to global in output.
5320         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5321         * testsuite/Makefile.in: Regenerate.
5322         * testsuite/strong_ref_weak_def.sh: New file.
5323         * testsuite/strong_ref_weak_def_1.c: Ditto.
5324         * testsuite/strong_ref_weak_def_2.c: Ditto.
5325
5326 2010-08-12  Cary Coutant  <ccoutant@google.com>
5327
5328         * testsuite/incremental_test.sh: Rewrite.
5329         * testsuite/incremental_test_1.c: Rewrite.
5330         * testsuite/incremental_test_2.c: Rewrite.
5331
5332 2010-08-12  Cary Coutant  <ccoutant@google.com>
5333
5334         * arm.cc (Target_arm::got_size): Add const.
5335         (Target_arm::got_entry_count): New function.
5336         (Target_arm::plt_entry_count): New function.
5337         (Target_arm::first_plt_entry_offset): New function.
5338         (Target_arm::plt_entry_size): New function.
5339         (Output_data_plt_arm::entry_count): New function.
5340         (Output_data_plt_arm::first_plt_entry_offset): New function.
5341         (Output_data_plt_arm::get_plt_entry_size): New function.
5342         * i386.cc (Target_i386::got_size): Add const.
5343         (Target_i386::got_entry_count): New function.
5344         (Target_i386::plt_entry_count): New function.
5345         (Target_i386::first_plt_entry_offset): New function.
5346         (Target_i386::plt_entry_size): New function.
5347         (Output_data_plt_i386::entry_count): New function.
5348         (Output_data_plt_i386::first_plt_entry_offset): New function.
5349         (Output_data_plt_i386::get_plt_entry_size): New function.
5350         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5351         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5352         * incremental.cc: Include target.h.
5353         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5354         parameter.  Adjust all callers.  Find incremental_got_plt section.
5355         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5356         section.
5357         (Output_section_incremental_inputs::set_final_data_size): Calculate
5358         size of incremental_got_plt section.
5359         (Output_section_incremental_inputs::do_write): Write the
5360         incremental_got_plt section.
5361         (Got_plt_view_info): New struct.
5362         (Local_got_offset_visitor): New class.
5363         (Global_got_offset_visitor): New class.
5364         (Global_symbol_visitor_got_plt): New class.
5365         (Output_section_incremental_inputs::write_got_plt): New function.
5366         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5367         Add parameter.  Adjust all callers.
5368         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5369         (Incremental_inputs::got_plt_section): New function.
5370         (Incremental_inputs::got_plt_section_): New data member.
5371         (Incremental_got_plt_reader): New class.
5372         * layout.cc (Layout::create_incremental_info_sections): Add the
5373         incremental_got_plt section.
5374         * object.h (Got_offset_list::get_list): New function.
5375         (Got offset_list::for_all_got_offsets): New function.
5376         (Sized_relobj::local_got_offset_list): New function.
5377         * powerpc.cc (Target_powerpc::got_size): Add const.
5378         (Target_powerpc::got_entry_count): New function.
5379         (Target_powerpc::plt_entry_count): New function.
5380         (Target_powerpc::first_plt_entry_offset): New function.
5381         (Target_powerpc::plt_entry_size): New function.
5382         (Output_data_plt_powerpc::entry_count): New function.
5383         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5384         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5385         * sparc.cc (Target_sparc::got_size): Add const.
5386         (Target_sparc::got_entry_count): New function.
5387         (Target_sparc::plt_entry_count): New function.
5388         (Target_sparc::first_plt_entry_offset): New function.
5389         (Target_sparc::plt_entry_size): New function.
5390         (Output_data_plt_sparc::entry_count): New function.
5391         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5392         (Output_data_plt_sparc::get_plt_entry_size): New function.
5393         * symtab.h (Symbol::got_offset_list): New function.
5394         (Symbol_table::for_all_symbols): New function.
5395         * target.h (Sized_target::got_entry_count): New function.
5396         (Sized_target::plt_entry_count): New function.
5397         (Sized_target::plt_entry_size): New function.
5398         * x86_64.cc (Target_x86_64::got_size): Add const.
5399         (Target_x86_64::got_entry_count): New function.
5400         (Target_x86_64::plt_entry_count): New function.
5401         (Target_x86_64::first_plt_entry_offset): New function.
5402         (Target_x86_64::plt_entry_size): New function.
5403         (Output_data_plt_x86_64::entry_count): New function.
5404         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5405         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5406
5407 2010-08-12  Cary Coutant  <ccoutant@google.com>
5408
5409         * archive.cc: Include incremental.h.
5410         (Archive::Archive): Initialize incremental_info_.
5411         (Archive::include_member): Record archive members in incremental info.
5412         (Add_archive_symbols::run): Record begin and end of an archive in
5413         incremental info.
5414         (Lib_group::include_member): Record objects in incremental info.
5415         * archive.h (Incremental_archive_entry): Forward declaration.
5416         (Archive::set_incremental_info): New member function.
5417         (Archive::incremental_info): New member function.
5418         (Archive::Unused_symbol_iterator): New class.
5419         (Archive::unused_symbols_begin): New member function.
5420         (Archive::unused_symbols_end): New member function.
5421         (Archive::incremental_info_): New data member.
5422         * incremental-dump.cc (find_input_containing_global): New function.
5423         (dump_incremental_inputs): Dump new incremental info sections.
5424         * incremental.cc: Include symtab.h.
5425         (Output_section_incremental_inputs): New class.
5426         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5427         new incremental info sections.
5428         (Sized_incremental_binary::do_check_inputs): Likewise.
5429         (Incremental_inputs::report_archive): Remove.
5430         (Incremental_inputs::report_archive_begin): New function.
5431         (Incremental_inputs::report_archive_end): New function.
5432         (Incremental_inputs::report_object): New function.
5433         (Incremental_inputs::finalize_inputs): Remove.
5434         (Incremental_inputs::report_input_section): New function.
5435         (Incremental_inputs::report_script): Rewrite.
5436         (Incremental_inputs::finalize): Do nothing but finalize string table.
5437         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5438         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5439         (Incremental_inputs::create_data_sections): New function.
5440         (Incremental_inputs::relocs_entsize): New function.
5441         (Output_section_incremental_inputs::set_final_data_size): New function.
5442         (Output_section_incremental_inputs::do_write): New function.
5443         (Output_section_incremental_inputs::write_header): New function.
5444         (Output_section_incremental_inputs::write_input_files): New function.
5445         (Output_section_incremental_inputs::write_info_blocks): New function.
5446         (Output_section_incremental_inputs::write_symtab): New function.
5447         * incremental.h (Incremental_script_entry): Forward declaration.
5448         (Incremental_object_entry): Forward declaration.
5449         (Incremental_archive_entry): Forward declaration.
5450         (Incremental_inputs): Forward declaration.
5451         (Incremental_inputs_header_data): Remove.
5452         (Incremental_inputs_header): Remove.
5453         (Incremental_inputs_header_write): Remove.
5454         (Incremental_inputs_entry_data): Remove.
5455         (Incremental_inputs_entry): Remove.
5456         (Incremental_inputs_entry_write): Remove.
5457         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5458         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5459         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5460         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5461         Likewise.
5462         (Incremental_input_entry): New class.
5463         (Incremental_script_entry): New class.
5464         (Incremental_object_entry): New class.
5465         (Incremental_archive_entry): New class.
5466         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5467         (Incremental_inputs::report_inputs): Remove.
5468         (Incremental_inputs::report_archive): Remove.
5469         (Incremental_inputs::report_archive_begin): New function.
5470         (Incremental_inputs::report_archive_end): New function.
5471         (Incremental_inputs::report_object): Change prototype.
5472         (Incremental_inputs::report_input_section): New function.
5473         (Incremental_inputs::report_script): Change prototype.
5474         (Incremental_inputs::get_reloc_count): New function.
5475         (Incremental_inputs::set_reloc_count): New function.
5476         (Incremental_inputs::create_data_sections): New function.
5477         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5478         (Incremental_inputs::inputs_section): New function.
5479         (Incremental_inputs::symtab_section): New function.
5480         (Incremental_inputs::relocs_section): New function.
5481         (Incremental_inputs::get_stringpool): Add const.
5482         (Incremental_inputs::command_line): Add const.
5483         (Incremental_inputs::inputs): Remove.
5484         (Incremental_inputs::command_line_key): New function.
5485         (Incremental_inputs::input_file_count): New function.
5486         (Incremental_inputs::input_files): New function.
5487         (Incremental_inputs::relocs_entsize): New function.
5488         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5489         (Incremental_inputs::finalize_inputs): Remove.
5490         (Incremental_inputs::Input_info): Remove.
5491         (Incremental_inputs::lock_): Remove.
5492         (Incremental_inputs::inputs_): Change type.
5493         (Incremental_inputs::inputs_map_): Remove.
5494         (Incremental_inputs::current_object_entry_): New data member.
5495         (Incremental_inputs::inputs_section_): New data member.
5496         (Incremental_inputs::symtab_section_): New data member.
5497         (Incremental_inputs::relocs_section_): New data member.
5498         (Incremental_inputs::reloc_count_): New data member.
5499         (Incremental_inputs_reader): New class.
5500         (Incremental_symtab_reader): New class.
5501         (Incremental_relocs_reader): New class.
5502         * layout.cc (Layout::finalize): Move finalization of incremental info
5503         and creation of incremental info sections to follow finalization of
5504         symbol table.  Set offsets for postprocessing sections.
5505         (Layout::create_incremental_info_sections): Call
5506         Incremental_inputs::create_data_sections.  Add incremental symtab
5507         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5508         sections to layout after input sections.
5509         * layout.h (struct Timespec): Forward declaration.
5510         (Layout::incremental_inputs): Add const.
5511         (Layout::create_incremental_info_sections): Add parameter.
5512         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5513         * object.cc: Include incremental.h.
5514         (Relobj::finalize_incremental_relocs): New function.
5515         (Sized_relobj::do_layout): Record input sections in incremental info.
5516         * object.h (Object::output_section): New function.
5517         (Object::output_section_offset): Moved from Relobj.
5518         (Object::get_incremental_reloc_base): New function.
5519         (Object::get_incremental_reloc_count): New function.
5520         (Object::do_output_section): New function.
5521         (Object::do_output_section_offset): Moved from Relobj.
5522         (Object::do_get_incremental_reloc_base): New function.
5523         (Object::do_get_incremental_reloc_count): New function.
5524         (Object::Object): Initialize new data members.
5525         (Relobj::output_section): Renamed do_output_section and moved to
5526         protected.
5527         (Relobj::output_section_offset): Moved to Object.
5528         (Relobj::do_get_incremental_reloc_base): New function.
5529         (Relobj::do_get_incremental_reloc_count): New function.
5530         (Relobj::allocate_incremental_reloc_counts): New function.
5531         (Relobj::count_incremental_reloc): New function.
5532         (Relobj::finalize_incremental_relocs): New function.
5533         (Relobj::next_incremental_reloc_index): New function.
5534         (Relobj::reloc_counts_): New data member.
5535         (Relobj::reloc_bases_): New data member.
5536         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5537         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5538         (Sized_relobj::incremental_relocs_scan): New function.
5539         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5540         (Sized_relobj::incremental_relocs_write): New function.
5541         (Sized_relobj::incremental_relocs_write_reltype): New function.
5542         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5543         incremental link.
5544         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5545         archives and object files elsewhere.
5546         (Add_symbols::run): Report object files here.
5547         (Finish_group::run): Report end of archive at end of group.
5548         * reloc.cc: Include layout.h, incremental.h.
5549         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5550         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5551         (Sized_relobj::incremental_relocs_scan): New function.
5552         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5553         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5554         (Sized_relobj::incremental_relocs_write): New function.
5555         (Sized_relobj::incremental_relocs_write_reltype): New function.
5556         * script.cc (read_input_script): Rewrite test for incremental link.
5557         Change call to Incremental_inputs::report_script.
5558         * symtab.h (Symbol_table::first_global_index): New function.
5559         (Symbol_table::output_count): New function.
5560
5561 2010-08-12  Doug Kwan  <dougkwan@google.com>
5562
5563         * arm.cc (Target_arm::merge_object_attributes): Check command line
5564         options --no-wchar-size-warning and --no-enum-size-warning.
5565         * options.h (General_options): Add ld-compatible options
5566         --no-enum-size-warning and --no-wchar-size-warning.
5567
5568 2010-08-04  Ian Lance Taylor  <iant@google.com>
5569
5570         * x86_64.cc (Target_x86_64::Scan::local): Use
5571         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5572         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5573         (Target_x86_64::Scan::global): Likewise.
5574         (Target_x86_64::Relocate::relocate): Likewise.
5575         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5576         Likewise.
5577
5578 2010-08-03  Cary Coutant  <ccoutant@google.com>
5579
5580         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5581         to reserve space in merged_strings vector. Keep total input size
5582         for stats.
5583         (Output_merge_string::do_print_merge_stats): Print total input size.
5584         * merge.h (Output_merge_string): Add input_size_ field.
5585         * stringpool.cc (Stringpool_template::string_length): Move
5586         implementations out of Stringpool_template class and place in
5587         stringpool.h.
5588         * stringpool.h (string_length): Move out of Stringpool_template.
5589
5590 2010-08-03  Ian Lance Taylor  <iant@google.com>
5591
5592         PR 11712
5593         * layout.cc (relaxation_loop_body): If address of load segment is
5594         set, adjust address to include headers if possible.
5595
5596 2010-08-03  Ian Lance Taylor  <iant@google.com>
5597
5598         * version.cc (version_string): Bump to 1.10.
5599
5600 2010-08-03  Ian Lance Taylor  <iant@google.com>
5601
5602         PR 11805
5603         * layout.h (enum Output_section_order): Define.
5604         (class Layout): Update declarations.
5605         * layout.cc (Layout::get_output_section): Add order parameter.
5606         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5607         is_first_non_relro parameters.  Change all callers.
5608         (Layout::choose_output_section): Likewise.
5609         (Layout::add_output_section_data): Likewise.
5610         (Layout::make_output_section): Likewise.  Set order.
5611         (Layout::default_section_order): New function.
5612         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5613         * output.cc (Output_section::Output_section): Initialize order_.
5614         Don't initialize deleted fields.
5615         (Output_segment::Output_segment): Don't initialize deleted
5616         fields.
5617         (Output_segment::add_output_section_to_load): New function
5618         replacing add_output_section.  Change all callers to call this or
5619         add_output_section_to_nonload.
5620         (Output_segment::add_output_section_to_nonload): New function.
5621         (Output_segment::remove_output_section): Rewrite.
5622         (Output_segment::add_initial_output_data): Likewise.
5623         (Output_segment::has_any_data_sections): Likewise.
5624         (Output_segment::is_first_section_relro): Likewise.
5625         (Output_segment::maximum_alignment): Likewise.
5626         (Output_segment::has_dynamic_reloc): New function replacing
5627         dynamic_reloc_count.  Change all callers.
5628         (Output_segment::has_dynamic_reloc_list): New function replacing
5629         dynamic_reloc_count_list.  Change all callers.
5630         (Output_segment::set_section_addresses): Rewrite.
5631         (Output_segment::set_offset): Rewrite.
5632         (Output_segment::find_first_and_last_list): Remove.
5633         (Output_segment::set_tls_offsets): Rewrite.
5634         (Output_segment::first_section_load_address): Likewise.
5635         (Output_segment::output_section_count): Likewise.
5636         (Output_segment::section_with_lowest_load_address): Likewise.
5637         (Output_segment::write_section_headers): Likewise.
5638         (Output_segment::print_sections_to_map): Likewise.
5639         * output.h (class Output_data): Remove dynamic_reloc_count_
5640         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5641         (Output_data::add_dynamic_reloc): Rewrite.
5642         (Output_data::has_dynamic_reloc): New function.
5643         (Output_data::dynamic_reloc_count): Remove.
5644         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5645         is_last_relro_, is_first_non_relro_, is_interp_,
5646         is_dynamic_linker_section_ fields.  Add order and set_order
5647         functions.  Remove is_relro_local, set_is_relro_local,
5648         is_last_relro, set_is_last_relro, is_first_non_relro,
5649         set_is_first_non_relro functions, is_interp, set_is_interp,
5650         is_dynamic_linker_section, and set_is_dynamic_linker_section
5651         functions.
5652         (class Output_segment): Change Output_data_list from std::list to
5653         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5654         output_bss_ fields.  Update declarations.
5655
5656 2010-08-02  Ian Lance Taylor  <iant@google.com>
5657
5658         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5659         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5660         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5661
5662 2010-08-02  Ian Lance Taylor  <iant@google.com>
5663
5664         PR 11855
5665         * script.cc (Script_options::Script_options): Initialize
5666         symbol_definitions_ and symbol_references_.
5667         (Script_options::add_symbol_assignment): Update
5668         symbol_definitions_ and symbol_references_.
5669         (Script_options::add_symbol_reference): New function.
5670         (script_symbol): New function.
5671         * script.h (class Script_options): Add symbol_definitions_ and
5672         symbol_references_ fields.
5673         (Script_options::referenced_const_iterator): New type.
5674         (Script_options::referenced_begin): New function.
5675         (Script_options::referenced_end): New function.
5676         (Script_options::is_referenced): New function.
5677         (Script_options::any_unreferenced): New function.
5678         * script-c.h (script_symbol): Declare.
5679         * yyscript.y (exp): Call script_symbol.
5680         * symtab.cc: Include "script.h".
5681         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5682         Change all callers.  Check symbols referenced by scripts.
5683         (Symbol_table::add_undefined_symbols_from_command_line): Add
5684         layout parameter.  Change all callers.
5685         (Symbol_table::do_add_undefined_symbols_from_command_line):
5686         Likewise.  Break out loop body.  Check symbols referenced by
5687         scripts.
5688         (Symbol_table::add_undefined_symbol_from_command_line): New
5689         function broken out of
5690         do_add_undefined_symbols_from_command_line.
5691         * symtab.h (class Symbol_table): Update declarations.
5692         * archive.cc: Include "layout.h".
5693         (Archive::should_include_member): Add layout parameter.  Change
5694         all callers.  Check for symbol mentioned in expression.
5695         * archive.h (class Archive): Update declaration.
5696         * object.cc (Sized_relobj::do_should_include_member): Add layout
5697         parameter.
5698         * object.h (Object::should_include_member): Add layout parameter.
5699         Change all callers.
5700         (Object::do_should_include_member): Add layout parameter.
5701         (class Sized_relobj): Update declaration.
5702         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5703         parameter.
5704         * dynobj.h (class Sized_dynobj): Update declaration.
5705         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5706         layout parameter.
5707         * plugin.h (class Sized_pluginobj): Update declaration.
5708
5709 2010-08-02  Ian Lance Taylor  <iant@google.com>
5710
5711         PR 11866
5712         * output.cc (Output_segment::set_offset): Search for the first and
5713         last sections rather than assuming that the list is in order.
5714         (Output_segment::find_first_and_last_list): New function.
5715         * output.h (class Output_segment): Update declarations.
5716         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5717         (relro_strip_test_SOURCES): New variable.
5718         (relro_strip_test_DEPENDENCIES): New variable.
5719         (relro_strip_test_LDFLAGS): New variable.
5720         (relro_strip_test_LDADD): New variable.
5721         (relro_strip_test.so): New target.
5722
5723 2010-08-02  Ian Lance Taylor  <iant@google.com>
5724
5725         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5726         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5727         (Target_i386::got_tlsdesc_section): New function.
5728         (Target_i386::got_section): Create space for GOT entries for
5729         TLSDESC relocations.
5730         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5731         R_386_TLS_GOTDESC.
5732         (Target_i386::Scan::global): Likewise.
5733         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5734         using TLSDESC GOT.
5735         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5736         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5737         (Target_x86_64::got_tlsdesc_section): New function.
5738         (Target_x86_64::got_section): Create space for GOT entries for
5739         TLSDESC relocations.
5740         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5741         R_386_TLS_GOTDESC.
5742         (Target_x86_64::Scan::global): Likewise.
5743         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5744         using TLSDESC GOT.
5745
5746 2010-08-02  Ian Lance Taylor  <iant@google.com>
5747
5748         * testsuite/final_layout.sh: Use dc to convert from hex to
5749         decimal.
5750
5751 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5752
5753         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5754         paramter to the call to gold::gc_process_relocs.
5755         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5756         paramter to the call to gold::gc_process_relocs.
5757         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5758         parameter to the call to gold::gc_process_relocs.
5759         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5760         template parameter to the call to gold::gc_process_relocs.
5761         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5762         paramter to the call to gold::gc_process_relocs.
5763         * gc.h (get_embedded_addend_size): New function.
5764         (gc_process_relocs): Save the size of the reloc for use by ICF.
5765         * icf.cc (get_section_contents): Get the addend from the text section
5766         for SHT_REL relocation sections.
5767         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5768         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5769         * int_encoding.h (read_from_pointer): New overloaded function.
5770         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5771         * testsuite/icf_sht_rel_addend_test.sh: New file.
5772         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5773         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5774
5775 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5776
5777         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5778         * Makefile.in: Regenerate.
5779         * testsuite/Makefile.in: Regenerate.
5780
5781 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5782
5783         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5784         * gold/testsuite/debug_msg.cc: Likewise.
5785         * gold/testsuite/odr_violation1.cc
5786         * gold/testsuite/odr_violation2.cc
5787
5788 2010-07-21  Cary Coutant  <ccoutant@google.com>
5789
5790         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5791         string, and length fields.
5792         (Output_merge_string::Merged_strings_list): New type.
5793         (Output_merge_string::Merged_strings_lists): New typedef.
5794         (Output_merge_string): Replace merged_strings_ with
5795         merged_strings_lists_.
5796         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5797         Merged_strings_list per input object and section.  Don't store pointer
5798         to the string.  Don't store length with each merged string entry.
5799         (Output_merge_string::finalize_merged_data): Loop over list of merged
5800         strings lists.  Recompute length of each merged string.
5801
5802 2010-07-15  Cary Coutant  <ccoutant@google.com>
5803
5804         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5805         here.
5806
5807 2010-07-14  Ian Lance Taylor  <iant@google.com>
5808
5809         * descriptors.cc (Descriptors::open): Report correct name in error
5810         message.
5811
5812 2010-07-13  Doug Kwan  <dougkwan@google.com>
5813
5814         * arm.cc (Arm_input_section::Arm_input_section): For a
5815         SHT_ARM_EXIDX section, always keeps the input sections.
5816         (Arm_input_section::set_exidx_section_link): New method.
5817         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5818         has_errors_ to false.
5819         (Arm_exidx_input_section::has_errors,
5820         Arm_exidx_input_section::set_has_errors): New methods.
5821         (Arm_exidx_input_section::has_errors_): New data member.
5822         (Arm_relobj::get_exidx_shndx_list): New method.
5823         (Arm_output_section::append_text_sections_to_list): Do not skip
5824         section without SHF_EXECINSTR.
5825         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5826         errors.
5827         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5828         section header.  Make error messages more verbose.  Check for
5829         a non-executable section linked to an EXIDX section.
5830         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5831         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5832         check that there is no deferred EXIDX section if we exit early.
5833         Instead of not making an EXIDX section in case of an error, make one
5834         and set the has_errors flag of it.
5835         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5836         in a relocatable link.
5837         (Target_arm::do_relax): Look for the EXIDX output section instead of
5838         assuming that it is called .ARM.exidx.
5839         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5840         section list.  Do not check for SHF_EXECINSTR section flags but
5841         skip any input section with errors.
5842         * output.cc (Output_section::Output_section): Initialize
5843         always_keeps_input_sections_ to false.
5844         (Output_section::add_input_section): Check for
5845         always_keeps_input_sections_.
5846         *  output.h (Output_section::always_keeps_input_sections,
5847         Output_section::set_always_keeps_input_sections): New methods.
5848         (Output_section::always_keeps_input_sections): New data member.
5849
5850 2010-07-13  Rafael Espindola  <espindola@google.com>
5851
5852         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5853         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5854
5855 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5856             Ian Lance Taylor  <iant@google.com>
5857
5858         * output.h (Output_section_lookup_maps::add_merge_section):
5859         Correct check of whether value was inserted.
5860         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5861         (Output_section_lookup_maps::add_relaxed_input_section):
5862         Likewise.
5863         * arm.cc (Target_arm::got_section): Remove used local os.
5864         * i386.cc (Target_i386::got_section): Likewise.
5865         * x86_64.cc (Target_x86_64::got_section): Likewise.
5866         * sparc.cc (Target_sparc::got_section): Likewise.
5867         (Target_sparc::relocate): Remove unused local have_got_offset.
5868         * powerpc.cc (Target_powerpc::relocate): Likewise.
5869
5870 2010-07-13  Ian Lance Taylor  <iant@google.com>
5871
5872         * compressed_output.cc (zlib_decompress): Fix signature in
5873         !HAVE_ZLIB_H case.
5874
5875         * archive.cc (Archive::include_member): Unlock an external member
5876         of a thin archive.  Don't bother to delete an object we know is
5877         NULL.
5878
5879 2010-07-12  Cary Coutant  <ccoutant@google.com>
5880
5881         * compressed_output.cc (zlib_decompress): New function.
5882         (get_uncompressed_size): New function.
5883         (decompress_input_section): New function.
5884         * compressed_output.h (get_uncompressed_size): New function.
5885         (decompress_input_section): New function.
5886         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5887         Handle compressed debug sections.
5888         * layout.cc (is_compressed_debug_section): New function.
5889         (Layout::output_section_name): Map compressed section names to
5890         canonical names.
5891         * layout.h (is_compressed_debug_section): New function.
5892         (is_debug_info_section): Recognize compressed debug sections.
5893         * merge.cc: Include compressed_output.h.
5894         (Output_merge_data::do_add_input_section): Handle compressed
5895         debug sections.
5896         (Output_merge_string::do_add_input_section): Handle compressed
5897         debug sections.
5898         * object.cc: Include compressed_output.h.
5899         (Sized_relobj::Sized_relobj): Initialize new data members.
5900         (build_compressed_section_map): New function.
5901         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5902         * object.h (Object::section_is_compressed): New method.
5903         (Object::do_section_is_compressed): New method.
5904         (Sized_relobj::Compressed_section_map): New type.
5905         (Sized_relobj::do_section_is_compressed): New method.
5906         (Sized_relobj::compressed_sections_): New data member.
5907         * output.cc (Output_section::add_input_section): Handle compressed
5908         debug sections.
5909         * reloc.cc: Include compressed_output.h.
5910         (Sized_relobj::write_sections): Handle compressed debug sections.
5911
5912 2010-07-08  Cary Coutant  <ccoutant@google.com>
5913
5914         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5915         weak when resolving to a dynamic def.
5916         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5917         for weak undef/dynamic def cases. Adjust callers.
5918         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5919         undef_binding_weak_.
5920         (Symbol_table::sized_write_globals): Adjust symbol binding.
5921         (Symbol_table::sized_write_symbol): Add binding parameter.
5922         * symtab.h (Symbol::set_undef_binding): New method.
5923         (Symbol::is_undef_binding_weak): New method.
5924         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5925         (Symbol_table::should_override): Add new parameter.
5926         (Symbol_table::sized_write_symbol): Add new parameter.
5927
5928         * testsuite/weak_undef_file1.cc: Add new test case.
5929         * testsuite/weak_undef_file2.cc: Fix header comment.
5930         * testsuite/weak_undef_test.cc: Add new test case.
5931
5932 2010-06-29  Doug Kwan  <dougkwan@google.com>
5933
5934         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5935         Initialize USE_SYMBOL_.
5936         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5937         definition.
5938         (Arm_reloc_property::uses_symbol_): New data member declaration.
5939         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5940         uses symbol value and symbol is undefined but not weakly undefined.
5941
5942 2010-06-28  Rafael Espindola  <espindola@google.com>
5943
5944         * plugin.cc (Plugin::load): Use dlerror.
5945
5946 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5947
5948         * symtab.cc (detect_odr_violations): When reporting an ODR
5949         violation, report an object where the symbol is defined.
5950
5951 2010-06-25  Doug Kwan  <dougkwan@google.com>
5952
5953         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5954         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5955         definition.
5956         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5957         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5958         target hook to detect function points.
5959         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5960         * icf.h (Icf::check_section_for_function_pointers): Change type of
5961         parameter SECTION_NAME to const reference to std::string.  Use
5962         target hook to determine if section may have unsafe pointers.
5963         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5964         method definition.
5965
5966 2010-06-21  Rafael Espindola  <espindola@google.com>
5967
5968         * fileread.cc (Input_file::find_fie): New
5969         (Input_file::open): Use Input_file::find_fie.
5970         * fileread.h (Input_file::find_fie): New
5971         * plugin.cc (set_extra_library_path): New.
5972         (Plugin::load): Add set_extra_library_path to the transfer vector.
5973         (Plugin_manager::set_extra_library_path): New.
5974         (Plugin_manager::add_input_file): Use the extra search path if set.
5975         (set_extra_library_path(): New.
5976         * plugin.h (Plugin_manager): Add set_extra_library_path and
5977         extra_search_path_.
5978
5979 2010-06-19  Cary Coutant  <ccoutant@google.com>
5980
5981         * layout.cc (gdb_sections): Add .debug_types.
5982         (lines_only_debug_sections): Likewise.
5983
5984 2010-06-18  Rafael Espindola  <espindola@google.com>
5985
5986         * plugin.cc (add_input_file,add_input_library)
5987         (Plugin_manager::add_input_file): Make filename arguments const.
5988         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5989         const.
5990
5991 2010-06-16  Doug Kwan  <dougkwan@google.com>
5992
5993         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5994         .ARM.attributes section if we have not merged any input
5995         attributes sections.
5996
5997 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5998
5999         * arm.cc: Allow combining objects with no EABI version
6000         information.
6001
6002 2010-06-15  Rafael Espindola  <espindola@google.com>
6003
6004         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6005
6006 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6007
6008         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6009         (struct iovec): Correct !HAVE_READV definition.
6010
6011 2010-06-10  Cary Coutant  <ccoutant@google.com>
6012
6013         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6014         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6015         reloc sections.
6016         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6017
6018         PR 11683
6019         * symtab.h (Symbol::is_placeholder): New member function.
6020         * target-reloc.h (relocate_section): Check for placeholder symbols.
6021
6022         * testsuite/Makefile.am (plugin_test_8): New test.
6023         (plugin_test_9): New test.
6024         * testsuite/Makefile.in: Regenerate.
6025
6026 2010-06-09  Nick Clifton  <nickc@redhat.com>
6027
6028         * yyscript.y (input_list_element): Allow strings prefixed with
6029         the '-' character.  Treat these as libraries.
6030         * script.cc (script_add_library): New function.  Adds a library
6031         specified by "-l<name>" found in an input script.
6032         * script-c.h: Add prototype for script_add_library.
6033
6034 2010-06-07  Doug Kwan  <dougkwan@google.com>
6035
6036         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6037         Restrict stub-group size to be within long conditional branch
6038         range when working around cortex-A8 erratum.
6039
6040 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6041
6042         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6043         #ifdef typo.
6044
6045 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6046
6047         PR gold/11658
6048         * output.cc
6049         (Output_section::Input_section_sort_entry::compare_section_ordering):
6050         Change to return non-zero correctly.
6051         (Output_section::Input_section_sort_section_order_index_compare
6052         ::operator()): Change to fix ambiguity in comparisons.
6053
6054 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6055
6056         * gold.h (is_wildcard_string): New function.
6057         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6058         (Layout::layout_eh_frame): Ditto.
6059         (Layout::find_section_order_index): New method.
6060         (Layout::read_layout_from_file): New method.
6061         * layout.h (Layout::find_section_order_index): New method.
6062         (Layout::read_layout_from_file): New method.
6063         (Layout::input_section_position_): New private member.
6064         (Layout::input_section_glob_): New private member.
6065         * main.cc (main): Call read_layout_from_file here.
6066         * options.h (--section-ordering-file): New option.
6067         * output.cc (Output_section::input_section_order_specified_): New
6068         member.
6069         (Output_section::Output_section): Initialize new member.
6070         (Output_section::add_input_section): Add new parameter.
6071         Keep input sections when --section-ordering-file is used.
6072         (Output_section::set_final_data_size): Sort input sections when
6073         section ordering file is specified.
6074         (Output_section::Input_section_sort_entry): Add new parameter.
6075         Check sorting type.
6076         (Output_section::Input_section_sort_entry::compare_section_ordering):
6077         New method.
6078         (Output_section::Input_section_sort_compare::operator()): Change to
6079         consider section_order_index.
6080         (Output_section::Input_section_sort_init_fini_compare::operator()):
6081         Change to consider section_order_index.
6082         (Output_section::Input_section_sort_section_order_index_compare
6083         ::operator()): New method.
6084         (Output_section::sort_attached_input_sections): Change to sort
6085         according to section order when specified.
6086         (Output_section::add_input_section<32, true>): Add new parameter.
6087         (Output_section::add_input_section<64, true>): Add new parameter.
6088         (Output_section::add_input_section<32, false>): Add new parameter.
6089         (Output_section::add_input_section<64, false>): Add new parameter.
6090         * output.h (Output_section::add_input_section): Add new parameter.
6091         (Output_section::input_section_order_specified): New
6092         method.
6093         (Output_section::set_input_section_order_specified): New method.
6094         (Input_section::Input_section): Initialize section_order_index_.
6095         (Input_section::section_order_index): New method.
6096         (Input_section::set_section_order_index): New method.
6097         (Input_section::section_order_index_): New member.
6098         (Input_section::Input_section_sort_section_order_index_compare): New
6099         struct.
6100         (Output_section::input_section_order_specified_): New member.
6101         * script-sections.cc (is_wildcard_string): Delete and move modified
6102         method to gold.h.
6103         (Output_section_element_input::Output_section_element_input): Modify
6104         call to is_wildcard_string.
6105         (Output_section_element_input::Input_section_pattern
6106         ::Input_section_pattern): Ditto.
6107         (Output_section_element_input::Output_section_element_input): Ditto.
6108         * testsuite/Makefile.am (final_layout): New test case.
6109         * testsuite/Makefile.in: Regenerate.
6110         * testsuite/final_layout.cc: New file.
6111         * testsuite/final_layout.sh: New file.
6112
6113 2010-06-01  Rafael Espindola  <espindola@google.com>
6114
6115         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6116
6117 2010-06-01  Rafael Espindola  <espindola@google.com>
6118
6119         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6120         visibility of symbols.
6121
6122 2010-05-27  Doug Kwan  <dougkwan@google.com>
6123
6124         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6125         from start of output section instead of address for a local symbol
6126         in a merged or relaxed section when doing a relocatable link.
6127
6128 2010-05-26  Rafael Espindola  <espindola@google.com>
6129
6130         PR 11604
6131         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6132         adding sections the garbage collector removed.
6133         * gold/testsuite/Makefile.am: Add test.
6134         * gold/testsuite/Makefile.in: Regenerate.
6135         * gold/testsuite/plugin_test_7.sh: New.
6136         * gold/testsuite/plugin_test_7_1.c: New.
6137         * gold/testsuite/plugin_test_7_2.c: New.
6138
6139 2010-05-26  Rafael Espindola  <espindola@google.com>
6140
6141         * script-sections.cc (Output_section_definition::set_section_addresses):
6142         Check for --section-start.
6143
6144 2010-05-26  Doug Kwan  <dougkwan@google.com>
6145
6146         * arm.cc (Arm_scan_relocatable_relocs): New class.
6147         (Target_arm::relocate_special_relocatable): New method.
6148         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6149         (Arm_relocate_functions::thumb_branch_common): Same.
6150         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6151         instead of Default_scan_relocatable_relocs.
6152         * target-reloc.h (relocate_for_relocatable): Let target handle
6153         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6154         * target.h (Sized_target::relocate_special_relocatable): New method.
6155
6156 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6157
6158         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6159
6160 2010-05-23  Doug Kwan  <dougkwan@google.com>
6161
6162         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6163         instead of a cast.
6164         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6165         with a direct branch, not a conditional branch, to a stub.
6166         * merge.cc (Output_merge_base::record_input_section): New method
6167         defintion.
6168         (Output_merge_data::do_add_input_section): Record input section if
6169         keeps-input-sections flag is set.
6170         (Output_merge_string::do_add_input_section): Ditto.
6171         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6172         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6173         INPUT_SECTIONS_.
6174         (Output_merge_base::keeps_input_sections,
6175         Output_merge_base::set_keeps_input_sections,
6176         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6177         method definitions.
6178         (Output_merge_base::Input_sections): New type declaration.
6179         (Output_merge_base::input_sections_begin,
6180         Output_merge_base::input_sections_end,
6181         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6182         (Output_merge_base::bool keeps_input_sections_,
6183         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6184         Output_merge_base::input_sections_): New data members.
6185         (Output_merge_data::do_set_keeps_input_sections): New method
6186         defintion.
6187         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6188         * output.cc (Output_section::Input_section::relobj): Move method
6189         defintion from class declaration to here and handle merge sections.
6190         (Output_section::Input_section::shndx): Ditto.
6191         (Output_section::Output_section): Remove initializations of removed
6192         data members and initialize new data member LOOKUP_MAPS_.
6193         (Output_section::add_input_section): Set keeps-input-sections flag
6194         for a newly created merge output section as appropriate.  Adjust code
6195         to use Output_section_lookup_maps class.
6196         (Output_section::add_relaxed_input_section): Adjst code for lookup
6197         maps code refactoring.
6198         (Output_section::add_merge_input_section): Add a new parameter
6199         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6200         class.  If adding input section to a newly created merge output
6201         section fails, remove the new merge section.
6202         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6203         Adjust code for use of the Output_section_lookup_maps class.
6204         (Output_section::find_merge_section): Ditto.
6205         (Output_section::build_lookup_maps): New method defintion.
6206         (Output_section::find_relaxed_input_section): Adjust code to use
6207         Output_section_lookup_maps class.
6208         (Output_section::get_input_sections): Export merge sections.  Adjust
6209         code to use Output_section_lookup_maps class.
6210         (Output_section:::add_script_input_section): Adjust code to use
6211         Output_section_lookup_maps class.  Update lookup maps for merge
6212         sections also.
6213         (Output_section::discard_states): Use Output_section_lookup_maps.
6214         (Output_section::restore_states): Same.
6215         * output.h (Merge_section_properties): Move class defintion out of
6216         Output_section.
6217         (Output_section_lookup_maps): New class.
6218         (Output_section::Input_section::is_merge_section): New method
6219         defintion.
6220         (Output_section::Input_section::relobj): Move defintion out of class
6221         defintion.  Declare method only.
6222         (Output_section::Input_section::shndx): Ditto.
6223         (Output_section::Input_section::output_merge_base): New method defintion.
6224         (Output_section::Input_section::u2_.pomb): New union field.
6225         (Output_section::Merge_section_by_properties_map,
6226         Output_section::Output_section_data_by_input_section_map,
6227         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6228         Remove types.
6229         (Output_section::add_merge_input_section): Add new parameter
6230         KEEPS_INPUT_SECTIONS.
6231         (Output_section::build_lookup_maps): New method declaration.
6232         (Output_section::merge_section_map_,
6233         Output_section::merge_section_by_properties_map_,
6234         Output_section::relaxed_input_section_map_,
6235         Output_section::is_relaxed_input_section_map_valid_): Remove data
6236         members.
6237         (Output_section::lookup_maps_): New data member.
6238
6239 2010-05-21  Doug Kwan  <dougkwan@google.com>
6240
6241         PR gold/11619
6242         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6243         avoid a compilation error.
6244
6245 2010-05-19  Rafael Espindola  <espindola@google.com>
6246
6247         * script-sections.cc (Output_section_definition::allocate_to_segment):
6248         Update the phdrs_list even when the output section is NULL.
6249         * testsuite/Makefile.am: Add test.
6250         * testsuite/Makefile.in: Regenerate.
6251         * testsuite/script_test_9.cc: New.
6252         * testsuite/script_test_9.sh: New.
6253         * testsuite/script_test_9.t: New.
6254
6255 2010-05-19  Doug Kwan  <dougkwan@google.com>
6256
6257         * arm.cc (Arm_input_section::original_size): New method.
6258         (Arm_input_section::do_addralign): Add a cast.
6259         (Arm_input_section::do_output_offset): Remove static cast.
6260         (Arm_input_section::original_addralign,
6261          Arm_input_section::original_size_): Change type to uint32_t.
6262         (Arm_input_section::init): Add safe casts for section alignment
6263         and size.
6264         (Arm_input_section::set_final_data_size): Do not set address and
6265         offset of stub table.
6266         (Arm_output_section::fix_exidx_coverage): Change use of of
6267         Output_section::Simple_input_section to that of
6268         Output_section::Input_section.
6269         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6270         except for the first pass.
6271         * output.cc (Output_section::get_input_sections): Change type of
6272         input_sections to std::list<Input_section>.
6273         (Output_section::add_script_input_section): Rename from
6274         Output_section::add_simple_input_section.  Change type of SIS
6275         parameter from Simple_input_section to Input_section.
6276         * output.h (Output_section::Simple_input_section): Remove class.
6277         (Output_section::Input_section): Change class visibility to public.
6278         (Output_section::Input_section::addralign): Use stored alignments
6279         for special input sections if set.
6280         (Output_section::Input_section::set_addralign): New method.
6281         (Output_section::get_input_sections): Change parameter type from
6282         list of Simple_input_section to list of Input_section.
6283         (Output_section::add_script_input_section): Rename from
6284         Output_section::add_simple_input_section. Change first parameter's
6285         type from Simple_input_section to Input_section and remove the
6286         second and third parameters.
6287         * script-sections.cc (Input_section::Input_section_list): Change
6288         type to list of Output_section::Input_section/
6289         (Input_section_info::Input_section_info): Change parameter type of
6290         INPUT_SECTION to Output_section::Input_section.
6291         (Input_section_info::input_section): Change return type.
6292         (Input_section_info::input_section_): Change type to
6293         Output_section::Input_section.
6294         (Output_section_element_input::set_section_addresses): Adjust code
6295         to use Output_section::Input_section instead of
6296         Output_section::Simple_input_section.  Adjust code for renaming
6297         of Output_section::add_simple_input_section.
6298         (Orphan_output_section::set_section_addresses): Ditto.
6299
6300 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6301
6302         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6303         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6304
6305 2010-05-18  Rafael Espindola  <espindola@google.com>
6306
6307         * options.cc (General_options::finalize): Handle -nostdlib.
6308         * options.h (nostdlib): New option.
6309         * script.cc (script_add_search_dir): Handle -nostdlib.
6310
6311 2010-05-12  Doug Kwan  <dougkwan@google.com>
6312
6313         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6314         attributes section only if there no attributes section after merging.
6315         (Target_arm::merge_object_attributes): Move value of
6316         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6317         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6318         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6319         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6320         and arm_attr_merge_7.stdout.
6321         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6322         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6323         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6324         arm_attr_merge_7b.o): New rules.
6325         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6326         arm_attr_merge_7
6327         * testsuite/Makefile.in: Regenerate.
6328         * testsuite/arm_attr_merge.sh: New file.
6329         * testsuite/arm_attr_merge_[67][ab].s: Same.
