bfd/
[external/binutils.git] / gold / ChangeLog
1 2012-11-14  Roland McGrath  <mcgrathr@google.com>
2
3         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
4         than bfc instruction for data sandboxing.
5
6 2012-11-08  Alan Modra  <amodra@gmail.com>
7
8         * po/POTFILES.in: Regenerate.
9
10 2012-11-05  Alan Modra  <amodra@gmail.com>
11
12         * configure.ac: Apply 2012-09-10 change to config.in here.
13         * configure: Regenerate.
14
15 2012-11-05  Alan Modra  <amodra@gmail.com>
16
17         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
18         (struct Opd_ent): Use "Address" rather than "Offset".
19         (Output_data_got_powerpc::got_base_offset): Return Valtype.
20         (Target_powerpc::got_section): Make public.
21         (Target_powerpc::scan_relocs): Move code setting symbols..
22         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
23         Create _SDA_BASE_ only when referenced.
24
25 2012-11-02  Roland McGrath  <mcgrathr@google.com>
26
27         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
28         from last change.
29
30 2012-11-01  Roland McGrath  <mcgrathr@google.com>
31
32         * target.h (Sized_target::relocate_relocs): Use Elf_Off
33         for offset_in_output_section parameter.
34         (Sized_target::relocate_special_relocatable): Likewise.
35         * arm.cc (Target_arm::relocate_relocs): Likewise.
36         (Target_arm::relocate_special_relocatable): Likewise.
37         * i386.cc (Target_i386::relocate_relocs): Likewise.
38         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
39         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
40         * target-reloc.h (relocate_relocs): Likewise.
41         * testsuite/testfile.cc (Target_test): Likewise.
42         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
43         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
44
45         * system.h: Move inclusion of <clocale> to after <libintl.h> in
46         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
47
48         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
49         parameter, which is unused in the [!F_SETFD] case.
50
51         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
52         SYMNDX to off_t before comparing it to this->data_size().
53         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
54         * incremental.cc (Output_section_incremental_inputs::do_write):
55         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
56
57         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
58
59 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
60
61         * gold.cc (Target_arm::do_adjust_elf_header): Add the
62         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
63         in EABI_VER5.
64
65 2012-10-29  Cary Coutant  <ccoutant@google.com>
66
67         * dwp.cc (usage): Add file and exit status parameters;
68         add --help and --version options.
69         (print_version): New function.
70         (main): Add --help and --version options.
71
72 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
73
74         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
75         final_layout_sequence.txt.
76         * testsuite/Makefile.in: Regenerated.
77
78 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
79
80         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
81         COMPILE generated by automake.
82         (LINK1): Likewise.
83         (CXXCOMPILE1): Likewise.
84         (CXXLINK1): Likewise.
85         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
86         (LINK): Likewise.
87         (CXXCOMPILE): Likewise.
88         (CXXLINK): Likewise.
89         * testsuite/Makefile.in: Regenerated.
90
91 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
92
93         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
94         on bad fwrite return.
95
96 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
97
98         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
99         on val.
100
101 2012-10-23  Cary Coutant  <ccoutant@google.com>
102
103         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
104         * testsuite/Makefile.in: Regenerate.
105         * testsuite/dwp_test.h: New source file.
106         * testsuite/dwp_test_1.cc: New source file.
107         * testsuite/dwp_test_1.s: New source file.
108         * testsuite/dwp_test_1.sh: New source file.
109         * testsuite/dwp_test_1b.cc: New source file.
110         * testsuite/dwp_test_1b.s: New source file.
111         * testsuite/dwp_test_2.cc: New source file.
112         * testsuite/dwp_test_2.s: New source file.
113         * testsuite/dwp_test_2.sh: New source file.
114         * testsuite/dwp_test_main.cc: New source file.
115         * testsuite/dwp_test_main.s: New source file.
116
117 2012-10-23  Cary Coutant  <ccoutant@google.com>
118
119         * dwp.h: New header file.
120         * dwp.cc: New source file.
121         * gold.h: Move shared declarations to system.h.
122         * system.h: New header file.
123         * Makefile.am: Add dwp.
124         * Makefile.in: Regenerate.
125
126 2012-10-23  Cary Coutant  <ccoutant@google.com>
127
128         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
129         Dwarf_info_reader::read_from_pointer.
130         (Dwarf_pubnames_table::read_header): Likewise.
131         (Dwarf_pubnames_table::next_name): Likewise.
132         (Dwarf_die::read_attributes): Likewise.
133         (Dwarf_die::skip_attributes): Likewise.
134         (Dwarf_info_reader::read_from_pointer): New function template.
135         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
136         (Dwarf_pubnames_table): Likewise.
137         (Dwarf_info_reader::read_from_pointer): New function template.
138         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
139         Dwarf_pubnames_table ctor.
140
141 2012-10-23  Cary Coutant  <ccoutant@google.com>
142
143         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
144         abbrev_shndx.
145         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
146         abbrev_shndx_.
147         (Dwarf_info_reader::set_abbrev_shndx): New method.
148         (Dwarf_info_reader::abbrev_shndx_): New data member.
149
150 2012-10-23  Cary Coutant  <ccoutant@google.com>
151
152         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
153         from object, not parameters.
154         (Dwarf_info_reader::parse): Likewise.
155         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
156         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
157         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
158         methods.
159
160 2012-10-23  Cary Coutant  <ccoutant@google.com>
161
162         * fileread.cc (Input_file::Input_file): New constructor.
163         * fileread.h (class Input_file): Add new constructor.
164
165 2012-10-18  Alan Modra  <amodra@gmail.com>
166
167         PR gold/14727
168         * object.cc (Relobj::is_section_name_included): Also match
169         .sdata personality section.
170
171 2012-10-18  Alan Modra  <amodra@gmail.com>
172
173         * target-reloc.h (class Default_comdat_behavior): New, package up..
174         (get_comdat_behaviour): ..this.
175         (relocate_section): Add Relocate_comdat_behavior template arg,
176         adjust code to suit.
177         * arm.cc (Target_arm::relocate_section): Adjust to suit.
178         (Target_arm::scan_reloc_section): Likewise.
179         * i386.cc (Target_i386::relocate_section): Likewise.
180         * sparc.cc (Target_sparc::relocate_section): Likewise.
181         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
182         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
183         * powerpc.cc (class Relocate_comdat_behavior): New.
184         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
185         gold::relocate_section with new template arg.
186
187 2012-10-18  Alan Modra  <amodra@gmail.com>
188
189         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
190         dynamic relocs for GOT_TPREL got entries, without symbol if
191         resolving locally.
192         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
193         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
194         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
195
196 2012-10-17  Alan Modra  <amodra@gmail.com>
197
198         PR gold/14726
199         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
200
201 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
202
203         * layout.cc (Layout::include_section): Keep sections marked
204         SHF_EXCLUDE when doing relocatable links.
205
206 2012-10-16  Alan Modra  <amodra@gmail.com>
207
208         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
209         (Target_powerpc::do_finalize_sections): Call it.
210         (Output_data_save_res): New class and supporting functions.
211         (Target_powerpc::symval_for_branch): Only look up .opd entry for
212         normal symbols defined in object files.
213
214 2012-10-12  Alan Modra  <amodra@gmail.com>
215
216         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
217         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
218         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
219         section if scan_opd_relocs not yet called.
220         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
221
222 2012-10-12  Alan Modra  <amodra@gmail.com>
223
224         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
225         add_local_ifunc_entry): Revert last change.
226         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
227
228 2012-10-05  Alan Modra  <amodra@gmail.com>
229
230         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
231         do_plt_address_for_global): New functions.
232         (Output_data_got_powerpc::do_write): Don't segfault when linking
233         statically.
234         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
235         add_local_ifunc_entry): Return true on adding entry..
236         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
237         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
238         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
239         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
240         set up symbols here.
241         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
242         syms here.  Do so even when no .iplt.  Don't segfault when linking
243         statically.
244         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
245         new variants without reloc param.
246         (Glink_sym_ent::Glink_sym_ent): Likewise.
247         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
248         reloc when refs will resolve to plt call stub.
249         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
250         R_PPC_PLTREL24 to resolve locally.
251         (Target_powerpc::Scan::global): Correct ifunc handling.
252         (Target_powerpc::Relocate::relocate): Correct local sym glink
253         lookup.  Don't destroy "value" when we have a plt call stub,
254         and when checking plt call validity.
255         (Target_powerpc::do_dynsym_value): Simplify.
256
257 2012-10-05  Alan Modra  <amodra@gmail.com>
258
259         * i386.cc (Output_data_plt_i386::address_for_global,
260         address_for_local): Add plt offset to returned value.  Adjust uses.
261         * sparc.cc (Output_data_plt_sparc::address_for_global,
262         address_for_local): Likewise.
263         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
264         address_for_local): Likewise.
265         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
266         address_for_local): Likewise.
267         * target.h (Target::plt_address_for_global, plt_address_for_local):
268         Update comment.
269         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
270         (Output_data_got::Got_entry::write): Nor here.
271         * output.h: Comment fix.
272
273 2012-10-02  Jiong Wang  <jiwang@tilera.com>
274
275         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
276         global_offset_table_ value for larget got.
277         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
278
279 2012-09-29  Alan Modra  <amodra@gmail.com>
280
281         * powerpc.cc (Target_powerpc::iplt_): New output section.
282         (Target_powerpc::iplt_section, make_iplt_section,
283         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
284         (Target_powerpc::make_plt_entry): Handle ifunc syms.
285         Target_powerpc::plt_entry_count): Count iplt entries too.
286         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
287         reloc section in constructor.  New params.
288         (Target_powerpc::make_plt_section): Create reloc section here instead.
289         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
290         functions.
291         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
292         (Output_data_glink::add_entry, find_entry): New functions to
293         deal with local syms.
294         (Glink_sym_ent): Add support for local syms.
295         (Output_data_glink::do_write): Handle ifunc plt entries.
296         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
297         (Target_powerpc::Scan::local, global): Handle ifunc syms.
298         (Target_powerpc::Relocate::relocate): Likewise.
299         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
300
301 2012-09-25  Alan Modra  <amodra@gmail.com>
302
303         * object.h (Sized_relobj_file::adjust_local_symbol,
304         do_adjust_local_symbol): New functions.
305         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
306         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
307         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
308         and irregular opd entry spacing.
309         (Powerpc_relobj::do_read_relocs): Add opd size checks.
310         (Global_symbol_visitor_opd): New functor.
311         (Target_powerpc::do_finalize_sections): Omit global symbols defined
312         on deleted opd entries.
313
314 2012-09-15  Jiong Wang  <jiwang@tilera.com>
315
316         * tilegx.cc: New file.
317         * Makefile.am (TARGETSOURCES): Add tilegx.cc
318         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
319         * configure.tgt: Add entries for tilegx*.
320         * configure.ac: Likewise.
321         * Makefile.in: Rebuild.
322         * configure: Likewise.
323         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
324         tilegx.
325
326 2012-09-13  Alan Modra  <amodra@gmail.com>
327
328         * target-reloc.h (scan_relocs): Call scan.local for relocs
329         against symbols in discarded sections.  Pass is_discarded
330         param.
331         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
332         Add is_discarded param.
333         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
334         is_discarded to flag opd entry as discarded.  Don't emit dyn
335         relocs on such entries.
336         (Target_powerpc::Scan::global): Similarly detect and handle
337         such opd entries.
338         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
339         opd_ent_.  Update all uses.
340         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
341         (Target_powerpc::relocate_section): Zero out discarded opd
342         entry relocs.
343
344 2012-09-12  Ian Lance Taylor  <iant@google.com>
345
346         PR gold/14570
347         * output.cc: Rename Output_data_got template parameter from size
348         to got_size for all functions.  Compile all variants of
349         Output_data_got.
350         (Output_data_got::Got_entry::write): Correct use of size for
351         symbol value.  Use local_is_tls rather than casting to
352         Sized_relobj_file.
353         * object.h (class Object): Add local_is_tls and do_local_is_tls.
354         (class Sized_relobj_file): Add do_local_is_tls.
355         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
356
357 2012-09-11  Alan Modra  <amodra@gmail.com>
358
359         PR gold/14566
360         * layout.cc (Layout::set_segment_offsets): When using
361         common-page-size alignment, ensure we are on a new max-page-size
362         page.
363         * output.cc (Output_segment::set_section_addresses): Use
364         abi_pagesize, not common_pagesize for relro boundary.
365         (Output_segment::set_offset): Likewise.
366
367 2012-09-11  Alan Modra  <amodra@gmail.com>
368
369         * output.h (Output_data_got::add_global_tls, add_local_tls,
370         add_local_tls_pair): New functions.
371         (Output_data_got::add_local_pair_with_rel): Remove second
372         reloc param.  Expand comment.
373         (Output_data_got::Got_entry): Rename use_plt_offset_ to
374         use_plt_or_tls_offset_, similarly for constructor param.
375         (Output_data_got::Got_entry::write): Add got_index param.
376         * output.cc (Output_data_got::add_global_tls, add_local_tls,
377         add_local_tls_pair): New functions.
378         (Output_data_got::Got_entry::write): Handle tls symbols
379         with use_plt_or_tls_offset_ set specially.
380         (Output_data_got::add_local_pair_with_rel): Only one reloc.
381         (Output_data_got::do_write): Replace iterator with index, pass
382         index to entry write function.
383         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
384         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
385         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
386         call.
387         * i386.cc (Target_i386::Scan::local): Likewise.
388         * sparc.cc (Target_sparc::Scan::local): Likewise.
389         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
390         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
391         do_tls_offset_for_global): New functions.
392         (Target_powerpc::Scan::local): Correct TLS relocations and got
393         entry values.
394         (Target_powerpc::Scan::global): Don't emit unnecessary
395         dynamic relocations on TLS GOT entries.
396
397 2012-09-10  Matthias Klose  <doko@ubuntu.com>
398
399         * config.in: Disable sanity check for kfreebsd.
400
401 2012-09-10  Sterling Augustine  <saugustine@google.com>
402
403         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
404         (Gdb_index::pubtypes_read): New parameter.
405         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
406         to calls.
407         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
408         pubtypes_object_.
409
410 2012-09-09  Alan Modra  <amodra@gmail.com>
411
412         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
413         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
414         * gc.h (gc_process_relocs): Call target gc_add_reference.
415         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
416         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
417         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
418         unnecessary cast.
419         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
420         to cater for when we don't need code offset.  Update use.
421         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
422         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
423         set_opd_valid): New functions.
424         (Target_powerpc::do_gc_add_reference): New function.
425         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
426         stashed refs.
427         (Target_powerpc::do_gc_mark_symbol): New function.
428
429 2012-09-06  Cary Coutant  <ccoutant@google.com>
430
431         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
432         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
433         (Dwarf_die::skip_attributes): Likewise.
434         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
435         * testsuite/gdb_index_test.cc (inline_func_1): New function.
436         (main): Call it.
437         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
438
439 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
440
441         * testsuite/script_test_3.t: Add .got.plt output section
442         statement.
443         * testsuite/script_test_4.t: Likewise.
444
445 2012-09-05  Alan Modra  <amodra@gmail.com>
446
447         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
448         update all uses and lose "enum" when using type.
449
450 2012-09-05  Alan Modra  <amodra@gmail.com>
451
452         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
453         * configure: Regenerate.
454         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
455         (plugin_final_layout.stdout): Likewise.
456         (memory_test): Set page sizes to 0x1000.
457         * testsuite/Makefile.in: Regenerate.
458         * testsuite/discard_locals_test.sh: Add FIXME comment.
459         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
460         * testsuite/pr14265.t: Add .got output section statement.
461         * testsuite/script_test_2.t: Likewise.
462         * testsuite/script_test_3.t: Likewise.
463         * testsuite/script_test_4.t: Likewise.
464         * testsuite/script_test_5.t: Likewise.
465         * testsuite/script_test_6.t: Likewise.
466         * testsuite/script_test_7.t: Likewise.
467         * testsuite/script_test_9.t: Likewise.
468
469 2012-09-05  Alan Modra  <amodra@gmail.com>
470
471         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
472         (Powerpc_relocate_functions::Status): New typedef.
473         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
474         (Target_powerpc::Scan::local): Handle REL64.
475         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
476         for REL32 and REL64.
477         (Target_powerpc::symval_for_branch): New function, extracted from..
478         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
479         checks.  Report overflow errors.
480
481 2012-09-05  Alan Modra  <amodra@gmail.com>
482
483         * object.h (Sized_relobj_file::emit_relocs): Delete.
484         (Sized_relobj_file::emit_relocs_reltype): Delete.
485         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
486         relocate_relocs for --emit-relocs.
487         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
488         * output.h: Update comment.
489         (Output_segment::first_section): New function.
490         (Output_segment::first_section_load_address): Use first_section.
491         * output.cc (Output_segment::first_section): New function extracted..
492         (Output_segment::first_section_load_address): ..from here.  Delete.
493         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
494         * target.h (Sized_target::relocate_for_relocatable): Likewise.
495         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
496         adjust call to target.h function.
497         * i386.cc (Target_i386): Likewise.
498         * sparc.cc (Target_sparc): Likewise.
499         * x86_64.cc (Target_x86_64): Likewise.
500         * powerpc.cc (Target_powerpc): Likewise.
501         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
502         first tls section has section symbol for optimised local dynamic
503         output relocs.
504         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
505         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
506         optimised tls code.
507         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
508         Rename to relocate_relocs.  Update error message.
509
510 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
511
512         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
513         --just-symbols.
514
515 2012-08-31  Alan Modra  <amodra@gmail.com>
516
517         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
518         (Powerpc_relobj::toc_base_offset): New stub function.
519         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
520         got_mod_index_offset to tlsld_got_offset.  Update all refs.
521         (Target_powerpc::Relocate::enum skip_tls): New.
522         (Target_powerpc::call_tls_get_addr_): New var.
523         (Target_powerpc::is_branch_reloc): Move to file scope.
524         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
525         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
526         New functions.
527         (Target_powerpc::enum Got_type): Delete old values, add new ones.
528         (powerpc_info): Correct common_pagesize for ppc64.
529         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
530         (Powerpc_relocate_functions): Add overflow check enums and functions.
531         Add non-shift version of rela, rela_ua.  Delete all rel public
532         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
533         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
534         addr16_ha3, addr14 functions.
535         (Output_data_got_powerpc::add_constant_pair): New function.
536         (Output_data_got_powerpc::got_base_offset): Likewise.
537         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
538         (instruction constants): Sort, add some more.
539         (Output_data_glink::do_write): Add and use Address typedef.  Use
540         object->toc_base_offset() stub for 64-bit.
541         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
542         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
543         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
544         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
545         Always treat .opd relocs as against locally defined symbol.
546         Correct condition for RELATIVE relocs.
547         (Target_powerpc::do_finalize_sections): Test for NULL sections.
548         (Target_powerpc::Relocate::relocate): Use plt call stub as value
549         for 32-bit syms with a plt entry.  Correct ppc64 toc base
550         calculations.  Handle TLS relocs, and more.  Add overflow
551         checking and adjust for Powerpc_relocate_functions changes.
552         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
553         Reinstate --emit-relocs code with FIXME.
554
555 2012-08-30  Alan Modra  <amodra@gmail.com>
556
557         * layout.cc (Layout::set_segment_offsets): Set p_align to
558         abi_pagesize, not common_pagesize.
559         (Layout::relaxation_loop_body): Similarly use abi_pagesize
560         to determine whether file header can go in segment.
561
562 2012-08-30  Alan Modra  <amodra@gmail.com>
563
564         * output.h (Output_reloc::Output_reloc <output section>): Add
565         is_relative param.  Adjust calls.
566         (Output_reloc::add_output_section_relative): New functions.
567         * output.cc (Output_reloc::Output_reloc <output section>): Handle
568         is_relative.
569         (Output_reloc::symbol_value): Handle SECTION_CODE.
570
571 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
572
573         * gold.cc (queue_middle_tasks): Call layout again when unique
574         segments for sections is desired.
575         * layout.cc (Layout::Layout): Initialize new members.
576         (Layout::get_output_section_flags): New function.
577         (Layout::choose_output_section): Call get_output_section_flags.
578         (Layout::layout): Make output section for mapping to a unique segment.
579         (Layout::insert_section_segment_map): New function.
580         (Layout::attach_allocated_section_to_segment): Make unique segment for
581         output sections marked so.
582         (Layout::segment_precedes): Check for unique segments when sorting.
583         * layout.h (Layout::Unique_segment_info): New struct.
584         (Layout::Section_segment_map): New typedef.
585         (Layout::insert_section_segment_map): New function.
586         (Layout::get_output_section_flags): New function.
587         (Layout::is_unique_segment_for_sections_specified): New function.
588         (Layout::set_unique_segment_for_sections_specified): New function.
589         (Layout::unique_segment_for_sections_specified_): New member.
590         (Layout::section_segment_map_): New member.
591         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
592         Rename is_gc_pass_one to is_pass_one.
593         Rename is_gc_pass_two to is_pass_two.
594         Rename is_gc_or_icf to is_two_pass.
595         Check for which pass based on whether symbols data is present.
596         Make it two pass when unique segments for sections is desired.
597         * output.cc (Output_section::Output_section): Initialize new
598         members.
599         * output.h (Output_section::is_unique_segment): New function.
600         (Output_section::set_is_unique_segment): New function.
601         (Output_section::is_unique_segment_): New member.
602         (Output_section::extra_segment_flags): New function.
603         (Output_section::set_extra_segment_flags): New function.
604         (Output_section::extra_segment_flags_): New member.
605         (Output_section::segment_alignment): New function.
606         (Output_section::set_segment_alignment): New function.
607         (Output_section::segment_alignment_): New member.
608         (Output_segment::Output_segment): Initialize is_unique_segment_.
609         (Output_segment::is_unique_segment): New function.
610         (Output_segment::set_is_unique_segment): New function.
611         (Output_segment::is_unique_segment_): New member.
612         * plugin.cc (allow_unique_segment_for_sections): New function.
613         (unique_segment_for_sections): New function.
614         (Plugin::load): Add new functions to transfer vector.
615         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
616         * Makefile.in: Regenerate.
617         * testsuite/plugin_final_layout.sh: Check if unique segment
618         functionality works.
619         * testsuite/plugin_section_order.c (onload): Check if new interfaces
620         are available.
621         (allow_unique_segment_for_sections): New global.
622         (unique_segment_for_sections): New global.
623         (claim_file_hook): Call allow_unique_segment_for_sections.
624         (all_symbols_read_hook): Call unique_segment_for_sections.
625
626 2012-08-22  Cary Coutant  <ccoutant@google.com>
627
628         * layout.cc (Layout::include_section): Don't assert on GROUP
629         sections with --emit-relocs.
630
631 2012-08-21  Cary Coutant  <ccoutant@google.com>
632
633         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
634         if --export-dynamic-symbol names an undef symbol.
635
636 2012-08-18  Alan Modra  <amodra@gmail.com>
637
638         * powerpc.cc: Formatting and white space.
639         (Powerpc_relobj): Rename got2_section_ to special_.
640         Add opd_ent_shndx_ and opd_ent_off_ vectors.
641         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
642         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
643         (Target_powerpc): Add Address typedef and invalid_address.  Use
644         throughout.
645         (Target_powerpc::is_branch_reloc): New function.
646         (Powerpc_relocate_functions): Add Address typedef, use throughout.
647         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
648         for dst_mask, value and addend.
649         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
650         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
651         (Output_data_glink::do_write): Correct toc base.  Don't try to use
652         uint16_t for 24-bit offset.  Use get_output_section_offset and
653         check return.
654         (Target_powerpc::Scan::local): Handle more relocs.
655         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
656         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
657         Plug in toc restoring insn after plt calls.  Translate branches
658         to function descriptor symbols to corresponding entry point.
659         (Target_powerpc::relocate_for_relocatable): Check return from
660         get_output_section_offset.
661         * symtab.h: Comment typo.
662
663 2012-08-14  Ian Lance Taylor  <iant@google.com>
664
665         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
666         unsupported_relocal_local to call unsupported_reloc_global.
667
668 2012-08-14  Nick Clifton  <nickc@redhat.com>
669
670         PR ld/14265
671         * script-sections.cc (Sections_element::output_section_name): Add
672         keep return parameter.
673         (Output_section_element::match_name): Add keep return parameter.
674         Return the value of the keep_ member.
675         * script-sections.h (class Output_section): Update
676         output_section_name prototype.
677         * layout.cc (Layout::keep_input_section): New public member
678         function.
679         (Layout::choose_output_section): Pass keep parameter to
680         output_section_name.
681         * layout.h (class Layout): Add keep_input_section.
682         * object.cc (Sized_relobj_file::do_layout): Check for kept input
683         sections.
684         * testsuite/Makefile.am: Add a test.
685         * testsuite/Makefile.in: Regenerate.
686         * testsuite/pr14265.c: Source file for the test.
687         * testsuite/pr14265.t: Linker script for the test.
688         * testsuite/pr14265.sh: Shell script for the test.
689
690 2012-08-14  Alan Modra  <amodra@gmail.com>
691
692         * target.h (Target::output_section_name): New function.
693         (Target::do_output_section_name): New function.
694         * layout.cc (Layout::choose_output_section): Call the above.
695         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
696
697 2012-08-14  Alan Modra  <amodra@gmail.com>
698
699         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
700         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
701         for replace_constant call.
702         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
703         (Output_data_glink::do_print_to_mapfile): New function.
704         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
705         (Target_powerpc::Relocate::relocate): Likewise.
706
707 2012-08-14  Alan Modra  <amodra@gmail.com>
708
709         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
710         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
711         (Output_data_glink::add_entry,find_entry): Remove shndx param.
712         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
713         all references to shndx_.  Handle special case for R_PPC_PLTREL24
714         here.
715         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
716         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
717         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
718         here.
719         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
720         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
721
722 2012-08-12  Alan Modra  <amodra@gmail.com>
723
724         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
725         (glink insn constants): Use uint32_t.
726         (Output_data_glink::add_entry): Use insert, not [] operator.
727
728 2012-08-11  Alan Modra  <amodra@gmail.com>
729
730         * object.h (Sized_relobj_file::find_shdr): New function.
731         (Sized_relobj_file::find_special_sections): New function.
732         * object.cc (Sized_relobj_file::find_shdr): New function.
733         (Sized_relobj_file::find_eh_frame): Use find_shdr.
734         (Sized_relobj_file::find_special_sections): New function, split out..
735         (Sized_relobj_file::do_read_symbols): ..from here.
736         * output.h (Output_data_got::replace_constant): New function.
737         (Output_data_got::num_entries): New function.
738         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
739         (Output_data_got::got_offset): Protected rather than private.
740         (Output_data_got::replace_got_entry): New function.
741         * output.cc (Output_data_got::replace_got_entry): New function.
742         * powerpc.cc (class Powerpc_relobj): New.
743         (class Powerpc_relocate_functions): Delete all psymval variants or
744         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
745         Implement _ha functions using corresponding _hi function.
746         (Powerpc_relobj::find_special_sections): New function.
747         (Target_powerpc::do_make_elf_object): New function.
748         (class Output_data_got_powerpc): New.
749         (class Output_data_glink): New.
750         (class Powerpc_scan_relocatable_reloc): New.
751         Many more changes througout file.
752
753 2012-08-09  Nick Clifton  <nickc@redhat.com>
754
755         * po/vi.po: Updated Vietnamese translation.
756
757 2012-08-07  Ian Lance Taylor  <iant@google.com>
758
759         * layout.cc (Layout::add_target_dynamic_tags): If
760         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
761         plt_rel.
762
763 2012-07-30  Nick Clifton  <nickc@redhat.com>
764
765         * po/gold.pot: Updated template.
766         * po/es.po: Updated Spanish translation.
767
768 2012-07-18  Cary Coutant  <ccoutant@google.com>
769
770         PR gold/14344
771         * configure.ac: Add check for -gpubnames support.
772         * configure: Regenerate.
773         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
774         support; force -gno-pubnames.
775         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
776         support.
777         (gdb_index_test_4): New test.
778         * testsuite/Makefile.in: Regenerate.
779         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
780         * testsuite/gdb_index_test_2.sh: Likewise.
781         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
782         * testsuite/gdb_index_test_4.sh: New script.
783         * testsuite/gdb_index_test_comm.sh: New script with common code;
784         don't look for space after colon.
785
786 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
787
788         * gold.cc (queue_middle_tasks): Update function order only after
789         deferred objects due to plugins are processed.
790
791 2012-07-11  Ian Lance Taylor  <iant@google.com>
792
793         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
794         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
795         (Target_arm::scan_reloc_for_stub): Likewise.
796         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
797         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
798         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
799         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
800         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
801
802 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
803             Ian Lance Taylor  <iant@google.com>
804
805         PR gold/14309
806         * configure.ac: Test whether std::tr1::hash<off_t> works.
807         * gold.h: Add a specialization for std::tr1::hash<off_t> if
808         needed.
809         * output.h (class Output_fill): Add virtual destructor.
810         * configure, config.in: Rebuild.
811
812 2012-06-22  Roland McGrath  <mcgrathr@google.com>
813
814         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
815
816 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
817
818         * plugin.cc (Plugin::load): Handle position independent executables.
819
820 2012-06-06  Cary Coutant  <ccoutant@google.com>
821
822         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
823         add .debug_macro.
824         (lines_only_debug_sections): Likewise.
825         (gdb_fast_lookup_sections): New static array.
826         (is_gdb_debug_section): Rename formal parameter.
827         (is_lines_only_debug_section): Likewise.
828         (is_gdb_fast_lookup_section): New function.
829         (Layout::include_section): Check for ".zdebug_" prefix; pass
830         section name suffix to is_gdb_debug_section, et al.; check for
831         fast-lookup sections when building .gdb_index.
832         * options.h (--strip-debug-gdb): Update GDB version number.
833
834 2012-06-06  Cary Coutant  <ccoutant@google.com>
835
836         * configure.ac: Add check for fallocate.
837         * configure: Regenerate.
838         * config.in: Regenerate.
839
840         * options.h (class General_options): Add --mmap-output-file and
841         --posix-fallocate options.
842         * output.cc: (posix_fallocate): Remove; replace with...
843         (gold_fallocate): New function.
844         (Output_file::map_no_anonymous): Call gold_fallocate.
845         (Output_file::map): Check --mmap-output-file option.
846
847 2012-06-05  Jing Yu  <jingyu@google.com>
848
849         * gold.h (textdomain): Add do {} to empty while(0).
850         (bindtextdomain): Likewise.
851
852 2012-06-04  Cary Coutant  <ccoutant@google.com>
853
854         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
855         has_dynsym_index.
856
857 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
858
859         * symtab.cc (Symbol_table::define_special_symbol):
860         Initialize *poldsym to prevent uninitialized variable errors.
861
862 2012-05-23  Cary Coutant  <ccoutant@google.com>
863
864         * layout.cc (Layout::section_name_mapping): Add rules to handle
865         exact match on .data.rel.ro.local or .data.rel.ro.
866         (Layout::output_section_name): Check for exact matches.
867
868 2012-05-23  Cary Coutant  <ccoutant@google.com>
869
870         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
871         more carefully.
872
873 2012-05-22  Cary Coutant  <ccoutant@google.com>
874
875         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
876         object before exporting symbol.
877
878 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
879
880         * testsuite/tls_test.cc: Include "config.h" first.
881         * testsuite/tls_test_c.c: Likewise.
882
883 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
884             Nick Clifton  <nickc@redhat.com>
885
886         PR 14072
887         * configure.in: Add check that sysdep.h has been included before
888         any system header files.
889         * configure: Regenerate.
890         * config.in: Regenerate.
891
892 2012-05-14  Cary Coutant  <ccoutant@google.com>
893
894         * layout.cc (Layout::make_output_section): Mark .tdata section
895         as RELRO.
896         * testsuite/relro_test.cc: Add a TLS variable.
897
898 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
899
900         PR gold/14091
901         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
902         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
903         R_X86_64_64.
904
905 2012-05-08  Cary Coutant  <ccoutant@google.com>
906
907         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
908         (lines_only_debug_sections): Likewise.
909
910 2012-05-02  Roland McGrath  <mcgrathr@google.com>
911
912         * nacl.cc: New file.
913         * nacl.h: New file.
914         * Makefile.am (CCFILES, HFILES): Add them.
915         * Makefile.in: Regenerate.
916         * i386.cc (Output_data_plt_i386_nacl): New class.
917         (Output_data_plt_i386_nacl_exec): New class.
918         (Output_data_plt_i386_nacl_dyn): New class.
919         (Target_i386_nacl): New class.
920         (Target_selector_i386_nacl): New class.
921         (target_selector_i386): Use it instead of Target_selector_i386.
922         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
923         (Target_x86_64_nacl): New class.
924         (Target_selector_x86_64_nacl): New class.
925         (target_selector_x86_64, target_selector_x32): Use it instead of
926         Target_selector_x86_64.
927         * arm.cc (Output_data_plt_arm_nacl): New class.
928         (Target_arm_nacl): New class.
929         (Target_selector_arm_nacl): New class.
930         (target_selector_arm, target_selector_armbe): Use it instead of
931         Target_selector_arm.
932
933         * target-select.cc (select_target): Take new Input_file* and off_t
934         arguments, pass them on to recognize method of selector.
935         * object.cc (make_elf_sized_object): Update caller.
936         * parameters.cc (parameters_force_valid_target): Likewise.
937         * incremental.cc (make_sized_incremental_binary): Likewise.
938         * target-select.h: Update decl.
939         (Target_selector::recognize): Take new Input_file* argument,
940         pass it on to do_recognize.
941         (Target_selector::do_recognize): Take new Input_file* argument.
942         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
943         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
944         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
945         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
946
947         * target.h (Target::Target_info): New members isolate_execinstr
948         and rosegment_gap.
949         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
950         * arm.cc (Target_arm::arm_info): Update initializer.
951         * i386.cc (Target_i386::i386_info): Likewise.
952         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
953         * sparc.cc (Target_sparc::sparc_info): Likewise.
954         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
955         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
956         * layout.cc (Layout::attach_allocated_section_to_segment):
957         Take new const Target* argument.  If target->isolate_execinstr(), act
958         like --rosegment.
959         (Layout::find_first_load_seg): Take new const Target* argument;
960         if target->isolate_execinstr(), reject PF_X segments.
961         (Layout::relaxation_loop_body): Update caller.
962         (Layout::set_segment_offsets): If target->isolate_execinstr(),
963         reset file offset to zero when we hit LOAD_SEG, and then do a second
964         loop over the segments before LOAD_SEG to reassign offsets after
965         addresses have been determined.  Handle target->rosegment_gap().
966         (Layout::attach_section_to_segment): Take new const Target* argument;
967         pass it to attach_allocated_section_to_segment.
968         (Layout::make_output_section): Update caller.
969         (Layout::attach_sections_to_segments): Take new const Target* argument;
970         pass it to attach_section_to_segment.
971         * gold.cc (queue_middle_tasks): Update caller.
972         * layout.h (Layout): Update method decls with new arguments.
973
974         * arm.cc (Target_arm::Target_arm): Take optional argument for the
975         Target_info pointer to use.
976         (Target_arm::do_make_data_plt): New virtual method.
977         (Target_arm::make_data_plt): New method that calls it.
978         (Target_arm::make_plt_entry): Use it.
979         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
980         for the section alignment.
981         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
982         method.
983         (Output_data_plt_arm::first_plt_entry_offset): Call it.
984         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
985         method.
986         (Output_data_plt_arm::get_plt_entry_size): Call it.
987         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
988         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
989         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
990         method.
991         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
992         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
993         method instead of sizeof(plt_entry).
994         (Output_data_plt_arm::add_entry): Likewise.
995         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
996         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
997         than static method.
998         (Target_arm::plt_entry_size): Likewise.
999         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1000         Move to ...
1001         (Output_data_plt_arm_standard): ... here, new class.
1002         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1003         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1004         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1005
1006         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1007         Take additional argument for the PLT entry size.
1008         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1009         Use get_plt_entry_size method rather than plt_entry_size variable.
1010         (Output_data_plt_x86_64::reserve_slot): Likewise.
1011         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1012         (Output_data_plt_x86_64::add_entry): Likewise.
1013         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1014         (Output_data_plt_x86_64::address_for_global): Likewise.
1015         (Output_data_plt_x86_64::address_for_local): Likewise.
1016         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1017         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1018         Make method non-static.
1019         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1020         method.
1021         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1022         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1023         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1024         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1025         virtual method.
1026         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1027         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1028         virtual method.
1029         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1030         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1031         virtual method.
1032         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1033         (Output_data_plt_x86_64::plt_entry_size)
1034         (Output_data_plt_x86_64::first_plt_entry)
1035         (Output_data_plt_x86_64::plt_entry)
1036         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1037         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1038         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1039         (Output_data_plt_x86_64_standard): ... here, new class.
1040         (Target_x86_64::Target_x86_64): Take optional argument for the
1041         Target_info pointer to use.
1042         (Target_x86_64::do_make_data_plt): New virtual method.
1043         (Target_x86_64::make_data_plt): New method to call it.
1044         (Target_x86_64::init_got_plt_for_update): Use that.
1045         Call this->plt_->add_eh_frame method here.
1046         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1047         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1048         rather than static method.
1049         (Target_x86_64::plt_entry_size): Likewise.
1050         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1051         rather than plt_entry_size variable.  Move guts of PLT filling to...
1052         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1053         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1054         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1055
1056         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1057         additional argument for the section alignment.
1058         Don't do add_eh_frame_for_plt here.
1059         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1060         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1061         variable.
1062         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1063         method.
1064         (Output_data_plt_i386::get_plt_entry_size): Call it.
1065         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1066         (Output_data_plt_i386::add_eh_frame): New method to call it.
1067         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1068         method.
1069         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1070         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1071         method.
1072         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1073         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1074         method instead of plt_entry_size.
1075         (Output_data_plt_i386::plt_entry_size)
1076         (Output_data_plt_i386::plt_eh_frame_fde_size)
1077         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1078         (Output_data_plt_i386_standard): ... here, new class.
1079         (Output_data_plt_i386_exec): New class.
1080         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1081         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1082         (Output_data_plt_i386::exec_plt_entry): Move to ...
1083         (Output_data_plt_i386_exec::plt_entry): ... here.
1084         (Output_data_plt_i386_dyn): New class.
1085         (Output_data_plt_i386::first_plt_entry): Move to ...
1086         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1087         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1088         (Output_data_plt_i386_dyn::plt_entry): ... here.
1089         (Target_i386::Target_i386): Take optional argument for the Target_info
1090         pointer to use.
1091         (Target_i386::do_make_data_plt): New virtual method.
1092         (Target_i386::make_data_plt): New method to call it.
1093         (Target_i386::make_plt_section): Use that.
1094         Call this->plt_->add_eh_frame method here.
1095         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1096         rather than plt_entry_size variable.
1097         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1098         (Output_data_plt_i386::address_for_local): Likewise.
1099         (Output_data_plt_i386::do_write): Likewise.
1100         Move guts of PLT filling to...
1101         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1102         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1103         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1104         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1105
1106 2012-05-01  Cary Coutant  <ccoutant@google.com>
1107
1108         * dwarf_reader.cc (Dwarf_die::read_attributes)
1109         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1110         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1111         * reduced_debug_output.cc
1112         (Output_reduced_debug_info_section::get_die_end): Remove
1113         DW_FORM_GNU_ref_index.  Add default case.
1114
1115 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1116
1117         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1118         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1119         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1120         DW_AT_high_pc as offset from DW_AT_low_pc.
1121
1122         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1123         * testsuite/Makefile.in: Regenerate.
1124         * testsuite/gdb_index_test_3.c: New test source file.
1125         * testsuite/gdb_index_test_3.sh: New test source file.
1126
1127 2012-04-25  Ian Lance Taylor  <iant@google.com>
1128
1129         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1130         pointer.
1131         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1132         as a class, not a struct.
1133         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1134         (Target_arm::apply_cortex_a8_workaround): Likewise.
1135         * gc.h: Declare Reloc_types as a struct, not a class.
1136         * object.h: Declare Symbols_data as a struct.
1137         * reloc.h: Declare Read_relocs_data as a struct.
1138         * target.h: Declare Relocate_info as a struct.
1139
1140 2012-04-24  David S. Miller  <davem@davemloft.net>
1141
1142         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1143         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1144         and R_SPARC_WPLT30.
1145
1146 2012-04-24  Cary Coutant  <ccoutant@google.com>
1147
1148         * incremental-dump.cc (find_input_containing_global): Replace
1149         magic number with symbolic constant.
1150         (dump_incremental_inputs): Update version number.
1151         * incremental.cc (Output_section_incremental_inputs): Update version
1152         number; import symbolic constants from Incremental_inputs_reader.
1153         (Incremental_inputs::create_data_sections): Align relocations
1154         section correctly for 64-bit targets.
1155         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1156         constants; add padding.
1157         (Output_section_incremental_inputs::write_header): Add assert for
1158         header_size.
1159         (Output_section_incremental_inputs::write_input_files): Add assert
1160         for input_entry_size.
1161         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1162         add assert for object_info_size, input_section_entry_size,
1163         global_sym_entry_size.
1164         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1165         for data structure sizes; use them.
1166         (Incremental_input_entry_reader): Import symbolic constants from
1167         Incremental_inputs_reader; use them.
1168
1169 2012-04-23  David S. Miller  <davem@davemloft.net>
1170
1171         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1172         and elf_flags_set_.
1173         (Target_sparc::Target_sparc): Initialize new fields.
1174         (Target_sparc::do_make_elf_object): New function.
1175         (Target_sparc::do_adjust_elf_header): New function.
1176
1177 2012-04-23  Cary Coutant  <ccoutant@google.com>
1178
1179         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1180         CU range table of gdb index.
1181
1182 2012-04-20  David S. Miller  <davem@davemloft.net>
1183
1184         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1185         instead of false.
1186
1187 2012-04-16  David S. Miller  <davem@davemloft.net>
1188
1189         * sparc.cc (Target_sparc::got_address): New function.
1190         (Sparc_relocate_functions::gdop_hix22): New function.
1191         (Sparc_relocate_functions::gdop_lox10): New function.
1192         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1193         relocs.
1194         (Target_sparc::Scan::local): Likewise if the global symbol is not
1195         preemptible and is not IFUNC.
1196         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1197         transformations for local and non-preemptible non-IFUNC global
1198         symbols.
1199
1200         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1201         writing out 64-bit part of ranges.
1202
1203         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1204         -fpic and -fpie respectively.
1205         * Makefile.in: Regenerate.
1206
1207         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1208         (Target_sparc::Target_sparc): Initialize new field.
1209         (Target_sparc::do_plt_section_for_global): New function.
1210         (Target_sparc::do_plt_section_for_local): New function.
1211         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1212         (Target_sparc::make_plt_section): New function, broken out of
1213         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1214         (Target_sparc::make_plt_entry): Call make_plt_section.
1215         (Target_sparc::make_local_ifunc_plt_entry): New function.
1216         (Target_sparc::rela_ifunc_section): New function.
1217         (Target_sparc::plt_section): Remove const.
1218         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1219         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1220         and ifunc_count_ fields.
1221         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1222         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1223         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1224         (Output_data_plt_sparc::rela_ifunc): New function.
1225         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1226         (Output_data_plt_sparc::has_ifunc_section): New function.
1227         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1228         (Output_data_plt_sparc::address_for_global): New function.
1229         (Output_data_plt_sparc::address_for_local): New function.
1230         (Output_data_plt_sparc::plt_index_to_offset): New function.
1231         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1232         and entry_count.
1233         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1234         entry_count.
1235         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1236         R_SPARC_JMP_IREL to switch.
1237         (Target_sparc::Scan::check_non_pic): Likewise.
1238         (Target_sparc::Scan::local): Handle IFUNC symbols.
1239         (Target_sparc::Scan::local): Likewise.
1240         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1241         and plt_address_for_local.
1242         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1243         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1244
1245         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1246         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1247         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1248         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1249         global relocs too.
1250         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1251         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1252         calls.
1253         * sparc.cc (Target_sparc::Scan::global): Likewise.
1254         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1255
1256 2012-04-16  Cary Coutant  <ccoutant@google.com>
1257
1258         * archive.cc (Library_base::should_include_member): Check for
1259         --export-dynamic-symbol.
1260         * options.h (class General_options): Add --export-dynamic-symbol.
1261         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1262         --export-dynamic-symbol.
1263         (Symbol_table::gc_mark_undef_symbols): Likewise.
1264         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1265
1266 2012-04-12  David S. Miller  <davem@davemloft.net>
1267
1268         * sparc.cc (Reloc::wdisp10): New relocation method.
1269         (Reloc::h34): Likewise.
1270         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1271         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1272         R_SPARC_WDISP10.
1273         (Target_sparc::Scan::local): Likewise.
1274         (Target_sparc::Scan::global): Likewise.
1275         (Target_sparc::Relocate::relocate): Likewise.
1276
1277 2012-04-09  Cary Coutant  <ccoutant@google.com>
1278
1279         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1280         low_pc == 0.
1281
1282 2012-04-06  Ian Lance Taylor  <iant@google.com>
1283
1284         * timer.cc: #include <unistd.h>.
1285
1286 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1287
1288         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1289         * config.in: Regenerate.
1290         * configure: Regenerate.
1291
1292 2012-04-05  Nick Clifton  <nickc@redhat.com>
1293
1294         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1295         (AM_LC_MESSAGES): Add.
1296         * aclocal.m4: Regenerate.
1297         * config.in: Regenerate.
1298         * configure: Regenerate.
1299
1300 2012-03-21  Cary Coutant  <ccoutant@google.com>
1301
1302         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1303         * Makefile.in: Regenerate.
1304         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1305         (Sized_elf_reloc_mapper::symbol_section): New function.
1306         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1307         (make_elf_reloc_mapper): New function.
1308         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1309         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1310         (Dwarf_abbrev_table::do_get_abbrev): New function.
1311         (Dwarf_ranges_table::read_ranges_table): New function.
1312         (Dwarf_ranges_table::read_range_list): New function.
1313         (Dwarf_pubnames_table::read_section): New function.
1314         (Dwarf_pubnames_table::read_header): New function.
1315         (Dwarf_pubnames_table::next_name): New function.
1316         (Dwarf_die::Dwarf_die): New function.
1317         (Dwarf_die::read_attributes): New function.
1318         (Dwarf_die::skip_attributes): New function.
1319         (Dwarf_die::set_name): New function.
1320         (Dwarf_die::set_linkage_name): New function.
1321         (Dwarf_die::attribute): New function.
1322         (Dwarf_die::string_attribute): New function.
1323         (Dwarf_die::int_attribute): New function.
1324         (Dwarf_die::uint_attribute): New function.
1325         (Dwarf_die::ref_attribute): New function.
1326         (Dwarf_die::child_offset): New function.
1327         (Dwarf_die::sibling_offset): New function.
1328         (Dwarf_info_reader::check_buffer): New function.
1329         (Dwarf_info_reader::parse): New function.
1330         (Dwarf_info_reader::do_parse): New function.
1331         (Dwarf_info_reader::do_read_string_table): New function.
1332         (Dwarf_info_reader::lookup_reloc): New function.
1333         (Dwarf_info_reader::get_string): New function.
1334         (Dwarf_info_reader::visit_compilation_unit): New function.
1335         (Dwarf_info_reader::visit_type_unit): New function.
1336         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1337         Sized_elf_reloc_mapper.
1338         (Sized_dwarf_line_info::symbol_section): Remove function.
1339         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1340         (Sized_dwarf_line_info::read_line_mappings): Remove object
1341         parameter, adjust callers.
1342         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1343         * dwarf_reader.h: Include <sys/types.h>.
1344         (class Track_relocs): Remove forward declaration.
1345         (class Elf_reloc_mapper): New class.
1346         (class Sized_elf_reloc_mapper): New class.
1347         (class Dwarf_abbrev_table): New class.
1348         (class Dwarf_range_list): New class.
1349         (class Dwarf_ranges_table): New class.
1350         (class Dwarf_pubnames_table): New class.
1351         (class Dwarf_die): New class.
1352         (class Dwarf_info_reader): New class.
1353         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1354         (Sized_dwarf_line_info::symbol_section): Remove member function.
1355         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1356         base class.
1357         * gdb-index.cc: New source file.
1358         * gdb-index.h: New source file.
1359         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1360         and .debug_types sections, call Layout::add_to_gdb_index.
1361         (Sized_relobj_incr::do_section_name): Implement.
1362         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1363         return type; Implement.
1364         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1365         return type.
1366         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1367         parameter list and return type.
1368         (Sized_incr_dynobj::do_section_contents): Likewise.
1369         * layout.cc: Include gdb-index.h.
1370         (Layout::Layout): Initialize gdb_index_data_.
1371         (Layout::init_fixed_output_section): Check for .gdb_index section.
1372         (Layout::add_to_gdb_index): New function. Instantiate.
1373         * layout.h: Add forward declaration for class Gdb_index.
1374         (Layout::add_to_gdb_index): New member function.
1375         (Layout::gdb_index_data_): New data member.
1376         * main.cc: Include gdb-index.h.
1377         (main): Print statistics for gdb index.
1378         * object.cc (Object::section_contents): Move code into
1379         do_section_contents.
1380         (need_decompressed_section): Check for sections needed when building
1381         gdb index.
1382         (build_compressed_section_map): Likewise.
1383         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1384         gdb index.
1385         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1386         sections; call Layout::add_to_gdb_index.
1387         (Sized_relobj_file::do_decompressed_section_contents): Call
1388         do_section_contents directly.
1389         * object.h (Object::do_section_contents): Adjust parameter list and
1390         return type.
1391         (Object::do_decompressed_section_contents): Call do_section_contents
1392         directly.
1393         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1394         return type.
1395         * options.h (class General_options): Add --gdb-index option.
1396         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1397         list and return type.
1398         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1399         * reloc.h (Track_relocs::checkpoint): New function.
1400         (Track_relocs::reset): New function.
1401
1402         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1403         New test cases.
1404         * testsuite/Makefile.in: Regenerate.
1405         * testsuite/gdb_index_test.cc: New test source file.
1406         * testsuite/gdb_index_test_1.sh: New test source file.
1407         * testsuite/gdb_index_test_2.sh: New test source file.
1408
1409 2012-03-19  Doug Kwan  <dougkwan@google.com>
1410
1411         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1412         (Target_arm::do_finalize_sections): Remove code which defines
1413         __exidx_start and __exidx_end.  Make symbol table parameter
1414         anonymous as it is not used.
1415         * gold.cc (queue_middle_tasks): Call target hook to define any
1416         target-specific symbols.
1417         * target.h (Target::define_standard_symbols): New method.
1418         (Target::do_define_standard_symbols): Same.
1419         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1420         * testsuite/Makefile.in: Regenerate.
1421         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1422         and __exidx_end.
1423         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1424         relocations are generated for __exidx_start and __exidx_end.
1425
1426 2012-03-16  Doug Kwan  <dougkwan@google.com>
1427
1428         * testsuite/Makefile.am: Disable test initpri3b.
1429         * testsuite/Makefile.in: Regenerate.
1430
1431 2012-03-15  Doug Kwan  <dougkwan@google.com>
1432
1433         * arm.cc (Target_arm::got_section): Make .got section read-only
1434         if -z now is given.
1435
1436 2012-03-15  Ian Lance Taylor  <iant@google.com>
1437
1438         PR gold/13850
1439         * layout.cc (Layout::make_output_section): Correctly mark
1440         SHT_INIT_ARRAY, et. al., as relro.
1441
1442 2012-03-14  Doug Kwan  <dougkwan@google.com>
1443
1444         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1445         dynamic relocations for protected symbols in shared objects.
1446
1447 2012-03-13  Ian Lance Taylor  <iant@google.com>
1448
1449         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1450         keep the larger alignment.
1451
1452 2012-03-12  Cary Coutant  <ccoutant@google.com>
1453
1454         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1455         handling of DW_LNE_define_file.
1456
1457 2012-03-12  Cary Coutant  <ccoutant@google.com>
1458
1459         * reduced_debug_output.cc
1460         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1461         codes to switch.
1462
1463 2012-02-29  Cary Coutant  <ccoutant@google.com>
1464
1465         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1466
1467 2012-02-29  Cary Coutant  <ccoutant@google.com>
1468
1469         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1470         Call Object::decompressed_section_contents.
1471         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1472         New dtor.
1473         (Sized_dwarf_line_info::buffer_start_): New data member.
1474         * merge.cc (Output_merge_data::do_add_input_section): Call
1475         Object::decompressed_section_contents.
1476         (Output_merge_string::do_add_input_section): Likewise.
1477         * object.cc (need_decompressed_section): New function.
1478         (build_compressed_section_map): Decompress sections needed later.
1479         (Sized_relobj_file::do_decompressed_section_contents): New function.
1480         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1481         * object.h (Object::decompressed_section_contents): New function.
1482         (Object::discard_decompressed_sections): New function.
1483         (Object::do_decompressed_section_contents): New function.
1484         (Object::do_discard_decompressed_sections): New function.
1485         (Compressed_section_info): New type.
1486         (Compressed_section_map): Include decompressed section contents.
1487         (Sized_relobj_file::do_decompressed_section_contents): New function.
1488         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1489
1490 2012-02-16  Cary Coutant  <ccoutant@google.com>
1491
1492         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1493         * testsuite/Makefile.in: Regenerate.
1494
1495 2012-02-14  Cary Coutant  <ccoutant@google.com>
1496
1497         * options.cc (General_options::finalize): Disallow -pie and -static.
1498
1499 2012-02-03  Doug Kwan  <dougkwan@google.com>
1500
1501         * arm.cc (Arm_relocate_functions::abs8,
1502         Arm_relocate_functions::abs16): Use
1503         Bits::has_signed_unsigned_overflow32.
1504         (Arm_relocate_functions::thm_abs8): Correct range of
1505         overflow check.
1506         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1507         in assertions.
1508
1509 2012-02-02  Doug Kwan  <dougkwan@google.com>
1510
1511         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1512         position independent outputs, not just shared objects.
1513
1514 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1515
1516         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1517         * configure: Regenerated.
1518
1519 2012-01-27  Ian Lance Taylor  <iant@google.com>
1520
1521         * reloc.h (Bits): New class with static functions, copied from
1522         namespace utils in arm.cc.
1523         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1524         instead.
1525
1526 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1527
1528         * incremental.cc (write_info_blocks): Correct relocation offset.
1529
1530 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1531
1532         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1533         (Relocate::tls_gd_to_le): Likewise.
1534
1535 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1536
1537         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1538
1539 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1540
1541         * configure.ac: Check if -mcmodel=medium works.
1542         * configure: Regenerated.
1543
1544 2012-01-24  Cary Coutant  <ccoutant@google.com>
1545
1546         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1547         definition and ...
1548         (read_unsigned_LEB_128_x): ... this new function.
1549         (read_signed_LEB_128): Replaced with inline definition and ...
1550         (read_signed_LEB_128_x): ... this new function.
1551         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1552         (read_unsigned_LEB_128): Add inline definition.
1553         (read_signed_LEB_128_x): New function.
1554         (read_signed_LEB_128): Add inline definition.
1555         * testsuite/Makefile.am (leb128_unittest): New unit test.
1556         * testsuite/Makefile.in: Regenerate.
1557         * testsuite/leb128_unittest.cc: New unit test.
1558
1559 2012-01-23  Ian Lance Taylor  <iant@google.com>
1560
1561         PR gold/13617
1562         * i386.cc (Target_i386::do_code_fill): When using a jmp
1563         instruction, pad with nop instructions.
1564         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1565
1566 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1567
1568         * x86_64.cc (gc_process_relocs): Add typename on types used in
1569         template.
1570         (scan_relocs): Likewise.
1571         (relocate_section): Likewise.
1572         (apply_relocation): Likewise.
1573
1574 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1575
1576         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1577         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1578         under x32.
1579
1580 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1581
1582         * x86_64.cc: Initial support for x32.
1583
1584 2012-01-03  Cary Coutant  <ccoutant@google.com>
1585
1586         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1587         Use abstract base class for GOT.
1588         * gold/output.h (class Output_data_got_base): New abstract base class.
1589         (class Output_data_got): Derive from new base class, adjust ctors.
1590         (Output_data_got::reserve_slot): Make virtual; rename to
1591         do_reserve_slot; Adjust callers.
1592         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1593         pointer to abstract base class.
1594         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1595
1596 2011-12-18  Ian Lance Taylor  <iant@google.com>
1597
1598         * object.h (Relobj::local_symbol_value): New function.
1599         (Relobj::local_plt_offset): New function.
1600         (Relobj::local_has_got_offset): New function.
1601         (Relobj::local_got_offset): New function.
1602         (Relobj::set_local_got_offset): New function.
1603         (Relobj::do_local_symbol_value): New pure virtual function.
1604         (Relobj::do_local_plt_offset): Likewise.
1605         (Relobj::do_local_has_got_offset): Likewise.
1606         (Relobj::do_local_got_offset): Likewise.
1607         (Relobj::do_set_local_got_offset): Likewise.
1608         (Sized_relobj::do_local_has_got_offset): Rename from
1609         local_has_got_offset.
1610         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1611         (Sized_relobj::do_set_local_got_offset): Rename from
1612         set_local_got_offset.
1613         (Sized_relobj_file::do_local_plt_offset): Rename from
1614         local_plt_offset.
1615         (Sized_relobj_file::do_local_symbol_value): New function.
1616         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1617         local_plt_offset.
1618         * output.cc (Output_data_got::Got_entry::write): Change object to
1619         Relobj.  Use local_symbol_value.
1620         (Output_data_got::add_global_with_rel): Change rel_dyn to
1621         Output_data_reloc_generic*.  Use add_global_generic.
1622         (Output_data_got::add_global_with_rela): Remove.  Change all
1623         callers to use add_global_with_rel.
1624         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1625         Output_data_reloc_generic*.  Use add_global_generic.
1626         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1627         callers to use add_global_pair_with_rel.
1628         (Output_data_got::add_local): Change object to Relobj*.
1629         (Output_data_got::add_local_plt): Likewise.
1630         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1631         change rel_dyn to Output_data_reloc_generic*.  Use
1632         add_local_generic.
1633         (Output_data_got::add_local_with_rela): Remove.  Change all
1634         callers to use all_local_with_rel.
1635         (Output_data_got::add_local_pair_with_rel): Change object to
1636         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1637         add_output_section_generic.
1638         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1639         callers to use add_local_pair_with_rel.
1640         (Output_data_got::reserve_local): Change object to Relobj*.
1641         * output.h: (class Output_data_reloc_generic): Add pure virtual
1642         declarations for add_global_generic, add_local_generic,
1643         add_output_section_generic.
1644         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1645         functions for Output_data_reloc_generic.  Update declarations for
1646         changes listed in output.cc.
1647         (class Output_data_got): Change template parameter to got_size.
1648         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1649         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1650         function.
1651         (Sized_relobj_incr::do_local_plt_offset): New function.
1652         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1653         add_global_generic.
1654
1655 2011-12-17  Cary Coutant  <ccoutant@google.com>
1656
1657         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1658         * resolve.cc (Symbol_table::resolve): Likewise.
1659         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1660         arrays.
1661         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1662
1663 2011-12-16  Ian Lance Taylor  <iant@google.com>
1664
1665         * output.h (Output_data_reloc_generic::add): Only call
1666         add_dynamic_reloc if this is a dynamic reloc section.
1667
1668 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1669
1670         PR gold/13505
1671         * target-reloc.h (apply_relocation): Replace <64, false> with
1672         <size, big_endian>.
1673
1674 2011-11-25  Nick Clifton  <nickc@redhat.com>
1675
1676         * po/it.po: New Italian translation.
1677
1678 2011-11-17  Sterling Augustine  <saugustine@google.com>
1679
1680         * script.cc (script_include_directive): Implement.
1681         (read_script_file): New local variables name and search_path. Update
1682         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1683         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1684         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1685
1686 2011-11-11  Sterling Augustine  <saugustine@google.com>
1687
1688         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1689         (file_or_sections_cmd): Likewise.
1690
1691 2011-11-11  Doug Kwan  <dougkwan@google.com>
1692
1693         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1694         if --just-symbols is given.
1695
1696 2011-11-10  Doug Kwan  <dougkwan@google.com>
1697
1698         PR gold/13362
1699         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1700         when processing data relocs.
1701         * reloc.h (Relocate_functions::rel_unaligned): New method.
1702         (Relocate_functions::pcrel_unaligned): Ditto.
1703         (Relocate_functions::rel32_unaligned): Ditto.
1704         (Relocate_functions::pcrel32_unaligned): Ditto.
1705
1706 2011-11-09  Doug Kwan  <dougkwan@google.com>
1707
1708         PR gold/13362
1709         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1710         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1711         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1712         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1713         (Relocate_functions::rel_unaligned): New.
1714         (Relocate_functions::rel32_unaligned): New.
1715         * target-reloc.h (relocate_for_relocatable): Add code to handle
1716         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1717         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1718         arm_unaligned_reloc_r): New targets.
1719         * testsuite/Makefile.in: Regenerate.
1720         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1721         linking.
1722
1723 2011-11-02  Ian Lance Taylor  <iant@google.com>
1724
1725         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1726         NATIVE_LINKER.
1727         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1728         * options.cc (General_options::finalize): Use library search path
1729         from configure script if specified.  If not native and no sysroot,
1730         only search TOOLLIBDIR.
1731         * options.h (Search_directory::Search_directory): Change name to
1732         const std::string&.
1733         (General_options::add_to_library_path_with_sysroot): Change arg to
1734         const std::string&.
1735         * configure, Makefile.in, config.in: Rebuild.
1736
1737 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1738
1739         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1740         we are working around the ARM1176 Erratum.
1741         * options.h (General_options::fix_arm1176): Add option.
1742         * testsuite/Makefile.am: Add testcases, and keep current ones
1743         working.
1744         * testsuite/Makefile.in: Regenerate.
1745         * testsuite/arm_fix_1176.s: New file.
1746         * testsuite/arm_fix_1176.sh: Likewise.
1747
1748 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1749
1750         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1751         may_use_blx_.
1752         (Target_arm::may_use_blx): Remove method.
1753         (Target_arm::set_may_use_blx): Likewise.
1754         (Target_arm::may_use_v4t_interworking): New method.
1755         (Target_arm::may_use_v5t_interworking): Likewise.
1756         (Target_arm::may_use_blx_): Remove member variable.
1757         (Arm_relocate_functions::arm_branch_common): Check for v5T
1758         interworking.
1759         (Arm_relocate_functions::thumb_branch_common): Likewise.
1760         (Reloc_stub::stub_type_for_reloc): Likewise.
1761         (Target_arm::do_finalize_sections): Correct interworking checks.
1762         * testsuite/Makefile.am: Add new tests.
1763         * testsuite/Makefile.in: Regenerate.
1764         * testsuite/arm_farcall_arm_arm.s: New test.
1765         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1766         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1767         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1768         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1769         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1770         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1771         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1772
1773 2011-10-31  Cary Coutant  <ccoutant@google.com>
1774
1775         PR gold/13023
1776         * expression.cc (Expression::eval_with_dot): Add
1777         is_section_dot_assignment parameter.
1778         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1779         absolute and assigning to dot within a section.
1780         * script-sections.cc
1781         (Output_section_element_assignment::set_section_addresses): Pass
1782         dot_section to set_if_absolute.
1783         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1784         as is_section_dot_assignment flag to eval_with_dot.
1785         (Output_section_element_dot_assignment::set_section_addresses):
1786         Likewise.
1787         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1788         parameter.  Also set value if relative to dot_section; set the
1789         symbol's output_section.
1790         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1791         parameter.  Adjust all callers.
1792         (Expression::eval_maybe_dot): Likewise.
1793         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1794         Adjust all callers.
1795         * testsuite/script_test_2.t: Test assignment of an absolute value
1796         to dot within an output section element.
1797
1798 2011-10-31  Cary Coutant  <ccoutant@google.com>
1799
1800         * options.h (class General_options): Add --[no-]gnu-unique options.
1801         * symtab.cc (Symbol_table::sized_write_globals): Convert
1802         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1803
1804 2011-10-31  Cary Coutant  <ccoutant@google.com>
1805
1806         PR gold/13359
1807         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1808         unnecessary assertion.
1809         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1810
1811 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1812
1813         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1814         gc_mark_symbol.
1815         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1816         gc_mark_symbol.
1817         Change to just keep the section associated with symbol.
1818         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1819         they are externally visible and --export-dynamic is turned on.
1820         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1821
1822 2011-10-19  Ian Lance Taylor  <iant@google.com>
1823
1824         PR gold/13163
1825         * script-sections.cc
1826         (Output_section_element_dot_assignment::needs_output_section): New
1827         function.
1828
1829 2011-10-19  Ian Lance Taylor  <iant@google.com>
1830
1831         PR gold/13204
1832         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1833         --section-start option was seen.
1834         * options.h (General_options::any_section_start): New function.
1835
1836 2011-10-18  David S. Miller  <davem@davemloft.net>
1837
1838         PR binutils/13301
1839         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1840         member to track relocation locations that have moved during TLS
1841         reloc optimizations.
1842         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1843         (Target_sparc::Relocate::relocate): Adjust view down by 4
1844         bytes if it matches reloc_adjust_addr_.
1845         (Target_sparc::Relocate::relocate_tls): Always move the
1846         __tls_get_addr call delay slot instruction forward 4 bytes when
1847         performing relaxation.
1848
1849 2011-10-18  Cary Coutant  <ccoutant@google.com>
1850
1851         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1852         (Output_file::map_no_anonymous): Check for non-zero
1853         return code from posix_fallocate.
1854
1855 2011-10-17  Cary Coutant  <ccoutant@google.com>
1856
1857         PR gold/13245
1858         * plugin.cc (is_visible_from_outside): Check for symbols
1859         referenced from dynamic objects.
1860         * resolve.cc (Symbol_table::resolve): Don't count references
1861         from dynamic objects as references from real ELF files.
1862         * testsuite/plugin_test_2.sh: Adjust expected result.
1863
1864 2011-10-17  Cary Coutant  <ccoutant@google.com>
1865
1866         * gold.cc: Include timer.h.
1867         (queue_middle_tasks): Stamp time.
1868         (queue_final_tasks): Likewise.
1869         * main.cc (main): Store timer in parameters.  Print timers
1870         for each pass.
1871         * parameters.cc (Parameters::Parameters): Initialize timer_.
1872         (Parameters::set_timer): New function.
1873         (set_parameters_timer): New function.
1874         * parameters.h (Parameters::set_timer): New function.
1875         (Parameters::timer): New function.
1876         (Parameters::timer_): New data member.
1877         (set_parameters_timer): New function.
1878         * timer.cc (Timer::stamp): New function.
1879         (Timer::get_pass_time): New function.
1880         * timer.h (Timer::stamp): New function.
1881         (Timer::get_pass_time): New function.
1882         (Timer::pass_times_): New data member.
1883
1884 2011-10-17  Cary Coutant  <ccoutant@google.com>
1885
1886         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1887         task for members of lib groups.
1888
1889 2011-10-17  Cary Coutant  <ccoutant@google.com>
1890
1891         PR gold/13288
1892         * fileread.cc (File_read::find_view): Add assert.
1893         (File_read::make_view): Move bounds check (replace with assert)...
1894         (File_read::find_or_make_view): ... to here.
1895
1896 2011-10-12  Cary Coutant  <ccoutant@google.com>
1897
1898         * output.cc (Output_file::open_base_file): Handle case where
1899         ::read returns less than requested size.
1900
1901 2011-10-10  Cary Coutant  <ccoutant@google.com>
1902
1903         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1904         Initialize defined_count_.
1905         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1906         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1907         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1908         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1909         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1910         * incremental.h (Sized_relobj_incr::defined_count_): New data
1911         member.
1912         (Sized_incr_dynobj::defined_count_): New data member.
1913         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1914         Return zeroes instead of internal error.
1915
1916 2011-10-10  Cary Coutant  <ccoutant@google.com>
1917
1918         PR gold/13249
1919         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1920         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1921         * output.h (class Output_reloc): Add use_plt_offset flag.
1922         (Output_reloc::type_): Adjust size of bit field.
1923         (Output_reloc::use_plt_offset_): New bit field.
1924         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1925         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1926         flag.  Adjust all callers.
