* testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
[external/binutils.git] / gold / ChangeLog
1 2011-06-24  Cary Coutant  <ccoutant@google.com>
2
3         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
4         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
5         (debug_msg_cdebug.err): New targets.
6         * testsuite/Makefile.in: Regenerate.
7         * testsuite/debug_msg.sh: Check output of link with compressed debug.
8         Fix checks for link with shared library.
9
10 2011-06-24  Doug Kwan  <dougkwan@google.com>
11
12         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
13         skip empty text sections.
14         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
15
16 2011-06-22  Ian Lance Taylor  <iant@google.com>
17
18         PR gold/12910
19         * options.h (class General_options): Add --ctors-in-init-array.
20         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
21         friends as SHT_PROGBITS for merging sections.
22         (Layout::layout): Remove special handling of .init_array and
23         friends.  Don't sort if doing relocatable link.  Sort for .ctors
24         and .dtors if ctors_in_init_array.
25         (Layout::make_output_section): Force correct section types for
26         .init_array and friends.  Don't sort if doing relocatable link,
27         Don't sort .ctors and .dtors if ctors_in_init_array.
28         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
29         (Layout::output_section_name): Add relobj parameter.  Change all
30         callers.  Handle .ctors. and .dtors. in code rather than table.
31         Handle .ctors and .dtors if ctors_in_init_array.
32         (Layout::match_file_name): New function, moved from output.cc.
33         * layout.h (class Layout): Update declarations.
34         * output.cc: Include "layout.h".
35         (Input_section_sort_entry::get_priority): New function.
36         (Input_section_sort_entry::match_file_name): Just call
37         Layout::match_file_name.
38         (Output_section::Input_section_sort_init_fini_compare::operator()):
39         Handle .ctors and .dtors.  Sort by explicit priority rather than
40         by name.
41         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
42         * testsuite/initpri2.c: New test.
43         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
44         (check_PROGRAMS): Add initpri2.
45         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
46         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
47         * configure, testsuite/Makefile.in: Rebuild.
48
49 2011-06-19  Ian Lance Taylor  <iant@google.com>
50
51         PR gold/12880
52         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
53         .interp section to a PT_INTERP segment even if we have seen a
54         --dynamic-linker option.  Don't do it if we have seen a PHDRS
55         clause in a linker script.
56         (Layout::finalize): Don't create a .interp section if we've
57         already create a PT_INTERP segment.
58         (Layout::create_interp): Always call choose_output_section (revert
59         patch of 2011-06-17).  Don't create PT_INTERP segment.
60         * script-sections.cc
61         (Script_sections::create_note_and_tls_segments): Add a .interp
62         section to a PT_INTERP segment even if we have seen a
63         --dynamic-linker option.
64
65 2011-06-18  Ian Lance Taylor  <iant@google.com>
66
67         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
68         merely because a non-PT_LOAD segment has a dynamic reloc.
69
70 2011-06-18  Ian Lance Taylor  <iant@google.com>
71
72         * layout.cc (Layout::finish_dynamic_section): Don't create
73         DT_FLAGS entry if not needed.
74
75 2011-06-18  Ian Lance Taylor  <iant@google.com>
76
77         PR gold/12745
78         * layout.cc (Layout::layout_eh_frame): Correct handling of
79         writable .eh_frame section.
80
81 2011-06-17  Ian Lance Taylor  <iant@google.com>
82
83         PR gold/12893
84         * resolve.cc (Symbol_table::resolve): Don't give an error if a
85         symbol is redefined with the exact same object and value.
86
87 2011-06-17  Ian Lance Taylor  <iant@google.com>
88
89         PR gold/12880
90         * layout.h (class Layout): Add interp_segment_ field.
91         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
92         (Layout::attach_allocated_section_to_segment): If making shared
93         library, put .interp section in PT_INTERP segment.
94         (Layout::finalize): Also call create_interp if -dynamic-linker
95         option was used.
96         (Layout::create_interp): Assert that there is no PT_INTERP
97         segment.  If not using a SECTIONS clause, use make_output_section.
98         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
99         * script-sections.cc
100         (Script_sections::create_note_and_tls_segments): If making shared
101         library, put .interp section in PT_INTERP segment.
102
103 2011-06-17  Ian Lance Taylor  <iant@google.com>
104
105         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
106         when making a shared library.
107
108 2011-06-17  Ian Lance Taylor  <iant@google.com>
109
110         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
111         parameter.  Change all callers.  Don't issue warning about PC32
112         against locally defined symbol.
113
114 2011-06-16  Ian Lance Taylor  <iant@google.com>
115
116         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
117         occurs in same object.
118
119 2011-06-14  Alan Modra  <amodra@gmail.com>
120
121         * po/POTFILES.in: Regenerate.
122
123 2011-06-09  Ian Lance Taylor  <iant@google.com>
124
125         * script-sections.cc
126         (Orphan_output_section::set_section_addresses): For a relocatable
127         link set address to 0.
128
129 2011-06-09  Cary Coutant  <ccoutant@google.com>
130
131         PR gold/12804
132         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
133         used with --compress-debug-sections.
134         * gold/object.cc (Sized_relobj_file::do_layout): Report
135         uncompressed size of compressed input sections.
136
137 2011-06-08  Cary Coutant  <ccoutant@google.com>
138
139         PR gold/12804
140         * testsuite/two_file_test_2_v1.cc: Change initialization of
141         v2 to keep it in .data.
142
143 2011-06-07  Cary Coutant  <ccoutant@google.com>
144
145         * common.cc (Symbol_table::do_allocate_commons_list): Call
146         gold_fallback.
147         * errors.cc (Errors::fatal): Adjust call to gold_exit.
148         (Errors::fallback): New function.
149         (gold_fallback): New function.
150         * errors.h (Errors::fallback): New function.
151         * gold.cc (gold_exit): Change status parameter to enum; adjust
152         all callers.
153         (queue_initial_tasks): Call gold_fallback.
154         * gold.h: Include cstdlib.
155         (Exit_status): New enum type.
156         (gold_exit): Change status parameter to enum.
157         (gold_fallback): New function.
158         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
159         (Layout::create_symtab_sections): Likewise.
160         (Layout::create_shdrs): Likewise.
161         * main.cc (main): Adjust call to gold_exit.
162         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
163         (Output_data_got::add_got_entry_pair): Likewise.
164         (Output_section::add_input_section): Likewise.
165         (Output_section::add_output_section_data): Likewise.
166         (Output_segment::set_section_list_addresses): Likewise.
167         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
168
169 2011-06-07  Cary Coutant  <ccoutant@google.com>
170
171         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
172         for incremental links.
173         * output.cc (Output_segment::set_section_list_addresses): Remove
174         FIXME and test for TLS or BSS.
175
176 2011-06-07  Cary Coutant  <ccoutant@google.com>
177
178         * testsuite/Makefile.am: Add incremental_copy_test,
179         incremental_common_test_1.
180         * testsuite/Makefile.in: Regenerate.
181         * testsuite/common_test_1_v1.c: New source file.
182         * testsuite/common_test_1_v2.c: New source file.
183         * testsuite/copy_test_v1.cc: New source file.
184
185 2011-06-07  Cary Coutant  <ccoutant@google.com>
186
187         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
188         update, allocate common from bss section's free list.
189         * incremental-dump.cc (dump_incremental_inputs): Print flag for
190         linker-defined symbols.
191         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
192         Skip GOT and PLT entries that are no longer referenced.
193         (Output_section_incremental_inputs::write_info_blocks): Mark
194         linker-defined symbols.
195         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
196         * output.cc (Output_section::allocate): New function.
197         * output.h (Output_section::allocate): New function.
198         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
199         linker-defined symbols.
200         (Symbol::override_base_with_special): Copy is_predefined_ flag.
201         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
202         (Symbol::init_base_output_data): Likewise.
203         (Symbol::init_base_output_segment): Likewise.
204         (Symbol::init_base_constant): Likewise.
205         (Sized_symbol::init_output_data): Likewise.
206         (Sized_symbol::init_output_segment): Likewise.
207         (Sized_symbol::init_constant): Likewise.
208         (Symbol_table::do_define_in_output_data): Likewise.
209         (Symbol_table::do_define_in_output_segment): Likewise.
210         (Symbol_table::do_define_as_constant): Likewise.
211         * symtab.h (Symbol::is_predefined): New function.
212         (Symbol::init_base_output_data): Add is_predefined parameter.
213         (Symbol::init_base_output_segment): Likewise.
214         (Symbol::init_base_constant): Likewise.
215         (Symbol::is_predefined_): New data member.
216         (Sized_symbol::init_output_data): Add is_predefined parameter.
217         (Sized_symbol::init_output_segment): Likewise.
218         (Sized_symbol::init_constant): Likewise.
219         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
220
221 2011-06-07  Cary Coutant  <ccoutant@google.com>
222
223         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
224         instead of emit_copy_reloc.
225         (Copy_relocs::emit_copy_reloc): Refactor.
226         (Copy_relocs::make_copy_reloc): New function.
227         (Copy_relocs::add_copy_reloc): Remove.
228         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
229         section.
230         (Copy_relocs::make_copy_reloc): New function.
231         (Copy_relocs::add_copy_reloc): Remove.
232         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
233         unchanged input files.
234         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
235         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
236         Reserve BSS space for COPY relocations.
237         (Sized_incremental_binary::do_emit_copy_relocs): New function.
238         (Output_section_incremental_inputs::write_info_blocks): Record
239         whether a symbol is copied from a shared object.
240         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
241         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
242         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
243         (Incremental_input_entry_reader::get_output_symbol_index): Add
244         is_copy parameter.
245         (Incremental_binary::emit_copy_relocs): New function.
246         (Incremental_binary::do_emit_copy_relocs): New function.
247         (Sized_incremental_binary::Sized_incremental_binary): Initialize
248         new data member.
249         (Sized_incremental_binary::add_copy_reloc): New function.
250         (Sized_incremental_binary::do_emit_copy_relocs): New function.
251         (Sized_incremental_binary::Copy_reloc): New struct.
252         (Sized_incremental_binary::Copy_relocs): New typedef.
253         (Sized_incremental_binary::copy_relocs_): New data member.
254         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
255         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
256         * target.h (Sized_target::emit_copy_reloc): New function.
257         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
258
259 2011-06-02  Cary Coutant  <ccoutant@google.com>
260
261         PR gold/12163
262         * gold/archive.cc (Archive::Archive): Initialize new data member.
263         (Archive::include_all_members): Return if archive has already been
264         included.
265         * gold/archive.h (Archive::include_all_members_): New data member.
266
267 2011-06-02  Nick Clifton  <nickc@redhat.com>
268
269         * dynobj.h: Fix spelling mistake in comment.
270         * output.cc: Likewise.
271
272 2011-05-31  Doug Kwan  <dougkwan@google.com>
273             Asier Llano
274
275         PR gold/12826
276         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
277         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
278         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
279         redundant arm_exidx_test.so.
280         * testsuite/Makefile.in: Regenerate.
281         (check_SCRIPTS): Add pr12826.sh
282         (check_DATA): Add pr12826.stdout
283         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
284         * testsuite/pr12826.sh: New file.
285         * testsuite/pr12826_1.s: Ditto.
286         * testsuite/pr12826_1.s: Ditto.
287
288 2011-05-30  Ian Lance Taylor  <iant@google.com>
289
290         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
291         sections.
292
293 2011-05-29  Ian Lance Taylor  <iant@google.com>
294
295         PR gold/12804
296         * testsuite/Makefile.am: Use different file name for two_file_test
297         temporary file for each incremental test.
298         * testsuite/Makefile.in: Rebuild.
299
300 2011-05-29  Ian Lance Taylor  <iant@google.com>
301
302         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
303         binary input file is empty.
304
305 2011-05-27  Ian Lance Taylor  <iant@google.com>
306
307         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
308         (ver_test_9.so): Likewise.
309         * testsuite/Makefile.in: Rebuild.
310
311 2011-05-26 Cary Coutant  <ccoutant@google.com>
312
313         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
314         * incremental.cc (Incremental_inputs::report_input_section): Fix
315         comment, indentation.
316         (Incremental_inputs::report_comdat_group): New function.
317         (Output_section_incremental_inputs::set_final_data_size): Adjust size
318         of data for incremental input file entry.
319         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
320         group count, COMDAT group signatures.
321         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
322         an unchanged input file.
323         * incremental.h (Incremental_object_entry::Incremental_object_entry):
324         Initialize new data member.
325         (Incremental_object_entry::add_comdat_group): New function.
326         (Incremental_object_entry::get_comdat_group_count): New function.
327         (Incremental_object_entry::get_comdat_signature_key): New function.
328         (Incremental_object_entry::groups_): New data member.
329         (Incremental_inputs::report_comdat_group): New function.
330         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
331         data for incremental input file entry.
332         (Incremental_input_entry_reader::get_comdat_group_count): New function.
333         (Incremental_input_entry_reader::get_input_section): Adjust size of
334         data for incremental input file entry.
335         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
336         (Incremental_input_entry_reader::get_comdat_group_signature): New
337         function.
338         * object.cc (Sized_relobj::include_section_group): Report kept
339         COMDAT groups for incremental links.
340
341 2011-05-24  David Meyer  <pdox@google.com>
342
343         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
344         with name parameter.  Add found_name parameter.
345         * fileread.cc (Input_file::find_file): Adjust code accordingly.
346         * dirsearch.h (class Dirsearch): Update declaration.
347
348 2011-05-24  Ian Lance Taylor  <iant@google.com>
349
350         * archive.cc (Library_base::should_include_member): Pull in object
351         from archive if it defines the entry symbol.
352         * parameters.cc (Parameters::entry): New function.
353         * parameters.h (class Parameters): Declare entry.
354         * output.h (class Output_file_header): Remove entry_ field.
355         * output.cc (Output_file_header::Output_file_header): Remove entry
356         parameter.  Change all callers.
357         (Output_file_header::entry): Use parameters->entry.
358         * gold.cc (queue_middle_tasks): Likewise.
359         * plugin.cc (Plugin_hook::run): Likewise.
360
361 2011-05-24 Cary Coutant  <ccoutant@google.com>
362
363         * gold.cc (queue_initial_tasks): Pass incremental base filename
364         to Output_file::open_base_file; don't print error message.
365         * incremental-dump.cc (main): Adjust call to
366         Output_file::open_for_modification.
367         * incremental-dump.cc (main): Likewise.
368         * incremental.cc (Incremental_inputs::report_command_line):
369         Ignore --incremental-base option when comparing command lines.
370         Ignore parameter when given as separate argument.
371         * options.h (class General_options): Add --incremental-base.
372         * output.cc (Output_file::Output_file):
373         (Output_file::open_base_file): Add base_name and writable parameters;
374         read base file into new file; print error message here.
375         (Output_file::map_no_anonymous): Add writable parameter; adjust all
376         callers.
377         * output.h (Output_file::open_for_modification): Rename to...
378         (Output_file::open_base_file): ...this; add base_name and
379         writable parameters; adjust all callers.
380         (Output_file::map_no_anonymous): Add writable parameter; adjust all
381         callers.
382         * testsuite/Makefile.am (incremental_test_4): Test
383         --incremental-base.
384         * testsuite/Makefile.in: Regenerate.
385
386 2011-05-24 Cary Coutant  <ccoutant@google.com>
387
388         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
389         incremental_test_4.
390         * testsuite/Makefile.in: Regenerate.
391         * testsuite/two_file_test_1_v1.cc: New test source file.
392         * testsuite/two_file_test_1b_v1.cc: New test source file.
393         * testsuite/two_file_test_2_v1.cc: New test source file.
394
395 2011-05-24 Cary Coutant  <ccoutant@google.com>
396
397         * dynobj.h (Dynobj::do_dynobj): New function.
398         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
399         flag and soname for shared objects.
400         * incremental.cc (Incremental_inputs::report_object): Make
401         either Incremental_object_entry or Incremental_dynobj_entry; add
402         soname to string table.
403         (Incremental_inputs::report_input_section): Add assertion.
404         (Output_section_incremental_inputs::set_final_data_size): Adjust
405         type of input file entry for shared libraries; adjust size of
406         shared library info entry.
407         (Output_section_incremental_inputs::write_input_files): Write
408         as_needed flag for shared libraries.
409         (Output_section_incremental_inputs::write_info_blocks): Adjust type
410         of input file entry for shared libraries; write soname.
411         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
412         soname from incremental info.
413         * incremental.h (enum Incremental_input_flags): Add
414         INCREMENTAL_INPUT_AS_NEEDED.
415         (Incremental_input_entry::Incremental_input_entry): Initialize new
416         data member.
417         (Incremental_input_entry::set_as_needed): New function.
418         (Incremental_input_entry::as_needed): New function.
419         (Incremental_input_entry::do_dynobj_entry): New function.
420         (Incremental_input_entry::as_needed_): New data member.
421         (Incremental_object_entry::Incremental_object_entry): Don't check
422         for shared library.
423         (Incremental_object_entry::do_type): Likewise.
424         (class Incremental_dynobj_entry): New class.
425         (Incremental_input_entry_reader::as_needed): New function.
426         (Incremental_input_entry_reader::get_soname): New function.
427         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
428         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
429         size of shared library info entry.
430         * layout.cc (Layout::finish_dynamic_section): Don't test for 
431         incremental link when adding DT_NEEDED entries.
432         * object.h (Object::Object): Initialize new data member.
433         (Object::dynobj): New function.
434         (Object::set_as_needed): New function.
435         (Object::as_needed): New function.
436         (Object::do_dynobj): New function.
437         (Object::as_needed_): New data member.
438
439 2011-05-24 Cary Coutant  <ccoutant@google.com>
440
441         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
442         info; adjust display of GOT entries.
443         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
444         vector of input objects; remove file_status_.
445         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
446         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
447         got_plt reader; call target hooks to reserve GOT entries.
448         (Output_section_incremental_inputs::set_final_data_size): Adjust size
449         of input file info header and GOT info entry.
450         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
451         relocation info.
452         (Got_plt_view_info::got_descriptor): Remove.
453         (Got_plt_view_info::sym_index): New data member.
454         (Got_plt_view_info::input_index): New data member.
455         (Local_got_offset_visitor::visit): Write input file index.
456         (Global_got_offset_visitor::visit): Write 0 for input file index.
457         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
458         with sym_index and input_index.
459         (Output_section_incremental_inputs::write_got_plt): Adjust size of
460         incremental info GOT entry; replace got_descriptor with input_index.
461         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
462         map from input file index to object.
463         (Sized_relobj_incr::do_layout): Replace direct data member reference
464         with accessor function.
465         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
466         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
467         Adjust size of input file info header.
468         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
469         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
470         (Incremental_input_entry_reader::get_input_section): Adjust size of
471         input file info header.
472         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
473         of incremental info GOT entry.
474         (Incremental_got_plt_reader::get_got_desc): Remove.
475         (Incremental_got_plt_reader::get_got_symndx): New function.
476         (Incremental_got_plt_reader::get_got_input_index): New function.
477         (Sized_incremental_binary::Sized_incremental_binary): Remove
478         file_status_; add input_objects_.
479         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
480         (Sized_incremental_binary::set_file_is_unchanged): Remove.
481         (Sized_incremental_binary::file_is_unchanged): Remove.
482         (Sized_incremental_binary::set_input_object): New function.
483         (Sized_incremental_binary::input_object): New function.
484         (Sized_incremental_binary::file_status_): Remove.
485         (Sized_incremental_binary::input_objects_): New data member.
486         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
487         references.
488         (Sized_relobj_incr::invalid_address): Move to base class.
489         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
490         class.
491         (Sized_relobj_incr::do_output_section_offset): Likewise.
492         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
493         (Sized_relobj_incr::section_offsets_): Likewise.
494         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
495         function.
496         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
497         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
498         with accessor function.
499         (Sized_relobj_file::do_layout): Likewise.
500         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
501         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
502         (Sized_relobj_file::compute_final_local_value): Replace refs to
503         section_offsets_ with accessor function.
504         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
505         * object.h (Relobj::Relobj): Initialize new data members.
506         (Relobj::add_dyn_reloc): New function.
507         (Relobj::first_dyn_reloc): New function.
508         (Relobj::dyn_reloc_count): New function.
509         (Relobj::first_dyn_reloc_): New data member.
510         (Relobj::dyn_reloc_count_): New data member.
511         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
512         references.
513         (Sized_relobj::Address): New typedef.
514         (Sized_relobj::invalid_address): Move here from child class.
515         (Sized_relobj::Sized_relobj): Initialize new data members.
516         (Sized_relobj::sized_relobj): New function.
517         (Sized_relobj::is_output_section_offset_invalid): Move here from
518         child class.
519         (Sized_relobj::get_output_section_offset): Likewise.
520         (Sized_relobj::local_has_got_offset): Likewise.
521         (Sized_relobj::local_got_offset): Likewise.
522         (Sized_relobj::set_local_got_offset): Likewise.
523         (Sized_relobj::do_for_all_local_got_entries): Likewise.
524         (Sized_relobj::clear_got_offsets): New function.
525         (Sized_relobj::section_offsets): Move here from child class.
526         (Sized_relobj::do_output_section_offset): Likewise.
527         (Sized_relobj::do_set_section_offset): Likewise.
528         (Sized_relobj::Local_got_offsets): Likewise.
529         (Sized_relobj::local_got_offsets_): Likewise.
530         (Sized_relobj::section_offsets_): Likewise.
531         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
532         references.
533         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
534         class.
535         (Sized_relobj_file::sized_relobj): New function
536         (Sized_relobj_file::local_has_got_offset): Move to base class.
537         (Sized_relobj_file::local_got_offset): Likewise.
538         (Sized_relobj_file::set_local_got_offset): Likewise.
539         (Sized_relobj_file::get_output_section_offset): Likewise.
540         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
541         (Sized_relobj_file::do_output_section_offset): Likewise.
542         (Sized_relobj_file::do_set_section_offset): Likewise.
543         (Sized_relobj_file::Local_got_offsets): Likewise.
544         (Sized_relobj_file::local_got_offsets_): Likewise.
545         (Sized_relobj_file::section_offsets_): Likewise.
546         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
547         (all constructors).
548         (set_needs_dynsym_index): Convert relobj to derived class pointer.
549         (Output_reloc::get_symbol_index): Likewise.
550         (Output_reloc::local_section_offset): Likewise.
551         (Output_reloc::get_address): Likewise.
552         (Output_reloc::symbol_value): Likewise.
553         (Output_data_got::reserve_slot): Move to class definition.
554         (Output_data_got::reserve_local): New function.
555         (Output_data_got::reserve_slot_for_global): Remove.
556         (Output_data_got::reserve_global): New function.
557         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
558         (all constructors, two instantiations).
559         (Output_reloc::get_relobj): New function (two instantiations).
560         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
561         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
562         (Output_data_reloc::add_global): Adjust type of relobj.
563         (Output_data_reloc::add_global_relative): Likewise.
564         (Output_data_reloc::add_symbolless_global_addend): Likewise.
565         (Output_data_reloc::add_local): Likewise.
566         (Output_data_reloc::add_local_relative): Likewise.
567         (Output_data_reloc::add_symbolless_local_addend): Likewise.
568         (Output_data_reloc::add_local_section): Likewise.
569         (Output_data_reloc::add_output_section): Likewise.
570         (Output_data_reloc::add_absolute): Likewise.
571         (Output_data_reloc::add_target_specific): Likewise.
572         (Output_data_got::reserve_slot): Move definition here.
573         (Output_data_got::reserve_local): New function.
574         (Output_data_got::reserve_global): New function.
575         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
576         section_offsets_ with accessor function.
577         (Sized_relobj_file::write_sections): Likewise.
578         (Sized_relobj_file::do_relocate_sections): Likewise.
579         * target.h (Sized_target::reserve_local_got_entry): New function.
580         (Sized_target::reserve_global_got_entry): New function.
581         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
582         (Target_x86_64::reserve_global_got_entry): New function.
583         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
584
585 2011-05-23 Cary Coutant  <ccoutant@google.com>
586
587         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
588         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
589         bit when checking got_type.
590         * incremental.cc (Sized_incremental_binary::setup_readers):
591         Store symbol table and string table locations; initialize bit vector
592         of file status flags.
593         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
594         unchanged files.
595         (Sized_incremental_binary::do_process_got_plt): New function.
596         (Sized_incremental_binary::get_symtab_view): Use stored locations.
597         (Output_section_incremental_inputs::set_final_data_size): Record
598         file index for each input file.
599         (Output_section_incremental_inputs::write_got_plt): Store file index
600         instead of input entry offset for each GOT entry.
601         * incremental.h
602         (Incremental_input_entry::Incremental_input_entry): Initialize new
603         data member.
604         (Incremental_input_entry::set_offset): Store file index.
605         (Incremental_input_entry::get_file_index): New function.
606         (Incremental_input_entry::file_index_): New data member.
607         (Incremental_binary::process_got_plt): New function.
608         (Incremental_binary::do_process_got_plt): New function.
609         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
610         data members.
611         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
612         (Sized_incremental_binary::set_file_is_unchanged): New function.
613         (Sized_incremental_binary::file_is_unchanged): New function.
614         (Sized_incremental_binary::do_process_got_plt): New function.
615         (Sized_incremental_binary::file_status_): New data member.
616         (Sized_incremental_binary::main_symtab_loc_): New data member.
617         (Sized_incremental_binary::main_strtab_loc_): New data member.
618         * output.cc (Output_data_got::Got_entry::write): Add case
619         RESERVED_CODE.
620         (Output_data_got::add_global): Call add_got_entry.
621         (Output_data_got::add_global_plt): Likewise.
622         (Output_data_got::add_global_with_rel): Likewise.
623         (Output_data_got::add_global_with_rela): Likewise.
624         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
625         (Output_data_got::add_global_pair_with_rela): Likewise.
626         (Output_data_got::add_local): Call add_got_entry.
627         (Output_data_got::add_local_plt): Likewise.
628         (Output_data_got::add_local_with_rel): Likewise.
629         (Output_data_got::add_local_with_rela): Likewise.
630         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
631         (Output_data_got::add_local_pair_with_rela): Likewise.
632         (Output_data_got::reserve_slot): New function.
633         (Output_data_got::reserve_slot_for_global): New function.
634         (Output_data_got::add_got_entry): New function.
635         (Output_data_got::add_got_entry_pair): New function.
636         (Output_section::add_output_section_data): Edit FIXME.
637         * output.h
638         (Output_section_data_build::Output_section_data_build): New
639         constructor with size parameter.
640         (Output_data_space::Output_data_space): Likewise.
641         (Output_data_got::Output_data_got): Initialize new data member; new
642         constructor with size parameter.
643         (Output_data_got::add_constant): Call add_got_entry.
644         (Output_data_got::reserve_slot): New function.
645         (Output_data_got::reserve_slot_for_global): New function.
646         (class Output_data_got::Got_entry): Add RESERVED_CODE.
647         (Output_data_got::add_got_entry): New function.
648         (Output_data_got::add_got_entry_pair): New function.
649         (Output_data_got::free_list_): New data member.
650         * target.h (Sized_target::init_got_plt_for_update): New function.
651         (Sized_target::register_global_plt_entry): New function.
652         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
653         Initialize new data member; call init; add constructor with PLT count.
654         (Output_data_plt_x86_64::init): New function.
655         (Output_data_plt_x86_64::add_relocation): New function.
656         (Output_data_plt_x86_64::reserve_slot): New function.
657         (Output_data_plt_x86_64::free_list_): New data member.
658         (Target_x86_64::init_got_plt_for_update): New function.
659         (Target_x86_64::register_global_plt_entry): New function.
660         (Output_data_plt_x86_64::add_entry): Allocate from free list for
661         incremental updates.
662         (Output_data_plt_x86_64::add_relocation): New function.
663         * testsuite/object_unittest.cc (Object_test): Set default options.
664
665 2011-05-16  Ian Lance Taylor  <iant@google.com>
666
667         * options.h (class General_options): Make -i a synonym for -r.
668
669 2011-05-16  Ian Lance Taylor  <iant@google.com>
670
671         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
672
673 2011-05-10 Cary Coutant  <ccoutant@google.com>
674
675         * object.cc (Sized_relobj::do_count_local_symbols): Check for
676         strip_all (-s).
677
678 2011-05-06  Ian Lance Taylor  <iant@google.com>
679
680         * layout.cc (Layout::layout): If the output section flags change,
681         update the ordering.
682
683 2011-04-25 Cary Coutant  <ccoutant@google.com>
684
685         * incremental-dump.cc (dump_incremental_inputs): Print local
686         symbol info for each input file.
687         * incremental.cc
688         (Output_section_incremental_inputs::set_final_data_size): Add local
689         symbol info to input file entries in incremental info.
690         (Output_section_incremental_inputs::write_info_blocks): Likewise.
691         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
692         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
693         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
694         implementation.
695         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
696         (Sized_incr_relobj::do_relocate): Write the local symbols.
697         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
698         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
699         Adjust size of input file header.
700         (Incremental_inputs_reader::get_local_symbol_offset): New function.
701         (Incremental_inputs_reader::get_local_symbol_count): New function.
702         (Incremental_inputs_reader::get_input_section): Adjust size of input
703         file header.
704         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
705         (Sized_incr_relobj::This): New typedef.
706         (Sized_incr_relobj::sym_size): New const data member.
707         (Sized_incr_relobj::Local_symbol): New struct.
708         (Sized_incr_relobj::do_output_local_symbol_count): New function.
709         (Sized_incr_relobj::do_local_symbol_offset): New function.
710         (Sized_incr_relobj::local_symbol_count_): New data member.
711         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
712         (Sized_incr_relobj::local_symbol_index_): New data member.
713         (Sized_incr_relobj::local_symbol_offset_): New data member.
714         (Sized_incr_relobj::local_dynsym_offset_): New data member.
715         (Sized_incr_relobj::local_symbols_): New data member.
716         * object.h (Relobj::output_local_symbol_count): New function.
717         (Relobj::local_symbol_offset): New function.
718         (Relobj::do_output_local_symbol_count): New function.
719         (Relobj::do_local_symbol_offset): New function.
720         (Sized_relobj::do_output_local_symbol_count): New function.
721         (Sized_relobj::do_local_symbol_offset): New function.
722
723 2011-04-22  Vladimir Simonov  <sv@sw.ru>
724
725         * descriptors.cc (set_close_on_exec): New function.
726         (Descriptors::open): Use set_close_on_exec.
727         * output.cc (S_ISLNK): Define if not defined.
728
729 2011-04-22 Cary Coutant  <ccoutant@google.com>
730
731         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
732         global symbol map.
733         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
734         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
735         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
736         relocations.
737         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
738         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
739         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
740         * incremental.h
741         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
742         function.
743         (Incremental_binary::apply_incremental_relocs): New function.
744         (Incremental_binary::do_apply_incremental_relocs): New function.
745         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
746         data member.
747         (Sized_incremental_binary::add_global_symbol): New function.
748         (Sized_incremental_binary::global_symbol): New function.
749         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
750         (Sized_incremental_binary::symbol_map_): New data member.
751         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
752         * target.h (Sized_target::apply_relocation): New function.
753         * target-reloc.h (apply_relocation): New function.
754         * x86_64.cc (Target_x86_64::apply_relocation): New function.
755
756 2011-04-22  Doug Kwan  <dougkwan@google.com>
757
758         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
759         flag of a SHT_ARM_EXIDX section.
760         * testsuite/Makefile.am (arm_exidx_test): New test rules.
761         * testsuite/Makefile.in: Regenerate.
762         * testsuite/arm_exidx_test.s: New file.
763         * testsuite/arm_exidx_test.sh: Same.
764
765 2011-04-20 Cary Coutant  <ccoutant@google.com>
766
767         PR gold/12689
768         * archive.h (Incremental_archive_entry::Archive_member):
769         Initialize arg_serial_ (second constructor).
770
771 2011-04-17  Ian Lance Taylor  <iant@google.com>
772
773         * object.cc (Relocate_info::location): Simplify location string.
774         * errors.cc (Errors::error_at_location): Don't print program
775         name.
776         (Errors::warning_at_location): Likewise.
777         (Errors::undefined_symbol): Likewise.
778         * testsuite/debug_msg.sh: Update accordingly.
779
780 2011-04-14 Cary Coutant  <ccoutant@google.com>
781
782         * gold/layout.cc (Layout::symtab_section_offset): New function.
783         * gold/layout.h (Layout::symtab_section_offset): New function.
784         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
785
786 2011-04-12  Ian Lance Taylor  <iant@google.com>
787
788         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
789         with MREMAP_MAYMOVE.
790         * output.h (class Output_file): Add map_is_allocated_ field.
791         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
792         not available, provide stubs.  If mremap is not available, #define
793         it to gold_mremap.
794         (MREMAP_MAYMOVE): Define if not defined.
795         (Output_file::Output_file): Initialize map_is_allocated_.
796         (Output_file::resize): Check map_is_allocated_.
797         (Output_file::map_anonymous): If mmap fails, use malloc.
798         (Output_file::unmap): Don't do anything for an anonymous map.
799         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
800         is not available, provide stubs.
801         (File_read::View::~View): Use free rather than delete[].
802         (File_read::make_view): Use malloc rather than new[].  If mmap
803         fails, use malloc.
804         (File_read::find_or_make_view): Use malloc rather than new[].
805         * gold.h: Remove HAVE_REMAP code.
806         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
807         exists.  Rename mremap to gold_mremap.  If mmap is not available
808         don't do anything.
809         * configure, config.in: Rebuild.
810
811 2011-04-11  Ian Lance Taylor  <iant@google.com>
812
813         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
814         initialize local variable v.
815
816 2011-04-11  Cary Coutant  <ccoutant@google.com>
817
818         * archive.cc (Archive::include_member): Adjust call to
819         report_object.
820         (Add_archive_symbols::run): Track argument serial numbers.
821         (Lib_group::include_member): Likewise.
822         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
823         * archive.h (Incremental_archive_entry::Archive_member):
824         Initialize arg_serial_.
825         (Archive_member::arg_serial_): New data member.
826         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
827         (Sized_dynobj::do_add_symbols): Track symbols when doing an
828         incremental link.
829         (Sized_dynobj::do_for_all_local_got_entries): New function.
830         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
831         function.
832         * fileread.cc (get_mtime): New function.
833         * fileread.h (get_mtime): New function.
834         * gold.cc (queue_initial_tasks): Check for incremental update.
835         (process_incremental_input): New function.
836         (queue_middle_tasks): Don't force valid target for incremental
837         update.
838         * incremental-dump.cc (find_input_containing_global): Adjust
839         size of symbol info entry.
840         (dump_incremental_inputs): Dump argument serial number and
841         in_system_directory flag; bias shndx by 1; print symbol names
842         when dumping per-file symbol lists; use new symbol info readers.
843         * incremental.cc
844         (Output_section_incremental_inputs:update_data_size): New function.
845         (Sized_incremental_binary::setup_readers): Setup input readers
846         for each input file; build maps for files added from libraries
847         and scripts.
848         (Sized_incremental_binary::check_input_args): New function.
849         (Sized_incremental_binary::do_check_inputs): Build map of argument
850         serial numbers to input arguments.
851         (Sized_incremental_binary::do_file_has_changed): Rename
852         do_file_is_unchanged to this; compare file modification times.
853         (Sized_incremental_binary::do_init_layout): New function.
854         (Sized_incremental_binary::do_reserve_layout): New function.
855         (Sized_incremental_binary::do_get_input_reader): Remove.
856         (Sized_incremental_binary::get_symtab_view): New function.
857         (Incremental_checker::can_incrementally_link_output_file): Remove.
858         (Incremental_inputs::report_command_line): Exclude --debug options.
859         (Incremental_inputs::report_archive_begin): Add parameter; track
860         argument serial numbers; don't put input file entry for archive
861         before archive members.
862         (Incremental_inputs::report_archive_end): Put input file entry
863         for archive after archive members.
864         (Incremental_inputs::report_object): Add parameter; track argument
865         serial numbers and in_system_directory flag.
866         (Incremental_inputs::report_script): Add parameter; track argument
867         serial numbers.
868         (Output_section_incremental_inputs::set_final_data_size): Adjust
869         size of symbol info entry; check for forwarding symbols.
870         (Output_section_incremental_inputs::write_input_files): Write
871         in_system_directory flag and argument serial number.
872         (Output_section_incremental_inputs::write_info_blocks): Map section
873         indices between incremental info and original input file; store
874         input section index for each symbol.
875         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
876         change operator() to visit().
877         (class Global_got_offset_visitor): Likewise.
878         (class Global_symbol_visitor_got_plt):
879         (Output_section_incremental_inputs::write_got_plt): Use new visitor
880         classes.
881         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
882         (Sized_incr_relobj::do_read_symbols): New function.
883         (Sized_incr_relobj::do_layout): New function.
884         (Sized_incr_relobj::do_layout_deferred_sections): New function.
885         (Sized_incr_relobj::do_add_symbols): New function.
886         (Sized_incr_relobj::do_should_include_member): New function.
887         (Sized_incr_relobj::do_for_all_global_symbols): New function.
888         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
889         (Sized_incr_relobj::do_section_size): New function.
890         (Sized_incr_relobj::do_section_name): New function.
891         (Sized_incr_relobj::do_section_contents): New function.
892         (Sized_incr_relobj::do_section_flags): New function.
893         (Sized_incr_relobj::do_section_entsize): New function.
894         (Sized_incr_relobj::do_section_address): New function.
895         (Sized_incr_relobj::do_section_type): New function.
896         (Sized_incr_relobj::do_section_link): New function.
897         (Sized_incr_relobj::do_section_info): New function.
898         (Sized_incr_relobj::do_section_addralign): New function.
899         (Sized_incr_relobj::do_initialize_xindex): New function.
900         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
901         (Sized_incr_relobj::do_read_relocs): New function.
902         (Sized_incr_relobj::do_gc_process_relocs): New function.
903         (Sized_incr_relobj::do_scan_relocs): New function.
904         (Sized_incr_relobj::do_count_local_symbols): New function.
905         (Sized_incr_relobj::do_finalize_local_symbols): New function.
906         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
907         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
908         (Sized_incr_relobj::do_relocate): New function.
909         (Sized_incr_relobj::do_set_section_offset): New function.
910         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
911         (Sized_incr_dynobj::do_read_symbols): New function.
912         (Sized_incr_dynobj::do_layout): New function.
913         (Sized_incr_dynobj::do_add_symbols): New function.
914         (Sized_incr_dynobj::do_should_include_member): New function.
915         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
916         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
917         (Sized_incr_dynobj::do_section_size): New function.
918         (Sized_incr_dynobj::do_section_name): New function.
919         (Sized_incr_dynobj::do_section_contents): New function.
920         (Sized_incr_dynobj::do_section_flags): New function.
921         (Sized_incr_dynobj::do_section_entsize): New function.
922         (Sized_incr_dynobj::do_section_address): New function.
923         (Sized_incr_dynobj::do_section_type): New function.
924         (Sized_incr_dynobj::do_section_link): New function.
925         (Sized_incr_dynobj::do_section_info): New function.
926         (Sized_incr_dynobj::do_section_addralign): New function.
927         (Sized_incr_dynobj::do_initialize_xindex): New function.
928         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
929         (make_sized_incremental_object): New function.
930         (Incremental_library::copy_unused_symbols): New function.
931         (Incremental_library::do_for_all_unused_symbols): New function.
932         * incremental.h (enum Incremental_input_flags): New type.
933         (class Incremental_checker): Remove.
934         (Incremental_input_entry::Incremental_input_entry): Add argument
935         serial number.
936         (Incremental_input_entry::arg_serial): New function.
937         (Incremental_input_entry::set_is_in_system_directory): New function.
938         (Incremental_input_entry::is_in_system_directory): New function.
939         (Incremental_input_entry::arg_serial_): New data member.
940         (Incremental_input_entry::is_in_system_directory_): New data member.
941         (class Script_info): Move here from script.h.
942         (Script_info::Script_info): Add filename parameter.
943         (Script_info::filename): New function.
944         (Script_info::filename_): New data member.
945         (Incremental_script_entry::Incremental_script_entry): Add argument
946         serial number.
947         (Incremental_object_entry::Incremental_object_entry): Likewise.
948         (Incremental_object_entry::add_input_section): Build list of input
949         sections with map to original shndx.
950         (Incremental_object_entry::get_input_section_index): New function.
951         (Incremental_object_entry::shndx_): New data member.
952         (Incremental_object_entry::name_key_): Rename; adjust all refs.
953         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
954         (Incremental_archive_entry::Incremental_archive_entry): Add argument
955         serial number.
956         (Incremental_inputs::report_archive_begin): Likewise.
957         (Incremental_inputs::report_object): Likewise.
958         (Incremental_inputs::report_script): Likewise.
959         (class Incremental_global_symbol_reader): New class.
960         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
961         and store flags and input file type.
962         (Incremental_input_entry_reader::arg_serial): New function.
963         (Incremental_input_entry_reader::type): Extract type from flags.
964         (Incremental_input_entry_reader::is_in_system_directory): New function.
965         (Incremental_input_entry_reader::get_input_section_count): Call
966         accessor function for type.
967         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
968         function for type; adjust size of global symbol entry.
969         (Incremental_input_entry_reader::get_global_symbol_count): Call
970         accessor function for type.
971         (Incremental_input_entry_reader::get_object_count): Likewise.
972         (Incremental_input_entry_reader::get_object_offset): Likewise.
973         (Incremental_input_entry_reader::get_member_count): Likewise.
974         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
975         (Incremental_input_entry_reader::get_member_offset): Likewise.
976         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
977         (Incremental_input_entry_reader::Global_symbol_info): Remove.
978         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
979         (Incremental_input_entry_reader::get_global_symbol_reader): New
980         function.
981         (Incremental_input_entry_reader::get_output_symbol_index): New
982         function.
983         (Incremental_input_entry_reader::type_): Remove.
984         (Incremental_input_entry_reader::flags_): New data member.
985         (Incremental_inputs_reader::input_file_offset): New function.
986         (Incremental_inputs_reader::input_file_index): New function.
987         (Incremental_inputs_reader::input_file): Call input_file_offset.
988         (Incremental_inputs_reader::input_file_at_offset): New function.
989         (Incremental_relocs_reader::get_r_type): Reformat.
990         (Incremental_relocs_reader::get_r_shndx): Reformat.
991         (Incremental_relocs_reader::get_r_offset): Reformat.
992         (Incremental_relocs_reader::data): New function.
993         (Incremental_binary::Incremental_binary): Initialize new data members.
994         (Incremental_binary::check_inputs): Add cmdline parameter.
995         (Incremental_binary::file_is_unchanged): Remove.
996         (Input_reader::arg_serial): New function.
997         (Input_reader::get_unused_symbol_count): New function.
998         (Input_reader::get_unused_symbol): New function.
999         (Input_reader::do_arg_serial): New function.
1000         (Input_reader::do_get_unused_symbol_count): New function.
1001         (Input_reader::do_get_unused_symbol): New function.
1002         (Incremental_binary::input_file_count): New function.
1003         (Incremental_binary::get_input_reader): Change signature to use
1004         index instead of filename.
1005         (Incremental_binary::file_has_changed): New function.
1006         (Incremental_binary::get_input_argument): New function.
1007         (Incremental_binary::get_library): New function.
1008         (Incremental_binary::get_script_info): New function.
1009         (Incremental_binary::init_layout): New function.
1010         (Incremental_binary::reserve_layout): New function.
1011         (Incremental_binary::output_file): New function.
1012         (Incremental_binary::do_check_inputs): New function.
1013         (Incremental_binary::do_file_is_unchanged): Remove.
1014         (Incremental_binary::do_file_has_changed): New function.
1015         (Incremental_binary::do_init_layout): New function.
1016         (Incremental_binary::do_reserve_layout): New function.
1017         (Incremental_binary::do_input_file_count): New function.
1018         (Incremental_binary::do_get_input_reader): Change signature.
1019         (Incremental_binary::input_args_map_): New data member.
1020         (Incremental_binary::library_map_): New data member.
1021         (Incremental_binary::script_map_): New data member.
1022         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1023         new data members.
1024         (Sized_incremental_binary::output_section): New function.
1025         (Sized_incremental_binary::inputs_reader): Add const.
1026         (Sized_incremental_binary::symtab_reader): Add const.
1027         (Sized_incremental_binary::relocs_reader): Add const.
1028         (Sized_incremental_binary::got_plt_reader): Add const.
1029         (Sized_incremental_binary::get_symtab_view): New function.
1030         (Sized_incremental_binary::Inputs_reader): New typedef.
1031         (Sized_incremental_binary::Input_entry_reader): New typedef.
1032         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1033         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1034         (Sized_incremental_binary::do_file_has_changed): New function.
1035         (Sized_incremental_binary::do_init_layout): New function.
1036         (Sized_incremental_binary::do_reserve_layout): New function.
1037         (Sized_input_reader::Inputs_reader): Remove.
1038         (Sized_input_reader::Input_entry_reader): Remove.
1039         (Sized_input_reader::do_arg_serial): New function.
1040         (Sized_input_reader::do_get_unused_symbol_count): New function.
1041         (Sized_input_reader::do_get_unused_symbol): New function.
1042         (Sized_incremental_binary::do_input_file_count): New function.
1043         (Sized_incremental_binary::do_get_input_reader): Change signature;
1044         use index instead of filename.
1045         (Sized_incremental_binary::section_map_): New data member.
1046         (Sized_incremental_binary::input_entry_readers_): New data member.
1047         (class Sized_incr_relobj): New class.
1048         (class Sized_incr_dynobj): New class.
1049         (make_sized_incremental_object): New function.
1050         (class Incremental_library): New class.
1051         * layout.cc (Free_list::num_lists): New static data member.
1052         (Free_list::num_nodes): New static data member.
1053         (Free_list::num_removes): New static data member.
1054         (Free_list::num_remove_visits): New static data member.
1055         (Free_list::num_allocates): New static data member.
1056         (Free_list::num_allocate_visits): New static data member.
1057         (Free_list::init): New function.
1058         (Free_list::remove): New function.
1059         (Free_list::allocate): New function.
1060         (Free_list::dump): New function.
1061         (Free_list::print_stats): New function.
1062         (Layout_task_runner::run): Resize output file for incremental updates.
1063         (Layout::Layout): Initialize new data members.
1064         (Layout::set_incremental_base): New function.
1065         (Layout::init_fixed_output_section): New function.
1066         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1067         incremental updates.
1068         (Layout::create_gold_note): Do not create gold note section for
1069         incremental updates.
1070         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1071         for incremental updates.
1072         (Layout::set_section_offsets): For incremental updates, allocate space
1073         from free list.
1074         (Layout::create_symtab_sections): Layout with offsets relative to
1075         start of section; for incremental updates, allocate space from free
1076         list.
1077         (Layout::create_shdrs): For incremental updates, allocate space from
1078         free list.
1079         (Layout::finish_dynamic_section): For incremental updates, do not
1080         check --as-needed (fixed in subsequent patch).
1081         * layout.h (class Free_list): New class.
1082         (Layout::set_incremental_base): New function.
1083         (Layout::incremental_base): New function.
1084         (Layout::init_fixed_output_section): New function.
1085         (Layout::allocate): New function.
1086         (Layout::incremental_base_): New data member.
1087         (Layout::free_list_): New data member.
1088         * main.cc (main): Print Free_list statistics.
1089         * object.cc (Relobj::finalize_incremental_relocs): Add
1090         clear_counts parameter; clear counts only when clear_counts is set.
1091         (Sized_relobj::Sized_relobj): Initialize new base class.
1092         (Sized_relobj::do_layout): Don't report special sections.
1093         (Sized_relobj::do_for_all_local_got_entries): New function.
1094         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1095         symtab_off to all symbol table offsets.
1096         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1097         * object.h (class Got_offset_list): Move to top of file.
1098         (Object::Object): Allow case where input_file == NULL.
1099         (Object::~Object): Likewise.
1100         (Object::input_file): Assert that input_file != NULL.
1101         (Object::lock): Allow case where input_file == NULL.
1102         (Object::unlock): Likewise.
1103         (Object::is_locked): Likewise.
1104         (Object::token): Likewise.
1105         (Object::release): Likewise.
1106         (Object::is_incremental): New function.
1107         (Object::get_mtime): New function.
1108         (Object::for_all_local_got_entries): New function.
1109         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1110         (Object::set_is_in_system_directory): New function.
1111         (Object::is_in_system_directory): New function.
1112         (Object::do_is_incremental): New function.
1113         (Object::do_get_mtime): New function.
1114         (Object::do_for_all_local_got_entries): New function.
1115         (Object::is_in_system_directory_): New data member.
1116         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1117         (class Sized_relobj_base): New class.
1118         (class Sized_relobj): Derive from Sized_relobj_base.
1119         (class Sized_relobj::Symbols): Redeclare from base class.
1120         (class Sized_relobj::local_got_offset_list): Remove.
1121         (class Sized_relobj::Output_sections): Redeclare from base class.
1122         (class Sized_relobj::do_for_all_local_got_entries): New function.
1123         (class Sized_relobj::write_local_symbols): Add offset parameter.
1124         (class Sized_relobj::local_symbol_offset_): Update comment.
1125         (class Sized_relobj::local_dynsym_offset_): Update comment.
1126         * options.cc (Input_arguments::add_file): Remove const.
1127         * options.h (Input_file_argument::Input_file_argument):
1128         Initialize arg_serial_ (all constructors).
1129         (Input_file_argument::set_arg_serial): New function.
1130         (Input_file_argument::arg_serial): New function.
1131         (Input_file_argument::arg_serial_): New data member.
1132         (Input_arguments::Input_arguments): Initialize file_count_.
1133         (Input_arguments::add_file): Remove const.
1134         (Input_arguments::number_of_input_files): New function.
1135         (Input_arguments::file_count_): New data member.
1136         (Command_line::number_of_input_files): Call
1137         Input_arguments::number_of_input_files.
1138         * output.cc (Output_segment_headers::Output_segment_headers):
1139         Set current size.
1140         (Output_section::Input_section::current_data_size): New function.
1141         (Output_section::Output_section): Initialize new data members.
1142         (Output_section::add_input_section): Don't do merge sections for
1143         an incremental link; allocate space from free list for an
1144         incremental update.
1145         (Output_section::add_output_section_data): Allocate space from
1146         free list for an incremental update.
1147         (Output_section::update_data_size): New function.
1148         (Output_section::set_fixed_layout): New function.
1149         (Output_section::reserve): New function.
1150         (Output_segment::set_section_addresses): Remove const.
1151         (Output_segment::set_section_list_addresses): Remove const; allocate
1152         space from free list for an incremental update.
1153         (Output_segment::set_offset): Adjust size of RELRO segment for an
1154         incremental update.
1155         * output.h (Output_data::current_data_size): Move here from
1156         child classes.
1157         (Output_data::pre_finalize_data_size): New function.
1158         (Output_data::update_data_size): New function.
1159         (Output_section_headers::update_data_size): new function.
1160         (Output_section_data_build::current_data_size): Move to Output_data.
1161         (Output_data_strtab::update_data_size): New function.
1162         (Output_section::current_data_size): Move to Output_data.
1163         (Output_section::set_fixed_layout): New function.
1164         (Output_section::has_fixed_layout): New function.
1165         (Output_section::reserve): New function.
1166         (Output_section::update_data_size): New function.
1167         (Output_section::has_fixed_layout_): New data member.
1168         (Output_section::free_list_): New data member.
1169         (Output_segment::set_section_addresses): Remove const.
1170         (Output_segment::set_section_list_addresses): Remove const.
1171         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1172         New function.
1173         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1174         New function.
1175         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1176         parameter when calling Add_symbols constructor; store argument
1177         serial number for members of a lib group.
1178         (Add_symbols::locks): Allow case where token == NULL.
1179         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1180         (Read_member::~Read_member): New function.
1181         (Read_member::is_runnable): New function.
1182         (Read_member::locks): New function.
1183         (Read_member::run): New function.
1184         (Check_script::~Check_script): New function.
1185         (Check_script::is_runnable): New function.
1186         (Check_script::locks): New function.
1187         (Check_script::run): New function.
1188         (Check_library::~Check_library): New function.
1189         (Check_library::is_runnable): New function.
1190         (Check_library::locks): New function.
1191         (Check_library::run): New function.
1192         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1193         (Add_symbols::library_): New data member.
1194         (class Read_member): New class.
1195         (class Check_script): New class.
1196         (class Check_library): New class.
1197         * reloc.cc (Read_relocs::is_runnable): Allow case where
1198         token == NULL.
1199         (Read_relocs::locks): Likewise.
1200         (Scan_relocs::locks): Likewise.
1201         (Relocate_task::locks): Likewise.
1202         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1203         to clear counters.
1204         (Sized_relobj::incremental_relocs_scan): Fix comment.
1205         (Sized_relobj::do_relocate): Pass output file offset to
1206         write_local_symbols.
1207         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1208         from class declaration.
1209         * script.cc (read_input_script): Allocate Script_info; pass
1210         argument serial number to report_script.
1211         * script.h (class Script_info): Move to incremental.h.
1212         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1213         * symtab.h (Symbol_table::add_from_incrobj): New function.
1214         (Symbol_table::set_file_offset): New function.
1215
1216 2011-04-05  Cary Coutant  <ccoutant@google.com>
1217
1218         * incremental-dump.cc (dump_incremental_inputs): Change signature
1219         to take a Sized_incremental_binary; change caller.  Use readers
1220         in Sized_incremental_binary.
1221         * incremental.cc
1222         (Sized_incremental_binary::find_incremental_inputs_sections):
1223         Rename do_find_incremental_inputs_sections to this.
1224         (Sized_incremental_binary::setup_readers): New function.
1225         (Sized_incremental_binary::do_check_inputs): Check
1226         has_incremental_info_ flag; move setup code to setup_readers;
1227         use input readers.
1228         (Sized_incremental_binary::do_file_is_unchanged): New function.
1229         (Sized_incremental_binary::do_get_input_reader): New function.
1230         * incremental.h (class Incremental_binary): Move to end of file.
1231         (Incremental_binary::file_is_unchanged): New function.
1232         (Incremental_binary::do_file_is_unchanged): New function.
1233         (Incremental_binary::Input_reader): New class.
1234         (Incremental_binary::get_input_reader): New function.
1235         (class Sized_incremental_binary): Move to end of file.
1236         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1237         input section reader classes.
1238         (Sized_incremental_binary::has_incremental_info): New function.
1239         (Sized_incremental_binary::inputs_reader): New function.
1240         (Sized_incremental_binary::symtab_reader): New function.
1241         (Sized_incremental_binary::relocs_reader): New function.
1242         (Sized_incremental_binary::got_plt_reader): New function.
1243         (Sized_incremental_binary::do_file_is_unchanged): New function.
1244         (Sized_incremental_binary::Sized_input_reader): New class.
1245         (Sized_incremental_binary::get_input_reader): New function.
1246         (Sized_incremental_binary::find_incremental_inputs_sections):
1247         Rename do_find_incremental_inputs_sections to this.
1248         (Sized_incremental_binary::setup_readers): New function.
1249         (Sized_incremental_binary::has_incremental_info_): New data member.
1250         (Sized_incremental_binary::inputs_reader_): New data member.
1251         (Sized_incremental_binary::symtab_reader_): New data member.
1252         (Sized_incremental_binary::relocs_reader_): New data member.
1253         (Sized_incremental_binary::got_plt_reader_): New data member.
1254         (Sized_incremental_binary::current_input_file_): New data member.
1255
1256 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1257
1258         PR gold/12640
1259         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1260         violation.
