* symtab.cc (Warnings::issue_warning): Don't warn if relocation
[external/binutils.git] / gold / ChangeLog
1 2011-06-16  Ian Lance Taylor  <iant@google.com>
2
3         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
4         occurs in same object.
5
6 2011-06-14  Alan Modra  <amodra@gmail.com>
7
8         * po/POTFILES.in: Regenerate.
9
10 2011-06-09  Ian Lance Taylor  <iant@google.com>
11
12         * script-sections.cc
13         (Orphan_output_section::set_section_addresses): For a relocatable
14         link set address to 0.
15
16 2011-06-09  Cary Coutant  <ccoutant@google.com>
17
18         PR gold/12804
19         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
20         used with --compress-debug-sections.
21         * gold/object.cc (Sized_relobj_file::do_layout): Report
22         uncompressed size of compressed input sections.
23
24 2011-06-08  Cary Coutant  <ccoutant@google.com>
25
26         PR gold/12804
27         * testsuite/two_file_test_2_v1.cc: Change initialization of
28         v2 to keep it in .data.
29
30 2011-06-07  Cary Coutant  <ccoutant@google.com>
31
32         * common.cc (Symbol_table::do_allocate_commons_list): Call
33         gold_fallback.
34         * errors.cc (Errors::fatal): Adjust call to gold_exit.
35         (Errors::fallback): New function.
36         (gold_fallback): New function.
37         * errors.h (Errors::fallback): New function.
38         * gold.cc (gold_exit): Change status parameter to enum; adjust
39         all callers.
40         (queue_initial_tasks): Call gold_fallback.
41         * gold.h: Include cstdlib.
42         (Exit_status): New enum type.
43         (gold_exit): Change status parameter to enum.
44         (gold_fallback): New function.
45         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
46         (Layout::create_symtab_sections): Likewise.
47         (Layout::create_shdrs): Likewise.
48         * main.cc (main): Adjust call to gold_exit.
49         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
50         (Output_data_got::add_got_entry_pair): Likewise.
51         (Output_section::add_input_section): Likewise.
52         (Output_section::add_output_section_data): Likewise.
53         (Output_segment::set_section_list_addresses): Likewise.
54         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
55
56 2011-06-07  Cary Coutant  <ccoutant@google.com>
57
58         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
59         for incremental links.
60         * output.cc (Output_segment::set_section_list_addresses): Remove
61         FIXME and test for TLS or BSS.
62
63 2011-06-07  Cary Coutant  <ccoutant@google.com>
64
65         * testsuite/Makefile.am: Add incremental_copy_test,
66         incremental_common_test_1.
67         * testsuite/Makefile.in: Regenerate.
68         * testsuite/common_test_1_v1.c: New source file.
69         * testsuite/common_test_1_v2.c: New source file.
70         * testsuite/copy_test_v1.cc: New source file.
71
72 2011-06-07  Cary Coutant  <ccoutant@google.com>
73
74         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
75         update, allocate common from bss section's free list.
76         * incremental-dump.cc (dump_incremental_inputs): Print flag for
77         linker-defined symbols.
78         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
79         Skip GOT and PLT entries that are no longer referenced.
80         (Output_section_incremental_inputs::write_info_blocks): Mark
81         linker-defined symbols.
82         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
83         * output.cc (Output_section::allocate): New function.
84         * output.h (Output_section::allocate): New function.
85         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
86         linker-defined symbols.
87         (Symbol::override_base_with_special): Copy is_predefined_ flag.
88         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
89         (Symbol::init_base_output_data): Likewise.
90         (Symbol::init_base_output_segment): Likewise.
91         (Symbol::init_base_constant): Likewise.
92         (Sized_symbol::init_output_data): Likewise.
93         (Sized_symbol::init_output_segment): Likewise.
94         (Sized_symbol::init_constant): Likewise.
95         (Symbol_table::do_define_in_output_data): Likewise.
96         (Symbol_table::do_define_in_output_segment): Likewise.
97         (Symbol_table::do_define_as_constant): Likewise.
98         * symtab.h (Symbol::is_predefined): New function.
99         (Symbol::init_base_output_data): Add is_predefined parameter.
100         (Symbol::init_base_output_segment): Likewise.
101         (Symbol::init_base_constant): Likewise.
102         (Symbol::is_predefined_): New data member.
103         (Sized_symbol::init_output_data): Add is_predefined parameter.
104         (Sized_symbol::init_output_segment): Likewise.
105         (Sized_symbol::init_constant): Likewise.
106         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
107
108 2011-06-07  Cary Coutant  <ccoutant@google.com>
109
110         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
111         instead of emit_copy_reloc.
112         (Copy_relocs::emit_copy_reloc): Refactor.
113         (Copy_relocs::make_copy_reloc): New function.
114         (Copy_relocs::add_copy_reloc): Remove.
115         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
116         section.
117         (Copy_relocs::make_copy_reloc): New function.
118         (Copy_relocs::add_copy_reloc): Remove.
119         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
120         unchanged input files.
121         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
122         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
123         Reserve BSS space for COPY relocations.
124         (Sized_incremental_binary::do_emit_copy_relocs): New function.
125         (Output_section_incremental_inputs::write_info_blocks): Record
126         whether a symbol is copied from a shared object.
127         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
128         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
129         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
130         (Incremental_input_entry_reader::get_output_symbol_index): Add
131         is_copy parameter.
132         (Incremental_binary::emit_copy_relocs): New function.
