gold/
[external/binutils.git] / gold / ChangeLog
1 2012-10-23  Cary Coutant  <ccoutant@google.com>
2
3         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
4         * testsuite/Makefile.in: Regenerate.
5         * testsuite/dwp_test.h: New source file.
6         * testsuite/dwp_test_1.cc: New source file.
7         * testsuite/dwp_test_1.s: New source file.
8         * testsuite/dwp_test_1.sh: New source file.
9         * testsuite/dwp_test_1b.cc: New source file.
10         * testsuite/dwp_test_1b.s: New source file.
11         * testsuite/dwp_test_2.cc: New source file.
12         * testsuite/dwp_test_2.s: New source file.
13         * testsuite/dwp_test_2.sh: New source file.
14         * testsuite/dwp_test_main.cc: New source file.
15         * testsuite/dwp_test_main.s: New source file.
16
17 2012-10-23  Cary Coutant  <ccoutant@google.com>
18
19         * dwp.h: New header file.
20         * dwp.cc: New source file.
21         * gold.h: Move shared declarations to system.h.
22         * system.h: New header file.
23         * Makefile.am: Add dwp.
24         * Makefile.in: Regenerate.
25
26 2012-10-23  Cary Coutant  <ccoutant@google.com>
27
28         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
29         Dwarf_info_reader::read_from_pointer.
30         (Dwarf_pubnames_table::read_header): Likewise.
31         (Dwarf_pubnames_table::next_name): Likewise.
32         (Dwarf_die::read_attributes): Likewise.
33         (Dwarf_die::skip_attributes): Likewise.
34         (Dwarf_info_reader::read_from_pointer): New function template.
35         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
36         (Dwarf_pubnames_table): Likewise.
37         (Dwarf_info_reader::read_from_pointer): New function template.
38         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
39         Dwarf_pubnames_table ctor.
40
41 2012-10-23  Cary Coutant  <ccoutant@google.com>
42
43         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
44         abbrev_shndx.
45         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
46         abbrev_shndx_.
47         (Dwarf_info_reader::set_abbrev_shndx): New method.
48         (Dwarf_info_reader::abbrev_shndx_): New data member.
49
50 2012-10-23  Cary Coutant  <ccoutant@google.com>
51
52         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
53         from object, not parameters.
54         (Dwarf_info_reader::parse): Likewise.
55         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
56         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
57         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
58         methods.
59
60 2012-10-23  Cary Coutant  <ccoutant@google.com>
61
62         * fileread.cc (Input_file::Input_file): New constructor.
63         * fileread.h (class Input_file): Add new constructor.
64
65 2012-10-18  Alan Modra  <amodra@gmail.com>
66
67         PR gold/14727
68         * object.cc (Relobj::is_section_name_included): Also match
69         .sdata personality section.
70
71 2012-10-18  Alan Modra  <amodra@gmail.com>
72
73         * target-reloc.h (class Default_comdat_behavior): New, package up..
74         (get_comdat_behaviour): ..this.
75         (relocate_section): Add Relocate_comdat_behavior template arg,
76         adjust code to suit.
77         * arm.cc (Target_arm::relocate_section): Adjust to suit.
78         (Target_arm::scan_reloc_section): Likewise.
79         * i386.cc (Target_i386::relocate_section): Likewise.
80         * sparc.cc (Target_sparc::relocate_section): Likewise.
81         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
82         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
83         * powerpc.cc (class Relocate_comdat_behavior): New.
84         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
85         gold::relocate_section with new template arg.
86
87 2012-10-18  Alan Modra  <amodra@gmail.com>
88
89         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
90         dynamic relocs for GOT_TPREL got entries, without symbol if
91         resolving locally.
92         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
93         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
94         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
95
96 2012-10-17  Alan Modra  <amodra@gmail.com>
97
98         PR gold/14726
99         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
100
101 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
102
103         * layout.cc (Layout::include_section): Keep sections marked
104         SHF_EXCLUDE when doing relocatable links.
105
106 2012-10-16  Alan Modra  <amodra@gmail.com>
107
108         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
109         (Target_powerpc::do_finalize_sections): Call it.
110         (Output_data_save_res): New class and supporting functions.
111         (Target_powerpc::symval_for_branch): Only look up .opd entry for
112         normal symbols defined in object files.
113
114 2012-10-12  Alan Modra  <amodra@gmail.com>
115
116         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
117         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
118         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
119         section if scan_opd_relocs not yet called.
120         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
121
122 2012-10-12  Alan Modra  <amodra@gmail.com>
123
124         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
125         add_local_ifunc_entry): Revert last change.
126         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
127
128 2012-10-05  Alan Modra  <amodra@gmail.com>
129
130         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
131         do_plt_address_for_global): New functions.
132         (Output_data_got_powerpc::do_write): Don't segfault when linking
133         statically.
134         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
135         add_local_ifunc_entry): Return true on adding entry..
136         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
137         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
138         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
139         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
140         set up symbols here.
141         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
142         syms here.  Do so even when no .iplt.  Don't segfault when linking
143         statically.
144         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
145         new variants without reloc param.
146         (Glink_sym_ent::Glink_sym_ent): Likewise.
147         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
148         reloc when refs will resolve to plt call stub.
149         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
150         R_PPC_PLTREL24 to resolve locally.
151         (Target_powerpc::Scan::global): Correct ifunc handling.
152         (Target_powerpc::Relocate::relocate): Correct local sym glink
153         lookup.  Don't destroy "value" when we have a plt call stub,
154         and when checking plt call validity.
155         (Target_powerpc::do_dynsym_value): Simplify.
156
157 2012-10-05  Alan Modra  <amodra@gmail.com>
158
159         * i386.cc (Output_data_plt_i386::address_for_global,
160         address_for_local): Add plt offset to returned value.  Adjust uses.
161         * sparc.cc (Output_data_plt_sparc::address_for_global,
162         address_for_local): Likewise.
163         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
164         address_for_local): Likewise.
165         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
166         address_for_local): Likewise.
167         * target.h (Target::plt_address_for_global, plt_address_for_local):
168         Update comment.
169         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
170         (Output_data_got::Got_entry::write): Nor here.
171         * output.h: Comment fix.
172
173 2012-10-02  Jiong Wang  <jiwang@tilera.com>
174
175         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
176         global_offset_table_ value for larget got.
177         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
178
179 2012-09-29  Alan Modra  <amodra@gmail.com>
180
181         * powerpc.cc (Target_powerpc::iplt_): New output section.
182         (Target_powerpc::iplt_section, make_iplt_section,
183         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
184         (Target_powerpc::make_plt_entry): Handle ifunc syms.
185         Target_powerpc::plt_entry_count): Count iplt entries too.
186         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
187         reloc section in constructor.  New params.
188         (Target_powerpc::make_plt_section): Create reloc section here instead.
189         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
190         functions.
191         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
192         (Output_data_glink::add_entry, find_entry): New functions to
193         deal with local syms.
194         (Glink_sym_ent): Add support for local syms.
195         (Output_data_glink::do_write): Handle ifunc plt entries.
196         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
197         (Target_powerpc::Scan::local, global): Handle ifunc syms.
198         (Target_powerpc::Relocate::relocate): Likewise.
199         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
200
201 2012-09-25  Alan Modra  <amodra@gmail.com>
202
203         * object.h (Sized_relobj_file::adjust_local_symbol,
204         do_adjust_local_symbol): New functions.
205         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
206         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
207         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
208         and irregular opd entry spacing.
209         (Powerpc_relobj::do_read_relocs): Add opd size checks.
210         (Global_symbol_visitor_opd): New functor.
211         (Target_powerpc::do_finalize_sections): Omit global symbols defined
212         on deleted opd entries.
213
214 2012-09-15  Jiong Wang  <jiwang@tilera.com>
215
216         * tilegx.cc: New file.
217         * Makefile.am (TARGETSOURCES): Add tilegx.cc
218         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
219         * configure.tgt: Add entries for tilegx*.
220         * configure.ac: Likewise.
221         * Makefile.in: Rebuild.
222         * configure: Likewise.
223         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
224         tilegx.
225
226 2012-09-13  Alan Modra  <amodra@gmail.com>
227
228         * target-reloc.h (scan_relocs): Call scan.local for relocs
229         against symbols in discarded sections.  Pass is_discarded
230         param.
231         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
232         Add is_discarded param.
233         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
234         is_discarded to flag opd entry as discarded.  Don't emit dyn
235         relocs on such entries.
236         (Target_powerpc::Scan::global): Similarly detect and handle
237         such opd entries.
238         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
239         opd_ent_.  Update all uses.
240         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
241         (Target_powerpc::relocate_section): Zero out discarded opd
242         entry relocs.
243
244 2012-09-12  Ian Lance Taylor  <iant@google.com>
245
246         PR gold/14570
247         * output.cc: Rename Output_data_got template parameter from size
248         to got_size for all functions.  Compile all variants of
249         Output_data_got.
250         (Output_data_got::Got_entry::write): Correct use of size for
251         symbol value.  Use local_is_tls rather than casting to
252         Sized_relobj_file.
253         * object.h (class Object): Add local_is_tls and do_local_is_tls.
254         (class Sized_relobj_file): Add do_local_is_tls.
255         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
256
257 2012-09-11  Alan Modra  <amodra@gmail.com>
258
259         PR gold/14566
260         * layout.cc (Layout::set_segment_offsets): When using
261         common-page-size alignment, ensure we are on a new max-page-size
262         page.
263         * output.cc (Output_segment::set_section_addresses): Use
264         abi_pagesize, not common_pagesize for relro boundary.
265         (Output_segment::set_offset): Likewise.
266
267 2012-09-11  Alan Modra  <amodra@gmail.com>
268
269         * output.h (Output_data_got::add_global_tls, add_local_tls,
270         add_local_tls_pair): New functions.
271         (Output_data_got::add_local_pair_with_rel): Remove second
272         reloc param.  Expand comment.
273         (Output_data_got::Got_entry): Rename use_plt_offset_ to
274         use_plt_or_tls_offset_, similarly for constructor param.
275         (Output_data_got::Got_entry::write): Add got_index param.
276         * output.cc (Output_data_got::add_global_tls, add_local_tls,
277         add_local_tls_pair): New functions.
278         (Output_data_got::Got_entry::write): Handle tls symbols
279         with use_plt_or_tls_offset_ set specially.
280         (Output_data_got::add_local_pair_with_rel): Only one reloc.
281         (Output_data_got::do_write): Replace iterator with index, pass
282         index to entry write function.
283         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
284         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
285         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
286         call.
287         * i386.cc (Target_i386::Scan::local): Likewise.
288         * sparc.cc (Target_sparc::Scan::local): Likewise.
289         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
290         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
291         do_tls_offset_for_global): New functions.
292         (Target_powerpc::Scan::local): Correct TLS relocations and got
293         entry values.
294         (Target_powerpc::Scan::global): Don't emit unnecessary
295         dynamic relocations on TLS GOT entries.
296
297 2012-09-10  Matthias Klose  <doko@ubuntu.com>
298
299         * config.in: Disable sanity check for kfreebsd.
300
301 2012-09-10  Sterling Augustine  <saugustine@google.com>
302
303         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
304         (Gdb_index::pubtypes_read): New parameter.
305         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
306         to calls.
307         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
308         pubtypes_object_.
309
310 2012-09-09  Alan Modra  <amodra@gmail.com>
311
312         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
313         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
314         * gc.h (gc_process_relocs): Call target gc_add_reference.
315         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
316         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
317         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
318         unnecessary cast.
319         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
320         to cater for when we don't need code offset.  Update use.
321         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
322         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
323         set_opd_valid): New functions.
324         (Target_powerpc::do_gc_add_reference): New function.
325         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
326         stashed refs.
327         (Target_powerpc::do_gc_mark_symbol): New function.
328
329 2012-09-06  Cary Coutant  <ccoutant@google.com>
330
331         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
332         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
333         (Dwarf_die::skip_attributes): Likewise.
334         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
335         * testsuite/gdb_index_test.cc (inline_func_1): New function.
336         (main): Call it.
337         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
338
339 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
340
341         * testsuite/script_test_3.t: Add .got.plt output section
342         statement.
343         * testsuite/script_test_4.t: Likewise.
344
345 2012-09-05  Alan Modra  <amodra@gmail.com>
346
347         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
348         update all uses and lose "enum" when using type.
349
350 2012-09-05  Alan Modra  <amodra@gmail.com>
351
352         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
353         * configure: Regenerate.
354         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
355         (plugin_final_layout.stdout): Likewise.
356         (memory_test): Set page sizes to 0x1000.
357         * testsuite/Makefile.in: Regenerate.
358         * testsuite/discard_locals_test.sh: Add FIXME comment.
359         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
360         * testsuite/pr14265.t: Add .got output section statement.
361         * testsuite/script_test_2.t: Likewise.
362         * testsuite/script_test_3.t: Likewise.
363         * testsuite/script_test_4.t: Likewise.
364         * testsuite/script_test_5.t: Likewise.
365         * testsuite/script_test_6.t: Likewise.
366         * testsuite/script_test_7.t: Likewise.
367         * testsuite/script_test_9.t: Likewise.
368
369 2012-09-05  Alan Modra  <amodra@gmail.com>
370
371         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
372         (Powerpc_relocate_functions::Status): New typedef.
373         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
374         (Target_powerpc::Scan::local): Handle REL64.
375         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
376         for REL32 and REL64.
377         (Target_powerpc::symval_for_branch): New function, extracted from..
378         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
379         checks.  Report overflow errors.
380
381 2012-09-05  Alan Modra  <amodra@gmail.com>
382
383         * object.h (Sized_relobj_file::emit_relocs): Delete.
384         (Sized_relobj_file::emit_relocs_reltype): Delete.
385         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
386         relocate_relocs for --emit-relocs.
387         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
388         * output.h: Update comment.
389         (Output_segment::first_section): New function.
390         (Output_segment::first_section_load_address): Use first_section.
391         * output.cc (Output_segment::first_section): New function extracted..
392         (Output_segment::first_section_load_address): ..from here.  Delete.
393         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
394         * target.h (Sized_target::relocate_for_relocatable): Likewise.
395         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
396         adjust call to target.h function.
397         * i386.cc (Target_i386): Likewise.
398         * sparc.cc (Target_sparc): Likewise.
399         * x86_64.cc (Target_x86_64): Likewise.
400         * powerpc.cc (Target_powerpc): Likewise.
401         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
402         first tls section has section symbol for optimised local dynamic
403         output relocs.
404         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
405         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
406         optimised tls code.
407         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
408         Rename to relocate_relocs.  Update error message.
409
410 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
411
412         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
413         --just-symbols.
414
415 2012-08-31  Alan Modra  <amodra@gmail.com>
416
417         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
418         (Powerpc_relobj::toc_base_offset): New stub function.
419         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
420         got_mod_index_offset to tlsld_got_offset.  Update all refs.
421         (Target_powerpc::Relocate::enum skip_tls): New.
422         (Target_powerpc::call_tls_get_addr_): New var.
423         (Target_powerpc::is_branch_reloc): Move to file scope.
424         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
425         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
426         New functions.
427         (Target_powerpc::enum Got_type): Delete old values, add new ones.
428         (powerpc_info): Correct common_pagesize for ppc64.
429         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
430         (Powerpc_relocate_functions): Add overflow check enums and functions.
431         Add non-shift version of rela, rela_ua.  Delete all rel public
432         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
433         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
434         addr16_ha3, addr14 functions.
435         (Output_data_got_powerpc::add_constant_pair): New function.
436         (Output_data_got_powerpc::got_base_offset): Likewise.
437         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
438         (instruction constants): Sort, add some more.
439         (Output_data_glink::do_write): Add and use Address typedef.  Use
440         object->toc_base_offset() stub for 64-bit.
441         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
442         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
443         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
444         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
445         Always treat .opd relocs as against locally defined symbol.
446         Correct condition for RELATIVE relocs.
447         (Target_powerpc::do_finalize_sections): Test for NULL sections.
448         (Target_powerpc::Relocate::relocate): Use plt call stub as value
449         for 32-bit syms with a plt entry.  Correct ppc64 toc base
450         calculations.  Handle TLS relocs, and more.  Add overflow
451         checking and adjust for Powerpc_relocate_functions changes.
452         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
453         Reinstate --emit-relocs code with FIXME.
454
455 2012-08-30  Alan Modra  <amodra@gmail.com>
456
457         * layout.cc (Layout::set_segment_offsets): Set p_align to
458         abi_pagesize, not common_pagesize.
459         (Layout::relaxation_loop_body): Similarly use abi_pagesize
460         to determine whether file header can go in segment.
461
462 2012-08-30  Alan Modra  <amodra@gmail.com>
463
464         * output.h (Output_reloc::Output_reloc <output section>): Add
465         is_relative param.  Adjust calls.
466         (Output_reloc::add_output_section_relative): New functions.
467         * output.cc (Output_reloc::Output_reloc <output section>): Handle
468         is_relative.
469         (Output_reloc::symbol_value): Handle SECTION_CODE.
470
471 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
472
473         * gold.cc (queue_middle_tasks): Call layout again when unique
474         segments for sections is desired.
475         * layout.cc (Layout::Layout): Initialize new members.
476         (Layout::get_output_section_flags): New function.
477         (Layout::choose_output_section): Call get_output_section_flags.
478         (Layout::layout): Make output section for mapping to a unique segment.
479         (Layout::insert_section_segment_map): New function.
480         (Layout::attach_allocated_section_to_segment): Make unique segment for
481         output sections marked so.
482         (Layout::segment_precedes): Check for unique segments when sorting.
483         * layout.h (Layout::Unique_segment_info): New struct.
484         (Layout::Section_segment_map): New typedef.
485         (Layout::insert_section_segment_map): New function.
486         (Layout::get_output_section_flags): New function.
487         (Layout::is_unique_segment_for_sections_specified): New function.
488         (Layout::set_unique_segment_for_sections_specified): New function.
489         (Layout::unique_segment_for_sections_specified_): New member.
490         (Layout::section_segment_map_): New member.
491         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
492         Rename is_gc_pass_one to is_pass_one.
493         Rename is_gc_pass_two to is_pass_two.
494         Rename is_gc_or_icf to is_two_pass.
495         Check for which pass based on whether symbols data is present.
496         Make it two pass when unique segments for sections is desired.
497         * output.cc (Output_section::Output_section): Initialize new
498         members.
499         * output.h (Output_section::is_unique_segment): New function.
500         (Output_section::set_is_unique_segment): New function.
501         (Output_section::is_unique_segment_): New member.
502         (Output_section::extra_segment_flags): New function.
503         (Output_section::set_extra_segment_flags): New function.
504         (Output_section::extra_segment_flags_): New member.
505         (Output_section::segment_alignment): New function.
506         (Output_section::set_segment_alignment): New function.
507         (Output_section::segment_alignment_): New member.
508         (Output_segment::Output_segment): Initialize is_unique_segment_.
509         (Output_segment::is_unique_segment): New function.
510         (Output_segment::set_is_unique_segment): New function.
511         (Output_segment::is_unique_segment_): New member.
512         * plugin.cc (allow_unique_segment_for_sections): New function.
513         (unique_segment_for_sections): New function.
514         (Plugin::load): Add new functions to transfer vector.
515         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
516         * Makefile.in: Regenerate.
517         * testsuite/plugin_final_layout.sh: Check if unique segment
518         functionality works.
519         * testsuite/plugin_section_order.c (onload): Check if new interfaces
520         are available.
521         (allow_unique_segment_for_sections): New global.
522         (unique_segment_for_sections): New global.
523         (claim_file_hook): Call allow_unique_segment_for_sections.
524         (all_symbols_read_hook): Call unique_segment_for_sections.
525
526 2012-08-22  Cary Coutant  <ccoutant@google.com>
527
528         * layout.cc (Layout::include_section): Don't assert on GROUP
529         sections with --emit-relocs.
530
531 2012-08-21  Cary Coutant  <ccoutant@google.com>
532
533         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
534         if --export-dynamic-symbol names an undef symbol.
535
536 2012-08-18  Alan Modra  <amodra@gmail.com>
537
538         * powerpc.cc: Formatting and white space.
539         (Powerpc_relobj): Rename got2_section_ to special_.
540         Add opd_ent_shndx_ and opd_ent_off_ vectors.
541         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
542         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
543         (Target_powerpc): Add Address typedef and invalid_address.  Use
544         throughout.
545         (Target_powerpc::is_branch_reloc): New function.
546         (Powerpc_relocate_functions): Add Address typedef, use throughout.
547         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
548         for dst_mask, value and addend.
549         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
550         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
551         (Output_data_glink::do_write): Correct toc base.  Don't try to use
552         uint16_t for 24-bit offset.  Use get_output_section_offset and
553         check return.
554         (Target_powerpc::Scan::local): Handle more relocs.
555         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
556         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
557         Plug in toc restoring insn after plt calls.  Translate branches
558         to function descriptor symbols to corresponding entry point.
559         (Target_powerpc::relocate_for_relocatable): Check return from
560         get_output_section_offset.
561         * symtab.h: Comment typo.
562
563 2012-08-14  Ian Lance Taylor  <iant@google.com>
564
565         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
566         unsupported_relocal_local to call unsupported_reloc_global.
567
568 2012-08-14  Nick Clifton  <nickc@redhat.com>
569
570         PR ld/14265
571         * script-sections.cc (Sections_element::output_section_name): Add
572         keep return parameter.
573         (Output_section_element::match_name): Add keep return parameter.
574         Return the value of the keep_ member.
575         * script-sections.h (class Output_section): Update
576         output_section_name prototype.
577         * layout.cc (Layout::keep_input_section): New public member
578         function.
579         (Layout::choose_output_section): Pass keep parameter to
580         output_section_name.
581         * layout.h (class Layout): Add keep_input_section.
582         * object.cc (Sized_relobj_file::do_layout): Check for kept input
583         sections.
584         * testsuite/Makefile.am: Add a test.
585         * testsuite/Makefile.in: Regenerate.
586         * testsuite/pr14265.c: Source file for the test.
587         * testsuite/pr14265.t: Linker script for the test.
588         * testsuite/pr14265.sh: Shell script for the test.
589
590 2012-08-14  Alan Modra  <amodra@gmail.com>
591
592         * target.h (Target::output_section_name): New function.
593         (Target::do_output_section_name): New function.
594         * layout.cc (Layout::choose_output_section): Call the above.
595         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
596
597 2012-08-14  Alan Modra  <amodra@gmail.com>
598
599         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
600         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
601         for replace_constant call.
602         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
603         (Output_data_glink::do_print_to_mapfile): New function.
604         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
605         (Target_powerpc::Relocate::relocate): Likewise.
606
607 2012-08-14  Alan Modra  <amodra@gmail.com>
608
609         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
610         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
611         (Output_data_glink::add_entry,find_entry): Remove shndx param.
612         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
613         all references to shndx_.  Handle special case for R_PPC_PLTREL24
614         here.
615         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
616         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
617         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
618         here.
619         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
620         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
621
622 2012-08-12  Alan Modra  <amodra@gmail.com>
623
624         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
625         (glink insn constants): Use uint32_t.
626         (Output_data_glink::add_entry): Use insert, not [] operator.
627
628 2012-08-11  Alan Modra  <amodra@gmail.com>
629
630         * object.h (Sized_relobj_file::find_shdr): New function.
631         (Sized_relobj_file::find_special_sections): New function.
632         * object.cc (Sized_relobj_file::find_shdr): New function.
633         (Sized_relobj_file::find_eh_frame): Use find_shdr.
634         (Sized_relobj_file::find_special_sections): New function, split out..
635         (Sized_relobj_file::do_read_symbols): ..from here.
636         * output.h (Output_data_got::replace_constant): New function.
637         (Output_data_got::num_entries): New function.
638         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
639         (Output_data_got::got_offset): Protected rather than private.
640         (Output_data_got::replace_got_entry): New function.
641         * output.cc (Output_data_got::replace_got_entry): New function.
642         * powerpc.cc (class Powerpc_relobj): New.
643         (class Powerpc_relocate_functions): Delete all psymval variants or
644         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
645         Implement _ha functions using corresponding _hi function.
646         (Powerpc_relobj::find_special_sections): New function.
647         (Target_powerpc::do_make_elf_object): New function.
648         (class Output_data_got_powerpc): New.
649         (class Output_data_glink): New.
650         (class Powerpc_scan_relocatable_reloc): New.
651         Many more changes througout file.
652
653 2012-08-09  Nick Clifton  <nickc@redhat.com>
654
655         * po/vi.po: Updated Vietnamese translation.
656
657 2012-08-07  Ian Lance Taylor  <iant@google.com>
658
659         * layout.cc (Layout::add_target_dynamic_tags): If
660         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
661         plt_rel.
662
663 2012-07-30  Nick Clifton  <nickc@redhat.com>
664
665         * po/gold.pot: Updated template.
666         * po/es.po: Updated Spanish translation.
667
668 2012-07-18  Cary Coutant  <ccoutant@google.com>
669
670         PR gold/14344
671         * configure.ac: Add check for -gpubnames support.
672         * configure: Regenerate.
673         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
674         support; force -gno-pubnames.
675         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
676         support.
677         (gdb_index_test_4): New test.
678         * testsuite/Makefile.in: Regenerate.
679         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
680         * testsuite/gdb_index_test_2.sh: Likewise.
681         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
682         * testsuite/gdb_index_test_4.sh: New script.
683         * testsuite/gdb_index_test_comm.sh: New script with common code;
684         don't look for space after colon.
685
686 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
687
688         * gold.cc (queue_middle_tasks): Update function order only after
689         deferred objects due to plugins are processed.
690
691 2012-07-11  Ian Lance Taylor  <iant@google.com>
692
693         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
694         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
695         (Target_arm::scan_reloc_for_stub): Likewise.
696         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
697         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
698         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
699         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
700         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
701
702 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
703             Ian Lance Taylor  <iant@google.com>
704
705         PR gold/14309
706         * configure.ac: Test whether std::tr1::hash<off_t> works.
707         * gold.h: Add a specialization for std::tr1::hash<off_t> if
708         needed.
709         * output.h (class Output_fill): Add virtual destructor.
710         * configure, config.in: Rebuild.
711
712 2012-06-22  Roland McGrath  <mcgrathr@google.com>
713
714         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
715
716 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
717
718         * plugin.cc (Plugin::load): Handle position independent executables.
719
720 2012-06-06  Cary Coutant  <ccoutant@google.com>
721
722         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
723         add .debug_macro.
724         (lines_only_debug_sections): Likewise.
725         (gdb_fast_lookup_sections): New static array.
726         (is_gdb_debug_section): Rename formal parameter.
727         (is_lines_only_debug_section): Likewise.
728         (is_gdb_fast_lookup_section): New function.
729         (Layout::include_section): Check for ".zdebug_" prefix; pass
730         section name suffix to is_gdb_debug_section, et al.; check for
731         fast-lookup sections when building .gdb_index.
732         * options.h (--strip-debug-gdb): Update GDB version number.
733
734 2012-06-06  Cary Coutant  <ccoutant@google.com>
735
736         * configure.ac: Add check for fallocate.
737         * configure: Regenerate.
738         * config.in: Regenerate.
739
740         * options.h (class General_options): Add --mmap-output-file and
741         --posix-fallocate options.
742         * output.cc: (posix_fallocate): Remove; replace with...
743         (gold_fallocate): New function.
744         (Output_file::map_no_anonymous): Call gold_fallocate.
745         (Output_file::map): Check --mmap-output-file option.
746
747 2012-06-05  Jing Yu  <jingyu@google.com>
748
749         * gold.h (textdomain): Add do {} to empty while(0).
750         (bindtextdomain): Likewise.
751
752 2012-06-04  Cary Coutant  <ccoutant@google.com>
753
754         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
755         has_dynsym_index.
756
757 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
758
759         * symtab.cc (Symbol_table::define_special_symbol):
760         Initialize *poldsym to prevent uninitialized variable errors.
761
762 2012-05-23  Cary Coutant  <ccoutant@google.com>
763
764         * layout.cc (Layout::section_name_mapping): Add rules to handle
765         exact match on .data.rel.ro.local or .data.rel.ro.
766         (Layout::output_section_name): Check for exact matches.
767
768 2012-05-23  Cary Coutant  <ccoutant@google.com>
769
770         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
771         more carefully.
772
773 2012-05-22  Cary Coutant  <ccoutant@google.com>
774
775         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
776         object before exporting symbol.
777
778 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
779
780         * testsuite/tls_test.cc: Include "config.h" first.
781         * testsuite/tls_test_c.c: Likewise.
782
783 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
784             Nick Clifton  <nickc@redhat.com>
785
786         PR 14072
787         * configure.in: Add check that sysdep.h has been included before
788         any system header files.
789         * configure: Regenerate.
790         * config.in: Regenerate.
791
792 2012-05-14  Cary Coutant  <ccoutant@google.com>
793
794         * layout.cc (Layout::make_output_section): Mark .tdata section
795         as RELRO.
796         * testsuite/relro_test.cc: Add a TLS variable.
797
798 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
799
800         PR gold/14091
801         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
802         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
803         R_X86_64_64.
804
805 2012-05-08  Cary Coutant  <ccoutant@google.com>
806
807         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
808         (lines_only_debug_sections): Likewise.
809
810 2012-05-02  Roland McGrath  <mcgrathr@google.com>
811
812         * nacl.cc: New file.
813         * nacl.h: New file.
814         * Makefile.am (CCFILES, HFILES): Add them.
815         * Makefile.in: Regenerate.
816         * i386.cc (Output_data_plt_i386_nacl): New class.
817         (Output_data_plt_i386_nacl_exec): New class.
818         (Output_data_plt_i386_nacl_dyn): New class.
819         (Target_i386_nacl): New class.
820         (Target_selector_i386_nacl): New class.
821         (target_selector_i386): Use it instead of Target_selector_i386.
822         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
823         (Target_x86_64_nacl): New class.
824         (Target_selector_x86_64_nacl): New class.
825         (target_selector_x86_64, target_selector_x32): Use it instead of
826         Target_selector_x86_64.
827         * arm.cc (Output_data_plt_arm_nacl): New class.
828         (Target_arm_nacl): New class.
829         (Target_selector_arm_nacl): New class.
830         (target_selector_arm, target_selector_armbe): Use it instead of
831         Target_selector_arm.
832
833         * target-select.cc (select_target): Take new Input_file* and off_t
834         arguments, pass them on to recognize method of selector.
835         * object.cc (make_elf_sized_object): Update caller.
836         * parameters.cc (parameters_force_valid_target): Likewise.
837         * incremental.cc (make_sized_incremental_binary): Likewise.
838         * target-select.h: Update decl.
839         (Target_selector::recognize): Take new Input_file* argument,
840         pass it on to do_recognize.
841         (Target_selector::do_recognize): Take new Input_file* argument.
842         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
843         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
844         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
845         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
846
847         * target.h (Target::Target_info): New members isolate_execinstr
848         and rosegment_gap.
849         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
850         * arm.cc (Target_arm::arm_info): Update initializer.
851         * i386.cc (Target_i386::i386_info): Likewise.
852         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
853         * sparc.cc (Target_sparc::sparc_info): Likewise.
854         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
855         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
856         * layout.cc (Layout::attach_allocated_section_to_segment):
857         Take new const Target* argument.  If target->isolate_execinstr(), act
858         like --rosegment.
859         (Layout::find_first_load_seg): Take new const Target* argument;
860         if target->isolate_execinstr(), reject PF_X segments.
861         (Layout::relaxation_loop_body): Update caller.
862         (Layout::set_segment_offsets): If target->isolate_execinstr(),
863         reset file offset to zero when we hit LOAD_SEG, and then do a second
864         loop over the segments before LOAD_SEG to reassign offsets after
865         addresses have been determined.  Handle target->rosegment_gap().
866         (Layout::attach_section_to_segment): Take new const Target* argument;
867         pass it to attach_allocated_section_to_segment.
868         (Layout::make_output_section): Update caller.
869         (Layout::attach_sections_to_segments): Take new const Target* argument;
870         pass it to attach_section_to_segment.
871         * gold.cc (queue_middle_tasks): Update caller.
872         * layout.h (Layout): Update method decls with new arguments.
873
874         * arm.cc (Target_arm::Target_arm): Take optional argument for the
875         Target_info pointer to use.
876         (Target_arm::do_make_data_plt): New virtual method.
877         (Target_arm::make_data_plt): New method that calls it.
878         (Target_arm::make_plt_entry): Use it.
879         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
880         for the section alignment.
881         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
882         method.
883         (Output_data_plt_arm::first_plt_entry_offset): Call it.
884         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
885         method.
886         (Output_data_plt_arm::get_plt_entry_size): Call it.
887         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
888         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
889         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
890         method.
891         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
892         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
893         method instead of sizeof(plt_entry).
894         (Output_data_plt_arm::add_entry): Likewise.
895         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
896         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
897         than static method.
898         (Target_arm::plt_entry_size): Likewise.
899         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
900         Move to ...
901         (Output_data_plt_arm_standard): ... here, new class.
902         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
903         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
904         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
905
906         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
907         Take additional argument for the PLT entry size.
908         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
909         Use get_plt_entry_size method rather than plt_entry_size variable.
910         (Output_data_plt_x86_64::reserve_slot): Likewise.
911         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
912         (Output_data_plt_x86_64::add_entry): Likewise.
913         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
914         (Output_data_plt_x86_64::address_for_global): Likewise.
915         (Output_data_plt_x86_64::address_for_local): Likewise.
916         (Output_data_plt_x86_64::set_final_data_size): Likewise.
917         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
918         Make method non-static.
919         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
920         method.
921         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
922         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
923         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
924         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
925         virtual method.
926         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
927         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
928         virtual method.
929         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
930         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
931         virtual method.
932         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
933         (Output_data_plt_x86_64::plt_entry_size)
934         (Output_data_plt_x86_64::first_plt_entry)
935         (Output_data_plt_x86_64::plt_entry)
936         (Output_data_plt_x86_64::tlsdesc_plt_entry)
937         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
938         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
939         (Output_data_plt_x86_64_standard): ... here, new class.
940         (Target_x86_64::Target_x86_64): Take optional argument for the
941         Target_info pointer to use.
942         (Target_x86_64::do_make_data_plt): New virtual method.
943         (Target_x86_64::make_data_plt): New method to call it.
944         (Target_x86_64::init_got_plt_for_update): Use that.
945         Call this->plt_->add_eh_frame method here.
946         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
947         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
948         rather than static method.
949         (Target_x86_64::plt_entry_size): Likewise.
950         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
951         rather than plt_entry_size variable.  Move guts of PLT filling to...
952         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
953         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
954         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
955
956         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
957         additional argument for the section alignment.
958         Don't do add_eh_frame_for_plt here.
959         (Output_data_plt_i386::first_plt_entry_offset): Make the method
960         non-static.  Use get_plt_entry_size method rather than plt_entry_size
961         variable.
962         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
963         method.
964         (Output_data_plt_i386::get_plt_entry_size): Call it.
965         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
966         (Output_data_plt_i386::add_eh_frame): New method to call it.
967         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
968         method.
969         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
970         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
971         method.
972         (Output_data_plt_i386::fill_plt_entry): New method to call it.
973         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
974         method instead of plt_entry_size.
975         (Output_data_plt_i386::plt_entry_size)
976         (Output_data_plt_i386::plt_eh_frame_fde_size)
977         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
978         (Output_data_plt_i386_standard): ... here, new class.
979         (Output_data_plt_i386_exec): New class.
980         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
981         (Output_data_plt_i386_exec::first_plt_entry): ... here.
982         (Output_data_plt_i386::exec_plt_entry): Move to ...
983         (Output_data_plt_i386_exec::plt_entry): ... here.
984         (Output_data_plt_i386_dyn): New class.
985         (Output_data_plt_i386::first_plt_entry): Move to ...
986         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
987         (Output_data_plt_i386::dyn_plt_entry): Move to ...
988         (Output_data_plt_i386_dyn::plt_entry): ... here.
989         (Target_i386::Target_i386): Take optional argument for the Target_info
990         pointer to use.
991         (Target_i386::do_make_data_plt): New virtual method.
992         (Target_i386::make_data_plt): New method to call it.
993         (Target_i386::make_plt_section): Use that.
994         Call this->plt_->add_eh_frame method here.
995         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
996         rather than plt_entry_size variable.
997         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
998         (Output_data_plt_i386::address_for_local): Likewise.
999         (Output_data_plt_i386::do_write): Likewise.
1000         Move guts of PLT filling to...
1001         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1002         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1003         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1004         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1005
1006 2012-05-01  Cary Coutant  <ccoutant@google.com>
1007
1008         * dwarf_reader.cc (Dwarf_die::read_attributes)
1009         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1010         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1011         * reduced_debug_output.cc
1012         (Output_reduced_debug_info_section::get_die_end): Remove
1013         DW_FORM_GNU_ref_index.  Add default case.
1014
1015 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1016
1017         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1018         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1019         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1020         DW_AT_high_pc as offset from DW_AT_low_pc.
1021
1022         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1023         * testsuite/Makefile.in: Regenerate.
1024         * testsuite/gdb_index_test_3.c: New test source file.
1025         * testsuite/gdb_index_test_3.sh: New test source file.
1026
1027 2012-04-25  Ian Lance Taylor  <iant@google.com>
1028
1029         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1030         pointer.
1031         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1032         as a class, not a struct.
1033         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1034         (Target_arm::apply_cortex_a8_workaround): Likewise.
1035         * gc.h: Declare Reloc_types as a struct, not a class.
1036         * object.h: Declare Symbols_data as a struct.
1037         * reloc.h: Declare Read_relocs_data as a struct.
1038         * target.h: Declare Relocate_info as a struct.
1039
1040 2012-04-24  David S. Miller  <davem@davemloft.net>
1041
1042         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1043         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1044         and R_SPARC_WPLT30.
1045
1046 2012-04-24  Cary Coutant  <ccoutant@google.com>
1047
1048         * incremental-dump.cc (find_input_containing_global): Replace
1049         magic number with symbolic constant.
1050         (dump_incremental_inputs): Update version number.
1051         * incremental.cc (Output_section_incremental_inputs): Update version
1052         number; import symbolic constants from Incremental_inputs_reader.
1053         (Incremental_inputs::create_data_sections): Align relocations
1054         section correctly for 64-bit targets.
1055         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1056         constants; add padding.
1057         (Output_section_incremental_inputs::write_header): Add assert for
1058         header_size.
1059         (Output_section_incremental_inputs::write_input_files): Add assert
1060         for input_entry_size.
1061         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1062         add assert for object_info_size, input_section_entry_size,
1063         global_sym_entry_size.
1064         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1065         for data structure sizes; use them.
1066         (Incremental_input_entry_reader): Import symbolic constants from
1067         Incremental_inputs_reader; use them.
1068
1069 2012-04-23  David S. Miller  <davem@davemloft.net>
1070
1071         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1072         and elf_flags_set_.
1073         (Target_sparc::Target_sparc): Initialize new fields.
1074         (Target_sparc::do_make_elf_object): New function.
1075         (Target_sparc::do_adjust_elf_header): New function.
1076
1077 2012-04-23  Cary Coutant  <ccoutant@google.com>
1078
1079         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1080         CU range table of gdb index.
1081
1082 2012-04-20  David S. Miller  <davem@davemloft.net>
1083
1084         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1085         instead of false.
1086
1087 2012-04-16  David S. Miller  <davem@davemloft.net>
1088
1089         * sparc.cc (Target_sparc::got_address): New function.
1090         (Sparc_relocate_functions::gdop_hix22): New function.
1091         (Sparc_relocate_functions::gdop_lox10): New function.
1092         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1093         relocs.
1094         (Target_sparc::Scan::local): Likewise if the global symbol is not
1095         preemptible and is not IFUNC.
1096         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1097         transformations for local and non-preemptible non-IFUNC global
1098         symbols.
1099
1100         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1101         writing out 64-bit part of ranges.
1102
1103         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1104         -fpic and -fpie respectively.
1105         * Makefile.in: Regenerate.
1106
1107         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1108         (Target_sparc::Target_sparc): Initialize new field.
1109         (Target_sparc::do_plt_section_for_global): New function.
1110         (Target_sparc::do_plt_section_for_local): New function.
1111         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1112         (Target_sparc::make_plt_section): New function, broken out of
1113         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1114         (Target_sparc::make_plt_entry): Call make_plt_section.
1115         (Target_sparc::make_local_ifunc_plt_entry): New function.
1116         (Target_sparc::rela_ifunc_section): New function.
1117         (Target_sparc::plt_section): Remove const.
1118         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1119         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1120         and ifunc_count_ fields.
1121         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1122         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1123         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1124         (Output_data_plt_sparc::rela_ifunc): New function.
1125         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1126         (Output_data_plt_sparc::has_ifunc_section): New function.
1127         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1128         (Output_data_plt_sparc::address_for_global): New function.
1129         (Output_data_plt_sparc::address_for_local): New function.
1130         (Output_data_plt_sparc::plt_index_to_offset): New function.
1131         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1132         and entry_count.
1133         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1134         entry_count.
1135         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1136         R_SPARC_JMP_IREL to switch.
1137         (Target_sparc::Scan::check_non_pic): Likewise.
1138         (Target_sparc::Scan::local): Handle IFUNC symbols.
1139         (Target_sparc::Scan::local): Likewise.
1140         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1141         and plt_address_for_local.
1142         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1143         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1144
1145         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1146         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1147         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1148         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1149         global relocs too.
1150         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1151         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1152         calls.
1153         * sparc.cc (Target_sparc::Scan::global): Likewise.
1154         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1155
1156 2012-04-16  Cary Coutant  <ccoutant@google.com>
1157
1158         * archive.cc (Library_base::should_include_member): Check for
1159         --export-dynamic-symbol.
1160         * options.h (class General_options): Add --export-dynamic-symbol.
1161         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1162         --export-dynamic-symbol.
1163         (Symbol_table::gc_mark_undef_symbols): Likewise.
1164         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1165
1166 2012-04-12  David S. Miller  <davem@davemloft.net>
1167
1168         * sparc.cc (Reloc::wdisp10): New relocation method.
1169         (Reloc::h34): Likewise.
1170         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1171         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1172         R_SPARC_WDISP10.
1173         (Target_sparc::Scan::local): Likewise.
1174         (Target_sparc::Scan::global): Likewise.
1175         (Target_sparc::Relocate::relocate): Likewise.
1176
1177 2012-04-09  Cary Coutant  <ccoutant@google.com>
1178
1179         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1180         low_pc == 0.
1181
1182 2012-04-06  Ian Lance Taylor  <iant@google.com>
1183
1184         * timer.cc: #include <unistd.h>.
1185
1186 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1187
1188         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1189         * config.in: Regenerate.
1190         * configure: Regenerate.
1191
1192 2012-04-05  Nick Clifton  <nickc@redhat.com>
1193
1194         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1195         (AM_LC_MESSAGES): Add.
1196         * aclocal.m4: Regenerate.
1197         * config.in: Regenerate.
1198         * configure: Regenerate.
1199
1200 2012-03-21  Cary Coutant  <ccoutant@google.com>
1201
1202         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1203         * Makefile.in: Regenerate.
1204         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1205         (Sized_elf_reloc_mapper::symbol_section): New function.
1206         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1207         (make_elf_reloc_mapper): New function.
1208         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1209         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1210         (Dwarf_abbrev_table::do_get_abbrev): New function.
1211         (Dwarf_ranges_table::read_ranges_table): New function.
1212         (Dwarf_ranges_table::read_range_list): New function.
1213         (Dwarf_pubnames_table::read_section): New function.
1214         (Dwarf_pubnames_table::read_header): New function.
1215         (Dwarf_pubnames_table::next_name): New function.
1216         (Dwarf_die::Dwarf_die): New function.
1217         (Dwarf_die::read_attributes): New function.
1218         (Dwarf_die::skip_attributes): New function.
1219         (Dwarf_die::set_name): New function.
1220         (Dwarf_die::set_linkage_name): New function.
1221         (Dwarf_die::attribute): New function.
1222         (Dwarf_die::string_attribute): New function.
1223         (Dwarf_die::int_attribute): New function.
1224         (Dwarf_die::uint_attribute): New function.
1225         (Dwarf_die::ref_attribute): New function.
1226         (Dwarf_die::child_offset): New function.
1227         (Dwarf_die::sibling_offset): New function.
1228         (Dwarf_info_reader::check_buffer): New function.
1229         (Dwarf_info_reader::parse): New function.
1230         (Dwarf_info_reader::do_parse): New function.
1231         (Dwarf_info_reader::do_read_string_table): New function.
1232         (Dwarf_info_reader::lookup_reloc): New function.
1233         (Dwarf_info_reader::get_string): New function.
1234         (Dwarf_info_reader::visit_compilation_unit): New function.
1235         (Dwarf_info_reader::visit_type_unit): New function.
1236         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1237         Sized_elf_reloc_mapper.
1238         (Sized_dwarf_line_info::symbol_section): Remove function.
1239         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1240         (Sized_dwarf_line_info::read_line_mappings): Remove object
1241         parameter, adjust callers.
1242         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1243         * dwarf_reader.h: Include <sys/types.h>.
1244         (class Track_relocs): Remove forward declaration.
1245         (class Elf_reloc_mapper): New class.
1246         (class Sized_elf_reloc_mapper): New class.
1247         (class Dwarf_abbrev_table): New class.
1248         (class Dwarf_range_list): New class.
1249         (class Dwarf_ranges_table): New class.
1250         (class Dwarf_pubnames_table): New class.
1251         (class Dwarf_die): New class.
1252         (class Dwarf_info_reader): New class.
1253         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1254         (Sized_dwarf_line_info::symbol_section): Remove member function.
1255         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1256         base class.
1257         * gdb-index.cc: New source file.
1258         * gdb-index.h: New source file.
1259         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1260         and .debug_types sections, call Layout::add_to_gdb_index.
1261         (Sized_relobj_incr::do_section_name): Implement.
1262         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1263         return type; Implement.
1264         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1265         return type.
1266         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1267         parameter list and return type.
1268         (Sized_incr_dynobj::do_section_contents): Likewise.
1269         * layout.cc: Include gdb-index.h.
1270         (Layout::Layout): Initialize gdb_index_data_.
1271         (Layout::init_fixed_output_section): Check for .gdb_index section.
1272         (Layout::add_to_gdb_index): New function. Instantiate.
1273         * layout.h: Add forward declaration for class Gdb_index.
1274         (Layout::add_to_gdb_index): New member function.
1275         (Layout::gdb_index_data_): New data member.
1276         * main.cc: Include gdb-index.h.
1277         (main): Print statistics for gdb index.
1278         * object.cc (Object::section_contents): Move code into
1279         do_section_contents.
1280         (need_decompressed_section): Check for sections needed when building
1281         gdb index.
1282         (build_compressed_section_map): Likewise.
1283         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1284         gdb index.
1285         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1286         sections; call Layout::add_to_gdb_index.
1287         (Sized_relobj_file::do_decompressed_section_contents): Call
1288         do_section_contents directly.
1289         * object.h (Object::do_section_contents): Adjust parameter list and
1290         return type.
1291         (Object::do_decompressed_section_contents): Call do_section_contents
1292         directly.
1293         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1294         return type.
1295         * options.h (class General_options): Add --gdb-index option.
1296         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1297         list and return type.
1298         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1299         * reloc.h (Track_relocs::checkpoint): New function.
1300         (Track_relocs::reset): New function.
1301
1302         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1303         New test cases.
1304         * testsuite/Makefile.in: Regenerate.
1305         * testsuite/gdb_index_test.cc: New test source file.
1306         * testsuite/gdb_index_test_1.sh: New test source file.
1307         * testsuite/gdb_index_test_2.sh: New test source file.
1308
1309 2012-03-19  Doug Kwan  <dougkwan@google.com>
1310
1311         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1312         (Target_arm::do_finalize_sections): Remove code which defines
1313         __exidx_start and __exidx_end.  Make symbol table parameter
1314         anonymous as it is not used.
1315         * gold.cc (queue_middle_tasks): Call target hook to define any
1316         target-specific symbols.
1317         * target.h (Target::define_standard_symbols): New method.
1318         (Target::do_define_standard_symbols): Same.
1319         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1320         * testsuite/Makefile.in: Regenerate.
1321         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1322         and __exidx_end.
1323         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1324         relocations are generated for __exidx_start and __exidx_end.
1325
1326 2012-03-16  Doug Kwan  <dougkwan@google.com>
1327
1328         * testsuite/Makefile.am: Disable test initpri3b.
1329         * testsuite/Makefile.in: Regenerate.
1330
1331 2012-03-15  Doug Kwan  <dougkwan@google.com>
1332
1333         * arm.cc (Target_arm::got_section): Make .got section read-only
1334         if -z now is given.
1335
1336 2012-03-15  Ian Lance Taylor  <iant@google.com>
1337
1338         PR gold/13850
1339         * layout.cc (Layout::make_output_section): Correctly mark
1340         SHT_INIT_ARRAY, et. al., as relro.
1341
1342 2012-03-14  Doug Kwan  <dougkwan@google.com>
1343
1344         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1345         dynamic relocations for protected symbols in shared objects.
1346
1347 2012-03-13  Ian Lance Taylor  <iant@google.com>
1348
1349         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1350         keep the larger alignment.
1351
1352 2012-03-12  Cary Coutant  <ccoutant@google.com>
1353
1354         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1355         handling of DW_LNE_define_file.
1356
1357 2012-03-12  Cary Coutant  <ccoutant@google.com>
1358
1359         * reduced_debug_output.cc
1360         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1361         codes to switch.
1362
1363 2012-02-29  Cary Coutant  <ccoutant@google.com>
1364
1365         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1366
1367 2012-02-29  Cary Coutant  <ccoutant@google.com>
1368
1369         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1370         Call Object::decompressed_section_contents.
1371         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1372         New dtor.
1373         (Sized_dwarf_line_info::buffer_start_): New data member.
1374         * merge.cc (Output_merge_data::do_add_input_section): Call
1375         Object::decompressed_section_contents.
1376         (Output_merge_string::do_add_input_section): Likewise.
1377         * object.cc (need_decompressed_section): New function.
1378         (build_compressed_section_map): Decompress sections needed later.
1379         (Sized_relobj_file::do_decompressed_section_contents): New function.
1380         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1381         * object.h (Object::decompressed_section_contents): New function.
1382         (Object::discard_decompressed_sections): New function.
1383         (Object::do_decompressed_section_contents): New function.
1384         (Object::do_discard_decompressed_sections): New function.
1385         (Compressed_section_info): New type.
1386         (Compressed_section_map): Include decompressed section contents.
1387         (Sized_relobj_file::do_decompressed_section_contents): New function.
1388         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1389
1390 2012-02-16  Cary Coutant  <ccoutant@google.com>
1391
1392         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1393         * testsuite/Makefile.in: Regenerate.
1394
1395 2012-02-14  Cary Coutant  <ccoutant@google.com>
1396
1397         * options.cc (General_options::finalize): Disallow -pie and -static.
1398
1399 2012-02-03  Doug Kwan  <dougkwan@google.com>
1400
1401         * arm.cc (Arm_relocate_functions::abs8,
1402         Arm_relocate_functions::abs16): Use
1403         Bits::has_signed_unsigned_overflow32.
1404         (Arm_relocate_functions::thm_abs8): Correct range of
1405         overflow check.
1406         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1407         in assertions.
1408
1409 2012-02-02  Doug Kwan  <dougkwan@google.com>
1410
1411         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1412         position independent outputs, not just shared objects.
1413
1414 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1415
1416         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1417         * configure: Regenerated.
1418
1419 2012-01-27  Ian Lance Taylor  <iant@google.com>
1420
1421         * reloc.h (Bits): New class with static functions, copied from
1422         namespace utils in arm.cc.
1423         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1424         instead.
1425
1426 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1427
1428         * incremental.cc (write_info_blocks): Correct relocation offset.
1429
1430 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1431
1432         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1433         (Relocate::tls_gd_to_le): Likewise.
1434
1435 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1436
1437         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1438
1439 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1440
1441         * configure.ac: Check if -mcmodel=medium works.
1442         * configure: Regenerated.
1443
1444 2012-01-24  Cary Coutant  <ccoutant@google.com>
1445
1446         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1447         definition and ...
1448         (read_unsigned_LEB_128_x): ... this new function.
1449         (read_signed_LEB_128): Replaced with inline definition and ...
1450         (read_signed_LEB_128_x): ... this new function.
1451         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1452         (read_unsigned_LEB_128): Add inline definition.
1453         (read_signed_LEB_128_x): New function.
1454         (read_signed_LEB_128): Add inline definition.
1455         * testsuite/Makefile.am (leb128_unittest): New unit test.
1456         * testsuite/Makefile.in: Regenerate.
1457         * testsuite/leb128_unittest.cc: New unit test.
1458
1459 2012-01-23  Ian Lance Taylor  <iant@google.com>
1460
1461         PR gold/13617
1462         * i386.cc (Target_i386::do_code_fill): When using a jmp
1463         instruction, pad with nop instructions.
1464         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1465
1466 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1467
1468         * x86_64.cc (gc_process_relocs): Add typename on types used in
1469         template.
1470         (scan_relocs): Likewise.
1471         (relocate_section): Likewise.
1472         (apply_relocation): Likewise.
1473
1474 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1475
1476         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1477         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1478         under x32.
1479
1480 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1481
1482         * x86_64.cc: Initial support for x32.
1483
1484 2012-01-03  Cary Coutant  <ccoutant@google.com>
1485
1486         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1487         Use abstract base class for GOT.
1488         * gold/output.h (class Output_data_got_base): New abstract base class.
1489         (class Output_data_got): Derive from new base class, adjust ctors.
1490         (Output_data_got::reserve_slot): Make virtual; rename to
1491         do_reserve_slot; Adjust callers.
1492         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1493         pointer to abstract base class.
1494         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1495
1496 2011-12-18  Ian Lance Taylor  <iant@google.com>
1497
1498         * object.h (Relobj::local_symbol_value): New function.
1499         (Relobj::local_plt_offset): New function.
1500         (Relobj::local_has_got_offset): New function.
1501         (Relobj::local_got_offset): New function.
1502         (Relobj::set_local_got_offset): New function.
1503         (Relobj::do_local_symbol_value): New pure virtual function.
1504         (Relobj::do_local_plt_offset): Likewise.
1505         (Relobj::do_local_has_got_offset): Likewise.
1506         (Relobj::do_local_got_offset): Likewise.
1507         (Relobj::do_set_local_got_offset): Likewise.
1508         (Sized_relobj::do_local_has_got_offset): Rename from
1509         local_has_got_offset.
1510         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1511         (Sized_relobj::do_set_local_got_offset): Rename from
1512         set_local_got_offset.
1513         (Sized_relobj_file::do_local_plt_offset): Rename from
1514         local_plt_offset.
1515         (Sized_relobj_file::do_local_symbol_value): New function.
1516         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1517         local_plt_offset.
1518         * output.cc (Output_data_got::Got_entry::write): Change object to
1519         Relobj.  Use local_symbol_value.
1520         (Output_data_got::add_global_with_rel): Change rel_dyn to
1521         Output_data_reloc_generic*.  Use add_global_generic.
1522         (Output_data_got::add_global_with_rela): Remove.  Change all
1523         callers to use add_global_with_rel.
1524         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1525         Output_data_reloc_generic*.  Use add_global_generic.
1526         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1527         callers to use add_global_pair_with_rel.
1528         (Output_data_got::add_local): Change object to Relobj*.
1529         (Output_data_got::add_local_plt): Likewise.
1530         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1531         change rel_dyn to Output_data_reloc_generic*.  Use
1532         add_local_generic.
1533         (Output_data_got::add_local_with_rela): Remove.  Change all
1534         callers to use all_local_with_rel.
1535         (Output_data_got::add_local_pair_with_rel): Change object to
1536         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1537         add_output_section_generic.
1538         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1539         callers to use add_local_pair_with_rel.
1540         (Output_data_got::reserve_local): Change object to Relobj*.
1541         * output.h: (class Output_data_reloc_generic): Add pure virtual
1542         declarations for add_global_generic, add_local_generic,
1543         add_output_section_generic.
1544         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1545         functions for Output_data_reloc_generic.  Update declarations for
1546         changes listed in output.cc.
1547         (class Output_data_got): Change template parameter to got_size.
1548         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1549         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1550         function.
1551         (Sized_relobj_incr::do_local_plt_offset): New function.
1552         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1553         add_global_generic.
1554
1555 2011-12-17  Cary Coutant  <ccoutant@google.com>
1556
1557         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1558         * resolve.cc (Symbol_table::resolve): Likewise.
1559         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1560         arrays.
1561         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1562
1563 2011-12-16  Ian Lance Taylor  <iant@google.com>
1564
1565         * output.h (Output_data_reloc_generic::add): Only call
1566         add_dynamic_reloc if this is a dynamic reloc section.
1567
1568 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1569
1570         PR gold/13505
1571         * target-reloc.h (apply_relocation): Replace <64, false> with
1572         <size, big_endian>.
1573
1574 2011-11-25  Nick Clifton  <nickc@redhat.com>
1575
1576         * po/it.po: New Italian translation.
1577
1578 2011-11-17  Sterling Augustine  <saugustine@google.com>
1579
1580         * script.cc (script_include_directive): Implement.
1581         (read_script_file): New local variables name and search_path. Update
1582         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1583         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1584         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1585
1586 2011-11-11  Sterling Augustine  <saugustine@google.com>
1587
1588         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1589         (file_or_sections_cmd): Likewise.
1590
1591 2011-11-11  Doug Kwan  <dougkwan@google.com>
1592
1593         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1594         if --just-symbols is given.
1595
1596 2011-11-10  Doug Kwan  <dougkwan@google.com>
1597
1598         PR gold/13362
1599         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1600         when processing data relocs.
1601         * reloc.h (Relocate_functions::rel_unaligned): New method.
1602         (Relocate_functions::pcrel_unaligned): Ditto.
1603         (Relocate_functions::rel32_unaligned): Ditto.
1604         (Relocate_functions::pcrel32_unaligned): Ditto.
1605
1606 2011-11-09  Doug Kwan  <dougkwan@google.com>
1607
1608         PR gold/13362
1609         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1610         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1611         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1612         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1613         (Relocate_functions::rel_unaligned): New.
1614         (Relocate_functions::rel32_unaligned): New.
1615         * target-reloc.h (relocate_for_relocatable): Add code to handle
1616         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1617         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1618         arm_unaligned_reloc_r): New targets.
1619         * testsuite/Makefile.in: Regenerate.
1620         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1621         linking.
1622
1623 2011-11-02  Ian Lance Taylor  <iant@google.com>
1624
1625         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1626         NATIVE_LINKER.
1627         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1628         * options.cc (General_options::finalize): Use library search path
1629         from configure script if specified.  If not native and no sysroot,
1630         only search TOOLLIBDIR.
1631         * options.h (Search_directory::Search_directory): Change name to
1632         const std::string&.
1633         (General_options::add_to_library_path_with_sysroot): Change arg to
1634         const std::string&.
1635         * configure, Makefile.in, config.in: Rebuild.
1636
1637 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1638
1639         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1640         we are working around the ARM1176 Erratum.
1641         * options.h (General_options::fix_arm1176): Add option.
1642         * testsuite/Makefile.am: Add testcases, and keep current ones
1643         working.
1644         * testsuite/Makefile.in: Regenerate.
1645         * testsuite/arm_fix_1176.s: New file.
1646         * testsuite/arm_fix_1176.sh: Likewise.
1647
1648 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1649
1650         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1651         may_use_blx_.
1652         (Target_arm::may_use_blx): Remove method.
1653         (Target_arm::set_may_use_blx): Likewise.
1654         (Target_arm::may_use_v4t_interworking): New method.
1655         (Target_arm::may_use_v5t_interworking): Likewise.
1656         (Target_arm::may_use_blx_): Remove member variable.
1657         (Arm_relocate_functions::arm_branch_common): Check for v5T
1658         interworking.
1659         (Arm_relocate_functions::thumb_branch_common): Likewise.
1660         (Reloc_stub::stub_type_for_reloc): Likewise.
1661         (Target_arm::do_finalize_sections): Correct interworking checks.
1662         * testsuite/Makefile.am: Add new tests.
1663         * testsuite/Makefile.in: Regenerate.
1664         * testsuite/arm_farcall_arm_arm.s: New test.
1665         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1666         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1667         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1668         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1669         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1670         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1671         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1672
1673 2011-10-31  Cary Coutant  <ccoutant@google.com>
1674
1675         PR gold/13023
1676         * expression.cc (Expression::eval_with_dot): Add
1677         is_section_dot_assignment parameter.
1678         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1679         absolute and assigning to dot within a section.
1680         * script-sections.cc
1681         (Output_section_element_assignment::set_section_addresses): Pass
1682         dot_section to set_if_absolute.
1683         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1684         as is_section_dot_assignment flag to eval_with_dot.
1685         (Output_section_element_dot_assignment::set_section_addresses):
1686         Likewise.
1687         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1688         parameter.  Also set value if relative to dot_section; set the
1689         symbol's output_section.
1690         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1691         parameter.  Adjust all callers.
1692         (Expression::eval_maybe_dot): Likewise.
1693         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1694         Adjust all callers.
1695         * testsuite/script_test_2.t: Test assignment of an absolute value
1696         to dot within an output section element.
1697
1698 2011-10-31  Cary Coutant  <ccoutant@google.com>
1699
1700         * options.h (class General_options): Add --[no-]gnu-unique options.
1701         * symtab.cc (Symbol_table::sized_write_globals): Convert
1702         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1703
1704 2011-10-31  Cary Coutant  <ccoutant@google.com>
1705
1706         PR gold/13359
1707         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1708         unnecessary assertion.
1709         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1710
1711 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1712
1713         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1714         gc_mark_symbol.
1715         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1716         gc_mark_symbol.
1717         Change to just keep the section associated with symbol.
1718         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1719         they are externally visible and --export-dynamic is turned on.
1720         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1721
1722 2011-10-19  Ian Lance Taylor  <iant@google.com>
1723
1724         PR gold/13163
1725         * script-sections.cc
1726         (Output_section_element_dot_assignment::needs_output_section): New
1727         function.
1728
1729 2011-10-19  Ian Lance Taylor  <iant@google.com>
1730
1731         PR gold/13204
1732         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1733         --section-start option was seen.
1734         * options.h (General_options::any_section_start): New function.
1735
1736 2011-10-18  David S. Miller  <davem@davemloft.net>
1737
1738         PR binutils/13301
1739         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1740         member to track relocation locations that have moved during TLS
1741         reloc optimizations.
1742         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1743         (Target_sparc::Relocate::relocate): Adjust view down by 4
1744         bytes if it matches reloc_adjust_addr_.
1745         (Target_sparc::Relocate::relocate_tls): Always move the
1746         __tls_get_addr call delay slot instruction forward 4 bytes when
1747         performing relaxation.
1748
1749 2011-10-18  Cary Coutant  <ccoutant@google.com>
1750
1751         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1752         (Output_file::map_no_anonymous): Check for non-zero
1753         return code from posix_fallocate.
1754
1755 2011-10-17  Cary Coutant  <ccoutant@google.com>
1756
1757         PR gold/13245
1758         * plugin.cc (is_visible_from_outside): Check for symbols
1759         referenced from dynamic objects.
1760         * resolve.cc (Symbol_table::resolve): Don't count references
1761         from dynamic objects as references from real ELF files.
1762         * testsuite/plugin_test_2.sh: Adjust expected result.
1763
1764 2011-10-17  Cary Coutant  <ccoutant@google.com>
1765
1766         * gold.cc: Include timer.h.
1767         (queue_middle_tasks): Stamp time.
1768         (queue_final_tasks): Likewise.
1769         * main.cc (main): Store timer in parameters.  Print timers
1770         for each pass.
1771         * parameters.cc (Parameters::Parameters): Initialize timer_.
1772         (Parameters::set_timer): New function.
1773         (set_parameters_timer): New function.
1774         * parameters.h (Parameters::set_timer): New function.
1775         (Parameters::timer): New function.
1776         (Parameters::timer_): New data member.
1777         (set_parameters_timer): New function.
1778         * timer.cc (Timer::stamp): New function.
1779         (Timer::get_pass_time): New function.
1780         * timer.h (Timer::stamp): New function.
1781         (Timer::get_pass_time): New function.
1782         (Timer::pass_times_): New data member.
1783
1784 2011-10-17  Cary Coutant  <ccoutant@google.com>
1785
1786         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1787         task for members of lib groups.
1788
1789 2011-10-17  Cary Coutant  <ccoutant@google.com>
1790
1791         PR gold/13288
1792         * fileread.cc (File_read::find_view): Add assert.
1793         (File_read::make_view): Move bounds check (replace with assert)...
1794         (File_read::find_or_make_view): ... to here.
1795
1796 2011-10-12  Cary Coutant  <ccoutant@google.com>
1797
1798         * output.cc (Output_file::open_base_file): Handle case where
1799         ::read returns less than requested size.
1800
1801 2011-10-10  Cary Coutant  <ccoutant@google.com>
1802
1803         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1804         Initialize defined_count_.
1805         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1806         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1807         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1808         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1809         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1810         * incremental.h (Sized_relobj_incr::defined_count_): New data
1811         member.
1812         (Sized_incr_dynobj::defined_count_): New data member.
1813         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1814         Return zeroes instead of internal error.
1815
1816 2011-10-10  Cary Coutant  <ccoutant@google.com>
1817
1818         PR gold/13249
1819         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1820         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1821         * output.h (class Output_reloc): Add use_plt_offset flag.
1822         (Output_reloc::type_): Adjust size of bit field.
1823         (Output_reloc::use_plt_offset_): New bit field.
1824         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1825         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1826         flag.  Adjust all callers.
1827         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1828         creating RELATIVE relocations.
1829
1830 2011-10-10  Nick Clifton  <nickc@redhat.com>
1831
1832         * po/es.po: Updated Spanish translation.
1833         * po/fi.po: Updated Finnish translation.
1834
1835 2011-10-03   Diego Novillo  <dnovillo@google.com>
1836
1837         * options.cc (parse_uint): Fix dereference of RETVAL.
1838
1839 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1840
1841         * layout.h (section_order_map_): New member.
1842         (get_section_order_map): New member function.
1843         * output.cc (Output_section::add_input_section): Check for patterns
1844         only when --section-ordering-file is specified.
1845         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1846         output_sections have been formed.
1847         * layout.cc (Layout_Layout): Initialize section_order_map_.
1848         * plugin.cc (update_section_order): Store order in order_map. Do not
1849         update the order.
1850         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1851         * testsuite/Makefile.in: Regenerate.
1852         * testsuite/plugin_section_order.c: New file.
1853         * testsuite/plugin_final_layout.cc: New file.
1854         * testsuite/plugin_final_layout.sh: New file.
1855
1856 2011-09-29  Cary Coutant  <ccoutant@google.com>
1857
1858         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1859         Check for NULL.
1860         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1861         symbols during incremental update.
1862         (Symbol_table::add_from_dynobj): Likewise.
1863
1864 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1865             Ian Lance Taylor  <iant@google.com>
1866
1867         * symtab.cc (Symbol_table::define_special_symbol): Always
1868         canonicalize version string.
1869
1870 2011-09-26  Cary Coutant  <ccoutant@google.com>
1871
1872         * gold.cc (queue_initial_tasks): Move option checks ...
1873         * options.cc (General_options::finalize): ... to here. Disable
1874         some options; make others fatal.
1875
1876 2011-09-26  Cary Coutant  <ccoutant@google.com>
1877
1878         gcc PR lto/47247
1879         * plugin.cc (get_symbols_v2): New function.
1880         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1881         (is_referenced_from_outside): New function.
1882         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1883         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1884         (get_symbols): Pass version parameter.
1885         (get_symbols_v2): New function.
1886         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1887         parameter.
1888         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1889         (onload): Add LDPT_GET_SYMBOLS_V2.
1890         (all_symbols_read_hook): Use get_symbols_v2; check for
1891         LDPR_PREVAILING_DEF_IRONLY_EXP.
1892         * testsuite/plugin_test_3.sh: Update expected results.
