2011-06-24 Doug Kwan <dougkwan@google.com>
[external/binutils.git] / gold / ChangeLog
1 2011-06-24  Doug Kwan  <dougkwan@google.com>
2
3         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
4         skip empty text sections.
5         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
6
7 2011-06-22  Ian Lance Taylor  <iant@google.com>
8
9         PR gold/12910
10         * options.h (class General_options): Add --ctors-in-init-array.
11         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
12         friends as SHT_PROGBITS for merging sections.
13         (Layout::layout): Remove special handling of .init_array and
14         friends.  Don't sort if doing relocatable link.  Sort for .ctors
15         and .dtors if ctors_in_init_array.
16         (Layout::make_output_section): Force correct section types for
17         .init_array and friends.  Don't sort if doing relocatable link,
18         Don't sort .ctors and .dtors if ctors_in_init_array.
19         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
20         (Layout::output_section_name): Add relobj parameter.  Change all
21         callers.  Handle .ctors. and .dtors. in code rather than table.
22         Handle .ctors and .dtors if ctors_in_init_array.
23         (Layout::match_file_name): New function, moved from output.cc.
24         * layout.h (class Layout): Update declarations.
25         * output.cc: Include "layout.h".
26         (Input_section_sort_entry::get_priority): New function.
27         (Input_section_sort_entry::match_file_name): Just call
28         Layout::match_file_name.
29         (Output_section::Input_section_sort_init_fini_compare::operator()):
30         Handle .ctors and .dtors.  Sort by explicit priority rather than
31         by name.
32         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
33         * testsuite/initpri2.c: New test.
34         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
35         (check_PROGRAMS): Add initpri2.
36         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
37         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
38         * configure, testsuite/Makefile.in: Rebuild.
39
40 2011-06-19  Ian Lance Taylor  <iant@google.com>
41
42         PR gold/12880
43         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
44         .interp section to a PT_INTERP segment even if we have seen a
45         --dynamic-linker option.  Don't do it if we have seen a PHDRS
46         clause in a linker script.
47         (Layout::finalize): Don't create a .interp section if we've
48         already create a PT_INTERP segment.
49         (Layout::create_interp): Always call choose_output_section (revert
50         patch of 2011-06-17).  Don't create PT_INTERP segment.
51         * script-sections.cc
52         (Script_sections::create_note_and_tls_segments): Add a .interp
53         section to a PT_INTERP segment even if we have seen a
54         --dynamic-linker option.
55
56 2011-06-18  Ian Lance Taylor  <iant@google.com>
57
58         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
59         merely because a non-PT_LOAD segment has a dynamic reloc.
60
61 2011-06-18  Ian Lance Taylor  <iant@google.com>
62
63         * layout.cc (Layout::finish_dynamic_section): Don't create
64         DT_FLAGS entry if not needed.
65
66 2011-06-18  Ian Lance Taylor  <iant@google.com>
67
68         PR gold/12745
69         * layout.cc (Layout::layout_eh_frame): Correct handling of
70         writable .eh_frame section.
71
72 2011-06-17  Ian Lance Taylor  <iant@google.com>
73
74         PR gold/12893
75         * resolve.cc (Symbol_table::resolve): Don't give an error if a
76         symbol is redefined with the exact same object and value.
77
78 2011-06-17  Ian Lance Taylor  <iant@google.com>
79
80         PR gold/12880
81         * layout.h (class Layout): Add interp_segment_ field.
82         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
83         (Layout::attach_allocated_section_to_segment): If making shared
84         library, put .interp section in PT_INTERP segment.
85         (Layout::finalize): Also call create_interp if -dynamic-linker
86         option was used.
87         (Layout::create_interp): Assert that there is no PT_INTERP
88         segment.  If not using a SECTIONS clause, use make_output_section.
89         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
90         * script-sections.cc
91         (Script_sections::create_note_and_tls_segments): If making shared
92         library, put .interp section in PT_INTERP segment.
93
94 2011-06-17  Ian Lance Taylor  <iant@google.com>
95
96         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
97         when making a shared library.
98
99 2011-06-17  Ian Lance Taylor  <iant@google.com>
100
101         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
102         parameter.  Change all callers.  Don't issue warning about PC32
103         against locally defined symbol.
104
105 2011-06-16  Ian Lance Taylor  <iant@google.com>
106
107         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
108         occurs in same object.
109
110 2011-06-14  Alan Modra  <amodra@gmail.com>
111
112         * po/POTFILES.in: Regenerate.
113
114 2011-06-09  Ian Lance Taylor  <iant@google.com>
115
116         * script-sections.cc
117         (Orphan_output_section::set_section_addresses): For a relocatable
118         link set address to 0.
119
120 2011-06-09  Cary Coutant  <ccoutant@google.com>
121
122         PR gold/12804
123         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
124         used with --compress-debug-sections.
125         * gold/object.cc (Sized_relobj_file::do_layout): Report
126         uncompressed size of compressed input sections.
127
128 2011-06-08  Cary Coutant  <ccoutant@google.com>
129
130         PR gold/12804
131         * testsuite/two_file_test_2_v1.cc: Change initialization of
132         v2 to keep it in .data.
133
134 2011-06-07  Cary Coutant  <ccoutant@google.com>
135
136         * common.cc (Symbol_table::do_allocate_commons_list): Call
137         gold_fallback.
138         * errors.cc (Errors::fatal): Adjust call to gold_exit.
139         (Errors::fallback): New function.
140         (gold_fallback): New function.
141         * errors.h (Errors::fallback): New function.
142         * gold.cc (gold_exit): Change status parameter to enum; adjust
143         all callers.
144         (queue_initial_tasks): Call gold_fallback.
145         * gold.h: Include cstdlib.
146         (Exit_status): New enum type.
147         (gold_exit): Change status parameter to enum.
148         (gold_fallback): New function.
149         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
150         (Layout::create_symtab_sections): Likewise.
151         (Layout::create_shdrs): Likewise.
152         * main.cc (main): Adjust call to gold_exit.
153         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
154         (Output_data_got::add_got_entry_pair): Likewise.
155         (Output_section::add_input_section): Likewise.
156         (Output_section::add_output_section_data): Likewise.
157         (Output_segment::set_section_list_addresses): Likewise.
158         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
159
160 2011-06-07  Cary Coutant  <ccoutant@google.com>
161
162         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
163         for incremental links.
164         * output.cc (Output_segment::set_section_list_addresses): Remove
165         FIXME and test for TLS or BSS.
166
167 2011-06-07  Cary Coutant  <ccoutant@google.com>
168
169         * testsuite/Makefile.am: Add incremental_copy_test,
170         incremental_common_test_1.
171         * testsuite/Makefile.in: Regenerate.
172         * testsuite/common_test_1_v1.c: New source file.
173         * testsuite/common_test_1_v2.c: New source file.
174         * testsuite/copy_test_v1.cc: New source file.
175
176 2011-06-07  Cary Coutant  <ccoutant@google.com>
177
178         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
179         update, allocate common from bss section's free list.
180         * incremental-dump.cc (dump_incremental_inputs): Print flag for
181         linker-defined symbols.
182         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
183         Skip GOT and PLT entries that are no longer referenced.
184         (Output_section_incremental_inputs::write_info_blocks): Mark
185         linker-defined symbols.
186         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
187         * output.cc (Output_section::allocate): New function.
188         * output.h (Output_section::allocate): New function.
189         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
190         linker-defined symbols.
191         (Symbol::override_base_with_special): Copy is_predefined_ flag.
192         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
193         (Symbol::init_base_output_data): Likewise.
194         (Symbol::init_base_output_segment): Likewise.
195         (Symbol::init_base_constant): Likewise.
196         (Sized_symbol::init_output_data): Likewise.
197         (Sized_symbol::init_output_segment): Likewise.
198         (Sized_symbol::init_constant): Likewise.
199         (Symbol_table::do_define_in_output_data): Likewise.
200         (Symbol_table::do_define_in_output_segment): Likewise.
201         (Symbol_table::do_define_as_constant): Likewise.
202         * symtab.h (Symbol::is_predefined): New function.
203         (Symbol::init_base_output_data): Add is_predefined parameter.
204         (Symbol::init_base_output_segment): Likewise.
205         (Symbol::init_base_constant): Likewise.
206         (Symbol::is_predefined_): New data member.
207         (Sized_symbol::init_output_data): Add is_predefined parameter.
208         (Sized_symbol::init_output_segment): Likewise.
209         (Sized_symbol::init_constant): Likewise.
210         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
211
212 2011-06-07  Cary Coutant  <ccoutant@google.com>
213
214         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
215         instead of emit_copy_reloc.
216         (Copy_relocs::emit_copy_reloc): Refactor.
217         (Copy_relocs::make_copy_reloc): New function.
218         (Copy_relocs::add_copy_reloc): Remove.
219         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
220         section.
221         (Copy_relocs::make_copy_reloc): New function.
222         (Copy_relocs::add_copy_reloc): Remove.
223         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
224         unchanged input files.
225         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
226         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
227         Reserve BSS space for COPY relocations.
228         (Sized_incremental_binary::do_emit_copy_relocs): New function.
229         (Output_section_incremental_inputs::write_info_blocks): Record
230         whether a symbol is copied from a shared object.
231         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
232         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
233         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
234         (Incremental_input_entry_reader::get_output_symbol_index): Add
235         is_copy parameter.
236         (Incremental_binary::emit_copy_relocs): New function.
237         (Incremental_binary::do_emit_copy_relocs): New function.
238         (Sized_incremental_binary::Sized_incremental_binary): Initialize
239         new data member.
240         (Sized_incremental_binary::add_copy_reloc): New function.
241         (Sized_incremental_binary::do_emit_copy_relocs): New function.
242         (Sized_incremental_binary::Copy_reloc): New struct.
243         (Sized_incremental_binary::Copy_relocs): New typedef.
244         (Sized_incremental_binary::copy_relocs_): New data member.
245         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
246         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
247         * target.h (Sized_target::emit_copy_reloc): New function.
248         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
249
250 2011-06-02  Cary Coutant  <ccoutant@google.com>
251
252         PR gold/12163
253         * gold/archive.cc (Archive::Archive): Initialize new data member.
254         (Archive::include_all_members): Return if archive has already been
255         included.
256         * gold/archive.h (Archive::include_all_members_): New data member.
257
258 2011-06-02  Nick Clifton  <nickc@redhat.com>
259
260         * dynobj.h: Fix spelling mistake in comment.
261         * output.cc: Likewise.
262
263 2011-05-31  Doug Kwan  <dougkwan@google.com>
264             Asier Llano
265
266         PR gold/12826
267         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
268         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
269         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
270         redundant arm_exidx_test.so.
271         * testsuite/Makefile.in: Regenerate.
272         (check_SCRIPTS): Add pr12826.sh
273         (check_DATA): Add pr12826.stdout
274         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
275         * testsuite/pr12826.sh: New file.
276         * testsuite/pr12826_1.s: Ditto.
277         * testsuite/pr12826_1.s: Ditto.
278
279 2011-05-30  Ian Lance Taylor  <iant@google.com>
280
281         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
282         sections.
283
284 2011-05-29  Ian Lance Taylor  <iant@google.com>
285
286         PR gold/12804
287         * testsuite/Makefile.am: Use different file name for two_file_test
288         temporary file for each incremental test.
289         * testsuite/Makefile.in: Rebuild.
290
291 2011-05-29  Ian Lance Taylor  <iant@google.com>
292
293         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
294         binary input file is empty.
295
296 2011-05-27  Ian Lance Taylor  <iant@google.com>
297
298         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
299         (ver_test_9.so): Likewise.
300         * testsuite/Makefile.in: Rebuild.
301
302 2011-05-26 Cary Coutant  <ccoutant@google.com>
303
304         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
305         * incremental.cc (Incremental_inputs::report_input_section): Fix
306         comment, indentation.
307         (Incremental_inputs::report_comdat_group): New function.
308         (Output_section_incremental_inputs::set_final_data_size): Adjust size
309         of data for incremental input file entry.
310         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
311         group count, COMDAT group signatures.
312         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
313         an unchanged input file.
314         * incremental.h (Incremental_object_entry::Incremental_object_entry):
315         Initialize new data member.
316         (Incremental_object_entry::add_comdat_group): New function.
317         (Incremental_object_entry::get_comdat_group_count): New function.
318         (Incremental_object_entry::get_comdat_signature_key): New function.
319         (Incremental_object_entry::groups_): New data member.
320         (Incremental_inputs::report_comdat_group): New function.
321         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
322         data for incremental input file entry.
323         (Incremental_input_entry_reader::get_comdat_group_count): New function.
324         (Incremental_input_entry_reader::get_input_section): Adjust size of
325         data for incremental input file entry.
326         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
327         (Incremental_input_entry_reader::get_comdat_group_signature): New
328         function.
329         * object.cc (Sized_relobj::include_section_group): Report kept
330         COMDAT groups for incremental links.
331
332 2011-05-24  David Meyer  <pdox@google.com>
333
334         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
335         with name parameter.  Add found_name parameter.
336         * fileread.cc (Input_file::find_file): Adjust code accordingly.
337         * dirsearch.h (class Dirsearch): Update declaration.
338
339 2011-05-24  Ian Lance Taylor  <iant@google.com>
340
341         * archive.cc (Library_base::should_include_member): Pull in object
342         from archive if it defines the entry symbol.
343         * parameters.cc (Parameters::entry): New function.
344         * parameters.h (class Parameters): Declare entry.
345         * output.h (class Output_file_header): Remove entry_ field.
346         * output.cc (Output_file_header::Output_file_header): Remove entry
347         parameter.  Change all callers.
348         (Output_file_header::entry): Use parameters->entry.
349         * gold.cc (queue_middle_tasks): Likewise.
350         * plugin.cc (Plugin_hook::run): Likewise.
351
352 2011-05-24 Cary Coutant  <ccoutant@google.com>
353
354         * gold.cc (queue_initial_tasks): Pass incremental base filename
355         to Output_file::open_base_file; don't print error message.
356         * incremental-dump.cc (main): Adjust call to
357         Output_file::open_for_modification.
358         * incremental-dump.cc (main): Likewise.
359         * incremental.cc (Incremental_inputs::report_command_line):
360         Ignore --incremental-base option when comparing command lines.
361         Ignore parameter when given as separate argument.
362         * options.h (class General_options): Add --incremental-base.
363         * output.cc (Output_file::Output_file):
364         (Output_file::open_base_file): Add base_name and writable parameters;
365         read base file into new file; print error message here.
366         (Output_file::map_no_anonymous): Add writable parameter; adjust all
367         callers.
368         * output.h (Output_file::open_for_modification): Rename to...
369         (Output_file::open_base_file): ...this; add base_name and
370         writable parameters; adjust all callers.
371         (Output_file::map_no_anonymous): Add writable parameter; adjust all
372         callers.
373         * testsuite/Makefile.am (incremental_test_4): Test
374         --incremental-base.
375         * testsuite/Makefile.in: Regenerate.
376
377 2011-05-24 Cary Coutant  <ccoutant@google.com>
378
379         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
380         incremental_test_4.
381         * testsuite/Makefile.in: Regenerate.
382         * testsuite/two_file_test_1_v1.cc: New test source file.
383         * testsuite/two_file_test_1b_v1.cc: New test source file.
384         * testsuite/two_file_test_2_v1.cc: New test source file.
385
386 2011-05-24 Cary Coutant  <ccoutant@google.com>
387
388         * dynobj.h (Dynobj::do_dynobj): New function.
389         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
390         flag and soname for shared objects.
391         * incremental.cc (Incremental_inputs::report_object): Make
392         either Incremental_object_entry or Incremental_dynobj_entry; add
393         soname to string table.
394         (Incremental_inputs::report_input_section): Add assertion.
395         (Output_section_incremental_inputs::set_final_data_size): Adjust
396         type of input file entry for shared libraries; adjust size of
397         shared library info entry.
398         (Output_section_incremental_inputs::write_input_files): Write
399         as_needed flag for shared libraries.
400         (Output_section_incremental_inputs::write_info_blocks): Adjust type
401         of input file entry for shared libraries; write soname.
402         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
403         soname from incremental info.
404         * incremental.h (enum Incremental_input_flags): Add
405         INCREMENTAL_INPUT_AS_NEEDED.
406         (Incremental_input_entry::Incremental_input_entry): Initialize new
407         data member.
408         (Incremental_input_entry::set_as_needed): New function.
409         (Incremental_input_entry::as_needed): New function.
410         (Incremental_input_entry::do_dynobj_entry): New function.
411         (Incremental_input_entry::as_needed_): New data member.
412         (Incremental_object_entry::Incremental_object_entry): Don't check
413         for shared library.
414         (Incremental_object_entry::do_type): Likewise.
415         (class Incremental_dynobj_entry): New class.
416         (Incremental_input_entry_reader::as_needed): New function.
417         (Incremental_input_entry_reader::get_soname): New function.
418         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
419         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
420         size of shared library info entry.
421         * layout.cc (Layout::finish_dynamic_section): Don't test for 
422         incremental link when adding DT_NEEDED entries.
423         * object.h (Object::Object): Initialize new data member.
424         (Object::dynobj): New function.
425         (Object::set_as_needed): New function.
426         (Object::as_needed): New function.
427         (Object::do_dynobj): New function.
428         (Object::as_needed_): New data member.
429
430 2011-05-24 Cary Coutant  <ccoutant@google.com>
431
432         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
433         info; adjust display of GOT entries.
434         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
435         vector of input objects; remove file_status_.
436         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
437         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
438         got_plt reader; call target hooks to reserve GOT entries.
439         (Output_section_incremental_inputs::set_final_data_size): Adjust size
440         of input file info header and GOT info entry.
441         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
442         relocation info.
443         (Got_plt_view_info::got_descriptor): Remove.
444         (Got_plt_view_info::sym_index): New data member.
445         (Got_plt_view_info::input_index): New data member.
446         (Local_got_offset_visitor::visit): Write input file index.
447         (Global_got_offset_visitor::visit): Write 0 for input file index.
448         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
449         with sym_index and input_index.
450         (Output_section_incremental_inputs::write_got_plt): Adjust size of
451         incremental info GOT entry; replace got_descriptor with input_index.
452         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
453         map from input file index to object.
454         (Sized_relobj_incr::do_layout): Replace direct data member reference
455         with accessor function.
456         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
457         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
458         Adjust size of input file info header.
459         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
460         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
461         (Incremental_input_entry_reader::get_input_section): Adjust size of
462         input file info header.
463         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
464         of incremental info GOT entry.
465         (Incremental_got_plt_reader::get_got_desc): Remove.
466         (Incremental_got_plt_reader::get_got_symndx): New function.
467         (Incremental_got_plt_reader::get_got_input_index): New function.
468         (Sized_incremental_binary::Sized_incremental_binary): Remove
469         file_status_; add input_objects_.
470         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
471         (Sized_incremental_binary::set_file_is_unchanged): Remove.
472         (Sized_incremental_binary::file_is_unchanged): Remove.
473         (Sized_incremental_binary::set_input_object): New function.
474         (Sized_incremental_binary::input_object): New function.
475         (Sized_incremental_binary::file_status_): Remove.
476         (Sized_incremental_binary::input_objects_): New data member.
477         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
478         references.
479         (Sized_relobj_incr::invalid_address): Move to base class.
480         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
481         class.
482         (Sized_relobj_incr::do_output_section_offset): Likewise.
483         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
484         (Sized_relobj_incr::section_offsets_): Likewise.
485         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
486         function.
487         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
488         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
489         with accessor function.
490         (Sized_relobj_file::do_layout): Likewise.
491         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
492         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
493         (Sized_relobj_file::compute_final_local_value): Replace refs to
494         section_offsets_ with accessor function.
495         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
496         * object.h (Relobj::Relobj): Initialize new data members.
497         (Relobj::add_dyn_reloc): New function.
498         (Relobj::first_dyn_reloc): New function.
499         (Relobj::dyn_reloc_count): New function.
500         (Relobj::first_dyn_reloc_): New data member.
501         (Relobj::dyn_reloc_count_): New data member.
502         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
503         references.
504         (Sized_relobj::Address): New typedef.
505         (Sized_relobj::invalid_address): Move here from child class.
506         (Sized_relobj::Sized_relobj): Initialize new data members.
507         (Sized_relobj::sized_relobj): New function.
508         (Sized_relobj::is_output_section_offset_invalid): Move here from
509         child class.
510         (Sized_relobj::get_output_section_offset): Likewise.
511         (Sized_relobj::local_has_got_offset): Likewise.
512         (Sized_relobj::local_got_offset): Likewise.
513         (Sized_relobj::set_local_got_offset): Likewise.
514         (Sized_relobj::do_for_all_local_got_entries): Likewise.
515         (Sized_relobj::clear_got_offsets): New function.
516         (Sized_relobj::section_offsets): Move here from child class.
517         (Sized_relobj::do_output_section_offset): Likewise.
518         (Sized_relobj::do_set_section_offset): Likewise.
519         (Sized_relobj::Local_got_offsets): Likewise.
520         (Sized_relobj::local_got_offsets_): Likewise.
521         (Sized_relobj::section_offsets_): Likewise.
522         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
523         references.
524         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
525         class.
526         (Sized_relobj_file::sized_relobj): New function
527         (Sized_relobj_file::local_has_got_offset): Move to base class.
528         (Sized_relobj_file::local_got_offset): Likewise.
529         (Sized_relobj_file::set_local_got_offset): Likewise.
530         (Sized_relobj_file::get_output_section_offset): Likewise.
531         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
532         (Sized_relobj_file::do_output_section_offset): Likewise.
533         (Sized_relobj_file::do_set_section_offset): Likewise.
534         (Sized_relobj_file::Local_got_offsets): Likewise.
535         (Sized_relobj_file::local_got_offsets_): Likewise.
536         (Sized_relobj_file::section_offsets_): Likewise.
537         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
538         (all constructors).
539         (set_needs_dynsym_index): Convert relobj to derived class pointer.
540         (Output_reloc::get_symbol_index): Likewise.
541         (Output_reloc::local_section_offset): Likewise.
542         (Output_reloc::get_address): Likewise.
543         (Output_reloc::symbol_value): Likewise.
544         (Output_data_got::reserve_slot): Move to class definition.
545         (Output_data_got::reserve_local): New function.
546         (Output_data_got::reserve_slot_for_global): Remove.
547         (Output_data_got::reserve_global): New function.
548         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
549         (all constructors, two instantiations).
550         (Output_reloc::get_relobj): New function (two instantiations).
551         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
552         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
553         (Output_data_reloc::add_global): Adjust type of relobj.
554         (Output_data_reloc::add_global_relative): Likewise.
555         (Output_data_reloc::add_symbolless_global_addend): Likewise.
556         (Output_data_reloc::add_local): Likewise.
557         (Output_data_reloc::add_local_relative): Likewise.
558         (Output_data_reloc::add_symbolless_local_addend): Likewise.
559         (Output_data_reloc::add_local_section): Likewise.
560         (Output_data_reloc::add_output_section): Likewise.
561         (Output_data_reloc::add_absolute): Likewise.
562         (Output_data_reloc::add_target_specific): Likewise.
563         (Output_data_got::reserve_slot): Move definition here.
564         (Output_data_got::reserve_local): New function.
565         (Output_data_got::reserve_global): New function.
566         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
567         section_offsets_ with accessor function.
568         (Sized_relobj_file::write_sections): Likewise.
569         (Sized_relobj_file::do_relocate_sections): Likewise.
570         * target.h (Sized_target::reserve_local_got_entry): New function.
571         (Sized_target::reserve_global_got_entry): New function.
572         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
573         (Target_x86_64::reserve_global_got_entry): New function.
574         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
575
576 2011-05-23 Cary Coutant  <ccoutant@google.com>
577
578         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
579         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
580         bit when checking got_type.
581         * incremental.cc (Sized_incremental_binary::setup_readers):
582         Store symbol table and string table locations; initialize bit vector
583         of file status flags.
584         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
585         unchanged files.
586         (Sized_incremental_binary::do_process_got_plt): New function.
587         (Sized_incremental_binary::get_symtab_view): Use stored locations.
588         (Output_section_incremental_inputs::set_final_data_size): Record
589         file index for each input file.
590         (Output_section_incremental_inputs::write_got_plt): Store file index
591         instead of input entry offset for each GOT entry.
592         * incremental.h
593         (Incremental_input_entry::Incremental_input_entry): Initialize new
594         data member.
595         (Incremental_input_entry::set_offset): Store file index.
596         (Incremental_input_entry::get_file_index): New function.
597         (Incremental_input_entry::file_index_): New data member.
598         (Incremental_binary::process_got_plt): New function.
599         (Incremental_binary::do_process_got_plt): New function.
600         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
601         data members.
602         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
603         (Sized_incremental_binary::set_file_is_unchanged): New function.
604         (Sized_incremental_binary::file_is_unchanged): New function.
605         (Sized_incremental_binary::do_process_got_plt): New function.
606         (Sized_incremental_binary::file_status_): New data member.
607         (Sized_incremental_binary::main_symtab_loc_): New data member.
608         (Sized_incremental_binary::main_strtab_loc_): New data member.
609         * output.cc (Output_data_got::Got_entry::write): Add case
610         RESERVED_CODE.
611         (Output_data_got::add_global): Call add_got_entry.
612         (Output_data_got::add_global_plt): Likewise.
613         (Output_data_got::add_global_with_rel): Likewise.
614         (Output_data_got::add_global_with_rela): Likewise.
615         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
616         (Output_data_got::add_global_pair_with_rela): Likewise.
617         (Output_data_got::add_local): Call add_got_entry.
618         (Output_data_got::add_local_plt): Likewise.
619         (Output_data_got::add_local_with_rel): Likewise.
620         (Output_data_got::add_local_with_rela): Likewise.
621         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
622         (Output_data_got::add_local_pair_with_rela): Likewise.
623         (Output_data_got::reserve_slot): New function.
624         (Output_data_got::reserve_slot_for_global): New function.
625         (Output_data_got::add_got_entry): New function.
626         (Output_data_got::add_got_entry_pair): New function.
627         (Output_section::add_output_section_data): Edit FIXME.
628         * output.h
629         (Output_section_data_build::Output_section_data_build): New
630         constructor with size parameter.
631         (Output_data_space::Output_data_space): Likewise.
632         (Output_data_got::Output_data_got): Initialize new data member; new
633         constructor with size parameter.
634         (Output_data_got::add_constant): Call add_got_entry.
635         (Output_data_got::reserve_slot): New function.
636         (Output_data_got::reserve_slot_for_global): New function.
637         (class Output_data_got::Got_entry): Add RESERVED_CODE.
638         (Output_data_got::add_got_entry): New function.
639         (Output_data_got::add_got_entry_pair): New function.
640         (Output_data_got::free_list_): New data member.
641         * target.h (Sized_target::init_got_plt_for_update): New function.
642         (Sized_target::register_global_plt_entry): New function.
643         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
644         Initialize new data member; call init; add constructor with PLT count.
645         (Output_data_plt_x86_64::init): New function.
646         (Output_data_plt_x86_64::add_relocation): New function.
647         (Output_data_plt_x86_64::reserve_slot): New function.
648         (Output_data_plt_x86_64::free_list_): New data member.
649         (Target_x86_64::init_got_plt_for_update): New function.
650         (Target_x86_64::register_global_plt_entry): New function.
651         (Output_data_plt_x86_64::add_entry): Allocate from free list for
652         incremental updates.
653         (Output_data_plt_x86_64::add_relocation): New function.
654         * testsuite/object_unittest.cc (Object_test): Set default options.
655
656 2011-05-16  Ian Lance Taylor  <iant@google.com>
657
658         * options.h (class General_options): Make -i a synonym for -r.
659
660 2011-05-16  Ian Lance Taylor  <iant@google.com>
661
662         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
663
664 2011-05-10 Cary Coutant  <ccoutant@google.com>
665
666         * object.cc (Sized_relobj::do_count_local_symbols): Check for
667         strip_all (-s).
668
669 2011-05-06  Ian Lance Taylor  <iant@google.com>
670
671         * layout.cc (Layout::layout): If the output section flags change,
672         update the ordering.
673
674 2011-04-25 Cary Coutant  <ccoutant@google.com>
675
676         * incremental-dump.cc (dump_incremental_inputs): Print local
677         symbol info for each input file.
678         * incremental.cc
679         (Output_section_incremental_inputs::set_final_data_size): Add local
680         symbol info to input file entries in incremental info.
681         (Output_section_incremental_inputs::write_info_blocks): Likewise.
682         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
683         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
684         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
685         implementation.
686         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
687         (Sized_incr_relobj::do_relocate): Write the local symbols.
688         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
689         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
690         Adjust size of input file header.
691         (Incremental_inputs_reader::get_local_symbol_offset): New function.
692         (Incremental_inputs_reader::get_local_symbol_count): New function.
693         (Incremental_inputs_reader::get_input_section): Adjust size of input
694         file header.
695         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
696         (Sized_incr_relobj::This): New typedef.
697         (Sized_incr_relobj::sym_size): New const data member.
698         (Sized_incr_relobj::Local_symbol): New struct.
699         (Sized_incr_relobj::do_output_local_symbol_count): New function.
700         (Sized_incr_relobj::do_local_symbol_offset): New function.
701         (Sized_incr_relobj::local_symbol_count_): New data member.
702         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
703         (Sized_incr_relobj::local_symbol_index_): New data member.
704         (Sized_incr_relobj::local_symbol_offset_): New data member.
705         (Sized_incr_relobj::local_dynsym_offset_): New data member.
706         (Sized_incr_relobj::local_symbols_): New data member.
707         * object.h (Relobj::output_local_symbol_count): New function.
708         (Relobj::local_symbol_offset): New function.
709         (Relobj::do_output_local_symbol_count): New function.
710         (Relobj::do_local_symbol_offset): New function.
711         (Sized_relobj::do_output_local_symbol_count): New function.
712         (Sized_relobj::do_local_symbol_offset): New function.
713
714 2011-04-22  Vladimir Simonov  <sv@sw.ru>
715
716         * descriptors.cc (set_close_on_exec): New function.
717         (Descriptors::open): Use set_close_on_exec.
718         * output.cc (S_ISLNK): Define if not defined.
719
720 2011-04-22 Cary Coutant  <ccoutant@google.com>
721
722         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
723         global symbol map.
724         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
725         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
726         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
727         relocations.
728         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
729         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
730         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
731         * incremental.h
732         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
733         function.
734         (Incremental_binary::apply_incremental_relocs): New function.
735         (Incremental_binary::do_apply_incremental_relocs): New function.
736         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
737         data member.
738         (Sized_incremental_binary::add_global_symbol): New function.
739         (Sized_incremental_binary::global_symbol): New function.
740         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
741         (Sized_incremental_binary::symbol_map_): New data member.
742         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
743         * target.h (Sized_target::apply_relocation): New function.
744         * target-reloc.h (apply_relocation): New function.
745         * x86_64.cc (Target_x86_64::apply_relocation): New function.
746
747 2011-04-22  Doug Kwan  <dougkwan@google.com>
748
749         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
750         flag of a SHT_ARM_EXIDX section.
751         * testsuite/Makefile.am (arm_exidx_test): New test rules.
752         * testsuite/Makefile.in: Regenerate.
753         * testsuite/arm_exidx_test.s: New file.
754         * testsuite/arm_exidx_test.sh: Same.
755
756 2011-04-20 Cary Coutant  <ccoutant@google.com>
757
758         PR gold/12689
759         * archive.h (Incremental_archive_entry::Archive_member):
760         Initialize arg_serial_ (second constructor).
761
762 2011-04-17  Ian Lance Taylor  <iant@google.com>
763
764         * object.cc (Relocate_info::location): Simplify location string.
765         * errors.cc (Errors::error_at_location): Don't print program
766         name.
767         (Errors::warning_at_location): Likewise.
768         (Errors::undefined_symbol): Likewise.
769         * testsuite/debug_msg.sh: Update accordingly.
770
771 2011-04-14 Cary Coutant  <ccoutant@google.com>
772
773         * gold/layout.cc (Layout::symtab_section_offset): New function.
774         * gold/layout.h (Layout::symtab_section_offset): New function.
775         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
776
777 2011-04-12  Ian Lance Taylor  <iant@google.com>
778
779         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
780         with MREMAP_MAYMOVE.
781         * output.h (class Output_file): Add map_is_allocated_ field.
782         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
783         not available, provide stubs.  If mremap is not available, #define
784         it to gold_mremap.
785         (MREMAP_MAYMOVE): Define if not defined.
786         (Output_file::Output_file): Initialize map_is_allocated_.
787         (Output_file::resize): Check map_is_allocated_.
788         (Output_file::map_anonymous): If mmap fails, use malloc.
789         (Output_file::unmap): Don't do anything for an anonymous map.
790         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
791         is not available, provide stubs.
792         (File_read::View::~View): Use free rather than delete[].
793         (File_read::make_view): Use malloc rather than new[].  If mmap
794         fails, use malloc.
795         (File_read::find_or_make_view): Use malloc rather than new[].
796         * gold.h: Remove HAVE_REMAP code.
797         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
798         exists.  Rename mremap to gold_mremap.  If mmap is not available
799         don't do anything.
800         * configure, config.in: Rebuild.
801
802 2011-04-11  Ian Lance Taylor  <iant@google.com>
803
804         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
805         initialize local variable v.
806
807 2011-04-11  Cary Coutant  <ccoutant@google.com>
808
809         * archive.cc (Archive::include_member): Adjust call to
810         report_object.
811         (Add_archive_symbols::run): Track argument serial numbers.
812         (Lib_group::include_member): Likewise.
813         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
814         * archive.h (Incremental_archive_entry::Archive_member):
815         Initialize arg_serial_.
816         (Archive_member::arg_serial_): New data member.
817         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
818         (Sized_dynobj::do_add_symbols): Track symbols when doing an
819         incremental link.
820         (Sized_dynobj::do_for_all_local_got_entries): New function.
821         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
822         function.
823         * fileread.cc (get_mtime): New function.
824         * fileread.h (get_mtime): New function.
825         * gold.cc (queue_initial_tasks): Check for incremental update.
826         (process_incremental_input): New function.
827         (queue_middle_tasks): Don't force valid target for incremental
828         update.
829         * incremental-dump.cc (find_input_containing_global): Adjust
830         size of symbol info entry.
831         (dump_incremental_inputs): Dump argument serial number and
832         in_system_directory flag; bias shndx by 1; print symbol names
833         when dumping per-file symbol lists; use new symbol info readers.
834         * incremental.cc
835         (Output_section_incremental_inputs:update_data_size): New function.
836         (Sized_incremental_binary::setup_readers): Setup input readers
837         for each input file; build maps for files added from libraries
838         and scripts.
839         (Sized_incremental_binary::check_input_args): New function.
840         (Sized_incremental_binary::do_check_inputs): Build map of argument
841         serial numbers to input arguments.
842         (Sized_incremental_binary::do_file_has_changed): Rename
843         do_file_is_unchanged to this; compare file modification times.
844         (Sized_incremental_binary::do_init_layout): New function.
845         (Sized_incremental_binary::do_reserve_layout): New function.
846         (Sized_incremental_binary::do_get_input_reader): Remove.
847         (Sized_incremental_binary::get_symtab_view): New function.
848         (Incremental_checker::can_incrementally_link_output_file): Remove.
849         (Incremental_inputs::report_command_line): Exclude --debug options.
850         (Incremental_inputs::report_archive_begin): Add parameter; track
851         argument serial numbers; don't put input file entry for archive
852         before archive members.
853         (Incremental_inputs::report_archive_end): Put input file entry
854         for archive after archive members.
855         (Incremental_inputs::report_object): Add parameter; track argument
856         serial numbers and in_system_directory flag.
857         (Incremental_inputs::report_script): Add parameter; track argument
858         serial numbers.
859         (Output_section_incremental_inputs::set_final_data_size): Adjust
860         size of symbol info entry; check for forwarding symbols.
861         (Output_section_incremental_inputs::write_input_files): Write
862         in_system_directory flag and argument serial number.
863         (Output_section_incremental_inputs::write_info_blocks): Map section
864         indices between incremental info and original input file; store
865         input section index for each symbol.
866         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
867         change operator() to visit().
868         (class Global_got_offset_visitor): Likewise.
869         (class Global_symbol_visitor_got_plt):
870         (Output_section_incremental_inputs::write_got_plt): Use new visitor
871         classes.
872         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
873         (Sized_incr_relobj::do_read_symbols): New function.
874         (Sized_incr_relobj::do_layout): New function.
875         (Sized_incr_relobj::do_layout_deferred_sections): New function.
876         (Sized_incr_relobj::do_add_symbols): New function.
877         (Sized_incr_relobj::do_should_include_member): New function.
878         (Sized_incr_relobj::do_for_all_global_symbols): New function.
879         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
880         (Sized_incr_relobj::do_section_size): New function.
881         (Sized_incr_relobj::do_section_name): New function.
882         (Sized_incr_relobj::do_section_contents): New function.
883         (Sized_incr_relobj::do_section_flags): New function.
884         (Sized_incr_relobj::do_section_entsize): New function.
885         (Sized_incr_relobj::do_section_address): New function.
886         (Sized_incr_relobj::do_section_type): New function.
887         (Sized_incr_relobj::do_section_link): New function.
888         (Sized_incr_relobj::do_section_info): New function.
889         (Sized_incr_relobj::do_section_addralign): New function.
890         (Sized_incr_relobj::do_initialize_xindex): New function.
891         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
892         (Sized_incr_relobj::do_read_relocs): New function.
893         (Sized_incr_relobj::do_gc_process_relocs): New function.
894         (Sized_incr_relobj::do_scan_relocs): New function.
895         (Sized_incr_relobj::do_count_local_symbols): New function.
896         (Sized_incr_relobj::do_finalize_local_symbols): New function.
897         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
898         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
899         (Sized_incr_relobj::do_relocate): New function.
900         (Sized_incr_relobj::do_set_section_offset): New function.
901         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
902         (Sized_incr_dynobj::do_read_symbols): New function.
903         (Sized_incr_dynobj::do_layout): New function.
904         (Sized_incr_dynobj::do_add_symbols): New function.
905         (Sized_incr_dynobj::do_should_include_member): New function.
906         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
907         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
908         (Sized_incr_dynobj::do_section_size): New function.
909         (Sized_incr_dynobj::do_section_name): New function.
910         (Sized_incr_dynobj::do_section_contents): New function.
911         (Sized_incr_dynobj::do_section_flags): New function.
912         (Sized_incr_dynobj::do_section_entsize): New function.
913         (Sized_incr_dynobj::do_section_address): New function.
914         (Sized_incr_dynobj::do_section_type): New function.
915         (Sized_incr_dynobj::do_section_link): New function.
916         (Sized_incr_dynobj::do_section_info): New function.
917         (Sized_incr_dynobj::do_section_addralign): New function.
918         (Sized_incr_dynobj::do_initialize_xindex): New function.
919         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
920         (make_sized_incremental_object): New function.
921         (Incremental_library::copy_unused_symbols): New function.
922         (Incremental_library::do_for_all_unused_symbols): New function.
923         * incremental.h (enum Incremental_input_flags): New type.
924         (class Incremental_checker): Remove.
925         (Incremental_input_entry::Incremental_input_entry): Add argument
926         serial number.
927         (Incremental_input_entry::arg_serial): New function.
928         (Incremental_input_entry::set_is_in_system_directory): New function.
929         (Incremental_input_entry::is_in_system_directory): New function.
930         (Incremental_input_entry::arg_serial_): New data member.
931         (Incremental_input_entry::is_in_system_directory_): New data member.
932         (class Script_info): Move here from script.h.
933         (Script_info::Script_info): Add filename parameter.
934         (Script_info::filename): New function.
935         (Script_info::filename_): New data member.
936         (Incremental_script_entry::Incremental_script_entry): Add argument
937         serial number.
938         (Incremental_object_entry::Incremental_object_entry): Likewise.
939         (Incremental_object_entry::add_input_section): Build list of input
940         sections with map to original shndx.
941         (Incremental_object_entry::get_input_section_index): New function.
942         (Incremental_object_entry::shndx_): New data member.
943         (Incremental_object_entry::name_key_): Rename; adjust all refs.
944         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
945         (Incremental_archive_entry::Incremental_archive_entry): Add argument
946         serial number.
947         (Incremental_inputs::report_archive_begin): Likewise.
948         (Incremental_inputs::report_object): Likewise.
949         (Incremental_inputs::report_script): Likewise.
950         (class Incremental_global_symbol_reader): New class.
951         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
952         and store flags and input file type.
953         (Incremental_input_entry_reader::arg_serial): New function.
954         (Incremental_input_entry_reader::type): Extract type from flags.
955         (Incremental_input_entry_reader::is_in_system_directory): New function.
956         (Incremental_input_entry_reader::get_input_section_count): Call
957         accessor function for type.
958         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
959         function for type; adjust size of global symbol entry.
960         (Incremental_input_entry_reader::get_global_symbol_count): Call
961         accessor function for type.
962         (Incremental_input_entry_reader::get_object_count): Likewise.
963         (Incremental_input_entry_reader::get_object_offset): Likewise.
964         (Incremental_input_entry_reader::get_member_count): Likewise.
965         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
966         (Incremental_input_entry_reader::get_member_offset): Likewise.
967         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
968         (Incremental_input_entry_reader::Global_symbol_info): Remove.
969         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
970         (Incremental_input_entry_reader::get_global_symbol_reader): New
971         function.
972         (Incremental_input_entry_reader::get_output_symbol_index): New
973         function.
974         (Incremental_input_entry_reader::type_): Remove.
975         (Incremental_input_entry_reader::flags_): New data member.
976         (Incremental_inputs_reader::input_file_offset): New function.
977         (Incremental_inputs_reader::input_file_index): New function.
978         (Incremental_inputs_reader::input_file): Call input_file_offset.
979         (Incremental_inputs_reader::input_file_at_offset): New function.
980         (Incremental_relocs_reader::get_r_type): Reformat.
981         (Incremental_relocs_reader::get_r_shndx): Reformat.
982         (Incremental_relocs_reader::get_r_offset): Reformat.
983         (Incremental_relocs_reader::data): New function.
984         (Incremental_binary::Incremental_binary): Initialize new data members.
985         (Incremental_binary::check_inputs): Add cmdline parameter.
986         (Incremental_binary::file_is_unchanged): Remove.
987         (Input_reader::arg_serial): New function.
988         (Input_reader::get_unused_symbol_count): New function.
989         (Input_reader::get_unused_symbol): New function.
990         (Input_reader::do_arg_serial): New function.
991         (Input_reader::do_get_unused_symbol_count): New function.
992         (Input_reader::do_get_unused_symbol): New function.
993         (Incremental_binary::input_file_count): New function.
994         (Incremental_binary::get_input_reader): Change signature to use
995         index instead of filename.
996         (Incremental_binary::file_has_changed): New function.
997         (Incremental_binary::get_input_argument): New function.
998         (Incremental_binary::get_library): New function.
999         (Incremental_binary::get_script_info): New function.
1000         (Incremental_binary::init_layout): New function.
1001         (Incremental_binary::reserve_layout): New function.
1002         (Incremental_binary::output_file): New function.
1003         (Incremental_binary::do_check_inputs): New function.
1004         (Incremental_binary::do_file_is_unchanged): Remove.
1005         (Incremental_binary::do_file_has_changed): New function.
1006         (Incremental_binary::do_init_layout): New function.
1007         (Incremental_binary::do_reserve_layout): New function.
1008         (Incremental_binary::do_input_file_count): New function.
1009         (Incremental_binary::do_get_input_reader): Change signature.
1010         (Incremental_binary::input_args_map_): New data member.
1011         (Incremental_binary::library_map_): New data member.
1012         (Incremental_binary::script_map_): New data member.
1013         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1014         new data members.
1015         (Sized_incremental_binary::output_section): New function.
1016         (Sized_incremental_binary::inputs_reader): Add const.
1017         (Sized_incremental_binary::symtab_reader): Add const.
1018         (Sized_incremental_binary::relocs_reader): Add const.
1019         (Sized_incremental_binary::got_plt_reader): Add const.
1020         (Sized_incremental_binary::get_symtab_view): New function.
1021         (Sized_incremental_binary::Inputs_reader): New typedef.
1022         (Sized_incremental_binary::Input_entry_reader): New typedef.
1023         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1024         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1025         (Sized_incremental_binary::do_file_has_changed): New function.
1026         (Sized_incremental_binary::do_init_layout): New function.
1027         (Sized_incremental_binary::do_reserve_layout): New function.
1028         (Sized_input_reader::Inputs_reader): Remove.
1029         (Sized_input_reader::Input_entry_reader): Remove.
1030         (Sized_input_reader::do_arg_serial): New function.
1031         (Sized_input_reader::do_get_unused_symbol_count): New function.
1032         (Sized_input_reader::do_get_unused_symbol): New function.
1033         (Sized_incremental_binary::do_input_file_count): New function.
1034         (Sized_incremental_binary::do_get_input_reader): Change signature;
1035         use index instead of filename.
1036         (Sized_incremental_binary::section_map_): New data member.
1037         (Sized_incremental_binary::input_entry_readers_): New data member.
1038         (class Sized_incr_relobj): New class.
1039         (class Sized_incr_dynobj): New class.
1040         (make_sized_incremental_object): New function.
1041         (class Incremental_library): New class.
1042         * layout.cc (Free_list::num_lists): New static data member.
1043         (Free_list::num_nodes): New static data member.
1044         (Free_list::num_removes): New static data member.
1045         (Free_list::num_remove_visits): New static data member.
1046         (Free_list::num_allocates): New static data member.
1047         (Free_list::num_allocate_visits): New static data member.
1048         (Free_list::init): New function.
1049         (Free_list::remove): New function.
1050         (Free_list::allocate): New function.
1051         (Free_list::dump): New function.
1052         (Free_list::print_stats): New function.
1053         (Layout_task_runner::run): Resize output file for incremental updates.
1054         (Layout::Layout): Initialize new data members.
1055         (Layout::set_incremental_base): New function.
1056         (Layout::init_fixed_output_section): New function.
1057         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1058         incremental updates.
1059         (Layout::create_gold_note): Do not create gold note section for
1060         incremental updates.
1061         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1062         for incremental updates.
1063         (Layout::set_section_offsets): For incremental updates, allocate space
1064         from free list.
1065         (Layout::create_symtab_sections): Layout with offsets relative to
1066         start of section; for incremental updates, allocate space from free
1067         list.
1068         (Layout::create_shdrs): For incremental updates, allocate space from
1069         free list.
1070         (Layout::finish_dynamic_section): For incremental updates, do not
1071         check --as-needed (fixed in subsequent patch).
1072         * layout.h (class Free_list): New class.
1073         (Layout::set_incremental_base): New function.
1074         (Layout::incremental_base): New function.
1075         (Layout::init_fixed_output_section): New function.
1076         (Layout::allocate): New function.
1077         (Layout::incremental_base_): New data member.
1078         (Layout::free_list_): New data member.
1079         * main.cc (main): Print Free_list statistics.
1080         * object.cc (Relobj::finalize_incremental_relocs): Add
1081         clear_counts parameter; clear counts only when clear_counts is set.
1082         (Sized_relobj::Sized_relobj): Initialize new base class.
1083         (Sized_relobj::do_layout): Don't report special sections.
1084         (Sized_relobj::do_for_all_local_got_entries): New function.
1085         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1086         symtab_off to all symbol table offsets.
1087         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1088         * object.h (class Got_offset_list): Move to top of file.
1089         (Object::Object): Allow case where input_file == NULL.
1090         (Object::~Object): Likewise.
1091         (Object::input_file): Assert that input_file != NULL.
1092         (Object::lock): Allow case where input_file == NULL.
1093         (Object::unlock): Likewise.
1094         (Object::is_locked): Likewise.
1095         (Object::token): Likewise.
1096         (Object::release): Likewise.
1097         (Object::is_incremental): New function.
1098         (Object::get_mtime): New function.
1099         (Object::for_all_local_got_entries): New function.
1100         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1101         (Object::set_is_in_system_directory): New function.
1102         (Object::is_in_system_directory): New function.
1103         (Object::do_is_incremental): New function.
1104         (Object::do_get_mtime): New function.
1105         (Object::do_for_all_local_got_entries): New function.
1106         (Object::is_in_system_directory_): New data member.
1107         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1108         (class Sized_relobj_base): New class.
1109         (class Sized_relobj): Derive from Sized_relobj_base.
1110         (class Sized_relobj::Symbols): Redeclare from base class.
1111         (class Sized_relobj::local_got_offset_list): Remove.
1112         (class Sized_relobj::Output_sections): Redeclare from base class.
1113         (class Sized_relobj::do_for_all_local_got_entries): New function.
1114         (class Sized_relobj::write_local_symbols): Add offset parameter.
1115         (class Sized_relobj::local_symbol_offset_): Update comment.
1116         (class Sized_relobj::local_dynsym_offset_): Update comment.
1117         * options.cc (Input_arguments::add_file): Remove const.
1118         * options.h (Input_file_argument::Input_file_argument):
1119         Initialize arg_serial_ (all constructors).
1120         (Input_file_argument::set_arg_serial): New function.
1121         (Input_file_argument::arg_serial): New function.
1122         (Input_file_argument::arg_serial_): New data member.
1123         (Input_arguments::Input_arguments): Initialize file_count_.
1124         (Input_arguments::add_file): Remove const.
1125         (Input_arguments::number_of_input_files): New function.
1126         (Input_arguments::file_count_): New data member.
1127         (Command_line::number_of_input_files): Call
1128         Input_arguments::number_of_input_files.
1129         * output.cc (Output_segment_headers::Output_segment_headers):
1130         Set current size.
1131         (Output_section::Input_section::current_data_size): New function.
1132         (Output_section::Output_section): Initialize new data members.
1133         (Output_section::add_input_section): Don't do merge sections for
1134         an incremental link; allocate space from free list for an
1135         incremental update.
1136         (Output_section::add_output_section_data): Allocate space from
1137         free list for an incremental update.
1138         (Output_section::update_data_size): New function.
1139         (Output_section::set_fixed_layout): New function.
1140         (Output_section::reserve): New function.
1141         (Output_segment::set_section_addresses): Remove const.
1142         (Output_segment::set_section_list_addresses): Remove const; allocate
1143         space from free list for an incremental update.
1144         (Output_segment::set_offset): Adjust size of RELRO segment for an
1145         incremental update.
1146         * output.h (Output_data::current_data_size): Move here from
1147         child classes.
1148         (Output_data::pre_finalize_data_size): New function.
1149         (Output_data::update_data_size): New function.
1150         (Output_section_headers::update_data_size): new function.
1151         (Output_section_data_build::current_data_size): Move to Output_data.
1152         (Output_data_strtab::update_data_size): New function.
1153         (Output_section::current_data_size): Move to Output_data.
1154         (Output_section::set_fixed_layout): New function.
1155         (Output_section::has_fixed_layout): New function.
1156         (Output_section::reserve): New function.
1157         (Output_section::update_data_size): New function.
1158         (Output_section::has_fixed_layout_): New data member.
1159         (Output_section::free_list_): New data member.
1160         (Output_segment::set_section_addresses): Remove const.
1161         (Output_segment::set_section_list_addresses): Remove const.
1162         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1163         New function.
1164         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1165         New function.
1166         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1167         parameter when calling Add_symbols constructor; store argument
1168         serial number for members of a lib group.
1169         (Add_symbols::locks): Allow case where token == NULL.
1170         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1171         (Read_member::~Read_member): New function.
1172         (Read_member::is_runnable): New function.
1173         (Read_member::locks): New function.
1174         (Read_member::run): New function.
1175         (Check_script::~Check_script): New function.
1176         (Check_script::is_runnable): New function.
1177         (Check_script::locks): New function.
1178         (Check_script::run): New function.
1179         (Check_library::~Check_library): New function.
1180         (Check_library::is_runnable): New function.
1181         (Check_library::locks): New function.
1182         (Check_library::run): New function.
1183         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1184         (Add_symbols::library_): New data member.
1185         (class Read_member): New class.
1186         (class Check_script): New class.
1187         (class Check_library): New class.
1188         * reloc.cc (Read_relocs::is_runnable): Allow case where
1189         token == NULL.
1190         (Read_relocs::locks): Likewise.
1191         (Scan_relocs::locks): Likewise.
1192         (Relocate_task::locks): Likewise.
1193         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1194         to clear counters.
1195         (Sized_relobj::incremental_relocs_scan): Fix comment.
1196         (Sized_relobj::do_relocate): Pass output file offset to
1197         write_local_symbols.
1198         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1199         from class declaration.
1200         * script.cc (read_input_script): Allocate Script_info; pass
1201         argument serial number to report_script.
1202         * script.h (class Script_info): Move to incremental.h.
1203         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1204         * symtab.h (Symbol_table::add_from_incrobj): New function.
1205         (Symbol_table::set_file_offset): New function.
1206
1207 2011-04-05  Cary Coutant  <ccoutant@google.com>
1208
1209         * incremental-dump.cc (dump_incremental_inputs): Change signature
1210         to take a Sized_incremental_binary; change caller.  Use readers
1211         in Sized_incremental_binary.
1212         * incremental.cc
1213         (Sized_incremental_binary::find_incremental_inputs_sections):
1214         Rename do_find_incremental_inputs_sections to this.
1215         (Sized_incremental_binary::setup_readers): New function.
1216         (Sized_incremental_binary::do_check_inputs): Check
1217         has_incremental_info_ flag; move setup code to setup_readers;
1218         use input readers.
1219         (Sized_incremental_binary::do_file_is_unchanged): New function.
1220         (Sized_incremental_binary::do_get_input_reader): New function.
1221         * incremental.h (class Incremental_binary): Move to end of file.
1222         (Incremental_binary::file_is_unchanged): New function.
1223         (Incremental_binary::do_file_is_unchanged): New function.
1224         (Incremental_binary::Input_reader): New class.
1225         (Incremental_binary::get_input_reader): New function.
1226         (class Sized_incremental_binary): Move to end of file.
1227         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1228         input section reader classes.
1229         (Sized_incremental_binary::has_incremental_info): New function.
1230         (Sized_incremental_binary::inputs_reader): New function.
1231         (Sized_incremental_binary::symtab_reader): New function.
1232         (Sized_incremental_binary::relocs_reader): New function.
1233         (Sized_incremental_binary::got_plt_reader): New function.
1234         (Sized_incremental_binary::do_file_is_unchanged): New function.
1235         (Sized_incremental_binary::Sized_input_reader): New class.
1236         (Sized_incremental_binary::get_input_reader): New function.
1237         (Sized_incremental_binary::find_incremental_inputs_sections):
1238         Rename do_find_incremental_inputs_sections to this.
1239         (Sized_incremental_binary::setup_readers): New function.
1240         (Sized_incremental_binary::has_incremental_info_): New data member.
1241         (Sized_incremental_binary::inputs_reader_): New data member.
1242         (Sized_incremental_binary::symtab_reader_): New data member.
1243         (Sized_incremental_binary::relocs_reader_): New data member.
1244         (Sized_incremental_binary::got_plt_reader_): New data member.
1245         (Sized_incremental_binary::current_input_file_): New data member.
1246
1247 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1248
1249         PR gold/12640
1250         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1251         violation.
1252
1253 2011-03-30  Cary Coutant  <ccoutant@google.com>
1254
1255         * archive.cc (Archive::include_member): Adjust call to report_object.
1256         (Add_archive_symbols::run): Add script_info to call to
1257         report_archive_begin.