1261
1262 2011-03-30  Cary Coutant  <ccoutant@google.com>
1263
1264         * archive.cc (Archive::include_member): Adjust call to report_object.
1265         (Add_archive_symbols::run): Add script_info to call to
1266         report_archive_begin.
1267         (Lib_group::include_member): Adjust call to report_object.
1268         (Add_lib_group_symbols::run): Adjust call to report_object.
1269         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1270         blocks.  Add object count for script input files.
1271         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1272         script_info parameter; change all callers.
1273         (Incremental_inputs::report_object): Add script_info parameter;
1274         change all callers.
1275         (Incremental_inputs::report_script): Store backpointer to
1276         incremental info entry.
1277         (Output_section_incremental_inputs::set_final_data_size): Record
1278         additional information for scripts.
1279         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1280         * incremental.h (Incremental_script_entry::add_object): New function.
1281         (Incremental_script_entry::get_object_count): New function.
1282         (Incremental_script_entry::get_object): New function.
1283         (Incremental_script_entry::objects_): New data member; adjust
1284         constructor.
1285         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1286         (Incremental_inputs::report_object): Add script_info parameter.
1287         (Incremental_inputs_reader::get_object_count): New function.
1288         (Incremental_inputs_reader::get_object_offset): New function.
1289         * options.cc (Input_arguments::add_file): Return reference to
1290         new input argument.
1291         * options.h (Input_argument::set_script_info): New function.
1292         (Input_argument::script_info): New function.
1293         (Input_argument::script_info_): New data member; adjust all
1294         constructors.
1295         (Input_file_group::add_file): Return reference to new input argument.
1296         (Input_file_lib::add_file): Likewise.
1297         (Input_arguments::add_file): Likewise.
1298         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1299         * script.cc (Parser_closure::Parser_closure): Add script_info
1300         parameter; adjust all callers.
1301         (Parser_closure::script_info): New function.
1302         (Parser_closure::script_info_): New data member.
1303         (read_input_script): Report scripts earlier to incremental info.
1304         (script_add_file): Set script_info in Input_argument.
1305         (script_add_library): Likewise.
1306         * script.h (Script_options::Script_info): Rewrite class.
1307
1308 2011-03-29  Cary Coutant  <ccoutant@google.com>
1309
1310         * archive.cc (Library_base::should_include_member): Move
1311         method here from class Archive.
1312         (Archive::Archive): Initialize base class.
1313         (Archive::should_include_member): Move to base class.
1314         (Archive::do_for_all_unused_symbols): New function.
1315         (Add_archive_symbols::run): Remove redundant access to
1316         incremental_inputs.
1317         (Lib_group::Lib_group): Initialize base class.
1318         (Lib_group::do_filename): New function.
1319         (Lib_group::include_member): Pass pointer to Lib_group to
1320         report_object.
1321         (Lib_group::do_for_all_unused_symbols): New function.
1322         (Add_lib_group_symbols::run): Report archive information for
1323         incremental links.
1324         * archive.h (class Library_base): New base class.
1325         (class Archive): Derive from Library_base.
1326         (Archive::filename): Move to base class.
1327         (Archive::set_incremental_info): Likewise.
1328         (Archive::incremental_info): Likewise.
1329         (Archive::Should_include): Likewise.
1330         (Archive::should_include_member): Likewise.
1331         (Archive::Armap_entry): Remove.
1332         (Archive::Unused_symbol_iterator): Remove.
1333         (Archive::unused_symbols_begin): Remove.
1334         (Archive::unused_symbols_end): Remove.
1335         (Archive::do_filename): New function.
1336         (Archive::do_get_mtime): New function.
1337         (Archive::do_for_all_unused_symbols): New function.
1338         (Archive::task_): Move to base class.
1339         (Archive::incremental_info_): Likewise.
1340         (class Lib_group): Derive from Library_base.
1341         (Lib_group::do_filename): New function.
1342         (Lib_group::do_get_mtime): New function.
1343         (Lib_group::do_for_all_unused_symbols): New function.
1344         (Lib_group::task_): Move to base class.
1345         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1346         function.
1347         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1348         function.
1349         * incremental.cc (Incremental_inputs::report_archive_begin):
1350         Use Library_base; call library's get_mtime; add incremental inputs
1351         entry before members.
1352         (class Unused_symbol_visitor): New class.
1353         (Incremental_inputs::report_archive_end): Use Library_base; use
1354         visitor class to record unused symbols; don't add incremental inputs
1355         entry after members.
1356         (Incremental_inputs::report_object): Use Library_base.
1357         * incremental.h
1358         (Incremental_archive_entry::Incremental_archive_entry): Remove
1359         unused Archive parameter.
1360         (Incremental_inputs::report_archive_begin): Use Library_base.
1361         (Incremental_inputs::report_archive_end): Likewise.
1362         (Incremental_inputs::report_object): Likewise.
1363         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1364         function.
1365         * object.h (Object::for_all_global_symbols): New function.
1366         (Object::do_for_all_global_symbols): New function.
1367         (Sized_relobj::do_for_all_global_symbols): New function.
1368         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1369         function.
1370         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1371         function.
1372
1373 2011-03-27  Ian Lance Taylor  <iant@google.com>
1374
1375         * archive.cc (Archive::interpret_header): Return -1 if something
1376         goes wrong.  Change callers accordingly.
1377
1378 2011-03-25  Cary Coutant  <ccoutant@google.com>
1379
1380         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1381         * testsuite/Makefile.in: Regenerate.
1382
1383 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1384
1385         * plugin.cc (get_view): New.
1386         (Plugin::load): Pass get_view to the plugin.
1387         (Plugin_manager::get_view): New.
1388
1389 2011-03-21  Ian Lance Taylor  <iant@google.com>
1390
1391         * testsuite/final_layout.sh: Rewrite to not use dc.
1392         * testsuite/relro_test.sh: Fail if dc is not present.
1393
1394 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1395
1396         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1397         Change == to -eq.
1398         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1399         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1400         Change == to -eq.
1401         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1402         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1403
1404 2011-03-14  Ian Lance Taylor  <iant@google.com>
1405
1406         * script-sections.cc (Sort_output_sections::script_compare):
1407         Rename from is_before, change return type.
1408         (Sort_output_sections::operator()): Adjust accordingly.
1409
1410 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1411
1412         PR gold/12572
1413         * testsuite/odr_violation2.cc: Add comment to make all error line
1414         numbers double digits.
1415         * testsuite/debug_msg.sh: Adjust expected errors.
1416
1417 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1418
1419         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1420         but mark earlier ones as non-canonical
1421         (offset_to_iterator): Update search target and example
1422         (do_addr2line): Return extra lines in a vector*
1423         (format_file_lineno): Extract from do_addr2line
1424         (one_addr2line): Add vector* out-param
1425         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1426         when a lineno entry appeared last for its instruction
1427         (Dwarf_line_info): Add vector* out-param
1428         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1429         * symtab.cc (Odr_violation_compare): Include the lineno in the
1430         comparison again.
1431         (linenos_from_loc): New. Combine the canonical line for an
1432         address with its other lines.
1433         (True_if_intersect): New. Helper functor to make
1434         std::set_intersection a query.
1435         (detect_odr_violations): Compare sets of lines instead of just
1436         one line for each function. This became less deterministic, but
1437         has fewer false positives.
1438         * symtab.h: Declarations.
1439         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1440         mix an optimized and non-optimized object in the same binary
1441         (odr_violation2.so): Same.
1442         * testsuite/Makefile.in: Regenerate from Makefile.am.
1443         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1444         * testsuite/debug_msg.sh: Update line numbers and add
1445         assertions.
1446         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1447         non-optimized context.
1448         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1449         isn't inlined, and use OdrDerived in an optimized context.
1450         * testsuite/odr_header1.h: Defines OdrDerived, where
1451         optimization will change the
1452         first-instruction-in-the-destructor's file and line number.
1453         * testsuite/odr_header2.h: Defines OdrBase.
1454
1455 2011-03-09  Ian Lance Taylor  <iant@google.com>
1456
1457         * fileread.cc (File_read::clear_views): Don't delete the whole
1458         file view.
1459
1460 2011-03-08  Ian Lance Taylor  <iant@google.com>
1461
1462         PR gold/12525
1463         * fileread.cc: #include <climits>.
1464         (GOLD_IOV_MAX): Define.
1465         (File_read::read_multiple): Limit number of entries by iov_max.
1466         * fileread.h (class File_read): Always set max_readv_entries to
1467         128.
1468
1469 2011-03-07  Ian Lance Taylor  <iant@google.com>
1470
1471         PR gold/12525
1472         * options.h (class General_options): Add -dy and -dn.
1473
1474 2011-03-02  Cary Coutant  <ccoutant@google.com>
1475
1476         * testsuite/script_test_9.t: Add TLS segment.
1477
1478 2011-03-02  Simon Baldwin  <simonb@google.com>
1479
1480         * configure.ac: Add check for gnu_indirect_function support in
1481         the toolchain building binutils.
1482         * configure: Rebuild.
1483
1484 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1485
1486         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1487         plugin only symbols.
1488         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1489         in plugin files as not needed in the symbol table.
1490
1491 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1492
1493         * output.cc (Output_section::add_input_section): Delay fill
1494         generation for section ordering.
1495
1496 2011-02-09  Ian Lance Taylor  <iant@google.com>
1497
1498         PR gold/12316
1499         * object.h (class Sized_relobj): Remove clear_local_symbols.
1500         * reloc.cc (Sized_relobj::do_relocate): Don't call
1501         clear_local_symbols.
1502
1503 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1504
1505         * plugin.cc (is_visible_from_outside): Return true for symbols
1506         in the -u option.
1507
1508 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1509
1510         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1511         filename.
1512
1513 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1514
1515         * icf.h (is_section_foldable_candidate): Change type of parameter
1516         to std::string.
1517         * icf.cc (Icf::find_identical_sections): Change type of local variable
1518         section_name to be std::string.
1519         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1520
1521 2011-01-25  Ian Lance Taylor  <iant@google.com>
1522
1523         * script.cc (script_add_extern): Rewrite to use
1524         add_symbol_reference.
1525
1526 2011-01-25  Doug Kwan  <dougkwan@google.com>
1527
1528         * icf.cc (get_section_contents): Always lock section's object.
1529
1530 2011-01-24  Ian Lance Taylor  <iant@google.com>
1531
1532         * options.h (class General_options): Accept
1533         --no-detect-odr-violations.
1534
1535 2011-01-24  Ian Lance Taylor  <iant@google.com>
1536
1537         * version.cc (version_string): Bump to 1.11.
1538
1539 2011-01-24  Ian Lance Taylor  <iant@google.com>
1540
1541         * plugin.cc (class Plugin_rescan): Define new class.
1542         (Plugin_manager::claim_file): Set any_claimed_.
1543         (Plugin_manager::save_archive): New function.
1544         (Plugin_manager::save_input_group): New function.
1545         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1546         necessary.
1547         (Plugin_manager::new_undefined_symbol): New function.
1548         (Plugin_manager::rescan): New function.
1549         (Plugin_manager::rescannable_defines): New function.
1550         (Plugin_manager::add_input_file): Set any_added_.
1551         * plugin.h (class Plugin_manager): define new fields rescannable_,
1552         undefined_symbols_, any_claimed_, and any_added_.  Declare
1553         Plugin_rescan as friend.  Declare new functions.
1554         (Plugin_manager::Rescannable): Define type.
1555         (Plugin_manager::Rescannable_list): Define type.
1556         (Plugin_manager::Undefined_symbol_list): Define type.
1557         (Plugin_manager::Plugin_manager): Initialize new fields.
1558         * archive.cc (Archive::defines_symbol): New function.
1559         (Add_archive_symbols::run): Pass archive to plugins if any.
1560         * archive.h (class Archive): Declare defines_symbol.
1561         * readsyms.cc (Input_group::~Input_group): New function.
1562         (Finish_group::run): Pass input_group to plugins if any.
1563         * readsyms.h (class Input_group): Declare destructor.
1564         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1565         any.
1566
1567 2011-01-10  Ian Lance Taylor  <iant@google.com>
1568
1569         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1570         section as relro.
1571         (Layout::set_segment_offsets): Reset increase_relro before calling
1572         set_section_addresses a second time.
1573
1574 2011-01-04  Cary Coutant  <ccoutant@google.com>
1575
1576         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1577         sections before NOBITS sections.
1578
1579 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1580
1581         * version.cc (print_version): Update copyright to 2011.
1582
1583 2010-12-23  Cary Coutant  <ccoutant@google.com>
1584
1585         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1586         of OS to this->add.  Add OD parameter to second form of the function.
1587
1588 2010-12-20  Ian Lance Taylor  <iant@google.com>
1589
1590         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1591         second of two consecutive entries with same offset.
1592
1593 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1594
1595         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1596         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1597         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1598         to avoid unneeded links against $(LDADD).
1599         * testsuite/Makefile.in: Regenerate.
1600
1601 2010-12-15  Ian Lance Taylor  <iant@google.com>
1602
1603         PR gold/12324
1604         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1605         for R_X86_64_32 and R_X86_64_PC32.
1606         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1607         ver_matching_def_pic.o.
1608         (ver_matching_def_pic.o): New target.
1609
1610 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1611
1612         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1613         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1614         Move definition before File_read::View member definitions.
1615         (File_read::View::~View): Initialize and hold lock before
1616         updating current_mapped_bytes.
1617
1618 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1619
1620         * dwarf_reader.cc: Remove outdated comment.
1621         * gold-threads.cc: Fix typo in error message.
1622         * archive.cc: Fix typos in comments.
1623         * archive.h: Likewise.
1624         * arm-reloc-property.cc: Likewise.
1625         * arm-reloc-property.h: Likewise.
1626         * arm-reloc.def: Likewise.
1627         * arm.cc: Likewise.
1628         * attributes.h: Likewise.
1629         * cref.cc: Likewise.
1630         * ehframe.cc: Likewise.
1631         * fileread.h: Likewise.
1632         * gold.h: Likewise.
1633         * i386.cc: Likewise.
1634         * icf.cc: Likewise.
1635         * incremental.h: Likewise.
1636         * int_encoding.cc: Likewise.
1637         * layout.h: Likewise.
1638         * main.cc: Likewise.
1639         * merge.h: Likewise.
1640         * object.cc: Likewise.
1641         * object.h: Likewise.
1642         * options.cc: Likewise.
1643         * readsyms.cc: Likewise.
1644         * reduced_debug_output.cc: Likewise.
1645         * reloc.cc: Likewise.
1646         * script-sections.cc: Likewise.
1647         * sparc.cc: Likewise.
1648         * symtab.h: Likewise.
1649         * target-reloc.h: Likewise.
1650         * target.cc: Likewise.
1651         * target.h: Likewise.
1652         * timer.cc: Likewise.
1653         * timer.h: Likewise.
1654         * x86_64.cc: Likewise.
1655
1656 2010-12-09  Cary Coutant  <ccoutant@google.com>
1657
1658         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1659         stack.
1660         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1661         parameter; change all callers.
1662         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1663         * options.h (warn_execstack): New option.
1664
1665 2010-12-07  Doug Kwan  <dougkwan@google.com>
1666
1667         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1668         like function call relocations.
1669
1670 2010-12-07  Ian Lance Taylor  <iant@google.com>
1671
1672         * archive.cc (Archive::get_elf_object_for_member): Permit
1673         punconfigured to be NULL.
1674         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1675         (Archive::include_member): Pass NULL to get_elf_object_for_member
1676         if we searched for the archive and this is the first included
1677         object.
1678
1679 2010-12-01  Ian Lance Taylor  <iant@google.com>
1680
1681         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1682         track_relocs_type_ field.
1683         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1684         Set track_relocs_type_.
1685         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1686         contents when using RELA relocs.
1687         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1688         reloc_map_.
1689         * reloc.cc (Track_relocs::next_addend): New function.
1690         * reloc.h (class Track_relocs): Declare next_addend.
1691
1692 2010-12-01  Ian Lance Taylor  <iant@google.com>
1693
1694         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1695         virtual destructor.
1696
1697 2010-12-01  Ian Lance Taylor  <iant@google.com>
1698
1699         * README: Update compilers known to work and fail.
1700
1701 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1702
1703         * configure.in: For --enable-gold, handle value `default' instead of
1704         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1705         not the default.
1706         * configure: Regenerate.
1707
1708 2010-11-18  Doug Kwan  <dougkwan@google.com>
1709
1710         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1711         and right_alignment to be zero.  Store result alignment only if it is
1712         greater than existing alignment.
1713
1714 2010-11-16  Cary Coutant  <ccoutant@google.com>
1715
1716         PR gold/12220
1717         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1718         Check for ".zdebug_line".
1719
1720 2010-11-16  Doug Kwan  <dougkwan@google.com>
1721             Cary Coutant  <ccoutant@google.com>
1722
1723         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1724         by reference; adjust all callers.
1725         * output.cc (Output_segment::set_section_addresses): Adjust references
1726         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1727         list is empty.
1728         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1729         end at page boundary.
1730
1731 2010-11-16  Cary Coutant  <ccoutant@google.com>
1732
1733         PR gold/12220
1734         * layout.cc (Layout::choose_output_section): Transform names of
1735         compressed sections even when using a script with a SECTIONS clause.
1736         (Layout::output_section_name): Remove code to transform
1737         compressed debug section names.
1738         * output.cc (Output_section::add_input_section): Use uncompressed
1739         section size when tracking input sections.
1740
1741 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1742
1743         * symtab.h (Symbol::NON_PIC_REF): Remove.
1744         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1745         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1746         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1747         (Symbol::use_plt_offset): Take a flags argument and pass it
1748         directly to needs_dynamic_reloc.  Restrict check for undefined
1749         weak symbols to function calls.
1750         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1751         (Target_arm::Scan::global): Use it.
1752         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1753         (Target_arm::Relocate::relocate): Likewise.
1754         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1755         parameter with an r_type parameter.  Use get_reference_flags
1756         to get the flags.
1757         (Target_arm::Relocate::relocate): Update accordingly.
1758         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1759         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1760         (Target_i386::Scan::global): Likewise.
1761         (Target_i386::Relocate::relocate): Likewise.
1762         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1763         parameter with an r_type parameter.  Use get_reference_flags
1764         to get the flags.
1765         (Target_i386::Relocate::relocate): Update accordingly.
1766         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1767         (Target_powerpc::Scan::global): Use it.
1768         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1769         (Target_powerpc::Relocate::relocate): Likewise.
1770         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1771         (Target_sparc::Scan::global): Use it.
1772         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1773         (Target_sparc::Relocate::relocate): Likewise.
1774         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1775         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1776         (Target_x86_64::Scan::global): Likewise.
1777         (Target_x86_64::Relocate::relocate): Likewise.
1778
1779 2010-11-08  Doug Kwan  <dougkwan@google.com>
1780             Cary Coutant  <ccoutant@google.com>
1781
1782         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1783         (Arm_exidx_merge_section::section_contents_): New data member.
1784         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1785         (Arm_input_section::~Arm_input_section): De-allocate memory.
1786         (Arm_input_section::original_contents_): New data member.       
1787         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1788         in parameters instead of calling Object::section_contents without
1789         locking.
1790         (Arm_output_section::group_section): New parameter TASK.  Pass it
1791         to callees that need locking objects.
1792         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1793         to lock EXIDX input sections.  Fix a formatting issue.  Call
1794         Arm_exidx_merged_section::build_contents to create merged section
1795         contents.
1796         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1797         to lock object of stub table owner.
1798         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1799         TEXT_SIZE to initialize data member TEXT_SIZE_.
1800         (Arm_exidx_input_section::addralign): Fix typo in comment.
1801         (Arm_exidx_input_section::text_size): New method.
1802         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1803         that require locking objects.  Lock objects before scanning for stubs
1804         and updating local symbols.
1805         (Arm_input_section<big_endian>::init): Copy contents of original
1806         input section.
1807         (Arm_input_section<big_endian>::do_write): Use saved contents of
1808         original input section instead of calling Object::section_contents
1809         without locking.
1810         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1811         size without calling Object::section_size().
1812         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1813         for size.  Allocate a buffer for merged EXIDX entries.
1814         (Arm_exidx_merged_section::build_contents): New method.
1815         (Arm_exidx_merged_section::do_write): Move merge section contents
1816         building code to Arm_exidx_merged_section::build_contetns.  Write
1817         out contetns in buffer instead of building it on the fly.
1818         (Arm_relobj::make_exidx_input_section): Also pass text section size
1819         to Arm_exidx_input_section constructor.
1820         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1821         (Arm_dynobj::do_read_symbols): Fix memory leak.
1822         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1823         * target.h: (class Task): Add forward declaration.
1824         (Target::relax): Add new parameter TASK and pass it to
1825         Target::do_relax().
1826         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1827
1828 2010-11-05  Cary Coutant  <ccoutant@google.com>
1829
1830         PR gold/10708
1831         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1832         object when reading from the file.
1833         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1834         second layout pass.
1835         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1836         when reading section contents.
1837         (get_section_contents): Likewise.
1838         (icf::find_identical_sections): Likewise.
1839         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1840         object when reading from the file.
1841         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1842         the object when doing deferred section layout.
1843
1844 2010-11-03  Nick Clifton  <nickc@redhat.com>
1845
1846         PR gold/12001
1847         * script.h (class Symbol_assignment: name): New member.  Returns
1848         the name of the symbol.
1849         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1850         Returns true if the given symbol name is on the list of
1851         assignments wating to be processed.
1852         * archive.cc (should_incldue_member): If the symbol is undefined,
1853         check to see if it is on the list of symbols pending assignment.
1854
1855 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1856
1857         * script-sections.cc (Script_sections::find_memory_region): Check
1858         for a NULL output section pointer.
1859
1860 2010-10-29  Doug Kwan  <dougkwan@google.com>
1861
1862         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1863         Output_section::add_relaxed_input_section.
1864         * output.cc (Output_section::add_relaxed_input_section): Add new
1865         arguments LAYOUT and NAME.  Set section order index.
1866         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1867         Copy section order index.
1868         * output.h (Output_section::add_relaxed_input_section): Add new
1869         arguments LAYOUT and NAME.
1870
1871 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1872
1873         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1874         NATIVE_OR_CROSS_LINKER.
1875         * testsuite/Makefile.in: Regenerate.
1876
1877 2010-10-20  Doug Kwan  <dougkwan@google.com>
1878
1879         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1880         without SHF_LINK_ORDER flags.
1881         * layout.cc (Layout::choose_output_section): Do not filter
1882         SHF_LINK_ORDER flag in a relocatable link.
1883
1884 2010-10-17  Cary Coutant  <ccoutant@google.com>
1885
1886         * output.h (Output_segment::set_section_addresses): Change function
1887         signature.  Update all callers.
1888         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1889         sections.
1890         (Output_segment::set_section_addresses): Align after last TLS
1891         section.  Add padding before last relro section instead of after.
1892
1893 2010-10-17  Doug Kwan  <dougkwan@google.com>
1894
1895         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1896         GOT output section to be writable.
1897
1898 2010-10-14  Cary Coutant  <ccoutant@google.com>
1899
1900         * debug.h (DEBUG_INCREMENTAL): New flag.
1901         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1902         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1903         mode.
1904         * incremental.cc (report_command_line): Ignore all forms of
1905         --incremental.
1906         * layout.cc (Layout::Layout): Check parameters for incremental link
1907         mode.
1908         * options.cc (General_options::parse_incremental): New function.
1909         (General_options::parse_no_incremental): New function.
1910         (General_options::parse_incremental_full): New function.
1911         (General_options::parse_incremental_update): New function.
1912         (General_options::incremental_mode_): New data member.
1913         (General_options::finalize): Check incremental_mode_.
1914         * options.h (General_options): Update help text for --incremental.
1915         Add --no-incremental, --incremental-full, --incremental-update.
1916         (General_options::Incremental_mode): New enum type.
1917         (General_options::incremental_mode): New function.
1918         (General_options::incremental_mode_): New data member.
1919         * parameters.cc (Parameters::incremental_mode_): New data member.
1920         (Parameters::set_options): Set incremental_mode_.
1921         (Parameters::set_incremental_full): New function.
1922         (Parameters::incremental): New function.
1923         (Parameters::incremental_update): New function.
1924         (set_parameters_incremental_full): New function.
1925         * parameters.h (Parameters::set_incremental_full): New function.
1926         (Parameters::incremental): New function.
1927         (Parameters::incremental_update): New function.
1928         (Parameters::incremental_mode_): New data member.
1929         (set_parameters_incremental_full): New function.
1930         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1931         incremental link mode.
1932         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1933         (Sized_relobj::do_relocate_sections): Likewise.
1934         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1935         option.
1936         * testsuite/Makefile.in: Regenerate.
1937         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1938
1939 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1940
1941         * script-sections.h (class Script_sections): Make
1942         Sections_elements typedef public.
1943         * script-sections.cc (class Sort_output_sections): Add elements_
1944         field.  Add constructor which sets it; change all callers.
1945         (Sort_output_sections::is_before): New function.
1946         (Sort_output_sections::operator()): Call is_before.
1947         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1948         conditional.
1949         * testsuite/script_test_10.sh: New test. Test script section
1950         order.
1951         * testsuite/script_test_10.t: Likewise.
1952         * testsuite/script_test_10.s: Likewise.
1953         * testsuite/Makefile.am: Wrap the cross linker tests and the
1954         common tests into NATIVE_OR_CROSS_LINKER.
1955         (check_SCRIPTS): Add script_test_10.sh.
1956         (check_DATA): Add script_test_10.stdout.
1957         (script_test_10.o, script_test_10): New targets.
1958         (script_test_10.stdout): New target.
1959         * configure, testsuite/Makefile.in: Regenerate.
1960
1961 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1962
1963         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1964         error for the deprecated relocations.
1965         (Target_arm::Scan::global): Likewise.
1966         (Target_arm::Relocate::relocate): Likewise.
1967
1968 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1969
1970         * fileread.cc (Input_file::find_file): Initialize *found_name
1971         and *namep when using the fallback search for case 4.
1972
1973 2010-10-11  Cary Coutant  <ccoutant@google.com>
1974
1975         * options.h (class General_options): Redefine -z lazy as an alias for
1976         the negation of -z now.
1977
1978 2010-10-11  Ian Lance Taylor  <iant@google.com>
1979
1980         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1981         binding.
1982
1983 2010-10-06  Nick Clifton  <nickc@redhat.com>
1984
1985         * script-sections.cc(class Memory_region): Remove
1986         current_lma_offset_ field.  Rename current_vma_offset_ to
1987         current_offset_.  Add last_section_ field.
1988         (Memory_region::get_current_vma_address): Rename to
1989         get_current_address.
1990         (Memory_region::get_current_lma_address): Delete.
1991         (Memory_region::increment_vma_offset): Rename to
1992         increment_offset.
1993         (Memory_region::increment_lma_offset): Delete.
1994         (Memory_region::attributes_compatible): New method.  Returns
1995         true if the provided section is compatible with the region.
1996         (Memory_region::get_last_section): New method.  Returns the last
1997         section to use the region.
1998         (Memory_region::set_last_section): New method.  Stores the last
1999         section to use the region.
2000         (Script_sections::block_in_region): New method.  Returns true if
2001         a block of memory is contained within a region.
2002         (Script_sections::find_memory_region): New method.  Locates a
2003         memory region to be used to set a VMA or LMA address.
2004         (Output_section_definition::set_section_addresses): Add code to
2005         check for addresses set by memory regions.
2006         (Output_segment::set_section_addresses): Remove memory region
2007         walking code.
2008         (Script_sections::create_segment): Add a warning if a header
2009         segment is created outside of any region.
2010         * script-sections.h (class Script_sections): Add prototypes for
2011         find_memory_region and block_in_region methods.
2012         * testsuite/memory_test.s: Use .long instead of .word.
2013         * testsuite/memory_test.t: Add some more output sections.
2014         * testsuite/memory_test.sh: Update expected output.
2015
2016 2010-10-02  Doug Kwan  <dougkwan@google.com>
2017
2018         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2019         defintion to symtab.h
2020         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2021         declaration to defintion.
2022
2023 2010-10-01  Nick Clifton  <nickc@redhat.com>
2024
2025         * expression.cc (eval): Replace dummy argument with NULL.
2026         (eval_maybe_dot): Check for a NULL result section pointer.
2027         (Symbol_expression::value): Likewise.
2028         (Dot_expression::value): Likewise.
2029         (BINARY_EXPRESSION): Likewise.
2030         (Max_expression::value): Likewise.
2031         (Min_expression::value): Likewise.
2032         (Absolute_expression::value): Likewise.
2033         (Addr_expression::value_from_output_section): Likewise.
2034         (Loaddddr_expression::value_from_output_section): Likewise.
2035         (Segment_start_expression::value): Likewise.
2036         * script-sections.cc
2037         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2038         argument with NULL.
2039         (Sections_elememt_dot_assignment::set_section_addresses):
2040         Likewise.
2041         (Output_data_expression::do_write_to_buffer): Likewise.
2042         (Output_section_definition::finalize_symbols): Likewise.
2043         (Output_section_definition::set_section_addresses): Likewise.
2044
2045 2010-09-30  Doug Kwan  <dougkwan@google.com>
2046
2047         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2048
2049 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2050
2051         * target.h (Target::can_icf_inline_merge_sections): New virtual
2052         function.
2053         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2054         virtual function.
2055         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2056         virtual function.
2057         * icf.cc (get_section_contents): Inline merge sections only when
2058         target allows it.
2059
2060 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2061
2062         * configure: Regenerate.
2063
2064 2010-09-17  Ian Lance Taylor  <iant@google.com>
2065
2066         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2067         * testsuite/Makefile.am (memory_test.o): New target.
2068         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2069         memory_test.t.
2070         * testsuite/Makefile.in: Rebuild.
2071
2072 2010-09-17  Doug Kwan  <dougkwan@google.com>
2073
2074         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2075         defintion if relocation uses GOT entries of the symbol.
2076         * testsuite/icf_safe_test.sh: Fix test.
2077         * testsuite/icf_safe_so_test.sh: Fix test.
2078
2079 2010-09-16  Cary Coutant  <ccoutant@google.com>
2080
2081         * script_sections.cc (class Memory_region): Remove "NULL" from
2082         vector initializations.
2083
2084 2010-09-15  Cary Coutant  <ccoutant@google.com>
2085
2086         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2087         Resolve forwarding symbols.
2088
2089 2010-09-15  Doug Kwan  <dougkwan@google.com>
2090
2091         * gold/testsuite/script_test_3.t: Add ARM special sections.
2092         * gold/testsuite/script_test_4.t: Same.
2093         * gold/testsuite/script_test_5.t: Same.
2094         * gold/testsuite/script_test_6.t: Same.
2095         * gold/testsuite/script_test_7.t: Same.
2096         * gold/testsuite/script_test_7.t: Same.
2097         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2098
2099 2010-09-14  Cary Coutant  <ccoutant@google.com>
2100
2101         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2102         (Target_x86_64::Relocate::relocate_tls): Replace check for
2103         saw_tls_block_reloc_ with test for executable section.
2104
2105 2010-09-12  Cary Coutant  <ccoutant@google.com>
2106
2107         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2108         position-independent executables to shared libraries need dynamic
2109         relocations.
2110         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2111         position-independent executables.
2112         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2113         * testsuite/Makefile.in: Regenerate.
2114
2115 2010-09-10  Nick Clifton  <nickc@redhat.com>
2116
2117         PR gold/11997
2118         * testsuite/memory_test.t: Discard any sections that are not
2119         needed.
2120
2121 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2122
2123         PR gold/11996
2124         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2125         "This::" to work around a bug in gcc 4.2.
2126
2127         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2128
2129 2010-09-09  Rafael Espindola  <espindola@google.com>
2130
2131         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2132         sections with different PF_X flags in the same segment.
2133         (Layout::find_first_load_seg): Search all segments to find the first
2134         one.
2135         * options.h (rosegment): New.
2136
2137 2010-09-08  Rafael Espindola  <espindola@google.com>
2138
2139         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2140
2141 2010-09-08  Doug Kwan  <dougkwan@google.com>
2142
2143         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2144         (Arm_relobj::do_relocate_sections): Add new parameter for output
2145         file to match the parent.
2146         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2147         of local symbols instead of input values.  Update code to track
2148         changes in gold::relocate_section.
2149         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2150         (Sized_relobj::compute_final_local_value_internal): New methods.
2151         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2152         body into private version of Sized_relobj::compute_final_local_value.
2153         Call the inline method.
2154         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2155         merged symbol value if there is one.
2156         (Symbol_value::has_output_value): New method defintiion.
2157         (Sized_relobj::Compute_final_local_value_status): New enum type.
2158         (Sized_relobj::compute_final_local_value): New methods.
2159         (Sized_relobj::compute_final_local_value_internal): New methods.
2160         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2161         and arm_cortex_a8.sh.
2162         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2163         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2164         New tests.
2165         * Makefile.in: Regenerate.
2166         * testsuite/arm_bl_out_of_range.s: Update test.
2167         * testsuite/thumb_bl_out_of_range.s: Ditto.
2168         * testsuite/thumb_blx_out_of_range.s: Ditto.
2169         * testsuite/arm_branch_out_of_range.sh: New file.
2170         * testsuite/arm_cortex_a8.sh: Ditto.
2171         * testsuite/arm_cortex_a8_b.s: Ditto.
2172         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2173         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2174         * testsuite/arm_cortex_a8_bl.s: Ditto.
2175         * testsuite/arm_cortex_a8_blx.s: Ditto.
2176         * testsuite/arm_cortex_a8_local.s: Ditto.
2177         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2178         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2179
2180 2010-09-08  Rafael Espindola  <espindola@google.com>
2181
2182         * Makefile.am (memory_test.stdout): Run readelf with -W.
2183         * Makefile.in: Regenerate.
2184         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2185         64 bit output.
2186
2187 2010-09-08  Rafael Espindola  <espindola@google.com>
2188
2189         * script-sections.cc (Script_sections::add_memory_region): Convert
2190         field precision to int.
2191         * script.cc (script_set_section_region, script_set_section_region):
2192         Convert field precision to int.
2193
2194 2010-09-08  Rafael Espindola  <espindola@google.com>
2195
2196         * arm.cc (do_finalize_sections): Create the __exidx_start and
2197         __exdix_end symbols even when the section is missing.
2198
2199 2010-09-08  Nick Clifton  <nickc@redhat.com>
2200
2201         * README: Remove claim that MEMORY is not supported.
2202         * expression.cc (script_exp_function_origin)
2203         (script_exp_function_length): Move from here to ...
2204         * script.cc: ... here.
2205         (script_set_section_region, script_add_memory)
2206         (script_parse_memory_attr, script_include_directive): New
2207         functions.
2208         * script-sections.cc
2209         (class Memory_region): New class.
2210         (class Output_section_definition): Add set_memory_region,
2211         set_section_vma, set_section_lma and get_section_name methods.
2212         (class Script_Sections): Add add_memory_region,
2213         find_memory_region, find_memory_region_origin,
2214         find_memory_region_length and set_memory_region methods.
2215         Have set_section_addresses method walk the list of set memory
2216         regions.
2217         Extend the print methos to display memory regions.
2218         * script-sections.h: Add prototypes for new methods.
2219         Add enum for MEMORY region attributes.
2220         * yyscript.y: Add support for parsing MEMORY regions.
2221         * script-c.h: Add prototypes for new functions.
2222         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2223         * testsuite/Makefile.in: Regenerate.
2224         * testsuite/memory_test.sh: New script.
2225         * testsuite/memory_test.s: New assembler source file.
2226         * testsuite/memory_test.t: New linker script.
2227
2228 2010-08-27  Doug Kwan  <dougkwan@google.com>
2229
2230         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2231         reference override an existing dynamic weak reference.
2232         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2233         * testsuite/Makefile.in: Regenerate.
2234         * testsuite/dyn_weak_ref.sh: New file.
2235         * testsuite/dyn_weak_ref_1.c: Ditto.
2236         * testsuite/dyn_weak_ref_2.c: Ditto.
2237
2238 2010-08-27  Ian Lance Taylor  <iant@google.com>
2239
2240         * incremental.h (class Incremental_input_entry): Add virtual
2241         destructor.
2242
2243 2010-08-27  Ian Lance Taylor  <iant@google.com>
2244
2245         * testsuite/start_lib_test_3.c: Mark t3 as used.
2246
2247 2010-08-27  Nick Clifton  <nickc@redhat.com>
2248
2249         * options.cc (version_script): Fix small typo in previous
2250         whitespace tidyup.
2251
2252 2010-08-25  Nick Clifton  <nickc@redhat.com>
2253
2254         * archive.cc: Formatting fixes: Remove whitespace between
2255         typename and following asterisk.  Remove whitespace between
2256         function name and opening parenthesis.
2257         * archive.h: Likewise.
2258         * arm.cc: Likewise.
2259         * attributes.cc: Likewise.
2260         * attributes.h: Likewise.
2261         * common.cc: Likewise.
2262         * copy-relocs.cc: Likewise.
2263         * dirsearch.h: Likewise.
2264         * dynobj.cc: Likewise.
2265         * ehframe.cc: Likewise.
2266         * ehframe.h: Likewise.
2267         * expression.cc: Likewise.
2268         * fileread.cc: Likewise.
2269         * fileread.h: Likewise.
2270         * gc.h: Likewise.
2271         * gold-threads.cc: Likewise.
2272         * gold.cc: Likewise.
2273         * i386.cc: Likewise.
2274         * icf.h: Likewise.
2275         * incremental-dump.cc: Likewise.
2276         * incremental.cc: Likewise.
2277         * layout.cc: Likewise.
2278         * layout.h: Likewise.
2279         * main.cc: Likewise.
2280         * merge.cc: Likewise.
2281         * merge.h: Likewise.
2282         * object.cc: Likewise.
2283         * object.h: Likewise.
2284         * options.cc: Likewise.
2285         * options.h: Likewise.
2286         * output.cc: Likewise.
2287         * output.h: Likewise.
2288         * plugin.cc: Likewise.
2289         * plugin.h: Likewise.
2290         * powerpc.cc: Likewise.
2291         * reloc.cc: Likewise.
2292         * script-c.h: Likewise.
2293         * script-sections.cc: Likewise.
2294         * script.cc: Likewise.
2295         * stringpool.cc: Likewise.
2296         * symtab.cc: Likewise.
2297         * symtab.h: Likewise.
2298         * target.cc: Likewise.
2299         * timer.cc: Likewise.
2300         * timer.h: Likewise.
2301         * version.cc: Likewise.
2302         * x86_64.cc: Likewise.
2303
2304 2010-08-24  Nick Clifton  <nickc@redhat.com>
2305
2306         PR 11899
2307         * layout.cc (segment_precedes): Sort segments by their physical
2308         addresses, if they have been set.
2309
2310 2010-08-23  Cary Coutant  <ccoutant@google.com>
2311
2312         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2313         symbols data.
2314         (Lib_group::include_member): Unlock object after deleting its
2315         symbols data.
2316         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2317         the bug fixed here.
2318
2319 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2320             Cary Coutant  <ccoutant@google.com>
2321
2322         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2323         constructor, and set_blocker.
2324         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2325         readsyms_blocker_.
2326         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2327         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2328         * testsuite/Makefile.am (start_lib_test): New test case.
2329         * testsuite/Makefile.in: Regenerate.
2330         * testsuite/start_lib_test_main.c: New file.
2331         * testsuite/start_lib_test_1.c: New file.
2332         * testsuite/start_lib_test_2.c: New file.
2333         * testsuite/start_lib_test_3.c: New file.
2334
2335 2010-08-19  Ian Lance Taylor  <iant@google.com>
2336
2337         * Makefile.in: Rebuild with automake 1.11.1.
2338         * aclocal.m4: Likewise.
2339         * testsuite/Makefile.in: Likewise.
2340
2341 2010-08-19  Ian Lance Taylor  <iant@google.com>
2342
2343         PR 10893
2344         * i386.cc (class Output_data_plt_i386): Update declarations.
2345         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2346         local_ifuncs_ fields.
2347         (Target_i386::do_plt_section_for_global): New function.
2348         (Target_i386::do_plt_section_for_local): New function.
2349         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2350         parameter; change all callers.  Initialize global_ifuncs_ and
2351         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2352         __rel_iplt_end.
2353         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2354         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2355         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2356         symbols.
2357         (Target_i386::make_plt_section): New function, broken out of
2358         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2359         (Target_i386::make_plt_entry): Call make_plt_section.
2360         (Target_i386::make_local_ifunc_plt_entry): New function.
2361         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2362         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2363         R_386_IRELATIVE to switch.
2364         (Target_i386::Scan::global): Likewise.
2365         (Target_i386::Relocate::relocate): Likewise.
2366         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2367         switch.
2368         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2369         (Target_x86_64::do_plt_section_for_global): New function.
2370         (Target_x86_64::do_plt_section_for_local): New function.
2371         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2372         parameter; change all callers.  If doing a static link define
2373         __rela_iplt_start and __rela_iplt_end.
2374         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2375         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2376         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2377         to point to .plt.
2378         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2379         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2380         switch.
2381         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2382         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2383         R_X86_64_IRELATIVE to switch.
2384         (Target_x86_64::Scan::global): Likewise.
2385         (Target_x86_64::Relocate::relocate): Likewise.
2386         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2387         switch.
2388         * target.h (class Target): Add plt_section_for_global and
2389         plt_section_for_local functions.  Add do_plt_section_for_global
2390         and do_plt_section_for_local virtual functions.
2391         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2392         clarifying comments.
2393         (Symbol::use_plt_offset): Handle IFUNC symbol.
2394         * object.cc (Sized_relobj::Sized_relobj): Initialize
2395         local_plt_offsets_.
2396         (Sized_relobj::local_has_plt_offset): New function.
2397         (Sized_relobj::local_plt_offset): New function.
2398         (Sized_relobj::set_local_plt_offset): New function.
2399         (Sized_relobj::do_count): Handle IFUNC symbol.
2400         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2401         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2402         is_ifunc_symbol functions.
2403         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2404         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2405         local_plt_offsets_ field.
2406         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2407         * output.h (class Output_section_data): Add non-const
2408         output_section function.
2409         (class Output_data_got): Update declarations.
2410         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2411         Add use_plt_offset parameter to global and local constructors.
2412         Change all callers.  Change local_sym_index_ field to 31 bits.
2413         Change GSYM_CODE and CONSTANT_CODE accordingly.
2414         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2415         doing a static link don't set sh_link field.
2416         (Output_data_got::Got_entry::write): Use PLT offset if
2417         appropriate.
2418         (Output_data_got::add_global_plt): New function.
2419         (Output_data_got::add_local_plt): New function.
2420         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2421         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2422         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2423         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2424         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2425         IFUNC conditional.
2426         * testsuite/ifunc-sel.h: New file.
2427         * testsuite/ifuncmain1.c: New file.
2428         * testsuite/ifuncmain1vis.c: New file.
2429         * testsuite/ifuncmod1.c: New file.
2430         * testsuite/ifuncdep2.c: New file.
2431         * testsuite/ifuncmain2.c: New file.
2432         * testsuite/ifuncmain3.c: New file.
2433         * testsuite/ifuncmod3.c: New file.
2434         * testsuite/ifuncmain4.c: New file.
2435         * testsuite/ifuncmain5.c: New file.
2436         * testsuite/ifuncmod5.c: New file.
2437         * testsuite/ifuncmain6pie.c: New file.
2438         * testsuite/ifuncmod6.c: New file.
2439         * testsuite/ifuncmain7.c: New file.
2440         * configure, testsuite/Makefile.in: Rebuild.
2441
2442 2010-08-18  Ian Lance Taylor  <iant@google.com>
2443
2444         * incremental.cc
2445         (Output_section_incremental_inputs::write_input_files): Add cast
2446         to avoid signed/unsigned comparison warning.
2447         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2448
2449 2010-08-12  Cary Coutant  <ccoutant@google.com>
2450
2451         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2452
2453 2010-08-13  Ian Lance Taylor  <iant@google.com>
2454
2455         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2456
2457 2010-08-12  Cary Coutant  <ccoutant@google.com>
2458             Doug Kwan  <dougkwan@google.com>
2459
2460         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2461         defintion overrides non-weak undef, remember that the original undef
2462         is not weak.
2463         * symtab.cc (Symbol_table::sized_write_global): For undef without
2464         an original weak binding, set binding to global in output.
2465         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2466         * testsuite/Makefile.in: Regenerate.
2467         * testsuite/strong_ref_weak_def.sh: New file.
2468         * testsuite/strong_ref_weak_def_1.c: Ditto.
2469         * testsuite/strong_ref_weak_def_2.c: Ditto.
2470
2471 2010-08-12  Cary Coutant  <ccoutant@google.com>
2472
2473         * testsuite/incremental_test.sh: Rewrite.
2474         * testsuite/incremental_test_1.c: Rewrite.
2475         * testsuite/incremental_test_2.c: Rewrite.
2476
2477 2010-08-12  Cary Coutant  <ccoutant@google.com>
2478
2479         * arm.cc (Target_arm::got_size): Add const.
2480         (Target_arm::got_entry_count): New function.
2481         (Target_arm::plt_entry_count): New function.
2482         (Target_arm::first_plt_entry_offset): New function.
2483         (Target_arm::plt_entry_size): New function.
2484         (Output_data_plt_arm::entry_count): New function.
2485         (Output_data_plt_arm::first_plt_entry_offset): New function.
2486         (Output_data_plt_arm::get_plt_entry_size): New function.
2487         * i386.cc (Target_i386::got_size): Add const.
2488         (Target_i386::got_entry_count): New function.
2489         (Target_i386::plt_entry_count): New function.
2490         (Target_i386::first_plt_entry_offset): New function.
2491         (Target_i386::plt_entry_size): New function.
2492         (Output_data_plt_i386::entry_count): New function.
2493         (Output_data_plt_i386::first_plt_entry_offset): New function.
2494         (Output_data_plt_i386::get_plt_entry_size): New function.
2495         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2496         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2497         * incremental.cc: Include target.h.
2498         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2499         parameter.  Adjust all callers.  Find incremental_got_plt section.
2500         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2501         section.
2502         (Output_section_incremental_inputs::set_final_data_size): Calculate
2503         size of incremental_got_plt section.
2504         (Output_section_incremental_inputs::do_write): Write the
2505         incremental_got_plt section.
2506         (Got_plt_view_info): New struct.
2507         (Local_got_offset_visitor): New class.
2508         (Global_got_offset_visitor): New class.
2509         (Global_symbol_visitor_got_plt): New class.
2510         (Output_section_incremental_inputs::write_got_plt): New function.
2511         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2512         Add parameter.  Adjust all callers.
2513         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2514         (Incremental_inputs::got_plt_section): New function.
2515         (Incremental_inputs::got_plt_section_): New data member.
2516         (Incremental_got_plt_reader): New class.
2517         * layout.cc (Layout::create_incremental_info_sections): Add the
2518         incremental_got_plt section.
2519         * object.h (Got_offset_list::get_list): New function.
2520         (Got offset_list::for_all_got_offsets): New function.
2521         (Sized_relobj::local_got_offset_list): New function.
2522         * powerpc.cc (Target_powerpc::got_size): Add const.
2523         (Target_powerpc::got_entry_count): New function.
2524         (Target_powerpc::plt_entry_count): New function.
2525         (Target_powerpc::first_plt_entry_offset): New function.
2526         (Target_powerpc::plt_entry_size): New function.
2527         (Output_data_plt_powerpc::entry_count): New function.
2528         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2529         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2530         * sparc.cc (Target_sparc::got_size): Add const.
2531         (Target_sparc::got_entry_count): New function.
2532         (Target_sparc::plt_entry_count): New function.
2533         (Target_sparc::first_plt_entry_offset): New function.
2534         (Target_sparc::plt_entry_size): New function.
2535         (Output_data_plt_sparc::entry_count): New function.
2536         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2537         (Output_data_plt_sparc::get_plt_entry_size): New function.
2538         * symtab.h (Symbol::got_offset_list): New function.
2539         (Symbol_table::for_all_symbols): New function.
2540         * target.h (Sized_target::got_entry_count): New function.
2541         (Sized_target::plt_entry_count): New function.
2542         (Sized_target::plt_entry_size): New function.
2543         * x86_64.cc (Target_x86_64::got_size): Add const.
2544         (Target_x86_64::got_entry_count): New function.
2545         (Target_x86_64::plt_entry_count): New function.
2546         (Target_x86_64::first_plt_entry_offset): New function.
2547         (Target_x86_64::plt_entry_size): New function.
2548         (Output_data_plt_x86_64::entry_count): New function.
2549         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2550         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2551
2552 2010-08-12  Cary Coutant  <ccoutant@google.com>
2553
2554         * archive.cc: Include incremental.h.
2555         (Archive::Archive): Initialize incremental_info_.
2556         (Archive::include_member): Record archive members in incremental info.
2557         (Add_archive_symbols::run): Record begin and end of an archive in
2558         incremental info.
2559         (Lib_group::include_member): Record objects in incremental info.
2560         * archive.h (Incremental_archive_entry): Forward declaration.
2561         (Archive::set_incremental_info): New member function.
2562         (Archive::incremental_info): New member function.
2563         (Archive::Unused_symbol_iterator): New class.
2564         (Archive::unused_symbols_begin): New member function.
2565         (Archive::unused_symbols_end): New member function.
2566         (Archive::incremental_info_): New data member.
2567         * incremental-dump.cc (find_input_containing_global): New function.
2568         (dump_incremental_inputs): Dump new incremental info sections.
2569         * incremental.cc: Include symtab.h.
2570         (Output_section_incremental_inputs): New class.
2571         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2572         new incremental info sections.
2573         (Sized_incremental_binary::do_check_inputs): Likewise.
2574         (Incremental_inputs::report_archive): Remove.
2575         (Incremental_inputs::report_archive_begin): New function.
2576         (Incremental_inputs::report_archive_end): New function.
2577         (Incremental_inputs::report_object): New function.
2578         (Incremental_inputs::finalize_inputs): Remove.
2579         (Incremental_inputs::report_input_section): New function.
2580         (Incremental_inputs::report_script): Rewrite.
2581         (Incremental_inputs::finalize): Do nothing but finalize string table.
2582         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2583         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2584         (Incremental_inputs::create_data_sections): New function.
2585         (Incremental_inputs::relocs_entsize): New function.
2586         (Output_section_incremental_inputs::set_final_data_size): New function.
2587         (Output_section_incremental_inputs::do_write): New function.
2588         (Output_section_incremental_inputs::write_header): New function.
2589         (Output_section_incremental_inputs::write_input_files): New function.
2590         (Output_section_incremental_inputs::write_info_blocks): New function.
2591         (Output_section_incremental_inputs::write_symtab): New function.
2592         * incremental.h (Incremental_script_entry): Forward declaration.
2593         (Incremental_object_entry): Forward declaration.
2594         (Incremental_archive_entry): Forward declaration.
2595         (Incremental_inputs): Forward declaration.
2596         (Incremental_inputs_header_data): Remove.
2597         (Incremental_inputs_header): Remove.
2598         (Incremental_inputs_header_write): Remove.
2599         (Incremental_inputs_entry_data): Remove.
2600         (Incremental_inputs_entry): Remove.
2601         (Incremental_inputs_entry_write): Remove.
2602         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2603         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2604         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2605         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2606         Likewise.
2607         (Incremental_input_entry): New class.
2608         (Incremental_script_entry): New class.
2609         (Incremental_object_entry): New class.
2610         (Incremental_archive_entry): New class.
2611         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2612         (Incremental_inputs::report_inputs): Remove.
2613         (Incremental_inputs::report_archive): Remove.
2614         (Incremental_inputs::report_archive_begin): New function.
2615         (Incremental_inputs::report_archive_end): New function.
2616         (Incremental_inputs::report_object): Change prototype.
2617         (Incremental_inputs::report_input_section): New function.
2618         (Incremental_inputs::report_script): Change prototype.
2619         (Incremental_inputs::get_reloc_count): New function.
2620         (Incremental_inputs::set_reloc_count): New function.
2621         (Incremental_inputs::create_data_sections): New function.
2622         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2623         (Incremental_inputs::inputs_section): New function.
2624         (Incremental_inputs::symtab_section): New function.
2625         (Incremental_inputs::relocs_section): New function.
2626         (Incremental_inputs::get_stringpool): Add const.
2627         (Incremental_inputs::command_line): Add const.
2628         (Incremental_inputs::inputs): Remove.
2629         (Incremental_inputs::command_line_key): New function.
2630         (Incremental_inputs::input_file_count): New function.
2631         (Incremental_inputs::input_files): New function.
2632         (Incremental_inputs::relocs_entsize): New function.
2633         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2634         (Incremental_inputs::finalize_inputs): Remove.
2635         (Incremental_inputs::Input_info): Remove.
2636         (Incremental_inputs::lock_): Remove.
2637         (Incremental_inputs::inputs_): Change type.
2638         (Incremental_inputs::inputs_map_): Remove.
2639         (Incremental_inputs::current_object_entry_): New data member.
2640         (Incremental_inputs::inputs_section_): New data member.
2641         (Incremental_inputs::symtab_section_): New data member.
2642         (Incremental_inputs::relocs_section_): New data member.
2643         (Incremental_inputs::reloc_count_): New data member.
2644         (Incremental_inputs_reader): New class.
2645         (Incremental_symtab_reader): New class.
2646         (Incremental_relocs_reader): New class.
2647         * layout.cc (Layout::finalize): Move finalization of incremental info
2648         and creation of incremental info sections to follow finalization of
2649         symbol table.  Set offsets for postprocessing sections.
2650         (Layout::create_incremental_info_sections): Call
2651         Incremental_inputs::create_data_sections.  Add incremental symtab
2652         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2653         sections to layout after input sections.
2654         * layout.h (struct Timespec): Forward declaration.
2655         (Layout::incremental_inputs): Add const.
2656         (Layout::create_incremental_info_sections): Add parameter.
2657         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2658         * object.cc: Include incremental.h.
2659         (Relobj::finalize_incremental_relocs): New function.
2660         (Sized_relobj::do_layout): Record input sections in incremental info.
2661         * object.h (Object::output_section): New function.
2662         (Object::output_section_offset): Moved from Relobj.
2663         (Object::get_incremental_reloc_base): New function.
2664         (Object::get_incremental_reloc_count): New function.
2665         (Object::do_output_section): New function.
2666         (Object::do_output_section_offset): Moved from Relobj.
2667         (Object::do_get_incremental_reloc_base): New function.
2668         (Object::do_get_incremental_reloc_count): New function.
2669         (Object::Object): Initialize new data members.
2670         (Relobj::output_section): Renamed do_output_section and moved to
2671         protected.
2672         (Relobj::output_section_offset): Moved to Object.
2673         (Relobj::do_get_incremental_reloc_base): New function.
2674         (Relobj::do_get_incremental_reloc_count): New function.
2675         (Relobj::allocate_incremental_reloc_counts): New function.
2676         (Relobj::count_incremental_reloc): New function.
2677         (Relobj::finalize_incremental_relocs): New function.
2678         (Relobj::next_incremental_reloc_index): New function.
2679         (Relobj::reloc_counts_): New data member.
2680         (Relobj::reloc_bases_): New data member.
2681         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2682         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2683         (Sized_relobj::incremental_relocs_scan): New function.
2684         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2685         (Sized_relobj::incremental_relocs_write): New function.
2686         (Sized_relobj::incremental_relocs_write_reltype): New function.
2687         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2688         incremental link.
2689         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2690         archives and object files elsewhere.