6330
6331 2010-05-05  Nick Clifton  <nickc@redhat.com>
6332
6333         * po/es.po: Updated Spanish translation.
6334
6335 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6336
6337         * Makefile.am (install-exec-local): Properly install gold as
6338         default cross linker.
6339         * Makefile.in: Regenerated.
6340
6341 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6342             Nick Clifton  <nickc@redhat.com>
6343
6344         * configure.ac (install_as_default): Define and set to false
6345         unless --enable-gold or --enable-gold=both/gold has been
6346         specified.
6347         * configure: Regenerate.
6348
6349         * Makefile.am (install-exec-local): Install the executable as
6350         'ld.gold'.  If install_as_default is true then also install it as
6351         'ld'.
6352         * Makefile.in: Regenerated.
6353
6354 2010-04-24  Ian Lance Taylor  <iant@google.com>
6355
6356         * layout.cc (Layout::layout_reloc): In relocatable link don't
6357         combine reloc sections for grouped sections.
6358
6359 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6360
6361         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6362         sections that are not ordinary to icf.
6363         * icf.cc (get_section_contents): Handle relocation pointing to section
6364         with no object or shndx information.
6365         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6366         * testsuite/Makefile.in: Regenerate.
6367         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6368         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6369
6370 2010-04-22  Ian Lance Taylor  <iant@google.com>
6371
6372         * expression.cc (Expression::Expression_eval_info): Add
6373         result_alignment_pointer field.
6374         (Expression::eval_with_dot): Add result_alignment_pointer
6375         parameter.  Change all callers.
6376         (Expression::eval_maybe_dot): Likewise.
6377         (class Binary_expression): Add alignment_pointer parameter to
6378         left_value and right_value.  Change all callers.
6379         (BINARY_EXPRESSION): Set result alignment.
6380         (class Trinary_expression): Add alignment_pointer parameter to
6381         arg2_value and arg3_value.  Change all callers.
6382         (Trinary_cond::value): Set result alignment.
6383         (Max_expression::value, Min_expression::value): Likewise.
6384         (Align_expression::value): Likewise.
6385         * script-sections.cc (class Sections_element): Add dot_alignment
6386         parameter to set_section_addresses virtual function.  Update
6387         instantiations.
6388         (class Output_section_element): Likewise.
6389         (Script_sections::create_segments): Add dot_alignment parameter.
6390         Change all callers.
6391         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6392         (Script_sections::set_phdrs_clause_addresses): Likewise.
6393         * script-sections.h: Update declarations.
6394         * script.h: Update declarations.
6395         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6396         min_p_align.
6397         * testsuite/script_test_3.t: Set large alignment.
6398         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6399         segment has expected alignment.
6400
6401 2010-04-22  Nick Clifton  <nickc@redhat.com>
6402
6403         * po/gold.pot: Updated by the Translation project.
6404         * po/vi.po: Updated Vietnamese translation.
6405
6406 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6407
6408         * testsuite/Makefile.am (check_PROGRAMS): Add
6409         icf_virtual_function_folding_test.
6410         * testsuite/Makefile.in: Regenerated.
6411
6412 2010-04-15  Andrew Haley  <aph@redhat.com>
6413
6414         * options.h (merge_exidx_entries): New option.
6415         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6416         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6417         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6418         (Target_arm::merge_exidx_entries): New function.
6419         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6420         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6421         to Arm_exidx_fixup constructor.
6422         Add new arg, merge_exidx_entries.
6423         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6424         Arm_output_section::fix_exidx_coverage.
6425
6426 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6427
6428         * icf.cc (get_section_contents): Check for preemptible functions.
6429         Ignore addend when appropriate.
6430         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6431         section folded.
6432         (add_from_relobj): Check for section folded.
6433         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6434         * symtab.h (should_add_dynsym_entry): Add new parameter.
6435         * target-reloc.h (scan_relocs): Check for section folded.
6436         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6437         Check reloc types for function pointers in shared objects.
6438         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6439         case.
6440         (icf_preemptible_functions_test): New test case.
6441         (icf_string_merge_test): New test case.
6442         * testsuite.Makefile.in: Regenerate.
6443         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6444         bar_glob.  Refactor code.
6445         * testsuite/icf_preemptible_functions_test.cc: New file.
6446         * testsuite/icf_preemptible_functions_test.sh: New file.
6447         * testsuite/icf_string_merge_test.cc: New file.
6448         * testsuite/icf_string_merge_test.sh: New file.
6449         * testsuite/icf_virtual_function_folding_test.cc: New file.
6450         * testsuite/icf_virtual_function_folding_test.sh: New file.
6451
6452 2010-04-14  Doug Kwan  <dougkwan@google.com>
6453
6454         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6455         for local symbol recounting if we remove a section due to ICF.
6456         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6457         there are no regular objects in input.
6458
6459 2010-04-13  Doug Kwan  <dougkwan@google.com>
6460
6461         * arm.cc (Arm_input_section::set_final_data_size): Compute
6462         accurate final data size instead of using current data size.
6463
6464 2010-04-09  Doug Kwan  <dougkwan@google.com>
6465
6466         * layout.cc (Layout::choose_output_section): Handle script section
6467         types.
6468         (Layout::make_output_section_for_script): Add section type parameter.
6469         Handle script section types.
6470         * layout.h (Layout::make_output_section_for_script): Add section
6471         type parameter.
6472         * output.cc (Output_section::Output_section): Initialize data member
6473         is_noload_.
6474         (Output_section::do_reset_address_and_file_offset): Do not set address
6475         to 0 if section is a NOLOAD section.
6476         * output.h (Output_section::is_noload): New method.
6477         (Output_section::set_is_noload): Ditto.
6478         (Output_section::is_noload_): New data member.
6479         * script-c.h (Script_section_type): New enum type.
6480         (struct Parser_output_section_header): Add new file section_type.
6481         * script-sections.cc (Sections_element::output_section_name): Add
6482         parameter for returning script section type.
6483         (Output_section_definition::output_section_name): Ditto.
6484         (Output_section_definition::section_type)P; New method.
6485         (Output_section_definiton::script_section_type_name): Ditto.
6486         (Output_section_definition::script_section_type_): New data member.
6487         (Output_section_definition::Output_section_definition): Initialize
6488         data member Output_section_definition::script_section_type_.
6489         (Output_section_definition::create_sections): Pass script section type
6490         to Layout::make_output_section_for_script.
6491         (Output_section_definition::output_section_name): Return script
6492         section type to caller.
6493         (Output_section_definition::set_section_address): Do not advance
6494         dot value and load address if section type is NOLOAD.  Set address
6495         of NOLOAD sections regardless of section flags.
6496         (Output_section_definition::print): Print section type if it is
6497         not SCRIPT_SECTION_TYPE_NONE.
6498         (Output_section_definition::section_type): New method.
6499         (Output_section_definition::script_section_type_name): Ditto.
6500         (Script_sections::output_section_name): Add new parameter
6501         PSECTION_TYPE for returning script section type.  Pass it to
6502         section elements.  Handle discard sections.
6503         (Sort_output_sections::operator()): Handle NOLOAD sections.
6504         * script-sections.h (Script_sections::Section_type): New enum type.
6505         (Script_sections::output_section_name): Add a new parameter for
6506         returning script section type.
6507         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6508         INFO and NOLOAD.
6509         * yyscript.y (union): Add new field SECTION_TYPE.
6510         (COPY, DSECT, INFO, NOLOAD): New tokens.
6511         (opt_address_and_section_type): Change type to output_section_header.
6512         (section_type): New non-terminal
6513         (section_header): Handle section type.
6514         (opt_address_and_section_type): Return section type value.
6515
6516 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6517
6518         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6519         * testsuite/plugin_common_test_2.c (foo): Likewise.
6520
6521 2010-04-08  Doug Kwan  <dougkwan@google.com>
6522
6523         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6524         Output_merge_data.
6525         * output.cc (Output_section::add_merge_input_section): Simplify
6526         code and return status of Output_merge_base::add_input_section.
6527         Update merge section map only if Output_merge_base::add_input_section
6528         returns true.
6529
6530 2010-04-07  Doug Kwan  <dougkwan@google.com>
6531
6532         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6533         if section is marked as containing instructions but has no mapping
6534         symbols.
6535         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6536         correct section index.
6537         (Arm_relobj::find_linked_text_section): Ditto.
6538
6539 2010-04-07  Cary Coutant  <ccoutant@google.com>
6540
6541         * archive.cc (include_member): Destroy Read_symbols_data object before
6542         releasing file.
6543         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6544         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6545         (Read_symbols_data::~Read_symbols_data) New destructor.
6546         (Section_relocs::Section_relocs) New constructor.
6547         (Section_relocs::~Section_relocs) New destructor.
6548         (Read_relocs_data::Read_relocs_data) New constructor.
6549         (Read_relocs_data::~Read_relocs_data) New destructor.
6550         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6551         pointers to NULL after deleting.
6552
6553 2010-04-07  Doug Kwan  <dougkwan@google.com>
6554
6555         * arm.cc: Replace "endianity" with "endianness" in comments.
6556         (Arm_exidx_cantunwind): Ditto.
6557         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6558         (Arm_relobj::merge_flags_and_attributes): New method.
6559         (Arm_relobj::merge_flags_and_attributes_): New data member.
6560         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6561         (Arm_relobj::scan_sections_for_stubs): Ditto.
6562         (Arm_relobj::do_read_symbols): Check to see if we really want to
6563         merge processor-specific flags and attributes.  Exit early if
6564         an object is empty except for section names and the undefined symbol.
6565         (Target_arm::do_finalize_sections): Move check for ELF format to
6566         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6567         attributes from a regular object only when we have determined that
6568         it is aapropriate.  Do not create an .ARM.attributes section in
6569         output if there is no regular input object.
6570         (Target_arm::merge_processor_specific_flags): Check
6571         --warn-mismatch before printing any error.
6572         (Target_arm::merge_object_attributes): Ditto.
6573         * gold.cc (queue_middle_tasks): Handle the case in which there is
6574         no regular object in input.
6575         * options.cc (General_options::parse_EB): New method.
6576         (General_options::parse_EL): Same.
6577         (General_options::General_options): Initialize endianness_.
6578         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6579         New options.
6580         (General_options::Endianness): New enum.
6581         (General_options::endianness): New method.
6582         (General_options::endianness_): New data member.
6583         * parameters.cc (Parameters::set_options): Check target endianness.
6584         (Parameters::set_target_once): Ditto.
6585         (Parameters::check_target_endianness): New method.
6586         (parameters_force_valid_target): If either -EL or -EB is specified,
6587         use it to define endianness of default target.
6588         * parameters.h (Parameters::check_target_endianness): New method
6589         declaration.
6590         * target.h (class Target): Change "endianity" to "endianness"
6591         in comments.
6592
6593 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6594
6595         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6596         * configure: Regenerate.
6597         * Makefile.in: Regenerate.
6598         * testsuite/Makefile.in: Regenerate.
6599
6600 2010-04-06  Cary Coutant  <ccoutant@google.com>
6601
6602         gcc PR lto/42757
6603         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6604         prevailing definitions of common symbols.
6605         * testsuite/plugin_test_6.sh: New test case.
6606         * testsuite/plugin_common_test_1.c: New test case.
6607         * testsuite/plugin_common_test_2.c: New test case.
6608         * testsuite/Makefile.am (plugin_test_6): New test case.
6609         * testsuite/Makefile.in: Regenerate.
6610
6611 2010-04-06  Nick Clifton  <nickc@redhat.com>
6612
6613         * po/vi.po: New Vietnamese translation.
6614
6615 2010-03-30  Doug Kwan  <dougkwan@google.com>
6616
6617         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6618
6619 2010-03-25  Doug Kwan  <dougkwan@google.com>
6620
6621         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6622         to avoid a conversion warning on a 32-bit host.
6623
6624 2010-03-24  Ian Lance Taylor  <iant@google.com>
6625
6626         * testsuite/script_test_3.t: Add a TLS segment.
6627         * testsuite/Makefile.am (check_PROGRAMS): Add
6628         tls_phdrs_script_test.
6629         (tls_phdrs_script_test_SOURCES): Define.
6630         (tls_phdrs_script_test_DEPENDENCIES): Define.
6631         (tls_phdrs_script_test_LDFLAGS): Define.
6632         (tls_phdrs_script_test_LDADD): Define.
6633         * testsuite/Makefile.in: Rebuild.
6634
6635 2010-03-23  Cary Coutant  <ccoutant@google.com>
6636
6637         * fileread.cc (find_or_make_view): Fix comment.
6638
6639 2010-03-23  Ian Lance Taylor  <iant@google.com>
6640
6641         * script-sections.cc (class Orphan_section_placement): Define
6642         PLACE_TLS and PLACE_TLS_BSS.
6643         (Orphan_section_placement::Orphan_section_placement): Initialize
6644         new places.
6645         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6646         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6647         (tls_script_test_SOURCES): Define.
6648         (tls_script_test_DEPENDENCIES): Define.
6649         (tls_script_test_LDFLAGS): Define.
6650         (tls_script_test_LDADD): Define.
6651         * testsuite/Makefile.in: Rebuild.
6652
6653 2010-03-22  Doug Kwan  <dougkwan@google.com>
6654
6655         * arm.cc (Arm_relocate_functions::abs8,
6656         Arm_relocate_functions::abs16): Use correct check for overflow
6657         specified in the ARM ELF specs.
6658         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6659         target of a BLX instruction specially.
6660         (Reloc_stub::stub_type_for_reloc): Ditto.
6661         (Relocate::relocate): Use symbolic names instead of numeric relocation
6662         codes to report error.
6663         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6664         workaround.
6665         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6666         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6667         thumb2_blx_out_of_range.stdout
6668         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6669         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6670         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6671         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6672         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6673         thumb2_blx_in_range, thumb2_blx_in_range.o,
6674         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6675         thumb2_blx_out_of_range.o): New rules.
6676         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6677         thumb2_blx_in_range and thumb2_blx_out_of_range.
6678         * testsuite/Makefile.in: Regenerate.
6679         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6680         * testsuite/thumb_blx_in_range.s: New file.
6681         * testsuite/thumb_blx_out_of_range.s: New file.
6682
6683 2010-03-22  Rafael Espindola  <espindola@google.com>
6684
6685         * archive.cc (Should_include): Move to archive.h.
6686         (should_include_member): Make it a member of Archive.
6687         (Lib_group): New.
6688         (Add_lib_group_symbols): New.
6689         * archive.h: Include options.h.
6690         (Archive_member): Moved from Archive.
6691         (Should_include): Moved from archive.cc.
6692         (Lib_group): New.
6693         (Add_lib_group_symbols): New.
6694         * dynobj.cc (do_should_include_member): New.
6695         * dynobj.h (do_should_include_member): New.
6696         * gold.cc (queue_initial_tasks): Update call to queue.
6697         * main.cc (main): Print lib group stats.
6698         * object.cc (do_should_include_member): New.
6699         * object.h: Include archive.h.
6700         (Object::should_include_member): New.
6701         (Object::do_should_include_member): New.
6702         (Sized_relobj::do_should_include_member): New.
6703         * options.cc (General_options::parse_start_lib): New.
6704         (General_options::parse_end_lib): New.
6705         (Input_arguments::add_file): Handle lib groups.
6706         (Input_arguments::start_group): Check we are not in a lib.
6707         (Input_arguments::start_lib): New.
6708         (Input_arguments::end_lib): New.
6709         * options.h (General_options): Add start_lib and end_lib.
6710         (Input_argument::lib_): New.
6711         (Input_argument::lib): New.
6712         (Input_argument::is_lib): New.
6713         (Input_file_lib): New.
6714         (Input_arguments::in_lib_): New.
6715         (Input_arguments::in_lib): New.
6716         (Input_arguments::start_lib): New.
6717         (Input_arguments::end_lib_): New.
6718         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6719         in unused members as preempted.
6720         (Sized_pluginobj::do_should_include_member): New.
6721         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6722         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6723         return the blocker.
6724         (Read_symbols::do_whole_lib_group): New.
6725         (Read_symbols::do_lib_group): New.
6726         (Read_symbols::do_read_symbols): Handle lib groups.
6727         (Read_symbols::get_name): Handle lib groups.
6728         * readsyms.h (Read_symbols): Add an archive member pointer.
6729         (Read_symbols::do_whole_lib_group): New.
6730         (Read_symbols::do_lib_group): New.
6731         (Read_symbols::member_): New.
6732         * script.cc (read_input_script): Update call to queue_soon.
6733
6734 2010-03-19  Doug Kwan  <dougkwan@google.com>
6735
6736         * arm.cc (Stub_table::Stub_table): Initialize new data members
6737         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6738         (Stub_table::add_reloc_stub): Assign stub offset and update
6739         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6740         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6741         New data members.
6742         (Stub_table::update_data_size_and_addralign): Use
6743         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6744         instead of going over all reloc stubs.
6745         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6746         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6747         Stringpool_template::offset_ to size of Stringpool_char.
6748         (Stringpool_template::new_key_offset): Remove code to initialize
6749         Stringpool_template::offset_.
6750         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6751         Stringpool_template::offset_ to zero.
6752
6753 2010-03-15  Doug Kwan  <dougkwan@google.com>
6754
6755         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6756         offset_.
6757         (Stringpool_template::new_key_offset): New method.
6758         (Stringpool_template::add_string): Assign offsets when adding new
6759         strings.
6760         (Stringpool_template::set_string_offsets): Do not set string offsets
6761         when not optimizing.
6762         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6763         member size_.
6764         (Chunked_vector::clear): Clear size_.
6765         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6766         (Chunked_vector::size): Return size_.
6767         (Chunked_vector::push_back): Use size_ to find insert position.
6768         (Chunked_vector::size_): New data member.
6769         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6770         (Stringpool_template::new_key_offset): New method declaration.
6771         (Stringpool_template::offset_): New data member.
6772
6773 2010-03-15   Rafael Espindola  <espindola@google.com>
6774
6775         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6776         Add_symbols' constructor.
6777         * readsyms.h (Add_symbols): Remove the input_group member.
6778
6779 2010-03-10  Ian Lance Taylor  <iant@google.com>
6780
6781         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6782         target to ask whether a reference to a symbol requires a stack
6783         split.
6784         * target.h (Target::is_call_to_non_split): New function.
6785         (Target::do_is_call_to_non_split): Declare virtual function.
6786         * target.cc: Include "symtab.h".
6787         (Target::do_is_call_to_non_split): New function.
6788         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6789
6790 2010-03-10  Cary Coutant  <ccoutant@google.com>
6791
6792         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6793         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6794         (File_read::open[2]): Add whole_file_view_ to list of views.
6795         (File_read::make_view): Remove test of whole_file_view_.
6796         (File_read::find_or_make_view): Create whole_file_view_ if
6797         necessary.
6798         (File_read::clear_views): Replace bool parameter with enum;
6799         adjust all callers.  Don't delete views with permanent data;
6800         do delete cached views and views from archives if
6801         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6802         if clearing the corresponding view.
6803         * fileread.h (File_read::Clear_views_mode): New enum.
6804         (File_read::View::is_permanent_view): New method.
6805         (File_read::clear_views): Replace bool parameter
6806         with enum; adjust all callers.
6807         * options.h (General_options): Change keep_files_mapped option;
6808         add map_whole_files.
6809         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6810         releasing the file.
6811         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6812         the file.
6813
6814 2010-03-10  David S. Miller  <davem@davemloft.net>
6815
6816         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6817
6818 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6819
6820         * icf.cc (get_section_contents): Add '@' marker after processing the
6821         merge reloc.
6822
6823 2010-03-08  Doug Kwan  <dougkwan@google.com>
6824
6825         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6826         due to a conversion warning.
6827         (Arm_relobj::update_output_local_symbol_count): Check for local
6828         symbol with unset output index.
6829
6830 2010-03-05  Ian Lance Taylor  <iant@google.com>
6831
6832         * options.h (class General_options): Add --spare-dynamic-tags.
6833         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6834         --spare-dynamic-tags.
6835
6836 2010-03-05  Ian Lance Taylor  <iant@google.com>
6837
6838         * incremental.cc: Include "libiberty.h".
6839
6840 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6841
6842         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6843         function, is_info_ member.
6844         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6845         (Versions::Versions): Update caller.
6846         (Versions::define_base_version): Likewise.
6847         (Versions::add_def): Likewise.
6848
6849 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6850
6851         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6852         (Scan::possible_function_pointer_reloc): New function.
6853         (Scan::local_reloc_may_be_function_pointer): Change to call
6854         possible_function_pointer_reloc.
6855         (Scan::global_reloc_may_be_function_pointer): Ditto.
6856         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6857         relocations in ".data.rel.ro._ZTV" section.
6858         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6859         * testsuite/icf_safe_so_test.cc: Ditto.
6860         * testsuite/icf_safe_test.cc: Ditto.
6861         * testsuite/icf_safe_test.sh: Ditto.
6862
6863 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6864             Ian Lance Taylor  <iant@google.com>
6865
6866         * target-reloc.h (relocate_section): Check the symbol table index
6867         for -1U before setting the local symbol index.
6868         (scan_relocatable_relocs): If copying the relocation, record that
6869         the local symbol is required.
6870         * object.h (Symbol_value::is_output_symtab_index_set): New
6871         function.
6872         (Symbol_value::may_be_discarded_from_output_symtab): New
6873         function.
6874         (Symbol_value::has_output_symtab_entry): New function.
6875         (Symbol_value::needs_output_symtab_entry): Remove.
6876         (Symbol_value::output_symtab_index): Make sure the symbol index is
6877         set.
6878         (Symbol_value::set_output_symtab_index): Make sure the symbol
6879         index is not set.  Make sure the new index is valid.
6880         (Symbol_value::set_must_have_output_symtab_entry): New function.
6881         (Symbol_value::has_output_dynsym_entry): New function.
6882         (Symbol_value::set_output_dynsym_index): Make sure the new index
6883         is valid.
6884         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6885         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6886         local symbol if permitted.
6887         (Sized_relobj::do_finalize_local_symbols): Call
6888         is_output_symtab_index_set rather than needs_output_symtab_entry.
6889         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6890         rather than needs_output_symtab_entry.  Call
6891         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6892         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6893         is_output_symtab_index_set rather than needs_output_symtab_entry.
6894         * testsuite/discard_locals_relocatable_test.c: New file.
6895         * testsuite/discard_locals_test.sh: Test -r.
6896         * testsuite/Makefile.am (check_DATA): Add
6897         discard_locals_relocatable_test1.syms,
6898         discard_local_relocatable_test2.syms.
6899         (MOSTLYCLEANFILES): Likewise.  Also add
6900         discard_locals_relocatable_test1.lout and
6901         discard_locals_relocatable_test2.out.
6902         (discard_locals_relocatable_test1.syms): New target.
6903         (discard_locals_relocatable_test.o): New target.
6904         (discard_locals_relocatable_test1.out): New target.
6905         (discard_locals_relocatable_test2.syms): New target.
6906         (discard_locals_relocatable_test2.out): New target.
6907         (various): Add missing ../ld-new dependencies.
6908         * testsuite/Makefile.in: Rebuild.
6909
6910 2010-03-03  Nick Clifton  <nickc@redhat.com>
6911
6912         * po/fi.po: New Finnish translation.
6913
6914 2010-03-01  Doug Kwan  <dougkwan@google.com>
6915
6916         * layout.cc (Layout::Layout): Force section types of .init_array*,
6917         .preinit_array* and .fini_array* sections.
6918         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6919         Fix check of return value of std::string::find.().
6920         (Output_section::Input_section_sort_compare::operator()): Remove
6921         comment about .init_array.
6922         (Output_section::Input_section_sort_init_fini_compare::operator()):
6923         New method.
6924         (Output_section::sort_attached_input_sections): Handle .init_array
6925         and .fini_array specially.
6926         * output.h (Output_section::Inut_section_sort_compare): Update
6927         comment.
6928         (Output_section::Input_section_sort_init_fini_compare): New struct.
6929
6930 2010-02-26  Doug Kwan  <dougkwan@google.com>
6931
6932         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6933         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6934         * testsuite/debug_msg.sh: Avoid matching source line number for
6935         use of global variable undef_int.
6936
6937 2010-02-26  Doug Kwan  <dougkwan@google.com>
6938
6939         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6940         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6941         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6942         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6943         * options.cc (General_options::General_options): Initialize member
6944         fix_v4bx_.
6945         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6946         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6947         and rm_no_fix_v4bx.stdout
6948         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6949         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6950         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6951         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6952         and arm_no_fix_v4bx.
6953         * Makefile.in: Regenerate.
6954         * testsuite/arm_fix_v4bx.s: New file.
6955         * testsuite/arm_fix_v4bx.sh: Ditto.
6956
6957 2010-02-24  Doug Kwan  <dougkwan@google.com>
6958
6959         * arm.cc (Target_arm::got_section): Make the .got section the first
6960         non RELRO section in the data segment.
6961         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6962         suffixes of section names.
6963
6964 2010-02-24  Doug Kwan  <dougkwan@google.com>
6965
6966         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6967         flags and attributes merging if an input file is a binary file.
6968         * fileread.cc (Input_file::open): Record format of original file.
6969         * fileread.h (Input_file::Format): New enum type.
6970         (Input_file::Input_file): Initialize data member format_.
6971         (Input_file::format): New method definition.
6972         (Input_file::format_):: New data member.
6973
6974 2010-02-24  Doug Kwan  <dougkwan@google.com>
6975
6976         * arm.cc (Arm_output_data_got): New class.
6977         (ARM_TCB_SIZE): New constant
6978         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6979         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6980         If user uses a script with a SECTIONS clause, issue only a warning
6981         for a misplaced EXIDX input section.  Otherwise, issue an error.
6982         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6983         garbage collection.
6984         (Target_arm::got_mode_index_entry): Handle static linking.
6985         (Target_arm::Scan::local): Ditto.
6986         (Target_arm::Scan::global): Ditto.
6987         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6988         all incorrectly implemented relocations.
6989         (Target_arm::fix_exidx_coverage): Pass layout to
6990         Arm_output_section::fix_exidx_coverage.
6991         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6992         from ".ARM.exidx." and ".ARM.extab.".
6993
6994 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6995
6996         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6997         section if it does not already exist.
6998         * attributes.cc (Attributes_section_data::Attributes_section_data):
6999         Don't crash if size is zero.
7000
7001 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7002             Ian Lance Taylor  <iant@google.com>
7003
7004         * gold.cc (queue_middle_tasks): If no input files were opened,
7005         exit.
7006         * workqueue.h (Task_function::Task_function): Assert that there is
7007         a blocker.
7008
7009 2010-02-22  Doug Kwan  <dougkwan@google.com>
7010
7011         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7012         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7013         types to avoid warnings due to different uint64_t implementations
7014         on different hosts.
7015
7016 2010-02-21  Doug Kwan  <dougkwan@google.com>
7017
7018         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7019         handling of the maximum backward branch offset.
7020         (Arm_relocate_functions::thumb_branch_common): Ditto.
7021         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7022         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7023         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7024         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7025         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7026         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7027         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7028         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7029         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7030         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7031         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7032         thumb2_bl_out_of_range.o): New rules.
7033         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7034         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7035         thumb2_bl_out_of_range
7036         * testsuite/Makefile.in: Regenerate.
7037         * testsuite/arm_bl_in_range.s: New file.
7038         * testsuite/arm_bl_out_of_range.s: Ditto.
7039         * testsuite/arm_branch_in_range.sh: Ditto.
7040         * testsuite/arm_branch_range.t: Ditto.
7041         * testsuite/thumb2_branch_range.t: Ditto.
7042         * testsuite/thumb_bl_in_range.s: Ditto.
7043         * testsuite/thumb_bl_out_of_range.s: Ditto.
7044         * testsuite/thumb_branch_range.t: Ditto.
7045
7046 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7047
7048         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7049         Add reloc offset information.
7050         * icf.cc (get_section_contents): Change iterators to point to the new
7051         vectors. Add reloc offset information to the contents.
7052         * icf.h (Icf::Sections_reachable_info): New typedef.
7053         (Icf::Sections_reachable_list): New typedef.
7054         (Icf::Offset_info): New typedef.
7055         (Icf::Reloc_info): New struct typedef.
7056         (Icf::Reloc_info_list): New typedef.
7057         (Icf::symbol_reloc_list): Delete method.
7058         (Icf::addend_reloc_list): Delete method.
7059         (Icf::section_reloc_list): Delete method.
7060         (Icf::reloc_info_list): New method.
7061         (Icf::reloc_info_list_): New member.
7062
7063 2010-02-19  Doug Kwan  <dougkwan@google.com>
7064
7065         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7066         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7067         * arm.cc (Arm_relocation_functions): New forward declaration.
7068         (Target_arm::Target_arm): Initialize new data members
7069         got_mod_index_offset_ and tls_base_symbol_defined_.
7070         (Target_arm::Relocate::relocate_tls): New method.
7071         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7072          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7073         New methods.
7074         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7075         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7076         (Target_arm::got_mod_index_offset_,
7077         Target_arm::tls_base_symbol_defined_): New data members.
7078         (Target_arm::Scan::local, Target::Scan::global,
7079         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7080         relocations.
7081
7082 2010-02-18  Doug Kwan  <dougkwan@google.com>
7083
7084         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7085         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7086         text section as a parameter becuase some broken tools may not set
7087         the link in section header.
7088         (Target_arm::has_got_section): New method.
7089         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7090         without any mapping symbol as data only.  Remove warning.
7091         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7092         link in its section header, try to discover the link by inspecting the
7093         REL31 relocation at the beginning of the section.
7094         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7095         in error message.
7096         (Target_arm::Scan::global): Treat any reference to the symbol
7097         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7098
7099 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7100
7101         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7102         (Scan::global_reloc_may_be_function_pointer): New function.
7103         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7104         (Scan::global_reloc_may_be_function_pointer): New function.
7105         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7106         (Scan::global_reloc_may_be_function_pointer): New function.
7107         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7108         (Scan::global_reloc_may_be_function_pointer): New function.
7109         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7110         (Scan::global_reloc_may_be_function_pointer): New function.
7111         (Scan::possible_function_pointer_reloc): New function.
7112         (Target_x86_64::can_check_for_function_pointers): New function.
7113         * gc.h (gc_process_relocs): Scan relocation types to determine if
7114         function pointers were taken for targets that support it.
7115         * icf.cc (Icf::find_identical_sections): Include functions for
7116         folding in safe ICF whose pointer is not taken.
7117         * icf.h (Secn_fptr_taken_set): New typedef.
7118         (fptr_section_id_): New member.
7119         (section_has_function_pointers): New function.
7120         (set_section_has_function_pointers): New function.
7121         (check_section_for_function_pointers): New function.
7122         * options.h: Fix comment for safe ICF option.
7123         * target.h (can_check_for_function_pointers): New function.
7124         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7125         Modify icf_safe_test for X86-64.
7126         * testsuite/Makefile.in: Regenerate.
7127         * testsuite/icf_safe_so_test.cc: New file.
7128         * testsuite/icf_safe_so_test.sh: New file.
7129         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7130         (main): Change to take pointer to function kept_func_3.
7131         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7132         folding is done correctly for X86-64.
7133
7134 2010-02-12  David S. Miller  <davem@davemloft.net>
7135
7136         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7137         is_symbolless parameter.
7138         (Output_reloc<SHT_REL>::is_symbolless): New.
7139         (Output_reloc<SHT_REL>::is_symbolless_): New.
7140         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7141         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7142         (Output_reloc<SHT_RELA>::is_symbolless): New.
7143         (Output_data_reloc::add_global): Handle is_symbolless.
7144         (Output_data_reloc::add_global_relative): Likewise.
7145         (Output_data_reloc::add_local): Likewise.
7146         (Output_data_reloc::add_local_relative): Likewise.
7147         (Output_data_reloc::add_symbolless_global_addend): New.
7148         (Output_data_reloc::add_symbolless_local_addend): New.
7149         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7150         is_symbolless.
7151         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7152         instead of ->is_relative_
7153         (Output_reloc::write): Likewise.
7154         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7155         (Output_reloc::write_rel): Simplify.
7156
7157         * sparc.cc (Target_sparc::Scan::local): Use
7158         ->add_symbolless_local_addend as needed.
7159         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7160         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7161         based upon relocation offset.
7162
7163 2010-02-11  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7166         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7167         beginning of function.
7168         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7169         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7170         parameter is_32bit in calls to should_apply_static_reloc.
7171         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7172         (check_DATA): Add arm_abs_global.stdout.
7173         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7174         arm_abs_global.stdout): New rules.
7175         (MOSTLLYCLEANFILES): Add arm_abs_global
7176         * Makefile.in: Regenerate.
7177         * testsuite/arm_abs_global.s: New file.
7178         * testsuite/arm_abs_global.sh: Ditto.
7179         * testsuite/arm_abs_lib.s: Ditto.
7180
7181 2010-02-11  Ian Lance Taylor  <iant@google.com>
7182
7183         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7184         Read_relocs task.
7185         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7186         Allocate_commons_task first.
7187         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7188         task, rather than symtab_lock_.
7189         (Gc_process_relocs::~Gc_process_relocs): New function.
7190         (Gc_process_relocs::is_runnable): Check this_blocker_.
7191         (Gc_process_relocs::locks): Use next_blocker_ rather than
7192         blocker_.
7193         (Scan_relocs::~Scan_relocs): New function.
7194         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7195         symtab_lock_.
7196         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7197         next_blocker_.
7198         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7199         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7200         constructor accordingly.
7201         (class Gc_process_relocs): Likewise.
7202         (class Scan_relocs): Likewise.
7203         * common.h (class Allocate_commons_task): Remove symtab_lock_
7204         field, and corresponding constructor parameter.
7205         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7206         symtab_lock_.
7207         (Allocate_commons_task::locks): Likewise.
7208
7209 2010-02-11  Ian Lance Taylor  <iant@google.com>
7210
7211         * gold-threads.h (class Once): Define.
7212         (class Initialize_lock): Rewrite as child of Once.
7213         * gold-threads.cc (class Once_initialize): Define.
7214         (once_pointer_control): New static variable.
7215         (once_pointer, once_arg): New static variables.
7216         (c_run_once): New static function.
7217         (Once::Once, Once::run_once, Once::internal_run): New functions.
7218         (class Initialize_lock_once): Remove.
7219         (initialize_lock_control): Remove.
7220         (initialize_lock_pointer): Remove.
7221         (initialize_lock_once): Remove.
7222         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7223         (Initialize_lock::initialize): Rewrite.
7224         (Initialize_lock::do_run_once): New function.
7225         * archive.cc (Archive::interpret_header): Only clear name if it is
7226         not already empty.
7227         * fileread.cc: Include "gold-threads.h"
7228         (file_counts_lock): New static variable.
7229         (file_counts_initialize_lock): Likewise.
7230         (File_read::release): Only increment counts when using --stats.
7231         Use a lock around the increment.
7232         * parameters.cc (class Set_parameters_target_once): Define.
7233         (set_parameters_target_once): New static variable.
7234         (Parameters::Parameters): Move here from parameters.h.
7235         (Parameters::set_target): Rewrite.
7236         (Parameters::set_target_once): New function.
7237         (Parameters::clear_target): Move here and rewrite.
7238         * parameters.h (class Parameters): Update declarations.  Add
7239         set_parameters_target_once_ field.
7240         (Parameters::Parameters): Move to parameters.cc.
7241         (Parameters::clear_target): Likewise.
7242         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7243         task.
7244         (Start_group::~Start_group): New function.
7245         (Start_group::is_runnable): New function.
7246         (Start_group::locks, Start_group::run): New functions.
7247         (Finish_group::run): Change saw_undefined to size_t.
7248         * readsyms.h (class Start_group): Define.
7249         (class Finish_group): Change saw_undefined_ field to size_t.
7250         (Finish_group::Finish_group): Remove saw_undefined and
7251         this_blocker parameters.  Change all callers.
7252         (Finish_group::set_saw_undefined): New function.
7253         (Finish_group::set_blocker): New function.
7254         * symtab.h (class Symbol_table): Change saw_undefined to return
7255         size_t.  Change saw_undefined_ field to size_t.
7256         * target-select.cc (Set_target_once::do_run_once): New function.
7257         (Target_selector::Target_selector): Initialize set_target_once_
7258         field.  Don't initialize lock_ and initialize_lock_ fields.
7259         (Target_selector::instantiate_target): Rewrite.
7260         (Target_selector::set_target): New function.
7261         * target-select.h (class Set_target_once): Define.
7262         (class Target_selector): Update declarations.  Make
7263         Set_target_once a friend.  Remove lock_ and initialize_lock_
7264         fields.  Add set_target_once_ field.
7265
7266 2010-02-10  Ian Lance Taylor  <iant@google.com>
7267
7268         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7269         queueing any tasks.
7270         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7271         (queue_middle_tasks): Add all blockers before queueing any tasks.
7272         (queue_final_tasks): Likewise.
7273         * token.h (Task_token::add_blockers): New function.
7274         * object.h (Input_objects::number_of_relobjs): New function.
7275
7276 2010-02-10  Ian Lance Taylor  <iant@google.com>
7277
7278         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7279         shared, not if not position independent.
7280         * x86_64.cc (Relocate::relocate_tls): Likewise.
7281         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7282         (tls_pie_pic_test): New target.
7283         * testsuite/Makefile.in: Rebuild.
7284
7285         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7286         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7287         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7288         * testsuite/Makefile.in: Rebuild.
7289
7290 2010-02-09  David S. Miller  <davem@davemloft.net>
7291
7292         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7293         R_SPARC_RELATIVE using ->add_local_relative().
7294         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7295
7296         * output.h (Output_data_dynamic::add_section_size): New method
7297         that takes two Output_data objects.
7298         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7299         entry param.  Handle it in initializers.
7300         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7301         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7302         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7303         arg.
7304         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7305         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7306         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7307         for dynrel_includes_plt.
7308         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7309         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7310         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7311         before .rela.plt
7312         (Target_sparc::do_finalize_sections): Update to pass true for
7313         dynrel_includes_plt.
7314         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7315         output before .rela.plt
7316         (Target_powerpc::do_finalize_sections): Update to pass true for
7317         dynrel_includes_plt when 32-bit.
7318
7319 2010-02-08  Doug Kwan  <dougkwan@google.com>
7320
7321         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7322         method.
7323         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7324         Arm_relobj::scan_section_for_cortex_a8_stubs,
7325         Arm_relobj::do_relocation_section): Instead of calling
7326         Output_section::output_address, use faster
7327         Arm_relobj::simple_input_section_output_address.
7328
7329 2010-02-08  David S. Miller  <davem@davemloft.net>
7330
7331         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7332         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7333         relocation helper function.
7334
7335         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7336         just like R_SPARC_GOT{10,13,22}.
7337         (Target_sparc::Scan::local): Likewise.
7338         (Target_sparc::Relocate:relocate): Likewise.
7339
7340 2010-02-06  Ian Lance Taylor  <iant@google.com>
7341
7342         * configure.ac: Rewrite targetobjs duplicate removal code to use
7343         only shell constructs.
7344         * configure: Rebuild.
7345
7346 2010-02-05  Doug Kwan  <dougkwan@google.com>
7347
7348         PR 11247
7349         * arm.cc (Arm_relobj::section_is_scannable): New method.
7350         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7351         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7352
7353 2010-02-04  Doug Kwan  <dougkwan@google.com>
7354
7355         PR 11247
7356         * arm-reloc-property.cc (cstdio): Include.
7357         * configure.ac (targetobjs): Remove duplicates.
7358         * configure: Regenerate.
7359         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7360         big and little endian version for a given address size.
7361
7362 2010-02-03  Doug Kwan  <dougkwan@google.com>
7363
7364         * arm-reloc-property.cc
7365         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7366         definition.
7367         * arm-reloc-property.h
7368         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7369         New method definition.
7370         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7371         declaration.
7372         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7373         overflow to N.
7374         (GOT_PREL): Change implemented to Y.
7375         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7376         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7377         (Arm_relocate_functions::movw_abs_nc): Remove method.
7378         (Arm_relocate_functions::movt_abs): Ditto.
7379         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7380         (Arm_relocate_functions::thm_movt_abs): Ditto.
7381         (Arm_relocate_functions::movw_rel_nc): Ditto.
7382         (Arm_relocate_functions::movw_rel): Ditto.
7383         (Arm_relocate_functions::movt_rel): Ditto.
7384         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7385         (Arm_relocate_functions:thm_movw_rel): Ditto.
7386         (Arm_relocate_functions:thm_movt_rel): Ditto.
7387         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7388         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7389         New method definitions.
7390         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7391         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7392         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7393         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7394         (Target_arm::Relocate::relocate): Check for non-static or
7395         unimplemented relocation code and exit early.  Change calls to
7396         Target_arm::reloc_uses_thumb_bit and
7397         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7398         instead.  Refactor code to handle similar relocations to increase
7399         code sharing.  Remove check for unsupported relocation code in switch
7400         statement.
7401         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7402         relocation property table to find out size.  Change error message to
7403         print out the name of a relocation code instead of the numeric value.
7404         (Target_arm::scan_reloc_for_stub): Use relocation property table
7405         instead of calling Target_arm::reloc_uses_thumb_bit().
7406
7407 2010-02-02  Doug Kwan  <dougkwan@google.com>
7408
7409         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7410         types of relaxed input section.
7411
7412 2010-02-02  Doug Kwan  <dougkwan@google.com>
7413
7414         * Makefile.am (HFILES): Add arm-reloc-property.h.
7415         (DEFFILES): New.
7416         (TARGETSOURCES): Add arm-reloc-property.cc
7417         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7418         (libgold_a_SOURCES): $(DEFFILES)
7419         * Makefile.in: Regenerate.
7420         * arm-reloc-property.cc: New file.
7421         * arm-reloc-property.h: New file.
7422         * arm-reloc.def: New file.
7423         * arm.cc: Update comments.
7424         (arm-reloc-property.h): New included header.
7425         (arm_reloc_property_table): New global variable.
7426         (Target_arm::do_select_as_default_target): New method definition.
7427         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7428         arm-reloc-property to targ_extra_obj.
7429         * parameters.cc (set_parameters_target): Call
7430         Target::select_as_default_target().
7431         * target.h (Target::select_as_default_target): New method definition.
7432         (Target::do_select_as_default_target): Same.
7433
7434 2010-02-01  Doug Kwan  <dougkwan@google.com>
7435
7436         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7437         first_output_text_section_.
7438         (Arm_exidx_fixup::first_output_text_section): New method definition.
7439         (Arm_exidx_fixup::first_output_text_section_): New data member.
7440         (Arm_exidx_fixup::process_exidx_section): Record the first text
7441         output section seen.
7442         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7443         and entsize in output section header.
7444
7445 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7446
7447         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7448         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7449         (Arm_relocate_functions::thm_alu11): New Method.
7450         (Arm_relocate_functions::thm_pc8): New Method.
7451         (Arm_relocate_functions::thm_pc12): New Method.
7452         (Target_arm::Scan::local): Handle the relocations.
7453         (Target_arm::Scan::global): Likewise.
7454         (Target_arm::Relocate::relocate): Likewise.
