* powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
[external/binutils.git] / gold / ChangeLog
1 2012-12-10  Alan Modra  <amodra@gmail.com>
2
3         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
4         stub_table_.
5         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
6
7 2012-12-07  Roland McGrath  <mcgrathr@google.com>
8
9         * testsuite/binary_unittest.cc (Sized_binary_test):
10         Use open_descriptor rather than ::open.
11
12 2012-12-07  Alan Modra  <amodra@gmail.com>
13
14         * powerpc.cc (Stub_table::do_write): Delete redundant Address
15         typedef and invalid_address constant.
16         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
17         instantiate constants.
18
19 2012-12-06  Roland McGrath  <mcgrathr@google.com>
20
21         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
22         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
23         * aclocal.m4: Regenerate.
24         * configure: Regenerate.
25         * Makefile.in: Regenerate.
26         * testsuite/Makefile.in: Regenerate.
27
28 2012-12-07  Alan Modra  <amodra@gmail.com>
29
30         * options.h (General_options): Add no_toc_optimize.
31         * powerpc.cc (ok_lo_toc_insn): New function.
32         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
33
34 2012-12-06  Alan Modra  <amodra@gmail.com>
35
36         * options.h (General_options): Add plt_align, plt_static_chain,
37         plt_thread_safe.  Update stub_group_size help text.
38         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
39         for new plt_thread_safe_ var.
40         (use_plt_offset): Correct comments.
41         (Target_powerpc::do_relax): Look for thread creation symbols to
42         determine default plt_thread_safe value.  Clear plt call stubs
43         as well as branch stubs each iteration.
44         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
45         insn constants.
46         (l, hi, ha, write_insn): Move earlier.
47         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
48         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
49         plt stubs too.
50         (Stub_table::update_size): Adjust.
51         (Stub_table::prev_size, set_prev_size): Delete.
52         (Stub_table::stub_align): Let --plt-align affect result.
53         (Stub_table::plt_call_size): Calculate sizes for various stubs.
54         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
55         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
56         (Stub_table::do_write): Support more stub variants.
57
58 2012-12-04  Alan Modra  <amodra@gmail.com>
59
60         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
61         (Target_powerpc::do_define_standard_symbols): New function.
62
63 2012-12-03  Alan Modra  <amodra@gmail.com>
64
65         * output.h: Formatting, whitespace.
66
67 2012-12-03  Alan Modra  <amodra@gmail.com>
68
69         * layout.h (Layout::get_executable_sections): Declare.
70         * layout.cc (Layout::get_executable_sections): New function.
71         * arm.cc (Target_arm::group_sections): Use it.
72         (Arm_output_section::group_sections): Delete now redundant test.
73         * output.cc (Output_reloc::Output_reloc): Add is_relative.
74         param to handle relative relocs.
75         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
76         (Output_data_reloc::add_absolute): Adjust.
77         (Output_data_reloc::add_relative): New function.
78         (Output_data::reset_data_size): New function.
79         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
80         (Output_section::set_addralign): New function.
81         (Output_section::checkpoint_set_addralign): New function.
82         (Output_section::clear_section_offsets_need_adjustment): New function.
83         (Output_section::input_sections): Make public.
84         * powerpc.cc (class Output_data_brlt_powerpc): New.
85         (class Stub_table, class Stub_control): New.
86         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
87         stub_table_, set_stub_table, stub_table): New vectors and accessor
88         functions.
89         (Target_powerpc::do_may_relax, do_relax, push_branch,
90         new_stub_table, stub_tables, brlt_section, group_sections,
91         add_branch_lookup_table, find_branch_lookup_table,
92         write_branch_lookup_table, make_brlt_section): New functions.
93         (Target_powerpc::struct Sort_sections, class Branch_info): New.
94         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
95         branch_info_): New vars.
96         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
97         make call stubs here.
98         (Output_data_glink): Remove all call stub handling from this class.
99         (Target_powerpc::Scan::local, global): Save interesting branch
100         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
101         (Target_powerpc::do_finalize_sections): Only make reg save/restore
102         functions on final link.
103         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
104         Handle long branch destinations too.
105         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
106         do_plt_address_for_local): Adjust lookup of plt call stubs.
107
108 2012-11-30  Alan Modra  <amodra@gmail.com>
109
110         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
111         relocs against protected symbols when building 32-bit shared libs.
112
113 2012-11-30  Alan Modra  <amodra@gmail.com>
114
115         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
116         param.  Call got_section() to make .got.  Update all callers
117         and their callers and so on.
118
119 2012-11-30  Alan Modra  <amodra@gmail.com>
120
121         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
122         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
123         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
124         value if it already exists.
125
126 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
127
128         PR gold/14858
129         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
130
131 2012-11-14  Roland McGrath  <mcgrathr@google.com>
132
133         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
134         than bfc instruction for data sandboxing.
135
136 2012-11-08  Alan Modra  <amodra@gmail.com>
137
138         * po/POTFILES.in: Regenerate.
139
140 2012-11-05  Alan Modra  <amodra@gmail.com>
141
142         * configure.ac: Apply 2012-09-10 change to config.in here.
143         * configure: Regenerate.
144
145 2012-11-05  Alan Modra  <amodra@gmail.com>
146
147         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
148         (struct Opd_ent): Use "Address" rather than "Offset".
149         (Output_data_got_powerpc::got_base_offset): Return Valtype.
150         (Target_powerpc::got_section): Make public.
151         (Target_powerpc::scan_relocs): Move code setting symbols..
152         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
153         Create _SDA_BASE_ only when referenced.
154
155 2012-11-02  Roland McGrath  <mcgrathr@google.com>
156
157         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
158         from last change.
159
160 2012-11-01  Roland McGrath  <mcgrathr@google.com>
161
162         * target.h (Sized_target::relocate_relocs): Use Elf_Off
163         for offset_in_output_section parameter.
164         (Sized_target::relocate_special_relocatable): Likewise.
165         * arm.cc (Target_arm::relocate_relocs): Likewise.
166         (Target_arm::relocate_special_relocatable): Likewise.
167         * i386.cc (Target_i386::relocate_relocs): Likewise.
168         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
169         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
170         * target-reloc.h (relocate_relocs): Likewise.
171         * testsuite/testfile.cc (Target_test): Likewise.
172         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
173         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
174
175         * system.h: Move inclusion of <clocale> to after <libintl.h> in
176         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
177
178         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
179         parameter, which is unused in the [!F_SETFD] case.
180
181         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
182         SYMNDX to off_t before comparing it to this->data_size().
183         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
184         * incremental.cc (Output_section_incremental_inputs::do_write):
185         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
186
187         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
188
189 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
190
191         * gold.cc (Target_arm::do_adjust_elf_header): Add the
192         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
193         in EABI_VER5.
194
195 2012-10-29  Cary Coutant  <ccoutant@google.com>
196
197         * dwp.cc (usage): Add file and exit status parameters;
198         add --help and --version options.
199         (print_version): New function.
200         (main): Add --help and --version options.
201
202 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
203
204         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
205         final_layout_sequence.txt.
206         * testsuite/Makefile.in: Regenerated.
207
208 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
209
210         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
211         COMPILE generated by automake.
212         (LINK1): Likewise.
213         (CXXCOMPILE1): Likewise.
214         (CXXLINK1): Likewise.
215         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
216         (LINK): Likewise.
217         (CXXCOMPILE): Likewise.
218         (CXXLINK): Likewise.
219         * testsuite/Makefile.in: Regenerated.
220
221 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
222
223         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
224         on bad fwrite return.
225
226 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
227
228         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
229         on val.
230
231 2012-10-23  Cary Coutant  <ccoutant@google.com>
232
233         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
234         * testsuite/Makefile.in: Regenerate.
235         * testsuite/dwp_test.h: New source file.
236         * testsuite/dwp_test_1.cc: New source file.
237         * testsuite/dwp_test_1.s: New source file.
238         * testsuite/dwp_test_1.sh: New source file.
239         * testsuite/dwp_test_1b.cc: New source file.
240         * testsuite/dwp_test_1b.s: New source file.
241         * testsuite/dwp_test_2.cc: New source file.
242         * testsuite/dwp_test_2.s: New source file.
243         * testsuite/dwp_test_2.sh: New source file.
244         * testsuite/dwp_test_main.cc: New source file.
245         * testsuite/dwp_test_main.s: New source file.
246
247 2012-10-23  Cary Coutant  <ccoutant@google.com>
248
249         * dwp.h: New header file.
250         * dwp.cc: New source file.
251         * gold.h: Move shared declarations to system.h.
252         * system.h: New header file.
253         * Makefile.am: Add dwp.
254         * Makefile.in: Regenerate.
255
256 2012-10-23  Cary Coutant  <ccoutant@google.com>
257
258         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
259         Dwarf_info_reader::read_from_pointer.
260         (Dwarf_pubnames_table::read_header): Likewise.
261         (Dwarf_pubnames_table::next_name): Likewise.
262         (Dwarf_die::read_attributes): Likewise.
263         (Dwarf_die::skip_attributes): Likewise.
264         (Dwarf_info_reader::read_from_pointer): New function template.
265         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
266         (Dwarf_pubnames_table): Likewise.
267         (Dwarf_info_reader::read_from_pointer): New function template.
268         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
269         Dwarf_pubnames_table ctor.
270
271 2012-10-23  Cary Coutant  <ccoutant@google.com>
272
273         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
274         abbrev_shndx.
275         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
276         abbrev_shndx_.
277         (Dwarf_info_reader::set_abbrev_shndx): New method.
278         (Dwarf_info_reader::abbrev_shndx_): New data member.
279
280 2012-10-23  Cary Coutant  <ccoutant@google.com>
281
282         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
283         from object, not parameters.
284         (Dwarf_info_reader::parse): Likewise.
285         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
286         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
287         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
288         methods.
289
290 2012-10-23  Cary Coutant  <ccoutant@google.com>
291
292         * fileread.cc (Input_file::Input_file): New constructor.
293         * fileread.h (class Input_file): Add new constructor.
294
295 2012-10-18  Alan Modra  <amodra@gmail.com>
296
297         PR gold/14727
298         * object.cc (Relobj::is_section_name_included): Also match
299         .sdata personality section.
300
301 2012-10-18  Alan Modra  <amodra@gmail.com>
302
303         * target-reloc.h (class Default_comdat_behavior): New, package up..
304         (get_comdat_behaviour): ..this.
305         (relocate_section): Add Relocate_comdat_behavior template arg,
306         adjust code to suit.
307         * arm.cc (Target_arm::relocate_section): Adjust to suit.
308         (Target_arm::scan_reloc_section): Likewise.
309         * i386.cc (Target_i386::relocate_section): Likewise.
310         * sparc.cc (Target_sparc::relocate_section): Likewise.
311         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
312         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
313         * powerpc.cc (class Relocate_comdat_behavior): New.
314         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
315         gold::relocate_section with new template arg.
316
317 2012-10-18  Alan Modra  <amodra@gmail.com>
318
319         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
320         dynamic relocs for GOT_TPREL got entries, without symbol if
321         resolving locally.
322         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
323         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
324         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
325
326 2012-10-17  Alan Modra  <amodra@gmail.com>
327
328         PR gold/14726
329         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
330
331 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
332
333         * layout.cc (Layout::include_section): Keep sections marked
334         SHF_EXCLUDE when doing relocatable links.
335
336 2012-10-16  Alan Modra  <amodra@gmail.com>
337
338         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
339         (Target_powerpc::do_finalize_sections): Call it.
340         (Output_data_save_res): New class and supporting functions.
341         (Target_powerpc::symval_for_branch): Only look up .opd entry for
342         normal symbols defined in object files.
343
344 2012-10-12  Alan Modra  <amodra@gmail.com>
345
346         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
347         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
348         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
349         section if scan_opd_relocs not yet called.
350         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
351
352 2012-10-12  Alan Modra  <amodra@gmail.com>
353
354         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
355         add_local_ifunc_entry): Revert last change.
356         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
357
358 2012-10-05  Alan Modra  <amodra@gmail.com>
359
360         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
361         do_plt_address_for_global): New functions.
362         (Output_data_got_powerpc::do_write): Don't segfault when linking
363         statically.
364         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
365         add_local_ifunc_entry): Return true on adding entry..
366         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
367         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
368         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
369         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
370         set up symbols here.
371         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
372         syms here.  Do so even when no .iplt.  Don't segfault when linking
373         statically.
374         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
375         new variants without reloc param.
376         (Glink_sym_ent::Glink_sym_ent): Likewise.
377         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
378         reloc when refs will resolve to plt call stub.
379         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
380         R_PPC_PLTREL24 to resolve locally.
381         (Target_powerpc::Scan::global): Correct ifunc handling.
382         (Target_powerpc::Relocate::relocate): Correct local sym glink
383         lookup.  Don't destroy "value" when we have a plt call stub,
384         and when checking plt call validity.
385         (Target_powerpc::do_dynsym_value): Simplify.
386
387 2012-10-05  Alan Modra  <amodra@gmail.com>
388
389         * i386.cc (Output_data_plt_i386::address_for_global,
390         address_for_local): Add plt offset to returned value.  Adjust uses.
391         * sparc.cc (Output_data_plt_sparc::address_for_global,
392         address_for_local): Likewise.
393         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
394         address_for_local): Likewise.
395         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
396         address_for_local): Likewise.
397         * target.h (Target::plt_address_for_global, plt_address_for_local):
398         Update comment.
399         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
400         (Output_data_got::Got_entry::write): Nor here.
401         * output.h: Comment fix.
402
403 2012-10-02  Jiong Wang  <jiwang@tilera.com>
404
405         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
406         global_offset_table_ value for larget got.
407         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
408
409 2012-09-29  Alan Modra  <amodra@gmail.com>
410
411         * powerpc.cc (Target_powerpc::iplt_): New output section.
412         (Target_powerpc::iplt_section, make_iplt_section,
413         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
414         (Target_powerpc::make_plt_entry): Handle ifunc syms.
415         Target_powerpc::plt_entry_count): Count iplt entries too.
416         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
417         reloc section in constructor.  New params.
418         (Target_powerpc::make_plt_section): Create reloc section here instead.
419         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
420         functions.
421         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
422         (Output_data_glink::add_entry, find_entry): New functions to
423         deal with local syms.
424         (Glink_sym_ent): Add support for local syms.
425         (Output_data_glink::do_write): Handle ifunc plt entries.
426         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
427         (Target_powerpc::Scan::local, global): Handle ifunc syms.
428         (Target_powerpc::Relocate::relocate): Likewise.
429         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
430
431 2012-09-25  Alan Modra  <amodra@gmail.com>
432
433         * object.h (Sized_relobj_file::adjust_local_symbol,
434         do_adjust_local_symbol): New functions.
435         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
436         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
437         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
438         and irregular opd entry spacing.
439         (Powerpc_relobj::do_read_relocs): Add opd size checks.
440         (Global_symbol_visitor_opd): New functor.
441         (Target_powerpc::do_finalize_sections): Omit global symbols defined
442         on deleted opd entries.
443
444 2012-09-15  Jiong Wang  <jiwang@tilera.com>
445
446         * tilegx.cc: New file.
447         * Makefile.am (TARGETSOURCES): Add tilegx.cc
448         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
449         * configure.tgt: Add entries for tilegx*.
450         * configure.ac: Likewise.
451         * Makefile.in: Rebuild.
452         * configure: Likewise.
453         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
454         tilegx.
455
456 2012-09-13  Alan Modra  <amodra@gmail.com>
457
458         * target-reloc.h (scan_relocs): Call scan.local for relocs
459         against symbols in discarded sections.  Pass is_discarded
460         param.
461         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
462         Add is_discarded param.
463         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
464         is_discarded to flag opd entry as discarded.  Don't emit dyn
465         relocs on such entries.
466         (Target_powerpc::Scan::global): Similarly detect and handle
467         such opd entries.
468         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
469         opd_ent_.  Update all uses.
470         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
471         (Target_powerpc::relocate_section): Zero out discarded opd
472         entry relocs.
473
474 2012-09-12  Ian Lance Taylor  <iant@google.com>
475
476         PR gold/14570
477         * output.cc: Rename Output_data_got template parameter from size
478         to got_size for all functions.  Compile all variants of
479         Output_data_got.
480         (Output_data_got::Got_entry::write): Correct use of size for
481         symbol value.  Use local_is_tls rather than casting to
482         Sized_relobj_file.
483         * object.h (class Object): Add local_is_tls and do_local_is_tls.
484         (class Sized_relobj_file): Add do_local_is_tls.
485         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
486
487 2012-09-11  Alan Modra  <amodra@gmail.com>
488
489         PR gold/14566
490         * layout.cc (Layout::set_segment_offsets): When using
491         common-page-size alignment, ensure we are on a new max-page-size
492         page.
493         * output.cc (Output_segment::set_section_addresses): Use
494         abi_pagesize, not common_pagesize for relro boundary.
495         (Output_segment::set_offset): Likewise.
496
497 2012-09-11  Alan Modra  <amodra@gmail.com>
498
499         * output.h (Output_data_got::add_global_tls, add_local_tls,
500         add_local_tls_pair): New functions.
501         (Output_data_got::add_local_pair_with_rel): Remove second
502         reloc param.  Expand comment.
503         (Output_data_got::Got_entry): Rename use_plt_offset_ to
504         use_plt_or_tls_offset_, similarly for constructor param.
505         (Output_data_got::Got_entry::write): Add got_index param.
506         * output.cc (Output_data_got::add_global_tls, add_local_tls,
507         add_local_tls_pair): New functions.
508         (Output_data_got::Got_entry::write): Handle tls symbols
509         with use_plt_or_tls_offset_ set specially.
510         (Output_data_got::add_local_pair_with_rel): Only one reloc.
511         (Output_data_got::do_write): Replace iterator with index, pass
512         index to entry write function.
513         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
514         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
515         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
516         call.
517         * i386.cc (Target_i386::Scan::local): Likewise.
518         * sparc.cc (Target_sparc::Scan::local): Likewise.
519         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
520         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
521         do_tls_offset_for_global): New functions.
522         (Target_powerpc::Scan::local): Correct TLS relocations and got
523         entry values.
524         (Target_powerpc::Scan::global): Don't emit unnecessary
525         dynamic relocations on TLS GOT entries.
526
527 2012-09-10  Matthias Klose  <doko@ubuntu.com>
528
529         * config.in: Disable sanity check for kfreebsd.
530
531 2012-09-10  Sterling Augustine  <saugustine@google.com>
532
533         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
534         (Gdb_index::pubtypes_read): New parameter.
535         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
536         to calls.
537         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
538         pubtypes_object_.
539
540 2012-09-09  Alan Modra  <amodra@gmail.com>
541
542         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
543         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
544         * gc.h (gc_process_relocs): Call target gc_add_reference.
545         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
546         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
547         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
548         unnecessary cast.
549         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
550         to cater for when we don't need code offset.  Update use.
551         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
552         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
553         set_opd_valid): New functions.
554         (Target_powerpc::do_gc_add_reference): New function.
555         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
556         stashed refs.
557         (Target_powerpc::do_gc_mark_symbol): New function.
558
559 2012-09-06  Cary Coutant  <ccoutant@google.com>
560
561         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
562         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
563         (Dwarf_die::skip_attributes): Likewise.
564         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
565         * testsuite/gdb_index_test.cc (inline_func_1): New function.
566         (main): Call it.
567         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
568
569 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
570
571         * testsuite/script_test_3.t: Add .got.plt output section
572         statement.
573         * testsuite/script_test_4.t: Likewise.
574
575 2012-09-05  Alan Modra  <amodra@gmail.com>
576
577         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
578         update all uses and lose "enum" when using type.
579
580 2012-09-05  Alan Modra  <amodra@gmail.com>
581
582         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
583         * configure: Regenerate.
584         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
585         (plugin_final_layout.stdout): Likewise.
586         (memory_test): Set page sizes to 0x1000.
587         * testsuite/Makefile.in: Regenerate.
588         * testsuite/discard_locals_test.sh: Add FIXME comment.
589         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
590         * testsuite/pr14265.t: Add .got output section statement.
591         * testsuite/script_test_2.t: Likewise.
592         * testsuite/script_test_3.t: Likewise.
593         * testsuite/script_test_4.t: Likewise.
594         * testsuite/script_test_5.t: Likewise.
595         * testsuite/script_test_6.t: Likewise.
596         * testsuite/script_test_7.t: Likewise.
597         * testsuite/script_test_9.t: Likewise.
598
599 2012-09-05  Alan Modra  <amodra@gmail.com>
600
601         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
602         (Powerpc_relocate_functions::Status): New typedef.
603         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
604         (Target_powerpc::Scan::local): Handle REL64.
605         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
606         for REL32 and REL64.
607         (Target_powerpc::symval_for_branch): New function, extracted from..
608         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
609         checks.  Report overflow errors.
610
611 2012-09-05  Alan Modra  <amodra@gmail.com>
612
613         * object.h (Sized_relobj_file::emit_relocs): Delete.
614         (Sized_relobj_file::emit_relocs_reltype): Delete.
615         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
616         relocate_relocs for --emit-relocs.
617         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
618         * output.h: Update comment.
619         (Output_segment::first_section): New function.
620         (Output_segment::first_section_load_address): Use first_section.
621         * output.cc (Output_segment::first_section): New function extracted..
622         (Output_segment::first_section_load_address): ..from here.  Delete.
623         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
624         * target.h (Sized_target::relocate_for_relocatable): Likewise.
625         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
626         adjust call to target.h function.
627         * i386.cc (Target_i386): Likewise.
628         * sparc.cc (Target_sparc): Likewise.
629         * x86_64.cc (Target_x86_64): Likewise.
630         * powerpc.cc (Target_powerpc): Likewise.
631         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
632         first tls section has section symbol for optimised local dynamic
633         output relocs.
634         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
635         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
636         optimised tls code.
637         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
638         Rename to relocate_relocs.  Update error message.
639
640 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
641
642         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
643         --just-symbols.
644
645 2012-08-31  Alan Modra  <amodra@gmail.com>
646
647         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
648         (Powerpc_relobj::toc_base_offset): New stub function.
649         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
650         got_mod_index_offset to tlsld_got_offset.  Update all refs.
651         (Target_powerpc::Relocate::enum skip_tls): New.
652         (Target_powerpc::call_tls_get_addr_): New var.
653         (Target_powerpc::is_branch_reloc): Move to file scope.
654         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
655         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
656         New functions.
657         (Target_powerpc::enum Got_type): Delete old values, add new ones.
658         (powerpc_info): Correct common_pagesize for ppc64.
659         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
660         (Powerpc_relocate_functions): Add overflow check enums and functions.
661         Add non-shift version of rela, rela_ua.  Delete all rel public
662         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
663         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
664         addr16_ha3, addr14 functions.
665         (Output_data_got_powerpc::add_constant_pair): New function.
666         (Output_data_got_powerpc::got_base_offset): Likewise.
667         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
668         (instruction constants): Sort, add some more.
669         (Output_data_glink::do_write): Add and use Address typedef.  Use
670         object->toc_base_offset() stub for 64-bit.
671         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
672         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
673         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
674         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
675         Always treat .opd relocs as against locally defined symbol.
676         Correct condition for RELATIVE relocs.
677         (Target_powerpc::do_finalize_sections): Test for NULL sections.
678         (Target_powerpc::Relocate::relocate): Use plt call stub as value
679         for 32-bit syms with a plt entry.  Correct ppc64 toc base
680         calculations.  Handle TLS relocs, and more.  Add overflow
681         checking and adjust for Powerpc_relocate_functions changes.
682         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
683         Reinstate --emit-relocs code with FIXME.
684
685 2012-08-30  Alan Modra  <amodra@gmail.com>
686
687         * layout.cc (Layout::set_segment_offsets): Set p_align to
688         abi_pagesize, not common_pagesize.
689         (Layout::relaxation_loop_body): Similarly use abi_pagesize
690         to determine whether file header can go in segment.
691
692 2012-08-30  Alan Modra  <amodra@gmail.com>
693
694         * output.h (Output_reloc::Output_reloc <output section>): Add
695         is_relative param.  Adjust calls.
696         (Output_reloc::add_output_section_relative): New functions.
697         * output.cc (Output_reloc::Output_reloc <output section>): Handle
698         is_relative.
699         (Output_reloc::symbol_value): Handle SECTION_CODE.
700
701 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
702
703         * gold.cc (queue_middle_tasks): Call layout again when unique
704         segments for sections is desired.
705         * layout.cc (Layout::Layout): Initialize new members.
706         (Layout::get_output_section_flags): New function.
707         (Layout::choose_output_section): Call get_output_section_flags.
708         (Layout::layout): Make output section for mapping to a unique segment.
709         (Layout::insert_section_segment_map): New function.
710         (Layout::attach_allocated_section_to_segment): Make unique segment for
711         output sections marked so.
712         (Layout::segment_precedes): Check for unique segments when sorting.
713         * layout.h (Layout::Unique_segment_info): New struct.
714         (Layout::Section_segment_map): New typedef.
715         (Layout::insert_section_segment_map): New function.
716         (Layout::get_output_section_flags): New function.
717         (Layout::is_unique_segment_for_sections_specified): New function.
718         (Layout::set_unique_segment_for_sections_specified): New function.
719         (Layout::unique_segment_for_sections_specified_): New member.
720         (Layout::section_segment_map_): New member.
721         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
722         Rename is_gc_pass_one to is_pass_one.
723         Rename is_gc_pass_two to is_pass_two.
724         Rename is_gc_or_icf to is_two_pass.
725         Check for which pass based on whether symbols data is present.
726         Make it two pass when unique segments for sections is desired.
727         * output.cc (Output_section::Output_section): Initialize new
728         members.
729         * output.h (Output_section::is_unique_segment): New function.
730         (Output_section::set_is_unique_segment): New function.
731         (Output_section::is_unique_segment_): New member.
732         (Output_section::extra_segment_flags): New function.
733         (Output_section::set_extra_segment_flags): New function.
734         (Output_section::extra_segment_flags_): New member.
735         (Output_section::segment_alignment): New function.
736         (Output_section::set_segment_alignment): New function.
737         (Output_section::segment_alignment_): New member.
738         (Output_segment::Output_segment): Initialize is_unique_segment_.
739         (Output_segment::is_unique_segment): New function.
740         (Output_segment::set_is_unique_segment): New function.
741         (Output_segment::is_unique_segment_): New member.
742         * plugin.cc (allow_unique_segment_for_sections): New function.
743         (unique_segment_for_sections): New function.
744         (Plugin::load): Add new functions to transfer vector.
745         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
746         * Makefile.in: Regenerate.
747         * testsuite/plugin_final_layout.sh: Check if unique segment
748         functionality works.
749         * testsuite/plugin_section_order.c (onload): Check if new interfaces
750         are available.
751         (allow_unique_segment_for_sections): New global.
752         (unique_segment_for_sections): New global.
753         (claim_file_hook): Call allow_unique_segment_for_sections.
754         (all_symbols_read_hook): Call unique_segment_for_sections.
755
756 2012-08-22  Cary Coutant  <ccoutant@google.com>
757
758         * layout.cc (Layout::include_section): Don't assert on GROUP
759         sections with --emit-relocs.
760
761 2012-08-21  Cary Coutant  <ccoutant@google.com>
762
763         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
764         if --export-dynamic-symbol names an undef symbol.
765
766 2012-08-18  Alan Modra  <amodra@gmail.com>
767
768         * powerpc.cc: Formatting and white space.
769         (Powerpc_relobj): Rename got2_section_ to special_.
770         Add opd_ent_shndx_ and opd_ent_off_ vectors.
771         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
772         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
773         (Target_powerpc): Add Address typedef and invalid_address.  Use
774         throughout.
775         (Target_powerpc::is_branch_reloc): New function.
776         (Powerpc_relocate_functions): Add Address typedef, use throughout.
777         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
778         for dst_mask, value and addend.
779         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
780         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
781         (Output_data_glink::do_write): Correct toc base.  Don't try to use
782         uint16_t for 24-bit offset.  Use get_output_section_offset and
783         check return.
784         (Target_powerpc::Scan::local): Handle more relocs.
785         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
786         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
787         Plug in toc restoring insn after plt calls.  Translate branches
788         to function descriptor symbols to corresponding entry point.
789         (Target_powerpc::relocate_for_relocatable): Check return from
790         get_output_section_offset.
791         * symtab.h: Comment typo.
792
793 2012-08-14  Ian Lance Taylor  <iant@google.com>
794
795         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
796         unsupported_relocal_local to call unsupported_reloc_global.
797
798 2012-08-14  Nick Clifton  <nickc@redhat.com>
799
800         PR ld/14265
801         * script-sections.cc (Sections_element::output_section_name): Add
802         keep return parameter.
803         (Output_section_element::match_name): Add keep return parameter.
804         Return the value of the keep_ member.
805         * script-sections.h (class Output_section): Update
806         output_section_name prototype.
807         * layout.cc (Layout::keep_input_section): New public member
808         function.
809         (Layout::choose_output_section): Pass keep parameter to
810         output_section_name.
811         * layout.h (class Layout): Add keep_input_section.
812         * object.cc (Sized_relobj_file::do_layout): Check for kept input
813         sections.
814         * testsuite/Makefile.am: Add a test.
815         * testsuite/Makefile.in: Regenerate.
816         * testsuite/pr14265.c: Source file for the test.
817         * testsuite/pr14265.t: Linker script for the test.
818         * testsuite/pr14265.sh: Shell script for the test.
819
820 2012-08-14  Alan Modra  <amodra@gmail.com>
821
822         * target.h (Target::output_section_name): New function.
823         (Target::do_output_section_name): New function.
824         * layout.cc (Layout::choose_output_section): Call the above.
825         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
826
827 2012-08-14  Alan Modra  <amodra@gmail.com>
828
829         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
830         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
831         for replace_constant call.
832         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
833         (Output_data_glink::do_print_to_mapfile): New function.
834         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
835         (Target_powerpc::Relocate::relocate): Likewise.
836
837 2012-08-14  Alan Modra  <amodra@gmail.com>
838
839         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
840         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
841         (Output_data_glink::add_entry,find_entry): Remove shndx param.
842         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
843         all references to shndx_.  Handle special case for R_PPC_PLTREL24
844         here.
845         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
846         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
847         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
848         here.
849         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
850         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
851
852 2012-08-12  Alan Modra  <amodra@gmail.com>
853
854         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
855         (glink insn constants): Use uint32_t.
856         (Output_data_glink::add_entry): Use insert, not [] operator.
857
858 2012-08-11  Alan Modra  <amodra@gmail.com>
859
860         * object.h (Sized_relobj_file::find_shdr): New function.
861         (Sized_relobj_file::find_special_sections): New function.
862         * object.cc (Sized_relobj_file::find_shdr): New function.
863         (Sized_relobj_file::find_eh_frame): Use find_shdr.
864         (Sized_relobj_file::find_special_sections): New function, split out..
865         (Sized_relobj_file::do_read_symbols): ..from here.
866         * output.h (Output_data_got::replace_constant): New function.
867         (Output_data_got::num_entries): New function.
868         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
869         (Output_data_got::got_offset): Protected rather than private.
870         (Output_data_got::replace_got_entry): New function.
871         * output.cc (Output_data_got::replace_got_entry): New function.
872         * powerpc.cc (class Powerpc_relobj): New.
873         (class Powerpc_relocate_functions): Delete all psymval variants or
874         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
875         Implement _ha functions using corresponding _hi function.
876         (Powerpc_relobj::find_special_sections): New function.
877         (Target_powerpc::do_make_elf_object): New function.
878         (class Output_data_got_powerpc): New.
879         (class Output_data_glink): New.
880         (class Powerpc_scan_relocatable_reloc): New.
881         Many more changes througout file.
882
883 2012-08-09  Nick Clifton  <nickc@redhat.com>
884
885         * po/vi.po: Updated Vietnamese translation.
886
887 2012-08-07  Ian Lance Taylor  <iant@google.com>
888
889         * layout.cc (Layout::add_target_dynamic_tags): If
890         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
891         plt_rel.
892
893 2012-07-30  Nick Clifton  <nickc@redhat.com>
894
895         * po/gold.pot: Updated template.
896         * po/es.po: Updated Spanish translation.
897
898 2012-07-18  Cary Coutant  <ccoutant@google.com>
899
900         PR gold/14344
901         * configure.ac: Add check for -gpubnames support.
902         * configure: Regenerate.
903         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
904         support; force -gno-pubnames.
905         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
906         support.
907         (gdb_index_test_4): New test.
908         * testsuite/Makefile.in: Regenerate.
909         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
910         * testsuite/gdb_index_test_2.sh: Likewise.
911         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
912         * testsuite/gdb_index_test_4.sh: New script.
913         * testsuite/gdb_index_test_comm.sh: New script with common code;
914         don't look for space after colon.
915
916 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
917
918         * gold.cc (queue_middle_tasks): Update function order only after
919         deferred objects due to plugins are processed.
920
921 2012-07-11  Ian Lance Taylor  <iant@google.com>
922
923         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
924         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
925         (Target_arm::scan_reloc_for_stub): Likewise.
926         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
927         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
928         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
929         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
930         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
931
932 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
933             Ian Lance Taylor  <iant@google.com>
934
935         PR gold/14309
936         * configure.ac: Test whether std::tr1::hash<off_t> works.
937         * gold.h: Add a specialization for std::tr1::hash<off_t> if
938         needed.
939         * output.h (class Output_fill): Add virtual destructor.
940         * configure, config.in: Rebuild.
941
942 2012-06-22  Roland McGrath  <mcgrathr@google.com>
943
944         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
945
946 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
947
948         * plugin.cc (Plugin::load): Handle position independent executables.
949
950 2012-06-06  Cary Coutant  <ccoutant@google.com>
951
952         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
953         add .debug_macro.
954         (lines_only_debug_sections): Likewise.
955         (gdb_fast_lookup_sections): New static array.
956         (is_gdb_debug_section): Rename formal parameter.
957         (is_lines_only_debug_section): Likewise.
958         (is_gdb_fast_lookup_section): New function.
959         (Layout::include_section): Check for ".zdebug_" prefix; pass
960         section name suffix to is_gdb_debug_section, et al.; check for
961         fast-lookup sections when building .gdb_index.
962         * options.h (--strip-debug-gdb): Update GDB version number.
963
964 2012-06-06  Cary Coutant  <ccoutant@google.com>
965
966         * configure.ac: Add check for fallocate.
967         * configure: Regenerate.
968         * config.in: Regenerate.
969
970         * options.h (class General_options): Add --mmap-output-file and
971         --posix-fallocate options.
972         * output.cc: (posix_fallocate): Remove; replace with...
973         (gold_fallocate): New function.
974         (Output_file::map_no_anonymous): Call gold_fallocate.
975         (Output_file::map): Check --mmap-output-file option.
976
977 2012-06-05  Jing Yu  <jingyu@google.com>
978
979         * gold.h (textdomain): Add do {} to empty while(0).
980         (bindtextdomain): Likewise.
981
982 2012-06-04  Cary Coutant  <ccoutant@google.com>
983
984         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
985         has_dynsym_index.
986
987 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
988
989         * symtab.cc (Symbol_table::define_special_symbol):
990         Initialize *poldsym to prevent uninitialized variable errors.
991
992 2012-05-23  Cary Coutant  <ccoutant@google.com>
993
994         * layout.cc (Layout::section_name_mapping): Add rules to handle
995         exact match on .data.rel.ro.local or .data.rel.ro.
996         (Layout::output_section_name): Check for exact matches.
997
998 2012-05-23  Cary Coutant  <ccoutant@google.com>
999
1000         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1001         more carefully.
1002
1003 2012-05-22  Cary Coutant  <ccoutant@google.com>
1004
1005         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1006         object before exporting symbol.
1007
1008 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1009
1010         * testsuite/tls_test.cc: Include "config.h" first.
1011         * testsuite/tls_test_c.c: Likewise.
1012
1013 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1014             Nick Clifton  <nickc@redhat.com>
1015
1016         PR 14072
1017         * configure.in: Add check that sysdep.h has been included before
1018         any system header files.
1019         * configure: Regenerate.
1020         * config.in: Regenerate.
1021
1022 2012-05-14  Cary Coutant  <ccoutant@google.com>
1023
1024         * layout.cc (Layout::make_output_section): Mark .tdata section
1025         as RELRO.
1026         * testsuite/relro_test.cc: Add a TLS variable.
1027
1028 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1029
1030         PR gold/14091
1031         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1032         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1033         R_X86_64_64.
1034
1035 2012-05-08  Cary Coutant  <ccoutant@google.com>
1036
1037         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1038         (lines_only_debug_sections): Likewise.
1039
1040 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1041
1042         * nacl.cc: New file.
1043         * nacl.h: New file.
1044         * Makefile.am (CCFILES, HFILES): Add them.
1045         * Makefile.in: Regenerate.
1046         * i386.cc (Output_data_plt_i386_nacl): New class.
1047         (Output_data_plt_i386_nacl_exec): New class.
1048         (Output_data_plt_i386_nacl_dyn): New class.
1049         (Target_i386_nacl): New class.
1050         (Target_selector_i386_nacl): New class.
1051         (target_selector_i386): Use it instead of Target_selector_i386.
1052         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1053         (Target_x86_64_nacl): New class.
1054         (Target_selector_x86_64_nacl): New class.
1055         (target_selector_x86_64, target_selector_x32): Use it instead of
1056         Target_selector_x86_64.
1057         * arm.cc (Output_data_plt_arm_nacl): New class.
1058         (Target_arm_nacl): New class.
1059         (Target_selector_arm_nacl): New class.
1060         (target_selector_arm, target_selector_armbe): Use it instead of
1061         Target_selector_arm.
1062
1063         * target-select.cc (select_target): Take new Input_file* and off_t
1064         arguments, pass them on to recognize method of selector.
1065         * object.cc (make_elf_sized_object): Update caller.
1066         * parameters.cc (parameters_force_valid_target): Likewise.
1067         * incremental.cc (make_sized_incremental_binary): Likewise.
1068         * target-select.h: Update decl.
1069         (Target_selector::recognize): Take new Input_file* argument,
1070         pass it on to do_recognize.
1071         (Target_selector::do_recognize): Take new Input_file* argument.
1072         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1073         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1074         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1075         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1076
1077         * target.h (Target::Target_info): New members isolate_execinstr
1078         and rosegment_gap.
1079         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1080         * arm.cc (Target_arm::arm_info): Update initializer.
1081         * i386.cc (Target_i386::i386_info): Likewise.
1082         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1083         * sparc.cc (Target_sparc::sparc_info): Likewise.
1084         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1085         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1086         * layout.cc (Layout::attach_allocated_section_to_segment):
1087         Take new const Target* argument.  If target->isolate_execinstr(), act
1088         like --rosegment.
1089         (Layout::find_first_load_seg): Take new const Target* argument;
1090         if target->isolate_execinstr(), reject PF_X segments.
1091         (Layout::relaxation_loop_body): Update caller.
1092         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1093         reset file offset to zero when we hit LOAD_SEG, and then do a second
1094         loop over the segments before LOAD_SEG to reassign offsets after
1095         addresses have been determined.  Handle target->rosegment_gap().
1096         (Layout::attach_section_to_segment): Take new const Target* argument;
1097         pass it to attach_allocated_section_to_segment.
1098         (Layout::make_output_section): Update caller.
1099         (Layout::attach_sections_to_segments): Take new const Target* argument;
1100         pass it to attach_section_to_segment.
1101         * gold.cc (queue_middle_tasks): Update caller.
1102         * layout.h (Layout): Update method decls with new arguments.
1103
1104         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1105         Target_info pointer to use.
1106         (Target_arm::do_make_data_plt): New virtual method.
1107         (Target_arm::make_data_plt): New method that calls it.
1108         (Target_arm::make_plt_entry): Use it.
1109         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1110         for the section alignment.
1111         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1112         method.
1113         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1114         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1115         method.
1116         (Output_data_plt_arm::get_plt_entry_size): Call it.
1117         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1118         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1119         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1120         method.
1121         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1122         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1123         method instead of sizeof(plt_entry).
1124         (Output_data_plt_arm::add_entry): Likewise.
1125         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1126         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1127         than static method.
1128         (Target_arm::plt_entry_size): Likewise.
1129         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1130         Move to ...
1131         (Output_data_plt_arm_standard): ... here, new class.
1132         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1133         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1134         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1135
1136         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1137         Take additional argument for the PLT entry size.
1138         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1139         Use get_plt_entry_size method rather than plt_entry_size variable.
1140         (Output_data_plt_x86_64::reserve_slot): Likewise.
1141         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1142         (Output_data_plt_x86_64::add_entry): Likewise.
1143         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1144         (Output_data_plt_x86_64::address_for_global): Likewise.
1145         (Output_data_plt_x86_64::address_for_local): Likewise.
1146         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1147         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1148         Make method non-static.
1149         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1150         method.
1151         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1152         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1153         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1154         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1155         virtual method.
1156         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1157         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1158         virtual method.
1159         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1160         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1161         virtual method.
1162         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1163         (Output_data_plt_x86_64::plt_entry_size)
1164         (Output_data_plt_x86_64::first_plt_entry)
1165         (Output_data_plt_x86_64::plt_entry)
1166         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1167         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1168         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1169         (Output_data_plt_x86_64_standard): ... here, new class.
1170         (Target_x86_64::Target_x86_64): Take optional argument for the
1171         Target_info pointer to use.
1172         (Target_x86_64::do_make_data_plt): New virtual method.
1173         (Target_x86_64::make_data_plt): New method to call it.
1174         (Target_x86_64::init_got_plt_for_update): Use that.
1175         Call this->plt_->add_eh_frame method here.
1176         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1177         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1178         rather than static method.
1179         (Target_x86_64::plt_entry_size): Likewise.
1180         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1181         rather than plt_entry_size variable.  Move guts of PLT filling to...
1182         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1183         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1184         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1185
1186         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1187         additional argument for the section alignment.
1188         Don't do add_eh_frame_for_plt here.
1189         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1190         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1191         variable.
1192         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1193         method.
1194         (Output_data_plt_i386::get_plt_entry_size): Call it.
1195         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1196         (Output_data_plt_i386::add_eh_frame): New method to call it.
1197         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1198         method.
1199         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1200         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1201         method.
1202         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1203         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1204         method instead of plt_entry_size.
1205         (Output_data_plt_i386::plt_entry_size)
1206         (Output_data_plt_i386::plt_eh_frame_fde_size)
1207         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1208         (Output_data_plt_i386_standard): ... here, new class.
1209         (Output_data_plt_i386_exec): New class.
1210         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1211         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1212         (Output_data_plt_i386::exec_plt_entry): Move to ...
1213         (Output_data_plt_i386_exec::plt_entry): ... here.
1214         (Output_data_plt_i386_dyn): New class.
1215         (Output_data_plt_i386::first_plt_entry): Move to ...
1216         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1217         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1218         (Output_data_plt_i386_dyn::plt_entry): ... here.
1219         (Target_i386::Target_i386): Take optional argument for the Target_info
1220         pointer to use.
1221         (Target_i386::do_make_data_plt): New virtual method.
1222         (Target_i386::make_data_plt): New method to call it.
1223         (Target_i386::make_plt_section): Use that.
1224         Call this->plt_->add_eh_frame method here.
1225         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1226         rather than plt_entry_size variable.
1227         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1228         (Output_data_plt_i386::address_for_local): Likewise.
1229         (Output_data_plt_i386::do_write): Likewise.
1230         Move guts of PLT filling to...
1231         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1232         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1233         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1234         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1235
1236 2012-05-01  Cary Coutant  <ccoutant@google.com>
1237
1238         * dwarf_reader.cc (Dwarf_die::read_attributes)
1239         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1240         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1241         * reduced_debug_output.cc
1242         (Output_reduced_debug_info_section::get_die_end): Remove
1243         DW_FORM_GNU_ref_index.  Add default case.
1244
1245 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1246
1247         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1248         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1249         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1250         DW_AT_high_pc as offset from DW_AT_low_pc.
1251
1252         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1253         * testsuite/Makefile.in: Regenerate.
1254         * testsuite/gdb_index_test_3.c: New test source file.
1255         * testsuite/gdb_index_test_3.sh: New test source file.
1256
1257 2012-04-25  Ian Lance Taylor  <iant@google.com>
1258
1259         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1260         pointer.
1261         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1262         as a class, not a struct.
1263         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1264         (Target_arm::apply_cortex_a8_workaround): Likewise.
1265         * gc.h: Declare Reloc_types as a struct, not a class.
1266         * object.h: Declare Symbols_data as a struct.
1267         * reloc.h: Declare Read_relocs_data as a struct.
1268         * target.h: Declare Relocate_info as a struct.
1269
1270 2012-04-24  David S. Miller  <davem@davemloft.net>
1271
1272         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1273         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1274         and R_SPARC_WPLT30.
1275
1276 2012-04-24  Cary Coutant  <ccoutant@google.com>
1277
1278         * incremental-dump.cc (find_input_containing_global): Replace
1279         magic number with symbolic constant.
1280         (dump_incremental_inputs): Update version number.
1281         * incremental.cc (Output_section_incremental_inputs): Update version
1282         number; import symbolic constants from Incremental_inputs_reader.
1283         (Incremental_inputs::create_data_sections): Align relocations
1284         section correctly for 64-bit targets.
1285         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1286         constants; add padding.
1287         (Output_section_incremental_inputs::write_header): Add assert for
1288         header_size.
1289         (Output_section_incremental_inputs::write_input_files): Add assert
1290         for input_entry_size.
1291         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1292         add assert for object_info_size, input_section_entry_size,
1293         global_sym_entry_size.
1294         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1295         for data structure sizes; use them.
1296         (Incremental_input_entry_reader): Import symbolic constants from
1297         Incremental_inputs_reader; use them.
1298
1299 2012-04-23  David S. Miller  <davem@davemloft.net>
1300
1301         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1302         and elf_flags_set_.
1303         (Target_sparc::Target_sparc): Initialize new fields.
1304         (Target_sparc::do_make_elf_object): New function.
1305         (Target_sparc::do_adjust_elf_header): New function.
1306
1307 2012-04-23  Cary Coutant  <ccoutant@google.com>
1308
1309         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1310         CU range table of gdb index.
1311
1312 2012-04-20  David S. Miller  <davem@davemloft.net>
1313
1314         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1315         instead of false.
1316
1317 2012-04-16  David S. Miller  <davem@davemloft.net>
1318
1319         * sparc.cc (Target_sparc::got_address): New function.
1320         (Sparc_relocate_functions::gdop_hix22): New function.
1321         (Sparc_relocate_functions::gdop_lox10): New function.
1322         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1323         relocs.
1324         (Target_sparc::Scan::local): Likewise if the global symbol is not
1325         preemptible and is not IFUNC.
1326         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1327         transformations for local and non-preemptible non-IFUNC global
1328         symbols.
1329
1330         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1331         writing out 64-bit part of ranges.
1332
1333         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1334         -fpic and -fpie respectively.
1335         * Makefile.in: Regenerate.
1336
1337         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1338         (Target_sparc::Target_sparc): Initialize new field.
1339         (Target_sparc::do_plt_section_for_global): New function.
1340         (Target_sparc::do_plt_section_for_local): New function.
1341         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1342         (Target_sparc::make_plt_section): New function, broken out of
1343         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1344         (Target_sparc::make_plt_entry): Call make_plt_section.
1345         (Target_sparc::make_local_ifunc_plt_entry): New function.
1346         (Target_sparc::rela_ifunc_section): New function.
1347         (Target_sparc::plt_section): Remove const.
1348         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1349         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1350         and ifunc_count_ fields.
1351         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1352         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1353         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1354         (Output_data_plt_sparc::rela_ifunc): New function.
1355         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1356         (Output_data_plt_sparc::has_ifunc_section): New function.
1357         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1358         (Output_data_plt_sparc::address_for_global): New function.
1359         (Output_data_plt_sparc::address_for_local): New function.
1360         (Output_data_plt_sparc::plt_index_to_offset): New function.
1361         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1362         and entry_count.
1363         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1364         entry_count.
1365         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1366         R_SPARC_JMP_IREL to switch.
1367         (Target_sparc::Scan::check_non_pic): Likewise.
1368         (Target_sparc::Scan::local): Handle IFUNC symbols.
1369         (Target_sparc::Scan::local): Likewise.
1370         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1371         and plt_address_for_local.
1372         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1373         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1374
1375         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1376         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1377         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1378         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1379         global relocs too.
1380         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1381         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1382         calls.
1383         * sparc.cc (Target_sparc::Scan::global): Likewise.
1384         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1385
1386 2012-04-16  Cary Coutant  <ccoutant@google.com>
1387
1388         * archive.cc (Library_base::should_include_member): Check for
1389         --export-dynamic-symbol.
1390         * options.h (class General_options): Add --export-dynamic-symbol.
1391         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1392         --export-dynamic-symbol.
1393         (Symbol_table::gc_mark_undef_symbols): Likewise.
1394         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1395
1396 2012-04-12  David S. Miller  <davem@davemloft.net>
1397
1398         * sparc.cc (Reloc::wdisp10): New relocation method.
1399         (Reloc::h34): Likewise.
1400         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1401         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1402         R_SPARC_WDISP10.
1403         (Target_sparc::Scan::local): Likewise.
1404         (Target_sparc::Scan::global): Likewise.
1405         (Target_sparc::Relocate::relocate): Likewise.
1406
1407 2012-04-09  Cary Coutant  <ccoutant@google.com>
1408
1409         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1410         low_pc == 0.
1411
1412 2012-04-06  Ian Lance Taylor  <iant@google.com>
1413
1414         * timer.cc: #include <unistd.h>.
1415
1416 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1417
1418         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1419         * config.in: Regenerate.
1420         * configure: Regenerate.
1421
1422 2012-04-05  Nick Clifton  <nickc@redhat.com>
1423
1424         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1425         (AM_LC_MESSAGES): Add.
1426         * aclocal.m4: Regenerate.
1427         * config.in: Regenerate.
1428         * configure: Regenerate.
1429
1430 2012-03-21  Cary Coutant  <ccoutant@google.com>
1431
1432         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1433         * Makefile.in: Regenerate.
1434         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1435         (Sized_elf_reloc_mapper::symbol_section): New function.
1436         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1437         (make_elf_reloc_mapper): New function.
1438         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1439         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1440         (Dwarf_abbrev_table::do_get_abbrev): New function.
1441         (Dwarf_ranges_table::read_ranges_table): New function.
1442         (Dwarf_ranges_table::read_range_list): New function.
1443         (Dwarf_pubnames_table::read_section): New function.
1444         (Dwarf_pubnames_table::read_header): New function.
1445         (Dwarf_pubnames_table::next_name): New function.
1446         (Dwarf_die::Dwarf_die): New function.
1447         (Dwarf_die::read_attributes): New function.
1448         (Dwarf_die::skip_attributes): New function.
1449         (Dwarf_die::set_name): New function.
1450         (Dwarf_die::set_linkage_name): New function.
1451         (Dwarf_die::attribute): New function.
1452         (Dwarf_die::string_attribute): New function.
1453         (Dwarf_die::int_attribute): New function.
1454         (Dwarf_die::uint_attribute): New function.
1455         (Dwarf_die::ref_attribute): New function.
1456         (Dwarf_die::child_offset): New function.
1457         (Dwarf_die::sibling_offset): New function.
1458         (Dwarf_info_reader::check_buffer): New function.
1459         (Dwarf_info_reader::parse): New function.
1460         (Dwarf_info_reader::do_parse): New function.
1461         (Dwarf_info_reader::do_read_string_table): New function.
1462         (Dwarf_info_reader::lookup_reloc): New function.
1463         (Dwarf_info_reader::get_string): New function.
1464         (Dwarf_info_reader::visit_compilation_unit): New function.
1465         (Dwarf_info_reader::visit_type_unit): New function.
1466         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1467         Sized_elf_reloc_mapper.
1468         (Sized_dwarf_line_info::symbol_section): Remove function.
1469         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1470         (Sized_dwarf_line_info::read_line_mappings): Remove object
1471         parameter, adjust callers.
1472         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1473         * dwarf_reader.h: Include <sys/types.h>.
1474         (class Track_relocs): Remove forward declaration.
1475         (class Elf_reloc_mapper): New class.
1476         (class Sized_elf_reloc_mapper): New class.
1477         (class Dwarf_abbrev_table): New class.
1478         (class Dwarf_range_list): New class.
1479         (class Dwarf_ranges_table): New class.
1480         (class Dwarf_pubnames_table): New class.
1481         (class Dwarf_die): New class.
1482         (class Dwarf_info_reader): New class.
1483         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1484         (Sized_dwarf_line_info::symbol_section): Remove member function.
1485         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1486         base class.
1487         * gdb-index.cc: New source file.
1488         * gdb-index.h: New source file.
1489         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1490         and .debug_types sections, call Layout::add_to_gdb_index.
1491         (Sized_relobj_incr::do_section_name): Implement.
1492         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1493         return type; Implement.
1494         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1495         return type.
1496         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1497         parameter list and return type.
1498         (Sized_incr_dynobj::do_section_contents): Likewise.
1499         * layout.cc: Include gdb-index.h.
1500         (Layout::Layout): Initialize gdb_index_data_.
1501         (Layout::init_fixed_output_section): Check for .gdb_index section.
1502         (Layout::add_to_gdb_index): New function. Instantiate.
1503         * layout.h: Add forward declaration for class Gdb_index.
1504         (Layout::add_to_gdb_index): New member function.
1505         (Layout::gdb_index_data_): New data member.
1506         * main.cc: Include gdb-index.h.
1507         (main): Print statistics for gdb index.
1508         * object.cc (Object::section_contents): Move code into
1509         do_section_contents.
1510         (need_decompressed_section): Check for sections needed when building
1511         gdb index.
1512         (build_compressed_section_map): Likewise.
1513         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1514         gdb index.
1515         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1516         sections; call Layout::add_to_gdb_index.
1517         (Sized_relobj_file::do_decompressed_section_contents): Call
1518         do_section_contents directly.
1519         * object.h (Object::do_section_contents): Adjust parameter list and
1520         return type.
1521         (Object::do_decompressed_section_contents): Call do_section_contents
1522         directly.
1523         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1524         return type.
1525         * options.h (class General_options): Add --gdb-index option.
1526         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1527         list and return type.
1528         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1529         * reloc.h (Track_relocs::checkpoint): New function.
1530         (Track_relocs::reset): New function.
1531
1532         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1533         New test cases.
1534         * testsuite/Makefile.in: Regenerate.
1535         * testsuite/gdb_index_test.cc: New test source file.
1536         * testsuite/gdb_index_test_1.sh: New test source file.
1537         * testsuite/gdb_index_test_2.sh: New test source file.
1538
1539 2012-03-19  Doug Kwan  <dougkwan@google.com>
1540
1541         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1542         (Target_arm::do_finalize_sections): Remove code which defines
1543         __exidx_start and __exidx_end.  Make symbol table parameter
1544         anonymous as it is not used.
1545         * gold.cc (queue_middle_tasks): Call target hook to define any
1546         target-specific symbols.
1547         * target.h (Target::define_standard_symbols): New method.
1548         (Target::do_define_standard_symbols): Same.
1549         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1550         * testsuite/Makefile.in: Regenerate.
1551         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1552         and __exidx_end.
1553         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1554         relocations are generated for __exidx_start and __exidx_end.
1555
1556 2012-03-16  Doug Kwan  <dougkwan@google.com>
1557
1558         * testsuite/Makefile.am: Disable test initpri3b.
1559         * testsuite/Makefile.in: Regenerate.
1560
1561 2012-03-15  Doug Kwan  <dougkwan@google.com>
1562
1563         * arm.cc (Target_arm::got_section): Make .got section read-only
1564         if -z now is given.
1565
1566 2012-03-15  Ian Lance Taylor  <iant@google.com>
1567
1568         PR gold/13850
1569         * layout.cc (Layout::make_output_section): Correctly mark
1570         SHT_INIT_ARRAY, et. al., as relro.
1571
1572 2012-03-14  Doug Kwan  <dougkwan@google.com>
1573
1574         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1575         dynamic relocations for protected symbols in shared objects.
1576
1577 2012-03-13  Ian Lance Taylor  <iant@google.com>
1578
1579         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1580         keep the larger alignment.
1581
1582 2012-03-12  Cary Coutant  <ccoutant@google.com>
1583
1584         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1585         handling of DW_LNE_define_file.
1586
1587 2012-03-12  Cary Coutant  <ccoutant@google.com>
1588
1589         * reduced_debug_output.cc
1590         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1591         codes to switch.
1592
1593 2012-02-29  Cary Coutant  <ccoutant@google.com>
1594
1595         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1596
1597 2012-02-29  Cary Coutant  <ccoutant@google.com>
1598
1599         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1600         Call Object::decompressed_section_contents.
1601         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1602         New dtor.
1603         (Sized_dwarf_line_info::buffer_start_): New data member.
1604         * merge.cc (Output_merge_data::do_add_input_section): Call
1605         Object::decompressed_section_contents.
1606         (Output_merge_string::do_add_input_section): Likewise.
1607         * object.cc (need_decompressed_section): New function.
1608         (build_compressed_section_map): Decompress sections needed later.
1609         (Sized_relobj_file::do_decompressed_section_contents): New function.
1610         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1611         * object.h (Object::decompressed_section_contents): New function.
1612         (Object::discard_decompressed_sections): New function.
1613         (Object::do_decompressed_section_contents): New function.
1614         (Object::do_discard_decompressed_sections): New function.
1615         (Compressed_section_info): New type.
1616         (Compressed_section_map): Include decompressed section contents.
1617         (Sized_relobj_file::do_decompressed_section_contents): New function.
1618         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1619
1620 2012-02-16  Cary Coutant  <ccoutant@google.com>
1621
1622         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1623         * testsuite/Makefile.in: Regenerate.
1624
1625 2012-02-14  Cary Coutant  <ccoutant@google.com>
1626
1627         * options.cc (General_options::finalize): Disallow -pie and -static.
1628
1629 2012-02-03  Doug Kwan  <dougkwan@google.com>
1630
1631         * arm.cc (Arm_relocate_functions::abs8,
1632         Arm_relocate_functions::abs16): Use
1633         Bits::has_signed_unsigned_overflow32.
1634         (Arm_relocate_functions::thm_abs8): Correct range of
1635         overflow check.
1636         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1637         in assertions.
1638
1639 2012-02-02  Doug Kwan  <dougkwan@google.com>
1640
1641         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1642         position independent outputs, not just shared objects.
1643
1644 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1645
1646         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1647         * configure: Regenerated.
1648
1649 2012-01-27  Ian Lance Taylor  <iant@google.com>
1650
1651         * reloc.h (Bits): New class with static functions, copied from
1652         namespace utils in arm.cc.
1653         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1654         instead.
1655
1656 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1657
1658         * incremental.cc (write_info_blocks): Correct relocation offset.
1659
1660 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1661
1662         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1663         (Relocate::tls_gd_to_le): Likewise.
1664
1665 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1666
1667         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1668
1669 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1670
1671         * configure.ac: Check if -mcmodel=medium works.
1672         * configure: Regenerated.
1673
1674 2012-01-24  Cary Coutant  <ccoutant@google.com>
1675
1676         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1677         definition and ...
1678         (read_unsigned_LEB_128_x): ... this new function.
1679         (read_signed_LEB_128): Replaced with inline definition and ...
1680         (read_signed_LEB_128_x): ... this new function.
1681         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1682         (read_unsigned_LEB_128): Add inline definition.
1683         (read_signed_LEB_128_x): New function.
1684         (read_signed_LEB_128): Add inline definition.
1685         * testsuite/Makefile.am (leb128_unittest): New unit test.
1686         * testsuite/Makefile.in: Regenerate.
1687         * testsuite/leb128_unittest.cc: New unit test.
1688
1689 2012-01-23  Ian Lance Taylor  <iant@google.com>
1690
1691         PR gold/13617
1692         * i386.cc (Target_i386::do_code_fill): When using a jmp
1693         instruction, pad with nop instructions.
1694         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1695
1696 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1697
1698         * x86_64.cc (gc_process_relocs): Add typename on types used in
1699         template.
1700         (scan_relocs): Likewise.
1701         (relocate_section): Likewise.
1702         (apply_relocation): Likewise.
1703
1704 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1705
1706         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1707         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1708         under x32.
1709
1710 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1711
1712         * x86_64.cc: Initial support for x32.
1713
1714 2012-01-03  Cary Coutant  <ccoutant@google.com>
1715
1716         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1717         Use abstract base class for GOT.
1718         * gold/output.h (class Output_data_got_base): New abstract base class.
1719         (class Output_data_got): Derive from new base class, adjust ctors.
1720         (Output_data_got::reserve_slot): Make virtual; rename to
1721         do_reserve_slot; Adjust callers.
1722         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1723         pointer to abstract base class.
1724         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1725
1726 2011-12-18  Ian Lance Taylor  <iant@google.com>
1727
1728         * object.h (Relobj::local_symbol_value): New function.
1729         (Relobj::local_plt_offset): New function.
1730         (Relobj::local_has_got_offset): New function.
1731         (Relobj::local_got_offset): New function.
1732         (Relobj::set_local_got_offset): New function.
1733         (Relobj::do_local_symbol_value): New pure virtual function.
1734         (Relobj::do_local_plt_offset): Likewise.
1735         (Relobj::do_local_has_got_offset): Likewise.
1736         (Relobj::do_local_got_offset): Likewise.
1737         (Relobj::do_set_local_got_offset): Likewise.
1738         (Sized_relobj::do_local_has_got_offset): Rename from
1739         local_has_got_offset.
1740         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1741         (Sized_relobj::do_set_local_got_offset): Rename from
1742         set_local_got_offset.
1743         (Sized_relobj_file::do_local_plt_offset): Rename from
1744         local_plt_offset.
1745         (Sized_relobj_file::do_local_symbol_value): New function.
1746         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1747         local_plt_offset.
1748         * output.cc (Output_data_got::Got_entry::write): Change object to
1749         Relobj.  Use local_symbol_value.
1750         (Output_data_got::add_global_with_rel): Change rel_dyn to
1751         Output_data_reloc_generic*.  Use add_global_generic.
1752         (Output_data_got::add_global_with_rela): Remove.  Change all
1753         callers to use add_global_with_rel.
1754         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1755         Output_data_reloc_generic*.  Use add_global_generic.
1756         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1757         callers to use add_global_pair_with_rel.
1758         (Output_data_got::add_local): Change object to Relobj*.
1759         (Output_data_got::add_local_plt): Likewise.
1760         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1761         change rel_dyn to Output_data_reloc_generic*.  Use
1762         add_local_generic.
1763         (Output_data_got::add_local_with_rela): Remove.  Change all
1764         callers to use all_local_with_rel.
1765         (Output_data_got::add_local_pair_with_rel): Change object to
1766         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1767         add_output_section_generic.
1768         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1769         callers to use add_local_pair_with_rel.
1770         (Output_data_got::reserve_local): Change object to Relobj*.
1771         * output.h: (class Output_data_reloc_generic): Add pure virtual
1772         declarations for add_global_generic, add_local_generic,
1773         add_output_section_generic.
1774         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1775         functions for Output_data_reloc_generic.  Update declarations for
1776         changes listed in output.cc.
1777         (class Output_data_got): Change template parameter to got_size.
1778         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1779         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1780         function.
1781         (Sized_relobj_incr::do_local_plt_offset): New function.
1782         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1783         add_global_generic.
1784
1785 2011-12-17  Cary Coutant  <ccoutant@google.com>
1786
1787         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1788         * resolve.cc (Symbol_table::resolve): Likewise.
1789         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1790         arrays.
1791         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1792
1793 2011-12-16  Ian Lance Taylor  <iant@google.com>
1794
1795         * output.h (Output_data_reloc_generic::add): Only call
1796         add_dynamic_reloc if this is a dynamic reloc section.
1797
1798 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1799
1800         PR gold/13505
1801         * target-reloc.h (apply_relocation): Replace <64, false> with
1802         <size, big_endian>.
1803
1804 2011-11-25  Nick Clifton  <nickc@redhat.com>
1805
1806         * po/it.po: New Italian translation.
1807
1808 2011-11-17  Sterling Augustine  <saugustine@google.com>
1809
1810         * script.cc (script_include_directive): Implement.
1811         (read_script_file): New local variables name and search_path. Update
1812         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1813         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1814         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1815
1816 2011-11-11  Sterling Augustine  <saugustine@google.com>
1817
1818         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1819         (file_or_sections_cmd): Likewise.
1820
1821 2011-11-11  Doug Kwan  <dougkwan@google.com>
1822
1823         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1824         if --just-symbols is given.
1825
1826 2011-11-10  Doug Kwan  <dougkwan@google.com>
1827
1828         PR gold/13362
1829         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1830         when processing data relocs.
1831         * reloc.h (Relocate_functions::rel_unaligned): New method.
1832         (Relocate_functions::pcrel_unaligned): Ditto.
1833         (Relocate_functions::rel32_unaligned): Ditto.
1834         (Relocate_functions::pcrel32_unaligned): Ditto.
1835
1836 2011-11-09  Doug Kwan  <dougkwan@google.com>
1837
1838         PR gold/13362
1839         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1840         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1841         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1842         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1843         (Relocate_functions::rel_unaligned): New.
1844         (Relocate_functions::rel32_unaligned): New.
1845         * target-reloc.h (relocate_for_relocatable): Add code to handle
1846         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1847         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1848         arm_unaligned_reloc_r): New targets.
1849         * testsuite/Makefile.in: Regenerate.
1850         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1851         linking.
1852
1853 2011-11-02  Ian Lance Taylor  <iant@google.com>
1854
1855         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1856         NATIVE_LINKER.
1857         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1858         * options.cc (General_options::finalize): Use library search path
1859         from configure script if specified.  If not native and no sysroot,
1860         only search TOOLLIBDIR.
1861         * options.h (Search_directory::Search_directory): Change name to
1862         const std::string&.
1863         (General_options::add_to_library_path_with_sysroot): Change arg to
1864         const std::string&.
1865         * configure, Makefile.in, config.in: Rebuild.
1866
1867 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1868
1869         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1870         we are working around the ARM1176 Erratum.
1871         * options.h (General_options::fix_arm1176): Add option.
1872         * testsuite/Makefile.am: Add testcases, and keep current ones
1873         working.
1874         * testsuite/Makefile.in: Regenerate.
1875         * testsuite/arm_fix_1176.s: New file.
1876         * testsuite/arm_fix_1176.sh: Likewise.
1877
1878 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1879
1880         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1881         may_use_blx_.
1882         (Target_arm::may_use_blx): Remove method.
1883         (Target_arm::set_may_use_blx): Likewise.
1884         (Target_arm::may_use_v4t_interworking): New method.
1885         (Target_arm::may_use_v5t_interworking): Likewise.
1886         (Target_arm::may_use_blx_): Remove member variable.
1887         (Arm_relocate_functions::arm_branch_common): Check for v5T
1888         interworking.
1889         (Arm_relocate_functions::thumb_branch_common): Likewise.
1890         (Reloc_stub::stub_type_for_reloc): Likewise.
1891         (Target_arm::do_finalize_sections): Correct interworking checks.
1892         * testsuite/Makefile.am: Add new tests.
1893         * testsuite/Makefile.in: Regenerate.
1894         * testsuite/arm_farcall_arm_arm.s: New test.
1895         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1896         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1897         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1898         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1899         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1900         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1901         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1902
1903 2011-10-31  Cary Coutant  <ccoutant@google.com>
1904
1905         PR gold/13023
1906         * expression.cc (Expression::eval_with_dot): Add
1907         is_section_dot_assignment parameter.
1908         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1909         absolute and assigning to dot within a section.
1910         * script-sections.cc
1911         (Output_section_element_assignment::set_section_addresses): Pass
1912         dot_section to set_if_absolute.
1913         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1914         as is_section_dot_assignment flag to eval_with_dot.
1915         (Output_section_element_dot_assignment::set_section_addresses):
1916         Likewise.
1917         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1918         parameter.  Also set value if relative to dot_section; set the
1919         symbol's output_section.
1920         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1921         parameter.  Adjust all callers.
1922         (Expression::eval_maybe_dot): Likewise.
1923         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1924         Adjust all callers.
1925         * testsuite/script_test_2.t: Test assignment of an absolute value
1926         to dot within an output section element.
1927
1928 2011-10-31  Cary Coutant  <ccoutant@google.com>
1929
1930         * options.h (class General_options): Add --[no-]gnu-unique options.
1931         * symtab.cc (Symbol_table::sized_write_globals): Convert
1932         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1933
1934 2011-10-31  Cary Coutant  <ccoutant@google.com>
1935
1936         PR gold/13359
1937         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1938         unnecessary assertion.
1939         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1940
1941 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1942
1943         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1944         gc_mark_symbol.
1945         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1946         gc_mark_symbol.
1947         Change to just keep the section associated with symbol.
1948         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1949         they are externally visible and --export-dynamic is turned on.