1258         (Lib_group::include_member): Adjust call to report_object.
1259         (Add_lib_group_symbols::run): Adjust call to report_object.
1260         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1261         blocks.  Add object count for script input files.
1262         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1263         script_info parameter; change all callers.
1264         (Incremental_inputs::report_object): Add script_info parameter;
1265         change all callers.
1266         (Incremental_inputs::report_script): Store backpointer to
1267         incremental info entry.
1268         (Output_section_incremental_inputs::set_final_data_size): Record
1269         additional information for scripts.
1270         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1271         * incremental.h (Incremental_script_entry::add_object): New function.
1272         (Incremental_script_entry::get_object_count): New function.
1273         (Incremental_script_entry::get_object): New function.
1274         (Incremental_script_entry::objects_): New data member; adjust
1275         constructor.
1276         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1277         (Incremental_inputs::report_object): Add script_info parameter.
1278         (Incremental_inputs_reader::get_object_count): New function.
1279         (Incremental_inputs_reader::get_object_offset): New function.
1280         * options.cc (Input_arguments::add_file): Return reference to
1281         new input argument.
1282         * options.h (Input_argument::set_script_info): New function.
1283         (Input_argument::script_info): New function.
1284         (Input_argument::script_info_): New data member; adjust all
1285         constructors.
1286         (Input_file_group::add_file): Return reference to new input argument.
1287         (Input_file_lib::add_file): Likewise.
1288         (Input_arguments::add_file): Likewise.
1289         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1290         * script.cc (Parser_closure::Parser_closure): Add script_info
1291         parameter; adjust all callers.
1292         (Parser_closure::script_info): New function.
1293         (Parser_closure::script_info_): New data member.
1294         (read_input_script): Report scripts earlier to incremental info.
1295         (script_add_file): Set script_info in Input_argument.
1296         (script_add_library): Likewise.
1297         * script.h (Script_options::Script_info): Rewrite class.
1298
1299 2011-03-29  Cary Coutant  <ccoutant@google.com>
1300
1301         * archive.cc (Library_base::should_include_member): Move
1302         method here from class Archive.
1303         (Archive::Archive): Initialize base class.
1304         (Archive::should_include_member): Move to base class.
1305         (Archive::do_for_all_unused_symbols): New function.
1306         (Add_archive_symbols::run): Remove redundant access to
1307         incremental_inputs.
1308         (Lib_group::Lib_group): Initialize base class.
1309         (Lib_group::do_filename): New function.
1310         (Lib_group::include_member): Pass pointer to Lib_group to
1311         report_object.
1312         (Lib_group::do_for_all_unused_symbols): New function.
1313         (Add_lib_group_symbols::run): Report archive information for
1314         incremental links.
1315         * archive.h (class Library_base): New base class.
1316         (class Archive): Derive from Library_base.
1317         (Archive::filename): Move to base class.
1318         (Archive::set_incremental_info): Likewise.
1319         (Archive::incremental_info): Likewise.
1320         (Archive::Should_include): Likewise.
1321         (Archive::should_include_member): Likewise.
1322         (Archive::Armap_entry): Remove.
1323         (Archive::Unused_symbol_iterator): Remove.
1324         (Archive::unused_symbols_begin): Remove.
1325         (Archive::unused_symbols_end): Remove.
1326         (Archive::do_filename): New function.
1327         (Archive::do_get_mtime): New function.
1328         (Archive::do_for_all_unused_symbols): New function.
1329         (Archive::task_): Move to base class.
1330         (Archive::incremental_info_): Likewise.
1331         (class Lib_group): Derive from Library_base.
1332         (Lib_group::do_filename): New function.
1333         (Lib_group::do_get_mtime): New function.
1334         (Lib_group::do_for_all_unused_symbols): New function.
1335         (Lib_group::task_): Move to base class.
1336         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1337         function.
1338         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1339         function.
1340         * incremental.cc (Incremental_inputs::report_archive_begin):
1341         Use Library_base; call library's get_mtime; add incremental inputs
1342         entry before members.
1343         (class Unused_symbol_visitor): New class.
1344         (Incremental_inputs::report_archive_end): Use Library_base; use
1345         visitor class to record unused symbols; don't add incremental inputs
1346         entry after members.
1347         (Incremental_inputs::report_object): Use Library_base.
1348         * incremental.h
1349         (Incremental_archive_entry::Incremental_archive_entry): Remove
1350         unused Archive parameter.
1351         (Incremental_inputs::report_archive_begin): Use Library_base.
1352         (Incremental_inputs::report_archive_end): Likewise.
1353         (Incremental_inputs::report_object): Likewise.
1354         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1355         function.
1356         * object.h (Object::for_all_global_symbols): New function.
1357         (Object::do_for_all_global_symbols): New function.
1358         (Sized_relobj::do_for_all_global_symbols): New function.
1359         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1360         function.
1361         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1362         function.
1363
1364 2011-03-27  Ian Lance Taylor  <iant@google.com>
1365
1366         * archive.cc (Archive::interpret_header): Return -1 if something
1367         goes wrong.  Change callers accordingly.
1368
1369 2011-03-25  Cary Coutant  <ccoutant@google.com>
1370
1371         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1372         * testsuite/Makefile.in: Regenerate.
1373
1374 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1375
1376         * plugin.cc (get_view): New.
1377         (Plugin::load): Pass get_view to the plugin.
1378         (Plugin_manager::get_view): New.
1379
1380 2011-03-21  Ian Lance Taylor  <iant@google.com>
1381
1382         * testsuite/final_layout.sh: Rewrite to not use dc.
1383         * testsuite/relro_test.sh: Fail if dc is not present.
1384
1385 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1386
1387         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1388         Change == to -eq.
1389         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1390         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1391         Change == to -eq.
1392         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1393         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1394
1395 2011-03-14  Ian Lance Taylor  <iant@google.com>
1396
1397         * script-sections.cc (Sort_output_sections::script_compare):
1398         Rename from is_before, change return type.
1399         (Sort_output_sections::operator()): Adjust accordingly.
1400
1401 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1402
1403         PR gold/12572
1404         * testsuite/odr_violation2.cc: Add comment to make all error line
1405         numbers double digits.
1406         * testsuite/debug_msg.sh: Adjust expected errors.
1407
1408 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1409
1410         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1411         but mark earlier ones as non-canonical
1412         (offset_to_iterator): Update search target and example
1413         (do_addr2line): Return extra lines in a vector*
1414         (format_file_lineno): Extract from do_addr2line
1415         (one_addr2line): Add vector* out-param
1416         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1417         when a lineno entry appeared last for its instruction
1418         (Dwarf_line_info): Add vector* out-param
1419         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1420         * symtab.cc (Odr_violation_compare): Include the lineno in the
1421         comparison again.
1422         (linenos_from_loc): New. Combine the canonical line for an
1423         address with its other lines.
1424         (True_if_intersect): New. Helper functor to make
1425         std::set_intersection a query.
1426         (detect_odr_violations): Compare sets of lines instead of just
1427         one line for each function. This became less deterministic, but
1428         has fewer false positives.
1429         * symtab.h: Declarations.
1430         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1431         mix an optimized and non-optimized object in the same binary
1432         (odr_violation2.so): Same.
1433         * testsuite/Makefile.in: Regenerate from Makefile.am.
1434         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1435         * testsuite/debug_msg.sh: Update line numbers and add
1436         assertions.
1437         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1438         non-optimized context.
1439         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1440         isn't inlined, and use OdrDerived in an optimized context.
1441         * testsuite/odr_header1.h: Defines OdrDerived, where
1442         optimization will change the
1443         first-instruction-in-the-destructor's file and line number.
1444         * testsuite/odr_header2.h: Defines OdrBase.
1445
1446 2011-03-09  Ian Lance Taylor  <iant@google.com>
1447
1448         * fileread.cc (File_read::clear_views): Don't delete the whole
1449         file view.
1450
1451 2011-03-08  Ian Lance Taylor  <iant@google.com>
1452
1453         PR gold/12525
1454         * fileread.cc: #include <climits>.
1455         (GOLD_IOV_MAX): Define.
1456         (File_read::read_multiple): Limit number of entries by iov_max.
1457         * fileread.h (class File_read): Always set max_readv_entries to
1458         128.
1459
1460 2011-03-07  Ian Lance Taylor  <iant@google.com>
1461
1462         PR gold/12525
1463         * options.h (class General_options): Add -dy and -dn.
1464
1465 2011-03-02  Cary Coutant  <ccoutant@google.com>
1466
1467         * testsuite/script_test_9.t: Add TLS segment.
1468
1469 2011-03-02  Simon Baldwin  <simonb@google.com>
1470
1471         * configure.ac: Add check for gnu_indirect_function support in
1472         the toolchain building binutils.
1473         * configure: Rebuild.
1474
1475 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1476
1477         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1478         plugin only symbols.
1479         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1480         in plugin files as not needed in the symbol table.
1481
1482 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1483
1484         * output.cc (Output_section::add_input_section): Delay fill
1485         generation for section ordering.
1486
1487 2011-02-09  Ian Lance Taylor  <iant@google.com>
1488
1489         PR gold/12316
1490         * object.h (class Sized_relobj): Remove clear_local_symbols.
1491         * reloc.cc (Sized_relobj::do_relocate): Don't call
1492         clear_local_symbols.
1493
1494 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1495
1496         * plugin.cc (is_visible_from_outside): Return true for symbols
1497         in the -u option.
1498
1499 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1500
1501         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1502         filename.
1503
1504 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1505
1506         * icf.h (is_section_foldable_candidate): Change type of parameter
1507         to std::string.
1508         * icf.cc (Icf::find_identical_sections): Change type of local variable
1509         section_name to be std::string.
1510         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1511
1512 2011-01-25  Ian Lance Taylor  <iant@google.com>
1513
1514         * script.cc (script_add_extern): Rewrite to use
1515         add_symbol_reference.
1516
1517 2011-01-25  Doug Kwan  <dougkwan@google.com>
1518
1519         * icf.cc (get_section_contents): Always lock section's object.
1520
1521 2011-01-24  Ian Lance Taylor  <iant@google.com>
1522
1523         * options.h (class General_options): Accept
1524         --no-detect-odr-violations.
1525
1526 2011-01-24  Ian Lance Taylor  <iant@google.com>
1527
1528         * version.cc (version_string): Bump to 1.11.
1529
1530 2011-01-24  Ian Lance Taylor  <iant@google.com>
1531
1532         * plugin.cc (class Plugin_rescan): Define new class.
1533         (Plugin_manager::claim_file): Set any_claimed_.
1534         (Plugin_manager::save_archive): New function.
1535         (Plugin_manager::save_input_group): New function.
1536         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1537         necessary.
1538         (Plugin_manager::new_undefined_symbol): New function.
1539         (Plugin_manager::rescan): New function.
1540         (Plugin_manager::rescannable_defines): New function.
1541         (Plugin_manager::add_input_file): Set any_added_.
1542         * plugin.h (class Plugin_manager): define new fields rescannable_,
1543         undefined_symbols_, any_claimed_, and any_added_.  Declare
1544         Plugin_rescan as friend.  Declare new functions.
1545         (Plugin_manager::Rescannable): Define type.
1546         (Plugin_manager::Rescannable_list): Define type.
1547         (Plugin_manager::Undefined_symbol_list): Define type.
1548         (Plugin_manager::Plugin_manager): Initialize new fields.
1549         * archive.cc (Archive::defines_symbol): New function.
1550         (Add_archive_symbols::run): Pass archive to plugins if any.
1551         * archive.h (class Archive): Declare defines_symbol.
1552         * readsyms.cc (Input_group::~Input_group): New function.
1553         (Finish_group::run): Pass input_group to plugins if any.
1554         * readsyms.h (class Input_group): Declare destructor.
1555         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1556         any.
1557
1558 2011-01-10  Ian Lance Taylor  <iant@google.com>
1559
1560         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1561         section as relro.
1562         (Layout::set_segment_offsets): Reset increase_relro before calling
1563         set_section_addresses a second time.
1564
1565 2011-01-04  Cary Coutant  <ccoutant@google.com>
1566
1567         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1568         sections before NOBITS sections.
1569
1570 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1571
1572         * version.cc (print_version): Update copyright to 2011.
1573
1574 2010-12-23  Cary Coutant  <ccoutant@google.com>
1575
1576         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1577         of OS to this->add.  Add OD parameter to second form of the function.
1578
1579 2010-12-20  Ian Lance Taylor  <iant@google.com>
1580
1581         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1582         second of two consecutive entries with same offset.
1583
1584 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1585
1586         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1587         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1588         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1589         to avoid unneeded links against $(LDADD).
1590         * testsuite/Makefile.in: Regenerate.
1591
1592 2010-12-15  Ian Lance Taylor  <iant@google.com>
1593
1594         PR gold/12324
1595         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1596         for R_X86_64_32 and R_X86_64_PC32.
1597         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1598         ver_matching_def_pic.o.
1599         (ver_matching_def_pic.o): New target.
1600
1601 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1602
1603         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1604         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1605         Move definition before File_read::View member definitions.
1606         (File_read::View::~View): Initialize and hold lock before
1607         updating current_mapped_bytes.
1608
1609 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1610
1611         * dwarf_reader.cc: Remove outdated comment.
1612         * gold-threads.cc: Fix typo in error message.
1613         * archive.cc: Fix typos in comments.
1614         * archive.h: Likewise.
1615         * arm-reloc-property.cc: Likewise.
1616         * arm-reloc-property.h: Likewise.
1617         * arm-reloc.def: Likewise.
1618         * arm.cc: Likewise.
1619         * attributes.h: Likewise.
1620         * cref.cc: Likewise.
1621         * ehframe.cc: Likewise.
1622         * fileread.h: Likewise.
1623         * gold.h: Likewise.
1624         * i386.cc: Likewise.
1625         * icf.cc: Likewise.
1626         * incremental.h: Likewise.
1627         * int_encoding.cc: Likewise.
1628         * layout.h: Likewise.
1629         * main.cc: Likewise.
1630         * merge.h: Likewise.
1631         * object.cc: Likewise.
1632         * object.h: Likewise.
1633         * options.cc: Likewise.
1634         * readsyms.cc: Likewise.
1635         * reduced_debug_output.cc: Likewise.
1636         * reloc.cc: Likewise.
1637         * script-sections.cc: Likewise.
1638         * sparc.cc: Likewise.
1639         * symtab.h: Likewise.
1640         * target-reloc.h: Likewise.
1641         * target.cc: Likewise.
1642         * target.h: Likewise.
1643         * timer.cc: Likewise.
1644         * timer.h: Likewise.
1645         * x86_64.cc: Likewise.
1646
1647 2010-12-09  Cary Coutant  <ccoutant@google.com>
1648
1649         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1650         stack.
1651         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1652         parameter; change all callers.
1653         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1654         * options.h (warn_execstack): New option.
1655
1656 2010-12-07  Doug Kwan  <dougkwan@google.com>
1657
1658         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1659         like function call relocations.
1660
1661 2010-12-07  Ian Lance Taylor  <iant@google.com>
1662
1663         * archive.cc (Archive::get_elf_object_for_member): Permit
1664         punconfigured to be NULL.
1665         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1666         (Archive::include_member): Pass NULL to get_elf_object_for_member
1667         if we searched for the archive and this is the first included
1668         object.
1669
1670 2010-12-01  Ian Lance Taylor  <iant@google.com>
1671
1672         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1673         track_relocs_type_ field.
1674         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1675         Set track_relocs_type_.
1676         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1677         contents when using RELA relocs.
1678         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1679         reloc_map_.
1680         * reloc.cc (Track_relocs::next_addend): New function.
1681         * reloc.h (class Track_relocs): Declare next_addend.
1682
1683 2010-12-01  Ian Lance Taylor  <iant@google.com>
1684
1685         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1686         virtual destructor.
1687
1688 2010-12-01  Ian Lance Taylor  <iant@google.com>
1689
1690         * README: Update compilers known to work and fail.
1691
1692 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1693
1694         * configure.in: For --enable-gold, handle value `default' instead of
1695         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1696         not the default.
1697         * configure: Regenerate.
1698
1699 2010-11-18  Doug Kwan  <dougkwan@google.com>
1700
1701         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1702         and right_alignment to be zero.  Store result alignment only if it is
1703         greater than existing alignment.
1704
1705 2010-11-16  Cary Coutant  <ccoutant@google.com>
1706
1707         PR gold/12220
1708         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1709         Check for ".zdebug_line".
1710
1711 2010-11-16  Doug Kwan  <dougkwan@google.com>
1712             Cary Coutant  <ccoutant@google.com>
1713
1714         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1715         by reference; adjust all callers.
1716         * output.cc (Output_segment::set_section_addresses): Adjust references
1717         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1718         list is empty.
1719         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1720         end at page boundary.
1721
1722 2010-11-16  Cary Coutant  <ccoutant@google.com>
1723
1724         PR gold/12220
1725         * layout.cc (Layout::choose_output_section): Transform names of
1726         compressed sections even when using a script with a SECTIONS clause.
1727         (Layout::output_section_name): Remove code to transform
1728         compressed debug section names.
1729         * output.cc (Output_section::add_input_section): Use uncompressed
1730         section size when tracking input sections.
1731
1732 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1733
1734         * symtab.h (Symbol::NON_PIC_REF): Remove.
1735         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1736         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1737         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1738         (Symbol::use_plt_offset): Take a flags argument and pass it
1739         directly to needs_dynamic_reloc.  Restrict check for undefined
1740         weak symbols to function calls.
1741         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1742         (Target_arm::Scan::global): Use it.
1743         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1744         (Target_arm::Relocate::relocate): Likewise.
1745         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1746         parameter with an r_type parameter.  Use get_reference_flags
1747         to get the flags.
1748         (Target_arm::Relocate::relocate): Update accordingly.
1749         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1750         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1751         (Target_i386::Scan::global): Likewise.
1752         (Target_i386::Relocate::relocate): Likewise.
1753         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1754         parameter with an r_type parameter.  Use get_reference_flags
1755         to get the flags.
1756         (Target_i386::Relocate::relocate): Update accordingly.
1757         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1758         (Target_powerpc::Scan::global): Use it.
1759         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1760         (Target_powerpc::Relocate::relocate): Likewise.
1761         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1762         (Target_sparc::Scan::global): Use it.
1763         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1764         (Target_sparc::Relocate::relocate): Likewise.
1765         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1766         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1767         (Target_x86_64::Scan::global): Likewise.
1768         (Target_x86_64::Relocate::relocate): Likewise.
1769
1770 2010-11-08  Doug Kwan  <dougkwan@google.com>
1771             Cary Coutant  <ccoutant@google.com>
1772
1773         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1774         (Arm_exidx_merge_section::section_contents_): New data member.
1775         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1776         (Arm_input_section::~Arm_input_section): De-allocate memory.
1777         (Arm_input_section::original_contents_): New data member.       
1778         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1779         in parameters instead of calling Object::section_contents without
1780         locking.
1781         (Arm_output_section::group_section): New parameter TASK.  Pass it
1782         to callees that need locking objects.
1783         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1784         to lock EXIDX input sections.  Fix a formatting issue.  Call
1785         Arm_exidx_merged_section::build_contents to create merged section
1786         contents.
1787         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1788         to lock object of stub table owner.
1789         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1790         TEXT_SIZE to initialize data member TEXT_SIZE_.
1791         (Arm_exidx_input_section::addralign): Fix typo in comment.
1792         (Arm_exidx_input_section::text_size): New method.
1793         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1794         that require locking objects.  Lock objects before scanning for stubs
1795         and updating local symbols.
1796         (Arm_input_section<big_endian>::init): Copy contents of original
1797         input section.
1798         (Arm_input_section<big_endian>::do_write): Use saved contents of
1799         original input section instead of calling Object::section_contents
1800         without locking.
1801         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1802         size without calling Object::section_size().
1803         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1804         for size.  Allocate a buffer for merged EXIDX entries.
1805         (Arm_exidx_merged_section::build_contents): New method.
1806         (Arm_exidx_merged_section::do_write): Move merge section contents
1807         building code to Arm_exidx_merged_section::build_contetns.  Write
1808         out contetns in buffer instead of building it on the fly.
1809         (Arm_relobj::make_exidx_input_section): Also pass text section size
1810         to Arm_exidx_input_section constructor.
1811         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1812         (Arm_dynobj::do_read_symbols): Fix memory leak.
1813         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1814         * target.h: (class Task): Add forward declaration.
1815         (Target::relax): Add new parameter TASK and pass it to
1816         Target::do_relax().
1817         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1818
1819 2010-11-05  Cary Coutant  <ccoutant@google.com>
1820
1821         PR gold/10708
1822         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1823         object when reading from the file.
1824         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1825         second layout pass.
1826         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1827         when reading section contents.
1828         (get_section_contents): Likewise.
1829         (icf::find_identical_sections): Likewise.
1830         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1831         object when reading from the file.
1832         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1833         the object when doing deferred section layout.
1834
1835 2010-11-03  Nick Clifton  <nickc@redhat.com>
1836
1837         PR gold/12001
1838         * script.h (class Symbol_assignment: name): New member.  Returns
1839         the name of the symbol.
1840         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1841         Returns true if the given symbol name is on the list of
1842         assignments wating to be processed.
1843         * archive.cc (should_incldue_member): If the symbol is undefined,
1844         check to see if it is on the list of symbols pending assignment.
1845
1846 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1847
1848         * script-sections.cc (Script_sections::find_memory_region): Check
1849         for a NULL output section pointer.
1850
1851 2010-10-29  Doug Kwan  <dougkwan@google.com>
1852
1853         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1854         Output_section::add_relaxed_input_section.
1855         * output.cc (Output_section::add_relaxed_input_section): Add new
1856         arguments LAYOUT and NAME.  Set section order index.
1857         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1858         Copy section order index.
1859         * output.h (Output_section::add_relaxed_input_section): Add new
1860         arguments LAYOUT and NAME.
1861
1862 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1863
1864         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1865         NATIVE_OR_CROSS_LINKER.
1866         * testsuite/Makefile.in: Regenerate.
1867
1868 2010-10-20  Doug Kwan  <dougkwan@google.com>
1869
1870         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1871         without SHF_LINK_ORDER flags.
1872         * layout.cc (Layout::choose_output_section): Do not filter
1873         SHF_LINK_ORDER flag in a relocatable link.
1874
1875 2010-10-17  Cary Coutant  <ccoutant@google.com>
1876
1877         * output.h (Output_segment::set_section_addresses): Change function
1878         signature.  Update all callers.
1879         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1880         sections.
1881         (Output_segment::set_section_addresses): Align after last TLS
1882         section.  Add padding before last relro section instead of after.
1883
1884 2010-10-17  Doug Kwan  <dougkwan@google.com>
1885
1886         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1887         GOT output section to be writable.
1888
1889 2010-10-14  Cary Coutant  <ccoutant@google.com>
1890
1891         * debug.h (DEBUG_INCREMENTAL): New flag.
1892         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1893         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1894         mode.
1895         * incremental.cc (report_command_line): Ignore all forms of
1896         --incremental.
1897         * layout.cc (Layout::Layout): Check parameters for incremental link
1898         mode.
1899         * options.cc (General_options::parse_incremental): New function.
1900         (General_options::parse_no_incremental): New function.
1901         (General_options::parse_incremental_full): New function.
1902         (General_options::parse_incremental_update): New function.
1903         (General_options::incremental_mode_): New data member.
1904         (General_options::finalize): Check incremental_mode_.
1905         * options.h (General_options): Update help text for --incremental.
1906         Add --no-incremental, --incremental-full, --incremental-update.
1907         (General_options::Incremental_mode): New enum type.
1908         (General_options::incremental_mode): New function.
1909         (General_options::incremental_mode_): New data member.
1910         * parameters.cc (Parameters::incremental_mode_): New data member.
1911         (Parameters::set_options): Set incremental_mode_.
1912         (Parameters::set_incremental_full): New function.
1913         (Parameters::incremental): New function.
1914         (Parameters::incremental_update): New function.
1915         (set_parameters_incremental_full): New function.
1916         * parameters.h (Parameters::set_incremental_full): New function.
1917         (Parameters::incremental): New function.
1918         (Parameters::incremental_update): New function.
1919         (Parameters::incremental_mode_): New data member.
1920         (set_parameters_incremental_full): New function.
1921         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1922         incremental link mode.
1923         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1924         (Sized_relobj::do_relocate_sections): Likewise.
1925         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1926         option.
1927         * testsuite/Makefile.in: Regenerate.
1928         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1929
1930 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1931
1932         * script-sections.h (class Script_sections): Make
1933         Sections_elements typedef public.
1934         * script-sections.cc (class Sort_output_sections): Add elements_
1935         field.  Add constructor which sets it; change all callers.
1936         (Sort_output_sections::is_before): New function.
1937         (Sort_output_sections::operator()): Call is_before.
1938         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1939         conditional.
1940         * testsuite/script_test_10.sh: New test. Test script section
1941         order.
1942         * testsuite/script_test_10.t: Likewise.
1943         * testsuite/script_test_10.s: Likewise.
1944         * testsuite/Makefile.am: Wrap the cross linker tests and the
1945         common tests into NATIVE_OR_CROSS_LINKER.
1946         (check_SCRIPTS): Add script_test_10.sh.
1947         (check_DATA): Add script_test_10.stdout.
1948         (script_test_10.o, script_test_10): New targets.
1949         (script_test_10.stdout): New target.
1950         * configure, testsuite/Makefile.in: Regenerate.
1951
1952 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1953
1954         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1955         error for the deprecated relocations.
1956         (Target_arm::Scan::global): Likewise.
1957         (Target_arm::Relocate::relocate): Likewise.
1958
1959 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1960
1961         * fileread.cc (Input_file::find_file): Initialize *found_name
1962         and *namep when using the fallback search for case 4.
1963
1964 2010-10-11  Cary Coutant  <ccoutant@google.com>
1965
1966         * options.h (class General_options): Redefine -z lazy as an alias for
1967         the negation of -z now.
1968
1969 2010-10-11  Ian Lance Taylor  <iant@google.com>
1970
1971         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1972         binding.
1973
1974 2010-10-06  Nick Clifton  <nickc@redhat.com>
1975
1976         * script-sections.cc(class Memory_region): Remove
1977         current_lma_offset_ field.  Rename current_vma_offset_ to
1978         current_offset_.  Add last_section_ field.
1979         (Memory_region::get_current_vma_address): Rename to
1980         get_current_address.
1981         (Memory_region::get_current_lma_address): Delete.
1982         (Memory_region::increment_vma_offset): Rename to
1983         increment_offset.
1984         (Memory_region::increment_lma_offset): Delete.
1985         (Memory_region::attributes_compatible): New method.  Returns
1986         true if the provided section is compatible with the region.
1987         (Memory_region::get_last_section): New method.  Returns the last
1988         section to use the region.
1989         (Memory_region::set_last_section): New method.  Stores the last
1990         section to use the region.
1991         (Script_sections::block_in_region): New method.  Returns true if
1992         a block of memory is contained within a region.
1993         (Script_sections::find_memory_region): New method.  Locates a
1994         memory region to be used to set a VMA or LMA address.
1995         (Output_section_definition::set_section_addresses): Add code to
1996         check for addresses set by memory regions.
1997         (Output_segment::set_section_addresses): Remove memory region
1998         walking code.
1999         (Script_sections::create_segment): Add a warning if a header
2000         segment is created outside of any region.
2001         * script-sections.h (class Script_sections): Add prototypes for
2002         find_memory_region and block_in_region methods.
2003         * testsuite/memory_test.s: Use .long instead of .word.
2004         * testsuite/memory_test.t: Add some more output sections.
2005         * testsuite/memory_test.sh: Update expected output.
2006
2007 2010-10-02  Doug Kwan  <dougkwan@google.com>
2008
2009         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2010         defintion to symtab.h
2011         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2012         declaration to defintion.
2013
2014 2010-10-01  Nick Clifton  <nickc@redhat.com>
2015
2016         * expression.cc (eval): Replace dummy argument with NULL.
2017         (eval_maybe_dot): Check for a NULL result section pointer.
2018         (Symbol_expression::value): Likewise.
2019         (Dot_expression::value): Likewise.
2020         (BINARY_EXPRESSION): Likewise.
2021         (Max_expression::value): Likewise.
2022         (Min_expression::value): Likewise.
2023         (Absolute_expression::value): Likewise.
2024         (Addr_expression::value_from_output_section): Likewise.
2025         (Loaddddr_expression::value_from_output_section): Likewise.
2026         (Segment_start_expression::value): Likewise.
2027         * script-sections.cc
2028         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2029         argument with NULL.
2030         (Sections_elememt_dot_assignment::set_section_addresses):
2031         Likewise.
2032         (Output_data_expression::do_write_to_buffer): Likewise.
2033         (Output_section_definition::finalize_symbols): Likewise.
2034         (Output_section_definition::set_section_addresses): Likewise.
2035
2036 2010-09-30  Doug Kwan  <dougkwan@google.com>
2037
2038         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2039
2040 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2041
2042         * target.h (Target::can_icf_inline_merge_sections): New virtual
2043         function.
2044         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2045         virtual function.
2046         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2047         virtual function.
2048         * icf.cc (get_section_contents): Inline merge sections only when
2049         target allows it.
2050
2051 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2052
2053         * configure: Regenerate.
2054
2055 2010-09-17  Ian Lance Taylor  <iant@google.com>
2056
2057         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2058         * testsuite/Makefile.am (memory_test.o): New target.
2059         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2060         memory_test.t.
2061         * testsuite/Makefile.in: Rebuild.
2062
2063 2010-09-17  Doug Kwan  <dougkwan@google.com>
2064
2065         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2066         defintion if relocation uses GOT entries of the symbol.
2067         * testsuite/icf_safe_test.sh: Fix test.
2068         * testsuite/icf_safe_so_test.sh: Fix test.
2069
2070 2010-09-16  Cary Coutant  <ccoutant@google.com>
2071
2072         * script_sections.cc (class Memory_region): Remove "NULL" from
2073         vector initializations.
2074
2075 2010-09-15  Cary Coutant  <ccoutant@google.com>
2076
2077         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2078         Resolve forwarding symbols.
2079
2080 2010-09-15  Doug Kwan  <dougkwan@google.com>
2081
2082         * gold/testsuite/script_test_3.t: Add ARM special sections.
2083         * gold/testsuite/script_test_4.t: Same.
2084         * gold/testsuite/script_test_5.t: Same.
2085         * gold/testsuite/script_test_6.t: Same.
2086         * gold/testsuite/script_test_7.t: Same.
2087         * gold/testsuite/script_test_7.t: Same.
2088         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2089
2090 2010-09-14  Cary Coutant  <ccoutant@google.com>
2091
2092         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2093         (Target_x86_64::Relocate::relocate_tls): Replace check for
2094         saw_tls_block_reloc_ with test for executable section.
2095
2096 2010-09-12  Cary Coutant  <ccoutant@google.com>
2097
2098         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2099         position-independent executables to shared libraries need dynamic
2100         relocations.
2101         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2102         position-independent executables.
2103         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2104         * testsuite/Makefile.in: Regenerate.
2105
2106 2010-09-10  Nick Clifton  <nickc@redhat.com>
2107
2108         PR gold/11997
2109         * testsuite/memory_test.t: Discard any sections that are not
2110         needed.
2111
2112 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2113
2114         PR gold/11996
2115         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2116         "This::" to work around a bug in gcc 4.2.
2117
2118         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2119
2120 2010-09-09  Rafael Espindola  <espindola@google.com>
2121
2122         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2123         sections with different PF_X flags in the same segment.
2124         (Layout::find_first_load_seg): Search all segments to find the first
2125         one.
2126         * options.h (rosegment): New.
2127
2128 2010-09-08  Rafael Espindola  <espindola@google.com>
2129
2130         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2131
2132 2010-09-08  Doug Kwan  <dougkwan@google.com>
2133
2134         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2135         (Arm_relobj::do_relocate_sections): Add new parameter for output
2136         file to match the parent.
2137         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2138         of local symbols instead of input values.  Update code to track
2139         changes in gold::relocate_section.
2140         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2141         (Sized_relobj::compute_final_local_value_internal): New methods.
2142         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2143         body into private version of Sized_relobj::compute_final_local_value.
2144         Call the inline method.
2145         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2146         merged symbol value if there is one.
2147         (Symbol_value::has_output_value): New method defintiion.
2148         (Sized_relobj::Compute_final_local_value_status): New enum type.
2149         (Sized_relobj::compute_final_local_value): New methods.
2150         (Sized_relobj::compute_final_local_value_internal): New methods.
2151         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2152         and arm_cortex_a8.sh.
2153         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2154         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2155         New tests.
2156         * Makefile.in: Regenerate.
2157         * testsuite/arm_bl_out_of_range.s: Update test.
2158         * testsuite/thumb_bl_out_of_range.s: Ditto.
2159         * testsuite/thumb_blx_out_of_range.s: Ditto.
2160         * testsuite/arm_branch_out_of_range.sh: New file.
2161         * testsuite/arm_cortex_a8.sh: Ditto.
2162         * testsuite/arm_cortex_a8_b.s: Ditto.
2163         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2164         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2165         * testsuite/arm_cortex_a8_bl.s: Ditto.
2166         * testsuite/arm_cortex_a8_blx.s: Ditto.
2167         * testsuite/arm_cortex_a8_local.s: Ditto.
2168         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2169         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2170
2171 2010-09-08  Rafael Espindola  <espindola@google.com>
2172
2173         * Makefile.am (memory_test.stdout): Run readelf with -W.
2174         * Makefile.in: Regenerate.
2175         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2176         64 bit output.
2177
2178 2010-09-08  Rafael Espindola  <espindola@google.com>
2179
2180         * script-sections.cc (Script_sections::add_memory_region): Convert
2181         field precision to int.
2182         * script.cc (script_set_section_region, script_set_section_region):
2183         Convert field precision to int.
2184
2185 2010-09-08  Rafael Espindola  <espindola@google.com>
2186
2187         * arm.cc (do_finalize_sections): Create the __exidx_start and
2188         __exdix_end symbols even when the section is missing.
2189
2190 2010-09-08  Nick Clifton  <nickc@redhat.com>
2191
2192         * README: Remove claim that MEMORY is not supported.
2193         * expression.cc (script_exp_function_origin)
2194         (script_exp_function_length): Move from here to ...
2195         * script.cc: ... here.
2196         (script_set_section_region, script_add_memory)
2197         (script_parse_memory_attr, script_include_directive): New
2198         functions.
2199         * script-sections.cc
2200         (class Memory_region): New class.
2201         (class Output_section_definition): Add set_memory_region,
2202         set_section_vma, set_section_lma and get_section_name methods.
2203         (class Script_Sections): Add add_memory_region,
2204         find_memory_region, find_memory_region_origin,
2205         find_memory_region_length and set_memory_region methods.
2206         Have set_section_addresses method walk the list of set memory
2207         regions.
2208         Extend the print methos to display memory regions.
2209         * script-sections.h: Add prototypes for new methods.
2210         Add enum for MEMORY region attributes.
2211         * yyscript.y: Add support for parsing MEMORY regions.
2212         * script-c.h: Add prototypes for new functions.
2213         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2214         * testsuite/Makefile.in: Regenerate.
2215         * testsuite/memory_test.sh: New script.
2216         * testsuite/memory_test.s: New assembler source file.
2217         * testsuite/memory_test.t: New linker script.
2218
2219 2010-08-27  Doug Kwan  <dougkwan@google.com>
2220
2221         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2222         reference override an existing dynamic weak reference.
2223         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2224         * testsuite/Makefile.in: Regenerate.
2225         * testsuite/dyn_weak_ref.sh: New file.
2226         * testsuite/dyn_weak_ref_1.c: Ditto.
2227         * testsuite/dyn_weak_ref_2.c: Ditto.
2228
2229 2010-08-27  Ian Lance Taylor  <iant@google.com>
2230
2231         * incremental.h (class Incremental_input_entry): Add virtual
2232         destructor.
2233
2234 2010-08-27  Ian Lance Taylor  <iant@google.com>
2235
2236         * testsuite/start_lib_test_3.c: Mark t3 as used.
2237
2238 2010-08-27  Nick Clifton  <nickc@redhat.com>
2239
2240         * options.cc (version_script): Fix small typo in previous
2241         whitespace tidyup.
2242
2243 2010-08-25  Nick Clifton  <nickc@redhat.com>
2244
2245         * archive.cc: Formatting fixes: Remove whitespace between
2246         typename and following asterisk.  Remove whitespace between
2247         function name and opening parenthesis.
2248         * archive.h: Likewise.
2249         * arm.cc: Likewise.
2250         * attributes.cc: Likewise.
2251         * attributes.h: Likewise.
2252         * common.cc: Likewise.
2253         * copy-relocs.cc: Likewise.
2254         * dirsearch.h: Likewise.
2255         * dynobj.cc: Likewise.
2256         * ehframe.cc: Likewise.
2257         * ehframe.h: Likewise.
2258         * expression.cc: Likewise.
2259         * fileread.cc: Likewise.
2260         * fileread.h: Likewise.
2261         * gc.h: Likewise.
2262         * gold-threads.cc: Likewise.
2263         * gold.cc: Likewise.
2264         * i386.cc: Likewise.
2265         * icf.h: Likewise.
2266         * incremental-dump.cc: Likewise.
2267         * incremental.cc: Likewise.
2268         * layout.cc: Likewise.
2269         * layout.h: Likewise.
2270         * main.cc: Likewise.
2271         * merge.cc: Likewise.
2272         * merge.h: Likewise.
2273         * object.cc: Likewise.
2274         * object.h: Likewise.
2275         * options.cc: Likewise.
2276         * options.h: Likewise.
2277         * output.cc: Likewise.
2278         * output.h: Likewise.
2279         * plugin.cc: Likewise.
2280         * plugin.h: Likewise.
2281         * powerpc.cc: Likewise.
2282         * reloc.cc: Likewise.
2283         * script-c.h: Likewise.
2284         * script-sections.cc: Likewise.
2285         * script.cc: Likewise.
2286         * stringpool.cc: Likewise.
2287         * symtab.cc: Likewise.
2288         * symtab.h: Likewise.
2289         * target.cc: Likewise.
2290         * timer.cc: Likewise.
2291         * timer.h: Likewise.
2292         * version.cc: Likewise.
2293         * x86_64.cc: Likewise.
2294
2295 2010-08-24  Nick Clifton  <nickc@redhat.com>
2296
2297         PR 11899
2298         * layout.cc (segment_precedes): Sort segments by their physical
2299         addresses, if they have been set.
2300
2301 2010-08-23  Cary Coutant  <ccoutant@google.com>
2302
2303         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2304         symbols data.
2305         (Lib_group::include_member): Unlock object after deleting its
2306         symbols data.
2307         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2308         the bug fixed here.
2309
2310 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2311             Cary Coutant  <ccoutant@google.com>
2312
2313         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2314         constructor, and set_blocker.
2315         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2316         readsyms_blocker_.
2317         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2318         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2319         * testsuite/Makefile.am (start_lib_test): New test case.
2320         * testsuite/Makefile.in: Regenerate.
2321         * testsuite/start_lib_test_main.c: New file.
2322         * testsuite/start_lib_test_1.c: New file.
2323         * testsuite/start_lib_test_2.c: New file.
2324         * testsuite/start_lib_test_3.c: New file.
2325
2326 2010-08-19  Ian Lance Taylor  <iant@google.com>
2327
2328         * Makefile.in: Rebuild with automake 1.11.1.
2329         * aclocal.m4: Likewise.
2330         * testsuite/Makefile.in: Likewise.
2331
2332 2010-08-19  Ian Lance Taylor  <iant@google.com>
2333
2334         PR 10893
2335         * i386.cc (class Output_data_plt_i386): Update declarations.
2336         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2337         local_ifuncs_ fields.
2338         (Target_i386::do_plt_section_for_global): New function.
2339         (Target_i386::do_plt_section_for_local): New function.
2340         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2341         parameter; change all callers.  Initialize global_ifuncs_ and
2342         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2343         __rel_iplt_end.
2344         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2345         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2346         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2347         symbols.
2348         (Target_i386::make_plt_section): New function, broken out of
2349         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2350         (Target_i386::make_plt_entry): Call make_plt_section.
2351         (Target_i386::make_local_ifunc_plt_entry): New function.
2352         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2353         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2354         R_386_IRELATIVE to switch.
2355         (Target_i386::Scan::global): Likewise.
2356         (Target_i386::Relocate::relocate): Likewise.
2357         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2358         switch.
2359         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2360         (Target_x86_64::do_plt_section_for_global): New function.
2361         (Target_x86_64::do_plt_section_for_local): New function.
2362         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2363         parameter; change all callers.  If doing a static link define
2364         __rela_iplt_start and __rela_iplt_end.
2365         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2366         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2367         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2368         to point to .plt.
2369         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2370         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2371         switch.
2372         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2373         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2374         R_X86_64_IRELATIVE to switch.
2375         (Target_x86_64::Scan::global): Likewise.
2376         (Target_x86_64::Relocate::relocate): Likewise.
2377         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2378         switch.
2379         * target.h (class Target): Add plt_section_for_global and
2380         plt_section_for_local functions.  Add do_plt_section_for_global
2381         and do_plt_section_for_local virtual functions.
2382         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2383         clarifying comments.
2384         (Symbol::use_plt_offset): Handle IFUNC symbol.
2385         * object.cc (Sized_relobj::Sized_relobj): Initialize
2386         local_plt_offsets_.
2387         (Sized_relobj::local_has_plt_offset): New function.
2388         (Sized_relobj::local_plt_offset): New function.
2389         (Sized_relobj::set_local_plt_offset): New function.
2390         (Sized_relobj::do_count): Handle IFUNC symbol.
2391         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2392         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2393         is_ifunc_symbol functions.
2394         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2395         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2396         local_plt_offsets_ field.
2397         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2398         * output.h (class Output_section_data): Add non-const
2399         output_section function.
2400         (class Output_data_got): Update declarations.
2401         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2402         Add use_plt_offset parameter to global and local constructors.
2403         Change all callers.  Change local_sym_index_ field to 31 bits.
2404         Change GSYM_CODE and CONSTANT_CODE accordingly.
2405         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2406         doing a static link don't set sh_link field.
2407         (Output_data_got::Got_entry::write): Use PLT offset if
2408         appropriate.
2409         (Output_data_got::add_global_plt): New function.
2410         (Output_data_got::add_local_plt): New function.
2411         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2412         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2413         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2414         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2415         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2416         IFUNC conditional.
2417         * testsuite/ifunc-sel.h: New file.
2418         * testsuite/ifuncmain1.c: New file.
2419         * testsuite/ifuncmain1vis.c: New file.
2420         * testsuite/ifuncmod1.c: New file.
2421         * testsuite/ifuncdep2.c: New file.
2422         * testsuite/ifuncmain2.c: New file.
2423         * testsuite/ifuncmain3.c: New file.
2424         * testsuite/ifuncmod3.c: New file.
2425         * testsuite/ifuncmain4.c: New file.
2426         * testsuite/ifuncmain5.c: New file.
2427         * testsuite/ifuncmod5.c: New file.
2428         * testsuite/ifuncmain6pie.c: New file.
2429         * testsuite/ifuncmod6.c: New file.
2430         * testsuite/ifuncmain7.c: New file.
2431         * configure, testsuite/Makefile.in: Rebuild.
2432
2433 2010-08-18  Ian Lance Taylor  <iant@google.com>
2434
2435         * incremental.cc
2436         (Output_section_incremental_inputs::write_input_files): Add cast
2437         to avoid signed/unsigned comparison warning.
2438         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2439
2440 2010-08-12  Cary Coutant  <ccoutant@google.com>
2441
2442         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2443
2444 2010-08-13  Ian Lance Taylor  <iant@google.com>
2445
2446         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2447
2448 2010-08-12  Cary Coutant  <ccoutant@google.com>
2449             Doug Kwan  <dougkwan@google.com>
2450
2451         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2452         defintion overrides non-weak undef, remember that the original undef
2453         is not weak.
2454         * symtab.cc (Symbol_table::sized_write_global): For undef without
2455         an original weak binding, set binding to global in output.
2456         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2457         * testsuite/Makefile.in: Regenerate.
2458         * testsuite/strong_ref_weak_def.sh: New file.
2459         * testsuite/strong_ref_weak_def_1.c: Ditto.
2460         * testsuite/strong_ref_weak_def_2.c: Ditto.
2461
2462 2010-08-12  Cary Coutant  <ccoutant@google.com>
2463
2464         * testsuite/incremental_test.sh: Rewrite.
2465         * testsuite/incremental_test_1.c: Rewrite.
2466         * testsuite/incremental_test_2.c: Rewrite.
2467
2468 2010-08-12  Cary Coutant  <ccoutant@google.com>
2469
2470         * arm.cc (Target_arm::got_size): Add const.
2471         (Target_arm::got_entry_count): New function.
2472         (Target_arm::plt_entry_count): New function.
2473         (Target_arm::first_plt_entry_offset): New function.
2474         (Target_arm::plt_entry_size): New function.
2475         (Output_data_plt_arm::entry_count): New function.
2476         (Output_data_plt_arm::first_plt_entry_offset): New function.
2477         (Output_data_plt_arm::get_plt_entry_size): New function.
2478         * i386.cc (Target_i386::got_size): Add const.
2479         (Target_i386::got_entry_count): New function.
2480         (Target_i386::plt_entry_count): New function.
2481         (Target_i386::first_plt_entry_offset): New function.
2482         (Target_i386::plt_entry_size): New function.
2483         (Output_data_plt_i386::entry_count): New function.
2484         (Output_data_plt_i386::first_plt_entry_offset): New function.
2485         (Output_data_plt_i386::get_plt_entry_size): New function.
2486         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2487         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2488         * incremental.cc: Include target.h.
2489         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2490         parameter.  Adjust all callers.  Find incremental_got_plt section.
2491         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2492         section.
2493         (Output_section_incremental_inputs::set_final_data_size): Calculate
2494         size of incremental_got_plt section.
2495         (Output_section_incremental_inputs::do_write): Write the
2496         incremental_got_plt section.
2497         (Got_plt_view_info): New struct.
2498         (Local_got_offset_visitor): New class.
2499         (Global_got_offset_visitor): New class.
2500         (Global_symbol_visitor_got_plt): New class.
2501         (Output_section_incremental_inputs::write_got_plt): New function.
2502         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2503         Add parameter.  Adjust all callers.
2504         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2505         (Incremental_inputs::got_plt_section): New function.
2506         (Incremental_inputs::got_plt_section_): New data member.
2507         (Incremental_got_plt_reader): New class.
2508         * layout.cc (Layout::create_incremental_info_sections): Add the
2509         incremental_got_plt section.
2510         * object.h (Got_offset_list::get_list): New function.
2511         (Got offset_list::for_all_got_offsets): New function.
2512         (Sized_relobj::local_got_offset_list): New function.
2513         * powerpc.cc (Target_powerpc::got_size): Add const.
2514         (Target_powerpc::got_entry_count): New function.
2515         (Target_powerpc::plt_entry_count): New function.
2516         (Target_powerpc::first_plt_entry_offset): New function.
2517         (Target_powerpc::plt_entry_size): New function.
2518         (Output_data_plt_powerpc::entry_count): New function.
2519         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2520         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2521         * sparc.cc (Target_sparc::got_size): Add const.
2522         (Target_sparc::got_entry_count): New function.
2523         (Target_sparc::plt_entry_count): New function.
2524         (Target_sparc::first_plt_entry_offset): New function.
2525         (Target_sparc::plt_entry_size): New function.
2526         (Output_data_plt_sparc::entry_count): New function.
2527         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2528         (Output_data_plt_sparc::get_plt_entry_size): New function.
2529         * symtab.h (Symbol::got_offset_list): New function.
2530         (Symbol_table::for_all_symbols): New function.
2531         * target.h (Sized_target::got_entry_count): New function.
2532         (Sized_target::plt_entry_count): New function.
2533         (Sized_target::plt_entry_size): New function.
2534         * x86_64.cc (Target_x86_64::got_size): Add const.
2535         (Target_x86_64::got_entry_count): New function.
2536         (Target_x86_64::plt_entry_count): New function.
2537         (Target_x86_64::first_plt_entry_offset): New function.
2538         (Target_x86_64::plt_entry_size): New function.
2539         (Output_data_plt_x86_64::entry_count): New function.
2540         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2541         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2542
2543 2010-08-12  Cary Coutant  <ccoutant@google.com>
2544
2545         * archive.cc: Include incremental.h.
2546         (Archive::Archive): Initialize incremental_info_.
2547         (Archive::include_member): Record archive members in incremental info.
2548         (Add_archive_symbols::run): Record begin and end of an archive in
2549         incremental info.
2550         (Lib_group::include_member): Record objects in incremental info.
2551         * archive.h (Incremental_archive_entry): Forward declaration.
2552         (Archive::set_incremental_info): New member function.
2553         (Archive::incremental_info): New member function.
2554         (Archive::Unused_symbol_iterator): New class.
2555         (Archive::unused_symbols_begin): New member function.
2556         (Archive::unused_symbols_end): New member function.
2557         (Archive::incremental_info_): New data member.
2558         * incremental-dump.cc (find_input_containing_global): New function.
2559         (dump_incremental_inputs): Dump new incremental info sections.
2560         * incremental.cc: Include symtab.h.
2561         (Output_section_incremental_inputs): New class.
2562         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2563         new incremental info sections.
2564         (Sized_incremental_binary::do_check_inputs): Likewise.
2565         (Incremental_inputs::report_archive): Remove.
2566         (Incremental_inputs::report_archive_begin): New function.
2567         (Incremental_inputs::report_archive_end): New function.
2568         (Incremental_inputs::report_object): New function.
2569         (Incremental_inputs::finalize_inputs): Remove.
2570         (Incremental_inputs::report_input_section): New function.
2571         (Incremental_inputs::report_script): Rewrite.
2572         (Incremental_inputs::finalize): Do nothing but finalize string table.
2573         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2574         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2575         (Incremental_inputs::create_data_sections): New function.
2576         (Incremental_inputs::relocs_entsize): New function.
2577         (Output_section_incremental_inputs::set_final_data_size): New function.
2578         (Output_section_incremental_inputs::do_write): New function.
2579         (Output_section_incremental_inputs::write_header): New function.
2580         (Output_section_incremental_inputs::write_input_files): New function.
2581         (Output_section_incremental_inputs::write_info_blocks): New function.
2582         (Output_section_incremental_inputs::write_symtab): New function.
2583         * incremental.h (Incremental_script_entry): Forward declaration.
2584         (Incremental_object_entry): Forward declaration.
2585         (Incremental_archive_entry): Forward declaration.
2586         (Incremental_inputs): Forward declaration.
2587         (Incremental_inputs_header_data): Remove.
2588         (Incremental_inputs_header): Remove.
2589         (Incremental_inputs_header_write): Remove.
2590         (Incremental_inputs_entry_data): Remove.
2591         (Incremental_inputs_entry): Remove.
2592         (Incremental_inputs_entry_write): Remove.
2593         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2594         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2595         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2596         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2597         Likewise.
2598         (Incremental_input_entry): New class.
2599         (Incremental_script_entry): New class.
2600         (Incremental_object_entry): New class.
2601         (Incremental_archive_entry): New class.
2602         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2603         (Incremental_inputs::report_inputs): Remove.
2604         (Incremental_inputs::report_archive): Remove.
2605         (Incremental_inputs::report_archive_begin): New function.
2606         (Incremental_inputs::report_archive_end): New function.
2607         (Incremental_inputs::report_object): Change prototype.
2608         (Incremental_inputs::report_input_section): New function.
2609         (Incremental_inputs::report_script): Change prototype.
2610         (Incremental_inputs::get_reloc_count): New function.
2611         (Incremental_inputs::set_reloc_count): New function.
2612         (Incremental_inputs::create_data_sections): New function.
2613         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2614         (Incremental_inputs::inputs_section): New function.
2615         (Incremental_inputs::symtab_section): New function.
2616         (Incremental_inputs::relocs_section): New function.
2617         (Incremental_inputs::get_stringpool): Add const.
2618         (Incremental_inputs::command_line): Add const.
2619         (Incremental_inputs::inputs): Remove.
2620         (Incremental_inputs::command_line_key): New function.
2621         (Incremental_inputs::input_file_count): New function.
2622         (Incremental_inputs::input_files): New function.
2623         (Incremental_inputs::relocs_entsize): New function.
2624         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2625         (Incremental_inputs::finalize_inputs): Remove.
2626         (Incremental_inputs::Input_info): Remove.
2627         (Incremental_inputs::lock_): Remove.
2628         (Incremental_inputs::inputs_): Change type.
2629         (Incremental_inputs::inputs_map_): Remove.
2630         (Incremental_inputs::current_object_entry_): New data member.
2631         (Incremental_inputs::inputs_section_): New data member.
2632         (Incremental_inputs::symtab_section_): New data member.
2633         (Incremental_inputs::relocs_section_): New data member.
2634         (Incremental_inputs::reloc_count_): New data member.
2635         (Incremental_inputs_reader): New class.
2636         (Incremental_symtab_reader): New class.
2637         (Incremental_relocs_reader): New class.
2638         * layout.cc (Layout::finalize): Move finalization of incremental info
2639         and creation of incremental info sections to follow finalization of
2640         symbol table.  Set offsets for postprocessing sections.
2641         (Layout::create_incremental_info_sections): Call
2642         Incremental_inputs::create_data_sections.  Add incremental symtab
2643         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2644         sections to layout after input sections.
2645         * layout.h (struct Timespec): Forward declaration.
2646         (Layout::incremental_inputs): Add const.
2647         (Layout::create_incremental_info_sections): Add parameter.
2648         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2649         * object.cc: Include incremental.h.
2650         (Relobj::finalize_incremental_relocs): New function.
2651         (Sized_relobj::do_layout): Record input sections in incremental info.
2652         * object.h (Object::output_section): New function.
2653         (Object::output_section_offset): Moved from Relobj.
2654         (Object::get_incremental_reloc_base): New function.
2655         (Object::get_incremental_reloc_count): New function.
2656         (Object::do_output_section): New function.
2657         (Object::do_output_section_offset): Moved from Relobj.
2658         (Object::do_get_incremental_reloc_base): New function.
2659         (Object::do_get_incremental_reloc_count): New function.
2660         (Object::Object): Initialize new data members.
2661         (Relobj::output_section): Renamed do_output_section and moved to
2662         protected.
2663         (Relobj::output_section_offset): Moved to Object.
2664         (Relobj::do_get_incremental_reloc_base): New function.
2665         (Relobj::do_get_incremental_reloc_count): New function.
2666         (Relobj::allocate_incremental_reloc_counts): New function.
2667         (Relobj::count_incremental_reloc): New function.
2668         (Relobj::finalize_incremental_relocs): New function.
2669         (Relobj::next_incremental_reloc_index): New function.
2670         (Relobj::reloc_counts_): New data member.
2671         (Relobj::reloc_bases_): New data member.
2672         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2673         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2674         (Sized_relobj::incremental_relocs_scan): New function.
2675         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2676         (Sized_relobj::incremental_relocs_write): New function.
2677         (Sized_relobj::incremental_relocs_write_reltype): New function.
2678         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2679         incremental link.
2680         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2681         archives and object files elsewhere.
2682         (Add_symbols::run): Report object files here.
2683         (Finish_group::run): Report end of archive at end of group.
2684         * reloc.cc: Include layout.h, incremental.h.
2685         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2686         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2687         (Sized_relobj::incremental_relocs_scan): New function.