7455         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7456
7457 2010-01-29  Doug Kwan  <dougkwan@google.com>
7458
7459         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7460         of relocation types as ld.
7461
7462 2010-01-29  Doug Kwan  <dougkwan@google.com>
7463
7464         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7465         to public.
7466         (Arm_relocate_functions::thumb_branch_common): Ditto.
7467         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7468         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7469         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7470         Arm_relocate_functions::jump24): Remove.
7471         (Target_arm::Relocate::relocate): Adjust code to call
7472         Arm_relocation_functions::arm_branch_common and
7473         Arm_relocation_functions::thumb_branch_common instead of their removed
7474         wrappers.  Merge switch-cases together to reduce source code size.
7475
7476 2010-01-29  Doug Kwan  <dougkwan@google.com>
7477
7478         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7479         output_local_symbol_count_needs_update_.
7480         (Arm_relobj::output_local_symbol_count_needs_update,
7481          Arm_relobj::set_output_local_symbol_count_needs_update,
7482          Arm_relobj::update_output_local_symbol_count): New methods.
7483         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7484         member.
7485         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7486         of pointed function as in a R_ARM_PREL31 relocation.
7487         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7488         for output local symbol count updating.
7489         (Target_arm::do_relax): Update output local symbol counts in objects
7490         if necessary.
7491         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7492
7493 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7494
7495         * arm.cc: Added support for the ARM relocations:
7496         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7497         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7498         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7499         movw_prel_nc).
7500         (Arm_relocate_functions::movw_rel): New method.
7501         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7502         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7503         thm_movw_prel_nc).
7504         (Arm_relocate_functions::thm_movw_rel): New method.
7505         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7506         thm_movt_prel).
7507         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7508         relocations.
7509         (Target_arm::Scan::global): Likewise.
7510         (Target_arm::Relocate::relocate): Likewise.
7511         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7512         Likewise.
7513
7514 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7515
7516         * arm.cc: Added support for ARM group relocations.
7517         (Target_arm::reloc_needs_sym_origin): New method.
7518         (Arm_relocate_functions::calc_grp_kn): New method.
7519         (Arm_relocate_functions::calc_grp_residual): New method.
7520         (Arm_relocate_functions::calc_grp_gn): New method.
7521         (Arm_relocate_functions::arm_grp_alu): New Method.
7522         (Arm_relocate_functions::arm_grp_ldr): New Method.
7523         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7524         (Arm_relocate_functions::arm_grp_ldc): New Method.
7525         (Target_arm::Scan::local): Handle the ARM group relocations.
7526         (Target_arm::Scan::global): Likewise.
7527         (Target_arm::Relocate::relocate): Likewise.
7528         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7529         Likewise.
7530
7531 2010-01-26  Doug Kwan  <dougkwan@google.com>
7532
7533         * arm.cc (set): Include.
7534         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7535         pointer type.
7536         (Arm_output_section::Text_section_list): New type.
7537         (Arm_output_section::append_text_sections_to_list): New method.
7538         (Arm_output_section::fix_exidx_coverage): Ditto.
7539         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7540         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7541         Relobj::set_section_offset() instead of
7542         Sized_relobj::invalidate_section_offset().
7543         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7544         parameter for section headers. Ignore relocation sections for
7545         unallocated sections and EXIDX sections.
7546         (Target_arm::fix_exidx_coverage): New method.
7547         (Target_arm::output_section_address_less_than): New type.
7548         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7549         linked text section instead of the EXIDX section.
7550         (Arm_output_section::create_stub_group): Add an assertion to check
7551         that this is not an EXIDX output section.
7552         (Arm_output_section::append_text_sections_to_list): New method.
7553         (Arm_output_section::fix_exidx_coverage): Ditto.
7554         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7555         Arm_relobj::section_needs_reloc_stub_scanning.
7556         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7557         first pass.
7558         (Target_arm::fix_exidx_coverage): New method.
7559         * object.h (Relobj::set_output_section): New method.
7560         (Sized_relobj::invalidate_section_offset): Remove method.
7561         (Sized_relobj::do_invalidate_section_offset): Remove method.
7562         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7563
7564 2010-01-25  Doug Kwan  <dougkwan@google.com>
7565
7566         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7567         Fix warning due to signed and unsigned comparison on a 32-bit host.
7568
7569 2010-01-22  Doug Kwan  <dougkwan@google.com>
7570
7571         * arm.cc (Target_arm::do_relax): Record an output section for section
7572         offset adjustment it contains any stub table that has changed.
7573         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7574         offsets in an output section if necessary.
7575         * output.cc (Output_section::Output_section): Initialize
7576         section_offsets_need_adjustments_.
7577         (Output_section::add_input_section_for_script): Renamed to
7578         Output_section::add_simple_input_section.
7579         (Output_section::save_states): Add a comment.
7580         (Output_section::discard_states): New method defintion.
7581         (Output_section::adjust_section_offsets): Same.
7582         * output.h (Output_section::add_input_section_for_script): Renamed to
7583         Output_section::add_simple_input_section.
7584         (Output_section::discard_states): New method declaration.
7585         (Output_section::adjust_section_offsets): Same.
7586         (Output_section::section_offsets_need_adjustment,
7587         Output_section::set_section_offsets_need_adjustment): New method
7588         definitions.
7589         (Output_section::section_offsets_need_adjustment_): New data member.
7590         * script-sections.cc
7591         (Output_section_element_input::set_section_address): Adjust code for
7592         renaming of Output_section::add_input_section_for_script.
7593         (Orphan_output_section::set_section_address): Same.
7594
7595 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7596
7597         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7598         Fix_v4bx enum values .
7599         * gold/options.h (General_options): New option definitions.
7600         (General_options::fix_v4bx): New method.
7601         (General_options::Fix_v4bx): New enum.
7602         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7603         (General_options::parse_fix_v4bx_interworking): New method.
7604
7605 2010-01-22  Doug Kwan  <dougkwan@google.com>
7606
7607         * arm.cc (Arm_exidx_fixup): New class.
7608
7609 2010-01-21  Doug Kwan  <dougkwan@google.com>
7610
7611         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7612         classes.
7613         (Arm_exidx_section_offset_map): New type.
7614
7615 2010-01-21  Doug Kwan  <dougkwan@google.com>
7616
7617         * arm.cc (Arm_exidx_input_section): New class.
7618         (Arm_relobj::exidx_input_section_by_link,
7619         Arm_relobj::exidx_input_section_by_shndx,
7620         Arm_relobj::make_exidx_input_section): New methods.
7621         (read_arm_attributes_section): Remove.
7622         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7623         information about them.
7624         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7625         to here.
7626
7627 2010-01-20  Doug Kwan  <dougkwan@google.com>
7628
7629         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7630         Input_section_specifier to Section_id.
7631         (Target_arm::new_arm_input_section: Adjust code for change of key
7632         type.
7633         (Target_arm::find_arm_input_section): Ditto.
7634         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7635         (Section_id): Remove.
7636         (Garbage_collection::Section_id_hash): Remove.
7637         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7638         (Section_id): Remove.
7639         (Icf::Section_id_hash): Remove.
7640         * object.h (Section_id, Const_section_id, Section_id_hash,
7641         Const_section_id_hash): New type definitions.
7642         * output.cc (Output_section::add_relaxed_input_section): Change to
7643         use Const_section_id instead of Input_section_specifier as key type.
7644         (Output_section::add_merge_input_section): Ditto.
7645         (Output_section::build_relaxation_map): Change to use Section_id
7646         instead of Input_section_specifier as key type.
7647         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7648         Ditto.
7649         (Output_section::convert_input_sections_to_relaxed_sections): Change
7650         to use Const_section_id instead of Input_section_specifier as key type.
7651         (Output_section::find_merge_section): Ditto.
7652         (Output_section::find_relaxed_input_section): Ditto.
7653         * output.h (Input_section_specifier): Remove class.
7654         (Output_section::Output_section_data_by_input_section_map): Change
7655         key type to Const_section_id.
7656         (Output_section::Output_relaxed_input_section_by_input_section_map):
7657         Ditto.
7658         (Output_section::Relaxation_map): Change key type to Section_id.
7659
7660 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7661
7662         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7663         (class Arm_v4bx_stub): New class.
7664         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7665         (Stub_factory::make_arm_v4bx_stub): New method.
7666         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7667         (Stub_table::empty): Handle v4bx stubs.
7668         (Stub_table::add_arm_v4bx_stub): New method.
7669         (Stub_table::find_arm_v4bx_stub): New method.
7670         (Arm_relocate_functions::v4bx): New method.
7671         (Target_arm::fix_v4bx): New method.
7672         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7673         (Stub_table::relocate_stubs): Likewise.
7674         (Stub_table::do_write): Likewise.
7675         (Stub_table::update_data_size_and_addralign): Likewise.
7676         (Stub_table::finalize_stubs):  Likewise.
7677         (Target_arm::Scan::local): Likewise.
7678         (Target_arm::Scan::global): Likewise.
7679         (Target_arm::do_finalize_sections): Likewise.
7680         (Target_arm::Relocate::relocate): Likewise.
7681         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7682         Likewise.
7683         (Target_arm::scan_reloc_for_stub): Likewise.
7684         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7685
7686 2010-01-19  Ian Lance Taylor  <iant@google.com>
7687
7688         * output.cc (Output_section_headers::do_sized_write): Write large
7689         segment count to sh_info field.
7690         (Output_file_header::do_sized_write): For large segment count,
7691         write PN_XNUM to e_phnum field.
7692
7693 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7694
7695         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7696         (Arm_relocate_functions::thm_jump8): New function.
7697         (Arm_relocate_functions::thm_jump11): New function.
7698         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7699         R_ARM_THM_JUMP11.
7700         (Target_arm::Scan::global): Likewise.
7701         (Target_arm::Relocate::relocate): Likewise.
7702         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7703         Likewise.
7704
7705 2010-01-14  Doug Kwan  <dougkwan@google.com>
7706
7707         * arm.cc (map, utility): Include headers.
7708         (Target_arm::apply_cortex_a8_workaround): New method.
7709         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7710         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7711         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7712         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7713         the --[no-]fix-cortex-a8 command line options.
7714         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7715         (Target_arm::relocate_stub): Use addend in instruction template.
7716         * options.h (DEFINE_bool): Set the user-set flag.
7717         (General_options): Add --[no-]-fix-cortex options.
7718         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7719         : Update fast look-up map after conversion.
7720
7721 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7722
7723         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7724         in the first pass of do_layout.
7725
7726 2010-01-13  Doug Kwan  <dougkwan@google.com>
7727
7728         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7729         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7730         apparent compiler problem of not folding static constant integral
7731         data members of elfcpp::Elf_sizes<32>.
7732
7733 2010-01-13  Doug Kwan  <dougkwan@google.com>
7734
7735         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7736         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7737         Arm_relobj::scan_section_for_cortex_a8_erratum,
7738         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7739         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7740         sections to scan for relocation stubs into a new method
7741         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7742         relocation and Cortex-A8 stub scanning.
7743         (Target_arm::do_relax): Force stubs to be after stubbed sections
7744         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7745         the beginning of a new relaxation pass.  Update a comment.
7746         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7747
7748 2010-01-12  Ian Lance Taylor  <iant@google.com>
7749
7750         * target-reloc.h (visibility_error): New inline function.
7751         (relocate_section): Call visibility_error.
7752         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7753         (MOSTLYCLEANFILES): Likewise.
7754         (protected_4_pic.o, protected_3.err): New targets.
7755         * testsuite/protected_4.cc: New file.
7756
7757 2010-01-12  Doug Kwan  <dougkwan@google.com>
7758
7759         * arm.cc (Cortex_a8_reloc): New class.
7760         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7761         and cortex_a8_relocs_info_.
7762         (Target_arm::fix_cortex_a8): New method definition.
7763         (Target_arm::Cortex_a8_relocs_info): New type.
7764         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7765         New data member declarations.
7766         (Target_arm::scan_reloc_for_stub): Record information about
7767         relocations for THUMB branches that might be exempted from the
7768         Cortex-A8 workaround.
7769         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7770         at the beginning of a relaxation pass.
7771
7772 2010-01-12  Doug Kwan  <dougkwan@google.com>
7773
7774         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7775         (Arm_relobj::Mapping_symbol_position,
7776          Arm_reloj::Mapping_symbol_position_less,
7777          Arm_relobj::Mapping_symbols_info): New types.
7778         (Target_arm::is_mapping_symbol_name): New method definition.
7779         (Arm_relobj::do_count_local_symbols): Save information about mapping
7780         symbols.
7781
7782 2010-01-11  Doug Kwan  <dougkwan@google.com>
7783
7784         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7785         Arm_relocate_functions::thumb32_branch_upper,
7786         Arm_relocate_functions::thumb32_branch_lower,
7787         Arm_relocate_functions::thumb32_cond_branch_offset,
7788         Arm_relocate_functions::thumb32_cond_branch_upper,
7789         Arm_relocate_functions::thumb32_cond_branch_lower,
7790         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7791         branch offset encoding.
7792         (Arm_relocate_functions::thumb_branch_common): Use new branch
7793         offset encoding methods to avoid code duplication.
7794         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7795         (Stub_addend_reader::operator()): Use new branch encoding method
7796         to avoid code duplication.
7797
7798 2010-01-11  Doug Kwan  <dougkwan@google.com>
7799
7800         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7801         (Target_arm::do_finalize_sections): Define special EXIDX section
7802         symbols only if referenced.
7803         * gc.h (Garbage_collection::add_reference): New method.
7804         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7805         code duplication.
7806
7807 2010-01-11  Ian Lance Taylor  <iant@google.com>
7808
7809         * script.cc (Version_script_info::build_expression_list_lookup):
7810         Change complaing about duplicate wildcard match from error to
7811         warning.
7812
7813         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7814         of 2009-12-30.
7815         (Version_script_info::Version_script_info): Initialize globs_,
7816         default_version_, default_is_global_, and exact_.  Don't
7817         initialize globals_ or locals_.
7818         (Version_script_info::build_lookup_tables): Build local symbols
7819         first.
7820         (Version_script_info::unquote): New function.
7821         (Version_script_info::add_exact_match): New function.
7822         (Version_script_info::build_expression_list_lookup): Remove lookup
7823         parameter.  Add is_global parameter.  Change all callers.  Handle
7824         wildcard pattern specially.  Unquote pattern.  Call
7825         add_exact_match.
7826         (Version_script_info::get_name_to_match): New function.
7827         (Version_script_info::get_symbol_version): New function.
7828         (Version_script_info::get_symbol_version_helper): Remove.
7829         (Version_script_info::check_unmatched_names): Call unquote.
7830         * script.h (class Version_script_info): Change get_symbol_version
7831         to be non-inline and add is_global parameter; change all callers.
7832         Rewrite symbol_is_local.  Update declarations.  Define struct
7833         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7834         Remove globals_ and locals_ members.  Add exact_, globs_,
7835         default_version_, is_global_.
7836         (Version_script_info::Glob): Remove pattern, add expression and
7837         is_global.  Update constructor.  Change all callers.
7838         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7839         default version.
7840         (Versions::symbol_section_contents): If a symbol is undefined, or
7841         defined in a dynamic object, set the version index to
7842         VER_NDX_LOCAL.
7843         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7844         symbol_is_local.
7845         (Symbol_table::add_from_pluginobj): Likewise.
7846         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7847
7848 2010-01-11  Doug Kwan  <dougkwan@google.com>
7849
7850         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7851         (incremental_dump_LDADD): Add linking option for libintl.
7852         * Makefile.in: Regenerate.
7853
7854 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7855
7856         PR gold/11144
7857         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7858         instead of -Ds.
7859         * testsuite/Makefile.in: Regenerated.
7860
7861 2010-01-10  Doug Kwan  <dougkwan@google.com>
7862
7863         * options.h (DEFINE_var): Use parentheses around argument varname__
7864         in macro body to avoid any unintended subsequent substitutions.
7865
7866 2010-01-10  Ian Lance Taylor  <iant@google.com>
7867
7868         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7869         candidates before doing symbol resolution.
7870
7871         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7872         ODR candidates if only one is weak.
7873
7874 2010-01-08  Ian Lance Taylor  <iant@google.com>
7875
7876         * script.cc (Version_script_info::build_expression_list_lookup):
7877         Don't warn about ambiguous version, just record the ambiguity.
7878         (Version_script_info::get_symbol_version_helper): Give error if
7879         version is ambiguous.
7880
7881 2010-01-08  Doug Kwan  <dougkwan@google.com>
7882
7883         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7884         prev_data_size_ and prev_addralign_.  Remove initializer for
7885         deleted data member has_been_changed_.
7886         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7887         to determine if the table is empty.
7888         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7889         Remove.
7890         (Stub_table::add_reloc_stub): Define method in class definition
7891         instead of just declaring it there.
7892         (Stub_table::add_cortex_a8_stub): New method definition.
7893         (Stub_table::update_data_size_and_addralign): Ditto.
7894         (Stub_table::finalize_stubs): Ditto.
7895         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7896         (Stub_table::do_addralign_): Return address alignment in the
7897         (Stub_table::do_reset_address_and_file_offset): Define method in
7898         class definition instead of declaring it there.  Set current data
7899         size to be the data size of the previous pass.
7900         (Stub_table::set_final_data_size): Use current data size as the
7901         final data size.
7902         (Stub_table::relocate_stub): Change parameter type of stub from
7903         Reloc_stub pointer to Stub pointer.
7904         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7905         (Stub_table::Cortex_a8_stub_list): New typedef.
7906         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7907          Stub_table::prev_addralign_): New data member.
7908         (Arm_relobj::Arm_relobj): Initialize data member
7909         section_has_cortex_a8_workaround_.
7910         (Arm_relobj::section_has_cortex_a8_workaround,
7911          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7912          definitions.
7913         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7914         declarations.
7915         (Target_arm::relocate_stub): Change parameter type of stub from
7916         Reloc_stub pointer to Stub pointer.
7917         (Insn_template::size, Insn_template::alignment): Handle
7918         THUMB16_SPECIAL_TYPE.
7919         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7920          Stub_table::update_data_size_and_addralign,
7921          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7922         definitions.
7923         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7924         (Stub_table::do_write): Ditto.
7925         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7926
7927 2010-01-08  Ian Lance Taylor  <iant@google.com>
7928
7929         PR 11108
7930         * symtab.h (class Symbol): Remove fields is_target_special_ and
7931         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7932         (Symbol::is_defined_in_discarded_section): New function.
7933         (Symbol::set_is_defined_in_discarded_section): New function.
7934         (Symbol::has_plt_offset): Rewrite.
7935         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7936         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7937         Don't initialize is_target_special_ or has_plt_offset_.
7938         Initialize is_defined_in_discarded_section_.
7939         (Symbol_table::add_from_relobj): If appropriate, set
7940         is_defined_in_discarded_section.
7941         * resolve.cc (Symbol::override_base_with_special): Don't test
7942         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7943         * target-reloc.h (relocate_section): Do special handling for
7944         symbols defined in discarded sections for global symbols as well
7945         as local symbols.
7946
7947 2010-01-08  Ian Lance Taylor  <iant@google.com>
7948
7949         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7950         the SHT_SYMTAB case.
7951
7952 2010-01-08  Ian Lance Taylor  <iant@google.com>
7953
7954         * object.cc (Sized_relobj::do_layout): Don't get confused if
7955         layout_eh_frame returns NULL.
7956
7957 2010-01-08  Ian Lance Taylor  <iant@google.com>
7958
7959         PR 11084
7960         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7961         dynamic symbol table, use the normal symbol table.
7962         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7963         symbol table.
7964
7965 2010-01-08  Ian Lance Taylor  <iant@google.com>
7966
7967         PR 11072
7968         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7969         sections.
7970
7971 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7972
7973         * version.cc (print_version): Change to "Copyright 2010".
7974
7975 2010-01-08  Ian Lance Taylor  <iant@google.com>
7976
7977         PR 10287
7978         PR 11063
7979         * i386.cc (class Target_i386): Change return type of plt_section
7980         to be non-const.
7981         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7982         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7983         tls_desc_rel_ field.
7984         (Output_data_plt_i386::rel_tls_desc): New function.
7985         (Target_i386::rel_tls_desc_section): New function.
7986         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7987         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7988         R_386_TLS_DESC reloc in rel_tls_desc_section.
7989         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7990         Define struct Tlsdesc_info.
7991         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7992         (Target_x86_64::do_reloc_symbol_index): New function.
7993         (Target_x86_64::add_tlsdesc_info): New function.
7994         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7995         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7996         tlsdesc_rel_ field.
7997         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7998         all callers.
7999         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8000         (Target_x86_64::rela_tlsdesc_section): New function.
8001         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8002         handling.
8003         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8004         (Target_x86_64::do_reloc_addend): New function.
8005         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8006         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8007         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8008         (Output_reloc::type): New function.
8009         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8010         (Output_reloc::is_target_specific): New function.
8011         (Output_reloc::target_arg): New function.
8012         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8013         absolute relocs and target specific relocs.
8014         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8015         add_target_specific.
8016         (class Output_data_reloc) [SHT_RELA]: Likewise.
8017         * output.cc (Output_reloc::Output_reloc): Add four new versions
8018         for absolute relocs and target specific relocs.
8019         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8020         (Output_reloc::get_symbol_index): Likewise.
8021         (Output_reloc::local_section_offset): Check that local_sym_index_
8022         is not TARGET_CODE or 0.
8023         (Output_reloc::symbol_value): Likewise.
8024         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8025         reloc.
8026         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8027         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8028         functions.
8029         * layout.cc (add_target_dynamic_tags): Use output section for
8030         DT_PLTRELSZ and DT_JMPREL.
8031
8032 2010-01-07  Ian Lance Taylor  <iant@google.com>
8033
8034         PR 11061
8035         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8036         function.
8037         (class Output_data_reloc_generic): Define.
8038         (class Output_data_reloc_base): Change base class to
8039         Output_data_reloc_generic.  Change add() method to call
8040         bump_relative_reloc_count for a relative reloc.  Remove
8041         sort_relocs_ field.
8042         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8043         to sort_relocs().
8044         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8045         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8046         appropriate.
8047         * layout.h (class Layout): Update declaration.
8048
8049 2010-01-07  Ian Lance Taylor  <iant@google.com>
8050
8051         * output.h (class Output_data): Add const version of
8052         output_section and do_output_section.
8053         (class Output_section_data): Add const version of
8054         do_output_section.
8055         (class Output_section): Likewise.
8056         * layout.cc (Layout::add_target_dynamic_tags): New function.
8057         * layout.h (class Layout): Update declarations.
8058         * arm.cc (Target_arm::do_finalize_sections): Use
8059         add_target_dynamic_tags.
8060         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8061         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8062         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8063         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8064
8065 2010-01-07  Ian Lance Taylor  <iant@google.com>
8066
8067         PR 11042
8068         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8069         object as needed.
8070
8071 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8072             Ian Lance Taylor  <iant@google.com>
8073
8074         PR 11019
8075         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8076         Xindex::read_symtab_xindex.
8077
8078 2010-01-07  Doug Kwan  <dougkwan@google.com>
8079
8080         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8081         (Insn_template::thumb16_bcond_insn): New method declaration.
8082         (Insn_template): Fix spelling.
8083         (Stub::thumb16_special): New method declaration.
8084         (Stub::do_write): Define virtual method which was previously pure
8085         virtual.
8086         (Stub::do_thumb16_special): New method declaration.
8087         (Stub::do_fixed_endian_write): New template member.
8088         (Reloc_stub::do_write): Remove.
8089         (Reloc_stub::do_fixed_endian_write): Remove.
8090         (Cortex_a8_stub): New class definition.
8091         (Stub_factory::make_cortex_a8_stub): New method definition.
8092         (Stub_factory::Stub_factory): Add missing static storage class
8093         qualifier for elf32_arm_stub_a8_veneer_blx.
8094
8095 2010-01-07  Ian Lance Taylor  <iant@google.com>
8096
8097         PR 10980
8098         * options.h (class General_options): Add --warn-unresolved-symbols
8099         and --error-unresolved-symbols.
8100         * errors.cc (Errors::undefined_symbol): Implement
8101         --warn-unresolved-symbols.
8102
8103         * options.h (class General_options): Add -z text and -z textoff.
8104         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8105
8106 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8107
8108         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8109         (Garbage_collection::cident_sections): New function.
8110         (Garbage_collection::add_cident_section): New function.
8111         (Garbage_collection::cident_sections_): New member.
8112         (gc_process_relocs): Add references to sections whose names are C
8113         identifiers.
8114         * gold.h (cident_section_start_prefix): New constant.
8115         (cident_section_stop_prefix): New constant.
8116         (is_cident): New function.
8117         * layout.cc (Layout::define_section_symbols): Replace string constants
8118         with the newly defined constants.
8119         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8120         C identifiers.
8121         * testsuite/Makefile.am: Add gc_orphan_section_test.
8122         * testsuite/Makefile.in: Regenerate.
8123         * testsuite/gc_orphan_section_test.cc: New file.
8124         * testsuite/gc_orphan_section_test.sh: New file.
8125
8126 2010-01-06  Ian Lance Taylor  <iant@google.com>
8127
8128         PR 10980
8129         * options.h (class General_options): Add --warn-shared-textrel.
8130         * layout.cc (Layout::finish_dynamic_section): Implement
8131         --warn-shared-textrel.
8132
8133         PR 10980
8134         * options.h (class General_options): Add --warn-multiple-gp.
8135
8136 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8137
8138         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8139         $(THREADSLIB) and $(LIBDL).
8140         * Makefile.in: Rebuild.
8141
8142 2010-01-06  Ian Lance Taylor  <iant@google.com>
8143
8144         PR 10980
8145         * options.cc (General_options::parse_section_start): New function.
8146         (General_options::section_start): New function.
8147         (General_options::General_options): Initialize all members.
8148         * options.h: Include <map>
8149         (class General_options): Add --section-start.  Add section_starts_
8150         member.
8151         * layout.cc (Layout::attach_allocated_section_to_segment): If
8152         --section-start was used, set the address of the segment.  Remove
8153         local sort_sections.
8154         (Layout::relaxation_loop_body): If the address of the load segment
8155         has been set by --section-start, don't use it.
8156         * output.h (Output_segment::update_flags_for_output_section): New
8157         function.
8158         * output.cc (Output_segment::add_output_section): Call
8159         update_flags_for_output_section.
8160
8161 2010-01-05  Ian Lance Taylor  <iant@google.com>
8162
8163         PR 10980
8164         * options.h (class General_options): Add --undefined-version.
8165         * script.cc (struct Version_expression): Add was_matched_by_symbol
8166         field.
8167         (Version_script_info::matched_symbol): New function.
8168         (Version_script_info::get_symbol_version_helper): Call
8169         matched_symbol.
8170         (Version_script_info::check_unmatched_names): New function.
8171         * script.h (class Version_script_info): Update declarations.
8172         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8173
8174         * options.h (class General_options): Use DEFINE_bool_alias for
8175         allow_multiple_definition.
8176         * resolve.cc (Symbol_table::should_override): Don't test
8177         allow_multiple_definition.
8178
8179         PR 10980
8180         * options.h (class General_options): Add --cref.
8181         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8182         until after printing cref table.
8183         * cref.cc: Include "symtab.h".
8184         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8185         (Cref_table_compare::operator()): New function.
8186         (Cref_inputs::gather_cref): New function.
8187         (filecol): New static const.
8188         (Cref_inputs::print_cref): New function.
8189         (Cref::print_cref): New function.
8190         * cref.h: Include <cstdio>.
8191         (class Cref): Update declarations.
8192         * mapfile.h (Mapfile::file): New function.
8193         * object.h (class Object): Define Symbols.  Declare virtual
8194         do_get_global_symbols.
8195         (Object::get_global_symbols): New function.
8196         * object.cc (Input_objects::add_object): Pass object to cref_ if
8197         --cref.
8198         (Input_objects::archive_start): Likewise.
8199         (Input_objects::archive_stop): Likewise.
8200         (Input_objects::print_cref): New function.
8201         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8202         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8203         --cref.
8204         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8205         function.
8206         * plugin.h (class Sized_pluginobj): Update declarations.
8207
8208 2010-01-05  Ian Lance Taylor  <iant@google.com>
8209
8210         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8211         to is_default_version.  Rename insdef to insdefault.
8212         (Symbol_table::add_from_relobj): Rename def to is_default_version
8213         and local to is_forced_local.
8214         (Symbol_table::add_from_pluginobj): Likewise.
8215         (Symbol_table::add_from_dynobj): Likewise.
8216         (Symbol_table::define_special_symbol): Rename insdef to
8217         insdefault.
8218
8219 2010-01-04  Ian Lance Taylor  <iant@google.com>
8220
8221         PR 10980
8222         * options.h (class General_options): Add
8223         --allow-multiple-definition and -z muldefs.
8224         * resolve.cc (Symbol_table::should_override): Don't warn about a
8225         multiple symbol definition if --allow-multiple-definition or -z
8226         muldefs.
8227
8228         PR 10980
8229         * options.h (class General_options): Add --add-needed and
8230         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8231         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8232         error if --copy-dt-needed-entries aka --add-needed is used and
8233         would cause a change in behaviour.
8234
8235         PR 10980
8236         * options.h (class General_options): Add -G as a short version of
8237         --shared.  Add no-op options -assert, -g, and -i.
8238
8239 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8240
8241         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8242         check for .text or .gnu.linkonce.t sections.
8243         * icf.cc (Icf::find_identical_sections): Ditto.
8244         Change the detection for mangled function name within the section
8245         name.
8246         * icf.h (is_section_foldable_candidate): New function.
8247
8248 2009-12-30  Ian Lance Taylor  <iant@google.com>
8249
8250         PR 10980
8251         * options.h (class General_options): Permit two dashes with
8252         --retain-symbols-file.
8253
8254 2009-12-30  Ian Lance Taylor  <iant@google.com>
8255
8256         PR 10979
8257         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8258         don't put the file header and segment headers in the text
8259         segment.
8260
8261         PR 10979
8262         * common.cc (Sort_commons::operator()): Stabilize sort when both
8263         entries are NULL.
8264         (Symbol_table::do_allocate_commons_list): When allocating common
8265         symbols, skip a symbol which is no longer common.
8266         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8267         an object before checking its type.
8268         * testsuite/common_test_2.c: New file.
8269         * testsuite/common_test_3.c: New file.
8270         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8271         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8272         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8273         (common_test_2_pic.o, common_test_2.so): New targets.
8274         (common_test_3_pic.o, common_test_3.so): New targets.
8275         * testsuite/Makefile.in: Rebuild.
8276
8277         PR 10979
8278         * script.cc (read_input_script): If we see a new SECTIONS clause,
8279         and we have added an input section, give an error.
8280         * layout.h (class Layout): Add have_added_input_section function.
8281         Add have_added_input_section_ field.
8282         * layout.cc (Layout::Layout): Initialize
8283         have_added_input_section_.
8284         (Layout::layout): Set have_added_input_section_.
8285         (Layout::layout_eh_frame): Likewise.
8286
8287 2009-12-30  Ian Lance Taylor  <iant@google.com>
8288
8289         PR 10931
8290         * options.h (class General_options): Add --sort-common option.
8291         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8292         * common.cc (Sort_common): Add sort_order parameter to
8293         constructor.  Add sort_order_ field.
8294         (Sort_commons::operator): Check sort_order_.
8295         (Symbol_table::allocate_commons): Determine the sort order.
8296         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8297         Change all callers.
8298         (Symbol_table::do_allocate_commons_list): Likewise.
8299
8300 2009-12-30  Ian Lance Taylor  <iant@google.com>
8301
8302         PR 10916
8303         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8304         symbols from this object, don't change the visibility of an
8305         undefined symbol.
8306         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8307
8308 2009-12-30  Ian Lance Taylor  <iant@google.com>
8309
8310         PR 10861
8311         * script.h (class Version_script_info): Define Language enum.
8312         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8313         new fields globals_, locals_, and is_finalized_.
8314         * script.cc: Various formatting fixes.
8315         (class Parser_closure): Change language_stack_ from a vector of
8316         std::string to one of Version_script_info::Language.  Adjust all
8317         uses accordingly.
8318         (class Lazy_demangler): Remove.
8319         (struct Version_expression): Change language from std::string to
8320         Version_script_info::Language.
8321         (Version_script_info::Version_script_info): New function.
8322         (Version_script_info::~Version_script_info): Don't call clear.
8323         (Version_script_info::finalize): New function.
8324         (Version_script_info::build_lookup_tables): New function.
8325         (Version_script_info::build_expression_list_lookup): New
8326         function.
8327         (Version_script_info::get_symbol_version_helper): Rewrite to use
8328         lookup tables.
8329         (Version_script_info::print_expression_list): Adjust to use
8330         Version_script_info::Language.
8331         (script_push_lex_into_version_mode): Check that the version script
8332         has not been finalized.
8333         (version_script_push_lang): Change language string to
8334         Version_script_info::Language.
8335         * options.cc (Command_line::version_script): New function.
8336         * options.h (class General_options): Add finalize_dynamic_list
8337         function.  Change version_script from declaration to definition.
8338         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8339         * testsuite/version_script.map: Remove duplicate def of foo.
8340         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8341         version_script.map.
8342         * testsuite/Makefile.in: Rebuild.
8343
8344 2009-12-30  Ian Lance Taylor  <iant@google.com>
8345
8346         PR 10843
8347         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8348         if the input symbol index is 0, make the output symbol index 0.
8349
8350 2009-12-30  Ian Lance Taylor  <iant@google.com>
8351
8352         PR 10670
8353         * options.h (class General_options): Add -x/--discard-all.
8354         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8355         --discard-all.  If the local symbol needs a dynamic entry, check
8356         that before handling --discard-locals.
8357
8358 2009-12-30  Ian Lance Taylor  <iant@google.com>
8359
8360         PR 10450
8361         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8362         flags to PF_R.
8363         (Output_segment::add_output_section): Don't change the flags if
8364         the type is PT_TLS.
8365
8366         PR 10450
8367         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8368         GNU hash table if they need a dynamic value.  Otherwise, don't add
8369         them if they are defined in a dynamic object or are forced local.
8370
8371 2009-12-29  Ian Lance Taylor  <iant@google.com>
8372
8373         PR 10450
8374         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8375         .gnu.hash table for a 32-bit target.
8376
8377         PR 10450
8378         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8379         regular and a dynamic object only needs a dynamic symbol table
8380         entry if it is externally visible.
8381
8382         PR 10450
8383         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8384         constructor.  Add global_offset_table_ field.
8385         (Target_i386::got_section): Set global_offset_table_.
8386         (Target_i386::do_finalize_sections): Set global_offset_table_
8387         size.
8388         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8389         in constructor.  Add global_offset_table_ field.
8390         (Target_x86_64::got_section): Set global_offset_table_.
8391         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8392         size.
8393
8394         * layout.cc (Layout::Layout): Initialize increase_relro_.
8395         (Layout::get_output_section): Add is_relro, is_last_relro, and
8396         is_first_non_relro parameters.  Change all callers.
8397         (Layout::choose_output_section): Likewise.
8398         (Layout::add_output_section_data): Likewise.
8399         (Layout::make_output_section): Likewise.
8400         (Layout::set_segment_offsets): Clear increase_relro when using a
8401         linker script.
8402         * layout.h (class Layout): Add increase_relro method.  Add
8403         increase_relro_ field.  Update declarations.
8404         * output.cc (Output_section::Output_section): Initialize
8405         is_last_relro_ and is_first_non_relro_.
8406         (Output_segment::add_output_section): Group relro sections is
8407         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8408         (Output_segment::maximum_alignment): Remove relro handling.
8409         (Output_segment::set_section_addresses): Add increase_relro
8410         parameter.  Change all callers.  Add initial alignment to align
8411         relro sections on separate page.  Remove old relro handling.
8412         (Output_segment::set_section_list_addresses): Remove in_relro
8413         parameter.  Change all callers.
8414         (Output_segment::set_offset): Add increase parameter.  Change all
8415         callers.  Remove old relro handling.
8416         * output.h (class Output_section): Add new methods: is_last_relro,
8417         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8418         Add is_last_relro_ and is_first_non_relro_ fields.
8419         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8420         Create separate .got.plt section.  Call increase_relro.
8421         * x86_64.cc (Target_x86_64::got_section): Likewise.
8422         * testsuite/relro_script_test.t: Add .got.plt.
8423
8424         PR 10450
8425         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8426         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8427         (Layout::finalize): Call set_dynamic_symbol_size.
8428         (Layout::set_dynamic_symbol_size): New function.
8429         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8430         set_dynamic_symbol_size.
8431
8432         PR 10450
8433         * output.h (class Output_section): Add is_entsize_zero_ field.
8434         * output.cc (Output_section::Output_section): Initialize
8435         is_entsize_zero_.
8436         (Output_section::set_entsize): If two different entsizes are
8437         requested, force it to zero.
8438         (Output_section::add_input_section): Set flags for .debug_str
8439         before updating section flags.  Set entsize.
8440         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8441         and SHF_STRING if all input sections have those flags.
8442
8443 2009-12-29   Rafael Espindola  <espindola@google.com>
8444
8445         * main.cc (main): Fix the sys time reporting.
8446         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8447         reporting.
8448
8449 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8450
8451         * options.cc (General_options::parse_version): Allow -v to exit
8452         without an error if there is nothing to link.
8453
8454 2009-12-29  Ian Lance Taylor  <iant@google.com>
8455
8456         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8457         using a version of gcc before 4.1.
8458         * configure: Rebuild.
8459
8460 2009-12-28  Chris Demetriou  <cgd@google.com>
8461
8462         * attributes.cc (Output_attributes_section_data::do_write): Use
8463         std::vector::front rather than std::vector::data.
8464
8465 2009-12-28  Ian Lance Taylor  <iant@google.com>
8466
8467         * symtab.h (class Symbol_table): Add enum Defined.
8468         * resolve.cc (Symbol_table::should_override): Add defined
8469         parameter.  Change all callers.  Test whether object is NULL
8470         before calling a method on it.
8471         (Symbol_table::report_resolve_problem): Add defined parameter.
8472         Change all callers.
8473         (Symbol_table::should_override_with_special): Likewise.
8474         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8475         parameter.  Change all callers.
8476         (Symbol_table::do_define_in_output_data): Likewise.
8477         (Symbol_table::define_in_output_segment): Likewise.
8478         (Symbol_table::do_define_in_output_segment): Likewise.
8479         (Symbol_table::define_as_constant): Likewise.
8480         (Symbol_table::do_define_as_constant): Likewise.
8481         * script.h (class Symbol_assignment): Add is_defsym parameter to
8482         constructor; change all callers.
8483         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8484         parameter.  Change all callers.  Add is_defsym_ field.
8485         (class Parser_closure): Add parsing_defsym parameter to
8486         constructor; change all callers.  Add parsing_defsym accessor
8487         function.  Add parsing_defsym_ field.
8488
8489 2009-12-28  Ian Lance Taylor  <iant@google.com>
8490
8491         * gold.cc (queue_middle_tasks): Fix formatting.
8492         * object.cc (Relobj::is_section_name_included): Likewise.
8493
8494 2009-12-23  Ian Lance Taylor  <iant@google.com>
8495
8496         * i386.cc (Target_i386::do_calls_non_split): Recognize
8497         -fsplit-stack prologue for a function with a static chain.
8498         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8499         -fsplit-stack prologue when using %r11.
8500
8501 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8502
8503         * options.cc (General_options::parse_version): Make -v continue and do
8504         the link like GNU ld does.
8505
8506 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8507
8508         * Makefile.am (CCFILES): Add timer.cc.
8509         (HFILES): Add timer.h.
8510         * configure.ac: Check for sysconf and times.
8511         * main.cc: include timer.h.
8512         (main): Use Timer instead of get_run_time.
8513         * timer.cc: New.
8514         * timer.h: New.
8515         * workqueue.cc: include timer.h.
8516         (Workqueue::find_and_run_task):
8517         Report user, sys and wall time.
8518         * Makefile.in: Regenerate.
8519         * config.in: Regenerate.
8520         * configure: Regenerate.
8521
8522 2009-12-16  Doug Kwan  <dougkwan@google.com>
8523
8524         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8525         sections.
8526         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8527         relaxed input sections.
8528         * output.cc (Output_section::find_relaxed_input_section): Change
8529         return type to Output_relaxed_input_section pointer.  Adjust code
8530         for new type of relaxed_input_section_map_.
8531         * output.h (Output_section::find_relaxed_input_section): Change
8532         return type to Output_relaxed_input_section pointer.
8533         (Output_section::Output_relaxed_input_section_by_input_section_map):
8534         New type.
8535         (Output_section::relaxed_input_section_map_): Change type to
8536         Output_section::Output_relaxed_input_section_by_input_section_map.
8537         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8538         input section.
8539
8540 2009-12-15  Ian Lance Taylor  <iant@google.com>
8541
8542         * layout.cc (Layout::create_shstrtab): Only write out after input
8543         sections if we are compressing debug sections.
8544
8545 2009-12-15  Ian Lance Taylor  <iant@google.com>
8546
8547         * archive.cc (Archive::add_symbols): Only look up a symbol without
8548         a version if there is, in fact, a version.
8549
8550 2009-12-14  Ian Lance Taylor  <iant@google.com>
8551
8552         Revert -Wshadow changes, all changes from:
8553         2009-12-11  Doug Kwan  <dougkwan@google.com>
8554         2009-12-11  Nick Clifton  <nickc@redhat.com>
8555         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8556
8557 2009-12-11  Doug Kwan  <dougkwan@google.com>
8558
8559         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8560         due to -Wshadow.
8561         * attributes.cc (Object_attribute::size): Ditto.
8562         (Attributes_section_data::size): Ditto.
8563         (Attributes_section_data::Attributes_section_data): Ditto.
8564         (Output_attributes_section_data::do_write): Ditto.
8565         * attributes.h (Object_attribute::set_type): Ditto.
8566         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8567
8568 2009-12-11  Nick Clifton  <nickc@redhat.com>
8569
8570         * archive.cc: Fix shadowed variable warnings.
8571         * arm.cc: Likewise.
8572         * compressed_output.cc: Likewise.
8573         * compressed_output.h: Likewise.
8574         * configure: Likewise.
8575         * dwarf_reader.cc: Likewise.
8576         * dynobj.cc: Likewise.
8577         * dynobj.h: Likewise.
8578         * ehframe.cc: Likewise.
8579         * ehframe.h: Likewise.
8580         * errors.cc: Likewise.
8581         * expression.cc: Likewise.
8582         * fileread.cc: Likewise.
8583         * fileread.h: Likewise.
8584         * freebsd.h: Likewise.
8585         * i386.cc: Likewise.
8586         * icf.cc: Likewise.
8587         * incremental.h: Likewise.
8588         * layout.cc: Likewise.
8589         * layout.h: Likewise.
8590         * mapfile.cc: Likewise.
8591         * merge.cc: Likewise.
8592         * merge.h: Likewise.
8593         * object.cc: Likewise.
8594         * object.h: Likewise.
8595         * options.h: Likewise.
8596         * output.cc: Likewise.