133         (Incremental_binary::do_emit_copy_relocs): New function.
134         (Sized_incremental_binary::Sized_incremental_binary): Initialize
135         new data member.
136         (Sized_incremental_binary::add_copy_reloc): New function.
137         (Sized_incremental_binary::do_emit_copy_relocs): New function.
138         (Sized_incremental_binary::Copy_reloc): New struct.
139         (Sized_incremental_binary::Copy_relocs): New typedef.
140         (Sized_incremental_binary::copy_relocs_): New data member.
141         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
142         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
143         * target.h (Sized_target::emit_copy_reloc): New function.
144         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
145
146 2011-06-02  Cary Coutant  <ccoutant@google.com>
147
148         PR gold/12163
149         * gold/archive.cc (Archive::Archive): Initialize new data member.
150         (Archive::include_all_members): Return if archive has already been
151         included.
152         * gold/archive.h (Archive::include_all_members_): New data member.
153
154 2011-06-02  Nick Clifton  <nickc@redhat.com>
155
156         * dynobj.h: Fix spelling mistake in comment.
157         * output.cc: Likewise.
158
159 2011-05-31  Doug Kwan  <dougkwan@google.com>
160             Asier Llano
161
162         PR gold/12826
163         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
164         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
165         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
166         redundant arm_exidx_test.so.
167         * testsuite/Makefile.in: Regenerate.
168         (check_SCRIPTS): Add pr12826.sh
169         (check_DATA): Add pr12826.stdout
170         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
171         * testsuite/pr12826.sh: New file.
172         * testsuite/pr12826_1.s: Ditto.
173         * testsuite/pr12826_1.s: Ditto.
174
175 2011-05-30  Ian Lance Taylor  <iant@google.com>
176
177         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
178         sections.
179
180 2011-05-29  Ian Lance Taylor  <iant@google.com>
181
182         PR gold/12804
183         * testsuite/Makefile.am: Use different file name for two_file_test
184         temporary file for each incremental test.
185         * testsuite/Makefile.in: Rebuild.
186
187 2011-05-29  Ian Lance Taylor  <iant@google.com>
188
189         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
190         binary input file is empty.
191
192 2011-05-27  Ian Lance Taylor  <iant@google.com>
193
194         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
195         (ver_test_9.so): Likewise.
196         * testsuite/Makefile.in: Rebuild.
197
198 2011-05-26 Cary Coutant  <ccoutant@google.com>
199
200         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
201         * incremental.cc (Incremental_inputs::report_input_section): Fix
202         comment, indentation.
203         (Incremental_inputs::report_comdat_group): New function.
204         (Output_section_incremental_inputs::set_final_data_size): Adjust size
205         of data for incremental input file entry.
206         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
207         group count, COMDAT group signatures.
208         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
209         an unchanged input file.
210         * incremental.h (Incremental_object_entry::Incremental_object_entry):
211         Initialize new data member.
212         (Incremental_object_entry::add_comdat_group): New function.
213         (Incremental_object_entry::get_comdat_group_count): New function.
214         (Incremental_object_entry::get_comdat_signature_key): New function.
215         (Incremental_object_entry::groups_): New data member.
216         (Incremental_inputs::report_comdat_group): New function.
217         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
218         data for incremental input file entry.
219         (Incremental_input_entry_reader::get_comdat_group_count): New function.
220         (Incremental_input_entry_reader::get_input_section): Adjust size of
221         data for incremental input file entry.
222         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
223         (Incremental_input_entry_reader::get_comdat_group_signature): New
224         function.
225         * object.cc (Sized_relobj::include_section_group): Report kept
226         COMDAT groups for incremental links.
227
228 2011-05-24  David Meyer  <pdox@google.com>
229
230         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
231         with name parameter.  Add found_name parameter.
232         * fileread.cc (Input_file::find_file): Adjust code accordingly.
233         * dirsearch.h (class Dirsearch): Update declaration.
234
235 2011-05-24  Ian Lance Taylor  <iant@google.com>
236
237         * archive.cc (Library_base::should_include_member): Pull in object
238         from archive if it defines the entry symbol.
239         * parameters.cc (Parameters::entry): New function.
240         * parameters.h (class Parameters): Declare entry.
241         * output.h (class Output_file_header): Remove entry_ field.
242         * output.cc (Output_file_header::Output_file_header): Remove entry
243         parameter.  Change all callers.
244         (Output_file_header::entry): Use parameters->entry.
245         * gold.cc (queue_middle_tasks): Likewise.
246         * plugin.cc (Plugin_hook::run): Likewise.
247
248 2011-05-24 Cary Coutant  <ccoutant@google.com>
249
250         * gold.cc (queue_initial_tasks): Pass incremental base filename
251         to Output_file::open_base_file; don't print error message.
252         * incremental-dump.cc (main): Adjust call to
253         Output_file::open_for_modification.
254         * incremental-dump.cc (main): Likewise.
255         * incremental.cc (Incremental_inputs::report_command_line):
256         Ignore --incremental-base option when comparing command lines.
257         Ignore parameter when given as separate argument.
258         * options.h (class General_options): Add --incremental-base.
259         * output.cc (Output_file::Output_file):
260         (Output_file::open_base_file): Add base_name and writable parameters;
261         read base file into new file; print error message here.
262         (Output_file::map_no_anonymous): Add writable parameter; adjust all
263         callers.
264         * output.h (Output_file::open_for_modification): Rename to...