2688         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2689         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2690         (Sized_relobj::incremental_relocs_write): New function.
2691         (Sized_relobj::incremental_relocs_write_reltype): New function.
2692         * script.cc (read_input_script): Rewrite test for incremental link.
2693         Change call to Incremental_inputs::report_script.
2694         * symtab.h (Symbol_table::first_global_index): New function.
2695         (Symbol_table::output_count): New function.
2696
2697 2010-08-12  Doug Kwan  <dougkwan@google.com>
2698
2699         * arm.cc (Target_arm::merge_object_attributes): Check command line
2700         options --no-wchar-size-warning and --no-enum-size-warning.
2701         * options.h (General_options): Add ld-compatible options
2702         --no-enum-size-warning and --no-wchar-size-warning.
2703
2704 2010-08-04  Ian Lance Taylor  <iant@google.com>
2705
2706         * x86_64.cc (Target_x86_64::Scan::local): Use
2707         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2708         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2709         (Target_x86_64::Scan::global): Likewise.
2710         (Target_x86_64::Relocate::relocate): Likewise.
2711         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2712         Likewise.
2713
2714 2010-08-03  Cary Coutant  <ccoutant@google.com>
2715
2716         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2717         to reserve space in merged_strings vector. Keep total input size
2718         for stats.
2719         (Output_merge_string::do_print_merge_stats): Print total input size.
2720         * merge.h (Output_merge_string): Add input_size_ field.
2721         * stringpool.cc (Stringpool_template::string_length): Move
2722         implementations out of Stringpool_template class and place in
2723         stringpool.h.
2724         * stringpool.h (string_length): Move out of Stringpool_template.
2725
2726 2010-08-03  Ian Lance Taylor  <iant@google.com>
2727
2728         PR 11712
2729         * layout.cc (relaxation_loop_body): If address of load segment is
2730         set, adjust address to include headers if possible.
2731
2732 2010-08-03  Ian Lance Taylor  <iant@google.com>
2733
2734         * version.cc (version_string): Bump to 1.10.
2735
2736 2010-08-03  Ian Lance Taylor  <iant@google.com>
2737
2738         PR 11805
2739         * layout.h (enum Output_section_order): Define.
2740         (class Layout): Update declarations.
2741         * layout.cc (Layout::get_output_section): Add order parameter.
2742         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2743         is_first_non_relro parameters.  Change all callers.
2744         (Layout::choose_output_section): Likewise.
2745         (Layout::add_output_section_data): Likewise.
2746         (Layout::make_output_section): Likewise.  Set order.
2747         (Layout::default_section_order): New function.
2748         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2749         * output.cc (Output_section::Output_section): Initialize order_.
2750         Don't initialize deleted fields.
2751         (Output_segment::Output_segment): Don't initialize deleted
2752         fields.
2753         (Output_segment::add_output_section_to_load): New function
2754         replacing add_output_section.  Change all callers to call this or
2755         add_output_section_to_nonload.
2756         (Output_segment::add_output_section_to_nonload): New function.
2757         (Output_segment::remove_output_section): Rewrite.
2758         (Output_segment::add_initial_output_data): Likewise.
2759         (Output_segment::has_any_data_sections): Likewise.
2760         (Output_segment::is_first_section_relro): Likewise.
2761         (Output_segment::maximum_alignment): Likewise.
2762         (Output_segment::has_dynamic_reloc): New function replacing
2763         dynamic_reloc_count.  Change all callers.
2764         (Output_segment::has_dynamic_reloc_list): New function replacing
2765         dynamic_reloc_count_list.  Change all callers.
2766         (Output_segment::set_section_addresses): Rewrite.
2767         (Output_segment::set_offset): Rewrite.
2768         (Output_segment::find_first_and_last_list): Remove.
2769         (Output_segment::set_tls_offsets): Rewrite.
2770         (Output_segment::first_section_load_address): Likewise.
2771         (Output_segment::output_section_count): Likewise.
2772         (Output_segment::section_with_lowest_load_address): Likewise.
2773         (Output_segment::write_section_headers): Likewise.
2774         (Output_segment::print_sections_to_map): Likewise.
2775         * output.h (class Output_data): Remove dynamic_reloc_count_
2776         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2777         (Output_data::add_dynamic_reloc): Rewrite.
2778         (Output_data::has_dynamic_reloc): New function.
2779         (Output_data::dynamic_reloc_count): Remove.
2780         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2781         is_last_relro_, is_first_non_relro_, is_interp_,
2782         is_dynamic_linker_section_ fields.  Add order and set_order
2783         functions.  Remove is_relro_local, set_is_relro_local,
2784         is_last_relro, set_is_last_relro, is_first_non_relro,
2785         set_is_first_non_relro functions, is_interp, set_is_interp,
2786         is_dynamic_linker_section, and set_is_dynamic_linker_section
2787         functions.
2788         (class Output_segment): Change Output_data_list from std::list to
2789         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2790         output_bss_ fields.  Update declarations.
2791
2792 2010-08-02  Ian Lance Taylor  <iant@google.com>
2793
2794         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2795         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2796         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2797
2798 2010-08-02  Ian Lance Taylor  <iant@google.com>
2799
2800         PR 11855
2801         * script.cc (Script_options::Script_options): Initialize
2802         symbol_definitions_ and symbol_references_.
2803         (Script_options::add_symbol_assignment): Update
2804         symbol_definitions_ and symbol_references_.
2805         (Script_options::add_symbol_reference): New function.
2806         (script_symbol): New function.
2807         * script.h (class Script_options): Add symbol_definitions_ and
2808         symbol_references_ fields.
2809         (Script_options::referenced_const_iterator): New type.
2810         (Script_options::referenced_begin): New function.
2811         (Script_options::referenced_end): New function.
2812         (Script_options::is_referenced): New function.
2813         (Script_options::any_unreferenced): New function.
2814         * script-c.h (script_symbol): Declare.
2815         * yyscript.y (exp): Call script_symbol.
2816         * symtab.cc: Include "script.h".
2817         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2818         Change all callers.  Check symbols referenced by scripts.
2819         (Symbol_table::add_undefined_symbols_from_command_line): Add
2820         layout parameter.  Change all callers.
2821         (Symbol_table::do_add_undefined_symbols_from_command_line):
2822         Likewise.  Break out loop body.  Check symbols referenced by
2823         scripts.
2824         (Symbol_table::add_undefined_symbol_from_command_line): New
2825         function broken out of
2826         do_add_undefined_symbols_from_command_line.
2827         * symtab.h (class Symbol_table): Update declarations.
2828         * archive.cc: Include "layout.h".
2829         (Archive::should_include_member): Add layout parameter.  Change
2830         all callers.  Check for symbol mentioned in expression.
2831         * archive.h (class Archive): Update declaration.
2832         * object.cc (Sized_relobj::do_should_include_member): Add layout
2833         parameter.
2834         * object.h (Object::should_include_member): Add layout parameter.
2835         Change all callers.
2836         (Object::do_should_include_member): Add layout parameter.
2837         (class Sized_relobj): Update declaration.
2838         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2839         parameter.
2840         * dynobj.h (class Sized_dynobj): Update declaration.
2841         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2842         layout parameter.
2843         * plugin.h (class Sized_pluginobj): Update declaration.
2844
2845 2010-08-02  Ian Lance Taylor  <iant@google.com>
2846
2847         PR 11866
2848         * output.cc (Output_segment::set_offset): Search for the first and
2849         last sections rather than assuming that the list is in order.
2850         (Output_segment::find_first_and_last_list): New function.
2851         * output.h (class Output_segment): Update declarations.
2852         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2853         (relro_strip_test_SOURCES): New variable.
2854         (relro_strip_test_DEPENDENCIES): New variable.
2855         (relro_strip_test_LDFLAGS): New variable.
2856         (relro_strip_test_LDADD): New variable.
2857         (relro_strip_test.so): New target.
2858
2859 2010-08-02  Ian Lance Taylor  <iant@google.com>
2860
2861         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2862         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2863         (Target_i386::got_tlsdesc_section): New function.
2864         (Target_i386::got_section): Create space for GOT entries for
2865         TLSDESC relocations.
2866         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2867         R_386_TLS_GOTDESC.
2868         (Target_i386::Scan::global): Likewise.
2869         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2870         using TLSDESC GOT.
2871         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2872         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2873         (Target_x86_64::got_tlsdesc_section): New function.
2874         (Target_x86_64::got_section): Create space for GOT entries for
2875         TLSDESC relocations.
2876         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2877         R_386_TLS_GOTDESC.
2878         (Target_x86_64::Scan::global): Likewise.
2879         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2880         using TLSDESC GOT.
2881
2882 2010-08-02  Ian Lance Taylor  <iant@google.com>
2883
2884         * testsuite/final_layout.sh: Use dc to convert from hex to
2885         decimal.
2886
2887 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2888
2889         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2890         paramter to the call to gold::gc_process_relocs.
2891         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2892         paramter to the call to gold::gc_process_relocs.
2893         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2894         parameter to the call to gold::gc_process_relocs.
2895         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2896         template parameter to the call to gold::gc_process_relocs.
2897         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2898         paramter to the call to gold::gc_process_relocs.
2899         * gc.h (get_embedded_addend_size): New function.
2900         (gc_process_relocs): Save the size of the reloc for use by ICF.
2901         * icf.cc (get_section_contents): Get the addend from the text section
2902         for SHT_REL relocation sections.
2903         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2904         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2905         * int_encoding.h (read_from_pointer): New overloaded function.
2906         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2907         * testsuite/icf_sht_rel_addend_test.sh: New file.
2908         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2909         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2910
2911 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2912
2913         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2914         * Makefile.in: Regenerate.
2915         * testsuite/Makefile.in: Regenerate.
2916
2917 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2918
2919         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2920         * gold/testsuite/debug_msg.cc: Likewise.
2921         * gold/testsuite/odr_violation1.cc
2922         * gold/testsuite/odr_violation2.cc
2923
2924 2010-07-21  Cary Coutant  <ccoutant@google.com>
2925
2926         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2927         string, and length fields.
2928         (Output_merge_string::Merged_strings_list): New type.
2929         (Output_merge_string::Merged_strings_lists): New typedef.
2930         (Output_merge_string): Replace merged_strings_ with
2931         merged_strings_lists_.
2932         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2933         Merged_strings_list per input object and section.  Don't store pointer
2934         to the string.  Don't store length with each merged string entry.
2935         (Output_merge_string::finalize_merged_data): Loop over list of merged
2936         strings lists.  Recompute length of each merged string.
2937
2938 2010-07-15  Cary Coutant  <ccoutant@google.com>
2939
2940         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2941         here.
2942
2943 2010-07-14  Ian Lance Taylor  <iant@google.com>
2944
2945         * descriptors.cc (Descriptors::open): Report correct name in error
2946         message.
2947
2948 2010-07-13  Doug Kwan  <dougkwan@google.com>
2949
2950         * arm.cc (Arm_input_section::Arm_input_section): For a
2951         SHT_ARM_EXIDX section, always keeps the input sections.
2952         (Arm_input_section::set_exidx_section_link): New method.
2953         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2954         has_errors_ to false.
2955         (Arm_exidx_input_section::has_errors,
2956         Arm_exidx_input_section::set_has_errors): New methods.
2957         (Arm_exidx_input_section::has_errors_): New data member.
2958         (Arm_relobj::get_exidx_shndx_list): New method.
2959         (Arm_output_section::append_text_sections_to_list): Do not skip
2960         section without SHF_EXECINSTR.
2961         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2962         errors.
2963         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2964         section header.  Make error messages more verbose.  Check for
2965         a non-executable section linked to an EXIDX section.
2966         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2967         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2968         check that there is no deferred EXIDX section if we exit early.
2969         Instead of not making an EXIDX section in case of an error, make one
2970         and set the has_errors flag of it.
2971         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2972         in a relocatable link.
2973         (Target_arm::do_relax): Look for the EXIDX output section instead of
2974         assuming that it is called .ARM.exidx.
2975         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2976         section list.  Do not check for SHF_EXECINSTR section flags but
2977         skip any input section with errors.
2978         * output.cc (Output_section::Output_section): Initialize
2979         always_keeps_input_sections_ to false.
2980         (Output_section::add_input_section): Check for
2981         always_keeps_input_sections_.
2982         *  output.h (Output_section::always_keeps_input_sections,
2983         Output_section::set_always_keeps_input_sections): New methods.
2984         (Output_section::always_keeps_input_sections): New data member.
2985
2986 2010-07-13  Rafael Espindola  <espindola@google.com>
2987
2988         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2989         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2990
2991 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2992             Ian Lance Taylor  <iant@google.com>
2993
2994         * output.h (Output_section_lookup_maps::add_merge_section):
2995         Correct check of whether value was inserted.
2996         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2997         (Output_section_lookup_maps::add_relaxed_input_section):
2998         Likewise.
2999         * arm.cc (Target_arm::got_section): Remove used local os.
3000         * i386.cc (Target_i386::got_section): Likewise.
3001         * x86_64.cc (Target_x86_64::got_section): Likewise.
3002         * sparc.cc (Target_sparc::got_section): Likewise.
3003         (Target_sparc::relocate): Remove unused local have_got_offset.
3004         * powerpc.cc (Target_powerpc::relocate): Likewise.
3005
3006 2010-07-13  Ian Lance Taylor  <iant@google.com>
3007
3008         * compressed_output.cc (zlib_decompress): Fix signature in
3009         !HAVE_ZLIB_H case.
3010
3011         * archive.cc (Archive::include_member): Unlock an external member
3012         of a thin archive.  Don't bother to delete an object we know is
3013         NULL.
3014
3015 2010-07-12  Cary Coutant  <ccoutant@google.com>
3016
3017         * compressed_output.cc (zlib_decompress): New function.
3018         (get_uncompressed_size): New function.
3019         (decompress_input_section): New function.
3020         * compressed_output.h (get_uncompressed_size): New function.
3021         (decompress_input_section): New function.
3022         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3023         Handle compressed debug sections.
3024         * layout.cc (is_compressed_debug_section): New function.
3025         (Layout::output_section_name): Map compressed section names to
3026         canonical names.
3027         * layout.h (is_compressed_debug_section): New function.
3028         (is_debug_info_section): Recognize compressed debug sections.
3029         * merge.cc: Include compressed_output.h.
3030         (Output_merge_data::do_add_input_section): Handle compressed
3031         debug sections.
3032         (Output_merge_string::do_add_input_section): Handle compressed
3033         debug sections.
3034         * object.cc: Include compressed_output.h.
3035         (Sized_relobj::Sized_relobj): Initialize new data members.
3036         (build_compressed_section_map): New function.
3037         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3038         * object.h (Object::section_is_compressed): New method.
3039         (Object::do_section_is_compressed): New method.
3040         (Sized_relobj::Compressed_section_map): New type.
3041         (Sized_relobj::do_section_is_compressed): New method.
3042         (Sized_relobj::compressed_sections_): New data member.
3043         * output.cc (Output_section::add_input_section): Handle compressed
3044         debug sections.
3045         * reloc.cc: Include compressed_output.h.
3046         (Sized_relobj::write_sections): Handle compressed debug sections.
3047
3048 2010-07-08  Cary Coutant  <ccoutant@google.com>
3049
3050         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3051         weak when resolving to a dynamic def.
3052         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3053         for weak undef/dynamic def cases. Adjust callers.
3054         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3055         undef_binding_weak_.
3056         (Symbol_table::sized_write_globals): Adjust symbol binding.
3057         (Symbol_table::sized_write_symbol): Add binding parameter.
3058         * symtab.h (Symbol::set_undef_binding): New method.
3059         (Symbol::is_undef_binding_weak): New method.
3060         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3061         (Symbol_table::should_override): Add new parameter.
3062         (Symbol_table::sized_write_symbol): Add new parameter.
3063
3064         * testsuite/weak_undef_file1.cc: Add new test case.
3065         * testsuite/weak_undef_file2.cc: Fix header comment.
3066         * testsuite/weak_undef_test.cc: Add new test case.
3067
3068 2010-06-29  Doug Kwan  <dougkwan@google.com>
3069
3070         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3071         Initialize USE_SYMBOL_.
3072         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3073         definition.
3074         (Arm_reloc_property::uses_symbol_): New data member declaration.
3075         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3076         uses symbol value and symbol is undefined but not weakly undefined.
3077
3078 2010-06-28  Rafael Espindola  <espindola@google.com>
3079
3080         * plugin.cc (Plugin::load): Use dlerror.
3081
3082 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3083
3084         * symtab.cc (detect_odr_violations): When reporting an ODR
3085         violation, report an object where the symbol is defined.
3086
3087 2010-06-25  Doug Kwan  <dougkwan@google.com>
3088
3089         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3090         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3091         definition.
3092         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3093         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3094         target hook to detect function points.
3095         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3096         * icf.h (Icf::check_section_for_function_pointers): Change type of
3097         parameter SECTION_NAME to const reference to std::string.  Use
3098         target hook to determine if section may have unsafe pointers.
3099         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3100         method definition.
3101
3102 2010-06-21  Rafael Espindola  <espindola@google.com>
3103
3104         * fileread.cc (Input_file::find_fie): New
3105         (Input_file::open): Use Input_file::find_fie.
3106         * fileread.h (Input_file::find_fie): New
3107         * plugin.cc (set_extra_library_path): New.
3108         (Plugin::load): Add set_extra_library_path to the transfer vector.
3109         (Plugin_manager::set_extra_library_path): New.
3110         (Plugin_manager::add_input_file): Use the extra search path if set.
3111         (set_extra_library_path(): New.
3112         * plugin.h (Plugin_manager): Add set_extra_library_path and
3113         extra_search_path_.
3114
3115 2010-06-19  Cary Coutant  <ccoutant@google.com>
3116
3117         * layout.cc (gdb_sections): Add .debug_types.
3118         (lines_only_debug_sections): Likewise.
3119
3120 2010-06-18  Rafael Espindola  <espindola@google.com>
3121
3122         * plugin.cc (add_input_file,add_input_library)
3123         (Plugin_manager::add_input_file): Make filename arguments const.
3124         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3125         const.
3126
3127 2010-06-16  Doug Kwan  <dougkwan@google.com>
3128
3129         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3130         .ARM.attributes section if we have not merged any input
3131         attributes sections.
3132
3133 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3134
3135         * arm.cc: Allow combining objects with no EABI version
3136         information.
3137
3138 2010-06-15  Rafael Espindola  <espindola@google.com>
3139
3140         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3141
3142 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3143
3144         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3145         (struct iovec): Correct !HAVE_READV definition.
3146
3147 2010-06-10  Cary Coutant  <ccoutant@google.com>
3148
3149         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3150         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3151         reloc sections.
3152         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3153
3154         PR 11683
3155         * symtab.h (Symbol::is_placeholder): New member function.
3156         * target-reloc.h (relocate_section): Check for placeholder symbols.
3157
3158         * testsuite/Makefile.am (plugin_test_8): New test.
3159         (plugin_test_9): New test.
3160         * testsuite/Makefile.in: Regenerate.
3161
3162 2010-06-09  Nick Clifton  <nickc@redhat.com>
3163
3164         * yyscript.y (input_list_element): Allow strings prefixed with
3165         the '-' character.  Treat these as libraries.
3166         * script.cc (script_add_library): New function.  Adds a library
3167         specified by "-l<name>" found in an input script.
3168         * script-c.h: Add prototype for script_add_library.
3169
3170 2010-06-07  Doug Kwan  <dougkwan@google.com>
3171
3172         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3173         Restrict stub-group size to be within long conditional branch
3174         range when working around cortex-A8 erratum.
3175
3176 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3177
3178         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3179         #ifdef typo.
3180
3181 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3182
3183         PR gold/11658
3184         * output.cc
3185         (Output_section::Input_section_sort_entry::compare_section_ordering):
3186         Change to return non-zero correctly.
3187         (Output_section::Input_section_sort_section_order_index_compare
3188         ::operator()): Change to fix ambiguity in comparisons.
3189
3190 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3191
3192         * gold.h (is_wildcard_string): New function.
3193         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3194         (Layout::layout_eh_frame): Ditto.
3195         (Layout::find_section_order_index): New method.
3196         (Layout::read_layout_from_file): New method.
3197         * layout.h (Layout::find_section_order_index): New method.
3198         (Layout::read_layout_from_file): New method.
3199         (Layout::input_section_position_): New private member.
3200         (Layout::input_section_glob_): New private member.
3201         * main.cc (main): Call read_layout_from_file here.
3202         * options.h (--section-ordering-file): New option.
3203         * output.cc (Output_section::input_section_order_specified_): New
3204         member.
3205         (Output_section::Output_section): Initialize new member.
3206         (Output_section::add_input_section): Add new parameter.
3207         Keep input sections when --section-ordering-file is used.
3208         (Output_section::set_final_data_size): Sort input sections when
3209         section ordering file is specified.
3210         (Output_section::Input_section_sort_entry): Add new parameter.
3211         Check sorting type.
3212         (Output_section::Input_section_sort_entry::compare_section_ordering):
3213         New method.
3214         (Output_section::Input_section_sort_compare::operator()): Change to
3215         consider section_order_index.
3216         (Output_section::Input_section_sort_init_fini_compare::operator()):
3217         Change to consider section_order_index.
3218         (Output_section::Input_section_sort_section_order_index_compare
3219         ::operator()): New method.
3220         (Output_section::sort_attached_input_sections): Change to sort
3221         according to section order when specified.
3222         (Output_section::add_input_section<32, true>): Add new parameter.
3223         (Output_section::add_input_section<64, true>): Add new parameter.
3224         (Output_section::add_input_section<32, false>): Add new parameter.
3225         (Output_section::add_input_section<64, false>): Add new parameter.
3226         * output.h (Output_section::add_input_section): Add new parameter.
3227         (Output_section::input_section_order_specified): New
3228         method.
3229         (Output_section::set_input_section_order_specified): New method.
3230         (Input_section::Input_section): Initialize section_order_index_.
3231         (Input_section::section_order_index): New method.
3232         (Input_section::set_section_order_index): New method.
3233         (Input_section::section_order_index_): New member.
3234         (Input_section::Input_section_sort_section_order_index_compare): New
3235         struct.
3236         (Output_section::input_section_order_specified_): New member.
3237         * script-sections.cc (is_wildcard_string): Delete and move modified
3238         method to gold.h.
3239         (Output_section_element_input::Output_section_element_input): Modify
3240         call to is_wildcard_string.
3241         (Output_section_element_input::Input_section_pattern
3242         ::Input_section_pattern): Ditto.
3243         (Output_section_element_input::Output_section_element_input): Ditto.
3244         * testsuite/Makefile.am (final_layout): New test case.
3245         * testsuite/Makefile.in: Regenerate.
3246         * testsuite/final_layout.cc: New file.
3247         * testsuite/final_layout.sh: New file.
3248
3249 2010-06-01  Rafael Espindola  <espindola@google.com>
3250
3251         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3252
3253 2010-06-01  Rafael Espindola  <espindola@google.com>
3254
3255         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3256         visibility of symbols.
3257
3258 2010-05-27  Doug Kwan  <dougkwan@google.com>
3259
3260         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3261         from start of output section instead of address for a local symbol
3262         in a merged or relaxed section when doing a relocatable link.
3263
3264 2010-05-26  Rafael Espindola  <espindola@google.com>
3265
3266        PR 11604
3267         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3268         adding sections the garbage collector removed.
3269         * gold/testsuite/Makefile.am: Add test.
3270         * gold/testsuite/Makefile.in: Regenerate.
3271         * gold/testsuite/plugin_test_7.sh: New.
3272         * gold/testsuite/plugin_test_7_1.c: New.
3273         * gold/testsuite/plugin_test_7_2.c: New.
3274
3275 2010-05-26  Rafael Espindola  <espindola@google.com>
3276
3277         * script-sections.cc (Output_section_definition::set_section_addresses):
3278         Check for --section-start.
3279
3280 2010-05-26  Doug Kwan  <dougkwan@google.com>
3281
3282         * arm.cc (Arm_scan_relocatable_relocs): New class.
3283         (Target_arm::relocate_special_relocatable): New method.
3284         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3285         (Arm_relocate_functions::thumb_branch_common): Same.
3286         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3287         instead of Default_scan_relocatable_relocs.
3288         * target-reloc.h (relocate_for_relocatable): Let target handle
3289         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3290         * target.h (Sized_target::relocate_special_relocatable): New method.
3291
3292 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3293
3294         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3295
3296 2010-05-23  Doug Kwan  <dougkwan@google.com>
3297
3298         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3299         instead of a cast.
3300         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3301         with a direct branch, not a conditional branch, to a stub.
3302         * merge.cc (Output_merge_base::record_input_section): New method
3303         defintion.
3304         (Output_merge_data::do_add_input_section): Record input section if
3305         keeps-input-sections flag is set.
3306         (Output_merge_string::do_add_input_section): Ditto.
3307         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3308         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3309         INPUT_SECTIONS_.
3310         (Output_merge_base::keeps_input_sections,
3311         Output_merge_base::set_keeps_input_sections,
3312         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3313         method definitions.
3314         (Output_merge_base::Input_sections): New type declaration.
3315         (Output_merge_base::input_sections_begin,
3316         Output_merge_base::input_sections_end,
3317         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3318         (Output_merge_base::bool keeps_input_sections_,
3319         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3320         Output_merge_base::input_sections_): New data members.
3321         (Output_merge_data::do_set_keeps_input_sections): New method
3322         defintion.
3323         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3324         * output.cc (Output_section::Input_section::relobj): Move method
3325         defintion from class declaration to here and handle merge sections.
3326         (Output_section::Input_section::shndx): Ditto.
3327         (Output_section::Output_section): Remove initializations of removed
3328         data members and initialize new data member LOOKUP_MAPS_.
3329         (Output_section::add_input_section): Set keeps-input-sections flag
3330         for a newly created merge output section as appropriate.  Adjust code
3331         to use Output_section_lookup_maps class.
3332         (Output_section::add_relaxed_input_section): Adjst code for lookup
3333         maps code refactoring.
3334         (Output_section::add_merge_input_section): Add a new parameter
3335         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3336         class.  If adding input section to a newly created merge output
3337         section fails, remove the new merge section.
3338         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3339         Adjust code for use of the Output_section_lookup_maps class.
3340         (Output_section::find_merge_section): Ditto.
3341         (Output_section::build_lookup_maps): New method defintion.
3342         (Output_section::find_relaxed_input_section): Adjust code to use
3343         Output_section_lookup_maps class.
3344         (Output_section::get_input_sections): Export merge sections.  Adjust
3345         code to use Output_section_lookup_maps class.
3346         (Output_section:::add_script_input_section): Adjust code to use
3347         Output_section_lookup_maps class.  Update lookup maps for merge
3348         sections also.
3349         (Output_section::discard_states): Use Output_section_lookup_maps.
3350         (Output_section::restore_states): Same.
3351         * output.h (Merge_section_properties): Move class defintion out of
3352         Output_section.
3353         (Output_section_lookup_maps): New class.
3354         (Output_section::Input_section::is_merge_section): New method
3355         defintion.
3356         (Output_section::Input_section::relobj): Move defintion out of class
3357         defintion.  Declare method only.
3358         (Output_section::Input_section::shndx): Ditto.
3359         (Output_section::Input_section::output_merge_base): New method defintion.
3360         (Output_section::Input_section::u2_.pomb): New union field.
3361         (Output_section::Merge_section_by_properties_map,
3362         Output_section::Output_section_data_by_input_section_map,
3363         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3364         Remove types.
3365         (Output_section::add_merge_input_section): Add new parameter
3366         KEEPS_INPUT_SECTIONS.
3367         (Output_section::build_lookup_maps): New method declaration.
3368         (Output_section::merge_section_map_,
3369         Output_section::merge_section_by_properties_map_,
3370         Output_section::relaxed_input_section_map_,
3371         Output_section::is_relaxed_input_section_map_valid_): Remove data
3372         members.
3373         (Output_section::lookup_maps_): New data member.
3374
3375 2010-05-21  Doug Kwan  <dougkwan@google.com>
3376
3377         PR gold/11619
3378         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3379         avoid a compilation error.
3380
3381 2010-05-19  Rafael Espindola  <espindola@google.com>
3382
3383         * script-sections.cc (Output_section_definition::allocate_to_segment):
3384         Update the phdrs_list even when the output section is NULL.
3385         * testsuite/Makefile.am: Add test.
3386         * testsuite/Makefile.in: Regenerate.
3387         * testsuite/script_test_9.cc: New.
3388         * testsuite/script_test_9.sh: New.
3389         * testsuite/script_test_9.t: New.
3390
3391 2010-05-19  Doug Kwan  <dougkwan@google.com>
3392
3393         * arm.cc (Arm_input_section::original_size): New method.
3394         (Arm_input_section::do_addralign): Add a cast.
3395         (Arm_input_section::do_output_offset): Remove static cast.
3396         (Arm_input_section::original_addralign,
3397          Arm_input_section::original_size_): Change type to uint32_t.
3398         (Arm_input_section::init): Add safe casts for section alignment
3399         and size.
3400         (Arm_input_section::set_final_data_size): Do not set address and
3401         offset of stub table.
3402         (Arm_output_section::fix_exidx_coverage): Change use of of
3403         Output_section::Simple_input_section to that of
3404         Output_section::Input_section.
3405         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3406         except for the first pass.
3407         * output.cc (Output_section::get_input_sections): Change type of
3408         input_sections to std::list<Input_section>.
3409         (Output_section::add_script_input_section): Rename from
3410         Output_section::add_simple_input_section.  Change type of SIS
3411         parameter from Simple_input_section to Input_section.
3412         * output.h (Output_section::Simple_input_section): Remove class.
3413         (Output_section::Input_section): Change class visibility to public.
3414         (Output_section::Input_section::addralign): Use stored alignments
3415         for special input sections if set.
3416         (Output_section::Input_section::set_addralign): New method.
3417         (Output_section::get_input_sections): Change parameter type from
3418         list of Simple_input_section to list of Input_section.
3419         (Output_section::add_script_input_section): Rename from
3420         Output_section::add_simple_input_section. Change first parameter's
3421         type from Simple_input_section to Input_section and remove the
3422         second and third parameters.
3423         * script-sections.cc (Input_section::Input_section_list): Change
3424         type to list of Output_section::Input_section/
3425         (Input_section_info::Input_section_info): Change parameter type of
3426         INPUT_SECTION to Output_section::Input_section.
3427         (Input_section_info::input_section): Change return type.
3428         (Input_section_info::input_section_): Change type to
3429         Output_section::Input_section.
3430         (Output_section_element_input::set_section_addresses): Adjust code
3431         to use Output_section::Input_section instead of
3432         Output_section::Simple_input_section.  Adjust code for renaming
3433         of Output_section::add_simple_input_section.
3434         (Orphan_output_section::set_section_addresses): Ditto.
3435
3436 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3437
3438         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3439         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3440
3441 2010-05-18  Rafael Espindola  <espindola@google.com>
3442
3443         * options.cc (General_options::finalize): Handle -nostdlib.
3444         * options.h (nostdlib): New option.
3445         * script.cc (script_add_search_dir): Handle -nostdlib.
3446
3447 2010-05-12  Doug Kwan  <dougkwan@google.com>
3448
3449         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3450         attributes section only if there no attributes section after merging.
3451         (Target_arm::merge_object_attributes): Move value of
3452         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3453         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3454         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3455         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3456         and arm_attr_merge_7.stdout.
3457         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3458         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3459         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3460         arm_attr_merge_7b.o): New rules.
3461         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3462         arm_attr_merge_7
3463         * testsuite/Makefile.in: Regenerate.
3464         * testsuite/arm_attr_merge.sh: New file.
3465         * testsuite/arm_attr_merge_[67][ab].s: Same.
3466
3467 2010-05-05  Nick Clifton  <nickc@redhat.com>
3468
3469         * po/es.po: Updated Spanish translation.
3470
3471 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3472
3473         * Makefile.am (install-exec-local): Properly install gold as
3474         default cross linker.
3475         * Makefile.in: Regenerated.
3476
3477 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3478             Nick Clifton  <nickc@redhat.com>
3479
3480         * configure.ac (install_as_default): Define and set to false
3481         unless --enable-gold or --enable-gold=both/gold has been
3482         specified.
3483         * configure: Regenerate.
3484
3485         * Makefile.am (install-exec-local): Install the executable as
3486         'ld.gold'.  If install_as_default is true then also install it as
3487         'ld'.
3488         * Makefile.in: Regenerated.
3489
3490 2010-04-24  Ian Lance Taylor  <iant@google.com>
3491
3492         * layout.cc (Layout::layout_reloc): In relocatable link don't
3493         combine reloc sections for grouped sections.
3494
3495 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3496
3497         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3498         sections that are not ordinary to icf.
3499         * icf.cc (get_section_contents): Handle relocation pointing to section
3500         with no object or shndx information.
3501         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3502         * testsuite/Makefile.in: Regenerate.
3503         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3504         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3505
3506 2010-04-22  Ian Lance Taylor  <iant@google.com>
3507
3508         * expression.cc (Expression::Expression_eval_info): Add
3509         result_alignment_pointer field.
3510         (Expression::eval_with_dot): Add result_alignment_pointer
3511         parameter.  Change all callers.
3512         (Expression::eval_maybe_dot): Likewise.
3513         (class Binary_expression): Add alignment_pointer parameter to
3514         left_value and right_value.  Change all callers.
3515         (BINARY_EXPRESSION): Set result alignment.
3516         (class Trinary_expression): Add alignment_pointer parameter to
3517         arg2_value and arg3_value.  Change all callers.
3518         (Trinary_cond::value): Set result alignment.
3519         (Max_expression::value, Min_expression::value): Likewise.
3520         (Align_expression::value): Likewise.
3521         * script-sections.cc (class Sections_element): Add dot_alignment
3522         parameter to set_section_addresses virtual function.  Update
3523         instantiations.
3524         (class Output_section_element): Likewise.
3525         (Script_sections::create_segments): Add dot_alignment parameter.
3526         Change all callers.
3527         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3528         (Script_sections::set_phdrs_clause_addresses): Likewise.
3529         * script-sections.h: Update declarations.
3530         * script.h: Update declarations.
3531         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3532         min_p_align.
3533         * testsuite/script_test_3.t: Set large alignment.
3534         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3535         segment has expected alignment.
3536
3537 2010-04-22  Nick Clifton  <nickc@redhat.com>
3538
3539         * po/gold.pot: Updated by the Translation project.
3540         * po/vi.po: Updated Vietnamese translation.
3541
3542 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3543
3544         * testsuite/Makefile.am (check_PROGRAMS): Add
3545         icf_virtual_function_folding_test.
3546         * testsuite/Makefile.in: Regenerated.
3547
3548 2010-04-15  Andrew Haley  <aph@redhat.com>
3549
3550         * options.h (merge_exidx_entries): New option.
3551         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3552         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3553         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3554         (Target_arm::merge_exidx_entries): New function.
3555         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3556         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3557         to Arm_exidx_fixup constructor.
3558         Add new arg, merge_exidx_entries.
3559         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3560         Arm_output_section::fix_exidx_coverage.
3561
3562 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3563
3564         * icf.cc (get_section_contents): Check for preemptible functions.
3565         Ignore addend when appropriate.
3566         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3567         section folded.
3568         (add_from_relobj): Check for section folded.
3569         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3570         * symtab.h (should_add_dynsym_entry): Add new parameter.
3571         * target-reloc.h (scan_relocs): Check for section folded.
3572         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3573         Check reloc types for function pointers in shared objects.
3574         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3575         case.
3576         (icf_preemptible_functions_test): New test case.
3577         (icf_string_merge_test): New test case.
3578         * testsuite.Makefile.in: Regenerate.
3579         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3580         bar_glob.  Refactor code.
3581         * testsuite/icf_preemptible_functions_test.cc: New file.
3582         * testsuite/icf_preemptible_functions_test.sh: New file.
3583         * testsuite/icf_string_merge_test.cc: New file.
3584         * testsuite/icf_string_merge_test.sh: New file.
3585         * testsuite/icf_virtual_function_folding_test.cc: New file.
3586         * testsuite/icf_virtual_function_folding_test.sh: New file.
3587
3588 2010-04-14  Doug Kwan  <dougkwan@google.com>
3589
3590         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3591         for local symbol recounting if we remove a section due to ICF.
3592         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3593         there are no regular objects in input.
3594
3595 2010-04-13  Doug Kwan  <dougkwan@google.com>
3596
3597         * arm.cc (Arm_input_section::set_final_data_size): Compute
3598         accurate final data size instead of using current data size.
3599
3600 2010-04-09  Doug Kwan  <dougkwan@google.com>
3601
3602         * layout.cc (Layout::choose_output_section): Handle script section
3603         types.
3604         (Layout::make_output_section_for_script): Add section type parameter.
3605         Handle script section types.
3606         * layout.h (Layout::make_output_section_for_script): Add section
3607         type parameter.
3608         * output.cc (Output_section::Output_section): Initialize data member
3609         is_noload_.
3610         (Output_section::do_reset_address_and_file_offset): Do not set address
3611         to 0 if section is a NOLOAD section.
3612         * output.h (Output_section::is_noload): New method.
3613         (Output_section::set_is_noload): Ditto.
3614         (Output_section::is_noload_): New data member.
3615         * script-c.h (Script_section_type): New enum type.
3616         (struct Parser_output_section_header): Add new file section_type.
3617         * script-sections.cc (Sections_element::output_section_name): Add
3618         parameter for returning script section type.
3619         (Output_section_definition::output_section_name): Ditto.
3620         (Output_section_definition::section_type)P; New method.
3621         (Output_section_definiton::script_section_type_name): Ditto.
3622         (Output_section_definition::script_section_type_): New data member.
3623         (Output_section_definition::Output_section_definition): Initialize
3624         data member Output_section_definition::script_section_type_.
3625         (Output_section_definition::create_sections): Pass script section type
3626         to Layout::make_output_section_for_script.
3627         (Output_section_definition::output_section_name): Return script
3628         section type to caller.
3629         (Output_section_definition::set_section_address): Do not advance
3630         dot value and load address if section type is NOLOAD.  Set address
3631         of NOLOAD sections regardless of section flags.
3632         (Output_section_definition::print): Print section type if it is
3633         not SCRIPT_SECTION_TYPE_NONE.
3634         (Output_section_definition::section_type): New method.
3635         (Output_section_definition::script_section_type_name): Ditto.
3636         (Script_sections::output_section_name): Add new parameter
3637         PSECTION_TYPE for returning script section type.  Pass it to
3638         section elements.  Handle discard sections.
3639         (Sort_output_sections::operator()): Handle NOLOAD sections.
3640         * script-sections.h (Script_sections::Section_type): New enum type.
3641         (Script_sections::output_section_name): Add a new parameter for
3642         returning script section type.
3643         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3644         INFO and NOLOAD.
3645         * yyscript.y (union): Add new field SECTION_TYPE.
3646         (COPY, DSECT, INFO, NOLOAD): New tokens.
3647         (opt_address_and_section_type): Change type to output_section_header.
3648         (section_type): New non-terminal
3649         (section_header): Handle section type.
3650         (opt_address_and_section_type): Return section type value.
3651
3652 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3653
3654         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3655         * testsuite/plugin_common_test_2.c (foo): Likewise.
3656
3657 2010-04-08  Doug Kwan  <dougkwan@google.com>
3658
3659         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3660         Output_merge_data.
3661         * output.cc (Output_section::add_merge_input_section): Simplify
3662         code and return status of Output_merge_base::add_input_section.
3663         Update merge section map only if Output_merge_base::add_input_section
3664         returns true.
3665
3666 2010-04-07  Doug Kwan  <dougkwan@google.com>
3667
3668         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3669         if section is marked as containing instructions but has no mapping
3670         symbols.
3671         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3672         correct section index.
3673         (Arm_relobj::find_linked_text_section): Ditto.
3674
3675 2010-04-07  Cary Coutant  <ccoutant@google.com>
3676
3677         * archive.cc (include_member): Destroy Read_symbols_data object before
3678         releasing file.
3679         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3680         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3681         (Read_symbols_data::~Read_symbols_data) New destructor.
3682         (Section_relocs::Section_relocs) New constructor.
3683         (Section_relocs::~Section_relocs) New destructor.
3684         (Read_relocs_data::Read_relocs_data) New constructor.
3685         (Read_relocs_data::~Read_relocs_data) New destructor.
3686         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3687         pointers to NULL after deleting.
3688
3689 2010-04-07  Doug Kwan  <dougkwan@google.com>
3690
3691         * arm.cc: Replace "endianity" with "endianness" in comments.
3692         (Arm_exidx_cantunwind): Ditto.
3693         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3694         (Arm_relobj::merge_flags_and_attributes): New method.
3695         (Arm_relobj::merge_flags_and_attributes_): New data member.
3696         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3697         (Arm_relobj::scan_sections_for_stubs): Ditto.
3698         (Arm_relobj::do_read_symbols): Check to see if we really want to
3699         merge processor-specific flags and attributes.  Exit early if
3700         an object is empty except for section names and the undefined symbol.
3701         (Target_arm::do_finalize_sections): Move check for ELF format to
3702         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3703         attributes from a regular object only when we have determined that
3704         it is aapropriate.  Do not create an .ARM.attributes section in
3705         output if there is no regular input object.
3706         (Target_arm::merge_processor_specific_flags): Check
3707         --warn-mismatch before printing any error.
3708         (Target_arm::merge_object_attributes): Ditto.
3709         * gold.cc (queue_middle_tasks): Handle the case in which there is
3710         no regular object in input.
3711         * options.cc (General_options::parse_EB): New method.
3712         (General_options::parse_EL): Same.
3713         (General_options::General_options): Initialize endianness_.
3714         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3715         New options.
3716         (General_options::Endianness): New enum.
3717         (General_options::endianness): New method.
3718         (General_options::endianness_): New data member.
3719         * parameters.cc (Parameters::set_options): Check target endianness.
3720         (Parameters::set_target_once): Ditto.
3721         (Parameters::check_target_endianness): New method.
3722         (parameters_force_valid_target): If either -EL or -EB is specified,
3723         use it to define endianness of default target.
3724         * parameters.h (Parameters::check_target_endianness): New method
3725         declaration.
3726         * target.h (class Target): Change "endianity" to "endianness"
3727         in comments.
3728
3729 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3730
3731         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3732         * configure: Regenerate.
3733         * Makefile.in: Regenerate.
3734         * testsuite/Makefile.in: Regenerate.
3735
3736 2010-04-06  Cary Coutant  <ccoutant@google.com>
3737
3738         gcc PR lto/42757
3739         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3740         prevailing definitions of common symbols.
3741         * testsuite/plugin_test_6.sh: New test case.
3742         * testsuite/plugin_common_test_1.c: New test case.
3743         * testsuite/plugin_common_test_2.c: New test case.
3744         * testsuite/Makefile.am (plugin_test_6): New test case.
3745         * testsuite/Makefile.in: Regenerate.
3746
3747 2010-04-06  Nick Clifton  <nickc@redhat.com>
3748
3749         * po/vi.po: New Vietnamese translation.
3750
3751 2010-03-30  Doug Kwan  <dougkwan@google.com>
3752
3753         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3754
3755 2010-03-25  Doug Kwan  <dougkwan@google.com>
3756
3757         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3758         to avoid a conversion warning on a 32-bit host.
3759
3760 2010-03-24  Ian Lance Taylor  <iant@google.com>
3761
3762         * testsuite/script_test_3.t: Add a TLS segment.
3763         * testsuite/Makefile.am (check_PROGRAMS): Add
3764         tls_phdrs_script_test.
3765         (tls_phdrs_script_test_SOURCES): Define.
3766         (tls_phdrs_script_test_DEPENDENCIES): Define.
3767         (tls_phdrs_script_test_LDFLAGS): Define.
3768         (tls_phdrs_script_test_LDADD): Define.
3769         * testsuite/Makefile.in: Rebuild.
3770
3771 2010-03-23  Cary Coutant  <ccoutant@google.com>
3772
3773         * fileread.cc (find_or_make_view): Fix comment.
3774
3775 2010-03-23  Ian Lance Taylor  <iant@google.com>
3776
3777         * script-sections.cc (class Orphan_section_placement): Define
3778         PLACE_TLS and PLACE_TLS_BSS.
3779         (Orphan_section_placement::Orphan_section_placement): Initialize
3780         new places.
3781         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3782         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3783         (tls_script_test_SOURCES): Define.
3784         (tls_script_test_DEPENDENCIES): Define.
3785         (tls_script_test_LDFLAGS): Define.
3786         (tls_script_test_LDADD): Define.
3787         * testsuite/Makefile.in: Rebuild.
3788
3789 2010-03-22  Doug Kwan  <dougkwan@google.com>
3790
3791         * arm.cc (Arm_relocate_functions::abs8,
3792         Arm_relocate_functions::abs16): Use correct check for overflow
3793         specified in the ARM ELF specs.
3794         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3795         target of a BLX instruction specially.
3796         (Reloc_stub::stub_type_for_reloc): Ditto.
3797         (Relocate::relocate): Use symbolic names instead of numeric relocation
3798         codes to report error.
3799         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3800         workaround.
3801         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3802         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3803         thumb2_blx_out_of_range.stdout
3804         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3805         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3806         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3807         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3808         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3809         thumb2_blx_in_range, thumb2_blx_in_range.o,
3810         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3811         thumb2_blx_out_of_range.o): New rules.
3812         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3813         thumb2_blx_in_range and thumb2_blx_out_of_range.
3814         * testsuite/Makefile.in: Regenerate.
3815         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3816         * testsuite/thumb_blx_in_range.s: New file.
3817         * testsuite/thumb_blx_out_of_range.s: New file.
3818
3819 2010-03-22  Rafael Espindola  <espindola@google.com>
3820
3821         * archive.cc (Should_include): Move to archive.h.
3822         (should_include_member): Make it a member of Archive.
3823         (Lib_group): New.
3824         (Add_lib_group_symbols): New.
3825         * archive.h: Include options.h.
3826         (Archive_member): Moved from Archive.
3827         (Should_include): Moved from archive.cc.
3828         (Lib_group): New.
3829         (Add_lib_group_symbols): New.
3830         * dynobj.cc (do_should_include_member): New.
3831         * dynobj.h (do_should_include_member): New.
3832         * gold.cc (queue_initial_tasks): Update call to queue.
3833         * main.cc (main): Print lib group stats.
3834         * object.cc (do_should_include_member): New.
3835         * object.h: Include archive.h.
3836         (Object::should_include_member): New.
3837         (Object::do_should_include_member): New.
3838         (Sized_relobj::do_should_include_member): New.
3839         * options.cc (General_options::parse_start_lib): New.
3840         (General_options::parse_end_lib): New.
3841         (Input_arguments::add_file): Handle lib groups.
3842         (Input_arguments::start_group): Check we are not in a lib.
3843         (Input_arguments::start_lib): New.
3844         (Input_arguments::end_lib): New.
3845         * options.h (General_options): Add start_lib and end_lib.
3846         (Input_argument::lib_): New.
3847         (Input_argument::lib): New.
3848         (Input_argument::is_lib): New.
3849         (Input_file_lib): New.
3850         (Input_arguments::in_lib_): New.
3851         (Input_arguments::in_lib): New.
3852         (Input_arguments::start_lib): New.
3853         (Input_arguments::end_lib_): New.
3854         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3855         in unused members as preempted.
3856         (Sized_pluginobj::do_should_include_member): New.
3857         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3858         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3859         return the blocker.
3860         (Read_symbols::do_whole_lib_group): New.
3861         (Read_symbols::do_lib_group): New.
3862         (Read_symbols::do_read_symbols): Handle lib groups.
3863         (Read_symbols::get_name): Handle lib groups.
3864         * readsyms.h (Read_symbols): Add an archive member pointer.
3865         (Read_symbols::do_whole_lib_group): New.
3866         (Read_symbols::do_lib_group): New.
3867         (Read_symbols::member_): New.
3868         * script.cc (read_input_script): Update call to queue_soon.
3869
3870 2010-03-19  Doug Kwan  <dougkwan@google.com>
3871
3872         * arm.cc (Stub_table::Stub_table): Initialize new data members
3873         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3874         (Stub_table::add_reloc_stub): Assign stub offset and update
3875         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3876         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3877         New data members.
3878         (Stub_table::update_data_size_and_addralign): Use
3879         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3880         instead of going over all reloc stubs.
3881         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3882         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3883         Stringpool_template::offset_ to size of Stringpool_char.
3884         (Stringpool_template::new_key_offset): Remove code to initialize
3885         Stringpool_template::offset_.
3886         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3887         Stringpool_template::offset_ to zero.
3888
3889 2010-03-15  Doug Kwan  <dougkwan@google.com>
3890
3891         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3892         offset_.
3893         (Stringpool_template::new_key_offset): New method.
3894         (Stringpool_template::add_string): Assign offsets when adding new
3895         strings.
3896         (Stringpool_template::set_string_offsets): Do not set string offsets
3897         when not optimizing.
3898         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3899         member size_.
3900         (Chunked_vector::clear): Clear size_.
3901         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3902         (Chunked_vector::size): Return size_.
3903         (Chunked_vector::push_back): Use size_ to find insert position.
3904         (Chunked_vector::size_): New data member.
3905         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3906         (Stringpool_template::new_key_offset): New method declaration.
3907         (Stringpool_template::offset_): New data member.
3908
3909 2010-03-15   Rafael Espindola  <espindola@google.com>
3910
3911         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3912         Add_symbols' constructor.
3913         * readsyms.h (Add_symbols): Remove the input_group member.
3914
3915 2010-03-10  Ian Lance Taylor  <iant@google.com>
3916
3917         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3918         target to ask whether a reference to a symbol requires a stack
3919         split.
3920         * target.h (Target::is_call_to_non_split): New function.
3921         (Target::do_is_call_to_non_split): Declare virtual function.
3922         * target.cc: Include "symtab.h".
3923         (Target::do_is_call_to_non_split): New function.
3924         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3925
3926 2010-03-10  Cary Coutant  <ccoutant@google.com>
3927
3928         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3929         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3930         (File_read::open[2]): Add whole_file_view_ to list of views.
3931         (File_read::make_view): Remove test of whole_file_view_.
3932         (File_read::find_or_make_view): Create whole_file_view_ if
3933         necessary.
3934         (File_read::clear_views): Replace bool parameter with enum;
3935         adjust all callers.  Don't delete views with permanent data;
3936         do delete cached views and views from archives if
3937         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3938         if clearing the corresponding view.
3939         * fileread.h (File_read::Clear_views_mode): New enum.
3940         (File_read::View::is_permanent_view): New method.
3941         (File_read::clear_views): Replace bool parameter
3942         with enum; adjust all callers.
3943         * options.h (General_options): Change keep_files_mapped option;
3944         add map_whole_files.
3945         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3946         releasing the file.
3947         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3948         the file.
3949
3950 2010-03-10  David S. Miller  <davem@davemloft.net>
3951
3952         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3953
3954 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3955
3956         * icf.cc (get_section_contents): Add '@' marker after processing the
3957         merge reloc.
3958
3959 2010-03-08  Doug Kwan  <dougkwan@google.com>
3960
3961         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3962         due to a conversion warning.
3963         (Arm_relobj::update_output_local_symbol_count): Check for local
3964         symbol with unset output index.
3965
3966 2010-03-05  Ian Lance Taylor  <iant@google.com>
3967
3968         * options.h (class General_options): Add --spare-dynamic-tags.
3969         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3970         --spare-dynamic-tags.
3971
3972 2010-03-05  Ian Lance Taylor  <iant@google.com>
3973
3974         * incremental.cc: Include "libiberty.h".
3975
3976 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3977
3978         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3979         function, is_info_ member.
3980         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3981         (Versions::Versions): Update caller.
3982         (Versions::define_base_version): Likewise.
3983         (Versions::add_def): Likewise.
3984
3985 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3986
3987         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3988         (Scan::possible_function_pointer_reloc): New function.
3989         (Scan::local_reloc_may_be_function_pointer): Change to call
3990         possible_function_pointer_reloc.
3991         (Scan::global_reloc_may_be_function_pointer): Ditto.
3992         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3993         relocations in ".data.rel.ro._ZTV" section.
3994         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3995         * testsuite/icf_safe_so_test.cc: Ditto.
3996         * testsuite/icf_safe_test.cc: Ditto.
3997         * testsuite/icf_safe_test.sh: Ditto.
3998
3999 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4000             Ian Lance Taylor  <iant@google.com>
4001
4002         * target-reloc.h (relocate_section): Check the symbol table index
4003         for -1U before setting the local symbol index.
4004         (scan_relocatable_relocs): If copying the relocation, record that
4005         the local symbol is required.
4006         * object.h (Symbol_value::is_output_symtab_index_set): New
4007         function.
4008         (Symbol_value::may_be_discarded_from_output_symtab): New
4009         function.
4010         (Symbol_value::has_output_symtab_entry): New function.
4011         (Symbol_value::needs_output_symtab_entry): Remove.
4012         (Symbol_value::output_symtab_index): Make sure the symbol index is
4013         set.
4014         (Symbol_value::set_output_symtab_index): Make sure the symbol
4015         index is not set.  Make sure the new index is valid.
4016         (Symbol_value::set_must_have_output_symtab_entry): New function.
4017         (Symbol_value::has_output_dynsym_entry): New function.
4018         (Symbol_value::set_output_dynsym_index): Make sure the new index
4019         is valid.
4020         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4021         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4022         local symbol if permitted.
4023         (Sized_relobj::do_finalize_local_symbols): Call
4024         is_output_symtab_index_set rather than needs_output_symtab_entry.
4025         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4026         rather than needs_output_symtab_entry.  Call
4027         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4028         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4029         is_output_symtab_index_set rather than needs_output_symtab_entry.
4030         * testsuite/discard_locals_relocatable_test.c: New file.
4031         * testsuite/discard_locals_test.sh: Test -r.
4032         * testsuite/Makefile.am (check_DATA): Add
4033         discard_locals_relocatable_test1.syms,
4034         discard_local_relocatable_test2.syms.
4035         (MOSTLYCLEANFILES): Likewise.  Also add
4036         discard_locals_relocatable_test1.lout and
4037         discard_locals_relocatable_test2.out.
4038         (discard_locals_relocatable_test1.syms): New target.
4039         (discard_locals_relocatable_test.o): New target.
4040         (discard_locals_relocatable_test1.out): New target.
4041         (discard_locals_relocatable_test2.syms): New target.
4042         (discard_locals_relocatable_test2.out): New target.
4043         (various): Add missing ../ld-new dependencies.
4044         * testsuite/Makefile.in: Rebuild.
4045
4046 2010-03-03  Nick Clifton  <nickc@redhat.com>
4047
4048         * po/fi.po: New Finnish translation.
4049
4050 2010-03-01  Doug Kwan  <dougkwan@google.com>
4051
4052         * layout.cc (Layout::Layout): Force section types of .init_array*,
4053         .preinit_array* and .fini_array* sections.
4054         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4055         Fix check of return value of std::string::find.().
4056         (Output_section::Input_section_sort_compare::operator()): Remove
4057         comment about .init_array.
4058         (Output_section::Input_section_sort_init_fini_compare::operator()):
4059         New method.
4060         (Output_section::sort_attached_input_sections): Handle .init_array
4061         and .fini_array specially.
4062         * output.h (Output_section::Inut_section_sort_compare): Update
4063         comment.
4064         (Output_section::Input_section_sort_init_fini_compare): New struct.