2691         (Add_symbols::run): Report object files here.
2692         (Finish_group::run): Report end of archive at end of group.
2693         * reloc.cc: Include layout.h, incremental.h.
2694         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2695         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2696         (Sized_relobj::incremental_relocs_scan): New function.
2697         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2698         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2699         (Sized_relobj::incremental_relocs_write): New function.
2700         (Sized_relobj::incremental_relocs_write_reltype): New function.
2701         * script.cc (read_input_script): Rewrite test for incremental link.
2702         Change call to Incremental_inputs::report_script.
2703         * symtab.h (Symbol_table::first_global_index): New function.
2704         (Symbol_table::output_count): New function.
2705
2706 2010-08-12  Doug Kwan  <dougkwan@google.com>
2707
2708         * arm.cc (Target_arm::merge_object_attributes): Check command line
2709         options --no-wchar-size-warning and --no-enum-size-warning.
2710         * options.h (General_options): Add ld-compatible options
2711         --no-enum-size-warning and --no-wchar-size-warning.
2712
2713 2010-08-04  Ian Lance Taylor  <iant@google.com>
2714
2715         * x86_64.cc (Target_x86_64::Scan::local): Use
2716         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2717         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2718         (Target_x86_64::Scan::global): Likewise.
2719         (Target_x86_64::Relocate::relocate): Likewise.
2720         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2721         Likewise.
2722
2723 2010-08-03  Cary Coutant  <ccoutant@google.com>
2724
2725         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2726         to reserve space in merged_strings vector. Keep total input size
2727         for stats.
2728         (Output_merge_string::do_print_merge_stats): Print total input size.
2729         * merge.h (Output_merge_string): Add input_size_ field.
2730         * stringpool.cc (Stringpool_template::string_length): Move
2731         implementations out of Stringpool_template class and place in
2732         stringpool.h.
2733         * stringpool.h (string_length): Move out of Stringpool_template.
2734
2735 2010-08-03  Ian Lance Taylor  <iant@google.com>
2736
2737         PR 11712
2738         * layout.cc (relaxation_loop_body): If address of load segment is
2739         set, adjust address to include headers if possible.
2740
2741 2010-08-03  Ian Lance Taylor  <iant@google.com>
2742
2743         * version.cc (version_string): Bump to 1.10.
2744
2745 2010-08-03  Ian Lance Taylor  <iant@google.com>
2746
2747         PR 11805
2748         * layout.h (enum Output_section_order): Define.
2749         (class Layout): Update declarations.
2750         * layout.cc (Layout::get_output_section): Add order parameter.
2751         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2752         is_first_non_relro parameters.  Change all callers.
2753         (Layout::choose_output_section): Likewise.
2754         (Layout::add_output_section_data): Likewise.
2755         (Layout::make_output_section): Likewise.  Set order.
2756         (Layout::default_section_order): New function.
2757         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2758         * output.cc (Output_section::Output_section): Initialize order_.
2759         Don't initialize deleted fields.
2760         (Output_segment::Output_segment): Don't initialize deleted
2761         fields.
2762         (Output_segment::add_output_section_to_load): New function
2763         replacing add_output_section.  Change all callers to call this or
2764         add_output_section_to_nonload.
2765         (Output_segment::add_output_section_to_nonload): New function.
2766         (Output_segment::remove_output_section): Rewrite.
2767         (Output_segment::add_initial_output_data): Likewise.
2768         (Output_segment::has_any_data_sections): Likewise.
2769         (Output_segment::is_first_section_relro): Likewise.
2770         (Output_segment::maximum_alignment): Likewise.
2771         (Output_segment::has_dynamic_reloc): New function replacing
2772         dynamic_reloc_count.  Change all callers.
2773         (Output_segment::has_dynamic_reloc_list): New function replacing
2774         dynamic_reloc_count_list.  Change all callers.
2775         (Output_segment::set_section_addresses): Rewrite.
2776         (Output_segment::set_offset): Rewrite.
2777         (Output_segment::find_first_and_last_list): Remove.
2778         (Output_segment::set_tls_offsets): Rewrite.
2779         (Output_segment::first_section_load_address): Likewise.
2780         (Output_segment::output_section_count): Likewise.
2781         (Output_segment::section_with_lowest_load_address): Likewise.
2782         (Output_segment::write_section_headers): Likewise.
2783         (Output_segment::print_sections_to_map): Likewise.
2784         * output.h (class Output_data): Remove dynamic_reloc_count_
2785         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2786         (Output_data::add_dynamic_reloc): Rewrite.
2787         (Output_data::has_dynamic_reloc): New function.
2788         (Output_data::dynamic_reloc_count): Remove.
2789         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2790         is_last_relro_, is_first_non_relro_, is_interp_,
2791         is_dynamic_linker_section_ fields.  Add order and set_order
2792         functions.  Remove is_relro_local, set_is_relro_local,
2793         is_last_relro, set_is_last_relro, is_first_non_relro,
2794         set_is_first_non_relro functions, is_interp, set_is_interp,
2795         is_dynamic_linker_section, and set_is_dynamic_linker_section
2796         functions.
2797         (class Output_segment): Change Output_data_list from std::list to
2798         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2799         output_bss_ fields.  Update declarations.
2800
2801 2010-08-02  Ian Lance Taylor  <iant@google.com>
2802
2803         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2804         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2805         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2806
2807 2010-08-02  Ian Lance Taylor  <iant@google.com>
2808
2809         PR 11855
2810         * script.cc (Script_options::Script_options): Initialize
2811         symbol_definitions_ and symbol_references_.
2812         (Script_options::add_symbol_assignment): Update
2813         symbol_definitions_ and symbol_references_.
2814         (Script_options::add_symbol_reference): New function.
2815         (script_symbol): New function.
2816         * script.h (class Script_options): Add symbol_definitions_ and
2817         symbol_references_ fields.
2818         (Script_options::referenced_const_iterator): New type.
2819         (Script_options::referenced_begin): New function.
2820         (Script_options::referenced_end): New function.
2821         (Script_options::is_referenced): New function.
2822         (Script_options::any_unreferenced): New function.
2823         * script-c.h (script_symbol): Declare.
2824         * yyscript.y (exp): Call script_symbol.
2825         * symtab.cc: Include "script.h".
2826         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2827         Change all callers.  Check symbols referenced by scripts.
2828         (Symbol_table::add_undefined_symbols_from_command_line): Add
2829         layout parameter.  Change all callers.
2830         (Symbol_table::do_add_undefined_symbols_from_command_line):
2831         Likewise.  Break out loop body.  Check symbols referenced by
2832         scripts.
2833         (Symbol_table::add_undefined_symbol_from_command_line): New
2834         function broken out of
2835         do_add_undefined_symbols_from_command_line.
2836         * symtab.h (class Symbol_table): Update declarations.
2837         * archive.cc: Include "layout.h".
2838         (Archive::should_include_member): Add layout parameter.  Change
2839         all callers.  Check for symbol mentioned in expression.
2840         * archive.h (class Archive): Update declaration.
2841         * object.cc (Sized_relobj::do_should_include_member): Add layout
2842         parameter.
2843         * object.h (Object::should_include_member): Add layout parameter.
2844         Change all callers.
2845         (Object::do_should_include_member): Add layout parameter.
2846         (class Sized_relobj): Update declaration.
2847         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2848         parameter.
2849         * dynobj.h (class Sized_dynobj): Update declaration.
2850         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2851         layout parameter.
2852         * plugin.h (class Sized_pluginobj): Update declaration.
2853
2854 2010-08-02  Ian Lance Taylor  <iant@google.com>
2855
2856         PR 11866
2857         * output.cc (Output_segment::set_offset): Search for the first and
2858         last sections rather than assuming that the list is in order.
2859         (Output_segment::find_first_and_last_list): New function.
2860         * output.h (class Output_segment): Update declarations.
2861         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2862         (relro_strip_test_SOURCES): New variable.
2863         (relro_strip_test_DEPENDENCIES): New variable.
2864         (relro_strip_test_LDFLAGS): New variable.
2865         (relro_strip_test_LDADD): New variable.
2866         (relro_strip_test.so): New target.
2867
2868 2010-08-02  Ian Lance Taylor  <iant@google.com>
2869
2870         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2871         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2872         (Target_i386::got_tlsdesc_section): New function.
2873         (Target_i386::got_section): Create space for GOT entries for
2874         TLSDESC relocations.
2875         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2876         R_386_TLS_GOTDESC.
2877         (Target_i386::Scan::global): Likewise.
2878         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2879         using TLSDESC GOT.
2880         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2881         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2882         (Target_x86_64::got_tlsdesc_section): New function.
2883         (Target_x86_64::got_section): Create space for GOT entries for
2884         TLSDESC relocations.
2885         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2886         R_386_TLS_GOTDESC.
2887         (Target_x86_64::Scan::global): Likewise.
2888         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2889         using TLSDESC GOT.
2890
2891 2010-08-02  Ian Lance Taylor  <iant@google.com>
2892
2893         * testsuite/final_layout.sh: Use dc to convert from hex to
2894         decimal.
2895
2896 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2897
2898         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2899         paramter to the call to gold::gc_process_relocs.
2900         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2901         paramter to the call to gold::gc_process_relocs.
2902         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2903         parameter to the call to gold::gc_process_relocs.
2904         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2905         template parameter to the call to gold::gc_process_relocs.
2906         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2907         paramter to the call to gold::gc_process_relocs.
2908         * gc.h (get_embedded_addend_size): New function.
2909         (gc_process_relocs): Save the size of the reloc for use by ICF.
2910         * icf.cc (get_section_contents): Get the addend from the text section
2911         for SHT_REL relocation sections.
2912         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2913         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2914         * int_encoding.h (read_from_pointer): New overloaded function.
2915         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2916         * testsuite/icf_sht_rel_addend_test.sh: New file.
2917         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2918         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2919
2920 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2921
2922         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2923         * Makefile.in: Regenerate.
2924         * testsuite/Makefile.in: Regenerate.
2925
2926 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2927
2928         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2929         * gold/testsuite/debug_msg.cc: Likewise.
2930         * gold/testsuite/odr_violation1.cc
2931         * gold/testsuite/odr_violation2.cc
2932
2933 2010-07-21  Cary Coutant  <ccoutant@google.com>
2934
2935         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2936         string, and length fields.
2937         (Output_merge_string::Merged_strings_list): New type.
2938         (Output_merge_string::Merged_strings_lists): New typedef.
2939         (Output_merge_string): Replace merged_strings_ with
2940         merged_strings_lists_.
2941         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2942         Merged_strings_list per input object and section.  Don't store pointer
2943         to the string.  Don't store length with each merged string entry.
2944         (Output_merge_string::finalize_merged_data): Loop over list of merged
2945         strings lists.  Recompute length of each merged string.
2946
2947 2010-07-15  Cary Coutant  <ccoutant@google.com>
2948
2949         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2950         here.
2951
2952 2010-07-14  Ian Lance Taylor  <iant@google.com>
2953
2954         * descriptors.cc (Descriptors::open): Report correct name in error
2955         message.
2956
2957 2010-07-13  Doug Kwan  <dougkwan@google.com>
2958
2959         * arm.cc (Arm_input_section::Arm_input_section): For a
2960         SHT_ARM_EXIDX section, always keeps the input sections.
2961         (Arm_input_section::set_exidx_section_link): New method.
2962         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2963         has_errors_ to false.
2964         (Arm_exidx_input_section::has_errors,
2965         Arm_exidx_input_section::set_has_errors): New methods.
2966         (Arm_exidx_input_section::has_errors_): New data member.
2967         (Arm_relobj::get_exidx_shndx_list): New method.
2968         (Arm_output_section::append_text_sections_to_list): Do not skip
2969         section without SHF_EXECINSTR.
2970         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2971         errors.
2972         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2973         section header.  Make error messages more verbose.  Check for
2974         a non-executable section linked to an EXIDX section.
2975         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2976         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2977         check that there is no deferred EXIDX section if we exit early.
2978         Instead of not making an EXIDX section in case of an error, make one
2979         and set the has_errors flag of it.
2980         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2981         in a relocatable link.
2982         (Target_arm::do_relax): Look for the EXIDX output section instead of
2983         assuming that it is called .ARM.exidx.
2984         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2985         section list.  Do not check for SHF_EXECINSTR section flags but
2986         skip any input section with errors.
2987         * output.cc (Output_section::Output_section): Initialize
2988         always_keeps_input_sections_ to false.
2989         (Output_section::add_input_section): Check for
2990         always_keeps_input_sections_.
2991         *  output.h (Output_section::always_keeps_input_sections,
2992         Output_section::set_always_keeps_input_sections): New methods.
2993         (Output_section::always_keeps_input_sections): New data member.
2994
2995 2010-07-13  Rafael Espindola  <espindola@google.com>
2996
2997         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2998         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2999
3000 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3001             Ian Lance Taylor  <iant@google.com>
3002
3003         * output.h (Output_section_lookup_maps::add_merge_section):
3004         Correct check of whether value was inserted.
3005         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3006         (Output_section_lookup_maps::add_relaxed_input_section):
3007         Likewise.
3008         * arm.cc (Target_arm::got_section): Remove used local os.
3009         * i386.cc (Target_i386::got_section): Likewise.
3010         * x86_64.cc (Target_x86_64::got_section): Likewise.
3011         * sparc.cc (Target_sparc::got_section): Likewise.
3012         (Target_sparc::relocate): Remove unused local have_got_offset.
3013         * powerpc.cc (Target_powerpc::relocate): Likewise.
3014
3015 2010-07-13  Ian Lance Taylor  <iant@google.com>
3016
3017         * compressed_output.cc (zlib_decompress): Fix signature in
3018         !HAVE_ZLIB_H case.
3019
3020         * archive.cc (Archive::include_member): Unlock an external member
3021         of a thin archive.  Don't bother to delete an object we know is
3022         NULL.
3023
3024 2010-07-12  Cary Coutant  <ccoutant@google.com>
3025
3026         * compressed_output.cc (zlib_decompress): New function.
3027         (get_uncompressed_size): New function.
3028         (decompress_input_section): New function.
3029         * compressed_output.h (get_uncompressed_size): New function.
3030         (decompress_input_section): New function.
3031         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3032         Handle compressed debug sections.
3033         * layout.cc (is_compressed_debug_section): New function.
3034         (Layout::output_section_name): Map compressed section names to
3035         canonical names.
3036         * layout.h (is_compressed_debug_section): New function.
3037         (is_debug_info_section): Recognize compressed debug sections.
3038         * merge.cc: Include compressed_output.h.
3039         (Output_merge_data::do_add_input_section): Handle compressed
3040         debug sections.
3041         (Output_merge_string::do_add_input_section): Handle compressed
3042         debug sections.
3043         * object.cc: Include compressed_output.h.
3044         (Sized_relobj::Sized_relobj): Initialize new data members.
3045         (build_compressed_section_map): New function.
3046         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3047         * object.h (Object::section_is_compressed): New method.
3048         (Object::do_section_is_compressed): New method.
3049         (Sized_relobj::Compressed_section_map): New type.
3050         (Sized_relobj::do_section_is_compressed): New method.
3051         (Sized_relobj::compressed_sections_): New data member.
3052         * output.cc (Output_section::add_input_section): Handle compressed
3053         debug sections.
3054         * reloc.cc: Include compressed_output.h.
3055         (Sized_relobj::write_sections): Handle compressed debug sections.
3056
3057 2010-07-08  Cary Coutant  <ccoutant@google.com>
3058
3059         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3060         weak when resolving to a dynamic def.
3061         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3062         for weak undef/dynamic def cases. Adjust callers.
3063         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3064         undef_binding_weak_.
3065         (Symbol_table::sized_write_globals): Adjust symbol binding.
3066         (Symbol_table::sized_write_symbol): Add binding parameter.
3067         * symtab.h (Symbol::set_undef_binding): New method.
3068         (Symbol::is_undef_binding_weak): New method.
3069         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3070         (Symbol_table::should_override): Add new parameter.
3071         (Symbol_table::sized_write_symbol): Add new parameter.
3072
3073         * testsuite/weak_undef_file1.cc: Add new test case.
3074         * testsuite/weak_undef_file2.cc: Fix header comment.
3075         * testsuite/weak_undef_test.cc: Add new test case.
3076
3077 2010-06-29  Doug Kwan  <dougkwan@google.com>
3078
3079         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3080         Initialize USE_SYMBOL_.
3081         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3082         definition.
3083         (Arm_reloc_property::uses_symbol_): New data member declaration.
3084         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3085         uses symbol value and symbol is undefined but not weakly undefined.
3086
3087 2010-06-28  Rafael Espindola  <espindola@google.com>
3088
3089         * plugin.cc (Plugin::load): Use dlerror.
3090
3091 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3092
3093         * symtab.cc (detect_odr_violations): When reporting an ODR
3094         violation, report an object where the symbol is defined.
3095
3096 2010-06-25  Doug Kwan  <dougkwan@google.com>
3097
3098         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3099         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3100         definition.
3101         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3102         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3103         target hook to detect function points.
3104         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3105         * icf.h (Icf::check_section_for_function_pointers): Change type of
3106         parameter SECTION_NAME to const reference to std::string.  Use
3107         target hook to determine if section may have unsafe pointers.
3108         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3109         method definition.
3110
3111 2010-06-21  Rafael Espindola  <espindola@google.com>
3112
3113         * fileread.cc (Input_file::find_fie): New
3114         (Input_file::open): Use Input_file::find_fie.
3115         * fileread.h (Input_file::find_fie): New
3116         * plugin.cc (set_extra_library_path): New.
3117         (Plugin::load): Add set_extra_library_path to the transfer vector.
3118         (Plugin_manager::set_extra_library_path): New.
3119         (Plugin_manager::add_input_file): Use the extra search path if set.
3120         (set_extra_library_path(): New.
3121         * plugin.h (Plugin_manager): Add set_extra_library_path and
3122         extra_search_path_.
3123
3124 2010-06-19  Cary Coutant  <ccoutant@google.com>
3125
3126         * layout.cc (gdb_sections): Add .debug_types.
3127         (lines_only_debug_sections): Likewise.
3128
3129 2010-06-18  Rafael Espindola  <espindola@google.com>
3130
3131         * plugin.cc (add_input_file,add_input_library)
3132         (Plugin_manager::add_input_file): Make filename arguments const.
3133         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3134         const.
3135
3136 2010-06-16  Doug Kwan  <dougkwan@google.com>
3137
3138         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3139         .ARM.attributes section if we have not merged any input
3140         attributes sections.
3141
3142 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3143
3144         * arm.cc: Allow combining objects with no EABI version
3145         information.
3146
3147 2010-06-15  Rafael Espindola  <espindola@google.com>
3148
3149         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3150
3151 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3152
3153         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3154         (struct iovec): Correct !HAVE_READV definition.
3155
3156 2010-06-10  Cary Coutant  <ccoutant@google.com>
3157
3158         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3159         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3160         reloc sections.
3161         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3162
3163         PR 11683
3164         * symtab.h (Symbol::is_placeholder): New member function.
3165         * target-reloc.h (relocate_section): Check for placeholder symbols.
3166
3167         * testsuite/Makefile.am (plugin_test_8): New test.
3168         (plugin_test_9): New test.
3169         * testsuite/Makefile.in: Regenerate.
3170
3171 2010-06-09  Nick Clifton  <nickc@redhat.com>
3172
3173         * yyscript.y (input_list_element): Allow strings prefixed with
3174         the '-' character.  Treat these as libraries.
3175         * script.cc (script_add_library): New function.  Adds a library
3176         specified by "-l<name>" found in an input script.
3177         * script-c.h: Add prototype for script_add_library.
3178
3179 2010-06-07  Doug Kwan  <dougkwan@google.com>
3180
3181         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3182         Restrict stub-group size to be within long conditional branch
3183         range when working around cortex-A8 erratum.
3184
3185 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3186
3187         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3188         #ifdef typo.
3189
3190 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3191
3192         PR gold/11658
3193         * output.cc
3194         (Output_section::Input_section_sort_entry::compare_section_ordering):
3195         Change to return non-zero correctly.
3196         (Output_section::Input_section_sort_section_order_index_compare
3197         ::operator()): Change to fix ambiguity in comparisons.
3198
3199 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3200
3201         * gold.h (is_wildcard_string): New function.
3202         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3203         (Layout::layout_eh_frame): Ditto.
3204         (Layout::find_section_order_index): New method.
3205         (Layout::read_layout_from_file): New method.
3206         * layout.h (Layout::find_section_order_index): New method.
3207         (Layout::read_layout_from_file): New method.
3208         (Layout::input_section_position_): New private member.
3209         (Layout::input_section_glob_): New private member.
3210         * main.cc (main): Call read_layout_from_file here.
3211         * options.h (--section-ordering-file): New option.
3212         * output.cc (Output_section::input_section_order_specified_): New
3213         member.
3214         (Output_section::Output_section): Initialize new member.
3215         (Output_section::add_input_section): Add new parameter.
3216         Keep input sections when --section-ordering-file is used.
3217         (Output_section::set_final_data_size): Sort input sections when
3218         section ordering file is specified.
3219         (Output_section::Input_section_sort_entry): Add new parameter.
3220         Check sorting type.
3221         (Output_section::Input_section_sort_entry::compare_section_ordering):
3222         New method.
3223         (Output_section::Input_section_sort_compare::operator()): Change to
3224         consider section_order_index.
3225         (Output_section::Input_section_sort_init_fini_compare::operator()):
3226         Change to consider section_order_index.
3227         (Output_section::Input_section_sort_section_order_index_compare
3228         ::operator()): New method.
3229         (Output_section::sort_attached_input_sections): Change to sort
3230         according to section order when specified.
3231         (Output_section::add_input_section<32, true>): Add new parameter.
3232         (Output_section::add_input_section<64, true>): Add new parameter.
3233         (Output_section::add_input_section<32, false>): Add new parameter.
3234         (Output_section::add_input_section<64, false>): Add new parameter.
3235         * output.h (Output_section::add_input_section): Add new parameter.
3236         (Output_section::input_section_order_specified): New
3237         method.
3238         (Output_section::set_input_section_order_specified): New method.
3239         (Input_section::Input_section): Initialize section_order_index_.
3240         (Input_section::section_order_index): New method.
3241         (Input_section::set_section_order_index): New method.
3242         (Input_section::section_order_index_): New member.
3243         (Input_section::Input_section_sort_section_order_index_compare): New
3244         struct.
3245         (Output_section::input_section_order_specified_): New member.
3246         * script-sections.cc (is_wildcard_string): Delete and move modified
3247         method to gold.h.
3248         (Output_section_element_input::Output_section_element_input): Modify
3249         call to is_wildcard_string.
3250         (Output_section_element_input::Input_section_pattern
3251         ::Input_section_pattern): Ditto.
3252         (Output_section_element_input::Output_section_element_input): Ditto.
3253         * testsuite/Makefile.am (final_layout): New test case.
3254         * testsuite/Makefile.in: Regenerate.
3255         * testsuite/final_layout.cc: New file.
3256         * testsuite/final_layout.sh: New file.
3257
3258 2010-06-01  Rafael Espindola  <espindola@google.com>
3259
3260         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3261
3262 2010-06-01  Rafael Espindola  <espindola@google.com>
3263
3264         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3265         visibility of symbols.
3266
3267 2010-05-27  Doug Kwan  <dougkwan@google.com>
3268
3269         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3270         from start of output section instead of address for a local symbol
3271         in a merged or relaxed section when doing a relocatable link.
3272
3273 2010-05-26  Rafael Espindola  <espindola@google.com>
3274
3275        PR 11604
3276         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3277         adding sections the garbage collector removed.
3278         * gold/testsuite/Makefile.am: Add test.
3279         * gold/testsuite/Makefile.in: Regenerate.
3280         * gold/testsuite/plugin_test_7.sh: New.
3281         * gold/testsuite/plugin_test_7_1.c: New.
3282         * gold/testsuite/plugin_test_7_2.c: New.
3283
3284 2010-05-26  Rafael Espindola  <espindola@google.com>
3285
3286         * script-sections.cc (Output_section_definition::set_section_addresses):
3287         Check for --section-start.
3288
3289 2010-05-26  Doug Kwan  <dougkwan@google.com>
3290
3291         * arm.cc (Arm_scan_relocatable_relocs): New class.
3292         (Target_arm::relocate_special_relocatable): New method.
3293         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3294         (Arm_relocate_functions::thumb_branch_common): Same.
3295         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3296         instead of Default_scan_relocatable_relocs.
3297         * target-reloc.h (relocate_for_relocatable): Let target handle
3298         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3299         * target.h (Sized_target::relocate_special_relocatable): New method.
3300
3301 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3302
3303         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3304
3305 2010-05-23  Doug Kwan  <dougkwan@google.com>
3306
3307         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3308         instead of a cast.
3309         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3310         with a direct branch, not a conditional branch, to a stub.
3311         * merge.cc (Output_merge_base::record_input_section): New method
3312         defintion.
3313         (Output_merge_data::do_add_input_section): Record input section if
3314         keeps-input-sections flag is set.
3315         (Output_merge_string::do_add_input_section): Ditto.
3316         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3317         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3318         INPUT_SECTIONS_.
3319         (Output_merge_base::keeps_input_sections,
3320         Output_merge_base::set_keeps_input_sections,
3321         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3322         method definitions.
3323         (Output_merge_base::Input_sections): New type declaration.
3324         (Output_merge_base::input_sections_begin,
3325         Output_merge_base::input_sections_end,
3326         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3327         (Output_merge_base::bool keeps_input_sections_,
3328         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3329         Output_merge_base::input_sections_): New data members.
3330         (Output_merge_data::do_set_keeps_input_sections): New method
3331         defintion.
3332         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3333         * output.cc (Output_section::Input_section::relobj): Move method
3334         defintion from class declaration to here and handle merge sections.
3335         (Output_section::Input_section::shndx): Ditto.
3336         (Output_section::Output_section): Remove initializations of removed
3337         data members and initialize new data member LOOKUP_MAPS_.
3338         (Output_section::add_input_section): Set keeps-input-sections flag
3339         for a newly created merge output section as appropriate.  Adjust code
3340         to use Output_section_lookup_maps class.
3341         (Output_section::add_relaxed_input_section): Adjst code for lookup
3342         maps code refactoring.
3343         (Output_section::add_merge_input_section): Add a new parameter
3344         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3345         class.  If adding input section to a newly created merge output
3346         section fails, remove the new merge section.
3347         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3348         Adjust code for use of the Output_section_lookup_maps class.
3349         (Output_section::find_merge_section): Ditto.
3350         (Output_section::build_lookup_maps): New method defintion.
3351         (Output_section::find_relaxed_input_section): Adjust code to use
3352         Output_section_lookup_maps class.
3353         (Output_section::get_input_sections): Export merge sections.  Adjust
3354         code to use Output_section_lookup_maps class.
3355         (Output_section:::add_script_input_section): Adjust code to use
3356         Output_section_lookup_maps class.  Update lookup maps for merge
3357         sections also.
3358         (Output_section::discard_states): Use Output_section_lookup_maps.
3359         (Output_section::restore_states): Same.
3360         * output.h (Merge_section_properties): Move class defintion out of
3361         Output_section.
3362         (Output_section_lookup_maps): New class.
3363         (Output_section::Input_section::is_merge_section): New method
3364         defintion.
3365         (Output_section::Input_section::relobj): Move defintion out of class
3366         defintion.  Declare method only.
3367         (Output_section::Input_section::shndx): Ditto.
3368         (Output_section::Input_section::output_merge_base): New method defintion.
3369         (Output_section::Input_section::u2_.pomb): New union field.
3370         (Output_section::Merge_section_by_properties_map,
3371         Output_section::Output_section_data_by_input_section_map,
3372         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3373         Remove types.
3374         (Output_section::add_merge_input_section): Add new parameter
3375         KEEPS_INPUT_SECTIONS.
3376         (Output_section::build_lookup_maps): New method declaration.
3377         (Output_section::merge_section_map_,
3378         Output_section::merge_section_by_properties_map_,
3379         Output_section::relaxed_input_section_map_,
3380         Output_section::is_relaxed_input_section_map_valid_): Remove data
3381         members.
3382         (Output_section::lookup_maps_): New data member.
3383
3384 2010-05-21  Doug Kwan  <dougkwan@google.com>
3385
3386         PR gold/11619
3387         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3388         avoid a compilation error.
3389
3390 2010-05-19  Rafael Espindola  <espindola@google.com>
3391
3392         * script-sections.cc (Output_section_definition::allocate_to_segment):
3393         Update the phdrs_list even when the output section is NULL.
3394         * testsuite/Makefile.am: Add test.
3395         * testsuite/Makefile.in: Regenerate.
3396         * testsuite/script_test_9.cc: New.
3397         * testsuite/script_test_9.sh: New.
3398         * testsuite/script_test_9.t: New.
3399
3400 2010-05-19  Doug Kwan  <dougkwan@google.com>
3401
3402         * arm.cc (Arm_input_section::original_size): New method.
3403         (Arm_input_section::do_addralign): Add a cast.
3404         (Arm_input_section::do_output_offset): Remove static cast.
3405         (Arm_input_section::original_addralign,
3406          Arm_input_section::original_size_): Change type to uint32_t.
3407         (Arm_input_section::init): Add safe casts for section alignment
3408         and size.
3409         (Arm_input_section::set_final_data_size): Do not set address and
3410         offset of stub table.
3411         (Arm_output_section::fix_exidx_coverage): Change use of of
3412         Output_section::Simple_input_section to that of
3413         Output_section::Input_section.
3414         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3415         except for the first pass.
3416         * output.cc (Output_section::get_input_sections): Change type of
3417         input_sections to std::list<Input_section>.
3418         (Output_section::add_script_input_section): Rename from
3419         Output_section::add_simple_input_section.  Change type of SIS
3420         parameter from Simple_input_section to Input_section.
3421         * output.h (Output_section::Simple_input_section): Remove class.
3422         (Output_section::Input_section): Change class visibility to public.
3423         (Output_section::Input_section::addralign): Use stored alignments
3424         for special input sections if set.
3425         (Output_section::Input_section::set_addralign): New method.
3426         (Output_section::get_input_sections): Change parameter type from
3427         list of Simple_input_section to list of Input_section.
3428         (Output_section::add_script_input_section): Rename from
3429         Output_section::add_simple_input_section. Change first parameter's
3430         type from Simple_input_section to Input_section and remove the
3431         second and third parameters.
3432         * script-sections.cc (Input_section::Input_section_list): Change
3433         type to list of Output_section::Input_section/
3434         (Input_section_info::Input_section_info): Change parameter type of
3435         INPUT_SECTION to Output_section::Input_section.
3436         (Input_section_info::input_section): Change return type.
3437         (Input_section_info::input_section_): Change type to
3438         Output_section::Input_section.
3439         (Output_section_element_input::set_section_addresses): Adjust code
3440         to use Output_section::Input_section instead of
3441         Output_section::Simple_input_section.  Adjust code for renaming
3442         of Output_section::add_simple_input_section.
3443         (Orphan_output_section::set_section_addresses): Ditto.
3444
3445 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3446
3447         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3448         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3449
3450 2010-05-18  Rafael Espindola  <espindola@google.com>
3451
3452         * options.cc (General_options::finalize): Handle -nostdlib.
3453         * options.h (nostdlib): New option.
3454         * script.cc (script_add_search_dir): Handle -nostdlib.
3455
3456 2010-05-12  Doug Kwan  <dougkwan@google.com>
3457
3458         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3459         attributes section only if there no attributes section after merging.
3460         (Target_arm::merge_object_attributes): Move value of
3461         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3462         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3463         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3464         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3465         and arm_attr_merge_7.stdout.
3466         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3467         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3468         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3469         arm_attr_merge_7b.o): New rules.
3470         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3471         arm_attr_merge_7
3472         * testsuite/Makefile.in: Regenerate.
3473         * testsuite/arm_attr_merge.sh: New file.
3474         * testsuite/arm_attr_merge_[67][ab].s: Same.
3475
3476 2010-05-05  Nick Clifton  <nickc@redhat.com>
3477
3478         * po/es.po: Updated Spanish translation.
3479
3480 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3481
3482         * Makefile.am (install-exec-local): Properly install gold as
3483         default cross linker.
3484         * Makefile.in: Regenerated.
3485
3486 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3487             Nick Clifton  <nickc@redhat.com>
3488
3489         * configure.ac (install_as_default): Define and set to false
3490         unless --enable-gold or --enable-gold=both/gold has been
3491         specified.
3492         * configure: Regenerate.
3493
3494         * Makefile.am (install-exec-local): Install the executable as
3495         'ld.gold'.  If install_as_default is true then also install it as
3496         'ld'.
3497         * Makefile.in: Regenerated.
3498
3499 2010-04-24  Ian Lance Taylor  <iant@google.com>
3500
3501         * layout.cc (Layout::layout_reloc): In relocatable link don't
3502         combine reloc sections for grouped sections.
3503
3504 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3505
3506         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3507         sections that are not ordinary to icf.
3508         * icf.cc (get_section_contents): Handle relocation pointing to section
3509         with no object or shndx information.
3510         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3511         * testsuite/Makefile.in: Regenerate.
3512         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3513         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3514
3515 2010-04-22  Ian Lance Taylor  <iant@google.com>
3516
3517         * expression.cc (Expression::Expression_eval_info): Add
3518         result_alignment_pointer field.
3519         (Expression::eval_with_dot): Add result_alignment_pointer
3520         parameter.  Change all callers.
3521         (Expression::eval_maybe_dot): Likewise.
3522         (class Binary_expression): Add alignment_pointer parameter to
3523         left_value and right_value.  Change all callers.
3524         (BINARY_EXPRESSION): Set result alignment.
3525         (class Trinary_expression): Add alignment_pointer parameter to
3526         arg2_value and arg3_value.  Change all callers.
3527         (Trinary_cond::value): Set result alignment.
3528         (Max_expression::value, Min_expression::value): Likewise.
3529         (Align_expression::value): Likewise.
3530         * script-sections.cc (class Sections_element): Add dot_alignment
3531         parameter to set_section_addresses virtual function.  Update
3532         instantiations.
3533         (class Output_section_element): Likewise.
3534         (Script_sections::create_segments): Add dot_alignment parameter.
3535         Change all callers.
3536         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3537         (Script_sections::set_phdrs_clause_addresses): Likewise.
3538         * script-sections.h: Update declarations.
3539         * script.h: Update declarations.
3540         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3541         min_p_align.
3542         * testsuite/script_test_3.t: Set large alignment.
3543         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3544         segment has expected alignment.
3545
3546 2010-04-22  Nick Clifton  <nickc@redhat.com>
3547
3548         * po/gold.pot: Updated by the Translation project.
3549         * po/vi.po: Updated Vietnamese translation.
3550
3551 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3552
3553         * testsuite/Makefile.am (check_PROGRAMS): Add
3554         icf_virtual_function_folding_test.
3555         * testsuite/Makefile.in: Regenerated.
3556
3557 2010-04-15  Andrew Haley  <aph@redhat.com>
3558
3559         * options.h (merge_exidx_entries): New option.
3560         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3561         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3562         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3563         (Target_arm::merge_exidx_entries): New function.
3564         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3565         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3566         to Arm_exidx_fixup constructor.
3567         Add new arg, merge_exidx_entries.
3568         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3569         Arm_output_section::fix_exidx_coverage.
3570
3571 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3572
3573         * icf.cc (get_section_contents): Check for preemptible functions.
3574         Ignore addend when appropriate.
3575         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3576         section folded.
3577         (add_from_relobj): Check for section folded.
3578         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3579         * symtab.h (should_add_dynsym_entry): Add new parameter.
3580         * target-reloc.h (scan_relocs): Check for section folded.
3581         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3582         Check reloc types for function pointers in shared objects.
3583         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3584         case.
3585         (icf_preemptible_functions_test): New test case.
3586         (icf_string_merge_test): New test case.
3587         * testsuite.Makefile.in: Regenerate.
3588         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3589         bar_glob.  Refactor code.
3590         * testsuite/icf_preemptible_functions_test.cc: New file.
3591         * testsuite/icf_preemptible_functions_test.sh: New file.
3592         * testsuite/icf_string_merge_test.cc: New file.
3593         * testsuite/icf_string_merge_test.sh: New file.
3594         * testsuite/icf_virtual_function_folding_test.cc: New file.
3595         * testsuite/icf_virtual_function_folding_test.sh: New file.
3596
3597 2010-04-14  Doug Kwan  <dougkwan@google.com>
3598
3599         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3600         for local symbol recounting if we remove a section due to ICF.
3601         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3602         there are no regular objects in input.
3603
3604 2010-04-13  Doug Kwan  <dougkwan@google.com>
3605
3606         * arm.cc (Arm_input_section::set_final_data_size): Compute
3607         accurate final data size instead of using current data size.
3608
3609 2010-04-09  Doug Kwan  <dougkwan@google.com>
3610
3611         * layout.cc (Layout::choose_output_section): Handle script section
3612         types.
3613         (Layout::make_output_section_for_script): Add section type parameter.
3614         Handle script section types.
3615         * layout.h (Layout::make_output_section_for_script): Add section
3616         type parameter.
3617         * output.cc (Output_section::Output_section): Initialize data member
3618         is_noload_.
3619         (Output_section::do_reset_address_and_file_offset): Do not set address
3620         to 0 if section is a NOLOAD section.
3621         * output.h (Output_section::is_noload): New method.
3622         (Output_section::set_is_noload): Ditto.
3623         (Output_section::is_noload_): New data member.
3624         * script-c.h (Script_section_type): New enum type.
3625         (struct Parser_output_section_header): Add new file section_type.
3626         * script-sections.cc (Sections_element::output_section_name): Add
3627         parameter for returning script section type.
3628         (Output_section_definition::output_section_name): Ditto.
3629         (Output_section_definition::section_type)P; New method.
3630         (Output_section_definiton::script_section_type_name): Ditto.
3631         (Output_section_definition::script_section_type_): New data member.
3632         (Output_section_definition::Output_section_definition): Initialize
3633         data member Output_section_definition::script_section_type_.
3634         (Output_section_definition::create_sections): Pass script section type
3635         to Layout::make_output_section_for_script.
3636         (Output_section_definition::output_section_name): Return script
3637         section type to caller.
3638         (Output_section_definition::set_section_address): Do not advance
3639         dot value and load address if section type is NOLOAD.  Set address
3640         of NOLOAD sections regardless of section flags.
3641         (Output_section_definition::print): Print section type if it is
3642         not SCRIPT_SECTION_TYPE_NONE.
3643         (Output_section_definition::section_type): New method.
3644         (Output_section_definition::script_section_type_name): Ditto.
3645         (Script_sections::output_section_name): Add new parameter
3646         PSECTION_TYPE for returning script section type.  Pass it to
3647         section elements.  Handle discard sections.
3648         (Sort_output_sections::operator()): Handle NOLOAD sections.
3649         * script-sections.h (Script_sections::Section_type): New enum type.
3650         (Script_sections::output_section_name): Add a new parameter for
3651         returning script section type.
3652         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3653         INFO and NOLOAD.
3654         * yyscript.y (union): Add new field SECTION_TYPE.
3655         (COPY, DSECT, INFO, NOLOAD): New tokens.
3656         (opt_address_and_section_type): Change type to output_section_header.
3657         (section_type): New non-terminal
3658         (section_header): Handle section type.
3659         (opt_address_and_section_type): Return section type value.
3660
3661 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3662
3663         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3664         * testsuite/plugin_common_test_2.c (foo): Likewise.
3665
3666 2010-04-08  Doug Kwan  <dougkwan@google.com>
3667
3668         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3669         Output_merge_data.
3670         * output.cc (Output_section::add_merge_input_section): Simplify
3671         code and return status of Output_merge_base::add_input_section.
3672         Update merge section map only if Output_merge_base::add_input_section
3673         returns true.
3674
3675 2010-04-07  Doug Kwan  <dougkwan@google.com>
3676
3677         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3678         if section is marked as containing instructions but has no mapping
3679         symbols.
3680         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3681         correct section index.
3682         (Arm_relobj::find_linked_text_section): Ditto.
3683
3684 2010-04-07  Cary Coutant  <ccoutant@google.com>
3685
3686         * archive.cc (include_member): Destroy Read_symbols_data object before
3687         releasing file.
3688         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3689         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3690         (Read_symbols_data::~Read_symbols_data) New destructor.
3691         (Section_relocs::Section_relocs) New constructor.
3692         (Section_relocs::~Section_relocs) New destructor.
3693         (Read_relocs_data::Read_relocs_data) New constructor.
3694         (Read_relocs_data::~Read_relocs_data) New destructor.
3695         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3696         pointers to NULL after deleting.
3697
3698 2010-04-07  Doug Kwan  <dougkwan@google.com>
3699
3700         * arm.cc: Replace "endianity" with "endianness" in comments.
3701         (Arm_exidx_cantunwind): Ditto.
3702         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3703         (Arm_relobj::merge_flags_and_attributes): New method.
3704         (Arm_relobj::merge_flags_and_attributes_): New data member.
3705         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3706         (Arm_relobj::scan_sections_for_stubs): Ditto.
3707         (Arm_relobj::do_read_symbols): Check to see if we really want to
3708         merge processor-specific flags and attributes.  Exit early if
3709         an object is empty except for section names and the undefined symbol.
3710         (Target_arm::do_finalize_sections): Move check for ELF format to
3711         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3712         attributes from a regular object only when we have determined that
3713         it is aapropriate.  Do not create an .ARM.attributes section in
3714         output if there is no regular input object.
3715         (Target_arm::merge_processor_specific_flags): Check
3716         --warn-mismatch before printing any error.
3717         (Target_arm::merge_object_attributes): Ditto.
3718         * gold.cc (queue_middle_tasks): Handle the case in which there is
3719         no regular object in input.
3720         * options.cc (General_options::parse_EB): New method.
3721         (General_options::parse_EL): Same.
3722         (General_options::General_options): Initialize endianness_.
3723         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3724         New options.
3725         (General_options::Endianness): New enum.
3726         (General_options::endianness): New method.
3727         (General_options::endianness_): New data member.
3728         * parameters.cc (Parameters::set_options): Check target endianness.
3729         (Parameters::set_target_once): Ditto.
3730         (Parameters::check_target_endianness): New method.
3731         (parameters_force_valid_target): If either -EL or -EB is specified,
3732         use it to define endianness of default target.
3733         * parameters.h (Parameters::check_target_endianness): New method
3734         declaration.
3735         * target.h (class Target): Change "endianity" to "endianness"
3736         in comments.
3737
3738 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3739
3740         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3741         * configure: Regenerate.
3742         * Makefile.in: Regenerate.
3743         * testsuite/Makefile.in: Regenerate.
3744
3745 2010-04-06  Cary Coutant  <ccoutant@google.com>
3746
3747         gcc PR lto/42757
3748         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3749         prevailing definitions of common symbols.
3750         * testsuite/plugin_test_6.sh: New test case.
3751         * testsuite/plugin_common_test_1.c: New test case.
3752         * testsuite/plugin_common_test_2.c: New test case.
3753         * testsuite/Makefile.am (plugin_test_6): New test case.
3754         * testsuite/Makefile.in: Regenerate.
3755
3756 2010-04-06  Nick Clifton  <nickc@redhat.com>
3757
3758         * po/vi.po: New Vietnamese translation.
3759
3760 2010-03-30  Doug Kwan  <dougkwan@google.com>
3761
3762         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3763
3764 2010-03-25  Doug Kwan  <dougkwan@google.com>
3765
3766         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3767         to avoid a conversion warning on a 32-bit host.
3768
3769 2010-03-24  Ian Lance Taylor  <iant@google.com>
3770
3771         * testsuite/script_test_3.t: Add a TLS segment.
3772         * testsuite/Makefile.am (check_PROGRAMS): Add
3773         tls_phdrs_script_test.
3774         (tls_phdrs_script_test_SOURCES): Define.
3775         (tls_phdrs_script_test_DEPENDENCIES): Define.
3776         (tls_phdrs_script_test_LDFLAGS): Define.
3777         (tls_phdrs_script_test_LDADD): Define.
3778         * testsuite/Makefile.in: Rebuild.
3779
3780 2010-03-23  Cary Coutant  <ccoutant@google.com>
3781
3782         * fileread.cc (find_or_make_view): Fix comment.
3783
3784 2010-03-23  Ian Lance Taylor  <iant@google.com>
3785
3786         * script-sections.cc (class Orphan_section_placement): Define
3787         PLACE_TLS and PLACE_TLS_BSS.
3788         (Orphan_section_placement::Orphan_section_placement): Initialize
3789         new places.
3790         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3791         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3792         (tls_script_test_SOURCES): Define.
3793         (tls_script_test_DEPENDENCIES): Define.
3794         (tls_script_test_LDFLAGS): Define.
3795         (tls_script_test_LDADD): Define.
3796         * testsuite/Makefile.in: Rebuild.
3797
3798 2010-03-22  Doug Kwan  <dougkwan@google.com>
3799
3800         * arm.cc (Arm_relocate_functions::abs8,
3801         Arm_relocate_functions::abs16): Use correct check for overflow
3802         specified in the ARM ELF specs.
3803         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3804         target of a BLX instruction specially.
3805         (Reloc_stub::stub_type_for_reloc): Ditto.
3806         (Relocate::relocate): Use symbolic names instead of numeric relocation
3807         codes to report error.
3808         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3809         workaround.
3810         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3811         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3812         thumb2_blx_out_of_range.stdout
3813         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3814         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3815         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3816         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3817         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3818         thumb2_blx_in_range, thumb2_blx_in_range.o,
3819         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3820         thumb2_blx_out_of_range.o): New rules.
3821         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3822         thumb2_blx_in_range and thumb2_blx_out_of_range.
3823         * testsuite/Makefile.in: Regenerate.
3824         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3825         * testsuite/thumb_blx_in_range.s: New file.
3826         * testsuite/thumb_blx_out_of_range.s: New file.
3827
3828 2010-03-22  Rafael Espindola  <espindola@google.com>
3829
3830         * archive.cc (Should_include): Move to archive.h.
3831         (should_include_member): Make it a member of Archive.
3832         (Lib_group): New.
3833         (Add_lib_group_symbols): New.
3834         * archive.h: Include options.h.
3835         (Archive_member): Moved from Archive.
3836         (Should_include): Moved from archive.cc.
3837         (Lib_group): New.
3838         (Add_lib_group_symbols): New.
3839         * dynobj.cc (do_should_include_member): New.
3840         * dynobj.h (do_should_include_member): New.
3841         * gold.cc (queue_initial_tasks): Update call to queue.
3842         * main.cc (main): Print lib group stats.
3843         * object.cc (do_should_include_member): New.
3844         * object.h: Include archive.h.
3845         (Object::should_include_member): New.
3846         (Object::do_should_include_member): New.
3847         (Sized_relobj::do_should_include_member): New.
3848         * options.cc (General_options::parse_start_lib): New.
3849         (General_options::parse_end_lib): New.
3850         (Input_arguments::add_file): Handle lib groups.
3851         (Input_arguments::start_group): Check we are not in a lib.
3852         (Input_arguments::start_lib): New.
3853         (Input_arguments::end_lib): New.
3854         * options.h (General_options): Add start_lib and end_lib.
3855         (Input_argument::lib_): New.
3856         (Input_argument::lib): New.
3857         (Input_argument::is_lib): New.
3858         (Input_file_lib): New.
3859         (Input_arguments::in_lib_): New.
3860         (Input_arguments::in_lib): New.
3861         (Input_arguments::start_lib): New.
3862         (Input_arguments::end_lib_): New.
3863         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3864         in unused members as preempted.
3865         (Sized_pluginobj::do_should_include_member): New.
3866         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3867         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3868         return the blocker.
3869         (Read_symbols::do_whole_lib_group): New.
3870         (Read_symbols::do_lib_group): New.
3871         (Read_symbols::do_read_symbols): Handle lib groups.
3872         (Read_symbols::get_name): Handle lib groups.
3873         * readsyms.h (Read_symbols): Add an archive member pointer.
3874         (Read_symbols::do_whole_lib_group): New.
3875         (Read_symbols::do_lib_group): New.
3876         (Read_symbols::member_): New.
3877         * script.cc (read_input_script): Update call to queue_soon.
3878
3879 2010-03-19  Doug Kwan  <dougkwan@google.com>
3880
3881         * arm.cc (Stub_table::Stub_table): Initialize new data members
3882         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3883         (Stub_table::add_reloc_stub): Assign stub offset and update
3884         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3885         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3886         New data members.
3887         (Stub_table::update_data_size_and_addralign): Use
3888         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3889         instead of going over all reloc stubs.
3890         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3891         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3892         Stringpool_template::offset_ to size of Stringpool_char.
3893         (Stringpool_template::new_key_offset): Remove code to initialize
3894         Stringpool_template::offset_.
3895         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3896         Stringpool_template::offset_ to zero.
3897
3898 2010-03-15  Doug Kwan  <dougkwan@google.com>
3899
3900         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3901         offset_.
3902         (Stringpool_template::new_key_offset): New method.
3903         (Stringpool_template::add_string): Assign offsets when adding new
3904         strings.
3905         (Stringpool_template::set_string_offsets): Do not set string offsets
3906         when not optimizing.
3907         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3908         member size_.
3909         (Chunked_vector::clear): Clear size_.
3910         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3911         (Chunked_vector::size): Return size_.
3912         (Chunked_vector::push_back): Use size_ to find insert position.
3913         (Chunked_vector::size_): New data member.
3914         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3915         (Stringpool_template::new_key_offset): New method declaration.
3916         (Stringpool_template::offset_): New data member.
3917
3918 2010-03-15   Rafael Espindola  <espindola@google.com>
3919
3920         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3921         Add_symbols' constructor.
3922         * readsyms.h (Add_symbols): Remove the input_group member.
3923
3924 2010-03-10  Ian Lance Taylor  <iant@google.com>
3925
3926         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3927         target to ask whether a reference to a symbol requires a stack
3928         split.
3929         * target.h (Target::is_call_to_non_split): New function.
3930         (Target::do_is_call_to_non_split): Declare virtual function.
3931         * target.cc: Include "symtab.h".
3932         (Target::do_is_call_to_non_split): New function.
3933         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3934
3935 2010-03-10  Cary Coutant  <ccoutant@google.com>
3936
3937         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3938         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3939         (File_read::open[2]): Add whole_file_view_ to list of views.
3940         (File_read::make_view): Remove test of whole_file_view_.
3941         (File_read::find_or_make_view): Create whole_file_view_ if
3942         necessary.
3943         (File_read::clear_views): Replace bool parameter with enum;
3944         adjust all callers.  Don't delete views with permanent data;
3945         do delete cached views and views from archives if
3946         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3947         if clearing the corresponding view.
3948         * fileread.h (File_read::Clear_views_mode): New enum.
3949         (File_read::View::is_permanent_view): New method.
3950         (File_read::clear_views): Replace bool parameter
3951         with enum; adjust all callers.
3952         * options.h (General_options): Change keep_files_mapped option;
3953         add map_whole_files.
3954         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3955         releasing the file.
3956         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3957         the file.
3958
3959 2010-03-10  David S. Miller  <davem@davemloft.net>
3960
3961         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3962
3963 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3964
3965         * icf.cc (get_section_contents): Add '@' marker after processing the
3966         merge reloc.
3967
3968 2010-03-08  Doug Kwan  <dougkwan@google.com>
3969
3970         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3971         due to a conversion warning.
3972         (Arm_relobj::update_output_local_symbol_count): Check for local
3973         symbol with unset output index.
3974
3975 2010-03-05  Ian Lance Taylor  <iant@google.com>
3976
3977         * options.h (class General_options): Add --spare-dynamic-tags.
3978         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3979         --spare-dynamic-tags.
3980
3981 2010-03-05  Ian Lance Taylor  <iant@google.com>
3982
3983         * incremental.cc: Include "libiberty.h".
3984
3985 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3986
3987         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3988         function, is_info_ member.
3989         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3990         (Versions::Versions): Update caller.
3991         (Versions::define_base_version): Likewise.
3992         (Versions::add_def): Likewise.
3993
3994 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3995
3996         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3997         (Scan::possible_function_pointer_reloc): New function.
3998         (Scan::local_reloc_may_be_function_pointer): Change to call
3999         possible_function_pointer_reloc.
4000         (Scan::global_reloc_may_be_function_pointer): Ditto.
4001         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4002         relocations in ".data.rel.ro._ZTV" section.
4003         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4004         * testsuite/icf_safe_so_test.cc: Ditto.
4005         * testsuite/icf_safe_test.cc: Ditto.
4006         * testsuite/icf_safe_test.sh: Ditto.
4007
4008 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4009             Ian Lance Taylor  <iant@google.com>
4010
4011         * target-reloc.h (relocate_section): Check the symbol table index
4012         for -1U before setting the local symbol index.
4013         (scan_relocatable_relocs): If copying the relocation, record that
4014         the local symbol is required.
4015         * object.h (Symbol_value::is_output_symtab_index_set): New
4016         function.
4017         (Symbol_value::may_be_discarded_from_output_symtab): New
4018         function.
4019         (Symbol_value::has_output_symtab_entry): New function.
4020         (Symbol_value::needs_output_symtab_entry): Remove.
4021         (Symbol_value::output_symtab_index): Make sure the symbol index is
4022         set.
4023         (Symbol_value::set_output_symtab_index): Make sure the symbol
4024         index is not set.  Make sure the new index is valid.
4025         (Symbol_value::set_must_have_output_symtab_entry): New function.
4026         (Symbol_value::has_output_dynsym_entry): New function.
4027         (Symbol_value::set_output_dynsym_index): Make sure the new index
4028         is valid.
4029         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4030         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4031         local symbol if permitted.
4032         (Sized_relobj::do_finalize_local_symbols): Call
4033         is_output_symtab_index_set rather than needs_output_symtab_entry.
4034         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4035         rather than needs_output_symtab_entry.  Call
4036         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4037         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4038         is_output_symtab_index_set rather than needs_output_symtab_entry.
4039         * testsuite/discard_locals_relocatable_test.c: New file.
4040         * testsuite/discard_locals_test.sh: Test -r.
4041         * testsuite/Makefile.am (check_DATA): Add
4042         discard_locals_relocatable_test1.syms,
4043         discard_local_relocatable_test2.syms.
4044         (MOSTLYCLEANFILES): Likewise.  Also add
4045         discard_locals_relocatable_test1.lout and
4046         discard_locals_relocatable_test2.out.
4047         (discard_locals_relocatable_test1.syms): New target.
4048         (discard_locals_relocatable_test.o): New target.
4049         (discard_locals_relocatable_test1.out): New target.
4050         (discard_locals_relocatable_test2.syms): New target.
4051         (discard_locals_relocatable_test2.out): New target.
4052         (various): Add missing ../ld-new dependencies.
4053         * testsuite/Makefile.in: Rebuild.
4054
4055 2010-03-03  Nick Clifton  <nickc@redhat.com>
4056
4057         * po/fi.po: New Finnish translation.
4058
4059 2010-03-01  Doug Kwan  <dougkwan@google.com>
4060
4061         * layout.cc (Layout::Layout): Force section types of .init_array*,
4062         .preinit_array* and .fini_array* sections.
4063         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4064         Fix check of return value of std::string::find.().
4065         (Output_section::Input_section_sort_compare::operator()): Remove
4066         comment about .init_array.
4067         (Output_section::Input_section_sort_init_fini_compare::operator()):
4068         New method.
4069         (Output_section::sort_attached_input_sections): Handle .init_array
4070         and .fini_array specially.