1893
1894 2011-09-23  Simon Baldwin  <simonb@google.com>
1895
1896         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1897         configuration options.
1898         * configure: Regenerate.
1899         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1900         * Makefile.in: Regenerate.
1901         * testsuite/Makefile.in: Regenerate.
1902
1903 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1904
1905         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1906
1907 2011-09-19  Cary Coutant  <ccoutant@google.com>
1908
1909         * incremental.cc (can_incremental_update): Fix typo in comment.
1910         * incremental.h (can_incremental_update): Likewise.
1911
1912 2011-09-18  Cary Coutant  <ccoutant@google.com>
1913
1914         * incremental.cc (can_incremental_update): New function.
1915         * incremental.h (can_incremental_update): New function.
1916         * layout.cc (Layout::init_fixed_output_section): Call it.
1917         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1918         * object.cc (Sized_relobj_file::do_layout): Call
1919         can_incremental_update.
1920
1921 2011-09-13  Cary Coutant  <ccoutant@google.com>
1922
1923         * configure.ac: Check for glibc support for gnu_indirect_function
1924         support with static linking, setting automake conditional
1925         IFUNC_STATIC.
1926         * Makefile.in: Regenerate.
1927         * configure: Regenerate.
1928
1929         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1930         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1931         for IFUNC_STATIC.
1932         * testsuite/Makefile.in: Regenerate.
1933
1934 2011-09-13  Cary Coutant  <ccoutant@google.com>
1935
1936         * incremental.cc (Sized_relobj_incr::do_layout): Call
1937         report_comdat_group for kept comdat sections.
1938         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1939         * testsuite/Makefile.in: Regenerate.
1940         * testsuite/incr_comdat_test_1.cc: New source file.
1941         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1942         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1943         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1944
1945 2011-09-13  Ian Lance Taylor  <iant@google.com>
1946
1947         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1948         variable external_symbols_offset.
1949
1950 2011-09-12  Ian Lance Taylor  <iant@google.com>
1951
1952         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1953         triggered if object has no symbols.
1954
1955 2011-09-09  David S. Miller  <davem@davemloft.net>
1956
1957         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1958         (Output_fill_debug_line::do_write): Likewise.
1959
1960 2011-08-29  Cary Coutant  <ccoutant@google.com>
1961
1962         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1963         casts to match formatting specs.
1964         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1965
1966 2011-08-26  Cary Coutant  <ccoutant@google.com>
1967
1968         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1969         remaining hole size when allocating.
1970         (Layout::make_output_section): Set fill methods for debug sections.
1971         * layout.h (Free_list::Free_list_node): Move from private to
1972         public.
1973         (Free_list::set_min_hole_size): New function.
1974         (Free_list::begin, Free_list::end): New functions.
1975         (Free_list::min_hole_): New data member.
1976         * output.cc: Include dwarf.h.
1977         (Output_fill_debug_info::do_minimum_hole_size): New function.
1978         (Output_fill_debug_info::do_write): New function.
1979         (Output_fill_debug_line::do_minimum_hole_size): New function.
1980         (Output_fill_debug_line::do_write): New function.
1981         (Output_section::Output_section): Initialize new data member.
1982         (Output_section::set_final_data_size): Ensure patch space is larger
1983         than minimum hole size.
1984         (Output_section::do_write): Fill holes in debug sections.
1985         * output.h (Output_fill): New class.
1986         (Output_fill_debug_info): New class.
1987         (Output_fill_debug_line): New class.
1988         (Output_section::set_free_space_fill): New function.
1989         (Output_section::free_space_fill_): New data member.
1990         * testsuite/Makefile.am (incremental_test_3): Add
1991         --incremental-patch option.
1992         (incremental_test_4): Likewise.
1993         (incremental_test_5): Likewise.
1994         (incremental_test_6): Likewise.
1995         (incremental_copy_test): Likewise.
1996         (incremental_common_test_1): Likewise.
1997         * testsuite/Makefile.in: Regenerate.
1998
1999 2011-08-26  Nick Clifton  <nickc@redhat.com>
2000
2001         * po/es.po: Updated Spanish translation.
2002
2003 2011-08-01  Cary Coutant  <ccoutant@google.com>
2004
2005         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2006         * gold/testsuite/Makefile.in: Regenerate.
2007         * gold/testsuite/justsyms_exec.c: New source file.
2008         * gold/testsuite/justsyms_lib.c: New source file.
2009
2010 2011-08-01  Cary Coutant  <ccoutant@google.com>
2011
2012         * layout.cc (Layout::set_segment_offsets): Don't realign text
2013         segment if -Ttext was specified.
2014         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2015         file type.
2016         * object.h (Sized_relobj_file::e_type): New function.
2017         (Sized_relobj_file::e_type_): New data member.
2018         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2019         base address for ET_EXEC files.
2020         * target.cc (Target::do_make_elf_object_implementation): Allow
2021         ET_EXEC files with --just-symbols option.
2022
2023 2011-07-28  Cary Coutant  <ccoutant@google.com>
2024
2025         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2026         Add thread_number parameter.
2027         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2028         * workqueue-threads.cc
2029         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2030         current thread if its thread number is greater than desired thread
2031         count.
2032         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2033         Add thread_number parameter.
2034         (Workqueue::should_cancel_thread): Likewise.
2035         (Workqueue::find_runnable_or_wait): Pass thread_number to
2036         should_cancel_thread.
2037         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2038         parameter.
2039
2040 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2041
2042         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2043         only after checking if it cannot be forced local.
2044         * symtab.h (is_externally_visible): Check if the symbol is not forced
2045         local.
2046
2047 2011-07-15  Ian Lance Taylor  <iant@google.com>
2048
2049         * options.h (class General_options): Add --print-output-format.
2050         Move -EL next to -EB, for  better --help output.
2051         * target-select.cc: Include <cstdio>, "options.h", and
2052         "parameters.h".
2053         (Target_selector::do_target_bfd_name): New function.
2054         (print_output_format): New function.
2055         * target-select.h (class Target_selector): Update declarations.
2056         (Target_selector::target_bfd_name): New function.
2057         (print_output_format): Declare.
2058         * main.cc: Include "target-select.h".
2059         (main): Handle --print-output-format.
2060         * gold.cc: Include "target-select.h".
2061         (queue_initial_tasks): Handle --print-output-format when there are
2062         no input files.
2063         * parameters.cc (parameters_force_valid_target): Give a better
2064         error message if -EB/-EL does not match target.
2065         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2066         function.
2067
2068 2011-07-15  Ian Lance Taylor  <iant@google.com>
2069
2070         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2071         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2072         (Output_data_plt_i386::do_write): Write address of .dynamic
2073         section to first entry in .got.plt section.
2074         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2075         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2076         Initialize layout_.
2077         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2078         section to first entry in .got.plt section.
2079         * layout.h (Layout::dynamic_section): New function.
2080
2081 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2082
2083         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2084         to claim_file call.
2085         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2086         input_section_position_, and input_section_glob_.
2087         (read_layout_from_file): Call function section_ordering_specified.
2088         * layout.h (is_section_ordering_specified): New function.
2089         (section_ordering_specified): New function.
2090         (section_ordering_specified_): New boolean member.
2091         * main.cc(main): Call load_plugins after layout object is defined.
2092         * output.cc (Output_section::add_input_section): Use
2093         function section_ordering_specified to check if section ordering is
2094         needed.
2095         * output.cc (Output_section::add_relaxed_input_section): Use
2096         function section_ordering_specified to check if section ordering is
2097         needed.
2098         (Output_section::update_section_layout): New function.
2099         (Output_section::sort_attached_input_sections): Check if input section
2100         must be reordered.
2101         * output.h (Output_section::update_section_layout): New function.
2102         * plugin.cc (get_section_count): New function.
2103         (get_section_type): New function.
2104         (get_section_name): New function.
2105         (get_section_contents): New function.
2106         (update_section_order): New function.
2107         (allow_section_ordering): New function.
2108         (Plugin::load): Add the new interfaces to the transfer vector.
2109         (Plugin_manager::load_plugins): New parameter.
2110         (Plugin_manager::all_symbols_read): New parameter.
2111         (Plugin_manager::claim_file): New parameter. Save the elf object for
2112         unclaimed objects.
2113         (Plugin_manager::get_elf_object): New function.
2114         (Plugin_manager::get_view): Change to directly use the bool to check
2115         if get_view is called from claim_file_hook.
2116         * plugin.h (input_objects): New function
2117         (Plugin__manager::load_plugins): New parameter.
2118         (Plugin_manager::claim_file): New parameter.
2119         (Plugin_manager::get_elf_object): New function.
2120         (Plugin_manager::in_claim_file_handler): New function.
2121         (Plugin_manager::in_claim_file_handler_): New member.
2122         (layout): New function.
2123         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2124         handler with an extra parameter. Make the elf object before calling
2125         claim_file handler.
2126         * testsuite/plugin_test.c (get_section_count): New function pointer.
2127         (get_section_type): New function pointer.
2128         (get_section_name): New function pointer.
2129         (get_section_contents): New function pointer.
2130         (update_section_order): New function pointer.
2131         (allow_section_ordering): New function pointer.
2132         (onload): Check if the new interfaces exist.
2133
2134 2011-07-13  Ian Lance Taylor  <iant@google.com>
2135
2136         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2137         relro section.
2138         * x86_64.cc (Target_x86_64::got_section): Likewise.
2139         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2140         (relro_now_test_SOURCES): New variable.
2141         (relro_now_test_DEPENDENCIES): New variable.
2142         (relro_now_test_LDFLAGS): New variable.
2143         (relro_now_test_LDADD): New variable.
2144         (relro_now_test.so): New target.
2145         * testsuite/Makefile.in: Rebuild.
2146
2147 2011-07-12  Ian Lance Taylor  <iant@google.com>
2148
2149         PR gold/12980
2150         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2151         GLOB_DAT relocation rather than a RELATIVE relocation for a
2152         protected symbol when creating a shared library.
2153         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2154         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2155         * testsuite/protected_main_1.cc (main): Test that protected
2156         function has same address.
2157
2158 2011-07-11  Ian Lance Taylor  <iant@google.com>
2159
2160         PR gold/12979
2161         * options.h (class General_options): Add -Bgroup.
2162         * options.cc (General_options::finalize): If -Bgroup is set,
2163         default to --unresolved-symbols=report-all.
2164         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2165         * target-reloc.h (issue_undefined_symbol_error): Handle
2166         --unresolved-symbols=report-all.
2167
2168 2011-07-08  Ian Lance Taylor  <iant@google.com>
2169
2170         PR gold/11985
2171         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2172         if linker script discards key sections.
2173         (Layout::create_dynamic_symtab): Likewise.
2174         (Layout::assign_local_dynsym_offsets): Likewise.
2175         (Layout::sized_create_version_sections): Likewise.
2176         (Layout::create_interp): Likewise.
2177         (Layout::finish_dynamic_section): Likewise.
2178         (Layout::set_dynamic_symbol_size): Likewise.
2179
2180 2011-07-08  Ian Lance Taylor  <iant@google.com>
2181
2182         PR gold/12386
2183         * options.h (class General_options): Add --unresolved-symbols.
2184         * target-reloc.h (issue_undefined_symbol_error): Check
2185         --unresolved-symbols.  Add comments.
2186
2187 2011-07-08  Ian Lance Taylor  <iant@google.com>
2188
2189         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2190         expression more complex.
2191
2192 2011-07-08  Ian Lance Taylor  <iant@google.com>
2193
2194         PR gold/11317
2195         * target-reloc.h (issue_undefined_symbol_error): New inline
2196         function, broken out of relocate_section.
2197         (relocate_section): Call issue_undefined_symbol_error.
2198         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2199         there is no TLS segment if we are about to issue an undefined
2200         symbol error.
2201         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2202
2203 2011-07-08  Ian Lance Taylor  <iant@google.com>
2204
2205         PR gold/12279
2206         * resolve.cc (Symbol_table::should_override): Add fromtype
2207         parameter.  Change all callers.  Give error when linking together
2208         TLS and non-TLS symbol.
2209         (Symbol_table::should_override_with_special): Add fromtype
2210         parameter.  Change all callers.
2211         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2212         there is no TLS segment if we have reported some errors.
2213         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2214
2215 2011-07-08  Ian Lance Taylor  <iant@google.com>
2216
2217         PR gold/12372
2218         * target.h (Target::plt_address_for_global): New function.
2219         (Target::plt_address_for_local): New function.
2220         (Target::plt_section_for_global): Remove.
2221         (Target::plt_section_for_local): Remove.
2222         (Target::do_plt_address_for_global): New virtual function.
2223         (Target::do_plt_address_for_local): New virtual function.
2224         (Target::do_plt_section_for_global): Remove.
2225         (Target::do_plt_section_for_local): Remove.
2226         (Target::register_global_plt_entry): Add Symbol_table and Layout
2227         parameters.
2228         * output.cc (Output_data_got::Got_entry::write): Use
2229         plt_address_for_global and plt_address_for_local.
2230         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2231         address of output section.
2232         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2233         got_irelative_, and irelative_count_ fields.  Update
2234         declarations.
2235         (Output_data_plt_i386::has_irelative_section): New function.
2236         (Output_data_plt_i386::entry_count): Add irelative_count_.
2237         (Output_data_plt_i386::set_final_data_size): Likewise.
2238         (class Target_i386): Add got_irelative_ and rel_irelative_
2239         fields.  Update declarations.
2240         (Target_i386::Target_i386): Initialize new fields.
2241         (Target_i386::do_plt_address_for_global): New function replacing
2242         do_plt_section_for_global.
2243         (Target_i386::do_plt_address_for_local): New function replacing
2244         do_plt_section_for_local.
2245         (Target_i386::got_section): Create got_irelative_.
2246         (Target_i386::rel_irelative_section): New function.
2247         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2248         fields.  Don't define __rel_iplt_{start,end}.
2249         (Output_data_plt_i386::add_entry): Add symtab and layout
2250         parameters.  Change all callers.  Use different PLT and GOT for
2251         IFUNC symbols.
2252         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2253         layout parameters.  Change all callers.  Use different PLT and
2254         GOT.
2255         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2256         (Output_data_plt_i386::rel_irelative): New function.
2257         (Output_data_plt_i386::address_for_global): New function.
2258         (Output_data_plt_i386::address_for_local): New function.
2259         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2260         IRELATIVE GOT when changing IFUNC GOT entries.
2261         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2262         reloc.
2263         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2264         if we didn't create an IRELATIVE GOT.
2265         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2266         plt_address_for_local.
2267         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2268         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2269         got_irelative_, and irelative_count_ fields.  Update
2270         declarations.
2271         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2272         Initialize new fields.  Remove symtab parameter.  Change all
2273         callers.
2274         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2275         irelative_count_.
2276         (Output_data_plt_x86_64::has_irelative_section): New function.
2277         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2278         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2279         fields.  Update declarations.
2280         (Target_x86_64::Target_x86_64): Initialize new fields.
2281         (Target_x86_64::do_plt_address_for_global): New function replacing
2282         do_plt_section_for_global.
2283         (Target_x86_64::do_plt_address_for_local): New function replacing
2284         do_plt_section_for_local.
2285         (Target_x86_64::got_section): Create got_irelative_.
2286         (Target_x86_64::rela_irelative_section): New function.
2287         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2288         all callers.  Don't create __rel_iplt_{start,end}.
2289         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2290         parameters.  Change all callers.  Use different PLT and GOT for
2291         IFUNC symbols.
2292         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2293         layout parameters.  Change all callers.  Use different PLT and
2294         GOT.
2295         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2296         parameters.  Change all callers.  Use different PLT and GOT for
2297         IFUNC symbols.
2298         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2299         (Output_data_plt_x86_64::rela_irelative): New function.
2300         (Output_data_plt_x86_64::address_for_global): New function.
2301         (Output_data_plt_x86_64::address_for_local): New function.
2302         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2303         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2304         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2305         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2306         parameters.
2307         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2308         reloc.
2309         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2310         symbols if we didn't create an IRELATIVE GOT.
2311         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2312         plt_address_for_local.
2313         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2314         * testsuite/ifuncvar1.c: New test file.
2315         * testsuite/ifuncvar2.c: New test file.
2316         * testsuite/ifuncvar3.c: New test file.
2317         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2318         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2319         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2320         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2321         * testsuite/Makefile.in: Rebuild.
2322
2323 2011-07-07  Cary Coutant  <ccoutant@google.com>
2324
2325         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2326         (two_file_test_1_ndebug.o): Likewise.
2327         (two_file_test_1b_ndebug.o): Likewise.
2328         (two_file_test_2_ndebug.o): Likewise.
2329         (two_file_test_main_ndebug.o): Likewise.
2330         (incremental_test_2): Link with no-debug versions.
2331
2332 2011-07-06  Cary Coutant  <ccoutant@google.com>
2333
2334         * gold/incremental.cc
2335         (Output_section_incremental_inputs::write_info_blocks): Check for
2336         hidden and internal symbols.
2337
2338 2011-07-06  Cary Coutant  <ccoutant@google.com>
2339
2340         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2341         Check disposition for startup file.
2342         (Incremental_inputs::report_command_line): Ignore
2343         --incremental-startup-unchanged option.
2344         * options.cc (General_options::parse_incremental_startup_unchanged):
2345         New function.
2346         (General_options::General_options): Initialize new data member.
2347         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2348         (General_options): Add --incremental-startup-unchanged option.
2349         (General_options::incremental_startup_disposition): New function.
2350         (General_options::incremental_startup_disposition_): New data member.
2351
2352 2011-07-06  Cary Coutant  <ccoutant@google.com>
2353
2354         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2355         input file index to Script_info ctor.
2356         (Sized_incremental_binary::do_file_has_changed): Find the
2357         command-line argument for files named in scripts.
2358         * incremental.h (Script_info::Script_info): New ctor
2359         with input file index.
2360         (Script_info::input_file_index): New function.
2361         (Script_info::input_file_index_): New data member.
2362         (Incremental_binary::get_library): Add const.
2363         (Incremental_binary::get_script_info): Add const.
2364         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2365         * testsuite/Makefile.am (incremental_test_5): New test case.
2366         (incremental_test_6): New test case.
2367         * testsuite/Makefile.in: Regenerate.
2368
2369 2011-07-06  Cary Coutant  <ccoutant@google.com>
2370
2371         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2372         debug output when command lines differ.
2373
2374 2011-07-06  Cary Coutant  <ccoutant@google.com>
2375
2376         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2377         --incremental-patch option.
2378         * layout.cc (Free_list::allocate): Extend allocation beyond original
2379         end if enabled.
2380         (Layout::make_output_section): Mark sections that should get
2381         patch space.
2382         * options.cc (parse_percent): New function.
2383         * options.h (parse_percent): New function.
2384         (DEFINE_percent): New macro.
2385         (General_options): Add --incremental-patch option.
2386         * output.cc (Output_section::Output_section): Initialize new data
2387         members.
2388         (Output_section::add_input_section): Print section name when out
2389         of patch space.
2390         (Output_section::add_output_section_data): Likewise.
2391         (Output_section::set_final_data_size): Add patch space when
2392         doing --incremental-full.
2393         (Output_section::do_reset_address_and_file_offset): Remove patch
2394         space.
2395         (Output_segment::set_section_list_addresses): Print debug output
2396         only if --incremental-update.
2397         * output.h (Output_section::set_is_patch_space_allowed): New function.
2398         (Output_section::is_patch_space_allowed_): New data member.
2399         (Output_section::patch_space_): New data member.
2400         * parameters.cc (Parameters::incremental_full): New function.
2401         * parameters.h (Parameters::incremental_full): New function
2402         * testsuite/Makefile.am (incremental_test_2): Add test for
2403         --incremental-patch option.
2404         * testsuite/Makefile.in: Regenerate.
2405         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2406         (t18): Remove function body.
2407
2408 2011-07-05  Doug Kwan  <dougkwan@google.com>
2409
2410         PR gold/12771
2411         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2412         Arm_Address type for relocation result.
2413         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2414         overflow check.
2415         (Arm_relocate_functions::abs32): Use unaligned access.
2416         (Arm_relocate_functions::rel32): Ditto.
2417         (Arm_relocate_functions::prel31): Ditto.
2418         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2419         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2420         static data relocations.
2421         * testsuite/Makefile.in: Regnerate.
2422         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2423
2424 2011-07-05  Ian Lance Taylor  <iant@google.com>
2425
2426         PR gold/12392
2427         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2428         symbols if necessary.
2429         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2430
2431 2011-07-05  Ian Lance Taylor  <iant@google.com>
2432
2433         PR gold/12952
2434         * resolve.cc (Symbol::override_base_with_special): Simply override
2435         version with special symbol version, ignoring previous version.
2436
2437 2011-07-05  Ian Lance Taylor  <iant@google.com>
2438
2439         * object.cc (Sized_relobj_file::include_section_group): Add
2440         information to comment about signature location.
2441
2442 2011-07-02  Ian Lance Taylor  <iant@google.com>
2443
2444         PR gold/12957
2445         * options.h (class General_options): Add -f and -F.
2446         * options.cc (General_options::finalize): Fatal error if -f/-F
2447         are used without -shared.
2448         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2449
2450 2011-07-02  Ian Lance Taylor  <iant@google.com>
2451
2452         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2453
2454 2011-07-01  Ian Lance Taylor  <iant@google.com>
2455
2456         PR gold/12525
2457         PR gold/12952
2458         * resolve.cc (Symbol::override_base_with_special): Don't override
2459         the version if the overriding symbol has a different name.
2460         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2461         all callers.  If we give an error about an undefined version,
2462         define the base version if necessary.
2463         * dynobj.h (class Versions): Update declaration.
2464         * testsuite/weak_alias_test_5.cc: New file.
2465         * testsuite/weak_alias_test.script: New file.
2466         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2467         and versioned_alias have the right value, and call t2.
2468         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2469         weak_alias_test_5.so.
2470         (weak_alias_test_LDADD): Likewise.
2471         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2472         * testsuite/Makefile.in: Rebuild.
2473
2474 2011-07-01  Ian Lance Taylor  <iant@google.com>
2475
2476         PR gold/12525
2477         * options.h (class General_options): Support -z notext.
2478         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2479         -Wl,-z,notext.
2480         (two_file_shared_nonpic.so): Likewise.
2481         (two_file_shared_mixed.so): Likewise.
2482         (two_file_shared_mixed_1.so): Likewise.
2483         (weak_undef_lib_nonpic.so): Likewise.
2484         (alt/weak_undef_lib_nonpic.so): Likewise.
2485         (tls_test_shared_nonpic.so): Likewise.
2486         * testsuite/Makefile.in: Rebuild.
2487
2488 2011-07-01  Ian Lance Taylor  <iant@google.com>
2489
2490         PR gold/12525
2491         * configure.ac: Test whether static linking works, setting
2492         the automake conditional HAVE_STATIC.
2493         * testsuite/Makefile.am: Disable tests using -static if
2494         HAVE_STATIC is not true.
2495         * configure, testsuite/Makefile.in: Rebuild.
2496
2497 2011-07-01  Ian Lance Taylor  <iant@google.com>
2498
2499         PR gold/12525
2500         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2501         Assert if we see DW_EH_PE_indirect.
2502         * target.h (Target::ehframe_datarel_base): New function.
2503         (Target::do_ehframe_datarel_base): New target function.
2504         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2505         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2506         function.
2507
2508 2011-07-01  Ian Lance Taylor  <iant@google.com>
2509
2510         PR gold/12571
2511         * options.h (class General_options): Add
2512         --ld-generated-unwind-info.
2513         * ehframe.cc (Fde::write): Add address parameter.  Change all
2514         callers.  If associated with PLT, fill in address and size.
2515         (Cie::set_output_offset): Only add merge mapping if there is an
2516         object.
2517         (Cie::write): Add address parameter.  Change all callers.
2518         (Eh_frame::add_ehframe_for_plt): New function.
2519         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2520         input_offset_ fields into union u_, with new plt field.
2521         (Fde::Fde): Adjust for new union field.
2522         (Fde::Fde) [Output_data version]: New constructor.
2523         (Fde::add_mapping): Only add merge mapping if there is an object.
2524         (class Cie): Update declarations.
2525         (class Eh_frame): Declare add_ehframe_for_plt.
2526         * layout.cc (Layout::layout_eh_frame): Break out code into
2527         make_eh_frame_section, and call it.
2528         (Layout::make_eh_frame_section): New function.
2529         (Layout::add_eh_frame_for_plt): New function.
2530         * layout.h (class Layout): Update declarations.
2531         * merge.cc (Merge_map::add_mapping): Add assertion.
2532         * i386.cc: Include "dwarf.h".
2533         (class Output_data_plt_i386): Make first_plt_entry,
2534         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2535         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2536         and plt_eh_frame_fde.
2537         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2538         boundary.  Call add_eh_frame_for_plt if appropriate.
2539         * x86_64.cc: Include "dwarf.h".
2540         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2541         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2542         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2543         and plt_eh_frame_fde.
2544         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2545         appropriate.
2546
2547 2011-06-29  Ian Lance Taylor  <iant@google.com>
2548
2549         PR gold/12629
2550         * object.cc (Sized_relobj_file::layout_section): Change shdr
2551         parameter to be const.
2552         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2553         out of do_layout.
2554         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2555         appropriate.  Call layout_eh_frame_section.
2556         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2557         sections.
2558         * object.h (class Sized_relobj_file): Update declarations.
2559
2560 2011-06-29  Ian Lance Taylor  <iant@google.com>
2561
2562         PR gold/12652
2563         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2564         modifier.
2565         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2566
2567 2011-06-29  Ian Lance Taylor  <iant@google.com>
2568
2569         PR gold/12675
2570         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2571         SHT_X86_64_UNWIND.
2572         * layout.cc (Layout::layout_eh_frame): Likewise.
2573
2574 2011-06-29  Ian Lance Taylor  <iant@google.com>
2575
2576         PR gold/12695
2577         * layout.cc (Layout::symtab_section_shndx): New function.
2578         * layout.h (class Layout): Declare symtab_section_shndx.
2579         * output.cc (Output_section::write_header): Call it.
2580
2581 2011-06-29  Ian Lance Taylor  <iant@google.com>
2582
2583         PR gold/12818
2584         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2585         symbols which are not used in a relocation.
2586
2587 2011-06-28  Ian Lance Taylor  <iant@google.com>
2588
2589         PR gold/12898
2590         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2591         script create indistinguishable segments.
2592         (Layout::set_segment_offsets): Use stable_sort when sorting
2593         segments.  Pass this to Compare_segments constructor.
2594         * layout.h (class Layout): Make segment_precedes non-static.
2595         (class Compare_segments): Change from struct to class.  Add
2596         layout_ field.  Add constructor.
2597         * script-sections.cc
2598         (Script_sections::attach_sections_using_phdrs_clause): Rename
2599         local orphan to is_orphan.  Don't report failure to put empty
2600         section in segment.  On attachment failure, report name of
2601         section, and attach to first PT_LOAD segment.
2602
2603 2011-06-28  Ian Lance Taylor  <iant@google.com>
2604
2605         PR gold/12934
2606         * target-select.cc (Target_selector::Target_selector): Add
2607         emulation parameter.  Change all callers.
2608         (select_target_by_bfd_name): Rename from select_target_by_name.
2609         Change all callers.
2610         (select_target_by_emulation): New function.
2611         (supported_emulation_names): New function.
2612         * target-select.h (class Target_selector): Add emulation_ field.
2613         Update declarations.
2614         (Target_selector::recognize_by_bfd_name): Rename from
2615         recognize_by_name.  Change all callers.
2616         (Target_selector::supported_bfd_names): Rename from
2617         supported_names.  Change all callers.
2618         (Target_selector::recognize_by_emulation): New function.
2619         (Target_selector::supported_emulations): New function.
2620         (Target_selector::emulation): New function.
2621         (Target_selector::do_recognize_by_bfd_name): Rename from
2622         do_recognize_by_name.  Change all callers.
2623         (Target_selector::do_supported_bfd_names): Rename from
2624         do_supported_names.  Change all callers.
2625         (Target_selector::do_recognize_by_emulation): New function.
2626         (Target_selector::do_supported_emulations): New function.
2627         (select_target_by_bfd_name): Change name in declaration.
2628         (select_target_by_emulation): Declare.
2629         (supported_emulation_names): Declare.
2630         * parameters.cc (parameters_force_valid_target): Try to find
2631         target based on emulation from -m option.
2632         * options.h (class General_options): Change doc string for -m.
2633         * options.cc (help): Print emulations.
2634         (General_options::parse_V): Likewise.
2635         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2636         Add emulation parameter.  Change all callers.
2637
2638 2011-06-28  Ian Lance Taylor  <iant@google.com>
2639
2640         * target.h (class Target): Add osabi_ field.
2641         (Target::osabi): New function.
2642         (Target::set_osabi): New function.
2643         (Target::Target): Initialize osabi_.
2644         (Target::do_adjust_elf_header): Make pure virtual.
2645         (Sized_target::do_adjust_elf_header): Declare.
2646         * target.cc (Sized_target::do_adjust_elf_header): New function.
2647         (class Sized_target): Instantiate all versions.
2648         * freebsd.h (class Target_freebsd): Remove.
2649         (Target_selector_freebsd::do_recognize): Call set_osabi on
2650         Target.
2651         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2652         (Target_selector_freebsd::set_osabi): Remove.
2653         * i386.cc (class Target_i386): Inherit from Sized_target rather
2654         than Target_freebsd.
2655         * x86_64.cc (class Target_x86_64): Likewise.
2656
2657 2011-06-28  Ian Lance Taylor  <iant@google.com>
2658
2659         * target.h (Target::can_check_for_function_pointers): Rewrite.
2660         Make non-virtual.
2661         (Target::can_icf_inline_merge_sections): Likewise.
2662         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2663         (Target::Target_info): Add can_icf_inline_merge_sections field.
2664         (Target::do_can_check_for_function_pointers): New virtual
2665         function.
2666         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2667         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2668         from can_check_for_function_pointers, move in file.
2669         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2670         section_may_have_icf_unsafe_poineters, move in file.
2671         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2672         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2673         Rename from can_check_for_function_pointers, move in file.
2674         (Target_i386::can_icf_inline_merge_sections): Remove.
2675         (Target_i386::i386_info): Initialize
2676         can_icf_inline_merge_sections.
2677         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2678         Initialize can_icf_inline_merge_sections.
2679         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2680         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2681         Rename from can_check_for_function_pointers, move in file.
2682         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2683         (Target_x86_64::x86_64_info): Initialize
2684         can_icf_inline_merge_sections.
2685         * testsuite/testfile.cc (Target_test::test_target_info):
2686         Likewise.
2687         * icf.cc (get_section_contents): Correct formatting.
2688
2689 2011-06-27  Ian Lance Taylor  <iant@google.com>
2690
2691         * symtab.cc (Symbol::versioned_name): New function.
2692         (Symbol_table::add_to_final_symtab): Use versioned_name when
2693         appropriate.
2694         (Symbol_table::sized_write_symbol): Likewise.
2695         * symtab.h (class Symbol): Declare versioned_name.
2696         * stringpool.h (class Stringpool_template): Add variant of add
2697         which takes a std::basic_string.
2698         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2699         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2700         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2701         (ver_test_12.o): New target.
2702         * testsuite/Makefile.in: Rebuild.
2703
2704 2011-06-27  Doug Kwan  <dougkwan@google.com>
2705
2706         * arm.cc (Arm_relocate_functions::thm_jump8,
2707         Arm_relocate_functions::thm_jump11): Use a wider signed
2708         type to compute offset.
2709         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2710         arm_thm_jump8.
2711         * testsuite/Makefile.in: Regenerate.
2712         * testsuite/arm_branch_in_range.sh: Check test results of
2713         arm_thm_jump11 and arm_thm_jump8.
2714         * testsuite/arm_thm_jump11.s: New test source file.
2715         * testsuite/arm_thm_jump11.t: New linker script.
2716         * testsuite/arm_thm_jump8.s: New test source file.
2717         * testsuite/arm_thm_jump8.t: New linker script.
2718
2719 2011-06-24  Ian Lance Taylor  <iant@google.com>
2720
2721         * layout.cc: Include "object.h".
2722         (ctors_sections_in_init_array): New static variable.
2723         (Layout::is_ctors_in_init_array): New function.
2724         (Layout::layout): Add entry to ctors_sections_in_init_array if
2725         appropriate.
2726         * layout.h (class Layout): Declare is_ctors_in_init_array.
2727         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2728         is_ctors_reverse_view is set.
2729         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2730         all callers.  Set is_ctors_reverse_view field of View_size.
2731         (Sized_relobj_file::reverse_words): New function.
2732         * object.h (Sized_relobj_file::View_size): Add
2733         is_ctors_reverse_view field.
2734         (class Sized_relobj_file): Update declarations.
2735         * testsuite/initpri3.c: New test.
2736         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2737         initpri3b.
2738         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2739         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2740         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2741         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2742         * testsuite/Makefile.in: Rebuild.
2743
2744 2011-06-24  Cary Coutant  <ccoutant@google.com>
2745
2746         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2747         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2748         (debug_msg_cdebug.err): New targets.
2749         * testsuite/Makefile.in: Regenerate.
2750         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2751         Fix checks for link with shared library.
2752
2753 2011-06-24  Doug Kwan  <dougkwan@google.com>
2754
2755         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2756         skip empty text sections.
2757         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2758
2759 2011-06-22  Ian Lance Taylor  <iant@google.com>
2760
2761         PR gold/12910
2762         * options.h (class General_options): Add --ctors-in-init-array.
2763         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2764         friends as SHT_PROGBITS for merging sections.
2765         (Layout::layout): Remove special handling of .init_array and
2766         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2767         and .dtors if ctors_in_init_array.
2768         (Layout::make_output_section): Force correct section types for
2769         .init_array and friends.  Don't sort if doing relocatable link,
2770         Don't sort .ctors and .dtors if ctors_in_init_array.
2771         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2772         (Layout::output_section_name): Add relobj parameter.  Change all
2773         callers.  Handle .ctors. and .dtors. in code rather than table.
2774         Handle .ctors and .dtors if ctors_in_init_array.
2775         (Layout::match_file_name): New function, moved from output.cc.
2776         * layout.h (class Layout): Update declarations.
2777         * output.cc: Include "layout.h".
2778         (Input_section_sort_entry::get_priority): New function.
2779         (Input_section_sort_entry::match_file_name): Just call
2780         Layout::match_file_name.
2781         (Output_section::Input_section_sort_init_fini_compare::operator()):
2782         Handle .ctors and .dtors.  Sort by explicit priority rather than
2783         by name.
2784         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2785         * testsuite/initpri2.c: New test.
2786         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2787         (check_PROGRAMS): Add initpri2.
2788         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2789         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2790         * configure, testsuite/Makefile.in: Rebuild.
2791
2792 2011-06-19  Ian Lance Taylor  <iant@google.com>
2793
2794         PR gold/12880
2795         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2796         .interp section to a PT_INTERP segment even if we have seen a
2797         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2798         clause in a linker script.
2799         (Layout::finalize): Don't create a .interp section if we've
2800         already create a PT_INTERP segment.
2801         (Layout::create_interp): Always call choose_output_section (revert
2802         patch of 2011-06-17).  Don't create PT_INTERP segment.
2803         * script-sections.cc
2804         (Script_sections::create_note_and_tls_segments): Add a .interp
2805         section to a PT_INTERP segment even if we have seen a
2806         --dynamic-linker option.
2807
2808 2011-06-18  Ian Lance Taylor  <iant@google.com>
2809
2810         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2811         merely because a non-PT_LOAD segment has a dynamic reloc.
2812
2813 2011-06-18  Ian Lance Taylor  <iant@google.com>
2814
2815         * layout.cc (Layout::finish_dynamic_section): Don't create
2816         DT_FLAGS entry if not needed.
2817
2818 2011-06-18  Ian Lance Taylor  <iant@google.com>
2819
2820         PR gold/12745
2821         * layout.cc (Layout::layout_eh_frame): Correct handling of
2822         writable .eh_frame section.
2823
2824 2011-06-17  Ian Lance Taylor  <iant@google.com>
2825
2826         PR gold/12893
2827         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2828         symbol is redefined with the exact same object and value.
2829
2830 2011-06-17  Ian Lance Taylor  <iant@google.com>
2831
2832         PR gold/12880
2833         * layout.h (class Layout): Add interp_segment_ field.
2834         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2835         (Layout::attach_allocated_section_to_segment): If making shared
2836         library, put .interp section in PT_INTERP segment.
2837         (Layout::finalize): Also call create_interp if -dynamic-linker
2838         option was used.
2839         (Layout::create_interp): Assert that there is no PT_INTERP
2840         segment.  If not using a SECTIONS clause, use make_output_section.
2841         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2842         * script-sections.cc
2843         (Script_sections::create_note_and_tls_segments): If making shared
2844         library, put .interp section in PT_INTERP segment.
2845
2846 2011-06-17  Ian Lance Taylor  <iant@google.com>
2847
2848         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2849         when making a shared library.
2850
2851 2011-06-17  Ian Lance Taylor  <iant@google.com>
2852
2853         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2854         parameter.  Change all callers.  Don't issue warning about PC32
2855         against locally defined symbol.
2856
2857 2011-06-16  Ian Lance Taylor  <iant@google.com>
2858
2859         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2860         occurs in same object.
2861
2862 2011-06-14  Alan Modra  <amodra@gmail.com>
2863
2864         * po/POTFILES.in: Regenerate.
2865
2866 2011-06-09  Ian Lance Taylor  <iant@google.com>
2867
2868         * script-sections.cc
2869         (Orphan_output_section::set_section_addresses): For a relocatable
2870         link set address to 0.
2871
2872 2011-06-09  Cary Coutant  <ccoutant@google.com>
2873
2874         PR gold/12804
2875         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2876         used with --compress-debug-sections.
2877         * gold/object.cc (Sized_relobj_file::do_layout): Report
2878         uncompressed size of compressed input sections.
2879
2880 2011-06-08  Cary Coutant  <ccoutant@google.com>
2881
2882         PR gold/12804
2883         * testsuite/two_file_test_2_v1.cc: Change initialization of
2884         v2 to keep it in .data.
2885
2886 2011-06-07  Cary Coutant  <ccoutant@google.com>
2887
2888         * common.cc (Symbol_table::do_allocate_commons_list): Call
2889         gold_fallback.
2890         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2891         (Errors::fallback): New function.
2892         (gold_fallback): New function.
2893         * errors.h (Errors::fallback): New function.
2894         * gold.cc (gold_exit): Change status parameter to enum; adjust
2895         all callers.
2896         (queue_initial_tasks): Call gold_fallback.
2897         * gold.h: Include cstdlib.
2898         (Exit_status): New enum type.
2899         (gold_exit): Change status parameter to enum.
2900         (gold_fallback): New function.
2901         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2902         (Layout::create_symtab_sections): Likewise.
2903         (Layout::create_shdrs): Likewise.
2904         * main.cc (main): Adjust call to gold_exit.
2905         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2906         (Output_data_got::add_got_entry_pair): Likewise.
2907         (Output_section::add_input_section): Likewise.
2908         (Output_section::add_output_section_data): Likewise.
2909         (Output_segment::set_section_list_addresses): Likewise.
2910         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2911
2912 2011-06-07  Cary Coutant  <ccoutant@google.com>
2913
2914         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2915         for incremental links.
2916         * output.cc (Output_segment::set_section_list_addresses): Remove
2917         FIXME and test for TLS or BSS.
2918
2919 2011-06-07  Cary Coutant  <ccoutant@google.com>
2920
2921         * testsuite/Makefile.am: Add incremental_copy_test,
2922         incremental_common_test_1.
2923         * testsuite/Makefile.in: Regenerate.
2924         * testsuite/common_test_1_v1.c: New source file.
2925         * testsuite/common_test_1_v2.c: New source file.
2926         * testsuite/copy_test_v1.cc: New source file.
2927
2928 2011-06-07  Cary Coutant  <ccoutant@google.com>
2929
2930         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2931         update, allocate common from bss section's free list.
2932         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2933         linker-defined symbols.
2934         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2935         Skip GOT and PLT entries that are no longer referenced.
2936         (Output_section_incremental_inputs::write_info_blocks): Mark
2937         linker-defined symbols.
2938         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2939         * output.cc (Output_section::allocate): New function.
2940         * output.h (Output_section::allocate): New function.
2941         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2942         linker-defined symbols.
2943         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2944         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2945         (Symbol::init_base_output_data): Likewise.
2946         (Symbol::init_base_output_segment): Likewise.
2947         (Symbol::init_base_constant): Likewise.
2948         (Sized_symbol::init_output_data): Likewise.
2949         (Sized_symbol::init_output_segment): Likewise.
2950         (Sized_symbol::init_constant): Likewise.
2951         (Symbol_table::do_define_in_output_data): Likewise.
2952         (Symbol_table::do_define_in_output_segment): Likewise.
2953         (Symbol_table::do_define_as_constant): Likewise.
2954         * symtab.h (Symbol::is_predefined): New function.
2955         (Symbol::init_base_output_data): Add is_predefined parameter.
2956         (Symbol::init_base_output_segment): Likewise.
2957         (Symbol::init_base_constant): Likewise.
2958         (Symbol::is_predefined_): New data member.
2959         (Sized_symbol::init_output_data): Add is_predefined parameter.
2960         (Sized_symbol::init_output_segment): Likewise.
2961         (Sized_symbol::init_constant): Likewise.
2962         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2963
2964 2011-06-07  Cary Coutant  <ccoutant@google.com>
2965
2966         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2967         instead of emit_copy_reloc.
2968         (Copy_relocs::emit_copy_reloc): Refactor.
2969         (Copy_relocs::make_copy_reloc): New function.
2970         (Copy_relocs::add_copy_reloc): Remove.
2971         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2972         section.
2973         (Copy_relocs::make_copy_reloc): New function.
2974         (Copy_relocs::add_copy_reloc): Remove.
2975         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2976         unchanged input files.
2977         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2978         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2979         Reserve BSS space for COPY relocations.
2980         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2981         (Output_section_incremental_inputs::write_info_blocks): Record
2982         whether a symbol is copied from a shared object.
2983         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2984         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2985         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2986         (Incremental_input_entry_reader::get_output_symbol_index): Add
2987         is_copy parameter.
2988         (Incremental_binary::emit_copy_relocs): New function.
2989         (Incremental_binary::do_emit_copy_relocs): New function.
2990         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2991         new data member.
2992         (Sized_incremental_binary::add_copy_reloc): New function.
2993         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2994         (Sized_incremental_binary::Copy_reloc): New struct.
2995         (Sized_incremental_binary::Copy_relocs): New typedef.
2996         (Sized_incremental_binary::copy_relocs_): New data member.
2997         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2998         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2999         * target.h (Sized_target::emit_copy_reloc): New function.
3000         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3001
3002 2011-06-02  Cary Coutant  <ccoutant@google.com>
3003
3004         PR gold/12163
3005         * gold/archive.cc (Archive::Archive): Initialize new data member.
3006         (Archive::include_all_members): Return if archive has already been
3007         included.
3008         * gold/archive.h (Archive::include_all_members_): New data member.
3009
3010 2011-06-02  Nick Clifton  <nickc@redhat.com>
3011
3012         * dynobj.h: Fix spelling mistake in comment.
3013         * output.cc: Likewise.
3014
3015 2011-05-31  Doug Kwan  <dougkwan@google.com>
3016             Asier Llano
3017
3018         PR gold/12826
3019         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3020         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3021         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3022         redundant arm_exidx_test.so.
3023         * testsuite/Makefile.in: Regenerate.
3024         (check_SCRIPTS): Add pr12826.sh
3025         (check_DATA): Add pr12826.stdout
3026         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3027         * testsuite/pr12826.sh: New file.
3028         * testsuite/pr12826_1.s: Ditto.
3029         * testsuite/pr12826_1.s: Ditto.
3030
3031 2011-05-30  Ian Lance Taylor  <iant@google.com>
3032
3033         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3034         sections.
3035
3036 2011-05-29  Ian Lance Taylor  <iant@google.com>
3037
3038         PR gold/12804
3039         * testsuite/Makefile.am: Use different file name for two_file_test
3040         temporary file for each incremental test.
3041         * testsuite/Makefile.in: Rebuild.
3042
3043 2011-05-29  Ian Lance Taylor  <iant@google.com>
3044
3045         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3046         binary input file is empty.
3047
3048 2011-05-27  Ian Lance Taylor  <iant@google.com>
3049
3050         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3051         (ver_test_9.so): Likewise.
3052         * testsuite/Makefile.in: Rebuild.
3053
3054 2011-05-26 Cary Coutant  <ccoutant@google.com>
3055
3056         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3057         * incremental.cc (Incremental_inputs::report_input_section): Fix
3058         comment, indentation.
3059         (Incremental_inputs::report_comdat_group): New function.
3060         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3061         of data for incremental input file entry.
3062         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3063         group count, COMDAT group signatures.
3064         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3065         an unchanged input file.
3066         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3067         Initialize new data member.
3068         (Incremental_object_entry::add_comdat_group): New function.
3069         (Incremental_object_entry::get_comdat_group_count): New function.
3070         (Incremental_object_entry::get_comdat_signature_key): New function.
3071         (Incremental_object_entry::groups_): New data member.
3072         (Incremental_inputs::report_comdat_group): New function.
3073         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3074         data for incremental input file entry.
3075         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3076         (Incremental_input_entry_reader::get_input_section): Adjust size of
3077         data for incremental input file entry.
3078         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3079         (Incremental_input_entry_reader::get_comdat_group_signature): New
3080         function.
3081         * object.cc (Sized_relobj::include_section_group): Report kept
3082         COMDAT groups for incremental links.
3083
3084 2011-05-24  David Meyer  <pdox@google.com>
3085
3086         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3087         with name parameter.  Add found_name parameter.
3088         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3089         * dirsearch.h (class Dirsearch): Update declaration.
3090
3091 2011-05-24  Ian Lance Taylor  <iant@google.com>
3092
3093         * archive.cc (Library_base::should_include_member): Pull in object
3094         from archive if it defines the entry symbol.
3095         * parameters.cc (Parameters::entry): New function.
3096         * parameters.h (class Parameters): Declare entry.
3097         * output.h (class Output_file_header): Remove entry_ field.
3098         * output.cc (Output_file_header::Output_file_header): Remove entry
3099         parameter.  Change all callers.
3100         (Output_file_header::entry): Use parameters->entry.
3101         * gold.cc (queue_middle_tasks): Likewise.
3102         * plugin.cc (Plugin_hook::run): Likewise.
3103
3104 2011-05-24 Cary Coutant  <ccoutant@google.com>
3105
3106         * gold.cc (queue_initial_tasks): Pass incremental base filename
3107         to Output_file::open_base_file; don't print error message.
3108         * incremental-dump.cc (main): Adjust call to
3109         Output_file::open_for_modification.
3110         * incremental-dump.cc (main): Likewise.
3111         * incremental.cc (Incremental_inputs::report_command_line):
3112         Ignore --incremental-base option when comparing command lines.
3113         Ignore parameter when given as separate argument.
3114         * options.h (class General_options): Add --incremental-base.
3115         * output.cc (Output_file::Output_file):
3116         (Output_file::open_base_file): Add base_name and writable parameters;
3117         read base file into new file; print error message here.
3118         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3119         callers.
3120         * output.h (Output_file::open_for_modification): Rename to...
3121         (Output_file::open_base_file): ...this; add base_name and
3122         writable parameters; adjust all callers.
3123         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3124         callers.
3125         * testsuite/Makefile.am (incremental_test_4): Test
3126         --incremental-base.
3127         * testsuite/Makefile.in: Regenerate.
3128
3129 2011-05-24 Cary Coutant  <ccoutant@google.com>
3130
3131         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3132         incremental_test_4.
3133         * testsuite/Makefile.in: Regenerate.
3134         * testsuite/two_file_test_1_v1.cc: New test source file.
3135         * testsuite/two_file_test_1b_v1.cc: New test source file.
3136         * testsuite/two_file_test_2_v1.cc: New test source file.
3137
3138 2011-05-24 Cary Coutant  <ccoutant@google.com>
3139
3140         * dynobj.h (Dynobj::do_dynobj): New function.
3141         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3142         flag and soname for shared objects.
3143         * incremental.cc (Incremental_inputs::report_object): Make
3144         either Incremental_object_entry or Incremental_dynobj_entry; add
3145         soname to string table.
3146         (Incremental_inputs::report_input_section): Add assertion.
3147         (Output_section_incremental_inputs::set_final_data_size): Adjust
3148         type of input file entry for shared libraries; adjust size of
3149         shared library info entry.
3150         (Output_section_incremental_inputs::write_input_files): Write
3151         as_needed flag for shared libraries.
3152         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3153         of input file entry for shared libraries; write soname.
3154         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3155         soname from incremental info.
3156         * incremental.h (enum Incremental_input_flags): Add
3157         INCREMENTAL_INPUT_AS_NEEDED.
3158         (Incremental_input_entry::Incremental_input_entry): Initialize new
3159         data member.
3160         (Incremental_input_entry::set_as_needed): New function.
3161         (Incremental_input_entry::as_needed): New function.
3162         (Incremental_input_entry::do_dynobj_entry): New function.
3163         (Incremental_input_entry::as_needed_): New data member.
3164         (Incremental_object_entry::Incremental_object_entry): Don't check
3165         for shared library.
3166         (Incremental_object_entry::do_type): Likewise.
3167         (class Incremental_dynobj_entry): New class.
3168         (Incremental_input_entry_reader::as_needed): New function.
3169         (Incremental_input_entry_reader::get_soname): New function.
3170         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3171         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3172         size of shared library info entry.
3173         * layout.cc (Layout::finish_dynamic_section): Don't test for
3174         incremental link when adding DT_NEEDED entries.
3175         * object.h (Object::Object): Initialize new data member.
3176         (Object::dynobj): New function.
3177         (Object::set_as_needed): New function.
3178         (Object::as_needed): New function.
3179         (Object::do_dynobj): New function.
3180         (Object::as_needed_): New data member.
3181
3182 2011-05-24 Cary Coutant  <ccoutant@google.com>
3183
3184         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3185         info; adjust display of GOT entries.
3186         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3187         vector of input objects; remove file_status_.
3188         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3189         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3190         got_plt reader; call target hooks to reserve GOT entries.
3191         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3192         of input file info header and GOT info entry.
3193         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3194         relocation info.
3195         (Got_plt_view_info::got_descriptor): Remove.
3196         (Got_plt_view_info::sym_index): New data member.
3197         (Got_plt_view_info::input_index): New data member.
3198         (Local_got_offset_visitor::visit): Write input file index.
3199         (Global_got_offset_visitor::visit): Write 0 for input file index.
3200         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3201         with sym_index and input_index.
3202         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3203         incremental info GOT entry; replace got_descriptor with input_index.
3204         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3205         map from input file index to object.
3206         (Sized_relobj_incr::do_layout): Replace direct data member reference
3207         with accessor function.
3208         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3209         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3210         Adjust size of input file info header.
3211         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3212         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3213         (Incremental_input_entry_reader::get_input_section): Adjust size of
3214         input file info header.
3215         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3216         of incremental info GOT entry.
3217         (Incremental_got_plt_reader::get_got_desc): Remove.
3218         (Incremental_got_plt_reader::get_got_symndx): New function.
3219         (Incremental_got_plt_reader::get_got_input_index): New function.
3220         (Sized_incremental_binary::Sized_incremental_binary): Remove
3221         file_status_; add input_objects_.
3222         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3223         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3224         (Sized_incremental_binary::file_is_unchanged): Remove.
3225         (Sized_incremental_binary::set_input_object): New function.
3226         (Sized_incremental_binary::input_object): New function.
3227         (Sized_incremental_binary::file_status_): Remove.
3228         (Sized_incremental_binary::input_objects_): New data member.
3229         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3230         references.
3231         (Sized_relobj_incr::invalid_address): Move to base class.
3232         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3233         class.
3234         (Sized_relobj_incr::do_output_section_offset): Likewise.
3235         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3236         (Sized_relobj_incr::section_offsets_): Likewise.
3237         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3238         function.
3239         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3240         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3241         with accessor function.
3242         (Sized_relobj_file::do_layout): Likewise.
3243         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3244         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3245         (Sized_relobj_file::compute_final_local_value): Replace refs to
3246         section_offsets_ with accessor function.
3247         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3248         * object.h (Relobj::Relobj): Initialize new data members.
3249         (Relobj::add_dyn_reloc): New function.
3250         (Relobj::first_dyn_reloc): New function.
3251         (Relobj::dyn_reloc_count): New function.
3252         (Relobj::first_dyn_reloc_): New data member.
3253         (Relobj::dyn_reloc_count_): New data member.
3254         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3255         references.
3256         (Sized_relobj::Address): New typedef.
3257         (Sized_relobj::invalid_address): Move here from child class.
3258         (Sized_relobj::Sized_relobj): Initialize new data members.
3259         (Sized_relobj::sized_relobj): New function.
3260         (Sized_relobj::is_output_section_offset_invalid): Move here from
3261         child class.
3262         (Sized_relobj::get_output_section_offset): Likewise.
3263         (Sized_relobj::local_has_got_offset): Likewise.
3264         (Sized_relobj::local_got_offset): Likewise.
3265         (Sized_relobj::set_local_got_offset): Likewise.
3266         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3267         (Sized_relobj::clear_got_offsets): New function.
3268         (Sized_relobj::section_offsets): Move here from child class.
3269         (Sized_relobj::do_output_section_offset): Likewise.
3270         (Sized_relobj::do_set_section_offset): Likewise.
3271         (Sized_relobj::Local_got_offsets): Likewise.
3272         (Sized_relobj::local_got_offsets_): Likewise.
3273         (Sized_relobj::section_offsets_): Likewise.
3274         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3275         references.
3276         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3277         class.
3278         (Sized_relobj_file::sized_relobj): New function
3279         (Sized_relobj_file::local_has_got_offset): Move to base class.
3280         (Sized_relobj_file::local_got_offset): Likewise.
3281         (Sized_relobj_file::set_local_got_offset): Likewise.
3282         (Sized_relobj_file::get_output_section_offset): Likewise.
3283         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3284         (Sized_relobj_file::do_output_section_offset): Likewise.
3285         (Sized_relobj_file::do_set_section_offset): Likewise.
3286         (Sized_relobj_file::Local_got_offsets): Likewise.
3287         (Sized_relobj_file::local_got_offsets_): Likewise.
3288         (Sized_relobj_file::section_offsets_): Likewise.
3289         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3290         (all constructors).
3291         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3292         (Output_reloc::get_symbol_index): Likewise.
3293         (Output_reloc::local_section_offset): Likewise.
3294         (Output_reloc::get_address): Likewise.
3295         (Output_reloc::symbol_value): Likewise.
3296         (Output_data_got::reserve_slot): Move to class definition.
3297         (Output_data_got::reserve_local): New function.
3298         (Output_data_got::reserve_slot_for_global): Remove.
3299         (Output_data_got::reserve_global): New function.
3300         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3301         (all constructors, two instantiations).
3302         (Output_reloc::get_relobj): New function (two instantiations).
3303         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3304         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3305         (Output_data_reloc::add_global): Adjust type of relobj.
3306         (Output_data_reloc::add_global_relative): Likewise.
3307         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3308         (Output_data_reloc::add_local): Likewise.
3309         (Output_data_reloc::add_local_relative): Likewise.
3310         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3311         (Output_data_reloc::add_local_section): Likewise.
3312         (Output_data_reloc::add_output_section): Likewise.
3313         (Output_data_reloc::add_absolute): Likewise.
3314         (Output_data_reloc::add_target_specific): Likewise.
3315         (Output_data_got::reserve_slot): Move definition here.
3316         (Output_data_got::reserve_local): New function.
3317         (Output_data_got::reserve_global): New function.
3318         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3319         section_offsets_ with accessor function.
3320         (Sized_relobj_file::write_sections): Likewise.
3321         (Sized_relobj_file::do_relocate_sections): Likewise.
3322         * target.h (Sized_target::reserve_local_got_entry): New function.
3323         (Sized_target::reserve_global_got_entry): New function.
3324         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3325         (Target_x86_64::reserve_global_got_entry): New function.
3326         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3327
3328 2011-05-23 Cary Coutant  <ccoutant@google.com>
3329
3330         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3331         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3332         bit when checking got_type.
3333         * incremental.cc (Sized_incremental_binary::setup_readers):
3334         Store symbol table and string table locations; initialize bit vector
3335         of file status flags.
3336         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3337         unchanged files.
3338         (Sized_incremental_binary::do_process_got_plt): New function.
3339         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3340         (Output_section_incremental_inputs::set_final_data_size): Record
3341         file index for each input file.
3342         (Output_section_incremental_inputs::write_got_plt): Store file index
3343         instead of input entry offset for each GOT entry.
3344         * incremental.h
3345         (Incremental_input_entry::Incremental_input_entry): Initialize new
3346         data member.
3347         (Incremental_input_entry::set_offset): Store file index.
3348         (Incremental_input_entry::get_file_index): New function.
3349         (Incremental_input_entry::file_index_): New data member.
3350         (Incremental_binary::process_got_plt): New function.
3351         (Incremental_binary::do_process_got_plt): New function.
3352         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3353         data members.
3354         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3355         (Sized_incremental_binary::set_file_is_unchanged): New function.
3356         (Sized_incremental_binary::file_is_unchanged): New function.
3357         (Sized_incremental_binary::do_process_got_plt): New function.
3358         (Sized_incremental_binary::file_status_): New data member.
3359         (Sized_incremental_binary::main_symtab_loc_): New data member.
3360         (Sized_incremental_binary::main_strtab_loc_): New data member.
3361         * output.cc (Output_data_got::Got_entry::write): Add case
3362         RESERVED_CODE.
3363         (Output_data_got::add_global): Call add_got_entry.
3364         (Output_data_got::add_global_plt): Likewise.
3365         (Output_data_got::add_global_with_rel): Likewise.
3366         (Output_data_got::add_global_with_rela): Likewise.
3367         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3368         (Output_data_got::add_global_pair_with_rela): Likewise.
3369         (Output_data_got::add_local): Call add_got_entry.
3370         (Output_data_got::add_local_plt): Likewise.
3371         (Output_data_got::add_local_with_rel): Likewise.
3372         (Output_data_got::add_local_with_rela): Likewise.
3373         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3374         (Output_data_got::add_local_pair_with_rela): Likewise.
3375         (Output_data_got::reserve_slot): New function.
3376         (Output_data_got::reserve_slot_for_global): New function.
3377         (Output_data_got::add_got_entry): New function.
3378         (Output_data_got::add_got_entry_pair): New function.
3379         (Output_section::add_output_section_data): Edit FIXME.
3380         * output.h
3381         (Output_section_data_build::Output_section_data_build): New
3382         constructor with size parameter.
3383         (Output_data_space::Output_data_space): Likewise.
3384         (Output_data_got::Output_data_got): Initialize new data member; new
3385         constructor with size parameter.
3386         (Output_data_got::add_constant): Call add_got_entry.
3387         (Output_data_got::reserve_slot): New function.
3388         (Output_data_got::reserve_slot_for_global): New function.
3389         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3390         (Output_data_got::add_got_entry): New function.
3391         (Output_data_got::add_got_entry_pair): New function.
3392         (Output_data_got::free_list_): New data member.
3393         * target.h (Sized_target::init_got_plt_for_update): New function.
3394         (Sized_target::register_global_plt_entry): New function.
3395         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3396         Initialize new data member; call init; add constructor with PLT count.
3397         (Output_data_plt_x86_64::init): New function.
3398         (Output_data_plt_x86_64::add_relocation): New function.
3399         (Output_data_plt_x86_64::reserve_slot): New function.
3400         (Output_data_plt_x86_64::free_list_): New data member.
3401         (Target_x86_64::init_got_plt_for_update): New function.
3402         (Target_x86_64::register_global_plt_entry): New function.
3403         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3404         incremental updates.
3405         (Output_data_plt_x86_64::add_relocation): New function.
3406         * testsuite/object_unittest.cc (Object_test): Set default options.
3407
3408 2011-05-16  Ian Lance Taylor  <iant@google.com>
3409
3410         * options.h (class General_options): Make -i a synonym for -r.
3411
3412 2011-05-16  Ian Lance Taylor  <iant@google.com>
3413
3414         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3415
3416 2011-05-10 Cary Coutant  <ccoutant@google.com>
3417
3418         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3419         strip_all (-s).
3420
3421 2011-05-06  Ian Lance Taylor  <iant@google.com>
3422
3423         * layout.cc (Layout::layout): If the output section flags change,
3424         update the ordering.
3425
3426 2011-04-25 Cary Coutant  <ccoutant@google.com>
3427
3428         * incremental-dump.cc (dump_incremental_inputs): Print local
3429         symbol info for each input file.
3430         * incremental.cc
3431         (Output_section_incremental_inputs::set_final_data_size): Add local
3432         symbol info to input file entries in incremental info.
3433         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3434         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3435         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3436         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3437         implementation.
3438         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3439         (Sized_incr_relobj::do_relocate): Write the local symbols.
3440         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3441         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3442         Adjust size of input file header.
3443         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3444         (Incremental_inputs_reader::get_local_symbol_count): New function.
3445         (Incremental_inputs_reader::get_input_section): Adjust size of input
3446         file header.
3447         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3448         (Sized_incr_relobj::This): New typedef.
3449         (Sized_incr_relobj::sym_size): New const data member.
3450         (Sized_incr_relobj::Local_symbol): New struct.
3451         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3452         (Sized_incr_relobj::do_local_symbol_offset): New function.
3453         (Sized_incr_relobj::local_symbol_count_): New data member.
3454         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3455         (Sized_incr_relobj::local_symbol_index_): New data member.
3456         (Sized_incr_relobj::local_symbol_offset_): New data member.
3457         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3458         (Sized_incr_relobj::local_symbols_): New data member.
3459         * object.h (Relobj::output_local_symbol_count): New function.
3460         (Relobj::local_symbol_offset): New function.
3461         (Relobj::do_output_local_symbol_count): New function.
3462         (Relobj::do_local_symbol_offset): New function.
3463         (Sized_relobj::do_output_local_symbol_count): New function.
3464         (Sized_relobj::do_local_symbol_offset): New function.
3465
3466 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3467
3468         * descriptors.cc (set_close_on_exec): New function.
3469         (Descriptors::open): Use set_close_on_exec.
3470         * output.cc (S_ISLNK): Define if not defined.
3471
3472 2011-04-22 Cary Coutant  <ccoutant@google.com>
3473
3474         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3475         global symbol map.
3476         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3477         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3478         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3479         relocations.
3480         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3481         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3482         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3483         * incremental.h
3484         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3485         function.
3486         (Incremental_binary::apply_incremental_relocs): New function.
3487         (Incremental_binary::do_apply_incremental_relocs): New function.
3488         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3489         data member.
3490         (Sized_incremental_binary::add_global_symbol): New function.
3491         (Sized_incremental_binary::global_symbol): New function.
3492         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3493         (Sized_incremental_binary::symbol_map_): New data member.
3494         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3495         * target.h (Sized_target::apply_relocation): New function.
3496         * target-reloc.h (apply_relocation): New function.
3497         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3498
3499 2011-04-22  Doug Kwan  <dougkwan@google.com>
3500
3501         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3502         flag of a SHT_ARM_EXIDX section.
3503         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3504         * testsuite/Makefile.in: Regenerate.
3505         * testsuite/arm_exidx_test.s: New file.
3506         * testsuite/arm_exidx_test.sh: Same.
3507
3508 2011-04-20 Cary Coutant  <ccoutant@google.com>
3509
3510         PR gold/12689
3511         * archive.h (Incremental_archive_entry::Archive_member):
3512         Initialize arg_serial_ (second constructor).
3513
3514 2011-04-17  Ian Lance Taylor  <iant@google.com>
3515
3516         * object.cc (Relocate_info::location): Simplify location string.
3517         * errors.cc (Errors::error_at_location): Don't print program
3518         name.
3519         (Errors::warning_at_location): Likewise.
3520         (Errors::undefined_symbol): Likewise.
3521         * testsuite/debug_msg.sh: Update accordingly.
3522
3523 2011-04-14 Cary Coutant  <ccoutant@google.com>
3524
3525         * gold/layout.cc (Layout::symtab_section_offset): New function.
3526         * gold/layout.h (Layout::symtab_section_offset): New function.
3527         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3528
3529 2011-04-12  Ian Lance Taylor  <iant@google.com>
3530
3531         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3532         with MREMAP_MAYMOVE.
3533         * output.h (class Output_file): Add map_is_allocated_ field.
3534         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3535         not available, provide stubs.  If mremap is not available, #define
3536         it to gold_mremap.
3537         (MREMAP_MAYMOVE): Define if not defined.
3538         (Output_file::Output_file): Initialize map_is_allocated_.
3539         (Output_file::resize): Check map_is_allocated_.
3540         (Output_file::map_anonymous): If mmap fails, use malloc.
3541         (Output_file::unmap): Don't do anything for an anonymous map.
3542         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3543         is not available, provide stubs.
3544         (File_read::View::~View): Use free rather than delete[].
3545         (File_read::make_view): Use malloc rather than new[].  If mmap
3546         fails, use malloc.
3547         (File_read::find_or_make_view): Use malloc rather than new[].
3548         * gold.h: Remove HAVE_REMAP code.
3549         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3550         exists.  Rename mremap to gold_mremap.  If mmap is not available
3551         don't do anything.
3552         * configure, config.in: Rebuild.
3553
3554 2011-04-11  Ian Lance Taylor  <iant@google.com>
3555
3556         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3557         initialize local variable v.
3558
3559 2011-04-11  Cary Coutant  <ccoutant@google.com>
3560
3561         * archive.cc (Archive::include_member): Adjust call to
3562         report_object.
3563         (Add_archive_symbols::run): Track argument serial numbers.
3564         (Lib_group::include_member): Likewise.
3565         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3566         * archive.h (Incremental_archive_entry::Archive_member):
3567         Initialize arg_serial_.
3568         (Archive_member::arg_serial_): New data member.
3569         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3570         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3571         incremental link.
3572         (Sized_dynobj::do_for_all_local_got_entries): New function.
3573         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3574         function.
3575         * fileread.cc (get_mtime): New function.
3576         * fileread.h (get_mtime): New function.
3577         * gold.cc (queue_initial_tasks): Check for incremental update.
3578         (process_incremental_input): New function.
3579         (queue_middle_tasks): Don't force valid target for incremental
3580         update.
3581         * incremental-dump.cc (find_input_containing_global): Adjust
3582         size of symbol info entry.
3583         (dump_incremental_inputs): Dump argument serial number and
3584         in_system_directory flag; bias shndx by 1; print symbol names
3585         when dumping per-file symbol lists; use new symbol info readers.
3586         * incremental.cc
3587         (Output_section_incremental_inputs:update_data_size): New function.
3588         (Sized_incremental_binary::setup_readers): Setup input readers
3589         for each input file; build maps for files added from libraries
3590         and scripts.
3591         (Sized_incremental_binary::check_input_args): New function.
3592         (Sized_incremental_binary::do_check_inputs): Build map of argument
3593         serial numbers to input arguments.
3594         (Sized_incremental_binary::do_file_has_changed): Rename
3595         do_file_is_unchanged to this; compare file modification times.
3596         (Sized_incremental_binary::do_init_layout): New function.
3597         (Sized_incremental_binary::do_reserve_layout): New function.
3598         (Sized_incremental_binary::do_get_input_reader): Remove.
3599         (Sized_incremental_binary::get_symtab_view): New function.
3600         (Incremental_checker::can_incrementally_link_output_file): Remove.
3601         (Incremental_inputs::report_command_line): Exclude --debug options.
3602         (Incremental_inputs::report_archive_begin): Add parameter; track
3603         argument serial numbers; don't put input file entry for archive
3604         before archive members.