4065
4066 2010-02-26  Doug Kwan  <dougkwan@google.com>
4067
4068         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4069         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4070         * testsuite/debug_msg.sh: Avoid matching source line number for
4071         use of global variable undef_int.
4072
4073 2010-02-26  Doug Kwan  <dougkwan@google.com>
4074
4075         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4076         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4077         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4078         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4079         * options.cc (General_options::General_options): Initialize member
4080         fix_v4bx_.
4081         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4082         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4083         and rm_no_fix_v4bx.stdout
4084         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4085         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4086         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4087         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4088         and arm_no_fix_v4bx.
4089         * Makefile.in: Regenerate.
4090         * testsuite/arm_fix_v4bx.s: New file.
4091         * testsuite/arm_fix_v4bx.sh: Ditto.
4092
4093 2010-02-24  Doug Kwan  <dougkwan@google.com>
4094
4095         * arm.cc (Target_arm::got_section): Make the .got section the first
4096         non RELRO section in the data segment.
4097         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4098         suffixes of section names.
4099
4100 2010-02-24  Doug Kwan  <dougkwan@google.com>
4101
4102         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4103         flags and attributes merging if an input file is a binary file.
4104         * fileread.cc (Input_file::open): Record format of original file.
4105         * fileread.h (Input_file::Format): New enum type.
4106         (Input_file::Input_file): Initialize data member format_.
4107         (Input_file::format): New method definition.
4108         (Input_file::format_):: New data member.
4109
4110 2010-02-24  Doug Kwan  <dougkwan@google.com>
4111
4112         * arm.cc (Arm_output_data_got): New class.
4113         (ARM_TCB_SIZE): New constant
4114         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4115         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4116         If user uses a script with a SECTIONS clause, issue only a warning
4117         for a misplaced EXIDX input section.  Otherwise, issue an error.
4118         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4119         garbage collection.
4120         (Target_arm::got_mode_index_entry): Handle static linking.
4121         (Target_arm::Scan::local): Ditto.
4122         (Target_arm::Scan::global): Ditto.
4123         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4124         all incorrectly implemented relocations.
4125         (Target_arm::fix_exidx_coverage): Pass layout to
4126         Arm_output_section::fix_exidx_coverage.
4127         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4128         from ".ARM.exidx." and ".ARM.extab.".
4129
4130 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4131
4132         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4133         section if it does not already exist.
4134         * attributes.cc (Attributes_section_data::Attributes_section_data):
4135         Don't crash if size is zero.
4136
4137 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4138             Ian Lance Taylor  <iant@google.com>
4139
4140         * gold.cc (queue_middle_tasks): If no input files were opened,
4141         exit.
4142         * workqueue.h (Task_function::Task_function): Assert that there is
4143         a blocker.
4144
4145 2010-02-22  Doug Kwan  <dougkwan@google.com>
4146
4147         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4148         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4149         types to avoid warnings due to different uint64_t implementations
4150         on different hosts.
4151
4152 2010-02-21  Doug Kwan  <dougkwan@google.com>
4153
4154         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4155         handling of the maximum backward branch offset.
4156         (Arm_relocate_functions::thumb_branch_common): Ditto.
4157         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4158         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4159         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4160         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4161         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4162         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4163         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4164         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4165         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4166         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4167         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4168         thumb2_bl_out_of_range.o): New rules.
4169         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4170         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4171         thumb2_bl_out_of_range
4172         * testsuite/Makefile.in: Regenerate.
4173         * testsuite/arm_bl_in_range.s: New file.
4174         * testsuite/arm_bl_out_of_range.s: Ditto.
4175         * testsuite/arm_branch_in_range.sh: Ditto.
4176         * testsuite/arm_branch_range.t: Ditto.
4177         * testsuite/thumb2_branch_range.t: Ditto.
4178         * testsuite/thumb_bl_in_range.s: Ditto.
4179         * testsuite/thumb_bl_out_of_range.s: Ditto.
4180         * testsuite/thumb_branch_range.t: Ditto.
4181
4182 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4183
4184         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4185         Add reloc offset information.
4186         * icf.cc (get_section_contents): Change iterators to point to the new
4187         vectors. Add reloc offset information to the contents.
4188         * icf.h (Icf::Sections_reachable_info): New typedef.
4189         (Icf::Sections_reachable_list): New typedef.
4190         (Icf::Offset_info): New typedef.
4191         (Icf::Reloc_info): New struct typedef.
4192         (Icf::Reloc_info_list): New typedef.
4193         (Icf::symbol_reloc_list): Delete method.
4194         (Icf::addend_reloc_list): Delete method.
4195         (Icf::section_reloc_list): Delete method.
4196         (Icf::reloc_info_list): New method.
4197         (Icf::reloc_info_list_): New member.
4198
4199 2010-02-19  Doug Kwan  <dougkwan@google.com>
4200
4201         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4202         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4203         * arm.cc (Arm_relocation_functions): New forward declaration.
4204         (Target_arm::Target_arm): Initialize new data members
4205         got_mod_index_offset_ and tls_base_symbol_defined_.
4206         (Target_arm::Relocate::relocate_tls): New method.
4207         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4208          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4209         New methods.
4210         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4211         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4212         (Target_arm::got_mod_index_offset_,
4213         Target_arm::tls_base_symbol_defined_): New data members.
4214         (Target_arm::Scan::local, Target::Scan::global,
4215         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4216         relocations.
4217
4218 2010-02-18  Doug Kwan  <dougkwan@google.com>
4219
4220         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4221         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4222         text section as a parameter becuase some broken tools may not set
4223         the link in section header.
4224         (Target_arm::has_got_section): New method.
4225         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4226         without any mapping symbol as data only.  Remove warning.
4227         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4228         link in its section header, try to discover the link by inspecting the
4229         REL31 relocation at the beginning of the section.
4230         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4231         in error message.
4232         (Target_arm::Scan::global): Treat any reference to the symbol
4233         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4234
4235 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4236
4237         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4238         (Scan::global_reloc_may_be_function_pointer): New function.
4239         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4240         (Scan::global_reloc_may_be_function_pointer): New function.
4241         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4242         (Scan::global_reloc_may_be_function_pointer): New function.
4243         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4244         (Scan::global_reloc_may_be_function_pointer): New function.
4245         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4246         (Scan::global_reloc_may_be_function_pointer): New function.
4247         (Scan::possible_function_pointer_reloc): New function.
4248         (Target_x86_64::can_check_for_function_pointers): New function.
4249         * gc.h (gc_process_relocs): Scan relocation types to determine if
4250         function pointers were taken for targets that support it.
4251         * icf.cc (Icf::find_identical_sections): Include functions for
4252         folding in safe ICF whose pointer is not taken.
4253         * icf.h (Secn_fptr_taken_set): New typedef.
4254         (fptr_section_id_): New member.
4255         (section_has_function_pointers): New function.
4256         (set_section_has_function_pointers): New function.
4257         (check_section_for_function_pointers): New function.
4258         * options.h: Fix comment for safe ICF option.
4259         * target.h (can_check_for_function_pointers): New function.
4260         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4261         Modify icf_safe_test for X86-64.
4262         * testsuite/Makefile.in: Regenerate.
4263         * testsuite/icf_safe_so_test.cc: New file.
4264         * testsuite/icf_safe_so_test.sh: New file.
4265         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4266         (main): Change to take pointer to function kept_func_3.
4267         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4268         folding is done correctly for X86-64.
4269
4270 2010-02-12  David S. Miller  <davem@davemloft.net>
4271
4272         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4273         is_symbolless parameter.
4274         (Output_reloc<SHT_REL>::is_symbolless): New.
4275         (Output_reloc<SHT_REL>::is_symbolless_): New.
4276         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4277         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4278         (Output_reloc<SHT_RELA>::is_symbolless): New.
4279         (Output_data_reloc::add_global): Handle is_symbolless.
4280         (Output_data_reloc::add_global_relative): Likewise.
4281         (Output_data_reloc::add_local): Likewise.
4282         (Output_data_reloc::add_local_relative): Likewise.
4283         (Output_data_reloc::add_symbolless_global_addend): New.
4284         (Output_data_reloc::add_symbolless_local_addend): New.
4285         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4286         is_symbolless.
4287         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4288         instead of ->is_relative_
4289         (Output_reloc::write): Likewise.
4290         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4291         (Output_reloc::write_rel): Simplify.
4292
4293         * sparc.cc (Target_sparc::Scan::local): Use
4294         ->add_symbolless_local_addend as needed.
4295         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4296         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4297         based upon relocation offset.
4298
4299 2010-02-11  Doug Kwan  <dougkwan@google.com>
4300
4301         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4302         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4303         beginning of function.
4304         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4305         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4306         parameter is_32bit in calls to should_apply_static_reloc.
4307         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4308         (check_DATA): Add arm_abs_global.stdout.
4309         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4310         arm_abs_global.stdout): New rules.
4311         (MOSTLLYCLEANFILES): Add arm_abs_global
4312         * Makefile.in: Regenerate.
4313         * testsuite/arm_abs_global.s: New file.
4314         * testsuite/arm_abs_global.sh: Ditto.
4315         * testsuite/arm_abs_lib.s: Ditto.
4316
4317 2010-02-11  Ian Lance Taylor  <iant@google.com>
4318
4319         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4320         Read_relocs task.
4321         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4322         Allocate_commons_task first.
4323         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4324         task, rather than symtab_lock_.
4325         (Gc_process_relocs::~Gc_process_relocs): New function.
4326         (Gc_process_relocs::is_runnable): Check this_blocker_.
4327         (Gc_process_relocs::locks): Use next_blocker_ rather than
4328         blocker_.
4329         (Scan_relocs::~Scan_relocs): New function.
4330         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4331         symtab_lock_.
4332         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4333         next_blocker_.
4334         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4335         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4336         constructor accordingly.
4337         (class Gc_process_relocs): Likewise.
4338         (class Scan_relocs): Likewise.
4339         * common.h (class Allocate_commons_task): Remove symtab_lock_
4340         field, and corresponding constructor parameter.
4341         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4342         symtab_lock_.
4343         (Allocate_commons_task::locks): Likewise.
4344
4345 2010-02-11  Ian Lance Taylor  <iant@google.com>
4346
4347         * gold-threads.h (class Once): Define.
4348         (class Initialize_lock): Rewrite as child of Once.
4349         * gold-threads.cc (class Once_initialize): Define.
4350         (once_pointer_control): New static variable.
4351         (once_pointer, once_arg): New static variables.
4352         (c_run_once): New static function.
4353         (Once::Once, Once::run_once, Once::internal_run): New functions.
4354         (class Initialize_lock_once): Remove.
4355         (initialize_lock_control): Remove.
4356         (initialize_lock_pointer): Remove.
4357         (initialize_lock_once): Remove.
4358         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4359         (Initialize_lock::initialize): Rewrite.
4360         (Initialize_lock::do_run_once): New function.
4361         * archive.cc (Archive::interpret_header): Only clear name if it is
4362         not already empty.
4363         * fileread.cc: Include "gold-threads.h"
4364         (file_counts_lock): New static variable.
4365         (file_counts_initialize_lock): Likewise.
4366         (File_read::release): Only increment counts when using --stats.
4367         Use a lock around the increment.
4368         * parameters.cc (class Set_parameters_target_once): Define.
4369         (set_parameters_target_once): New static variable.
4370         (Parameters::Parameters): Move here from parameters.h.
4371         (Parameters::set_target): Rewrite.
4372         (Parameters::set_target_once): New function.
4373         (Parameters::clear_target): Move here and rewrite.
4374         * parameters.h (class Parameters): Update declarations.  Add
4375         set_parameters_target_once_ field.
4376         (Parameters::Parameters): Move to parameters.cc.
4377         (Parameters::clear_target): Likewise.
4378         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4379         task.
4380         (Start_group::~Start_group): New function.
4381         (Start_group::is_runnable): New function.
4382         (Start_group::locks, Start_group::run): New functions.
4383         (Finish_group::run): Change saw_undefined to size_t.
4384         * readsyms.h (class Start_group): Define.
4385         (class Finish_group): Change saw_undefined_ field to size_t.
4386         (Finish_group::Finish_group): Remove saw_undefined and
4387         this_blocker parameters.  Change all callers.
4388         (Finish_group::set_saw_undefined): New function.
4389         (Finish_group::set_blocker): New function.
4390         * symtab.h (class Symbol_table): Change saw_undefined to return
4391         size_t.  Change saw_undefined_ field to size_t.
4392         * target-select.cc (Set_target_once::do_run_once): New function.
4393         (Target_selector::Target_selector): Initialize set_target_once_
4394         field.  Don't initialize lock_ and initialize_lock_ fields.
4395         (Target_selector::instantiate_target): Rewrite.
4396         (Target_selector::set_target): New function.
4397         * target-select.h (class Set_target_once): Define.
4398         (class Target_selector): Update declarations.  Make
4399         Set_target_once a friend.  Remove lock_ and initialize_lock_
4400         fields.  Add set_target_once_ field.
4401
4402 2010-02-10  Ian Lance Taylor  <iant@google.com>
4403
4404         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4405         queueing any tasks.
4406         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4407         (queue_middle_tasks): Add all blockers before queueing any tasks.
4408         (queue_final_tasks): Likewise.
4409         * token.h (Task_token::add_blockers): New function.
4410         * object.h (Input_objects::number_of_relobjs): New function.
4411
4412 2010-02-10  Ian Lance Taylor  <iant@google.com>
4413
4414         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4415         shared, not if not position independent.
4416         * x86_64.cc (Relocate::relocate_tls): Likewise.
4417         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4418         (tls_pie_pic_test): New target.
4419         * testsuite/Makefile.in: Rebuild.
4420
4421         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4422         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4423         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4424         * testsuite/Makefile.in: Rebuild.
4425
4426 2010-02-09  David S. Miller  <davem@davemloft.net>
4427
4428         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4429         R_SPARC_RELATIVE using ->add_local_relative().
4430         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4431
4432         * output.h (Output_data_dynamic::add_section_size): New method
4433         that takes two Output_data objects.
4434         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4435         entry param.  Handle it in initializers.
4436         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4437         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4438         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4439         arg.
4440         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4441         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4442         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4443         for dynrel_includes_plt.
4444         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4445         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4446         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4447         before .rela.plt
4448         (Target_sparc::do_finalize_sections): Update to pass true for
4449         dynrel_includes_plt.
4450         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4451         output before .rela.plt
4452         (Target_powerpc::do_finalize_sections): Update to pass true for
4453         dynrel_includes_plt when 32-bit.
4454
4455 2010-02-08  Doug Kwan  <dougkwan@google.com>
4456
4457         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4458         method.
4459         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4460         Arm_relobj::scan_section_for_cortex_a8_stubs,
4461         Arm_relobj::do_relocation_section): Instead of calling
4462         Output_section::output_address, use faster
4463         Arm_relobj::simple_input_section_output_address.
4464
4465 2010-02-08  David S. Miller  <davem@davemloft.net>
4466
4467         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4468         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4469         relocation helper function.
4470
4471         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4472         just like R_SPARC_GOT{10,13,22}.
4473         (Target_sparc::Scan::local): Likewise.
4474         (Target_sparc::Relocate:relocate): Likewise.
4475
4476 2010-02-06  Ian Lance Taylor  <iant@google.com>
4477
4478         * configure.ac: Rewrite targetobjs duplicate removal code to use
4479         only shell constructs.
4480         * configure: Rebuild.
4481
4482 2010-02-05  Doug Kwan  <dougkwan@google.com>
4483
4484         PR 11247
4485         * arm.cc (Arm_relobj::section_is_scannable): New method.
4486         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4487         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4488
4489 2010-02-04  Doug Kwan  <dougkwan@google.com>
4490
4491         PR 11247
4492         * arm-reloc-property.cc (cstdio): Include.
4493         * configure.ac (targetobjs): Remove duplicates.
4494         * configure: Regenerate.
4495         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4496         big and little endian version for a given address size.
4497
4498 2010-02-03  Doug Kwan  <dougkwan@google.com>
4499
4500         * arm-reloc-property.cc
4501         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4502         definition.
4503         * arm-reloc-property.h
4504         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4505         New method definition.
4506         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4507         declaration.
4508         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4509         overflow to N.
4510         (GOT_PREL): Change implemented to Y.
4511         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4512         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4513         (Arm_relocate_functions::movw_abs_nc): Remove method.
4514         (Arm_relocate_functions::movt_abs): Ditto.
4515         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4516         (Arm_relocate_functions::thm_movt_abs): Ditto.
4517         (Arm_relocate_functions::movw_rel_nc): Ditto.
4518         (Arm_relocate_functions::movw_rel): Ditto.
4519         (Arm_relocate_functions::movt_rel): Ditto.
4520         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4521         (Arm_relocate_functions:thm_movw_rel): Ditto.
4522         (Arm_relocate_functions:thm_movt_rel): Ditto.
4523         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4524         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4525         New method definitions.
4526         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4527         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4528         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4529         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4530         (Target_arm::Relocate::relocate): Check for non-static or
4531         unimplemented relocation code and exit early.  Change calls to
4532         Target_arm::reloc_uses_thumb_bit and
4533         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4534         instead.  Refactor code to handle similar relocations to increase
4535         code sharing.  Remove check for unsupported relocation code in switch
4536         statement.
4537         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4538         relocation property table to find out size.  Change error message to
4539         print out the name of a relocation code instead of the numeric value.
4540         (Target_arm::scan_reloc_for_stub): Use relocation property table
4541         instead of calling Target_arm::reloc_uses_thumb_bit().
4542
4543 2010-02-02  Doug Kwan  <dougkwan@google.com>
4544
4545         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4546         types of relaxed input section.
4547
4548 2010-02-02  Doug Kwan  <dougkwan@google.com>
4549
4550         * Makefile.am (HFILES): Add arm-reloc-property.h.
4551         (DEFFILES): New.
4552         (TARGETSOURCES): Add arm-reloc-property.cc
4553         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4554         (libgold_a_SOURCES): $(DEFFILES)
4555         * Makefile.in: Regenerate.
4556         * arm-reloc-property.cc: New file.
4557         * arm-reloc-property.h: New file.
4558         * arm-reloc.def: New file.
4559         * arm.cc: Update comments.
4560         (arm-reloc-property.h): New included header.
4561         (arm_reloc_property_table): New global variable.
4562         (Target_arm::do_select_as_default_target): New method definition.
4563         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4564         arm-reloc-property to targ_extra_obj.
4565         * parameters.cc (set_parameters_target): Call
4566         Target::select_as_default_target().
4567         * target.h (Target::select_as_default_target): New method definition.
4568         (Target::do_select_as_default_target): Same.
4569
4570 2010-02-01  Doug Kwan  <dougkwan@google.com>
4571
4572         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4573         first_output_text_section_.
4574         (Arm_exidx_fixup::first_output_text_section): New method definition.
4575         (Arm_exidx_fixup::first_output_text_section_): New data member.
4576         (Arm_exidx_fixup::process_exidx_section): Record the first text
4577         output section seen.
4578         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4579         and entsize in output section header.
4580
4581 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4582
4583         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4584         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4585         (Arm_relocate_functions::thm_alu11): New Method.
4586         (Arm_relocate_functions::thm_pc8): New Method.
4587         (Arm_relocate_functions::thm_pc12): New Method.
4588         (Target_arm::Scan::local): Handle the relocations.
4589         (Target_arm::Scan::global): Likewise.
4590         (Target_arm::Relocate::relocate): Likewise.
4591         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4592
4593 2010-01-29  Doug Kwan  <dougkwan@google.com>
4594
4595         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4596         of relocation types as ld.
4597
4598 2010-01-29  Doug Kwan  <dougkwan@google.com>
4599
4600         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4601         to public.
4602         (Arm_relocate_functions::thumb_branch_common): Ditto.
4603         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4604         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4605         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4606         Arm_relocate_functions::jump24): Remove.
4607         (Target_arm::Relocate::relocate): Adjust code to call
4608         Arm_relocation_functions::arm_branch_common and
4609         Arm_relocation_functions::thumb_branch_common instead of their removed
4610         wrappers.  Merge switch-cases together to reduce source code size.
4611
4612 2010-01-29  Doug Kwan  <dougkwan@google.com>
4613
4614         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4615         output_local_symbol_count_needs_update_.
4616         (Arm_relobj::output_local_symbol_count_needs_update,
4617          Arm_relobj::set_output_local_symbol_count_needs_update,
4618          Arm_relobj::update_output_local_symbol_count): New methods.
4619         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4620         member.
4621         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4622         of pointed function as in a R_ARM_PREL31 relocation.
4623         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4624         for output local symbol count updating.
4625         (Target_arm::do_relax): Update output local symbol counts in objects
4626         if necessary.
4627         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4628
4629 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4630
4631         * arm.cc: Added support for the ARM relocations:
4632         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4633         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4634         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4635         movw_prel_nc).
4636         (Arm_relocate_functions::movw_rel): New method.
4637         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4638         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4639         thm_movw_prel_nc).
4640         (Arm_relocate_functions::thm_movw_rel): New method.
4641         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4642         thm_movt_prel).
4643         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4644         relocations.
4645         (Target_arm::Scan::global): Likewise.
4646         (Target_arm::Relocate::relocate): Likewise.
4647         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4648         Likewise.
4649
4650 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4651
4652         * arm.cc: Added support for ARM group relocations.
4653         (Target_arm::reloc_needs_sym_origin): New method.
4654         (Arm_relocate_functions::calc_grp_kn): New method.
4655         (Arm_relocate_functions::calc_grp_residual): New method.
4656         (Arm_relocate_functions::calc_grp_gn): New method.
4657         (Arm_relocate_functions::arm_grp_alu): New Method.
4658         (Arm_relocate_functions::arm_grp_ldr): New Method.
4659         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4660         (Arm_relocate_functions::arm_grp_ldc): New Method.
4661         (Target_arm::Scan::local): Handle the ARM group relocations.
4662         (Target_arm::Scan::global): Likewise.
4663         (Target_arm::Relocate::relocate): Likewise.
4664         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4665         Likewise.
4666
4667 2010-01-26  Doug Kwan  <dougkwan@google.com>
4668
4669         * arm.cc (set): Include.
4670         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4671         pointer type.
4672         (Arm_output_section::Text_section_list): New type.
4673         (Arm_output_section::append_text_sections_to_list): New method.
4674         (Arm_output_section::fix_exidx_coverage): Ditto.
4675         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4676         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4677         Relobj::set_section_offset() instead of
4678         Sized_relobj::invalidate_section_offset().
4679         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4680         parameter for section headers. Ignore relocation sections for
4681         unallocated sections and EXIDX sections.
4682         (Target_arm::fix_exidx_coverage): New method.
4683         (Target_arm::output_section_address_less_than): New type.
4684         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4685         linked text section instead of the EXIDX section.
4686         (Arm_output_section::create_stub_group): Add an assertion to check
4687         that this is not an EXIDX output section.
4688         (Arm_output_section::append_text_sections_to_list): New method.
4689         (Arm_output_section::fix_exidx_coverage): Ditto.
4690         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4691         Arm_relobj::section_needs_reloc_stub_scanning.
4692         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4693         first pass.
4694         (Target_arm::fix_exidx_coverage): New method.
4695         * object.h (Relobj::set_output_section): New method.
4696         (Sized_relobj::invalidate_section_offset): Remove method.
4697         (Sized_relobj::do_invalidate_section_offset): Remove method.
4698         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4699
4700 2010-01-25  Doug Kwan  <dougkwan@google.com>
4701
4702         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4703         Fix warning due to signed and unsigned comparison on a 32-bit host.
4704
4705 2010-01-22  Doug Kwan  <dougkwan@google.com>
4706
4707         * arm.cc (Target_arm::do_relax): Record an output section for section
4708         offset adjustment it contains any stub table that has changed.
4709         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4710         offsets in an output section if necessary.
4711         * output.cc (Output_section::Output_section): Initialize
4712         section_offsets_need_adjustments_.
4713         (Output_section::add_input_section_for_script): Renamed to
4714         Output_section::add_simple_input_section.
4715         (Output_section::save_states): Add a comment.
4716         (Output_section::discard_states): New method defintion.
4717         (Output_section::adjust_section_offsets): Same.
4718         * output.h (Output_section::add_input_section_for_script): Renamed to
4719         Output_section::add_simple_input_section.
4720         (Output_section::discard_states): New method declaration.
4721         (Output_section::adjust_section_offsets): Same.
4722         (Output_section::section_offsets_need_adjustment,
4723         Output_section::set_section_offsets_need_adjustment): New method
4724         definitions.
4725         (Output_section::section_offsets_need_adjustment_): New data member.
4726         * script-sections.cc
4727         (Output_section_element_input::set_section_address): Adjust code for
4728         renaming of Output_section::add_input_section_for_script.
4729         (Orphan_output_section::set_section_address): Same.
4730
4731 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4732
4733         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4734         Fix_v4bx enum values .
4735         * gold/options.h (General_options): New option definitions.
4736         (General_options::fix_v4bx): New method.
4737         (General_options::Fix_v4bx): New enum.
4738         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4739         (General_options::parse_fix_v4bx_interworking): New method.
4740
4741 2010-01-22  Doug Kwan  <dougkwan@google.com>
4742
4743         * arm.cc (Arm_exidx_fixup): New class.
4744
4745 2010-01-21  Doug Kwan  <dougkwan@google.com>
4746
4747         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4748         classes.
4749         (Arm_exidx_section_offset_map): New type.
4750
4751 2010-01-21  Doug Kwan  <dougkwan@google.com>
4752
4753         * arm.cc (Arm_exidx_input_section): New class.
4754         (Arm_relobj::exidx_input_section_by_link,
4755         Arm_relobj::exidx_input_section_by_shndx,
4756         Arm_relobj::make_exidx_input_section): New methods.
4757         (read_arm_attributes_section): Remove.
4758         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4759         information about them.
4760         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4761         to here.
4762
4763 2010-01-20  Doug Kwan  <dougkwan@google.com>
4764
4765         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4766         Input_section_specifier to Section_id.
4767         (Target_arm::new_arm_input_section: Adjust code for change of key
4768         type.
4769         (Target_arm::find_arm_input_section): Ditto.
4770         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4771         (Section_id): Remove.
4772         (Garbage_collection::Section_id_hash): Remove.
4773         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4774         (Section_id): Remove.
4775         (Icf::Section_id_hash): Remove.
4776         * object.h (Section_id, Const_section_id, Section_id_hash,
4777         Const_section_id_hash): New type definitions.
4778         * output.cc (Output_section::add_relaxed_input_section): Change to
4779         use Const_section_id instead of Input_section_specifier as key type.
4780         (Output_section::add_merge_input_section): Ditto.
4781         (Output_section::build_relaxation_map): Change to use Section_id
4782         instead of Input_section_specifier as key type.
4783         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4784         Ditto.
4785         (Output_section::convert_input_sections_to_relaxed_sections): Change
4786         to use Const_section_id instead of Input_section_specifier as key type.
4787         (Output_section::find_merge_section): Ditto.
4788         (Output_section::find_relaxed_input_section): Ditto.
4789         * output.h (Input_section_specifier): Remove class.
4790         (Output_section::Output_section_data_by_input_section_map): Change
4791         key type to Const_section_id.
4792         (Output_section::Output_relaxed_input_section_by_input_section_map):
4793         Ditto.
4794         (Output_section::Relaxation_map): Change key type to Section_id.
4795
4796 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4797
4798         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4799         (class Arm_v4bx_stub): New class.
4800         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4801         (Stub_factory::make_arm_v4bx_stub): New method.
4802         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4803         (Stub_table::empty): Handle v4bx stubs.
4804         (Stub_table::add_arm_v4bx_stub): New method.
4805         (Stub_table::find_arm_v4bx_stub): New method.
4806         (Arm_relocate_functions::v4bx): New method.
4807         (Target_arm::fix_v4bx): New method.
4808         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4809         (Stub_table::relocate_stubs): Likewise.
4810         (Stub_table::do_write): Likewise.
4811         (Stub_table::update_data_size_and_addralign): Likewise.
4812         (Stub_table::finalize_stubs):  Likewise.
4813         (Target_arm::Scan::local): Likewise.
4814         (Target_arm::Scan::global): Likewise.
4815         (Target_arm::do_finalize_sections): Likewise.
4816         (Target_arm::Relocate::relocate): Likewise.
4817         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4818         Likewise.
4819         (Target_arm::scan_reloc_for_stub): Likewise.
4820         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4821
4822 2010-01-19  Ian Lance Taylor  <iant@google.com>
4823
4824         * output.cc (Output_section_headers::do_sized_write): Write large
4825         segment count to sh_info field.
4826         (Output_file_header::do_sized_write): For large segment count,
4827         write PN_XNUM to e_phnum field.
4828
4829 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4830
4831         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4832         (Arm_relocate_functions::thm_jump8): New function.
4833         (Arm_relocate_functions::thm_jump11): New function.
4834         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4835         R_ARM_THM_JUMP11.
4836         (Target_arm::Scan::global): Likewise.
4837         (Target_arm::Relocate::relocate): Likewise.
4838         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4839         Likewise.
4840
4841 2010-01-14  Doug Kwan  <dougkwan@google.com>
4842
4843         * arm.cc (map, utility): Include headers.
4844         (Target_arm::apply_cortex_a8_workaround): New method.
4845         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4846         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4847         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4848         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4849         the --[no-]fix-cortex-a8 command line options.
4850         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4851         (Target_arm::relocate_stub): Use addend in instruction template.
4852         * options.h (DEFINE_bool): Set the user-set flag.
4853         (General_options): Add --[no-]-fix-cortex options.
4854         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4855         : Update fast look-up map after conversion.
4856
4857 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4858
4859         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4860         in the first pass of do_layout.
4861
4862 2010-01-13  Doug Kwan  <dougkwan@google.com>
4863
4864         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4865         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4866         apparent compiler problem of not folding static constant integral
4867         data members of elfcpp::Elf_sizes<32>.
4868
4869 2010-01-13  Doug Kwan  <dougkwan@google.com>
4870
4871         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4872         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4873         Arm_relobj::scan_section_for_cortex_a8_erratum,
4874         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4875         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4876         sections to scan for relocation stubs into a new method
4877         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4878         relocation and Cortex-A8 stub scanning.
4879         (Target_arm::do_relax): Force stubs to be after stubbed sections
4880         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4881         the beginning of a new relaxation pass.  Update a comment.
4882         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4883
4884 2010-01-12  Ian Lance Taylor  <iant@google.com>
4885
4886         * target-reloc.h (visibility_error): New inline function.
4887         (relocate_section): Call visibility_error.
4888         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4889         (MOSTLYCLEANFILES): Likewise.
4890         (protected_4_pic.o, protected_3.err): New targets.
4891         * testsuite/protected_4.cc: New file.
4892
4893 2010-01-12  Doug Kwan  <dougkwan@google.com>
4894
4895         * arm.cc (Cortex_a8_reloc): New class.
4896         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4897         and cortex_a8_relocs_info_.
4898         (Target_arm::fix_cortex_a8): New method definition.
4899         (Target_arm::Cortex_a8_relocs_info): New type.
4900         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4901         New data member declarations.
4902         (Target_arm::scan_reloc_for_stub): Record information about
4903         relocations for THUMB branches that might be exempted from the
4904         Cortex-A8 workaround.
4905         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4906         at the beginning of a relaxation pass.
4907
4908 2010-01-12  Doug Kwan  <dougkwan@google.com>
4909
4910         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4911         (Arm_relobj::Mapping_symbol_position,
4912          Arm_reloj::Mapping_symbol_position_less,
4913          Arm_relobj::Mapping_symbols_info): New types.
4914         (Target_arm::is_mapping_symbol_name): New method definition.
4915         (Arm_relobj::do_count_local_symbols): Save information about mapping
4916         symbols.
4917
4918 2010-01-11  Doug Kwan  <dougkwan@google.com>
4919
4920         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4921         Arm_relocate_functions::thumb32_branch_upper,
4922         Arm_relocate_functions::thumb32_branch_lower,
4923         Arm_relocate_functions::thumb32_cond_branch_offset,
4924         Arm_relocate_functions::thumb32_cond_branch_upper,
4925         Arm_relocate_functions::thumb32_cond_branch_lower,
4926         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4927         branch offset encoding.
4928         (Arm_relocate_functions::thumb_branch_common): Use new branch
4929         offset encoding methods to avoid code duplication.
4930         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4931         (Stub_addend_reader::operator()): Use new branch encoding method
4932         to avoid code duplication.
4933
4934 2010-01-11  Doug Kwan  <dougkwan@google.com>
4935
4936         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4937         (Target_arm::do_finalize_sections): Define special EXIDX section
4938         symbols only if referenced.
4939         * gc.h (Garbage_collection::add_reference): New method.
4940         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4941         code duplication.
4942
4943 2010-01-11  Ian Lance Taylor  <iant@google.com>
4944
4945         * script.cc (Version_script_info::build_expression_list_lookup):
4946         Change complaing about duplicate wildcard match from error to
4947         warning.
4948
4949         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4950         of 2009-12-30.
4951         (Version_script_info::Version_script_info): Initialize globs_,
4952         default_version_, default_is_global_, and exact_.  Don't
4953         initialize globals_ or locals_.
4954         (Version_script_info::build_lookup_tables): Build local symbols
4955         first.
4956         (Version_script_info::unquote): New function.
4957         (Version_script_info::add_exact_match): New function.
4958         (Version_script_info::build_expression_list_lookup): Remove lookup
4959         parameter.  Add is_global parameter.  Change all callers.  Handle
4960         wildcard pattern specially.  Unquote pattern.  Call
4961         add_exact_match.
4962         (Version_script_info::get_name_to_match): New function.
4963         (Version_script_info::get_symbol_version): New function.
4964         (Version_script_info::get_symbol_version_helper): Remove.
4965         (Version_script_info::check_unmatched_names): Call unquote.
4966         * script.h (class Version_script_info): Change get_symbol_version
4967         to be non-inline and add is_global parameter; change all callers.
4968         Rewrite symbol_is_local.  Update declarations.  Define struct
4969         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4970         Remove globals_ and locals_ members.  Add exact_, globs_,
4971         default_version_, is_global_.
4972         (Version_script_info::Glob): Remove pattern, add expression and
4973         is_global.  Update constructor.  Change all callers.
4974         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4975         default version.
4976         (Versions::symbol_section_contents): If a symbol is undefined, or
4977         defined in a dynamic object, set the version index to
4978         VER_NDX_LOCAL.
4979         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4980         symbol_is_local.
4981         (Symbol_table::add_from_pluginobj): Likewise.
4982         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4983
4984 2010-01-11  Doug Kwan  <dougkwan@google.com>
4985
4986         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4987         (incremental_dump_LDADD): Add linking option for libintl.
4988         * Makefile.in: Regenerate.
4989
4990 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4991
4992         PR gold/11144
4993         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4994         instead of -Ds.
4995         * testsuite/Makefile.in: Regenerated.
4996
4997 2010-01-10  Doug Kwan  <dougkwan@google.com>
4998
4999         * options.h (DEFINE_var): Use parentheses around argument varname__
5000         in macro body to avoid any unintended subsequent substitutions.
5001
5002 2010-01-10  Ian Lance Taylor  <iant@google.com>
5003
5004         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5005         candidates before doing symbol resolution.
5006
5007         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5008         ODR candidates if only one is weak.
5009
5010 2010-01-08  Ian Lance Taylor  <iant@google.com>
5011
5012         * script.cc (Version_script_info::build_expression_list_lookup):
5013         Don't warn about ambiguous version, just record the ambiguity.
5014         (Version_script_info::get_symbol_version_helper): Give error if
5015         version is ambiguous.
5016
5017 2010-01-08  Doug Kwan  <dougkwan@google.com>
5018
5019         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5020           prev_data_size_ and prev_addralign_.  Remove initializer for
5021           deleted data member has_been_changed_.
5022           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5023           to determine if the table is empty.
5024           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5025           Remove.
5026           (Stub_table::add_reloc_stub): Define method in class definition
5027           instead of just declaring it there.
5028           (Stub_table::add_cortex_a8_stub): New method definition.
5029           (Stub_table::update_data_size_and_addralign): Ditto.
5030           (Stub_table::finalize_stubs): Ditto.
5031           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5032           (Stub_table::do_addralign_): Return address alignment in the
5033           (Stub_table::do_reset_address_and_file_offset): Define method in
5034           class definition instead of declaring it there.  Set current data
5035           size to be the data size of the previous pass.
5036           (Stub_table::set_final_data_size): Use current data size as the
5037           final data size.
5038           (Stub_table::relocate_stub): Change parameter type of stub from
5039           Reloc_stub pointer to Stub pointer.
5040           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5041           (Stub_table::Cortex_a8_stub_list): New typedef.
5042           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5043            Stub_table::prev_addralign_): New data member.
5044           (Arm_relobj::Arm_relobj): Initialize data member
5045           section_has_cortex_a8_workaround_.
5046           (Arm_relobj::section_has_cortex_a8_workaround,
5047            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5048            definitions.
5049           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5050           declarations.
5051           (Target_arm::relocate_stub): Change parameter type of stub from
5052           Reloc_stub pointer to Stub pointer.
5053           (Insn_template::size, Insn_template::alignment): Handle
5054           THUMB16_SPECIAL_TYPE.
5055           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5056            Stub_table::update_data_size_and_addralign,
5057            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5058           definitions.
5059           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5060           (Stub_table::do_write): Ditto.
5061           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5062
5063 2010-01-08  Ian Lance Taylor  <iant@google.com>
5064
5065         PR 11108
5066         * symtab.h (class Symbol): Remove fields is_target_special_ and
5067         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5068         (Symbol::is_defined_in_discarded_section): New function.
5069         (Symbol::set_is_defined_in_discarded_section): New function.
5070         (Symbol::has_plt_offset): Rewrite.
5071         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5072         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5073         Don't initialize is_target_special_ or has_plt_offset_.
5074         Initialize is_defined_in_discarded_section_.
5075         (Symbol_table::add_from_relobj): If appropriate, set
5076         is_defined_in_discarded_section.
5077         * resolve.cc (Symbol::override_base_with_special): Don't test
5078         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5079         * target-reloc.h (relocate_section): Do special handling for
5080         symbols defined in discarded sections for global symbols as well
5081         as local symbols.
5082
5083 2010-01-08  Ian Lance Taylor  <iant@google.com>
5084
5085         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5086         the SHT_SYMTAB case.
5087
5088 2010-01-08  Ian Lance Taylor  <iant@google.com>
5089
5090         * object.cc (Sized_relobj::do_layout): Don't get confused if
5091         layout_eh_frame returns NULL.
5092
5093 2010-01-08  Ian Lance Taylor  <iant@google.com>
5094
5095         PR 11084
5096         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5097         dynamic symbol table, use the normal symbol table.
5098         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5099         symbol table.
5100
5101 2010-01-08  Ian Lance Taylor  <iant@google.com>
5102
5103         PR 11072
5104         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5105         sections.
5106
5107 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5108
5109         * version.cc (print_version): Change to "Copyright 2010".
5110
5111 2010-01-08  Ian Lance Taylor  <iant@google.com>
5112
5113         PR 10287
5114         PR 11063
5115         * i386.cc (class Target_i386): Change return type of plt_section
5116         to be non-const.
5117         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5118         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5119         tls_desc_rel_ field.
5120         (Output_data_plt_i386::rel_tls_desc): New function.
5121         (Target_i386::rel_tls_desc_section): New function.
5122         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5123         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5124         R_386_TLS_DESC reloc in rel_tls_desc_section.
5125         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5126         Define struct Tlsdesc_info.
5127         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5128         (Target_x86_64::do_reloc_symbol_index): New function.
5129         (Target_x86_64::add_tlsdesc_info): New function.
5130         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5131         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5132         tlsdesc_rel_ field.
5133         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5134         all callers.
5135         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5136         (Target_x86_64::rela_tlsdesc_section): New function.
5137         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5138         handling.
5139         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5140         (Target_x86_64::do_reloc_addend): New function.
5141         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5142         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5143         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5144         (Output_reloc::type): New function.
5145         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5146         (Output_reloc::is_target_specific): New function.
5147         (Output_reloc::target_arg): New function.
5148         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5149         absolute relocs and target specific relocs.
5150         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5151         add_target_specific.
5152         (class Output_data_reloc) [SHT_RELA]: Likewise.
5153         * output.cc (Output_reloc::Output_reloc): Add four new versions
5154         for absolute relocs and target specific relocs.
5155         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5156         (Output_reloc::get_symbol_index): Likewise.
5157         (Output_reloc::local_section_offset): Check that local_sym_index_
5158         is not TARGET_CODE or 0.
5159         (Output_reloc::symbol_value): Likewise.
5160         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5161         reloc.
5162         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5163         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5164         functions.
5165         * layout.cc (add_target_dynamic_tags): Use output section for
5166         DT_PLTRELSZ and DT_JMPREL.
5167
5168 2010-01-07  Ian Lance Taylor  <iant@google.com>
5169
5170         PR 11061
5171         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5172         function.
5173         (class Output_data_reloc_generic): Define.
5174         (class Output_data_reloc_base): Change base class to
5175         Output_data_reloc_generic.  Change add() method to call
5176         bump_relative_reloc_count for a relative reloc.  Remove
5177         sort_relocs_ field.
5178         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5179         to sort_relocs().
5180         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5181         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5182         appropriate.
5183         * layout.h (class Layout): Update declaration.
5184
5185 2010-01-07  Ian Lance Taylor  <iant@google.com>
5186
5187         * output.h (class Output_data): Add const version of
5188         output_section and do_output_section.
5189         (class Output_section_data): Add const version of
5190         do_output_section.
5191         (class Output_section): Likewise.
5192         * layout.cc (Layout::add_target_dynamic_tags): New function.
5193         * layout.h (class Layout): Update declarations.
5194         * arm.cc (Target_arm::do_finalize_sections): Use
5195         add_target_dynamic_tags.
5196         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5197         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5198         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5199         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5200
5201 2010-01-07  Ian Lance Taylor  <iant@google.com>
5202
5203         PR 11042
5204         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5205         object as needed.
5206
5207 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5208             Ian Lance Taylor  <iant@google.com>
5209
5210         PR 11019
5211         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5212         Xindex::read_symtab_xindex.
5213
5214 2010-01-07  Doug Kwan  <dougkwan@google.com>
5215
5216         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5217         (Insn_template::thumb16_bcond_insn): New method declaration.
5218         (Insn_template): Fix spelling.
5219         (Stub::thumb16_special): New method declaration.
5220         (Stub::do_write): Define virtual method which was previously pure
5221         virtual.
5222         (Stub::do_thumb16_special): New method declaration.
5223         (Stub::do_fixed_endian_write): New template member.
5224         (Reloc_stub::do_write): Remove.
5225         (Reloc_stub::do_fixed_endian_write): Remove.
5226         (Cortex_a8_stub): New class definition.
5227         (Stub_factory::make_cortex_a8_stub): New method definition.
5228         (Stub_factory::Stub_factory): Add missing static storage class
5229         qualifier for elf32_arm_stub_a8_veneer_blx.
5230
5231 2010-01-07  Ian Lance Taylor  <iant@google.com>
5232
5233         PR 10980
5234         * options.h (class General_options): Add --warn-unresolved-symbols
5235         and --error-unresolved-symbols.
5236         * errors.cc (Errors::undefined_symbol): Implement
5237         --warn-unresolved-symbols.
5238
5239         * options.h (class General_options): Add -z text and -z textoff.
5240         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5241
5242 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5243
5244         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5245         (Garbage_collection::cident_sections): New function.
5246         (Garbage_collection::add_cident_section): New function.
5247         (Garbage_collection::cident_sections_): New member.
5248         (gc_process_relocs): Add references to sections whose names are C
5249         identifiers.
5250         * gold.h (cident_section_start_prefix): New constant.
5251         (cident_section_stop_prefix): New constant.
5252         (is_cident): New function.
5253         * layout.cc (Layout::define_section_symbols): Replace string constants
5254         with the newly defined constants.
5255         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5256         C identifiers.
5257         * testsuite/Makefile.am: Add gc_orphan_section_test.
5258         * testsuite/Makefile.in: Regenerate.
5259         * testsuite/gc_orphan_section_test.cc: New file.
5260         * testsuite/gc_orphan_section_test.sh: New file.
5261
5262 2010-01-06  Ian Lance Taylor  <iant@google.com>
5263
5264         PR 10980
5265         * options.h (class General_options): Add --warn-shared-textrel.
5266         * layout.cc (Layout::finish_dynamic_section): Implement
5267         --warn-shared-textrel.
5268
5269         PR 10980
5270         * options.h (class General_options): Add --warn-multiple-gp.
5271
5272 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5273
5274         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5275         $(THREADSLIB) and $(LIBDL).
5276         * Makefile.in: Rebuild.
5277
5278 2010-01-06  Ian Lance Taylor  <iant@google.com>
5279
5280         PR 10980
5281         * options.cc (General_options::parse_section_start): New function.
5282         (General_options::section_start): New function.
5283         (General_options::General_options): Initialize all members.
5284         * options.h: Include <map>
5285         (class General_options): Add --section-start.  Add section_starts_
5286         member.
5287         * layout.cc (Layout::attach_allocated_section_to_segment): If
5288         --section-start was used, set the address of the segment.  Remove
5289         local sort_sections.
5290         (Layout::relaxation_loop_body): If the address of the load segment
5291         has been set by --section-start, don't use it.
5292         * output.h (Output_segment::update_flags_for_output_section): New
5293         function.
5294         * output.cc (Output_segment::add_output_section): Call
5295         update_flags_for_output_section.
5296
5297 2010-01-05  Ian Lance Taylor  <iant@google.com>
5298
5299         PR 10980
5300         * options.h (class General_options): Add --undefined-version.
5301         * script.cc (struct Version_expression): Add was_matched_by_symbol
5302         field.
5303         (Version_script_info::matched_symbol): New function.
5304         (Version_script_info::get_symbol_version_helper): Call
5305         matched_symbol.
5306         (Version_script_info::check_unmatched_names): New function.
5307         * script.h (class Version_script_info): Update declarations.
5308         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5309
5310         * options.h (class General_options): Use DEFINE_bool_alias for
5311         allow_multiple_definition.
5312         * resolve.cc (Symbol_table::should_override): Don't test
5313         allow_multiple_definition.
5314
5315         PR 10980
5316         * options.h (class General_options): Add --cref.
5317         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5318         until after printing cref table.
5319         * cref.cc: Include "symtab.h".
5320         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5321         (Cref_table_compare::operator()): New function.
5322         (Cref_inputs::gather_cref): New function.
5323         (filecol): New static const.
5324         (Cref_inputs::print_cref): New function.
5325         (Cref::print_cref): New function.
5326         * cref.h: Include <cstdio>.
5327         (class Cref): Update declarations.
5328         * mapfile.h (Mapfile::file): New function.
5329         * object.h (class Object): Define Symbols.  Declare virtual
5330         do_get_global_symbols.
5331         (Object::get_global_symbols): New function.
5332         * object.cc (Input_objects::add_object): Pass object to cref_ if
5333         --cref.
5334         (Input_objects::archive_start): Likewise.
5335         (Input_objects::archive_stop): Likewise.
5336         (Input_objects::print_cref): New function.
5337         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5338         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5339         --cref.
5340         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5341         function.
5342         * plugin.h (class Sized_pluginobj): Update declarations.
5343
5344 2010-01-05  Ian Lance Taylor  <iant@google.com>
5345
5346         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5347         to is_default_version.  Rename insdef to insdefault.
5348         (Symbol_table::add_from_relobj): Rename def to is_default_version
5349         and local to is_forced_local.
5350         (Symbol_table::add_from_pluginobj): Likewise.
5351         (Symbol_table::add_from_dynobj): Likewise.
5352         (Symbol_table::define_special_symbol): Rename insdef to
5353         insdefault.
5354
5355 2010-01-04  Ian Lance Taylor  <iant@google.com>
5356
5357         PR 10980
5358         * options.h (class General_options): Add
5359         --allow-multiple-definition and -z muldefs.
5360         * resolve.cc (Symbol_table::should_override): Don't warn about a
5361         multiple symbol definition if --allow-multiple-definition or -z
5362         muldefs.
5363
5364         PR 10980
5365         * options.h (class General_options): Add --add-needed and
5366         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5367         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5368         error if --copy-dt-needed-entries aka --add-needed is used and
5369         would cause a change in behaviour.
5370
5371         PR 10980
5372         * options.h (class General_options): Add -G as a short version of
5373         --shared.  Add no-op options -assert, -g, and -i.
5374
5375 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5376
5377         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5378         check for .text or .gnu.linkonce.t sections.
5379         * icf.cc (Icf::find_identical_sections): Ditto.
5380         Change the detection for mangled function name within the section
5381         name.
5382         * icf.h (is_section_foldable_candidate): New function.
5383
5384 2009-12-30  Ian Lance Taylor  <iant@google.com>
5385
5386         PR 10980
5387         * options.h (class General_options): Permit two dashes with
5388         --retain-symbols-file.
5389
5390 2009-12-30  Ian Lance Taylor  <iant@google.com>
5391
5392         PR 10979
5393         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5394         don't put the file header and segment headers in the text
5395         segment.
5396
5397         PR 10979
5398         * common.cc (Sort_commons::operator()): Stabilize sort when both
5399         entries are NULL.
5400         (Symbol_table::do_allocate_commons_list): When allocating common
5401         symbols, skip a symbol which is no longer common.
5402         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5403         an object before checking its type.
5404         * testsuite/common_test_2.c: New file.
5405         * testsuite/common_test_3.c: New file.
5406         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5407         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5408         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5409         (common_test_2_pic.o, common_test_2.so): New targets.
5410         (common_test_3_pic.o, common_test_3.so): New targets.
5411         * testsuite/Makefile.in: Rebuild.
5412
5413         PR 10979
5414         * script.cc (read_input_script): If we see a new SECTIONS clause,
5415         and we have added an input section, give an error.
5416         * layout.h (class Layout): Add have_added_input_section function.
5417         Add have_added_input_section_ field.
5418         * layout.cc (Layout::Layout): Initialize
5419         have_added_input_section_.
5420         (Layout::layout): Set have_added_input_section_.
5421         (Layout::layout_eh_frame): Likewise.
5422
5423 2009-12-30  Ian Lance Taylor  <iant@google.com>
5424
5425         PR 10931
5426         * options.h (class General_options): Add --sort-common option.
5427         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5428         * common.cc (Sort_common): Add sort_order parameter to
5429         constructor.  Add sort_order_ field.
5430         (Sort_commons::operator): Check sort_order_.
5431         (Symbol_table::allocate_commons): Determine the sort order.
5432         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5433         Change all callers.
5434         (Symbol_table::do_allocate_commons_list): Likewise.
5435
5436 2009-12-30  Ian Lance Taylor  <iant@google.com>
5437
5438         PR 10916
5439         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5440         symbols from this object, don't change the visibility of an
5441         undefined symbol.
5442         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5443
5444 2009-12-30  Ian Lance Taylor  <iant@google.com>
5445
5446         PR 10861
5447         * script.h (class Version_script_info): Define Language enum.
5448         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5449         new fields globals_, locals_, and is_finalized_.
5450         * script.cc: Various formatting fixes.
5451         (class Parser_closure): Change language_stack_ from a vector of
5452         std::string to one of Version_script_info::Language.  Adjust all
5453         uses accordingly.
5454         (class Lazy_demangler): Remove.
5455         (struct Version_expression): Change language from std::string to
5456         Version_script_info::Language.
5457         (Version_script_info::Version_script_info): New function.
5458         (Version_script_info::~Version_script_info): Don't call clear.
5459         (Version_script_info::finalize): New function.
5460         (Version_script_info::build_lookup_tables): New function.
5461         (Version_script_info::build_expression_list_lookup): New
5462         function.
5463         (Version_script_info::get_symbol_version_helper): Rewrite to use
5464         lookup tables.
5465         (Version_script_info::print_expression_list): Adjust to use
5466         Version_script_info::Language.
5467         (script_push_lex_into_version_mode): Check that the version script
5468         has not been finalized.
5469         (version_script_push_lang): Change language string to
5470         Version_script_info::Language.
5471         * options.cc (Command_line::version_script): New function.
5472         * options.h (class General_options): Add finalize_dynamic_list
5473         function.  Change version_script from declaration to definition.
5474         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5475         * testsuite/version_script.map: Remove duplicate def of foo.
5476         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5477         version_script.map.
5478         * testsuite/Makefile.in: Rebuild.
5479
5480 2009-12-30  Ian Lance Taylor  <iant@google.com>
5481
5482         PR 10843
5483         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5484         if the input symbol index is 0, make the output symbol index 0.
5485
5486 2009-12-30  Ian Lance Taylor  <iant@google.com>
5487
5488         PR 10670
5489         * options.h (class General_options): Add -x/--discard-all.
5490         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5491         --discard-all.  If the local symbol needs a dynamic entry, check
5492         that before handling --discard-locals.
5493
5494 2009-12-30  Ian Lance Taylor  <iant@google.com>
5495
5496         PR 10450
5497         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5498         flags to PF_R.
5499         (Output_segment::add_output_section): Don't change the flags if
5500         the type is PT_TLS.
5501
5502         PR 10450
5503         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5504         GNU hash table if they need a dynamic value.  Otherwise, don't add
5505         them if they are defined in a dynamic object or are forced local.
5506
5507 2009-12-29  Ian Lance Taylor  <iant@google.com>
5508
5509         PR 10450
5510         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5511         .gnu.hash table for a 32-bit target.
5512
5513         PR 10450
5514         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5515         regular and a dynamic object only needs a dynamic symbol table
5516         entry if it is externally visible.
5517
5518         PR 10450
5519         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5520         constructor.  Add global_offset_table_ field.
5521         (Target_i386::got_section): Set global_offset_table_.
5522         (Target_i386::do_finalize_sections): Set global_offset_table_
5523         size.
5524         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5525         in constructor.  Add global_offset_table_ field.
5526         (Target_x86_64::got_section): Set global_offset_table_.
5527         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5528         size.
5529
5530         * layout.cc (Layout::Layout): Initialize increase_relro_.
5531         (Layout::get_output_section): Add is_relro, is_last_relro, and
5532         is_first_non_relro parameters.  Change all callers.
5533         (Layout::choose_output_section): Likewise.
5534         (Layout::add_output_section_data): Likewise.
5535         (Layout::make_output_section): Likewise.
5536         (Layout::set_segment_offsets): Clear increase_relro when using a
5537         linker script.
5538         * layout.h (class Layout): Add increase_relro method.  Add
5539         increase_relro_ field.  Update declarations.
5540         * output.cc (Output_section::Output_section): Initialize
5541         is_last_relro_ and is_first_non_relro_.
5542         (Output_segment::add_output_section): Group relro sections is
5543         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5544         (Output_segment::maximum_alignment): Remove relro handling.
5545         (Output_segment::set_section_addresses): Add increase_relro
5546         parameter.  Change all callers.  Add initial alignment to align
5547         relro sections on separate page.  Remove old relro handling.
5548         (Output_segment::set_section_list_addresses): Remove in_relro
5549         parameter.  Change all callers.
5550         (Output_segment::set_offset): Add increase parameter.  Change all
5551         callers.  Remove old relro handling.
5552         * output.h (class Output_section): Add new methods: is_last_relro,
5553         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5554         Add is_last_relro_ and is_first_non_relro_ fields.
5555         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5556         Create separate .got.plt section.  Call increase_relro.
5557         * x86_64.cc (Target_x86_64::got_section): Likewise.