4071         * output.h (Output_section::Inut_section_sort_compare): Update
4072         comment.
4073         (Output_section::Input_section_sort_init_fini_compare): New struct.
4074
4075 2010-02-26  Doug Kwan  <dougkwan@google.com>
4076
4077         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4078         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4079         * testsuite/debug_msg.sh: Avoid matching source line number for
4080         use of global variable undef_int.
4081
4082 2010-02-26  Doug Kwan  <dougkwan@google.com>
4083
4084         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4085         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4086         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4087         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4088         * options.cc (General_options::General_options): Initialize member
4089         fix_v4bx_.
4090         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4091         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4092         and rm_no_fix_v4bx.stdout
4093         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4094         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4095         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4096         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4097         and arm_no_fix_v4bx.
4098         * Makefile.in: Regenerate.
4099         * testsuite/arm_fix_v4bx.s: New file.
4100         * testsuite/arm_fix_v4bx.sh: Ditto.
4101
4102 2010-02-24  Doug Kwan  <dougkwan@google.com>
4103
4104         * arm.cc (Target_arm::got_section): Make the .got section the first
4105         non RELRO section in the data segment.
4106         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4107         suffixes of section names.
4108
4109 2010-02-24  Doug Kwan  <dougkwan@google.com>
4110
4111         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4112         flags and attributes merging if an input file is a binary file.
4113         * fileread.cc (Input_file::open): Record format of original file.
4114         * fileread.h (Input_file::Format): New enum type.
4115         (Input_file::Input_file): Initialize data member format_.
4116         (Input_file::format): New method definition.
4117         (Input_file::format_):: New data member.
4118
4119 2010-02-24  Doug Kwan  <dougkwan@google.com>
4120
4121         * arm.cc (Arm_output_data_got): New class.
4122         (ARM_TCB_SIZE): New constant
4123         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4124         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4125         If user uses a script with a SECTIONS clause, issue only a warning
4126         for a misplaced EXIDX input section.  Otherwise, issue an error.
4127         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4128         garbage collection.
4129         (Target_arm::got_mode_index_entry): Handle static linking.
4130         (Target_arm::Scan::local): Ditto.
4131         (Target_arm::Scan::global): Ditto.
4132         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4133         all incorrectly implemented relocations.
4134         (Target_arm::fix_exidx_coverage): Pass layout to
4135         Arm_output_section::fix_exidx_coverage.
4136         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4137         from ".ARM.exidx." and ".ARM.extab.".
4138
4139 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4140
4141         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4142         section if it does not already exist.
4143         * attributes.cc (Attributes_section_data::Attributes_section_data):
4144         Don't crash if size is zero.
4145
4146 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4147             Ian Lance Taylor  <iant@google.com>
4148
4149         * gold.cc (queue_middle_tasks): If no input files were opened,
4150         exit.
4151         * workqueue.h (Task_function::Task_function): Assert that there is
4152         a blocker.
4153
4154 2010-02-22  Doug Kwan  <dougkwan@google.com>
4155
4156         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4157         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4158         types to avoid warnings due to different uint64_t implementations
4159         on different hosts.
4160
4161 2010-02-21  Doug Kwan  <dougkwan@google.com>
4162
4163         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4164         handling of the maximum backward branch offset.
4165         (Arm_relocate_functions::thumb_branch_common): Ditto.
4166         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4167         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4168         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4169         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4170         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4171         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4172         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4173         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4174         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4175         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4176         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4177         thumb2_bl_out_of_range.o): New rules.
4178         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4179         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4180         thumb2_bl_out_of_range
4181         * testsuite/Makefile.in: Regenerate.
4182         * testsuite/arm_bl_in_range.s: New file.
4183         * testsuite/arm_bl_out_of_range.s: Ditto.
4184         * testsuite/arm_branch_in_range.sh: Ditto.
4185         * testsuite/arm_branch_range.t: Ditto.
4186         * testsuite/thumb2_branch_range.t: Ditto.
4187         * testsuite/thumb_bl_in_range.s: Ditto.
4188         * testsuite/thumb_bl_out_of_range.s: Ditto.
4189         * testsuite/thumb_branch_range.t: Ditto.
4190
4191 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4192
4193         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4194         Add reloc offset information.
4195         * icf.cc (get_section_contents): Change iterators to point to the new
4196         vectors. Add reloc offset information to the contents.
4197         * icf.h (Icf::Sections_reachable_info): New typedef.
4198         (Icf::Sections_reachable_list): New typedef.
4199         (Icf::Offset_info): New typedef.
4200         (Icf::Reloc_info): New struct typedef.
4201         (Icf::Reloc_info_list): New typedef.
4202         (Icf::symbol_reloc_list): Delete method.
4203         (Icf::addend_reloc_list): Delete method.
4204         (Icf::section_reloc_list): Delete method.
4205         (Icf::reloc_info_list): New method.
4206         (Icf::reloc_info_list_): New member.
4207
4208 2010-02-19  Doug Kwan  <dougkwan@google.com>
4209
4210         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4211         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4212         * arm.cc (Arm_relocation_functions): New forward declaration.
4213         (Target_arm::Target_arm): Initialize new data members
4214         got_mod_index_offset_ and tls_base_symbol_defined_.
4215         (Target_arm::Relocate::relocate_tls): New method.
4216         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4217          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4218         New methods.
4219         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4220         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4221         (Target_arm::got_mod_index_offset_,
4222         Target_arm::tls_base_symbol_defined_): New data members.
4223         (Target_arm::Scan::local, Target::Scan::global,
4224         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4225         relocations.
4226
4227 2010-02-18  Doug Kwan  <dougkwan@google.com>
4228
4229         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4230         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4231         text section as a parameter becuase some broken tools may not set
4232         the link in section header.
4233         (Target_arm::has_got_section): New method.
4234         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4235         without any mapping symbol as data only.  Remove warning.
4236         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4237         link in its section header, try to discover the link by inspecting the
4238         REL31 relocation at the beginning of the section.
4239         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4240         in error message.
4241         (Target_arm::Scan::global): Treat any reference to the symbol
4242         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4243
4244 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4245
4246         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4247         (Scan::global_reloc_may_be_function_pointer): New function.
4248         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4249         (Scan::global_reloc_may_be_function_pointer): New function.
4250         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4251         (Scan::global_reloc_may_be_function_pointer): New function.
4252         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4253         (Scan::global_reloc_may_be_function_pointer): New function.
4254         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4255         (Scan::global_reloc_may_be_function_pointer): New function.
4256         (Scan::possible_function_pointer_reloc): New function.
4257         (Target_x86_64::can_check_for_function_pointers): New function.
4258         * gc.h (gc_process_relocs): Scan relocation types to determine if
4259         function pointers were taken for targets that support it.
4260         * icf.cc (Icf::find_identical_sections): Include functions for
4261         folding in safe ICF whose pointer is not taken.
4262         * icf.h (Secn_fptr_taken_set): New typedef.
4263         (fptr_section_id_): New member.
4264         (section_has_function_pointers): New function.
4265         (set_section_has_function_pointers): New function.
4266         (check_section_for_function_pointers): New function.
4267         * options.h: Fix comment for safe ICF option.
4268         * target.h (can_check_for_function_pointers): New function.
4269         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4270         Modify icf_safe_test for X86-64.
4271         * testsuite/Makefile.in: Regenerate.
4272         * testsuite/icf_safe_so_test.cc: New file.
4273         * testsuite/icf_safe_so_test.sh: New file.
4274         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4275         (main): Change to take pointer to function kept_func_3.
4276         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4277         folding is done correctly for X86-64.
4278
4279 2010-02-12  David S. Miller  <davem@davemloft.net>
4280
4281         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4282         is_symbolless parameter.
4283         (Output_reloc<SHT_REL>::is_symbolless): New.
4284         (Output_reloc<SHT_REL>::is_symbolless_): New.
4285         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4286         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4287         (Output_reloc<SHT_RELA>::is_symbolless): New.
4288         (Output_data_reloc::add_global): Handle is_symbolless.
4289         (Output_data_reloc::add_global_relative): Likewise.
4290         (Output_data_reloc::add_local): Likewise.
4291         (Output_data_reloc::add_local_relative): Likewise.
4292         (Output_data_reloc::add_symbolless_global_addend): New.
4293         (Output_data_reloc::add_symbolless_local_addend): New.
4294         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4295         is_symbolless.
4296         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4297         instead of ->is_relative_
4298         (Output_reloc::write): Likewise.
4299         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4300         (Output_reloc::write_rel): Simplify.
4301
4302         * sparc.cc (Target_sparc::Scan::local): Use
4303         ->add_symbolless_local_addend as needed.
4304         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4305         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4306         based upon relocation offset.
4307
4308 2010-02-11  Doug Kwan  <dougkwan@google.com>
4309
4310         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4311         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4312         beginning of function.
4313         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4314         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4315         parameter is_32bit in calls to should_apply_static_reloc.
4316         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4317         (check_DATA): Add arm_abs_global.stdout.
4318         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4319         arm_abs_global.stdout): New rules.
4320         (MOSTLLYCLEANFILES): Add arm_abs_global
4321         * Makefile.in: Regenerate.
4322         * testsuite/arm_abs_global.s: New file.
4323         * testsuite/arm_abs_global.sh: Ditto.
4324         * testsuite/arm_abs_lib.s: Ditto.
4325
4326 2010-02-11  Ian Lance Taylor  <iant@google.com>
4327
4328         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4329         Read_relocs task.
4330         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4331         Allocate_commons_task first.
4332         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4333         task, rather than symtab_lock_.
4334         (Gc_process_relocs::~Gc_process_relocs): New function.
4335         (Gc_process_relocs::is_runnable): Check this_blocker_.
4336         (Gc_process_relocs::locks): Use next_blocker_ rather than
4337         blocker_.
4338         (Scan_relocs::~Scan_relocs): New function.
4339         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4340         symtab_lock_.
4341         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4342         next_blocker_.
4343         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4344         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4345         constructor accordingly.
4346         (class Gc_process_relocs): Likewise.
4347         (class Scan_relocs): Likewise.
4348         * common.h (class Allocate_commons_task): Remove symtab_lock_
4349         field, and corresponding constructor parameter.
4350         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4351         symtab_lock_.
4352         (Allocate_commons_task::locks): Likewise.
4353
4354 2010-02-11  Ian Lance Taylor  <iant@google.com>
4355
4356         * gold-threads.h (class Once): Define.
4357         (class Initialize_lock): Rewrite as child of Once.
4358         * gold-threads.cc (class Once_initialize): Define.
4359         (once_pointer_control): New static variable.
4360         (once_pointer, once_arg): New static variables.
4361         (c_run_once): New static function.
4362         (Once::Once, Once::run_once, Once::internal_run): New functions.
4363         (class Initialize_lock_once): Remove.
4364         (initialize_lock_control): Remove.
4365         (initialize_lock_pointer): Remove.
4366         (initialize_lock_once): Remove.
4367         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4368         (Initialize_lock::initialize): Rewrite.
4369         (Initialize_lock::do_run_once): New function.
4370         * archive.cc (Archive::interpret_header): Only clear name if it is
4371         not already empty.
4372         * fileread.cc: Include "gold-threads.h"
4373         (file_counts_lock): New static variable.
4374         (file_counts_initialize_lock): Likewise.
4375         (File_read::release): Only increment counts when using --stats.
4376         Use a lock around the increment.
4377         * parameters.cc (class Set_parameters_target_once): Define.
4378         (set_parameters_target_once): New static variable.
4379         (Parameters::Parameters): Move here from parameters.h.
4380         (Parameters::set_target): Rewrite.
4381         (Parameters::set_target_once): New function.
4382         (Parameters::clear_target): Move here and rewrite.
4383         * parameters.h (class Parameters): Update declarations.  Add
4384         set_parameters_target_once_ field.
4385         (Parameters::Parameters): Move to parameters.cc.
4386         (Parameters::clear_target): Likewise.
4387         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4388         task.
4389         (Start_group::~Start_group): New function.
4390         (Start_group::is_runnable): New function.
4391         (Start_group::locks, Start_group::run): New functions.
4392         (Finish_group::run): Change saw_undefined to size_t.
4393         * readsyms.h (class Start_group): Define.
4394         (class Finish_group): Change saw_undefined_ field to size_t.
4395         (Finish_group::Finish_group): Remove saw_undefined and
4396         this_blocker parameters.  Change all callers.
4397         (Finish_group::set_saw_undefined): New function.
4398         (Finish_group::set_blocker): New function.
4399         * symtab.h (class Symbol_table): Change saw_undefined to return
4400         size_t.  Change saw_undefined_ field to size_t.
4401         * target-select.cc (Set_target_once::do_run_once): New function.
4402         (Target_selector::Target_selector): Initialize set_target_once_
4403         field.  Don't initialize lock_ and initialize_lock_ fields.
4404         (Target_selector::instantiate_target): Rewrite.
4405         (Target_selector::set_target): New function.
4406         * target-select.h (class Set_target_once): Define.
4407         (class Target_selector): Update declarations.  Make
4408         Set_target_once a friend.  Remove lock_ and initialize_lock_
4409         fields.  Add set_target_once_ field.
4410
4411 2010-02-10  Ian Lance Taylor  <iant@google.com>
4412
4413         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4414         queueing any tasks.
4415         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4416         (queue_middle_tasks): Add all blockers before queueing any tasks.
4417         (queue_final_tasks): Likewise.
4418         * token.h (Task_token::add_blockers): New function.
4419         * object.h (Input_objects::number_of_relobjs): New function.
4420
4421 2010-02-10  Ian Lance Taylor  <iant@google.com>
4422
4423         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4424         shared, not if not position independent.
4425         * x86_64.cc (Relocate::relocate_tls): Likewise.
4426         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4427         (tls_pie_pic_test): New target.
4428         * testsuite/Makefile.in: Rebuild.
4429
4430         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4431         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4432         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4433         * testsuite/Makefile.in: Rebuild.
4434
4435 2010-02-09  David S. Miller  <davem@davemloft.net>
4436
4437         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4438         R_SPARC_RELATIVE using ->add_local_relative().
4439         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4440
4441         * output.h (Output_data_dynamic::add_section_size): New method
4442         that takes two Output_data objects.
4443         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4444         entry param.  Handle it in initializers.
4445         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4446         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4447         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4448         arg.
4449         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4450         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4451         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4452         for dynrel_includes_plt.
4453         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4454         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4455         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4456         before .rela.plt
4457         (Target_sparc::do_finalize_sections): Update to pass true for
4458         dynrel_includes_plt.
4459         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4460         output before .rela.plt
4461         (Target_powerpc::do_finalize_sections): Update to pass true for
4462         dynrel_includes_plt when 32-bit.
4463
4464 2010-02-08  Doug Kwan  <dougkwan@google.com>
4465
4466         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4467         method.
4468         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4469         Arm_relobj::scan_section_for_cortex_a8_stubs,
4470         Arm_relobj::do_relocation_section): Instead of calling
4471         Output_section::output_address, use faster
4472         Arm_relobj::simple_input_section_output_address.
4473
4474 2010-02-08  David S. Miller  <davem@davemloft.net>
4475
4476         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4477         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4478         relocation helper function.
4479
4480         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4481         just like R_SPARC_GOT{10,13,22}.
4482         (Target_sparc::Scan::local): Likewise.
4483         (Target_sparc::Relocate:relocate): Likewise.
4484
4485 2010-02-06  Ian Lance Taylor  <iant@google.com>
4486
4487         * configure.ac: Rewrite targetobjs duplicate removal code to use
4488         only shell constructs.
4489         * configure: Rebuild.
4490
4491 2010-02-05  Doug Kwan  <dougkwan@google.com>
4492
4493         PR 11247
4494         * arm.cc (Arm_relobj::section_is_scannable): New method.
4495         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4496         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4497
4498 2010-02-04  Doug Kwan  <dougkwan@google.com>
4499
4500         PR 11247
4501         * arm-reloc-property.cc (cstdio): Include.
4502         * configure.ac (targetobjs): Remove duplicates.
4503         * configure: Regenerate.
4504         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4505         big and little endian version for a given address size.
4506
4507 2010-02-03  Doug Kwan  <dougkwan@google.com>
4508
4509         * arm-reloc-property.cc
4510         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4511         definition.
4512         * arm-reloc-property.h
4513         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4514         New method definition.
4515         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4516         declaration.
4517         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4518         overflow to N.
4519         (GOT_PREL): Change implemented to Y.
4520         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4521         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4522         (Arm_relocate_functions::movw_abs_nc): Remove method.
4523         (Arm_relocate_functions::movt_abs): Ditto.
4524         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4525         (Arm_relocate_functions::thm_movt_abs): Ditto.
4526         (Arm_relocate_functions::movw_rel_nc): Ditto.
4527         (Arm_relocate_functions::movw_rel): Ditto.
4528         (Arm_relocate_functions::movt_rel): Ditto.
4529         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4530         (Arm_relocate_functions:thm_movw_rel): Ditto.
4531         (Arm_relocate_functions:thm_movt_rel): Ditto.
4532         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4533         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4534         New method definitions.
4535         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4536         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4537         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4538         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4539         (Target_arm::Relocate::relocate): Check for non-static or
4540         unimplemented relocation code and exit early.  Change calls to
4541         Target_arm::reloc_uses_thumb_bit and
4542         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4543         instead.  Refactor code to handle similar relocations to increase
4544         code sharing.  Remove check for unsupported relocation code in switch
4545         statement.
4546         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4547         relocation property table to find out size.  Change error message to
4548         print out the name of a relocation code instead of the numeric value.
4549         (Target_arm::scan_reloc_for_stub): Use relocation property table
4550         instead of calling Target_arm::reloc_uses_thumb_bit().
4551
4552 2010-02-02  Doug Kwan  <dougkwan@google.com>
4553
4554         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4555         types of relaxed input section.
4556
4557 2010-02-02  Doug Kwan  <dougkwan@google.com>
4558
4559         * Makefile.am (HFILES): Add arm-reloc-property.h.
4560         (DEFFILES): New.
4561         (TARGETSOURCES): Add arm-reloc-property.cc
4562         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4563         (libgold_a_SOURCES): $(DEFFILES)
4564         * Makefile.in: Regenerate.
4565         * arm-reloc-property.cc: New file.
4566         * arm-reloc-property.h: New file.
4567         * arm-reloc.def: New file.
4568         * arm.cc: Update comments.
4569         (arm-reloc-property.h): New included header.
4570         (arm_reloc_property_table): New global variable.
4571         (Target_arm::do_select_as_default_target): New method definition.
4572         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4573         arm-reloc-property to targ_extra_obj.
4574         * parameters.cc (set_parameters_target): Call
4575         Target::select_as_default_target().
4576         * target.h (Target::select_as_default_target): New method definition.
4577         (Target::do_select_as_default_target): Same.
4578
4579 2010-02-01  Doug Kwan  <dougkwan@google.com>
4580
4581         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4582         first_output_text_section_.
4583         (Arm_exidx_fixup::first_output_text_section): New method definition.
4584         (Arm_exidx_fixup::first_output_text_section_): New data member.
4585         (Arm_exidx_fixup::process_exidx_section): Record the first text
4586         output section seen.
4587         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4588         and entsize in output section header.
4589
4590 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4591
4592         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4593         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4594         (Arm_relocate_functions::thm_alu11): New Method.
4595         (Arm_relocate_functions::thm_pc8): New Method.
4596         (Arm_relocate_functions::thm_pc12): New Method.
4597         (Target_arm::Scan::local): Handle the relocations.
4598         (Target_arm::Scan::global): Likewise.
4599         (Target_arm::Relocate::relocate): Likewise.
4600         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4601
4602 2010-01-29  Doug Kwan  <dougkwan@google.com>
4603
4604         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4605         of relocation types as ld.
4606
4607 2010-01-29  Doug Kwan  <dougkwan@google.com>
4608
4609         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4610         to public.
4611         (Arm_relocate_functions::thumb_branch_common): Ditto.
4612         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4613         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4614         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4615         Arm_relocate_functions::jump24): Remove.
4616         (Target_arm::Relocate::relocate): Adjust code to call
4617         Arm_relocation_functions::arm_branch_common and
4618         Arm_relocation_functions::thumb_branch_common instead of their removed
4619         wrappers.  Merge switch-cases together to reduce source code size.
4620
4621 2010-01-29  Doug Kwan  <dougkwan@google.com>
4622
4623         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4624         output_local_symbol_count_needs_update_.
4625         (Arm_relobj::output_local_symbol_count_needs_update,
4626          Arm_relobj::set_output_local_symbol_count_needs_update,
4627          Arm_relobj::update_output_local_symbol_count): New methods.
4628         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4629         member.
4630         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4631         of pointed function as in a R_ARM_PREL31 relocation.
4632         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4633         for output local symbol count updating.
4634         (Target_arm::do_relax): Update output local symbol counts in objects
4635         if necessary.
4636         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4637
4638 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4639
4640         * arm.cc: Added support for the ARM relocations:
4641         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4642         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4643         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4644         movw_prel_nc).
4645         (Arm_relocate_functions::movw_rel): New method.
4646         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4647         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4648         thm_movw_prel_nc).
4649         (Arm_relocate_functions::thm_movw_rel): New method.
4650         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4651         thm_movt_prel).
4652         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4653         relocations.
4654         (Target_arm::Scan::global): Likewise.
4655         (Target_arm::Relocate::relocate): Likewise.
4656         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4657         Likewise.
4658
4659 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4660
4661         * arm.cc: Added support for ARM group relocations.
4662         (Target_arm::reloc_needs_sym_origin): New method.
4663         (Arm_relocate_functions::calc_grp_kn): New method.
4664         (Arm_relocate_functions::calc_grp_residual): New method.
4665         (Arm_relocate_functions::calc_grp_gn): New method.
4666         (Arm_relocate_functions::arm_grp_alu): New Method.
4667         (Arm_relocate_functions::arm_grp_ldr): New Method.
4668         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4669         (Arm_relocate_functions::arm_grp_ldc): New Method.
4670         (Target_arm::Scan::local): Handle the ARM group relocations.
4671         (Target_arm::Scan::global): Likewise.
4672         (Target_arm::Relocate::relocate): Likewise.
4673         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4674         Likewise.
4675
4676 2010-01-26  Doug Kwan  <dougkwan@google.com>
4677
4678         * arm.cc (set): Include.
4679         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4680         pointer type.
4681         (Arm_output_section::Text_section_list): New type.
4682         (Arm_output_section::append_text_sections_to_list): New method.
4683         (Arm_output_section::fix_exidx_coverage): Ditto.
4684         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4685         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4686         Relobj::set_section_offset() instead of
4687         Sized_relobj::invalidate_section_offset().
4688         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4689         parameter for section headers. Ignore relocation sections for
4690         unallocated sections and EXIDX sections.
4691         (Target_arm::fix_exidx_coverage): New method.
4692         (Target_arm::output_section_address_less_than): New type.
4693         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4694         linked text section instead of the EXIDX section.
4695         (Arm_output_section::create_stub_group): Add an assertion to check
4696         that this is not an EXIDX output section.
4697         (Arm_output_section::append_text_sections_to_list): New method.
4698         (Arm_output_section::fix_exidx_coverage): Ditto.
4699         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4700         Arm_relobj::section_needs_reloc_stub_scanning.
4701         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4702         first pass.
4703         (Target_arm::fix_exidx_coverage): New method.
4704         * object.h (Relobj::set_output_section): New method.
4705         (Sized_relobj::invalidate_section_offset): Remove method.
4706         (Sized_relobj::do_invalidate_section_offset): Remove method.
4707         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4708
4709 2010-01-25  Doug Kwan  <dougkwan@google.com>
4710
4711         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4712         Fix warning due to signed and unsigned comparison on a 32-bit host.
4713
4714 2010-01-22  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (Target_arm::do_relax): Record an output section for section
4717         offset adjustment it contains any stub table that has changed.
4718         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4719         offsets in an output section if necessary.
4720         * output.cc (Output_section::Output_section): Initialize
4721         section_offsets_need_adjustments_.
4722         (Output_section::add_input_section_for_script): Renamed to
4723         Output_section::add_simple_input_section.
4724         (Output_section::save_states): Add a comment.
4725         (Output_section::discard_states): New method defintion.
4726         (Output_section::adjust_section_offsets): Same.
4727         * output.h (Output_section::add_input_section_for_script): Renamed to
4728         Output_section::add_simple_input_section.
4729         (Output_section::discard_states): New method declaration.
4730         (Output_section::adjust_section_offsets): Same.
4731         (Output_section::section_offsets_need_adjustment,
4732         Output_section::set_section_offsets_need_adjustment): New method
4733         definitions.
4734         (Output_section::section_offsets_need_adjustment_): New data member.
4735         * script-sections.cc
4736         (Output_section_element_input::set_section_address): Adjust code for
4737         renaming of Output_section::add_input_section_for_script.
4738         (Orphan_output_section::set_section_address): Same.
4739
4740 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4741
4742         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4743         Fix_v4bx enum values .
4744         * gold/options.h (General_options): New option definitions.
4745         (General_options::fix_v4bx): New method.
4746         (General_options::Fix_v4bx): New enum.
4747         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4748         (General_options::parse_fix_v4bx_interworking): New method.
4749
4750 2010-01-22  Doug Kwan  <dougkwan@google.com>
4751
4752         * arm.cc (Arm_exidx_fixup): New class.
4753
4754 2010-01-21  Doug Kwan  <dougkwan@google.com>
4755
4756         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4757         classes.
4758         (Arm_exidx_section_offset_map): New type.
4759
4760 2010-01-21  Doug Kwan  <dougkwan@google.com>
4761
4762         * arm.cc (Arm_exidx_input_section): New class.
4763         (Arm_relobj::exidx_input_section_by_link,
4764         Arm_relobj::exidx_input_section_by_shndx,
4765         Arm_relobj::make_exidx_input_section): New methods.
4766         (read_arm_attributes_section): Remove.
4767         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4768         information about them.
4769         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4770         to here.
4771
4772 2010-01-20  Doug Kwan  <dougkwan@google.com>
4773
4774         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4775         Input_section_specifier to Section_id.
4776         (Target_arm::new_arm_input_section: Adjust code for change of key
4777         type.
4778         (Target_arm::find_arm_input_section): Ditto.
4779         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4780         (Section_id): Remove.
4781         (Garbage_collection::Section_id_hash): Remove.
4782         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4783         (Section_id): Remove.
4784         (Icf::Section_id_hash): Remove.
4785         * object.h (Section_id, Const_section_id, Section_id_hash,
4786         Const_section_id_hash): New type definitions.
4787         * output.cc (Output_section::add_relaxed_input_section): Change to
4788         use Const_section_id instead of Input_section_specifier as key type.
4789         (Output_section::add_merge_input_section): Ditto.
4790         (Output_section::build_relaxation_map): Change to use Section_id
4791         instead of Input_section_specifier as key type.
4792         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4793         Ditto.
4794         (Output_section::convert_input_sections_to_relaxed_sections): Change
4795         to use Const_section_id instead of Input_section_specifier as key type.
4796         (Output_section::find_merge_section): Ditto.
4797         (Output_section::find_relaxed_input_section): Ditto.
4798         * output.h (Input_section_specifier): Remove class.
4799         (Output_section::Output_section_data_by_input_section_map): Change
4800         key type to Const_section_id.
4801         (Output_section::Output_relaxed_input_section_by_input_section_map):
4802         Ditto.
4803         (Output_section::Relaxation_map): Change key type to Section_id.
4804
4805 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4806
4807         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4808         (class Arm_v4bx_stub): New class.
4809         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4810         (Stub_factory::make_arm_v4bx_stub): New method.
4811         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4812         (Stub_table::empty): Handle v4bx stubs.
4813         (Stub_table::add_arm_v4bx_stub): New method.
4814         (Stub_table::find_arm_v4bx_stub): New method.
4815         (Arm_relocate_functions::v4bx): New method.
4816         (Target_arm::fix_v4bx): New method.
4817         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4818         (Stub_table::relocate_stubs): Likewise.
4819         (Stub_table::do_write): Likewise.
4820         (Stub_table::update_data_size_and_addralign): Likewise.
4821         (Stub_table::finalize_stubs):  Likewise.
4822         (Target_arm::Scan::local): Likewise.
4823         (Target_arm::Scan::global): Likewise.
4824         (Target_arm::do_finalize_sections): Likewise.
4825         (Target_arm::Relocate::relocate): Likewise.
4826         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4827         Likewise.
4828         (Target_arm::scan_reloc_for_stub): Likewise.
4829         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4830
4831 2010-01-19  Ian Lance Taylor  <iant@google.com>
4832
4833         * output.cc (Output_section_headers::do_sized_write): Write large
4834         segment count to sh_info field.
4835         (Output_file_header::do_sized_write): For large segment count,
4836         write PN_XNUM to e_phnum field.
4837
4838 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4839
4840         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4841         (Arm_relocate_functions::thm_jump8): New function.
4842         (Arm_relocate_functions::thm_jump11): New function.
4843         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4844         R_ARM_THM_JUMP11.
4845         (Target_arm::Scan::global): Likewise.
4846         (Target_arm::Relocate::relocate): Likewise.
4847         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4848         Likewise.
4849
4850 2010-01-14  Doug Kwan  <dougkwan@google.com>
4851
4852         * arm.cc (map, utility): Include headers.
4853         (Target_arm::apply_cortex_a8_workaround): New method.
4854         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4855         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4856         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4857         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4858         the --[no-]fix-cortex-a8 command line options.
4859         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4860         (Target_arm::relocate_stub): Use addend in instruction template.
4861         * options.h (DEFINE_bool): Set the user-set flag.
4862         (General_options): Add --[no-]-fix-cortex options.
4863         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4864         : Update fast look-up map after conversion.
4865
4866 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4867
4868         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4869         in the first pass of do_layout.
4870
4871 2010-01-13  Doug Kwan  <dougkwan@google.com>
4872
4873         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4874         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4875         apparent compiler problem of not folding static constant integral
4876         data members of elfcpp::Elf_sizes<32>.
4877
4878 2010-01-13  Doug Kwan  <dougkwan@google.com>
4879
4880         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4881         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4882         Arm_relobj::scan_section_for_cortex_a8_erratum,
4883         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4884         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4885         sections to scan for relocation stubs into a new method
4886         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4887         relocation and Cortex-A8 stub scanning.
4888         (Target_arm::do_relax): Force stubs to be after stubbed sections
4889         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4890         the beginning of a new relaxation pass.  Update a comment.
4891         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4892
4893 2010-01-12  Ian Lance Taylor  <iant@google.com>
4894
4895         * target-reloc.h (visibility_error): New inline function.
4896         (relocate_section): Call visibility_error.
4897         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4898         (MOSTLYCLEANFILES): Likewise.
4899         (protected_4_pic.o, protected_3.err): New targets.
4900         * testsuite/protected_4.cc: New file.
4901
4902 2010-01-12  Doug Kwan  <dougkwan@google.com>
4903
4904         * arm.cc (Cortex_a8_reloc): New class.
4905         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4906         and cortex_a8_relocs_info_.
4907         (Target_arm::fix_cortex_a8): New method definition.
4908         (Target_arm::Cortex_a8_relocs_info): New type.
4909         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4910         New data member declarations.
4911         (Target_arm::scan_reloc_for_stub): Record information about
4912         relocations for THUMB branches that might be exempted from the
4913         Cortex-A8 workaround.
4914         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4915         at the beginning of a relaxation pass.
4916
4917 2010-01-12  Doug Kwan  <dougkwan@google.com>
4918
4919         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4920         (Arm_relobj::Mapping_symbol_position,
4921          Arm_reloj::Mapping_symbol_position_less,
4922          Arm_relobj::Mapping_symbols_info): New types.
4923         (Target_arm::is_mapping_symbol_name): New method definition.
4924         (Arm_relobj::do_count_local_symbols): Save information about mapping
4925         symbols.
4926
4927 2010-01-11  Doug Kwan  <dougkwan@google.com>
4928
4929         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4930         Arm_relocate_functions::thumb32_branch_upper,
4931         Arm_relocate_functions::thumb32_branch_lower,
4932         Arm_relocate_functions::thumb32_cond_branch_offset,
4933         Arm_relocate_functions::thumb32_cond_branch_upper,
4934         Arm_relocate_functions::thumb32_cond_branch_lower,
4935         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4936         branch offset encoding.
4937         (Arm_relocate_functions::thumb_branch_common): Use new branch
4938         offset encoding methods to avoid code duplication.
4939         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4940         (Stub_addend_reader::operator()): Use new branch encoding method
4941         to avoid code duplication.
4942
4943 2010-01-11  Doug Kwan  <dougkwan@google.com>
4944
4945         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4946         (Target_arm::do_finalize_sections): Define special EXIDX section
4947         symbols only if referenced.
4948         * gc.h (Garbage_collection::add_reference): New method.
4949         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4950         code duplication.
4951
4952 2010-01-11  Ian Lance Taylor  <iant@google.com>
4953
4954         * script.cc (Version_script_info::build_expression_list_lookup):
4955         Change complaing about duplicate wildcard match from error to
4956         warning.
4957
4958         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4959         of 2009-12-30.
4960         (Version_script_info::Version_script_info): Initialize globs_,
4961         default_version_, default_is_global_, and exact_.  Don't
4962         initialize globals_ or locals_.
4963         (Version_script_info::build_lookup_tables): Build local symbols
4964         first.
4965         (Version_script_info::unquote): New function.
4966         (Version_script_info::add_exact_match): New function.
4967         (Version_script_info::build_expression_list_lookup): Remove lookup
4968         parameter.  Add is_global parameter.  Change all callers.  Handle
4969         wildcard pattern specially.  Unquote pattern.  Call
4970         add_exact_match.
4971         (Version_script_info::get_name_to_match): New function.
4972         (Version_script_info::get_symbol_version): New function.
4973         (Version_script_info::get_symbol_version_helper): Remove.
4974         (Version_script_info::check_unmatched_names): Call unquote.
4975         * script.h (class Version_script_info): Change get_symbol_version
4976         to be non-inline and add is_global parameter; change all callers.
4977         Rewrite symbol_is_local.  Update declarations.  Define struct
4978         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4979         Remove globals_ and locals_ members.  Add exact_, globs_,
4980         default_version_, is_global_.
4981         (Version_script_info::Glob): Remove pattern, add expression and
4982         is_global.  Update constructor.  Change all callers.
4983         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4984         default version.
4985         (Versions::symbol_section_contents): If a symbol is undefined, or
4986         defined in a dynamic object, set the version index to
4987         VER_NDX_LOCAL.
4988         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4989         symbol_is_local.
4990         (Symbol_table::add_from_pluginobj): Likewise.
4991         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4992
4993 2010-01-11  Doug Kwan  <dougkwan@google.com>
4994
4995         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4996         (incremental_dump_LDADD): Add linking option for libintl.
4997         * Makefile.in: Regenerate.
4998
4999 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5000
5001         PR gold/11144
5002         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5003         instead of -Ds.
5004         * testsuite/Makefile.in: Regenerated.
5005
5006 2010-01-10  Doug Kwan  <dougkwan@google.com>
5007
5008         * options.h (DEFINE_var): Use parentheses around argument varname__
5009         in macro body to avoid any unintended subsequent substitutions.
5010
5011 2010-01-10  Ian Lance Taylor  <iant@google.com>
5012
5013         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5014         candidates before doing symbol resolution.
5015
5016         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5017         ODR candidates if only one is weak.
5018
5019 2010-01-08  Ian Lance Taylor  <iant@google.com>
5020
5021         * script.cc (Version_script_info::build_expression_list_lookup):
5022         Don't warn about ambiguous version, just record the ambiguity.
5023         (Version_script_info::get_symbol_version_helper): Give error if
5024         version is ambiguous.
5025
5026 2010-01-08  Doug Kwan  <dougkwan@google.com>
5027
5028         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5029           prev_data_size_ and prev_addralign_.  Remove initializer for
5030           deleted data member has_been_changed_.
5031           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5032           to determine if the table is empty.
5033           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5034           Remove.
5035           (Stub_table::add_reloc_stub): Define method in class definition
5036           instead of just declaring it there.
5037           (Stub_table::add_cortex_a8_stub): New method definition.
5038           (Stub_table::update_data_size_and_addralign): Ditto.
5039           (Stub_table::finalize_stubs): Ditto.
5040           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5041           (Stub_table::do_addralign_): Return address alignment in the
5042           (Stub_table::do_reset_address_and_file_offset): Define method in
5043           class definition instead of declaring it there.  Set current data
5044           size to be the data size of the previous pass.
5045           (Stub_table::set_final_data_size): Use current data size as the
5046           final data size.
5047           (Stub_table::relocate_stub): Change parameter type of stub from
5048           Reloc_stub pointer to Stub pointer.
5049           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5050           (Stub_table::Cortex_a8_stub_list): New typedef.
5051           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5052            Stub_table::prev_addralign_): New data member.
5053           (Arm_relobj::Arm_relobj): Initialize data member
5054           section_has_cortex_a8_workaround_.
5055           (Arm_relobj::section_has_cortex_a8_workaround,
5056            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5057            definitions.
5058           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5059           declarations.
5060           (Target_arm::relocate_stub): Change parameter type of stub from
5061           Reloc_stub pointer to Stub pointer.
5062           (Insn_template::size, Insn_template::alignment): Handle
5063           THUMB16_SPECIAL_TYPE.
5064           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5065            Stub_table::update_data_size_and_addralign,
5066            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5067           definitions.
5068           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5069           (Stub_table::do_write): Ditto.
5070           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5071
5072 2010-01-08  Ian Lance Taylor  <iant@google.com>
5073
5074         PR 11108
5075         * symtab.h (class Symbol): Remove fields is_target_special_ and
5076         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5077         (Symbol::is_defined_in_discarded_section): New function.
5078         (Symbol::set_is_defined_in_discarded_section): New function.
5079         (Symbol::has_plt_offset): Rewrite.
5080         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5081         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5082         Don't initialize is_target_special_ or has_plt_offset_.
5083         Initialize is_defined_in_discarded_section_.
5084         (Symbol_table::add_from_relobj): If appropriate, set
5085         is_defined_in_discarded_section.
5086         * resolve.cc (Symbol::override_base_with_special): Don't test
5087         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5088         * target-reloc.h (relocate_section): Do special handling for
5089         symbols defined in discarded sections for global symbols as well
5090         as local symbols.
5091
5092 2010-01-08  Ian Lance Taylor  <iant@google.com>
5093
5094         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5095         the SHT_SYMTAB case.
5096
5097 2010-01-08  Ian Lance Taylor  <iant@google.com>
5098
5099         * object.cc (Sized_relobj::do_layout): Don't get confused if
5100         layout_eh_frame returns NULL.
5101
5102 2010-01-08  Ian Lance Taylor  <iant@google.com>
5103
5104         PR 11084
5105         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5106         dynamic symbol table, use the normal symbol table.
5107         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5108         symbol table.
5109
5110 2010-01-08  Ian Lance Taylor  <iant@google.com>
5111
5112         PR 11072
5113         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5114         sections.
5115
5116 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5117
5118         * version.cc (print_version): Change to "Copyright 2010".
5119
5120 2010-01-08  Ian Lance Taylor  <iant@google.com>
5121
5122         PR 10287
5123         PR 11063
5124         * i386.cc (class Target_i386): Change return type of plt_section
5125         to be non-const.
5126         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5127         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5128         tls_desc_rel_ field.
5129         (Output_data_plt_i386::rel_tls_desc): New function.
5130         (Target_i386::rel_tls_desc_section): New function.
5131         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5132         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5133         R_386_TLS_DESC reloc in rel_tls_desc_section.
5134         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5135         Define struct Tlsdesc_info.
5136         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5137         (Target_x86_64::do_reloc_symbol_index): New function.
5138         (Target_x86_64::add_tlsdesc_info): New function.
5139         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5140         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5141         tlsdesc_rel_ field.
5142         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5143         all callers.
5144         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5145         (Target_x86_64::rela_tlsdesc_section): New function.
5146         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5147         handling.
5148         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5149         (Target_x86_64::do_reloc_addend): New function.
5150         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5151         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5152         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5153         (Output_reloc::type): New function.
5154         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5155         (Output_reloc::is_target_specific): New function.
5156         (Output_reloc::target_arg): New function.
5157         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5158         absolute relocs and target specific relocs.
5159         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5160         add_target_specific.
5161         (class Output_data_reloc) [SHT_RELA]: Likewise.
5162         * output.cc (Output_reloc::Output_reloc): Add four new versions
5163         for absolute relocs and target specific relocs.
5164         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5165         (Output_reloc::get_symbol_index): Likewise.
5166         (Output_reloc::local_section_offset): Check that local_sym_index_
5167         is not TARGET_CODE or 0.
5168         (Output_reloc::symbol_value): Likewise.
5169         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5170         reloc.
5171         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5172         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5173         functions.
5174         * layout.cc (add_target_dynamic_tags): Use output section for
5175         DT_PLTRELSZ and DT_JMPREL.
5176
5177 2010-01-07  Ian Lance Taylor  <iant@google.com>
5178
5179         PR 11061
5180         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5181         function.
5182         (class Output_data_reloc_generic): Define.
5183         (class Output_data_reloc_base): Change base class to
5184         Output_data_reloc_generic.  Change add() method to call
5185         bump_relative_reloc_count for a relative reloc.  Remove
5186         sort_relocs_ field.
5187         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5188         to sort_relocs().
5189         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5190         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5191         appropriate.
5192         * layout.h (class Layout): Update declaration.
5193
5194 2010-01-07  Ian Lance Taylor  <iant@google.com>
5195
5196         * output.h (class Output_data): Add const version of
5197         output_section and do_output_section.
5198         (class Output_section_data): Add const version of
5199         do_output_section.
5200         (class Output_section): Likewise.
5201         * layout.cc (Layout::add_target_dynamic_tags): New function.
5202         * layout.h (class Layout): Update declarations.
5203         * arm.cc (Target_arm::do_finalize_sections): Use
5204         add_target_dynamic_tags.
5205         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5206         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5207         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5208         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5209
5210 2010-01-07  Ian Lance Taylor  <iant@google.com>
5211
5212         PR 11042
5213         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5214         object as needed.
5215
5216 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5217             Ian Lance Taylor  <iant@google.com>
5218
5219         PR 11019
5220         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5221         Xindex::read_symtab_xindex.
5222
5223 2010-01-07  Doug Kwan  <dougkwan@google.com>
5224
5225         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5226         (Insn_template::thumb16_bcond_insn): New method declaration.
5227         (Insn_template): Fix spelling.
5228         (Stub::thumb16_special): New method declaration.
5229         (Stub::do_write): Define virtual method which was previously pure
5230         virtual.
5231         (Stub::do_thumb16_special): New method declaration.
5232         (Stub::do_fixed_endian_write): New template member.
5233         (Reloc_stub::do_write): Remove.
5234         (Reloc_stub::do_fixed_endian_write): Remove.
5235         (Cortex_a8_stub): New class definition.
5236         (Stub_factory::make_cortex_a8_stub): New method definition.
5237         (Stub_factory::Stub_factory): Add missing static storage class
5238         qualifier for elf32_arm_stub_a8_veneer_blx.
5239
5240 2010-01-07  Ian Lance Taylor  <iant@google.com>
5241
5242         PR 10980
5243         * options.h (class General_options): Add --warn-unresolved-symbols
5244         and --error-unresolved-symbols.
5245         * errors.cc (Errors::undefined_symbol): Implement
5246         --warn-unresolved-symbols.
5247
5248         * options.h (class General_options): Add -z text and -z textoff.
5249         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5250
5251 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5252
5253         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5254         (Garbage_collection::cident_sections): New function.
5255         (Garbage_collection::add_cident_section): New function.
5256         (Garbage_collection::cident_sections_): New member.
5257         (gc_process_relocs): Add references to sections whose names are C
5258         identifiers.
5259         * gold.h (cident_section_start_prefix): New constant.
5260         (cident_section_stop_prefix): New constant.
5261         (is_cident): New function.
5262         * layout.cc (Layout::define_section_symbols): Replace string constants
5263         with the newly defined constants.
5264         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5265         C identifiers.
5266         * testsuite/Makefile.am: Add gc_orphan_section_test.
5267         * testsuite/Makefile.in: Regenerate.
5268         * testsuite/gc_orphan_section_test.cc: New file.
5269         * testsuite/gc_orphan_section_test.sh: New file.
5270
5271 2010-01-06  Ian Lance Taylor  <iant@google.com>
5272
5273         PR 10980
5274         * options.h (class General_options): Add --warn-shared-textrel.
5275         * layout.cc (Layout::finish_dynamic_section): Implement
5276         --warn-shared-textrel.
5277
5278         PR 10980
5279         * options.h (class General_options): Add --warn-multiple-gp.
5280
5281 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5282
5283         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5284         $(THREADSLIB) and $(LIBDL).
5285         * Makefile.in: Rebuild.
5286
5287 2010-01-06  Ian Lance Taylor  <iant@google.com>
5288
5289         PR 10980
5290         * options.cc (General_options::parse_section_start): New function.
5291         (General_options::section_start): New function.
5292         (General_options::General_options): Initialize all members.
5293         * options.h: Include <map>
5294         (class General_options): Add --section-start.  Add section_starts_
5295         member.
5296         * layout.cc (Layout::attach_allocated_section_to_segment): If
5297         --section-start was used, set the address of the segment.  Remove
5298         local sort_sections.
5299         (Layout::relaxation_loop_body): If the address of the load segment
5300         has been set by --section-start, don't use it.
5301         * output.h (Output_segment::update_flags_for_output_section): New
5302         function.
5303         * output.cc (Output_segment::add_output_section): Call
5304         update_flags_for_output_section.
5305
5306 2010-01-05  Ian Lance Taylor  <iant@google.com>
5307
5308         PR 10980
5309         * options.h (class General_options): Add --undefined-version.
5310         * script.cc (struct Version_expression): Add was_matched_by_symbol
5311         field.
5312         (Version_script_info::matched_symbol): New function.
5313         (Version_script_info::get_symbol_version_helper): Call
5314         matched_symbol.
5315         (Version_script_info::check_unmatched_names): New function.
5316         * script.h (class Version_script_info): Update declarations.
5317         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5318
5319         * options.h (class General_options): Use DEFINE_bool_alias for
5320         allow_multiple_definition.
5321         * resolve.cc (Symbol_table::should_override): Don't test
5322         allow_multiple_definition.
5323
5324         PR 10980
5325         * options.h (class General_options): Add --cref.
5326         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5327         until after printing cref table.
5328         * cref.cc: Include "symtab.h".
5329         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5330         (Cref_table_compare::operator()): New function.
5331         (Cref_inputs::gather_cref): New function.
5332         (filecol): New static const.
5333         (Cref_inputs::print_cref): New function.
5334         (Cref::print_cref): New function.
5335         * cref.h: Include <cstdio>.
5336         (class Cref): Update declarations.
5337         * mapfile.h (Mapfile::file): New function.
5338         * object.h (class Object): Define Symbols.  Declare virtual
5339         do_get_global_symbols.
5340         (Object::get_global_symbols): New function.
5341         * object.cc (Input_objects::add_object): Pass object to cref_ if
5342         --cref.
5343         (Input_objects::archive_start): Likewise.
5344         (Input_objects::archive_stop): Likewise.
5345         (Input_objects::print_cref): New function.
5346         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5347         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5348         --cref.
5349         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5350         function.
5351         * plugin.h (class Sized_pluginobj): Update declarations.
5352
5353 2010-01-05  Ian Lance Taylor  <iant@google.com>
5354
5355         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5356         to is_default_version.  Rename insdef to insdefault.
5357         (Symbol_table::add_from_relobj): Rename def to is_default_version
5358         and local to is_forced_local.
5359         (Symbol_table::add_from_pluginobj): Likewise.
5360         (Symbol_table::add_from_dynobj): Likewise.
5361         (Symbol_table::define_special_symbol): Rename insdef to
5362         insdefault.
5363
5364 2010-01-04  Ian Lance Taylor  <iant@google.com>
5365
5366         PR 10980
5367         * options.h (class General_options): Add
5368         --allow-multiple-definition and -z muldefs.
5369         * resolve.cc (Symbol_table::should_override): Don't warn about a
5370         multiple symbol definition if --allow-multiple-definition or -z
5371         muldefs.
5372
5373         PR 10980
5374         * options.h (class General_options): Add --add-needed and
5375         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5376         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5377         error if --copy-dt-needed-entries aka --add-needed is used and
5378         would cause a change in behaviour.
5379
5380         PR 10980
5381         * options.h (class General_options): Add -G as a short version of
5382         --shared.  Add no-op options -assert, -g, and -i.
5383
5384 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5385
5386         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5387         check for .text or .gnu.linkonce.t sections.
5388         * icf.cc (Icf::find_identical_sections): Ditto.
5389         Change the detection for mangled function name within the section
5390         name.
5391         * icf.h (is_section_foldable_candidate): New function.
5392
5393 2009-12-30  Ian Lance Taylor  <iant@google.com>
5394
5395         PR 10980
5396         * options.h (class General_options): Permit two dashes with
5397         --retain-symbols-file.
5398
5399 2009-12-30  Ian Lance Taylor  <iant@google.com>
5400
5401         PR 10979
5402         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5403         don't put the file header and segment headers in the text
5404         segment.
5405
5406         PR 10979
5407         * common.cc (Sort_commons::operator()): Stabilize sort when both
5408         entries are NULL.
5409         (Symbol_table::do_allocate_commons_list): When allocating common
5410         symbols, skip a symbol which is no longer common.
5411         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5412         an object before checking its type.
5413         * testsuite/common_test_2.c: New file.
5414         * testsuite/common_test_3.c: New file.
5415         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5416         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5417         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5418         (common_test_2_pic.o, common_test_2.so): New targets.
5419         (common_test_3_pic.o, common_test_3.so): New targets.
5420         * testsuite/Makefile.in: Rebuild.
5421
5422         PR 10979
5423         * script.cc (read_input_script): If we see a new SECTIONS clause,
5424         and we have added an input section, give an error.
5425         * layout.h (class Layout): Add have_added_input_section function.
5426         Add have_added_input_section_ field.
5427         * layout.cc (Layout::Layout): Initialize
5428         have_added_input_section_.
5429         (Layout::layout): Set have_added_input_section_.
5430         (Layout::layout_eh_frame): Likewise.
5431
5432 2009-12-30  Ian Lance Taylor  <iant@google.com>
5433
5434         PR 10931
5435         * options.h (class General_options): Add --sort-common option.
5436         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5437         * common.cc (Sort_common): Add sort_order parameter to
5438         constructor.  Add sort_order_ field.
5439         (Sort_commons::operator): Check sort_order_.
5440         (Symbol_table::allocate_commons): Determine the sort order.
5441         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5442         Change all callers.
5443         (Symbol_table::do_allocate_commons_list): Likewise.
5444
5445 2009-12-30  Ian Lance Taylor  <iant@google.com>
5446
5447         PR 10916
5448         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5449         symbols from this object, don't change the visibility of an
5450         undefined symbol.
5451         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5452
5453 2009-12-30  Ian Lance Taylor  <iant@google.com>
5454
5455         PR 10861
5456         * script.h (class Version_script_info): Define Language enum.
5457         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5458         new fields globals_, locals_, and is_finalized_.
5459         * script.cc: Various formatting fixes.
5460         (class Parser_closure): Change language_stack_ from a vector of
5461         std::string to one of Version_script_info::Language.  Adjust all
5462         uses accordingly.
5463         (class Lazy_demangler): Remove.
5464         (struct Version_expression): Change language from std::string to
5465         Version_script_info::Language.
5466         (Version_script_info::Version_script_info): New function.
5467         (Version_script_info::~Version_script_info): Don't call clear.
5468         (Version_script_info::finalize): New function.
5469         (Version_script_info::build_lookup_tables): New function.
5470         (Version_script_info::build_expression_list_lookup): New
5471         function.
5472         (Version_script_info::get_symbol_version_helper): Rewrite to use
5473         lookup tables.
5474         (Version_script_info::print_expression_list): Adjust to use
5475         Version_script_info::Language.
5476         (script_push_lex_into_version_mode): Check that the version script
5477         has not been finalized.
5478         (version_script_push_lang): Change language string to
5479         Version_script_info::Language.
5480         * options.cc (Command_line::version_script): New function.
5481         * options.h (class General_options): Add finalize_dynamic_list
5482         function.  Change version_script from declaration to definition.
5483         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5484         * testsuite/version_script.map: Remove duplicate def of foo.
5485         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5486         version_script.map.
5487         * testsuite/Makefile.in: Rebuild.
5488
5489 2009-12-30  Ian Lance Taylor  <iant@google.com>
5490
5491         PR 10843
5492         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5493         if the input symbol index is 0, make the output symbol index 0.
5494
5495 2009-12-30  Ian Lance Taylor  <iant@google.com>
5496
5497         PR 10670
5498         * options.h (class General_options): Add -x/--discard-all.
5499         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5500         --discard-all.  If the local symbol needs a dynamic entry, check
5501         that before handling --discard-locals.
5502
5503 2009-12-30  Ian Lance Taylor  <iant@google.com>
5504
5505         PR 10450
5506         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5507         flags to PF_R.
5508         (Output_segment::add_output_section): Don't change the flags if
5509         the type is PT_TLS.
5510
5511         PR 10450
5512         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5513         GNU hash table if they need a dynamic value.  Otherwise, don't add
5514         them if they are defined in a dynamic object or are forced local.
5515
5516 2009-12-29  Ian Lance Taylor  <iant@google.com>
5517
5518         PR 10450
5519         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5520         .gnu.hash table for a 32-bit target.
5521
5522         PR 10450
5523         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5524         regular and a dynamic object only needs a dynamic symbol table
5525         entry if it is externally visible.
5526
5527         PR 10450
5528         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5529         constructor.  Add global_offset_table_ field.
5530         (Target_i386::got_section): Set global_offset_table_.
5531         (Target_i386::do_finalize_sections): Set global_offset_table_
5532         size.
5533         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5534         in constructor.  Add global_offset_table_ field.
5535         (Target_x86_64::got_section): Set global_offset_table_.
5536         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5537         size.
5538
5539         * layout.cc (Layout::Layout): Initialize increase_relro_.
5540         (Layout::get_output_section): Add is_relro, is_last_relro, and
5541         is_first_non_relro parameters.  Change all callers.
5542         (Layout::choose_output_section): Likewise.
5543         (Layout::add_output_section_data): Likewise.
5544         (Layout::make_output_section): Likewise.
5545         (Layout::set_segment_offsets): Clear increase_relro when using a
5546         linker script.
5547         * layout.h (class Layout): Add increase_relro method.  Add
5548         increase_relro_ field.  Update declarations.
5549         * output.cc (Output_section::Output_section): Initialize
5550         is_last_relro_ and is_first_non_relro_.
5551         (Output_segment::add_output_section): Group relro sections is
5552         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5553         (Output_segment::maximum_alignment): Remove relro handling.
5554         (Output_segment::set_section_addresses): Add increase_relro
5555         parameter.  Change all callers.  Add initial alignment to align
5556         relro sections on separate page.  Remove old relro handling.
5557         (Output_segment::set_section_list_addresses): Remove in_relro
5558         parameter.  Change all callers.
5559         (Output_segment::set_offset): Add increase parameter.  Change all
5560         callers.  Remove old relro handling.
5561         * output.h (class Output_section): Add new methods: is_last_relro,
5562         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5563         Add is_last_relro_ and is_first_non_relro_ fields.
5564         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5565         Create separate .got.plt section.  Call increase_relro.