3605         (Incremental_inputs::report_archive_end): Put input file entry
3606         for archive after archive members.
3607         (Incremental_inputs::report_object): Add parameter; track argument
3608         serial numbers and in_system_directory flag.
3609         (Incremental_inputs::report_script): Add parameter; track argument
3610         serial numbers.
3611         (Output_section_incremental_inputs::set_final_data_size): Adjust
3612         size of symbol info entry; check for forwarding symbols.
3613         (Output_section_incremental_inputs::write_input_files): Write
3614         in_system_directory flag and argument serial number.
3615         (Output_section_incremental_inputs::write_info_blocks): Map section
3616         indices between incremental info and original input file; store
3617         input section index for each symbol.
3618         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3619         change operator() to visit().
3620         (class Global_got_offset_visitor): Likewise.
3621         (class Global_symbol_visitor_got_plt):
3622         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3623         classes.
3624         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3625         (Sized_incr_relobj::do_read_symbols): New function.
3626         (Sized_incr_relobj::do_layout): New function.
3627         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3628         (Sized_incr_relobj::do_add_symbols): New function.
3629         (Sized_incr_relobj::do_should_include_member): New function.
3630         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3631         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3632         (Sized_incr_relobj::do_section_size): New function.
3633         (Sized_incr_relobj::do_section_name): New function.
3634         (Sized_incr_relobj::do_section_contents): New function.
3635         (Sized_incr_relobj::do_section_flags): New function.
3636         (Sized_incr_relobj::do_section_entsize): New function.
3637         (Sized_incr_relobj::do_section_address): New function.
3638         (Sized_incr_relobj::do_section_type): New function.
3639         (Sized_incr_relobj::do_section_link): New function.
3640         (Sized_incr_relobj::do_section_info): New function.
3641         (Sized_incr_relobj::do_section_addralign): New function.
3642         (Sized_incr_relobj::do_initialize_xindex): New function.
3643         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3644         (Sized_incr_relobj::do_read_relocs): New function.
3645         (Sized_incr_relobj::do_gc_process_relocs): New function.
3646         (Sized_incr_relobj::do_scan_relocs): New function.
3647         (Sized_incr_relobj::do_count_local_symbols): New function.
3648         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3649         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3650         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3651         (Sized_incr_relobj::do_relocate): New function.
3652         (Sized_incr_relobj::do_set_section_offset): New function.
3653         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3654         (Sized_incr_dynobj::do_read_symbols): New function.
3655         (Sized_incr_dynobj::do_layout): New function.
3656         (Sized_incr_dynobj::do_add_symbols): New function.
3657         (Sized_incr_dynobj::do_should_include_member): New function.
3658         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3659         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3660         (Sized_incr_dynobj::do_section_size): New function.
3661         (Sized_incr_dynobj::do_section_name): New function.
3662         (Sized_incr_dynobj::do_section_contents): New function.
3663         (Sized_incr_dynobj::do_section_flags): New function.
3664         (Sized_incr_dynobj::do_section_entsize): New function.
3665         (Sized_incr_dynobj::do_section_address): New function.
3666         (Sized_incr_dynobj::do_section_type): New function.
3667         (Sized_incr_dynobj::do_section_link): New function.
3668         (Sized_incr_dynobj::do_section_info): New function.
3669         (Sized_incr_dynobj::do_section_addralign): New function.
3670         (Sized_incr_dynobj::do_initialize_xindex): New function.
3671         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3672         (make_sized_incremental_object): New function.
3673         (Incremental_library::copy_unused_symbols): New function.
3674         (Incremental_library::do_for_all_unused_symbols): New function.
3675         * incremental.h (enum Incremental_input_flags): New type.
3676         (class Incremental_checker): Remove.
3677         (Incremental_input_entry::Incremental_input_entry): Add argument
3678         serial number.
3679         (Incremental_input_entry::arg_serial): New function.
3680         (Incremental_input_entry::set_is_in_system_directory): New function.
3681         (Incremental_input_entry::is_in_system_directory): New function.
3682         (Incremental_input_entry::arg_serial_): New data member.
3683         (Incremental_input_entry::is_in_system_directory_): New data member.
3684         (class Script_info): Move here from script.h.
3685         (Script_info::Script_info): Add filename parameter.
3686         (Script_info::filename): New function.
3687         (Script_info::filename_): New data member.
3688         (Incremental_script_entry::Incremental_script_entry): Add argument
3689         serial number.
3690         (Incremental_object_entry::Incremental_object_entry): Likewise.
3691         (Incremental_object_entry::add_input_section): Build list of input
3692         sections with map to original shndx.
3693         (Incremental_object_entry::get_input_section_index): New function.
3694         (Incremental_object_entry::shndx_): New data member.
3695         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3696         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3697         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3698         serial number.
3699         (Incremental_inputs::report_archive_begin): Likewise.
3700         (Incremental_inputs::report_object): Likewise.
3701         (Incremental_inputs::report_script): Likewise.
3702         (class Incremental_global_symbol_reader): New class.
3703         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3704         and store flags and input file type.
3705         (Incremental_input_entry_reader::arg_serial): New function.
3706         (Incremental_input_entry_reader::type): Extract type from flags.
3707         (Incremental_input_entry_reader::is_in_system_directory): New function.
3708         (Incremental_input_entry_reader::get_input_section_count): Call
3709         accessor function for type.
3710         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3711         function for type; adjust size of global symbol entry.
3712         (Incremental_input_entry_reader::get_global_symbol_count): Call
3713         accessor function for type.
3714         (Incremental_input_entry_reader::get_object_count): Likewise.
3715         (Incremental_input_entry_reader::get_object_offset): Likewise.
3716         (Incremental_input_entry_reader::get_member_count): Likewise.
3717         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3718         (Incremental_input_entry_reader::get_member_offset): Likewise.
3719         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3720         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3721         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3722         (Incremental_input_entry_reader::get_global_symbol_reader): New
3723         function.
3724         (Incremental_input_entry_reader::get_output_symbol_index): New
3725         function.
3726         (Incremental_input_entry_reader::type_): Remove.
3727         (Incremental_input_entry_reader::flags_): New data member.
3728         (Incremental_inputs_reader::input_file_offset): New function.
3729         (Incremental_inputs_reader::input_file_index): New function.
3730         (Incremental_inputs_reader::input_file): Call input_file_offset.
3731         (Incremental_inputs_reader::input_file_at_offset): New function.
3732         (Incremental_relocs_reader::get_r_type): Reformat.
3733         (Incremental_relocs_reader::get_r_shndx): Reformat.
3734         (Incremental_relocs_reader::get_r_offset): Reformat.
3735         (Incremental_relocs_reader::data): New function.
3736         (Incremental_binary::Incremental_binary): Initialize new data members.
3737         (Incremental_binary::check_inputs): Add cmdline parameter.
3738         (Incremental_binary::file_is_unchanged): Remove.
3739         (Input_reader::arg_serial): New function.
3740         (Input_reader::get_unused_symbol_count): New function.
3741         (Input_reader::get_unused_symbol): New function.
3742         (Input_reader::do_arg_serial): New function.
3743         (Input_reader::do_get_unused_symbol_count): New function.
3744         (Input_reader::do_get_unused_symbol): New function.
3745         (Incremental_binary::input_file_count): New function.
3746         (Incremental_binary::get_input_reader): Change signature to use
3747         index instead of filename.
3748         (Incremental_binary::file_has_changed): New function.
3749         (Incremental_binary::get_input_argument): New function.
3750         (Incremental_binary::get_library): New function.
3751         (Incremental_binary::get_script_info): New function.
3752         (Incremental_binary::init_layout): New function.
3753         (Incremental_binary::reserve_layout): New function.
3754         (Incremental_binary::output_file): New function.
3755         (Incremental_binary::do_check_inputs): New function.
3756         (Incremental_binary::do_file_is_unchanged): Remove.
3757         (Incremental_binary::do_file_has_changed): New function.
3758         (Incremental_binary::do_init_layout): New function.
3759         (Incremental_binary::do_reserve_layout): New function.
3760         (Incremental_binary::do_input_file_count): New function.
3761         (Incremental_binary::do_get_input_reader): Change signature.
3762         (Incremental_binary::input_args_map_): New data member.
3763         (Incremental_binary::library_map_): New data member.
3764         (Incremental_binary::script_map_): New data member.
3765         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3766         new data members.
3767         (Sized_incremental_binary::output_section): New function.
3768         (Sized_incremental_binary::inputs_reader): Add const.
3769         (Sized_incremental_binary::symtab_reader): Add const.
3770         (Sized_incremental_binary::relocs_reader): Add const.
3771         (Sized_incremental_binary::got_plt_reader): Add const.
3772         (Sized_incremental_binary::get_symtab_view): New function.
3773         (Sized_incremental_binary::Inputs_reader): New typedef.
3774         (Sized_incremental_binary::Input_entry_reader): New typedef.
3775         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3776         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3777         (Sized_incremental_binary::do_file_has_changed): New function.
3778         (Sized_incremental_binary::do_init_layout): New function.
3779         (Sized_incremental_binary::do_reserve_layout): New function.
3780         (Sized_input_reader::Inputs_reader): Remove.
3781         (Sized_input_reader::Input_entry_reader): Remove.
3782         (Sized_input_reader::do_arg_serial): New function.
3783         (Sized_input_reader::do_get_unused_symbol_count): New function.
3784         (Sized_input_reader::do_get_unused_symbol): New function.
3785         (Sized_incremental_binary::do_input_file_count): New function.
3786         (Sized_incremental_binary::do_get_input_reader): Change signature;
3787         use index instead of filename.
3788         (Sized_incremental_binary::section_map_): New data member.
3789         (Sized_incremental_binary::input_entry_readers_): New data member.
3790         (class Sized_incr_relobj): New class.
3791         (class Sized_incr_dynobj): New class.
3792         (make_sized_incremental_object): New function.
3793         (class Incremental_library): New class.
3794         * layout.cc (Free_list::num_lists): New static data member.
3795         (Free_list::num_nodes): New static data member.
3796         (Free_list::num_removes): New static data member.
3797         (Free_list::num_remove_visits): New static data member.
3798         (Free_list::num_allocates): New static data member.
3799         (Free_list::num_allocate_visits): New static data member.
3800         (Free_list::init): New function.
3801         (Free_list::remove): New function.
3802         (Free_list::allocate): New function.
3803         (Free_list::dump): New function.
3804         (Free_list::print_stats): New function.
3805         (Layout_task_runner::run): Resize output file for incremental updates.
3806         (Layout::Layout): Initialize new data members.
3807         (Layout::set_incremental_base): New function.
3808         (Layout::init_fixed_output_section): New function.
3809         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3810         incremental updates.
3811         (Layout::create_gold_note): Do not create gold note section for
3812         incremental updates.
3813         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3814         for incremental updates.
3815         (Layout::set_section_offsets): For incremental updates, allocate space
3816         from free list.
3817         (Layout::create_symtab_sections): Layout with offsets relative to
3818         start of section; for incremental updates, allocate space from free
3819         list.
3820         (Layout::create_shdrs): For incremental updates, allocate space from
3821         free list.
3822         (Layout::finish_dynamic_section): For incremental updates, do not
3823         check --as-needed (fixed in subsequent patch).
3824         * layout.h (class Free_list): New class.
3825         (Layout::set_incremental_base): New function.
3826         (Layout::incremental_base): New function.
3827         (Layout::init_fixed_output_section): New function.
3828         (Layout::allocate): New function.
3829         (Layout::incremental_base_): New data member.
3830         (Layout::free_list_): New data member.
3831         * main.cc (main): Print Free_list statistics.
3832         * object.cc (Relobj::finalize_incremental_relocs): Add
3833         clear_counts parameter; clear counts only when clear_counts is set.
3834         (Sized_relobj::Sized_relobj): Initialize new base class.
3835         (Sized_relobj::do_layout): Don't report special sections.
3836         (Sized_relobj::do_for_all_local_got_entries): New function.
3837         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3838         symtab_off to all symbol table offsets.
3839         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3840         * object.h (class Got_offset_list): Move to top of file.
3841         (Object::Object): Allow case where input_file == NULL.
3842         (Object::~Object): Likewise.
3843         (Object::input_file): Assert that input_file != NULL.
3844         (Object::lock): Allow case where input_file == NULL.
3845         (Object::unlock): Likewise.
3846         (Object::is_locked): Likewise.
3847         (Object::token): Likewise.
3848         (Object::release): Likewise.
3849         (Object::is_incremental): New function.
3850         (Object::get_mtime): New function.
3851         (Object::for_all_local_got_entries): New function.
3852         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3853         (Object::set_is_in_system_directory): New function.
3854         (Object::is_in_system_directory): New function.
3855         (Object::do_is_incremental): New function.
3856         (Object::do_get_mtime): New function.
3857         (Object::do_for_all_local_got_entries): New function.
3858         (Object::is_in_system_directory_): New data member.
3859         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3860         (class Sized_relobj_base): New class.
3861         (class Sized_relobj): Derive from Sized_relobj_base.
3862         (class Sized_relobj::Symbols): Redeclare from base class.
3863         (class Sized_relobj::local_got_offset_list): Remove.
3864         (class Sized_relobj::Output_sections): Redeclare from base class.
3865         (class Sized_relobj::do_for_all_local_got_entries): New function.
3866         (class Sized_relobj::write_local_symbols): Add offset parameter.
3867         (class Sized_relobj::local_symbol_offset_): Update comment.
3868         (class Sized_relobj::local_dynsym_offset_): Update comment.
3869         * options.cc (Input_arguments::add_file): Remove const.
3870         * options.h (Input_file_argument::Input_file_argument):
3871         Initialize arg_serial_ (all constructors).
3872         (Input_file_argument::set_arg_serial): New function.
3873         (Input_file_argument::arg_serial): New function.
3874         (Input_file_argument::arg_serial_): New data member.
3875         (Input_arguments::Input_arguments): Initialize file_count_.
3876         (Input_arguments::add_file): Remove const.
3877         (Input_arguments::number_of_input_files): New function.
3878         (Input_arguments::file_count_): New data member.
3879         (Command_line::number_of_input_files): Call
3880         Input_arguments::number_of_input_files.
3881         * output.cc (Output_segment_headers::Output_segment_headers):
3882         Set current size.
3883         (Output_section::Input_section::current_data_size): New function.
3884         (Output_section::Output_section): Initialize new data members.
3885         (Output_section::add_input_section): Don't do merge sections for
3886         an incremental link; allocate space from free list for an
3887         incremental update.
3888         (Output_section::add_output_section_data): Allocate space from
3889         free list for an incremental update.
3890         (Output_section::update_data_size): New function.
3891         (Output_section::set_fixed_layout): New function.
3892         (Output_section::reserve): New function.
3893         (Output_segment::set_section_addresses): Remove const.
3894         (Output_segment::set_section_list_addresses): Remove const; allocate
3895         space from free list for an incremental update.
3896         (Output_segment::set_offset): Adjust size of RELRO segment for an
3897         incremental update.
3898         * output.h (Output_data::current_data_size): Move here from
3899         child classes.
3900         (Output_data::pre_finalize_data_size): New function.
3901         (Output_data::update_data_size): New function.
3902         (Output_section_headers::update_data_size): new function.
3903         (Output_section_data_build::current_data_size): Move to Output_data.
3904         (Output_data_strtab::update_data_size): New function.
3905         (Output_section::current_data_size): Move to Output_data.
3906         (Output_section::set_fixed_layout): New function.
3907         (Output_section::has_fixed_layout): New function.
3908         (Output_section::reserve): New function.
3909         (Output_section::update_data_size): New function.
3910         (Output_section::has_fixed_layout_): New data member.
3911         (Output_section::free_list_): New data member.
3912         (Output_segment::set_section_addresses): Remove const.
3913         (Output_segment::set_section_list_addresses): Remove const.
3914         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3915         New function.
3916         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3917         New function.
3918         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3919         parameter when calling Add_symbols constructor; store argument
3920         serial number for members of a lib group.
3921         (Add_symbols::locks): Allow case where token == NULL.
3922         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3923         (Read_member::~Read_member): New function.
3924         (Read_member::is_runnable): New function.
3925         (Read_member::locks): New function.
3926         (Read_member::run): New function.
3927         (Check_script::~Check_script): New function.
3928         (Check_script::is_runnable): New function.
3929         (Check_script::locks): New function.
3930         (Check_script::run): New function.
3931         (Check_library::~Check_library): New function.
3932         (Check_library::is_runnable): New function.
3933         (Check_library::locks): New function.
3934         (Check_library::run): New function.
3935         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3936         (Add_symbols::library_): New data member.
3937         (class Read_member): New class.
3938         (class Check_script): New class.
3939         (class Check_library): New class.
3940         * reloc.cc (Read_relocs::is_runnable): Allow case where
3941         token == NULL.
3942         (Read_relocs::locks): Likewise.
3943         (Scan_relocs::locks): Likewise.
3944         (Relocate_task::locks): Likewise.
3945         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3946         to clear counters.
3947         (Sized_relobj::incremental_relocs_scan): Fix comment.
3948         (Sized_relobj::do_relocate): Pass output file offset to
3949         write_local_symbols.
3950         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3951         from class declaration.
3952         * script.cc (read_input_script): Allocate Script_info; pass
3953         argument serial number to report_script.
3954         * script.h (class Script_info): Move to incremental.h.
3955         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3956         * symtab.h (Symbol_table::add_from_incrobj): New function.
3957         (Symbol_table::set_file_offset): New function.
3958
3959 2011-04-05  Cary Coutant  <ccoutant@google.com>
3960
3961         * incremental-dump.cc (dump_incremental_inputs): Change signature
3962         to take a Sized_incremental_binary; change caller.  Use readers
3963         in Sized_incremental_binary.
3964         * incremental.cc
3965         (Sized_incremental_binary::find_incremental_inputs_sections):
3966         Rename do_find_incremental_inputs_sections to this.
3967         (Sized_incremental_binary::setup_readers): New function.
3968         (Sized_incremental_binary::do_check_inputs): Check
3969         has_incremental_info_ flag; move setup code to setup_readers;
3970         use input readers.
3971         (Sized_incremental_binary::do_file_is_unchanged): New function.
3972         (Sized_incremental_binary::do_get_input_reader): New function.
3973         * incremental.h (class Incremental_binary): Move to end of file.
3974         (Incremental_binary::file_is_unchanged): New function.
3975         (Incremental_binary::do_file_is_unchanged): New function.
3976         (Incremental_binary::Input_reader): New class.
3977         (Incremental_binary::get_input_reader): New function.
3978         (class Sized_incremental_binary): Move to end of file.
3979         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3980         input section reader classes.
3981         (Sized_incremental_binary::has_incremental_info): New function.
3982         (Sized_incremental_binary::inputs_reader): New function.
3983         (Sized_incremental_binary::symtab_reader): New function.
3984         (Sized_incremental_binary::relocs_reader): New function.
3985         (Sized_incremental_binary::got_plt_reader): New function.
3986         (Sized_incremental_binary::do_file_is_unchanged): New function.
3987         (Sized_incremental_binary::Sized_input_reader): New class.
3988         (Sized_incremental_binary::get_input_reader): New function.
3989         (Sized_incremental_binary::find_incremental_inputs_sections):
3990         Rename do_find_incremental_inputs_sections to this.
3991         (Sized_incremental_binary::setup_readers): New function.
3992         (Sized_incremental_binary::has_incremental_info_): New data member.
3993         (Sized_incremental_binary::inputs_reader_): New data member.
3994         (Sized_incremental_binary::symtab_reader_): New data member.
3995         (Sized_incremental_binary::relocs_reader_): New data member.
3996         (Sized_incremental_binary::got_plt_reader_): New data member.
3997         (Sized_incremental_binary::current_input_file_): New data member.
3998
3999 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4000
4001         PR gold/12640
4002         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4003         violation.
4004
4005 2011-03-30  Cary Coutant  <ccoutant@google.com>
4006
4007         * archive.cc (Archive::include_member): Adjust call to report_object.
4008         (Add_archive_symbols::run): Add script_info to call to
4009         report_archive_begin.
4010         (Lib_group::include_member): Adjust call to report_object.
4011         (Add_lib_group_symbols::run): Adjust call to report_object.
4012         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4013         blocks.  Add object count for script input files.
4014         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4015         script_info parameter; change all callers.
4016         (Incremental_inputs::report_object): Add script_info parameter;
4017         change all callers.
4018         (Incremental_inputs::report_script): Store backpointer to
4019         incremental info entry.
4020         (Output_section_incremental_inputs::set_final_data_size): Record
4021         additional information for scripts.
4022         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4023         * incremental.h (Incremental_script_entry::add_object): New function.
4024         (Incremental_script_entry::get_object_count): New function.
4025         (Incremental_script_entry::get_object): New function.
4026         (Incremental_script_entry::objects_): New data member; adjust
4027         constructor.
4028         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4029         (Incremental_inputs::report_object): Add script_info parameter.
4030         (Incremental_inputs_reader::get_object_count): New function.
4031         (Incremental_inputs_reader::get_object_offset): New function.
4032         * options.cc (Input_arguments::add_file): Return reference to
4033         new input argument.
4034         * options.h (Input_argument::set_script_info): New function.
4035         (Input_argument::script_info): New function.
4036         (Input_argument::script_info_): New data member; adjust all
4037         constructors.
4038         (Input_file_group::add_file): Return reference to new input argument.
4039         (Input_file_lib::add_file): Likewise.
4040         (Input_arguments::add_file): Likewise.
4041         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4042         * script.cc (Parser_closure::Parser_closure): Add script_info
4043         parameter; adjust all callers.
4044         (Parser_closure::script_info): New function.
4045         (Parser_closure::script_info_): New data member.
4046         (read_input_script): Report scripts earlier to incremental info.
4047         (script_add_file): Set script_info in Input_argument.
4048         (script_add_library): Likewise.
4049         * script.h (Script_options::Script_info): Rewrite class.
4050
4051 2011-03-29  Cary Coutant  <ccoutant@google.com>
4052
4053         * archive.cc (Library_base::should_include_member): Move
4054         method here from class Archive.
4055         (Archive::Archive): Initialize base class.
4056         (Archive::should_include_member): Move to base class.
4057         (Archive::do_for_all_unused_symbols): New function.
4058         (Add_archive_symbols::run): Remove redundant access to
4059         incremental_inputs.
4060         (Lib_group::Lib_group): Initialize base class.
4061         (Lib_group::do_filename): New function.
4062         (Lib_group::include_member): Pass pointer to Lib_group to
4063         report_object.
4064         (Lib_group::do_for_all_unused_symbols): New function.
4065         (Add_lib_group_symbols::run): Report archive information for
4066         incremental links.
4067         * archive.h (class Library_base): New base class.
4068         (class Archive): Derive from Library_base.
4069         (Archive::filename): Move to base class.
4070         (Archive::set_incremental_info): Likewise.
4071         (Archive::incremental_info): Likewise.
4072         (Archive::Should_include): Likewise.
4073         (Archive::should_include_member): Likewise.
4074         (Archive::Armap_entry): Remove.
4075         (Archive::Unused_symbol_iterator): Remove.
4076         (Archive::unused_symbols_begin): Remove.
4077         (Archive::unused_symbols_end): Remove.
4078         (Archive::do_filename): New function.
4079         (Archive::do_get_mtime): New function.
4080         (Archive::do_for_all_unused_symbols): New function.
4081         (Archive::task_): Move to base class.
4082         (Archive::incremental_info_): Likewise.
4083         (class Lib_group): Derive from Library_base.
4084         (Lib_group::do_filename): New function.
4085         (Lib_group::do_get_mtime): New function.
4086         (Lib_group::do_for_all_unused_symbols): New function.
4087         (Lib_group::task_): Move to base class.
4088         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4089         function.
4090         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4091         function.
4092         * incremental.cc (Incremental_inputs::report_archive_begin):
4093         Use Library_base; call library's get_mtime; add incremental inputs
4094         entry before members.
4095         (class Unused_symbol_visitor): New class.
4096         (Incremental_inputs::report_archive_end): Use Library_base; use
4097         visitor class to record unused symbols; don't add incremental inputs
4098         entry after members.
4099         (Incremental_inputs::report_object): Use Library_base.
4100         * incremental.h
4101         (Incremental_archive_entry::Incremental_archive_entry): Remove
4102         unused Archive parameter.
4103         (Incremental_inputs::report_archive_begin): Use Library_base.
4104         (Incremental_inputs::report_archive_end): Likewise.
4105         (Incremental_inputs::report_object): Likewise.
4106         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4107         function.
4108         * object.h (Object::for_all_global_symbols): New function.
4109         (Object::do_for_all_global_symbols): New function.
4110         (Sized_relobj::do_for_all_global_symbols): New function.
4111         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4112         function.
4113         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4114         function.
4115
4116 2011-03-27  Ian Lance Taylor  <iant@google.com>
4117
4118         * archive.cc (Archive::interpret_header): Return -1 if something
4119         goes wrong.  Change callers accordingly.
4120
4121 2011-03-25  Cary Coutant  <ccoutant@google.com>
4122
4123         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4124         * testsuite/Makefile.in: Regenerate.
4125
4126 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4127
4128         * plugin.cc (get_view): New.
4129         (Plugin::load): Pass get_view to the plugin.
4130         (Plugin_manager::get_view): New.
4131
4132 2011-03-21  Ian Lance Taylor  <iant@google.com>
4133
4134         * testsuite/final_layout.sh: Rewrite to not use dc.
4135         * testsuite/relro_test.sh: Fail if dc is not present.
4136
4137 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4138
4139         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4140         Change == to -eq.
4141         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4142         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4143         Change == to -eq.
4144         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4145         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4146
4147 2011-03-14  Ian Lance Taylor  <iant@google.com>
4148
4149         * script-sections.cc (Sort_output_sections::script_compare):
4150         Rename from is_before, change return type.
4151         (Sort_output_sections::operator()): Adjust accordingly.
4152
4153 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4154
4155         PR gold/12572
4156         * testsuite/odr_violation2.cc: Add comment to make all error line
4157         numbers double digits.
4158         * testsuite/debug_msg.sh: Adjust expected errors.
4159
4160 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4161
4162         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4163         but mark earlier ones as non-canonical
4164         (offset_to_iterator): Update search target and example
4165         (do_addr2line): Return extra lines in a vector*
4166         (format_file_lineno): Extract from do_addr2line
4167         (one_addr2line): Add vector* out-param
4168         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4169         when a lineno entry appeared last for its instruction
4170         (Dwarf_line_info): Add vector* out-param
4171         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4172         * symtab.cc (Odr_violation_compare): Include the lineno in the
4173         comparison again.
4174         (linenos_from_loc): New. Combine the canonical line for an
4175         address with its other lines.
4176         (True_if_intersect): New. Helper functor to make
4177         std::set_intersection a query.
4178         (detect_odr_violations): Compare sets of lines instead of just
4179         one line for each function. This became less deterministic, but
4180         has fewer false positives.
4181         * symtab.h: Declarations.
4182         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4183         mix an optimized and non-optimized object in the same binary
4184         (odr_violation2.so): Same.
4185         * testsuite/Makefile.in: Regenerate from Makefile.am.
4186         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4187         * testsuite/debug_msg.sh: Update line numbers and add
4188         assertions.
4189         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4190         non-optimized context.
4191         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4192         isn't inlined, and use OdrDerived in an optimized context.
4193         * testsuite/odr_header1.h: Defines OdrDerived, where
4194         optimization will change the
4195         first-instruction-in-the-destructor's file and line number.
4196         * testsuite/odr_header2.h: Defines OdrBase.
4197
4198 2011-03-09  Ian Lance Taylor  <iant@google.com>
4199
4200         * fileread.cc (File_read::clear_views): Don't delete the whole
4201         file view.
4202
4203 2011-03-08  Ian Lance Taylor  <iant@google.com>
4204
4205         PR gold/12525
4206         * fileread.cc: #include <climits>.
4207         (GOLD_IOV_MAX): Define.
4208         (File_read::read_multiple): Limit number of entries by iov_max.
4209         * fileread.h (class File_read): Always set max_readv_entries to
4210         128.
4211
4212 2011-03-07  Ian Lance Taylor  <iant@google.com>
4213
4214         PR gold/12525
4215         * options.h (class General_options): Add -dy and -dn.
4216
4217 2011-03-02  Cary Coutant  <ccoutant@google.com>
4218
4219         * testsuite/script_test_9.t: Add TLS segment.
4220
4221 2011-03-02  Simon Baldwin  <simonb@google.com>
4222
4223         * configure.ac: Add check for gnu_indirect_function support in
4224         the toolchain building binutils.
4225         * configure: Rebuild.
4226
4227 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4228
4229         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4230         plugin only symbols.
4231         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4232         in plugin files as not needed in the symbol table.
4233
4234 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4235
4236         * output.cc (Output_section::add_input_section): Delay fill
4237         generation for section ordering.
4238
4239 2011-02-09  Ian Lance Taylor  <iant@google.com>
4240
4241         PR gold/12316
4242         * object.h (class Sized_relobj): Remove clear_local_symbols.
4243         * reloc.cc (Sized_relobj::do_relocate): Don't call
4244         clear_local_symbols.
4245
4246 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4247
4248         * plugin.cc (is_visible_from_outside): Return true for symbols
4249         in the -u option.
4250
4251 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4252
4253         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4254         filename.
4255
4256 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4257
4258         * icf.h (is_section_foldable_candidate): Change type of parameter
4259         to std::string.
4260         * icf.cc (Icf::find_identical_sections): Change type of local variable
4261         section_name to be std::string.
4262         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4263
4264 2011-01-25  Ian Lance Taylor  <iant@google.com>
4265
4266         * script.cc (script_add_extern): Rewrite to use
4267         add_symbol_reference.
4268
4269 2011-01-25  Doug Kwan  <dougkwan@google.com>
4270
4271         * icf.cc (get_section_contents): Always lock section's object.
4272
4273 2011-01-24  Ian Lance Taylor  <iant@google.com>
4274
4275         * options.h (class General_options): Accept
4276         --no-detect-odr-violations.
4277
4278 2011-01-24  Ian Lance Taylor  <iant@google.com>
4279
4280         * version.cc (version_string): Bump to 1.11.
4281
4282 2011-01-24  Ian Lance Taylor  <iant@google.com>
4283
4284         * plugin.cc (class Plugin_rescan): Define new class.
4285         (Plugin_manager::claim_file): Set any_claimed_.
4286         (Plugin_manager::save_archive): New function.
4287         (Plugin_manager::save_input_group): New function.
4288         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4289         necessary.
4290         (Plugin_manager::new_undefined_symbol): New function.
4291         (Plugin_manager::rescan): New function.
4292         (Plugin_manager::rescannable_defines): New function.
4293         (Plugin_manager::add_input_file): Set any_added_.
4294         * plugin.h (class Plugin_manager): define new fields rescannable_,
4295         undefined_symbols_, any_claimed_, and any_added_.  Declare
4296         Plugin_rescan as friend.  Declare new functions.
4297         (Plugin_manager::Rescannable): Define type.
4298         (Plugin_manager::Rescannable_list): Define type.
4299         (Plugin_manager::Undefined_symbol_list): Define type.
4300         (Plugin_manager::Plugin_manager): Initialize new fields.
4301         * archive.cc (Archive::defines_symbol): New function.
4302         (Add_archive_symbols::run): Pass archive to plugins if any.
4303         * archive.h (class Archive): Declare defines_symbol.
4304         * readsyms.cc (Input_group::~Input_group): New function.
4305         (Finish_group::run): Pass input_group to plugins if any.
4306         * readsyms.h (class Input_group): Declare destructor.
4307         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4308         any.
4309
4310 2011-01-10  Ian Lance Taylor  <iant@google.com>
4311
4312         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4313         section as relro.
4314         (Layout::set_segment_offsets): Reset increase_relro before calling
4315         set_section_addresses a second time.
4316
4317 2011-01-04  Cary Coutant  <ccoutant@google.com>
4318
4319         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4320         sections before NOBITS sections.
4321
4322 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4323
4324         * version.cc (print_version): Update copyright to 2011.
4325
4326 2010-12-23  Cary Coutant  <ccoutant@google.com>
4327
4328         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4329         of OS to this->add.  Add OD parameter to second form of the function.
4330
4331 2010-12-20  Ian Lance Taylor  <iant@google.com>
4332
4333         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4334         second of two consecutive entries with same offset.
4335
4336 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4337
4338         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4339         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4340         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4341         to avoid unneeded links against $(LDADD).
4342         * testsuite/Makefile.in: Regenerate.
4343
4344 2010-12-15  Ian Lance Taylor  <iant@google.com>
4345
4346         PR gold/12324
4347         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4348         for R_X86_64_32 and R_X86_64_PC32.
4349         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4350         ver_matching_def_pic.o.
4351         (ver_matching_def_pic.o): New target.
4352
4353 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4354
4355         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4356         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4357         Move definition before File_read::View member definitions.
4358         (File_read::View::~View): Initialize and hold lock before
4359         updating current_mapped_bytes.
4360
4361 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4362
4363         * dwarf_reader.cc: Remove outdated comment.
4364         * gold-threads.cc: Fix typo in error message.
4365         * archive.cc: Fix typos in comments.
4366         * archive.h: Likewise.
4367         * arm-reloc-property.cc: Likewise.
4368         * arm-reloc-property.h: Likewise.
4369         * arm-reloc.def: Likewise.
4370         * arm.cc: Likewise.
4371         * attributes.h: Likewise.
4372         * cref.cc: Likewise.
4373         * ehframe.cc: Likewise.
4374         * fileread.h: Likewise.
4375         * gold.h: Likewise.
4376         * i386.cc: Likewise.
4377         * icf.cc: Likewise.
4378         * incremental.h: Likewise.
4379         * int_encoding.cc: Likewise.
4380         * layout.h: Likewise.
4381         * main.cc: Likewise.
4382         * merge.h: Likewise.
4383         * object.cc: Likewise.
4384         * object.h: Likewise.
4385         * options.cc: Likewise.
4386         * readsyms.cc: Likewise.
4387         * reduced_debug_output.cc: Likewise.
4388         * reloc.cc: Likewise.
4389         * script-sections.cc: Likewise.
4390         * sparc.cc: Likewise.
4391         * symtab.h: Likewise.
4392         * target-reloc.h: Likewise.
4393         * target.cc: Likewise.
4394         * target.h: Likewise.
4395         * timer.cc: Likewise.
4396         * timer.h: Likewise.
4397         * x86_64.cc: Likewise.
4398
4399 2010-12-09  Cary Coutant  <ccoutant@google.com>
4400
4401         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4402         stack.
4403         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4404         parameter; change all callers.
4405         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4406         * options.h (warn_execstack): New option.
4407
4408 2010-12-07  Doug Kwan  <dougkwan@google.com>
4409
4410         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4411         like function call relocations.
4412
4413 2010-12-07  Ian Lance Taylor  <iant@google.com>
4414
4415         * archive.cc (Archive::get_elf_object_for_member): Permit
4416         punconfigured to be NULL.
4417         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4418         (Archive::include_member): Pass NULL to get_elf_object_for_member
4419         if we searched for the archive and this is the first included
4420         object.
4421
4422 2010-12-01  Ian Lance Taylor  <iant@google.com>
4423
4424         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4425         track_relocs_type_ field.
4426         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4427         Set track_relocs_type_.
4428         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4429         contents when using RELA relocs.
4430         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4431         reloc_map_.
4432         * reloc.cc (Track_relocs::next_addend): New function.
4433         * reloc.h (class Track_relocs): Declare next_addend.
4434
4435 2010-12-01  Ian Lance Taylor  <iant@google.com>
4436
4437         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4438         virtual destructor.
4439
4440 2010-12-01  Ian Lance Taylor  <iant@google.com>
4441
4442         * README: Update compilers known to work and fail.
4443
4444 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4445
4446         * configure.in: For --enable-gold, handle value `default' instead of
4447         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4448         not the default.
4449         * configure: Regenerate.
4450
4451 2010-11-18  Doug Kwan  <dougkwan@google.com>
4452
4453         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4454         and right_alignment to be zero.  Store result alignment only if it is
4455         greater than existing alignment.
4456
4457 2010-11-16  Cary Coutant  <ccoutant@google.com>
4458
4459         PR gold/12220
4460         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4461         Check for ".zdebug_line".
4462
4463 2010-11-16  Doug Kwan  <dougkwan@google.com>
4464             Cary Coutant  <ccoutant@google.com>
4465
4466         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4467         by reference; adjust all callers.
4468         * output.cc (Output_segment::set_section_addresses): Adjust references
4469         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4470         list is empty.
4471         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4472         end at page boundary.
4473
4474 2010-11-16  Cary Coutant  <ccoutant@google.com>
4475
4476         PR gold/12220
4477         * layout.cc (Layout::choose_output_section): Transform names of
4478         compressed sections even when using a script with a SECTIONS clause.
4479         (Layout::output_section_name): Remove code to transform
4480         compressed debug section names.
4481         * output.cc (Output_section::add_input_section): Use uncompressed
4482         section size when tracking input sections.
4483
4484 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4485
4486         * symtab.h (Symbol::NON_PIC_REF): Remove.
4487         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4488         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4489         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4490         (Symbol::use_plt_offset): Take a flags argument and pass it
4491         directly to needs_dynamic_reloc.  Restrict check for undefined
4492         weak symbols to function calls.
4493         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4494         (Target_arm::Scan::global): Use it.
4495         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4496         (Target_arm::Relocate::relocate): Likewise.
4497         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4498         parameter with an r_type parameter.  Use get_reference_flags
4499         to get the flags.
4500         (Target_arm::Relocate::relocate): Update accordingly.
4501         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4502         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4503         (Target_i386::Scan::global): Likewise.
4504         (Target_i386::Relocate::relocate): Likewise.
4505         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4506         parameter with an r_type parameter.  Use get_reference_flags
4507         to get the flags.
4508         (Target_i386::Relocate::relocate): Update accordingly.
4509         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4510         (Target_powerpc::Scan::global): Use it.
4511         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4512         (Target_powerpc::Relocate::relocate): Likewise.
4513         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4514         (Target_sparc::Scan::global): Use it.
4515         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4516         (Target_sparc::Relocate::relocate): Likewise.
4517         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4518         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4519         (Target_x86_64::Scan::global): Likewise.
4520         (Target_x86_64::Relocate::relocate): Likewise.
4521
4522 2010-11-08  Doug Kwan  <dougkwan@google.com>
4523             Cary Coutant  <ccoutant@google.com>
4524
4525         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4526         (Arm_exidx_merge_section::section_contents_): New data member.
4527         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4528         (Arm_input_section::~Arm_input_section): De-allocate memory.
4529         (Arm_input_section::original_contents_): New data member.
4530         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4531         in parameters instead of calling Object::section_contents without
4532         locking.
4533         (Arm_output_section::group_section): New parameter TASK.  Pass it
4534         to callees that need locking objects.
4535         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4536         to lock EXIDX input sections.  Fix a formatting issue.  Call
4537         Arm_exidx_merged_section::build_contents to create merged section
4538         contents.
4539         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4540         to lock object of stub table owner.
4541         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4542         TEXT_SIZE to initialize data member TEXT_SIZE_.
4543         (Arm_exidx_input_section::addralign): Fix typo in comment.
4544         (Arm_exidx_input_section::text_size): New method.
4545         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4546         that require locking objects.  Lock objects before scanning for stubs
4547         and updating local symbols.
4548         (Arm_input_section<big_endian>::init): Copy contents of original
4549         input section.
4550         (Arm_input_section<big_endian>::do_write): Use saved contents of
4551         original input section instead of calling Object::section_contents
4552         without locking.
4553         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4554         size without calling Object::section_size().
4555         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4556         for size.  Allocate a buffer for merged EXIDX entries.
4557         (Arm_exidx_merged_section::build_contents): New method.
4558         (Arm_exidx_merged_section::do_write): Move merge section contents
4559         building code to Arm_exidx_merged_section::build_contetns.  Write
4560         out contetns in buffer instead of building it on the fly.
4561         (Arm_relobj::make_exidx_input_section): Also pass text section size
4562         to Arm_exidx_input_section constructor.
4563         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4564         (Arm_dynobj::do_read_symbols): Fix memory leak.
4565         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4566         * target.h: (class Task): Add forward declaration.
4567         (Target::relax): Add new parameter TASK and pass it to
4568         Target::do_relax().
4569         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4570
4571 2010-11-05  Cary Coutant  <ccoutant@google.com>
4572
4573         PR gold/10708
4574         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4575         object when reading from the file.
4576         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4577         second layout pass.
4578         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4579         when reading section contents.
4580         (get_section_contents): Likewise.
4581         (icf::find_identical_sections): Likewise.
4582         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4583         object when reading from the file.
4584         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4585         the object when doing deferred section layout.
4586
4587 2010-11-03  Nick Clifton  <nickc@redhat.com>
4588
4589         PR gold/12001
4590         * script.h (class Symbol_assignment: name): New member.  Returns
4591         the name of the symbol.
4592         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4593         Returns true if the given symbol name is on the list of
4594         assignments wating to be processed.
4595         * archive.cc (should_incldue_member): If the symbol is undefined,
4596         check to see if it is on the list of symbols pending assignment.
4597
4598 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4599
4600         * script-sections.cc (Script_sections::find_memory_region): Check
4601         for a NULL output section pointer.
4602
4603 2010-10-29  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4606         Output_section::add_relaxed_input_section.
4607         * output.cc (Output_section::add_relaxed_input_section): Add new
4608         arguments LAYOUT and NAME.  Set section order index.
4609         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4610         Copy section order index.
4611         * output.h (Output_section::add_relaxed_input_section): Add new
4612         arguments LAYOUT and NAME.
4613
4614 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4615
4616         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4617         NATIVE_OR_CROSS_LINKER.
4618         * testsuite/Makefile.in: Regenerate.
4619
4620 2010-10-20  Doug Kwan  <dougkwan@google.com>
4621
4622         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4623         without SHF_LINK_ORDER flags.
4624         * layout.cc (Layout::choose_output_section): Do not filter
4625         SHF_LINK_ORDER flag in a relocatable link.
4626
4627 2010-10-17  Cary Coutant  <ccoutant@google.com>
4628
4629         * output.h (Output_segment::set_section_addresses): Change function
4630         signature.  Update all callers.
4631         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4632         sections.
4633         (Output_segment::set_section_addresses): Align after last TLS
4634         section.  Add padding before last relro section instead of after.
4635
4636 2010-10-17  Doug Kwan  <dougkwan@google.com>
4637
4638         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4639         GOT output section to be writable.
4640
4641 2010-10-14  Cary Coutant  <ccoutant@google.com>
4642
4643         * debug.h (DEBUG_INCREMENTAL): New flag.
4644         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4645         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4646         mode.
4647         * incremental.cc (report_command_line): Ignore all forms of
4648         --incremental.
4649         * layout.cc (Layout::Layout): Check parameters for incremental link
4650         mode.
4651         * options.cc (General_options::parse_incremental): New function.
4652         (General_options::parse_no_incremental): New function.
4653         (General_options::parse_incremental_full): New function.
4654         (General_options::parse_incremental_update): New function.
4655         (General_options::incremental_mode_): New data member.
4656         (General_options::finalize): Check incremental_mode_.
4657         * options.h (General_options): Update help text for --incremental.
4658         Add --no-incremental, --incremental-full, --incremental-update.
4659         (General_options::Incremental_mode): New enum type.
4660         (General_options::incremental_mode): New function.
4661         (General_options::incremental_mode_): New data member.
4662         * parameters.cc (Parameters::incremental_mode_): New data member.
4663         (Parameters::set_options): Set incremental_mode_.
4664         (Parameters::set_incremental_full): New function.
4665         (Parameters::incremental): New function.
4666         (Parameters::incremental_update): New function.
4667         (set_parameters_incremental_full): New function.
4668         * parameters.h (Parameters::set_incremental_full): New function.
4669         (Parameters::incremental): New function.
4670         (Parameters::incremental_update): New function.
4671         (Parameters::incremental_mode_): New data member.
4672         (set_parameters_incremental_full): New function.
4673         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4674         incremental link mode.
4675         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4676         (Sized_relobj::do_relocate_sections): Likewise.
4677         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4678         option.
4679         * testsuite/Makefile.in: Regenerate.
4680         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4681
4682 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4683
4684         * script-sections.h (class Script_sections): Make
4685         Sections_elements typedef public.
4686         * script-sections.cc (class Sort_output_sections): Add elements_
4687         field.  Add constructor which sets it; change all callers.
4688         (Sort_output_sections::is_before): New function.
4689         (Sort_output_sections::operator()): Call is_before.
4690         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4691         conditional.
4692         * testsuite/script_test_10.sh: New test. Test script section
4693         order.
4694         * testsuite/script_test_10.t: Likewise.
4695         * testsuite/script_test_10.s: Likewise.
4696         * testsuite/Makefile.am: Wrap the cross linker tests and the
4697         common tests into NATIVE_OR_CROSS_LINKER.
4698         (check_SCRIPTS): Add script_test_10.sh.
4699         (check_DATA): Add script_test_10.stdout.
4700         (script_test_10.o, script_test_10): New targets.
4701         (script_test_10.stdout): New target.
4702         * configure, testsuite/Makefile.in: Regenerate.
4703
4704 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4705
4706         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4707         error for the deprecated relocations.
4708         (Target_arm::Scan::global): Likewise.
4709         (Target_arm::Relocate::relocate): Likewise.
4710
4711 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4712
4713         * fileread.cc (Input_file::find_file): Initialize *found_name
4714         and *namep when using the fallback search for case 4.
4715
4716 2010-10-11  Cary Coutant  <ccoutant@google.com>
4717
4718         * options.h (class General_options): Redefine -z lazy as an alias for
4719         the negation of -z now.
4720
4721 2010-10-11  Ian Lance Taylor  <iant@google.com>
4722
4723         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4724         binding.
4725
4726 2010-10-06  Nick Clifton  <nickc@redhat.com>
4727
4728         * script-sections.cc(class Memory_region): Remove
4729         current_lma_offset_ field.  Rename current_vma_offset_ to
4730         current_offset_.  Add last_section_ field.
4731         (Memory_region::get_current_vma_address): Rename to
4732         get_current_address.
4733         (Memory_region::get_current_lma_address): Delete.
4734         (Memory_region::increment_vma_offset): Rename to
4735         increment_offset.
4736         (Memory_region::increment_lma_offset): Delete.
4737         (Memory_region::attributes_compatible): New method.  Returns
4738         true if the provided section is compatible with the region.
4739         (Memory_region::get_last_section): New method.  Returns the last
4740         section to use the region.
4741         (Memory_region::set_last_section): New method.  Stores the last
4742         section to use the region.
4743         (Script_sections::block_in_region): New method.  Returns true if
4744         a block of memory is contained within a region.
4745         (Script_sections::find_memory_region): New method.  Locates a
4746         memory region to be used to set a VMA or LMA address.
4747         (Output_section_definition::set_section_addresses): Add code to
4748         check for addresses set by memory regions.
4749         (Output_segment::set_section_addresses): Remove memory region
4750         walking code.
4751         (Script_sections::create_segment): Add a warning if a header
4752         segment is created outside of any region.
4753         * script-sections.h (class Script_sections): Add prototypes for
4754         find_memory_region and block_in_region methods.
4755         * testsuite/memory_test.s: Use .long instead of .word.
4756         * testsuite/memory_test.t: Add some more output sections.
4757         * testsuite/memory_test.sh: Update expected output.
4758
4759 2010-10-02  Doug Kwan  <dougkwan@google.com>
4760
4761         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4762         defintion to symtab.h
4763         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4764         declaration to defintion.
4765
4766 2010-10-01  Nick Clifton  <nickc@redhat.com>
4767
4768         * expression.cc (eval): Replace dummy argument with NULL.
4769         (eval_maybe_dot): Check for a NULL result section pointer.
4770         (Symbol_expression::value): Likewise.
4771         (Dot_expression::value): Likewise.
4772         (BINARY_EXPRESSION): Likewise.
4773         (Max_expression::value): Likewise.
4774         (Min_expression::value): Likewise.
4775         (Absolute_expression::value): Likewise.
4776         (Addr_expression::value_from_output_section): Likewise.
4777         (Loaddddr_expression::value_from_output_section): Likewise.
4778         (Segment_start_expression::value): Likewise.
4779         * script-sections.cc
4780         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4781         argument with NULL.
4782         (Sections_elememt_dot_assignment::set_section_addresses):
4783         Likewise.
4784         (Output_data_expression::do_write_to_buffer): Likewise.
4785         (Output_section_definition::finalize_symbols): Likewise.
4786         (Output_section_definition::set_section_addresses): Likewise.
4787
4788 2010-09-30  Doug Kwan  <dougkwan@google.com>
4789
4790         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4791
4792 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4793
4794         * target.h (Target::can_icf_inline_merge_sections): New virtual
4795         function.
4796         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4797         virtual function.
4798         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4799         virtual function.
4800         * icf.cc (get_section_contents): Inline merge sections only when
4801         target allows it.
4802
4803 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4804
4805         * configure: Regenerate.
4806
4807 2010-09-17  Ian Lance Taylor  <iant@google.com>
4808
4809         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4810         * testsuite/Makefile.am (memory_test.o): New target.
4811         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4812         memory_test.t.
4813         * testsuite/Makefile.in: Rebuild.
4814
4815 2010-09-17  Doug Kwan  <dougkwan@google.com>
4816
4817         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4818         defintion if relocation uses GOT entries of the symbol.
4819         * testsuite/icf_safe_test.sh: Fix test.
4820         * testsuite/icf_safe_so_test.sh: Fix test.
4821
4822 2010-09-16  Cary Coutant  <ccoutant@google.com>
4823
4824         * script_sections.cc (class Memory_region): Remove "NULL" from
4825         vector initializations.
4826
4827 2010-09-15  Cary Coutant  <ccoutant@google.com>
4828
4829         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4830         Resolve forwarding symbols.
4831
4832 2010-09-15  Doug Kwan  <dougkwan@google.com>
4833
4834         * gold/testsuite/script_test_3.t: Add ARM special sections.
4835         * gold/testsuite/script_test_4.t: Same.
4836         * gold/testsuite/script_test_5.t: Same.
4837         * gold/testsuite/script_test_6.t: Same.
4838         * gold/testsuite/script_test_7.t: Same.
4839         * gold/testsuite/script_test_7.t: Same.
4840         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4841
4842 2010-09-14  Cary Coutant  <ccoutant@google.com>
4843
4844         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4845         (Target_x86_64::Relocate::relocate_tls): Replace check for
4846         saw_tls_block_reloc_ with test for executable section.
4847
4848 2010-09-12  Cary Coutant  <ccoutant@google.com>
4849
4850         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4851         position-independent executables to shared libraries need dynamic
4852         relocations.
4853         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4854         position-independent executables.
4855         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4856         * testsuite/Makefile.in: Regenerate.
4857
4858 2010-09-10  Nick Clifton  <nickc@redhat.com>
4859
4860         PR gold/11997
4861         * testsuite/memory_test.t: Discard any sections that are not
4862         needed.
4863
4864 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4865
4866         PR gold/11996
4867         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4868         "This::" to work around a bug in gcc 4.2.
4869
4870         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4871
4872 2010-09-09  Rafael Espindola  <espindola@google.com>
4873
4874         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4875         sections with different PF_X flags in the same segment.
4876         (Layout::find_first_load_seg): Search all segments to find the first
4877         one.
4878         * options.h (rosegment): New.
4879
4880 2010-09-08  Rafael Espindola  <espindola@google.com>
4881
4882         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4883
4884 2010-09-08  Doug Kwan  <dougkwan@google.com>
4885
4886         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4887         (Arm_relobj::do_relocate_sections): Add new parameter for output
4888         file to match the parent.
4889         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4890         of local symbols instead of input values.  Update code to track
4891         changes in gold::relocate_section.
4892         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4893         (Sized_relobj::compute_final_local_value_internal): New methods.
4894         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4895         body into private version of Sized_relobj::compute_final_local_value.
4896         Call the inline method.
4897         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4898         merged symbol value if there is one.
4899         (Symbol_value::has_output_value): New method defintiion.
4900         (Sized_relobj::Compute_final_local_value_status): New enum type.
4901         (Sized_relobj::compute_final_local_value): New methods.
4902         (Sized_relobj::compute_final_local_value_internal): New methods.
4903         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4904         and arm_cortex_a8.sh.
4905         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4906         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4907         New tests.
4908         * Makefile.in: Regenerate.
4909         * testsuite/arm_bl_out_of_range.s: Update test.
4910         * testsuite/thumb_bl_out_of_range.s: Ditto.
4911         * testsuite/thumb_blx_out_of_range.s: Ditto.
4912         * testsuite/arm_branch_out_of_range.sh: New file.
4913         * testsuite/arm_cortex_a8.sh: Ditto.
4914         * testsuite/arm_cortex_a8_b.s: Ditto.
4915         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4916         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4917         * testsuite/arm_cortex_a8_bl.s: Ditto.
4918         * testsuite/arm_cortex_a8_blx.s: Ditto.
4919         * testsuite/arm_cortex_a8_local.s: Ditto.
4920         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4921         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4922
4923 2010-09-08  Rafael Espindola  <espindola@google.com>
4924
4925         * Makefile.am (memory_test.stdout): Run readelf with -W.
4926         * Makefile.in: Regenerate.
4927         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4928         64 bit output.
4929
4930 2010-09-08  Rafael Espindola  <espindola@google.com>
4931
4932         * script-sections.cc (Script_sections::add_memory_region): Convert
4933         field precision to int.
4934         * script.cc (script_set_section_region, script_set_section_region):
4935         Convert field precision to int.
4936
4937 2010-09-08  Rafael Espindola  <espindola@google.com>
4938
4939         * arm.cc (do_finalize_sections): Create the __exidx_start and
4940         __exdix_end symbols even when the section is missing.
4941
4942 2010-09-08  Nick Clifton  <nickc@redhat.com>
4943
4944         * README: Remove claim that MEMORY is not supported.
4945         * expression.cc (script_exp_function_origin)
4946         (script_exp_function_length): Move from here to ...
4947         * script.cc: ... here.
4948         (script_set_section_region, script_add_memory)
4949         (script_parse_memory_attr, script_include_directive): New
4950         functions.
4951         * script-sections.cc
4952         (class Memory_region): New class.
4953         (class Output_section_definition): Add set_memory_region,
4954         set_section_vma, set_section_lma and get_section_name methods.
4955         (class Script_Sections): Add add_memory_region,
4956         find_memory_region, find_memory_region_origin,
4957         find_memory_region_length and set_memory_region methods.
4958         Have set_section_addresses method walk the list of set memory
4959         regions.
4960         Extend the print methos to display memory regions.
4961         * script-sections.h: Add prototypes for new methods.
4962         Add enum for MEMORY region attributes.
4963         * yyscript.y: Add support for parsing MEMORY regions.
4964         * script-c.h: Add prototypes for new functions.
4965         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4966         * testsuite/Makefile.in: Regenerate.
4967         * testsuite/memory_test.sh: New script.
4968         * testsuite/memory_test.s: New assembler source file.
4969         * testsuite/memory_test.t: New linker script.
4970
4971 2010-08-27  Doug Kwan  <dougkwan@google.com>
4972
4973         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4974         reference override an existing dynamic weak reference.
4975         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4976         * testsuite/Makefile.in: Regenerate.
4977         * testsuite/dyn_weak_ref.sh: New file.
4978         * testsuite/dyn_weak_ref_1.c: Ditto.
4979         * testsuite/dyn_weak_ref_2.c: Ditto.
4980
4981 2010-08-27  Ian Lance Taylor  <iant@google.com>
4982
4983         * incremental.h (class Incremental_input_entry): Add virtual
4984         destructor.
4985
4986 2010-08-27  Ian Lance Taylor  <iant@google.com>
4987
4988         * testsuite/start_lib_test_3.c: Mark t3 as used.
4989
4990 2010-08-27  Nick Clifton  <nickc@redhat.com>
4991
4992         * options.cc (version_script): Fix small typo in previous
4993         whitespace tidyup.
4994
4995 2010-08-25  Nick Clifton  <nickc@redhat.com>
4996
4997         * archive.cc: Formatting fixes: Remove whitespace between
4998         typename and following asterisk.  Remove whitespace between
4999         function name and opening parenthesis.
5000         * archive.h: Likewise.
5001         * arm.cc: Likewise.
5002         * attributes.cc: Likewise.
5003         * attributes.h: Likewise.
5004         * common.cc: Likewise.
5005         * copy-relocs.cc: Likewise.
5006         * dirsearch.h: Likewise.
5007         * dynobj.cc: Likewise.
5008         * ehframe.cc: Likewise.
5009         * ehframe.h: Likewise.
5010         * expression.cc: Likewise.
5011         * fileread.cc: Likewise.
5012         * fileread.h: Likewise.
5013         * gc.h: Likewise.
5014         * gold-threads.cc: Likewise.
5015         * gold.cc: Likewise.
5016         * i386.cc: Likewise.
5017         * icf.h: Likewise.
5018         * incremental-dump.cc: Likewise.
5019         * incremental.cc: Likewise.
5020         * layout.cc: Likewise.
5021         * layout.h: Likewise.
5022         * main.cc: Likewise.
5023         * merge.cc: Likewise.
5024         * merge.h: Likewise.
5025         * object.cc: Likewise.
5026         * object.h: Likewise.
5027         * options.cc: Likewise.
5028         * options.h: Likewise.
5029         * output.cc: Likewise.
5030         * output.h: Likewise.
5031         * plugin.cc: Likewise.
5032         * plugin.h: Likewise.
5033         * powerpc.cc: Likewise.
5034         * reloc.cc: Likewise.
5035         * script-c.h: Likewise.
5036         * script-sections.cc: Likewise.
5037         * script.cc: Likewise.
5038         * stringpool.cc: Likewise.
5039         * symtab.cc: Likewise.
5040         * symtab.h: Likewise.
5041         * target.cc: Likewise.
5042         * timer.cc: Likewise.
5043         * timer.h: Likewise.
5044         * version.cc: Likewise.
5045         * x86_64.cc: Likewise.
5046
5047 2010-08-24  Nick Clifton  <nickc@redhat.com>
5048
5049         PR 11899
5050         * layout.cc (segment_precedes): Sort segments by their physical
5051         addresses, if they have been set.
5052
5053 2010-08-23  Cary Coutant  <ccoutant@google.com>
5054
5055         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5056         symbols data.
5057         (Lib_group::include_member): Unlock object after deleting its
5058         symbols data.
5059         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5060         the bug fixed here.
5061
5062 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5063             Cary Coutant  <ccoutant@google.com>
5064
5065         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5066         constructor, and set_blocker.
5067         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5068         readsyms_blocker_.
5069         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5070         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5071         * testsuite/Makefile.am (start_lib_test): New test case.
5072         * testsuite/Makefile.in: Regenerate.
5073         * testsuite/start_lib_test_main.c: New file.
5074         * testsuite/start_lib_test_1.c: New file.
5075         * testsuite/start_lib_test_2.c: New file.
5076         * testsuite/start_lib_test_3.c: New file.
5077
5078 2010-08-19  Ian Lance Taylor  <iant@google.com>
5079
5080         * Makefile.in: Rebuild with automake 1.11.1.
5081         * aclocal.m4: Likewise.
5082         * testsuite/Makefile.in: Likewise.
5083
5084 2010-08-19  Ian Lance Taylor  <iant@google.com>
5085
5086         PR 10893
5087         * i386.cc (class Output_data_plt_i386): Update declarations.
5088         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5089         local_ifuncs_ fields.
5090         (Target_i386::do_plt_section_for_global): New function.
5091         (Target_i386::do_plt_section_for_local): New function.
5092         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5093         parameter; change all callers.  Initialize global_ifuncs_ and
5094         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5095         __rel_iplt_end.
5096         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5097         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5098         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5099         symbols.
5100         (Target_i386::make_plt_section): New function, broken out of
5101         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5102         (Target_i386::make_plt_entry): Call make_plt_section.
5103         (Target_i386::make_local_ifunc_plt_entry): New function.
5104         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5105         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5106         R_386_IRELATIVE to switch.
5107         (Target_i386::Scan::global): Likewise.
5108         (Target_i386::Relocate::relocate): Likewise.
5109         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5110         switch.
5111         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5112         (Target_x86_64::do_plt_section_for_global): New function.
5113         (Target_x86_64::do_plt_section_for_local): New function.
5114         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5115         parameter; change all callers.  If doing a static link define
5116         __rela_iplt_start and __rela_iplt_end.
5117         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5118         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5119         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5120         to point to .plt.
5121         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5122         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5123         switch.
5124         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5125         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5126         R_X86_64_IRELATIVE to switch.
5127         (Target_x86_64::Scan::global): Likewise.
5128         (Target_x86_64::Relocate::relocate): Likewise.
5129         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5130         switch.
5131         * target.h (class Target): Add plt_section_for_global and
5132         plt_section_for_local functions.  Add do_plt_section_for_global
5133         and do_plt_section_for_local virtual functions.
5134         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5135         clarifying comments.
5136         (Symbol::use_plt_offset): Handle IFUNC symbol.
5137         * object.cc (Sized_relobj::Sized_relobj): Initialize
5138         local_plt_offsets_.
5139         (Sized_relobj::local_has_plt_offset): New function.
5140         (Sized_relobj::local_plt_offset): New function.
5141         (Sized_relobj::set_local_plt_offset): New function.
5142         (Sized_relobj::do_count): Handle IFUNC symbol.
5143         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5144         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5145         is_ifunc_symbol functions.
5146         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5147         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5148         local_plt_offsets_ field.
5149         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5150         * output.h (class Output_section_data): Add non-const
5151         output_section function.
5152         (class Output_data_got): Update declarations.
5153         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5154         Add use_plt_offset parameter to global and local constructors.
5155         Change all callers.  Change local_sym_index_ field to 31 bits.
5156         Change GSYM_CODE and CONSTANT_CODE accordingly.
5157         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5158         doing a static link don't set sh_link field.
5159         (Output_data_got::Got_entry::write): Use PLT offset if
5160         appropriate.
5161         (Output_data_got::add_global_plt): New function.
5162         (Output_data_got::add_local_plt): New function.
5163         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5164         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5165         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5166         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5167         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5168         IFUNC conditional.
5169         * testsuite/ifunc-sel.h: New file.
5170         * testsuite/ifuncmain1.c: New file.
5171         * testsuite/ifuncmain1vis.c: New file.
5172         * testsuite/ifuncmod1.c: New file.
5173         * testsuite/ifuncdep2.c: New file.
5174         * testsuite/ifuncmain2.c: New file.
5175         * testsuite/ifuncmain3.c: New file.
5176         * testsuite/ifuncmod3.c: New file.
5177         * testsuite/ifuncmain4.c: New file.
5178         * testsuite/ifuncmain5.c: New file.
5179         * testsuite/ifuncmod5.c: New file.
5180         * testsuite/ifuncmain6pie.c: New file.
5181         * testsuite/ifuncmod6.c: New file.
5182         * testsuite/ifuncmain7.c: New file.
5183         * configure, testsuite/Makefile.in: Rebuild.
5184
5185 2010-08-18  Ian Lance Taylor  <iant@google.com>
5186
5187         * incremental.cc
5188         (Output_section_incremental_inputs::write_input_files): Add cast
5189         to avoid signed/unsigned comparison warning.
5190         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5191
5192 2010-08-12  Cary Coutant  <ccoutant@google.com>
5193
5194         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5195
5196 2010-08-13  Ian Lance Taylor  <iant@google.com>
5197
5198         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5199
5200 2010-08-12  Cary Coutant  <ccoutant@google.com>
5201             Doug Kwan  <dougkwan@google.com>
5202
5203         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5204         defintion overrides non-weak undef, remember that the original undef
5205         is not weak.
5206         * symtab.cc (Symbol_table::sized_write_global): For undef without
5207         an original weak binding, set binding to global in output.
5208         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5209         * testsuite/Makefile.in: Regenerate.
5210         * testsuite/strong_ref_weak_def.sh: New file.
5211         * testsuite/strong_ref_weak_def_1.c: Ditto.
5212         * testsuite/strong_ref_weak_def_2.c: Ditto.
5213
5214 2010-08-12  Cary Coutant  <ccoutant@google.com>
5215
5216         * testsuite/incremental_test.sh: Rewrite.
5217         * testsuite/incremental_test_1.c: Rewrite.
5218         * testsuite/incremental_test_2.c: Rewrite.
5219
5220 2010-08-12  Cary Coutant  <ccoutant@google.com>
5221
5222         * arm.cc (Target_arm::got_size): Add const.
5223         (Target_arm::got_entry_count): New function.
5224         (Target_arm::plt_entry_count): New function.
5225         (Target_arm::first_plt_entry_offset): New function.
5226         (Target_arm::plt_entry_size): New function.
5227         (Output_data_plt_arm::entry_count): New function.
5228         (Output_data_plt_arm::first_plt_entry_offset): New function.
5229         (Output_data_plt_arm::get_plt_entry_size): New function.
5230         * i386.cc (Target_i386::got_size): Add const.
5231         (Target_i386::got_entry_count): New function.
5232         (Target_i386::plt_entry_count): New function.
5233         (Target_i386::first_plt_entry_offset): New function.
5234         (Target_i386::plt_entry_size): New function.
5235         (Output_data_plt_i386::entry_count): New function.
5236         (Output_data_plt_i386::first_plt_entry_offset): New function.
5237         (Output_data_plt_i386::get_plt_entry_size): New function.
5238         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5239         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5240         * incremental.cc: Include target.h.
5241         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5242         parameter.  Adjust all callers.  Find incremental_got_plt section.
5243         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5244         section.
5245         (Output_section_incremental_inputs::set_final_data_size): Calculate
5246         size of incremental_got_plt section.
5247         (Output_section_incremental_inputs::do_write): Write the
5248         incremental_got_plt section.
5249         (Got_plt_view_info): New struct.
5250         (Local_got_offset_visitor): New class.
5251         (Global_got_offset_visitor): New class.
5252         (Global_symbol_visitor_got_plt): New class.
5253         (Output_section_incremental_inputs::write_got_plt): New function.
5254         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5255         Add parameter.  Adjust all callers.
5256         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5257         (Incremental_inputs::got_plt_section): New function.
5258         (Incremental_inputs::got_plt_section_): New data member.
5259         (Incremental_got_plt_reader): New class.
5260         * layout.cc (Layout::create_incremental_info_sections): Add the
5261         incremental_got_plt section.
5262         * object.h (Got_offset_list::get_list): New function.
5263         (Got offset_list::for_all_got_offsets): New function.
5264         (Sized_relobj::local_got_offset_list): New function.
5265         * powerpc.cc (Target_powerpc::got_size): Add const.
5266         (Target_powerpc::got_entry_count): New function.
5267         (Target_powerpc::plt_entry_count): New function.
5268         (Target_powerpc::first_plt_entry_offset): New function.
5269         (Target_powerpc::plt_entry_size): New function.
5270         (Output_data_plt_powerpc::entry_count): New function.
5271         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5272         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5273         * sparc.cc (Target_sparc::got_size): Add const.
5274         (Target_sparc::got_entry_count): New function.
5275         (Target_sparc::plt_entry_count): New function.
5276         (Target_sparc::first_plt_entry_offset): New function.
5277         (Target_sparc::plt_entry_size): New function.
5278         (Output_data_plt_sparc::entry_count): New function.
5279         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5280         (Output_data_plt_sparc::get_plt_entry_size): New function.
5281         * symtab.h (Symbol::got_offset_list): New function.
5282         (Symbol_table::for_all_symbols): New function.
5283         * target.h (Sized_target::got_entry_count): New function.
5284         (Sized_target::plt_entry_count): New function.
5285         (Sized_target::plt_entry_size): New function.
5286         * x86_64.cc (Target_x86_64::got_size): Add const.
5287         (Target_x86_64::got_entry_count): New function.
5288         (Target_x86_64::plt_entry_count): New function.
5289         (Target_x86_64::first_plt_entry_offset): New function.
5290         (Target_x86_64::plt_entry_size): New function.