5558         * testsuite/relro_script_test.t: Add .got.plt.
5559
5560         PR 10450
5561         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5562         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5563         (Layout::finalize): Call set_dynamic_symbol_size.
5564         (Layout::set_dynamic_symbol_size): New function.
5565         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5566         set_dynamic_symbol_size.
5567
5568         PR 10450
5569         * output.h (class Output_section): Add is_entsize_zero_ field.
5570         * output.cc (Output_section::Output_section): Initialize
5571         is_entsize_zero_.
5572         (Output_section::set_entsize): If two different entsizes are
5573         requested, force it to zero.
5574         (Output_section::add_input_section): Set flags for .debug_str
5575         before updating section flags.  Set entsize.
5576         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5577         and SHF_STRING if all input sections have those flags.
5578
5579 2009-12-29   Rafael Espindola  <espindola@google.com>
5580
5581         * main.cc (main): Fix the sys time reporting.
5582         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5583         reporting.
5584
5585 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5586
5587         * options.cc (General_options::parse_version): Allow -v to exit
5588         without an error if there is nothing to link.
5589
5590 2009-12-29  Ian Lance Taylor  <iant@google.com>
5591
5592         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5593         using a version of gcc before 4.1.
5594         * configure: Rebuild.
5595
5596 2009-12-28  Chris Demetriou  <cgd@google.com>
5597
5598         * attributes.cc (Output_attributes_section_data::do_write): Use
5599         std::vector::front rather than std::vector::data.
5600
5601 2009-12-28  Ian Lance Taylor  <iant@google.com>
5602
5603         * symtab.h (class Symbol_table): Add enum Defined.
5604         * resolve.cc (Symbol_table::should_override): Add defined
5605         parameter.  Change all callers.  Test whether object is NULL
5606         before calling a method on it.
5607         (Symbol_table::report_resolve_problem): Add defined parameter.
5608         Change all callers.
5609         (Symbol_table::should_override_with_special): Likewise.
5610         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5611         parameter.  Change all callers.
5612         (Symbol_table::do_define_in_output_data): Likewise.
5613         (Symbol_table::define_in_output_segment): Likewise.
5614         (Symbol_table::do_define_in_output_segment): Likewise.
5615         (Symbol_table::define_as_constant): Likewise.
5616         (Symbol_table::do_define_as_constant): Likewise.
5617         * script.h (class Symbol_assignment): Add is_defsym parameter to
5618         constructor; change all callers.
5619         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5620         parameter.  Change all callers.  Add is_defsym_ field.
5621         (class Parser_closure): Add parsing_defsym parameter to
5622         constructor; change all callers.  Add parsing_defsym accessor
5623         function.  Add parsing_defsym_ field.
5624
5625 2009-12-28  Ian Lance Taylor  <iant@google.com>
5626
5627         * gold.cc (queue_middle_tasks): Fix formatting.
5628         * object.cc (Relobj::is_section_name_included): Likewise.
5629
5630 2009-12-23  Ian Lance Taylor  <iant@google.com>
5631
5632         * i386.cc (Target_i386::do_calls_non_split): Recognize
5633         -fsplit-stack prologue for a function with a static chain.
5634         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5635         -fsplit-stack prologue when using %r11.
5636
5637 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5638
5639         * options.cc (General_options::parse_version): Make -v continue and do
5640         the link like GNU ld does.
5641
5642 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5643
5644         * Makefile.am (CCFILES): Add timer.cc.
5645         (HFILES): Add timer.h.
5646         * configure.ac: Check for sysconf and times.
5647         * main.cc: include timer.h.
5648         (main): Use Timer instead of get_run_time.
5649         * timer.cc: New.
5650         * timer.h: New.
5651         * workqueue.cc: include timer.h.
5652         (Workqueue::find_and_run_task):
5653         Report user, sys and wall time.
5654         * Makefile.in: Regenerate.
5655         * config.in: Regenerate.
5656         * configure: Regenerate.
5657
5658 2009-12-16  Doug Kwan  <dougkwan@google.com>
5659
5660         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5661         sections.
5662         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5663         relaxed input sections.
5664         * output.cc (Output_section::find_relaxed_input_section): Change
5665         return type to Output_relaxed_input_section pointer.  Adjust code
5666         for new type of relaxed_input_section_map_.
5667         * output.h (Output_section::find_relaxed_input_section): Change
5668         return type to Output_relaxed_input_section pointer.
5669         (Output_section::Output_relaxed_input_section_by_input_section_map):
5670         New type.
5671         (Output_section::relaxed_input_section_map_): Change type to
5672         Output_section::Output_relaxed_input_section_by_input_section_map.
5673         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5674         input section.
5675
5676 2009-12-15  Ian Lance Taylor  <iant@google.com>
5677
5678         * layout.cc (Layout::create_shstrtab): Only write out after input
5679         sections if we are compressing debug sections.
5680
5681 2009-12-15  Ian Lance Taylor  <iant@google.com>
5682
5683         * archive.cc (Archive::add_symbols): Only look up a symbol without
5684         a version if there is, in fact, a version.
5685
5686 2009-12-14  Ian Lance Taylor  <iant@google.com>
5687
5688         Revert -Wshadow changes, all changes from:
5689         2009-12-11  Doug Kwan  <dougkwan@google.com>
5690         2009-12-11  Nick Clifton  <nickc@redhat.com>
5691         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5692
5693 2009-12-11  Doug Kwan  <dougkwan@google.com>
5694
5695         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5696         due to -Wshadow.
5697         * attributes.cc (Object_attribute::size): Ditto.
5698         (Attributes_section_data::size): Ditto.
5699         (Attributes_section_data::Attributes_section_data): Ditto.
5700         (Output_attributes_section_data::do_write): Ditto.
5701         * attributes.h (Object_attribute::set_type): Ditto.
5702         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5703
5704 2009-12-11  Nick Clifton  <nickc@redhat.com>
5705
5706         * archive.cc: Fix shadowed variable warnings.
5707         * arm.cc: Likewise.
5708         * compressed_output.cc: Likewise.
5709         * compressed_output.h: Likewise.
5710         * configure: Likewise.
5711         * dwarf_reader.cc: Likewise.
5712         * dynobj.cc: Likewise.
5713         * dynobj.h: Likewise.
5714         * ehframe.cc: Likewise.
5715         * ehframe.h: Likewise.
5716         * errors.cc: Likewise.
5717         * expression.cc: Likewise.
5718         * fileread.cc: Likewise.
5719         * fileread.h: Likewise.
5720         * freebsd.h: Likewise.
5721         * i386.cc: Likewise.
5722         * icf.cc: Likewise.
5723         * incremental.h: Likewise.
5724         * layout.cc: Likewise.
5725         * layout.h: Likewise.
5726         * mapfile.cc: Likewise.
5727         * merge.cc: Likewise.
5728         * merge.h: Likewise.
5729         * object.cc: Likewise.
5730         * object.h: Likewise.
5731         * options.h: Likewise.
5732         * output.cc: Likewise.
5733         * output.h: Likewise.
5734         * parameters.cc: Likewise.
5735         * plugin.cc: Likewise.
5736         * powerpc.cc: Likewise.
5737         * reduced_debug_output.cc: Likewise.
5738         * reduced_debug_output.h: Likewise.
5739         * reloc.cc: Likewise.
5740         * reloc.h: Likewise.
5741         * resolve.cc: Likewise.
5742         * script-sections.cc: Likewise.
5743         * script.cc: Likewise.
5744         * script.h: Likewise.
5745         * sparc.cc: Likewise.
5746         * symtab.cc: Likewise.
5747         * symtab.h: Likewise.
5748         * target-select.cc: Likewise.
5749         * target-select.h: Likewise.
5750         * token.h: Likewise.
5751         * workqueue.cc: Likewise.
5752         * workqueue.h: Likewise.
5753         * x86_64.cc: Likewise.
5754
5755 2009-12-10  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (attributes.h): New include.
5758         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5759         (Arm_relobj::~Arm_relobj): Delete object pointed by
5760         attributes_section_data_.
5761         (Arm_relobj::attributes_section_data): New method definition.
5762         (Arm_relobj::attributes_section_data_): New data member declaration.
5763         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5764         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5765         attributes_section_data_.
5766         (Arm_dynobj::attributes_section_data): New method definition.
5767         (Arm_dynobj::attributes_section_data_): New data member declaration.
5768         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5769         initialization value of may_use_blx_ to false.
5770         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5771         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5772         object attributes to compute results instead of hard-coding.
5773         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5774         Target_arm::get_secondary_compatible_arch,
5775         Target_arm::set_secondary_compatible_arch
5776         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5777         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5778         New method declarations.
5779         (Target_arm::get_aeabi_object_attribute): New method definition.
5780         (Target_arm::attributes_section_data_): New data member declaration.
5781         (read_arm_attributes_section): New template definition.
5782         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5783         (Arm_dynobj::do_read_symbols): Ditto.
5784         (Target_arm::do_finalize_sections): Merge attributes sections from
5785         input.  Check for BLX use after attributes section merging.
5786         Fix __exidx_start and __exidx_end visibility.  Create an
5787         .ARM.attributes section if necessary.
5788         (Target_arm::get_secondary_compatible_arch,
5789         Target_arm::set_secondary_compatible_arch,
5790         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5791         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5792         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5793         New method definitions.
5794
5795 2009-12-09  Ian Lance Taylor  <iant@google.com>
5796
5797         * plugin.cc (Plugin::load): Don't cast from void* to a function
5798         pointer.
5799
5800 2009-12-09  Ian Lance Taylor  <iant@google.com>
5801
5802         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5803         information fields.
5804
5805 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5806
5807         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5808         Replace two_file_shared_1.so with two_file_shared_2.so.
5809         * testsuite/Makefile.in: Regenerated.
5810
5811 2009-12-08  Doug Kwan  <dougkwan@google.com>
5812
5813         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5814         (HFILES): Add attributes.h and int_encoding.h.
5815         * Makefile.in: Regenerate.
5816         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5817         function definitions to int_encoding.cc
5818         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5819         prototypes to int_encoding.h
5820         * reduced_debug_output.cc (int_encoding.h): New include.
5821         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5822         function definitions to int_encoding.cc
5823         (insert_into_vector, read_from_pointer): Move template definitions to
5824         int_encoding.h
5825         * attributes.cc: New file.
5826         * attributes.h: New file.
5827         * int_encoding.cc: New file.
5828         * int_encoding.h: New file.
5829
5830 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5831
5832         PR gold/11055
5833         * incremental-dump.cc (dump_incremental_inputs): New.
5834         (main): Use dump_incremental_inputs.
5835
5836 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5837
5838         PR gold/10893
5839         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5840         checking elfcpp::STT_FUNC.
5841         (Target_i386::Relocate::relocate): Likewise.
5842         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5843
5844         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5845         symbols from shared libraries into normal FUNC symbols.
5846
5847         * symtab.h (Symbol): Add is_func and use it.
5848
5849 2009-12-05  Doug Kwan  <dougkwan@google.com>
5850
5851         * arm.cc (Target_arm::arm_info): Initialize new fields
5852         attributes_section and attributes_vendor.
5853         * i386.cc (Target_i386::i386_info): Same.
5854         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5855         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5856         fields attributes_section and attributes_vendor.
5857         * sparc.cc (Target_sparc::sparc_info): Same.
5858         * target.h (Target::attributes_section, Target::attributes_vendor,
5859         Target::is_attributes_section, Target::attribute_arg_type,
5860         Target::attributes_order): New method definitions.
5861         (Target::Target_info::attributes_section,
5862         Target::Target_info::attributes_vendor): New fields.
5863         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5864         virtual method definitions.
5865         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5866         attributes_section and attributes_vendor.
5867         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5868
5869 2009-12-05  Doug Kwan  <dougkwan@google.com>
5870
5871         * arm.cc: Update comments about interworking and stub generation.
5872         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5873         considered as non-PIC.
5874         (Arm_relocate_functions::base_abs): Fix formatting.
5875         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5876         of function to use GOT entry address instead of offset.
5877         (Target_arm::Scan::global): Issue an error if a symbol would need a
5878         PLT does not get one because it is untyped.  Remove code to create
5879         dynamic symbols for relative branches.
5880         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5881         takes unsigned integer instead of boolean.
5882
5883 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5884
5885         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5886         (two_file_test_LDADD): Likewise.
5887         (common_test_1_LDADD): Likewise.
5888         (exception_test_LDADD) Likewise.
5889         (weak_test_LDADD): Likewise.
5890         (many_sections_test_LDADD): Likewise.
5891         (initpri1_LDADD): Likewise.
5892         (script_test_1_LDADD): Likewise.
5893         (script_test_2_LDADD): Likewise.
5894         (justsyms_LDADD): Likewise.
5895         (binary_test_LDADD): Likewise.
5896         (large_LDADD): Likewise.
5897         * testsuite/Makefile.in: Regenerated.
5898
5899 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5900
5901         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5902         (Symbol_table::override_with_special): Likewise.
5903         (Symbol_table::add_from_object): Likewise.
5904
5905 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5906
5907         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5908         Don't set the data_offset twice.
5909
5910 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5911
5912         * testsuite/Makefile.in: Regenerate.
5913
5914 2009-12-03  Doug Kwan  <dougkwan@google.com>
5915
5916         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5917         (Target_arm::do_finalize_sections): Add parameter for symbol table
5918         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5919         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5920         parameter for symbol table pointer.
5921         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5922         an additional parameter for a pointer to symbol table.
5923         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5924         parameter for a symbol table pointer.
5925         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5926         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5927         Ditto.
5928         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5929         parameter for a symbol table pointer.
5930
5931 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5932
5933         * incremental.cc (Incremental_inputs_header)
5934         (Incremental_inputs_header_write, Incremental_inputs_entry)
5935         (Incremental_inputs_entry_write): Move ...
5936         * incremental.h (Incremental_inputs_header)
5937         (Incremental_inputs_header_write, Incremental_inputs_entry)
5938         (Incremental_inputs_entry_write): here.
5939
5940 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5941
5942         * incremental.cc (make_sized_incremental_binary): Set the target.
5943         Error if it is incompatible.
5944         * output.h (Output_file): Add filename method.
5945
5946 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5947
5948         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5949         from the get_* methods.
5950
5951 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5952
5953         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5954         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5955         Write 0 for the data_offset of scripts.
5956
5957 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5958
5959         * testsuite/Makefile.am: Add the incremental_test.sh test.
5960         * testsuite/incremental_test.sh: New.
5961         * testsuite/incremental_test_1.c: New.
5962         * testsuite/incremental_test_2.c: New.
5963
5964 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5965
5966        * incremental-dump.cc (main): Fix typos.
5967
5968 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5969
5970         PR gold/11025
5971         * incremental-dump.cc (main): Use llu to print 64 bit values.
5972
5973 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5974             H.J. Lu  <hongjiu.lu@intel.com>
5975
5976         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5977         $(LIBDL).
5978         (incremental_dump_LDADD): Likewise.
5979         * Makefile.in: Regenerated.
5980
5981 2009-11-25  Doug Kwan  <dougkwan@google.com>
5982
5983         Revert:
5984
5985         2009-11-25  Doug Kwan  <dougkwan@google.com>
5986
5987                 * arm.cc (Target_arm::Target_arm): Move method definition
5988                 outside of class definition.  Add code to handle
5989                 --target1-rel, --target1-abs and --target2= options.
5990                 (Target_arm::get_reloc_reloc_type): Change method to be
5991                 non-static and const.
5992                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5993                 New data member declaration.
5994                 (Target_arm::Scan::local, Target_arm::Scan::global,
5995                 Target_arm::Relocate::relocate,
5996                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5997                 Adjust call to Target_arm::get_real_reloc_type.
5998                 (Target_arm::get_real_reloc_type): Use command line options
5999                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6000                 * options.h (--target1-rel, --target1-abs, --target2): New
6001                 ARM-only options.
6002
6003 2009-11-25  Doug Kwan  <dougkwan@google.com>
6004
6005         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6006         class definition.  Add code to handle --target1-rel, --target1-abs
6007         and --target2= options.
6008         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6009         and const.
6010         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6011         member declaration.
6012         (Target_arm::Scan::local, Target_arm::Scan::global,
6013         Target_arm::Relocate::relocate,
6014         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6015         call to Target_arm::get_real_reloc_type.
6016         (Target_arm::get_real_reloc_type): Use command line options to
6017         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6018         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6019         options.
6020
6021 2009-11-25  Doug Kwan  <dougkwan@google.com>
6022
6023         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6024         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6025         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6026         formatting.
6027         (Arm_relocate_functions::thm_call): Replace body with a call to
6028         Arm_relocate_functions::thumb_branch_common.
6029         (Arm_relocate_functions::thm_jump24,
6030         Arm_relocate_functions::thm_xpc22): New method definitions.
6031         (Arm_relocate_functions::thumb_branch_common): New method definition.
6032         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6033         operator.
6034         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6035         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6036
6037 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6038
6039         * Makefile.am: Build incremental-dump
6040         * Makefile.in: Regenerate.
6041         * incremental-dump.cc: New.
6042         * incremental.cc (Incremental_inputs_header_data,
6043         Incremental_inputs_entry_data): Move to incremental.h
6044         * incremental.h: (Incremental_inputs_header_data,
6045         Incremental_inputs_entry_data): Move from incremental.cc
6046
6047 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6048
6049         * incremental.cc (Incremental_inputs_header,
6050         Incremental_inputs_header_write, Incremental_inputs_entry,
6051         Incremental_inputs_entry_write): Add a typedef with the data type.
6052
6053 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6054
6055         * incremental.cc (Incremental_inputs_header,
6056         Incremental_inputs_header_write, Incremental_inputs_entry,
6057         Incremental_inputs_entry_write): Update comment about which
6058         type has the filed descriptions.
6059
6060 2009-11-15  Doug Kwan  <dougkwan@google.com>
6061
6062         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6063         (Arm_relocate_functions::arm_branch_common): Change method defintion
6064         in class definition to a method declaration and update list of formal
6065         parameters.
6066         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6067         Arm_relocation_functions::jump24): Adjust call to
6068         Arm_relocate_functions::arm_branch_common.  Update list of formal
6069         parameters.
6070         (Arm_relocate_functions::xpc25): New method definition.
6071         (Arm_relocate_functions::arm_branch_common): Move method defintion
6072         out from class definition.  Use stubs for mode-switching and extending
6073         branch ranges.
6074         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6075         specially.  Change code to enable use of stubs in ARM branches.
6076
6077 2009-11-10  Doug Kwan  <dougkwan@google.com>
6078
6079         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6080         in method declaration.
6081         (Target_arm::relocate_stub): New method declaration.
6082         (Target_arm::default_target): Change to return a pointer instead of
6083         a const reference.
6084         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6085         Target_arm::default_target.
6086         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6087         method definition.
6088         (Target_arm::relocate_section): Adjust view.
6089         (Target_arm::relocate_stub): New method definition.
6090
6091 2009-11-10  Doug Kwan  <dougkwan@google.com>
6092
6093         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6094         a format warning.
6095         * incremental.cc (open_incremental_binary): Initialized local
6096         variables to avoid warnings.
6097         * object.cc (make_elf_object): Ditto.
6098         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6099         a format warning.
6100
6101 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6102
6103         PR gold/10930
6104         * testsuite/plugin_test.c: Include "config.h".
6105
6106 2009-11-09  Doug Kwan  <dougkwan@google.com>
6107
6108         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6109         (arm_symbol_value): Remove.
6110         (Arm_relocate_functions::arm_branch_common,
6111         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6112         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6113         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6114         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6115         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6116         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6117         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6118         Arm_relocate_functions::thm_mobw_abs_nc,
6119         Arm_relocate_functions::thm_mov_abs,
6120         Arm_relocate_functions::movw_prel_nc,
6121         Arm_relocate_functions::thm_movt_abs,
6122         Arm_relocate_functions::movt_prel,
6123         Arm_relocate_functions::thm_movw_prel_nc,
6124         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6125         (Target_arm::Relocate::relocate): Only decompose address into two
6126         parts if relocation type uses the thumb-bit and pass the actual
6127         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6128         calls to methods in Arm_relocate_functions for this change.
6129
6130 2009-11-08  Ian Lance Taylor  <iant@google.com>
6131
6132         PR 10925
6133         * reloc.cc: Instantiate
6134         Sized_relobj::initialize_input_to_output_maps and
6135         Sized_relobj:free_input_to_output_maps.
6136
6137 2009-11-06  Ian Lance Taylor  <iant@google.com>
6138
6139         PR 10876
6140         * defstd.cc (in_segment): Set only_if_ref true for "end".
6141
6142 2009-11-06  Doug Kwan  <dougkwan@google.com>
6143
6144         * arm.cc (class Reloc_stub): Correct a comment.
6145         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6146         (Target_arm::scan_section_for_stubs): New method declaration.
6147         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6148         Change methods from private to protected.
6149         (Target_arm::do_may_relax): New method definition.
6150         (Target_arm::do_relax, Target_arm::group_sections,
6151         Target_arm::scan_reloc_for_stub,
6152         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6153         (Target_arm::arm_input_section_map_): New data member declaration.
6154         (Target_arm::scan_reloc_for_stub,
6155         Target_arm::scan_reloc_section_for_stubs,
6156         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6157         Target_arm::do_relax): New method definitions.
6158
6159 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6160
6161         * configure.ac: Check for (struct stat)::st_mtim
6162         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6163         * config.in: Regenerate.
6164         * configure: Regenerate.
6165
6166 2009-11-05  Ian Lance Taylor  <iant@google.com>
6167
6168         PR 10910
6169         * output.cc (Output_segment::add_output_section): Add missing
6170         return statement.
6171
6172 2009-11-04  Ian Lance Taylor  <iant@google.com>
6173
6174         PR 10880
6175         * object.h (class Object): Add is_needed and set_is_needed
6176         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6177         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6178         defined in a dynamic object and referenced by a regular object,
6179         set is_needed for the dynamic object.
6180         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6181         if the file is marked with as_needed and it is not needed.
6182
6183 2009-11-04  Ian Lance Taylor  <iant@google.com>
6184
6185         PR 10887
6186         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6187         tags if data is discarded by linker script.
6188         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6189         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6190         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6191         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6192
6193 2009-11-04  Ian Lance Taylor  <iant@google.com>
6194
6195         * layout.cc (Layout::get_output_section): Add is_interp and
6196         is_dynamic_linker_section parameters.  Change all callers.
6197         (Layout::choose_output_section): Likewise.
6198         (Layout::make_output_section): Likewise.
6199         (Layout::add_output_section_data): Add is_dynamic_linker_section
6200         parameter.  Change all callers.
6201         * layout.h (class Layout): Update declarations.
6202         * output.h (class Output_section): Add is_interp, set_is_interp,
6203         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6204         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6205         generate_code_fills_at_write_ to a bitfield.
6206         * output.cc (Output_section::Output_sections): Initialize new
6207         fields.
6208         (Output_segment::add_output_section): Add do_sort parameter.
6209         Change all callers.
6210
6211 2009-11-03  Ian Lance Taylor  <iant@google.com>
6212
6213         PR 10860
6214         * options.h (class General_options): Add --warn-common.
6215         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6216         merging two common symbols.
6217         (Symbol_table::should_override): Handle --warn-common when merging
6218         a common symbol with a defined symbol.  Use report_resolve_problem
6219         for multiple definitions.
6220         (Symbol_table::report_resolve_problem): New function.
6221         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6222
6223 2009-11-03  Doug Kwan  <dougkwan@google.com>
6224
6225         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6226         stub_factory_.
6227         (Target_arm::stub_factory): New method definition.
6228         (Target_arm::new_arm_input_section,
6229         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6230         Target_arm::reloc_uses_thumb_bit): New method declarations.
6231         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6232         New type definitions.
6233         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6234         member declarations.
6235         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6236         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6237         New method definitions.
6238
6239 2009-11-03  Ian Lance Taylor  <iant@google.com>
6240
6241         * options.h (class General_options): Add --warn_constructors.
6242
6243 2009-11-03  Ian Lance Taylor  <iant@google.com>
6244
6245         PR 10893
6246         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6247         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6248
6249 2009-11-03  Ian Lance Taylor  <iant@google.com>
6250
6251         PR 10895
6252         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6253         --msgid-bugs-address.
6254         (install-pdf): New target.
6255         (install-data_yes): Look up one directory to find mkinstalldirs.
6256
6257 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6258
6259         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6260         tree.
6261
6262 2009-10-30  Doug Kwan  <dougkwan@google.com>
6263
6264         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6265
6266 2009-10-30  Doug Kwan  <dougkwan@google.com>
6267
6268         * arm.cc (Stub_addend_reader): New struct template definition
6269         and partial specializations.
6270         (Stub_addend_reader::operator()): New method definition for a
6271         partially specialized template.
6272
6273 2009-10-30  Doug Kwan  <dougkwan@google.com>
6274
6275         * arm.cc (Arm_relobj::processor_specific_flags): New method
6276         definition.
6277         (Arm_relobj::do_read_symbols): New method declaration.
6278         (Arm_relobj::processor_specific_flags_): New data member declaration.
6279         (Arm_dynobj): New class definition.
6280         (Target_arm::do_finalize_sections): Add input_objects parameter.
6281         (Target_arm::do_adjust_elf_header): New method declaration.
6282         (Target_arm::are_eabi_versions_compatible,
6283         (Target_arm::merge_processor_specific_flags): New method declaration.
6284         (Target_arm::do_make_elf_object): New overloaded method definitions
6285         and declaration.
6286         (Arm_relobj::do_read_symbols): New method definition.
6287         (Arm_dynobj::do_read_symbols): Ditto.
6288         (Target_arm::do_finalize_sections): Add input_objects parameters.
6289         Merge processor-specific flags from all input objects.
6290         (Target_arm::are_eabi_versions_compatible,
6291         Target_arm::merge_processor_specific_flags,
6292         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6293         New method definitions.
6294         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6295         Input_objects pointer type parameter.
6296         * layout.cc (Layout::finalize): Pass input objects to target's.
6297         finalize_sections function.
6298         * output.cc (Output_file_header::do_sized_write): Set ELF file
6299         header's processor-specific flags.
6300         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6301         Input_objects pointer type parameter.
6302         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6303         * target.h (Input_objects): New forward class declaration.
6304         (Target::processor_specific_flags,
6305         Target::are_processor_specific_flags_sect): New method definitions.
6306         (Target::finalize_sections): Add input_objects parameter.
6307         (Target::Target): Initialize processor_specific_flags_ and
6308         are_processor_specific_flags_set_.
6309         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6310         parameter.
6311         (Target::set_processor_specific_flags): New method definition.
6312         (Target::processor_specific_flags_,
6313         Target::are_processor_specific_flags_set_): New data member
6314         declarations.
6315         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6316         Input_objects pointer type parameter.
6317
6318 2009-10-30  Doug Kwan  <dougkwan@google.com>
6319
6320         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6321
6322 2009-10-28  Ian Lance Taylor  <iant@google.com>
6323
6324         * object.h (class Relobj): Drop options parameter from
6325         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6326         do_scan_relocs, do_relocate.  Change all callers.
6327         (class Sized_relobj): Drop options parameters from
6328         do_gc_process_relocs, do_scan_relocs, do_relocate,
6329         do_relocate_sections, relocate_sections, emit_relocs_scan,
6330         emit_relocs_scan_reltype.  Change all callers.
6331         (struct Relocate_info): Remove options field and all references to
6332         it.
6333         * reloc.h (class Read_relocs): Remove options constructor
6334         parameter and options_ field.  Change all callers.
6335         (class Gc_process_relocs, class Scan_relocs): Likewise.
6336         (class Relocate_task): Likewise.
6337         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6338         all callers.
6339         (scan_relocatable_relocs): Likewise.
6340         * target.h (class Sized_target): Remove options parameter from
6341         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6342         all callers.
6343         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6344         callers.
6345         * arm.cc: Update functions to remove options parameters.
6346         * i386.cc: Likewise.
6347         * powerpc.cc: Likewise.
6348         * sparc.cc: Likewise.
6349         * x86_64.cc: Likewise.
6350         * testsuite/testfile.cc: Likewise.
6351
6352 2009-10-28  Doug Kwan  <dougkwan@google.com>
6353
6354         * arm.cc (Arm_relobj): New class definition.
6355         (Arm_relobj::scan_sections_for_stubs,
6356         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6357         New method definitions.
6358
6359 2009-10-28  Cary Coutant  <ccoutant@google.com>
6360
6361         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6362         (Plugin::cleanup_done_): New member.
6363         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6364         (Plugin_manager::cleanup_done_): Remove.
6365         (Plugin_manager::add_input_file): Edit error message.
6366         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6367         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6368
6369 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6370
6371         * fileread.cc: (File_read::View::~View): Use the new
6372         data_ownership_ filed.
6373         (File_read::~File_read): Dispose the new whole_file_view_.
6374         (File_read::open): Mmap the whole file if needed.
6375         (File_read::open): Use whole_file_view_ instead of contents_.
6376         (File_read::find_view): Use whole_file_view_ if applicable.
6377         (File_read::do_read): Use whole_file_view_ instead of contents_.
6378         (File_read::make_view): Use whole_file_view_ instead of contents_,
6379         update File_read::View::View call.
6380         (File_read::find_or_make_view): Update File_read::View::View
6381         call.
6382         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6383         remove contents_
6384         (File_read::View::Data_ownership): New enum.
6385         (File_read::View::View): Replace bool mapped_ with Data_ownership
6386         argument.
6387         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6388         (File_read::View::data_ownership_): New field.
6389         (File_read::contents_): Remove (replaced by whole_file_view_).
6390         (File_read::whole_file_view_): New field.
6391         * options.h (class General_options): Add --keep-files-mapped.
6392
6393 2009-10-27  Cary Coutant  <ccoutant@google.com>
6394
6395         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6396         * testsuite/Makefile.am (plugin_test_5): New test case.
6397         * testsuite/Makefile.in: Regenerate.
6398
6399 2009-10-25  Doug Kwan  <dougkwan@google.com>
6400
6401         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6402         from private to protected to allow access by child class.
6403         (Sized_relobj::do_relocate_sections): New method declaration.
6404         (Sized_relobj::relocate_sections): Virtualize.
6405         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6406         Sized_relobj::relocate_sections.  Instantiate template explicitly
6407         for different target sizes and endianity.
6408
6409 2009-10-24  Doug Kwan  <dougkwan@google.com>
6410
6411         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6412         (Arm_input_section::as_arm_input_section): New method.
6413         (Arm_output_section): New class definition.
6414         (Arm_output_section::create_stub_group,
6415         Arm_output_section::group_sections): New method definitions.
6416
6417 2009-10-22  Doug Kwan  <dougkwan@google.com>
6418
6419         * arm.cc (Arm_input_section): New class definition.
6420         (Arm_input_section::init, Arm_input_section:do_write,
6421         Arm_input_section::set_final_data_size,
6422         Arm_input_section::do_reset_address_and_file_offset): New method
6423         definitions.
6424
6425 2009-10-21  Doug Kwan  <dougkwan@google.com>
6426
6427         * arm.cc (Stub_table, Arm_input_section): New forward class
6428         declarations.
6429         (Stub_table): New class defintion.
6430         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6431         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6432         New method definition.
6433
6434 2009-10-21  Doug Kwan  <dougkwan@google.com>
6435
6436         * arm.cc: Update copyright comments.
6437         (Target_arm): New forward class template declaration.
6438         (Arm_address): New type.
6439         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6440         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6441         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6442         constants.
6443         (Insn_template): Same.
6444         (DEF_STUBS): New macro.
6445         (Stub_type): New enum type.
6446         (Stub_template): New class definition.
6447         (Stub): Same.
6448         (Reloc_stub): Same.
6449         (Stub_factory): Same.
6450         (Target_arm::Target_arm): Initialize may_use_blx_ and
6451         should_force_pic_veneer_.
6452         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6453         Target_arm::should_force_pic_veneer,
6454         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6455         Target_arm::using_thumb_only, Target_arm:;default_target): New
6456         method defintions.
6457         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6458         New data member declarations.
6459         (Insn_template::size, Insn_template::alignment): New method defintions.
6460         (Stub_template::Stub_template): New method definition.
6461         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6462         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6463         (Stub_factory::Stub_factory): New method definition.
6464         * gold.h (string_hash): New template.
6465         * output.h (Input_section_specifier::hash_value): Use
6466         gold::string_hash.
6467         (Input_section_specifier::string_hash): Remove.
6468         * stringpool.cc (Stringpool_template::string_hash): Use
6469         gold::string_hash.
6470
6471 2009-10-20  Doug Kwan  <dougkwan@google.com>
6472
6473         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6474         symbols of relaxed input sections.
6475         * output.h (Output_section::find_relaxed_input_section): Make
6476         method public.
6477
6478 2009-10-16  Doug Kwan  <dougkwan@google.com>
6479
6480         * dynobj.cc (Versions::Versions): Initialize version_script_.
6481         Only insert base version symbol definition for a shared object
6482         if version script defines any version versions.
6483         (Versions::define_base_version): New method definition.
6484         (Versions::add_def): Check that base version is not needed.
6485         (Versions::add_need): Define base version lazily.
6486         * dynobj.h (Versions::define_base_version): New method declaration.
6487         (Versions::needs_base_version_): New data member declaration.
6488         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6489         (check_DATA): Add no_version_test.stdout.
6490         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6491         New make rules.
6492         * testsuite/Makefile.in: Regenerate.
6493         * testsuite/no_version_test.c: New file.
6494         * testsuite/no_version_test.sh: Ditto.
6495
6496 2009-10-16  Doug Kwan  <dougkwan@google.com>
6497
6498         * expression.cc (class Segment_start_expression): New class definition.
6499         (Segment_start_expression::value): New method definition.
6500         (script_exp_function_segment_start): Return a new
6501         Segment_start_expression.
6502         * gold/script-c.h (script_saw_segment_start_expression): New function
6503         prototype.
6504         * script-sections.cc (Script_sections::Script_sections): Initialize
6505         SAW_SEGMENT_START_EXPRESSION_ to false.
6506         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6507         and -Tbbs options to specify section addresses if given in
6508         command line and no SEGMENT_START expression is seen in a script.
6509         * script-sections.h (Script_sections::saw_segment_start_expression,
6510         Script_sections::set_saw_segment_start_expression): New method
6511         definition.
6512         (Script_sections::saw_segment_start_expression_): New data member
6513         declaration.
6514         * script.cc (script_saw_segment_start_expression): New function.
6515         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6516         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6517         script_test_7.sh and script_test_8.sh.
6518         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6519         script_test_8.stdout.
6520         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6521         (script_test_6, script_test_6.stdout, script_test_7,
6522         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6523         * Makefile.in: Regenerate.
6524         * testsuite/script_test_6.sh: New file.
6525         * testsuite/script_test_6.t: Same.
6526         * testsuite/script_test_7.sh: Same.
6527         * testsuite/script_test_7.t: Same.
6528         * testsuite/script_test_8.sh: Same.
6529
6530 2009-10-16  Doug Kwan  <dougkwan@google.com>
6531
6532         * output.cc (Output_segment::set_section_list_address): Cast
6533         expressions to unsigned long long type to avoid format warnings.
6534
6535 2009-10-15  Ian Lance Taylor  <iant@google.com>
6536
6537         * script.cc (Script_options::add_symbol_assignment): Always add a
6538         dot assignment to script_sections_.
6539         * script-sections.cc (Script_sections::add_dot_assignment):
6540         Initialize if necessary.
6541
6542         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6543         program headers with no load segment if there is a linker script.
6544
6545         * layout.cc (Layout::set_segment_offsets): Align the file offset
6546         to the segment aligment for -N or -n with no load segment.
6547         * output.cc (Output_segment::add_output_section): Don't crash if
6548         the first section is a TLS section.
6549         (Output_segment::set_section_list_addresses): Print an error
6550         message if the address moves backward in a linker script.
6551         * script-sections.cc
6552         (Output_section_element_input::set_section_addresses): Don't
6553         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6554         (Orphan_output_section::set_section_addresses): Likewise.
6555
6556 2009-10-15  Doug Kwan  <dougkwan@google.com>
6557
6558         * layout.cc (Layout::finish_dynamic_section): Generate tags
6559         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6560         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6561         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6562
6563 2009-10-14  Ian Lance Taylor  <iant@google.com>
6564
6565         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6566         fields.
6567         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6568         data_shdr fields of relinfo.
6569         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6570         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6571         R_386_TLS_LDO_32, adjust based on section flags.
6572         (Target_i386::Relocate::fix_up_ldo): Remove.
6573
6574 2009-10-13  Ian Lance Taylor  <iant@google.com>
6575
6576         Add support for -pie.
6577         * options.h (class General_options): Add -pie and
6578         --pic-executable.
6579         (General_options::output_is_position_independent): Test -pie.
6580         (General_options::output_is_executable): Return true if not shared
6581         and not relocatable.
6582         (General_options::output_is_pie): Remove.
6583         * options.cc (General_options::finalize): Reject incompatible uses
6584         of -pie.
6585         * gold.cc (queue_middle_tasks): A -pie link is not static.
6586         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6587         * symtab.cc (Symbol::final_value_is_known): Return false if
6588         output_is_position_independent.
6589         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6590         output_is_position_independent.
6591         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6592         output_is_position_independent.
6593         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6594         output_is_position_independent.
6595         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6596         two_file_pie_test.
6597         (basic_pie_test.o, basic_pie_test): New targets.
6598         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6599         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6600         (two_file_pie_test): New target.
6601         * testsuite/Makefile.in: Rebuild.
6602         * README: Remove note saying that -pie is not supported.
6603
6604 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6605
6606         * options.h (class General_options): Add -init and -fini.
6607         * layout.cc (Layout::finish_dynamic_section): Emit
6608         given init and fini functions.
6609
6610 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6611
6612         * gc.h (gc_process_relocs): Check if icf is enabled using new
6613         function.
6614         * gold.cc (queue_initial_tasks): Likewise.
6615         (queue_middle_tasks): Likewise.
6616         * object.cc (do_layout): Likewise.
6617         * symtab.cc (is_section_folded): Likewise.
6618         * main.cc (main): Likewise.
6619         * reloc.cc (Read_relocs::run): Likewise.
6620         (Sized_relobj::do_scan_relocs): Likewise.
6621         * icf.cc (is_function_ctor_or_dtor): New function.
6622         (Icf::find_identical_sections): Check if function is ctor or dtor when
6623         safe icf is chosen.
6624         * options.h (General_options::icf): Change option to be an enum.
6625         (Icf_status): New enum.
6626         (icf_enabled): New method.
6627         (icf_safe_folding): New method.
6628         (set_icf_status): New method.
6629         (icf_status_): New variable.
6630         * (options.cc) (General_options::finalize): Set icf_status_.
6631         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6632         icf_test and icf_keep_unique_test to use the --icf enum flag.
6633         * testsuite/icf_safe_test.sh: New file.
6634         * testsuite/icf_safe_test.cc: New file.
6635
6636 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6637
6638         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6639         includes to gc.h and icf.h.
6640         * arm.cc: Include gc.h.
6641         * gold.cc: Likewise.
6642         * i386.cc: Likewise.
6643         * powerpc.cc: Likewise.
6644         * sparc.cc: Likewise.
6645         * x86_64.cc: Likewise.
6646         * gc.h: Include icf.h.
6647
6648 2009-10-11  Ian Lance Taylor  <iant@google.com>
6649
6650         * plugin.cc: Include "gold.h" before other header files.
6651
6652 2009-10-10  Chris Demetriou  <cgd@google.com>
6653
6654         * options.h (Input_file_argument::Input_file_type): New enum.
6655         (Input_file_argument::is_lib_): Replace with...
6656         (Input_file_argument::type_): New member.
6657         (Input_file_argument::Input_file_argument): Take Input_file_type
6658         'type' rather than boolean 'is_lib' as second argument.
6659         (Input_file_argument::is_lib): Use type_.
6660         (Input_file_argument::is_searched_file): New function.
6661         (Input_file_argument::may_need_search): Handle is_searched_file.
6662         * options.cc (General_options::parse_library): Support -l:filename.
6663         (General_options::parse_just_symbols): Update for Input_file_argument
6664         changes.
6665         (Command_line::process): Likewise.
6666         * archive.cc (Archive::get_file_and_offset): Likewise.
6667         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6668         * script.cc (read_script_file, script_add_file): Likewise.
6669         * fileread.cc (Input_file::Input_file): Likewise.
6670         (Input_file::will_search_for): Handle is_searched_file.
6671         (Input_file::open): Likewise.
6672         * readsyms.cc (Read_symbols::get_name): Likewise.
6673         * testsuite/Makefile.am (searched_file_test): New test.
6674         * testsuite/Makefile.in: Regenerate.
6675         * testsuite/searched_file_test.cc: New file.
6676         * testsuite/searched_file_test_lib.cc: New file.
6677
6678 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6679             Ian Lance Taylor  <iant@google.com>
6680
6681         * descriptor.cc: Include <cstdio> and "binary-io.h".
6682         (Descriptors::open): Open the files in binary mode always.
6683         * script.cc (Lex::get_token): Treat \r as whitespace.
6684
6685 2009-10-09  Ian Lance Taylor  <iant@google.com>
6686
6687         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6688
6689 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6690             Ian Lance Taylor  <iant@google.com>
6691
6692         * configure.ac: Check for readv function also.
6693         * fileread.cc (readv): Define if not HAVE_READV.
6694         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6695         does not exist.
6696         * config.in: Regenerate.
6697         * configure: Regenerate.
6698
6699 2009-10-09  Doug Kwan  <dougkwan@google.com>
6700
6701         * layout.cc (Layout::make_output_section): Call target hook to make
6702         ordinary output section.
6703         (Layout::finalize): Adjust parameter list of call the
6704         Target::may_relax().
6705         * layout.h (class Layout::section_list): New method.
6706         * merge.h (Output_merge_base::entsize): Change visibility to public.
6707         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6708         New methods.
6709         (Output_merge_string::do_is_string): New method.
6710         * object.cc (Sized_relobj::do_setup): renamed from
6711         Sized_relobj::set_up.
6712         * object.h (Sized_relobj::adjust_shndx,
6713         Sized_relobj::initializ_input_to_output_maps,
6714         Sized_relobj::free_input_to_output_maps): Change visibilities to
6715         protected.
6716         (Sized_relobj::setup): Virtualize.
6717         (Sized_relobj::do_setup): New method declaration.
6718         (Sized_relobj::invalidate_section_offset,
6719         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6720         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6721         * options.cc (parse_int): New function.
6722         * options.h (parse_int): New declaration.
6723         (DEFINE_int): New macro.
6724         (stub_group_size): New option.
6725         * output.cc (Output_section::Output_section): Initialize memebers
6726         merge_section_map_, merge_section_by_properties_map_,
6727         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6728         (Output_section::add_input_section): Handled deferred code-fill
6729         generation and remove an old comment.
6730         (Output_section::add_relaxed_input_section): New method definition.
6731         (Output_section::add_merge_input_section): Use merge section by
6732         properties map to speed to search.  Update merge section maps
6733         as appropriate.
6734         (Output_section::build_relaxation_map): New method definition.
6735         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6736         Same.
6737         (Output_section::relax_input_section): Renamed to
6738         Output_section::convert_input_sections_to_relaxed_sections and change
6739         interface to take a vector of pointers to relaxed sections.
6740         (Output_section::find_merge_section,
6741         Output_section::find_relaxed_input_section): New method definitions.
6742         (Output_section::is_input_address_mapped,
6743         Output_section::output_offset, Output_section::output_address):
6744         Use output section data maps to speed up searching.
6745         (Output_section::find_starting_output_address): Add comments.
6746         (Output_section::do_write,
6747         Output_section::write_to_postprocessing_buffer): Do code-fill
6748         generation as appropriate.
6749         (Output_section::get_input_sections): Invalidate relaxed input section
6750         map.
6751         (Output_section::restore_states): Adjust type of checkpoint .
6752         Invalidate relaxed input section map.
6753         * output.h (Output_merge_base): New class declaration.
6754         (Input_section_specifier): New class defintion.
6755         (class Output_relaxed_input_section) Change base class to
6756         Output_section_data_build.
6757         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6758         base class initializer.
6759         (Output_section::add_relaxed_input_section): New method declaration.
6760         (Output_section::Input_section): Change visibility to protected.
6761         (Output_section::Input_section::relobj,
6762         Output_section::Input_section::shndx): Handle relaxed input sections.
6763         Output_section::input_sections) Change visibility to protected.  Also
6764         define overload to return a non-const pointer.
6765         (Output_section::Merge_section_properties): New class defintion.
6766         (Output_section::Merge_section_by_properties_map,
6767         Output_section::Output_section_data_by_input_section_map,
6768         Output_section::Relaxation_map): New types.
6769         (Output_section::relax_input_section): Rename method to
6770         Output_section::convert_input_sections_to_relaxed_sections and change
6771         interface to take a vector of relaxed section pointers.
6772         (Output_section::find_merge_section,
6773         Output_section::find_relaxed_input_section,
6774         Output_section::build_relaxation_map,
6775         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6776         New method declarations.
6777         (Output_section::merge_section_map_
6778         Output_section::merge_section_by_properties_map_,
6779         Output_section::relaxed_input_section_map_,
6780         Output_section::is_relaxed_input_section_map_valid_,
6781         Output_section::generate_code_fills_at_write_): New data members.
6782         * script-sections.cc
6783         (Output_section_element_input::set_section_addresses): Call
6784         current_data_size and addralign methods of relaxed input sections.
6785         (Orphan_output_section::set_section_addresses): Call current_data_size
6786         and addralign methods of relaxed input sections.
6787         * symtab.cc (Symbol_table::compute_final_value): Extract template
6788         from the body of Symbol_table::sized_finalize_symbol.
6789         (Symbol_table::sized_finalized_symbol): Call
6790         Symbol_table::compute_final_value.
6791         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6792         (Symbol_table::compute_final_value): New templated method declaration.
6793         * target.cc (Target::do_make_output_section): New method defintion.
6794         * target.h (Target::make_output_section): New method declaration.
6795         (Target::relax): Add more parameters for input objects, symbol table
6796         and layout.  Adjust call to do_relax.
6797         (Target::do_make_output_section): New method declaration.
6798         (Target::do_relax): Add parameters for input objects, symbol table
6799         and layout.
6800
6801 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6802
6803         * pread.c: Include stdio.h.
6804
6805 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6806
6807         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6808         defined.
6809
6810 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6811
6812         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6813         Change read_shndx type to unsigned int.
6814         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6815         int.
6816         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6817         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6818         Change read_shndx type to unsigned int.
6819         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6820         int.
6821         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6822         * layout.cc (Layout::create_symtab_sections): Cast the result of
6823         local_symcount * symsize to off_t in the gold_assert.
6824
6825 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6826
6827         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6828         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6829         R_ARM_BASE_ABS.
6830         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6831         (Arm_relocate_functions::thm_abs5): New function.
6832         (Arm_relocate_functions::abs12): New function.
6833         (Arm_relocate_functions::abs16): New function.
6834         (Arm_relocate_functions::base_abs): New function.
6835         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6836         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6837         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6838         R_ARM_BASE_ABS.
6839         (Scan::global): Likewise.
6840         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6841         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6842         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6843         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6844         R_ARM_BASE_ABS.
6845
6846 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6847
6848         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6849         (Arm_relocate_functions::movt_prel): New function.
6850         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6851         (Arm_relocate_functions::thm_movt_prel): New function.
6852         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6853         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6854         (Scan::global, Relocate::relocate): Likewise.
6855         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6856
6857 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6858
6859         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6860         Incremental_checker.
6861         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6862         unsigned int.
6863         (class Incremental_inputs_header): New class.
6864         (Incremental_inputs_header_writer): Edit comment.
6865         (Incremental_inputs_entry): New class.
6866         (Incremental_inputs_entry_writer): Edit comment.
6867         (Sized_incremental_binary::do_find_incremental_inputs_section):
6868         Add *strtab_shndx parameter, fill it.
6869         (Sized_incremental_binary::do_check_inputs): New method.
6870         (Incremental_checker::can_incrementally_link_output_file): Use
6871         Sized_incremental_binary::check_inputs.
6872         (Incremental_inputs::report_command_line): Save command line in
6873         command_line_.
6874         * incremental.h:
6875         (Incremental_binary::find_incremental_inputs_section): New
6876         method.
6877         (Incremental_binary::do_find_incremental_inputs_section): Add
6878         strtab_shndx parameter.
6879         (Incremental_binary::do_check_inputs): New pure virtual method.
6880         (Sized_incremental_binary::do_check_inputs): Declare.
6881         (Incremental_checker::Incremental_checker): Add incremental_inputs
6882         parameter, use it to initialize incremental_inputs_.
6883         (Incremental_checker::incremental_inputs_): New field.
6884         (Incremental_checker::command_line): New method.
6885         (Incremental_checker::inputs): New method.
6886         (Incremental_checker::command_line_): New field.
6887
6888 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6889
6890         * incremental.cc: Include <cstdarg> and "target-select.h".
6891         (vexplain_no_incremental): New function.
6892         (explain_no_incremental): New function.
6893         (Incremental_binary::error): New method.
6894         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6895         method.
6896         (make_sized_incremental_binary): New function.
6897         (open_incremental_binary): New function.
6898         (can_incrementally_link_file): Add checks if output is ELF and has
6899         inputs section.
6900         * incremental.h: Include "elfcpp_file.h" and "output.h".
6901         (Incremental_binary): New class.
6902         (Sized_incremental_binary): New class.
6903         (open_incremental_binary): Declare.
6904         * object.cc (is_elf_object): Use
6905         elfcpp::Elf_recognizer::is_elf_file.
6906         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6907         * output.h (Output_file::filesize): New method.
6908
6909 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6910
6911         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6912         New function.
6913         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6914         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6915         function.
6916         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6917         function.
6918         (Arm_relocate_functions::movw_abs_nc): New function.
6919         (Arm_relocate_functions::movt_abs): New function.
6920         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6921         (Arm_relocate_functions::thm_movt_abs): New function.
6922         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6923         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6924         (Scan::global): Likewise.
6925         (Relocate::relocate): Likewise.
6926         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6927
6928 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6929
6930         * arm.cc (Arm_relocate_functions::got_prel) New function.
6931         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6932         (Relocate::relocate): Likewise.
6933         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6934
6935 2009-10-06  Ian Lance Taylor  <iant@google.com>
6936
6937         * options.h (class General_options): Define
6938         split_stack_adjust_size parameter.
6939         * object.h (class Object): Add uses_split_stack_ and
6940         has_no_split_stack_ fields.  Add uses_split_stack and
6941         has_no_split_stack accessor functions.  Declare
6942         handle_split_stack_section.
6943         (class Reloc_symbol_changes): Define.
6944         (class Sized_relobj): Define Function_offsets.  Declare
6945         split_stack_adjust, split_stack_adjust_reltype, and
6946         find_functions.
6947         * object.cc (Object::handle_split_stack_section): New function.
6948         (Sized_relobj::do_layout): Call handle_split_stack_section.
6949         * dynobj.cc (Sized_dynobj::do_layout): Call
6950         handle_split_stack_section.
6951         * reloc.cc (Sized_relobj::relocate_sections): Call
6952         split_stack_adjust for executable sections in split_stack
6953         objects.  Pass reloc_map to relocate_section.
6954         (Sized_relobj::split_stack_adjust): New function.
6955         (Sized_relobj::split_stack_adjust_reltype): New function.
6956         (Sized_relobj::find_functions): New function.
6957         * target-reloc.h: Include "object.h".
6958         (relocate_section): Add reloc_symbol_changes parameter.  Change
6959         all callers.
6960         * target.h (class Target): Add calls_non_split method.  Declare
6961         do_calls_non_split virtual method.  Declare match_view and
6962         set_view_to_nop.
6963         * target.cc: Include "elfcpp.h".
6964         (Target::do_calls_non_split): New function.
6965         (Target::match_view): New function.
6966         (Target::set_view_to_nop): New function.
6967         * gold.cc (queue_middle_tasks): Give an error if mixing
6968         split-stack and non-split-stack objects with -r.
6969         * i386.cc (Target_i386::relocate_section): Add
6970         reloc_symbol_changes parameter.
6971         (Target_i386::do_calls_non_split): New function.
6972         * x86_64.cc (Target_x86_64::relocate_section): Add
6973         reloc_symbol_changes parameter.
6974         (Target_x86_64::do_calls_non_split): New function.
6975         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6976         parameter.
6977         * powerpc.cc (Target_powerpc::relocate_section): Add
6978         reloc_symbol_changes parameter.
6979         * sparc.cc (Target_sparc::relocate_section): Add
6980         reloc_symbol_changes parameter.
6981         * configure.ac: Call AM_CONDITIONAL for the default target.
6982         * configure: Rebuild.
6983         * testsuite/Makefile.am (TEST_AS): New variable.
6984         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6985         (check_DATA): Add split_i386 and split_x86_64 files.
6986         (SPLIT_DEFSYMS): Define.
6987         (split_i386_[1234n].o): New targets.
6988         (split_i386_[124]): New targets.
6989         (split_i386_[1234r].stdout): New targets.
6990         (split_x86_64_[1234n].o): New targets.
6991         (split_x86_64_[124]): New targets.
6992         (split_x86_64_[1234r].stdout): New targets.
6993         (MOSTLYCLEANFILES): Add new executables.
6994         * testsuite/split_i386.sh: New file.
6995         * testsuite/split_x86_64.sh: New file.
6996         * testsuite/split_i386_1.s: New file.
6997         * testsuite/split_i386_2.s: New file.
6998         * testsuite/split_i386_3.s: New file.
6999         * testsuite/split_i386_4.s: New file.
7000         * testsuite/split_i386_n.s: New file.
7001         * testsuite/split_x86_64_1.s: New file.
7002         * testsuite/split_x86_64_2.s: New file.
7003         * testsuite/split_x86_64_3.s: New file.
7004         * testsuite/split_x86_64_4.s: New file.
7005         * testsuite/split_x86_64_n.s: New file.
7006         * testsuite/testfile.cc (Target_test): Update relocation_section
7007         function.
7008         * testsuite/Makefile.in: Rebuild.
7009
7010 2009-10-06  Ian Lance Taylor  <iant@google.com>
7011
7012         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7013         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7014         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7015         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7016         the address on ldo_addrs_.
7017         (Target_i386::Relocate::fix_up_ldo): New function.
7018
7019 2009-10-06   Rafael Espindola  <espindola@google.com>
7020
7021         * plugin.cc (add_input_library): New.
7022         (Plugin::load): Add add_input_library to tv.
7023         (Plugin_manager::add_input_file): Add the is_lib argument.
7024         (add_input_file): Update call to Plugin_manager::add_input_file.
7025         (add_input_library): New.
7026         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7027
7028 2009-09-30  Doug Kwan  <dougkwan@google.com>
7029
7030         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7031         symbol and call Symbol::may_need_copy_reloc to determine if
7032         a copy reloc is needed.
7033         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7034         nocopyreloc is given in command line.
7035         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7036         given in command line.
7037         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7038         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7039         of the removed Target_i386::may_need_copy_reloc.
7040         * options.h (copyreloc): New option with default value false.
7041         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7042         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7043         instead of the removed Target_powerpc::may_need_copy_reloc.
7044         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7045         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7046         instead of the removed Target_sparc::may_need_copy_reloc.
7047         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7048         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7049         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7050         instead of the removed Target_x86_64::may_need_copy_reloc.