5566         * x86_64.cc (Target_x86_64::got_section): Likewise.
5567         * testsuite/relro_script_test.t: Add .got.plt.
5568
5569         PR 10450
5570         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5571         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5572         (Layout::finalize): Call set_dynamic_symbol_size.
5573         (Layout::set_dynamic_symbol_size): New function.
5574         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5575         set_dynamic_symbol_size.
5576
5577         PR 10450
5578         * output.h (class Output_section): Add is_entsize_zero_ field.
5579         * output.cc (Output_section::Output_section): Initialize
5580         is_entsize_zero_.
5581         (Output_section::set_entsize): If two different entsizes are
5582         requested, force it to zero.
5583         (Output_section::add_input_section): Set flags for .debug_str
5584         before updating section flags.  Set entsize.
5585         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5586         and SHF_STRING if all input sections have those flags.
5587
5588 2009-12-29   Rafael Espindola  <espindola@google.com>
5589
5590         * main.cc (main): Fix the sys time reporting.
5591         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5592         reporting.
5593
5594 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5595
5596         * options.cc (General_options::parse_version): Allow -v to exit
5597         without an error if there is nothing to link.
5598
5599 2009-12-29  Ian Lance Taylor  <iant@google.com>
5600
5601         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5602         using a version of gcc before 4.1.
5603         * configure: Rebuild.
5604
5605 2009-12-28  Chris Demetriou  <cgd@google.com>
5606
5607         * attributes.cc (Output_attributes_section_data::do_write): Use
5608         std::vector::front rather than std::vector::data.
5609
5610 2009-12-28  Ian Lance Taylor  <iant@google.com>
5611
5612         * symtab.h (class Symbol_table): Add enum Defined.
5613         * resolve.cc (Symbol_table::should_override): Add defined
5614         parameter.  Change all callers.  Test whether object is NULL
5615         before calling a method on it.
5616         (Symbol_table::report_resolve_problem): Add defined parameter.
5617         Change all callers.
5618         (Symbol_table::should_override_with_special): Likewise.
5619         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5620         parameter.  Change all callers.
5621         (Symbol_table::do_define_in_output_data): Likewise.
5622         (Symbol_table::define_in_output_segment): Likewise.
5623         (Symbol_table::do_define_in_output_segment): Likewise.
5624         (Symbol_table::define_as_constant): Likewise.
5625         (Symbol_table::do_define_as_constant): Likewise.
5626         * script.h (class Symbol_assignment): Add is_defsym parameter to
5627         constructor; change all callers.
5628         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5629         parameter.  Change all callers.  Add is_defsym_ field.
5630         (class Parser_closure): Add parsing_defsym parameter to
5631         constructor; change all callers.  Add parsing_defsym accessor
5632         function.  Add parsing_defsym_ field.
5633
5634 2009-12-28  Ian Lance Taylor  <iant@google.com>
5635
5636         * gold.cc (queue_middle_tasks): Fix formatting.
5637         * object.cc (Relobj::is_section_name_included): Likewise.
5638
5639 2009-12-23  Ian Lance Taylor  <iant@google.com>
5640
5641         * i386.cc (Target_i386::do_calls_non_split): Recognize
5642         -fsplit-stack prologue for a function with a static chain.
5643         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5644         -fsplit-stack prologue when using %r11.
5645
5646 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5647
5648         * options.cc (General_options::parse_version): Make -v continue and do
5649         the link like GNU ld does.
5650
5651 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5652
5653         * Makefile.am (CCFILES): Add timer.cc.
5654         (HFILES): Add timer.h.
5655         * configure.ac: Check for sysconf and times.
5656         * main.cc: include timer.h.
5657         (main): Use Timer instead of get_run_time.
5658         * timer.cc: New.
5659         * timer.h: New.
5660         * workqueue.cc: include timer.h.
5661         (Workqueue::find_and_run_task):
5662         Report user, sys and wall time.
5663         * Makefile.in: Regenerate.
5664         * config.in: Regenerate.
5665         * configure: Regenerate.
5666
5667 2009-12-16  Doug Kwan  <dougkwan@google.com>
5668
5669         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5670         sections.
5671         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5672         relaxed input sections.
5673         * output.cc (Output_section::find_relaxed_input_section): Change
5674         return type to Output_relaxed_input_section pointer.  Adjust code
5675         for new type of relaxed_input_section_map_.
5676         * output.h (Output_section::find_relaxed_input_section): Change
5677         return type to Output_relaxed_input_section pointer.
5678         (Output_section::Output_relaxed_input_section_by_input_section_map):
5679         New type.
5680         (Output_section::relaxed_input_section_map_): Change type to
5681         Output_section::Output_relaxed_input_section_by_input_section_map.
5682         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5683         input section.
5684
5685 2009-12-15  Ian Lance Taylor  <iant@google.com>
5686
5687         * layout.cc (Layout::create_shstrtab): Only write out after input
5688         sections if we are compressing debug sections.
5689
5690 2009-12-15  Ian Lance Taylor  <iant@google.com>
5691
5692         * archive.cc (Archive::add_symbols): Only look up a symbol without
5693         a version if there is, in fact, a version.
5694
5695 2009-12-14  Ian Lance Taylor  <iant@google.com>
5696
5697         Revert -Wshadow changes, all changes from:
5698         2009-12-11  Doug Kwan  <dougkwan@google.com>
5699         2009-12-11  Nick Clifton  <nickc@redhat.com>
5700         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5701
5702 2009-12-11  Doug Kwan  <dougkwan@google.com>
5703
5704         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5705         due to -Wshadow.
5706         * attributes.cc (Object_attribute::size): Ditto.
5707         (Attributes_section_data::size): Ditto.
5708         (Attributes_section_data::Attributes_section_data): Ditto.
5709         (Output_attributes_section_data::do_write): Ditto.
5710         * attributes.h (Object_attribute::set_type): Ditto.
5711         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5712
5713 2009-12-11  Nick Clifton  <nickc@redhat.com>
5714
5715         * archive.cc: Fix shadowed variable warnings.
5716         * arm.cc: Likewise.
5717         * compressed_output.cc: Likewise.
5718         * compressed_output.h: Likewise.
5719         * configure: Likewise.
5720         * dwarf_reader.cc: Likewise.
5721         * dynobj.cc: Likewise.
5722         * dynobj.h: Likewise.
5723         * ehframe.cc: Likewise.
5724         * ehframe.h: Likewise.
5725         * errors.cc: Likewise.
5726         * expression.cc: Likewise.
5727         * fileread.cc: Likewise.
5728         * fileread.h: Likewise.
5729         * freebsd.h: Likewise.
5730         * i386.cc: Likewise.
5731         * icf.cc: Likewise.
5732         * incremental.h: Likewise.
5733         * layout.cc: Likewise.
5734         * layout.h: Likewise.
5735         * mapfile.cc: Likewise.
5736         * merge.cc: Likewise.
5737         * merge.h: Likewise.
5738         * object.cc: Likewise.
5739         * object.h: Likewise.
5740         * options.h: Likewise.
5741         * output.cc: Likewise.
5742         * output.h: Likewise.
5743         * parameters.cc: Likewise.
5744         * plugin.cc: Likewise.
5745         * powerpc.cc: Likewise.
5746         * reduced_debug_output.cc: Likewise.
5747         * reduced_debug_output.h: Likewise.
5748         * reloc.cc: Likewise.
5749         * reloc.h: Likewise.
5750         * resolve.cc: Likewise.
5751         * script-sections.cc: Likewise.
5752         * script.cc: Likewise.
5753         * script.h: Likewise.
5754         * sparc.cc: Likewise.
5755         * symtab.cc: Likewise.
5756         * symtab.h: Likewise.
5757         * target-select.cc: Likewise.
5758         * target-select.h: Likewise.
5759         * token.h: Likewise.
5760         * workqueue.cc: Likewise.
5761         * workqueue.h: Likewise.
5762         * x86_64.cc: Likewise.
5763
5764 2009-12-10  Doug Kwan  <dougkwan@google.com>
5765
5766         * arm.cc (attributes.h): New include.
5767         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5768         (Arm_relobj::~Arm_relobj): Delete object pointed by
5769         attributes_section_data_.
5770         (Arm_relobj::attributes_section_data): New method definition.
5771         (Arm_relobj::attributes_section_data_): New data member declaration.
5772         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5773         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5774         attributes_section_data_.
5775         (Arm_dynobj::attributes_section_data): New method definition.
5776         (Arm_dynobj::attributes_section_data_): New data member declaration.
5777         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5778         initialization value of may_use_blx_ to false.
5779         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5780         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5781         object attributes to compute results instead of hard-coding.
5782         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5783         Target_arm::get_secondary_compatible_arch,
5784         Target_arm::set_secondary_compatible_arch
5785         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5786         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5787         New method declarations.
5788         (Target_arm::get_aeabi_object_attribute): New method definition.
5789         (Target_arm::attributes_section_data_): New data member declaration.
5790         (read_arm_attributes_section): New template definition.
5791         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5792         (Arm_dynobj::do_read_symbols): Ditto.
5793         (Target_arm::do_finalize_sections): Merge attributes sections from
5794         input.  Check for BLX use after attributes section merging.
5795         Fix __exidx_start and __exidx_end visibility.  Create an
5796         .ARM.attributes section if necessary.
5797         (Target_arm::get_secondary_compatible_arch,
5798         Target_arm::set_secondary_compatible_arch,
5799         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5800         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5801         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5802         New method definitions.
5803
5804 2009-12-09  Ian Lance Taylor  <iant@google.com>
5805
5806         * plugin.cc (Plugin::load): Don't cast from void* to a function
5807         pointer.
5808
5809 2009-12-09  Ian Lance Taylor  <iant@google.com>
5810
5811         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5812         information fields.
5813
5814 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5815
5816         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5817         Replace two_file_shared_1.so with two_file_shared_2.so.
5818         * testsuite/Makefile.in: Regenerated.
5819
5820 2009-12-08  Doug Kwan  <dougkwan@google.com>
5821
5822         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5823         (HFILES): Add attributes.h and int_encoding.h.
5824         * Makefile.in: Regenerate.
5825         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5826         function definitions to int_encoding.cc
5827         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5828         prototypes to int_encoding.h
5829         * reduced_debug_output.cc (int_encoding.h): New include.
5830         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5831         function definitions to int_encoding.cc
5832         (insert_into_vector, read_from_pointer): Move template definitions to
5833         int_encoding.h
5834         * attributes.cc: New file.
5835         * attributes.h: New file.
5836         * int_encoding.cc: New file.
5837         * int_encoding.h: New file.
5838
5839 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5840
5841         PR gold/11055
5842         * incremental-dump.cc (dump_incremental_inputs): New.
5843         (main): Use dump_incremental_inputs.
5844
5845 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5846
5847         PR gold/10893
5848         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5849         checking elfcpp::STT_FUNC.
5850         (Target_i386::Relocate::relocate): Likewise.
5851         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5852
5853         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5854         symbols from shared libraries into normal FUNC symbols.
5855
5856         * symtab.h (Symbol): Add is_func and use it.
5857
5858 2009-12-05  Doug Kwan  <dougkwan@google.com>
5859
5860         * arm.cc (Target_arm::arm_info): Initialize new fields
5861         attributes_section and attributes_vendor.
5862         * i386.cc (Target_i386::i386_info): Same.
5863         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5864         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5865         fields attributes_section and attributes_vendor.
5866         * sparc.cc (Target_sparc::sparc_info): Same.
5867         * target.h (Target::attributes_section, Target::attributes_vendor,
5868         Target::is_attributes_section, Target::attribute_arg_type,
5869         Target::attributes_order): New method definitions.
5870         (Target::Target_info::attributes_section,
5871         Target::Target_info::attributes_vendor): New fields.
5872         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5873         virtual method definitions.
5874         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5875         attributes_section and attributes_vendor.
5876         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5877
5878 2009-12-05  Doug Kwan  <dougkwan@google.com>
5879
5880         * arm.cc: Update comments about interworking and stub generation.
5881         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5882         considered as non-PIC.
5883         (Arm_relocate_functions::base_abs): Fix formatting.
5884         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5885         of function to use GOT entry address instead of offset.
5886         (Target_arm::Scan::global): Issue an error if a symbol would need a
5887         PLT does not get one because it is untyped.  Remove code to create
5888         dynamic symbols for relative branches.
5889         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5890         takes unsigned integer instead of boolean.
5891
5892 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5893
5894         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5895         (two_file_test_LDADD): Likewise.
5896         (common_test_1_LDADD): Likewise.
5897         (exception_test_LDADD) Likewise.
5898         (weak_test_LDADD): Likewise.
5899         (many_sections_test_LDADD): Likewise.
5900         (initpri1_LDADD): Likewise.
5901         (script_test_1_LDADD): Likewise.
5902         (script_test_2_LDADD): Likewise.
5903         (justsyms_LDADD): Likewise.
5904         (binary_test_LDADD): Likewise.
5905         (large_LDADD): Likewise.
5906         * testsuite/Makefile.in: Regenerated.
5907
5908 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5909
5910         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5911         (Symbol_table::override_with_special): Likewise.
5912         (Symbol_table::add_from_object): Likewise.
5913
5914 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5915
5916         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5917         Don't set the data_offset twice.
5918
5919 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5920
5921         * testsuite/Makefile.in: Regenerate.
5922
5923 2009-12-03  Doug Kwan  <dougkwan@google.com>
5924
5925         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5926         (Target_arm::do_finalize_sections): Add parameter for symbol table
5927         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5928         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5929         parameter for symbol table pointer.
5930         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5931         an additional parameter for a pointer to symbol table.
5932         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5933         parameter for a symbol table pointer.
5934         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5935         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5936         Ditto.
5937         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5938         parameter for a symbol table pointer.
5939
5940 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5941
5942         * incremental.cc (Incremental_inputs_header)
5943         (Incremental_inputs_header_write, Incremental_inputs_entry)
5944         (Incremental_inputs_entry_write): Move ...
5945         * incremental.h (Incremental_inputs_header)
5946         (Incremental_inputs_header_write, Incremental_inputs_entry)
5947         (Incremental_inputs_entry_write): here.
5948
5949 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5950
5951         * incremental.cc (make_sized_incremental_binary): Set the target.
5952         Error if it is incompatible.
5953         * output.h (Output_file): Add filename method.
5954
5955 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5956
5957         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5958         from the get_* methods.
5959
5960 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5961
5962         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5963         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5964         Write 0 for the data_offset of scripts.
5965
5966 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5967
5968         * testsuite/Makefile.am: Add the incremental_test.sh test.
5969         * testsuite/incremental_test.sh: New.
5970         * testsuite/incremental_test_1.c: New.
5971         * testsuite/incremental_test_2.c: New.
5972
5973 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5974
5975        * incremental-dump.cc (main): Fix typos.
5976
5977 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5978
5979         PR gold/11025
5980         * incremental-dump.cc (main): Use llu to print 64 bit values.
5981
5982 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5983             H.J. Lu  <hongjiu.lu@intel.com>
5984
5985         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5986         $(LIBDL).
5987         (incremental_dump_LDADD): Likewise.
5988         * Makefile.in: Regenerated.
5989
5990 2009-11-25  Doug Kwan  <dougkwan@google.com>
5991
5992         Revert:
5993
5994         2009-11-25  Doug Kwan  <dougkwan@google.com>
5995
5996                 * arm.cc (Target_arm::Target_arm): Move method definition
5997                 outside of class definition.  Add code to handle
5998                 --target1-rel, --target1-abs and --target2= options.
5999                 (Target_arm::get_reloc_reloc_type): Change method to be
6000                 non-static and const.
6001                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6002                 New data member declaration.
6003                 (Target_arm::Scan::local, Target_arm::Scan::global,
6004                 Target_arm::Relocate::relocate,
6005                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6006                 Adjust call to Target_arm::get_real_reloc_type.
6007                 (Target_arm::get_real_reloc_type): Use command line options
6008                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6009                 * options.h (--target1-rel, --target1-abs, --target2): New
6010                 ARM-only options.
6011
6012 2009-11-25  Doug Kwan  <dougkwan@google.com>
6013
6014         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6015         class definition.  Add code to handle --target1-rel, --target1-abs
6016         and --target2= options.
6017         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6018         and const.
6019         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6020         member declaration.
6021         (Target_arm::Scan::local, Target_arm::Scan::global,
6022         Target_arm::Relocate::relocate,
6023         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6024         call to Target_arm::get_real_reloc_type.
6025         (Target_arm::get_real_reloc_type): Use command line options to
6026         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6027         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6028         options.
6029
6030 2009-11-25  Doug Kwan  <dougkwan@google.com>
6031
6032         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6033         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6034         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6035         formatting.
6036         (Arm_relocate_functions::thm_call): Replace body with a call to
6037         Arm_relocate_functions::thumb_branch_common.
6038         (Arm_relocate_functions::thm_jump24,
6039         Arm_relocate_functions::thm_xpc22): New method definitions.
6040         (Arm_relocate_functions::thumb_branch_common): New method definition.
6041         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6042         operator.
6043         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6044         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6045
6046 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6047
6048         * Makefile.am: Build incremental-dump
6049         * Makefile.in: Regenerate.
6050         * incremental-dump.cc: New.
6051         * incremental.cc (Incremental_inputs_header_data,
6052         Incremental_inputs_entry_data): Move to incremental.h
6053         * incremental.h: (Incremental_inputs_header_data,
6054         Incremental_inputs_entry_data): Move from incremental.cc
6055
6056 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6057
6058         * incremental.cc (Incremental_inputs_header,
6059         Incremental_inputs_header_write, Incremental_inputs_entry,
6060         Incremental_inputs_entry_write): Add a typedef with the data type.
6061
6062 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6063
6064         * incremental.cc (Incremental_inputs_header,
6065         Incremental_inputs_header_write, Incremental_inputs_entry,
6066         Incremental_inputs_entry_write): Update comment about which
6067         type has the filed descriptions.
6068
6069 2009-11-15  Doug Kwan  <dougkwan@google.com>
6070
6071         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6072         (Arm_relocate_functions::arm_branch_common): Change method defintion
6073         in class definition to a method declaration and update list of formal
6074         parameters.
6075         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6076         Arm_relocation_functions::jump24): Adjust call to
6077         Arm_relocate_functions::arm_branch_common.  Update list of formal
6078         parameters.
6079         (Arm_relocate_functions::xpc25): New method definition.
6080         (Arm_relocate_functions::arm_branch_common): Move method defintion
6081         out from class definition.  Use stubs for mode-switching and extending
6082         branch ranges.
6083         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6084         specially.  Change code to enable use of stubs in ARM branches.
6085
6086 2009-11-10  Doug Kwan  <dougkwan@google.com>
6087
6088         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6089         in method declaration.
6090         (Target_arm::relocate_stub): New method declaration.
6091         (Target_arm::default_target): Change to return a pointer instead of
6092         a const reference.
6093         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6094         Target_arm::default_target.
6095         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6096         method definition.
6097         (Target_arm::relocate_section): Adjust view.
6098         (Target_arm::relocate_stub): New method definition.
6099
6100 2009-11-10  Doug Kwan  <dougkwan@google.com>
6101
6102         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6103         a format warning.
6104         * incremental.cc (open_incremental_binary): Initialized local
6105         variables to avoid warnings.
6106         * object.cc (make_elf_object): Ditto.
6107         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6108         a format warning.
6109
6110 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6111
6112         PR gold/10930
6113         * testsuite/plugin_test.c: Include "config.h".
6114
6115 2009-11-09  Doug Kwan  <dougkwan@google.com>
6116
6117         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6118         (arm_symbol_value): Remove.
6119         (Arm_relocate_functions::arm_branch_common,
6120         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6121         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6122         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6123         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6124         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6125         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6126         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6127         Arm_relocate_functions::thm_mobw_abs_nc,
6128         Arm_relocate_functions::thm_mov_abs,
6129         Arm_relocate_functions::movw_prel_nc,
6130         Arm_relocate_functions::thm_movt_abs,
6131         Arm_relocate_functions::movt_prel,
6132         Arm_relocate_functions::thm_movw_prel_nc,
6133         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6134         (Target_arm::Relocate::relocate): Only decompose address into two
6135         parts if relocation type uses the thumb-bit and pass the actual
6136         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6137         calls to methods in Arm_relocate_functions for this change.
6138
6139 2009-11-08  Ian Lance Taylor  <iant@google.com>
6140
6141         PR 10925
6142         * reloc.cc: Instantiate
6143         Sized_relobj::initialize_input_to_output_maps and
6144         Sized_relobj:free_input_to_output_maps.
6145
6146 2009-11-06  Ian Lance Taylor  <iant@google.com>
6147
6148         PR 10876
6149         * defstd.cc (in_segment): Set only_if_ref true for "end".
6150
6151 2009-11-06  Doug Kwan  <dougkwan@google.com>
6152
6153         * arm.cc (class Reloc_stub): Correct a comment.
6154         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6155         (Target_arm::scan_section_for_stubs): New method declaration.
6156         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6157         Change methods from private to protected.
6158         (Target_arm::do_may_relax): New method definition.
6159         (Target_arm::do_relax, Target_arm::group_sections,
6160         Target_arm::scan_reloc_for_stub,
6161         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6162         (Target_arm::arm_input_section_map_): New data member declaration.
6163         (Target_arm::scan_reloc_for_stub,
6164         Target_arm::scan_reloc_section_for_stubs,
6165         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6166         Target_arm::do_relax): New method definitions.
6167
6168 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6169
6170         * configure.ac: Check for (struct stat)::st_mtim
6171         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6172         * config.in: Regenerate.
6173         * configure: Regenerate.
6174
6175 2009-11-05  Ian Lance Taylor  <iant@google.com>
6176
6177         PR 10910
6178         * output.cc (Output_segment::add_output_section): Add missing
6179         return statement.
6180
6181 2009-11-04  Ian Lance Taylor  <iant@google.com>
6182
6183         PR 10880
6184         * object.h (class Object): Add is_needed and set_is_needed
6185         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6186         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6187         defined in a dynamic object and referenced by a regular object,
6188         set is_needed for the dynamic object.
6189         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6190         if the file is marked with as_needed and it is not needed.
6191
6192 2009-11-04  Ian Lance Taylor  <iant@google.com>
6193
6194         PR 10887
6195         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6196         tags if data is discarded by linker script.
6197         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6198         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6199         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6200         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6201
6202 2009-11-04  Ian Lance Taylor  <iant@google.com>
6203
6204         * layout.cc (Layout::get_output_section): Add is_interp and
6205         is_dynamic_linker_section parameters.  Change all callers.
6206         (Layout::choose_output_section): Likewise.
6207         (Layout::make_output_section): Likewise.
6208         (Layout::add_output_section_data): Add is_dynamic_linker_section
6209         parameter.  Change all callers.
6210         * layout.h (class Layout): Update declarations.
6211         * output.h (class Output_section): Add is_interp, set_is_interp,
6212         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6213         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6214         generate_code_fills_at_write_ to a bitfield.
6215         * output.cc (Output_section::Output_sections): Initialize new
6216         fields.
6217         (Output_segment::add_output_section): Add do_sort parameter.
6218         Change all callers.
6219
6220 2009-11-03  Ian Lance Taylor  <iant@google.com>
6221
6222         PR 10860
6223         * options.h (class General_options): Add --warn-common.
6224         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6225         merging two common symbols.
6226         (Symbol_table::should_override): Handle --warn-common when merging
6227         a common symbol with a defined symbol.  Use report_resolve_problem
6228         for multiple definitions.
6229         (Symbol_table::report_resolve_problem): New function.
6230         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6231
6232 2009-11-03  Doug Kwan  <dougkwan@google.com>
6233
6234         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6235         stub_factory_.
6236         (Target_arm::stub_factory): New method definition.
6237         (Target_arm::new_arm_input_section,
6238         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6239         Target_arm::reloc_uses_thumb_bit): New method declarations.
6240         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6241         New type definitions.
6242         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6243         member declarations.
6244         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6245         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6246         New method definitions.
6247
6248 2009-11-03  Ian Lance Taylor  <iant@google.com>
6249
6250         * options.h (class General_options): Add --warn_constructors.
6251
6252 2009-11-03  Ian Lance Taylor  <iant@google.com>
6253
6254         PR 10893
6255         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6256         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6257
6258 2009-11-03  Ian Lance Taylor  <iant@google.com>
6259
6260         PR 10895
6261         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6262         --msgid-bugs-address.
6263         (install-pdf): New target.
6264         (install-data_yes): Look up one directory to find mkinstalldirs.
6265
6266 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6267
6268         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6269         tree.
6270
6271 2009-10-30  Doug Kwan  <dougkwan@google.com>
6272
6273         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6274
6275 2009-10-30  Doug Kwan  <dougkwan@google.com>
6276
6277         * arm.cc (Stub_addend_reader): New struct template definition
6278         and partial specializations.
6279         (Stub_addend_reader::operator()): New method definition for a
6280         partially specialized template.
6281
6282 2009-10-30  Doug Kwan  <dougkwan@google.com>
6283
6284         * arm.cc (Arm_relobj::processor_specific_flags): New method
6285         definition.
6286         (Arm_relobj::do_read_symbols): New method declaration.
6287         (Arm_relobj::processor_specific_flags_): New data member declaration.
6288         (Arm_dynobj): New class definition.
6289         (Target_arm::do_finalize_sections): Add input_objects parameter.
6290         (Target_arm::do_adjust_elf_header): New method declaration.
6291         (Target_arm::are_eabi_versions_compatible,
6292         (Target_arm::merge_processor_specific_flags): New method declaration.
6293         (Target_arm::do_make_elf_object): New overloaded method definitions
6294         and declaration.
6295         (Arm_relobj::do_read_symbols): New method definition.
6296         (Arm_dynobj::do_read_symbols): Ditto.
6297         (Target_arm::do_finalize_sections): Add input_objects parameters.
6298         Merge processor-specific flags from all input objects.
6299         (Target_arm::are_eabi_versions_compatible,
6300         Target_arm::merge_processor_specific_flags,
6301         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6302         New method definitions.
6303         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6304         Input_objects pointer type parameter.
6305         * layout.cc (Layout::finalize): Pass input objects to target's.
6306         finalize_sections function.
6307         * output.cc (Output_file_header::do_sized_write): Set ELF file
6308         header's processor-specific flags.
6309         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6310         Input_objects pointer type parameter.
6311         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6312         * target.h (Input_objects): New forward class declaration.
6313         (Target::processor_specific_flags,
6314         Target::are_processor_specific_flags_sect): New method definitions.
6315         (Target::finalize_sections): Add input_objects parameter.
6316         (Target::Target): Initialize processor_specific_flags_ and
6317         are_processor_specific_flags_set_.
6318         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6319         parameter.
6320         (Target::set_processor_specific_flags): New method definition.
6321         (Target::processor_specific_flags_,
6322         Target::are_processor_specific_flags_set_): New data member
6323         declarations.
6324         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6325         Input_objects pointer type parameter.
6326
6327 2009-10-30  Doug Kwan  <dougkwan@google.com>
6328
6329         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6330
6331 2009-10-28  Ian Lance Taylor  <iant@google.com>
6332
6333         * object.h (class Relobj): Drop options parameter from
6334         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6335         do_scan_relocs, do_relocate.  Change all callers.
6336         (class Sized_relobj): Drop options parameters from
6337         do_gc_process_relocs, do_scan_relocs, do_relocate,
6338         do_relocate_sections, relocate_sections, emit_relocs_scan,
6339         emit_relocs_scan_reltype.  Change all callers.
6340         (struct Relocate_info): Remove options field and all references to
6341         it.
6342         * reloc.h (class Read_relocs): Remove options constructor
6343         parameter and options_ field.  Change all callers.
6344         (class Gc_process_relocs, class Scan_relocs): Likewise.
6345         (class Relocate_task): Likewise.
6346         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6347         all callers.
6348         (scan_relocatable_relocs): Likewise.
6349         * target.h (class Sized_target): Remove options parameter from
6350         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6351         all callers.
6352         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6353         callers.
6354         * arm.cc: Update functions to remove options parameters.
6355         * i386.cc: Likewise.
6356         * powerpc.cc: Likewise.
6357         * sparc.cc: Likewise.
6358         * x86_64.cc: Likewise.
6359         * testsuite/testfile.cc: Likewise.
6360
6361 2009-10-28  Doug Kwan  <dougkwan@google.com>
6362
6363         * arm.cc (Arm_relobj): New class definition.
6364         (Arm_relobj::scan_sections_for_stubs,
6365         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6366         New method definitions.
6367
6368 2009-10-28  Cary Coutant  <ccoutant@google.com>
6369
6370         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6371         (Plugin::cleanup_done_): New member.
6372         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6373         (Plugin_manager::cleanup_done_): Remove.
6374         (Plugin_manager::add_input_file): Edit error message.
6375         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6376         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6377
6378 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6379
6380         * fileread.cc: (File_read::View::~View): Use the new
6381         data_ownership_ filed.
6382         (File_read::~File_read): Dispose the new whole_file_view_.
6383         (File_read::open): Mmap the whole file if needed.
6384         (File_read::open): Use whole_file_view_ instead of contents_.
6385         (File_read::find_view): Use whole_file_view_ if applicable.
6386         (File_read::do_read): Use whole_file_view_ instead of contents_.
6387         (File_read::make_view): Use whole_file_view_ instead of contents_,
6388         update File_read::View::View call.
6389         (File_read::find_or_make_view): Update File_read::View::View
6390         call.
6391         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6392         remove contents_
6393         (File_read::View::Data_ownership): New enum.
6394         (File_read::View::View): Replace bool mapped_ with Data_ownership
6395         argument.
6396         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6397         (File_read::View::data_ownership_): New field.
6398         (File_read::contents_): Remove (replaced by whole_file_view_).
6399         (File_read::whole_file_view_): New field.
6400         * options.h (class General_options): Add --keep-files-mapped.
6401
6402 2009-10-27  Cary Coutant  <ccoutant@google.com>
6403
6404         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6405         * testsuite/Makefile.am (plugin_test_5): New test case.
6406         * testsuite/Makefile.in: Regenerate.
6407
6408 2009-10-25  Doug Kwan  <dougkwan@google.com>
6409
6410         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6411         from private to protected to allow access by child class.
6412         (Sized_relobj::do_relocate_sections): New method declaration.
6413         (Sized_relobj::relocate_sections): Virtualize.
6414         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6415         Sized_relobj::relocate_sections.  Instantiate template explicitly
6416         for different target sizes and endianity.
6417
6418 2009-10-24  Doug Kwan  <dougkwan@google.com>
6419
6420         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6421         (Arm_input_section::as_arm_input_section): New method.
6422         (Arm_output_section): New class definition.
6423         (Arm_output_section::create_stub_group,
6424         Arm_output_section::group_sections): New method definitions.
6425
6426 2009-10-22  Doug Kwan  <dougkwan@google.com>
6427
6428         * arm.cc (Arm_input_section): New class definition.
6429         (Arm_input_section::init, Arm_input_section:do_write,
6430         Arm_input_section::set_final_data_size,
6431         Arm_input_section::do_reset_address_and_file_offset): New method
6432         definitions.
6433
6434 2009-10-21  Doug Kwan  <dougkwan@google.com>
6435
6436         * arm.cc (Stub_table, Arm_input_section): New forward class
6437         declarations.
6438         (Stub_table): New class defintion.
6439         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6440         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6441         New method definition.
6442
6443 2009-10-21  Doug Kwan  <dougkwan@google.com>
6444
6445         * arm.cc: Update copyright comments.
6446         (Target_arm): New forward class template declaration.
6447         (Arm_address): New type.
6448         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6449         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6450         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6451         constants.
6452         (Insn_template): Same.
6453         (DEF_STUBS): New macro.
6454         (Stub_type): New enum type.
6455         (Stub_template): New class definition.
6456         (Stub): Same.
6457         (Reloc_stub): Same.
6458         (Stub_factory): Same.
6459         (Target_arm::Target_arm): Initialize may_use_blx_ and
6460         should_force_pic_veneer_.
6461         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6462         Target_arm::should_force_pic_veneer,
6463         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6464         Target_arm::using_thumb_only, Target_arm:;default_target): New
6465         method defintions.
6466         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6467         New data member declarations.
6468         (Insn_template::size, Insn_template::alignment): New method defintions.
6469         (Stub_template::Stub_template): New method definition.
6470         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6471         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6472         (Stub_factory::Stub_factory): New method definition.
6473         * gold.h (string_hash): New template.
6474         * output.h (Input_section_specifier::hash_value): Use
6475         gold::string_hash.
6476         (Input_section_specifier::string_hash): Remove.
6477         * stringpool.cc (Stringpool_template::string_hash): Use
6478         gold::string_hash.
6479
6480 2009-10-20  Doug Kwan  <dougkwan@google.com>
6481
6482         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6483         symbols of relaxed input sections.
6484         * output.h (Output_section::find_relaxed_input_section): Make
6485         method public.
6486
6487 2009-10-16  Doug Kwan  <dougkwan@google.com>
6488
6489         * dynobj.cc (Versions::Versions): Initialize version_script_.
6490         Only insert base version symbol definition for a shared object
6491         if version script defines any version versions.
6492         (Versions::define_base_version): New method definition.
6493         (Versions::add_def): Check that base version is not needed.
6494         (Versions::add_need): Define base version lazily.
6495         * dynobj.h (Versions::define_base_version): New method declaration.
6496         (Versions::needs_base_version_): New data member declaration.
6497         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6498         (check_DATA): Add no_version_test.stdout.
6499         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6500         New make rules.
6501         * testsuite/Makefile.in: Regenerate.
6502         * testsuite/no_version_test.c: New file.
6503         * testsuite/no_version_test.sh: Ditto.
6504
6505 2009-10-16  Doug Kwan  <dougkwan@google.com>
6506
6507         * expression.cc (class Segment_start_expression): New class definition.
6508         (Segment_start_expression::value): New method definition.
6509         (script_exp_function_segment_start): Return a new
6510         Segment_start_expression.
6511         * gold/script-c.h (script_saw_segment_start_expression): New function
6512         prototype.
6513         * script-sections.cc (Script_sections::Script_sections): Initialize
6514         SAW_SEGMENT_START_EXPRESSION_ to false.
6515         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6516         and -Tbbs options to specify section addresses if given in
6517         command line and no SEGMENT_START expression is seen in a script.
6518         * script-sections.h (Script_sections::saw_segment_start_expression,
6519         Script_sections::set_saw_segment_start_expression): New method
6520         definition.
6521         (Script_sections::saw_segment_start_expression_): New data member
6522         declaration.
6523         * script.cc (script_saw_segment_start_expression): New function.
6524         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6525         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6526         script_test_7.sh and script_test_8.sh.
6527         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6528         script_test_8.stdout.
6529         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6530         (script_test_6, script_test_6.stdout, script_test_7,
6531         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6532         * Makefile.in: Regenerate.
6533         * testsuite/script_test_6.sh: New file.
6534         * testsuite/script_test_6.t: Same.
6535         * testsuite/script_test_7.sh: Same.
6536         * testsuite/script_test_7.t: Same.
6537         * testsuite/script_test_8.sh: Same.
6538
6539 2009-10-16  Doug Kwan  <dougkwan@google.com>
6540
6541         * output.cc (Output_segment::set_section_list_address): Cast
6542         expressions to unsigned long long type to avoid format warnings.
6543
6544 2009-10-15  Ian Lance Taylor  <iant@google.com>
6545
6546         * script.cc (Script_options::add_symbol_assignment): Always add a
6547         dot assignment to script_sections_.
6548         * script-sections.cc (Script_sections::add_dot_assignment):
6549         Initialize if necessary.
6550
6551         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6552         program headers with no load segment if there is a linker script.
6553
6554         * layout.cc (Layout::set_segment_offsets): Align the file offset
6555         to the segment aligment for -N or -n with no load segment.
6556         * output.cc (Output_segment::add_output_section): Don't crash if
6557         the first section is a TLS section.
6558         (Output_segment::set_section_list_addresses): Print an error
6559         message if the address moves backward in a linker script.
6560         * script-sections.cc
6561         (Output_section_element_input::set_section_addresses): Don't
6562         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6563         (Orphan_output_section::set_section_addresses): Likewise.
6564
6565 2009-10-15  Doug Kwan  <dougkwan@google.com>
6566
6567         * layout.cc (Layout::finish_dynamic_section): Generate tags
6568         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6569         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6570         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6571
6572 2009-10-14  Ian Lance Taylor  <iant@google.com>
6573
6574         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6575         fields.
6576         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6577         data_shdr fields of relinfo.
6578         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6579         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6580         R_386_TLS_LDO_32, adjust based on section flags.
6581         (Target_i386::Relocate::fix_up_ldo): Remove.
6582
6583 2009-10-13  Ian Lance Taylor  <iant@google.com>
6584
6585         Add support for -pie.
6586         * options.h (class General_options): Add -pie and
6587         --pic-executable.
6588         (General_options::output_is_position_independent): Test -pie.
6589         (General_options::output_is_executable): Return true if not shared
6590         and not relocatable.
6591         (General_options::output_is_pie): Remove.
6592         * options.cc (General_options::finalize): Reject incompatible uses
6593         of -pie.
6594         * gold.cc (queue_middle_tasks): A -pie link is not static.
6595         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6596         * symtab.cc (Symbol::final_value_is_known): Return false if
6597         output_is_position_independent.
6598         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6599         output_is_position_independent.
6600         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6601         output_is_position_independent.
6602         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6603         output_is_position_independent.
6604         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6605         two_file_pie_test.
6606         (basic_pie_test.o, basic_pie_test): New targets.
6607         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6608         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6609         (two_file_pie_test): New target.
6610         * testsuite/Makefile.in: Rebuild.
6611         * README: Remove note saying that -pie is not supported.
6612
6613 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6614
6615         * options.h (class General_options): Add -init and -fini.
6616         * layout.cc (Layout::finish_dynamic_section): Emit
6617         given init and fini functions.
6618
6619 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6620
6621         * gc.h (gc_process_relocs): Check if icf is enabled using new
6622         function.
6623         * gold.cc (queue_initial_tasks): Likewise.
6624         (queue_middle_tasks): Likewise.
6625         * object.cc (do_layout): Likewise.
6626         * symtab.cc (is_section_folded): Likewise.
6627         * main.cc (main): Likewise.
6628         * reloc.cc (Read_relocs::run): Likewise.
6629         (Sized_relobj::do_scan_relocs): Likewise.
6630         * icf.cc (is_function_ctor_or_dtor): New function.
6631         (Icf::find_identical_sections): Check if function is ctor or dtor when
6632         safe icf is chosen.
6633         * options.h (General_options::icf): Change option to be an enum.
6634         (Icf_status): New enum.
6635         (icf_enabled): New method.
6636         (icf_safe_folding): New method.
6637         (set_icf_status): New method.
6638         (icf_status_): New variable.
6639         * (options.cc) (General_options::finalize): Set icf_status_.
6640         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6641         icf_test and icf_keep_unique_test to use the --icf enum flag.
6642         * testsuite/icf_safe_test.sh: New file.
6643         * testsuite/icf_safe_test.cc: New file.
6644
6645 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6646
6647         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6648         includes to gc.h and icf.h.
6649         * arm.cc: Include gc.h.
6650         * gold.cc: Likewise.
6651         * i386.cc: Likewise.
6652         * powerpc.cc: Likewise.
6653         * sparc.cc: Likewise.
6654         * x86_64.cc: Likewise.
6655         * gc.h: Include icf.h.
6656
6657 2009-10-11  Ian Lance Taylor  <iant@google.com>
6658
6659         * plugin.cc: Include "gold.h" before other header files.
6660
6661 2009-10-10  Chris Demetriou  <cgd@google.com>
6662
6663         * options.h (Input_file_argument::Input_file_type): New enum.
6664         (Input_file_argument::is_lib_): Replace with...
6665         (Input_file_argument::type_): New member.
6666         (Input_file_argument::Input_file_argument): Take Input_file_type
6667         'type' rather than boolean 'is_lib' as second argument.
6668         (Input_file_argument::is_lib): Use type_.
6669         (Input_file_argument::is_searched_file): New function.
6670         (Input_file_argument::may_need_search): Handle is_searched_file.
6671         * options.cc (General_options::parse_library): Support -l:filename.
6672         (General_options::parse_just_symbols): Update for Input_file_argument
6673         changes.
6674         (Command_line::process): Likewise.
6675         * archive.cc (Archive::get_file_and_offset): Likewise.
6676         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6677         * script.cc (read_script_file, script_add_file): Likewise.
6678         * fileread.cc (Input_file::Input_file): Likewise.
6679         (Input_file::will_search_for): Handle is_searched_file.
6680         (Input_file::open): Likewise.
6681         * readsyms.cc (Read_symbols::get_name): Likewise.
6682         * testsuite/Makefile.am (searched_file_test): New test.
6683         * testsuite/Makefile.in: Regenerate.
6684         * testsuite/searched_file_test.cc: New file.
6685         * testsuite/searched_file_test_lib.cc: New file.
6686
6687 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6688             Ian Lance Taylor  <iant@google.com>
6689
6690         * descriptor.cc: Include <cstdio> and "binary-io.h".
6691         (Descriptors::open): Open the files in binary mode always.
6692         * script.cc (Lex::get_token): Treat \r as whitespace.
6693
6694 2009-10-09  Ian Lance Taylor  <iant@google.com>
6695
6696         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6697
6698 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6699             Ian Lance Taylor  <iant@google.com>
6700
6701         * configure.ac: Check for readv function also.
6702         * fileread.cc (readv): Define if not HAVE_READV.
6703         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6704         does not exist.
6705         * config.in: Regenerate.
6706         * configure: Regenerate.
6707
6708 2009-10-09  Doug Kwan  <dougkwan@google.com>
6709
6710         * layout.cc (Layout::make_output_section): Call target hook to make
6711         ordinary output section.
6712         (Layout::finalize): Adjust parameter list of call the
6713         Target::may_relax().
6714         * layout.h (class Layout::section_list): New method.
6715         * merge.h (Output_merge_base::entsize): Change visibility to public.
6716         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6717         New methods.
6718         (Output_merge_string::do_is_string): New method.
6719         * object.cc (Sized_relobj::do_setup): renamed from
6720         Sized_relobj::set_up.
6721         * object.h (Sized_relobj::adjust_shndx,
6722         Sized_relobj::initializ_input_to_output_maps,
6723         Sized_relobj::free_input_to_output_maps): Change visibilities to
6724         protected.
6725         (Sized_relobj::setup): Virtualize.
6726         (Sized_relobj::do_setup): New method declaration.
6727         (Sized_relobj::invalidate_section_offset,
6728         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6729         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6730         * options.cc (parse_int): New function.
6731         * options.h (parse_int): New declaration.
6732         (DEFINE_int): New macro.
6733         (stub_group_size): New option.
6734         * output.cc (Output_section::Output_section): Initialize memebers
6735         merge_section_map_, merge_section_by_properties_map_,
6736         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6737         (Output_section::add_input_section): Handled deferred code-fill
6738         generation and remove an old comment.
6739         (Output_section::add_relaxed_input_section): New method definition.
6740         (Output_section::add_merge_input_section): Use merge section by
6741         properties map to speed to search.  Update merge section maps
6742         as appropriate.
6743         (Output_section::build_relaxation_map): New method definition.
6744         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6745         Same.
6746         (Output_section::relax_input_section): Renamed to
6747         Output_section::convert_input_sections_to_relaxed_sections and change
6748         interface to take a vector of pointers to relaxed sections.
6749         (Output_section::find_merge_section,
6750         Output_section::find_relaxed_input_section): New method definitions.
6751         (Output_section::is_input_address_mapped,
6752         Output_section::output_offset, Output_section::output_address):
6753         Use output section data maps to speed up searching.
6754         (Output_section::find_starting_output_address): Add comments.
6755         (Output_section::do_write,
6756         Output_section::write_to_postprocessing_buffer): Do code-fill
6757         generation as appropriate.
6758         (Output_section::get_input_sections): Invalidate relaxed input section
6759         map.
6760         (Output_section::restore_states): Adjust type of checkpoint .
6761         Invalidate relaxed input section map.
6762         * output.h (Output_merge_base): New class declaration.
6763         (Input_section_specifier): New class defintion.
6764         (class Output_relaxed_input_section) Change base class to
6765         Output_section_data_build.
6766         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6767         base class initializer.
6768         (Output_section::add_relaxed_input_section): New method declaration.
6769         (Output_section::Input_section): Change visibility to protected.
6770         (Output_section::Input_section::relobj,
6771         Output_section::Input_section::shndx): Handle relaxed input sections.
6772         Output_section::input_sections) Change visibility to protected.  Also
6773         define overload to return a non-const pointer.
6774         (Output_section::Merge_section_properties): New class defintion.
6775         (Output_section::Merge_section_by_properties_map,
6776         Output_section::Output_section_data_by_input_section_map,
6777         Output_section::Relaxation_map): New types.
6778         (Output_section::relax_input_section): Rename method to
6779         Output_section::convert_input_sections_to_relaxed_sections and change
6780         interface to take a vector of relaxed section pointers.
6781         (Output_section::find_merge_section,
6782         Output_section::find_relaxed_input_section,
6783         Output_section::build_relaxation_map,
6784         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6785         New method declarations.
6786         (Output_section::merge_section_map_
6787         Output_section::merge_section_by_properties_map_,
6788         Output_section::relaxed_input_section_map_,
6789         Output_section::is_relaxed_input_section_map_valid_,
6790         Output_section::generate_code_fills_at_write_): New data members.
6791         * script-sections.cc
6792         (Output_section_element_input::set_section_addresses): Call
6793         current_data_size and addralign methods of relaxed input sections.
6794         (Orphan_output_section::set_section_addresses): Call current_data_size
6795         and addralign methods of relaxed input sections.
6796         * symtab.cc (Symbol_table::compute_final_value): Extract template
6797         from the body of Symbol_table::sized_finalize_symbol.
6798         (Symbol_table::sized_finalized_symbol): Call
6799         Symbol_table::compute_final_value.
6800         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6801         (Symbol_table::compute_final_value): New templated method declaration.
6802         * target.cc (Target::do_make_output_section): New method defintion.
6803         * target.h (Target::make_output_section): New method declaration.
6804         (Target::relax): Add more parameters for input objects, symbol table
6805         and layout.  Adjust call to do_relax.
6806         (Target::do_make_output_section): New method declaration.
6807         (Target::do_relax): Add parameters for input objects, symbol table
6808         and layout.
6809
6810 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6811
6812         * pread.c: Include stdio.h.
6813
6814 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6815
6816         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6817         defined.
6818
6819 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6820
6821         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6822         Change read_shndx type to unsigned int.
6823         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6824         int.
6825         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6826         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6827         Change read_shndx type to unsigned int.
6828         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6829         int.
6830         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6831         * layout.cc (Layout::create_symtab_sections): Cast the result of
6832         local_symcount * symsize to off_t in the gold_assert.
6833
6834 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6835
6836         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6837         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6838         R_ARM_BASE_ABS.
6839         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6840         (Arm_relocate_functions::thm_abs5): New function.
6841         (Arm_relocate_functions::abs12): New function.
6842         (Arm_relocate_functions::abs16): New function.
6843         (Arm_relocate_functions::base_abs): New function.
6844         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6845         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6846         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6847         R_ARM_BASE_ABS.
6848         (Scan::global): Likewise.
6849         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6850         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6851         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6852         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6853         R_ARM_BASE_ABS.
6854
6855 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6856
6857         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6858         (Arm_relocate_functions::movt_prel): New function.
6859         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6860         (Arm_relocate_functions::thm_movt_prel): New function.
6861         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6862         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6863         (Scan::global, Relocate::relocate): Likewise.
6864         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6865
6866 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6867
6868         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6869         Incremental_checker.
6870         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6871         unsigned int.
6872         (class Incremental_inputs_header): New class.
6873         (Incremental_inputs_header_writer): Edit comment.
6874         (Incremental_inputs_entry): New class.
6875         (Incremental_inputs_entry_writer): Edit comment.
6876         (Sized_incremental_binary::do_find_incremental_inputs_section):
6877         Add *strtab_shndx parameter, fill it.
6878         (Sized_incremental_binary::do_check_inputs): New method.
6879         (Incremental_checker::can_incrementally_link_output_file): Use
6880         Sized_incremental_binary::check_inputs.
6881         (Incremental_inputs::report_command_line): Save command line in
6882         command_line_.
6883         * incremental.h:
6884         (Incremental_binary::find_incremental_inputs_section): New
6885         method.
6886         (Incremental_binary::do_find_incremental_inputs_section): Add
6887         strtab_shndx parameter.
6888         (Incremental_binary::do_check_inputs): New pure virtual method.
6889         (Sized_incremental_binary::do_check_inputs): Declare.
6890         (Incremental_checker::Incremental_checker): Add incremental_inputs
6891         parameter, use it to initialize incremental_inputs_.
6892         (Incremental_checker::incremental_inputs_): New field.
6893         (Incremental_checker::command_line): New method.
6894         (Incremental_checker::inputs): New method.
6895         (Incremental_checker::command_line_): New field.
6896
6897 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6898
6899         * incremental.cc: Include <cstdarg> and "target-select.h".
6900         (vexplain_no_incremental): New function.
6901         (explain_no_incremental): New function.
6902         (Incremental_binary::error): New method.
6903         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6904         method.
6905         (make_sized_incremental_binary): New function.
6906         (open_incremental_binary): New function.
6907         (can_incrementally_link_file): Add checks if output is ELF and has
6908         inputs section.
6909         * incremental.h: Include "elfcpp_file.h" and "output.h".
6910         (Incremental_binary): New class.
6911         (Sized_incremental_binary): New class.
6912         (open_incremental_binary): Declare.
6913         * object.cc (is_elf_object): Use
6914         elfcpp::Elf_recognizer::is_elf_file.
6915         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6916         * output.h (Output_file::filesize): New method.
6917
6918 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6919
6920         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6921         New function.
6922         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6923         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6924         function.
6925         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6926         function.
6927         (Arm_relocate_functions::movw_abs_nc): New function.
6928         (Arm_relocate_functions::movt_abs): New function.
6929         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6930         (Arm_relocate_functions::thm_movt_abs): New function.
6931         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6932         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6933         (Scan::global): Likewise.
6934         (Relocate::relocate): Likewise.
6935         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6936
6937 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6938
6939         * arm.cc (Arm_relocate_functions::got_prel) New function.
6940         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6941         (Relocate::relocate): Likewise.
6942         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6943
6944 2009-10-06  Ian Lance Taylor  <iant@google.com>
6945
6946         * options.h (class General_options): Define
6947         split_stack_adjust_size parameter.
6948         * object.h (class Object): Add uses_split_stack_ and
6949         has_no_split_stack_ fields.  Add uses_split_stack and
6950         has_no_split_stack accessor functions.  Declare
6951         handle_split_stack_section.
6952         (class Reloc_symbol_changes): Define.
6953         (class Sized_relobj): Define Function_offsets.  Declare
6954         split_stack_adjust, split_stack_adjust_reltype, and
6955         find_functions.
6956         * object.cc (Object::handle_split_stack_section): New function.
6957         (Sized_relobj::do_layout): Call handle_split_stack_section.
6958         * dynobj.cc (Sized_dynobj::do_layout): Call
6959         handle_split_stack_section.
6960         * reloc.cc (Sized_relobj::relocate_sections): Call
6961         split_stack_adjust for executable sections in split_stack
6962         objects.  Pass reloc_map to relocate_section.
6963         (Sized_relobj::split_stack_adjust): New function.
6964         (Sized_relobj::split_stack_adjust_reltype): New function.
6965         (Sized_relobj::find_functions): New function.
6966         * target-reloc.h: Include "object.h".
6967         (relocate_section): Add reloc_symbol_changes parameter.  Change
6968         all callers.
6969         * target.h (class Target): Add calls_non_split method.  Declare
6970         do_calls_non_split virtual method.  Declare match_view and
6971         set_view_to_nop.
6972         * target.cc: Include "elfcpp.h".
6973         (Target::do_calls_non_split): New function.
6974         (Target::match_view): New function.
6975         (Target::set_view_to_nop): New function.
6976         * gold.cc (queue_middle_tasks): Give an error if mixing
6977         split-stack and non-split-stack objects with -r.
6978         * i386.cc (Target_i386::relocate_section): Add
6979         reloc_symbol_changes parameter.
6980         (Target_i386::do_calls_non_split): New function.
6981         * x86_64.cc (Target_x86_64::relocate_section): Add
6982         reloc_symbol_changes parameter.
6983         (Target_x86_64::do_calls_non_split): New function.
6984         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6985         parameter.
6986         * powerpc.cc (Target_powerpc::relocate_section): Add
6987         reloc_symbol_changes parameter.
6988         * sparc.cc (Target_sparc::relocate_section): Add
6989         reloc_symbol_changes parameter.
6990         * configure.ac: Call AM_CONDITIONAL for the default target.
6991         * configure: Rebuild.
6992         * testsuite/Makefile.am (TEST_AS): New variable.
6993         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6994         (check_DATA): Add split_i386 and split_x86_64 files.
6995         (SPLIT_DEFSYMS): Define.
6996         (split_i386_[1234n].o): New targets.
6997         (split_i386_[124]): New targets.
6998         (split_i386_[1234r].stdout): New targets.
6999         (split_x86_64_[1234n].o): New targets.
7000         (split_x86_64_[124]): New targets.
7001         (split_x86_64_[1234r].stdout): New targets.
7002         (MOSTLYCLEANFILES): Add new executables.
7003         * testsuite/split_i386.sh: New file.
7004         * testsuite/split_x86_64.sh: New file.
7005         * testsuite/split_i386_1.s: New file.
7006         * testsuite/split_i386_2.s: New file.
7007         * testsuite/split_i386_3.s: New file.
7008         * testsuite/split_i386_4.s: New file.
7009         * testsuite/split_i386_n.s: New file.
7010         * testsuite/split_x86_64_1.s: New file.
7011         * testsuite/split_x86_64_2.s: New file.
7012         * testsuite/split_x86_64_3.s: New file.
7013         * testsuite/split_x86_64_4.s: New file.
7014         * testsuite/split_x86_64_n.s: New file.
7015         * testsuite/testfile.cc (Target_test): Update relocation_section
7016         function.
7017         * testsuite/Makefile.in: Rebuild.
7018
7019 2009-10-06  Ian Lance Taylor  <iant@google.com>
7020
7021         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7022         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7023         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7024         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7025         the address on ldo_addrs_.
7026         (Target_i386::Relocate::fix_up_ldo): New function.
7027
7028 2009-10-06   Rafael Espindola  <espindola@google.com>
7029
7030         * plugin.cc (add_input_library): New.
7031         (Plugin::load): Add add_input_library to tv.
7032         (Plugin_manager::add_input_file): Add the is_lib argument.
7033         (add_input_file): Update call to Plugin_manager::add_input_file.
7034         (add_input_library): New.
7035         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7036
7037 2009-09-30  Doug Kwan  <dougkwan@google.com>
7038
7039         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7040         symbol and call Symbol::may_need_copy_reloc to determine if
7041         a copy reloc is needed.
7042         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7043         nocopyreloc is given in command line.
7044         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7045         given in command line.
7046         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7047         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7048         of the removed Target_i386::may_need_copy_reloc.
7049         * options.h (copyreloc): New option with default value false.
7050         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7051         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7052         instead of the removed Target_powerpc::may_need_copy_reloc.
7053         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7054         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7055         instead of the removed Target_sparc::may_need_copy_reloc.
7056         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7057         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7058         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7059         instead of the removed Target_x86_64::may_need_copy_reloc.