5291         (Output_data_plt_x86_64::entry_count): New function.
5292         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5293         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5294
5295 2010-08-12  Cary Coutant  <ccoutant@google.com>
5296
5297         * archive.cc: Include incremental.h.
5298         (Archive::Archive): Initialize incremental_info_.
5299         (Archive::include_member): Record archive members in incremental info.
5300         (Add_archive_symbols::run): Record begin and end of an archive in
5301         incremental info.
5302         (Lib_group::include_member): Record objects in incremental info.
5303         * archive.h (Incremental_archive_entry): Forward declaration.
5304         (Archive::set_incremental_info): New member function.
5305         (Archive::incremental_info): New member function.
5306         (Archive::Unused_symbol_iterator): New class.
5307         (Archive::unused_symbols_begin): New member function.
5308         (Archive::unused_symbols_end): New member function.
5309         (Archive::incremental_info_): New data member.
5310         * incremental-dump.cc (find_input_containing_global): New function.
5311         (dump_incremental_inputs): Dump new incremental info sections.
5312         * incremental.cc: Include symtab.h.
5313         (Output_section_incremental_inputs): New class.
5314         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5315         new incremental info sections.
5316         (Sized_incremental_binary::do_check_inputs): Likewise.
5317         (Incremental_inputs::report_archive): Remove.
5318         (Incremental_inputs::report_archive_begin): New function.
5319         (Incremental_inputs::report_archive_end): New function.
5320         (Incremental_inputs::report_object): New function.
5321         (Incremental_inputs::finalize_inputs): Remove.
5322         (Incremental_inputs::report_input_section): New function.
5323         (Incremental_inputs::report_script): Rewrite.
5324         (Incremental_inputs::finalize): Do nothing but finalize string table.
5325         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5326         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5327         (Incremental_inputs::create_data_sections): New function.
5328         (Incremental_inputs::relocs_entsize): New function.
5329         (Output_section_incremental_inputs::set_final_data_size): New function.
5330         (Output_section_incremental_inputs::do_write): New function.
5331         (Output_section_incremental_inputs::write_header): New function.
5332         (Output_section_incremental_inputs::write_input_files): New function.
5333         (Output_section_incremental_inputs::write_info_blocks): New function.
5334         (Output_section_incremental_inputs::write_symtab): New function.
5335         * incremental.h (Incremental_script_entry): Forward declaration.
5336         (Incremental_object_entry): Forward declaration.
5337         (Incremental_archive_entry): Forward declaration.
5338         (Incremental_inputs): Forward declaration.
5339         (Incremental_inputs_header_data): Remove.
5340         (Incremental_inputs_header): Remove.
5341         (Incremental_inputs_header_write): Remove.
5342         (Incremental_inputs_entry_data): Remove.
5343         (Incremental_inputs_entry): Remove.
5344         (Incremental_inputs_entry_write): Remove.
5345         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5346         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5347         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5348         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5349         Likewise.
5350         (Incremental_input_entry): New class.
5351         (Incremental_script_entry): New class.
5352         (Incremental_object_entry): New class.
5353         (Incremental_archive_entry): New class.
5354         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5355         (Incremental_inputs::report_inputs): Remove.
5356         (Incremental_inputs::report_archive): Remove.
5357         (Incremental_inputs::report_archive_begin): New function.
5358         (Incremental_inputs::report_archive_end): New function.
5359         (Incremental_inputs::report_object): Change prototype.
5360         (Incremental_inputs::report_input_section): New function.
5361         (Incremental_inputs::report_script): Change prototype.
5362         (Incremental_inputs::get_reloc_count): New function.
5363         (Incremental_inputs::set_reloc_count): New function.
5364         (Incremental_inputs::create_data_sections): New function.
5365         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5366         (Incremental_inputs::inputs_section): New function.
5367         (Incremental_inputs::symtab_section): New function.
5368         (Incremental_inputs::relocs_section): New function.
5369         (Incremental_inputs::get_stringpool): Add const.
5370         (Incremental_inputs::command_line): Add const.
5371         (Incremental_inputs::inputs): Remove.
5372         (Incremental_inputs::command_line_key): New function.
5373         (Incremental_inputs::input_file_count): New function.
5374         (Incremental_inputs::input_files): New function.
5375         (Incremental_inputs::relocs_entsize): New function.
5376         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5377         (Incremental_inputs::finalize_inputs): Remove.
5378         (Incremental_inputs::Input_info): Remove.
5379         (Incremental_inputs::lock_): Remove.
5380         (Incremental_inputs::inputs_): Change type.
5381         (Incremental_inputs::inputs_map_): Remove.
5382         (Incremental_inputs::current_object_entry_): New data member.
5383         (Incremental_inputs::inputs_section_): New data member.
5384         (Incremental_inputs::symtab_section_): New data member.
5385         (Incremental_inputs::relocs_section_): New data member.
5386         (Incremental_inputs::reloc_count_): New data member.
5387         (Incremental_inputs_reader): New class.
5388         (Incremental_symtab_reader): New class.
5389         (Incremental_relocs_reader): New class.
5390         * layout.cc (Layout::finalize): Move finalization of incremental info
5391         and creation of incremental info sections to follow finalization of
5392         symbol table.  Set offsets for postprocessing sections.
5393         (Layout::create_incremental_info_sections): Call
5394         Incremental_inputs::create_data_sections.  Add incremental symtab
5395         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5396         sections to layout after input sections.
5397         * layout.h (struct Timespec): Forward declaration.
5398         (Layout::incremental_inputs): Add const.
5399         (Layout::create_incremental_info_sections): Add parameter.
5400         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5401         * object.cc: Include incremental.h.
5402         (Relobj::finalize_incremental_relocs): New function.
5403         (Sized_relobj::do_layout): Record input sections in incremental info.
5404         * object.h (Object::output_section): New function.
5405         (Object::output_section_offset): Moved from Relobj.
5406         (Object::get_incremental_reloc_base): New function.
5407         (Object::get_incremental_reloc_count): New function.
5408         (Object::do_output_section): New function.
5409         (Object::do_output_section_offset): Moved from Relobj.
5410         (Object::do_get_incremental_reloc_base): New function.
5411         (Object::do_get_incremental_reloc_count): New function.
5412         (Object::Object): Initialize new data members.
5413         (Relobj::output_section): Renamed do_output_section and moved to
5414         protected.
5415         (Relobj::output_section_offset): Moved to Object.
5416         (Relobj::do_get_incremental_reloc_base): New function.
5417         (Relobj::do_get_incremental_reloc_count): New function.
5418         (Relobj::allocate_incremental_reloc_counts): New function.
5419         (Relobj::count_incremental_reloc): New function.
5420         (Relobj::finalize_incremental_relocs): New function.
5421         (Relobj::next_incremental_reloc_index): New function.
5422         (Relobj::reloc_counts_): New data member.
5423         (Relobj::reloc_bases_): New data member.
5424         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5425         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5426         (Sized_relobj::incremental_relocs_scan): New function.
5427         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5428         (Sized_relobj::incremental_relocs_write): New function.
5429         (Sized_relobj::incremental_relocs_write_reltype): New function.
5430         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5431         incremental link.
5432         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5433         archives and object files elsewhere.
5434         (Add_symbols::run): Report object files here.
5435         (Finish_group::run): Report end of archive at end of group.
5436         * reloc.cc: Include layout.h, incremental.h.
5437         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5438         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5439         (Sized_relobj::incremental_relocs_scan): New function.
5440         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5441         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5442         (Sized_relobj::incremental_relocs_write): New function.
5443         (Sized_relobj::incremental_relocs_write_reltype): New function.
5444         * script.cc (read_input_script): Rewrite test for incremental link.
5445         Change call to Incremental_inputs::report_script.
5446         * symtab.h (Symbol_table::first_global_index): New function.
5447         (Symbol_table::output_count): New function.
5448
5449 2010-08-12  Doug Kwan  <dougkwan@google.com>
5450
5451         * arm.cc (Target_arm::merge_object_attributes): Check command line
5452         options --no-wchar-size-warning and --no-enum-size-warning.
5453         * options.h (General_options): Add ld-compatible options
5454         --no-enum-size-warning and --no-wchar-size-warning.
5455
5456 2010-08-04  Ian Lance Taylor  <iant@google.com>
5457
5458         * x86_64.cc (Target_x86_64::Scan::local): Use
5459         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5460         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5461         (Target_x86_64::Scan::global): Likewise.
5462         (Target_x86_64::Relocate::relocate): Likewise.
5463         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5464         Likewise.
5465
5466 2010-08-03  Cary Coutant  <ccoutant@google.com>
5467
5468         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5469         to reserve space in merged_strings vector. Keep total input size
5470         for stats.
5471         (Output_merge_string::do_print_merge_stats): Print total input size.
5472         * merge.h (Output_merge_string): Add input_size_ field.
5473         * stringpool.cc (Stringpool_template::string_length): Move
5474         implementations out of Stringpool_template class and place in
5475         stringpool.h.
5476         * stringpool.h (string_length): Move out of Stringpool_template.
5477
5478 2010-08-03  Ian Lance Taylor  <iant@google.com>
5479
5480         PR 11712
5481         * layout.cc (relaxation_loop_body): If address of load segment is
5482         set, adjust address to include headers if possible.
5483
5484 2010-08-03  Ian Lance Taylor  <iant@google.com>
5485
5486         * version.cc (version_string): Bump to 1.10.
5487
5488 2010-08-03  Ian Lance Taylor  <iant@google.com>
5489
5490         PR 11805
5491         * layout.h (enum Output_section_order): Define.
5492         (class Layout): Update declarations.
5493         * layout.cc (Layout::get_output_section): Add order parameter.
5494         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5495         is_first_non_relro parameters.  Change all callers.
5496         (Layout::choose_output_section): Likewise.
5497         (Layout::add_output_section_data): Likewise.
5498         (Layout::make_output_section): Likewise.  Set order.
5499         (Layout::default_section_order): New function.
5500         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5501         * output.cc (Output_section::Output_section): Initialize order_.
5502         Don't initialize deleted fields.
5503         (Output_segment::Output_segment): Don't initialize deleted
5504         fields.
5505         (Output_segment::add_output_section_to_load): New function
5506         replacing add_output_section.  Change all callers to call this or
5507         add_output_section_to_nonload.
5508         (Output_segment::add_output_section_to_nonload): New function.
5509         (Output_segment::remove_output_section): Rewrite.
5510         (Output_segment::add_initial_output_data): Likewise.
5511         (Output_segment::has_any_data_sections): Likewise.
5512         (Output_segment::is_first_section_relro): Likewise.
5513         (Output_segment::maximum_alignment): Likewise.
5514         (Output_segment::has_dynamic_reloc): New function replacing
5515         dynamic_reloc_count.  Change all callers.
5516         (Output_segment::has_dynamic_reloc_list): New function replacing
5517         dynamic_reloc_count_list.  Change all callers.
5518         (Output_segment::set_section_addresses): Rewrite.
5519         (Output_segment::set_offset): Rewrite.
5520         (Output_segment::find_first_and_last_list): Remove.
5521         (Output_segment::set_tls_offsets): Rewrite.
5522         (Output_segment::first_section_load_address): Likewise.
5523         (Output_segment::output_section_count): Likewise.
5524         (Output_segment::section_with_lowest_load_address): Likewise.
5525         (Output_segment::write_section_headers): Likewise.
5526         (Output_segment::print_sections_to_map): Likewise.
5527         * output.h (class Output_data): Remove dynamic_reloc_count_
5528         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5529         (Output_data::add_dynamic_reloc): Rewrite.
5530         (Output_data::has_dynamic_reloc): New function.
5531         (Output_data::dynamic_reloc_count): Remove.
5532         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5533         is_last_relro_, is_first_non_relro_, is_interp_,
5534         is_dynamic_linker_section_ fields.  Add order and set_order
5535         functions.  Remove is_relro_local, set_is_relro_local,
5536         is_last_relro, set_is_last_relro, is_first_non_relro,
5537         set_is_first_non_relro functions, is_interp, set_is_interp,
5538         is_dynamic_linker_section, and set_is_dynamic_linker_section
5539         functions.
5540         (class Output_segment): Change Output_data_list from std::list to
5541         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5542         output_bss_ fields.  Update declarations.
5543
5544 2010-08-02  Ian Lance Taylor  <iant@google.com>
5545
5546         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5547         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5548         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5549
5550 2010-08-02  Ian Lance Taylor  <iant@google.com>
5551
5552         PR 11855
5553         * script.cc (Script_options::Script_options): Initialize
5554         symbol_definitions_ and symbol_references_.
5555         (Script_options::add_symbol_assignment): Update
5556         symbol_definitions_ and symbol_references_.
5557         (Script_options::add_symbol_reference): New function.
5558         (script_symbol): New function.
5559         * script.h (class Script_options): Add symbol_definitions_ and
5560         symbol_references_ fields.
5561         (Script_options::referenced_const_iterator): New type.
5562         (Script_options::referenced_begin): New function.
5563         (Script_options::referenced_end): New function.
5564         (Script_options::is_referenced): New function.
5565         (Script_options::any_unreferenced): New function.
5566         * script-c.h (script_symbol): Declare.
5567         * yyscript.y (exp): Call script_symbol.
5568         * symtab.cc: Include "script.h".
5569         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5570         Change all callers.  Check symbols referenced by scripts.
5571         (Symbol_table::add_undefined_symbols_from_command_line): Add
5572         layout parameter.  Change all callers.
5573         (Symbol_table::do_add_undefined_symbols_from_command_line):
5574         Likewise.  Break out loop body.  Check symbols referenced by
5575         scripts.
5576         (Symbol_table::add_undefined_symbol_from_command_line): New
5577         function broken out of
5578         do_add_undefined_symbols_from_command_line.
5579         * symtab.h (class Symbol_table): Update declarations.
5580         * archive.cc: Include "layout.h".
5581         (Archive::should_include_member): Add layout parameter.  Change
5582         all callers.  Check for symbol mentioned in expression.
5583         * archive.h (class Archive): Update declaration.
5584         * object.cc (Sized_relobj::do_should_include_member): Add layout
5585         parameter.
5586         * object.h (Object::should_include_member): Add layout parameter.
5587         Change all callers.
5588         (Object::do_should_include_member): Add layout parameter.
5589         (class Sized_relobj): Update declaration.
5590         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5591         parameter.
5592         * dynobj.h (class Sized_dynobj): Update declaration.
5593         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5594         layout parameter.
5595         * plugin.h (class Sized_pluginobj): Update declaration.
5596
5597 2010-08-02  Ian Lance Taylor  <iant@google.com>
5598
5599         PR 11866
5600         * output.cc (Output_segment::set_offset): Search for the first and
5601         last sections rather than assuming that the list is in order.
5602         (Output_segment::find_first_and_last_list): New function.
5603         * output.h (class Output_segment): Update declarations.
5604         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5605         (relro_strip_test_SOURCES): New variable.
5606         (relro_strip_test_DEPENDENCIES): New variable.
5607         (relro_strip_test_LDFLAGS): New variable.
5608         (relro_strip_test_LDADD): New variable.
5609         (relro_strip_test.so): New target.
5610
5611 2010-08-02  Ian Lance Taylor  <iant@google.com>
5612
5613         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5614         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5615         (Target_i386::got_tlsdesc_section): New function.
5616         (Target_i386::got_section): Create space for GOT entries for
5617         TLSDESC relocations.
5618         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5619         R_386_TLS_GOTDESC.
5620         (Target_i386::Scan::global): Likewise.
5621         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5622         using TLSDESC GOT.
5623         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5624         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5625         (Target_x86_64::got_tlsdesc_section): New function.
5626         (Target_x86_64::got_section): Create space for GOT entries for
5627         TLSDESC relocations.
5628         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5629         R_386_TLS_GOTDESC.
5630         (Target_x86_64::Scan::global): Likewise.
5631         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5632         using TLSDESC GOT.
5633
5634 2010-08-02  Ian Lance Taylor  <iant@google.com>
5635
5636         * testsuite/final_layout.sh: Use dc to convert from hex to
5637         decimal.
5638
5639 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5640
5641         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5642         paramter to the call to gold::gc_process_relocs.
5643         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5644         paramter to the call to gold::gc_process_relocs.
5645         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5646         parameter to the call to gold::gc_process_relocs.
5647         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5648         template parameter to the call to gold::gc_process_relocs.
5649         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5650         paramter to the call to gold::gc_process_relocs.
5651         * gc.h (get_embedded_addend_size): New function.
5652         (gc_process_relocs): Save the size of the reloc for use by ICF.
5653         * icf.cc (get_section_contents): Get the addend from the text section
5654         for SHT_REL relocation sections.
5655         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5656         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5657         * int_encoding.h (read_from_pointer): New overloaded function.
5658         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5659         * testsuite/icf_sht_rel_addend_test.sh: New file.
5660         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5661         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5662
5663 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5664
5665         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5666         * Makefile.in: Regenerate.
5667         * testsuite/Makefile.in: Regenerate.
5668
5669 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5670
5671         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5672         * gold/testsuite/debug_msg.cc: Likewise.
5673         * gold/testsuite/odr_violation1.cc
5674         * gold/testsuite/odr_violation2.cc
5675
5676 2010-07-21  Cary Coutant  <ccoutant@google.com>
5677
5678         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5679         string, and length fields.
5680         (Output_merge_string::Merged_strings_list): New type.
5681         (Output_merge_string::Merged_strings_lists): New typedef.
5682         (Output_merge_string): Replace merged_strings_ with
5683         merged_strings_lists_.
5684         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5685         Merged_strings_list per input object and section.  Don't store pointer
5686         to the string.  Don't store length with each merged string entry.
5687         (Output_merge_string::finalize_merged_data): Loop over list of merged
5688         strings lists.  Recompute length of each merged string.
5689
5690 2010-07-15  Cary Coutant  <ccoutant@google.com>
5691
5692         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5693         here.
5694
5695 2010-07-14  Ian Lance Taylor  <iant@google.com>
5696
5697         * descriptors.cc (Descriptors::open): Report correct name in error
5698         message.
5699
5700 2010-07-13  Doug Kwan  <dougkwan@google.com>
5701
5702         * arm.cc (Arm_input_section::Arm_input_section): For a
5703         SHT_ARM_EXIDX section, always keeps the input sections.
5704         (Arm_input_section::set_exidx_section_link): New method.
5705         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5706         has_errors_ to false.
5707         (Arm_exidx_input_section::has_errors,
5708         Arm_exidx_input_section::set_has_errors): New methods.
5709         (Arm_exidx_input_section::has_errors_): New data member.
5710         (Arm_relobj::get_exidx_shndx_list): New method.
5711         (Arm_output_section::append_text_sections_to_list): Do not skip
5712         section without SHF_EXECINSTR.
5713         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5714         errors.
5715         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5716         section header.  Make error messages more verbose.  Check for
5717         a non-executable section linked to an EXIDX section.
5718         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5719         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5720         check that there is no deferred EXIDX section if we exit early.
5721         Instead of not making an EXIDX section in case of an error, make one
5722         and set the has_errors flag of it.
5723         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5724         in a relocatable link.
5725         (Target_arm::do_relax): Look for the EXIDX output section instead of
5726         assuming that it is called .ARM.exidx.
5727         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5728         section list.  Do not check for SHF_EXECINSTR section flags but
5729         skip any input section with errors.
5730         * output.cc (Output_section::Output_section): Initialize
5731         always_keeps_input_sections_ to false.
5732         (Output_section::add_input_section): Check for
5733         always_keeps_input_sections_.
5734         *  output.h (Output_section::always_keeps_input_sections,
5735         Output_section::set_always_keeps_input_sections): New methods.
5736         (Output_section::always_keeps_input_sections): New data member.
5737
5738 2010-07-13  Rafael Espindola  <espindola@google.com>
5739
5740         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5741         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5742
5743 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5744             Ian Lance Taylor  <iant@google.com>
5745
5746         * output.h (Output_section_lookup_maps::add_merge_section):
5747         Correct check of whether value was inserted.
5748         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5749         (Output_section_lookup_maps::add_relaxed_input_section):
5750         Likewise.
5751         * arm.cc (Target_arm::got_section): Remove used local os.
5752         * i386.cc (Target_i386::got_section): Likewise.
5753         * x86_64.cc (Target_x86_64::got_section): Likewise.
5754         * sparc.cc (Target_sparc::got_section): Likewise.
5755         (Target_sparc::relocate): Remove unused local have_got_offset.
5756         * powerpc.cc (Target_powerpc::relocate): Likewise.
5757
5758 2010-07-13  Ian Lance Taylor  <iant@google.com>
5759
5760         * compressed_output.cc (zlib_decompress): Fix signature in
5761         !HAVE_ZLIB_H case.
5762
5763         * archive.cc (Archive::include_member): Unlock an external member
5764         of a thin archive.  Don't bother to delete an object we know is
5765         NULL.
5766
5767 2010-07-12  Cary Coutant  <ccoutant@google.com>
5768
5769         * compressed_output.cc (zlib_decompress): New function.
5770         (get_uncompressed_size): New function.
5771         (decompress_input_section): New function.
5772         * compressed_output.h (get_uncompressed_size): New function.
5773         (decompress_input_section): New function.
5774         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5775         Handle compressed debug sections.
5776         * layout.cc (is_compressed_debug_section): New function.
5777         (Layout::output_section_name): Map compressed section names to
5778         canonical names.
5779         * layout.h (is_compressed_debug_section): New function.
5780         (is_debug_info_section): Recognize compressed debug sections.
5781         * merge.cc: Include compressed_output.h.
5782         (Output_merge_data::do_add_input_section): Handle compressed
5783         debug sections.
5784         (Output_merge_string::do_add_input_section): Handle compressed
5785         debug sections.
5786         * object.cc: Include compressed_output.h.
5787         (Sized_relobj::Sized_relobj): Initialize new data members.
5788         (build_compressed_section_map): New function.
5789         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5790         * object.h (Object::section_is_compressed): New method.
5791         (Object::do_section_is_compressed): New method.
5792         (Sized_relobj::Compressed_section_map): New type.
5793         (Sized_relobj::do_section_is_compressed): New method.
5794         (Sized_relobj::compressed_sections_): New data member.
5795         * output.cc (Output_section::add_input_section): Handle compressed
5796         debug sections.
5797         * reloc.cc: Include compressed_output.h.
5798         (Sized_relobj::write_sections): Handle compressed debug sections.
5799
5800 2010-07-08  Cary Coutant  <ccoutant@google.com>
5801
5802         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5803         weak when resolving to a dynamic def.
5804         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5805         for weak undef/dynamic def cases. Adjust callers.
5806         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5807         undef_binding_weak_.
5808         (Symbol_table::sized_write_globals): Adjust symbol binding.
5809         (Symbol_table::sized_write_symbol): Add binding parameter.
5810         * symtab.h (Symbol::set_undef_binding): New method.
5811         (Symbol::is_undef_binding_weak): New method.
5812         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5813         (Symbol_table::should_override): Add new parameter.
5814         (Symbol_table::sized_write_symbol): Add new parameter.
5815
5816         * testsuite/weak_undef_file1.cc: Add new test case.
5817         * testsuite/weak_undef_file2.cc: Fix header comment.
5818         * testsuite/weak_undef_test.cc: Add new test case.
5819
5820 2010-06-29  Doug Kwan  <dougkwan@google.com>
5821
5822         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5823         Initialize USE_SYMBOL_.
5824         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5825         definition.
5826         (Arm_reloc_property::uses_symbol_): New data member declaration.
5827         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5828         uses symbol value and symbol is undefined but not weakly undefined.
5829
5830 2010-06-28  Rafael Espindola  <espindola@google.com>
5831
5832         * plugin.cc (Plugin::load): Use dlerror.
5833
5834 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5835
5836         * symtab.cc (detect_odr_violations): When reporting an ODR
5837         violation, report an object where the symbol is defined.
5838
5839 2010-06-25  Doug Kwan  <dougkwan@google.com>
5840
5841         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5842         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5843         definition.
5844         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5845         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5846         target hook to detect function points.
5847         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5848         * icf.h (Icf::check_section_for_function_pointers): Change type of
5849         parameter SECTION_NAME to const reference to std::string.  Use
5850         target hook to determine if section may have unsafe pointers.
5851         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5852         method definition.
5853
5854 2010-06-21  Rafael Espindola  <espindola@google.com>
5855
5856         * fileread.cc (Input_file::find_fie): New
5857         (Input_file::open): Use Input_file::find_fie.
5858         * fileread.h (Input_file::find_fie): New
5859         * plugin.cc (set_extra_library_path): New.
5860         (Plugin::load): Add set_extra_library_path to the transfer vector.
5861         (Plugin_manager::set_extra_library_path): New.
5862         (Plugin_manager::add_input_file): Use the extra search path if set.
5863         (set_extra_library_path(): New.
5864         * plugin.h (Plugin_manager): Add set_extra_library_path and
5865         extra_search_path_.
5866
5867 2010-06-19  Cary Coutant  <ccoutant@google.com>
5868
5869         * layout.cc (gdb_sections): Add .debug_types.
5870         (lines_only_debug_sections): Likewise.
5871
5872 2010-06-18  Rafael Espindola  <espindola@google.com>
5873
5874         * plugin.cc (add_input_file,add_input_library)
5875         (Plugin_manager::add_input_file): Make filename arguments const.
5876         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5877         const.
5878
5879 2010-06-16  Doug Kwan  <dougkwan@google.com>
5880
5881         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5882         .ARM.attributes section if we have not merged any input
5883         attributes sections.
5884
5885 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5886
5887         * arm.cc: Allow combining objects with no EABI version
5888         information.
5889
5890 2010-06-15  Rafael Espindola  <espindola@google.com>
5891
5892         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5893
5894 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5895
5896         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5897         (struct iovec): Correct !HAVE_READV definition.
5898
5899 2010-06-10  Cary Coutant  <ccoutant@google.com>
5900
5901         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5902         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5903         reloc sections.
5904         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5905
5906         PR 11683
5907         * symtab.h (Symbol::is_placeholder): New member function.
5908         * target-reloc.h (relocate_section): Check for placeholder symbols.
5909
5910         * testsuite/Makefile.am (plugin_test_8): New test.
5911         (plugin_test_9): New test.
5912         * testsuite/Makefile.in: Regenerate.
5913
5914 2010-06-09  Nick Clifton  <nickc@redhat.com>
5915
5916         * yyscript.y (input_list_element): Allow strings prefixed with
5917         the '-' character.  Treat these as libraries.
5918         * script.cc (script_add_library): New function.  Adds a library
5919         specified by "-l<name>" found in an input script.
5920         * script-c.h: Add prototype for script_add_library.
5921
5922 2010-06-07  Doug Kwan  <dougkwan@google.com>
5923
5924         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5925         Restrict stub-group size to be within long conditional branch
5926         range when working around cortex-A8 erratum.
5927
5928 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5929
5930         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5931         #ifdef typo.
5932
5933 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5934
5935         PR gold/11658
5936         * output.cc
5937         (Output_section::Input_section_sort_entry::compare_section_ordering):
5938         Change to return non-zero correctly.
5939         (Output_section::Input_section_sort_section_order_index_compare
5940         ::operator()): Change to fix ambiguity in comparisons.
5941
5942 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5943
5944         * gold.h (is_wildcard_string): New function.
5945         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5946         (Layout::layout_eh_frame): Ditto.
5947         (Layout::find_section_order_index): New method.
5948         (Layout::read_layout_from_file): New method.
5949         * layout.h (Layout::find_section_order_index): New method.
5950         (Layout::read_layout_from_file): New method.
5951         (Layout::input_section_position_): New private member.
5952         (Layout::input_section_glob_): New private member.
5953         * main.cc (main): Call read_layout_from_file here.
5954         * options.h (--section-ordering-file): New option.
5955         * output.cc (Output_section::input_section_order_specified_): New
5956         member.
5957         (Output_section::Output_section): Initialize new member.
5958         (Output_section::add_input_section): Add new parameter.
5959         Keep input sections when --section-ordering-file is used.
5960         (Output_section::set_final_data_size): Sort input sections when
5961         section ordering file is specified.
5962         (Output_section::Input_section_sort_entry): Add new parameter.
5963         Check sorting type.
5964         (Output_section::Input_section_sort_entry::compare_section_ordering):
5965         New method.
5966         (Output_section::Input_section_sort_compare::operator()): Change to
5967         consider section_order_index.
5968         (Output_section::Input_section_sort_init_fini_compare::operator()):
5969         Change to consider section_order_index.
5970         (Output_section::Input_section_sort_section_order_index_compare
5971         ::operator()): New method.
5972         (Output_section::sort_attached_input_sections): Change to sort
5973         according to section order when specified.
5974         (Output_section::add_input_section<32, true>): Add new parameter.
5975         (Output_section::add_input_section<64, true>): Add new parameter.
5976         (Output_section::add_input_section<32, false>): Add new parameter.
5977         (Output_section::add_input_section<64, false>): Add new parameter.
5978         * output.h (Output_section::add_input_section): Add new parameter.
5979         (Output_section::input_section_order_specified): New
5980         method.
5981         (Output_section::set_input_section_order_specified): New method.
5982         (Input_section::Input_section): Initialize section_order_index_.
5983         (Input_section::section_order_index): New method.
5984         (Input_section::set_section_order_index): New method.
5985         (Input_section::section_order_index_): New member.
5986         (Input_section::Input_section_sort_section_order_index_compare): New
5987         struct.
5988         (Output_section::input_section_order_specified_): New member.
5989         * script-sections.cc (is_wildcard_string): Delete and move modified
5990         method to gold.h.
5991         (Output_section_element_input::Output_section_element_input): Modify
5992         call to is_wildcard_string.
5993         (Output_section_element_input::Input_section_pattern
5994         ::Input_section_pattern): Ditto.
5995         (Output_section_element_input::Output_section_element_input): Ditto.
5996         * testsuite/Makefile.am (final_layout): New test case.
5997         * testsuite/Makefile.in: Regenerate.
5998         * testsuite/final_layout.cc: New file.
5999         * testsuite/final_layout.sh: New file.
6000
6001 2010-06-01  Rafael Espindola  <espindola@google.com>
6002
6003         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6004
6005 2010-06-01  Rafael Espindola  <espindola@google.com>
6006
6007         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6008         visibility of symbols.
6009
6010 2010-05-27  Doug Kwan  <dougkwan@google.com>
6011
6012         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6013         from start of output section instead of address for a local symbol
6014         in a merged or relaxed section when doing a relocatable link.
6015
6016 2010-05-26  Rafael Espindola  <espindola@google.com>
6017
6018         PR 11604
6019         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6020         adding sections the garbage collector removed.
6021         * gold/testsuite/Makefile.am: Add test.
6022         * gold/testsuite/Makefile.in: Regenerate.
6023         * gold/testsuite/plugin_test_7.sh: New.
6024         * gold/testsuite/plugin_test_7_1.c: New.
6025         * gold/testsuite/plugin_test_7_2.c: New.
6026
6027 2010-05-26  Rafael Espindola  <espindola@google.com>
6028
6029         * script-sections.cc (Output_section_definition::set_section_addresses):
6030         Check for --section-start.
6031
6032 2010-05-26  Doug Kwan  <dougkwan@google.com>
6033
6034         * arm.cc (Arm_scan_relocatable_relocs): New class.
6035         (Target_arm::relocate_special_relocatable): New method.
6036         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6037         (Arm_relocate_functions::thumb_branch_common): Same.
6038         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6039         instead of Default_scan_relocatable_relocs.
6040         * target-reloc.h (relocate_for_relocatable): Let target handle
6041         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6042         * target.h (Sized_target::relocate_special_relocatable): New method.
6043
6044 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6045
6046         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6047
6048 2010-05-23  Doug Kwan  <dougkwan@google.com>
6049
6050         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6051         instead of a cast.
6052         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6053         with a direct branch, not a conditional branch, to a stub.
6054         * merge.cc (Output_merge_base::record_input_section): New method
6055         defintion.
6056         (Output_merge_data::do_add_input_section): Record input section if
6057         keeps-input-sections flag is set.
6058         (Output_merge_string::do_add_input_section): Ditto.
6059         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6060         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6061         INPUT_SECTIONS_.
6062         (Output_merge_base::keeps_input_sections,
6063         Output_merge_base::set_keeps_input_sections,
6064         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6065         method definitions.
6066         (Output_merge_base::Input_sections): New type declaration.
6067         (Output_merge_base::input_sections_begin,
6068         Output_merge_base::input_sections_end,
6069         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6070         (Output_merge_base::bool keeps_input_sections_,
6071         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6072         Output_merge_base::input_sections_): New data members.
6073         (Output_merge_data::do_set_keeps_input_sections): New method
6074         defintion.
6075         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6076         * output.cc (Output_section::Input_section::relobj): Move method
6077         defintion from class declaration to here and handle merge sections.
6078         (Output_section::Input_section::shndx): Ditto.
6079         (Output_section::Output_section): Remove initializations of removed
6080         data members and initialize new data member LOOKUP_MAPS_.
6081         (Output_section::add_input_section): Set keeps-input-sections flag
6082         for a newly created merge output section as appropriate.  Adjust code
6083         to use Output_section_lookup_maps class.
6084         (Output_section::add_relaxed_input_section): Adjst code for lookup
6085         maps code refactoring.
6086         (Output_section::add_merge_input_section): Add a new parameter
6087         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6088         class.  If adding input section to a newly created merge output
6089         section fails, remove the new merge section.
6090         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6091         Adjust code for use of the Output_section_lookup_maps class.
6092         (Output_section::find_merge_section): Ditto.
6093         (Output_section::build_lookup_maps): New method defintion.
6094         (Output_section::find_relaxed_input_section): Adjust code to use
6095         Output_section_lookup_maps class.
6096         (Output_section::get_input_sections): Export merge sections.  Adjust
6097         code to use Output_section_lookup_maps class.
6098         (Output_section:::add_script_input_section): Adjust code to use
6099         Output_section_lookup_maps class.  Update lookup maps for merge
6100         sections also.
6101         (Output_section::discard_states): Use Output_section_lookup_maps.
6102         (Output_section::restore_states): Same.
6103         * output.h (Merge_section_properties): Move class defintion out of
6104         Output_section.
6105         (Output_section_lookup_maps): New class.
6106         (Output_section::Input_section::is_merge_section): New method
6107         defintion.
6108         (Output_section::Input_section::relobj): Move defintion out of class
6109         defintion.  Declare method only.
6110         (Output_section::Input_section::shndx): Ditto.
6111         (Output_section::Input_section::output_merge_base): New method defintion.
6112         (Output_section::Input_section::u2_.pomb): New union field.
6113         (Output_section::Merge_section_by_properties_map,
6114         Output_section::Output_section_data_by_input_section_map,
6115         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6116         Remove types.
6117         (Output_section::add_merge_input_section): Add new parameter
6118         KEEPS_INPUT_SECTIONS.
6119         (Output_section::build_lookup_maps): New method declaration.
6120         (Output_section::merge_section_map_,
6121         Output_section::merge_section_by_properties_map_,
6122         Output_section::relaxed_input_section_map_,
6123         Output_section::is_relaxed_input_section_map_valid_): Remove data
6124         members.
6125         (Output_section::lookup_maps_): New data member.
6126
6127 2010-05-21  Doug Kwan  <dougkwan@google.com>
6128
6129         PR gold/11619
6130         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6131         avoid a compilation error.
6132
6133 2010-05-19  Rafael Espindola  <espindola@google.com>
6134
6135         * script-sections.cc (Output_section_definition::allocate_to_segment):
6136         Update the phdrs_list even when the output section is NULL.
6137         * testsuite/Makefile.am: Add test.
6138         * testsuite/Makefile.in: Regenerate.
6139         * testsuite/script_test_9.cc: New.
6140         * testsuite/script_test_9.sh: New.
6141         * testsuite/script_test_9.t: New.
6142
6143 2010-05-19  Doug Kwan  <dougkwan@google.com>
6144
6145         * arm.cc (Arm_input_section::original_size): New method.
6146         (Arm_input_section::do_addralign): Add a cast.
6147         (Arm_input_section::do_output_offset): Remove static cast.
6148         (Arm_input_section::original_addralign,
6149          Arm_input_section::original_size_): Change type to uint32_t.
6150         (Arm_input_section::init): Add safe casts for section alignment
6151         and size.
6152         (Arm_input_section::set_final_data_size): Do not set address and
6153         offset of stub table.
6154         (Arm_output_section::fix_exidx_coverage): Change use of of
6155         Output_section::Simple_input_section to that of
6156         Output_section::Input_section.
6157         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6158         except for the first pass.
6159         * output.cc (Output_section::get_input_sections): Change type of
6160         input_sections to std::list<Input_section>.
6161         (Output_section::add_script_input_section): Rename from
6162         Output_section::add_simple_input_section.  Change type of SIS
6163         parameter from Simple_input_section to Input_section.
6164         * output.h (Output_section::Simple_input_section): Remove class.
6165         (Output_section::Input_section): Change class visibility to public.
6166         (Output_section::Input_section::addralign): Use stored alignments
6167         for special input sections if set.
6168         (Output_section::Input_section::set_addralign): New method.
6169         (Output_section::get_input_sections): Change parameter type from
6170         list of Simple_input_section to list of Input_section.
6171         (Output_section::add_script_input_section): Rename from
6172         Output_section::add_simple_input_section. Change first parameter's
6173         type from Simple_input_section to Input_section and remove the
6174         second and third parameters.
6175         * script-sections.cc (Input_section::Input_section_list): Change
6176         type to list of Output_section::Input_section/
6177         (Input_section_info::Input_section_info): Change parameter type of
6178         INPUT_SECTION to Output_section::Input_section.
6179         (Input_section_info::input_section): Change return type.
6180         (Input_section_info::input_section_): Change type to
6181         Output_section::Input_section.
6182         (Output_section_element_input::set_section_addresses): Adjust code
6183         to use Output_section::Input_section instead of
6184         Output_section::Simple_input_section.  Adjust code for renaming
6185         of Output_section::add_simple_input_section.
6186         (Orphan_output_section::set_section_addresses): Ditto.
6187
6188 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6189
6190         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6191         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6192
6193 2010-05-18  Rafael Espindola  <espindola@google.com>
6194
6195         * options.cc (General_options::finalize): Handle -nostdlib.
6196         * options.h (nostdlib): New option.
6197         * script.cc (script_add_search_dir): Handle -nostdlib.
6198
6199 2010-05-12  Doug Kwan  <dougkwan@google.com>
6200
6201         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6202         attributes section only if there no attributes section after merging.
6203         (Target_arm::merge_object_attributes): Move value of
6204         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6205         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6206         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6207         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6208         and arm_attr_merge_7.stdout.
6209         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6210         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6211         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6212         arm_attr_merge_7b.o): New rules.
6213         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6214         arm_attr_merge_7
6215         * testsuite/Makefile.in: Regenerate.
6216         * testsuite/arm_attr_merge.sh: New file.
6217         * testsuite/arm_attr_merge_[67][ab].s: Same.
6218
6219 2010-05-05  Nick Clifton  <nickc@redhat.com>
6220
6221         * po/es.po: Updated Spanish translation.
6222
6223 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6224
6225         * Makefile.am (install-exec-local): Properly install gold as
6226         default cross linker.
6227         * Makefile.in: Regenerated.
6228
6229 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6230             Nick Clifton  <nickc@redhat.com>
6231
6232         * configure.ac (install_as_default): Define and set to false
6233         unless --enable-gold or --enable-gold=both/gold has been
6234         specified.
6235         * configure: Regenerate.
6236
6237         * Makefile.am (install-exec-local): Install the executable as
6238         'ld.gold'.  If install_as_default is true then also install it as
6239         'ld'.
6240         * Makefile.in: Regenerated.
6241
6242 2010-04-24  Ian Lance Taylor  <iant@google.com>
6243
6244         * layout.cc (Layout::layout_reloc): In relocatable link don't
6245         combine reloc sections for grouped sections.
6246
6247 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6248
6249         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6250         sections that are not ordinary to icf.
6251         * icf.cc (get_section_contents): Handle relocation pointing to section
6252         with no object or shndx information.
6253         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6254         * testsuite/Makefile.in: Regenerate.
6255         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6256         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6257
6258 2010-04-22  Ian Lance Taylor  <iant@google.com>
6259
6260         * expression.cc (Expression::Expression_eval_info): Add
6261         result_alignment_pointer field.
6262         (Expression::eval_with_dot): Add result_alignment_pointer
6263         parameter.  Change all callers.
6264         (Expression::eval_maybe_dot): Likewise.
6265         (class Binary_expression): Add alignment_pointer parameter to
6266         left_value and right_value.  Change all callers.
6267         (BINARY_EXPRESSION): Set result alignment.
6268         (class Trinary_expression): Add alignment_pointer parameter to
6269         arg2_value and arg3_value.  Change all callers.
6270         (Trinary_cond::value): Set result alignment.
6271         (Max_expression::value, Min_expression::value): Likewise.
6272         (Align_expression::value): Likewise.
6273         * script-sections.cc (class Sections_element): Add dot_alignment
6274         parameter to set_section_addresses virtual function.  Update
6275         instantiations.
6276         (class Output_section_element): Likewise.
6277         (Script_sections::create_segments): Add dot_alignment parameter.
6278         Change all callers.
6279         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6280         (Script_sections::set_phdrs_clause_addresses): Likewise.
6281         * script-sections.h: Update declarations.
6282         * script.h: Update declarations.
6283         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6284         min_p_align.
6285         * testsuite/script_test_3.t: Set large alignment.
6286         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6287         segment has expected alignment.
6288
6289 2010-04-22  Nick Clifton  <nickc@redhat.com>
6290
6291         * po/gold.pot: Updated by the Translation project.
6292         * po/vi.po: Updated Vietnamese translation.
6293
6294 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6295
6296         * testsuite/Makefile.am (check_PROGRAMS): Add
6297         icf_virtual_function_folding_test.
6298         * testsuite/Makefile.in: Regenerated.
6299
6300 2010-04-15  Andrew Haley  <aph@redhat.com>
6301
6302         * options.h (merge_exidx_entries): New option.
6303         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6304         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6305         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6306         (Target_arm::merge_exidx_entries): New function.
6307         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6308         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6309         to Arm_exidx_fixup constructor.
6310         Add new arg, merge_exidx_entries.
6311         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6312         Arm_output_section::fix_exidx_coverage.
6313
6314 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6315
6316         * icf.cc (get_section_contents): Check for preemptible functions.
6317         Ignore addend when appropriate.
6318         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6319         section folded.
6320         (add_from_relobj): Check for section folded.
6321         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6322         * symtab.h (should_add_dynsym_entry): Add new parameter.
6323         * target-reloc.h (scan_relocs): Check for section folded.
6324         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6325         Check reloc types for function pointers in shared objects.
6326         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6327         case.
6328         (icf_preemptible_functions_test): New test case.
6329         (icf_string_merge_test): New test case.
6330         * testsuite.Makefile.in: Regenerate.
6331         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6332         bar_glob.  Refactor code.
6333         * testsuite/icf_preemptible_functions_test.cc: New file.
6334         * testsuite/icf_preemptible_functions_test.sh: New file.
6335         * testsuite/icf_string_merge_test.cc: New file.
6336         * testsuite/icf_string_merge_test.sh: New file.
6337         * testsuite/icf_virtual_function_folding_test.cc: New file.
6338         * testsuite/icf_virtual_function_folding_test.sh: New file.
6339
6340 2010-04-14  Doug Kwan  <dougkwan@google.com>
6341
6342         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6343         for local symbol recounting if we remove a section due to ICF.
6344         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6345         there are no regular objects in input.
6346
6347 2010-04-13  Doug Kwan  <dougkwan@google.com>
6348
6349         * arm.cc (Arm_input_section::set_final_data_size): Compute
6350         accurate final data size instead of using current data size.
6351
6352 2010-04-09  Doug Kwan  <dougkwan@google.com>
6353
6354         * layout.cc (Layout::choose_output_section): Handle script section
6355         types.
6356         (Layout::make_output_section_for_script): Add section type parameter.
6357         Handle script section types.
6358         * layout.h (Layout::make_output_section_for_script): Add section
6359         type parameter.
6360         * output.cc (Output_section::Output_section): Initialize data member
6361         is_noload_.
6362         (Output_section::do_reset_address_and_file_offset): Do not set address
6363         to 0 if section is a NOLOAD section.
6364         * output.h (Output_section::is_noload): New method.
6365         (Output_section::set_is_noload): Ditto.
6366         (Output_section::is_noload_): New data member.
6367         * script-c.h (Script_section_type): New enum type.
6368         (struct Parser_output_section_header): Add new file section_type.
6369         * script-sections.cc (Sections_element::output_section_name): Add
6370         parameter for returning script section type.
6371         (Output_section_definition::output_section_name): Ditto.
6372         (Output_section_definition::section_type)P; New method.
6373         (Output_section_definiton::script_section_type_name): Ditto.
6374         (Output_section_definition::script_section_type_): New data member.
6375         (Output_section_definition::Output_section_definition): Initialize
6376         data member Output_section_definition::script_section_type_.
6377         (Output_section_definition::create_sections): Pass script section type
6378         to Layout::make_output_section_for_script.
6379         (Output_section_definition::output_section_name): Return script
6380         section type to caller.
6381         (Output_section_definition::set_section_address): Do not advance
6382         dot value and load address if section type is NOLOAD.  Set address
6383         of NOLOAD sections regardless of section flags.
6384         (Output_section_definition::print): Print section type if it is
6385         not SCRIPT_SECTION_TYPE_NONE.
6386         (Output_section_definition::section_type): New method.
6387         (Output_section_definition::script_section_type_name): Ditto.
6388         (Script_sections::output_section_name): Add new parameter
6389         PSECTION_TYPE for returning script section type.  Pass it to
6390         section elements.  Handle discard sections.
6391         (Sort_output_sections::operator()): Handle NOLOAD sections.
6392         * script-sections.h (Script_sections::Section_type): New enum type.
6393         (Script_sections::output_section_name): Add a new parameter for
6394         returning script section type.
6395         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6396         INFO and NOLOAD.
6397         * yyscript.y (union): Add new field SECTION_TYPE.
6398         (COPY, DSECT, INFO, NOLOAD): New tokens.
6399         (opt_address_and_section_type): Change type to output_section_header.
6400         (section_type): New non-terminal
6401         (section_header): Handle section type.
6402         (opt_address_and_section_type): Return section type value.
6403
6404 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6405
6406         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6407         * testsuite/plugin_common_test_2.c (foo): Likewise.
6408
6409 2010-04-08  Doug Kwan  <dougkwan@google.com>
6410
6411         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6412         Output_merge_data.
6413         * output.cc (Output_section::add_merge_input_section): Simplify
6414         code and return status of Output_merge_base::add_input_section.
6415         Update merge section map only if Output_merge_base::add_input_section
6416         returns true.
6417
6418 2010-04-07  Doug Kwan  <dougkwan@google.com>
6419
6420         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6421         if section is marked as containing instructions but has no mapping
6422         symbols.
6423         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6424         correct section index.
6425         (Arm_relobj::find_linked_text_section): Ditto.
6426
6427 2010-04-07  Cary Coutant  <ccoutant@google.com>
6428
6429         * archive.cc (include_member): Destroy Read_symbols_data object before
6430         releasing file.
6431         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6432         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6433         (Read_symbols_data::~Read_symbols_data) New destructor.
6434         (Section_relocs::Section_relocs) New constructor.
6435         (Section_relocs::~Section_relocs) New destructor.
6436         (Read_relocs_data::Read_relocs_data) New constructor.
6437         (Read_relocs_data::~Read_relocs_data) New destructor.
6438         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6439         pointers to NULL after deleting.
6440
6441 2010-04-07  Doug Kwan  <dougkwan@google.com>
6442
6443         * arm.cc: Replace "endianity" with "endianness" in comments.
6444         (Arm_exidx_cantunwind): Ditto.
6445         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6446         (Arm_relobj::merge_flags_and_attributes): New method.
6447         (Arm_relobj::merge_flags_and_attributes_): New data member.
6448         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6449         (Arm_relobj::scan_sections_for_stubs): Ditto.
6450         (Arm_relobj::do_read_symbols): Check to see if we really want to
6451         merge processor-specific flags and attributes.  Exit early if
6452         an object is empty except for section names and the undefined symbol.
6453         (Target_arm::do_finalize_sections): Move check for ELF format to
6454         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6455         attributes from a regular object only when we have determined that
6456         it is aapropriate.  Do not create an .ARM.attributes section in
6457         output if there is no regular input object.
6458         (Target_arm::merge_processor_specific_flags): Check
6459         --warn-mismatch before printing any error.
6460         (Target_arm::merge_object_attributes): Ditto.
6461         * gold.cc (queue_middle_tasks): Handle the case in which there is
6462         no regular object in input.
6463         * options.cc (General_options::parse_EB): New method.
6464         (General_options::parse_EL): Same.
6465         (General_options::General_options): Initialize endianness_.
6466         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6467         New options.
6468         (General_options::Endianness): New enum.
6469         (General_options::endianness): New method.
6470         (General_options::endianness_): New data member.
6471         * parameters.cc (Parameters::set_options): Check target endianness.
6472         (Parameters::set_target_once): Ditto.
6473         (Parameters::check_target_endianness): New method.
6474         (parameters_force_valid_target): If either -EL or -EB is specified,
6475         use it to define endianness of default target.
6476         * parameters.h (Parameters::check_target_endianness): New method
6477         declaration.
6478         * target.h (class Target): Change "endianity" to "endianness"
6479         in comments.
6480
6481 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6482
6483         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6484         * configure: Regenerate.
6485         * Makefile.in: Regenerate.
6486         * testsuite/Makefile.in: Regenerate.
6487
6488 2010-04-06  Cary Coutant  <ccoutant@google.com>
6489
6490         gcc PR lto/42757
6491         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6492         prevailing definitions of common symbols.
6493         * testsuite/plugin_test_6.sh: New test case.
6494         * testsuite/plugin_common_test_1.c: New test case.
6495         * testsuite/plugin_common_test_2.c: New test case.
6496         * testsuite/Makefile.am (plugin_test_6): New test case.
6497         * testsuite/Makefile.in: Regenerate.
6498
6499 2010-04-06  Nick Clifton  <nickc@redhat.com>
6500
6501         * po/vi.po: New Vietnamese translation.
6502
6503 2010-03-30  Doug Kwan  <dougkwan@google.com>
6504
6505         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6506
6507 2010-03-25  Doug Kwan  <dougkwan@google.com>
6508
6509         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6510         to avoid a conversion warning on a 32-bit host.
6511
6512 2010-03-24  Ian Lance Taylor  <iant@google.com>
6513
6514         * testsuite/script_test_3.t: Add a TLS segment.
6515         * testsuite/Makefile.am (check_PROGRAMS): Add
6516         tls_phdrs_script_test.
6517         (tls_phdrs_script_test_SOURCES): Define.
6518         (tls_phdrs_script_test_DEPENDENCIES): Define.
6519         (tls_phdrs_script_test_LDFLAGS): Define.
6520         (tls_phdrs_script_test_LDADD): Define.
6521         * testsuite/Makefile.in: Rebuild.
6522
6523 2010-03-23  Cary Coutant  <ccoutant@google.com>
6524
6525         * fileread.cc (find_or_make_view): Fix comment.
6526
6527 2010-03-23  Ian Lance Taylor  <iant@google.com>
6528
6529         * script-sections.cc (class Orphan_section_placement): Define
6530         PLACE_TLS and PLACE_TLS_BSS.
6531         (Orphan_section_placement::Orphan_section_placement): Initialize
6532         new places.
6533         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6534         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6535         (tls_script_test_SOURCES): Define.
6536         (tls_script_test_DEPENDENCIES): Define.
6537         (tls_script_test_LDFLAGS): Define.
6538         (tls_script_test_LDADD): Define.
6539         * testsuite/Makefile.in: Rebuild.
6540
6541 2010-03-22  Doug Kwan  <dougkwan@google.com>
6542
6543         * arm.cc (Arm_relocate_functions::abs8,
6544         Arm_relocate_functions::abs16): Use correct check for overflow
6545         specified in the ARM ELF specs.
6546         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6547         target of a BLX instruction specially.
6548         (Reloc_stub::stub_type_for_reloc): Ditto.
6549         (Relocate::relocate): Use symbolic names instead of numeric relocation
6550         codes to report error.
6551         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6552         workaround.
6553         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6554         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6555         thumb2_blx_out_of_range.stdout
6556         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6557         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6558         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6559         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6560         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6561         thumb2_blx_in_range, thumb2_blx_in_range.o,
6562         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6563         thumb2_blx_out_of_range.o): New rules.
6564         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6565         thumb2_blx_in_range and thumb2_blx_out_of_range.
6566         * testsuite/Makefile.in: Regenerate.
6567         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6568         * testsuite/thumb_blx_in_range.s: New file.
6569         * testsuite/thumb_blx_out_of_range.s: New file.
6570
6571 2010-03-22  Rafael Espindola  <espindola@google.com>
6572
6573         * archive.cc (Should_include): Move to archive.h.
6574         (should_include_member): Make it a member of Archive.
6575         (Lib_group): New.
6576         (Add_lib_group_symbols): New.
6577         * archive.h: Include options.h.
6578         (Archive_member): Moved from Archive.
6579         (Should_include): Moved from archive.cc.
6580         (Lib_group): New.
6581         (Add_lib_group_symbols): New.
6582         * dynobj.cc (do_should_include_member): New.
6583         * dynobj.h (do_should_include_member): New.
6584         * gold.cc (queue_initial_tasks): Update call to queue.
6585         * main.cc (main): Print lib group stats.
6586         * object.cc (do_should_include_member): New.
6587         * object.h: Include archive.h.
6588         (Object::should_include_member): New.
6589         (Object::do_should_include_member): New.
6590         (Sized_relobj::do_should_include_member): New.
6591         * options.cc (General_options::parse_start_lib): New.
6592         (General_options::parse_end_lib): New.
6593         (Input_arguments::add_file): Handle lib groups.
6594         (Input_arguments::start_group): Check we are not in a lib.
6595         (Input_arguments::start_lib): New.
6596         (Input_arguments::end_lib): New.
6597         * options.h (General_options): Add start_lib and end_lib.
6598         (Input_argument::lib_): New.
6599         (Input_argument::lib): New.
6600         (Input_argument::is_lib): New.
6601         (Input_file_lib): New.
6602         (Input_arguments::in_lib_): New.
6603         (Input_arguments::in_lib): New.
6604         (Input_arguments::start_lib): New.
6605         (Input_arguments::end_lib_): New.
6606         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6607         in unused members as preempted.
6608         (Sized_pluginobj::do_should_include_member): New.
6609         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6610         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6611         return the blocker.
6612         (Read_symbols::do_whole_lib_group): New.
6613         (Read_symbols::do_lib_group): New.
6614         (Read_symbols::do_read_symbols): Handle lib groups.
6615         (Read_symbols::get_name): Handle lib groups.
6616         * readsyms.h (Read_symbols): Add an archive member pointer.
6617         (Read_symbols::do_whole_lib_group): New.
6618         (Read_symbols::do_lib_group): New.
6619         (Read_symbols::member_): New.
6620         * script.cc (read_input_script): Update call to queue_soon.
6621
6622 2010-03-19  Doug Kwan  <dougkwan@google.com>
6623
6624         * arm.cc (Stub_table::Stub_table): Initialize new data members
6625         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6626         (Stub_table::add_reloc_stub): Assign stub offset and update
6627         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6628         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6629         New data members.
6630         (Stub_table::update_data_size_and_addralign): Use
6631         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6632         instead of going over all reloc stubs.
6633         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6634         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6635         Stringpool_template::offset_ to size of Stringpool_char.
6636         (Stringpool_template::new_key_offset): Remove code to initialize
6637         Stringpool_template::offset_.
6638         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6639         Stringpool_template::offset_ to zero.
6640
6641 2010-03-15  Doug Kwan  <dougkwan@google.com>
6642
6643         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6644         offset_.
6645         (Stringpool_template::new_key_offset): New method.
6646         (Stringpool_template::add_string): Assign offsets when adding new
6647         strings.
6648         (Stringpool_template::set_string_offsets): Do not set string offsets
6649         when not optimizing.
6650         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6651         member size_.
6652         (Chunked_vector::clear): Clear size_.
6653         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6654         (Chunked_vector::size): Return size_.
6655         (Chunked_vector::push_back): Use size_ to find insert position.
6656         (Chunked_vector::size_): New data member.
6657         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6658         (Stringpool_template::new_key_offset): New method declaration.
6659         (Stringpool_template::offset_): New data member.
6660
6661 2010-03-15   Rafael Espindola  <espindola@google.com>
6662
6663         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6664         Add_symbols' constructor.
6665         * readsyms.h (Add_symbols): Remove the input_group member.
6666
6667 2010-03-10  Ian Lance Taylor  <iant@google.com>
6668
6669         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6670         target to ask whether a reference to a symbol requires a stack
6671         split.
6672         * target.h (Target::is_call_to_non_split): New function.
6673         (Target::do_is_call_to_non_split): Declare virtual function.
6674         * target.cc: Include "symtab.h".
6675         (Target::do_is_call_to_non_split): New function.
6676         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6677
6678 2010-03-10  Cary Coutant  <ccoutant@google.com>
6679
6680         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6681         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6682         (File_read::open[2]): Add whole_file_view_ to list of views.
6683         (File_read::make_view): Remove test of whole_file_view_.
6684         (File_read::find_or_make_view): Create whole_file_view_ if
6685         necessary.
6686         (File_read::clear_views): Replace bool parameter with enum;
6687         adjust all callers.  Don't delete views with permanent data;
6688         do delete cached views and views from archives if
6689         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6690         if clearing the corresponding view.
6691         * fileread.h (File_read::Clear_views_mode): New enum.
6692         (File_read::View::is_permanent_view): New method.
6693         (File_read::clear_views): Replace bool parameter
6694         with enum; adjust all callers.
6695         * options.h (General_options): Change keep_files_mapped option;
6696         add map_whole_files.
6697         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6698         releasing the file.
6699         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6700         the file.
6701
6702 2010-03-10  David S. Miller  <davem@davemloft.net>
6703
6704         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6705
6706 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6707
6708         * icf.cc (get_section_contents): Add '@' marker after processing the
6709         merge reloc.
6710
6711 2010-03-08  Doug Kwan  <dougkwan@google.com>
6712
6713         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6714         due to a conversion warning.
6715         (Arm_relobj::update_output_local_symbol_count): Check for local
6716         symbol with unset output index.
6717
6718 2010-03-05  Ian Lance Taylor  <iant@google.com>
6719
6720         * options.h (class General_options): Add --spare-dynamic-tags.
6721         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6722         --spare-dynamic-tags.
6723
6724 2010-03-05  Ian Lance Taylor  <iant@google.com>
6725
6726         * incremental.cc: Include "libiberty.h".
6727
6728 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6729
6730         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6731         function, is_info_ member.
6732         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6733         (Versions::Versions): Update caller.
6734         (Versions::define_base_version): Likewise.
6735         (Versions::add_def): Likewise.
6736
6737 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6738
6739         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6740         (Scan::possible_function_pointer_reloc): New function.
6741         (Scan::local_reloc_may_be_function_pointer): Change to call
6742         possible_function_pointer_reloc.
6743         (Scan::global_reloc_may_be_function_pointer): Ditto.
6744         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6745         relocations in ".data.rel.ro._ZTV" section.
6746         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6747         * testsuite/icf_safe_so_test.cc: Ditto.
6748         * testsuite/icf_safe_test.cc: Ditto.
6749         * testsuite/icf_safe_test.sh: Ditto.
6750
6751 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6752             Ian Lance Taylor  <iant@google.com>
6753
6754         * target-reloc.h (relocate_section): Check the symbol table index
6755         for -1U before setting the local symbol index.
6756         (scan_relocatable_relocs): If copying the relocation, record that
6757         the local symbol is required.
6758         * object.h (Symbol_value::is_output_symtab_index_set): New
6759         function.
6760         (Symbol_value::may_be_discarded_from_output_symtab): New
6761         function.
6762         (Symbol_value::has_output_symtab_entry): New function.
6763         (Symbol_value::needs_output_symtab_entry): Remove.
6764         (Symbol_value::output_symtab_index): Make sure the symbol index is
6765         set.
6766         (Symbol_value::set_output_symtab_index): Make sure the symbol
6767         index is not set.  Make sure the new index is valid.
6768         (Symbol_value::set_must_have_output_symtab_entry): New function.
6769         (Symbol_value::has_output_dynsym_entry): New function.
6770         (Symbol_value::set_output_dynsym_index): Make sure the new index
6771         is valid.
6772         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6773         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6774         local symbol if permitted.
6775         (Sized_relobj::do_finalize_local_symbols): Call
6776         is_output_symtab_index_set rather than needs_output_symtab_entry.
6777         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6778         rather than needs_output_symtab_entry.  Call
6779         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6780         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6781         is_output_symtab_index_set rather than needs_output_symtab_entry.
6782         * testsuite/discard_locals_relocatable_test.c: New file.
6783         * testsuite/discard_locals_test.sh: Test -r.
6784         * testsuite/Makefile.am (check_DATA): Add
6785         discard_locals_relocatable_test1.syms,
6786         discard_local_relocatable_test2.syms.
6787         (MOSTLYCLEANFILES): Likewise.  Also add
6788         discard_locals_relocatable_test1.lout and
6789         discard_locals_relocatable_test2.out.
6790         (discard_locals_relocatable_test1.syms): New target.
6791         (discard_locals_relocatable_test.o): New target.
6792         (discard_locals_relocatable_test1.out): New target.
6793         (discard_locals_relocatable_test2.syms): New target.
6794         (discard_locals_relocatable_test2.out): New target.
6795         (various): Add missing ../ld-new dependencies.
6796         * testsuite/Makefile.in: Rebuild.
6797
6798 2010-03-03  Nick Clifton  <nickc@redhat.com>
6799
6800         * po/fi.po: New Finnish translation.
6801
6802 2010-03-01  Doug Kwan  <dougkwan@google.com>
6803
6804         * layout.cc (Layout::Layout): Force section types of .init_array*,
6805         .preinit_array* and .fini_array* sections.
6806         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6807         Fix check of return value of std::string::find.().
6808         (Output_section::Input_section_sort_compare::operator()): Remove
6809         comment about .init_array.
6810         (Output_section::Input_section_sort_init_fini_compare::operator()):
6811         New method.
6812         (Output_section::sort_attached_input_sections): Handle .init_array
6813         and .fini_array specially.
6814         * output.h (Output_section::Inut_section_sort_compare): Update
6815         comment.
6816         (Output_section::Input_section_sort_init_fini_compare): New struct.
6817
6818 2010-02-26  Doug Kwan  <dougkwan@google.com>
6819
6820         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6821         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6822         * testsuite/debug_msg.sh: Avoid matching source line number for
6823         use of global variable undef_int.
6824
6825 2010-02-26  Doug Kwan  <dougkwan@google.com>
6826
6827         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6828         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6829         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6830         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6831         * options.cc (General_options::General_options): Initialize member
6832         fix_v4bx_.
6833         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6834         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6835         and rm_no_fix_v4bx.stdout
6836         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6837         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6838         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6839         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6840         and arm_no_fix_v4bx.
6841         * Makefile.in: Regenerate.
6842         * testsuite/arm_fix_v4bx.s: New file.
6843         * testsuite/arm_fix_v4bx.sh: Ditto.
6844
6845 2010-02-24  Doug Kwan  <dougkwan@google.com>
6846
6847         * arm.cc (Target_arm::got_section): Make the .got section the first
6848         non RELRO section in the data segment.
6849         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6850         suffixes of section names.
6851
6852 2010-02-24  Doug Kwan  <dougkwan@google.com>
6853
6854         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6855         flags and attributes merging if an input file is a binary file.
6856         * fileread.cc (Input_file::open): Record format of original file.
6857         * fileread.h (Input_file::Format): New enum type.
6858         (Input_file::Input_file): Initialize data member format_.
6859         (Input_file::format): New method definition.
6860         (Input_file::format_):: New data member.
6861
6862 2010-02-24  Doug Kwan  <dougkwan@google.com>
6863
6864         * arm.cc (Arm_output_data_got): New class.
6865         (ARM_TCB_SIZE): New constant
6866         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6867         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6868         If user uses a script with a SECTIONS clause, issue only a warning
6869         for a misplaced EXIDX input section.  Otherwise, issue an error.
6870         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6871         garbage collection.
6872         (Target_arm::got_mode_index_entry): Handle static linking.
6873         (Target_arm::Scan::local): Ditto.
6874         (Target_arm::Scan::global): Ditto.
6875         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6876         all incorrectly implemented relocations.
6877         (Target_arm::fix_exidx_coverage): Pass layout to
6878         Arm_output_section::fix_exidx_coverage.
6879         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6880         from ".ARM.exidx." and ".ARM.extab.".
6881
6882 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6883
6884         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6885         section if it does not already exist.
6886         * attributes.cc (Attributes_section_data::Attributes_section_data):
6887         Don't crash if size is zero.
6888
6889 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6890             Ian Lance Taylor  <iant@google.com>
6891
6892         * gold.cc (queue_middle_tasks): If no input files were opened,
6893         exit.
6894         * workqueue.h (Task_function::Task_function): Assert that there is
6895         a blocker.
6896
6897 2010-02-22  Doug Kwan  <dougkwan@google.com>
6898
6899         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6900         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6901         types to avoid warnings due to different uint64_t implementations
6902         on different hosts.
6903
6904 2010-02-21  Doug Kwan  <dougkwan@google.com>
6905
6906         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6907         handling of the maximum backward branch offset.
6908         (Arm_relocate_functions::thumb_branch_common): Ditto.
6909         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6910         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6911         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6912         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6913         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6914         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6915         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6916         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6917         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6918         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6919         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6920         thumb2_bl_out_of_range.o): New rules.
6921         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6922         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6923         thumb2_bl_out_of_range
6924         * testsuite/Makefile.in: Regenerate.
6925         * testsuite/arm_bl_in_range.s: New file.
6926         * testsuite/arm_bl_out_of_range.s: Ditto.
6927         * testsuite/arm_branch_in_range.sh: Ditto.
6928         * testsuite/arm_branch_range.t: Ditto.
6929         * testsuite/thumb2_branch_range.t: Ditto.
6930         * testsuite/thumb_bl_in_range.s: Ditto.
6931         * testsuite/thumb_bl_out_of_range.s: Ditto.
6932         * testsuite/thumb_branch_range.t: Ditto.
6933
6934 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6935
6936         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6937         Add reloc offset information.
6938         * icf.cc (get_section_contents): Change iterators to point to the new
6939         vectors. Add reloc offset information to the contents.
6940         * icf.h (Icf::Sections_reachable_info): New typedef.
6941         (Icf::Sections_reachable_list): New typedef.
6942         (Icf::Offset_info): New typedef.
6943         (Icf::Reloc_info): New struct typedef.
6944         (Icf::Reloc_info_list): New typedef.
6945         (Icf::symbol_reloc_list): Delete method.
6946         (Icf::addend_reloc_list): Delete method.
6947         (Icf::section_reloc_list): Delete method.
6948         (Icf::reloc_info_list): New method.
6949         (Icf::reloc_info_list_): New member.
6950
6951 2010-02-19  Doug Kwan  <dougkwan@google.com>
6952
6953         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6954         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6955         * arm.cc (Arm_relocation_functions): New forward declaration.
6956         (Target_arm::Target_arm): Initialize new data members
6957         got_mod_index_offset_ and tls_base_symbol_defined_.
6958         (Target_arm::Relocate::relocate_tls): New method.
6959         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6960          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6961         New methods.
6962         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6963         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6964         (Target_arm::got_mod_index_offset_,
6965         Target_arm::tls_base_symbol_defined_): New data members.
6966         (Target_arm::Scan::local, Target::Scan::global,
6967         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6968         relocations.
6969
6970 2010-02-18  Doug Kwan  <dougkwan@google.com>
6971
6972         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6973         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6974         text section as a parameter becuase some broken tools may not set
6975         the link in section header.