1950         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1951
1952 2011-10-19  Ian Lance Taylor  <iant@google.com>
1953
1954         PR gold/13163
1955         * script-sections.cc
1956         (Output_section_element_dot_assignment::needs_output_section): New
1957         function.
1958
1959 2011-10-19  Ian Lance Taylor  <iant@google.com>
1960
1961         PR gold/13204
1962         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1963         --section-start option was seen.
1964         * options.h (General_options::any_section_start): New function.
1965
1966 2011-10-18  David S. Miller  <davem@davemloft.net>
1967
1968         PR binutils/13301
1969         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1970         member to track relocation locations that have moved during TLS
1971         reloc optimizations.
1972         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1973         (Target_sparc::Relocate::relocate): Adjust view down by 4
1974         bytes if it matches reloc_adjust_addr_.
1975         (Target_sparc::Relocate::relocate_tls): Always move the
1976         __tls_get_addr call delay slot instruction forward 4 bytes when
1977         performing relaxation.
1978
1979 2011-10-18  Cary Coutant  <ccoutant@google.com>
1980
1981         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1982         (Output_file::map_no_anonymous): Check for non-zero
1983         return code from posix_fallocate.
1984
1985 2011-10-17  Cary Coutant  <ccoutant@google.com>
1986
1987         PR gold/13245
1988         * plugin.cc (is_visible_from_outside): Check for symbols
1989         referenced from dynamic objects.
1990         * resolve.cc (Symbol_table::resolve): Don't count references
1991         from dynamic objects as references from real ELF files.
1992         * testsuite/plugin_test_2.sh: Adjust expected result.
1993
1994 2011-10-17  Cary Coutant  <ccoutant@google.com>
1995
1996         * gold.cc: Include timer.h.
1997         (queue_middle_tasks): Stamp time.
1998         (queue_final_tasks): Likewise.
1999         * main.cc (main): Store timer in parameters.  Print timers
2000         for each pass.
2001         * parameters.cc (Parameters::Parameters): Initialize timer_.
2002         (Parameters::set_timer): New function.
2003         (set_parameters_timer): New function.
2004         * parameters.h (Parameters::set_timer): New function.
2005         (Parameters::timer): New function.
2006         (Parameters::timer_): New data member.
2007         (set_parameters_timer): New function.
2008         * timer.cc (Timer::stamp): New function.
2009         (Timer::get_pass_time): New function.
2010         * timer.h (Timer::stamp): New function.
2011         (Timer::get_pass_time): New function.
2012         (Timer::pass_times_): New data member.
2013
2014 2011-10-17  Cary Coutant  <ccoutant@google.com>
2015
2016         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2017         task for members of lib groups.
2018
2019 2011-10-17  Cary Coutant  <ccoutant@google.com>
2020
2021         PR gold/13288
2022         * fileread.cc (File_read::find_view): Add assert.
2023         (File_read::make_view): Move bounds check (replace with assert)...
2024         (File_read::find_or_make_view): ... to here.
2025
2026 2011-10-12  Cary Coutant  <ccoutant@google.com>
2027
2028         * output.cc (Output_file::open_base_file): Handle case where
2029         ::read returns less than requested size.
2030
2031 2011-10-10  Cary Coutant  <ccoutant@google.com>
2032
2033         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2034         Initialize defined_count_.
2035         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2036         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2037         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2038         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2039         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2040         * incremental.h (Sized_relobj_incr::defined_count_): New data
2041         member.
2042         (Sized_incr_dynobj::defined_count_): New data member.
2043         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2044         Return zeroes instead of internal error.
2045
2046 2011-10-10  Cary Coutant  <ccoutant@google.com>
2047
2048         PR gold/13249
2049         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2050         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2051         * output.h (class Output_reloc): Add use_plt_offset flag.
2052         (Output_reloc::type_): Adjust size of bit field.
2053         (Output_reloc::use_plt_offset_): New bit field.
2054         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2055         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2056         flag.  Adjust all callers.
2057         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2058         creating RELATIVE relocations.
2059
2060 2011-10-10  Nick Clifton  <nickc@redhat.com>
2061
2062         * po/es.po: Updated Spanish translation.
2063         * po/fi.po: Updated Finnish translation.
2064
2065 2011-10-03   Diego Novillo  <dnovillo@google.com>
2066
2067         * options.cc (parse_uint): Fix dereference of RETVAL.
2068
2069 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2070
2071         * layout.h (section_order_map_): New member.
2072         (get_section_order_map): New member function.
2073         * output.cc (Output_section::add_input_section): Check for patterns
2074         only when --section-ordering-file is specified.
2075         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2076         output_sections have been formed.
2077         * layout.cc (Layout_Layout): Initialize section_order_map_.
2078         * plugin.cc (update_section_order): Store order in order_map. Do not
2079         update the order.
2080         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2081         * testsuite/Makefile.in: Regenerate.
2082         * testsuite/plugin_section_order.c: New file.
2083         * testsuite/plugin_final_layout.cc: New file.
2084         * testsuite/plugin_final_layout.sh: New file.
2085
2086 2011-09-29  Cary Coutant  <ccoutant@google.com>
2087
2088         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2089         Check for NULL.
2090         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2091         symbols during incremental update.
2092         (Symbol_table::add_from_dynobj): Likewise.
2093
2094 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2095             Ian Lance Taylor  <iant@google.com>
2096
2097         * symtab.cc (Symbol_table::define_special_symbol): Always
2098         canonicalize version string.
2099
2100 2011-09-26  Cary Coutant  <ccoutant@google.com>
2101
2102         * gold.cc (queue_initial_tasks): Move option checks ...
2103         * options.cc (General_options::finalize): ... to here. Disable
2104         some options; make others fatal.
2105
2106 2011-09-26  Cary Coutant  <ccoutant@google.com>
2107
2108         gcc PR lto/47247
2109         * plugin.cc (get_symbols_v2): New function.
2110         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2111         (is_referenced_from_outside): New function.
2112         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2113         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2114         (get_symbols): Pass version parameter.
2115         (get_symbols_v2): New function.
2116         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2117         parameter.
2118         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2119         (onload): Add LDPT_GET_SYMBOLS_V2.
2120         (all_symbols_read_hook): Use get_symbols_v2; check for
2121         LDPR_PREVAILING_DEF_IRONLY_EXP.
2122         * testsuite/plugin_test_3.sh: Update expected results.
2123
2124 2011-09-23  Simon Baldwin  <simonb@google.com>
2125
2126         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2127         configuration options.
2128         * configure: Regenerate.
2129         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2130         * Makefile.in: Regenerate.
2131         * testsuite/Makefile.in: Regenerate.
2132
2133 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2134
2135         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2136
2137 2011-09-19  Cary Coutant  <ccoutant@google.com>
2138
2139         * incremental.cc (can_incremental_update): Fix typo in comment.
2140         * incremental.h (can_incremental_update): Likewise.
2141
2142 2011-09-18  Cary Coutant  <ccoutant@google.com>
2143
2144         * incremental.cc (can_incremental_update): New function.
2145         * incremental.h (can_incremental_update): New function.
2146         * layout.cc (Layout::init_fixed_output_section): Call it.
2147         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2148         * object.cc (Sized_relobj_file::do_layout): Call
2149         can_incremental_update.
2150
2151 2011-09-13  Cary Coutant  <ccoutant@google.com>
2152
2153         * configure.ac: Check for glibc support for gnu_indirect_function
2154         support with static linking, setting automake conditional
2155         IFUNC_STATIC.
2156         * Makefile.in: Regenerate.
2157         * configure: Regenerate.
2158
2159         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2160         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2161         for IFUNC_STATIC.
2162         * testsuite/Makefile.in: Regenerate.
2163
2164 2011-09-13  Cary Coutant  <ccoutant@google.com>
2165
2166         * incremental.cc (Sized_relobj_incr::do_layout): Call
2167         report_comdat_group for kept comdat sections.
2168         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2169         * testsuite/Makefile.in: Regenerate.
2170         * testsuite/incr_comdat_test_1.cc: New source file.
2171         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2172         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2173         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2174
2175 2011-09-13  Ian Lance Taylor  <iant@google.com>
2176
2177         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2178         variable external_symbols_offset.
2179
2180 2011-09-12  Ian Lance Taylor  <iant@google.com>
2181
2182         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2183         triggered if object has no symbols.
2184
2185 2011-09-09  David S. Miller  <davem@davemloft.net>
2186
2187         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2188         (Output_fill_debug_line::do_write): Likewise.
2189
2190 2011-08-29  Cary Coutant  <ccoutant@google.com>
2191
2192         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2193         casts to match formatting specs.
2194         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2195
2196 2011-08-26  Cary Coutant  <ccoutant@google.com>
2197
2198         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2199         remaining hole size when allocating.
2200         (Layout::make_output_section): Set fill methods for debug sections.
2201         * layout.h (Free_list::Free_list_node): Move from private to
2202         public.
2203         (Free_list::set_min_hole_size): New function.
2204         (Free_list::begin, Free_list::end): New functions.
2205         (Free_list::min_hole_): New data member.
2206         * output.cc: Include dwarf.h.
2207         (Output_fill_debug_info::do_minimum_hole_size): New function.
2208         (Output_fill_debug_info::do_write): New function.
2209         (Output_fill_debug_line::do_minimum_hole_size): New function.
2210         (Output_fill_debug_line::do_write): New function.
2211         (Output_section::Output_section): Initialize new data member.
2212         (Output_section::set_final_data_size): Ensure patch space is larger
2213         than minimum hole size.
2214         (Output_section::do_write): Fill holes in debug sections.
2215         * output.h (Output_fill): New class.
2216         (Output_fill_debug_info): New class.
2217         (Output_fill_debug_line): New class.
2218         (Output_section::set_free_space_fill): New function.
2219         (Output_section::free_space_fill_): New data member.
2220         * testsuite/Makefile.am (incremental_test_3): Add
2221         --incremental-patch option.
2222         (incremental_test_4): Likewise.
2223         (incremental_test_5): Likewise.
2224         (incremental_test_6): Likewise.
2225         (incremental_copy_test): Likewise.
2226         (incremental_common_test_1): Likewise.
2227         * testsuite/Makefile.in: Regenerate.
2228
2229 2011-08-26  Nick Clifton  <nickc@redhat.com>
2230
2231         * po/es.po: Updated Spanish translation.
2232
2233 2011-08-01  Cary Coutant  <ccoutant@google.com>
2234
2235         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2236         * gold/testsuite/Makefile.in: Regenerate.
2237         * gold/testsuite/justsyms_exec.c: New source file.
2238         * gold/testsuite/justsyms_lib.c: New source file.
2239
2240 2011-08-01  Cary Coutant  <ccoutant@google.com>
2241
2242         * layout.cc (Layout::set_segment_offsets): Don't realign text
2243         segment if -Ttext was specified.
2244         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2245         file type.
2246         * object.h (Sized_relobj_file::e_type): New function.
2247         (Sized_relobj_file::e_type_): New data member.
2248         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2249         base address for ET_EXEC files.
2250         * target.cc (Target::do_make_elf_object_implementation): Allow
2251         ET_EXEC files with --just-symbols option.
2252
2253 2011-07-28  Cary Coutant  <ccoutant@google.com>
2254
2255         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2256         Add thread_number parameter.
2257         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2258         * workqueue-threads.cc
2259         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2260         current thread if its thread number is greater than desired thread
2261         count.
2262         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2263         Add thread_number parameter.
2264         (Workqueue::should_cancel_thread): Likewise.
2265         (Workqueue::find_runnable_or_wait): Pass thread_number to
2266         should_cancel_thread.
2267         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2268         parameter.
2269
2270 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2271
2272         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2273         only after checking if it cannot be forced local.
2274         * symtab.h (is_externally_visible): Check if the symbol is not forced
2275         local.
2276
2277 2011-07-15  Ian Lance Taylor  <iant@google.com>
2278
2279         * options.h (class General_options): Add --print-output-format.
2280         Move -EL next to -EB, for  better --help output.
2281         * target-select.cc: Include <cstdio>, "options.h", and
2282         "parameters.h".
2283         (Target_selector::do_target_bfd_name): New function.
2284         (print_output_format): New function.
2285         * target-select.h (class Target_selector): Update declarations.
2286         (Target_selector::target_bfd_name): New function.
2287         (print_output_format): Declare.
2288         * main.cc: Include "target-select.h".
2289         (main): Handle --print-output-format.
2290         * gold.cc: Include "target-select.h".
2291         (queue_initial_tasks): Handle --print-output-format when there are
2292         no input files.
2293         * parameters.cc (parameters_force_valid_target): Give a better
2294         error message if -EB/-EL does not match target.
2295         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2296         function.
2297
2298 2011-07-15  Ian Lance Taylor  <iant@google.com>
2299
2300         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2301         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2302         (Output_data_plt_i386::do_write): Write address of .dynamic
2303         section to first entry in .got.plt section.
2304         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2305         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2306         Initialize layout_.
2307         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2308         section to first entry in .got.plt section.
2309         * layout.h (Layout::dynamic_section): New function.
2310
2311 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2312
2313         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2314         to claim_file call.
2315         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2316         input_section_position_, and input_section_glob_.
2317         (read_layout_from_file): Call function section_ordering_specified.
2318         * layout.h (is_section_ordering_specified): New function.
2319         (section_ordering_specified): New function.
2320         (section_ordering_specified_): New boolean member.
2321         * main.cc(main): Call load_plugins after layout object is defined.
2322         * output.cc (Output_section::add_input_section): Use
2323         function section_ordering_specified to check if section ordering is
2324         needed.
2325         * output.cc (Output_section::add_relaxed_input_section): Use
2326         function section_ordering_specified to check if section ordering is
2327         needed.
2328         (Output_section::update_section_layout): New function.
2329         (Output_section::sort_attached_input_sections): Check if input section
2330         must be reordered.
2331         * output.h (Output_section::update_section_layout): New function.
2332         * plugin.cc (get_section_count): New function.
2333         (get_section_type): New function.
2334         (get_section_name): New function.
2335         (get_section_contents): New function.
2336         (update_section_order): New function.
2337         (allow_section_ordering): New function.
2338         (Plugin::load): Add the new interfaces to the transfer vector.
2339         (Plugin_manager::load_plugins): New parameter.
2340         (Plugin_manager::all_symbols_read): New parameter.
2341         (Plugin_manager::claim_file): New parameter. Save the elf object for
2342         unclaimed objects.
2343         (Plugin_manager::get_elf_object): New function.
2344         (Plugin_manager::get_view): Change to directly use the bool to check
2345         if get_view is called from claim_file_hook.
2346         * plugin.h (input_objects): New function
2347         (Plugin__manager::load_plugins): New parameter.
2348         (Plugin_manager::claim_file): New parameter.
2349         (Plugin_manager::get_elf_object): New function.
2350         (Plugin_manager::in_claim_file_handler): New function.
2351         (Plugin_manager::in_claim_file_handler_): New member.
2352         (layout): New function.
2353         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2354         handler with an extra parameter. Make the elf object before calling
2355         claim_file handler.
2356         * testsuite/plugin_test.c (get_section_count): New function pointer.
2357         (get_section_type): New function pointer.
2358         (get_section_name): New function pointer.
2359         (get_section_contents): New function pointer.
2360         (update_section_order): New function pointer.
2361         (allow_section_ordering): New function pointer.
2362         (onload): Check if the new interfaces exist.
2363
2364 2011-07-13  Ian Lance Taylor  <iant@google.com>
2365
2366         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2367         relro section.
2368         * x86_64.cc (Target_x86_64::got_section): Likewise.
2369         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2370         (relro_now_test_SOURCES): New variable.
2371         (relro_now_test_DEPENDENCIES): New variable.
2372         (relro_now_test_LDFLAGS): New variable.
2373         (relro_now_test_LDADD): New variable.
2374         (relro_now_test.so): New target.
2375         * testsuite/Makefile.in: Rebuild.
2376
2377 2011-07-12  Ian Lance Taylor  <iant@google.com>
2378
2379         PR gold/12980
2380         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2381         GLOB_DAT relocation rather than a RELATIVE relocation for a
2382         protected symbol when creating a shared library.
2383         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2384         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2385         * testsuite/protected_main_1.cc (main): Test that protected
2386         function has same address.
2387
2388 2011-07-11  Ian Lance Taylor  <iant@google.com>
2389
2390         PR gold/12979
2391         * options.h (class General_options): Add -Bgroup.
2392         * options.cc (General_options::finalize): If -Bgroup is set,
2393         default to --unresolved-symbols=report-all.
2394         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2395         * target-reloc.h (issue_undefined_symbol_error): Handle
2396         --unresolved-symbols=report-all.
2397
2398 2011-07-08  Ian Lance Taylor  <iant@google.com>
2399
2400         PR gold/11985
2401         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2402         if linker script discards key sections.
2403         (Layout::create_dynamic_symtab): Likewise.
2404         (Layout::assign_local_dynsym_offsets): Likewise.
2405         (Layout::sized_create_version_sections): Likewise.
2406         (Layout::create_interp): Likewise.
2407         (Layout::finish_dynamic_section): Likewise.
2408         (Layout::set_dynamic_symbol_size): Likewise.
2409
2410 2011-07-08  Ian Lance Taylor  <iant@google.com>
2411
2412         PR gold/12386
2413         * options.h (class General_options): Add --unresolved-symbols.
2414         * target-reloc.h (issue_undefined_symbol_error): Check
2415         --unresolved-symbols.  Add comments.
2416
2417 2011-07-08  Ian Lance Taylor  <iant@google.com>
2418
2419         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2420         expression more complex.
2421
2422 2011-07-08  Ian Lance Taylor  <iant@google.com>
2423
2424         PR gold/11317
2425         * target-reloc.h (issue_undefined_symbol_error): New inline
2426         function, broken out of relocate_section.
2427         (relocate_section): Call issue_undefined_symbol_error.
2428         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2429         there is no TLS segment if we are about to issue an undefined
2430         symbol error.
2431         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2432
2433 2011-07-08  Ian Lance Taylor  <iant@google.com>
2434
2435         PR gold/12279
2436         * resolve.cc (Symbol_table::should_override): Add fromtype
2437         parameter.  Change all callers.  Give error when linking together
2438         TLS and non-TLS symbol.
2439         (Symbol_table::should_override_with_special): Add fromtype
2440         parameter.  Change all callers.
2441         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2442         there is no TLS segment if we have reported some errors.
2443         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2444
2445 2011-07-08  Ian Lance Taylor  <iant@google.com>
2446
2447         PR gold/12372
2448         * target.h (Target::plt_address_for_global): New function.
2449         (Target::plt_address_for_local): New function.
2450         (Target::plt_section_for_global): Remove.
2451         (Target::plt_section_for_local): Remove.
2452         (Target::do_plt_address_for_global): New virtual function.
2453         (Target::do_plt_address_for_local): New virtual function.
2454         (Target::do_plt_section_for_global): Remove.
2455         (Target::do_plt_section_for_local): Remove.
2456         (Target::register_global_plt_entry): Add Symbol_table and Layout
2457         parameters.
2458         * output.cc (Output_data_got::Got_entry::write): Use
2459         plt_address_for_global and plt_address_for_local.
2460         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2461         address of output section.
2462         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2463         got_irelative_, and irelative_count_ fields.  Update
2464         declarations.
2465         (Output_data_plt_i386::has_irelative_section): New function.
2466         (Output_data_plt_i386::entry_count): Add irelative_count_.
2467         (Output_data_plt_i386::set_final_data_size): Likewise.
2468         (class Target_i386): Add got_irelative_ and rel_irelative_
2469         fields.  Update declarations.
2470         (Target_i386::Target_i386): Initialize new fields.
2471         (Target_i386::do_plt_address_for_global): New function replacing
2472         do_plt_section_for_global.
2473         (Target_i386::do_plt_address_for_local): New function replacing
2474         do_plt_section_for_local.
2475         (Target_i386::got_section): Create got_irelative_.
2476         (Target_i386::rel_irelative_section): New function.
2477         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2478         fields.  Don't define __rel_iplt_{start,end}.
2479         (Output_data_plt_i386::add_entry): Add symtab and layout
2480         parameters.  Change all callers.  Use different PLT and GOT for
2481         IFUNC symbols.
2482         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2483         layout parameters.  Change all callers.  Use different PLT and
2484         GOT.
2485         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2486         (Output_data_plt_i386::rel_irelative): New function.
2487         (Output_data_plt_i386::address_for_global): New function.
2488         (Output_data_plt_i386::address_for_local): New function.
2489         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2490         IRELATIVE GOT when changing IFUNC GOT entries.
2491         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2492         reloc.
2493         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2494         if we didn't create an IRELATIVE GOT.
2495         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2496         plt_address_for_local.
2497         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2498         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2499         got_irelative_, and irelative_count_ fields.  Update
2500         declarations.
2501         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2502         Initialize new fields.  Remove symtab parameter.  Change all
2503         callers.
2504         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2505         irelative_count_.
2506         (Output_data_plt_x86_64::has_irelative_section): New function.
2507         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2508         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2509         fields.  Update declarations.
2510         (Target_x86_64::Target_x86_64): Initialize new fields.
2511         (Target_x86_64::do_plt_address_for_global): New function replacing
2512         do_plt_section_for_global.
2513         (Target_x86_64::do_plt_address_for_local): New function replacing
2514         do_plt_section_for_local.
2515         (Target_x86_64::got_section): Create got_irelative_.
2516         (Target_x86_64::rela_irelative_section): New function.
2517         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2518         all callers.  Don't create __rel_iplt_{start,end}.
2519         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2520         parameters.  Change all callers.  Use different PLT and GOT for
2521         IFUNC symbols.
2522         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2523         layout parameters.  Change all callers.  Use different PLT and
2524         GOT.
2525         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2526         parameters.  Change all callers.  Use different PLT and GOT for
2527         IFUNC symbols.
2528         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2529         (Output_data_plt_x86_64::rela_irelative): New function.
2530         (Output_data_plt_x86_64::address_for_global): New function.
2531         (Output_data_plt_x86_64::address_for_local): New function.
2532         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2533         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2534         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2535         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2536         parameters.
2537         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2538         reloc.
2539         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2540         symbols if we didn't create an IRELATIVE GOT.
2541         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2542         plt_address_for_local.
2543         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2544         * testsuite/ifuncvar1.c: New test file.
2545         * testsuite/ifuncvar2.c: New test file.
2546         * testsuite/ifuncvar3.c: New test file.
2547         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2548         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2549         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2550         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2551         * testsuite/Makefile.in: Rebuild.
2552
2553 2011-07-07  Cary Coutant  <ccoutant@google.com>
2554
2555         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2556         (two_file_test_1_ndebug.o): Likewise.
2557         (two_file_test_1b_ndebug.o): Likewise.
2558         (two_file_test_2_ndebug.o): Likewise.
2559         (two_file_test_main_ndebug.o): Likewise.
2560         (incremental_test_2): Link with no-debug versions.
2561
2562 2011-07-06  Cary Coutant  <ccoutant@google.com>
2563
2564         * gold/incremental.cc
2565         (Output_section_incremental_inputs::write_info_blocks): Check for
2566         hidden and internal symbols.
2567
2568 2011-07-06  Cary Coutant  <ccoutant@google.com>
2569
2570         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2571         Check disposition for startup file.
2572         (Incremental_inputs::report_command_line): Ignore
2573         --incremental-startup-unchanged option.
2574         * options.cc (General_options::parse_incremental_startup_unchanged):
2575         New function.
2576         (General_options::General_options): Initialize new data member.
2577         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2578         (General_options): Add --incremental-startup-unchanged option.
2579         (General_options::incremental_startup_disposition): New function.
2580         (General_options::incremental_startup_disposition_): New data member.
2581
2582 2011-07-06  Cary Coutant  <ccoutant@google.com>
2583
2584         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2585         input file index to Script_info ctor.
2586         (Sized_incremental_binary::do_file_has_changed): Find the
2587         command-line argument for files named in scripts.
2588         * incremental.h (Script_info::Script_info): New ctor
2589         with input file index.
2590         (Script_info::input_file_index): New function.
2591         (Script_info::input_file_index_): New data member.
2592         (Incremental_binary::get_library): Add const.
2593         (Incremental_binary::get_script_info): Add const.
2594         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2595         * testsuite/Makefile.am (incremental_test_5): New test case.
2596         (incremental_test_6): New test case.
2597         * testsuite/Makefile.in: Regenerate.
2598
2599 2011-07-06  Cary Coutant  <ccoutant@google.com>
2600
2601         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2602         debug output when command lines differ.
2603
2604 2011-07-06  Cary Coutant  <ccoutant@google.com>
2605
2606         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2607         --incremental-patch option.
2608         * layout.cc (Free_list::allocate): Extend allocation beyond original
2609         end if enabled.
2610         (Layout::make_output_section): Mark sections that should get
2611         patch space.
2612         * options.cc (parse_percent): New function.
2613         * options.h (parse_percent): New function.
2614         (DEFINE_percent): New macro.
2615         (General_options): Add --incremental-patch option.
2616         * output.cc (Output_section::Output_section): Initialize new data
2617         members.
2618         (Output_section::add_input_section): Print section name when out
2619         of patch space.
2620         (Output_section::add_output_section_data): Likewise.
2621         (Output_section::set_final_data_size): Add patch space when
2622         doing --incremental-full.
2623         (Output_section::do_reset_address_and_file_offset): Remove patch
2624         space.
2625         (Output_segment::set_section_list_addresses): Print debug output
2626         only if --incremental-update.
2627         * output.h (Output_section::set_is_patch_space_allowed): New function.
2628         (Output_section::is_patch_space_allowed_): New data member.
2629         (Output_section::patch_space_): New data member.
2630         * parameters.cc (Parameters::incremental_full): New function.
2631         * parameters.h (Parameters::incremental_full): New function
2632         * testsuite/Makefile.am (incremental_test_2): Add test for
2633         --incremental-patch option.
2634         * testsuite/Makefile.in: Regenerate.
2635         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2636         (t18): Remove function body.
2637
2638 2011-07-05  Doug Kwan  <dougkwan@google.com>
2639
2640         PR gold/12771
2641         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2642         Arm_Address type for relocation result.
2643         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2644         overflow check.
2645         (Arm_relocate_functions::abs32): Use unaligned access.
2646         (Arm_relocate_functions::rel32): Ditto.
2647         (Arm_relocate_functions::prel31): Ditto.
2648         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2649         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2650         static data relocations.
2651         * testsuite/Makefile.in: Regnerate.
2652         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2653
2654 2011-07-05  Ian Lance Taylor  <iant@google.com>
2655
2656         PR gold/12392
2657         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2658         symbols if necessary.
2659         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2660
2661 2011-07-05  Ian Lance Taylor  <iant@google.com>
2662
2663         PR gold/12952
2664         * resolve.cc (Symbol::override_base_with_special): Simply override
2665         version with special symbol version, ignoring previous version.
2666
2667 2011-07-05  Ian Lance Taylor  <iant@google.com>
2668
2669         * object.cc (Sized_relobj_file::include_section_group): Add
2670         information to comment about signature location.
2671
2672 2011-07-02  Ian Lance Taylor  <iant@google.com>
2673
2674         PR gold/12957
2675         * options.h (class General_options): Add -f and -F.
2676         * options.cc (General_options::finalize): Fatal error if -f/-F
2677         are used without -shared.
2678         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2679
2680 2011-07-02  Ian Lance Taylor  <iant@google.com>
2681
2682         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2683
2684 2011-07-01  Ian Lance Taylor  <iant@google.com>
2685
2686         PR gold/12525
2687         PR gold/12952
2688         * resolve.cc (Symbol::override_base_with_special): Don't override
2689         the version if the overriding symbol has a different name.
2690         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2691         all callers.  If we give an error about an undefined version,
2692         define the base version if necessary.
2693         * dynobj.h (class Versions): Update declaration.
2694         * testsuite/weak_alias_test_5.cc: New file.
2695         * testsuite/weak_alias_test.script: New file.
2696         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2697         and versioned_alias have the right value, and call t2.
2698         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2699         weak_alias_test_5.so.
2700         (weak_alias_test_LDADD): Likewise.
2701         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2702         * testsuite/Makefile.in: Rebuild.
2703
2704 2011-07-01  Ian Lance Taylor  <iant@google.com>
2705
2706         PR gold/12525
2707         * options.h (class General_options): Support -z notext.
2708         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2709         -Wl,-z,notext.
2710         (two_file_shared_nonpic.so): Likewise.
2711         (two_file_shared_mixed.so): Likewise.
2712         (two_file_shared_mixed_1.so): Likewise.
2713         (weak_undef_lib_nonpic.so): Likewise.
2714         (alt/weak_undef_lib_nonpic.so): Likewise.
2715         (tls_test_shared_nonpic.so): Likewise.
2716         * testsuite/Makefile.in: Rebuild.
2717
2718 2011-07-01  Ian Lance Taylor  <iant@google.com>
2719
2720         PR gold/12525
2721         * configure.ac: Test whether static linking works, setting
2722         the automake conditional HAVE_STATIC.
2723         * testsuite/Makefile.am: Disable tests using -static if
2724         HAVE_STATIC is not true.
2725         * configure, testsuite/Makefile.in: Rebuild.
2726
2727 2011-07-01  Ian Lance Taylor  <iant@google.com>
2728
2729         PR gold/12525
2730         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2731         Assert if we see DW_EH_PE_indirect.
2732         * target.h (Target::ehframe_datarel_base): New function.
2733         (Target::do_ehframe_datarel_base): New target function.
2734         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2735         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2736         function.
2737
2738 2011-07-01  Ian Lance Taylor  <iant@google.com>
2739
2740         PR gold/12571
2741         * options.h (class General_options): Add
2742         --ld-generated-unwind-info.
2743         * ehframe.cc (Fde::write): Add address parameter.  Change all
2744         callers.  If associated with PLT, fill in address and size.
2745         (Cie::set_output_offset): Only add merge mapping if there is an
2746         object.
2747         (Cie::write): Add address parameter.  Change all callers.
2748         (Eh_frame::add_ehframe_for_plt): New function.
2749         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2750         input_offset_ fields into union u_, with new plt field.
2751         (Fde::Fde): Adjust for new union field.
2752         (Fde::Fde) [Output_data version]: New constructor.
2753         (Fde::add_mapping): Only add merge mapping if there is an object.
2754         (class Cie): Update declarations.
2755         (class Eh_frame): Declare add_ehframe_for_plt.
2756         * layout.cc (Layout::layout_eh_frame): Break out code into
2757         make_eh_frame_section, and call it.
2758         (Layout::make_eh_frame_section): New function.
2759         (Layout::add_eh_frame_for_plt): New function.
2760         * layout.h (class Layout): Update declarations.
2761         * merge.cc (Merge_map::add_mapping): Add assertion.
2762         * i386.cc: Include "dwarf.h".
2763         (class Output_data_plt_i386): Make first_plt_entry,
2764         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2765         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2766         and plt_eh_frame_fde.
2767         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2768         boundary.  Call add_eh_frame_for_plt if appropriate.
2769         * x86_64.cc: Include "dwarf.h".
2770         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2771         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2772         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2773         and plt_eh_frame_fde.
2774         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2775         appropriate.
2776
2777 2011-06-29  Ian Lance Taylor  <iant@google.com>
2778
2779         PR gold/12629
2780         * object.cc (Sized_relobj_file::layout_section): Change shdr
2781         parameter to be const.
2782         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2783         out of do_layout.
2784         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2785         appropriate.  Call layout_eh_frame_section.
2786         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2787         sections.
2788         * object.h (class Sized_relobj_file): Update declarations.
2789
2790 2011-06-29  Ian Lance Taylor  <iant@google.com>
2791
2792         PR gold/12652
2793         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2794         modifier.
2795         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2796
2797 2011-06-29  Ian Lance Taylor  <iant@google.com>
2798
2799         PR gold/12675
2800         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2801         SHT_X86_64_UNWIND.
2802         * layout.cc (Layout::layout_eh_frame): Likewise.
2803
2804 2011-06-29  Ian Lance Taylor  <iant@google.com>
2805
2806         PR gold/12695
2807         * layout.cc (Layout::symtab_section_shndx): New function.
2808         * layout.h (class Layout): Declare symtab_section_shndx.
2809         * output.cc (Output_section::write_header): Call it.
2810
2811 2011-06-29  Ian Lance Taylor  <iant@google.com>
2812
2813         PR gold/12818
2814         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2815         symbols which are not used in a relocation.
2816
2817 2011-06-28  Ian Lance Taylor  <iant@google.com>
2818
2819         PR gold/12898
2820         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2821         script create indistinguishable segments.
2822         (Layout::set_segment_offsets): Use stable_sort when sorting
2823         segments.  Pass this to Compare_segments constructor.
2824         * layout.h (class Layout): Make segment_precedes non-static.
2825         (class Compare_segments): Change from struct to class.  Add
2826         layout_ field.  Add constructor.
2827         * script-sections.cc
2828         (Script_sections::attach_sections_using_phdrs_clause): Rename
2829         local orphan to is_orphan.  Don't report failure to put empty
2830         section in segment.  On attachment failure, report name of
2831         section, and attach to first PT_LOAD segment.
2832
2833 2011-06-28  Ian Lance Taylor  <iant@google.com>
2834
2835         PR gold/12934
2836         * target-select.cc (Target_selector::Target_selector): Add
2837         emulation parameter.  Change all callers.
2838         (select_target_by_bfd_name): Rename from select_target_by_name.
2839         Change all callers.
2840         (select_target_by_emulation): New function.
2841         (supported_emulation_names): New function.
2842         * target-select.h (class Target_selector): Add emulation_ field.
2843         Update declarations.
2844         (Target_selector::recognize_by_bfd_name): Rename from
2845         recognize_by_name.  Change all callers.
2846         (Target_selector::supported_bfd_names): Rename from
2847         supported_names.  Change all callers.
2848         (Target_selector::recognize_by_emulation): New function.
2849         (Target_selector::supported_emulations): New function.
2850         (Target_selector::emulation): New function.
2851         (Target_selector::do_recognize_by_bfd_name): Rename from
2852         do_recognize_by_name.  Change all callers.
2853         (Target_selector::do_supported_bfd_names): Rename from
2854         do_supported_names.  Change all callers.
2855         (Target_selector::do_recognize_by_emulation): New function.
2856         (Target_selector::do_supported_emulations): New function.
2857         (select_target_by_bfd_name): Change name in declaration.
2858         (select_target_by_emulation): Declare.
2859         (supported_emulation_names): Declare.
2860         * parameters.cc (parameters_force_valid_target): Try to find
2861         target based on emulation from -m option.
2862         * options.h (class General_options): Change doc string for -m.
2863         * options.cc (help): Print emulations.
2864         (General_options::parse_V): Likewise.
2865         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2866         Add emulation parameter.  Change all callers.
2867
2868 2011-06-28  Ian Lance Taylor  <iant@google.com>
2869
2870         * target.h (class Target): Add osabi_ field.
2871         (Target::osabi): New function.
2872         (Target::set_osabi): New function.
2873         (Target::Target): Initialize osabi_.
2874         (Target::do_adjust_elf_header): Make pure virtual.
2875         (Sized_target::do_adjust_elf_header): Declare.
2876         * target.cc (Sized_target::do_adjust_elf_header): New function.
2877         (class Sized_target): Instantiate all versions.
2878         * freebsd.h (class Target_freebsd): Remove.
2879         (Target_selector_freebsd::do_recognize): Call set_osabi on
2880         Target.
2881         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2882         (Target_selector_freebsd::set_osabi): Remove.
2883         * i386.cc (class Target_i386): Inherit from Sized_target rather
2884         than Target_freebsd.
2885         * x86_64.cc (class Target_x86_64): Likewise.
2886
2887 2011-06-28  Ian Lance Taylor  <iant@google.com>
2888
2889         * target.h (Target::can_check_for_function_pointers): Rewrite.
2890         Make non-virtual.
2891         (Target::can_icf_inline_merge_sections): Likewise.
2892         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2893         (Target::Target_info): Add can_icf_inline_merge_sections field.
2894         (Target::do_can_check_for_function_pointers): New virtual
2895         function.
2896         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2897         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2898         from can_check_for_function_pointers, move in file.
2899         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2900         section_may_have_icf_unsafe_poineters, move in file.
2901         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2902         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2903         Rename from can_check_for_function_pointers, move in file.
2904         (Target_i386::can_icf_inline_merge_sections): Remove.
2905         (Target_i386::i386_info): Initialize
2906         can_icf_inline_merge_sections.
2907         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2908         Initialize can_icf_inline_merge_sections.
2909         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2910         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2911         Rename from can_check_for_function_pointers, move in file.
2912         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2913         (Target_x86_64::x86_64_info): Initialize
2914         can_icf_inline_merge_sections.
2915         * testsuite/testfile.cc (Target_test::test_target_info):
2916         Likewise.
2917         * icf.cc (get_section_contents): Correct formatting.
2918
2919 2011-06-27  Ian Lance Taylor  <iant@google.com>
2920
2921         * symtab.cc (Symbol::versioned_name): New function.
2922         (Symbol_table::add_to_final_symtab): Use versioned_name when
2923         appropriate.
2924         (Symbol_table::sized_write_symbol): Likewise.
2925         * symtab.h (class Symbol): Declare versioned_name.
2926         * stringpool.h (class Stringpool_template): Add variant of add
2927         which takes a std::basic_string.
2928         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2929         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2930         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2931         (ver_test_12.o): New target.
2932         * testsuite/Makefile.in: Rebuild.
2933
2934 2011-06-27  Doug Kwan  <dougkwan@google.com>
2935
2936         * arm.cc (Arm_relocate_functions::thm_jump8,
2937         Arm_relocate_functions::thm_jump11): Use a wider signed
2938         type to compute offset.
2939         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2940         arm_thm_jump8.
2941         * testsuite/Makefile.in: Regenerate.
2942         * testsuite/arm_branch_in_range.sh: Check test results of
2943         arm_thm_jump11 and arm_thm_jump8.
2944         * testsuite/arm_thm_jump11.s: New test source file.
2945         * testsuite/arm_thm_jump11.t: New linker script.
2946         * testsuite/arm_thm_jump8.s: New test source file.
2947         * testsuite/arm_thm_jump8.t: New linker script.
2948
2949 2011-06-24  Ian Lance Taylor  <iant@google.com>
2950
2951         * layout.cc: Include "object.h".
2952         (ctors_sections_in_init_array): New static variable.
2953         (Layout::is_ctors_in_init_array): New function.
2954         (Layout::layout): Add entry to ctors_sections_in_init_array if
2955         appropriate.
2956         * layout.h (class Layout): Declare is_ctors_in_init_array.
2957         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2958         is_ctors_reverse_view is set.
2959         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2960         all callers.  Set is_ctors_reverse_view field of View_size.
2961         (Sized_relobj_file::reverse_words): New function.
2962         * object.h (Sized_relobj_file::View_size): Add
2963         is_ctors_reverse_view field.
2964         (class Sized_relobj_file): Update declarations.
2965         * testsuite/initpri3.c: New test.
2966         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2967         initpri3b.
2968         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2969         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2970         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2971         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2972         * testsuite/Makefile.in: Rebuild.
2973
2974 2011-06-24  Cary Coutant  <ccoutant@google.com>
2975
2976         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2977         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2978         (debug_msg_cdebug.err): New targets.
2979         * testsuite/Makefile.in: Regenerate.
2980         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2981         Fix checks for link with shared library.
2982
2983 2011-06-24  Doug Kwan  <dougkwan@google.com>
2984
2985         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2986         skip empty text sections.
2987         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2988
2989 2011-06-22  Ian Lance Taylor  <iant@google.com>
2990
2991         PR gold/12910
2992         * options.h (class General_options): Add --ctors-in-init-array.
2993         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2994         friends as SHT_PROGBITS for merging sections.
2995         (Layout::layout): Remove special handling of .init_array and
2996         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2997         and .dtors if ctors_in_init_array.
2998         (Layout::make_output_section): Force correct section types for
2999         .init_array and friends.  Don't sort if doing relocatable link,
3000         Don't sort .ctors and .dtors if ctors_in_init_array.
3001         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3002         (Layout::output_section_name): Add relobj parameter.  Change all
3003         callers.  Handle .ctors. and .dtors. in code rather than table.
3004         Handle .ctors and .dtors if ctors_in_init_array.
3005         (Layout::match_file_name): New function, moved from output.cc.
3006         * layout.h (class Layout): Update declarations.
3007         * output.cc: Include "layout.h".
3008         (Input_section_sort_entry::get_priority): New function.
3009         (Input_section_sort_entry::match_file_name): Just call
3010         Layout::match_file_name.
3011         (Output_section::Input_section_sort_init_fini_compare::operator()):
3012         Handle .ctors and .dtors.  Sort by explicit priority rather than
3013         by name.
3014         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3015         * testsuite/initpri2.c: New test.
3016         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3017         (check_PROGRAMS): Add initpri2.
3018         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3019         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3020         * configure, testsuite/Makefile.in: Rebuild.
3021
3022 2011-06-19  Ian Lance Taylor  <iant@google.com>
3023
3024         PR gold/12880
3025         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3026         .interp section to a PT_INTERP segment even if we have seen a
3027         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3028         clause in a linker script.
3029         (Layout::finalize): Don't create a .interp section if we've
3030         already create a PT_INTERP segment.
3031         (Layout::create_interp): Always call choose_output_section (revert
3032         patch of 2011-06-17).  Don't create PT_INTERP segment.
3033         * script-sections.cc
3034         (Script_sections::create_note_and_tls_segments): Add a .interp
3035         section to a PT_INTERP segment even if we have seen a
3036         --dynamic-linker option.
3037
3038 2011-06-18  Ian Lance Taylor  <iant@google.com>
3039
3040         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3041         merely because a non-PT_LOAD segment has a dynamic reloc.
3042
3043 2011-06-18  Ian Lance Taylor  <iant@google.com>
3044
3045         * layout.cc (Layout::finish_dynamic_section): Don't create
3046         DT_FLAGS entry if not needed.
3047
3048 2011-06-18  Ian Lance Taylor  <iant@google.com>
3049
3050         PR gold/12745
3051         * layout.cc (Layout::layout_eh_frame): Correct handling of
3052         writable .eh_frame section.
3053
3054 2011-06-17  Ian Lance Taylor  <iant@google.com>
3055
3056         PR gold/12893
3057         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3058         symbol is redefined with the exact same object and value.
3059
3060 2011-06-17  Ian Lance Taylor  <iant@google.com>
3061
3062         PR gold/12880
3063         * layout.h (class Layout): Add interp_segment_ field.
3064         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3065         (Layout::attach_allocated_section_to_segment): If making shared
3066         library, put .interp section in PT_INTERP segment.
3067         (Layout::finalize): Also call create_interp if -dynamic-linker
3068         option was used.
3069         (Layout::create_interp): Assert that there is no PT_INTERP
3070         segment.  If not using a SECTIONS clause, use make_output_section.
3071         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3072         * script-sections.cc
3073         (Script_sections::create_note_and_tls_segments): If making shared
3074         library, put .interp section in PT_INTERP segment.
3075
3076 2011-06-17  Ian Lance Taylor  <iant@google.com>
3077
3078         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3079         when making a shared library.
3080
3081 2011-06-17  Ian Lance Taylor  <iant@google.com>
3082
3083         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3084         parameter.  Change all callers.  Don't issue warning about PC32
3085         against locally defined symbol.
3086
3087 2011-06-16  Ian Lance Taylor  <iant@google.com>
3088
3089         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3090         occurs in same object.
3091
3092 2011-06-14  Alan Modra  <amodra@gmail.com>
3093
3094         * po/POTFILES.in: Regenerate.
3095
3096 2011-06-09  Ian Lance Taylor  <iant@google.com>
3097
3098         * script-sections.cc
3099         (Orphan_output_section::set_section_addresses): For a relocatable
3100         link set address to 0.
3101
3102 2011-06-09  Cary Coutant  <ccoutant@google.com>
3103
3104         PR gold/12804
3105         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3106         used with --compress-debug-sections.
3107         * gold/object.cc (Sized_relobj_file::do_layout): Report
3108         uncompressed size of compressed input sections.
3109
3110 2011-06-08  Cary Coutant  <ccoutant@google.com>
3111
3112         PR gold/12804
3113         * testsuite/two_file_test_2_v1.cc: Change initialization of
3114         v2 to keep it in .data.
3115
3116 2011-06-07  Cary Coutant  <ccoutant@google.com>
3117
3118         * common.cc (Symbol_table::do_allocate_commons_list): Call
3119         gold_fallback.
3120         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3121         (Errors::fallback): New function.
3122         (gold_fallback): New function.
3123         * errors.h (Errors::fallback): New function.
3124         * gold.cc (gold_exit): Change status parameter to enum; adjust
3125         all callers.
3126         (queue_initial_tasks): Call gold_fallback.
3127         * gold.h: Include cstdlib.
3128         (Exit_status): New enum type.
3129         (gold_exit): Change status parameter to enum.
3130         (gold_fallback): New function.
3131         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3132         (Layout::create_symtab_sections): Likewise.
3133         (Layout::create_shdrs): Likewise.
3134         * main.cc (main): Adjust call to gold_exit.
3135         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3136         (Output_data_got::add_got_entry_pair): Likewise.
3137         (Output_section::add_input_section): Likewise.
3138         (Output_section::add_output_section_data): Likewise.
3139         (Output_segment::set_section_list_addresses): Likewise.
3140         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3141
3142 2011-06-07  Cary Coutant  <ccoutant@google.com>
3143
3144         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3145         for incremental links.
3146         * output.cc (Output_segment::set_section_list_addresses): Remove
3147         FIXME and test for TLS or BSS.
3148
3149 2011-06-07  Cary Coutant  <ccoutant@google.com>
3150
3151         * testsuite/Makefile.am: Add incremental_copy_test,
3152         incremental_common_test_1.
3153         * testsuite/Makefile.in: Regenerate.
3154         * testsuite/common_test_1_v1.c: New source file.
3155         * testsuite/common_test_1_v2.c: New source file.
3156         * testsuite/copy_test_v1.cc: New source file.
3157
3158 2011-06-07  Cary Coutant  <ccoutant@google.com>
3159
3160         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3161         update, allocate common from bss section's free list.
3162         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3163         linker-defined symbols.
3164         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3165         Skip GOT and PLT entries that are no longer referenced.
3166         (Output_section_incremental_inputs::write_info_blocks): Mark
3167         linker-defined symbols.
3168         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3169         * output.cc (Output_section::allocate): New function.
3170         * output.h (Output_section::allocate): New function.
3171         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3172         linker-defined symbols.
3173         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3174         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3175         (Symbol::init_base_output_data): Likewise.
3176         (Symbol::init_base_output_segment): Likewise.
3177         (Symbol::init_base_constant): Likewise.
3178         (Sized_symbol::init_output_data): Likewise.
3179         (Sized_symbol::init_output_segment): Likewise.
3180         (Sized_symbol::init_constant): Likewise.
3181         (Symbol_table::do_define_in_output_data): Likewise.
3182         (Symbol_table::do_define_in_output_segment): Likewise.
3183         (Symbol_table::do_define_as_constant): Likewise.
3184         * symtab.h (Symbol::is_predefined): New function.
3185         (Symbol::init_base_output_data): Add is_predefined parameter.
3186         (Symbol::init_base_output_segment): Likewise.
3187         (Symbol::init_base_constant): Likewise.
3188         (Symbol::is_predefined_): New data member.
3189         (Sized_symbol::init_output_data): Add is_predefined parameter.
3190         (Sized_symbol::init_output_segment): Likewise.
3191         (Sized_symbol::init_constant): Likewise.
3192         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3193
3194 2011-06-07  Cary Coutant  <ccoutant@google.com>
3195
3196         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3197         instead of emit_copy_reloc.
3198         (Copy_relocs::emit_copy_reloc): Refactor.
3199         (Copy_relocs::make_copy_reloc): New function.
3200         (Copy_relocs::add_copy_reloc): Remove.
3201         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3202         section.
3203         (Copy_relocs::make_copy_reloc): New function.
3204         (Copy_relocs::add_copy_reloc): Remove.
3205         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3206         unchanged input files.
3207         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3208         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3209         Reserve BSS space for COPY relocations.
3210         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3211         (Output_section_incremental_inputs::write_info_blocks): Record
3212         whether a symbol is copied from a shared object.
3213         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3214         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3215         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3216         (Incremental_input_entry_reader::get_output_symbol_index): Add
3217         is_copy parameter.
3218         (Incremental_binary::emit_copy_relocs): New function.
3219         (Incremental_binary::do_emit_copy_relocs): New function.
3220         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3221         new data member.
3222         (Sized_incremental_binary::add_copy_reloc): New function.
3223         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3224         (Sized_incremental_binary::Copy_reloc): New struct.
3225         (Sized_incremental_binary::Copy_relocs): New typedef.
3226         (Sized_incremental_binary::copy_relocs_): New data member.
3227         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3228         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3229         * target.h (Sized_target::emit_copy_reloc): New function.
3230         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3231
3232 2011-06-02  Cary Coutant  <ccoutant@google.com>
3233
3234         PR gold/12163
3235         * gold/archive.cc (Archive::Archive): Initialize new data member.
3236         (Archive::include_all_members): Return if archive has already been
3237         included.
3238         * gold/archive.h (Archive::include_all_members_): New data member.
3239
3240 2011-06-02  Nick Clifton  <nickc@redhat.com>
3241
3242         * dynobj.h: Fix spelling mistake in comment.
3243         * output.cc: Likewise.
3244
3245 2011-05-31  Doug Kwan  <dougkwan@google.com>
3246             Asier Llano
3247
3248         PR gold/12826
3249         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3250         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3251         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3252         redundant arm_exidx_test.so.
3253         * testsuite/Makefile.in: Regenerate.
3254         (check_SCRIPTS): Add pr12826.sh
3255         (check_DATA): Add pr12826.stdout
3256         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3257         * testsuite/pr12826.sh: New file.
3258         * testsuite/pr12826_1.s: Ditto.
3259         * testsuite/pr12826_1.s: Ditto.
3260
3261 2011-05-30  Ian Lance Taylor  <iant@google.com>
3262
3263         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3264         sections.
3265
3266 2011-05-29  Ian Lance Taylor  <iant@google.com>
3267
3268         PR gold/12804
3269         * testsuite/Makefile.am: Use different file name for two_file_test
3270         temporary file for each incremental test.
3271         * testsuite/Makefile.in: Rebuild.
3272
3273 2011-05-29  Ian Lance Taylor  <iant@google.com>
3274
3275         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3276         binary input file is empty.
3277
3278 2011-05-27  Ian Lance Taylor  <iant@google.com>
3279
3280         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3281         (ver_test_9.so): Likewise.
3282         * testsuite/Makefile.in: Rebuild.
3283
3284 2011-05-26 Cary Coutant  <ccoutant@google.com>
3285
3286         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3287         * incremental.cc (Incremental_inputs::report_input_section): Fix
3288         comment, indentation.
3289         (Incremental_inputs::report_comdat_group): New function.
3290         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3291         of data for incremental input file entry.
3292         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3293         group count, COMDAT group signatures.
3294         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3295         an unchanged input file.
3296         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3297         Initialize new data member.
3298         (Incremental_object_entry::add_comdat_group): New function.
3299         (Incremental_object_entry::get_comdat_group_count): New function.
3300         (Incremental_object_entry::get_comdat_signature_key): New function.
3301         (Incremental_object_entry::groups_): New data member.
3302         (Incremental_inputs::report_comdat_group): New function.
3303         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3304         data for incremental input file entry.
3305         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3306         (Incremental_input_entry_reader::get_input_section): Adjust size of
3307         data for incremental input file entry.
3308         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3309         (Incremental_input_entry_reader::get_comdat_group_signature): New
3310         function.
3311         * object.cc (Sized_relobj::include_section_group): Report kept
3312         COMDAT groups for incremental links.
3313
3314 2011-05-24  David Meyer  <pdox@google.com>
3315
3316         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3317         with name parameter.  Add found_name parameter.
3318         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3319         * dirsearch.h (class Dirsearch): Update declaration.
3320
3321 2011-05-24  Ian Lance Taylor  <iant@google.com>
3322
3323         * archive.cc (Library_base::should_include_member): Pull in object
3324         from archive if it defines the entry symbol.
3325         * parameters.cc (Parameters::entry): New function.
3326         * parameters.h (class Parameters): Declare entry.
3327         * output.h (class Output_file_header): Remove entry_ field.
3328         * output.cc (Output_file_header::Output_file_header): Remove entry
3329         parameter.  Change all callers.
3330         (Output_file_header::entry): Use parameters->entry.
3331         * gold.cc (queue_middle_tasks): Likewise.
3332         * plugin.cc (Plugin_hook::run): Likewise.
3333
3334 2011-05-24 Cary Coutant  <ccoutant@google.com>
3335
3336         * gold.cc (queue_initial_tasks): Pass incremental base filename
3337         to Output_file::open_base_file; don't print error message.
3338         * incremental-dump.cc (main): Adjust call to
3339         Output_file::open_for_modification.
3340         * incremental-dump.cc (main): Likewise.
3341         * incremental.cc (Incremental_inputs::report_command_line):
3342         Ignore --incremental-base option when comparing command lines.
3343         Ignore parameter when given as separate argument.
3344         * options.h (class General_options): Add --incremental-base.
3345         * output.cc (Output_file::Output_file):
3346         (Output_file::open_base_file): Add base_name and writable parameters;
3347         read base file into new file; print error message here.
3348         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3349         callers.
3350         * output.h (Output_file::open_for_modification): Rename to...
3351         (Output_file::open_base_file): ...this; add base_name and
3352         writable parameters; adjust all callers.
3353         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3354         callers.
3355         * testsuite/Makefile.am (incremental_test_4): Test
3356         --incremental-base.
3357         * testsuite/Makefile.in: Regenerate.
3358
3359 2011-05-24 Cary Coutant  <ccoutant@google.com>
3360
3361         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3362         incremental_test_4.
3363         * testsuite/Makefile.in: Regenerate.
3364         * testsuite/two_file_test_1_v1.cc: New test source file.
3365         * testsuite/two_file_test_1b_v1.cc: New test source file.
3366         * testsuite/two_file_test_2_v1.cc: New test source file.
3367
3368 2011-05-24 Cary Coutant  <ccoutant@google.com>
3369
3370         * dynobj.h (Dynobj::do_dynobj): New function.
3371         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3372         flag and soname for shared objects.
3373         * incremental.cc (Incremental_inputs::report_object): Make
3374         either Incremental_object_entry or Incremental_dynobj_entry; add
3375         soname to string table.
3376         (Incremental_inputs::report_input_section): Add assertion.
3377         (Output_section_incremental_inputs::set_final_data_size): Adjust
3378         type of input file entry for shared libraries; adjust size of
3379         shared library info entry.
3380         (Output_section_incremental_inputs::write_input_files): Write
3381         as_needed flag for shared libraries.
3382         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3383         of input file entry for shared libraries; write soname.
3384         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3385         soname from incremental info.
3386         * incremental.h (enum Incremental_input_flags): Add
3387         INCREMENTAL_INPUT_AS_NEEDED.
3388         (Incremental_input_entry::Incremental_input_entry): Initialize new
3389         data member.
3390         (Incremental_input_entry::set_as_needed): New function.
3391         (Incremental_input_entry::as_needed): New function.
3392         (Incremental_input_entry::do_dynobj_entry): New function.
3393         (Incremental_input_entry::as_needed_): New data member.
3394         (Incremental_object_entry::Incremental_object_entry): Don't check
3395         for shared library.
3396         (Incremental_object_entry::do_type): Likewise.
3397         (class Incremental_dynobj_entry): New class.
3398         (Incremental_input_entry_reader::as_needed): New function.
3399         (Incremental_input_entry_reader::get_soname): New function.
3400         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3401         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3402         size of shared library info entry.
3403         * layout.cc (Layout::finish_dynamic_section): Don't test for
3404         incremental link when adding DT_NEEDED entries.
3405         * object.h (Object::Object): Initialize new data member.
3406         (Object::dynobj): New function.
3407         (Object::set_as_needed): New function.
3408         (Object::as_needed): New function.
3409         (Object::do_dynobj): New function.
3410         (Object::as_needed_): New data member.
3411
3412 2011-05-24 Cary Coutant  <ccoutant@google.com>
3413
3414         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3415         info; adjust display of GOT entries.
3416         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3417         vector of input objects; remove file_status_.
3418         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3419         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3420         got_plt reader; call target hooks to reserve GOT entries.
3421         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3422         of input file info header and GOT info entry.
3423         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3424         relocation info.
3425         (Got_plt_view_info::got_descriptor): Remove.
3426         (Got_plt_view_info::sym_index): New data member.
3427         (Got_plt_view_info::input_index): New data member.
3428         (Local_got_offset_visitor::visit): Write input file index.
3429         (Global_got_offset_visitor::visit): Write 0 for input file index.
3430         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3431         with sym_index and input_index.
3432         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3433         incremental info GOT entry; replace got_descriptor with input_index.
3434         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3435         map from input file index to object.
3436         (Sized_relobj_incr::do_layout): Replace direct data member reference
3437         with accessor function.
3438         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3439         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3440         Adjust size of input file info header.
3441         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3442         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3443         (Incremental_input_entry_reader::get_input_section): Adjust size of
3444         input file info header.
3445         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3446         of incremental info GOT entry.
3447         (Incremental_got_plt_reader::get_got_desc): Remove.
3448         (Incremental_got_plt_reader::get_got_symndx): New function.
3449         (Incremental_got_plt_reader::get_got_input_index): New function.
3450         (Sized_incremental_binary::Sized_incremental_binary): Remove
3451         file_status_; add input_objects_.
3452         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3453         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3454         (Sized_incremental_binary::file_is_unchanged): Remove.
3455         (Sized_incremental_binary::set_input_object): New function.
3456         (Sized_incremental_binary::input_object): New function.
3457         (Sized_incremental_binary::file_status_): Remove.
3458         (Sized_incremental_binary::input_objects_): New data member.
3459         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3460         references.
3461         (Sized_relobj_incr::invalid_address): Move to base class.
3462         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3463         class.
3464         (Sized_relobj_incr::do_output_section_offset): Likewise.
3465         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3466         (Sized_relobj_incr::section_offsets_): Likewise.
3467         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3468         function.
3469         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3470         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3471         with accessor function.
3472         (Sized_relobj_file::do_layout): Likewise.
3473         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3474         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3475         (Sized_relobj_file::compute_final_local_value): Replace refs to
3476         section_offsets_ with accessor function.
3477         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3478         * object.h (Relobj::Relobj): Initialize new data members.
3479         (Relobj::add_dyn_reloc): New function.
3480         (Relobj::first_dyn_reloc): New function.
3481         (Relobj::dyn_reloc_count): New function.
3482         (Relobj::first_dyn_reloc_): New data member.
3483         (Relobj::dyn_reloc_count_): New data member.
3484         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3485         references.
3486         (Sized_relobj::Address): New typedef.
3487         (Sized_relobj::invalid_address): Move here from child class.
3488         (Sized_relobj::Sized_relobj): Initialize new data members.
3489         (Sized_relobj::sized_relobj): New function.
3490         (Sized_relobj::is_output_section_offset_invalid): Move here from
3491         child class.
3492         (Sized_relobj::get_output_section_offset): Likewise.
3493         (Sized_relobj::local_has_got_offset): Likewise.
3494         (Sized_relobj::local_got_offset): Likewise.
3495         (Sized_relobj::set_local_got_offset): Likewise.
3496         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3497         (Sized_relobj::clear_got_offsets): New function.
3498         (Sized_relobj::section_offsets): Move here from child class.
3499         (Sized_relobj::do_output_section_offset): Likewise.
3500         (Sized_relobj::do_set_section_offset): Likewise.
3501         (Sized_relobj::Local_got_offsets): Likewise.
3502         (Sized_relobj::local_got_offsets_): Likewise.
3503         (Sized_relobj::section_offsets_): Likewise.
3504         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3505         references.
3506         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3507         class.
3508         (Sized_relobj_file::sized_relobj): New function
3509         (Sized_relobj_file::local_has_got_offset): Move to base class.
3510         (Sized_relobj_file::local_got_offset): Likewise.
3511         (Sized_relobj_file::set_local_got_offset): Likewise.
3512         (Sized_relobj_file::get_output_section_offset): Likewise.
3513         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3514         (Sized_relobj_file::do_output_section_offset): Likewise.
3515         (Sized_relobj_file::do_set_section_offset): Likewise.
3516         (Sized_relobj_file::Local_got_offsets): Likewise.
3517         (Sized_relobj_file::local_got_offsets_): Likewise.
3518         (Sized_relobj_file::section_offsets_): Likewise.
3519         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3520         (all constructors).
3521         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3522         (Output_reloc::get_symbol_index): Likewise.
3523         (Output_reloc::local_section_offset): Likewise.
3524         (Output_reloc::get_address): Likewise.
3525         (Output_reloc::symbol_value): Likewise.
3526         (Output_data_got::reserve_slot): Move to class definition.
3527         (Output_data_got::reserve_local): New function.
3528         (Output_data_got::reserve_slot_for_global): Remove.
3529         (Output_data_got::reserve_global): New function.
3530         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3531         (all constructors, two instantiations).
3532         (Output_reloc::get_relobj): New function (two instantiations).
3533         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3534         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3535         (Output_data_reloc::add_global): Adjust type of relobj.
3536         (Output_data_reloc::add_global_relative): Likewise.
3537         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3538         (Output_data_reloc::add_local): Likewise.
3539         (Output_data_reloc::add_local_relative): Likewise.
3540         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3541         (Output_data_reloc::add_local_section): Likewise.
3542         (Output_data_reloc::add_output_section): Likewise.
3543         (Output_data_reloc::add_absolute): Likewise.
3544         (Output_data_reloc::add_target_specific): Likewise.
3545         (Output_data_got::reserve_slot): Move definition here.
3546         (Output_data_got::reserve_local): New function.
3547         (Output_data_got::reserve_global): New function.
3548         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3549         section_offsets_ with accessor function.
3550         (Sized_relobj_file::write_sections): Likewise.
3551         (Sized_relobj_file::do_relocate_sections): Likewise.
3552         * target.h (Sized_target::reserve_local_got_entry): New function.
3553         (Sized_target::reserve_global_got_entry): New function.
3554         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3555         (Target_x86_64::reserve_global_got_entry): New function.
3556         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3557
3558 2011-05-23 Cary Coutant  <ccoutant@google.com>
3559
3560         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3561         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3562         bit when checking got_type.
3563         * incremental.cc (Sized_incremental_binary::setup_readers):
3564         Store symbol table and string table locations; initialize bit vector
3565         of file status flags.
3566         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3567         unchanged files.
3568         (Sized_incremental_binary::do_process_got_plt): New function.
3569         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3570         (Output_section_incremental_inputs::set_final_data_size): Record
3571         file index for each input file.
3572         (Output_section_incremental_inputs::write_got_plt): Store file index
3573         instead of input entry offset for each GOT entry.
3574         * incremental.h
3575         (Incremental_input_entry::Incremental_input_entry): Initialize new
3576         data member.
3577         (Incremental_input_entry::set_offset): Store file index.
3578         (Incremental_input_entry::get_file_index): New function.
3579         (Incremental_input_entry::file_index_): New data member.
3580         (Incremental_binary::process_got_plt): New function.
3581         (Incremental_binary::do_process_got_plt): New function.
3582         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3583         data members.
3584         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3585         (Sized_incremental_binary::set_file_is_unchanged): New function.
3586         (Sized_incremental_binary::file_is_unchanged): New function.
3587         (Sized_incremental_binary::do_process_got_plt): New function.
3588         (Sized_incremental_binary::file_status_): New data member.
3589         (Sized_incremental_binary::main_symtab_loc_): New data member.
3590         (Sized_incremental_binary::main_strtab_loc_): New data member.
3591         * output.cc (Output_data_got::Got_entry::write): Add case
3592         RESERVED_CODE.
3593         (Output_data_got::add_global): Call add_got_entry.
3594         (Output_data_got::add_global_plt): Likewise.
3595         (Output_data_got::add_global_with_rel): Likewise.
3596         (Output_data_got::add_global_with_rela): Likewise.
3597         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3598         (Output_data_got::add_global_pair_with_rela): Likewise.
3599         (Output_data_got::add_local): Call add_got_entry.
3600         (Output_data_got::add_local_plt): Likewise.
3601         (Output_data_got::add_local_with_rel): Likewise.
3602         (Output_data_got::add_local_with_rela): Likewise.
3603         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3604         (Output_data_got::add_local_pair_with_rela): Likewise.
3605         (Output_data_got::reserve_slot): New function.
3606         (Output_data_got::reserve_slot_for_global): New function.
3607         (Output_data_got::add_got_entry): New function.
3608         (Output_data_got::add_got_entry_pair): New function.
3609         (Output_section::add_output_section_data): Edit FIXME.
3610         * output.h
3611         (Output_section_data_build::Output_section_data_build): New
3612         constructor with size parameter.
3613         (Output_data_space::Output_data_space): Likewise.
3614         (Output_data_got::Output_data_got): Initialize new data member; new
3615         constructor with size parameter.
3616         (Output_data_got::add_constant): Call add_got_entry.
3617         (Output_data_got::reserve_slot): New function.
3618         (Output_data_got::reserve_slot_for_global): New function.
3619         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3620         (Output_data_got::add_got_entry): New function.
3621         (Output_data_got::add_got_entry_pair): New function.
3622         (Output_data_got::free_list_): New data member.
3623         * target.h (Sized_target::init_got_plt_for_update): New function.
3624         (Sized_target::register_global_plt_entry): New function.
3625         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3626         Initialize new data member; call init; add constructor with PLT count.
3627         (Output_data_plt_x86_64::init): New function.
3628         (Output_data_plt_x86_64::add_relocation): New function.
3629         (Output_data_plt_x86_64::reserve_slot): New function.
3630         (Output_data_plt_x86_64::free_list_): New data member.
3631         (Target_x86_64::init_got_plt_for_update): New function.
3632         (Target_x86_64::register_global_plt_entry): New function.
3633         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3634         incremental updates.
3635         (Output_data_plt_x86_64::add_relocation): New function.
3636         * testsuite/object_unittest.cc (Object_test): Set default options.
3637
3638 2011-05-16  Ian Lance Taylor  <iant@google.com>
3639
3640         * options.h (class General_options): Make -i a synonym for -r.
3641
3642 2011-05-16  Ian Lance Taylor  <iant@google.com>
3643
3644         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3645
3646 2011-05-10 Cary Coutant  <ccoutant@google.com>
3647
3648         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3649         strip_all (-s).
3650
3651 2011-05-06  Ian Lance Taylor  <iant@google.com>
3652
3653         * layout.cc (Layout::layout): If the output section flags change,
3654         update the ordering.
3655
3656 2011-04-25 Cary Coutant  <ccoutant@google.com>
3657
3658         * incremental-dump.cc (dump_incremental_inputs): Print local
3659         symbol info for each input file.
3660         * incremental.cc
3661         (Output_section_incremental_inputs::set_final_data_size): Add local
3662         symbol info to input file entries in incremental info.
3663         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3664         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3665         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3666         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3667         implementation.
3668         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3669         (Sized_incr_relobj::do_relocate): Write the local symbols.
3670         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3671         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3672         Adjust size of input file header.
3673         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3674         (Incremental_inputs_reader::get_local_symbol_count): New function.
3675         (Incremental_inputs_reader::get_input_section): Adjust size of input
3676         file header.
3677         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3678         (Sized_incr_relobj::This): New typedef.
3679         (Sized_incr_relobj::sym_size): New const data member.
3680         (Sized_incr_relobj::Local_symbol): New struct.
3681         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3682         (Sized_incr_relobj::do_local_symbol_offset): New function.
3683         (Sized_incr_relobj::local_symbol_count_): New data member.
3684         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3685         (Sized_incr_relobj::local_symbol_index_): New data member.
3686         (Sized_incr_relobj::local_symbol_offset_): New data member.
3687         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3688         (Sized_incr_relobj::local_symbols_): New data member.
3689         * object.h (Relobj::output_local_symbol_count): New function.
3690         (Relobj::local_symbol_offset): New function.
3691         (Relobj::do_output_local_symbol_count): New function.
3692         (Relobj::do_local_symbol_offset): New function.
3693         (Sized_relobj::do_output_local_symbol_count): New function.
3694         (Sized_relobj::do_local_symbol_offset): New function.
3695
3696 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3697
3698         * descriptors.cc (set_close_on_exec): New function.
3699         (Descriptors::open): Use set_close_on_exec.
3700         * output.cc (S_ISLNK): Define if not defined.
3701
3702 2011-04-22 Cary Coutant  <ccoutant@google.com>
3703
3704         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3705         global symbol map.
3706         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3707         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3708         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3709         relocations.