7051
7052 2009-09-30  Ian Lance Taylor  <iant@google.com>
7053
7054         * object.h (class Object): Remove target_ field, and target,
7055         sized_target, and set_target methods.
7056         (Object::sized_target): Remove.
7057         (class Sized_relobj): Update declarations.  Remove sized_target.
7058         * object.cc (Sized_relobj::setup): Remove target parameter.
7059         Change all callers.
7060         (Input_objects::add_object): Don't do anything with the target.
7061         (make_elf_sized_object): Add punconfigured parameter.  Change all
7062         callers.  Set or test parameter target.
7063         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7064         Change all callers.
7065         * parameters.cc (Parameters::set_target): Change parameter type to
7066         be non-const.
7067         (Parameters::default_target): Remove.
7068         (set_parameters_target): Change parameter type to be non-const.
7069         (parameters_force_valid_target): New function.
7070         (parameters_clear_target): New function.
7071         * parameters.h (class Parameters): Update declarations.  Remove
7072         default_target method.  Add sized_target and clear_target
7073         methods.  Change target_ to be non-const.
7074         (set_parameters_target): Update declaration.
7075         (parameters_force_valid_target): Declare.
7076         (parameters_clear_target): Declare.
7077         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7078         as NULL if we aren't searching.
7079         (Add_symbols::run): Don't check for compatible target.
7080         * fileread.cc (Input_file::open_binary): Call
7081         parameters_force_valid_target.
7082         * gold.cc (queue_middle_tasks): Likewise.
7083         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7084         set_target on object.
7085         * dynobj.h (class Sized_dynobj): Update declarations.
7086         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7087         make_elf_object returns NULL.
7088         (Archive::include_member): Don't check whether object target is
7089         compatible.
7090         * output.cc (Output_section::add_input_section): Get target from
7091         parameters.
7092         (Output_section::relax_input_section): Likewise.
7093         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7094         parameters.
7095         (Sized_relobj::do_scan_relocs): Likewise.
7096         (Sized_relobj::relocate_sections): Likewise.
7097         * resolve.cc (Symbol_table::resolve): Likewise.
7098         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7099         parameter.  Change all callers.
7100         (Symbol_table::add_from_object): Get target from parameters.
7101         (Symbol_table::add_from_relobj): Don't check object target.
7102         (Symbol_table::add_from_dynobj): Likewise.
7103         (Symbol_table::define_special_symbol): Get target from
7104         parameters.
7105         * symtab.h (class Symbol_table): Update declaration.
7106         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7107         parameter.  Change all callers.  Clear parameter target.
7108         (Binary_test): Test target here.
7109         * testsuite/object_unittest.cc (gold_testsuite): Remove
7110         target_test_pointer parameter.  Change all callers.
7111         (Object_test): Test target here.
7112
7113 2009-09-26  Ian Lance Taylor  <iant@google.com>
7114
7115         * testsuite/initpri1.c: Don't try to use constructor priorities if
7116         compiling with gcc before 4.3.
7117
7118 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7119
7120         * testsuite/retain_symbols_file_test.sh (check_present): Change
7121         output file name to retain_symbols_file_test.stdout.
7122         (check_absent): Likewise.
7123
7124 2009-09-18  Craig Silverstein  <csilvers@google.com>
7125
7126         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7127         * options.cc: Include <cerrno> and <fstream>.
7128         (General_options::finalize): Parse -retain-symbols-file tag.
7129         * options.h: New flag.
7130         (General_options): New method should_retain_symbol, new
7131         variable symbols_to_retain.
7132         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7133         should_retain_symbol map.
7134         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7135         * testsuite/Makefile.in: Regenerate.
7136         * testsuite/retain_symbols_file_test.sh: New file.
7137
7138 2009-09-18  Nick Clifton  <nickc@redhat.com>
7139
7140         * po/es.po: Updated Spanish translation.
7141
7142 2009-09-17  Doug Kwan  <dougkwan@google.com>
7143
7144         * debug.h (DEBUG_RELAXATION): New constant.
7145         (DEBUG_ALL): Add DEBUG_RELAXATION.
7146         (debug_string_to_enum): Add relaxation debug option.
7147         * layout.cc
7148         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7149         Layout::Relaxation_debug_check::read_sections,
7150         Layout::Relaxation_debug_check::read_sections): New method definitions.
7151         (Layout::Layout): Initialize data members
7152         record_output_section_data_from_scrips_,
7153         script_output_section_data_list_ and relaxation_debug_check_.
7154         (Layout::save_segments, Layout::restore_segments,
7155         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7156         Layout::relaxation_loop_body): New method definitions.
7157         (Layout::finalize): Support relaxation.  Move section layout code to
7158         Layout::relaxation_loop_body.
7159         (Layout::set_asection_address_from_script): Move code for orphan
7160         section placement out.
7161         (Layout::place_orphan_sections_in_script): New method definition.
7162         * layout.h (Output_segment_headers, Output_file_header):
7163         New forward class declarations.
7164         (Layout::~Layout): Define.
7165         (Layout::new_output_section_data_from_script): New method definition.
7166         (Layout::place_orphan_sections_in_script): New method declaration.
7167         (Layout::Segment_states): New type declaration.
7168         (Layout::save_segments, Layout::restore_segments,
7169         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7170         Layout::relaxation_loop_body): New method declarations.
7171         (Layout::Output_section_data_list): New type declaration.
7172         (Layout::Relaxation_debug_check): New class definition.
7173         (Layout::record_output_section_data_from_script_,
7174         Layout::script_output_section_data_list_, Layout::segment_states_,
7175         Layout::relaxation_debug_check_): New data members.
7176         * output.cc: (Output_section_headers::do_size): New method definition.
7177         (Output_section_headers::Output_section_headers): Move size
7178         computation to Output_section_headers::do_size.
7179         (Output_segment_headers::do_size): New method definition.
7180         (Output_file_header::Output_file_header): Move size computation to
7181         Output_file_header::do_size and call it.
7182         (Output_file_header::do_size): New method definition.
7183         (Output_data_group::Output_data_group): Adjust call to
7184         Output_section_data.
7185         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7186         (Output_symtab_xindex::do_write): Add array bound check.
7187         (Output_section::Input_section::print_to_mapfile): Handle
7188         RELAXED_INPUT_SECTION_CODE.
7189         (Output_section::Output_section): Initialize data member checkpoint_.
7190         (Output_section::~Output_section): Delete checkpoint object pointed
7191         by checkpoint_.
7192         (Output_section::add_input_section): Always add an Input_section if
7193         relaxing.
7194         (Output_section::add_merge_input_section): Add assert.
7195         (Output_section::relax_input_section): New method definition.
7196         (Output_section::set_final_data_size): Set load address to zero for
7197         an unallocated section.
7198         (Output_section::do_address_and_file_offset_have_reset_values):
7199         New method definition.
7200         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7201         Handle relaxed input section.
7202         (Output_section::sort_attached_input_sections): Checkpoint input
7203         section list lazily.
7204         (Output_section::get_input_sections): Change type of input_sections to
7205         list of Simple_input_section pointers.  Checkpoint input section list
7206         lazily.  Also handle relaxed input sections.
7207         (Output_section::add_input_section_for_script): Take a reference to
7208         a Simple_input_section object instead of Relobj pointer and section
7209         index as parameter.  Handle relaxed input sections.
7210         (Output_section::save_states, Output_section::restore_states): New
7211         method definitions.
7212         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7213         (Output_data::is_data_size_fixed): New method definition.
7214         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7215         if it is fixed.
7216         (Output_data::address_and_file_offset_have_reset_values): New method
7217         definition.
7218         (Output_data::do_address_and_file_offset_have_reset_values): New method
7219         definition.
7220         (Output_data::set_data_size): Check that data size is not fixed.
7221         (Output_data::fix_data_size): New method definition.
7222         (Output_data::is_data_size_fixed_): New data member.
7223         (Output_section_headers::set_final_data_size): New method definition.
7224         (Output_section_headers::do_size): New method declaration.
7225         (Output_segment_headers::set_final_data_size): New method definition.
7226         (Output_segment_headers::do_size): New method declaration.
7227         (Output_file_header::set_final_data_size)::New method definition.
7228         (Output_file_header::do_size)::New method declaration.
7229         (Output_section_data::Output_section_data): Add new parameter
7230         is_data_size_fixed and use it to fix data size.
7231         (Output_data_const::Output_data_const): Adjust call to base class
7232         constructor and fix data size.
7233         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7234         base class constructor and fix data size.
7235         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7236         base class constructor and fix data size.
7237         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7238         class constructor and fix data size.
7239         (Output_data_group::set_final_data_size): New method definition.
7240         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7241         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7242         class constructor and fix data size.
7243         (Output_relaxed_input_section): New class definition.
7244         (Output_section::Simple_input_section): New class definition.
7245         (Output_section::get_input_sections): Adjust parameter list.
7246         (Output_section::add_input_section_for_script): Same.
7247         (Output_section::save_states, Output_section::restore_states,
7248         Output_section::do_address_and_file_offset_have_reset_values,
7249         (Output_section::Input_section::Input_section): Handle
7250         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7251         Output_relaxed_input_section.
7252         (Output_section::Input_section::is_input_section,
7253         Output_section::Input_section::set_output_section): Handle relaxed
7254         input section.
7255         (Output_section::Input_section::is_relaxed_input_section,
7256         Output_section::Input_section::output_section_data,
7257         Output_section::Input_section::relaxed_input_section): New method
7258         definitions.
7259         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7260         value.
7261         (Output_section::Input_section::u1_): Update comments.
7262         (Output_section::Input_section::u2_): Add new union member poris.
7263         (Output_section::Checkpoint_output_section): New classs definition.
7264         (Output_section::relax_input_section): New method declaration.
7265         (Output_section::checkpoint_): New data member.
7266         (Output_segment): Update comments.
7267         (Output_segment::Output_segment): Un-privatize copy constructor.
7268         (Output_segment::operator=): Un-privatize.
7269         * script-sections.cc (Output_section_element::Input_section_list):
7270         Change element type to Output_section::Simple_input_section.
7271         (Output_section_element_dot_assignment::set_section_addresses):
7272         Register output section data for relaxation clean up.
7273         (Output_data_exression::Output_data_expression): Adjust call to base
7274         constructor to fix data size.
7275         (Output_section_element_data::set_section_addresses): Register
7276         Output_data_expression object for relaxation clean up.
7277         (struct Input_section_info): Replace Relobj pointer and section index
7278         pair with Output_section::Simple_input_section and Convert struct to a
7279         class.
7280         (Input_section_sorter::operator()): Adjust access to
7281         Input_section_info data member to use accessors.
7282         (Output_section_element_input::set_section_addresses): Use layout
7283         parameter.  Adjust code to use Output_section::Simple_input_section
7284         and Input_secction_info classes.  Register filler for relaxation
7285         clean up.
7286         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7287         and section index pair with Output_section::Simple_input_section
7288         class.  Adjust code accordingly.
7289         (Phdrs_element::release_segment): New method definition.
7290         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7291         segment list.
7292         (Script_sections::release_segments): New method definition.
7293         * gold/script-sections.h (Script_sections::release_segments): New
7294         method declaration.
7295         * gold/target.h (Target::may_relax, Target::relax,
7296         Target::do_may_relax, Target::do_relax): New method definitions.
7297
7298 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7299
7300         * arm.cc (has_signed_unsigned_overflow): New function.
7301         (Arm_relocate_functions::abs8): New function.
7302         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7303         (Target_arm::Scan::global): Likewise.
7304         (Target_arm::relocate::relocate): Likewise.
7305         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7306         Likewise.
7307
7308 2009-09-16  Cary Coutant  <ccoutant@google.com>
7309
7310         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7311         * testsuite/Makefile.in: Regenerate.
7312
7313 2009-09-11  Nick Clifton  <nickc@redhat.com>
7314
7315         * po/gold.pot: Updated by the Translation project.
7316
7317 2009-09-08  Cary Coutant  <ccoutant@google.com>
7318
7319         * output.cc (Output_file::open): Add execute permission to empty file.
7320         * testsuite/Makefile.am (permission_test): New test.
7321         * testsuite/Makefile.in: Regenerate.
7322
7323 2009-09-02  Ian Lance Taylor  <iant@google.com>
7324
7325         * output.cc (Output_file::resize): Call map_no_anonymous rather
7326         than map.
7327
7328 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7329
7330         * gold.cc: Include "incremental.h".
7331         (queue_initial_tasks): Call Incremental_checker methods.
7332         * incremental.cc: Include "output.h".
7333         (Incremental_checker::can_incrementally_link_output_file): New
7334         method.
7335         * incremental.h (Incremental_checker): New class.
7336
7337         * output.cc (Output_file::open_for_modification): New method.
7338         (Output_file::map_anonymous): Changed return type to bool.  Record
7339         map in base_ field.
7340         (Output_file::map_no_anonymous): New method, broken out of map.
7341         (Output_file::map): Use map_no_anonymous and map_anonymous.
7342         * output.h (class Output_file): Update declarations.
7343
7344 2009-08-24  Cary Coutant  <ccoutant@google.com>
7345
7346         * options.h (Command_line::Pre_options): New class.
7347         (Command_line::pre_options): New member.
7348         * options.cc (gold::options::ready_to_register): New variable.
7349         (One_option::register_option): Do nothing if not registering options.
7350         Assert if same short option registered twice.
7351         (General_options::General_options): Turn off option registration when
7352         done constructing.
7353         (Command_line::Pre_options::Pre_options): New constructor.
7354
7355 2009-08-24  Cary Coutant  <ccoutant@google.com>
7356
7357         * options.h (General_options::no_keep_memory): Remove incorrect
7358         short option.
7359
7360 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7361
7362         * Makefile.am (am__skiplex, am__skipyacc): New.
7363         * Makefile.in: Regenerate.
7364
7365 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7366
7367         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7368         (INCLUDES): ... this.
7369         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7370         (AM_CPPFLAGS): Renamed from ...
7371         (INCLUDE): ... this.
7372         * Makefile.in, testsuite/Makefile.in: Regenerate.
7373
7374         * Makefile.in: Regenerate.
7375         * aclocal.m4: Likewise.
7376         * config.in: Likewise.
7377         * configure: Likewise.
7378         * testsuite/Makefile.in: Likewise.
7379
7380         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7381         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7382         * Makefile.in: Regenerate.
7383         * testsuite/Makefile.in: Regenerate.
7384
7385 2009-08-19  Cary Coutant  <ccoutant@google.com>
7386
7387         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7388         symbols in shared libraries overridden by hidden or internal symbols
7389         in the main program.
7390
7391 2009-08-19  Chris Demetriou  <cgd@google.com>
7392
7393         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7394         checking source file names in error messages.
7395
7396 2009-08-18  Doug Kwan  <dougkwan@google.com>
7397
7398         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7399         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7400         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7401         an elfcpp::Ehdr as parameter.
7402         * object.cc (Object::set_target): Remove the version that looks up
7403         a target and sets it.
7404         (Sized_relobj::setup): Take a Target object instead of
7405         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7406         (make_elf_sized_object): Find target and ask target to
7407         make an ELF object.
7408         * object.h: (Object::set_target): Remove the version that looks up
7409         a target and sets it.
7410         (Sized_relobj::setup): Take a Target object instead of
7411         an elfcpp:Ehdr as parameter.
7412         * target.cc: Include dynobj.h.
7413         (Target::do_make_elf_object_implementation): New.
7414         (Target::do_make_elf_object): New.
7415         * target.h (Target::make_elf_object): New template declaration.
7416         (Target::do_make_elf_object): New method declarations.
7417         (Target::do_make_elf_object_implementation): New template declaration.
7418
7419 2009-08-14  Ian Lance Taylor  <iant@google.com>
7420
7421         * gold.h (FUNCTION_NAME): Define.
7422         (gold_unreachable): Use FUNCTION_NAME.
7423
7424 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7425
7426         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7427         symbol in the --keep-unique list is not found.
7428
7429 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7430
7431         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7432         been maked as --keep-unique.
7433         (Icf::unfold_section): New function.
7434         * icf.h (Icf::unfold_section): New function.
7435         * options.h (General_options::keep_unique): New option.
7436         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7437         * testsuite/Makefile.in: Regenerate.
7438         * testsuite/icf_keep_unique_test.sh: New file.
7439         * testsuite/icf_keep_unique_test.cc: New file.
7440
7441 2009-08-12  Cary Coutant  <ccoutant@google.com>
7442
7443         PR 10471
7444         * resolve.cc (Symbol_table::resolve): Check for references from
7445         dynamic objects to hidden and internal symbols.
7446         * testsuite/Makefile.am (hidden_test.sh): New test.
7447         * testsuite/Makefile.in: Regenerate.
7448         * testsuite/hidden_test.sh: New script.
7449         * testsuite/hidden_test_1.c: New test source.
7450         * testsuite/hidden_test_main.c: New test source.
7451
7452 2009-08-11  Doug Kwan  <dougkwan@google.com>
7453
7454         * arm.cc: Update comments.
7455         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7456         segment to locate the .ARM.exidx section if present.
7457
7458 2009-08-09  Doug Kwan  <dougkwan@google.com>
7459
7460         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7461         patch.
7462
7463 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7464         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7465         compiler warnings.
7466
7467 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7468
7469         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7470         valid tls_segment only for non-debug-section relocations.
7471         * testsuite/Makefile.am: Add gc_tls_test.
7472         * testsuite/Makefile.in: Regenerate.
7473         * testsuite/gc_tls_test.cc: New file.
7474         * testsuite/gc_tls_test.sh: New file.
7475
7476 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7477
7478         * icf.cc: New file.
7479         * icf.h: New file.
7480         * Makefile.am (CCFILES): Add icf.cc.
7481         (HFILES): Add icf.h
7482         * Makefile.in: Regenerate.
7483         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7484         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7485         section, symbol and addend information for the relocs.
7486         * gold.cc (queue_middle_tasks): Call identical code folding.
7487         * gold.h: Add defines for multimap.
7488         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7489         to the call of finalize_local_symbols.
7490         * main.cc (main): Create object of class Icf.
7491         * object.cc (Sized_relobj::do_layout): Allow this function to be
7492         called twice during icf.
7493         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7494         to sections marked as identical by icf.
7495         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7496         when available.
7497         (Sized_relobj::do_section_entsize): New function.
7498         * object.h (Object::section_entsize): New function.
7499         (Object::do_section_entsize): New pure virtual function.
7500         (Relobj::finalize_local_symbols): Add new parameter.
7501         (Relobj::do_section_entsize): New function.
7502         * options.h (General_options::icf): New option.
7503         (General_options::icf_iterations): New option.
7504         (General_options::print_icf_sections): New option.
7505         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7506         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7507         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7508         icf.
7509         * symtab.cc (Symbol_table::is_section_folded): New function.
7510         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7511         to sections marked as identical by icf.
7512         * symtab.h (Symbol_table::set_icf): New function.
7513         (Symbol_table::icf): New function.
7514         (Symbol_table::is_section_folded): New function.
7515         (Symbol_table::icf_): New data member.
7516         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7517         * testsuite/Makefile.am: Add commands to build icf_test.
7518         * testsuite/Makefile.in: Regenerate.
7519         * testsuite/icf_test.sh: New file.
7520         * testsuite/icf_test.cc: New file.
7521
7522 2009-07-24  Chris Demetriou  <cgd@google.com>
7523
7524         * layout.cc (is_compressible_debug_section): Fix incorrect
7525         comment about compressed section names.
7526
7527 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7528
7529         PR 10419
7530         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7531
7532 2009-07-16  Ian Lance Taylor  <iant@google.com>
7533
7534         PR 10400
7535         * layout.h: #include <map>.
7536         (class Kept_section): Change from struct to class.  Add accessors
7537         and setters.  Add section size to Comdat_group mapping.  Change
7538         Comdat_group to std::map.  Add is_comdat_ field.  Add
7539         linkonce_size field in union.
7540         (class Layout): Update declaration of find_or_add_kept_section.
7541         Don't declare find_kept_object.
7542         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7543         parameter.  Add object, shndx, is_comdat, and is_group_name
7544         parameters.  Change all callers.  Adjust for new Kept_section.
7545         (Layout::find_kept_object): Remove.
7546         * object.cc (Sized_relobj::include_section_group): Update use of
7547         Kept_section.  Rename secnum to shndx.  Only record
7548         Kept_comdat_section if sections are the same size.
7549         (Sized_relobj::include_linkonce_section): Update use of
7550         Kept_section.  Only record Kept_comdat_section if sections are the
7551         same size.  Set size of linkonce section.
7552         (Sized_relobj::map_to_kept_section): Update call to
7553         get_kept_comdat_section.
7554         * object.h (class Sized_relobj): Rename fields in
7555         Kept_comdat_section to drop trailing underscores; change object
7556         field to Relobj*.  Change Kept_comdat_section_table to store
7557         struct rather than pointer.
7558         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7559         Add kept_object and kept_shndx parameters.  Change all callers.
7560         (Sized_relobj::get_kept_comdat_section): Change return type to
7561         bool.  Add kept_object and kept_shndx parameters.  Change all
7562         callers.
7563         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7564         Layout::find_or_add_kept_section.
7565
7566 2009-07-09  Ian Lance Taylor  <iant@google.com>
7567
7568         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7569         Reserve space in the hash table.
7570
7571 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7572
7573         * fileread.cc (File_read::get_mtime): New method.
7574         * fileread.h (Timespec): New structure.
7575         (File_read::get_mtime): New method.
7576         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7577         Renamed from timestamp_nsec.
7578         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7579         Elf_Xword.
7580         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7581         timestamp_nsec.
7582         (Incremental_inputs::report_archive): Save mtime; style fix.
7583         (Incremental_inputs::report_obejct): Save mtime; style fix.
7584         (Incremental_inputs::report_script): Save mtime; style fix.
7585         (Incremental_inputs::finalize_inputs): Style fix.
7586         (Incremental_inputs::finalize): Style fix.
7587         (Incremental_inputs::create_input_section_data): Store inputs
7588         mtime.
7589         * incremental.h (Incremental_inputs::report_script): Add mtime
7590         argument.
7591         (Incremental_inputs::Input_info::Input_info): Intialize only one
7592         union member.
7593         (Incremental_inputs::Input_info::archive): Move to nameless
7594         union.
7595         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7596         (Incremental_inputs::Input_info::script): Move to nameless union.
7597         (Incremental_inputs::mtime): New field.
7598         * script.cc (read_input_script): Pass file mtime to
7599         Incremental_input.
7600         * script.h (Script_info::inputs): Style fix.
7601
7602 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7603
7604         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7605         instead of 32.
7606
7607 2009-06-24  Ian Lance Taylor  <iant@google.com>
7608
7609         PR 10156
7610         * layout.cc (Layout::choose_output_section): If we find an
7611         existing section, update the flags.
7612         (Layout::create_notes): New function, broken out of
7613         Layout::finalize.
7614         (Layout::finalize): Don't create note sections.
7615         (Layout::create_note): Don't crash if linker script discards
7616         section.
7617         (Layout::create_gold_note): Likewise.
7618         (Layout::create_build_id): Likewise.  Don't set
7619         after_input_sections on the section.
7620         (Layout::create_executable_stack_info): Remove target parameter.
7621         Change caller.
7622         * layout.h (class Layout): Declare create_notes.  Update
7623         declaration of create_executable_stack_info.
7624         * gold.cc (queue_middle_tasks): Call create_notes.
7625         * output.cc (Output_section::update_flags_for_input_section): Move
7626         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7627         invalid.
7628         * output.h (Output_data::mark_address_invalid): New function.
7629         (class Output_section): Only declare, not define,
7630         update_flags_for_input_section.  Remove set_flags.
7631
7632 2009-06-24  Ian Lance Taylor  <iant@google.com>
7633
7634         * script-sections.cc (Output_section_definition::
7635         set_section_addresses): Rename shadowing local load_address to
7636         laddr.
7637
7638 2009-06-24  Ian Lance Taylor  <iant@google.com>
7639
7640         PR 10244
7641         * reloc.cc (relocate_sections): Skip empty relocation sections.
7642
7643 2009-06-23  Ian Lance Taylor  <iant@google.com>
7644
7645         PR 10156
7646         * layout.cc (Layout::create_note): Use choose_output_section
7647         rather than make_output_section.
7648
7649 2009-06-23  Ian Lance Taylor  <iant@google.com>
7650
7651         PR 10237
7652         * options.cc (General_options::parse_V): Set printed_version_.
7653         (General_options::General_options): Initialize printed_version_.
7654         * options.h (class General_options): Add printed_version_ field.
7655         * gold.cc (queue_initial_tasks): If there are no input files,
7656         don't give a fatal error if we printed the version information.
7657         (queue_middle_tasks): If using -r with a shared object, give a
7658         fatal error rather than an ordinary error.
7659
7660 2009-06-23  Ian Lance Taylor  <iant@google.com>
7661
7662         PR 10219
7663         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7664         (Layout::make_output_section): Set have_stabstr_section_ if we see
7665         a .stab*str section.
7666         (Layout::finalize): Call link_stabs_sections.
7667         (Layout::link_stabs_sections): New file.
7668         * layout.h (class Layout): Add have_stabstr_section_ field.
7669         Declare link_stabs_sections.
7670
7671 2009-06-23  Doug Kwan  <dougkwan@google.com>
7672
7673         * Makefile.am (libgold_a_LIBADD): New.
7674         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7675         * Makefile.in: Regenerate.
7676         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7677         * configure: Regenerate.
7678         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7679         * fileread.cc: Include sys/state.h
7680         * gold.h: Declare memmem and strndup if found missing.
7681         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7682
7683 2009-06-23  Ian Lance Taylor  <iant@google.com>
7684
7685         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7686         * configure: Rebuild.
7687
7688 2009-06-23  Ian Lance Taylor  <iant@google.com>
7689
7690         PR 10147
7691         * object.cc (Object::section_contents): Don't try to get a view if
7692         the section has length zero.
7693         (Object::handle_gnu_warning_section): If the section is empty, use
7694         the name of the section as the warning.
7695
7696 2009-06-23  Ian Lance Taylor  <iant@google.com>
7697
7698         PR 10133
7699         * stringpool.h (class Stringpool_template): Add optimize_ field.
7700         (Stringpool_template::set_optimize): New function.
7701         * stringpool.cc (Stringpool_template::Stringpool_template):
7702         Initialize optimize_ field.
7703         (Stringpool_template::set_string_offsets): Test local optimize
7704         fild rather than parameter.
7705         * layout.cc (Layout::Layout): Call set_optimize on the section
7706         name stringpool.
7707
7708 2009-06-22  Ian Lance Taylor  <iant@google.com>
7709
7710         PR 10030
7711         * yyscript.y: Parse TARGET.
7712         * script.cc (script_set_target): New function.
7713         * script-c.h (script_set_target): Declare.
7714         * options.cc (General_options::string_to_object_format): Rename
7715         from string_to_object_format in anonymous namespace.  Change
7716         callers.
7717         * options.h (class General_options): Declare
7718         string_to_object_format.
7719
7720 2009-06-22  Ian Lance Taylor  <iant@google.com>
7721
7722         * script-sections.cc (Script_sections::create_segments): Don't put
7723         program headers in a PT_LOAD segment if -n or -N.
7724
7725 2009-06-22  Ian Lance Taylor  <iant@google.com>
7726
7727         PR 10141
7728         * options.h (class General_options): Add -z lazy and -z now.  Sort
7729         -z options into alphabetical order.
7730         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7731
7732 2009-06-21  Ian Lance Taylor  <iant@google.com>
7733
7734         * layout.cc (Layout::make_output_section): Call
7735         Target::new_output_section.
7736         (Layout::attach_allocated_section_to_segment): Put large section
7737         sections in a separate load segment with the large segment flag
7738         set.
7739         (Layout::segment_precedes): Sort large data segments after other
7740         load segments.
7741         (align_file_offset): New static function.
7742         (Layout::set_segment_offsets): Use align_file_offset.
7743         * output.h (class Output_section): Add is_small_section_ and
7744         is_large_section_ fields.
7745         (Output_section::is_small_section): New function.
7746         (Output_section::set_is_small_section):  New function.
7747         (Output_section::is_large_section): New function.
7748         (Output_section::set_is_large_section): New function.
7749         (Output_section::is_large_data_section): New function.
7750         (class Output_segment): Add is_large_data_segment_ field.
7751         (Output_segment::is_large_data_segment): New function.
7752         (Output_segment::set_is_large_data_segment): New function.
7753         * output.cc (Output_section::Output_section): Initialize new
7754         fields.
7755         (Output_segment::Output_segment): Likewise.
7756         (Output_segment::add_output_section): Add assertion that large
7757         data sections always go in large data segments.  Force small data
7758         sections to the end of the list of data sections.  Force small BSS
7759         sections to the start of the list of BSS sections.  For large BSS
7760         sections to the end of the list of BSS sections.
7761         * symtab.h (class Symbol): Declare is_common_shndx.
7762         (Symbol::is_defined): Check Symbol::is_common_shndx.
7763         (Symbol::is_common): Likewise.
7764         (class Symbol_table): Define enum Commons_section_type.  Update
7765         declarations.  Add small_commons_ and large_commons_ fields.
7766         * symtab.cc (Symbol::is_common_shndx): New function.
7767         (Symbol_table::Symbol_table): Initialize new fields.
7768         (Symbol_table::add_from_object): Put small and large common
7769         symbols in the right list.
7770         (Symbol_table::sized_finalized_symbol): Check
7771         Symbol::is_common_shndx.
7772         (Symbol_table::sized_write_globals): Likewise.
7773         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7774         common symbol lists.  Don't call do_allocate_commons_list if the
7775         list is empty.
7776         (Symbol_table::do_allocate_commons_list): Remove is_tls
7777         parameter.  Add comons_section_type parameter.  Change all
7778         callers.  Handle small and large common symbols.
7779         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7780         Symbol::is_common_shndx.
7781         * resolve.cc (symbol_to_bits): Likewise.
7782         * target.h (Target::small_common_shndx): New function.
7783         (Target::small_common_section_flags): New function.
7784         (Target::large_common_shndx): New function.
7785         (Target::large_common_section_flags): New function.
7786         (Target::new_output_section): New function.
7787         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7788         small_common_section_flags, and large_common_section_flags
7789         fields.
7790         (Target::do_new_output_section): New virtual function.
7791         * arm.cc (Target_arm::arm_info): Initialize new fields.
7792         * i386.cc (Target_i386::i386_info): Likewise.
7793         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7794         Likewise.
7795         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7796         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7797         (Target_x86_64::do_new_output_section): New function.
7798         * configure.ac: Define conditional MCMODEL_MEDIUM.
7799         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7800         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7801         (large_LDFLAGS): Define.
7802         * testsuite/large.c: New file.
7803         * testsuite/testfile.cc (Target_test::test_target_info):
7804         Initialize new fields.
7805         * configure, testsuite/Makefile.in: Rebuild.
7806
7807 2009-06-05  Doug Kwan  <dougkwan@google.com>
7808
7809         * Makefile.am (CCFILES): Add target.cc.
7810         * Makefile.in: Regenerate.
7811         * i386.cc (class Target_i386): Define new virtual method to
7812         override do_is_local_label_name in parent.
7813         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7814         local symbols if --discard-locals or -X is given.
7815         * options.h (class General_options): Declare new options
7816         '--discard-locals' and '-X' for discarding locals.
7817         * target.h (class Target): Define new methods is_local_label_name.
7818         Declare new virtual method do_is_local_label_name.
7819         * target.cc: New file.
7820         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7821         (check_SCRIPTS): Add discard_locals_test.sh.
7822         (check_DATA): Add discard_local_tests.syms.
7823         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7824         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7825         * testsuite/Makefile.in: Regenerate.
7826         * testsuite/discard_locals_test.c: New file.
7827         * testsuite/discard_locals_test.sh: Same.
7828
7829 2009-06-05  Doug Kwan  <dougkwan@google.com>
7830
7831         * object.cc (Sized_relobj::Sized_relobj): Initialize
7832         discarded_eh_frame_shndx_ to -1U.
7833         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7834         section.
7835         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7836         a discarded .eh_frame section.
7837         (Sized_relobj::do_finalize_local_symbols): Ditto.
7838         * object.h (class Sized_relobj): Declare new member
7839         discarded_eh_frame_shndx_.
7840         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7841         (local_labels_test.o, local_labels_test): New rules.
7842         * testsuite/Makefile.in: Regenerate.
7843
7844 2009-06-04  Doug Kwan  <dougkwan@google.com>
7845
7846         * layout.cc (Layout::section_name_mapping): Add mapping for
7847         special ARM sections.
7848
7849 2009-06-03  Doug Kwan  <dougkwan@google.com>
7850
7851         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7852         (utils::has_overflow): Same.
7853
7854 2009-06-03  Ian Lance Taylor  <iant@google.com>
7855
7856         * layout.cc (Layout::section_name_mapping): New array, replacing
7857         Layout::linkonce_mapping.
7858         (Layout::section_name_mapping_count): New variable, replacing
7859         Layout::linkonce_mapping_count.
7860         (Layout::linkonce_output_name): Remove.
7861         (Layout::output_section_name): Rewrite.
7862         * layout.h (class Layout): Rename Linkonce_mapping to
7863         Section_name_mapping, linkonce_mapping to section_name_mapping,
7864         linkonce_mapping_count to section_name_mapping_count.  Don't
7865         declare linkonce_output_name.
7866
7867 2009-06-03  Doug Kwan  <dougkwan@google.com>
7868
7869         * gold/arm.cc (namespace utils): New.
7870         (Target_arm::reloc_is_non_pic): Define new method.
7871         (class Arm_relocate_functions): New.
7872         (Target_arm::Relocate::relocate): Handle relocation types used by
7873         Android.
7874
7875 2009-06-03  Ian Lance Taylor  <iant@google.com>
7876
7877         * arm.cc (Target_arm::scan::global): Use || instead of |.
7878
7879 2009-06-02  Doug Kwan  <dougkwan@google.com>
7880
7881         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7882         issued_non_pic_error_.
7883         (class Target_arm::Scan): Declare new method check_non_pic.
7884         Define new method symbol_needs_plt_entry.
7885         Declare new data member issued_non_pic_error_.
7886         (class Target_arm::Relocate): Declare new method
7887         should_apply_static_reloc.
7888         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7889         (Target_arm::Scan::check_non_pic): Define new method.
7890         (Target_arm::Scan::local): Handle a small subset of reloc types used
7891         by Android.
7892         (Target_arm::Scan::local): Same.
7893         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7894
7895 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7896
7897         * incremental.cc (Incremental_inputs::report_command_line): Filter
7898         out --incremental-* options.
7899
7900 2009-05-29  Doug Kwan  <dougkwan@google.com>
7901
7902         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7903         template class.
7904         (class Target_arm): Update comment.
7905         (Target_arm::Target_arm): Initialize new data members GOT_,
7906         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7907         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7908         and Target_arm::rel_dyn_section.
7909         Declare new_enum Target_arm::Got_type.
7910         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7911         and DYNBSS_.
7912         Update commments for member do_dynsym_value.
7913         (Target_arm::got_size, Target_arm::plt_section,
7914         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7915         new methods inside class defintion.
7916         (Target_arm::got_section): Define new method.
7917         (Target_arm::rel_dyn_section): Same.
7918         (Output_data_plt_arm): New template class.
7919         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7920         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7921         (Output_data_plt_arm::add_entry): Same.
7922         (Output_data_plt_arm::first_plt_entry): Define new
7923         static data member for PLT instruction template.
7924         (Output_data_plt_arm::plt_entry): Same.
7925         (Output_data_plt_arm::do_write): Define new method.
7926         (Target_arm::make_plt_entry): Same.
7927         (Target_arm::do_finalize_sections): Same.
7928         (Target_arm::do_dynsym_value): Same.
7929
7930 2009-05-28  Doug Kwan  <dougkwan@google.com>
7931
7932         * Makefile.am (TARGETSOURCES): Add arm.cc.
7933         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7934         * Makefile.in: Regenerate.
7935         * arm.cc: New file.
7936         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7937
7938 2009-05-26  Doug Kwan  <dougkwan@google.com>
7939
7940         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7941         (General_options::check_excluded_libs): Strip off directories in
7942         archive name before matching like GNU ld does.
7943         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7944         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7945         (exclude_libs_test_LDFLAGS): Add linker option
7946         -Wl,--exclude-libs,libexclude_libs_test_3
7947         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7948         an explicit archive without using -l.
7949         (alt/libexclude_libs_test_3.a): New make rule.
7950         * testsuite/Makefile.in: Regenerate.
7951         * testsuite/exclude_libs_test.c : Declare lib3_default().
7952         (main): Call it.
7953         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7954         * exclude_libs_test_3.c: New file.
7955
7956 2009-05-26  Nick Clifton  <nickc@redhat.com>
7957
7958         * po/id.po: New Indonesian translation.
7959         * po/gold.pot: Updated template file.
7960
7961 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7962
7963         * testsuite/Makefile.am: Add -ffunction-sections to compile
7964         gc_comdat_test files.  Add -Wl,--gc-sections to build
7965         gc_comdat_test.
7966         * testsuite/Makefile.in: Regenerate.
7967         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7968
7969 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7970
7971         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7972         kept comdat section was garbage collected.
7973         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7974         * testsuite/Makefile.in: Regenerate.
7975         * testsuite/gc_comdat_test.sh: New file.
7976         * testsuite/gc_comdat_test_1.cc: New file.
7977         * testsuite/gc_comdat_test_2.cc: New file.
7978
7979 2009-05-19  Doug Kwan  <dougkwan@google.com>
7980
7981         * archive.cc (Archive::Archive): Move constructor from archive.h
7982         to here.  Initialize no_export_.
7983         (Archive::get_elf_object_for_member): Set no_export flag of object.
7984         * archive.h (Archive::Archive): Move constructor body to
7985         archive.cc.
7986         (Archive::no_export): New method.
7987         (Archive::no_export_): New field.
7988         * object.h (Object::Object): Initialize no_export_ to false.
7989         (Object::no_export, Object::set_no_export): New methods.
7990         (Object::no_export_): New field.
7991         * options.cc (General_options::parse_exclude_libs): New method.
7992         (General_options::check_excluded_libs) Same.
7993         * options.h (exclude_libs): New option.
7994         (General_options::check_excluded_libs): New method declaration.
7995         (General_options::excluded_libs_): New field.
7996         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7997         default or protected visibility if an object has no-export flag set.
7998         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7999         (check_SCRIPTS): Add exclude_libs_test.sh.
8000         (check_DATA): Add exclude_libs_test.syms.
8001         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8002         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8003         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8004         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8005         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8006         libexclude_libs_test_2.a): New rules.
8007         * testsuite/Makefile.in: Regenerate.
8008         * testsuite/exclude_libs_test.c: New file.
8009         * testsuite/exclude_libs_test.sh: Ditto.
8010         * testsuite/exclude_libs_test_1.c: Ditto.
8011         * testsuite/exclude_libs_test_2.c: Ditto.
8012
8013 2009-05-15  Ian Lance Taylor  <iant@google.com>
8014
8015         * configure.ac: Check for declarations for cases where libiberty.h
8016         checks HAVE_DECL_xxx.
8017         * configure, config.in: Rebuild.
8018
8019 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8020
8021         * gold.h (Incremental_argument_list): Remove (invalid) forward
8022         declaration.
8023         * incremental.cc (Incremental_inputs::report_achive): New method.
8024         (Incremental_inputs::report_object): New method.
8025         (Incremental_inputs::report_script): New method.
8026         (Incremental_inputs::finalize_inputs): New method.
8027         (Incremental_inputs::finalize): Call finalize_inputs().
8028         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8029         Create inputs entries.
8030         * incremental.h (Incremental_input_type): New enum.
8031         (Incremental_inputs::Incremental_input): Initialize new fields.
8032         (Incremental_inputs::report_inputs): New method.
8033         (Incremental_inputs::report_achive): New method.
8034         (Incremental_inputs::report_object): New method.
8035         (Incremental_inputs::report_script): New method.
8036         (Incremental_inputs::finalize_inputs): New method.
8037         (Incremental_inputs::Input_info): New struct.
8038         (Incremental_inputs::Input_info_map): New typedef.
8039         (Incremental_inputs::lock_): New field.
8040         (Incremental_inputs::Inputs_): New field.
8041         (Incremental_inputs::Inputs_map): New field.
8042         * main.cc (main): Call Incremental_input::report_inputs.
8043         * options.h (Input_argument_list): Typedef moved from
8044         Input_arguments.
8045         (Input_file_group::Files): Remove, use ::Input_argument_list.
8046         (Input_file_group::Input_argument_list): Remove, use
8047         ::Input_argument_list.
8048         * plugin.cc (Plugin_manager::add_input_file): Add error in
8049         incremental build.
8050         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8051         functions.
8052         * script.cc (read_input_script): Call
8053         Incremental_input::report_script.
8054         * script.h (Script_info): New class.
8055
8056 2009-04-27  Ian Lance Taylor  <iant@google.com>
8057
8058         * x86_64.cc (do_adjust_output_section): Set entsize to
8059         plt_entry_size.
8060
8061 2009-04-23  Elliott Hughes  <enh@google.com>
8062
8063         * output.cc (Output_file::close): After short writes, continue
8064         writing from the correct offset in the buffer being written.
8065
8066 2009-04-23  Chris Demetriou  <cgd@google.com>
8067
8068         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8069         * configure: Regenerate.
8070         * config.in: Regenerate.
8071         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8072         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8073
8074 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8075
8076         * incremental.cc (Incremental_inputs_header_data): Renamed from
8077         Incremental_input_header_data.
8078         (Incremental_inputs_header_data::data_size): New field.
8079         (Incremental_inputs_header_data::put_input_file_count): Renamed
8080         from input_file_count.
8081         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8082         from command_line_offset.
8083         (Incremental_inputs_header_data::put_reserved): Renamed from
8084         put_reserved.
8085         (Incremental_inputs_entry_data): Renamed from
8086         Incremental_input_entry_data.
8087         (Incremental_inputs_entry_data::data_size): New field.
8088         (Incremental_inputs::report_command_line): New method.
8089         (Incremental_inputs::finalize): New method.
8090         (Incremental_inputs::create_incremental_inputs_data): New method.
8091         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8092         * incremental.h: New file.
8093         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8094        (Layout::finalize): Create incremental inputs section in
8095         incremental builds.
8096        (Layout::create_incremental_info_sections): New method.
8097         * layout.h (Layout::incremental_inputs): New method.
8098        (Layout::create_incremental_info_sections): New method.
8099        (Layout::incremental_inputs_): New field.
8100         * main.cc (main): Notify Incremental_input of the command line.
8101
8102 2009-04-01  Ian Lance Taylor  <iant@google.com>
8103             Mikolaj Zalewski  <mikolajz@google.com>
8104
8105         * gold.h (reserve_unordered_map): Define, three versions, one for
8106         each version of Unordered_map.
8107         * layout.cc (Layout::Layout): Remove options parameter.  Add
8108         number_of_input_files parameter.  Don't initialize options_.
8109         Initialize number_of_input_files_ and resized_signatures_.  Move
8110         sections_are_attached_.
8111         (Layout::layout_group): Reserve space for group_signatures_.
8112         (Layout::find_or_add_kept_section): Change name parameter to be a
8113         reference.  Resize signatures_ map when it gets large enough.
8114         (Layout::layout_eh_frame): Use parameters->options() instead of
8115         this->options_.
8116         (Layout::make_output_section): Likewise.
8117         (Layout::attach_allocated_section_to_segment): Likewise.
8118         (Layout::finalize, Layout::create_executable_stack): Likewise.
8119         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8120         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8121         * layout.h (class Layout): Update declarations.  Remove options_
8122         field.  Add number_of_input_files_ and resized_signatures_
8123         fields.  Move sections_are_attached_ field.
8124         * main.cc (main): Pass number of input files to Layout
8125         constructor.  Don't pass options.
8126
8127 2009-03-30  Ian Lance Taylor  <iant@google.com>
8128
8129         * ffsll.c (ffsll): Correct implementation.
8130
8131 2009-03-27  Ian Lance Taylor  <iant@google.com>
8132
8133         * ffsll.c: New file.
8134         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8135         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8136         * ftruncate.c (ftruncate): Declare before definition.
8137         * mremap.c (mremap): Likewise.
8138         * pread.c (pread): Likewise.
8139         * configure, Makefile.in, config.in: Rebuild.
8140
8141         * mremap.c: New file.
8142         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8143         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8144         (mremap): Declare if HAVE_MREMAP is not defined.
8145         * configure, Makefile.in, config.in: Rebuild.
8146
8147 2009-03-27  Cary Coutant  <ccoutant@google.com>
8148
8149         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8150         position independent.
8151         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8152         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8153
8154 2009-03-24  Cary Coutant  <ccoutant@google.com>
8155
8156         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8157         an executable.
8158         (needs_dynamic_reloc): Likewise.
8159
8160 2009-03-24  Ian Lance Taylor  <iant@google.com>
8161
8162         * yyscript.y (file_cmd): Recognize EXTERN.
8163         (extern_name_list, extern_name_list_body): New nonterminals.
8164         * script.cc (script_add_extern): Define.
8165         * script-c.h (script_add_extern): Declare.
8166
8167 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8168
8169         * object.cc (is_elf_object): Define.
8170         * object.h (is_elf_object): Declare.
8171         * archive.cc (Archive::get_elf_object_for_member): Call
8172         is_elf_object.
8173         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8174
8175 2009-03-24  Elliott Hughes  <enh@google.com>
8176
8177         * output.cc (Output_file::map_anonymous): Define.
8178         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8179         try an anonymous one.  Report the size if the mmap fails.
8180         * output.h (class Output_file): Declare map_anonymous.
8181
8182 2009-03-24  Ian Lance Taylor  <iant@google.com>
8183
8184         * target-select.cc (instantiate_target): Don't acquire the lock if
8185         the instantiated_target_ field has already been set.
8186
8187 2009-03-23  Ian Lance Taylor  <iant@google.com>
8188
8189         * gold-threads.h (class Initialize_lock): Define.
8190         * gold-threads.cc (class Initialize_lock_once): Define.
8191         (initialize_lock_control): New static variable.
8192         (initialize_lock_pointer): New static variable.
8193         (initialize_lock_once): New static function.
8194         (Initialize_lock::Initialize_lock): Define.
8195         (Initialize_lock::initialize): Define.
8196         * target-select.h: Include "gold-threads.h".
8197         (class Target_selector): Add lock_ and initialize_lock_ fields.
8198         Don't define instantiate_target, just declare it.
8199         * target-select.cc (Target_selector::Target_selector): Initialize
8200         new fields.
8201         (Target_selector::instantiate_target): Define.
8202         * descriptors.h: Include "gold-threads.h".
8203         (class Descriptors): Add initialize_lock_ field.
8204         * descriptors.cc (Descriptors::Descriptors): Initialize new
8205         field.
8206         (Descriptors::open): Use initialize_lock_ field
8207         * errors.h (class Errors): Add initialize_lock_ field.
8208         * errors.cc (Errors::Errors): Initialize new field.
8209         (Errors::initialize_lock): Use initialize_lock_ field.
8210         * powerpc.cc (class Target_selector_powerpc): Remove
8211         instantiated_target_ field.  In do_recognize call
8212         instantiate_target rather than do_instantiate_target.  In
8213         do_instantiate_target just allocate a new target.
8214         * sparc.cc (class Target_selector_sparc): Likewise.
8215
8216         * freebsd.h: New file.
8217         * i386.cc: Include "freebsd.h".
8218         (Target_i386): Derive from Target_freebsd rather than
8219         Sized_target.
8220         (Target_selector_i386): Derive from Target_selector_freebsd rather
8221         than Target_selector.
8222         * x86_64.cc: Include "freebsd.h".
8223         (Target_x86_64): Derive from Target_freebsd rather than
8224         Sized_target.
8225         (Target_selector_x86_64): Derive from Target_selector_freebsd
8226         rather than Target_selector.
8227         * target.h (class Target): Add adjust_elf_header and
8228         do_adjust_elf_header.
8229         * output.cc (Output_file_header:: do_sized_write): Call target
8230         adjust_elf_header routine.
8231         * configure.tgt: Set targ_osabi.
8232         * configure.ac: Define GOLD_DEFAULT_OSABI.
8233         * parameters.cc (Parameters::default_target): Pass
8234         GOLD_DEFAULT_OSABI to select_target.
8235         * target-select.h (class Target_selector): Make instantiate_target
8236         protected rather than private.
8237         * Makefile.am (HFILES): Add freebsd.h.
8238         * configure, Makefile.in, config.in: Rebuild.
8239
8240         * merge.cc (do_add_input_section): Correct pend value.  Change
8241         message about last entry not being null terminated from error to
8242         warning.
8243
8244 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8245
8246         * incremental.cc: New file.
8247         * Makefile.am (CCFILES): Add incremental.cc.
8248         * Makefile.in: Rebuild.
8249
8250 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8251
8252         * layout.cc (Layout::output_section_name): Preserve names
8253         of '.note.' sections.
8254
8255 2009-03-19  Ian Lance Taylor  <iant@google.com>
8256
8257         * descriptors.cc (Descriptors::open): Check that the options are
8258         valid before using them.
8259
8260 2009-03-18  Ian Lance Taylor  <iant@google.com>
8261
8262         * script-sections.h: Include <list>.
8263         (class Script_sections): Change Sections_elements from std::vector
8264         to std::list.  Typedef public Elements_iterator.  Add
8265         orphan_section_placement_, data_segment_align_start_, and
8266         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8267         field.
8268         * script-sections.cc (class Orphan_section_placement): New class.
8269         (class Sections_element): Add virtual functions is_relro and
8270         orphan_section_init.  Remove virtual function place_orphan_here.
8271         (class Output_section_definition): Add is_relro and
8272         orphan_section_init.  Remove place_orphan_here.
8273         (class Orphan_output_section): Likewise.
8274         (Script_sections::Script_sections): Update for field changes.
8275         (Script_sections::data_segment_align): Set saw_data_segment_align_
8276         and data_segment_align_start_, not data_segment_align_index.
8277         (Script_sections::data_segment_relro_end): Check
8278         saw_data_segment_align_.  Use data_segment_align_start_ rather
8279         than data_segment_align_index_.
8280         (Script_sections::place_orphan): Rewrite to use
8281         Orphan_section_placement.
8282
8283 2009-03-17  Ian Lance Taylor  <iant@google.com>
8284
8285         * archive.cc (Archive::add_symbols): Check for a version attached
8286         to the symbol name in the archive map.
8287         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8288         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8289         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8290         (ver_test_11.a): New target.
8291         * testsuite/Makefile.in: Rebuild.
8292
8293         * configure.ac: Check for chsize and posix_fallocate.  Replace
8294         ftruncate.
8295         * ftruncate.c: New file, from gnulib.
8296         * output.cc (posix_fallocate): Define dummy version if not
8297         HAVE_POSIX_FALLOCATE.
8298         (Output_file::map): Call posix_fallocate rather than lseek and
8299         write.
8300         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8301         * configure, Makefile.in, config.in: Rebuild.
8302
8303 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8304
8305         * layout.h (Layout::create_note): Add section_name parameter.
8306         * layout.cc (Layout::create_note): Likewise.
8307         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8308
8309 2009-03-17  Ian Lance Taylor  <iant@google.com>
8310
8311         * descriptors.cc: Include "options.h".
8312         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8313         (Descriptors::open): Always use O_CLOEXEC when opening a new
8314         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8315         then set FD_CLOEXEC.
8316
8317         * sparc.cc (class Target_sparc): Add has_got_section.
8318         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8319         make sure we have a GOT section.
8320
8321         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8322         (Target_sparc::Scan::local): Likewise.
8323         (Target_sparc::Scan::global): Likewise.
8324         (Target_sparc::Relocate::relocate): Likewise.
8325         (Target_sparc::Relocate::relocate_tls): Likewise.
8326
8327         * symtab.cc (Symbol_table::define_default_version): New function,
8328         broken out of add_from_object.
8329         (Symbol_table::add_from_object): Call define_default_version.
8330         (Symbol_table::define_special_symbol): Add resolve_oldsym
8331         parameter.  Change all callers.  If the version for a symbol comes
8332         from a version script, resolve it with the symbol with the same
8333         name with no version.  Also add the symbol without a version if
8334         appropriate.
8335         (do_define_in_output_data): If resolving with oldsym, don't delete
8336         sym.
8337         (do_define_in_output_segment): Likewise.
8338         (do_define_as_constant): Likewise.
8339         * symtab.h (class Symbol_table): Update declarations.
8340
8341 2009-03-13  Ian Lance Taylor  <iant@google.com>
8342
8343         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8344         (Read_symbols::requeue): New function.
8345         (Read_symbols::do_read_symbols): If make_elf_object fails because
8346         the target type is not configured, and the file was searched for,
8347         issue a warning and retry with the next directory.
8348         (Add_symbols::run): If the file has an incompatible format, and
8349         it was searched for, requeue the Read_symbols task.  On error,
8350         release the object.
8351         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8352         dirindex parameter to constructor.  Change all callers.  Declare
8353         incompatible_warning and requeue.
8354         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8355         input_argument_ and input_group_ fields.  Add them to
8356         constructor.  Change all callers.
8357         (class Read_script): Add dirindex_ field.  Add it to constructor.
8358         Change all callers.
8359         * archive.cc (Archive::setup): Remove input_objects parameter.
8360         Change all callers.
8361         (Archive::get_file_and_offset): Likewise.
8362         (Archive::read_all_symbols): Likewise.
8363         (Archive::read_symbols): Likewise.
8364         (Archive::get_elf_object_for_member): Remove input_objects
8365         parameter.  Add punconfigured parameter.  Change all callers.
8366         (Archive::add_symbols): Change return type to bool.  Check return
8367         value of include_member.
8368         (Archive::include_all_members): Likewise.
8369         (Archive::include_member): Change return type to bool.  Return
8370         false if first included object has incompatible target.  Set
8371         included_member_ field.
8372         (Add_archive_symbols::run): If add_symbols returns false, requeue
8373         Read_symbols task.
8374         * archive.h (class Archive): Add included_member_ field.
8375         Initialize it in constructor.  Add input_file and searched_for
8376         methods.  Update declarations.
8377         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8378         input_argument_ fields.  Add them to constructor.  Change all
8379         callers.
8380         * script.cc: Include "target-select.h".
8381         (class Parser_closure): Add skip_on_incompatible_target_ and
8382         found_incompatible_target_ fields.  Add
8383         skip_on_incompatible_target parameter to constructor.  Change all
8384         callers.  Add methods skip_on_incompatible_target,
8385         clear_skip_on_incompatible_target, found_incompatible_target, and
8386         set_found_incompatible_target.
8387         (read_input_script): Add dirindex parameter.  Change all callers.
8388         If parser finds an incompatible target, requeue Read_symbols
8389         task.
8390         (script_set_symbol): Clear skip_on_incompatible_target in
8391         closure.
8392         (script_add_assertion, script_parse_option): Likewise.
8393         (script_start_sections, script_add_phdr): Likewise.
8394         (script_check_output_format): New function.
8395         * script.h (read_input_script): Update declaration.
8396         * script-c.h (script_check_output_format): Declare.
8397         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8398         (ignore_cmd): Remove OUTPUT_FORMAT.
8399         * fileread.cc (Input_file::Input_file): Add explicit this.
8400         (Input_file::will_search_for): New function.
8401         (Input_file::open): Add pindex parameter.  Change all callers.
8402         * fileread.h (class Input_file): Add input_file_argument method.