1927         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1928         creating RELATIVE relocations.
1929
1930 2011-10-10  Nick Clifton  <nickc@redhat.com>
1931
1932         * po/es.po: Updated Spanish translation.
1933         * po/fi.po: Updated Finnish translation.
1934
1935 2011-10-03   Diego Novillo  <dnovillo@google.com>
1936
1937         * options.cc (parse_uint): Fix dereference of RETVAL.
1938
1939 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1940
1941         * layout.h (section_order_map_): New member.
1942         (get_section_order_map): New member function.
1943         * output.cc (Output_section::add_input_section): Check for patterns
1944         only when --section-ordering-file is specified.
1945         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1946         output_sections have been formed.
1947         * layout.cc (Layout_Layout): Initialize section_order_map_.
1948         * plugin.cc (update_section_order): Store order in order_map. Do not
1949         update the order.
1950         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1951         * testsuite/Makefile.in: Regenerate.
1952         * testsuite/plugin_section_order.c: New file.
1953         * testsuite/plugin_final_layout.cc: New file.
1954         * testsuite/plugin_final_layout.sh: New file.
1955
1956 2011-09-29  Cary Coutant  <ccoutant@google.com>
1957
1958         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1959         Check for NULL.
1960         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1961         symbols during incremental update.
1962         (Symbol_table::add_from_dynobj): Likewise.
1963
1964 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1965             Ian Lance Taylor  <iant@google.com>
1966
1967         * symtab.cc (Symbol_table::define_special_symbol): Always
1968         canonicalize version string.
1969
1970 2011-09-26  Cary Coutant  <ccoutant@google.com>
1971
1972         * gold.cc (queue_initial_tasks): Move option checks ...
1973         * options.cc (General_options::finalize): ... to here. Disable
1974         some options; make others fatal.
1975
1976 2011-09-26  Cary Coutant  <ccoutant@google.com>
1977
1978         gcc PR lto/47247
1979         * plugin.cc (get_symbols_v2): New function.
1980         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1981         (is_referenced_from_outside): New function.
1982         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1983         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1984         (get_symbols): Pass version parameter.
1985         (get_symbols_v2): New function.
1986         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1987         parameter.
1988         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1989         (onload): Add LDPT_GET_SYMBOLS_V2.
1990         (all_symbols_read_hook): Use get_symbols_v2; check for
1991         LDPR_PREVAILING_DEF_IRONLY_EXP.
1992         * testsuite/plugin_test_3.sh: Update expected results.
1993
1994 2011-09-23  Simon Baldwin  <simonb@google.com>
1995
1996         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1997         configuration options.
1998         * configure: Regenerate.
1999         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2000         * Makefile.in: Regenerate.
2001         * testsuite/Makefile.in: Regenerate.
2002
2003 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2004
2005         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2006
2007 2011-09-19  Cary Coutant  <ccoutant@google.com>
2008
2009         * incremental.cc (can_incremental_update): Fix typo in comment.
2010         * incremental.h (can_incremental_update): Likewise.
2011
2012 2011-09-18  Cary Coutant  <ccoutant@google.com>
2013
2014         * incremental.cc (can_incremental_update): New function.
2015         * incremental.h (can_incremental_update): New function.
2016         * layout.cc (Layout::init_fixed_output_section): Call it.
2017         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2018         * object.cc (Sized_relobj_file::do_layout): Call
2019         can_incremental_update.
2020
2021 2011-09-13  Cary Coutant  <ccoutant@google.com>
2022
2023         * configure.ac: Check for glibc support for gnu_indirect_function
2024         support with static linking, setting automake conditional
2025         IFUNC_STATIC.
2026         * Makefile.in: Regenerate.
2027         * configure: Regenerate.
2028
2029         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2030         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2031         for IFUNC_STATIC.
2032         * testsuite/Makefile.in: Regenerate.
2033
2034 2011-09-13  Cary Coutant  <ccoutant@google.com>
2035
2036         * incremental.cc (Sized_relobj_incr::do_layout): Call
2037         report_comdat_group for kept comdat sections.
2038         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2039         * testsuite/Makefile.in: Regenerate.
2040         * testsuite/incr_comdat_test_1.cc: New source file.
2041         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2042         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2043         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2044
2045 2011-09-13  Ian Lance Taylor  <iant@google.com>
2046
2047         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2048         variable external_symbols_offset.
2049
2050 2011-09-12  Ian Lance Taylor  <iant@google.com>
2051
2052         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2053         triggered if object has no symbols.
2054
2055 2011-09-09  David S. Miller  <davem@davemloft.net>
2056
2057         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2058         (Output_fill_debug_line::do_write): Likewise.
2059
2060 2011-08-29  Cary Coutant  <ccoutant@google.com>
2061
2062         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2063         casts to match formatting specs.
2064         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2065
2066 2011-08-26  Cary Coutant  <ccoutant@google.com>
2067
2068         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2069         remaining hole size when allocating.
2070         (Layout::make_output_section): Set fill methods for debug sections.
2071         * layout.h (Free_list::Free_list_node): Move from private to
2072         public.
2073         (Free_list::set_min_hole_size): New function.
2074         (Free_list::begin, Free_list::end): New functions.
2075         (Free_list::min_hole_): New data member.
2076         * output.cc: Include dwarf.h.
2077         (Output_fill_debug_info::do_minimum_hole_size): New function.
2078         (Output_fill_debug_info::do_write): New function.
2079         (Output_fill_debug_line::do_minimum_hole_size): New function.
2080         (Output_fill_debug_line::do_write): New function.
2081         (Output_section::Output_section): Initialize new data member.
2082         (Output_section::set_final_data_size): Ensure patch space is larger
2083         than minimum hole size.
2084         (Output_section::do_write): Fill holes in debug sections.
2085         * output.h (Output_fill): New class.
2086         (Output_fill_debug_info): New class.
2087         (Output_fill_debug_line): New class.
2088         (Output_section::set_free_space_fill): New function.
2089         (Output_section::free_space_fill_): New data member.
2090         * testsuite/Makefile.am (incremental_test_3): Add
2091         --incremental-patch option.
2092         (incremental_test_4): Likewise.
2093         (incremental_test_5): Likewise.
2094         (incremental_test_6): Likewise.
2095         (incremental_copy_test): Likewise.
2096         (incremental_common_test_1): Likewise.
2097         * testsuite/Makefile.in: Regenerate.
2098
2099 2011-08-26  Nick Clifton  <nickc@redhat.com>
2100
2101         * po/es.po: Updated Spanish translation.
2102
2103 2011-08-01  Cary Coutant  <ccoutant@google.com>
2104
2105         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2106         * gold/testsuite/Makefile.in: Regenerate.
2107         * gold/testsuite/justsyms_exec.c: New source file.
2108         * gold/testsuite/justsyms_lib.c: New source file.
2109
2110 2011-08-01  Cary Coutant  <ccoutant@google.com>
2111
2112         * layout.cc (Layout::set_segment_offsets): Don't realign text
2113         segment if -Ttext was specified.
2114         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2115         file type.
2116         * object.h (Sized_relobj_file::e_type): New function.
2117         (Sized_relobj_file::e_type_): New data member.
2118         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2119         base address for ET_EXEC files.
2120         * target.cc (Target::do_make_elf_object_implementation): Allow
2121         ET_EXEC files with --just-symbols option.
2122
2123 2011-07-28  Cary Coutant  <ccoutant@google.com>
2124
2125         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2126         Add thread_number parameter.
2127         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2128         * workqueue-threads.cc
2129         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2130         current thread if its thread number is greater than desired thread
2131         count.
2132         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2133         Add thread_number parameter.
2134         (Workqueue::should_cancel_thread): Likewise.
2135         (Workqueue::find_runnable_or_wait): Pass thread_number to
2136         should_cancel_thread.
2137         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2138         parameter.
2139
2140 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2141
2142         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2143         only after checking if it cannot be forced local.
2144         * symtab.h (is_externally_visible): Check if the symbol is not forced
2145         local.
2146
2147 2011-07-15  Ian Lance Taylor  <iant@google.com>
2148
2149         * options.h (class General_options): Add --print-output-format.
2150         Move -EL next to -EB, for  better --help output.
2151         * target-select.cc: Include <cstdio>, "options.h", and
2152         "parameters.h".
2153         (Target_selector::do_target_bfd_name): New function.
2154         (print_output_format): New function.
2155         * target-select.h (class Target_selector): Update declarations.
2156         (Target_selector::target_bfd_name): New function.
2157         (print_output_format): Declare.
2158         * main.cc: Include "target-select.h".
2159         (main): Handle --print-output-format.
2160         * gold.cc: Include "target-select.h".
2161         (queue_initial_tasks): Handle --print-output-format when there are
2162         no input files.
2163         * parameters.cc (parameters_force_valid_target): Give a better
2164         error message if -EB/-EL does not match target.
2165         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2166         function.
2167
2168 2011-07-15  Ian Lance Taylor  <iant@google.com>
2169
2170         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2171         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2172         (Output_data_plt_i386::do_write): Write address of .dynamic
2173         section to first entry in .got.plt section.
2174         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2175         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2176         Initialize layout_.
2177         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2178         section to first entry in .got.plt section.
2179         * layout.h (Layout::dynamic_section): New function.
2180
2181 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2182
2183         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2184         to claim_file call.
2185         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2186         input_section_position_, and input_section_glob_.
2187         (read_layout_from_file): Call function section_ordering_specified.
2188         * layout.h (is_section_ordering_specified): New function.
2189         (section_ordering_specified): New function.
2190         (section_ordering_specified_): New boolean member.
2191         * main.cc(main): Call load_plugins after layout object is defined.
2192         * output.cc (Output_section::add_input_section): Use
2193         function section_ordering_specified to check if section ordering is
2194         needed.
2195         * output.cc (Output_section::add_relaxed_input_section): Use
2196         function section_ordering_specified to check if section ordering is
2197         needed.
2198         (Output_section::update_section_layout): New function.
2199         (Output_section::sort_attached_input_sections): Check if input section
2200         must be reordered.
2201         * output.h (Output_section::update_section_layout): New function.
2202         * plugin.cc (get_section_count): New function.
2203         (get_section_type): New function.
2204         (get_section_name): New function.
2205         (get_section_contents): New function.
2206         (update_section_order): New function.
2207         (allow_section_ordering): New function.
2208         (Plugin::load): Add the new interfaces to the transfer vector.
2209         (Plugin_manager::load_plugins): New parameter.
2210         (Plugin_manager::all_symbols_read): New parameter.
2211         (Plugin_manager::claim_file): New parameter. Save the elf object for
2212         unclaimed objects.
2213         (Plugin_manager::get_elf_object): New function.
2214         (Plugin_manager::get_view): Change to directly use the bool to check
2215         if get_view is called from claim_file_hook.
2216         * plugin.h (input_objects): New function
2217         (Plugin__manager::load_plugins): New parameter.
2218         (Plugin_manager::claim_file): New parameter.
2219         (Plugin_manager::get_elf_object): New function.
2220         (Plugin_manager::in_claim_file_handler): New function.
2221         (Plugin_manager::in_claim_file_handler_): New member.
2222         (layout): New function.
2223         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2224         handler with an extra parameter. Make the elf object before calling
2225         claim_file handler.
2226         * testsuite/plugin_test.c (get_section_count): New function pointer.
2227         (get_section_type): New function pointer.
2228         (get_section_name): New function pointer.
2229         (get_section_contents): New function pointer.
2230         (update_section_order): New function pointer.
2231         (allow_section_ordering): New function pointer.
2232         (onload): Check if the new interfaces exist.
2233
2234 2011-07-13  Ian Lance Taylor  <iant@google.com>
2235
2236         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2237         relro section.
2238         * x86_64.cc (Target_x86_64::got_section): Likewise.
2239         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2240         (relro_now_test_SOURCES): New variable.
2241         (relro_now_test_DEPENDENCIES): New variable.
2242         (relro_now_test_LDFLAGS): New variable.
2243         (relro_now_test_LDADD): New variable.
2244         (relro_now_test.so): New target.
2245         * testsuite/Makefile.in: Rebuild.
2246
2247 2011-07-12  Ian Lance Taylor  <iant@google.com>
2248
2249         PR gold/12980
2250         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2251         GLOB_DAT relocation rather than a RELATIVE relocation for a
2252         protected symbol when creating a shared library.
2253         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2254         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2255         * testsuite/protected_main_1.cc (main): Test that protected
2256         function has same address.
2257
2258 2011-07-11  Ian Lance Taylor  <iant@google.com>
2259
2260         PR gold/12979
2261         * options.h (class General_options): Add -Bgroup.
2262         * options.cc (General_options::finalize): If -Bgroup is set,
2263         default to --unresolved-symbols=report-all.
2264         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2265         * target-reloc.h (issue_undefined_symbol_error): Handle
2266         --unresolved-symbols=report-all.
2267
2268 2011-07-08  Ian Lance Taylor  <iant@google.com>
2269
2270         PR gold/11985
2271         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2272         if linker script discards key sections.
2273         (Layout::create_dynamic_symtab): Likewise.
2274         (Layout::assign_local_dynsym_offsets): Likewise.
2275         (Layout::sized_create_version_sections): Likewise.
2276         (Layout::create_interp): Likewise.
2277         (Layout::finish_dynamic_section): Likewise.
2278         (Layout::set_dynamic_symbol_size): Likewise.
2279
2280 2011-07-08  Ian Lance Taylor  <iant@google.com>
2281
2282         PR gold/12386
2283         * options.h (class General_options): Add --unresolved-symbols.
2284         * target-reloc.h (issue_undefined_symbol_error): Check
2285         --unresolved-symbols.  Add comments.
2286
2287 2011-07-08  Ian Lance Taylor  <iant@google.com>
2288
2289         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2290         expression more complex.
2291
2292 2011-07-08  Ian Lance Taylor  <iant@google.com>
2293
2294         PR gold/11317
2295         * target-reloc.h (issue_undefined_symbol_error): New inline
2296         function, broken out of relocate_section.
2297         (relocate_section): Call issue_undefined_symbol_error.
2298         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2299         there is no TLS segment if we are about to issue an undefined
2300         symbol error.
2301         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2302
2303 2011-07-08  Ian Lance Taylor  <iant@google.com>
2304
2305         PR gold/12279
2306         * resolve.cc (Symbol_table::should_override): Add fromtype
2307         parameter.  Change all callers.  Give error when linking together
2308         TLS and non-TLS symbol.
2309         (Symbol_table::should_override_with_special): Add fromtype
2310         parameter.  Change all callers.
2311         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2312         there is no TLS segment if we have reported some errors.
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/12372
2318         * target.h (Target::plt_address_for_global): New function.
2319         (Target::plt_address_for_local): New function.
2320         (Target::plt_section_for_global): Remove.
2321         (Target::plt_section_for_local): Remove.
2322         (Target::do_plt_address_for_global): New virtual function.
2323         (Target::do_plt_address_for_local): New virtual function.
2324         (Target::do_plt_section_for_global): Remove.
2325         (Target::do_plt_section_for_local): Remove.
2326         (Target::register_global_plt_entry): Add Symbol_table and Layout
2327         parameters.
2328         * output.cc (Output_data_got::Got_entry::write): Use
2329         plt_address_for_global and plt_address_for_local.
2330         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2331         address of output section.
2332         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2333         got_irelative_, and irelative_count_ fields.  Update
2334         declarations.
2335         (Output_data_plt_i386::has_irelative_section): New function.
2336         (Output_data_plt_i386::entry_count): Add irelative_count_.
2337         (Output_data_plt_i386::set_final_data_size): Likewise.
2338         (class Target_i386): Add got_irelative_ and rel_irelative_
2339         fields.  Update declarations.
2340         (Target_i386::Target_i386): Initialize new fields.
2341         (Target_i386::do_plt_address_for_global): New function replacing
2342         do_plt_section_for_global.
2343         (Target_i386::do_plt_address_for_local): New function replacing
2344         do_plt_section_for_local.
2345         (Target_i386::got_section): Create got_irelative_.
2346         (Target_i386::rel_irelative_section): New function.
2347         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2348         fields.  Don't define __rel_iplt_{start,end}.
2349         (Output_data_plt_i386::add_entry): Add symtab and layout
2350         parameters.  Change all callers.  Use different PLT and GOT for
2351         IFUNC symbols.
2352         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2353         layout parameters.  Change all callers.  Use different PLT and
2354         GOT.
2355         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2356         (Output_data_plt_i386::rel_irelative): New function.
2357         (Output_data_plt_i386::address_for_global): New function.
2358         (Output_data_plt_i386::address_for_local): New function.
2359         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2360         IRELATIVE GOT when changing IFUNC GOT entries.
2361         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2362         reloc.
2363         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2364         if we didn't create an IRELATIVE GOT.
2365         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2366         plt_address_for_local.
2367         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2368         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2369         got_irelative_, and irelative_count_ fields.  Update
2370         declarations.
2371         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2372         Initialize new fields.  Remove symtab parameter.  Change all
2373         callers.
2374         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2375         irelative_count_.
2376         (Output_data_plt_x86_64::has_irelative_section): New function.
2377         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2378         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2379         fields.  Update declarations.
2380         (Target_x86_64::Target_x86_64): Initialize new fields.
2381         (Target_x86_64::do_plt_address_for_global): New function replacing
2382         do_plt_section_for_global.
2383         (Target_x86_64::do_plt_address_for_local): New function replacing
2384         do_plt_section_for_local.
2385         (Target_x86_64::got_section): Create got_irelative_.
2386         (Target_x86_64::rela_irelative_section): New function.
2387         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2388         all callers.  Don't create __rel_iplt_{start,end}.
2389         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2390         parameters.  Change all callers.  Use different PLT and GOT for
2391         IFUNC symbols.
2392         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2393         layout parameters.  Change all callers.  Use different PLT and
2394         GOT.
2395         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2396         parameters.  Change all callers.  Use different PLT and GOT for
2397         IFUNC symbols.
2398         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2399         (Output_data_plt_x86_64::rela_irelative): New function.
2400         (Output_data_plt_x86_64::address_for_global): New function.
2401         (Output_data_plt_x86_64::address_for_local): New function.
2402         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2403         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2404         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2405         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2406         parameters.
2407         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2408         reloc.
2409         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2410         symbols if we didn't create an IRELATIVE GOT.
2411         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2412         plt_address_for_local.
2413         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2414         * testsuite/ifuncvar1.c: New test file.
2415         * testsuite/ifuncvar2.c: New test file.
2416         * testsuite/ifuncvar3.c: New test file.
2417         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2418         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2419         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2420         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2421         * testsuite/Makefile.in: Rebuild.
2422
2423 2011-07-07  Cary Coutant  <ccoutant@google.com>
2424
2425         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2426         (two_file_test_1_ndebug.o): Likewise.
2427         (two_file_test_1b_ndebug.o): Likewise.
2428         (two_file_test_2_ndebug.o): Likewise.
2429         (two_file_test_main_ndebug.o): Likewise.
2430         (incremental_test_2): Link with no-debug versions.
2431
2432 2011-07-06  Cary Coutant  <ccoutant@google.com>
2433
2434         * gold/incremental.cc
2435         (Output_section_incremental_inputs::write_info_blocks): Check for
2436         hidden and internal symbols.
2437
2438 2011-07-06  Cary Coutant  <ccoutant@google.com>
2439
2440         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2441         Check disposition for startup file.
2442         (Incremental_inputs::report_command_line): Ignore
2443         --incremental-startup-unchanged option.
2444         * options.cc (General_options::parse_incremental_startup_unchanged):
2445         New function.
2446         (General_options::General_options): Initialize new data member.
2447         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2448         (General_options): Add --incremental-startup-unchanged option.
2449         (General_options::incremental_startup_disposition): New function.
2450         (General_options::incremental_startup_disposition_): New data member.
2451
2452 2011-07-06  Cary Coutant  <ccoutant@google.com>
2453
2454         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2455         input file index to Script_info ctor.
2456         (Sized_incremental_binary::do_file_has_changed): Find the
2457         command-line argument for files named in scripts.
2458         * incremental.h (Script_info::Script_info): New ctor
2459         with input file index.
2460         (Script_info::input_file_index): New function.
2461         (Script_info::input_file_index_): New data member.
2462         (Incremental_binary::get_library): Add const.
2463         (Incremental_binary::get_script_info): Add const.
2464         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2465         * testsuite/Makefile.am (incremental_test_5): New test case.
2466         (incremental_test_6): New test case.
2467         * testsuite/Makefile.in: Regenerate.
2468
2469 2011-07-06  Cary Coutant  <ccoutant@google.com>
2470
2471         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2472         debug output when command lines differ.
2473
2474 2011-07-06  Cary Coutant  <ccoutant@google.com>
2475
2476         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2477         --incremental-patch option.
2478         * layout.cc (Free_list::allocate): Extend allocation beyond original
2479         end if enabled.
2480         (Layout::make_output_section): Mark sections that should get
2481         patch space.
2482         * options.cc (parse_percent): New function.
2483         * options.h (parse_percent): New function.
2484         (DEFINE_percent): New macro.
2485         (General_options): Add --incremental-patch option.
2486         * output.cc (Output_section::Output_section): Initialize new data
2487         members.
2488         (Output_section::add_input_section): Print section name when out
2489         of patch space.
2490         (Output_section::add_output_section_data): Likewise.
2491         (Output_section::set_final_data_size): Add patch space when
2492         doing --incremental-full.
2493         (Output_section::do_reset_address_and_file_offset): Remove patch
2494         space.
2495         (Output_segment::set_section_list_addresses): Print debug output
2496         only if --incremental-update.
2497         * output.h (Output_section::set_is_patch_space_allowed): New function.
2498         (Output_section::is_patch_space_allowed_): New data member.
2499         (Output_section::patch_space_): New data member.
2500         * parameters.cc (Parameters::incremental_full): New function.
2501         * parameters.h (Parameters::incremental_full): New function
2502         * testsuite/Makefile.am (incremental_test_2): Add test for
2503         --incremental-patch option.
2504         * testsuite/Makefile.in: Regenerate.
2505         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2506         (t18): Remove function body.
2507
2508 2011-07-05  Doug Kwan  <dougkwan@google.com>
2509
2510         PR gold/12771
2511         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2512         Arm_Address type for relocation result.
2513         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2514         overflow check.
2515         (Arm_relocate_functions::abs32): Use unaligned access.
2516         (Arm_relocate_functions::rel32): Ditto.
2517         (Arm_relocate_functions::prel31): Ditto.
2518         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2519         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2520         static data relocations.
2521         * testsuite/Makefile.in: Regnerate.
2522         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2523
2524 2011-07-05  Ian Lance Taylor  <iant@google.com>
2525
2526         PR gold/12392
2527         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2528         symbols if necessary.
2529         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2530
2531 2011-07-05  Ian Lance Taylor  <iant@google.com>
2532
2533         PR gold/12952
2534         * resolve.cc (Symbol::override_base_with_special): Simply override
2535         version with special symbol version, ignoring previous version.
2536
2537 2011-07-05  Ian Lance Taylor  <iant@google.com>
2538
2539         * object.cc (Sized_relobj_file::include_section_group): Add
2540         information to comment about signature location.
2541
2542 2011-07-02  Ian Lance Taylor  <iant@google.com>
2543
2544         PR gold/12957
2545         * options.h (class General_options): Add -f and -F.
2546         * options.cc (General_options::finalize): Fatal error if -f/-F
2547         are used without -shared.
2548         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2549
2550 2011-07-02  Ian Lance Taylor  <iant@google.com>
2551
2552         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2553
2554 2011-07-01  Ian Lance Taylor  <iant@google.com>
2555
2556         PR gold/12525
2557         PR gold/12952
2558         * resolve.cc (Symbol::override_base_with_special): Don't override
2559         the version if the overriding symbol has a different name.
2560         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2561         all callers.  If we give an error about an undefined version,
2562         define the base version if necessary.
2563         * dynobj.h (class Versions): Update declaration.
2564         * testsuite/weak_alias_test_5.cc: New file.
2565         * testsuite/weak_alias_test.script: New file.
2566         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2567         and versioned_alias have the right value, and call t2.
2568         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2569         weak_alias_test_5.so.
2570         (weak_alias_test_LDADD): Likewise.
2571         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2572         * testsuite/Makefile.in: Rebuild.
2573
2574 2011-07-01  Ian Lance Taylor  <iant@google.com>
2575
2576         PR gold/12525
2577         * options.h (class General_options): Support -z notext.
2578         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2579         -Wl,-z,notext.
2580         (two_file_shared_nonpic.so): Likewise.
2581         (two_file_shared_mixed.so): Likewise.
2582         (two_file_shared_mixed_1.so): Likewise.
2583         (weak_undef_lib_nonpic.so): Likewise.
2584         (alt/weak_undef_lib_nonpic.so): Likewise.
2585         (tls_test_shared_nonpic.so): Likewise.
2586         * testsuite/Makefile.in: Rebuild.
2587
2588 2011-07-01  Ian Lance Taylor  <iant@google.com>
2589
2590         PR gold/12525
2591         * configure.ac: Test whether static linking works, setting
2592         the automake conditional HAVE_STATIC.
2593         * testsuite/Makefile.am: Disable tests using -static if
2594         HAVE_STATIC is not true.
2595         * configure, testsuite/Makefile.in: Rebuild.
2596
2597 2011-07-01  Ian Lance Taylor  <iant@google.com>
2598
2599         PR gold/12525
2600         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2601         Assert if we see DW_EH_PE_indirect.
2602         * target.h (Target::ehframe_datarel_base): New function.
2603         (Target::do_ehframe_datarel_base): New target function.
2604         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2605         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2606         function.
2607
2608 2011-07-01  Ian Lance Taylor  <iant@google.com>
2609
2610         PR gold/12571
2611         * options.h (class General_options): Add
2612         --ld-generated-unwind-info.
2613         * ehframe.cc (Fde::write): Add address parameter.  Change all
2614         callers.  If associated with PLT, fill in address and size.
2615         (Cie::set_output_offset): Only add merge mapping if there is an
2616         object.
2617         (Cie::write): Add address parameter.  Change all callers.
2618         (Eh_frame::add_ehframe_for_plt): New function.
2619         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2620         input_offset_ fields into union u_, with new plt field.
2621         (Fde::Fde): Adjust for new union field.
2622         (Fde::Fde) [Output_data version]: New constructor.
2623         (Fde::add_mapping): Only add merge mapping if there is an object.
2624         (class Cie): Update declarations.
2625         (class Eh_frame): Declare add_ehframe_for_plt.
2626         * layout.cc (Layout::layout_eh_frame): Break out code into
2627         make_eh_frame_section, and call it.
2628         (Layout::make_eh_frame_section): New function.
2629         (Layout::add_eh_frame_for_plt): New function.
2630         * layout.h (class Layout): Update declarations.
2631         * merge.cc (Merge_map::add_mapping): Add assertion.
2632         * i386.cc: Include "dwarf.h".
2633         (class Output_data_plt_i386): Make first_plt_entry,
2634         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2635         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2636         and plt_eh_frame_fde.
2637         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2638         boundary.  Call add_eh_frame_for_plt if appropriate.
2639         * x86_64.cc: Include "dwarf.h".
2640         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2641         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2642         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2643         and plt_eh_frame_fde.
2644         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2645         appropriate.
2646
2647 2011-06-29  Ian Lance Taylor  <iant@google.com>
2648
2649         PR gold/12629
2650         * object.cc (Sized_relobj_file::layout_section): Change shdr
2651         parameter to be const.
2652         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2653         out of do_layout.
2654         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2655         appropriate.  Call layout_eh_frame_section.
2656         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2657         sections.
2658         * object.h (class Sized_relobj_file): Update declarations.
2659
2660 2011-06-29  Ian Lance Taylor  <iant@google.com>
2661
2662         PR gold/12652
2663         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2664         modifier.
2665         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2666
2667 2011-06-29  Ian Lance Taylor  <iant@google.com>
2668
2669         PR gold/12675
2670         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2671         SHT_X86_64_UNWIND.
2672         * layout.cc (Layout::layout_eh_frame): Likewise.
2673
2674 2011-06-29  Ian Lance Taylor  <iant@google.com>
2675
2676         PR gold/12695
2677         * layout.cc (Layout::symtab_section_shndx): New function.
2678         * layout.h (class Layout): Declare symtab_section_shndx.
2679         * output.cc (Output_section::write_header): Call it.
2680
2681 2011-06-29  Ian Lance Taylor  <iant@google.com>
2682
2683         PR gold/12818
2684         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2685         symbols which are not used in a relocation.
2686
2687 2011-06-28  Ian Lance Taylor  <iant@google.com>
2688
2689         PR gold/12898
2690         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2691         script create indistinguishable segments.
2692         (Layout::set_segment_offsets): Use stable_sort when sorting
2693         segments.  Pass this to Compare_segments constructor.
2694         * layout.h (class Layout): Make segment_precedes non-static.
2695         (class Compare_segments): Change from struct to class.  Add
2696         layout_ field.  Add constructor.
2697         * script-sections.cc
2698         (Script_sections::attach_sections_using_phdrs_clause): Rename
2699         local orphan to is_orphan.  Don't report failure to put empty
2700         section in segment.  On attachment failure, report name of
2701         section, and attach to first PT_LOAD segment.
2702
2703 2011-06-28  Ian Lance Taylor  <iant@google.com>
2704
2705         PR gold/12934
2706         * target-select.cc (Target_selector::Target_selector): Add
2707         emulation parameter.  Change all callers.
2708         (select_target_by_bfd_name): Rename from select_target_by_name.
2709         Change all callers.
2710         (select_target_by_emulation): New function.
2711         (supported_emulation_names): New function.
2712         * target-select.h (class Target_selector): Add emulation_ field.
2713         Update declarations.
2714         (Target_selector::recognize_by_bfd_name): Rename from
2715         recognize_by_name.  Change all callers.
2716         (Target_selector::supported_bfd_names): Rename from
2717         supported_names.  Change all callers.
2718         (Target_selector::recognize_by_emulation): New function.
2719         (Target_selector::supported_emulations): New function.
2720         (Target_selector::emulation): New function.
2721         (Target_selector::do_recognize_by_bfd_name): Rename from
2722         do_recognize_by_name.  Change all callers.
2723         (Target_selector::do_supported_bfd_names): Rename from
2724         do_supported_names.  Change all callers.
2725         (Target_selector::do_recognize_by_emulation): New function.
2726         (Target_selector::do_supported_emulations): New function.
2727         (select_target_by_bfd_name): Change name in declaration.
2728         (select_target_by_emulation): Declare.
2729         (supported_emulation_names): Declare.
2730         * parameters.cc (parameters_force_valid_target): Try to find
2731         target based on emulation from -m option.
2732         * options.h (class General_options): Change doc string for -m.
2733         * options.cc (help): Print emulations.
2734         (General_options::parse_V): Likewise.
2735         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2736         Add emulation parameter.  Change all callers.
2737
2738 2011-06-28  Ian Lance Taylor  <iant@google.com>
2739
2740         * target.h (class Target): Add osabi_ field.
2741         (Target::osabi): New function.
2742         (Target::set_osabi): New function.
2743         (Target::Target): Initialize osabi_.
2744         (Target::do_adjust_elf_header): Make pure virtual.
2745         (Sized_target::do_adjust_elf_header): Declare.
2746         * target.cc (Sized_target::do_adjust_elf_header): New function.
2747         (class Sized_target): Instantiate all versions.
2748         * freebsd.h (class Target_freebsd): Remove.
2749         (Target_selector_freebsd::do_recognize): Call set_osabi on
2750         Target.
2751         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2752         (Target_selector_freebsd::set_osabi): Remove.
2753         * i386.cc (class Target_i386): Inherit from Sized_target rather
2754         than Target_freebsd.
2755         * x86_64.cc (class Target_x86_64): Likewise.
2756
2757 2011-06-28  Ian Lance Taylor  <iant@google.com>
2758
2759         * target.h (Target::can_check_for_function_pointers): Rewrite.
2760         Make non-virtual.
2761         (Target::can_icf_inline_merge_sections): Likewise.
2762         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2763         (Target::Target_info): Add can_icf_inline_merge_sections field.
2764         (Target::do_can_check_for_function_pointers): New virtual
2765         function.
2766         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2767         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2768         from can_check_for_function_pointers, move in file.
2769         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2770         section_may_have_icf_unsafe_poineters, move in file.
2771         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2772         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2773         Rename from can_check_for_function_pointers, move in file.
2774         (Target_i386::can_icf_inline_merge_sections): Remove.
2775         (Target_i386::i386_info): Initialize
2776         can_icf_inline_merge_sections.
2777         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2778         Initialize can_icf_inline_merge_sections.
2779         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2780         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2781         Rename from can_check_for_function_pointers, move in file.
2782         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2783         (Target_x86_64::x86_64_info): Initialize
2784         can_icf_inline_merge_sections.
2785         * testsuite/testfile.cc (Target_test::test_target_info):
2786         Likewise.
2787         * icf.cc (get_section_contents): Correct formatting.
2788
2789 2011-06-27  Ian Lance Taylor  <iant@google.com>
2790
2791         * symtab.cc (Symbol::versioned_name): New function.
2792         (Symbol_table::add_to_final_symtab): Use versioned_name when
2793         appropriate.
2794         (Symbol_table::sized_write_symbol): Likewise.
2795         * symtab.h (class Symbol): Declare versioned_name.
2796         * stringpool.h (class Stringpool_template): Add variant of add
2797         which takes a std::basic_string.
2798         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2799         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2800         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2801         (ver_test_12.o): New target.
2802         * testsuite/Makefile.in: Rebuild.
2803
2804 2011-06-27  Doug Kwan  <dougkwan@google.com>
2805
2806         * arm.cc (Arm_relocate_functions::thm_jump8,
2807         Arm_relocate_functions::thm_jump11): Use a wider signed
2808         type to compute offset.
2809         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2810         arm_thm_jump8.
2811         * testsuite/Makefile.in: Regenerate.
2812         * testsuite/arm_branch_in_range.sh: Check test results of
2813         arm_thm_jump11 and arm_thm_jump8.
2814         * testsuite/arm_thm_jump11.s: New test source file.
2815         * testsuite/arm_thm_jump11.t: New linker script.
2816         * testsuite/arm_thm_jump8.s: New test source file.
2817         * testsuite/arm_thm_jump8.t: New linker script.
2818
2819 2011-06-24  Ian Lance Taylor  <iant@google.com>
2820
2821         * layout.cc: Include "object.h".
2822         (ctors_sections_in_init_array): New static variable.
2823         (Layout::is_ctors_in_init_array): New function.
2824         (Layout::layout): Add entry to ctors_sections_in_init_array if
2825         appropriate.
2826         * layout.h (class Layout): Declare is_ctors_in_init_array.
2827         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2828         is_ctors_reverse_view is set.
2829         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2830         all callers.  Set is_ctors_reverse_view field of View_size.
2831         (Sized_relobj_file::reverse_words): New function.
2832         * object.h (Sized_relobj_file::View_size): Add
2833         is_ctors_reverse_view field.
2834         (class Sized_relobj_file): Update declarations.
2835         * testsuite/initpri3.c: New test.
2836         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2837         initpri3b.
2838         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2839         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2840         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2841         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2842         * testsuite/Makefile.in: Rebuild.
2843
2844 2011-06-24  Cary Coutant  <ccoutant@google.com>
2845
2846         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2847         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2848         (debug_msg_cdebug.err): New targets.
2849         * testsuite/Makefile.in: Regenerate.
2850         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2851         Fix checks for link with shared library.
2852
2853 2011-06-24  Doug Kwan  <dougkwan@google.com>
2854
2855         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2856         skip empty text sections.
2857         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2858
2859 2011-06-22  Ian Lance Taylor  <iant@google.com>
2860
2861         PR gold/12910
2862         * options.h (class General_options): Add --ctors-in-init-array.
2863         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2864         friends as SHT_PROGBITS for merging sections.
2865         (Layout::layout): Remove special handling of .init_array and
2866         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2867         and .dtors if ctors_in_init_array.
2868         (Layout::make_output_section): Force correct section types for
2869         .init_array and friends.  Don't sort if doing relocatable link,
2870         Don't sort .ctors and .dtors if ctors_in_init_array.
2871         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2872         (Layout::output_section_name): Add relobj parameter.  Change all
2873         callers.  Handle .ctors. and .dtors. in code rather than table.
2874         Handle .ctors and .dtors if ctors_in_init_array.
2875         (Layout::match_file_name): New function, moved from output.cc.
2876         * layout.h (class Layout): Update declarations.
2877         * output.cc: Include "layout.h".
2878         (Input_section_sort_entry::get_priority): New function.
2879         (Input_section_sort_entry::match_file_name): Just call
2880         Layout::match_file_name.
2881         (Output_section::Input_section_sort_init_fini_compare::operator()):
2882         Handle .ctors and .dtors.  Sort by explicit priority rather than
2883         by name.
2884         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2885         * testsuite/initpri2.c: New test.
2886         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2887         (check_PROGRAMS): Add initpri2.
2888         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2889         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2890         * configure, testsuite/Makefile.in: Rebuild.
2891
2892 2011-06-19  Ian Lance Taylor  <iant@google.com>
2893
2894         PR gold/12880
2895         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2896         .interp section to a PT_INTERP segment even if we have seen a
2897         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2898         clause in a linker script.
2899         (Layout::finalize): Don't create a .interp section if we've
2900         already create a PT_INTERP segment.
2901         (Layout::create_interp): Always call choose_output_section (revert
2902         patch of 2011-06-17).  Don't create PT_INTERP segment.
2903         * script-sections.cc
2904         (Script_sections::create_note_and_tls_segments): Add a .interp
2905         section to a PT_INTERP segment even if we have seen a
2906         --dynamic-linker option.
2907
2908 2011-06-18  Ian Lance Taylor  <iant@google.com>
2909
2910         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2911         merely because a non-PT_LOAD segment has a dynamic reloc.
2912
2913 2011-06-18  Ian Lance Taylor  <iant@google.com>
2914
2915         * layout.cc (Layout::finish_dynamic_section): Don't create
2916         DT_FLAGS entry if not needed.
2917
2918 2011-06-18  Ian Lance Taylor  <iant@google.com>
2919
2920         PR gold/12745
2921         * layout.cc (Layout::layout_eh_frame): Correct handling of
2922         writable .eh_frame section.
2923
2924 2011-06-17  Ian Lance Taylor  <iant@google.com>
2925
2926         PR gold/12893
2927         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2928         symbol is redefined with the exact same object and value.
2929
2930 2011-06-17  Ian Lance Taylor  <iant@google.com>
2931
2932         PR gold/12880
2933         * layout.h (class Layout): Add interp_segment_ field.
2934         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2935         (Layout::attach_allocated_section_to_segment): If making shared
2936         library, put .interp section in PT_INTERP segment.
2937         (Layout::finalize): Also call create_interp if -dynamic-linker
2938         option was used.
2939         (Layout::create_interp): Assert that there is no PT_INTERP
2940         segment.  If not using a SECTIONS clause, use make_output_section.
2941         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2942         * script-sections.cc
2943         (Script_sections::create_note_and_tls_segments): If making shared
2944         library, put .interp section in PT_INTERP segment.
2945
2946 2011-06-17  Ian Lance Taylor  <iant@google.com>
2947
2948         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2949         when making a shared library.
2950
2951 2011-06-17  Ian Lance Taylor  <iant@google.com>
2952
2953         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2954         parameter.  Change all callers.  Don't issue warning about PC32
2955         against locally defined symbol.
2956
2957 2011-06-16  Ian Lance Taylor  <iant@google.com>
2958
2959         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2960         occurs in same object.
2961
2962 2011-06-14  Alan Modra  <amodra@gmail.com>
2963
2964         * po/POTFILES.in: Regenerate.
2965
2966 2011-06-09  Ian Lance Taylor  <iant@google.com>
2967
2968         * script-sections.cc
2969         (Orphan_output_section::set_section_addresses): For a relocatable
2970         link set address to 0.
2971
2972 2011-06-09  Cary Coutant  <ccoutant@google.com>
2973
2974         PR gold/12804
2975         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2976         used with --compress-debug-sections.
2977         * gold/object.cc (Sized_relobj_file::do_layout): Report
2978         uncompressed size of compressed input sections.
2979
2980 2011-06-08  Cary Coutant  <ccoutant@google.com>
2981
2982         PR gold/12804
2983         * testsuite/two_file_test_2_v1.cc: Change initialization of
2984         v2 to keep it in .data.
2985
2986 2011-06-07  Cary Coutant  <ccoutant@google.com>
2987
2988         * common.cc (Symbol_table::do_allocate_commons_list): Call
2989         gold_fallback.
2990         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2991         (Errors::fallback): New function.
2992         (gold_fallback): New function.
2993         * errors.h (Errors::fallback): New function.
2994         * gold.cc (gold_exit): Change status parameter to enum; adjust
2995         all callers.
2996         (queue_initial_tasks): Call gold_fallback.
2997         * gold.h: Include cstdlib.
2998         (Exit_status): New enum type.
2999         (gold_exit): Change status parameter to enum.
3000         (gold_fallback): New function.
3001         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3002         (Layout::create_symtab_sections): Likewise.
3003         (Layout::create_shdrs): Likewise.
3004         * main.cc (main): Adjust call to gold_exit.
3005         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3006         (Output_data_got::add_got_entry_pair): Likewise.
3007         (Output_section::add_input_section): Likewise.
3008         (Output_section::add_output_section_data): Likewise.
3009         (Output_segment::set_section_list_addresses): Likewise.
3010         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3011
3012 2011-06-07  Cary Coutant  <ccoutant@google.com>
3013
3014         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3015         for incremental links.
3016         * output.cc (Output_segment::set_section_list_addresses): Remove
3017         FIXME and test for TLS or BSS.
3018
3019 2011-06-07  Cary Coutant  <ccoutant@google.com>
3020
3021         * testsuite/Makefile.am: Add incremental_copy_test,
3022         incremental_common_test_1.
3023         * testsuite/Makefile.in: Regenerate.
3024         * testsuite/common_test_1_v1.c: New source file.
3025         * testsuite/common_test_1_v2.c: New source file.
3026         * testsuite/copy_test_v1.cc: New source file.
3027
3028 2011-06-07  Cary Coutant  <ccoutant@google.com>
3029
3030         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3031         update, allocate common from bss section's free list.
3032         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3033         linker-defined symbols.
3034         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3035         Skip GOT and PLT entries that are no longer referenced.
3036         (Output_section_incremental_inputs::write_info_blocks): Mark
3037         linker-defined symbols.
3038         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3039         * output.cc (Output_section::allocate): New function.
3040         * output.h (Output_section::allocate): New function.
3041         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3042         linker-defined symbols.
3043         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3044         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3045         (Symbol::init_base_output_data): Likewise.
3046         (Symbol::init_base_output_segment): Likewise.
3047         (Symbol::init_base_constant): Likewise.
3048         (Sized_symbol::init_output_data): Likewise.
3049         (Sized_symbol::init_output_segment): Likewise.
3050         (Sized_symbol::init_constant): Likewise.
3051         (Symbol_table::do_define_in_output_data): Likewise.
3052         (Symbol_table::do_define_in_output_segment): Likewise.
3053         (Symbol_table::do_define_as_constant): Likewise.
3054         * symtab.h (Symbol::is_predefined): New function.
3055         (Symbol::init_base_output_data): Add is_predefined parameter.
3056         (Symbol::init_base_output_segment): Likewise.
3057         (Symbol::init_base_constant): Likewise.
3058         (Symbol::is_predefined_): New data member.
3059         (Sized_symbol::init_output_data): Add is_predefined parameter.
3060         (Sized_symbol::init_output_segment): Likewise.
3061         (Sized_symbol::init_constant): Likewise.
3062         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3063
3064 2011-06-07  Cary Coutant  <ccoutant@google.com>
3065
3066         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3067         instead of emit_copy_reloc.
3068         (Copy_relocs::emit_copy_reloc): Refactor.
3069         (Copy_relocs::make_copy_reloc): New function.
3070         (Copy_relocs::add_copy_reloc): Remove.
3071         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3072         section.
3073         (Copy_relocs::make_copy_reloc): New function.
3074         (Copy_relocs::add_copy_reloc): Remove.
3075         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3076         unchanged input files.
3077         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3078         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3079         Reserve BSS space for COPY relocations.
3080         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3081         (Output_section_incremental_inputs::write_info_blocks): Record
3082         whether a symbol is copied from a shared object.
3083         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3084         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3085         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3086         (Incremental_input_entry_reader::get_output_symbol_index): Add
3087         is_copy parameter.
3088         (Incremental_binary::emit_copy_relocs): New function.
3089         (Incremental_binary::do_emit_copy_relocs): New function.
3090         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3091         new data member.
3092         (Sized_incremental_binary::add_copy_reloc): New function.
3093         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3094         (Sized_incremental_binary::Copy_reloc): New struct.
3095         (Sized_incremental_binary::Copy_relocs): New typedef.
3096         (Sized_incremental_binary::copy_relocs_): New data member.
3097         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3098         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3099         * target.h (Sized_target::emit_copy_reloc): New function.
3100         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3101
3102 2011-06-02  Cary Coutant  <ccoutant@google.com>
3103
3104         PR gold/12163
3105         * gold/archive.cc (Archive::Archive): Initialize new data member.
3106         (Archive::include_all_members): Return if archive has already been
3107         included.
3108         * gold/archive.h (Archive::include_all_members_): New data member.
3109
3110 2011-06-02  Nick Clifton  <nickc@redhat.com>
3111
3112         * dynobj.h: Fix spelling mistake in comment.
3113         * output.cc: Likewise.
3114
3115 2011-05-31  Doug Kwan  <dougkwan@google.com>
3116             Asier Llano
3117
3118         PR gold/12826
3119         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3120         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3121         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3122         redundant arm_exidx_test.so.
3123         * testsuite/Makefile.in: Regenerate.
3124         (check_SCRIPTS): Add pr12826.sh
3125         (check_DATA): Add pr12826.stdout
3126         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3127         * testsuite/pr12826.sh: New file.
3128         * testsuite/pr12826_1.s: Ditto.
3129         * testsuite/pr12826_1.s: Ditto.
3130
3131 2011-05-30  Ian Lance Taylor  <iant@google.com>
3132
3133         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3134         sections.
3135
3136 2011-05-29  Ian Lance Taylor  <iant@google.com>
3137
3138         PR gold/12804
3139         * testsuite/Makefile.am: Use different file name for two_file_test
3140         temporary file for each incremental test.
3141         * testsuite/Makefile.in: Rebuild.
3142
3143 2011-05-29  Ian Lance Taylor  <iant@google.com>
3144
3145         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3146         binary input file is empty.
3147
3148 2011-05-27  Ian Lance Taylor  <iant@google.com>
3149
3150         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3151         (ver_test_9.so): Likewise.
3152         * testsuite/Makefile.in: Rebuild.
3153
3154 2011-05-26 Cary Coutant  <ccoutant@google.com>
3155
3156         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3157         * incremental.cc (Incremental_inputs::report_input_section): Fix
3158         comment, indentation.
3159         (Incremental_inputs::report_comdat_group): New function.
3160         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3161         of data for incremental input file entry.
3162         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3163         group count, COMDAT group signatures.
3164         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3165         an unchanged input file.
3166         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3167         Initialize new data member.
3168         (Incremental_object_entry::add_comdat_group): New function.
3169         (Incremental_object_entry::get_comdat_group_count): New function.
3170         (Incremental_object_entry::get_comdat_signature_key): New function.
3171         (Incremental_object_entry::groups_): New data member.
3172         (Incremental_inputs::report_comdat_group): New function.
3173         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3174         data for incremental input file entry.
3175         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3176         (Incremental_input_entry_reader::get_input_section): Adjust size of
3177         data for incremental input file entry.
3178         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3179         (Incremental_input_entry_reader::get_comdat_group_signature): New
3180         function.
3181         * object.cc (Sized_relobj::include_section_group): Report kept
3182         COMDAT groups for incremental links.
3183
3184 2011-05-24  David Meyer  <pdox@google.com>
3185
3186         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3187         with name parameter.  Add found_name parameter.
3188         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3189         * dirsearch.h (class Dirsearch): Update declaration.
3190
3191 2011-05-24  Ian Lance Taylor  <iant@google.com>
3192
3193         * archive.cc (Library_base::should_include_member): Pull in object
3194         from archive if it defines the entry symbol.
3195         * parameters.cc (Parameters::entry): New function.
3196         * parameters.h (class Parameters): Declare entry.
3197         * output.h (class Output_file_header): Remove entry_ field.
3198         * output.cc (Output_file_header::Output_file_header): Remove entry
3199         parameter.  Change all callers.
3200         (Output_file_header::entry): Use parameters->entry.
3201         * gold.cc (queue_middle_tasks): Likewise.
3202         * plugin.cc (Plugin_hook::run): Likewise.
3203
3204 2011-05-24 Cary Coutant  <ccoutant@google.com>
3205
3206         * gold.cc (queue_initial_tasks): Pass incremental base filename
3207         to Output_file::open_base_file; don't print error message.
3208         * incremental-dump.cc (main): Adjust call to
3209         Output_file::open_for_modification.
3210         * incremental-dump.cc (main): Likewise.
3211         * incremental.cc (Incremental_inputs::report_command_line):
3212         Ignore --incremental-base option when comparing command lines.
3213         Ignore parameter when given as separate argument.
3214         * options.h (class General_options): Add --incremental-base.
3215         * output.cc (Output_file::Output_file):
3216         (Output_file::open_base_file): Add base_name and writable parameters;
3217         read base file into new file; print error message here.
3218         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3219         callers.
3220         * output.h (Output_file::open_for_modification): Rename to...
3221         (Output_file::open_base_file): ...this; add base_name and
3222         writable parameters; adjust all callers.
3223         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3224         callers.
3225         * testsuite/Makefile.am (incremental_test_4): Test
3226         --incremental-base.
3227         * testsuite/Makefile.in: Regenerate.
3228
3229 2011-05-24 Cary Coutant  <ccoutant@google.com>
3230
3231         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3232         incremental_test_4.
3233         * testsuite/Makefile.in: Regenerate.
3234         * testsuite/two_file_test_1_v1.cc: New test source file.
3235         * testsuite/two_file_test_1b_v1.cc: New test source file.
3236         * testsuite/two_file_test_2_v1.cc: New test source file.
3237
3238 2011-05-24 Cary Coutant  <ccoutant@google.com>
3239
3240         * dynobj.h (Dynobj::do_dynobj): New function.
3241         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3242         flag and soname for shared objects.
3243         * incremental.cc (Incremental_inputs::report_object): Make
3244         either Incremental_object_entry or Incremental_dynobj_entry; add
3245         soname to string table.
3246         (Incremental_inputs::report_input_section): Add assertion.
3247         (Output_section_incremental_inputs::set_final_data_size): Adjust
3248         type of input file entry for shared libraries; adjust size of
3249         shared library info entry.
3250         (Output_section_incremental_inputs::write_input_files): Write
3251         as_needed flag for shared libraries.
3252         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3253         of input file entry for shared libraries; write soname.
3254         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3255         soname from incremental info.
3256         * incremental.h (enum Incremental_input_flags): Add
3257         INCREMENTAL_INPUT_AS_NEEDED.
3258         (Incremental_input_entry::Incremental_input_entry): Initialize new
3259         data member.
3260         (Incremental_input_entry::set_as_needed): New function.
3261         (Incremental_input_entry::as_needed): New function.
3262         (Incremental_input_entry::do_dynobj_entry): New function.
3263         (Incremental_input_entry::as_needed_): New data member.
3264         (Incremental_object_entry::Incremental_object_entry): Don't check
3265         for shared library.
3266         (Incremental_object_entry::do_type): Likewise.
3267         (class Incremental_dynobj_entry): New class.
3268         (Incremental_input_entry_reader::as_needed): New function.
3269         (Incremental_input_entry_reader::get_soname): New function.
3270         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3271         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3272         size of shared library info entry.
3273         * layout.cc (Layout::finish_dynamic_section): Don't test for
3274         incremental link when adding DT_NEEDED entries.
3275         * object.h (Object::Object): Initialize new data member.
3276         (Object::dynobj): New function.
3277         (Object::set_as_needed): New function.
3278         (Object::as_needed): New function.
3279         (Object::do_dynobj): New function.
3280         (Object::as_needed_): New data member.
3281
3282 2011-05-24 Cary Coutant  <ccoutant@google.com>
3283
3284         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3285         info; adjust display of GOT entries.
3286         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3287         vector of input objects; remove file_status_.
3288         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3289         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3290         got_plt reader; call target hooks to reserve GOT entries.
3291         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3292         of input file info header and GOT info entry.
3293         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3294         relocation info.
3295         (Got_plt_view_info::got_descriptor): Remove.
3296         (Got_plt_view_info::sym_index): New data member.
3297         (Got_plt_view_info::input_index): New data member.
3298         (Local_got_offset_visitor::visit): Write input file index.
3299         (Global_got_offset_visitor::visit): Write 0 for input file index.
3300         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3301         with sym_index and input_index.
3302         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3303         incremental info GOT entry; replace got_descriptor with input_index.
3304         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3305         map from input file index to object.
3306         (Sized_relobj_incr::do_layout): Replace direct data member reference
3307         with accessor function.
3308         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3309         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3310         Adjust size of input file info header.
3311         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3312         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3313         (Incremental_input_entry_reader::get_input_section): Adjust size of
3314         input file info header.
3315         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3316         of incremental info GOT entry.
3317         (Incremental_got_plt_reader::get_got_desc): Remove.
3318         (Incremental_got_plt_reader::get_got_symndx): New function.
3319         (Incremental_got_plt_reader::get_got_input_index): New function.
3320         (Sized_incremental_binary::Sized_incremental_binary): Remove
3321         file_status_; add input_objects_.
3322         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3323         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3324         (Sized_incremental_binary::file_is_unchanged): Remove.
3325         (Sized_incremental_binary::set_input_object): New function.
3326         (Sized_incremental_binary::input_object): New function.
3327         (Sized_incremental_binary::file_status_): Remove.
3328         (Sized_incremental_binary::input_objects_): New data member.
3329         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3330         references.
3331         (Sized_relobj_incr::invalid_address): Move to base class.
3332         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3333         class.
3334         (Sized_relobj_incr::do_output_section_offset): Likewise.
3335         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3336         (Sized_relobj_incr::section_offsets_): Likewise.
3337         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3338         function.
3339         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3340         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3341         with accessor function.
3342         (Sized_relobj_file::do_layout): Likewise.
3343         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3344         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3345         (Sized_relobj_file::compute_final_local_value): Replace refs to
3346         section_offsets_ with accessor function.
3347         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3348         * object.h (Relobj::Relobj): Initialize new data members.
3349         (Relobj::add_dyn_reloc): New function.
3350         (Relobj::first_dyn_reloc): New function.
3351         (Relobj::dyn_reloc_count): New function.
3352         (Relobj::first_dyn_reloc_): New data member.
3353         (Relobj::dyn_reloc_count_): New data member.
3354         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3355         references.
3356         (Sized_relobj::Address): New typedef.
3357         (Sized_relobj::invalid_address): Move here from child class.
3358         (Sized_relobj::Sized_relobj): Initialize new data members.
3359         (Sized_relobj::sized_relobj): New function.
3360         (Sized_relobj::is_output_section_offset_invalid): Move here from
3361         child class.
3362         (Sized_relobj::get_output_section_offset): Likewise.
3363         (Sized_relobj::local_has_got_offset): Likewise.
3364         (Sized_relobj::local_got_offset): Likewise.
3365         (Sized_relobj::set_local_got_offset): Likewise.
3366         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3367         (Sized_relobj::clear_got_offsets): New function.
3368         (Sized_relobj::section_offsets): Move here from child class.
3369         (Sized_relobj::do_output_section_offset): Likewise.
3370         (Sized_relobj::do_set_section_offset): Likewise.
3371         (Sized_relobj::Local_got_offsets): Likewise.
3372         (Sized_relobj::local_got_offsets_): Likewise.
3373         (Sized_relobj::section_offsets_): Likewise.
3374         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3375         references.
3376         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3377         class.
3378         (Sized_relobj_file::sized_relobj): New function
3379         (Sized_relobj_file::local_has_got_offset): Move to base class.
3380         (Sized_relobj_file::local_got_offset): Likewise.
3381         (Sized_relobj_file::set_local_got_offset): Likewise.
3382         (Sized_relobj_file::get_output_section_offset): Likewise.
3383         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3384         (Sized_relobj_file::do_output_section_offset): Likewise.
3385         (Sized_relobj_file::do_set_section_offset): Likewise.
3386         (Sized_relobj_file::Local_got_offsets): Likewise.
3387         (Sized_relobj_file::local_got_offsets_): Likewise.
3388         (Sized_relobj_file::section_offsets_): Likewise.
3389         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3390         (all constructors).
3391         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3392         (Output_reloc::get_symbol_index): Likewise.
3393         (Output_reloc::local_section_offset): Likewise.
3394         (Output_reloc::get_address): Likewise.
3395         (Output_reloc::symbol_value): Likewise.
3396         (Output_data_got::reserve_slot): Move to class definition.
3397         (Output_data_got::reserve_local): New function.
3398         (Output_data_got::reserve_slot_for_global): Remove.
3399         (Output_data_got::reserve_global): New function.
3400         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3401         (all constructors, two instantiations).
3402         (Output_reloc::get_relobj): New function (two instantiations).
3403         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3404         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3405         (Output_data_reloc::add_global): Adjust type of relobj.
3406         (Output_data_reloc::add_global_relative): Likewise.
3407         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3408         (Output_data_reloc::add_local): Likewise.
3409         (Output_data_reloc::add_local_relative): Likewise.
3410         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3411         (Output_data_reloc::add_local_section): Likewise.
3412         (Output_data_reloc::add_output_section): Likewise.
3413         (Output_data_reloc::add_absolute): Likewise.
3414         (Output_data_reloc::add_target_specific): Likewise.
3415         (Output_data_got::reserve_slot): Move definition here.
3416         (Output_data_got::reserve_local): New function.
3417         (Output_data_got::reserve_global): New function.
3418         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3419         section_offsets_ with accessor function.
3420         (Sized_relobj_file::write_sections): Likewise.
3421         (Sized_relobj_file::do_relocate_sections): Likewise.
3422         * target.h (Sized_target::reserve_local_got_entry): New function.
3423         (Sized_target::reserve_global_got_entry): New function.
3424         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3425         (Target_x86_64::reserve_global_got_entry): New function.
3426         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3427
3428 2011-05-23 Cary Coutant  <ccoutant@google.com>
3429
3430         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3431         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3432         bit when checking got_type.
3433         * incremental.cc (Sized_incremental_binary::setup_readers):
3434         Store symbol table and string table locations; initialize bit vector
3435         of file status flags.
3436         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3437         unchanged files.
3438         (Sized_incremental_binary::do_process_got_plt): New function.
3439         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3440         (Output_section_incremental_inputs::set_final_data_size): Record
3441         file index for each input file.
3442         (Output_section_incremental_inputs::write_got_plt): Store file index
3443         instead of input entry offset for each GOT entry.
3444         * incremental.h
3445         (Incremental_input_entry::Incremental_input_entry): Initialize new
3446         data member.
3447         (Incremental_input_entry::set_offset): Store file index.
3448         (Incremental_input_entry::get_file_index): New function.
3449         (Incremental_input_entry::file_index_): New data member.
3450         (Incremental_binary::process_got_plt): New function.
3451         (Incremental_binary::do_process_got_plt): New function.
3452         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3453         data members.
3454         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3455         (Sized_incremental_binary::set_file_is_unchanged): New function.
3456         (Sized_incremental_binary::file_is_unchanged): New function.
3457         (Sized_incremental_binary::do_process_got_plt): New function.
3458         (Sized_incremental_binary::file_status_): New data member.
3459         (Sized_incremental_binary::main_symtab_loc_): New data member.
3460         (Sized_incremental_binary::main_strtab_loc_): New data member.
3461         * output.cc (Output_data_got::Got_entry::write): Add case
3462         RESERVED_CODE.
3463         (Output_data_got::add_global): Call add_got_entry.
3464         (Output_data_got::add_global_plt): Likewise.
3465         (Output_data_got::add_global_with_rel): Likewise.
3466         (Output_data_got::add_global_with_rela): Likewise.
3467         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3468         (Output_data_got::add_global_pair_with_rela): Likewise.
3469         (Output_data_got::add_local): Call add_got_entry.
3470         (Output_data_got::add_local_plt): Likewise.
3471         (Output_data_got::add_local_with_rel): Likewise.
3472         (Output_data_got::add_local_with_rela): Likewise.
3473         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3474         (Output_data_got::add_local_pair_with_rela): Likewise.
3475         (Output_data_got::reserve_slot): New function.
3476         (Output_data_got::reserve_slot_for_global): New function.
3477         (Output_data_got::add_got_entry): New function.
3478         (Output_data_got::add_got_entry_pair): New function.
3479         (Output_section::add_output_section_data): Edit FIXME.
3480         * output.h
3481         (Output_section_data_build::Output_section_data_build): New
3482         constructor with size parameter.
3483         (Output_data_space::Output_data_space): Likewise.
3484         (Output_data_got::Output_data_got): Initialize new data member; new
3485         constructor with size parameter.
3486         (Output_data_got::add_constant): Call add_got_entry.
3487         (Output_data_got::reserve_slot): New function.
3488         (Output_data_got::reserve_slot_for_global): New function.
3489         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3490         (Output_data_got::add_got_entry): New function.
3491         (Output_data_got::add_got_entry_pair): New function.
3492         (Output_data_got::free_list_): New data member.
3493         * target.h (Sized_target::init_got_plt_for_update): New function.
3494         (Sized_target::register_global_plt_entry): New function.
3495         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3496         Initialize new data member; call init; add constructor with PLT count.
3497         (Output_data_plt_x86_64::init): New function.
3498         (Output_data_plt_x86_64::add_relocation): New function.
3499         (Output_data_plt_x86_64::reserve_slot): New function.
3500         (Output_data_plt_x86_64::free_list_): New data member.
3501         (Target_x86_64::init_got_plt_for_update): New function.
3502         (Target_x86_64::register_global_plt_entry): New function.
3503         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3504         incremental updates.
3505         (Output_data_plt_x86_64::add_relocation): New function.
3506         * testsuite/object_unittest.cc (Object_test): Set default options.
3507
3508 2011-05-16  Ian Lance Taylor  <iant@google.com>
3509
3510         * options.h (class General_options): Make -i a synonym for -r.
3511
3512 2011-05-16  Ian Lance Taylor  <iant@google.com>
3513
3514         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3515
3516 2011-05-10 Cary Coutant  <ccoutant@google.com>
3517
3518         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3519         strip_all (-s).
3520
3521 2011-05-06  Ian Lance Taylor  <iant@google.com>
3522
3523         * layout.cc (Layout::layout): If the output section flags change,
3524         update the ordering.
3525
3526 2011-04-25 Cary Coutant  <ccoutant@google.com>
3527
3528         * incremental-dump.cc (dump_incremental_inputs): Print local
3529         symbol info for each input file.
3530         * incremental.cc
3531         (Output_section_incremental_inputs::set_final_data_size): Add local
3532         symbol info to input file entries in incremental info.
3533         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3534         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3535         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3536         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3537         implementation.
3538         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3539         (Sized_incr_relobj::do_relocate): Write the local symbols.
3540         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3541         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3542         Adjust size of input file header.
3543         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3544         (Incremental_inputs_reader::get_local_symbol_count): New function.
3545         (Incremental_inputs_reader::get_input_section): Adjust size of input
3546         file header.
3547         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3548         (Sized_incr_relobj::This): New typedef.
3549         (Sized_incr_relobj::sym_size): New const data member.
3550         (Sized_incr_relobj::Local_symbol): New struct.
3551         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3552         (Sized_incr_relobj::do_local_symbol_offset): New function.
3553         (Sized_incr_relobj::local_symbol_count_): New data member.
3554         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3555         (Sized_incr_relobj::local_symbol_index_): New data member.
3556         (Sized_incr_relobj::local_symbol_offset_): New data member.
3557         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3558         (Sized_incr_relobj::local_symbols_): New data member.
3559         * object.h (Relobj::output_local_symbol_count): New function.
3560         (Relobj::local_symbol_offset): New function.
3561         (Relobj::do_output_local_symbol_count): New function.
3562         (Relobj::do_local_symbol_offset): New function.
3563         (Sized_relobj::do_output_local_symbol_count): New function.
3564         (Sized_relobj::do_local_symbol_offset): New function.
3565
3566 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3567
3568         * descriptors.cc (set_close_on_exec): New function.
3569         (Descriptors::open): Use set_close_on_exec.
3570         * output.cc (S_ISLNK): Define if not defined.
3571
3572 2011-04-22 Cary Coutant  <ccoutant@google.com>
3573
3574         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3575         global symbol map.
3576         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3577         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3578         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3579         relocations.
3580         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3581         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3582         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3583         * incremental.h
3584         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3585         function.
3586         (Incremental_binary::apply_incremental_relocs): New function.
3587         (Incremental_binary::do_apply_incremental_relocs): New function.
3588         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3589         data member.
3590         (Sized_incremental_binary::add_global_symbol): New function.
3591         (Sized_incremental_binary::global_symbol): New function.
3592         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3593         (Sized_incremental_binary::symbol_map_): New data member.
3594         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3595         * target.h (Sized_target::apply_relocation): New function.
3596         * target-reloc.h (apply_relocation): New function.
3597         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3598
3599 2011-04-22  Doug Kwan  <dougkwan@google.com>
3600
3601         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3602         flag of a SHT_ARM_EXIDX section.
3603         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3604         * testsuite/Makefile.in: Regenerate.
3605         * testsuite/arm_exidx_test.s: New file.
3606         * testsuite/arm_exidx_test.sh: Same.
3607
3608 2011-04-20 Cary Coutant  <ccoutant@google.com>
3609
3610         PR gold/12689
3611         * archive.h (Incremental_archive_entry::Archive_member):
3612         Initialize arg_serial_ (second constructor).
3613
3614 2011-04-17  Ian Lance Taylor  <iant@google.com>
3615
3616         * object.cc (Relocate_info::location): Simplify location string.
3617         * errors.cc (Errors::error_at_location): Don't print program
3618         name.
3619         (Errors::warning_at_location): Likewise.
3620         (Errors::undefined_symbol): Likewise.
3621         * testsuite/debug_msg.sh: Update accordingly.
3622
3623 2011-04-14 Cary Coutant  <ccoutant@google.com>
3624
3625         * gold/layout.cc (Layout::symtab_section_offset): New function.
3626         * gold/layout.h (Layout::symtab_section_offset): New function.
3627         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3628
3629 2011-04-12  Ian Lance Taylor  <iant@google.com>
3630
3631         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3632         with MREMAP_MAYMOVE.
3633         * output.h (class Output_file): Add map_is_allocated_ field.
3634         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3635         not available, provide stubs.  If mremap is not available, #define
3636         it to gold_mremap.
3637         (MREMAP_MAYMOVE): Define if not defined.
3638         (Output_file::Output_file): Initialize map_is_allocated_.
3639         (Output_file::resize): Check map_is_allocated_.
3640         (Output_file::map_anonymous): If mmap fails, use malloc.
3641         (Output_file::unmap): Don't do anything for an anonymous map.
3642         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3643         is not available, provide stubs.
3644         (File_read::View::~View): Use free rather than delete[].
3645         (File_read::make_view): Use malloc rather than new[].  If mmap
3646         fails, use malloc.
3647         (File_read::find_or_make_view): Use malloc rather than new[].
3648         * gold.h: Remove HAVE_REMAP code.
3649         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3650         exists.  Rename mremap to gold_mremap.  If mmap is not available
3651         don't do anything.
3652         * configure, config.in: Rebuild.
3653
3654 2011-04-11  Ian Lance Taylor  <iant@google.com>
3655
3656         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3657         initialize local variable v.
3658
3659 2011-04-11  Cary Coutant  <ccoutant@google.com>
3660
3661         * archive.cc (Archive::include_member): Adjust call to
3662         report_object.
3663         (Add_archive_symbols::run): Track argument serial numbers.
3664         (Lib_group::include_member): Likewise.
3665         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3666         * archive.h (Incremental_archive_entry::Archive_member):
3667         Initialize arg_serial_.
3668         (Archive_member::arg_serial_): New data member.