265         (Output_file::open_base_file): ...this; add base_name and
266         writable parameters; adjust all callers.
267         (Output_file::map_no_anonymous): Add writable parameter; adjust all
268         callers.
269         * testsuite/Makefile.am (incremental_test_4): Test
270         --incremental-base.
271         * testsuite/Makefile.in: Regenerate.
272
273 2011-05-24 Cary Coutant  <ccoutant@google.com>
274
275         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
276         incremental_test_4.
277         * testsuite/Makefile.in: Regenerate.
278         * testsuite/two_file_test_1_v1.cc: New test source file.
279         * testsuite/two_file_test_1b_v1.cc: New test source file.
280         * testsuite/two_file_test_2_v1.cc: New test source file.
281
282 2011-05-24 Cary Coutant  <ccoutant@google.com>
283
284         * dynobj.h (Dynobj::do_dynobj): New function.
285         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
286         flag and soname for shared objects.
287         * incremental.cc (Incremental_inputs::report_object): Make
288         either Incremental_object_entry or Incremental_dynobj_entry; add
289         soname to string table.
290         (Incremental_inputs::report_input_section): Add assertion.
291         (Output_section_incremental_inputs::set_final_data_size): Adjust
292         type of input file entry for shared libraries; adjust size of
293         shared library info entry.
294         (Output_section_incremental_inputs::write_input_files): Write
295         as_needed flag for shared libraries.
296         (Output_section_incremental_inputs::write_info_blocks): Adjust type
297         of input file entry for shared libraries; write soname.
298         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
299         soname from incremental info.
300         * incremental.h (enum Incremental_input_flags): Add
301         INCREMENTAL_INPUT_AS_NEEDED.
302         (Incremental_input_entry::Incremental_input_entry): Initialize new
303         data member.
304         (Incremental_input_entry::set_as_needed): New function.
305         (Incremental_input_entry::as_needed): New function.
306         (Incremental_input_entry::do_dynobj_entry): New function.
307         (Incremental_input_entry::as_needed_): New data member.
308         (Incremental_object_entry::Incremental_object_entry): Don't check
309         for shared library.
310         (Incremental_object_entry::do_type): Likewise.
311         (class Incremental_dynobj_entry): New class.
312         (Incremental_input_entry_reader::as_needed): New function.
313         (Incremental_input_entry_reader::get_soname): New function.
314         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
315         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
316         size of shared library info entry.
317         * layout.cc (Layout::finish_dynamic_section): Don't test for 
318         incremental link when adding DT_NEEDED entries.
319         * object.h (Object::Object): Initialize new data member.
320         (Object::dynobj): New function.
321         (Object::set_as_needed): New function.
322         (Object::as_needed): New function.
323         (Object::do_dynobj): New function.
324         (Object::as_needed_): New data member.
325
326 2011-05-24 Cary Coutant  <ccoutant@google.com>
327
328         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
329         info; adjust display of GOT entries.
330         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
331         vector of input objects; remove file_status_.
332         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
333         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
334         got_plt reader; call target hooks to reserve GOT entries.
335         (Output_section_incremental_inputs::set_final_data_size): Adjust size
336         of input file info header and GOT info entry.
337         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
338         relocation info.
339         (Got_plt_view_info::got_descriptor): Remove.
340         (Got_plt_view_info::sym_index): New data member.
341         (Got_plt_view_info::input_index): New data member.
342         (Local_got_offset_visitor::visit): Write input file index.
343         (Global_got_offset_visitor::visit): Write 0 for input file index.
344         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
345         with sym_index and input_index.
346         (Output_section_incremental_inputs::write_got_plt): Adjust size of
347         incremental info GOT entry; replace got_descriptor with input_index.
348         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
349         map from input file index to object.
350         (Sized_relobj_incr::do_layout): Replace direct data member reference
351         with accessor function.
352         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
353         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
354         Adjust size of input file info header.
355         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
356         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
357         (Incremental_input_entry_reader::get_input_section): Adjust size of
358         input file info header.
359         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
360         of incremental info GOT entry.
361         (Incremental_got_plt_reader::get_got_desc): Remove.
362         (Incremental_got_plt_reader::get_got_symndx): New function.
363         (Incremental_got_plt_reader::get_got_input_index): New function.
364         (Sized_incremental_binary::Sized_incremental_binary): Remove
365         file_status_; add input_objects_.
366         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
367         (Sized_incremental_binary::set_file_is_unchanged): Remove.
368         (Sized_incremental_binary::file_is_unchanged): Remove.
369         (Sized_incremental_binary::set_input_object): New function.
370         (Sized_incremental_binary::input_object): New function.
371         (Sized_incremental_binary::file_status_): Remove.
372         (Sized_incremental_binary::input_objects_): New data member.
373         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
374         references.
375         (Sized_relobj_incr::invalid_address): Move to base class.
376         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
377         class.
378         (Sized_relobj_incr::do_output_section_offset): Likewise.
379         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
380         (Sized_relobj_incr::section_offsets_): Likewise.
381         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
382         function.
383         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
384         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
385         with accessor function.
386         (Sized_relobj_file::do_layout): Likewise.
387         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
388         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
389         (Sized_relobj_file::compute_final_local_value): Replace refs to
390         section_offsets_ with accessor function.
391         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
392         * object.h (Relobj::Relobj): Initialize new data members.
393         (Relobj::add_dyn_reloc): New function.
394         (Relobj::first_dyn_reloc): New function.
395         (Relobj::dyn_reloc_count): New function.