3710         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3711         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3712         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3713         * incremental.h
3714         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3715         function.
3716         (Incremental_binary::apply_incremental_relocs): New function.
3717         (Incremental_binary::do_apply_incremental_relocs): New function.
3718         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3719         data member.
3720         (Sized_incremental_binary::add_global_symbol): New function.
3721         (Sized_incremental_binary::global_symbol): New function.
3722         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3723         (Sized_incremental_binary::symbol_map_): New data member.
3724         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3725         * target.h (Sized_target::apply_relocation): New function.
3726         * target-reloc.h (apply_relocation): New function.
3727         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3728
3729 2011-04-22  Doug Kwan  <dougkwan@google.com>
3730
3731         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3732         flag of a SHT_ARM_EXIDX section.
3733         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3734         * testsuite/Makefile.in: Regenerate.
3735         * testsuite/arm_exidx_test.s: New file.
3736         * testsuite/arm_exidx_test.sh: Same.
3737
3738 2011-04-20 Cary Coutant  <ccoutant@google.com>
3739
3740         PR gold/12689
3741         * archive.h (Incremental_archive_entry::Archive_member):
3742         Initialize arg_serial_ (second constructor).
3743
3744 2011-04-17  Ian Lance Taylor  <iant@google.com>
3745
3746         * object.cc (Relocate_info::location): Simplify location string.
3747         * errors.cc (Errors::error_at_location): Don't print program
3748         name.
3749         (Errors::warning_at_location): Likewise.
3750         (Errors::undefined_symbol): Likewise.
3751         * testsuite/debug_msg.sh: Update accordingly.
3752
3753 2011-04-14 Cary Coutant  <ccoutant@google.com>
3754
3755         * gold/layout.cc (Layout::symtab_section_offset): New function.
3756         * gold/layout.h (Layout::symtab_section_offset): New function.
3757         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3758
3759 2011-04-12  Ian Lance Taylor  <iant@google.com>
3760
3761         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3762         with MREMAP_MAYMOVE.
3763         * output.h (class Output_file): Add map_is_allocated_ field.
3764         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3765         not available, provide stubs.  If mremap is not available, #define
3766         it to gold_mremap.
3767         (MREMAP_MAYMOVE): Define if not defined.
3768         (Output_file::Output_file): Initialize map_is_allocated_.
3769         (Output_file::resize): Check map_is_allocated_.
3770         (Output_file::map_anonymous): If mmap fails, use malloc.
3771         (Output_file::unmap): Don't do anything for an anonymous map.
3772         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3773         is not available, provide stubs.
3774         (File_read::View::~View): Use free rather than delete[].
3775         (File_read::make_view): Use malloc rather than new[].  If mmap
3776         fails, use malloc.
3777         (File_read::find_or_make_view): Use malloc rather than new[].
3778         * gold.h: Remove HAVE_REMAP code.
3779         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3780         exists.  Rename mremap to gold_mremap.  If mmap is not available
3781         don't do anything.
3782         * configure, config.in: Rebuild.
3783
3784 2011-04-11  Ian Lance Taylor  <iant@google.com>
3785
3786         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3787         initialize local variable v.
3788
3789 2011-04-11  Cary Coutant  <ccoutant@google.com>
3790
3791         * archive.cc (Archive::include_member): Adjust call to
3792         report_object.
3793         (Add_archive_symbols::run): Track argument serial numbers.
3794         (Lib_group::include_member): Likewise.
3795         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3796         * archive.h (Incremental_archive_entry::Archive_member):
3797         Initialize arg_serial_.
3798         (Archive_member::arg_serial_): New data member.
3799         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3800         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3801         incremental link.
3802         (Sized_dynobj::do_for_all_local_got_entries): New function.
3803         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3804         function.
3805         * fileread.cc (get_mtime): New function.
3806         * fileread.h (get_mtime): New function.
3807         * gold.cc (queue_initial_tasks): Check for incremental update.
3808         (process_incremental_input): New function.
3809         (queue_middle_tasks): Don't force valid target for incremental
3810         update.
3811         * incremental-dump.cc (find_input_containing_global): Adjust
3812         size of symbol info entry.
3813         (dump_incremental_inputs): Dump argument serial number and
3814         in_system_directory flag; bias shndx by 1; print symbol names
3815         when dumping per-file symbol lists; use new symbol info readers.
3816         * incremental.cc
3817         (Output_section_incremental_inputs:update_data_size): New function.
3818         (Sized_incremental_binary::setup_readers): Setup input readers
3819         for each input file; build maps for files added from libraries
3820         and scripts.
3821         (Sized_incremental_binary::check_input_args): New function.
3822         (Sized_incremental_binary::do_check_inputs): Build map of argument
3823         serial numbers to input arguments.
3824         (Sized_incremental_binary::do_file_has_changed): Rename
3825         do_file_is_unchanged to this; compare file modification times.
3826         (Sized_incremental_binary::do_init_layout): New function.
3827         (Sized_incremental_binary::do_reserve_layout): New function.
3828         (Sized_incremental_binary::do_get_input_reader): Remove.
3829         (Sized_incremental_binary::get_symtab_view): New function.
3830         (Incremental_checker::can_incrementally_link_output_file): Remove.
3831         (Incremental_inputs::report_command_line): Exclude --debug options.
3832         (Incremental_inputs::report_archive_begin): Add parameter; track
3833         argument serial numbers; don't put input file entry for archive
3834         before archive members.
3835         (Incremental_inputs::report_archive_end): Put input file entry
3836         for archive after archive members.
3837         (Incremental_inputs::report_object): Add parameter; track argument
3838         serial numbers and in_system_directory flag.
3839         (Incremental_inputs::report_script): Add parameter; track argument
3840         serial numbers.
3841         (Output_section_incremental_inputs::set_final_data_size): Adjust
3842         size of symbol info entry; check for forwarding symbols.
3843         (Output_section_incremental_inputs::write_input_files): Write
3844         in_system_directory flag and argument serial number.
3845         (Output_section_incremental_inputs::write_info_blocks): Map section
3846         indices between incremental info and original input file; store
3847         input section index for each symbol.
3848         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3849         change operator() to visit().
3850         (class Global_got_offset_visitor): Likewise.
3851         (class Global_symbol_visitor_got_plt):
3852         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3853         classes.
3854         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3855         (Sized_incr_relobj::do_read_symbols): New function.
3856         (Sized_incr_relobj::do_layout): New function.
3857         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3858         (Sized_incr_relobj::do_add_symbols): New function.
3859         (Sized_incr_relobj::do_should_include_member): New function.
3860         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3861         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3862         (Sized_incr_relobj::do_section_size): New function.
3863         (Sized_incr_relobj::do_section_name): New function.
3864         (Sized_incr_relobj::do_section_contents): New function.
3865         (Sized_incr_relobj::do_section_flags): New function.
3866         (Sized_incr_relobj::do_section_entsize): New function.
3867         (Sized_incr_relobj::do_section_address): New function.
3868         (Sized_incr_relobj::do_section_type): New function.
3869         (Sized_incr_relobj::do_section_link): New function.
3870         (Sized_incr_relobj::do_section_info): New function.
3871         (Sized_incr_relobj::do_section_addralign): New function.
3872         (Sized_incr_relobj::do_initialize_xindex): New function.
3873         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3874         (Sized_incr_relobj::do_read_relocs): New function.
3875         (Sized_incr_relobj::do_gc_process_relocs): New function.
3876         (Sized_incr_relobj::do_scan_relocs): New function.
3877         (Sized_incr_relobj::do_count_local_symbols): New function.
3878         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3879         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3880         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3881         (Sized_incr_relobj::do_relocate): New function.
3882         (Sized_incr_relobj::do_set_section_offset): New function.
3883         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3884         (Sized_incr_dynobj::do_read_symbols): New function.
3885         (Sized_incr_dynobj::do_layout): New function.
3886         (Sized_incr_dynobj::do_add_symbols): New function.
3887         (Sized_incr_dynobj::do_should_include_member): New function.
3888         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3889         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3890         (Sized_incr_dynobj::do_section_size): New function.
3891         (Sized_incr_dynobj::do_section_name): New function.
3892         (Sized_incr_dynobj::do_section_contents): New function.
3893         (Sized_incr_dynobj::do_section_flags): New function.
3894         (Sized_incr_dynobj::do_section_entsize): New function.
3895         (Sized_incr_dynobj::do_section_address): New function.
3896         (Sized_incr_dynobj::do_section_type): New function.
3897         (Sized_incr_dynobj::do_section_link): New function.
3898         (Sized_incr_dynobj::do_section_info): New function.
3899         (Sized_incr_dynobj::do_section_addralign): New function.
3900         (Sized_incr_dynobj::do_initialize_xindex): New function.
3901         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3902         (make_sized_incremental_object): New function.
3903         (Incremental_library::copy_unused_symbols): New function.
3904         (Incremental_library::do_for_all_unused_symbols): New function.
3905         * incremental.h (enum Incremental_input_flags): New type.
3906         (class Incremental_checker): Remove.
3907         (Incremental_input_entry::Incremental_input_entry): Add argument
3908         serial number.
3909         (Incremental_input_entry::arg_serial): New function.
3910         (Incremental_input_entry::set_is_in_system_directory): New function.
3911         (Incremental_input_entry::is_in_system_directory): New function.
3912         (Incremental_input_entry::arg_serial_): New data member.
3913         (Incremental_input_entry::is_in_system_directory_): New data member.
3914         (class Script_info): Move here from script.h.
3915         (Script_info::Script_info): Add filename parameter.
3916         (Script_info::filename): New function.
3917         (Script_info::filename_): New data member.
3918         (Incremental_script_entry::Incremental_script_entry): Add argument
3919         serial number.
3920         (Incremental_object_entry::Incremental_object_entry): Likewise.
3921         (Incremental_object_entry::add_input_section): Build list of input
3922         sections with map to original shndx.
3923         (Incremental_object_entry::get_input_section_index): New function.
3924         (Incremental_object_entry::shndx_): New data member.
3925         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3926         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3927         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3928         serial number.
3929         (Incremental_inputs::report_archive_begin): Likewise.
3930         (Incremental_inputs::report_object): Likewise.
3931         (Incremental_inputs::report_script): Likewise.
3932         (class Incremental_global_symbol_reader): New class.
3933         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3934         and store flags and input file type.
3935         (Incremental_input_entry_reader::arg_serial): New function.
3936         (Incremental_input_entry_reader::type): Extract type from flags.
3937         (Incremental_input_entry_reader::is_in_system_directory): New function.
3938         (Incremental_input_entry_reader::get_input_section_count): Call
3939         accessor function for type.
3940         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3941         function for type; adjust size of global symbol entry.
3942         (Incremental_input_entry_reader::get_global_symbol_count): Call
3943         accessor function for type.
3944         (Incremental_input_entry_reader::get_object_count): Likewise.
3945         (Incremental_input_entry_reader::get_object_offset): Likewise.
3946         (Incremental_input_entry_reader::get_member_count): Likewise.
3947         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3948         (Incremental_input_entry_reader::get_member_offset): Likewise.
3949         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3950         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3951         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3952         (Incremental_input_entry_reader::get_global_symbol_reader): New
3953         function.
3954         (Incremental_input_entry_reader::get_output_symbol_index): New
3955         function.
3956         (Incremental_input_entry_reader::type_): Remove.
3957         (Incremental_input_entry_reader::flags_): New data member.
3958         (Incremental_inputs_reader::input_file_offset): New function.
3959         (Incremental_inputs_reader::input_file_index): New function.
3960         (Incremental_inputs_reader::input_file): Call input_file_offset.
3961         (Incremental_inputs_reader::input_file_at_offset): New function.
3962         (Incremental_relocs_reader::get_r_type): Reformat.
3963         (Incremental_relocs_reader::get_r_shndx): Reformat.
3964         (Incremental_relocs_reader::get_r_offset): Reformat.
3965         (Incremental_relocs_reader::data): New function.
3966         (Incremental_binary::Incremental_binary): Initialize new data members.
3967         (Incremental_binary::check_inputs): Add cmdline parameter.
3968         (Incremental_binary::file_is_unchanged): Remove.
3969         (Input_reader::arg_serial): New function.
3970         (Input_reader::get_unused_symbol_count): New function.
3971         (Input_reader::get_unused_symbol): New function.
3972         (Input_reader::do_arg_serial): New function.
3973         (Input_reader::do_get_unused_symbol_count): New function.
3974         (Input_reader::do_get_unused_symbol): New function.
3975         (Incremental_binary::input_file_count): New function.
3976         (Incremental_binary::get_input_reader): Change signature to use
3977         index instead of filename.
3978         (Incremental_binary::file_has_changed): New function.
3979         (Incremental_binary::get_input_argument): New function.
3980         (Incremental_binary::get_library): New function.
3981         (Incremental_binary::get_script_info): New function.
3982         (Incremental_binary::init_layout): New function.
3983         (Incremental_binary::reserve_layout): New function.
3984         (Incremental_binary::output_file): New function.
3985         (Incremental_binary::do_check_inputs): New function.
3986         (Incremental_binary::do_file_is_unchanged): Remove.
3987         (Incremental_binary::do_file_has_changed): New function.
3988         (Incremental_binary::do_init_layout): New function.
3989         (Incremental_binary::do_reserve_layout): New function.
3990         (Incremental_binary::do_input_file_count): New function.
3991         (Incremental_binary::do_get_input_reader): Change signature.
3992         (Incremental_binary::input_args_map_): New data member.
3993         (Incremental_binary::library_map_): New data member.
3994         (Incremental_binary::script_map_): New data member.
3995         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3996         new data members.
3997         (Sized_incremental_binary::output_section): New function.
3998         (Sized_incremental_binary::inputs_reader): Add const.
3999         (Sized_incremental_binary::symtab_reader): Add const.
4000         (Sized_incremental_binary::relocs_reader): Add const.
4001         (Sized_incremental_binary::got_plt_reader): Add const.
4002         (Sized_incremental_binary::get_symtab_view): New function.
4003         (Sized_incremental_binary::Inputs_reader): New typedef.
4004         (Sized_incremental_binary::Input_entry_reader): New typedef.
4005         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4006         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4007         (Sized_incremental_binary::do_file_has_changed): New function.
4008         (Sized_incremental_binary::do_init_layout): New function.
4009         (Sized_incremental_binary::do_reserve_layout): New function.
4010         (Sized_input_reader::Inputs_reader): Remove.
4011         (Sized_input_reader::Input_entry_reader): Remove.
4012         (Sized_input_reader::do_arg_serial): New function.
4013         (Sized_input_reader::do_get_unused_symbol_count): New function.
4014         (Sized_input_reader::do_get_unused_symbol): New function.
4015         (Sized_incremental_binary::do_input_file_count): New function.
4016         (Sized_incremental_binary::do_get_input_reader): Change signature;
4017         use index instead of filename.
4018         (Sized_incremental_binary::section_map_): New data member.
4019         (Sized_incremental_binary::input_entry_readers_): New data member.
4020         (class Sized_incr_relobj): New class.
4021         (class Sized_incr_dynobj): New class.
4022         (make_sized_incremental_object): New function.
4023         (class Incremental_library): New class.
4024         * layout.cc (Free_list::num_lists): New static data member.
4025         (Free_list::num_nodes): New static data member.
4026         (Free_list::num_removes): New static data member.
4027         (Free_list::num_remove_visits): New static data member.
4028         (Free_list::num_allocates): New static data member.
4029         (Free_list::num_allocate_visits): New static data member.
4030         (Free_list::init): New function.
4031         (Free_list::remove): New function.
4032         (Free_list::allocate): New function.
4033         (Free_list::dump): New function.
4034         (Free_list::print_stats): New function.
4035         (Layout_task_runner::run): Resize output file for incremental updates.
4036         (Layout::Layout): Initialize new data members.
4037         (Layout::set_incremental_base): New function.
4038         (Layout::init_fixed_output_section): New function.
4039         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4040         incremental updates.
4041         (Layout::create_gold_note): Do not create gold note section for
4042         incremental updates.
4043         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4044         for incremental updates.
4045         (Layout::set_section_offsets): For incremental updates, allocate space
4046         from free list.
4047         (Layout::create_symtab_sections): Layout with offsets relative to
4048         start of section; for incremental updates, allocate space from free
4049         list.
4050         (Layout::create_shdrs): For incremental updates, allocate space from
4051         free list.
4052         (Layout::finish_dynamic_section): For incremental updates, do not
4053         check --as-needed (fixed in subsequent patch).
4054         * layout.h (class Free_list): New class.
4055         (Layout::set_incremental_base): New function.
4056         (Layout::incremental_base): New function.
4057         (Layout::init_fixed_output_section): New function.
4058         (Layout::allocate): New function.
4059         (Layout::incremental_base_): New data member.
4060         (Layout::free_list_): New data member.
4061         * main.cc (main): Print Free_list statistics.
4062         * object.cc (Relobj::finalize_incremental_relocs): Add
4063         clear_counts parameter; clear counts only when clear_counts is set.
4064         (Sized_relobj::Sized_relobj): Initialize new base class.
4065         (Sized_relobj::do_layout): Don't report special sections.
4066         (Sized_relobj::do_for_all_local_got_entries): New function.
4067         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4068         symtab_off to all symbol table offsets.
4069         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4070         * object.h (class Got_offset_list): Move to top of file.
4071         (Object::Object): Allow case where input_file == NULL.
4072         (Object::~Object): Likewise.
4073         (Object::input_file): Assert that input_file != NULL.
4074         (Object::lock): Allow case where input_file == NULL.
4075         (Object::unlock): Likewise.
4076         (Object::is_locked): Likewise.
4077         (Object::token): Likewise.
4078         (Object::release): Likewise.
4079         (Object::is_incremental): New function.
4080         (Object::get_mtime): New function.
4081         (Object::for_all_local_got_entries): New function.
4082         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4083         (Object::set_is_in_system_directory): New function.
4084         (Object::is_in_system_directory): New function.
4085         (Object::do_is_incremental): New function.
4086         (Object::do_get_mtime): New function.
4087         (Object::do_for_all_local_got_entries): New function.
4088         (Object::is_in_system_directory_): New data member.
4089         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4090         (class Sized_relobj_base): New class.
4091         (class Sized_relobj): Derive from Sized_relobj_base.
4092         (class Sized_relobj::Symbols): Redeclare from base class.
4093         (class Sized_relobj::local_got_offset_list): Remove.
4094         (class Sized_relobj::Output_sections): Redeclare from base class.
4095         (class Sized_relobj::do_for_all_local_got_entries): New function.
4096         (class Sized_relobj::write_local_symbols): Add offset parameter.
4097         (class Sized_relobj::local_symbol_offset_): Update comment.
4098         (class Sized_relobj::local_dynsym_offset_): Update comment.
4099         * options.cc (Input_arguments::add_file): Remove const.
4100         * options.h (Input_file_argument::Input_file_argument):
4101         Initialize arg_serial_ (all constructors).
4102         (Input_file_argument::set_arg_serial): New function.
4103         (Input_file_argument::arg_serial): New function.
4104         (Input_file_argument::arg_serial_): New data member.
4105         (Input_arguments::Input_arguments): Initialize file_count_.
4106         (Input_arguments::add_file): Remove const.
4107         (Input_arguments::number_of_input_files): New function.
4108         (Input_arguments::file_count_): New data member.
4109         (Command_line::number_of_input_files): Call
4110         Input_arguments::number_of_input_files.
4111         * output.cc (Output_segment_headers::Output_segment_headers):
4112         Set current size.
4113         (Output_section::Input_section::current_data_size): New function.
4114         (Output_section::Output_section): Initialize new data members.
4115         (Output_section::add_input_section): Don't do merge sections for
4116         an incremental link; allocate space from free list for an
4117         incremental update.
4118         (Output_section::add_output_section_data): Allocate space from
4119         free list for an incremental update.
4120         (Output_section::update_data_size): New function.
4121         (Output_section::set_fixed_layout): New function.
4122         (Output_section::reserve): New function.
4123         (Output_segment::set_section_addresses): Remove const.
4124         (Output_segment::set_section_list_addresses): Remove const; allocate
4125         space from free list for an incremental update.
4126         (Output_segment::set_offset): Adjust size of RELRO segment for an
4127         incremental update.
4128         * output.h (Output_data::current_data_size): Move here from
4129         child classes.
4130         (Output_data::pre_finalize_data_size): New function.
4131         (Output_data::update_data_size): New function.
4132         (Output_section_headers::update_data_size): new function.
4133         (Output_section_data_build::current_data_size): Move to Output_data.
4134         (Output_data_strtab::update_data_size): New function.
4135         (Output_section::current_data_size): Move to Output_data.
4136         (Output_section::set_fixed_layout): New function.
4137         (Output_section::has_fixed_layout): New function.
4138         (Output_section::reserve): New function.
4139         (Output_section::update_data_size): New function.
4140         (Output_section::has_fixed_layout_): New data member.
4141         (Output_section::free_list_): New data member.
4142         (Output_segment::set_section_addresses): Remove const.
4143         (Output_segment::set_section_list_addresses): Remove const.
4144         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4145         New function.
4146         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4147         New function.
4148         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4149         parameter when calling Add_symbols constructor; store argument
4150         serial number for members of a lib group.
4151         (Add_symbols::locks): Allow case where token == NULL.
4152         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4153         (Read_member::~Read_member): New function.
4154         (Read_member::is_runnable): New function.
4155         (Read_member::locks): New function.
4156         (Read_member::run): New function.
4157         (Check_script::~Check_script): New function.
4158         (Check_script::is_runnable): New function.
4159         (Check_script::locks): New function.
4160         (Check_script::run): New function.
4161         (Check_library::~Check_library): New function.
4162         (Check_library::is_runnable): New function.
4163         (Check_library::locks): New function.
4164         (Check_library::run): New function.
4165         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4166         (Add_symbols::library_): New data member.
4167         (class Read_member): New class.
4168         (class Check_script): New class.
4169         (class Check_library): New class.
4170         * reloc.cc (Read_relocs::is_runnable): Allow case where
4171         token == NULL.
4172         (Read_relocs::locks): Likewise.
4173         (Scan_relocs::locks): Likewise.
4174         (Relocate_task::locks): Likewise.
4175         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4176         to clear counters.
4177         (Sized_relobj::incremental_relocs_scan): Fix comment.
4178         (Sized_relobj::do_relocate): Pass output file offset to
4179         write_local_symbols.
4180         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4181         from class declaration.
4182         * script.cc (read_input_script): Allocate Script_info; pass
4183         argument serial number to report_script.
4184         * script.h (class Script_info): Move to incremental.h.
4185         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4186         * symtab.h (Symbol_table::add_from_incrobj): New function.
4187         (Symbol_table::set_file_offset): New function.
4188
4189 2011-04-05  Cary Coutant  <ccoutant@google.com>
4190
4191         * incremental-dump.cc (dump_incremental_inputs): Change signature
4192         to take a Sized_incremental_binary; change caller.  Use readers
4193         in Sized_incremental_binary.
4194         * incremental.cc
4195         (Sized_incremental_binary::find_incremental_inputs_sections):
4196         Rename do_find_incremental_inputs_sections to this.
4197         (Sized_incremental_binary::setup_readers): New function.
4198         (Sized_incremental_binary::do_check_inputs): Check
4199         has_incremental_info_ flag; move setup code to setup_readers;
4200         use input readers.
4201         (Sized_incremental_binary::do_file_is_unchanged): New function.
4202         (Sized_incremental_binary::do_get_input_reader): New function.
4203         * incremental.h (class Incremental_binary): Move to end of file.
4204         (Incremental_binary::file_is_unchanged): New function.
4205         (Incremental_binary::do_file_is_unchanged): New function.
4206         (Incremental_binary::Input_reader): New class.
4207         (Incremental_binary::get_input_reader): New function.
4208         (class Sized_incremental_binary): Move to end of file.
4209         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4210         input section reader classes.
4211         (Sized_incremental_binary::has_incremental_info): New function.
4212         (Sized_incremental_binary::inputs_reader): New function.
4213         (Sized_incremental_binary::symtab_reader): New function.
4214         (Sized_incremental_binary::relocs_reader): New function.
4215         (Sized_incremental_binary::got_plt_reader): New function.
4216         (Sized_incremental_binary::do_file_is_unchanged): New function.
4217         (Sized_incremental_binary::Sized_input_reader): New class.
4218         (Sized_incremental_binary::get_input_reader): New function.
4219         (Sized_incremental_binary::find_incremental_inputs_sections):
4220         Rename do_find_incremental_inputs_sections to this.
4221         (Sized_incremental_binary::setup_readers): New function.
4222         (Sized_incremental_binary::has_incremental_info_): New data member.
4223         (Sized_incremental_binary::inputs_reader_): New data member.
4224         (Sized_incremental_binary::symtab_reader_): New data member.
4225         (Sized_incremental_binary::relocs_reader_): New data member.
4226         (Sized_incremental_binary::got_plt_reader_): New data member.
4227         (Sized_incremental_binary::current_input_file_): New data member.
4228
4229 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4230
4231         PR gold/12640
4232         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4233         violation.
4234
4235 2011-03-30  Cary Coutant  <ccoutant@google.com>
4236
4237         * archive.cc (Archive::include_member): Adjust call to report_object.
4238         (Add_archive_symbols::run): Add script_info to call to
4239         report_archive_begin.
4240         (Lib_group::include_member): Adjust call to report_object.
4241         (Add_lib_group_symbols::run): Adjust call to report_object.
4242         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4243         blocks.  Add object count for script input files.
4244         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4245         script_info parameter; change all callers.
4246         (Incremental_inputs::report_object): Add script_info parameter;
4247         change all callers.
4248         (Incremental_inputs::report_script): Store backpointer to
4249         incremental info entry.
4250         (Output_section_incremental_inputs::set_final_data_size): Record
4251         additional information for scripts.
4252         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4253         * incremental.h (Incremental_script_entry::add_object): New function.
4254         (Incremental_script_entry::get_object_count): New function.
4255         (Incremental_script_entry::get_object): New function.
4256         (Incremental_script_entry::objects_): New data member; adjust
4257         constructor.
4258         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4259         (Incremental_inputs::report_object): Add script_info parameter.
4260         (Incremental_inputs_reader::get_object_count): New function.
4261         (Incremental_inputs_reader::get_object_offset): New function.
4262         * options.cc (Input_arguments::add_file): Return reference to
4263         new input argument.
4264         * options.h (Input_argument::set_script_info): New function.
4265         (Input_argument::script_info): New function.
4266         (Input_argument::script_info_): New data member; adjust all
4267         constructors.
4268         (Input_file_group::add_file): Return reference to new input argument.
4269         (Input_file_lib::add_file): Likewise.
4270         (Input_arguments::add_file): Likewise.
4271         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4272         * script.cc (Parser_closure::Parser_closure): Add script_info
4273         parameter; adjust all callers.
4274         (Parser_closure::script_info): New function.
4275         (Parser_closure::script_info_): New data member.
4276         (read_input_script): Report scripts earlier to incremental info.
4277         (script_add_file): Set script_info in Input_argument.
4278         (script_add_library): Likewise.
4279         * script.h (Script_options::Script_info): Rewrite class.
4280
4281 2011-03-29  Cary Coutant  <ccoutant@google.com>
4282
4283         * archive.cc (Library_base::should_include_member): Move
4284         method here from class Archive.
4285         (Archive::Archive): Initialize base class.
4286         (Archive::should_include_member): Move to base class.
4287         (Archive::do_for_all_unused_symbols): New function.
4288         (Add_archive_symbols::run): Remove redundant access to
4289         incremental_inputs.
4290         (Lib_group::Lib_group): Initialize base class.
4291         (Lib_group::do_filename): New function.
4292         (Lib_group::include_member): Pass pointer to Lib_group to
4293         report_object.
4294         (Lib_group::do_for_all_unused_symbols): New function.
4295         (Add_lib_group_symbols::run): Report archive information for
4296         incremental links.
4297         * archive.h (class Library_base): New base class.
4298         (class Archive): Derive from Library_base.
4299         (Archive::filename): Move to base class.
4300         (Archive::set_incremental_info): Likewise.
4301         (Archive::incremental_info): Likewise.
4302         (Archive::Should_include): Likewise.
4303         (Archive::should_include_member): Likewise.
4304         (Archive::Armap_entry): Remove.
4305         (Archive::Unused_symbol_iterator): Remove.
4306         (Archive::unused_symbols_begin): Remove.
4307         (Archive::unused_symbols_end): Remove.
4308         (Archive::do_filename): New function.
4309         (Archive::do_get_mtime): New function.
4310         (Archive::do_for_all_unused_symbols): New function.
4311         (Archive::task_): Move to base class.
4312         (Archive::incremental_info_): Likewise.
4313         (class Lib_group): Derive from Library_base.
4314         (Lib_group::do_filename): New function.
4315         (Lib_group::do_get_mtime): New function.
4316         (Lib_group::do_for_all_unused_symbols): New function.
4317         (Lib_group::task_): Move to base class.
4318         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4319         function.
4320         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4321         function.
4322         * incremental.cc (Incremental_inputs::report_archive_begin):
4323         Use Library_base; call library's get_mtime; add incremental inputs
4324         entry before members.
4325         (class Unused_symbol_visitor): New class.
4326         (Incremental_inputs::report_archive_end): Use Library_base; use
4327         visitor class to record unused symbols; don't add incremental inputs
4328         entry after members.
4329         (Incremental_inputs::report_object): Use Library_base.
4330         * incremental.h
4331         (Incremental_archive_entry::Incremental_archive_entry): Remove
4332         unused Archive parameter.
4333         (Incremental_inputs::report_archive_begin): Use Library_base.
4334         (Incremental_inputs::report_archive_end): Likewise.
4335         (Incremental_inputs::report_object): Likewise.
4336         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4337         function.
4338         * object.h (Object::for_all_global_symbols): New function.
4339         (Object::do_for_all_global_symbols): New function.
4340         (Sized_relobj::do_for_all_global_symbols): New function.
4341         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4342         function.
4343         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4344         function.
4345
4346 2011-03-27  Ian Lance Taylor  <iant@google.com>
4347
4348         * archive.cc (Archive::interpret_header): Return -1 if something
4349         goes wrong.  Change callers accordingly.
4350
4351 2011-03-25  Cary Coutant  <ccoutant@google.com>
4352
4353         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4354         * testsuite/Makefile.in: Regenerate.
4355
4356 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4357
4358         * plugin.cc (get_view): New.
4359         (Plugin::load): Pass get_view to the plugin.
4360         (Plugin_manager::get_view): New.
4361
4362 2011-03-21  Ian Lance Taylor  <iant@google.com>
4363
4364         * testsuite/final_layout.sh: Rewrite to not use dc.
4365         * testsuite/relro_test.sh: Fail if dc is not present.
4366
4367 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4368
4369         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4370         Change == to -eq.
4371         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4372         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4373         Change == to -eq.
4374         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4375         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4376
4377 2011-03-14  Ian Lance Taylor  <iant@google.com>
4378
4379         * script-sections.cc (Sort_output_sections::script_compare):
4380         Rename from is_before, change return type.
4381         (Sort_output_sections::operator()): Adjust accordingly.
4382
4383 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4384
4385         PR gold/12572
4386         * testsuite/odr_violation2.cc: Add comment to make all error line
4387         numbers double digits.
4388         * testsuite/debug_msg.sh: Adjust expected errors.
4389
4390 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4391
4392         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4393         but mark earlier ones as non-canonical
4394         (offset_to_iterator): Update search target and example
4395         (do_addr2line): Return extra lines in a vector*
4396         (format_file_lineno): Extract from do_addr2line
4397         (one_addr2line): Add vector* out-param
4398         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4399         when a lineno entry appeared last for its instruction
4400         (Dwarf_line_info): Add vector* out-param
4401         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4402         * symtab.cc (Odr_violation_compare): Include the lineno in the
4403         comparison again.
4404         (linenos_from_loc): New. Combine the canonical line for an
4405         address with its other lines.
4406         (True_if_intersect): New. Helper functor to make
4407         std::set_intersection a query.
4408         (detect_odr_violations): Compare sets of lines instead of just
4409         one line for each function. This became less deterministic, but
4410         has fewer false positives.
4411         * symtab.h: Declarations.
4412         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4413         mix an optimized and non-optimized object in the same binary
4414         (odr_violation2.so): Same.
4415         * testsuite/Makefile.in: Regenerate from Makefile.am.
4416         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4417         * testsuite/debug_msg.sh: Update line numbers and add
4418         assertions.
4419         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4420         non-optimized context.
4421         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4422         isn't inlined, and use OdrDerived in an optimized context.
4423         * testsuite/odr_header1.h: Defines OdrDerived, where
4424         optimization will change the
4425         first-instruction-in-the-destructor's file and line number.
4426         * testsuite/odr_header2.h: Defines OdrBase.
4427
4428 2011-03-09  Ian Lance Taylor  <iant@google.com>
4429
4430         * fileread.cc (File_read::clear_views): Don't delete the whole
4431         file view.
4432
4433 2011-03-08  Ian Lance Taylor  <iant@google.com>
4434
4435         PR gold/12525
4436         * fileread.cc: #include <climits>.
4437         (GOLD_IOV_MAX): Define.
4438         (File_read::read_multiple): Limit number of entries by iov_max.
4439         * fileread.h (class File_read): Always set max_readv_entries to
4440         128.
4441
4442 2011-03-07  Ian Lance Taylor  <iant@google.com>
4443
4444         PR gold/12525
4445         * options.h (class General_options): Add -dy and -dn.
4446
4447 2011-03-02  Cary Coutant  <ccoutant@google.com>
4448
4449         * testsuite/script_test_9.t: Add TLS segment.
4450
4451 2011-03-02  Simon Baldwin  <simonb@google.com>
4452
4453         * configure.ac: Add check for gnu_indirect_function support in
4454         the toolchain building binutils.
4455         * configure: Rebuild.
4456
4457 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4458
4459         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4460         plugin only symbols.
4461         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4462         in plugin files as not needed in the symbol table.
4463
4464 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4465
4466         * output.cc (Output_section::add_input_section): Delay fill
4467         generation for section ordering.
4468
4469 2011-02-09  Ian Lance Taylor  <iant@google.com>
4470
4471         PR gold/12316
4472         * object.h (class Sized_relobj): Remove clear_local_symbols.
4473         * reloc.cc (Sized_relobj::do_relocate): Don't call
4474         clear_local_symbols.
4475
4476 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4477
4478         * plugin.cc (is_visible_from_outside): Return true for symbols
4479         in the -u option.
4480
4481 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4482
4483         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4484         filename.
4485
4486 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4487
4488         * icf.h (is_section_foldable_candidate): Change type of parameter
4489         to std::string.
4490         * icf.cc (Icf::find_identical_sections): Change type of local variable
4491         section_name to be std::string.
4492         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4493
4494 2011-01-25  Ian Lance Taylor  <iant@google.com>
4495
4496         * script.cc (script_add_extern): Rewrite to use
4497         add_symbol_reference.
4498
4499 2011-01-25  Doug Kwan  <dougkwan@google.com>
4500
4501         * icf.cc (get_section_contents): Always lock section's object.
4502
4503 2011-01-24  Ian Lance Taylor  <iant@google.com>
4504
4505         * options.h (class General_options): Accept
4506         --no-detect-odr-violations.
4507
4508 2011-01-24  Ian Lance Taylor  <iant@google.com>
4509
4510         * version.cc (version_string): Bump to 1.11.
4511
4512 2011-01-24  Ian Lance Taylor  <iant@google.com>
4513
4514         * plugin.cc (class Plugin_rescan): Define new class.
4515         (Plugin_manager::claim_file): Set any_claimed_.
4516         (Plugin_manager::save_archive): New function.
4517         (Plugin_manager::save_input_group): New function.
4518         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4519         necessary.
4520         (Plugin_manager::new_undefined_symbol): New function.
4521         (Plugin_manager::rescan): New function.
4522         (Plugin_manager::rescannable_defines): New function.
4523         (Plugin_manager::add_input_file): Set any_added_.
4524         * plugin.h (class Plugin_manager): define new fields rescannable_,
4525         undefined_symbols_, any_claimed_, and any_added_.  Declare
4526         Plugin_rescan as friend.  Declare new functions.
4527         (Plugin_manager::Rescannable): Define type.
4528         (Plugin_manager::Rescannable_list): Define type.
4529         (Plugin_manager::Undefined_symbol_list): Define type.
4530         (Plugin_manager::Plugin_manager): Initialize new fields.
4531         * archive.cc (Archive::defines_symbol): New function.
4532         (Add_archive_symbols::run): Pass archive to plugins if any.
4533         * archive.h (class Archive): Declare defines_symbol.
4534         * readsyms.cc (Input_group::~Input_group): New function.
4535         (Finish_group::run): Pass input_group to plugins if any.
4536         * readsyms.h (class Input_group): Declare destructor.
4537         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4538         any.
4539
4540 2011-01-10  Ian Lance Taylor  <iant@google.com>
4541
4542         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4543         section as relro.
4544         (Layout::set_segment_offsets): Reset increase_relro before calling
4545         set_section_addresses a second time.
4546
4547 2011-01-04  Cary Coutant  <ccoutant@google.com>
4548
4549         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4550         sections before NOBITS sections.
4551
4552 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4553
4554         * version.cc (print_version): Update copyright to 2011.
4555
4556 2010-12-23  Cary Coutant  <ccoutant@google.com>
4557
4558         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4559         of OS to this->add.  Add OD parameter to second form of the function.
4560
4561 2010-12-20  Ian Lance Taylor  <iant@google.com>
4562
4563         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4564         second of two consecutive entries with same offset.
4565
4566 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4567
4568         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4569         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4570         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4571         to avoid unneeded links against $(LDADD).
4572         * testsuite/Makefile.in: Regenerate.
4573
4574 2010-12-15  Ian Lance Taylor  <iant@google.com>
4575
4576         PR gold/12324
4577         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4578         for R_X86_64_32 and R_X86_64_PC32.
4579         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4580         ver_matching_def_pic.o.
4581         (ver_matching_def_pic.o): New target.
4582
4583 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4584
4585         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4586         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4587         Move definition before File_read::View member definitions.
4588         (File_read::View::~View): Initialize and hold lock before
4589         updating current_mapped_bytes.
4590
4591 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4592
4593         * dwarf_reader.cc: Remove outdated comment.
4594         * gold-threads.cc: Fix typo in error message.
4595         * archive.cc: Fix typos in comments.
4596         * archive.h: Likewise.
4597         * arm-reloc-property.cc: Likewise.
4598         * arm-reloc-property.h: Likewise.
4599         * arm-reloc.def: Likewise.
4600         * arm.cc: Likewise.
4601         * attributes.h: Likewise.
4602         * cref.cc: Likewise.
4603         * ehframe.cc: Likewise.
4604         * fileread.h: Likewise.
4605         * gold.h: Likewise.
4606         * i386.cc: Likewise.
4607         * icf.cc: Likewise.
4608         * incremental.h: Likewise.
4609         * int_encoding.cc: Likewise.
4610         * layout.h: Likewise.
4611         * main.cc: Likewise.
4612         * merge.h: Likewise.
4613         * object.cc: Likewise.
4614         * object.h: Likewise.
4615         * options.cc: Likewise.
4616         * readsyms.cc: Likewise.
4617         * reduced_debug_output.cc: Likewise.
4618         * reloc.cc: Likewise.
4619         * script-sections.cc: Likewise.
4620         * sparc.cc: Likewise.
4621         * symtab.h: Likewise.
4622         * target-reloc.h: Likewise.
4623         * target.cc: Likewise.
4624         * target.h: Likewise.
4625         * timer.cc: Likewise.
4626         * timer.h: Likewise.
4627         * x86_64.cc: Likewise.
4628
4629 2010-12-09  Cary Coutant  <ccoutant@google.com>
4630
4631         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4632         stack.
4633         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4634         parameter; change all callers.
4635         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4636         * options.h (warn_execstack): New option.
4637
4638 2010-12-07  Doug Kwan  <dougkwan@google.com>
4639
4640         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4641         like function call relocations.
4642
4643 2010-12-07  Ian Lance Taylor  <iant@google.com>
4644
4645         * archive.cc (Archive::get_elf_object_for_member): Permit
4646         punconfigured to be NULL.
4647         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4648         (Archive::include_member): Pass NULL to get_elf_object_for_member
4649         if we searched for the archive and this is the first included
4650         object.
4651
4652 2010-12-01  Ian Lance Taylor  <iant@google.com>
4653
4654         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4655         track_relocs_type_ field.
4656         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4657         Set track_relocs_type_.
4658         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4659         contents when using RELA relocs.
4660         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4661         reloc_map_.
4662         * reloc.cc (Track_relocs::next_addend): New function.
4663         * reloc.h (class Track_relocs): Declare next_addend.
4664
4665 2010-12-01  Ian Lance Taylor  <iant@google.com>
4666
4667         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4668         virtual destructor.
4669
4670 2010-12-01  Ian Lance Taylor  <iant@google.com>
4671
4672         * README: Update compilers known to work and fail.
4673
4674 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4675
4676         * configure.in: For --enable-gold, handle value `default' instead of
4677         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4678         not the default.
4679         * configure: Regenerate.
4680
4681 2010-11-18  Doug Kwan  <dougkwan@google.com>
4682
4683         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4684         and right_alignment to be zero.  Store result alignment only if it is
4685         greater than existing alignment.
4686
4687 2010-11-16  Cary Coutant  <ccoutant@google.com>
4688
4689         PR gold/12220
4690         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4691         Check for ".zdebug_line".
4692
4693 2010-11-16  Doug Kwan  <dougkwan@google.com>
4694             Cary Coutant  <ccoutant@google.com>
4695
4696         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4697         by reference; adjust all callers.
4698         * output.cc (Output_segment::set_section_addresses): Adjust references
4699         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4700         list is empty.
4701         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4702         end at page boundary.
4703
4704 2010-11-16  Cary Coutant  <ccoutant@google.com>
4705
4706         PR gold/12220
4707         * layout.cc (Layout::choose_output_section): Transform names of
4708         compressed sections even when using a script with a SECTIONS clause.
4709         (Layout::output_section_name): Remove code to transform
4710         compressed debug section names.
4711         * output.cc (Output_section::add_input_section): Use uncompressed
4712         section size when tracking input sections.
4713
4714 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4715
4716         * symtab.h (Symbol::NON_PIC_REF): Remove.
4717         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4718         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4719         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4720         (Symbol::use_plt_offset): Take a flags argument and pass it
4721         directly to needs_dynamic_reloc.  Restrict check for undefined
4722         weak symbols to function calls.
4723         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4724         (Target_arm::Scan::global): Use it.
4725         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4726         (Target_arm::Relocate::relocate): Likewise.
4727         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4728         parameter with an r_type parameter.  Use get_reference_flags
4729         to get the flags.
4730         (Target_arm::Relocate::relocate): Update accordingly.
4731         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4732         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4733         (Target_i386::Scan::global): Likewise.
4734         (Target_i386::Relocate::relocate): Likewise.
4735         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4736         parameter with an r_type parameter.  Use get_reference_flags
4737         to get the flags.
4738         (Target_i386::Relocate::relocate): Update accordingly.
4739         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4740         (Target_powerpc::Scan::global): Use it.
4741         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4742         (Target_powerpc::Relocate::relocate): Likewise.
4743         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4744         (Target_sparc::Scan::global): Use it.
4745         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4746         (Target_sparc::Relocate::relocate): Likewise.
4747         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4748         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4749         (Target_x86_64::Scan::global): Likewise.
4750         (Target_x86_64::Relocate::relocate): Likewise.
4751
4752 2010-11-08  Doug Kwan  <dougkwan@google.com>
4753             Cary Coutant  <ccoutant@google.com>
4754
4755         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4756         (Arm_exidx_merge_section::section_contents_): New data member.
4757         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4758         (Arm_input_section::~Arm_input_section): De-allocate memory.
4759         (Arm_input_section::original_contents_): New data member.
4760         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4761         in parameters instead of calling Object::section_contents without
4762         locking.
4763         (Arm_output_section::group_section): New parameter TASK.  Pass it
4764         to callees that need locking objects.
4765         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4766         to lock EXIDX input sections.  Fix a formatting issue.  Call
4767         Arm_exidx_merged_section::build_contents to create merged section
4768         contents.
4769         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4770         to lock object of stub table owner.
4771         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4772         TEXT_SIZE to initialize data member TEXT_SIZE_.
4773         (Arm_exidx_input_section::addralign): Fix typo in comment.
4774         (Arm_exidx_input_section::text_size): New method.
4775         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4776         that require locking objects.  Lock objects before scanning for stubs
4777         and updating local symbols.
4778         (Arm_input_section<big_endian>::init): Copy contents of original
4779         input section.
4780         (Arm_input_section<big_endian>::do_write): Use saved contents of
4781         original input section instead of calling Object::section_contents
4782         without locking.
4783         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4784         size without calling Object::section_size().
4785         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4786         for size.  Allocate a buffer for merged EXIDX entries.
4787         (Arm_exidx_merged_section::build_contents): New method.
4788         (Arm_exidx_merged_section::do_write): Move merge section contents
4789         building code to Arm_exidx_merged_section::build_contetns.  Write
4790         out contetns in buffer instead of building it on the fly.
4791         (Arm_relobj::make_exidx_input_section): Also pass text section size
4792         to Arm_exidx_input_section constructor.
4793         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4794         (Arm_dynobj::do_read_symbols): Fix memory leak.
4795         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4796         * target.h: (class Task): Add forward declaration.
4797         (Target::relax): Add new parameter TASK and pass it to
4798         Target::do_relax().
4799         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4800
4801 2010-11-05  Cary Coutant  <ccoutant@google.com>
4802
4803         PR gold/10708
4804         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4805         object when reading from the file.
4806         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4807         second layout pass.
4808         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4809         when reading section contents.
4810         (get_section_contents): Likewise.
4811         (icf::find_identical_sections): Likewise.
4812         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4813         object when reading from the file.
4814         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4815         the object when doing deferred section layout.
4816
4817 2010-11-03  Nick Clifton  <nickc@redhat.com>
4818
4819         PR gold/12001
4820         * script.h (class Symbol_assignment: name): New member.  Returns
4821         the name of the symbol.
4822         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4823         Returns true if the given symbol name is on the list of
4824         assignments wating to be processed.
4825         * archive.cc (should_incldue_member): If the symbol is undefined,
4826         check to see if it is on the list of symbols pending assignment.
4827
4828 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4829
4830         * script-sections.cc (Script_sections::find_memory_region): Check
4831         for a NULL output section pointer.
4832
4833 2010-10-29  Doug Kwan  <dougkwan@google.com>
4834
4835         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4836         Output_section::add_relaxed_input_section.
4837         * output.cc (Output_section::add_relaxed_input_section): Add new
4838         arguments LAYOUT and NAME.  Set section order index.
4839         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4840         Copy section order index.
4841         * output.h (Output_section::add_relaxed_input_section): Add new
4842         arguments LAYOUT and NAME.
4843
4844 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4845
4846         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4847         NATIVE_OR_CROSS_LINKER.
4848         * testsuite/Makefile.in: Regenerate.
4849
4850 2010-10-20  Doug Kwan  <dougkwan@google.com>
4851
4852         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4853         without SHF_LINK_ORDER flags.
4854         * layout.cc (Layout::choose_output_section): Do not filter
4855         SHF_LINK_ORDER flag in a relocatable link.
4856
4857 2010-10-17  Cary Coutant  <ccoutant@google.com>
4858
4859         * output.h (Output_segment::set_section_addresses): Change function
4860         signature.  Update all callers.
4861         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4862         sections.
4863         (Output_segment::set_section_addresses): Align after last TLS
4864         section.  Add padding before last relro section instead of after.
4865
4866 2010-10-17  Doug Kwan  <dougkwan@google.com>
4867
4868         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4869         GOT output section to be writable.
4870
4871 2010-10-14  Cary Coutant  <ccoutant@google.com>
4872
4873         * debug.h (DEBUG_INCREMENTAL): New flag.
4874         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4875         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4876         mode.
4877         * incremental.cc (report_command_line): Ignore all forms of
4878         --incremental.
4879         * layout.cc (Layout::Layout): Check parameters for incremental link
4880         mode.
4881         * options.cc (General_options::parse_incremental): New function.
4882         (General_options::parse_no_incremental): New function.
4883         (General_options::parse_incremental_full): New function.
4884         (General_options::parse_incremental_update): New function.
4885         (General_options::incremental_mode_): New data member.
4886         (General_options::finalize): Check incremental_mode_.
4887         * options.h (General_options): Update help text for --incremental.
4888         Add --no-incremental, --incremental-full, --incremental-update.
4889         (General_options::Incremental_mode): New enum type.
4890         (General_options::incremental_mode): New function.
4891         (General_options::incremental_mode_): New data member.
4892         * parameters.cc (Parameters::incremental_mode_): New data member.
4893         (Parameters::set_options): Set incremental_mode_.
4894         (Parameters::set_incremental_full): New function.
4895         (Parameters::incremental): New function.
4896         (Parameters::incremental_update): New function.
4897         (set_parameters_incremental_full): New function.
4898         * parameters.h (Parameters::set_incremental_full): New function.
4899         (Parameters::incremental): New function.
4900         (Parameters::incremental_update): New function.
4901         (Parameters::incremental_mode_): New data member.
4902         (set_parameters_incremental_full): New function.
4903         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4904         incremental link mode.
4905         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4906         (Sized_relobj::do_relocate_sections): Likewise.
4907         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4908         option.
4909         * testsuite/Makefile.in: Regenerate.
4910         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4911
4912 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4913
4914         * script-sections.h (class Script_sections): Make
4915         Sections_elements typedef public.
4916         * script-sections.cc (class Sort_output_sections): Add elements_
4917         field.  Add constructor which sets it; change all callers.
4918         (Sort_output_sections::is_before): New function.
4919         (Sort_output_sections::operator()): Call is_before.
4920         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4921         conditional.
4922         * testsuite/script_test_10.sh: New test. Test script section
4923         order.
4924         * testsuite/script_test_10.t: Likewise.
4925         * testsuite/script_test_10.s: Likewise.
4926         * testsuite/Makefile.am: Wrap the cross linker tests and the
4927         common tests into NATIVE_OR_CROSS_LINKER.
4928         (check_SCRIPTS): Add script_test_10.sh.
4929         (check_DATA): Add script_test_10.stdout.
4930         (script_test_10.o, script_test_10): New targets.
4931         (script_test_10.stdout): New target.
4932         * configure, testsuite/Makefile.in: Regenerate.
4933
4934 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4935
4936         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4937         error for the deprecated relocations.
4938         (Target_arm::Scan::global): Likewise.
4939         (Target_arm::Relocate::relocate): Likewise.
4940
4941 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4942
4943         * fileread.cc (Input_file::find_file): Initialize *found_name
4944         and *namep when using the fallback search for case 4.
4945
4946 2010-10-11  Cary Coutant  <ccoutant@google.com>
4947
4948         * options.h (class General_options): Redefine -z lazy as an alias for
4949         the negation of -z now.
4950
4951 2010-10-11  Ian Lance Taylor  <iant@google.com>
4952
4953         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4954         binding.
4955
4956 2010-10-06  Nick Clifton  <nickc@redhat.com>
4957
4958         * script-sections.cc(class Memory_region): Remove
4959         current_lma_offset_ field.  Rename current_vma_offset_ to
4960         current_offset_.  Add last_section_ field.
4961         (Memory_region::get_current_vma_address): Rename to
4962         get_current_address.
4963         (Memory_region::get_current_lma_address): Delete.
4964         (Memory_region::increment_vma_offset): Rename to
4965         increment_offset.
4966         (Memory_region::increment_lma_offset): Delete.
4967         (Memory_region::attributes_compatible): New method.  Returns
4968         true if the provided section is compatible with the region.
4969         (Memory_region::get_last_section): New method.  Returns the last
4970         section to use the region.
4971         (Memory_region::set_last_section): New method.  Stores the last
4972         section to use the region.
4973         (Script_sections::block_in_region): New method.  Returns true if
4974         a block of memory is contained within a region.
4975         (Script_sections::find_memory_region): New method.  Locates a
4976         memory region to be used to set a VMA or LMA address.
4977         (Output_section_definition::set_section_addresses): Add code to
4978         check for addresses set by memory regions.
4979         (Output_segment::set_section_addresses): Remove memory region
4980         walking code.
4981         (Script_sections::create_segment): Add a warning if a header
4982         segment is created outside of any region.
4983         * script-sections.h (class Script_sections): Add prototypes for
4984         find_memory_region and block_in_region methods.
4985         * testsuite/memory_test.s: Use .long instead of .word.
4986         * testsuite/memory_test.t: Add some more output sections.
4987         * testsuite/memory_test.sh: Update expected output.
4988
4989 2010-10-02  Doug Kwan  <dougkwan@google.com>
4990
4991         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4992         defintion to symtab.h
4993         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4994         declaration to defintion.
4995
4996 2010-10-01  Nick Clifton  <nickc@redhat.com>
4997
4998         * expression.cc (eval): Replace dummy argument with NULL.
4999         (eval_maybe_dot): Check for a NULL result section pointer.
5000         (Symbol_expression::value): Likewise.
5001         (Dot_expression::value): Likewise.
5002         (BINARY_EXPRESSION): Likewise.
5003         (Max_expression::value): Likewise.
5004         (Min_expression::value): Likewise.
5005         (Absolute_expression::value): Likewise.
5006         (Addr_expression::value_from_output_section): Likewise.
5007         (Loaddddr_expression::value_from_output_section): Likewise.
5008         (Segment_start_expression::value): Likewise.
5009         * script-sections.cc
5010         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5011         argument with NULL.
5012         (Sections_elememt_dot_assignment::set_section_addresses):
5013         Likewise.
5014         (Output_data_expression::do_write_to_buffer): Likewise.
5015         (Output_section_definition::finalize_symbols): Likewise.
5016         (Output_section_definition::set_section_addresses): Likewise.
5017
5018 2010-09-30  Doug Kwan  <dougkwan@google.com>
5019
5020         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5021
5022 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5023
5024         * target.h (Target::can_icf_inline_merge_sections): New virtual
5025         function.
5026         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5027         virtual function.
5028         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5029         virtual function.
5030         * icf.cc (get_section_contents): Inline merge sections only when
5031         target allows it.
5032
5033 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5034
5035         * configure: Regenerate.
5036
5037 2010-09-17  Ian Lance Taylor  <iant@google.com>
5038
5039         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5040         * testsuite/Makefile.am (memory_test.o): New target.
5041         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5042         memory_test.t.
5043         * testsuite/Makefile.in: Rebuild.
5044
5045 2010-09-17  Doug Kwan  <dougkwan@google.com>
5046
5047         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5048         defintion if relocation uses GOT entries of the symbol.
5049         * testsuite/icf_safe_test.sh: Fix test.
5050         * testsuite/icf_safe_so_test.sh: Fix test.
5051
5052 2010-09-16  Cary Coutant  <ccoutant@google.com>
5053
5054         * script_sections.cc (class Memory_region): Remove "NULL" from
5055         vector initializations.
5056
5057 2010-09-15  Cary Coutant  <ccoutant@google.com>
5058
5059         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5060         Resolve forwarding symbols.
5061
5062 2010-09-15  Doug Kwan  <dougkwan@google.com>
5063
5064         * gold/testsuite/script_test_3.t: Add ARM special sections.
5065         * gold/testsuite/script_test_4.t: Same.
5066         * gold/testsuite/script_test_5.t: Same.
5067         * gold/testsuite/script_test_6.t: Same.
5068         * gold/testsuite/script_test_7.t: Same.
5069         * gold/testsuite/script_test_7.t: Same.
5070         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5071
5072 2010-09-14  Cary Coutant  <ccoutant@google.com>
5073
5074         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5075         (Target_x86_64::Relocate::relocate_tls): Replace check for
5076         saw_tls_block_reloc_ with test for executable section.
5077
5078 2010-09-12  Cary Coutant  <ccoutant@google.com>
5079
5080         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5081         position-independent executables to shared libraries need dynamic
5082         relocations.
5083         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5084         position-independent executables.
5085         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5086         * testsuite/Makefile.in: Regenerate.
5087
5088 2010-09-10  Nick Clifton  <nickc@redhat.com>
5089
5090         PR gold/11997
5091         * testsuite/memory_test.t: Discard any sections that are not
5092         needed.
5093
5094 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5095
5096         PR gold/11996
5097         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5098         "This::" to work around a bug in gcc 4.2.
5099
5100         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5101
5102 2010-09-09  Rafael Espindola  <espindola@google.com>
5103
5104         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5105         sections with different PF_X flags in the same segment.
5106         (Layout::find_first_load_seg): Search all segments to find the first
5107         one.
5108         * options.h (rosegment): New.
5109
5110 2010-09-08  Rafael Espindola  <espindola@google.com>
5111
5112         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5113
5114 2010-09-08  Doug Kwan  <dougkwan@google.com>
5115
5116         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5117         (Arm_relobj::do_relocate_sections): Add new parameter for output
5118         file to match the parent.
5119         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5120         of local symbols instead of input values.  Update code to track
5121         changes in gold::relocate_section.
5122         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5123         (Sized_relobj::compute_final_local_value_internal): New methods.
5124         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5125         body into private version of Sized_relobj::compute_final_local_value.
5126         Call the inline method.
5127         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5128         merged symbol value if there is one.
5129         (Symbol_value::has_output_value): New method defintiion.
5130         (Sized_relobj::Compute_final_local_value_status): New enum type.
5131         (Sized_relobj::compute_final_local_value): New methods.
5132         (Sized_relobj::compute_final_local_value_internal): New methods.
5133         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5134         and arm_cortex_a8.sh.
5135         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5136         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5137         New tests.
5138         * Makefile.in: Regenerate.
5139         * testsuite/arm_bl_out_of_range.s: Update test.
5140         * testsuite/thumb_bl_out_of_range.s: Ditto.
5141         * testsuite/thumb_blx_out_of_range.s: Ditto.
5142         * testsuite/arm_branch_out_of_range.sh: New file.
5143         * testsuite/arm_cortex_a8.sh: Ditto.
5144         * testsuite/arm_cortex_a8_b.s: Ditto.
5145         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5146         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5147         * testsuite/arm_cortex_a8_bl.s: Ditto.
5148         * testsuite/arm_cortex_a8_blx.s: Ditto.
5149         * testsuite/arm_cortex_a8_local.s: Ditto.
5150         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5151         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5152
5153 2010-09-08  Rafael Espindola  <espindola@google.com>
5154
5155         * Makefile.am (memory_test.stdout): Run readelf with -W.
5156         * Makefile.in: Regenerate.
5157         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5158         64 bit output.
5159
5160 2010-09-08  Rafael Espindola  <espindola@google.com>
5161
5162         * script-sections.cc (Script_sections::add_memory_region): Convert
5163         field precision to int.
5164         * script.cc (script_set_section_region, script_set_section_region):
5165         Convert field precision to int.
5166
5167 2010-09-08  Rafael Espindola  <espindola@google.com>
5168
5169         * arm.cc (do_finalize_sections): Create the __exidx_start and
5170         __exdix_end symbols even when the section is missing.
5171
5172 2010-09-08  Nick Clifton  <nickc@redhat.com>
5173
5174         * README: Remove claim that MEMORY is not supported.
5175         * expression.cc (script_exp_function_origin)
5176         (script_exp_function_length): Move from here to ...
5177         * script.cc: ... here.
5178         (script_set_section_region, script_add_memory)
5179         (script_parse_memory_attr, script_include_directive): New
5180         functions.
5181         * script-sections.cc
5182         (class Memory_region): New class.
5183         (class Output_section_definition): Add set_memory_region,
5184         set_section_vma, set_section_lma and get_section_name methods.
5185         (class Script_Sections): Add add_memory_region,
5186         find_memory_region, find_memory_region_origin,
5187         find_memory_region_length and set_memory_region methods.
5188         Have set_section_addresses method walk the list of set memory
5189         regions.
5190         Extend the print methos to display memory regions.
5191         * script-sections.h: Add prototypes for new methods.
5192         Add enum for MEMORY region attributes.
5193         * yyscript.y: Add support for parsing MEMORY regions.
5194         * script-c.h: Add prototypes for new functions.
5195         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5196         * testsuite/Makefile.in: Regenerate.
5197         * testsuite/memory_test.sh: New script.
5198         * testsuite/memory_test.s: New assembler source file.
5199         * testsuite/memory_test.t: New linker script.
5200
5201 2010-08-27  Doug Kwan  <dougkwan@google.com>
5202
5203         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5204         reference override an existing dynamic weak reference.
5205         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5206         * testsuite/Makefile.in: Regenerate.
5207         * testsuite/dyn_weak_ref.sh: New file.
5208         * testsuite/dyn_weak_ref_1.c: Ditto.
5209         * testsuite/dyn_weak_ref_2.c: Ditto.
5210
5211 2010-08-27  Ian Lance Taylor  <iant@google.com>
5212
5213         * incremental.h (class Incremental_input_entry): Add virtual
5214         destructor.
5215
5216 2010-08-27  Ian Lance Taylor  <iant@google.com>
5217
5218         * testsuite/start_lib_test_3.c: Mark t3 as used.
5219
5220 2010-08-27  Nick Clifton  <nickc@redhat.com>
5221
5222         * options.cc (version_script): Fix small typo in previous
5223         whitespace tidyup.
5224
5225 2010-08-25  Nick Clifton  <nickc@redhat.com>
5226
5227         * archive.cc: Formatting fixes: Remove whitespace between
5228         typename and following asterisk.  Remove whitespace between
5229         function name and opening parenthesis.
5230         * archive.h: Likewise.
5231         * arm.cc: Likewise.
5232         * attributes.cc: Likewise.
5233         * attributes.h: Likewise.
5234         * common.cc: Likewise.
5235         * copy-relocs.cc: Likewise.
5236         * dirsearch.h: Likewise.
5237         * dynobj.cc: Likewise.
5238         * ehframe.cc: Likewise.
5239         * ehframe.h: Likewise.
5240         * expression.cc: Likewise.
5241         * fileread.cc: Likewise.
5242         * fileread.h: Likewise.
5243         * gc.h: Likewise.
5244         * gold-threads.cc: Likewise.
5245         * gold.cc: Likewise.
5246         * i386.cc: Likewise.
5247         * icf.h: Likewise.
5248         * incremental-dump.cc: Likewise.
5249         * incremental.cc: Likewise.
5250         * layout.cc: Likewise.
5251         * layout.h: Likewise.
5252         * main.cc: Likewise.
5253         * merge.cc: Likewise.
5254         * merge.h: Likewise.
5255         * object.cc: Likewise.
5256         * object.h: Likewise.
5257         * options.cc: Likewise.
5258         * options.h: Likewise.
5259         * output.cc: Likewise.
5260         * output.h: Likewise.
5261         * plugin.cc: Likewise.
5262         * plugin.h: Likewise.
5263         * powerpc.cc: Likewise.
5264         * reloc.cc: Likewise.
5265         * script-c.h: Likewise.
5266         * script-sections.cc: Likewise.
5267         * script.cc: Likewise.
5268         * stringpool.cc: Likewise.
5269         * symtab.cc: Likewise.
5270         * symtab.h: Likewise.
5271         * target.cc: Likewise.
5272         * timer.cc: Likewise.
5273         * timer.h: Likewise.
5274         * version.cc: Likewise.
5275         * x86_64.cc: Likewise.
5276
5277 2010-08-24  Nick Clifton  <nickc@redhat.com>
5278
5279         PR 11899
5280         * layout.cc (segment_precedes): Sort segments by their physical
5281         addresses, if they have been set.
5282
5283 2010-08-23  Cary Coutant  <ccoutant@google.com>
5284
5285         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5286         symbols data.
5287         (Lib_group::include_member): Unlock object after deleting its
5288         symbols data.
5289         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5290         the bug fixed here.
5291
5292 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5293             Cary Coutant  <ccoutant@google.com>
5294
5295         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5296         constructor, and set_blocker.
5297         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5298         readsyms_blocker_.
5299         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5300         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5301         * testsuite/Makefile.am (start_lib_test): New test case.
5302         * testsuite/Makefile.in: Regenerate.
5303         * testsuite/start_lib_test_main.c: New file.
5304         * testsuite/start_lib_test_1.c: New file.
5305         * testsuite/start_lib_test_2.c: New file.
5306         * testsuite/start_lib_test_3.c: New file.
5307
5308 2010-08-19  Ian Lance Taylor  <iant@google.com>
5309
5310         * Makefile.in: Rebuild with automake 1.11.1.
5311         * aclocal.m4: Likewise.
5312         * testsuite/Makefile.in: Likewise.
5313
5314 2010-08-19  Ian Lance Taylor  <iant@google.com>
5315
5316         PR 10893
5317         * i386.cc (class Output_data_plt_i386): Update declarations.
5318         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5319         local_ifuncs_ fields.
5320         (Target_i386::do_plt_section_for_global): New function.
5321         (Target_i386::do_plt_section_for_local): New function.
5322         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5323         parameter; change all callers.  Initialize global_ifuncs_ and
5324         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5325         __rel_iplt_end.
5326         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5327         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5328         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5329         symbols.
5330         (Target_i386::make_plt_section): New function, broken out of
5331         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5332         (Target_i386::make_plt_entry): Call make_plt_section.
5333         (Target_i386::make_local_ifunc_plt_entry): New function.
5334         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5335         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5336         R_386_IRELATIVE to switch.
5337         (Target_i386::Scan::global): Likewise.
5338         (Target_i386::Relocate::relocate): Likewise.
5339         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5340         switch.
5341         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5342         (Target_x86_64::do_plt_section_for_global): New function.
5343         (Target_x86_64::do_plt_section_for_local): New function.
5344         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5345         parameter; change all callers.  If doing a static link define
5346         __rela_iplt_start and __rela_iplt_end.
5347         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5348         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5349         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5350         to point to .plt.
5351         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5352         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5353         switch.
5354         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5355         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5356         R_X86_64_IRELATIVE to switch.
5357         (Target_x86_64::Scan::global): Likewise.
5358         (Target_x86_64::Relocate::relocate): Likewise.
5359         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5360         switch.
5361         * target.h (class Target): Add plt_section_for_global and
5362         plt_section_for_local functions.  Add do_plt_section_for_global
5363         and do_plt_section_for_local virtual functions.
5364         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5365         clarifying comments.
5366         (Symbol::use_plt_offset): Handle IFUNC symbol.
5367         * object.cc (Sized_relobj::Sized_relobj): Initialize
5368         local_plt_offsets_.
5369         (Sized_relobj::local_has_plt_offset): New function.
5370         (Sized_relobj::local_plt_offset): New function.
5371         (Sized_relobj::set_local_plt_offset): New function.
5372         (Sized_relobj::do_count): Handle IFUNC symbol.
5373         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5374         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5375         is_ifunc_symbol functions.
5376         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5377         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5378         local_plt_offsets_ field.
5379         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5380         * output.h (class Output_section_data): Add non-const
5381         output_section function.
5382         (class Output_data_got): Update declarations.
5383         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5384         Add use_plt_offset parameter to global and local constructors.
5385         Change all callers.  Change local_sym_index_ field to 31 bits.
5386         Change GSYM_CODE and CONSTANT_CODE accordingly.
5387         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5388         doing a static link don't set sh_link field.
5389         (Output_data_got::Got_entry::write): Use PLT offset if
5390         appropriate.
5391         (Output_data_got::add_global_plt): New function.
5392         (Output_data_got::add_local_plt): New function.
5393         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5394         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5395         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5396         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5397         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5398         IFUNC conditional.
5399         * testsuite/ifunc-sel.h: New file.
5400         * testsuite/ifuncmain1.c: New file.
5401         * testsuite/ifuncmain1vis.c: New file.
5402         * testsuite/ifuncmod1.c: New file.
5403         * testsuite/ifuncdep2.c: New file.
5404         * testsuite/ifuncmain2.c: New file.
5405         * testsuite/ifuncmain3.c: New file.
5406         * testsuite/ifuncmod3.c: New file.
5407         * testsuite/ifuncmain4.c: New file.
5408         * testsuite/ifuncmain5.c: New file.
5409         * testsuite/ifuncmod5.c: New file.
5410         * testsuite/ifuncmain6pie.c: New file.
5411         * testsuite/ifuncmod6.c: New file.
5412         * testsuite/ifuncmain7.c: New file.
5413         * configure, testsuite/Makefile.in: Rebuild.
5414
5415 2010-08-18  Ian Lance Taylor  <iant@google.com>
5416
5417         * incremental.cc
5418         (Output_section_incremental_inputs::write_input_files): Add cast
5419         to avoid signed/unsigned comparison warning.
5420         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5421
5422 2010-08-12  Cary Coutant  <ccoutant@google.com>
5423
5424         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5425
5426 2010-08-13  Ian Lance Taylor  <iant@google.com>
5427
5428         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5429
5430 2010-08-12  Cary Coutant  <ccoutant@google.com>
5431             Doug Kwan  <dougkwan@google.com>
5432
5433         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5434         defintion overrides non-weak undef, remember that the original undef
5435         is not weak.