6976         (Target_arm::has_got_section): New method.
6977         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6978         without any mapping symbol as data only.  Remove warning.
6979         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6980         link in its section header, try to discover the link by inspecting the
6981         REL31 relocation at the beginning of the section.
6982         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6983         in error message.
6984         (Target_arm::Scan::global): Treat any reference to the symbol
6985         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6986
6987 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6988
6989         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6990         (Scan::global_reloc_may_be_function_pointer): New function.
6991         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6992         (Scan::global_reloc_may_be_function_pointer): New function.
6993         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6994         (Scan::global_reloc_may_be_function_pointer): New function.
6995         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6996         (Scan::global_reloc_may_be_function_pointer): New function.
6997         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6998         (Scan::global_reloc_may_be_function_pointer): New function.
6999         (Scan::possible_function_pointer_reloc): New function.
7000         (Target_x86_64::can_check_for_function_pointers): New function.
7001         * gc.h (gc_process_relocs): Scan relocation types to determine if
7002         function pointers were taken for targets that support it.
7003         * icf.cc (Icf::find_identical_sections): Include functions for
7004         folding in safe ICF whose pointer is not taken.
7005         * icf.h (Secn_fptr_taken_set): New typedef.
7006         (fptr_section_id_): New member.
7007         (section_has_function_pointers): New function.
7008         (set_section_has_function_pointers): New function.
7009         (check_section_for_function_pointers): New function.
7010         * options.h: Fix comment for safe ICF option.
7011         * target.h (can_check_for_function_pointers): New function.
7012         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7013         Modify icf_safe_test for X86-64.
7014         * testsuite/Makefile.in: Regenerate.
7015         * testsuite/icf_safe_so_test.cc: New file.
7016         * testsuite/icf_safe_so_test.sh: New file.
7017         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7018         (main): Change to take pointer to function kept_func_3.
7019         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7020         folding is done correctly for X86-64.
7021
7022 2010-02-12  David S. Miller  <davem@davemloft.net>
7023
7024         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7025         is_symbolless parameter.
7026         (Output_reloc<SHT_REL>::is_symbolless): New.
7027         (Output_reloc<SHT_REL>::is_symbolless_): New.
7028         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7029         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7030         (Output_reloc<SHT_RELA>::is_symbolless): New.
7031         (Output_data_reloc::add_global): Handle is_symbolless.
7032         (Output_data_reloc::add_global_relative): Likewise.
7033         (Output_data_reloc::add_local): Likewise.
7034         (Output_data_reloc::add_local_relative): Likewise.
7035         (Output_data_reloc::add_symbolless_global_addend): New.
7036         (Output_data_reloc::add_symbolless_local_addend): New.
7037         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7038         is_symbolless.
7039         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7040         instead of ->is_relative_
7041         (Output_reloc::write): Likewise.
7042         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7043         (Output_reloc::write_rel): Simplify.
7044
7045         * sparc.cc (Target_sparc::Scan::local): Use
7046         ->add_symbolless_local_addend as needed.
7047         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7048         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7049         based upon relocation offset.
7050
7051 2010-02-11  Doug Kwan  <dougkwan@google.com>
7052
7053         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7054         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7055         beginning of function.
7056         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7057         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7058         parameter is_32bit in calls to should_apply_static_reloc.
7059         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7060         (check_DATA): Add arm_abs_global.stdout.
7061         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7062         arm_abs_global.stdout): New rules.
7063         (MOSTLLYCLEANFILES): Add arm_abs_global
7064         * Makefile.in: Regenerate.
7065         * testsuite/arm_abs_global.s: New file.
7066         * testsuite/arm_abs_global.sh: Ditto.
7067         * testsuite/arm_abs_lib.s: Ditto.
7068
7069 2010-02-11  Ian Lance Taylor  <iant@google.com>
7070
7071         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7072         Read_relocs task.
7073         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7074         Allocate_commons_task first.
7075         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7076         task, rather than symtab_lock_.
7077         (Gc_process_relocs::~Gc_process_relocs): New function.
7078         (Gc_process_relocs::is_runnable): Check this_blocker_.
7079         (Gc_process_relocs::locks): Use next_blocker_ rather than
7080         blocker_.
7081         (Scan_relocs::~Scan_relocs): New function.
7082         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7083         symtab_lock_.
7084         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7085         next_blocker_.
7086         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7087         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7088         constructor accordingly.
7089         (class Gc_process_relocs): Likewise.
7090         (class Scan_relocs): Likewise.
7091         * common.h (class Allocate_commons_task): Remove symtab_lock_
7092         field, and corresponding constructor parameter.
7093         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7094         symtab_lock_.
7095         (Allocate_commons_task::locks): Likewise.
7096
7097 2010-02-11  Ian Lance Taylor  <iant@google.com>
7098
7099         * gold-threads.h (class Once): Define.
7100         (class Initialize_lock): Rewrite as child of Once.
7101         * gold-threads.cc (class Once_initialize): Define.
7102         (once_pointer_control): New static variable.
7103         (once_pointer, once_arg): New static variables.
7104         (c_run_once): New static function.
7105         (Once::Once, Once::run_once, Once::internal_run): New functions.
7106         (class Initialize_lock_once): Remove.
7107         (initialize_lock_control): Remove.
7108         (initialize_lock_pointer): Remove.
7109         (initialize_lock_once): Remove.
7110         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7111         (Initialize_lock::initialize): Rewrite.
7112         (Initialize_lock::do_run_once): New function.
7113         * archive.cc (Archive::interpret_header): Only clear name if it is
7114         not already empty.
7115         * fileread.cc: Include "gold-threads.h"
7116         (file_counts_lock): New static variable.
7117         (file_counts_initialize_lock): Likewise.
7118         (File_read::release): Only increment counts when using --stats.
7119         Use a lock around the increment.
7120         * parameters.cc (class Set_parameters_target_once): Define.
7121         (set_parameters_target_once): New static variable.
7122         (Parameters::Parameters): Move here from parameters.h.
7123         (Parameters::set_target): Rewrite.
7124         (Parameters::set_target_once): New function.
7125         (Parameters::clear_target): Move here and rewrite.
7126         * parameters.h (class Parameters): Update declarations.  Add
7127         set_parameters_target_once_ field.
7128         (Parameters::Parameters): Move to parameters.cc.
7129         (Parameters::clear_target): Likewise.
7130         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7131         task.
7132         (Start_group::~Start_group): New function.
7133         (Start_group::is_runnable): New function.
7134         (Start_group::locks, Start_group::run): New functions.
7135         (Finish_group::run): Change saw_undefined to size_t.
7136         * readsyms.h (class Start_group): Define.
7137         (class Finish_group): Change saw_undefined_ field to size_t.
7138         (Finish_group::Finish_group): Remove saw_undefined and
7139         this_blocker parameters.  Change all callers.
7140         (Finish_group::set_saw_undefined): New function.
7141         (Finish_group::set_blocker): New function.
7142         * symtab.h (class Symbol_table): Change saw_undefined to return
7143         size_t.  Change saw_undefined_ field to size_t.
7144         * target-select.cc (Set_target_once::do_run_once): New function.
7145         (Target_selector::Target_selector): Initialize set_target_once_
7146         field.  Don't initialize lock_ and initialize_lock_ fields.
7147         (Target_selector::instantiate_target): Rewrite.
7148         (Target_selector::set_target): New function.
7149         * target-select.h (class Set_target_once): Define.
7150         (class Target_selector): Update declarations.  Make
7151         Set_target_once a friend.  Remove lock_ and initialize_lock_
7152         fields.  Add set_target_once_ field.
7153
7154 2010-02-10  Ian Lance Taylor  <iant@google.com>
7155
7156         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7157         queueing any tasks.
7158         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7159         (queue_middle_tasks): Add all blockers before queueing any tasks.
7160         (queue_final_tasks): Likewise.
7161         * token.h (Task_token::add_blockers): New function.
7162         * object.h (Input_objects::number_of_relobjs): New function.
7163
7164 2010-02-10  Ian Lance Taylor  <iant@google.com>
7165
7166         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7167         shared, not if not position independent.
7168         * x86_64.cc (Relocate::relocate_tls): Likewise.
7169         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7170         (tls_pie_pic_test): New target.
7171         * testsuite/Makefile.in: Rebuild.
7172
7173         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7174         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7175         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7176         * testsuite/Makefile.in: Rebuild.
7177
7178 2010-02-09  David S. Miller  <davem@davemloft.net>
7179
7180         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7181         R_SPARC_RELATIVE using ->add_local_relative().
7182         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7183
7184         * output.h (Output_data_dynamic::add_section_size): New method
7185         that takes two Output_data objects.
7186         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7187         entry param.  Handle it in initializers.
7188         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7189         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7190         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7191         arg.
7192         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7193         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7194         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7195         for dynrel_includes_plt.
7196         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7197         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7198         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7199         before .rela.plt
7200         (Target_sparc::do_finalize_sections): Update to pass true for
7201         dynrel_includes_plt.
7202         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7203         output before .rela.plt
7204         (Target_powerpc::do_finalize_sections): Update to pass true for
7205         dynrel_includes_plt when 32-bit.
7206
7207 2010-02-08  Doug Kwan  <dougkwan@google.com>
7208
7209         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7210         method.
7211         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7212         Arm_relobj::scan_section_for_cortex_a8_stubs,
7213         Arm_relobj::do_relocation_section): Instead of calling
7214         Output_section::output_address, use faster
7215         Arm_relobj::simple_input_section_output_address.
7216
7217 2010-02-08  David S. Miller  <davem@davemloft.net>
7218
7219         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7220         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7221         relocation helper function.
7222
7223         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7224         just like R_SPARC_GOT{10,13,22}.
7225         (Target_sparc::Scan::local): Likewise.
7226         (Target_sparc::Relocate:relocate): Likewise.
7227
7228 2010-02-06  Ian Lance Taylor  <iant@google.com>
7229
7230         * configure.ac: Rewrite targetobjs duplicate removal code to use
7231         only shell constructs.
7232         * configure: Rebuild.
7233
7234 2010-02-05  Doug Kwan  <dougkwan@google.com>
7235
7236         PR 11247
7237         * arm.cc (Arm_relobj::section_is_scannable): New method.
7238         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7239         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7240
7241 2010-02-04  Doug Kwan  <dougkwan@google.com>
7242
7243         PR 11247
7244         * arm-reloc-property.cc (cstdio): Include.
7245         * configure.ac (targetobjs): Remove duplicates.
7246         * configure: Regenerate.
7247         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7248         big and little endian version for a given address size.
7249
7250 2010-02-03  Doug Kwan  <dougkwan@google.com>
7251
7252         * arm-reloc-property.cc
7253         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7254         definition.
7255         * arm-reloc-property.h
7256         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7257         New method definition.
7258         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7259         declaration.
7260         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7261         overflow to N.
7262         (GOT_PREL): Change implemented to Y.
7263         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7264         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7265         (Arm_relocate_functions::movw_abs_nc): Remove method.
7266         (Arm_relocate_functions::movt_abs): Ditto.
7267         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7268         (Arm_relocate_functions::thm_movt_abs): Ditto.
7269         (Arm_relocate_functions::movw_rel_nc): Ditto.
7270         (Arm_relocate_functions::movw_rel): Ditto.
7271         (Arm_relocate_functions::movt_rel): Ditto.
7272         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7273         (Arm_relocate_functions:thm_movw_rel): Ditto.
7274         (Arm_relocate_functions:thm_movt_rel): Ditto.
7275         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7276         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7277         New method definitions.
7278         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7279         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7280         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7281         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7282         (Target_arm::Relocate::relocate): Check for non-static or
7283         unimplemented relocation code and exit early.  Change calls to
7284         Target_arm::reloc_uses_thumb_bit and
7285         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7286         instead.  Refactor code to handle similar relocations to increase
7287         code sharing.  Remove check for unsupported relocation code in switch
7288         statement.
7289         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7290         relocation property table to find out size.  Change error message to
7291         print out the name of a relocation code instead of the numeric value.
7292         (Target_arm::scan_reloc_for_stub): Use relocation property table
7293         instead of calling Target_arm::reloc_uses_thumb_bit().
7294
7295 2010-02-02  Doug Kwan  <dougkwan@google.com>
7296
7297         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7298         types of relaxed input section.
7299
7300 2010-02-02  Doug Kwan  <dougkwan@google.com>
7301
7302         * Makefile.am (HFILES): Add arm-reloc-property.h.
7303         (DEFFILES): New.
7304         (TARGETSOURCES): Add arm-reloc-property.cc
7305         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7306         (libgold_a_SOURCES): $(DEFFILES)
7307         * Makefile.in: Regenerate.
7308         * arm-reloc-property.cc: New file.
7309         * arm-reloc-property.h: New file.
7310         * arm-reloc.def: New file.
7311         * arm.cc: Update comments.
7312         (arm-reloc-property.h): New included header.
7313         (arm_reloc_property_table): New global variable.
7314         (Target_arm::do_select_as_default_target): New method definition.
7315         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7316         arm-reloc-property to targ_extra_obj.
7317         * parameters.cc (set_parameters_target): Call
7318         Target::select_as_default_target().
7319         * target.h (Target::select_as_default_target): New method definition.
7320         (Target::do_select_as_default_target): Same.
7321
7322 2010-02-01  Doug Kwan  <dougkwan@google.com>
7323
7324         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7325         first_output_text_section_.
7326         (Arm_exidx_fixup::first_output_text_section): New method definition.
7327         (Arm_exidx_fixup::first_output_text_section_): New data member.
7328         (Arm_exidx_fixup::process_exidx_section): Record the first text
7329         output section seen.
7330         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7331         and entsize in output section header.
7332
7333 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7334
7335         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7336         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7337         (Arm_relocate_functions::thm_alu11): New Method.
7338         (Arm_relocate_functions::thm_pc8): New Method.
7339         (Arm_relocate_functions::thm_pc12): New Method.
7340         (Target_arm::Scan::local): Handle the relocations.
7341         (Target_arm::Scan::global): Likewise.
7342         (Target_arm::Relocate::relocate): Likewise.
7343         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7344
7345 2010-01-29  Doug Kwan  <dougkwan@google.com>
7346
7347         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7348         of relocation types as ld.
7349
7350 2010-01-29  Doug Kwan  <dougkwan@google.com>
7351
7352         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7353         to public.
7354         (Arm_relocate_functions::thumb_branch_common): Ditto.
7355         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7356         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7357         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7358         Arm_relocate_functions::jump24): Remove.
7359         (Target_arm::Relocate::relocate): Adjust code to call
7360         Arm_relocation_functions::arm_branch_common and
7361         Arm_relocation_functions::thumb_branch_common instead of their removed
7362         wrappers.  Merge switch-cases together to reduce source code size.
7363
7364 2010-01-29  Doug Kwan  <dougkwan@google.com>
7365
7366         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7367         output_local_symbol_count_needs_update_.
7368         (Arm_relobj::output_local_symbol_count_needs_update,
7369          Arm_relobj::set_output_local_symbol_count_needs_update,
7370          Arm_relobj::update_output_local_symbol_count): New methods.
7371         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7372         member.
7373         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7374         of pointed function as in a R_ARM_PREL31 relocation.
7375         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7376         for output local symbol count updating.
7377         (Target_arm::do_relax): Update output local symbol counts in objects
7378         if necessary.
7379         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7380
7381 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7382
7383         * arm.cc: Added support for the ARM relocations:
7384         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7385         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7386         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7387         movw_prel_nc).
7388         (Arm_relocate_functions::movw_rel): New method.
7389         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7390         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7391         thm_movw_prel_nc).
7392         (Arm_relocate_functions::thm_movw_rel): New method.
7393         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7394         thm_movt_prel).
7395         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7396         relocations.
7397         (Target_arm::Scan::global): Likewise.
7398         (Target_arm::Relocate::relocate): Likewise.
7399         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7400         Likewise.
7401
7402 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7403
7404         * arm.cc: Added support for ARM group relocations.
7405         (Target_arm::reloc_needs_sym_origin): New method.
7406         (Arm_relocate_functions::calc_grp_kn): New method.
7407         (Arm_relocate_functions::calc_grp_residual): New method.
7408         (Arm_relocate_functions::calc_grp_gn): New method.
7409         (Arm_relocate_functions::arm_grp_alu): New Method.
7410         (Arm_relocate_functions::arm_grp_ldr): New Method.
7411         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7412         (Arm_relocate_functions::arm_grp_ldc): New Method.
7413         (Target_arm::Scan::local): Handle the ARM group relocations.
7414         (Target_arm::Scan::global): Likewise.
7415         (Target_arm::Relocate::relocate): Likewise.
7416         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7417         Likewise.
7418
7419 2010-01-26  Doug Kwan  <dougkwan@google.com>
7420
7421         * arm.cc (set): Include.
7422         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7423         pointer type.
7424         (Arm_output_section::Text_section_list): New type.
7425         (Arm_output_section::append_text_sections_to_list): New method.
7426         (Arm_output_section::fix_exidx_coverage): Ditto.
7427         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7428         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7429         Relobj::set_section_offset() instead of
7430         Sized_relobj::invalidate_section_offset().
7431         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7432         parameter for section headers. Ignore relocation sections for
7433         unallocated sections and EXIDX sections.
7434         (Target_arm::fix_exidx_coverage): New method.
7435         (Target_arm::output_section_address_less_than): New type.
7436         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7437         linked text section instead of the EXIDX section.
7438         (Arm_output_section::create_stub_group): Add an assertion to check
7439         that this is not an EXIDX output section.
7440         (Arm_output_section::append_text_sections_to_list): New method.
7441         (Arm_output_section::fix_exidx_coverage): Ditto.
7442         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7443         Arm_relobj::section_needs_reloc_stub_scanning.
7444         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7445         first pass.
7446         (Target_arm::fix_exidx_coverage): New method.
7447         * object.h (Relobj::set_output_section): New method.
7448         (Sized_relobj::invalidate_section_offset): Remove method.
7449         (Sized_relobj::do_invalidate_section_offset): Remove method.
7450         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7451
7452 2010-01-25  Doug Kwan  <dougkwan@google.com>
7453
7454         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7455         Fix warning due to signed and unsigned comparison on a 32-bit host.
7456
7457 2010-01-22  Doug Kwan  <dougkwan@google.com>
7458
7459         * arm.cc (Target_arm::do_relax): Record an output section for section
7460         offset adjustment it contains any stub table that has changed.
7461         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7462         offsets in an output section if necessary.
7463         * output.cc (Output_section::Output_section): Initialize
7464         section_offsets_need_adjustments_.
7465         (Output_section::add_input_section_for_script): Renamed to
7466         Output_section::add_simple_input_section.
7467         (Output_section::save_states): Add a comment.
7468         (Output_section::discard_states): New method defintion.
7469         (Output_section::adjust_section_offsets): Same.
7470         * output.h (Output_section::add_input_section_for_script): Renamed to
7471         Output_section::add_simple_input_section.
7472         (Output_section::discard_states): New method declaration.
7473         (Output_section::adjust_section_offsets): Same.
7474         (Output_section::section_offsets_need_adjustment,
7475         Output_section::set_section_offsets_need_adjustment): New method
7476         definitions.
7477         (Output_section::section_offsets_need_adjustment_): New data member.
7478         * script-sections.cc
7479         (Output_section_element_input::set_section_address): Adjust code for
7480         renaming of Output_section::add_input_section_for_script.
7481         (Orphan_output_section::set_section_address): Same.
7482
7483 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7484
7485         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7486         Fix_v4bx enum values .
7487         * gold/options.h (General_options): New option definitions.
7488         (General_options::fix_v4bx): New method.
7489         (General_options::Fix_v4bx): New enum.
7490         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7491         (General_options::parse_fix_v4bx_interworking): New method.
7492
7493 2010-01-22  Doug Kwan  <dougkwan@google.com>
7494
7495         * arm.cc (Arm_exidx_fixup): New class.
7496
7497 2010-01-21  Doug Kwan  <dougkwan@google.com>
7498
7499         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7500         classes.
7501         (Arm_exidx_section_offset_map): New type.
7502
7503 2010-01-21  Doug Kwan  <dougkwan@google.com>
7504
7505         * arm.cc (Arm_exidx_input_section): New class.
7506         (Arm_relobj::exidx_input_section_by_link,
7507         Arm_relobj::exidx_input_section_by_shndx,
7508         Arm_relobj::make_exidx_input_section): New methods.
7509         (read_arm_attributes_section): Remove.
7510         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7511         information about them.
7512         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7513         to here.
7514
7515 2010-01-20  Doug Kwan  <dougkwan@google.com>
7516
7517         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7518         Input_section_specifier to Section_id.
7519         (Target_arm::new_arm_input_section: Adjust code for change of key
7520         type.
7521         (Target_arm::find_arm_input_section): Ditto.
7522         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7523         (Section_id): Remove.
7524         (Garbage_collection::Section_id_hash): Remove.
7525         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7526         (Section_id): Remove.
7527         (Icf::Section_id_hash): Remove.
7528         * object.h (Section_id, Const_section_id, Section_id_hash,
7529         Const_section_id_hash): New type definitions.
7530         * output.cc (Output_section::add_relaxed_input_section): Change to
7531         use Const_section_id instead of Input_section_specifier as key type.
7532         (Output_section::add_merge_input_section): Ditto.
7533         (Output_section::build_relaxation_map): Change to use Section_id
7534         instead of Input_section_specifier as key type.
7535         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7536         Ditto.
7537         (Output_section::convert_input_sections_to_relaxed_sections): Change
7538         to use Const_section_id instead of Input_section_specifier as key type.
7539         (Output_section::find_merge_section): Ditto.
7540         (Output_section::find_relaxed_input_section): Ditto.
7541         * output.h (Input_section_specifier): Remove class.
7542         (Output_section::Output_section_data_by_input_section_map): Change
7543         key type to Const_section_id.
7544         (Output_section::Output_relaxed_input_section_by_input_section_map):
7545         Ditto.
7546         (Output_section::Relaxation_map): Change key type to Section_id.
7547
7548 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7549
7550         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7551         (class Arm_v4bx_stub): New class.
7552         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7553         (Stub_factory::make_arm_v4bx_stub): New method.
7554         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7555         (Stub_table::empty): Handle v4bx stubs.
7556         (Stub_table::add_arm_v4bx_stub): New method.
7557         (Stub_table::find_arm_v4bx_stub): New method.
7558         (Arm_relocate_functions::v4bx): New method.
7559         (Target_arm::fix_v4bx): New method.
7560         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7561         (Stub_table::relocate_stubs): Likewise.
7562         (Stub_table::do_write): Likewise.
7563         (Stub_table::update_data_size_and_addralign): Likewise.
7564         (Stub_table::finalize_stubs):  Likewise.
7565         (Target_arm::Scan::local): Likewise.
7566         (Target_arm::Scan::global): Likewise.
7567         (Target_arm::do_finalize_sections): Likewise.
7568         (Target_arm::Relocate::relocate): Likewise.
7569         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7570         Likewise.
7571         (Target_arm::scan_reloc_for_stub): Likewise.
7572         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7573
7574 2010-01-19  Ian Lance Taylor  <iant@google.com>
7575
7576         * output.cc (Output_section_headers::do_sized_write): Write large
7577         segment count to sh_info field.
7578         (Output_file_header::do_sized_write): For large segment count,
7579         write PN_XNUM to e_phnum field.
7580
7581 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7582
7583         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7584         (Arm_relocate_functions::thm_jump8): New function.
7585         (Arm_relocate_functions::thm_jump11): New function.
7586         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7587         R_ARM_THM_JUMP11.
7588         (Target_arm::Scan::global): Likewise.
7589         (Target_arm::Relocate::relocate): Likewise.
7590         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7591         Likewise.
7592
7593 2010-01-14  Doug Kwan  <dougkwan@google.com>
7594
7595         * arm.cc (map, utility): Include headers.
7596         (Target_arm::apply_cortex_a8_workaround): New method.
7597         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7598         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7599         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7600         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7601         the --[no-]fix-cortex-a8 command line options.
7602         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7603         (Target_arm::relocate_stub): Use addend in instruction template.
7604         * options.h (DEFINE_bool): Set the user-set flag.
7605         (General_options): Add --[no-]-fix-cortex options.
7606         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7607         : Update fast look-up map after conversion.
7608
7609 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7610
7611         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7612         in the first pass of do_layout.
7613
7614 2010-01-13  Doug Kwan  <dougkwan@google.com>
7615
7616         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7617         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7618         apparent compiler problem of not folding static constant integral
7619         data members of elfcpp::Elf_sizes<32>.
7620
7621 2010-01-13  Doug Kwan  <dougkwan@google.com>
7622
7623         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7624         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7625         Arm_relobj::scan_section_for_cortex_a8_erratum,
7626         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7627         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7628         sections to scan for relocation stubs into a new method
7629         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7630         relocation and Cortex-A8 stub scanning.
7631         (Target_arm::do_relax): Force stubs to be after stubbed sections
7632         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7633         the beginning of a new relaxation pass.  Update a comment.
7634         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7635
7636 2010-01-12  Ian Lance Taylor  <iant@google.com>
7637
7638         * target-reloc.h (visibility_error): New inline function.
7639         (relocate_section): Call visibility_error.
7640         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7641         (MOSTLYCLEANFILES): Likewise.
7642         (protected_4_pic.o, protected_3.err): New targets.
7643         * testsuite/protected_4.cc: New file.
7644
7645 2010-01-12  Doug Kwan  <dougkwan@google.com>
7646
7647         * arm.cc (Cortex_a8_reloc): New class.
7648         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7649         and cortex_a8_relocs_info_.
7650         (Target_arm::fix_cortex_a8): New method definition.
7651         (Target_arm::Cortex_a8_relocs_info): New type.
7652         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7653         New data member declarations.
7654         (Target_arm::scan_reloc_for_stub): Record information about
7655         relocations for THUMB branches that might be exempted from the
7656         Cortex-A8 workaround.
7657         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7658         at the beginning of a relaxation pass.
7659
7660 2010-01-12  Doug Kwan  <dougkwan@google.com>
7661
7662         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7663         (Arm_relobj::Mapping_symbol_position,
7664          Arm_reloj::Mapping_symbol_position_less,
7665          Arm_relobj::Mapping_symbols_info): New types.
7666         (Target_arm::is_mapping_symbol_name): New method definition.
7667         (Arm_relobj::do_count_local_symbols): Save information about mapping
7668         symbols.
7669
7670 2010-01-11  Doug Kwan  <dougkwan@google.com>
7671
7672         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7673         Arm_relocate_functions::thumb32_branch_upper,
7674         Arm_relocate_functions::thumb32_branch_lower,
7675         Arm_relocate_functions::thumb32_cond_branch_offset,
7676         Arm_relocate_functions::thumb32_cond_branch_upper,
7677         Arm_relocate_functions::thumb32_cond_branch_lower,
7678         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7679         branch offset encoding.
7680         (Arm_relocate_functions::thumb_branch_common): Use new branch
7681         offset encoding methods to avoid code duplication.
7682         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7683         (Stub_addend_reader::operator()): Use new branch encoding method
7684         to avoid code duplication.
7685
7686 2010-01-11  Doug Kwan  <dougkwan@google.com>
7687
7688         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7689         (Target_arm::do_finalize_sections): Define special EXIDX section
7690         symbols only if referenced.
7691         * gc.h (Garbage_collection::add_reference): New method.
7692         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7693         code duplication.
7694
7695 2010-01-11  Ian Lance Taylor  <iant@google.com>
7696
7697         * script.cc (Version_script_info::build_expression_list_lookup):
7698         Change complaing about duplicate wildcard match from error to
7699         warning.
7700
7701         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7702         of 2009-12-30.
7703         (Version_script_info::Version_script_info): Initialize globs_,
7704         default_version_, default_is_global_, and exact_.  Don't
7705         initialize globals_ or locals_.
7706         (Version_script_info::build_lookup_tables): Build local symbols
7707         first.
7708         (Version_script_info::unquote): New function.
7709         (Version_script_info::add_exact_match): New function.
7710         (Version_script_info::build_expression_list_lookup): Remove lookup
7711         parameter.  Add is_global parameter.  Change all callers.  Handle
7712         wildcard pattern specially.  Unquote pattern.  Call
7713         add_exact_match.
7714         (Version_script_info::get_name_to_match): New function.
7715         (Version_script_info::get_symbol_version): New function.
7716         (Version_script_info::get_symbol_version_helper): Remove.
7717         (Version_script_info::check_unmatched_names): Call unquote.
7718         * script.h (class Version_script_info): Change get_symbol_version
7719         to be non-inline and add is_global parameter; change all callers.
7720         Rewrite symbol_is_local.  Update declarations.  Define struct
7721         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7722         Remove globals_ and locals_ members.  Add exact_, globs_,
7723         default_version_, is_global_.
7724         (Version_script_info::Glob): Remove pattern, add expression and
7725         is_global.  Update constructor.  Change all callers.
7726         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7727         default version.
7728         (Versions::symbol_section_contents): If a symbol is undefined, or
7729         defined in a dynamic object, set the version index to
7730         VER_NDX_LOCAL.
7731         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7732         symbol_is_local.
7733         (Symbol_table::add_from_pluginobj): Likewise.
7734         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7735
7736 2010-01-11  Doug Kwan  <dougkwan@google.com>
7737
7738         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7739         (incremental_dump_LDADD): Add linking option for libintl.
7740         * Makefile.in: Regenerate.
7741
7742 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7743
7744         PR gold/11144
7745         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7746         instead of -Ds.
7747         * testsuite/Makefile.in: Regenerated.
7748
7749 2010-01-10  Doug Kwan  <dougkwan@google.com>
7750
7751         * options.h (DEFINE_var): Use parentheses around argument varname__
7752         in macro body to avoid any unintended subsequent substitutions.
7753
7754 2010-01-10  Ian Lance Taylor  <iant@google.com>
7755
7756         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7757         candidates before doing symbol resolution.
7758
7759         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7760         ODR candidates if only one is weak.
7761
7762 2010-01-08  Ian Lance Taylor  <iant@google.com>
7763
7764         * script.cc (Version_script_info::build_expression_list_lookup):
7765         Don't warn about ambiguous version, just record the ambiguity.
7766         (Version_script_info::get_symbol_version_helper): Give error if
7767         version is ambiguous.
7768
7769 2010-01-08  Doug Kwan  <dougkwan@google.com>
7770
7771         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7772         prev_data_size_ and prev_addralign_.  Remove initializer for
7773         deleted data member has_been_changed_.
7774         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7775         to determine if the table is empty.
7776         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7777         Remove.
7778         (Stub_table::add_reloc_stub): Define method in class definition
7779         instead of just declaring it there.
7780         (Stub_table::add_cortex_a8_stub): New method definition.
7781         (Stub_table::update_data_size_and_addralign): Ditto.
7782         (Stub_table::finalize_stubs): Ditto.
7783         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7784         (Stub_table::do_addralign_): Return address alignment in the
7785         (Stub_table::do_reset_address_and_file_offset): Define method in
7786         class definition instead of declaring it there.  Set current data
7787         size to be the data size of the previous pass.
7788         (Stub_table::set_final_data_size): Use current data size as the
7789         final data size.
7790         (Stub_table::relocate_stub): Change parameter type of stub from
7791         Reloc_stub pointer to Stub pointer.
7792         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7793         (Stub_table::Cortex_a8_stub_list): New typedef.
7794         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7795          Stub_table::prev_addralign_): New data member.
7796         (Arm_relobj::Arm_relobj): Initialize data member
7797         section_has_cortex_a8_workaround_.
7798         (Arm_relobj::section_has_cortex_a8_workaround,
7799          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7800          definitions.
7801         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7802         declarations.
7803         (Target_arm::relocate_stub): Change parameter type of stub from
7804         Reloc_stub pointer to Stub pointer.
7805         (Insn_template::size, Insn_template::alignment): Handle
7806         THUMB16_SPECIAL_TYPE.
7807         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7808          Stub_table::update_data_size_and_addralign,
7809          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7810         definitions.
7811         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7812         (Stub_table::do_write): Ditto.
7813         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7814
7815 2010-01-08  Ian Lance Taylor  <iant@google.com>
7816
7817         PR 11108
7818         * symtab.h (class Symbol): Remove fields is_target_special_ and
7819         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7820         (Symbol::is_defined_in_discarded_section): New function.
7821         (Symbol::set_is_defined_in_discarded_section): New function.
7822         (Symbol::has_plt_offset): Rewrite.
7823         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7824         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7825         Don't initialize is_target_special_ or has_plt_offset_.
7826         Initialize is_defined_in_discarded_section_.
7827         (Symbol_table::add_from_relobj): If appropriate, set
7828         is_defined_in_discarded_section.
7829         * resolve.cc (Symbol::override_base_with_special): Don't test
7830         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7831         * target-reloc.h (relocate_section): Do special handling for
7832         symbols defined in discarded sections for global symbols as well
7833         as local symbols.
7834
7835 2010-01-08  Ian Lance Taylor  <iant@google.com>
7836
7837         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7838         the SHT_SYMTAB case.
7839
7840 2010-01-08  Ian Lance Taylor  <iant@google.com>
7841
7842         * object.cc (Sized_relobj::do_layout): Don't get confused if
7843         layout_eh_frame returns NULL.
7844
7845 2010-01-08  Ian Lance Taylor  <iant@google.com>
7846
7847         PR 11084
7848         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7849         dynamic symbol table, use the normal symbol table.
7850         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7851         symbol table.
7852
7853 2010-01-08  Ian Lance Taylor  <iant@google.com>
7854
7855         PR 11072
7856         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7857         sections.
7858
7859 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7860
7861         * version.cc (print_version): Change to "Copyright 2010".
7862
7863 2010-01-08  Ian Lance Taylor  <iant@google.com>
7864
7865         PR 10287
7866         PR 11063
7867         * i386.cc (class Target_i386): Change return type of plt_section
7868         to be non-const.
7869         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7870         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7871         tls_desc_rel_ field.
7872         (Output_data_plt_i386::rel_tls_desc): New function.
7873         (Target_i386::rel_tls_desc_section): New function.
7874         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7875         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7876         R_386_TLS_DESC reloc in rel_tls_desc_section.
7877         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7878         Define struct Tlsdesc_info.
7879         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7880         (Target_x86_64::do_reloc_symbol_index): New function.
7881         (Target_x86_64::add_tlsdesc_info): New function.
7882         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7883         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7884         tlsdesc_rel_ field.
7885         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7886         all callers.
7887         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7888         (Target_x86_64::rela_tlsdesc_section): New function.
7889         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7890         handling.
7891         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7892         (Target_x86_64::do_reloc_addend): New function.
7893         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7894         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7895         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7896         (Output_reloc::type): New function.
7897         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7898         (Output_reloc::is_target_specific): New function.
7899         (Output_reloc::target_arg): New function.
7900         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7901         absolute relocs and target specific relocs.
7902         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7903         add_target_specific.
7904         (class Output_data_reloc) [SHT_RELA]: Likewise.
7905         * output.cc (Output_reloc::Output_reloc): Add four new versions
7906         for absolute relocs and target specific relocs.
7907         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7908         (Output_reloc::get_symbol_index): Likewise.
7909         (Output_reloc::local_section_offset): Check that local_sym_index_
7910         is not TARGET_CODE or 0.
7911         (Output_reloc::symbol_value): Likewise.
7912         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7913         reloc.
7914         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7915         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7916         functions.
7917         * layout.cc (add_target_dynamic_tags): Use output section for
7918         DT_PLTRELSZ and DT_JMPREL.
7919
7920 2010-01-07  Ian Lance Taylor  <iant@google.com>
7921
7922         PR 11061
7923         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7924         function.
7925         (class Output_data_reloc_generic): Define.
7926         (class Output_data_reloc_base): Change base class to
7927         Output_data_reloc_generic.  Change add() method to call
7928         bump_relative_reloc_count for a relative reloc.  Remove
7929         sort_relocs_ field.
7930         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7931         to sort_relocs().
7932         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7933         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7934         appropriate.
7935         * layout.h (class Layout): Update declaration.
7936
7937 2010-01-07  Ian Lance Taylor  <iant@google.com>
7938
7939         * output.h (class Output_data): Add const version of
7940         output_section and do_output_section.
7941         (class Output_section_data): Add const version of
7942         do_output_section.
7943         (class Output_section): Likewise.
7944         * layout.cc (Layout::add_target_dynamic_tags): New function.
7945         * layout.h (class Layout): Update declarations.
7946         * arm.cc (Target_arm::do_finalize_sections): Use
7947         add_target_dynamic_tags.
7948         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7949         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7950         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7951         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7952
7953 2010-01-07  Ian Lance Taylor  <iant@google.com>
7954
7955         PR 11042
7956         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7957         object as needed.
7958
7959 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7960             Ian Lance Taylor  <iant@google.com>
7961
7962         PR 11019
7963         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7964         Xindex::read_symtab_xindex.
7965
7966 2010-01-07  Doug Kwan  <dougkwan@google.com>
7967
7968         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7969         (Insn_template::thumb16_bcond_insn): New method declaration.
7970         (Insn_template): Fix spelling.
7971         (Stub::thumb16_special): New method declaration.
7972         (Stub::do_write): Define virtual method which was previously pure
7973         virtual.
7974         (Stub::do_thumb16_special): New method declaration.
7975         (Stub::do_fixed_endian_write): New template member.
7976         (Reloc_stub::do_write): Remove.
7977         (Reloc_stub::do_fixed_endian_write): Remove.
7978         (Cortex_a8_stub): New class definition.
7979         (Stub_factory::make_cortex_a8_stub): New method definition.
7980         (Stub_factory::Stub_factory): Add missing static storage class
7981         qualifier for elf32_arm_stub_a8_veneer_blx.
7982
7983 2010-01-07  Ian Lance Taylor  <iant@google.com>
7984
7985         PR 10980
7986         * options.h (class General_options): Add --warn-unresolved-symbols
7987         and --error-unresolved-symbols.
7988         * errors.cc (Errors::undefined_symbol): Implement
7989         --warn-unresolved-symbols.
7990
7991         * options.h (class General_options): Add -z text and -z textoff.
7992         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7993
7994 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7995
7996         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7997         (Garbage_collection::cident_sections): New function.
7998         (Garbage_collection::add_cident_section): New function.
7999         (Garbage_collection::cident_sections_): New member.
8000         (gc_process_relocs): Add references to sections whose names are C
8001         identifiers.
8002         * gold.h (cident_section_start_prefix): New constant.
8003         (cident_section_stop_prefix): New constant.
8004         (is_cident): New function.
8005         * layout.cc (Layout::define_section_symbols): Replace string constants
8006         with the newly defined constants.
8007         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8008         C identifiers.
8009         * testsuite/Makefile.am: Add gc_orphan_section_test.
8010         * testsuite/Makefile.in: Regenerate.
8011         * testsuite/gc_orphan_section_test.cc: New file.
8012         * testsuite/gc_orphan_section_test.sh: New file.
8013
8014 2010-01-06  Ian Lance Taylor  <iant@google.com>
8015
8016         PR 10980
8017         * options.h (class General_options): Add --warn-shared-textrel.
8018         * layout.cc (Layout::finish_dynamic_section): Implement
8019         --warn-shared-textrel.
8020
8021         PR 10980
8022         * options.h (class General_options): Add --warn-multiple-gp.
8023
8024 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8025
8026         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8027         $(THREADSLIB) and $(LIBDL).
8028         * Makefile.in: Rebuild.
8029
8030 2010-01-06  Ian Lance Taylor  <iant@google.com>
8031
8032         PR 10980
8033         * options.cc (General_options::parse_section_start): New function.
8034         (General_options::section_start): New function.
8035         (General_options::General_options): Initialize all members.
8036         * options.h: Include <map>
8037         (class General_options): Add --section-start.  Add section_starts_
8038         member.
8039         * layout.cc (Layout::attach_allocated_section_to_segment): If
8040         --section-start was used, set the address of the segment.  Remove
8041         local sort_sections.
8042         (Layout::relaxation_loop_body): If the address of the load segment
8043         has been set by --section-start, don't use it.
8044         * output.h (Output_segment::update_flags_for_output_section): New
8045         function.
8046         * output.cc (Output_segment::add_output_section): Call
8047         update_flags_for_output_section.
8048
8049 2010-01-05  Ian Lance Taylor  <iant@google.com>
8050
8051         PR 10980
8052         * options.h (class General_options): Add --undefined-version.
8053         * script.cc (struct Version_expression): Add was_matched_by_symbol
8054         field.
8055         (Version_script_info::matched_symbol): New function.
8056         (Version_script_info::get_symbol_version_helper): Call
8057         matched_symbol.
8058         (Version_script_info::check_unmatched_names): New function.
8059         * script.h (class Version_script_info): Update declarations.
8060         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8061
8062         * options.h (class General_options): Use DEFINE_bool_alias for
8063         allow_multiple_definition.
8064         * resolve.cc (Symbol_table::should_override): Don't test
8065         allow_multiple_definition.
8066
8067         PR 10980
8068         * options.h (class General_options): Add --cref.
8069         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8070         until after printing cref table.
8071         * cref.cc: Include "symtab.h".
8072         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8073         (Cref_table_compare::operator()): New function.
8074         (Cref_inputs::gather_cref): New function.
8075         (filecol): New static const.
8076         (Cref_inputs::print_cref): New function.
8077         (Cref::print_cref): New function.
8078         * cref.h: Include <cstdio>.
8079         (class Cref): Update declarations.
8080         * mapfile.h (Mapfile::file): New function.
8081         * object.h (class Object): Define Symbols.  Declare virtual
8082         do_get_global_symbols.
8083         (Object::get_global_symbols): New function.
8084         * object.cc (Input_objects::add_object): Pass object to cref_ if
8085         --cref.
8086         (Input_objects::archive_start): Likewise.
8087         (Input_objects::archive_stop): Likewise.
8088         (Input_objects::print_cref): New function.
8089         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8090         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8091         --cref.
8092         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8093         function.
8094         * plugin.h (class Sized_pluginobj): Update declarations.
8095
8096 2010-01-05  Ian Lance Taylor  <iant@google.com>
8097
8098         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8099         to is_default_version.  Rename insdef to insdefault.
8100         (Symbol_table::add_from_relobj): Rename def to is_default_version
8101         and local to is_forced_local.
8102         (Symbol_table::add_from_pluginobj): Likewise.
8103         (Symbol_table::add_from_dynobj): Likewise.
8104         (Symbol_table::define_special_symbol): Rename insdef to
8105         insdefault.
8106
8107 2010-01-04  Ian Lance Taylor  <iant@google.com>
8108
8109         PR 10980
8110         * options.h (class General_options): Add
8111         --allow-multiple-definition and -z muldefs.
8112         * resolve.cc (Symbol_table::should_override): Don't warn about a
8113         multiple symbol definition if --allow-multiple-definition or -z
8114         muldefs.
8115
8116         PR 10980
8117         * options.h (class General_options): Add --add-needed and
8118         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8119         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8120         error if --copy-dt-needed-entries aka --add-needed is used and
8121         would cause a change in behaviour.
8122
8123         PR 10980
8124         * options.h (class General_options): Add -G as a short version of
8125         --shared.  Add no-op options -assert, -g, and -i.
8126
8127 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8128
8129         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8130         check for .text or .gnu.linkonce.t sections.
8131         * icf.cc (Icf::find_identical_sections): Ditto.
8132         Change the detection for mangled function name within the section
8133         name.
8134         * icf.h (is_section_foldable_candidate): New function.
8135
8136 2009-12-30  Ian Lance Taylor  <iant@google.com>
8137
8138         PR 10980
8139         * options.h (class General_options): Permit two dashes with
8140         --retain-symbols-file.
8141
8142 2009-12-30  Ian Lance Taylor  <iant@google.com>
8143
8144         PR 10979
8145         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8146         don't put the file header and segment headers in the text
8147         segment.
8148
8149         PR 10979
8150         * common.cc (Sort_commons::operator()): Stabilize sort when both
8151         entries are NULL.
8152         (Symbol_table::do_allocate_commons_list): When allocating common
8153         symbols, skip a symbol which is no longer common.
8154         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8155         an object before checking its type.
8156         * testsuite/common_test_2.c: New file.
8157         * testsuite/common_test_3.c: New file.
8158         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8159         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8160         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8161         (common_test_2_pic.o, common_test_2.so): New targets.
8162         (common_test_3_pic.o, common_test_3.so): New targets.
8163         * testsuite/Makefile.in: Rebuild.
8164
8165         PR 10979
8166         * script.cc (read_input_script): If we see a new SECTIONS clause,
8167         and we have added an input section, give an error.
8168         * layout.h (class Layout): Add have_added_input_section function.
8169         Add have_added_input_section_ field.
8170         * layout.cc (Layout::Layout): Initialize
8171         have_added_input_section_.
8172         (Layout::layout): Set have_added_input_section_.
8173         (Layout::layout_eh_frame): Likewise.
8174
8175 2009-12-30  Ian Lance Taylor  <iant@google.com>
8176
8177         PR 10931
8178         * options.h (class General_options): Add --sort-common option.
8179         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8180         * common.cc (Sort_common): Add sort_order parameter to
8181         constructor.  Add sort_order_ field.
8182         (Sort_commons::operator): Check sort_order_.
8183         (Symbol_table::allocate_commons): Determine the sort order.
8184         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8185         Change all callers.
8186         (Symbol_table::do_allocate_commons_list): Likewise.
8187
8188 2009-12-30  Ian Lance Taylor  <iant@google.com>
8189
8190         PR 10916
8191         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8192         symbols from this object, don't change the visibility of an
8193         undefined symbol.
8194         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8195
8196 2009-12-30  Ian Lance Taylor  <iant@google.com>
8197
8198         PR 10861
8199         * script.h (class Version_script_info): Define Language enum.
8200         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8201         new fields globals_, locals_, and is_finalized_.
8202         * script.cc: Various formatting fixes.
8203         (class Parser_closure): Change language_stack_ from a vector of
8204         std::string to one of Version_script_info::Language.  Adjust all
8205         uses accordingly.
8206         (class Lazy_demangler): Remove.
8207         (struct Version_expression): Change language from std::string to
8208         Version_script_info::Language.
8209         (Version_script_info::Version_script_info): New function.
8210         (Version_script_info::~Version_script_info): Don't call clear.
8211         (Version_script_info::finalize): New function.
8212         (Version_script_info::build_lookup_tables): New function.
8213         (Version_script_info::build_expression_list_lookup): New
8214         function.
8215         (Version_script_info::get_symbol_version_helper): Rewrite to use
8216         lookup tables.
8217         (Version_script_info::print_expression_list): Adjust to use
8218         Version_script_info::Language.
8219         (script_push_lex_into_version_mode): Check that the version script
8220         has not been finalized.
8221         (version_script_push_lang): Change language string to
8222         Version_script_info::Language.
8223         * options.cc (Command_line::version_script): New function.
8224         * options.h (class General_options): Add finalize_dynamic_list
8225         function.  Change version_script from declaration to definition.
8226         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8227         * testsuite/version_script.map: Remove duplicate def of foo.
8228         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8229         version_script.map.
8230         * testsuite/Makefile.in: Rebuild.
8231
8232 2009-12-30  Ian Lance Taylor  <iant@google.com>
8233
8234         PR 10843
8235         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8236         if the input symbol index is 0, make the output symbol index 0.
8237
8238 2009-12-30  Ian Lance Taylor  <iant@google.com>
8239
8240         PR 10670
8241         * options.h (class General_options): Add -x/--discard-all.
8242         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8243         --discard-all.  If the local symbol needs a dynamic entry, check
8244         that before handling --discard-locals.
8245
8246 2009-12-30  Ian Lance Taylor  <iant@google.com>
8247
8248         PR 10450
8249         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8250         flags to PF_R.
8251         (Output_segment::add_output_section): Don't change the flags if
8252         the type is PT_TLS.
8253
8254         PR 10450
8255         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8256         GNU hash table if they need a dynamic value.  Otherwise, don't add
8257         them if they are defined in a dynamic object or are forced local.
8258
8259 2009-12-29  Ian Lance Taylor  <iant@google.com>
8260
8261         PR 10450
8262         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8263         .gnu.hash table for a 32-bit target.
8264
8265         PR 10450
8266         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8267         regular and a dynamic object only needs a dynamic symbol table
8268         entry if it is externally visible.
8269
8270         PR 10450
8271         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8272         constructor.  Add global_offset_table_ field.
8273         (Target_i386::got_section): Set global_offset_table_.
8274         (Target_i386::do_finalize_sections): Set global_offset_table_
8275         size.
8276         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8277         in constructor.  Add global_offset_table_ field.
8278         (Target_x86_64::got_section): Set global_offset_table_.
8279         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8280         size.
8281
8282         * layout.cc (Layout::Layout): Initialize increase_relro_.
8283         (Layout::get_output_section): Add is_relro, is_last_relro, and
8284         is_first_non_relro parameters.  Change all callers.
8285         (Layout::choose_output_section): Likewise.
8286         (Layout::add_output_section_data): Likewise.
8287         (Layout::make_output_section): Likewise.
8288         (Layout::set_segment_offsets): Clear increase_relro when using a
8289         linker script.
8290         * layout.h (class Layout): Add increase_relro method.  Add
8291         increase_relro_ field.  Update declarations.
8292         * output.cc (Output_section::Output_section): Initialize
8293         is_last_relro_ and is_first_non_relro_.
8294         (Output_segment::add_output_section): Group relro sections is
8295         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8296         (Output_segment::maximum_alignment): Remove relro handling.
8297         (Output_segment::set_section_addresses): Add increase_relro
8298         parameter.  Change all callers.  Add initial alignment to align
8299         relro sections on separate page.  Remove old relro handling.
8300         (Output_segment::set_section_list_addresses): Remove in_relro
8301         parameter.  Change all callers.
8302         (Output_segment::set_offset): Add increase parameter.  Change all
8303         callers.  Remove old relro handling.
8304         * output.h (class Output_section): Add new methods: is_last_relro,
8305         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8306         Add is_last_relro_ and is_first_non_relro_ fields.
8307         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8308         Create separate .got.plt section.  Call increase_relro.
8309         * x86_64.cc (Target_x86_64::got_section): Likewise.
8310         * testsuite/relro_script_test.t: Add .got.plt.
8311
8312         PR 10450
8313         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8314         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8315         (Layout::finalize): Call set_dynamic_symbol_size.
8316         (Layout::set_dynamic_symbol_size): New function.
8317         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8318         set_dynamic_symbol_size.
8319
8320         PR 10450
8321         * output.h (class Output_section): Add is_entsize_zero_ field.
8322         * output.cc (Output_section::Output_section): Initialize
8323         is_entsize_zero_.
8324         (Output_section::set_entsize): If two different entsizes are
8325         requested, force it to zero.
8326         (Output_section::add_input_section): Set flags for .debug_str
8327         before updating section flags.  Set entsize.
8328         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8329         and SHF_STRING if all input sections have those flags.
8330
8331 2009-12-29   Rafael Espindola  <espindola@google.com>
8332
8333         * main.cc (main): Fix the sys time reporting.
8334         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8335         reporting.
8336
8337 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8338
8339         * options.cc (General_options::parse_version): Allow -v to exit
8340         without an error if there is nothing to link.
8341
8342 2009-12-29  Ian Lance Taylor  <iant@google.com>
8343
8344         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8345         using a version of gcc before 4.1.
8346         * configure: Rebuild.
8347
8348 2009-12-28  Chris Demetriou  <cgd@google.com>
8349
8350         * attributes.cc (Output_attributes_section_data::do_write): Use
8351         std::vector::front rather than std::vector::data.
8352
8353 2009-12-28  Ian Lance Taylor  <iant@google.com>
8354
8355         * symtab.h (class Symbol_table): Add enum Defined.
8356         * resolve.cc (Symbol_table::should_override): Add defined
8357         parameter.  Change all callers.  Test whether object is NULL
8358         before calling a method on it.
8359         (Symbol_table::report_resolve_problem): Add defined parameter.
8360         Change all callers.
8361         (Symbol_table::should_override_with_special): Likewise.
8362         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8363         parameter.  Change all callers.
8364         (Symbol_table::do_define_in_output_data): Likewise.
8365         (Symbol_table::define_in_output_segment): Likewise.
8366         (Symbol_table::do_define_in_output_segment): Likewise.
8367         (Symbol_table::define_as_constant): Likewise.
8368         (Symbol_table::do_define_as_constant): Likewise.
8369         * script.h (class Symbol_assignment): Add is_defsym parameter to
8370         constructor; change all callers.
8371         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8372         parameter.  Change all callers.  Add is_defsym_ field.
8373         (class Parser_closure): Add parsing_defsym parameter to
8374         constructor; change all callers.  Add parsing_defsym accessor
8375         function.  Add parsing_defsym_ field.
8376
8377 2009-12-28  Ian Lance Taylor  <iant@google.com>
8378
8379         * gold.cc (queue_middle_tasks): Fix formatting.
8380         * object.cc (Relobj::is_section_name_included): Likewise.
8381
8382 2009-12-23  Ian Lance Taylor  <iant@google.com>
8383
8384         * i386.cc (Target_i386::do_calls_non_split): Recognize
8385         -fsplit-stack prologue for a function with a static chain.
8386         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8387         -fsplit-stack prologue when using %r11.
8388
8389 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8390
8391         * options.cc (General_options::parse_version): Make -v continue and do
8392         the link like GNU ld does.
8393
8394 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8395
8396         * Makefile.am (CCFILES): Add timer.cc.
8397         (HFILES): Add timer.h.
8398         * configure.ac: Check for sysconf and times.
8399         * main.cc: include timer.h.
8400         (main): Use Timer instead of get_run_time.
8401         * timer.cc: New.
8402         * timer.h: New.
8403         * workqueue.cc: include timer.h.
8404         (Workqueue::find_and_run_task):
8405         Report user, sys and wall time.
8406         * Makefile.in: Regenerate.
8407         * config.in: Regenerate.
8408         * configure: Regenerate.
8409
8410 2009-12-16  Doug Kwan  <dougkwan@google.com>
8411
8412         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8413         sections.
8414         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8415         relaxed input sections.
8416         * output.cc (Output_section::find_relaxed_input_section): Change
8417         return type to Output_relaxed_input_section pointer.  Adjust code
8418         for new type of relaxed_input_section_map_.
8419         * output.h (Output_section::find_relaxed_input_section): Change
8420         return type to Output_relaxed_input_section pointer.
8421         (Output_section::Output_relaxed_input_section_by_input_section_map):
8422         New type.
8423         (Output_section::relaxed_input_section_map_): Change type to
8424         Output_section::Output_relaxed_input_section_by_input_section_map.
8425         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8426         input section.
8427
8428 2009-12-15  Ian Lance Taylor  <iant@google.com>
8429
8430         * layout.cc (Layout::create_shstrtab): Only write out after input
8431         sections if we are compressing debug sections.
8432
8433 2009-12-15  Ian Lance Taylor  <iant@google.com>
8434
8435         * archive.cc (Archive::add_symbols): Only look up a symbol without
8436         a version if there is, in fact, a version.
8437
8438 2009-12-14  Ian Lance Taylor  <iant@google.com>
8439
8440         Revert -Wshadow changes, all changes from:
8441         2009-12-11  Doug Kwan  <dougkwan@google.com>
8442         2009-12-11  Nick Clifton  <nickc@redhat.com>
8443         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8444
8445 2009-12-11  Doug Kwan  <dougkwan@google.com>
8446
8447         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8448         due to -Wshadow.
8449         * attributes.cc (Object_attribute::size): Ditto.
8450         (Attributes_section_data::size): Ditto.
8451         (Attributes_section_data::Attributes_section_data): Ditto.
8452         (Output_attributes_section_data::do_write): Ditto.
8453         * attributes.h (Object_attribute::set_type): Ditto.
8454         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8455
8456 2009-12-11  Nick Clifton  <nickc@redhat.com>
8457
8458         * archive.cc: Fix shadowed variable warnings.
8459         * arm.cc: Likewise.
8460         * compressed_output.cc: Likewise.
8461         * compressed_output.h: Likewise.
8462         * configure: Likewise.
8463         * dwarf_reader.cc: Likewise.
8464         * dynobj.cc: Likewise.
8465         * dynobj.h: Likewise.
8466         * ehframe.cc: Likewise.
8467         * ehframe.h: Likewise.
8468         * errors.cc: Likewise.
8469         * expression.cc: Likewise.
8470         * fileread.cc: Likewise.
8471         * fileread.h: Likewise.
8472         * freebsd.h: Likewise.
8473         * i386.cc: Likewise.
8474         * icf.cc: Likewise.
8475         * incremental.h: Likewise.
8476         * layout.cc: Likewise.
8477         * layout.h: Likewise.
8478         * mapfile.cc: Likewise.
8479         * merge.cc: Likewise.
8480         * merge.h: Likewise.
8481         * object.cc: Likewise.
8482         * object.h: Likewise.
8483         * options.h: Likewise.
8484         * output.cc: Likewise.
8485         * output.h: Likewise.
8486         * parameters.cc: Likewise.
8487         * plugin.cc: Likewise.
8488         * powerpc.cc: Likewise.
8489         * reduced_debug_output.cc: Likewise.
8490         * reduced_debug_output.h: Likewise.
8491         * reloc.cc: Likewise.
8492         * reloc.h: Likewise.
8493         * resolve.cc: Likewise.
8494         * script-sections.cc: Likewise.
8495         * script.cc: Likewise.
8496         * script.h: Likewise.
8497         * sparc.cc: Likewise.
8498         * symtab.cc: Likewise.
8499         * symtab.h: Likewise.
8500         * target-select.cc: Likewise.
8501         * target-select.h: Likewise.
8502         * token.h: Likewise.
8503         * workqueue.cc: Likewise.
8504         * workqueue.h: Likewise.
8505         * x86_64.cc: Likewise.
8506
8507 2009-12-10  Doug Kwan  <dougkwan@google.com>
8508
8509         * arm.cc (attributes.h): New include.
8510         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8511         (Arm_relobj::~Arm_relobj): Delete object pointed by
8512         attributes_section_data_.
8513         (Arm_relobj::attributes_section_data): New method definition.
8514         (Arm_relobj::attributes_section_data_): New data member declaration.
8515         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8516         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8517         attributes_section_data_.
8518         (Arm_dynobj::attributes_section_data): New method definition.
8519         (Arm_dynobj::attributes_section_data_): New data member declaration.
8520         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8521         initialization value of may_use_blx_ to false.
8522         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8523         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8524         object attributes to compute results instead of hard-coding.
8525         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8526         Target_arm::get_secondary_compatible_arch,
8527         Target_arm::set_secondary_compatible_arch
8528         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8529         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8530         New method declarations.
8531         (Target_arm::get_aeabi_object_attribute): New method definition.
8532         (Target_arm::attributes_section_data_): New data member declaration.
8533         (read_arm_attributes_section): New template definition.
8534         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8535         (Arm_dynobj::do_read_symbols): Ditto.
8536         (Target_arm::do_finalize_sections): Merge attributes sections from
8537         input.  Check for BLX use after attributes section merging.
8538         Fix __exidx_start and __exidx_end visibility.  Create an
8539         .ARM.attributes section if necessary.
8540         (Target_arm::get_secondary_compatible_arch,
8541         Target_arm::set_secondary_compatible_arch,
8542         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8543         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8544         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8545         New method definitions.
8546
8547 2009-12-09  Ian Lance Taylor  <iant@google.com>
8548
8549         * plugin.cc (Plugin::load): Don't cast from void* to a function
8550         pointer.
8551
8552 2009-12-09  Ian Lance Taylor  <iant@google.com>
8553
8554         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8555         information fields.
8556
8557 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8558
8559         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8560         Replace two_file_shared_1.so with two_file_shared_2.so.
8561         * testsuite/Makefile.in: Regenerated.
8562
8563 2009-12-08  Doug Kwan  <dougkwan@google.com>
8564
8565         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8566         (HFILES): Add attributes.h and int_encoding.h.
8567         * Makefile.in: Regenerate.
8568         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8569         function definitions to int_encoding.cc
8570         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8571         prototypes to int_encoding.h
8572         * reduced_debug_output.cc (int_encoding.h): New include.
8573         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8574         function definitions to int_encoding.cc
8575         (insert_into_vector, read_from_pointer): Move template definitions to
8576         int_encoding.h
8577         * attributes.cc: New file.
8578         * attributes.h: New file.
8579         * int_encoding.cc: New file.
8580         * int_encoding.h: New file.
8581
8582 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8583
8584         PR gold/11055
8585         * incremental-dump.cc (dump_incremental_inputs): New.
8586         (main): Use dump_incremental_inputs.
8587
8588 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8589
8590         PR gold/10893
8591         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8592         checking elfcpp::STT_FUNC.
8593         (Target_i386::Relocate::relocate): Likewise.
8594         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8595
8596         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8597         symbols from shared libraries into normal FUNC symbols.
8598
8599         * symtab.h (Symbol): Add is_func and use it.
8600
8601 2009-12-05  Doug Kwan  <dougkwan@google.com>
8602
8603         * arm.cc (Target_arm::arm_info): Initialize new fields
8604         attributes_section and attributes_vendor.
8605         * i386.cc (Target_i386::i386_info): Same.
8606         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8607         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8608         fields attributes_section and attributes_vendor.
8609         * sparc.cc (Target_sparc::sparc_info): Same.
8610         * target.h (Target::attributes_section, Target::attributes_vendor,
8611         Target::is_attributes_section, Target::attribute_arg_type,
8612         Target::attributes_order): New method definitions.
8613         (Target::Target_info::attributes_section,
8614         Target::Target_info::attributes_vendor): New fields.
8615         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8616         virtual method definitions.
8617         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8618         attributes_section and attributes_vendor.
8619         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8620
8621 2009-12-05  Doug Kwan  <dougkwan@google.com>
8622
8623         * arm.cc: Update comments about interworking and stub generation.
8624         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8625         considered as non-PIC.
8626         (Arm_relocate_functions::base_abs): Fix formatting.
8627         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8628         of function to use GOT entry address instead of offset.
8629         (Target_arm::Scan::global): Issue an error if a symbol would need a
8630         PLT does not get one because it is untyped.  Remove code to create
8631         dynamic symbols for relative branches.
8632         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8633         takes unsigned integer instead of boolean.
8634
8635 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8636
8637         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8638         (two_file_test_LDADD): Likewise.
8639         (common_test_1_LDADD): Likewise.
8640         (exception_test_LDADD) Likewise.
8641         (weak_test_LDADD): Likewise.
8642         (many_sections_test_LDADD): Likewise.
8643         (initpri1_LDADD): Likewise.
8644         (script_test_1_LDADD): Likewise.
8645         (script_test_2_LDADD): Likewise.
8646         (justsyms_LDADD): Likewise.
8647         (binary_test_LDADD): Likewise.
8648         (large_LDADD): Likewise.
8649         * testsuite/Makefile.in: Regenerated.
8650
8651 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8652
8653         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8654         (Symbol_table::override_with_special): Likewise.
8655         (Symbol_table::add_from_object): Likewise.
8656
8657 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8658
8659         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8660         Don't set the data_offset twice.
8661
8662 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8663
8664         * testsuite/Makefile.in: Regenerate.
8665
8666 2009-12-03  Doug Kwan  <dougkwan@google.com>
8667
8668         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8669         (Target_arm::do_finalize_sections): Add parameter for symbol table
8670         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8671         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8672         parameter for symbol table pointer.
8673         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8674         an additional parameter for a pointer to symbol table.
8675         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8676         parameter for a symbol table pointer.
8677         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8678         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8679         Ditto.
8680         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8681         parameter for a symbol table pointer.
8682
8683 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8684
8685         * incremental.cc (Incremental_inputs_header)
8686         (Incremental_inputs_header_write, Incremental_inputs_entry)
8687         (Incremental_inputs_entry_write): Move ...
8688         * incremental.h (Incremental_inputs_header)
8689         (Incremental_inputs_header_write, Incremental_inputs_entry)
8690         (Incremental_inputs_entry_write): here.
8691
8692 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8693
8694         * incremental.cc (make_sized_incremental_binary): Set the target.
8695         Error if it is incompatible.
8696         * output.h (Output_file): Add filename method.
8697
8698 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8699
8700         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8701         from the get_* methods.
8702
8703 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8704
8705         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8706         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8707         Write 0 for the data_offset of scripts.
8708
8709 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8710
8711         * testsuite/Makefile.am: Add the incremental_test.sh test.
8712         * testsuite/incremental_test.sh: New.
8713         * testsuite/incremental_test_1.c: New.
8714         * testsuite/incremental_test_2.c: New.
8715
8716 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8717
8718         * incremental-dump.cc (main): Fix typos.
8719
8720 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8721
8722         PR gold/11025
8723         * incremental-dump.cc (main): Use llu to print 64 bit values.
8724
8725 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8726             H.J. Lu  <hongjiu.lu@intel.com>
8727
8728         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8729         $(LIBDL).
8730         (incremental_dump_LDADD): Likewise.
8731         * Makefile.in: Regenerated.
8732
8733 2009-11-25  Doug Kwan  <dougkwan@google.com>
8734
8735         Revert:
8736
8737         2009-11-25  Doug Kwan  <dougkwan@google.com>
8738
8739                 * arm.cc (Target_arm::Target_arm): Move method definition
8740                 outside of class definition.  Add code to handle
8741                 --target1-rel, --target1-abs and --target2= options.
8742                 (Target_arm::get_reloc_reloc_type): Change method to be
8743                 non-static and const.
8744                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8745                 New data member declaration.
8746                 (Target_arm::Scan::local, Target_arm::Scan::global,
8747                 Target_arm::Relocate::relocate,
8748                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8749                 Adjust call to Target_arm::get_real_reloc_type.
8750                 (Target_arm::get_real_reloc_type): Use command line options
8751                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8752                 * options.h (--target1-rel, --target1-abs, --target2): New
8753                 ARM-only options.
8754
8755 2009-11-25  Doug Kwan  <dougkwan@google.com>
8756
8757         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8758         class definition.  Add code to handle --target1-rel, --target1-abs
8759         and --target2= options.
8760         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8761         and const.
8762         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8763         member declaration.
8764         (Target_arm::Scan::local, Target_arm::Scan::global,
8765         Target_arm::Relocate::relocate,
8766         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8767         call to Target_arm::get_real_reloc_type.
8768         (Target_arm::get_real_reloc_type): Use command line options to
8769         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8770         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8771         options.
8772
8773 2009-11-25  Doug Kwan  <dougkwan@google.com>
8774
8775         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8776         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8777         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8778         formatting.
8779         (Arm_relocate_functions::thm_call): Replace body with a call to
8780         Arm_relocate_functions::thumb_branch_common.
8781         (Arm_relocate_functions::thm_jump24,
8782         Arm_relocate_functions::thm_xpc22): New method definitions.
8783         (Arm_relocate_functions::thumb_branch_common): New method definition.
8784         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8785         operator.
8786         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8787         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8788
8789 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8790
8791         * Makefile.am: Build incremental-dump
8792         * Makefile.in: Regenerate.
8793         * incremental-dump.cc: New.
8794         * incremental.cc (Incremental_inputs_header_data,
8795         Incremental_inputs_entry_data): Move to incremental.h
8796         * incremental.h: (Incremental_inputs_header_data,
8797         Incremental_inputs_entry_data): Move from incremental.cc
8798
8799 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8800
8801         * incremental.cc (Incremental_inputs_header,
8802         Incremental_inputs_header_write, Incremental_inputs_entry,
8803         Incremental_inputs_entry_write): Add a typedef with the data type.
8804
8805 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8806
8807         * incremental.cc (Incremental_inputs_header,
8808         Incremental_inputs_header_write, Incremental_inputs_entry,
8809         Incremental_inputs_entry_write): Update comment about which
8810         type has the filed descriptions.
8811
8812 2009-11-15  Doug Kwan  <dougkwan@google.com>
8813
8814         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8815         (Arm_relocate_functions::arm_branch_common): Change method defintion
8816         in class definition to a method declaration and update list of formal
8817         parameters.