396         (Relobj::first_dyn_reloc_): New data member.
397         (Relobj::dyn_reloc_count_): New data member.
398         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
399         references.
400         (Sized_relobj::Address): New typedef.
401         (Sized_relobj::invalid_address): Move here from child class.
402         (Sized_relobj::Sized_relobj): Initialize new data members.
403         (Sized_relobj::sized_relobj): New function.
404         (Sized_relobj::is_output_section_offset_invalid): Move here from
405         child class.
406         (Sized_relobj::get_output_section_offset): Likewise.
407         (Sized_relobj::local_has_got_offset): Likewise.
408         (Sized_relobj::local_got_offset): Likewise.
409         (Sized_relobj::set_local_got_offset): Likewise.
410         (Sized_relobj::do_for_all_local_got_entries): Likewise.
411         (Sized_relobj::clear_got_offsets): New function.
412         (Sized_relobj::section_offsets): Move here from child class.
413         (Sized_relobj::do_output_section_offset): Likewise.
414         (Sized_relobj::do_set_section_offset): Likewise.
415         (Sized_relobj::Local_got_offsets): Likewise.
416         (Sized_relobj::local_got_offsets_): Likewise.
417         (Sized_relobj::section_offsets_): Likewise.
418         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
419         references.
420         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
421         class.
422         (Sized_relobj_file::sized_relobj): New function
423         (Sized_relobj_file::local_has_got_offset): Move to base class.
424         (Sized_relobj_file::local_got_offset): Likewise.
425         (Sized_relobj_file::set_local_got_offset): Likewise.
426         (Sized_relobj_file::get_output_section_offset): Likewise.
427         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
428         (Sized_relobj_file::do_output_section_offset): Likewise.
429         (Sized_relobj_file::do_set_section_offset): Likewise.
430         (Sized_relobj_file::Local_got_offsets): Likewise.
431         (Sized_relobj_file::local_got_offsets_): Likewise.
432         (Sized_relobj_file::section_offsets_): Likewise.
433         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
434         (all constructors).
435         (set_needs_dynsym_index): Convert relobj to derived class pointer.
436         (Output_reloc::get_symbol_index): Likewise.
437         (Output_reloc::local_section_offset): Likewise.
438         (Output_reloc::get_address): Likewise.
439         (Output_reloc::symbol_value): Likewise.
440         (Output_data_got::reserve_slot): Move to class definition.
441         (Output_data_got::reserve_local): New function.
442         (Output_data_got::reserve_slot_for_global): Remove.
443         (Output_data_got::reserve_global): New function.
444         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
445         (all constructors, two instantiations).
446         (Output_reloc::get_relobj): New function (two instantiations).
447         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
448         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
449         (Output_data_reloc::add_global): Adjust type of relobj.
450         (Output_data_reloc::add_global_relative): Likewise.
451         (Output_data_reloc::add_symbolless_global_addend): Likewise.
452         (Output_data_reloc::add_local): Likewise.
453         (Output_data_reloc::add_local_relative): Likewise.
454         (Output_data_reloc::add_symbolless_local_addend): Likewise.
455         (Output_data_reloc::add_local_section): Likewise.
456         (Output_data_reloc::add_output_section): Likewise.
457         (Output_data_reloc::add_absolute): Likewise.
458         (Output_data_reloc::add_target_specific): Likewise.
459         (Output_data_got::reserve_slot): Move definition here.
460         (Output_data_got::reserve_local): New function.
461         (Output_data_got::reserve_global): New function.
462         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
463         section_offsets_ with accessor function.
464         (Sized_relobj_file::write_sections): Likewise.
465         (Sized_relobj_file::do_relocate_sections): Likewise.
466         * target.h (Sized_target::reserve_local_got_entry): New function.
467         (Sized_target::reserve_global_got_entry): New function.
468         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
469         (Target_x86_64::reserve_global_got_entry): New function.
470         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
471
472 2011-05-23 Cary Coutant  <ccoutant@google.com>
473
474         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
475         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
476         bit when checking got_type.
477         * incremental.cc (Sized_incremental_binary::setup_readers):
478         Store symbol table and string table locations; initialize bit vector
479         of file status flags.
480         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
481         unchanged files.
482         (Sized_incremental_binary::do_process_got_plt): New function.
483         (Sized_incremental_binary::get_symtab_view): Use stored locations.
484         (Output_section_incremental_inputs::set_final_data_size): Record
485         file index for each input file.
486         (Output_section_incremental_inputs::write_got_plt): Store file index
487         instead of input entry offset for each GOT entry.
488         * incremental.h
489         (Incremental_input_entry::Incremental_input_entry): Initialize new
490         data member.
491         (Incremental_input_entry::set_offset): Store file index.
492         (Incremental_input_entry::get_file_index): New function.
493         (Incremental_input_entry::file_index_): New data member.
494         (Incremental_binary::process_got_plt): New function.
495         (Incremental_binary::do_process_got_plt): New function.
496         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
497         data members.
498         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
499         (Sized_incremental_binary::set_file_is_unchanged): New function.
500         (Sized_incremental_binary::file_is_unchanged): New function.
501         (Sized_incremental_binary::do_process_got_plt): New function.
502         (Sized_incremental_binary::file_status_): New data member.
503         (Sized_incremental_binary::main_symtab_loc_): New data member.
504         (Sized_incremental_binary::main_strtab_loc_): New data member.