5436         * symtab.cc (Symbol_table::sized_write_global): For undef without
5437         an original weak binding, set binding to global in output.
5438         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5439         * testsuite/Makefile.in: Regenerate.
5440         * testsuite/strong_ref_weak_def.sh: New file.
5441         * testsuite/strong_ref_weak_def_1.c: Ditto.
5442         * testsuite/strong_ref_weak_def_2.c: Ditto.
5443
5444 2010-08-12  Cary Coutant  <ccoutant@google.com>
5445
5446         * testsuite/incremental_test.sh: Rewrite.
5447         * testsuite/incremental_test_1.c: Rewrite.
5448         * testsuite/incremental_test_2.c: Rewrite.
5449
5450 2010-08-12  Cary Coutant  <ccoutant@google.com>
5451
5452         * arm.cc (Target_arm::got_size): Add const.
5453         (Target_arm::got_entry_count): New function.
5454         (Target_arm::plt_entry_count): New function.
5455         (Target_arm::first_plt_entry_offset): New function.
5456         (Target_arm::plt_entry_size): New function.
5457         (Output_data_plt_arm::entry_count): New function.
5458         (Output_data_plt_arm::first_plt_entry_offset): New function.
5459         (Output_data_plt_arm::get_plt_entry_size): New function.
5460         * i386.cc (Target_i386::got_size): Add const.
5461         (Target_i386::got_entry_count): New function.
5462         (Target_i386::plt_entry_count): New function.
5463         (Target_i386::first_plt_entry_offset): New function.
5464         (Target_i386::plt_entry_size): New function.
5465         (Output_data_plt_i386::entry_count): New function.
5466         (Output_data_plt_i386::first_plt_entry_offset): New function.
5467         (Output_data_plt_i386::get_plt_entry_size): New function.
5468         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5469         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5470         * incremental.cc: Include target.h.
5471         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5472         parameter.  Adjust all callers.  Find incremental_got_plt section.
5473         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5474         section.
5475         (Output_section_incremental_inputs::set_final_data_size): Calculate
5476         size of incremental_got_plt section.
5477         (Output_section_incremental_inputs::do_write): Write the
5478         incremental_got_plt section.
5479         (Got_plt_view_info): New struct.
5480         (Local_got_offset_visitor): New class.
5481         (Global_got_offset_visitor): New class.
5482         (Global_symbol_visitor_got_plt): New class.
5483         (Output_section_incremental_inputs::write_got_plt): New function.
5484         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5485         Add parameter.  Adjust all callers.
5486         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5487         (Incremental_inputs::got_plt_section): New function.
5488         (Incremental_inputs::got_plt_section_): New data member.
5489         (Incremental_got_plt_reader): New class.
5490         * layout.cc (Layout::create_incremental_info_sections): Add the
5491         incremental_got_plt section.
5492         * object.h (Got_offset_list::get_list): New function.
5493         (Got offset_list::for_all_got_offsets): New function.
5494         (Sized_relobj::local_got_offset_list): New function.
5495         * powerpc.cc (Target_powerpc::got_size): Add const.
5496         (Target_powerpc::got_entry_count): New function.
5497         (Target_powerpc::plt_entry_count): New function.
5498         (Target_powerpc::first_plt_entry_offset): New function.
5499         (Target_powerpc::plt_entry_size): New function.
5500         (Output_data_plt_powerpc::entry_count): New function.
5501         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5502         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5503         * sparc.cc (Target_sparc::got_size): Add const.
5504         (Target_sparc::got_entry_count): New function.
5505         (Target_sparc::plt_entry_count): New function.
5506         (Target_sparc::first_plt_entry_offset): New function.
5507         (Target_sparc::plt_entry_size): New function.
5508         (Output_data_plt_sparc::entry_count): New function.
5509         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5510         (Output_data_plt_sparc::get_plt_entry_size): New function.
5511         * symtab.h (Symbol::got_offset_list): New function.
5512         (Symbol_table::for_all_symbols): New function.
5513         * target.h (Sized_target::got_entry_count): New function.
5514         (Sized_target::plt_entry_count): New function.
5515         (Sized_target::plt_entry_size): New function.
5516         * x86_64.cc (Target_x86_64::got_size): Add const.
5517         (Target_x86_64::got_entry_count): New function.
5518         (Target_x86_64::plt_entry_count): New function.
5519         (Target_x86_64::first_plt_entry_offset): New function.
5520         (Target_x86_64::plt_entry_size): New function.
5521         (Output_data_plt_x86_64::entry_count): New function.
5522         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5523         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5524
5525 2010-08-12  Cary Coutant  <ccoutant@google.com>
5526
5527         * archive.cc: Include incremental.h.
5528         (Archive::Archive): Initialize incremental_info_.
5529         (Archive::include_member): Record archive members in incremental info.
5530         (Add_archive_symbols::run): Record begin and end of an archive in
5531         incremental info.
5532         (Lib_group::include_member): Record objects in incremental info.
5533         * archive.h (Incremental_archive_entry): Forward declaration.
5534         (Archive::set_incremental_info): New member function.
5535         (Archive::incremental_info): New member function.
5536         (Archive::Unused_symbol_iterator): New class.
5537         (Archive::unused_symbols_begin): New member function.
5538         (Archive::unused_symbols_end): New member function.
5539         (Archive::incremental_info_): New data member.
5540         * incremental-dump.cc (find_input_containing_global): New function.
5541         (dump_incremental_inputs): Dump new incremental info sections.
5542         * incremental.cc: Include symtab.h.
5543         (Output_section_incremental_inputs): New class.
5544         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5545         new incremental info sections.
5546         (Sized_incremental_binary::do_check_inputs): Likewise.
5547         (Incremental_inputs::report_archive): Remove.
5548         (Incremental_inputs::report_archive_begin): New function.
5549         (Incremental_inputs::report_archive_end): New function.
5550         (Incremental_inputs::report_object): New function.
5551         (Incremental_inputs::finalize_inputs): Remove.
5552         (Incremental_inputs::report_input_section): New function.
5553         (Incremental_inputs::report_script): Rewrite.
5554         (Incremental_inputs::finalize): Do nothing but finalize string table.
5555         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5556         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5557         (Incremental_inputs::create_data_sections): New function.
5558         (Incremental_inputs::relocs_entsize): New function.
5559         (Output_section_incremental_inputs::set_final_data_size): New function.
5560         (Output_section_incremental_inputs::do_write): New function.
5561         (Output_section_incremental_inputs::write_header): New function.
5562         (Output_section_incremental_inputs::write_input_files): New function.
5563         (Output_section_incremental_inputs::write_info_blocks): New function.
5564         (Output_section_incremental_inputs::write_symtab): New function.
5565         * incremental.h (Incremental_script_entry): Forward declaration.
5566         (Incremental_object_entry): Forward declaration.
5567         (Incremental_archive_entry): Forward declaration.
5568         (Incremental_inputs): Forward declaration.
5569         (Incremental_inputs_header_data): Remove.
5570         (Incremental_inputs_header): Remove.
5571         (Incremental_inputs_header_write): Remove.
5572         (Incremental_inputs_entry_data): Remove.
5573         (Incremental_inputs_entry): Remove.
5574         (Incremental_inputs_entry_write): Remove.
5575         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5576         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5577         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5578         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5579         Likewise.
5580         (Incremental_input_entry): New class.
5581         (Incremental_script_entry): New class.
5582         (Incremental_object_entry): New class.
5583         (Incremental_archive_entry): New class.
5584         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5585         (Incremental_inputs::report_inputs): Remove.
5586         (Incremental_inputs::report_archive): Remove.
5587         (Incremental_inputs::report_archive_begin): New function.
5588         (Incremental_inputs::report_archive_end): New function.
5589         (Incremental_inputs::report_object): Change prototype.
5590         (Incremental_inputs::report_input_section): New function.
5591         (Incremental_inputs::report_script): Change prototype.
5592         (Incremental_inputs::get_reloc_count): New function.
5593         (Incremental_inputs::set_reloc_count): New function.
5594         (Incremental_inputs::create_data_sections): New function.
5595         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5596         (Incremental_inputs::inputs_section): New function.
5597         (Incremental_inputs::symtab_section): New function.
5598         (Incremental_inputs::relocs_section): New function.
5599         (Incremental_inputs::get_stringpool): Add const.
5600         (Incremental_inputs::command_line): Add const.
5601         (Incremental_inputs::inputs): Remove.
5602         (Incremental_inputs::command_line_key): New function.
5603         (Incremental_inputs::input_file_count): New function.
5604         (Incremental_inputs::input_files): New function.
5605         (Incremental_inputs::relocs_entsize): New function.
5606         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5607         (Incremental_inputs::finalize_inputs): Remove.
5608         (Incremental_inputs::Input_info): Remove.
5609         (Incremental_inputs::lock_): Remove.
5610         (Incremental_inputs::inputs_): Change type.
5611         (Incremental_inputs::inputs_map_): Remove.
5612         (Incremental_inputs::current_object_entry_): New data member.
5613         (Incremental_inputs::inputs_section_): New data member.
5614         (Incremental_inputs::symtab_section_): New data member.
5615         (Incremental_inputs::relocs_section_): New data member.
5616         (Incremental_inputs::reloc_count_): New data member.
5617         (Incremental_inputs_reader): New class.
5618         (Incremental_symtab_reader): New class.
5619         (Incremental_relocs_reader): New class.
5620         * layout.cc (Layout::finalize): Move finalization of incremental info
5621         and creation of incremental info sections to follow finalization of
5622         symbol table.  Set offsets for postprocessing sections.
5623         (Layout::create_incremental_info_sections): Call
5624         Incremental_inputs::create_data_sections.  Add incremental symtab
5625         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5626         sections to layout after input sections.
5627         * layout.h (struct Timespec): Forward declaration.
5628         (Layout::incremental_inputs): Add const.
5629         (Layout::create_incremental_info_sections): Add parameter.
5630         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5631         * object.cc: Include incremental.h.
5632         (Relobj::finalize_incremental_relocs): New function.
5633         (Sized_relobj::do_layout): Record input sections in incremental info.
5634         * object.h (Object::output_section): New function.
5635         (Object::output_section_offset): Moved from Relobj.
5636         (Object::get_incremental_reloc_base): New function.
5637         (Object::get_incremental_reloc_count): New function.
5638         (Object::do_output_section): New function.
5639         (Object::do_output_section_offset): Moved from Relobj.
5640         (Object::do_get_incremental_reloc_base): New function.
5641         (Object::do_get_incremental_reloc_count): New function.
5642         (Object::Object): Initialize new data members.
5643         (Relobj::output_section): Renamed do_output_section and moved to
5644         protected.
5645         (Relobj::output_section_offset): Moved to Object.
5646         (Relobj::do_get_incremental_reloc_base): New function.
5647         (Relobj::do_get_incremental_reloc_count): New function.
5648         (Relobj::allocate_incremental_reloc_counts): New function.
5649         (Relobj::count_incremental_reloc): New function.
5650         (Relobj::finalize_incremental_relocs): New function.
5651         (Relobj::next_incremental_reloc_index): New function.
5652         (Relobj::reloc_counts_): New data member.
5653         (Relobj::reloc_bases_): New data member.
5654         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5655         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5656         (Sized_relobj::incremental_relocs_scan): New function.
5657         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5658         (Sized_relobj::incremental_relocs_write): New function.
5659         (Sized_relobj::incremental_relocs_write_reltype): New function.
5660         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5661         incremental link.
5662         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5663         archives and object files elsewhere.
5664         (Add_symbols::run): Report object files here.
5665         (Finish_group::run): Report end of archive at end of group.
5666         * reloc.cc: Include layout.h, incremental.h.
5667         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5668         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5669         (Sized_relobj::incremental_relocs_scan): New function.
5670         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5671         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5672         (Sized_relobj::incremental_relocs_write): New function.
5673         (Sized_relobj::incremental_relocs_write_reltype): New function.
5674         * script.cc (read_input_script): Rewrite test for incremental link.
5675         Change call to Incremental_inputs::report_script.
5676         * symtab.h (Symbol_table::first_global_index): New function.
5677         (Symbol_table::output_count): New function.
5678
5679 2010-08-12  Doug Kwan  <dougkwan@google.com>
5680
5681         * arm.cc (Target_arm::merge_object_attributes): Check command line
5682         options --no-wchar-size-warning and --no-enum-size-warning.
5683         * options.h (General_options): Add ld-compatible options
5684         --no-enum-size-warning and --no-wchar-size-warning.
5685
5686 2010-08-04  Ian Lance Taylor  <iant@google.com>
5687
5688         * x86_64.cc (Target_x86_64::Scan::local): Use
5689         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5690         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5691         (Target_x86_64::Scan::global): Likewise.
5692         (Target_x86_64::Relocate::relocate): Likewise.
5693         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5694         Likewise.
5695
5696 2010-08-03  Cary Coutant  <ccoutant@google.com>
5697
5698         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5699         to reserve space in merged_strings vector. Keep total input size
5700         for stats.
5701         (Output_merge_string::do_print_merge_stats): Print total input size.
5702         * merge.h (Output_merge_string): Add input_size_ field.
5703         * stringpool.cc (Stringpool_template::string_length): Move
5704         implementations out of Stringpool_template class and place in
5705         stringpool.h.
5706         * stringpool.h (string_length): Move out of Stringpool_template.
5707
5708 2010-08-03  Ian Lance Taylor  <iant@google.com>
5709
5710         PR 11712
5711         * layout.cc (relaxation_loop_body): If address of load segment is
5712         set, adjust address to include headers if possible.
5713
5714 2010-08-03  Ian Lance Taylor  <iant@google.com>
5715
5716         * version.cc (version_string): Bump to 1.10.
5717
5718 2010-08-03  Ian Lance Taylor  <iant@google.com>
5719
5720         PR 11805
5721         * layout.h (enum Output_section_order): Define.
5722         (class Layout): Update declarations.
5723         * layout.cc (Layout::get_output_section): Add order parameter.
5724         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5725         is_first_non_relro parameters.  Change all callers.
5726         (Layout::choose_output_section): Likewise.
5727         (Layout::add_output_section_data): Likewise.
5728         (Layout::make_output_section): Likewise.  Set order.
5729         (Layout::default_section_order): New function.
5730         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5731         * output.cc (Output_section::Output_section): Initialize order_.
5732         Don't initialize deleted fields.
5733         (Output_segment::Output_segment): Don't initialize deleted
5734         fields.
5735         (Output_segment::add_output_section_to_load): New function
5736         replacing add_output_section.  Change all callers to call this or
5737         add_output_section_to_nonload.
5738         (Output_segment::add_output_section_to_nonload): New function.
5739         (Output_segment::remove_output_section): Rewrite.
5740         (Output_segment::add_initial_output_data): Likewise.
5741         (Output_segment::has_any_data_sections): Likewise.
5742         (Output_segment::is_first_section_relro): Likewise.
5743         (Output_segment::maximum_alignment): Likewise.
5744         (Output_segment::has_dynamic_reloc): New function replacing
5745         dynamic_reloc_count.  Change all callers.
5746         (Output_segment::has_dynamic_reloc_list): New function replacing
5747         dynamic_reloc_count_list.  Change all callers.
5748         (Output_segment::set_section_addresses): Rewrite.
5749         (Output_segment::set_offset): Rewrite.
5750         (Output_segment::find_first_and_last_list): Remove.
5751         (Output_segment::set_tls_offsets): Rewrite.
5752         (Output_segment::first_section_load_address): Likewise.
5753         (Output_segment::output_section_count): Likewise.
5754         (Output_segment::section_with_lowest_load_address): Likewise.
5755         (Output_segment::write_section_headers): Likewise.
5756         (Output_segment::print_sections_to_map): Likewise.
5757         * output.h (class Output_data): Remove dynamic_reloc_count_
5758         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5759         (Output_data::add_dynamic_reloc): Rewrite.
5760         (Output_data::has_dynamic_reloc): New function.
5761         (Output_data::dynamic_reloc_count): Remove.
5762         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5763         is_last_relro_, is_first_non_relro_, is_interp_,
5764         is_dynamic_linker_section_ fields.  Add order and set_order
5765         functions.  Remove is_relro_local, set_is_relro_local,
5766         is_last_relro, set_is_last_relro, is_first_non_relro,
5767         set_is_first_non_relro functions, is_interp, set_is_interp,
5768         is_dynamic_linker_section, and set_is_dynamic_linker_section
5769         functions.
5770         (class Output_segment): Change Output_data_list from std::list to
5771         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5772         output_bss_ fields.  Update declarations.
5773
5774 2010-08-02  Ian Lance Taylor  <iant@google.com>
5775
5776         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5777         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5778         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5779
5780 2010-08-02  Ian Lance Taylor  <iant@google.com>
5781
5782         PR 11855
5783         * script.cc (Script_options::Script_options): Initialize
5784         symbol_definitions_ and symbol_references_.
5785         (Script_options::add_symbol_assignment): Update
5786         symbol_definitions_ and symbol_references_.
5787         (Script_options::add_symbol_reference): New function.
5788         (script_symbol): New function.
5789         * script.h (class Script_options): Add symbol_definitions_ and
5790         symbol_references_ fields.
5791         (Script_options::referenced_const_iterator): New type.
5792         (Script_options::referenced_begin): New function.
5793         (Script_options::referenced_end): New function.
5794         (Script_options::is_referenced): New function.
5795         (Script_options::any_unreferenced): New function.
5796         * script-c.h (script_symbol): Declare.
5797         * yyscript.y (exp): Call script_symbol.
5798         * symtab.cc: Include "script.h".
5799         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5800         Change all callers.  Check symbols referenced by scripts.
5801         (Symbol_table::add_undefined_symbols_from_command_line): Add
5802         layout parameter.  Change all callers.
5803         (Symbol_table::do_add_undefined_symbols_from_command_line):
5804         Likewise.  Break out loop body.  Check symbols referenced by
5805         scripts.
5806         (Symbol_table::add_undefined_symbol_from_command_line): New
5807         function broken out of
5808         do_add_undefined_symbols_from_command_line.
5809         * symtab.h (class Symbol_table): Update declarations.
5810         * archive.cc: Include "layout.h".
5811         (Archive::should_include_member): Add layout parameter.  Change
5812         all callers.  Check for symbol mentioned in expression.
5813         * archive.h (class Archive): Update declaration.
5814         * object.cc (Sized_relobj::do_should_include_member): Add layout
5815         parameter.
5816         * object.h (Object::should_include_member): Add layout parameter.
5817         Change all callers.
5818         (Object::do_should_include_member): Add layout parameter.
5819         (class Sized_relobj): Update declaration.
5820         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5821         parameter.
5822         * dynobj.h (class Sized_dynobj): Update declaration.
5823         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5824         layout parameter.
5825         * plugin.h (class Sized_pluginobj): Update declaration.
5826
5827 2010-08-02  Ian Lance Taylor  <iant@google.com>
5828
5829         PR 11866
5830         * output.cc (Output_segment::set_offset): Search for the first and
5831         last sections rather than assuming that the list is in order.
5832         (Output_segment::find_first_and_last_list): New function.
5833         * output.h (class Output_segment): Update declarations.
5834         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5835         (relro_strip_test_SOURCES): New variable.
5836         (relro_strip_test_DEPENDENCIES): New variable.
5837         (relro_strip_test_LDFLAGS): New variable.
5838         (relro_strip_test_LDADD): New variable.
5839         (relro_strip_test.so): New target.
5840
5841 2010-08-02  Ian Lance Taylor  <iant@google.com>
5842
5843         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5844         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5845         (Target_i386::got_tlsdesc_section): New function.
5846         (Target_i386::got_section): Create space for GOT entries for
5847         TLSDESC relocations.
5848         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5849         R_386_TLS_GOTDESC.
5850         (Target_i386::Scan::global): Likewise.
5851         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5852         using TLSDESC GOT.
5853         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5854         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5855         (Target_x86_64::got_tlsdesc_section): New function.
5856         (Target_x86_64::got_section): Create space for GOT entries for
5857         TLSDESC relocations.
5858         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5859         R_386_TLS_GOTDESC.
5860         (Target_x86_64::Scan::global): Likewise.
5861         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5862         using TLSDESC GOT.
5863
5864 2010-08-02  Ian Lance Taylor  <iant@google.com>
5865
5866         * testsuite/final_layout.sh: Use dc to convert from hex to
5867         decimal.
5868
5869 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5870
5871         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5872         paramter to the call to gold::gc_process_relocs.
5873         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5874         paramter to the call to gold::gc_process_relocs.
5875         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5876         parameter to the call to gold::gc_process_relocs.
5877         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5878         template parameter to the call to gold::gc_process_relocs.
5879         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5880         paramter to the call to gold::gc_process_relocs.
5881         * gc.h (get_embedded_addend_size): New function.
5882         (gc_process_relocs): Save the size of the reloc for use by ICF.
5883         * icf.cc (get_section_contents): Get the addend from the text section
5884         for SHT_REL relocation sections.
5885         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5886         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5887         * int_encoding.h (read_from_pointer): New overloaded function.
5888         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5889         * testsuite/icf_sht_rel_addend_test.sh: New file.
5890         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5891         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5892
5893 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5894
5895         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5896         * Makefile.in: Regenerate.
5897         * testsuite/Makefile.in: Regenerate.
5898
5899 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5900
5901         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5902         * gold/testsuite/debug_msg.cc: Likewise.
5903         * gold/testsuite/odr_violation1.cc
5904         * gold/testsuite/odr_violation2.cc
5905
5906 2010-07-21  Cary Coutant  <ccoutant@google.com>
5907
5908         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5909         string, and length fields.
5910         (Output_merge_string::Merged_strings_list): New type.
5911         (Output_merge_string::Merged_strings_lists): New typedef.
5912         (Output_merge_string): Replace merged_strings_ with
5913         merged_strings_lists_.
5914         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5915         Merged_strings_list per input object and section.  Don't store pointer
5916         to the string.  Don't store length with each merged string entry.
5917         (Output_merge_string::finalize_merged_data): Loop over list of merged
5918         strings lists.  Recompute length of each merged string.
5919
5920 2010-07-15  Cary Coutant  <ccoutant@google.com>
5921
5922         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5923         here.
5924
5925 2010-07-14  Ian Lance Taylor  <iant@google.com>
5926
5927         * descriptors.cc (Descriptors::open): Report correct name in error
5928         message.
5929
5930 2010-07-13  Doug Kwan  <dougkwan@google.com>
5931
5932         * arm.cc (Arm_input_section::Arm_input_section): For a
5933         SHT_ARM_EXIDX section, always keeps the input sections.
5934         (Arm_input_section::set_exidx_section_link): New method.
5935         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5936         has_errors_ to false.
5937         (Arm_exidx_input_section::has_errors,
5938         Arm_exidx_input_section::set_has_errors): New methods.
5939         (Arm_exidx_input_section::has_errors_): New data member.
5940         (Arm_relobj::get_exidx_shndx_list): New method.
5941         (Arm_output_section::append_text_sections_to_list): Do not skip
5942         section without SHF_EXECINSTR.
5943         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5944         errors.
5945         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5946         section header.  Make error messages more verbose.  Check for
5947         a non-executable section linked to an EXIDX section.
5948         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5949         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5950         check that there is no deferred EXIDX section if we exit early.
5951         Instead of not making an EXIDX section in case of an error, make one
5952         and set the has_errors flag of it.
5953         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5954         in a relocatable link.
5955         (Target_arm::do_relax): Look for the EXIDX output section instead of
5956         assuming that it is called .ARM.exidx.
5957         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5958         section list.  Do not check for SHF_EXECINSTR section flags but
5959         skip any input section with errors.
5960         * output.cc (Output_section::Output_section): Initialize
5961         always_keeps_input_sections_ to false.
5962         (Output_section::add_input_section): Check for
5963         always_keeps_input_sections_.
5964         *  output.h (Output_section::always_keeps_input_sections,
5965         Output_section::set_always_keeps_input_sections): New methods.
5966         (Output_section::always_keeps_input_sections): New data member.
5967
5968 2010-07-13  Rafael Espindola  <espindola@google.com>
5969
5970         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5971         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5972
5973 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5974             Ian Lance Taylor  <iant@google.com>
5975
5976         * output.h (Output_section_lookup_maps::add_merge_section):
5977         Correct check of whether value was inserted.
5978         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5979         (Output_section_lookup_maps::add_relaxed_input_section):
5980         Likewise.
5981         * arm.cc (Target_arm::got_section): Remove used local os.
5982         * i386.cc (Target_i386::got_section): Likewise.
5983         * x86_64.cc (Target_x86_64::got_section): Likewise.
5984         * sparc.cc (Target_sparc::got_section): Likewise.
5985         (Target_sparc::relocate): Remove unused local have_got_offset.
5986         * powerpc.cc (Target_powerpc::relocate): Likewise.
5987
5988 2010-07-13  Ian Lance Taylor  <iant@google.com>
5989
5990         * compressed_output.cc (zlib_decompress): Fix signature in
5991         !HAVE_ZLIB_H case.
5992
5993         * archive.cc (Archive::include_member): Unlock an external member
5994         of a thin archive.  Don't bother to delete an object we know is
5995         NULL.
5996
5997 2010-07-12  Cary Coutant  <ccoutant@google.com>
5998
5999         * compressed_output.cc (zlib_decompress): New function.
6000         (get_uncompressed_size): New function.
6001         (decompress_input_section): New function.
6002         * compressed_output.h (get_uncompressed_size): New function.
6003         (decompress_input_section): New function.
6004         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6005         Handle compressed debug sections.
6006         * layout.cc (is_compressed_debug_section): New function.
6007         (Layout::output_section_name): Map compressed section names to
6008         canonical names.
6009         * layout.h (is_compressed_debug_section): New function.
6010         (is_debug_info_section): Recognize compressed debug sections.
6011         * merge.cc: Include compressed_output.h.
6012         (Output_merge_data::do_add_input_section): Handle compressed
6013         debug sections.
6014         (Output_merge_string::do_add_input_section): Handle compressed
6015         debug sections.
6016         * object.cc: Include compressed_output.h.
6017         (Sized_relobj::Sized_relobj): Initialize new data members.
6018         (build_compressed_section_map): New function.
6019         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6020         * object.h (Object::section_is_compressed): New method.
6021         (Object::do_section_is_compressed): New method.
6022         (Sized_relobj::Compressed_section_map): New type.
6023         (Sized_relobj::do_section_is_compressed): New method.
6024         (Sized_relobj::compressed_sections_): New data member.
6025         * output.cc (Output_section::add_input_section): Handle compressed
6026         debug sections.
6027         * reloc.cc: Include compressed_output.h.
6028         (Sized_relobj::write_sections): Handle compressed debug sections.
6029
6030 2010-07-08  Cary Coutant  <ccoutant@google.com>
6031
6032         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6033         weak when resolving to a dynamic def.
6034         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6035         for weak undef/dynamic def cases. Adjust callers.
6036         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6037         undef_binding_weak_.
6038         (Symbol_table::sized_write_globals): Adjust symbol binding.
6039         (Symbol_table::sized_write_symbol): Add binding parameter.
6040         * symtab.h (Symbol::set_undef_binding): New method.
6041         (Symbol::is_undef_binding_weak): New method.
6042         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6043         (Symbol_table::should_override): Add new parameter.
6044         (Symbol_table::sized_write_symbol): Add new parameter.
6045
6046         * testsuite/weak_undef_file1.cc: Add new test case.
6047         * testsuite/weak_undef_file2.cc: Fix header comment.
6048         * testsuite/weak_undef_test.cc: Add new test case.
6049
6050 2010-06-29  Doug Kwan  <dougkwan@google.com>
6051
6052         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6053         Initialize USE_SYMBOL_.
6054         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6055         definition.
6056         (Arm_reloc_property::uses_symbol_): New data member declaration.
6057         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6058         uses symbol value and symbol is undefined but not weakly undefined.
6059
6060 2010-06-28  Rafael Espindola  <espindola@google.com>
6061
6062         * plugin.cc (Plugin::load): Use dlerror.
6063
6064 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6065
6066         * symtab.cc (detect_odr_violations): When reporting an ODR
6067         violation, report an object where the symbol is defined.
6068
6069 2010-06-25  Doug Kwan  <dougkwan@google.com>
6070
6071         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6072         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6073         definition.
6074         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6075         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6076         target hook to detect function points.
6077         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6078         * icf.h (Icf::check_section_for_function_pointers): Change type of
6079         parameter SECTION_NAME to const reference to std::string.  Use
6080         target hook to determine if section may have unsafe pointers.
6081         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6082         method definition.
6083
6084 2010-06-21  Rafael Espindola  <espindola@google.com>
6085
6086         * fileread.cc (Input_file::find_fie): New
6087         (Input_file::open): Use Input_file::find_fie.
6088         * fileread.h (Input_file::find_fie): New
6089         * plugin.cc (set_extra_library_path): New.
6090         (Plugin::load): Add set_extra_library_path to the transfer vector.
6091         (Plugin_manager::set_extra_library_path): New.
6092         (Plugin_manager::add_input_file): Use the extra search path if set.
6093         (set_extra_library_path(): New.
6094         * plugin.h (Plugin_manager): Add set_extra_library_path and
6095         extra_search_path_.
6096
6097 2010-06-19  Cary Coutant  <ccoutant@google.com>
6098
6099         * layout.cc (gdb_sections): Add .debug_types.
6100         (lines_only_debug_sections): Likewise.
6101
6102 2010-06-18  Rafael Espindola  <espindola@google.com>
6103
6104         * plugin.cc (add_input_file,add_input_library)
6105         (Plugin_manager::add_input_file): Make filename arguments const.
6106         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6107         const.
6108
6109 2010-06-16  Doug Kwan  <dougkwan@google.com>
6110
6111         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6112         .ARM.attributes section if we have not merged any input
6113         attributes sections.
6114
6115 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6116
6117         * arm.cc: Allow combining objects with no EABI version
6118         information.
6119
6120 2010-06-15  Rafael Espindola  <espindola@google.com>
6121
6122         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6123
6124 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6125
6126         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6127         (struct iovec): Correct !HAVE_READV definition.
6128
6129 2010-06-10  Cary Coutant  <ccoutant@google.com>
6130
6131         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6132         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6133         reloc sections.
6134         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6135
6136         PR 11683
6137         * symtab.h (Symbol::is_placeholder): New member function.
6138         * target-reloc.h (relocate_section): Check for placeholder symbols.
6139
6140         * testsuite/Makefile.am (plugin_test_8): New test.
6141         (plugin_test_9): New test.
6142         * testsuite/Makefile.in: Regenerate.
6143
6144 2010-06-09  Nick Clifton  <nickc@redhat.com>
6145
6146         * yyscript.y (input_list_element): Allow strings prefixed with
6147         the '-' character.  Treat these as libraries.
6148         * script.cc (script_add_library): New function.  Adds a library
6149         specified by "-l<name>" found in an input script.
6150         * script-c.h: Add prototype for script_add_library.
6151
6152 2010-06-07  Doug Kwan  <dougkwan@google.com>
6153
6154         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6155         Restrict stub-group size to be within long conditional branch
6156         range when working around cortex-A8 erratum.
6157
6158 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6159
6160         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6161         #ifdef typo.
6162
6163 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6164
6165         PR gold/11658
6166         * output.cc
6167         (Output_section::Input_section_sort_entry::compare_section_ordering):
6168         Change to return non-zero correctly.
6169         (Output_section::Input_section_sort_section_order_index_compare
6170         ::operator()): Change to fix ambiguity in comparisons.
6171
6172 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6173
6174         * gold.h (is_wildcard_string): New function.
6175         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6176         (Layout::layout_eh_frame): Ditto.
6177         (Layout::find_section_order_index): New method.
6178         (Layout::read_layout_from_file): New method.
6179         * layout.h (Layout::find_section_order_index): New method.
6180         (Layout::read_layout_from_file): New method.
6181         (Layout::input_section_position_): New private member.
6182         (Layout::input_section_glob_): New private member.
6183         * main.cc (main): Call read_layout_from_file here.
6184         * options.h (--section-ordering-file): New option.
6185         * output.cc (Output_section::input_section_order_specified_): New
6186         member.
6187         (Output_section::Output_section): Initialize new member.
6188         (Output_section::add_input_section): Add new parameter.
6189         Keep input sections when --section-ordering-file is used.
6190         (Output_section::set_final_data_size): Sort input sections when
6191         section ordering file is specified.
6192         (Output_section::Input_section_sort_entry): Add new parameter.
6193         Check sorting type.
6194         (Output_section::Input_section_sort_entry::compare_section_ordering):
6195         New method.
6196         (Output_section::Input_section_sort_compare::operator()): Change to
6197         consider section_order_index.
6198         (Output_section::Input_section_sort_init_fini_compare::operator()):
6199         Change to consider section_order_index.
6200         (Output_section::Input_section_sort_section_order_index_compare
6201         ::operator()): New method.
6202         (Output_section::sort_attached_input_sections): Change to sort
6203         according to section order when specified.
6204         (Output_section::add_input_section<32, true>): Add new parameter.
6205         (Output_section::add_input_section<64, true>): Add new parameter.
6206         (Output_section::add_input_section<32, false>): Add new parameter.
6207         (Output_section::add_input_section<64, false>): Add new parameter.
6208         * output.h (Output_section::add_input_section): Add new parameter.
6209         (Output_section::input_section_order_specified): New
6210         method.
6211         (Output_section::set_input_section_order_specified): New method.
6212         (Input_section::Input_section): Initialize section_order_index_.
6213         (Input_section::section_order_index): New method.
6214         (Input_section::set_section_order_index): New method.
6215         (Input_section::section_order_index_): New member.
6216         (Input_section::Input_section_sort_section_order_index_compare): New
6217         struct.
6218         (Output_section::input_section_order_specified_): New member.
6219         * script-sections.cc (is_wildcard_string): Delete and move modified
6220         method to gold.h.
6221         (Output_section_element_input::Output_section_element_input): Modify
6222         call to is_wildcard_string.
6223         (Output_section_element_input::Input_section_pattern
6224         ::Input_section_pattern): Ditto.
6225         (Output_section_element_input::Output_section_element_input): Ditto.
6226         * testsuite/Makefile.am (final_layout): New test case.
6227         * testsuite/Makefile.in: Regenerate.
6228         * testsuite/final_layout.cc: New file.
6229         * testsuite/final_layout.sh: New file.
6230
6231 2010-06-01  Rafael Espindola  <espindola@google.com>
6232
6233         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6234
6235 2010-06-01  Rafael Espindola  <espindola@google.com>
6236
6237         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6238         visibility of symbols.
6239
6240 2010-05-27  Doug Kwan  <dougkwan@google.com>
6241
6242         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6243         from start of output section instead of address for a local symbol
6244         in a merged or relaxed section when doing a relocatable link.
6245
6246 2010-05-26  Rafael Espindola  <espindola@google.com>
6247
6248         PR 11604
6249         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6250         adding sections the garbage collector removed.
6251         * gold/testsuite/Makefile.am: Add test.
6252         * gold/testsuite/Makefile.in: Regenerate.
6253         * gold/testsuite/plugin_test_7.sh: New.
6254         * gold/testsuite/plugin_test_7_1.c: New.
6255         * gold/testsuite/plugin_test_7_2.c: New.
6256
6257 2010-05-26  Rafael Espindola  <espindola@google.com>
6258
6259         * script-sections.cc (Output_section_definition::set_section_addresses):
6260         Check for --section-start.
6261
6262 2010-05-26  Doug Kwan  <dougkwan@google.com>
6263
6264         * arm.cc (Arm_scan_relocatable_relocs): New class.
6265         (Target_arm::relocate_special_relocatable): New method.
6266         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6267         (Arm_relocate_functions::thumb_branch_common): Same.
6268         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6269         instead of Default_scan_relocatable_relocs.
6270         * target-reloc.h (relocate_for_relocatable): Let target handle
6271         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6272         * target.h (Sized_target::relocate_special_relocatable): New method.
6273
6274 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6275
6276         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6277
6278 2010-05-23  Doug Kwan  <dougkwan@google.com>
6279
6280         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6281         instead of a cast.
6282         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6283         with a direct branch, not a conditional branch, to a stub.
6284         * merge.cc (Output_merge_base::record_input_section): New method
6285         defintion.
6286         (Output_merge_data::do_add_input_section): Record input section if
6287         keeps-input-sections flag is set.
6288         (Output_merge_string::do_add_input_section): Ditto.
6289         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6290         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6291         INPUT_SECTIONS_.
6292         (Output_merge_base::keeps_input_sections,
6293         Output_merge_base::set_keeps_input_sections,
6294         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6295         method definitions.
6296         (Output_merge_base::Input_sections): New type declaration.
6297         (Output_merge_base::input_sections_begin,
6298         Output_merge_base::input_sections_end,
6299         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6300         (Output_merge_base::bool keeps_input_sections_,
6301         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6302         Output_merge_base::input_sections_): New data members.
6303         (Output_merge_data::do_set_keeps_input_sections): New method
6304         defintion.
6305         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6306         * output.cc (Output_section::Input_section::relobj): Move method
6307         defintion from class declaration to here and handle merge sections.
6308         (Output_section::Input_section::shndx): Ditto.
6309         (Output_section::Output_section): Remove initializations of removed
6310         data members and initialize new data member LOOKUP_MAPS_.
6311         (Output_section::add_input_section): Set keeps-input-sections flag
6312         for a newly created merge output section as appropriate.  Adjust code
6313         to use Output_section_lookup_maps class.
6314         (Output_section::add_relaxed_input_section): Adjst code for lookup
6315         maps code refactoring.
6316         (Output_section::add_merge_input_section): Add a new parameter
6317         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6318         class.  If adding input section to a newly created merge output
6319         section fails, remove the new merge section.
6320         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6321         Adjust code for use of the Output_section_lookup_maps class.
6322         (Output_section::find_merge_section): Ditto.
6323         (Output_section::build_lookup_maps): New method defintion.
6324         (Output_section::find_relaxed_input_section): Adjust code to use
6325         Output_section_lookup_maps class.
6326         (Output_section::get_input_sections): Export merge sections.  Adjust
6327         code to use Output_section_lookup_maps class.
6328         (Output_section:::add_script_input_section): Adjust code to use
6329         Output_section_lookup_maps class.  Update lookup maps for merge
6330         sections also.
6331         (Output_section::discard_states): Use Output_section_lookup_maps.
6332         (Output_section::restore_states): Same.
6333         * output.h (Merge_section_properties): Move class defintion out of
6334         Output_section.
6335         (Output_section_lookup_maps): New class.
6336         (Output_section::Input_section::is_merge_section): New method
6337         defintion.
6338         (Output_section::Input_section::relobj): Move defintion out of class
6339         defintion.  Declare method only.
6340         (Output_section::Input_section::shndx): Ditto.
6341         (Output_section::Input_section::output_merge_base): New method defintion.
6342         (Output_section::Input_section::u2_.pomb): New union field.
6343         (Output_section::Merge_section_by_properties_map,
6344         Output_section::Output_section_data_by_input_section_map,
6345         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6346         Remove types.
6347         (Output_section::add_merge_input_section): Add new parameter
6348         KEEPS_INPUT_SECTIONS.
6349         (Output_section::build_lookup_maps): New method declaration.
6350         (Output_section::merge_section_map_,
6351         Output_section::merge_section_by_properties_map_,
6352         Output_section::relaxed_input_section_map_,
6353         Output_section::is_relaxed_input_section_map_valid_): Remove data
6354         members.
6355         (Output_section::lookup_maps_): New data member.
6356
6357 2010-05-21  Doug Kwan  <dougkwan@google.com>
6358
6359         PR gold/11619
6360         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6361         avoid a compilation error.
6362
6363 2010-05-19  Rafael Espindola  <espindola@google.com>
6364
6365         * script-sections.cc (Output_section_definition::allocate_to_segment):
6366         Update the phdrs_list even when the output section is NULL.
6367         * testsuite/Makefile.am: Add test.
6368         * testsuite/Makefile.in: Regenerate.
6369         * testsuite/script_test_9.cc: New.
6370         * testsuite/script_test_9.sh: New.
6371         * testsuite/script_test_9.t: New.
6372
6373 2010-05-19  Doug Kwan  <dougkwan@google.com>
6374
6375         * arm.cc (Arm_input_section::original_size): New method.
6376         (Arm_input_section::do_addralign): Add a cast.
6377         (Arm_input_section::do_output_offset): Remove static cast.
6378         (Arm_input_section::original_addralign,
6379          Arm_input_section::original_size_): Change type to uint32_t.
6380         (Arm_input_section::init): Add safe casts for section alignment
6381         and size.
6382         (Arm_input_section::set_final_data_size): Do not set address and
6383         offset of stub table.
6384         (Arm_output_section::fix_exidx_coverage): Change use of of
6385         Output_section::Simple_input_section to that of
6386         Output_section::Input_section.
6387         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6388         except for the first pass.
6389         * output.cc (Output_section::get_input_sections): Change type of
6390         input_sections to std::list<Input_section>.
6391         (Output_section::add_script_input_section): Rename from
6392         Output_section::add_simple_input_section.  Change type of SIS
6393         parameter from Simple_input_section to Input_section.
6394         * output.h (Output_section::Simple_input_section): Remove class.
6395         (Output_section::Input_section): Change class visibility to public.
6396         (Output_section::Input_section::addralign): Use stored alignments
6397         for special input sections if set.
6398         (Output_section::Input_section::set_addralign): New method.
6399         (Output_section::get_input_sections): Change parameter type from
6400         list of Simple_input_section to list of Input_section.
6401         (Output_section::add_script_input_section): Rename from
6402         Output_section::add_simple_input_section. Change first parameter's
6403         type from Simple_input_section to Input_section and remove the
6404         second and third parameters.
6405         * script-sections.cc (Input_section::Input_section_list): Change
6406         type to list of Output_section::Input_section/
6407         (Input_section_info::Input_section_info): Change parameter type of
6408         INPUT_SECTION to Output_section::Input_section.
6409         (Input_section_info::input_section): Change return type.
6410         (Input_section_info::input_section_): Change type to
6411         Output_section::Input_section.
6412         (Output_section_element_input::set_section_addresses): Adjust code
6413         to use Output_section::Input_section instead of
6414         Output_section::Simple_input_section.  Adjust code for renaming
6415         of Output_section::add_simple_input_section.
6416         (Orphan_output_section::set_section_addresses): Ditto.
6417
6418 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6419
6420         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6421         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6422
6423 2010-05-18  Rafael Espindola  <espindola@google.com>
6424
6425         * options.cc (General_options::finalize): Handle -nostdlib.
6426         * options.h (nostdlib): New option.
6427         * script.cc (script_add_search_dir): Handle -nostdlib.
6428
6429 2010-05-12  Doug Kwan  <dougkwan@google.com>
6430
6431         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6432         attributes section only if there no attributes section after merging.
6433         (Target_arm::merge_object_attributes): Move value of
6434         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6435         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6436         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6437         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6438         and arm_attr_merge_7.stdout.
6439         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6440         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6441         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6442         arm_attr_merge_7b.o): New rules.
6443         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6444         arm_attr_merge_7
6445         * testsuite/Makefile.in: Regenerate.
6446         * testsuite/arm_attr_merge.sh: New file.
6447         * testsuite/arm_attr_merge_[67][ab].s: Same.
6448
6449 2010-05-05  Nick Clifton  <nickc@redhat.com>
6450
6451         * po/es.po: Updated Spanish translation.
6452
6453 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6454
6455         * Makefile.am (install-exec-local): Properly install gold as
6456         default cross linker.
6457         * Makefile.in: Regenerated.
6458
6459 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6460             Nick Clifton  <nickc@redhat.com>
6461
6462         * configure.ac (install_as_default): Define and set to false
6463         unless --enable-gold or --enable-gold=both/gold has been
6464         specified.
6465         * configure: Regenerate.
6466
6467         * Makefile.am (install-exec-local): Install the executable as
6468         'ld.gold'.  If install_as_default is true then also install it as
6469         'ld'.
6470         * Makefile.in: Regenerated.
6471
6472 2010-04-24  Ian Lance Taylor  <iant@google.com>
6473
6474         * layout.cc (Layout::layout_reloc): In relocatable link don't
6475         combine reloc sections for grouped sections.
6476
6477 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6478
6479         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6480         sections that are not ordinary to icf.
6481         * icf.cc (get_section_contents): Handle relocation pointing to section
6482         with no object or shndx information.
6483         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6484         * testsuite/Makefile.in: Regenerate.
6485         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6486         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6487
6488 2010-04-22  Ian Lance Taylor  <iant@google.com>
6489
6490         * expression.cc (Expression::Expression_eval_info): Add
6491         result_alignment_pointer field.
6492         (Expression::eval_with_dot): Add result_alignment_pointer
6493         parameter.  Change all callers.
6494         (Expression::eval_maybe_dot): Likewise.
6495         (class Binary_expression): Add alignment_pointer parameter to
6496         left_value and right_value.  Change all callers.
6497         (BINARY_EXPRESSION): Set result alignment.
6498         (class Trinary_expression): Add alignment_pointer parameter to
6499         arg2_value and arg3_value.  Change all callers.
6500         (Trinary_cond::value): Set result alignment.
6501         (Max_expression::value, Min_expression::value): Likewise.
6502         (Align_expression::value): Likewise.
6503         * script-sections.cc (class Sections_element): Add dot_alignment
6504         parameter to set_section_addresses virtual function.  Update
6505         instantiations.
6506         (class Output_section_element): Likewise.
6507         (Script_sections::create_segments): Add dot_alignment parameter.
6508         Change all callers.
6509         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6510         (Script_sections::set_phdrs_clause_addresses): Likewise.
6511         * script-sections.h: Update declarations.
6512         * script.h: Update declarations.
6513         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6514         min_p_align.
6515         * testsuite/script_test_3.t: Set large alignment.
6516         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6517         segment has expected alignment.
6518
6519 2010-04-22  Nick Clifton  <nickc@redhat.com>
6520
6521         * po/gold.pot: Updated by the Translation project.
6522         * po/vi.po: Updated Vietnamese translation.
6523
6524 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6525
6526         * testsuite/Makefile.am (check_PROGRAMS): Add
6527         icf_virtual_function_folding_test.
6528         * testsuite/Makefile.in: Regenerated.
6529
6530 2010-04-15  Andrew Haley  <aph@redhat.com>
6531
6532         * options.h (merge_exidx_entries): New option.
6533         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6534         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6535         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6536         (Target_arm::merge_exidx_entries): New function.
6537         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6538         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6539         to Arm_exidx_fixup constructor.
6540         Add new arg, merge_exidx_entries.
6541         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6542         Arm_output_section::fix_exidx_coverage.
6543
6544 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6545
6546         * icf.cc (get_section_contents): Check for preemptible functions.
6547         Ignore addend when appropriate.
6548         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6549         section folded.
6550         (add_from_relobj): Check for section folded.
6551         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6552         * symtab.h (should_add_dynsym_entry): Add new parameter.
6553         * target-reloc.h (scan_relocs): Check for section folded.
6554         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6555         Check reloc types for function pointers in shared objects.
6556         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6557         case.
6558         (icf_preemptible_functions_test): New test case.
6559         (icf_string_merge_test): New test case.
6560         * testsuite.Makefile.in: Regenerate.
6561         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6562         bar_glob.  Refactor code.
6563         * testsuite/icf_preemptible_functions_test.cc: New file.
6564         * testsuite/icf_preemptible_functions_test.sh: New file.
6565         * testsuite/icf_string_merge_test.cc: New file.
6566         * testsuite/icf_string_merge_test.sh: New file.
6567         * testsuite/icf_virtual_function_folding_test.cc: New file.
6568         * testsuite/icf_virtual_function_folding_test.sh: New file.
6569
6570 2010-04-14  Doug Kwan  <dougkwan@google.com>
6571
6572         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6573         for local symbol recounting if we remove a section due to ICF.
6574         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6575         there are no regular objects in input.
6576
6577 2010-04-13  Doug Kwan  <dougkwan@google.com>
6578
6579         * arm.cc (Arm_input_section::set_final_data_size): Compute
6580         accurate final data size instead of using current data size.
6581
6582 2010-04-09  Doug Kwan  <dougkwan@google.com>
6583
6584         * layout.cc (Layout::choose_output_section): Handle script section
6585         types.
6586         (Layout::make_output_section_for_script): Add section type parameter.
6587         Handle script section types.
6588         * layout.h (Layout::make_output_section_for_script): Add section
6589         type parameter.
6590         * output.cc (Output_section::Output_section): Initialize data member
6591         is_noload_.
6592         (Output_section::do_reset_address_and_file_offset): Do not set address
6593         to 0 if section is a NOLOAD section.
6594         * output.h (Output_section::is_noload): New method.
6595         (Output_section::set_is_noload): Ditto.
6596         (Output_section::is_noload_): New data member.
6597         * script-c.h (Script_section_type): New enum type.
6598         (struct Parser_output_section_header): Add new file section_type.
6599         * script-sections.cc (Sections_element::output_section_name): Add
6600         parameter for returning script section type.
6601         (Output_section_definition::output_section_name): Ditto.
6602         (Output_section_definition::section_type)P; New method.
6603         (Output_section_definiton::script_section_type_name): Ditto.
6604         (Output_section_definition::script_section_type_): New data member.
6605         (Output_section_definition::Output_section_definition): Initialize
6606         data member Output_section_definition::script_section_type_.
6607         (Output_section_definition::create_sections): Pass script section type
6608         to Layout::make_output_section_for_script.
6609         (Output_section_definition::output_section_name): Return script
6610         section type to caller.
6611         (Output_section_definition::set_section_address): Do not advance
6612         dot value and load address if section type is NOLOAD.  Set address
6613         of NOLOAD sections regardless of section flags.
6614         (Output_section_definition::print): Print section type if it is
6615         not SCRIPT_SECTION_TYPE_NONE.
6616         (Output_section_definition::section_type): New method.
6617         (Output_section_definition::script_section_type_name): Ditto.
6618         (Script_sections::output_section_name): Add new parameter
6619         PSECTION_TYPE for returning script section type.  Pass it to
6620         section elements.  Handle discard sections.
6621         (Sort_output_sections::operator()): Handle NOLOAD sections.
6622         * script-sections.h (Script_sections::Section_type): New enum type.
6623         (Script_sections::output_section_name): Add a new parameter for
6624         returning script section type.
6625         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6626         INFO and NOLOAD.
6627         * yyscript.y (union): Add new field SECTION_TYPE.
6628         (COPY, DSECT, INFO, NOLOAD): New tokens.
6629         (opt_address_and_section_type): Change type to output_section_header.
6630         (section_type): New non-terminal
6631         (section_header): Handle section type.
6632         (opt_address_and_section_type): Return section type value.
6633
6634 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6635
6636         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6637         * testsuite/plugin_common_test_2.c (foo): Likewise.
6638
6639 2010-04-08  Doug Kwan  <dougkwan@google.com>
6640
6641         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6642         Output_merge_data.
6643         * output.cc (Output_section::add_merge_input_section): Simplify
6644         code and return status of Output_merge_base::add_input_section.
6645         Update merge section map only if Output_merge_base::add_input_section
6646         returns true.
6647
6648 2010-04-07  Doug Kwan  <dougkwan@google.com>
6649
6650         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6651         if section is marked as containing instructions but has no mapping
6652         symbols.
6653         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6654         correct section index.
6655         (Arm_relobj::find_linked_text_section): Ditto.
6656
6657 2010-04-07  Cary Coutant  <ccoutant@google.com>
6658
6659         * archive.cc (include_member): Destroy Read_symbols_data object before
6660         releasing file.
6661         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6662         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6663         (Read_symbols_data::~Read_symbols_data) New destructor.
6664         (Section_relocs::Section_relocs) New constructor.
6665         (Section_relocs::~Section_relocs) New destructor.
6666         (Read_relocs_data::Read_relocs_data) New constructor.
6667         (Read_relocs_data::~Read_relocs_data) New destructor.
6668         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6669         pointers to NULL after deleting.
6670
6671 2010-04-07  Doug Kwan  <dougkwan@google.com>
6672
6673         * arm.cc: Replace "endianity" with "endianness" in comments.
6674         (Arm_exidx_cantunwind): Ditto.
6675         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6676         (Arm_relobj::merge_flags_and_attributes): New method.
6677         (Arm_relobj::merge_flags_and_attributes_): New data member.
6678         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6679         (Arm_relobj::scan_sections_for_stubs): Ditto.
6680         (Arm_relobj::do_read_symbols): Check to see if we really want to
6681         merge processor-specific flags and attributes.  Exit early if
6682         an object is empty except for section names and the undefined symbol.
6683         (Target_arm::do_finalize_sections): Move check for ELF format to
6684         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6685         attributes from a regular object only when we have determined that
6686         it is aapropriate.  Do not create an .ARM.attributes section in
6687         output if there is no regular input object.
6688         (Target_arm::merge_processor_specific_flags): Check
6689         --warn-mismatch before printing any error.
6690         (Target_arm::merge_object_attributes): Ditto.
6691         * gold.cc (queue_middle_tasks): Handle the case in which there is
6692         no regular object in input.
6693         * options.cc (General_options::parse_EB): New method.
6694         (General_options::parse_EL): Same.
6695         (General_options::General_options): Initialize endianness_.
6696         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6697         New options.
6698         (General_options::Endianness): New enum.
6699         (General_options::endianness): New method.
6700         (General_options::endianness_): New data member.
6701         * parameters.cc (Parameters::set_options): Check target endianness.
6702         (Parameters::set_target_once): Ditto.
6703         (Parameters::check_target_endianness): New method.
6704         (parameters_force_valid_target): If either -EL or -EB is specified,
6705         use it to define endianness of default target.
6706         * parameters.h (Parameters::check_target_endianness): New method
6707         declaration.
6708         * target.h (class Target): Change "endianity" to "endianness"
6709         in comments.
6710
6711 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6712
6713         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6714         * configure: Regenerate.
6715         * Makefile.in: Regenerate.
6716         * testsuite/Makefile.in: Regenerate.
6717
6718 2010-04-06  Cary Coutant  <ccoutant@google.com>
6719
6720         gcc PR lto/42757
6721         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6722         prevailing definitions of common symbols.
6723         * testsuite/plugin_test_6.sh: New test case.
6724         * testsuite/plugin_common_test_1.c: New test case.
6725         * testsuite/plugin_common_test_2.c: New test case.
6726         * testsuite/Makefile.am (plugin_test_6): New test case.
6727         * testsuite/Makefile.in: Regenerate.
6728
6729 2010-04-06  Nick Clifton  <nickc@redhat.com>
6730
6731         * po/vi.po: New Vietnamese translation.
6732
6733 2010-03-30  Doug Kwan  <dougkwan@google.com>
6734
6735         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6736
6737 2010-03-25  Doug Kwan  <dougkwan@google.com>
6738
6739         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6740         to avoid a conversion warning on a 32-bit host.
6741
6742 2010-03-24  Ian Lance Taylor  <iant@google.com>
6743
6744         * testsuite/script_test_3.t: Add a TLS segment.
6745         * testsuite/Makefile.am (check_PROGRAMS): Add
6746         tls_phdrs_script_test.
6747         (tls_phdrs_script_test_SOURCES): Define.
6748         (tls_phdrs_script_test_DEPENDENCIES): Define.
6749         (tls_phdrs_script_test_LDFLAGS): Define.
6750         (tls_phdrs_script_test_LDADD): Define.
6751         * testsuite/Makefile.in: Rebuild.
6752
6753 2010-03-23  Cary Coutant  <ccoutant@google.com>
6754
6755         * fileread.cc (find_or_make_view): Fix comment.
6756
6757 2010-03-23  Ian Lance Taylor  <iant@google.com>
6758
6759         * script-sections.cc (class Orphan_section_placement): Define
6760         PLACE_TLS and PLACE_TLS_BSS.
6761         (Orphan_section_placement::Orphan_section_placement): Initialize
6762         new places.
6763         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6764         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6765         (tls_script_test_SOURCES): Define.
6766         (tls_script_test_DEPENDENCIES): Define.
6767         (tls_script_test_LDFLAGS): Define.
6768         (tls_script_test_LDADD): Define.
6769         * testsuite/Makefile.in: Rebuild.
6770
6771 2010-03-22  Doug Kwan  <dougkwan@google.com>
6772
6773         * arm.cc (Arm_relocate_functions::abs8,
6774         Arm_relocate_functions::abs16): Use correct check for overflow
6775         specified in the ARM ELF specs.
6776         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6777         target of a BLX instruction specially.
6778         (Reloc_stub::stub_type_for_reloc): Ditto.
6779         (Relocate::relocate): Use symbolic names instead of numeric relocation
6780         codes to report error.
6781         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6782         workaround.
6783         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6784         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6785         thumb2_blx_out_of_range.stdout
6786         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6787         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6788         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6789         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6790         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6791         thumb2_blx_in_range, thumb2_blx_in_range.o,
6792         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6793         thumb2_blx_out_of_range.o): New rules.
6794         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6795         thumb2_blx_in_range and thumb2_blx_out_of_range.
6796         * testsuite/Makefile.in: Regenerate.
6797         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6798         * testsuite/thumb_blx_in_range.s: New file.
6799         * testsuite/thumb_blx_out_of_range.s: New file.
6800
6801 2010-03-22  Rafael Espindola  <espindola@google.com>
6802
6803         * archive.cc (Should_include): Move to archive.h.
6804         (should_include_member): Make it a member of Archive.
6805         (Lib_group): New.
6806         (Add_lib_group_symbols): New.
6807         * archive.h: Include options.h.
6808         (Archive_member): Moved from Archive.
6809         (Should_include): Moved from archive.cc.
6810         (Lib_group): New.
6811         (Add_lib_group_symbols): New.
6812         * dynobj.cc (do_should_include_member): New.
6813         * dynobj.h (do_should_include_member): New.
6814         * gold.cc (queue_initial_tasks): Update call to queue.
6815         * main.cc (main): Print lib group stats.
6816         * object.cc (do_should_include_member): New.
6817         * object.h: Include archive.h.
6818         (Object::should_include_member): New.
6819         (Object::do_should_include_member): New.
6820         (Sized_relobj::do_should_include_member): New.
6821         * options.cc (General_options::parse_start_lib): New.
6822         (General_options::parse_end_lib): New.
6823         (Input_arguments::add_file): Handle lib groups.
6824         (Input_arguments::start_group): Check we are not in a lib.
6825         (Input_arguments::start_lib): New.
6826         (Input_arguments::end_lib): New.
6827         * options.h (General_options): Add start_lib and end_lib.
6828         (Input_argument::lib_): New.
6829         (Input_argument::lib): New.
6830         (Input_argument::is_lib): New.
6831         (Input_file_lib): New.
6832         (Input_arguments::in_lib_): New.
6833         (Input_arguments::in_lib): New.
6834         (Input_arguments::start_lib): New.
6835         (Input_arguments::end_lib_): New.
6836         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6837         in unused members as preempted.
6838         (Sized_pluginobj::do_should_include_member): New.
6839         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6840         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6841         return the blocker.
6842         (Read_symbols::do_whole_lib_group): New.
6843         (Read_symbols::do_lib_group): New.
6844         (Read_symbols::do_read_symbols): Handle lib groups.
6845         (Read_symbols::get_name): Handle lib groups.
6846         * readsyms.h (Read_symbols): Add an archive member pointer.
6847         (Read_symbols::do_whole_lib_group): New.
6848         (Read_symbols::do_lib_group): New.
6849         (Read_symbols::member_): New.
6850         * script.cc (read_input_script): Update call to queue_soon.
6851
6852 2010-03-19  Doug Kwan  <dougkwan@google.com>
6853
6854         * arm.cc (Stub_table::Stub_table): Initialize new data members
6855         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6856         (Stub_table::add_reloc_stub): Assign stub offset and update
6857         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6858         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6859         New data members.
6860         (Stub_table::update_data_size_and_addralign): Use
6861         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6862         instead of going over all reloc stubs.
6863         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6864         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6865         Stringpool_template::offset_ to size of Stringpool_char.
6866         (Stringpool_template::new_key_offset): Remove code to initialize
6867         Stringpool_template::offset_.
6868         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6869         Stringpool_template::offset_ to zero.
6870
6871 2010-03-15  Doug Kwan  <dougkwan@google.com>
6872
6873         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6874         offset_.
6875         (Stringpool_template::new_key_offset): New method.
6876         (Stringpool_template::add_string): Assign offsets when adding new
6877         strings.
6878         (Stringpool_template::set_string_offsets): Do not set string offsets
6879         when not optimizing.
6880         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6881         member size_.
6882         (Chunked_vector::clear): Clear size_.
6883         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6884         (Chunked_vector::size): Return size_.
6885         (Chunked_vector::push_back): Use size_ to find insert position.
6886         (Chunked_vector::size_): New data member.
6887         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6888         (Stringpool_template::new_key_offset): New method declaration.
6889         (Stringpool_template::offset_): New data member.
6890
6891 2010-03-15   Rafael Espindola  <espindola@google.com>
6892
6893         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6894         Add_symbols' constructor.
6895         * readsyms.h (Add_symbols): Remove the input_group member.
6896
6897 2010-03-10  Ian Lance Taylor  <iant@google.com>
6898
6899         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6900         target to ask whether a reference to a symbol requires a stack
6901         split.
6902         * target.h (Target::is_call_to_non_split): New function.
6903         (Target::do_is_call_to_non_split): Declare virtual function.
6904         * target.cc: Include "symtab.h".
6905         (Target::do_is_call_to_non_split): New function.
6906         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6907
6908 2010-03-10  Cary Coutant  <ccoutant@google.com>
6909
6910         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6911         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6912         (File_read::open[2]): Add whole_file_view_ to list of views.
6913         (File_read::make_view): Remove test of whole_file_view_.
6914         (File_read::find_or_make_view): Create whole_file_view_ if
6915         necessary.
6916         (File_read::clear_views): Replace bool parameter with enum;
6917         adjust all callers.  Don't delete views with permanent data;
6918         do delete cached views and views from archives if
6919         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6920         if clearing the corresponding view.
6921         * fileread.h (File_read::Clear_views_mode): New enum.
6922         (File_read::View::is_permanent_view): New method.
6923         (File_read::clear_views): Replace bool parameter
6924         with enum; adjust all callers.
6925         * options.h (General_options): Change keep_files_mapped option;
6926         add map_whole_files.
6927         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6928         releasing the file.
6929         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6930         the file.
6931
6932 2010-03-10  David S. Miller  <davem@davemloft.net>
6933
6934         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6935
6936 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6937
6938         * icf.cc (get_section_contents): Add '@' marker after processing the
6939         merge reloc.
6940
6941 2010-03-08  Doug Kwan  <dougkwan@google.com>
6942
6943         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6944         due to a conversion warning.
6945         (Arm_relobj::update_output_local_symbol_count): Check for local
6946         symbol with unset output index.
6947
6948 2010-03-05  Ian Lance Taylor  <iant@google.com>
6949
6950         * options.h (class General_options): Add --spare-dynamic-tags.
6951         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6952         --spare-dynamic-tags.
6953
6954 2010-03-05  Ian Lance Taylor  <iant@google.com>
6955
6956         * incremental.cc: Include "libiberty.h".
6957
6958 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6959
6960         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6961         function, is_info_ member.
6962         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6963         (Versions::Versions): Update caller.
6964         (Versions::define_base_version): Likewise.
6965         (Versions::add_def): Likewise.
6966
6967 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6968
6969         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6970         (Scan::possible_function_pointer_reloc): New function.
6971         (Scan::local_reloc_may_be_function_pointer): Change to call
6972         possible_function_pointer_reloc.
6973         (Scan::global_reloc_may_be_function_pointer): Ditto.
6974         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6975         relocations in ".data.rel.ro._ZTV" section.
6976         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6977         * testsuite/icf_safe_so_test.cc: Ditto.
6978         * testsuite/icf_safe_test.cc: Ditto.
6979         * testsuite/icf_safe_test.sh: Ditto.
6980
6981 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6982             Ian Lance Taylor  <iant@google.com>
6983
6984         * target-reloc.h (relocate_section): Check the symbol table index
6985         for -1U before setting the local symbol index.
6986         (scan_relocatable_relocs): If copying the relocation, record that
6987         the local symbol is required.
6988         * object.h (Symbol_value::is_output_symtab_index_set): New
6989         function.
6990         (Symbol_value::may_be_discarded_from_output_symtab): New
6991         function.
6992         (Symbol_value::has_output_symtab_entry): New function.
6993         (Symbol_value::needs_output_symtab_entry): Remove.
6994         (Symbol_value::output_symtab_index): Make sure the symbol index is
6995         set.
6996         (Symbol_value::set_output_symtab_index): Make sure the symbol
6997         index is not set.  Make sure the new index is valid.
6998         (Symbol_value::set_must_have_output_symtab_entry): New function.
6999         (Symbol_value::has_output_dynsym_entry): New function.
7000         (Symbol_value::set_output_dynsym_index): Make sure the new index
7001         is valid.
7002         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7003         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7004         local symbol if permitted.
7005         (Sized_relobj::do_finalize_local_symbols): Call
7006         is_output_symtab_index_set rather than needs_output_symtab_entry.
7007         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7008         rather than needs_output_symtab_entry.  Call
7009         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7010         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7011         is_output_symtab_index_set rather than needs_output_symtab_entry.
7012         * testsuite/discard_locals_relocatable_test.c: New file.
7013         * testsuite/discard_locals_test.sh: Test -r.
7014         * testsuite/Makefile.am (check_DATA): Add
7015         discard_locals_relocatable_test1.syms,
7016         discard_local_relocatable_test2.syms.
7017         (MOSTLYCLEANFILES): Likewise.  Also add
7018         discard_locals_relocatable_test1.lout and
7019         discard_locals_relocatable_test2.out.
7020         (discard_locals_relocatable_test1.syms): New target.
7021         (discard_locals_relocatable_test.o): New target.
7022         (discard_locals_relocatable_test1.out): New target.
7023         (discard_locals_relocatable_test2.syms): New target.
7024         (discard_locals_relocatable_test2.out): New target.
7025         (various): Add missing ../ld-new dependencies.
7026         * testsuite/Makefile.in: Rebuild.
7027
7028 2010-03-03  Nick Clifton  <nickc@redhat.com>
7029
7030         * po/fi.po: New Finnish translation.
7031
7032 2010-03-01  Doug Kwan  <dougkwan@google.com>
7033
7034         * layout.cc (Layout::Layout): Force section types of .init_array*,
7035         .preinit_array* and .fini_array* sections.
7036         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7037         Fix check of return value of std::string::find.().
7038         (Output_section::Input_section_sort_compare::operator()): Remove
7039         comment about .init_array.
7040         (Output_section::Input_section_sort_init_fini_compare::operator()):
7041         New method.
7042         (Output_section::sort_attached_input_sections): Handle .init_array
7043         and .fini_array specially.
7044         * output.h (Output_section::Inut_section_sort_compare): Update
7045         comment.
7046         (Output_section::Input_section_sort_init_fini_compare): New struct.
7047
7048 2010-02-26  Doug Kwan  <dougkwan@google.com>
7049
7050         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7051         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7052         * testsuite/debug_msg.sh: Avoid matching source line number for
7053         use of global variable undef_int.
7054
7055 2010-02-26  Doug Kwan  <dougkwan@google.com>
7056
7057         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7058         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7059         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7060         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7061         * options.cc (General_options::General_options): Initialize member
7062         fix_v4bx_.
7063         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7064         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7065         and rm_no_fix_v4bx.stdout
7066         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7067         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7068         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7069         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7070         and arm_no_fix_v4bx.
7071         * Makefile.in: Regenerate.
7072         * testsuite/arm_fix_v4bx.s: New file.
7073         * testsuite/arm_fix_v4bx.sh: Ditto.
7074
7075 2010-02-24  Doug Kwan  <dougkwan@google.com>
7076
7077         * arm.cc (Target_arm::got_section): Make the .got section the first
7078         non RELRO section in the data segment.
7079         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7080         suffixes of section names.
7081
7082 2010-02-24  Doug Kwan  <dougkwan@google.com>
7083
7084         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7085         flags and attributes merging if an input file is a binary file.
7086         * fileread.cc (Input_file::open): Record format of original file.
7087         * fileread.h (Input_file::Format): New enum type.
7088         (Input_file::Input_file): Initialize data member format_.
7089         (Input_file::format): New method definition.
7090         (Input_file::format_):: New data member.
7091
7092 2010-02-24  Doug Kwan  <dougkwan@google.com>
7093
7094         * arm.cc (Arm_output_data_got): New class.
7095         (ARM_TCB_SIZE): New constant
7096         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7097         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7098         If user uses a script with a SECTIONS clause, issue only a warning
7099         for a misplaced EXIDX input section.  Otherwise, issue an error.
7100         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7101         garbage collection.