3669         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3670         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3671         incremental link.
3672         (Sized_dynobj::do_for_all_local_got_entries): New function.
3673         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3674         function.
3675         * fileread.cc (get_mtime): New function.
3676         * fileread.h (get_mtime): New function.
3677         * gold.cc (queue_initial_tasks): Check for incremental update.
3678         (process_incremental_input): New function.
3679         (queue_middle_tasks): Don't force valid target for incremental
3680         update.
3681         * incremental-dump.cc (find_input_containing_global): Adjust
3682         size of symbol info entry.
3683         (dump_incremental_inputs): Dump argument serial number and
3684         in_system_directory flag; bias shndx by 1; print symbol names
3685         when dumping per-file symbol lists; use new symbol info readers.
3686         * incremental.cc
3687         (Output_section_incremental_inputs:update_data_size): New function.
3688         (Sized_incremental_binary::setup_readers): Setup input readers
3689         for each input file; build maps for files added from libraries
3690         and scripts.
3691         (Sized_incremental_binary::check_input_args): New function.
3692         (Sized_incremental_binary::do_check_inputs): Build map of argument
3693         serial numbers to input arguments.
3694         (Sized_incremental_binary::do_file_has_changed): Rename
3695         do_file_is_unchanged to this; compare file modification times.
3696         (Sized_incremental_binary::do_init_layout): New function.
3697         (Sized_incremental_binary::do_reserve_layout): New function.
3698         (Sized_incremental_binary::do_get_input_reader): Remove.
3699         (Sized_incremental_binary::get_symtab_view): New function.
3700         (Incremental_checker::can_incrementally_link_output_file): Remove.
3701         (Incremental_inputs::report_command_line): Exclude --debug options.
3702         (Incremental_inputs::report_archive_begin): Add parameter; track
3703         argument serial numbers; don't put input file entry for archive
3704         before archive members.
3705         (Incremental_inputs::report_archive_end): Put input file entry
3706         for archive after archive members.
3707         (Incremental_inputs::report_object): Add parameter; track argument
3708         serial numbers and in_system_directory flag.
3709         (Incremental_inputs::report_script): Add parameter; track argument
3710         serial numbers.
3711         (Output_section_incremental_inputs::set_final_data_size): Adjust
3712         size of symbol info entry; check for forwarding symbols.
3713         (Output_section_incremental_inputs::write_input_files): Write
3714         in_system_directory flag and argument serial number.
3715         (Output_section_incremental_inputs::write_info_blocks): Map section
3716         indices between incremental info and original input file; store
3717         input section index for each symbol.
3718         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3719         change operator() to visit().
3720         (class Global_got_offset_visitor): Likewise.
3721         (class Global_symbol_visitor_got_plt):
3722         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3723         classes.
3724         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3725         (Sized_incr_relobj::do_read_symbols): New function.
3726         (Sized_incr_relobj::do_layout): New function.
3727         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3728         (Sized_incr_relobj::do_add_symbols): New function.
3729         (Sized_incr_relobj::do_should_include_member): New function.
3730         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3731         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3732         (Sized_incr_relobj::do_section_size): New function.
3733         (Sized_incr_relobj::do_section_name): New function.
3734         (Sized_incr_relobj::do_section_contents): New function.
3735         (Sized_incr_relobj::do_section_flags): New function.
3736         (Sized_incr_relobj::do_section_entsize): New function.
3737         (Sized_incr_relobj::do_section_address): New function.
3738         (Sized_incr_relobj::do_section_type): New function.
3739         (Sized_incr_relobj::do_section_link): New function.
3740         (Sized_incr_relobj::do_section_info): New function.
3741         (Sized_incr_relobj::do_section_addralign): New function.
3742         (Sized_incr_relobj::do_initialize_xindex): New function.
3743         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3744         (Sized_incr_relobj::do_read_relocs): New function.
3745         (Sized_incr_relobj::do_gc_process_relocs): New function.
3746         (Sized_incr_relobj::do_scan_relocs): New function.
3747         (Sized_incr_relobj::do_count_local_symbols): New function.
3748         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3749         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3750         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3751         (Sized_incr_relobj::do_relocate): New function.
3752         (Sized_incr_relobj::do_set_section_offset): New function.
3753         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3754         (Sized_incr_dynobj::do_read_symbols): New function.
3755         (Sized_incr_dynobj::do_layout): New function.
3756         (Sized_incr_dynobj::do_add_symbols): New function.
3757         (Sized_incr_dynobj::do_should_include_member): New function.
3758         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3759         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3760         (Sized_incr_dynobj::do_section_size): New function.
3761         (Sized_incr_dynobj::do_section_name): New function.
3762         (Sized_incr_dynobj::do_section_contents): New function.
3763         (Sized_incr_dynobj::do_section_flags): New function.
3764         (Sized_incr_dynobj::do_section_entsize): New function.
3765         (Sized_incr_dynobj::do_section_address): New function.
3766         (Sized_incr_dynobj::do_section_type): New function.
3767         (Sized_incr_dynobj::do_section_link): New function.
3768         (Sized_incr_dynobj::do_section_info): New function.
3769         (Sized_incr_dynobj::do_section_addralign): New function.
3770         (Sized_incr_dynobj::do_initialize_xindex): New function.
3771         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3772         (make_sized_incremental_object): New function.
3773         (Incremental_library::copy_unused_symbols): New function.
3774         (Incremental_library::do_for_all_unused_symbols): New function.
3775         * incremental.h (enum Incremental_input_flags): New type.
3776         (class Incremental_checker): Remove.
3777         (Incremental_input_entry::Incremental_input_entry): Add argument
3778         serial number.
3779         (Incremental_input_entry::arg_serial): New function.
3780         (Incremental_input_entry::set_is_in_system_directory): New function.
3781         (Incremental_input_entry::is_in_system_directory): New function.
3782         (Incremental_input_entry::arg_serial_): New data member.
3783         (Incremental_input_entry::is_in_system_directory_): New data member.
3784         (class Script_info): Move here from script.h.
3785         (Script_info::Script_info): Add filename parameter.
3786         (Script_info::filename): New function.
3787         (Script_info::filename_): New data member.
3788         (Incremental_script_entry::Incremental_script_entry): Add argument
3789         serial number.
3790         (Incremental_object_entry::Incremental_object_entry): Likewise.
3791         (Incremental_object_entry::add_input_section): Build list of input
3792         sections with map to original shndx.
3793         (Incremental_object_entry::get_input_section_index): New function.
3794         (Incremental_object_entry::shndx_): New data member.
3795         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3796         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3797         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3798         serial number.
3799         (Incremental_inputs::report_archive_begin): Likewise.
3800         (Incremental_inputs::report_object): Likewise.
3801         (Incremental_inputs::report_script): Likewise.
3802         (class Incremental_global_symbol_reader): New class.
3803         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3804         and store flags and input file type.
3805         (Incremental_input_entry_reader::arg_serial): New function.
3806         (Incremental_input_entry_reader::type): Extract type from flags.
3807         (Incremental_input_entry_reader::is_in_system_directory): New function.
3808         (Incremental_input_entry_reader::get_input_section_count): Call
3809         accessor function for type.
3810         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3811         function for type; adjust size of global symbol entry.
3812         (Incremental_input_entry_reader::get_global_symbol_count): Call
3813         accessor function for type.
3814         (Incremental_input_entry_reader::get_object_count): Likewise.
3815         (Incremental_input_entry_reader::get_object_offset): Likewise.
3816         (Incremental_input_entry_reader::get_member_count): Likewise.
3817         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3818         (Incremental_input_entry_reader::get_member_offset): Likewise.
3819         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3820         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3821         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3822         (Incremental_input_entry_reader::get_global_symbol_reader): New
3823         function.
3824         (Incremental_input_entry_reader::get_output_symbol_index): New
3825         function.
3826         (Incremental_input_entry_reader::type_): Remove.
3827         (Incremental_input_entry_reader::flags_): New data member.
3828         (Incremental_inputs_reader::input_file_offset): New function.
3829         (Incremental_inputs_reader::input_file_index): New function.
3830         (Incremental_inputs_reader::input_file): Call input_file_offset.
3831         (Incremental_inputs_reader::input_file_at_offset): New function.
3832         (Incremental_relocs_reader::get_r_type): Reformat.
3833         (Incremental_relocs_reader::get_r_shndx): Reformat.
3834         (Incremental_relocs_reader::get_r_offset): Reformat.
3835         (Incremental_relocs_reader::data): New function.
3836         (Incremental_binary::Incremental_binary): Initialize new data members.
3837         (Incremental_binary::check_inputs): Add cmdline parameter.
3838         (Incremental_binary::file_is_unchanged): Remove.
3839         (Input_reader::arg_serial): New function.
3840         (Input_reader::get_unused_symbol_count): New function.
3841         (Input_reader::get_unused_symbol): New function.
3842         (Input_reader::do_arg_serial): New function.
3843         (Input_reader::do_get_unused_symbol_count): New function.
3844         (Input_reader::do_get_unused_symbol): New function.
3845         (Incremental_binary::input_file_count): New function.
3846         (Incremental_binary::get_input_reader): Change signature to use
3847         index instead of filename.
3848         (Incremental_binary::file_has_changed): New function.
3849         (Incremental_binary::get_input_argument): New function.
3850         (Incremental_binary::get_library): New function.
3851         (Incremental_binary::get_script_info): New function.
3852         (Incremental_binary::init_layout): New function.
3853         (Incremental_binary::reserve_layout): New function.
3854         (Incremental_binary::output_file): New function.
3855         (Incremental_binary::do_check_inputs): New function.
3856         (Incremental_binary::do_file_is_unchanged): Remove.
3857         (Incremental_binary::do_file_has_changed): New function.
3858         (Incremental_binary::do_init_layout): New function.
3859         (Incremental_binary::do_reserve_layout): New function.
3860         (Incremental_binary::do_input_file_count): New function.
3861         (Incremental_binary::do_get_input_reader): Change signature.
3862         (Incremental_binary::input_args_map_): New data member.
3863         (Incremental_binary::library_map_): New data member.
3864         (Incremental_binary::script_map_): New data member.
3865         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3866         new data members.
3867         (Sized_incremental_binary::output_section): New function.
3868         (Sized_incremental_binary::inputs_reader): Add const.
3869         (Sized_incremental_binary::symtab_reader): Add const.
3870         (Sized_incremental_binary::relocs_reader): Add const.
3871         (Sized_incremental_binary::got_plt_reader): Add const.
3872         (Sized_incremental_binary::get_symtab_view): New function.
3873         (Sized_incremental_binary::Inputs_reader): New typedef.
3874         (Sized_incremental_binary::Input_entry_reader): New typedef.
3875         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3876         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3877         (Sized_incremental_binary::do_file_has_changed): New function.
3878         (Sized_incremental_binary::do_init_layout): New function.
3879         (Sized_incremental_binary::do_reserve_layout): New function.
3880         (Sized_input_reader::Inputs_reader): Remove.
3881         (Sized_input_reader::Input_entry_reader): Remove.
3882         (Sized_input_reader::do_arg_serial): New function.
3883         (Sized_input_reader::do_get_unused_symbol_count): New function.
3884         (Sized_input_reader::do_get_unused_symbol): New function.
3885         (Sized_incremental_binary::do_input_file_count): New function.
3886         (Sized_incremental_binary::do_get_input_reader): Change signature;
3887         use index instead of filename.
3888         (Sized_incremental_binary::section_map_): New data member.
3889         (Sized_incremental_binary::input_entry_readers_): New data member.
3890         (class Sized_incr_relobj): New class.
3891         (class Sized_incr_dynobj): New class.
3892         (make_sized_incremental_object): New function.
3893         (class Incremental_library): New class.
3894         * layout.cc (Free_list::num_lists): New static data member.
3895         (Free_list::num_nodes): New static data member.
3896         (Free_list::num_removes): New static data member.
3897         (Free_list::num_remove_visits): New static data member.
3898         (Free_list::num_allocates): New static data member.
3899         (Free_list::num_allocate_visits): New static data member.
3900         (Free_list::init): New function.
3901         (Free_list::remove): New function.
3902         (Free_list::allocate): New function.
3903         (Free_list::dump): New function.
3904         (Free_list::print_stats): New function.
3905         (Layout_task_runner::run): Resize output file for incremental updates.
3906         (Layout::Layout): Initialize new data members.
3907         (Layout::set_incremental_base): New function.
3908         (Layout::init_fixed_output_section): New function.
3909         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3910         incremental updates.
3911         (Layout::create_gold_note): Do not create gold note section for
3912         incremental updates.
3913         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3914         for incremental updates.
3915         (Layout::set_section_offsets): For incremental updates, allocate space
3916         from free list.
3917         (Layout::create_symtab_sections): Layout with offsets relative to
3918         start of section; for incremental updates, allocate space from free
3919         list.
3920         (Layout::create_shdrs): For incremental updates, allocate space from
3921         free list.
3922         (Layout::finish_dynamic_section): For incremental updates, do not
3923         check --as-needed (fixed in subsequent patch).
3924         * layout.h (class Free_list): New class.
3925         (Layout::set_incremental_base): New function.
3926         (Layout::incremental_base): New function.
3927         (Layout::init_fixed_output_section): New function.
3928         (Layout::allocate): New function.
3929         (Layout::incremental_base_): New data member.
3930         (Layout::free_list_): New data member.
3931         * main.cc (main): Print Free_list statistics.
3932         * object.cc (Relobj::finalize_incremental_relocs): Add
3933         clear_counts parameter; clear counts only when clear_counts is set.
3934         (Sized_relobj::Sized_relobj): Initialize new base class.
3935         (Sized_relobj::do_layout): Don't report special sections.
3936         (Sized_relobj::do_for_all_local_got_entries): New function.
3937         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3938         symtab_off to all symbol table offsets.
3939         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3940         * object.h (class Got_offset_list): Move to top of file.
3941         (Object::Object): Allow case where input_file == NULL.
3942         (Object::~Object): Likewise.
3943         (Object::input_file): Assert that input_file != NULL.
3944         (Object::lock): Allow case where input_file == NULL.
3945         (Object::unlock): Likewise.
3946         (Object::is_locked): Likewise.
3947         (Object::token): Likewise.
3948         (Object::release): Likewise.
3949         (Object::is_incremental): New function.
3950         (Object::get_mtime): New function.
3951         (Object::for_all_local_got_entries): New function.
3952         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3953         (Object::set_is_in_system_directory): New function.
3954         (Object::is_in_system_directory): New function.
3955         (Object::do_is_incremental): New function.
3956         (Object::do_get_mtime): New function.
3957         (Object::do_for_all_local_got_entries): New function.
3958         (Object::is_in_system_directory_): New data member.
3959         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3960         (class Sized_relobj_base): New class.
3961         (class Sized_relobj): Derive from Sized_relobj_base.
3962         (class Sized_relobj::Symbols): Redeclare from base class.
3963         (class Sized_relobj::local_got_offset_list): Remove.
3964         (class Sized_relobj::Output_sections): Redeclare from base class.
3965         (class Sized_relobj::do_for_all_local_got_entries): New function.
3966         (class Sized_relobj::write_local_symbols): Add offset parameter.
3967         (class Sized_relobj::local_symbol_offset_): Update comment.
3968         (class Sized_relobj::local_dynsym_offset_): Update comment.
3969         * options.cc (Input_arguments::add_file): Remove const.
3970         * options.h (Input_file_argument::Input_file_argument):
3971         Initialize arg_serial_ (all constructors).
3972         (Input_file_argument::set_arg_serial): New function.
3973         (Input_file_argument::arg_serial): New function.
3974         (Input_file_argument::arg_serial_): New data member.
3975         (Input_arguments::Input_arguments): Initialize file_count_.
3976         (Input_arguments::add_file): Remove const.
3977         (Input_arguments::number_of_input_files): New function.
3978         (Input_arguments::file_count_): New data member.
3979         (Command_line::number_of_input_files): Call
3980         Input_arguments::number_of_input_files.
3981         * output.cc (Output_segment_headers::Output_segment_headers):
3982         Set current size.
3983         (Output_section::Input_section::current_data_size): New function.
3984         (Output_section::Output_section): Initialize new data members.
3985         (Output_section::add_input_section): Don't do merge sections for
3986         an incremental link; allocate space from free list for an
3987         incremental update.
3988         (Output_section::add_output_section_data): Allocate space from
3989         free list for an incremental update.
3990         (Output_section::update_data_size): New function.
3991         (Output_section::set_fixed_layout): New function.
3992         (Output_section::reserve): New function.
3993         (Output_segment::set_section_addresses): Remove const.
3994         (Output_segment::set_section_list_addresses): Remove const; allocate
3995         space from free list for an incremental update.
3996         (Output_segment::set_offset): Adjust size of RELRO segment for an
3997         incremental update.
3998         * output.h (Output_data::current_data_size): Move here from
3999         child classes.
4000         (Output_data::pre_finalize_data_size): New function.
4001         (Output_data::update_data_size): New function.
4002         (Output_section_headers::update_data_size): new function.
4003         (Output_section_data_build::current_data_size): Move to Output_data.
4004         (Output_data_strtab::update_data_size): New function.
4005         (Output_section::current_data_size): Move to Output_data.
4006         (Output_section::set_fixed_layout): New function.
4007         (Output_section::has_fixed_layout): New function.
4008         (Output_section::reserve): New function.
4009         (Output_section::update_data_size): New function.
4010         (Output_section::has_fixed_layout_): New data member.
4011         (Output_section::free_list_): New data member.
4012         (Output_segment::set_section_addresses): Remove const.
4013         (Output_segment::set_section_list_addresses): Remove const.
4014         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4015         New function.
4016         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4017         New function.
4018         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4019         parameter when calling Add_symbols constructor; store argument
4020         serial number for members of a lib group.
4021         (Add_symbols::locks): Allow case where token == NULL.
4022         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4023         (Read_member::~Read_member): New function.
4024         (Read_member::is_runnable): New function.
4025         (Read_member::locks): New function.
4026         (Read_member::run): New function.
4027         (Check_script::~Check_script): New function.
4028         (Check_script::is_runnable): New function.
4029         (Check_script::locks): New function.
4030         (Check_script::run): New function.
4031         (Check_library::~Check_library): New function.
4032         (Check_library::is_runnable): New function.
4033         (Check_library::locks): New function.
4034         (Check_library::run): New function.
4035         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4036         (Add_symbols::library_): New data member.
4037         (class Read_member): New class.
4038         (class Check_script): New class.
4039         (class Check_library): New class.
4040         * reloc.cc (Read_relocs::is_runnable): Allow case where
4041         token == NULL.
4042         (Read_relocs::locks): Likewise.
4043         (Scan_relocs::locks): Likewise.
4044         (Relocate_task::locks): Likewise.
4045         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4046         to clear counters.
4047         (Sized_relobj::incremental_relocs_scan): Fix comment.
4048         (Sized_relobj::do_relocate): Pass output file offset to
4049         write_local_symbols.
4050         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4051         from class declaration.
4052         * script.cc (read_input_script): Allocate Script_info; pass
4053         argument serial number to report_script.
4054         * script.h (class Script_info): Move to incremental.h.
4055         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4056         * symtab.h (Symbol_table::add_from_incrobj): New function.
4057         (Symbol_table::set_file_offset): New function.
4058
4059 2011-04-05  Cary Coutant  <ccoutant@google.com>
4060
4061         * incremental-dump.cc (dump_incremental_inputs): Change signature
4062         to take a Sized_incremental_binary; change caller.  Use readers
4063         in Sized_incremental_binary.
4064         * incremental.cc
4065         (Sized_incremental_binary::find_incremental_inputs_sections):
4066         Rename do_find_incremental_inputs_sections to this.
4067         (Sized_incremental_binary::setup_readers): New function.
4068         (Sized_incremental_binary::do_check_inputs): Check
4069         has_incremental_info_ flag; move setup code to setup_readers;
4070         use input readers.
4071         (Sized_incremental_binary::do_file_is_unchanged): New function.
4072         (Sized_incremental_binary::do_get_input_reader): New function.
4073         * incremental.h (class Incremental_binary): Move to end of file.
4074         (Incremental_binary::file_is_unchanged): New function.
4075         (Incremental_binary::do_file_is_unchanged): New function.
4076         (Incremental_binary::Input_reader): New class.
4077         (Incremental_binary::get_input_reader): New function.
4078         (class Sized_incremental_binary): Move to end of file.
4079         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4080         input section reader classes.
4081         (Sized_incremental_binary::has_incremental_info): New function.
4082         (Sized_incremental_binary::inputs_reader): New function.
4083         (Sized_incremental_binary::symtab_reader): New function.
4084         (Sized_incremental_binary::relocs_reader): New function.
4085         (Sized_incremental_binary::got_plt_reader): New function.
4086         (Sized_incremental_binary::do_file_is_unchanged): New function.
4087         (Sized_incremental_binary::Sized_input_reader): New class.
4088         (Sized_incremental_binary::get_input_reader): New function.
4089         (Sized_incremental_binary::find_incremental_inputs_sections):
4090         Rename do_find_incremental_inputs_sections to this.
4091         (Sized_incremental_binary::setup_readers): New function.
4092         (Sized_incremental_binary::has_incremental_info_): New data member.
4093         (Sized_incremental_binary::inputs_reader_): New data member.
4094         (Sized_incremental_binary::symtab_reader_): New data member.
4095         (Sized_incremental_binary::relocs_reader_): New data member.
4096         (Sized_incremental_binary::got_plt_reader_): New data member.
4097         (Sized_incremental_binary::current_input_file_): New data member.
4098
4099 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4100
4101         PR gold/12640
4102         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4103         violation.
4104
4105 2011-03-30  Cary Coutant  <ccoutant@google.com>
4106
4107         * archive.cc (Archive::include_member): Adjust call to report_object.
4108         (Add_archive_symbols::run): Add script_info to call to
4109         report_archive_begin.
4110         (Lib_group::include_member): Adjust call to report_object.
4111         (Add_lib_group_symbols::run): Adjust call to report_object.
4112         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4113         blocks.  Add object count for script input files.
4114         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4115         script_info parameter; change all callers.
4116         (Incremental_inputs::report_object): Add script_info parameter;
4117         change all callers.
4118         (Incremental_inputs::report_script): Store backpointer to
4119         incremental info entry.
4120         (Output_section_incremental_inputs::set_final_data_size): Record
4121         additional information for scripts.
4122         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4123         * incremental.h (Incremental_script_entry::add_object): New function.
4124         (Incremental_script_entry::get_object_count): New function.
4125         (Incremental_script_entry::get_object): New function.
4126         (Incremental_script_entry::objects_): New data member; adjust
4127         constructor.
4128         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4129         (Incremental_inputs::report_object): Add script_info parameter.
4130         (Incremental_inputs_reader::get_object_count): New function.
4131         (Incremental_inputs_reader::get_object_offset): New function.
4132         * options.cc (Input_arguments::add_file): Return reference to
4133         new input argument.
4134         * options.h (Input_argument::set_script_info): New function.
4135         (Input_argument::script_info): New function.
4136         (Input_argument::script_info_): New data member; adjust all
4137         constructors.
4138         (Input_file_group::add_file): Return reference to new input argument.
4139         (Input_file_lib::add_file): Likewise.
4140         (Input_arguments::add_file): Likewise.
4141         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4142         * script.cc (Parser_closure::Parser_closure): Add script_info
4143         parameter; adjust all callers.
4144         (Parser_closure::script_info): New function.
4145         (Parser_closure::script_info_): New data member.
4146         (read_input_script): Report scripts earlier to incremental info.
4147         (script_add_file): Set script_info in Input_argument.
4148         (script_add_library): Likewise.
4149         * script.h (Script_options::Script_info): Rewrite class.
4150
4151 2011-03-29  Cary Coutant  <ccoutant@google.com>
4152
4153         * archive.cc (Library_base::should_include_member): Move
4154         method here from class Archive.
4155         (Archive::Archive): Initialize base class.
4156         (Archive::should_include_member): Move to base class.
4157         (Archive::do_for_all_unused_symbols): New function.
4158         (Add_archive_symbols::run): Remove redundant access to
4159         incremental_inputs.
4160         (Lib_group::Lib_group): Initialize base class.
4161         (Lib_group::do_filename): New function.
4162         (Lib_group::include_member): Pass pointer to Lib_group to
4163         report_object.
4164         (Lib_group::do_for_all_unused_symbols): New function.
4165         (Add_lib_group_symbols::run): Report archive information for
4166         incremental links.
4167         * archive.h (class Library_base): New base class.
4168         (class Archive): Derive from Library_base.
4169         (Archive::filename): Move to base class.
4170         (Archive::set_incremental_info): Likewise.
4171         (Archive::incremental_info): Likewise.
4172         (Archive::Should_include): Likewise.
4173         (Archive::should_include_member): Likewise.
4174         (Archive::Armap_entry): Remove.
4175         (Archive::Unused_symbol_iterator): Remove.
4176         (Archive::unused_symbols_begin): Remove.
4177         (Archive::unused_symbols_end): Remove.
4178         (Archive::do_filename): New function.
4179         (Archive::do_get_mtime): New function.
4180         (Archive::do_for_all_unused_symbols): New function.
4181         (Archive::task_): Move to base class.
4182         (Archive::incremental_info_): Likewise.
4183         (class Lib_group): Derive from Library_base.
4184         (Lib_group::do_filename): New function.
4185         (Lib_group::do_get_mtime): New function.
4186         (Lib_group::do_for_all_unused_symbols): New function.
4187         (Lib_group::task_): Move to base class.
4188         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4189         function.
4190         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4191         function.
4192         * incremental.cc (Incremental_inputs::report_archive_begin):
4193         Use Library_base; call library's get_mtime; add incremental inputs
4194         entry before members.
4195         (class Unused_symbol_visitor): New class.
4196         (Incremental_inputs::report_archive_end): Use Library_base; use
4197         visitor class to record unused symbols; don't add incremental inputs
4198         entry after members.
4199         (Incremental_inputs::report_object): Use Library_base.
4200         * incremental.h
4201         (Incremental_archive_entry::Incremental_archive_entry): Remove
4202         unused Archive parameter.
4203         (Incremental_inputs::report_archive_begin): Use Library_base.
4204         (Incremental_inputs::report_archive_end): Likewise.
4205         (Incremental_inputs::report_object): Likewise.
4206         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4207         function.
4208         * object.h (Object::for_all_global_symbols): New function.
4209         (Object::do_for_all_global_symbols): New function.
4210         (Sized_relobj::do_for_all_global_symbols): New function.
4211         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4212         function.
4213         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4214         function.
4215
4216 2011-03-27  Ian Lance Taylor  <iant@google.com>
4217
4218         * archive.cc (Archive::interpret_header): Return -1 if something
4219         goes wrong.  Change callers accordingly.
4220
4221 2011-03-25  Cary Coutant  <ccoutant@google.com>
4222
4223         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4224         * testsuite/Makefile.in: Regenerate.
4225
4226 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4227
4228         * plugin.cc (get_view): New.
4229         (Plugin::load): Pass get_view to the plugin.
4230         (Plugin_manager::get_view): New.
4231
4232 2011-03-21  Ian Lance Taylor  <iant@google.com>
4233
4234         * testsuite/final_layout.sh: Rewrite to not use dc.
4235         * testsuite/relro_test.sh: Fail if dc is not present.
4236
4237 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4238
4239         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4240         Change == to -eq.
4241         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4242         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4243         Change == to -eq.
4244         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4245         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4246
4247 2011-03-14  Ian Lance Taylor  <iant@google.com>
4248
4249         * script-sections.cc (Sort_output_sections::script_compare):
4250         Rename from is_before, change return type.
4251         (Sort_output_sections::operator()): Adjust accordingly.
4252
4253 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4254
4255         PR gold/12572
4256         * testsuite/odr_violation2.cc: Add comment to make all error line
4257         numbers double digits.
4258         * testsuite/debug_msg.sh: Adjust expected errors.
4259
4260 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4261
4262         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4263         but mark earlier ones as non-canonical
4264         (offset_to_iterator): Update search target and example
4265         (do_addr2line): Return extra lines in a vector*
4266         (format_file_lineno): Extract from do_addr2line
4267         (one_addr2line): Add vector* out-param
4268         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4269         when a lineno entry appeared last for its instruction
4270         (Dwarf_line_info): Add vector* out-param
4271         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4272         * symtab.cc (Odr_violation_compare): Include the lineno in the
4273         comparison again.
4274         (linenos_from_loc): New. Combine the canonical line for an
4275         address with its other lines.
4276         (True_if_intersect): New. Helper functor to make
4277         std::set_intersection a query.
4278         (detect_odr_violations): Compare sets of lines instead of just
4279         one line for each function. This became less deterministic, but
4280         has fewer false positives.
4281         * symtab.h: Declarations.
4282         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4283         mix an optimized and non-optimized object in the same binary
4284         (odr_violation2.so): Same.
4285         * testsuite/Makefile.in: Regenerate from Makefile.am.
4286         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4287         * testsuite/debug_msg.sh: Update line numbers and add
4288         assertions.
4289         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4290         non-optimized context.
4291         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4292         isn't inlined, and use OdrDerived in an optimized context.
4293         * testsuite/odr_header1.h: Defines OdrDerived, where
4294         optimization will change the
4295         first-instruction-in-the-destructor's file and line number.
4296         * testsuite/odr_header2.h: Defines OdrBase.
4297
4298 2011-03-09  Ian Lance Taylor  <iant@google.com>
4299
4300         * fileread.cc (File_read::clear_views): Don't delete the whole
4301         file view.
4302
4303 2011-03-08  Ian Lance Taylor  <iant@google.com>
4304
4305         PR gold/12525
4306         * fileread.cc: #include <climits>.
4307         (GOLD_IOV_MAX): Define.
4308         (File_read::read_multiple): Limit number of entries by iov_max.
4309         * fileread.h (class File_read): Always set max_readv_entries to
4310         128.
4311
4312 2011-03-07  Ian Lance Taylor  <iant@google.com>
4313
4314         PR gold/12525
4315         * options.h (class General_options): Add -dy and -dn.
4316
4317 2011-03-02  Cary Coutant  <ccoutant@google.com>
4318
4319         * testsuite/script_test_9.t: Add TLS segment.
4320
4321 2011-03-02  Simon Baldwin  <simonb@google.com>
4322
4323         * configure.ac: Add check for gnu_indirect_function support in
4324         the toolchain building binutils.
4325         * configure: Rebuild.
4326
4327 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4328
4329         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4330         plugin only symbols.
4331         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4332         in plugin files as not needed in the symbol table.
4333
4334 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4335
4336         * output.cc (Output_section::add_input_section): Delay fill
4337         generation for section ordering.
4338
4339 2011-02-09  Ian Lance Taylor  <iant@google.com>
4340
4341         PR gold/12316
4342         * object.h (class Sized_relobj): Remove clear_local_symbols.
4343         * reloc.cc (Sized_relobj::do_relocate): Don't call
4344         clear_local_symbols.
4345
4346 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4347
4348         * plugin.cc (is_visible_from_outside): Return true for symbols
4349         in the -u option.
4350
4351 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4352
4353         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4354         filename.
4355
4356 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4357
4358         * icf.h (is_section_foldable_candidate): Change type of parameter
4359         to std::string.
4360         * icf.cc (Icf::find_identical_sections): Change type of local variable
4361         section_name to be std::string.
4362         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4363
4364 2011-01-25  Ian Lance Taylor  <iant@google.com>
4365
4366         * script.cc (script_add_extern): Rewrite to use
4367         add_symbol_reference.
4368
4369 2011-01-25  Doug Kwan  <dougkwan@google.com>
4370
4371         * icf.cc (get_section_contents): Always lock section's object.
4372
4373 2011-01-24  Ian Lance Taylor  <iant@google.com>
4374
4375         * options.h (class General_options): Accept
4376         --no-detect-odr-violations.
4377
4378 2011-01-24  Ian Lance Taylor  <iant@google.com>
4379
4380         * version.cc (version_string): Bump to 1.11.
4381
4382 2011-01-24  Ian Lance Taylor  <iant@google.com>
4383
4384         * plugin.cc (class Plugin_rescan): Define new class.
4385         (Plugin_manager::claim_file): Set any_claimed_.
4386         (Plugin_manager::save_archive): New function.
4387         (Plugin_manager::save_input_group): New function.
4388         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4389         necessary.
4390         (Plugin_manager::new_undefined_symbol): New function.
4391         (Plugin_manager::rescan): New function.
4392         (Plugin_manager::rescannable_defines): New function.
4393         (Plugin_manager::add_input_file): Set any_added_.
4394         * plugin.h (class Plugin_manager): define new fields rescannable_,
4395         undefined_symbols_, any_claimed_, and any_added_.  Declare
4396         Plugin_rescan as friend.  Declare new functions.
4397         (Plugin_manager::Rescannable): Define type.
4398         (Plugin_manager::Rescannable_list): Define type.
4399         (Plugin_manager::Undefined_symbol_list): Define type.
4400         (Plugin_manager::Plugin_manager): Initialize new fields.
4401         * archive.cc (Archive::defines_symbol): New function.
4402         (Add_archive_symbols::run): Pass archive to plugins if any.
4403         * archive.h (class Archive): Declare defines_symbol.
4404         * readsyms.cc (Input_group::~Input_group): New function.
4405         (Finish_group::run): Pass input_group to plugins if any.
4406         * readsyms.h (class Input_group): Declare destructor.
4407         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4408         any.
4409
4410 2011-01-10  Ian Lance Taylor  <iant@google.com>
4411
4412         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4413         section as relro.
4414         (Layout::set_segment_offsets): Reset increase_relro before calling
4415         set_section_addresses a second time.
4416
4417 2011-01-04  Cary Coutant  <ccoutant@google.com>
4418
4419         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4420         sections before NOBITS sections.
4421
4422 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4423
4424         * version.cc (print_version): Update copyright to 2011.
4425
4426 2010-12-23  Cary Coutant  <ccoutant@google.com>
4427
4428         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4429         of OS to this->add.  Add OD parameter to second form of the function.
4430
4431 2010-12-20  Ian Lance Taylor  <iant@google.com>
4432
4433         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4434         second of two consecutive entries with same offset.
4435
4436 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4437
4438         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4439         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4440         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4441         to avoid unneeded links against $(LDADD).
4442         * testsuite/Makefile.in: Regenerate.
4443
4444 2010-12-15  Ian Lance Taylor  <iant@google.com>
4445
4446         PR gold/12324
4447         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4448         for R_X86_64_32 and R_X86_64_PC32.
4449         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4450         ver_matching_def_pic.o.
4451         (ver_matching_def_pic.o): New target.
4452
4453 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4454
4455         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4456         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4457         Move definition before File_read::View member definitions.
4458         (File_read::View::~View): Initialize and hold lock before
4459         updating current_mapped_bytes.
4460
4461 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4462
4463         * dwarf_reader.cc: Remove outdated comment.
4464         * gold-threads.cc: Fix typo in error message.
4465         * archive.cc: Fix typos in comments.
4466         * archive.h: Likewise.
4467         * arm-reloc-property.cc: Likewise.
4468         * arm-reloc-property.h: Likewise.
4469         * arm-reloc.def: Likewise.
4470         * arm.cc: Likewise.
4471         * attributes.h: Likewise.
4472         * cref.cc: Likewise.
4473         * ehframe.cc: Likewise.
4474         * fileread.h: Likewise.
4475         * gold.h: Likewise.
4476         * i386.cc: Likewise.
4477         * icf.cc: Likewise.
4478         * incremental.h: Likewise.
4479         * int_encoding.cc: Likewise.
4480         * layout.h: Likewise.
4481         * main.cc: Likewise.
4482         * merge.h: Likewise.
4483         * object.cc: Likewise.
4484         * object.h: Likewise.
4485         * options.cc: Likewise.
4486         * readsyms.cc: Likewise.
4487         * reduced_debug_output.cc: Likewise.
4488         * reloc.cc: Likewise.
4489         * script-sections.cc: Likewise.
4490         * sparc.cc: Likewise.
4491         * symtab.h: Likewise.
4492         * target-reloc.h: Likewise.
4493         * target.cc: Likewise.
4494         * target.h: Likewise.
4495         * timer.cc: Likewise.
4496         * timer.h: Likewise.
4497         * x86_64.cc: Likewise.
4498
4499 2010-12-09  Cary Coutant  <ccoutant@google.com>
4500
4501         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4502         stack.
4503         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4504         parameter; change all callers.
4505         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4506         * options.h (warn_execstack): New option.
4507
4508 2010-12-07  Doug Kwan  <dougkwan@google.com>
4509
4510         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4511         like function call relocations.
4512
4513 2010-12-07  Ian Lance Taylor  <iant@google.com>
4514
4515         * archive.cc (Archive::get_elf_object_for_member): Permit
4516         punconfigured to be NULL.
4517         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4518         (Archive::include_member): Pass NULL to get_elf_object_for_member
4519         if we searched for the archive and this is the first included
4520         object.
4521
4522 2010-12-01  Ian Lance Taylor  <iant@google.com>
4523
4524         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4525         track_relocs_type_ field.
4526         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4527         Set track_relocs_type_.
4528         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4529         contents when using RELA relocs.
4530         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4531         reloc_map_.
4532         * reloc.cc (Track_relocs::next_addend): New function.
4533         * reloc.h (class Track_relocs): Declare next_addend.
4534
4535 2010-12-01  Ian Lance Taylor  <iant@google.com>
4536
4537         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4538         virtual destructor.
4539
4540 2010-12-01  Ian Lance Taylor  <iant@google.com>
4541
4542         * README: Update compilers known to work and fail.
4543
4544 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4545
4546         * configure.in: For --enable-gold, handle value `default' instead of
4547         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4548         not the default.
4549         * configure: Regenerate.
4550
4551 2010-11-18  Doug Kwan  <dougkwan@google.com>
4552
4553         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4554         and right_alignment to be zero.  Store result alignment only if it is
4555         greater than existing alignment.
4556
4557 2010-11-16  Cary Coutant  <ccoutant@google.com>
4558
4559         PR gold/12220
4560         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4561         Check for ".zdebug_line".
4562
4563 2010-11-16  Doug Kwan  <dougkwan@google.com>
4564             Cary Coutant  <ccoutant@google.com>
4565
4566         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4567         by reference; adjust all callers.
4568         * output.cc (Output_segment::set_section_addresses): Adjust references
4569         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4570         list is empty.
4571         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4572         end at page boundary.
4573
4574 2010-11-16  Cary Coutant  <ccoutant@google.com>
4575
4576         PR gold/12220
4577         * layout.cc (Layout::choose_output_section): Transform names of
4578         compressed sections even when using a script with a SECTIONS clause.
4579         (Layout::output_section_name): Remove code to transform
4580         compressed debug section names.
4581         * output.cc (Output_section::add_input_section): Use uncompressed
4582         section size when tracking input sections.
4583
4584 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4585
4586         * symtab.h (Symbol::NON_PIC_REF): Remove.
4587         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4588         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4589         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4590         (Symbol::use_plt_offset): Take a flags argument and pass it
4591         directly to needs_dynamic_reloc.  Restrict check for undefined
4592         weak symbols to function calls.
4593         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4594         (Target_arm::Scan::global): Use it.
4595         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4596         (Target_arm::Relocate::relocate): Likewise.
4597         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4598         parameter with an r_type parameter.  Use get_reference_flags
4599         to get the flags.
4600         (Target_arm::Relocate::relocate): Update accordingly.
4601         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4602         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4603         (Target_i386::Scan::global): Likewise.
4604         (Target_i386::Relocate::relocate): Likewise.
4605         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4606         parameter with an r_type parameter.  Use get_reference_flags
4607         to get the flags.
4608         (Target_i386::Relocate::relocate): Update accordingly.
4609         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4610         (Target_powerpc::Scan::global): Use it.
4611         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4612         (Target_powerpc::Relocate::relocate): Likewise.
4613         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4614         (Target_sparc::Scan::global): Use it.
4615         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4616         (Target_sparc::Relocate::relocate): Likewise.
4617         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4618         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4619         (Target_x86_64::Scan::global): Likewise.
4620         (Target_x86_64::Relocate::relocate): Likewise.
4621
4622 2010-11-08  Doug Kwan  <dougkwan@google.com>
4623             Cary Coutant  <ccoutant@google.com>
4624
4625         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4626         (Arm_exidx_merge_section::section_contents_): New data member.
4627         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4628         (Arm_input_section::~Arm_input_section): De-allocate memory.
4629         (Arm_input_section::original_contents_): New data member.
4630         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4631         in parameters instead of calling Object::section_contents without
4632         locking.
4633         (Arm_output_section::group_section): New parameter TASK.  Pass it
4634         to callees that need locking objects.
4635         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4636         to lock EXIDX input sections.  Fix a formatting issue.  Call
4637         Arm_exidx_merged_section::build_contents to create merged section
4638         contents.
4639         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4640         to lock object of stub table owner.
4641         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4642         TEXT_SIZE to initialize data member TEXT_SIZE_.
4643         (Arm_exidx_input_section::addralign): Fix typo in comment.
4644         (Arm_exidx_input_section::text_size): New method.
4645         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4646         that require locking objects.  Lock objects before scanning for stubs
4647         and updating local symbols.
4648         (Arm_input_section<big_endian>::init): Copy contents of original
4649         input section.
4650         (Arm_input_section<big_endian>::do_write): Use saved contents of
4651         original input section instead of calling Object::section_contents
4652         without locking.
4653         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4654         size without calling Object::section_size().
4655         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4656         for size.  Allocate a buffer for merged EXIDX entries.
4657         (Arm_exidx_merged_section::build_contents): New method.
4658         (Arm_exidx_merged_section::do_write): Move merge section contents
4659         building code to Arm_exidx_merged_section::build_contetns.  Write
4660         out contetns in buffer instead of building it on the fly.
4661         (Arm_relobj::make_exidx_input_section): Also pass text section size
4662         to Arm_exidx_input_section constructor.
4663         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4664         (Arm_dynobj::do_read_symbols): Fix memory leak.
4665         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4666         * target.h: (class Task): Add forward declaration.
4667         (Target::relax): Add new parameter TASK and pass it to
4668         Target::do_relax().
4669         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4670
4671 2010-11-05  Cary Coutant  <ccoutant@google.com>
4672
4673         PR gold/10708
4674         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4675         object when reading from the file.
4676         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4677         second layout pass.
4678         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4679         when reading section contents.
4680         (get_section_contents): Likewise.
4681         (icf::find_identical_sections): Likewise.
4682         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4683         object when reading from the file.
4684         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4685         the object when doing deferred section layout.
4686
4687 2010-11-03  Nick Clifton  <nickc@redhat.com>
4688
4689         PR gold/12001
4690         * script.h (class Symbol_assignment: name): New member.  Returns
4691         the name of the symbol.
4692         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4693         Returns true if the given symbol name is on the list of
4694         assignments wating to be processed.
4695         * archive.cc (should_incldue_member): If the symbol is undefined,
4696         check to see if it is on the list of symbols pending assignment.
4697
4698 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4699
4700         * script-sections.cc (Script_sections::find_memory_region): Check
4701         for a NULL output section pointer.
4702
4703 2010-10-29  Doug Kwan  <dougkwan@google.com>
4704
4705         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4706         Output_section::add_relaxed_input_section.
4707         * output.cc (Output_section::add_relaxed_input_section): Add new
4708         arguments LAYOUT and NAME.  Set section order index.
4709         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4710         Copy section order index.
4711         * output.h (Output_section::add_relaxed_input_section): Add new
4712         arguments LAYOUT and NAME.
4713
4714 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4715
4716         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4717         NATIVE_OR_CROSS_LINKER.
4718         * testsuite/Makefile.in: Regenerate.
4719
4720 2010-10-20  Doug Kwan  <dougkwan@google.com>
4721
4722         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4723         without SHF_LINK_ORDER flags.
4724         * layout.cc (Layout::choose_output_section): Do not filter
4725         SHF_LINK_ORDER flag in a relocatable link.
4726
4727 2010-10-17  Cary Coutant  <ccoutant@google.com>
4728
4729         * output.h (Output_segment::set_section_addresses): Change function
4730         signature.  Update all callers.
4731         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4732         sections.
4733         (Output_segment::set_section_addresses): Align after last TLS
4734         section.  Add padding before last relro section instead of after.
4735
4736 2010-10-17  Doug Kwan  <dougkwan@google.com>
4737
4738         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4739         GOT output section to be writable.
4740
4741 2010-10-14  Cary Coutant  <ccoutant@google.com>
4742
4743         * debug.h (DEBUG_INCREMENTAL): New flag.
4744         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4745         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4746         mode.
4747         * incremental.cc (report_command_line): Ignore all forms of
4748         --incremental.
4749         * layout.cc (Layout::Layout): Check parameters for incremental link
4750         mode.
4751         * options.cc (General_options::parse_incremental): New function.
4752         (General_options::parse_no_incremental): New function.
4753         (General_options::parse_incremental_full): New function.
4754         (General_options::parse_incremental_update): New function.
4755         (General_options::incremental_mode_): New data member.
4756         (General_options::finalize): Check incremental_mode_.
4757         * options.h (General_options): Update help text for --incremental.
4758         Add --no-incremental, --incremental-full, --incremental-update.
4759         (General_options::Incremental_mode): New enum type.
4760         (General_options::incremental_mode): New function.
4761         (General_options::incremental_mode_): New data member.
4762         * parameters.cc (Parameters::incremental_mode_): New data member.
4763         (Parameters::set_options): Set incremental_mode_.
4764         (Parameters::set_incremental_full): New function.
4765         (Parameters::incremental): New function.
4766         (Parameters::incremental_update): New function.
4767         (set_parameters_incremental_full): New function.
4768         * parameters.h (Parameters::set_incremental_full): New function.
4769         (Parameters::incremental): New function.
4770         (Parameters::incremental_update): New function.
4771         (Parameters::incremental_mode_): New data member.
4772         (set_parameters_incremental_full): New function.
4773         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4774         incremental link mode.
4775         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4776         (Sized_relobj::do_relocate_sections): Likewise.
4777         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4778         option.
4779         * testsuite/Makefile.in: Regenerate.
4780         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4781
4782 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4783
4784         * script-sections.h (class Script_sections): Make
4785         Sections_elements typedef public.
4786         * script-sections.cc (class Sort_output_sections): Add elements_
4787         field.  Add constructor which sets it; change all callers.
4788         (Sort_output_sections::is_before): New function.
4789         (Sort_output_sections::operator()): Call is_before.
4790         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4791         conditional.
4792         * testsuite/script_test_10.sh: New test. Test script section
4793         order.
4794         * testsuite/script_test_10.t: Likewise.
4795         * testsuite/script_test_10.s: Likewise.
4796         * testsuite/Makefile.am: Wrap the cross linker tests and the
4797         common tests into NATIVE_OR_CROSS_LINKER.
4798         (check_SCRIPTS): Add script_test_10.sh.
4799         (check_DATA): Add script_test_10.stdout.
4800         (script_test_10.o, script_test_10): New targets.
4801         (script_test_10.stdout): New target.
4802         * configure, testsuite/Makefile.in: Regenerate.
4803
4804 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4805
4806         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4807         error for the deprecated relocations.
4808         (Target_arm::Scan::global): Likewise.
4809         (Target_arm::Relocate::relocate): Likewise.
4810
4811 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4812
4813         * fileread.cc (Input_file::find_file): Initialize *found_name
4814         and *namep when using the fallback search for case 4.
4815
4816 2010-10-11  Cary Coutant  <ccoutant@google.com>
4817
4818         * options.h (class General_options): Redefine -z lazy as an alias for
4819         the negation of -z now.
4820
4821 2010-10-11  Ian Lance Taylor  <iant@google.com>
4822
4823         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4824         binding.
4825
4826 2010-10-06  Nick Clifton  <nickc@redhat.com>
4827
4828         * script-sections.cc(class Memory_region): Remove
4829         current_lma_offset_ field.  Rename current_vma_offset_ to
4830         current_offset_.  Add last_section_ field.
4831         (Memory_region::get_current_vma_address): Rename to
4832         get_current_address.
4833         (Memory_region::get_current_lma_address): Delete.
4834         (Memory_region::increment_vma_offset): Rename to
4835         increment_offset.
4836         (Memory_region::increment_lma_offset): Delete.
4837         (Memory_region::attributes_compatible): New method.  Returns
4838         true if the provided section is compatible with the region.
4839         (Memory_region::get_last_section): New method.  Returns the last
4840         section to use the region.
4841         (Memory_region::set_last_section): New method.  Stores the last
4842         section to use the region.
4843         (Script_sections::block_in_region): New method.  Returns true if
4844         a block of memory is contained within a region.
4845         (Script_sections::find_memory_region): New method.  Locates a
4846         memory region to be used to set a VMA or LMA address.
4847         (Output_section_definition::set_section_addresses): Add code to
4848         check for addresses set by memory regions.
4849         (Output_segment::set_section_addresses): Remove memory region
4850         walking code.
4851         (Script_sections::create_segment): Add a warning if a header
4852         segment is created outside of any region.
4853         * script-sections.h (class Script_sections): Add prototypes for
4854         find_memory_region and block_in_region methods.
4855         * testsuite/memory_test.s: Use .long instead of .word.
4856         * testsuite/memory_test.t: Add some more output sections.
4857         * testsuite/memory_test.sh: Update expected output.
4858
4859 2010-10-02  Doug Kwan  <dougkwan@google.com>
4860
4861         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4862         defintion to symtab.h
4863         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4864         declaration to defintion.
4865
4866 2010-10-01  Nick Clifton  <nickc@redhat.com>
4867
4868         * expression.cc (eval): Replace dummy argument with NULL.
4869         (eval_maybe_dot): Check for a NULL result section pointer.
4870         (Symbol_expression::value): Likewise.
4871         (Dot_expression::value): Likewise.
4872         (BINARY_EXPRESSION): Likewise.
4873         (Max_expression::value): Likewise.
4874         (Min_expression::value): Likewise.
4875         (Absolute_expression::value): Likewise.
4876         (Addr_expression::value_from_output_section): Likewise.
4877         (Loaddddr_expression::value_from_output_section): Likewise.
4878         (Segment_start_expression::value): Likewise.
4879         * script-sections.cc
4880         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4881         argument with NULL.
4882         (Sections_elememt_dot_assignment::set_section_addresses):
4883         Likewise.
4884         (Output_data_expression::do_write_to_buffer): Likewise.
4885         (Output_section_definition::finalize_symbols): Likewise.
4886         (Output_section_definition::set_section_addresses): Likewise.
4887
4888 2010-09-30  Doug Kwan  <dougkwan@google.com>
4889
4890         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4891
4892 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4893
4894         * target.h (Target::can_icf_inline_merge_sections): New virtual
4895         function.
4896         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4897         virtual function.
4898         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4899         virtual function.
4900         * icf.cc (get_section_contents): Inline merge sections only when
4901         target allows it.
4902
4903 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4904
4905         * configure: Regenerate.
4906
4907 2010-09-17  Ian Lance Taylor  <iant@google.com>
4908
4909         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4910         * testsuite/Makefile.am (memory_test.o): New target.
4911         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4912         memory_test.t.
4913         * testsuite/Makefile.in: Rebuild.
4914
4915 2010-09-17  Doug Kwan  <dougkwan@google.com>
4916
4917         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4918         defintion if relocation uses GOT entries of the symbol.
4919         * testsuite/icf_safe_test.sh: Fix test.
4920         * testsuite/icf_safe_so_test.sh: Fix test.
4921
4922 2010-09-16  Cary Coutant  <ccoutant@google.com>
4923
4924         * script_sections.cc (class Memory_region): Remove "NULL" from
4925         vector initializations.
4926
4927 2010-09-15  Cary Coutant  <ccoutant@google.com>
4928
4929         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4930         Resolve forwarding symbols.
4931
4932 2010-09-15  Doug Kwan  <dougkwan@google.com>
4933
4934         * gold/testsuite/script_test_3.t: Add ARM special sections.
4935         * gold/testsuite/script_test_4.t: Same.
4936         * gold/testsuite/script_test_5.t: Same.
4937         * gold/testsuite/script_test_6.t: Same.
4938         * gold/testsuite/script_test_7.t: Same.
4939         * gold/testsuite/script_test_7.t: Same.
4940         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4941
4942 2010-09-14  Cary Coutant  <ccoutant@google.com>
4943
4944         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4945         (Target_x86_64::Relocate::relocate_tls): Replace check for
4946         saw_tls_block_reloc_ with test for executable section.
4947
4948 2010-09-12  Cary Coutant  <ccoutant@google.com>
4949
4950         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4951         position-independent executables to shared libraries need dynamic
4952         relocations.
4953         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4954         position-independent executables.
4955         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4956         * testsuite/Makefile.in: Regenerate.
4957
4958 2010-09-10  Nick Clifton  <nickc@redhat.com>
4959
4960         PR gold/11997
4961         * testsuite/memory_test.t: Discard any sections that are not
4962         needed.
4963
4964 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4965
4966         PR gold/11996
4967         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4968         "This::" to work around a bug in gcc 4.2.
4969
4970         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4971
4972 2010-09-09  Rafael Espindola  <espindola@google.com>
4973
4974         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4975         sections with different PF_X flags in the same segment.
4976         (Layout::find_first_load_seg): Search all segments to find the first
4977         one.
4978         * options.h (rosegment): New.
4979
4980 2010-09-08  Rafael Espindola  <espindola@google.com>
4981
4982         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4983
4984 2010-09-08  Doug Kwan  <dougkwan@google.com>
4985
4986         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4987         (Arm_relobj::do_relocate_sections): Add new parameter for output
4988         file to match the parent.
4989         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4990         of local symbols instead of input values.  Update code to track
4991         changes in gold::relocate_section.
4992         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4993         (Sized_relobj::compute_final_local_value_internal): New methods.
4994         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4995         body into private version of Sized_relobj::compute_final_local_value.
4996         Call the inline method.
4997         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4998         merged symbol value if there is one.
4999         (Symbol_value::has_output_value): New method defintiion.
5000         (Sized_relobj::Compute_final_local_value_status): New enum type.
5001         (Sized_relobj::compute_final_local_value): New methods.
5002         (Sized_relobj::compute_final_local_value_internal): New methods.
5003         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5004         and arm_cortex_a8.sh.
5005         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5006         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5007         New tests.
5008         * Makefile.in: Regenerate.
5009         * testsuite/arm_bl_out_of_range.s: Update test.
5010         * testsuite/thumb_bl_out_of_range.s: Ditto.
5011         * testsuite/thumb_blx_out_of_range.s: Ditto.
5012         * testsuite/arm_branch_out_of_range.sh: New file.
5013         * testsuite/arm_cortex_a8.sh: Ditto.
5014         * testsuite/arm_cortex_a8_b.s: Ditto.
5015         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5016         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5017         * testsuite/arm_cortex_a8_bl.s: Ditto.
5018         * testsuite/arm_cortex_a8_blx.s: Ditto.
5019         * testsuite/arm_cortex_a8_local.s: Ditto.
5020         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5021         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5022
5023 2010-09-08  Rafael Espindola  <espindola@google.com>
5024
5025         * Makefile.am (memory_test.stdout): Run readelf with -W.
5026         * Makefile.in: Regenerate.
5027         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5028         64 bit output.
5029
5030 2010-09-08  Rafael Espindola  <espindola@google.com>
5031
5032         * script-sections.cc (Script_sections::add_memory_region): Convert
5033         field precision to int.
5034         * script.cc (script_set_section_region, script_set_section_region):
5035         Convert field precision to int.
5036
5037 2010-09-08  Rafael Espindola  <espindola@google.com>
5038
5039         * arm.cc (do_finalize_sections): Create the __exidx_start and
5040         __exdix_end symbols even when the section is missing.
5041
5042 2010-09-08  Nick Clifton  <nickc@redhat.com>
5043
5044         * README: Remove claim that MEMORY is not supported.
5045         * expression.cc (script_exp_function_origin)
5046         (script_exp_function_length): Move from here to ...
5047         * script.cc: ... here.
5048         (script_set_section_region, script_add_memory)
5049         (script_parse_memory_attr, script_include_directive): New
5050         functions.
5051         * script-sections.cc
5052         (class Memory_region): New class.
5053         (class Output_section_definition): Add set_memory_region,
5054         set_section_vma, set_section_lma and get_section_name methods.
5055         (class Script_Sections): Add add_memory_region,
5056         find_memory_region, find_memory_region_origin,
5057         find_memory_region_length and set_memory_region methods.
5058         Have set_section_addresses method walk the list of set memory
5059         regions.
5060         Extend the print methos to display memory regions.
5061         * script-sections.h: Add prototypes for new methods.
5062         Add enum for MEMORY region attributes.
5063         * yyscript.y: Add support for parsing MEMORY regions.
5064         * script-c.h: Add prototypes for new functions.
5065         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5066         * testsuite/Makefile.in: Regenerate.
5067         * testsuite/memory_test.sh: New script.
5068         * testsuite/memory_test.s: New assembler source file.
5069         * testsuite/memory_test.t: New linker script.
5070
5071 2010-08-27  Doug Kwan  <dougkwan@google.com>
5072
5073         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5074         reference override an existing dynamic weak reference.
5075         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5076         * testsuite/Makefile.in: Regenerate.
5077         * testsuite/dyn_weak_ref.sh: New file.
5078         * testsuite/dyn_weak_ref_1.c: Ditto.
5079         * testsuite/dyn_weak_ref_2.c: Ditto.
5080
5081 2010-08-27  Ian Lance Taylor  <iant@google.com>
5082
5083         * incremental.h (class Incremental_input_entry): Add virtual
5084         destructor.
5085
5086 2010-08-27  Ian Lance Taylor  <iant@google.com>
5087
5088         * testsuite/start_lib_test_3.c: Mark t3 as used.
5089
5090 2010-08-27  Nick Clifton  <nickc@redhat.com>
5091
5092         * options.cc (version_script): Fix small typo in previous
5093         whitespace tidyup.
5094
5095 2010-08-25  Nick Clifton  <nickc@redhat.com>
5096
5097         * archive.cc: Formatting fixes: Remove whitespace between
5098         typename and following asterisk.  Remove whitespace between
5099         function name and opening parenthesis.
5100         * archive.h: Likewise.
5101         * arm.cc: Likewise.
5102         * attributes.cc: Likewise.
5103         * attributes.h: Likewise.
5104         * common.cc: Likewise.
5105         * copy-relocs.cc: Likewise.
5106         * dirsearch.h: Likewise.
5107         * dynobj.cc: Likewise.
5108         * ehframe.cc: Likewise.
5109         * ehframe.h: Likewise.
5110         * expression.cc: Likewise.
5111         * fileread.cc: Likewise.
5112         * fileread.h: Likewise.
5113         * gc.h: Likewise.
5114         * gold-threads.cc: Likewise.
5115         * gold.cc: Likewise.
5116         * i386.cc: Likewise.
5117         * icf.h: Likewise.
5118         * incremental-dump.cc: Likewise.
5119         * incremental.cc: Likewise.
5120         * layout.cc: Likewise.
5121         * layout.h: Likewise.
5122         * main.cc: Likewise.
5123         * merge.cc: Likewise.
5124         * merge.h: Likewise.
5125         * object.cc: Likewise.
5126         * object.h: Likewise.
5127         * options.cc: Likewise.
5128         * options.h: Likewise.
5129         * output.cc: Likewise.
5130         * output.h: Likewise.
5131         * plugin.cc: Likewise.
5132         * plugin.h: Likewise.
5133         * powerpc.cc: Likewise.
5134         * reloc.cc: Likewise.
5135         * script-c.h: Likewise.
5136         * script-sections.cc: Likewise.
5137         * script.cc: Likewise.
5138         * stringpool.cc: Likewise.
5139         * symtab.cc: Likewise.
5140         * symtab.h: Likewise.
5141         * target.cc: Likewise.
5142         * timer.cc: Likewise.
5143         * timer.h: Likewise.
5144         * version.cc: Likewise.
5145         * x86_64.cc: Likewise.
5146
5147 2010-08-24  Nick Clifton  <nickc@redhat.com>
5148
5149         PR 11899
5150         * layout.cc (segment_precedes): Sort segments by their physical
5151         addresses, if they have been set.
5152
5153 2010-08-23  Cary Coutant  <ccoutant@google.com>
5154
5155         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5156         symbols data.
5157         (Lib_group::include_member): Unlock object after deleting its
5158         symbols data.
5159         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5160         the bug fixed here.
5161
5162 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5163             Cary Coutant  <ccoutant@google.com>
5164
5165         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5166         constructor, and set_blocker.
5167         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5168         readsyms_blocker_.
5169         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5170         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5171         * testsuite/Makefile.am (start_lib_test): New test case.
5172         * testsuite/Makefile.in: Regenerate.
5173         * testsuite/start_lib_test_main.c: New file.
5174         * testsuite/start_lib_test_1.c: New file.
5175         * testsuite/start_lib_test_2.c: New file.
5176         * testsuite/start_lib_test_3.c: New file.
5177
5178 2010-08-19  Ian Lance Taylor  <iant@google.com>
5179
5180         * Makefile.in: Rebuild with automake 1.11.1.
5181         * aclocal.m4: Likewise.
5182         * testsuite/Makefile.in: Likewise.
5183
5184 2010-08-19  Ian Lance Taylor  <iant@google.com>
5185
5186         PR 10893
5187         * i386.cc (class Output_data_plt_i386): Update declarations.
5188         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5189         local_ifuncs_ fields.
5190         (Target_i386::do_plt_section_for_global): New function.
5191         (Target_i386::do_plt_section_for_local): New function.
5192         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5193         parameter; change all callers.  Initialize global_ifuncs_ and
5194         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5195         __rel_iplt_end.
5196         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5197         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5198         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5199         symbols.
5200         (Target_i386::make_plt_section): New function, broken out of
5201         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5202         (Target_i386::make_plt_entry): Call make_plt_section.
5203         (Target_i386::make_local_ifunc_plt_entry): New function.
5204         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5205         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5206         R_386_IRELATIVE to switch.
5207         (Target_i386::Scan::global): Likewise.
5208         (Target_i386::Relocate::relocate): Likewise.
5209         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5210         switch.
5211         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5212         (Target_x86_64::do_plt_section_for_global): New function.
5213         (Target_x86_64::do_plt_section_for_local): New function.
5214         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5215         parameter; change all callers.  If doing a static link define
5216         __rela_iplt_start and __rela_iplt_end.
5217         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5218         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5219         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5220         to point to .plt.
5221         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5222         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5223         switch.
5224         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5225         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5226         R_X86_64_IRELATIVE to switch.
5227         (Target_x86_64::Scan::global): Likewise.
5228         (Target_x86_64::Relocate::relocate): Likewise.
5229         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5230         switch.
5231         * target.h (class Target): Add plt_section_for_global and
5232         plt_section_for_local functions.  Add do_plt_section_for_global
5233         and do_plt_section_for_local virtual functions.
5234         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5235         clarifying comments.
5236         (Symbol::use_plt_offset): Handle IFUNC symbol.
5237         * object.cc (Sized_relobj::Sized_relobj): Initialize
5238         local_plt_offsets_.
5239         (Sized_relobj::local_has_plt_offset): New function.
5240         (Sized_relobj::local_plt_offset): New function.
5241         (Sized_relobj::set_local_plt_offset): New function.
5242         (Sized_relobj::do_count): Handle IFUNC symbol.
5243         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5244         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5245         is_ifunc_symbol functions.
5246         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5247         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5248         local_plt_offsets_ field.
5249         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5250         * output.h (class Output_section_data): Add non-const
5251         output_section function.
5252         (class Output_data_got): Update declarations.
5253         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5254         Add use_plt_offset parameter to global and local constructors.
5255         Change all callers.  Change local_sym_index_ field to 31 bits.
5256         Change GSYM_CODE and CONSTANT_CODE accordingly.
5257         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5258         doing a static link don't set sh_link field.
5259         (Output_data_got::Got_entry::write): Use PLT offset if
5260         appropriate.
5261         (Output_data_got::add_global_plt): New function.
5262         (Output_data_got::add_local_plt): New function.
5263         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5264         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5265         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5266         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5267         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5268         IFUNC conditional.
5269         * testsuite/ifunc-sel.h: New file.
5270         * testsuite/ifuncmain1.c: New file.
5271         * testsuite/ifuncmain1vis.c: New file.
5272         * testsuite/ifuncmod1.c: New file.
5273         * testsuite/ifuncdep2.c: New file.
5274         * testsuite/ifuncmain2.c: New file.
5275         * testsuite/ifuncmain3.c: New file.
5276         * testsuite/ifuncmod3.c: New file.
5277         * testsuite/ifuncmain4.c: New file.
5278         * testsuite/ifuncmain5.c: New file.
5279         * testsuite/ifuncmod5.c: New file.
5280         * testsuite/ifuncmain6pie.c: New file.
5281         * testsuite/ifuncmod6.c: New file.
5282         * testsuite/ifuncmain7.c: New file.
5283         * configure, testsuite/Makefile.in: Rebuild.
5284
5285 2010-08-18  Ian Lance Taylor  <iant@google.com>
5286
5287         * incremental.cc
5288         (Output_section_incremental_inputs::write_input_files): Add cast
5289         to avoid signed/unsigned comparison warning.
5290         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5291
5292 2010-08-12  Cary Coutant  <ccoutant@google.com>
5293
5294         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5295
5296 2010-08-13  Ian Lance Taylor  <iant@google.com>
5297
5298         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5299
5300 2010-08-12  Cary Coutant  <ccoutant@google.com>
5301             Doug Kwan  <dougkwan@google.com>
5302
5303         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5304         defintion overrides non-weak undef, remember that the original undef
5305         is not weak.
5306         * symtab.cc (Symbol_table::sized_write_global): For undef without
5307         an original weak binding, set binding to global in output.
5308         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5309         * testsuite/Makefile.in: Regenerate.
5310         * testsuite/strong_ref_weak_def.sh: New file.
5311         * testsuite/strong_ref_weak_def_1.c: Ditto.
5312         * testsuite/strong_ref_weak_def_2.c: Ditto.
5313
5314 2010-08-12  Cary Coutant  <ccoutant@google.com>
5315
5316         * testsuite/incremental_test.sh: Rewrite.
5317         * testsuite/incremental_test_1.c: Rewrite.
5318         * testsuite/incremental_test_2.c: Rewrite.
5319
5320 2010-08-12  Cary Coutant  <ccoutant@google.com>
5321
5322         * arm.cc (Target_arm::got_size): Add const.
5323         (Target_arm::got_entry_count): New function.
5324         (Target_arm::plt_entry_count): New function.
5325         (Target_arm::first_plt_entry_offset): New function.
5326         (Target_arm::plt_entry_size): New function.
5327         (Output_data_plt_arm::entry_count): New function.
5328         (Output_data_plt_arm::first_plt_entry_offset): New function.
5329         (Output_data_plt_arm::get_plt_entry_size): New function.
5330         * i386.cc (Target_i386::got_size): Add const.
5331         (Target_i386::got_entry_count): New function.
5332         (Target_i386::plt_entry_count): New function.
5333         (Target_i386::first_plt_entry_offset): New function.
5334         (Target_i386::plt_entry_size): New function.
5335         (Output_data_plt_i386::entry_count): New function.
5336         (Output_data_plt_i386::first_plt_entry_offset): New function.
5337         (Output_data_plt_i386::get_plt_entry_size): New function.
5338         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5339         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5340         * incremental.cc: Include target.h.
5341         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5342         parameter.  Adjust all callers.  Find incremental_got_plt section.
5343         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5344         section.
5345         (Output_section_incremental_inputs::set_final_data_size): Calculate
5346         size of incremental_got_plt section.
5347         (Output_section_incremental_inputs::do_write): Write the
5348         incremental_got_plt section.
5349         (Got_plt_view_info): New struct.
5350         (Local_got_offset_visitor): New class.
5351         (Global_got_offset_visitor): New class.
5352         (Global_symbol_visitor_got_plt): New class.
5353         (Output_section_incremental_inputs::write_got_plt): New function.
5354         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5355         Add parameter.  Adjust all callers.
5356         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5357         (Incremental_inputs::got_plt_section): New function.
5358         (Incremental_inputs::got_plt_section_): New data member.
5359         (Incremental_got_plt_reader): New class.