8403         Declare will_search_for.  Update declarations.
8404         * object.cc (make_elf_object): Add punconfigured parameter.
8405         Change all callers.
8406         * object.h (class Object): Make input_file public.  Add
8407         searched_for method.
8408         (make_elf_object): Update declaration.
8409         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8410         restart search.
8411         * dirsearch.h (class Dirsearch): Update declaration.
8412         * options.h (class General_options): Add --warn-search-mismatch.
8413         * parameters.cc (Parameters::is_compatible_target): New function.
8414         * parameters.h (class Parameters): Declare is_compatible_target.
8415         * workqueue.cc (Workqueue::add_blocker): New function.
8416         * workqueue.h (class Workqueue): Declare add_blocker.
8417
8418         * fileread.cc (Input_file::open): Remove options parameter.
8419         Change all callers.
8420         (Input_file::open_binary): Likewise.
8421         * script.cc (read_input_script): Likewise.
8422         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8423         options parameter from constructor.  Change all callers.
8424         (class Read_script): Likewise.
8425         * fileread.h (class Input_file): Update declarations.
8426         * script.h (read_input_script): Update declaration.
8427
8428 2009-03-10  Nick Clifton  <nickc@redhat.com>
8429
8430         * po/es.po: New Spanish translation.
8431
8432 2009-03-06  Cary Coutant  <ccoutant@google.com>
8433
8434         * options.cc (parse_short_option): Keep dash_z from registering itself.
8435
8436 2009-03-03  Ian Lance Taylor  <iant@google.com>
8437
8438         PR 9918
8439         * target-reloc.h (relocate_section): Pass output_section to
8440         relocate.
8441         * i386.cc (Target_i386::should_apply_static_reloc): Add
8442         output_section parameter.  Change all callers.
8443         (Target_i386::Relocate::relocate): Add output_section parameter.
8444         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8445         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8446         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8447         * testsuite/two_file_shared.sh: New script.
8448         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8449         (check_DATA): Add two_file_shared.dbg.
8450         (two_file_shared.dbg): New target.
8451         * testsuite/Makefile.in: Rebuild.
8452
8453 2009-03-01  Ian Lance Taylor  <iant@google.com>
8454
8455         * configure.ac: Check for byteswap.h.
8456         * configure: Rebuild.
8457         * config.in: Rebuild.
8458
8459 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8460
8461         * layout.cc (Layout::find_or_add_kept_section): New function.
8462         (Layout::add_comdat): Removed.
8463         * layout.h (struct Kept_section): Move out of class Layout.
8464         Remove trailing underscores from field names.  Add group_sections
8465         field.  Rename group_ field to is_group.  Change all uses.
8466         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8467         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8468         comdat_groups_ field.
8469         (Sized_relobj::include_section_group): Use
8470         find_or_add_kept_section and Kept_section::group_sections.
8471         (Sized_relobj::include_linkonce_section): Likewise.
8472         * object.cc (class Sized_relobj): Don't define Comdat_group or
8473         Comdat_group_table.  Remove find_comdat_group and
8474         add_comdat_group.  Remove comdat_groups_ field.
8475         * plugin.cc (include_comdat_group): Use
8476         Layout::find_or_add_kept_section.
8477
8478 2009-02-28  Ian Lance Taylor  <iant@google.com>
8479
8480         * README: --gc-sections and map files are now supported.  Document
8481         some build requirements.
8482
8483         PR 6992
8484         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8485         relocatable link set the value of the section symbol to zero.
8486         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8487         relocatable link don't include the section address in the local
8488         symbol value.
8489
8490 2009-02-27  Ian Lance Taylor  <iant@google.com>
8491
8492         PR 6811
8493         * options.h (class Search_directory): Add is_system_directory.
8494         (class General_options): Declare is_in_system_directory.
8495         * options.cc (get_relative_sysroot): Make static.
8496         (get_default_sysroot): Make static.
8497         (General_optoins::is_in_system_directory): New function.
8498         * fileread.cc (Input_file::is_in_system_directory): New function.
8499         * fileread.h (class Input_file): Declare is_in_system_directory.
8500         * object.h (class Object): Add is_in_system_directory.
8501         (class Input_objects): Remove system_library_directory_ field.
8502         * object.cc (Input_objects::add_object): Don't set
8503         system_library_directory_.
8504         (input_objects::found_in_system_library_directory): Remove.
8505         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8506         parameter.  Change all callers.
8507         (Symbol_table::sized_write_globals): Likewise.
8508         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8509         Call Object::is_in_system_directory.
8510         * symtab.h (class Symbol_table): Update declarations.
8511
8512         PR 5990
8513         * descriptors.h (Open_descriptor): Add is_on_stack field.
8514         * descriptors.cc (Descriptors::open): If the descriptor is on the
8515         top of the stack, remove it.  Initialize is_on_stack field.
8516         (Descriptors::release): Only add pod to stack if it is not on the
8517         stack already.
8518         (Descriptors::close_some_descriptor): Clear stack_next and
8519         is_on_stack fields.
8520
8521         PR 7091
8522         * output.cc (Output_section::find_starting_output_address): Rename
8523         from starting_output_address; add PADDR parameter; change return
8524         type.
8525         * output.h (class Output_section): Declare
8526         find_starting_output_address instead of starting_output_address.
8527         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8528         section symbol for which we can't find a merge section.
8529
8530         PR 9836
8531         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8532         hidden or internal, force the symbol to be local.
8533         * resolve.cc (Symbol::override_visibility): Define.
8534         (Symbol::override_base): Use override_visibility.
8535         (Symbol_table::resolve): Likewise.
8536         (Symbol::override_base_with_special): Likewise.
8537         (Symbol_table::override_with_special): If the visibility is hidden
8538         or internal, force the symbol to be local.
8539         * symtab.h (class Symbol): Add set_visibility and
8540         override_visibility.
8541         * testsuite/ver_test_1.sh: New file.
8542         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8543         (check_DATA): Add ver_test_1.syms.
8544         (ver_test_1.syms): New target.
8545         * testsuite/Makefile.in: Rebuild.
8546
8547 2009-02-25  Cary Coutant  <ccoutant@google.com>
8548
8549         * layout.cc (Layout::choose_output_section): Don't rename sections
8550         when using a linker script that has a SECTIONS clause.
8551         * Makefile.in: Regenerate.
8552
8553         * testsuite/Makefile.am (script_test_5.sh): New test case.
8554         * testsuite/Makefile.in: Regenerate.
8555         * testsuite/script_test_5.cc: New file.
8556         * testsuite/script_test_5.sh: New file.
8557         * testsuite/script_test_5.t: New file.
8558
8559 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8560
8561         * archive.cc (Archive::include_member): Update calls to add_symbols.
8562         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8563         the Layout argument.
8564         * dynobj.h (do_add_symbols): Add the Layout argument.
8565         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8566         Layout argument.
8567         * object.h (Object::add_symbols): Add the Layout argument.
8568         (Object::do_add_symbols): Add the Layout argument.
8569         (Sized_relobj::do_add_symbols): Add the Layout argument.
8570         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8571         Unify the two versions.
8572         (Add_plugin_symbols): Remove.
8573         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8574         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8575         (Add_plugin_symbols): Remove.
8576         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8577         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8578         (Add_symbols::run): Make it work with Pulginobj.
8579
8580 2009-02-06  Ian Lance Taylor  <iant@google.com>
8581
8582         * object.cc (Sized_relobj::do_layout): Make info message start
8583         with lower case letter.
8584
8585 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8586
8587         * binary.cc: Fix file comment.
8588
8589         * options.h (enum Incremental_disposition): Define.
8590         (class General_options): Add new options: --incremental,
8591         --incremental_changed, --incremental_unchanged,
8592         --incremental_unknown.  Add incremental_disposition_ and
8593         implicit_incremental_ fields.
8594         (General_options::incremental_disposition): New function.
8595         (class Position_dependent_options): Add incremental_disposition
8596         option.
8597         (Position_dependent_options::copy_from_options): Set incremental
8598         dispositions.
8599         * options.cc (General_options::parse_incremental_changed): New
8600         function.
8601         (General_options::parse_incremental_unchanged): New function.
8602         (General_options::parse_incremental_unknown): New function.
8603         (General_options::General_options): Initialize new fields
8604         incremental_disposition_ and implicit_incremental_.
8605         (General_options::finalize): Check for uasge of --incremental-*
8606         without --incremental.
8607
8608 2009-02-06  Chris Demetriou  <cgd@google.com>
8609
8610         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8611         pointer and to report location as the file name associated with
8612         the symbol.
8613         (gold_undefined_symbol_at_location): New function to replace the
8614         old gold_undefined_symbol functionality.
8615         * target-reloc.h (relocate_section): Update to use
8616         gold_undefined_symbol_at_location.
8617         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8618         Call gold_undefined_symbol function rather than gold_error.
8619         * errors.h (Errors::undefined_symbol): Take location as a
8620         string, rather than calculating it from a relocation.
8621         * errors.cc (Errors::fatal): Print "fatal error:" before the
8622         formatted message.
8623         (Errors::error, Errors::error_at_location): Print "error: "
8624         before the formatted message.
8625         (Errors::undefined_symbol): Take location as a string, rather
8626         than calculating it from a relocation.
8627         (gold_undefined_symbol_at_location): New function akin to
8628         old gold_undefined_symbol, calculates location from relocation.
8629         (gold_undefined_symbol): Change to take only a Symbol pointer
8630         and to report location as the file name associated with the symbol.
8631         * testsuite/debug_msg.sh: Update for changed error messages.
8632         * testsuite/undef_symbol.sh: Likewise.
8633
8634 2009-02-04  Duncan Sands  <baldrick@free.fr>
8635
8636         PR 9812
8637         * reduced_debug_output.h
8638         (Output_reduced_debug_abbrev_section::failed): Use format for
8639         gold_warning.
8640         (Output_reduced_debug_info_section::faild): Likewise.
8641
8642 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8643
8644         * script.cc (Lazy_demangler): New class.
8645         (Version_script_info::get_symbol_version_helper): Demangle a
8646         symbol only once.
8647
8648 2009-01-29  Cary Coutant  <ccoutant@google.com>
8649
8650         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8651         to __tls_get_addr.
8652         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8653
8654 2009-01-28  Ian Lance Taylor  <iant@google.com>
8655
8656         * version.cc (version_string): Bump to 1.9.
8657
8658         * gold.h: Include <cstring> and <stdint.h>.
8659         * version.cc: Include <cstdio>.
8660         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8661         warning.
8662         * reduced_debug_output.cc (insert_into_vector): Rename from
8663         Insert_into_vector; change all callers.  Use Swap_unaligned to
8664         avoid aliasing issue; remove union since it is unnecessary.
8665
8666 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8667
8668         * Makefile.am (CCFILES): Add gc.cc.
8669         (HFILES): Add gc.h.
8670         * Makefile.in: Regenerate.
8671         * gold.cc (Gc_runner): New class.
8672         (queue_initial_tasks): Call garbage collection related tasks
8673         when corresponding options are invoked.
8674         (queue_middle_gc_tasks): New function.
8675         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8676         processed early before laying out sections during garbage collection.
8677         * gold.h (queue_middle_gc_tasks): New function.
8678         (is_prefix_of): Move from "layout.cc".
8679         * i386.cc (Target_i386::gc_process_relocs): New function.
8680         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8681         * main.cc (main): Create object of class "Garbage_collection".
8682         * object.cc (Relobj::copy_symbols_data): New function.
8683         (Relobj::is_section_name_included): New function.
8684         (Sized_relobj::do_layout): Allow this function to be called twice
8685         during garbage collection and defer layout of section during the
8686         first call.
8687         * object.h (Relobj::get_symbols_data): New function.
8688         (Relobj::is_section_name_included): New function.
8689         (Relobj::copy_symbols_data): New function.
8690         (Relobj::set_symbols_data): New function.
8691         (Relobj::get_relocs_data): New function.
8692         (Relobj::set_relocs_data): New function.
8693         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8694         (Relobj::gc_process_relocs): New function.
8695         (Relobj::do_gc_process_relocs): New pure virtual function.
8696         (Relobj::sd_): New data member.
8697         (Sized_relobj::is_output_section_offset_invalid): New function.
8698         (Sized_relobj::do_gc_process_relocs): New function.
8699         * options.h (General_options::gc_sections): Modify to not be a no-op.
8700         (General_options::print_gc_sections): New option.
8701         * plugin.cc (Plugin_finish::run): Remove function call to
8702         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8703         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8704         * reloc.cc (Read_relocs::run): Add task to process relocs and
8705         determine unreferenced sections when doing garbage collection.
8706         (Gc_process_relocs): New class.
8707         (Sized_relobj::do_gc_process_relocs): New function.
8708         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8709         sections that are garbage collected.
8710         * reloc.h (Gc_process_relocs): New class.
8711         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8712         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8713         symbols whose corresponding sections are garbage collected.
8714         (Symbol_table::Symbol_table): Add new parameter for the garbage
8715         collection object.
8716         (Symbol_table::gc_mark_undef_symbols): New function.
8717         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8718         (Symbol_table::gc_mark_dyn_syms): New function.
8719         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8720         as garbage.
8721         (Symbol_table::add_from_object): Likewise.
8722         (Symbol_table::add_from_relobj): When building shared objects, do not
8723         treat externally visible symbols as garbage.
8724         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8725         table information for static and relocatable links.
8726         * symtab.h (Symbol_table::set_gc): New function.
8727         (Symbol_table::gc): New function.
8728         (Symbol_table::gc_mark_undef_symbols): New function.
8729         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8730         (Symbol_table::gc_mark_dyn_syms): New function.
8731         (Symbol_table::gc_): New data member.
8732         * target.h (Sized_target::gc_process_relocs): New pure virtual
8733         function.
8734         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8735         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8736
8737 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8738
8739         * options.h (General_options::gc_sections): Define as a no-op for now.
8740         (General_options::no_keep_memory): Ditto.
8741         (General_options::Bshareable): Define.
8742         * options.cc (General_options::finalize): Honor -Bshareable.
8743
8744 2009-01-20  Andreas Schwab  <schwab@suse.de>
8745
8746         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8747         read the value in the contents, since we don't use it.  Use the
8748         template endianness when writing.
8749         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8750
8751 2009-01-19  Andreas Schwab  <schwab@suse.de>
8752
8753         * configure.tgt (powerpc64-*): Fix targ_obj.
8754
8755 2009-01-15  Ian Lance Taylor  <iant@google.com>
8756
8757         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8758         local symbols when stripping all symbols.
8759
8760 2009-01-14  Cary Coutant  <ccoutant@google.com>
8761
8762         * output.cc (Output_reloc): Add explicit instantiations.
8763
8764 2009-01-14  Cary Coutant  <ccoutant@google.com>
8765
8766         * archive.cc (Archive::get_elf_object_for_member): Remove call
8767         to File_read::claim_for_plugin.
8768         * descriptors.cc (Descriptors::open): Remove reference to
8769         is_claimed.
8770         (Descriptors::claim_for_plugin): Remove.
8771         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8772         (Descriptors::is_claimed): Remove.
8773         (claim_descriptor_for_plugin): Remove.
8774         * fileread.cc (File_read::claim_for_plugin): Remove.
8775         * fileread.h (File_read::claim_for_plugin): Remove.
8776         (File_read::descriptor): Reopen descriptor if necessary.
8777         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8778         (Plugin_manager::all_symbols_read): Add task parameter. Change
8779         all callers.
8780         (Plugin_manager::get_input_file): New function.
8781         (Plugin_manager::release_input_file): New function.
8782         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8783         corresponding data member.
8784         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8785         and pass to base constructor. Change all callers.
8786         (get_input_file, release_input_file): New functions.
8787         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8788         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8789         (Plugin_manager::all_symbols_read): Add task parameter.
8790         (Plugin_manager::get_input_file): New function.
8791         (Plugin_manager::release_input_file): New function.
8792         (Plugin_manager::task_): New data member.
8793         (Pluginobj::Pluginobj): Add filesize parameter.
8794         (Pluginobj::filename): New function.
8795         (Pluginobj::descriptor): New function.
8796         (Pluginobj::filesize): New function.
8797         (Pluginobj::filesize_): New data member.
8798         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8799         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8800         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8801
8802         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8803         with archive libraries.
8804         * testsuite/Makefile.in: Regenerate.
8805         * testsuite/plugin_test.c (struct sym_info): New type.
8806         (get_input_file, release_input_file): New static variables.
8807         (onload): Capture new transfer vector entries.
8808         (claim_file_hook): Stop reading at end of file according to filesize.
8809         Factor out parsing of readelf output into separate function.
8810         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8811         APIs and get the source file name from the symbol table.  Convert
8812         source file name to corresponding object file name.  Print info
8813         message when adding new input files.
8814         (parse_readelf_line): New function.
8815         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8816         * testsuite/plugin_test_2.sh: Likewise.
8817         * testsuite/plugin_test_3.sh: Likewise.
8818         * testsuite/plugin_test_4.sh: New test case.
8819
8820 2009-01-07  Ian Lance Taylor  <iant@google.com>
8821
8822         * version.cc (version_string): Bump to 1.8.
8823
8824 2008-12-23  Cary Coutant  <ccoutant@google.com>
8825
8826         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8827         * plugin.cc (Plugin_manager::finish): Rename as
8828         layout_deferred_objects.  Move cleanup to separate function.
8829         (Plugin_manager::cleanup): New function.
8830         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8831         separately.
8832         * plugin.h (Plugin_manager::finish): Rename as
8833         layout_deferred_objects.
8834         (Plugin_manager::cleanup): New function.
8835         (Plugin_manager::cleanup_done): New field.
8836
8837 2008-12-23  Cary Coutant  <ccoutant@google.com>
8838
8839         * plugin.cc (is_visible_from_outside): New function.
8840         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8841         so we don't return "IR only" status for exported symbols or -r links.
8842
8843         * testsuite/Makefile.am (plugin_test_3): New test case.
8844         * testsuite/Makefile.in: Regenerate.
8845         * testsuite/plugin_test_3.sh: New file.
8846
8847 2008-12-22  Cary Coutant  <ccoutant@google.com>
8848
8849         * object.cc (Sized_relobj::layout_section): New function.
8850         (Sized_relobj::do_layout): Defer layout of input sections until after
8851         plugin has provided replacement files.
8852         (Sized_relobj::do_layout_deferred_sections): New function.
8853         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8854         (Relobj::layout_deferred_sections): New function.
8855         (Relobj::do_layout_deferred_sections): New function.
8856         (Sized_relobj::do_layout_deferred_sections): New function.
8857         (Sized_relobj::layout_section): New function.
8858         (Sized_relobj::Deferred_layout): New structure.
8859         (Sized_relobj::deferred_layout_): New field.
8860         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8861         Change all callers.  Layout deferred sections.
8862         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8863         references.
8864         (Plugin_hook::run): Move code from do_plugin_hook inline.
8865         (Plugin_hook::do_plugin_hook): Remove.
8866         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8867         (Plugin_manager::finish): Renamed, was cleanup.
8868         (Plugin_manager::should_defer_layout): New function.
8869         (Plugin_manager::add_deferred_layout_object): New function.
8870         (Plugin_manager::Deferred_layout_list): New type.
8871         (Plugin_manager::deferred_layout_objects_): New field.
8872         (Plugin_hook::do_plugin_hook): Remove.
8873
8874 2008-12-17  Ian Lance Taylor  <iant@google.com>
8875
8876         * options.h (class General_options): Add --no case for
8877         --export-dynamic.
8878
8879 2008-12-16  Cary Coutant  <ccoutant@google.com>
8880
8881         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8882         vector.
8883         (Plugin_manager::claim_file): Create plugin object even if
8884         plugin did not call the add_symbols callback.
8885         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8886         asking for more symbols than were added.
8887         * testsuite/Makefile.am (plugin_test_1): Add test case with
8888         no global symbols.
8889         (empty.syms): New target.
8890         * testsuite/Makefile.in: Regenerate.
8891         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8892         message. Don't call add_symbols if no globals.
8893         (all_symbols_read_hook): Don't provide replacement for empty
8894         claimed file.
8895
8896 2008-12-12  Ian Lance Taylor  <iant@google.com>
8897
8898         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8899         r_type == 0 for a local symbol with r_sym == 0.
8900         (scan_relocatable_relocs): Pass r_sym to
8901         local_non_section_strategy.
8902         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8903         r_sym parameter.
8904
8905         * configure.ac: Update test for TLS descriptors: they are
8906         supported as of glibc 2.9.
8907         * configure: Rebuild.
8908
8909 2008-12-11  Ian Lance Taylor  <iant@google.com>
8910
8911         PR 7091
8912         * target-reloc.h (Default_scan_relocatable_relocs): For each
8913         function, map r_type == 0 to RELOC_DISCARD.
8914
8915 2008-12-10  Cary Coutant  <ccoutant@google.com>
8916
8917         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8918         object to override a kept COMDAT group from a plugin object.
8919
8920 2008-12-09  Ian Lance Taylor  <iant@google.com>
8921
8922         PR 7088
8923         * yyscript.y (file_cmd): Handle INPUT.
8924
8925         * testsuite/initpri1.c: Change all declarations to be full
8926         prototypes by adding void, to avoid compiler warnings.
8927
8928 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8929
8930         * options.cc (General_options::parse_plugin_opt): New.
8931         (General_options::add_plugin): The argument now is just the filename.
8932         (General_options::add_plugin_option): New.
8933         * options.h (plugin_opt): New.
8934         (add_plugin): Change argument name.
8935         (add_plugin_option): New.
8936         * plugin.cc (Plugin::load): Don't parse the plugin option.
8937         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8938         (Plugin::add_option): New.
8939         (Plugin::args_): Change type.
8940         (Plugin::filename_): New.
8941         (Plugin_manager::add_plugin_option): New.
8942         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8943         * testsuite/Makefile.in: Regenerate.
8944
8945 2008-12-05  Cary Coutant  <ccoutant@google.com>
8946
8947         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8948         Handle --strip-lto-sections option.
8949         * options.h (strip_lto_sections): New option.
8950
8951 2008-12-01  Cary Coutant  <ccoutant@google.com>
8952
8953         * plugin.cc (ld_plugin_message): Change format parameter to const.
8954         Fix mismatch between new[] and delete.
8955
8956 2008-11-14  Cary Coutant  <ccoutant@google.com>
8957
8958         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8959         instead of -1U.
8960
8961 2008-11-05  Craig Silverstein  <csilvers@google.com>
8962
8963         * options.cc (General_options::parse_dynamic_list): New function.
8964         * options.h (General_options): New flags dynamic_list,
8965         dynamic_list_data, dynamic_list_cpp_new, and
8966         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8967         (General_options::in_dynamic_list): New function.
8968         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8969         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8970         (Lex::can_continue_name): Likewise.
8971         (yylex): Likewise.
8972         (read_script_file): New parameter script_options.
8973         (read_dynamic_list): New function.
8974         (Script_options::define_dynamic_list): New function.
8975         (dynamic_list_keyword_parsecodes): New variable.
8976         (dynamic_list_keywords): New variable.
8977         * script.h (Script_options::define_dynamic_list): New function
8978         prototype.
8979         (read_dynamic_list): New function prototype.
8980         * symtab.cc (strprefix): New macro.
8981         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8982         dynamic_list_data, dynamic_list_cpp_new, and
8983         dynamic_list_cpp_typeinfo.
8984         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8985         (dynamic_list_expr): New rule.
8986         (dynamic_list_nodes): Likewise.
8987         (dynamic_list_node): Likewise.
8988         * testsuite/Makefile.am (dynamic_list): New test.
8989         * testsuite/Makefile.in: Regenerated.
8990         * testsuite/dynamic_list.t: New file.
8991         * testsuite/dynamic_list.sh: New file.
8992
8993 2008-11-05  Craig Silverstein  <csilvers@google.com>
8994
8995         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8996         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8997         (t11_last): Likewise.
8998         * testsuite/ver_test_6.c (main): Likewise.
8999
9000 2008-10-07  Cary Coutant  <ccoutant@google.com>
9001
9002         * options.c (General_options::finalize): Add check for -static and
9003         -shared.
9004         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9005         is not empty.
9006
9007 2008-10-02  Cary Coutant  <ccoutant@google.com>
9008
9009         * plugin.cc (make_sized_plugin_object): Fix conditional
9010         compilation to work when not all targets are enabled.
9011
9012 2008-09-29  Cary Coutant  <ccoutant@google.com>
9013
9014         * archive.cc (Archive::get_file_and_offset): Use filename instead
9015         of name to get library path.
9016         (Archive::include_member): Unlock external member of a thin archive.
9017
9018         * testsuite/Makefile.am (TEST_AR): New variable.
9019         (thin_archive_test_1): New test.
9020         (thin_archive_test_2): New test.
9021         * testsuite/Makefile.in: Regenerate.
9022         * testsuite/thin_archive_main.cc: New file.
9023         * testsuite/thin_archive_test_1.cc: New file.
9024         * testsuite/thin_archive_test_2.cc: New file.
9025         * testsuite/thin_archive_test_3.cc: New file.
9026         * testsuite/thin_archive_test_4.cc: New file.
9027
9028 2008-09-29  Cary Coutant  <ccoutant@google.com>
9029
9030         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9031         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9032         instead of -1U.
9033         (Sized_relobj::do_finalize_local_symbols): Likewise.
9034         (Sized_relobj::map_to_kept_section): Likewise.
9035         * object.h (Sized_relobj::invalid_address): New constant.
9036         (Sized_relobj::do_output_section_offset): Check for invalid_address
9037         and return -1ULL.
9038         * output.cc (Output_reloc::local_section_offset): Use constant
9039         invalid_address instead of -1U.
9040         (Output_reloc::get_address): Likewise.
9041         (Output_section::output_address): Change -1U to -1ULL.
9042         * output.h (Output_reloc::invalid_address): New constant.
9043         * reloc.cc (Sized_relobj::write_sections): Use constant
9044         invalid_address instead of -1U.
9045         (Sized_relobj::relocate_sections): Likewise.
9046         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9047         values for merge sections.
9048         * target-reloc.h (relocate_for_relocatable): Use constant
9049         invalid_address instead of -1U.
9050
9051 2008-09-19  Cary Coutant  <ccoutant@google.com>
9052
9053         Add plugin functionality for link-time optimization (LTO).
9054         * configure.ac (plugins): Add --enable-plugins option.
9055         * configure: Regenerate.
9056         * config.in: Regenerate.
9057         * Makefile.am (LIBDL): New variable.
9058         (CCFILES): Add plugin.cc.
9059         (HFILES): Add plugin.h.
9060         (ldadd_var): Add LIBDL.
9061         * Makefile.in: Regenerate.
9062
9063         * archive.cc: Include "plugin.h".
9064         (Archive::setup): Don't preread archive symbols when using a plugin.
9065         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9066         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9067         files.
9068         (Archive::include_member): Add symbols from plugin objects.
9069         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9070         * descriptors.cc (Descriptors::open): Check for file descriptors
9071         abandoned by plugins.
9072         (Descriptors::claim_for_plugin): New function.
9073         * descriptors.h (Descriptors::claim_for_plugin): New function.
9074         (Open_descriptor::is_claimed): New field.
9075         (claim_descriptor_for_plugin): New function.
9076         * fileread.cc (File_read::claim_for_plugin): New function.
9077         * fileread.h (File_read::claim_for_plugin): New function.
9078         (File_read::descriptor): New function.
9079         * gold.cc: Include "plugin.h".
9080         (queue_initial_tasks): Add task to call plugin hooks for generating
9081         new object files.
9082         * main.cc: Include "plugin.h".
9083         (main): Load plugin libraries.
9084         * object.h (Pluginobj): Declare.
9085         (Object::pluginobj): New function.
9086         (Object::do_pluginobj): New function.
9087         (Object::set_target): New function.
9088         * options.cc: Include "plugin.h".
9089         (General_options::parse_plugin): New function.
9090         (General_options::General_options): Initialize plugins_ field.
9091         (General_options::add_plugin): New function.
9092         * options.h (Plugin_manager): Declare.
9093         (General_options): Add --plugin option.
9094         (General_options::has_plugins): New function.
9095         (General_options::plugins): New function.
9096         (General_options::add_plugin): New function.
9097         (General_options::plugins_): New field.
9098         * plugin.cc: New file.
9099         * plugin.h: New file.
9100         * readsyms.cc: Include "plugin.h".
9101         (Read_symbols::do_read_symbols): Check for archive before checking
9102         for ELF file.  Call plugin hooks to claim files.
9103         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9104         from a real object file; force override when processing replacement
9105         files.
9106         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9107         (Symbol::init_base_object): Likewise.
9108         (Symbol::init_base_output_data): Likewise.
9109         (Symbol::init_base_output_segment): Likewise.
9110         (Symbol::init_base_constant): Likewise.
9111         (Symbol::init_base_undefined): Likewise.
9112         (Symbol::output_section): Assert that object is not a plugin.
9113         (Symbol_table::add_from_pluginobj): New function.
9114         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9115         undefined.
9116         (Symbol_table::sized_write_globals): Likewise.
9117         (Symbol_table::add_from_pluginobj): Instantiate template.
9118         * symtab.h (Sized_pluginobj): Declare.
9119         (Symbol::in_real_elf): New function.
9120         (Symbol::set_in_real_elf): New function.
9121         (Symbol::in_real_elf_): New field.
9122         (Symbol_table::add_from_pluginobj): New function.
9123
9124         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9125         (LIBDL): New variable.
9126         (LDADD): Add LIBDL.
9127         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9128         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9129         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9130         (MOSTLYCLEANFILES): Likewise.
9131         * testsuite/Makefile.in: Regenerate.
9132         * testsuite/plugin_test.c: New file.
9133         * testsuite/plugin_test_1.sh: New file.
9134         * testsuite/plugin_test_2.sh: New file.
9135
9136 2008-09-16  Ian Lance Taylor  <iant@google.com>
9137
9138         * target-reloc.h (relocate_section): Check whether a symbol is
9139         defined by the ABI before reporting an undefined symbol error.
9140         * target.h (Target::is_defined_by_abi): Make parameter const.
9141         (Target::do_is_defined_by_abi): Likewise.
9142         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9143         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9144         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9145         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9146         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9147         * testsuite/Makefile.in: Rebuild.
9148
9149         * fileread.cc (make_view): Add casts to avoid warning.
9150
9151 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9152
9153         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9154         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9155
9156 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9157
9158         * options.h (General_options::output_is_executable): New.
9159         (General_options::output_is_pie): New.
9160         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9161         for shared libraries.
9162         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9163
9164 2008-09-11  Chris Demetriou  <cgd@google.com>
9165
9166         * options.h (origin): New -z option.
9167         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9168         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9169         in DT_FLAGS_1.
9170
9171 2008-09-05  Cary Coutant  <ccoutant@google.com>
9172
9173         * fileread.cc (File_read::make_view): Add check for attempt to map
9174         beyond end of file.
9175
9176 2008-09-05  Cary Coutant  <ccoutant@google.com>
9177
9178         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9179         explicit instantiations.
9180
9181 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9182
9183         PR gold/6858
9184         * options.cc (General_options::finalize): Allow undefined symbols
9185         in shlibs if linking -shared.
9186
9187         PR gold/6859
9188         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9189         symbols as not needing a dynsym entry.
9190
9191 2008-08-20  Craig Silverstein  <csilvers@google.com>
9192
9193         * fileread.cc (File_read::open): Do not lock the file unless it
9194         was successfully opened.
9195
9196 2008-08-14  Cary Coutant  <ccoutant@google.com>
9197
9198         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9199         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9200         * testsuite/tls_test.cc (struct int128): 128-bit struct
9201         for testing TLS relocs with non-zero addend.
9202         (v12): New TLS variable.
9203         (t12): New test.
9204         (t_last): Add check for v12.
9205         * testsuite/tls_test.h (t12): New function.
9206         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9207
9208 2008-08-13  Ian Lance Taylor  <iant@google.com>
9209
9210         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9211         set tls_segment_ or relro_segment_.
9212         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9213         when appropriate.
9214         * output.h (Output_section::clear_is_relro): New function.
9215         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9216         sections specially even when output_data_ is empty.
9217         (Output_segment::maximum_alignment): When first section is relro,
9218         only force alignment for PT_LOAD segments.
9219         * script.cc (script_data_segment_align): New function.
9220         (script_data_segment_relro_end): New function.
9221         * script-c.h (script_data_segment_align): Declare.
9222         (script_data_segment_relro_end): Declare.
9223         * script-sections.h (class Script_sections): Declare
9224         data_segment_align and data_segment_relro_end.  Add fields
9225         segment_align_index_ and saw_relro_end_.
9226         * script-sections.cc (class Sections_element): Add set_is_relro
9227         virtual function.  Add new bool* parameter to place_orphan_here.
9228         Add get_output_section virtual function.
9229         (class Output_section_definition): Add set_is_relro.  Add new
9230         bool* parameter to place_orphan_here.  Add get_output_section.
9231         Add is_relro_ field.
9232         (Output_section_definition::Output_section_definition): Initialize
9233         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9234         and is_relro_ fields.
9235         (Output_section_definition::place_orphan_here): Add is_relro
9236         parameter.
9237         (Output_section_definition::set_section_addresses): Set relro for
9238         output section.
9239         (Output_section_definition::alternate_constraint): Likewise.
9240         (class Orphan_output_section): Add new bool* parameter to
9241         place_orphan_here.  Add get_output_section.
9242         (Orphan_output_section::place_orphan_here): Add is_relro
9243         parameter.
9244         (Script_sections::Script_sections): Initialize
9245         data_segment_align_index_ and saw_relro_end_.
9246         (Script_sections::data_segment_align): New function.
9247         (Script_sections::data_segment_relro_end): New function.
9248         (Script_sections::place_orphan): Set or clear is_relro.
9249         (Script_sections::set_section_addresses): Force alignment of first
9250         TLS section.
9251         * yyscript.y (exp): Call script_data_segment_align and
9252         script_data_segment_relro_end.
9253         * testsuite/relro_script_test.t: New file.
9254         * testsuite/relro_test.cc (using_script): Declare.
9255         (t1, t2): Test using_script.
9256         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9257         (relro_script_test_SOURCES): Define.
9258         (relro_script_test_DEPENDENCIES): Define.
9259         (relro_script_test_LDFLAGS): Define.
9260         (relro_script_test_LDADD): Define.
9261         (relro_script_test.so): New target.
9262         * testsuite/Makefile.in: Rebuild.
9263
9264 2008-08-06  Cary Coutant <ccoutant@google.com>
9265
9266         * archive.cc (Archive::total_archives, Archive::total_members)
9267         (Archive::total_members_loaded): New variables.
9268         (Archive::setup): Add parameter.  Add option to preread
9269         archive symbols.
9270         (Archive::read_armap): Add counter.
9271         (Archive::get_file_and_offset): New function.
9272         (Archive::get_elf_object_for_member): New function.
9273         (Archive::read_all_symbols): New function.
9274         (Archive::read_symbols): New function.
9275         (Archive::add_symbols): Add counters.
9276         (Archive::include_all_members): Use armap to find members if it's
9277         already built.
9278         (Archive::include_member): Skip reading symbols if already read.
9279         Factored code into Archive::get_file_and_offset and
9280         Archive::get_elf_object_for_member.  Changed call to
9281         Mapfile::report_include_archive_member.
9282         (Archive::print_stats): New function.
9283         * archive.h: Declare Object and Read_symbols_data classes.
9284         (Archive::Archive): Add initializers for new members.
9285         (Archive::setup): Add parameter.
9286         (Archive::print_stats): New function.
9287         (Archive::total_archives, Archive::total_members)
9288         (Archive::total_members_loaded): New variables.
9289         (Archive::get_file_and_offset): New function.
9290         (Archive::get_elf_object_for_member): New function.
9291         (Archive::read_all_symbols): New function.
9292         (Archive::read_symbols): New function.
9293         (Archive::Archive_member): New class.
9294         (Archive::members_): New member.
9295         (Archive::num_members_): New member.
9296         * main.cc: Include archive.h.
9297         (main): Call Archive::print_stats.
9298         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9299         archive parameter; member_name is now the fully-decorated name.
9300         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9301         * options.h: (General_options): Add --preread-archive-symbols option.
9302         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9303         Archive::setup.
9304
9305 2008-08-04  Ian Lance Taylor  <iant@google.com>
9306
9307         * symtab.h (Symbol::use_plt_offset): New function.
9308         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9309         * powerpc.cc (Relocate::relocate): Likewise.
9310         * sparc.cc (Relocate::relocate): Likewise.
9311         * x86_64.cc (Relocate::relocate): Likewise.
9312         * testsuite/weak_plt.sh: New test.
9313         * testsuite/weak_plt_main.cc: New test.
9314         * testsuite/weak_plt_shared.cc: New test.
9315         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9316         (check_PROGRAMS): Add weak_plt.
9317         (check_DATA): Add weak_plt_shared.so.
9318         (weak_plt_main_pic.o, weak_plt): New targets.
9319         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9320         * testsuite/Makefile.in: Rebuild.
9321
9322         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9323         gcctestdir/ld.
9324         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9325         * testsuite/Makefile.in: Rebuild.
9326
9327 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9328
9329         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9330         * Makefile.in: Regenerate.
9331         * po/POTFILES.in: Regenerate.
9332
9333 2008-07-29  Ian Lance Taylor  <iant@google.com>
9334
9335         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9336         symbols before other symbols.
9337         * testsuite/script_test_2.cc (test_addr): Declare.
9338         (test_addr_alias): Declare.
9339         (main): Check that test_addr and test_addr_alias have the right
9340         values.
9341         * testsuite/script_test_2.t: Define test_addr_alias and
9342         test_addr.
9343
9344 2008-07-24  Ian Lance Taylor  <iant@google.com>
9345
9346         PR 5990
9347         * descriptors.cc: New file.
9348         * descriptors.h: New file.
9349         * gold-threads.h (class Hold_optional_lock): New class.
9350         * fileread.cc: Include "descriptors.h".
9351         (File_read::~File_read): Release descriptor rather than closing
9352         it.
9353         (File_read::open) [file]: Call open_descriptor rather than open.
9354         Set is_descriptor_opened_.
9355         (File_read::open) [memory]: Assert that descriptor is not open.
9356         (File_read::reopen_descriptor): New function.
9357         (File_read::release): Release descriptor.
9358         (File_read::do_read): Make non-const.  Reopen descriptor.
9359         (File_read::read): Make non-const.
9360         (File_read::make_view): Reopen descriptor.
9361         (File_read::do_readv): Likewise.
9362         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9363         Update declarations.
9364         * layout.cc: Include "descriptors.h".
9365         (Layout::create_build_id): Use open_descriptor rather than open.
9366         * output.cc: Include "descriptors.h".
9367         (Output_file::open): Use open_descriptor rather than open.
9368         * archive.cc (Archive::const_iterator): Change Archive to be
9369         non-const.
9370         (Archive::begin, Archive::end): Make non-const.
9371         (Archive::count_members): Likewise.
9372         * archive.h (class Archive): Update declarations.
9373         * object.h (Object::read): Make non-const.
9374         * Makefile.am (CCFILES): Add descriptors.cc.
9375         (HFILES): Add descriptors.h.
9376         * Makefile.in: Rebuild.
9377
9378         PR 6716
9379         * gold.h: Always include <clocale>.  Add Solaris workarounds
9380         following code in binutils/sysdep.h.
9381
9382         PR 6048
9383         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9384         this->eh_frame_hdr_ is NULL before using it.
9385
9386         * dynobj.cc (Versions::Versions): Update comment.
9387
9388         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9389         the base version name.
9390
9391         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9392         array size plus one.
9393         (Stringpool_template::set_string_offsets): Subtract one from key
9394         before using it as an array index.
9395         (Stringpool_template::get_offset_with_length): Likewise.
9396         (Stringpool_template::write_to_buffer): Likewise.
9397         * stringpool.h (Stringpool_template::get_offset_from_key):
9398         Likewise.
9399
9400 2008-07-23  Ian Lance Taylor  <iant@google.com>
9401
9402         PR 6658
9403         * object.h (Merged_symbol_value::value): Do our best to handle a
9404         negative addend.
9405
9406         PR 6647
9407         * script.cc (Version_script_info::get_versions): Don't add empty
9408         version tag to return value.
9409         (Version_script_info::get_symbol_version_helper): Change return
9410         type to bool.  Add pversion parameter.  Change all callers.
9411         (script_register_vers_node): Don't require a non-NULL tag.
9412         * script.h (class Version_script_info): Update declarations.
9413         (Version_script_info::get_symbol_version): Change return type to
9414         bool.  Add version parameter.  Change all callers.
9415         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9416         handling.  Handle an empty version from a version script.
9417         (Symbol_table::define_special_symbol): Likewise.
9418         * testsuite/ver_test_10.script: New file.
9419         * testsuite/ver_test_10.sh: New file.
9420         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9421         (check_DATA): Add ver_test_10.syms.
9422         (ver_test_10.syms, ver_test_10.so): New target.
9423         * testsuite/Makefile.in: Rebuild.
9424
9425 2008-07-23  Simon Baldwin  <simonb@google.com>
9426
9427         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9428         to zero for undefined symbols from dynamic libraries.
9429
9430 2008-07-23  Ian Lance Taylor  <iant@google.com>
9431
9432         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9433         Change all callers.
9434         * symtab.h (class Symbol_table): Update declaration.
9435         * testsuite/ver_test_9.cc: New file.
9436         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9437         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9438         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9439         (ver_test_9.so, ver_test_9.o): New targets.
9440         * testsuite/Makefile.in: Rebuild.
9441
9442 2008-07-22  Ian Lance Taylor  <iant@google.com>
9443
9444         * options.h (class General_options): Define --check-sections.
9445         * layout.cc (Layout::set_segment_offsets): Handle
9446         --check-sections.
9447
9448         * options.h (class General_options): Define -n/--nmagic and
9449         -N/--omagic.
9450         * options.cc (General_options::finalize): For -n/--nmagic or
9451         -N/--omagic, set -static.
9452         * layout.cc (Layout::attach_allocated_section_to_segment): If
9453         -N/--omagic, don't put read-only and read-write sections in
9454         different segments.
9455         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9456         finding a read-only segment.
9457         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9458         don't set the minimum segment alignment to the common page size,
9459         and don't set the file offset to the address modulo the page size.
9460         * script-sections.cc (Script_sections::create_segments): If
9461         -n/--omagic, don't put read-only and read-write sections in
9462         different segments.
9463
9464         * cref.cc: New file.
9465         * cref.h: New file.
9466         * options.h (class General_options): Add --print-symbol-counts.
9467         * main.cc (main): Issue defined symbol report if requested.
9468         * archive.cc (Archive::interpret_header): Make into a const member
9469         function.
9470         (Archive::add_symbols): Call Input_objects::archive_start and
9471         archive_stop.
9472         (Archive::const_iterator): Define new class.
9473         (Archive::begin, Archive::end): New functions.
9474         (Archive::include_all_members): Rewrite to use iterator.
9475         (Archive::count_members): New function.
9476         * archive.h (class Archive): Update declarations.
9477         (Archive::filename): New function.
9478         * object.cc: Include "cref.h".
9479         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9480         (Sized_relobj::do_get_global_symbol_counts): New function.
9481         (Input_objects::add_object): Add object to cross-referencer.
9482         (Input_objects::archive_start): New function.
9483         (Input_objects::archive_stop): New function.
9484         (Input_objects::print_symbol_counts): New function.
9485         * object.h: Declare Cref and Archive.
9486         (Object::get_global_symbol_counts): New function.
9487         (Object::do_get_global_symbol_counts): New pure virtual function.
9488         (class Sized_relobj): Add defined_count_ field.  Update
9489         declarations.
9490         (class Input_objects): Add cref_ field.  Update constructor.
9491         Update declarations.
9492         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9493         defined_count_.
9494         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9495         symbol counts.
9496         (Sized_dynobj::do_get_global_symbol_counts): New function.
9497         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9498         defined_count_.  Update declarations.  Define Symbols typedef.
9499         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9500         parameter.  Change all callers.
9501         (Symbol_table::add_from_dynobj): Add sympointers and defined
9502         parameters.  Change all callers.
9503         * symtab.h (class Symbol_table): Update declarations.
9504         * Makefile.am (CCFILES): Add cref.cc.
9505         (HFILES): Add cref.h.
9506         * Makefile.in: Rebuild.
9507
9508 2008-07-22  Simon Baldwin  <simonb@google.com>
9509
9510         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9511         to zero when writing undefined symbols.
9512
9513 2008-07-22  Ian Lance Taylor  <iant@google.com>
9514
9515         * output.cc (Output_section::add_input_section): Don't try to
9516         merge empty merge sections.
9517
9518 2008-07-21  Craig Silverstein  <csilvers@google.com>
9519
9520         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9521         Include symbol version in error message.
9522
9523 2008-07-20  Chris Demetriou  <cgd@google.com>
9524
9525         * configure.ac (gold_cv_c_random_seed): New configured variable.
9526         (RANDOM_SEED_CFLAGS): New substituted variable.
9527         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9528         * configure: Rebuild.
9529         * Makefile.in: Likewise.
9530         * testsuite/Makefile.in: Likewise.
9531
9532 2008-07-18  Ian Lance Taylor  <iant@google.com>
9533
9534         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9535         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9536         * testsuite/ver_test_main.cc (main): Call t4.
9537         (t4, t4_2a): Define.
9538         * testsuite/ver_test_2.cc (t4_2): Define.
9539         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9540         * testsuite/ver_test_4.cc (t4_2a): Define.
9541         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9542         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9543
9544 2008-07-17  Ian Lance Taylor  <iant@google.com>
9545
9546         * dynobj.cc (Versions::add_def): If we give an error about a
9547         missing version, go ahead and create the version anyhow.
9548
9549 2008-07-10  Ian Lance Taylor  <iant@google.com>
9550
9551         Handle output sections with more than 0x7fffffff bytes.
9552         * object.h (class Relobj): Change map_to_output_ to
9553         output_sections_, and just keep a section pointer.  Change all
9554         uses.  Move comdat group support to Sized_relobj.
9555         (Relobj::is_section_specially_mapped): Remove.
9556         (Relobj::output_section): Remove poff parameter.  Change all
9557         callers.
9558         (Relobj::output_section_offset): New function.
9559         (Relobj::set_section_offset): Rewrite.
9560         (Relobj::map_to_output): Remove.
9561         (Relobj::output_sections): New function.
9562         (Relobj::do_output_section_offset): New pure virtual function.
9563         (Relobj::do_set_section_offset): Likewise.
9564         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9565         group support from Relobj.  Update declarations.
9566         (Sized_relobj::get_output_section_offset): New function.
9567         (Sized_relobj::do_output_section_offset): New function.
9568         (Sized_relobj::do_set_section_offset): New function.
9569         * object.cc (Relobj::output_section_address): Remove.
9570         (Sized_relobj::Sized_relobj): Initialize new fields.
9571         (Sized_relobj::include_section_group): Cast find_kept_object to
9572         Sized_relobj.
9573         (Sized_relobj::include_linkonce_section): Likewise.
9574         (Sized_relobj::do_layout): Use separate arrays for output section
9575         and output offset.
9576         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9577         output_sections.
9578         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9579         output_sections and section_offsets.
9580         (Sized_relobj::write_local_symbols): Likewise.
9581         (map_to_kept_section): Compute output address directly.
9582         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9583         output_sections and section_offsets.
9584         (Sized_relobj::write_sections): Likewise.
9585         (Sized_relobj::relocate_sections): Likewise.
9586         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9587         * output.h (class Output_reloc): Update declarations.  Change
9588         u2_.relobj to Sized_relobj*.
9589         (class Output_data_reloc): Change add functions to use
9590         Sized_relobj*.
9591         * output.cc (Output_reloc::Output_reloc): Change relobj to
9592         Sized_relobj*.
9593         (Output_reloc::local_section_offset): Change return type to
9594         Elf_Addr.  Use get_output_section_offset.
9595         (Output_reloc::get_address): Likewise.
9596         (Output_section::is_input_address_mapped): Don't call
9597         is_section_specially_mapped.
9598         (Output_section::output_offset): Likewise.
9599         (Output_section::output_address): Likewise.
9600         (Output_section::starting_output_address): Likewise.
9601         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9602         parameter to Sized_relobj*.
9603         (Copy_relocs::need_copy_reloc): Likewise.
9604         (Copy_relocs::save): Likewise.
9605         * copy-relocs.h (class Copy_relocs): Update declarations.
9606         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9607         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9608         * target-reloc.h (relocate_for_relocatable): Change
9609         offset_in_output_section type to Elf_Addr.  Change code that uses
9610         it as well.
9611         * layout.cc (Layout::layout): Always set *off.
9612         * mapfile.cc (Mapfile::print_input_section): Use
9613         output_section_offset.
9614         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9615         Sized_relobj*.
9616         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9617         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9618         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9619
9620 2008-07-03  Ian Lance Taylor  <iant@google.com>
9621
9622         * layout.cc (Layout::include_section): Do not discard unrecognized
9623         SHT_STRTAB sections.
9624
9625 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9626
9627         * script.cc (Lex::can_continue_name): Make '?' allowable in
9628         version-script names.
9629         * testsuite/version_script.map: Change glob pattern to use '?'
9630
9631 2008-06-30  Manish Singh  <yosh@gimp.org>
9632
9633         PR 6585
9634         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9635         Correct typo.
9636
9637 2008-06-30  Ian Lance Taylor  <iant@google.com>
9638
9639         PR 6660
9640         PR 6682
9641         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9642         versions]: Don't try to read the value in the contents, since we
9643         don't use it.  Use the template endianness when writing.
9644
9645 2008-06-25  Cary Coutant  <ccoutant@google.com>
9646
9647         * fileread.cc (File_read::make_view): Assert on zero-length view.
9648         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9649         symbol table when there are no symbols to read.
9650
9651 2008-06-23  Craig Silverstein  <csilvers@google.com>
9652
9653         * version.cc (version_string): Bump to 1.7
9654
9655 2008-06-18  Craig Silverstein  <csilvers@google.com>
9656
9657         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9658         constant 0xFFFF to type Valtype.
9659         (Powerpc_relocate_functions::rel16_ha): Likewise.
9660
9661 2008-06-17  Ian Lance Taylor  <iant@google.com>
9662
9663         * output.h (Output_section::Input_section): Initialize p2align_ to
9664         zero for Output_section_data constructors.
9665         (Output_section::Input_section::addralign): If not an input
9666         section, return the alignment of the Output_section_data.
9667         * testsuite/copy_test.cc: New file.
9668         * testsuite/copy_test_1.cc: New file.
9669         * testsuite/copy_test_2.cc: New file.
9670         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9671         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9672         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9673         (copy_test_1_pic.o, copy_test_1.so): New targets.
9674         (copy_test_2_pic.o, copy_test_2.so): New targets.
9675         * testsuite/Makefile.in: Rebuild.
9676
9677         * script-sections.cc (Script_sections::place_orphan): Initialize
9678         local variable exact.
9679
9680 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9681
9682         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9683
9684 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9685             David S. Miller  <davem@davemloft.net>
9686
9687         * powerpc.cc: New file.
9688         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9689         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9690         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9691         * Makefile.in: Rebuild.
9692
9693 2008-06-09  Ian Lance Taylor  <iant@google.com>
9694
9695         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9696         <exception>.
9697         (throwing, orig_terminate): New static variables.
9698         (terminate_handler): New static function.
9699         (t2): Set terminate handler.
9700
9701 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9702
9703         PR 6584
9704         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9705         alignment.
9706
9707 2008-05-30  Cary Coutant  <ccoutant@google.com>
9708
9709         * archive.cc (Archive::include_all_members) Correct to step
9710         over symbol table and extended name table in thin archives.
9711
9712 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9713
9714         PR 6407
9715         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9716         calculation.
9717
9718 2008-05-28  Caleb Howe  <cshowe@google.com>
9719
9720         * reduced_debug_output.cc: New file.
9721         * reduced_debug_output.h: New file.
9722         * options.h (class General_options): Add --strip-debug-non-line.
9723         * options.cc (General_options::finalize): Add strip_debug_non_line
9724         to the strip heirarchy.
9725         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9726         fields.
9727         * layout.cc: Include "reduced_debug_output.h".
9728         (Layout::Layout): Initialize new fields.
9729         (line_only_debug_sections): New static array.
9730         (is_lines_only_debug_sections): New static inline function.
9731         (Layout::include_section): Handle --strip-debug-non-line.
9732         (Layout::make_output_section): If --strip-debug-non-line, build
9733         new output sections for .debug_abbrev and .debug_info.
9734         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9735         gold.  Warn about possible overflow.
9736         (read_signed_LEB_128): Likewise.
9737         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9738         (read_signed_LEB_128): Declare.
9739         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9740         (HFILES): Add reduced_debug_output.h.
9741         * Makefile.in: Rebuild.
9742
9743 2008-05-21  Ian Lance Taylor  <iant@google.com>
9744
9745         * mapfile.cc: New file.
9746         * mapfile.h: New file.
9747         * options.h (class General_options): Add -M/--print-map and -Map.
9748         * options.cc (General_options::finalize): Make -M equivalent to
9749         -Map -.
9750         * main.cc: Include <cstdio> and "mapfile.h".
9751         (main): Open mapfile if requested.
9752         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9753         constructor.  Change caller.
9754         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9755         (queue_middle_tasks): Likewise.
9756         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9757         declarations.
9758         * archive.cc: Include "mapfile.h".
9759         (Archive::add_symbols): Add mapfile parameter.  Change all
9760         callers.  Pass mapfile, symbol, and reason to include_member.
9761         (Archive::include_all_members): Add mapfile parameter.  Change all
9762         callers.
9763         (Archive::include_member): Add mapfile, sym, and why parameters.
9764         Change all callers.  Report inclusion to map file.
9765         * archive.h: Include "fileread.h".
9766         (class Archive): Update declarations.
9767         (Archive::file): New const method.
9768         (class Add_archive_symbols): Add mapfile_ field.  Update
9769         constructor.  Change all callers.
9770         * readsyms.h (class Read_symbols): Likewise.
9771         (class Finish_group): Likewise.
9772         (class Read_script): Likewise.
9773         * common.cc: Include "mapfile.h".
9774         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9775         all callers.
9776         (Symbol_table::do_allocate_commons): Likewise.
9777         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9778         symbol allocation to mapfile.
9779         * common.h (class Allocate_commons_task): Add mapfile_ field.
9780         Update constructor.  Change all callers.
9781         * symtab.h (class Symbol_table): Update declarations.
9782         * layout.cc: Include "mapfile.h".
9783         (Layout_task_runner::run): Print information to mapfile.
9784         (Layout::create_gold_note): Change Output_data_fixed_space to
9785         Output_data_zero_fill.
9786         (Layout::create_build_id): Likewise.
9787         (Layout::print_to_mapfile): New function.
9788         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9789         constructor.  Change caller.
9790         (class Layout): Declare print_to_mapfile.
9791         * output.cc (Output_section::Input_section::print_to_mapfile): New
9792         function.
9793         (Output_section::add_input_section): If producing a map, always
9794         add to input_sections_ list.
9795         (Output_section::do_print_to_mapfile): New function.
9796         (Output_segment::print_sections_to_mapfile): New function.
9797         (Output_segment::print_section_list_to_mapfile): New function.
9798         * output.h: Include "mapfile.h".
9799         (Output_data::print_to_mapfile): New function.
9800         (Output_data::do_print_to_mapfile): New virtual function.
9801         (Output_segment_headers::do_print_to_mapfile): New function.