7102         (Target_arm::got_mode_index_entry): Handle static linking.
7103         (Target_arm::Scan::local): Ditto.
7104         (Target_arm::Scan::global): Ditto.
7105         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7106         all incorrectly implemented relocations.
7107         (Target_arm::fix_exidx_coverage): Pass layout to
7108         Arm_output_section::fix_exidx_coverage.
7109         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7110         from ".ARM.exidx." and ".ARM.extab.".
7111
7112 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7113
7114         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7115         section if it does not already exist.
7116         * attributes.cc (Attributes_section_data::Attributes_section_data):
7117         Don't crash if size is zero.
7118
7119 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7120             Ian Lance Taylor  <iant@google.com>
7121
7122         * gold.cc (queue_middle_tasks): If no input files were opened,
7123         exit.
7124         * workqueue.h (Task_function::Task_function): Assert that there is
7125         a blocker.
7126
7127 2010-02-22  Doug Kwan  <dougkwan@google.com>
7128
7129         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7130         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7131         types to avoid warnings due to different uint64_t implementations
7132         on different hosts.
7133
7134 2010-02-21  Doug Kwan  <dougkwan@google.com>
7135
7136         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7137         handling of the maximum backward branch offset.
7138         (Arm_relocate_functions::thumb_branch_common): Ditto.
7139         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7140         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7141         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7142         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7143         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7144         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7145         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7146         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7147         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7148         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7149         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7150         thumb2_bl_out_of_range.o): New rules.
7151         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7152         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7153         thumb2_bl_out_of_range
7154         * testsuite/Makefile.in: Regenerate.
7155         * testsuite/arm_bl_in_range.s: New file.
7156         * testsuite/arm_bl_out_of_range.s: Ditto.
7157         * testsuite/arm_branch_in_range.sh: Ditto.
7158         * testsuite/arm_branch_range.t: Ditto.
7159         * testsuite/thumb2_branch_range.t: Ditto.
7160         * testsuite/thumb_bl_in_range.s: Ditto.
7161         * testsuite/thumb_bl_out_of_range.s: Ditto.
7162         * testsuite/thumb_branch_range.t: Ditto.
7163
7164 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7165
7166         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7167         Add reloc offset information.
7168         * icf.cc (get_section_contents): Change iterators to point to the new
7169         vectors. Add reloc offset information to the contents.
7170         * icf.h (Icf::Sections_reachable_info): New typedef.
7171         (Icf::Sections_reachable_list): New typedef.
7172         (Icf::Offset_info): New typedef.
7173         (Icf::Reloc_info): New struct typedef.
7174         (Icf::Reloc_info_list): New typedef.
7175         (Icf::symbol_reloc_list): Delete method.
7176         (Icf::addend_reloc_list): Delete method.
7177         (Icf::section_reloc_list): Delete method.
7178         (Icf::reloc_info_list): New method.
7179         (Icf::reloc_info_list_): New member.
7180
7181 2010-02-19  Doug Kwan  <dougkwan@google.com>
7182
7183         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7184         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7185         * arm.cc (Arm_relocation_functions): New forward declaration.
7186         (Target_arm::Target_arm): Initialize new data members
7187         got_mod_index_offset_ and tls_base_symbol_defined_.
7188         (Target_arm::Relocate::relocate_tls): New method.
7189         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7190          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7191         New methods.
7192         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7193         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7194         (Target_arm::got_mod_index_offset_,
7195         Target_arm::tls_base_symbol_defined_): New data members.
7196         (Target_arm::Scan::local, Target::Scan::global,
7197         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7198         relocations.
7199
7200 2010-02-18  Doug Kwan  <dougkwan@google.com>
7201
7202         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7203         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7204         text section as a parameter becuase some broken tools may not set
7205         the link in section header.
7206         (Target_arm::has_got_section): New method.
7207         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7208         without any mapping symbol as data only.  Remove warning.
7209         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7210         link in its section header, try to discover the link by inspecting the
7211         REL31 relocation at the beginning of the section.
7212         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7213         in error message.
7214         (Target_arm::Scan::global): Treat any reference to the symbol
7215         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7216
7217 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7218
7219         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7220         (Scan::global_reloc_may_be_function_pointer): New function.
7221         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7222         (Scan::global_reloc_may_be_function_pointer): New function.
7223         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7224         (Scan::global_reloc_may_be_function_pointer): New function.
7225         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7226         (Scan::global_reloc_may_be_function_pointer): New function.
7227         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7228         (Scan::global_reloc_may_be_function_pointer): New function.
7229         (Scan::possible_function_pointer_reloc): New function.
7230         (Target_x86_64::can_check_for_function_pointers): New function.
7231         * gc.h (gc_process_relocs): Scan relocation types to determine if
7232         function pointers were taken for targets that support it.
7233         * icf.cc (Icf::find_identical_sections): Include functions for
7234         folding in safe ICF whose pointer is not taken.
7235         * icf.h (Secn_fptr_taken_set): New typedef.
7236         (fptr_section_id_): New member.
7237         (section_has_function_pointers): New function.
7238         (set_section_has_function_pointers): New function.
7239         (check_section_for_function_pointers): New function.
7240         * options.h: Fix comment for safe ICF option.
7241         * target.h (can_check_for_function_pointers): New function.
7242         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7243         Modify icf_safe_test for X86-64.
7244         * testsuite/Makefile.in: Regenerate.
7245         * testsuite/icf_safe_so_test.cc: New file.
7246         * testsuite/icf_safe_so_test.sh: New file.
7247         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7248         (main): Change to take pointer to function kept_func_3.
7249         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7250         folding is done correctly for X86-64.
7251
7252 2010-02-12  David S. Miller  <davem@davemloft.net>
7253
7254         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7255         is_symbolless parameter.
7256         (Output_reloc<SHT_REL>::is_symbolless): New.
7257         (Output_reloc<SHT_REL>::is_symbolless_): New.
7258         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7259         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7260         (Output_reloc<SHT_RELA>::is_symbolless): New.
7261         (Output_data_reloc::add_global): Handle is_symbolless.
7262         (Output_data_reloc::add_global_relative): Likewise.
7263         (Output_data_reloc::add_local): Likewise.
7264         (Output_data_reloc::add_local_relative): Likewise.
7265         (Output_data_reloc::add_symbolless_global_addend): New.
7266         (Output_data_reloc::add_symbolless_local_addend): New.
7267         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7268         is_symbolless.
7269         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7270         instead of ->is_relative_
7271         (Output_reloc::write): Likewise.
7272         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7273         (Output_reloc::write_rel): Simplify.
7274
7275         * sparc.cc (Target_sparc::Scan::local): Use
7276         ->add_symbolless_local_addend as needed.
7277         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7278         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7279         based upon relocation offset.
7280
7281 2010-02-11  Doug Kwan  <dougkwan@google.com>
7282
7283         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7284         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7285         beginning of function.
7286         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7287         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7288         parameter is_32bit in calls to should_apply_static_reloc.
7289         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7290         (check_DATA): Add arm_abs_global.stdout.
7291         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7292         arm_abs_global.stdout): New rules.
7293         (MOSTLLYCLEANFILES): Add arm_abs_global
7294         * Makefile.in: Regenerate.
7295         * testsuite/arm_abs_global.s: New file.
7296         * testsuite/arm_abs_global.sh: Ditto.
7297         * testsuite/arm_abs_lib.s: Ditto.
7298
7299 2010-02-11  Ian Lance Taylor  <iant@google.com>
7300
7301         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7302         Read_relocs task.
7303         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7304         Allocate_commons_task first.
7305         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7306         task, rather than symtab_lock_.
7307         (Gc_process_relocs::~Gc_process_relocs): New function.
7308         (Gc_process_relocs::is_runnable): Check this_blocker_.
7309         (Gc_process_relocs::locks): Use next_blocker_ rather than
7310         blocker_.
7311         (Scan_relocs::~Scan_relocs): New function.
7312         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7313         symtab_lock_.
7314         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7315         next_blocker_.
7316         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7317         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7318         constructor accordingly.
7319         (class Gc_process_relocs): Likewise.
7320         (class Scan_relocs): Likewise.
7321         * common.h (class Allocate_commons_task): Remove symtab_lock_
7322         field, and corresponding constructor parameter.
7323         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7324         symtab_lock_.
7325         (Allocate_commons_task::locks): Likewise.
7326
7327 2010-02-11  Ian Lance Taylor  <iant@google.com>
7328
7329         * gold-threads.h (class Once): Define.
7330         (class Initialize_lock): Rewrite as child of Once.
7331         * gold-threads.cc (class Once_initialize): Define.
7332         (once_pointer_control): New static variable.
7333         (once_pointer, once_arg): New static variables.
7334         (c_run_once): New static function.
7335         (Once::Once, Once::run_once, Once::internal_run): New functions.
7336         (class Initialize_lock_once): Remove.
7337         (initialize_lock_control): Remove.
7338         (initialize_lock_pointer): Remove.
7339         (initialize_lock_once): Remove.
7340         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7341         (Initialize_lock::initialize): Rewrite.
7342         (Initialize_lock::do_run_once): New function.
7343         * archive.cc (Archive::interpret_header): Only clear name if it is
7344         not already empty.
7345         * fileread.cc: Include "gold-threads.h"
7346         (file_counts_lock): New static variable.
7347         (file_counts_initialize_lock): Likewise.
7348         (File_read::release): Only increment counts when using --stats.
7349         Use a lock around the increment.
7350         * parameters.cc (class Set_parameters_target_once): Define.
7351         (set_parameters_target_once): New static variable.
7352         (Parameters::Parameters): Move here from parameters.h.
7353         (Parameters::set_target): Rewrite.
7354         (Parameters::set_target_once): New function.
7355         (Parameters::clear_target): Move here and rewrite.
7356         * parameters.h (class Parameters): Update declarations.  Add
7357         set_parameters_target_once_ field.
7358         (Parameters::Parameters): Move to parameters.cc.
7359         (Parameters::clear_target): Likewise.
7360         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7361         task.
7362         (Start_group::~Start_group): New function.
7363         (Start_group::is_runnable): New function.
7364         (Start_group::locks, Start_group::run): New functions.
7365         (Finish_group::run): Change saw_undefined to size_t.
7366         * readsyms.h (class Start_group): Define.
7367         (class Finish_group): Change saw_undefined_ field to size_t.
7368         (Finish_group::Finish_group): Remove saw_undefined and
7369         this_blocker parameters.  Change all callers.
7370         (Finish_group::set_saw_undefined): New function.
7371         (Finish_group::set_blocker): New function.
7372         * symtab.h (class Symbol_table): Change saw_undefined to return
7373         size_t.  Change saw_undefined_ field to size_t.
7374         * target-select.cc (Set_target_once::do_run_once): New function.
7375         (Target_selector::Target_selector): Initialize set_target_once_
7376         field.  Don't initialize lock_ and initialize_lock_ fields.
7377         (Target_selector::instantiate_target): Rewrite.
7378         (Target_selector::set_target): New function.
7379         * target-select.h (class Set_target_once): Define.
7380         (class Target_selector): Update declarations.  Make
7381         Set_target_once a friend.  Remove lock_ and initialize_lock_
7382         fields.  Add set_target_once_ field.
7383
7384 2010-02-10  Ian Lance Taylor  <iant@google.com>
7385
7386         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7387         queueing any tasks.
7388         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7389         (queue_middle_tasks): Add all blockers before queueing any tasks.
7390         (queue_final_tasks): Likewise.
7391         * token.h (Task_token::add_blockers): New function.
7392         * object.h (Input_objects::number_of_relobjs): New function.
7393
7394 2010-02-10  Ian Lance Taylor  <iant@google.com>
7395
7396         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7397         shared, not if not position independent.
7398         * x86_64.cc (Relocate::relocate_tls): Likewise.
7399         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7400         (tls_pie_pic_test): New target.
7401         * testsuite/Makefile.in: Rebuild.
7402
7403         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7404         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7405         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7406         * testsuite/Makefile.in: Rebuild.
7407
7408 2010-02-09  David S. Miller  <davem@davemloft.net>
7409
7410         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7411         R_SPARC_RELATIVE using ->add_local_relative().
7412         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7413
7414         * output.h (Output_data_dynamic::add_section_size): New method
7415         that takes two Output_data objects.
7416         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7417         entry param.  Handle it in initializers.
7418         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7419         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7420         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7421         arg.
7422         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7423         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7424         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7425         for dynrel_includes_plt.
7426         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7427         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7428         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7429         before .rela.plt
7430         (Target_sparc::do_finalize_sections): Update to pass true for
7431         dynrel_includes_plt.
7432         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7433         output before .rela.plt
7434         (Target_powerpc::do_finalize_sections): Update to pass true for
7435         dynrel_includes_plt when 32-bit.
7436
7437 2010-02-08  Doug Kwan  <dougkwan@google.com>
7438
7439         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7440         method.
7441         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7442         Arm_relobj::scan_section_for_cortex_a8_stubs,
7443         Arm_relobj::do_relocation_section): Instead of calling
7444         Output_section::output_address, use faster
7445         Arm_relobj::simple_input_section_output_address.
7446
7447 2010-02-08  David S. Miller  <davem@davemloft.net>
7448
7449         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7450         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7451         relocation helper function.
7452
7453         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7454         just like R_SPARC_GOT{10,13,22}.
7455         (Target_sparc::Scan::local): Likewise.
7456         (Target_sparc::Relocate:relocate): Likewise.
7457
7458 2010-02-06  Ian Lance Taylor  <iant@google.com>
7459
7460         * configure.ac: Rewrite targetobjs duplicate removal code to use
7461         only shell constructs.
7462         * configure: Rebuild.
7463
7464 2010-02-05  Doug Kwan  <dougkwan@google.com>
7465
7466         PR 11247
7467         * arm.cc (Arm_relobj::section_is_scannable): New method.
7468         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7469         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7470
7471 2010-02-04  Doug Kwan  <dougkwan@google.com>
7472
7473         PR 11247
7474         * arm-reloc-property.cc (cstdio): Include.
7475         * configure.ac (targetobjs): Remove duplicates.
7476         * configure: Regenerate.
7477         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7478         big and little endian version for a given address size.
7479
7480 2010-02-03  Doug Kwan  <dougkwan@google.com>
7481
7482         * arm-reloc-property.cc
7483         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7484         definition.
7485         * arm-reloc-property.h
7486         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7487         New method definition.
7488         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7489         declaration.
7490         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7491         overflow to N.
7492         (GOT_PREL): Change implemented to Y.
7493         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7494         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7495         (Arm_relocate_functions::movw_abs_nc): Remove method.
7496         (Arm_relocate_functions::movt_abs): Ditto.
7497         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7498         (Arm_relocate_functions::thm_movt_abs): Ditto.
7499         (Arm_relocate_functions::movw_rel_nc): Ditto.
7500         (Arm_relocate_functions::movw_rel): Ditto.
7501         (Arm_relocate_functions::movt_rel): Ditto.
7502         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7503         (Arm_relocate_functions:thm_movw_rel): Ditto.
7504         (Arm_relocate_functions:thm_movt_rel): Ditto.
7505         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7506         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7507         New method definitions.
7508         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7509         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7510         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7511         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7512         (Target_arm::Relocate::relocate): Check for non-static or
7513         unimplemented relocation code and exit early.  Change calls to
7514         Target_arm::reloc_uses_thumb_bit and
7515         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7516         instead.  Refactor code to handle similar relocations to increase
7517         code sharing.  Remove check for unsupported relocation code in switch
7518         statement.
7519         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7520         relocation property table to find out size.  Change error message to
7521         print out the name of a relocation code instead of the numeric value.
7522         (Target_arm::scan_reloc_for_stub): Use relocation property table
7523         instead of calling Target_arm::reloc_uses_thumb_bit().
7524
7525 2010-02-02  Doug Kwan  <dougkwan@google.com>
7526
7527         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7528         types of relaxed input section.
7529
7530 2010-02-02  Doug Kwan  <dougkwan@google.com>
7531
7532         * Makefile.am (HFILES): Add arm-reloc-property.h.
7533         (DEFFILES): New.
7534         (TARGETSOURCES): Add arm-reloc-property.cc
7535         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7536         (libgold_a_SOURCES): $(DEFFILES)
7537         * Makefile.in: Regenerate.
7538         * arm-reloc-property.cc: New file.
7539         * arm-reloc-property.h: New file.
7540         * arm-reloc.def: New file.
7541         * arm.cc: Update comments.
7542         (arm-reloc-property.h): New included header.
7543         (arm_reloc_property_table): New global variable.
7544         (Target_arm::do_select_as_default_target): New method definition.
7545         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7546         arm-reloc-property to targ_extra_obj.
7547         * parameters.cc (set_parameters_target): Call
7548         Target::select_as_default_target().
7549         * target.h (Target::select_as_default_target): New method definition.
7550         (Target::do_select_as_default_target): Same.
7551
7552 2010-02-01  Doug Kwan  <dougkwan@google.com>
7553
7554         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7555         first_output_text_section_.
7556         (Arm_exidx_fixup::first_output_text_section): New method definition.
7557         (Arm_exidx_fixup::first_output_text_section_): New data member.
7558         (Arm_exidx_fixup::process_exidx_section): Record the first text
7559         output section seen.
7560         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7561         and entsize in output section header.
7562
7563 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7564
7565         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7566         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7567         (Arm_relocate_functions::thm_alu11): New Method.
7568         (Arm_relocate_functions::thm_pc8): New Method.
7569         (Arm_relocate_functions::thm_pc12): New Method.
7570         (Target_arm::Scan::local): Handle the relocations.
7571         (Target_arm::Scan::global): Likewise.
7572         (Target_arm::Relocate::relocate): Likewise.
7573         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7574
7575 2010-01-29  Doug Kwan  <dougkwan@google.com>
7576
7577         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7578         of relocation types as ld.
7579
7580 2010-01-29  Doug Kwan  <dougkwan@google.com>
7581
7582         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7583         to public.
7584         (Arm_relocate_functions::thumb_branch_common): Ditto.
7585         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7586         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7587         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7588         Arm_relocate_functions::jump24): Remove.
7589         (Target_arm::Relocate::relocate): Adjust code to call
7590         Arm_relocation_functions::arm_branch_common and
7591         Arm_relocation_functions::thumb_branch_common instead of their removed
7592         wrappers.  Merge switch-cases together to reduce source code size.
7593
7594 2010-01-29  Doug Kwan  <dougkwan@google.com>
7595
7596         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7597         output_local_symbol_count_needs_update_.
7598         (Arm_relobj::output_local_symbol_count_needs_update,
7599          Arm_relobj::set_output_local_symbol_count_needs_update,
7600          Arm_relobj::update_output_local_symbol_count): New methods.
7601         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7602         member.
7603         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7604         of pointed function as in a R_ARM_PREL31 relocation.
7605         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7606         for output local symbol count updating.
7607         (Target_arm::do_relax): Update output local symbol counts in objects
7608         if necessary.
7609         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7610
7611 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7612
7613         * arm.cc: Added support for the ARM relocations:
7614         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7615         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7616         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7617         movw_prel_nc).
7618         (Arm_relocate_functions::movw_rel): New method.
7619         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7620         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7621         thm_movw_prel_nc).
7622         (Arm_relocate_functions::thm_movw_rel): New method.
7623         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7624         thm_movt_prel).
7625         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7626         relocations.
7627         (Target_arm::Scan::global): Likewise.
7628         (Target_arm::Relocate::relocate): Likewise.
7629         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7630         Likewise.
7631
7632 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7633
7634         * arm.cc: Added support for ARM group relocations.
7635         (Target_arm::reloc_needs_sym_origin): New method.
7636         (Arm_relocate_functions::calc_grp_kn): New method.
7637         (Arm_relocate_functions::calc_grp_residual): New method.
7638         (Arm_relocate_functions::calc_grp_gn): New method.
7639         (Arm_relocate_functions::arm_grp_alu): New Method.
7640         (Arm_relocate_functions::arm_grp_ldr): New Method.
7641         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7642         (Arm_relocate_functions::arm_grp_ldc): New Method.
7643         (Target_arm::Scan::local): Handle the ARM group relocations.
7644         (Target_arm::Scan::global): Likewise.
7645         (Target_arm::Relocate::relocate): Likewise.
7646         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7647         Likewise.
7648
7649 2010-01-26  Doug Kwan  <dougkwan@google.com>
7650
7651         * arm.cc (set): Include.
7652         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7653         pointer type.
7654         (Arm_output_section::Text_section_list): New type.
7655         (Arm_output_section::append_text_sections_to_list): New method.
7656         (Arm_output_section::fix_exidx_coverage): Ditto.
7657         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7658         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7659         Relobj::set_section_offset() instead of
7660         Sized_relobj::invalidate_section_offset().
7661         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7662         parameter for section headers. Ignore relocation sections for
7663         unallocated sections and EXIDX sections.
7664         (Target_arm::fix_exidx_coverage): New method.
7665         (Target_arm::output_section_address_less_than): New type.
7666         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7667         linked text section instead of the EXIDX section.
7668         (Arm_output_section::create_stub_group): Add an assertion to check
7669         that this is not an EXIDX output section.
7670         (Arm_output_section::append_text_sections_to_list): New method.
7671         (Arm_output_section::fix_exidx_coverage): Ditto.
7672         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7673         Arm_relobj::section_needs_reloc_stub_scanning.
7674         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7675         first pass.
7676         (Target_arm::fix_exidx_coverage): New method.
7677         * object.h (Relobj::set_output_section): New method.
7678         (Sized_relobj::invalidate_section_offset): Remove method.
7679         (Sized_relobj::do_invalidate_section_offset): Remove method.
7680         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7681
7682 2010-01-25  Doug Kwan  <dougkwan@google.com>
7683
7684         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7685         Fix warning due to signed and unsigned comparison on a 32-bit host.
7686
7687 2010-01-22  Doug Kwan  <dougkwan@google.com>
7688
7689         * arm.cc (Target_arm::do_relax): Record an output section for section
7690         offset adjustment it contains any stub table that has changed.
7691         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7692         offsets in an output section if necessary.
7693         * output.cc (Output_section::Output_section): Initialize
7694         section_offsets_need_adjustments_.
7695         (Output_section::add_input_section_for_script): Renamed to
7696         Output_section::add_simple_input_section.
7697         (Output_section::save_states): Add a comment.
7698         (Output_section::discard_states): New method defintion.
7699         (Output_section::adjust_section_offsets): Same.
7700         * output.h (Output_section::add_input_section_for_script): Renamed to
7701         Output_section::add_simple_input_section.
7702         (Output_section::discard_states): New method declaration.
7703         (Output_section::adjust_section_offsets): Same.
7704         (Output_section::section_offsets_need_adjustment,
7705         Output_section::set_section_offsets_need_adjustment): New method
7706         definitions.
7707         (Output_section::section_offsets_need_adjustment_): New data member.
7708         * script-sections.cc
7709         (Output_section_element_input::set_section_address): Adjust code for
7710         renaming of Output_section::add_input_section_for_script.
7711         (Orphan_output_section::set_section_address): Same.
7712
7713 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7714
7715         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7716         Fix_v4bx enum values .
7717         * gold/options.h (General_options): New option definitions.
7718         (General_options::fix_v4bx): New method.
7719         (General_options::Fix_v4bx): New enum.
7720         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7721         (General_options::parse_fix_v4bx_interworking): New method.
7722
7723 2010-01-22  Doug Kwan  <dougkwan@google.com>
7724
7725         * arm.cc (Arm_exidx_fixup): New class.
7726
7727 2010-01-21  Doug Kwan  <dougkwan@google.com>
7728
7729         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7730         classes.
7731         (Arm_exidx_section_offset_map): New type.
7732
7733 2010-01-21  Doug Kwan  <dougkwan@google.com>
7734
7735         * arm.cc (Arm_exidx_input_section): New class.
7736         (Arm_relobj::exidx_input_section_by_link,
7737         Arm_relobj::exidx_input_section_by_shndx,
7738         Arm_relobj::make_exidx_input_section): New methods.
7739         (read_arm_attributes_section): Remove.
7740         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7741         information about them.
7742         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7743         to here.
7744
7745 2010-01-20  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7748         Input_section_specifier to Section_id.
7749         (Target_arm::new_arm_input_section: Adjust code for change of key
7750         type.
7751         (Target_arm::find_arm_input_section): Ditto.
7752         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7753         (Section_id): Remove.
7754         (Garbage_collection::Section_id_hash): Remove.
7755         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7756         (Section_id): Remove.
7757         (Icf::Section_id_hash): Remove.
7758         * object.h (Section_id, Const_section_id, Section_id_hash,
7759         Const_section_id_hash): New type definitions.
7760         * output.cc (Output_section::add_relaxed_input_section): Change to
7761         use Const_section_id instead of Input_section_specifier as key type.
7762         (Output_section::add_merge_input_section): Ditto.
7763         (Output_section::build_relaxation_map): Change to use Section_id
7764         instead of Input_section_specifier as key type.
7765         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7766         Ditto.
7767         (Output_section::convert_input_sections_to_relaxed_sections): Change
7768         to use Const_section_id instead of Input_section_specifier as key type.
7769         (Output_section::find_merge_section): Ditto.
7770         (Output_section::find_relaxed_input_section): Ditto.
7771         * output.h (Input_section_specifier): Remove class.
7772         (Output_section::Output_section_data_by_input_section_map): Change
7773         key type to Const_section_id.
7774         (Output_section::Output_relaxed_input_section_by_input_section_map):
7775         Ditto.
7776         (Output_section::Relaxation_map): Change key type to Section_id.
7777
7778 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7779
7780         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7781         (class Arm_v4bx_stub): New class.
7782         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7783         (Stub_factory::make_arm_v4bx_stub): New method.
7784         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7785         (Stub_table::empty): Handle v4bx stubs.
7786         (Stub_table::add_arm_v4bx_stub): New method.
7787         (Stub_table::find_arm_v4bx_stub): New method.
7788         (Arm_relocate_functions::v4bx): New method.
7789         (Target_arm::fix_v4bx): New method.
7790         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7791         (Stub_table::relocate_stubs): Likewise.
7792         (Stub_table::do_write): Likewise.
7793         (Stub_table::update_data_size_and_addralign): Likewise.
7794         (Stub_table::finalize_stubs):  Likewise.
7795         (Target_arm::Scan::local): Likewise.
7796         (Target_arm::Scan::global): Likewise.
7797         (Target_arm::do_finalize_sections): Likewise.
7798         (Target_arm::Relocate::relocate): Likewise.
7799         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7800         Likewise.
7801         (Target_arm::scan_reloc_for_stub): Likewise.
7802         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7803
7804 2010-01-19  Ian Lance Taylor  <iant@google.com>
7805
7806         * output.cc (Output_section_headers::do_sized_write): Write large
7807         segment count to sh_info field.
7808         (Output_file_header::do_sized_write): For large segment count,
7809         write PN_XNUM to e_phnum field.
7810
7811 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7812
7813         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7814         (Arm_relocate_functions::thm_jump8): New function.
7815         (Arm_relocate_functions::thm_jump11): New function.
7816         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7817         R_ARM_THM_JUMP11.
7818         (Target_arm::Scan::global): Likewise.
7819         (Target_arm::Relocate::relocate): Likewise.
7820         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7821         Likewise.
7822
7823 2010-01-14  Doug Kwan  <dougkwan@google.com>
7824
7825         * arm.cc (map, utility): Include headers.
7826         (Target_arm::apply_cortex_a8_workaround): New method.
7827         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7828         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7829         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7830         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7831         the --[no-]fix-cortex-a8 command line options.
7832         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7833         (Target_arm::relocate_stub): Use addend in instruction template.
7834         * options.h (DEFINE_bool): Set the user-set flag.
7835         (General_options): Add --[no-]-fix-cortex options.
7836         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7837         : Update fast look-up map after conversion.
7838
7839 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7840
7841         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7842         in the first pass of do_layout.
7843
7844 2010-01-13  Doug Kwan  <dougkwan@google.com>
7845
7846         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7847         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7848         apparent compiler problem of not folding static constant integral
7849         data members of elfcpp::Elf_sizes<32>.
7850
7851 2010-01-13  Doug Kwan  <dougkwan@google.com>
7852
7853         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7854         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7855         Arm_relobj::scan_section_for_cortex_a8_erratum,
7856         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7857         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7858         sections to scan for relocation stubs into a new method
7859         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7860         relocation and Cortex-A8 stub scanning.
7861         (Target_arm::do_relax): Force stubs to be after stubbed sections
7862         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7863         the beginning of a new relaxation pass.  Update a comment.
7864         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7865
7866 2010-01-12  Ian Lance Taylor  <iant@google.com>
7867
7868         * target-reloc.h (visibility_error): New inline function.
7869         (relocate_section): Call visibility_error.
7870         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7871         (MOSTLYCLEANFILES): Likewise.
7872         (protected_4_pic.o, protected_3.err): New targets.
7873         * testsuite/protected_4.cc: New file.
7874
7875 2010-01-12  Doug Kwan  <dougkwan@google.com>
7876
7877         * arm.cc (Cortex_a8_reloc): New class.
7878         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7879         and cortex_a8_relocs_info_.
7880         (Target_arm::fix_cortex_a8): New method definition.
7881         (Target_arm::Cortex_a8_relocs_info): New type.
7882         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7883         New data member declarations.
7884         (Target_arm::scan_reloc_for_stub): Record information about
7885         relocations for THUMB branches that might be exempted from the
7886         Cortex-A8 workaround.
7887         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7888         at the beginning of a relaxation pass.
7889
7890 2010-01-12  Doug Kwan  <dougkwan@google.com>
7891
7892         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7893         (Arm_relobj::Mapping_symbol_position,
7894          Arm_reloj::Mapping_symbol_position_less,
7895          Arm_relobj::Mapping_symbols_info): New types.
7896         (Target_arm::is_mapping_symbol_name): New method definition.
7897         (Arm_relobj::do_count_local_symbols): Save information about mapping
7898         symbols.
7899
7900 2010-01-11  Doug Kwan  <dougkwan@google.com>
7901
7902         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7903         Arm_relocate_functions::thumb32_branch_upper,
7904         Arm_relocate_functions::thumb32_branch_lower,
7905         Arm_relocate_functions::thumb32_cond_branch_offset,
7906         Arm_relocate_functions::thumb32_cond_branch_upper,
7907         Arm_relocate_functions::thumb32_cond_branch_lower,
7908         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7909         branch offset encoding.
7910         (Arm_relocate_functions::thumb_branch_common): Use new branch
7911         offset encoding methods to avoid code duplication.
7912         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7913         (Stub_addend_reader::operator()): Use new branch encoding method
7914         to avoid code duplication.
7915
7916 2010-01-11  Doug Kwan  <dougkwan@google.com>
7917
7918         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7919         (Target_arm::do_finalize_sections): Define special EXIDX section
7920         symbols only if referenced.
7921         * gc.h (Garbage_collection::add_reference): New method.
7922         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7923         code duplication.
7924
7925 2010-01-11  Ian Lance Taylor  <iant@google.com>
7926
7927         * script.cc (Version_script_info::build_expression_list_lookup):
7928         Change complaing about duplicate wildcard match from error to
7929         warning.
7930
7931         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7932         of 2009-12-30.
7933         (Version_script_info::Version_script_info): Initialize globs_,
7934         default_version_, default_is_global_, and exact_.  Don't
7935         initialize globals_ or locals_.
7936         (Version_script_info::build_lookup_tables): Build local symbols
7937         first.
7938         (Version_script_info::unquote): New function.
7939         (Version_script_info::add_exact_match): New function.
7940         (Version_script_info::build_expression_list_lookup): Remove lookup
7941         parameter.  Add is_global parameter.  Change all callers.  Handle
7942         wildcard pattern specially.  Unquote pattern.  Call
7943         add_exact_match.
7944         (Version_script_info::get_name_to_match): New function.
7945         (Version_script_info::get_symbol_version): New function.
7946         (Version_script_info::get_symbol_version_helper): Remove.
7947         (Version_script_info::check_unmatched_names): Call unquote.
7948         * script.h (class Version_script_info): Change get_symbol_version
7949         to be non-inline and add is_global parameter; change all callers.
7950         Rewrite symbol_is_local.  Update declarations.  Define struct
7951         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7952         Remove globals_ and locals_ members.  Add exact_, globs_,
7953         default_version_, is_global_.
7954         (Version_script_info::Glob): Remove pattern, add expression and
7955         is_global.  Update constructor.  Change all callers.
7956         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7957         default version.
7958         (Versions::symbol_section_contents): If a symbol is undefined, or
7959         defined in a dynamic object, set the version index to
7960         VER_NDX_LOCAL.
7961         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7962         symbol_is_local.
7963         (Symbol_table::add_from_pluginobj): Likewise.
7964         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7965
7966 2010-01-11  Doug Kwan  <dougkwan@google.com>
7967
7968         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7969         (incremental_dump_LDADD): Add linking option for libintl.
7970         * Makefile.in: Regenerate.
7971
7972 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7973
7974         PR gold/11144
7975         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7976         instead of -Ds.
7977         * testsuite/Makefile.in: Regenerated.
7978
7979 2010-01-10  Doug Kwan  <dougkwan@google.com>
7980
7981         * options.h (DEFINE_var): Use parentheses around argument varname__
7982         in macro body to avoid any unintended subsequent substitutions.
7983
7984 2010-01-10  Ian Lance Taylor  <iant@google.com>
7985
7986         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7987         candidates before doing symbol resolution.
7988
7989         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7990         ODR candidates if only one is weak.
7991
7992 2010-01-08  Ian Lance Taylor  <iant@google.com>
7993
7994         * script.cc (Version_script_info::build_expression_list_lookup):
7995         Don't warn about ambiguous version, just record the ambiguity.
7996         (Version_script_info::get_symbol_version_helper): Give error if
7997         version is ambiguous.
7998
7999 2010-01-08  Doug Kwan  <dougkwan@google.com>
8000
8001         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8002         prev_data_size_ and prev_addralign_.  Remove initializer for
8003         deleted data member has_been_changed_.
8004         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8005         to determine if the table is empty.
8006         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8007         Remove.
8008         (Stub_table::add_reloc_stub): Define method in class definition
8009         instead of just declaring it there.
8010         (Stub_table::add_cortex_a8_stub): New method definition.
8011         (Stub_table::update_data_size_and_addralign): Ditto.
8012         (Stub_table::finalize_stubs): Ditto.
8013         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8014         (Stub_table::do_addralign_): Return address alignment in the
8015         (Stub_table::do_reset_address_and_file_offset): Define method in
8016         class definition instead of declaring it there.  Set current data
8017         size to be the data size of the previous pass.
8018         (Stub_table::set_final_data_size): Use current data size as the
8019         final data size.
8020         (Stub_table::relocate_stub): Change parameter type of stub from
8021         Reloc_stub pointer to Stub pointer.
8022         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8023         (Stub_table::Cortex_a8_stub_list): New typedef.
8024         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8025          Stub_table::prev_addralign_): New data member.
8026         (Arm_relobj::Arm_relobj): Initialize data member
8027         section_has_cortex_a8_workaround_.
8028         (Arm_relobj::section_has_cortex_a8_workaround,
8029          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8030          definitions.
8031         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8032         declarations.
8033         (Target_arm::relocate_stub): Change parameter type of stub from
8034         Reloc_stub pointer to Stub pointer.
8035         (Insn_template::size, Insn_template::alignment): Handle
8036         THUMB16_SPECIAL_TYPE.
8037         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8038          Stub_table::update_data_size_and_addralign,
8039          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8040         definitions.
8041         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8042         (Stub_table::do_write): Ditto.
8043         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8044
8045 2010-01-08  Ian Lance Taylor  <iant@google.com>
8046
8047         PR 11108
8048         * symtab.h (class Symbol): Remove fields is_target_special_ and
8049         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8050         (Symbol::is_defined_in_discarded_section): New function.
8051         (Symbol::set_is_defined_in_discarded_section): New function.
8052         (Symbol::has_plt_offset): Rewrite.
8053         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8054         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8055         Don't initialize is_target_special_ or has_plt_offset_.
8056         Initialize is_defined_in_discarded_section_.
8057         (Symbol_table::add_from_relobj): If appropriate, set
8058         is_defined_in_discarded_section.
8059         * resolve.cc (Symbol::override_base_with_special): Don't test
8060         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8061         * target-reloc.h (relocate_section): Do special handling for
8062         symbols defined in discarded sections for global symbols as well
8063         as local symbols.
8064
8065 2010-01-08  Ian Lance Taylor  <iant@google.com>
8066
8067         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8068         the SHT_SYMTAB case.
8069
8070 2010-01-08  Ian Lance Taylor  <iant@google.com>
8071
8072         * object.cc (Sized_relobj::do_layout): Don't get confused if
8073         layout_eh_frame returns NULL.
8074
8075 2010-01-08  Ian Lance Taylor  <iant@google.com>
8076
8077         PR 11084
8078         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8079         dynamic symbol table, use the normal symbol table.
8080         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8081         symbol table.
8082
8083 2010-01-08  Ian Lance Taylor  <iant@google.com>
8084
8085         PR 11072
8086         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8087         sections.
8088
8089 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8090
8091         * version.cc (print_version): Change to "Copyright 2010".
8092
8093 2010-01-08  Ian Lance Taylor  <iant@google.com>
8094
8095         PR 10287
8096         PR 11063
8097         * i386.cc (class Target_i386): Change return type of plt_section
8098         to be non-const.
8099         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8100         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8101         tls_desc_rel_ field.
8102         (Output_data_plt_i386::rel_tls_desc): New function.
8103         (Target_i386::rel_tls_desc_section): New function.
8104         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8105         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8106         R_386_TLS_DESC reloc in rel_tls_desc_section.
8107         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8108         Define struct Tlsdesc_info.
8109         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8110         (Target_x86_64::do_reloc_symbol_index): New function.
8111         (Target_x86_64::add_tlsdesc_info): New function.
8112         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8113         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8114         tlsdesc_rel_ field.
8115         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8116         all callers.
8117         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8118         (Target_x86_64::rela_tlsdesc_section): New function.
8119         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8120         handling.
8121         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8122         (Target_x86_64::do_reloc_addend): New function.
8123         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8124         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8125         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8126         (Output_reloc::type): New function.
8127         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8128         (Output_reloc::is_target_specific): New function.
8129         (Output_reloc::target_arg): New function.
8130         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8131         absolute relocs and target specific relocs.
8132         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8133         add_target_specific.
8134         (class Output_data_reloc) [SHT_RELA]: Likewise.
8135         * output.cc (Output_reloc::Output_reloc): Add four new versions
8136         for absolute relocs and target specific relocs.
8137         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8138         (Output_reloc::get_symbol_index): Likewise.
8139         (Output_reloc::local_section_offset): Check that local_sym_index_
8140         is not TARGET_CODE or 0.
8141         (Output_reloc::symbol_value): Likewise.
8142         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8143         reloc.
8144         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8145         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8146         functions.
8147         * layout.cc (add_target_dynamic_tags): Use output section for
8148         DT_PLTRELSZ and DT_JMPREL.
8149
8150 2010-01-07  Ian Lance Taylor  <iant@google.com>
8151
8152         PR 11061
8153         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8154         function.
8155         (class Output_data_reloc_generic): Define.
8156         (class Output_data_reloc_base): Change base class to
8157         Output_data_reloc_generic.  Change add() method to call
8158         bump_relative_reloc_count for a relative reloc.  Remove
8159         sort_relocs_ field.
8160         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8161         to sort_relocs().
8162         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8163         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8164         appropriate.
8165         * layout.h (class Layout): Update declaration.
8166
8167 2010-01-07  Ian Lance Taylor  <iant@google.com>
8168
8169         * output.h (class Output_data): Add const version of
8170         output_section and do_output_section.
8171         (class Output_section_data): Add const version of
8172         do_output_section.
8173         (class Output_section): Likewise.
8174         * layout.cc (Layout::add_target_dynamic_tags): New function.
8175         * layout.h (class Layout): Update declarations.
8176         * arm.cc (Target_arm::do_finalize_sections): Use
8177         add_target_dynamic_tags.
8178         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8179         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8180         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8181         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8182
8183 2010-01-07  Ian Lance Taylor  <iant@google.com>
8184
8185         PR 11042
8186         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8187         object as needed.
8188
8189 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8190             Ian Lance Taylor  <iant@google.com>
8191
8192         PR 11019
8193         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8194         Xindex::read_symtab_xindex.
8195
8196 2010-01-07  Doug Kwan  <dougkwan@google.com>
8197
8198         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8199         (Insn_template::thumb16_bcond_insn): New method declaration.
8200         (Insn_template): Fix spelling.
8201         (Stub::thumb16_special): New method declaration.
8202         (Stub::do_write): Define virtual method which was previously pure
8203         virtual.
8204         (Stub::do_thumb16_special): New method declaration.
8205         (Stub::do_fixed_endian_write): New template member.
8206         (Reloc_stub::do_write): Remove.
8207         (Reloc_stub::do_fixed_endian_write): Remove.
8208         (Cortex_a8_stub): New class definition.
8209         (Stub_factory::make_cortex_a8_stub): New method definition.
8210         (Stub_factory::Stub_factory): Add missing static storage class
8211         qualifier for elf32_arm_stub_a8_veneer_blx.
8212
8213 2010-01-07  Ian Lance Taylor  <iant@google.com>
8214
8215         PR 10980
8216         * options.h (class General_options): Add --warn-unresolved-symbols
8217         and --error-unresolved-symbols.
8218         * errors.cc (Errors::undefined_symbol): Implement
8219         --warn-unresolved-symbols.
8220
8221         * options.h (class General_options): Add -z text and -z textoff.
8222         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8223
8224 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8225
8226         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8227         (Garbage_collection::cident_sections): New function.
8228         (Garbage_collection::add_cident_section): New function.
8229         (Garbage_collection::cident_sections_): New member.
8230         (gc_process_relocs): Add references to sections whose names are C
8231         identifiers.
8232         * gold.h (cident_section_start_prefix): New constant.
8233         (cident_section_stop_prefix): New constant.
8234         (is_cident): New function.
8235         * layout.cc (Layout::define_section_symbols): Replace string constants
8236         with the newly defined constants.
8237         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8238         C identifiers.
8239         * testsuite/Makefile.am: Add gc_orphan_section_test.
8240         * testsuite/Makefile.in: Regenerate.
8241         * testsuite/gc_orphan_section_test.cc: New file.
8242         * testsuite/gc_orphan_section_test.sh: New file.
8243
8244 2010-01-06  Ian Lance Taylor  <iant@google.com>
8245
8246         PR 10980
8247         * options.h (class General_options): Add --warn-shared-textrel.
8248         * layout.cc (Layout::finish_dynamic_section): Implement
8249         --warn-shared-textrel.
8250
8251         PR 10980
8252         * options.h (class General_options): Add --warn-multiple-gp.
8253
8254 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8255
8256         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8257         $(THREADSLIB) and $(LIBDL).
8258         * Makefile.in: Rebuild.
8259
8260 2010-01-06  Ian Lance Taylor  <iant@google.com>
8261
8262         PR 10980
8263         * options.cc (General_options::parse_section_start): New function.
8264         (General_options::section_start): New function.
8265         (General_options::General_options): Initialize all members.
8266         * options.h: Include <map>
8267         (class General_options): Add --section-start.  Add section_starts_
8268         member.
8269         * layout.cc (Layout::attach_allocated_section_to_segment): If
8270         --section-start was used, set the address of the segment.  Remove
8271         local sort_sections.
8272         (Layout::relaxation_loop_body): If the address of the load segment
8273         has been set by --section-start, don't use it.
8274         * output.h (Output_segment::update_flags_for_output_section): New
8275         function.
8276         * output.cc (Output_segment::add_output_section): Call
8277         update_flags_for_output_section.
8278
8279 2010-01-05  Ian Lance Taylor  <iant@google.com>
8280
8281         PR 10980
8282         * options.h (class General_options): Add --undefined-version.
8283         * script.cc (struct Version_expression): Add was_matched_by_symbol
8284         field.
8285         (Version_script_info::matched_symbol): New function.
8286         (Version_script_info::get_symbol_version_helper): Call
8287         matched_symbol.
8288         (Version_script_info::check_unmatched_names): New function.
8289         * script.h (class Version_script_info): Update declarations.
8290         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8291
8292         * options.h (class General_options): Use DEFINE_bool_alias for
8293         allow_multiple_definition.
8294         * resolve.cc (Symbol_table::should_override): Don't test
8295         allow_multiple_definition.
8296
8297         PR 10980
8298         * options.h (class General_options): Add --cref.
8299         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8300         until after printing cref table.
8301         * cref.cc: Include "symtab.h".
8302         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8303         (Cref_table_compare::operator()): New function.
8304         (Cref_inputs::gather_cref): New function.
8305         (filecol): New static const.
8306         (Cref_inputs::print_cref): New function.
8307         (Cref::print_cref): New function.
8308         * cref.h: Include <cstdio>.
8309         (class Cref): Update declarations.
8310         * mapfile.h (Mapfile::file): New function.
8311         * object.h (class Object): Define Symbols.  Declare virtual
8312         do_get_global_symbols.
8313         (Object::get_global_symbols): New function.
8314         * object.cc (Input_objects::add_object): Pass object to cref_ if
8315         --cref.
8316         (Input_objects::archive_start): Likewise.
8317         (Input_objects::archive_stop): Likewise.
8318         (Input_objects::print_cref): New function.
8319         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8320         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8321         --cref.
8322         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8323         function.
8324         * plugin.h (class Sized_pluginobj): Update declarations.
8325
8326 2010-01-05  Ian Lance Taylor  <iant@google.com>
8327
8328         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8329         to is_default_version.  Rename insdef to insdefault.
8330         (Symbol_table::add_from_relobj): Rename def to is_default_version
8331         and local to is_forced_local.
8332         (Symbol_table::add_from_pluginobj): Likewise.
8333         (Symbol_table::add_from_dynobj): Likewise.
8334         (Symbol_table::define_special_symbol): Rename insdef to
8335         insdefault.
8336
8337 2010-01-04  Ian Lance Taylor  <iant@google.com>
8338
8339         PR 10980
8340         * options.h (class General_options): Add
8341         --allow-multiple-definition and -z muldefs.
8342         * resolve.cc (Symbol_table::should_override): Don't warn about a
8343         multiple symbol definition if --allow-multiple-definition or -z
8344         muldefs.
8345
8346         PR 10980
8347         * options.h (class General_options): Add --add-needed and
8348         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8349         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8350         error if --copy-dt-needed-entries aka --add-needed is used and
8351         would cause a change in behaviour.
8352
8353         PR 10980
8354         * options.h (class General_options): Add -G as a short version of
8355         --shared.  Add no-op options -assert, -g, and -i.
8356
8357 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8358
8359         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8360         check for .text or .gnu.linkonce.t sections.
8361         * icf.cc (Icf::find_identical_sections): Ditto.
8362         Change the detection for mangled function name within the section
8363         name.
8364         * icf.h (is_section_foldable_candidate): New function.
8365
8366 2009-12-30  Ian Lance Taylor  <iant@google.com>
8367
8368         PR 10980
8369         * options.h (class General_options): Permit two dashes with
8370         --retain-symbols-file.
8371
8372 2009-12-30  Ian Lance Taylor  <iant@google.com>
8373
8374         PR 10979
8375         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8376         don't put the file header and segment headers in the text
8377         segment.
8378
8379         PR 10979
8380         * common.cc (Sort_commons::operator()): Stabilize sort when both
8381         entries are NULL.
8382         (Symbol_table::do_allocate_commons_list): When allocating common
8383         symbols, skip a symbol which is no longer common.
8384         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8385         an object before checking its type.
8386         * testsuite/common_test_2.c: New file.
8387         * testsuite/common_test_3.c: New file.
8388         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8389         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8390         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8391         (common_test_2_pic.o, common_test_2.so): New targets.
8392         (common_test_3_pic.o, common_test_3.so): New targets.
8393         * testsuite/Makefile.in: Rebuild.
8394
8395         PR 10979
8396         * script.cc (read_input_script): If we see a new SECTIONS clause,
8397         and we have added an input section, give an error.
8398         * layout.h (class Layout): Add have_added_input_section function.
8399         Add have_added_input_section_ field.
8400         * layout.cc (Layout::Layout): Initialize
8401         have_added_input_section_.
8402         (Layout::layout): Set have_added_input_section_.
8403         (Layout::layout_eh_frame): Likewise.
8404
8405 2009-12-30  Ian Lance Taylor  <iant@google.com>
8406
8407         PR 10931
8408         * options.h (class General_options): Add --sort-common option.
8409         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8410         * common.cc (Sort_common): Add sort_order parameter to
8411         constructor.  Add sort_order_ field.
8412         (Sort_commons::operator): Check sort_order_.
8413         (Symbol_table::allocate_commons): Determine the sort order.
8414         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8415         Change all callers.
8416         (Symbol_table::do_allocate_commons_list): Likewise.
8417
8418 2009-12-30  Ian Lance Taylor  <iant@google.com>
8419
8420         PR 10916
8421         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8422         symbols from this object, don't change the visibility of an
8423         undefined symbol.
8424         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8425
8426 2009-12-30  Ian Lance Taylor  <iant@google.com>
8427
8428         PR 10861
8429         * script.h (class Version_script_info): Define Language enum.
8430         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8431         new fields globals_, locals_, and is_finalized_.
8432         * script.cc: Various formatting fixes.
8433         (class Parser_closure): Change language_stack_ from a vector of
8434         std::string to one of Version_script_info::Language.  Adjust all
8435         uses accordingly.
8436         (class Lazy_demangler): Remove.
8437         (struct Version_expression): Change language from std::string to
8438         Version_script_info::Language.
8439         (Version_script_info::Version_script_info): New function.
8440         (Version_script_info::~Version_script_info): Don't call clear.
8441         (Version_script_info::finalize): New function.
8442         (Version_script_info::build_lookup_tables): New function.
8443         (Version_script_info::build_expression_list_lookup): New
8444         function.
8445         (Version_script_info::get_symbol_version_helper): Rewrite to use
8446         lookup tables.
8447         (Version_script_info::print_expression_list): Adjust to use
8448         Version_script_info::Language.
8449         (script_push_lex_into_version_mode): Check that the version script
8450         has not been finalized.
8451         (version_script_push_lang): Change language string to
8452         Version_script_info::Language.
8453         * options.cc (Command_line::version_script): New function.
8454         * options.h (class General_options): Add finalize_dynamic_list
8455         function.  Change version_script from declaration to definition.
8456         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8457         * testsuite/version_script.map: Remove duplicate def of foo.
8458         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8459         version_script.map.
8460         * testsuite/Makefile.in: Rebuild.
8461
8462 2009-12-30  Ian Lance Taylor  <iant@google.com>
8463
8464         PR 10843
8465         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8466         if the input symbol index is 0, make the output symbol index 0.
8467
8468 2009-12-30  Ian Lance Taylor  <iant@google.com>
8469
8470         PR 10670
8471         * options.h (class General_options): Add -x/--discard-all.
8472         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8473         --discard-all.  If the local symbol needs a dynamic entry, check
8474         that before handling --discard-locals.
8475
8476 2009-12-30  Ian Lance Taylor  <iant@google.com>
8477
8478         PR 10450
8479         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8480         flags to PF_R.
8481         (Output_segment::add_output_section): Don't change the flags if
8482         the type is PT_TLS.
8483
8484         PR 10450
8485         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8486         GNU hash table if they need a dynamic value.  Otherwise, don't add
8487         them if they are defined in a dynamic object or are forced local.
8488
8489 2009-12-29  Ian Lance Taylor  <iant@google.com>
8490
8491         PR 10450
8492         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8493         .gnu.hash table for a 32-bit target.
8494
8495         PR 10450
8496         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8497         regular and a dynamic object only needs a dynamic symbol table
8498         entry if it is externally visible.
8499
8500         PR 10450
8501         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8502         constructor.  Add global_offset_table_ field.
8503         (Target_i386::got_section): Set global_offset_table_.
8504         (Target_i386::do_finalize_sections): Set global_offset_table_
8505         size.
8506         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8507         in constructor.  Add global_offset_table_ field.
8508         (Target_x86_64::got_section): Set global_offset_table_.
8509         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8510         size.
8511
8512         * layout.cc (Layout::Layout): Initialize increase_relro_.
8513         (Layout::get_output_section): Add is_relro, is_last_relro, and
8514         is_first_non_relro parameters.  Change all callers.
8515         (Layout::choose_output_section): Likewise.
8516         (Layout::add_output_section_data): Likewise.
8517         (Layout::make_output_section): Likewise.
8518         (Layout::set_segment_offsets): Clear increase_relro when using a
8519         linker script.
8520         * layout.h (class Layout): Add increase_relro method.  Add
8521         increase_relro_ field.  Update declarations.
8522         * output.cc (Output_section::Output_section): Initialize
8523         is_last_relro_ and is_first_non_relro_.
8524         (Output_segment::add_output_section): Group relro sections is
8525         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8526         (Output_segment::maximum_alignment): Remove relro handling.
8527         (Output_segment::set_section_addresses): Add increase_relro
8528         parameter.  Change all callers.  Add initial alignment to align
8529         relro sections on separate page.  Remove old relro handling.
8530         (Output_segment::set_section_list_addresses): Remove in_relro
8531         parameter.  Change all callers.
8532         (Output_segment::set_offset): Add increase parameter.  Change all
8533         callers.  Remove old relro handling.
8534         * output.h (class Output_section): Add new methods: is_last_relro,
8535         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8536         Add is_last_relro_ and is_first_non_relro_ fields.
8537         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8538         Create separate .got.plt section.  Call increase_relro.
8539         * x86_64.cc (Target_x86_64::got_section): Likewise.
8540         * testsuite/relro_script_test.t: Add .got.plt.
8541
8542         PR 10450
8543         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8544         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8545         (Layout::finalize): Call set_dynamic_symbol_size.
8546         (Layout::set_dynamic_symbol_size): New function.
8547         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8548         set_dynamic_symbol_size.
8549
8550         PR 10450
8551         * output.h (class Output_section): Add is_entsize_zero_ field.
8552         * output.cc (Output_section::Output_section): Initialize
8553         is_entsize_zero_.
8554         (Output_section::set_entsize): If two different entsizes are
8555         requested, force it to zero.
8556         (Output_section::add_input_section): Set flags for .debug_str
8557         before updating section flags.  Set entsize.
8558         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8559         and SHF_STRING if all input sections have those flags.
8560
8561 2009-12-29   Rafael Espindola  <espindola@google.com>
8562
8563         * main.cc (main): Fix the sys time reporting.
8564         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8565         reporting.
8566
8567 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8568
8569         * options.cc (General_options::parse_version): Allow -v to exit
8570         without an error if there is nothing to link.
8571
8572 2009-12-29  Ian Lance Taylor  <iant@google.com>
8573
8574         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8575         using a version of gcc before 4.1.
8576         * configure: Rebuild.
8577
8578 2009-12-28  Chris Demetriou  <cgd@google.com>
8579
8580         * attributes.cc (Output_attributes_section_data::do_write): Use
8581         std::vector::front rather than std::vector::data.
8582
8583 2009-12-28  Ian Lance Taylor  <iant@google.com>
8584
8585         * symtab.h (class Symbol_table): Add enum Defined.
8586         * resolve.cc (Symbol_table::should_override): Add defined
8587         parameter.  Change all callers.  Test whether object is NULL
8588         before calling a method on it.
8589         (Symbol_table::report_resolve_problem): Add defined parameter.
8590         Change all callers.
8591         (Symbol_table::should_override_with_special): Likewise.
8592         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8593         parameter.  Change all callers.
8594         (Symbol_table::do_define_in_output_data): Likewise.
8595         (Symbol_table::define_in_output_segment): Likewise.
8596         (Symbol_table::do_define_in_output_segment): Likewise.
8597         (Symbol_table::define_as_constant): Likewise.
8598         (Symbol_table::do_define_as_constant): Likewise.
8599         * script.h (class Symbol_assignment): Add is_defsym parameter to
8600         constructor; change all callers.
8601         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8602         parameter.  Change all callers.  Add is_defsym_ field.
8603         (class Parser_closure): Add parsing_defsym parameter to
8604         constructor; change all callers.  Add parsing_defsym accessor
8605         function.  Add parsing_defsym_ field.
8606
8607 2009-12-28  Ian Lance Taylor  <iant@google.com>
8608
8609         * gold.cc (queue_middle_tasks): Fix formatting.
8610         * object.cc (Relobj::is_section_name_included): Likewise.
8611
8612 2009-12-23  Ian Lance Taylor  <iant@google.com>
8613
8614         * i386.cc (Target_i386::do_calls_non_split): Recognize
8615         -fsplit-stack prologue for a function with a static chain.
8616         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8617         -fsplit-stack prologue when using %r11.
8618
8619 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8620
8621         * options.cc (General_options::parse_version): Make -v continue and do
8622         the link like GNU ld does.
8623
8624 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8625
8626         * Makefile.am (CCFILES): Add timer.cc.
8627         (HFILES): Add timer.h.
8628         * configure.ac: Check for sysconf and times.
8629         * main.cc: include timer.h.
8630         (main): Use Timer instead of get_run_time.
8631         * timer.cc: New.
8632         * timer.h: New.
8633         * workqueue.cc: include timer.h.
8634         (Workqueue::find_and_run_task):
8635         Report user, sys and wall time.
8636         * Makefile.in: Regenerate.
8637         * config.in: Regenerate.
8638         * configure: Regenerate.
8639
8640 2009-12-16  Doug Kwan  <dougkwan@google.com>
8641
8642         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8643         sections.
8644         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8645         relaxed input sections.
8646         * output.cc (Output_section::find_relaxed_input_section): Change
8647         return type to Output_relaxed_input_section pointer.  Adjust code
8648         for new type of relaxed_input_section_map_.
8649         * output.h (Output_section::find_relaxed_input_section): Change
8650         return type to Output_relaxed_input_section pointer.
8651         (Output_section::Output_relaxed_input_section_by_input_section_map):
8652         New type.
8653         (Output_section::relaxed_input_section_map_): Change type to
8654         Output_section::Output_relaxed_input_section_by_input_section_map.
8655         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8656         input section.
8657
8658 2009-12-15  Ian Lance Taylor  <iant@google.com>
8659
8660         * layout.cc (Layout::create_shstrtab): Only write out after input
8661         sections if we are compressing debug sections.
8662
8663 2009-12-15  Ian Lance Taylor  <iant@google.com>
8664
8665         * archive.cc (Archive::add_symbols): Only look up a symbol without
8666         a version if there is, in fact, a version.
8667
8668 2009-12-14  Ian Lance Taylor  <iant@google.com>
8669
8670         Revert -Wshadow changes, all changes from:
8671         2009-12-11  Doug Kwan  <dougkwan@google.com>
8672         2009-12-11  Nick Clifton  <nickc@redhat.com>
8673         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8674
8675 2009-12-11  Doug Kwan  <dougkwan@google.com>
8676
8677         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8678         due to -Wshadow.
8679         * attributes.cc (Object_attribute::size): Ditto.
8680         (Attributes_section_data::size): Ditto.
8681         (Attributes_section_data::Attributes_section_data): Ditto.
8682         (Output_attributes_section_data::do_write): Ditto.
8683         * attributes.h (Object_attribute::set_type): Ditto.
8684         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8685
8686 2009-12-11  Nick Clifton  <nickc@redhat.com>
8687
8688         * archive.cc: Fix shadowed variable warnings.
8689         * arm.cc: Likewise.
8690         * compressed_output.cc: Likewise.
8691         * compressed_output.h: Likewise.
8692         * configure: Likewise.
8693         * dwarf_reader.cc: Likewise.
8694         * dynobj.cc: Likewise.
8695         * dynobj.h: Likewise.
8696         * ehframe.cc: Likewise.
8697         * ehframe.h: Likewise.
8698         * errors.cc: Likewise.
8699         * expression.cc: Likewise.
8700         * fileread.cc: Likewise.
8701         * fileread.h: Likewise.
8702         * freebsd.h: Likewise.
8703         * i386.cc: Likewise.
8704         * icf.cc: Likewise.
8705         * incremental.h: Likewise.
8706         * layout.cc: Likewise.
8707         * layout.h: Likewise.
8708         * mapfile.cc: Likewise.
8709         * merge.cc: Likewise.
8710         * merge.h: Likewise.
8711         * object.cc: Likewise.
8712         * object.h: Likewise.
8713         * options.h: Likewise.
8714         * output.cc: Likewise.
8715         * output.h: Likewise.
8716         * parameters.cc: Likewise.
8717         * plugin.cc: Likewise.
8718         * powerpc.cc: Likewise.
8719         * reduced_debug_output.cc: Likewise.
8720         * reduced_debug_output.h: Likewise.
8721         * reloc.cc: Likewise.
8722         * reloc.h: Likewise.
8723         * resolve.cc: Likewise.
8724         * script-sections.cc: Likewise.
8725         * script.cc: Likewise.
8726         * script.h: Likewise.
8727         * sparc.cc: Likewise.
8728         * symtab.cc: Likewise.
8729         * symtab.h: Likewise.
8730         * target-select.cc: Likewise.
8731         * target-select.h: Likewise.
8732         * token.h: Likewise.
8733         * workqueue.cc: Likewise.
8734         * workqueue.h: Likewise.
8735         * x86_64.cc: Likewise.
8736
8737 2009-12-10  Doug Kwan  <dougkwan@google.com>
8738
8739         * arm.cc (attributes.h): New include.
8740         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8741         (Arm_relobj::~Arm_relobj): Delete object pointed by
8742         attributes_section_data_.
8743         (Arm_relobj::attributes_section_data): New method definition.
8744         (Arm_relobj::attributes_section_data_): New data member declaration.
8745         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8746         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8747         attributes_section_data_.
8748         (Arm_dynobj::attributes_section_data): New method definition.
8749         (Arm_dynobj::attributes_section_data_): New data member declaration.
8750         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8751         initialization value of may_use_blx_ to false.
8752         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8753         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8754         object attributes to compute results instead of hard-coding.
8755         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8756         Target_arm::get_secondary_compatible_arch,
8757         Target_arm::set_secondary_compatible_arch
8758         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8759         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8760         New method declarations.
8761         (Target_arm::get_aeabi_object_attribute): New method definition.
8762         (Target_arm::attributes_section_data_): New data member declaration.
8763         (read_arm_attributes_section): New template definition.
8764         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8765         (Arm_dynobj::do_read_symbols): Ditto.
8766         (Target_arm::do_finalize_sections): Merge attributes sections from
8767         input.  Check for BLX use after attributes section merging.
8768         Fix __exidx_start and __exidx_end visibility.  Create an
8769         .ARM.attributes section if necessary.
8770         (Target_arm::get_secondary_compatible_arch,
8771         Target_arm::set_secondary_compatible_arch,
8772         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8773         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8774         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8775         New method definitions.
8776
8777 2009-12-09  Ian Lance Taylor  <iant@google.com>
8778
8779         * plugin.cc (Plugin::load): Don't cast from void* to a function
8780         pointer.
8781
8782 2009-12-09  Ian Lance Taylor  <iant@google.com>
8783
8784         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8785         information fields.
8786
8787 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8788
8789         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8790         Replace two_file_shared_1.so with two_file_shared_2.so.
8791         * testsuite/Makefile.in: Regenerated.
8792
8793 2009-12-08  Doug Kwan  <dougkwan@google.com>
8794
8795         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8796         (HFILES): Add attributes.h and int_encoding.h.
8797         * Makefile.in: Regenerate.
8798         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8799         function definitions to int_encoding.cc
8800         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8801         prototypes to int_encoding.h
8802         * reduced_debug_output.cc (int_encoding.h): New include.
8803         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8804         function definitions to int_encoding.cc
8805         (insert_into_vector, read_from_pointer): Move template definitions to
8806         int_encoding.h
8807         * attributes.cc: New file.
8808         * attributes.h: New file.
8809         * int_encoding.cc: New file.
8810         * int_encoding.h: New file.
8811
8812 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8813
8814         PR gold/11055
8815         * incremental-dump.cc (dump_incremental_inputs): New.
8816         (main): Use dump_incremental_inputs.
8817
8818 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8819
8820         PR gold/10893
8821         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8822         checking elfcpp::STT_FUNC.
8823         (Target_i386::Relocate::relocate): Likewise.
8824         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8825
8826         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8827         symbols from shared libraries into normal FUNC symbols.
8828
8829         * symtab.h (Symbol): Add is_func and use it.
8830
8831 2009-12-05  Doug Kwan  <dougkwan@google.com>
8832
8833         * arm.cc (Target_arm::arm_info): Initialize new fields
8834         attributes_section and attributes_vendor.
8835         * i386.cc (Target_i386::i386_info): Same.
8836         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8837         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8838         fields attributes_section and attributes_vendor.
8839         * sparc.cc (Target_sparc::sparc_info): Same.
8840         * target.h (Target::attributes_section, Target::attributes_vendor,
8841         Target::is_attributes_section, Target::attribute_arg_type,
8842         Target::attributes_order): New method definitions.
8843         (Target::Target_info::attributes_section,
8844         Target::Target_info::attributes_vendor): New fields.
8845         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8846         virtual method definitions.
8847         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8848         attributes_section and attributes_vendor.
8849         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8850
8851 2009-12-05  Doug Kwan  <dougkwan@google.com>
8852
8853         * arm.cc: Update comments about interworking and stub generation.
8854         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8855         considered as non-PIC.
8856         (Arm_relocate_functions::base_abs): Fix formatting.
8857         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8858         of function to use GOT entry address instead of offset.
8859         (Target_arm::Scan::global): Issue an error if a symbol would need a
8860         PLT does not get one because it is untyped.  Remove code to create
8861         dynamic symbols for relative branches.
8862         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8863         takes unsigned integer instead of boolean.
8864
8865 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8866
8867         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8868         (two_file_test_LDADD): Likewise.
8869         (common_test_1_LDADD): Likewise.
8870         (exception_test_LDADD) Likewise.
8871         (weak_test_LDADD): Likewise.
8872         (many_sections_test_LDADD): Likewise.
8873         (initpri1_LDADD): Likewise.
8874         (script_test_1_LDADD): Likewise.
8875         (script_test_2_LDADD): Likewise.
8876         (justsyms_LDADD): Likewise.
8877         (binary_test_LDADD): Likewise.
8878         (large_LDADD): Likewise.
8879         * testsuite/Makefile.in: Regenerated.
8880
8881 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8882
8883         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8884         (Symbol_table::override_with_special): Likewise.
8885         (Symbol_table::add_from_object): Likewise.
8886
8887 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8888
8889         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8890         Don't set the data_offset twice.
8891
8892 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8893
8894         * testsuite/Makefile.in: Regenerate.
8895
8896 2009-12-03  Doug Kwan  <dougkwan@google.com>
8897
8898         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8899         (Target_arm::do_finalize_sections): Add parameter for symbol table
8900         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8901         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8902         parameter for symbol table pointer.
8903         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8904         an additional parameter for a pointer to symbol table.
8905         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8906         parameter for a symbol table pointer.
8907         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8908         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8909         Ditto.
8910         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8911         parameter for a symbol table pointer.
8912
8913 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8914
8915         * incremental.cc (Incremental_inputs_header)
8916         (Incremental_inputs_header_write, Incremental_inputs_entry)
8917         (Incremental_inputs_entry_write): Move ...
8918         * incremental.h (Incremental_inputs_header)
8919         (Incremental_inputs_header_write, Incremental_inputs_entry)
8920         (Incremental_inputs_entry_write): here.
8921
8922 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8923
8924         * incremental.cc (make_sized_incremental_binary): Set the target.
8925         Error if it is incompatible.
8926         * output.h (Output_file): Add filename method.
8927
8928 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8929
8930         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8931         from the get_* methods.
8932
8933 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8934
8935         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8936         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8937         Write 0 for the data_offset of scripts.
8938
8939 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8940
8941         * testsuite/Makefile.am: Add the incremental_test.sh test.
8942         * testsuite/incremental_test.sh: New.
8943         * testsuite/incremental_test_1.c: New.
8944         * testsuite/incremental_test_2.c: New.
8945
8946 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8947
8948         * incremental-dump.cc (main): Fix typos.
8949
8950 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8951
8952         PR gold/11025
8953         * incremental-dump.cc (main): Use llu to print 64 bit values.
8954
8955 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8956             H.J. Lu  <hongjiu.lu@intel.com>
8957
8958         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8959         $(LIBDL).
8960         (incremental_dump_LDADD): Likewise.
8961         * Makefile.in: Regenerated.
8962
8963 2009-11-25  Doug Kwan  <dougkwan@google.com>
8964
8965         Revert:
8966
8967         2009-11-25  Doug Kwan  <dougkwan@google.com>
8968
8969                 * arm.cc (Target_arm::Target_arm): Move method definition
8970                 outside of class definition.  Add code to handle
8971                 --target1-rel, --target1-abs and --target2= options.