5360         * layout.cc (Layout::create_incremental_info_sections): Add the
5361         incremental_got_plt section.
5362         * object.h (Got_offset_list::get_list): New function.
5363         (Got offset_list::for_all_got_offsets): New function.
5364         (Sized_relobj::local_got_offset_list): New function.
5365         * powerpc.cc (Target_powerpc::got_size): Add const.
5366         (Target_powerpc::got_entry_count): New function.
5367         (Target_powerpc::plt_entry_count): New function.
5368         (Target_powerpc::first_plt_entry_offset): New function.
5369         (Target_powerpc::plt_entry_size): New function.
5370         (Output_data_plt_powerpc::entry_count): New function.
5371         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5372         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5373         * sparc.cc (Target_sparc::got_size): Add const.
5374         (Target_sparc::got_entry_count): New function.
5375         (Target_sparc::plt_entry_count): New function.
5376         (Target_sparc::first_plt_entry_offset): New function.
5377         (Target_sparc::plt_entry_size): New function.
5378         (Output_data_plt_sparc::entry_count): New function.
5379         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5380         (Output_data_plt_sparc::get_plt_entry_size): New function.
5381         * symtab.h (Symbol::got_offset_list): New function.
5382         (Symbol_table::for_all_symbols): New function.
5383         * target.h (Sized_target::got_entry_count): New function.
5384         (Sized_target::plt_entry_count): New function.
5385         (Sized_target::plt_entry_size): New function.
5386         * x86_64.cc (Target_x86_64::got_size): Add const.
5387         (Target_x86_64::got_entry_count): New function.
5388         (Target_x86_64::plt_entry_count): New function.
5389         (Target_x86_64::first_plt_entry_offset): New function.
5390         (Target_x86_64::plt_entry_size): New function.
5391         (Output_data_plt_x86_64::entry_count): New function.
5392         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5393         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5394
5395 2010-08-12  Cary Coutant  <ccoutant@google.com>
5396
5397         * archive.cc: Include incremental.h.
5398         (Archive::Archive): Initialize incremental_info_.
5399         (Archive::include_member): Record archive members in incremental info.
5400         (Add_archive_symbols::run): Record begin and end of an archive in
5401         incremental info.
5402         (Lib_group::include_member): Record objects in incremental info.
5403         * archive.h (Incremental_archive_entry): Forward declaration.
5404         (Archive::set_incremental_info): New member function.
5405         (Archive::incremental_info): New member function.
5406         (Archive::Unused_symbol_iterator): New class.
5407         (Archive::unused_symbols_begin): New member function.
5408         (Archive::unused_symbols_end): New member function.
5409         (Archive::incremental_info_): New data member.
5410         * incremental-dump.cc (find_input_containing_global): New function.
5411         (dump_incremental_inputs): Dump new incremental info sections.
5412         * incremental.cc: Include symtab.h.
5413         (Output_section_incremental_inputs): New class.
5414         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5415         new incremental info sections.
5416         (Sized_incremental_binary::do_check_inputs): Likewise.
5417         (Incremental_inputs::report_archive): Remove.
5418         (Incremental_inputs::report_archive_begin): New function.
5419         (Incremental_inputs::report_archive_end): New function.
5420         (Incremental_inputs::report_object): New function.
5421         (Incremental_inputs::finalize_inputs): Remove.
5422         (Incremental_inputs::report_input_section): New function.
5423         (Incremental_inputs::report_script): Rewrite.
5424         (Incremental_inputs::finalize): Do nothing but finalize string table.
5425         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5426         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5427         (Incremental_inputs::create_data_sections): New function.
5428         (Incremental_inputs::relocs_entsize): New function.
5429         (Output_section_incremental_inputs::set_final_data_size): New function.
5430         (Output_section_incremental_inputs::do_write): New function.
5431         (Output_section_incremental_inputs::write_header): New function.
5432         (Output_section_incremental_inputs::write_input_files): New function.
5433         (Output_section_incremental_inputs::write_info_blocks): New function.
5434         (Output_section_incremental_inputs::write_symtab): New function.
5435         * incremental.h (Incremental_script_entry): Forward declaration.
5436         (Incremental_object_entry): Forward declaration.
5437         (Incremental_archive_entry): Forward declaration.
5438         (Incremental_inputs): Forward declaration.
5439         (Incremental_inputs_header_data): Remove.
5440         (Incremental_inputs_header): Remove.
5441         (Incremental_inputs_header_write): Remove.
5442         (Incremental_inputs_entry_data): Remove.
5443         (Incremental_inputs_entry): Remove.
5444         (Incremental_inputs_entry_write): Remove.
5445         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5446         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5447         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5448         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5449         Likewise.
5450         (Incremental_input_entry): New class.
5451         (Incremental_script_entry): New class.
5452         (Incremental_object_entry): New class.
5453         (Incremental_archive_entry): New class.
5454         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5455         (Incremental_inputs::report_inputs): Remove.
5456         (Incremental_inputs::report_archive): Remove.
5457         (Incremental_inputs::report_archive_begin): New function.
5458         (Incremental_inputs::report_archive_end): New function.
5459         (Incremental_inputs::report_object): Change prototype.
5460         (Incremental_inputs::report_input_section): New function.
5461         (Incremental_inputs::report_script): Change prototype.
5462         (Incremental_inputs::get_reloc_count): New function.
5463         (Incremental_inputs::set_reloc_count): New function.
5464         (Incremental_inputs::create_data_sections): New function.
5465         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5466         (Incremental_inputs::inputs_section): New function.
5467         (Incremental_inputs::symtab_section): New function.
5468         (Incremental_inputs::relocs_section): New function.
5469         (Incremental_inputs::get_stringpool): Add const.
5470         (Incremental_inputs::command_line): Add const.
5471         (Incremental_inputs::inputs): Remove.
5472         (Incremental_inputs::command_line_key): New function.
5473         (Incremental_inputs::input_file_count): New function.
5474         (Incremental_inputs::input_files): New function.
5475         (Incremental_inputs::relocs_entsize): New function.
5476         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5477         (Incremental_inputs::finalize_inputs): Remove.
5478         (Incremental_inputs::Input_info): Remove.
5479         (Incremental_inputs::lock_): Remove.
5480         (Incremental_inputs::inputs_): Change type.
5481         (Incremental_inputs::inputs_map_): Remove.
5482         (Incremental_inputs::current_object_entry_): New data member.
5483         (Incremental_inputs::inputs_section_): New data member.
5484         (Incremental_inputs::symtab_section_): New data member.
5485         (Incremental_inputs::relocs_section_): New data member.
5486         (Incremental_inputs::reloc_count_): New data member.
5487         (Incremental_inputs_reader): New class.
5488         (Incremental_symtab_reader): New class.
5489         (Incremental_relocs_reader): New class.
5490         * layout.cc (Layout::finalize): Move finalization of incremental info
5491         and creation of incremental info sections to follow finalization of
5492         symbol table.  Set offsets for postprocessing sections.
5493         (Layout::create_incremental_info_sections): Call
5494         Incremental_inputs::create_data_sections.  Add incremental symtab
5495         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5496         sections to layout after input sections.
5497         * layout.h (struct Timespec): Forward declaration.
5498         (Layout::incremental_inputs): Add const.
5499         (Layout::create_incremental_info_sections): Add parameter.
5500         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5501         * object.cc: Include incremental.h.
5502         (Relobj::finalize_incremental_relocs): New function.
5503         (Sized_relobj::do_layout): Record input sections in incremental info.
5504         * object.h (Object::output_section): New function.
5505         (Object::output_section_offset): Moved from Relobj.
5506         (Object::get_incremental_reloc_base): New function.
5507         (Object::get_incremental_reloc_count): New function.
5508         (Object::do_output_section): New function.
5509         (Object::do_output_section_offset): Moved from Relobj.
5510         (Object::do_get_incremental_reloc_base): New function.
5511         (Object::do_get_incremental_reloc_count): New function.
5512         (Object::Object): Initialize new data members.
5513         (Relobj::output_section): Renamed do_output_section and moved to
5514         protected.
5515         (Relobj::output_section_offset): Moved to Object.
5516         (Relobj::do_get_incremental_reloc_base): New function.
5517         (Relobj::do_get_incremental_reloc_count): New function.
5518         (Relobj::allocate_incremental_reloc_counts): New function.
5519         (Relobj::count_incremental_reloc): New function.
5520         (Relobj::finalize_incremental_relocs): New function.
5521         (Relobj::next_incremental_reloc_index): New function.
5522         (Relobj::reloc_counts_): New data member.
5523         (Relobj::reloc_bases_): New data member.
5524         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5525         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5526         (Sized_relobj::incremental_relocs_scan): New function.
5527         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5528         (Sized_relobj::incremental_relocs_write): New function.
5529         (Sized_relobj::incremental_relocs_write_reltype): New function.
5530         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5531         incremental link.
5532         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5533         archives and object files elsewhere.
5534         (Add_symbols::run): Report object files here.
5535         (Finish_group::run): Report end of archive at end of group.
5536         * reloc.cc: Include layout.h, incremental.h.
5537         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5538         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5539         (Sized_relobj::incremental_relocs_scan): New function.
5540         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5541         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5542         (Sized_relobj::incremental_relocs_write): New function.
5543         (Sized_relobj::incremental_relocs_write_reltype): New function.
5544         * script.cc (read_input_script): Rewrite test for incremental link.
5545         Change call to Incremental_inputs::report_script.
5546         * symtab.h (Symbol_table::first_global_index): New function.
5547         (Symbol_table::output_count): New function.
5548
5549 2010-08-12  Doug Kwan  <dougkwan@google.com>
5550
5551         * arm.cc (Target_arm::merge_object_attributes): Check command line
5552         options --no-wchar-size-warning and --no-enum-size-warning.
5553         * options.h (General_options): Add ld-compatible options
5554         --no-enum-size-warning and --no-wchar-size-warning.
5555
5556 2010-08-04  Ian Lance Taylor  <iant@google.com>
5557
5558         * x86_64.cc (Target_x86_64::Scan::local): Use
5559         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5560         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5561         (Target_x86_64::Scan::global): Likewise.
5562         (Target_x86_64::Relocate::relocate): Likewise.
5563         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5564         Likewise.
5565
5566 2010-08-03  Cary Coutant  <ccoutant@google.com>
5567
5568         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5569         to reserve space in merged_strings vector. Keep total input size
5570         for stats.
5571         (Output_merge_string::do_print_merge_stats): Print total input size.
5572         * merge.h (Output_merge_string): Add input_size_ field.
5573         * stringpool.cc (Stringpool_template::string_length): Move
5574         implementations out of Stringpool_template class and place in
5575         stringpool.h.
5576         * stringpool.h (string_length): Move out of Stringpool_template.
5577
5578 2010-08-03  Ian Lance Taylor  <iant@google.com>
5579
5580         PR 11712
5581         * layout.cc (relaxation_loop_body): If address of load segment is
5582         set, adjust address to include headers if possible.
5583
5584 2010-08-03  Ian Lance Taylor  <iant@google.com>
5585
5586         * version.cc (version_string): Bump to 1.10.
5587
5588 2010-08-03  Ian Lance Taylor  <iant@google.com>
5589
5590         PR 11805
5591         * layout.h (enum Output_section_order): Define.
5592         (class Layout): Update declarations.
5593         * layout.cc (Layout::get_output_section): Add order parameter.
5594         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5595         is_first_non_relro parameters.  Change all callers.
5596         (Layout::choose_output_section): Likewise.
5597         (Layout::add_output_section_data): Likewise.
5598         (Layout::make_output_section): Likewise.  Set order.
5599         (Layout::default_section_order): New function.
5600         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5601         * output.cc (Output_section::Output_section): Initialize order_.
5602         Don't initialize deleted fields.
5603         (Output_segment::Output_segment): Don't initialize deleted
5604         fields.
5605         (Output_segment::add_output_section_to_load): New function
5606         replacing add_output_section.  Change all callers to call this or
5607         add_output_section_to_nonload.
5608         (Output_segment::add_output_section_to_nonload): New function.
5609         (Output_segment::remove_output_section): Rewrite.
5610         (Output_segment::add_initial_output_data): Likewise.
5611         (Output_segment::has_any_data_sections): Likewise.
5612         (Output_segment::is_first_section_relro): Likewise.
5613         (Output_segment::maximum_alignment): Likewise.
5614         (Output_segment::has_dynamic_reloc): New function replacing
5615         dynamic_reloc_count.  Change all callers.
5616         (Output_segment::has_dynamic_reloc_list): New function replacing
5617         dynamic_reloc_count_list.  Change all callers.
5618         (Output_segment::set_section_addresses): Rewrite.
5619         (Output_segment::set_offset): Rewrite.
5620         (Output_segment::find_first_and_last_list): Remove.
5621         (Output_segment::set_tls_offsets): Rewrite.
5622         (Output_segment::first_section_load_address): Likewise.
5623         (Output_segment::output_section_count): Likewise.
5624         (Output_segment::section_with_lowest_load_address): Likewise.
5625         (Output_segment::write_section_headers): Likewise.
5626         (Output_segment::print_sections_to_map): Likewise.
5627         * output.h (class Output_data): Remove dynamic_reloc_count_
5628         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5629         (Output_data::add_dynamic_reloc): Rewrite.
5630         (Output_data::has_dynamic_reloc): New function.
5631         (Output_data::dynamic_reloc_count): Remove.
5632         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5633         is_last_relro_, is_first_non_relro_, is_interp_,
5634         is_dynamic_linker_section_ fields.  Add order and set_order
5635         functions.  Remove is_relro_local, set_is_relro_local,
5636         is_last_relro, set_is_last_relro, is_first_non_relro,
5637         set_is_first_non_relro functions, is_interp, set_is_interp,
5638         is_dynamic_linker_section, and set_is_dynamic_linker_section
5639         functions.
5640         (class Output_segment): Change Output_data_list from std::list to
5641         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5642         output_bss_ fields.  Update declarations.
5643
5644 2010-08-02  Ian Lance Taylor  <iant@google.com>
5645
5646         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5647         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5648         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5649
5650 2010-08-02  Ian Lance Taylor  <iant@google.com>
5651
5652         PR 11855
5653         * script.cc (Script_options::Script_options): Initialize
5654         symbol_definitions_ and symbol_references_.
5655         (Script_options::add_symbol_assignment): Update
5656         symbol_definitions_ and symbol_references_.
5657         (Script_options::add_symbol_reference): New function.
5658         (script_symbol): New function.
5659         * script.h (class Script_options): Add symbol_definitions_ and
5660         symbol_references_ fields.
5661         (Script_options::referenced_const_iterator): New type.
5662         (Script_options::referenced_begin): New function.
5663         (Script_options::referenced_end): New function.
5664         (Script_options::is_referenced): New function.
5665         (Script_options::any_unreferenced): New function.
5666         * script-c.h (script_symbol): Declare.
5667         * yyscript.y (exp): Call script_symbol.
5668         * symtab.cc: Include "script.h".
5669         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5670         Change all callers.  Check symbols referenced by scripts.
5671         (Symbol_table::add_undefined_symbols_from_command_line): Add
5672         layout parameter.  Change all callers.
5673         (Symbol_table::do_add_undefined_symbols_from_command_line):
5674         Likewise.  Break out loop body.  Check symbols referenced by
5675         scripts.
5676         (Symbol_table::add_undefined_symbol_from_command_line): New
5677         function broken out of
5678         do_add_undefined_symbols_from_command_line.
5679         * symtab.h (class Symbol_table): Update declarations.
5680         * archive.cc: Include "layout.h".
5681         (Archive::should_include_member): Add layout parameter.  Change
5682         all callers.  Check for symbol mentioned in expression.
5683         * archive.h (class Archive): Update declaration.
5684         * object.cc (Sized_relobj::do_should_include_member): Add layout
5685         parameter.
5686         * object.h (Object::should_include_member): Add layout parameter.
5687         Change all callers.
5688         (Object::do_should_include_member): Add layout parameter.
5689         (class Sized_relobj): Update declaration.
5690         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5691         parameter.
5692         * dynobj.h (class Sized_dynobj): Update declaration.
5693         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5694         layout parameter.
5695         * plugin.h (class Sized_pluginobj): Update declaration.
5696
5697 2010-08-02  Ian Lance Taylor  <iant@google.com>
5698
5699         PR 11866
5700         * output.cc (Output_segment::set_offset): Search for the first and
5701         last sections rather than assuming that the list is in order.
5702         (Output_segment::find_first_and_last_list): New function.
5703         * output.h (class Output_segment): Update declarations.
5704         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5705         (relro_strip_test_SOURCES): New variable.
5706         (relro_strip_test_DEPENDENCIES): New variable.
5707         (relro_strip_test_LDFLAGS): New variable.
5708         (relro_strip_test_LDADD): New variable.
5709         (relro_strip_test.so): New target.
5710
5711 2010-08-02  Ian Lance Taylor  <iant@google.com>
5712
5713         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5714         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5715         (Target_i386::got_tlsdesc_section): New function.
5716         (Target_i386::got_section): Create space for GOT entries for
5717         TLSDESC relocations.
5718         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5719         R_386_TLS_GOTDESC.
5720         (Target_i386::Scan::global): Likewise.
5721         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5722         using TLSDESC GOT.
5723         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5724         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5725         (Target_x86_64::got_tlsdesc_section): New function.
5726         (Target_x86_64::got_section): Create space for GOT entries for
5727         TLSDESC relocations.
5728         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5729         R_386_TLS_GOTDESC.
5730         (Target_x86_64::Scan::global): Likewise.
5731         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5732         using TLSDESC GOT.
5733
5734 2010-08-02  Ian Lance Taylor  <iant@google.com>
5735
5736         * testsuite/final_layout.sh: Use dc to convert from hex to
5737         decimal.
5738
5739 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5740
5741         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5742         paramter to the call to gold::gc_process_relocs.
5743         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5744         paramter to the call to gold::gc_process_relocs.
5745         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5746         parameter to the call to gold::gc_process_relocs.
5747         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5748         template parameter to the call to gold::gc_process_relocs.
5749         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5750         paramter to the call to gold::gc_process_relocs.
5751         * gc.h (get_embedded_addend_size): New function.
5752         (gc_process_relocs): Save the size of the reloc for use by ICF.
5753         * icf.cc (get_section_contents): Get the addend from the text section
5754         for SHT_REL relocation sections.
5755         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5756         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5757         * int_encoding.h (read_from_pointer): New overloaded function.
5758         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5759         * testsuite/icf_sht_rel_addend_test.sh: New file.
5760         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5761         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5762
5763 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5764
5765         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5766         * Makefile.in: Regenerate.
5767         * testsuite/Makefile.in: Regenerate.
5768
5769 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5770
5771         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5772         * gold/testsuite/debug_msg.cc: Likewise.
5773         * gold/testsuite/odr_violation1.cc
5774         * gold/testsuite/odr_violation2.cc
5775
5776 2010-07-21  Cary Coutant  <ccoutant@google.com>
5777
5778         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5779         string, and length fields.
5780         (Output_merge_string::Merged_strings_list): New type.
5781         (Output_merge_string::Merged_strings_lists): New typedef.
5782         (Output_merge_string): Replace merged_strings_ with
5783         merged_strings_lists_.
5784         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5785         Merged_strings_list per input object and section.  Don't store pointer
5786         to the string.  Don't store length with each merged string entry.
5787         (Output_merge_string::finalize_merged_data): Loop over list of merged
5788         strings lists.  Recompute length of each merged string.
5789
5790 2010-07-15  Cary Coutant  <ccoutant@google.com>
5791
5792         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5793         here.
5794
5795 2010-07-14  Ian Lance Taylor  <iant@google.com>
5796
5797         * descriptors.cc (Descriptors::open): Report correct name in error
5798         message.
5799
5800 2010-07-13  Doug Kwan  <dougkwan@google.com>
5801
5802         * arm.cc (Arm_input_section::Arm_input_section): For a
5803         SHT_ARM_EXIDX section, always keeps the input sections.
5804         (Arm_input_section::set_exidx_section_link): New method.
5805         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5806         has_errors_ to false.
5807         (Arm_exidx_input_section::has_errors,
5808         Arm_exidx_input_section::set_has_errors): New methods.
5809         (Arm_exidx_input_section::has_errors_): New data member.
5810         (Arm_relobj::get_exidx_shndx_list): New method.
5811         (Arm_output_section::append_text_sections_to_list): Do not skip
5812         section without SHF_EXECINSTR.
5813         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5814         errors.
5815         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5816         section header.  Make error messages more verbose.  Check for
5817         a non-executable section linked to an EXIDX section.
5818         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5819         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5820         check that there is no deferred EXIDX section if we exit early.
5821         Instead of not making an EXIDX section in case of an error, make one
5822         and set the has_errors flag of it.
5823         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5824         in a relocatable link.
5825         (Target_arm::do_relax): Look for the EXIDX output section instead of
5826         assuming that it is called .ARM.exidx.
5827         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5828         section list.  Do not check for SHF_EXECINSTR section flags but
5829         skip any input section with errors.
5830         * output.cc (Output_section::Output_section): Initialize
5831         always_keeps_input_sections_ to false.
5832         (Output_section::add_input_section): Check for
5833         always_keeps_input_sections_.
5834         *  output.h (Output_section::always_keeps_input_sections,
5835         Output_section::set_always_keeps_input_sections): New methods.
5836         (Output_section::always_keeps_input_sections): New data member.
5837
5838 2010-07-13  Rafael Espindola  <espindola@google.com>
5839
5840         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5841         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5842
5843 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5844             Ian Lance Taylor  <iant@google.com>
5845
5846         * output.h (Output_section_lookup_maps::add_merge_section):
5847         Correct check of whether value was inserted.
5848         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5849         (Output_section_lookup_maps::add_relaxed_input_section):
5850         Likewise.
5851         * arm.cc (Target_arm::got_section): Remove used local os.
5852         * i386.cc (Target_i386::got_section): Likewise.
5853         * x86_64.cc (Target_x86_64::got_section): Likewise.
5854         * sparc.cc (Target_sparc::got_section): Likewise.
5855         (Target_sparc::relocate): Remove unused local have_got_offset.
5856         * powerpc.cc (Target_powerpc::relocate): Likewise.
5857
5858 2010-07-13  Ian Lance Taylor  <iant@google.com>
5859
5860         * compressed_output.cc (zlib_decompress): Fix signature in
5861         !HAVE_ZLIB_H case.
5862
5863         * archive.cc (Archive::include_member): Unlock an external member
5864         of a thin archive.  Don't bother to delete an object we know is
5865         NULL.
5866
5867 2010-07-12  Cary Coutant  <ccoutant@google.com>
5868
5869         * compressed_output.cc (zlib_decompress): New function.
5870         (get_uncompressed_size): New function.
5871         (decompress_input_section): New function.
5872         * compressed_output.h (get_uncompressed_size): New function.
5873         (decompress_input_section): New function.
5874         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5875         Handle compressed debug sections.
5876         * layout.cc (is_compressed_debug_section): New function.
5877         (Layout::output_section_name): Map compressed section names to
5878         canonical names.
5879         * layout.h (is_compressed_debug_section): New function.
5880         (is_debug_info_section): Recognize compressed debug sections.
5881         * merge.cc: Include compressed_output.h.
5882         (Output_merge_data::do_add_input_section): Handle compressed
5883         debug sections.
5884         (Output_merge_string::do_add_input_section): Handle compressed
5885         debug sections.
5886         * object.cc: Include compressed_output.h.
5887         (Sized_relobj::Sized_relobj): Initialize new data members.
5888         (build_compressed_section_map): New function.
5889         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5890         * object.h (Object::section_is_compressed): New method.
5891         (Object::do_section_is_compressed): New method.
5892         (Sized_relobj::Compressed_section_map): New type.
5893         (Sized_relobj::do_section_is_compressed): New method.
5894         (Sized_relobj::compressed_sections_): New data member.
5895         * output.cc (Output_section::add_input_section): Handle compressed
5896         debug sections.
5897         * reloc.cc: Include compressed_output.h.
5898         (Sized_relobj::write_sections): Handle compressed debug sections.
5899
5900 2010-07-08  Cary Coutant  <ccoutant@google.com>
5901
5902         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5903         weak when resolving to a dynamic def.
5904         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5905         for weak undef/dynamic def cases. Adjust callers.
5906         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5907         undef_binding_weak_.
5908         (Symbol_table::sized_write_globals): Adjust symbol binding.
5909         (Symbol_table::sized_write_symbol): Add binding parameter.
5910         * symtab.h (Symbol::set_undef_binding): New method.
5911         (Symbol::is_undef_binding_weak): New method.
5912         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5913         (Symbol_table::should_override): Add new parameter.
5914         (Symbol_table::sized_write_symbol): Add new parameter.
5915
5916         * testsuite/weak_undef_file1.cc: Add new test case.
5917         * testsuite/weak_undef_file2.cc: Fix header comment.
5918         * testsuite/weak_undef_test.cc: Add new test case.
5919
5920 2010-06-29  Doug Kwan  <dougkwan@google.com>
5921
5922         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5923         Initialize USE_SYMBOL_.
5924         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5925         definition.
5926         (Arm_reloc_property::uses_symbol_): New data member declaration.
5927         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5928         uses symbol value and symbol is undefined but not weakly undefined.
5929
5930 2010-06-28  Rafael Espindola  <espindola@google.com>
5931
5932         * plugin.cc (Plugin::load): Use dlerror.
5933
5934 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5935
5936         * symtab.cc (detect_odr_violations): When reporting an ODR
5937         violation, report an object where the symbol is defined.
5938
5939 2010-06-25  Doug Kwan  <dougkwan@google.com>
5940
5941         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5942         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5943         definition.
5944         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5945         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5946         target hook to detect function points.
5947         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5948         * icf.h (Icf::check_section_for_function_pointers): Change type of
5949         parameter SECTION_NAME to const reference to std::string.  Use
5950         target hook to determine if section may have unsafe pointers.
5951         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5952         method definition.
5953
5954 2010-06-21  Rafael Espindola  <espindola@google.com>
5955
5956         * fileread.cc (Input_file::find_fie): New
5957         (Input_file::open): Use Input_file::find_fie.
5958         * fileread.h (Input_file::find_fie): New
5959         * plugin.cc (set_extra_library_path): New.
5960         (Plugin::load): Add set_extra_library_path to the transfer vector.
5961         (Plugin_manager::set_extra_library_path): New.
5962         (Plugin_manager::add_input_file): Use the extra search path if set.
5963         (set_extra_library_path(): New.
5964         * plugin.h (Plugin_manager): Add set_extra_library_path and
5965         extra_search_path_.
5966
5967 2010-06-19  Cary Coutant  <ccoutant@google.com>
5968
5969         * layout.cc (gdb_sections): Add .debug_types.
5970         (lines_only_debug_sections): Likewise.
5971
5972 2010-06-18  Rafael Espindola  <espindola@google.com>
5973
5974         * plugin.cc (add_input_file,add_input_library)
5975         (Plugin_manager::add_input_file): Make filename arguments const.
5976         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5977         const.
5978
5979 2010-06-16  Doug Kwan  <dougkwan@google.com>
5980
5981         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5982         .ARM.attributes section if we have not merged any input
5983         attributes sections.
5984
5985 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5986
5987         * arm.cc: Allow combining objects with no EABI version
5988         information.
5989
5990 2010-06-15  Rafael Espindola  <espindola@google.com>
5991
5992         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5993
5994 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5995
5996         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5997         (struct iovec): Correct !HAVE_READV definition.
5998
5999 2010-06-10  Cary Coutant  <ccoutant@google.com>
6000
6001         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6002         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6003         reloc sections.
6004         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6005
6006         PR 11683
6007         * symtab.h (Symbol::is_placeholder): New member function.
6008         * target-reloc.h (relocate_section): Check for placeholder symbols.
6009
6010         * testsuite/Makefile.am (plugin_test_8): New test.
6011         (plugin_test_9): New test.
6012         * testsuite/Makefile.in: Regenerate.
6013
6014 2010-06-09  Nick Clifton  <nickc@redhat.com>
6015
6016         * yyscript.y (input_list_element): Allow strings prefixed with
6017         the '-' character.  Treat these as libraries.
6018         * script.cc (script_add_library): New function.  Adds a library
6019         specified by "-l<name>" found in an input script.
6020         * script-c.h: Add prototype for script_add_library.
6021
6022 2010-06-07  Doug Kwan  <dougkwan@google.com>
6023
6024         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6025         Restrict stub-group size to be within long conditional branch
6026         range when working around cortex-A8 erratum.
6027
6028 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6029
6030         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6031         #ifdef typo.
6032
6033 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6034
6035         PR gold/11658
6036         * output.cc
6037         (Output_section::Input_section_sort_entry::compare_section_ordering):
6038         Change to return non-zero correctly.
6039         (Output_section::Input_section_sort_section_order_index_compare
6040         ::operator()): Change to fix ambiguity in comparisons.
6041
6042 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6043
6044         * gold.h (is_wildcard_string): New function.
6045         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6046         (Layout::layout_eh_frame): Ditto.
6047         (Layout::find_section_order_index): New method.
6048         (Layout::read_layout_from_file): New method.
6049         * layout.h (Layout::find_section_order_index): New method.
6050         (Layout::read_layout_from_file): New method.
6051         (Layout::input_section_position_): New private member.
6052         (Layout::input_section_glob_): New private member.
6053         * main.cc (main): Call read_layout_from_file here.
6054         * options.h (--section-ordering-file): New option.
6055         * output.cc (Output_section::input_section_order_specified_): New
6056         member.
6057         (Output_section::Output_section): Initialize new member.
6058         (Output_section::add_input_section): Add new parameter.
6059         Keep input sections when --section-ordering-file is used.
6060         (Output_section::set_final_data_size): Sort input sections when
6061         section ordering file is specified.
6062         (Output_section::Input_section_sort_entry): Add new parameter.
6063         Check sorting type.
6064         (Output_section::Input_section_sort_entry::compare_section_ordering):
6065         New method.
6066         (Output_section::Input_section_sort_compare::operator()): Change to
6067         consider section_order_index.
6068         (Output_section::Input_section_sort_init_fini_compare::operator()):
6069         Change to consider section_order_index.
6070         (Output_section::Input_section_sort_section_order_index_compare
6071         ::operator()): New method.
6072         (Output_section::sort_attached_input_sections): Change to sort
6073         according to section order when specified.
6074         (Output_section::add_input_section<32, true>): Add new parameter.
6075         (Output_section::add_input_section<64, true>): Add new parameter.
6076         (Output_section::add_input_section<32, false>): Add new parameter.
6077         (Output_section::add_input_section<64, false>): Add new parameter.
6078         * output.h (Output_section::add_input_section): Add new parameter.
6079         (Output_section::input_section_order_specified): New
6080         method.
6081         (Output_section::set_input_section_order_specified): New method.
6082         (Input_section::Input_section): Initialize section_order_index_.
6083         (Input_section::section_order_index): New method.
6084         (Input_section::set_section_order_index): New method.
6085         (Input_section::section_order_index_): New member.
6086         (Input_section::Input_section_sort_section_order_index_compare): New
6087         struct.
6088         (Output_section::input_section_order_specified_): New member.
6089         * script-sections.cc (is_wildcard_string): Delete and move modified
6090         method to gold.h.
6091         (Output_section_element_input::Output_section_element_input): Modify
6092         call to is_wildcard_string.
6093         (Output_section_element_input::Input_section_pattern
6094         ::Input_section_pattern): Ditto.
6095         (Output_section_element_input::Output_section_element_input): Ditto.
6096         * testsuite/Makefile.am (final_layout): New test case.
6097         * testsuite/Makefile.in: Regenerate.
6098         * testsuite/final_layout.cc: New file.
6099         * testsuite/final_layout.sh: New file.
6100
6101 2010-06-01  Rafael Espindola  <espindola@google.com>
6102
6103         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6104
6105 2010-06-01  Rafael Espindola  <espindola@google.com>
6106
6107         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6108         visibility of symbols.
6109
6110 2010-05-27  Doug Kwan  <dougkwan@google.com>
6111
6112         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6113         from start of output section instead of address for a local symbol
6114         in a merged or relaxed section when doing a relocatable link.
6115
6116 2010-05-26  Rafael Espindola  <espindola@google.com>
6117
6118         PR 11604
6119         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6120         adding sections the garbage collector removed.
6121         * gold/testsuite/Makefile.am: Add test.
6122         * gold/testsuite/Makefile.in: Regenerate.
6123         * gold/testsuite/plugin_test_7.sh: New.
6124         * gold/testsuite/plugin_test_7_1.c: New.
6125         * gold/testsuite/plugin_test_7_2.c: New.
6126
6127 2010-05-26  Rafael Espindola  <espindola@google.com>
6128
6129         * script-sections.cc (Output_section_definition::set_section_addresses):
6130         Check for --section-start.
6131
6132 2010-05-26  Doug Kwan  <dougkwan@google.com>
6133
6134         * arm.cc (Arm_scan_relocatable_relocs): New class.
6135         (Target_arm::relocate_special_relocatable): New method.
6136         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6137         (Arm_relocate_functions::thumb_branch_common): Same.
6138         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6139         instead of Default_scan_relocatable_relocs.
6140         * target-reloc.h (relocate_for_relocatable): Let target handle
6141         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6142         * target.h (Sized_target::relocate_special_relocatable): New method.
6143
6144 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6145
6146         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6147
6148 2010-05-23  Doug Kwan  <dougkwan@google.com>
6149
6150         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6151         instead of a cast.
6152         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6153         with a direct branch, not a conditional branch, to a stub.
6154         * merge.cc (Output_merge_base::record_input_section): New method
6155         defintion.
6156         (Output_merge_data::do_add_input_section): Record input section if
6157         keeps-input-sections flag is set.
6158         (Output_merge_string::do_add_input_section): Ditto.
6159         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6160         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6161         INPUT_SECTIONS_.
6162         (Output_merge_base::keeps_input_sections,
6163         Output_merge_base::set_keeps_input_sections,
6164         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6165         method definitions.
6166         (Output_merge_base::Input_sections): New type declaration.
6167         (Output_merge_base::input_sections_begin,
6168         Output_merge_base::input_sections_end,
6169         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6170         (Output_merge_base::bool keeps_input_sections_,
6171         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6172         Output_merge_base::input_sections_): New data members.
6173         (Output_merge_data::do_set_keeps_input_sections): New method
6174         defintion.
6175         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6176         * output.cc (Output_section::Input_section::relobj): Move method
6177         defintion from class declaration to here and handle merge sections.
6178         (Output_section::Input_section::shndx): Ditto.
6179         (Output_section::Output_section): Remove initializations of removed
6180         data members and initialize new data member LOOKUP_MAPS_.
6181         (Output_section::add_input_section): Set keeps-input-sections flag
6182         for a newly created merge output section as appropriate.  Adjust code
6183         to use Output_section_lookup_maps class.
6184         (Output_section::add_relaxed_input_section): Adjst code for lookup
6185         maps code refactoring.
6186         (Output_section::add_merge_input_section): Add a new parameter
6187         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6188         class.  If adding input section to a newly created merge output
6189         section fails, remove the new merge section.
6190         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6191         Adjust code for use of the Output_section_lookup_maps class.
6192         (Output_section::find_merge_section): Ditto.
6193         (Output_section::build_lookup_maps): New method defintion.
6194         (Output_section::find_relaxed_input_section): Adjust code to use
6195         Output_section_lookup_maps class.
6196         (Output_section::get_input_sections): Export merge sections.  Adjust
6197         code to use Output_section_lookup_maps class.
6198         (Output_section:::add_script_input_section): Adjust code to use
6199         Output_section_lookup_maps class.  Update lookup maps for merge
6200         sections also.
6201         (Output_section::discard_states): Use Output_section_lookup_maps.
6202         (Output_section::restore_states): Same.
6203         * output.h (Merge_section_properties): Move class defintion out of
6204         Output_section.
6205         (Output_section_lookup_maps): New class.
6206         (Output_section::Input_section::is_merge_section): New method
6207         defintion.
6208         (Output_section::Input_section::relobj): Move defintion out of class
6209         defintion.  Declare method only.
6210         (Output_section::Input_section::shndx): Ditto.
6211         (Output_section::Input_section::output_merge_base): New method defintion.
6212         (Output_section::Input_section::u2_.pomb): New union field.
6213         (Output_section::Merge_section_by_properties_map,
6214         Output_section::Output_section_data_by_input_section_map,
6215         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6216         Remove types.
6217         (Output_section::add_merge_input_section): Add new parameter
6218         KEEPS_INPUT_SECTIONS.
6219         (Output_section::build_lookup_maps): New method declaration.
6220         (Output_section::merge_section_map_,
6221         Output_section::merge_section_by_properties_map_,
6222         Output_section::relaxed_input_section_map_,
6223         Output_section::is_relaxed_input_section_map_valid_): Remove data
6224         members.
6225         (Output_section::lookup_maps_): New data member.
6226
6227 2010-05-21  Doug Kwan  <dougkwan@google.com>
6228
6229         PR gold/11619
6230         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6231         avoid a compilation error.
6232
6233 2010-05-19  Rafael Espindola  <espindola@google.com>
6234
6235         * script-sections.cc (Output_section_definition::allocate_to_segment):
6236         Update the phdrs_list even when the output section is NULL.
6237         * testsuite/Makefile.am: Add test.
6238         * testsuite/Makefile.in: Regenerate.
6239         * testsuite/script_test_9.cc: New.
6240         * testsuite/script_test_9.sh: New.
6241         * testsuite/script_test_9.t: New.
6242
6243 2010-05-19  Doug Kwan  <dougkwan@google.com>
6244
6245         * arm.cc (Arm_input_section::original_size): New method.
6246         (Arm_input_section::do_addralign): Add a cast.
6247         (Arm_input_section::do_output_offset): Remove static cast.
6248         (Arm_input_section::original_addralign,
6249          Arm_input_section::original_size_): Change type to uint32_t.
6250         (Arm_input_section::init): Add safe casts for section alignment
6251         and size.
6252         (Arm_input_section::set_final_data_size): Do not set address and
6253         offset of stub table.
6254         (Arm_output_section::fix_exidx_coverage): Change use of of
6255         Output_section::Simple_input_section to that of
6256         Output_section::Input_section.
6257         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6258         except for the first pass.
6259         * output.cc (Output_section::get_input_sections): Change type of
6260         input_sections to std::list<Input_section>.
6261         (Output_section::add_script_input_section): Rename from
6262         Output_section::add_simple_input_section.  Change type of SIS
6263         parameter from Simple_input_section to Input_section.
6264         * output.h (Output_section::Simple_input_section): Remove class.
6265         (Output_section::Input_section): Change class visibility to public.
6266         (Output_section::Input_section::addralign): Use stored alignments
6267         for special input sections if set.
6268         (Output_section::Input_section::set_addralign): New method.
6269         (Output_section::get_input_sections): Change parameter type from
6270         list of Simple_input_section to list of Input_section.
6271         (Output_section::add_script_input_section): Rename from
6272         Output_section::add_simple_input_section. Change first parameter's
6273         type from Simple_input_section to Input_section and remove the
6274         second and third parameters.
6275         * script-sections.cc (Input_section::Input_section_list): Change
6276         type to list of Output_section::Input_section/
6277         (Input_section_info::Input_section_info): Change parameter type of
6278         INPUT_SECTION to Output_section::Input_section.
6279         (Input_section_info::input_section): Change return type.
6280         (Input_section_info::input_section_): Change type to
6281         Output_section::Input_section.
6282         (Output_section_element_input::set_section_addresses): Adjust code
6283         to use Output_section::Input_section instead of
6284         Output_section::Simple_input_section.  Adjust code for renaming
6285         of Output_section::add_simple_input_section.
6286         (Orphan_output_section::set_section_addresses): Ditto.
6287
6288 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6289
6290         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6291         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6292
6293 2010-05-18  Rafael Espindola  <espindola@google.com>
6294
6295         * options.cc (General_options::finalize): Handle -nostdlib.
6296         * options.h (nostdlib): New option.
6297         * script.cc (script_add_search_dir): Handle -nostdlib.
6298
6299 2010-05-12  Doug Kwan  <dougkwan@google.com>
6300
6301         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6302         attributes section only if there no attributes section after merging.
6303         (Target_arm::merge_object_attributes): Move value of
6304         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6305         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6306         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6307         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6308         and arm_attr_merge_7.stdout.
6309         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6310         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6311         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6312         arm_attr_merge_7b.o): New rules.
6313         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6314         arm_attr_merge_7
6315         * testsuite/Makefile.in: Regenerate.
6316         * testsuite/arm_attr_merge.sh: New file.
6317         * testsuite/arm_attr_merge_[67][ab].s: Same.
6318
6319 2010-05-05  Nick Clifton  <nickc@redhat.com>
6320
6321         * po/es.po: Updated Spanish translation.
6322
6323 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6324
6325         * Makefile.am (install-exec-local): Properly install gold as
6326         default cross linker.
6327         * Makefile.in: Regenerated.
6328
6329 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6330             Nick Clifton  <nickc@redhat.com>
6331
6332         * configure.ac (install_as_default): Define and set to false
6333         unless --enable-gold or --enable-gold=both/gold has been
6334         specified.
6335         * configure: Regenerate.
6336
6337         * Makefile.am (install-exec-local): Install the executable as
6338         'ld.gold'.  If install_as_default is true then also install it as
6339         'ld'.
6340         * Makefile.in: Regenerated.
6341
6342 2010-04-24  Ian Lance Taylor  <iant@google.com>
6343
6344         * layout.cc (Layout::layout_reloc): In relocatable link don't
6345         combine reloc sections for grouped sections.
6346
6347 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6348
6349         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6350         sections that are not ordinary to icf.
6351         * icf.cc (get_section_contents): Handle relocation pointing to section
6352         with no object or shndx information.
6353         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6354         * testsuite/Makefile.in: Regenerate.
6355         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6356         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6357
6358 2010-04-22  Ian Lance Taylor  <iant@google.com>
6359
6360         * expression.cc (Expression::Expression_eval_info): Add
6361         result_alignment_pointer field.
6362         (Expression::eval_with_dot): Add result_alignment_pointer
6363         parameter.  Change all callers.
6364         (Expression::eval_maybe_dot): Likewise.
6365         (class Binary_expression): Add alignment_pointer parameter to
6366         left_value and right_value.  Change all callers.
6367         (BINARY_EXPRESSION): Set result alignment.
6368         (class Trinary_expression): Add alignment_pointer parameter to
6369         arg2_value and arg3_value.  Change all callers.
6370         (Trinary_cond::value): Set result alignment.
6371         (Max_expression::value, Min_expression::value): Likewise.
6372         (Align_expression::value): Likewise.
6373         * script-sections.cc (class Sections_element): Add dot_alignment
6374         parameter to set_section_addresses virtual function.  Update
6375         instantiations.
6376         (class Output_section_element): Likewise.
6377         (Script_sections::create_segments): Add dot_alignment parameter.
6378         Change all callers.
6379         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6380         (Script_sections::set_phdrs_clause_addresses): Likewise.
6381         * script-sections.h: Update declarations.
6382         * script.h: Update declarations.
6383         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6384         min_p_align.
6385         * testsuite/script_test_3.t: Set large alignment.
6386         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6387         segment has expected alignment.
6388
6389 2010-04-22  Nick Clifton  <nickc@redhat.com>
6390
6391         * po/gold.pot: Updated by the Translation project.
6392         * po/vi.po: Updated Vietnamese translation.
6393
6394 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6395
6396         * testsuite/Makefile.am (check_PROGRAMS): Add
6397         icf_virtual_function_folding_test.
6398         * testsuite/Makefile.in: Regenerated.
6399
6400 2010-04-15  Andrew Haley  <aph@redhat.com>
6401
6402         * options.h (merge_exidx_entries): New option.
6403         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6404         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6405         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6406         (Target_arm::merge_exidx_entries): New function.
6407         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6408         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6409         to Arm_exidx_fixup constructor.
6410         Add new arg, merge_exidx_entries.
6411         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6412         Arm_output_section::fix_exidx_coverage.
6413
6414 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6415
6416         * icf.cc (get_section_contents): Check for preemptible functions.
6417         Ignore addend when appropriate.
6418         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6419         section folded.
6420         (add_from_relobj): Check for section folded.
6421         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6422         * symtab.h (should_add_dynsym_entry): Add new parameter.
6423         * target-reloc.h (scan_relocs): Check for section folded.
6424         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6425         Check reloc types for function pointers in shared objects.
6426         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6427         case.
6428         (icf_preemptible_functions_test): New test case.
6429         (icf_string_merge_test): New test case.
6430         * testsuite.Makefile.in: Regenerate.
6431         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6432         bar_glob.  Refactor code.
6433         * testsuite/icf_preemptible_functions_test.cc: New file.
6434         * testsuite/icf_preemptible_functions_test.sh: New file.
6435         * testsuite/icf_string_merge_test.cc: New file.
6436         * testsuite/icf_string_merge_test.sh: New file.
6437         * testsuite/icf_virtual_function_folding_test.cc: New file.
6438         * testsuite/icf_virtual_function_folding_test.sh: New file.
6439
6440 2010-04-14  Doug Kwan  <dougkwan@google.com>
6441
6442         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6443         for local symbol recounting if we remove a section due to ICF.
6444         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6445         there are no regular objects in input.
6446
6447 2010-04-13  Doug Kwan  <dougkwan@google.com>
6448
6449         * arm.cc (Arm_input_section::set_final_data_size): Compute
6450         accurate final data size instead of using current data size.
6451
6452 2010-04-09  Doug Kwan  <dougkwan@google.com>
6453
6454         * layout.cc (Layout::choose_output_section): Handle script section
6455         types.
6456         (Layout::make_output_section_for_script): Add section type parameter.
6457         Handle script section types.
6458         * layout.h (Layout::make_output_section_for_script): Add section
6459         type parameter.
6460         * output.cc (Output_section::Output_section): Initialize data member
6461         is_noload_.
6462         (Output_section::do_reset_address_and_file_offset): Do not set address
6463         to 0 if section is a NOLOAD section.
6464         * output.h (Output_section::is_noload): New method.
6465         (Output_section::set_is_noload): Ditto.
6466         (Output_section::is_noload_): New data member.
6467         * script-c.h (Script_section_type): New enum type.
6468         (struct Parser_output_section_header): Add new file section_type.
6469         * script-sections.cc (Sections_element::output_section_name): Add
6470         parameter for returning script section type.
6471         (Output_section_definition::output_section_name): Ditto.
6472         (Output_section_definition::section_type)P; New method.
6473         (Output_section_definiton::script_section_type_name): Ditto.
6474         (Output_section_definition::script_section_type_): New data member.
6475         (Output_section_definition::Output_section_definition): Initialize
6476         data member Output_section_definition::script_section_type_.
6477         (Output_section_definition::create_sections): Pass script section type
6478         to Layout::make_output_section_for_script.
6479         (Output_section_definition::output_section_name): Return script
6480         section type to caller.
6481         (Output_section_definition::set_section_address): Do not advance
6482         dot value and load address if section type is NOLOAD.  Set address
6483         of NOLOAD sections regardless of section flags.
6484         (Output_section_definition::print): Print section type if it is
6485         not SCRIPT_SECTION_TYPE_NONE.
6486         (Output_section_definition::section_type): New method.
6487         (Output_section_definition::script_section_type_name): Ditto.
6488         (Script_sections::output_section_name): Add new parameter
6489         PSECTION_TYPE for returning script section type.  Pass it to
6490         section elements.  Handle discard sections.
6491         (Sort_output_sections::operator()): Handle NOLOAD sections.
6492         * script-sections.h (Script_sections::Section_type): New enum type.
6493         (Script_sections::output_section_name): Add a new parameter for
6494         returning script section type.
6495         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6496         INFO and NOLOAD.
6497         * yyscript.y (union): Add new field SECTION_TYPE.
6498         (COPY, DSECT, INFO, NOLOAD): New tokens.
6499         (opt_address_and_section_type): Change type to output_section_header.
6500         (section_type): New non-terminal
6501         (section_header): Handle section type.
6502         (opt_address_and_section_type): Return section type value.
6503
6504 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6505
6506         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6507         * testsuite/plugin_common_test_2.c (foo): Likewise.
6508
6509 2010-04-08  Doug Kwan  <dougkwan@google.com>
6510
6511         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6512         Output_merge_data.
6513         * output.cc (Output_section::add_merge_input_section): Simplify
6514         code and return status of Output_merge_base::add_input_section.
6515         Update merge section map only if Output_merge_base::add_input_section
6516         returns true.
6517
6518 2010-04-07  Doug Kwan  <dougkwan@google.com>
6519
6520         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6521         if section is marked as containing instructions but has no mapping
6522         symbols.
6523         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6524         correct section index.
6525         (Arm_relobj::find_linked_text_section): Ditto.
6526
6527 2010-04-07  Cary Coutant  <ccoutant@google.com>
6528
6529         * archive.cc (include_member): Destroy Read_symbols_data object before
6530         releasing file.
6531         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6532         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6533         (Read_symbols_data::~Read_symbols_data) New destructor.
6534         (Section_relocs::Section_relocs) New constructor.
6535         (Section_relocs::~Section_relocs) New destructor.
6536         (Read_relocs_data::Read_relocs_data) New constructor.
6537         (Read_relocs_data::~Read_relocs_data) New destructor.
6538         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6539         pointers to NULL after deleting.
6540
6541 2010-04-07  Doug Kwan  <dougkwan@google.com>
6542
6543         * arm.cc: Replace "endianity" with "endianness" in comments.
6544         (Arm_exidx_cantunwind): Ditto.
6545         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6546         (Arm_relobj::merge_flags_and_attributes): New method.
6547         (Arm_relobj::merge_flags_and_attributes_): New data member.
6548         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6549         (Arm_relobj::scan_sections_for_stubs): Ditto.
6550         (Arm_relobj::do_read_symbols): Check to see if we really want to
6551         merge processor-specific flags and attributes.  Exit early if
6552         an object is empty except for section names and the undefined symbol.
6553         (Target_arm::do_finalize_sections): Move check for ELF format to
6554         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6555         attributes from a regular object only when we have determined that
6556         it is aapropriate.  Do not create an .ARM.attributes section in
6557         output if there is no regular input object.
6558         (Target_arm::merge_processor_specific_flags): Check
6559         --warn-mismatch before printing any error.
6560         (Target_arm::merge_object_attributes): Ditto.
6561         * gold.cc (queue_middle_tasks): Handle the case in which there is
6562         no regular object in input.
6563         * options.cc (General_options::parse_EB): New method.
6564         (General_options::parse_EL): Same.
6565         (General_options::General_options): Initialize endianness_.
6566         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6567         New options.
6568         (General_options::Endianness): New enum.
6569         (General_options::endianness): New method.
6570         (General_options::endianness_): New data member.
6571         * parameters.cc (Parameters::set_options): Check target endianness.
6572         (Parameters::set_target_once): Ditto.
6573         (Parameters::check_target_endianness): New method.
6574         (parameters_force_valid_target): If either -EL or -EB is specified,
6575         use it to define endianness of default target.
6576         * parameters.h (Parameters::check_target_endianness): New method
6577         declaration.
6578         * target.h (class Target): Change "endianity" to "endianness"
6579         in comments.
6580
6581 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6582
6583         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6584         * configure: Regenerate.
6585         * Makefile.in: Regenerate.
6586         * testsuite/Makefile.in: Regenerate.
6587
6588 2010-04-06  Cary Coutant  <ccoutant@google.com>
6589
6590         gcc PR lto/42757
6591         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6592         prevailing definitions of common symbols.
6593         * testsuite/plugin_test_6.sh: New test case.
6594         * testsuite/plugin_common_test_1.c: New test case.
6595         * testsuite/plugin_common_test_2.c: New test case.
6596         * testsuite/Makefile.am (plugin_test_6): New test case.
6597         * testsuite/Makefile.in: Regenerate.
6598
6599 2010-04-06  Nick Clifton  <nickc@redhat.com>
6600
6601         * po/vi.po: New Vietnamese translation.
6602
6603 2010-03-30  Doug Kwan  <dougkwan@google.com>
6604
6605         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6606
6607 2010-03-25  Doug Kwan  <dougkwan@google.com>
6608
6609         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6610         to avoid a conversion warning on a 32-bit host.
6611
6612 2010-03-24  Ian Lance Taylor  <iant@google.com>
6613
6614         * testsuite/script_test_3.t: Add a TLS segment.
6615         * testsuite/Makefile.am (check_PROGRAMS): Add
6616         tls_phdrs_script_test.
6617         (tls_phdrs_script_test_SOURCES): Define.
6618         (tls_phdrs_script_test_DEPENDENCIES): Define.
6619         (tls_phdrs_script_test_LDFLAGS): Define.
6620         (tls_phdrs_script_test_LDADD): Define.
6621         * testsuite/Makefile.in: Rebuild.
6622
6623 2010-03-23  Cary Coutant  <ccoutant@google.com>
6624
6625         * fileread.cc (find_or_make_view): Fix comment.
6626
6627 2010-03-23  Ian Lance Taylor  <iant@google.com>
6628
6629         * script-sections.cc (class Orphan_section_placement): Define
6630         PLACE_TLS and PLACE_TLS_BSS.
6631         (Orphan_section_placement::Orphan_section_placement): Initialize
6632         new places.
6633         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6634         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6635         (tls_script_test_SOURCES): Define.
6636         (tls_script_test_DEPENDENCIES): Define.
6637         (tls_script_test_LDFLAGS): Define.
6638         (tls_script_test_LDADD): Define.
6639         * testsuite/Makefile.in: Rebuild.
6640
6641 2010-03-22  Doug Kwan  <dougkwan@google.com>
6642
6643         * arm.cc (Arm_relocate_functions::abs8,
6644         Arm_relocate_functions::abs16): Use correct check for overflow
6645         specified in the ARM ELF specs.
6646         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6647         target of a BLX instruction specially.
6648         (Reloc_stub::stub_type_for_reloc): Ditto.
6649         (Relocate::relocate): Use symbolic names instead of numeric relocation
6650         codes to report error.
6651         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6652         workaround.
6653         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6654         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6655         thumb2_blx_out_of_range.stdout
6656         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6657         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6658         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6659         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6660         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6661         thumb2_blx_in_range, thumb2_blx_in_range.o,
6662         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6663         thumb2_blx_out_of_range.o): New rules.
6664         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6665         thumb2_blx_in_range and thumb2_blx_out_of_range.
6666         * testsuite/Makefile.in: Regenerate.
6667         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6668         * testsuite/thumb_blx_in_range.s: New file.
6669         * testsuite/thumb_blx_out_of_range.s: New file.
6670
6671 2010-03-22  Rafael Espindola  <espindola@google.com>
6672
6673         * archive.cc (Should_include): Move to archive.h.
6674         (should_include_member): Make it a member of Archive.
6675         (Lib_group): New.
6676         (Add_lib_group_symbols): New.
6677         * archive.h: Include options.h.
6678         (Archive_member): Moved from Archive.
6679         (Should_include): Moved from archive.cc.
6680         (Lib_group): New.
6681         (Add_lib_group_symbols): New.
6682         * dynobj.cc (do_should_include_member): New.
6683         * dynobj.h (do_should_include_member): New.
6684         * gold.cc (queue_initial_tasks): Update call to queue.
6685         * main.cc (main): Print lib group stats.
6686         * object.cc (do_should_include_member): New.
6687         * object.h: Include archive.h.
6688         (Object::should_include_member): New.
6689         (Object::do_should_include_member): New.
6690         (Sized_relobj::do_should_include_member): New.
6691         * options.cc (General_options::parse_start_lib): New.
6692         (General_options::parse_end_lib): New.
6693         (Input_arguments::add_file): Handle lib groups.
6694         (Input_arguments::start_group): Check we are not in a lib.
6695         (Input_arguments::start_lib): New.
6696         (Input_arguments::end_lib): New.
6697         * options.h (General_options): Add start_lib and end_lib.
6698         (Input_argument::lib_): New.
6699         (Input_argument::lib): New.
6700         (Input_argument::is_lib): New.
6701         (Input_file_lib): New.
6702         (Input_arguments::in_lib_): New.
6703         (Input_arguments::in_lib): New.
6704         (Input_arguments::start_lib): New.
6705         (Input_arguments::end_lib_): New.
6706         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6707         in unused members as preempted.
6708         (Sized_pluginobj::do_should_include_member): New.
6709         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6710         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6711         return the blocker.
6712         (Read_symbols::do_whole_lib_group): New.
6713         (Read_symbols::do_lib_group): New.
6714         (Read_symbols::do_read_symbols): Handle lib groups.
6715         (Read_symbols::get_name): Handle lib groups.
6716         * readsyms.h (Read_symbols): Add an archive member pointer.
6717         (Read_symbols::do_whole_lib_group): New.
6718         (Read_symbols::do_lib_group): New.
6719         (Read_symbols::member_): New.
6720         * script.cc (read_input_script): Update call to queue_soon.
6721
6722 2010-03-19  Doug Kwan  <dougkwan@google.com>
6723
6724         * arm.cc (Stub_table::Stub_table): Initialize new data members
6725         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6726         (Stub_table::add_reloc_stub): Assign stub offset and update
6727         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6728         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6729         New data members.
6730         (Stub_table::update_data_size_and_addralign): Use
6731         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6732         instead of going over all reloc stubs.
6733         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6734         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6735         Stringpool_template::offset_ to size of Stringpool_char.
6736         (Stringpool_template::new_key_offset): Remove code to initialize
6737         Stringpool_template::offset_.
6738         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6739         Stringpool_template::offset_ to zero.
6740
6741 2010-03-15  Doug Kwan  <dougkwan@google.com>
6742
6743         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6744         offset_.
6745         (Stringpool_template::new_key_offset): New method.
6746         (Stringpool_template::add_string): Assign offsets when adding new
6747         strings.
6748         (Stringpool_template::set_string_offsets): Do not set string offsets
6749         when not optimizing.
6750         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6751         member size_.
6752         (Chunked_vector::clear): Clear size_.
6753         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6754         (Chunked_vector::size): Return size_.
6755         (Chunked_vector::push_back): Use size_ to find insert position.
6756         (Chunked_vector::size_): New data member.
6757         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6758         (Stringpool_template::new_key_offset): New method declaration.
6759         (Stringpool_template::offset_): New data member.
6760
6761 2010-03-15   Rafael Espindola  <espindola@google.com>
6762
6763         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6764         Add_symbols' constructor.
6765         * readsyms.h (Add_symbols): Remove the input_group member.
6766
6767 2010-03-10  Ian Lance Taylor  <iant@google.com>
6768
6769         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6770         target to ask whether a reference to a symbol requires a stack
6771         split.
6772         * target.h (Target::is_call_to_non_split): New function.
6773         (Target::do_is_call_to_non_split): Declare virtual function.
6774         * target.cc: Include "symtab.h".
6775         (Target::do_is_call_to_non_split): New function.
6776         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6777
6778 2010-03-10  Cary Coutant  <ccoutant@google.com>
6779
6780         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6781         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6782         (File_read::open[2]): Add whole_file_view_ to list of views.
6783         (File_read::make_view): Remove test of whole_file_view_.
6784         (File_read::find_or_make_view): Create whole_file_view_ if
6785         necessary.
6786         (File_read::clear_views): Replace bool parameter with enum;
6787         adjust all callers.  Don't delete views with permanent data;
6788         do delete cached views and views from archives if
6789         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6790         if clearing the corresponding view.
6791         * fileread.h (File_read::Clear_views_mode): New enum.
6792         (File_read::View::is_permanent_view): New method.
6793         (File_read::clear_views): Replace bool parameter
6794         with enum; adjust all callers.
6795         * options.h (General_options): Change keep_files_mapped option;
6796         add map_whole_files.
6797         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6798         releasing the file.
6799         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6800         the file.
6801
6802 2010-03-10  David S. Miller  <davem@davemloft.net>
6803
6804         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6805
6806 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6807
6808         * icf.cc (get_section_contents): Add '@' marker after processing the
6809         merge reloc.
6810
6811 2010-03-08  Doug Kwan  <dougkwan@google.com>
6812
6813         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6814         due to a conversion warning.
6815         (Arm_relobj::update_output_local_symbol_count): Check for local
6816         symbol with unset output index.
6817
6818 2010-03-05  Ian Lance Taylor  <iant@google.com>
6819
6820         * options.h (class General_options): Add --spare-dynamic-tags.
6821         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6822         --spare-dynamic-tags.
6823
6824 2010-03-05  Ian Lance Taylor  <iant@google.com>
6825
6826         * incremental.cc: Include "libiberty.h".
6827
6828 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6829
6830         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6831         function, is_info_ member.
6832         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6833         (Versions::Versions): Update caller.
6834         (Versions::define_base_version): Likewise.
6835         (Versions::add_def): Likewise.
6836
6837 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6838
6839         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6840         (Scan::possible_function_pointer_reloc): New function.
6841         (Scan::local_reloc_may_be_function_pointer): Change to call
6842         possible_function_pointer_reloc.
6843         (Scan::global_reloc_may_be_function_pointer): Ditto.
6844         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6845         relocations in ".data.rel.ro._ZTV" section.
6846         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6847         * testsuite/icf_safe_so_test.cc: Ditto.
6848         * testsuite/icf_safe_test.cc: Ditto.
6849         * testsuite/icf_safe_test.sh: Ditto.
6850
6851 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6852             Ian Lance Taylor  <iant@google.com>
6853
6854         * target-reloc.h (relocate_section): Check the symbol table index
6855         for -1U before setting the local symbol index.
6856         (scan_relocatable_relocs): If copying the relocation, record that
6857         the local symbol is required.
6858         * object.h (Symbol_value::is_output_symtab_index_set): New
6859         function.
6860         (Symbol_value::may_be_discarded_from_output_symtab): New
6861         function.
6862         (Symbol_value::has_output_symtab_entry): New function.
6863         (Symbol_value::needs_output_symtab_entry): Remove.
6864         (Symbol_value::output_symtab_index): Make sure the symbol index is
6865         set.
6866         (Symbol_value::set_output_symtab_index): Make sure the symbol
6867         index is not set.  Make sure the new index is valid.
6868         (Symbol_value::set_must_have_output_symtab_entry): New function.
6869         (Symbol_value::has_output_dynsym_entry): New function.
6870         (Symbol_value::set_output_dynsym_index): Make sure the new index
6871         is valid.
6872         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6873         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6874         local symbol if permitted.
6875         (Sized_relobj::do_finalize_local_symbols): Call
6876         is_output_symtab_index_set rather than needs_output_symtab_entry.
6877         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6878         rather than needs_output_symtab_entry.  Call
6879         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6880         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6881         is_output_symtab_index_set rather than needs_output_symtab_entry.
6882         * testsuite/discard_locals_relocatable_test.c: New file.
6883         * testsuite/discard_locals_test.sh: Test -r.
6884         * testsuite/Makefile.am (check_DATA): Add
6885         discard_locals_relocatable_test1.syms,
6886         discard_local_relocatable_test2.syms.
6887         (MOSTLYCLEANFILES): Likewise.  Also add
6888         discard_locals_relocatable_test1.lout and
6889         discard_locals_relocatable_test2.out.
6890         (discard_locals_relocatable_test1.syms): New target.
6891         (discard_locals_relocatable_test.o): New target.
6892         (discard_locals_relocatable_test1.out): New target.
6893         (discard_locals_relocatable_test2.syms): New target.
6894         (discard_locals_relocatable_test2.out): New target.
6895         (various): Add missing ../ld-new dependencies.
6896         * testsuite/Makefile.in: Rebuild.
6897
6898 2010-03-03  Nick Clifton  <nickc@redhat.com>
6899
6900         * po/fi.po: New Finnish translation.
6901
6902 2010-03-01  Doug Kwan  <dougkwan@google.com>
6903
6904         * layout.cc (Layout::Layout): Force section types of .init_array*,
6905         .preinit_array* and .fini_array* sections.
6906         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6907         Fix check of return value of std::string::find.().
6908         (Output_section::Input_section_sort_compare::operator()): Remove
6909         comment about .init_array.
6910         (Output_section::Input_section_sort_init_fini_compare::operator()):
6911         New method.
6912         (Output_section::sort_attached_input_sections): Handle .init_array
6913         and .fini_array specially.
6914         * output.h (Output_section::Inut_section_sort_compare): Update
6915         comment.
6916         (Output_section::Input_section_sort_init_fini_compare): New struct.
6917
6918 2010-02-26  Doug Kwan  <dougkwan@google.com>
6919
6920         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6921         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6922         * testsuite/debug_msg.sh: Avoid matching source line number for
6923         use of global variable undef_int.
6924
6925 2010-02-26  Doug Kwan  <dougkwan@google.com>
6926
6927         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6928         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6929         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6930         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6931         * options.cc (General_options::General_options): Initialize member
6932         fix_v4bx_.
6933         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6934         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6935         and rm_no_fix_v4bx.stdout
6936         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6937         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6938         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6939         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6940         and arm_no_fix_v4bx.
6941         * Makefile.in: Regenerate.
6942         * testsuite/arm_fix_v4bx.s: New file.
6943         * testsuite/arm_fix_v4bx.sh: Ditto.
6944
6945 2010-02-24  Doug Kwan  <dougkwan@google.com>
6946
6947         * arm.cc (Target_arm::got_section): Make the .got section the first
6948         non RELRO section in the data segment.
6949         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6950         suffixes of section names.
6951
6952 2010-02-24  Doug Kwan  <dougkwan@google.com>
6953
6954         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6955         flags and attributes merging if an input file is a binary file.
6956         * fileread.cc (Input_file::open): Record format of original file.
6957         * fileread.h (Input_file::Format): New enum type.
6958         (Input_file::Input_file): Initialize data member format_.
6959         (Input_file::format): New method definition.
6960         (Input_file::format_):: New data member.
6961
6962 2010-02-24  Doug Kwan  <dougkwan@google.com>
6963
6964         * arm.cc (Arm_output_data_got): New class.
6965         (ARM_TCB_SIZE): New constant
6966         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6967         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6968         If user uses a script with a SECTIONS clause, issue only a warning
6969         for a misplaced EXIDX input section.  Otherwise, issue an error.
6970         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6971         garbage collection.
6972         (Target_arm::got_mode_index_entry): Handle static linking.
6973         (Target_arm::Scan::local): Ditto.
6974         (Target_arm::Scan::global): Ditto.
6975         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6976         all incorrectly implemented relocations.
6977         (Target_arm::fix_exidx_coverage): Pass layout to
6978         Arm_output_section::fix_exidx_coverage.
6979         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6980         from ".ARM.exidx." and ".ARM.extab.".
6981
6982 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6983
6984         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6985         section if it does not already exist.
6986         * attributes.cc (Attributes_section_data::Attributes_section_data):
6987         Don't crash if size is zero.
6988
6989 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6990             Ian Lance Taylor  <iant@google.com>
6991
6992         * gold.cc (queue_middle_tasks): If no input files were opened,
6993         exit.
6994         * workqueue.h (Task_function::Task_function): Assert that there is
6995         a blocker.
6996
6997 2010-02-22  Doug Kwan  <dougkwan@google.com>
6998
6999         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7000         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7001         types to avoid warnings due to different uint64_t implementations
7002         on different hosts.
7003
7004 2010-02-21  Doug Kwan  <dougkwan@google.com>
7005
7006         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7007         handling of the maximum backward branch offset.
7008         (Arm_relocate_functions::thumb_branch_common): Ditto.
7009         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7010         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7011         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7012         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7013         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7014         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7015         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7016         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7017         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7018         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7019         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7020         thumb2_bl_out_of_range.o): New rules.
7021         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7022         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7023         thumb2_bl_out_of_range
7024         * testsuite/Makefile.in: Regenerate.
7025         * testsuite/arm_bl_in_range.s: New file.
7026         * testsuite/arm_bl_out_of_range.s: Ditto.
7027         * testsuite/arm_branch_in_range.sh: Ditto.
7028         * testsuite/arm_branch_range.t: Ditto.
7029         * testsuite/thumb2_branch_range.t: Ditto.
7030         * testsuite/thumb_bl_in_range.s: Ditto.
7031         * testsuite/thumb_bl_out_of_range.s: Ditto.
7032         * testsuite/thumb_branch_range.t: Ditto.
7033
7034 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7035
7036         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7037         Add reloc offset information.
7038         * icf.cc (get_section_contents): Change iterators to point to the new
7039         vectors. Add reloc offset information to the contents.