8597         * output.h: Likewise.
8598         * parameters.cc: Likewise.
8599         * plugin.cc: Likewise.
8600         * powerpc.cc: Likewise.
8601         * reduced_debug_output.cc: Likewise.
8602         * reduced_debug_output.h: Likewise.
8603         * reloc.cc: Likewise.
8604         * reloc.h: Likewise.
8605         * resolve.cc: Likewise.
8606         * script-sections.cc: Likewise.
8607         * script.cc: Likewise.
8608         * script.h: Likewise.
8609         * sparc.cc: Likewise.
8610         * symtab.cc: Likewise.
8611         * symtab.h: Likewise.
8612         * target-select.cc: Likewise.
8613         * target-select.h: Likewise.
8614         * token.h: Likewise.
8615         * workqueue.cc: Likewise.
8616         * workqueue.h: Likewise.
8617         * x86_64.cc: Likewise.
8618
8619 2009-12-10  Doug Kwan  <dougkwan@google.com>
8620
8621         * arm.cc (attributes.h): New include.
8622         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8623         (Arm_relobj::~Arm_relobj): Delete object pointed by
8624         attributes_section_data_.
8625         (Arm_relobj::attributes_section_data): New method definition.
8626         (Arm_relobj::attributes_section_data_): New data member declaration.
8627         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8628         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8629         attributes_section_data_.
8630         (Arm_dynobj::attributes_section_data): New method definition.
8631         (Arm_dynobj::attributes_section_data_): New data member declaration.
8632         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8633         initialization value of may_use_blx_ to false.
8634         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8635         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8636         object attributes to compute results instead of hard-coding.
8637         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8638         Target_arm::get_secondary_compatible_arch,
8639         Target_arm::set_secondary_compatible_arch
8640         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8641         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8642         New method declarations.
8643         (Target_arm::get_aeabi_object_attribute): New method definition.
8644         (Target_arm::attributes_section_data_): New data member declaration.
8645         (read_arm_attributes_section): New template definition.
8646         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8647         (Arm_dynobj::do_read_symbols): Ditto.
8648         (Target_arm::do_finalize_sections): Merge attributes sections from
8649         input.  Check for BLX use after attributes section merging.
8650         Fix __exidx_start and __exidx_end visibility.  Create an
8651         .ARM.attributes section if necessary.
8652         (Target_arm::get_secondary_compatible_arch,
8653         Target_arm::set_secondary_compatible_arch,
8654         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8655         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8656         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8657         New method definitions.
8658
8659 2009-12-09  Ian Lance Taylor  <iant@google.com>
8660
8661         * plugin.cc (Plugin::load): Don't cast from void* to a function
8662         pointer.
8663
8664 2009-12-09  Ian Lance Taylor  <iant@google.com>
8665
8666         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8667         information fields.
8668
8669 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8670
8671         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8672         Replace two_file_shared_1.so with two_file_shared_2.so.
8673         * testsuite/Makefile.in: Regenerated.
8674
8675 2009-12-08  Doug Kwan  <dougkwan@google.com>
8676
8677         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8678         (HFILES): Add attributes.h and int_encoding.h.
8679         * Makefile.in: Regenerate.
8680         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8681         function definitions to int_encoding.cc
8682         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8683         prototypes to int_encoding.h
8684         * reduced_debug_output.cc (int_encoding.h): New include.
8685         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8686         function definitions to int_encoding.cc
8687         (insert_into_vector, read_from_pointer): Move template definitions to
8688         int_encoding.h
8689         * attributes.cc: New file.
8690         * attributes.h: New file.
8691         * int_encoding.cc: New file.
8692         * int_encoding.h: New file.
8693
8694 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8695
8696         PR gold/11055
8697         * incremental-dump.cc (dump_incremental_inputs): New.
8698         (main): Use dump_incremental_inputs.
8699
8700 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8701
8702         PR gold/10893
8703         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8704         checking elfcpp::STT_FUNC.
8705         (Target_i386::Relocate::relocate): Likewise.
8706         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8707
8708         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8709         symbols from shared libraries into normal FUNC symbols.
8710
8711         * symtab.h (Symbol): Add is_func and use it.
8712
8713 2009-12-05  Doug Kwan  <dougkwan@google.com>
8714
8715         * arm.cc (Target_arm::arm_info): Initialize new fields
8716         attributes_section and attributes_vendor.
8717         * i386.cc (Target_i386::i386_info): Same.
8718         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8719         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8720         fields attributes_section and attributes_vendor.
8721         * sparc.cc (Target_sparc::sparc_info): Same.
8722         * target.h (Target::attributes_section, Target::attributes_vendor,
8723         Target::is_attributes_section, Target::attribute_arg_type,
8724         Target::attributes_order): New method definitions.
8725         (Target::Target_info::attributes_section,
8726         Target::Target_info::attributes_vendor): New fields.
8727         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8728         virtual method definitions.
8729         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8730         attributes_section and attributes_vendor.
8731         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8732
8733 2009-12-05  Doug Kwan  <dougkwan@google.com>
8734
8735         * arm.cc: Update comments about interworking and stub generation.
8736         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8737         considered as non-PIC.
8738         (Arm_relocate_functions::base_abs): Fix formatting.
8739         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8740         of function to use GOT entry address instead of offset.
8741         (Target_arm::Scan::global): Issue an error if a symbol would need a
8742         PLT does not get one because it is untyped.  Remove code to create
8743         dynamic symbols for relative branches.
8744         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8745         takes unsigned integer instead of boolean.
8746
8747 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8748
8749         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8750         (two_file_test_LDADD): Likewise.
8751         (common_test_1_LDADD): Likewise.
8752         (exception_test_LDADD) Likewise.
8753         (weak_test_LDADD): Likewise.
8754         (many_sections_test_LDADD): Likewise.
8755         (initpri1_LDADD): Likewise.
8756         (script_test_1_LDADD): Likewise.
8757         (script_test_2_LDADD): Likewise.
8758         (justsyms_LDADD): Likewise.
8759         (binary_test_LDADD): Likewise.
8760         (large_LDADD): Likewise.
8761         * testsuite/Makefile.in: Regenerated.
8762
8763 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8764
8765         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8766         (Symbol_table::override_with_special): Likewise.
8767         (Symbol_table::add_from_object): Likewise.
8768
8769 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8770
8771         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8772         Don't set the data_offset twice.
8773
8774 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8775
8776         * testsuite/Makefile.in: Regenerate.
8777
8778 2009-12-03  Doug Kwan  <dougkwan@google.com>
8779
8780         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8781         (Target_arm::do_finalize_sections): Add parameter for symbol table
8782         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8783         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8784         parameter for symbol table pointer.
8785         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8786         an additional parameter for a pointer to symbol table.
8787         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8788         parameter for a symbol table pointer.
8789         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8790         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8791         Ditto.
8792         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8793         parameter for a symbol table pointer.
8794
8795 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8796
8797         * incremental.cc (Incremental_inputs_header)
8798         (Incremental_inputs_header_write, Incremental_inputs_entry)
8799         (Incremental_inputs_entry_write): Move ...
8800         * incremental.h (Incremental_inputs_header)
8801         (Incremental_inputs_header_write, Incremental_inputs_entry)
8802         (Incremental_inputs_entry_write): here.
8803
8804 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8805
8806         * incremental.cc (make_sized_incremental_binary): Set the target.
8807         Error if it is incompatible.
8808         * output.h (Output_file): Add filename method.
8809
8810 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8811
8812         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8813         from the get_* methods.
8814
8815 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8816
8817         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8818         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8819         Write 0 for the data_offset of scripts.
8820
8821 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8822
8823         * testsuite/Makefile.am: Add the incremental_test.sh test.
8824         * testsuite/incremental_test.sh: New.
8825         * testsuite/incremental_test_1.c: New.
8826         * testsuite/incremental_test_2.c: New.
8827
8828 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8829
8830         * incremental-dump.cc (main): Fix typos.
8831
8832 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8833
8834         PR gold/11025
8835         * incremental-dump.cc (main): Use llu to print 64 bit values.
8836
8837 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8838             H.J. Lu  <hongjiu.lu@intel.com>
8839
8840         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8841         $(LIBDL).
8842         (incremental_dump_LDADD): Likewise.
8843         * Makefile.in: Regenerated.
8844
8845 2009-11-25  Doug Kwan  <dougkwan@google.com>
8846
8847         Revert:
8848
8849         2009-11-25  Doug Kwan  <dougkwan@google.com>
8850
8851                 * arm.cc (Target_arm::Target_arm): Move method definition
8852                 outside of class definition.  Add code to handle
8853                 --target1-rel, --target1-abs and --target2= options.
8854                 (Target_arm::get_reloc_reloc_type): Change method to be
8855                 non-static and const.
8856                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8857                 New data member declaration.
8858                 (Target_arm::Scan::local, Target_arm::Scan::global,
8859                 Target_arm::Relocate::relocate,
8860                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8861                 Adjust call to Target_arm::get_real_reloc_type.
8862                 (Target_arm::get_real_reloc_type): Use command line options
8863                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8864                 * options.h (--target1-rel, --target1-abs, --target2): New
8865                 ARM-only options.
8866
8867 2009-11-25  Doug Kwan  <dougkwan@google.com>
8868
8869         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8870         class definition.  Add code to handle --target1-rel, --target1-abs
8871         and --target2= options.
8872         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8873         and const.
8874         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8875         member declaration.
8876         (Target_arm::Scan::local, Target_arm::Scan::global,
8877         Target_arm::Relocate::relocate,
8878         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8879         call to Target_arm::get_real_reloc_type.
8880         (Target_arm::get_real_reloc_type): Use command line options to
8881         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8882         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8883         options.
8884
8885 2009-11-25  Doug Kwan  <dougkwan@google.com>
8886
8887         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8888         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8889         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8890         formatting.
8891         (Arm_relocate_functions::thm_call): Replace body with a call to
8892         Arm_relocate_functions::thumb_branch_common.
8893         (Arm_relocate_functions::thm_jump24,
8894         Arm_relocate_functions::thm_xpc22): New method definitions.
8895         (Arm_relocate_functions::thumb_branch_common): New method definition.
8896         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8897         operator.
8898         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8899         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8900
8901 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8902
8903         * Makefile.am: Build incremental-dump
8904         * Makefile.in: Regenerate.
8905         * incremental-dump.cc: New.
8906         * incremental.cc (Incremental_inputs_header_data,
8907         Incremental_inputs_entry_data): Move to incremental.h
8908         * incremental.h: (Incremental_inputs_header_data,
8909         Incremental_inputs_entry_data): Move from incremental.cc
8910
8911 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8912
8913         * incremental.cc (Incremental_inputs_header,
8914         Incremental_inputs_header_write, Incremental_inputs_entry,
8915         Incremental_inputs_entry_write): Add a typedef with the data type.
8916
8917 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8918
8919         * incremental.cc (Incremental_inputs_header,
8920         Incremental_inputs_header_write, Incremental_inputs_entry,
8921         Incremental_inputs_entry_write): Update comment about which
8922         type has the filed descriptions.
8923
8924 2009-11-15  Doug Kwan  <dougkwan@google.com>
8925
8926         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8927         (Arm_relocate_functions::arm_branch_common): Change method defintion
8928         in class definition to a method declaration and update list of formal
8929         parameters.
8930         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8931         Arm_relocation_functions::jump24): Adjust call to
8932         Arm_relocate_functions::arm_branch_common.  Update list of formal
8933         parameters.
8934         (Arm_relocate_functions::xpc25): New method definition.
8935         (Arm_relocate_functions::arm_branch_common): Move method defintion
8936         out from class definition.  Use stubs for mode-switching and extending
8937         branch ranges.
8938         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8939         specially.  Change code to enable use of stubs in ARM branches.
8940
8941 2009-11-10  Doug Kwan  <dougkwan@google.com>
8942
8943         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8944         in method declaration.
8945         (Target_arm::relocate_stub): New method declaration.
8946         (Target_arm::default_target): Change to return a pointer instead of
8947         a const reference.
8948         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8949         Target_arm::default_target.
8950         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8951         method definition.
8952         (Target_arm::relocate_section): Adjust view.
8953         (Target_arm::relocate_stub): New method definition.
8954
8955 2009-11-10  Doug Kwan  <dougkwan@google.com>
8956
8957         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8958         a format warning.
8959         * incremental.cc (open_incremental_binary): Initialized local
8960         variables to avoid warnings.
8961         * object.cc (make_elf_object): Ditto.
8962         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8963         a format warning.
8964
8965 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8966
8967         PR gold/10930
8968         * testsuite/plugin_test.c: Include "config.h".
8969
8970 2009-11-09  Doug Kwan  <dougkwan@google.com>
8971
8972         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8973         (arm_symbol_value): Remove.
8974         (Arm_relocate_functions::arm_branch_common,
8975         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8976         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8977         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8978         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8979         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8980         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8981         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8982         Arm_relocate_functions::thm_mobw_abs_nc,
8983         Arm_relocate_functions::thm_mov_abs,
8984         Arm_relocate_functions::movw_prel_nc,
8985         Arm_relocate_functions::thm_movt_abs,
8986         Arm_relocate_functions::movt_prel,
8987         Arm_relocate_functions::thm_movw_prel_nc,
8988         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8989         (Target_arm::Relocate::relocate): Only decompose address into two
8990         parts if relocation type uses the thumb-bit and pass the actual
8991         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8992         calls to methods in Arm_relocate_functions for this change.
8993
8994 2009-11-08  Ian Lance Taylor  <iant@google.com>
8995
8996         PR 10925
8997         * reloc.cc: Instantiate
8998         Sized_relobj::initialize_input_to_output_maps and
8999         Sized_relobj:free_input_to_output_maps.
9000
9001 2009-11-06  Ian Lance Taylor  <iant@google.com>
9002
9003         PR 10876
9004         * defstd.cc (in_segment): Set only_if_ref true for "end".
9005
9006 2009-11-06  Doug Kwan  <dougkwan@google.com>
9007
9008         * arm.cc (class Reloc_stub): Correct a comment.
9009         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9010         (Target_arm::scan_section_for_stubs): New method declaration.
9011         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9012         Change methods from private to protected.
9013         (Target_arm::do_may_relax): New method definition.
9014         (Target_arm::do_relax, Target_arm::group_sections,
9015         Target_arm::scan_reloc_for_stub,
9016         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9017         (Target_arm::arm_input_section_map_): New data member declaration.
9018         (Target_arm::scan_reloc_for_stub,
9019         Target_arm::scan_reloc_section_for_stubs,
9020         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9021         Target_arm::do_relax): New method definitions.
9022
9023 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9024
9025         * configure.ac: Check for (struct stat)::st_mtim
9026         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9027         * config.in: Regenerate.
9028         * configure: Regenerate.
9029
9030 2009-11-05  Ian Lance Taylor  <iant@google.com>
9031
9032         PR 10910
9033         * output.cc (Output_segment::add_output_section): Add missing
9034         return statement.
9035
9036 2009-11-04  Ian Lance Taylor  <iant@google.com>
9037
9038         PR 10880
9039         * object.h (class Object): Add is_needed and set_is_needed
9040         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9041         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9042         defined in a dynamic object and referenced by a regular object,
9043         set is_needed for the dynamic object.
9044         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9045         if the file is marked with as_needed and it is not needed.
9046
9047 2009-11-04  Ian Lance Taylor  <iant@google.com>
9048
9049         PR 10887
9050         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9051         tags if data is discarded by linker script.
9052         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9053         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9054         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9055         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9056
9057 2009-11-04  Ian Lance Taylor  <iant@google.com>
9058
9059         * layout.cc (Layout::get_output_section): Add is_interp and
9060         is_dynamic_linker_section parameters.  Change all callers.
9061         (Layout::choose_output_section): Likewise.
9062         (Layout::make_output_section): Likewise.
9063         (Layout::add_output_section_data): Add is_dynamic_linker_section
9064         parameter.  Change all callers.
9065         * layout.h (class Layout): Update declarations.
9066         * output.h (class Output_section): Add is_interp, set_is_interp,
9067         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9068         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9069         generate_code_fills_at_write_ to a bitfield.
9070         * output.cc (Output_section::Output_sections): Initialize new
9071         fields.
9072         (Output_segment::add_output_section): Add do_sort parameter.
9073         Change all callers.
9074
9075 2009-11-03  Ian Lance Taylor  <iant@google.com>
9076
9077         PR 10860
9078         * options.h (class General_options): Add --warn-common.
9079         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9080         merging two common symbols.
9081         (Symbol_table::should_override): Handle --warn-common when merging
9082         a common symbol with a defined symbol.  Use report_resolve_problem
9083         for multiple definitions.
9084         (Symbol_table::report_resolve_problem): New function.
9085         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9086
9087 2009-11-03  Doug Kwan  <dougkwan@google.com>
9088
9089         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9090         stub_factory_.
9091         (Target_arm::stub_factory): New method definition.
9092         (Target_arm::new_arm_input_section,
9093         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9094         Target_arm::reloc_uses_thumb_bit): New method declarations.
9095         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9096         New type definitions.
9097         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9098         member declarations.
9099         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9100         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9101         New method definitions.
9102
9103 2009-11-03  Ian Lance Taylor  <iant@google.com>
9104
9105         * options.h (class General_options): Add --warn_constructors.
9106
9107 2009-11-03  Ian Lance Taylor  <iant@google.com>
9108
9109         PR 10893
9110         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9111         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9112
9113 2009-11-03  Ian Lance Taylor  <iant@google.com>
9114
9115         PR 10895
9116         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9117         --msgid-bugs-address.
9118         (install-pdf): New target.
9119         (install-data_yes): Look up one directory to find mkinstalldirs.
9120
9121 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9122
9123         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9124         tree.
9125
9126 2009-10-30  Doug Kwan  <dougkwan@google.com>
9127
9128         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9129
9130 2009-10-30  Doug Kwan  <dougkwan@google.com>
9131
9132         * arm.cc (Stub_addend_reader): New struct template definition
9133         and partial specializations.
9134         (Stub_addend_reader::operator()): New method definition for a
9135         partially specialized template.
9136
9137 2009-10-30  Doug Kwan  <dougkwan@google.com>
9138
9139         * arm.cc (Arm_relobj::processor_specific_flags): New method
9140         definition.
9141         (Arm_relobj::do_read_symbols): New method declaration.
9142         (Arm_relobj::processor_specific_flags_): New data member declaration.
9143         (Arm_dynobj): New class definition.
9144         (Target_arm::do_finalize_sections): Add input_objects parameter.
9145         (Target_arm::do_adjust_elf_header): New method declaration.
9146         (Target_arm::are_eabi_versions_compatible,
9147         (Target_arm::merge_processor_specific_flags): New method declaration.
9148         (Target_arm::do_make_elf_object): New overloaded method definitions
9149         and declaration.
9150         (Arm_relobj::do_read_symbols): New method definition.
9151         (Arm_dynobj::do_read_symbols): Ditto.
9152         (Target_arm::do_finalize_sections): Add input_objects parameters.
9153         Merge processor-specific flags from all input objects.
9154         (Target_arm::are_eabi_versions_compatible,
9155         Target_arm::merge_processor_specific_flags,
9156         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9157         New method definitions.
9158         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9159         Input_objects pointer type parameter.
9160         * layout.cc (Layout::finalize): Pass input objects to target's.
9161         finalize_sections function.
9162         * output.cc (Output_file_header::do_sized_write): Set ELF file
9163         header's processor-specific flags.
9164         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9165         Input_objects pointer type parameter.
9166         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9167         * target.h (Input_objects): New forward class declaration.
9168         (Target::processor_specific_flags,
9169         Target::are_processor_specific_flags_sect): New method definitions.
9170         (Target::finalize_sections): Add input_objects parameter.
9171         (Target::Target): Initialize processor_specific_flags_ and
9172         are_processor_specific_flags_set_.
9173         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9174         parameter.
9175         (Target::set_processor_specific_flags): New method definition.
9176         (Target::processor_specific_flags_,
9177         Target::are_processor_specific_flags_set_): New data member
9178         declarations.
9179         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9180         Input_objects pointer type parameter.
9181
9182 2009-10-30  Doug Kwan  <dougkwan@google.com>
9183
9184         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9185
9186 2009-10-28  Ian Lance Taylor  <iant@google.com>
9187
9188         * object.h (class Relobj): Drop options parameter from
9189         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9190         do_scan_relocs, do_relocate.  Change all callers.
9191         (class Sized_relobj): Drop options parameters from
9192         do_gc_process_relocs, do_scan_relocs, do_relocate,
9193         do_relocate_sections, relocate_sections, emit_relocs_scan,
9194         emit_relocs_scan_reltype.  Change all callers.
9195         (struct Relocate_info): Remove options field and all references to
9196         it.
9197         * reloc.h (class Read_relocs): Remove options constructor
9198         parameter and options_ field.  Change all callers.
9199         (class Gc_process_relocs, class Scan_relocs): Likewise.
9200         (class Relocate_task): Likewise.
9201         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9202         all callers.
9203         (scan_relocatable_relocs): Likewise.
9204         * target.h (class Sized_target): Remove options parameter from
9205         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9206         all callers.
9207         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9208         callers.
9209         * arm.cc: Update functions to remove options parameters.
9210         * i386.cc: Likewise.
9211         * powerpc.cc: Likewise.
9212         * sparc.cc: Likewise.
9213         * x86_64.cc: Likewise.
9214         * testsuite/testfile.cc: Likewise.
9215
9216 2009-10-28  Doug Kwan  <dougkwan@google.com>
9217
9218         * arm.cc (Arm_relobj): New class definition.
9219         (Arm_relobj::scan_sections_for_stubs,
9220         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9221         New method definitions.
9222
9223 2009-10-28  Cary Coutant  <ccoutant@google.com>
9224
9225         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9226         (Plugin::cleanup_done_): New member.
9227         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9228         (Plugin_manager::cleanup_done_): Remove.
9229         (Plugin_manager::add_input_file): Edit error message.
9230         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9231         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9232
9233 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9234
9235         * fileread.cc: (File_read::View::~View): Use the new
9236         data_ownership_ filed.
9237         (File_read::~File_read): Dispose the new whole_file_view_.
9238         (File_read::open): Mmap the whole file if needed.
9239         (File_read::open): Use whole_file_view_ instead of contents_.
9240         (File_read::find_view): Use whole_file_view_ if applicable.
9241         (File_read::do_read): Use whole_file_view_ instead of contents_.
9242         (File_read::make_view): Use whole_file_view_ instead of contents_,
9243         update File_read::View::View call.
9244         (File_read::find_or_make_view): Update File_read::View::View
9245         call.
9246         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9247         remove contents_
9248         (File_read::View::Data_ownership): New enum.
9249         (File_read::View::View): Replace bool mapped_ with Data_ownership
9250         argument.
9251         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9252         (File_read::View::data_ownership_): New field.
9253         (File_read::contents_): Remove (replaced by whole_file_view_).
9254         (File_read::whole_file_view_): New field.
9255         * options.h (class General_options): Add --keep-files-mapped.
9256
9257 2009-10-27  Cary Coutant  <ccoutant@google.com>
9258
9259         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9260         * testsuite/Makefile.am (plugin_test_5): New test case.
9261         * testsuite/Makefile.in: Regenerate.
9262
9263 2009-10-25  Doug Kwan  <dougkwan@google.com>
9264
9265         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9266         from private to protected to allow access by child class.
9267         (Sized_relobj::do_relocate_sections): New method declaration.
9268         (Sized_relobj::relocate_sections): Virtualize.
9269         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9270         Sized_relobj::relocate_sections.  Instantiate template explicitly
9271         for different target sizes and endianity.
9272
9273 2009-10-24  Doug Kwan  <dougkwan@google.com>
9274
9275         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9276         (Arm_input_section::as_arm_input_section): New method.
9277         (Arm_output_section): New class definition.
9278         (Arm_output_section::create_stub_group,
9279         Arm_output_section::group_sections): New method definitions.
9280
9281 2009-10-22  Doug Kwan  <dougkwan@google.com>
9282
9283         * arm.cc (Arm_input_section): New class definition.
9284         (Arm_input_section::init, Arm_input_section:do_write,
9285         Arm_input_section::set_final_data_size,
9286         Arm_input_section::do_reset_address_and_file_offset): New method
9287         definitions.
9288
9289 2009-10-21  Doug Kwan  <dougkwan@google.com>
9290
9291         * arm.cc (Stub_table, Arm_input_section): New forward class
9292         declarations.
9293         (Stub_table): New class defintion.
9294         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9295         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9296         New method definition.
9297
9298 2009-10-21  Doug Kwan  <dougkwan@google.com>
9299
9300         * arm.cc: Update copyright comments.
9301         (Target_arm): New forward class template declaration.
9302         (Arm_address): New type.
9303         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9304         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9305         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9306         constants.
9307         (Insn_template): Same.
9308         (DEF_STUBS): New macro.
9309         (Stub_type): New enum type.
9310         (Stub_template): New class definition.
9311         (Stub): Same.
9312         (Reloc_stub): Same.
9313         (Stub_factory): Same.
9314         (Target_arm::Target_arm): Initialize may_use_blx_ and
9315         should_force_pic_veneer_.
9316         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9317         Target_arm::should_force_pic_veneer,
9318         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9319         Target_arm::using_thumb_only, Target_arm:;default_target): New
9320         method defintions.
9321         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9322         New data member declarations.
9323         (Insn_template::size, Insn_template::alignment): New method defintions.
9324         (Stub_template::Stub_template): New method definition.
9325         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9326         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9327         (Stub_factory::Stub_factory): New method definition.
9328         * gold.h (string_hash): New template.
9329         * output.h (Input_section_specifier::hash_value): Use
9330         gold::string_hash.
9331         (Input_section_specifier::string_hash): Remove.
9332         * stringpool.cc (Stringpool_template::string_hash): Use
9333         gold::string_hash.
9334
9335 2009-10-20  Doug Kwan  <dougkwan@google.com>
9336
9337         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9338         symbols of relaxed input sections.
9339         * output.h (Output_section::find_relaxed_input_section): Make
9340         method public.
9341
9342 2009-10-16  Doug Kwan  <dougkwan@google.com>
9343
9344         * dynobj.cc (Versions::Versions): Initialize version_script_.
9345         Only insert base version symbol definition for a shared object
9346         if version script defines any version versions.
9347         (Versions::define_base_version): New method definition.
9348         (Versions::add_def): Check that base version is not needed.
9349         (Versions::add_need): Define base version lazily.
9350         * dynobj.h (Versions::define_base_version): New method declaration.
9351         (Versions::needs_base_version_): New data member declaration.
9352         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9353         (check_DATA): Add no_version_test.stdout.
9354         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9355         New make rules.
9356         * testsuite/Makefile.in: Regenerate.
9357         * testsuite/no_version_test.c: New file.
9358         * testsuite/no_version_test.sh: Ditto.
9359
9360 2009-10-16  Doug Kwan  <dougkwan@google.com>
9361
9362         * expression.cc (class Segment_start_expression): New class definition.
9363         (Segment_start_expression::value): New method definition.
9364         (script_exp_function_segment_start): Return a new
9365         Segment_start_expression.
9366         * gold/script-c.h (script_saw_segment_start_expression): New function
9367         prototype.
9368         * script-sections.cc (Script_sections::Script_sections): Initialize
9369         SAW_SEGMENT_START_EXPRESSION_ to false.
9370         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9371         and -Tbbs options to specify section addresses if given in
9372         command line and no SEGMENT_START expression is seen in a script.
9373         * script-sections.h (Script_sections::saw_segment_start_expression,
9374         Script_sections::set_saw_segment_start_expression): New method
9375         definition.
9376         (Script_sections::saw_segment_start_expression_): New data member
9377         declaration.
9378         * script.cc (script_saw_segment_start_expression): New function.
9379         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9380         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9381         script_test_7.sh and script_test_8.sh.
9382         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9383         script_test_8.stdout.
9384         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9385         (script_test_6, script_test_6.stdout, script_test_7,
9386         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9387         * Makefile.in: Regenerate.
9388         * testsuite/script_test_6.sh: New file.
9389         * testsuite/script_test_6.t: Same.
9390         * testsuite/script_test_7.sh: Same.
9391         * testsuite/script_test_7.t: Same.
9392         * testsuite/script_test_8.sh: Same.
9393
9394 2009-10-16  Doug Kwan  <dougkwan@google.com>
9395
9396         * output.cc (Output_segment::set_section_list_address): Cast
9397         expressions to unsigned long long type to avoid format warnings.
9398
9399 2009-10-15  Ian Lance Taylor  <iant@google.com>
9400
9401         * script.cc (Script_options::add_symbol_assignment): Always add a
9402         dot assignment to script_sections_.
9403         * script-sections.cc (Script_sections::add_dot_assignment):
9404         Initialize if necessary.
9405
9406         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9407         program headers with no load segment if there is a linker script.
9408
9409         * layout.cc (Layout::set_segment_offsets): Align the file offset
9410         to the segment aligment for -N or -n with no load segment.
9411         * output.cc (Output_segment::add_output_section): Don't crash if
9412         the first section is a TLS section.
9413         (Output_segment::set_section_list_addresses): Print an error
9414         message if the address moves backward in a linker script.
9415         * script-sections.cc
9416         (Output_section_element_input::set_section_addresses): Don't
9417         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9418         (Orphan_output_section::set_section_addresses): Likewise.
9419
9420 2009-10-15  Doug Kwan  <dougkwan@google.com>
9421
9422         * layout.cc (Layout::finish_dynamic_section): Generate tags
9423         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9424         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9425         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9426
9427 2009-10-14  Ian Lance Taylor  <iant@google.com>
9428
9429         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9430         fields.
9431         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9432         data_shdr fields of relinfo.
9433         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9434         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9435         R_386_TLS_LDO_32, adjust based on section flags.
9436         (Target_i386::Relocate::fix_up_ldo): Remove.
9437
9438 2009-10-13  Ian Lance Taylor  <iant@google.com>
9439
9440         Add support for -pie.
9441         * options.h (class General_options): Add -pie and
9442         --pic-executable.
9443         (General_options::output_is_position_independent): Test -pie.
9444         (General_options::output_is_executable): Return true if not shared
9445         and not relocatable.
9446         (General_options::output_is_pie): Remove.
9447         * options.cc (General_options::finalize): Reject incompatible uses
9448         of -pie.
9449         * gold.cc (queue_middle_tasks): A -pie link is not static.
9450         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9451         * symtab.cc (Symbol::final_value_is_known): Return false if
9452         output_is_position_independent.
9453         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9454         output_is_position_independent.
9455         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9456         output_is_position_independent.
9457         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9458         output_is_position_independent.
9459         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9460         two_file_pie_test.
9461         (basic_pie_test.o, basic_pie_test): New targets.
9462         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9463         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9464         (two_file_pie_test): New target.
9465         * testsuite/Makefile.in: Rebuild.
9466         * README: Remove note saying that -pie is not supported.
9467
9468 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9469
9470         * options.h (class General_options): Add -init and -fini.
9471         * layout.cc (Layout::finish_dynamic_section): Emit
9472         given init and fini functions.
9473
9474 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9475
9476         * gc.h (gc_process_relocs): Check if icf is enabled using new
9477         function.
9478         * gold.cc (queue_initial_tasks): Likewise.
9479         (queue_middle_tasks): Likewise.
9480         * object.cc (do_layout): Likewise.
9481         * symtab.cc (is_section_folded): Likewise.
9482         * main.cc (main): Likewise.
9483         * reloc.cc (Read_relocs::run): Likewise.
9484         (Sized_relobj::do_scan_relocs): Likewise.
9485         * icf.cc (is_function_ctor_or_dtor): New function.
9486         (Icf::find_identical_sections): Check if function is ctor or dtor when
9487         safe icf is chosen.
9488         * options.h (General_options::icf): Change option to be an enum.
9489         (Icf_status): New enum.
9490         (icf_enabled): New method.
9491         (icf_safe_folding): New method.
9492         (set_icf_status): New method.
9493         (icf_status_): New variable.
9494         * (options.cc) (General_options::finalize): Set icf_status_.
9495         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9496         icf_test and icf_keep_unique_test to use the --icf enum flag.
9497         * testsuite/icf_safe_test.sh: New file.
9498         * testsuite/icf_safe_test.cc: New file.
9499
9500 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9501
9502         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9503         includes to gc.h and icf.h.
9504         * arm.cc: Include gc.h.
9505         * gold.cc: Likewise.
9506         * i386.cc: Likewise.
9507         * powerpc.cc: Likewise.
9508         * sparc.cc: Likewise.
9509         * x86_64.cc: Likewise.
9510         * gc.h: Include icf.h.
9511
9512 2009-10-11  Ian Lance Taylor  <iant@google.com>
9513
9514         * plugin.cc: Include "gold.h" before other header files.
9515
9516 2009-10-10  Chris Demetriou  <cgd@google.com>
9517
9518         * options.h (Input_file_argument::Input_file_type): New enum.
9519         (Input_file_argument::is_lib_): Replace with...
9520         (Input_file_argument::type_): New member.
9521         (Input_file_argument::Input_file_argument): Take Input_file_type
9522         'type' rather than boolean 'is_lib' as second argument.
9523         (Input_file_argument::is_lib): Use type_.
9524         (Input_file_argument::is_searched_file): New function.
9525         (Input_file_argument::may_need_search): Handle is_searched_file.
9526         * options.cc (General_options::parse_library): Support -l:filename.
9527         (General_options::parse_just_symbols): Update for Input_file_argument
9528         changes.
9529         (Command_line::process): Likewise.
9530         * archive.cc (Archive::get_file_and_offset): Likewise.
9531         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9532         * script.cc (read_script_file, script_add_file): Likewise.
9533         * fileread.cc (Input_file::Input_file): Likewise.
9534         (Input_file::will_search_for): Handle is_searched_file.
9535         (Input_file::open): Likewise.
9536         * readsyms.cc (Read_symbols::get_name): Likewise.
9537         * testsuite/Makefile.am (searched_file_test): New test.
9538         * testsuite/Makefile.in: Regenerate.
9539         * testsuite/searched_file_test.cc: New file.
9540         * testsuite/searched_file_test_lib.cc: New file.
9541
9542 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9543             Ian Lance Taylor  <iant@google.com>
9544
9545         * descriptor.cc: Include <cstdio> and "binary-io.h".
9546         (Descriptors::open): Open the files in binary mode always.
9547         * script.cc (Lex::get_token): Treat \r as whitespace.
9548
9549 2009-10-09  Ian Lance Taylor  <iant@google.com>
9550
9551         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9552
9553 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9554             Ian Lance Taylor  <iant@google.com>
9555
9556         * configure.ac: Check for readv function also.
9557         * fileread.cc (readv): Define if not HAVE_READV.
9558         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9559         does not exist.
9560         * config.in: Regenerate.
9561         * configure: Regenerate.
9562
9563 2009-10-09  Doug Kwan  <dougkwan@google.com>
9564
9565         * layout.cc (Layout::make_output_section): Call target hook to make
9566         ordinary output section.
9567         (Layout::finalize): Adjust parameter list of call the
9568         Target::may_relax().
9569         * layout.h (class Layout::section_list): New method.
9570         * merge.h (Output_merge_base::entsize): Change visibility to public.
9571         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9572         New methods.
9573         (Output_merge_string::do_is_string): New method.
9574         * object.cc (Sized_relobj::do_setup): renamed from
9575         Sized_relobj::set_up.
9576         * object.h (Sized_relobj::adjust_shndx,
9577         Sized_relobj::initializ_input_to_output_maps,
9578         Sized_relobj::free_input_to_output_maps): Change visibilities to
9579         protected.
9580         (Sized_relobj::setup): Virtualize.
9581         (Sized_relobj::do_setup): New method declaration.
9582         (Sized_relobj::invalidate_section_offset,
9583         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9584         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9585         * options.cc (parse_int): New function.
9586         * options.h (parse_int): New declaration.
9587         (DEFINE_int): New macro.
9588         (stub_group_size): New option.
9589         * output.cc (Output_section::Output_section): Initialize memebers
9590         merge_section_map_, merge_section_by_properties_map_,
9591         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9592         (Output_section::add_input_section): Handled deferred code-fill
9593         generation and remove an old comment.
9594         (Output_section::add_relaxed_input_section): New method definition.
9595         (Output_section::add_merge_input_section): Use merge section by
9596         properties map to speed to search.  Update merge section maps
9597         as appropriate.
9598         (Output_section::build_relaxation_map): New method definition.
9599         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9600         Same.
9601         (Output_section::relax_input_section): Renamed to
9602         Output_section::convert_input_sections_to_relaxed_sections and change
9603         interface to take a vector of pointers to relaxed sections.
9604         (Output_section::find_merge_section,
9605         Output_section::find_relaxed_input_section): New method definitions.
9606         (Output_section::is_input_address_mapped,
9607         Output_section::output_offset, Output_section::output_address):
9608         Use output section data maps to speed up searching.
9609         (Output_section::find_starting_output_address): Add comments.
9610         (Output_section::do_write,
9611         Output_section::write_to_postprocessing_buffer): Do code-fill
9612         generation as appropriate.
9613         (Output_section::get_input_sections): Invalidate relaxed input section
9614         map.
9615         (Output_section::restore_states): Adjust type of checkpoint .
9616         Invalidate relaxed input section map.
9617         * output.h (Output_merge_base): New class declaration.
9618         (Input_section_specifier): New class defintion.
9619         (class Output_relaxed_input_section) Change base class to
9620         Output_section_data_build.
9621         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9622         base class initializer.
9623         (Output_section::add_relaxed_input_section): New method declaration.
9624         (Output_section::Input_section): Change visibility to protected.
9625         (Output_section::Input_section::relobj,
9626         Output_section::Input_section::shndx): Handle relaxed input sections.
9627         Output_section::input_sections) Change visibility to protected.  Also
9628         define overload to return a non-const pointer.
9629         (Output_section::Merge_section_properties): New class defintion.
9630         (Output_section::Merge_section_by_properties_map,
9631         Output_section::Output_section_data_by_input_section_map,
9632         Output_section::Relaxation_map): New types.
9633         (Output_section::relax_input_section): Rename method to
9634         Output_section::convert_input_sections_to_relaxed_sections and change
9635         interface to take a vector of relaxed section pointers.
9636         (Output_section::find_merge_section,
9637         Output_section::find_relaxed_input_section,
9638         Output_section::build_relaxation_map,
9639         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9640         New method declarations.
9641         (Output_section::merge_section_map_
9642         Output_section::merge_section_by_properties_map_,
9643         Output_section::relaxed_input_section_map_,
9644         Output_section::is_relaxed_input_section_map_valid_,
9645         Output_section::generate_code_fills_at_write_): New data members.
9646         * script-sections.cc
9647         (Output_section_element_input::set_section_addresses): Call
9648         current_data_size and addralign methods of relaxed input sections.
9649         (Orphan_output_section::set_section_addresses): Call current_data_size
9650         and addralign methods of relaxed input sections.
9651         * symtab.cc (Symbol_table::compute_final_value): Extract template
9652         from the body of Symbol_table::sized_finalize_symbol.
9653         (Symbol_table::sized_finalized_symbol): Call
9654         Symbol_table::compute_final_value.
9655         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9656         (Symbol_table::compute_final_value): New templated method declaration.
9657         * target.cc (Target::do_make_output_section): New method defintion.
9658         * target.h (Target::make_output_section): New method declaration.
9659         (Target::relax): Add more parameters for input objects, symbol table
9660         and layout.  Adjust call to do_relax.
9661         (Target::do_make_output_section): New method declaration.
9662         (Target::do_relax): Add parameters for input objects, symbol table
9663         and layout.
9664
9665 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9666
9667         * pread.c: Include stdio.h.
9668
9669 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9670
9671         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9672         defined.
9673
9674 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9675
9676         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9677         Change read_shndx type to unsigned int.
9678         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9679         int.
9680         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9681         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9682         Change read_shndx type to unsigned int.
9683         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9684         int.
9685         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9686         * layout.cc (Layout::create_symtab_sections): Cast the result of
9687         local_symcount * symsize to off_t in the gold_assert.
9688
9689 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9690
9691         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9692         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9693         R_ARM_BASE_ABS.
9694         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9695         (Arm_relocate_functions::thm_abs5): New function.
9696         (Arm_relocate_functions::abs12): New function.
9697         (Arm_relocate_functions::abs16): New function.
9698         (Arm_relocate_functions::base_abs): New function.
9699         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9700         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9701         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9702         R_ARM_BASE_ABS.
9703         (Scan::global): Likewise.
9704         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9705         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9706         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9707         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9708         R_ARM_BASE_ABS.
9709
9710 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9711
9712         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9713         (Arm_relocate_functions::movt_prel): New function.
9714         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9715         (Arm_relocate_functions::thm_movt_prel): New function.
9716         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9717         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9718         (Scan::global, Relocate::relocate): Likewise.
9719         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9720
9721 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9722
9723         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9724         Incremental_checker.
9725         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9726         unsigned int.
9727         (class Incremental_inputs_header): New class.
9728         (Incremental_inputs_header_writer): Edit comment.
9729         (Incremental_inputs_entry): New class.
9730         (Incremental_inputs_entry_writer): Edit comment.
9731         (Sized_incremental_binary::do_find_incremental_inputs_section):
9732         Add *strtab_shndx parameter, fill it.
9733         (Sized_incremental_binary::do_check_inputs): New method.
9734         (Incremental_checker::can_incrementally_link_output_file): Use
9735         Sized_incremental_binary::check_inputs.
9736         (Incremental_inputs::report_command_line): Save command line in
9737         command_line_.
9738         * incremental.h:
9739         (Incremental_binary::find_incremental_inputs_section): New
9740         method.
9741         (Incremental_binary::do_find_incremental_inputs_section): Add
9742         strtab_shndx parameter.
9743         (Incremental_binary::do_check_inputs): New pure virtual method.
9744         (Sized_incremental_binary::do_check_inputs): Declare.
9745         (Incremental_checker::Incremental_checker): Add incremental_inputs
9746         parameter, use it to initialize incremental_inputs_.
9747         (Incremental_checker::incremental_inputs_): New field.
9748         (Incremental_checker::command_line): New method.
9749         (Incremental_checker::inputs): New method.
9750         (Incremental_checker::command_line_): New field.
9751
9752 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9753
9754         * incremental.cc: Include <cstdarg> and "target-select.h".
9755         (vexplain_no_incremental): New function.
9756         (explain_no_incremental): New function.
9757         (Incremental_binary::error): New method.
9758         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9759         method.
9760         (make_sized_incremental_binary): New function.
9761         (open_incremental_binary): New function.
9762         (can_incrementally_link_file): Add checks if output is ELF and has
9763         inputs section.
9764         * incremental.h: Include "elfcpp_file.h" and "output.h".
9765         (Incremental_binary): New class.
9766         (Sized_incremental_binary): New class.
9767         (open_incremental_binary): Declare.
9768         * object.cc (is_elf_object): Use
9769         elfcpp::Elf_recognizer::is_elf_file.
9770         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9771         * output.h (Output_file::filesize): New method.
9772
9773 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9774
9775         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9776         New function.
9777         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9778         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9779         function.
9780         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9781         function.