8818         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8819         Arm_relocation_functions::jump24): Adjust call to
8820         Arm_relocate_functions::arm_branch_common.  Update list of formal
8821         parameters.
8822         (Arm_relocate_functions::xpc25): New method definition.
8823         (Arm_relocate_functions::arm_branch_common): Move method defintion
8824         out from class definition.  Use stubs for mode-switching and extending
8825         branch ranges.
8826         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8827         specially.  Change code to enable use of stubs in ARM branches.
8828
8829 2009-11-10  Doug Kwan  <dougkwan@google.com>
8830
8831         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8832         in method declaration.
8833         (Target_arm::relocate_stub): New method declaration.
8834         (Target_arm::default_target): Change to return a pointer instead of
8835         a const reference.
8836         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8837         Target_arm::default_target.
8838         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8839         method definition.
8840         (Target_arm::relocate_section): Adjust view.
8841         (Target_arm::relocate_stub): New method definition.
8842
8843 2009-11-10  Doug Kwan  <dougkwan@google.com>
8844
8845         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8846         a format warning.
8847         * incremental.cc (open_incremental_binary): Initialized local
8848         variables to avoid warnings.
8849         * object.cc (make_elf_object): Ditto.
8850         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8851         a format warning.
8852
8853 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8854
8855         PR gold/10930
8856         * testsuite/plugin_test.c: Include "config.h".
8857
8858 2009-11-09  Doug Kwan  <dougkwan@google.com>
8859
8860         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8861         (arm_symbol_value): Remove.
8862         (Arm_relocate_functions::arm_branch_common,
8863         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8864         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8865         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8866         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8867         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8868         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8869         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8870         Arm_relocate_functions::thm_mobw_abs_nc,
8871         Arm_relocate_functions::thm_mov_abs,
8872         Arm_relocate_functions::movw_prel_nc,
8873         Arm_relocate_functions::thm_movt_abs,
8874         Arm_relocate_functions::movt_prel,
8875         Arm_relocate_functions::thm_movw_prel_nc,
8876         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8877         (Target_arm::Relocate::relocate): Only decompose address into two
8878         parts if relocation type uses the thumb-bit and pass the actual
8879         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8880         calls to methods in Arm_relocate_functions for this change.
8881
8882 2009-11-08  Ian Lance Taylor  <iant@google.com>
8883
8884         PR 10925
8885         * reloc.cc: Instantiate
8886         Sized_relobj::initialize_input_to_output_maps and
8887         Sized_relobj:free_input_to_output_maps.
8888
8889 2009-11-06  Ian Lance Taylor  <iant@google.com>
8890
8891         PR 10876
8892         * defstd.cc (in_segment): Set only_if_ref true for "end".
8893
8894 2009-11-06  Doug Kwan  <dougkwan@google.com>
8895
8896         * arm.cc (class Reloc_stub): Correct a comment.
8897         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8898         (Target_arm::scan_section_for_stubs): New method declaration.
8899         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8900         Change methods from private to protected.
8901         (Target_arm::do_may_relax): New method definition.
8902         (Target_arm::do_relax, Target_arm::group_sections,
8903         Target_arm::scan_reloc_for_stub,
8904         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8905         (Target_arm::arm_input_section_map_): New data member declaration.
8906         (Target_arm::scan_reloc_for_stub,
8907         Target_arm::scan_reloc_section_for_stubs,
8908         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8909         Target_arm::do_relax): New method definitions.
8910
8911 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8912
8913         * configure.ac: Check for (struct stat)::st_mtim
8914         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8915         * config.in: Regenerate.
8916         * configure: Regenerate.
8917
8918 2009-11-05  Ian Lance Taylor  <iant@google.com>
8919
8920         PR 10910
8921         * output.cc (Output_segment::add_output_section): Add missing
8922         return statement.
8923
8924 2009-11-04  Ian Lance Taylor  <iant@google.com>
8925
8926         PR 10880
8927         * object.h (class Object): Add is_needed and set_is_needed
8928         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8929         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8930         defined in a dynamic object and referenced by a regular object,
8931         set is_needed for the dynamic object.
8932         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8933         if the file is marked with as_needed and it is not needed.
8934
8935 2009-11-04  Ian Lance Taylor  <iant@google.com>
8936
8937         PR 10887
8938         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8939         tags if data is discarded by linker script.
8940         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8941         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8942         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8943         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8944
8945 2009-11-04  Ian Lance Taylor  <iant@google.com>
8946
8947         * layout.cc (Layout::get_output_section): Add is_interp and
8948         is_dynamic_linker_section parameters.  Change all callers.
8949         (Layout::choose_output_section): Likewise.
8950         (Layout::make_output_section): Likewise.
8951         (Layout::add_output_section_data): Add is_dynamic_linker_section
8952         parameter.  Change all callers.
8953         * layout.h (class Layout): Update declarations.
8954         * output.h (class Output_section): Add is_interp, set_is_interp,
8955         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8956         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8957         generate_code_fills_at_write_ to a bitfield.
8958         * output.cc (Output_section::Output_sections): Initialize new
8959         fields.
8960         (Output_segment::add_output_section): Add do_sort parameter.
8961         Change all callers.
8962
8963 2009-11-03  Ian Lance Taylor  <iant@google.com>
8964
8965         PR 10860
8966         * options.h (class General_options): Add --warn-common.
8967         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8968         merging two common symbols.
8969         (Symbol_table::should_override): Handle --warn-common when merging
8970         a common symbol with a defined symbol.  Use report_resolve_problem
8971         for multiple definitions.
8972         (Symbol_table::report_resolve_problem): New function.
8973         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8974
8975 2009-11-03  Doug Kwan  <dougkwan@google.com>
8976
8977         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8978         stub_factory_.
8979         (Target_arm::stub_factory): New method definition.
8980         (Target_arm::new_arm_input_section,
8981         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8982         Target_arm::reloc_uses_thumb_bit): New method declarations.
8983         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8984         New type definitions.
8985         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8986         member declarations.
8987         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8988         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8989         New method definitions.
8990
8991 2009-11-03  Ian Lance Taylor  <iant@google.com>
8992
8993         * options.h (class General_options): Add --warn_constructors.
8994
8995 2009-11-03  Ian Lance Taylor  <iant@google.com>
8996
8997         PR 10893
8998         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8999         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9000
9001 2009-11-03  Ian Lance Taylor  <iant@google.com>
9002
9003         PR 10895
9004         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9005         --msgid-bugs-address.
9006         (install-pdf): New target.
9007         (install-data_yes): Look up one directory to find mkinstalldirs.
9008
9009 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9010
9011         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9012         tree.
9013
9014 2009-10-30  Doug Kwan  <dougkwan@google.com>
9015
9016         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9017
9018 2009-10-30  Doug Kwan  <dougkwan@google.com>
9019
9020         * arm.cc (Stub_addend_reader): New struct template definition
9021         and partial specializations.
9022         (Stub_addend_reader::operator()): New method definition for a
9023         partially specialized template.
9024
9025 2009-10-30  Doug Kwan  <dougkwan@google.com>
9026
9027         * arm.cc (Arm_relobj::processor_specific_flags): New method
9028         definition.
9029         (Arm_relobj::do_read_symbols): New method declaration.
9030         (Arm_relobj::processor_specific_flags_): New data member declaration.
9031         (Arm_dynobj): New class definition.
9032         (Target_arm::do_finalize_sections): Add input_objects parameter.
9033         (Target_arm::do_adjust_elf_header): New method declaration.
9034         (Target_arm::are_eabi_versions_compatible,
9035         (Target_arm::merge_processor_specific_flags): New method declaration.
9036         (Target_arm::do_make_elf_object): New overloaded method definitions
9037         and declaration.
9038         (Arm_relobj::do_read_symbols): New method definition.
9039         (Arm_dynobj::do_read_symbols): Ditto.
9040         (Target_arm::do_finalize_sections): Add input_objects parameters.
9041         Merge processor-specific flags from all input objects.
9042         (Target_arm::are_eabi_versions_compatible,
9043         Target_arm::merge_processor_specific_flags,
9044         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9045         New method definitions.
9046         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9047         Input_objects pointer type parameter.
9048         * layout.cc (Layout::finalize): Pass input objects to target's.
9049         finalize_sections function.
9050         * output.cc (Output_file_header::do_sized_write): Set ELF file
9051         header's processor-specific flags.
9052         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9053         Input_objects pointer type parameter.
9054         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9055         * target.h (Input_objects): New forward class declaration.
9056         (Target::processor_specific_flags,
9057         Target::are_processor_specific_flags_sect): New method definitions.
9058         (Target::finalize_sections): Add input_objects parameter.
9059         (Target::Target): Initialize processor_specific_flags_ and
9060         are_processor_specific_flags_set_.
9061         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9062         parameter.
9063         (Target::set_processor_specific_flags): New method definition.
9064         (Target::processor_specific_flags_,
9065         Target::are_processor_specific_flags_set_): New data member
9066         declarations.
9067         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9068         Input_objects pointer type parameter.
9069
9070 2009-10-30  Doug Kwan  <dougkwan@google.com>
9071
9072         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9073
9074 2009-10-28  Ian Lance Taylor  <iant@google.com>
9075
9076         * object.h (class Relobj): Drop options parameter from
9077         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9078         do_scan_relocs, do_relocate.  Change all callers.
9079         (class Sized_relobj): Drop options parameters from
9080         do_gc_process_relocs, do_scan_relocs, do_relocate,
9081         do_relocate_sections, relocate_sections, emit_relocs_scan,
9082         emit_relocs_scan_reltype.  Change all callers.
9083         (struct Relocate_info): Remove options field and all references to
9084         it.
9085         * reloc.h (class Read_relocs): Remove options constructor
9086         parameter and options_ field.  Change all callers.
9087         (class Gc_process_relocs, class Scan_relocs): Likewise.
9088         (class Relocate_task): Likewise.
9089         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9090         all callers.
9091         (scan_relocatable_relocs): Likewise.
9092         * target.h (class Sized_target): Remove options parameter from
9093         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9094         all callers.
9095         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9096         callers.
9097         * arm.cc: Update functions to remove options parameters.
9098         * i386.cc: Likewise.
9099         * powerpc.cc: Likewise.
9100         * sparc.cc: Likewise.
9101         * x86_64.cc: Likewise.
9102         * testsuite/testfile.cc: Likewise.
9103
9104 2009-10-28  Doug Kwan  <dougkwan@google.com>
9105
9106         * arm.cc (Arm_relobj): New class definition.
9107         (Arm_relobj::scan_sections_for_stubs,
9108         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9109         New method definitions.
9110
9111 2009-10-28  Cary Coutant  <ccoutant@google.com>
9112
9113         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9114         (Plugin::cleanup_done_): New member.
9115         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9116         (Plugin_manager::cleanup_done_): Remove.
9117         (Plugin_manager::add_input_file): Edit error message.
9118         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9119         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9120
9121 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9122
9123         * fileread.cc: (File_read::View::~View): Use the new
9124         data_ownership_ filed.
9125         (File_read::~File_read): Dispose the new whole_file_view_.
9126         (File_read::open): Mmap the whole file if needed.
9127         (File_read::open): Use whole_file_view_ instead of contents_.
9128         (File_read::find_view): Use whole_file_view_ if applicable.
9129         (File_read::do_read): Use whole_file_view_ instead of contents_.
9130         (File_read::make_view): Use whole_file_view_ instead of contents_,
9131         update File_read::View::View call.
9132         (File_read::find_or_make_view): Update File_read::View::View
9133         call.
9134         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9135         remove contents_
9136         (File_read::View::Data_ownership): New enum.
9137         (File_read::View::View): Replace bool mapped_ with Data_ownership
9138         argument.
9139         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9140         (File_read::View::data_ownership_): New field.
9141         (File_read::contents_): Remove (replaced by whole_file_view_).
9142         (File_read::whole_file_view_): New field.
9143         * options.h (class General_options): Add --keep-files-mapped.
9144
9145 2009-10-27  Cary Coutant  <ccoutant@google.com>
9146
9147         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9148         * testsuite/Makefile.am (plugin_test_5): New test case.
9149         * testsuite/Makefile.in: Regenerate.
9150
9151 2009-10-25  Doug Kwan  <dougkwan@google.com>
9152
9153         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9154         from private to protected to allow access by child class.
9155         (Sized_relobj::do_relocate_sections): New method declaration.
9156         (Sized_relobj::relocate_sections): Virtualize.
9157         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9158         Sized_relobj::relocate_sections.  Instantiate template explicitly
9159         for different target sizes and endianity.
9160
9161 2009-10-24  Doug Kwan  <dougkwan@google.com>
9162
9163         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9164         (Arm_input_section::as_arm_input_section): New method.
9165         (Arm_output_section): New class definition.
9166         (Arm_output_section::create_stub_group,
9167         Arm_output_section::group_sections): New method definitions.
9168
9169 2009-10-22  Doug Kwan  <dougkwan@google.com>
9170
9171         * arm.cc (Arm_input_section): New class definition.
9172         (Arm_input_section::init, Arm_input_section:do_write,
9173         Arm_input_section::set_final_data_size,
9174         Arm_input_section::do_reset_address_and_file_offset): New method
9175         definitions.
9176
9177 2009-10-21  Doug Kwan  <dougkwan@google.com>
9178
9179         * arm.cc (Stub_table, Arm_input_section): New forward class
9180         declarations.
9181         (Stub_table): New class defintion.
9182         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9183         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9184         New method definition.
9185
9186 2009-10-21  Doug Kwan  <dougkwan@google.com>
9187
9188         * arm.cc: Update copyright comments.
9189         (Target_arm): New forward class template declaration.
9190         (Arm_address): New type.
9191         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9192         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9193         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9194         constants.
9195         (Insn_template): Same.
9196         (DEF_STUBS): New macro.
9197         (Stub_type): New enum type.
9198         (Stub_template): New class definition.
9199         (Stub): Same.
9200         (Reloc_stub): Same.
9201         (Stub_factory): Same.
9202         (Target_arm::Target_arm): Initialize may_use_blx_ and
9203         should_force_pic_veneer_.
9204         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9205         Target_arm::should_force_pic_veneer,
9206         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9207         Target_arm::using_thumb_only, Target_arm:;default_target): New
9208         method defintions.
9209         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9210         New data member declarations.
9211         (Insn_template::size, Insn_template::alignment): New method defintions.
9212         (Stub_template::Stub_template): New method definition.
9213         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9214         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9215         (Stub_factory::Stub_factory): New method definition.
9216         * gold.h (string_hash): New template.
9217         * output.h (Input_section_specifier::hash_value): Use
9218         gold::string_hash.
9219         (Input_section_specifier::string_hash): Remove.
9220         * stringpool.cc (Stringpool_template::string_hash): Use
9221         gold::string_hash.
9222
9223 2009-10-20  Doug Kwan  <dougkwan@google.com>
9224
9225         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9226         symbols of relaxed input sections.
9227         * output.h (Output_section::find_relaxed_input_section): Make
9228         method public.
9229
9230 2009-10-16  Doug Kwan  <dougkwan@google.com>
9231
9232         * dynobj.cc (Versions::Versions): Initialize version_script_.
9233         Only insert base version symbol definition for a shared object
9234         if version script defines any version versions.
9235         (Versions::define_base_version): New method definition.
9236         (Versions::add_def): Check that base version is not needed.
9237         (Versions::add_need): Define base version lazily.
9238         * dynobj.h (Versions::define_base_version): New method declaration.
9239         (Versions::needs_base_version_): New data member declaration.
9240         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9241         (check_DATA): Add no_version_test.stdout.
9242         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9243         New make rules.
9244         * testsuite/Makefile.in: Regenerate.
9245         * testsuite/no_version_test.c: New file.
9246         * testsuite/no_version_test.sh: Ditto.
9247
9248 2009-10-16  Doug Kwan  <dougkwan@google.com>
9249
9250         * expression.cc (class Segment_start_expression): New class definition.
9251         (Segment_start_expression::value): New method definition.
9252         (script_exp_function_segment_start): Return a new
9253         Segment_start_expression.
9254         * gold/script-c.h (script_saw_segment_start_expression): New function
9255         prototype.
9256         * script-sections.cc (Script_sections::Script_sections): Initialize
9257         SAW_SEGMENT_START_EXPRESSION_ to false.
9258         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9259         and -Tbbs options to specify section addresses if given in
9260         command line and no SEGMENT_START expression is seen in a script.
9261         * script-sections.h (Script_sections::saw_segment_start_expression,
9262         Script_sections::set_saw_segment_start_expression): New method
9263         definition.
9264         (Script_sections::saw_segment_start_expression_): New data member
9265         declaration.
9266         * script.cc (script_saw_segment_start_expression): New function.
9267         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9268         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9269         script_test_7.sh and script_test_8.sh.
9270         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9271         script_test_8.stdout.
9272         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9273         (script_test_6, script_test_6.stdout, script_test_7,
9274         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9275         * Makefile.in: Regenerate.
9276         * testsuite/script_test_6.sh: New file.
9277         * testsuite/script_test_6.t: Same.
9278         * testsuite/script_test_7.sh: Same.
9279         * testsuite/script_test_7.t: Same.
9280         * testsuite/script_test_8.sh: Same.
9281
9282 2009-10-16  Doug Kwan  <dougkwan@google.com>
9283
9284         * output.cc (Output_segment::set_section_list_address): Cast
9285         expressions to unsigned long long type to avoid format warnings.
9286
9287 2009-10-15  Ian Lance Taylor  <iant@google.com>
9288
9289         * script.cc (Script_options::add_symbol_assignment): Always add a
9290         dot assignment to script_sections_.
9291         * script-sections.cc (Script_sections::add_dot_assignment):
9292         Initialize if necessary.
9293
9294         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9295         program headers with no load segment if there is a linker script.
9296
9297         * layout.cc (Layout::set_segment_offsets): Align the file offset
9298         to the segment aligment for -N or -n with no load segment.
9299         * output.cc (Output_segment::add_output_section): Don't crash if
9300         the first section is a TLS section.
9301         (Output_segment::set_section_list_addresses): Print an error
9302         message if the address moves backward in a linker script.
9303         * script-sections.cc
9304         (Output_section_element_input::set_section_addresses): Don't
9305         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9306         (Orphan_output_section::set_section_addresses): Likewise.
9307
9308 2009-10-15  Doug Kwan  <dougkwan@google.com>
9309
9310         * layout.cc (Layout::finish_dynamic_section): Generate tags
9311         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9312         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9313         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9314
9315 2009-10-14  Ian Lance Taylor  <iant@google.com>
9316
9317         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9318         fields.
9319         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9320         data_shdr fields of relinfo.
9321         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9322         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9323         R_386_TLS_LDO_32, adjust based on section flags.
9324         (Target_i386::Relocate::fix_up_ldo): Remove.
9325
9326 2009-10-13  Ian Lance Taylor  <iant@google.com>
9327
9328         Add support for -pie.
9329         * options.h (class General_options): Add -pie and
9330         --pic-executable.
9331         (General_options::output_is_position_independent): Test -pie.
9332         (General_options::output_is_executable): Return true if not shared
9333         and not relocatable.
9334         (General_options::output_is_pie): Remove.
9335         * options.cc (General_options::finalize): Reject incompatible uses
9336         of -pie.
9337         * gold.cc (queue_middle_tasks): A -pie link is not static.
9338         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9339         * symtab.cc (Symbol::final_value_is_known): Return false if
9340         output_is_position_independent.
9341         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9342         output_is_position_independent.
9343         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9344         output_is_position_independent.
9345         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9346         output_is_position_independent.
9347         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9348         two_file_pie_test.
9349         (basic_pie_test.o, basic_pie_test): New targets.
9350         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9351         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9352         (two_file_pie_test): New target.
9353         * testsuite/Makefile.in: Rebuild.
9354         * README: Remove note saying that -pie is not supported.
9355
9356 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9357
9358         * options.h (class General_options): Add -init and -fini.
9359         * layout.cc (Layout::finish_dynamic_section): Emit
9360         given init and fini functions.
9361
9362 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9363
9364         * gc.h (gc_process_relocs): Check if icf is enabled using new
9365         function.
9366         * gold.cc (queue_initial_tasks): Likewise.
9367         (queue_middle_tasks): Likewise.
9368         * object.cc (do_layout): Likewise.
9369         * symtab.cc (is_section_folded): Likewise.
9370         * main.cc (main): Likewise.
9371         * reloc.cc (Read_relocs::run): Likewise.
9372         (Sized_relobj::do_scan_relocs): Likewise.
9373         * icf.cc (is_function_ctor_or_dtor): New function.
9374         (Icf::find_identical_sections): Check if function is ctor or dtor when
9375         safe icf is chosen.
9376         * options.h (General_options::icf): Change option to be an enum.
9377         (Icf_status): New enum.
9378         (icf_enabled): New method.
9379         (icf_safe_folding): New method.
9380         (set_icf_status): New method.
9381         (icf_status_): New variable.
9382         * (options.cc) (General_options::finalize): Set icf_status_.
9383         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9384         icf_test and icf_keep_unique_test to use the --icf enum flag.
9385         * testsuite/icf_safe_test.sh: New file.
9386         * testsuite/icf_safe_test.cc: New file.
9387
9388 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9389
9390         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9391         includes to gc.h and icf.h.
9392         * arm.cc: Include gc.h.
9393         * gold.cc: Likewise.
9394         * i386.cc: Likewise.
9395         * powerpc.cc: Likewise.
9396         * sparc.cc: Likewise.
9397         * x86_64.cc: Likewise.
9398         * gc.h: Include icf.h.
9399
9400 2009-10-11  Ian Lance Taylor  <iant@google.com>
9401
9402         * plugin.cc: Include "gold.h" before other header files.
9403
9404 2009-10-10  Chris Demetriou  <cgd@google.com>
9405
9406         * options.h (Input_file_argument::Input_file_type): New enum.
9407         (Input_file_argument::is_lib_): Replace with...
9408         (Input_file_argument::type_): New member.
9409         (Input_file_argument::Input_file_argument): Take Input_file_type
9410         'type' rather than boolean 'is_lib' as second argument.
9411         (Input_file_argument::is_lib): Use type_.
9412         (Input_file_argument::is_searched_file): New function.
9413         (Input_file_argument::may_need_search): Handle is_searched_file.
9414         * options.cc (General_options::parse_library): Support -l:filename.
9415         (General_options::parse_just_symbols): Update for Input_file_argument
9416         changes.
9417         (Command_line::process): Likewise.
9418         * archive.cc (Archive::get_file_and_offset): Likewise.
9419         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9420         * script.cc (read_script_file, script_add_file): Likewise.
9421         * fileread.cc (Input_file::Input_file): Likewise.
9422         (Input_file::will_search_for): Handle is_searched_file.
9423         (Input_file::open): Likewise.
9424         * readsyms.cc (Read_symbols::get_name): Likewise.
9425         * testsuite/Makefile.am (searched_file_test): New test.
9426         * testsuite/Makefile.in: Regenerate.
9427         * testsuite/searched_file_test.cc: New file.
9428         * testsuite/searched_file_test_lib.cc: New file.
9429
9430 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9431             Ian Lance Taylor  <iant@google.com>
9432
9433         * descriptor.cc: Include <cstdio> and "binary-io.h".
9434         (Descriptors::open): Open the files in binary mode always.
9435         * script.cc (Lex::get_token): Treat \r as whitespace.
9436
9437 2009-10-09  Ian Lance Taylor  <iant@google.com>
9438
9439         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9440
9441 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9442             Ian Lance Taylor  <iant@google.com>
9443
9444         * configure.ac: Check for readv function also.
9445         * fileread.cc (readv): Define if not HAVE_READV.
9446         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9447         does not exist.
9448         * config.in: Regenerate.
9449         * configure: Regenerate.
9450
9451 2009-10-09  Doug Kwan  <dougkwan@google.com>
9452
9453         * layout.cc (Layout::make_output_section): Call target hook to make
9454         ordinary output section.
9455         (Layout::finalize): Adjust parameter list of call the
9456         Target::may_relax().
9457         * layout.h (class Layout::section_list): New method.
9458         * merge.h (Output_merge_base::entsize): Change visibility to public.
9459         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9460         New methods.
9461         (Output_merge_string::do_is_string): New method.
9462         * object.cc (Sized_relobj::do_setup): renamed from
9463         Sized_relobj::set_up.
9464         * object.h (Sized_relobj::adjust_shndx,
9465         Sized_relobj::initializ_input_to_output_maps,
9466         Sized_relobj::free_input_to_output_maps): Change visibilities to
9467         protected.
9468         (Sized_relobj::setup): Virtualize.
9469         (Sized_relobj::do_setup): New method declaration.
9470         (Sized_relobj::invalidate_section_offset,
9471         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9472         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9473         * options.cc (parse_int): New function.
9474         * options.h (parse_int): New declaration.
9475         (DEFINE_int): New macro.
9476         (stub_group_size): New option.
9477         * output.cc (Output_section::Output_section): Initialize memebers
9478         merge_section_map_, merge_section_by_properties_map_,
9479         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9480         (Output_section::add_input_section): Handled deferred code-fill
9481         generation and remove an old comment.
9482         (Output_section::add_relaxed_input_section): New method definition.
9483         (Output_section::add_merge_input_section): Use merge section by
9484         properties map to speed to search.  Update merge section maps
9485         as appropriate.
9486         (Output_section::build_relaxation_map): New method definition.
9487         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9488         Same.
9489         (Output_section::relax_input_section): Renamed to
9490         Output_section::convert_input_sections_to_relaxed_sections and change
9491         interface to take a vector of pointers to relaxed sections.
9492         (Output_section::find_merge_section,
9493         Output_section::find_relaxed_input_section): New method definitions.
9494         (Output_section::is_input_address_mapped,
9495         Output_section::output_offset, Output_section::output_address):
9496         Use output section data maps to speed up searching.
9497         (Output_section::find_starting_output_address): Add comments.
9498         (Output_section::do_write,
9499         Output_section::write_to_postprocessing_buffer): Do code-fill
9500         generation as appropriate.
9501         (Output_section::get_input_sections): Invalidate relaxed input section
9502         map.
9503         (Output_section::restore_states): Adjust type of checkpoint .
9504         Invalidate relaxed input section map.
9505         * output.h (Output_merge_base): New class declaration.
9506         (Input_section_specifier): New class defintion.
9507         (class Output_relaxed_input_section) Change base class to
9508         Output_section_data_build.
9509         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9510         base class initializer.
9511         (Output_section::add_relaxed_input_section): New method declaration.
9512         (Output_section::Input_section): Change visibility to protected.
9513         (Output_section::Input_section::relobj,
9514         Output_section::Input_section::shndx): Handle relaxed input sections.
9515         Output_section::input_sections) Change visibility to protected.  Also
9516         define overload to return a non-const pointer.
9517         (Output_section::Merge_section_properties): New class defintion.
9518         (Output_section::Merge_section_by_properties_map,
9519         Output_section::Output_section_data_by_input_section_map,
9520         Output_section::Relaxation_map): New types.
9521         (Output_section::relax_input_section): Rename method to
9522         Output_section::convert_input_sections_to_relaxed_sections and change
9523         interface to take a vector of relaxed section pointers.
9524         (Output_section::find_merge_section,
9525         Output_section::find_relaxed_input_section,
9526         Output_section::build_relaxation_map,
9527         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9528         New method declarations.
9529         (Output_section::merge_section_map_
9530         Output_section::merge_section_by_properties_map_,
9531         Output_section::relaxed_input_section_map_,
9532         Output_section::is_relaxed_input_section_map_valid_,
9533         Output_section::generate_code_fills_at_write_): New data members.
9534         * script-sections.cc
9535         (Output_section_element_input::set_section_addresses): Call
9536         current_data_size and addralign methods of relaxed input sections.
9537         (Orphan_output_section::set_section_addresses): Call current_data_size
9538         and addralign methods of relaxed input sections.
9539         * symtab.cc (Symbol_table::compute_final_value): Extract template
9540         from the body of Symbol_table::sized_finalize_symbol.
9541         (Symbol_table::sized_finalized_symbol): Call
9542         Symbol_table::compute_final_value.
9543         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9544         (Symbol_table::compute_final_value): New templated method declaration.
9545         * target.cc (Target::do_make_output_section): New method defintion.
9546         * target.h (Target::make_output_section): New method declaration.
9547         (Target::relax): Add more parameters for input objects, symbol table
9548         and layout.  Adjust call to do_relax.
9549         (Target::do_make_output_section): New method declaration.
9550         (Target::do_relax): Add parameters for input objects, symbol table
9551         and layout.
9552
9553 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9554
9555         * pread.c: Include stdio.h.
9556
9557 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9558
9559         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9560         defined.
9561
9562 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9563
9564         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9565         Change read_shndx type to unsigned int.
9566         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9567         int.
9568         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9569         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9570         Change read_shndx type to unsigned int.
9571         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9572         int.
9573         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9574         * layout.cc (Layout::create_symtab_sections): Cast the result of
9575         local_symcount * symsize to off_t in the gold_assert.
9576
9577 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9578
9579         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9580         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9581         R_ARM_BASE_ABS.
9582         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9583         (Arm_relocate_functions::thm_abs5): New function.
9584         (Arm_relocate_functions::abs12): New function.
9585         (Arm_relocate_functions::abs16): New function.
9586         (Arm_relocate_functions::base_abs): New function.
9587         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9588         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9589         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9590         R_ARM_BASE_ABS.
9591         (Scan::global): Likewise.
9592         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9593         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9594         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9595         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9596         R_ARM_BASE_ABS.
9597
9598 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9599
9600         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9601         (Arm_relocate_functions::movt_prel): New function.
9602         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9603         (Arm_relocate_functions::thm_movt_prel): New function.
9604         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9605         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9606         (Scan::global, Relocate::relocate): Likewise.
9607         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9608
9609 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9610
9611         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9612         Incremental_checker.
9613         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9614         unsigned int.
9615         (class Incremental_inputs_header): New class.
9616         (Incremental_inputs_header_writer): Edit comment.
9617         (Incremental_inputs_entry): New class.
9618         (Incremental_inputs_entry_writer): Edit comment.
9619         (Sized_incremental_binary::do_find_incremental_inputs_section):
9620         Add *strtab_shndx parameter, fill it.
9621         (Sized_incremental_binary::do_check_inputs): New method.
9622         (Incremental_checker::can_incrementally_link_output_file): Use
9623         Sized_incremental_binary::check_inputs.
9624         (Incremental_inputs::report_command_line): Save command line in
9625         command_line_.
9626         * incremental.h:
9627         (Incremental_binary::find_incremental_inputs_section): New
9628         method.
9629         (Incremental_binary::do_find_incremental_inputs_section): Add
9630         strtab_shndx parameter.
9631         (Incremental_binary::do_check_inputs): New pure virtual method.
9632         (Sized_incremental_binary::do_check_inputs): Declare.
9633         (Incremental_checker::Incremental_checker): Add incremental_inputs
9634         parameter, use it to initialize incremental_inputs_.
9635         (Incremental_checker::incremental_inputs_): New field.
9636         (Incremental_checker::command_line): New method.
9637         (Incremental_checker::inputs): New method.
9638         (Incremental_checker::command_line_): New field.
9639
9640 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9641
9642         * incremental.cc: Include <cstdarg> and "target-select.h".
9643         (vexplain_no_incremental): New function.
9644         (explain_no_incremental): New function.
9645         (Incremental_binary::error): New method.
9646         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9647         method.
9648         (make_sized_incremental_binary): New function.
9649         (open_incremental_binary): New function.
9650         (can_incrementally_link_file): Add checks if output is ELF and has
9651         inputs section.
9652         * incremental.h: Include "elfcpp_file.h" and "output.h".
9653         (Incremental_binary): New class.
9654         (Sized_incremental_binary): New class.
9655         (open_incremental_binary): Declare.
9656         * object.cc (is_elf_object): Use
9657         elfcpp::Elf_recognizer::is_elf_file.
9658         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9659         * output.h (Output_file::filesize): New method.
9660
9661 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9662
9663         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9664         New function.
9665         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9666         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9667         function.
9668         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9669         function.
9670         (Arm_relocate_functions::movw_abs_nc): New function.
9671         (Arm_relocate_functions::movt_abs): New function.
9672         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9673         (Arm_relocate_functions::thm_movt_abs): New function.
9674         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9675         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9676         (Scan::global): Likewise.
9677         (Relocate::relocate): Likewise.
9678         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9679
9680 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9681
9682         * arm.cc (Arm_relocate_functions::got_prel) New function.
9683         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9684         (Relocate::relocate): Likewise.
9685         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9686
9687 2009-10-06  Ian Lance Taylor  <iant@google.com>
9688
9689         * options.h (class General_options): Define
9690         split_stack_adjust_size parameter.
9691         * object.h (class Object): Add uses_split_stack_ and
9692         has_no_split_stack_ fields.  Add uses_split_stack and
9693         has_no_split_stack accessor functions.  Declare
9694         handle_split_stack_section.
9695         (class Reloc_symbol_changes): Define.
9696         (class Sized_relobj): Define Function_offsets.  Declare
9697         split_stack_adjust, split_stack_adjust_reltype, and
9698         find_functions.
9699         * object.cc (Object::handle_split_stack_section): New function.
9700         (Sized_relobj::do_layout): Call handle_split_stack_section.
9701         * dynobj.cc (Sized_dynobj::do_layout): Call
9702         handle_split_stack_section.
9703         * reloc.cc (Sized_relobj::relocate_sections): Call
9704         split_stack_adjust for executable sections in split_stack
9705         objects.  Pass reloc_map to relocate_section.
9706         (Sized_relobj::split_stack_adjust): New function.
9707         (Sized_relobj::split_stack_adjust_reltype): New function.
9708         (Sized_relobj::find_functions): New function.
9709         * target-reloc.h: Include "object.h".
9710         (relocate_section): Add reloc_symbol_changes parameter.  Change
9711         all callers.
9712         * target.h (class Target): Add calls_non_split method.  Declare
9713         do_calls_non_split virtual method.  Declare match_view and
9714         set_view_to_nop.
9715         * target.cc: Include "elfcpp.h".
9716         (Target::do_calls_non_split): New function.
9717         (Target::match_view): New function.
9718         (Target::set_view_to_nop): New function.
9719         * gold.cc (queue_middle_tasks): Give an error if mixing
9720         split-stack and non-split-stack objects with -r.
9721         * i386.cc (Target_i386::relocate_section): Add
9722         reloc_symbol_changes parameter.
9723         (Target_i386::do_calls_non_split): New function.
9724         * x86_64.cc (Target_x86_64::relocate_section): Add
9725         reloc_symbol_changes parameter.
9726         (Target_x86_64::do_calls_non_split): New function.
9727         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9728         parameter.
9729         * powerpc.cc (Target_powerpc::relocate_section): Add
9730         reloc_symbol_changes parameter.
9731         * sparc.cc (Target_sparc::relocate_section): Add
9732         reloc_symbol_changes parameter.
9733         * configure.ac: Call AM_CONDITIONAL for the default target.
9734         * configure: Rebuild.
9735         * testsuite/Makefile.am (TEST_AS): New variable.
9736         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9737         (check_DATA): Add split_i386 and split_x86_64 files.
9738         (SPLIT_DEFSYMS): Define.
9739         (split_i386_[1234n].o): New targets.
9740         (split_i386_[124]): New targets.
9741         (split_i386_[1234r].stdout): New targets.
9742         (split_x86_64_[1234n].o): New targets.
9743         (split_x86_64_[124]): New targets.
9744         (split_x86_64_[1234r].stdout): New targets.
9745         (MOSTLYCLEANFILES): Add new executables.
9746         * testsuite/split_i386.sh: New file.
9747         * testsuite/split_x86_64.sh: New file.
9748         * testsuite/split_i386_1.s: New file.
9749         * testsuite/split_i386_2.s: New file.
9750         * testsuite/split_i386_3.s: New file.
9751         * testsuite/split_i386_4.s: New file.
9752         * testsuite/split_i386_n.s: New file.
9753         * testsuite/split_x86_64_1.s: New file.
9754         * testsuite/split_x86_64_2.s: New file.
9755         * testsuite/split_x86_64_3.s: New file.
9756         * testsuite/split_x86_64_4.s: New file.
9757         * testsuite/split_x86_64_n.s: New file.
9758         * testsuite/testfile.cc (Target_test): Update relocation_section
9759         function.
9760         * testsuite/Makefile.in: Rebuild.
9761
9762 2009-10-06  Ian Lance Taylor  <iant@google.com>
9763
9764         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9765         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9766         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9767         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9768         the address on ldo_addrs_.
9769         (Target_i386::Relocate::fix_up_ldo): New function.
9770
9771 2009-10-06   Rafael Espindola  <espindola@google.com>
9772
9773         * plugin.cc (add_input_library): New.
9774         (Plugin::load): Add add_input_library to tv.
9775         (Plugin_manager::add_input_file): Add the is_lib argument.
9776         (add_input_file): Update call to Plugin_manager::add_input_file.
9777         (add_input_library): New.
9778         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9779
9780 2009-09-30  Doug Kwan  <dougkwan@google.com>
9781
9782         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9783         symbol and call Symbol::may_need_copy_reloc to determine if
9784         a copy reloc is needed.
9785         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9786         nocopyreloc is given in command line.
9787         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9788         given in command line.
9789         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9790         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9791         of the removed Target_i386::may_need_copy_reloc.
9792         * options.h (copyreloc): New option with default value false.
9793         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9794         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9795         instead of the removed Target_powerpc::may_need_copy_reloc.
9796         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9797         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9798         instead of the removed Target_sparc::may_need_copy_reloc.
9799         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9800         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9801         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9802         instead of the removed Target_x86_64::may_need_copy_reloc.
9803
9804 2009-09-30  Ian Lance Taylor  <iant@google.com>
9805
9806         * object.h (class Object): Remove target_ field, and target,
9807         sized_target, and set_target methods.
9808         (Object::sized_target): Remove.
9809         (class Sized_relobj): Update declarations.  Remove sized_target.
9810         * object.cc (Sized_relobj::setup): Remove target parameter.
9811         Change all callers.
9812         (Input_objects::add_object): Don't do anything with the target.
9813         (make_elf_sized_object): Add punconfigured parameter.  Change all
9814         callers.  Set or test parameter target.
9815         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9816         Change all callers.
9817         * parameters.cc (Parameters::set_target): Change parameter type to
9818         be non-const.
9819         (Parameters::default_target): Remove.
9820         (set_parameters_target): Change parameter type to be non-const.
9821         (parameters_force_valid_target): New function.
9822         (parameters_clear_target): New function.
9823         * parameters.h (class Parameters): Update declarations.  Remove
9824         default_target method.  Add sized_target and clear_target
9825         methods.  Change target_ to be non-const.
9826         (set_parameters_target): Update declaration.
9827         (parameters_force_valid_target): Declare.
9828         (parameters_clear_target): Declare.
9829         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9830         as NULL if we aren't searching.
9831         (Add_symbols::run): Don't check for compatible target.
9832         * fileread.cc (Input_file::open_binary): Call
9833         parameters_force_valid_target.
9834         * gold.cc (queue_middle_tasks): Likewise.
9835         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9836         set_target on object.
9837         * dynobj.h (class Sized_dynobj): Update declarations.
9838         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9839         make_elf_object returns NULL.
9840         (Archive::include_member): Don't check whether object target is
9841         compatible.
9842         * output.cc (Output_section::add_input_section): Get target from
9843         parameters.
9844         (Output_section::relax_input_section): Likewise.
9845         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9846         parameters.
9847         (Sized_relobj::do_scan_relocs): Likewise.
9848         (Sized_relobj::relocate_sections): Likewise.
9849         * resolve.cc (Symbol_table::resolve): Likewise.
9850         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9851         parameter.  Change all callers.
9852         (Symbol_table::add_from_object): Get target from parameters.
9853         (Symbol_table::add_from_relobj): Don't check object target.
9854         (Symbol_table::add_from_dynobj): Likewise.
9855         (Symbol_table::define_special_symbol): Get target from
9856         parameters.
9857         * symtab.h (class Symbol_table): Update declaration.
9858         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9859         parameter.  Change all callers.  Clear parameter target.
9860         (Binary_test): Test target here.
9861         * testsuite/object_unittest.cc (gold_testsuite): Remove
9862         target_test_pointer parameter.  Change all callers.
9863         (Object_test): Test target here.
9864
9865 2009-09-26  Ian Lance Taylor  <iant@google.com>
9866
9867         * testsuite/initpri1.c: Don't try to use constructor priorities if
9868         compiling with gcc before 4.3.
9869
9870 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9871
9872         * testsuite/retain_symbols_file_test.sh (check_present): Change
9873         output file name to retain_symbols_file_test.stdout.
9874         (check_absent): Likewise.
9875
9876 2009-09-18  Craig Silverstein  <csilvers@google.com>
9877
9878         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9879         * options.cc: Include <cerrno> and <fstream>.
9880         (General_options::finalize): Parse -retain-symbols-file tag.
9881         * options.h: New flag.
9882         (General_options): New method should_retain_symbol, new
9883         variable symbols_to_retain.
9884         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9885         should_retain_symbol map.
9886         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9887         * testsuite/Makefile.in: Regenerate.
9888         * testsuite/retain_symbols_file_test.sh: New file.
9889
9890 2009-09-18  Nick Clifton  <nickc@redhat.com>
9891
9892         * po/es.po: Updated Spanish translation.
9893
9894 2009-09-17  Doug Kwan  <dougkwan@google.com>
9895
9896         * debug.h (DEBUG_RELAXATION): New constant.
9897         (DEBUG_ALL): Add DEBUG_RELAXATION.
9898         (debug_string_to_enum): Add relaxation debug option.
9899         * layout.cc
9900         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9901         Layout::Relaxation_debug_check::read_sections,
9902         Layout::Relaxation_debug_check::read_sections): New method definitions.
9903         (Layout::Layout): Initialize data members
9904         record_output_section_data_from_scrips_,
9905         script_output_section_data_list_ and relaxation_debug_check_.
9906         (Layout::save_segments, Layout::restore_segments,
9907         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9908         Layout::relaxation_loop_body): New method definitions.
9909         (Layout::finalize): Support relaxation.  Move section layout code to
9910         Layout::relaxation_loop_body.
9911         (Layout::set_asection_address_from_script): Move code for orphan
9912         section placement out.
9913         (Layout::place_orphan_sections_in_script): New method definition.
9914         * layout.h (Output_segment_headers, Output_file_header):
9915         New forward class declarations.
9916         (Layout::~Layout): Define.
9917         (Layout::new_output_section_data_from_script): New method definition.
9918         (Layout::place_orphan_sections_in_script): New method declaration.
9919         (Layout::Segment_states): New type declaration.
9920         (Layout::save_segments, Layout::restore_segments,
9921         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9922         Layout::relaxation_loop_body): New method declarations.
9923         (Layout::Output_section_data_list): New type declaration.
9924         (Layout::Relaxation_debug_check): New class definition.
9925         (Layout::record_output_section_data_from_script_,
9926         Layout::script_output_section_data_list_, Layout::segment_states_,
9927         Layout::relaxation_debug_check_): New data members.
9928         * output.cc: (Output_section_headers::do_size): New method definition.
9929         (Output_section_headers::Output_section_headers): Move size
9930         computation to Output_section_headers::do_size.
9931         (Output_segment_headers::do_size): New method definition.
9932         (Output_file_header::Output_file_header): Move size computation to
9933         Output_file_header::do_size and call it.
9934         (Output_file_header::do_size): New method definition.
9935         (Output_data_group::Output_data_group): Adjust call to
9936         Output_section_data.
9937         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9938         (Output_symtab_xindex::do_write): Add array bound check.
9939         (Output_section::Input_section::print_to_mapfile): Handle
9940         RELAXED_INPUT_SECTION_CODE.
9941         (Output_section::Output_section): Initialize data member checkpoint_.
9942         (Output_section::~Output_section): Delete checkpoint object pointed
9943         by checkpoint_.
9944         (Output_section::add_input_section): Always add an Input_section if
9945         relaxing.
9946         (Output_section::add_merge_input_section): Add assert.
9947         (Output_section::relax_input_section): New method definition.
9948         (Output_section::set_final_data_size): Set load address to zero for
9949         an unallocated section.
9950         (Output_section::do_address_and_file_offset_have_reset_values):
9951         New method definition.
9952         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9953         Handle relaxed input section.
9954         (Output_section::sort_attached_input_sections): Checkpoint input
9955         section list lazily.
9956         (Output_section::get_input_sections): Change type of input_sections to
9957         list of Simple_input_section pointers.  Checkpoint input section list
9958         lazily.  Also handle relaxed input sections.
9959         (Output_section::add_input_section_for_script): Take a reference to
9960         a Simple_input_section object instead of Relobj pointer and section
9961         index as parameter.  Handle relaxed input sections.
9962         (Output_section::save_states, Output_section::restore_states): New
9963         method definitions.
9964         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9965         (Output_data::is_data_size_fixed): New method definition.
9966         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9967         if it is fixed.
9968         (Output_data::address_and_file_offset_have_reset_values): New method
9969         definition.
9970         (Output_data::do_address_and_file_offset_have_reset_values): New method
9971         definition.
9972         (Output_data::set_data_size): Check that data size is not fixed.
9973         (Output_data::fix_data_size): New method definition.
9974         (Output_data::is_data_size_fixed_): New data member.
9975         (Output_section_headers::set_final_data_size): New method definition.
9976         (Output_section_headers::do_size): New method declaration.
9977         (Output_segment_headers::set_final_data_size): New method definition.
9978         (Output_segment_headers::do_size): New method declaration.
9979         (Output_file_header::set_final_data_size)::New method definition.
9980         (Output_file_header::do_size)::New method declaration.
9981         (Output_section_data::Output_section_data): Add new parameter
9982         is_data_size_fixed and use it to fix data size.
9983         (Output_data_const::Output_data_const): Adjust call to base class
9984         constructor and fix data size.
9985         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9986         base class constructor and fix data size.
9987         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9988         base class constructor and fix data size.
9989         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9990         class constructor and fix data size.
9991         (Output_data_group::set_final_data_size): New method definition.
9992         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9993         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9994         class constructor and fix data size.
9995         (Output_relaxed_input_section): New class definition.
9996         (Output_section::Simple_input_section): New class definition.
9997         (Output_section::get_input_sections): Adjust parameter list.
9998         (Output_section::add_input_section_for_script): Same.
9999         (Output_section::save_states, Output_section::restore_states,
10000         Output_section::do_address_and_file_offset_have_reset_values,
10001         (Output_section::Input_section::Input_section): Handle
10002         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10003         Output_relaxed_input_section.
10004         (Output_section::Input_section::is_input_section,
10005         Output_section::Input_section::set_output_section): Handle relaxed
10006         input section.
10007         (Output_section::Input_section::is_relaxed_input_section,
10008         Output_section::Input_section::output_section_data,
10009         Output_section::Input_section::relaxed_input_section): New method
10010         definitions.
10011         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10012         value.
10013         (Output_section::Input_section::u1_): Update comments.
10014         (Output_section::Input_section::u2_): Add new union member poris.
10015         (Output_section::Checkpoint_output_section): New classs definition.
10016         (Output_section::relax_input_section): New method declaration.
10017         (Output_section::checkpoint_): New data member.
10018         (Output_segment): Update comments.
10019         (Output_segment::Output_segment): Un-privatize copy constructor.
10020         (Output_segment::operator=): Un-privatize.
10021         * script-sections.cc (Output_section_element::Input_section_list):
10022         Change element type to Output_section::Simple_input_section.
10023         (Output_section_element_dot_assignment::set_section_addresses):
10024         Register output section data for relaxation clean up.
10025         (Output_data_exression::Output_data_expression): Adjust call to base
10026         constructor to fix data size.
10027         (Output_section_element_data::set_section_addresses): Register
10028         Output_data_expression object for relaxation clean up.
10029         (struct Input_section_info): Replace Relobj pointer and section index
10030         pair with Output_section::Simple_input_section and Convert struct to a
10031         class.
10032         (Input_section_sorter::operator()): Adjust access to
10033         Input_section_info data member to use accessors.
10034         (Output_section_element_input::set_section_addresses): Use layout
10035         parameter.  Adjust code to use Output_section::Simple_input_section
10036         and Input_secction_info classes.  Register filler for relaxation
10037         clean up.
10038         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10039         and section index pair with Output_section::Simple_input_section
10040         class.  Adjust code accordingly.
10041         (Phdrs_element::release_segment): New method definition.
10042         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10043         segment list.
10044         (Script_sections::release_segments): New method definition.
10045         * gold/script-sections.h (Script_sections::release_segments): New
10046         method declaration.
10047         * gold/target.h (Target::may_relax, Target::relax,
10048         Target::do_may_relax, Target::do_relax): New method definitions.
10049
10050 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10051
10052         * arm.cc (has_signed_unsigned_overflow): New function.
10053         (Arm_relocate_functions::abs8): New function.
10054         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10055         (Target_arm::Scan::global): Likewise.
10056         (Target_arm::relocate::relocate): Likewise.
10057         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10058         Likewise.
10059
10060 2009-09-16  Cary Coutant  <ccoutant@google.com>
10061
10062         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10063         * testsuite/Makefile.in: Regenerate.
10064
10065 2009-09-11  Nick Clifton  <nickc@redhat.com>
10066
10067         * po/gold.pot: Updated by the Translation project.
10068
10069 2009-09-08  Cary Coutant  <ccoutant@google.com>
10070
10071         * output.cc (Output_file::open): Add execute permission to empty file.
10072         * testsuite/Makefile.am (permission_test): New test.
10073         * testsuite/Makefile.in: Regenerate.
10074
10075 2009-09-02  Ian Lance Taylor  <iant@google.com>
10076
10077         * output.cc (Output_file::resize): Call map_no_anonymous rather
10078         than map.
10079
10080 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10081
10082         * gold.cc: Include "incremental.h".
10083         (queue_initial_tasks): Call Incremental_checker methods.
10084         * incremental.cc: Include "output.h".
10085         (Incremental_checker::can_incrementally_link_output_file): New
10086         method.
10087         * incremental.h (Incremental_checker): New class.
10088
10089         * output.cc (Output_file::open_for_modification): New method.
10090         (Output_file::map_anonymous): Changed return type to bool.  Record
10091         map in base_ field.
10092         (Output_file::map_no_anonymous): New method, broken out of map.
10093         (Output_file::map): Use map_no_anonymous and map_anonymous.
10094         * output.h (class Output_file): Update declarations.
10095
10096 2009-08-24  Cary Coutant  <ccoutant@google.com>
10097
10098         * options.h (Command_line::Pre_options): New class.
10099         (Command_line::pre_options): New member.
10100         * options.cc (gold::options::ready_to_register): New variable.
10101         (One_option::register_option): Do nothing if not registering options.
10102         Assert if same short option registered twice.
10103         (General_options::General_options): Turn off option registration when
10104         done constructing.
10105         (Command_line::Pre_options::Pre_options): New constructor.
10106
10107 2009-08-24  Cary Coutant  <ccoutant@google.com>
10108
10109         * options.h (General_options::no_keep_memory): Remove incorrect
10110         short option.
10111
10112 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10113
10114         * Makefile.am (am__skiplex, am__skipyacc): New.
10115         * Makefile.in: Regenerate.
10116
10117 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10118
10119         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10120         (INCLUDES): ... this.
10121         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10122         (AM_CPPFLAGS): Renamed from ...
10123         (INCLUDE): ... this.
10124         * Makefile.in, testsuite/Makefile.in: Regenerate.
10125
10126         * Makefile.in: Regenerate.
10127         * aclocal.m4: Likewise.
10128         * config.in: Likewise.
10129         * configure: Likewise.
10130         * testsuite/Makefile.in: Likewise.
10131
10132         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10133         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10134         * Makefile.in: Regenerate.
10135         * testsuite/Makefile.in: Regenerate.
10136
10137 2009-08-19  Cary Coutant  <ccoutant@google.com>
10138
10139         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10140         symbols in shared libraries overridden by hidden or internal symbols
10141         in the main program.
10142
10143 2009-08-19  Chris Demetriou  <cgd@google.com>
10144
10145         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10146         checking source file names in error messages.
10147
10148 2009-08-18  Doug Kwan  <dougkwan@google.com>
10149
10150         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10151         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10152         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10153         an elfcpp::Ehdr as parameter.
10154         * object.cc (Object::set_target): Remove the version that looks up
10155         a target and sets it.
10156         (Sized_relobj::setup): Take a Target object instead of
10157         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10158         (make_elf_sized_object): Find target and ask target to
10159         make an ELF object.
10160         * object.h: (Object::set_target): Remove the version that looks up
10161         a target and sets it.
10162         (Sized_relobj::setup): Take a Target object instead of
10163         an elfcpp:Ehdr as parameter.
10164         * target.cc: Include dynobj.h.
10165         (Target::do_make_elf_object_implementation): New.
10166         (Target::do_make_elf_object): New.
10167         * target.h (Target::make_elf_object): New template declaration.
10168         (Target::do_make_elf_object): New method declarations.
10169         (Target::do_make_elf_object_implementation): New template declaration.
10170
10171 2009-08-14  Ian Lance Taylor  <iant@google.com>
10172
10173         * gold.h (FUNCTION_NAME): Define.
10174         (gold_unreachable): Use FUNCTION_NAME.
10175
10176 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10177
10178         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10179         symbol in the --keep-unique list is not found.
10180
10181 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10182
10183         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10184         been maked as --keep-unique.
10185         (Icf::unfold_section): New function.
10186         * icf.h (Icf::unfold_section): New function.
10187         * options.h (General_options::keep_unique): New option.
10188         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10189         * testsuite/Makefile.in: Regenerate.
10190         * testsuite/icf_keep_unique_test.sh: New file.
10191         * testsuite/icf_keep_unique_test.cc: New file.
10192
10193 2009-08-12  Cary Coutant  <ccoutant@google.com>
10194
10195         PR 10471
10196         * resolve.cc (Symbol_table::resolve): Check for references from
10197         dynamic objects to hidden and internal symbols.
10198         * testsuite/Makefile.am (hidden_test.sh): New test.
10199         * testsuite/Makefile.in: Regenerate.
10200         * testsuite/hidden_test.sh: New script.
10201         * testsuite/hidden_test_1.c: New test source.
10202         * testsuite/hidden_test_main.c: New test source.
10203
10204 2009-08-11  Doug Kwan  <dougkwan@google.com>
10205
10206         * arm.cc: Update comments.
10207         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10208         segment to locate the .ARM.exidx section if present.
10209
10210 2009-08-09  Doug Kwan  <dougkwan@google.com>
10211
10212         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10213         patch.
10214
10215 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10216         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10217         compiler warnings.
10218
10219 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10220
10221         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10222         valid tls_segment only for non-debug-section relocations.
10223         * testsuite/Makefile.am: Add gc_tls_test.
10224         * testsuite/Makefile.in: Regenerate.
10225         * testsuite/gc_tls_test.cc: New file.
10226         * testsuite/gc_tls_test.sh: New file.
10227
10228 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10229
10230         * icf.cc: New file.
10231         * icf.h: New file.
10232         * Makefile.am (CCFILES): Add icf.cc.
10233         (HFILES): Add icf.h
10234         * Makefile.in: Regenerate.
10235         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10236         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10237         section, symbol and addend information for the relocs.
10238         * gold.cc (queue_middle_tasks): Call identical code folding.
10239         * gold.h: Add defines for multimap.
10240         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10241         to the call of finalize_local_symbols.
10242         * main.cc (main): Create object of class Icf.
10243         * object.cc (Sized_relobj::do_layout): Allow this function to be
10244         called twice during icf.
10245         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10246         to sections marked as identical by icf.
10247         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10248         when available.
10249         (Sized_relobj::do_section_entsize): New function.
10250         * object.h (Object::section_entsize): New function.
10251         (Object::do_section_entsize): New pure virtual function.
10252         (Relobj::finalize_local_symbols): Add new parameter.
10253         (Relobj::do_section_entsize): New function.
10254         * options.h (General_options::icf): New option.
10255         (General_options::icf_iterations): New option.
10256         (General_options::print_icf_sections): New option.
10257         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10258         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10259         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10260         icf.
10261         * symtab.cc (Symbol_table::is_section_folded): New function.
10262         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10263         to sections marked as identical by icf.
10264         * symtab.h (Symbol_table::set_icf): New function.
10265         (Symbol_table::icf): New function.
10266         (Symbol_table::is_section_folded): New function.
10267         (Symbol_table::icf_): New data member.
10268         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10269         * testsuite/Makefile.am: Add commands to build icf_test.
10270         * testsuite/Makefile.in: Regenerate.
10271         * testsuite/icf_test.sh: New file.
10272         * testsuite/icf_test.cc: New file.
10273
10274 2009-07-24  Chris Demetriou  <cgd@google.com>
10275
10276         * layout.cc (is_compressible_debug_section): Fix incorrect
10277         comment about compressed section names.
10278
10279 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10280
10281         PR 10419
10282         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10283
10284 2009-07-16  Ian Lance Taylor  <iant@google.com>
10285
10286         PR 10400
10287         * layout.h: #include <map>.
10288         (class Kept_section): Change from struct to class.  Add accessors
10289         and setters.  Add section size to Comdat_group mapping.  Change
10290         Comdat_group to std::map.  Add is_comdat_ field.  Add
10291         linkonce_size field in union.
10292         (class Layout): Update declaration of find_or_add_kept_section.
10293         Don't declare find_kept_object.
10294         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10295         parameter.  Add object, shndx, is_comdat, and is_group_name
10296         parameters.  Change all callers.  Adjust for new Kept_section.
10297         (Layout::find_kept_object): Remove.
10298         * object.cc (Sized_relobj::include_section_group): Update use of
10299         Kept_section.  Rename secnum to shndx.  Only record
10300         Kept_comdat_section if sections are the same size.
10301         (Sized_relobj::include_linkonce_section): Update use of
10302         Kept_section.  Only record Kept_comdat_section if sections are the
10303         same size.  Set size of linkonce section.
10304         (Sized_relobj::map_to_kept_section): Update call to
10305         get_kept_comdat_section.
10306         * object.h (class Sized_relobj): Rename fields in
10307         Kept_comdat_section to drop trailing underscores; change object
10308         field to Relobj*.  Change Kept_comdat_section_table to store
10309         struct rather than pointer.
10310         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10311         Add kept_object and kept_shndx parameters.  Change all callers.
10312         (Sized_relobj::get_kept_comdat_section): Change return type to
10313         bool.  Add kept_object and kept_shndx parameters.  Change all
10314         callers.
10315         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10316         Layout::find_or_add_kept_section.
10317
10318 2009-07-09  Ian Lance Taylor  <iant@google.com>
10319
10320         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10321         Reserve space in the hash table.
10322
10323 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10324
10325         * fileread.cc (File_read::get_mtime): New method.
10326         * fileread.h (Timespec): New structure.
10327         (File_read::get_mtime): New method.
10328         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10329         Renamed from timestamp_nsec.
10330         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10331         Elf_Xword.
10332         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10333         timestamp_nsec.
10334         (Incremental_inputs::report_archive): Save mtime; style fix.
10335         (Incremental_inputs::report_obejct): Save mtime; style fix.
10336         (Incremental_inputs::report_script): Save mtime; style fix.
10337         (Incremental_inputs::finalize_inputs): Style fix.
10338         (Incremental_inputs::finalize): Style fix.
10339         (Incremental_inputs::create_input_section_data): Store inputs
10340         mtime.
10341         * incremental.h (Incremental_inputs::report_script): Add mtime
10342         argument.
10343         (Incremental_inputs::Input_info::Input_info): Intialize only one
10344         union member.
10345         (Incremental_inputs::Input_info::archive): Move to nameless
10346         union.
10347         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10348         (Incremental_inputs::Input_info::script): Move to nameless union.
10349         (Incremental_inputs::mtime): New field.
10350         * script.cc (read_input_script): Pass file mtime to
10351         Incremental_input.
10352         * script.h (Script_info::inputs): Style fix.
10353
10354 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10355
10356         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10357         instead of 32.
10358
10359 2009-06-24  Ian Lance Taylor  <iant@google.com>
10360
10361         PR 10156
10362         * layout.cc (Layout::choose_output_section): If we find an
10363         existing section, update the flags.
10364         (Layout::create_notes): New function, broken out of
10365         Layout::finalize.
10366         (Layout::finalize): Don't create note sections.
10367         (Layout::create_note): Don't crash if linker script discards
10368         section.
10369         (Layout::create_gold_note): Likewise.
10370         (Layout::create_build_id): Likewise.  Don't set
10371         after_input_sections on the section.
10372         (Layout::create_executable_stack_info): Remove target parameter.
10373         Change caller.
10374         * layout.h (class Layout): Declare create_notes.  Update
10375         declaration of create_executable_stack_info.
10376         * gold.cc (queue_middle_tasks): Call create_notes.
10377         * output.cc (Output_section::update_flags_for_input_section): Move
10378         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10379         invalid.
10380         * output.h (Output_data::mark_address_invalid): New function.
10381         (class Output_section): Only declare, not define,
10382         update_flags_for_input_section.  Remove set_flags.
10383
10384 2009-06-24  Ian Lance Taylor  <iant@google.com>
10385
10386         * script-sections.cc (Output_section_definition::
10387         set_section_addresses): Rename shadowing local load_address to
10388         laddr.
10389
10390 2009-06-24  Ian Lance Taylor  <iant@google.com>
10391
10392         PR 10244
10393         * reloc.cc (relocate_sections): Skip empty relocation sections.
10394
10395 2009-06-23  Ian Lance Taylor  <iant@google.com>
10396
10397         PR 10156
10398         * layout.cc (Layout::create_note): Use choose_output_section
10399         rather than make_output_section.
10400
10401 2009-06-23  Ian Lance Taylor  <iant@google.com>
10402
10403         PR 10237
10404         * options.cc (General_options::parse_V): Set printed_version_.
10405         (General_options::General_options): Initialize printed_version_.
10406         * options.h (class General_options): Add printed_version_ field.
10407         * gold.cc (queue_initial_tasks): If there are no input files,
10408         don't give a fatal error if we printed the version information.
10409         (queue_middle_tasks): If using -r with a shared object, give a
10410         fatal error rather than an ordinary error.
10411
10412 2009-06-23  Ian Lance Taylor  <iant@google.com>
10413
10414         PR 10219
10415         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10416         (Layout::make_output_section): Set have_stabstr_section_ if we see
10417         a .stab*str section.
10418         (Layout::finalize): Call link_stabs_sections.
10419         (Layout::link_stabs_sections): New file.
10420         * layout.h (class Layout): Add have_stabstr_section_ field.
10421         Declare link_stabs_sections.
10422
10423 2009-06-23  Doug Kwan  <dougkwan@google.com>
10424
10425         * Makefile.am (libgold_a_LIBADD): New.
10426         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10427         * Makefile.in: Regenerate.
10428         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10429         * configure: Regenerate.
10430         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10431         * fileread.cc: Include sys/state.h
10432         * gold.h: Declare memmem and strndup if found missing.
10433         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10434
10435 2009-06-23  Ian Lance Taylor  <iant@google.com>
10436
10437         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10438         * configure: Rebuild.
10439
10440 2009-06-23  Ian Lance Taylor  <iant@google.com>
10441
10442         PR 10147
10443         * object.cc (Object::section_contents): Don't try to get a view if
10444         the section has length zero.
10445         (Object::handle_gnu_warning_section): If the section is empty, use
10446         the name of the section as the warning.
10447
10448 2009-06-23  Ian Lance Taylor  <iant@google.com>
10449
10450         PR 10133
10451         * stringpool.h (class Stringpool_template): Add optimize_ field.
10452         (Stringpool_template::set_optimize): New function.
10453         * stringpool.cc (Stringpool_template::Stringpool_template):
10454         Initialize optimize_ field.
10455         (Stringpool_template::set_string_offsets): Test local optimize
10456         fild rather than parameter.
10457         * layout.cc (Layout::Layout): Call set_optimize on the section
10458         name stringpool.
10459
10460 2009-06-22  Ian Lance Taylor  <iant@google.com>
10461
10462         PR 10030
10463         * yyscript.y: Parse TARGET.
10464         * script.cc (script_set_target): New function.
10465         * script-c.h (script_set_target): Declare.
10466         * options.cc (General_options::string_to_object_format): Rename
10467         from string_to_object_format in anonymous namespace.  Change
10468         callers.
10469         * options.h (class General_options): Declare
10470         string_to_object_format.
10471
10472 2009-06-22  Ian Lance Taylor  <iant@google.com>
10473
10474         * script-sections.cc (Script_sections::create_segments): Don't put
10475         program headers in a PT_LOAD segment if -n or -N.
10476
10477 2009-06-22  Ian Lance Taylor  <iant@google.com>
10478
10479         PR 10141
10480         * options.h (class General_options): Add -z lazy and -z now.  Sort
10481         -z options into alphabetical order.
10482         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10483
10484 2009-06-21  Ian Lance Taylor  <iant@google.com>
10485
10486         * layout.cc (Layout::make_output_section): Call
10487         Target::new_output_section.
10488         (Layout::attach_allocated_section_to_segment): Put large section
10489         sections in a separate load segment with the large segment flag
10490         set.
10491         (Layout::segment_precedes): Sort large data segments after other
10492         load segments.
10493         (align_file_offset): New static function.
10494         (Layout::set_segment_offsets): Use align_file_offset.
10495         * output.h (class Output_section): Add is_small_section_ and
10496         is_large_section_ fields.
10497         (Output_section::is_small_section): New function.
10498         (Output_section::set_is_small_section):  New function.
10499         (Output_section::is_large_section): New function.
10500         (Output_section::set_is_large_section): New function.
10501         (Output_section::is_large_data_section): New function.
10502         (class Output_segment): Add is_large_data_segment_ field.
10503         (Output_segment::is_large_data_segment): New function.
10504         (Output_segment::set_is_large_data_segment): New function.
10505         * output.cc (Output_section::Output_section): Initialize new
10506         fields.
10507         (Output_segment::Output_segment): Likewise.
10508         (Output_segment::add_output_section): Add assertion that large
10509         data sections always go in large data segments.  Force small data
10510         sections to the end of the list of data sections.  Force small BSS
10511         sections to the start of the list of BSS sections.  For large BSS
10512         sections to the end of the list of BSS sections.
10513         * symtab.h (class Symbol): Declare is_common_shndx.
10514         (Symbol::is_defined): Check Symbol::is_common_shndx.
10515         (Symbol::is_common): Likewise.
10516         (class Symbol_table): Define enum Commons_section_type.  Update
10517         declarations.  Add small_commons_ and large_commons_ fields.
10518         * symtab.cc (Symbol::is_common_shndx): New function.
10519         (Symbol_table::Symbol_table): Initialize new fields.
10520         (Symbol_table::add_from_object): Put small and large common
10521         symbols in the right list.
10522         (Symbol_table::sized_finalized_symbol): Check
10523         Symbol::is_common_shndx.
10524         (Symbol_table::sized_write_globals): Likewise.
10525         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10526         common symbol lists.  Don't call do_allocate_commons_list if the
10527         list is empty.
10528         (Symbol_table::do_allocate_commons_list): Remove is_tls
10529         parameter.  Add comons_section_type parameter.  Change all
10530         callers.  Handle small and large common symbols.
10531         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10532         Symbol::is_common_shndx.
10533         * resolve.cc (symbol_to_bits): Likewise.
10534         * target.h (Target::small_common_shndx): New function.
10535         (Target::small_common_section_flags): New function.
10536         (Target::large_common_shndx): New function.
10537         (Target::large_common_section_flags): New function.
10538         (Target::new_output_section): New function.
10539         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10540         small_common_section_flags, and large_common_section_flags
10541         fields.
10542         (Target::do_new_output_section): New virtual function.
10543         * arm.cc (Target_arm::arm_info): Initialize new fields.
10544         * i386.cc (Target_i386::i386_info): Likewise.
10545         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10546         Likewise.
10547         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10548         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10549         (Target_x86_64::do_new_output_section): New function.