7060
7061 2009-09-30  Ian Lance Taylor  <iant@google.com>
7062
7063         * object.h (class Object): Remove target_ field, and target,
7064         sized_target, and set_target methods.
7065         (Object::sized_target): Remove.
7066         (class Sized_relobj): Update declarations.  Remove sized_target.
7067         * object.cc (Sized_relobj::setup): Remove target parameter.
7068         Change all callers.
7069         (Input_objects::add_object): Don't do anything with the target.
7070         (make_elf_sized_object): Add punconfigured parameter.  Change all
7071         callers.  Set or test parameter target.
7072         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7073         Change all callers.
7074         * parameters.cc (Parameters::set_target): Change parameter type to
7075         be non-const.
7076         (Parameters::default_target): Remove.
7077         (set_parameters_target): Change parameter type to be non-const.
7078         (parameters_force_valid_target): New function.
7079         (parameters_clear_target): New function.
7080         * parameters.h (class Parameters): Update declarations.  Remove
7081         default_target method.  Add sized_target and clear_target
7082         methods.  Change target_ to be non-const.
7083         (set_parameters_target): Update declaration.
7084         (parameters_force_valid_target): Declare.
7085         (parameters_clear_target): Declare.
7086         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7087         as NULL if we aren't searching.
7088         (Add_symbols::run): Don't check for compatible target.
7089         * fileread.cc (Input_file::open_binary): Call
7090         parameters_force_valid_target.
7091         * gold.cc (queue_middle_tasks): Likewise.
7092         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7093         set_target on object.
7094         * dynobj.h (class Sized_dynobj): Update declarations.
7095         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7096         make_elf_object returns NULL.
7097         (Archive::include_member): Don't check whether object target is
7098         compatible.
7099         * output.cc (Output_section::add_input_section): Get target from
7100         parameters.
7101         (Output_section::relax_input_section): Likewise.
7102         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7103         parameters.
7104         (Sized_relobj::do_scan_relocs): Likewise.
7105         (Sized_relobj::relocate_sections): Likewise.
7106         * resolve.cc (Symbol_table::resolve): Likewise.
7107         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7108         parameter.  Change all callers.
7109         (Symbol_table::add_from_object): Get target from parameters.
7110         (Symbol_table::add_from_relobj): Don't check object target.
7111         (Symbol_table::add_from_dynobj): Likewise.
7112         (Symbol_table::define_special_symbol): Get target from
7113         parameters.
7114         * symtab.h (class Symbol_table): Update declaration.
7115         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7116         parameter.  Change all callers.  Clear parameter target.
7117         (Binary_test): Test target here.
7118         * testsuite/object_unittest.cc (gold_testsuite): Remove
7119         target_test_pointer parameter.  Change all callers.
7120         (Object_test): Test target here.
7121
7122 2009-09-26  Ian Lance Taylor  <iant@google.com>
7123
7124         * testsuite/initpri1.c: Don't try to use constructor priorities if
7125         compiling with gcc before 4.3.
7126
7127 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7128
7129         * testsuite/retain_symbols_file_test.sh (check_present): Change
7130         output file name to retain_symbols_file_test.stdout.
7131         (check_absent): Likewise.
7132
7133 2009-09-18  Craig Silverstein  <csilvers@google.com>
7134
7135         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7136         * options.cc: Include <cerrno> and <fstream>.
7137         (General_options::finalize): Parse -retain-symbols-file tag.
7138         * options.h: New flag.
7139         (General_options): New method should_retain_symbol, new
7140         variable symbols_to_retain.
7141         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7142         should_retain_symbol map.
7143         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7144         * testsuite/Makefile.in: Regenerate.
7145         * testsuite/retain_symbols_file_test.sh: New file.
7146
7147 2009-09-18  Nick Clifton  <nickc@redhat.com>
7148
7149         * po/es.po: Updated Spanish translation.
7150
7151 2009-09-17  Doug Kwan  <dougkwan@google.com>
7152
7153         * debug.h (DEBUG_RELAXATION): New constant.
7154         (DEBUG_ALL): Add DEBUG_RELAXATION.
7155         (debug_string_to_enum): Add relaxation debug option.
7156         * layout.cc
7157         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7158         Layout::Relaxation_debug_check::read_sections,
7159         Layout::Relaxation_debug_check::read_sections): New method definitions.
7160         (Layout::Layout): Initialize data members
7161         record_output_section_data_from_scrips_,
7162         script_output_section_data_list_ and relaxation_debug_check_.
7163         (Layout::save_segments, Layout::restore_segments,
7164         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7165         Layout::relaxation_loop_body): New method definitions.
7166         (Layout::finalize): Support relaxation.  Move section layout code to
7167         Layout::relaxation_loop_body.
7168         (Layout::set_asection_address_from_script): Move code for orphan
7169         section placement out.
7170         (Layout::place_orphan_sections_in_script): New method definition.
7171         * layout.h (Output_segment_headers, Output_file_header):
7172         New forward class declarations.
7173         (Layout::~Layout): Define.
7174         (Layout::new_output_section_data_from_script): New method definition.
7175         (Layout::place_orphan_sections_in_script): New method declaration.
7176         (Layout::Segment_states): New type declaration.
7177         (Layout::save_segments, Layout::restore_segments,
7178         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7179         Layout::relaxation_loop_body): New method declarations.
7180         (Layout::Output_section_data_list): New type declaration.
7181         (Layout::Relaxation_debug_check): New class definition.
7182         (Layout::record_output_section_data_from_script_,
7183         Layout::script_output_section_data_list_, Layout::segment_states_,
7184         Layout::relaxation_debug_check_): New data members.
7185         * output.cc: (Output_section_headers::do_size): New method definition.
7186         (Output_section_headers::Output_section_headers): Move size
7187         computation to Output_section_headers::do_size.
7188         (Output_segment_headers::do_size): New method definition.
7189         (Output_file_header::Output_file_header): Move size computation to
7190         Output_file_header::do_size and call it.
7191         (Output_file_header::do_size): New method definition.
7192         (Output_data_group::Output_data_group): Adjust call to
7193         Output_section_data.
7194         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7195         (Output_symtab_xindex::do_write): Add array bound check.
7196         (Output_section::Input_section::print_to_mapfile): Handle
7197         RELAXED_INPUT_SECTION_CODE.
7198         (Output_section::Output_section): Initialize data member checkpoint_.
7199         (Output_section::~Output_section): Delete checkpoint object pointed
7200         by checkpoint_.
7201         (Output_section::add_input_section): Always add an Input_section if
7202         relaxing.
7203         (Output_section::add_merge_input_section): Add assert.
7204         (Output_section::relax_input_section): New method definition.
7205         (Output_section::set_final_data_size): Set load address to zero for
7206         an unallocated section.
7207         (Output_section::do_address_and_file_offset_have_reset_values):
7208         New method definition.
7209         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7210         Handle relaxed input section.
7211         (Output_section::sort_attached_input_sections): Checkpoint input
7212         section list lazily.
7213         (Output_section::get_input_sections): Change type of input_sections to
7214         list of Simple_input_section pointers.  Checkpoint input section list
7215         lazily.  Also handle relaxed input sections.
7216         (Output_section::add_input_section_for_script): Take a reference to
7217         a Simple_input_section object instead of Relobj pointer and section
7218         index as parameter.  Handle relaxed input sections.
7219         (Output_section::save_states, Output_section::restore_states): New
7220         method definitions.
7221         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7222         (Output_data::is_data_size_fixed): New method definition.
7223         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7224         if it is fixed.
7225         (Output_data::address_and_file_offset_have_reset_values): New method
7226         definition.
7227         (Output_data::do_address_and_file_offset_have_reset_values): New method
7228         definition.
7229         (Output_data::set_data_size): Check that data size is not fixed.
7230         (Output_data::fix_data_size): New method definition.
7231         (Output_data::is_data_size_fixed_): New data member.
7232         (Output_section_headers::set_final_data_size): New method definition.
7233         (Output_section_headers::do_size): New method declaration.
7234         (Output_segment_headers::set_final_data_size): New method definition.
7235         (Output_segment_headers::do_size): New method declaration.
7236         (Output_file_header::set_final_data_size)::New method definition.
7237         (Output_file_header::do_size)::New method declaration.
7238         (Output_section_data::Output_section_data): Add new parameter
7239         is_data_size_fixed and use it to fix data size.
7240         (Output_data_const::Output_data_const): Adjust call to base class
7241         constructor and fix data size.
7242         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7243         base class constructor and fix data size.
7244         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7245         base class constructor and fix data size.
7246         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7247         class constructor and fix data size.
7248         (Output_data_group::set_final_data_size): New method definition.
7249         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7250         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7251         class constructor and fix data size.
7252         (Output_relaxed_input_section): New class definition.
7253         (Output_section::Simple_input_section): New class definition.
7254         (Output_section::get_input_sections): Adjust parameter list.
7255         (Output_section::add_input_section_for_script): Same.
7256         (Output_section::save_states, Output_section::restore_states,
7257         Output_section::do_address_and_file_offset_have_reset_values,
7258         (Output_section::Input_section::Input_section): Handle
7259         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7260         Output_relaxed_input_section.
7261         (Output_section::Input_section::is_input_section,
7262         Output_section::Input_section::set_output_section): Handle relaxed
7263         input section.
7264         (Output_section::Input_section::is_relaxed_input_section,
7265         Output_section::Input_section::output_section_data,
7266         Output_section::Input_section::relaxed_input_section): New method
7267         definitions.
7268         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7269         value.
7270         (Output_section::Input_section::u1_): Update comments.
7271         (Output_section::Input_section::u2_): Add new union member poris.
7272         (Output_section::Checkpoint_output_section): New classs definition.
7273         (Output_section::relax_input_section): New method declaration.
7274         (Output_section::checkpoint_): New data member.
7275         (Output_segment): Update comments.
7276         (Output_segment::Output_segment): Un-privatize copy constructor.
7277         (Output_segment::operator=): Un-privatize.
7278         * script-sections.cc (Output_section_element::Input_section_list):
7279         Change element type to Output_section::Simple_input_section.
7280         (Output_section_element_dot_assignment::set_section_addresses):
7281         Register output section data for relaxation clean up.
7282         (Output_data_exression::Output_data_expression): Adjust call to base
7283         constructor to fix data size.
7284         (Output_section_element_data::set_section_addresses): Register
7285         Output_data_expression object for relaxation clean up.
7286         (struct Input_section_info): Replace Relobj pointer and section index
7287         pair with Output_section::Simple_input_section and Convert struct to a
7288         class.
7289         (Input_section_sorter::operator()): Adjust access to
7290         Input_section_info data member to use accessors.
7291         (Output_section_element_input::set_section_addresses): Use layout
7292         parameter.  Adjust code to use Output_section::Simple_input_section
7293         and Input_secction_info classes.  Register filler for relaxation
7294         clean up.
7295         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7296         and section index pair with Output_section::Simple_input_section
7297         class.  Adjust code accordingly.
7298         (Phdrs_element::release_segment): New method definition.
7299         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7300         segment list.
7301         (Script_sections::release_segments): New method definition.
7302         * gold/script-sections.h (Script_sections::release_segments): New
7303         method declaration.
7304         * gold/target.h (Target::may_relax, Target::relax,
7305         Target::do_may_relax, Target::do_relax): New method definitions.
7306
7307 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7308
7309         * arm.cc (has_signed_unsigned_overflow): New function.
7310         (Arm_relocate_functions::abs8): New function.
7311         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7312         (Target_arm::Scan::global): Likewise.
7313         (Target_arm::relocate::relocate): Likewise.
7314         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7315         Likewise.
7316
7317 2009-09-16  Cary Coutant  <ccoutant@google.com>
7318
7319         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7320         * testsuite/Makefile.in: Regenerate.
7321
7322 2009-09-11  Nick Clifton  <nickc@redhat.com>
7323
7324         * po/gold.pot: Updated by the Translation project.
7325
7326 2009-09-08  Cary Coutant  <ccoutant@google.com>
7327
7328         * output.cc (Output_file::open): Add execute permission to empty file.
7329         * testsuite/Makefile.am (permission_test): New test.
7330         * testsuite/Makefile.in: Regenerate.
7331
7332 2009-09-02  Ian Lance Taylor  <iant@google.com>
7333
7334         * output.cc (Output_file::resize): Call map_no_anonymous rather
7335         than map.
7336
7337 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7338
7339         * gold.cc: Include "incremental.h".
7340         (queue_initial_tasks): Call Incremental_checker methods.
7341         * incremental.cc: Include "output.h".
7342         (Incremental_checker::can_incrementally_link_output_file): New
7343         method.
7344         * incremental.h (Incremental_checker): New class.
7345
7346         * output.cc (Output_file::open_for_modification): New method.
7347         (Output_file::map_anonymous): Changed return type to bool.  Record
7348         map in base_ field.
7349         (Output_file::map_no_anonymous): New method, broken out of map.
7350         (Output_file::map): Use map_no_anonymous and map_anonymous.
7351         * output.h (class Output_file): Update declarations.
7352
7353 2009-08-24  Cary Coutant  <ccoutant@google.com>
7354
7355         * options.h (Command_line::Pre_options): New class.
7356         (Command_line::pre_options): New member.
7357         * options.cc (gold::options::ready_to_register): New variable.
7358         (One_option::register_option): Do nothing if not registering options.
7359         Assert if same short option registered twice.
7360         (General_options::General_options): Turn off option registration when
7361         done constructing.
7362         (Command_line::Pre_options::Pre_options): New constructor.
7363
7364 2009-08-24  Cary Coutant  <ccoutant@google.com>
7365
7366         * options.h (General_options::no_keep_memory): Remove incorrect
7367         short option.
7368
7369 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7370
7371         * Makefile.am (am__skiplex, am__skipyacc): New.
7372         * Makefile.in: Regenerate.
7373
7374 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7375
7376         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7377         (INCLUDES): ... this.
7378         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7379         (AM_CPPFLAGS): Renamed from ...
7380         (INCLUDE): ... this.
7381         * Makefile.in, testsuite/Makefile.in: Regenerate.
7382
7383         * Makefile.in: Regenerate.
7384         * aclocal.m4: Likewise.
7385         * config.in: Likewise.
7386         * configure: Likewise.
7387         * testsuite/Makefile.in: Likewise.
7388
7389         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7390         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7391         * Makefile.in: Regenerate.
7392         * testsuite/Makefile.in: Regenerate.
7393
7394 2009-08-19  Cary Coutant  <ccoutant@google.com>
7395
7396         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7397         symbols in shared libraries overridden by hidden or internal symbols
7398         in the main program.
7399
7400 2009-08-19  Chris Demetriou  <cgd@google.com>
7401
7402         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7403         checking source file names in error messages.
7404
7405 2009-08-18  Doug Kwan  <dougkwan@google.com>
7406
7407         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7408         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7409         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7410         an elfcpp::Ehdr as parameter.
7411         * object.cc (Object::set_target): Remove the version that looks up
7412         a target and sets it.
7413         (Sized_relobj::setup): Take a Target object instead of
7414         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7415         (make_elf_sized_object): Find target and ask target to
7416         make an ELF object.
7417         * object.h: (Object::set_target): Remove the version that looks up
7418         a target and sets it.
7419         (Sized_relobj::setup): Take a Target object instead of
7420         an elfcpp:Ehdr as parameter.
7421         * target.cc: Include dynobj.h.
7422         (Target::do_make_elf_object_implementation): New.
7423         (Target::do_make_elf_object): New.
7424         * target.h (Target::make_elf_object): New template declaration.
7425         (Target::do_make_elf_object): New method declarations.
7426         (Target::do_make_elf_object_implementation): New template declaration.
7427
7428 2009-08-14  Ian Lance Taylor  <iant@google.com>
7429
7430         * gold.h (FUNCTION_NAME): Define.
7431         (gold_unreachable): Use FUNCTION_NAME.
7432
7433 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7434
7435         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7436         symbol in the --keep-unique list is not found.
7437
7438 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7439
7440         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7441         been maked as --keep-unique.
7442         (Icf::unfold_section): New function.
7443         * icf.h (Icf::unfold_section): New function.
7444         * options.h (General_options::keep_unique): New option.
7445         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7446         * testsuite/Makefile.in: Regenerate.
7447         * testsuite/icf_keep_unique_test.sh: New file.
7448         * testsuite/icf_keep_unique_test.cc: New file.
7449
7450 2009-08-12  Cary Coutant  <ccoutant@google.com>
7451
7452         PR 10471
7453         * resolve.cc (Symbol_table::resolve): Check for references from
7454         dynamic objects to hidden and internal symbols.
7455         * testsuite/Makefile.am (hidden_test.sh): New test.
7456         * testsuite/Makefile.in: Regenerate.
7457         * testsuite/hidden_test.sh: New script.
7458         * testsuite/hidden_test_1.c: New test source.
7459         * testsuite/hidden_test_main.c: New test source.
7460
7461 2009-08-11  Doug Kwan  <dougkwan@google.com>
7462
7463         * arm.cc: Update comments.
7464         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7465         segment to locate the .ARM.exidx section if present.
7466
7467 2009-08-09  Doug Kwan  <dougkwan@google.com>
7468
7469         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7470         patch.
7471
7472 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7473         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7474         compiler warnings.
7475
7476 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7477
7478         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7479         valid tls_segment only for non-debug-section relocations.
7480         * testsuite/Makefile.am: Add gc_tls_test.
7481         * testsuite/Makefile.in: Regenerate.
7482         * testsuite/gc_tls_test.cc: New file.
7483         * testsuite/gc_tls_test.sh: New file.
7484
7485 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7486
7487         * icf.cc: New file.
7488         * icf.h: New file.
7489         * Makefile.am (CCFILES): Add icf.cc.
7490         (HFILES): Add icf.h
7491         * Makefile.in: Regenerate.
7492         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7493         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7494         section, symbol and addend information for the relocs.
7495         * gold.cc (queue_middle_tasks): Call identical code folding.
7496         * gold.h: Add defines for multimap.
7497         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7498         to the call of finalize_local_symbols.
7499         * main.cc (main): Create object of class Icf.
7500         * object.cc (Sized_relobj::do_layout): Allow this function to be
7501         called twice during icf.
7502         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7503         to sections marked as identical by icf.
7504         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7505         when available.
7506         (Sized_relobj::do_section_entsize): New function.
7507         * object.h (Object::section_entsize): New function.
7508         (Object::do_section_entsize): New pure virtual function.
7509         (Relobj::finalize_local_symbols): Add new parameter.
7510         (Relobj::do_section_entsize): New function.
7511         * options.h (General_options::icf): New option.
7512         (General_options::icf_iterations): New option.
7513         (General_options::print_icf_sections): New option.
7514         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7515         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7516         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7517         icf.
7518         * symtab.cc (Symbol_table::is_section_folded): New function.
7519         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7520         to sections marked as identical by icf.
7521         * symtab.h (Symbol_table::set_icf): New function.
7522         (Symbol_table::icf): New function.
7523         (Symbol_table::is_section_folded): New function.
7524         (Symbol_table::icf_): New data member.
7525         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7526         * testsuite/Makefile.am: Add commands to build icf_test.
7527         * testsuite/Makefile.in: Regenerate.
7528         * testsuite/icf_test.sh: New file.
7529         * testsuite/icf_test.cc: New file.
7530
7531 2009-07-24  Chris Demetriou  <cgd@google.com>
7532
7533         * layout.cc (is_compressible_debug_section): Fix incorrect
7534         comment about compressed section names.
7535
7536 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7537
7538         PR 10419
7539         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7540
7541 2009-07-16  Ian Lance Taylor  <iant@google.com>
7542
7543         PR 10400
7544         * layout.h: #include <map>.
7545         (class Kept_section): Change from struct to class.  Add accessors
7546         and setters.  Add section size to Comdat_group mapping.  Change
7547         Comdat_group to std::map.  Add is_comdat_ field.  Add
7548         linkonce_size field in union.
7549         (class Layout): Update declaration of find_or_add_kept_section.
7550         Don't declare find_kept_object.
7551         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7552         parameter.  Add object, shndx, is_comdat, and is_group_name
7553         parameters.  Change all callers.  Adjust for new Kept_section.
7554         (Layout::find_kept_object): Remove.
7555         * object.cc (Sized_relobj::include_section_group): Update use of
7556         Kept_section.  Rename secnum to shndx.  Only record
7557         Kept_comdat_section if sections are the same size.
7558         (Sized_relobj::include_linkonce_section): Update use of
7559         Kept_section.  Only record Kept_comdat_section if sections are the
7560         same size.  Set size of linkonce section.
7561         (Sized_relobj::map_to_kept_section): Update call to
7562         get_kept_comdat_section.
7563         * object.h (class Sized_relobj): Rename fields in
7564         Kept_comdat_section to drop trailing underscores; change object
7565         field to Relobj*.  Change Kept_comdat_section_table to store
7566         struct rather than pointer.
7567         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7568         Add kept_object and kept_shndx parameters.  Change all callers.
7569         (Sized_relobj::get_kept_comdat_section): Change return type to
7570         bool.  Add kept_object and kept_shndx parameters.  Change all
7571         callers.
7572         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7573         Layout::find_or_add_kept_section.
7574
7575 2009-07-09  Ian Lance Taylor  <iant@google.com>
7576
7577         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7578         Reserve space in the hash table.
7579
7580 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7581
7582         * fileread.cc (File_read::get_mtime): New method.
7583         * fileread.h (Timespec): New structure.
7584         (File_read::get_mtime): New method.
7585         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7586         Renamed from timestamp_nsec.
7587         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7588         Elf_Xword.
7589         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7590         timestamp_nsec.
7591         (Incremental_inputs::report_archive): Save mtime; style fix.
7592         (Incremental_inputs::report_obejct): Save mtime; style fix.
7593         (Incremental_inputs::report_script): Save mtime; style fix.
7594         (Incremental_inputs::finalize_inputs): Style fix.
7595         (Incremental_inputs::finalize): Style fix.
7596         (Incremental_inputs::create_input_section_data): Store inputs
7597         mtime.
7598         * incremental.h (Incremental_inputs::report_script): Add mtime
7599         argument.
7600         (Incremental_inputs::Input_info::Input_info): Intialize only one
7601         union member.
7602         (Incremental_inputs::Input_info::archive): Move to nameless
7603         union.
7604         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7605         (Incremental_inputs::Input_info::script): Move to nameless union.
7606         (Incremental_inputs::mtime): New field.
7607         * script.cc (read_input_script): Pass file mtime to
7608         Incremental_input.
7609         * script.h (Script_info::inputs): Style fix.
7610
7611 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7612
7613         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7614         instead of 32.
7615
7616 2009-06-24  Ian Lance Taylor  <iant@google.com>
7617
7618         PR 10156
7619         * layout.cc (Layout::choose_output_section): If we find an
7620         existing section, update the flags.
7621         (Layout::create_notes): New function, broken out of
7622         Layout::finalize.
7623         (Layout::finalize): Don't create note sections.
7624         (Layout::create_note): Don't crash if linker script discards
7625         section.
7626         (Layout::create_gold_note): Likewise.
7627         (Layout::create_build_id): Likewise.  Don't set
7628         after_input_sections on the section.
7629         (Layout::create_executable_stack_info): Remove target parameter.
7630         Change caller.
7631         * layout.h (class Layout): Declare create_notes.  Update
7632         declaration of create_executable_stack_info.
7633         * gold.cc (queue_middle_tasks): Call create_notes.
7634         * output.cc (Output_section::update_flags_for_input_section): Move
7635         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7636         invalid.
7637         * output.h (Output_data::mark_address_invalid): New function.
7638         (class Output_section): Only declare, not define,
7639         update_flags_for_input_section.  Remove set_flags.
7640
7641 2009-06-24  Ian Lance Taylor  <iant@google.com>
7642
7643         * script-sections.cc (Output_section_definition::
7644         set_section_addresses): Rename shadowing local load_address to
7645         laddr.
7646
7647 2009-06-24  Ian Lance Taylor  <iant@google.com>
7648
7649         PR 10244
7650         * reloc.cc (relocate_sections): Skip empty relocation sections.
7651
7652 2009-06-23  Ian Lance Taylor  <iant@google.com>
7653
7654         PR 10156
7655         * layout.cc (Layout::create_note): Use choose_output_section
7656         rather than make_output_section.
7657
7658 2009-06-23  Ian Lance Taylor  <iant@google.com>
7659
7660         PR 10237
7661         * options.cc (General_options::parse_V): Set printed_version_.
7662         (General_options::General_options): Initialize printed_version_.
7663         * options.h (class General_options): Add printed_version_ field.
7664         * gold.cc (queue_initial_tasks): If there are no input files,
7665         don't give a fatal error if we printed the version information.
7666         (queue_middle_tasks): If using -r with a shared object, give a
7667         fatal error rather than an ordinary error.
7668
7669 2009-06-23  Ian Lance Taylor  <iant@google.com>
7670
7671         PR 10219
7672         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7673         (Layout::make_output_section): Set have_stabstr_section_ if we see
7674         a .stab*str section.
7675         (Layout::finalize): Call link_stabs_sections.
7676         (Layout::link_stabs_sections): New file.
7677         * layout.h (class Layout): Add have_stabstr_section_ field.
7678         Declare link_stabs_sections.
7679
7680 2009-06-23  Doug Kwan  <dougkwan@google.com>
7681
7682         * Makefile.am (libgold_a_LIBADD): New.
7683         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7684         * Makefile.in: Regenerate.
7685         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7686         * configure: Regenerate.
7687         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7688         * fileread.cc: Include sys/state.h
7689         * gold.h: Declare memmem and strndup if found missing.
7690         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7691
7692 2009-06-23  Ian Lance Taylor  <iant@google.com>
7693
7694         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7695         * configure: Rebuild.
7696
7697 2009-06-23  Ian Lance Taylor  <iant@google.com>
7698
7699         PR 10147
7700         * object.cc (Object::section_contents): Don't try to get a view if
7701         the section has length zero.
7702         (Object::handle_gnu_warning_section): If the section is empty, use
7703         the name of the section as the warning.
7704
7705 2009-06-23  Ian Lance Taylor  <iant@google.com>
7706
7707         PR 10133
7708         * stringpool.h (class Stringpool_template): Add optimize_ field.
7709         (Stringpool_template::set_optimize): New function.
7710         * stringpool.cc (Stringpool_template::Stringpool_template):
7711         Initialize optimize_ field.
7712         (Stringpool_template::set_string_offsets): Test local optimize
7713         fild rather than parameter.
7714         * layout.cc (Layout::Layout): Call set_optimize on the section
7715         name stringpool.
7716
7717 2009-06-22  Ian Lance Taylor  <iant@google.com>
7718
7719         PR 10030
7720         * yyscript.y: Parse TARGET.
7721         * script.cc (script_set_target): New function.
7722         * script-c.h (script_set_target): Declare.
7723         * options.cc (General_options::string_to_object_format): Rename
7724         from string_to_object_format in anonymous namespace.  Change
7725         callers.
7726         * options.h (class General_options): Declare
7727         string_to_object_format.
7728
7729 2009-06-22  Ian Lance Taylor  <iant@google.com>
7730
7731         * script-sections.cc (Script_sections::create_segments): Don't put
7732         program headers in a PT_LOAD segment if -n or -N.
7733
7734 2009-06-22  Ian Lance Taylor  <iant@google.com>
7735
7736         PR 10141
7737         * options.h (class General_options): Add -z lazy and -z now.  Sort
7738         -z options into alphabetical order.
7739         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7740
7741 2009-06-21  Ian Lance Taylor  <iant@google.com>
7742
7743         * layout.cc (Layout::make_output_section): Call
7744         Target::new_output_section.
7745         (Layout::attach_allocated_section_to_segment): Put large section
7746         sections in a separate load segment with the large segment flag
7747         set.
7748         (Layout::segment_precedes): Sort large data segments after other
7749         load segments.
7750         (align_file_offset): New static function.
7751         (Layout::set_segment_offsets): Use align_file_offset.
7752         * output.h (class Output_section): Add is_small_section_ and
7753         is_large_section_ fields.
7754         (Output_section::is_small_section): New function.
7755         (Output_section::set_is_small_section):  New function.
7756         (Output_section::is_large_section): New function.
7757         (Output_section::set_is_large_section): New function.
7758         (Output_section::is_large_data_section): New function.
7759         (class Output_segment): Add is_large_data_segment_ field.
7760         (Output_segment::is_large_data_segment): New function.
7761         (Output_segment::set_is_large_data_segment): New function.
7762         * output.cc (Output_section::Output_section): Initialize new
7763         fields.
7764         (Output_segment::Output_segment): Likewise.
7765         (Output_segment::add_output_section): Add assertion that large
7766         data sections always go in large data segments.  Force small data
7767         sections to the end of the list of data sections.  Force small BSS
7768         sections to the start of the list of BSS sections.  For large BSS
7769         sections to the end of the list of BSS sections.
7770         * symtab.h (class Symbol): Declare is_common_shndx.
7771         (Symbol::is_defined): Check Symbol::is_common_shndx.
7772         (Symbol::is_common): Likewise.
7773         (class Symbol_table): Define enum Commons_section_type.  Update
7774         declarations.  Add small_commons_ and large_commons_ fields.
7775         * symtab.cc (Symbol::is_common_shndx): New function.
7776         (Symbol_table::Symbol_table): Initialize new fields.
7777         (Symbol_table::add_from_object): Put small and large common
7778         symbols in the right list.
7779         (Symbol_table::sized_finalized_symbol): Check
7780         Symbol::is_common_shndx.
7781         (Symbol_table::sized_write_globals): Likewise.
7782         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7783         common symbol lists.  Don't call do_allocate_commons_list if the
7784         list is empty.
7785         (Symbol_table::do_allocate_commons_list): Remove is_tls
7786         parameter.  Add comons_section_type parameter.  Change all
7787         callers.  Handle small and large common symbols.
7788         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7789         Symbol::is_common_shndx.
7790         * resolve.cc (symbol_to_bits): Likewise.
7791         * target.h (Target::small_common_shndx): New function.
7792         (Target::small_common_section_flags): New function.
7793         (Target::large_common_shndx): New function.
7794         (Target::large_common_section_flags): New function.
7795         (Target::new_output_section): New function.
7796         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7797         small_common_section_flags, and large_common_section_flags
7798         fields.
7799         (Target::do_new_output_section): New virtual function.
7800         * arm.cc (Target_arm::arm_info): Initialize new fields.
7801         * i386.cc (Target_i386::i386_info): Likewise.
7802         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7803         Likewise.
7804         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7805         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7806         (Target_x86_64::do_new_output_section): New function.
7807         * configure.ac: Define conditional MCMODEL_MEDIUM.
7808         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7809         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7810         (large_LDFLAGS): Define.
7811         * testsuite/large.c: New file.
7812         * testsuite/testfile.cc (Target_test::test_target_info):
7813         Initialize new fields.
7814         * configure, testsuite/Makefile.in: Rebuild.
7815
7816 2009-06-05  Doug Kwan  <dougkwan@google.com>
7817
7818         * Makefile.am (CCFILES): Add target.cc.
7819         * Makefile.in: Regenerate.
7820         * i386.cc (class Target_i386): Define new virtual method to
7821         override do_is_local_label_name in parent.
7822         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7823         local symbols if --discard-locals or -X is given.
7824         * options.h (class General_options): Declare new options
7825         '--discard-locals' and '-X' for discarding locals.
7826         * target.h (class Target): Define new methods is_local_label_name.
7827         Declare new virtual method do_is_local_label_name.
7828         * target.cc: New file.
7829         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7830         (check_SCRIPTS): Add discard_locals_test.sh.
7831         (check_DATA): Add discard_local_tests.syms.
7832         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7833         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7834         * testsuite/Makefile.in: Regenerate.
7835         * testsuite/discard_locals_test.c: New file.
7836         * testsuite/discard_locals_test.sh: Same.
7837
7838 2009-06-05  Doug Kwan  <dougkwan@google.com>
7839
7840         * object.cc (Sized_relobj::Sized_relobj): Initialize
7841         discarded_eh_frame_shndx_ to -1U.
7842         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7843         section.
7844         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7845         a discarded .eh_frame section.
7846         (Sized_relobj::do_finalize_local_symbols): Ditto.
7847         * object.h (class Sized_relobj): Declare new member
7848         discarded_eh_frame_shndx_.
7849         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7850         (local_labels_test.o, local_labels_test): New rules.
7851         * testsuite/Makefile.in: Regenerate.
7852
7853 2009-06-04  Doug Kwan  <dougkwan@google.com>
7854
7855         * layout.cc (Layout::section_name_mapping): Add mapping for
7856         special ARM sections.
7857
7858 2009-06-03  Doug Kwan  <dougkwan@google.com>
7859
7860         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7861         (utils::has_overflow): Same.
7862
7863 2009-06-03  Ian Lance Taylor  <iant@google.com>
7864
7865         * layout.cc (Layout::section_name_mapping): New array, replacing
7866         Layout::linkonce_mapping.
7867         (Layout::section_name_mapping_count): New variable, replacing
7868         Layout::linkonce_mapping_count.
7869         (Layout::linkonce_output_name): Remove.
7870         (Layout::output_section_name): Rewrite.
7871         * layout.h (class Layout): Rename Linkonce_mapping to
7872         Section_name_mapping, linkonce_mapping to section_name_mapping,
7873         linkonce_mapping_count to section_name_mapping_count.  Don't
7874         declare linkonce_output_name.
7875
7876 2009-06-03  Doug Kwan  <dougkwan@google.com>
7877
7878         * gold/arm.cc (namespace utils): New.
7879         (Target_arm::reloc_is_non_pic): Define new method.
7880         (class Arm_relocate_functions): New.
7881         (Target_arm::Relocate::relocate): Handle relocation types used by
7882         Android.
7883
7884 2009-06-03  Ian Lance Taylor  <iant@google.com>
7885
7886         * arm.cc (Target_arm::scan::global): Use || instead of |.
7887
7888 2009-06-02  Doug Kwan  <dougkwan@google.com>
7889
7890         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7891         issued_non_pic_error_.
7892         (class Target_arm::Scan): Declare new method check_non_pic.
7893         Define new method symbol_needs_plt_entry.
7894         Declare new data member issued_non_pic_error_.
7895         (class Target_arm::Relocate): Declare new method
7896         should_apply_static_reloc.
7897         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7898         (Target_arm::Scan::check_non_pic): Define new method.
7899         (Target_arm::Scan::local): Handle a small subset of reloc types used
7900         by Android.
7901         (Target_arm::Scan::local): Same.
7902         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7903
7904 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7905
7906         * incremental.cc (Incremental_inputs::report_command_line): Filter
7907         out --incremental-* options.
7908
7909 2009-05-29  Doug Kwan  <dougkwan@google.com>
7910
7911         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7912         template class.
7913         (class Target_arm): Update comment.
7914         (Target_arm::Target_arm): Initialize new data members GOT_,
7915         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7916         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7917         and Target_arm::rel_dyn_section.
7918         Declare new_enum Target_arm::Got_type.
7919         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7920         and DYNBSS_.
7921         Update commments for member do_dynsym_value.
7922         (Target_arm::got_size, Target_arm::plt_section,
7923         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7924         new methods inside class defintion.
7925         (Target_arm::got_section): Define new method.
7926         (Target_arm::rel_dyn_section): Same.
7927         (Output_data_plt_arm): New template class.
7928         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7929         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7930         (Output_data_plt_arm::add_entry): Same.
7931         (Output_data_plt_arm::first_plt_entry): Define new
7932         static data member for PLT instruction template.
7933         (Output_data_plt_arm::plt_entry): Same.
7934         (Output_data_plt_arm::do_write): Define new method.
7935         (Target_arm::make_plt_entry): Same.
7936         (Target_arm::do_finalize_sections): Same.
7937         (Target_arm::do_dynsym_value): Same.
7938
7939 2009-05-28  Doug Kwan  <dougkwan@google.com>
7940
7941         * Makefile.am (TARGETSOURCES): Add arm.cc.
7942         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7943         * Makefile.in: Regenerate.
7944         * arm.cc: New file.
7945         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7946
7947 2009-05-26  Doug Kwan  <dougkwan@google.com>
7948
7949         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7950         (General_options::check_excluded_libs): Strip off directories in
7951         archive name before matching like GNU ld does.
7952         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7953         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7954         (exclude_libs_test_LDFLAGS): Add linker option
7955         -Wl,--exclude-libs,libexclude_libs_test_3
7956         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7957         an explicit archive without using -l.
7958         (alt/libexclude_libs_test_3.a): New make rule.
7959         * testsuite/Makefile.in: Regenerate.
7960         * testsuite/exclude_libs_test.c : Declare lib3_default().
7961         (main): Call it.
7962         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7963         * exclude_libs_test_3.c: New file.
7964
7965 2009-05-26  Nick Clifton  <nickc@redhat.com>
7966
7967         * po/id.po: New Indonesian translation.
7968         * po/gold.pot: Updated template file.
7969
7970 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7971
7972         * testsuite/Makefile.am: Add -ffunction-sections to compile
7973         gc_comdat_test files.  Add -Wl,--gc-sections to build
7974         gc_comdat_test.
7975         * testsuite/Makefile.in: Regenerate.
7976         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7977
7978 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7979
7980         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7981         kept comdat section was garbage collected.
7982         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7983         * testsuite/Makefile.in: Regenerate.
7984         * testsuite/gc_comdat_test.sh: New file.
7985         * testsuite/gc_comdat_test_1.cc: New file.
7986         * testsuite/gc_comdat_test_2.cc: New file.
7987
7988 2009-05-19  Doug Kwan  <dougkwan@google.com>
7989
7990         * archive.cc (Archive::Archive): Move constructor from archive.h
7991         to here.  Initialize no_export_.
7992         (Archive::get_elf_object_for_member): Set no_export flag of object.
7993         * archive.h (Archive::Archive): Move constructor body to
7994         archive.cc.
7995         (Archive::no_export): New method.
7996         (Archive::no_export_): New field.
7997         * object.h (Object::Object): Initialize no_export_ to false.
7998         (Object::no_export, Object::set_no_export): New methods.
7999         (Object::no_export_): New field.
8000         * options.cc (General_options::parse_exclude_libs): New method.
8001         (General_options::check_excluded_libs) Same.
8002         * options.h (exclude_libs): New option.
8003         (General_options::check_excluded_libs): New method declaration.
8004         (General_options::excluded_libs_): New field.
8005         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8006         default or protected visibility if an object has no-export flag set.
8007         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8008         (check_SCRIPTS): Add exclude_libs_test.sh.
8009         (check_DATA): Add exclude_libs_test.syms.
8010         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8011         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8012         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8013         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8014         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8015         libexclude_libs_test_2.a): New rules.
8016         * testsuite/Makefile.in: Regenerate.
8017         * testsuite/exclude_libs_test.c: New file.
8018         * testsuite/exclude_libs_test.sh: Ditto.
8019         * testsuite/exclude_libs_test_1.c: Ditto.
8020         * testsuite/exclude_libs_test_2.c: Ditto.
8021
8022 2009-05-15  Ian Lance Taylor  <iant@google.com>
8023
8024         * configure.ac: Check for declarations for cases where libiberty.h
8025         checks HAVE_DECL_xxx.
8026         * configure, config.in: Rebuild.
8027
8028 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8029
8030         * gold.h (Incremental_argument_list): Remove (invalid) forward
8031         declaration.
8032         * incremental.cc (Incremental_inputs::report_achive): New method.
8033         (Incremental_inputs::report_object): New method.
8034         (Incremental_inputs::report_script): New method.
8035         (Incremental_inputs::finalize_inputs): New method.
8036         (Incremental_inputs::finalize): Call finalize_inputs().
8037         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8038         Create inputs entries.
8039         * incremental.h (Incremental_input_type): New enum.
8040         (Incremental_inputs::Incremental_input): Initialize new fields.
8041         (Incremental_inputs::report_inputs): New method.
8042         (Incremental_inputs::report_achive): New method.
8043         (Incremental_inputs::report_object): New method.
8044         (Incremental_inputs::report_script): New method.
8045         (Incremental_inputs::finalize_inputs): New method.
8046         (Incremental_inputs::Input_info): New struct.
8047         (Incremental_inputs::Input_info_map): New typedef.
8048         (Incremental_inputs::lock_): New field.
8049         (Incremental_inputs::Inputs_): New field.
8050         (Incremental_inputs::Inputs_map): New field.
8051         * main.cc (main): Call Incremental_input::report_inputs.
8052         * options.h (Input_argument_list): Typedef moved from
8053         Input_arguments.
8054         (Input_file_group::Files): Remove, use ::Input_argument_list.
8055         (Input_file_group::Input_argument_list): Remove, use
8056         ::Input_argument_list.
8057         * plugin.cc (Plugin_manager::add_input_file): Add error in
8058         incremental build.
8059         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8060         functions.
8061         * script.cc (read_input_script): Call
8062         Incremental_input::report_script.
8063         * script.h (Script_info): New class.
8064
8065 2009-04-27  Ian Lance Taylor  <iant@google.com>
8066
8067         * x86_64.cc (do_adjust_output_section): Set entsize to
8068         plt_entry_size.
8069
8070 2009-04-23  Elliott Hughes  <enh@google.com>
8071
8072         * output.cc (Output_file::close): After short writes, continue
8073         writing from the correct offset in the buffer being written.
8074
8075 2009-04-23  Chris Demetriou  <cgd@google.com>
8076
8077         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8078         * configure: Regenerate.
8079         * config.in: Regenerate.
8080         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8081         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8082
8083 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8084
8085         * incremental.cc (Incremental_inputs_header_data): Renamed from
8086         Incremental_input_header_data.
8087         (Incremental_inputs_header_data::data_size): New field.
8088         (Incremental_inputs_header_data::put_input_file_count): Renamed
8089         from input_file_count.
8090         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8091         from command_line_offset.
8092         (Incremental_inputs_header_data::put_reserved): Renamed from
8093         put_reserved.
8094         (Incremental_inputs_entry_data): Renamed from
8095         Incremental_input_entry_data.
8096         (Incremental_inputs_entry_data::data_size): New field.
8097         (Incremental_inputs::report_command_line): New method.
8098         (Incremental_inputs::finalize): New method.
8099         (Incremental_inputs::create_incremental_inputs_data): New method.
8100         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8101         * incremental.h: New file.
8102         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8103        (Layout::finalize): Create incremental inputs section in
8104         incremental builds.
8105        (Layout::create_incremental_info_sections): New method.
8106         * layout.h (Layout::incremental_inputs): New method.
8107        (Layout::create_incremental_info_sections): New method.
8108        (Layout::incremental_inputs_): New field.
8109         * main.cc (main): Notify Incremental_input of the command line.
8110
8111 2009-04-01  Ian Lance Taylor  <iant@google.com>
8112             Mikolaj Zalewski  <mikolajz@google.com>
8113
8114         * gold.h (reserve_unordered_map): Define, three versions, one for
8115         each version of Unordered_map.
8116         * layout.cc (Layout::Layout): Remove options parameter.  Add
8117         number_of_input_files parameter.  Don't initialize options_.
8118         Initialize number_of_input_files_ and resized_signatures_.  Move
8119         sections_are_attached_.
8120         (Layout::layout_group): Reserve space for group_signatures_.
8121         (Layout::find_or_add_kept_section): Change name parameter to be a
8122         reference.  Resize signatures_ map when it gets large enough.
8123         (Layout::layout_eh_frame): Use parameters->options() instead of
8124         this->options_.
8125         (Layout::make_output_section): Likewise.
8126         (Layout::attach_allocated_section_to_segment): Likewise.
8127         (Layout::finalize, Layout::create_executable_stack): Likewise.
8128         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8129         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8130         * layout.h (class Layout): Update declarations.  Remove options_
8131         field.  Add number_of_input_files_ and resized_signatures_
8132         fields.  Move sections_are_attached_ field.
8133         * main.cc (main): Pass number of input files to Layout
8134         constructor.  Don't pass options.
8135
8136 2009-03-30  Ian Lance Taylor  <iant@google.com>
8137
8138         * ffsll.c (ffsll): Correct implementation.
8139
8140 2009-03-27  Ian Lance Taylor  <iant@google.com>
8141
8142         * ffsll.c: New file.
8143         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8144         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8145         * ftruncate.c (ftruncate): Declare before definition.
8146         * mremap.c (mremap): Likewise.
8147         * pread.c (pread): Likewise.
8148         * configure, Makefile.in, config.in: Rebuild.
8149
8150         * mremap.c: New file.
8151         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8152         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8153         (mremap): Declare if HAVE_MREMAP is not defined.
8154         * configure, Makefile.in, config.in: Rebuild.
8155
8156 2009-03-27  Cary Coutant  <ccoutant@google.com>
8157
8158         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8159         position independent.
8160         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8161         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8162
8163 2009-03-24  Cary Coutant  <ccoutant@google.com>
8164
8165         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8166         an executable.
8167         (needs_dynamic_reloc): Likewise.
8168
8169 2009-03-24  Ian Lance Taylor  <iant@google.com>
8170
8171         * yyscript.y (file_cmd): Recognize EXTERN.
8172         (extern_name_list, extern_name_list_body): New nonterminals.
8173         * script.cc (script_add_extern): Define.
8174         * script-c.h (script_add_extern): Declare.
8175
8176 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8177
8178         * object.cc (is_elf_object): Define.
8179         * object.h (is_elf_object): Declare.
8180         * archive.cc (Archive::get_elf_object_for_member): Call
8181         is_elf_object.
8182         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8183
8184 2009-03-24  Elliott Hughes  <enh@google.com>
8185
8186         * output.cc (Output_file::map_anonymous): Define.
8187         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8188         try an anonymous one.  Report the size if the mmap fails.
8189         * output.h (class Output_file): Declare map_anonymous.
8190
8191 2009-03-24  Ian Lance Taylor  <iant@google.com>
8192
8193         * target-select.cc (instantiate_target): Don't acquire the lock if
8194         the instantiated_target_ field has already been set.
8195
8196 2009-03-23  Ian Lance Taylor  <iant@google.com>
8197
8198         * gold-threads.h (class Initialize_lock): Define.
8199         * gold-threads.cc (class Initialize_lock_once): Define.
8200         (initialize_lock_control): New static variable.
8201         (initialize_lock_pointer): New static variable.
8202         (initialize_lock_once): New static function.
8203         (Initialize_lock::Initialize_lock): Define.
8204         (Initialize_lock::initialize): Define.
8205         * target-select.h: Include "gold-threads.h".
8206         (class Target_selector): Add lock_ and initialize_lock_ fields.
8207         Don't define instantiate_target, just declare it.
8208         * target-select.cc (Target_selector::Target_selector): Initialize
8209         new fields.
8210         (Target_selector::instantiate_target): Define.
8211         * descriptors.h: Include "gold-threads.h".
8212         (class Descriptors): Add initialize_lock_ field.
8213         * descriptors.cc (Descriptors::Descriptors): Initialize new
8214         field.
8215         (Descriptors::open): Use initialize_lock_ field
8216         * errors.h (class Errors): Add initialize_lock_ field.
8217         * errors.cc (Errors::Errors): Initialize new field.
8218         (Errors::initialize_lock): Use initialize_lock_ field.
8219         * powerpc.cc (class Target_selector_powerpc): Remove
8220         instantiated_target_ field.  In do_recognize call
8221         instantiate_target rather than do_instantiate_target.  In
8222         do_instantiate_target just allocate a new target.
8223         * sparc.cc (class Target_selector_sparc): Likewise.
8224
8225         * freebsd.h: New file.
8226         * i386.cc: Include "freebsd.h".
8227         (Target_i386): Derive from Target_freebsd rather than
8228         Sized_target.
8229         (Target_selector_i386): Derive from Target_selector_freebsd rather
8230         than Target_selector.
8231         * x86_64.cc: Include "freebsd.h".
8232         (Target_x86_64): Derive from Target_freebsd rather than
8233         Sized_target.
8234         (Target_selector_x86_64): Derive from Target_selector_freebsd
8235         rather than Target_selector.
8236         * target.h (class Target): Add adjust_elf_header and
8237         do_adjust_elf_header.
8238         * output.cc (Output_file_header:: do_sized_write): Call target
8239         adjust_elf_header routine.
8240         * configure.tgt: Set targ_osabi.
8241         * configure.ac: Define GOLD_DEFAULT_OSABI.
8242         * parameters.cc (Parameters::default_target): Pass
8243         GOLD_DEFAULT_OSABI to select_target.
8244         * target-select.h (class Target_selector): Make instantiate_target
8245         protected rather than private.
8246         * Makefile.am (HFILES): Add freebsd.h.
8247         * configure, Makefile.in, config.in: Rebuild.
8248
8249         * merge.cc (do_add_input_section): Correct pend value.  Change
8250         message about last entry not being null terminated from error to
8251         warning.
8252
8253 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8254
8255         * incremental.cc: New file.
8256         * Makefile.am (CCFILES): Add incremental.cc.
8257         * Makefile.in: Rebuild.
8258
8259 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8260
8261         * layout.cc (Layout::output_section_name): Preserve names
8262         of '.note.' sections.
8263
8264 2009-03-19  Ian Lance Taylor  <iant@google.com>
8265
8266         * descriptors.cc (Descriptors::open): Check that the options are
8267         valid before using them.
8268
8269 2009-03-18  Ian Lance Taylor  <iant@google.com>
8270
8271         * script-sections.h: Include <list>.
8272         (class Script_sections): Change Sections_elements from std::vector
8273         to std::list.  Typedef public Elements_iterator.  Add
8274         orphan_section_placement_, data_segment_align_start_, and
8275         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8276         field.
8277         * script-sections.cc (class Orphan_section_placement): New class.
8278         (class Sections_element): Add virtual functions is_relro and
8279         orphan_section_init.  Remove virtual function place_orphan_here.
8280         (class Output_section_definition): Add is_relro and
8281         orphan_section_init.  Remove place_orphan_here.
8282         (class Orphan_output_section): Likewise.
8283         (Script_sections::Script_sections): Update for field changes.
8284         (Script_sections::data_segment_align): Set saw_data_segment_align_
8285         and data_segment_align_start_, not data_segment_align_index.
8286         (Script_sections::data_segment_relro_end): Check
8287         saw_data_segment_align_.  Use data_segment_align_start_ rather
8288         than data_segment_align_index_.
8289         (Script_sections::place_orphan): Rewrite to use
8290         Orphan_section_placement.
8291
8292 2009-03-17  Ian Lance Taylor  <iant@google.com>
8293
8294         * archive.cc (Archive::add_symbols): Check for a version attached
8295         to the symbol name in the archive map.
8296         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8297         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8298         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8299         (ver_test_11.a): New target.
8300         * testsuite/Makefile.in: Rebuild.
8301
8302         * configure.ac: Check for chsize and posix_fallocate.  Replace
8303         ftruncate.
8304         * ftruncate.c: New file, from gnulib.
8305         * output.cc (posix_fallocate): Define dummy version if not
8306         HAVE_POSIX_FALLOCATE.
8307         (Output_file::map): Call posix_fallocate rather than lseek and
8308         write.
8309         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8310         * configure, Makefile.in, config.in: Rebuild.
8311
8312 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8313
8314         * layout.h (Layout::create_note): Add section_name parameter.
8315         * layout.cc (Layout::create_note): Likewise.
8316         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8317
8318 2009-03-17  Ian Lance Taylor  <iant@google.com>
8319
8320         * descriptors.cc: Include "options.h".
8321         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8322         (Descriptors::open): Always use O_CLOEXEC when opening a new
8323         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8324         then set FD_CLOEXEC.
8325
8326         * sparc.cc (class Target_sparc): Add has_got_section.
8327         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8328         make sure we have a GOT section.
8329
8330         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8331         (Target_sparc::Scan::local): Likewise.
8332         (Target_sparc::Scan::global): Likewise.
8333         (Target_sparc::Relocate::relocate): Likewise.
8334         (Target_sparc::Relocate::relocate_tls): Likewise.
8335
8336         * symtab.cc (Symbol_table::define_default_version): New function,
8337         broken out of add_from_object.
8338         (Symbol_table::add_from_object): Call define_default_version.
8339         (Symbol_table::define_special_symbol): Add resolve_oldsym
8340         parameter.  Change all callers.  If the version for a symbol comes
8341         from a version script, resolve it with the symbol with the same
8342         name with no version.  Also add the symbol without a version if
8343         appropriate.
8344         (do_define_in_output_data): If resolving with oldsym, don't delete
8345         sym.
8346         (do_define_in_output_segment): Likewise.
8347         (do_define_as_constant): Likewise.
8348         * symtab.h (class Symbol_table): Update declarations.
8349
8350 2009-03-13  Ian Lance Taylor  <iant@google.com>
8351
8352         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8353         (Read_symbols::requeue): New function.
8354         (Read_symbols::do_read_symbols): If make_elf_object fails because
8355         the target type is not configured, and the file was searched for,
8356         issue a warning and retry with the next directory.
8357         (Add_symbols::run): If the file has an incompatible format, and
8358         it was searched for, requeue the Read_symbols task.  On error,
8359         release the object.
8360         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8361         dirindex parameter to constructor.  Change all callers.  Declare
8362         incompatible_warning and requeue.
8363         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8364         input_argument_ and input_group_ fields.  Add them to
8365         constructor.  Change all callers.
8366         (class Read_script): Add dirindex_ field.  Add it to constructor.
8367         Change all callers.
8368         * archive.cc (Archive::setup): Remove input_objects parameter.
8369         Change all callers.
8370         (Archive::get_file_and_offset): Likewise.
8371         (Archive::read_all_symbols): Likewise.
8372         (Archive::read_symbols): Likewise.
8373         (Archive::get_elf_object_for_member): Remove input_objects
8374         parameter.  Add punconfigured parameter.  Change all callers.
8375         (Archive::add_symbols): Change return type to bool.  Check return
8376         value of include_member.
8377         (Archive::include_all_members): Likewise.
8378         (Archive::include_member): Change return type to bool.  Return
8379         false if first included object has incompatible target.  Set
8380         included_member_ field.
8381         (Add_archive_symbols::run): If add_symbols returns false, requeue
8382         Read_symbols task.
8383         * archive.h (class Archive): Add included_member_ field.
8384         Initialize it in constructor.  Add input_file and searched_for
8385         methods.  Update declarations.
8386         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8387         input_argument_ fields.  Add them to constructor.  Change all
8388         callers.
8389         * script.cc: Include "target-select.h".
8390         (class Parser_closure): Add skip_on_incompatible_target_ and
8391         found_incompatible_target_ fields.  Add
8392         skip_on_incompatible_target parameter to constructor.  Change all
8393         callers.  Add methods skip_on_incompatible_target,
8394         clear_skip_on_incompatible_target, found_incompatible_target, and
8395         set_found_incompatible_target.
8396         (read_input_script): Add dirindex parameter.  Change all callers.
8397         If parser finds an incompatible target, requeue Read_symbols
8398         task.
8399         (script_set_symbol): Clear skip_on_incompatible_target in
8400         closure.
8401         (script_add_assertion, script_parse_option): Likewise.
8402         (script_start_sections, script_add_phdr): Likewise.
8403         (script_check_output_format): New function.
8404         * script.h (read_input_script): Update declaration.
8405         * script-c.h (script_check_output_format): Declare.
8406         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8407         (ignore_cmd): Remove OUTPUT_FORMAT.
8408         * fileread.cc (Input_file::Input_file): Add explicit this.
8409         (Input_file::will_search_for): New function.
8410         (Input_file::open): Add pindex parameter.  Change all callers.
8411         * fileread.h (class Input_file): Add input_file_argument method.