7040         * icf.h (Icf::Sections_reachable_info): New typedef.
7041         (Icf::Sections_reachable_list): New typedef.
7042         (Icf::Offset_info): New typedef.
7043         (Icf::Reloc_info): New struct typedef.
7044         (Icf::Reloc_info_list): New typedef.
7045         (Icf::symbol_reloc_list): Delete method.
7046         (Icf::addend_reloc_list): Delete method.
7047         (Icf::section_reloc_list): Delete method.
7048         (Icf::reloc_info_list): New method.
7049         (Icf::reloc_info_list_): New member.
7050
7051 2010-02-19  Doug Kwan  <dougkwan@google.com>
7052
7053         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7054         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7055         * arm.cc (Arm_relocation_functions): New forward declaration.
7056         (Target_arm::Target_arm): Initialize new data members
7057         got_mod_index_offset_ and tls_base_symbol_defined_.
7058         (Target_arm::Relocate::relocate_tls): New method.
7059         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7060          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7061         New methods.
7062         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7063         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7064         (Target_arm::got_mod_index_offset_,
7065         Target_arm::tls_base_symbol_defined_): New data members.
7066         (Target_arm::Scan::local, Target::Scan::global,
7067         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7068         relocations.
7069
7070 2010-02-18  Doug Kwan  <dougkwan@google.com>
7071
7072         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7073         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7074         text section as a parameter becuase some broken tools may not set
7075         the link in section header.
7076         (Target_arm::has_got_section): New method.
7077         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7078         without any mapping symbol as data only.  Remove warning.
7079         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7080         link in its section header, try to discover the link by inspecting the
7081         REL31 relocation at the beginning of the section.
7082         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7083         in error message.
7084         (Target_arm::Scan::global): Treat any reference to the symbol
7085         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7086
7087 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7088
7089         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7090         (Scan::global_reloc_may_be_function_pointer): New function.
7091         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7092         (Scan::global_reloc_may_be_function_pointer): New function.
7093         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7094         (Scan::global_reloc_may_be_function_pointer): New function.
7095         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7096         (Scan::global_reloc_may_be_function_pointer): New function.
7097         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7098         (Scan::global_reloc_may_be_function_pointer): New function.
7099         (Scan::possible_function_pointer_reloc): New function.
7100         (Target_x86_64::can_check_for_function_pointers): New function.
7101         * gc.h (gc_process_relocs): Scan relocation types to determine if
7102         function pointers were taken for targets that support it.
7103         * icf.cc (Icf::find_identical_sections): Include functions for
7104         folding in safe ICF whose pointer is not taken.
7105         * icf.h (Secn_fptr_taken_set): New typedef.
7106         (fptr_section_id_): New member.
7107         (section_has_function_pointers): New function.
7108         (set_section_has_function_pointers): New function.
7109         (check_section_for_function_pointers): New function.
7110         * options.h: Fix comment for safe ICF option.
7111         * target.h (can_check_for_function_pointers): New function.
7112         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7113         Modify icf_safe_test for X86-64.
7114         * testsuite/Makefile.in: Regenerate.
7115         * testsuite/icf_safe_so_test.cc: New file.
7116         * testsuite/icf_safe_so_test.sh: New file.
7117         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7118         (main): Change to take pointer to function kept_func_3.
7119         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7120         folding is done correctly for X86-64.
7121
7122 2010-02-12  David S. Miller  <davem@davemloft.net>
7123
7124         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7125         is_symbolless parameter.
7126         (Output_reloc<SHT_REL>::is_symbolless): New.
7127         (Output_reloc<SHT_REL>::is_symbolless_): New.
7128         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7129         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7130         (Output_reloc<SHT_RELA>::is_symbolless): New.
7131         (Output_data_reloc::add_global): Handle is_symbolless.
7132         (Output_data_reloc::add_global_relative): Likewise.
7133         (Output_data_reloc::add_local): Likewise.
7134         (Output_data_reloc::add_local_relative): Likewise.
7135         (Output_data_reloc::add_symbolless_global_addend): New.
7136         (Output_data_reloc::add_symbolless_local_addend): New.
7137         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7138         is_symbolless.
7139         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7140         instead of ->is_relative_
7141         (Output_reloc::write): Likewise.
7142         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7143         (Output_reloc::write_rel): Simplify.
7144
7145         * sparc.cc (Target_sparc::Scan::local): Use
7146         ->add_symbolless_local_addend as needed.
7147         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7148         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7149         based upon relocation offset.
7150
7151 2010-02-11  Doug Kwan  <dougkwan@google.com>
7152
7153         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7154         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7155         beginning of function.
7156         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7157         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7158         parameter is_32bit in calls to should_apply_static_reloc.
7159         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7160         (check_DATA): Add arm_abs_global.stdout.
7161         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7162         arm_abs_global.stdout): New rules.
7163         (MOSTLLYCLEANFILES): Add arm_abs_global
7164         * Makefile.in: Regenerate.
7165         * testsuite/arm_abs_global.s: New file.
7166         * testsuite/arm_abs_global.sh: Ditto.
7167         * testsuite/arm_abs_lib.s: Ditto.
7168
7169 2010-02-11  Ian Lance Taylor  <iant@google.com>
7170
7171         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7172         Read_relocs task.
7173         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7174         Allocate_commons_task first.
7175         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7176         task, rather than symtab_lock_.
7177         (Gc_process_relocs::~Gc_process_relocs): New function.
7178         (Gc_process_relocs::is_runnable): Check this_blocker_.
7179         (Gc_process_relocs::locks): Use next_blocker_ rather than
7180         blocker_.
7181         (Scan_relocs::~Scan_relocs): New function.
7182         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7183         symtab_lock_.
7184         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7185         next_blocker_.
7186         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7187         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7188         constructor accordingly.
7189         (class Gc_process_relocs): Likewise.
7190         (class Scan_relocs): Likewise.
7191         * common.h (class Allocate_commons_task): Remove symtab_lock_
7192         field, and corresponding constructor parameter.
7193         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7194         symtab_lock_.
7195         (Allocate_commons_task::locks): Likewise.
7196
7197 2010-02-11  Ian Lance Taylor  <iant@google.com>
7198
7199         * gold-threads.h (class Once): Define.
7200         (class Initialize_lock): Rewrite as child of Once.
7201         * gold-threads.cc (class Once_initialize): Define.
7202         (once_pointer_control): New static variable.
7203         (once_pointer, once_arg): New static variables.
7204         (c_run_once): New static function.
7205         (Once::Once, Once::run_once, Once::internal_run): New functions.
7206         (class Initialize_lock_once): Remove.
7207         (initialize_lock_control): Remove.
7208         (initialize_lock_pointer): Remove.
7209         (initialize_lock_once): Remove.
7210         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7211         (Initialize_lock::initialize): Rewrite.
7212         (Initialize_lock::do_run_once): New function.
7213         * archive.cc (Archive::interpret_header): Only clear name if it is
7214         not already empty.
7215         * fileread.cc: Include "gold-threads.h"
7216         (file_counts_lock): New static variable.
7217         (file_counts_initialize_lock): Likewise.
7218         (File_read::release): Only increment counts when using --stats.
7219         Use a lock around the increment.
7220         * parameters.cc (class Set_parameters_target_once): Define.
7221         (set_parameters_target_once): New static variable.
7222         (Parameters::Parameters): Move here from parameters.h.
7223         (Parameters::set_target): Rewrite.
7224         (Parameters::set_target_once): New function.
7225         (Parameters::clear_target): Move here and rewrite.
7226         * parameters.h (class Parameters): Update declarations.  Add
7227         set_parameters_target_once_ field.
7228         (Parameters::Parameters): Move to parameters.cc.
7229         (Parameters::clear_target): Likewise.
7230         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7231         task.
7232         (Start_group::~Start_group): New function.
7233         (Start_group::is_runnable): New function.
7234         (Start_group::locks, Start_group::run): New functions.
7235         (Finish_group::run): Change saw_undefined to size_t.
7236         * readsyms.h (class Start_group): Define.
7237         (class Finish_group): Change saw_undefined_ field to size_t.
7238         (Finish_group::Finish_group): Remove saw_undefined and
7239         this_blocker parameters.  Change all callers.
7240         (Finish_group::set_saw_undefined): New function.
7241         (Finish_group::set_blocker): New function.
7242         * symtab.h (class Symbol_table): Change saw_undefined to return
7243         size_t.  Change saw_undefined_ field to size_t.
7244         * target-select.cc (Set_target_once::do_run_once): New function.
7245         (Target_selector::Target_selector): Initialize set_target_once_
7246         field.  Don't initialize lock_ and initialize_lock_ fields.
7247         (Target_selector::instantiate_target): Rewrite.
7248         (Target_selector::set_target): New function.
7249         * target-select.h (class Set_target_once): Define.
7250         (class Target_selector): Update declarations.  Make
7251         Set_target_once a friend.  Remove lock_ and initialize_lock_
7252         fields.  Add set_target_once_ field.
7253
7254 2010-02-10  Ian Lance Taylor  <iant@google.com>
7255
7256         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7257         queueing any tasks.
7258         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7259         (queue_middle_tasks): Add all blockers before queueing any tasks.
7260         (queue_final_tasks): Likewise.
7261         * token.h (Task_token::add_blockers): New function.
7262         * object.h (Input_objects::number_of_relobjs): New function.
7263
7264 2010-02-10  Ian Lance Taylor  <iant@google.com>
7265
7266         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7267         shared, not if not position independent.
7268         * x86_64.cc (Relocate::relocate_tls): Likewise.
7269         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7270         (tls_pie_pic_test): New target.
7271         * testsuite/Makefile.in: Rebuild.
7272
7273         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7274         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7275         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7276         * testsuite/Makefile.in: Rebuild.
7277
7278 2010-02-09  David S. Miller  <davem@davemloft.net>
7279
7280         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7281         R_SPARC_RELATIVE using ->add_local_relative().
7282         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7283
7284         * output.h (Output_data_dynamic::add_section_size): New method
7285         that takes two Output_data objects.
7286         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7287         entry param.  Handle it in initializers.
7288         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7289         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7290         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7291         arg.
7292         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7293         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7294         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7295         for dynrel_includes_plt.
7296         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7297         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7298         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7299         before .rela.plt
7300         (Target_sparc::do_finalize_sections): Update to pass true for
7301         dynrel_includes_plt.
7302         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7303         output before .rela.plt
7304         (Target_powerpc::do_finalize_sections): Update to pass true for
7305         dynrel_includes_plt when 32-bit.
7306
7307 2010-02-08  Doug Kwan  <dougkwan@google.com>
7308
7309         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7310         method.
7311         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7312         Arm_relobj::scan_section_for_cortex_a8_stubs,
7313         Arm_relobj::do_relocation_section): Instead of calling
7314         Output_section::output_address, use faster
7315         Arm_relobj::simple_input_section_output_address.
7316
7317 2010-02-08  David S. Miller  <davem@davemloft.net>
7318
7319         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7320         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7321         relocation helper function.
7322
7323         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7324         just like R_SPARC_GOT{10,13,22}.
7325         (Target_sparc::Scan::local): Likewise.
7326         (Target_sparc::Relocate:relocate): Likewise.
7327
7328 2010-02-06  Ian Lance Taylor  <iant@google.com>
7329
7330         * configure.ac: Rewrite targetobjs duplicate removal code to use
7331         only shell constructs.
7332         * configure: Rebuild.
7333
7334 2010-02-05  Doug Kwan  <dougkwan@google.com>
7335
7336         PR 11247
7337         * arm.cc (Arm_relobj::section_is_scannable): New method.
7338         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7339         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7340
7341 2010-02-04  Doug Kwan  <dougkwan@google.com>
7342
7343         PR 11247
7344         * arm-reloc-property.cc (cstdio): Include.
7345         * configure.ac (targetobjs): Remove duplicates.
7346         * configure: Regenerate.
7347         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7348         big and little endian version for a given address size.
7349
7350 2010-02-03  Doug Kwan  <dougkwan@google.com>
7351
7352         * arm-reloc-property.cc
7353         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7354         definition.
7355         * arm-reloc-property.h
7356         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7357         New method definition.
7358         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7359         declaration.
7360         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7361         overflow to N.
7362         (GOT_PREL): Change implemented to Y.
7363         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7364         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7365         (Arm_relocate_functions::movw_abs_nc): Remove method.
7366         (Arm_relocate_functions::movt_abs): Ditto.
7367         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7368         (Arm_relocate_functions::thm_movt_abs): Ditto.
7369         (Arm_relocate_functions::movw_rel_nc): Ditto.
7370         (Arm_relocate_functions::movw_rel): Ditto.
7371         (Arm_relocate_functions::movt_rel): Ditto.
7372         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7373         (Arm_relocate_functions:thm_movw_rel): Ditto.
7374         (Arm_relocate_functions:thm_movt_rel): Ditto.
7375         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7376         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7377         New method definitions.
7378         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7379         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7380         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7381         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7382         (Target_arm::Relocate::relocate): Check for non-static or
7383         unimplemented relocation code and exit early.  Change calls to
7384         Target_arm::reloc_uses_thumb_bit and
7385         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7386         instead.  Refactor code to handle similar relocations to increase
7387         code sharing.  Remove check for unsupported relocation code in switch
7388         statement.
7389         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7390         relocation property table to find out size.  Change error message to
7391         print out the name of a relocation code instead of the numeric value.
7392         (Target_arm::scan_reloc_for_stub): Use relocation property table
7393         instead of calling Target_arm::reloc_uses_thumb_bit().
7394
7395 2010-02-02  Doug Kwan  <dougkwan@google.com>
7396
7397         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7398         types of relaxed input section.
7399
7400 2010-02-02  Doug Kwan  <dougkwan@google.com>
7401
7402         * Makefile.am (HFILES): Add arm-reloc-property.h.
7403         (DEFFILES): New.
7404         (TARGETSOURCES): Add arm-reloc-property.cc
7405         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7406         (libgold_a_SOURCES): $(DEFFILES)
7407         * Makefile.in: Regenerate.
7408         * arm-reloc-property.cc: New file.
7409         * arm-reloc-property.h: New file.
7410         * arm-reloc.def: New file.
7411         * arm.cc: Update comments.
7412         (arm-reloc-property.h): New included header.
7413         (arm_reloc_property_table): New global variable.
7414         (Target_arm::do_select_as_default_target): New method definition.
7415         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7416         arm-reloc-property to targ_extra_obj.
7417         * parameters.cc (set_parameters_target): Call
7418         Target::select_as_default_target().
7419         * target.h (Target::select_as_default_target): New method definition.
7420         (Target::do_select_as_default_target): Same.
7421
7422 2010-02-01  Doug Kwan  <dougkwan@google.com>
7423
7424         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7425         first_output_text_section_.
7426         (Arm_exidx_fixup::first_output_text_section): New method definition.
7427         (Arm_exidx_fixup::first_output_text_section_): New data member.
7428         (Arm_exidx_fixup::process_exidx_section): Record the first text
7429         output section seen.
7430         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7431         and entsize in output section header.
7432
7433 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7434
7435         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7436         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7437         (Arm_relocate_functions::thm_alu11): New Method.
7438         (Arm_relocate_functions::thm_pc8): New Method.
7439         (Arm_relocate_functions::thm_pc12): New Method.
7440         (Target_arm::Scan::local): Handle the relocations.
7441         (Target_arm::Scan::global): Likewise.
7442         (Target_arm::Relocate::relocate): Likewise.
7443         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7444
7445 2010-01-29  Doug Kwan  <dougkwan@google.com>
7446
7447         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7448         of relocation types as ld.
7449
7450 2010-01-29  Doug Kwan  <dougkwan@google.com>
7451
7452         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7453         to public.
7454         (Arm_relocate_functions::thumb_branch_common): Ditto.
7455         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7456         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7457         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7458         Arm_relocate_functions::jump24): Remove.
7459         (Target_arm::Relocate::relocate): Adjust code to call
7460         Arm_relocation_functions::arm_branch_common and
7461         Arm_relocation_functions::thumb_branch_common instead of their removed
7462         wrappers.  Merge switch-cases together to reduce source code size.
7463
7464 2010-01-29  Doug Kwan  <dougkwan@google.com>
7465
7466         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7467         output_local_symbol_count_needs_update_.
7468         (Arm_relobj::output_local_symbol_count_needs_update,
7469          Arm_relobj::set_output_local_symbol_count_needs_update,
7470          Arm_relobj::update_output_local_symbol_count): New methods.
7471         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7472         member.
7473         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7474         of pointed function as in a R_ARM_PREL31 relocation.
7475         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7476         for output local symbol count updating.
7477         (Target_arm::do_relax): Update output local symbol counts in objects
7478         if necessary.
7479         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7480
7481 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7482
7483         * arm.cc: Added support for the ARM relocations:
7484         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7485         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7486         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7487         movw_prel_nc).
7488         (Arm_relocate_functions::movw_rel): New method.
7489         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7490         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7491         thm_movw_prel_nc).
7492         (Arm_relocate_functions::thm_movw_rel): New method.
7493         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7494         thm_movt_prel).
7495         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7496         relocations.
7497         (Target_arm::Scan::global): Likewise.
7498         (Target_arm::Relocate::relocate): Likewise.
7499         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7500         Likewise.
7501
7502 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7503
7504         * arm.cc: Added support for ARM group relocations.
7505         (Target_arm::reloc_needs_sym_origin): New method.
7506         (Arm_relocate_functions::calc_grp_kn): New method.
7507         (Arm_relocate_functions::calc_grp_residual): New method.
7508         (Arm_relocate_functions::calc_grp_gn): New method.
7509         (Arm_relocate_functions::arm_grp_alu): New Method.
7510         (Arm_relocate_functions::arm_grp_ldr): New Method.
7511         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7512         (Arm_relocate_functions::arm_grp_ldc): New Method.
7513         (Target_arm::Scan::local): Handle the ARM group relocations.
7514         (Target_arm::Scan::global): Likewise.
7515         (Target_arm::Relocate::relocate): Likewise.
7516         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7517         Likewise.
7518
7519 2010-01-26  Doug Kwan  <dougkwan@google.com>
7520
7521         * arm.cc (set): Include.
7522         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7523         pointer type.
7524         (Arm_output_section::Text_section_list): New type.
7525         (Arm_output_section::append_text_sections_to_list): New method.
7526         (Arm_output_section::fix_exidx_coverage): Ditto.
7527         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7528         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7529         Relobj::set_section_offset() instead of
7530         Sized_relobj::invalidate_section_offset().
7531         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7532         parameter for section headers. Ignore relocation sections for
7533         unallocated sections and EXIDX sections.
7534         (Target_arm::fix_exidx_coverage): New method.
7535         (Target_arm::output_section_address_less_than): New type.
7536         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7537         linked text section instead of the EXIDX section.
7538         (Arm_output_section::create_stub_group): Add an assertion to check
7539         that this is not an EXIDX output section.
7540         (Arm_output_section::append_text_sections_to_list): New method.
7541         (Arm_output_section::fix_exidx_coverage): Ditto.
7542         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7543         Arm_relobj::section_needs_reloc_stub_scanning.
7544         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7545         first pass.
7546         (Target_arm::fix_exidx_coverage): New method.
7547         * object.h (Relobj::set_output_section): New method.
7548         (Sized_relobj::invalidate_section_offset): Remove method.
7549         (Sized_relobj::do_invalidate_section_offset): Remove method.
7550         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7551
7552 2010-01-25  Doug Kwan  <dougkwan@google.com>
7553
7554         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7555         Fix warning due to signed and unsigned comparison on a 32-bit host.
7556
7557 2010-01-22  Doug Kwan  <dougkwan@google.com>
7558
7559         * arm.cc (Target_arm::do_relax): Record an output section for section
7560         offset adjustment it contains any stub table that has changed.
7561         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7562         offsets in an output section if necessary.
7563         * output.cc (Output_section::Output_section): Initialize
7564         section_offsets_need_adjustments_.
7565         (Output_section::add_input_section_for_script): Renamed to
7566         Output_section::add_simple_input_section.
7567         (Output_section::save_states): Add a comment.
7568         (Output_section::discard_states): New method defintion.
7569         (Output_section::adjust_section_offsets): Same.
7570         * output.h (Output_section::add_input_section_for_script): Renamed to
7571         Output_section::add_simple_input_section.
7572         (Output_section::discard_states): New method declaration.
7573         (Output_section::adjust_section_offsets): Same.
7574         (Output_section::section_offsets_need_adjustment,
7575         Output_section::set_section_offsets_need_adjustment): New method
7576         definitions.
7577         (Output_section::section_offsets_need_adjustment_): New data member.
7578         * script-sections.cc
7579         (Output_section_element_input::set_section_address): Adjust code for
7580         renaming of Output_section::add_input_section_for_script.
7581         (Orphan_output_section::set_section_address): Same.
7582
7583 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7584
7585         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7586         Fix_v4bx enum values .
7587         * gold/options.h (General_options): New option definitions.
7588         (General_options::fix_v4bx): New method.
7589         (General_options::Fix_v4bx): New enum.
7590         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7591         (General_options::parse_fix_v4bx_interworking): New method.
7592
7593 2010-01-22  Doug Kwan  <dougkwan@google.com>
7594
7595         * arm.cc (Arm_exidx_fixup): New class.
7596
7597 2010-01-21  Doug Kwan  <dougkwan@google.com>
7598
7599         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7600         classes.
7601         (Arm_exidx_section_offset_map): New type.
7602
7603 2010-01-21  Doug Kwan  <dougkwan@google.com>
7604
7605         * arm.cc (Arm_exidx_input_section): New class.
7606         (Arm_relobj::exidx_input_section_by_link,
7607         Arm_relobj::exidx_input_section_by_shndx,
7608         Arm_relobj::make_exidx_input_section): New methods.
7609         (read_arm_attributes_section): Remove.
7610         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7611         information about them.
7612         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7613         to here.
7614
7615 2010-01-20  Doug Kwan  <dougkwan@google.com>
7616
7617         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7618         Input_section_specifier to Section_id.
7619         (Target_arm::new_arm_input_section: Adjust code for change of key
7620         type.
7621         (Target_arm::find_arm_input_section): Ditto.
7622         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7623         (Section_id): Remove.
7624         (Garbage_collection::Section_id_hash): Remove.
7625         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7626         (Section_id): Remove.
7627         (Icf::Section_id_hash): Remove.
7628         * object.h (Section_id, Const_section_id, Section_id_hash,
7629         Const_section_id_hash): New type definitions.
7630         * output.cc (Output_section::add_relaxed_input_section): Change to
7631         use Const_section_id instead of Input_section_specifier as key type.
7632         (Output_section::add_merge_input_section): Ditto.
7633         (Output_section::build_relaxation_map): Change to use Section_id
7634         instead of Input_section_specifier as key type.
7635         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7636         Ditto.
7637         (Output_section::convert_input_sections_to_relaxed_sections): Change
7638         to use Const_section_id instead of Input_section_specifier as key type.
7639         (Output_section::find_merge_section): Ditto.
7640         (Output_section::find_relaxed_input_section): Ditto.
7641         * output.h (Input_section_specifier): Remove class.
7642         (Output_section::Output_section_data_by_input_section_map): Change
7643         key type to Const_section_id.
7644         (Output_section::Output_relaxed_input_section_by_input_section_map):
7645         Ditto.
7646         (Output_section::Relaxation_map): Change key type to Section_id.
7647
7648 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7649
7650         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7651         (class Arm_v4bx_stub): New class.
7652         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7653         (Stub_factory::make_arm_v4bx_stub): New method.
7654         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7655         (Stub_table::empty): Handle v4bx stubs.
7656         (Stub_table::add_arm_v4bx_stub): New method.
7657         (Stub_table::find_arm_v4bx_stub): New method.
7658         (Arm_relocate_functions::v4bx): New method.
7659         (Target_arm::fix_v4bx): New method.
7660         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7661         (Stub_table::relocate_stubs): Likewise.
7662         (Stub_table::do_write): Likewise.
7663         (Stub_table::update_data_size_and_addralign): Likewise.
7664         (Stub_table::finalize_stubs):  Likewise.
7665         (Target_arm::Scan::local): Likewise.
7666         (Target_arm::Scan::global): Likewise.
7667         (Target_arm::do_finalize_sections): Likewise.
7668         (Target_arm::Relocate::relocate): Likewise.
7669         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7670         Likewise.
7671         (Target_arm::scan_reloc_for_stub): Likewise.
7672         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7673
7674 2010-01-19  Ian Lance Taylor  <iant@google.com>
7675
7676         * output.cc (Output_section_headers::do_sized_write): Write large
7677         segment count to sh_info field.
7678         (Output_file_header::do_sized_write): For large segment count,
7679         write PN_XNUM to e_phnum field.
7680
7681 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7682
7683         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7684         (Arm_relocate_functions::thm_jump8): New function.
7685         (Arm_relocate_functions::thm_jump11): New function.
7686         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7687         R_ARM_THM_JUMP11.
7688         (Target_arm::Scan::global): Likewise.
7689         (Target_arm::Relocate::relocate): Likewise.
7690         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7691         Likewise.
7692
7693 2010-01-14  Doug Kwan  <dougkwan@google.com>
7694
7695         * arm.cc (map, utility): Include headers.
7696         (Target_arm::apply_cortex_a8_workaround): New method.
7697         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7698         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7699         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7700         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7701         the --[no-]fix-cortex-a8 command line options.
7702         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7703         (Target_arm::relocate_stub): Use addend in instruction template.
7704         * options.h (DEFINE_bool): Set the user-set flag.
7705         (General_options): Add --[no-]-fix-cortex options.
7706         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7707         : Update fast look-up map after conversion.
7708
7709 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7710
7711         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7712         in the first pass of do_layout.
7713
7714 2010-01-13  Doug Kwan  <dougkwan@google.com>
7715
7716         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7717         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7718         apparent compiler problem of not folding static constant integral
7719         data members of elfcpp::Elf_sizes<32>.
7720
7721 2010-01-13  Doug Kwan  <dougkwan@google.com>
7722
7723         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7724         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7725         Arm_relobj::scan_section_for_cortex_a8_erratum,
7726         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7727         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7728         sections to scan for relocation stubs into a new method
7729         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7730         relocation and Cortex-A8 stub scanning.
7731         (Target_arm::do_relax): Force stubs to be after stubbed sections
7732         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7733         the beginning of a new relaxation pass.  Update a comment.
7734         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7735
7736 2010-01-12  Ian Lance Taylor  <iant@google.com>
7737
7738         * target-reloc.h (visibility_error): New inline function.
7739         (relocate_section): Call visibility_error.
7740         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7741         (MOSTLYCLEANFILES): Likewise.
7742         (protected_4_pic.o, protected_3.err): New targets.
7743         * testsuite/protected_4.cc: New file.
7744
7745 2010-01-12  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm.cc (Cortex_a8_reloc): New class.
7748         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7749         and cortex_a8_relocs_info_.
7750         (Target_arm::fix_cortex_a8): New method definition.
7751         (Target_arm::Cortex_a8_relocs_info): New type.
7752         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7753         New data member declarations.
7754         (Target_arm::scan_reloc_for_stub): Record information about
7755         relocations for THUMB branches that might be exempted from the
7756         Cortex-A8 workaround.
7757         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7758         at the beginning of a relaxation pass.
7759
7760 2010-01-12  Doug Kwan  <dougkwan@google.com>
7761
7762         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7763         (Arm_relobj::Mapping_symbol_position,
7764          Arm_reloj::Mapping_symbol_position_less,
7765          Arm_relobj::Mapping_symbols_info): New types.
7766         (Target_arm::is_mapping_symbol_name): New method definition.
7767         (Arm_relobj::do_count_local_symbols): Save information about mapping
7768         symbols.
7769
7770 2010-01-11  Doug Kwan  <dougkwan@google.com>
7771
7772         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7773         Arm_relocate_functions::thumb32_branch_upper,
7774         Arm_relocate_functions::thumb32_branch_lower,
7775         Arm_relocate_functions::thumb32_cond_branch_offset,
7776         Arm_relocate_functions::thumb32_cond_branch_upper,
7777         Arm_relocate_functions::thumb32_cond_branch_lower,
7778         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7779         branch offset encoding.
7780         (Arm_relocate_functions::thumb_branch_common): Use new branch
7781         offset encoding methods to avoid code duplication.
7782         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7783         (Stub_addend_reader::operator()): Use new branch encoding method
7784         to avoid code duplication.
7785
7786 2010-01-11  Doug Kwan  <dougkwan@google.com>
7787
7788         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7789         (Target_arm::do_finalize_sections): Define special EXIDX section
7790         symbols only if referenced.
7791         * gc.h (Garbage_collection::add_reference): New method.
7792         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7793         code duplication.
7794
7795 2010-01-11  Ian Lance Taylor  <iant@google.com>
7796
7797         * script.cc (Version_script_info::build_expression_list_lookup):
7798         Change complaing about duplicate wildcard match from error to
7799         warning.
7800
7801         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7802         of 2009-12-30.
7803         (Version_script_info::Version_script_info): Initialize globs_,
7804         default_version_, default_is_global_, and exact_.  Don't
7805         initialize globals_ or locals_.
7806         (Version_script_info::build_lookup_tables): Build local symbols
7807         first.
7808         (Version_script_info::unquote): New function.
7809         (Version_script_info::add_exact_match): New function.
7810         (Version_script_info::build_expression_list_lookup): Remove lookup
7811         parameter.  Add is_global parameter.  Change all callers.  Handle
7812         wildcard pattern specially.  Unquote pattern.  Call
7813         add_exact_match.
7814         (Version_script_info::get_name_to_match): New function.
7815         (Version_script_info::get_symbol_version): New function.
7816         (Version_script_info::get_symbol_version_helper): Remove.
7817         (Version_script_info::check_unmatched_names): Call unquote.
7818         * script.h (class Version_script_info): Change get_symbol_version
7819         to be non-inline and add is_global parameter; change all callers.
7820         Rewrite symbol_is_local.  Update declarations.  Define struct
7821         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7822         Remove globals_ and locals_ members.  Add exact_, globs_,
7823         default_version_, is_global_.
7824         (Version_script_info::Glob): Remove pattern, add expression and
7825         is_global.  Update constructor.  Change all callers.
7826         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7827         default version.
7828         (Versions::symbol_section_contents): If a symbol is undefined, or
7829         defined in a dynamic object, set the version index to
7830         VER_NDX_LOCAL.
7831         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7832         symbol_is_local.
7833         (Symbol_table::add_from_pluginobj): Likewise.
7834         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7835
7836 2010-01-11  Doug Kwan  <dougkwan@google.com>
7837
7838         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7839         (incremental_dump_LDADD): Add linking option for libintl.
7840         * Makefile.in: Regenerate.
7841
7842 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7843
7844         PR gold/11144
7845         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7846         instead of -Ds.
7847         * testsuite/Makefile.in: Regenerated.
7848
7849 2010-01-10  Doug Kwan  <dougkwan@google.com>
7850
7851         * options.h (DEFINE_var): Use parentheses around argument varname__
7852         in macro body to avoid any unintended subsequent substitutions.
7853
7854 2010-01-10  Ian Lance Taylor  <iant@google.com>
7855
7856         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7857         candidates before doing symbol resolution.
7858
7859         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7860         ODR candidates if only one is weak.
7861
7862 2010-01-08  Ian Lance Taylor  <iant@google.com>
7863
7864         * script.cc (Version_script_info::build_expression_list_lookup):
7865         Don't warn about ambiguous version, just record the ambiguity.
7866         (Version_script_info::get_symbol_version_helper): Give error if
7867         version is ambiguous.
7868
7869 2010-01-08  Doug Kwan  <dougkwan@google.com>
7870
7871         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7872         prev_data_size_ and prev_addralign_.  Remove initializer for
7873         deleted data member has_been_changed_.
7874         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7875         to determine if the table is empty.
7876         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7877         Remove.
7878         (Stub_table::add_reloc_stub): Define method in class definition
7879         instead of just declaring it there.
7880         (Stub_table::add_cortex_a8_stub): New method definition.
7881         (Stub_table::update_data_size_and_addralign): Ditto.
7882         (Stub_table::finalize_stubs): Ditto.
7883         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7884         (Stub_table::do_addralign_): Return address alignment in the
7885         (Stub_table::do_reset_address_and_file_offset): Define method in
7886         class definition instead of declaring it there.  Set current data
7887         size to be the data size of the previous pass.
7888         (Stub_table::set_final_data_size): Use current data size as the
7889         final data size.
7890         (Stub_table::relocate_stub): Change parameter type of stub from
7891         Reloc_stub pointer to Stub pointer.
7892         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7893         (Stub_table::Cortex_a8_stub_list): New typedef.
7894         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7895          Stub_table::prev_addralign_): New data member.
7896         (Arm_relobj::Arm_relobj): Initialize data member
7897         section_has_cortex_a8_workaround_.
7898         (Arm_relobj::section_has_cortex_a8_workaround,
7899          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7900          definitions.
7901         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7902         declarations.
7903         (Target_arm::relocate_stub): Change parameter type of stub from
7904         Reloc_stub pointer to Stub pointer.
7905         (Insn_template::size, Insn_template::alignment): Handle
7906         THUMB16_SPECIAL_TYPE.
7907         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7908          Stub_table::update_data_size_and_addralign,
7909          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7910         definitions.
7911         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7912         (Stub_table::do_write): Ditto.
7913         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7914
7915 2010-01-08  Ian Lance Taylor  <iant@google.com>
7916
7917         PR 11108
7918         * symtab.h (class Symbol): Remove fields is_target_special_ and
7919         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7920         (Symbol::is_defined_in_discarded_section): New function.
7921         (Symbol::set_is_defined_in_discarded_section): New function.
7922         (Symbol::has_plt_offset): Rewrite.
7923         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7924         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7925         Don't initialize is_target_special_ or has_plt_offset_.
7926         Initialize is_defined_in_discarded_section_.
7927         (Symbol_table::add_from_relobj): If appropriate, set
7928         is_defined_in_discarded_section.
7929         * resolve.cc (Symbol::override_base_with_special): Don't test
7930         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7931         * target-reloc.h (relocate_section): Do special handling for
7932         symbols defined in discarded sections for global symbols as well
7933         as local symbols.
7934
7935 2010-01-08  Ian Lance Taylor  <iant@google.com>
7936
7937         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7938         the SHT_SYMTAB case.
7939
7940 2010-01-08  Ian Lance Taylor  <iant@google.com>
7941
7942         * object.cc (Sized_relobj::do_layout): Don't get confused if
7943         layout_eh_frame returns NULL.
7944
7945 2010-01-08  Ian Lance Taylor  <iant@google.com>
7946
7947         PR 11084
7948         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7949         dynamic symbol table, use the normal symbol table.
7950         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7951         symbol table.
7952
7953 2010-01-08  Ian Lance Taylor  <iant@google.com>
7954
7955         PR 11072
7956         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7957         sections.
7958
7959 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7960
7961         * version.cc (print_version): Change to "Copyright 2010".
7962
7963 2010-01-08  Ian Lance Taylor  <iant@google.com>
7964
7965         PR 10287
7966         PR 11063
7967         * i386.cc (class Target_i386): Change return type of plt_section
7968         to be non-const.
7969         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7970         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7971         tls_desc_rel_ field.
7972         (Output_data_plt_i386::rel_tls_desc): New function.
7973         (Target_i386::rel_tls_desc_section): New function.
7974         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7975         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7976         R_386_TLS_DESC reloc in rel_tls_desc_section.
7977         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7978         Define struct Tlsdesc_info.
7979         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7980         (Target_x86_64::do_reloc_symbol_index): New function.
7981         (Target_x86_64::add_tlsdesc_info): New function.
7982         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7983         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7984         tlsdesc_rel_ field.
7985         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7986         all callers.
7987         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7988         (Target_x86_64::rela_tlsdesc_section): New function.
7989         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7990         handling.
7991         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7992         (Target_x86_64::do_reloc_addend): New function.
7993         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7994         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7995         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7996         (Output_reloc::type): New function.
7997         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7998         (Output_reloc::is_target_specific): New function.
7999         (Output_reloc::target_arg): New function.
8000         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8001         absolute relocs and target specific relocs.
8002         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8003         add_target_specific.
8004         (class Output_data_reloc) [SHT_RELA]: Likewise.
8005         * output.cc (Output_reloc::Output_reloc): Add four new versions
8006         for absolute relocs and target specific relocs.
8007         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8008         (Output_reloc::get_symbol_index): Likewise.
8009         (Output_reloc::local_section_offset): Check that local_sym_index_
8010         is not TARGET_CODE or 0.
8011         (Output_reloc::symbol_value): Likewise.
8012         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8013         reloc.
8014         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8015         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8016         functions.
8017         * layout.cc (add_target_dynamic_tags): Use output section for
8018         DT_PLTRELSZ and DT_JMPREL.
8019
8020 2010-01-07  Ian Lance Taylor  <iant@google.com>
8021
8022         PR 11061
8023         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8024         function.
8025         (class Output_data_reloc_generic): Define.
8026         (class Output_data_reloc_base): Change base class to
8027         Output_data_reloc_generic.  Change add() method to call
8028         bump_relative_reloc_count for a relative reloc.  Remove
8029         sort_relocs_ field.
8030         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8031         to sort_relocs().
8032         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8033         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8034         appropriate.
8035         * layout.h (class Layout): Update declaration.
8036
8037 2010-01-07  Ian Lance Taylor  <iant@google.com>
8038
8039         * output.h (class Output_data): Add const version of
8040         output_section and do_output_section.
8041         (class Output_section_data): Add const version of
8042         do_output_section.
8043         (class Output_section): Likewise.
8044         * layout.cc (Layout::add_target_dynamic_tags): New function.
8045         * layout.h (class Layout): Update declarations.
8046         * arm.cc (Target_arm::do_finalize_sections): Use
8047         add_target_dynamic_tags.
8048         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8049         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8050         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8051         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8052
8053 2010-01-07  Ian Lance Taylor  <iant@google.com>
8054
8055         PR 11042
8056         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8057         object as needed.
8058
8059 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8060             Ian Lance Taylor  <iant@google.com>
8061
8062         PR 11019
8063         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8064         Xindex::read_symtab_xindex.
8065
8066 2010-01-07  Doug Kwan  <dougkwan@google.com>
8067
8068         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8069         (Insn_template::thumb16_bcond_insn): New method declaration.
8070         (Insn_template): Fix spelling.
8071         (Stub::thumb16_special): New method declaration.
8072         (Stub::do_write): Define virtual method which was previously pure
8073         virtual.
8074         (Stub::do_thumb16_special): New method declaration.
8075         (Stub::do_fixed_endian_write): New template member.
8076         (Reloc_stub::do_write): Remove.
8077         (Reloc_stub::do_fixed_endian_write): Remove.
8078         (Cortex_a8_stub): New class definition.
8079         (Stub_factory::make_cortex_a8_stub): New method definition.
8080         (Stub_factory::Stub_factory): Add missing static storage class
8081         qualifier for elf32_arm_stub_a8_veneer_blx.
8082
8083 2010-01-07  Ian Lance Taylor  <iant@google.com>
8084
8085         PR 10980
8086         * options.h (class General_options): Add --warn-unresolved-symbols
8087         and --error-unresolved-symbols.
8088         * errors.cc (Errors::undefined_symbol): Implement
8089         --warn-unresolved-symbols.
8090
8091         * options.h (class General_options): Add -z text and -z textoff.
8092         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8093
8094 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8095
8096         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8097         (Garbage_collection::cident_sections): New function.
8098         (Garbage_collection::add_cident_section): New function.
8099         (Garbage_collection::cident_sections_): New member.
8100         (gc_process_relocs): Add references to sections whose names are C
8101         identifiers.
8102         * gold.h (cident_section_start_prefix): New constant.
8103         (cident_section_stop_prefix): New constant.
8104         (is_cident): New function.
8105         * layout.cc (Layout::define_section_symbols): Replace string constants
8106         with the newly defined constants.
8107         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8108         C identifiers.
8109         * testsuite/Makefile.am: Add gc_orphan_section_test.
8110         * testsuite/Makefile.in: Regenerate.
8111         * testsuite/gc_orphan_section_test.cc: New file.
8112         * testsuite/gc_orphan_section_test.sh: New file.
8113
8114 2010-01-06  Ian Lance Taylor  <iant@google.com>
8115
8116         PR 10980
8117         * options.h (class General_options): Add --warn-shared-textrel.
8118         * layout.cc (Layout::finish_dynamic_section): Implement
8119         --warn-shared-textrel.
8120
8121         PR 10980
8122         * options.h (class General_options): Add --warn-multiple-gp.
8123
8124 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8125
8126         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8127         $(THREADSLIB) and $(LIBDL).
8128         * Makefile.in: Rebuild.
8129
8130 2010-01-06  Ian Lance Taylor  <iant@google.com>
8131
8132         PR 10980
8133         * options.cc (General_options::parse_section_start): New function.
8134         (General_options::section_start): New function.
8135         (General_options::General_options): Initialize all members.
8136         * options.h: Include <map>
8137         (class General_options): Add --section-start.  Add section_starts_
8138         member.
8139         * layout.cc (Layout::attach_allocated_section_to_segment): If
8140         --section-start was used, set the address of the segment.  Remove
8141         local sort_sections.
8142         (Layout::relaxation_loop_body): If the address of the load segment
8143         has been set by --section-start, don't use it.
8144         * output.h (Output_segment::update_flags_for_output_section): New
8145         function.
8146         * output.cc (Output_segment::add_output_section): Call
8147         update_flags_for_output_section.
8148
8149 2010-01-05  Ian Lance Taylor  <iant@google.com>
8150
8151         PR 10980
8152         * options.h (class General_options): Add --undefined-version.
8153         * script.cc (struct Version_expression): Add was_matched_by_symbol
8154         field.
8155         (Version_script_info::matched_symbol): New function.
8156         (Version_script_info::get_symbol_version_helper): Call
8157         matched_symbol.
8158         (Version_script_info::check_unmatched_names): New function.
8159         * script.h (class Version_script_info): Update declarations.
8160         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8161
8162         * options.h (class General_options): Use DEFINE_bool_alias for
8163         allow_multiple_definition.
8164         * resolve.cc (Symbol_table::should_override): Don't test
8165         allow_multiple_definition.
8166
8167         PR 10980
8168         * options.h (class General_options): Add --cref.
8169         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8170         until after printing cref table.
8171         * cref.cc: Include "symtab.h".
8172         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8173         (Cref_table_compare::operator()): New function.
8174         (Cref_inputs::gather_cref): New function.
8175         (filecol): New static const.
8176         (Cref_inputs::print_cref): New function.
8177         (Cref::print_cref): New function.
8178         * cref.h: Include <cstdio>.
8179         (class Cref): Update declarations.
8180         * mapfile.h (Mapfile::file): New function.
8181         * object.h (class Object): Define Symbols.  Declare virtual
8182         do_get_global_symbols.
8183         (Object::get_global_symbols): New function.
8184         * object.cc (Input_objects::add_object): Pass object to cref_ if
8185         --cref.
8186         (Input_objects::archive_start): Likewise.
8187         (Input_objects::archive_stop): Likewise.
8188         (Input_objects::print_cref): New function.
8189         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8190         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8191         --cref.
8192         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8193         function.
8194         * plugin.h (class Sized_pluginobj): Update declarations.
8195
8196 2010-01-05  Ian Lance Taylor  <iant@google.com>
8197
8198         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8199         to is_default_version.  Rename insdef to insdefault.
8200         (Symbol_table::add_from_relobj): Rename def to is_default_version
8201         and local to is_forced_local.
8202         (Symbol_table::add_from_pluginobj): Likewise.
8203         (Symbol_table::add_from_dynobj): Likewise.
8204         (Symbol_table::define_special_symbol): Rename insdef to
8205         insdefault.
8206
8207 2010-01-04  Ian Lance Taylor  <iant@google.com>
8208
8209         PR 10980
8210         * options.h (class General_options): Add
8211         --allow-multiple-definition and -z muldefs.
8212         * resolve.cc (Symbol_table::should_override): Don't warn about a
8213         multiple symbol definition if --allow-multiple-definition or -z
8214         muldefs.
8215
8216         PR 10980
8217         * options.h (class General_options): Add --add-needed and
8218         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8219         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8220         error if --copy-dt-needed-entries aka --add-needed is used and
8221         would cause a change in behaviour.
8222
8223         PR 10980
8224         * options.h (class General_options): Add -G as a short version of
8225         --shared.  Add no-op options -assert, -g, and -i.
8226
8227 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8228
8229         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8230         check for .text or .gnu.linkonce.t sections.
8231         * icf.cc (Icf::find_identical_sections): Ditto.
8232         Change the detection for mangled function name within the section
8233         name.
8234         * icf.h (is_section_foldable_candidate): New function.
8235
8236 2009-12-30  Ian Lance Taylor  <iant@google.com>
8237
8238         PR 10980
8239         * options.h (class General_options): Permit two dashes with
8240         --retain-symbols-file.
8241
8242 2009-12-30  Ian Lance Taylor  <iant@google.com>
8243
8244         PR 10979
8245         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8246         don't put the file header and segment headers in the text
8247         segment.
8248
8249         PR 10979
8250         * common.cc (Sort_commons::operator()): Stabilize sort when both
8251         entries are NULL.
8252         (Symbol_table::do_allocate_commons_list): When allocating common
8253         symbols, skip a symbol which is no longer common.
8254         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8255         an object before checking its type.
8256         * testsuite/common_test_2.c: New file.
8257         * testsuite/common_test_3.c: New file.
8258         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8259         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8260         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8261         (common_test_2_pic.o, common_test_2.so): New targets.
8262         (common_test_3_pic.o, common_test_3.so): New targets.
8263         * testsuite/Makefile.in: Rebuild.
8264
8265         PR 10979
8266         * script.cc (read_input_script): If we see a new SECTIONS clause,
8267         and we have added an input section, give an error.
8268         * layout.h (class Layout): Add have_added_input_section function.
8269         Add have_added_input_section_ field.
8270         * layout.cc (Layout::Layout): Initialize
8271         have_added_input_section_.
8272         (Layout::layout): Set have_added_input_section_.
8273         (Layout::layout_eh_frame): Likewise.
8274
8275 2009-12-30  Ian Lance Taylor  <iant@google.com>
8276
8277         PR 10931
8278         * options.h (class General_options): Add --sort-common option.
8279         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8280         * common.cc (Sort_common): Add sort_order parameter to
8281         constructor.  Add sort_order_ field.
8282         (Sort_commons::operator): Check sort_order_.
8283         (Symbol_table::allocate_commons): Determine the sort order.
8284         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8285         Change all callers.
8286         (Symbol_table::do_allocate_commons_list): Likewise.
8287
8288 2009-12-30  Ian Lance Taylor  <iant@google.com>
8289
8290         PR 10916
8291         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8292         symbols from this object, don't change the visibility of an
8293         undefined symbol.
8294         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8295
8296 2009-12-30  Ian Lance Taylor  <iant@google.com>
8297
8298         PR 10861
8299         * script.h (class Version_script_info): Define Language enum.
8300         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8301         new fields globals_, locals_, and is_finalized_.
8302         * script.cc: Various formatting fixes.
8303         (class Parser_closure): Change language_stack_ from a vector of
8304         std::string to one of Version_script_info::Language.  Adjust all
8305         uses accordingly.
8306         (class Lazy_demangler): Remove.
8307         (struct Version_expression): Change language from std::string to
8308         Version_script_info::Language.
8309         (Version_script_info::Version_script_info): New function.
8310         (Version_script_info::~Version_script_info): Don't call clear.
8311         (Version_script_info::finalize): New function.
8312         (Version_script_info::build_lookup_tables): New function.
8313         (Version_script_info::build_expression_list_lookup): New
8314         function.
8315         (Version_script_info::get_symbol_version_helper): Rewrite to use
8316         lookup tables.
8317         (Version_script_info::print_expression_list): Adjust to use
8318         Version_script_info::Language.
8319         (script_push_lex_into_version_mode): Check that the version script
8320         has not been finalized.
8321         (version_script_push_lang): Change language string to
8322         Version_script_info::Language.
8323         * options.cc (Command_line::version_script): New function.
8324         * options.h (class General_options): Add finalize_dynamic_list
8325         function.  Change version_script from declaration to definition.
8326         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8327         * testsuite/version_script.map: Remove duplicate def of foo.
8328         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8329         version_script.map.
8330         * testsuite/Makefile.in: Rebuild.
8331
8332 2009-12-30  Ian Lance Taylor  <iant@google.com>
8333
8334         PR 10843
8335         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8336         if the input symbol index is 0, make the output symbol index 0.
8337
8338 2009-12-30  Ian Lance Taylor  <iant@google.com>
8339
8340         PR 10670
8341         * options.h (class General_options): Add -x/--discard-all.
8342         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8343         --discard-all.  If the local symbol needs a dynamic entry, check
8344         that before handling --discard-locals.
8345
8346 2009-12-30  Ian Lance Taylor  <iant@google.com>
8347
8348         PR 10450
8349         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8350         flags to PF_R.
8351         (Output_segment::add_output_section): Don't change the flags if
8352         the type is PT_TLS.
8353
8354         PR 10450
8355         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8356         GNU hash table if they need a dynamic value.  Otherwise, don't add
8357         them if they are defined in a dynamic object or are forced local.
8358
8359 2009-12-29  Ian Lance Taylor  <iant@google.com>
8360
8361         PR 10450
8362         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8363         .gnu.hash table for a 32-bit target.
8364
8365         PR 10450
8366         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8367         regular and a dynamic object only needs a dynamic symbol table
8368         entry if it is externally visible.
8369
8370         PR 10450
8371         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8372         constructor.  Add global_offset_table_ field.
8373         (Target_i386::got_section): Set global_offset_table_.
8374         (Target_i386::do_finalize_sections): Set global_offset_table_
8375         size.
8376         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8377         in constructor.  Add global_offset_table_ field.
8378         (Target_x86_64::got_section): Set global_offset_table_.
8379         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8380         size.
8381
8382         * layout.cc (Layout::Layout): Initialize increase_relro_.
8383         (Layout::get_output_section): Add is_relro, is_last_relro, and
8384         is_first_non_relro parameters.  Change all callers.
8385         (Layout::choose_output_section): Likewise.
8386         (Layout::add_output_section_data): Likewise.
8387         (Layout::make_output_section): Likewise.
8388         (Layout::set_segment_offsets): Clear increase_relro when using a
8389         linker script.
8390         * layout.h (class Layout): Add increase_relro method.  Add
8391         increase_relro_ field.  Update declarations.
8392         * output.cc (Output_section::Output_section): Initialize
8393         is_last_relro_ and is_first_non_relro_.
8394         (Output_segment::add_output_section): Group relro sections is
8395         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8396         (Output_segment::maximum_alignment): Remove relro handling.
8397         (Output_segment::set_section_addresses): Add increase_relro
8398         parameter.  Change all callers.  Add initial alignment to align
8399         relro sections on separate page.  Remove old relro handling.
8400         (Output_segment::set_section_list_addresses): Remove in_relro
8401         parameter.  Change all callers.
8402         (Output_segment::set_offset): Add increase parameter.  Change all
8403         callers.  Remove old relro handling.
8404         * output.h (class Output_section): Add new methods: is_last_relro,
8405         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8406         Add is_last_relro_ and is_first_non_relro_ fields.
8407         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8408         Create separate .got.plt section.  Call increase_relro.
8409         * x86_64.cc (Target_x86_64::got_section): Likewise.
8410         * testsuite/relro_script_test.t: Add .got.plt.
8411
8412         PR 10450
8413         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8414         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8415         (Layout::finalize): Call set_dynamic_symbol_size.
8416         (Layout::set_dynamic_symbol_size): New function.
8417         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8418         set_dynamic_symbol_size.
8419
8420         PR 10450
8421         * output.h (class Output_section): Add is_entsize_zero_ field.
8422         * output.cc (Output_section::Output_section): Initialize
8423         is_entsize_zero_.
8424         (Output_section::set_entsize): If two different entsizes are
8425         requested, force it to zero.
8426         (Output_section::add_input_section): Set flags for .debug_str
8427         before updating section flags.  Set entsize.
8428         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8429         and SHF_STRING if all input sections have those flags.
8430
8431 2009-12-29   Rafael Espindola  <espindola@google.com>
8432
8433         * main.cc (main): Fix the sys time reporting.
8434         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8435         reporting.
8436
8437 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8438
8439         * options.cc (General_options::parse_version): Allow -v to exit
8440         without an error if there is nothing to link.
8441
8442 2009-12-29  Ian Lance Taylor  <iant@google.com>
8443
8444         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8445         using a version of gcc before 4.1.
8446         * configure: Rebuild.
8447
8448 2009-12-28  Chris Demetriou  <cgd@google.com>
8449
8450         * attributes.cc (Output_attributes_section_data::do_write): Use
8451         std::vector::front rather than std::vector::data.
8452
8453 2009-12-28  Ian Lance Taylor  <iant@google.com>
8454
8455         * symtab.h (class Symbol_table): Add enum Defined.
8456         * resolve.cc (Symbol_table::should_override): Add defined
8457         parameter.  Change all callers.  Test whether object is NULL
8458         before calling a method on it.
8459         (Symbol_table::report_resolve_problem): Add defined parameter.
8460         Change all callers.
8461         (Symbol_table::should_override_with_special): Likewise.
8462         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8463         parameter.  Change all callers.
8464         (Symbol_table::do_define_in_output_data): Likewise.
8465         (Symbol_table::define_in_output_segment): Likewise.
8466         (Symbol_table::do_define_in_output_segment): Likewise.
8467         (Symbol_table::define_as_constant): Likewise.
8468         (Symbol_table::do_define_as_constant): Likewise.
8469         * script.h (class Symbol_assignment): Add is_defsym parameter to
8470         constructor; change all callers.
8471         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8472         parameter.  Change all callers.  Add is_defsym_ field.
8473         (class Parser_closure): Add parsing_defsym parameter to
8474         constructor; change all callers.  Add parsing_defsym accessor
8475         function.  Add parsing_defsym_ field.
8476
8477 2009-12-28  Ian Lance Taylor  <iant@google.com>
8478
8479         * gold.cc (queue_middle_tasks): Fix formatting.
8480         * object.cc (Relobj::is_section_name_included): Likewise.
8481
8482 2009-12-23  Ian Lance Taylor  <iant@google.com>
8483
8484         * i386.cc (Target_i386::do_calls_non_split): Recognize
8485         -fsplit-stack prologue for a function with a static chain.
8486         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8487         -fsplit-stack prologue when using %r11.
8488
8489 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8490
8491         * options.cc (General_options::parse_version): Make -v continue and do
8492         the link like GNU ld does.
8493
8494 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8495
8496         * Makefile.am (CCFILES): Add timer.cc.
8497         (HFILES): Add timer.h.
8498         * configure.ac: Check for sysconf and times.
8499         * main.cc: include timer.h.
8500         (main): Use Timer instead of get_run_time.
8501         * timer.cc: New.
8502         * timer.h: New.
8503         * workqueue.cc: include timer.h.
8504         (Workqueue::find_and_run_task):
8505         Report user, sys and wall time.
8506         * Makefile.in: Regenerate.
8507         * config.in: Regenerate.
8508         * configure: Regenerate.
8509
8510 2009-12-16  Doug Kwan  <dougkwan@google.com>
8511
8512         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8513         sections.
8514         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8515         relaxed input sections.
8516         * output.cc (Output_section::find_relaxed_input_section): Change
8517         return type to Output_relaxed_input_section pointer.  Adjust code
8518         for new type of relaxed_input_section_map_.
8519         * output.h (Output_section::find_relaxed_input_section): Change
8520         return type to Output_relaxed_input_section pointer.
8521         (Output_section::Output_relaxed_input_section_by_input_section_map):
8522         New type.
8523         (Output_section::relaxed_input_section_map_): Change type to
8524         Output_section::Output_relaxed_input_section_by_input_section_map.
8525         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8526         input section.
8527
8528 2009-12-15  Ian Lance Taylor  <iant@google.com>
8529
8530         * layout.cc (Layout::create_shstrtab): Only write out after input
8531         sections if we are compressing debug sections.
8532
8533 2009-12-15  Ian Lance Taylor  <iant@google.com>
8534
8535         * archive.cc (Archive::add_symbols): Only look up a symbol without
8536         a version if there is, in fact, a version.
8537
8538 2009-12-14  Ian Lance Taylor  <iant@google.com>
8539
8540         Revert -Wshadow changes, all changes from:
8541         2009-12-11  Doug Kwan  <dougkwan@google.com>
8542         2009-12-11  Nick Clifton  <nickc@redhat.com>
8543         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8544
8545 2009-12-11  Doug Kwan  <dougkwan@google.com>
8546
8547         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8548         due to -Wshadow.
8549         * attributes.cc (Object_attribute::size): Ditto.
8550         (Attributes_section_data::size): Ditto.
8551         (Attributes_section_data::Attributes_section_data): Ditto.
8552         (Output_attributes_section_data::do_write): Ditto.
8553         * attributes.h (Object_attribute::set_type): Ditto.
8554         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8555
8556 2009-12-11  Nick Clifton  <nickc@redhat.com>
8557
8558         * archive.cc: Fix shadowed variable warnings.
8559         * arm.cc: Likewise.
8560         * compressed_output.cc: Likewise.
8561         * compressed_output.h: Likewise.
8562         * configure: Likewise.
8563         * dwarf_reader.cc: Likewise.
8564         * dynobj.cc: Likewise.
8565         * dynobj.h: Likewise.
8566         * ehframe.cc: Likewise.
8567         * ehframe.h: Likewise.
8568         * errors.cc: Likewise.
8569         * expression.cc: Likewise.
8570         * fileread.cc: Likewise.
8571         * fileread.h: Likewise.
8572         * freebsd.h: Likewise.
8573         * i386.cc: Likewise.
8574         * icf.cc: Likewise.
8575         * incremental.h: Likewise.
8576         * layout.cc: Likewise.
8577         * layout.h: Likewise.
8578         * mapfile.cc: Likewise.
8579         * merge.cc: Likewise.
8580         * merge.h: Likewise.
8581         * object.cc: Likewise.
8582         * object.h: Likewise.
8583         * options.h: Likewise.
8584         * output.cc: Likewise.
8585         * output.h: Likewise.
8586         * parameters.cc: Likewise.
8587         * plugin.cc: Likewise.
8588         * powerpc.cc: Likewise.
8589         * reduced_debug_output.cc: Likewise.
8590         * reduced_debug_output.h: Likewise.
8591         * reloc.cc: Likewise.
8592         * reloc.h: Likewise.
8593         * resolve.cc: Likewise.
8594         * script-sections.cc: Likewise.
8595         * script.cc: Likewise.
8596         * script.h: Likewise.
8597         * sparc.cc: Likewise.
8598         * symtab.cc: Likewise.
8599         * symtab.h: Likewise.
8600         * target-select.cc: Likewise.
8601         * target-select.h: Likewise.
8602         * token.h: Likewise.
8603         * workqueue.cc: Likewise.
8604         * workqueue.h: Likewise.
8605         * x86_64.cc: Likewise.
8606
8607 2009-12-10  Doug Kwan  <dougkwan@google.com>
8608
8609         * arm.cc (attributes.h): New include.
8610         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8611         (Arm_relobj::~Arm_relobj): Delete object pointed by
8612         attributes_section_data_.
8613         (Arm_relobj::attributes_section_data): New method definition.
8614         (Arm_relobj::attributes_section_data_): New data member declaration.
8615         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8616         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8617         attributes_section_data_.
8618         (Arm_dynobj::attributes_section_data): New method definition.
8619         (Arm_dynobj::attributes_section_data_): New data member declaration.
8620         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8621         initialization value of may_use_blx_ to false.
8622         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8623         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8624         object attributes to compute results instead of hard-coding.
8625         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8626         Target_arm::get_secondary_compatible_arch,
8627         Target_arm::set_secondary_compatible_arch
8628         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8629         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8630         New method declarations.
8631         (Target_arm::get_aeabi_object_attribute): New method definition.
8632         (Target_arm::attributes_section_data_): New data member declaration.
8633         (read_arm_attributes_section): New template definition.
8634         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8635         (Arm_dynobj::do_read_symbols): Ditto.
8636         (Target_arm::do_finalize_sections): Merge attributes sections from
8637         input.  Check for BLX use after attributes section merging.
8638         Fix __exidx_start and __exidx_end visibility.  Create an
8639         .ARM.attributes section if necessary.
8640         (Target_arm::get_secondary_compatible_arch,
8641         Target_arm::set_secondary_compatible_arch,
8642         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8643         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8644         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8645         New method definitions.
8646
8647 2009-12-09  Ian Lance Taylor  <iant@google.com>
8648
8649         * plugin.cc (Plugin::load): Don't cast from void* to a function
8650         pointer.
8651
8652 2009-12-09  Ian Lance Taylor  <iant@google.com>
8653
8654         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8655         information fields.
8656
8657 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8658
8659         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8660         Replace two_file_shared_1.so with two_file_shared_2.so.
8661         * testsuite/Makefile.in: Regenerated.
8662
8663 2009-12-08  Doug Kwan  <dougkwan@google.com>
8664
8665         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8666         (HFILES): Add attributes.h and int_encoding.h.
8667         * Makefile.in: Regenerate.
8668         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8669         function definitions to int_encoding.cc
8670         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8671         prototypes to int_encoding.h
8672         * reduced_debug_output.cc (int_encoding.h): New include.
8673         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8674         function definitions to int_encoding.cc
8675         (insert_into_vector, read_from_pointer): Move template definitions to
8676         int_encoding.h
8677         * attributes.cc: New file.
8678         * attributes.h: New file.
8679         * int_encoding.cc: New file.
8680         * int_encoding.h: New file.
8681
8682 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8683
8684         PR gold/11055
8685         * incremental-dump.cc (dump_incremental_inputs): New.
8686         (main): Use dump_incremental_inputs.
8687
8688 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8689
8690         PR gold/10893
8691         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8692         checking elfcpp::STT_FUNC.
8693         (Target_i386::Relocate::relocate): Likewise.
8694         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8695
8696         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8697         symbols from shared libraries into normal FUNC symbols.
8698
8699         * symtab.h (Symbol): Add is_func and use it.
8700
8701 2009-12-05  Doug Kwan  <dougkwan@google.com>
8702
8703         * arm.cc (Target_arm::arm_info): Initialize new fields
8704         attributes_section and attributes_vendor.
8705         * i386.cc (Target_i386::i386_info): Same.
8706         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8707         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8708         fields attributes_section and attributes_vendor.
8709         * sparc.cc (Target_sparc::sparc_info): Same.
8710         * target.h (Target::attributes_section, Target::attributes_vendor,
8711         Target::is_attributes_section, Target::attribute_arg_type,
8712         Target::attributes_order): New method definitions.
8713         (Target::Target_info::attributes_section,
8714         Target::Target_info::attributes_vendor): New fields.
8715         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8716         virtual method definitions.
8717         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8718         attributes_section and attributes_vendor.
8719         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8720
8721 2009-12-05  Doug Kwan  <dougkwan@google.com>
8722
8723         * arm.cc: Update comments about interworking and stub generation.
8724         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8725         considered as non-PIC.
8726         (Arm_relocate_functions::base_abs): Fix formatting.
8727         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8728         of function to use GOT entry address instead of offset.
8729         (Target_arm::Scan::global): Issue an error if a symbol would need a
8730         PLT does not get one because it is untyped.  Remove code to create
8731         dynamic symbols for relative branches.
8732         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8733         takes unsigned integer instead of boolean.
8734
8735 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8736
8737         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8738         (two_file_test_LDADD): Likewise.
8739         (common_test_1_LDADD): Likewise.
8740         (exception_test_LDADD) Likewise.
8741         (weak_test_LDADD): Likewise.
8742         (many_sections_test_LDADD): Likewise.
8743         (initpri1_LDADD): Likewise.
8744         (script_test_1_LDADD): Likewise.
8745         (script_test_2_LDADD): Likewise.
8746         (justsyms_LDADD): Likewise.
8747         (binary_test_LDADD): Likewise.
8748         (large_LDADD): Likewise.
8749         * testsuite/Makefile.in: Regenerated.
8750
8751 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8752
8753         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8754         (Symbol_table::override_with_special): Likewise.
8755         (Symbol_table::add_from_object): Likewise.
8756
8757 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8758
8759         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8760         Don't set the data_offset twice.
8761
8762 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8763
8764         * testsuite/Makefile.in: Regenerate.
8765
8766 2009-12-03  Doug Kwan  <dougkwan@google.com>
8767
8768         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8769         (Target_arm::do_finalize_sections): Add parameter for symbol table
8770         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8771         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8772         parameter for symbol table pointer.
8773         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8774         an additional parameter for a pointer to symbol table.
8775         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8776         parameter for a symbol table pointer.
8777         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8778         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8779         Ditto.
8780         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8781         parameter for a symbol table pointer.
8782
8783 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8784
8785         * incremental.cc (Incremental_inputs_header)
8786         (Incremental_inputs_header_write, Incremental_inputs_entry)
8787         (Incremental_inputs_entry_write): Move ...
8788         * incremental.h (Incremental_inputs_header)
8789         (Incremental_inputs_header_write, Incremental_inputs_entry)
8790         (Incremental_inputs_entry_write): here.
8791
8792 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8793
8794         * incremental.cc (make_sized_incremental_binary): Set the target.
8795         Error if it is incompatible.
8796         * output.h (Output_file): Add filename method.
8797
8798 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8799
8800         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8801         from the get_* methods.
8802
8803 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8804
8805         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8806         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8807         Write 0 for the data_offset of scripts.
8808
8809 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8810
8811         * testsuite/Makefile.am: Add the incremental_test.sh test.
8812         * testsuite/incremental_test.sh: New.
8813         * testsuite/incremental_test_1.c: New.
8814         * testsuite/incremental_test_2.c: New.
8815
8816 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8817
8818         * incremental-dump.cc (main): Fix typos.
8819
8820 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8821
8822         PR gold/11025
8823         * incremental-dump.cc (main): Use llu to print 64 bit values.
8824
8825 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8826             H.J. Lu  <hongjiu.lu@intel.com>
8827
8828         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8829         $(LIBDL).
8830         (incremental_dump_LDADD): Likewise.
8831         * Makefile.in: Regenerated.
8832
8833 2009-11-25  Doug Kwan  <dougkwan@google.com>
8834
8835         Revert:
8836
8837         2009-11-25  Doug Kwan  <dougkwan@google.com>
8838
8839                 * arm.cc (Target_arm::Target_arm): Move method definition
8840                 outside of class definition.  Add code to handle
8841                 --target1-rel, --target1-abs and --target2= options.
8842                 (Target_arm::get_reloc_reloc_type): Change method to be
8843                 non-static and const.
8844                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8845                 New data member declaration.
8846                 (Target_arm::Scan::local, Target_arm::Scan::global,
8847                 Target_arm::Relocate::relocate,
8848                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8849                 Adjust call to Target_arm::get_real_reloc_type.
8850                 (Target_arm::get_real_reloc_type): Use command line options
8851                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8852                 * options.h (--target1-rel, --target1-abs, --target2): New
8853                 ARM-only options.
8854
8855 2009-11-25  Doug Kwan  <dougkwan@google.com>
8856
8857         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8858         class definition.  Add code to handle --target1-rel, --target1-abs
8859         and --target2= options.
8860         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8861         and const.
8862         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8863         member declaration.
8864         (Target_arm::Scan::local, Target_arm::Scan::global,
8865         Target_arm::Relocate::relocate,
8866         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8867         call to Target_arm::get_real_reloc_type.
8868         (Target_arm::get_real_reloc_type): Use command line options to
8869         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8870         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8871         options.
8872
8873 2009-11-25  Doug Kwan  <dougkwan@google.com>
8874
8875         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8876         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8877         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8878         formatting.
8879         (Arm_relocate_functions::thm_call): Replace body with a call to
8880         Arm_relocate_functions::thumb_branch_common.
8881         (Arm_relocate_functions::thm_jump24,
8882         Arm_relocate_functions::thm_xpc22): New method definitions.
8883         (Arm_relocate_functions::thumb_branch_common): New method definition.
8884         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8885         operator.
8886         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8887         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8888
8889 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8890
8891         * Makefile.am: Build incremental-dump
8892         * Makefile.in: Regenerate.