10550         * configure.ac: Define conditional MCMODEL_MEDIUM.
10551         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10552         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10553         (large_LDFLAGS): Define.
10554         * testsuite/large.c: New file.
10555         * testsuite/testfile.cc (Target_test::test_target_info):
10556         Initialize new fields.
10557         * configure, testsuite/Makefile.in: Rebuild.
10558
10559 2009-06-05  Doug Kwan  <dougkwan@google.com>
10560
10561         * Makefile.am (CCFILES): Add target.cc.
10562         * Makefile.in: Regenerate.
10563         * i386.cc (class Target_i386): Define new virtual method to
10564         override do_is_local_label_name in parent.
10565         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10566         local symbols if --discard-locals or -X is given.
10567         * options.h (class General_options): Declare new options
10568         '--discard-locals' and '-X' for discarding locals.
10569         * target.h (class Target): Define new methods is_local_label_name.
10570         Declare new virtual method do_is_local_label_name.
10571         * target.cc: New file.
10572         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10573         (check_SCRIPTS): Add discard_locals_test.sh.
10574         (check_DATA): Add discard_local_tests.syms.
10575         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10576         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10577         * testsuite/Makefile.in: Regenerate.
10578         * testsuite/discard_locals_test.c: New file.
10579         * testsuite/discard_locals_test.sh: Same.
10580
10581 2009-06-05  Doug Kwan  <dougkwan@google.com>
10582
10583         * object.cc (Sized_relobj::Sized_relobj): Initialize
10584         discarded_eh_frame_shndx_ to -1U.
10585         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10586         section.
10587         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10588         a discarded .eh_frame section.
10589         (Sized_relobj::do_finalize_local_symbols): Ditto.
10590         * object.h (class Sized_relobj): Declare new member
10591         discarded_eh_frame_shndx_.
10592         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10593         (local_labels_test.o, local_labels_test): New rules.
10594         * testsuite/Makefile.in: Regenerate.
10595
10596 2009-06-04  Doug Kwan  <dougkwan@google.com>
10597
10598         * layout.cc (Layout::section_name_mapping): Add mapping for
10599         special ARM sections.
10600
10601 2009-06-03  Doug Kwan  <dougkwan@google.com>
10602
10603         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10604         (utils::has_overflow): Same.
10605
10606 2009-06-03  Ian Lance Taylor  <iant@google.com>
10607
10608         * layout.cc (Layout::section_name_mapping): New array, replacing
10609         Layout::linkonce_mapping.
10610         (Layout::section_name_mapping_count): New variable, replacing
10611         Layout::linkonce_mapping_count.
10612         (Layout::linkonce_output_name): Remove.
10613         (Layout::output_section_name): Rewrite.
10614         * layout.h (class Layout): Rename Linkonce_mapping to
10615         Section_name_mapping, linkonce_mapping to section_name_mapping,
10616         linkonce_mapping_count to section_name_mapping_count.  Don't
10617         declare linkonce_output_name.
10618
10619 2009-06-03  Doug Kwan  <dougkwan@google.com>
10620
10621         * gold/arm.cc (namespace utils): New.
10622         (Target_arm::reloc_is_non_pic): Define new method.
10623         (class Arm_relocate_functions): New.
10624         (Target_arm::Relocate::relocate): Handle relocation types used by
10625         Android.
10626
10627 2009-06-03  Ian Lance Taylor  <iant@google.com>
10628
10629         * arm.cc (Target_arm::scan::global): Use || instead of |.
10630
10631 2009-06-02  Doug Kwan  <dougkwan@google.com>
10632
10633         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10634         issued_non_pic_error_.
10635         (class Target_arm::Scan): Declare new method check_non_pic.
10636         Define new method symbol_needs_plt_entry.
10637         Declare new data member issued_non_pic_error_.
10638         (class Target_arm::Relocate): Declare new method
10639         should_apply_static_reloc.
10640         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10641         (Target_arm::Scan::check_non_pic): Define new method.
10642         (Target_arm::Scan::local): Handle a small subset of reloc types used
10643         by Android.
10644         (Target_arm::Scan::local): Same.
10645         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10646
10647 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10648
10649         * incremental.cc (Incremental_inputs::report_command_line): Filter
10650         out --incremental-* options.
10651
10652 2009-05-29  Doug Kwan  <dougkwan@google.com>
10653
10654         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10655         template class.
10656         (class Target_arm): Update comment.
10657         (Target_arm::Target_arm): Initialize new data members GOT_,
10658         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10659         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10660         and Target_arm::rel_dyn_section.
10661         Declare new_enum Target_arm::Got_type.
10662         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10663         and DYNBSS_.
10664         Update commments for member do_dynsym_value.
10665         (Target_arm::got_size, Target_arm::plt_section,
10666         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10667         new methods inside class defintion.
10668         (Target_arm::got_section): Define new method.
10669         (Target_arm::rel_dyn_section): Same.
10670         (Output_data_plt_arm): New template class.
10671         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10672         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10673         (Output_data_plt_arm::add_entry): Same.
10674         (Output_data_plt_arm::first_plt_entry): Define new
10675         static data member for PLT instruction template.
10676         (Output_data_plt_arm::plt_entry): Same.
10677         (Output_data_plt_arm::do_write): Define new method.
10678         (Target_arm::make_plt_entry): Same.
10679         (Target_arm::do_finalize_sections): Same.
10680         (Target_arm::do_dynsym_value): Same.
10681
10682 2009-05-28  Doug Kwan  <dougkwan@google.com>
10683
10684         * Makefile.am (TARGETSOURCES): Add arm.cc.
10685         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10686         * Makefile.in: Regenerate.
10687         * arm.cc: New file.
10688         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10689
10690 2009-05-26  Doug Kwan  <dougkwan@google.com>
10691
10692         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10693         (General_options::check_excluded_libs): Strip off directories in
10694         archive name before matching like GNU ld does.
10695         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10696         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10697         (exclude_libs_test_LDFLAGS): Add linker option
10698         -Wl,--exclude-libs,libexclude_libs_test_3
10699         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10700         an explicit archive without using -l.
10701         (alt/libexclude_libs_test_3.a): New make rule.
10702         * testsuite/Makefile.in: Regenerate.
10703         * testsuite/exclude_libs_test.c : Declare lib3_default().
10704         (main): Call it.
10705         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10706         * exclude_libs_test_3.c: New file.
10707
10708 2009-05-26  Nick Clifton  <nickc@redhat.com>
10709
10710         * po/id.po: New Indonesian translation.
10711         * po/gold.pot: Updated template file.
10712
10713 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10714
10715         * testsuite/Makefile.am: Add -ffunction-sections to compile
10716         gc_comdat_test files.  Add -Wl,--gc-sections to build
10717         gc_comdat_test.
10718         * testsuite/Makefile.in: Regenerate.
10719         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10720
10721 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10722
10723         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10724         kept comdat section was garbage collected.
10725         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10726         * testsuite/Makefile.in: Regenerate.
10727         * testsuite/gc_comdat_test.sh: New file.
10728         * testsuite/gc_comdat_test_1.cc: New file.
10729         * testsuite/gc_comdat_test_2.cc: New file.
10730
10731 2009-05-19  Doug Kwan  <dougkwan@google.com>
10732
10733         * archive.cc (Archive::Archive): Move constructor from archive.h
10734         to here.  Initialize no_export_.
10735         (Archive::get_elf_object_for_member): Set no_export flag of object.
10736         * archive.h (Archive::Archive): Move constructor body to
10737         archive.cc.
10738         (Archive::no_export): New method.
10739         (Archive::no_export_): New field.
10740         * object.h (Object::Object): Initialize no_export_ to false.
10741         (Object::no_export, Object::set_no_export): New methods.
10742         (Object::no_export_): New field.
10743         * options.cc (General_options::parse_exclude_libs): New method.
10744         (General_options::check_excluded_libs) Same.
10745         * options.h (exclude_libs): New option.
10746         (General_options::check_excluded_libs): New method declaration.
10747         (General_options::excluded_libs_): New field.
10748         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10749         default or protected visibility if an object has no-export flag set.
10750         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10751         (check_SCRIPTS): Add exclude_libs_test.sh.
10752         (check_DATA): Add exclude_libs_test.syms.
10753         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10754         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10755         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10756         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10757         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10758         libexclude_libs_test_2.a): New rules.
10759         * testsuite/Makefile.in: Regenerate.
10760         * testsuite/exclude_libs_test.c: New file.
10761         * testsuite/exclude_libs_test.sh: Ditto.
10762         * testsuite/exclude_libs_test_1.c: Ditto.
10763         * testsuite/exclude_libs_test_2.c: Ditto.
10764
10765 2009-05-15  Ian Lance Taylor  <iant@google.com>
10766
10767         * configure.ac: Check for declarations for cases where libiberty.h
10768         checks HAVE_DECL_xxx.
10769         * configure, config.in: Rebuild.
10770
10771 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10772
10773         * gold.h (Incremental_argument_list): Remove (invalid) forward
10774         declaration.
10775         * incremental.cc (Incremental_inputs::report_achive): New method.
10776         (Incremental_inputs::report_object): New method.
10777         (Incremental_inputs::report_script): New method.
10778         (Incremental_inputs::finalize_inputs): New method.
10779         (Incremental_inputs::finalize): Call finalize_inputs().
10780         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10781         Create inputs entries.
10782         * incremental.h (Incremental_input_type): New enum.
10783         (Incremental_inputs::Incremental_input): Initialize new fields.
10784         (Incremental_inputs::report_inputs): New method.
10785         (Incremental_inputs::report_achive): New method.
10786         (Incremental_inputs::report_object): New method.
10787         (Incremental_inputs::report_script): New method.
10788         (Incremental_inputs::finalize_inputs): New method.
10789         (Incremental_inputs::Input_info): New struct.
10790         (Incremental_inputs::Input_info_map): New typedef.
10791         (Incremental_inputs::lock_): New field.
10792         (Incremental_inputs::Inputs_): New field.
10793         (Incremental_inputs::Inputs_map): New field.
10794         * main.cc (main): Call Incremental_input::report_inputs.
10795         * options.h (Input_argument_list): Typedef moved from
10796         Input_arguments.
10797         (Input_file_group::Files): Remove, use ::Input_argument_list.
10798         (Input_file_group::Input_argument_list): Remove, use
10799         ::Input_argument_list.
10800         * plugin.cc (Plugin_manager::add_input_file): Add error in
10801         incremental build.
10802         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10803         functions.
10804         * script.cc (read_input_script): Call
10805         Incremental_input::report_script.
10806         * script.h (Script_info): New class.
10807
10808 2009-04-27  Ian Lance Taylor  <iant@google.com>
10809
10810         * x86_64.cc (do_adjust_output_section): Set entsize to
10811         plt_entry_size.
10812
10813 2009-04-23  Elliott Hughes  <enh@google.com>
10814
10815         * output.cc (Output_file::close): After short writes, continue
10816         writing from the correct offset in the buffer being written.
10817
10818 2009-04-23  Chris Demetriou  <cgd@google.com>
10819
10820         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10821         * configure: Regenerate.
10822         * config.in: Regenerate.
10823         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10824         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10825
10826 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10827
10828         * incremental.cc (Incremental_inputs_header_data): Renamed from
10829         Incremental_input_header_data.
10830         (Incremental_inputs_header_data::data_size): New field.
10831         (Incremental_inputs_header_data::put_input_file_count): Renamed
10832         from input_file_count.
10833         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10834         from command_line_offset.
10835         (Incremental_inputs_header_data::put_reserved): Renamed from
10836         put_reserved.
10837         (Incremental_inputs_entry_data): Renamed from
10838         Incremental_input_entry_data.
10839         (Incremental_inputs_entry_data::data_size): New field.
10840         (Incremental_inputs::report_command_line): New method.
10841         (Incremental_inputs::finalize): New method.
10842         (Incremental_inputs::create_incremental_inputs_data): New method.
10843         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10844         * incremental.h: New file.
10845         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10846         (Layout::finalize): Create incremental inputs section in
10847         incremental builds.
10848         (Layout::create_incremental_info_sections): New method.
10849         * layout.h (Layout::incremental_inputs): New method.
10850         (Layout::create_incremental_info_sections): New method.
10851         (Layout::incremental_inputs_): New field.
10852         * main.cc (main): Notify Incremental_input of the command line.
10853
10854 2009-04-01  Ian Lance Taylor  <iant@google.com>
10855             Mikolaj Zalewski  <mikolajz@google.com>
10856
10857         * gold.h (reserve_unordered_map): Define, three versions, one for
10858         each version of Unordered_map.
10859         * layout.cc (Layout::Layout): Remove options parameter.  Add
10860         number_of_input_files parameter.  Don't initialize options_.
10861         Initialize number_of_input_files_ and resized_signatures_.  Move
10862         sections_are_attached_.
10863         (Layout::layout_group): Reserve space for group_signatures_.
10864         (Layout::find_or_add_kept_section): Change name parameter to be a
10865         reference.  Resize signatures_ map when it gets large enough.
10866         (Layout::layout_eh_frame): Use parameters->options() instead of
10867         this->options_.
10868         (Layout::make_output_section): Likewise.
10869         (Layout::attach_allocated_section_to_segment): Likewise.
10870         (Layout::finalize, Layout::create_executable_stack): Likewise.
10871         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10872         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10873         * layout.h (class Layout): Update declarations.  Remove options_
10874         field.  Add number_of_input_files_ and resized_signatures_
10875         fields.  Move sections_are_attached_ field.
10876         * main.cc (main): Pass number of input files to Layout
10877         constructor.  Don't pass options.
10878
10879 2009-03-30  Ian Lance Taylor  <iant@google.com>
10880
10881         * ffsll.c (ffsll): Correct implementation.
10882
10883 2009-03-27  Ian Lance Taylor  <iant@google.com>
10884
10885         * ffsll.c: New file.
10886         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10887         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10888         * ftruncate.c (ftruncate): Declare before definition.
10889         * mremap.c (mremap): Likewise.
10890         * pread.c (pread): Likewise.
10891         * configure, Makefile.in, config.in: Rebuild.
10892
10893         * mremap.c: New file.
10894         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10895         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10896         (mremap): Declare if HAVE_MREMAP is not defined.
10897         * configure, Makefile.in, config.in: Rebuild.
10898
10899 2009-03-27  Cary Coutant  <ccoutant@google.com>
10900
10901         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10902         position independent.
10903         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10904         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10905
10906 2009-03-24  Cary Coutant  <ccoutant@google.com>
10907
10908         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10909         an executable.
10910         (needs_dynamic_reloc): Likewise.
10911
10912 2009-03-24  Ian Lance Taylor  <iant@google.com>
10913
10914         * yyscript.y (file_cmd): Recognize EXTERN.
10915         (extern_name_list, extern_name_list_body): New nonterminals.
10916         * script.cc (script_add_extern): Define.
10917         * script-c.h (script_add_extern): Declare.
10918
10919 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10920
10921         * object.cc (is_elf_object): Define.
10922         * object.h (is_elf_object): Declare.
10923         * archive.cc (Archive::get_elf_object_for_member): Call
10924         is_elf_object.
10925         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10926
10927 2009-03-24  Elliott Hughes  <enh@google.com>
10928
10929         * output.cc (Output_file::map_anonymous): Define.
10930         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10931         try an anonymous one.  Report the size if the mmap fails.
10932         * output.h (class Output_file): Declare map_anonymous.
10933
10934 2009-03-24  Ian Lance Taylor  <iant@google.com>
10935
10936         * target-select.cc (instantiate_target): Don't acquire the lock if
10937         the instantiated_target_ field has already been set.
10938
10939 2009-03-23  Ian Lance Taylor  <iant@google.com>
10940
10941         * gold-threads.h (class Initialize_lock): Define.
10942         * gold-threads.cc (class Initialize_lock_once): Define.
10943         (initialize_lock_control): New static variable.
10944         (initialize_lock_pointer): New static variable.
10945         (initialize_lock_once): New static function.
10946         (Initialize_lock::Initialize_lock): Define.
10947         (Initialize_lock::initialize): Define.
10948         * target-select.h: Include "gold-threads.h".
10949         (class Target_selector): Add lock_ and initialize_lock_ fields.
10950         Don't define instantiate_target, just declare it.
10951         * target-select.cc (Target_selector::Target_selector): Initialize
10952         new fields.
10953         (Target_selector::instantiate_target): Define.
10954         * descriptors.h: Include "gold-threads.h".
10955         (class Descriptors): Add initialize_lock_ field.
10956         * descriptors.cc (Descriptors::Descriptors): Initialize new
10957         field.
10958         (Descriptors::open): Use initialize_lock_ field
10959         * errors.h (class Errors): Add initialize_lock_ field.
10960         * errors.cc (Errors::Errors): Initialize new field.
10961         (Errors::initialize_lock): Use initialize_lock_ field.
10962         * powerpc.cc (class Target_selector_powerpc): Remove
10963         instantiated_target_ field.  In do_recognize call
10964         instantiate_target rather than do_instantiate_target.  In
10965         do_instantiate_target just allocate a new target.
10966         * sparc.cc (class Target_selector_sparc): Likewise.
10967
10968         * freebsd.h: New file.
10969         * i386.cc: Include "freebsd.h".
10970         (Target_i386): Derive from Target_freebsd rather than
10971         Sized_target.
10972         (Target_selector_i386): Derive from Target_selector_freebsd rather
10973         than Target_selector.
10974         * x86_64.cc: Include "freebsd.h".
10975         (Target_x86_64): Derive from Target_freebsd rather than
10976         Sized_target.
10977         (Target_selector_x86_64): Derive from Target_selector_freebsd
10978         rather than Target_selector.
10979         * target.h (class Target): Add adjust_elf_header and
10980         do_adjust_elf_header.
10981         * output.cc (Output_file_header:: do_sized_write): Call target
10982         adjust_elf_header routine.
10983         * configure.tgt: Set targ_osabi.
10984         * configure.ac: Define GOLD_DEFAULT_OSABI.
10985         * parameters.cc (Parameters::default_target): Pass
10986         GOLD_DEFAULT_OSABI to select_target.
10987         * target-select.h (class Target_selector): Make instantiate_target
10988         protected rather than private.
10989         * Makefile.am (HFILES): Add freebsd.h.
10990         * configure, Makefile.in, config.in: Rebuild.
10991
10992         * merge.cc (do_add_input_section): Correct pend value.  Change
10993         message about last entry not being null terminated from error to
10994         warning.
10995
10996 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10997
10998         * incremental.cc: New file.
10999         * Makefile.am (CCFILES): Add incremental.cc.
11000         * Makefile.in: Rebuild.
11001
11002 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11003
11004         * layout.cc (Layout::output_section_name): Preserve names
11005         of '.note.' sections.
11006
11007 2009-03-19  Ian Lance Taylor  <iant@google.com>
11008
11009         * descriptors.cc (Descriptors::open): Check that the options are
11010         valid before using them.
11011
11012 2009-03-18  Ian Lance Taylor  <iant@google.com>
11013
11014         * script-sections.h: Include <list>.
11015         (class Script_sections): Change Sections_elements from std::vector
11016         to std::list.  Typedef public Elements_iterator.  Add
11017         orphan_section_placement_, data_segment_align_start_, and
11018         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11019         field.
11020         * script-sections.cc (class Orphan_section_placement): New class.
11021         (class Sections_element): Add virtual functions is_relro and
11022         orphan_section_init.  Remove virtual function place_orphan_here.
11023         (class Output_section_definition): Add is_relro and
11024         orphan_section_init.  Remove place_orphan_here.
11025         (class Orphan_output_section): Likewise.
11026         (Script_sections::Script_sections): Update for field changes.
11027         (Script_sections::data_segment_align): Set saw_data_segment_align_
11028         and data_segment_align_start_, not data_segment_align_index.
11029         (Script_sections::data_segment_relro_end): Check
11030         saw_data_segment_align_.  Use data_segment_align_start_ rather
11031         than data_segment_align_index_.
11032         (Script_sections::place_orphan): Rewrite to use
11033         Orphan_section_placement.
11034
11035 2009-03-17  Ian Lance Taylor  <iant@google.com>
11036
11037         * archive.cc (Archive::add_symbols): Check for a version attached
11038         to the symbol name in the archive map.
11039         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11040         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11041         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11042         (ver_test_11.a): New target.
11043         * testsuite/Makefile.in: Rebuild.
11044
11045         * configure.ac: Check for chsize and posix_fallocate.  Replace
11046         ftruncate.
11047         * ftruncate.c: New file, from gnulib.
11048         * output.cc (posix_fallocate): Define dummy version if not
11049         HAVE_POSIX_FALLOCATE.
11050         (Output_file::map): Call posix_fallocate rather than lseek and
11051         write.
11052         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11053         * configure, Makefile.in, config.in: Rebuild.
11054
11055 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11056
11057         * layout.h (Layout::create_note): Add section_name parameter.
11058         * layout.cc (Layout::create_note): Likewise.
11059         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11060
11061 2009-03-17  Ian Lance Taylor  <iant@google.com>
11062
11063         * descriptors.cc: Include "options.h".
11064         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11065         (Descriptors::open): Always use O_CLOEXEC when opening a new
11066         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11067         then set FD_CLOEXEC.
11068
11069         * sparc.cc (class Target_sparc): Add has_got_section.
11070         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11071         make sure we have a GOT section.
11072
11073         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11074         (Target_sparc::Scan::local): Likewise.
11075         (Target_sparc::Scan::global): Likewise.
11076         (Target_sparc::Relocate::relocate): Likewise.
11077         (Target_sparc::Relocate::relocate_tls): Likewise.
11078
11079         * symtab.cc (Symbol_table::define_default_version): New function,
11080         broken out of add_from_object.
11081         (Symbol_table::add_from_object): Call define_default_version.
11082         (Symbol_table::define_special_symbol): Add resolve_oldsym
11083         parameter.  Change all callers.  If the version for a symbol comes
11084         from a version script, resolve it with the symbol with the same
11085         name with no version.  Also add the symbol without a version if
11086         appropriate.
11087         (do_define_in_output_data): If resolving with oldsym, don't delete
11088         sym.
11089         (do_define_in_output_segment): Likewise.
11090         (do_define_as_constant): Likewise.
11091         * symtab.h (class Symbol_table): Update declarations.
11092
11093 2009-03-13  Ian Lance Taylor  <iant@google.com>
11094
11095         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11096         (Read_symbols::requeue): New function.
11097         (Read_symbols::do_read_symbols): If make_elf_object fails because
11098         the target type is not configured, and the file was searched for,
11099         issue a warning and retry with the next directory.
11100         (Add_symbols::run): If the file has an incompatible format, and
11101         it was searched for, requeue the Read_symbols task.  On error,
11102         release the object.
11103         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11104         dirindex parameter to constructor.  Change all callers.  Declare
11105         incompatible_warning and requeue.
11106         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11107         input_argument_ and input_group_ fields.  Add them to
11108         constructor.  Change all callers.
11109         (class Read_script): Add dirindex_ field.  Add it to constructor.
11110         Change all callers.
11111         * archive.cc (Archive::setup): Remove input_objects parameter.
11112         Change all callers.
11113         (Archive::get_file_and_offset): Likewise.
11114         (Archive::read_all_symbols): Likewise.
11115         (Archive::read_symbols): Likewise.
11116         (Archive::get_elf_object_for_member): Remove input_objects
11117         parameter.  Add punconfigured parameter.  Change all callers.
11118         (Archive::add_symbols): Change return type to bool.  Check return
11119         value of include_member.
11120         (Archive::include_all_members): Likewise.
11121         (Archive::include_member): Change return type to bool.  Return
11122         false if first included object has incompatible target.  Set
11123         included_member_ field.
11124         (Add_archive_symbols::run): If add_symbols returns false, requeue
11125         Read_symbols task.
11126         * archive.h (class Archive): Add included_member_ field.
11127         Initialize it in constructor.  Add input_file and searched_for
11128         methods.  Update declarations.
11129         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11130         input_argument_ fields.  Add them to constructor.  Change all
11131         callers.
11132         * script.cc: Include "target-select.h".
11133         (class Parser_closure): Add skip_on_incompatible_target_ and
11134         found_incompatible_target_ fields.  Add
11135         skip_on_incompatible_target parameter to constructor.  Change all
11136         callers.  Add methods skip_on_incompatible_target,
11137         clear_skip_on_incompatible_target, found_incompatible_target, and
11138         set_found_incompatible_target.
11139         (read_input_script): Add dirindex parameter.  Change all callers.
11140         If parser finds an incompatible target, requeue Read_symbols
11141         task.
11142         (script_set_symbol): Clear skip_on_incompatible_target in
11143         closure.
11144         (script_add_assertion, script_parse_option): Likewise.
11145         (script_start_sections, script_add_phdr): Likewise.
11146         (script_check_output_format): New function.
11147         * script.h (read_input_script): Update declaration.
11148         * script-c.h (script_check_output_format): Declare.
11149         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11150         (ignore_cmd): Remove OUTPUT_FORMAT.
11151         * fileread.cc (Input_file::Input_file): Add explicit this.
11152         (Input_file::will_search_for): New function.
11153         (Input_file::open): Add pindex parameter.  Change all callers.
11154         * fileread.h (class Input_file): Add input_file_argument method.
11155         Declare will_search_for.  Update declarations.
11156         * object.cc (make_elf_object): Add punconfigured parameter.
11157         Change all callers.
11158         * object.h (class Object): Make input_file public.  Add
11159         searched_for method.
11160         (make_elf_object): Update declaration.
11161         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11162         restart search.
11163         * dirsearch.h (class Dirsearch): Update declaration.
11164         * options.h (class General_options): Add --warn-search-mismatch.
11165         * parameters.cc (Parameters::is_compatible_target): New function.
11166         * parameters.h (class Parameters): Declare is_compatible_target.
11167         * workqueue.cc (Workqueue::add_blocker): New function.
11168         * workqueue.h (class Workqueue): Declare add_blocker.
11169
11170         * fileread.cc (Input_file::open): Remove options parameter.
11171         Change all callers.
11172         (Input_file::open_binary): Likewise.
11173         * script.cc (read_input_script): Likewise.
11174         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11175         options parameter from constructor.  Change all callers.
11176         (class Read_script): Likewise.
11177         * fileread.h (class Input_file): Update declarations.
11178         * script.h (read_input_script): Update declaration.
11179
11180 2009-03-10  Nick Clifton  <nickc@redhat.com>
11181
11182         * po/es.po: New Spanish translation.
11183
11184 2009-03-06  Cary Coutant  <ccoutant@google.com>
11185
11186         * options.cc (parse_short_option): Keep dash_z from registering itself.
11187
11188 2009-03-03  Ian Lance Taylor  <iant@google.com>
11189
11190         PR 9918
11191         * target-reloc.h (relocate_section): Pass output_section to
11192         relocate.
11193         * i386.cc (Target_i386::should_apply_static_reloc): Add
11194         output_section parameter.  Change all callers.
11195         (Target_i386::Relocate::relocate): Add output_section parameter.
11196         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11197         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11198         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11199         * testsuite/two_file_shared.sh: New script.
11200         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11201         (check_DATA): Add two_file_shared.dbg.
11202         (two_file_shared.dbg): New target.
11203         * testsuite/Makefile.in: Rebuild.
11204
11205 2009-03-01  Ian Lance Taylor  <iant@google.com>
11206
11207         * configure.ac: Check for byteswap.h.
11208         * configure: Rebuild.
11209         * config.in: Rebuild.
11210
11211 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11212
11213         * layout.cc (Layout::find_or_add_kept_section): New function.
11214         (Layout::add_comdat): Removed.
11215         * layout.h (struct Kept_section): Move out of class Layout.
11216         Remove trailing underscores from field names.  Add group_sections
11217         field.  Rename group_ field to is_group.  Change all uses.
11218         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11219         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11220         comdat_groups_ field.
11221         (Sized_relobj::include_section_group): Use
11222         find_or_add_kept_section and Kept_section::group_sections.
11223         (Sized_relobj::include_linkonce_section): Likewise.
11224         * object.cc (class Sized_relobj): Don't define Comdat_group or
11225         Comdat_group_table.  Remove find_comdat_group and
11226         add_comdat_group.  Remove comdat_groups_ field.
11227         * plugin.cc (include_comdat_group): Use
11228         Layout::find_or_add_kept_section.
11229
11230 2009-02-28  Ian Lance Taylor  <iant@google.com>
11231
11232         * README: --gc-sections and map files are now supported.  Document
11233         some build requirements.
11234
11235         PR 6992
11236         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11237         relocatable link set the value of the section symbol to zero.
11238         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11239         relocatable link don't include the section address in the local
11240         symbol value.
11241
11242 2009-02-27  Ian Lance Taylor  <iant@google.com>
11243
11244         PR 6811
11245         * options.h (class Search_directory): Add is_system_directory.
11246         (class General_options): Declare is_in_system_directory.
11247         * options.cc (get_relative_sysroot): Make static.
11248         (get_default_sysroot): Make static.
11249         (General_optoins::is_in_system_directory): New function.
11250         * fileread.cc (Input_file::is_in_system_directory): New function.
11251         * fileread.h (class Input_file): Declare is_in_system_directory.
11252         * object.h (class Object): Add is_in_system_directory.
11253         (class Input_objects): Remove system_library_directory_ field.
11254         * object.cc (Input_objects::add_object): Don't set
11255         system_library_directory_.
11256         (input_objects::found_in_system_library_directory): Remove.
11257         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11258         parameter.  Change all callers.
11259         (Symbol_table::sized_write_globals): Likewise.
11260         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11261         Call Object::is_in_system_directory.
11262         * symtab.h (class Symbol_table): Update declarations.
11263
11264         PR 5990
11265         * descriptors.h (Open_descriptor): Add is_on_stack field.
11266         * descriptors.cc (Descriptors::open): If the descriptor is on the
11267         top of the stack, remove it.  Initialize is_on_stack field.
11268         (Descriptors::release): Only add pod to stack if it is not on the
11269         stack already.
11270         (Descriptors::close_some_descriptor): Clear stack_next and
11271         is_on_stack fields.
11272
11273         PR 7091
11274         * output.cc (Output_section::find_starting_output_address): Rename
11275         from starting_output_address; add PADDR parameter; change return
11276         type.
11277         * output.h (class Output_section): Declare
11278         find_starting_output_address instead of starting_output_address.
11279         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11280         section symbol for which we can't find a merge section.
11281
11282         PR 9836
11283         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11284         hidden or internal, force the symbol to be local.
11285         * resolve.cc (Symbol::override_visibility): Define.
11286         (Symbol::override_base): Use override_visibility.
11287         (Symbol_table::resolve): Likewise.
11288         (Symbol::override_base_with_special): Likewise.
11289         (Symbol_table::override_with_special): If the visibility is hidden
11290         or internal, force the symbol to be local.
11291         * symtab.h (class Symbol): Add set_visibility and
11292         override_visibility.
11293         * testsuite/ver_test_1.sh: New file.
11294         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11295         (check_DATA): Add ver_test_1.syms.
11296         (ver_test_1.syms): New target.
11297         * testsuite/Makefile.in: Rebuild.
11298
11299 2009-02-25  Cary Coutant  <ccoutant@google.com>
11300
11301         * layout.cc (Layout::choose_output_section): Don't rename sections
11302         when using a linker script that has a SECTIONS clause.
11303         * Makefile.in: Regenerate.
11304
11305         * testsuite/Makefile.am (script_test_5.sh): New test case.
11306         * testsuite/Makefile.in: Regenerate.
11307         * testsuite/script_test_5.cc: New file.
11308         * testsuite/script_test_5.sh: New file.
11309         * testsuite/script_test_5.t: New file.
11310
11311 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11312
11313         * archive.cc (Archive::include_member): Update calls to add_symbols.
11314         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11315         the Layout argument.
11316         * dynobj.h (do_add_symbols): Add the Layout argument.
11317         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11318         Layout argument.
11319         * object.h (Object::add_symbols): Add the Layout argument.
11320         (Object::do_add_symbols): Add the Layout argument.
11321         (Sized_relobj::do_add_symbols): Add the Layout argument.
11322         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11323         Unify the two versions.
11324         (Add_plugin_symbols): Remove.
11325         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11326         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11327         (Add_plugin_symbols): Remove.
11328         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11329         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11330         (Add_symbols::run): Make it work with Pulginobj.
11331
11332 2009-02-06  Ian Lance Taylor  <iant@google.com>
11333
11334         * object.cc (Sized_relobj::do_layout): Make info message start
11335         with lower case letter.
11336
11337 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11338
11339         * binary.cc: Fix file comment.
11340
11341         * options.h (enum Incremental_disposition): Define.
11342         (class General_options): Add new options: --incremental,
11343         --incremental_changed, --incremental_unchanged,
11344         --incremental_unknown.  Add incremental_disposition_ and
11345         implicit_incremental_ fields.
11346         (General_options::incremental_disposition): New function.
11347         (class Position_dependent_options): Add incremental_disposition
11348         option.
11349         (Position_dependent_options::copy_from_options): Set incremental
11350         dispositions.
11351         * options.cc (General_options::parse_incremental_changed): New
11352         function.
11353         (General_options::parse_incremental_unchanged): New function.
11354         (General_options::parse_incremental_unknown): New function.
11355         (General_options::General_options): Initialize new fields
11356         incremental_disposition_ and implicit_incremental_.
11357         (General_options::finalize): Check for uasge of --incremental-*
11358         without --incremental.
11359
11360 2009-02-06  Chris Demetriou  <cgd@google.com>
11361
11362         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11363         pointer and to report location as the file name associated with
11364         the symbol.
11365         (gold_undefined_symbol_at_location): New function to replace the
11366         old gold_undefined_symbol functionality.
11367         * target-reloc.h (relocate_section): Update to use
11368         gold_undefined_symbol_at_location.
11369         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11370         Call gold_undefined_symbol function rather than gold_error.
11371         * errors.h (Errors::undefined_symbol): Take location as a
11372         string, rather than calculating it from a relocation.
11373         * errors.cc (Errors::fatal): Print "fatal error:" before the
11374         formatted message.
11375         (Errors::error, Errors::error_at_location): Print "error: "
11376         before the formatted message.
11377         (Errors::undefined_symbol): Take location as a string, rather
11378         than calculating it from a relocation.
11379         (gold_undefined_symbol_at_location): New function akin to
11380         old gold_undefined_symbol, calculates location from relocation.
11381         (gold_undefined_symbol): Change to take only a Symbol pointer
11382         and to report location as the file name associated with the symbol.
11383         * testsuite/debug_msg.sh: Update for changed error messages.
11384         * testsuite/undef_symbol.sh: Likewise.
11385
11386 2009-02-04  Duncan Sands  <baldrick@free.fr>
11387
11388         PR 9812
11389         * reduced_debug_output.h
11390         (Output_reduced_debug_abbrev_section::failed): Use format for
11391         gold_warning.
11392         (Output_reduced_debug_info_section::faild): Likewise.
11393
11394 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11395
11396         * script.cc (Lazy_demangler): New class.
11397         (Version_script_info::get_symbol_version_helper): Demangle a
11398         symbol only once.
11399
11400 2009-01-29  Cary Coutant  <ccoutant@google.com>
11401
11402         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11403         to __tls_get_addr.
11404         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11405
11406 2009-01-28  Ian Lance Taylor  <iant@google.com>
11407
11408         * version.cc (version_string): Bump to 1.9.
11409
11410         * gold.h: Include <cstring> and <stdint.h>.
11411         * version.cc: Include <cstdio>.
11412         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11413         warning.
11414         * reduced_debug_output.cc (insert_into_vector): Rename from
11415         Insert_into_vector; change all callers.  Use Swap_unaligned to
11416         avoid aliasing issue; remove union since it is unnecessary.
11417
11418 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11419
11420         * Makefile.am (CCFILES): Add gc.cc.
11421         (HFILES): Add gc.h.
11422         * Makefile.in: Regenerate.
11423         * gold.cc (Gc_runner): New class.
11424         (queue_initial_tasks): Call garbage collection related tasks
11425         when corresponding options are invoked.
11426         (queue_middle_gc_tasks): New function.
11427         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11428         processed early before laying out sections during garbage collection.
11429         * gold.h (queue_middle_gc_tasks): New function.
11430         (is_prefix_of): Move from "layout.cc".
11431         * i386.cc (Target_i386::gc_process_relocs): New function.
11432         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11433         * main.cc (main): Create object of class "Garbage_collection".
11434         * object.cc (Relobj::copy_symbols_data): New function.
11435         (Relobj::is_section_name_included): New function.
11436         (Sized_relobj::do_layout): Allow this function to be called twice
11437         during garbage collection and defer layout of section during the
11438         first call.
11439         * object.h (Relobj::get_symbols_data): New function.
11440         (Relobj::is_section_name_included): New function.
11441         (Relobj::copy_symbols_data): New function.
11442         (Relobj::set_symbols_data): New function.
11443         (Relobj::get_relocs_data): New function.
11444         (Relobj::set_relocs_data): New function.
11445         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11446         (Relobj::gc_process_relocs): New function.
11447         (Relobj::do_gc_process_relocs): New pure virtual function.
11448         (Relobj::sd_): New data member.
11449         (Sized_relobj::is_output_section_offset_invalid): New function.
11450         (Sized_relobj::do_gc_process_relocs): New function.
11451         * options.h (General_options::gc_sections): Modify to not be a no-op.
11452         (General_options::print_gc_sections): New option.
11453         * plugin.cc (Plugin_finish::run): Remove function call to
11454         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11455         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11456         * reloc.cc (Read_relocs::run): Add task to process relocs and
11457         determine unreferenced sections when doing garbage collection.
11458         (Gc_process_relocs): New class.
11459         (Sized_relobj::do_gc_process_relocs): New function.
11460         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11461         sections that are garbage collected.
11462         * reloc.h (Gc_process_relocs): New class.
11463         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11464         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11465         symbols whose corresponding sections are garbage collected.
11466         (Symbol_table::Symbol_table): Add new parameter for the garbage
11467         collection object.
11468         (Symbol_table::gc_mark_undef_symbols): New function.
11469         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11470         (Symbol_table::gc_mark_dyn_syms): New function.
11471         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11472         as garbage.
11473         (Symbol_table::add_from_object): Likewise.
11474         (Symbol_table::add_from_relobj): When building shared objects, do not
11475         treat externally visible symbols as garbage.
11476         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11477         table information for static and relocatable links.
11478         * symtab.h (Symbol_table::set_gc): New function.
11479         (Symbol_table::gc): New function.
11480         (Symbol_table::gc_mark_undef_symbols): New function.
11481         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11482         (Symbol_table::gc_mark_dyn_syms): New function.
11483         (Symbol_table::gc_): New data member.
11484         * target.h (Sized_target::gc_process_relocs): New pure virtual
11485         function.
11486         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11487         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11488
11489 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11490
11491         * options.h (General_options::gc_sections): Define as a no-op for now.
11492         (General_options::no_keep_memory): Ditto.
11493         (General_options::Bshareable): Define.
11494         * options.cc (General_options::finalize): Honor -Bshareable.
11495
11496 2009-01-20  Andreas Schwab  <schwab@suse.de>
11497
11498         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11499         read the value in the contents, since we don't use it.  Use the
11500         template endianness when writing.
11501         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11502
11503 2009-01-19  Andreas Schwab  <schwab@suse.de>
11504
11505         * configure.tgt (powerpc64-*): Fix targ_obj.
11506
11507 2009-01-15  Ian Lance Taylor  <iant@google.com>
11508
11509         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11510         local symbols when stripping all symbols.
11511
11512 2009-01-14  Cary Coutant  <ccoutant@google.com>
11513
11514         * output.cc (Output_reloc): Add explicit instantiations.
11515
11516 2009-01-14  Cary Coutant  <ccoutant@google.com>
11517
11518         * archive.cc (Archive::get_elf_object_for_member): Remove call
11519         to File_read::claim_for_plugin.
11520         * descriptors.cc (Descriptors::open): Remove reference to
11521         is_claimed.
11522         (Descriptors::claim_for_plugin): Remove.
11523         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11524         (Descriptors::is_claimed): Remove.
11525         (claim_descriptor_for_plugin): Remove.
11526         * fileread.cc (File_read::claim_for_plugin): Remove.
11527         * fileread.h (File_read::claim_for_plugin): Remove.
11528         (File_read::descriptor): Reopen descriptor if necessary.
11529         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11530         (Plugin_manager::all_symbols_read): Add task parameter. Change
11531         all callers.
11532         (Plugin_manager::get_input_file): New function.
11533         (Plugin_manager::release_input_file): New function.
11534         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11535         corresponding data member.
11536         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11537         and pass to base constructor. Change all callers.
11538         (get_input_file, release_input_file): New functions.
11539         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11540         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11541         (Plugin_manager::all_symbols_read): Add task parameter.
11542         (Plugin_manager::get_input_file): New function.
11543         (Plugin_manager::release_input_file): New function.
11544         (Plugin_manager::task_): New data member.
11545         (Pluginobj::Pluginobj): Add filesize parameter.
11546         (Pluginobj::filename): New function.
11547         (Pluginobj::descriptor): New function.
11548         (Pluginobj::filesize): New function.
11549         (Pluginobj::filesize_): New data member.
11550         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11551         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11552         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11553
11554         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11555         with archive libraries.
11556         * testsuite/Makefile.in: Regenerate.
11557         * testsuite/plugin_test.c (struct sym_info): New type.
11558         (get_input_file, release_input_file): New static variables.
11559         (onload): Capture new transfer vector entries.
11560         (claim_file_hook): Stop reading at end of file according to filesize.
11561         Factor out parsing of readelf output into separate function.
11562         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11563         APIs and get the source file name from the symbol table.  Convert
11564         source file name to corresponding object file name.  Print info
11565         message when adding new input files.
11566         (parse_readelf_line): New function.
11567         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11568         * testsuite/plugin_test_2.sh: Likewise.
11569         * testsuite/plugin_test_3.sh: Likewise.
11570         * testsuite/plugin_test_4.sh: New test case.
11571
11572 2009-01-07  Ian Lance Taylor  <iant@google.com>
11573
11574         * version.cc (version_string): Bump to 1.8.
11575
11576 2008-12-23  Cary Coutant  <ccoutant@google.com>
11577
11578         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11579         * plugin.cc (Plugin_manager::finish): Rename as
11580         layout_deferred_objects.  Move cleanup to separate function.
11581         (Plugin_manager::cleanup): New function.
11582         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11583         separately.
11584         * plugin.h (Plugin_manager::finish): Rename as
11585         layout_deferred_objects.
11586         (Plugin_manager::cleanup): New function.
11587         (Plugin_manager::cleanup_done): New field.
11588
11589 2008-12-23  Cary Coutant  <ccoutant@google.com>
11590
11591         * plugin.cc (is_visible_from_outside): New function.
11592         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11593         so we don't return "IR only" status for exported symbols or -r links.
11594
11595         * testsuite/Makefile.am (plugin_test_3): New test case.
11596         * testsuite/Makefile.in: Regenerate.
11597         * testsuite/plugin_test_3.sh: New file.
11598
11599 2008-12-22  Cary Coutant  <ccoutant@google.com>
11600
11601         * object.cc (Sized_relobj::layout_section): New function.
11602         (Sized_relobj::do_layout): Defer layout of input sections until after
11603         plugin has provided replacement files.
11604         (Sized_relobj::do_layout_deferred_sections): New function.
11605         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11606         (Relobj::layout_deferred_sections): New function.
11607         (Relobj::do_layout_deferred_sections): New function.
11608         (Sized_relobj::do_layout_deferred_sections): New function.
11609         (Sized_relobj::layout_section): New function.
11610         (Sized_relobj::Deferred_layout): New structure.
11611         (Sized_relobj::deferred_layout_): New field.
11612         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11613         Change all callers.  Layout deferred sections.
11614         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11615         references.
11616         (Plugin_hook::run): Move code from do_plugin_hook inline.
11617         (Plugin_hook::do_plugin_hook): Remove.
11618         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11619         (Plugin_manager::finish): Renamed, was cleanup.
11620         (Plugin_manager::should_defer_layout): New function.
11621         (Plugin_manager::add_deferred_layout_object): New function.
11622         (Plugin_manager::Deferred_layout_list): New type.
11623         (Plugin_manager::deferred_layout_objects_): New field.
11624         (Plugin_hook::do_plugin_hook): Remove.
11625
11626 2008-12-17  Ian Lance Taylor  <iant@google.com>
11627
11628         * options.h (class General_options): Add --no case for
11629         --export-dynamic.
11630
11631 2008-12-16  Cary Coutant  <ccoutant@google.com>
11632
11633         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11634         vector.
11635         (Plugin_manager::claim_file): Create plugin object even if
11636         plugin did not call the add_symbols callback.
11637         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11638         asking for more symbols than were added.
11639         * testsuite/Makefile.am (plugin_test_1): Add test case with
11640         no global symbols.
11641         (empty.syms): New target.
11642         * testsuite/Makefile.in: Regenerate.
11643         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11644         message. Don't call add_symbols if no globals.
11645         (all_symbols_read_hook): Don't provide replacement for empty
11646         claimed file.
11647
11648 2008-12-12  Ian Lance Taylor  <iant@google.com>
11649
11650         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11651         r_type == 0 for a local symbol with r_sym == 0.
11652         (scan_relocatable_relocs): Pass r_sym to
11653         local_non_section_strategy.
11654         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11655         r_sym parameter.
11656
11657         * configure.ac: Update test for TLS descriptors: they are
11658         supported as of glibc 2.9.
11659         * configure: Rebuild.
11660
11661 2008-12-11  Ian Lance Taylor  <iant@google.com>
11662
11663         PR 7091
11664         * target-reloc.h (Default_scan_relocatable_relocs): For each
11665         function, map r_type == 0 to RELOC_DISCARD.
11666
11667 2008-12-10  Cary Coutant  <ccoutant@google.com>
11668
11669         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11670         object to override a kept COMDAT group from a plugin object.
11671
11672 2008-12-09  Ian Lance Taylor  <iant@google.com>
11673
11674         PR 7088
11675         * yyscript.y (file_cmd): Handle INPUT.
11676
11677         * testsuite/initpri1.c: Change all declarations to be full
11678         prototypes by adding void, to avoid compiler warnings.
11679
11680 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11681
11682         * options.cc (General_options::parse_plugin_opt): New.
11683         (General_options::add_plugin): The argument now is just the filename.
11684         (General_options::add_plugin_option): New.
11685         * options.h (plugin_opt): New.
11686         (add_plugin): Change argument name.
11687         (add_plugin_option): New.
11688         * plugin.cc (Plugin::load): Don't parse the plugin option.
11689         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11690         (Plugin::add_option): New.
11691         (Plugin::args_): Change type.
11692         (Plugin::filename_): New.
11693         (Plugin_manager::add_plugin_option): New.
11694         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11695         * testsuite/Makefile.in: Regenerate.
11696
11697 2008-12-05  Cary Coutant  <ccoutant@google.com>
11698
11699         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11700         Handle --strip-lto-sections option.
11701         * options.h (strip_lto_sections): New option.
11702
11703 2008-12-01  Cary Coutant  <ccoutant@google.com>
11704
11705         * plugin.cc (ld_plugin_message): Change format parameter to const.
11706         Fix mismatch between new[] and delete.
11707
11708 2008-11-14  Cary Coutant  <ccoutant@google.com>
11709
11710         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11711         instead of -1U.
11712
11713 2008-11-05  Craig Silverstein  <csilvers@google.com>
11714
11715         * options.cc (General_options::parse_dynamic_list): New function.
11716         * options.h (General_options): New flags dynamic_list,
11717         dynamic_list_data, dynamic_list_cpp_new, and
11718         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11719         (General_options::in_dynamic_list): New function.
11720         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11721         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11722         (Lex::can_continue_name): Likewise.
11723         (yylex): Likewise.
11724         (read_script_file): New parameter script_options.
11725         (read_dynamic_list): New function.
11726         (Script_options::define_dynamic_list): New function.
11727         (dynamic_list_keyword_parsecodes): New variable.
11728         (dynamic_list_keywords): New variable.
11729         * script.h (Script_options::define_dynamic_list): New function
11730         prototype.
11731         (read_dynamic_list): New function prototype.
11732         * symtab.cc (strprefix): New macro.
11733         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11734         dynamic_list_data, dynamic_list_cpp_new, and
11735         dynamic_list_cpp_typeinfo.
11736         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11737         (dynamic_list_expr): New rule.
11738         (dynamic_list_nodes): Likewise.
11739         (dynamic_list_node): Likewise.
11740         * testsuite/Makefile.am (dynamic_list): New test.
11741         * testsuite/Makefile.in: Regenerated.
11742         * testsuite/dynamic_list.t: New file.
11743         * testsuite/dynamic_list.sh: New file.
11744
11745 2008-11-05  Craig Silverstein  <csilvers@google.com>
11746
11747         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11748         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11749         (t11_last): Likewise.
11750         * testsuite/ver_test_6.c (main): Likewise.
11751
11752 2008-10-07  Cary Coutant  <ccoutant@google.com>
11753
11754         * options.c (General_options::finalize): Add check for -static and
11755         -shared.
11756         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11757         is not empty.
11758
11759 2008-10-02  Cary Coutant  <ccoutant@google.com>
11760
11761         * plugin.cc (make_sized_plugin_object): Fix conditional
11762         compilation to work when not all targets are enabled.
11763
11764 2008-09-29  Cary Coutant  <ccoutant@google.com>
11765
11766         * archive.cc (Archive::get_file_and_offset): Use filename instead
11767         of name to get library path.
11768         (Archive::include_member): Unlock external member of a thin archive.
11769
11770         * testsuite/Makefile.am (TEST_AR): New variable.
11771         (thin_archive_test_1): New test.
11772         (thin_archive_test_2): New test.
11773         * testsuite/Makefile.in: Regenerate.
11774         * testsuite/thin_archive_main.cc: New file.
11775         * testsuite/thin_archive_test_1.cc: New file.
11776         * testsuite/thin_archive_test_2.cc: New file.
11777         * testsuite/thin_archive_test_3.cc: New file.
11778         * testsuite/thin_archive_test_4.cc: New file.
11779
11780 2008-09-29  Cary Coutant  <ccoutant@google.com>
11781
11782         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11783         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11784         instead of -1U.
11785         (Sized_relobj::do_finalize_local_symbols): Likewise.
11786         (Sized_relobj::map_to_kept_section): Likewise.
11787         * object.h (Sized_relobj::invalid_address): New constant.
11788         (Sized_relobj::do_output_section_offset): Check for invalid_address
11789         and return -1ULL.
11790         * output.cc (Output_reloc::local_section_offset): Use constant
11791         invalid_address instead of -1U.
11792         (Output_reloc::get_address): Likewise.
11793         (Output_section::output_address): Change -1U to -1ULL.
11794         * output.h (Output_reloc::invalid_address): New constant.
11795         * reloc.cc (Sized_relobj::write_sections): Use constant
11796         invalid_address instead of -1U.
11797         (Sized_relobj::relocate_sections): Likewise.
11798         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11799         values for merge sections.
11800         * target-reloc.h (relocate_for_relocatable): Use constant
11801         invalid_address instead of -1U.
11802
11803 2008-09-19  Cary Coutant  <ccoutant@google.com>
11804
11805         Add plugin functionality for link-time optimization (LTO).
11806         * configure.ac (plugins): Add --enable-plugins option.
11807         * configure: Regenerate.
11808         * config.in: Regenerate.
11809         * Makefile.am (LIBDL): New variable.
11810         (CCFILES): Add plugin.cc.
11811         (HFILES): Add plugin.h.
11812         (ldadd_var): Add LIBDL.
11813         * Makefile.in: Regenerate.
11814
11815         * archive.cc: Include "plugin.h".
11816         (Archive::setup): Don't preread archive symbols when using a plugin.
11817         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11818         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11819         files.
11820         (Archive::include_member): Add symbols from plugin objects.
11821         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11822         * descriptors.cc (Descriptors::open): Check for file descriptors
11823         abandoned by plugins.
11824         (Descriptors::claim_for_plugin): New function.
11825         * descriptors.h (Descriptors::claim_for_plugin): New function.
11826         (Open_descriptor::is_claimed): New field.
11827         (claim_descriptor_for_plugin): New function.
11828         * fileread.cc (File_read::claim_for_plugin): New function.
11829         * fileread.h (File_read::claim_for_plugin): New function.
11830         (File_read::descriptor): New function.
11831         * gold.cc: Include "plugin.h".
11832         (queue_initial_tasks): Add task to call plugin hooks for generating
11833         new object files.
11834         * main.cc: Include "plugin.h".
11835         (main): Load plugin libraries.
11836         * object.h (Pluginobj): Declare.
11837         (Object::pluginobj): New function.
11838         (Object::do_pluginobj): New function.
11839         (Object::set_target): New function.
11840         * options.cc: Include "plugin.h".
11841         (General_options::parse_plugin): New function.
11842         (General_options::General_options): Initialize plugins_ field.
11843         (General_options::add_plugin): New function.
11844         * options.h (Plugin_manager): Declare.
11845         (General_options): Add --plugin option.
11846         (General_options::has_plugins): New function.
11847         (General_options::plugins): New function.
11848         (General_options::add_plugin): New function.
11849         (General_options::plugins_): New field.
11850         * plugin.cc: New file.
11851         * plugin.h: New file.
11852         * readsyms.cc: Include "plugin.h".
11853         (Read_symbols::do_read_symbols): Check for archive before checking
11854         for ELF file.  Call plugin hooks to claim files.
11855         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11856         from a real object file; force override when processing replacement
11857         files.
11858         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11859         (Symbol::init_base_object): Likewise.
11860         (Symbol::init_base_output_data): Likewise.
11861         (Symbol::init_base_output_segment): Likewise.
11862         (Symbol::init_base_constant): Likewise.
11863         (Symbol::init_base_undefined): Likewise.
11864         (Symbol::output_section): Assert that object is not a plugin.
11865         (Symbol_table::add_from_pluginobj): New function.
11866         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11867         undefined.
11868         (Symbol_table::sized_write_globals): Likewise.
11869         (Symbol_table::add_from_pluginobj): Instantiate template.
11870         * symtab.h (Sized_pluginobj): Declare.
11871         (Symbol::in_real_elf): New function.
11872         (Symbol::set_in_real_elf): New function.
11873         (Symbol::in_real_elf_): New field.
11874         (Symbol_table::add_from_pluginobj): New function.
11875
11876         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11877         (LIBDL): New variable.
11878         (LDADD): Add LIBDL.
11879         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11880         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11881         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11882         (MOSTLYCLEANFILES): Likewise.
11883         * testsuite/Makefile.in: Regenerate.
11884         * testsuite/plugin_test.c: New file.
11885         * testsuite/plugin_test_1.sh: New file.
11886         * testsuite/plugin_test_2.sh: New file.
11887
11888 2008-09-16  Ian Lance Taylor  <iant@google.com>
11889
11890         * target-reloc.h (relocate_section): Check whether a symbol is
11891         defined by the ABI before reporting an undefined symbol error.
11892         * target.h (Target::is_defined_by_abi): Make parameter const.
11893         (Target::do_is_defined_by_abi): Likewise.
11894         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11895         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11896         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11897         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11898         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11899         * testsuite/Makefile.in: Rebuild.
11900
11901         * fileread.cc (make_view): Add casts to avoid warning.
11902
11903 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11904
11905         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11906         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11907
11908 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11909
11910         * options.h (General_options::output_is_executable): New.
11911         (General_options::output_is_pie): New.
11912         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11913         for shared libraries.
11914         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11915
11916 2008-09-11  Chris Demetriou  <cgd@google.com>
11917
11918         * options.h (origin): New -z option.
11919         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11920         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11921         in DT_FLAGS_1.
11922
11923 2008-09-05  Cary Coutant  <ccoutant@google.com>
11924
11925         * fileread.cc (File_read::make_view): Add check for attempt to map
11926         beyond end of file.
11927
11928 2008-09-05  Cary Coutant  <ccoutant@google.com>
11929
11930         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11931         explicit instantiations.
11932
11933 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11934
11935         PR gold/6858
11936         * options.cc (General_options::finalize): Allow undefined symbols
11937         in shlibs if linking -shared.
11938
11939         PR gold/6859
11940         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11941         symbols as not needing a dynsym entry.
11942
11943 2008-08-20  Craig Silverstein  <csilvers@google.com>
11944
11945         * fileread.cc (File_read::open): Do not lock the file unless it
11946         was successfully opened.
11947
11948 2008-08-14  Cary Coutant  <ccoutant@google.com>
11949
11950         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11951         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11952         * testsuite/tls_test.cc (struct int128): 128-bit struct
11953         for testing TLS relocs with non-zero addend.
11954         (v12): New TLS variable.
11955         (t12): New test.
11956         (t_last): Add check for v12.
11957         * testsuite/tls_test.h (t12): New function.
11958         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11959
11960 2008-08-13  Ian Lance Taylor  <iant@google.com>
11961
11962         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11963         set tls_segment_ or relro_segment_.
11964         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11965         when appropriate.
11966         * output.h (Output_section::clear_is_relro): New function.
11967         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11968         sections specially even when output_data_ is empty.
11969         (Output_segment::maximum_alignment): When first section is relro,
11970         only force alignment for PT_LOAD segments.
11971         * script.cc (script_data_segment_align): New function.
11972         (script_data_segment_relro_end): New function.
11973         * script-c.h (script_data_segment_align): Declare.
11974         (script_data_segment_relro_end): Declare.
11975         * script-sections.h (class Script_sections): Declare
11976         data_segment_align and data_segment_relro_end.  Add fields
11977         segment_align_index_ and saw_relro_end_.
11978         * script-sections.cc (class Sections_element): Add set_is_relro
11979         virtual function.  Add new bool* parameter to place_orphan_here.
11980         Add get_output_section virtual function.
11981         (class Output_section_definition): Add set_is_relro.  Add new
11982         bool* parameter to place_orphan_here.  Add get_output_section.
11983         Add is_relro_ field.
11984         (Output_section_definition::Output_section_definition): Initialize
11985         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11986         and is_relro_ fields.
11987         (Output_section_definition::place_orphan_here): Add is_relro
11988         parameter.
11989         (Output_section_definition::set_section_addresses): Set relro for
11990         output section.
11991         (Output_section_definition::alternate_constraint): Likewise.
11992         (class Orphan_output_section): Add new bool* parameter to
11993         place_orphan_here.  Add get_output_section.
11994         (Orphan_output_section::place_orphan_here): Add is_relro
11995         parameter.
11996         (Script_sections::Script_sections): Initialize
11997         data_segment_align_index_ and saw_relro_end_.
11998         (Script_sections::data_segment_align): New function.
11999         (Script_sections::data_segment_relro_end): New function.
12000         (Script_sections::place_orphan): Set or clear is_relro.
12001         (Script_sections::set_section_addresses): Force alignment of first
12002         TLS section.
12003         * yyscript.y (exp): Call script_data_segment_align and
12004         script_data_segment_relro_end.
12005         * testsuite/relro_script_test.t: New file.
12006         * testsuite/relro_test.cc (using_script): Declare.
12007         (t1, t2): Test using_script.
12008         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12009         (relro_script_test_SOURCES): Define.
12010         (relro_script_test_DEPENDENCIES): Define.
12011         (relro_script_test_LDFLAGS): Define.
12012         (relro_script_test_LDADD): Define.
12013         (relro_script_test.so): New target.
12014         * testsuite/Makefile.in: Rebuild.
12015
12016 2008-08-06  Cary Coutant <ccoutant@google.com>
12017
12018         * archive.cc (Archive::total_archives, Archive::total_members)
12019         (Archive::total_members_loaded): New variables.
12020         (Archive::setup): Add parameter.  Add option to preread
12021         archive symbols.
12022         (Archive::read_armap): Add counter.
12023         (Archive::get_file_and_offset): New function.
12024         (Archive::get_elf_object_for_member): New function.
12025         (Archive::read_all_symbols): New function.
12026         (Archive::read_symbols): New function.
12027         (Archive::add_symbols): Add counters.
12028         (Archive::include_all_members): Use armap to find members if it's
12029         already built.
12030         (Archive::include_member): Skip reading symbols if already read.
12031         Factored code into Archive::get_file_and_offset and
12032         Archive::get_elf_object_for_member.  Changed call to
12033         Mapfile::report_include_archive_member.
12034         (Archive::print_stats): New function.
12035         * archive.h: Declare Object and Read_symbols_data classes.
12036         (Archive::Archive): Add initializers for new members.
12037         (Archive::setup): Add parameter.
12038         (Archive::print_stats): New function.
12039         (Archive::total_archives, Archive::total_members)
12040         (Archive::total_members_loaded): New variables.
12041         (Archive::get_file_and_offset): New function.
12042         (Archive::get_elf_object_for_member): New function.
12043         (Archive::read_all_symbols): New function.
12044         (Archive::read_symbols): New function.
12045         (Archive::Archive_member): New class.
12046         (Archive::members_): New member.
12047         (Archive::num_members_): New member.
12048         * main.cc: Include archive.h.
12049         (main): Call Archive::print_stats.
12050         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12051         archive parameter; member_name is now the fully-decorated name.
12052         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12053         * options.h: (General_options): Add --preread-archive-symbols option.
12054         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12055         Archive::setup.
12056
12057 2008-08-04  Ian Lance Taylor  <iant@google.com>
12058
12059         * symtab.h (Symbol::use_plt_offset): New function.
12060         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12061         * powerpc.cc (Relocate::relocate): Likewise.
12062         * sparc.cc (Relocate::relocate): Likewise.
12063         * x86_64.cc (Relocate::relocate): Likewise.
12064         * testsuite/weak_plt.sh: New test.
12065         * testsuite/weak_plt_main.cc: New test.
12066         * testsuite/weak_plt_shared.cc: New test.
12067         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12068         (check_PROGRAMS): Add weak_plt.
12069         (check_DATA): Add weak_plt_shared.so.
12070         (weak_plt_main_pic.o, weak_plt): New targets.
12071         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12072         * testsuite/Makefile.in: Rebuild.
12073
12074         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12075         gcctestdir/ld.
12076         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12077         * testsuite/Makefile.in: Rebuild.
12078
12079 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12080
12081         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12082         * Makefile.in: Regenerate.
12083         * po/POTFILES.in: Regenerate.
12084
12085 2008-07-29  Ian Lance Taylor  <iant@google.com>
12086
12087         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12088         symbols before other symbols.
12089         * testsuite/script_test_2.cc (test_addr): Declare.
12090         (test_addr_alias): Declare.
12091         (main): Check that test_addr and test_addr_alias have the right
12092         values.
12093         * testsuite/script_test_2.t: Define test_addr_alias and
12094         test_addr.
12095
12096 2008-07-24  Ian Lance Taylor  <iant@google.com>
12097
12098         PR 5990
12099         * descriptors.cc: New file.
12100         * descriptors.h: New file.
12101         * gold-threads.h (class Hold_optional_lock): New class.
12102         * fileread.cc: Include "descriptors.h".
12103         (File_read::~File_read): Release descriptor rather than closing
12104         it.
12105         (File_read::open) [file]: Call open_descriptor rather than open.
12106         Set is_descriptor_opened_.
12107         (File_read::open) [memory]: Assert that descriptor is not open.
12108         (File_read::reopen_descriptor): New function.
12109         (File_read::release): Release descriptor.
12110         (File_read::do_read): Make non-const.  Reopen descriptor.
12111         (File_read::read): Make non-const.
12112         (File_read::make_view): Reopen descriptor.
12113         (File_read::do_readv): Likewise.
12114         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12115         Update declarations.
12116         * layout.cc: Include "descriptors.h".
12117         (Layout::create_build_id): Use open_descriptor rather than open.
12118         * output.cc: Include "descriptors.h".
12119         (Output_file::open): Use open_descriptor rather than open.
12120         * archive.cc (Archive::const_iterator): Change Archive to be
12121         non-const.
12122         (Archive::begin, Archive::end): Make non-const.
12123         (Archive::count_members): Likewise.
12124         * archive.h (class Archive): Update declarations.
12125         * object.h (Object::read): Make non-const.
12126         * Makefile.am (CCFILES): Add descriptors.cc.
12127         (HFILES): Add descriptors.h.
12128         * Makefile.in: Rebuild.
12129
12130         PR 6716
12131         * gold.h: Always include <clocale>.  Add Solaris workarounds
12132         following code in binutils/sysdep.h.
12133
12134         PR 6048
12135         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12136         this->eh_frame_hdr_ is NULL before using it.
12137
12138         * dynobj.cc (Versions::Versions): Update comment.
12139
12140         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12141         the base version name.
12142
12143         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12144         array size plus one.
12145         (Stringpool_template::set_string_offsets): Subtract one from key
12146         before using it as an array index.
12147         (Stringpool_template::get_offset_with_length): Likewise.
12148         (Stringpool_template::write_to_buffer): Likewise.
12149         * stringpool.h (Stringpool_template::get_offset_from_key):
12150         Likewise.
12151
12152 2008-07-23  Ian Lance Taylor  <iant@google.com>
12153
12154         PR 6658
12155         * object.h (Merged_symbol_value::value): Do our best to handle a
12156         negative addend.
12157
12158         PR 6647
12159         * script.cc (Version_script_info::get_versions): Don't add empty
12160         version tag to return value.
12161         (Version_script_info::get_symbol_version_helper): Change return
12162         type to bool.  Add pversion parameter.  Change all callers.
12163         (script_register_vers_node): Don't require a non-NULL tag.
12164         * script.h (class Version_script_info): Update declarations.
12165         (Version_script_info::get_symbol_version): Change return type to
12166         bool.  Add version parameter.  Change all callers.
12167         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12168         handling.  Handle an empty version from a version script.
12169         (Symbol_table::define_special_symbol): Likewise.
12170         * testsuite/ver_test_10.script: New file.
12171         * testsuite/ver_test_10.sh: New file.
12172         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12173         (check_DATA): Add ver_test_10.syms.
12174         (ver_test_10.syms, ver_test_10.so): New target.
12175         * testsuite/Makefile.in: Rebuild.
12176
12177 2008-07-23  Simon Baldwin  <simonb@google.com>
12178
12179         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12180         to zero for undefined symbols from dynamic libraries.
12181
12182 2008-07-23  Ian Lance Taylor  <iant@google.com>
12183
12184         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12185         Change all callers.
12186         * symtab.h (class Symbol_table): Update declaration.
12187         * testsuite/ver_test_9.cc: New file.
12188         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12189         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12190         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12191         (ver_test_9.so, ver_test_9.o): New targets.
12192         * testsuite/Makefile.in: Rebuild.
12193
12194 2008-07-22  Ian Lance Taylor  <iant@google.com>
12195
12196         * options.h (class General_options): Define --check-sections.
12197         * layout.cc (Layout::set_segment_offsets): Handle
12198         --check-sections.
12199
12200         * options.h (class General_options): Define -n/--nmagic and
12201         -N/--omagic.
12202         * options.cc (General_options::finalize): For -n/--nmagic or
12203         -N/--omagic, set -static.
12204         * layout.cc (Layout::attach_allocated_section_to_segment): If
12205         -N/--omagic, don't put read-only and read-write sections in
12206         different segments.
12207         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12208         finding a read-only segment.
12209         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12210         don't set the minimum segment alignment to the common page size,
12211         and don't set the file offset to the address modulo the page size.
12212         * script-sections.cc (Script_sections::create_segments): If
12213         -n/--omagic, don't put read-only and read-write sections in
12214         different segments.
12215
12216         * cref.cc: New file.
12217         * cref.h: New file.
12218         * options.h (class General_options): Add --print-symbol-counts.
12219         * main.cc (main): Issue defined symbol report if requested.
12220         * archive.cc (Archive::interpret_header): Make into a const member
12221         function.
12222         (Archive::add_symbols): Call Input_objects::archive_start and
12223         archive_stop.
12224         (Archive::const_iterator): Define new class.
12225         (Archive::begin, Archive::end): New functions.
12226         (Archive::include_all_members): Rewrite to use iterator.
12227         (Archive::count_members): New function.
12228         * archive.h (class Archive): Update declarations.