8412         Declare will_search_for.  Update declarations.
8413         * object.cc (make_elf_object): Add punconfigured parameter.
8414         Change all callers.
8415         * object.h (class Object): Make input_file public.  Add
8416         searched_for method.
8417         (make_elf_object): Update declaration.
8418         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8419         restart search.
8420         * dirsearch.h (class Dirsearch): Update declaration.
8421         * options.h (class General_options): Add --warn-search-mismatch.
8422         * parameters.cc (Parameters::is_compatible_target): New function.
8423         * parameters.h (class Parameters): Declare is_compatible_target.
8424         * workqueue.cc (Workqueue::add_blocker): New function.
8425         * workqueue.h (class Workqueue): Declare add_blocker.
8426
8427         * fileread.cc (Input_file::open): Remove options parameter.
8428         Change all callers.
8429         (Input_file::open_binary): Likewise.
8430         * script.cc (read_input_script): Likewise.
8431         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8432         options parameter from constructor.  Change all callers.
8433         (class Read_script): Likewise.
8434         * fileread.h (class Input_file): Update declarations.
8435         * script.h (read_input_script): Update declaration.
8436
8437 2009-03-10  Nick Clifton  <nickc@redhat.com>
8438
8439         * po/es.po: New Spanish translation.
8440
8441 2009-03-06  Cary Coutant  <ccoutant@google.com>
8442
8443         * options.cc (parse_short_option): Keep dash_z from registering itself.
8444
8445 2009-03-03  Ian Lance Taylor  <iant@google.com>
8446
8447         PR 9918
8448         * target-reloc.h (relocate_section): Pass output_section to
8449         relocate.
8450         * i386.cc (Target_i386::should_apply_static_reloc): Add
8451         output_section parameter.  Change all callers.
8452         (Target_i386::Relocate::relocate): Add output_section parameter.
8453         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8454         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8455         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8456         * testsuite/two_file_shared.sh: New script.
8457         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8458         (check_DATA): Add two_file_shared.dbg.
8459         (two_file_shared.dbg): New target.
8460         * testsuite/Makefile.in: Rebuild.
8461
8462 2009-03-01  Ian Lance Taylor  <iant@google.com>
8463
8464         * configure.ac: Check for byteswap.h.
8465         * configure: Rebuild.
8466         * config.in: Rebuild.
8467
8468 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8469
8470         * layout.cc (Layout::find_or_add_kept_section): New function.
8471         (Layout::add_comdat): Removed.
8472         * layout.h (struct Kept_section): Move out of class Layout.
8473         Remove trailing underscores from field names.  Add group_sections
8474         field.  Rename group_ field to is_group.  Change all uses.
8475         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8476         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8477         comdat_groups_ field.
8478         (Sized_relobj::include_section_group): Use
8479         find_or_add_kept_section and Kept_section::group_sections.
8480         (Sized_relobj::include_linkonce_section): Likewise.
8481         * object.cc (class Sized_relobj): Don't define Comdat_group or
8482         Comdat_group_table.  Remove find_comdat_group and
8483         add_comdat_group.  Remove comdat_groups_ field.
8484         * plugin.cc (include_comdat_group): Use
8485         Layout::find_or_add_kept_section.
8486
8487 2009-02-28  Ian Lance Taylor  <iant@google.com>
8488
8489         * README: --gc-sections and map files are now supported.  Document
8490         some build requirements.
8491
8492         PR 6992
8493         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8494         relocatable link set the value of the section symbol to zero.
8495         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8496         relocatable link don't include the section address in the local
8497         symbol value.
8498
8499 2009-02-27  Ian Lance Taylor  <iant@google.com>
8500
8501         PR 6811
8502         * options.h (class Search_directory): Add is_system_directory.
8503         (class General_options): Declare is_in_system_directory.
8504         * options.cc (get_relative_sysroot): Make static.
8505         (get_default_sysroot): Make static.
8506         (General_optoins::is_in_system_directory): New function.
8507         * fileread.cc (Input_file::is_in_system_directory): New function.
8508         * fileread.h (class Input_file): Declare is_in_system_directory.
8509         * object.h (class Object): Add is_in_system_directory.
8510         (class Input_objects): Remove system_library_directory_ field.
8511         * object.cc (Input_objects::add_object): Don't set
8512         system_library_directory_.
8513         (input_objects::found_in_system_library_directory): Remove.
8514         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8515         parameter.  Change all callers.
8516         (Symbol_table::sized_write_globals): Likewise.
8517         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8518         Call Object::is_in_system_directory.
8519         * symtab.h (class Symbol_table): Update declarations.
8520
8521         PR 5990
8522         * descriptors.h (Open_descriptor): Add is_on_stack field.
8523         * descriptors.cc (Descriptors::open): If the descriptor is on the
8524         top of the stack, remove it.  Initialize is_on_stack field.
8525         (Descriptors::release): Only add pod to stack if it is not on the
8526         stack already.
8527         (Descriptors::close_some_descriptor): Clear stack_next and
8528         is_on_stack fields.
8529
8530         PR 7091
8531         * output.cc (Output_section::find_starting_output_address): Rename
8532         from starting_output_address; add PADDR parameter; change return
8533         type.
8534         * output.h (class Output_section): Declare
8535         find_starting_output_address instead of starting_output_address.
8536         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8537         section symbol for which we can't find a merge section.
8538
8539         PR 9836
8540         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8541         hidden or internal, force the symbol to be local.
8542         * resolve.cc (Symbol::override_visibility): Define.
8543         (Symbol::override_base): Use override_visibility.
8544         (Symbol_table::resolve): Likewise.
8545         (Symbol::override_base_with_special): Likewise.
8546         (Symbol_table::override_with_special): If the visibility is hidden
8547         or internal, force the symbol to be local.
8548         * symtab.h (class Symbol): Add set_visibility and
8549         override_visibility.
8550         * testsuite/ver_test_1.sh: New file.
8551         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8552         (check_DATA): Add ver_test_1.syms.
8553         (ver_test_1.syms): New target.
8554         * testsuite/Makefile.in: Rebuild.
8555
8556 2009-02-25  Cary Coutant  <ccoutant@google.com>
8557
8558         * layout.cc (Layout::choose_output_section): Don't rename sections
8559         when using a linker script that has a SECTIONS clause.
8560         * Makefile.in: Regenerate.
8561
8562         * testsuite/Makefile.am (script_test_5.sh): New test case.
8563         * testsuite/Makefile.in: Regenerate.
8564         * testsuite/script_test_5.cc: New file.
8565         * testsuite/script_test_5.sh: New file.
8566         * testsuite/script_test_5.t: New file.
8567
8568 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8569
8570         * archive.cc (Archive::include_member): Update calls to add_symbols.
8571         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8572         the Layout argument.
8573         * dynobj.h (do_add_symbols): Add the Layout argument.
8574         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8575         Layout argument.
8576         * object.h (Object::add_symbols): Add the Layout argument.
8577         (Object::do_add_symbols): Add the Layout argument.
8578         (Sized_relobj::do_add_symbols): Add the Layout argument.
8579         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8580         Unify the two versions.
8581         (Add_plugin_symbols): Remove.
8582         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8583         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8584         (Add_plugin_symbols): Remove.
8585         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8586         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8587         (Add_symbols::run): Make it work with Pulginobj.
8588
8589 2009-02-06  Ian Lance Taylor  <iant@google.com>
8590
8591         * object.cc (Sized_relobj::do_layout): Make info message start
8592         with lower case letter.
8593
8594 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8595
8596         * binary.cc: Fix file comment.
8597
8598         * options.h (enum Incremental_disposition): Define.
8599         (class General_options): Add new options: --incremental,
8600         --incremental_changed, --incremental_unchanged,
8601         --incremental_unknown.  Add incremental_disposition_ and
8602         implicit_incremental_ fields.
8603         (General_options::incremental_disposition): New function.
8604         (class Position_dependent_options): Add incremental_disposition
8605         option.
8606         (Position_dependent_options::copy_from_options): Set incremental
8607         dispositions.
8608         * options.cc (General_options::parse_incremental_changed): New
8609         function.
8610         (General_options::parse_incremental_unchanged): New function.
8611         (General_options::parse_incremental_unknown): New function.
8612         (General_options::General_options): Initialize new fields
8613         incremental_disposition_ and implicit_incremental_.
8614         (General_options::finalize): Check for uasge of --incremental-*
8615         without --incremental.
8616
8617 2009-02-06  Chris Demetriou  <cgd@google.com>
8618
8619         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8620         pointer and to report location as the file name associated with
8621         the symbol.
8622         (gold_undefined_symbol_at_location): New function to replace the
8623         old gold_undefined_symbol functionality.
8624         * target-reloc.h (relocate_section): Update to use
8625         gold_undefined_symbol_at_location.
8626         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8627         Call gold_undefined_symbol function rather than gold_error.
8628         * errors.h (Errors::undefined_symbol): Take location as a
8629         string, rather than calculating it from a relocation.
8630         * errors.cc (Errors::fatal): Print "fatal error:" before the
8631         formatted message.
8632         (Errors::error, Errors::error_at_location): Print "error: "
8633         before the formatted message.
8634         (Errors::undefined_symbol): Take location as a string, rather
8635         than calculating it from a relocation.
8636         (gold_undefined_symbol_at_location): New function akin to
8637         old gold_undefined_symbol, calculates location from relocation.
8638         (gold_undefined_symbol): Change to take only a Symbol pointer
8639         and to report location as the file name associated with the symbol.
8640         * testsuite/debug_msg.sh: Update for changed error messages.
8641         * testsuite/undef_symbol.sh: Likewise.
8642
8643 2009-02-04  Duncan Sands  <baldrick@free.fr>
8644
8645         PR 9812
8646         * reduced_debug_output.h
8647         (Output_reduced_debug_abbrev_section::failed): Use format for
8648         gold_warning.
8649         (Output_reduced_debug_info_section::faild): Likewise.
8650
8651 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8652
8653         * script.cc (Lazy_demangler): New class.
8654         (Version_script_info::get_symbol_version_helper): Demangle a
8655         symbol only once.
8656
8657 2009-01-29  Cary Coutant  <ccoutant@google.com>
8658
8659         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8660         to __tls_get_addr.
8661         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8662
8663 2009-01-28  Ian Lance Taylor  <iant@google.com>
8664
8665         * version.cc (version_string): Bump to 1.9.
8666
8667         * gold.h: Include <cstring> and <stdint.h>.
8668         * version.cc: Include <cstdio>.
8669         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8670         warning.
8671         * reduced_debug_output.cc (insert_into_vector): Rename from
8672         Insert_into_vector; change all callers.  Use Swap_unaligned to
8673         avoid aliasing issue; remove union since it is unnecessary.
8674
8675 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8676
8677         * Makefile.am (CCFILES): Add gc.cc.
8678         (HFILES): Add gc.h.
8679         * Makefile.in: Regenerate.
8680         * gold.cc (Gc_runner): New class.
8681         (queue_initial_tasks): Call garbage collection related tasks
8682         when corresponding options are invoked.
8683         (queue_middle_gc_tasks): New function.
8684         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8685         processed early before laying out sections during garbage collection.
8686         * gold.h (queue_middle_gc_tasks): New function.
8687         (is_prefix_of): Move from "layout.cc".
8688         * i386.cc (Target_i386::gc_process_relocs): New function.
8689         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8690         * main.cc (main): Create object of class "Garbage_collection".
8691         * object.cc (Relobj::copy_symbols_data): New function.
8692         (Relobj::is_section_name_included): New function.
8693         (Sized_relobj::do_layout): Allow this function to be called twice
8694         during garbage collection and defer layout of section during the
8695         first call.
8696         * object.h (Relobj::get_symbols_data): New function.
8697         (Relobj::is_section_name_included): New function.
8698         (Relobj::copy_symbols_data): New function.
8699         (Relobj::set_symbols_data): New function.
8700         (Relobj::get_relocs_data): New function.
8701         (Relobj::set_relocs_data): New function.
8702         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8703         (Relobj::gc_process_relocs): New function.
8704         (Relobj::do_gc_process_relocs): New pure virtual function.
8705         (Relobj::sd_): New data member.
8706         (Sized_relobj::is_output_section_offset_invalid): New function.
8707         (Sized_relobj::do_gc_process_relocs): New function.
8708         * options.h (General_options::gc_sections): Modify to not be a no-op.
8709         (General_options::print_gc_sections): New option.
8710         * plugin.cc (Plugin_finish::run): Remove function call to
8711         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8712         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8713         * reloc.cc (Read_relocs::run): Add task to process relocs and
8714         determine unreferenced sections when doing garbage collection.
8715         (Gc_process_relocs): New class.
8716         (Sized_relobj::do_gc_process_relocs): New function.
8717         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8718         sections that are garbage collected.
8719         * reloc.h (Gc_process_relocs): New class.
8720         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8721         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8722         symbols whose corresponding sections are garbage collected.
8723         (Symbol_table::Symbol_table): Add new parameter for the garbage
8724         collection object.
8725         (Symbol_table::gc_mark_undef_symbols): New function.
8726         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8727         (Symbol_table::gc_mark_dyn_syms): New function.
8728         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8729         as garbage.
8730         (Symbol_table::add_from_object): Likewise.
8731         (Symbol_table::add_from_relobj): When building shared objects, do not
8732         treat externally visible symbols as garbage.
8733         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8734         table information for static and relocatable links.
8735         * symtab.h (Symbol_table::set_gc): New function.
8736         (Symbol_table::gc): New function.
8737         (Symbol_table::gc_mark_undef_symbols): New function.
8738         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8739         (Symbol_table::gc_mark_dyn_syms): New function.
8740         (Symbol_table::gc_): New data member.
8741         * target.h (Sized_target::gc_process_relocs): New pure virtual
8742         function.
8743         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8744         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8745
8746 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8747
8748         * options.h (General_options::gc_sections): Define as a no-op for now.
8749         (General_options::no_keep_memory): Ditto.
8750         (General_options::Bshareable): Define.
8751         * options.cc (General_options::finalize): Honor -Bshareable.
8752
8753 2009-01-20  Andreas Schwab  <schwab@suse.de>
8754
8755         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8756         read the value in the contents, since we don't use it.  Use the
8757         template endianness when writing.
8758         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8759
8760 2009-01-19  Andreas Schwab  <schwab@suse.de>
8761
8762         * configure.tgt (powerpc64-*): Fix targ_obj.
8763
8764 2009-01-15  Ian Lance Taylor  <iant@google.com>
8765
8766         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8767         local symbols when stripping all symbols.
8768
8769 2009-01-14  Cary Coutant  <ccoutant@google.com>
8770
8771         * output.cc (Output_reloc): Add explicit instantiations.
8772
8773 2009-01-14  Cary Coutant  <ccoutant@google.com>
8774
8775         * archive.cc (Archive::get_elf_object_for_member): Remove call
8776         to File_read::claim_for_plugin.
8777         * descriptors.cc (Descriptors::open): Remove reference to
8778         is_claimed.
8779         (Descriptors::claim_for_plugin): Remove.
8780         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8781         (Descriptors::is_claimed): Remove.
8782         (claim_descriptor_for_plugin): Remove.
8783         * fileread.cc (File_read::claim_for_plugin): Remove.
8784         * fileread.h (File_read::claim_for_plugin): Remove.
8785         (File_read::descriptor): Reopen descriptor if necessary.
8786         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8787         (Plugin_manager::all_symbols_read): Add task parameter. Change
8788         all callers.
8789         (Plugin_manager::get_input_file): New function.
8790         (Plugin_manager::release_input_file): New function.
8791         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8792         corresponding data member.
8793         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8794         and pass to base constructor. Change all callers.
8795         (get_input_file, release_input_file): New functions.
8796         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8797         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8798         (Plugin_manager::all_symbols_read): Add task parameter.
8799         (Plugin_manager::get_input_file): New function.
8800         (Plugin_manager::release_input_file): New function.
8801         (Plugin_manager::task_): New data member.
8802         (Pluginobj::Pluginobj): Add filesize parameter.
8803         (Pluginobj::filename): New function.
8804         (Pluginobj::descriptor): New function.
8805         (Pluginobj::filesize): New function.
8806         (Pluginobj::filesize_): New data member.
8807         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8808         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8809         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8810
8811         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8812         with archive libraries.
8813         * testsuite/Makefile.in: Regenerate.
8814         * testsuite/plugin_test.c (struct sym_info): New type.
8815         (get_input_file, release_input_file): New static variables.
8816         (onload): Capture new transfer vector entries.
8817         (claim_file_hook): Stop reading at end of file according to filesize.
8818         Factor out parsing of readelf output into separate function.
8819         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8820         APIs and get the source file name from the symbol table.  Convert
8821         source file name to corresponding object file name.  Print info
8822         message when adding new input files.
8823         (parse_readelf_line): New function.
8824         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8825         * testsuite/plugin_test_2.sh: Likewise.
8826         * testsuite/plugin_test_3.sh: Likewise.
8827         * testsuite/plugin_test_4.sh: New test case.
8828
8829 2009-01-07  Ian Lance Taylor  <iant@google.com>
8830
8831         * version.cc (version_string): Bump to 1.8.
8832
8833 2008-12-23  Cary Coutant  <ccoutant@google.com>
8834
8835         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8836         * plugin.cc (Plugin_manager::finish): Rename as
8837         layout_deferred_objects.  Move cleanup to separate function.
8838         (Plugin_manager::cleanup): New function.
8839         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8840         separately.
8841         * plugin.h (Plugin_manager::finish): Rename as
8842         layout_deferred_objects.
8843         (Plugin_manager::cleanup): New function.
8844         (Plugin_manager::cleanup_done): New field.
8845
8846 2008-12-23  Cary Coutant  <ccoutant@google.com>
8847
8848         * plugin.cc (is_visible_from_outside): New function.
8849         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8850         so we don't return "IR only" status for exported symbols or -r links.
8851
8852         * testsuite/Makefile.am (plugin_test_3): New test case.
8853         * testsuite/Makefile.in: Regenerate.
8854         * testsuite/plugin_test_3.sh: New file.
8855
8856 2008-12-22  Cary Coutant  <ccoutant@google.com>
8857
8858         * object.cc (Sized_relobj::layout_section): New function.
8859         (Sized_relobj::do_layout): Defer layout of input sections until after
8860         plugin has provided replacement files.
8861         (Sized_relobj::do_layout_deferred_sections): New function.
8862         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8863         (Relobj::layout_deferred_sections): New function.
8864         (Relobj::do_layout_deferred_sections): New function.
8865         (Sized_relobj::do_layout_deferred_sections): New function.
8866         (Sized_relobj::layout_section): New function.
8867         (Sized_relobj::Deferred_layout): New structure.
8868         (Sized_relobj::deferred_layout_): New field.
8869         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8870         Change all callers.  Layout deferred sections.
8871         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8872         references.
8873         (Plugin_hook::run): Move code from do_plugin_hook inline.
8874         (Plugin_hook::do_plugin_hook): Remove.
8875         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8876         (Plugin_manager::finish): Renamed, was cleanup.
8877         (Plugin_manager::should_defer_layout): New function.
8878         (Plugin_manager::add_deferred_layout_object): New function.
8879         (Plugin_manager::Deferred_layout_list): New type.
8880         (Plugin_manager::deferred_layout_objects_): New field.
8881         (Plugin_hook::do_plugin_hook): Remove.
8882
8883 2008-12-17  Ian Lance Taylor  <iant@google.com>
8884
8885         * options.h (class General_options): Add --no case for
8886         --export-dynamic.
8887
8888 2008-12-16  Cary Coutant  <ccoutant@google.com>
8889
8890         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8891         vector.
8892         (Plugin_manager::claim_file): Create plugin object even if
8893         plugin did not call the add_symbols callback.
8894         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8895         asking for more symbols than were added.
8896         * testsuite/Makefile.am (plugin_test_1): Add test case with
8897         no global symbols.
8898         (empty.syms): New target.
8899         * testsuite/Makefile.in: Regenerate.
8900         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8901         message. Don't call add_symbols if no globals.
8902         (all_symbols_read_hook): Don't provide replacement for empty
8903         claimed file.
8904
8905 2008-12-12  Ian Lance Taylor  <iant@google.com>
8906
8907         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8908         r_type == 0 for a local symbol with r_sym == 0.
8909         (scan_relocatable_relocs): Pass r_sym to
8910         local_non_section_strategy.
8911         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8912         r_sym parameter.
8913
8914         * configure.ac: Update test for TLS descriptors: they are
8915         supported as of glibc 2.9.
8916         * configure: Rebuild.
8917
8918 2008-12-11  Ian Lance Taylor  <iant@google.com>
8919
8920         PR 7091
8921         * target-reloc.h (Default_scan_relocatable_relocs): For each
8922         function, map r_type == 0 to RELOC_DISCARD.
8923
8924 2008-12-10  Cary Coutant  <ccoutant@google.com>
8925
8926         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8927         object to override a kept COMDAT group from a plugin object.
8928
8929 2008-12-09  Ian Lance Taylor  <iant@google.com>
8930
8931         PR 7088
8932         * yyscript.y (file_cmd): Handle INPUT.
8933
8934         * testsuite/initpri1.c: Change all declarations to be full
8935         prototypes by adding void, to avoid compiler warnings.
8936
8937 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8938
8939         * options.cc (General_options::parse_plugin_opt): New.
8940         (General_options::add_plugin): The argument now is just the filename.
8941         (General_options::add_plugin_option): New.
8942         * options.h (plugin_opt): New.
8943         (add_plugin): Change argument name.
8944         (add_plugin_option): New.
8945         * plugin.cc (Plugin::load): Don't parse the plugin option.
8946         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8947         (Plugin::add_option): New.
8948         (Plugin::args_): Change type.
8949         (Plugin::filename_): New.
8950         (Plugin_manager::add_plugin_option): New.
8951         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8952         * testsuite/Makefile.in: Regenerate.
8953
8954 2008-12-05  Cary Coutant  <ccoutant@google.com>
8955
8956         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8957         Handle --strip-lto-sections option.
8958         * options.h (strip_lto_sections): New option.
8959
8960 2008-12-01  Cary Coutant  <ccoutant@google.com>
8961
8962         * plugin.cc (ld_plugin_message): Change format parameter to const.
8963         Fix mismatch between new[] and delete.
8964
8965 2008-11-14  Cary Coutant  <ccoutant@google.com>
8966
8967         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8968         instead of -1U.
8969
8970 2008-11-05  Craig Silverstein  <csilvers@google.com>
8971
8972         * options.cc (General_options::parse_dynamic_list): New function.
8973         * options.h (General_options): New flags dynamic_list,
8974         dynamic_list_data, dynamic_list_cpp_new, and
8975         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8976         (General_options::in_dynamic_list): New function.
8977         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8978         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8979         (Lex::can_continue_name): Likewise.
8980         (yylex): Likewise.
8981         (read_script_file): New parameter script_options.
8982         (read_dynamic_list): New function.
8983         (Script_options::define_dynamic_list): New function.
8984         (dynamic_list_keyword_parsecodes): New variable.
8985         (dynamic_list_keywords): New variable.
8986         * script.h (Script_options::define_dynamic_list): New function
8987         prototype.
8988         (read_dynamic_list): New function prototype.
8989         * symtab.cc (strprefix): New macro.
8990         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8991         dynamic_list_data, dynamic_list_cpp_new, and
8992         dynamic_list_cpp_typeinfo.
8993         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8994         (dynamic_list_expr): New rule.
8995         (dynamic_list_nodes): Likewise.
8996         (dynamic_list_node): Likewise.
8997         * testsuite/Makefile.am (dynamic_list): New test.
8998         * testsuite/Makefile.in: Regenerated.
8999         * testsuite/dynamic_list.t: New file.
9000         * testsuite/dynamic_list.sh: New file.
9001
9002 2008-11-05  Craig Silverstein  <csilvers@google.com>
9003
9004         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9005         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9006         (t11_last): Likewise.
9007         * testsuite/ver_test_6.c (main): Likewise.
9008
9009 2008-10-07  Cary Coutant  <ccoutant@google.com>
9010
9011         * options.c (General_options::finalize): Add check for -static and
9012         -shared.
9013         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9014         is not empty.
9015
9016 2008-10-02  Cary Coutant  <ccoutant@google.com>
9017
9018         * plugin.cc (make_sized_plugin_object): Fix conditional
9019         compilation to work when not all targets are enabled.
9020
9021 2008-09-29  Cary Coutant  <ccoutant@google.com>
9022
9023         * archive.cc (Archive::get_file_and_offset): Use filename instead
9024         of name to get library path.
9025         (Archive::include_member): Unlock external member of a thin archive.
9026
9027         * testsuite/Makefile.am (TEST_AR): New variable.
9028         (thin_archive_test_1): New test.
9029         (thin_archive_test_2): New test.
9030         * testsuite/Makefile.in: Regenerate.
9031         * testsuite/thin_archive_main.cc: New file.
9032         * testsuite/thin_archive_test_1.cc: New file.
9033         * testsuite/thin_archive_test_2.cc: New file.
9034         * testsuite/thin_archive_test_3.cc: New file.
9035         * testsuite/thin_archive_test_4.cc: New file.
9036
9037 2008-09-29  Cary Coutant  <ccoutant@google.com>
9038
9039         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9040         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9041         instead of -1U.
9042         (Sized_relobj::do_finalize_local_symbols): Likewise.
9043         (Sized_relobj::map_to_kept_section): Likewise.
9044         * object.h (Sized_relobj::invalid_address): New constant.
9045         (Sized_relobj::do_output_section_offset): Check for invalid_address
9046         and return -1ULL.
9047         * output.cc (Output_reloc::local_section_offset): Use constant
9048         invalid_address instead of -1U.
9049         (Output_reloc::get_address): Likewise.
9050         (Output_section::output_address): Change -1U to -1ULL.
9051         * output.h (Output_reloc::invalid_address): New constant.
9052         * reloc.cc (Sized_relobj::write_sections): Use constant
9053         invalid_address instead of -1U.
9054         (Sized_relobj::relocate_sections): Likewise.
9055         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9056         values for merge sections.
9057         * target-reloc.h (relocate_for_relocatable): Use constant
9058         invalid_address instead of -1U.
9059
9060 2008-09-19  Cary Coutant  <ccoutant@google.com>
9061
9062         Add plugin functionality for link-time optimization (LTO).
9063         * configure.ac (plugins): Add --enable-plugins option.
9064         * configure: Regenerate.
9065         * config.in: Regenerate.
9066         * Makefile.am (LIBDL): New variable.
9067         (CCFILES): Add plugin.cc.
9068         (HFILES): Add plugin.h.
9069         (ldadd_var): Add LIBDL.
9070         * Makefile.in: Regenerate.
9071
9072         * archive.cc: Include "plugin.h".
9073         (Archive::setup): Don't preread archive symbols when using a plugin.
9074         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9075         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9076         files.
9077         (Archive::include_member): Add symbols from plugin objects.
9078         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9079         * descriptors.cc (Descriptors::open): Check for file descriptors
9080         abandoned by plugins.
9081         (Descriptors::claim_for_plugin): New function.
9082         * descriptors.h (Descriptors::claim_for_plugin): New function.
9083         (Open_descriptor::is_claimed): New field.
9084         (claim_descriptor_for_plugin): New function.
9085         * fileread.cc (File_read::claim_for_plugin): New function.
9086         * fileread.h (File_read::claim_for_plugin): New function.
9087         (File_read::descriptor): New function.
9088         * gold.cc: Include "plugin.h".
9089         (queue_initial_tasks): Add task to call plugin hooks for generating
9090         new object files.
9091         * main.cc: Include "plugin.h".
9092         (main): Load plugin libraries.
9093         * object.h (Pluginobj): Declare.
9094         (Object::pluginobj): New function.
9095         (Object::do_pluginobj): New function.
9096         (Object::set_target): New function.
9097         * options.cc: Include "plugin.h".
9098         (General_options::parse_plugin): New function.
9099         (General_options::General_options): Initialize plugins_ field.
9100         (General_options::add_plugin): New function.
9101         * options.h (Plugin_manager): Declare.
9102         (General_options): Add --plugin option.
9103         (General_options::has_plugins): New function.
9104         (General_options::plugins): New function.
9105         (General_options::add_plugin): New function.
9106         (General_options::plugins_): New field.
9107         * plugin.cc: New file.
9108         * plugin.h: New file.
9109         * readsyms.cc: Include "plugin.h".
9110         (Read_symbols::do_read_symbols): Check for archive before checking
9111         for ELF file.  Call plugin hooks to claim files.
9112         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9113         from a real object file; force override when processing replacement
9114         files.
9115         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9116         (Symbol::init_base_object): Likewise.
9117         (Symbol::init_base_output_data): Likewise.
9118         (Symbol::init_base_output_segment): Likewise.
9119         (Symbol::init_base_constant): Likewise.
9120         (Symbol::init_base_undefined): Likewise.
9121         (Symbol::output_section): Assert that object is not a plugin.
9122         (Symbol_table::add_from_pluginobj): New function.
9123         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9124         undefined.
9125         (Symbol_table::sized_write_globals): Likewise.
9126         (Symbol_table::add_from_pluginobj): Instantiate template.
9127         * symtab.h (Sized_pluginobj): Declare.
9128         (Symbol::in_real_elf): New function.
9129         (Symbol::set_in_real_elf): New function.
9130         (Symbol::in_real_elf_): New field.
9131         (Symbol_table::add_from_pluginobj): New function.
9132
9133         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9134         (LIBDL): New variable.
9135         (LDADD): Add LIBDL.
9136         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9137         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9138         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9139         (MOSTLYCLEANFILES): Likewise.
9140         * testsuite/Makefile.in: Regenerate.
9141         * testsuite/plugin_test.c: New file.
9142         * testsuite/plugin_test_1.sh: New file.
9143         * testsuite/plugin_test_2.sh: New file.
9144
9145 2008-09-16  Ian Lance Taylor  <iant@google.com>
9146
9147         * target-reloc.h (relocate_section): Check whether a symbol is
9148         defined by the ABI before reporting an undefined symbol error.
9149         * target.h (Target::is_defined_by_abi): Make parameter const.
9150         (Target::do_is_defined_by_abi): Likewise.
9151         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9152         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9153         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9154         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9155         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9156         * testsuite/Makefile.in: Rebuild.
9157
9158         * fileread.cc (make_view): Add casts to avoid warning.
9159
9160 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9161
9162         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9163         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9164
9165 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9166
9167         * options.h (General_options::output_is_executable): New.
9168         (General_options::output_is_pie): New.
9169         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9170         for shared libraries.
9171         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9172
9173 2008-09-11  Chris Demetriou  <cgd@google.com>
9174
9175         * options.h (origin): New -z option.
9176         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9177         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9178         in DT_FLAGS_1.
9179
9180 2008-09-05  Cary Coutant  <ccoutant@google.com>
9181
9182         * fileread.cc (File_read::make_view): Add check for attempt to map
9183         beyond end of file.
9184
9185 2008-09-05  Cary Coutant  <ccoutant@google.com>
9186
9187         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9188         explicit instantiations.
9189
9190 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9191
9192         PR gold/6858
9193         * options.cc (General_options::finalize): Allow undefined symbols
9194         in shlibs if linking -shared.
9195
9196         PR gold/6859
9197         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9198         symbols as not needing a dynsym entry.
9199
9200 2008-08-20  Craig Silverstein  <csilvers@google.com>
9201
9202         * fileread.cc (File_read::open): Do not lock the file unless it
9203         was successfully opened.
9204
9205 2008-08-14  Cary Coutant  <ccoutant@google.com>
9206
9207         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9208         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9209         * testsuite/tls_test.cc (struct int128): 128-bit struct
9210         for testing TLS relocs with non-zero addend.
9211         (v12): New TLS variable.
9212         (t12): New test.
9213         (t_last): Add check for v12.
9214         * testsuite/tls_test.h (t12): New function.
9215         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9216
9217 2008-08-13  Ian Lance Taylor  <iant@google.com>
9218
9219         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9220         set tls_segment_ or relro_segment_.
9221         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9222         when appropriate.
9223         * output.h (Output_section::clear_is_relro): New function.
9224         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9225         sections specially even when output_data_ is empty.
9226         (Output_segment::maximum_alignment): When first section is relro,
9227         only force alignment for PT_LOAD segments.
9228         * script.cc (script_data_segment_align): New function.
9229         (script_data_segment_relro_end): New function.
9230         * script-c.h (script_data_segment_align): Declare.
9231         (script_data_segment_relro_end): Declare.
9232         * script-sections.h (class Script_sections): Declare
9233         data_segment_align and data_segment_relro_end.  Add fields
9234         segment_align_index_ and saw_relro_end_.
9235         * script-sections.cc (class Sections_element): Add set_is_relro
9236         virtual function.  Add new bool* parameter to place_orphan_here.
9237         Add get_output_section virtual function.
9238         (class Output_section_definition): Add set_is_relro.  Add new
9239         bool* parameter to place_orphan_here.  Add get_output_section.
9240         Add is_relro_ field.
9241         (Output_section_definition::Output_section_definition): Initialize
9242         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9243         and is_relro_ fields.
9244         (Output_section_definition::place_orphan_here): Add is_relro
9245         parameter.
9246         (Output_section_definition::set_section_addresses): Set relro for
9247         output section.
9248         (Output_section_definition::alternate_constraint): Likewise.
9249         (class Orphan_output_section): Add new bool* parameter to
9250         place_orphan_here.  Add get_output_section.
9251         (Orphan_output_section::place_orphan_here): Add is_relro
9252         parameter.
9253         (Script_sections::Script_sections): Initialize
9254         data_segment_align_index_ and saw_relro_end_.
9255         (Script_sections::data_segment_align): New function.
9256         (Script_sections::data_segment_relro_end): New function.
9257         (Script_sections::place_orphan): Set or clear is_relro.
9258         (Script_sections::set_section_addresses): Force alignment of first
9259         TLS section.
9260         * yyscript.y (exp): Call script_data_segment_align and
9261         script_data_segment_relro_end.
9262         * testsuite/relro_script_test.t: New file.
9263         * testsuite/relro_test.cc (using_script): Declare.
9264         (t1, t2): Test using_script.
9265         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9266         (relro_script_test_SOURCES): Define.
9267         (relro_script_test_DEPENDENCIES): Define.
9268         (relro_script_test_LDFLAGS): Define.
9269         (relro_script_test_LDADD): Define.
9270         (relro_script_test.so): New target.
9271         * testsuite/Makefile.in: Rebuild.
9272
9273 2008-08-06  Cary Coutant <ccoutant@google.com>
9274
9275         * archive.cc (Archive::total_archives, Archive::total_members)
9276         (Archive::total_members_loaded): New variables.
9277         (Archive::setup): Add parameter.  Add option to preread
9278         archive symbols.
9279         (Archive::read_armap): Add counter.
9280         (Archive::get_file_and_offset): New function.
9281         (Archive::get_elf_object_for_member): New function.
9282         (Archive::read_all_symbols): New function.
9283         (Archive::read_symbols): New function.
9284         (Archive::add_symbols): Add counters.
9285         (Archive::include_all_members): Use armap to find members if it's
9286         already built.
9287         (Archive::include_member): Skip reading symbols if already read.
9288         Factored code into Archive::get_file_and_offset and
9289         Archive::get_elf_object_for_member.  Changed call to
9290         Mapfile::report_include_archive_member.
9291         (Archive::print_stats): New function.
9292         * archive.h: Declare Object and Read_symbols_data classes.
9293         (Archive::Archive): Add initializers for new members.
9294         (Archive::setup): Add parameter.
9295         (Archive::print_stats): New function.
9296         (Archive::total_archives, Archive::total_members)
9297         (Archive::total_members_loaded): New variables.
9298         (Archive::get_file_and_offset): New function.
9299         (Archive::get_elf_object_for_member): New function.
9300         (Archive::read_all_symbols): New function.
9301         (Archive::read_symbols): New function.
9302         (Archive::Archive_member): New class.
9303         (Archive::members_): New member.
9304         (Archive::num_members_): New member.
9305         * main.cc: Include archive.h.
9306         (main): Call Archive::print_stats.
9307         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9308         archive parameter; member_name is now the fully-decorated name.
9309         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9310         * options.h: (General_options): Add --preread-archive-symbols option.
9311         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9312         Archive::setup.
9313
9314 2008-08-04  Ian Lance Taylor  <iant@google.com>
9315
9316         * symtab.h (Symbol::use_plt_offset): New function.
9317         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9318         * powerpc.cc (Relocate::relocate): Likewise.
9319         * sparc.cc (Relocate::relocate): Likewise.
9320         * x86_64.cc (Relocate::relocate): Likewise.
9321         * testsuite/weak_plt.sh: New test.
9322         * testsuite/weak_plt_main.cc: New test.
9323         * testsuite/weak_plt_shared.cc: New test.
9324         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9325         (check_PROGRAMS): Add weak_plt.
9326         (check_DATA): Add weak_plt_shared.so.
9327         (weak_plt_main_pic.o, weak_plt): New targets.
9328         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9329         * testsuite/Makefile.in: Rebuild.
9330
9331         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9332         gcctestdir/ld.
9333         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9334         * testsuite/Makefile.in: Rebuild.
9335
9336 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9337
9338         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9339         * Makefile.in: Regenerate.
9340         * po/POTFILES.in: Regenerate.
9341
9342 2008-07-29  Ian Lance Taylor  <iant@google.com>
9343
9344         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9345         symbols before other symbols.
9346         * testsuite/script_test_2.cc (test_addr): Declare.
9347         (test_addr_alias): Declare.
9348         (main): Check that test_addr and test_addr_alias have the right
9349         values.
9350         * testsuite/script_test_2.t: Define test_addr_alias and
9351         test_addr.
9352
9353 2008-07-24  Ian Lance Taylor  <iant@google.com>
9354
9355         PR 5990
9356         * descriptors.cc: New file.
9357         * descriptors.h: New file.
9358         * gold-threads.h (class Hold_optional_lock): New class.
9359         * fileread.cc: Include "descriptors.h".
9360         (File_read::~File_read): Release descriptor rather than closing
9361         it.
9362         (File_read::open) [file]: Call open_descriptor rather than open.
9363         Set is_descriptor_opened_.
9364         (File_read::open) [memory]: Assert that descriptor is not open.
9365         (File_read::reopen_descriptor): New function.
9366         (File_read::release): Release descriptor.
9367         (File_read::do_read): Make non-const.  Reopen descriptor.
9368         (File_read::read): Make non-const.
9369         (File_read::make_view): Reopen descriptor.
9370         (File_read::do_readv): Likewise.
9371         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9372         Update declarations.
9373         * layout.cc: Include "descriptors.h".
9374         (Layout::create_build_id): Use open_descriptor rather than open.
9375         * output.cc: Include "descriptors.h".
9376         (Output_file::open): Use open_descriptor rather than open.
9377         * archive.cc (Archive::const_iterator): Change Archive to be
9378         non-const.
9379         (Archive::begin, Archive::end): Make non-const.
9380         (Archive::count_members): Likewise.
9381         * archive.h (class Archive): Update declarations.
9382         * object.h (Object::read): Make non-const.
9383         * Makefile.am (CCFILES): Add descriptors.cc.
9384         (HFILES): Add descriptors.h.
9385         * Makefile.in: Rebuild.
9386
9387         PR 6716
9388         * gold.h: Always include <clocale>.  Add Solaris workarounds
9389         following code in binutils/sysdep.h.
9390
9391         PR 6048
9392         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9393         this->eh_frame_hdr_ is NULL before using it.
9394
9395         * dynobj.cc (Versions::Versions): Update comment.
9396
9397         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9398         the base version name.
9399
9400         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9401         array size plus one.
9402         (Stringpool_template::set_string_offsets): Subtract one from key
9403         before using it as an array index.
9404         (Stringpool_template::get_offset_with_length): Likewise.
9405         (Stringpool_template::write_to_buffer): Likewise.
9406         * stringpool.h (Stringpool_template::get_offset_from_key):
9407         Likewise.
9408
9409 2008-07-23  Ian Lance Taylor  <iant@google.com>
9410
9411         PR 6658
9412         * object.h (Merged_symbol_value::value): Do our best to handle a
9413         negative addend.
9414
9415         PR 6647
9416         * script.cc (Version_script_info::get_versions): Don't add empty
9417         version tag to return value.
9418         (Version_script_info::get_symbol_version_helper): Change return
9419         type to bool.  Add pversion parameter.  Change all callers.
9420         (script_register_vers_node): Don't require a non-NULL tag.
9421         * script.h (class Version_script_info): Update declarations.
9422         (Version_script_info::get_symbol_version): Change return type to
9423         bool.  Add version parameter.  Change all callers.
9424         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9425         handling.  Handle an empty version from a version script.
9426         (Symbol_table::define_special_symbol): Likewise.
9427         * testsuite/ver_test_10.script: New file.
9428         * testsuite/ver_test_10.sh: New file.
9429         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9430         (check_DATA): Add ver_test_10.syms.
9431         (ver_test_10.syms, ver_test_10.so): New target.
9432         * testsuite/Makefile.in: Rebuild.
9433
9434 2008-07-23  Simon Baldwin  <simonb@google.com>
9435
9436         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9437         to zero for undefined symbols from dynamic libraries.
9438
9439 2008-07-23  Ian Lance Taylor  <iant@google.com>
9440
9441         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9442         Change all callers.
9443         * symtab.h (class Symbol_table): Update declaration.
9444         * testsuite/ver_test_9.cc: New file.
9445         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9446         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9447         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9448         (ver_test_9.so, ver_test_9.o): New targets.
9449         * testsuite/Makefile.in: Rebuild.
9450
9451 2008-07-22  Ian Lance Taylor  <iant@google.com>
9452
9453         * options.h (class General_options): Define --check-sections.
9454         * layout.cc (Layout::set_segment_offsets): Handle
9455         --check-sections.
9456
9457         * options.h (class General_options): Define -n/--nmagic and
9458         -N/--omagic.
9459         * options.cc (General_options::finalize): For -n/--nmagic or
9460         -N/--omagic, set -static.
9461         * layout.cc (Layout::attach_allocated_section_to_segment): If
9462         -N/--omagic, don't put read-only and read-write sections in
9463         different segments.
9464         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9465         finding a read-only segment.
9466         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9467         don't set the minimum segment alignment to the common page size,
9468         and don't set the file offset to the address modulo the page size.
9469         * script-sections.cc (Script_sections::create_segments): If
9470         -n/--omagic, don't put read-only and read-write sections in
9471         different segments.
9472
9473         * cref.cc: New file.
9474         * cref.h: New file.
9475         * options.h (class General_options): Add --print-symbol-counts.
9476         * main.cc (main): Issue defined symbol report if requested.
9477         * archive.cc (Archive::interpret_header): Make into a const member
9478         function.
9479         (Archive::add_symbols): Call Input_objects::archive_start and
9480         archive_stop.
9481         (Archive::const_iterator): Define new class.
9482         (Archive::begin, Archive::end): New functions.
9483         (Archive::include_all_members): Rewrite to use iterator.
9484         (Archive::count_members): New function.
9485         * archive.h (class Archive): Update declarations.
9486         (Archive::filename): New function.
9487         * object.cc: Include "cref.h".
9488         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9489         (Sized_relobj::do_get_global_symbol_counts): New function.
9490         (Input_objects::add_object): Add object to cross-referencer.
9491         (Input_objects::archive_start): New function.
9492         (Input_objects::archive_stop): New function.
9493         (Input_objects::print_symbol_counts): New function.
9494         * object.h: Declare Cref and Archive.
9495         (Object::get_global_symbol_counts): New function.
9496         (Object::do_get_global_symbol_counts): New pure virtual function.
9497         (class Sized_relobj): Add defined_count_ field.  Update
9498         declarations.
9499         (class Input_objects): Add cref_ field.  Update constructor.
9500         Update declarations.
9501         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9502         defined_count_.
9503         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9504         symbol counts.
9505         (Sized_dynobj::do_get_global_symbol_counts): New function.
9506         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9507         defined_count_.  Update declarations.  Define Symbols typedef.
9508         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9509         parameter.  Change all callers.
9510         (Symbol_table::add_from_dynobj): Add sympointers and defined
9511         parameters.  Change all callers.
9512         * symtab.h (class Symbol_table): Update declarations.
9513         * Makefile.am (CCFILES): Add cref.cc.
9514         (HFILES): Add cref.h.
9515         * Makefile.in: Rebuild.
9516
9517 2008-07-22  Simon Baldwin  <simonb@google.com>
9518
9519         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9520         to zero when writing undefined symbols.
9521
9522 2008-07-22  Ian Lance Taylor  <iant@google.com>
9523
9524         * output.cc (Output_section::add_input_section): Don't try to
9525         merge empty merge sections.
9526
9527 2008-07-21  Craig Silverstein  <csilvers@google.com>
9528
9529         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9530         Include symbol version in error message.
9531
9532 2008-07-20  Chris Demetriou  <cgd@google.com>
9533
9534         * configure.ac (gold_cv_c_random_seed): New configured variable.
9535         (RANDOM_SEED_CFLAGS): New substituted variable.
9536         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9537         * configure: Rebuild.
9538         * Makefile.in: Likewise.
9539         * testsuite/Makefile.in: Likewise.
9540
9541 2008-07-18  Ian Lance Taylor  <iant@google.com>
9542
9543         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9544         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9545         * testsuite/ver_test_main.cc (main): Call t4.
9546         (t4, t4_2a): Define.
9547         * testsuite/ver_test_2.cc (t4_2): Define.
9548         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9549         * testsuite/ver_test_4.cc (t4_2a): Define.
9550         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9551         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9552
9553 2008-07-17  Ian Lance Taylor  <iant@google.com>
9554
9555         * dynobj.cc (Versions::add_def): If we give an error about a
9556         missing version, go ahead and create the version anyhow.
9557
9558 2008-07-10  Ian Lance Taylor  <iant@google.com>
9559
9560         Handle output sections with more than 0x7fffffff bytes.
9561         * object.h (class Relobj): Change map_to_output_ to
9562         output_sections_, and just keep a section pointer.  Change all
9563         uses.  Move comdat group support to Sized_relobj.
9564         (Relobj::is_section_specially_mapped): Remove.
9565         (Relobj::output_section): Remove poff parameter.  Change all
9566         callers.
9567         (Relobj::output_section_offset): New function.
9568         (Relobj::set_section_offset): Rewrite.
9569         (Relobj::map_to_output): Remove.
9570         (Relobj::output_sections): New function.
9571         (Relobj::do_output_section_offset): New pure virtual function.
9572         (Relobj::do_set_section_offset): Likewise.
9573         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9574         group support from Relobj.  Update declarations.
9575         (Sized_relobj::get_output_section_offset): New function.
9576         (Sized_relobj::do_output_section_offset): New function.
9577         (Sized_relobj::do_set_section_offset): New function.
9578         * object.cc (Relobj::output_section_address): Remove.
9579         (Sized_relobj::Sized_relobj): Initialize new fields.
9580         (Sized_relobj::include_section_group): Cast find_kept_object to
9581         Sized_relobj.
9582         (Sized_relobj::include_linkonce_section): Likewise.
9583         (Sized_relobj::do_layout): Use separate arrays for output section
9584         and output offset.
9585         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9586         output_sections.
9587         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9588         output_sections and section_offsets.
9589         (Sized_relobj::write_local_symbols): Likewise.
9590         (map_to_kept_section): Compute output address directly.
9591         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9592         output_sections and section_offsets.
9593         (Sized_relobj::write_sections): Likewise.
9594         (Sized_relobj::relocate_sections): Likewise.
9595         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9596         * output.h (class Output_reloc): Update declarations.  Change
9597         u2_.relobj to Sized_relobj*.
9598         (class Output_data_reloc): Change add functions to use
9599         Sized_relobj*.
9600         * output.cc (Output_reloc::Output_reloc): Change relobj to
9601         Sized_relobj*.
9602         (Output_reloc::local_section_offset): Change return type to
9603         Elf_Addr.  Use get_output_section_offset.
9604         (Output_reloc::get_address): Likewise.
9605         (Output_section::is_input_address_mapped): Don't call
9606         is_section_specially_mapped.
9607         (Output_section::output_offset): Likewise.
9608         (Output_section::output_address): Likewise.
9609         (Output_section::starting_output_address): Likewise.
9610         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9611         parameter to Sized_relobj*.
9612         (Copy_relocs::need_copy_reloc): Likewise.
9613         (Copy_relocs::save): Likewise.
9614         * copy-relocs.h (class Copy_relocs): Update declarations.
9615         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9616         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9617         * target-reloc.h (relocate_for_relocatable): Change
9618         offset_in_output_section type to Elf_Addr.  Change code that uses
9619         it as well.
9620         * layout.cc (Layout::layout): Always set *off.
9621         * mapfile.cc (Mapfile::print_input_section): Use
9622         output_section_offset.
9623         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9624         Sized_relobj*.
9625         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9626         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9627         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9628
9629 2008-07-03  Ian Lance Taylor  <iant@google.com>
9630
9631         * layout.cc (Layout::include_section): Do not discard unrecognized
9632         SHT_STRTAB sections.
9633
9634 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9635
9636         * script.cc (Lex::can_continue_name): Make '?' allowable in
9637         version-script names.
9638         * testsuite/version_script.map: Change glob pattern to use '?'
9639
9640 2008-06-30  Manish Singh  <yosh@gimp.org>
9641
9642         PR 6585
9643         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9644         Correct typo.
9645
9646 2008-06-30  Ian Lance Taylor  <iant@google.com>
9647
9648         PR 6660
9649         PR 6682
9650         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9651         versions]: Don't try to read the value in the contents, since we
9652         don't use it.  Use the template endianness when writing.
9653
9654 2008-06-25  Cary Coutant  <ccoutant@google.com>
9655
9656         * fileread.cc (File_read::make_view): Assert on zero-length view.
9657         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9658         symbol table when there are no symbols to read.
9659
9660 2008-06-23  Craig Silverstein  <csilvers@google.com>
9661
9662         * version.cc (version_string): Bump to 1.7
9663
9664 2008-06-18  Craig Silverstein  <csilvers@google.com>
9665
9666         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9667         constant 0xFFFF to type Valtype.
9668         (Powerpc_relocate_functions::rel16_ha): Likewise.
9669
9670 2008-06-17  Ian Lance Taylor  <iant@google.com>
9671
9672         * output.h (Output_section::Input_section): Initialize p2align_ to
9673         zero for Output_section_data constructors.
9674         (Output_section::Input_section::addralign): If not an input
9675         section, return the alignment of the Output_section_data.
9676         * testsuite/copy_test.cc: New file.
9677         * testsuite/copy_test_1.cc: New file.
9678         * testsuite/copy_test_2.cc: New file.
9679         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9680         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9681         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9682         (copy_test_1_pic.o, copy_test_1.so): New targets.
9683         (copy_test_2_pic.o, copy_test_2.so): New targets.
9684         * testsuite/Makefile.in: Rebuild.
9685
9686         * script-sections.cc (Script_sections::place_orphan): Initialize
9687         local variable exact.
9688
9689 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9690
9691         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9692
9693 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9694             David S. Miller  <davem@davemloft.net>
9695
9696         * powerpc.cc: New file.
9697         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9698         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9699         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9700         * Makefile.in: Rebuild.
9701
9702 2008-06-09  Ian Lance Taylor  <iant@google.com>
9703
9704         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9705         <exception>.
9706         (throwing, orig_terminate): New static variables.
9707         (terminate_handler): New static function.
9708         (t2): Set terminate handler.
9709
9710 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9711
9712         PR 6584
9713         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9714         alignment.
9715
9716 2008-05-30  Cary Coutant  <ccoutant@google.com>
9717
9718         * archive.cc (Archive::include_all_members) Correct to step
9719         over symbol table and extended name table in thin archives.
9720
9721 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9722
9723         PR 6407
9724         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9725         calculation.
9726
9727 2008-05-28  Caleb Howe  <cshowe@google.com>
9728
9729         * reduced_debug_output.cc: New file.
9730         * reduced_debug_output.h: New file.
9731         * options.h (class General_options): Add --strip-debug-non-line.
9732         * options.cc (General_options::finalize): Add strip_debug_non_line
9733         to the strip heirarchy.
9734         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9735         fields.
9736         * layout.cc: Include "reduced_debug_output.h".
9737         (Layout::Layout): Initialize new fields.
9738         (line_only_debug_sections): New static array.
9739         (is_lines_only_debug_sections): New static inline function.
9740         (Layout::include_section): Handle --strip-debug-non-line.
9741         (Layout::make_output_section): If --strip-debug-non-line, build
9742         new output sections for .debug_abbrev and .debug_info.
9743         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9744         gold.  Warn about possible overflow.
9745         (read_signed_LEB_128): Likewise.
9746         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9747         (read_signed_LEB_128): Declare.
9748         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9749         (HFILES): Add reduced_debug_output.h.
9750         * Makefile.in: Rebuild.
9751
9752 2008-05-21  Ian Lance Taylor  <iant@google.com>
9753
9754         * mapfile.cc: New file.
9755         * mapfile.h: New file.
9756         * options.h (class General_options): Add -M/--print-map and -Map.
9757         * options.cc (General_options::finalize): Make -M equivalent to
9758         -Map -.
9759         * main.cc: Include <cstdio> and "mapfile.h".
9760         (main): Open mapfile if requested.
9761         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9762         constructor.  Change caller.
9763         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9764         (queue_middle_tasks): Likewise.
9765         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9766         declarations.
9767         * archive.cc: Include "mapfile.h".
9768         (Archive::add_symbols): Add mapfile parameter.  Change all
9769         callers.  Pass mapfile, symbol, and reason to include_member.
9770         (Archive::include_all_members): Add mapfile parameter.  Change all
9771         callers.
9772         (Archive::include_member): Add mapfile, sym, and why parameters.
9773         Change all callers.  Report inclusion to map file.
9774         * archive.h: Include "fileread.h".
9775         (class Archive): Update declarations.
9776         (Archive::file): New const method.
9777         (class Add_archive_symbols): Add mapfile_ field.  Update
9778         constructor.  Change all callers.
9779         * readsyms.h (class Read_symbols): Likewise.
9780         (class Finish_group): Likewise.
9781         (class Read_script): Likewise.
9782         * common.cc: Include "mapfile.h".
9783         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9784         all callers.
9785         (Symbol_table::do_allocate_commons): Likewise.
9786         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9787         symbol allocation to mapfile.
9788         * common.h (class Allocate_commons_task): Add mapfile_ field.
9789         Update constructor.  Change all callers.
9790         * symtab.h (class Symbol_table): Update declarations.
9791         * layout.cc: Include "mapfile.h".
9792         (Layout_task_runner::run): Print information to mapfile.
9793         (Layout::create_gold_note): Change Output_data_fixed_space to
9794         Output_data_zero_fill.
9795         (Layout::create_build_id): Likewise.
9796         (Layout::print_to_mapfile): New function.
9797         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9798         constructor.  Change caller.
9799         (class Layout): Declare print_to_mapfile.
9800         * output.cc (Output_section::Input_section::print_to_mapfile): New
9801         function.
9802         (Output_section::add_input_section): If producing a map, always
9803         add to input_sections_ list.
9804         (Output_section::do_print_to_mapfile): New function.
9805         (Output_segment::print_sections_to_mapfile): New function.
9806         (Output_segment::print_section_list_to_mapfile): New function.
9807         * output.h: Include "mapfile.h".
9808         (Output_data::print_to_mapfile): New function.
9809         (Output_data::do_print_to_mapfile): New virtual function.
9810         (Output_segment_headers::do_print_to_mapfile): New function.