9782         (Arm_relocate_functions::movw_abs_nc): New function.
9783         (Arm_relocate_functions::movt_abs): New function.
9784         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9785         (Arm_relocate_functions::thm_movt_abs): New function.
9786         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9787         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9788         (Scan::global): Likewise.
9789         (Relocate::relocate): Likewise.
9790         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9791
9792 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9793
9794         * arm.cc (Arm_relocate_functions::got_prel) New function.
9795         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9796         (Relocate::relocate): Likewise.
9797         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9798
9799 2009-10-06  Ian Lance Taylor  <iant@google.com>
9800
9801         * options.h (class General_options): Define
9802         split_stack_adjust_size parameter.
9803         * object.h (class Object): Add uses_split_stack_ and
9804         has_no_split_stack_ fields.  Add uses_split_stack and
9805         has_no_split_stack accessor functions.  Declare
9806         handle_split_stack_section.
9807         (class Reloc_symbol_changes): Define.
9808         (class Sized_relobj): Define Function_offsets.  Declare
9809         split_stack_adjust, split_stack_adjust_reltype, and
9810         find_functions.
9811         * object.cc (Object::handle_split_stack_section): New function.
9812         (Sized_relobj::do_layout): Call handle_split_stack_section.
9813         * dynobj.cc (Sized_dynobj::do_layout): Call
9814         handle_split_stack_section.
9815         * reloc.cc (Sized_relobj::relocate_sections): Call
9816         split_stack_adjust for executable sections in split_stack
9817         objects.  Pass reloc_map to relocate_section.
9818         (Sized_relobj::split_stack_adjust): New function.
9819         (Sized_relobj::split_stack_adjust_reltype): New function.
9820         (Sized_relobj::find_functions): New function.
9821         * target-reloc.h: Include "object.h".
9822         (relocate_section): Add reloc_symbol_changes parameter.  Change
9823         all callers.
9824         * target.h (class Target): Add calls_non_split method.  Declare
9825         do_calls_non_split virtual method.  Declare match_view and
9826         set_view_to_nop.
9827         * target.cc: Include "elfcpp.h".
9828         (Target::do_calls_non_split): New function.
9829         (Target::match_view): New function.
9830         (Target::set_view_to_nop): New function.
9831         * gold.cc (queue_middle_tasks): Give an error if mixing
9832         split-stack and non-split-stack objects with -r.
9833         * i386.cc (Target_i386::relocate_section): Add
9834         reloc_symbol_changes parameter.
9835         (Target_i386::do_calls_non_split): New function.
9836         * x86_64.cc (Target_x86_64::relocate_section): Add
9837         reloc_symbol_changes parameter.
9838         (Target_x86_64::do_calls_non_split): New function.
9839         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9840         parameter.
9841         * powerpc.cc (Target_powerpc::relocate_section): Add
9842         reloc_symbol_changes parameter.
9843         * sparc.cc (Target_sparc::relocate_section): Add
9844         reloc_symbol_changes parameter.
9845         * configure.ac: Call AM_CONDITIONAL for the default target.
9846         * configure: Rebuild.
9847         * testsuite/Makefile.am (TEST_AS): New variable.
9848         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9849         (check_DATA): Add split_i386 and split_x86_64 files.
9850         (SPLIT_DEFSYMS): Define.
9851         (split_i386_[1234n].o): New targets.
9852         (split_i386_[124]): New targets.
9853         (split_i386_[1234r].stdout): New targets.
9854         (split_x86_64_[1234n].o): New targets.
9855         (split_x86_64_[124]): New targets.
9856         (split_x86_64_[1234r].stdout): New targets.
9857         (MOSTLYCLEANFILES): Add new executables.
9858         * testsuite/split_i386.sh: New file.
9859         * testsuite/split_x86_64.sh: New file.
9860         * testsuite/split_i386_1.s: New file.
9861         * testsuite/split_i386_2.s: New file.
9862         * testsuite/split_i386_3.s: New file.
9863         * testsuite/split_i386_4.s: New file.
9864         * testsuite/split_i386_n.s: New file.
9865         * testsuite/split_x86_64_1.s: New file.
9866         * testsuite/split_x86_64_2.s: New file.
9867         * testsuite/split_x86_64_3.s: New file.
9868         * testsuite/split_x86_64_4.s: New file.
9869         * testsuite/split_x86_64_n.s: New file.
9870         * testsuite/testfile.cc (Target_test): Update relocation_section
9871         function.
9872         * testsuite/Makefile.in: Rebuild.
9873
9874 2009-10-06  Ian Lance Taylor  <iant@google.com>
9875
9876         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9877         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9878         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9879         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9880         the address on ldo_addrs_.
9881         (Target_i386::Relocate::fix_up_ldo): New function.
9882
9883 2009-10-06   Rafael Espindola  <espindola@google.com>
9884
9885         * plugin.cc (add_input_library): New.
9886         (Plugin::load): Add add_input_library to tv.
9887         (Plugin_manager::add_input_file): Add the is_lib argument.
9888         (add_input_file): Update call to Plugin_manager::add_input_file.
9889         (add_input_library): New.
9890         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9891
9892 2009-09-30  Doug Kwan  <dougkwan@google.com>
9893
9894         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9895         symbol and call Symbol::may_need_copy_reloc to determine if
9896         a copy reloc is needed.
9897         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9898         nocopyreloc is given in command line.
9899         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9900         given in command line.
9901         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9902         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9903         of the removed Target_i386::may_need_copy_reloc.
9904         * options.h (copyreloc): New option with default value false.
9905         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9906         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9907         instead of the removed Target_powerpc::may_need_copy_reloc.
9908         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9909         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9910         instead of the removed Target_sparc::may_need_copy_reloc.
9911         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9912         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9913         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9914         instead of the removed Target_x86_64::may_need_copy_reloc.
9915
9916 2009-09-30  Ian Lance Taylor  <iant@google.com>
9917
9918         * object.h (class Object): Remove target_ field, and target,
9919         sized_target, and set_target methods.
9920         (Object::sized_target): Remove.
9921         (class Sized_relobj): Update declarations.  Remove sized_target.
9922         * object.cc (Sized_relobj::setup): Remove target parameter.
9923         Change all callers.
9924         (Input_objects::add_object): Don't do anything with the target.
9925         (make_elf_sized_object): Add punconfigured parameter.  Change all
9926         callers.  Set or test parameter target.
9927         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9928         Change all callers.
9929         * parameters.cc (Parameters::set_target): Change parameter type to
9930         be non-const.
9931         (Parameters::default_target): Remove.
9932         (set_parameters_target): Change parameter type to be non-const.
9933         (parameters_force_valid_target): New function.
9934         (parameters_clear_target): New function.
9935         * parameters.h (class Parameters): Update declarations.  Remove
9936         default_target method.  Add sized_target and clear_target
9937         methods.  Change target_ to be non-const.
9938         (set_parameters_target): Update declaration.
9939         (parameters_force_valid_target): Declare.
9940         (parameters_clear_target): Declare.
9941         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9942         as NULL if we aren't searching.
9943         (Add_symbols::run): Don't check for compatible target.
9944         * fileread.cc (Input_file::open_binary): Call
9945         parameters_force_valid_target.
9946         * gold.cc (queue_middle_tasks): Likewise.
9947         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9948         set_target on object.
9949         * dynobj.h (class Sized_dynobj): Update declarations.
9950         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9951         make_elf_object returns NULL.
9952         (Archive::include_member): Don't check whether object target is
9953         compatible.
9954         * output.cc (Output_section::add_input_section): Get target from
9955         parameters.
9956         (Output_section::relax_input_section): Likewise.
9957         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9958         parameters.
9959         (Sized_relobj::do_scan_relocs): Likewise.
9960         (Sized_relobj::relocate_sections): Likewise.
9961         * resolve.cc (Symbol_table::resolve): Likewise.
9962         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9963         parameter.  Change all callers.
9964         (Symbol_table::add_from_object): Get target from parameters.
9965         (Symbol_table::add_from_relobj): Don't check object target.
9966         (Symbol_table::add_from_dynobj): Likewise.
9967         (Symbol_table::define_special_symbol): Get target from
9968         parameters.
9969         * symtab.h (class Symbol_table): Update declaration.
9970         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9971         parameter.  Change all callers.  Clear parameter target.
9972         (Binary_test): Test target here.
9973         * testsuite/object_unittest.cc (gold_testsuite): Remove
9974         target_test_pointer parameter.  Change all callers.
9975         (Object_test): Test target here.
9976
9977 2009-09-26  Ian Lance Taylor  <iant@google.com>
9978
9979         * testsuite/initpri1.c: Don't try to use constructor priorities if
9980         compiling with gcc before 4.3.
9981
9982 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9983
9984         * testsuite/retain_symbols_file_test.sh (check_present): Change
9985         output file name to retain_symbols_file_test.stdout.
9986         (check_absent): Likewise.
9987
9988 2009-09-18  Craig Silverstein  <csilvers@google.com>
9989
9990         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9991         * options.cc: Include <cerrno> and <fstream>.
9992         (General_options::finalize): Parse -retain-symbols-file tag.
9993         * options.h: New flag.
9994         (General_options): New method should_retain_symbol, new
9995         variable symbols_to_retain.
9996         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9997         should_retain_symbol map.
9998         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9999         * testsuite/Makefile.in: Regenerate.
10000         * testsuite/retain_symbols_file_test.sh: New file.
10001
10002 2009-09-18  Nick Clifton  <nickc@redhat.com>
10003
10004         * po/es.po: Updated Spanish translation.
10005
10006 2009-09-17  Doug Kwan  <dougkwan@google.com>
10007
10008         * debug.h (DEBUG_RELAXATION): New constant.
10009         (DEBUG_ALL): Add DEBUG_RELAXATION.
10010         (debug_string_to_enum): Add relaxation debug option.
10011         * layout.cc
10012         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10013         Layout::Relaxation_debug_check::read_sections,
10014         Layout::Relaxation_debug_check::read_sections): New method definitions.
10015         (Layout::Layout): Initialize data members
10016         record_output_section_data_from_scrips_,
10017         script_output_section_data_list_ and relaxation_debug_check_.
10018         (Layout::save_segments, Layout::restore_segments,
10019         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10020         Layout::relaxation_loop_body): New method definitions.
10021         (Layout::finalize): Support relaxation.  Move section layout code to
10022         Layout::relaxation_loop_body.
10023         (Layout::set_asection_address_from_script): Move code for orphan
10024         section placement out.
10025         (Layout::place_orphan_sections_in_script): New method definition.
10026         * layout.h (Output_segment_headers, Output_file_header):
10027         New forward class declarations.
10028         (Layout::~Layout): Define.
10029         (Layout::new_output_section_data_from_script): New method definition.
10030         (Layout::place_orphan_sections_in_script): New method declaration.
10031         (Layout::Segment_states): New type declaration.
10032         (Layout::save_segments, Layout::restore_segments,
10033         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10034         Layout::relaxation_loop_body): New method declarations.
10035         (Layout::Output_section_data_list): New type declaration.
10036         (Layout::Relaxation_debug_check): New class definition.
10037         (Layout::record_output_section_data_from_script_,
10038         Layout::script_output_section_data_list_, Layout::segment_states_,
10039         Layout::relaxation_debug_check_): New data members.
10040         * output.cc: (Output_section_headers::do_size): New method definition.
10041         (Output_section_headers::Output_section_headers): Move size
10042         computation to Output_section_headers::do_size.
10043         (Output_segment_headers::do_size): New method definition.
10044         (Output_file_header::Output_file_header): Move size computation to
10045         Output_file_header::do_size and call it.
10046         (Output_file_header::do_size): New method definition.
10047         (Output_data_group::Output_data_group): Adjust call to
10048         Output_section_data.
10049         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10050         (Output_symtab_xindex::do_write): Add array bound check.
10051         (Output_section::Input_section::print_to_mapfile): Handle
10052         RELAXED_INPUT_SECTION_CODE.
10053         (Output_section::Output_section): Initialize data member checkpoint_.
10054         (Output_section::~Output_section): Delete checkpoint object pointed
10055         by checkpoint_.
10056         (Output_section::add_input_section): Always add an Input_section if
10057         relaxing.
10058         (Output_section::add_merge_input_section): Add assert.
10059         (Output_section::relax_input_section): New method definition.
10060         (Output_section::set_final_data_size): Set load address to zero for
10061         an unallocated section.
10062         (Output_section::do_address_and_file_offset_have_reset_values):
10063         New method definition.
10064         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10065         Handle relaxed input section.
10066         (Output_section::sort_attached_input_sections): Checkpoint input
10067         section list lazily.
10068         (Output_section::get_input_sections): Change type of input_sections to
10069         list of Simple_input_section pointers.  Checkpoint input section list
10070         lazily.  Also handle relaxed input sections.
10071         (Output_section::add_input_section_for_script): Take a reference to
10072         a Simple_input_section object instead of Relobj pointer and section
10073         index as parameter.  Handle relaxed input sections.
10074         (Output_section::save_states, Output_section::restore_states): New
10075         method definitions.
10076         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10077         (Output_data::is_data_size_fixed): New method definition.
10078         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10079         if it is fixed.
10080         (Output_data::address_and_file_offset_have_reset_values): New method
10081         definition.
10082         (Output_data::do_address_and_file_offset_have_reset_values): New method
10083         definition.
10084         (Output_data::set_data_size): Check that data size is not fixed.
10085         (Output_data::fix_data_size): New method definition.
10086         (Output_data::is_data_size_fixed_): New data member.
10087         (Output_section_headers::set_final_data_size): New method definition.
10088         (Output_section_headers::do_size): New method declaration.
10089         (Output_segment_headers::set_final_data_size): New method definition.
10090         (Output_segment_headers::do_size): New method declaration.
10091         (Output_file_header::set_final_data_size)::New method definition.
10092         (Output_file_header::do_size)::New method declaration.
10093         (Output_section_data::Output_section_data): Add new parameter
10094         is_data_size_fixed and use it to fix data size.
10095         (Output_data_const::Output_data_const): Adjust call to base class
10096         constructor and fix data size.
10097         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10098         base class constructor and fix data size.
10099         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10100         base class constructor and fix data size.
10101         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10102         class constructor and fix data size.
10103         (Output_data_group::set_final_data_size): New method definition.
10104         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10105         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10106         class constructor and fix data size.
10107         (Output_relaxed_input_section): New class definition.
10108         (Output_section::Simple_input_section): New class definition.
10109         (Output_section::get_input_sections): Adjust parameter list.
10110         (Output_section::add_input_section_for_script): Same.
10111         (Output_section::save_states, Output_section::restore_states,
10112         Output_section::do_address_and_file_offset_have_reset_values,
10113         (Output_section::Input_section::Input_section): Handle
10114         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10115         Output_relaxed_input_section.
10116         (Output_section::Input_section::is_input_section,
10117         Output_section::Input_section::set_output_section): Handle relaxed
10118         input section.
10119         (Output_section::Input_section::is_relaxed_input_section,
10120         Output_section::Input_section::output_section_data,
10121         Output_section::Input_section::relaxed_input_section): New method
10122         definitions.
10123         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10124         value.
10125         (Output_section::Input_section::u1_): Update comments.
10126         (Output_section::Input_section::u2_): Add new union member poris.
10127         (Output_section::Checkpoint_output_section): New classs definition.
10128         (Output_section::relax_input_section): New method declaration.
10129         (Output_section::checkpoint_): New data member.
10130         (Output_segment): Update comments.
10131         (Output_segment::Output_segment): Un-privatize copy constructor.
10132         (Output_segment::operator=): Un-privatize.
10133         * script-sections.cc (Output_section_element::Input_section_list):
10134         Change element type to Output_section::Simple_input_section.
10135         (Output_section_element_dot_assignment::set_section_addresses):
10136         Register output section data for relaxation clean up.
10137         (Output_data_exression::Output_data_expression): Adjust call to base
10138         constructor to fix data size.
10139         (Output_section_element_data::set_section_addresses): Register
10140         Output_data_expression object for relaxation clean up.
10141         (struct Input_section_info): Replace Relobj pointer and section index
10142         pair with Output_section::Simple_input_section and Convert struct to a
10143         class.
10144         (Input_section_sorter::operator()): Adjust access to
10145         Input_section_info data member to use accessors.
10146         (Output_section_element_input::set_section_addresses): Use layout
10147         parameter.  Adjust code to use Output_section::Simple_input_section
10148         and Input_secction_info classes.  Register filler for relaxation
10149         clean up.
10150         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10151         and section index pair with Output_section::Simple_input_section
10152         class.  Adjust code accordingly.
10153         (Phdrs_element::release_segment): New method definition.
10154         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10155         segment list.
10156         (Script_sections::release_segments): New method definition.
10157         * gold/script-sections.h (Script_sections::release_segments): New
10158         method declaration.
10159         * gold/target.h (Target::may_relax, Target::relax,
10160         Target::do_may_relax, Target::do_relax): New method definitions.
10161
10162 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10163
10164         * arm.cc (has_signed_unsigned_overflow): New function.
10165         (Arm_relocate_functions::abs8): New function.
10166         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10167         (Target_arm::Scan::global): Likewise.
10168         (Target_arm::relocate::relocate): Likewise.
10169         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10170         Likewise.
10171
10172 2009-09-16  Cary Coutant  <ccoutant@google.com>
10173
10174         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10175         * testsuite/Makefile.in: Regenerate.
10176
10177 2009-09-11  Nick Clifton  <nickc@redhat.com>
10178
10179         * po/gold.pot: Updated by the Translation project.
10180
10181 2009-09-08  Cary Coutant  <ccoutant@google.com>
10182
10183         * output.cc (Output_file::open): Add execute permission to empty file.
10184         * testsuite/Makefile.am (permission_test): New test.
10185         * testsuite/Makefile.in: Regenerate.
10186
10187 2009-09-02  Ian Lance Taylor  <iant@google.com>
10188
10189         * output.cc (Output_file::resize): Call map_no_anonymous rather
10190         than map.
10191
10192 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10193
10194         * gold.cc: Include "incremental.h".
10195         (queue_initial_tasks): Call Incremental_checker methods.
10196         * incremental.cc: Include "output.h".
10197         (Incremental_checker::can_incrementally_link_output_file): New
10198         method.
10199         * incremental.h (Incremental_checker): New class.
10200
10201         * output.cc (Output_file::open_for_modification): New method.
10202         (Output_file::map_anonymous): Changed return type to bool.  Record
10203         map in base_ field.
10204         (Output_file::map_no_anonymous): New method, broken out of map.
10205         (Output_file::map): Use map_no_anonymous and map_anonymous.
10206         * output.h (class Output_file): Update declarations.
10207
10208 2009-08-24  Cary Coutant  <ccoutant@google.com>
10209
10210         * options.h (Command_line::Pre_options): New class.
10211         (Command_line::pre_options): New member.
10212         * options.cc (gold::options::ready_to_register): New variable.
10213         (One_option::register_option): Do nothing if not registering options.
10214         Assert if same short option registered twice.
10215         (General_options::General_options): Turn off option registration when
10216         done constructing.
10217         (Command_line::Pre_options::Pre_options): New constructor.
10218
10219 2009-08-24  Cary Coutant  <ccoutant@google.com>
10220
10221         * options.h (General_options::no_keep_memory): Remove incorrect
10222         short option.
10223
10224 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10225
10226         * Makefile.am (am__skiplex, am__skipyacc): New.
10227         * Makefile.in: Regenerate.
10228
10229 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10230
10231         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10232         (INCLUDES): ... this.
10233         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10234         (AM_CPPFLAGS): Renamed from ...
10235         (INCLUDE): ... this.
10236         * Makefile.in, testsuite/Makefile.in: Regenerate.
10237
10238         * Makefile.in: Regenerate.
10239         * aclocal.m4: Likewise.
10240         * config.in: Likewise.
10241         * configure: Likewise.
10242         * testsuite/Makefile.in: Likewise.
10243
10244         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10245         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10246         * Makefile.in: Regenerate.
10247         * testsuite/Makefile.in: Regenerate.
10248
10249 2009-08-19  Cary Coutant  <ccoutant@google.com>
10250
10251         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10252         symbols in shared libraries overridden by hidden or internal symbols
10253         in the main program.
10254
10255 2009-08-19  Chris Demetriou  <cgd@google.com>
10256
10257         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10258         checking source file names in error messages.
10259
10260 2009-08-18  Doug Kwan  <dougkwan@google.com>
10261
10262         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10263         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10264         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10265         an elfcpp::Ehdr as parameter.
10266         * object.cc (Object::set_target): Remove the version that looks up
10267         a target and sets it.
10268         (Sized_relobj::setup): Take a Target object instead of
10269         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10270         (make_elf_sized_object): Find target and ask target to
10271         make an ELF object.
10272         * object.h: (Object::set_target): Remove the version that looks up
10273         a target and sets it.
10274         (Sized_relobj::setup): Take a Target object instead of
10275         an elfcpp:Ehdr as parameter.
10276         * target.cc: Include dynobj.h.
10277         (Target::do_make_elf_object_implementation): New.
10278         (Target::do_make_elf_object): New.
10279         * target.h (Target::make_elf_object): New template declaration.
10280         (Target::do_make_elf_object): New method declarations.
10281         (Target::do_make_elf_object_implementation): New template declaration.
10282
10283 2009-08-14  Ian Lance Taylor  <iant@google.com>
10284
10285         * gold.h (FUNCTION_NAME): Define.
10286         (gold_unreachable): Use FUNCTION_NAME.
10287
10288 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10289
10290         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10291         symbol in the --keep-unique list is not found.
10292
10293 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10294
10295         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10296         been maked as --keep-unique.
10297         (Icf::unfold_section): New function.
10298         * icf.h (Icf::unfold_section): New function.
10299         * options.h (General_options::keep_unique): New option.
10300         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10301         * testsuite/Makefile.in: Regenerate.
10302         * testsuite/icf_keep_unique_test.sh: New file.
10303         * testsuite/icf_keep_unique_test.cc: New file.
10304
10305 2009-08-12  Cary Coutant  <ccoutant@google.com>
10306
10307         PR 10471
10308         * resolve.cc (Symbol_table::resolve): Check for references from
10309         dynamic objects to hidden and internal symbols.
10310         * testsuite/Makefile.am (hidden_test.sh): New test.
10311         * testsuite/Makefile.in: Regenerate.
10312         * testsuite/hidden_test.sh: New script.
10313         * testsuite/hidden_test_1.c: New test source.
10314         * testsuite/hidden_test_main.c: New test source.
10315
10316 2009-08-11  Doug Kwan  <dougkwan@google.com>
10317
10318         * arm.cc: Update comments.
10319         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10320         segment to locate the .ARM.exidx section if present.
10321
10322 2009-08-09  Doug Kwan  <dougkwan@google.com>
10323
10324         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10325         patch.
10326
10327 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10328         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10329         compiler warnings.
10330
10331 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10332
10333         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10334         valid tls_segment only for non-debug-section relocations.
10335         * testsuite/Makefile.am: Add gc_tls_test.
10336         * testsuite/Makefile.in: Regenerate.
10337         * testsuite/gc_tls_test.cc: New file.
10338         * testsuite/gc_tls_test.sh: New file.
10339
10340 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10341
10342         * icf.cc: New file.
10343         * icf.h: New file.
10344         * Makefile.am (CCFILES): Add icf.cc.
10345         (HFILES): Add icf.h
10346         * Makefile.in: Regenerate.
10347         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10348         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10349         section, symbol and addend information for the relocs.
10350         * gold.cc (queue_middle_tasks): Call identical code folding.
10351         * gold.h: Add defines for multimap.
10352         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10353         to the call of finalize_local_symbols.
10354         * main.cc (main): Create object of class Icf.
10355         * object.cc (Sized_relobj::do_layout): Allow this function to be
10356         called twice during icf.
10357         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10358         to sections marked as identical by icf.
10359         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10360         when available.
10361         (Sized_relobj::do_section_entsize): New function.
10362         * object.h (Object::section_entsize): New function.
10363         (Object::do_section_entsize): New pure virtual function.
10364         (Relobj::finalize_local_symbols): Add new parameter.
10365         (Relobj::do_section_entsize): New function.
10366         * options.h (General_options::icf): New option.
10367         (General_options::icf_iterations): New option.
10368         (General_options::print_icf_sections): New option.
10369         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10370         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10371         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10372         icf.
10373         * symtab.cc (Symbol_table::is_section_folded): New function.
10374         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10375         to sections marked as identical by icf.
10376         * symtab.h (Symbol_table::set_icf): New function.
10377         (Symbol_table::icf): New function.
10378         (Symbol_table::is_section_folded): New function.
10379         (Symbol_table::icf_): New data member.
10380         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10381         * testsuite/Makefile.am: Add commands to build icf_test.
10382         * testsuite/Makefile.in: Regenerate.
10383         * testsuite/icf_test.sh: New file.
10384         * testsuite/icf_test.cc: New file.
10385
10386 2009-07-24  Chris Demetriou  <cgd@google.com>
10387
10388         * layout.cc (is_compressible_debug_section): Fix incorrect
10389         comment about compressed section names.
10390
10391 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10392
10393         PR 10419
10394         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10395
10396 2009-07-16  Ian Lance Taylor  <iant@google.com>
10397
10398         PR 10400
10399         * layout.h: #include <map>.
10400         (class Kept_section): Change from struct to class.  Add accessors
10401         and setters.  Add section size to Comdat_group mapping.  Change
10402         Comdat_group to std::map.  Add is_comdat_ field.  Add
10403         linkonce_size field in union.
10404         (class Layout): Update declaration of find_or_add_kept_section.
10405         Don't declare find_kept_object.
10406         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10407         parameter.  Add object, shndx, is_comdat, and is_group_name
10408         parameters.  Change all callers.  Adjust for new Kept_section.
10409         (Layout::find_kept_object): Remove.
10410         * object.cc (Sized_relobj::include_section_group): Update use of
10411         Kept_section.  Rename secnum to shndx.  Only record
10412         Kept_comdat_section if sections are the same size.
10413         (Sized_relobj::include_linkonce_section): Update use of
10414         Kept_section.  Only record Kept_comdat_section if sections are the
10415         same size.  Set size of linkonce section.
10416         (Sized_relobj::map_to_kept_section): Update call to
10417         get_kept_comdat_section.
10418         * object.h (class Sized_relobj): Rename fields in
10419         Kept_comdat_section to drop trailing underscores; change object
10420         field to Relobj*.  Change Kept_comdat_section_table to store
10421         struct rather than pointer.
10422         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10423         Add kept_object and kept_shndx parameters.  Change all callers.
10424         (Sized_relobj::get_kept_comdat_section): Change return type to
10425         bool.  Add kept_object and kept_shndx parameters.  Change all
10426         callers.
10427         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10428         Layout::find_or_add_kept_section.
10429
10430 2009-07-09  Ian Lance Taylor  <iant@google.com>
10431
10432         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10433         Reserve space in the hash table.
10434
10435 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10436
10437         * fileread.cc (File_read::get_mtime): New method.
10438         * fileread.h (Timespec): New structure.
10439         (File_read::get_mtime): New method.
10440         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10441         Renamed from timestamp_nsec.
10442         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10443         Elf_Xword.
10444         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10445         timestamp_nsec.
10446         (Incremental_inputs::report_archive): Save mtime; style fix.
10447         (Incremental_inputs::report_obejct): Save mtime; style fix.
10448         (Incremental_inputs::report_script): Save mtime; style fix.
10449         (Incremental_inputs::finalize_inputs): Style fix.
10450         (Incremental_inputs::finalize): Style fix.
10451         (Incremental_inputs::create_input_section_data): Store inputs
10452         mtime.
10453         * incremental.h (Incremental_inputs::report_script): Add mtime
10454         argument.
10455         (Incremental_inputs::Input_info::Input_info): Intialize only one
10456         union member.
10457         (Incremental_inputs::Input_info::archive): Move to nameless
10458         union.
10459         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10460         (Incremental_inputs::Input_info::script): Move to nameless union.
10461         (Incremental_inputs::mtime): New field.
10462         * script.cc (read_input_script): Pass file mtime to
10463         Incremental_input.
10464         * script.h (Script_info::inputs): Style fix.
10465
10466 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10467
10468         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10469         instead of 32.
10470
10471 2009-06-24  Ian Lance Taylor  <iant@google.com>
10472
10473         PR 10156
10474         * layout.cc (Layout::choose_output_section): If we find an
10475         existing section, update the flags.
10476         (Layout::create_notes): New function, broken out of
10477         Layout::finalize.
10478         (Layout::finalize): Don't create note sections.
10479         (Layout::create_note): Don't crash if linker script discards
10480         section.
10481         (Layout::create_gold_note): Likewise.
10482         (Layout::create_build_id): Likewise.  Don't set
10483         after_input_sections on the section.
10484         (Layout::create_executable_stack_info): Remove target parameter.
10485         Change caller.
10486         * layout.h (class Layout): Declare create_notes.  Update
10487         declaration of create_executable_stack_info.
10488         * gold.cc (queue_middle_tasks): Call create_notes.
10489         * output.cc (Output_section::update_flags_for_input_section): Move
10490         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10491         invalid.
10492         * output.h (Output_data::mark_address_invalid): New function.
10493         (class Output_section): Only declare, not define,
10494         update_flags_for_input_section.  Remove set_flags.
10495
10496 2009-06-24  Ian Lance Taylor  <iant@google.com>
10497
10498         * script-sections.cc (Output_section_definition::
10499         set_section_addresses): Rename shadowing local load_address to
10500         laddr.
10501
10502 2009-06-24  Ian Lance Taylor  <iant@google.com>
10503
10504         PR 10244
10505         * reloc.cc (relocate_sections): Skip empty relocation sections.
10506
10507 2009-06-23  Ian Lance Taylor  <iant@google.com>
10508
10509         PR 10156
10510         * layout.cc (Layout::create_note): Use choose_output_section
10511         rather than make_output_section.
10512
10513 2009-06-23  Ian Lance Taylor  <iant@google.com>
10514
10515         PR 10237
10516         * options.cc (General_options::parse_V): Set printed_version_.
10517         (General_options::General_options): Initialize printed_version_.
10518         * options.h (class General_options): Add printed_version_ field.
10519         * gold.cc (queue_initial_tasks): If there are no input files,
10520         don't give a fatal error if we printed the version information.
10521         (queue_middle_tasks): If using -r with a shared object, give a
10522         fatal error rather than an ordinary error.
10523
10524 2009-06-23  Ian Lance Taylor  <iant@google.com>
10525
10526         PR 10219
10527         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10528         (Layout::make_output_section): Set have_stabstr_section_ if we see
10529         a .stab*str section.
10530         (Layout::finalize): Call link_stabs_sections.
10531         (Layout::link_stabs_sections): New file.
10532         * layout.h (class Layout): Add have_stabstr_section_ field.
10533         Declare link_stabs_sections.
10534
10535 2009-06-23  Doug Kwan  <dougkwan@google.com>
10536
10537         * Makefile.am (libgold_a_LIBADD): New.
10538         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10539         * Makefile.in: Regenerate.
10540         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10541         * configure: Regenerate.
10542         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10543         * fileread.cc: Include sys/state.h
10544         * gold.h: Declare memmem and strndup if found missing.
10545         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10546
10547 2009-06-23  Ian Lance Taylor  <iant@google.com>
10548
10549         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10550         * configure: Rebuild.
10551
10552 2009-06-23  Ian Lance Taylor  <iant@google.com>
10553
10554         PR 10147
10555         * object.cc (Object::section_contents): Don't try to get a view if
10556         the section has length zero.
10557         (Object::handle_gnu_warning_section): If the section is empty, use
10558         the name of the section as the warning.
10559
10560 2009-06-23  Ian Lance Taylor  <iant@google.com>
10561
10562         PR 10133
10563         * stringpool.h (class Stringpool_template): Add optimize_ field.
10564         (Stringpool_template::set_optimize): New function.
10565         * stringpool.cc (Stringpool_template::Stringpool_template):
10566         Initialize optimize_ field.
10567         (Stringpool_template::set_string_offsets): Test local optimize
10568         fild rather than parameter.
10569         * layout.cc (Layout::Layout): Call set_optimize on the section
10570         name stringpool.
10571
10572 2009-06-22  Ian Lance Taylor  <iant@google.com>
10573
10574         PR 10030
10575         * yyscript.y: Parse TARGET.
10576         * script.cc (script_set_target): New function.
10577         * script-c.h (script_set_target): Declare.
10578         * options.cc (General_options::string_to_object_format): Rename
10579         from string_to_object_format in anonymous namespace.  Change
10580         callers.
10581         * options.h (class General_options): Declare
10582         string_to_object_format.
10583
10584 2009-06-22  Ian Lance Taylor  <iant@google.com>
10585
10586         * script-sections.cc (Script_sections::create_segments): Don't put
10587         program headers in a PT_LOAD segment if -n or -N.
10588
10589 2009-06-22  Ian Lance Taylor  <iant@google.com>
10590
10591         PR 10141
10592         * options.h (class General_options): Add -z lazy and -z now.  Sort
10593         -z options into alphabetical order.
10594         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10595
10596 2009-06-21  Ian Lance Taylor  <iant@google.com>
10597
10598         * layout.cc (Layout::make_output_section): Call
10599         Target::new_output_section.
10600         (Layout::attach_allocated_section_to_segment): Put large section
10601         sections in a separate load segment with the large segment flag
10602         set.
10603         (Layout::segment_precedes): Sort large data segments after other
10604         load segments.
10605         (align_file_offset): New static function.
10606         (Layout::set_segment_offsets): Use align_file_offset.
10607         * output.h (class Output_section): Add is_small_section_ and
10608         is_large_section_ fields.
10609         (Output_section::is_small_section): New function.
10610         (Output_section::set_is_small_section):  New function.
10611         (Output_section::is_large_section): New function.
10612         (Output_section::set_is_large_section): New function.
10613         (Output_section::is_large_data_section): New function.
10614         (class Output_segment): Add is_large_data_segment_ field.
10615         (Output_segment::is_large_data_segment): New function.
10616         (Output_segment::set_is_large_data_segment): New function.
10617         * output.cc (Output_section::Output_section): Initialize new
10618         fields.
10619         (Output_segment::Output_segment): Likewise.
10620         (Output_segment::add_output_section): Add assertion that large
10621         data sections always go in large data segments.  Force small data
10622         sections to the end of the list of data sections.  Force small BSS
10623         sections to the start of the list of BSS sections.  For large BSS
10624         sections to the end of the list of BSS sections.
10625         * symtab.h (class Symbol): Declare is_common_shndx.
10626         (Symbol::is_defined): Check Symbol::is_common_shndx.
10627         (Symbol::is_common): Likewise.
10628         (class Symbol_table): Define enum Commons_section_type.  Update
10629         declarations.  Add small_commons_ and large_commons_ fields.
10630         * symtab.cc (Symbol::is_common_shndx): New function.
10631         (Symbol_table::Symbol_table): Initialize new fields.
10632         (Symbol_table::add_from_object): Put small and large common
10633         symbols in the right list.
10634         (Symbol_table::sized_finalized_symbol): Check
10635         Symbol::is_common_shndx.
10636         (Symbol_table::sized_write_globals): Likewise.
10637         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10638         common symbol lists.  Don't call do_allocate_commons_list if the
10639         list is empty.
10640         (Symbol_table::do_allocate_commons_list): Remove is_tls
10641         parameter.  Add comons_section_type parameter.  Change all
10642         callers.  Handle small and large common symbols.
10643         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10644         Symbol::is_common_shndx.
10645         * resolve.cc (symbol_to_bits): Likewise.
10646         * target.h (Target::small_common_shndx): New function.
10647         (Target::small_common_section_flags): New function.
10648         (Target::large_common_shndx): New function.
10649         (Target::large_common_section_flags): New function.
10650         (Target::new_output_section): New function.
10651         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10652         small_common_section_flags, and large_common_section_flags
10653         fields.
10654         (Target::do_new_output_section): New virtual function.
10655         * arm.cc (Target_arm::arm_info): Initialize new fields.
10656         * i386.cc (Target_i386::i386_info): Likewise.
10657         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10658         Likewise.
10659         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10660         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10661         (Target_x86_64::do_new_output_section): New function.
10662         * configure.ac: Define conditional MCMODEL_MEDIUM.
10663         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10664         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10665         (large_LDFLAGS): Define.
10666         * testsuite/large.c: New file.
10667         * testsuite/testfile.cc (Target_test::test_target_info):
10668         Initialize new fields.
10669         * configure, testsuite/Makefile.in: Rebuild.
10670
10671 2009-06-05  Doug Kwan  <dougkwan@google.com>
10672
10673         * Makefile.am (CCFILES): Add target.cc.
10674         * Makefile.in: Regenerate.
10675         * i386.cc (class Target_i386): Define new virtual method to
10676         override do_is_local_label_name in parent.
10677         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10678         local symbols if --discard-locals or -X is given.
10679         * options.h (class General_options): Declare new options
10680         '--discard-locals' and '-X' for discarding locals.
10681         * target.h (class Target): Define new methods is_local_label_name.
10682         Declare new virtual method do_is_local_label_name.
10683         * target.cc: New file.
10684         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10685         (check_SCRIPTS): Add discard_locals_test.sh.
10686         (check_DATA): Add discard_local_tests.syms.
10687         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10688         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10689         * testsuite/Makefile.in: Regenerate.
10690         * testsuite/discard_locals_test.c: New file.
10691         * testsuite/discard_locals_test.sh: Same.
10692
10693 2009-06-05  Doug Kwan  <dougkwan@google.com>
10694
10695         * object.cc (Sized_relobj::Sized_relobj): Initialize
10696         discarded_eh_frame_shndx_ to -1U.
10697         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10698         section.
10699         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10700         a discarded .eh_frame section.
10701         (Sized_relobj::do_finalize_local_symbols): Ditto.
10702         * object.h (class Sized_relobj): Declare new member
10703         discarded_eh_frame_shndx_.
10704         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10705         (local_labels_test.o, local_labels_test): New rules.
10706         * testsuite/Makefile.in: Regenerate.
10707
10708 2009-06-04  Doug Kwan  <dougkwan@google.com>
10709
10710         * layout.cc (Layout::section_name_mapping): Add mapping for
10711         special ARM sections.
10712
10713 2009-06-03  Doug Kwan  <dougkwan@google.com>
10714
10715         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10716         (utils::has_overflow): Same.
10717
10718 2009-06-03  Ian Lance Taylor  <iant@google.com>
10719
10720         * layout.cc (Layout::section_name_mapping): New array, replacing
10721         Layout::linkonce_mapping.
10722         (Layout::section_name_mapping_count): New variable, replacing
10723         Layout::linkonce_mapping_count.
10724         (Layout::linkonce_output_name): Remove.
10725         (Layout::output_section_name): Rewrite.
10726         * layout.h (class Layout): Rename Linkonce_mapping to
10727         Section_name_mapping, linkonce_mapping to section_name_mapping,
10728         linkonce_mapping_count to section_name_mapping_count.  Don't
10729         declare linkonce_output_name.
10730
10731 2009-06-03  Doug Kwan  <dougkwan@google.com>
10732
10733         * gold/arm.cc (namespace utils): New.
10734         (Target_arm::reloc_is_non_pic): Define new method.
10735         (class Arm_relocate_functions): New.
10736         (Target_arm::Relocate::relocate): Handle relocation types used by
10737         Android.
10738
10739 2009-06-03  Ian Lance Taylor  <iant@google.com>
10740
10741         * arm.cc (Target_arm::scan::global): Use || instead of |.
10742
10743 2009-06-02  Doug Kwan  <dougkwan@google.com>
10744
10745         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10746         issued_non_pic_error_.
10747         (class Target_arm::Scan): Declare new method check_non_pic.
10748         Define new method symbol_needs_plt_entry.
10749         Declare new data member issued_non_pic_error_.
10750         (class Target_arm::Relocate): Declare new method
10751         should_apply_static_reloc.
10752         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10753         (Target_arm::Scan::check_non_pic): Define new method.
10754         (Target_arm::Scan::local): Handle a small subset of reloc types used
10755         by Android.
10756         (Target_arm::Scan::local): Same.
10757         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10758
10759 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10760
10761         * incremental.cc (Incremental_inputs::report_command_line): Filter
10762         out --incremental-* options.
10763
10764 2009-05-29  Doug Kwan  <dougkwan@google.com>
10765
10766         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10767         template class.
10768         (class Target_arm): Update comment.
10769         (Target_arm::Target_arm): Initialize new data members GOT_,
10770         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10771         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10772         and Target_arm::rel_dyn_section.
10773         Declare new_enum Target_arm::Got_type.
10774         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10775         and DYNBSS_.
10776         Update commments for member do_dynsym_value.
10777         (Target_arm::got_size, Target_arm::plt_section,
10778         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10779         new methods inside class defintion.
10780         (Target_arm::got_section): Define new method.
10781         (Target_arm::rel_dyn_section): Same.
10782         (Output_data_plt_arm): New template class.
10783         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10784         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10785         (Output_data_plt_arm::add_entry): Same.
10786         (Output_data_plt_arm::first_plt_entry): Define new
10787         static data member for PLT instruction template.
10788         (Output_data_plt_arm::plt_entry): Same.
10789         (Output_data_plt_arm::do_write): Define new method.
10790         (Target_arm::make_plt_entry): Same.
10791         (Target_arm::do_finalize_sections): Same.
10792         (Target_arm::do_dynsym_value): Same.
10793
10794 2009-05-28  Doug Kwan  <dougkwan@google.com>
10795
10796         * Makefile.am (TARGETSOURCES): Add arm.cc.
10797         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10798         * Makefile.in: Regenerate.
10799         * arm.cc: New file.
10800         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10801
10802 2009-05-26  Doug Kwan  <dougkwan@google.com>
10803
10804         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10805         (General_options::check_excluded_libs): Strip off directories in
10806         archive name before matching like GNU ld does.
10807         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10808         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10809         (exclude_libs_test_LDFLAGS): Add linker option
10810         -Wl,--exclude-libs,libexclude_libs_test_3
10811         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10812         an explicit archive without using -l.
10813         (alt/libexclude_libs_test_3.a): New make rule.
10814         * testsuite/Makefile.in: Regenerate.
10815         * testsuite/exclude_libs_test.c : Declare lib3_default().
10816         (main): Call it.
10817         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10818         * exclude_libs_test_3.c: New file.
10819
10820 2009-05-26  Nick Clifton  <nickc@redhat.com>
10821
10822         * po/id.po: New Indonesian translation.
10823         * po/gold.pot: Updated template file.
10824
10825 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10826
10827         * testsuite/Makefile.am: Add -ffunction-sections to compile
10828         gc_comdat_test files.  Add -Wl,--gc-sections to build
10829         gc_comdat_test.
10830         * testsuite/Makefile.in: Regenerate.
10831         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10832
10833 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10834
10835         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10836         kept comdat section was garbage collected.
10837         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10838         * testsuite/Makefile.in: Regenerate.
10839         * testsuite/gc_comdat_test.sh: New file.
10840         * testsuite/gc_comdat_test_1.cc: New file.
10841         * testsuite/gc_comdat_test_2.cc: New file.