12229         (Archive::filename): New function.
12230         * object.cc: Include "cref.h".
12231         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12232         (Sized_relobj::do_get_global_symbol_counts): New function.
12233         (Input_objects::add_object): Add object to cross-referencer.
12234         (Input_objects::archive_start): New function.
12235         (Input_objects::archive_stop): New function.
12236         (Input_objects::print_symbol_counts): New function.
12237         * object.h: Declare Cref and Archive.
12238         (Object::get_global_symbol_counts): New function.
12239         (Object::do_get_global_symbol_counts): New pure virtual function.
12240         (class Sized_relobj): Add defined_count_ field.  Update
12241         declarations.
12242         (class Input_objects): Add cref_ field.  Update constructor.
12243         Update declarations.
12244         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12245         defined_count_.
12246         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12247         symbol counts.
12248         (Sized_dynobj::do_get_global_symbol_counts): New function.
12249         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12250         defined_count_.  Update declarations.  Define Symbols typedef.
12251         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12252         parameter.  Change all callers.
12253         (Symbol_table::add_from_dynobj): Add sympointers and defined
12254         parameters.  Change all callers.
12255         * symtab.h (class Symbol_table): Update declarations.
12256         * Makefile.am (CCFILES): Add cref.cc.
12257         (HFILES): Add cref.h.
12258         * Makefile.in: Rebuild.
12259
12260 2008-07-22  Simon Baldwin  <simonb@google.com>
12261
12262         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12263         to zero when writing undefined symbols.
12264
12265 2008-07-22  Ian Lance Taylor  <iant@google.com>
12266
12267         * output.cc (Output_section::add_input_section): Don't try to
12268         merge empty merge sections.
12269
12270 2008-07-21  Craig Silverstein  <csilvers@google.com>
12271
12272         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12273         Include symbol version in error message.
12274
12275 2008-07-20  Chris Demetriou  <cgd@google.com>
12276
12277         * configure.ac (gold_cv_c_random_seed): New configured variable.
12278         (RANDOM_SEED_CFLAGS): New substituted variable.
12279         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12280         * configure: Rebuild.
12281         * Makefile.in: Likewise.
12282         * testsuite/Makefile.in: Likewise.
12283
12284 2008-07-18  Ian Lance Taylor  <iant@google.com>
12285
12286         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12287         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12288         * testsuite/ver_test_main.cc (main): Call t4.
12289         (t4, t4_2a): Define.
12290         * testsuite/ver_test_2.cc (t4_2): Define.
12291         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12292         * testsuite/ver_test_4.cc (t4_2a): Define.
12293         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12294         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12295
12296 2008-07-17  Ian Lance Taylor  <iant@google.com>
12297
12298         * dynobj.cc (Versions::add_def): If we give an error about a
12299         missing version, go ahead and create the version anyhow.
12300
12301 2008-07-10  Ian Lance Taylor  <iant@google.com>
12302
12303         Handle output sections with more than 0x7fffffff bytes.
12304         * object.h (class Relobj): Change map_to_output_ to
12305         output_sections_, and just keep a section pointer.  Change all
12306         uses.  Move comdat group support to Sized_relobj.
12307         (Relobj::is_section_specially_mapped): Remove.
12308         (Relobj::output_section): Remove poff parameter.  Change all
12309         callers.
12310         (Relobj::output_section_offset): New function.
12311         (Relobj::set_section_offset): Rewrite.
12312         (Relobj::map_to_output): Remove.
12313         (Relobj::output_sections): New function.
12314         (Relobj::do_output_section_offset): New pure virtual function.
12315         (Relobj::do_set_section_offset): Likewise.
12316         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12317         group support from Relobj.  Update declarations.
12318         (Sized_relobj::get_output_section_offset): New function.
12319         (Sized_relobj::do_output_section_offset): New function.
12320         (Sized_relobj::do_set_section_offset): New function.
12321         * object.cc (Relobj::output_section_address): Remove.
12322         (Sized_relobj::Sized_relobj): Initialize new fields.
12323         (Sized_relobj::include_section_group): Cast find_kept_object to
12324         Sized_relobj.
12325         (Sized_relobj::include_linkonce_section): Likewise.
12326         (Sized_relobj::do_layout): Use separate arrays for output section
12327         and output offset.
12328         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12329         output_sections.
12330         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12331         output_sections and section_offsets.
12332         (Sized_relobj::write_local_symbols): Likewise.
12333         (map_to_kept_section): Compute output address directly.
12334         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12335         output_sections and section_offsets.
12336         (Sized_relobj::write_sections): Likewise.
12337         (Sized_relobj::relocate_sections): Likewise.
12338         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12339         * output.h (class Output_reloc): Update declarations.  Change
12340         u2_.relobj to Sized_relobj*.
12341         (class Output_data_reloc): Change add functions to use
12342         Sized_relobj*.
12343         * output.cc (Output_reloc::Output_reloc): Change relobj to
12344         Sized_relobj*.
12345         (Output_reloc::local_section_offset): Change return type to
12346         Elf_Addr.  Use get_output_section_offset.
12347         (Output_reloc::get_address): Likewise.
12348         (Output_section::is_input_address_mapped): Don't call
12349         is_section_specially_mapped.
12350         (Output_section::output_offset): Likewise.
12351         (Output_section::output_address): Likewise.
12352         (Output_section::starting_output_address): Likewise.
12353         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12354         parameter to Sized_relobj*.
12355         (Copy_relocs::need_copy_reloc): Likewise.
12356         (Copy_relocs::save): Likewise.
12357         * copy-relocs.h (class Copy_relocs): Update declarations.
12358         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12359         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12360         * target-reloc.h (relocate_for_relocatable): Change
12361         offset_in_output_section type to Elf_Addr.  Change code that uses
12362         it as well.
12363         * layout.cc (Layout::layout): Always set *off.
12364         * mapfile.cc (Mapfile::print_input_section): Use
12365         output_section_offset.
12366         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12367         Sized_relobj*.
12368         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12369         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12370         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12371
12372 2008-07-03  Ian Lance Taylor  <iant@google.com>
12373
12374         * layout.cc (Layout::include_section): Do not discard unrecognized
12375         SHT_STRTAB sections.
12376
12377 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12378
12379         * script.cc (Lex::can_continue_name): Make '?' allowable in
12380         version-script names.
12381         * testsuite/version_script.map: Change glob pattern to use '?'
12382
12383 2008-06-30  Manish Singh  <yosh@gimp.org>
12384
12385         PR 6585
12386         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12387         Correct typo.
12388
12389 2008-06-30  Ian Lance Taylor  <iant@google.com>
12390
12391         PR 6660
12392         PR 6682
12393         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12394         versions]: Don't try to read the value in the contents, since we
12395         don't use it.  Use the template endianness when writing.
12396
12397 2008-06-25  Cary Coutant  <ccoutant@google.com>
12398
12399         * fileread.cc (File_read::make_view): Assert on zero-length view.
12400         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12401         symbol table when there are no symbols to read.
12402
12403 2008-06-23  Craig Silverstein  <csilvers@google.com>
12404
12405         * version.cc (version_string): Bump to 1.7
12406
12407 2008-06-18  Craig Silverstein  <csilvers@google.com>
12408
12409         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12410         constant 0xFFFF to type Valtype.
12411         (Powerpc_relocate_functions::rel16_ha): Likewise.
12412
12413 2008-06-17  Ian Lance Taylor  <iant@google.com>
12414
12415         * output.h (Output_section::Input_section): Initialize p2align_ to
12416         zero for Output_section_data constructors.
12417         (Output_section::Input_section::addralign): If not an input
12418         section, return the alignment of the Output_section_data.
12419         * testsuite/copy_test.cc: New file.
12420         * testsuite/copy_test_1.cc: New file.
12421         * testsuite/copy_test_2.cc: New file.
12422         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12423         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12424         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12425         (copy_test_1_pic.o, copy_test_1.so): New targets.
12426         (copy_test_2_pic.o, copy_test_2.so): New targets.
12427         * testsuite/Makefile.in: Rebuild.
12428
12429         * script-sections.cc (Script_sections::place_orphan): Initialize
12430         local variable exact.
12431
12432 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12433
12434         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12435
12436 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12437             David S. Miller  <davem@davemloft.net>
12438
12439         * powerpc.cc: New file.
12440         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12441         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12442         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12443         * Makefile.in: Rebuild.
12444
12445 2008-06-09  Ian Lance Taylor  <iant@google.com>
12446
12447         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12448         <exception>.
12449         (throwing, orig_terminate): New static variables.
12450         (terminate_handler): New static function.
12451         (t2): Set terminate handler.
12452
12453 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12454
12455         PR 6584
12456         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12457         alignment.
12458
12459 2008-05-30  Cary Coutant  <ccoutant@google.com>
12460
12461         * archive.cc (Archive::include_all_members) Correct to step
12462         over symbol table and extended name table in thin archives.
12463
12464 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12465
12466         PR 6407
12467         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12468         calculation.
12469
12470 2008-05-28  Caleb Howe  <cshowe@google.com>
12471
12472         * reduced_debug_output.cc: New file.
12473         * reduced_debug_output.h: New file.
12474         * options.h (class General_options): Add --strip-debug-non-line.
12475         * options.cc (General_options::finalize): Add strip_debug_non_line
12476         to the strip heirarchy.
12477         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12478         fields.
12479         * layout.cc: Include "reduced_debug_output.h".
12480         (Layout::Layout): Initialize new fields.
12481         (line_only_debug_sections): New static array.
12482         (is_lines_only_debug_sections): New static inline function.
12483         (Layout::include_section): Handle --strip-debug-non-line.
12484         (Layout::make_output_section): If --strip-debug-non-line, build
12485         new output sections for .debug_abbrev and .debug_info.
12486         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12487         gold.  Warn about possible overflow.
12488         (read_signed_LEB_128): Likewise.
12489         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12490         (read_signed_LEB_128): Declare.
12491         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12492         (HFILES): Add reduced_debug_output.h.
12493         * Makefile.in: Rebuild.
12494
12495 2008-05-21  Ian Lance Taylor  <iant@google.com>
12496
12497         * mapfile.cc: New file.
12498         * mapfile.h: New file.
12499         * options.h (class General_options): Add -M/--print-map and -Map.
12500         * options.cc (General_options::finalize): Make -M equivalent to
12501         -Map -.
12502         * main.cc: Include <cstdio> and "mapfile.h".
12503         (main): Open mapfile if requested.
12504         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12505         constructor.  Change caller.
12506         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12507         (queue_middle_tasks): Likewise.
12508         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12509         declarations.
12510         * archive.cc: Include "mapfile.h".
12511         (Archive::add_symbols): Add mapfile parameter.  Change all
12512         callers.  Pass mapfile, symbol, and reason to include_member.
12513         (Archive::include_all_members): Add mapfile parameter.  Change all
12514         callers.
12515         (Archive::include_member): Add mapfile, sym, and why parameters.
12516         Change all callers.  Report inclusion to map file.
12517         * archive.h: Include "fileread.h".
12518         (class Archive): Update declarations.
12519         (Archive::file): New const method.
12520         (class Add_archive_symbols): Add mapfile_ field.  Update
12521         constructor.  Change all callers.
12522         * readsyms.h (class Read_symbols): Likewise.
12523         (class Finish_group): Likewise.
12524         (class Read_script): Likewise.
12525         * common.cc: Include "mapfile.h".
12526         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12527         all callers.
12528         (Symbol_table::do_allocate_commons): Likewise.
12529         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12530         symbol allocation to mapfile.
12531         * common.h (class Allocate_commons_task): Add mapfile_ field.
12532         Update constructor.  Change all callers.
12533         * symtab.h (class Symbol_table): Update declarations.
12534         * layout.cc: Include "mapfile.h".
12535         (Layout_task_runner::run): Print information to mapfile.
12536         (Layout::create_gold_note): Change Output_data_fixed_space to
12537         Output_data_zero_fill.
12538         (Layout::create_build_id): Likewise.
12539         (Layout::print_to_mapfile): New function.
12540         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12541         constructor.  Change caller.
12542         (class Layout): Declare print_to_mapfile.
12543         * output.cc (Output_section::Input_section::print_to_mapfile): New
12544         function.
12545         (Output_section::add_input_section): If producing a map, always
12546         add to input_sections_ list.
12547         (Output_section::do_print_to_mapfile): New function.
12548         (Output_segment::print_sections_to_mapfile): New function.
12549         (Output_segment::print_section_list_to_mapfile): New function.
12550         * output.h: Include "mapfile.h".
12551         (Output_data::print_to_mapfile): New function.
12552         (Output_data::do_print_to_mapfile): New virtual function.
12553         (Output_segment_headers::do_print_to_mapfile): New function.
12554         (Output_file_header::do_print_to_mapfile): New function.
12555         (Output_data_const::do_print_to_mapfile): New function.
12556         (class Output_data_const_buffer): Add map_name_ field.  Update
12557         constructor.  Change all callers.  Add do_print_to_mapfile
12558         function.
12559         (class Output_data_fixed_space): Likewise.
12560         (class Output_data_space): Likewise.
12561         (class Output_data_zero_fill): New class.
12562         (Output_data_strtab::do_print_to_mapfile): New function.
12563         (Output_data_reloc_base::do_print_to_mapfile): New function.
12564         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12565         (Output_data_group::do_print_to_mapfile): New function.
12566         (Output_data_got::do_print_to_mapfile): New function.
12567         (Output_data_dynamic::do_print_to_mapfile): New function.
12568         (Output_symtab_xindex::do_print_to_mapfile): New function.
12569         (class Output_section): Declare do_print_to_mapflie.  Declare
12570         print_to_mapfile in Input_section.
12571         (class Output_segment): Declare new functions.
12572         * object.h (Sized_relobj::symbol_count): New function.
12573         * script-sections.cc
12574         (Output_section_element_dot_assignment::set_section_addresses):
12575         Change Output_data_fixed_space to Output_data_zero_fill.
12576         (Output_data_expression::do_print_to_mapfile): New function.
12577         * script.cc (read_input_script): Add mapfile parameter.  Change
12578         all callers.
12579         * script.h (read_input_script): Update declaration.
12580         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12581         (Eh_frame::do_print_to_mapfile): New function.
12582         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12583         (Output_merge_string::do_print_to_mapfile): New function.
12584         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12585         function.
12586         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12587         function.
12588         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12589         function.
12590         * Makefile.am (CCFILES): Add mapfile.cc.
12591         (HFILES): Add mapfile.h.
12592         * Makefile.in: Rebuild.
12593
12594 2008-05-19  Ian Lance Taylor  <iant@google.com>
12595
12596         * options.h (class General_options): Add -z relro.
12597         * layout.cc (Layout::Layout): Initialize relro_segment_.
12598         (Layout::add_output_section_data): Return the output section.
12599         (Layout::make_output_section): Rcognize relro sections and mark
12600         them appropriately.
12601         (Layout::attach_allocated_section_to_segment): Put relro sections
12602         in a PT_GNU_RELRO segment.
12603         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12604         section as relro.
12605         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12606         PT_TLS segments.
12607         (Layout::linkonce_mapping): Map d.rel.ro.local to
12608         .data.rel.ro.local.
12609         (Layout::output_section_name): Us .data.rel.ro.local for any
12610         section which begins with that.
12611         * layout.h (class Layout): Update add_output_section_data
12612         declaration.  Add relro_segment_ field.
12613         * output.cc (Output_section::Output_section): Initialize is_relro_
12614         and is_relro_local_ fields.
12615         (Output_segment::add_output_section): Group relro sections.
12616         (Output_segment::is_first_section_relro): New function.
12617         (Output_segment::maximum_alignment): If there is a relro section,
12618         align the segment to the common page size.
12619         (Output_segment::set_section_addresses): Track whether we are
12620         looking at relro sections.  If the last section is a relro
12621         section, align to the common page size.
12622         (Output_segment::set_section_list_addresses): Add in_relro
12623         parameter.  Change all callers.  Align to the page size when
12624         moving from relro to non-relro section.
12625         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12626         segment.
12627         * output.h (class Output_section): Add is_relro_ and
12628         is_relro_local_ fields.
12629         (Output_section::is_relro): New function.
12630         (Output_section::set_is_relro): New function.
12631         (Output_section::is_relro_local): New function.
12632         (Output_section::set_is_relro_local): New function.
12633         (class Output_segment): Update declarations.
12634         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12635         * sparc.cc (Target_sparc::got_section): Likewise.
12636         * x86_64.cc (Target_x86_64::got_section): Likewise.
12637         * testsuite/relro_test_main.cc: New file.
12638         * testsuite/relro_test.cc: New file.
12639         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12640         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12641         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12642         (relro_test.so, relro_test_pic.o): New targets.
12643         * testsuite/Makefile.in: Rebuild.
12644
12645 2008-05-16  Ian Lance Taylor  <iant@google.com>
12646
12647         * output.cc (Output_segment::add_output_section): Remove front
12648         parameter.
12649         * output.h (class Output_segment): Remove
12650         add_initial_output_section and overloaded add_output_section.
12651         Update declaration of remaining add_output_section.
12652         * layout.cc (Layout::create_interp): Call add_output_section
12653         rather than add_initial_output_section.
12654         (Layout::finish_dynamic_section): Likewise.
12655
12656         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12657         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12658         know the dynamic type.
12659         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12660         field.  Initialize it in constructor.
12661         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12662         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12663         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12664         reloc.
12665
12666         * output.cc (Output_reloc::get_address): Change return type to
12667         Elf_Addr.
12668         * output.h (class Output_reloc): Update get_address declaration.
12669         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12670         for section addresses.
12671
12672 2008-05-09  Ian Lance Taylor  <iant@google.com>
12673
12674         PR 6493
12675         * gold.cc (gold_nomem): Use return value of write.
12676
12677 2008-05-08  Ian Lance Taylor  <iant@google.com>
12678
12679         * symtab.c (Symbol::init_base_output_data): Add version
12680         parameter.  Change all callers.
12681         (Symbol::init_base_output_segment): Likewise.
12682         (Symbol::init_base_constant): Likewise.
12683         (Symbol::init_base_undefined): Likewise.
12684         (Sized_symbol::init_output_data): Likewise.
12685         (Sized_symbol::init_output_segment): Likewise.
12686         (Sized_symbol::init_constant): Likewise.
12687         (Sized_symbol::init_undefined): Likewise.
12688         (Symbol_table::do_define_in_output_data): If the new symbol has a
12689         version, mark it as the default.
12690         (Symbol_table::do_define_in_output_segment): Likewise.
12691         (Symbol_table::do_define_as_constant): Likewise.
12692         * symtab.h (class Symbol): Update declarations.
12693         (class Sized_symbol): Likewise.
12694         * resolve.cc (Symbol::override_version): New function.
12695         (Symbol::override_base): Call override_version.
12696         (Symbol::override_base_with_special): Likewise.
12697         * testsuite/ver_script_8.script: New file.
12698         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12699         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12700         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12701         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12702
12703 2008-05-06  Ian Lance Taylor  <iant@google.com>
12704
12705         PR 6049
12706         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12707         functions.
12708         (class General_options): Remove existing --undefined, and add
12709         --no-undefined instead.  Add new --undefined as synonym for -u.
12710         * archive.cc (Archive::add_symbols): Check whether symbol was
12711         named with -u.
12712         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12713         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12714         all uses.  Add IS_UNDEFINED.  Update declarations to split
12715         different versions of init_base.  Declare init_base_undefined.
12716         (Symbol::is_defined): Handle IS_UNDEFINED.
12717         (Symbol::is_undefined): Likewise.
12718         (Symbol::is_weak_undefined): Call is_undefined.
12719         (Symbol::is_absolute): Handle IS_CONSTANT.
12720         (class Sized_symbol): Update declarations to split different
12721         versions of init.  Declare init_undefined.
12722         (class Symbol_table): Declare new functions.
12723         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12724         Change all callers.
12725         (Symbol::init_base_output_data): Likewise.
12726         (Symbol::init_base_output_segment): Likewise.
12727         (Symbol::init_base_constant): Likewise.
12728         (Symbol::init_base_undefined): New function.
12729         (Sized_symbol::init_object): Rename from init.  Change all
12730         callers.
12731         (Sized_symbol::init_output_data): Likewise.
12732         (Sized_symbol::init_output_segment): Likewise.
12733         (Sized_symbol::init_constant): Likewise.
12734         (Sized_symbol::init_undefined): New function.
12735         (Symbol_table::add_undefined_symbols_from_command_line): New
12736         function.
12737         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12738         function.
12739         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12740         (Symbol::output_section): Likewise.
12741         (Symbol::set_output_section): Likewise.
12742         (Symbol_table::sized_finalize_symbol): Likewise.
12743         (Symbol_table::sized_write_globals): Likewise.
12744         * resolve.cc (Symbol_table::should_override): Likewise.
12745         (Symbol::override_base_with_special): Likewise.
12746
12747         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12748         symbol, change it to have default visibility.
12749         * testsuite/protected_1.cc: New file.
12750         * testsuite/protected_2.cc: New file.
12751         * testsuite/protected_3.cc: New file.
12752         * testsuite/protected_main_1.cc: New file.
12753         * testsuite/protected_main_2.cc: New file.
12754         * testsuite/protected_main_3.cc: New file.
12755         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12756         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12757         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12758         (protected_1.so): New target.
12759         (protected_1_pic.o, protected_2_pic.o): New targets.
12760         (protected_3_pic.o): New target.
12761         (check_PROGRAMS): Add protected_2.
12762         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12763         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12764         * testsuite/Makefile.in: Rebuild.
12765
12766         * options.h (DEFINE_var): Add set_user_set_##varname__.
12767         (DEFINE_bool_alias): New macro.
12768         (class General_options): Define -Bstatic using DEFINE_bool_alias
12769         rather than DEFINE_special.  Add --undefined as an alias for -z
12770         defs.
12771         * options.cc (General_options::parse_Bstatic): Remove.
12772
12773         * options.h (class General_options): Add --fatal-warnings.
12774         * main.cc (main): Implement --fatal-warnings.
12775         * errors.h (Errors::warning_count): New function.
12776
12777         * options.h (class General_options): Add -Bsymbolic-functions.
12778         * symtab.h (Symbol::is_preemptible): Check for
12779         -Bsymbolic-functions.
12780
12781 2008-05-05  Ian Lance Taylor  <iant@google.com>
12782
12783         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12784         as noVARNAME rather than no-VARNAME.
12785         (class General_options): Add option -z combreloc.
12786         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12787         get_address.
12788         (Output_reloc::sort_before) [SHT_REL]: New function.
12789         (Output_reloc::sort_before) [SHT_RELA]: New function.
12790         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12791         Sort_relocs_comparison.
12792         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12793         parameter.  Change all callers.
12794         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12795         sort_relocs parameter.  Change all callers.
12796         * output.cc (Output_reloc::get_address): New function, broken out
12797         of write_rel.
12798         (Output_reloc::write_rel): Call it.
12799         (Output_reloc::compare): New function.
12800         (Output_data_reloc_base::do_write): Optionally sort relocs.
12801
12802         * configure.ac: If targ_extra_obj is set, link it in.
12803         * configure.tgt: Initialize all variables.
12804         (x86_64*): Set targ_extra_obj and targ_extra_size.
12805         * configure: Rebuild.
12806
12807         * object.cc (Sized_relobj::include_section_group): Adjust section
12808         indexes read from group data.  Build vector to pass to
12809         layout_group.
12810         * layout.cc (Layout::layout_group): Add flags and shndxes
12811         parameters.  Remove contents parameter.  Change caller.  Update
12812         explicit instantiations.
12813         * layout.h (class Layout): Update layout_group declaration.
12814         * output.cc (Output_data_group::Output_data_group): Add flags and
12815         input_shndxes parameters.  Remove contents parameter.  Change
12816         caller.
12817         (Output_data_group::do_write): Change input_sections_ to
12818         input_shndxes_.
12819         * output.h (class Output_data_group): Update constructor
12820         declaration.  Rename input_sections_ to input_shndxes_.
12821         * testsuite/many_sections_test.cc: Add template.
12822
12823 2008-04-30  Cary Coutant  <ccoutant@google.com>
12824
12825         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12826
12827         * layout.cc (Layout::include_section): Refactored check for debug
12828         info section.
12829         (Layout::add_comdat): Add new parameters.  Change type
12830         of signature parameter.  Add object and shndx to signatures table.
12831         (Layout::find_kept_object): New function.
12832         * layout.h: Include <cstring>.
12833         (Layout::is_debug_info_section): New function.
12834         (Layout::add_comdat): Add new parameters.
12835         (Layout::find_kept_object): New function.
12836         (Layout::Kept_section): New struct.
12837         (Layout::Signatures): Change type of map range.
12838         * object.cc (Relobj::output_section_address): New function.
12839         (Sized_relobj::include_section_group): Add new parameters.  Change
12840         calls to Layout::add_comdat.  Change to build table of kept comdat
12841         groups and table mapping discarded sections to kept sections.
12842         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12843         (Sized_relobj::do_layout): Change calls to include_section_group and
12844         include_linkonce_section.
12845         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12846         value to zero when section is discarded.
12847         (Sized_relobj::map_to_kept_section): New function.
12848         * object.h (Relobj::output_section_address): New function.
12849         (Relobj::Comdat_group): New type.
12850         (Relobj::find_comdat_group): New function.
12851         (Relobj::Comdat_group_table): New type.
12852         (Relobj::Kept_comdat_section): New type.
12853         (Relobj::Kept_comdat_section_table): New type.
12854         (Relobj::add_comdat_group): New function.
12855         (Relobj::set_kept_comdat_section): New function.
12856         (Relobj::get_kept_comdat_section): New function.
12857         (Relobj::comdat_groups_): New field.
12858         (Relobj::kept_comdat_sections_): New field.
12859         (Symbol_value::input_value): Update comment.
12860         (Sized_relobj::map_to_kept_section) New function.
12861         (Sized_relobj::include_linkonce_section): Add new parameter.
12862         * target-reloc.h (Comdat_behavior): New type.
12863         (get_comdat_behavior): New function.
12864         (relocate_section): Add code to map a discarded section to the
12865         corresponding kept section when applying a relocation.
12866
12867 2008-04-30  Craig Silverstein  <csilvers@google.com>
12868
12869         * dwarf_reader.cc (next_generation_count): New static var.
12870         (Addr2line_cache_entry): New struct.
12871         (addr2line_cache): New static var.
12872         (Dwarf_line_info::one_addr2line): Added caching.
12873         (Dwarf_line_info::clear_addr2line_cache): New function.
12874         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12875         cache-size parameter.
12876         (Dwarf_line_info::one_addr2line_cache): New function.
12877         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12878         new cache-size argument to one_addr2line(), and clear cache.
12879
12880 2008-04-28  Cary Coutant  <ccoutant@google.com>
12881
12882         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12883         R_386_PC8 relocations.
12884
12885 2008-04-23  Ian Lance Taylor  <iant@google.com>
12886
12887         * object.cc (Sized_relobj::include_section_group): Check for
12888         invalid section group.
12889
12890         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12891         header size.
12892
12893         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12894         than read for file header.
12895         * archive.cc (Archive::include_member): Likewise.
12896
12897 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12898
12899         * aclocal.m4: Regenerate.
12900         * configure: Regenerate.
12901
12902 2008-04-19  Ian Lance Taylor  <iant@google.com>
12903
12904         * version.cc (version_string): Bump to 1.6.
12905
12906         * testsuite/Makefile.am (many_sections_r_test): New target.
12907         (many_sections_r_test_SOURCES): Remove.
12908         (many_sections_r_test_DEPENDENCIES): Remove.
12909         (many_sections_r_test_LDFLAGS): Remove.
12910         (many_sections_r_test_LDADD): Remove.
12911
12912         * object.cc (Sized_relobj::do_add_symbols): Always pass
12913         local_symbol_count_ to add_from_relobj.
12914
12915         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12916         every thousand variables.
12917         * testsuite/Makefile.in: Rebuild.
12918
12919         * object.cc (Xindex::initialize_symtab_xindex): New function.
12920         (Xindex::read_symtab_xindex): New function.
12921         (Xindex::sym_xindex_to_shndx): New function.
12922         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12923         available.
12924         (Sized_relobj::do_initialize_xindex): New function.
12925         (Sized_relobj::do_read_symbols): Adjust section links.
12926         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12927         parameter.  Change all callers.
12928         (Sized_relobj::include_section_group): Adjust section links and
12929         symbol section indexes.
12930         (Sized_relobj::do_layout): Adjust section links.
12931         (Sized_relobj::do_count_local_symbols): Adjust section links and
12932         symbol section indexes.
12933         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12934         ordinary and special symbols.
12935         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12936         dynsym_xindex parameters.  Change all callers.  Adjust section
12937         links.  Use SHN_XINDEX when needed.
12938         (Sized_relobj::get_symbol_location_info): Adjust section links.
12939         Don't get fooled by special symbols.
12940         * object.h (class Xindex): Define.
12941         (class Object): Add xindex_ parameter.  Declare virtual functoin
12942         do_initialize_xindex.
12943         (Object::adjust_sym_shndx): New function.
12944         (Object::set_xindex): New protected function.
12945         (class Symbol_value): Add is_ordinary_shndx_ field.
12946         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12947         (Symbol_value::value): Assert ordinary section.
12948         (Symbol_value::initialize_input_to_output_map): Likewise.
12949         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12950         Change all callers.
12951         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12952         all callers.
12953         (class Sized_relobj): Update declarations.
12954         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12955         parameter.  Change all callers.
12956         (Sized_relobj::adjust_shndx): New function.
12957         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12958         field.
12959         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12960         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12961         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12962         (Sized_dynobj::read_dynsym_section): Adjust section links.
12963         (Sized_dynobj::read_dynamic): Likewise.
12964         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12965         section links.
12966         (Sized_dynobj::do_initialize_xindex): New function.
12967         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12968         do_initialize_xindex.
12969         (Sized_dynobj::adjust_shndx): New function.
12970         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12971         dynsym_xindex_ fields.
12972         (Layout::finalize): Add a call to set_section_indexes before
12973         creating the symtab sections.
12974         (Layout::set_section_indexes): Don't do anything if the section
12975         already has a section index.
12976         (Layout::create_symtab_sections): Add shnum parameter.  Change
12977         caller.  Create .symtab_shndx section if needed.
12978         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12979         caller.
12980         (Layout::allocated_output_section_count): New function.
12981         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12982         needed.
12983         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12984         fields.  Update declarations.
12985         (Layout::symtab_xindex): New function.
12986         (Layout::dynsym_xindex): New function.
12987         (class Write_symbols_task): Add layout_ field.
12988         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12989         Change caller.
12990         * output.cc (Output_section_headers::Output_section_headers): Add
12991         shstrtab_section parameter.  Change all callers.
12992         (Output_section_headers::do_sized_write): Store overflow values
12993         for section count and section string table section index in
12994         section header zero.
12995         (Output_file_header::do_sized_write): Check for overflow of
12996         section count and section string table section index.
12997         (Output_symtab_xindex::do_write): New function.
12998         (Output_symtab_xindex::endian_do_write): New function.
12999         * output.h (class Output_section_headers): Add shstrtab_section_.
13000         Update declarations.
13001         (class Output_symtab_xindex): Define.
13002         (Output_section::has_out_shndx): New function.
13003         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13004         field.
13005         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13006         Change all callers.
13007         (Sized_symbol::init): Likewise.
13008         (Symbol::output_section): Check for ordinary symbol.
13009         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13010         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13011         callers.
13012         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13013         Change all callers.  Simplify handling of symbols from sections
13014         not included in the link.
13015         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13016         distinction.
13017         (Weak_alias_sorter::operator()): Assert that symbols are
13018         ordinary.
13019         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13020         distinction.
13021         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13022         parameters.  Change all callers.
13023         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13024         symbol distinction.  Use SHN_XINDEX when needed.
13025         (Symbol_table::write_section_symbol): Add symtab_xindex
13026         parameter.  Change all callers.
13027         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13028         SHN_XINDEX when needed.
13029         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13030         declarations.
13031         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13032         (Symbol::is_defined): Check is_ordinary.
13033         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13034         (Symbol::is_absolute, Symbol::is_common): Likewise.
13035         (class Sized_symbol): Update declarations.
13036         (class Symbol_table): Update declarations.
13037         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13038         parameters.  Change all callers.
13039         (Sized_symbol::override): Likewise.
13040         (Symbol_table::override): Likewise.
13041         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13042         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13043         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13044         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13045         to be in an ordinary section.
13046         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13047         object and is_ordinary parameters.  Change all callers.
13048         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13049         Change all callers.  Don't add undefined or non-ordinary symbols
13050         to reloc_map_.
13051         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13052         Change all callers.
13053         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13054         declarations.
13055         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13056         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13057         (Sized_relobj::relocate_sections): Likewise.
13058         * target-reloc.h (scan_relocs): Adjust section symbol index.
13059         (scan_relocatable_relocs): Likewise.
13060         * i386.cc (Scan::local): Check for ordinary symbols.
13061         * sparc.cc (Scan::local): Likewise.
13062         * x86_64.cc (Scan::local): Likewise.
13063         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13064         to symbol_section_and_value.
13065         * testsuite/many_sections_test.cc: New file.
13066         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13067         (check_PROGRAMS): Add many_sections_test.
13068         (many_sections_test_SOURCES): Define.
13069         (many_sections_test_DEPENDENCIES): Define.
13070         (many_sections_test_LDFLAGS): Define.
13071         (BUILT_SOURCES): Add many_sections_define.h.
13072         (many_sections_define.h): New target.
13073         (BUILT_SOURCES): Add many_sections_check.h.
13074         (many_sections_check.h): New target.
13075         (check_PROGRAMS): Add many_sections_r_test.
13076         (many_sections_r_test_SOURCES): Define.
13077         (many_sections_r_test_DEPENDENCIES): Define.
13078         (many_sections_r_test_LDFLAGS): Define.
13079         (many_sections_r_test_LDADD): Define.
13080         (many_sections_r_test.o): New target.
13081         * testsuite/Makefile.in: Rebuild.
13082
13083 2008-04-17  Cary Coutant  <ccoutant@google.com>
13084
13085         * errors.cc (Errors::info): New function.
13086         (gold_info): New function.
13087         * errors.h (Errors::info): New function.
13088         * gold.h (gold_info): New function.
13089         * object.cc (Input_objects::add_object): Print trace output.
13090         * options.cc (options::parse_set): New function.
13091         (General_options::parse_wrap): Deleted.
13092         (General_options::General_options): Deleted initializer.
13093         * options.h (options::String_set): New typedef.
13094         (options::parse_set): New function.
13095         (DEFINE_set): New macro.
13096         (General_options::wrap): Changed to use DEFINE_set. Changed
13097         callers of any_wrap_symbols and is_wrap_symbol.
13098         (General_options::trace, General_options::trace_symbol):
13099         New options.
13100         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13101         (General_options::wrap_symbols_): Deleted.
13102         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13103
13104 2008-04-17  David S. Miller  <davem@davemloft.net>
13105
13106         * options.cc (General_options::parse_V): New function.
13107         * options.h: Add entries for -V and -Qy.
13108
13109 2008-04-17  Ian Lance Taylor  <iant@google.com>
13110
13111         * common.cc (Symbol_table::allocate_commons): Remove options
13112         parameter.  Change caller.
13113         (Symbol_table::do_allocate_commons): Remove options parameter.
13114         Change caller.  Just call do_allocate_commons_list twice.
13115         (Symbol_table::do_allocate_commons_list): New function, broken out
13116         of do_allocate_commons.
13117         * common.h (class Allocate_commons_task): Remove options_ field.
13118         Update constructor.
13119         * symtab.cc (Symbol_table::Symbol_table): Initialize
13120         tls_commons_.
13121         (Symbol_table::add_from_object): Put TLS common symbols on
13122         tls_commons_ list.
13123         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13124         which are IN_OUTPUT_DATA.
13125         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13126         allocate_commons and do_allocate_commons declarations.  Declare
13127         do_allocate_commons_list.
13128         * gold.cc (queue_middle_tasks): Update creation of
13129         Allocate_commons_task to not pass options.
13130         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13131         (TLS_TEST_C_FLAGS): New variable.
13132         (tls_test_c_pic.o): New target.
13133         (tls_test_shared.so): Link in tls_test_c_pic.o.
13134         (tls_test_c_pic_ie.o): New target.
13135         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13136         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13137         (tls_test_c.o): New target.
13138         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13139         (tls_pic_test_LDADD): Likewise.
13140         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13141         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13142         (tls_test_c_gnu2.o): New target.
13143         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13144         tls_test_c_gnu2.o.
13145         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13146         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13147         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13148         * testsuite/tls_test.cc: Include "config.h".
13149         (t_last): Call t11_last.
13150         * testsuite/tls_test.h (t11, t11_last): Declare.
13151         * testsuite/tls_test_c.c: New file.
13152         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13153         * configure.ac: Check for OpenMP support.
13154         * configure, config.in, Makefile.in: Rebuild.
13155         * testsuite/Makefile.in: Rebuild.
13156
13157 2008-04-16  Cary Coutant  <ccoutant@google.com>
13158
13159         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13160         (Target_i386::tls_base_symbol_defined_): New field.
13161         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13162         (Target_i386::Scan::global): Likewise.
13163         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13164         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13165         (Target_x86_64::tls_base_symbol_defined_): New field.
13166         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13167         (Target_x86_64::Scan::global): Likewise.
13168
13169 2008-04-16  Cary Coutant  <ccoutant@google.com>
13170
13171         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13172         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13173         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13174         building shared libraries.
13175         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13176         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13177         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13178         * testsuite/Makefile.in: Rebuild.
13179         * testsuite/weak_undef.h: New file.
13180         * testsuite/weak_undef_file1.cc: Add extra test cases.
13181         * testsuite/weak_undef_file2.cc: Likewise.
13182         * testsuite/weak_undef_test.cc: Likewise.
13183
13184 2008-04-16  David S. Miller  <davem@davemloft.net>
13185
13186         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13187         Add issued_non_pic_error_ field.  Declare check_non_pic.
13188         (Target_sparc::Scan::check_non_pic): New function.
13189         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13190         (Target_sparc::Scan::global): Likewise.
13191
13192         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13193         * configure: Rebuild.
13194
13195         * options.h (DEFINE_enable): New macro.
13196         (new_dtags): New enable option.
13197         (initfirst, interpose, loadfltr, nodefaultlib,
13198         nodelete, nodlopen, nodump): New -z options.
13199         * layout.cc (Layout:finish_dynamic_section): If new
13200         dtags enabled, emit DT_RUNPATH.  Also, emit a
13201         DT_FLAGS_1 containing any specified -z flags.
13202
13203 2008-04-16  Ian Lance Taylor  <iant@google.com>
13204
13205         * copy-relocs.cc: New file.
13206         * copy-relocs.h: New file.
13207         * reloc.cc: Remove Copy_relocs code.
13208         * reloc.h: Likewise.
13209         * reloc-types.h (struct Reloc_types) [both versions]: Add
13210         get_reloc_addend_noerror.
13211         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13212         variants of add_global which take an addend which must be zero.
13213         * i386.cc: Include "copy-relocs.h".
13214         (class Target_i386): Change type of copy_relocs_ to variable,
13215         update initializer.
13216         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13217         Change all callers.
13218         (Target_i386::do_finalize_sections): Change handling of
13219         copy_relocs_.
13220         * sparc.cc: Include "copy-relocs.h".
13221         (class Target_sparc): Change type of copy_relocs_ to variable,
13222         update initializer.
13223         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13224         Change all callers.
13225         (Target_sparc::do_finalize_sections): Change handling of
13226         copy_relocs_.
13227         * x86_64.cc: Include "copy-relocs.h".
13228         (class Target_x86_64): Change type of copy_relocs_ to variable,
13229         update initializer.
13230         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13231         class.  Change all callers.
13232         (Target_x86_64::do_finalize_sections): Change handling of
13233         copy_relocs_.
13234         * Makefile.am (CCFILES): Add copy-relocs.cc.
13235         (HFILES): Add copy-relocs.h.
13236
13237         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13238
13239         * testsuite/script_test_4.sh: Permit leading zeroes.
13240
13241 2008-04-15  Ian Lance Taylor  <iant@google.com>
13242
13243         * script-sections.cc (Script_sections::create_segments): Use
13244         header_size_adjustment even when there is enough room for the
13245         headers.
13246         * testsuite/script_test_4.sh: New file.
13247         * testsuite/script_test_4.t: New file.
13248         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13249         (check_DATA): Add script_test_4.stdout.
13250         (MOSTLYCLEANFILES): Likewise.
13251         (script_test_4): New target.
13252         (script_test_4.stdout): New target.
13253         * testsuite/Makefile.in: Rebuild.
13254
13255         * sparc.cc: Add definitions for Output_data_plt_sparc class
13256         constants.
13257
13258 2008-04-14  David S. Miller  <davem@davemloft.net>
13259
13260         * sparc.cc: New file.
13261         * Makefile.am (TARGETSOURCES): Add sparc.cc
13262         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13263         * configure.tgt: Document targ_extra_size and
13264         targ_extra_big_endian.  Add entries for sparc-* and
13265         sparc64-*.
13266         * configure.ac: Handle targ_extra_size and
13267         targ_extra_big_endian.
13268         * Makefile.in: Rebuild.
13269         * configure: Likewise.
13270         * po/POTFILES.in: Likewise.
13271         * po/gold.pot: Likewise.
13272
13273 2008-04-14  Ian Lance Taylor  <iant@google.com>
13274
13275         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13276         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13277         in the name/type/flags to section mapping.  Don't call
13278         allocate_output_section.
13279         (Layout::choose_output_section): Change parameter from adjust_name
13280         to is_input_section.  Don't permit input sections after sections
13281         are attached to segments.  Don't call allocate_output_section.
13282         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13283         not write_enable_output_section.
13284         (Layout::make_output_section): Don't push to
13285         unattached_section_list_ nor call attach_to_segment.  Call
13286         attach_section_to_segment if sections are attached.
13287         (Layout::attach_sections_to_segments): New function.
13288         (Layout::attach_section_to_segment): New function.
13289         (Layout::attach_allocated_section_to_segment): Rename from
13290         attach_to_segment.  Remove flags parameter.
13291         (Layout::allocate_output_section): Remove function.
13292         (Layout::write_enable_output_section): Remove function.
13293         * layout.h (class Layout): Update for above changes.  Add new
13294         field sections_are_attached_.
13295         * output.h (Output_section::update_flags_for_input_section): New
13296         function.
13297         * output.cc (Output_section::add_input_section): Call
13298         update_flags_for_input_section.
13299         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13300
13301 2008-04-11  Cary Coutant  <ccoutant@google.com>
13302
13303         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13304         thought unnecessary.
13305         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13306
13307 2008-04-11  Ian Lance Taylor  <iant@google.com>
13308
13309         * output.h (class Output_section_data): Remove inline definition
13310         of set_addralign.
13311         * output.cc (Output_section_data::set_addralign): New function.
13312
13313 2008-04-11  Cary Coutant  <ccoutant@google.com>
13314
13315         Add support for TLS descriptors for i386 and x86_64.
13316         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13317         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13318         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13319         GOT_TYPE_TLS_DESC.
13320         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13321         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13322         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13323         relocations.
13324         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13325         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13326         Fix problem with initial-exec relocations.
13327         (Target_i386::Relocate::relocate_tls): Likewise.
13328         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13329         relaxation.
13330         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13331         support for section-plus-offset dynamic table entries.
13332         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13333         (Output_data_dynamic::Dynamic_entry): Add support for
13334         section-plus-offset dynamic table entries.
13335         (Output_data_dynamic::Classification): Likewise.
13336         (Output_data_dynamic::classification_): Renamed offset_.
13337         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13338         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13339         (Target_x86_64::make_plt_section): New function.
13340         (Target_x86_64::reserve_tlsdesc_entries): New function.
13341         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13342         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13343         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13344         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13345         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13346         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13347         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13348         add extra PLT entry for TLS descriptors.
13349         (Output_data_plt_x86_64::got_): New field.
13350         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13351         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13352         fields.
13353         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13354         descriptors.
13355         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13356         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13357         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13358         R_386_TLS_DESC_CALL relocations.
13359         (Target_x86_64::Scan::global): Likewise.
13360         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13361         for TLS descriptors.
13362         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13363         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13364         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13365         GD-to-IE relaxation.
13366         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13367         and TLS_DESCRIPTORS.
13368         * Makefile.in: Rebuild.
13369         * configure: Rebuild.
13370         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13371         (tls_test_shared2.so): New target.
13372         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13373         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13374         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13375         (tls_shared_gd_to_ie_test_LDADD): New variable.
13376         (tls_shared_gnu2_gd_to_ie_test): New target.
13377         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13378         New targets.
13379         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13380         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13381         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13382         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13383         (tls_shared_gnu2_test): New target.
13384         (tls_test_gnu2_shared.so): New target.
13385         (tls_shared_gnu2_test_SOURCES): New variable.
13386         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13387         (tls_shared_gnu2_test_LDFLAGS): New variable.
13388         (tls_shared_gnu2_test_LDADD): New variable.
13389         * testsuite/Makefile.in: Rebuild.
13390         * testsuite/Makefile.
13391
13392 2008-04-11  Ian Lance Taylor  <iant@google.com>
13393
13394         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13395         justsyms.t.
13396         * testsuite/Makefile.in: Rebuild.
13397
13398         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13399         long.
13400         * testsuite/script_test_2.cc (main): Adjust test.
13401
13402 2008-04-11  David S. Miller  <davem@davemloft.net>
13403             Ian Lance Taylor  <iant@google.com>
13404
13405         * options.h (General_options): Add entries for '-Y' and
13406         '-relax'.
13407         * options.cc (General_options:finalize): If -Y was used, add those
13408         entries to the library path instead of the default "/lib" and
13409         "/usr/lib".
13410
13411 2008-04-11  David S. Miller  <davem@davemloft.net>
13412
13413         * testsuite/justsyms.t: Start at 0x100.
13414         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13415         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13416         long.
13417         * testsuite/script_test_2.cc: Adjust string and section length
13418         checks.
13419
13420 2008-04-09  Ian Lance Taylor  <iant@google.com>
13421
13422         PR gold/5996
13423         * script-sections.cc (Sections_element::allocate_to_segment): Add
13424         orphan parameter.
13425         (Output_section_definition::allocate_to_segment): Likewise.
13426         (Orphan_output_section::allocate_to_segment): Likewise.
13427         (Script_sections::attach_sections_using_phdrs_clause): Don't
13428         propagate non-PT_LOAD segments to orphan sections.
13429         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13430         readelf rather than objdump.
13431         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13432         .interp section and PT_INTERP segment are the same size.
13433         * testsuite/Makefile.in: Rebuild.
13434
13435         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13436         aliases for symbols defined in the same object.
13437         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13438         (weak_alias_test_SOURCES): New variable.
13439         (weak_alias_test_DEPENDENCIES): New variable.
13440         (weak_alias_test_LDFLAGS): New variable.
13441         (weak_alias_test_LDADD): New variable.
13442         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13443         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13444         (weak_alias_test_3.o): New target.
13445         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13446         * testsuite/weak_alias_test_main.cc: New file.
13447         * testsuite/weak_alias_test_1.cc: New file.
13448         * testsuite/weak_alias_test_2.cc: New file.
13449         * testsuite/weak_alias_test_3.cc: New file.
13450
13451 2008-04-08  Ian Lance Taylor  <iant@google.com>
13452
13453         * options.h (class General_options): Add --noinhibit-exec option.
13454         * main.cc (main): Check --noinhibit-exec.
13455
13456         * options.h (class General_options): Define --wrap as a special
13457         option.  Add wrap_symbols_ field.
13458         (General_options::any_wrap_symbols): New function.
13459         (General_options::is_wrap_symbol): New function.
13460         * options.cc (General_options::parse_wrap): New function.
13461         (General_options::General_options): Initialize wrap_symbols_.
13462         * symtab.cc (Symbol_table::wrap_symbol): New function.
13463         (Symbol_table::add_from_object): Handle --wrap.
13464         * symtab.h (class Symbol_table): Declare wrap_symbol.
13465         * target.h (Target::wrap_char): New function.
13466         (Target::Target_info): Add wrap_char field.
13467         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13468         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13469         * testsuite/testfile.cc (Target_test::test_target_info):
13470         Likewise.
13471
13472         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13473         there is one.
13474
13475         * layout.h (class Layout): Add added_eh_frame_data_ field.
13476         * layout.cc (Layout::Layout): Initialize new field.
13477         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13478         output section until we find a section we merged successfully.
13479         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13480         that the size be non-zero.
13481
13482         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13483         qualifier.
13484
13485 2008-04-08  Craig Silverstein  <csilvers@google.com>
13486
13487         * configure.ac: Export new conditional variable HAVE_ZLIB.
13488         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13489         on HAVE_ZLIB.
13490         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13491         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13492
13493 2008-04-07  Ian Lance Taylor  <iant@google.com>
13494
13495         * version.cc (version_string): Set to "1.5".
13496
13497         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13498         Add issued_non_pic_error_ field.  Declare check_non_pic.
13499         (Target_x86_64::Scan::check_non_pic): New function.
13500         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13501         (Target_x86_64::Scan::global): Likewise.
13502
13503         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13504         addend parameter.  Change caller.  Handle merge sections.
13505         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13506         Address to Addend.  Don't add in the result of
13507         local_section_offset, pass down the addend and use the returned
13508         value.
13509         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13510         Update declarations of local_section_offset and symbol_value.
13511         * testsuite/two_file_test_1.cc (t18): New function.
13512         * testsuite/two_file_test_2.cc (f18): New function.
13513         * testsuite/two_file_test_main.cc (main): Call t18.
13514         * testsuite/two_file_test.h (t18, f18): Declare.
13515
13516         * configure.ac: Don't test for objdump, c++filt, or readelf.
13517         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13518         conditionals.
13519         (TEST_READELF): New variable.
13520         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13521         (check_PROGRAMS): Add two_file_strip_test.
13522         (two_file_strip_test): New target.
13523         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13524         (two_file_same_shared_strip_test_SOURCES): New variable.
13525         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13526         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13527         (two_file_same_shared_strip_test_LDADD): New variable.
13528         (two_file_shared_strip.so): New target.
13529         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13530         (ver_test_5.syms, ver_test_7.syms): Likewise.
13531         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13532         (strip_test_3.stdout): Use TEST_OBJDUMP.
13533         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13534
13535 2008-04-04  Cary Coutant  <ccoutant@google.com>
13536
13537         * symtab.h (Symbol::is_weak_undefined): New function.
13538         (Symbol::is_strong_undefined): New function.
13539         (Symbol::is_absolute): New function.
13540         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13541         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13542         absolute symbols.
13543         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13544         (weak_undef_test): New target.
13545         * testsuite/Makefile.in: Rebuild.
13546         * testsuite/weak_undef_file1.cc: New file.
13547         * testsuite/weak_undef_file2.cc: New file.
13548         * testsuite/weak_undef_test.cc: New file.
13549
13550 2008-04-03  Craig Silverstein  <csilvers@google.com>
13551
13552         * compressed_output.h (class Output_compressed_section): Use
13553         unsigned buffer.
13554         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13555         add zlib header.
13556         (zlib_compressed_suffix): Removed.
13557         (Output_compressed_section::set_final_data_size): Use unsigned
13558         buffers.
13559         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13560         Fix linker invocation.
13561         (flagstest_o_specialfile_and_compress_debug_sections):
13562         Likewise.
13563         * testsuite/Makefile.in: Regenerated.
13564
13565 2008-04-02  David S. Miller  <davem@davemloft.net>
13566
13567         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13568         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13569
13570 2008-04-02  Craig Silverstein  <csilvers@google.com>
13571
13572         * TODO: New file.
13573
13574 2008-04-02  Ian Lance Taylor  <iant@google.com>
13575
13576         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13577         parameters.  Update for new key type to views_.  Change all
13578         callers.
13579         (File_read::read): Adjust for byteshift in returned view.
13580         (File_read::add_view): New function, broken out of
13581         find_and_make_view.
13582         (File_read::make_view): New function, broken out of
13583         find_and_make_view.
13584         (File_read::find_or_make_view): Add offset and aligned
13585         parameters.  Rewrite accordingly.  Change all callers.
13586         (File_read::get_view): Add offset and aligned parameters.  Adjust
13587         for byteshift in return value.
13588         (File_read::get_lasting_view): Likewise.
13589         * fileread.h (class File_read): Update declarations.
13590         (class File_read::View): Add byteshift_ field.  Add byteshift to
13591         constructor.  Add byteshift method.
13592         * archive.h (Archive::clear_uncached_views): New function.
13593         (Archive::get_view): Add aligned parameter.  Change all callers.
13594         * object.h (Object::get_view): Add aligned parameter.  Change all
13595         callers.
13596         (Object::get_lasting_view): Likewise.
13597
13598         * fileread.cc (File_read::release): Don't call clear_views if
13599         there are multiple objects.
13600         * fileread.h (File_read::clear_uncached_views): New function.
13601         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13602         on the archive.
13603
13604 2008-03-31  Cary Coutant  <ccoutant@google.com>
13605
13606         Add thin archive support.
13607         * archive.cc (Archive::armagt): New const.
13608         (Archive::setup): Remove task parameter and calls to unlock.
13609         (Archive::unlock_nested_archives): New function.
13610         (Archive::read_header): Add nested_off parameter. Change
13611         all callers.
13612         (Archive::interpret_header): Likewise.
13613         (Archive::include_all_members): Change to handle thin
13614         archives.
13615         (Archive::include_member): Likewise.
13616         * archive.h (Archive::Archive): Add new parameters and
13617         initializers.
13618         (Archive::armagt): New const.
13619         (Archive::setup): Remove task parameter.
13620         (Archive::unlock_nested_archives): New function.
13621         (Archive::read_header): Add nested_off parameter.
13622         (Archive::interpret_header): Likewise.
13623         (Archive::Nested_archive_table): New typedef.
13624         (Archive::is_thin_archive_): New field.
13625         (Archive::nested_archives_): New field.
13626         (Archive::options_): New field.
13627         (Archive::dirpath_): New field.
13628         (Archive::task_): New field.
13629         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13630         for thin archives.  Pass additional parameters to
13631         Archive::Archive.  Unlock the archive file after calling
13632         Archive::setup.
13633
13634 2008-03-29  Ian Lance Taylor  <iant@google.com>
13635
13636         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13637         version symbol to be local.
13638         * testsuite/ver_test_4.sh: New file.
13639         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13640         (check_DATA): Add ver_test_4.syms.
13641         (ver_test_4.syms): New target.
13642         * testsuite/Makefile.in: Rebuild.
13643
13644         * output.cc
13645         (Output_section::Input_section_sort_entry::has_priority): New
13646         function.
13647         (Output_section::Input_section_sort_entry::match_file_name): New
13648         function.
13649         (Output_section::Input_section_sort_entry::match_section_name):
13650         Remove.
13651         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13652         Remove.
13653         (Output_section::Input_section_sort_entry::match_section_file):
13654         Remove.
13655         (Output_section::Input_section_sort_compare::operator()): Rewrite
13656         using new Input_section_sort_entry functions.  Sort crtbegin and
13657         crtend first.  Sort sections with no priority before sections with
13658         a priority.
13659         * testsuite/initpri1.c (d3): Check j != 4.
13660         (cd5): New constructor/destructor function.
13661         (main): Check j != 2.
13662
13663         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13664         new symbol when resolving, don't call set_is_default.
13665         * testsuite/ver_test_7.cc: New file.
13666         * testsuite/ver_test_7.sh: New file.
13667         * testsuite/Makefile.am (ver_test_7.so): New target.
13668         (ver_test_7.o): New target.
13669         (check_SCRIPTS): Add ver_test_7.sh.
13670         (check_DATA): Add ver_test_7.syms.
13671         (ver_test_7.syms): New target.
13672
13673 2008-03-28  Ian Lance Taylor  <iant@google.com>
13674
13675         * layout.cc (Layout::layout): If we see an input section with a
13676         name that needs sorting, set the must_sort flag for the output
13677         section.
13678         (Layout::make_output_section): If the name of the output section
13679         indicates that it might require sorting, set the may_sort flag.
13680         * output.h (Output_section::may_sort_attached_input_sections): New
13681         function.
13682         (Output_section::set_may_sort_attached_input_sections): New
13683         function.
13684         (Output_section::must_sort_attached_input_sections): New
13685         function.
13686         (Output_section::set_must_sort_attached_input_sections): New
13687         function.
13688         (class Output_section): Declare Input_section_sort_entry.  Define
13689         Input_section_sort_compare.  Declare
13690         sort_attached_input_sections.  Add new fields:
13691         may_sort_attached_input_sections_,
13692         must_sort_attached_input_sections_,
13693         attached_input_sections_are_sorted_.
13694         * output.cc (Output_section::Output_section): Initialize new
13695         fields.
13696         (Output_section::add_input_section): Add an entry to
13697         input_sections_ if may_sort or must_sort are true.
13698         (Output_section::set_final_data_size): Call
13699         sort_attached_input_sections if necessary.
13700         (Output_section::Input_section_sort_entry): Define new class.
13701         (Output_section::Input_section_sort_compare::operator()): New
13702         function.
13703         (Output_section::sort_attached_input_sections): New function.
13704         * configure.ac: Check whether the compiler supports constructor
13705         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13706         * testsuite/initpri1.c: New file.
13707         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13708         CONSTRUCTOR_PRIORITY.
13709         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13710         (initpri1_LDFLAGS): New variable.
13711         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13712
13713 2008-03-27  Ian Lance Taylor  <iant@google.com>
13714
13715         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13716         * testsuite/common_test_1.c: New file.
13717         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13718         (common_test_1_SOURCES): New variable.
13719         (common_test_1_DEPENDENCIES): New variable.
13720         (common_test_1_LDFLAGS): New variable.
13721
13722         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13723         and commons_ correctly when NAME/VERSION does not override
13724         NAME/NULL.
13725         * testsuite/ver_test_6.c: New file.
13726         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13727         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13728         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13729
13730 2008-03-26  Ian Lance Taylor  <iant@google.com>
13731
13732         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13733         of an undefined symbol from a version script.
13734         * testsuite/Makefile.am (ver_test_5.so): New target.
13735         (ver_test_5.o): New target.
13736         (check_SCRIPTS): Add ver_test_5.sh.
13737         (check_DATA): Add ver_test_5.syms.
13738         (ver_test_5.syms): New target.
13739         * testsuite/ver_test_5.cc: New file.
13740         * testsuite/ver_test_5.script: New file.
13741         * testsuite/ver_test_5.sh: New file.
13742         * Makefile.in, testsuite/Makefile.in: Rebuild.
13743
13744         PR gold/5986
13745         Fix problems building gold with gcc 4.3.0.
13746         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13747         (gold_error_at_location, gold_warning_at_location): Use it.
13748         * configure.ac: Check whether we can compile and use a template
13749         function with a printf attribute.
13750         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13751         when jumping over bytes.
13752         * object.cc: Instantiate Object::read_section_data.
13753         * debug.h: Include <cstring>
13754         * dwarf_reader.cc: Include <algorithm>
13755         * main.cc: Include <cstring>.
13756         * options.cc: Include <cstring>.
13757         * output.cc: Include <cstring>.
13758         * script.cc: Include <cstring>.
13759         * script.h: Include <string>.
13760         * symtab.cc: Include <cstring> and <algorithm>.
13761         * target-select.cc: Include <cstring>.
13762         * version.cc: Include <string>.
13763         * testsuite/testmain.cc: Include <cstdlib>.
13764         * configure, config.in: Rebuild.
13765
13766 2008-03-25  Ian Lance Taylor  <iant@google.com>
13767
13768         * options.cc: Include "../bfd/bfdver.h".
13769         (options::help): Print bug reporting address.
13770
13771         * version.cc (print_version): Adjust output for current value of
13772         BFD_VERSION_STRING.
13773
13774         * NEWS: New file.
13775
13776         * options.cc (options::help): Print list of supported targets.
13777         * target-select.h: Include <vector>.
13778         (class Target_selector): Make machine_, size_, and is_big_endian_
13779         fields const.  Add bfd_name_ and instantiated_target_ fields.
13780         (Target_selector::Target_selector): Add bfd_name parameter.
13781         (Target_selector::recognize): Make non-virtual, call
13782         do_recognize.
13783         (Target_selector::recognize_by_name): Make non-virtual, call
13784         do_recognize_by_name.
13785         (Target_selector::supported_names): New function.
13786         (Target_selector::bfd_name): New function.
13787         (Target_selector::do_instantiate_target): New pure virtual
13788         function.
13789         (Target_selector::do_recognize): New virtual function.
13790         (Target_selector::do_recognize_by_name): New virtual function.
13791         (Target_selector::instantiate_target): New private function.
13792         (supported_target_names): Declare.
13793         * target-select.cc (Target_selector::Target_selector): Update for
13794         new parameter and fields.
13795         (select_target_by_name): Check that the name matches before
13796         calling recognize_by_name.
13797         (supported_target_names): New function.
13798         * i386.cc (class Target_selector_i386): Update Target_selector
13799         constructor call.  Remove recognize and recognize_by_name.  Add
13800         do_instantiate_target.
13801         * x86_64.cc (class Target_selector_x86_64): Likewise.
13802         * testsuite/testfile.cc (class Target_selector_test): Update for
13803         changes to Target_selector.
13804
13805         * README: Rewrite, with some notes on unsupported features.
13806
13807 2008-03-24  Cary Coutant  <ccoutant@google.com>
13808
13809         * i386.cc (Target_i386::Got_type): New enum declaration.
13810         (Target_i386::Scan::local): Updated callers of Output_data_got
13811         member functions.
13812         (Target_i386::Scan::global): Likewise.
13813         (Target_i386::Relocate::relocate): Likewise.
13814         (Target_i386::Relocate::relocate_tls): Likewise.
13815         * object.h (Got_offset_list): New class.
13816         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13817         (Sized_relobj::local_got_offset): Likewise.
13818         (Sized_relobj::set_local_got_offset): Likewise.
13819         (Sized_relobj::local_has_tls_got_offset): Removed.
13820         (Sized_relobj::local_tls_got_offset): Removed.
13821         (Sized_relobj::set_local_tls_got_offset): Removed.
13822         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13823         * output.cc (Output_data_got::add_global): Added got_type parameter.
13824         (Output_data_got::add_global_with_rel): Likewise.
13825         (Output_data_got::add_global_with_rela): Likewise.
13826         (Output_data_got::add_global_pair_with_rel): New function.
13827         (Output_data_got::add_global_pair_with_rela): New function.
13828         (Output_data_got::add_local): Added got_type parameter.
13829         (Output_data_got::add_local_with_rel): Likewise.
13830         (Output_data_got::add_local_with_rela): Likewise.
13831         (Output_data_got::add_local_pair_with_rel): New function.
13832         (Output_data_got::add_local_pair_with_rela): New function.
13833         (Output_data_got::add_global_tls): Removed.
13834         (Output_data_got::add_global_tls_with_rel): Removed.
13835         (Output_data_got::add_global_tls_with_rela): Removed.
13836         (Output_data_got::add_local_tls): Removed.
13837         (Output_data_got::add_local_tls_with_rel): Removed.
13838         (Output_data_got::add_local_tls_with_rela): Removed.
13839         * output.h (Output_data_got::add_global): Added got_type parameter.
13840         (Output_data_got::add_global_with_rel): Likewise.
13841         (Output_data_got::add_global_with_rela): Likewise.
13842         (Output_data_got::add_global_pair_with_rel): New function.
13843         (Output_data_got::add_global_pair_with_rela): New function.
13844         (Output_data_got::add_local): Added got_type parameter.
13845         (Output_data_got::add_local_with_rel): Likewise.
13846         (Output_data_got::add_local_with_rela): Likewise.
13847         (Output_data_got::add_local_pair_with_rel): New function.
13848         (Output_data_got::add_local_pair_with_rela): New function.
13849         (Output_data_got::add_global_tls): Removed.
13850         (Output_data_got::add_global_tls_with_rel): Removed.
13851         (Output_data_got::add_global_tls_with_rela): Removed.
13852         (Output_data_got::add_local_tls): Removed.
13853         (Output_data_got::add_local_tls_with_rel): Removed.
13854         (Output_data_got::add_local_tls_with_rela): Removed.
13855         * resolve.cc (Symbol::override_base_with_special): Removed
13856         reference to has_got_offset_ field.
13857         * symtab.cc (Symbol::init_fields): Replaced initialization
13858         of got_offset_ with got_offsets_.  Removed initialization
13859         of has_got_offset_
13860         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13861         (Symbol::got_offset): Likewise.
13862         (Symbol::set_got_offset): Likewise.
13863         (Symbol::has_tls_got_offset): Removed.
13864         (Symbol::tls_got_offset): Removed.
13865         (Symbol::set_tls_got_offset): Removed.
13866         (Symbol::got_offset_): Removed.
13867         (Symbol::tls_mod_got_offset_): Removed.
13868         (Symbol::tls_pair_got_offset_): Removed.
13869         (Symbol::got_offsets_): New field.
13870         (Symbol::has_got_offset): Removed.
13871         (Symbol::has_tls_mod_got_offset): Removed.
13872         (Symbol::has_tls_pair_got_offset): Removed.
13873         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13874         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13875         member functions.
13876         (Target_x86_64::Scan::global): Likewise.
13877         (Target_x86_64::Relocate::relocate): Likewise.
13878         (Target_x86_64::Relocate::relocate_tls): Likewise.
13879
13880 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13881
13882         * yyscript.y: Fix spelling error in comment.
13883
13884 2008-03-24  Ian Lance Taylor  <iant@google.com>
13885
13886         * options.h (class General_options): Define build_id option.
13887         * layout.h (class Layout): Declare write_build_id, create_note,
13888         create_build_id.  Add build_id_note_ member.
13889         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13890         "libiberty.h", "md5.h", "sha1.h".
13891         (Layout::Layout): Initialize eh_frame_data_,
13892         eh_frame_hdr_section_, and build_id_note_.
13893         (Layout::finalize): Call create_build_id.
13894         (Layout::create_note): New function, broken out of
13895         Layout::create_gold_note.
13896         (Layout::create_gold_note): Call create_note.
13897         (Layout::create_build_id): New function.
13898         (Layout::write_build_id): New function.
13899         (Close_task_runner::run): Call write_build_id.
13900
13901         * x86_64.cc: Correct license to GPLv3.
13902
13903 2008-03-23  Ian Lance Taylor  <iant@google.com>
13904
13905         * options.cc: Include "demangle.h".
13906         (parse_optional_string): New function.
13907         (parse_long_option): Handle takes_optional_argument.
13908         (parse_short_option): Update dash_z initializer.  Handle
13909         takes_optional_argument.
13910         (General_options::General_options): Initialize do_demangle_.
13911         (General_options::finalize): Set do_demangle_.  Handle demangling
13912         style.
13913         * options.h (parse_optional_string): Declare.
13914         (struct One_option): Add optional_arg field.  Update constructor.
13915         Update call constructor calls.  Add takes_optional_argument
13916         function.
13917         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13918         (DEFINE_optional_string): Define.
13919         (General_options::demangle): Change from DEFINE_bool to
13920         DEFINE_optional_string.
13921         (General_options::no_demangle): New function.
13922         (General_options::do_demangle): New function.
13923         (General_options::set_do_demangle): New function.
13924         (General_options::execstack_status_): Move definition to end of
13925         class definition.
13926         (General_options::static_): Likewise.
13927         (General_options::do_demangle_): New field.
13928         * object.cc (big_endian>::get_symbol_location_info): Call
13929         Options::do_demangle, not Options::demangle.
13930         * symtab.cc (demangle): Likewise.
13931
13932 2008-03-22  Ian Lance Taylor  <iant@google.com>
13933
13934         * gold.h: Include <cstddef> and <sys/types.h>
13935         * options.h: Include <cstring>.
13936
13937 2008-03-21  Ian Lance Taylor  <iant@google.com>
13938
13939         * Added source code to GNU binutils.