8972                 (Target_arm::get_reloc_reloc_type): Change method to be
8973                 non-static and const.
8974                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8975                 New data member declaration.
8976                 (Target_arm::Scan::local, Target_arm::Scan::global,
8977                 Target_arm::Relocate::relocate,
8978                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8979                 Adjust call to Target_arm::get_real_reloc_type.
8980                 (Target_arm::get_real_reloc_type): Use command line options
8981                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8982                 * options.h (--target1-rel, --target1-abs, --target2): New
8983                 ARM-only options.
8984
8985 2009-11-25  Doug Kwan  <dougkwan@google.com>
8986
8987         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8988         class definition.  Add code to handle --target1-rel, --target1-abs
8989         and --target2= options.
8990         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8991         and const.
8992         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8993         member declaration.
8994         (Target_arm::Scan::local, Target_arm::Scan::global,
8995         Target_arm::Relocate::relocate,
8996         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8997         call to Target_arm::get_real_reloc_type.
8998         (Target_arm::get_real_reloc_type): Use command line options to
8999         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9000         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9001         options.
9002
9003 2009-11-25  Doug Kwan  <dougkwan@google.com>
9004
9005         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9006         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9007         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9008         formatting.
9009         (Arm_relocate_functions::thm_call): Replace body with a call to
9010         Arm_relocate_functions::thumb_branch_common.
9011         (Arm_relocate_functions::thm_jump24,
9012         Arm_relocate_functions::thm_xpc22): New method definitions.
9013         (Arm_relocate_functions::thumb_branch_common): New method definition.
9014         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9015         operator.
9016         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9017         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9018
9019 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9020
9021         * Makefile.am: Build incremental-dump
9022         * Makefile.in: Regenerate.
9023         * incremental-dump.cc: New.
9024         * incremental.cc (Incremental_inputs_header_data,
9025         Incremental_inputs_entry_data): Move to incremental.h
9026         * incremental.h: (Incremental_inputs_header_data,
9027         Incremental_inputs_entry_data): Move from incremental.cc
9028
9029 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9030
9031         * incremental.cc (Incremental_inputs_header,
9032         Incremental_inputs_header_write, Incremental_inputs_entry,
9033         Incremental_inputs_entry_write): Add a typedef with the data type.
9034
9035 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9036
9037         * incremental.cc (Incremental_inputs_header,
9038         Incremental_inputs_header_write, Incremental_inputs_entry,
9039         Incremental_inputs_entry_write): Update comment about which
9040         type has the filed descriptions.
9041
9042 2009-11-15  Doug Kwan  <dougkwan@google.com>
9043
9044         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9045         (Arm_relocate_functions::arm_branch_common): Change method defintion
9046         in class definition to a method declaration and update list of formal
9047         parameters.
9048         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9049         Arm_relocation_functions::jump24): Adjust call to
9050         Arm_relocate_functions::arm_branch_common.  Update list of formal
9051         parameters.
9052         (Arm_relocate_functions::xpc25): New method definition.
9053         (Arm_relocate_functions::arm_branch_common): Move method defintion
9054         out from class definition.  Use stubs for mode-switching and extending
9055         branch ranges.
9056         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9057         specially.  Change code to enable use of stubs in ARM branches.
9058
9059 2009-11-10  Doug Kwan  <dougkwan@google.com>
9060
9061         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9062         in method declaration.
9063         (Target_arm::relocate_stub): New method declaration.
9064         (Target_arm::default_target): Change to return a pointer instead of
9065         a const reference.
9066         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9067         Target_arm::default_target.
9068         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9069         method definition.
9070         (Target_arm::relocate_section): Adjust view.
9071         (Target_arm::relocate_stub): New method definition.
9072
9073 2009-11-10  Doug Kwan  <dougkwan@google.com>
9074
9075         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9076         a format warning.
9077         * incremental.cc (open_incremental_binary): Initialized local
9078         variables to avoid warnings.
9079         * object.cc (make_elf_object): Ditto.
9080         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9081         a format warning.
9082
9083 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9084
9085         PR gold/10930
9086         * testsuite/plugin_test.c: Include "config.h".
9087
9088 2009-11-09  Doug Kwan  <dougkwan@google.com>
9089
9090         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9091         (arm_symbol_value): Remove.
9092         (Arm_relocate_functions::arm_branch_common,
9093         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9094         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9095         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9096         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9097         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9098         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9099         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9100         Arm_relocate_functions::thm_mobw_abs_nc,
9101         Arm_relocate_functions::thm_mov_abs,
9102         Arm_relocate_functions::movw_prel_nc,
9103         Arm_relocate_functions::thm_movt_abs,
9104         Arm_relocate_functions::movt_prel,
9105         Arm_relocate_functions::thm_movw_prel_nc,
9106         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9107         (Target_arm::Relocate::relocate): Only decompose address into two
9108         parts if relocation type uses the thumb-bit and pass the actual
9109         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9110         calls to methods in Arm_relocate_functions for this change.
9111
9112 2009-11-08  Ian Lance Taylor  <iant@google.com>
9113
9114         PR 10925
9115         * reloc.cc: Instantiate
9116         Sized_relobj::initialize_input_to_output_maps and
9117         Sized_relobj:free_input_to_output_maps.
9118
9119 2009-11-06  Ian Lance Taylor  <iant@google.com>
9120
9121         PR 10876
9122         * defstd.cc (in_segment): Set only_if_ref true for "end".
9123
9124 2009-11-06  Doug Kwan  <dougkwan@google.com>
9125
9126         * arm.cc (class Reloc_stub): Correct a comment.
9127         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9128         (Target_arm::scan_section_for_stubs): New method declaration.
9129         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9130         Change methods from private to protected.
9131         (Target_arm::do_may_relax): New method definition.
9132         (Target_arm::do_relax, Target_arm::group_sections,
9133         Target_arm::scan_reloc_for_stub,
9134         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9135         (Target_arm::arm_input_section_map_): New data member declaration.
9136         (Target_arm::scan_reloc_for_stub,
9137         Target_arm::scan_reloc_section_for_stubs,
9138         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9139         Target_arm::do_relax): New method definitions.
9140
9141 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9142
9143         * configure.ac: Check for (struct stat)::st_mtim
9144         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9145         * config.in: Regenerate.
9146         * configure: Regenerate.
9147
9148 2009-11-05  Ian Lance Taylor  <iant@google.com>
9149
9150         PR 10910
9151         * output.cc (Output_segment::add_output_section): Add missing
9152         return statement.
9153
9154 2009-11-04  Ian Lance Taylor  <iant@google.com>
9155
9156         PR 10880
9157         * object.h (class Object): Add is_needed and set_is_needed
9158         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9159         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9160         defined in a dynamic object and referenced by a regular object,
9161         set is_needed for the dynamic object.
9162         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9163         if the file is marked with as_needed and it is not needed.
9164
9165 2009-11-04  Ian Lance Taylor  <iant@google.com>
9166
9167         PR 10887
9168         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9169         tags if data is discarded by linker script.
9170         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9171         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9172         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9173         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9174
9175 2009-11-04  Ian Lance Taylor  <iant@google.com>
9176
9177         * layout.cc (Layout::get_output_section): Add is_interp and
9178         is_dynamic_linker_section parameters.  Change all callers.
9179         (Layout::choose_output_section): Likewise.
9180         (Layout::make_output_section): Likewise.
9181         (Layout::add_output_section_data): Add is_dynamic_linker_section
9182         parameter.  Change all callers.
9183         * layout.h (class Layout): Update declarations.
9184         * output.h (class Output_section): Add is_interp, set_is_interp,
9185         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9186         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9187         generate_code_fills_at_write_ to a bitfield.
9188         * output.cc (Output_section::Output_sections): Initialize new
9189         fields.
9190         (Output_segment::add_output_section): Add do_sort parameter.
9191         Change all callers.
9192
9193 2009-11-03  Ian Lance Taylor  <iant@google.com>
9194
9195         PR 10860
9196         * options.h (class General_options): Add --warn-common.
9197         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9198         merging two common symbols.
9199         (Symbol_table::should_override): Handle --warn-common when merging
9200         a common symbol with a defined symbol.  Use report_resolve_problem
9201         for multiple definitions.
9202         (Symbol_table::report_resolve_problem): New function.
9203         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9204
9205 2009-11-03  Doug Kwan  <dougkwan@google.com>
9206
9207         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9208         stub_factory_.
9209         (Target_arm::stub_factory): New method definition.
9210         (Target_arm::new_arm_input_section,
9211         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9212         Target_arm::reloc_uses_thumb_bit): New method declarations.
9213         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9214         New type definitions.
9215         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9216         member declarations.
9217         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9218         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9219         New method definitions.
9220
9221 2009-11-03  Ian Lance Taylor  <iant@google.com>
9222
9223         * options.h (class General_options): Add --warn_constructors.
9224
9225 2009-11-03  Ian Lance Taylor  <iant@google.com>
9226
9227         PR 10893
9228         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9229         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9230
9231 2009-11-03  Ian Lance Taylor  <iant@google.com>
9232
9233         PR 10895
9234         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9235         --msgid-bugs-address.
9236         (install-pdf): New target.
9237         (install-data_yes): Look up one directory to find mkinstalldirs.
9238
9239 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9240
9241         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9242         tree.
9243
9244 2009-10-30  Doug Kwan  <dougkwan@google.com>
9245
9246         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9247
9248 2009-10-30  Doug Kwan  <dougkwan@google.com>
9249
9250         * arm.cc (Stub_addend_reader): New struct template definition
9251         and partial specializations.
9252         (Stub_addend_reader::operator()): New method definition for a
9253         partially specialized template.
9254
9255 2009-10-30  Doug Kwan  <dougkwan@google.com>
9256
9257         * arm.cc (Arm_relobj::processor_specific_flags): New method
9258         definition.
9259         (Arm_relobj::do_read_symbols): New method declaration.
9260         (Arm_relobj::processor_specific_flags_): New data member declaration.
9261         (Arm_dynobj): New class definition.
9262         (Target_arm::do_finalize_sections): Add input_objects parameter.
9263         (Target_arm::do_adjust_elf_header): New method declaration.
9264         (Target_arm::are_eabi_versions_compatible,
9265         (Target_arm::merge_processor_specific_flags): New method declaration.
9266         (Target_arm::do_make_elf_object): New overloaded method definitions
9267         and declaration.
9268         (Arm_relobj::do_read_symbols): New method definition.
9269         (Arm_dynobj::do_read_symbols): Ditto.
9270         (Target_arm::do_finalize_sections): Add input_objects parameters.
9271         Merge processor-specific flags from all input objects.
9272         (Target_arm::are_eabi_versions_compatible,
9273         Target_arm::merge_processor_specific_flags,
9274         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9275         New method definitions.
9276         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9277         Input_objects pointer type parameter.
9278         * layout.cc (Layout::finalize): Pass input objects to target's.
9279         finalize_sections function.
9280         * output.cc (Output_file_header::do_sized_write): Set ELF file
9281         header's processor-specific flags.
9282         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9283         Input_objects pointer type parameter.
9284         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9285         * target.h (Input_objects): New forward class declaration.
9286         (Target::processor_specific_flags,
9287         Target::are_processor_specific_flags_sect): New method definitions.
9288         (Target::finalize_sections): Add input_objects parameter.
9289         (Target::Target): Initialize processor_specific_flags_ and
9290         are_processor_specific_flags_set_.
9291         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9292         parameter.
9293         (Target::set_processor_specific_flags): New method definition.
9294         (Target::processor_specific_flags_,
9295         Target::are_processor_specific_flags_set_): New data member
9296         declarations.
9297         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9298         Input_objects pointer type parameter.
9299
9300 2009-10-30  Doug Kwan  <dougkwan@google.com>
9301
9302         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9303
9304 2009-10-28  Ian Lance Taylor  <iant@google.com>
9305
9306         * object.h (class Relobj): Drop options parameter from
9307         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9308         do_scan_relocs, do_relocate.  Change all callers.
9309         (class Sized_relobj): Drop options parameters from
9310         do_gc_process_relocs, do_scan_relocs, do_relocate,
9311         do_relocate_sections, relocate_sections, emit_relocs_scan,
9312         emit_relocs_scan_reltype.  Change all callers.
9313         (struct Relocate_info): Remove options field and all references to
9314         it.
9315         * reloc.h (class Read_relocs): Remove options constructor
9316         parameter and options_ field.  Change all callers.
9317         (class Gc_process_relocs, class Scan_relocs): Likewise.
9318         (class Relocate_task): Likewise.
9319         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9320         all callers.
9321         (scan_relocatable_relocs): Likewise.
9322         * target.h (class Sized_target): Remove options parameter from
9323         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9324         all callers.
9325         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9326         callers.
9327         * arm.cc: Update functions to remove options parameters.
9328         * i386.cc: Likewise.
9329         * powerpc.cc: Likewise.
9330         * sparc.cc: Likewise.
9331         * x86_64.cc: Likewise.
9332         * testsuite/testfile.cc: Likewise.
9333
9334 2009-10-28  Doug Kwan  <dougkwan@google.com>
9335
9336         * arm.cc (Arm_relobj): New class definition.
9337         (Arm_relobj::scan_sections_for_stubs,
9338         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9339         New method definitions.
9340
9341 2009-10-28  Cary Coutant  <ccoutant@google.com>
9342
9343         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9344         (Plugin::cleanup_done_): New member.
9345         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9346         (Plugin_manager::cleanup_done_): Remove.
9347         (Plugin_manager::add_input_file): Edit error message.
9348         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9349         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9350
9351 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9352
9353         * fileread.cc: (File_read::View::~View): Use the new
9354         data_ownership_ filed.
9355         (File_read::~File_read): Dispose the new whole_file_view_.
9356         (File_read::open): Mmap the whole file if needed.
9357         (File_read::open): Use whole_file_view_ instead of contents_.
9358         (File_read::find_view): Use whole_file_view_ if applicable.
9359         (File_read::do_read): Use whole_file_view_ instead of contents_.
9360         (File_read::make_view): Use whole_file_view_ instead of contents_,
9361         update File_read::View::View call.
9362         (File_read::find_or_make_view): Update File_read::View::View
9363         call.
9364         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9365         remove contents_
9366         (File_read::View::Data_ownership): New enum.
9367         (File_read::View::View): Replace bool mapped_ with Data_ownership
9368         argument.
9369         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9370         (File_read::View::data_ownership_): New field.
9371         (File_read::contents_): Remove (replaced by whole_file_view_).
9372         (File_read::whole_file_view_): New field.
9373         * options.h (class General_options): Add --keep-files-mapped.
9374
9375 2009-10-27  Cary Coutant  <ccoutant@google.com>
9376
9377         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9378         * testsuite/Makefile.am (plugin_test_5): New test case.
9379         * testsuite/Makefile.in: Regenerate.
9380
9381 2009-10-25  Doug Kwan  <dougkwan@google.com>
9382
9383         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9384         from private to protected to allow access by child class.
9385         (Sized_relobj::do_relocate_sections): New method declaration.
9386         (Sized_relobj::relocate_sections): Virtualize.
9387         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9388         Sized_relobj::relocate_sections.  Instantiate template explicitly
9389         for different target sizes and endianity.
9390
9391 2009-10-24  Doug Kwan  <dougkwan@google.com>
9392
9393         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9394         (Arm_input_section::as_arm_input_section): New method.
9395         (Arm_output_section): New class definition.
9396         (Arm_output_section::create_stub_group,
9397         Arm_output_section::group_sections): New method definitions.
9398
9399 2009-10-22  Doug Kwan  <dougkwan@google.com>
9400
9401         * arm.cc (Arm_input_section): New class definition.
9402         (Arm_input_section::init, Arm_input_section:do_write,
9403         Arm_input_section::set_final_data_size,
9404         Arm_input_section::do_reset_address_and_file_offset): New method
9405         definitions.
9406
9407 2009-10-21  Doug Kwan  <dougkwan@google.com>
9408
9409         * arm.cc (Stub_table, Arm_input_section): New forward class
9410         declarations.
9411         (Stub_table): New class defintion.
9412         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9413         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9414         New method definition.
9415
9416 2009-10-21  Doug Kwan  <dougkwan@google.com>
9417
9418         * arm.cc: Update copyright comments.
9419         (Target_arm): New forward class template declaration.
9420         (Arm_address): New type.
9421         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9422         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9423         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9424         constants.
9425         (Insn_template): Same.
9426         (DEF_STUBS): New macro.
9427         (Stub_type): New enum type.
9428         (Stub_template): New class definition.
9429         (Stub): Same.
9430         (Reloc_stub): Same.
9431         (Stub_factory): Same.
9432         (Target_arm::Target_arm): Initialize may_use_blx_ and
9433         should_force_pic_veneer_.
9434         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9435         Target_arm::should_force_pic_veneer,
9436         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9437         Target_arm::using_thumb_only, Target_arm:;default_target): New
9438         method defintions.
9439         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9440         New data member declarations.
9441         (Insn_template::size, Insn_template::alignment): New method defintions.
9442         (Stub_template::Stub_template): New method definition.
9443         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9444         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9445         (Stub_factory::Stub_factory): New method definition.
9446         * gold.h (string_hash): New template.
9447         * output.h (Input_section_specifier::hash_value): Use
9448         gold::string_hash.
9449         (Input_section_specifier::string_hash): Remove.
9450         * stringpool.cc (Stringpool_template::string_hash): Use
9451         gold::string_hash.
9452
9453 2009-10-20  Doug Kwan  <dougkwan@google.com>
9454
9455         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9456         symbols of relaxed input sections.
9457         * output.h (Output_section::find_relaxed_input_section): Make
9458         method public.
9459
9460 2009-10-16  Doug Kwan  <dougkwan@google.com>
9461
9462         * dynobj.cc (Versions::Versions): Initialize version_script_.
9463         Only insert base version symbol definition for a shared object
9464         if version script defines any version versions.
9465         (Versions::define_base_version): New method definition.
9466         (Versions::add_def): Check that base version is not needed.
9467         (Versions::add_need): Define base version lazily.
9468         * dynobj.h (Versions::define_base_version): New method declaration.
9469         (Versions::needs_base_version_): New data member declaration.
9470         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9471         (check_DATA): Add no_version_test.stdout.
9472         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9473         New make rules.
9474         * testsuite/Makefile.in: Regenerate.
9475         * testsuite/no_version_test.c: New file.
9476         * testsuite/no_version_test.sh: Ditto.
9477
9478 2009-10-16  Doug Kwan  <dougkwan@google.com>
9479
9480         * expression.cc (class Segment_start_expression): New class definition.
9481         (Segment_start_expression::value): New method definition.
9482         (script_exp_function_segment_start): Return a new
9483         Segment_start_expression.
9484         * gold/script-c.h (script_saw_segment_start_expression): New function
9485         prototype.
9486         * script-sections.cc (Script_sections::Script_sections): Initialize
9487         SAW_SEGMENT_START_EXPRESSION_ to false.
9488         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9489         and -Tbbs options to specify section addresses if given in
9490         command line and no SEGMENT_START expression is seen in a script.
9491         * script-sections.h (Script_sections::saw_segment_start_expression,
9492         Script_sections::set_saw_segment_start_expression): New method
9493         definition.
9494         (Script_sections::saw_segment_start_expression_): New data member
9495         declaration.
9496         * script.cc (script_saw_segment_start_expression): New function.
9497         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9498         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9499         script_test_7.sh and script_test_8.sh.
9500         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9501         script_test_8.stdout.
9502         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9503         (script_test_6, script_test_6.stdout, script_test_7,
9504         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9505         * Makefile.in: Regenerate.
9506         * testsuite/script_test_6.sh: New file.
9507         * testsuite/script_test_6.t: Same.
9508         * testsuite/script_test_7.sh: Same.
9509         * testsuite/script_test_7.t: Same.
9510         * testsuite/script_test_8.sh: Same.
9511
9512 2009-10-16  Doug Kwan  <dougkwan@google.com>
9513
9514         * output.cc (Output_segment::set_section_list_address): Cast
9515         expressions to unsigned long long type to avoid format warnings.
9516
9517 2009-10-15  Ian Lance Taylor  <iant@google.com>
9518
9519         * script.cc (Script_options::add_symbol_assignment): Always add a
9520         dot assignment to script_sections_.
9521         * script-sections.cc (Script_sections::add_dot_assignment):
9522         Initialize if necessary.
9523
9524         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9525         program headers with no load segment if there is a linker script.
9526
9527         * layout.cc (Layout::set_segment_offsets): Align the file offset
9528         to the segment aligment for -N or -n with no load segment.
9529         * output.cc (Output_segment::add_output_section): Don't crash if
9530         the first section is a TLS section.
9531         (Output_segment::set_section_list_addresses): Print an error
9532         message if the address moves backward in a linker script.
9533         * script-sections.cc
9534         (Output_section_element_input::set_section_addresses): Don't
9535         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9536         (Orphan_output_section::set_section_addresses): Likewise.
9537
9538 2009-10-15  Doug Kwan  <dougkwan@google.com>
9539
9540         * layout.cc (Layout::finish_dynamic_section): Generate tags
9541         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9542         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9543         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9544
9545 2009-10-14  Ian Lance Taylor  <iant@google.com>
9546
9547         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9548         fields.
9549         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9550         data_shdr fields of relinfo.
9551         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9552         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9553         R_386_TLS_LDO_32, adjust based on section flags.
9554         (Target_i386::Relocate::fix_up_ldo): Remove.
9555
9556 2009-10-13  Ian Lance Taylor  <iant@google.com>
9557
9558         Add support for -pie.
9559         * options.h (class General_options): Add -pie and
9560         --pic-executable.
9561         (General_options::output_is_position_independent): Test -pie.
9562         (General_options::output_is_executable): Return true if not shared
9563         and not relocatable.
9564         (General_options::output_is_pie): Remove.
9565         * options.cc (General_options::finalize): Reject incompatible uses
9566         of -pie.
9567         * gold.cc (queue_middle_tasks): A -pie link is not static.
9568         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9569         * symtab.cc (Symbol::final_value_is_known): Return false if
9570         output_is_position_independent.
9571         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9572         output_is_position_independent.
9573         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9574         output_is_position_independent.
9575         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9576         output_is_position_independent.
9577         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9578         two_file_pie_test.
9579         (basic_pie_test.o, basic_pie_test): New targets.
9580         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9581         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9582         (two_file_pie_test): New target.
9583         * testsuite/Makefile.in: Rebuild.
9584         * README: Remove note saying that -pie is not supported.
9585
9586 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9587
9588         * options.h (class General_options): Add -init and -fini.
9589         * layout.cc (Layout::finish_dynamic_section): Emit
9590         given init and fini functions.
9591
9592 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9593
9594         * gc.h (gc_process_relocs): Check if icf is enabled using new
9595         function.
9596         * gold.cc (queue_initial_tasks): Likewise.
9597         (queue_middle_tasks): Likewise.
9598         * object.cc (do_layout): Likewise.
9599         * symtab.cc (is_section_folded): Likewise.
9600         * main.cc (main): Likewise.
9601         * reloc.cc (Read_relocs::run): Likewise.
9602         (Sized_relobj::do_scan_relocs): Likewise.
9603         * icf.cc (is_function_ctor_or_dtor): New function.
9604         (Icf::find_identical_sections): Check if function is ctor or dtor when
9605         safe icf is chosen.
9606         * options.h (General_options::icf): Change option to be an enum.
9607         (Icf_status): New enum.
9608         (icf_enabled): New method.
9609         (icf_safe_folding): New method.
9610         (set_icf_status): New method.
9611         (icf_status_): New variable.
9612         * (options.cc) (General_options::finalize): Set icf_status_.
9613         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9614         icf_test and icf_keep_unique_test to use the --icf enum flag.
9615         * testsuite/icf_safe_test.sh: New file.
9616         * testsuite/icf_safe_test.cc: New file.
9617
9618 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9619
9620         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9621         includes to gc.h and icf.h.
9622         * arm.cc: Include gc.h.
9623         * gold.cc: Likewise.
9624         * i386.cc: Likewise.
9625         * powerpc.cc: Likewise.
9626         * sparc.cc: Likewise.
9627         * x86_64.cc: Likewise.
9628         * gc.h: Include icf.h.
9629
9630 2009-10-11  Ian Lance Taylor  <iant@google.com>
9631
9632         * plugin.cc: Include "gold.h" before other header files.
9633
9634 2009-10-10  Chris Demetriou  <cgd@google.com>
9635
9636         * options.h (Input_file_argument::Input_file_type): New enum.
9637         (Input_file_argument::is_lib_): Replace with...
9638         (Input_file_argument::type_): New member.
9639         (Input_file_argument::Input_file_argument): Take Input_file_type
9640         'type' rather than boolean 'is_lib' as second argument.
9641         (Input_file_argument::is_lib): Use type_.
9642         (Input_file_argument::is_searched_file): New function.
9643         (Input_file_argument::may_need_search): Handle is_searched_file.
9644         * options.cc (General_options::parse_library): Support -l:filename.
9645         (General_options::parse_just_symbols): Update for Input_file_argument
9646         changes.
9647         (Command_line::process): Likewise.
9648         * archive.cc (Archive::get_file_and_offset): Likewise.
9649         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9650         * script.cc (read_script_file, script_add_file): Likewise.
9651         * fileread.cc (Input_file::Input_file): Likewise.
9652         (Input_file::will_search_for): Handle is_searched_file.
9653         (Input_file::open): Likewise.
9654         * readsyms.cc (Read_symbols::get_name): Likewise.
9655         * testsuite/Makefile.am (searched_file_test): New test.
9656         * testsuite/Makefile.in: Regenerate.
9657         * testsuite/searched_file_test.cc: New file.
9658         * testsuite/searched_file_test_lib.cc: New file.
9659
9660 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9661             Ian Lance Taylor  <iant@google.com>
9662
9663         * descriptor.cc: Include <cstdio> and "binary-io.h".
9664         (Descriptors::open): Open the files in binary mode always.
9665         * script.cc (Lex::get_token): Treat \r as whitespace.
9666
9667 2009-10-09  Ian Lance Taylor  <iant@google.com>
9668
9669         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9670
9671 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9672             Ian Lance Taylor  <iant@google.com>
9673
9674         * configure.ac: Check for readv function also.
9675         * fileread.cc (readv): Define if not HAVE_READV.
9676         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9677         does not exist.
9678         * config.in: Regenerate.
9679         * configure: Regenerate.
9680
9681 2009-10-09  Doug Kwan  <dougkwan@google.com>
9682
9683         * layout.cc (Layout::make_output_section): Call target hook to make
9684         ordinary output section.
9685         (Layout::finalize): Adjust parameter list of call the
9686         Target::may_relax().
9687         * layout.h (class Layout::section_list): New method.
9688         * merge.h (Output_merge_base::entsize): Change visibility to public.
9689         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9690         New methods.
9691         (Output_merge_string::do_is_string): New method.
9692         * object.cc (Sized_relobj::do_setup): renamed from
9693         Sized_relobj::set_up.
9694         * object.h (Sized_relobj::adjust_shndx,
9695         Sized_relobj::initializ_input_to_output_maps,
9696         Sized_relobj::free_input_to_output_maps): Change visibilities to
9697         protected.
9698         (Sized_relobj::setup): Virtualize.
9699         (Sized_relobj::do_setup): New method declaration.
9700         (Sized_relobj::invalidate_section_offset,
9701         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9702         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9703         * options.cc (parse_int): New function.
9704         * options.h (parse_int): New declaration.
9705         (DEFINE_int): New macro.
9706         (stub_group_size): New option.
9707         * output.cc (Output_section::Output_section): Initialize memebers
9708         merge_section_map_, merge_section_by_properties_map_,
9709         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9710         (Output_section::add_input_section): Handled deferred code-fill
9711         generation and remove an old comment.
9712         (Output_section::add_relaxed_input_section): New method definition.
9713         (Output_section::add_merge_input_section): Use merge section by
9714         properties map to speed to search.  Update merge section maps
9715         as appropriate.
9716         (Output_section::build_relaxation_map): New method definition.
9717         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9718         Same.
9719         (Output_section::relax_input_section): Renamed to
9720         Output_section::convert_input_sections_to_relaxed_sections and change
9721         interface to take a vector of pointers to relaxed sections.
9722         (Output_section::find_merge_section,
9723         Output_section::find_relaxed_input_section): New method definitions.
9724         (Output_section::is_input_address_mapped,
9725         Output_section::output_offset, Output_section::output_address):
9726         Use output section data maps to speed up searching.
9727         (Output_section::find_starting_output_address): Add comments.
9728         (Output_section::do_write,
9729         Output_section::write_to_postprocessing_buffer): Do code-fill
9730         generation as appropriate.
9731         (Output_section::get_input_sections): Invalidate relaxed input section
9732         map.
9733         (Output_section::restore_states): Adjust type of checkpoint .
9734         Invalidate relaxed input section map.
9735         * output.h (Output_merge_base): New class declaration.
9736         (Input_section_specifier): New class defintion.
9737         (class Output_relaxed_input_section) Change base class to
9738         Output_section_data_build.
9739         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9740         base class initializer.
9741         (Output_section::add_relaxed_input_section): New method declaration.
9742         (Output_section::Input_section): Change visibility to protected.
9743         (Output_section::Input_section::relobj,
9744         Output_section::Input_section::shndx): Handle relaxed input sections.
9745         Output_section::input_sections) Change visibility to protected.  Also
9746         define overload to return a non-const pointer.
9747         (Output_section::Merge_section_properties): New class defintion.
9748         (Output_section::Merge_section_by_properties_map,
9749         Output_section::Output_section_data_by_input_section_map,
9750         Output_section::Relaxation_map): New types.
9751         (Output_section::relax_input_section): Rename method to
9752         Output_section::convert_input_sections_to_relaxed_sections and change
9753         interface to take a vector of relaxed section pointers.
9754         (Output_section::find_merge_section,
9755         Output_section::find_relaxed_input_section,
9756         Output_section::build_relaxation_map,
9757         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9758         New method declarations.
9759         (Output_section::merge_section_map_
9760         Output_section::merge_section_by_properties_map_,
9761         Output_section::relaxed_input_section_map_,
9762         Output_section::is_relaxed_input_section_map_valid_,
9763         Output_section::generate_code_fills_at_write_): New data members.
9764         * script-sections.cc
9765         (Output_section_element_input::set_section_addresses): Call
9766         current_data_size and addralign methods of relaxed input sections.
9767         (Orphan_output_section::set_section_addresses): Call current_data_size
9768         and addralign methods of relaxed input sections.
9769         * symtab.cc (Symbol_table::compute_final_value): Extract template
9770         from the body of Symbol_table::sized_finalize_symbol.
9771         (Symbol_table::sized_finalized_symbol): Call
9772         Symbol_table::compute_final_value.
9773         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9774         (Symbol_table::compute_final_value): New templated method declaration.
9775         * target.cc (Target::do_make_output_section): New method defintion.
9776         * target.h (Target::make_output_section): New method declaration.
9777         (Target::relax): Add more parameters for input objects, symbol table
9778         and layout.  Adjust call to do_relax.
9779         (Target::do_make_output_section): New method declaration.
9780         (Target::do_relax): Add parameters for input objects, symbol table
9781         and layout.
9782
9783 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9784
9785         * pread.c: Include stdio.h.
9786
9787 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9788
9789         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9790         defined.
9791
9792 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9793
9794         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9795         Change read_shndx type to unsigned int.
9796         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9797         int.
9798         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9799         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9800         Change read_shndx type to unsigned int.
9801         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9802         int.
9803         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9804         * layout.cc (Layout::create_symtab_sections): Cast the result of
9805         local_symcount * symsize to off_t in the gold_assert.
9806
9807 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9808
9809         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9810         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9811         R_ARM_BASE_ABS.
9812         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9813         (Arm_relocate_functions::thm_abs5): New function.
9814         (Arm_relocate_functions::abs12): New function.
9815         (Arm_relocate_functions::abs16): New function.
9816         (Arm_relocate_functions::base_abs): New function.
9817         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9818         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9819         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9820         R_ARM_BASE_ABS.
9821         (Scan::global): Likewise.
9822         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9823         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9824         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9825         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9826         R_ARM_BASE_ABS.
9827
9828 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9829
9830         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9831         (Arm_relocate_functions::movt_prel): New function.
9832         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9833         (Arm_relocate_functions::thm_movt_prel): New function.
9834         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9835         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9836         (Scan::global, Relocate::relocate): Likewise.
9837         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9838
9839 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9840
9841         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9842         Incremental_checker.
9843         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9844         unsigned int.
9845         (class Incremental_inputs_header): New class.
9846         (Incremental_inputs_header_writer): Edit comment.
9847         (Incremental_inputs_entry): New class.
9848         (Incremental_inputs_entry_writer): Edit comment.
9849         (Sized_incremental_binary::do_find_incremental_inputs_section):
9850         Add *strtab_shndx parameter, fill it.
9851         (Sized_incremental_binary::do_check_inputs): New method.
9852         (Incremental_checker::can_incrementally_link_output_file): Use
9853         Sized_incremental_binary::check_inputs.
9854         (Incremental_inputs::report_command_line): Save command line in
9855         command_line_.
9856         * incremental.h:
9857         (Incremental_binary::find_incremental_inputs_section): New
9858         method.
9859         (Incremental_binary::do_find_incremental_inputs_section): Add
9860         strtab_shndx parameter.
9861         (Incremental_binary::do_check_inputs): New pure virtual method.
9862         (Sized_incremental_binary::do_check_inputs): Declare.
9863         (Incremental_checker::Incremental_checker): Add incremental_inputs
9864         parameter, use it to initialize incremental_inputs_.
9865         (Incremental_checker::incremental_inputs_): New field.
9866         (Incremental_checker::command_line): New method.
9867         (Incremental_checker::inputs): New method.
9868         (Incremental_checker::command_line_): New field.
9869
9870 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9871
9872         * incremental.cc: Include <cstdarg> and "target-select.h".
9873         (vexplain_no_incremental): New function.
9874         (explain_no_incremental): New function.
9875         (Incremental_binary::error): New method.
9876         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9877         method.
9878         (make_sized_incremental_binary): New function.
9879         (open_incremental_binary): New function.
9880         (can_incrementally_link_file): Add checks if output is ELF and has
9881         inputs section.
9882         * incremental.h: Include "elfcpp_file.h" and "output.h".
9883         (Incremental_binary): New class.
9884         (Sized_incremental_binary): New class.
9885         (open_incremental_binary): Declare.
9886         * object.cc (is_elf_object): Use
9887         elfcpp::Elf_recognizer::is_elf_file.
9888         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9889         * output.h (Output_file::filesize): New method.
9890
9891 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9892
9893         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9894         New function.
9895         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9896         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9897         function.
9898         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9899         function.
9900         (Arm_relocate_functions::movw_abs_nc): New function.
9901         (Arm_relocate_functions::movt_abs): New function.
9902         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9903         (Arm_relocate_functions::thm_movt_abs): New function.
9904         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9905         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9906         (Scan::global): Likewise.
9907         (Relocate::relocate): Likewise.
9908         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9909
9910 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9911
9912         * arm.cc (Arm_relocate_functions::got_prel) New function.
9913         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9914         (Relocate::relocate): Likewise.
9915         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9916
9917 2009-10-06  Ian Lance Taylor  <iant@google.com>
9918
9919         * options.h (class General_options): Define
9920         split_stack_adjust_size parameter.
9921         * object.h (class Object): Add uses_split_stack_ and
9922         has_no_split_stack_ fields.  Add uses_split_stack and
9923         has_no_split_stack accessor functions.  Declare
9924         handle_split_stack_section.
9925         (class Reloc_symbol_changes): Define.
9926         (class Sized_relobj): Define Function_offsets.  Declare
9927         split_stack_adjust, split_stack_adjust_reltype, and
9928         find_functions.
9929         * object.cc (Object::handle_split_stack_section): New function.
9930         (Sized_relobj::do_layout): Call handle_split_stack_section.
9931         * dynobj.cc (Sized_dynobj::do_layout): Call
9932         handle_split_stack_section.
9933         * reloc.cc (Sized_relobj::relocate_sections): Call
9934         split_stack_adjust for executable sections in split_stack
9935         objects.  Pass reloc_map to relocate_section.
9936         (Sized_relobj::split_stack_adjust): New function.
9937         (Sized_relobj::split_stack_adjust_reltype): New function.
9938         (Sized_relobj::find_functions): New function.
9939         * target-reloc.h: Include "object.h".
9940         (relocate_section): Add reloc_symbol_changes parameter.  Change
9941         all callers.
9942         * target.h (class Target): Add calls_non_split method.  Declare
9943         do_calls_non_split virtual method.  Declare match_view and
9944         set_view_to_nop.
9945         * target.cc: Include "elfcpp.h".
9946         (Target::do_calls_non_split): New function.
9947         (Target::match_view): New function.
9948         (Target::set_view_to_nop): New function.
9949         * gold.cc (queue_middle_tasks): Give an error if mixing
9950         split-stack and non-split-stack objects with -r.
9951         * i386.cc (Target_i386::relocate_section): Add
9952         reloc_symbol_changes parameter.
9953         (Target_i386::do_calls_non_split): New function.
9954         * x86_64.cc (Target_x86_64::relocate_section): Add
9955         reloc_symbol_changes parameter.
9956         (Target_x86_64::do_calls_non_split): New function.
9957         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9958         parameter.
9959         * powerpc.cc (Target_powerpc::relocate_section): Add
9960         reloc_symbol_changes parameter.
9961         * sparc.cc (Target_sparc::relocate_section): Add
9962         reloc_symbol_changes parameter.
9963         * configure.ac: Call AM_CONDITIONAL for the default target.
9964         * configure: Rebuild.
9965         * testsuite/Makefile.am (TEST_AS): New variable.
9966         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9967         (check_DATA): Add split_i386 and split_x86_64 files.
9968         (SPLIT_DEFSYMS): Define.
9969         (split_i386_[1234n].o): New targets.
9970         (split_i386_[124]): New targets.
9971         (split_i386_[1234r].stdout): New targets.
9972         (split_x86_64_[1234n].o): New targets.
9973         (split_x86_64_[124]): New targets.
9974         (split_x86_64_[1234r].stdout): New targets.
9975         (MOSTLYCLEANFILES): Add new executables.
9976         * testsuite/split_i386.sh: New file.
9977         * testsuite/split_x86_64.sh: New file.
9978         * testsuite/split_i386_1.s: New file.
9979         * testsuite/split_i386_2.s: New file.
9980         * testsuite/split_i386_3.s: New file.
9981         * testsuite/split_i386_4.s: New file.
9982         * testsuite/split_i386_n.s: New file.
9983         * testsuite/split_x86_64_1.s: New file.
9984         * testsuite/split_x86_64_2.s: New file.
9985         * testsuite/split_x86_64_3.s: New file.
9986         * testsuite/split_x86_64_4.s: New file.
9987         * testsuite/split_x86_64_n.s: New file.
9988         * testsuite/testfile.cc (Target_test): Update relocation_section
9989         function.
9990         * testsuite/Makefile.in: Rebuild.
9991
9992 2009-10-06  Ian Lance Taylor  <iant@google.com>
9993
9994         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9995         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9996         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9997         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9998         the address on ldo_addrs_.
9999         (Target_i386::Relocate::fix_up_ldo): New function.
10000
10001 2009-10-06   Rafael Espindola  <espindola@google.com>
10002
10003         * plugin.cc (add_input_library): New.
10004         (Plugin::load): Add add_input_library to tv.
10005         (Plugin_manager::add_input_file): Add the is_lib argument.
10006         (add_input_file): Update call to Plugin_manager::add_input_file.
10007         (add_input_library): New.
10008         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10009
10010 2009-09-30  Doug Kwan  <dougkwan@google.com>
10011
10012         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10013         symbol and call Symbol::may_need_copy_reloc to determine if
10014         a copy reloc is needed.
10015         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10016         nocopyreloc is given in command line.
10017         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10018         given in command line.
10019         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10020         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10021         of the removed Target_i386::may_need_copy_reloc.
10022         * options.h (copyreloc): New option with default value false.
10023         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10024         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10025         instead of the removed Target_powerpc::may_need_copy_reloc.
10026         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10027         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10028         instead of the removed Target_sparc::may_need_copy_reloc.
10029         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10030         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10031         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10032         instead of the removed Target_x86_64::may_need_copy_reloc.
10033
10034 2009-09-30  Ian Lance Taylor  <iant@google.com>
10035
10036         * object.h (class Object): Remove target_ field, and target,
10037         sized_target, and set_target methods.
10038         (Object::sized_target): Remove.
10039         (class Sized_relobj): Update declarations.  Remove sized_target.
10040         * object.cc (Sized_relobj::setup): Remove target parameter.
10041         Change all callers.
10042         (Input_objects::add_object): Don't do anything with the target.
10043         (make_elf_sized_object): Add punconfigured parameter.  Change all
10044         callers.  Set or test parameter target.
10045         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10046         Change all callers.
10047         * parameters.cc (Parameters::set_target): Change parameter type to
10048         be non-const.
10049         (Parameters::default_target): Remove.
10050         (set_parameters_target): Change parameter type to be non-const.
10051         (parameters_force_valid_target): New function.
10052         (parameters_clear_target): New function.
10053         * parameters.h (class Parameters): Update declarations.  Remove
10054         default_target method.  Add sized_target and clear_target
10055         methods.  Change target_ to be non-const.
10056         (set_parameters_target): Update declaration.
10057         (parameters_force_valid_target): Declare.
10058         (parameters_clear_target): Declare.
10059         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10060         as NULL if we aren't searching.
10061         (Add_symbols::run): Don't check for compatible target.
10062         * fileread.cc (Input_file::open_binary): Call
10063         parameters_force_valid_target.
10064         * gold.cc (queue_middle_tasks): Likewise.
10065         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10066         set_target on object.
10067         * dynobj.h (class Sized_dynobj): Update declarations.
10068         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10069         make_elf_object returns NULL.
10070         (Archive::include_member): Don't check whether object target is
10071         compatible.
10072         * output.cc (Output_section::add_input_section): Get target from
10073         parameters.
10074         (Output_section::relax_input_section): Likewise.
10075         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10076         parameters.
10077         (Sized_relobj::do_scan_relocs): Likewise.
10078         (Sized_relobj::relocate_sections): Likewise.
10079         * resolve.cc (Symbol_table::resolve): Likewise.
10080         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10081         parameter.  Change all callers.
10082         (Symbol_table::add_from_object): Get target from parameters.
10083         (Symbol_table::add_from_relobj): Don't check object target.
10084         (Symbol_table::add_from_dynobj): Likewise.
10085         (Symbol_table::define_special_symbol): Get target from
10086         parameters.
10087         * symtab.h (class Symbol_table): Update declaration.
10088         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10089         parameter.  Change all callers.  Clear parameter target.
10090         (Binary_test): Test target here.
10091         * testsuite/object_unittest.cc (gold_testsuite): Remove
10092         target_test_pointer parameter.  Change all callers.
10093         (Object_test): Test target here.
10094
10095 2009-09-26  Ian Lance Taylor  <iant@google.com>
10096
10097         * testsuite/initpri1.c: Don't try to use constructor priorities if
10098         compiling with gcc before 4.3.
10099
10100 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10101
10102         * testsuite/retain_symbols_file_test.sh (check_present): Change
10103         output file name to retain_symbols_file_test.stdout.
10104         (check_absent): Likewise.
10105
10106 2009-09-18  Craig Silverstein  <csilvers@google.com>
10107
10108         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10109         * options.cc: Include <cerrno> and <fstream>.
10110         (General_options::finalize): Parse -retain-symbols-file tag.
10111         * options.h: New flag.
10112         (General_options): New method should_retain_symbol, new
10113         variable symbols_to_retain.
10114         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10115         should_retain_symbol map.
10116         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10117         * testsuite/Makefile.in: Regenerate.
10118         * testsuite/retain_symbols_file_test.sh: New file.
10119
10120 2009-09-18  Nick Clifton  <nickc@redhat.com>
10121
10122         * po/es.po: Updated Spanish translation.
10123
10124 2009-09-17  Doug Kwan  <dougkwan@google.com>
10125
10126         * debug.h (DEBUG_RELAXATION): New constant.
10127         (DEBUG_ALL): Add DEBUG_RELAXATION.
10128         (debug_string_to_enum): Add relaxation debug option.
10129         * layout.cc
10130         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10131         Layout::Relaxation_debug_check::read_sections,
10132         Layout::Relaxation_debug_check::read_sections): New method definitions.
10133         (Layout::Layout): Initialize data members
10134         record_output_section_data_from_scrips_,
10135         script_output_section_data_list_ and relaxation_debug_check_.
10136         (Layout::save_segments, Layout::restore_segments,
10137         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10138         Layout::relaxation_loop_body): New method definitions.
10139         (Layout::finalize): Support relaxation.  Move section layout code to
10140         Layout::relaxation_loop_body.
10141         (Layout::set_asection_address_from_script): Move code for orphan
10142         section placement out.
10143         (Layout::place_orphan_sections_in_script): New method definition.
10144         * layout.h (Output_segment_headers, Output_file_header):
10145         New forward class declarations.
10146         (Layout::~Layout): Define.
10147         (Layout::new_output_section_data_from_script): New method definition.
10148         (Layout::place_orphan_sections_in_script): New method declaration.
10149         (Layout::Segment_states): New type declaration.
10150         (Layout::save_segments, Layout::restore_segments,
10151         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10152         Layout::relaxation_loop_body): New method declarations.
10153         (Layout::Output_section_data_list): New type declaration.
10154         (Layout::Relaxation_debug_check): New class definition.
10155         (Layout::record_output_section_data_from_script_,
10156         Layout::script_output_section_data_list_, Layout::segment_states_,
10157         Layout::relaxation_debug_check_): New data members.
10158         * output.cc: (Output_section_headers::do_size): New method definition.
10159         (Output_section_headers::Output_section_headers): Move size
10160         computation to Output_section_headers::do_size.
10161         (Output_segment_headers::do_size): New method definition.
10162         (Output_file_header::Output_file_header): Move size computation to
10163         Output_file_header::do_size and call it.
10164         (Output_file_header::do_size): New method definition.
10165         (Output_data_group::Output_data_group): Adjust call to
10166         Output_section_data.
10167         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10168         (Output_symtab_xindex::do_write): Add array bound check.
10169         (Output_section::Input_section::print_to_mapfile): Handle
10170         RELAXED_INPUT_SECTION_CODE.
10171         (Output_section::Output_section): Initialize data member checkpoint_.
10172         (Output_section::~Output_section): Delete checkpoint object pointed
10173         by checkpoint_.
10174         (Output_section::add_input_section): Always add an Input_section if
10175         relaxing.
10176         (Output_section::add_merge_input_section): Add assert.
10177         (Output_section::relax_input_section): New method definition.
10178         (Output_section::set_final_data_size): Set load address to zero for
10179         an unallocated section.
10180         (Output_section::do_address_and_file_offset_have_reset_values):
10181         New method definition.
10182         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10183         Handle relaxed input section.
10184         (Output_section::sort_attached_input_sections): Checkpoint input
10185         section list lazily.
10186         (Output_section::get_input_sections): Change type of input_sections to
10187         list of Simple_input_section pointers.  Checkpoint input section list
10188         lazily.  Also handle relaxed input sections.
10189         (Output_section::add_input_section_for_script): Take a reference to
10190         a Simple_input_section object instead of Relobj pointer and section
10191         index as parameter.  Handle relaxed input sections.
10192         (Output_section::save_states, Output_section::restore_states): New
10193         method definitions.
10194         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10195         (Output_data::is_data_size_fixed): New method definition.
10196         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10197         if it is fixed.
10198         (Output_data::address_and_file_offset_have_reset_values): New method
10199         definition.
10200         (Output_data::do_address_and_file_offset_have_reset_values): New method
10201         definition.
10202         (Output_data::set_data_size): Check that data size is not fixed.
10203         (Output_data::fix_data_size): New method definition.
10204         (Output_data::is_data_size_fixed_): New data member.
10205         (Output_section_headers::set_final_data_size): New method definition.
10206         (Output_section_headers::do_size): New method declaration.
10207         (Output_segment_headers::set_final_data_size): New method definition.
10208         (Output_segment_headers::do_size): New method declaration.
10209         (Output_file_header::set_final_data_size)::New method definition.
10210         (Output_file_header::do_size)::New method declaration.
10211         (Output_section_data::Output_section_data): Add new parameter
10212         is_data_size_fixed and use it to fix data size.
10213         (Output_data_const::Output_data_const): Adjust call to base class
10214         constructor and fix data size.
10215         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10216         base class constructor and fix data size.
10217         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10218         base class constructor and fix data size.
10219         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10220         class constructor and fix data size.
10221         (Output_data_group::set_final_data_size): New method definition.
10222         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10223         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10224         class constructor and fix data size.
10225         (Output_relaxed_input_section): New class definition.
10226         (Output_section::Simple_input_section): New class definition.
10227         (Output_section::get_input_sections): Adjust parameter list.
10228         (Output_section::add_input_section_for_script): Same.
10229         (Output_section::save_states, Output_section::restore_states,
10230         Output_section::do_address_and_file_offset_have_reset_values,
10231         (Output_section::Input_section::Input_section): Handle
10232         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10233         Output_relaxed_input_section.
10234         (Output_section::Input_section::is_input_section,
10235         Output_section::Input_section::set_output_section): Handle relaxed
10236         input section.
10237         (Output_section::Input_section::is_relaxed_input_section,
10238         Output_section::Input_section::output_section_data,
10239         Output_section::Input_section::relaxed_input_section): New method
10240         definitions.
10241         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10242         value.
10243         (Output_section::Input_section::u1_): Update comments.
10244         (Output_section::Input_section::u2_): Add new union member poris.
10245         (Output_section::Checkpoint_output_section): New classs definition.
10246         (Output_section::relax_input_section): New method declaration.
10247         (Output_section::checkpoint_): New data member.
10248         (Output_segment): Update comments.
10249         (Output_segment::Output_segment): Un-privatize copy constructor.
10250         (Output_segment::operator=): Un-privatize.
10251         * script-sections.cc (Output_section_element::Input_section_list):
10252         Change element type to Output_section::Simple_input_section.
10253         (Output_section_element_dot_assignment::set_section_addresses):
10254         Register output section data for relaxation clean up.
10255         (Output_data_exression::Output_data_expression): Adjust call to base
10256         constructor to fix data size.
10257         (Output_section_element_data::set_section_addresses): Register
10258         Output_data_expression object for relaxation clean up.
10259         (struct Input_section_info): Replace Relobj pointer and section index
10260         pair with Output_section::Simple_input_section and Convert struct to a
10261         class.
10262         (Input_section_sorter::operator()): Adjust access to
10263         Input_section_info data member to use accessors.
10264         (Output_section_element_input::set_section_addresses): Use layout
10265         parameter.  Adjust code to use Output_section::Simple_input_section
10266         and Input_secction_info classes.  Register filler for relaxation
10267         clean up.
10268         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10269         and section index pair with Output_section::Simple_input_section
10270         class.  Adjust code accordingly.
10271         (Phdrs_element::release_segment): New method definition.
10272         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10273         segment list.
10274         (Script_sections::release_segments): New method definition.
10275         * gold/script-sections.h (Script_sections::release_segments): New
10276         method declaration.
10277         * gold/target.h (Target::may_relax, Target::relax,
10278         Target::do_may_relax, Target::do_relax): New method definitions.
10279
10280 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10281
10282         * arm.cc (has_signed_unsigned_overflow): New function.
10283         (Arm_relocate_functions::abs8): New function.
10284         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10285         (Target_arm::Scan::global): Likewise.
10286         (Target_arm::relocate::relocate): Likewise.
10287         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10288         Likewise.
10289
10290 2009-09-16  Cary Coutant  <ccoutant@google.com>
10291
10292         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10293         * testsuite/Makefile.in: Regenerate.
10294
10295 2009-09-11  Nick Clifton  <nickc@redhat.com>
10296
10297         * po/gold.pot: Updated by the Translation project.
10298
10299 2009-09-08  Cary Coutant  <ccoutant@google.com>
10300
10301         * output.cc (Output_file::open): Add execute permission to empty file.
10302         * testsuite/Makefile.am (permission_test): New test.
10303         * testsuite/Makefile.in: Regenerate.
10304
10305 2009-09-02  Ian Lance Taylor  <iant@google.com>
10306
10307         * output.cc (Output_file::resize): Call map_no_anonymous rather
10308         than map.
10309
10310 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10311
10312         * gold.cc: Include "incremental.h".
10313         (queue_initial_tasks): Call Incremental_checker methods.
10314         * incremental.cc: Include "output.h".
10315         (Incremental_checker::can_incrementally_link_output_file): New
10316         method.
10317         * incremental.h (Incremental_checker): New class.
10318
10319         * output.cc (Output_file::open_for_modification): New method.
10320         (Output_file::map_anonymous): Changed return type to bool.  Record
10321         map in base_ field.
10322         (Output_file::map_no_anonymous): New method, broken out of map.
10323         (Output_file::map): Use map_no_anonymous and map_anonymous.
10324         * output.h (class Output_file): Update declarations.
10325
10326 2009-08-24  Cary Coutant  <ccoutant@google.com>
10327
10328         * options.h (Command_line::Pre_options): New class.
10329         (Command_line::pre_options): New member.
10330         * options.cc (gold::options::ready_to_register): New variable.
10331         (One_option::register_option): Do nothing if not registering options.
10332         Assert if same short option registered twice.
10333         (General_options::General_options): Turn off option registration when
10334         done constructing.
10335         (Command_line::Pre_options::Pre_options): New constructor.
10336
10337 2009-08-24  Cary Coutant  <ccoutant@google.com>
10338
10339         * options.h (General_options::no_keep_memory): Remove incorrect
10340         short option.
10341
10342 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10343
10344         * Makefile.am (am__skiplex, am__skipyacc): New.
10345         * Makefile.in: Regenerate.
10346
10347 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10348
10349         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10350         (INCLUDES): ... this.
10351         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10352         (AM_CPPFLAGS): Renamed from ...
10353         (INCLUDE): ... this.
10354         * Makefile.in, testsuite/Makefile.in: Regenerate.
10355
10356         * Makefile.in: Regenerate.
10357         * aclocal.m4: Likewise.
10358         * config.in: Likewise.
10359         * configure: Likewise.
10360         * testsuite/Makefile.in: Likewise.
10361
10362         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10363         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10364         * Makefile.in: Regenerate.
10365         * testsuite/Makefile.in: Regenerate.
10366
10367 2009-08-19  Cary Coutant  <ccoutant@google.com>
10368
10369         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10370         symbols in shared libraries overridden by hidden or internal symbols
10371         in the main program.
10372
10373 2009-08-19  Chris Demetriou  <cgd@google.com>
10374
10375         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10376         checking source file names in error messages.
10377
10378 2009-08-18  Doug Kwan  <dougkwan@google.com>
10379
10380         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10381         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10382         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10383         an elfcpp::Ehdr as parameter.
10384         * object.cc (Object::set_target): Remove the version that looks up
10385         a target and sets it.
10386         (Sized_relobj::setup): Take a Target object instead of
10387         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10388         (make_elf_sized_object): Find target and ask target to
10389         make an ELF object.
10390         * object.h: (Object::set_target): Remove the version that looks up
10391         a target and sets it.
10392         (Sized_relobj::setup): Take a Target object instead of
10393         an elfcpp:Ehdr as parameter.
10394         * target.cc: Include dynobj.h.
10395         (Target::do_make_elf_object_implementation): New.
10396         (Target::do_make_elf_object): New.
10397         * target.h (Target::make_elf_object): New template declaration.
10398         (Target::do_make_elf_object): New method declarations.
10399         (Target::do_make_elf_object_implementation): New template declaration.
10400
10401 2009-08-14  Ian Lance Taylor  <iant@google.com>
10402
10403         * gold.h (FUNCTION_NAME): Define.
10404         (gold_unreachable): Use FUNCTION_NAME.
10405
10406 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10407
10408         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10409         symbol in the --keep-unique list is not found.
10410
10411 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10412
10413         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10414         been maked as --keep-unique.
10415         (Icf::unfold_section): New function.
10416         * icf.h (Icf::unfold_section): New function.
10417         * options.h (General_options::keep_unique): New option.
10418         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10419         * testsuite/Makefile.in: Regenerate.
10420         * testsuite/icf_keep_unique_test.sh: New file.
10421         * testsuite/icf_keep_unique_test.cc: New file.
10422
10423 2009-08-12  Cary Coutant  <ccoutant@google.com>
10424
10425         PR 10471
10426         * resolve.cc (Symbol_table::resolve): Check for references from
10427         dynamic objects to hidden and internal symbols.
10428         * testsuite/Makefile.am (hidden_test.sh): New test.
10429         * testsuite/Makefile.in: Regenerate.
10430         * testsuite/hidden_test.sh: New script.
10431         * testsuite/hidden_test_1.c: New test source.
10432         * testsuite/hidden_test_main.c: New test source.
10433
10434 2009-08-11  Doug Kwan  <dougkwan@google.com>
10435
10436         * arm.cc: Update comments.
10437         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10438         segment to locate the .ARM.exidx section if present.
10439
10440 2009-08-09  Doug Kwan  <dougkwan@google.com>
10441
10442         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10443         patch.
10444
10445 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10446         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10447         compiler warnings.
10448
10449 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10450
10451         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10452         valid tls_segment only for non-debug-section relocations.
10453         * testsuite/Makefile.am: Add gc_tls_test.
10454         * testsuite/Makefile.in: Regenerate.
10455         * testsuite/gc_tls_test.cc: New file.
10456         * testsuite/gc_tls_test.sh: New file.
10457
10458 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10459
10460         * icf.cc: New file.
10461         * icf.h: New file.
10462         * Makefile.am (CCFILES): Add icf.cc.
10463         (HFILES): Add icf.h
10464         * Makefile.in: Regenerate.
10465         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10466         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10467         section, symbol and addend information for the relocs.
10468         * gold.cc (queue_middle_tasks): Call identical code folding.
10469         * gold.h: Add defines for multimap.
10470         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10471         to the call of finalize_local_symbols.
10472         * main.cc (main): Create object of class Icf.
10473         * object.cc (Sized_relobj::do_layout): Allow this function to be
10474         called twice during icf.
10475         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10476         to sections marked as identical by icf.
10477         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10478         when available.
10479         (Sized_relobj::do_section_entsize): New function.
10480         * object.h (Object::section_entsize): New function.
10481         (Object::do_section_entsize): New pure virtual function.
10482         (Relobj::finalize_local_symbols): Add new parameter.
10483         (Relobj::do_section_entsize): New function.
10484         * options.h (General_options::icf): New option.
10485         (General_options::icf_iterations): New option.
10486         (General_options::print_icf_sections): New option.
10487         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10488         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10489         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10490         icf.
10491         * symtab.cc (Symbol_table::is_section_folded): New function.
10492         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10493         to sections marked as identical by icf.
10494         * symtab.h (Symbol_table::set_icf): New function.
10495         (Symbol_table::icf): New function.
10496         (Symbol_table::is_section_folded): New function.
10497         (Symbol_table::icf_): New data member.
10498         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10499         * testsuite/Makefile.am: Add commands to build icf_test.
10500         * testsuite/Makefile.in: Regenerate.
10501         * testsuite/icf_test.sh: New file.
10502         * testsuite/icf_test.cc: New file.
10503
10504 2009-07-24  Chris Demetriou  <cgd@google.com>
10505
10506         * layout.cc (is_compressible_debug_section): Fix incorrect
10507         comment about compressed section names.
10508
10509 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10510
10511         PR 10419
10512         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10513
10514 2009-07-16  Ian Lance Taylor  <iant@google.com>
10515
10516         PR 10400
10517         * layout.h: #include <map>.
10518         (class Kept_section): Change from struct to class.  Add accessors
10519         and setters.  Add section size to Comdat_group mapping.  Change
10520         Comdat_group to std::map.  Add is_comdat_ field.  Add
10521         linkonce_size field in union.
10522         (class Layout): Update declaration of find_or_add_kept_section.
10523         Don't declare find_kept_object.
10524         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10525         parameter.  Add object, shndx, is_comdat, and is_group_name
10526         parameters.  Change all callers.  Adjust for new Kept_section.
10527         (Layout::find_kept_object): Remove.
10528         * object.cc (Sized_relobj::include_section_group): Update use of
10529         Kept_section.  Rename secnum to shndx.  Only record
10530         Kept_comdat_section if sections are the same size.
10531         (Sized_relobj::include_linkonce_section): Update use of
10532         Kept_section.  Only record Kept_comdat_section if sections are the
10533         same size.  Set size of linkonce section.
10534         (Sized_relobj::map_to_kept_section): Update call to
10535         get_kept_comdat_section.
10536         * object.h (class Sized_relobj): Rename fields in
10537         Kept_comdat_section to drop trailing underscores; change object
10538         field to Relobj*.  Change Kept_comdat_section_table to store
10539         struct rather than pointer.
10540         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10541         Add kept_object and kept_shndx parameters.  Change all callers.
10542         (Sized_relobj::get_kept_comdat_section): Change return type to
10543         bool.  Add kept_object and kept_shndx parameters.  Change all
10544         callers.
10545         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10546         Layout::find_or_add_kept_section.
10547
10548 2009-07-09  Ian Lance Taylor  <iant@google.com>
10549
10550         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10551         Reserve space in the hash table.
10552
10553 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10554
10555         * fileread.cc (File_read::get_mtime): New method.
10556         * fileread.h (Timespec): New structure.
10557         (File_read::get_mtime): New method.
10558         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10559         Renamed from timestamp_nsec.
10560         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10561         Elf_Xword.
10562         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10563         timestamp_nsec.
10564         (Incremental_inputs::report_archive): Save mtime; style fix.
10565         (Incremental_inputs::report_obejct): Save mtime; style fix.
10566         (Incremental_inputs::report_script): Save mtime; style fix.
10567         (Incremental_inputs::finalize_inputs): Style fix.
10568         (Incremental_inputs::finalize): Style fix.
10569         (Incremental_inputs::create_input_section_data): Store inputs
10570         mtime.
10571         * incremental.h (Incremental_inputs::report_script): Add mtime
10572         argument.
10573         (Incremental_inputs::Input_info::Input_info): Intialize only one
10574         union member.
10575         (Incremental_inputs::Input_info::archive): Move to nameless
10576         union.
10577         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10578         (Incremental_inputs::Input_info::script): Move to nameless union.
10579         (Incremental_inputs::mtime): New field.
10580         * script.cc (read_input_script): Pass file mtime to
10581         Incremental_input.
10582         * script.h (Script_info::inputs): Style fix.
10583
10584 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10585
10586         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10587         instead of 32.
10588
10589 2009-06-24  Ian Lance Taylor  <iant@google.com>
10590
10591         PR 10156
10592         * layout.cc (Layout::choose_output_section): If we find an
10593         existing section, update the flags.
10594         (Layout::create_notes): New function, broken out of
10595         Layout::finalize.
10596         (Layout::finalize): Don't create note sections.
10597         (Layout::create_note): Don't crash if linker script discards
10598         section.
10599         (Layout::create_gold_note): Likewise.
10600         (Layout::create_build_id): Likewise.  Don't set
10601         after_input_sections on the section.
10602         (Layout::create_executable_stack_info): Remove target parameter.
10603         Change caller.
10604         * layout.h (class Layout): Declare create_notes.  Update
10605         declaration of create_executable_stack_info.
10606         * gold.cc (queue_middle_tasks): Call create_notes.
10607         * output.cc (Output_section::update_flags_for_input_section): Move
10608         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10609         invalid.
10610         * output.h (Output_data::mark_address_invalid): New function.
10611         (class Output_section): Only declare, not define,
10612         update_flags_for_input_section.  Remove set_flags.
10613
10614 2009-06-24  Ian Lance Taylor  <iant@google.com>
10615
10616         * script-sections.cc (Output_section_definition::
10617         set_section_addresses): Rename shadowing local load_address to
10618         laddr.
10619
10620 2009-06-24  Ian Lance Taylor  <iant@google.com>
10621
10622         PR 10244
10623         * reloc.cc (relocate_sections): Skip empty relocation sections.
10624
10625 2009-06-23  Ian Lance Taylor  <iant@google.com>
10626
10627         PR 10156
10628         * layout.cc (Layout::create_note): Use choose_output_section
10629         rather than make_output_section.
10630
10631 2009-06-23  Ian Lance Taylor  <iant@google.com>
10632
10633         PR 10237
10634         * options.cc (General_options::parse_V): Set printed_version_.
10635         (General_options::General_options): Initialize printed_version_.
10636         * options.h (class General_options): Add printed_version_ field.
10637         * gold.cc (queue_initial_tasks): If there are no input files,
10638         don't give a fatal error if we printed the version information.
10639         (queue_middle_tasks): If using -r with a shared object, give a
10640         fatal error rather than an ordinary error.
10641
10642 2009-06-23  Ian Lance Taylor  <iant@google.com>
10643
10644         PR 10219
10645         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10646         (Layout::make_output_section): Set have_stabstr_section_ if we see
10647         a .stab*str section.
10648         (Layout::finalize): Call link_stabs_sections.
10649         (Layout::link_stabs_sections): New file.
10650         * layout.h (class Layout): Add have_stabstr_section_ field.
10651         Declare link_stabs_sections.
10652
10653 2009-06-23  Doug Kwan  <dougkwan@google.com>
10654
10655         * Makefile.am (libgold_a_LIBADD): New.
10656         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10657         * Makefile.in: Regenerate.
10658         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10659         * configure: Regenerate.
10660         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10661         * fileread.cc: Include sys/state.h
10662         * gold.h: Declare memmem and strndup if found missing.
10663         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10664
10665 2009-06-23  Ian Lance Taylor  <iant@google.com>
10666
10667         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10668         * configure: Rebuild.
10669
10670 2009-06-23  Ian Lance Taylor  <iant@google.com>
10671
10672         PR 10147
10673         * object.cc (Object::section_contents): Don't try to get a view if
10674         the section has length zero.
10675         (Object::handle_gnu_warning_section): If the section is empty, use
10676         the name of the section as the warning.
10677
10678 2009-06-23  Ian Lance Taylor  <iant@google.com>
10679
10680         PR 10133
10681         * stringpool.h (class Stringpool_template): Add optimize_ field.
10682         (Stringpool_template::set_optimize): New function.
10683         * stringpool.cc (Stringpool_template::Stringpool_template):
10684         Initialize optimize_ field.
10685         (Stringpool_template::set_string_offsets): Test local optimize
10686         fild rather than parameter.
10687         * layout.cc (Layout::Layout): Call set_optimize on the section
10688         name stringpool.
10689
10690 2009-06-22  Ian Lance Taylor  <iant@google.com>
10691
10692         PR 10030
10693         * yyscript.y: Parse TARGET.
10694         * script.cc (script_set_target): New function.
10695         * script-c.h (script_set_target): Declare.
10696         * options.cc (General_options::string_to_object_format): Rename
10697         from string_to_object_format in anonymous namespace.  Change
10698         callers.
10699         * options.h (class General_options): Declare
10700         string_to_object_format.
10701
10702 2009-06-22  Ian Lance Taylor  <iant@google.com>
10703
10704         * script-sections.cc (Script_sections::create_segments): Don't put
10705         program headers in a PT_LOAD segment if -n or -N.
10706
10707 2009-06-22  Ian Lance Taylor  <iant@google.com>
10708
10709         PR 10141
10710         * options.h (class General_options): Add -z lazy and -z now.  Sort
10711         -z options into alphabetical order.
10712         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10713
10714 2009-06-21  Ian Lance Taylor  <iant@google.com>
10715
10716         * layout.cc (Layout::make_output_section): Call
10717         Target::new_output_section.
10718         (Layout::attach_allocated_section_to_segment): Put large section
10719         sections in a separate load segment with the large segment flag
10720         set.
10721         (Layout::segment_precedes): Sort large data segments after other
10722         load segments.
10723         (align_file_offset): New static function.
10724         (Layout::set_segment_offsets): Use align_file_offset.
10725         * output.h (class Output_section): Add is_small_section_ and
10726         is_large_section_ fields.
10727         (Output_section::is_small_section): New function.
10728         (Output_section::set_is_small_section):  New function.
10729         (Output_section::is_large_section): New function.
10730         (Output_section::set_is_large_section): New function.
10731         (Output_section::is_large_data_section): New function.
10732         (class Output_segment): Add is_large_data_segment_ field.
10733         (Output_segment::is_large_data_segment): New function.
10734         (Output_segment::set_is_large_data_segment): New function.
10735         * output.cc (Output_section::Output_section): Initialize new
10736         fields.
10737         (Output_segment::Output_segment): Likewise.
10738         (Output_segment::add_output_section): Add assertion that large
10739         data sections always go in large data segments.  Force small data
10740         sections to the end of the list of data sections.  Force small BSS
10741         sections to the start of the list of BSS sections.  For large BSS
10742         sections to the end of the list of BSS sections.