505         * output.cc (Output_data_got::Got_entry::write): Add case
506         RESERVED_CODE.
507         (Output_data_got::add_global): Call add_got_entry.
508         (Output_data_got::add_global_plt): Likewise.
509         (Output_data_got::add_global_with_rel): Likewise.
510         (Output_data_got::add_global_with_rela): Likewise.
511         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
512         (Output_data_got::add_global_pair_with_rela): Likewise.
513         (Output_data_got::add_local): Call add_got_entry.
514         (Output_data_got::add_local_plt): Likewise.
515         (Output_data_got::add_local_with_rel): Likewise.
516         (Output_data_got::add_local_with_rela): Likewise.
517         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
518         (Output_data_got::add_local_pair_with_rela): Likewise.
519         (Output_data_got::reserve_slot): New function.
520         (Output_data_got::reserve_slot_for_global): New function.
521         (Output_data_got::add_got_entry): New function.
522         (Output_data_got::add_got_entry_pair): New function.
523         (Output_section::add_output_section_data): Edit FIXME.
524         * output.h
525         (Output_section_data_build::Output_section_data_build): New
526         constructor with size parameter.
527         (Output_data_space::Output_data_space): Likewise.
528         (Output_data_got::Output_data_got): Initialize new data member; new
529         constructor with size parameter.
530         (Output_data_got::add_constant): Call add_got_entry.
531         (Output_data_got::reserve_slot): New function.
532         (Output_data_got::reserve_slot_for_global): New function.
533         (class Output_data_got::Got_entry): Add RESERVED_CODE.
534         (Output_data_got::add_got_entry): New function.
535         (Output_data_got::add_got_entry_pair): New function.
536         (Output_data_got::free_list_): New data member.
537         * target.h (Sized_target::init_got_plt_for_update): New function.
538         (Sized_target::register_global_plt_entry): New function.
539         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
540         Initialize new data member; call init; add constructor with PLT count.
541         (Output_data_plt_x86_64::init): New function.
542         (Output_data_plt_x86_64::add_relocation): New function.
543         (Output_data_plt_x86_64::reserve_slot): New function.
544         (Output_data_plt_x86_64::free_list_): New data member.
545         (Target_x86_64::init_got_plt_for_update): New function.
546         (Target_x86_64::register_global_plt_entry): New function.
547         (Output_data_plt_x86_64::add_entry): Allocate from free list for
548         incremental updates.
549         (Output_data_plt_x86_64::add_relocation): New function.
550         * testsuite/object_unittest.cc (Object_test): Set default options.
551
552 2011-05-16  Ian Lance Taylor  <iant@google.com>
553
554         * options.h (class General_options): Make -i a synonym for -r.
555
556 2011-05-16  Ian Lance Taylor  <iant@google.com>
557
558         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
559
560 2011-05-10 Cary Coutant  <ccoutant@google.com>
561
562         * object.cc (Sized_relobj::do_count_local_symbols): Check for
563         strip_all (-s).
564
565 2011-05-06  Ian Lance Taylor  <iant@google.com>
566
567         * layout.cc (Layout::layout): If the output section flags change,
568         update the ordering.
569
570 2011-04-25 Cary Coutant  <ccoutant@google.com>
571
572         * incremental-dump.cc (dump_incremental_inputs): Print local
573         symbol info for each input file.
574         * incremental.cc
575         (Output_section_incremental_inputs::set_final_data_size): Add local
576         symbol info to input file entries in incremental info.
577         (Output_section_incremental_inputs::write_info_blocks): Likewise.
578         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
579         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
580         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
581         implementation.
582         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
583         (Sized_incr_relobj::do_relocate): Write the local symbols.
584         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
585         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
586         Adjust size of input file header.
587         (Incremental_inputs_reader::get_local_symbol_offset): New function.
588         (Incremental_inputs_reader::get_local_symbol_count): New function.
589         (Incremental_inputs_reader::get_input_section): Adjust size of input
590         file header.
591         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
592         (Sized_incr_relobj::This): New typedef.
593         (Sized_incr_relobj::sym_size): New const data member.
594         (Sized_incr_relobj::Local_symbol): New struct.
595         (Sized_incr_relobj::do_output_local_symbol_count): New function.
596         (Sized_incr_relobj::do_local_symbol_offset): New function.
597         (Sized_incr_relobj::local_symbol_count_): New data member.
598         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
599         (Sized_incr_relobj::local_symbol_index_): New data member.
600         (Sized_incr_relobj::local_symbol_offset_): New data member.
601         (Sized_incr_relobj::local_dynsym_offset_): New data member.
602         (Sized_incr_relobj::local_symbols_): New data member.
603         * object.h (Relobj::output_local_symbol_count): New function.
604         (Relobj::local_symbol_offset): New function.
605         (Relobj::do_output_local_symbol_count): New function.
606         (Relobj::do_local_symbol_offset): New function.
607         (Sized_relobj::do_output_local_symbol_count): New function.
608         (Sized_relobj::do_local_symbol_offset): New function.
609
610 2011-04-22  Vladimir Simonov  <sv@sw.ru>
611
612         * descriptors.cc (set_close_on_exec): New function.
613         (Descriptors::open): Use set_close_on_exec.
614         * output.cc (S_ISLNK): Define if not defined.
615
616 2011-04-22 Cary Coutant  <ccoutant@google.com>
617
618         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
619         global symbol map.
620         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
621         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
622         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
623         relocations.
624         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
625         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
626         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
627         * incremental.h
628         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
629         function.