8893         * incremental-dump.cc: New.
8894         * incremental.cc (Incremental_inputs_header_data,
8895         Incremental_inputs_entry_data): Move to incremental.h
8896         * incremental.h: (Incremental_inputs_header_data,
8897         Incremental_inputs_entry_data): Move from incremental.cc
8898
8899 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8900
8901         * incremental.cc (Incremental_inputs_header,
8902         Incremental_inputs_header_write, Incremental_inputs_entry,
8903         Incremental_inputs_entry_write): Add a typedef with the data type.
8904
8905 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8906
8907         * incremental.cc (Incremental_inputs_header,
8908         Incremental_inputs_header_write, Incremental_inputs_entry,
8909         Incremental_inputs_entry_write): Update comment about which
8910         type has the filed descriptions.
8911
8912 2009-11-15  Doug Kwan  <dougkwan@google.com>
8913
8914         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8915         (Arm_relocate_functions::arm_branch_common): Change method defintion
8916         in class definition to a method declaration and update list of formal
8917         parameters.
8918         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8919         Arm_relocation_functions::jump24): Adjust call to
8920         Arm_relocate_functions::arm_branch_common.  Update list of formal
8921         parameters.
8922         (Arm_relocate_functions::xpc25): New method definition.
8923         (Arm_relocate_functions::arm_branch_common): Move method defintion
8924         out from class definition.  Use stubs for mode-switching and extending
8925         branch ranges.
8926         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8927         specially.  Change code to enable use of stubs in ARM branches.
8928
8929 2009-11-10  Doug Kwan  <dougkwan@google.com>
8930
8931         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8932         in method declaration.
8933         (Target_arm::relocate_stub): New method declaration.
8934         (Target_arm::default_target): Change to return a pointer instead of
8935         a const reference.
8936         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8937         Target_arm::default_target.
8938         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8939         method definition.
8940         (Target_arm::relocate_section): Adjust view.
8941         (Target_arm::relocate_stub): New method definition.
8942
8943 2009-11-10  Doug Kwan  <dougkwan@google.com>
8944
8945         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8946         a format warning.
8947         * incremental.cc (open_incremental_binary): Initialized local
8948         variables to avoid warnings.
8949         * object.cc (make_elf_object): Ditto.
8950         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8951         a format warning.
8952
8953 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8954
8955         PR gold/10930
8956         * testsuite/plugin_test.c: Include "config.h".
8957
8958 2009-11-09  Doug Kwan  <dougkwan@google.com>
8959
8960         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8961         (arm_symbol_value): Remove.
8962         (Arm_relocate_functions::arm_branch_common,
8963         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8964         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8965         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8966         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8967         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8968         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8969         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8970         Arm_relocate_functions::thm_mobw_abs_nc,
8971         Arm_relocate_functions::thm_mov_abs,
8972         Arm_relocate_functions::movw_prel_nc,
8973         Arm_relocate_functions::thm_movt_abs,
8974         Arm_relocate_functions::movt_prel,
8975         Arm_relocate_functions::thm_movw_prel_nc,
8976         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8977         (Target_arm::Relocate::relocate): Only decompose address into two
8978         parts if relocation type uses the thumb-bit and pass the actual
8979         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8980         calls to methods in Arm_relocate_functions for this change.
8981
8982 2009-11-08  Ian Lance Taylor  <iant@google.com>
8983
8984         PR 10925
8985         * reloc.cc: Instantiate
8986         Sized_relobj::initialize_input_to_output_maps and
8987         Sized_relobj:free_input_to_output_maps.
8988
8989 2009-11-06  Ian Lance Taylor  <iant@google.com>
8990
8991         PR 10876
8992         * defstd.cc (in_segment): Set only_if_ref true for "end".
8993
8994 2009-11-06  Doug Kwan  <dougkwan@google.com>
8995
8996         * arm.cc (class Reloc_stub): Correct a comment.
8997         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8998         (Target_arm::scan_section_for_stubs): New method declaration.
8999         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9000         Change methods from private to protected.
9001         (Target_arm::do_may_relax): New method definition.
9002         (Target_arm::do_relax, Target_arm::group_sections,
9003         Target_arm::scan_reloc_for_stub,
9004         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9005         (Target_arm::arm_input_section_map_): New data member declaration.
9006         (Target_arm::scan_reloc_for_stub,
9007         Target_arm::scan_reloc_section_for_stubs,
9008         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9009         Target_arm::do_relax): New method definitions.
9010
9011 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9012
9013         * configure.ac: Check for (struct stat)::st_mtim
9014         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9015         * config.in: Regenerate.
9016         * configure: Regenerate.
9017
9018 2009-11-05  Ian Lance Taylor  <iant@google.com>
9019
9020         PR 10910
9021         * output.cc (Output_segment::add_output_section): Add missing
9022         return statement.
9023
9024 2009-11-04  Ian Lance Taylor  <iant@google.com>
9025
9026         PR 10880
9027         * object.h (class Object): Add is_needed and set_is_needed
9028         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9029         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9030         defined in a dynamic object and referenced by a regular object,
9031         set is_needed for the dynamic object.
9032         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9033         if the file is marked with as_needed and it is not needed.
9034
9035 2009-11-04  Ian Lance Taylor  <iant@google.com>
9036
9037         PR 10887
9038         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9039         tags if data is discarded by linker script.
9040         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9041         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9042         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9043         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9044
9045 2009-11-04  Ian Lance Taylor  <iant@google.com>
9046
9047         * layout.cc (Layout::get_output_section): Add is_interp and
9048         is_dynamic_linker_section parameters.  Change all callers.
9049         (Layout::choose_output_section): Likewise.
9050         (Layout::make_output_section): Likewise.
9051         (Layout::add_output_section_data): Add is_dynamic_linker_section
9052         parameter.  Change all callers.
9053         * layout.h (class Layout): Update declarations.
9054         * output.h (class Output_section): Add is_interp, set_is_interp,
9055         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9056         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9057         generate_code_fills_at_write_ to a bitfield.
9058         * output.cc (Output_section::Output_sections): Initialize new
9059         fields.
9060         (Output_segment::add_output_section): Add do_sort parameter.
9061         Change all callers.
9062
9063 2009-11-03  Ian Lance Taylor  <iant@google.com>
9064
9065         PR 10860
9066         * options.h (class General_options): Add --warn-common.
9067         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9068         merging two common symbols.
9069         (Symbol_table::should_override): Handle --warn-common when merging
9070         a common symbol with a defined symbol.  Use report_resolve_problem
9071         for multiple definitions.
9072         (Symbol_table::report_resolve_problem): New function.
9073         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9074
9075 2009-11-03  Doug Kwan  <dougkwan@google.com>
9076
9077         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9078         stub_factory_.
9079         (Target_arm::stub_factory): New method definition.
9080         (Target_arm::new_arm_input_section,
9081         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9082         Target_arm::reloc_uses_thumb_bit): New method declarations.
9083         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9084         New type definitions.
9085         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9086         member declarations.
9087         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9088         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9089         New method definitions.
9090
9091 2009-11-03  Ian Lance Taylor  <iant@google.com>
9092
9093         * options.h (class General_options): Add --warn_constructors.
9094
9095 2009-11-03  Ian Lance Taylor  <iant@google.com>
9096
9097         PR 10893
9098         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9099         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9100
9101 2009-11-03  Ian Lance Taylor  <iant@google.com>
9102
9103         PR 10895
9104         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9105         --msgid-bugs-address.
9106         (install-pdf): New target.
9107         (install-data_yes): Look up one directory to find mkinstalldirs.
9108
9109 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9110
9111         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9112         tree.
9113
9114 2009-10-30  Doug Kwan  <dougkwan@google.com>
9115
9116         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9117
9118 2009-10-30  Doug Kwan  <dougkwan@google.com>
9119
9120         * arm.cc (Stub_addend_reader): New struct template definition
9121         and partial specializations.
9122         (Stub_addend_reader::operator()): New method definition for a
9123         partially specialized template.
9124
9125 2009-10-30  Doug Kwan  <dougkwan@google.com>
9126
9127         * arm.cc (Arm_relobj::processor_specific_flags): New method
9128         definition.
9129         (Arm_relobj::do_read_symbols): New method declaration.
9130         (Arm_relobj::processor_specific_flags_): New data member declaration.
9131         (Arm_dynobj): New class definition.
9132         (Target_arm::do_finalize_sections): Add input_objects parameter.
9133         (Target_arm::do_adjust_elf_header): New method declaration.
9134         (Target_arm::are_eabi_versions_compatible,
9135         (Target_arm::merge_processor_specific_flags): New method declaration.
9136         (Target_arm::do_make_elf_object): New overloaded method definitions
9137         and declaration.
9138         (Arm_relobj::do_read_symbols): New method definition.
9139         (Arm_dynobj::do_read_symbols): Ditto.
9140         (Target_arm::do_finalize_sections): Add input_objects parameters.
9141         Merge processor-specific flags from all input objects.
9142         (Target_arm::are_eabi_versions_compatible,
9143         Target_arm::merge_processor_specific_flags,
9144         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9145         New method definitions.
9146         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9147         Input_objects pointer type parameter.
9148         * layout.cc (Layout::finalize): Pass input objects to target's.
9149         finalize_sections function.
9150         * output.cc (Output_file_header::do_sized_write): Set ELF file
9151         header's processor-specific flags.
9152         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9153         Input_objects pointer type parameter.
9154         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9155         * target.h (Input_objects): New forward class declaration.
9156         (Target::processor_specific_flags,
9157         Target::are_processor_specific_flags_sect): New method definitions.
9158         (Target::finalize_sections): Add input_objects parameter.
9159         (Target::Target): Initialize processor_specific_flags_ and
9160         are_processor_specific_flags_set_.
9161         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9162         parameter.
9163         (Target::set_processor_specific_flags): New method definition.
9164         (Target::processor_specific_flags_,
9165         Target::are_processor_specific_flags_set_): New data member
9166         declarations.
9167         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9168         Input_objects pointer type parameter.
9169
9170 2009-10-30  Doug Kwan  <dougkwan@google.com>
9171
9172         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9173
9174 2009-10-28  Ian Lance Taylor  <iant@google.com>
9175
9176         * object.h (class Relobj): Drop options parameter from
9177         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9178         do_scan_relocs, do_relocate.  Change all callers.
9179         (class Sized_relobj): Drop options parameters from
9180         do_gc_process_relocs, do_scan_relocs, do_relocate,
9181         do_relocate_sections, relocate_sections, emit_relocs_scan,
9182         emit_relocs_scan_reltype.  Change all callers.
9183         (struct Relocate_info): Remove options field and all references to
9184         it.
9185         * reloc.h (class Read_relocs): Remove options constructor
9186         parameter and options_ field.  Change all callers.
9187         (class Gc_process_relocs, class Scan_relocs): Likewise.
9188         (class Relocate_task): Likewise.
9189         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9190         all callers.
9191         (scan_relocatable_relocs): Likewise.
9192         * target.h (class Sized_target): Remove options parameter from
9193         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9194         all callers.
9195         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9196         callers.
9197         * arm.cc: Update functions to remove options parameters.
9198         * i386.cc: Likewise.
9199         * powerpc.cc: Likewise.
9200         * sparc.cc: Likewise.
9201         * x86_64.cc: Likewise.
9202         * testsuite/testfile.cc: Likewise.
9203
9204 2009-10-28  Doug Kwan  <dougkwan@google.com>
9205
9206         * arm.cc (Arm_relobj): New class definition.
9207         (Arm_relobj::scan_sections_for_stubs,
9208         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9209         New method definitions.
9210
9211 2009-10-28  Cary Coutant  <ccoutant@google.com>
9212
9213         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9214         (Plugin::cleanup_done_): New member.
9215         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9216         (Plugin_manager::cleanup_done_): Remove.
9217         (Plugin_manager::add_input_file): Edit error message.
9218         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9219         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9220
9221 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9222
9223         * fileread.cc: (File_read::View::~View): Use the new
9224         data_ownership_ filed.
9225         (File_read::~File_read): Dispose the new whole_file_view_.
9226         (File_read::open): Mmap the whole file if needed.
9227         (File_read::open): Use whole_file_view_ instead of contents_.
9228         (File_read::find_view): Use whole_file_view_ if applicable.
9229         (File_read::do_read): Use whole_file_view_ instead of contents_.
9230         (File_read::make_view): Use whole_file_view_ instead of contents_,
9231         update File_read::View::View call.
9232         (File_read::find_or_make_view): Update File_read::View::View
9233         call.
9234         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9235         remove contents_
9236         (File_read::View::Data_ownership): New enum.
9237         (File_read::View::View): Replace bool mapped_ with Data_ownership
9238         argument.
9239         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9240         (File_read::View::data_ownership_): New field.
9241         (File_read::contents_): Remove (replaced by whole_file_view_).
9242         (File_read::whole_file_view_): New field.
9243         * options.h (class General_options): Add --keep-files-mapped.
9244
9245 2009-10-27  Cary Coutant  <ccoutant@google.com>
9246
9247         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9248         * testsuite/Makefile.am (plugin_test_5): New test case.
9249         * testsuite/Makefile.in: Regenerate.
9250
9251 2009-10-25  Doug Kwan  <dougkwan@google.com>
9252
9253         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9254         from private to protected to allow access by child class.
9255         (Sized_relobj::do_relocate_sections): New method declaration.
9256         (Sized_relobj::relocate_sections): Virtualize.
9257         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9258         Sized_relobj::relocate_sections.  Instantiate template explicitly
9259         for different target sizes and endianity.
9260
9261 2009-10-24  Doug Kwan  <dougkwan@google.com>
9262
9263         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9264         (Arm_input_section::as_arm_input_section): New method.
9265         (Arm_output_section): New class definition.
9266         (Arm_output_section::create_stub_group,
9267         Arm_output_section::group_sections): New method definitions.
9268
9269 2009-10-22  Doug Kwan  <dougkwan@google.com>
9270
9271         * arm.cc (Arm_input_section): New class definition.
9272         (Arm_input_section::init, Arm_input_section:do_write,
9273         Arm_input_section::set_final_data_size,
9274         Arm_input_section::do_reset_address_and_file_offset): New method
9275         definitions.
9276
9277 2009-10-21  Doug Kwan  <dougkwan@google.com>
9278
9279         * arm.cc (Stub_table, Arm_input_section): New forward class
9280         declarations.
9281         (Stub_table): New class defintion.
9282         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9283         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9284         New method definition.
9285
9286 2009-10-21  Doug Kwan  <dougkwan@google.com>
9287
9288         * arm.cc: Update copyright comments.
9289         (Target_arm): New forward class template declaration.
9290         (Arm_address): New type.
9291         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9292         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9293         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9294         constants.
9295         (Insn_template): Same.
9296         (DEF_STUBS): New macro.
9297         (Stub_type): New enum type.
9298         (Stub_template): New class definition.
9299         (Stub): Same.
9300         (Reloc_stub): Same.
9301         (Stub_factory): Same.
9302         (Target_arm::Target_arm): Initialize may_use_blx_ and
9303         should_force_pic_veneer_.
9304         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9305         Target_arm::should_force_pic_veneer,
9306         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9307         Target_arm::using_thumb_only, Target_arm:;default_target): New
9308         method defintions.
9309         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9310         New data member declarations.
9311         (Insn_template::size, Insn_template::alignment): New method defintions.
9312         (Stub_template::Stub_template): New method definition.
9313         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9314         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9315         (Stub_factory::Stub_factory): New method definition.
9316         * gold.h (string_hash): New template.
9317         * output.h (Input_section_specifier::hash_value): Use
9318         gold::string_hash.
9319         (Input_section_specifier::string_hash): Remove.
9320         * stringpool.cc (Stringpool_template::string_hash): Use
9321         gold::string_hash.
9322
9323 2009-10-20  Doug Kwan  <dougkwan@google.com>
9324
9325         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9326         symbols of relaxed input sections.
9327         * output.h (Output_section::find_relaxed_input_section): Make
9328         method public.
9329
9330 2009-10-16  Doug Kwan  <dougkwan@google.com>
9331
9332         * dynobj.cc (Versions::Versions): Initialize version_script_.
9333         Only insert base version symbol definition for a shared object
9334         if version script defines any version versions.
9335         (Versions::define_base_version): New method definition.
9336         (Versions::add_def): Check that base version is not needed.
9337         (Versions::add_need): Define base version lazily.
9338         * dynobj.h (Versions::define_base_version): New method declaration.
9339         (Versions::needs_base_version_): New data member declaration.
9340         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9341         (check_DATA): Add no_version_test.stdout.
9342         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9343         New make rules.
9344         * testsuite/Makefile.in: Regenerate.
9345         * testsuite/no_version_test.c: New file.
9346         * testsuite/no_version_test.sh: Ditto.
9347
9348 2009-10-16  Doug Kwan  <dougkwan@google.com>
9349
9350         * expression.cc (class Segment_start_expression): New class definition.
9351         (Segment_start_expression::value): New method definition.
9352         (script_exp_function_segment_start): Return a new
9353         Segment_start_expression.
9354         * gold/script-c.h (script_saw_segment_start_expression): New function
9355         prototype.
9356         * script-sections.cc (Script_sections::Script_sections): Initialize
9357         SAW_SEGMENT_START_EXPRESSION_ to false.
9358         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9359         and -Tbbs options to specify section addresses if given in
9360         command line and no SEGMENT_START expression is seen in a script.
9361         * script-sections.h (Script_sections::saw_segment_start_expression,
9362         Script_sections::set_saw_segment_start_expression): New method
9363         definition.
9364         (Script_sections::saw_segment_start_expression_): New data member
9365         declaration.
9366         * script.cc (script_saw_segment_start_expression): New function.
9367         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9368         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9369         script_test_7.sh and script_test_8.sh.
9370         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9371         script_test_8.stdout.
9372         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9373         (script_test_6, script_test_6.stdout, script_test_7,
9374         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9375         * Makefile.in: Regenerate.
9376         * testsuite/script_test_6.sh: New file.
9377         * testsuite/script_test_6.t: Same.
9378         * testsuite/script_test_7.sh: Same.
9379         * testsuite/script_test_7.t: Same.
9380         * testsuite/script_test_8.sh: Same.
9381
9382 2009-10-16  Doug Kwan  <dougkwan@google.com>
9383
9384         * output.cc (Output_segment::set_section_list_address): Cast
9385         expressions to unsigned long long type to avoid format warnings.
9386
9387 2009-10-15  Ian Lance Taylor  <iant@google.com>
9388
9389         * script.cc (Script_options::add_symbol_assignment): Always add a
9390         dot assignment to script_sections_.
9391         * script-sections.cc (Script_sections::add_dot_assignment):
9392         Initialize if necessary.
9393
9394         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9395         program headers with no load segment if there is a linker script.
9396
9397         * layout.cc (Layout::set_segment_offsets): Align the file offset
9398         to the segment aligment for -N or -n with no load segment.
9399         * output.cc (Output_segment::add_output_section): Don't crash if
9400         the first section is a TLS section.
9401         (Output_segment::set_section_list_addresses): Print an error
9402         message if the address moves backward in a linker script.
9403         * script-sections.cc
9404         (Output_section_element_input::set_section_addresses): Don't
9405         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9406         (Orphan_output_section::set_section_addresses): Likewise.
9407
9408 2009-10-15  Doug Kwan  <dougkwan@google.com>
9409
9410         * layout.cc (Layout::finish_dynamic_section): Generate tags
9411         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9412         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9413         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9414
9415 2009-10-14  Ian Lance Taylor  <iant@google.com>
9416
9417         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9418         fields.
9419         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9420         data_shdr fields of relinfo.
9421         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9422         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9423         R_386_TLS_LDO_32, adjust based on section flags.
9424         (Target_i386::Relocate::fix_up_ldo): Remove.
9425
9426 2009-10-13  Ian Lance Taylor  <iant@google.com>
9427
9428         Add support for -pie.
9429         * options.h (class General_options): Add -pie and
9430         --pic-executable.
9431         (General_options::output_is_position_independent): Test -pie.
9432         (General_options::output_is_executable): Return true if not shared
9433         and not relocatable.
9434         (General_options::output_is_pie): Remove.
9435         * options.cc (General_options::finalize): Reject incompatible uses
9436         of -pie.
9437         * gold.cc (queue_middle_tasks): A -pie link is not static.
9438         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9439         * symtab.cc (Symbol::final_value_is_known): Return false if
9440         output_is_position_independent.
9441         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9442         output_is_position_independent.
9443         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9444         output_is_position_independent.
9445         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9446         output_is_position_independent.
9447         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9448         two_file_pie_test.
9449         (basic_pie_test.o, basic_pie_test): New targets.
9450         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9451         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9452         (two_file_pie_test): New target.
9453         * testsuite/Makefile.in: Rebuild.
9454         * README: Remove note saying that -pie is not supported.
9455
9456 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9457
9458         * options.h (class General_options): Add -init and -fini.
9459         * layout.cc (Layout::finish_dynamic_section): Emit
9460         given init and fini functions.
9461
9462 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9463
9464         * gc.h (gc_process_relocs): Check if icf is enabled using new
9465         function.
9466         * gold.cc (queue_initial_tasks): Likewise.
9467         (queue_middle_tasks): Likewise.
9468         * object.cc (do_layout): Likewise.
9469         * symtab.cc (is_section_folded): Likewise.
9470         * main.cc (main): Likewise.
9471         * reloc.cc (Read_relocs::run): Likewise.
9472         (Sized_relobj::do_scan_relocs): Likewise.
9473         * icf.cc (is_function_ctor_or_dtor): New function.
9474         (Icf::find_identical_sections): Check if function is ctor or dtor when
9475         safe icf is chosen.
9476         * options.h (General_options::icf): Change option to be an enum.
9477         (Icf_status): New enum.
9478         (icf_enabled): New method.
9479         (icf_safe_folding): New method.
9480         (set_icf_status): New method.
9481         (icf_status_): New variable.
9482         * (options.cc) (General_options::finalize): Set icf_status_.
9483         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9484         icf_test and icf_keep_unique_test to use the --icf enum flag.
9485         * testsuite/icf_safe_test.sh: New file.
9486         * testsuite/icf_safe_test.cc: New file.
9487
9488 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9489
9490         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9491         includes to gc.h and icf.h.
9492         * arm.cc: Include gc.h.
9493         * gold.cc: Likewise.
9494         * i386.cc: Likewise.
9495         * powerpc.cc: Likewise.
9496         * sparc.cc: Likewise.
9497         * x86_64.cc: Likewise.
9498         * gc.h: Include icf.h.
9499
9500 2009-10-11  Ian Lance Taylor  <iant@google.com>
9501
9502         * plugin.cc: Include "gold.h" before other header files.
9503
9504 2009-10-10  Chris Demetriou  <cgd@google.com>
9505
9506         * options.h (Input_file_argument::Input_file_type): New enum.
9507         (Input_file_argument::is_lib_): Replace with...
9508         (Input_file_argument::type_): New member.
9509         (Input_file_argument::Input_file_argument): Take Input_file_type
9510         'type' rather than boolean 'is_lib' as second argument.
9511         (Input_file_argument::is_lib): Use type_.
9512         (Input_file_argument::is_searched_file): New function.
9513         (Input_file_argument::may_need_search): Handle is_searched_file.
9514         * options.cc (General_options::parse_library): Support -l:filename.
9515         (General_options::parse_just_symbols): Update for Input_file_argument
9516         changes.
9517         (Command_line::process): Likewise.
9518         * archive.cc (Archive::get_file_and_offset): Likewise.
9519         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9520         * script.cc (read_script_file, script_add_file): Likewise.
9521         * fileread.cc (Input_file::Input_file): Likewise.
9522         (Input_file::will_search_for): Handle is_searched_file.
9523         (Input_file::open): Likewise.
9524         * readsyms.cc (Read_symbols::get_name): Likewise.
9525         * testsuite/Makefile.am (searched_file_test): New test.
9526         * testsuite/Makefile.in: Regenerate.
9527         * testsuite/searched_file_test.cc: New file.
9528         * testsuite/searched_file_test_lib.cc: New file.
9529
9530 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9531             Ian Lance Taylor  <iant@google.com>
9532
9533         * descriptor.cc: Include <cstdio> and "binary-io.h".
9534         (Descriptors::open): Open the files in binary mode always.
9535         * script.cc (Lex::get_token): Treat \r as whitespace.
9536
9537 2009-10-09  Ian Lance Taylor  <iant@google.com>
9538
9539         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9540
9541 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9542             Ian Lance Taylor  <iant@google.com>
9543
9544         * configure.ac: Check for readv function also.
9545         * fileread.cc (readv): Define if not HAVE_READV.
9546         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9547         does not exist.
9548         * config.in: Regenerate.
9549         * configure: Regenerate.
9550
9551 2009-10-09  Doug Kwan  <dougkwan@google.com>
9552
9553         * layout.cc (Layout::make_output_section): Call target hook to make
9554         ordinary output section.
9555         (Layout::finalize): Adjust parameter list of call the
9556         Target::may_relax().
9557         * layout.h (class Layout::section_list): New method.
9558         * merge.h (Output_merge_base::entsize): Change visibility to public.
9559         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9560         New methods.
9561         (Output_merge_string::do_is_string): New method.
9562         * object.cc (Sized_relobj::do_setup): renamed from
9563         Sized_relobj::set_up.
9564         * object.h (Sized_relobj::adjust_shndx,
9565         Sized_relobj::initializ_input_to_output_maps,
9566         Sized_relobj::free_input_to_output_maps): Change visibilities to
9567         protected.
9568         (Sized_relobj::setup): Virtualize.
9569         (Sized_relobj::do_setup): New method declaration.
9570         (Sized_relobj::invalidate_section_offset,
9571         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9572         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9573         * options.cc (parse_int): New function.
9574         * options.h (parse_int): New declaration.
9575         (DEFINE_int): New macro.
9576         (stub_group_size): New option.
9577         * output.cc (Output_section::Output_section): Initialize memebers
9578         merge_section_map_, merge_section_by_properties_map_,
9579         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9580         (Output_section::add_input_section): Handled deferred code-fill
9581         generation and remove an old comment.
9582         (Output_section::add_relaxed_input_section): New method definition.
9583         (Output_section::add_merge_input_section): Use merge section by
9584         properties map to speed to search.  Update merge section maps
9585         as appropriate.
9586         (Output_section::build_relaxation_map): New method definition.
9587         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9588         Same.
9589         (Output_section::relax_input_section): Renamed to
9590         Output_section::convert_input_sections_to_relaxed_sections and change
9591         interface to take a vector of pointers to relaxed sections.
9592         (Output_section::find_merge_section,
9593         Output_section::find_relaxed_input_section): New method definitions.
9594         (Output_section::is_input_address_mapped,
9595         Output_section::output_offset, Output_section::output_address):
9596         Use output section data maps to speed up searching.
9597         (Output_section::find_starting_output_address): Add comments.
9598         (Output_section::do_write,
9599         Output_section::write_to_postprocessing_buffer): Do code-fill
9600         generation as appropriate.
9601         (Output_section::get_input_sections): Invalidate relaxed input section
9602         map.
9603         (Output_section::restore_states): Adjust type of checkpoint .
9604         Invalidate relaxed input section map.
9605         * output.h (Output_merge_base): New class declaration.
9606         (Input_section_specifier): New class defintion.
9607         (class Output_relaxed_input_section) Change base class to
9608         Output_section_data_build.
9609         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9610         base class initializer.
9611         (Output_section::add_relaxed_input_section): New method declaration.
9612         (Output_section::Input_section): Change visibility to protected.
9613         (Output_section::Input_section::relobj,
9614         Output_section::Input_section::shndx): Handle relaxed input sections.
9615         Output_section::input_sections) Change visibility to protected.  Also
9616         define overload to return a non-const pointer.
9617         (Output_section::Merge_section_properties): New class defintion.
9618         (Output_section::Merge_section_by_properties_map,
9619         Output_section::Output_section_data_by_input_section_map,
9620         Output_section::Relaxation_map): New types.
9621         (Output_section::relax_input_section): Rename method to
9622         Output_section::convert_input_sections_to_relaxed_sections and change
9623         interface to take a vector of relaxed section pointers.
9624         (Output_section::find_merge_section,
9625         Output_section::find_relaxed_input_section,
9626         Output_section::build_relaxation_map,
9627         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9628         New method declarations.
9629         (Output_section::merge_section_map_
9630         Output_section::merge_section_by_properties_map_,
9631         Output_section::relaxed_input_section_map_,
9632         Output_section::is_relaxed_input_section_map_valid_,
9633         Output_section::generate_code_fills_at_write_): New data members.
9634         * script-sections.cc
9635         (Output_section_element_input::set_section_addresses): Call
9636         current_data_size and addralign methods of relaxed input sections.
9637         (Orphan_output_section::set_section_addresses): Call current_data_size
9638         and addralign methods of relaxed input sections.
9639         * symtab.cc (Symbol_table::compute_final_value): Extract template
9640         from the body of Symbol_table::sized_finalize_symbol.
9641         (Symbol_table::sized_finalized_symbol): Call
9642         Symbol_table::compute_final_value.
9643         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9644         (Symbol_table::compute_final_value): New templated method declaration.
9645         * target.cc (Target::do_make_output_section): New method defintion.
9646         * target.h (Target::make_output_section): New method declaration.
9647         (Target::relax): Add more parameters for input objects, symbol table
9648         and layout.  Adjust call to do_relax.
9649         (Target::do_make_output_section): New method declaration.
9650         (Target::do_relax): Add parameters for input objects, symbol table
9651         and layout.
9652
9653 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9654
9655         * pread.c: Include stdio.h.
9656
9657 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9658
9659         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9660         defined.
9661
9662 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9663
9664         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9665         Change read_shndx type to unsigned int.
9666         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9667         int.
9668         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9669         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9670         Change read_shndx type to unsigned int.
9671         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9672         int.
9673         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9674         * layout.cc (Layout::create_symtab_sections): Cast the result of
9675         local_symcount * symsize to off_t in the gold_assert.
9676
9677 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9678
9679         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9680         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9681         R_ARM_BASE_ABS.
9682         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9683         (Arm_relocate_functions::thm_abs5): New function.
9684         (Arm_relocate_functions::abs12): New function.
9685         (Arm_relocate_functions::abs16): New function.
9686         (Arm_relocate_functions::base_abs): New function.
9687         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9688         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9689         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9690         R_ARM_BASE_ABS.
9691         (Scan::global): Likewise.
9692         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9693         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9694         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9695         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9696         R_ARM_BASE_ABS.
9697
9698 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9699
9700         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9701         (Arm_relocate_functions::movt_prel): New function.
9702         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9703         (Arm_relocate_functions::thm_movt_prel): New function.
9704         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9705         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9706         (Scan::global, Relocate::relocate): Likewise.
9707         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9708
9709 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9710
9711         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9712         Incremental_checker.
9713         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9714         unsigned int.
9715         (class Incremental_inputs_header): New class.
9716         (Incremental_inputs_header_writer): Edit comment.
9717         (Incremental_inputs_entry): New class.
9718         (Incremental_inputs_entry_writer): Edit comment.
9719         (Sized_incremental_binary::do_find_incremental_inputs_section):
9720         Add *strtab_shndx parameter, fill it.
9721         (Sized_incremental_binary::do_check_inputs): New method.
9722         (Incremental_checker::can_incrementally_link_output_file): Use
9723         Sized_incremental_binary::check_inputs.
9724         (Incremental_inputs::report_command_line): Save command line in
9725         command_line_.
9726         * incremental.h:
9727         (Incremental_binary::find_incremental_inputs_section): New
9728         method.
9729         (Incremental_binary::do_find_incremental_inputs_section): Add
9730         strtab_shndx parameter.
9731         (Incremental_binary::do_check_inputs): New pure virtual method.
9732         (Sized_incremental_binary::do_check_inputs): Declare.
9733         (Incremental_checker::Incremental_checker): Add incremental_inputs
9734         parameter, use it to initialize incremental_inputs_.
9735         (Incremental_checker::incremental_inputs_): New field.
9736         (Incremental_checker::command_line): New method.
9737         (Incremental_checker::inputs): New method.
9738         (Incremental_checker::command_line_): New field.
9739
9740 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9741
9742         * incremental.cc: Include <cstdarg> and "target-select.h".
9743         (vexplain_no_incremental): New function.
9744         (explain_no_incremental): New function.
9745         (Incremental_binary::error): New method.
9746         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9747         method.
9748         (make_sized_incremental_binary): New function.
9749         (open_incremental_binary): New function.
9750         (can_incrementally_link_file): Add checks if output is ELF and has
9751         inputs section.
9752         * incremental.h: Include "elfcpp_file.h" and "output.h".
9753         (Incremental_binary): New class.
9754         (Sized_incremental_binary): New class.
9755         (open_incremental_binary): Declare.
9756         * object.cc (is_elf_object): Use
9757         elfcpp::Elf_recognizer::is_elf_file.
9758         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9759         * output.h (Output_file::filesize): New method.
9760
9761 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9762
9763         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9764         New function.
9765         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9766         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9767         function.
9768         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9769         function.
9770         (Arm_relocate_functions::movw_abs_nc): New function.
9771         (Arm_relocate_functions::movt_abs): New function.
9772         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9773         (Arm_relocate_functions::thm_movt_abs): New function.
9774         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9775         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9776         (Scan::global): Likewise.
9777         (Relocate::relocate): Likewise.
9778         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9779
9780 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9781
9782         * arm.cc (Arm_relocate_functions::got_prel) New function.
9783         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9784         (Relocate::relocate): Likewise.
9785         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9786
9787 2009-10-06  Ian Lance Taylor  <iant@google.com>
9788
9789         * options.h (class General_options): Define
9790         split_stack_adjust_size parameter.
9791         * object.h (class Object): Add uses_split_stack_ and
9792         has_no_split_stack_ fields.  Add uses_split_stack and
9793         has_no_split_stack accessor functions.  Declare
9794         handle_split_stack_section.
9795         (class Reloc_symbol_changes): Define.
9796         (class Sized_relobj): Define Function_offsets.  Declare
9797         split_stack_adjust, split_stack_adjust_reltype, and
9798         find_functions.
9799         * object.cc (Object::handle_split_stack_section): New function.
9800         (Sized_relobj::do_layout): Call handle_split_stack_section.
9801         * dynobj.cc (Sized_dynobj::do_layout): Call
9802         handle_split_stack_section.
9803         * reloc.cc (Sized_relobj::relocate_sections): Call
9804         split_stack_adjust for executable sections in split_stack
9805         objects.  Pass reloc_map to relocate_section.
9806         (Sized_relobj::split_stack_adjust): New function.
9807         (Sized_relobj::split_stack_adjust_reltype): New function.
9808         (Sized_relobj::find_functions): New function.
9809         * target-reloc.h: Include "object.h".
9810         (relocate_section): Add reloc_symbol_changes parameter.  Change
9811         all callers.
9812         * target.h (class Target): Add calls_non_split method.  Declare
9813         do_calls_non_split virtual method.  Declare match_view and
9814         set_view_to_nop.
9815         * target.cc: Include "elfcpp.h".
9816         (Target::do_calls_non_split): New function.
9817         (Target::match_view): New function.
9818         (Target::set_view_to_nop): New function.
9819         * gold.cc (queue_middle_tasks): Give an error if mixing
9820         split-stack and non-split-stack objects with -r.
9821         * i386.cc (Target_i386::relocate_section): Add
9822         reloc_symbol_changes parameter.
9823         (Target_i386::do_calls_non_split): New function.
9824         * x86_64.cc (Target_x86_64::relocate_section): Add
9825         reloc_symbol_changes parameter.
9826         (Target_x86_64::do_calls_non_split): New function.
9827         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9828         parameter.
9829         * powerpc.cc (Target_powerpc::relocate_section): Add
9830         reloc_symbol_changes parameter.
9831         * sparc.cc (Target_sparc::relocate_section): Add
9832         reloc_symbol_changes parameter.
9833         * configure.ac: Call AM_CONDITIONAL for the default target.
9834         * configure: Rebuild.
9835         * testsuite/Makefile.am (TEST_AS): New variable.
9836         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9837         (check_DATA): Add split_i386 and split_x86_64 files.
9838         (SPLIT_DEFSYMS): Define.
9839         (split_i386_[1234n].o): New targets.
9840         (split_i386_[124]): New targets.
9841         (split_i386_[1234r].stdout): New targets.
9842         (split_x86_64_[1234n].o): New targets.
9843         (split_x86_64_[124]): New targets.
9844         (split_x86_64_[1234r].stdout): New targets.
9845         (MOSTLYCLEANFILES): Add new executables.
9846         * testsuite/split_i386.sh: New file.
9847         * testsuite/split_x86_64.sh: New file.
9848         * testsuite/split_i386_1.s: New file.
9849         * testsuite/split_i386_2.s: New file.
9850         * testsuite/split_i386_3.s: New file.
9851         * testsuite/split_i386_4.s: New file.
9852         * testsuite/split_i386_n.s: New file.
9853         * testsuite/split_x86_64_1.s: New file.
9854         * testsuite/split_x86_64_2.s: New file.
9855         * testsuite/split_x86_64_3.s: New file.
9856         * testsuite/split_x86_64_4.s: New file.
9857         * testsuite/split_x86_64_n.s: New file.
9858         * testsuite/testfile.cc (Target_test): Update relocation_section
9859         function.
9860         * testsuite/Makefile.in: Rebuild.
9861
9862 2009-10-06  Ian Lance Taylor  <iant@google.com>
9863
9864         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9865         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9866         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9867         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9868         the address on ldo_addrs_.
9869         (Target_i386::Relocate::fix_up_ldo): New function.
9870
9871 2009-10-06   Rafael Espindola  <espindola@google.com>
9872
9873         * plugin.cc (add_input_library): New.
9874         (Plugin::load): Add add_input_library to tv.
9875         (Plugin_manager::add_input_file): Add the is_lib argument.
9876         (add_input_file): Update call to Plugin_manager::add_input_file.
9877         (add_input_library): New.
9878         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9879
9880 2009-09-30  Doug Kwan  <dougkwan@google.com>
9881
9882         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9883         symbol and call Symbol::may_need_copy_reloc to determine if
9884         a copy reloc is needed.
9885         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9886         nocopyreloc is given in command line.
9887         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9888         given in command line.
9889         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9890         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9891         of the removed Target_i386::may_need_copy_reloc.
9892         * options.h (copyreloc): New option with default value false.
9893         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9894         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9895         instead of the removed Target_powerpc::may_need_copy_reloc.
9896         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9897         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9898         instead of the removed Target_sparc::may_need_copy_reloc.
9899         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9900         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9901         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9902         instead of the removed Target_x86_64::may_need_copy_reloc.
9903
9904 2009-09-30  Ian Lance Taylor  <iant@google.com>
9905
9906         * object.h (class Object): Remove target_ field, and target,
9907         sized_target, and set_target methods.
9908         (Object::sized_target): Remove.
9909         (class Sized_relobj): Update declarations.  Remove sized_target.
9910         * object.cc (Sized_relobj::setup): Remove target parameter.
9911         Change all callers.
9912         (Input_objects::add_object): Don't do anything with the target.
9913         (make_elf_sized_object): Add punconfigured parameter.  Change all
9914         callers.  Set or test parameter target.
9915         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9916         Change all callers.
9917         * parameters.cc (Parameters::set_target): Change parameter type to
9918         be non-const.
9919         (Parameters::default_target): Remove.
9920         (set_parameters_target): Change parameter type to be non-const.
9921         (parameters_force_valid_target): New function.
9922         (parameters_clear_target): New function.
9923         * parameters.h (class Parameters): Update declarations.  Remove
9924         default_target method.  Add sized_target and clear_target
9925         methods.  Change target_ to be non-const.
9926         (set_parameters_target): Update declaration.
9927         (parameters_force_valid_target): Declare.
9928         (parameters_clear_target): Declare.
9929         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9930         as NULL if we aren't searching.
9931         (Add_symbols::run): Don't check for compatible target.
9932         * fileread.cc (Input_file::open_binary): Call
9933         parameters_force_valid_target.
9934         * gold.cc (queue_middle_tasks): Likewise.
9935         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9936         set_target on object.
9937         * dynobj.h (class Sized_dynobj): Update declarations.
9938         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9939         make_elf_object returns NULL.
9940         (Archive::include_member): Don't check whether object target is
9941         compatible.
9942         * output.cc (Output_section::add_input_section): Get target from
9943         parameters.
9944         (Output_section::relax_input_section): Likewise.
9945         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9946         parameters.
9947         (Sized_relobj::do_scan_relocs): Likewise.
9948         (Sized_relobj::relocate_sections): Likewise.
9949         * resolve.cc (Symbol_table::resolve): Likewise.
9950         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9951         parameter.  Change all callers.
9952         (Symbol_table::add_from_object): Get target from parameters.
9953         (Symbol_table::add_from_relobj): Don't check object target.
9954         (Symbol_table::add_from_dynobj): Likewise.
9955         (Symbol_table::define_special_symbol): Get target from
9956         parameters.
9957         * symtab.h (class Symbol_table): Update declaration.
9958         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9959         parameter.  Change all callers.  Clear parameter target.
9960         (Binary_test): Test target here.
9961         * testsuite/object_unittest.cc (gold_testsuite): Remove
9962         target_test_pointer parameter.  Change all callers.
9963         (Object_test): Test target here.
9964
9965 2009-09-26  Ian Lance Taylor  <iant@google.com>
9966
9967         * testsuite/initpri1.c: Don't try to use constructor priorities if
9968         compiling with gcc before 4.3.
9969
9970 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9971
9972         * testsuite/retain_symbols_file_test.sh (check_present): Change
9973         output file name to retain_symbols_file_test.stdout.
9974         (check_absent): Likewise.
9975
9976 2009-09-18  Craig Silverstein  <csilvers@google.com>
9977
9978         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9979         * options.cc: Include <cerrno> and <fstream>.
9980         (General_options::finalize): Parse -retain-symbols-file tag.
9981         * options.h: New flag.
9982         (General_options): New method should_retain_symbol, new
9983         variable symbols_to_retain.
9984         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9985         should_retain_symbol map.
9986         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9987         * testsuite/Makefile.in: Regenerate.
9988         * testsuite/retain_symbols_file_test.sh: New file.
9989
9990 2009-09-18  Nick Clifton  <nickc@redhat.com>
9991
9992         * po/es.po: Updated Spanish translation.
9993
9994 2009-09-17  Doug Kwan  <dougkwan@google.com>
9995
9996         * debug.h (DEBUG_RELAXATION): New constant.
9997         (DEBUG_ALL): Add DEBUG_RELAXATION.
9998         (debug_string_to_enum): Add relaxation debug option.
9999         * layout.cc
10000         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10001         Layout::Relaxation_debug_check::read_sections,
10002         Layout::Relaxation_debug_check::read_sections): New method definitions.
10003         (Layout::Layout): Initialize data members
10004         record_output_section_data_from_scrips_,
10005         script_output_section_data_list_ and relaxation_debug_check_.
10006         (Layout::save_segments, Layout::restore_segments,
10007         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10008         Layout::relaxation_loop_body): New method definitions.
10009         (Layout::finalize): Support relaxation.  Move section layout code to
10010         Layout::relaxation_loop_body.
10011         (Layout::set_asection_address_from_script): Move code for orphan
10012         section placement out.
10013         (Layout::place_orphan_sections_in_script): New method definition.
10014         * layout.h (Output_segment_headers, Output_file_header):
10015         New forward class declarations.
10016         (Layout::~Layout): Define.
10017         (Layout::new_output_section_data_from_script): New method definition.
10018         (Layout::place_orphan_sections_in_script): New method declaration.
10019         (Layout::Segment_states): New type declaration.
10020         (Layout::save_segments, Layout::restore_segments,
10021         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10022         Layout::relaxation_loop_body): New method declarations.
10023         (Layout::Output_section_data_list): New type declaration.
10024         (Layout::Relaxation_debug_check): New class definition.
10025         (Layout::record_output_section_data_from_script_,
10026         Layout::script_output_section_data_list_, Layout::segment_states_,
10027         Layout::relaxation_debug_check_): New data members.
10028         * output.cc: (Output_section_headers::do_size): New method definition.
10029         (Output_section_headers::Output_section_headers): Move size
10030         computation to Output_section_headers::do_size.
10031         (Output_segment_headers::do_size): New method definition.
10032         (Output_file_header::Output_file_header): Move size computation to
10033         Output_file_header::do_size and call it.
10034         (Output_file_header::do_size): New method definition.
10035         (Output_data_group::Output_data_group): Adjust call to
10036         Output_section_data.
10037         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10038         (Output_symtab_xindex::do_write): Add array bound check.
10039         (Output_section::Input_section::print_to_mapfile): Handle
10040         RELAXED_INPUT_SECTION_CODE.
10041         (Output_section::Output_section): Initialize data member checkpoint_.
10042         (Output_section::~Output_section): Delete checkpoint object pointed
10043         by checkpoint_.
10044         (Output_section::add_input_section): Always add an Input_section if
10045         relaxing.
10046         (Output_section::add_merge_input_section): Add assert.
10047         (Output_section::relax_input_section): New method definition.
10048         (Output_section::set_final_data_size): Set load address to zero for
10049         an unallocated section.
10050         (Output_section::do_address_and_file_offset_have_reset_values):
10051         New method definition.
10052         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10053         Handle relaxed input section.
10054         (Output_section::sort_attached_input_sections): Checkpoint input
10055         section list lazily.
10056         (Output_section::get_input_sections): Change type of input_sections to
10057         list of Simple_input_section pointers.  Checkpoint input section list
10058         lazily.  Also handle relaxed input sections.
10059         (Output_section::add_input_section_for_script): Take a reference to
10060         a Simple_input_section object instead of Relobj pointer and section
10061         index as parameter.  Handle relaxed input sections.
10062         (Output_section::save_states, Output_section::restore_states): New
10063         method definitions.
10064         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10065         (Output_data::is_data_size_fixed): New method definition.
10066         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10067         if it is fixed.
10068         (Output_data::address_and_file_offset_have_reset_values): New method
10069         definition.
10070         (Output_data::do_address_and_file_offset_have_reset_values): New method
10071         definition.
10072         (Output_data::set_data_size): Check that data size is not fixed.
10073         (Output_data::fix_data_size): New method definition.
10074         (Output_data::is_data_size_fixed_): New data member.
10075         (Output_section_headers::set_final_data_size): New method definition.
10076         (Output_section_headers::do_size): New method declaration.
10077         (Output_segment_headers::set_final_data_size): New method definition.
10078         (Output_segment_headers::do_size): New method declaration.
10079         (Output_file_header::set_final_data_size)::New method definition.
10080         (Output_file_header::do_size)::New method declaration.
10081         (Output_section_data::Output_section_data): Add new parameter
10082         is_data_size_fixed and use it to fix data size.
10083         (Output_data_const::Output_data_const): Adjust call to base class
10084         constructor and fix data size.
10085         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10086         base class constructor and fix data size.
10087         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10088         base class constructor and fix data size.
10089         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10090         class constructor and fix data size.
10091         (Output_data_group::set_final_data_size): New method definition.
10092         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10093         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10094         class constructor and fix data size.
10095         (Output_relaxed_input_section): New class definition.
10096         (Output_section::Simple_input_section): New class definition.
10097         (Output_section::get_input_sections): Adjust parameter list.
10098         (Output_section::add_input_section_for_script): Same.
10099         (Output_section::save_states, Output_section::restore_states,
10100         Output_section::do_address_and_file_offset_have_reset_values,
10101         (Output_section::Input_section::Input_section): Handle
10102         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10103         Output_relaxed_input_section.
10104         (Output_section::Input_section::is_input_section,
10105         Output_section::Input_section::set_output_section): Handle relaxed
10106         input section.
10107         (Output_section::Input_section::is_relaxed_input_section,
10108         Output_section::Input_section::output_section_data,
10109         Output_section::Input_section::relaxed_input_section): New method
10110         definitions.
10111         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10112         value.
10113         (Output_section::Input_section::u1_): Update comments.
10114         (Output_section::Input_section::u2_): Add new union member poris.
10115         (Output_section::Checkpoint_output_section): New classs definition.
10116         (Output_section::relax_input_section): New method declaration.
10117         (Output_section::checkpoint_): New data member.
10118         (Output_segment): Update comments.
10119         (Output_segment::Output_segment): Un-privatize copy constructor.
10120         (Output_segment::operator=): Un-privatize.
10121         * script-sections.cc (Output_section_element::Input_section_list):
10122         Change element type to Output_section::Simple_input_section.
10123         (Output_section_element_dot_assignment::set_section_addresses):
10124         Register output section data for relaxation clean up.
10125         (Output_data_exression::Output_data_expression): Adjust call to base
10126         constructor to fix data size.
10127         (Output_section_element_data::set_section_addresses): Register
10128         Output_data_expression object for relaxation clean up.
10129         (struct Input_section_info): Replace Relobj pointer and section index
10130         pair with Output_section::Simple_input_section and Convert struct to a
10131         class.
10132         (Input_section_sorter::operator()): Adjust access to
10133         Input_section_info data member to use accessors.
10134         (Output_section_element_input::set_section_addresses): Use layout
10135         parameter.  Adjust code to use Output_section::Simple_input_section
10136         and Input_secction_info classes.  Register filler for relaxation
10137         clean up.
10138         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10139         and section index pair with Output_section::Simple_input_section
10140         class.  Adjust code accordingly.
10141         (Phdrs_element::release_segment): New method definition.
10142         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10143         segment list.
10144         (Script_sections::release_segments): New method definition.
10145         * gold/script-sections.h (Script_sections::release_segments): New
10146         method declaration.
10147         * gold/target.h (Target::may_relax, Target::relax,
10148         Target::do_may_relax, Target::do_relax): New method definitions.
10149
10150 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10151
10152         * arm.cc (has_signed_unsigned_overflow): New function.
10153         (Arm_relocate_functions::abs8): New function.
10154         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10155         (Target_arm::Scan::global): Likewise.
10156         (Target_arm::relocate::relocate): Likewise.
10157         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10158         Likewise.
10159
10160 2009-09-16  Cary Coutant  <ccoutant@google.com>
10161
10162         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10163         * testsuite/Makefile.in: Regenerate.
10164
10165 2009-09-11  Nick Clifton  <nickc@redhat.com>
10166
10167         * po/gold.pot: Updated by the Translation project.
10168
10169 2009-09-08  Cary Coutant  <ccoutant@google.com>
10170
10171         * output.cc (Output_file::open): Add execute permission to empty file.
10172         * testsuite/Makefile.am (permission_test): New test.
10173         * testsuite/Makefile.in: Regenerate.
10174
10175 2009-09-02  Ian Lance Taylor  <iant@google.com>
10176
10177         * output.cc (Output_file::resize): Call map_no_anonymous rather
10178         than map.
10179
10180 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10181
10182         * gold.cc: Include "incremental.h".
10183         (queue_initial_tasks): Call Incremental_checker methods.
10184         * incremental.cc: Include "output.h".
10185         (Incremental_checker::can_incrementally_link_output_file): New
10186         method.
10187         * incremental.h (Incremental_checker): New class.
10188
10189         * output.cc (Output_file::open_for_modification): New method.
10190         (Output_file::map_anonymous): Changed return type to bool.  Record
10191         map in base_ field.
10192         (Output_file::map_no_anonymous): New method, broken out of map.
10193         (Output_file::map): Use map_no_anonymous and map_anonymous.
10194         * output.h (class Output_file): Update declarations.
10195
10196 2009-08-24  Cary Coutant  <ccoutant@google.com>
10197
10198         * options.h (Command_line::Pre_options): New class.
10199         (Command_line::pre_options): New member.
10200         * options.cc (gold::options::ready_to_register): New variable.
10201         (One_option::register_option): Do nothing if not registering options.
10202         Assert if same short option registered twice.
10203         (General_options::General_options): Turn off option registration when
10204         done constructing.
10205         (Command_line::Pre_options::Pre_options): New constructor.
10206
10207 2009-08-24  Cary Coutant  <ccoutant@google.com>
10208
10209         * options.h (General_options::no_keep_memory): Remove incorrect
10210         short option.
10211
10212 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10213
10214         * Makefile.am (am__skiplex, am__skipyacc): New.
10215         * Makefile.in: Regenerate.
10216
10217 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10218
10219         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10220         (INCLUDES): ... this.
10221         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10222         (AM_CPPFLAGS): Renamed from ...
10223         (INCLUDE): ... this.
10224         * Makefile.in, testsuite/Makefile.in: Regenerate.
10225
10226         * Makefile.in: Regenerate.
10227         * aclocal.m4: Likewise.
10228         * config.in: Likewise.
10229         * configure: Likewise.
10230         * testsuite/Makefile.in: Likewise.
10231
10232         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10233         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10234         * Makefile.in: Regenerate.
10235         * testsuite/Makefile.in: Regenerate.
10236
10237 2009-08-19  Cary Coutant  <ccoutant@google.com>
10238
10239         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10240         symbols in shared libraries overridden by hidden or internal symbols
10241         in the main program.
10242
10243 2009-08-19  Chris Demetriou  <cgd@google.com>
10244
10245         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10246         checking source file names in error messages.
10247
10248 2009-08-18  Doug Kwan  <dougkwan@google.com>
10249
10250         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10251         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10252         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10253         an elfcpp::Ehdr as parameter.
10254         * object.cc (Object::set_target): Remove the version that looks up
10255         a target and sets it.
10256         (Sized_relobj::setup): Take a Target object instead of
10257         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10258         (make_elf_sized_object): Find target and ask target to
10259         make an ELF object.
10260         * object.h: (Object::set_target): Remove the version that looks up
10261         a target and sets it.
10262         (Sized_relobj::setup): Take a Target object instead of
10263         an elfcpp:Ehdr as parameter.
10264         * target.cc: Include dynobj.h.
10265         (Target::do_make_elf_object_implementation): New.
10266         (Target::do_make_elf_object): New.
10267         * target.h (Target::make_elf_object): New template declaration.
10268         (Target::do_make_elf_object): New method declarations.
10269         (Target::do_make_elf_object_implementation): New template declaration.
10270
10271 2009-08-14  Ian Lance Taylor  <iant@google.com>
10272
10273         * gold.h (FUNCTION_NAME): Define.
10274         (gold_unreachable): Use FUNCTION_NAME.
10275
10276 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10277
10278         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10279         symbol in the --keep-unique list is not found.
10280
10281 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10282
10283         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10284         been maked as --keep-unique.
10285         (Icf::unfold_section): New function.
10286         * icf.h (Icf::unfold_section): New function.
10287         * options.h (General_options::keep_unique): New option.
10288         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10289         * testsuite/Makefile.in: Regenerate.
10290         * testsuite/icf_keep_unique_test.sh: New file.
10291         * testsuite/icf_keep_unique_test.cc: New file.
10292
10293 2009-08-12  Cary Coutant  <ccoutant@google.com>
10294
10295         PR 10471
10296         * resolve.cc (Symbol_table::resolve): Check for references from
10297         dynamic objects to hidden and internal symbols.
10298         * testsuite/Makefile.am (hidden_test.sh): New test.
10299         * testsuite/Makefile.in: Regenerate.
10300         * testsuite/hidden_test.sh: New script.
10301         * testsuite/hidden_test_1.c: New test source.
10302         * testsuite/hidden_test_main.c: New test source.
10303
10304 2009-08-11  Doug Kwan  <dougkwan@google.com>
10305
10306         * arm.cc: Update comments.
10307         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10308         segment to locate the .ARM.exidx section if present.
10309
10310 2009-08-09  Doug Kwan  <dougkwan@google.com>
10311
10312         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10313         patch.
10314
10315 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10316         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10317         compiler warnings.
10318
10319 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10320
10321         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10322         valid tls_segment only for non-debug-section relocations.
10323         * testsuite/Makefile.am: Add gc_tls_test.
10324         * testsuite/Makefile.in: Regenerate.
10325         * testsuite/gc_tls_test.cc: New file.
10326         * testsuite/gc_tls_test.sh: New file.
10327
10328 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10329
10330         * icf.cc: New file.
10331         * icf.h: New file.
10332         * Makefile.am (CCFILES): Add icf.cc.
10333         (HFILES): Add icf.h
10334         * Makefile.in: Regenerate.
10335         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10336         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10337         section, symbol and addend information for the relocs.
10338         * gold.cc (queue_middle_tasks): Call identical code folding.
10339         * gold.h: Add defines for multimap.
10340         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10341         to the call of finalize_local_symbols.
10342         * main.cc (main): Create object of class Icf.
10343         * object.cc (Sized_relobj::do_layout): Allow this function to be
10344         called twice during icf.
10345         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10346         to sections marked as identical by icf.
10347         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10348         when available.
10349         (Sized_relobj::do_section_entsize): New function.
10350         * object.h (Object::section_entsize): New function.
10351         (Object::do_section_entsize): New pure virtual function.
10352         (Relobj::finalize_local_symbols): Add new parameter.
10353         (Relobj::do_section_entsize): New function.
10354         * options.h (General_options::icf): New option.
10355         (General_options::icf_iterations): New option.
10356         (General_options::print_icf_sections): New option.
10357         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10358         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10359         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10360         icf.
10361         * symtab.cc (Symbol_table::is_section_folded): New function.
10362         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10363         to sections marked as identical by icf.
10364         * symtab.h (Symbol_table::set_icf): New function.
10365         (Symbol_table::icf): New function.
10366         (Symbol_table::is_section_folded): New function.
10367         (Symbol_table::icf_): New data member.
10368         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10369         * testsuite/Makefile.am: Add commands to build icf_test.
10370         * testsuite/Makefile.in: Regenerate.
10371         * testsuite/icf_test.sh: New file.
10372         * testsuite/icf_test.cc: New file.
10373
10374 2009-07-24  Chris Demetriou  <cgd@google.com>
10375
10376         * layout.cc (is_compressible_debug_section): Fix incorrect
10377         comment about compressed section names.
10378
10379 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10380
10381         PR 10419
10382         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10383
10384 2009-07-16  Ian Lance Taylor  <iant@google.com>
10385
10386         PR 10400
10387         * layout.h: #include <map>.
10388         (class Kept_section): Change from struct to class.  Add accessors
10389         and setters.  Add section size to Comdat_group mapping.  Change
10390         Comdat_group to std::map.  Add is_comdat_ field.  Add
10391         linkonce_size field in union.
10392         (class Layout): Update declaration of find_or_add_kept_section.
10393         Don't declare find_kept_object.
10394         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10395         parameter.  Add object, shndx, is_comdat, and is_group_name
10396         parameters.  Change all callers.  Adjust for new Kept_section.
10397         (Layout::find_kept_object): Remove.
10398         * object.cc (Sized_relobj::include_section_group): Update use of
10399         Kept_section.  Rename secnum to shndx.  Only record
10400         Kept_comdat_section if sections are the same size.
10401         (Sized_relobj::include_linkonce_section): Update use of
10402         Kept_section.  Only record Kept_comdat_section if sections are the
10403         same size.  Set size of linkonce section.
10404         (Sized_relobj::map_to_kept_section): Update call to
10405         get_kept_comdat_section.
10406         * object.h (class Sized_relobj): Rename fields in
10407         Kept_comdat_section to drop trailing underscores; change object
10408         field to Relobj*.  Change Kept_comdat_section_table to store
10409         struct rather than pointer.
10410         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10411         Add kept_object and kept_shndx parameters.  Change all callers.
10412         (Sized_relobj::get_kept_comdat_section): Change return type to
10413         bool.  Add kept_object and kept_shndx parameters.  Change all
10414         callers.
10415         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10416         Layout::find_or_add_kept_section.
10417
10418 2009-07-09  Ian Lance Taylor  <iant@google.com>
10419
10420         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10421         Reserve space in the hash table.
10422
10423 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10424
10425         * fileread.cc (File_read::get_mtime): New method.
10426         * fileread.h (Timespec): New structure.
10427         (File_read::get_mtime): New method.
10428         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10429         Renamed from timestamp_nsec.
10430         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10431         Elf_Xword.
10432         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10433         timestamp_nsec.
10434         (Incremental_inputs::report_archive): Save mtime; style fix.
10435         (Incremental_inputs::report_obejct): Save mtime; style fix.
10436         (Incremental_inputs::report_script): Save mtime; style fix.
10437         (Incremental_inputs::finalize_inputs): Style fix.
10438         (Incremental_inputs::finalize): Style fix.
10439         (Incremental_inputs::create_input_section_data): Store inputs
10440         mtime.
10441         * incremental.h (Incremental_inputs::report_script): Add mtime
10442         argument.
10443         (Incremental_inputs::Input_info::Input_info): Intialize only one
10444         union member.
10445         (Incremental_inputs::Input_info::archive): Move to nameless
10446         union.
10447         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10448         (Incremental_inputs::Input_info::script): Move to nameless union.
10449         (Incremental_inputs::mtime): New field.
10450         * script.cc (read_input_script): Pass file mtime to
10451         Incremental_input.
10452         * script.h (Script_info::inputs): Style fix.
10453
10454 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10455
10456         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10457         instead of 32.
10458
10459 2009-06-24  Ian Lance Taylor  <iant@google.com>
10460
10461         PR 10156
10462         * layout.cc (Layout::choose_output_section): If we find an
10463         existing section, update the flags.
10464         (Layout::create_notes): New function, broken out of
10465         Layout::finalize.
10466         (Layout::finalize): Don't create note sections.
10467         (Layout::create_note): Don't crash if linker script discards
10468         section.
10469         (Layout::create_gold_note): Likewise.
10470         (Layout::create_build_id): Likewise.  Don't set
10471         after_input_sections on the section.
10472         (Layout::create_executable_stack_info): Remove target parameter.
10473         Change caller.
10474         * layout.h (class Layout): Declare create_notes.  Update
10475         declaration of create_executable_stack_info.
10476         * gold.cc (queue_middle_tasks): Call create_notes.
10477         * output.cc (Output_section::update_flags_for_input_section): Move
10478         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10479         invalid.
10480         * output.h (Output_data::mark_address_invalid): New function.
10481         (class Output_section): Only declare, not define,
10482         update_flags_for_input_section.  Remove set_flags.
10483
10484 2009-06-24  Ian Lance Taylor  <iant@google.com>
10485
10486         * script-sections.cc (Output_section_definition::
10487         set_section_addresses): Rename shadowing local load_address to
10488         laddr.
10489
10490 2009-06-24  Ian Lance Taylor  <iant@google.com>
10491
10492         PR 10244
10493         * reloc.cc (relocate_sections): Skip empty relocation sections.
10494
10495 2009-06-23  Ian Lance Taylor  <iant@google.com>
10496
10497         PR 10156
10498         * layout.cc (Layout::create_note): Use choose_output_section
10499         rather than make_output_section.
10500
10501 2009-06-23  Ian Lance Taylor  <iant@google.com>
10502
10503         PR 10237
10504         * options.cc (General_options::parse_V): Set printed_version_.
10505         (General_options::General_options): Initialize printed_version_.
10506         * options.h (class General_options): Add printed_version_ field.
10507         * gold.cc (queue_initial_tasks): If there are no input files,
10508         don't give a fatal error if we printed the version information.
10509         (queue_middle_tasks): If using -r with a shared object, give a
10510         fatal error rather than an ordinary error.
10511
10512 2009-06-23  Ian Lance Taylor  <iant@google.com>
10513
10514         PR 10219
10515         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10516         (Layout::make_output_section): Set have_stabstr_section_ if we see
10517         a .stab*str section.
10518         (Layout::finalize): Call link_stabs_sections.
10519         (Layout::link_stabs_sections): New file.
10520         * layout.h (class Layout): Add have_stabstr_section_ field.
10521         Declare link_stabs_sections.
10522
10523 2009-06-23  Doug Kwan  <dougkwan@google.com>
10524
10525         * Makefile.am (libgold_a_LIBADD): New.
10526         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10527         * Makefile.in: Regenerate.
10528         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10529         * configure: Regenerate.
10530         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10531         * fileread.cc: Include sys/state.h
10532         * gold.h: Declare memmem and strndup if found missing.
10533         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10534
10535 2009-06-23  Ian Lance Taylor  <iant@google.com>
10536
10537         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10538         * configure: Rebuild.
10539
10540 2009-06-23  Ian Lance Taylor  <iant@google.com>
10541
10542         PR 10147
10543         * object.cc (Object::section_contents): Don't try to get a view if
10544         the section has length zero.
10545         (Object::handle_gnu_warning_section): If the section is empty, use
10546         the name of the section as the warning.
10547
10548 2009-06-23  Ian Lance Taylor  <iant@google.com>
10549
10550         PR 10133
10551         * stringpool.h (class Stringpool_template): Add optimize_ field.
10552         (Stringpool_template::set_optimize): New function.
10553         * stringpool.cc (Stringpool_template::Stringpool_template):
10554         Initialize optimize_ field.
10555         (Stringpool_template::set_string_offsets): Test local optimize
10556         fild rather than parameter.
10557         * layout.cc (Layout::Layout): Call set_optimize on the section
10558         name stringpool.
10559
10560 2009-06-22  Ian Lance Taylor  <iant@google.com>
10561
10562         PR 10030
10563         * yyscript.y: Parse TARGET.
10564         * script.cc (script_set_target): New function.
10565         * script-c.h (script_set_target): Declare.
10566         * options.cc (General_options::string_to_object_format): Rename
10567         from string_to_object_format in anonymous namespace.  Change
10568         callers.
10569         * options.h (class General_options): Declare
10570         string_to_object_format.
10571
10572 2009-06-22  Ian Lance Taylor  <iant@google.com>
10573
10574         * script-sections.cc (Script_sections::create_segments): Don't put
10575         program headers in a PT_LOAD segment if -n or -N.
10576
10577 2009-06-22  Ian Lance Taylor  <iant@google.com>
10578
10579         PR 10141
10580         * options.h (class General_options): Add -z lazy and -z now.  Sort
10581         -z options into alphabetical order.
10582         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10583
10584 2009-06-21  Ian Lance Taylor  <iant@google.com>
10585
10586         * layout.cc (Layout::make_output_section): Call
10587         Target::new_output_section.
10588         (Layout::attach_allocated_section_to_segment): Put large section
10589         sections in a separate load segment with the large segment flag
10590         set.
10591         (Layout::segment_precedes): Sort large data segments after other
10592         load segments.
10593         (align_file_offset): New static function.
10594         (Layout::set_segment_offsets): Use align_file_offset.
10595         * output.h (class Output_section): Add is_small_section_ and
10596         is_large_section_ fields.
10597         (Output_section::is_small_section): New function.
10598         (Output_section::set_is_small_section):  New function.
10599         (Output_section::is_large_section): New function.
10600         (Output_section::set_is_large_section): New function.
10601         (Output_section::is_large_data_section): New function.
10602         (class Output_segment): Add is_large_data_segment_ field.
10603         (Output_segment::is_large_data_segment): New function.
10604         (Output_segment::set_is_large_data_segment): New function.
10605         * output.cc (Output_section::Output_section): Initialize new
10606         fields.
10607         (Output_segment::Output_segment): Likewise.
10608         (Output_segment::add_output_section): Add assertion that large
10609         data sections always go in large data segments.  Force small data
10610         sections to the end of the list of data sections.  Force small BSS
10611         sections to the start of the list of BSS sections.  For large BSS
10612         sections to the end of the list of BSS sections.
10613         * symtab.h (class Symbol): Declare is_common_shndx.
10614         (Symbol::is_defined): Check Symbol::is_common_shndx.
10615         (Symbol::is_common): Likewise.
10616         (class Symbol_table): Define enum Commons_section_type.  Update
10617         declarations.  Add small_commons_ and large_commons_ fields.
10618         * symtab.cc (Symbol::is_common_shndx): New function.
10619         (Symbol_table::Symbol_table): Initialize new fields.
10620         (Symbol_table::add_from_object): Put small and large common
10621         symbols in the right list.
10622         (Symbol_table::sized_finalized_symbol): Check
10623         Symbol::is_common_shndx.
10624         (Symbol_table::sized_write_globals): Likewise.
10625         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10626         common symbol lists.  Don't call do_allocate_commons_list if the
10627         list is empty.
10628         (Symbol_table::do_allocate_commons_list): Remove is_tls
10629         parameter.  Add comons_section_type parameter.  Change all
10630         callers.  Handle small and large common symbols.