10842
10843 2009-05-19  Doug Kwan  <dougkwan@google.com>
10844
10845         * archive.cc (Archive::Archive): Move constructor from archive.h
10846         to here.  Initialize no_export_.
10847         (Archive::get_elf_object_for_member): Set no_export flag of object.
10848         * archive.h (Archive::Archive): Move constructor body to
10849         archive.cc.
10850         (Archive::no_export): New method.
10851         (Archive::no_export_): New field.
10852         * object.h (Object::Object): Initialize no_export_ to false.
10853         (Object::no_export, Object::set_no_export): New methods.
10854         (Object::no_export_): New field.
10855         * options.cc (General_options::parse_exclude_libs): New method.
10856         (General_options::check_excluded_libs) Same.
10857         * options.h (exclude_libs): New option.
10858         (General_options::check_excluded_libs): New method declaration.
10859         (General_options::excluded_libs_): New field.
10860         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10861         default or protected visibility if an object has no-export flag set.
10862         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10863         (check_SCRIPTS): Add exclude_libs_test.sh.
10864         (check_DATA): Add exclude_libs_test.syms.
10865         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10866         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10867         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10868         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10869         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10870         libexclude_libs_test_2.a): New rules.
10871         * testsuite/Makefile.in: Regenerate.
10872         * testsuite/exclude_libs_test.c: New file.
10873         * testsuite/exclude_libs_test.sh: Ditto.
10874         * testsuite/exclude_libs_test_1.c: Ditto.
10875         * testsuite/exclude_libs_test_2.c: Ditto.
10876
10877 2009-05-15  Ian Lance Taylor  <iant@google.com>
10878
10879         * configure.ac: Check for declarations for cases where libiberty.h
10880         checks HAVE_DECL_xxx.
10881         * configure, config.in: Rebuild.
10882
10883 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10884
10885         * gold.h (Incremental_argument_list): Remove (invalid) forward
10886         declaration.
10887         * incremental.cc (Incremental_inputs::report_achive): New method.
10888         (Incremental_inputs::report_object): New method.
10889         (Incremental_inputs::report_script): New method.
10890         (Incremental_inputs::finalize_inputs): New method.
10891         (Incremental_inputs::finalize): Call finalize_inputs().
10892         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10893         Create inputs entries.
10894         * incremental.h (Incremental_input_type): New enum.
10895         (Incremental_inputs::Incremental_input): Initialize new fields.
10896         (Incremental_inputs::report_inputs): New method.
10897         (Incremental_inputs::report_achive): New method.
10898         (Incremental_inputs::report_object): New method.
10899         (Incremental_inputs::report_script): New method.
10900         (Incremental_inputs::finalize_inputs): New method.
10901         (Incremental_inputs::Input_info): New struct.
10902         (Incremental_inputs::Input_info_map): New typedef.
10903         (Incremental_inputs::lock_): New field.
10904         (Incremental_inputs::Inputs_): New field.
10905         (Incremental_inputs::Inputs_map): New field.
10906         * main.cc (main): Call Incremental_input::report_inputs.
10907         * options.h (Input_argument_list): Typedef moved from
10908         Input_arguments.
10909         (Input_file_group::Files): Remove, use ::Input_argument_list.
10910         (Input_file_group::Input_argument_list): Remove, use
10911         ::Input_argument_list.
10912         * plugin.cc (Plugin_manager::add_input_file): Add error in
10913         incremental build.
10914         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10915         functions.
10916         * script.cc (read_input_script): Call
10917         Incremental_input::report_script.
10918         * script.h (Script_info): New class.
10919
10920 2009-04-27  Ian Lance Taylor  <iant@google.com>
10921
10922         * x86_64.cc (do_adjust_output_section): Set entsize to
10923         plt_entry_size.
10924
10925 2009-04-23  Elliott Hughes  <enh@google.com>
10926
10927         * output.cc (Output_file::close): After short writes, continue
10928         writing from the correct offset in the buffer being written.
10929
10930 2009-04-23  Chris Demetriou  <cgd@google.com>
10931
10932         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10933         * configure: Regenerate.
10934         * config.in: Regenerate.
10935         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10936         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10937
10938 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10939
10940         * incremental.cc (Incremental_inputs_header_data): Renamed from
10941         Incremental_input_header_data.
10942         (Incremental_inputs_header_data::data_size): New field.
10943         (Incremental_inputs_header_data::put_input_file_count): Renamed
10944         from input_file_count.
10945         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10946         from command_line_offset.
10947         (Incremental_inputs_header_data::put_reserved): Renamed from
10948         put_reserved.
10949         (Incremental_inputs_entry_data): Renamed from
10950         Incremental_input_entry_data.
10951         (Incremental_inputs_entry_data::data_size): New field.
10952         (Incremental_inputs::report_command_line): New method.
10953         (Incremental_inputs::finalize): New method.
10954         (Incremental_inputs::create_incremental_inputs_data): New method.
10955         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10956         * incremental.h: New file.
10957         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10958         (Layout::finalize): Create incremental inputs section in
10959         incremental builds.
10960         (Layout::create_incremental_info_sections): New method.
10961         * layout.h (Layout::incremental_inputs): New method.
10962         (Layout::create_incremental_info_sections): New method.
10963         (Layout::incremental_inputs_): New field.
10964         * main.cc (main): Notify Incremental_input of the command line.
10965
10966 2009-04-01  Ian Lance Taylor  <iant@google.com>
10967             Mikolaj Zalewski  <mikolajz@google.com>
10968
10969         * gold.h (reserve_unordered_map): Define, three versions, one for
10970         each version of Unordered_map.
10971         * layout.cc (Layout::Layout): Remove options parameter.  Add
10972         number_of_input_files parameter.  Don't initialize options_.
10973         Initialize number_of_input_files_ and resized_signatures_.  Move
10974         sections_are_attached_.
10975         (Layout::layout_group): Reserve space for group_signatures_.
10976         (Layout::find_or_add_kept_section): Change name parameter to be a
10977         reference.  Resize signatures_ map when it gets large enough.
10978         (Layout::layout_eh_frame): Use parameters->options() instead of
10979         this->options_.
10980         (Layout::make_output_section): Likewise.
10981         (Layout::attach_allocated_section_to_segment): Likewise.
10982         (Layout::finalize, Layout::create_executable_stack): Likewise.
10983         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10984         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10985         * layout.h (class Layout): Update declarations.  Remove options_
10986         field.  Add number_of_input_files_ and resized_signatures_
10987         fields.  Move sections_are_attached_ field.
10988         * main.cc (main): Pass number of input files to Layout
10989         constructor.  Don't pass options.
10990
10991 2009-03-30  Ian Lance Taylor  <iant@google.com>
10992
10993         * ffsll.c (ffsll): Correct implementation.
10994
10995 2009-03-27  Ian Lance Taylor  <iant@google.com>
10996
10997         * ffsll.c: New file.
10998         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10999         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11000         * ftruncate.c (ftruncate): Declare before definition.
11001         * mremap.c (mremap): Likewise.
11002         * pread.c (pread): Likewise.
11003         * configure, Makefile.in, config.in: Rebuild.
11004
11005         * mremap.c: New file.
11006         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11007         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11008         (mremap): Declare if HAVE_MREMAP is not defined.
11009         * configure, Makefile.in, config.in: Rebuild.
11010
11011 2009-03-27  Cary Coutant  <ccoutant@google.com>
11012
11013         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11014         position independent.
11015         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11016         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11017
11018 2009-03-24  Cary Coutant  <ccoutant@google.com>
11019
11020         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11021         an executable.
11022         (needs_dynamic_reloc): Likewise.
11023
11024 2009-03-24  Ian Lance Taylor  <iant@google.com>
11025
11026         * yyscript.y (file_cmd): Recognize EXTERN.
11027         (extern_name_list, extern_name_list_body): New nonterminals.
11028         * script.cc (script_add_extern): Define.
11029         * script-c.h (script_add_extern): Declare.
11030
11031 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11032
11033         * object.cc (is_elf_object): Define.
11034         * object.h (is_elf_object): Declare.
11035         * archive.cc (Archive::get_elf_object_for_member): Call
11036         is_elf_object.
11037         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11038
11039 2009-03-24  Elliott Hughes  <enh@google.com>
11040
11041         * output.cc (Output_file::map_anonymous): Define.
11042         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11043         try an anonymous one.  Report the size if the mmap fails.
11044         * output.h (class Output_file): Declare map_anonymous.
11045
11046 2009-03-24  Ian Lance Taylor  <iant@google.com>
11047
11048         * target-select.cc (instantiate_target): Don't acquire the lock if
11049         the instantiated_target_ field has already been set.
11050
11051 2009-03-23  Ian Lance Taylor  <iant@google.com>
11052
11053         * gold-threads.h (class Initialize_lock): Define.
11054         * gold-threads.cc (class Initialize_lock_once): Define.
11055         (initialize_lock_control): New static variable.
11056         (initialize_lock_pointer): New static variable.
11057         (initialize_lock_once): New static function.
11058         (Initialize_lock::Initialize_lock): Define.
11059         (Initialize_lock::initialize): Define.
11060         * target-select.h: Include "gold-threads.h".
11061         (class Target_selector): Add lock_ and initialize_lock_ fields.
11062         Don't define instantiate_target, just declare it.
11063         * target-select.cc (Target_selector::Target_selector): Initialize
11064         new fields.
11065         (Target_selector::instantiate_target): Define.
11066         * descriptors.h: Include "gold-threads.h".
11067         (class Descriptors): Add initialize_lock_ field.
11068         * descriptors.cc (Descriptors::Descriptors): Initialize new
11069         field.
11070         (Descriptors::open): Use initialize_lock_ field
11071         * errors.h (class Errors): Add initialize_lock_ field.
11072         * errors.cc (Errors::Errors): Initialize new field.
11073         (Errors::initialize_lock): Use initialize_lock_ field.
11074         * powerpc.cc (class Target_selector_powerpc): Remove
11075         instantiated_target_ field.  In do_recognize call
11076         instantiate_target rather than do_instantiate_target.  In
11077         do_instantiate_target just allocate a new target.
11078         * sparc.cc (class Target_selector_sparc): Likewise.
11079
11080         * freebsd.h: New file.
11081         * i386.cc: Include "freebsd.h".
11082         (Target_i386): Derive from Target_freebsd rather than
11083         Sized_target.
11084         (Target_selector_i386): Derive from Target_selector_freebsd rather
11085         than Target_selector.
11086         * x86_64.cc: Include "freebsd.h".
11087         (Target_x86_64): Derive from Target_freebsd rather than
11088         Sized_target.
11089         (Target_selector_x86_64): Derive from Target_selector_freebsd
11090         rather than Target_selector.
11091         * target.h (class Target): Add adjust_elf_header and
11092         do_adjust_elf_header.
11093         * output.cc (Output_file_header:: do_sized_write): Call target
11094         adjust_elf_header routine.
11095         * configure.tgt: Set targ_osabi.
11096         * configure.ac: Define GOLD_DEFAULT_OSABI.
11097         * parameters.cc (Parameters::default_target): Pass
11098         GOLD_DEFAULT_OSABI to select_target.
11099         * target-select.h (class Target_selector): Make instantiate_target
11100         protected rather than private.
11101         * Makefile.am (HFILES): Add freebsd.h.
11102         * configure, Makefile.in, config.in: Rebuild.
11103
11104         * merge.cc (do_add_input_section): Correct pend value.  Change
11105         message about last entry not being null terminated from error to
11106         warning.
11107
11108 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11109
11110         * incremental.cc: New file.
11111         * Makefile.am (CCFILES): Add incremental.cc.
11112         * Makefile.in: Rebuild.
11113
11114 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11115
11116         * layout.cc (Layout::output_section_name): Preserve names
11117         of '.note.' sections.
11118
11119 2009-03-19  Ian Lance Taylor  <iant@google.com>
11120
11121         * descriptors.cc (Descriptors::open): Check that the options are
11122         valid before using them.
11123
11124 2009-03-18  Ian Lance Taylor  <iant@google.com>
11125
11126         * script-sections.h: Include <list>.
11127         (class Script_sections): Change Sections_elements from std::vector
11128         to std::list.  Typedef public Elements_iterator.  Add
11129         orphan_section_placement_, data_segment_align_start_, and
11130         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11131         field.
11132         * script-sections.cc (class Orphan_section_placement): New class.
11133         (class Sections_element): Add virtual functions is_relro and
11134         orphan_section_init.  Remove virtual function place_orphan_here.
11135         (class Output_section_definition): Add is_relro and
11136         orphan_section_init.  Remove place_orphan_here.
11137         (class Orphan_output_section): Likewise.
11138         (Script_sections::Script_sections): Update for field changes.
11139         (Script_sections::data_segment_align): Set saw_data_segment_align_
11140         and data_segment_align_start_, not data_segment_align_index.
11141         (Script_sections::data_segment_relro_end): Check
11142         saw_data_segment_align_.  Use data_segment_align_start_ rather
11143         than data_segment_align_index_.
11144         (Script_sections::place_orphan): Rewrite to use
11145         Orphan_section_placement.
11146
11147 2009-03-17  Ian Lance Taylor  <iant@google.com>
11148
11149         * archive.cc (Archive::add_symbols): Check for a version attached
11150         to the symbol name in the archive map.
11151         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11152         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11153         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11154         (ver_test_11.a): New target.
11155         * testsuite/Makefile.in: Rebuild.
11156
11157         * configure.ac: Check for chsize and posix_fallocate.  Replace
11158         ftruncate.
11159         * ftruncate.c: New file, from gnulib.
11160         * output.cc (posix_fallocate): Define dummy version if not
11161         HAVE_POSIX_FALLOCATE.
11162         (Output_file::map): Call posix_fallocate rather than lseek and
11163         write.
11164         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11165         * configure, Makefile.in, config.in: Rebuild.
11166
11167 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11168
11169         * layout.h (Layout::create_note): Add section_name parameter.
11170         * layout.cc (Layout::create_note): Likewise.
11171         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11172
11173 2009-03-17  Ian Lance Taylor  <iant@google.com>
11174
11175         * descriptors.cc: Include "options.h".
11176         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11177         (Descriptors::open): Always use O_CLOEXEC when opening a new
11178         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11179         then set FD_CLOEXEC.
11180
11181         * sparc.cc (class Target_sparc): Add has_got_section.
11182         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11183         make sure we have a GOT section.
11184
11185         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11186         (Target_sparc::Scan::local): Likewise.
11187         (Target_sparc::Scan::global): Likewise.
11188         (Target_sparc::Relocate::relocate): Likewise.
11189         (Target_sparc::Relocate::relocate_tls): Likewise.
11190
11191         * symtab.cc (Symbol_table::define_default_version): New function,
11192         broken out of add_from_object.
11193         (Symbol_table::add_from_object): Call define_default_version.
11194         (Symbol_table::define_special_symbol): Add resolve_oldsym
11195         parameter.  Change all callers.  If the version for a symbol comes
11196         from a version script, resolve it with the symbol with the same
11197         name with no version.  Also add the symbol without a version if
11198         appropriate.
11199         (do_define_in_output_data): If resolving with oldsym, don't delete
11200         sym.
11201         (do_define_in_output_segment): Likewise.
11202         (do_define_as_constant): Likewise.
11203         * symtab.h (class Symbol_table): Update declarations.
11204
11205 2009-03-13  Ian Lance Taylor  <iant@google.com>
11206
11207         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11208         (Read_symbols::requeue): New function.
11209         (Read_symbols::do_read_symbols): If make_elf_object fails because
11210         the target type is not configured, and the file was searched for,
11211         issue a warning and retry with the next directory.
11212         (Add_symbols::run): If the file has an incompatible format, and
11213         it was searched for, requeue the Read_symbols task.  On error,
11214         release the object.
11215         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11216         dirindex parameter to constructor.  Change all callers.  Declare
11217         incompatible_warning and requeue.
11218         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11219         input_argument_ and input_group_ fields.  Add them to
11220         constructor.  Change all callers.
11221         (class Read_script): Add dirindex_ field.  Add it to constructor.
11222         Change all callers.
11223         * archive.cc (Archive::setup): Remove input_objects parameter.
11224         Change all callers.
11225         (Archive::get_file_and_offset): Likewise.
11226         (Archive::read_all_symbols): Likewise.
11227         (Archive::read_symbols): Likewise.
11228         (Archive::get_elf_object_for_member): Remove input_objects
11229         parameter.  Add punconfigured parameter.  Change all callers.
11230         (Archive::add_symbols): Change return type to bool.  Check return
11231         value of include_member.
11232         (Archive::include_all_members): Likewise.
11233         (Archive::include_member): Change return type to bool.  Return
11234         false if first included object has incompatible target.  Set
11235         included_member_ field.
11236         (Add_archive_symbols::run): If add_symbols returns false, requeue
11237         Read_symbols task.
11238         * archive.h (class Archive): Add included_member_ field.
11239         Initialize it in constructor.  Add input_file and searched_for
11240         methods.  Update declarations.
11241         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11242         input_argument_ fields.  Add them to constructor.  Change all
11243         callers.
11244         * script.cc: Include "target-select.h".
11245         (class Parser_closure): Add skip_on_incompatible_target_ and
11246         found_incompatible_target_ fields.  Add
11247         skip_on_incompatible_target parameter to constructor.  Change all
11248         callers.  Add methods skip_on_incompatible_target,
11249         clear_skip_on_incompatible_target, found_incompatible_target, and
11250         set_found_incompatible_target.
11251         (read_input_script): Add dirindex parameter.  Change all callers.
11252         If parser finds an incompatible target, requeue Read_symbols
11253         task.
11254         (script_set_symbol): Clear skip_on_incompatible_target in
11255         closure.
11256         (script_add_assertion, script_parse_option): Likewise.
11257         (script_start_sections, script_add_phdr): Likewise.
11258         (script_check_output_format): New function.
11259         * script.h (read_input_script): Update declaration.
11260         * script-c.h (script_check_output_format): Declare.
11261         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11262         (ignore_cmd): Remove OUTPUT_FORMAT.
11263         * fileread.cc (Input_file::Input_file): Add explicit this.
11264         (Input_file::will_search_for): New function.
11265         (Input_file::open): Add pindex parameter.  Change all callers.
11266         * fileread.h (class Input_file): Add input_file_argument method.
11267         Declare will_search_for.  Update declarations.
11268         * object.cc (make_elf_object): Add punconfigured parameter.
11269         Change all callers.
11270         * object.h (class Object): Make input_file public.  Add
11271         searched_for method.
11272         (make_elf_object): Update declaration.
11273         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11274         restart search.
11275         * dirsearch.h (class Dirsearch): Update declaration.
11276         * options.h (class General_options): Add --warn-search-mismatch.
11277         * parameters.cc (Parameters::is_compatible_target): New function.
11278         * parameters.h (class Parameters): Declare is_compatible_target.
11279         * workqueue.cc (Workqueue::add_blocker): New function.
11280         * workqueue.h (class Workqueue): Declare add_blocker.
11281
11282         * fileread.cc (Input_file::open): Remove options parameter.
11283         Change all callers.
11284         (Input_file::open_binary): Likewise.
11285         * script.cc (read_input_script): Likewise.
11286         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11287         options parameter from constructor.  Change all callers.
11288         (class Read_script): Likewise.
11289         * fileread.h (class Input_file): Update declarations.
11290         * script.h (read_input_script): Update declaration.
11291
11292 2009-03-10  Nick Clifton  <nickc@redhat.com>
11293
11294         * po/es.po: New Spanish translation.
11295
11296 2009-03-06  Cary Coutant  <ccoutant@google.com>
11297
11298         * options.cc (parse_short_option): Keep dash_z from registering itself.
11299
11300 2009-03-03  Ian Lance Taylor  <iant@google.com>
11301
11302         PR 9918
11303         * target-reloc.h (relocate_section): Pass output_section to
11304         relocate.
11305         * i386.cc (Target_i386::should_apply_static_reloc): Add
11306         output_section parameter.  Change all callers.
11307         (Target_i386::Relocate::relocate): Add output_section parameter.
11308         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11309         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11310         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11311         * testsuite/two_file_shared.sh: New script.
11312         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11313         (check_DATA): Add two_file_shared.dbg.
11314         (two_file_shared.dbg): New target.
11315         * testsuite/Makefile.in: Rebuild.
11316
11317 2009-03-01  Ian Lance Taylor  <iant@google.com>
11318
11319         * configure.ac: Check for byteswap.h.
11320         * configure: Rebuild.
11321         * config.in: Rebuild.
11322
11323 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11324
11325         * layout.cc (Layout::find_or_add_kept_section): New function.
11326         (Layout::add_comdat): Removed.
11327         * layout.h (struct Kept_section): Move out of class Layout.
11328         Remove trailing underscores from field names.  Add group_sections
11329         field.  Rename group_ field to is_group.  Change all uses.
11330         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11331         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11332         comdat_groups_ field.
11333         (Sized_relobj::include_section_group): Use
11334         find_or_add_kept_section and Kept_section::group_sections.
11335         (Sized_relobj::include_linkonce_section): Likewise.
11336         * object.cc (class Sized_relobj): Don't define Comdat_group or
11337         Comdat_group_table.  Remove find_comdat_group and
11338         add_comdat_group.  Remove comdat_groups_ field.
11339         * plugin.cc (include_comdat_group): Use
11340         Layout::find_or_add_kept_section.
11341
11342 2009-02-28  Ian Lance Taylor  <iant@google.com>
11343
11344         * README: --gc-sections and map files are now supported.  Document
11345         some build requirements.
11346
11347         PR 6992
11348         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11349         relocatable link set the value of the section symbol to zero.
11350         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11351         relocatable link don't include the section address in the local
11352         symbol value.
11353
11354 2009-02-27  Ian Lance Taylor  <iant@google.com>
11355
11356         PR 6811
11357         * options.h (class Search_directory): Add is_system_directory.
11358         (class General_options): Declare is_in_system_directory.
11359         * options.cc (get_relative_sysroot): Make static.
11360         (get_default_sysroot): Make static.
11361         (General_optoins::is_in_system_directory): New function.
11362         * fileread.cc (Input_file::is_in_system_directory): New function.
11363         * fileread.h (class Input_file): Declare is_in_system_directory.
11364         * object.h (class Object): Add is_in_system_directory.
11365         (class Input_objects): Remove system_library_directory_ field.
11366         * object.cc (Input_objects::add_object): Don't set
11367         system_library_directory_.
11368         (input_objects::found_in_system_library_directory): Remove.
11369         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11370         parameter.  Change all callers.
11371         (Symbol_table::sized_write_globals): Likewise.
11372         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11373         Call Object::is_in_system_directory.
11374         * symtab.h (class Symbol_table): Update declarations.
11375
11376         PR 5990
11377         * descriptors.h (Open_descriptor): Add is_on_stack field.
11378         * descriptors.cc (Descriptors::open): If the descriptor is on the
11379         top of the stack, remove it.  Initialize is_on_stack field.
11380         (Descriptors::release): Only add pod to stack if it is not on the
11381         stack already.
11382         (Descriptors::close_some_descriptor): Clear stack_next and
11383         is_on_stack fields.
11384
11385         PR 7091
11386         * output.cc (Output_section::find_starting_output_address): Rename
11387         from starting_output_address; add PADDR parameter; change return
11388         type.
11389         * output.h (class Output_section): Declare
11390         find_starting_output_address instead of starting_output_address.
11391         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11392         section symbol for which we can't find a merge section.
11393
11394         PR 9836
11395         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11396         hidden or internal, force the symbol to be local.
11397         * resolve.cc (Symbol::override_visibility): Define.
11398         (Symbol::override_base): Use override_visibility.
11399         (Symbol_table::resolve): Likewise.
11400         (Symbol::override_base_with_special): Likewise.
11401         (Symbol_table::override_with_special): If the visibility is hidden
11402         or internal, force the symbol to be local.
11403         * symtab.h (class Symbol): Add set_visibility and
11404         override_visibility.
11405         * testsuite/ver_test_1.sh: New file.
11406         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11407         (check_DATA): Add ver_test_1.syms.
11408         (ver_test_1.syms): New target.
11409         * testsuite/Makefile.in: Rebuild.
11410
11411 2009-02-25  Cary Coutant  <ccoutant@google.com>
11412
11413         * layout.cc (Layout::choose_output_section): Don't rename sections
11414         when using a linker script that has a SECTIONS clause.
11415         * Makefile.in: Regenerate.
11416
11417         * testsuite/Makefile.am (script_test_5.sh): New test case.
11418         * testsuite/Makefile.in: Regenerate.
11419         * testsuite/script_test_5.cc: New file.
11420         * testsuite/script_test_5.sh: New file.
11421         * testsuite/script_test_5.t: New file.
11422
11423 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11424
11425         * archive.cc (Archive::include_member): Update calls to add_symbols.
11426         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11427         the Layout argument.
11428         * dynobj.h (do_add_symbols): Add the Layout argument.
11429         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11430         Layout argument.
11431         * object.h (Object::add_symbols): Add the Layout argument.
11432         (Object::do_add_symbols): Add the Layout argument.
11433         (Sized_relobj::do_add_symbols): Add the Layout argument.
11434         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11435         Unify the two versions.
11436         (Add_plugin_symbols): Remove.
11437         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11438         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11439         (Add_plugin_symbols): Remove.
11440         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11441         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11442         (Add_symbols::run): Make it work with Pulginobj.
11443
11444 2009-02-06  Ian Lance Taylor  <iant@google.com>
11445
11446         * object.cc (Sized_relobj::do_layout): Make info message start
11447         with lower case letter.
11448
11449 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11450
11451         * binary.cc: Fix file comment.
11452
11453         * options.h (enum Incremental_disposition): Define.
11454         (class General_options): Add new options: --incremental,
11455         --incremental_changed, --incremental_unchanged,
11456         --incremental_unknown.  Add incremental_disposition_ and
11457         implicit_incremental_ fields.
11458         (General_options::incremental_disposition): New function.
11459         (class Position_dependent_options): Add incremental_disposition
11460         option.
11461         (Position_dependent_options::copy_from_options): Set incremental
11462         dispositions.
11463         * options.cc (General_options::parse_incremental_changed): New
11464         function.
11465         (General_options::parse_incremental_unchanged): New function.
11466         (General_options::parse_incremental_unknown): New function.
11467         (General_options::General_options): Initialize new fields
11468         incremental_disposition_ and implicit_incremental_.
11469         (General_options::finalize): Check for uasge of --incremental-*
11470         without --incremental.
11471
11472 2009-02-06  Chris Demetriou  <cgd@google.com>
11473
11474         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11475         pointer and to report location as the file name associated with
11476         the symbol.
11477         (gold_undefined_symbol_at_location): New function to replace the
11478         old gold_undefined_symbol functionality.
11479         * target-reloc.h (relocate_section): Update to use
11480         gold_undefined_symbol_at_location.
11481         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11482         Call gold_undefined_symbol function rather than gold_error.
11483         * errors.h (Errors::undefined_symbol): Take location as a
11484         string, rather than calculating it from a relocation.
11485         * errors.cc (Errors::fatal): Print "fatal error:" before the
11486         formatted message.
11487         (Errors::error, Errors::error_at_location): Print "error: "
11488         before the formatted message.
11489         (Errors::undefined_symbol): Take location as a string, rather
11490         than calculating it from a relocation.
11491         (gold_undefined_symbol_at_location): New function akin to
11492         old gold_undefined_symbol, calculates location from relocation.
11493         (gold_undefined_symbol): Change to take only a Symbol pointer
11494         and to report location as the file name associated with the symbol.
11495         * testsuite/debug_msg.sh: Update for changed error messages.
11496         * testsuite/undef_symbol.sh: Likewise.
11497
11498 2009-02-04  Duncan Sands  <baldrick@free.fr>
11499
11500         PR 9812
11501         * reduced_debug_output.h
11502         (Output_reduced_debug_abbrev_section::failed): Use format for
11503         gold_warning.
11504         (Output_reduced_debug_info_section::faild): Likewise.
11505
11506 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11507
11508         * script.cc (Lazy_demangler): New class.
11509         (Version_script_info::get_symbol_version_helper): Demangle a
11510         symbol only once.
11511
11512 2009-01-29  Cary Coutant  <ccoutant@google.com>
11513
11514         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11515         to __tls_get_addr.
11516         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11517
11518 2009-01-28  Ian Lance Taylor  <iant@google.com>
11519
11520         * version.cc (version_string): Bump to 1.9.
11521
11522         * gold.h: Include <cstring> and <stdint.h>.
11523         * version.cc: Include <cstdio>.
11524         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11525         warning.
11526         * reduced_debug_output.cc (insert_into_vector): Rename from
11527         Insert_into_vector; change all callers.  Use Swap_unaligned to
11528         avoid aliasing issue; remove union since it is unnecessary.
11529
11530 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11531
11532         * Makefile.am (CCFILES): Add gc.cc.
11533         (HFILES): Add gc.h.
11534         * Makefile.in: Regenerate.
11535         * gold.cc (Gc_runner): New class.
11536         (queue_initial_tasks): Call garbage collection related tasks
11537         when corresponding options are invoked.
11538         (queue_middle_gc_tasks): New function.
11539         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11540         processed early before laying out sections during garbage collection.
11541         * gold.h (queue_middle_gc_tasks): New function.
11542         (is_prefix_of): Move from "layout.cc".
11543         * i386.cc (Target_i386::gc_process_relocs): New function.
11544         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11545         * main.cc (main): Create object of class "Garbage_collection".
11546         * object.cc (Relobj::copy_symbols_data): New function.
11547         (Relobj::is_section_name_included): New function.
11548         (Sized_relobj::do_layout): Allow this function to be called twice
11549         during garbage collection and defer layout of section during the
11550         first call.
11551         * object.h (Relobj::get_symbols_data): New function.
11552         (Relobj::is_section_name_included): New function.
11553         (Relobj::copy_symbols_data): New function.
11554         (Relobj::set_symbols_data): New function.
11555         (Relobj::get_relocs_data): New function.
11556         (Relobj::set_relocs_data): New function.
11557         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11558         (Relobj::gc_process_relocs): New function.
11559         (Relobj::do_gc_process_relocs): New pure virtual function.
11560         (Relobj::sd_): New data member.
11561         (Sized_relobj::is_output_section_offset_invalid): New function.
11562         (Sized_relobj::do_gc_process_relocs): New function.
11563         * options.h (General_options::gc_sections): Modify to not be a no-op.
11564         (General_options::print_gc_sections): New option.
11565         * plugin.cc (Plugin_finish::run): Remove function call to
11566         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11567         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11568         * reloc.cc (Read_relocs::run): Add task to process relocs and
11569         determine unreferenced sections when doing garbage collection.
11570         (Gc_process_relocs): New class.
11571         (Sized_relobj::do_gc_process_relocs): New function.
11572         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11573         sections that are garbage collected.
11574         * reloc.h (Gc_process_relocs): New class.
11575         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11576         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11577         symbols whose corresponding sections are garbage collected.
11578         (Symbol_table::Symbol_table): Add new parameter for the garbage
11579         collection object.
11580         (Symbol_table::gc_mark_undef_symbols): New function.
11581         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11582         (Symbol_table::gc_mark_dyn_syms): New function.
11583         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11584         as garbage.
11585         (Symbol_table::add_from_object): Likewise.
11586         (Symbol_table::add_from_relobj): When building shared objects, do not
11587         treat externally visible symbols as garbage.
11588         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11589         table information for static and relocatable links.
11590         * symtab.h (Symbol_table::set_gc): New function.
11591         (Symbol_table::gc): New function.
11592         (Symbol_table::gc_mark_undef_symbols): New function.
11593         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11594         (Symbol_table::gc_mark_dyn_syms): New function.
11595         (Symbol_table::gc_): New data member.
11596         * target.h (Sized_target::gc_process_relocs): New pure virtual
11597         function.
11598         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11599         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11600
11601 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11602
11603         * options.h (General_options::gc_sections): Define as a no-op for now.
11604         (General_options::no_keep_memory): Ditto.
11605         (General_options::Bshareable): Define.
11606         * options.cc (General_options::finalize): Honor -Bshareable.
11607
11608 2009-01-20  Andreas Schwab  <schwab@suse.de>
11609
11610         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11611         read the value in the contents, since we don't use it.  Use the
11612         template endianness when writing.
11613         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11614
11615 2009-01-19  Andreas Schwab  <schwab@suse.de>
11616
11617         * configure.tgt (powerpc64-*): Fix targ_obj.
11618
11619 2009-01-15  Ian Lance Taylor  <iant@google.com>
11620
11621         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11622         local symbols when stripping all symbols.
11623
11624 2009-01-14  Cary Coutant  <ccoutant@google.com>
11625
11626         * output.cc (Output_reloc): Add explicit instantiations.
11627
11628 2009-01-14  Cary Coutant  <ccoutant@google.com>
11629
11630         * archive.cc (Archive::get_elf_object_for_member): Remove call
11631         to File_read::claim_for_plugin.
11632         * descriptors.cc (Descriptors::open): Remove reference to
11633         is_claimed.
11634         (Descriptors::claim_for_plugin): Remove.
11635         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11636         (Descriptors::is_claimed): Remove.
11637         (claim_descriptor_for_plugin): Remove.
11638         * fileread.cc (File_read::claim_for_plugin): Remove.
11639         * fileread.h (File_read::claim_for_plugin): Remove.
11640         (File_read::descriptor): Reopen descriptor if necessary.
11641         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11642         (Plugin_manager::all_symbols_read): Add task parameter. Change
11643         all callers.
11644         (Plugin_manager::get_input_file): New function.
11645         (Plugin_manager::release_input_file): New function.
11646         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11647         corresponding data member.
11648         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11649         and pass to base constructor. Change all callers.
11650         (get_input_file, release_input_file): New functions.
11651         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11652         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11653         (Plugin_manager::all_symbols_read): Add task parameter.
11654         (Plugin_manager::get_input_file): New function.
11655         (Plugin_manager::release_input_file): New function.
11656         (Plugin_manager::task_): New data member.
11657         (Pluginobj::Pluginobj): Add filesize parameter.
11658         (Pluginobj::filename): New function.
11659         (Pluginobj::descriptor): New function.
11660         (Pluginobj::filesize): New function.
11661         (Pluginobj::filesize_): New data member.
11662         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11663         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11664         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11665
11666         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11667         with archive libraries.
11668         * testsuite/Makefile.in: Regenerate.
11669         * testsuite/plugin_test.c (struct sym_info): New type.
11670         (get_input_file, release_input_file): New static variables.
11671         (onload): Capture new transfer vector entries.
11672         (claim_file_hook): Stop reading at end of file according to filesize.
11673         Factor out parsing of readelf output into separate function.
11674         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11675         APIs and get the source file name from the symbol table.  Convert
11676         source file name to corresponding object file name.  Print info
11677         message when adding new input files.
11678         (parse_readelf_line): New function.
11679         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11680         * testsuite/plugin_test_2.sh: Likewise.
11681         * testsuite/plugin_test_3.sh: Likewise.
11682         * testsuite/plugin_test_4.sh: New test case.
11683
11684 2009-01-07  Ian Lance Taylor  <iant@google.com>
11685
11686         * version.cc (version_string): Bump to 1.8.
11687
11688 2008-12-23  Cary Coutant  <ccoutant@google.com>
11689
11690         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11691         * plugin.cc (Plugin_manager::finish): Rename as
11692         layout_deferred_objects.  Move cleanup to separate function.
11693         (Plugin_manager::cleanup): New function.
11694         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11695         separately.
11696         * plugin.h (Plugin_manager::finish): Rename as
11697         layout_deferred_objects.
11698         (Plugin_manager::cleanup): New function.
11699         (Plugin_manager::cleanup_done): New field.
11700
11701 2008-12-23  Cary Coutant  <ccoutant@google.com>
11702
11703         * plugin.cc (is_visible_from_outside): New function.
11704         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11705         so we don't return "IR only" status for exported symbols or -r links.
11706
11707         * testsuite/Makefile.am (plugin_test_3): New test case.
11708         * testsuite/Makefile.in: Regenerate.
11709         * testsuite/plugin_test_3.sh: New file.
11710
11711 2008-12-22  Cary Coutant  <ccoutant@google.com>
11712
11713         * object.cc (Sized_relobj::layout_section): New function.
11714         (Sized_relobj::do_layout): Defer layout of input sections until after
11715         plugin has provided replacement files.
11716         (Sized_relobj::do_layout_deferred_sections): New function.
11717         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11718         (Relobj::layout_deferred_sections): New function.
11719         (Relobj::do_layout_deferred_sections): New function.
11720         (Sized_relobj::do_layout_deferred_sections): New function.
11721         (Sized_relobj::layout_section): New function.
11722         (Sized_relobj::Deferred_layout): New structure.
11723         (Sized_relobj::deferred_layout_): New field.
11724         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11725         Change all callers.  Layout deferred sections.
11726         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11727         references.
11728         (Plugin_hook::run): Move code from do_plugin_hook inline.
11729         (Plugin_hook::do_plugin_hook): Remove.
11730         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11731         (Plugin_manager::finish): Renamed, was cleanup.
11732         (Plugin_manager::should_defer_layout): New function.
11733         (Plugin_manager::add_deferred_layout_object): New function.
11734         (Plugin_manager::Deferred_layout_list): New type.
11735         (Plugin_manager::deferred_layout_objects_): New field.
11736         (Plugin_hook::do_plugin_hook): Remove.
11737
11738 2008-12-17  Ian Lance Taylor  <iant@google.com>
11739
11740         * options.h (class General_options): Add --no case for
11741         --export-dynamic.
11742
11743 2008-12-16  Cary Coutant  <ccoutant@google.com>
11744
11745         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11746         vector.
11747         (Plugin_manager::claim_file): Create plugin object even if
11748         plugin did not call the add_symbols callback.
11749         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11750         asking for more symbols than were added.
11751         * testsuite/Makefile.am (plugin_test_1): Add test case with
11752         no global symbols.
11753         (empty.syms): New target.
11754         * testsuite/Makefile.in: Regenerate.
11755         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11756         message. Don't call add_symbols if no globals.
11757         (all_symbols_read_hook): Don't provide replacement for empty
11758         claimed file.
11759
11760 2008-12-12  Ian Lance Taylor  <iant@google.com>
11761
11762         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11763         r_type == 0 for a local symbol with r_sym == 0.
11764         (scan_relocatable_relocs): Pass r_sym to
11765         local_non_section_strategy.
11766         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11767         r_sym parameter.
11768
11769         * configure.ac: Update test for TLS descriptors: they are
11770         supported as of glibc 2.9.
11771         * configure: Rebuild.
11772
11773 2008-12-11  Ian Lance Taylor  <iant@google.com>
11774
11775         PR 7091
11776         * target-reloc.h (Default_scan_relocatable_relocs): For each
11777         function, map r_type == 0 to RELOC_DISCARD.
11778
11779 2008-12-10  Cary Coutant  <ccoutant@google.com>
11780
11781         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11782         object to override a kept COMDAT group from a plugin object.
11783
11784 2008-12-09  Ian Lance Taylor  <iant@google.com>
11785
11786         PR 7088
11787         * yyscript.y (file_cmd): Handle INPUT.
11788
11789         * testsuite/initpri1.c: Change all declarations to be full
11790         prototypes by adding void, to avoid compiler warnings.
11791
11792 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11793
11794         * options.cc (General_options::parse_plugin_opt): New.
11795         (General_options::add_plugin): The argument now is just the filename.
11796         (General_options::add_plugin_option): New.
11797         * options.h (plugin_opt): New.
11798         (add_plugin): Change argument name.
11799         (add_plugin_option): New.
11800         * plugin.cc (Plugin::load): Don't parse the plugin option.
11801         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11802         (Plugin::add_option): New.
11803         (Plugin::args_): Change type.
11804         (Plugin::filename_): New.
11805         (Plugin_manager::add_plugin_option): New.
11806         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11807         * testsuite/Makefile.in: Regenerate.
11808
11809 2008-12-05  Cary Coutant  <ccoutant@google.com>
11810
11811         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11812         Handle --strip-lto-sections option.
11813         * options.h (strip_lto_sections): New option.
11814
11815 2008-12-01  Cary Coutant  <ccoutant@google.com>
11816
11817         * plugin.cc (ld_plugin_message): Change format parameter to const.
11818         Fix mismatch between new[] and delete.
11819
11820 2008-11-14  Cary Coutant  <ccoutant@google.com>
11821
11822         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11823         instead of -1U.
11824
11825 2008-11-05  Craig Silverstein  <csilvers@google.com>
11826
11827         * options.cc (General_options::parse_dynamic_list): New function.
11828         * options.h (General_options): New flags dynamic_list,
11829         dynamic_list_data, dynamic_list_cpp_new, and
11830         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11831         (General_options::in_dynamic_list): New function.
11832         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11833         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11834         (Lex::can_continue_name): Likewise.
11835         (yylex): Likewise.
11836         (read_script_file): New parameter script_options.
11837         (read_dynamic_list): New function.
11838         (Script_options::define_dynamic_list): New function.
11839         (dynamic_list_keyword_parsecodes): New variable.
11840         (dynamic_list_keywords): New variable.
11841         * script.h (Script_options::define_dynamic_list): New function
11842         prototype.
11843         (read_dynamic_list): New function prototype.
11844         * symtab.cc (strprefix): New macro.
11845         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11846         dynamic_list_data, dynamic_list_cpp_new, and
11847         dynamic_list_cpp_typeinfo.
11848         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11849         (dynamic_list_expr): New rule.
11850         (dynamic_list_nodes): Likewise.
11851         (dynamic_list_node): Likewise.
11852         * testsuite/Makefile.am (dynamic_list): New test.
11853         * testsuite/Makefile.in: Regenerated.
11854         * testsuite/dynamic_list.t: New file.
11855         * testsuite/dynamic_list.sh: New file.
11856
11857 2008-11-05  Craig Silverstein  <csilvers@google.com>
11858
11859         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11860         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11861         (t11_last): Likewise.
11862         * testsuite/ver_test_6.c (main): Likewise.
11863
11864 2008-10-07  Cary Coutant  <ccoutant@google.com>
11865
11866         * options.c (General_options::finalize): Add check for -static and
11867         -shared.
11868         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11869         is not empty.
11870
11871 2008-10-02  Cary Coutant  <ccoutant@google.com>
11872
11873         * plugin.cc (make_sized_plugin_object): Fix conditional
11874         compilation to work when not all targets are enabled.
11875
11876 2008-09-29  Cary Coutant  <ccoutant@google.com>
11877
11878         * archive.cc (Archive::get_file_and_offset): Use filename instead
11879         of name to get library path.
11880         (Archive::include_member): Unlock external member of a thin archive.
11881
11882         * testsuite/Makefile.am (TEST_AR): New variable.
11883         (thin_archive_test_1): New test.
11884         (thin_archive_test_2): New test.
11885         * testsuite/Makefile.in: Regenerate.
11886         * testsuite/thin_archive_main.cc: New file.
11887         * testsuite/thin_archive_test_1.cc: New file.
11888         * testsuite/thin_archive_test_2.cc: New file.
11889         * testsuite/thin_archive_test_3.cc: New file.