630         (Incremental_binary::apply_incremental_relocs): New function.
631         (Incremental_binary::do_apply_incremental_relocs): New function.
632         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
633         data member.
634         (Sized_incremental_binary::add_global_symbol): New function.
635         (Sized_incremental_binary::global_symbol): New function.
636         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
637         (Sized_incremental_binary::symbol_map_): New data member.
638         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
639         * target.h (Sized_target::apply_relocation): New function.
640         * target-reloc.h (apply_relocation): New function.
641         * x86_64.cc (Target_x86_64::apply_relocation): New function.
642
643 2011-04-22  Doug Kwan  <dougkwan@google.com>
644
645         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
646         flag of a SHT_ARM_EXIDX section.
647         * testsuite/Makefile.am (arm_exidx_test): New test rules.
648         * testsuite/Makefile.in: Regenerate.
649         * testsuite/arm_exidx_test.s: New file.
650         * testsuite/arm_exidx_test.sh: Same.
651
652 2011-04-20 Cary Coutant  <ccoutant@google.com>
653
654         PR gold/12689
655         * archive.h (Incremental_archive_entry::Archive_member):
656         Initialize arg_serial_ (second constructor).
657
658 2011-04-17  Ian Lance Taylor  <iant@google.com>
659
660         * object.cc (Relocate_info::location): Simplify location string.
661         * errors.cc (Errors::error_at_location): Don't print program
662         name.
663         (Errors::warning_at_location): Likewise.
664         (Errors::undefined_symbol): Likewise.
665         * testsuite/debug_msg.sh: Update accordingly.
666
667 2011-04-14 Cary Coutant  <ccoutant@google.com>
668
669         * gold/layout.cc (Layout::symtab_section_offset): New function.
670         * gold/layout.h (Layout::symtab_section_offset): New function.
671         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
672
673 2011-04-12  Ian Lance Taylor  <iant@google.com>
674
675         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
676         with MREMAP_MAYMOVE.
677         * output.h (class Output_file): Add map_is_allocated_ field.
678         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
679         not available, provide stubs.  If mremap is not available, #define
680         it to gold_mremap.
681         (MREMAP_MAYMOVE): Define if not defined.
682         (Output_file::Output_file): Initialize map_is_allocated_.
683         (Output_file::resize): Check map_is_allocated_.
684         (Output_file::map_anonymous): If mmap fails, use malloc.
685         (Output_file::unmap): Don't do anything for an anonymous map.
686         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
687         is not available, provide stubs.
688         (File_read::View::~View): Use free rather than delete[].
689         (File_read::make_view): Use malloc rather than new[].  If mmap
690         fails, use malloc.
691         (File_read::find_or_make_view): Use malloc rather than new[].
692         * gold.h: Remove HAVE_REMAP code.
693         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
694         exists.  Rename mremap to gold_mremap.  If mmap is not available
695         don't do anything.
696         * configure, config.in: Rebuild.
697
698 2011-04-11  Ian Lance Taylor  <iant@google.com>
699
700         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
701         initialize local variable v.
702
703 2011-04-11  Cary Coutant  <ccoutant@google.com>
704
705         * archive.cc (Archive::include_member): Adjust call to
706         report_object.
707         (Add_archive_symbols::run): Track argument serial numbers.
708         (Lib_group::include_member): Likewise.
709         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
710         * archive.h (Incremental_archive_entry::Archive_member):
711         Initialize arg_serial_.
712         (Archive_member::arg_serial_): New data member.
713         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
714         (Sized_dynobj::do_add_symbols): Track symbols when doing an
715         incremental link.
716         (Sized_dynobj::do_for_all_local_got_entries): New function.
717         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
718         function.
719         * fileread.cc (get_mtime): New function.
720         * fileread.h (get_mtime): New function.
721         * gold.cc (queue_initial_tasks): Check for incremental update.
722         (process_incremental_input): New function.
723         (queue_middle_tasks): Don't force valid target for incremental
724         update.
725         * incremental-dump.cc (find_input_containing_global): Adjust
726         size of symbol info entry.
727         (dump_incremental_inputs): Dump argument serial number and
728         in_system_directory flag; bias shndx by 1; print symbol names
729         when dumping per-file symbol lists; use new symbol info readers.
730         * incremental.cc
731         (Output_section_incremental_inputs:update_data_size): New function.
732         (Sized_incremental_binary::setup_readers): Setup input readers
733         for each input file; build maps for files added from libraries
734         and scripts.
735         (Sized_incremental_binary::check_input_args): New function.
736         (Sized_incremental_binary::do_check_inputs): Build map of argument
737         serial numbers to input arguments.
738         (Sized_incremental_binary::do_file_has_changed): Rename
739         do_file_is_unchanged to this; compare file modification times.
740         (Sized_incremental_binary::do_init_layout): New function.
741         (Sized_incremental_binary::do_reserve_layout): New function.
742         (Sized_incremental_binary::do_get_input_reader): Remove.
743         (Sized_incremental_binary::get_symtab_view): New function.
744         (Incremental_checker::can_incrementally_link_output_file): Remove.
745         (Incremental_inputs::report_command_line): Exclude --debug options.
746         (Incremental_inputs::report_archive_begin): Add parameter; track
747         argument serial numbers; don't put input file entry for archive
748         before archive members.
749         (Incremental_inputs::report_archive_end): Put input file entry
750         for archive after archive members.