10631         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10632         Symbol::is_common_shndx.
10633         * resolve.cc (symbol_to_bits): Likewise.
10634         * target.h (Target::small_common_shndx): New function.
10635         (Target::small_common_section_flags): New function.
10636         (Target::large_common_shndx): New function.
10637         (Target::large_common_section_flags): New function.
10638         (Target::new_output_section): New function.
10639         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10640         small_common_section_flags, and large_common_section_flags
10641         fields.
10642         (Target::do_new_output_section): New virtual function.
10643         * arm.cc (Target_arm::arm_info): Initialize new fields.
10644         * i386.cc (Target_i386::i386_info): Likewise.
10645         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10646         Likewise.
10647         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10648         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10649         (Target_x86_64::do_new_output_section): New function.
10650         * configure.ac: Define conditional MCMODEL_MEDIUM.
10651         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10652         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10653         (large_LDFLAGS): Define.
10654         * testsuite/large.c: New file.
10655         * testsuite/testfile.cc (Target_test::test_target_info):
10656         Initialize new fields.
10657         * configure, testsuite/Makefile.in: Rebuild.
10658
10659 2009-06-05  Doug Kwan  <dougkwan@google.com>
10660
10661         * Makefile.am (CCFILES): Add target.cc.
10662         * Makefile.in: Regenerate.
10663         * i386.cc (class Target_i386): Define new virtual method to
10664         override do_is_local_label_name in parent.
10665         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10666         local symbols if --discard-locals or -X is given.
10667         * options.h (class General_options): Declare new options
10668         '--discard-locals' and '-X' for discarding locals.
10669         * target.h (class Target): Define new methods is_local_label_name.
10670         Declare new virtual method do_is_local_label_name.
10671         * target.cc: New file.
10672         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10673         (check_SCRIPTS): Add discard_locals_test.sh.
10674         (check_DATA): Add discard_local_tests.syms.
10675         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10676         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10677         * testsuite/Makefile.in: Regenerate.
10678         * testsuite/discard_locals_test.c: New file.
10679         * testsuite/discard_locals_test.sh: Same.
10680
10681 2009-06-05  Doug Kwan  <dougkwan@google.com>
10682
10683         * object.cc (Sized_relobj::Sized_relobj): Initialize
10684         discarded_eh_frame_shndx_ to -1U.
10685         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10686         section.
10687         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10688         a discarded .eh_frame section.
10689         (Sized_relobj::do_finalize_local_symbols): Ditto.
10690         * object.h (class Sized_relobj): Declare new member
10691         discarded_eh_frame_shndx_.
10692         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10693         (local_labels_test.o, local_labels_test): New rules.
10694         * testsuite/Makefile.in: Regenerate.
10695
10696 2009-06-04  Doug Kwan  <dougkwan@google.com>
10697
10698         * layout.cc (Layout::section_name_mapping): Add mapping for
10699         special ARM sections.
10700
10701 2009-06-03  Doug Kwan  <dougkwan@google.com>
10702
10703         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10704         (utils::has_overflow): Same.
10705
10706 2009-06-03  Ian Lance Taylor  <iant@google.com>
10707
10708         * layout.cc (Layout::section_name_mapping): New array, replacing
10709         Layout::linkonce_mapping.
10710         (Layout::section_name_mapping_count): New variable, replacing
10711         Layout::linkonce_mapping_count.
10712         (Layout::linkonce_output_name): Remove.
10713         (Layout::output_section_name): Rewrite.
10714         * layout.h (class Layout): Rename Linkonce_mapping to
10715         Section_name_mapping, linkonce_mapping to section_name_mapping,
10716         linkonce_mapping_count to section_name_mapping_count.  Don't
10717         declare linkonce_output_name.
10718
10719 2009-06-03  Doug Kwan  <dougkwan@google.com>
10720
10721         * gold/arm.cc (namespace utils): New.
10722         (Target_arm::reloc_is_non_pic): Define new method.
10723         (class Arm_relocate_functions): New.
10724         (Target_arm::Relocate::relocate): Handle relocation types used by
10725         Android.
10726
10727 2009-06-03  Ian Lance Taylor  <iant@google.com>
10728
10729         * arm.cc (Target_arm::scan::global): Use || instead of |.
10730
10731 2009-06-02  Doug Kwan  <dougkwan@google.com>
10732
10733         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10734         issued_non_pic_error_.
10735         (class Target_arm::Scan): Declare new method check_non_pic.
10736         Define new method symbol_needs_plt_entry.
10737         Declare new data member issued_non_pic_error_.
10738         (class Target_arm::Relocate): Declare new method
10739         should_apply_static_reloc.
10740         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10741         (Target_arm::Scan::check_non_pic): Define new method.
10742         (Target_arm::Scan::local): Handle a small subset of reloc types used
10743         by Android.
10744         (Target_arm::Scan::local): Same.
10745         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10746
10747 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10748
10749         * incremental.cc (Incremental_inputs::report_command_line): Filter
10750         out --incremental-* options.
10751
10752 2009-05-29  Doug Kwan  <dougkwan@google.com>
10753
10754         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10755         template class.
10756         (class Target_arm): Update comment.
10757         (Target_arm::Target_arm): Initialize new data members GOT_,
10758         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10759         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10760         and Target_arm::rel_dyn_section.
10761         Declare new_enum Target_arm::Got_type.
10762         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10763         and DYNBSS_.
10764         Update commments for member do_dynsym_value.
10765         (Target_arm::got_size, Target_arm::plt_section,
10766         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10767         new methods inside class defintion.
10768         (Target_arm::got_section): Define new method.
10769         (Target_arm::rel_dyn_section): Same.
10770         (Output_data_plt_arm): New template class.
10771         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10772         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10773         (Output_data_plt_arm::add_entry): Same.
10774         (Output_data_plt_arm::first_plt_entry): Define new
10775         static data member for PLT instruction template.
10776         (Output_data_plt_arm::plt_entry): Same.
10777         (Output_data_plt_arm::do_write): Define new method.
10778         (Target_arm::make_plt_entry): Same.
10779         (Target_arm::do_finalize_sections): Same.
10780         (Target_arm::do_dynsym_value): Same.
10781
10782 2009-05-28  Doug Kwan  <dougkwan@google.com>
10783
10784         * Makefile.am (TARGETSOURCES): Add arm.cc.
10785         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10786         * Makefile.in: Regenerate.
10787         * arm.cc: New file.
10788         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10789
10790 2009-05-26  Doug Kwan  <dougkwan@google.com>
10791
10792         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10793         (General_options::check_excluded_libs): Strip off directories in
10794         archive name before matching like GNU ld does.
10795         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10796         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10797         (exclude_libs_test_LDFLAGS): Add linker option
10798         -Wl,--exclude-libs,libexclude_libs_test_3
10799         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10800         an explicit archive without using -l.
10801         (alt/libexclude_libs_test_3.a): New make rule.
10802         * testsuite/Makefile.in: Regenerate.
10803         * testsuite/exclude_libs_test.c : Declare lib3_default().
10804         (main): Call it.
10805         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10806         * exclude_libs_test_3.c: New file.
10807
10808 2009-05-26  Nick Clifton  <nickc@redhat.com>
10809
10810         * po/id.po: New Indonesian translation.
10811         * po/gold.pot: Updated template file.
10812
10813 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10814
10815         * testsuite/Makefile.am: Add -ffunction-sections to compile
10816         gc_comdat_test files.  Add -Wl,--gc-sections to build
10817         gc_comdat_test.
10818         * testsuite/Makefile.in: Regenerate.
10819         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10820
10821 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10822
10823         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10824         kept comdat section was garbage collected.
10825         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10826         * testsuite/Makefile.in: Regenerate.
10827         * testsuite/gc_comdat_test.sh: New file.
10828         * testsuite/gc_comdat_test_1.cc: New file.
10829         * testsuite/gc_comdat_test_2.cc: New file.
10830
10831 2009-05-19  Doug Kwan  <dougkwan@google.com>
10832
10833         * archive.cc (Archive::Archive): Move constructor from archive.h
10834         to here.  Initialize no_export_.
10835         (Archive::get_elf_object_for_member): Set no_export flag of object.
10836         * archive.h (Archive::Archive): Move constructor body to
10837         archive.cc.
10838         (Archive::no_export): New method.
10839         (Archive::no_export_): New field.
10840         * object.h (Object::Object): Initialize no_export_ to false.
10841         (Object::no_export, Object::set_no_export): New methods.
10842         (Object::no_export_): New field.
10843         * options.cc (General_options::parse_exclude_libs): New method.
10844         (General_options::check_excluded_libs) Same.
10845         * options.h (exclude_libs): New option.
10846         (General_options::check_excluded_libs): New method declaration.
10847         (General_options::excluded_libs_): New field.
10848         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10849         default or protected visibility if an object has no-export flag set.
10850         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10851         (check_SCRIPTS): Add exclude_libs_test.sh.
10852         (check_DATA): Add exclude_libs_test.syms.
10853         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10854         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10855         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10856         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10857         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10858         libexclude_libs_test_2.a): New rules.
10859         * testsuite/Makefile.in: Regenerate.
10860         * testsuite/exclude_libs_test.c: New file.
10861         * testsuite/exclude_libs_test.sh: Ditto.
10862         * testsuite/exclude_libs_test_1.c: Ditto.
10863         * testsuite/exclude_libs_test_2.c: Ditto.
10864
10865 2009-05-15  Ian Lance Taylor  <iant@google.com>
10866
10867         * configure.ac: Check for declarations for cases where libiberty.h
10868         checks HAVE_DECL_xxx.
10869         * configure, config.in: Rebuild.
10870
10871 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10872
10873         * gold.h (Incremental_argument_list): Remove (invalid) forward
10874         declaration.
10875         * incremental.cc (Incremental_inputs::report_achive): New method.
10876         (Incremental_inputs::report_object): New method.
10877         (Incremental_inputs::report_script): New method.
10878         (Incremental_inputs::finalize_inputs): New method.
10879         (Incremental_inputs::finalize): Call finalize_inputs().
10880         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10881         Create inputs entries.
10882         * incremental.h (Incremental_input_type): New enum.
10883         (Incremental_inputs::Incremental_input): Initialize new fields.
10884         (Incremental_inputs::report_inputs): New method.
10885         (Incremental_inputs::report_achive): New method.
10886         (Incremental_inputs::report_object): New method.
10887         (Incremental_inputs::report_script): New method.
10888         (Incremental_inputs::finalize_inputs): New method.
10889         (Incremental_inputs::Input_info): New struct.
10890         (Incremental_inputs::Input_info_map): New typedef.
10891         (Incremental_inputs::lock_): New field.
10892         (Incremental_inputs::Inputs_): New field.
10893         (Incremental_inputs::Inputs_map): New field.
10894         * main.cc (main): Call Incremental_input::report_inputs.
10895         * options.h (Input_argument_list): Typedef moved from
10896         Input_arguments.
10897         (Input_file_group::Files): Remove, use ::Input_argument_list.
10898         (Input_file_group::Input_argument_list): Remove, use
10899         ::Input_argument_list.
10900         * plugin.cc (Plugin_manager::add_input_file): Add error in
10901         incremental build.
10902         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10903         functions.
10904         * script.cc (read_input_script): Call
10905         Incremental_input::report_script.
10906         * script.h (Script_info): New class.
10907
10908 2009-04-27  Ian Lance Taylor  <iant@google.com>
10909
10910         * x86_64.cc (do_adjust_output_section): Set entsize to
10911         plt_entry_size.
10912
10913 2009-04-23  Elliott Hughes  <enh@google.com>
10914
10915         * output.cc (Output_file::close): After short writes, continue
10916         writing from the correct offset in the buffer being written.
10917
10918 2009-04-23  Chris Demetriou  <cgd@google.com>
10919
10920         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10921         * configure: Regenerate.
10922         * config.in: Regenerate.
10923         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10924         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10925
10926 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10927
10928         * incremental.cc (Incremental_inputs_header_data): Renamed from
10929         Incremental_input_header_data.
10930         (Incremental_inputs_header_data::data_size): New field.
10931         (Incremental_inputs_header_data::put_input_file_count): Renamed
10932         from input_file_count.
10933         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10934         from command_line_offset.
10935         (Incremental_inputs_header_data::put_reserved): Renamed from
10936         put_reserved.
10937         (Incremental_inputs_entry_data): Renamed from
10938         Incremental_input_entry_data.
10939         (Incremental_inputs_entry_data::data_size): New field.
10940         (Incremental_inputs::report_command_line): New method.
10941         (Incremental_inputs::finalize): New method.
10942         (Incremental_inputs::create_incremental_inputs_data): New method.
10943         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10944         * incremental.h: New file.
10945         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10946         (Layout::finalize): Create incremental inputs section in
10947         incremental builds.
10948         (Layout::create_incremental_info_sections): New method.
10949         * layout.h (Layout::incremental_inputs): New method.
10950         (Layout::create_incremental_info_sections): New method.
10951         (Layout::incremental_inputs_): New field.
10952         * main.cc (main): Notify Incremental_input of the command line.
10953
10954 2009-04-01  Ian Lance Taylor  <iant@google.com>
10955             Mikolaj Zalewski  <mikolajz@google.com>
10956
10957         * gold.h (reserve_unordered_map): Define, three versions, one for
10958         each version of Unordered_map.
10959         * layout.cc (Layout::Layout): Remove options parameter.  Add
10960         number_of_input_files parameter.  Don't initialize options_.
10961         Initialize number_of_input_files_ and resized_signatures_.  Move
10962         sections_are_attached_.
10963         (Layout::layout_group): Reserve space for group_signatures_.
10964         (Layout::find_or_add_kept_section): Change name parameter to be a
10965         reference.  Resize signatures_ map when it gets large enough.
10966         (Layout::layout_eh_frame): Use parameters->options() instead of
10967         this->options_.
10968         (Layout::make_output_section): Likewise.
10969         (Layout::attach_allocated_section_to_segment): Likewise.
10970         (Layout::finalize, Layout::create_executable_stack): Likewise.
10971         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10972         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10973         * layout.h (class Layout): Update declarations.  Remove options_
10974         field.  Add number_of_input_files_ and resized_signatures_
10975         fields.  Move sections_are_attached_ field.
10976         * main.cc (main): Pass number of input files to Layout
10977         constructor.  Don't pass options.
10978
10979 2009-03-30  Ian Lance Taylor  <iant@google.com>
10980
10981         * ffsll.c (ffsll): Correct implementation.
10982
10983 2009-03-27  Ian Lance Taylor  <iant@google.com>
10984
10985         * ffsll.c: New file.
10986         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10987         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10988         * ftruncate.c (ftruncate): Declare before definition.
10989         * mremap.c (mremap): Likewise.
10990         * pread.c (pread): Likewise.
10991         * configure, Makefile.in, config.in: Rebuild.
10992
10993         * mremap.c: New file.
10994         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10995         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10996         (mremap): Declare if HAVE_MREMAP is not defined.
10997         * configure, Makefile.in, config.in: Rebuild.
10998
10999 2009-03-27  Cary Coutant  <ccoutant@google.com>
11000
11001         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11002         position independent.
11003         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11004         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11005
11006 2009-03-24  Cary Coutant  <ccoutant@google.com>
11007
11008         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11009         an executable.
11010         (needs_dynamic_reloc): Likewise.
11011
11012 2009-03-24  Ian Lance Taylor  <iant@google.com>
11013
11014         * yyscript.y (file_cmd): Recognize EXTERN.
11015         (extern_name_list, extern_name_list_body): New nonterminals.
11016         * script.cc (script_add_extern): Define.
11017         * script-c.h (script_add_extern): Declare.
11018
11019 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11020
11021         * object.cc (is_elf_object): Define.
11022         * object.h (is_elf_object): Declare.
11023         * archive.cc (Archive::get_elf_object_for_member): Call
11024         is_elf_object.
11025         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11026
11027 2009-03-24  Elliott Hughes  <enh@google.com>
11028
11029         * output.cc (Output_file::map_anonymous): Define.
11030         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11031         try an anonymous one.  Report the size if the mmap fails.
11032         * output.h (class Output_file): Declare map_anonymous.
11033
11034 2009-03-24  Ian Lance Taylor  <iant@google.com>
11035
11036         * target-select.cc (instantiate_target): Don't acquire the lock if
11037         the instantiated_target_ field has already been set.
11038
11039 2009-03-23  Ian Lance Taylor  <iant@google.com>
11040
11041         * gold-threads.h (class Initialize_lock): Define.
11042         * gold-threads.cc (class Initialize_lock_once): Define.
11043         (initialize_lock_control): New static variable.
11044         (initialize_lock_pointer): New static variable.
11045         (initialize_lock_once): New static function.
11046         (Initialize_lock::Initialize_lock): Define.
11047         (Initialize_lock::initialize): Define.
11048         * target-select.h: Include "gold-threads.h".
11049         (class Target_selector): Add lock_ and initialize_lock_ fields.
11050         Don't define instantiate_target, just declare it.
11051         * target-select.cc (Target_selector::Target_selector): Initialize
11052         new fields.
11053         (Target_selector::instantiate_target): Define.
11054         * descriptors.h: Include "gold-threads.h".
11055         (class Descriptors): Add initialize_lock_ field.
11056         * descriptors.cc (Descriptors::Descriptors): Initialize new
11057         field.
11058         (Descriptors::open): Use initialize_lock_ field
11059         * errors.h (class Errors): Add initialize_lock_ field.
11060         * errors.cc (Errors::Errors): Initialize new field.
11061         (Errors::initialize_lock): Use initialize_lock_ field.
11062         * powerpc.cc (class Target_selector_powerpc): Remove
11063         instantiated_target_ field.  In do_recognize call
11064         instantiate_target rather than do_instantiate_target.  In
11065         do_instantiate_target just allocate a new target.
11066         * sparc.cc (class Target_selector_sparc): Likewise.
11067
11068         * freebsd.h: New file.
11069         * i386.cc: Include "freebsd.h".
11070         (Target_i386): Derive from Target_freebsd rather than
11071         Sized_target.
11072         (Target_selector_i386): Derive from Target_selector_freebsd rather
11073         than Target_selector.
11074         * x86_64.cc: Include "freebsd.h".
11075         (Target_x86_64): Derive from Target_freebsd rather than
11076         Sized_target.
11077         (Target_selector_x86_64): Derive from Target_selector_freebsd
11078         rather than Target_selector.
11079         * target.h (class Target): Add adjust_elf_header and
11080         do_adjust_elf_header.
11081         * output.cc (Output_file_header:: do_sized_write): Call target
11082         adjust_elf_header routine.
11083         * configure.tgt: Set targ_osabi.
11084         * configure.ac: Define GOLD_DEFAULT_OSABI.
11085         * parameters.cc (Parameters::default_target): Pass
11086         GOLD_DEFAULT_OSABI to select_target.
11087         * target-select.h (class Target_selector): Make instantiate_target
11088         protected rather than private.
11089         * Makefile.am (HFILES): Add freebsd.h.
11090         * configure, Makefile.in, config.in: Rebuild.
11091
11092         * merge.cc (do_add_input_section): Correct pend value.  Change
11093         message about last entry not being null terminated from error to
11094         warning.
11095
11096 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11097
11098         * incremental.cc: New file.
11099         * Makefile.am (CCFILES): Add incremental.cc.
11100         * Makefile.in: Rebuild.
11101
11102 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11103
11104         * layout.cc (Layout::output_section_name): Preserve names
11105         of '.note.' sections.
11106
11107 2009-03-19  Ian Lance Taylor  <iant@google.com>
11108
11109         * descriptors.cc (Descriptors::open): Check that the options are
11110         valid before using them.
11111
11112 2009-03-18  Ian Lance Taylor  <iant@google.com>
11113
11114         * script-sections.h: Include <list>.
11115         (class Script_sections): Change Sections_elements from std::vector
11116         to std::list.  Typedef public Elements_iterator.  Add
11117         orphan_section_placement_, data_segment_align_start_, and
11118         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11119         field.
11120         * script-sections.cc (class Orphan_section_placement): New class.
11121         (class Sections_element): Add virtual functions is_relro and
11122         orphan_section_init.  Remove virtual function place_orphan_here.
11123         (class Output_section_definition): Add is_relro and
11124         orphan_section_init.  Remove place_orphan_here.
11125         (class Orphan_output_section): Likewise.
11126         (Script_sections::Script_sections): Update for field changes.
11127         (Script_sections::data_segment_align): Set saw_data_segment_align_
11128         and data_segment_align_start_, not data_segment_align_index.
11129         (Script_sections::data_segment_relro_end): Check
11130         saw_data_segment_align_.  Use data_segment_align_start_ rather
11131         than data_segment_align_index_.
11132         (Script_sections::place_orphan): Rewrite to use
11133         Orphan_section_placement.
11134
11135 2009-03-17  Ian Lance Taylor  <iant@google.com>
11136
11137         * archive.cc (Archive::add_symbols): Check for a version attached
11138         to the symbol name in the archive map.
11139         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11140         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11141         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11142         (ver_test_11.a): New target.
11143         * testsuite/Makefile.in: Rebuild.
11144
11145         * configure.ac: Check for chsize and posix_fallocate.  Replace
11146         ftruncate.
11147         * ftruncate.c: New file, from gnulib.
11148         * output.cc (posix_fallocate): Define dummy version if not
11149         HAVE_POSIX_FALLOCATE.
11150         (Output_file::map): Call posix_fallocate rather than lseek and
11151         write.
11152         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11153         * configure, Makefile.in, config.in: Rebuild.
11154
11155 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11156
11157         * layout.h (Layout::create_note): Add section_name parameter.
11158         * layout.cc (Layout::create_note): Likewise.
11159         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11160
11161 2009-03-17  Ian Lance Taylor  <iant@google.com>
11162
11163         * descriptors.cc: Include "options.h".
11164         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11165         (Descriptors::open): Always use O_CLOEXEC when opening a new
11166         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11167         then set FD_CLOEXEC.
11168
11169         * sparc.cc (class Target_sparc): Add has_got_section.
11170         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11171         make sure we have a GOT section.
11172
11173         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11174         (Target_sparc::Scan::local): Likewise.
11175         (Target_sparc::Scan::global): Likewise.
11176         (Target_sparc::Relocate::relocate): Likewise.
11177         (Target_sparc::Relocate::relocate_tls): Likewise.
11178
11179         * symtab.cc (Symbol_table::define_default_version): New function,
11180         broken out of add_from_object.
11181         (Symbol_table::add_from_object): Call define_default_version.
11182         (Symbol_table::define_special_symbol): Add resolve_oldsym
11183         parameter.  Change all callers.  If the version for a symbol comes
11184         from a version script, resolve it with the symbol with the same
11185         name with no version.  Also add the symbol without a version if
11186         appropriate.
11187         (do_define_in_output_data): If resolving with oldsym, don't delete
11188         sym.
11189         (do_define_in_output_segment): Likewise.
11190         (do_define_as_constant): Likewise.
11191         * symtab.h (class Symbol_table): Update declarations.
11192
11193 2009-03-13  Ian Lance Taylor  <iant@google.com>
11194
11195         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11196         (Read_symbols::requeue): New function.
11197         (Read_symbols::do_read_symbols): If make_elf_object fails because
11198         the target type is not configured, and the file was searched for,
11199         issue a warning and retry with the next directory.
11200         (Add_symbols::run): If the file has an incompatible format, and
11201         it was searched for, requeue the Read_symbols task.  On error,
11202         release the object.
11203         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11204         dirindex parameter to constructor.  Change all callers.  Declare
11205         incompatible_warning and requeue.
11206         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11207         input_argument_ and input_group_ fields.  Add them to
11208         constructor.  Change all callers.
11209         (class Read_script): Add dirindex_ field.  Add it to constructor.
11210         Change all callers.
11211         * archive.cc (Archive::setup): Remove input_objects parameter.
11212         Change all callers.
11213         (Archive::get_file_and_offset): Likewise.
11214         (Archive::read_all_symbols): Likewise.
11215         (Archive::read_symbols): Likewise.
11216         (Archive::get_elf_object_for_member): Remove input_objects
11217         parameter.  Add punconfigured parameter.  Change all callers.
11218         (Archive::add_symbols): Change return type to bool.  Check return
11219         value of include_member.
11220         (Archive::include_all_members): Likewise.
11221         (Archive::include_member): Change return type to bool.  Return
11222         false if first included object has incompatible target.  Set
11223         included_member_ field.
11224         (Add_archive_symbols::run): If add_symbols returns false, requeue
11225         Read_symbols task.
11226         * archive.h (class Archive): Add included_member_ field.
11227         Initialize it in constructor.  Add input_file and searched_for
11228         methods.  Update declarations.
11229         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11230         input_argument_ fields.  Add them to constructor.  Change all
11231         callers.
11232         * script.cc: Include "target-select.h".
11233         (class Parser_closure): Add skip_on_incompatible_target_ and
11234         found_incompatible_target_ fields.  Add
11235         skip_on_incompatible_target parameter to constructor.  Change all
11236         callers.  Add methods skip_on_incompatible_target,
11237         clear_skip_on_incompatible_target, found_incompatible_target, and
11238         set_found_incompatible_target.
11239         (read_input_script): Add dirindex parameter.  Change all callers.
11240         If parser finds an incompatible target, requeue Read_symbols
11241         task.
11242         (script_set_symbol): Clear skip_on_incompatible_target in
11243         closure.
11244         (script_add_assertion, script_parse_option): Likewise.
11245         (script_start_sections, script_add_phdr): Likewise.
11246         (script_check_output_format): New function.
11247         * script.h (read_input_script): Update declaration.
11248         * script-c.h (script_check_output_format): Declare.
11249         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11250         (ignore_cmd): Remove OUTPUT_FORMAT.
11251         * fileread.cc (Input_file::Input_file): Add explicit this.
11252         (Input_file::will_search_for): New function.
11253         (Input_file::open): Add pindex parameter.  Change all callers.
11254         * fileread.h (class Input_file): Add input_file_argument method.
11255         Declare will_search_for.  Update declarations.
11256         * object.cc (make_elf_object): Add punconfigured parameter.
11257         Change all callers.
11258         * object.h (class Object): Make input_file public.  Add
11259         searched_for method.
11260         (make_elf_object): Update declaration.
11261         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11262         restart search.
11263         * dirsearch.h (class Dirsearch): Update declaration.
11264         * options.h (class General_options): Add --warn-search-mismatch.
11265         * parameters.cc (Parameters::is_compatible_target): New function.
11266         * parameters.h (class Parameters): Declare is_compatible_target.
11267         * workqueue.cc (Workqueue::add_blocker): New function.
11268         * workqueue.h (class Workqueue): Declare add_blocker.
11269
11270         * fileread.cc (Input_file::open): Remove options parameter.
11271         Change all callers.
11272         (Input_file::open_binary): Likewise.
11273         * script.cc (read_input_script): Likewise.
11274         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11275         options parameter from constructor.  Change all callers.
11276         (class Read_script): Likewise.
11277         * fileread.h (class Input_file): Update declarations.
11278         * script.h (read_input_script): Update declaration.
11279
11280 2009-03-10  Nick Clifton  <nickc@redhat.com>
11281
11282         * po/es.po: New Spanish translation.
11283
11284 2009-03-06  Cary Coutant  <ccoutant@google.com>
11285
11286         * options.cc (parse_short_option): Keep dash_z from registering itself.
11287
11288 2009-03-03  Ian Lance Taylor  <iant@google.com>
11289
11290         PR 9918
11291         * target-reloc.h (relocate_section): Pass output_section to
11292         relocate.
11293         * i386.cc (Target_i386::should_apply_static_reloc): Add
11294         output_section parameter.  Change all callers.
11295         (Target_i386::Relocate::relocate): Add output_section parameter.
11296         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11297         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11298         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11299         * testsuite/two_file_shared.sh: New script.
11300         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11301         (check_DATA): Add two_file_shared.dbg.
11302         (two_file_shared.dbg): New target.
11303         * testsuite/Makefile.in: Rebuild.
11304
11305 2009-03-01  Ian Lance Taylor  <iant@google.com>
11306
11307         * configure.ac: Check for byteswap.h.
11308         * configure: Rebuild.
11309         * config.in: Rebuild.
11310
11311 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11312
11313         * layout.cc (Layout::find_or_add_kept_section): New function.
11314         (Layout::add_comdat): Removed.
11315         * layout.h (struct Kept_section): Move out of class Layout.
11316         Remove trailing underscores from field names.  Add group_sections
11317         field.  Rename group_ field to is_group.  Change all uses.
11318         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11319         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11320         comdat_groups_ field.
11321         (Sized_relobj::include_section_group): Use
11322         find_or_add_kept_section and Kept_section::group_sections.
11323         (Sized_relobj::include_linkonce_section): Likewise.
11324         * object.cc (class Sized_relobj): Don't define Comdat_group or
11325         Comdat_group_table.  Remove find_comdat_group and
11326         add_comdat_group.  Remove comdat_groups_ field.
11327         * plugin.cc (include_comdat_group): Use
11328         Layout::find_or_add_kept_section.
11329
11330 2009-02-28  Ian Lance Taylor  <iant@google.com>
11331
11332         * README: --gc-sections and map files are now supported.  Document
11333         some build requirements.
11334
11335         PR 6992
11336         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11337         relocatable link set the value of the section symbol to zero.
11338         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11339         relocatable link don't include the section address in the local
11340         symbol value.
11341
11342 2009-02-27  Ian Lance Taylor  <iant@google.com>
11343
11344         PR 6811
11345         * options.h (class Search_directory): Add is_system_directory.
11346         (class General_options): Declare is_in_system_directory.
11347         * options.cc (get_relative_sysroot): Make static.
11348         (get_default_sysroot): Make static.
11349         (General_optoins::is_in_system_directory): New function.
11350         * fileread.cc (Input_file::is_in_system_directory): New function.
11351         * fileread.h (class Input_file): Declare is_in_system_directory.
11352         * object.h (class Object): Add is_in_system_directory.
11353         (class Input_objects): Remove system_library_directory_ field.
11354         * object.cc (Input_objects::add_object): Don't set
11355         system_library_directory_.
11356         (input_objects::found_in_system_library_directory): Remove.
11357         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11358         parameter.  Change all callers.
11359         (Symbol_table::sized_write_globals): Likewise.
11360         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11361         Call Object::is_in_system_directory.
11362         * symtab.h (class Symbol_table): Update declarations.
11363
11364         PR 5990
11365         * descriptors.h (Open_descriptor): Add is_on_stack field.
11366         * descriptors.cc (Descriptors::open): If the descriptor is on the
11367         top of the stack, remove it.  Initialize is_on_stack field.
11368         (Descriptors::release): Only add pod to stack if it is not on the
11369         stack already.
11370         (Descriptors::close_some_descriptor): Clear stack_next and
11371         is_on_stack fields.
11372
11373         PR 7091
11374         * output.cc (Output_section::find_starting_output_address): Rename
11375         from starting_output_address; add PADDR parameter; change return
11376         type.
11377         * output.h (class Output_section): Declare
11378         find_starting_output_address instead of starting_output_address.
11379         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11380         section symbol for which we can't find a merge section.
11381
11382         PR 9836
11383         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11384         hidden or internal, force the symbol to be local.
11385         * resolve.cc (Symbol::override_visibility): Define.
11386         (Symbol::override_base): Use override_visibility.
11387         (Symbol_table::resolve): Likewise.
11388         (Symbol::override_base_with_special): Likewise.
11389         (Symbol_table::override_with_special): If the visibility is hidden
11390         or internal, force the symbol to be local.
11391         * symtab.h (class Symbol): Add set_visibility and
11392         override_visibility.
11393         * testsuite/ver_test_1.sh: New file.
11394         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11395         (check_DATA): Add ver_test_1.syms.
11396         (ver_test_1.syms): New target.
11397         * testsuite/Makefile.in: Rebuild.
11398
11399 2009-02-25  Cary Coutant  <ccoutant@google.com>
11400
11401         * layout.cc (Layout::choose_output_section): Don't rename sections
11402         when using a linker script that has a SECTIONS clause.
11403         * Makefile.in: Regenerate.
11404
11405         * testsuite/Makefile.am (script_test_5.sh): New test case.
11406         * testsuite/Makefile.in: Regenerate.
11407         * testsuite/script_test_5.cc: New file.
11408         * testsuite/script_test_5.sh: New file.
11409         * testsuite/script_test_5.t: New file.
11410
11411 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11412
11413         * archive.cc (Archive::include_member): Update calls to add_symbols.
11414         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11415         the Layout argument.
11416         * dynobj.h (do_add_symbols): Add the Layout argument.
11417         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11418         Layout argument.
11419         * object.h (Object::add_symbols): Add the Layout argument.
11420         (Object::do_add_symbols): Add the Layout argument.
11421         (Sized_relobj::do_add_symbols): Add the Layout argument.
11422         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11423         Unify the two versions.
11424         (Add_plugin_symbols): Remove.
11425         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11426         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11427         (Add_plugin_symbols): Remove.
11428         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11429         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11430         (Add_symbols::run): Make it work with Pulginobj.
11431
11432 2009-02-06  Ian Lance Taylor  <iant@google.com>
11433
11434         * object.cc (Sized_relobj::do_layout): Make info message start
11435         with lower case letter.
11436
11437 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11438
11439         * binary.cc: Fix file comment.
11440
11441         * options.h (enum Incremental_disposition): Define.
11442         (class General_options): Add new options: --incremental,
11443         --incremental_changed, --incremental_unchanged,
11444         --incremental_unknown.  Add incremental_disposition_ and
11445         implicit_incremental_ fields.
11446         (General_options::incremental_disposition): New function.
11447         (class Position_dependent_options): Add incremental_disposition
11448         option.
11449         (Position_dependent_options::copy_from_options): Set incremental
11450         dispositions.
11451         * options.cc (General_options::parse_incremental_changed): New
11452         function.
11453         (General_options::parse_incremental_unchanged): New function.
11454         (General_options::parse_incremental_unknown): New function.
11455         (General_options::General_options): Initialize new fields
11456         incremental_disposition_ and implicit_incremental_.
11457         (General_options::finalize): Check for uasge of --incremental-*
11458         without --incremental.
11459
11460 2009-02-06  Chris Demetriou  <cgd@google.com>
11461
11462         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11463         pointer and to report location as the file name associated with
11464         the symbol.
11465         (gold_undefined_symbol_at_location): New function to replace the
11466         old gold_undefined_symbol functionality.
11467         * target-reloc.h (relocate_section): Update to use
11468         gold_undefined_symbol_at_location.
11469         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11470         Call gold_undefined_symbol function rather than gold_error.
11471         * errors.h (Errors::undefined_symbol): Take location as a
11472         string, rather than calculating it from a relocation.
11473         * errors.cc (Errors::fatal): Print "fatal error:" before the
11474         formatted message.
11475         (Errors::error, Errors::error_at_location): Print "error: "
11476         before the formatted message.
11477         (Errors::undefined_symbol): Take location as a string, rather
11478         than calculating it from a relocation.
11479         (gold_undefined_symbol_at_location): New function akin to
11480         old gold_undefined_symbol, calculates location from relocation.
11481         (gold_undefined_symbol): Change to take only a Symbol pointer
11482         and to report location as the file name associated with the symbol.
11483         * testsuite/debug_msg.sh: Update for changed error messages.
11484         * testsuite/undef_symbol.sh: Likewise.
11485
11486 2009-02-04  Duncan Sands  <baldrick@free.fr>
11487
11488         PR 9812
11489         * reduced_debug_output.h
11490         (Output_reduced_debug_abbrev_section::failed): Use format for
11491         gold_warning.
11492         (Output_reduced_debug_info_section::faild): Likewise.
11493
11494 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11495
11496         * script.cc (Lazy_demangler): New class.
11497         (Version_script_info::get_symbol_version_helper): Demangle a
11498         symbol only once.
11499
11500 2009-01-29  Cary Coutant  <ccoutant@google.com>
11501
11502         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11503         to __tls_get_addr.
11504         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11505
11506 2009-01-28  Ian Lance Taylor  <iant@google.com>
11507
11508         * version.cc (version_string): Bump to 1.9.
11509
11510         * gold.h: Include <cstring> and <stdint.h>.
11511         * version.cc: Include <cstdio>.
11512         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11513         warning.
11514         * reduced_debug_output.cc (insert_into_vector): Rename from
11515         Insert_into_vector; change all callers.  Use Swap_unaligned to
11516         avoid aliasing issue; remove union since it is unnecessary.
11517
11518 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11519
11520         * Makefile.am (CCFILES): Add gc.cc.
11521         (HFILES): Add gc.h.
11522         * Makefile.in: Regenerate.
11523         * gold.cc (Gc_runner): New class.
11524         (queue_initial_tasks): Call garbage collection related tasks
11525         when corresponding options are invoked.
11526         (queue_middle_gc_tasks): New function.
11527         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11528         processed early before laying out sections during garbage collection.
11529         * gold.h (queue_middle_gc_tasks): New function.
11530         (is_prefix_of): Move from "layout.cc".
11531         * i386.cc (Target_i386::gc_process_relocs): New function.
11532         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11533         * main.cc (main): Create object of class "Garbage_collection".
11534         * object.cc (Relobj::copy_symbols_data): New function.
11535         (Relobj::is_section_name_included): New function.
11536         (Sized_relobj::do_layout): Allow this function to be called twice
11537         during garbage collection and defer layout of section during the
11538         first call.
11539         * object.h (Relobj::get_symbols_data): New function.
11540         (Relobj::is_section_name_included): New function.
11541         (Relobj::copy_symbols_data): New function.
11542         (Relobj::set_symbols_data): New function.
11543         (Relobj::get_relocs_data): New function.
11544         (Relobj::set_relocs_data): New function.
11545         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11546         (Relobj::gc_process_relocs): New function.
11547         (Relobj::do_gc_process_relocs): New pure virtual function.
11548         (Relobj::sd_): New data member.
11549         (Sized_relobj::is_output_section_offset_invalid): New function.
11550         (Sized_relobj::do_gc_process_relocs): New function.
11551         * options.h (General_options::gc_sections): Modify to not be a no-op.
11552         (General_options::print_gc_sections): New option.
11553         * plugin.cc (Plugin_finish::run): Remove function call to
11554         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11555         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11556         * reloc.cc (Read_relocs::run): Add task to process relocs and
11557         determine unreferenced sections when doing garbage collection.
11558         (Gc_process_relocs): New class.
11559         (Sized_relobj::do_gc_process_relocs): New function.
11560         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11561         sections that are garbage collected.
11562         * reloc.h (Gc_process_relocs): New class.
11563         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11564         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11565         symbols whose corresponding sections are garbage collected.
11566         (Symbol_table::Symbol_table): Add new parameter for the garbage
11567         collection object.
11568         (Symbol_table::gc_mark_undef_symbols): New function.
11569         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11570         (Symbol_table::gc_mark_dyn_syms): New function.
11571         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11572         as garbage.
11573         (Symbol_table::add_from_object): Likewise.
11574         (Symbol_table::add_from_relobj): When building shared objects, do not
11575         treat externally visible symbols as garbage.
11576         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11577         table information for static and relocatable links.
11578         * symtab.h (Symbol_table::set_gc): New function.
11579         (Symbol_table::gc): New function.
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::gc_): New data member.
11584         * target.h (Sized_target::gc_process_relocs): New pure virtual
11585         function.
11586         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11587         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11588
11589 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11590
11591         * options.h (General_options::gc_sections): Define as a no-op for now.
11592         (General_options::no_keep_memory): Ditto.
11593         (General_options::Bshareable): Define.
11594         * options.cc (General_options::finalize): Honor -Bshareable.
11595
11596 2009-01-20  Andreas Schwab  <schwab@suse.de>
11597
11598         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11599         read the value in the contents, since we don't use it.  Use the
11600         template endianness when writing.
11601         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11602
11603 2009-01-19  Andreas Schwab  <schwab@suse.de>
11604
11605         * configure.tgt (powerpc64-*): Fix targ_obj.
11606
11607 2009-01-15  Ian Lance Taylor  <iant@google.com>
11608
11609         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11610         local symbols when stripping all symbols.
11611
11612 2009-01-14  Cary Coutant  <ccoutant@google.com>
11613
11614         * output.cc (Output_reloc): Add explicit instantiations.
11615
11616 2009-01-14  Cary Coutant  <ccoutant@google.com>
11617
11618         * archive.cc (Archive::get_elf_object_for_member): Remove call
11619         to File_read::claim_for_plugin.
11620         * descriptors.cc (Descriptors::open): Remove reference to
11621         is_claimed.
11622         (Descriptors::claim_for_plugin): Remove.
11623         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11624         (Descriptors::is_claimed): Remove.
11625         (claim_descriptor_for_plugin): Remove.
11626         * fileread.cc (File_read::claim_for_plugin): Remove.
11627         * fileread.h (File_read::claim_for_plugin): Remove.
11628         (File_read::descriptor): Reopen descriptor if necessary.
11629         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11630         (Plugin_manager::all_symbols_read): Add task parameter. Change
11631         all callers.
11632         (Plugin_manager::get_input_file): New function.
11633         (Plugin_manager::release_input_file): New function.
11634         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11635         corresponding data member.
11636         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11637         and pass to base constructor. Change all callers.
11638         (get_input_file, release_input_file): New functions.
11639         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11640         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11641         (Plugin_manager::all_symbols_read): Add task parameter.
11642         (Plugin_manager::get_input_file): New function.
11643         (Plugin_manager::release_input_file): New function.
11644         (Plugin_manager::task_): New data member.
11645         (Pluginobj::Pluginobj): Add filesize parameter.
11646         (Pluginobj::filename): New function.
11647         (Pluginobj::descriptor): New function.
11648         (Pluginobj::filesize): New function.
11649         (Pluginobj::filesize_): New data member.
11650         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11651         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11652         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11653
11654         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11655         with archive libraries.
11656         * testsuite/Makefile.in: Regenerate.
11657         * testsuite/plugin_test.c (struct sym_info): New type.
11658         (get_input_file, release_input_file): New static variables.
11659         (onload): Capture new transfer vector entries.
11660         (claim_file_hook): Stop reading at end of file according to filesize.
11661         Factor out parsing of readelf output into separate function.
11662         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11663         APIs and get the source file name from the symbol table.  Convert
11664         source file name to corresponding object file name.  Print info
11665         message when adding new input files.
11666         (parse_readelf_line): New function.
11667         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11668         * testsuite/plugin_test_2.sh: Likewise.
11669         * testsuite/plugin_test_3.sh: Likewise.
11670         * testsuite/plugin_test_4.sh: New test case.
11671
11672 2009-01-07  Ian Lance Taylor  <iant@google.com>
11673
11674         * version.cc (version_string): Bump to 1.8.
11675
11676 2008-12-23  Cary Coutant  <ccoutant@google.com>
11677
11678         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11679         * plugin.cc (Plugin_manager::finish): Rename as
11680         layout_deferred_objects.  Move cleanup to separate function.
11681         (Plugin_manager::cleanup): New function.
11682         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11683         separately.
11684         * plugin.h (Plugin_manager::finish): Rename as
11685         layout_deferred_objects.
11686         (Plugin_manager::cleanup): New function.
11687         (Plugin_manager::cleanup_done): New field.
11688
11689 2008-12-23  Cary Coutant  <ccoutant@google.com>
11690
11691         * plugin.cc (is_visible_from_outside): New function.
11692         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11693         so we don't return "IR only" status for exported symbols or -r links.
11694
11695         * testsuite/Makefile.am (plugin_test_3): New test case.
11696         * testsuite/Makefile.in: Regenerate.
11697         * testsuite/plugin_test_3.sh: New file.
11698
11699 2008-12-22  Cary Coutant  <ccoutant@google.com>
11700
11701         * object.cc (Sized_relobj::layout_section): New function.
11702         (Sized_relobj::do_layout): Defer layout of input sections until after
11703         plugin has provided replacement files.
11704         (Sized_relobj::do_layout_deferred_sections): New function.
11705         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11706         (Relobj::layout_deferred_sections): New function.
11707         (Relobj::do_layout_deferred_sections): New function.
11708         (Sized_relobj::do_layout_deferred_sections): New function.
11709         (Sized_relobj::layout_section): New function.
11710         (Sized_relobj::Deferred_layout): New structure.
11711         (Sized_relobj::deferred_layout_): New field.
11712         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11713         Change all callers.  Layout deferred sections.
11714         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11715         references.
11716         (Plugin_hook::run): Move code from do_plugin_hook inline.
11717         (Plugin_hook::do_plugin_hook): Remove.
11718         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11719         (Plugin_manager::finish): Renamed, was cleanup.
11720         (Plugin_manager::should_defer_layout): New function.
11721         (Plugin_manager::add_deferred_layout_object): New function.
11722         (Plugin_manager::Deferred_layout_list): New type.
11723         (Plugin_manager::deferred_layout_objects_): New field.
11724         (Plugin_hook::do_plugin_hook): Remove.
11725
11726 2008-12-17  Ian Lance Taylor  <iant@google.com>
11727
11728         * options.h (class General_options): Add --no case for
11729         --export-dynamic.
11730
11731 2008-12-16  Cary Coutant  <ccoutant@google.com>
11732
11733         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11734         vector.
11735         (Plugin_manager::claim_file): Create plugin object even if
11736         plugin did not call the add_symbols callback.
11737         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11738         asking for more symbols than were added.
11739         * testsuite/Makefile.am (plugin_test_1): Add test case with
11740         no global symbols.
11741         (empty.syms): New target.
11742         * testsuite/Makefile.in: Regenerate.
11743         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11744         message. Don't call add_symbols if no globals.
11745         (all_symbols_read_hook): Don't provide replacement for empty
11746         claimed file.
11747
11748 2008-12-12  Ian Lance Taylor  <iant@google.com>
11749
11750         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11751         r_type == 0 for a local symbol with r_sym == 0.
11752         (scan_relocatable_relocs): Pass r_sym to
11753         local_non_section_strategy.
11754         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11755         r_sym parameter.
11756
11757         * configure.ac: Update test for TLS descriptors: they are
11758         supported as of glibc 2.9.
11759         * configure: Rebuild.
11760
11761 2008-12-11  Ian Lance Taylor  <iant@google.com>
11762
11763         PR 7091
11764         * target-reloc.h (Default_scan_relocatable_relocs): For each
11765         function, map r_type == 0 to RELOC_DISCARD.
11766
11767 2008-12-10  Cary Coutant  <ccoutant@google.com>
11768
11769         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11770         object to override a kept COMDAT group from a plugin object.
11771
11772 2008-12-09  Ian Lance Taylor  <iant@google.com>
11773
11774         PR 7088
11775         * yyscript.y (file_cmd): Handle INPUT.
11776
11777         * testsuite/initpri1.c: Change all declarations to be full
11778         prototypes by adding void, to avoid compiler warnings.
11779
11780 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11781
11782         * options.cc (General_options::parse_plugin_opt): New.
11783         (General_options::add_plugin): The argument now is just the filename.
11784         (General_options::add_plugin_option): New.
11785         * options.h (plugin_opt): New.
11786         (add_plugin): Change argument name.
11787         (add_plugin_option): New.
11788         * plugin.cc (Plugin::load): Don't parse the plugin option.
11789         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11790         (Plugin::add_option): New.
11791         (Plugin::args_): Change type.
11792         (Plugin::filename_): New.
11793         (Plugin_manager::add_plugin_option): New.
11794         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11795         * testsuite/Makefile.in: Regenerate.
11796
11797 2008-12-05  Cary Coutant  <ccoutant@google.com>
11798
11799         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11800         Handle --strip-lto-sections option.
11801         * options.h (strip_lto_sections): New option.
11802
11803 2008-12-01  Cary Coutant  <ccoutant@google.com>
11804
11805         * plugin.cc (ld_plugin_message): Change format parameter to const.
11806         Fix mismatch between new[] and delete.
11807
11808 2008-11-14  Cary Coutant  <ccoutant@google.com>
11809
11810         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11811         instead of -1U.
11812
11813 2008-11-05  Craig Silverstein  <csilvers@google.com>
11814
11815         * options.cc (General_options::parse_dynamic_list): New function.
11816         * options.h (General_options): New flags dynamic_list,
11817         dynamic_list_data, dynamic_list_cpp_new, and
11818         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11819         (General_options::in_dynamic_list): New function.
11820         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11821         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11822         (Lex::can_continue_name): Likewise.
11823         (yylex): Likewise.
11824         (read_script_file): New parameter script_options.
11825         (read_dynamic_list): New function.
11826         (Script_options::define_dynamic_list): New function.
11827         (dynamic_list_keyword_parsecodes): New variable.
11828         (dynamic_list_keywords): New variable.
11829         * script.h (Script_options::define_dynamic_list): New function
11830         prototype.
11831         (read_dynamic_list): New function prototype.
11832         * symtab.cc (strprefix): New macro.
11833         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11834         dynamic_list_data, dynamic_list_cpp_new, and
11835         dynamic_list_cpp_typeinfo.
11836         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11837         (dynamic_list_expr): New rule.
11838         (dynamic_list_nodes): Likewise.
11839         (dynamic_list_node): Likewise.
11840         * testsuite/Makefile.am (dynamic_list): New test.
11841         * testsuite/Makefile.in: Regenerated.
11842         * testsuite/dynamic_list.t: New file.
11843         * testsuite/dynamic_list.sh: New file.
11844
11845 2008-11-05  Craig Silverstein  <csilvers@google.com>
11846
11847         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11848         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11849         (t11_last): Likewise.
11850         * testsuite/ver_test_6.c (main): Likewise.
11851
11852 2008-10-07  Cary Coutant  <ccoutant@google.com>
11853
11854         * options.c (General_options::finalize): Add check for -static and
11855         -shared.
11856         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11857         is not empty.
11858
11859 2008-10-02  Cary Coutant  <ccoutant@google.com>
11860
11861         * plugin.cc (make_sized_plugin_object): Fix conditional
11862         compilation to work when not all targets are enabled.
11863
11864 2008-09-29  Cary Coutant  <ccoutant@google.com>
11865
11866         * archive.cc (Archive::get_file_and_offset): Use filename instead
11867         of name to get library path.
11868         (Archive::include_member): Unlock external member of a thin archive.
11869
11870         * testsuite/Makefile.am (TEST_AR): New variable.
11871         (thin_archive_test_1): New test.
11872         (thin_archive_test_2): New test.
11873         * testsuite/Makefile.in: Regenerate.
11874         * testsuite/thin_archive_main.cc: New file.
11875         * testsuite/thin_archive_test_1.cc: New file.
11876         * testsuite/thin_archive_test_2.cc: New file.
11877         * testsuite/thin_archive_test_3.cc: New file.
11878         * testsuite/thin_archive_test_4.cc: New file.
11879
11880 2008-09-29  Cary Coutant  <ccoutant@google.com>
11881
11882         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11883         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11884         instead of -1U.
11885         (Sized_relobj::do_finalize_local_symbols): Likewise.
11886         (Sized_relobj::map_to_kept_section): Likewise.
11887         * object.h (Sized_relobj::invalid_address): New constant.
11888         (Sized_relobj::do_output_section_offset): Check for invalid_address
11889         and return -1ULL.
11890         * output.cc (Output_reloc::local_section_offset): Use constant
11891         invalid_address instead of -1U.
11892         (Output_reloc::get_address): Likewise.
11893         (Output_section::output_address): Change -1U to -1ULL.
11894         * output.h (Output_reloc::invalid_address): New constant.
11895         * reloc.cc (Sized_relobj::write_sections): Use constant
11896         invalid_address instead of -1U.
11897         (Sized_relobj::relocate_sections): Likewise.
11898         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11899         values for merge sections.
11900         * target-reloc.h (relocate_for_relocatable): Use constant
11901         invalid_address instead of -1U.
11902
11903 2008-09-19  Cary Coutant  <ccoutant@google.com>
11904
11905         Add plugin functionality for link-time optimization (LTO).
11906         * configure.ac (plugins): Add --enable-plugins option.
11907         * configure: Regenerate.
11908         * config.in: Regenerate.
11909         * Makefile.am (LIBDL): New variable.
11910         (CCFILES): Add plugin.cc.
11911         (HFILES): Add plugin.h.
11912         (ldadd_var): Add LIBDL.
11913         * Makefile.in: Regenerate.
11914
11915         * archive.cc: Include "plugin.h".
11916         (Archive::setup): Don't preread archive symbols when using a plugin.
11917         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11918         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11919         files.
11920         (Archive::include_member): Add symbols from plugin objects.
11921         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11922         * descriptors.cc (Descriptors::open): Check for file descriptors
11923         abandoned by plugins.
11924         (Descriptors::claim_for_plugin): New function.
11925         * descriptors.h (Descriptors::claim_for_plugin): New function.
11926         (Open_descriptor::is_claimed): New field.
11927         (claim_descriptor_for_plugin): New function.
11928         * fileread.cc (File_read::claim_for_plugin): New function.
11929         * fileread.h (File_read::claim_for_plugin): New function.
11930         (File_read::descriptor): New function.
11931         * gold.cc: Include "plugin.h".
11932         (queue_initial_tasks): Add task to call plugin hooks for generating
11933         new object files.
11934         * main.cc: Include "plugin.h".
11935         (main): Load plugin libraries.
11936         * object.h (Pluginobj): Declare.
11937         (Object::pluginobj): New function.
11938         (Object::do_pluginobj): New function.
11939         (Object::set_target): New function.
11940         * options.cc: Include "plugin.h".
11941         (General_options::parse_plugin): New function.
11942         (General_options::General_options): Initialize plugins_ field.
11943         (General_options::add_plugin): New function.
11944         * options.h (Plugin_manager): Declare.
11945         (General_options): Add --plugin option.
11946         (General_options::has_plugins): New function.
11947         (General_options::plugins): New function.
11948         (General_options::add_plugin): New function.
11949         (General_options::plugins_): New field.
11950         * plugin.cc: New file.
11951         * plugin.h: New file.
11952         * readsyms.cc: Include "plugin.h".
11953         (Read_symbols::do_read_symbols): Check for archive before checking
11954         for ELF file.  Call plugin hooks to claim files.
11955         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11956         from a real object file; force override when processing replacement
11957         files.
11958         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11959         (Symbol::init_base_object): Likewise.
11960         (Symbol::init_base_output_data): Likewise.
11961         (Symbol::init_base_output_segment): Likewise.
11962         (Symbol::init_base_constant): Likewise.
11963         (Symbol::init_base_undefined): Likewise.
11964         (Symbol::output_section): Assert that object is not a plugin.
11965         (Symbol_table::add_from_pluginobj): New function.
11966         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11967         undefined.
11968         (Symbol_table::sized_write_globals): Likewise.
11969         (Symbol_table::add_from_pluginobj): Instantiate template.
11970         * symtab.h (Sized_pluginobj): Declare.
11971         (Symbol::in_real_elf): New function.
11972         (Symbol::set_in_real_elf): New function.
11973         (Symbol::in_real_elf_): New field.
11974         (Symbol_table::add_from_pluginobj): New function.
11975
11976         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11977         (LIBDL): New variable.
11978         (LDADD): Add LIBDL.
11979         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11980         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11981         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11982         (MOSTLYCLEANFILES): Likewise.
11983         * testsuite/Makefile.in: Regenerate.
11984         * testsuite/plugin_test.c: New file.
11985         * testsuite/plugin_test_1.sh: New file.
11986         * testsuite/plugin_test_2.sh: New file.
11987
11988 2008-09-16  Ian Lance Taylor  <iant@google.com>
11989
11990         * target-reloc.h (relocate_section): Check whether a symbol is
11991         defined by the ABI before reporting an undefined symbol error.
11992         * target.h (Target::is_defined_by_abi): Make parameter const.
11993         (Target::do_is_defined_by_abi): Likewise.
11994         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11995         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11996         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11997         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11998         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11999         * testsuite/Makefile.in: Rebuild.
12000
12001         * fileread.cc (make_view): Add casts to avoid warning.
12002
12003 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12004
12005         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12006         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12007
12008 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12009
12010         * options.h (General_options::output_is_executable): New.
12011         (General_options::output_is_pie): New.
12012         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12013         for shared libraries.
12014         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12015
12016 2008-09-11  Chris Demetriou  <cgd@google.com>
12017
12018         * options.h (origin): New -z option.
12019         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12020         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12021         in DT_FLAGS_1.
12022
12023 2008-09-05  Cary Coutant  <ccoutant@google.com>
12024
12025         * fileread.cc (File_read::make_view): Add check for attempt to map
12026         beyond end of file.
12027
12028 2008-09-05  Cary Coutant  <ccoutant@google.com>
12029
12030         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12031         explicit instantiations.
12032
12033 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12034
12035         PR gold/6858
12036         * options.cc (General_options::finalize): Allow undefined symbols
12037         in shlibs if linking -shared.
12038
12039         PR gold/6859
12040         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12041         symbols as not needing a dynsym entry.
12042
12043 2008-08-20  Craig Silverstein  <csilvers@google.com>
12044
12045         * fileread.cc (File_read::open): Do not lock the file unless it
12046         was successfully opened.
12047
12048 2008-08-14  Cary Coutant  <ccoutant@google.com>
12049
12050         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12051         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12052         * testsuite/tls_test.cc (struct int128): 128-bit struct
12053         for testing TLS relocs with non-zero addend.
12054         (v12): New TLS variable.
12055         (t12): New test.
12056         (t_last): Add check for v12.
12057         * testsuite/tls_test.h (t12): New function.
12058         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12059
12060 2008-08-13  Ian Lance Taylor  <iant@google.com>
12061
12062         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12063         set tls_segment_ or relro_segment_.
12064         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12065         when appropriate.
12066         * output.h (Output_section::clear_is_relro): New function.
12067         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12068         sections specially even when output_data_ is empty.
12069         (Output_segment::maximum_alignment): When first section is relro,
12070         only force alignment for PT_LOAD segments.
12071         * script.cc (script_data_segment_align): New function.
12072         (script_data_segment_relro_end): New function.
12073         * script-c.h (script_data_segment_align): Declare.
12074         (script_data_segment_relro_end): Declare.
12075         * script-sections.h (class Script_sections): Declare
12076         data_segment_align and data_segment_relro_end.  Add fields
12077         segment_align_index_ and saw_relro_end_.
12078         * script-sections.cc (class Sections_element): Add set_is_relro
12079         virtual function.  Add new bool* parameter to place_orphan_here.
12080         Add get_output_section virtual function.
12081         (class Output_section_definition): Add set_is_relro.  Add new
12082         bool* parameter to place_orphan_here.  Add get_output_section.
12083         Add is_relro_ field.
12084         (Output_section_definition::Output_section_definition): Initialize
12085         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12086         and is_relro_ fields.
12087         (Output_section_definition::place_orphan_here): Add is_relro
12088         parameter.
12089         (Output_section_definition::set_section_addresses): Set relro for
12090         output section.
12091         (Output_section_definition::alternate_constraint): Likewise.
12092         (class Orphan_output_section): Add new bool* parameter to
12093         place_orphan_here.  Add get_output_section.
12094         (Orphan_output_section::place_orphan_here): Add is_relro
12095         parameter.
12096         (Script_sections::Script_sections): Initialize
12097         data_segment_align_index_ and saw_relro_end_.
12098         (Script_sections::data_segment_align): New function.
12099         (Script_sections::data_segment_relro_end): New function.
12100         (Script_sections::place_orphan): Set or clear is_relro.
12101         (Script_sections::set_section_addresses): Force alignment of first
12102         TLS section.
12103         * yyscript.y (exp): Call script_data_segment_align and
12104         script_data_segment_relro_end.
12105         * testsuite/relro_script_test.t: New file.
12106         * testsuite/relro_test.cc (using_script): Declare.
12107         (t1, t2): Test using_script.
12108         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12109         (relro_script_test_SOURCES): Define.
12110         (relro_script_test_DEPENDENCIES): Define.
12111         (relro_script_test_LDFLAGS): Define.
12112         (relro_script_test_LDADD): Define.
12113         (relro_script_test.so): New target.
12114         * testsuite/Makefile.in: Rebuild.
12115
12116 2008-08-06  Cary Coutant <ccoutant@google.com>
12117
12118         * archive.cc (Archive::total_archives, Archive::total_members)
12119         (Archive::total_members_loaded): New variables.
12120         (Archive::setup): Add parameter.  Add option to preread
12121         archive symbols.
12122         (Archive::read_armap): Add counter.
12123         (Archive::get_file_and_offset): New function.
12124         (Archive::get_elf_object_for_member): New function.
12125         (Archive::read_all_symbols): New function.
12126         (Archive::read_symbols): New function.
12127         (Archive::add_symbols): Add counters.
12128         (Archive::include_all_members): Use armap to find members if it's
12129         already built.
12130         (Archive::include_member): Skip reading symbols if already read.
12131         Factored code into Archive::get_file_and_offset and
12132         Archive::get_elf_object_for_member.  Changed call to
12133         Mapfile::report_include_archive_member.
12134         (Archive::print_stats): New function.
12135         * archive.h: Declare Object and Read_symbols_data classes.
12136         (Archive::Archive): Add initializers for new members.
12137         (Archive::setup): Add parameter.
12138         (Archive::print_stats): New function.
12139         (Archive::total_archives, Archive::total_members)
12140         (Archive::total_members_loaded): New variables.
12141         (Archive::get_file_and_offset): New function.
12142         (Archive::get_elf_object_for_member): New function.
12143         (Archive::read_all_symbols): New function.
12144         (Archive::read_symbols): New function.
12145         (Archive::Archive_member): New class.
12146         (Archive::members_): New member.
12147         (Archive::num_members_): New member.
12148         * main.cc: Include archive.h.
12149         (main): Call Archive::print_stats.
12150         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12151         archive parameter; member_name is now the fully-decorated name.
12152         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12153         * options.h: (General_options): Add --preread-archive-symbols option.
12154         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12155         Archive::setup.
12156
12157 2008-08-04  Ian Lance Taylor  <iant@google.com>
12158
12159         * symtab.h (Symbol::use_plt_offset): New function.
12160         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12161         * powerpc.cc (Relocate::relocate): Likewise.
12162         * sparc.cc (Relocate::relocate): Likewise.
12163         * x86_64.cc (Relocate::relocate): Likewise.
12164         * testsuite/weak_plt.sh: New test.
12165         * testsuite/weak_plt_main.cc: New test.
12166         * testsuite/weak_plt_shared.cc: New test.
12167         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12168         (check_PROGRAMS): Add weak_plt.
12169         (check_DATA): Add weak_plt_shared.so.
12170         (weak_plt_main_pic.o, weak_plt): New targets.
12171         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12172         * testsuite/Makefile.in: Rebuild.
12173
12174         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12175         gcctestdir/ld.
12176         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12177         * testsuite/Makefile.in: Rebuild.
12178
12179 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12180
12181         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12182         * Makefile.in: Regenerate.
12183         * po/POTFILES.in: Regenerate.
12184
12185 2008-07-29  Ian Lance Taylor  <iant@google.com>
12186
12187         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12188         symbols before other symbols.
12189         * testsuite/script_test_2.cc (test_addr): Declare.
12190         (test_addr_alias): Declare.
12191         (main): Check that test_addr and test_addr_alias have the right
12192         values.
12193         * testsuite/script_test_2.t: Define test_addr_alias and
12194         test_addr.
12195
12196 2008-07-24  Ian Lance Taylor  <iant@google.com>
12197
12198         PR 5990
12199         * descriptors.cc: New file.
12200         * descriptors.h: New file.
12201         * gold-threads.h (class Hold_optional_lock): New class.
12202         * fileread.cc: Include "descriptors.h".
12203         (File_read::~File_read): Release descriptor rather than closing
12204         it.
12205         (File_read::open) [file]: Call open_descriptor rather than open.
12206         Set is_descriptor_opened_.
12207         (File_read::open) [memory]: Assert that descriptor is not open.
12208         (File_read::reopen_descriptor): New function.
12209         (File_read::release): Release descriptor.
12210         (File_read::do_read): Make non-const.  Reopen descriptor.
12211         (File_read::read): Make non-const.
12212         (File_read::make_view): Reopen descriptor.
12213         (File_read::do_readv): Likewise.
12214         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12215         Update declarations.
12216         * layout.cc: Include "descriptors.h".
12217         (Layout::create_build_id): Use open_descriptor rather than open.
12218         * output.cc: Include "descriptors.h".
12219         (Output_file::open): Use open_descriptor rather than open.
12220         * archive.cc (Archive::const_iterator): Change Archive to be
12221         non-const.
12222         (Archive::begin, Archive::end): Make non-const.
12223         (Archive::count_members): Likewise.
12224         * archive.h (class Archive): Update declarations.
12225         * object.h (Object::read): Make non-const.
12226         * Makefile.am (CCFILES): Add descriptors.cc.
12227         (HFILES): Add descriptors.h.
12228         * Makefile.in: Rebuild.
12229
12230         PR 6716
12231         * gold.h: Always include <clocale>.  Add Solaris workarounds
12232         following code in binutils/sysdep.h.
12233
12234         PR 6048
12235         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12236         this->eh_frame_hdr_ is NULL before using it.
12237
12238         * dynobj.cc (Versions::Versions): Update comment.
12239
12240         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12241         the base version name.
12242
12243         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12244         array size plus one.
12245         (Stringpool_template::set_string_offsets): Subtract one from key
12246         before using it as an array index.
12247         (Stringpool_template::get_offset_with_length): Likewise.
12248         (Stringpool_template::write_to_buffer): Likewise.
12249         * stringpool.h (Stringpool_template::get_offset_from_key):
12250         Likewise.
12251
12252 2008-07-23  Ian Lance Taylor  <iant@google.com>
12253
12254         PR 6658
12255         * object.h (Merged_symbol_value::value): Do our best to handle a
12256         negative addend.
12257
12258         PR 6647
12259         * script.cc (Version_script_info::get_versions): Don't add empty
12260         version tag to return value.
12261         (Version_script_info::get_symbol_version_helper): Change return
12262         type to bool.  Add pversion parameter.  Change all callers.
12263         (script_register_vers_node): Don't require a non-NULL tag.
12264         * script.h (class Version_script_info): Update declarations.
12265         (Version_script_info::get_symbol_version): Change return type to
12266         bool.  Add version parameter.  Change all callers.
12267         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12268         handling.  Handle an empty version from a version script.
12269         (Symbol_table::define_special_symbol): Likewise.
12270         * testsuite/ver_test_10.script: New file.
12271         * testsuite/ver_test_10.sh: New file.
12272         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12273         (check_DATA): Add ver_test_10.syms.
12274         (ver_test_10.syms, ver_test_10.so): New target.
12275         * testsuite/Makefile.in: Rebuild.
12276
12277 2008-07-23  Simon Baldwin  <simonb@google.com>
12278
12279         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12280         to zero for undefined symbols from dynamic libraries.
12281
12282 2008-07-23  Ian Lance Taylor  <iant@google.com>
12283
12284         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12285         Change all callers.
12286         * symtab.h (class Symbol_table): Update declaration.
12287         * testsuite/ver_test_9.cc: New file.
12288         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12289         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12290         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12291         (ver_test_9.so, ver_test_9.o): New targets.
12292         * testsuite/Makefile.in: Rebuild.
12293
12294 2008-07-22  Ian Lance Taylor  <iant@google.com>
12295
12296         * options.h (class General_options): Define --check-sections.
12297         * layout.cc (Layout::set_segment_offsets): Handle
12298         --check-sections.
12299
12300         * options.h (class General_options): Define -n/--nmagic and
12301         -N/--omagic.
12302         * options.cc (General_options::finalize): For -n/--nmagic or
12303         -N/--omagic, set -static.
12304         * layout.cc (Layout::attach_allocated_section_to_segment): If
12305         -N/--omagic, don't put read-only and read-write sections in
12306         different segments.
12307         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12308         finding a read-only segment.
12309         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12310         don't set the minimum segment alignment to the common page size,
12311         and don't set the file offset to the address modulo the page size.
12312         * script-sections.cc (Script_sections::create_segments): If
12313         -n/--omagic, don't put read-only and read-write sections in
12314         different segments.
12315
12316         * cref.cc: New file.
12317         * cref.h: New file.
12318         * options.h (class General_options): Add --print-symbol-counts.
12319         * main.cc (main): Issue defined symbol report if requested.
12320         * archive.cc (Archive::interpret_header): Make into a const member
12321         function.