11890         * testsuite/thin_archive_test_4.cc: New file.
11891
11892 2008-09-29  Cary Coutant  <ccoutant@google.com>
11893
11894         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11895         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11896         instead of -1U.
11897         (Sized_relobj::do_finalize_local_symbols): Likewise.
11898         (Sized_relobj::map_to_kept_section): Likewise.
11899         * object.h (Sized_relobj::invalid_address): New constant.
11900         (Sized_relobj::do_output_section_offset): Check for invalid_address
11901         and return -1ULL.
11902         * output.cc (Output_reloc::local_section_offset): Use constant
11903         invalid_address instead of -1U.
11904         (Output_reloc::get_address): Likewise.
11905         (Output_section::output_address): Change -1U to -1ULL.
11906         * output.h (Output_reloc::invalid_address): New constant.
11907         * reloc.cc (Sized_relobj::write_sections): Use constant
11908         invalid_address instead of -1U.
11909         (Sized_relobj::relocate_sections): Likewise.
11910         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11911         values for merge sections.
11912         * target-reloc.h (relocate_for_relocatable): Use constant
11913         invalid_address instead of -1U.
11914
11915 2008-09-19  Cary Coutant  <ccoutant@google.com>
11916
11917         Add plugin functionality for link-time optimization (LTO).
11918         * configure.ac (plugins): Add --enable-plugins option.
11919         * configure: Regenerate.
11920         * config.in: Regenerate.
11921         * Makefile.am (LIBDL): New variable.
11922         (CCFILES): Add plugin.cc.
11923         (HFILES): Add plugin.h.
11924         (ldadd_var): Add LIBDL.
11925         * Makefile.in: Regenerate.
11926
11927         * archive.cc: Include "plugin.h".
11928         (Archive::setup): Don't preread archive symbols when using a plugin.
11929         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11930         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11931         files.
11932         (Archive::include_member): Add symbols from plugin objects.
11933         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11934         * descriptors.cc (Descriptors::open): Check for file descriptors
11935         abandoned by plugins.
11936         (Descriptors::claim_for_plugin): New function.
11937         * descriptors.h (Descriptors::claim_for_plugin): New function.
11938         (Open_descriptor::is_claimed): New field.
11939         (claim_descriptor_for_plugin): New function.
11940         * fileread.cc (File_read::claim_for_plugin): New function.
11941         * fileread.h (File_read::claim_for_plugin): New function.
11942         (File_read::descriptor): New function.
11943         * gold.cc: Include "plugin.h".
11944         (queue_initial_tasks): Add task to call plugin hooks for generating
11945         new object files.
11946         * main.cc: Include "plugin.h".
11947         (main): Load plugin libraries.
11948         * object.h (Pluginobj): Declare.
11949         (Object::pluginobj): New function.
11950         (Object::do_pluginobj): New function.
11951         (Object::set_target): New function.
11952         * options.cc: Include "plugin.h".
11953         (General_options::parse_plugin): New function.
11954         (General_options::General_options): Initialize plugins_ field.
11955         (General_options::add_plugin): New function.
11956         * options.h (Plugin_manager): Declare.
11957         (General_options): Add --plugin option.
11958         (General_options::has_plugins): New function.
11959         (General_options::plugins): New function.
11960         (General_options::add_plugin): New function.
11961         (General_options::plugins_): New field.
11962         * plugin.cc: New file.
11963         * plugin.h: New file.
11964         * readsyms.cc: Include "plugin.h".
11965         (Read_symbols::do_read_symbols): Check for archive before checking
11966         for ELF file.  Call plugin hooks to claim files.
11967         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11968         from a real object file; force override when processing replacement
11969         files.
11970         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11971         (Symbol::init_base_object): Likewise.
11972         (Symbol::init_base_output_data): Likewise.
11973         (Symbol::init_base_output_segment): Likewise.
11974         (Symbol::init_base_constant): Likewise.
11975         (Symbol::init_base_undefined): Likewise.
11976         (Symbol::output_section): Assert that object is not a plugin.
11977         (Symbol_table::add_from_pluginobj): New function.
11978         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11979         undefined.
11980         (Symbol_table::sized_write_globals): Likewise.
11981         (Symbol_table::add_from_pluginobj): Instantiate template.
11982         * symtab.h (Sized_pluginobj): Declare.
11983         (Symbol::in_real_elf): New function.
11984         (Symbol::set_in_real_elf): New function.
11985         (Symbol::in_real_elf_): New field.
11986         (Symbol_table::add_from_pluginobj): New function.
11987
11988         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11989         (LIBDL): New variable.
11990         (LDADD): Add LIBDL.
11991         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11992         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11993         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11994         (MOSTLYCLEANFILES): Likewise.
11995         * testsuite/Makefile.in: Regenerate.
11996         * testsuite/plugin_test.c: New file.
11997         * testsuite/plugin_test_1.sh: New file.
11998         * testsuite/plugin_test_2.sh: New file.
11999
12000 2008-09-16  Ian Lance Taylor  <iant@google.com>
12001
12002         * target-reloc.h (relocate_section): Check whether a symbol is
12003         defined by the ABI before reporting an undefined symbol error.
12004         * target.h (Target::is_defined_by_abi): Make parameter const.
12005         (Target::do_is_defined_by_abi): Likewise.
12006         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12007         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12008         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12009         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12010         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12011         * testsuite/Makefile.in: Rebuild.
12012
12013         * fileread.cc (make_view): Add casts to avoid warning.
12014
12015 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12016
12017         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12018         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12019
12020 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12021
12022         * options.h (General_options::output_is_executable): New.
12023         (General_options::output_is_pie): New.
12024         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12025         for shared libraries.
12026         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12027
12028 2008-09-11  Chris Demetriou  <cgd@google.com>
12029
12030         * options.h (origin): New -z option.
12031         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12032         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12033         in DT_FLAGS_1.
12034
12035 2008-09-05  Cary Coutant  <ccoutant@google.com>
12036
12037         * fileread.cc (File_read::make_view): Add check for attempt to map
12038         beyond end of file.
12039
12040 2008-09-05  Cary Coutant  <ccoutant@google.com>
12041
12042         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12043         explicit instantiations.
12044
12045 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12046
12047         PR gold/6858
12048         * options.cc (General_options::finalize): Allow undefined symbols
12049         in shlibs if linking -shared.
12050
12051         PR gold/6859
12052         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12053         symbols as not needing a dynsym entry.
12054
12055 2008-08-20  Craig Silverstein  <csilvers@google.com>
12056
12057         * fileread.cc (File_read::open): Do not lock the file unless it
12058         was successfully opened.
12059
12060 2008-08-14  Cary Coutant  <ccoutant@google.com>
12061
12062         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12063         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12064         * testsuite/tls_test.cc (struct int128): 128-bit struct
12065         for testing TLS relocs with non-zero addend.
12066         (v12): New TLS variable.
12067         (t12): New test.
12068         (t_last): Add check for v12.
12069         * testsuite/tls_test.h (t12): New function.
12070         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12071
12072 2008-08-13  Ian Lance Taylor  <iant@google.com>
12073
12074         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12075         set tls_segment_ or relro_segment_.
12076         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12077         when appropriate.
12078         * output.h (Output_section::clear_is_relro): New function.
12079         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12080         sections specially even when output_data_ is empty.
12081         (Output_segment::maximum_alignment): When first section is relro,
12082         only force alignment for PT_LOAD segments.
12083         * script.cc (script_data_segment_align): New function.
12084         (script_data_segment_relro_end): New function.
12085         * script-c.h (script_data_segment_align): Declare.
12086         (script_data_segment_relro_end): Declare.
12087         * script-sections.h (class Script_sections): Declare
12088         data_segment_align and data_segment_relro_end.  Add fields
12089         segment_align_index_ and saw_relro_end_.
12090         * script-sections.cc (class Sections_element): Add set_is_relro
12091         virtual function.  Add new bool* parameter to place_orphan_here.
12092         Add get_output_section virtual function.
12093         (class Output_section_definition): Add set_is_relro.  Add new
12094         bool* parameter to place_orphan_here.  Add get_output_section.
12095         Add is_relro_ field.
12096         (Output_section_definition::Output_section_definition): Initialize
12097         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12098         and is_relro_ fields.
12099         (Output_section_definition::place_orphan_here): Add is_relro
12100         parameter.
12101         (Output_section_definition::set_section_addresses): Set relro for
12102         output section.
12103         (Output_section_definition::alternate_constraint): Likewise.
12104         (class Orphan_output_section): Add new bool* parameter to
12105         place_orphan_here.  Add get_output_section.
12106         (Orphan_output_section::place_orphan_here): Add is_relro
12107         parameter.
12108         (Script_sections::Script_sections): Initialize
12109         data_segment_align_index_ and saw_relro_end_.
12110         (Script_sections::data_segment_align): New function.
12111         (Script_sections::data_segment_relro_end): New function.
12112         (Script_sections::place_orphan): Set or clear is_relro.
12113         (Script_sections::set_section_addresses): Force alignment of first
12114         TLS section.
12115         * yyscript.y (exp): Call script_data_segment_align and
12116         script_data_segment_relro_end.
12117         * testsuite/relro_script_test.t: New file.
12118         * testsuite/relro_test.cc (using_script): Declare.
12119         (t1, t2): Test using_script.
12120         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12121         (relro_script_test_SOURCES): Define.
12122         (relro_script_test_DEPENDENCIES): Define.
12123         (relro_script_test_LDFLAGS): Define.
12124         (relro_script_test_LDADD): Define.
12125         (relro_script_test.so): New target.
12126         * testsuite/Makefile.in: Rebuild.
12127
12128 2008-08-06  Cary Coutant <ccoutant@google.com>
12129
12130         * archive.cc (Archive::total_archives, Archive::total_members)
12131         (Archive::total_members_loaded): New variables.
12132         (Archive::setup): Add parameter.  Add option to preread
12133         archive symbols.
12134         (Archive::read_armap): Add counter.
12135         (Archive::get_file_and_offset): New function.
12136         (Archive::get_elf_object_for_member): New function.
12137         (Archive::read_all_symbols): New function.
12138         (Archive::read_symbols): New function.
12139         (Archive::add_symbols): Add counters.
12140         (Archive::include_all_members): Use armap to find members if it's
12141         already built.
12142         (Archive::include_member): Skip reading symbols if already read.
12143         Factored code into Archive::get_file_and_offset and
12144         Archive::get_elf_object_for_member.  Changed call to
12145         Mapfile::report_include_archive_member.
12146         (Archive::print_stats): New function.
12147         * archive.h: Declare Object and Read_symbols_data classes.
12148         (Archive::Archive): Add initializers for new members.
12149         (Archive::setup): Add parameter.
12150         (Archive::print_stats): New function.
12151         (Archive::total_archives, Archive::total_members)
12152         (Archive::total_members_loaded): New variables.
12153         (Archive::get_file_and_offset): New function.
12154         (Archive::get_elf_object_for_member): New function.
12155         (Archive::read_all_symbols): New function.
12156         (Archive::read_symbols): New function.
12157         (Archive::Archive_member): New class.
12158         (Archive::members_): New member.
12159         (Archive::num_members_): New member.
12160         * main.cc: Include archive.h.
12161         (main): Call Archive::print_stats.
12162         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12163         archive parameter; member_name is now the fully-decorated name.
12164         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12165         * options.h: (General_options): Add --preread-archive-symbols option.
12166         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12167         Archive::setup.
12168
12169 2008-08-04  Ian Lance Taylor  <iant@google.com>
12170
12171         * symtab.h (Symbol::use_plt_offset): New function.
12172         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12173         * powerpc.cc (Relocate::relocate): Likewise.
12174         * sparc.cc (Relocate::relocate): Likewise.
12175         * x86_64.cc (Relocate::relocate): Likewise.
12176         * testsuite/weak_plt.sh: New test.
12177         * testsuite/weak_plt_main.cc: New test.
12178         * testsuite/weak_plt_shared.cc: New test.
12179         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12180         (check_PROGRAMS): Add weak_plt.
12181         (check_DATA): Add weak_plt_shared.so.
12182         (weak_plt_main_pic.o, weak_plt): New targets.
12183         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12184         * testsuite/Makefile.in: Rebuild.
12185
12186         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12187         gcctestdir/ld.
12188         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12189         * testsuite/Makefile.in: Rebuild.
12190
12191 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12192
12193         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12194         * Makefile.in: Regenerate.
12195         * po/POTFILES.in: Regenerate.
12196
12197 2008-07-29  Ian Lance Taylor  <iant@google.com>
12198
12199         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12200         symbols before other symbols.
12201         * testsuite/script_test_2.cc (test_addr): Declare.
12202         (test_addr_alias): Declare.
12203         (main): Check that test_addr and test_addr_alias have the right
12204         values.
12205         * testsuite/script_test_2.t: Define test_addr_alias and
12206         test_addr.
12207
12208 2008-07-24  Ian Lance Taylor  <iant@google.com>
12209
12210         PR 5990
12211         * descriptors.cc: New file.
12212         * descriptors.h: New file.
12213         * gold-threads.h (class Hold_optional_lock): New class.
12214         * fileread.cc: Include "descriptors.h".
12215         (File_read::~File_read): Release descriptor rather than closing
12216         it.
12217         (File_read::open) [file]: Call open_descriptor rather than open.
12218         Set is_descriptor_opened_.
12219         (File_read::open) [memory]: Assert that descriptor is not open.
12220         (File_read::reopen_descriptor): New function.
12221         (File_read::release): Release descriptor.
12222         (File_read::do_read): Make non-const.  Reopen descriptor.
12223         (File_read::read): Make non-const.
12224         (File_read::make_view): Reopen descriptor.
12225         (File_read::do_readv): Likewise.
12226         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12227         Update declarations.
12228         * layout.cc: Include "descriptors.h".
12229         (Layout::create_build_id): Use open_descriptor rather than open.
12230         * output.cc: Include "descriptors.h".
12231         (Output_file::open): Use open_descriptor rather than open.
12232         * archive.cc (Archive::const_iterator): Change Archive to be
12233         non-const.
12234         (Archive::begin, Archive::end): Make non-const.
12235         (Archive::count_members): Likewise.
12236         * archive.h (class Archive): Update declarations.
12237         * object.h (Object::read): Make non-const.
12238         * Makefile.am (CCFILES): Add descriptors.cc.
12239         (HFILES): Add descriptors.h.
12240         * Makefile.in: Rebuild.
12241
12242         PR 6716
12243         * gold.h: Always include <clocale>.  Add Solaris workarounds
12244         following code in binutils/sysdep.h.
12245
12246         PR 6048
12247         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12248         this->eh_frame_hdr_ is NULL before using it.
12249
12250         * dynobj.cc (Versions::Versions): Update comment.
12251
12252         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12253         the base version name.
12254
12255         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12256         array size plus one.
12257         (Stringpool_template::set_string_offsets): Subtract one from key
12258         before using it as an array index.
12259         (Stringpool_template::get_offset_with_length): Likewise.
12260         (Stringpool_template::write_to_buffer): Likewise.
12261         * stringpool.h (Stringpool_template::get_offset_from_key):
12262         Likewise.
12263
12264 2008-07-23  Ian Lance Taylor  <iant@google.com>
12265
12266         PR 6658
12267         * object.h (Merged_symbol_value::value): Do our best to handle a
12268         negative addend.
12269
12270         PR 6647
12271         * script.cc (Version_script_info::get_versions): Don't add empty
12272         version tag to return value.
12273         (Version_script_info::get_symbol_version_helper): Change return
12274         type to bool.  Add pversion parameter.  Change all callers.
12275         (script_register_vers_node): Don't require a non-NULL tag.
12276         * script.h (class Version_script_info): Update declarations.
12277         (Version_script_info::get_symbol_version): Change return type to
12278         bool.  Add version parameter.  Change all callers.
12279         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12280         handling.  Handle an empty version from a version script.
12281         (Symbol_table::define_special_symbol): Likewise.
12282         * testsuite/ver_test_10.script: New file.
12283         * testsuite/ver_test_10.sh: New file.
12284         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12285         (check_DATA): Add ver_test_10.syms.
12286         (ver_test_10.syms, ver_test_10.so): New target.
12287         * testsuite/Makefile.in: Rebuild.
12288
12289 2008-07-23  Simon Baldwin  <simonb@google.com>
12290
12291         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12292         to zero for undefined symbols from dynamic libraries.
12293
12294 2008-07-23  Ian Lance Taylor  <iant@google.com>
12295
12296         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12297         Change all callers.
12298         * symtab.h (class Symbol_table): Update declaration.
12299         * testsuite/ver_test_9.cc: New file.
12300         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12301         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12302         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12303         (ver_test_9.so, ver_test_9.o): New targets.
12304         * testsuite/Makefile.in: Rebuild.
12305
12306 2008-07-22  Ian Lance Taylor  <iant@google.com>
12307
12308         * options.h (class General_options): Define --check-sections.
12309         * layout.cc (Layout::set_segment_offsets): Handle
12310         --check-sections.
12311
12312         * options.h (class General_options): Define -n/--nmagic and
12313         -N/--omagic.
12314         * options.cc (General_options::finalize): For -n/--nmagic or
12315         -N/--omagic, set -static.
12316         * layout.cc (Layout::attach_allocated_section_to_segment): If
12317         -N/--omagic, don't put read-only and read-write sections in
12318         different segments.
12319         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12320         finding a read-only segment.
12321         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12322         don't set the minimum segment alignment to the common page size,
12323         and don't set the file offset to the address modulo the page size.
12324         * script-sections.cc (Script_sections::create_segments): If
12325         -n/--omagic, don't put read-only and read-write sections in
12326         different segments.
12327
12328         * cref.cc: New file.
12329         * cref.h: New file.
12330         * options.h (class General_options): Add --print-symbol-counts.
12331         * main.cc (main): Issue defined symbol report if requested.
12332         * archive.cc (Archive::interpret_header): Make into a const member
12333         function.
12334         (Archive::add_symbols): Call Input_objects::archive_start and
12335         archive_stop.
12336         (Archive::const_iterator): Define new class.
12337         (Archive::begin, Archive::end): New functions.
12338         (Archive::include_all_members): Rewrite to use iterator.
12339         (Archive::count_members): New function.
12340         * archive.h (class Archive): Update declarations.
12341         (Archive::filename): New function.
12342         * object.cc: Include "cref.h".
12343         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12344         (Sized_relobj::do_get_global_symbol_counts): New function.
12345         (Input_objects::add_object): Add object to cross-referencer.
12346         (Input_objects::archive_start): New function.
12347         (Input_objects::archive_stop): New function.
12348         (Input_objects::print_symbol_counts): New function.
12349         * object.h: Declare Cref and Archive.
12350         (Object::get_global_symbol_counts): New function.
12351         (Object::do_get_global_symbol_counts): New pure virtual function.
12352         (class Sized_relobj): Add defined_count_ field.  Update
12353         declarations.
12354         (class Input_objects): Add cref_ field.  Update constructor.
12355         Update declarations.
12356         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12357         defined_count_.
12358         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12359         symbol counts.
12360         (Sized_dynobj::do_get_global_symbol_counts): New function.
12361         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12362         defined_count_.  Update declarations.  Define Symbols typedef.
12363         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12364         parameter.  Change all callers.
12365         (Symbol_table::add_from_dynobj): Add sympointers and defined
12366         parameters.  Change all callers.
12367         * symtab.h (class Symbol_table): Update declarations.
12368         * Makefile.am (CCFILES): Add cref.cc.
12369         (HFILES): Add cref.h.
12370         * Makefile.in: Rebuild.
12371
12372 2008-07-22  Simon Baldwin  <simonb@google.com>
12373
12374         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12375         to zero when writing undefined symbols.
12376
12377 2008-07-22  Ian Lance Taylor  <iant@google.com>
12378
12379         * output.cc (Output_section::add_input_section): Don't try to
12380         merge empty merge sections.
12381
12382 2008-07-21  Craig Silverstein  <csilvers@google.com>
12383
12384         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12385         Include symbol version in error message.
12386
12387 2008-07-20  Chris Demetriou  <cgd@google.com>
12388
12389         * configure.ac (gold_cv_c_random_seed): New configured variable.
12390         (RANDOM_SEED_CFLAGS): New substituted variable.
12391         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12392         * configure: Rebuild.
12393         * Makefile.in: Likewise.
12394         * testsuite/Makefile.in: Likewise.
12395
12396 2008-07-18  Ian Lance Taylor  <iant@google.com>
12397
12398         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12399         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12400         * testsuite/ver_test_main.cc (main): Call t4.
12401         (t4, t4_2a): Define.
12402         * testsuite/ver_test_2.cc (t4_2): Define.
12403         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12404         * testsuite/ver_test_4.cc (t4_2a): Define.
12405         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12406         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12407
12408 2008-07-17  Ian Lance Taylor  <iant@google.com>
12409
12410         * dynobj.cc (Versions::add_def): If we give an error about a
12411         missing version, go ahead and create the version anyhow.
12412
12413 2008-07-10  Ian Lance Taylor  <iant@google.com>
12414
12415         Handle output sections with more than 0x7fffffff bytes.
12416         * object.h (class Relobj): Change map_to_output_ to
12417         output_sections_, and just keep a section pointer.  Change all
12418         uses.  Move comdat group support to Sized_relobj.
12419         (Relobj::is_section_specially_mapped): Remove.
12420         (Relobj::output_section): Remove poff parameter.  Change all
12421         callers.
12422         (Relobj::output_section_offset): New function.
12423         (Relobj::set_section_offset): Rewrite.
12424         (Relobj::map_to_output): Remove.
12425         (Relobj::output_sections): New function.
12426         (Relobj::do_output_section_offset): New pure virtual function.
12427         (Relobj::do_set_section_offset): Likewise.
12428         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12429         group support from Relobj.  Update declarations.
12430         (Sized_relobj::get_output_section_offset): New function.
12431         (Sized_relobj::do_output_section_offset): New function.
12432         (Sized_relobj::do_set_section_offset): New function.
12433         * object.cc (Relobj::output_section_address): Remove.
12434         (Sized_relobj::Sized_relobj): Initialize new fields.
12435         (Sized_relobj::include_section_group): Cast find_kept_object to
12436         Sized_relobj.
12437         (Sized_relobj::include_linkonce_section): Likewise.
12438         (Sized_relobj::do_layout): Use separate arrays for output section
12439         and output offset.
12440         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12441         output_sections.
12442         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12443         output_sections and section_offsets.
12444         (Sized_relobj::write_local_symbols): Likewise.
12445         (map_to_kept_section): Compute output address directly.
12446         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12447         output_sections and section_offsets.
12448         (Sized_relobj::write_sections): Likewise.
12449         (Sized_relobj::relocate_sections): Likewise.
12450         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12451         * output.h (class Output_reloc): Update declarations.  Change
12452         u2_.relobj to Sized_relobj*.
12453         (class Output_data_reloc): Change add functions to use
12454         Sized_relobj*.
12455         * output.cc (Output_reloc::Output_reloc): Change relobj to
12456         Sized_relobj*.
12457         (Output_reloc::local_section_offset): Change return type to
12458         Elf_Addr.  Use get_output_section_offset.
12459         (Output_reloc::get_address): Likewise.
12460         (Output_section::is_input_address_mapped): Don't call
12461         is_section_specially_mapped.
12462         (Output_section::output_offset): Likewise.
12463         (Output_section::output_address): Likewise.
12464         (Output_section::starting_output_address): Likewise.
12465         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12466         parameter to Sized_relobj*.
12467         (Copy_relocs::need_copy_reloc): Likewise.
12468         (Copy_relocs::save): Likewise.
12469         * copy-relocs.h (class Copy_relocs): Update declarations.
12470         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12471         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12472         * target-reloc.h (relocate_for_relocatable): Change
12473         offset_in_output_section type to Elf_Addr.  Change code that uses
12474         it as well.
12475         * layout.cc (Layout::layout): Always set *off.
12476         * mapfile.cc (Mapfile::print_input_section): Use
12477         output_section_offset.
12478         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12479         Sized_relobj*.
12480         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12481         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12482         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12483
12484 2008-07-03  Ian Lance Taylor  <iant@google.com>
12485
12486         * layout.cc (Layout::include_section): Do not discard unrecognized
12487         SHT_STRTAB sections.
12488
12489 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12490
12491         * script.cc (Lex::can_continue_name): Make '?' allowable in
12492         version-script names.
12493         * testsuite/version_script.map: Change glob pattern to use '?'
12494
12495 2008-06-30  Manish Singh  <yosh@gimp.org>
12496
12497         PR 6585
12498         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12499         Correct typo.
12500
12501 2008-06-30  Ian Lance Taylor  <iant@google.com>
12502
12503         PR 6660
12504         PR 6682
12505         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12506         versions]: Don't try to read the value in the contents, since we
12507         don't use it.  Use the template endianness when writing.
12508
12509 2008-06-25  Cary Coutant  <ccoutant@google.com>
12510
12511         * fileread.cc (File_read::make_view): Assert on zero-length view.
12512         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12513         symbol table when there are no symbols to read.
12514
12515 2008-06-23  Craig Silverstein  <csilvers@google.com>
12516
12517         * version.cc (version_string): Bump to 1.7
12518
12519 2008-06-18  Craig Silverstein  <csilvers@google.com>
12520
12521         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12522         constant 0xFFFF to type Valtype.
12523         (Powerpc_relocate_functions::rel16_ha): Likewise.
12524
12525 2008-06-17  Ian Lance Taylor  <iant@google.com>
12526
12527         * output.h (Output_section::Input_section): Initialize p2align_ to
12528         zero for Output_section_data constructors.
12529         (Output_section::Input_section::addralign): If not an input
12530         section, return the alignment of the Output_section_data.
12531         * testsuite/copy_test.cc: New file.
12532         * testsuite/copy_test_1.cc: New file.
12533         * testsuite/copy_test_2.cc: New file.
12534         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12535         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12536         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12537         (copy_test_1_pic.o, copy_test_1.so): New targets.
12538         (copy_test_2_pic.o, copy_test_2.so): New targets.
12539         * testsuite/Makefile.in: Rebuild.
12540
12541         * script-sections.cc (Script_sections::place_orphan): Initialize
12542         local variable exact.
12543
12544 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12545
12546         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12547
12548 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12549             David S. Miller  <davem@davemloft.net>
12550
12551         * powerpc.cc: New file.
12552         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12553         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12554         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12555         * Makefile.in: Rebuild.
12556
12557 2008-06-09  Ian Lance Taylor  <iant@google.com>
12558
12559         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12560         <exception>.
12561         (throwing, orig_terminate): New static variables.
12562         (terminate_handler): New static function.
12563         (t2): Set terminate handler.
12564
12565 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12566
12567         PR 6584
12568         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12569         alignment.
12570
12571 2008-05-30  Cary Coutant  <ccoutant@google.com>
12572
12573         * archive.cc (Archive::include_all_members) Correct to step
12574         over symbol table and extended name table in thin archives.
12575
12576 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12577
12578         PR 6407
12579         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12580         calculation.
12581
12582 2008-05-28  Caleb Howe  <cshowe@google.com>
12583
12584         * reduced_debug_output.cc: New file.
12585         * reduced_debug_output.h: New file.
12586         * options.h (class General_options): Add --strip-debug-non-line.
12587         * options.cc (General_options::finalize): Add strip_debug_non_line
12588         to the strip heirarchy.
12589         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12590         fields.
12591         * layout.cc: Include "reduced_debug_output.h".
12592         (Layout::Layout): Initialize new fields.
12593         (line_only_debug_sections): New static array.
12594         (is_lines_only_debug_sections): New static inline function.
12595         (Layout::include_section): Handle --strip-debug-non-line.
12596         (Layout::make_output_section): If --strip-debug-non-line, build
12597         new output sections for .debug_abbrev and .debug_info.
12598         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12599         gold.  Warn about possible overflow.
12600         (read_signed_LEB_128): Likewise.
12601         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12602         (read_signed_LEB_128): Declare.
12603         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12604         (HFILES): Add reduced_debug_output.h.
12605         * Makefile.in: Rebuild.
12606
12607 2008-05-21  Ian Lance Taylor  <iant@google.com>
12608
12609         * mapfile.cc: New file.
12610         * mapfile.h: New file.
12611         * options.h (class General_options): Add -M/--print-map and -Map.
12612         * options.cc (General_options::finalize): Make -M equivalent to
12613         -Map -.
12614         * main.cc: Include <cstdio> and "mapfile.h".
12615         (main): Open mapfile if requested.
12616         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12617         constructor.  Change caller.
12618         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12619         (queue_middle_tasks): Likewise.
12620         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12621         declarations.
12622         * archive.cc: Include "mapfile.h".
12623         (Archive::add_symbols): Add mapfile parameter.  Change all
12624         callers.  Pass mapfile, symbol, and reason to include_member.
12625         (Archive::include_all_members): Add mapfile parameter.  Change all
12626         callers.
12627         (Archive::include_member): Add mapfile, sym, and why parameters.
12628         Change all callers.  Report inclusion to map file.
12629         * archive.h: Include "fileread.h".
12630         (class Archive): Update declarations.
12631         (Archive::file): New const method.
12632         (class Add_archive_symbols): Add mapfile_ field.  Update
12633         constructor.  Change all callers.
12634         * readsyms.h (class Read_symbols): Likewise.
12635         (class Finish_group): Likewise.
12636         (class Read_script): Likewise.
12637         * common.cc: Include "mapfile.h".
12638         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12639         all callers.
12640         (Symbol_table::do_allocate_commons): Likewise.
12641         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12642         symbol allocation to mapfile.
12643         * common.h (class Allocate_commons_task): Add mapfile_ field.
12644         Update constructor.  Change all callers.
12645         * symtab.h (class Symbol_table): Update declarations.
12646         * layout.cc: Include "mapfile.h".
12647         (Layout_task_runner::run): Print information to mapfile.
12648         (Layout::create_gold_note): Change Output_data_fixed_space to
12649         Output_data_zero_fill.
12650         (Layout::create_build_id): Likewise.
12651         (Layout::print_to_mapfile): New function.
12652         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12653         constructor.  Change caller.
12654         (class Layout): Declare print_to_mapfile.
12655         * output.cc (Output_section::Input_section::print_to_mapfile): New
12656         function.
12657         (Output_section::add_input_section): If producing a map, always
12658         add to input_sections_ list.
12659         (Output_section::do_print_to_mapfile): New function.
12660         (Output_segment::print_sections_to_mapfile): New function.
12661         (Output_segment::print_section_list_to_mapfile): New function.
12662         * output.h: Include "mapfile.h".
12663         (Output_data::print_to_mapfile): New function.
12664         (Output_data::do_print_to_mapfile): New virtual function.
12665         (Output_segment_headers::do_print_to_mapfile): New function.
12666         (Output_file_header::do_print_to_mapfile): New function.
12667         (Output_data_const::do_print_to_mapfile): New function.
12668         (class Output_data_const_buffer): Add map_name_ field.  Update
12669         constructor.  Change all callers.  Add do_print_to_mapfile
12670         function.
12671         (class Output_data_fixed_space): Likewise.
12672         (class Output_data_space): Likewise.
12673         (class Output_data_zero_fill): New class.
12674         (Output_data_strtab::do_print_to_mapfile): New function.
12675         (Output_data_reloc_base::do_print_to_mapfile): New function.
12676         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12677         (Output_data_group::do_print_to_mapfile): New function.
12678         (Output_data_got::do_print_to_mapfile): New function.
12679         (Output_data_dynamic::do_print_to_mapfile): New function.
12680         (Output_symtab_xindex::do_print_to_mapfile): New function.
12681         (class Output_section): Declare do_print_to_mapflie.  Declare
12682         print_to_mapfile in Input_section.
12683         (class Output_segment): Declare new functions.
12684         * object.h (Sized_relobj::symbol_count): New function.
12685         * script-sections.cc
12686         (Output_section_element_dot_assignment::set_section_addresses):
12687         Change Output_data_fixed_space to Output_data_zero_fill.
12688         (Output_data_expression::do_print_to_mapfile): New function.
12689         * script.cc (read_input_script): Add mapfile parameter.  Change
12690         all callers.
12691         * script.h (read_input_script): Update declaration.
12692         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12693         (Eh_frame::do_print_to_mapfile): New function.
12694         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12695         (Output_merge_string::do_print_to_mapfile): New function.
12696         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12697         function.
12698         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12699         function.
12700         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12701         function.
12702         * Makefile.am (CCFILES): Add mapfile.cc.
12703         (HFILES): Add mapfile.h.
12704         * Makefile.in: Rebuild.
12705
12706 2008-05-19  Ian Lance Taylor  <iant@google.com>
12707
12708         * options.h (class General_options): Add -z relro.
12709         * layout.cc (Layout::Layout): Initialize relro_segment_.
12710         (Layout::add_output_section_data): Return the output section.
12711         (Layout::make_output_section): Rcognize relro sections and mark
12712         them appropriately.
12713         (Layout::attach_allocated_section_to_segment): Put relro sections
12714         in a PT_GNU_RELRO segment.
12715         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12716         section as relro.
12717         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12718         PT_TLS segments.
12719         (Layout::linkonce_mapping): Map d.rel.ro.local to
12720         .data.rel.ro.local.
12721         (Layout::output_section_name): Us .data.rel.ro.local for any
12722         section which begins with that.
12723         * layout.h (class Layout): Update add_output_section_data
12724         declaration.  Add relro_segment_ field.
12725         * output.cc (Output_section::Output_section): Initialize is_relro_
12726         and is_relro_local_ fields.
12727         (Output_segment::add_output_section): Group relro sections.
12728         (Output_segment::is_first_section_relro): New function.
12729         (Output_segment::maximum_alignment): If there is a relro section,
12730         align the segment to the common page size.
12731         (Output_segment::set_section_addresses): Track whether we are
12732         looking at relro sections.  If the last section is a relro
12733         section, align to the common page size.
12734         (Output_segment::set_section_list_addresses): Add in_relro
12735         parameter.  Change all callers.  Align to the page size when
12736         moving from relro to non-relro section.
12737         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12738         segment.
12739         * output.h (class Output_section): Add is_relro_ and
12740         is_relro_local_ fields.
12741         (Output_section::is_relro): New function.
12742         (Output_section::set_is_relro): New function.
12743         (Output_section::is_relro_local): New function.
12744         (Output_section::set_is_relro_local): New function.
12745         (class Output_segment): Update declarations.
12746         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12747         * sparc.cc (Target_sparc::got_section): Likewise.
12748         * x86_64.cc (Target_x86_64::got_section): Likewise.
12749         * testsuite/relro_test_main.cc: New file.
12750         * testsuite/relro_test.cc: New file.
12751         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12752         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12753         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12754         (relro_test.so, relro_test_pic.o): New targets.
12755         * testsuite/Makefile.in: Rebuild.
12756
12757 2008-05-16  Ian Lance Taylor  <iant@google.com>
12758
12759         * output.cc (Output_segment::add_output_section): Remove front
12760         parameter.
12761         * output.h (class Output_segment): Remove
12762         add_initial_output_section and overloaded add_output_section.
12763         Update declaration of remaining add_output_section.
12764         * layout.cc (Layout::create_interp): Call add_output_section
12765         rather than add_initial_output_section.
12766         (Layout::finish_dynamic_section): Likewise.
12767
12768         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12769         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12770         know the dynamic type.
12771         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12772         field.  Initialize it in constructor.
12773         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12774         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12775         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12776         reloc.
12777
12778         * output.cc (Output_reloc::get_address): Change return type to
12779         Elf_Addr.
12780         * output.h (class Output_reloc): Update get_address declaration.
12781         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12782         for section addresses.
12783
12784 2008-05-09  Ian Lance Taylor  <iant@google.com>
12785
12786         PR 6493
12787         * gold.cc (gold_nomem): Use return value of write.
12788
12789 2008-05-08  Ian Lance Taylor  <iant@google.com>
12790
12791         * symtab.c (Symbol::init_base_output_data): Add version
12792         parameter.  Change all callers.
12793         (Symbol::init_base_output_segment): Likewise.
12794         (Symbol::init_base_constant): Likewise.
12795         (Symbol::init_base_undefined): Likewise.
12796         (Sized_symbol::init_output_data): Likewise.
12797         (Sized_symbol::init_output_segment): Likewise.
12798         (Sized_symbol::init_constant): Likewise.
12799         (Sized_symbol::init_undefined): Likewise.
12800         (Symbol_table::do_define_in_output_data): If the new symbol has a
12801         version, mark it as the default.
12802         (Symbol_table::do_define_in_output_segment): Likewise.
12803         (Symbol_table::do_define_as_constant): Likewise.
12804         * symtab.h (class Symbol): Update declarations.
12805         (class Sized_symbol): Likewise.
12806         * resolve.cc (Symbol::override_version): New function.
12807         (Symbol::override_base): Call override_version.
12808         (Symbol::override_base_with_special): Likewise.
12809         * testsuite/ver_script_8.script: New file.
12810         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12811         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12812         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12813         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12814
12815 2008-05-06  Ian Lance Taylor  <iant@google.com>
12816
12817         PR 6049
12818         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12819         functions.
12820         (class General_options): Remove existing --undefined, and add
12821         --no-undefined instead.  Add new --undefined as synonym for -u.
12822         * archive.cc (Archive::add_symbols): Check whether symbol was
12823         named with -u.
12824         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12825         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12826         all uses.  Add IS_UNDEFINED.  Update declarations to split
12827         different versions of init_base.  Declare init_base_undefined.
12828         (Symbol::is_defined): Handle IS_UNDEFINED.
12829         (Symbol::is_undefined): Likewise.
12830         (Symbol::is_weak_undefined): Call is_undefined.
12831         (Symbol::is_absolute): Handle IS_CONSTANT.
12832         (class Sized_symbol): Update declarations to split different
12833         versions of init.  Declare init_undefined.
12834         (class Symbol_table): Declare new functions.
12835         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12836         Change all callers.
12837         (Symbol::init_base_output_data): Likewise.
12838         (Symbol::init_base_output_segment): Likewise.
12839         (Symbol::init_base_constant): Likewise.
12840         (Symbol::init_base_undefined): New function.
12841         (Sized_symbol::init_object): Rename from init.  Change all
12842         callers.
12843         (Sized_symbol::init_output_data): Likewise.
12844         (Sized_symbol::init_output_segment): Likewise.
12845         (Sized_symbol::init_constant): Likewise.
12846         (Sized_symbol::init_undefined): New function.
12847         (Symbol_table::add_undefined_symbols_from_command_line): New
12848         function.
12849         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12850         function.
12851         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12852         (Symbol::output_section): Likewise.
12853         (Symbol::set_output_section): Likewise.
12854         (Symbol_table::sized_finalize_symbol): Likewise.
12855         (Symbol_table::sized_write_globals): Likewise.
12856         * resolve.cc (Symbol_table::should_override): Likewise.
12857         (Symbol::override_base_with_special): Likewise.
12858
12859         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12860         symbol, change it to have default visibility.
12861         * testsuite/protected_1.cc: New file.
12862         * testsuite/protected_2.cc: New file.
12863         * testsuite/protected_3.cc: New file.
12864         * testsuite/protected_main_1.cc: New file.
12865         * testsuite/protected_main_2.cc: New file.
12866         * testsuite/protected_main_3.cc: New file.
12867         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12868         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12869         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12870         (protected_1.so): New target.
12871         (protected_1_pic.o, protected_2_pic.o): New targets.
12872         (protected_3_pic.o): New target.
12873         (check_PROGRAMS): Add protected_2.
12874         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12875         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12876         * testsuite/Makefile.in: Rebuild.
12877
12878         * options.h (DEFINE_var): Add set_user_set_##varname__.
12879         (DEFINE_bool_alias): New macro.
12880         (class General_options): Define -Bstatic using DEFINE_bool_alias
12881         rather than DEFINE_special.  Add --undefined as an alias for -z
12882         defs.
12883         * options.cc (General_options::parse_Bstatic): Remove.
12884
12885         * options.h (class General_options): Add --fatal-warnings.
12886         * main.cc (main): Implement --fatal-warnings.
12887         * errors.h (Errors::warning_count): New function.
12888
12889         * options.h (class General_options): Add -Bsymbolic-functions.
12890         * symtab.h (Symbol::is_preemptible): Check for
12891         -Bsymbolic-functions.
12892
12893 2008-05-05  Ian Lance Taylor  <iant@google.com>
12894
12895         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12896         as noVARNAME rather than no-VARNAME.
12897         (class General_options): Add option -z combreloc.
12898         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12899         get_address.
12900         (Output_reloc::sort_before) [SHT_REL]: New function.
12901         (Output_reloc::sort_before) [SHT_RELA]: New function.
12902         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12903         Sort_relocs_comparison.
12904         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12905         parameter.  Change all callers.
12906         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12907         sort_relocs parameter.  Change all callers.
12908         * output.cc (Output_reloc::get_address): New function, broken out
12909         of write_rel.
12910         (Output_reloc::write_rel): Call it.
12911         (Output_reloc::compare): New function.
12912         (Output_data_reloc_base::do_write): Optionally sort relocs.
12913
12914         * configure.ac: If targ_extra_obj is set, link it in.
12915         * configure.tgt: Initialize all variables.
12916         (x86_64*): Set targ_extra_obj and targ_extra_size.
12917         * configure: Rebuild.
12918
12919         * object.cc (Sized_relobj::include_section_group): Adjust section
12920         indexes read from group data.  Build vector to pass to
12921         layout_group.
12922         * layout.cc (Layout::layout_group): Add flags and shndxes
12923         parameters.  Remove contents parameter.  Change caller.  Update
12924         explicit instantiations.
12925         * layout.h (class Layout): Update layout_group declaration.
12926         * output.cc (Output_data_group::Output_data_group): Add flags and
12927         input_shndxes parameters.  Remove contents parameter.  Change
12928         caller.
12929         (Output_data_group::do_write): Change input_sections_ to
12930         input_shndxes_.
12931         * output.h (class Output_data_group): Update constructor
12932         declaration.  Rename input_sections_ to input_shndxes_.
12933         * testsuite/many_sections_test.cc: Add template.
12934
12935 2008-04-30  Cary Coutant  <ccoutant@google.com>
12936
12937         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12938
12939         * layout.cc (Layout::include_section): Refactored check for debug
12940         info section.
12941         (Layout::add_comdat): Add new parameters.  Change type
12942         of signature parameter.  Add object and shndx to signatures table.
12943         (Layout::find_kept_object): New function.
12944         * layout.h: Include <cstring>.
12945         (Layout::is_debug_info_section): New function.
12946         (Layout::add_comdat): Add new parameters.
12947         (Layout::find_kept_object): New function.
12948         (Layout::Kept_section): New struct.
12949         (Layout::Signatures): Change type of map range.
12950         * object.cc (Relobj::output_section_address): New function.
12951         (Sized_relobj::include_section_group): Add new parameters.  Change
12952         calls to Layout::add_comdat.  Change to build table of kept comdat
12953         groups and table mapping discarded sections to kept sections.
12954         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12955         (Sized_relobj::do_layout): Change calls to include_section_group and
12956         include_linkonce_section.
12957         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12958         value to zero when section is discarded.
12959         (Sized_relobj::map_to_kept_section): New function.