9811         (Output_file_header::do_print_to_mapfile): New function.
9812         (Output_data_const::do_print_to_mapfile): New function.
9813         (class Output_data_const_buffer): Add map_name_ field.  Update
9814         constructor.  Change all callers.  Add do_print_to_mapfile
9815         function.
9816         (class Output_data_fixed_space): Likewise.
9817         (class Output_data_space): Likewise.
9818         (class Output_data_zero_fill): New class.
9819         (Output_data_strtab::do_print_to_mapfile): New function.
9820         (Output_data_reloc_base::do_print_to_mapfile): New function.
9821         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9822         (Output_data_group::do_print_to_mapfile): New function.
9823         (Output_data_got::do_print_to_mapfile): New function.
9824         (Output_data_dynamic::do_print_to_mapfile): New function.
9825         (Output_symtab_xindex::do_print_to_mapfile): New function.
9826         (class Output_section): Declare do_print_to_mapflie.  Declare
9827         print_to_mapfile in Input_section.
9828         (class Output_segment): Declare new functions.
9829         * object.h (Sized_relobj::symbol_count): New function.
9830         * script-sections.cc
9831         (Output_section_element_dot_assignment::set_section_addresses):
9832         Change Output_data_fixed_space to Output_data_zero_fill.
9833         (Output_data_expression::do_print_to_mapfile): New function.
9834         * script.cc (read_input_script): Add mapfile parameter.  Change
9835         all callers.
9836         * script.h (read_input_script): Update declaration.
9837         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9838         (Eh_frame::do_print_to_mapfile): New function.
9839         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9840         (Output_merge_string::do_print_to_mapfile): New function.
9841         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9842         function.
9843         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9844         function.
9845         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9846         function.
9847         * Makefile.am (CCFILES): Add mapfile.cc.
9848         (HFILES): Add mapfile.h.
9849         * Makefile.in: Rebuild.
9850
9851 2008-05-19  Ian Lance Taylor  <iant@google.com>
9852
9853         * options.h (class General_options): Add -z relro.
9854         * layout.cc (Layout::Layout): Initialize relro_segment_.
9855         (Layout::add_output_section_data): Return the output section.
9856         (Layout::make_output_section): Rcognize relro sections and mark
9857         them appropriately.
9858         (Layout::attach_allocated_section_to_segment): Put relro sections
9859         in a PT_GNU_RELRO segment.
9860         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9861         section as relro.
9862         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9863         PT_TLS segments.
9864         (Layout::linkonce_mapping): Map d.rel.ro.local to
9865         .data.rel.ro.local.
9866         (Layout::output_section_name): Us .data.rel.ro.local for any
9867         section which begins with that.
9868         * layout.h (class Layout): Update add_output_section_data
9869         declaration.  Add relro_segment_ field.
9870         * output.cc (Output_section::Output_section): Initialize is_relro_
9871         and is_relro_local_ fields.
9872         (Output_segment::add_output_section): Group relro sections.
9873         (Output_segment::is_first_section_relro): New function.
9874         (Output_segment::maximum_alignment): If there is a relro section,
9875         align the segment to the common page size.
9876         (Output_segment::set_section_addresses): Track whether we are
9877         looking at relro sections.  If the last section is a relro
9878         section, align to the common page size.
9879         (Output_segment::set_section_list_addresses): Add in_relro
9880         parameter.  Change all callers.  Align to the page size when
9881         moving from relro to non-relro section.
9882         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9883         segment.
9884         * output.h (class Output_section): Add is_relro_ and
9885         is_relro_local_ fields.
9886         (Output_section::is_relro): New function.
9887         (Output_section::set_is_relro): New function.
9888         (Output_section::is_relro_local): New function.
9889         (Output_section::set_is_relro_local): New function.
9890         (class Output_segment): Update declarations.
9891         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9892         * sparc.cc (Target_sparc::got_section): Likewise.
9893         * x86_64.cc (Target_x86_64::got_section): Likewise.
9894         * testsuite/relro_test_main.cc: New file.
9895         * testsuite/relro_test.cc: New file.
9896         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9897         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9898         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9899         (relro_test.so, relro_test_pic.o): New targets.
9900         * testsuite/Makefile.in: Rebuild.
9901
9902 2008-05-16  Ian Lance Taylor  <iant@google.com>
9903
9904         * output.cc (Output_segment::add_output_section): Remove front
9905         parameter.
9906         * output.h (class Output_segment): Remove
9907         add_initial_output_section and overloaded add_output_section.
9908         Update declaration of remaining add_output_section.
9909         * layout.cc (Layout::create_interp): Call add_output_section
9910         rather than add_initial_output_section.
9911         (Layout::finish_dynamic_section): Likewise.
9912
9913         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9914         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9915         know the dynamic type.
9916         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9917         field.  Initialize it in constructor.
9918         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9919         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9920         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9921         reloc.
9922
9923         * output.cc (Output_reloc::get_address): Change return type to
9924         Elf_Addr.
9925         * output.h (class Output_reloc): Update get_address declaration.
9926         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9927         for section addresses.
9928
9929 2008-05-09  Ian Lance Taylor  <iant@google.com>
9930
9931         PR 6493
9932         * gold.cc (gold_nomem): Use return value of write.
9933
9934 2008-05-08  Ian Lance Taylor  <iant@google.com>
9935
9936         * symtab.c (Symbol::init_base_output_data): Add version
9937         parameter.  Change all callers.
9938         (Symbol::init_base_output_segment): Likewise.
9939         (Symbol::init_base_constant): Likewise.
9940         (Symbol::init_base_undefined): Likewise.
9941         (Sized_symbol::init_output_data): Likewise.
9942         (Sized_symbol::init_output_segment): Likewise.
9943         (Sized_symbol::init_constant): Likewise.
9944         (Sized_symbol::init_undefined): Likewise.
9945         (Symbol_table::do_define_in_output_data): If the new symbol has a
9946         version, mark it as the default.
9947         (Symbol_table::do_define_in_output_segment): Likewise.
9948         (Symbol_table::do_define_as_constant): Likewise.
9949         * symtab.h (class Symbol): Update declarations.
9950         (class Sized_symbol): Likewise.
9951         * resolve.cc (Symbol::override_version): New function.
9952         (Symbol::override_base): Call override_version.
9953         (Symbol::override_base_with_special): Likewise.
9954         * testsuite/ver_script_8.script: New file.
9955         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9956         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9957         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9958         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9959
9960 2008-05-06  Ian Lance Taylor  <iant@google.com>
9961
9962         PR 6049
9963         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9964         functions.
9965         (class General_options): Remove existing --undefined, and add
9966         --no-undefined instead.  Add new --undefined as synonym for -u.
9967         * archive.cc (Archive::add_symbols): Check whether symbol was
9968         named with -u.
9969         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9970         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9971         all uses.  Add IS_UNDEFINED.  Update declarations to split
9972         different versions of init_base.  Declare init_base_undefined.
9973         (Symbol::is_defined): Handle IS_UNDEFINED.
9974         (Symbol::is_undefined): Likewise.
9975         (Symbol::is_weak_undefined): Call is_undefined.
9976         (Symbol::is_absolute): Handle IS_CONSTANT.
9977         (class Sized_symbol): Update declarations to split different
9978         versions of init.  Declare init_undefined.
9979         (class Symbol_table): Declare new functions.
9980         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9981         Change all callers.
9982         (Symbol::init_base_output_data): Likewise.
9983         (Symbol::init_base_output_segment): Likewise.
9984         (Symbol::init_base_constant): Likewise.
9985         (Symbol::init_base_undefined): New function.
9986         (Sized_symbol::init_object): Rename from init.  Change all
9987         callers.
9988         (Sized_symbol::init_output_data): Likewise.
9989         (Sized_symbol::init_output_segment): Likewise.
9990         (Sized_symbol::init_constant): Likewise.
9991         (Sized_symbol::init_undefined): New function.
9992         (Symbol_table::add_undefined_symbols_from_command_line): New
9993         function.
9994         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9995         function.
9996         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9997         (Symbol::output_section): Likewise.
9998         (Symbol::set_output_section): Likewise.
9999         (Symbol_table::sized_finalize_symbol): Likewise.
10000         (Symbol_table::sized_write_globals): Likewise.
10001         * resolve.cc (Symbol_table::should_override): Likewise.
10002         (Symbol::override_base_with_special): Likewise.
10003
10004         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10005         symbol, change it to have default visibility.
10006         * testsuite/protected_1.cc: New file.
10007         * testsuite/protected_2.cc: New file.
10008         * testsuite/protected_3.cc: New file.
10009         * testsuite/protected_main_1.cc: New file.
10010         * testsuite/protected_main_2.cc: New file.
10011         * testsuite/protected_main_3.cc: New file.
10012         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10013         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10014         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10015         (protected_1.so): New target.
10016         (protected_1_pic.o, protected_2_pic.o): New targets.
10017         (protected_3_pic.o): New target.
10018         (check_PROGRAMS): Add protected_2.
10019         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10020         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10021         * testsuite/Makefile.in: Rebuild.
10022
10023         * options.h (DEFINE_var): Add set_user_set_##varname__.
10024         (DEFINE_bool_alias): New macro.
10025         (class General_options): Define -Bstatic using DEFINE_bool_alias
10026         rather than DEFINE_special.  Add --undefined as an alias for -z
10027         defs.
10028         * options.cc (General_options::parse_Bstatic): Remove.
10029
10030         * options.h (class General_options): Add --fatal-warnings.
10031         * main.cc (main): Implement --fatal-warnings.
10032         * errors.h (Errors::warning_count): New function.
10033
10034         * options.h (class General_options): Add -Bsymbolic-functions.
10035         * symtab.h (Symbol::is_preemptible): Check for
10036         -Bsymbolic-functions.
10037
10038 2008-05-05  Ian Lance Taylor  <iant@google.com>
10039
10040         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10041         as noVARNAME rather than no-VARNAME.
10042         (class General_options): Add option -z combreloc.
10043         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10044         get_address.
10045         (Output_reloc::sort_before) [SHT_REL]: New function.
10046         (Output_reloc::sort_before) [SHT_RELA]: New function.
10047         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10048         Sort_relocs_comparison.
10049         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10050         parameter.  Change all callers.
10051         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10052         sort_relocs parameter.  Change all callers.
10053         * output.cc (Output_reloc::get_address): New function, broken out
10054         of write_rel.
10055         (Output_reloc::write_rel): Call it.
10056         (Output_reloc::compare): New function.
10057         (Output_data_reloc_base::do_write): Optionally sort relocs.
10058
10059         * configure.ac: If targ_extra_obj is set, link it in.
10060         * configure.tgt: Initialize all variables.
10061         (x86_64*): Set targ_extra_obj and targ_extra_size.
10062         * configure: Rebuild.
10063
10064         * object.cc (Sized_relobj::include_section_group): Adjust section
10065         indexes read from group data.  Build vector to pass to
10066         layout_group.
10067         * layout.cc (Layout::layout_group): Add flags and shndxes
10068         parameters.  Remove contents parameter.  Change caller.  Update
10069         explicit instantiations.
10070         * layout.h (class Layout): Update layout_group declaration.
10071         * output.cc (Output_data_group::Output_data_group): Add flags and
10072         input_shndxes parameters.  Remove contents parameter.  Change
10073         caller.
10074         (Output_data_group::do_write): Change input_sections_ to
10075         input_shndxes_.
10076         * output.h (class Output_data_group): Update constructor
10077         declaration.  Rename input_sections_ to input_shndxes_.
10078         * testsuite/many_sections_test.cc: Add template.
10079
10080 2008-04-30  Cary Coutant  <ccoutant@google.com>
10081
10082         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10083
10084         * layout.cc (Layout::include_section): Refactored check for debug
10085         info section.
10086         (Layout::add_comdat): Add new parameters.  Change type
10087         of signature parameter.  Add object and shndx to signatures table.
10088         (Layout::find_kept_object): New function.
10089         * layout.h: Include <cstring>.
10090         (Layout::is_debug_info_section): New function.
10091         (Layout::add_comdat): Add new parameters.
10092         (Layout::find_kept_object): New function.
10093         (Layout::Kept_section): New struct.
10094         (Layout::Signatures): Change type of map range.
10095         * object.cc (Relobj::output_section_address): New function.
10096         (Sized_relobj::include_section_group): Add new parameters.  Change
10097         calls to Layout::add_comdat.  Change to build table of kept comdat
10098         groups and table mapping discarded sections to kept sections.
10099         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10100         (Sized_relobj::do_layout): Change calls to include_section_group and
10101         include_linkonce_section.
10102         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10103         value to zero when section is discarded.
10104         (Sized_relobj::map_to_kept_section): New function.
10105         * object.h (Relobj::output_section_address): New function.
10106         (Relobj::Comdat_group): New type.
10107         (Relobj::find_comdat_group): New function.
10108         (Relobj::Comdat_group_table): New type.
10109         (Relobj::Kept_comdat_section): New type.
10110         (Relobj::Kept_comdat_section_table): New type.
10111         (Relobj::add_comdat_group): New function.
10112         (Relobj::set_kept_comdat_section): New function.
10113         (Relobj::get_kept_comdat_section): New function.
10114         (Relobj::comdat_groups_): New field.
10115         (Relobj::kept_comdat_sections_): New field.
10116         (Symbol_value::input_value): Update comment.
10117         (Sized_relobj::map_to_kept_section) New function.
10118         (Sized_relobj::include_linkonce_section): Add new parameter.
10119         * target-reloc.h (Comdat_behavior): New type.
10120         (get_comdat_behavior): New function.
10121         (relocate_section): Add code to map a discarded section to the
10122         corresponding kept section when applying a relocation.
10123
10124 2008-04-30  Craig Silverstein  <csilvers@google.com>
10125
10126         * dwarf_reader.cc (next_generation_count): New static var.
10127         (Addr2line_cache_entry): New struct.
10128         (addr2line_cache): New static var.
10129         (Dwarf_line_info::one_addr2line): Added caching.
10130         (Dwarf_line_info::clear_addr2line_cache): New function.
10131         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10132         cache-size parameter.
10133         (Dwarf_line_info::one_addr2line_cache): New function.
10134         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10135         new cache-size argument to one_addr2line(), and clear cache.
10136
10137 2008-04-28  Cary Coutant  <ccoutant@google.com>
10138
10139         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10140         R_386_PC8 relocations.
10141
10142 2008-04-23  Ian Lance Taylor  <iant@google.com>
10143
10144         * object.cc (Sized_relobj::include_section_group): Check for
10145         invalid section group.
10146
10147         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10148         header size.
10149
10150         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10151         than read for file header.
10152         * archive.cc (Archive::include_member): Likewise.
10153
10154 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10155
10156         * aclocal.m4: Regenerate.
10157         * configure: Regenerate.
10158
10159 2008-04-19  Ian Lance Taylor  <iant@google.com>
10160
10161         * version.cc (version_string): Bump to 1.6.
10162
10163         * testsuite/Makefile.am (many_sections_r_test): New target.
10164         (many_sections_r_test_SOURCES): Remove.
10165         (many_sections_r_test_DEPENDENCIES): Remove.
10166         (many_sections_r_test_LDFLAGS): Remove.
10167         (many_sections_r_test_LDADD): Remove.
10168
10169         * object.cc (Sized_relobj::do_add_symbols): Always pass
10170         local_symbol_count_ to add_from_relobj.
10171
10172         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10173         every thousand variables.
10174         * testsuite/Makefile.in: Rebuild.
10175
10176         * object.cc (Xindex::initialize_symtab_xindex): New function.
10177         (Xindex::read_symtab_xindex): New function.
10178         (Xindex::sym_xindex_to_shndx): New function.
10179         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10180         available.
10181         (Sized_relobj::do_initialize_xindex): New function.
10182         (Sized_relobj::do_read_symbols): Adjust section links.
10183         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10184         parameter.  Change all callers.
10185         (Sized_relobj::include_section_group): Adjust section links and
10186         symbol section indexes.
10187         (Sized_relobj::do_layout): Adjust section links.
10188         (Sized_relobj::do_count_local_symbols): Adjust section links and
10189         symbol section indexes.
10190         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10191         ordinary and special symbols.
10192         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10193         dynsym_xindex parameters.  Change all callers.  Adjust section
10194         links.  Use SHN_XINDEX when needed.
10195         (Sized_relobj::get_symbol_location_info): Adjust section links.
10196         Don't get fooled by special symbols.
10197         * object.h (class Xindex): Define.
10198         (class Object): Add xindex_ parameter.  Declare virtual functoin
10199         do_initialize_xindex.
10200         (Object::adjust_sym_shndx): New function.
10201         (Object::set_xindex): New protected function.
10202         (class Symbol_value): Add is_ordinary_shndx_ field.
10203         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10204         (Symbol_value::value): Assert ordinary section.
10205         (Symbol_value::initialize_input_to_output_map): Likewise.
10206         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10207         Change all callers.
10208         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10209         all callers.
10210         (class Sized_relobj): Update declarations.
10211         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10212         parameter.  Change all callers.
10213         (Sized_relobj::adjust_shndx): New function.
10214         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10215         field.
10216         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10217         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10218         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10219         (Sized_dynobj::read_dynsym_section): Adjust section links.
10220         (Sized_dynobj::read_dynamic): Likewise.
10221         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10222         section links.
10223         (Sized_dynobj::do_initialize_xindex): New function.
10224         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10225         do_initialize_xindex.
10226         (Sized_dynobj::adjust_shndx): New function.
10227         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10228         dynsym_xindex_ fields.
10229         (Layout::finalize): Add a call to set_section_indexes before
10230         creating the symtab sections.
10231         (Layout::set_section_indexes): Don't do anything if the section
10232         already has a section index.
10233         (Layout::create_symtab_sections): Add shnum parameter.  Change
10234         caller.  Create .symtab_shndx section if needed.
10235         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10236         caller.
10237         (Layout::allocated_output_section_count): New function.
10238         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10239         needed.
10240         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10241         fields.  Update declarations.
10242         (Layout::symtab_xindex): New function.
10243         (Layout::dynsym_xindex): New function.
10244         (class Write_symbols_task): Add layout_ field.
10245         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10246         Change caller.
10247         * output.cc (Output_section_headers::Output_section_headers): Add
10248         shstrtab_section parameter.  Change all callers.
10249         (Output_section_headers::do_sized_write): Store overflow values
10250         for section count and section string table section index in
10251         section header zero.
10252         (Output_file_header::do_sized_write): Check for overflow of
10253         section count and section string table section index.
10254         (Output_symtab_xindex::do_write): New function.
10255         (Output_symtab_xindex::endian_do_write): New function.
10256         * output.h (class Output_section_headers): Add shstrtab_section_.
10257         Update declarations.
10258         (class Output_symtab_xindex): Define.
10259         (Output_section::has_out_shndx): New function.
10260         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10261         field.
10262         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10263         Change all callers.
10264         (Sized_symbol::init): Likewise.
10265         (Symbol::output_section): Check for ordinary symbol.
10266         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10267         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10268         callers.
10269         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10270         Change all callers.  Simplify handling of symbols from sections
10271         not included in the link.
10272         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10273         distinction.
10274         (Weak_alias_sorter::operator()): Assert that symbols are
10275         ordinary.
10276         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10277         distinction.
10278         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10279         parameters.  Change all callers.
10280         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10281         symbol distinction.  Use SHN_XINDEX when needed.
10282         (Symbol_table::write_section_symbol): Add symtab_xindex
10283         parameter.  Change all callers.
10284         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10285         SHN_XINDEX when needed.
10286         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10287         declarations.
10288         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10289         (Symbol::is_defined): Check is_ordinary.
10290         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10291         (Symbol::is_absolute, Symbol::is_common): Likewise.
10292         (class Sized_symbol): Update declarations.
10293         (class Symbol_table): Update declarations.
10294         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10295         parameters.  Change all callers.
10296         (Sized_symbol::override): Likewise.
10297         (Symbol_table::override): Likewise.
10298         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10299         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10300         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10301         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10302         to be in an ordinary section.
10303         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10304         object and is_ordinary parameters.  Change all callers.
10305         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10306         Change all callers.  Don't add undefined or non-ordinary symbols
10307         to reloc_map_.
10308         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10309         Change all callers.
10310         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10311         declarations.
10312         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10313         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10314         (Sized_relobj::relocate_sections): Likewise.
10315         * target-reloc.h (scan_relocs): Adjust section symbol index.
10316         (scan_relocatable_relocs): Likewise.
10317         * i386.cc (Scan::local): Check for ordinary symbols.
10318         * sparc.cc (Scan::local): Likewise.
10319         * x86_64.cc (Scan::local): Likewise.
10320         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10321         to symbol_section_and_value.
10322         * testsuite/many_sections_test.cc: New file.
10323         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10324         (check_PROGRAMS): Add many_sections_test.
10325         (many_sections_test_SOURCES): Define.
10326         (many_sections_test_DEPENDENCIES): Define.
10327         (many_sections_test_LDFLAGS): Define.
10328         (BUILT_SOURCES): Add many_sections_define.h.
10329         (many_sections_define.h): New target.
10330         (BUILT_SOURCES): Add many_sections_check.h.
10331         (many_sections_check.h): New target.
10332         (check_PROGRAMS): Add many_sections_r_test.
10333         (many_sections_r_test_SOURCES): Define.
10334         (many_sections_r_test_DEPENDENCIES): Define.
10335         (many_sections_r_test_LDFLAGS): Define.
10336         (many_sections_r_test_LDADD): Define.
10337         (many_sections_r_test.o): New target.
10338         * testsuite/Makefile.in: Rebuild.
10339
10340 2008-04-17  Cary Coutant  <ccoutant@google.com>
10341
10342         * errors.cc (Errors::info): New function.
10343         (gold_info): New function.
10344         * errors.h (Errors::info): New function.
10345         * gold.h (gold_info): New function.
10346         * object.cc (Input_objects::add_object): Print trace output.
10347         * options.cc (options::parse_set): New function.
10348         (General_options::parse_wrap): Deleted.
10349         (General_options::General_options): Deleted initializer.
10350         * options.h (options::String_set): New typedef.
10351         (options::parse_set): New function.
10352         (DEFINE_set): New macro.
10353         (General_options::wrap): Changed to use DEFINE_set. Changed
10354         callers of any_wrap_symbols and is_wrap_symbol.
10355         (General_options::trace, General_options::trace_symbol):
10356         New options.
10357         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10358         (General_options::wrap_symbols_): Deleted.
10359         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10360
10361 2008-04-17  David S. Miller  <davem@davemloft.net>
10362
10363         * options.cc (General_options::parse_V): New function.
10364         * options.h: Add entries for -V and -Qy.
10365
10366 2008-04-17  Ian Lance Taylor  <iant@google.com>
10367
10368         * common.cc (Symbol_table::allocate_commons): Remove options
10369         parameter.  Change caller.
10370         (Symbol_table::do_allocate_commons): Remove options parameter.
10371         Change caller.  Just call do_allocate_commons_list twice.
10372         (Symbol_table::do_allocate_commons_list): New function, broken out
10373         of do_allocate_commons.
10374         * common.h (class Allocate_commons_task): Remove options_ field.
10375         Update constructor.
10376         * symtab.cc (Symbol_table::Symbol_table): Initialize
10377         tls_commons_.
10378         (Symbol_table::add_from_object): Put TLS common symbols on
10379         tls_commons_ list.
10380         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10381         which are IN_OUTPUT_DATA.
10382         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10383         allocate_commons and do_allocate_commons declarations.  Declare
10384         do_allocate_commons_list.
10385         * gold.cc (queue_middle_tasks): Update creation of
10386         Allocate_commons_task to not pass options.
10387         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10388         (TLS_TEST_C_FLAGS): New variable.
10389         (tls_test_c_pic.o): New target.
10390         (tls_test_shared.so): Link in tls_test_c_pic.o.
10391         (tls_test_c_pic_ie.o): New target.
10392         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10393         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10394         (tls_test_c.o): New target.
10395         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10396         (tls_pic_test_LDADD): Likewise.
10397         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10398         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10399         (tls_test_c_gnu2.o): New target.
10400         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10401         tls_test_c_gnu2.o.
10402         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10403         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10404         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10405         * testsuite/tls_test.cc: Include "config.h".
10406         (t_last): Call t11_last.
10407         * testsuite/tls_test.h (t11, t11_last): Declare.
10408         * testsuite/tls_test_c.c: New file.
10409         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10410         * configure.ac: Check for OpenMP support.
10411         * configure, config.in, Makefile.in: Rebuild.
10412         * testsuite/Makefile.in: Rebuild.
10413
10414 2008-04-16  Cary Coutant  <ccoutant@google.com>
10415
10416         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10417         (Target_i386::tls_base_symbol_defined_): New field.
10418         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10419         (Target_i386::Scan::global): Likewise.
10420         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10421         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10422         (Target_x86_64::tls_base_symbol_defined_): New field.
10423         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10424         (Target_x86_64::Scan::global): Likewise.
10425
10426 2008-04-16  Cary Coutant  <ccoutant@google.com>
10427
10428         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10429         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10430         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10431         building shared libraries.
10432         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10433         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10434         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10435         * testsuite/Makefile.in: Rebuild.
10436         * testsuite/weak_undef.h: New file.
10437         * testsuite/weak_undef_file1.cc: Add extra test cases.
10438         * testsuite/weak_undef_file2.cc: Likewise.
10439         * testsuite/weak_undef_test.cc: Likewise.
10440
10441 2008-04-16  David S. Miller  <davem@davemloft.net>
10442
10443         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10444         Add issued_non_pic_error_ field.  Declare check_non_pic.
10445         (Target_sparc::Scan::check_non_pic): New function.
10446         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10447         (Target_sparc::Scan::global): Likewise.
10448
10449         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10450         * configure: Rebuild.
10451
10452         * options.h (DEFINE_enable): New macro.
10453         (new_dtags): New enable option.
10454         (initfirst, interpose, loadfltr, nodefaultlib,
10455         nodelete, nodlopen, nodump): New -z options.
10456         * layout.cc (Layout:finish_dynamic_section): If new
10457         dtags enabled, emit DT_RUNPATH.  Also, emit a
10458         DT_FLAGS_1 containing any specified -z flags.
10459
10460 2008-04-16  Ian Lance Taylor  <iant@google.com>
10461
10462         * copy-relocs.cc: New file.
10463         * copy-relocs.h: New file.
10464         * reloc.cc: Remove Copy_relocs code.
10465         * reloc.h: Likewise.
10466         * reloc-types.h (struct Reloc_types) [both versions]: Add
10467         get_reloc_addend_noerror.
10468         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10469         variants of add_global which take an addend which must be zero.
10470         * i386.cc: Include "copy-relocs.h".
10471         (class Target_i386): Change type of copy_relocs_ to variable,
10472         update initializer.
10473         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10474         Change all callers.
10475         (Target_i386::do_finalize_sections): Change handling of
10476         copy_relocs_.
10477         * sparc.cc: Include "copy-relocs.h".
10478         (class Target_sparc): Change type of copy_relocs_ to variable,
10479         update initializer.
10480         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10481         Change all callers.
10482         (Target_sparc::do_finalize_sections): Change handling of
10483         copy_relocs_.
10484         * x86_64.cc: Include "copy-relocs.h".
10485         (class Target_x86_64): Change type of copy_relocs_ to variable,
10486         update initializer.
10487         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10488         class.  Change all callers.
10489         (Target_x86_64::do_finalize_sections): Change handling of
10490         copy_relocs_.
10491         * Makefile.am (CCFILES): Add copy-relocs.cc.
10492         (HFILES): Add copy-relocs.h.
10493
10494         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10495
10496         * testsuite/script_test_4.sh: Permit leading zeroes.
10497
10498 2008-04-15  Ian Lance Taylor  <iant@google.com>
10499
10500         * script-sections.cc (Script_sections::create_segments): Use
10501         header_size_adjustment even when there is enough room for the
10502         headers.
10503         * testsuite/script_test_4.sh: New file.
10504         * testsuite/script_test_4.t: New file.
10505         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10506         (check_DATA): Add script_test_4.stdout.
10507         (MOSTLYCLEANFILES): Likewise.
10508         (script_test_4): New target.
10509         (script_test_4.stdout): New target.
10510         * testsuite/Makefile.in: Rebuild.
10511
10512         * sparc.cc: Add definitions for Output_data_plt_sparc class
10513         constants.
10514
10515 2008-04-14  David S. Miller  <davem@davemloft.net>
10516
10517         * sparc.cc: New file.
10518         * Makefile.am (TARGETSOURCES): Add sparc.cc
10519         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10520         * configure.tgt: Document targ_extra_size and
10521         targ_extra_big_endian.  Add entries for sparc-* and
10522         sparc64-*.
10523         * configure.ac: Handle targ_extra_size and
10524         targ_extra_big_endian.
10525         * Makefile.in: Rebuild.
10526         * configure: Likewise.
10527         * po/POTFILES.in: Likewise.
10528         * po/gold.pot: Likewise.
10529
10530 2008-04-14  Ian Lance Taylor  <iant@google.com>
10531
10532         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10533         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10534         in the name/type/flags to section mapping.  Don't call
10535         allocate_output_section.
10536         (Layout::choose_output_section): Change parameter from adjust_name
10537         to is_input_section.  Don't permit input sections after sections
10538         are attached to segments.  Don't call allocate_output_section.
10539         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10540         not write_enable_output_section.
10541         (Layout::make_output_section): Don't push to
10542         unattached_section_list_ nor call attach_to_segment.  Call
10543         attach_section_to_segment if sections are attached.
10544         (Layout::attach_sections_to_segments): New function.
10545         (Layout::attach_section_to_segment): New function.
10546         (Layout::attach_allocated_section_to_segment): Rename from
10547         attach_to_segment.  Remove flags parameter.
10548         (Layout::allocate_output_section): Remove function.
10549         (Layout::write_enable_output_section): Remove function.
10550         * layout.h (class Layout): Update for above changes.  Add new
10551         field sections_are_attached_.
10552         * output.h (Output_section::update_flags_for_input_section): New
10553         function.
10554         * output.cc (Output_section::add_input_section): Call
10555         update_flags_for_input_section.
10556         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10557
10558 2008-04-11  Cary Coutant  <ccoutant@google.com>
10559
10560         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10561         thought unnecessary.
10562         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10563
10564 2008-04-11  Ian Lance Taylor  <iant@google.com>
10565
10566         * output.h (class Output_section_data): Remove inline definition
10567         of set_addralign.
10568         * output.cc (Output_section_data::set_addralign): New function.
10569
10570 2008-04-11  Cary Coutant  <ccoutant@google.com>
10571
10572         Add support for TLS descriptors for i386 and x86_64.
10573         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10574         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10575         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10576         GOT_TYPE_TLS_DESC.
10577         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10578         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10579         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10580         relocations.
10581         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10582         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10583         Fix problem with initial-exec relocations.
10584         (Target_i386::Relocate::relocate_tls): Likewise.
10585         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10586         relaxation.
10587         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10588         support for section-plus-offset dynamic table entries.
10589         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10590         (Output_data_dynamic::Dynamic_entry): Add support for
10591         section-plus-offset dynamic table entries.
10592         (Output_data_dynamic::Classification): Likewise.
10593         (Output_data_dynamic::classification_): Renamed offset_.
10594         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10595         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10596         (Target_x86_64::make_plt_section): New function.
10597         (Target_x86_64::reserve_tlsdesc_entries): New function.
10598         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10599         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10600         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10601         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10602         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10603         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10604         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10605         add extra PLT entry for TLS descriptors.
10606         (Output_data_plt_x86_64::got_): New field.
10607         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10608         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10609         fields.
10610         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10611         descriptors.
10612         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10613         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10614         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10615         R_386_TLS_DESC_CALL relocations.
10616         (Target_x86_64::Scan::global): Likewise.
10617         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10618         for TLS descriptors.
10619         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10620         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10621         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10622         GD-to-IE relaxation.
10623         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10624         and TLS_DESCRIPTORS.
10625         * Makefile.in: Rebuild.
10626         * configure: Rebuild.
10627         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10628         (tls_test_shared2.so): New target.
10629         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10630         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10631         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10632         (tls_shared_gd_to_ie_test_LDADD): New variable.
10633         (tls_shared_gnu2_gd_to_ie_test): New target.
10634         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10635         New targets.
10636         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10637         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10638         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10639         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10640         (tls_shared_gnu2_test): New target.
10641         (tls_test_gnu2_shared.so): New target.
10642         (tls_shared_gnu2_test_SOURCES): New variable.
10643         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10644         (tls_shared_gnu2_test_LDFLAGS): New variable.
10645         (tls_shared_gnu2_test_LDADD): New variable.
10646         * testsuite/Makefile.in: Rebuild.
10647         * testsuite/Makefile.
10648
10649 2008-04-11  Ian Lance Taylor  <iant@google.com>
10650
10651         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10652         justsyms.t.
10653         * testsuite/Makefile.in: Rebuild.
10654
10655         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10656         long.
10657         * testsuite/script_test_2.cc (main): Adjust test.
10658
10659 2008-04-11  David S. Miller  <davem@davemloft.net>
10660             Ian Lance Taylor  <iant@google.com>
10661
10662         * options.h (General_options): Add entries for '-Y' and
10663         '-relax'.
10664         * options.cc (General_options:finalize): If -Y was used, add those
10665         entries to the library path instead of the default "/lib" and
10666         "/usr/lib".
10667
10668 2008-04-11  David S. Miller  <davem@davemloft.net>
10669
10670         * testsuite/justsyms.t: Start at 0x100.
10671         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10672         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10673         long.
10674         * testsuite/script_test_2.cc: Adjust string and section length
10675         checks.
10676
10677 2008-04-09  Ian Lance Taylor  <iant@google.com>
10678
10679         PR gold/5996
10680         * script-sections.cc (Sections_element::allocate_to_segment): Add
10681         orphan parameter.
10682         (Output_section_definition::allocate_to_segment): Likewise.
10683         (Orphan_output_section::allocate_to_segment): Likewise.
10684         (Script_sections::attach_sections_using_phdrs_clause): Don't
10685         propagate non-PT_LOAD segments to orphan sections.
10686         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10687         readelf rather than objdump.
10688         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10689         .interp section and PT_INTERP segment are the same size.
10690         * testsuite/Makefile.in: Rebuild.
10691
10692         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10693         aliases for symbols defined in the same object.
10694         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10695         (weak_alias_test_SOURCES): New variable.
10696         (weak_alias_test_DEPENDENCIES): New variable.
10697         (weak_alias_test_LDFLAGS): New variable.
10698         (weak_alias_test_LDADD): New variable.
10699         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10700         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10701         (weak_alias_test_3.o): New target.
10702         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10703         * testsuite/weak_alias_test_main.cc: New file.
10704         * testsuite/weak_alias_test_1.cc: New file.
10705         * testsuite/weak_alias_test_2.cc: New file.
10706         * testsuite/weak_alias_test_3.cc: New file.
10707
10708 2008-04-08  Ian Lance Taylor  <iant@google.com>
10709
10710         * options.h (class General_options): Add --noinhibit-exec option.
10711         * main.cc (main): Check --noinhibit-exec.
10712
10713         * options.h (class General_options): Define --wrap as a special
10714         option.  Add wrap_symbols_ field.
10715         (General_options::any_wrap_symbols): New function.
10716         (General_options::is_wrap_symbol): New function.
10717         * options.cc (General_options::parse_wrap): New function.
10718         (General_options::General_options): Initialize wrap_symbols_.
10719         * symtab.cc (Symbol_table::wrap_symbol): New function.
10720         (Symbol_table::add_from_object): Handle --wrap.
10721         * symtab.h (class Symbol_table): Declare wrap_symbol.
10722         * target.h (Target::wrap_char): New function.
10723         (Target::Target_info): Add wrap_char field.
10724         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10725         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10726         * testsuite/testfile.cc (Target_test::test_target_info):
10727         Likewise.
10728
10729         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10730         there is one.
10731
10732         * layout.h (class Layout): Add added_eh_frame_data_ field.
10733         * layout.cc (Layout::Layout): Initialize new field.
10734         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10735         output section until we find a section we merged successfully.
10736         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10737         that the size be non-zero.
10738
10739         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10740         qualifier.
10741
10742 2008-04-08  Craig Silverstein  <csilvers@google.com>
10743
10744         * configure.ac: Export new conditional variable HAVE_ZLIB.
10745         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10746         on HAVE_ZLIB.
10747         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10748         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10749
10750 2008-04-07  Ian Lance Taylor  <iant@google.com>
10751
10752         * version.cc (version_string): Set to "1.5".
10753
10754         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10755         Add issued_non_pic_error_ field.  Declare check_non_pic.
10756         (Target_x86_64::Scan::check_non_pic): New function.
10757         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10758         (Target_x86_64::Scan::global): Likewise.
10759
10760         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10761         addend parameter.  Change caller.  Handle merge sections.
10762         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10763         Address to Addend.  Don't add in the result of
10764         local_section_offset, pass down the addend and use the returned
10765         value.
10766         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10767         Update declarations of local_section_offset and symbol_value.
10768         * testsuite/two_file_test_1.cc (t18): New function.
10769         * testsuite/two_file_test_2.cc (f18): New function.
10770         * testsuite/two_file_test_main.cc (main): Call t18.
10771         * testsuite/two_file_test.h (t18, f18): Declare.
10772
10773         * configure.ac: Don't test for objdump, c++filt, or readelf.
10774         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10775         conditionals.
10776         (TEST_READELF): New variable.
10777         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10778         (check_PROGRAMS): Add two_file_strip_test.
10779         (two_file_strip_test): New target.
10780         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10781         (two_file_same_shared_strip_test_SOURCES): New variable.
10782         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10783         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10784         (two_file_same_shared_strip_test_LDADD): New variable.
10785         (two_file_shared_strip.so): New target.
10786         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10787         (ver_test_5.syms, ver_test_7.syms): Likewise.
10788         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10789         (strip_test_3.stdout): Use TEST_OBJDUMP.
10790         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10791
10792 2008-04-04  Cary Coutant  <ccoutant@google.com>
10793
10794         * symtab.h (Symbol::is_weak_undefined): New function.
10795         (Symbol::is_strong_undefined): New function.
10796         (Symbol::is_absolute): New function.
10797         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10798         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10799         absolute symbols.
10800         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10801         (weak_undef_test): New target.
10802         * testsuite/Makefile.in: Rebuild.
10803         * testsuite/weak_undef_file1.cc: New file.
10804         * testsuite/weak_undef_file2.cc: New file.
10805         * testsuite/weak_undef_test.cc: New file.
10806
10807 2008-04-03  Craig Silverstein  <csilvers@google.com>
10808
10809         * compressed_output.h (class Output_compressed_section): Use
10810         unsigned buffer.
10811         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10812         add zlib header.
10813         (zlib_compressed_suffix): Removed.
10814         (Output_compressed_section::set_final_data_size): Use unsigned
10815         buffers.
10816         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10817         Fix linker invocation.
10818         (flagstest_o_specialfile_and_compress_debug_sections):
10819         Likewise.
10820         * testsuite/Makefile.in: Regenerated.
10821
10822 2008-04-02  David S. Miller  <davem@davemloft.net>
10823
10824         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10825         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10826
10827 2008-04-02  Craig Silverstein  <csilvers@google.com>
10828
10829         * TODO: New file.
10830
10831 2008-04-02  Ian Lance Taylor  <iant@google.com>
10832
10833         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10834         parameters.  Update for new key type to views_.  Change all
10835         callers.
10836         (File_read::read): Adjust for byteshift in returned view.
10837         (File_read::add_view): New function, broken out of
10838         find_and_make_view.
10839         (File_read::make_view): New function, broken out of
10840         find_and_make_view.
10841         (File_read::find_or_make_view): Add offset and aligned
10842         parameters.  Rewrite accordingly.  Change all callers.
10843         (File_read::get_view): Add offset and aligned parameters.  Adjust
10844         for byteshift in return value.
10845         (File_read::get_lasting_view): Likewise.
10846         * fileread.h (class File_read): Update declarations.
10847         (class File_read::View): Add byteshift_ field.  Add byteshift to
10848         constructor.  Add byteshift method.
10849         * archive.h (Archive::clear_uncached_views): New function.
10850         (Archive::get_view): Add aligned parameter.  Change all callers.
10851         * object.h (Object::get_view): Add aligned parameter.  Change all
10852         callers.
10853         (Object::get_lasting_view): Likewise.
10854
10855         * fileread.cc (File_read::release): Don't call clear_views if
10856         there are multiple objects.
10857         * fileread.h (File_read::clear_uncached_views): New function.
10858         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10859         on the archive.
10860
10861 2008-03-31  Cary Coutant  <ccoutant@google.com>
10862
10863         Add thin archive support.
10864         * archive.cc (Archive::armagt): New const.
10865         (Archive::setup): Remove task parameter and calls to unlock.
10866         (Archive::unlock_nested_archives): New function.
10867         (Archive::read_header): Add nested_off parameter. Change
10868         all callers.
10869         (Archive::interpret_header): Likewise.
10870         (Archive::include_all_members): Change to handle thin
10871         archives.
10872         (Archive::include_member): Likewise.
10873         * archive.h (Archive::Archive): Add new parameters and
10874         initializers.
10875         (Archive::armagt): New const.
10876         (Archive::setup): Remove task parameter.
10877         (Archive::unlock_nested_archives): New function.
10878         (Archive::read_header): Add nested_off parameter.
10879         (Archive::interpret_header): Likewise.
10880         (Archive::Nested_archive_table): New typedef.
10881         (Archive::is_thin_archive_): New field.
10882         (Archive::nested_archives_): New field.
10883         (Archive::options_): New field.
10884         (Archive::dirpath_): New field.
10885         (Archive::task_): New field.
10886         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10887         for thin archives.  Pass additional parameters to
10888         Archive::Archive.  Unlock the archive file after calling
10889         Archive::setup.
10890
10891 2008-03-29  Ian Lance Taylor  <iant@google.com>
10892
10893         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10894         version symbol to be local.
10895         * testsuite/ver_test_4.sh: New file.
10896         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10897         (check_DATA): Add ver_test_4.syms.
10898         (ver_test_4.syms): New target.
10899         * testsuite/Makefile.in: Rebuild.
10900
10901         * output.cc
10902         (Output_section::Input_section_sort_entry::has_priority): New
10903         function.
10904         (Output_section::Input_section_sort_entry::match_file_name): New
10905         function.
10906         (Output_section::Input_section_sort_entry::match_section_name):
10907         Remove.
10908         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10909         Remove.
10910         (Output_section::Input_section_sort_entry::match_section_file):
10911         Remove.
10912         (Output_section::Input_section_sort_compare::operator()): Rewrite
10913         using new Input_section_sort_entry functions.  Sort crtbegin and
10914         crtend first.  Sort sections with no priority before sections with
10915         a priority.
10916         * testsuite/initpri1.c (d3): Check j != 4.
10917         (cd5): New constructor/destructor function.
10918         (main): Check j != 2.
10919
10920         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10921         new symbol when resolving, don't call set_is_default.
10922         * testsuite/ver_test_7.cc: New file.
10923         * testsuite/ver_test_7.sh: New file.
10924         * testsuite/Makefile.am (ver_test_7.so): New target.
10925         (ver_test_7.o): New target.
10926         (check_SCRIPTS): Add ver_test_7.sh.
10927         (check_DATA): Add ver_test_7.syms.
10928         (ver_test_7.syms): New target.
10929
10930 2008-03-28  Ian Lance Taylor  <iant@google.com>
10931
10932         * layout.cc (Layout::layout): If we see an input section with a
10933         name that needs sorting, set the must_sort flag for the output
10934         section.
10935         (Layout::make_output_section): If the name of the output section
10936         indicates that it might require sorting, set the may_sort flag.
10937         * output.h (Output_section::may_sort_attached_input_sections): New
10938         function.
10939         (Output_section::set_may_sort_attached_input_sections): New
10940         function.
10941         (Output_section::must_sort_attached_input_sections): New
10942         function.
10943         (Output_section::set_must_sort_attached_input_sections): New
10944         function.
10945         (class Output_section): Declare Input_section_sort_entry.  Define
10946         Input_section_sort_compare.  Declare
10947         sort_attached_input_sections.  Add new fields:
10948         may_sort_attached_input_sections_,
10949         must_sort_attached_input_sections_,
10950         attached_input_sections_are_sorted_.
10951         * output.cc (Output_section::Output_section): Initialize new
10952         fields.
10953         (Output_section::add_input_section): Add an entry to
10954         input_sections_ if may_sort or must_sort are true.
10955         (Output_section::set_final_data_size): Call
10956         sort_attached_input_sections if necessary.
10957         (Output_section::Input_section_sort_entry): Define new class.
10958         (Output_section::Input_section_sort_compare::operator()): New
10959         function.
10960         (Output_section::sort_attached_input_sections): New function.
10961         * configure.ac: Check whether the compiler supports constructor
10962         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10963         * testsuite/initpri1.c: New file.
10964         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10965         CONSTRUCTOR_PRIORITY.
10966         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10967         (initpri1_LDFLAGS): New variable.
10968         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10969
10970 2008-03-27  Ian Lance Taylor  <iant@google.com>
10971
10972         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10973         * testsuite/common_test_1.c: New file.
10974         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10975         (common_test_1_SOURCES): New variable.
10976         (common_test_1_DEPENDENCIES): New variable.
10977         (common_test_1_LDFLAGS): New variable.
10978
10979         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10980         and commons_ correctly when NAME/VERSION does not override
10981         NAME/NULL.
10982         * testsuite/ver_test_6.c: New file.
10983         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10984         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10985         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10986
10987 2008-03-26  Ian Lance Taylor  <iant@google.com>
10988
10989         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10990         of an undefined symbol from a version script.
10991         * testsuite/Makefile.am (ver_test_5.so): New target.
10992         (ver_test_5.o): New target.
10993         (check_SCRIPTS): Add ver_test_5.sh.
10994         (check_DATA): Add ver_test_5.syms.
10995         (ver_test_5.syms): New target.
10996         * testsuite/ver_test_5.cc: New file.
10997         * testsuite/ver_test_5.script: New file.
10998         * testsuite/ver_test_5.sh: New file.
10999         * Makefile.in, testsuite/Makefile.in: Rebuild.
11000
11001         PR gold/5986
11002         Fix problems building gold with gcc 4.3.0.
11003         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11004         (gold_error_at_location, gold_warning_at_location): Use it.
11005         * configure.ac: Check whether we can compile and use a template
11006         function with a printf attribute.
11007         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11008         when jumping over bytes.
11009         * object.cc: Instantiate Object::read_section_data.
11010         * debug.h: Include <cstring>
11011         * dwarf_reader.cc: Include <algorithm>
11012         * main.cc: Include <cstring>.
11013         * options.cc: Include <cstring>.
11014         * output.cc: Include <cstring>.
11015         * script.cc: Include <cstring>.
11016         * script.h: Include <string>.
11017         * symtab.cc: Include <cstring> and <algorithm>.
11018         * target-select.cc: Include <cstring>.
11019         * version.cc: Include <string>.
11020         * testsuite/testmain.cc: Include <cstdlib>.
11021         * configure, config.in: Rebuild.
11022
11023 2008-03-25  Ian Lance Taylor  <iant@google.com>
11024
11025         * options.cc: Include "../bfd/bfdver.h".
11026         (options::help): Print bug reporting address.
11027
11028         * version.cc (print_version): Adjust output for current value of
11029         BFD_VERSION_STRING.
11030
11031         * NEWS: New file.
11032
11033         * options.cc (options::help): Print list of supported targets.
11034         * target-select.h: Include <vector>.
11035         (class Target_selector): Make machine_, size_, and is_big_endian_
11036         fields const.  Add bfd_name_ and instantiated_target_ fields.
11037         (Target_selector::Target_selector): Add bfd_name parameter.
11038         (Target_selector::recognize): Make non-virtual, call
11039         do_recognize.
11040         (Target_selector::recognize_by_name): Make non-virtual, call
11041         do_recognize_by_name.
11042         (Target_selector::supported_names): New function.
11043         (Target_selector::bfd_name): New function.
11044         (Target_selector::do_instantiate_target): New pure virtual
11045         function.
11046         (Target_selector::do_recognize): New virtual function.
11047         (Target_selector::do_recognize_by_name): New virtual function.
11048         (Target_selector::instantiate_target): New private function.
11049         (supported_target_names): Declare.
11050         * target-select.cc (Target_selector::Target_selector): Update for
11051         new parameter and fields.
11052         (select_target_by_name): Check that the name matches before
11053         calling recognize_by_name.
11054         (supported_target_names): New function.
11055         * i386.cc (class Target_selector_i386): Update Target_selector
11056         constructor call.  Remove recognize and recognize_by_name.  Add
11057         do_instantiate_target.
11058         * x86_64.cc (class Target_selector_x86_64): Likewise.
11059         * testsuite/testfile.cc (class Target_selector_test): Update for
11060         changes to Target_selector.
11061
11062         * README: Rewrite, with some notes on unsupported features.
11063
11064 2008-03-24  Cary Coutant  <ccoutant@google.com>
11065
11066         * i386.cc (Target_i386::Got_type): New enum declaration.
11067         (Target_i386::Scan::local): Updated callers of Output_data_got
11068         member functions.
11069         (Target_i386::Scan::global): Likewise.
11070         (Target_i386::Relocate::relocate): Likewise.
11071         (Target_i386::Relocate::relocate_tls): Likewise.
11072         * object.h (Got_offset_list): New class.
11073         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11074         (Sized_relobj::local_got_offset): Likewise.
11075         (Sized_relobj::set_local_got_offset): Likewise.
11076         (Sized_relobj::local_has_tls_got_offset): Removed.
11077         (Sized_relobj::local_tls_got_offset): Removed.
11078         (Sized_relobj::set_local_tls_got_offset): Removed.
11079         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11080         * output.cc (Output_data_got::add_global): Added got_type parameter.
11081         (Output_data_got::add_global_with_rel): Likewise.
11082         (Output_data_got::add_global_with_rela): Likewise.
11083         (Output_data_got::add_global_pair_with_rel): New function.
11084         (Output_data_got::add_global_pair_with_rela): New function.
11085         (Output_data_got::add_local): Added got_type parameter.
11086         (Output_data_got::add_local_with_rel): Likewise.
11087         (Output_data_got::add_local_with_rela): Likewise.
11088         (Output_data_got::add_local_pair_with_rel): New function.
11089         (Output_data_got::add_local_pair_with_rela): New function.
11090         (Output_data_got::add_global_tls): Removed.
11091         (Output_data_got::add_global_tls_with_rel): Removed.
11092         (Output_data_got::add_global_tls_with_rela): Removed.
11093         (Output_data_got::add_local_tls): Removed.
11094         (Output_data_got::add_local_tls_with_rel): Removed.
11095         (Output_data_got::add_local_tls_with_rela): Removed.
11096         * output.h (Output_data_got::add_global): Added got_type parameter.
11097         (Output_data_got::add_global_with_rel): Likewise.
11098         (Output_data_got::add_global_with_rela): Likewise.
11099         (Output_data_got::add_global_pair_with_rel): New function.
11100         (Output_data_got::add_global_pair_with_rela): New function.
11101         (Output_data_got::add_local): Added got_type parameter.
11102         (Output_data_got::add_local_with_rel): Likewise.
11103         (Output_data_got::add_local_with_rela): Likewise.
11104         (Output_data_got::add_local_pair_with_rel): New function.
11105         (Output_data_got::add_local_pair_with_rela): New function.
11106         (Output_data_got::add_global_tls): Removed.
11107         (Output_data_got::add_global_tls_with_rel): Removed.
11108         (Output_data_got::add_global_tls_with_rela): Removed.
11109         (Output_data_got::add_local_tls): Removed.
11110         (Output_data_got::add_local_tls_with_rel): Removed.
11111         (Output_data_got::add_local_tls_with_rela): Removed.
11112         * resolve.cc (Symbol::override_base_with_special): Removed
11113         reference to has_got_offset_ field.
11114         * symtab.cc (Symbol::init_fields): Replaced initialization
11115         of got_offset_ with got_offsets_.  Removed initialization
11116         of has_got_offset_
11117         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11118         (Symbol::got_offset): Likewise.
11119         (Symbol::set_got_offset): Likewise.
11120         (Symbol::has_tls_got_offset): Removed.
11121         (Symbol::tls_got_offset): Removed.
11122         (Symbol::set_tls_got_offset): Removed.
11123         (Symbol::got_offset_): Removed.
11124         (Symbol::tls_mod_got_offset_): Removed.
11125         (Symbol::tls_pair_got_offset_): Removed.
11126         (Symbol::got_offsets_): New field.
11127         (Symbol::has_got_offset): Removed.
11128         (Symbol::has_tls_mod_got_offset): Removed.
11129         (Symbol::has_tls_pair_got_offset): Removed.
11130         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11131         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11132         member functions.
11133         (Target_x86_64::Scan::global): Likewise.
11134         (Target_x86_64::Relocate::relocate): Likewise.
11135         (Target_x86_64::Relocate::relocate_tls): Likewise.
11136
11137 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11138
11139         * yyscript.y: Fix spelling error in comment.
11140
11141 2008-03-24  Ian Lance Taylor  <iant@google.com>
11142
11143         * options.h (class General_options): Define build_id option.
11144         * layout.h (class Layout): Declare write_build_id, create_note,
11145         create_build_id.  Add build_id_note_ member.
11146         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11147         "libiberty.h", "md5.h", "sha1.h".
11148         (Layout::Layout): Initialize eh_frame_data_,
11149         eh_frame_hdr_section_, and build_id_note_.
11150         (Layout::finalize): Call create_build_id.
11151         (Layout::create_note): New function, broken out of
11152         Layout::create_gold_note.
11153         (Layout::create_gold_note): Call create_note.
11154         (Layout::create_build_id): New function.
11155         (Layout::write_build_id): New function.
11156         (Close_task_runner::run): Call write_build_id.
11157
11158         * x86_64.cc: Correct license to GPLv3.
11159
11160 2008-03-23  Ian Lance Taylor  <iant@google.com>
11161
11162         * options.cc: Include "demangle.h".
11163         (parse_optional_string): New function.
11164         (parse_long_option): Handle takes_optional_argument.
11165         (parse_short_option): Update dash_z initializer.  Handle
11166         takes_optional_argument.
11167         (General_options::General_options): Initialize do_demangle_.
11168         (General_options::finalize): Set do_demangle_.  Handle demangling
11169         style.
11170         * options.h (parse_optional_string): Declare.
11171         (struct One_option): Add optional_arg field.  Update constructor.
11172         Update call constructor calls.  Add takes_optional_argument
11173         function.
11174         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11175         (DEFINE_optional_string): Define.
11176         (General_options::demangle): Change from DEFINE_bool to
11177         DEFINE_optional_string.
11178         (General_options::no_demangle): New function.
11179         (General_options::do_demangle): New function.
11180         (General_options::set_do_demangle): New function.
11181         (General_options::execstack_status_): Move definition to end of
11182         class definition.
11183         (General_options::static_): Likewise.
11184         (General_options::do_demangle_): New field.
11185         * object.cc (big_endian>::get_symbol_location_info): Call
11186         Options::do_demangle, not Options::demangle.
11187         * symtab.cc (demangle): Likewise.
11188
11189 2008-03-22  Ian Lance Taylor  <iant@google.com>
11190
11191         * gold.h: Include <cstddef> and <sys/types.h>
11192         * options.h: Include <cstring>.
11193
11194 2008-03-21  Ian Lance Taylor  <iant@google.com>
11195
11196         * Added source code to GNU binutils.