9802         (Output_file_header::do_print_to_mapfile): New function.
9803         (Output_data_const::do_print_to_mapfile): New function.
9804         (class Output_data_const_buffer): Add map_name_ field.  Update
9805         constructor.  Change all callers.  Add do_print_to_mapfile
9806         function.
9807         (class Output_data_fixed_space): Likewise.
9808         (class Output_data_space): Likewise.
9809         (class Output_data_zero_fill): New class.
9810         (Output_data_strtab::do_print_to_mapfile): New function.
9811         (Output_data_reloc_base::do_print_to_mapfile): New function.
9812         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9813         (Output_data_group::do_print_to_mapfile): New function.
9814         (Output_data_got::do_print_to_mapfile): New function.
9815         (Output_data_dynamic::do_print_to_mapfile): New function.
9816         (Output_symtab_xindex::do_print_to_mapfile): New function.
9817         (class Output_section): Declare do_print_to_mapflie.  Declare
9818         print_to_mapfile in Input_section.
9819         (class Output_segment): Declare new functions.
9820         * object.h (Sized_relobj::symbol_count): New function.
9821         * script-sections.cc
9822         (Output_section_element_dot_assignment::set_section_addresses):
9823         Change Output_data_fixed_space to Output_data_zero_fill.
9824         (Output_data_expression::do_print_to_mapfile): New function.
9825         * script.cc (read_input_script): Add mapfile parameter.  Change
9826         all callers.
9827         * script.h (read_input_script): Update declaration.
9828         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9829         (Eh_frame::do_print_to_mapfile): New function.
9830         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9831         (Output_merge_string::do_print_to_mapfile): New function.
9832         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9833         function.
9834         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9835         function.
9836         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9837         function.
9838         * Makefile.am (CCFILES): Add mapfile.cc.
9839         (HFILES): Add mapfile.h.
9840         * Makefile.in: Rebuild.
9841
9842 2008-05-19  Ian Lance Taylor  <iant@google.com>
9843
9844         * options.h (class General_options): Add -z relro.
9845         * layout.cc (Layout::Layout): Initialize relro_segment_.
9846         (Layout::add_output_section_data): Return the output section.
9847         (Layout::make_output_section): Rcognize relro sections and mark
9848         them appropriately.
9849         (Layout::attach_allocated_section_to_segment): Put relro sections
9850         in a PT_GNU_RELRO segment.
9851         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9852         section as relro.
9853         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9854         PT_TLS segments.
9855         (Layout::linkonce_mapping): Map d.rel.ro.local to
9856         .data.rel.ro.local.
9857         (Layout::output_section_name): Us .data.rel.ro.local for any
9858         section which begins with that.
9859         * layout.h (class Layout): Update add_output_section_data
9860         declaration.  Add relro_segment_ field.
9861         * output.cc (Output_section::Output_section): Initialize is_relro_
9862         and is_relro_local_ fields.
9863         (Output_segment::add_output_section): Group relro sections.
9864         (Output_segment::is_first_section_relro): New function.
9865         (Output_segment::maximum_alignment): If there is a relro section,
9866         align the segment to the common page size.
9867         (Output_segment::set_section_addresses): Track whether we are
9868         looking at relro sections.  If the last section is a relro
9869         section, align to the common page size.
9870         (Output_segment::set_section_list_addresses): Add in_relro
9871         parameter.  Change all callers.  Align to the page size when
9872         moving from relro to non-relro section.
9873         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9874         segment.
9875         * output.h (class Output_section): Add is_relro_ and
9876         is_relro_local_ fields.
9877         (Output_section::is_relro): New function.
9878         (Output_section::set_is_relro): New function.
9879         (Output_section::is_relro_local): New function.
9880         (Output_section::set_is_relro_local): New function.
9881         (class Output_segment): Update declarations.
9882         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9883         * sparc.cc (Target_sparc::got_section): Likewise.
9884         * x86_64.cc (Target_x86_64::got_section): Likewise.
9885         * testsuite/relro_test_main.cc: New file.
9886         * testsuite/relro_test.cc: New file.
9887         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9888         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9889         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9890         (relro_test.so, relro_test_pic.o): New targets.
9891         * testsuite/Makefile.in: Rebuild.
9892
9893 2008-05-16  Ian Lance Taylor  <iant@google.com>
9894
9895         * output.cc (Output_segment::add_output_section): Remove front
9896         parameter.
9897         * output.h (class Output_segment): Remove
9898         add_initial_output_section and overloaded add_output_section.
9899         Update declaration of remaining add_output_section.
9900         * layout.cc (Layout::create_interp): Call add_output_section
9901         rather than add_initial_output_section.
9902         (Layout::finish_dynamic_section): Likewise.
9903
9904         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9905         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9906         know the dynamic type.
9907         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9908         field.  Initialize it in constructor.
9909         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9910         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9911         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9912         reloc.
9913
9914         * output.cc (Output_reloc::get_address): Change return type to
9915         Elf_Addr.
9916         * output.h (class Output_reloc): Update get_address declaration.
9917         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9918         for section addresses.
9919
9920 2008-05-09  Ian Lance Taylor  <iant@google.com>
9921
9922         PR 6493
9923         * gold.cc (gold_nomem): Use return value of write.
9924
9925 2008-05-08  Ian Lance Taylor  <iant@google.com>
9926
9927         * symtab.c (Symbol::init_base_output_data): Add version
9928         parameter.  Change all callers.
9929         (Symbol::init_base_output_segment): Likewise.
9930         (Symbol::init_base_constant): Likewise.
9931         (Symbol::init_base_undefined): Likewise.
9932         (Sized_symbol::init_output_data): Likewise.
9933         (Sized_symbol::init_output_segment): Likewise.
9934         (Sized_symbol::init_constant): Likewise.
9935         (Sized_symbol::init_undefined): Likewise.
9936         (Symbol_table::do_define_in_output_data): If the new symbol has a
9937         version, mark it as the default.
9938         (Symbol_table::do_define_in_output_segment): Likewise.
9939         (Symbol_table::do_define_as_constant): Likewise.
9940         * symtab.h (class Symbol): Update declarations.
9941         (class Sized_symbol): Likewise.
9942         * resolve.cc (Symbol::override_version): New function.
9943         (Symbol::override_base): Call override_version.
9944         (Symbol::override_base_with_special): Likewise.
9945         * testsuite/ver_script_8.script: New file.
9946         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9947         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9948         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9949         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9950
9951 2008-05-06  Ian Lance Taylor  <iant@google.com>
9952
9953         PR 6049
9954         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9955         functions.
9956         (class General_options): Remove existing --undefined, and add
9957         --no-undefined instead.  Add new --undefined as synonym for -u.
9958         * archive.cc (Archive::add_symbols): Check whether symbol was
9959         named with -u.
9960         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9961         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9962         all uses.  Add IS_UNDEFINED.  Update declarations to split
9963         different versions of init_base.  Declare init_base_undefined.
9964         (Symbol::is_defined): Handle IS_UNDEFINED.
9965         (Symbol::is_undefined): Likewise.
9966         (Symbol::is_weak_undefined): Call is_undefined.
9967         (Symbol::is_absolute): Handle IS_CONSTANT.
9968         (class Sized_symbol): Update declarations to split different
9969         versions of init.  Declare init_undefined.
9970         (class Symbol_table): Declare new functions.
9971         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9972         Change all callers.
9973         (Symbol::init_base_output_data): Likewise.
9974         (Symbol::init_base_output_segment): Likewise.
9975         (Symbol::init_base_constant): Likewise.
9976         (Symbol::init_base_undefined): New function.
9977         (Sized_symbol::init_object): Rename from init.  Change all
9978         callers.
9979         (Sized_symbol::init_output_data): Likewise.
9980         (Sized_symbol::init_output_segment): Likewise.
9981         (Sized_symbol::init_constant): Likewise.
9982         (Sized_symbol::init_undefined): New function.
9983         (Symbol_table::add_undefined_symbols_from_command_line): New
9984         function.
9985         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9986         function.
9987         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9988         (Symbol::output_section): Likewise.
9989         (Symbol::set_output_section): Likewise.
9990         (Symbol_table::sized_finalize_symbol): Likewise.
9991         (Symbol_table::sized_write_globals): Likewise.
9992         * resolve.cc (Symbol_table::should_override): Likewise.
9993         (Symbol::override_base_with_special): Likewise.
9994
9995         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9996         symbol, change it to have default visibility.
9997         * testsuite/protected_1.cc: New file.
9998         * testsuite/protected_2.cc: New file.
9999         * testsuite/protected_3.cc: New file.
10000         * testsuite/protected_main_1.cc: New file.
10001         * testsuite/protected_main_2.cc: New file.
10002         * testsuite/protected_main_3.cc: New file.
10003         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10004         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10005         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10006         (protected_1.so): New target.
10007         (protected_1_pic.o, protected_2_pic.o): New targets.
10008         (protected_3_pic.o): New target.
10009         (check_PROGRAMS): Add protected_2.
10010         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10011         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10012         * testsuite/Makefile.in: Rebuild.
10013
10014         * options.h (DEFINE_var): Add set_user_set_##varname__.
10015         (DEFINE_bool_alias): New macro.
10016         (class General_options): Define -Bstatic using DEFINE_bool_alias
10017         rather than DEFINE_special.  Add --undefined as an alias for -z
10018         defs.
10019         * options.cc (General_options::parse_Bstatic): Remove.
10020
10021         * options.h (class General_options): Add --fatal-warnings.
10022         * main.cc (main): Implement --fatal-warnings.
10023         * errors.h (Errors::warning_count): New function.
10024
10025         * options.h (class General_options): Add -Bsymbolic-functions.
10026         * symtab.h (Symbol::is_preemptible): Check for
10027         -Bsymbolic-functions.
10028
10029 2008-05-05  Ian Lance Taylor  <iant@google.com>
10030
10031         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10032         as noVARNAME rather than no-VARNAME.
10033         (class General_options): Add option -z combreloc.
10034         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10035         get_address.
10036         (Output_reloc::sort_before) [SHT_REL]: New function.
10037         (Output_reloc::sort_before) [SHT_RELA]: New function.
10038         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10039         Sort_relocs_comparison.
10040         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10041         parameter.  Change all callers.
10042         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10043         sort_relocs parameter.  Change all callers.
10044         * output.cc (Output_reloc::get_address): New function, broken out
10045         of write_rel.
10046         (Output_reloc::write_rel): Call it.
10047         (Output_reloc::compare): New function.
10048         (Output_data_reloc_base::do_write): Optionally sort relocs.
10049
10050         * configure.ac: If targ_extra_obj is set, link it in.
10051         * configure.tgt: Initialize all variables.
10052         (x86_64*): Set targ_extra_obj and targ_extra_size.
10053         * configure: Rebuild.
10054
10055         * object.cc (Sized_relobj::include_section_group): Adjust section
10056         indexes read from group data.  Build vector to pass to
10057         layout_group.
10058         * layout.cc (Layout::layout_group): Add flags and shndxes
10059         parameters.  Remove contents parameter.  Change caller.  Update
10060         explicit instantiations.
10061         * layout.h (class Layout): Update layout_group declaration.
10062         * output.cc (Output_data_group::Output_data_group): Add flags and
10063         input_shndxes parameters.  Remove contents parameter.  Change
10064         caller.
10065         (Output_data_group::do_write): Change input_sections_ to
10066         input_shndxes_.
10067         * output.h (class Output_data_group): Update constructor
10068         declaration.  Rename input_sections_ to input_shndxes_.
10069         * testsuite/many_sections_test.cc: Add template.
10070
10071 2008-04-30  Cary Coutant  <ccoutant@google.com>
10072
10073         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10074
10075         * layout.cc (Layout::include_section): Refactored check for debug
10076         info section.
10077         (Layout::add_comdat): Add new parameters.  Change type
10078         of signature parameter.  Add object and shndx to signatures table.
10079         (Layout::find_kept_object): New function.
10080         * layout.h: Include <cstring>.
10081         (Layout::is_debug_info_section): New function.
10082         (Layout::add_comdat): Add new parameters.
10083         (Layout::find_kept_object): New function.
10084         (Layout::Kept_section): New struct.
10085         (Layout::Signatures): Change type of map range.
10086         * object.cc (Relobj::output_section_address): New function.
10087         (Sized_relobj::include_section_group): Add new parameters.  Change
10088         calls to Layout::add_comdat.  Change to build table of kept comdat
10089         groups and table mapping discarded sections to kept sections.
10090         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10091         (Sized_relobj::do_layout): Change calls to include_section_group and
10092         include_linkonce_section.
10093         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10094         value to zero when section is discarded.
10095         (Sized_relobj::map_to_kept_section): New function.
10096         * object.h (Relobj::output_section_address): New function.
10097         (Relobj::Comdat_group): New type.
10098         (Relobj::find_comdat_group): New function.
10099         (Relobj::Comdat_group_table): New type.
10100         (Relobj::Kept_comdat_section): New type.
10101         (Relobj::Kept_comdat_section_table): New type.
10102         (Relobj::add_comdat_group): New function.
10103         (Relobj::set_kept_comdat_section): New function.
10104         (Relobj::get_kept_comdat_section): New function.
10105         (Relobj::comdat_groups_): New field.
10106         (Relobj::kept_comdat_sections_): New field.
10107         (Symbol_value::input_value): Update comment.
10108         (Sized_relobj::map_to_kept_section) New function.
10109         (Sized_relobj::include_linkonce_section): Add new parameter.
10110         * target-reloc.h (Comdat_behavior): New type.
10111         (get_comdat_behavior): New function.
10112         (relocate_section): Add code to map a discarded section to the
10113         corresponding kept section when applying a relocation.
10114
10115 2008-04-30  Craig Silverstein  <csilvers@google.com>
10116
10117         * dwarf_reader.cc (next_generation_count): New static var.
10118         (Addr2line_cache_entry): New struct.
10119         (addr2line_cache): New static var.
10120         (Dwarf_line_info::one_addr2line): Added caching.
10121         (Dwarf_line_info::clear_addr2line_cache): New function.
10122         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10123         cache-size parameter.
10124         (Dwarf_line_info::one_addr2line_cache): New function.
10125         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10126         new cache-size argument to one_addr2line(), and clear cache.
10127
10128 2008-04-28  Cary Coutant  <ccoutant@google.com>
10129
10130         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10131         R_386_PC8 relocations.
10132
10133 2008-04-23  Ian Lance Taylor  <iant@google.com>
10134
10135         * object.cc (Sized_relobj::include_section_group): Check for
10136         invalid section group.
10137
10138         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10139         header size.
10140
10141         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10142         than read for file header.
10143         * archive.cc (Archive::include_member): Likewise.
10144
10145 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10146
10147         * aclocal.m4: Regenerate.
10148         * configure: Regenerate.
10149
10150 2008-04-19  Ian Lance Taylor  <iant@google.com>
10151
10152         * version.cc (version_string): Bump to 1.6.
10153
10154         * testsuite/Makefile.am (many_sections_r_test): New target.
10155         (many_sections_r_test_SOURCES): Remove.
10156         (many_sections_r_test_DEPENDENCIES): Remove.
10157         (many_sections_r_test_LDFLAGS): Remove.
10158         (many_sections_r_test_LDADD): Remove.
10159
10160         * object.cc (Sized_relobj::do_add_symbols): Always pass
10161         local_symbol_count_ to add_from_relobj.
10162
10163         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10164         every thousand variables.
10165         * testsuite/Makefile.in: Rebuild.
10166
10167         * object.cc (Xindex::initialize_symtab_xindex): New function.
10168         (Xindex::read_symtab_xindex): New function.
10169         (Xindex::sym_xindex_to_shndx): New function.
10170         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10171         available.
10172         (Sized_relobj::do_initialize_xindex): New function.
10173         (Sized_relobj::do_read_symbols): Adjust section links.
10174         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10175         parameter.  Change all callers.
10176         (Sized_relobj::include_section_group): Adjust section links and
10177         symbol section indexes.
10178         (Sized_relobj::do_layout): Adjust section links.
10179         (Sized_relobj::do_count_local_symbols): Adjust section links and
10180         symbol section indexes.
10181         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10182         ordinary and special symbols.
10183         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10184         dynsym_xindex parameters.  Change all callers.  Adjust section
10185         links.  Use SHN_XINDEX when needed.
10186         (Sized_relobj::get_symbol_location_info): Adjust section links.
10187         Don't get fooled by special symbols.
10188         * object.h (class Xindex): Define.
10189         (class Object): Add xindex_ parameter.  Declare virtual functoin
10190         do_initialize_xindex.
10191         (Object::adjust_sym_shndx): New function.
10192         (Object::set_xindex): New protected function.
10193         (class Symbol_value): Add is_ordinary_shndx_ field.
10194         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10195         (Symbol_value::value): Assert ordinary section.
10196         (Symbol_value::initialize_input_to_output_map): Likewise.
10197         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10198         Change all callers.
10199         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10200         all callers.
10201         (class Sized_relobj): Update declarations.
10202         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10203         parameter.  Change all callers.
10204         (Sized_relobj::adjust_shndx): New function.
10205         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10206         field.
10207         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10208         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10209         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10210         (Sized_dynobj::read_dynsym_section): Adjust section links.
10211         (Sized_dynobj::read_dynamic): Likewise.
10212         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10213         section links.
10214         (Sized_dynobj::do_initialize_xindex): New function.
10215         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10216         do_initialize_xindex.
10217         (Sized_dynobj::adjust_shndx): New function.
10218         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10219         dynsym_xindex_ fields.
10220         (Layout::finalize): Add a call to set_section_indexes before
10221         creating the symtab sections.
10222         (Layout::set_section_indexes): Don't do anything if the section
10223         already has a section index.
10224         (Layout::create_symtab_sections): Add shnum parameter.  Change
10225         caller.  Create .symtab_shndx section if needed.
10226         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10227         caller.
10228         (Layout::allocated_output_section_count): New function.
10229         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10230         needed.
10231         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10232         fields.  Update declarations.
10233         (Layout::symtab_xindex): New function.
10234         (Layout::dynsym_xindex): New function.
10235         (class Write_symbols_task): Add layout_ field.
10236         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10237         Change caller.
10238         * output.cc (Output_section_headers::Output_section_headers): Add
10239         shstrtab_section parameter.  Change all callers.
10240         (Output_section_headers::do_sized_write): Store overflow values
10241         for section count and section string table section index in
10242         section header zero.
10243         (Output_file_header::do_sized_write): Check for overflow of
10244         section count and section string table section index.
10245         (Output_symtab_xindex::do_write): New function.
10246         (Output_symtab_xindex::endian_do_write): New function.
10247         * output.h (class Output_section_headers): Add shstrtab_section_.
10248         Update declarations.
10249         (class Output_symtab_xindex): Define.
10250         (Output_section::has_out_shndx): New function.
10251         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10252         field.
10253         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10254         Change all callers.
10255         (Sized_symbol::init): Likewise.
10256         (Symbol::output_section): Check for ordinary symbol.
10257         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10258         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10259         callers.
10260         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10261         Change all callers.  Simplify handling of symbols from sections
10262         not included in the link.
10263         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10264         distinction.
10265         (Weak_alias_sorter::operator()): Assert that symbols are
10266         ordinary.
10267         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10268         distinction.
10269         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10270         parameters.  Change all callers.
10271         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10272         symbol distinction.  Use SHN_XINDEX when needed.
10273         (Symbol_table::write_section_symbol): Add symtab_xindex
10274         parameter.  Change all callers.
10275         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10276         SHN_XINDEX when needed.
10277         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10278         declarations.
10279         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10280         (Symbol::is_defined): Check is_ordinary.
10281         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10282         (Symbol::is_absolute, Symbol::is_common): Likewise.
10283         (class Sized_symbol): Update declarations.
10284         (class Symbol_table): Update declarations.
10285         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10286         parameters.  Change all callers.
10287         (Sized_symbol::override): Likewise.
10288         (Symbol_table::override): Likewise.
10289         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10290         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10291         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10292         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10293         to be in an ordinary section.
10294         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10295         object and is_ordinary parameters.  Change all callers.
10296         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10297         Change all callers.  Don't add undefined or non-ordinary symbols
10298         to reloc_map_.
10299         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10300         Change all callers.
10301         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10302         declarations.
10303         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10304         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10305         (Sized_relobj::relocate_sections): Likewise.
10306         * target-reloc.h (scan_relocs): Adjust section symbol index.
10307         (scan_relocatable_relocs): Likewise.
10308         * i386.cc (Scan::local): Check for ordinary symbols.
10309         * sparc.cc (Scan::local): Likewise.
10310         * x86_64.cc (Scan::local): Likewise.
10311         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10312         to symbol_section_and_value.
10313         * testsuite/many_sections_test.cc: New file.
10314         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10315         (check_PROGRAMS): Add many_sections_test.
10316         (many_sections_test_SOURCES): Define.
10317         (many_sections_test_DEPENDENCIES): Define.
10318         (many_sections_test_LDFLAGS): Define.
10319         (BUILT_SOURCES): Add many_sections_define.h.
10320         (many_sections_define.h): New target.
10321         (BUILT_SOURCES): Add many_sections_check.h.
10322         (many_sections_check.h): New target.
10323         (check_PROGRAMS): Add many_sections_r_test.
10324         (many_sections_r_test_SOURCES): Define.
10325         (many_sections_r_test_DEPENDENCIES): Define.
10326         (many_sections_r_test_LDFLAGS): Define.
10327         (many_sections_r_test_LDADD): Define.
10328         (many_sections_r_test.o): New target.
10329         * testsuite/Makefile.in: Rebuild.
10330
10331 2008-04-17  Cary Coutant  <ccoutant@google.com>
10332
10333         * errors.cc (Errors::info): New function.
10334         (gold_info): New function.
10335         * errors.h (Errors::info): New function.
10336         * gold.h (gold_info): New function.
10337         * object.cc (Input_objects::add_object): Print trace output.
10338         * options.cc (options::parse_set): New function.
10339         (General_options::parse_wrap): Deleted.
10340         (General_options::General_options): Deleted initializer.
10341         * options.h (options::String_set): New typedef.
10342         (options::parse_set): New function.
10343         (DEFINE_set): New macro.
10344         (General_options::wrap): Changed to use DEFINE_set. Changed
10345         callers of any_wrap_symbols and is_wrap_symbol.
10346         (General_options::trace, General_options::trace_symbol):
10347         New options.
10348         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10349         (General_options::wrap_symbols_): Deleted.
10350         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10351
10352 2008-04-17  David S. Miller  <davem@davemloft.net>
10353
10354         * options.cc (General_options::parse_V): New function.
10355         * options.h: Add entries for -V and -Qy.
10356
10357 2008-04-17  Ian Lance Taylor  <iant@google.com>
10358
10359         * common.cc (Symbol_table::allocate_commons): Remove options
10360         parameter.  Change caller.
10361         (Symbol_table::do_allocate_commons): Remove options parameter.
10362         Change caller.  Just call do_allocate_commons_list twice.
10363         (Symbol_table::do_allocate_commons_list): New function, broken out
10364         of do_allocate_commons.
10365         * common.h (class Allocate_commons_task): Remove options_ field.
10366         Update constructor.
10367         * symtab.cc (Symbol_table::Symbol_table): Initialize
10368         tls_commons_.
10369         (Symbol_table::add_from_object): Put TLS common symbols on
10370         tls_commons_ list.
10371         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10372         which are IN_OUTPUT_DATA.
10373         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10374         allocate_commons and do_allocate_commons declarations.  Declare
10375         do_allocate_commons_list.
10376         * gold.cc (queue_middle_tasks): Update creation of
10377         Allocate_commons_task to not pass options.
10378         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10379         (TLS_TEST_C_FLAGS): New variable.
10380         (tls_test_c_pic.o): New target.
10381         (tls_test_shared.so): Link in tls_test_c_pic.o.
10382         (tls_test_c_pic_ie.o): New target.
10383         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10384         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10385         (tls_test_c.o): New target.
10386         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10387         (tls_pic_test_LDADD): Likewise.
10388         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10389         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10390         (tls_test_c_gnu2.o): New target.
10391         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10392         tls_test_c_gnu2.o.
10393         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10394         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10395         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10396         * testsuite/tls_test.cc: Include "config.h".
10397         (t_last): Call t11_last.
10398         * testsuite/tls_test.h (t11, t11_last): Declare.
10399         * testsuite/tls_test_c.c: New file.
10400         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10401         * configure.ac: Check for OpenMP support.
10402         * configure, config.in, Makefile.in: Rebuild.
10403         * testsuite/Makefile.in: Rebuild.
10404
10405 2008-04-16  Cary Coutant  <ccoutant@google.com>
10406
10407         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10408         (Target_i386::tls_base_symbol_defined_): New field.
10409         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10410         (Target_i386::Scan::global): Likewise.
10411         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10412         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10413         (Target_x86_64::tls_base_symbol_defined_): New field.
10414         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10415         (Target_x86_64::Scan::global): Likewise.
10416
10417 2008-04-16  Cary Coutant  <ccoutant@google.com>
10418
10419         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10420         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10421         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10422         building shared libraries.
10423         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10424         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10425         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10426         * testsuite/Makefile.in: Rebuild.
10427         * testsuite/weak_undef.h: New file.
10428         * testsuite/weak_undef_file1.cc: Add extra test cases.
10429         * testsuite/weak_undef_file2.cc: Likewise.
10430         * testsuite/weak_undef_test.cc: Likewise.
10431
10432 2008-04-16  David S. Miller  <davem@davemloft.net>
10433
10434         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10435         Add issued_non_pic_error_ field.  Declare check_non_pic.
10436         (Target_sparc::Scan::check_non_pic): New function.
10437         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10438         (Target_sparc::Scan::global): Likewise.
10439
10440         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10441         * configure: Rebuild.
10442
10443         * options.h (DEFINE_enable): New macro.
10444         (new_dtags): New enable option.
10445         (initfirst, interpose, loadfltr, nodefaultlib,
10446         nodelete, nodlopen, nodump): New -z options.
10447         * layout.cc (Layout:finish_dynamic_section): If new
10448         dtags enabled, emit DT_RUNPATH.  Also, emit a
10449         DT_FLAGS_1 containing any specified -z flags.
10450
10451 2008-04-16  Ian Lance Taylor  <iant@google.com>
10452
10453         * copy-relocs.cc: New file.
10454         * copy-relocs.h: New file.
10455         * reloc.cc: Remove Copy_relocs code.
10456         * reloc.h: Likewise.
10457         * reloc-types.h (struct Reloc_types) [both versions]: Add
10458         get_reloc_addend_noerror.
10459         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10460         variants of add_global which take an addend which must be zero.
10461         * i386.cc: Include "copy-relocs.h".
10462         (class Target_i386): Change type of copy_relocs_ to variable,
10463         update initializer.
10464         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10465         Change all callers.
10466         (Target_i386::do_finalize_sections): Change handling of
10467         copy_relocs_.
10468         * sparc.cc: Include "copy-relocs.h".
10469         (class Target_sparc): Change type of copy_relocs_ to variable,
10470         update initializer.
10471         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10472         Change all callers.
10473         (Target_sparc::do_finalize_sections): Change handling of
10474         copy_relocs_.
10475         * x86_64.cc: Include "copy-relocs.h".
10476         (class Target_x86_64): Change type of copy_relocs_ to variable,
10477         update initializer.
10478         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10479         class.  Change all callers.
10480         (Target_x86_64::do_finalize_sections): Change handling of
10481         copy_relocs_.
10482         * Makefile.am (CCFILES): Add copy-relocs.cc.
10483         (HFILES): Add copy-relocs.h.
10484
10485         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10486
10487         * testsuite/script_test_4.sh: Permit leading zeroes.
10488
10489 2008-04-15  Ian Lance Taylor  <iant@google.com>
10490
10491         * script-sections.cc (Script_sections::create_segments): Use
10492         header_size_adjustment even when there is enough room for the
10493         headers.
10494         * testsuite/script_test_4.sh: New file.
10495         * testsuite/script_test_4.t: New file.
10496         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10497         (check_DATA): Add script_test_4.stdout.
10498         (MOSTLYCLEANFILES): Likewise.
10499         (script_test_4): New target.
10500         (script_test_4.stdout): New target.
10501         * testsuite/Makefile.in: Rebuild.
10502
10503         * sparc.cc: Add definitions for Output_data_plt_sparc class
10504         constants.
10505
10506 2008-04-14  David S. Miller  <davem@davemloft.net>
10507
10508         * sparc.cc: New file.
10509         * Makefile.am (TARGETSOURCES): Add sparc.cc
10510         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10511         * configure.tgt: Document targ_extra_size and
10512         targ_extra_big_endian.  Add entries for sparc-* and
10513         sparc64-*.
10514         * configure.ac: Handle targ_extra_size and
10515         targ_extra_big_endian.
10516         * Makefile.in: Rebuild.
10517         * configure: Likewise.
10518         * po/POTFILES.in: Likewise.
10519         * po/gold.pot: Likewise.
10520
10521 2008-04-14  Ian Lance Taylor  <iant@google.com>
10522
10523         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10524         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10525         in the name/type/flags to section mapping.  Don't call
10526         allocate_output_section.
10527         (Layout::choose_output_section): Change parameter from adjust_name
10528         to is_input_section.  Don't permit input sections after sections
10529         are attached to segments.  Don't call allocate_output_section.
10530         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10531         not write_enable_output_section.
10532         (Layout::make_output_section): Don't push to
10533         unattached_section_list_ nor call attach_to_segment.  Call
10534         attach_section_to_segment if sections are attached.
10535         (Layout::attach_sections_to_segments): New function.
10536         (Layout::attach_section_to_segment): New function.
10537         (Layout::attach_allocated_section_to_segment): Rename from
10538         attach_to_segment.  Remove flags parameter.
10539         (Layout::allocate_output_section): Remove function.
10540         (Layout::write_enable_output_section): Remove function.
10541         * layout.h (class Layout): Update for above changes.  Add new
10542         field sections_are_attached_.
10543         * output.h (Output_section::update_flags_for_input_section): New
10544         function.
10545         * output.cc (Output_section::add_input_section): Call
10546         update_flags_for_input_section.
10547         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10548
10549 2008-04-11  Cary Coutant  <ccoutant@google.com>
10550
10551         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10552         thought unnecessary.
10553         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10554
10555 2008-04-11  Ian Lance Taylor  <iant@google.com>
10556
10557         * output.h (class Output_section_data): Remove inline definition
10558         of set_addralign.
10559         * output.cc (Output_section_data::set_addralign): New function.
10560
10561 2008-04-11  Cary Coutant  <ccoutant@google.com>
10562
10563         Add support for TLS descriptors for i386 and x86_64.
10564         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10565         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10566         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10567         GOT_TYPE_TLS_DESC.
10568         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10569         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10570         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10571         relocations.
10572         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10573         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10574         Fix problem with initial-exec relocations.
10575         (Target_i386::Relocate::relocate_tls): Likewise.
10576         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10577         relaxation.
10578         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10579         support for section-plus-offset dynamic table entries.
10580         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10581         (Output_data_dynamic::Dynamic_entry): Add support for
10582         section-plus-offset dynamic table entries.
10583         (Output_data_dynamic::Classification): Likewise.
10584         (Output_data_dynamic::classification_): Renamed offset_.
10585         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10586         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10587         (Target_x86_64::make_plt_section): New function.
10588         (Target_x86_64::reserve_tlsdesc_entries): New function.
10589         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10590         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10591         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10592         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10593         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10594         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10595         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10596         add extra PLT entry for TLS descriptors.
10597         (Output_data_plt_x86_64::got_): New field.
10598         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10599         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10600         fields.
10601         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10602         descriptors.
10603         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10604         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10605         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10606         R_386_TLS_DESC_CALL relocations.
10607         (Target_x86_64::Scan::global): Likewise.
10608         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10609         for TLS descriptors.
10610         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10611         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10612         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10613         GD-to-IE relaxation.
10614         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10615         and TLS_DESCRIPTORS.
10616         * Makefile.in: Rebuild.
10617         * configure: Rebuild.
10618         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10619         (tls_test_shared2.so): New target.
10620         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10621         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10622         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10623         (tls_shared_gd_to_ie_test_LDADD): New variable.
10624         (tls_shared_gnu2_gd_to_ie_test): New target.
10625         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10626         New targets.
10627         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10628         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10629         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10630         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10631         (tls_shared_gnu2_test): New target.
10632         (tls_test_gnu2_shared.so): New target.
10633         (tls_shared_gnu2_test_SOURCES): New variable.
10634         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10635         (tls_shared_gnu2_test_LDFLAGS): New variable.
10636         (tls_shared_gnu2_test_LDADD): New variable.
10637         * testsuite/Makefile.in: Rebuild.
10638         * testsuite/Makefile.
10639
10640 2008-04-11  Ian Lance Taylor  <iant@google.com>
10641
10642         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10643         justsyms.t.
10644         * testsuite/Makefile.in: Rebuild.
10645
10646         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10647         long.
10648         * testsuite/script_test_2.cc (main): Adjust test.
10649
10650 2008-04-11  David S. Miller  <davem@davemloft.net>
10651             Ian Lance Taylor  <iant@google.com>
10652
10653         * options.h (General_options): Add entries for '-Y' and
10654         '-relax'.
10655         * options.cc (General_options:finalize): If -Y was used, add those
10656         entries to the library path instead of the default "/lib" and
10657         "/usr/lib".
10658
10659 2008-04-11  David S. Miller  <davem@davemloft.net>
10660
10661         * testsuite/justsyms.t: Start at 0x100.
10662         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10663         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10664         long.
10665         * testsuite/script_test_2.cc: Adjust string and section length
10666         checks.
10667
10668 2008-04-09  Ian Lance Taylor  <iant@google.com>
10669
10670         PR gold/5996
10671         * script-sections.cc (Sections_element::allocate_to_segment): Add
10672         orphan parameter.
10673         (Output_section_definition::allocate_to_segment): Likewise.
10674         (Orphan_output_section::allocate_to_segment): Likewise.
10675         (Script_sections::attach_sections_using_phdrs_clause): Don't
10676         propagate non-PT_LOAD segments to orphan sections.
10677         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10678         readelf rather than objdump.
10679         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10680         .interp section and PT_INTERP segment are the same size.
10681         * testsuite/Makefile.in: Rebuild.
10682
10683         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10684         aliases for symbols defined in the same object.
10685         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10686         (weak_alias_test_SOURCES): New variable.
10687         (weak_alias_test_DEPENDENCIES): New variable.
10688         (weak_alias_test_LDFLAGS): New variable.
10689         (weak_alias_test_LDADD): New variable.
10690         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10691         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10692         (weak_alias_test_3.o): New target.
10693         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10694         * testsuite/weak_alias_test_main.cc: New file.
10695         * testsuite/weak_alias_test_1.cc: New file.
10696         * testsuite/weak_alias_test_2.cc: New file.
10697         * testsuite/weak_alias_test_3.cc: New file.
10698
10699 2008-04-08  Ian Lance Taylor  <iant@google.com>
10700
10701         * options.h (class General_options): Add --noinhibit-exec option.
10702         * main.cc (main): Check --noinhibit-exec.
10703
10704         * options.h (class General_options): Define --wrap as a special
10705         option.  Add wrap_symbols_ field.
10706         (General_options::any_wrap_symbols): New function.
10707         (General_options::is_wrap_symbol): New function.
10708         * options.cc (General_options::parse_wrap): New function.
10709         (General_options::General_options): Initialize wrap_symbols_.
10710         * symtab.cc (Symbol_table::wrap_symbol): New function.
10711         (Symbol_table::add_from_object): Handle --wrap.
10712         * symtab.h (class Symbol_table): Declare wrap_symbol.
10713         * target.h (Target::wrap_char): New function.
10714         (Target::Target_info): Add wrap_char field.
10715         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10716         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10717         * testsuite/testfile.cc (Target_test::test_target_info):
10718         Likewise.
10719
10720         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10721         there is one.
10722
10723         * layout.h (class Layout): Add added_eh_frame_data_ field.
10724         * layout.cc (Layout::Layout): Initialize new field.
10725         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10726         output section until we find a section we merged successfully.
10727         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10728         that the size be non-zero.
10729
10730         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10731         qualifier.
10732
10733 2008-04-08  Craig Silverstein  <csilvers@google.com>
10734
10735         * configure.ac: Export new conditional variable HAVE_ZLIB.
10736         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10737         on HAVE_ZLIB.
10738         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10739         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10740
10741 2008-04-07  Ian Lance Taylor  <iant@google.com>
10742
10743         * version.cc (version_string): Set to "1.5".
10744
10745         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10746         Add issued_non_pic_error_ field.  Declare check_non_pic.
10747         (Target_x86_64::Scan::check_non_pic): New function.
10748         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10749         (Target_x86_64::Scan::global): Likewise.
10750
10751         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10752         addend parameter.  Change caller.  Handle merge sections.
10753         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10754         Address to Addend.  Don't add in the result of
10755         local_section_offset, pass down the addend and use the returned
10756         value.
10757         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10758         Update declarations of local_section_offset and symbol_value.
10759         * testsuite/two_file_test_1.cc (t18): New function.
10760         * testsuite/two_file_test_2.cc (f18): New function.
10761         * testsuite/two_file_test_main.cc (main): Call t18.
10762         * testsuite/two_file_test.h (t18, f18): Declare.
10763
10764         * configure.ac: Don't test for objdump, c++filt, or readelf.
10765         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10766         conditionals.
10767         (TEST_READELF): New variable.
10768         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10769         (check_PROGRAMS): Add two_file_strip_test.
10770         (two_file_strip_test): New target.
10771         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10772         (two_file_same_shared_strip_test_SOURCES): New variable.
10773         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10774         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10775         (two_file_same_shared_strip_test_LDADD): New variable.
10776         (two_file_shared_strip.so): New target.
10777         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10778         (ver_test_5.syms, ver_test_7.syms): Likewise.
10779         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10780         (strip_test_3.stdout): Use TEST_OBJDUMP.
10781         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10782
10783 2008-04-04  Cary Coutant  <ccoutant@google.com>
10784
10785         * symtab.h (Symbol::is_weak_undefined): New function.
10786         (Symbol::is_strong_undefined): New function.
10787         (Symbol::is_absolute): New function.
10788         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10789         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10790         absolute symbols.
10791         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10792         (weak_undef_test): New target.
10793         * testsuite/Makefile.in: Rebuild.
10794         * testsuite/weak_undef_file1.cc: New file.
10795         * testsuite/weak_undef_file2.cc: New file.
10796         * testsuite/weak_undef_test.cc: New file.
10797
10798 2008-04-03  Craig Silverstein  <csilvers@google.com>
10799
10800         * compressed_output.h (class Output_compressed_section): Use
10801         unsigned buffer.
10802         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10803         add zlib header.
10804         (zlib_compressed_suffix): Removed.
10805         (Output_compressed_section::set_final_data_size): Use unsigned
10806         buffers.
10807         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10808         Fix linker invocation.
10809         (flagstest_o_specialfile_and_compress_debug_sections):
10810         Likewise.
10811         * testsuite/Makefile.in: Regenerated.
10812
10813 2008-04-02  David S. Miller  <davem@davemloft.net>
10814
10815         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10816         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10817
10818 2008-04-02  Craig Silverstein  <csilvers@google.com>
10819
10820         * TODO: New file.
10821
10822 2008-04-02  Ian Lance Taylor  <iant@google.com>
10823
10824         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10825         parameters.  Update for new key type to views_.  Change all
10826         callers.
10827         (File_read::read): Adjust for byteshift in returned view.
10828         (File_read::add_view): New function, broken out of
10829         find_and_make_view.
10830         (File_read::make_view): New function, broken out of
10831         find_and_make_view.
10832         (File_read::find_or_make_view): Add offset and aligned
10833         parameters.  Rewrite accordingly.  Change all callers.
10834         (File_read::get_view): Add offset and aligned parameters.  Adjust
10835         for byteshift in return value.
10836         (File_read::get_lasting_view): Likewise.
10837         * fileread.h (class File_read): Update declarations.
10838         (class File_read::View): Add byteshift_ field.  Add byteshift to
10839         constructor.  Add byteshift method.
10840         * archive.h (Archive::clear_uncached_views): New function.
10841         (Archive::get_view): Add aligned parameter.  Change all callers.
10842         * object.h (Object::get_view): Add aligned parameter.  Change all
10843         callers.
10844         (Object::get_lasting_view): Likewise.
10845
10846         * fileread.cc (File_read::release): Don't call clear_views if
10847         there are multiple objects.
10848         * fileread.h (File_read::clear_uncached_views): New function.
10849         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10850         on the archive.
10851
10852 2008-03-31  Cary Coutant  <ccoutant@google.com>
10853
10854         Add thin archive support.
10855         * archive.cc (Archive::armagt): New const.
10856         (Archive::setup): Remove task parameter and calls to unlock.
10857         (Archive::unlock_nested_archives): New function.
10858         (Archive::read_header): Add nested_off parameter. Change
10859         all callers.
10860         (Archive::interpret_header): Likewise.
10861         (Archive::include_all_members): Change to handle thin
10862         archives.
10863         (Archive::include_member): Likewise.
10864         * archive.h (Archive::Archive): Add new parameters and
10865         initializers.
10866         (Archive::armagt): New const.
10867         (Archive::setup): Remove task parameter.
10868         (Archive::unlock_nested_archives): New function.
10869         (Archive::read_header): Add nested_off parameter.
10870         (Archive::interpret_header): Likewise.
10871         (Archive::Nested_archive_table): New typedef.
10872         (Archive::is_thin_archive_): New field.
10873         (Archive::nested_archives_): New field.
10874         (Archive::options_): New field.
10875         (Archive::dirpath_): New field.
10876         (Archive::task_): New field.
10877         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10878         for thin archives.  Pass additional parameters to
10879         Archive::Archive.  Unlock the archive file after calling
10880         Archive::setup.
10881
10882 2008-03-29  Ian Lance Taylor  <iant@google.com>
10883
10884         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10885         version symbol to be local.
10886         * testsuite/ver_test_4.sh: New file.
10887         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10888         (check_DATA): Add ver_test_4.syms.
10889         (ver_test_4.syms): New target.
10890         * testsuite/Makefile.in: Rebuild.
10891
10892         * output.cc
10893         (Output_section::Input_section_sort_entry::has_priority): New
10894         function.
10895         (Output_section::Input_section_sort_entry::match_file_name): New
10896         function.
10897         (Output_section::Input_section_sort_entry::match_section_name):
10898         Remove.
10899         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10900         Remove.
10901         (Output_section::Input_section_sort_entry::match_section_file):
10902         Remove.
10903         (Output_section::Input_section_sort_compare::operator()): Rewrite
10904         using new Input_section_sort_entry functions.  Sort crtbegin and
10905         crtend first.  Sort sections with no priority before sections with
10906         a priority.
10907         * testsuite/initpri1.c (d3): Check j != 4.
10908         (cd5): New constructor/destructor function.
10909         (main): Check j != 2.
10910
10911         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10912         new symbol when resolving, don't call set_is_default.
10913         * testsuite/ver_test_7.cc: New file.
10914         * testsuite/ver_test_7.sh: New file.
10915         * testsuite/Makefile.am (ver_test_7.so): New target.
10916         (ver_test_7.o): New target.
10917         (check_SCRIPTS): Add ver_test_7.sh.
10918         (check_DATA): Add ver_test_7.syms.
10919         (ver_test_7.syms): New target.
10920
10921 2008-03-28  Ian Lance Taylor  <iant@google.com>
10922
10923         * layout.cc (Layout::layout): If we see an input section with a
10924         name that needs sorting, set the must_sort flag for the output
10925         section.
10926         (Layout::make_output_section): If the name of the output section
10927         indicates that it might require sorting, set the may_sort flag.
10928         * output.h (Output_section::may_sort_attached_input_sections): New
10929         function.
10930         (Output_section::set_may_sort_attached_input_sections): New
10931         function.
10932         (Output_section::must_sort_attached_input_sections): New
10933         function.
10934         (Output_section::set_must_sort_attached_input_sections): New
10935         function.
10936         (class Output_section): Declare Input_section_sort_entry.  Define
10937         Input_section_sort_compare.  Declare
10938         sort_attached_input_sections.  Add new fields:
10939         may_sort_attached_input_sections_,
10940         must_sort_attached_input_sections_,
10941         attached_input_sections_are_sorted_.
10942         * output.cc (Output_section::Output_section): Initialize new
10943         fields.
10944         (Output_section::add_input_section): Add an entry to
10945         input_sections_ if may_sort or must_sort are true.
10946         (Output_section::set_final_data_size): Call
10947         sort_attached_input_sections if necessary.
10948         (Output_section::Input_section_sort_entry): Define new class.
10949         (Output_section::Input_section_sort_compare::operator()): New
10950         function.
10951         (Output_section::sort_attached_input_sections): New function.
10952         * configure.ac: Check whether the compiler supports constructor
10953         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10954         * testsuite/initpri1.c: New file.
10955         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10956         CONSTRUCTOR_PRIORITY.
10957         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10958         (initpri1_LDFLAGS): New variable.
10959         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10960
10961 2008-03-27  Ian Lance Taylor  <iant@google.com>
10962
10963         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10964         * testsuite/common_test_1.c: New file.
10965         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10966         (common_test_1_SOURCES): New variable.
10967         (common_test_1_DEPENDENCIES): New variable.
10968         (common_test_1_LDFLAGS): New variable.
10969
10970         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10971         and commons_ correctly when NAME/VERSION does not override
10972         NAME/NULL.
10973         * testsuite/ver_test_6.c: New file.
10974         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10975         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10976         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10977
10978 2008-03-26  Ian Lance Taylor  <iant@google.com>
10979
10980         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10981         of an undefined symbol from a version script.
10982         * testsuite/Makefile.am (ver_test_5.so): New target.
10983         (ver_test_5.o): New target.
10984         (check_SCRIPTS): Add ver_test_5.sh.
10985         (check_DATA): Add ver_test_5.syms.
10986         (ver_test_5.syms): New target.
10987         * testsuite/ver_test_5.cc: New file.
10988         * testsuite/ver_test_5.script: New file.
10989         * testsuite/ver_test_5.sh: New file.
10990         * Makefile.in, testsuite/Makefile.in: Rebuild.
10991
10992         PR gold/5986
10993         Fix problems building gold with gcc 4.3.0.
10994         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10995         (gold_error_at_location, gold_warning_at_location): Use it.
10996         * configure.ac: Check whether we can compile and use a template
10997         function with a printf attribute.
10998         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10999         when jumping over bytes.
11000         * object.cc: Instantiate Object::read_section_data.
11001         * debug.h: Include <cstring>
11002         * dwarf_reader.cc: Include <algorithm>
11003         * main.cc: Include <cstring>.
11004         * options.cc: Include <cstring>.
11005         * output.cc: Include <cstring>.
11006         * script.cc: Include <cstring>.
11007         * script.h: Include <string>.
11008         * symtab.cc: Include <cstring> and <algorithm>.
11009         * target-select.cc: Include <cstring>.
11010         * version.cc: Include <string>.
11011         * testsuite/testmain.cc: Include <cstdlib>.
11012         * configure, config.in: Rebuild.
11013
11014 2008-03-25  Ian Lance Taylor  <iant@google.com>
11015
11016         * options.cc: Include "../bfd/bfdver.h".
11017         (options::help): Print bug reporting address.
11018
11019         * version.cc (print_version): Adjust output for current value of
11020         BFD_VERSION_STRING.
11021
11022         * NEWS: New file.
11023
11024         * options.cc (options::help): Print list of supported targets.
11025         * target-select.h: Include <vector>.
11026         (class Target_selector): Make machine_, size_, and is_big_endian_
11027         fields const.  Add bfd_name_ and instantiated_target_ fields.
11028         (Target_selector::Target_selector): Add bfd_name parameter.
11029         (Target_selector::recognize): Make non-virtual, call
11030         do_recognize.
11031         (Target_selector::recognize_by_name): Make non-virtual, call
11032         do_recognize_by_name.
11033         (Target_selector::supported_names): New function.
11034         (Target_selector::bfd_name): New function.
11035         (Target_selector::do_instantiate_target): New pure virtual
11036         function.
11037         (Target_selector::do_recognize): New virtual function.
11038         (Target_selector::do_recognize_by_name): New virtual function.
11039         (Target_selector::instantiate_target): New private function.
11040         (supported_target_names): Declare.
11041         * target-select.cc (Target_selector::Target_selector): Update for
11042         new parameter and fields.
11043         (select_target_by_name): Check that the name matches before
11044         calling recognize_by_name.
11045         (supported_target_names): New function.
11046         * i386.cc (class Target_selector_i386): Update Target_selector
11047         constructor call.  Remove recognize and recognize_by_name.  Add
11048         do_instantiate_target.
11049         * x86_64.cc (class Target_selector_x86_64): Likewise.
11050         * testsuite/testfile.cc (class Target_selector_test): Update for
11051         changes to Target_selector.
11052
11053         * README: Rewrite, with some notes on unsupported features.
11054
11055 2008-03-24  Cary Coutant  <ccoutant@google.com>
11056
11057         * i386.cc (Target_i386::Got_type): New enum declaration.
11058         (Target_i386::Scan::local): Updated callers of Output_data_got
11059         member functions.
11060         (Target_i386::Scan::global): Likewise.
11061         (Target_i386::Relocate::relocate): Likewise.
11062         (Target_i386::Relocate::relocate_tls): Likewise.
11063         * object.h (Got_offset_list): New class.
11064         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11065         (Sized_relobj::local_got_offset): Likewise.
11066         (Sized_relobj::set_local_got_offset): Likewise.
11067         (Sized_relobj::local_has_tls_got_offset): Removed.
11068         (Sized_relobj::local_tls_got_offset): Removed.
11069         (Sized_relobj::set_local_tls_got_offset): Removed.
11070         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11071         * output.cc (Output_data_got::add_global): Added got_type parameter.
11072         (Output_data_got::add_global_with_rel): Likewise.
11073         (Output_data_got::add_global_with_rela): Likewise.
11074         (Output_data_got::add_global_pair_with_rel): New function.
11075         (Output_data_got::add_global_pair_with_rela): New function.
11076         (Output_data_got::add_local): Added got_type parameter.
11077         (Output_data_got::add_local_with_rel): Likewise.
11078         (Output_data_got::add_local_with_rela): Likewise.
11079         (Output_data_got::add_local_pair_with_rel): New function.
11080         (Output_data_got::add_local_pair_with_rela): New function.
11081         (Output_data_got::add_global_tls): Removed.
11082         (Output_data_got::add_global_tls_with_rel): Removed.
11083         (Output_data_got::add_global_tls_with_rela): Removed.
11084         (Output_data_got::add_local_tls): Removed.
11085         (Output_data_got::add_local_tls_with_rel): Removed.
11086         (Output_data_got::add_local_tls_with_rela): Removed.
11087         * output.h (Output_data_got::add_global): Added got_type parameter.
11088         (Output_data_got::add_global_with_rel): Likewise.
11089         (Output_data_got::add_global_with_rela): Likewise.
11090         (Output_data_got::add_global_pair_with_rel): New function.
11091         (Output_data_got::add_global_pair_with_rela): New function.
11092         (Output_data_got::add_local): Added got_type parameter.
11093         (Output_data_got::add_local_with_rel): Likewise.
11094         (Output_data_got::add_local_with_rela): Likewise.
11095         (Output_data_got::add_local_pair_with_rel): New function.
11096         (Output_data_got::add_local_pair_with_rela): New function.
11097         (Output_data_got::add_global_tls): Removed.
11098         (Output_data_got::add_global_tls_with_rel): Removed.
11099         (Output_data_got::add_global_tls_with_rela): Removed.
11100         (Output_data_got::add_local_tls): Removed.
11101         (Output_data_got::add_local_tls_with_rel): Removed.
11102         (Output_data_got::add_local_tls_with_rela): Removed.
11103         * resolve.cc (Symbol::override_base_with_special): Removed
11104         reference to has_got_offset_ field.
11105         * symtab.cc (Symbol::init_fields): Replaced initialization
11106         of got_offset_ with got_offsets_.  Removed initialization
11107         of has_got_offset_
11108         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11109         (Symbol::got_offset): Likewise.
11110         (Symbol::set_got_offset): Likewise.
11111         (Symbol::has_tls_got_offset): Removed.
11112         (Symbol::tls_got_offset): Removed.
11113         (Symbol::set_tls_got_offset): Removed.
11114         (Symbol::got_offset_): Removed.
11115         (Symbol::tls_mod_got_offset_): Removed.
11116         (Symbol::tls_pair_got_offset_): Removed.
11117         (Symbol::got_offsets_): New field.
11118         (Symbol::has_got_offset): Removed.
11119         (Symbol::has_tls_mod_got_offset): Removed.
11120         (Symbol::has_tls_pair_got_offset): Removed.
11121         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11122         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11123         member functions.
11124         (Target_x86_64::Scan::global): Likewise.
11125         (Target_x86_64::Relocate::relocate): Likewise.
11126         (Target_x86_64::Relocate::relocate_tls): Likewise.
11127
11128 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11129
11130         * yyscript.y: Fix spelling error in comment.
11131
11132 2008-03-24  Ian Lance Taylor  <iant@google.com>
11133
11134         * options.h (class General_options): Define build_id option.
11135         * layout.h (class Layout): Declare write_build_id, create_note,
11136         create_build_id.  Add build_id_note_ member.
11137         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11138         "libiberty.h", "md5.h", "sha1.h".
11139         (Layout::Layout): Initialize eh_frame_data_,
11140         eh_frame_hdr_section_, and build_id_note_.
11141         (Layout::finalize): Call create_build_id.
11142         (Layout::create_note): New function, broken out of
11143         Layout::create_gold_note.
11144         (Layout::create_gold_note): Call create_note.
11145         (Layout::create_build_id): New function.
11146         (Layout::write_build_id): New function.
11147         (Close_task_runner::run): Call write_build_id.
11148
11149         * x86_64.cc: Correct license to GPLv3.
11150
11151 2008-03-23  Ian Lance Taylor  <iant@google.com>
11152
11153         * options.cc: Include "demangle.h".
11154         (parse_optional_string): New function.
11155         (parse_long_option): Handle takes_optional_argument.
11156         (parse_short_option): Update dash_z initializer.  Handle
11157         takes_optional_argument.
11158         (General_options::General_options): Initialize do_demangle_.
11159         (General_options::finalize): Set do_demangle_.  Handle demangling
11160         style.
11161         * options.h (parse_optional_string): Declare.
11162         (struct One_option): Add optional_arg field.  Update constructor.
11163         Update call constructor calls.  Add takes_optional_argument
11164         function.
11165         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11166         (DEFINE_optional_string): Define.
11167         (General_options::demangle): Change from DEFINE_bool to
11168         DEFINE_optional_string.
11169         (General_options::no_demangle): New function.
11170         (General_options::do_demangle): New function.
11171         (General_options::set_do_demangle): New function.
11172         (General_options::execstack_status_): Move definition to end of
11173         class definition.
11174         (General_options::static_): Likewise.
11175         (General_options::do_demangle_): New field.
11176         * object.cc (big_endian>::get_symbol_location_info): Call
11177         Options::do_demangle, not Options::demangle.
11178         * symtab.cc (demangle): Likewise.
11179
11180 2008-03-22  Ian Lance Taylor  <iant@google.com>
11181
11182         * gold.h: Include <cstddef> and <sys/types.h>
11183         * options.h: Include <cstring>.
11184
11185 2008-03-21  Ian Lance Taylor  <iant@google.com>
11186
11187         * Added source code to GNU binutils.