751         (Incremental_inputs::report_object): Add parameter; track argument
752         serial numbers and in_system_directory flag.
753         (Incremental_inputs::report_script): Add parameter; track argument
754         serial numbers.
755         (Output_section_incremental_inputs::set_final_data_size): Adjust
756         size of symbol info entry; check for forwarding symbols.
757         (Output_section_incremental_inputs::write_input_files): Write
758         in_system_directory flag and argument serial number.
759         (Output_section_incremental_inputs::write_info_blocks): Map section
760         indices between incremental info and original input file; store
761         input section index for each symbol.
762         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
763         change operator() to visit().
764         (class Global_got_offset_visitor): Likewise.
765         (class Global_symbol_visitor_got_plt):
766         (Output_section_incremental_inputs::write_got_plt): Use new visitor
767         classes.
768         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
769         (Sized_incr_relobj::do_read_symbols): New function.
770         (Sized_incr_relobj::do_layout): New function.
771         (Sized_incr_relobj::do_layout_deferred_sections): New function.
772         (Sized_incr_relobj::do_add_symbols): New function.
773         (Sized_incr_relobj::do_should_include_member): New function.
774         (Sized_incr_relobj::do_for_all_global_symbols): New function.
775         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
776         (Sized_incr_relobj::do_section_size): New function.
777         (Sized_incr_relobj::do_section_name): New function.
778         (Sized_incr_relobj::do_section_contents): New function.
779         (Sized_incr_relobj::do_section_flags): New function.
780         (Sized_incr_relobj::do_section_entsize): New function.
781         (Sized_incr_relobj::do_section_address): New function.
782         (Sized_incr_relobj::do_section_type): New function.
783         (Sized_incr_relobj::do_section_link): New function.
784         (Sized_incr_relobj::do_section_info): New function.
785         (Sized_incr_relobj::do_section_addralign): New function.
786         (Sized_incr_relobj::do_initialize_xindex): New function.
787         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
788         (Sized_incr_relobj::do_read_relocs): New function.
789         (Sized_incr_relobj::do_gc_process_relocs): New function.
790         (Sized_incr_relobj::do_scan_relocs): New function.
791         (Sized_incr_relobj::do_count_local_symbols): New function.
792         (Sized_incr_relobj::do_finalize_local_symbols): New function.
793         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
794         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
795         (Sized_incr_relobj::do_relocate): New function.
796         (Sized_incr_relobj::do_set_section_offset): New function.
797         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
798         (Sized_incr_dynobj::do_read_symbols): New function.
799         (Sized_incr_dynobj::do_layout): New function.
800         (Sized_incr_dynobj::do_add_symbols): New function.
801         (Sized_incr_dynobj::do_should_include_member): New function.
802         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
803         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
804         (Sized_incr_dynobj::do_section_size): New function.
805         (Sized_incr_dynobj::do_section_name): New function.
806         (Sized_incr_dynobj::do_section_contents): New function.
807         (Sized_incr_dynobj::do_section_flags): New function.
808         (Sized_incr_dynobj::do_section_entsize): New function.
809         (Sized_incr_dynobj::do_section_address): New function.
810         (Sized_incr_dynobj::do_section_type): New function.
811         (Sized_incr_dynobj::do_section_link): New function.
812         (Sized_incr_dynobj::do_section_info): New function.
813         (Sized_incr_dynobj::do_section_addralign): New function.
814         (Sized_incr_dynobj::do_initialize_xindex): New function.
815         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
816         (make_sized_incremental_object): New function.
817         (Incremental_library::copy_unused_symbols): New function.
818         (Incremental_library::do_for_all_unused_symbols): New function.
819         * incremental.h (enum Incremental_input_flags): New type.
820         (class Incremental_checker): Remove.
821         (Incremental_input_entry::Incremental_input_entry): Add argument
822         serial number.
823         (Incremental_input_entry::arg_serial): New function.
824         (Incremental_input_entry::set_is_in_system_directory): New function.
825         (Incremental_input_entry::is_in_system_directory): New function.
826         (Incremental_input_entry::arg_serial_): New data member.
827         (Incremental_input_entry::is_in_system_directory_): New data member.
828         (class Script_info): Move here from script.h.
829         (Script_info::Script_info): Add filename parameter.
830         (Script_info::filename): New function.
831         (Script_info::filename_): New data member.
832         (Incremental_script_entry::Incremental_script_entry): Add argument
833         serial number.
834         (Incremental_object_entry::Incremental_object_entry): Likewise.
835         (Incremental_object_entry::add_input_section): Build list of input
836         sections with map to original shndx.
837         (Incremental_object_entry::get_input_section_index): New function.
838         (Incremental_object_entry::shndx_): New data member.
839         (Incremental_object_entry::name_key_): Rename; adjust all refs.
840         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
841         (Incremental_archive_entry::Incremental_archive_entry): Add argument
842         serial number.
843         (Incremental_inputs::report_archive_begin): Likewise.
844         (Incremental_inputs::report_object): Likewise.
845         (Incremental_inputs::report_script): Likewise.
846         (class Incremental_global_symbol_reader): New class.
847         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
848         and store flags and input file type.
849         (Incremental_input_entry_reader::arg_serial): New function.
850         (Incremental_input_entry_reader::type): Extract type from flags.
851         (Incremental_input_entry_reader::is_in_system_directory): New function.
852         (Incremental_input_entry_reader::get_input_section_count): Call
853         accessor function for type.
854         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
855         function for type; adjust size of global symbol entry.