12322         (Archive::add_symbols): Call Input_objects::archive_start and
12323         archive_stop.
12324         (Archive::const_iterator): Define new class.
12325         (Archive::begin, Archive::end): New functions.
12326         (Archive::include_all_members): Rewrite to use iterator.
12327         (Archive::count_members): New function.
12328         * archive.h (class Archive): Update declarations.
12329         (Archive::filename): New function.
12330         * object.cc: Include "cref.h".
12331         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12332         (Sized_relobj::do_get_global_symbol_counts): New function.
12333         (Input_objects::add_object): Add object to cross-referencer.
12334         (Input_objects::archive_start): New function.
12335         (Input_objects::archive_stop): New function.
12336         (Input_objects::print_symbol_counts): New function.
12337         * object.h: Declare Cref and Archive.
12338         (Object::get_global_symbol_counts): New function.
12339         (Object::do_get_global_symbol_counts): New pure virtual function.
12340         (class Sized_relobj): Add defined_count_ field.  Update
12341         declarations.
12342         (class Input_objects): Add cref_ field.  Update constructor.
12343         Update declarations.
12344         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12345         defined_count_.
12346         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12347         symbol counts.
12348         (Sized_dynobj::do_get_global_symbol_counts): New function.
12349         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12350         defined_count_.  Update declarations.  Define Symbols typedef.
12351         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12352         parameter.  Change all callers.
12353         (Symbol_table::add_from_dynobj): Add sympointers and defined
12354         parameters.  Change all callers.
12355         * symtab.h (class Symbol_table): Update declarations.
12356         * Makefile.am (CCFILES): Add cref.cc.
12357         (HFILES): Add cref.h.
12358         * Makefile.in: Rebuild.
12359
12360 2008-07-22  Simon Baldwin  <simonb@google.com>
12361
12362         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12363         to zero when writing undefined symbols.
12364
12365 2008-07-22  Ian Lance Taylor  <iant@google.com>
12366
12367         * output.cc (Output_section::add_input_section): Don't try to
12368         merge empty merge sections.
12369
12370 2008-07-21  Craig Silverstein  <csilvers@google.com>
12371
12372         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12373         Include symbol version in error message.
12374
12375 2008-07-20  Chris Demetriou  <cgd@google.com>
12376
12377         * configure.ac (gold_cv_c_random_seed): New configured variable.
12378         (RANDOM_SEED_CFLAGS): New substituted variable.
12379         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12380         * configure: Rebuild.
12381         * Makefile.in: Likewise.
12382         * testsuite/Makefile.in: Likewise.
12383
12384 2008-07-18  Ian Lance Taylor  <iant@google.com>
12385
12386         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12387         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12388         * testsuite/ver_test_main.cc (main): Call t4.
12389         (t4, t4_2a): Define.
12390         * testsuite/ver_test_2.cc (t4_2): Define.
12391         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12392         * testsuite/ver_test_4.cc (t4_2a): Define.
12393         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12394         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12395
12396 2008-07-17  Ian Lance Taylor  <iant@google.com>
12397
12398         * dynobj.cc (Versions::add_def): If we give an error about a
12399         missing version, go ahead and create the version anyhow.
12400
12401 2008-07-10  Ian Lance Taylor  <iant@google.com>
12402
12403         Handle output sections with more than 0x7fffffff bytes.
12404         * object.h (class Relobj): Change map_to_output_ to
12405         output_sections_, and just keep a section pointer.  Change all
12406         uses.  Move comdat group support to Sized_relobj.
12407         (Relobj::is_section_specially_mapped): Remove.
12408         (Relobj::output_section): Remove poff parameter.  Change all
12409         callers.
12410         (Relobj::output_section_offset): New function.
12411         (Relobj::set_section_offset): Rewrite.
12412         (Relobj::map_to_output): Remove.
12413         (Relobj::output_sections): New function.
12414         (Relobj::do_output_section_offset): New pure virtual function.
12415         (Relobj::do_set_section_offset): Likewise.
12416         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12417         group support from Relobj.  Update declarations.
12418         (Sized_relobj::get_output_section_offset): New function.
12419         (Sized_relobj::do_output_section_offset): New function.
12420         (Sized_relobj::do_set_section_offset): New function.
12421         * object.cc (Relobj::output_section_address): Remove.
12422         (Sized_relobj::Sized_relobj): Initialize new fields.
12423         (Sized_relobj::include_section_group): Cast find_kept_object to
12424         Sized_relobj.
12425         (Sized_relobj::include_linkonce_section): Likewise.
12426         (Sized_relobj::do_layout): Use separate arrays for output section
12427         and output offset.
12428         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12429         output_sections.
12430         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12431         output_sections and section_offsets.
12432         (Sized_relobj::write_local_symbols): Likewise.
12433         (map_to_kept_section): Compute output address directly.
12434         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12435         output_sections and section_offsets.
12436         (Sized_relobj::write_sections): Likewise.
12437         (Sized_relobj::relocate_sections): Likewise.
12438         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12439         * output.h (class Output_reloc): Update declarations.  Change
12440         u2_.relobj to Sized_relobj*.
12441         (class Output_data_reloc): Change add functions to use
12442         Sized_relobj*.
12443         * output.cc (Output_reloc::Output_reloc): Change relobj to
12444         Sized_relobj*.
12445         (Output_reloc::local_section_offset): Change return type to
12446         Elf_Addr.  Use get_output_section_offset.
12447         (Output_reloc::get_address): Likewise.
12448         (Output_section::is_input_address_mapped): Don't call
12449         is_section_specially_mapped.
12450         (Output_section::output_offset): Likewise.
12451         (Output_section::output_address): Likewise.
12452         (Output_section::starting_output_address): Likewise.
12453         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12454         parameter to Sized_relobj*.
12455         (Copy_relocs::need_copy_reloc): Likewise.
12456         (Copy_relocs::save): Likewise.
12457         * copy-relocs.h (class Copy_relocs): Update declarations.
12458         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12459         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12460         * target-reloc.h (relocate_for_relocatable): Change
12461         offset_in_output_section type to Elf_Addr.  Change code that uses
12462         it as well.
12463         * layout.cc (Layout::layout): Always set *off.
12464         * mapfile.cc (Mapfile::print_input_section): Use
12465         output_section_offset.
12466         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12467         Sized_relobj*.
12468         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12469         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12470         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12471
12472 2008-07-03  Ian Lance Taylor  <iant@google.com>
12473
12474         * layout.cc (Layout::include_section): Do not discard unrecognized
12475         SHT_STRTAB sections.
12476
12477 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12478
12479         * script.cc (Lex::can_continue_name): Make '?' allowable in
12480         version-script names.
12481         * testsuite/version_script.map: Change glob pattern to use '?'
12482
12483 2008-06-30  Manish Singh  <yosh@gimp.org>
12484
12485         PR 6585
12486         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12487         Correct typo.
12488
12489 2008-06-30  Ian Lance Taylor  <iant@google.com>
12490
12491         PR 6660
12492         PR 6682
12493         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12494         versions]: Don't try to read the value in the contents, since we
12495         don't use it.  Use the template endianness when writing.
12496
12497 2008-06-25  Cary Coutant  <ccoutant@google.com>
12498
12499         * fileread.cc (File_read::make_view): Assert on zero-length view.
12500         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12501         symbol table when there are no symbols to read.
12502
12503 2008-06-23  Craig Silverstein  <csilvers@google.com>
12504
12505         * version.cc (version_string): Bump to 1.7
12506
12507 2008-06-18  Craig Silverstein  <csilvers@google.com>
12508
12509         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12510         constant 0xFFFF to type Valtype.
12511         (Powerpc_relocate_functions::rel16_ha): Likewise.
12512
12513 2008-06-17  Ian Lance Taylor  <iant@google.com>
12514
12515         * output.h (Output_section::Input_section): Initialize p2align_ to
12516         zero for Output_section_data constructors.
12517         (Output_section::Input_section::addralign): If not an input
12518         section, return the alignment of the Output_section_data.
12519         * testsuite/copy_test.cc: New file.
12520         * testsuite/copy_test_1.cc: New file.
12521         * testsuite/copy_test_2.cc: New file.
12522         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12523         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12524         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12525         (copy_test_1_pic.o, copy_test_1.so): New targets.
12526         (copy_test_2_pic.o, copy_test_2.so): New targets.
12527         * testsuite/Makefile.in: Rebuild.
12528
12529         * script-sections.cc (Script_sections::place_orphan): Initialize
12530         local variable exact.
12531
12532 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12533
12534         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12535
12536 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12537             David S. Miller  <davem@davemloft.net>
12538
12539         * powerpc.cc: New file.
12540         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12541         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12542         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12543         * Makefile.in: Rebuild.
12544
12545 2008-06-09  Ian Lance Taylor  <iant@google.com>
12546
12547         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12548         <exception>.
12549         (throwing, orig_terminate): New static variables.
12550         (terminate_handler): New static function.
12551         (t2): Set terminate handler.
12552
12553 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12554
12555         PR 6584
12556         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12557         alignment.
12558
12559 2008-05-30  Cary Coutant  <ccoutant@google.com>
12560
12561         * archive.cc (Archive::include_all_members) Correct to step
12562         over symbol table and extended name table in thin archives.
12563
12564 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12565
12566         PR 6407
12567         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12568         calculation.
12569
12570 2008-05-28  Caleb Howe  <cshowe@google.com>
12571
12572         * reduced_debug_output.cc: New file.
12573         * reduced_debug_output.h: New file.
12574         * options.h (class General_options): Add --strip-debug-non-line.
12575         * options.cc (General_options::finalize): Add strip_debug_non_line
12576         to the strip heirarchy.
12577         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12578         fields.
12579         * layout.cc: Include "reduced_debug_output.h".
12580         (Layout::Layout): Initialize new fields.
12581         (line_only_debug_sections): New static array.
12582         (is_lines_only_debug_sections): New static inline function.
12583         (Layout::include_section): Handle --strip-debug-non-line.
12584         (Layout::make_output_section): If --strip-debug-non-line, build
12585         new output sections for .debug_abbrev and .debug_info.
12586         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12587         gold.  Warn about possible overflow.
12588         (read_signed_LEB_128): Likewise.
12589         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12590         (read_signed_LEB_128): Declare.
12591         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12592         (HFILES): Add reduced_debug_output.h.
12593         * Makefile.in: Rebuild.
12594
12595 2008-05-21  Ian Lance Taylor  <iant@google.com>
12596
12597         * mapfile.cc: New file.
12598         * mapfile.h: New file.
12599         * options.h (class General_options): Add -M/--print-map and -Map.
12600         * options.cc (General_options::finalize): Make -M equivalent to
12601         -Map -.
12602         * main.cc: Include <cstdio> and "mapfile.h".
12603         (main): Open mapfile if requested.
12604         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12605         constructor.  Change caller.
12606         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12607         (queue_middle_tasks): Likewise.
12608         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12609         declarations.
12610         * archive.cc: Include "mapfile.h".
12611         (Archive::add_symbols): Add mapfile parameter.  Change all
12612         callers.  Pass mapfile, symbol, and reason to include_member.
12613         (Archive::include_all_members): Add mapfile parameter.  Change all
12614         callers.
12615         (Archive::include_member): Add mapfile, sym, and why parameters.
12616         Change all callers.  Report inclusion to map file.
12617         * archive.h: Include "fileread.h".
12618         (class Archive): Update declarations.
12619         (Archive::file): New const method.
12620         (class Add_archive_symbols): Add mapfile_ field.  Update
12621         constructor.  Change all callers.
12622         * readsyms.h (class Read_symbols): Likewise.
12623         (class Finish_group): Likewise.
12624         (class Read_script): Likewise.
12625         * common.cc: Include "mapfile.h".
12626         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12627         all callers.
12628         (Symbol_table::do_allocate_commons): Likewise.
12629         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12630         symbol allocation to mapfile.
12631         * common.h (class Allocate_commons_task): Add mapfile_ field.
12632         Update constructor.  Change all callers.
12633         * symtab.h (class Symbol_table): Update declarations.
12634         * layout.cc: Include "mapfile.h".
12635         (Layout_task_runner::run): Print information to mapfile.
12636         (Layout::create_gold_note): Change Output_data_fixed_space to
12637         Output_data_zero_fill.
12638         (Layout::create_build_id): Likewise.
12639         (Layout::print_to_mapfile): New function.
12640         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12641         constructor.  Change caller.
12642         (class Layout): Declare print_to_mapfile.
12643         * output.cc (Output_section::Input_section::print_to_mapfile): New
12644         function.
12645         (Output_section::add_input_section): If producing a map, always
12646         add to input_sections_ list.
12647         (Output_section::do_print_to_mapfile): New function.
12648         (Output_segment::print_sections_to_mapfile): New function.
12649         (Output_segment::print_section_list_to_mapfile): New function.
12650         * output.h: Include "mapfile.h".
12651         (Output_data::print_to_mapfile): New function.
12652         (Output_data::do_print_to_mapfile): New virtual function.
12653         (Output_segment_headers::do_print_to_mapfile): New function.
12654         (Output_file_header::do_print_to_mapfile): New function.
12655         (Output_data_const::do_print_to_mapfile): New function.
12656         (class Output_data_const_buffer): Add map_name_ field.  Update
12657         constructor.  Change all callers.  Add do_print_to_mapfile
12658         function.
12659         (class Output_data_fixed_space): Likewise.
12660         (class Output_data_space): Likewise.
12661         (class Output_data_zero_fill): New class.
12662         (Output_data_strtab::do_print_to_mapfile): New function.
12663         (Output_data_reloc_base::do_print_to_mapfile): New function.
12664         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12665         (Output_data_group::do_print_to_mapfile): New function.
12666         (Output_data_got::do_print_to_mapfile): New function.
12667         (Output_data_dynamic::do_print_to_mapfile): New function.
12668         (Output_symtab_xindex::do_print_to_mapfile): New function.
12669         (class Output_section): Declare do_print_to_mapflie.  Declare
12670         print_to_mapfile in Input_section.
12671         (class Output_segment): Declare new functions.
12672         * object.h (Sized_relobj::symbol_count): New function.
12673         * script-sections.cc
12674         (Output_section_element_dot_assignment::set_section_addresses):
12675         Change Output_data_fixed_space to Output_data_zero_fill.
12676         (Output_data_expression::do_print_to_mapfile): New function.
12677         * script.cc (read_input_script): Add mapfile parameter.  Change
12678         all callers.
12679         * script.h (read_input_script): Update declaration.
12680         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12681         (Eh_frame::do_print_to_mapfile): New function.
12682         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12683         (Output_merge_string::do_print_to_mapfile): New function.
12684         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12685         function.
12686         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12687         function.
12688         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12689         function.
12690         * Makefile.am (CCFILES): Add mapfile.cc.
12691         (HFILES): Add mapfile.h.
12692         * Makefile.in: Rebuild.
12693
12694 2008-05-19  Ian Lance Taylor  <iant@google.com>
12695
12696         * options.h (class General_options): Add -z relro.
12697         * layout.cc (Layout::Layout): Initialize relro_segment_.
12698         (Layout::add_output_section_data): Return the output section.
12699         (Layout::make_output_section): Rcognize relro sections and mark
12700         them appropriately.
12701         (Layout::attach_allocated_section_to_segment): Put relro sections
12702         in a PT_GNU_RELRO segment.
12703         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12704         section as relro.
12705         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12706         PT_TLS segments.
12707         (Layout::linkonce_mapping): Map d.rel.ro.local to
12708         .data.rel.ro.local.
12709         (Layout::output_section_name): Us .data.rel.ro.local for any
12710         section which begins with that.
12711         * layout.h (class Layout): Update add_output_section_data
12712         declaration.  Add relro_segment_ field.
12713         * output.cc (Output_section::Output_section): Initialize is_relro_
12714         and is_relro_local_ fields.
12715         (Output_segment::add_output_section): Group relro sections.
12716         (Output_segment::is_first_section_relro): New function.
12717         (Output_segment::maximum_alignment): If there is a relro section,
12718         align the segment to the common page size.
12719         (Output_segment::set_section_addresses): Track whether we are
12720         looking at relro sections.  If the last section is a relro
12721         section, align to the common page size.
12722         (Output_segment::set_section_list_addresses): Add in_relro
12723         parameter.  Change all callers.  Align to the page size when
12724         moving from relro to non-relro section.
12725         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12726         segment.
12727         * output.h (class Output_section): Add is_relro_ and
12728         is_relro_local_ fields.
12729         (Output_section::is_relro): New function.
12730         (Output_section::set_is_relro): New function.
12731         (Output_section::is_relro_local): New function.
12732         (Output_section::set_is_relro_local): New function.
12733         (class Output_segment): Update declarations.
12734         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12735         * sparc.cc (Target_sparc::got_section): Likewise.
12736         * x86_64.cc (Target_x86_64::got_section): Likewise.
12737         * testsuite/relro_test_main.cc: New file.
12738         * testsuite/relro_test.cc: New file.
12739         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12740         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12741         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12742         (relro_test.so, relro_test_pic.o): New targets.
12743         * testsuite/Makefile.in: Rebuild.
12744
12745 2008-05-16  Ian Lance Taylor  <iant@google.com>
12746
12747         * output.cc (Output_segment::add_output_section): Remove front
12748         parameter.
12749         * output.h (class Output_segment): Remove
12750         add_initial_output_section and overloaded add_output_section.
12751         Update declaration of remaining add_output_section.
12752         * layout.cc (Layout::create_interp): Call add_output_section
12753         rather than add_initial_output_section.
12754         (Layout::finish_dynamic_section): Likewise.
12755
12756         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12757         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12758         know the dynamic type.
12759         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12760         field.  Initialize it in constructor.
12761         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12762         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12763         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12764         reloc.
12765
12766         * output.cc (Output_reloc::get_address): Change return type to
12767         Elf_Addr.
12768         * output.h (class Output_reloc): Update get_address declaration.
12769         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12770         for section addresses.
12771
12772 2008-05-09  Ian Lance Taylor  <iant@google.com>
12773
12774         PR 6493
12775         * gold.cc (gold_nomem): Use return value of write.
12776
12777 2008-05-08  Ian Lance Taylor  <iant@google.com>
12778
12779         * symtab.c (Symbol::init_base_output_data): Add version
12780         parameter.  Change all callers.
12781         (Symbol::init_base_output_segment): Likewise.
12782         (Symbol::init_base_constant): Likewise.
12783         (Symbol::init_base_undefined): Likewise.
12784         (Sized_symbol::init_output_data): Likewise.
12785         (Sized_symbol::init_output_segment): Likewise.
12786         (Sized_symbol::init_constant): Likewise.
12787         (Sized_symbol::init_undefined): Likewise.
12788         (Symbol_table::do_define_in_output_data): If the new symbol has a
12789         version, mark it as the default.
12790         (Symbol_table::do_define_in_output_segment): Likewise.
12791         (Symbol_table::do_define_as_constant): Likewise.
12792         * symtab.h (class Symbol): Update declarations.
12793         (class Sized_symbol): Likewise.
12794         * resolve.cc (Symbol::override_version): New function.
12795         (Symbol::override_base): Call override_version.
12796         (Symbol::override_base_with_special): Likewise.
12797         * testsuite/ver_script_8.script: New file.
12798         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12799         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12800         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12801         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12802
12803 2008-05-06  Ian Lance Taylor  <iant@google.com>
12804
12805         PR 6049
12806         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12807         functions.
12808         (class General_options): Remove existing --undefined, and add
12809         --no-undefined instead.  Add new --undefined as synonym for -u.
12810         * archive.cc (Archive::add_symbols): Check whether symbol was
12811         named with -u.
12812         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12813         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12814         all uses.  Add IS_UNDEFINED.  Update declarations to split
12815         different versions of init_base.  Declare init_base_undefined.
12816         (Symbol::is_defined): Handle IS_UNDEFINED.
12817         (Symbol::is_undefined): Likewise.
12818         (Symbol::is_weak_undefined): Call is_undefined.
12819         (Symbol::is_absolute): Handle IS_CONSTANT.
12820         (class Sized_symbol): Update declarations to split different
12821         versions of init.  Declare init_undefined.
12822         (class Symbol_table): Declare new functions.
12823         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12824         Change all callers.
12825         (Symbol::init_base_output_data): Likewise.
12826         (Symbol::init_base_output_segment): Likewise.
12827         (Symbol::init_base_constant): Likewise.
12828         (Symbol::init_base_undefined): New function.
12829         (Sized_symbol::init_object): Rename from init.  Change all
12830         callers.
12831         (Sized_symbol::init_output_data): Likewise.
12832         (Sized_symbol::init_output_segment): Likewise.
12833         (Sized_symbol::init_constant): Likewise.
12834         (Sized_symbol::init_undefined): New function.
12835         (Symbol_table::add_undefined_symbols_from_command_line): New
12836         function.
12837         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12838         function.
12839         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12840         (Symbol::output_section): Likewise.
12841         (Symbol::set_output_section): Likewise.
12842         (Symbol_table::sized_finalize_symbol): Likewise.
12843         (Symbol_table::sized_write_globals): Likewise.
12844         * resolve.cc (Symbol_table::should_override): Likewise.
12845         (Symbol::override_base_with_special): Likewise.
12846
12847         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12848         symbol, change it to have default visibility.
12849         * testsuite/protected_1.cc: New file.
12850         * testsuite/protected_2.cc: New file.
12851         * testsuite/protected_3.cc: New file.
12852         * testsuite/protected_main_1.cc: New file.
12853         * testsuite/protected_main_2.cc: New file.
12854         * testsuite/protected_main_3.cc: New file.
12855         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12856         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12857         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12858         (protected_1.so): New target.
12859         (protected_1_pic.o, protected_2_pic.o): New targets.
12860         (protected_3_pic.o): New target.
12861         (check_PROGRAMS): Add protected_2.
12862         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12863         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12864         * testsuite/Makefile.in: Rebuild.
12865
12866         * options.h (DEFINE_var): Add set_user_set_##varname__.
12867         (DEFINE_bool_alias): New macro.
12868         (class General_options): Define -Bstatic using DEFINE_bool_alias
12869         rather than DEFINE_special.  Add --undefined as an alias for -z
12870         defs.
12871         * options.cc (General_options::parse_Bstatic): Remove.
12872
12873         * options.h (class General_options): Add --fatal-warnings.
12874         * main.cc (main): Implement --fatal-warnings.
12875         * errors.h (Errors::warning_count): New function.
12876
12877         * options.h (class General_options): Add -Bsymbolic-functions.
12878         * symtab.h (Symbol::is_preemptible): Check for
12879         -Bsymbolic-functions.
12880
12881 2008-05-05  Ian Lance Taylor  <iant@google.com>
12882
12883         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12884         as noVARNAME rather than no-VARNAME.
12885         (class General_options): Add option -z combreloc.
12886         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12887         get_address.
12888         (Output_reloc::sort_before) [SHT_REL]: New function.
12889         (Output_reloc::sort_before) [SHT_RELA]: New function.
12890         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12891         Sort_relocs_comparison.
12892         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12893         parameter.  Change all callers.
12894         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12895         sort_relocs parameter.  Change all callers.
12896         * output.cc (Output_reloc::get_address): New function, broken out
12897         of write_rel.
12898         (Output_reloc::write_rel): Call it.
12899         (Output_reloc::compare): New function.
12900         (Output_data_reloc_base::do_write): Optionally sort relocs.
12901
12902         * configure.ac: If targ_extra_obj is set, link it in.
12903         * configure.tgt: Initialize all variables.
12904         (x86_64*): Set targ_extra_obj and targ_extra_size.
12905         * configure: Rebuild.
12906
12907         * object.cc (Sized_relobj::include_section_group): Adjust section
12908         indexes read from group data.  Build vector to pass to
12909         layout_group.
12910         * layout.cc (Layout::layout_group): Add flags and shndxes
12911         parameters.  Remove contents parameter.  Change caller.  Update
12912         explicit instantiations.
12913         * layout.h (class Layout): Update layout_group declaration.
12914         * output.cc (Output_data_group::Output_data_group): Add flags and
12915         input_shndxes parameters.  Remove contents parameter.  Change
12916         caller.
12917         (Output_data_group::do_write): Change input_sections_ to
12918         input_shndxes_.
12919         * output.h (class Output_data_group): Update constructor
12920         declaration.  Rename input_sections_ to input_shndxes_.
12921         * testsuite/many_sections_test.cc: Add template.
12922
12923 2008-04-30  Cary Coutant  <ccoutant@google.com>
12924
12925         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12926
12927         * layout.cc (Layout::include_section): Refactored check for debug
12928         info section.
12929         (Layout::add_comdat): Add new parameters.  Change type
12930         of signature parameter.  Add object and shndx to signatures table.
12931         (Layout::find_kept_object): New function.
12932         * layout.h: Include <cstring>.
12933         (Layout::is_debug_info_section): New function.
12934         (Layout::add_comdat): Add new parameters.
12935         (Layout::find_kept_object): New function.
12936         (Layout::Kept_section): New struct.
12937         (Layout::Signatures): Change type of map range.
12938         * object.cc (Relobj::output_section_address): New function.
12939         (Sized_relobj::include_section_group): Add new parameters.  Change
12940         calls to Layout::add_comdat.  Change to build table of kept comdat
12941         groups and table mapping discarded sections to kept sections.
12942         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12943         (Sized_relobj::do_layout): Change calls to include_section_group and
12944         include_linkonce_section.
12945         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12946         value to zero when section is discarded.
12947         (Sized_relobj::map_to_kept_section): New function.
12948         * object.h (Relobj::output_section_address): New function.
12949         (Relobj::Comdat_group): New type.
12950         (Relobj::find_comdat_group): New function.
12951         (Relobj::Comdat_group_table): New type.
12952         (Relobj::Kept_comdat_section): New type.
12953         (Relobj::Kept_comdat_section_table): New type.
12954         (Relobj::add_comdat_group): New function.
12955         (Relobj::set_kept_comdat_section): New function.
12956         (Relobj::get_kept_comdat_section): New function.
12957         (Relobj::comdat_groups_): New field.
12958         (Relobj::kept_comdat_sections_): New field.
12959         (Symbol_value::input_value): Update comment.
12960         (Sized_relobj::map_to_kept_section) New function.
12961         (Sized_relobj::include_linkonce_section): Add new parameter.
12962         * target-reloc.h (Comdat_behavior): New type.
12963         (get_comdat_behavior): New function.
12964         (relocate_section): Add code to map a discarded section to the
12965         corresponding kept section when applying a relocation.
12966
12967 2008-04-30  Craig Silverstein  <csilvers@google.com>
12968
12969         * dwarf_reader.cc (next_generation_count): New static var.
12970         (Addr2line_cache_entry): New struct.
12971         (addr2line_cache): New static var.
12972         (Dwarf_line_info::one_addr2line): Added caching.
12973         (Dwarf_line_info::clear_addr2line_cache): New function.
12974         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12975         cache-size parameter.
12976         (Dwarf_line_info::one_addr2line_cache): New function.
12977         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12978         new cache-size argument to one_addr2line(), and clear cache.
12979
12980 2008-04-28  Cary Coutant  <ccoutant@google.com>
12981
12982         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12983         R_386_PC8 relocations.
12984
12985 2008-04-23  Ian Lance Taylor  <iant@google.com>
12986
12987         * object.cc (Sized_relobj::include_section_group): Check for
12988         invalid section group.
12989
12990         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12991         header size.
12992
12993         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12994         than read for file header.
12995         * archive.cc (Archive::include_member): Likewise.
12996
12997 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12998
12999         * aclocal.m4: Regenerate.
13000         * configure: Regenerate.
13001
13002 2008-04-19  Ian Lance Taylor  <iant@google.com>
13003
13004         * version.cc (version_string): Bump to 1.6.
13005
13006         * testsuite/Makefile.am (many_sections_r_test): New target.
13007         (many_sections_r_test_SOURCES): Remove.
13008         (many_sections_r_test_DEPENDENCIES): Remove.
13009         (many_sections_r_test_LDFLAGS): Remove.
13010         (many_sections_r_test_LDADD): Remove.
13011
13012         * object.cc (Sized_relobj::do_add_symbols): Always pass
13013         local_symbol_count_ to add_from_relobj.
13014
13015         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13016         every thousand variables.
13017         * testsuite/Makefile.in: Rebuild.
13018
13019         * object.cc (Xindex::initialize_symtab_xindex): New function.
13020         (Xindex::read_symtab_xindex): New function.
13021         (Xindex::sym_xindex_to_shndx): New function.
13022         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13023         available.
13024         (Sized_relobj::do_initialize_xindex): New function.
13025         (Sized_relobj::do_read_symbols): Adjust section links.
13026         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13027         parameter.  Change all callers.
13028         (Sized_relobj::include_section_group): Adjust section links and
13029         symbol section indexes.
13030         (Sized_relobj::do_layout): Adjust section links.
13031         (Sized_relobj::do_count_local_symbols): Adjust section links and
13032         symbol section indexes.
13033         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13034         ordinary and special symbols.
13035         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13036         dynsym_xindex parameters.  Change all callers.  Adjust section
13037         links.  Use SHN_XINDEX when needed.
13038         (Sized_relobj::get_symbol_location_info): Adjust section links.
13039         Don't get fooled by special symbols.
13040         * object.h (class Xindex): Define.
13041         (class Object): Add xindex_ parameter.  Declare virtual functoin
13042         do_initialize_xindex.
13043         (Object::adjust_sym_shndx): New function.
13044         (Object::set_xindex): New protected function.
13045         (class Symbol_value): Add is_ordinary_shndx_ field.
13046         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13047         (Symbol_value::value): Assert ordinary section.
13048         (Symbol_value::initialize_input_to_output_map): Likewise.
13049         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13050         Change all callers.
13051         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13052         all callers.
13053         (class Sized_relobj): Update declarations.
13054         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13055         parameter.  Change all callers.
13056         (Sized_relobj::adjust_shndx): New function.
13057         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13058         field.
13059         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13060         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13061         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13062         (Sized_dynobj::read_dynsym_section): Adjust section links.
13063         (Sized_dynobj::read_dynamic): Likewise.
13064         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13065         section links.
13066         (Sized_dynobj::do_initialize_xindex): New function.
13067         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13068         do_initialize_xindex.
13069         (Sized_dynobj::adjust_shndx): New function.
13070         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13071         dynsym_xindex_ fields.
13072         (Layout::finalize): Add a call to set_section_indexes before
13073         creating the symtab sections.
13074         (Layout::set_section_indexes): Don't do anything if the section
13075         already has a section index.
13076         (Layout::create_symtab_sections): Add shnum parameter.  Change
13077         caller.  Create .symtab_shndx section if needed.
13078         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13079         caller.
13080         (Layout::allocated_output_section_count): New function.
13081         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13082         needed.
13083         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13084         fields.  Update declarations.
13085         (Layout::symtab_xindex): New function.
13086         (Layout::dynsym_xindex): New function.
13087         (class Write_symbols_task): Add layout_ field.
13088         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13089         Change caller.
13090         * output.cc (Output_section_headers::Output_section_headers): Add
13091         shstrtab_section parameter.  Change all callers.
13092         (Output_section_headers::do_sized_write): Store overflow values
13093         for section count and section string table section index in
13094         section header zero.
13095         (Output_file_header::do_sized_write): Check for overflow of
13096         section count and section string table section index.
13097         (Output_symtab_xindex::do_write): New function.
13098         (Output_symtab_xindex::endian_do_write): New function.
13099         * output.h (class Output_section_headers): Add shstrtab_section_.
13100         Update declarations.
13101         (class Output_symtab_xindex): Define.
13102         (Output_section::has_out_shndx): New function.
13103         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13104         field.
13105         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13106         Change all callers.
13107         (Sized_symbol::init): Likewise.
13108         (Symbol::output_section): Check for ordinary symbol.
13109         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13110         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13111         callers.
13112         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13113         Change all callers.  Simplify handling of symbols from sections
13114         not included in the link.
13115         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13116         distinction.
13117         (Weak_alias_sorter::operator()): Assert that symbols are
13118         ordinary.
13119         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13120         distinction.
13121         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13122         parameters.  Change all callers.
13123         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13124         symbol distinction.  Use SHN_XINDEX when needed.
13125         (Symbol_table::write_section_symbol): Add symtab_xindex
13126         parameter.  Change all callers.
13127         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13128         SHN_XINDEX when needed.
13129         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13130         declarations.
13131         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13132         (Symbol::is_defined): Check is_ordinary.
13133         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13134         (Symbol::is_absolute, Symbol::is_common): Likewise.
13135         (class Sized_symbol): Update declarations.
13136         (class Symbol_table): Update declarations.
13137         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13138         parameters.  Change all callers.
13139         (Sized_symbol::override): Likewise.
13140         (Symbol_table::override): Likewise.
13141         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13142         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13143         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13144         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13145         to be in an ordinary section.
13146         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13147         object and is_ordinary parameters.  Change all callers.
13148         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13149         Change all callers.  Don't add undefined or non-ordinary symbols
13150         to reloc_map_.
13151         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13152         Change all callers.
13153         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13154         declarations.
13155         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13156         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13157         (Sized_relobj::relocate_sections): Likewise.
13158         * target-reloc.h (scan_relocs): Adjust section symbol index.
13159         (scan_relocatable_relocs): Likewise.
13160         * i386.cc (Scan::local): Check for ordinary symbols.
13161         * sparc.cc (Scan::local): Likewise.
13162         * x86_64.cc (Scan::local): Likewise.
13163         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13164         to symbol_section_and_value.
13165         * testsuite/many_sections_test.cc: New file.
13166         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13167         (check_PROGRAMS): Add many_sections_test.
13168         (many_sections_test_SOURCES): Define.
13169         (many_sections_test_DEPENDENCIES): Define.
13170         (many_sections_test_LDFLAGS): Define.
13171         (BUILT_SOURCES): Add many_sections_define.h.
13172         (many_sections_define.h): New target.
13173         (BUILT_SOURCES): Add many_sections_check.h.
13174         (many_sections_check.h): New target.
13175         (check_PROGRAMS): Add many_sections_r_test.
13176         (many_sections_r_test_SOURCES): Define.
13177         (many_sections_r_test_DEPENDENCIES): Define.
13178         (many_sections_r_test_LDFLAGS): Define.
13179         (many_sections_r_test_LDADD): Define.
13180         (many_sections_r_test.o): New target.
13181         * testsuite/Makefile.in: Rebuild.
13182
13183 2008-04-17  Cary Coutant  <ccoutant@google.com>
13184
13185         * errors.cc (Errors::info): New function.
13186         (gold_info): New function.
13187         * errors.h (Errors::info): New function.
13188         * gold.h (gold_info): New function.
13189         * object.cc (Input_objects::add_object): Print trace output.
13190         * options.cc (options::parse_set): New function.
13191         (General_options::parse_wrap): Deleted.
13192         (General_options::General_options): Deleted initializer.
13193         * options.h (options::String_set): New typedef.
13194         (options::parse_set): New function.
13195         (DEFINE_set): New macro.
13196         (General_options::wrap): Changed to use DEFINE_set. Changed
13197         callers of any_wrap_symbols and is_wrap_symbol.
13198         (General_options::trace, General_options::trace_symbol):
13199         New options.
13200         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13201         (General_options::wrap_symbols_): Deleted.
13202         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13203
13204 2008-04-17  David S. Miller  <davem@davemloft.net>
13205
13206         * options.cc (General_options::parse_V): New function.
13207         * options.h: Add entries for -V and -Qy.
13208
13209 2008-04-17  Ian Lance Taylor  <iant@google.com>
13210
13211         * common.cc (Symbol_table::allocate_commons): Remove options
13212         parameter.  Change caller.
13213         (Symbol_table::do_allocate_commons): Remove options parameter.
13214         Change caller.  Just call do_allocate_commons_list twice.
13215         (Symbol_table::do_allocate_commons_list): New function, broken out
13216         of do_allocate_commons.
13217         * common.h (class Allocate_commons_task): Remove options_ field.
13218         Update constructor.
13219         * symtab.cc (Symbol_table::Symbol_table): Initialize
13220         tls_commons_.
13221         (Symbol_table::add_from_object): Put TLS common symbols on
13222         tls_commons_ list.
13223         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13224         which are IN_OUTPUT_DATA.
13225         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13226         allocate_commons and do_allocate_commons declarations.  Declare
13227         do_allocate_commons_list.
13228         * gold.cc (queue_middle_tasks): Update creation of
13229         Allocate_commons_task to not pass options.
13230         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13231         (TLS_TEST_C_FLAGS): New variable.
13232         (tls_test_c_pic.o): New target.
13233         (tls_test_shared.so): Link in tls_test_c_pic.o.
13234         (tls_test_c_pic_ie.o): New target.
13235         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13236         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13237         (tls_test_c.o): New target.
13238         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13239         (tls_pic_test_LDADD): Likewise.
13240         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13241         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13242         (tls_test_c_gnu2.o): New target.
13243         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13244         tls_test_c_gnu2.o.
13245         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13246         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13247         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13248         * testsuite/tls_test.cc: Include "config.h".
13249         (t_last): Call t11_last.
13250         * testsuite/tls_test.h (t11, t11_last): Declare.
13251         * testsuite/tls_test_c.c: New file.
13252         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13253         * configure.ac: Check for OpenMP support.
13254         * configure, config.in, Makefile.in: Rebuild.
13255         * testsuite/Makefile.in: Rebuild.
13256
13257 2008-04-16  Cary Coutant  <ccoutant@google.com>
13258
13259         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13260         (Target_i386::tls_base_symbol_defined_): New field.
13261         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13262         (Target_i386::Scan::global): Likewise.
13263         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13264         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13265         (Target_x86_64::tls_base_symbol_defined_): New field.
13266         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13267         (Target_x86_64::Scan::global): Likewise.
13268
13269 2008-04-16  Cary Coutant  <ccoutant@google.com>
13270
13271         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13272         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13273         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13274         building shared libraries.
13275         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13276         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13277         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13278         * testsuite/Makefile.in: Rebuild.
13279         * testsuite/weak_undef.h: New file.
13280         * testsuite/weak_undef_file1.cc: Add extra test cases.
13281         * testsuite/weak_undef_file2.cc: Likewise.
13282         * testsuite/weak_undef_test.cc: Likewise.
13283
13284 2008-04-16  David S. Miller  <davem@davemloft.net>
13285
13286         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13287         Add issued_non_pic_error_ field.  Declare check_non_pic.
13288         (Target_sparc::Scan::check_non_pic): New function.
13289         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13290         (Target_sparc::Scan::global): Likewise.
13291
13292         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13293         * configure: Rebuild.
13294
13295         * options.h (DEFINE_enable): New macro.
13296         (new_dtags): New enable option.
13297         (initfirst, interpose, loadfltr, nodefaultlib,
13298         nodelete, nodlopen, nodump): New -z options.
13299         * layout.cc (Layout:finish_dynamic_section): If new
13300         dtags enabled, emit DT_RUNPATH.  Also, emit a
13301         DT_FLAGS_1 containing any specified -z flags.
13302
13303 2008-04-16  Ian Lance Taylor  <iant@google.com>
13304
13305         * copy-relocs.cc: New file.
13306         * copy-relocs.h: New file.
13307         * reloc.cc: Remove Copy_relocs code.
13308         * reloc.h: Likewise.
13309         * reloc-types.h (struct Reloc_types) [both versions]: Add
13310         get_reloc_addend_noerror.
13311         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13312         variants of add_global which take an addend which must be zero.
13313         * i386.cc: Include "copy-relocs.h".
13314         (class Target_i386): Change type of copy_relocs_ to variable,
13315         update initializer.
13316         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13317         Change all callers.
13318         (Target_i386::do_finalize_sections): Change handling of
13319         copy_relocs_.
13320         * sparc.cc: Include "copy-relocs.h".
13321         (class Target_sparc): Change type of copy_relocs_ to variable,
13322         update initializer.
13323         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13324         Change all callers.
13325         (Target_sparc::do_finalize_sections): Change handling of
13326         copy_relocs_.
13327         * x86_64.cc: Include "copy-relocs.h".
13328         (class Target_x86_64): Change type of copy_relocs_ to variable,
13329         update initializer.
13330         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13331         class.  Change all callers.
13332         (Target_x86_64::do_finalize_sections): Change handling of
13333         copy_relocs_.
13334         * Makefile.am (CCFILES): Add copy-relocs.cc.
13335         (HFILES): Add copy-relocs.h.
13336
13337         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13338
13339         * testsuite/script_test_4.sh: Permit leading zeroes.
13340
13341 2008-04-15  Ian Lance Taylor  <iant@google.com>
13342
13343         * script-sections.cc (Script_sections::create_segments): Use
13344         header_size_adjustment even when there is enough room for the
13345         headers.
13346         * testsuite/script_test_4.sh: New file.
13347         * testsuite/script_test_4.t: New file.
13348         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13349         (check_DATA): Add script_test_4.stdout.
13350         (MOSTLYCLEANFILES): Likewise.
13351         (script_test_4): New target.
13352         (script_test_4.stdout): New target.
13353         * testsuite/Makefile.in: Rebuild.
13354
13355         * sparc.cc: Add definitions for Output_data_plt_sparc class
13356         constants.
13357
13358 2008-04-14  David S. Miller  <davem@davemloft.net>
13359
13360         * sparc.cc: New file.
13361         * Makefile.am (TARGETSOURCES): Add sparc.cc
13362         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13363         * configure.tgt: Document targ_extra_size and
13364         targ_extra_big_endian.  Add entries for sparc-* and
13365         sparc64-*.
13366         * configure.ac: Handle targ_extra_size and
13367         targ_extra_big_endian.
13368         * Makefile.in: Rebuild.
13369         * configure: Likewise.
13370         * po/POTFILES.in: Likewise.
13371         * po/gold.pot: Likewise.
13372
13373 2008-04-14  Ian Lance Taylor  <iant@google.com>
13374
13375         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13376         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13377         in the name/type/flags to section mapping.  Don't call
13378         allocate_output_section.
13379         (Layout::choose_output_section): Change parameter from adjust_name
13380         to is_input_section.  Don't permit input sections after sections
13381         are attached to segments.  Don't call allocate_output_section.
13382         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13383         not write_enable_output_section.
13384         (Layout::make_output_section): Don't push to
13385         unattached_section_list_ nor call attach_to_segment.  Call
13386         attach_section_to_segment if sections are attached.
13387         (Layout::attach_sections_to_segments): New function.
13388         (Layout::attach_section_to_segment): New function.
13389         (Layout::attach_allocated_section_to_segment): Rename from
13390         attach_to_segment.  Remove flags parameter.
13391         (Layout::allocate_output_section): Remove function.
13392         (Layout::write_enable_output_section): Remove function.
13393         * layout.h (class Layout): Update for above changes.  Add new
13394         field sections_are_attached_.
13395         * output.h (Output_section::update_flags_for_input_section): New
13396         function.
13397         * output.cc (Output_section::add_input_section): Call
13398         update_flags_for_input_section.
13399         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13400
13401 2008-04-11  Cary Coutant  <ccoutant@google.com>
13402
13403         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13404         thought unnecessary.
13405         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13406
13407 2008-04-11  Ian Lance Taylor  <iant@google.com>
13408
13409         * output.h (class Output_section_data): Remove inline definition
13410         of set_addralign.
13411         * output.cc (Output_section_data::set_addralign): New function.
13412
13413 2008-04-11  Cary Coutant  <ccoutant@google.com>
13414
13415         Add support for TLS descriptors for i386 and x86_64.
13416         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13417         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13418         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13419         GOT_TYPE_TLS_DESC.
13420         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13421         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13422         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13423         relocations.
13424         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13425         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13426         Fix problem with initial-exec relocations.
13427         (Target_i386::Relocate::relocate_tls): Likewise.
13428         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13429         relaxation.
13430         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13431         support for section-plus-offset dynamic table entries.
13432         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13433         (Output_data_dynamic::Dynamic_entry): Add support for
13434         section-plus-offset dynamic table entries.
13435         (Output_data_dynamic::Classification): Likewise.
13436         (Output_data_dynamic::classification_): Renamed offset_.
13437         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13438         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13439         (Target_x86_64::make_plt_section): New function.
13440         (Target_x86_64::reserve_tlsdesc_entries): New function.
13441         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13442         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13443         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13444         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13445         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13446         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13447         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13448         add extra PLT entry for TLS descriptors.
13449         (Output_data_plt_x86_64::got_): New field.
13450         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13451         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13452         fields.
13453         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13454         descriptors.
13455         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13456         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13457         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13458         R_386_TLS_DESC_CALL relocations.
13459         (Target_x86_64::Scan::global): Likewise.
13460         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13461         for TLS descriptors.
13462         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13463         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13464         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13465         GD-to-IE relaxation.
13466         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13467         and TLS_DESCRIPTORS.
13468         * Makefile.in: Rebuild.
13469         * configure: Rebuild.
13470         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13471         (tls_test_shared2.so): New target.
13472         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13473         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13474         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13475         (tls_shared_gd_to_ie_test_LDADD): New variable.
13476         (tls_shared_gnu2_gd_to_ie_test): New target.
13477         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13478         New targets.
13479         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13480         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13481         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13482         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13483         (tls_shared_gnu2_test): New target.
13484         (tls_test_gnu2_shared.so): New target.
13485         (tls_shared_gnu2_test_SOURCES): New variable.
13486         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13487         (tls_shared_gnu2_test_LDFLAGS): New variable.
13488         (tls_shared_gnu2_test_LDADD): New variable.
13489         * testsuite/Makefile.in: Rebuild.
13490         * testsuite/Makefile.
13491
13492 2008-04-11  Ian Lance Taylor  <iant@google.com>
13493
13494         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13495         justsyms.t.
13496         * testsuite/Makefile.in: Rebuild.
13497
13498         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13499         long.
13500         * testsuite/script_test_2.cc (main): Adjust test.
13501
13502 2008-04-11  David S. Miller  <davem@davemloft.net>
13503             Ian Lance Taylor  <iant@google.com>
13504
13505         * options.h (General_options): Add entries for '-Y' and
13506         '-relax'.
13507         * options.cc (General_options:finalize): If -Y was used, add those
13508         entries to the library path instead of the default "/lib" and
13509         "/usr/lib".
13510
13511 2008-04-11  David S. Miller  <davem@davemloft.net>
13512
13513         * testsuite/justsyms.t: Start at 0x100.
13514         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13515         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13516         long.
13517         * testsuite/script_test_2.cc: Adjust string and section length
13518         checks.
13519
13520 2008-04-09  Ian Lance Taylor  <iant@google.com>
13521
13522         PR gold/5996
13523         * script-sections.cc (Sections_element::allocate_to_segment): Add
13524         orphan parameter.
13525         (Output_section_definition::allocate_to_segment): Likewise.
13526         (Orphan_output_section::allocate_to_segment): Likewise.
13527         (Script_sections::attach_sections_using_phdrs_clause): Don't
13528         propagate non-PT_LOAD segments to orphan sections.
13529         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13530         readelf rather than objdump.
13531         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13532         .interp section and PT_INTERP segment are the same size.
13533         * testsuite/Makefile.in: Rebuild.
13534
13535         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13536         aliases for symbols defined in the same object.
13537         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13538         (weak_alias_test_SOURCES): New variable.
13539         (weak_alias_test_DEPENDENCIES): New variable.
13540         (weak_alias_test_LDFLAGS): New variable.
13541         (weak_alias_test_LDADD): New variable.
13542         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13543         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13544         (weak_alias_test_3.o): New target.
13545         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13546         * testsuite/weak_alias_test_main.cc: New file.
13547         * testsuite/weak_alias_test_1.cc: New file.
13548         * testsuite/weak_alias_test_2.cc: New file.
13549         * testsuite/weak_alias_test_3.cc: New file.
13550
13551 2008-04-08  Ian Lance Taylor  <iant@google.com>
13552
13553         * options.h (class General_options): Add --noinhibit-exec option.
13554         * main.cc (main): Check --noinhibit-exec.
13555
13556         * options.h (class General_options): Define --wrap as a special
13557         option.  Add wrap_symbols_ field.
13558         (General_options::any_wrap_symbols): New function.
13559         (General_options::is_wrap_symbol): New function.
13560         * options.cc (General_options::parse_wrap): New function.
13561         (General_options::General_options): Initialize wrap_symbols_.
13562         * symtab.cc (Symbol_table::wrap_symbol): New function.
13563         (Symbol_table::add_from_object): Handle --wrap.
13564         * symtab.h (class Symbol_table): Declare wrap_symbol.
13565         * target.h (Target::wrap_char): New function.
13566         (Target::Target_info): Add wrap_char field.
13567         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13568         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13569         * testsuite/testfile.cc (Target_test::test_target_info):
13570         Likewise.
13571
13572         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13573         there is one.
13574
13575         * layout.h (class Layout): Add added_eh_frame_data_ field.
13576         * layout.cc (Layout::Layout): Initialize new field.
13577         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13578         output section until we find a section we merged successfully.
13579         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13580         that the size be non-zero.
13581
13582         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13583         qualifier.
13584
13585 2008-04-08  Craig Silverstein  <csilvers@google.com>
13586
13587         * configure.ac: Export new conditional variable HAVE_ZLIB.
13588         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13589         on HAVE_ZLIB.
13590         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13591         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13592
13593 2008-04-07  Ian Lance Taylor  <iant@google.com>
13594
13595         * version.cc (version_string): Set to "1.5".
13596
13597         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13598         Add issued_non_pic_error_ field.  Declare check_non_pic.
13599         (Target_x86_64::Scan::check_non_pic): New function.
13600         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13601         (Target_x86_64::Scan::global): Likewise.
13602
13603         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13604         addend parameter.  Change caller.  Handle merge sections.
13605         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13606         Address to Addend.  Don't add in the result of
13607         local_section_offset, pass down the addend and use the returned
13608         value.
13609         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13610         Update declarations of local_section_offset and symbol_value.
13611         * testsuite/two_file_test_1.cc (t18): New function.
13612         * testsuite/two_file_test_2.cc (f18): New function.
13613         * testsuite/two_file_test_main.cc (main): Call t18.
13614         * testsuite/two_file_test.h (t18, f18): Declare.
13615
13616         * configure.ac: Don't test for objdump, c++filt, or readelf.
13617         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13618         conditionals.
13619         (TEST_READELF): New variable.
13620         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13621         (check_PROGRAMS): Add two_file_strip_test.
13622         (two_file_strip_test): New target.
13623         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13624         (two_file_same_shared_strip_test_SOURCES): New variable.
13625         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13626         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13627         (two_file_same_shared_strip_test_LDADD): New variable.
13628         (two_file_shared_strip.so): New target.
13629         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13630         (ver_test_5.syms, ver_test_7.syms): Likewise.
13631         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13632         (strip_test_3.stdout): Use TEST_OBJDUMP.
13633         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13634
13635 2008-04-04  Cary Coutant  <ccoutant@google.com>
13636
13637         * symtab.h (Symbol::is_weak_undefined): New function.
13638         (Symbol::is_strong_undefined): New function.
13639         (Symbol::is_absolute): New function.
13640         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13641         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13642         absolute symbols.
13643         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13644         (weak_undef_test): New target.
13645         * testsuite/Makefile.in: Rebuild.
13646         * testsuite/weak_undef_file1.cc: New file.
13647         * testsuite/weak_undef_file2.cc: New file.
13648         * testsuite/weak_undef_test.cc: New file.
13649
13650 2008-04-03  Craig Silverstein  <csilvers@google.com>
13651
13652         * compressed_output.h (class Output_compressed_section): Use
13653         unsigned buffer.
13654         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13655         add zlib header.
13656         (zlib_compressed_suffix): Removed.
13657         (Output_compressed_section::set_final_data_size): Use unsigned
13658         buffers.
13659         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13660         Fix linker invocation.
13661         (flagstest_o_specialfile_and_compress_debug_sections):
13662         Likewise.
13663         * testsuite/Makefile.in: Regenerated.
13664
13665 2008-04-02  David S. Miller  <davem@davemloft.net>
13666
13667         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13668         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13669
13670 2008-04-02  Craig Silverstein  <csilvers@google.com>
13671
13672         * TODO: New file.
13673
13674 2008-04-02  Ian Lance Taylor  <iant@google.com>
13675
13676         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13677         parameters.  Update for new key type to views_.  Change all
13678         callers.
13679         (File_read::read): Adjust for byteshift in returned view.
13680         (File_read::add_view): New function, broken out of
13681         find_and_make_view.
13682         (File_read::make_view): New function, broken out of
13683         find_and_make_view.
13684         (File_read::find_or_make_view): Add offset and aligned
13685         parameters.  Rewrite accordingly.  Change all callers.
13686         (File_read::get_view): Add offset and aligned parameters.  Adjust
13687         for byteshift in return value.
13688         (File_read::get_lasting_view): Likewise.
13689         * fileread.h (class File_read): Update declarations.
13690         (class File_read::View): Add byteshift_ field.  Add byteshift to
13691         constructor.  Add byteshift method.
13692         * archive.h (Archive::clear_uncached_views): New function.
13693         (Archive::get_view): Add aligned parameter.  Change all callers.
13694         * object.h (Object::get_view): Add aligned parameter.  Change all
13695         callers.
13696         (Object::get_lasting_view): Likewise.
13697
13698         * fileread.cc (File_read::release): Don't call clear_views if
13699         there are multiple objects.
13700         * fileread.h (File_read::clear_uncached_views): New function.
13701         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13702         on the archive.
13703
13704 2008-03-31  Cary Coutant  <ccoutant@google.com>
13705
13706         Add thin archive support.
13707         * archive.cc (Archive::armagt): New const.
13708         (Archive::setup): Remove task parameter and calls to unlock.
13709         (Archive::unlock_nested_archives): New function.
13710         (Archive::read_header): Add nested_off parameter. Change
13711         all callers.
13712         (Archive::interpret_header): Likewise.
13713         (Archive::include_all_members): Change to handle thin
13714         archives.
13715         (Archive::include_member): Likewise.
13716         * archive.h (Archive::Archive): Add new parameters and
13717         initializers.
13718         (Archive::armagt): New const.
13719         (Archive::setup): Remove task parameter.
13720         (Archive::unlock_nested_archives): New function.
13721         (Archive::read_header): Add nested_off parameter.
13722         (Archive::interpret_header): Likewise.
13723         (Archive::Nested_archive_table): New typedef.
13724         (Archive::is_thin_archive_): New field.
13725         (Archive::nested_archives_): New field.
13726         (Archive::options_): New field.
13727         (Archive::dirpath_): New field.
13728         (Archive::task_): New field.
13729         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13730         for thin archives.  Pass additional parameters to
13731         Archive::Archive.  Unlock the archive file after calling
13732         Archive::setup.
13733
13734 2008-03-29  Ian Lance Taylor  <iant@google.com>
13735
13736         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13737         version symbol to be local.
13738         * testsuite/ver_test_4.sh: New file.
13739         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13740         (check_DATA): Add ver_test_4.syms.
13741         (ver_test_4.syms): New target.
13742         * testsuite/Makefile.in: Rebuild.
13743
13744         * output.cc
13745         (Output_section::Input_section_sort_entry::has_priority): New
13746         function.
13747         (Output_section::Input_section_sort_entry::match_file_name): New
13748         function.
13749         (Output_section::Input_section_sort_entry::match_section_name):
13750         Remove.
13751         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13752         Remove.
13753         (Output_section::Input_section_sort_entry::match_section_file):
13754         Remove.
13755         (Output_section::Input_section_sort_compare::operator()): Rewrite
13756         using new Input_section_sort_entry functions.  Sort crtbegin and
13757         crtend first.  Sort sections with no priority before sections with
13758         a priority.
13759         * testsuite/initpri1.c (d3): Check j != 4.
13760         (cd5): New constructor/destructor function.
13761         (main): Check j != 2.
13762
13763         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13764         new symbol when resolving, don't call set_is_default.
13765         * testsuite/ver_test_7.cc: New file.
13766         * testsuite/ver_test_7.sh: New file.
13767         * testsuite/Makefile.am (ver_test_7.so): New target.
13768         (ver_test_7.o): New target.
13769         (check_SCRIPTS): Add ver_test_7.sh.
13770         (check_DATA): Add ver_test_7.syms.
13771         (ver_test_7.syms): New target.
13772
13773 2008-03-28  Ian Lance Taylor  <iant@google.com>
13774
13775         * layout.cc (Layout::layout): If we see an input section with a
13776         name that needs sorting, set the must_sort flag for the output
13777         section.
13778         (Layout::make_output_section): If the name of the output section
13779         indicates that it might require sorting, set the may_sort flag.
13780         * output.h (Output_section::may_sort_attached_input_sections): New
13781         function.
13782         (Output_section::set_may_sort_attached_input_sections): New
13783         function.
13784         (Output_section::must_sort_attached_input_sections): New
13785         function.
13786         (Output_section::set_must_sort_attached_input_sections): New
13787         function.
13788         (class Output_section): Declare Input_section_sort_entry.  Define
13789         Input_section_sort_compare.  Declare
13790         sort_attached_input_sections.  Add new fields:
13791         may_sort_attached_input_sections_,
13792         must_sort_attached_input_sections_,
13793         attached_input_sections_are_sorted_.
13794         * output.cc (Output_section::Output_section): Initialize new
13795         fields.
13796         (Output_section::add_input_section): Add an entry to
13797         input_sections_ if may_sort or must_sort are true.
13798         (Output_section::set_final_data_size): Call
13799         sort_attached_input_sections if necessary.
13800         (Output_section::Input_section_sort_entry): Define new class.
13801         (Output_section::Input_section_sort_compare::operator()): New
13802         function.
13803         (Output_section::sort_attached_input_sections): New function.
13804         * configure.ac: Check whether the compiler supports constructor
13805         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13806         * testsuite/initpri1.c: New file.
13807         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13808         CONSTRUCTOR_PRIORITY.
13809         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13810         (initpri1_LDFLAGS): New variable.
13811         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13812
13813 2008-03-27  Ian Lance Taylor  <iant@google.com>
13814
13815         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13816         * testsuite/common_test_1.c: New file.
13817         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13818         (common_test_1_SOURCES): New variable.
13819         (common_test_1_DEPENDENCIES): New variable.
13820         (common_test_1_LDFLAGS): New variable.
13821
13822         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13823         and commons_ correctly when NAME/VERSION does not override
13824         NAME/NULL.
13825         * testsuite/ver_test_6.c: New file.
13826         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13827         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13828         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13829
13830 2008-03-26  Ian Lance Taylor  <iant@google.com>
13831
13832         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13833         of an undefined symbol from a version script.
13834         * testsuite/Makefile.am (ver_test_5.so): New target.
13835         (ver_test_5.o): New target.
13836         (check_SCRIPTS): Add ver_test_5.sh.
13837         (check_DATA): Add ver_test_5.syms.
13838         (ver_test_5.syms): New target.
13839         * testsuite/ver_test_5.cc: New file.
13840         * testsuite/ver_test_5.script: New file.
13841         * testsuite/ver_test_5.sh: New file.
13842         * Makefile.in, testsuite/Makefile.in: Rebuild.
13843
13844         PR gold/5986
13845         Fix problems building gold with gcc 4.3.0.
13846         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13847         (gold_error_at_location, gold_warning_at_location): Use it.
13848         * configure.ac: Check whether we can compile and use a template
13849         function with a printf attribute.
13850         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13851         when jumping over bytes.
13852         * object.cc: Instantiate Object::read_section_data.
13853         * debug.h: Include <cstring>
13854         * dwarf_reader.cc: Include <algorithm>
13855         * main.cc: Include <cstring>.
13856         * options.cc: Include <cstring>.
13857         * output.cc: Include <cstring>.
13858         * script.cc: Include <cstring>.
13859         * script.h: Include <string>.
13860         * symtab.cc: Include <cstring> and <algorithm>.
13861         * target-select.cc: Include <cstring>.
13862         * version.cc: Include <string>.
13863         * testsuite/testmain.cc: Include <cstdlib>.
13864         * configure, config.in: Rebuild.
13865
13866 2008-03-25  Ian Lance Taylor  <iant@google.com>
13867
13868         * options.cc: Include "../bfd/bfdver.h".
13869         (options::help): Print bug reporting address.
13870
13871         * version.cc (print_version): Adjust output for current value of
13872         BFD_VERSION_STRING.
13873
13874         * NEWS: New file.
13875
13876         * options.cc (options::help): Print list of supported targets.
13877         * target-select.h: Include <vector>.
13878         (class Target_selector): Make machine_, size_, and is_big_endian_
13879         fields const.  Add bfd_name_ and instantiated_target_ fields.
13880         (Target_selector::Target_selector): Add bfd_name parameter.
13881         (Target_selector::recognize): Make non-virtual, call
13882         do_recognize.
13883         (Target_selector::recognize_by_name): Make non-virtual, call
13884         do_recognize_by_name.
13885         (Target_selector::supported_names): New function.
13886         (Target_selector::bfd_name): New function.
13887         (Target_selector::do_instantiate_target): New pure virtual
13888         function.
13889         (Target_selector::do_recognize): New virtual function.
13890         (Target_selector::do_recognize_by_name): New virtual function.
13891         (Target_selector::instantiate_target): New private function.
13892         (supported_target_names): Declare.
13893         * target-select.cc (Target_selector::Target_selector): Update for
13894         new parameter and fields.
13895         (select_target_by_name): Check that the name matches before
13896         calling recognize_by_name.
13897         (supported_target_names): New function.
13898         * i386.cc (class Target_selector_i386): Update Target_selector
13899         constructor call.  Remove recognize and recognize_by_name.  Add
13900         do_instantiate_target.
13901         * x86_64.cc (class Target_selector_x86_64): Likewise.
13902         * testsuite/testfile.cc (class Target_selector_test): Update for
13903         changes to Target_selector.
13904
13905         * README: Rewrite, with some notes on unsupported features.
13906
13907 2008-03-24  Cary Coutant  <ccoutant@google.com>
13908
13909         * i386.cc (Target_i386::Got_type): New enum declaration.
13910         (Target_i386::Scan::local): Updated callers of Output_data_got
13911         member functions.
13912         (Target_i386::Scan::global): Likewise.
13913         (Target_i386::Relocate::relocate): Likewise.
13914         (Target_i386::Relocate::relocate_tls): Likewise.
13915         * object.h (Got_offset_list): New class.
13916         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13917         (Sized_relobj::local_got_offset): Likewise.
13918         (Sized_relobj::set_local_got_offset): Likewise.
13919         (Sized_relobj::local_has_tls_got_offset): Removed.
13920         (Sized_relobj::local_tls_got_offset): Removed.
13921         (Sized_relobj::set_local_tls_got_offset): Removed.
13922         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13923         * output.cc (Output_data_got::add_global): Added got_type parameter.
13924         (Output_data_got::add_global_with_rel): Likewise.
13925         (Output_data_got::add_global_with_rela): Likewise.
13926         (Output_data_got::add_global_pair_with_rel): New function.
13927         (Output_data_got::add_global_pair_with_rela): New function.
13928         (Output_data_got::add_local): Added got_type parameter.
13929         (Output_data_got::add_local_with_rel): Likewise.
13930         (Output_data_got::add_local_with_rela): Likewise.
13931         (Output_data_got::add_local_pair_with_rel): New function.
13932         (Output_data_got::add_local_pair_with_rela): New function.
13933         (Output_data_got::add_global_tls): Removed.
13934         (Output_data_got::add_global_tls_with_rel): Removed.
13935         (Output_data_got::add_global_tls_with_rela): Removed.
13936         (Output_data_got::add_local_tls): Removed.
13937         (Output_data_got::add_local_tls_with_rel): Removed.
13938         (Output_data_got::add_local_tls_with_rela): Removed.
13939         * output.h (Output_data_got::add_global): Added got_type parameter.
13940         (Output_data_got::add_global_with_rel): Likewise.
13941         (Output_data_got::add_global_with_rela): Likewise.
13942         (Output_data_got::add_global_pair_with_rel): New function.
13943         (Output_data_got::add_global_pair_with_rela): New function.
13944         (Output_data_got::add_local): Added got_type parameter.
13945         (Output_data_got::add_local_with_rel): Likewise.
13946         (Output_data_got::add_local_with_rela): Likewise.
13947         (Output_data_got::add_local_pair_with_rel): New function.
13948         (Output_data_got::add_local_pair_with_rela): New function.
13949         (Output_data_got::add_global_tls): Removed.
13950         (Output_data_got::add_global_tls_with_rel): Removed.
13951         (Output_data_got::add_global_tls_with_rela): Removed.
13952         (Output_data_got::add_local_tls): Removed.
13953         (Output_data_got::add_local_tls_with_rel): Removed.
13954         (Output_data_got::add_local_tls_with_rela): Removed.
13955         * resolve.cc (Symbol::override_base_with_special): Removed
13956         reference to has_got_offset_ field.
13957         * symtab.cc (Symbol::init_fields): Replaced initialization
13958         of got_offset_ with got_offsets_.  Removed initialization
13959         of has_got_offset_
13960         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13961         (Symbol::got_offset): Likewise.
13962         (Symbol::set_got_offset): Likewise.
13963         (Symbol::has_tls_got_offset): Removed.
13964         (Symbol::tls_got_offset): Removed.
13965         (Symbol::set_tls_got_offset): Removed.
13966         (Symbol::got_offset_): Removed.
13967         (Symbol::tls_mod_got_offset_): Removed.
13968         (Symbol::tls_pair_got_offset_): Removed.
13969         (Symbol::got_offsets_): New field.
13970         (Symbol::has_got_offset): Removed.
13971         (Symbol::has_tls_mod_got_offset): Removed.
13972         (Symbol::has_tls_pair_got_offset): Removed.
13973         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13974         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13975         member functions.
13976         (Target_x86_64::Scan::global): Likewise.
13977         (Target_x86_64::Relocate::relocate): Likewise.
13978         (Target_x86_64::Relocate::relocate_tls): Likewise.
13979
13980 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13981
13982         * yyscript.y: Fix spelling error in comment.
13983
13984 2008-03-24  Ian Lance Taylor  <iant@google.com>
13985
13986         * options.h (class General_options): Define build_id option.
13987         * layout.h (class Layout): Declare write_build_id, create_note,
13988         create_build_id.  Add build_id_note_ member.
13989         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13990         "libiberty.h", "md5.h", "sha1.h".
13991         (Layout::Layout): Initialize eh_frame_data_,
13992         eh_frame_hdr_section_, and build_id_note_.
13993         (Layout::finalize): Call create_build_id.
13994         (Layout::create_note): New function, broken out of
13995         Layout::create_gold_note.
13996         (Layout::create_gold_note): Call create_note.
13997         (Layout::create_build_id): New function.
13998         (Layout::write_build_id): New function.
13999         (Close_task_runner::run): Call write_build_id.
14000
14001         * x86_64.cc: Correct license to GPLv3.
14002
14003 2008-03-23  Ian Lance Taylor  <iant@google.com>
14004
14005         * options.cc: Include "demangle.h".
14006         (parse_optional_string): New function.
14007         (parse_long_option): Handle takes_optional_argument.
14008         (parse_short_option): Update dash_z initializer.  Handle
14009         takes_optional_argument.
14010         (General_options::General_options): Initialize do_demangle_.
14011         (General_options::finalize): Set do_demangle_.  Handle demangling
14012         style.
14013         * options.h (parse_optional_string): Declare.
14014         (struct One_option): Add optional_arg field.  Update constructor.
14015         Update call constructor calls.  Add takes_optional_argument
14016         function.
14017         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14018         (DEFINE_optional_string): Define.
14019         (General_options::demangle): Change from DEFINE_bool to
14020         DEFINE_optional_string.
14021         (General_options::no_demangle): New function.
14022         (General_options::do_demangle): New function.
14023         (General_options::set_do_demangle): New function.
14024         (General_options::execstack_status_): Move definition to end of
14025         class definition.
14026         (General_options::static_): Likewise.
14027         (General_options::do_demangle_): New field.
14028         * object.cc (big_endian>::get_symbol_location_info): Call
14029         Options::do_demangle, not Options::demangle.
14030         * symtab.cc (demangle): Likewise.
14031
14032 2008-03-22  Ian Lance Taylor  <iant@google.com>
14033
14034         * gold.h: Include <cstddef> and <sys/types.h>
14035         * options.h: Include <cstring>.
14036
14037 2008-03-21  Ian Lance Taylor  <iant@google.com>
14038
14039         * Added source code to GNU binutils.