10743         * symtab.h (class Symbol): Declare is_common_shndx.
10744         (Symbol::is_defined): Check Symbol::is_common_shndx.
10745         (Symbol::is_common): Likewise.
10746         (class Symbol_table): Define enum Commons_section_type.  Update
10747         declarations.  Add small_commons_ and large_commons_ fields.
10748         * symtab.cc (Symbol::is_common_shndx): New function.
10749         (Symbol_table::Symbol_table): Initialize new fields.
10750         (Symbol_table::add_from_object): Put small and large common
10751         symbols in the right list.
10752         (Symbol_table::sized_finalized_symbol): Check
10753         Symbol::is_common_shndx.
10754         (Symbol_table::sized_write_globals): Likewise.
10755         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10756         common symbol lists.  Don't call do_allocate_commons_list if the
10757         list is empty.
10758         (Symbol_table::do_allocate_commons_list): Remove is_tls
10759         parameter.  Add comons_section_type parameter.  Change all
10760         callers.  Handle small and large common symbols.
10761         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10762         Symbol::is_common_shndx.
10763         * resolve.cc (symbol_to_bits): Likewise.
10764         * target.h (Target::small_common_shndx): New function.
10765         (Target::small_common_section_flags): New function.
10766         (Target::large_common_shndx): New function.
10767         (Target::large_common_section_flags): New function.
10768         (Target::new_output_section): New function.
10769         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10770         small_common_section_flags, and large_common_section_flags
10771         fields.
10772         (Target::do_new_output_section): New virtual function.
10773         * arm.cc (Target_arm::arm_info): Initialize new fields.
10774         * i386.cc (Target_i386::i386_info): Likewise.
10775         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10776         Likewise.
10777         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10778         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10779         (Target_x86_64::do_new_output_section): New function.
10780         * configure.ac: Define conditional MCMODEL_MEDIUM.
10781         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10782         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10783         (large_LDFLAGS): Define.
10784         * testsuite/large.c: New file.
10785         * testsuite/testfile.cc (Target_test::test_target_info):
10786         Initialize new fields.
10787         * configure, testsuite/Makefile.in: Rebuild.
10788
10789 2009-06-05  Doug Kwan  <dougkwan@google.com>
10790
10791         * Makefile.am (CCFILES): Add target.cc.
10792         * Makefile.in: Regenerate.
10793         * i386.cc (class Target_i386): Define new virtual method to
10794         override do_is_local_label_name in parent.
10795         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10796         local symbols if --discard-locals or -X is given.
10797         * options.h (class General_options): Declare new options
10798         '--discard-locals' and '-X' for discarding locals.
10799         * target.h (class Target): Define new methods is_local_label_name.
10800         Declare new virtual method do_is_local_label_name.
10801         * target.cc: New file.
10802         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10803         (check_SCRIPTS): Add discard_locals_test.sh.
10804         (check_DATA): Add discard_local_tests.syms.
10805         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10806         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10807         * testsuite/Makefile.in: Regenerate.
10808         * testsuite/discard_locals_test.c: New file.
10809         * testsuite/discard_locals_test.sh: Same.
10810
10811 2009-06-05  Doug Kwan  <dougkwan@google.com>
10812
10813         * object.cc (Sized_relobj::Sized_relobj): Initialize
10814         discarded_eh_frame_shndx_ to -1U.
10815         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10816         section.
10817         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10818         a discarded .eh_frame section.
10819         (Sized_relobj::do_finalize_local_symbols): Ditto.
10820         * object.h (class Sized_relobj): Declare new member
10821         discarded_eh_frame_shndx_.
10822         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10823         (local_labels_test.o, local_labels_test): New rules.
10824         * testsuite/Makefile.in: Regenerate.
10825
10826 2009-06-04  Doug Kwan  <dougkwan@google.com>
10827
10828         * layout.cc (Layout::section_name_mapping): Add mapping for
10829         special ARM sections.
10830
10831 2009-06-03  Doug Kwan  <dougkwan@google.com>
10832
10833         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10834         (utils::has_overflow): Same.
10835
10836 2009-06-03  Ian Lance Taylor  <iant@google.com>
10837
10838         * layout.cc (Layout::section_name_mapping): New array, replacing
10839         Layout::linkonce_mapping.
10840         (Layout::section_name_mapping_count): New variable, replacing
10841         Layout::linkonce_mapping_count.
10842         (Layout::linkonce_output_name): Remove.
10843         (Layout::output_section_name): Rewrite.
10844         * layout.h (class Layout): Rename Linkonce_mapping to
10845         Section_name_mapping, linkonce_mapping to section_name_mapping,
10846         linkonce_mapping_count to section_name_mapping_count.  Don't
10847         declare linkonce_output_name.
10848
10849 2009-06-03  Doug Kwan  <dougkwan@google.com>
10850
10851         * gold/arm.cc (namespace utils): New.
10852         (Target_arm::reloc_is_non_pic): Define new method.
10853         (class Arm_relocate_functions): New.
10854         (Target_arm::Relocate::relocate): Handle relocation types used by
10855         Android.
10856
10857 2009-06-03  Ian Lance Taylor  <iant@google.com>
10858
10859         * arm.cc (Target_arm::scan::global): Use || instead of |.
10860
10861 2009-06-02  Doug Kwan  <dougkwan@google.com>
10862
10863         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10864         issued_non_pic_error_.
10865         (class Target_arm::Scan): Declare new method check_non_pic.
10866         Define new method symbol_needs_plt_entry.
10867         Declare new data member issued_non_pic_error_.
10868         (class Target_arm::Relocate): Declare new method
10869         should_apply_static_reloc.
10870         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10871         (Target_arm::Scan::check_non_pic): Define new method.
10872         (Target_arm::Scan::local): Handle a small subset of reloc types used
10873         by Android.
10874         (Target_arm::Scan::local): Same.
10875         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10876
10877 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10878
10879         * incremental.cc (Incremental_inputs::report_command_line): Filter
10880         out --incremental-* options.
10881
10882 2009-05-29  Doug Kwan  <dougkwan@google.com>
10883
10884         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10885         template class.
10886         (class Target_arm): Update comment.
10887         (Target_arm::Target_arm): Initialize new data members GOT_,
10888         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10889         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10890         and Target_arm::rel_dyn_section.
10891         Declare new_enum Target_arm::Got_type.
10892         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10893         and DYNBSS_.
10894         Update commments for member do_dynsym_value.
10895         (Target_arm::got_size, Target_arm::plt_section,
10896         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10897         new methods inside class defintion.
10898         (Target_arm::got_section): Define new method.
10899         (Target_arm::rel_dyn_section): Same.
10900         (Output_data_plt_arm): New template class.
10901         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10902         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10903         (Output_data_plt_arm::add_entry): Same.
10904         (Output_data_plt_arm::first_plt_entry): Define new
10905         static data member for PLT instruction template.
10906         (Output_data_plt_arm::plt_entry): Same.
10907         (Output_data_plt_arm::do_write): Define new method.
10908         (Target_arm::make_plt_entry): Same.
10909         (Target_arm::do_finalize_sections): Same.
10910         (Target_arm::do_dynsym_value): Same.
10911
10912 2009-05-28  Doug Kwan  <dougkwan@google.com>
10913
10914         * Makefile.am (TARGETSOURCES): Add arm.cc.
10915         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10916         * Makefile.in: Regenerate.
10917         * arm.cc: New file.
10918         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10919
10920 2009-05-26  Doug Kwan  <dougkwan@google.com>
10921
10922         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10923         (General_options::check_excluded_libs): Strip off directories in
10924         archive name before matching like GNU ld does.
10925         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10926         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10927         (exclude_libs_test_LDFLAGS): Add linker option
10928         -Wl,--exclude-libs,libexclude_libs_test_3
10929         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10930         an explicit archive without using -l.
10931         (alt/libexclude_libs_test_3.a): New make rule.
10932         * testsuite/Makefile.in: Regenerate.
10933         * testsuite/exclude_libs_test.c : Declare lib3_default().
10934         (main): Call it.
10935         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10936         * exclude_libs_test_3.c: New file.
10937
10938 2009-05-26  Nick Clifton  <nickc@redhat.com>
10939
10940         * po/id.po: New Indonesian translation.
10941         * po/gold.pot: Updated template file.
10942
10943 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10944
10945         * testsuite/Makefile.am: Add -ffunction-sections to compile
10946         gc_comdat_test files.  Add -Wl,--gc-sections to build
10947         gc_comdat_test.
10948         * testsuite/Makefile.in: Regenerate.
10949         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10950
10951 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10952
10953         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10954         kept comdat section was garbage collected.
10955         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10956         * testsuite/Makefile.in: Regenerate.
10957         * testsuite/gc_comdat_test.sh: New file.
10958         * testsuite/gc_comdat_test_1.cc: New file.
10959         * testsuite/gc_comdat_test_2.cc: New file.
10960
10961 2009-05-19  Doug Kwan  <dougkwan@google.com>
10962
10963         * archive.cc (Archive::Archive): Move constructor from archive.h
10964         to here.  Initialize no_export_.
10965         (Archive::get_elf_object_for_member): Set no_export flag of object.
10966         * archive.h (Archive::Archive): Move constructor body to
10967         archive.cc.
10968         (Archive::no_export): New method.
10969         (Archive::no_export_): New field.
10970         * object.h (Object::Object): Initialize no_export_ to false.
10971         (Object::no_export, Object::set_no_export): New methods.
10972         (Object::no_export_): New field.
10973         * options.cc (General_options::parse_exclude_libs): New method.
10974         (General_options::check_excluded_libs) Same.
10975         * options.h (exclude_libs): New option.
10976         (General_options::check_excluded_libs): New method declaration.
10977         (General_options::excluded_libs_): New field.
10978         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10979         default or protected visibility if an object has no-export flag set.
10980         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10981         (check_SCRIPTS): Add exclude_libs_test.sh.
10982         (check_DATA): Add exclude_libs_test.syms.
10983         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10984         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10985         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10986         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10987         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10988         libexclude_libs_test_2.a): New rules.
10989         * testsuite/Makefile.in: Regenerate.
10990         * testsuite/exclude_libs_test.c: New file.
10991         * testsuite/exclude_libs_test.sh: Ditto.
10992         * testsuite/exclude_libs_test_1.c: Ditto.
10993         * testsuite/exclude_libs_test_2.c: Ditto.
10994
10995 2009-05-15  Ian Lance Taylor  <iant@google.com>
10996
10997         * configure.ac: Check for declarations for cases where libiberty.h
10998         checks HAVE_DECL_xxx.
10999         * configure, config.in: Rebuild.
11000
11001 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11002
11003         * gold.h (Incremental_argument_list): Remove (invalid) forward
11004         declaration.
11005         * incremental.cc (Incremental_inputs::report_achive): New method.
11006         (Incremental_inputs::report_object): New method.
11007         (Incremental_inputs::report_script): New method.
11008         (Incremental_inputs::finalize_inputs): New method.
11009         (Incremental_inputs::finalize): Call finalize_inputs().
11010         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11011         Create inputs entries.
11012         * incremental.h (Incremental_input_type): New enum.
11013         (Incremental_inputs::Incremental_input): Initialize new fields.
11014         (Incremental_inputs::report_inputs): New method.
11015         (Incremental_inputs::report_achive): New method.
11016         (Incremental_inputs::report_object): New method.
11017         (Incremental_inputs::report_script): New method.
11018         (Incremental_inputs::finalize_inputs): New method.
11019         (Incremental_inputs::Input_info): New struct.
11020         (Incremental_inputs::Input_info_map): New typedef.
11021         (Incremental_inputs::lock_): New field.
11022         (Incremental_inputs::Inputs_): New field.
11023         (Incremental_inputs::Inputs_map): New field.
11024         * main.cc (main): Call Incremental_input::report_inputs.
11025         * options.h (Input_argument_list): Typedef moved from
11026         Input_arguments.
11027         (Input_file_group::Files): Remove, use ::Input_argument_list.
11028         (Input_file_group::Input_argument_list): Remove, use
11029         ::Input_argument_list.
11030         * plugin.cc (Plugin_manager::add_input_file): Add error in
11031         incremental build.
11032         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11033         functions.
11034         * script.cc (read_input_script): Call
11035         Incremental_input::report_script.
11036         * script.h (Script_info): New class.
11037
11038 2009-04-27  Ian Lance Taylor  <iant@google.com>
11039
11040         * x86_64.cc (do_adjust_output_section): Set entsize to
11041         plt_entry_size.
11042
11043 2009-04-23  Elliott Hughes  <enh@google.com>
11044
11045         * output.cc (Output_file::close): After short writes, continue
11046         writing from the correct offset in the buffer being written.
11047
11048 2009-04-23  Chris Demetriou  <cgd@google.com>
11049
11050         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11051         * configure: Regenerate.
11052         * config.in: Regenerate.
11053         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11054         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11055
11056 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11057
11058         * incremental.cc (Incremental_inputs_header_data): Renamed from
11059         Incremental_input_header_data.
11060         (Incremental_inputs_header_data::data_size): New field.
11061         (Incremental_inputs_header_data::put_input_file_count): Renamed
11062         from input_file_count.
11063         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11064         from command_line_offset.
11065         (Incremental_inputs_header_data::put_reserved): Renamed from
11066         put_reserved.
11067         (Incremental_inputs_entry_data): Renamed from
11068         Incremental_input_entry_data.
11069         (Incremental_inputs_entry_data::data_size): New field.
11070         (Incremental_inputs::report_command_line): New method.
11071         (Incremental_inputs::finalize): New method.
11072         (Incremental_inputs::create_incremental_inputs_data): New method.
11073         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11074         * incremental.h: New file.
11075         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11076         (Layout::finalize): Create incremental inputs section in
11077         incremental builds.
11078         (Layout::create_incremental_info_sections): New method.
11079         * layout.h (Layout::incremental_inputs): New method.
11080         (Layout::create_incremental_info_sections): New method.
11081         (Layout::incremental_inputs_): New field.
11082         * main.cc (main): Notify Incremental_input of the command line.
11083
11084 2009-04-01  Ian Lance Taylor  <iant@google.com>
11085             Mikolaj Zalewski  <mikolajz@google.com>
11086
11087         * gold.h (reserve_unordered_map): Define, three versions, one for
11088         each version of Unordered_map.
11089         * layout.cc (Layout::Layout): Remove options parameter.  Add
11090         number_of_input_files parameter.  Don't initialize options_.
11091         Initialize number_of_input_files_ and resized_signatures_.  Move
11092         sections_are_attached_.
11093         (Layout::layout_group): Reserve space for group_signatures_.
11094         (Layout::find_or_add_kept_section): Change name parameter to be a
11095         reference.  Resize signatures_ map when it gets large enough.
11096         (Layout::layout_eh_frame): Use parameters->options() instead of
11097         this->options_.
11098         (Layout::make_output_section): Likewise.
11099         (Layout::attach_allocated_section_to_segment): Likewise.
11100         (Layout::finalize, Layout::create_executable_stack): Likewise.
11101         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11102         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11103         * layout.h (class Layout): Update declarations.  Remove options_
11104         field.  Add number_of_input_files_ and resized_signatures_
11105         fields.  Move sections_are_attached_ field.
11106         * main.cc (main): Pass number of input files to Layout
11107         constructor.  Don't pass options.
11108
11109 2009-03-30  Ian Lance Taylor  <iant@google.com>
11110
11111         * ffsll.c (ffsll): Correct implementation.
11112
11113 2009-03-27  Ian Lance Taylor  <iant@google.com>
11114
11115         * ffsll.c: New file.
11116         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11117         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11118         * ftruncate.c (ftruncate): Declare before definition.
11119         * mremap.c (mremap): Likewise.
11120         * pread.c (pread): Likewise.
11121         * configure, Makefile.in, config.in: Rebuild.
11122
11123         * mremap.c: New file.
11124         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11125         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11126         (mremap): Declare if HAVE_MREMAP is not defined.
11127         * configure, Makefile.in, config.in: Rebuild.
11128
11129 2009-03-27  Cary Coutant  <ccoutant@google.com>
11130
11131         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11132         position independent.
11133         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11134         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11135
11136 2009-03-24  Cary Coutant  <ccoutant@google.com>
11137
11138         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11139         an executable.
11140         (needs_dynamic_reloc): Likewise.
11141
11142 2009-03-24  Ian Lance Taylor  <iant@google.com>
11143
11144         * yyscript.y (file_cmd): Recognize EXTERN.
11145         (extern_name_list, extern_name_list_body): New nonterminals.
11146         * script.cc (script_add_extern): Define.
11147         * script-c.h (script_add_extern): Declare.
11148
11149 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11150
11151         * object.cc (is_elf_object): Define.
11152         * object.h (is_elf_object): Declare.
11153         * archive.cc (Archive::get_elf_object_for_member): Call
11154         is_elf_object.
11155         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11156
11157 2009-03-24  Elliott Hughes  <enh@google.com>
11158
11159         * output.cc (Output_file::map_anonymous): Define.
11160         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11161         try an anonymous one.  Report the size if the mmap fails.
11162         * output.h (class Output_file): Declare map_anonymous.
11163
11164 2009-03-24  Ian Lance Taylor  <iant@google.com>
11165
11166         * target-select.cc (instantiate_target): Don't acquire the lock if
11167         the instantiated_target_ field has already been set.
11168
11169 2009-03-23  Ian Lance Taylor  <iant@google.com>
11170
11171         * gold-threads.h (class Initialize_lock): Define.
11172         * gold-threads.cc (class Initialize_lock_once): Define.
11173         (initialize_lock_control): New static variable.
11174         (initialize_lock_pointer): New static variable.
11175         (initialize_lock_once): New static function.
11176         (Initialize_lock::Initialize_lock): Define.
11177         (Initialize_lock::initialize): Define.
11178         * target-select.h: Include "gold-threads.h".
11179         (class Target_selector): Add lock_ and initialize_lock_ fields.
11180         Don't define instantiate_target, just declare it.
11181         * target-select.cc (Target_selector::Target_selector): Initialize
11182         new fields.
11183         (Target_selector::instantiate_target): Define.
11184         * descriptors.h: Include "gold-threads.h".
11185         (class Descriptors): Add initialize_lock_ field.
11186         * descriptors.cc (Descriptors::Descriptors): Initialize new
11187         field.
11188         (Descriptors::open): Use initialize_lock_ field
11189         * errors.h (class Errors): Add initialize_lock_ field.
11190         * errors.cc (Errors::Errors): Initialize new field.
11191         (Errors::initialize_lock): Use initialize_lock_ field.
11192         * powerpc.cc (class Target_selector_powerpc): Remove
11193         instantiated_target_ field.  In do_recognize call
11194         instantiate_target rather than do_instantiate_target.  In
11195         do_instantiate_target just allocate a new target.
11196         * sparc.cc (class Target_selector_sparc): Likewise.
11197
11198         * freebsd.h: New file.
11199         * i386.cc: Include "freebsd.h".
11200         (Target_i386): Derive from Target_freebsd rather than
11201         Sized_target.
11202         (Target_selector_i386): Derive from Target_selector_freebsd rather
11203         than Target_selector.
11204         * x86_64.cc: Include "freebsd.h".
11205         (Target_x86_64): Derive from Target_freebsd rather than
11206         Sized_target.
11207         (Target_selector_x86_64): Derive from Target_selector_freebsd
11208         rather than Target_selector.
11209         * target.h (class Target): Add adjust_elf_header and
11210         do_adjust_elf_header.
11211         * output.cc (Output_file_header:: do_sized_write): Call target
11212         adjust_elf_header routine.
11213         * configure.tgt: Set targ_osabi.
11214         * configure.ac: Define GOLD_DEFAULT_OSABI.
11215         * parameters.cc (Parameters::default_target): Pass
11216         GOLD_DEFAULT_OSABI to select_target.
11217         * target-select.h (class Target_selector): Make instantiate_target
11218         protected rather than private.
11219         * Makefile.am (HFILES): Add freebsd.h.
11220         * configure, Makefile.in, config.in: Rebuild.
11221
11222         * merge.cc (do_add_input_section): Correct pend value.  Change
11223         message about last entry not being null terminated from error to
11224         warning.
11225
11226 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11227
11228         * incremental.cc: New file.
11229         * Makefile.am (CCFILES): Add incremental.cc.
11230         * Makefile.in: Rebuild.
11231
11232 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11233
11234         * layout.cc (Layout::output_section_name): Preserve names
11235         of '.note.' sections.
11236
11237 2009-03-19  Ian Lance Taylor  <iant@google.com>
11238
11239         * descriptors.cc (Descriptors::open): Check that the options are
11240         valid before using them.
11241
11242 2009-03-18  Ian Lance Taylor  <iant@google.com>
11243
11244         * script-sections.h: Include <list>.
11245         (class Script_sections): Change Sections_elements from std::vector
11246         to std::list.  Typedef public Elements_iterator.  Add
11247         orphan_section_placement_, data_segment_align_start_, and
11248         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11249         field.
11250         * script-sections.cc (class Orphan_section_placement): New class.
11251         (class Sections_element): Add virtual functions is_relro and
11252         orphan_section_init.  Remove virtual function place_orphan_here.
11253         (class Output_section_definition): Add is_relro and
11254         orphan_section_init.  Remove place_orphan_here.
11255         (class Orphan_output_section): Likewise.
11256         (Script_sections::Script_sections): Update for field changes.
11257         (Script_sections::data_segment_align): Set saw_data_segment_align_
11258         and data_segment_align_start_, not data_segment_align_index.
11259         (Script_sections::data_segment_relro_end): Check
11260         saw_data_segment_align_.  Use data_segment_align_start_ rather
11261         than data_segment_align_index_.
11262         (Script_sections::place_orphan): Rewrite to use
11263         Orphan_section_placement.
11264
11265 2009-03-17  Ian Lance Taylor  <iant@google.com>
11266
11267         * archive.cc (Archive::add_symbols): Check for a version attached
11268         to the symbol name in the archive map.
11269         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11270         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11271         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11272         (ver_test_11.a): New target.
11273         * testsuite/Makefile.in: Rebuild.
11274
11275         * configure.ac: Check for chsize and posix_fallocate.  Replace
11276         ftruncate.
11277         * ftruncate.c: New file, from gnulib.
11278         * output.cc (posix_fallocate): Define dummy version if not
11279         HAVE_POSIX_FALLOCATE.
11280         (Output_file::map): Call posix_fallocate rather than lseek and
11281         write.
11282         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11283         * configure, Makefile.in, config.in: Rebuild.
11284
11285 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11286
11287         * layout.h (Layout::create_note): Add section_name parameter.
11288         * layout.cc (Layout::create_note): Likewise.
11289         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11290
11291 2009-03-17  Ian Lance Taylor  <iant@google.com>
11292
11293         * descriptors.cc: Include "options.h".
11294         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11295         (Descriptors::open): Always use O_CLOEXEC when opening a new
11296         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11297         then set FD_CLOEXEC.
11298
11299         * sparc.cc (class Target_sparc): Add has_got_section.
11300         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11301         make sure we have a GOT section.
11302
11303         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11304         (Target_sparc::Scan::local): Likewise.
11305         (Target_sparc::Scan::global): Likewise.
11306         (Target_sparc::Relocate::relocate): Likewise.
11307         (Target_sparc::Relocate::relocate_tls): Likewise.
11308
11309         * symtab.cc (Symbol_table::define_default_version): New function,
11310         broken out of add_from_object.
11311         (Symbol_table::add_from_object): Call define_default_version.
11312         (Symbol_table::define_special_symbol): Add resolve_oldsym
11313         parameter.  Change all callers.  If the version for a symbol comes
11314         from a version script, resolve it with the symbol with the same
11315         name with no version.  Also add the symbol without a version if
11316         appropriate.
11317         (do_define_in_output_data): If resolving with oldsym, don't delete
11318         sym.
11319         (do_define_in_output_segment): Likewise.
11320         (do_define_as_constant): Likewise.
11321         * symtab.h (class Symbol_table): Update declarations.
11322
11323 2009-03-13  Ian Lance Taylor  <iant@google.com>
11324
11325         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11326         (Read_symbols::requeue): New function.
11327         (Read_symbols::do_read_symbols): If make_elf_object fails because
11328         the target type is not configured, and the file was searched for,
11329         issue a warning and retry with the next directory.
11330         (Add_symbols::run): If the file has an incompatible format, and
11331         it was searched for, requeue the Read_symbols task.  On error,
11332         release the object.
11333         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11334         dirindex parameter to constructor.  Change all callers.  Declare
11335         incompatible_warning and requeue.
11336         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11337         input_argument_ and input_group_ fields.  Add them to
11338         constructor.  Change all callers.
11339         (class Read_script): Add dirindex_ field.  Add it to constructor.
11340         Change all callers.
11341         * archive.cc (Archive::setup): Remove input_objects parameter.
11342         Change all callers.
11343         (Archive::get_file_and_offset): Likewise.
11344         (Archive::read_all_symbols): Likewise.
11345         (Archive::read_symbols): Likewise.
11346         (Archive::get_elf_object_for_member): Remove input_objects
11347         parameter.  Add punconfigured parameter.  Change all callers.
11348         (Archive::add_symbols): Change return type to bool.  Check return
11349         value of include_member.
11350         (Archive::include_all_members): Likewise.
11351         (Archive::include_member): Change return type to bool.  Return
11352         false if first included object has incompatible target.  Set
11353         included_member_ field.
11354         (Add_archive_symbols::run): If add_symbols returns false, requeue
11355         Read_symbols task.
11356         * archive.h (class Archive): Add included_member_ field.
11357         Initialize it in constructor.  Add input_file and searched_for
11358         methods.  Update declarations.
11359         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11360         input_argument_ fields.  Add them to constructor.  Change all
11361         callers.
11362         * script.cc: Include "target-select.h".
11363         (class Parser_closure): Add skip_on_incompatible_target_ and
11364         found_incompatible_target_ fields.  Add
11365         skip_on_incompatible_target parameter to constructor.  Change all
11366         callers.  Add methods skip_on_incompatible_target,
11367         clear_skip_on_incompatible_target, found_incompatible_target, and
11368         set_found_incompatible_target.
11369         (read_input_script): Add dirindex parameter.  Change all callers.
11370         If parser finds an incompatible target, requeue Read_symbols
11371         task.
11372         (script_set_symbol): Clear skip_on_incompatible_target in
11373         closure.
11374         (script_add_assertion, script_parse_option): Likewise.
11375         (script_start_sections, script_add_phdr): Likewise.
11376         (script_check_output_format): New function.
11377         * script.h (read_input_script): Update declaration.
11378         * script-c.h (script_check_output_format): Declare.
11379         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11380         (ignore_cmd): Remove OUTPUT_FORMAT.
11381         * fileread.cc (Input_file::Input_file): Add explicit this.
11382         (Input_file::will_search_for): New function.
11383         (Input_file::open): Add pindex parameter.  Change all callers.
11384         * fileread.h (class Input_file): Add input_file_argument method.
11385         Declare will_search_for.  Update declarations.
11386         * object.cc (make_elf_object): Add punconfigured parameter.
11387         Change all callers.
11388         * object.h (class Object): Make input_file public.  Add
11389         searched_for method.
11390         (make_elf_object): Update declaration.
11391         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11392         restart search.
11393         * dirsearch.h (class Dirsearch): Update declaration.
11394         * options.h (class General_options): Add --warn-search-mismatch.
11395         * parameters.cc (Parameters::is_compatible_target): New function.
11396         * parameters.h (class Parameters): Declare is_compatible_target.
11397         * workqueue.cc (Workqueue::add_blocker): New function.
11398         * workqueue.h (class Workqueue): Declare add_blocker.
11399
11400         * fileread.cc (Input_file::open): Remove options parameter.
11401         Change all callers.
11402         (Input_file::open_binary): Likewise.
11403         * script.cc (read_input_script): Likewise.
11404         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11405         options parameter from constructor.  Change all callers.
11406         (class Read_script): Likewise.
11407         * fileread.h (class Input_file): Update declarations.
11408         * script.h (read_input_script): Update declaration.
11409
11410 2009-03-10  Nick Clifton  <nickc@redhat.com>
11411
11412         * po/es.po: New Spanish translation.
11413
11414 2009-03-06  Cary Coutant  <ccoutant@google.com>
11415
11416         * options.cc (parse_short_option): Keep dash_z from registering itself.
11417
11418 2009-03-03  Ian Lance Taylor  <iant@google.com>
11419
11420         PR 9918
11421         * target-reloc.h (relocate_section): Pass output_section to
11422         relocate.
11423         * i386.cc (Target_i386::should_apply_static_reloc): Add
11424         output_section parameter.  Change all callers.
11425         (Target_i386::Relocate::relocate): Add output_section parameter.
11426         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11427         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11428         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11429         * testsuite/two_file_shared.sh: New script.
11430         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11431         (check_DATA): Add two_file_shared.dbg.
11432         (two_file_shared.dbg): New target.
11433         * testsuite/Makefile.in: Rebuild.
11434
11435 2009-03-01  Ian Lance Taylor  <iant@google.com>
11436
11437         * configure.ac: Check for byteswap.h.
11438         * configure: Rebuild.
11439         * config.in: Rebuild.
11440
11441 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11442
11443         * layout.cc (Layout::find_or_add_kept_section): New function.
11444         (Layout::add_comdat): Removed.
11445         * layout.h (struct Kept_section): Move out of class Layout.
11446         Remove trailing underscores from field names.  Add group_sections
11447         field.  Rename group_ field to is_group.  Change all uses.
11448         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11449         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11450         comdat_groups_ field.
11451         (Sized_relobj::include_section_group): Use
11452         find_or_add_kept_section and Kept_section::group_sections.
11453         (Sized_relobj::include_linkonce_section): Likewise.
11454         * object.cc (class Sized_relobj): Don't define Comdat_group or
11455         Comdat_group_table.  Remove find_comdat_group and
11456         add_comdat_group.  Remove comdat_groups_ field.
11457         * plugin.cc (include_comdat_group): Use
11458         Layout::find_or_add_kept_section.
11459
11460 2009-02-28  Ian Lance Taylor  <iant@google.com>
11461
11462         * README: --gc-sections and map files are now supported.  Document
11463         some build requirements.
11464
11465         PR 6992
11466         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11467         relocatable link set the value of the section symbol to zero.
11468         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11469         relocatable link don't include the section address in the local
11470         symbol value.
11471
11472 2009-02-27  Ian Lance Taylor  <iant@google.com>
11473
11474         PR 6811
11475         * options.h (class Search_directory): Add is_system_directory.
11476         (class General_options): Declare is_in_system_directory.
11477         * options.cc (get_relative_sysroot): Make static.
11478         (get_default_sysroot): Make static.
11479         (General_optoins::is_in_system_directory): New function.
11480         * fileread.cc (Input_file::is_in_system_directory): New function.
11481         * fileread.h (class Input_file): Declare is_in_system_directory.
11482         * object.h (class Object): Add is_in_system_directory.
11483         (class Input_objects): Remove system_library_directory_ field.
11484         * object.cc (Input_objects::add_object): Don't set
11485         system_library_directory_.
11486         (input_objects::found_in_system_library_directory): Remove.
11487         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11488         parameter.  Change all callers.
11489         (Symbol_table::sized_write_globals): Likewise.
11490         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11491         Call Object::is_in_system_directory.
11492         * symtab.h (class Symbol_table): Update declarations.
11493
11494         PR 5990
11495         * descriptors.h (Open_descriptor): Add is_on_stack field.
11496         * descriptors.cc (Descriptors::open): If the descriptor is on the
11497         top of the stack, remove it.  Initialize is_on_stack field.
11498         (Descriptors::release): Only add pod to stack if it is not on the
11499         stack already.
11500         (Descriptors::close_some_descriptor): Clear stack_next and
11501         is_on_stack fields.
11502
11503         PR 7091
11504         * output.cc (Output_section::find_starting_output_address): Rename
11505         from starting_output_address; add PADDR parameter; change return
11506         type.
11507         * output.h (class Output_section): Declare
11508         find_starting_output_address instead of starting_output_address.
11509         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11510         section symbol for which we can't find a merge section.
11511
11512         PR 9836
11513         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11514         hidden or internal, force the symbol to be local.
11515         * resolve.cc (Symbol::override_visibility): Define.
11516         (Symbol::override_base): Use override_visibility.
11517         (Symbol_table::resolve): Likewise.
11518         (Symbol::override_base_with_special): Likewise.
11519         (Symbol_table::override_with_special): If the visibility is hidden
11520         or internal, force the symbol to be local.
11521         * symtab.h (class Symbol): Add set_visibility and
11522         override_visibility.
11523         * testsuite/ver_test_1.sh: New file.
11524         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11525         (check_DATA): Add ver_test_1.syms.
11526         (ver_test_1.syms): New target.
11527         * testsuite/Makefile.in: Rebuild.
11528
11529 2009-02-25  Cary Coutant  <ccoutant@google.com>
11530
11531         * layout.cc (Layout::choose_output_section): Don't rename sections
11532         when using a linker script that has a SECTIONS clause.
11533         * Makefile.in: Regenerate.
11534
11535         * testsuite/Makefile.am (script_test_5.sh): New test case.
11536         * testsuite/Makefile.in: Regenerate.
11537         * testsuite/script_test_5.cc: New file.
11538         * testsuite/script_test_5.sh: New file.
11539         * testsuite/script_test_5.t: New file.
11540
11541 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11542
11543         * archive.cc (Archive::include_member): Update calls to add_symbols.
11544         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11545         the Layout argument.
11546         * dynobj.h (do_add_symbols): Add the Layout argument.
11547         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11548         Layout argument.
11549         * object.h (Object::add_symbols): Add the Layout argument.
11550         (Object::do_add_symbols): Add the Layout argument.
11551         (Sized_relobj::do_add_symbols): Add the Layout argument.
11552         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11553         Unify the two versions.
11554         (Add_plugin_symbols): Remove.
11555         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11556         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11557         (Add_plugin_symbols): Remove.
11558         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11559         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11560         (Add_symbols::run): Make it work with Pulginobj.
11561
11562 2009-02-06  Ian Lance Taylor  <iant@google.com>
11563
11564         * object.cc (Sized_relobj::do_layout): Make info message start
11565         with lower case letter.
11566
11567 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11568
11569         * binary.cc: Fix file comment.
11570
11571         * options.h (enum Incremental_disposition): Define.
11572         (class General_options): Add new options: --incremental,
11573         --incremental_changed, --incremental_unchanged,
11574         --incremental_unknown.  Add incremental_disposition_ and
11575         implicit_incremental_ fields.
11576         (General_options::incremental_disposition): New function.
11577         (class Position_dependent_options): Add incremental_disposition
11578         option.
11579         (Position_dependent_options::copy_from_options): Set incremental
11580         dispositions.
11581         * options.cc (General_options::parse_incremental_changed): New
11582         function.
11583         (General_options::parse_incremental_unchanged): New function.
11584         (General_options::parse_incremental_unknown): New function.
11585         (General_options::General_options): Initialize new fields
11586         incremental_disposition_ and implicit_incremental_.
11587         (General_options::finalize): Check for uasge of --incremental-*
11588         without --incremental.
11589
11590 2009-02-06  Chris Demetriou  <cgd@google.com>
11591
11592         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11593         pointer and to report location as the file name associated with
11594         the symbol.
11595         (gold_undefined_symbol_at_location): New function to replace the
11596         old gold_undefined_symbol functionality.
11597         * target-reloc.h (relocate_section): Update to use
11598         gold_undefined_symbol_at_location.
11599         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11600         Call gold_undefined_symbol function rather than gold_error.
11601         * errors.h (Errors::undefined_symbol): Take location as a
11602         string, rather than calculating it from a relocation.
11603         * errors.cc (Errors::fatal): Print "fatal error:" before the
11604         formatted message.
11605         (Errors::error, Errors::error_at_location): Print "error: "
11606         before the formatted message.
11607         (Errors::undefined_symbol): Take location as a string, rather
11608         than calculating it from a relocation.
11609         (gold_undefined_symbol_at_location): New function akin to
11610         old gold_undefined_symbol, calculates location from relocation.
11611         (gold_undefined_symbol): Change to take only a Symbol pointer
11612         and to report location as the file name associated with the symbol.
11613         * testsuite/debug_msg.sh: Update for changed error messages.
11614         * testsuite/undef_symbol.sh: Likewise.
11615
11616 2009-02-04  Duncan Sands  <baldrick@free.fr>
11617
11618         PR 9812
11619         * reduced_debug_output.h
11620         (Output_reduced_debug_abbrev_section::failed): Use format for
11621         gold_warning.
11622         (Output_reduced_debug_info_section::faild): Likewise.
11623
11624 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11625
11626         * script.cc (Lazy_demangler): New class.
11627         (Version_script_info::get_symbol_version_helper): Demangle a
11628         symbol only once.
11629
11630 2009-01-29  Cary Coutant  <ccoutant@google.com>
11631
11632         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11633         to __tls_get_addr.
11634         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11635
11636 2009-01-28  Ian Lance Taylor  <iant@google.com>
11637
11638         * version.cc (version_string): Bump to 1.9.
11639
11640         * gold.h: Include <cstring> and <stdint.h>.
11641         * version.cc: Include <cstdio>.
11642         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11643         warning.
11644         * reduced_debug_output.cc (insert_into_vector): Rename from
11645         Insert_into_vector; change all callers.  Use Swap_unaligned to
11646         avoid aliasing issue; remove union since it is unnecessary.
11647
11648 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11649
11650         * Makefile.am (CCFILES): Add gc.cc.
11651         (HFILES): Add gc.h.
11652         * Makefile.in: Regenerate.
11653         * gold.cc (Gc_runner): New class.
11654         (queue_initial_tasks): Call garbage collection related tasks
11655         when corresponding options are invoked.
11656         (queue_middle_gc_tasks): New function.
11657         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11658         processed early before laying out sections during garbage collection.
11659         * gold.h (queue_middle_gc_tasks): New function.
11660         (is_prefix_of): Move from "layout.cc".
11661         * i386.cc (Target_i386::gc_process_relocs): New function.
11662         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11663         * main.cc (main): Create object of class "Garbage_collection".
11664         * object.cc (Relobj::copy_symbols_data): New function.
11665         (Relobj::is_section_name_included): New function.
11666         (Sized_relobj::do_layout): Allow this function to be called twice
11667         during garbage collection and defer layout of section during the
11668         first call.
11669         * object.h (Relobj::get_symbols_data): New function.
11670         (Relobj::is_section_name_included): New function.
11671         (Relobj::copy_symbols_data): New function.
11672         (Relobj::set_symbols_data): New function.
11673         (Relobj::get_relocs_data): New function.
11674         (Relobj::set_relocs_data): New function.
11675         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11676         (Relobj::gc_process_relocs): New function.
11677         (Relobj::do_gc_process_relocs): New pure virtual function.
11678         (Relobj::sd_): New data member.
11679         (Sized_relobj::is_output_section_offset_invalid): New function.
11680         (Sized_relobj::do_gc_process_relocs): New function.
11681         * options.h (General_options::gc_sections): Modify to not be a no-op.
11682         (General_options::print_gc_sections): New option.
11683         * plugin.cc (Plugin_finish::run): Remove function call to
11684         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11685         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11686         * reloc.cc (Read_relocs::run): Add task to process relocs and
11687         determine unreferenced sections when doing garbage collection.
11688         (Gc_process_relocs): New class.
11689         (Sized_relobj::do_gc_process_relocs): New function.
11690         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11691         sections that are garbage collected.
11692         * reloc.h (Gc_process_relocs): New class.
11693         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11694         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11695         symbols whose corresponding sections are garbage collected.
11696         (Symbol_table::Symbol_table): Add new parameter for the garbage
11697         collection object.
11698         (Symbol_table::gc_mark_undef_symbols): New function.
11699         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11700         (Symbol_table::gc_mark_dyn_syms): New function.
11701         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11702         as garbage.
11703         (Symbol_table::add_from_object): Likewise.
11704         (Symbol_table::add_from_relobj): When building shared objects, do not
11705         treat externally visible symbols as garbage.
11706         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11707         table information for static and relocatable links.
11708         * symtab.h (Symbol_table::set_gc): New function.
11709         (Symbol_table::gc): New function.
11710         (Symbol_table::gc_mark_undef_symbols): New function.
11711         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11712         (Symbol_table::gc_mark_dyn_syms): New function.
11713         (Symbol_table::gc_): New data member.
11714         * target.h (Sized_target::gc_process_relocs): New pure virtual
11715         function.
11716         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11717         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11718
11719 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11720
11721         * options.h (General_options::gc_sections): Define as a no-op for now.
11722         (General_options::no_keep_memory): Ditto.
11723         (General_options::Bshareable): Define.
11724         * options.cc (General_options::finalize): Honor -Bshareable.
11725
11726 2009-01-20  Andreas Schwab  <schwab@suse.de>
11727
11728         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11729         read the value in the contents, since we don't use it.  Use the
11730         template endianness when writing.
11731         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11732
11733 2009-01-19  Andreas Schwab  <schwab@suse.de>
11734
11735         * configure.tgt (powerpc64-*): Fix targ_obj.
11736
11737 2009-01-15  Ian Lance Taylor  <iant@google.com>
11738
11739         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11740         local symbols when stripping all symbols.
11741
11742 2009-01-14  Cary Coutant  <ccoutant@google.com>
11743
11744         * output.cc (Output_reloc): Add explicit instantiations.
11745
11746 2009-01-14  Cary Coutant  <ccoutant@google.com>
11747
11748         * archive.cc (Archive::get_elf_object_for_member): Remove call
11749         to File_read::claim_for_plugin.
11750         * descriptors.cc (Descriptors::open): Remove reference to
11751         is_claimed.
11752         (Descriptors::claim_for_plugin): Remove.
11753         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11754         (Descriptors::is_claimed): Remove.
11755         (claim_descriptor_for_plugin): Remove.
11756         * fileread.cc (File_read::claim_for_plugin): Remove.
11757         * fileread.h (File_read::claim_for_plugin): Remove.
11758         (File_read::descriptor): Reopen descriptor if necessary.
11759         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11760         (Plugin_manager::all_symbols_read): Add task parameter. Change
11761         all callers.
11762         (Plugin_manager::get_input_file): New function.
11763         (Plugin_manager::release_input_file): New function.
11764         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11765         corresponding data member.
11766         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11767         and pass to base constructor. Change all callers.
11768         (get_input_file, release_input_file): New functions.
11769         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11770         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11771         (Plugin_manager::all_symbols_read): Add task parameter.
11772         (Plugin_manager::get_input_file): New function.
11773         (Plugin_manager::release_input_file): New function.
11774         (Plugin_manager::task_): New data member.
11775         (Pluginobj::Pluginobj): Add filesize parameter.
11776         (Pluginobj::filename): New function.
11777         (Pluginobj::descriptor): New function.
11778         (Pluginobj::filesize): New function.
11779         (Pluginobj::filesize_): New data member.
11780         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11781         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11782         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11783
11784         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11785         with archive libraries.
11786         * testsuite/Makefile.in: Regenerate.
11787         * testsuite/plugin_test.c (struct sym_info): New type.
11788         (get_input_file, release_input_file): New static variables.
11789         (onload): Capture new transfer vector entries.
11790         (claim_file_hook): Stop reading at end of file according to filesize.
11791         Factor out parsing of readelf output into separate function.
11792         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11793         APIs and get the source file name from the symbol table.  Convert
11794         source file name to corresponding object file name.  Print info
11795         message when adding new input files.
11796         (parse_readelf_line): New function.
11797         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11798         * testsuite/plugin_test_2.sh: Likewise.
11799         * testsuite/plugin_test_3.sh: Likewise.
11800         * testsuite/plugin_test_4.sh: New test case.
11801
11802 2009-01-07  Ian Lance Taylor  <iant@google.com>
11803
11804         * version.cc (version_string): Bump to 1.8.
11805
11806 2008-12-23  Cary Coutant  <ccoutant@google.com>
11807
11808         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11809         * plugin.cc (Plugin_manager::finish): Rename as
11810         layout_deferred_objects.  Move cleanup to separate function.
11811         (Plugin_manager::cleanup): New function.
11812         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11813         separately.
11814         * plugin.h (Plugin_manager::finish): Rename as
11815         layout_deferred_objects.
11816         (Plugin_manager::cleanup): New function.
11817         (Plugin_manager::cleanup_done): New field.
11818
11819 2008-12-23  Cary Coutant  <ccoutant@google.com>
11820
11821         * plugin.cc (is_visible_from_outside): New function.
11822         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11823         so we don't return "IR only" status for exported symbols or -r links.
11824
11825         * testsuite/Makefile.am (plugin_test_3): New test case.
11826         * testsuite/Makefile.in: Regenerate.
11827         * testsuite/plugin_test_3.sh: New file.
11828
11829 2008-12-22  Cary Coutant  <ccoutant@google.com>
11830
11831         * object.cc (Sized_relobj::layout_section): New function.
11832         (Sized_relobj::do_layout): Defer layout of input sections until after
11833         plugin has provided replacement files.
11834         (Sized_relobj::do_layout_deferred_sections): New function.
11835         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11836         (Relobj::layout_deferred_sections): New function.
11837         (Relobj::do_layout_deferred_sections): New function.
11838         (Sized_relobj::do_layout_deferred_sections): New function.
11839         (Sized_relobj::layout_section): New function.
11840         (Sized_relobj::Deferred_layout): New structure.
11841         (Sized_relobj::deferred_layout_): New field.
11842         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11843         Change all callers.  Layout deferred sections.
11844         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11845         references.
11846         (Plugin_hook::run): Move code from do_plugin_hook inline.
11847         (Plugin_hook::do_plugin_hook): Remove.
11848         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11849         (Plugin_manager::finish): Renamed, was cleanup.
11850         (Plugin_manager::should_defer_layout): New function.
11851         (Plugin_manager::add_deferred_layout_object): New function.
11852         (Plugin_manager::Deferred_layout_list): New type.
11853         (Plugin_manager::deferred_layout_objects_): New field.
11854         (Plugin_hook::do_plugin_hook): Remove.
11855
11856 2008-12-17  Ian Lance Taylor  <iant@google.com>
11857
11858         * options.h (class General_options): Add --no case for
11859         --export-dynamic.
11860
11861 2008-12-16  Cary Coutant  <ccoutant@google.com>
11862
11863         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11864         vector.
11865         (Plugin_manager::claim_file): Create plugin object even if
11866         plugin did not call the add_symbols callback.
11867         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11868         asking for more symbols than were added.
11869         * testsuite/Makefile.am (plugin_test_1): Add test case with
11870         no global symbols.
11871         (empty.syms): New target.
11872         * testsuite/Makefile.in: Regenerate.
11873         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11874         message. Don't call add_symbols if no globals.
11875         (all_symbols_read_hook): Don't provide replacement for empty
11876         claimed file.
11877
11878 2008-12-12  Ian Lance Taylor  <iant@google.com>
11879
11880         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11881         r_type == 0 for a local symbol with r_sym == 0.
11882         (scan_relocatable_relocs): Pass r_sym to
11883         local_non_section_strategy.
11884         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11885         r_sym parameter.
11886
11887         * configure.ac: Update test for TLS descriptors: they are
11888         supported as of glibc 2.9.
11889         * configure: Rebuild.
11890
11891 2008-12-11  Ian Lance Taylor  <iant@google.com>
11892
11893         PR 7091
11894         * target-reloc.h (Default_scan_relocatable_relocs): For each
11895         function, map r_type == 0 to RELOC_DISCARD.
11896
11897 2008-12-10  Cary Coutant  <ccoutant@google.com>
11898
11899         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11900         object to override a kept COMDAT group from a plugin object.
11901
11902 2008-12-09  Ian Lance Taylor  <iant@google.com>
11903
11904         PR 7088
11905         * yyscript.y (file_cmd): Handle INPUT.
11906
11907         * testsuite/initpri1.c: Change all declarations to be full
11908         prototypes by adding void, to avoid compiler warnings.
11909
11910 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11911
11912         * options.cc (General_options::parse_plugin_opt): New.
11913         (General_options::add_plugin): The argument now is just the filename.
11914         (General_options::add_plugin_option): New.
11915         * options.h (plugin_opt): New.
11916         (add_plugin): Change argument name.
11917         (add_plugin_option): New.
11918         * plugin.cc (Plugin::load): Don't parse the plugin option.
11919         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11920         (Plugin::add_option): New.
11921         (Plugin::args_): Change type.
11922         (Plugin::filename_): New.
11923         (Plugin_manager::add_plugin_option): New.
11924         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11925         * testsuite/Makefile.in: Regenerate.
11926
11927 2008-12-05  Cary Coutant  <ccoutant@google.com>
11928
11929         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11930         Handle --strip-lto-sections option.
11931         * options.h (strip_lto_sections): New option.
11932
11933 2008-12-01  Cary Coutant  <ccoutant@google.com>
11934
11935         * plugin.cc (ld_plugin_message): Change format parameter to const.
11936         Fix mismatch between new[] and delete.
11937
11938 2008-11-14  Cary Coutant  <ccoutant@google.com>
11939
11940         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11941         instead of -1U.
11942
11943 2008-11-05  Craig Silverstein  <csilvers@google.com>
11944
11945         * options.cc (General_options::parse_dynamic_list): New function.
11946         * options.h (General_options): New flags dynamic_list,
11947         dynamic_list_data, dynamic_list_cpp_new, and
11948         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11949         (General_options::in_dynamic_list): New function.
11950         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11951         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11952         (Lex::can_continue_name): Likewise.
11953         (yylex): Likewise.
11954         (read_script_file): New parameter script_options.
11955         (read_dynamic_list): New function.
11956         (Script_options::define_dynamic_list): New function.
11957         (dynamic_list_keyword_parsecodes): New variable.
11958         (dynamic_list_keywords): New variable.
11959         * script.h (Script_options::define_dynamic_list): New function
11960         prototype.
11961         (read_dynamic_list): New function prototype.
11962         * symtab.cc (strprefix): New macro.
11963         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11964         dynamic_list_data, dynamic_list_cpp_new, and
11965         dynamic_list_cpp_typeinfo.
11966         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11967         (dynamic_list_expr): New rule.
11968         (dynamic_list_nodes): Likewise.
11969         (dynamic_list_node): Likewise.
11970         * testsuite/Makefile.am (dynamic_list): New test.
11971         * testsuite/Makefile.in: Regenerated.
11972         * testsuite/dynamic_list.t: New file.
11973         * testsuite/dynamic_list.sh: New file.
11974
11975 2008-11-05  Craig Silverstein  <csilvers@google.com>
11976
11977         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11978         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11979         (t11_last): Likewise.
11980         * testsuite/ver_test_6.c (main): Likewise.
11981
11982 2008-10-07  Cary Coutant  <ccoutant@google.com>
11983
11984         * options.c (General_options::finalize): Add check for -static and
11985         -shared.
11986         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11987         is not empty.
11988
11989 2008-10-02  Cary Coutant  <ccoutant@google.com>
11990
11991         * plugin.cc (make_sized_plugin_object): Fix conditional
11992         compilation to work when not all targets are enabled.
11993
11994 2008-09-29  Cary Coutant  <ccoutant@google.com>
11995
11996         * archive.cc (Archive::get_file_and_offset): Use filename instead
11997         of name to get library path.
11998         (Archive::include_member): Unlock external member of a thin archive.
11999
12000         * testsuite/Makefile.am (TEST_AR): New variable.
12001         (thin_archive_test_1): New test.
12002         (thin_archive_test_2): New test.
12003         * testsuite/Makefile.in: Regenerate.
12004         * testsuite/thin_archive_main.cc: New file.
12005         * testsuite/thin_archive_test_1.cc: New file.
12006         * testsuite/thin_archive_test_2.cc: New file.
12007         * testsuite/thin_archive_test_3.cc: New file.
12008         * testsuite/thin_archive_test_4.cc: New file.
12009
12010 2008-09-29  Cary Coutant  <ccoutant@google.com>
12011
12012         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12013         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12014         instead of -1U.
12015         (Sized_relobj::do_finalize_local_symbols): Likewise.
12016         (Sized_relobj::map_to_kept_section): Likewise.
12017         * object.h (Sized_relobj::invalid_address): New constant.
12018         (Sized_relobj::do_output_section_offset): Check for invalid_address
12019         and return -1ULL.
12020         * output.cc (Output_reloc::local_section_offset): Use constant
12021         invalid_address instead of -1U.
12022         (Output_reloc::get_address): Likewise.
12023         (Output_section::output_address): Change -1U to -1ULL.
12024         * output.h (Output_reloc::invalid_address): New constant.
12025         * reloc.cc (Sized_relobj::write_sections): Use constant
12026         invalid_address instead of -1U.
12027         (Sized_relobj::relocate_sections): Likewise.
12028         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12029         values for merge sections.
12030         * target-reloc.h (relocate_for_relocatable): Use constant
12031         invalid_address instead of -1U.
12032
12033 2008-09-19  Cary Coutant  <ccoutant@google.com>
12034
12035         Add plugin functionality for link-time optimization (LTO).
12036         * configure.ac (plugins): Add --enable-plugins option.
12037         * configure: Regenerate.
12038         * config.in: Regenerate.
12039         * Makefile.am (LIBDL): New variable.
12040         (CCFILES): Add plugin.cc.
12041         (HFILES): Add plugin.h.
12042         (ldadd_var): Add LIBDL.
12043         * Makefile.in: Regenerate.
12044
12045         * archive.cc: Include "plugin.h".
12046         (Archive::setup): Don't preread archive symbols when using a plugin.
12047         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12048         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12049         files.
12050         (Archive::include_member): Add symbols from plugin objects.
12051         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12052         * descriptors.cc (Descriptors::open): Check for file descriptors
12053         abandoned by plugins.
12054         (Descriptors::claim_for_plugin): New function.
12055         * descriptors.h (Descriptors::claim_for_plugin): New function.
12056         (Open_descriptor::is_claimed): New field.
12057         (claim_descriptor_for_plugin): New function.
12058         * fileread.cc (File_read::claim_for_plugin): New function.
12059         * fileread.h (File_read::claim_for_plugin): New function.
12060         (File_read::descriptor): New function.
12061         * gold.cc: Include "plugin.h".
12062         (queue_initial_tasks): Add task to call plugin hooks for generating
12063         new object files.
12064         * main.cc: Include "plugin.h".
12065         (main): Load plugin libraries.
12066         * object.h (Pluginobj): Declare.
12067         (Object::pluginobj): New function.
12068         (Object::do_pluginobj): New function.
12069         (Object::set_target): New function.
12070         * options.cc: Include "plugin.h".
12071         (General_options::parse_plugin): New function.
12072         (General_options::General_options): Initialize plugins_ field.
12073         (General_options::add_plugin): New function.
12074         * options.h (Plugin_manager): Declare.
12075         (General_options): Add --plugin option.
12076         (General_options::has_plugins): New function.
12077         (General_options::plugins): New function.
12078         (General_options::add_plugin): New function.
12079         (General_options::plugins_): New field.
12080         * plugin.cc: New file.
12081         * plugin.h: New file.
12082         * readsyms.cc: Include "plugin.h".
12083         (Read_symbols::do_read_symbols): Check for archive before checking
12084         for ELF file.  Call plugin hooks to claim files.
12085         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12086         from a real object file; force override when processing replacement
12087         files.
12088         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12089         (Symbol::init_base_object): Likewise.
12090         (Symbol::init_base_output_data): Likewise.
12091         (Symbol::init_base_output_segment): Likewise.
12092         (Symbol::init_base_constant): Likewise.
12093         (Symbol::init_base_undefined): Likewise.
12094         (Symbol::output_section): Assert that object is not a plugin.
12095         (Symbol_table::add_from_pluginobj): New function.
12096         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12097         undefined.
12098         (Symbol_table::sized_write_globals): Likewise.
12099         (Symbol_table::add_from_pluginobj): Instantiate template.
12100         * symtab.h (Sized_pluginobj): Declare.
12101         (Symbol::in_real_elf): New function.
12102         (Symbol::set_in_real_elf): New function.
12103         (Symbol::in_real_elf_): New field.
12104         (Symbol_table::add_from_pluginobj): New function.
12105
12106         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12107         (LIBDL): New variable.
12108         (LDADD): Add LIBDL.
12109         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12110         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12111         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12112         (MOSTLYCLEANFILES): Likewise.
12113         * testsuite/Makefile.in: Regenerate.
12114         * testsuite/plugin_test.c: New file.
12115         * testsuite/plugin_test_1.sh: New file.
12116         * testsuite/plugin_test_2.sh: New file.
12117
12118 2008-09-16  Ian Lance Taylor  <iant@google.com>
12119
12120         * target-reloc.h (relocate_section): Check whether a symbol is
12121         defined by the ABI before reporting an undefined symbol error.
12122         * target.h (Target::is_defined_by_abi): Make parameter const.
12123         (Target::do_is_defined_by_abi): Likewise.
12124         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12125         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12126         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12127         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12128         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12129         * testsuite/Makefile.in: Rebuild.
12130
12131         * fileread.cc (make_view): Add casts to avoid warning.
12132
12133 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12134
12135         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12136         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12137
12138 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12139
12140         * options.h (General_options::output_is_executable): New.
12141         (General_options::output_is_pie): New.
12142         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12143         for shared libraries.
12144         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12145
12146 2008-09-11  Chris Demetriou  <cgd@google.com>
12147
12148         * options.h (origin): New -z option.
12149         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12150         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12151         in DT_FLAGS_1.
12152
12153 2008-09-05  Cary Coutant  <ccoutant@google.com>
12154
12155         * fileread.cc (File_read::make_view): Add check for attempt to map
12156         beyond end of file.
12157
12158 2008-09-05  Cary Coutant  <ccoutant@google.com>
12159
12160         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12161         explicit instantiations.
12162
12163 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12164
12165         PR gold/6858
12166         * options.cc (General_options::finalize): Allow undefined symbols
12167         in shlibs if linking -shared.
12168
12169         PR gold/6859
12170         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12171         symbols as not needing a dynsym entry.
12172
12173 2008-08-20  Craig Silverstein  <csilvers@google.com>
12174
12175         * fileread.cc (File_read::open): Do not lock the file unless it
12176         was successfully opened.
12177
12178 2008-08-14  Cary Coutant  <ccoutant@google.com>
12179
12180         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12181         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12182         * testsuite/tls_test.cc (struct int128): 128-bit struct
12183         for testing TLS relocs with non-zero addend.
12184         (v12): New TLS variable.
12185         (t12): New test.
12186         (t_last): Add check for v12.
12187         * testsuite/tls_test.h (t12): New function.
12188         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12189
12190 2008-08-13  Ian Lance Taylor  <iant@google.com>
12191
12192         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12193         set tls_segment_ or relro_segment_.
12194         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12195         when appropriate.
12196         * output.h (Output_section::clear_is_relro): New function.
12197         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12198         sections specially even when output_data_ is empty.
12199         (Output_segment::maximum_alignment): When first section is relro,
12200         only force alignment for PT_LOAD segments.
12201         * script.cc (script_data_segment_align): New function.
12202         (script_data_segment_relro_end): New function.
12203         * script-c.h (script_data_segment_align): Declare.
12204         (script_data_segment_relro_end): Declare.
12205         * script-sections.h (class Script_sections): Declare
12206         data_segment_align and data_segment_relro_end.  Add fields
12207         segment_align_index_ and saw_relro_end_.
12208         * script-sections.cc (class Sections_element): Add set_is_relro
12209         virtual function.  Add new bool* parameter to place_orphan_here.
12210         Add get_output_section virtual function.
12211         (class Output_section_definition): Add set_is_relro.  Add new
12212         bool* parameter to place_orphan_here.  Add get_output_section.
12213         Add is_relro_ field.
12214         (Output_section_definition::Output_section_definition): Initialize
12215         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12216         and is_relro_ fields.
12217         (Output_section_definition::place_orphan_here): Add is_relro
12218         parameter.
12219         (Output_section_definition::set_section_addresses): Set relro for
12220         output section.
12221         (Output_section_definition::alternate_constraint): Likewise.
12222         (class Orphan_output_section): Add new bool* parameter to
12223         place_orphan_here.  Add get_output_section.
12224         (Orphan_output_section::place_orphan_here): Add is_relro
12225         parameter.
12226         (Script_sections::Script_sections): Initialize
12227         data_segment_align_index_ and saw_relro_end_.
12228         (Script_sections::data_segment_align): New function.
12229         (Script_sections::data_segment_relro_end): New function.
12230         (Script_sections::place_orphan): Set or clear is_relro.
12231         (Script_sections::set_section_addresses): Force alignment of first
12232         TLS section.
12233         * yyscript.y (exp): Call script_data_segment_align and
12234         script_data_segment_relro_end.
12235         * testsuite/relro_script_test.t: New file.
12236         * testsuite/relro_test.cc (using_script): Declare.
12237         (t1, t2): Test using_script.
12238         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12239         (relro_script_test_SOURCES): Define.
12240         (relro_script_test_DEPENDENCIES): Define.
12241         (relro_script_test_LDFLAGS): Define.
12242         (relro_script_test_LDADD): Define.
12243         (relro_script_test.so): New target.
12244         * testsuite/Makefile.in: Rebuild.
12245
12246 2008-08-06  Cary Coutant <ccoutant@google.com>
12247
12248         * archive.cc (Archive::total_archives, Archive::total_members)
12249         (Archive::total_members_loaded): New variables.
12250         (Archive::setup): Add parameter.  Add option to preread
12251         archive symbols.
12252         (Archive::read_armap): Add counter.
12253         (Archive::get_file_and_offset): New function.
12254         (Archive::get_elf_object_for_member): New function.
12255         (Archive::read_all_symbols): New function.
12256         (Archive::read_symbols): New function.
12257         (Archive::add_symbols): Add counters.
12258         (Archive::include_all_members): Use armap to find members if it's
12259         already built.
12260         (Archive::include_member): Skip reading symbols if already read.
12261         Factored code into Archive::get_file_and_offset and
12262         Archive::get_elf_object_for_member.  Changed call to
12263         Mapfile::report_include_archive_member.
12264         (Archive::print_stats): New function.
12265         * archive.h: Declare Object and Read_symbols_data classes.
12266         (Archive::Archive): Add initializers for new members.
12267         (Archive::setup): Add parameter.
12268         (Archive::print_stats): New function.
12269         (Archive::total_archives, Archive::total_members)
12270         (Archive::total_members_loaded): New variables.
12271         (Archive::get_file_and_offset): New function.
12272         (Archive::get_elf_object_for_member): New function.
12273         (Archive::read_all_symbols): New function.
12274         (Archive::read_symbols): New function.
12275         (Archive::Archive_member): New class.
12276         (Archive::members_): New member.
12277         (Archive::num_members_): New member.
12278         * main.cc: Include archive.h.
12279         (main): Call Archive::print_stats.
12280         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12281         archive parameter; member_name is now the fully-decorated name.
12282         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12283         * options.h: (General_options): Add --preread-archive-symbols option.
12284         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12285         Archive::setup.
12286
12287 2008-08-04  Ian Lance Taylor  <iant@google.com>
12288
12289         * symtab.h (Symbol::use_plt_offset): New function.
12290         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12291         * powerpc.cc (Relocate::relocate): Likewise.
12292         * sparc.cc (Relocate::relocate): Likewise.
12293         * x86_64.cc (Relocate::relocate): Likewise.
12294         * testsuite/weak_plt.sh: New test.
12295         * testsuite/weak_plt_main.cc: New test.
12296         * testsuite/weak_plt_shared.cc: New test.
12297         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12298         (check_PROGRAMS): Add weak_plt.
12299         (check_DATA): Add weak_plt_shared.so.
12300         (weak_plt_main_pic.o, weak_plt): New targets.
12301         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12302         * testsuite/Makefile.in: Rebuild.
12303
12304         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12305         gcctestdir/ld.
12306         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12307         * testsuite/Makefile.in: Rebuild.
12308
12309 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12310
12311         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12312         * Makefile.in: Regenerate.
12313         * po/POTFILES.in: Regenerate.
12314
12315 2008-07-29  Ian Lance Taylor  <iant@google.com>
12316
12317         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12318         symbols before other symbols.
12319         * testsuite/script_test_2.cc (test_addr): Declare.
12320         (test_addr_alias): Declare.
12321         (main): Check that test_addr and test_addr_alias have the right
12322         values.
12323         * testsuite/script_test_2.t: Define test_addr_alias and
12324         test_addr.
12325
12326 2008-07-24  Ian Lance Taylor  <iant@google.com>
12327
12328         PR 5990
12329         * descriptors.cc: New file.
12330         * descriptors.h: New file.
12331         * gold-threads.h (class Hold_optional_lock): New class.
12332         * fileread.cc: Include "descriptors.h".
12333         (File_read::~File_read): Release descriptor rather than closing
12334         it.
12335         (File_read::open) [file]: Call open_descriptor rather than open.
12336         Set is_descriptor_opened_.
12337         (File_read::open) [memory]: Assert that descriptor is not open.
12338         (File_read::reopen_descriptor): New function.
12339         (File_read::release): Release descriptor.
12340         (File_read::do_read): Make non-const.  Reopen descriptor.
12341         (File_read::read): Make non-const.
12342         (File_read::make_view): Reopen descriptor.
12343         (File_read::do_readv): Likewise.
12344         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12345         Update declarations.
12346         * layout.cc: Include "descriptors.h".
12347         (Layout::create_build_id): Use open_descriptor rather than open.
12348         * output.cc: Include "descriptors.h".
12349         (Output_file::open): Use open_descriptor rather than open.
12350         * archive.cc (Archive::const_iterator): Change Archive to be
12351         non-const.
12352         (Archive::begin, Archive::end): Make non-const.
12353         (Archive::count_members): Likewise.
12354         * archive.h (class Archive): Update declarations.
12355         * object.h (Object::read): Make non-const.
12356         * Makefile.am (CCFILES): Add descriptors.cc.
12357         (HFILES): Add descriptors.h.
12358         * Makefile.in: Rebuild.
12359
12360         PR 6716
12361         * gold.h: Always include <clocale>.  Add Solaris workarounds
12362         following code in binutils/sysdep.h.
12363
12364         PR 6048
12365         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12366         this->eh_frame_hdr_ is NULL before using it.
12367
12368         * dynobj.cc (Versions::Versions): Update comment.
12369
12370         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12371         the base version name.
12372
12373         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12374         array size plus one.
12375         (Stringpool_template::set_string_offsets): Subtract one from key
12376         before using it as an array index.
12377         (Stringpool_template::get_offset_with_length): Likewise.
12378         (Stringpool_template::write_to_buffer): Likewise.
12379         * stringpool.h (Stringpool_template::get_offset_from_key):
12380         Likewise.
12381
12382 2008-07-23  Ian Lance Taylor  <iant@google.com>
12383
12384         PR 6658
12385         * object.h (Merged_symbol_value::value): Do our best to handle a
12386         negative addend.
12387
12388         PR 6647
12389         * script.cc (Version_script_info::get_versions): Don't add empty
12390         version tag to return value.
12391         (Version_script_info::get_symbol_version_helper): Change return
12392         type to bool.  Add pversion parameter.  Change all callers.
12393         (script_register_vers_node): Don't require a non-NULL tag.
12394         * script.h (class Version_script_info): Update declarations.
12395         (Version_script_info::get_symbol_version): Change return type to
12396         bool.  Add version parameter.  Change all callers.
12397         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12398         handling.  Handle an empty version from a version script.
12399         (Symbol_table::define_special_symbol): Likewise.
12400         * testsuite/ver_test_10.script: New file.
12401         * testsuite/ver_test_10.sh: New file.
12402         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12403         (check_DATA): Add ver_test_10.syms.
12404         (ver_test_10.syms, ver_test_10.so): New target.
12405         * testsuite/Makefile.in: Rebuild.
12406
12407 2008-07-23  Simon Baldwin  <simonb@google.com>
12408
12409         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12410         to zero for undefined symbols from dynamic libraries.
12411
12412 2008-07-23  Ian Lance Taylor  <iant@google.com>
12413
12414         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12415         Change all callers.
12416         * symtab.h (class Symbol_table): Update declaration.
12417         * testsuite/ver_test_9.cc: New file.
12418         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12419         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12420         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12421         (ver_test_9.so, ver_test_9.o): New targets.
12422         * testsuite/Makefile.in: Rebuild.
12423
12424 2008-07-22  Ian Lance Taylor  <iant@google.com>
12425
12426         * options.h (class General_options): Define --check-sections.
12427         * layout.cc (Layout::set_segment_offsets): Handle
12428         --check-sections.
12429
12430         * options.h (class General_options): Define -n/--nmagic and
12431         -N/--omagic.
12432         * options.cc (General_options::finalize): For -n/--nmagic or
12433         -N/--omagic, set -static.
12434         * layout.cc (Layout::attach_allocated_section_to_segment): If
12435         -N/--omagic, don't put read-only and read-write sections in
12436         different segments.