12960         * object.h (Relobj::output_section_address): New function.
12961         (Relobj::Comdat_group): New type.
12962         (Relobj::find_comdat_group): New function.
12963         (Relobj::Comdat_group_table): New type.
12964         (Relobj::Kept_comdat_section): New type.
12965         (Relobj::Kept_comdat_section_table): New type.
12966         (Relobj::add_comdat_group): New function.
12967         (Relobj::set_kept_comdat_section): New function.
12968         (Relobj::get_kept_comdat_section): New function.
12969         (Relobj::comdat_groups_): New field.
12970         (Relobj::kept_comdat_sections_): New field.
12971         (Symbol_value::input_value): Update comment.
12972         (Sized_relobj::map_to_kept_section) New function.
12973         (Sized_relobj::include_linkonce_section): Add new parameter.
12974         * target-reloc.h (Comdat_behavior): New type.
12975         (get_comdat_behavior): New function.
12976         (relocate_section): Add code to map a discarded section to the
12977         corresponding kept section when applying a relocation.
12978
12979 2008-04-30  Craig Silverstein  <csilvers@google.com>
12980
12981         * dwarf_reader.cc (next_generation_count): New static var.
12982         (Addr2line_cache_entry): New struct.
12983         (addr2line_cache): New static var.
12984         (Dwarf_line_info::one_addr2line): Added caching.
12985         (Dwarf_line_info::clear_addr2line_cache): New function.
12986         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12987         cache-size parameter.
12988         (Dwarf_line_info::one_addr2line_cache): New function.
12989         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12990         new cache-size argument to one_addr2line(), and clear cache.
12991
12992 2008-04-28  Cary Coutant  <ccoutant@google.com>
12993
12994         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12995         R_386_PC8 relocations.
12996
12997 2008-04-23  Ian Lance Taylor  <iant@google.com>
12998
12999         * object.cc (Sized_relobj::include_section_group): Check for
13000         invalid section group.
13001
13002         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13003         header size.
13004
13005         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13006         than read for file header.
13007         * archive.cc (Archive::include_member): Likewise.
13008
13009 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13010
13011         * aclocal.m4: Regenerate.
13012         * configure: Regenerate.
13013
13014 2008-04-19  Ian Lance Taylor  <iant@google.com>
13015
13016         * version.cc (version_string): Bump to 1.6.
13017
13018         * testsuite/Makefile.am (many_sections_r_test): New target.
13019         (many_sections_r_test_SOURCES): Remove.
13020         (many_sections_r_test_DEPENDENCIES): Remove.
13021         (many_sections_r_test_LDFLAGS): Remove.
13022         (many_sections_r_test_LDADD): Remove.
13023
13024         * object.cc (Sized_relobj::do_add_symbols): Always pass
13025         local_symbol_count_ to add_from_relobj.
13026
13027         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13028         every thousand variables.
13029         * testsuite/Makefile.in: Rebuild.
13030
13031         * object.cc (Xindex::initialize_symtab_xindex): New function.
13032         (Xindex::read_symtab_xindex): New function.
13033         (Xindex::sym_xindex_to_shndx): New function.
13034         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13035         available.
13036         (Sized_relobj::do_initialize_xindex): New function.
13037         (Sized_relobj::do_read_symbols): Adjust section links.
13038         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13039         parameter.  Change all callers.
13040         (Sized_relobj::include_section_group): Adjust section links and
13041         symbol section indexes.
13042         (Sized_relobj::do_layout): Adjust section links.
13043         (Sized_relobj::do_count_local_symbols): Adjust section links and
13044         symbol section indexes.
13045         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13046         ordinary and special symbols.
13047         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13048         dynsym_xindex parameters.  Change all callers.  Adjust section
13049         links.  Use SHN_XINDEX when needed.
13050         (Sized_relobj::get_symbol_location_info): Adjust section links.
13051         Don't get fooled by special symbols.
13052         * object.h (class Xindex): Define.
13053         (class Object): Add xindex_ parameter.  Declare virtual functoin
13054         do_initialize_xindex.
13055         (Object::adjust_sym_shndx): New function.
13056         (Object::set_xindex): New protected function.
13057         (class Symbol_value): Add is_ordinary_shndx_ field.
13058         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13059         (Symbol_value::value): Assert ordinary section.
13060         (Symbol_value::initialize_input_to_output_map): Likewise.
13061         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13062         Change all callers.
13063         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13064         all callers.
13065         (class Sized_relobj): Update declarations.
13066         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13067         parameter.  Change all callers.
13068         (Sized_relobj::adjust_shndx): New function.
13069         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13070         field.
13071         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13072         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13073         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13074         (Sized_dynobj::read_dynsym_section): Adjust section links.
13075         (Sized_dynobj::read_dynamic): Likewise.
13076         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13077         section links.
13078         (Sized_dynobj::do_initialize_xindex): New function.
13079         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13080         do_initialize_xindex.
13081         (Sized_dynobj::adjust_shndx): New function.
13082         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13083         dynsym_xindex_ fields.
13084         (Layout::finalize): Add a call to set_section_indexes before
13085         creating the symtab sections.
13086         (Layout::set_section_indexes): Don't do anything if the section
13087         already has a section index.
13088         (Layout::create_symtab_sections): Add shnum parameter.  Change
13089         caller.  Create .symtab_shndx section if needed.
13090         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13091         caller.
13092         (Layout::allocated_output_section_count): New function.
13093         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13094         needed.
13095         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13096         fields.  Update declarations.
13097         (Layout::symtab_xindex): New function.
13098         (Layout::dynsym_xindex): New function.
13099         (class Write_symbols_task): Add layout_ field.
13100         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13101         Change caller.
13102         * output.cc (Output_section_headers::Output_section_headers): Add
13103         shstrtab_section parameter.  Change all callers.
13104         (Output_section_headers::do_sized_write): Store overflow values
13105         for section count and section string table section index in
13106         section header zero.
13107         (Output_file_header::do_sized_write): Check for overflow of
13108         section count and section string table section index.
13109         (Output_symtab_xindex::do_write): New function.
13110         (Output_symtab_xindex::endian_do_write): New function.
13111         * output.h (class Output_section_headers): Add shstrtab_section_.
13112         Update declarations.
13113         (class Output_symtab_xindex): Define.
13114         (Output_section::has_out_shndx): New function.
13115         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13116         field.
13117         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13118         Change all callers.
13119         (Sized_symbol::init): Likewise.
13120         (Symbol::output_section): Check for ordinary symbol.
13121         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13122         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13123         callers.
13124         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13125         Change all callers.  Simplify handling of symbols from sections
13126         not included in the link.
13127         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13128         distinction.
13129         (Weak_alias_sorter::operator()): Assert that symbols are
13130         ordinary.
13131         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13132         distinction.
13133         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13134         parameters.  Change all callers.
13135         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13136         symbol distinction.  Use SHN_XINDEX when needed.
13137         (Symbol_table::write_section_symbol): Add symtab_xindex
13138         parameter.  Change all callers.
13139         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13140         SHN_XINDEX when needed.
13141         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13142         declarations.
13143         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13144         (Symbol::is_defined): Check is_ordinary.
13145         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13146         (Symbol::is_absolute, Symbol::is_common): Likewise.
13147         (class Sized_symbol): Update declarations.
13148         (class Symbol_table): Update declarations.
13149         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13150         parameters.  Change all callers.
13151         (Sized_symbol::override): Likewise.
13152         (Symbol_table::override): Likewise.
13153         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13154         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13155         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13156         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13157         to be in an ordinary section.
13158         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13159         object and is_ordinary parameters.  Change all callers.
13160         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13161         Change all callers.  Don't add undefined or non-ordinary symbols
13162         to reloc_map_.
13163         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13164         Change all callers.
13165         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13166         declarations.
13167         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13168         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13169         (Sized_relobj::relocate_sections): Likewise.
13170         * target-reloc.h (scan_relocs): Adjust section symbol index.
13171         (scan_relocatable_relocs): Likewise.
13172         * i386.cc (Scan::local): Check for ordinary symbols.
13173         * sparc.cc (Scan::local): Likewise.
13174         * x86_64.cc (Scan::local): Likewise.
13175         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13176         to symbol_section_and_value.
13177         * testsuite/many_sections_test.cc: New file.
13178         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13179         (check_PROGRAMS): Add many_sections_test.
13180         (many_sections_test_SOURCES): Define.
13181         (many_sections_test_DEPENDENCIES): Define.
13182         (many_sections_test_LDFLAGS): Define.
13183         (BUILT_SOURCES): Add many_sections_define.h.
13184         (many_sections_define.h): New target.
13185         (BUILT_SOURCES): Add many_sections_check.h.
13186         (many_sections_check.h): New target.
13187         (check_PROGRAMS): Add many_sections_r_test.
13188         (many_sections_r_test_SOURCES): Define.
13189         (many_sections_r_test_DEPENDENCIES): Define.
13190         (many_sections_r_test_LDFLAGS): Define.
13191         (many_sections_r_test_LDADD): Define.
13192         (many_sections_r_test.o): New target.
13193         * testsuite/Makefile.in: Rebuild.
13194
13195 2008-04-17  Cary Coutant  <ccoutant@google.com>
13196
13197         * errors.cc (Errors::info): New function.
13198         (gold_info): New function.
13199         * errors.h (Errors::info): New function.
13200         * gold.h (gold_info): New function.
13201         * object.cc (Input_objects::add_object): Print trace output.
13202         * options.cc (options::parse_set): New function.
13203         (General_options::parse_wrap): Deleted.
13204         (General_options::General_options): Deleted initializer.
13205         * options.h (options::String_set): New typedef.
13206         (options::parse_set): New function.
13207         (DEFINE_set): New macro.
13208         (General_options::wrap): Changed to use DEFINE_set. Changed
13209         callers of any_wrap_symbols and is_wrap_symbol.
13210         (General_options::trace, General_options::trace_symbol):
13211         New options.
13212         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13213         (General_options::wrap_symbols_): Deleted.
13214         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13215
13216 2008-04-17  David S. Miller  <davem@davemloft.net>
13217
13218         * options.cc (General_options::parse_V): New function.
13219         * options.h: Add entries for -V and -Qy.
13220
13221 2008-04-17  Ian Lance Taylor  <iant@google.com>
13222
13223         * common.cc (Symbol_table::allocate_commons): Remove options
13224         parameter.  Change caller.
13225         (Symbol_table::do_allocate_commons): Remove options parameter.
13226         Change caller.  Just call do_allocate_commons_list twice.
13227         (Symbol_table::do_allocate_commons_list): New function, broken out
13228         of do_allocate_commons.
13229         * common.h (class Allocate_commons_task): Remove options_ field.
13230         Update constructor.
13231         * symtab.cc (Symbol_table::Symbol_table): Initialize
13232         tls_commons_.
13233         (Symbol_table::add_from_object): Put TLS common symbols on
13234         tls_commons_ list.
13235         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13236         which are IN_OUTPUT_DATA.
13237         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13238         allocate_commons and do_allocate_commons declarations.  Declare
13239         do_allocate_commons_list.
13240         * gold.cc (queue_middle_tasks): Update creation of
13241         Allocate_commons_task to not pass options.
13242         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13243         (TLS_TEST_C_FLAGS): New variable.
13244         (tls_test_c_pic.o): New target.
13245         (tls_test_shared.so): Link in tls_test_c_pic.o.
13246         (tls_test_c_pic_ie.o): New target.
13247         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13248         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13249         (tls_test_c.o): New target.
13250         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13251         (tls_pic_test_LDADD): Likewise.
13252         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13253         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13254         (tls_test_c_gnu2.o): New target.
13255         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13256         tls_test_c_gnu2.o.
13257         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13258         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13259         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13260         * testsuite/tls_test.cc: Include "config.h".
13261         (t_last): Call t11_last.
13262         * testsuite/tls_test.h (t11, t11_last): Declare.
13263         * testsuite/tls_test_c.c: New file.
13264         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13265         * configure.ac: Check for OpenMP support.
13266         * configure, config.in, Makefile.in: Rebuild.
13267         * testsuite/Makefile.in: Rebuild.
13268
13269 2008-04-16  Cary Coutant  <ccoutant@google.com>
13270
13271         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13272         (Target_i386::tls_base_symbol_defined_): New field.
13273         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13274         (Target_i386::Scan::global): Likewise.
13275         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13276         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13277         (Target_x86_64::tls_base_symbol_defined_): New field.
13278         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13279         (Target_x86_64::Scan::global): Likewise.
13280
13281 2008-04-16  Cary Coutant  <ccoutant@google.com>
13282
13283         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13284         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13285         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13286         building shared libraries.
13287         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13288         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13289         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13290         * testsuite/Makefile.in: Rebuild.
13291         * testsuite/weak_undef.h: New file.
13292         * testsuite/weak_undef_file1.cc: Add extra test cases.
13293         * testsuite/weak_undef_file2.cc: Likewise.
13294         * testsuite/weak_undef_test.cc: Likewise.
13295
13296 2008-04-16  David S. Miller  <davem@davemloft.net>
13297
13298         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13299         Add issued_non_pic_error_ field.  Declare check_non_pic.
13300         (Target_sparc::Scan::check_non_pic): New function.
13301         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13302         (Target_sparc::Scan::global): Likewise.
13303
13304         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13305         * configure: Rebuild.
13306
13307         * options.h (DEFINE_enable): New macro.
13308         (new_dtags): New enable option.
13309         (initfirst, interpose, loadfltr, nodefaultlib,
13310         nodelete, nodlopen, nodump): New -z options.
13311         * layout.cc (Layout:finish_dynamic_section): If new
13312         dtags enabled, emit DT_RUNPATH.  Also, emit a
13313         DT_FLAGS_1 containing any specified -z flags.
13314
13315 2008-04-16  Ian Lance Taylor  <iant@google.com>
13316
13317         * copy-relocs.cc: New file.
13318         * copy-relocs.h: New file.
13319         * reloc.cc: Remove Copy_relocs code.
13320         * reloc.h: Likewise.
13321         * reloc-types.h (struct Reloc_types) [both versions]: Add
13322         get_reloc_addend_noerror.
13323         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13324         variants of add_global which take an addend which must be zero.
13325         * i386.cc: Include "copy-relocs.h".
13326         (class Target_i386): Change type of copy_relocs_ to variable,
13327         update initializer.
13328         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13329         Change all callers.
13330         (Target_i386::do_finalize_sections): Change handling of
13331         copy_relocs_.
13332         * sparc.cc: Include "copy-relocs.h".
13333         (class Target_sparc): Change type of copy_relocs_ to variable,
13334         update initializer.
13335         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13336         Change all callers.
13337         (Target_sparc::do_finalize_sections): Change handling of
13338         copy_relocs_.
13339         * x86_64.cc: Include "copy-relocs.h".
13340         (class Target_x86_64): Change type of copy_relocs_ to variable,
13341         update initializer.
13342         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13343         class.  Change all callers.
13344         (Target_x86_64::do_finalize_sections): Change handling of
13345         copy_relocs_.
13346         * Makefile.am (CCFILES): Add copy-relocs.cc.
13347         (HFILES): Add copy-relocs.h.
13348
13349         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13350
13351         * testsuite/script_test_4.sh: Permit leading zeroes.
13352
13353 2008-04-15  Ian Lance Taylor  <iant@google.com>
13354
13355         * script-sections.cc (Script_sections::create_segments): Use
13356         header_size_adjustment even when there is enough room for the
13357         headers.
13358         * testsuite/script_test_4.sh: New file.
13359         * testsuite/script_test_4.t: New file.
13360         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13361         (check_DATA): Add script_test_4.stdout.
13362         (MOSTLYCLEANFILES): Likewise.
13363         (script_test_4): New target.
13364         (script_test_4.stdout): New target.
13365         * testsuite/Makefile.in: Rebuild.
13366
13367         * sparc.cc: Add definitions for Output_data_plt_sparc class
13368         constants.
13369
13370 2008-04-14  David S. Miller  <davem@davemloft.net>
13371
13372         * sparc.cc: New file.
13373         * Makefile.am (TARGETSOURCES): Add sparc.cc
13374         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13375         * configure.tgt: Document targ_extra_size and
13376         targ_extra_big_endian.  Add entries for sparc-* and
13377         sparc64-*.
13378         * configure.ac: Handle targ_extra_size and
13379         targ_extra_big_endian.
13380         * Makefile.in: Rebuild.
13381         * configure: Likewise.
13382         * po/POTFILES.in: Likewise.
13383         * po/gold.pot: Likewise.
13384
13385 2008-04-14  Ian Lance Taylor  <iant@google.com>
13386
13387         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13388         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13389         in the name/type/flags to section mapping.  Don't call
13390         allocate_output_section.
13391         (Layout::choose_output_section): Change parameter from adjust_name
13392         to is_input_section.  Don't permit input sections after sections
13393         are attached to segments.  Don't call allocate_output_section.
13394         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13395         not write_enable_output_section.
13396         (Layout::make_output_section): Don't push to
13397         unattached_section_list_ nor call attach_to_segment.  Call
13398         attach_section_to_segment if sections are attached.
13399         (Layout::attach_sections_to_segments): New function.
13400         (Layout::attach_section_to_segment): New function.
13401         (Layout::attach_allocated_section_to_segment): Rename from
13402         attach_to_segment.  Remove flags parameter.
13403         (Layout::allocate_output_section): Remove function.
13404         (Layout::write_enable_output_section): Remove function.
13405         * layout.h (class Layout): Update for above changes.  Add new
13406         field sections_are_attached_.
13407         * output.h (Output_section::update_flags_for_input_section): New
13408         function.
13409         * output.cc (Output_section::add_input_section): Call
13410         update_flags_for_input_section.
13411         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13412
13413 2008-04-11  Cary Coutant  <ccoutant@google.com>
13414
13415         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13416         thought unnecessary.
13417         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13418
13419 2008-04-11  Ian Lance Taylor  <iant@google.com>
13420
13421         * output.h (class Output_section_data): Remove inline definition
13422         of set_addralign.
13423         * output.cc (Output_section_data::set_addralign): New function.
13424
13425 2008-04-11  Cary Coutant  <ccoutant@google.com>
13426
13427         Add support for TLS descriptors for i386 and x86_64.
13428         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13429         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13430         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13431         GOT_TYPE_TLS_DESC.
13432         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13433         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13434         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13435         relocations.
13436         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13437         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13438         Fix problem with initial-exec relocations.
13439         (Target_i386::Relocate::relocate_tls): Likewise.
13440         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13441         relaxation.
13442         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13443         support for section-plus-offset dynamic table entries.
13444         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13445         (Output_data_dynamic::Dynamic_entry): Add support for
13446         section-plus-offset dynamic table entries.
13447         (Output_data_dynamic::Classification): Likewise.
13448         (Output_data_dynamic::classification_): Renamed offset_.
13449         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13450         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13451         (Target_x86_64::make_plt_section): New function.
13452         (Target_x86_64::reserve_tlsdesc_entries): New function.
13453         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13454         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13455         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13456         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13457         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13458         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13459         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13460         add extra PLT entry for TLS descriptors.
13461         (Output_data_plt_x86_64::got_): New field.
13462         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13463         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13464         fields.
13465         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13466         descriptors.
13467         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13468         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13469         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13470         R_386_TLS_DESC_CALL relocations.
13471         (Target_x86_64::Scan::global): Likewise.
13472         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13473         for TLS descriptors.
13474         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13475         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13476         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13477         GD-to-IE relaxation.
13478         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13479         and TLS_DESCRIPTORS.
13480         * Makefile.in: Rebuild.
13481         * configure: Rebuild.
13482         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13483         (tls_test_shared2.so): New target.
13484         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13485         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13486         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13487         (tls_shared_gd_to_ie_test_LDADD): New variable.
13488         (tls_shared_gnu2_gd_to_ie_test): New target.
13489         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13490         New targets.
13491         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13492         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13493         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13494         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13495         (tls_shared_gnu2_test): New target.
13496         (tls_test_gnu2_shared.so): New target.
13497         (tls_shared_gnu2_test_SOURCES): New variable.
13498         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13499         (tls_shared_gnu2_test_LDFLAGS): New variable.
13500         (tls_shared_gnu2_test_LDADD): New variable.
13501         * testsuite/Makefile.in: Rebuild.
13502         * testsuite/Makefile.
13503
13504 2008-04-11  Ian Lance Taylor  <iant@google.com>
13505
13506         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13507         justsyms.t.
13508         * testsuite/Makefile.in: Rebuild.
13509
13510         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13511         long.
13512         * testsuite/script_test_2.cc (main): Adjust test.
13513
13514 2008-04-11  David S. Miller  <davem@davemloft.net>
13515             Ian Lance Taylor  <iant@google.com>
13516
13517         * options.h (General_options): Add entries for '-Y' and
13518         '-relax'.
13519         * options.cc (General_options:finalize): If -Y was used, add those
13520         entries to the library path instead of the default "/lib" and
13521         "/usr/lib".
13522
13523 2008-04-11  David S. Miller  <davem@davemloft.net>
13524
13525         * testsuite/justsyms.t: Start at 0x100.
13526         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13527         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13528         long.
13529         * testsuite/script_test_2.cc: Adjust string and section length
13530         checks.
13531
13532 2008-04-09  Ian Lance Taylor  <iant@google.com>
13533
13534         PR gold/5996
13535         * script-sections.cc (Sections_element::allocate_to_segment): Add
13536         orphan parameter.
13537         (Output_section_definition::allocate_to_segment): Likewise.
13538         (Orphan_output_section::allocate_to_segment): Likewise.
13539         (Script_sections::attach_sections_using_phdrs_clause): Don't
13540         propagate non-PT_LOAD segments to orphan sections.
13541         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13542         readelf rather than objdump.
13543         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13544         .interp section and PT_INTERP segment are the same size.
13545         * testsuite/Makefile.in: Rebuild.
13546
13547         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13548         aliases for symbols defined in the same object.
13549         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13550         (weak_alias_test_SOURCES): New variable.
13551         (weak_alias_test_DEPENDENCIES): New variable.
13552         (weak_alias_test_LDFLAGS): New variable.
13553         (weak_alias_test_LDADD): New variable.
13554         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13555         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13556         (weak_alias_test_3.o): New target.
13557         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13558         * testsuite/weak_alias_test_main.cc: New file.
13559         * testsuite/weak_alias_test_1.cc: New file.
13560         * testsuite/weak_alias_test_2.cc: New file.
13561         * testsuite/weak_alias_test_3.cc: New file.
13562
13563 2008-04-08  Ian Lance Taylor  <iant@google.com>
13564
13565         * options.h (class General_options): Add --noinhibit-exec option.
13566         * main.cc (main): Check --noinhibit-exec.
13567
13568         * options.h (class General_options): Define --wrap as a special
13569         option.  Add wrap_symbols_ field.
13570         (General_options::any_wrap_symbols): New function.
13571         (General_options::is_wrap_symbol): New function.
13572         * options.cc (General_options::parse_wrap): New function.
13573         (General_options::General_options): Initialize wrap_symbols_.
13574         * symtab.cc (Symbol_table::wrap_symbol): New function.
13575         (Symbol_table::add_from_object): Handle --wrap.
13576         * symtab.h (class Symbol_table): Declare wrap_symbol.
13577         * target.h (Target::wrap_char): New function.
13578         (Target::Target_info): Add wrap_char field.
13579         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13580         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13581         * testsuite/testfile.cc (Target_test::test_target_info):
13582         Likewise.
13583
13584         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13585         there is one.
13586
13587         * layout.h (class Layout): Add added_eh_frame_data_ field.
13588         * layout.cc (Layout::Layout): Initialize new field.
13589         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13590         output section until we find a section we merged successfully.
13591         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13592         that the size be non-zero.
13593
13594         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13595         qualifier.
13596
13597 2008-04-08  Craig Silverstein  <csilvers@google.com>
13598
13599         * configure.ac: Export new conditional variable HAVE_ZLIB.
13600         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13601         on HAVE_ZLIB.
13602         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13603         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13604
13605 2008-04-07  Ian Lance Taylor  <iant@google.com>
13606
13607         * version.cc (version_string): Set to "1.5".
13608
13609         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13610         Add issued_non_pic_error_ field.  Declare check_non_pic.
13611         (Target_x86_64::Scan::check_non_pic): New function.
13612         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13613         (Target_x86_64::Scan::global): Likewise.
13614
13615         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13616         addend parameter.  Change caller.  Handle merge sections.
13617         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13618         Address to Addend.  Don't add in the result of
13619         local_section_offset, pass down the addend and use the returned
13620         value.
13621         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13622         Update declarations of local_section_offset and symbol_value.
13623         * testsuite/two_file_test_1.cc (t18): New function.
13624         * testsuite/two_file_test_2.cc (f18): New function.
13625         * testsuite/two_file_test_main.cc (main): Call t18.
13626         * testsuite/two_file_test.h (t18, f18): Declare.
13627
13628         * configure.ac: Don't test for objdump, c++filt, or readelf.
13629         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13630         conditionals.
13631         (TEST_READELF): New variable.
13632         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13633         (check_PROGRAMS): Add two_file_strip_test.
13634         (two_file_strip_test): New target.
13635         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13636         (two_file_same_shared_strip_test_SOURCES): New variable.
13637         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13638         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13639         (two_file_same_shared_strip_test_LDADD): New variable.
13640         (two_file_shared_strip.so): New target.
13641         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13642         (ver_test_5.syms, ver_test_7.syms): Likewise.
13643         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13644         (strip_test_3.stdout): Use TEST_OBJDUMP.
13645         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13646
13647 2008-04-04  Cary Coutant  <ccoutant@google.com>
13648
13649         * symtab.h (Symbol::is_weak_undefined): New function.
13650         (Symbol::is_strong_undefined): New function.
13651         (Symbol::is_absolute): New function.
13652         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13653         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13654         absolute symbols.
13655         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13656         (weak_undef_test): New target.
13657         * testsuite/Makefile.in: Rebuild.
13658         * testsuite/weak_undef_file1.cc: New file.
13659         * testsuite/weak_undef_file2.cc: New file.
13660         * testsuite/weak_undef_test.cc: New file.
13661
13662 2008-04-03  Craig Silverstein  <csilvers@google.com>
13663
13664         * compressed_output.h (class Output_compressed_section): Use
13665         unsigned buffer.
13666         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13667         add zlib header.
13668         (zlib_compressed_suffix): Removed.
13669         (Output_compressed_section::set_final_data_size): Use unsigned
13670         buffers.
13671         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13672         Fix linker invocation.
13673         (flagstest_o_specialfile_and_compress_debug_sections):
13674         Likewise.
13675         * testsuite/Makefile.in: Regenerated.
13676
13677 2008-04-02  David S. Miller  <davem@davemloft.net>
13678
13679         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13680         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13681
13682 2008-04-02  Craig Silverstein  <csilvers@google.com>
13683
13684         * TODO: New file.
13685
13686 2008-04-02  Ian Lance Taylor  <iant@google.com>
13687
13688         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13689         parameters.  Update for new key type to views_.  Change all
13690         callers.
13691         (File_read::read): Adjust for byteshift in returned view.
13692         (File_read::add_view): New function, broken out of
13693         find_and_make_view.
13694         (File_read::make_view): New function, broken out of
13695         find_and_make_view.
13696         (File_read::find_or_make_view): Add offset and aligned
13697         parameters.  Rewrite accordingly.  Change all callers.
13698         (File_read::get_view): Add offset and aligned parameters.  Adjust
13699         for byteshift in return value.
13700         (File_read::get_lasting_view): Likewise.
13701         * fileread.h (class File_read): Update declarations.
13702         (class File_read::View): Add byteshift_ field.  Add byteshift to
13703         constructor.  Add byteshift method.
13704         * archive.h (Archive::clear_uncached_views): New function.
13705         (Archive::get_view): Add aligned parameter.  Change all callers.
13706         * object.h (Object::get_view): Add aligned parameter.  Change all
13707         callers.
13708         (Object::get_lasting_view): Likewise.
13709
13710         * fileread.cc (File_read::release): Don't call clear_views if
13711         there are multiple objects.
13712         * fileread.h (File_read::clear_uncached_views): New function.
13713         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13714         on the archive.
13715
13716 2008-03-31  Cary Coutant  <ccoutant@google.com>
13717
13718         Add thin archive support.
13719         * archive.cc (Archive::armagt): New const.
13720         (Archive::setup): Remove task parameter and calls to unlock.
13721         (Archive::unlock_nested_archives): New function.
13722         (Archive::read_header): Add nested_off parameter. Change
13723         all callers.
13724         (Archive::interpret_header): Likewise.
13725         (Archive::include_all_members): Change to handle thin
13726         archives.
13727         (Archive::include_member): Likewise.
13728         * archive.h (Archive::Archive): Add new parameters and
13729         initializers.
13730         (Archive::armagt): New const.
13731         (Archive::setup): Remove task parameter.
13732         (Archive::unlock_nested_archives): New function.
13733         (Archive::read_header): Add nested_off parameter.
13734         (Archive::interpret_header): Likewise.
13735         (Archive::Nested_archive_table): New typedef.
13736         (Archive::is_thin_archive_): New field.
13737         (Archive::nested_archives_): New field.
13738         (Archive::options_): New field.
13739         (Archive::dirpath_): New field.
13740         (Archive::task_): New field.
13741         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13742         for thin archives.  Pass additional parameters to
13743         Archive::Archive.  Unlock the archive file after calling
13744         Archive::setup.
13745
13746 2008-03-29  Ian Lance Taylor  <iant@google.com>
13747
13748         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13749         version symbol to be local.
13750         * testsuite/ver_test_4.sh: New file.
13751         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13752         (check_DATA): Add ver_test_4.syms.
13753         (ver_test_4.syms): New target.
13754         * testsuite/Makefile.in: Rebuild.
13755
13756         * output.cc
13757         (Output_section::Input_section_sort_entry::has_priority): New
13758         function.
13759         (Output_section::Input_section_sort_entry::match_file_name): New
13760         function.
13761         (Output_section::Input_section_sort_entry::match_section_name):
13762         Remove.
13763         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13764         Remove.
13765         (Output_section::Input_section_sort_entry::match_section_file):
13766         Remove.
13767         (Output_section::Input_section_sort_compare::operator()): Rewrite
13768         using new Input_section_sort_entry functions.  Sort crtbegin and
13769         crtend first.  Sort sections with no priority before sections with
13770         a priority.
13771         * testsuite/initpri1.c (d3): Check j != 4.
13772         (cd5): New constructor/destructor function.
13773         (main): Check j != 2.
13774
13775         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13776         new symbol when resolving, don't call set_is_default.
13777         * testsuite/ver_test_7.cc: New file.
13778         * testsuite/ver_test_7.sh: New file.
13779         * testsuite/Makefile.am (ver_test_7.so): New target.
13780         (ver_test_7.o): New target.
13781         (check_SCRIPTS): Add ver_test_7.sh.
13782         (check_DATA): Add ver_test_7.syms.
13783         (ver_test_7.syms): New target.
13784
13785 2008-03-28  Ian Lance Taylor  <iant@google.com>
13786
13787         * layout.cc (Layout::layout): If we see an input section with a
13788         name that needs sorting, set the must_sort flag for the output
13789         section.
13790         (Layout::make_output_section): If the name of the output section
13791         indicates that it might require sorting, set the may_sort flag.
13792         * output.h (Output_section::may_sort_attached_input_sections): New
13793         function.
13794         (Output_section::set_may_sort_attached_input_sections): New
13795         function.
13796         (Output_section::must_sort_attached_input_sections): New
13797         function.
13798         (Output_section::set_must_sort_attached_input_sections): New
13799         function.
13800         (class Output_section): Declare Input_section_sort_entry.  Define
13801         Input_section_sort_compare.  Declare
13802         sort_attached_input_sections.  Add new fields:
13803         may_sort_attached_input_sections_,
13804         must_sort_attached_input_sections_,
13805         attached_input_sections_are_sorted_.
13806         * output.cc (Output_section::Output_section): Initialize new
13807         fields.
13808         (Output_section::add_input_section): Add an entry to
13809         input_sections_ if may_sort or must_sort are true.
13810         (Output_section::set_final_data_size): Call
13811         sort_attached_input_sections if necessary.
13812         (Output_section::Input_section_sort_entry): Define new class.
13813         (Output_section::Input_section_sort_compare::operator()): New
13814         function.
13815         (Output_section::sort_attached_input_sections): New function.
13816         * configure.ac: Check whether the compiler supports constructor
13817         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13818         * testsuite/initpri1.c: New file.
13819         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13820         CONSTRUCTOR_PRIORITY.
13821         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13822         (initpri1_LDFLAGS): New variable.
13823         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13824
13825 2008-03-27  Ian Lance Taylor  <iant@google.com>
13826
13827         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13828         * testsuite/common_test_1.c: New file.
13829         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13830         (common_test_1_SOURCES): New variable.
13831         (common_test_1_DEPENDENCIES): New variable.
13832         (common_test_1_LDFLAGS): New variable.
13833
13834         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13835         and commons_ correctly when NAME/VERSION does not override
13836         NAME/NULL.
13837         * testsuite/ver_test_6.c: New file.
13838         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13839         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13840         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13841
13842 2008-03-26  Ian Lance Taylor  <iant@google.com>
13843
13844         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13845         of an undefined symbol from a version script.
13846         * testsuite/Makefile.am (ver_test_5.so): New target.
13847         (ver_test_5.o): New target.
13848         (check_SCRIPTS): Add ver_test_5.sh.
13849         (check_DATA): Add ver_test_5.syms.
13850         (ver_test_5.syms): New target.
13851         * testsuite/ver_test_5.cc: New file.
13852         * testsuite/ver_test_5.script: New file.
13853         * testsuite/ver_test_5.sh: New file.
13854         * Makefile.in, testsuite/Makefile.in: Rebuild.
13855
13856         PR gold/5986
13857         Fix problems building gold with gcc 4.3.0.
13858         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13859         (gold_error_at_location, gold_warning_at_location): Use it.
13860         * configure.ac: Check whether we can compile and use a template
13861         function with a printf attribute.
13862         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13863         when jumping over bytes.
13864         * object.cc: Instantiate Object::read_section_data.
13865         * debug.h: Include <cstring>
13866         * dwarf_reader.cc: Include <algorithm>
13867         * main.cc: Include <cstring>.
13868         * options.cc: Include <cstring>.
13869         * output.cc: Include <cstring>.
13870         * script.cc: Include <cstring>.
13871         * script.h: Include <string>.
13872         * symtab.cc: Include <cstring> and <algorithm>.
13873         * target-select.cc: Include <cstring>.
13874         * version.cc: Include <string>.
13875         * testsuite/testmain.cc: Include <cstdlib>.
13876         * configure, config.in: Rebuild.
13877
13878 2008-03-25  Ian Lance Taylor  <iant@google.com>
13879
13880         * options.cc: Include "../bfd/bfdver.h".
13881         (options::help): Print bug reporting address.
13882
13883         * version.cc (print_version): Adjust output for current value of
13884         BFD_VERSION_STRING.
13885
13886         * NEWS: New file.
13887
13888         * options.cc (options::help): Print list of supported targets.
13889         * target-select.h: Include <vector>.
13890         (class Target_selector): Make machine_, size_, and is_big_endian_
13891         fields const.  Add bfd_name_ and instantiated_target_ fields.
13892         (Target_selector::Target_selector): Add bfd_name parameter.
13893         (Target_selector::recognize): Make non-virtual, call
13894         do_recognize.
13895         (Target_selector::recognize_by_name): Make non-virtual, call
13896         do_recognize_by_name.
13897         (Target_selector::supported_names): New function.
13898         (Target_selector::bfd_name): New function.
13899         (Target_selector::do_instantiate_target): New pure virtual
13900         function.
13901         (Target_selector::do_recognize): New virtual function.
13902         (Target_selector::do_recognize_by_name): New virtual function.
13903         (Target_selector::instantiate_target): New private function.
13904         (supported_target_names): Declare.
13905         * target-select.cc (Target_selector::Target_selector): Update for
13906         new parameter and fields.
13907         (select_target_by_name): Check that the name matches before
13908         calling recognize_by_name.
13909         (supported_target_names): New function.
13910         * i386.cc (class Target_selector_i386): Update Target_selector
13911         constructor call.  Remove recognize and recognize_by_name.  Add
13912         do_instantiate_target.
13913         * x86_64.cc (class Target_selector_x86_64): Likewise.
13914         * testsuite/testfile.cc (class Target_selector_test): Update for
13915         changes to Target_selector.
13916
13917         * README: Rewrite, with some notes on unsupported features.
13918
13919 2008-03-24  Cary Coutant  <ccoutant@google.com>
13920
13921         * i386.cc (Target_i386::Got_type): New enum declaration.
13922         (Target_i386::Scan::local): Updated callers of Output_data_got
13923         member functions.
13924         (Target_i386::Scan::global): Likewise.
13925         (Target_i386::Relocate::relocate): Likewise.
13926         (Target_i386::Relocate::relocate_tls): Likewise.
13927         * object.h (Got_offset_list): New class.
13928         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13929         (Sized_relobj::local_got_offset): Likewise.
13930         (Sized_relobj::set_local_got_offset): Likewise.
13931         (Sized_relobj::local_has_tls_got_offset): Removed.
13932         (Sized_relobj::local_tls_got_offset): Removed.
13933         (Sized_relobj::set_local_tls_got_offset): Removed.
13934         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13935         * output.cc (Output_data_got::add_global): Added got_type parameter.
13936         (Output_data_got::add_global_with_rel): Likewise.
13937         (Output_data_got::add_global_with_rela): Likewise.
13938         (Output_data_got::add_global_pair_with_rel): New function.
13939         (Output_data_got::add_global_pair_with_rela): New function.
13940         (Output_data_got::add_local): Added got_type parameter.
13941         (Output_data_got::add_local_with_rel): Likewise.
13942         (Output_data_got::add_local_with_rela): Likewise.
13943         (Output_data_got::add_local_pair_with_rel): New function.
13944         (Output_data_got::add_local_pair_with_rela): New function.
13945         (Output_data_got::add_global_tls): Removed.
13946         (Output_data_got::add_global_tls_with_rel): Removed.
13947         (Output_data_got::add_global_tls_with_rela): Removed.
13948         (Output_data_got::add_local_tls): Removed.
13949         (Output_data_got::add_local_tls_with_rel): Removed.
13950         (Output_data_got::add_local_tls_with_rela): Removed.
13951         * output.h (Output_data_got::add_global): Added got_type parameter.
13952         (Output_data_got::add_global_with_rel): Likewise.
13953         (Output_data_got::add_global_with_rela): Likewise.
13954         (Output_data_got::add_global_pair_with_rel): New function.
13955         (Output_data_got::add_global_pair_with_rela): New function.
13956         (Output_data_got::add_local): Added got_type parameter.
13957         (Output_data_got::add_local_with_rel): Likewise.
13958         (Output_data_got::add_local_with_rela): Likewise.
13959         (Output_data_got::add_local_pair_with_rel): New function.
13960         (Output_data_got::add_local_pair_with_rela): New function.
13961         (Output_data_got::add_global_tls): Removed.
13962         (Output_data_got::add_global_tls_with_rel): Removed.
13963         (Output_data_got::add_global_tls_with_rela): Removed.
13964         (Output_data_got::add_local_tls): Removed.
13965         (Output_data_got::add_local_tls_with_rel): Removed.
13966         (Output_data_got::add_local_tls_with_rela): Removed.
13967         * resolve.cc (Symbol::override_base_with_special): Removed
13968         reference to has_got_offset_ field.
13969         * symtab.cc (Symbol::init_fields): Replaced initialization
13970         of got_offset_ with got_offsets_.  Removed initialization
13971         of has_got_offset_
13972         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13973         (Symbol::got_offset): Likewise.
13974         (Symbol::set_got_offset): Likewise.
13975         (Symbol::has_tls_got_offset): Removed.
13976         (Symbol::tls_got_offset): Removed.
13977         (Symbol::set_tls_got_offset): Removed.
13978         (Symbol::got_offset_): Removed.
13979         (Symbol::tls_mod_got_offset_): Removed.
13980         (Symbol::tls_pair_got_offset_): Removed.
13981         (Symbol::got_offsets_): New field.
13982         (Symbol::has_got_offset): Removed.
13983         (Symbol::has_tls_mod_got_offset): Removed.
13984         (Symbol::has_tls_pair_got_offset): Removed.
13985         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13986         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13987         member functions.
13988         (Target_x86_64::Scan::global): Likewise.
13989         (Target_x86_64::Relocate::relocate): Likewise.
13990         (Target_x86_64::Relocate::relocate_tls): Likewise.
13991
13992 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13993
13994         * yyscript.y: Fix spelling error in comment.
13995
13996 2008-03-24  Ian Lance Taylor  <iant@google.com>
13997
13998         * options.h (class General_options): Define build_id option.
13999         * layout.h (class Layout): Declare write_build_id, create_note,
14000         create_build_id.  Add build_id_note_ member.
14001         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14002         "libiberty.h", "md5.h", "sha1.h".
14003         (Layout::Layout): Initialize eh_frame_data_,
14004         eh_frame_hdr_section_, and build_id_note_.
14005         (Layout::finalize): Call create_build_id.
14006         (Layout::create_note): New function, broken out of
14007         Layout::create_gold_note.
14008         (Layout::create_gold_note): Call create_note.
14009         (Layout::create_build_id): New function.
14010         (Layout::write_build_id): New function.
14011         (Close_task_runner::run): Call write_build_id.
14012
14013         * x86_64.cc: Correct license to GPLv3.
14014
14015 2008-03-23  Ian Lance Taylor  <iant@google.com>
14016
14017         * options.cc: Include "demangle.h".
14018         (parse_optional_string): New function.
14019         (parse_long_option): Handle takes_optional_argument.
14020         (parse_short_option): Update dash_z initializer.  Handle
14021         takes_optional_argument.
14022         (General_options::General_options): Initialize do_demangle_.
14023         (General_options::finalize): Set do_demangle_.  Handle demangling
14024         style.
14025         * options.h (parse_optional_string): Declare.
14026         (struct One_option): Add optional_arg field.  Update constructor.
14027         Update call constructor calls.  Add takes_optional_argument
14028         function.
14029         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14030         (DEFINE_optional_string): Define.
14031         (General_options::demangle): Change from DEFINE_bool to
14032         DEFINE_optional_string.
14033         (General_options::no_demangle): New function.
14034         (General_options::do_demangle): New function.
14035         (General_options::set_do_demangle): New function.
14036         (General_options::execstack_status_): Move definition to end of
14037         class definition.
14038         (General_options::static_): Likewise.
14039         (General_options::do_demangle_): New field.
14040         * object.cc (big_endian>::get_symbol_location_info): Call
14041         Options::do_demangle, not Options::demangle.
14042         * symtab.cc (demangle): Likewise.
14043
14044 2008-03-22  Ian Lance Taylor  <iant@google.com>
14045
14046         * gold.h: Include <cstddef> and <sys/types.h>
14047         * options.h: Include <cstring>.
14048
14049 2008-03-21  Ian Lance Taylor  <iant@google.com>
14050
14051         * Added source code to GNU binutils.