12437         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12438         finding a read-only segment.
12439         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12440         don't set the minimum segment alignment to the common page size,
12441         and don't set the file offset to the address modulo the page size.
12442         * script-sections.cc (Script_sections::create_segments): If
12443         -n/--omagic, don't put read-only and read-write sections in
12444         different segments.
12445
12446         * cref.cc: New file.
12447         * cref.h: New file.
12448         * options.h (class General_options): Add --print-symbol-counts.
12449         * main.cc (main): Issue defined symbol report if requested.
12450         * archive.cc (Archive::interpret_header): Make into a const member
12451         function.
12452         (Archive::add_symbols): Call Input_objects::archive_start and
12453         archive_stop.
12454         (Archive::const_iterator): Define new class.
12455         (Archive::begin, Archive::end): New functions.
12456         (Archive::include_all_members): Rewrite to use iterator.
12457         (Archive::count_members): New function.
12458         * archive.h (class Archive): Update declarations.
12459         (Archive::filename): New function.
12460         * object.cc: Include "cref.h".
12461         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12462         (Sized_relobj::do_get_global_symbol_counts): New function.
12463         (Input_objects::add_object): Add object to cross-referencer.
12464         (Input_objects::archive_start): New function.
12465         (Input_objects::archive_stop): New function.
12466         (Input_objects::print_symbol_counts): New function.
12467         * object.h: Declare Cref and Archive.
12468         (Object::get_global_symbol_counts): New function.
12469         (Object::do_get_global_symbol_counts): New pure virtual function.
12470         (class Sized_relobj): Add defined_count_ field.  Update
12471         declarations.
12472         (class Input_objects): Add cref_ field.  Update constructor.
12473         Update declarations.
12474         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12475         defined_count_.
12476         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12477         symbol counts.
12478         (Sized_dynobj::do_get_global_symbol_counts): New function.
12479         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12480         defined_count_.  Update declarations.  Define Symbols typedef.
12481         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12482         parameter.  Change all callers.
12483         (Symbol_table::add_from_dynobj): Add sympointers and defined
12484         parameters.  Change all callers.
12485         * symtab.h (class Symbol_table): Update declarations.
12486         * Makefile.am (CCFILES): Add cref.cc.
12487         (HFILES): Add cref.h.
12488         * Makefile.in: Rebuild.
12489
12490 2008-07-22  Simon Baldwin  <simonb@google.com>
12491
12492         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12493         to zero when writing undefined symbols.
12494
12495 2008-07-22  Ian Lance Taylor  <iant@google.com>
12496
12497         * output.cc (Output_section::add_input_section): Don't try to
12498         merge empty merge sections.
12499
12500 2008-07-21  Craig Silverstein  <csilvers@google.com>
12501
12502         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12503         Include symbol version in error message.
12504
12505 2008-07-20  Chris Demetriou  <cgd@google.com>
12506
12507         * configure.ac (gold_cv_c_random_seed): New configured variable.
12508         (RANDOM_SEED_CFLAGS): New substituted variable.
12509         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12510         * configure: Rebuild.
12511         * Makefile.in: Likewise.
12512         * testsuite/Makefile.in: Likewise.
12513
12514 2008-07-18  Ian Lance Taylor  <iant@google.com>
12515
12516         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12517         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12518         * testsuite/ver_test_main.cc (main): Call t4.
12519         (t4, t4_2a): Define.
12520         * testsuite/ver_test_2.cc (t4_2): Define.
12521         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12522         * testsuite/ver_test_4.cc (t4_2a): Define.
12523         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12524         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12525
12526 2008-07-17  Ian Lance Taylor  <iant@google.com>
12527
12528         * dynobj.cc (Versions::add_def): If we give an error about a
12529         missing version, go ahead and create the version anyhow.
12530
12531 2008-07-10  Ian Lance Taylor  <iant@google.com>
12532
12533         Handle output sections with more than 0x7fffffff bytes.
12534         * object.h (class Relobj): Change map_to_output_ to
12535         output_sections_, and just keep a section pointer.  Change all
12536         uses.  Move comdat group support to Sized_relobj.
12537         (Relobj::is_section_specially_mapped): Remove.
12538         (Relobj::output_section): Remove poff parameter.  Change all
12539         callers.
12540         (Relobj::output_section_offset): New function.
12541         (Relobj::set_section_offset): Rewrite.
12542         (Relobj::map_to_output): Remove.
12543         (Relobj::output_sections): New function.
12544         (Relobj::do_output_section_offset): New pure virtual function.
12545         (Relobj::do_set_section_offset): Likewise.
12546         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12547         group support from Relobj.  Update declarations.
12548         (Sized_relobj::get_output_section_offset): New function.
12549         (Sized_relobj::do_output_section_offset): New function.
12550         (Sized_relobj::do_set_section_offset): New function.
12551         * object.cc (Relobj::output_section_address): Remove.
12552         (Sized_relobj::Sized_relobj): Initialize new fields.
12553         (Sized_relobj::include_section_group): Cast find_kept_object to
12554         Sized_relobj.
12555         (Sized_relobj::include_linkonce_section): Likewise.
12556         (Sized_relobj::do_layout): Use separate arrays for output section
12557         and output offset.
12558         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12559         output_sections.
12560         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12561         output_sections and section_offsets.
12562         (Sized_relobj::write_local_symbols): Likewise.
12563         (map_to_kept_section): Compute output address directly.
12564         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12565         output_sections and section_offsets.
12566         (Sized_relobj::write_sections): Likewise.
12567         (Sized_relobj::relocate_sections): Likewise.
12568         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12569         * output.h (class Output_reloc): Update declarations.  Change
12570         u2_.relobj to Sized_relobj*.
12571         (class Output_data_reloc): Change add functions to use
12572         Sized_relobj*.
12573         * output.cc (Output_reloc::Output_reloc): Change relobj to
12574         Sized_relobj*.
12575         (Output_reloc::local_section_offset): Change return type to
12576         Elf_Addr.  Use get_output_section_offset.
12577         (Output_reloc::get_address): Likewise.
12578         (Output_section::is_input_address_mapped): Don't call
12579         is_section_specially_mapped.
12580         (Output_section::output_offset): Likewise.
12581         (Output_section::output_address): Likewise.
12582         (Output_section::starting_output_address): Likewise.
12583         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12584         parameter to Sized_relobj*.
12585         (Copy_relocs::need_copy_reloc): Likewise.
12586         (Copy_relocs::save): Likewise.
12587         * copy-relocs.h (class Copy_relocs): Update declarations.
12588         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12589         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12590         * target-reloc.h (relocate_for_relocatable): Change
12591         offset_in_output_section type to Elf_Addr.  Change code that uses
12592         it as well.
12593         * layout.cc (Layout::layout): Always set *off.
12594         * mapfile.cc (Mapfile::print_input_section): Use
12595         output_section_offset.
12596         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12597         Sized_relobj*.
12598         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12599         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12600         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12601
12602 2008-07-03  Ian Lance Taylor  <iant@google.com>
12603
12604         * layout.cc (Layout::include_section): Do not discard unrecognized
12605         SHT_STRTAB sections.
12606
12607 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12608
12609         * script.cc (Lex::can_continue_name): Make '?' allowable in
12610         version-script names.
12611         * testsuite/version_script.map: Change glob pattern to use '?'
12612
12613 2008-06-30  Manish Singh  <yosh@gimp.org>
12614
12615         PR 6585
12616         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12617         Correct typo.
12618
12619 2008-06-30  Ian Lance Taylor  <iant@google.com>
12620
12621         PR 6660
12622         PR 6682
12623         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12624         versions]: Don't try to read the value in the contents, since we
12625         don't use it.  Use the template endianness when writing.
12626
12627 2008-06-25  Cary Coutant  <ccoutant@google.com>
12628
12629         * fileread.cc (File_read::make_view): Assert on zero-length view.
12630         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12631         symbol table when there are no symbols to read.
12632
12633 2008-06-23  Craig Silverstein  <csilvers@google.com>
12634
12635         * version.cc (version_string): Bump to 1.7
12636
12637 2008-06-18  Craig Silverstein  <csilvers@google.com>
12638
12639         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12640         constant 0xFFFF to type Valtype.
12641         (Powerpc_relocate_functions::rel16_ha): Likewise.
12642
12643 2008-06-17  Ian Lance Taylor  <iant@google.com>
12644
12645         * output.h (Output_section::Input_section): Initialize p2align_ to
12646         zero for Output_section_data constructors.
12647         (Output_section::Input_section::addralign): If not an input
12648         section, return the alignment of the Output_section_data.
12649         * testsuite/copy_test.cc: New file.
12650         * testsuite/copy_test_1.cc: New file.
12651         * testsuite/copy_test_2.cc: New file.
12652         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12653         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12654         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12655         (copy_test_1_pic.o, copy_test_1.so): New targets.
12656         (copy_test_2_pic.o, copy_test_2.so): New targets.
12657         * testsuite/Makefile.in: Rebuild.
12658
12659         * script-sections.cc (Script_sections::place_orphan): Initialize
12660         local variable exact.
12661
12662 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12663
12664         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12665
12666 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12667             David S. Miller  <davem@davemloft.net>
12668
12669         * powerpc.cc: New file.
12670         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12671         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12672         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12673         * Makefile.in: Rebuild.
12674
12675 2008-06-09  Ian Lance Taylor  <iant@google.com>
12676
12677         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12678         <exception>.
12679         (throwing, orig_terminate): New static variables.
12680         (terminate_handler): New static function.
12681         (t2): Set terminate handler.
12682
12683 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12684
12685         PR 6584
12686         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12687         alignment.
12688
12689 2008-05-30  Cary Coutant  <ccoutant@google.com>
12690
12691         * archive.cc (Archive::include_all_members) Correct to step
12692         over symbol table and extended name table in thin archives.
12693
12694 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12695
12696         PR 6407
12697         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12698         calculation.
12699
12700 2008-05-28  Caleb Howe  <cshowe@google.com>
12701
12702         * reduced_debug_output.cc: New file.
12703         * reduced_debug_output.h: New file.
12704         * options.h (class General_options): Add --strip-debug-non-line.
12705         * options.cc (General_options::finalize): Add strip_debug_non_line
12706         to the strip heirarchy.
12707         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12708         fields.
12709         * layout.cc: Include "reduced_debug_output.h".
12710         (Layout::Layout): Initialize new fields.
12711         (line_only_debug_sections): New static array.
12712         (is_lines_only_debug_sections): New static inline function.
12713         (Layout::include_section): Handle --strip-debug-non-line.
12714         (Layout::make_output_section): If --strip-debug-non-line, build
12715         new output sections for .debug_abbrev and .debug_info.
12716         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12717         gold.  Warn about possible overflow.
12718         (read_signed_LEB_128): Likewise.
12719         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12720         (read_signed_LEB_128): Declare.
12721         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12722         (HFILES): Add reduced_debug_output.h.
12723         * Makefile.in: Rebuild.
12724
12725 2008-05-21  Ian Lance Taylor  <iant@google.com>
12726
12727         * mapfile.cc: New file.
12728         * mapfile.h: New file.
12729         * options.h (class General_options): Add -M/--print-map and -Map.
12730         * options.cc (General_options::finalize): Make -M equivalent to
12731         -Map -.
12732         * main.cc: Include <cstdio> and "mapfile.h".
12733         (main): Open mapfile if requested.
12734         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12735         constructor.  Change caller.
12736         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12737         (queue_middle_tasks): Likewise.
12738         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12739         declarations.
12740         * archive.cc: Include "mapfile.h".
12741         (Archive::add_symbols): Add mapfile parameter.  Change all
12742         callers.  Pass mapfile, symbol, and reason to include_member.
12743         (Archive::include_all_members): Add mapfile parameter.  Change all
12744         callers.
12745         (Archive::include_member): Add mapfile, sym, and why parameters.
12746         Change all callers.  Report inclusion to map file.
12747         * archive.h: Include "fileread.h".
12748         (class Archive): Update declarations.
12749         (Archive::file): New const method.
12750         (class Add_archive_symbols): Add mapfile_ field.  Update
12751         constructor.  Change all callers.
12752         * readsyms.h (class Read_symbols): Likewise.
12753         (class Finish_group): Likewise.
12754         (class Read_script): Likewise.
12755         * common.cc: Include "mapfile.h".
12756         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12757         all callers.
12758         (Symbol_table::do_allocate_commons): Likewise.
12759         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12760         symbol allocation to mapfile.
12761         * common.h (class Allocate_commons_task): Add mapfile_ field.
12762         Update constructor.  Change all callers.
12763         * symtab.h (class Symbol_table): Update declarations.
12764         * layout.cc: Include "mapfile.h".
12765         (Layout_task_runner::run): Print information to mapfile.
12766         (Layout::create_gold_note): Change Output_data_fixed_space to
12767         Output_data_zero_fill.
12768         (Layout::create_build_id): Likewise.
12769         (Layout::print_to_mapfile): New function.
12770         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12771         constructor.  Change caller.
12772         (class Layout): Declare print_to_mapfile.
12773         * output.cc (Output_section::Input_section::print_to_mapfile): New
12774         function.
12775         (Output_section::add_input_section): If producing a map, always
12776         add to input_sections_ list.
12777         (Output_section::do_print_to_mapfile): New function.
12778         (Output_segment::print_sections_to_mapfile): New function.
12779         (Output_segment::print_section_list_to_mapfile): New function.
12780         * output.h: Include "mapfile.h".
12781         (Output_data::print_to_mapfile): New function.
12782         (Output_data::do_print_to_mapfile): New virtual function.
12783         (Output_segment_headers::do_print_to_mapfile): New function.
12784         (Output_file_header::do_print_to_mapfile): New function.
12785         (Output_data_const::do_print_to_mapfile): New function.
12786         (class Output_data_const_buffer): Add map_name_ field.  Update
12787         constructor.  Change all callers.  Add do_print_to_mapfile
12788         function.
12789         (class Output_data_fixed_space): Likewise.
12790         (class Output_data_space): Likewise.
12791         (class Output_data_zero_fill): New class.
12792         (Output_data_strtab::do_print_to_mapfile): New function.
12793         (Output_data_reloc_base::do_print_to_mapfile): New function.
12794         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12795         (Output_data_group::do_print_to_mapfile): New function.
12796         (Output_data_got::do_print_to_mapfile): New function.
12797         (Output_data_dynamic::do_print_to_mapfile): New function.
12798         (Output_symtab_xindex::do_print_to_mapfile): New function.
12799         (class Output_section): Declare do_print_to_mapflie.  Declare
12800         print_to_mapfile in Input_section.
12801         (class Output_segment): Declare new functions.
12802         * object.h (Sized_relobj::symbol_count): New function.
12803         * script-sections.cc
12804         (Output_section_element_dot_assignment::set_section_addresses):
12805         Change Output_data_fixed_space to Output_data_zero_fill.
12806         (Output_data_expression::do_print_to_mapfile): New function.
12807         * script.cc (read_input_script): Add mapfile parameter.  Change
12808         all callers.
12809         * script.h (read_input_script): Update declaration.
12810         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12811         (Eh_frame::do_print_to_mapfile): New function.
12812         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12813         (Output_merge_string::do_print_to_mapfile): New function.
12814         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12815         function.
12816         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12817         function.
12818         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12819         function.
12820         * Makefile.am (CCFILES): Add mapfile.cc.
12821         (HFILES): Add mapfile.h.
12822         * Makefile.in: Rebuild.
12823
12824 2008-05-19  Ian Lance Taylor  <iant@google.com>
12825
12826         * options.h (class General_options): Add -z relro.
12827         * layout.cc (Layout::Layout): Initialize relro_segment_.
12828         (Layout::add_output_section_data): Return the output section.
12829         (Layout::make_output_section): Rcognize relro sections and mark
12830         them appropriately.
12831         (Layout::attach_allocated_section_to_segment): Put relro sections
12832         in a PT_GNU_RELRO segment.
12833         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12834         section as relro.
12835         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12836         PT_TLS segments.
12837         (Layout::linkonce_mapping): Map d.rel.ro.local to
12838         .data.rel.ro.local.
12839         (Layout::output_section_name): Us .data.rel.ro.local for any
12840         section which begins with that.
12841         * layout.h (class Layout): Update add_output_section_data
12842         declaration.  Add relro_segment_ field.
12843         * output.cc (Output_section::Output_section): Initialize is_relro_
12844         and is_relro_local_ fields.
12845         (Output_segment::add_output_section): Group relro sections.
12846         (Output_segment::is_first_section_relro): New function.
12847         (Output_segment::maximum_alignment): If there is a relro section,
12848         align the segment to the common page size.
12849         (Output_segment::set_section_addresses): Track whether we are
12850         looking at relro sections.  If the last section is a relro
12851         section, align to the common page size.
12852         (Output_segment::set_section_list_addresses): Add in_relro
12853         parameter.  Change all callers.  Align to the page size when
12854         moving from relro to non-relro section.
12855         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12856         segment.
12857         * output.h (class Output_section): Add is_relro_ and
12858         is_relro_local_ fields.
12859         (Output_section::is_relro): New function.
12860         (Output_section::set_is_relro): New function.
12861         (Output_section::is_relro_local): New function.
12862         (Output_section::set_is_relro_local): New function.
12863         (class Output_segment): Update declarations.
12864         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12865         * sparc.cc (Target_sparc::got_section): Likewise.
12866         * x86_64.cc (Target_x86_64::got_section): Likewise.
12867         * testsuite/relro_test_main.cc: New file.
12868         * testsuite/relro_test.cc: New file.
12869         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12870         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12871         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12872         (relro_test.so, relro_test_pic.o): New targets.
12873         * testsuite/Makefile.in: Rebuild.
12874
12875 2008-05-16  Ian Lance Taylor  <iant@google.com>
12876
12877         * output.cc (Output_segment::add_output_section): Remove front
12878         parameter.
12879         * output.h (class Output_segment): Remove
12880         add_initial_output_section and overloaded add_output_section.
12881         Update declaration of remaining add_output_section.
12882         * layout.cc (Layout::create_interp): Call add_output_section
12883         rather than add_initial_output_section.
12884         (Layout::finish_dynamic_section): Likewise.
12885
12886         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12887         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12888         know the dynamic type.
12889         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12890         field.  Initialize it in constructor.
12891         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12892         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12893         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12894         reloc.
12895
12896         * output.cc (Output_reloc::get_address): Change return type to
12897         Elf_Addr.
12898         * output.h (class Output_reloc): Update get_address declaration.
12899         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12900         for section addresses.
12901
12902 2008-05-09  Ian Lance Taylor  <iant@google.com>
12903
12904         PR 6493
12905         * gold.cc (gold_nomem): Use return value of write.
12906
12907 2008-05-08  Ian Lance Taylor  <iant@google.com>
12908
12909         * symtab.c (Symbol::init_base_output_data): Add version
12910         parameter.  Change all callers.
12911         (Symbol::init_base_output_segment): Likewise.
12912         (Symbol::init_base_constant): Likewise.
12913         (Symbol::init_base_undefined): Likewise.
12914         (Sized_symbol::init_output_data): Likewise.
12915         (Sized_symbol::init_output_segment): Likewise.
12916         (Sized_symbol::init_constant): Likewise.
12917         (Sized_symbol::init_undefined): Likewise.
12918         (Symbol_table::do_define_in_output_data): If the new symbol has a
12919         version, mark it as the default.
12920         (Symbol_table::do_define_in_output_segment): Likewise.
12921         (Symbol_table::do_define_as_constant): Likewise.
12922         * symtab.h (class Symbol): Update declarations.
12923         (class Sized_symbol): Likewise.
12924         * resolve.cc (Symbol::override_version): New function.
12925         (Symbol::override_base): Call override_version.
12926         (Symbol::override_base_with_special): Likewise.
12927         * testsuite/ver_script_8.script: New file.
12928         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12929         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12930         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12931         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12932
12933 2008-05-06  Ian Lance Taylor  <iant@google.com>
12934
12935         PR 6049
12936         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12937         functions.
12938         (class General_options): Remove existing --undefined, and add
12939         --no-undefined instead.  Add new --undefined as synonym for -u.
12940         * archive.cc (Archive::add_symbols): Check whether symbol was
12941         named with -u.
12942         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12943         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12944         all uses.  Add IS_UNDEFINED.  Update declarations to split
12945         different versions of init_base.  Declare init_base_undefined.
12946         (Symbol::is_defined): Handle IS_UNDEFINED.
12947         (Symbol::is_undefined): Likewise.
12948         (Symbol::is_weak_undefined): Call is_undefined.
12949         (Symbol::is_absolute): Handle IS_CONSTANT.
12950         (class Sized_symbol): Update declarations to split different
12951         versions of init.  Declare init_undefined.
12952         (class Symbol_table): Declare new functions.
12953         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12954         Change all callers.
12955         (Symbol::init_base_output_data): Likewise.
12956         (Symbol::init_base_output_segment): Likewise.
12957         (Symbol::init_base_constant): Likewise.
12958         (Symbol::init_base_undefined): New function.
12959         (Sized_symbol::init_object): Rename from init.  Change all
12960         callers.
12961         (Sized_symbol::init_output_data): Likewise.
12962         (Sized_symbol::init_output_segment): Likewise.
12963         (Sized_symbol::init_constant): Likewise.
12964         (Sized_symbol::init_undefined): New function.
12965         (Symbol_table::add_undefined_symbols_from_command_line): New
12966         function.
12967         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12968         function.
12969         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12970         (Symbol::output_section): Likewise.
12971         (Symbol::set_output_section): Likewise.
12972         (Symbol_table::sized_finalize_symbol): Likewise.
12973         (Symbol_table::sized_write_globals): Likewise.
12974         * resolve.cc (Symbol_table::should_override): Likewise.
12975         (Symbol::override_base_with_special): Likewise.
12976
12977         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12978         symbol, change it to have default visibility.
12979         * testsuite/protected_1.cc: New file.
12980         * testsuite/protected_2.cc: New file.
12981         * testsuite/protected_3.cc: New file.
12982         * testsuite/protected_main_1.cc: New file.
12983         * testsuite/protected_main_2.cc: New file.
12984         * testsuite/protected_main_3.cc: New file.
12985         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12986         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12987         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12988         (protected_1.so): New target.
12989         (protected_1_pic.o, protected_2_pic.o): New targets.
12990         (protected_3_pic.o): New target.
12991         (check_PROGRAMS): Add protected_2.
12992         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12993         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12994         * testsuite/Makefile.in: Rebuild.
12995
12996         * options.h (DEFINE_var): Add set_user_set_##varname__.
12997         (DEFINE_bool_alias): New macro.
12998         (class General_options): Define -Bstatic using DEFINE_bool_alias
12999         rather than DEFINE_special.  Add --undefined as an alias for -z
13000         defs.
13001         * options.cc (General_options::parse_Bstatic): Remove.
13002
13003         * options.h (class General_options): Add --fatal-warnings.
13004         * main.cc (main): Implement --fatal-warnings.
13005         * errors.h (Errors::warning_count): New function.
13006
13007         * options.h (class General_options): Add -Bsymbolic-functions.
13008         * symtab.h (Symbol::is_preemptible): Check for
13009         -Bsymbolic-functions.
13010
13011 2008-05-05  Ian Lance Taylor  <iant@google.com>
13012
13013         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13014         as noVARNAME rather than no-VARNAME.
13015         (class General_options): Add option -z combreloc.
13016         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13017         get_address.
13018         (Output_reloc::sort_before) [SHT_REL]: New function.
13019         (Output_reloc::sort_before) [SHT_RELA]: New function.
13020         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13021         Sort_relocs_comparison.
13022         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13023         parameter.  Change all callers.
13024         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13025         sort_relocs parameter.  Change all callers.
13026         * output.cc (Output_reloc::get_address): New function, broken out
13027         of write_rel.
13028         (Output_reloc::write_rel): Call it.
13029         (Output_reloc::compare): New function.
13030         (Output_data_reloc_base::do_write): Optionally sort relocs.
13031
13032         * configure.ac: If targ_extra_obj is set, link it in.
13033         * configure.tgt: Initialize all variables.
13034         (x86_64*): Set targ_extra_obj and targ_extra_size.
13035         * configure: Rebuild.
13036
13037         * object.cc (Sized_relobj::include_section_group): Adjust section
13038         indexes read from group data.  Build vector to pass to
13039         layout_group.
13040         * layout.cc (Layout::layout_group): Add flags and shndxes
13041         parameters.  Remove contents parameter.  Change caller.  Update
13042         explicit instantiations.
13043         * layout.h (class Layout): Update layout_group declaration.
13044         * output.cc (Output_data_group::Output_data_group): Add flags and
13045         input_shndxes parameters.  Remove contents parameter.  Change
13046         caller.
13047         (Output_data_group::do_write): Change input_sections_ to
13048         input_shndxes_.
13049         * output.h (class Output_data_group): Update constructor
13050         declaration.  Rename input_sections_ to input_shndxes_.
13051         * testsuite/many_sections_test.cc: Add template.
13052
13053 2008-04-30  Cary Coutant  <ccoutant@google.com>
13054
13055         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13056
13057         * layout.cc (Layout::include_section): Refactored check for debug
13058         info section.
13059         (Layout::add_comdat): Add new parameters.  Change type
13060         of signature parameter.  Add object and shndx to signatures table.
13061         (Layout::find_kept_object): New function.
13062         * layout.h: Include <cstring>.
13063         (Layout::is_debug_info_section): New function.
13064         (Layout::add_comdat): Add new parameters.
13065         (Layout::find_kept_object): New function.
13066         (Layout::Kept_section): New struct.
13067         (Layout::Signatures): Change type of map range.
13068         * object.cc (Relobj::output_section_address): New function.
13069         (Sized_relobj::include_section_group): Add new parameters.  Change
13070         calls to Layout::add_comdat.  Change to build table of kept comdat
13071         groups and table mapping discarded sections to kept sections.
13072         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13073         (Sized_relobj::do_layout): Change calls to include_section_group and
13074         include_linkonce_section.
13075         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13076         value to zero when section is discarded.
13077         (Sized_relobj::map_to_kept_section): New function.
13078         * object.h (Relobj::output_section_address): New function.
13079         (Relobj::Comdat_group): New type.
13080         (Relobj::find_comdat_group): New function.
13081         (Relobj::Comdat_group_table): New type.
13082         (Relobj::Kept_comdat_section): New type.
13083         (Relobj::Kept_comdat_section_table): New type.
13084         (Relobj::add_comdat_group): New function.
13085         (Relobj::set_kept_comdat_section): New function.
13086         (Relobj::get_kept_comdat_section): New function.
13087         (Relobj::comdat_groups_): New field.
13088         (Relobj::kept_comdat_sections_): New field.
13089         (Symbol_value::input_value): Update comment.
13090         (Sized_relobj::map_to_kept_section) New function.
13091         (Sized_relobj::include_linkonce_section): Add new parameter.
13092         * target-reloc.h (Comdat_behavior): New type.
13093         (get_comdat_behavior): New function.
13094         (relocate_section): Add code to map a discarded section to the
13095         corresponding kept section when applying a relocation.
13096
13097 2008-04-30  Craig Silverstein  <csilvers@google.com>
13098
13099         * dwarf_reader.cc (next_generation_count): New static var.
13100         (Addr2line_cache_entry): New struct.
13101         (addr2line_cache): New static var.
13102         (Dwarf_line_info::one_addr2line): Added caching.
13103         (Dwarf_line_info::clear_addr2line_cache): New function.
13104         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13105         cache-size parameter.
13106         (Dwarf_line_info::one_addr2line_cache): New function.
13107         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13108         new cache-size argument to one_addr2line(), and clear cache.
13109
13110 2008-04-28  Cary Coutant  <ccoutant@google.com>
13111
13112         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13113         R_386_PC8 relocations.
13114
13115 2008-04-23  Ian Lance Taylor  <iant@google.com>
13116
13117         * object.cc (Sized_relobj::include_section_group): Check for
13118         invalid section group.
13119
13120         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13121         header size.
13122
13123         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13124         than read for file header.
13125         * archive.cc (Archive::include_member): Likewise.
13126
13127 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13128
13129         * aclocal.m4: Regenerate.
13130         * configure: Regenerate.
13131
13132 2008-04-19  Ian Lance Taylor  <iant@google.com>
13133
13134         * version.cc (version_string): Bump to 1.6.
13135
13136         * testsuite/Makefile.am (many_sections_r_test): New target.
13137         (many_sections_r_test_SOURCES): Remove.
13138         (many_sections_r_test_DEPENDENCIES): Remove.
13139         (many_sections_r_test_LDFLAGS): Remove.
13140         (many_sections_r_test_LDADD): Remove.
13141
13142         * object.cc (Sized_relobj::do_add_symbols): Always pass
13143         local_symbol_count_ to add_from_relobj.
13144
13145         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13146         every thousand variables.
13147         * testsuite/Makefile.in: Rebuild.
13148
13149         * object.cc (Xindex::initialize_symtab_xindex): New function.
13150         (Xindex::read_symtab_xindex): New function.
13151         (Xindex::sym_xindex_to_shndx): New function.
13152         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13153         available.
13154         (Sized_relobj::do_initialize_xindex): New function.
13155         (Sized_relobj::do_read_symbols): Adjust section links.
13156         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13157         parameter.  Change all callers.
13158         (Sized_relobj::include_section_group): Adjust section links and
13159         symbol section indexes.
13160         (Sized_relobj::do_layout): Adjust section links.
13161         (Sized_relobj::do_count_local_symbols): Adjust section links and
13162         symbol section indexes.
13163         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13164         ordinary and special symbols.
13165         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13166         dynsym_xindex parameters.  Change all callers.  Adjust section
13167         links.  Use SHN_XINDEX when needed.
13168         (Sized_relobj::get_symbol_location_info): Adjust section links.
13169         Don't get fooled by special symbols.
13170         * object.h (class Xindex): Define.
13171         (class Object): Add xindex_ parameter.  Declare virtual functoin
13172         do_initialize_xindex.
13173         (Object::adjust_sym_shndx): New function.
13174         (Object::set_xindex): New protected function.
13175         (class Symbol_value): Add is_ordinary_shndx_ field.
13176         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13177         (Symbol_value::value): Assert ordinary section.
13178         (Symbol_value::initialize_input_to_output_map): Likewise.
13179         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13180         Change all callers.
13181         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13182         all callers.
13183         (class Sized_relobj): Update declarations.
13184         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13185         parameter.  Change all callers.
13186         (Sized_relobj::adjust_shndx): New function.
13187         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13188         field.
13189         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13190         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13191         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13192         (Sized_dynobj::read_dynsym_section): Adjust section links.
13193         (Sized_dynobj::read_dynamic): Likewise.
13194         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13195         section links.
13196         (Sized_dynobj::do_initialize_xindex): New function.
13197         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13198         do_initialize_xindex.
13199         (Sized_dynobj::adjust_shndx): New function.
13200         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13201         dynsym_xindex_ fields.
13202         (Layout::finalize): Add a call to set_section_indexes before
13203         creating the symtab sections.
13204         (Layout::set_section_indexes): Don't do anything if the section
13205         already has a section index.
13206         (Layout::create_symtab_sections): Add shnum parameter.  Change
13207         caller.  Create .symtab_shndx section if needed.
13208         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13209         caller.
13210         (Layout::allocated_output_section_count): New function.
13211         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13212         needed.
13213         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13214         fields.  Update declarations.
13215         (Layout::symtab_xindex): New function.
13216         (Layout::dynsym_xindex): New function.
13217         (class Write_symbols_task): Add layout_ field.
13218         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13219         Change caller.
13220         * output.cc (Output_section_headers::Output_section_headers): Add
13221         shstrtab_section parameter.  Change all callers.
13222         (Output_section_headers::do_sized_write): Store overflow values
13223         for section count and section string table section index in
13224         section header zero.
13225         (Output_file_header::do_sized_write): Check for overflow of
13226         section count and section string table section index.
13227         (Output_symtab_xindex::do_write): New function.
13228         (Output_symtab_xindex::endian_do_write): New function.
13229         * output.h (class Output_section_headers): Add shstrtab_section_.
13230         Update declarations.
13231         (class Output_symtab_xindex): Define.
13232         (Output_section::has_out_shndx): New function.
13233         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13234         field.
13235         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13236         Change all callers.
13237         (Sized_symbol::init): Likewise.
13238         (Symbol::output_section): Check for ordinary symbol.
13239         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13240         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13241         callers.
13242         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13243         Change all callers.  Simplify handling of symbols from sections
13244         not included in the link.
13245         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13246         distinction.
13247         (Weak_alias_sorter::operator()): Assert that symbols are
13248         ordinary.
13249         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13250         distinction.
13251         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13252         parameters.  Change all callers.
13253         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13254         symbol distinction.  Use SHN_XINDEX when needed.
13255         (Symbol_table::write_section_symbol): Add symtab_xindex
13256         parameter.  Change all callers.
13257         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13258         SHN_XINDEX when needed.
13259         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13260         declarations.
13261         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13262         (Symbol::is_defined): Check is_ordinary.
13263         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13264         (Symbol::is_absolute, Symbol::is_common): Likewise.
13265         (class Sized_symbol): Update declarations.
13266         (class Symbol_table): Update declarations.
13267         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13268         parameters.  Change all callers.
13269         (Sized_symbol::override): Likewise.
13270         (Symbol_table::override): Likewise.
13271         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13272         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13273         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13274         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13275         to be in an ordinary section.
13276         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13277         object and is_ordinary parameters.  Change all callers.
13278         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13279         Change all callers.  Don't add undefined or non-ordinary symbols
13280         to reloc_map_.
13281         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13282         Change all callers.
13283         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13284         declarations.
13285         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13286         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13287         (Sized_relobj::relocate_sections): Likewise.
13288         * target-reloc.h (scan_relocs): Adjust section symbol index.
13289         (scan_relocatable_relocs): Likewise.
13290         * i386.cc (Scan::local): Check for ordinary symbols.
13291         * sparc.cc (Scan::local): Likewise.
13292         * x86_64.cc (Scan::local): Likewise.
13293         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13294         to symbol_section_and_value.
13295         * testsuite/many_sections_test.cc: New file.
13296         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13297         (check_PROGRAMS): Add many_sections_test.
13298         (many_sections_test_SOURCES): Define.
13299         (many_sections_test_DEPENDENCIES): Define.
13300         (many_sections_test_LDFLAGS): Define.
13301         (BUILT_SOURCES): Add many_sections_define.h.
13302         (many_sections_define.h): New target.
13303         (BUILT_SOURCES): Add many_sections_check.h.
13304         (many_sections_check.h): New target.
13305         (check_PROGRAMS): Add many_sections_r_test.
13306         (many_sections_r_test_SOURCES): Define.
13307         (many_sections_r_test_DEPENDENCIES): Define.
13308         (many_sections_r_test_LDFLAGS): Define.
13309         (many_sections_r_test_LDADD): Define.
13310         (many_sections_r_test.o): New target.
13311         * testsuite/Makefile.in: Rebuild.
13312
13313 2008-04-17  Cary Coutant  <ccoutant@google.com>
13314
13315         * errors.cc (Errors::info): New function.
13316         (gold_info): New function.
13317         * errors.h (Errors::info): New function.
13318         * gold.h (gold_info): New function.
13319         * object.cc (Input_objects::add_object): Print trace output.
13320         * options.cc (options::parse_set): New function.
13321         (General_options::parse_wrap): Deleted.
13322         (General_options::General_options): Deleted initializer.
13323         * options.h (options::String_set): New typedef.
13324         (options::parse_set): New function.
13325         (DEFINE_set): New macro.
13326         (General_options::wrap): Changed to use DEFINE_set. Changed
13327         callers of any_wrap_symbols and is_wrap_symbol.
13328         (General_options::trace, General_options::trace_symbol):
13329         New options.
13330         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13331         (General_options::wrap_symbols_): Deleted.
13332         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13333
13334 2008-04-17  David S. Miller  <davem@davemloft.net>
13335
13336         * options.cc (General_options::parse_V): New function.
13337         * options.h: Add entries for -V and -Qy.
13338
13339 2008-04-17  Ian Lance Taylor  <iant@google.com>
13340
13341         * common.cc (Symbol_table::allocate_commons): Remove options
13342         parameter.  Change caller.
13343         (Symbol_table::do_allocate_commons): Remove options parameter.
13344         Change caller.  Just call do_allocate_commons_list twice.
13345         (Symbol_table::do_allocate_commons_list): New function, broken out
13346         of do_allocate_commons.
13347         * common.h (class Allocate_commons_task): Remove options_ field.
13348         Update constructor.
13349         * symtab.cc (Symbol_table::Symbol_table): Initialize
13350         tls_commons_.
13351         (Symbol_table::add_from_object): Put TLS common symbols on
13352         tls_commons_ list.
13353         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13354         which are IN_OUTPUT_DATA.
13355         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13356         allocate_commons and do_allocate_commons declarations.  Declare
13357         do_allocate_commons_list.
13358         * gold.cc (queue_middle_tasks): Update creation of
13359         Allocate_commons_task to not pass options.
13360         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13361         (TLS_TEST_C_FLAGS): New variable.
13362         (tls_test_c_pic.o): New target.
13363         (tls_test_shared.so): Link in tls_test_c_pic.o.
13364         (tls_test_c_pic_ie.o): New target.
13365         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13366         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13367         (tls_test_c.o): New target.
13368         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13369         (tls_pic_test_LDADD): Likewise.
13370         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13371         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13372         (tls_test_c_gnu2.o): New target.
13373         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13374         tls_test_c_gnu2.o.
13375         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13376         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13377         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13378         * testsuite/tls_test.cc: Include "config.h".
13379         (t_last): Call t11_last.
13380         * testsuite/tls_test.h (t11, t11_last): Declare.
13381         * testsuite/tls_test_c.c: New file.
13382         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13383         * configure.ac: Check for OpenMP support.
13384         * configure, config.in, Makefile.in: Rebuild.
13385         * testsuite/Makefile.in: Rebuild.
13386
13387 2008-04-16  Cary Coutant  <ccoutant@google.com>
13388
13389         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13390         (Target_i386::tls_base_symbol_defined_): New field.
13391         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13392         (Target_i386::Scan::global): Likewise.
13393         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13394         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13395         (Target_x86_64::tls_base_symbol_defined_): New field.
13396         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13397         (Target_x86_64::Scan::global): Likewise.
13398
13399 2008-04-16  Cary Coutant  <ccoutant@google.com>
13400
13401         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13402         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13403         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13404         building shared libraries.
13405         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13406         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13407         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13408         * testsuite/Makefile.in: Rebuild.
13409         * testsuite/weak_undef.h: New file.
13410         * testsuite/weak_undef_file1.cc: Add extra test cases.
13411         * testsuite/weak_undef_file2.cc: Likewise.
13412         * testsuite/weak_undef_test.cc: Likewise.
13413
13414 2008-04-16  David S. Miller  <davem@davemloft.net>
13415
13416         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13417         Add issued_non_pic_error_ field.  Declare check_non_pic.
13418         (Target_sparc::Scan::check_non_pic): New function.
13419         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13420         (Target_sparc::Scan::global): Likewise.
13421
13422         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13423         * configure: Rebuild.
13424
13425         * options.h (DEFINE_enable): New macro.
13426         (new_dtags): New enable option.
13427         (initfirst, interpose, loadfltr, nodefaultlib,
13428         nodelete, nodlopen, nodump): New -z options.
13429         * layout.cc (Layout:finish_dynamic_section): If new
13430         dtags enabled, emit DT_RUNPATH.  Also, emit a
13431         DT_FLAGS_1 containing any specified -z flags.
13432
13433 2008-04-16  Ian Lance Taylor  <iant@google.com>
13434
13435         * copy-relocs.cc: New file.
13436         * copy-relocs.h: New file.
13437         * reloc.cc: Remove Copy_relocs code.
13438         * reloc.h: Likewise.
13439         * reloc-types.h (struct Reloc_types) [both versions]: Add
13440         get_reloc_addend_noerror.
13441         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13442         variants of add_global which take an addend which must be zero.
13443         * i386.cc: Include "copy-relocs.h".
13444         (class Target_i386): Change type of copy_relocs_ to variable,
13445         update initializer.
13446         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13447         Change all callers.
13448         (Target_i386::do_finalize_sections): Change handling of
13449         copy_relocs_.
13450         * sparc.cc: Include "copy-relocs.h".
13451         (class Target_sparc): Change type of copy_relocs_ to variable,
13452         update initializer.
13453         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13454         Change all callers.
13455         (Target_sparc::do_finalize_sections): Change handling of
13456         copy_relocs_.
13457         * x86_64.cc: Include "copy-relocs.h".
13458         (class Target_x86_64): Change type of copy_relocs_ to variable,
13459         update initializer.
13460         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13461         class.  Change all callers.
13462         (Target_x86_64::do_finalize_sections): Change handling of
13463         copy_relocs_.
13464         * Makefile.am (CCFILES): Add copy-relocs.cc.
13465         (HFILES): Add copy-relocs.h.
13466
13467         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13468
13469         * testsuite/script_test_4.sh: Permit leading zeroes.
13470
13471 2008-04-15  Ian Lance Taylor  <iant@google.com>
13472
13473         * script-sections.cc (Script_sections::create_segments): Use
13474         header_size_adjustment even when there is enough room for the
13475         headers.
13476         * testsuite/script_test_4.sh: New file.
13477         * testsuite/script_test_4.t: New file.
13478         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13479         (check_DATA): Add script_test_4.stdout.
13480         (MOSTLYCLEANFILES): Likewise.
13481         (script_test_4): New target.
13482         (script_test_4.stdout): New target.
13483         * testsuite/Makefile.in: Rebuild.
13484
13485         * sparc.cc: Add definitions for Output_data_plt_sparc class
13486         constants.
13487
13488 2008-04-14  David S. Miller  <davem@davemloft.net>
13489
13490         * sparc.cc: New file.
13491         * Makefile.am (TARGETSOURCES): Add sparc.cc
13492         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13493         * configure.tgt: Document targ_extra_size and
13494         targ_extra_big_endian.  Add entries for sparc-* and
13495         sparc64-*.
13496         * configure.ac: Handle targ_extra_size and
13497         targ_extra_big_endian.
13498         * Makefile.in: Rebuild.
13499         * configure: Likewise.
13500         * po/POTFILES.in: Likewise.
13501         * po/gold.pot: Likewise.
13502
13503 2008-04-14  Ian Lance Taylor  <iant@google.com>
13504
13505         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13506         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13507         in the name/type/flags to section mapping.  Don't call
13508         allocate_output_section.
13509         (Layout::choose_output_section): Change parameter from adjust_name
13510         to is_input_section.  Don't permit input sections after sections
13511         are attached to segments.  Don't call allocate_output_section.
13512         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13513         not write_enable_output_section.
13514         (Layout::make_output_section): Don't push to
13515         unattached_section_list_ nor call attach_to_segment.  Call
13516         attach_section_to_segment if sections are attached.
13517         (Layout::attach_sections_to_segments): New function.
13518         (Layout::attach_section_to_segment): New function.
13519         (Layout::attach_allocated_section_to_segment): Rename from
13520         attach_to_segment.  Remove flags parameter.
13521         (Layout::allocate_output_section): Remove function.
13522         (Layout::write_enable_output_section): Remove function.
13523         * layout.h (class Layout): Update for above changes.  Add new
13524         field sections_are_attached_.
13525         * output.h (Output_section::update_flags_for_input_section): New
13526         function.
13527         * output.cc (Output_section::add_input_section): Call
13528         update_flags_for_input_section.
13529         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13530
13531 2008-04-11  Cary Coutant  <ccoutant@google.com>
13532
13533         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13534         thought unnecessary.
13535         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13536
13537 2008-04-11  Ian Lance Taylor  <iant@google.com>
13538
13539         * output.h (class Output_section_data): Remove inline definition
13540         of set_addralign.
13541         * output.cc (Output_section_data::set_addralign): New function.
13542
13543 2008-04-11  Cary Coutant  <ccoutant@google.com>
13544
13545         Add support for TLS descriptors for i386 and x86_64.
13546         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13547         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13548         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13549         GOT_TYPE_TLS_DESC.
13550         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13551         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13552         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13553         relocations.
13554         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13555         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13556         Fix problem with initial-exec relocations.
13557         (Target_i386::Relocate::relocate_tls): Likewise.
13558         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13559         relaxation.
13560         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13561         support for section-plus-offset dynamic table entries.
13562         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13563         (Output_data_dynamic::Dynamic_entry): Add support for
13564         section-plus-offset dynamic table entries.
13565         (Output_data_dynamic::Classification): Likewise.
13566         (Output_data_dynamic::classification_): Renamed offset_.
13567         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13568         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13569         (Target_x86_64::make_plt_section): New function.
13570         (Target_x86_64::reserve_tlsdesc_entries): New function.
13571         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13572         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13573         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13574         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13575         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13576         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13577         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13578         add extra PLT entry for TLS descriptors.
13579         (Output_data_plt_x86_64::got_): New field.
13580         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13581         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13582         fields.
13583         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13584         descriptors.
13585         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13586         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13587         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13588         R_386_TLS_DESC_CALL relocations.
13589         (Target_x86_64::Scan::global): Likewise.
13590         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13591         for TLS descriptors.
13592         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13593         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13594         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13595         GD-to-IE relaxation.
13596         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13597         and TLS_DESCRIPTORS.
13598         * Makefile.in: Rebuild.
13599         * configure: Rebuild.
13600         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13601         (tls_test_shared2.so): New target.
13602         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13603         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13604         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13605         (tls_shared_gd_to_ie_test_LDADD): New variable.
13606         (tls_shared_gnu2_gd_to_ie_test): New target.
13607         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13608         New targets.
13609         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13610         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13611         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13612         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13613         (tls_shared_gnu2_test): New target.
13614         (tls_test_gnu2_shared.so): New target.
13615         (tls_shared_gnu2_test_SOURCES): New variable.
13616         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13617         (tls_shared_gnu2_test_LDFLAGS): New variable.
13618         (tls_shared_gnu2_test_LDADD): New variable.
13619         * testsuite/Makefile.in: Rebuild.
13620         * testsuite/Makefile.
13621
13622 2008-04-11  Ian Lance Taylor  <iant@google.com>
13623
13624         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13625         justsyms.t.
13626         * testsuite/Makefile.in: Rebuild.
13627
13628         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13629         long.
13630         * testsuite/script_test_2.cc (main): Adjust test.
13631
13632 2008-04-11  David S. Miller  <davem@davemloft.net>
13633             Ian Lance Taylor  <iant@google.com>
13634
13635         * options.h (General_options): Add entries for '-Y' and
13636         '-relax'.
13637         * options.cc (General_options:finalize): If -Y was used, add those
13638         entries to the library path instead of the default "/lib" and
13639         "/usr/lib".
13640
13641 2008-04-11  David S. Miller  <davem@davemloft.net>
13642
13643         * testsuite/justsyms.t: Start at 0x100.
13644         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13645         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13646         long.
13647         * testsuite/script_test_2.cc: Adjust string and section length
13648         checks.
13649
13650 2008-04-09  Ian Lance Taylor  <iant@google.com>
13651
13652         PR gold/5996
13653         * script-sections.cc (Sections_element::allocate_to_segment): Add
13654         orphan parameter.
13655         (Output_section_definition::allocate_to_segment): Likewise.
13656         (Orphan_output_section::allocate_to_segment): Likewise.
13657         (Script_sections::attach_sections_using_phdrs_clause): Don't
13658         propagate non-PT_LOAD segments to orphan sections.
13659         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13660         readelf rather than objdump.
13661         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13662         .interp section and PT_INTERP segment are the same size.
13663         * testsuite/Makefile.in: Rebuild.
13664
13665         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13666         aliases for symbols defined in the same object.
13667         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13668         (weak_alias_test_SOURCES): New variable.
13669         (weak_alias_test_DEPENDENCIES): New variable.
13670         (weak_alias_test_LDFLAGS): New variable.
13671         (weak_alias_test_LDADD): New variable.
13672         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13673         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13674         (weak_alias_test_3.o): New target.
13675         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13676         * testsuite/weak_alias_test_main.cc: New file.
13677         * testsuite/weak_alias_test_1.cc: New file.
13678         * testsuite/weak_alias_test_2.cc: New file.
13679         * testsuite/weak_alias_test_3.cc: New file.
13680
13681 2008-04-08  Ian Lance Taylor  <iant@google.com>
13682
13683         * options.h (class General_options): Add --noinhibit-exec option.
13684         * main.cc (main): Check --noinhibit-exec.
13685
13686         * options.h (class General_options): Define --wrap as a special
13687         option.  Add wrap_symbols_ field.
13688         (General_options::any_wrap_symbols): New function.
13689         (General_options::is_wrap_symbol): New function.
13690         * options.cc (General_options::parse_wrap): New function.
13691         (General_options::General_options): Initialize wrap_symbols_.
13692         * symtab.cc (Symbol_table::wrap_symbol): New function.
13693         (Symbol_table::add_from_object): Handle --wrap.
13694         * symtab.h (class Symbol_table): Declare wrap_symbol.
13695         * target.h (Target::wrap_char): New function.
13696         (Target::Target_info): Add wrap_char field.
13697         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13698         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13699         * testsuite/testfile.cc (Target_test::test_target_info):
13700         Likewise.
13701
13702         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13703         there is one.
13704
13705         * layout.h (class Layout): Add added_eh_frame_data_ field.
13706         * layout.cc (Layout::Layout): Initialize new field.
13707         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13708         output section until we find a section we merged successfully.
13709         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13710         that the size be non-zero.
13711
13712         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13713         qualifier.
13714
13715 2008-04-08  Craig Silverstein  <csilvers@google.com>
13716
13717         * configure.ac: Export new conditional variable HAVE_ZLIB.
13718         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13719         on HAVE_ZLIB.
13720         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13721         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13722
13723 2008-04-07  Ian Lance Taylor  <iant@google.com>
13724
13725         * version.cc (version_string): Set to "1.5".
13726
13727         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13728         Add issued_non_pic_error_ field.  Declare check_non_pic.
13729         (Target_x86_64::Scan::check_non_pic): New function.
13730         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13731         (Target_x86_64::Scan::global): Likewise.
13732
13733         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13734         addend parameter.  Change caller.  Handle merge sections.
13735         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13736         Address to Addend.  Don't add in the result of
13737         local_section_offset, pass down the addend and use the returned
13738         value.
13739         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13740         Update declarations of local_section_offset and symbol_value.
13741         * testsuite/two_file_test_1.cc (t18): New function.
13742         * testsuite/two_file_test_2.cc (f18): New function.
13743         * testsuite/two_file_test_main.cc (main): Call t18.
13744         * testsuite/two_file_test.h (t18, f18): Declare.
13745
13746         * configure.ac: Don't test for objdump, c++filt, or readelf.
13747         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13748         conditionals.
13749         (TEST_READELF): New variable.
13750         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13751         (check_PROGRAMS): Add two_file_strip_test.
13752         (two_file_strip_test): New target.
13753         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13754         (two_file_same_shared_strip_test_SOURCES): New variable.
13755         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13756         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13757         (two_file_same_shared_strip_test_LDADD): New variable.
13758         (two_file_shared_strip.so): New target.
13759         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13760         (ver_test_5.syms, ver_test_7.syms): Likewise.
13761         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13762         (strip_test_3.stdout): Use TEST_OBJDUMP.
13763         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13764
13765 2008-04-04  Cary Coutant  <ccoutant@google.com>
13766
13767         * symtab.h (Symbol::is_weak_undefined): New function.
13768         (Symbol::is_strong_undefined): New function.
13769         (Symbol::is_absolute): New function.
13770         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13771         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13772         absolute symbols.
13773         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13774         (weak_undef_test): New target.
13775         * testsuite/Makefile.in: Rebuild.
13776         * testsuite/weak_undef_file1.cc: New file.
13777         * testsuite/weak_undef_file2.cc: New file.
13778         * testsuite/weak_undef_test.cc: New file.
13779
13780 2008-04-03  Craig Silverstein  <csilvers@google.com>
13781
13782         * compressed_output.h (class Output_compressed_section): Use
13783         unsigned buffer.
13784         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13785         add zlib header.
13786         (zlib_compressed_suffix): Removed.
13787         (Output_compressed_section::set_final_data_size): Use unsigned
13788         buffers.
13789         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13790         Fix linker invocation.
13791         (flagstest_o_specialfile_and_compress_debug_sections):
13792         Likewise.
13793         * testsuite/Makefile.in: Regenerated.
13794
13795 2008-04-02  David S. Miller  <davem@davemloft.net>
13796
13797         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13798         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13799
13800 2008-04-02  Craig Silverstein  <csilvers@google.com>
13801
13802         * TODO: New file.
13803
13804 2008-04-02  Ian Lance Taylor  <iant@google.com>
13805
13806         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13807         parameters.  Update for new key type to views_.  Change all
13808         callers.
13809         (File_read::read): Adjust for byteshift in returned view.
13810         (File_read::add_view): New function, broken out of
13811         find_and_make_view.
13812         (File_read::make_view): New function, broken out of
13813         find_and_make_view.
13814         (File_read::find_or_make_view): Add offset and aligned
13815         parameters.  Rewrite accordingly.  Change all callers.
13816         (File_read::get_view): Add offset and aligned parameters.  Adjust
13817         for byteshift in return value.
13818         (File_read::get_lasting_view): Likewise.
13819         * fileread.h (class File_read): Update declarations.
13820         (class File_read::View): Add byteshift_ field.  Add byteshift to
13821         constructor.  Add byteshift method.
13822         * archive.h (Archive::clear_uncached_views): New function.
13823         (Archive::get_view): Add aligned parameter.  Change all callers.
13824         * object.h (Object::get_view): Add aligned parameter.  Change all
13825         callers.
13826         (Object::get_lasting_view): Likewise.
13827
13828         * fileread.cc (File_read::release): Don't call clear_views if
13829         there are multiple objects.
13830         * fileread.h (File_read::clear_uncached_views): New function.
13831         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13832         on the archive.
13833
13834 2008-03-31  Cary Coutant  <ccoutant@google.com>
13835
13836         Add thin archive support.
13837         * archive.cc (Archive::armagt): New const.
13838         (Archive::setup): Remove task parameter and calls to unlock.
13839         (Archive::unlock_nested_archives): New function.
13840         (Archive::read_header): Add nested_off parameter. Change
13841         all callers.
13842         (Archive::interpret_header): Likewise.
13843         (Archive::include_all_members): Change to handle thin
13844         archives.
13845         (Archive::include_member): Likewise.
13846         * archive.h (Archive::Archive): Add new parameters and
13847         initializers.
13848         (Archive::armagt): New const.
13849         (Archive::setup): Remove task parameter.
13850         (Archive::unlock_nested_archives): New function.
13851         (Archive::read_header): Add nested_off parameter.
13852         (Archive::interpret_header): Likewise.
13853         (Archive::Nested_archive_table): New typedef.
13854         (Archive::is_thin_archive_): New field.
13855         (Archive::nested_archives_): New field.
13856         (Archive::options_): New field.
13857         (Archive::dirpath_): New field.
13858         (Archive::task_): New field.
13859         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13860         for thin archives.  Pass additional parameters to
13861         Archive::Archive.  Unlock the archive file after calling
13862         Archive::setup.
13863
13864 2008-03-29  Ian Lance Taylor  <iant@google.com>
13865
13866         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13867         version symbol to be local.
13868         * testsuite/ver_test_4.sh: New file.
13869         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13870         (check_DATA): Add ver_test_4.syms.
13871         (ver_test_4.syms): New target.
13872         * testsuite/Makefile.in: Rebuild.
13873
13874         * output.cc
13875         (Output_section::Input_section_sort_entry::has_priority): New
13876         function.
13877         (Output_section::Input_section_sort_entry::match_file_name): New
13878         function.
13879         (Output_section::Input_section_sort_entry::match_section_name):
13880         Remove.
13881         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13882         Remove.
13883         (Output_section::Input_section_sort_entry::match_section_file):
13884         Remove.
13885         (Output_section::Input_section_sort_compare::operator()): Rewrite
13886         using new Input_section_sort_entry functions.  Sort crtbegin and
13887         crtend first.  Sort sections with no priority before sections with
13888         a priority.
13889         * testsuite/initpri1.c (d3): Check j != 4.
13890         (cd5): New constructor/destructor function.
13891         (main): Check j != 2.
13892
13893         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13894         new symbol when resolving, don't call set_is_default.
13895         * testsuite/ver_test_7.cc: New file.
13896         * testsuite/ver_test_7.sh: New file.
13897         * testsuite/Makefile.am (ver_test_7.so): New target.
13898         (ver_test_7.o): New target.
13899         (check_SCRIPTS): Add ver_test_7.sh.
13900         (check_DATA): Add ver_test_7.syms.
13901         (ver_test_7.syms): New target.
13902
13903 2008-03-28  Ian Lance Taylor  <iant@google.com>
13904
13905         * layout.cc (Layout::layout): If we see an input section with a
13906         name that needs sorting, set the must_sort flag for the output
13907         section.
13908         (Layout::make_output_section): If the name of the output section
13909         indicates that it might require sorting, set the may_sort flag.
13910         * output.h (Output_section::may_sort_attached_input_sections): New
13911         function.
13912         (Output_section::set_may_sort_attached_input_sections): New
13913         function.
13914         (Output_section::must_sort_attached_input_sections): New
13915         function.
13916         (Output_section::set_must_sort_attached_input_sections): New
13917         function.
13918         (class Output_section): Declare Input_section_sort_entry.  Define
13919         Input_section_sort_compare.  Declare
13920         sort_attached_input_sections.  Add new fields:
13921         may_sort_attached_input_sections_,
13922         must_sort_attached_input_sections_,
13923         attached_input_sections_are_sorted_.
13924         * output.cc (Output_section::Output_section): Initialize new
13925         fields.
13926         (Output_section::add_input_section): Add an entry to
13927         input_sections_ if may_sort or must_sort are true.
13928         (Output_section::set_final_data_size): Call
13929         sort_attached_input_sections if necessary.
13930         (Output_section::Input_section_sort_entry): Define new class.
13931         (Output_section::Input_section_sort_compare::operator()): New
13932         function.
13933         (Output_section::sort_attached_input_sections): New function.
13934         * configure.ac: Check whether the compiler supports constructor
13935         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13936         * testsuite/initpri1.c: New file.
13937         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13938         CONSTRUCTOR_PRIORITY.
13939         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13940         (initpri1_LDFLAGS): New variable.
13941         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13942
13943 2008-03-27  Ian Lance Taylor  <iant@google.com>
13944
13945         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13946         * testsuite/common_test_1.c: New file.
13947         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13948         (common_test_1_SOURCES): New variable.
13949         (common_test_1_DEPENDENCIES): New variable.
13950         (common_test_1_LDFLAGS): New variable.
13951
13952         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13953         and commons_ correctly when NAME/VERSION does not override
13954         NAME/NULL.
13955         * testsuite/ver_test_6.c: New file.
13956         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13957         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13958         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13959
13960 2008-03-26  Ian Lance Taylor  <iant@google.com>
13961
13962         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13963         of an undefined symbol from a version script.
13964         * testsuite/Makefile.am (ver_test_5.so): New target.
13965         (ver_test_5.o): New target.
13966         (check_SCRIPTS): Add ver_test_5.sh.
13967         (check_DATA): Add ver_test_5.syms.
13968         (ver_test_5.syms): New target.
13969         * testsuite/ver_test_5.cc: New file.
13970         * testsuite/ver_test_5.script: New file.
13971         * testsuite/ver_test_5.sh: New file.
13972         * Makefile.in, testsuite/Makefile.in: Rebuild.
13973
13974         PR gold/5986
13975         Fix problems building gold with gcc 4.3.0.
13976         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13977         (gold_error_at_location, gold_warning_at_location): Use it.
13978         * configure.ac: Check whether we can compile and use a template
13979         function with a printf attribute.
13980         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13981         when jumping over bytes.
13982         * object.cc: Instantiate Object::read_section_data.
13983         * debug.h: Include <cstring>
13984         * dwarf_reader.cc: Include <algorithm>
13985         * main.cc: Include <cstring>.
13986         * options.cc: Include <cstring>.
13987         * output.cc: Include <cstring>.
13988         * script.cc: Include <cstring>.
13989         * script.h: Include <string>.
13990         * symtab.cc: Include <cstring> and <algorithm>.
13991         * target-select.cc: Include <cstring>.
13992         * version.cc: Include <string>.
13993         * testsuite/testmain.cc: Include <cstdlib>.
13994         * configure, config.in: Rebuild.
13995
13996 2008-03-25  Ian Lance Taylor  <iant@google.com>
13997
13998         * options.cc: Include "../bfd/bfdver.h".
13999         (options::help): Print bug reporting address.
14000
14001         * version.cc (print_version): Adjust output for current value of
14002         BFD_VERSION_STRING.
14003
14004         * NEWS: New file.
14005
14006         * options.cc (options::help): Print list of supported targets.
14007         * target-select.h: Include <vector>.
14008         (class Target_selector): Make machine_, size_, and is_big_endian_
14009         fields const.  Add bfd_name_ and instantiated_target_ fields.
14010         (Target_selector::Target_selector): Add bfd_name parameter.
14011         (Target_selector::recognize): Make non-virtual, call
14012         do_recognize.
14013         (Target_selector::recognize_by_name): Make non-virtual, call
14014         do_recognize_by_name.
14015         (Target_selector::supported_names): New function.
14016         (Target_selector::bfd_name): New function.
14017         (Target_selector::do_instantiate_target): New pure virtual
14018         function.
14019         (Target_selector::do_recognize): New virtual function.
14020         (Target_selector::do_recognize_by_name): New virtual function.
14021         (Target_selector::instantiate_target): New private function.
14022         (supported_target_names): Declare.
14023         * target-select.cc (Target_selector::Target_selector): Update for
14024         new parameter and fields.
14025         (select_target_by_name): Check that the name matches before
14026         calling recognize_by_name.
14027         (supported_target_names): New function.
14028         * i386.cc (class Target_selector_i386): Update Target_selector
14029         constructor call.  Remove recognize and recognize_by_name.  Add
14030         do_instantiate_target.
14031         * x86_64.cc (class Target_selector_x86_64): Likewise.
14032         * testsuite/testfile.cc (class Target_selector_test): Update for
14033         changes to Target_selector.
14034
14035         * README: Rewrite, with some notes on unsupported features.
14036
14037 2008-03-24  Cary Coutant  <ccoutant@google.com>
14038
14039         * i386.cc (Target_i386::Got_type): New enum declaration.
14040         (Target_i386::Scan::local): Updated callers of Output_data_got
14041         member functions.
14042         (Target_i386::Scan::global): Likewise.
14043         (Target_i386::Relocate::relocate): Likewise.
14044         (Target_i386::Relocate::relocate_tls): Likewise.
14045         * object.h (Got_offset_list): New class.
14046         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14047         (Sized_relobj::local_got_offset): Likewise.
14048         (Sized_relobj::set_local_got_offset): Likewise.
14049         (Sized_relobj::local_has_tls_got_offset): Removed.
14050         (Sized_relobj::local_tls_got_offset): Removed.
14051         (Sized_relobj::set_local_tls_got_offset): Removed.
14052         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14053         * output.cc (Output_data_got::add_global): Added got_type parameter.
14054         (Output_data_got::add_global_with_rel): Likewise.
14055         (Output_data_got::add_global_with_rela): Likewise.
14056         (Output_data_got::add_global_pair_with_rel): New function.
14057         (Output_data_got::add_global_pair_with_rela): New function.
14058         (Output_data_got::add_local): Added got_type parameter.
14059         (Output_data_got::add_local_with_rel): Likewise.
14060         (Output_data_got::add_local_with_rela): Likewise.
14061         (Output_data_got::add_local_pair_with_rel): New function.
14062         (Output_data_got::add_local_pair_with_rela): New function.
14063         (Output_data_got::add_global_tls): Removed.
14064         (Output_data_got::add_global_tls_with_rel): Removed.
14065         (Output_data_got::add_global_tls_with_rela): Removed.
14066         (Output_data_got::add_local_tls): Removed.
14067         (Output_data_got::add_local_tls_with_rel): Removed.
14068         (Output_data_got::add_local_tls_with_rela): Removed.
14069         * output.h (Output_data_got::add_global): Added got_type parameter.
14070         (Output_data_got::add_global_with_rel): Likewise.
14071         (Output_data_got::add_global_with_rela): Likewise.
14072         (Output_data_got::add_global_pair_with_rel): New function.
14073         (Output_data_got::add_global_pair_with_rela): New function.
14074         (Output_data_got::add_local): Added got_type parameter.
14075         (Output_data_got::add_local_with_rel): Likewise.
14076         (Output_data_got::add_local_with_rela): Likewise.
14077         (Output_data_got::add_local_pair_with_rel): New function.
14078         (Output_data_got::add_local_pair_with_rela): New function.
14079         (Output_data_got::add_global_tls): Removed.
14080         (Output_data_got::add_global_tls_with_rel): Removed.
14081         (Output_data_got::add_global_tls_with_rela): Removed.
14082         (Output_data_got::add_local_tls): Removed.
14083         (Output_data_got::add_local_tls_with_rel): Removed.
14084         (Output_data_got::add_local_tls_with_rela): Removed.
14085         * resolve.cc (Symbol::override_base_with_special): Removed
14086         reference to has_got_offset_ field.
14087         * symtab.cc (Symbol::init_fields): Replaced initialization
14088         of got_offset_ with got_offsets_.  Removed initialization
14089         of has_got_offset_
14090         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14091         (Symbol::got_offset): Likewise.
14092         (Symbol::set_got_offset): Likewise.
14093         (Symbol::has_tls_got_offset): Removed.
14094         (Symbol::tls_got_offset): Removed.
14095         (Symbol::set_tls_got_offset): Removed.
14096         (Symbol::got_offset_): Removed.
14097         (Symbol::tls_mod_got_offset_): Removed.
14098         (Symbol::tls_pair_got_offset_): Removed.
14099         (Symbol::got_offsets_): New field.
14100         (Symbol::has_got_offset): Removed.
14101         (Symbol::has_tls_mod_got_offset): Removed.
14102         (Symbol::has_tls_pair_got_offset): Removed.
14103         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14104         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14105         member functions.
14106         (Target_x86_64::Scan::global): Likewise.
14107         (Target_x86_64::Relocate::relocate): Likewise.
14108         (Target_x86_64::Relocate::relocate_tls): Likewise.
14109
14110 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14111
14112         * yyscript.y: Fix spelling error in comment.
14113
14114 2008-03-24  Ian Lance Taylor  <iant@google.com>
14115
14116         * options.h (class General_options): Define build_id option.
14117         * layout.h (class Layout): Declare write_build_id, create_note,
14118         create_build_id.  Add build_id_note_ member.
14119         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14120         "libiberty.h", "md5.h", "sha1.h".
14121         (Layout::Layout): Initialize eh_frame_data_,
14122         eh_frame_hdr_section_, and build_id_note_.
14123         (Layout::finalize): Call create_build_id.
14124         (Layout::create_note): New function, broken out of
14125         Layout::create_gold_note.
14126         (Layout::create_gold_note): Call create_note.
14127         (Layout::create_build_id): New function.
14128         (Layout::write_build_id): New function.
14129         (Close_task_runner::run): Call write_build_id.
14130
14131         * x86_64.cc: Correct license to GPLv3.
14132
14133 2008-03-23  Ian Lance Taylor  <iant@google.com>
14134
14135         * options.cc: Include "demangle.h".
14136         (parse_optional_string): New function.
14137         (parse_long_option): Handle takes_optional_argument.
14138         (parse_short_option): Update dash_z initializer.  Handle
14139         takes_optional_argument.
14140         (General_options::General_options): Initialize do_demangle_.
14141         (General_options::finalize): Set do_demangle_.  Handle demangling
14142         style.
14143         * options.h (parse_optional_string): Declare.
14144         (struct One_option): Add optional_arg field.  Update constructor.
14145         Update call constructor calls.  Add takes_optional_argument
14146         function.
14147         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14148         (DEFINE_optional_string): Define.
14149         (General_options::demangle): Change from DEFINE_bool to
14150         DEFINE_optional_string.
14151         (General_options::no_demangle): New function.
14152         (General_options::do_demangle): New function.
14153         (General_options::set_do_demangle): New function.
14154         (General_options::execstack_status_): Move definition to end of
14155         class definition.
14156         (General_options::static_): Likewise.
14157         (General_options::do_demangle_): New field.
14158         * object.cc (big_endian>::get_symbol_location_info): Call
14159         Options::do_demangle, not Options::demangle.
14160         * symtab.cc (demangle): Likewise.
14161
14162 2008-03-22  Ian Lance Taylor  <iant@google.com>
14163
14164         * gold.h: Include <cstddef> and <sys/types.h>
14165         * options.h: Include <cstring>.
14166
14167 2008-03-21  Ian Lance Taylor  <iant@google.com>
14168
14169         * Added source code to GNU binutils.