856         (Incremental_input_entry_reader::get_global_symbol_count): Call
857         accessor function for type.
858         (Incremental_input_entry_reader::get_object_count): Likewise.
859         (Incremental_input_entry_reader::get_object_offset): Likewise.
860         (Incremental_input_entry_reader::get_member_count): Likewise.
861         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
862         (Incremental_input_entry_reader::get_member_offset): Likewise.
863         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
864         (Incremental_input_entry_reader::Global_symbol_info): Remove.
865         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
866         (Incremental_input_entry_reader::get_global_symbol_reader): New
867         function.
868         (Incremental_input_entry_reader::get_output_symbol_index): New
869         function.
870         (Incremental_input_entry_reader::type_): Remove.
871         (Incremental_input_entry_reader::flags_): New data member.
872         (Incremental_inputs_reader::input_file_offset): New function.
873         (Incremental_inputs_reader::input_file_index): New function.
874         (Incremental_inputs_reader::input_file): Call input_file_offset.
875         (Incremental_inputs_reader::input_file_at_offset): New function.
876         (Incremental_relocs_reader::get_r_type): Reformat.
877         (Incremental_relocs_reader::get_r_shndx): Reformat.
878         (Incremental_relocs_reader::get_r_offset): Reformat.
879         (Incremental_relocs_reader::data): New function.
880         (Incremental_binary::Incremental_binary): Initialize new data members.
881         (Incremental_binary::check_inputs): Add cmdline parameter.
882         (Incremental_binary::file_is_unchanged): Remove.
883         (Input_reader::arg_serial): New function.
884         (Input_reader::get_unused_symbol_count): New function.
885         (Input_reader::get_unused_symbol): New function.
886         (Input_reader::do_arg_serial): New function.
887         (Input_reader::do_get_unused_symbol_count): New function.
888         (Input_reader::do_get_unused_symbol): New function.
889         (Incremental_binary::input_file_count): New function.
890         (Incremental_binary::get_input_reader): Change signature to use
891         index instead of filename.
892         (Incremental_binary::file_has_changed): New function.
893         (Incremental_binary::get_input_argument): New function.
894         (Incremental_binary::get_library): New function.
895         (Incremental_binary::get_script_info): New function.
896         (Incremental_binary::init_layout): New function.
897         (Incremental_binary::reserve_layout): New function.
898         (Incremental_binary::output_file): New function.
899         (Incremental_binary::do_check_inputs): New function.
900         (Incremental_binary::do_file_is_unchanged): Remove.
901         (Incremental_binary::do_file_has_changed): New function.
902         (Incremental_binary::do_init_layout): New function.
903         (Incremental_binary::do_reserve_layout): New function.
904         (Incremental_binary::do_input_file_count): New function.
905         (Incremental_binary::do_get_input_reader): Change signature.
906         (Incremental_binary::input_args_map_): New data member.
907         (Incremental_binary::library_map_): New data member.
908         (Incremental_binary::script_map_): New data member.
909         (Sized_incremental_binary::Sized_incremental_binary): Initialize
910         new data members.
911         (Sized_incremental_binary::output_section): New function.
912         (Sized_incremental_binary::inputs_reader): Add const.
913         (Sized_incremental_binary::symtab_reader): Add const.
914         (Sized_incremental_binary::relocs_reader): Add const.
915         (Sized_incremental_binary::got_plt_reader): Add const.
916         (Sized_incremental_binary::get_symtab_view): New function.
917         (Sized_incremental_binary::Inputs_reader): New typedef.
918         (Sized_incremental_binary::Input_entry_reader): New typedef.
919         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
920         (Sized_incremental_binary::do_file_is_unchanged): Remove.
921         (Sized_incremental_binary::do_file_has_changed): New function.
922         (Sized_incremental_binary::do_init_layout): New function.
923         (Sized_incremental_binary::do_reserve_layout): New function.
924         (Sized_input_reader::Inputs_reader): Remove.
925         (Sized_input_reader::Input_entry_reader): Remove.
926         (Sized_input_reader::do_arg_serial): New function.
927         (Sized_input_reader::do_get_unused_symbol_count): New function.
928         (Sized_input_reader::do_get_unused_symbol): New function.
929         (Sized_incremental_binary::do_input_file_count): New function.
930         (Sized_incremental_binary::do_get_input_reader): Change signature;
931         use index instead of filename.
932         (Sized_incremental_binary::section_map_): New data member.
933         (Sized_incremental_binary::input_entry_readers_): New data member.
934         (class Sized_incr_relobj): New class.
935         (class Sized_incr_dynobj): New class.
936         (make_sized_incremental_object): New function.
937         (class Incremental_library): New class.
938         * layout.cc (Free_list::num_lists): New static data member.
939         (Free_list::num_nodes): New static data member.
940         (Free_list::num_removes): New static data member.
941         (Free_list::num_remove_visits): New static data member.
942         (Free_list::num_allocates): New static data member.
943         (Free_list::num_allocate_visits): New static data member.
944         (Free_list::init): New function.
945         (Free_list::remove): New function.
946         (Free_list::allocate): New function.
947         (Free_list::dump): New function.
948         (Free_list::print_stats): New function.
949         (Layout_task_runner::run): Resize output file for incremental updates.
950         (Layout::Layout): Initialize new data members.
951         (Layout::set_incremental_base): New function.
952         (Layout::init_fixed_output_section): New function.
953         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
954         incremental updates.
955         (Layout::create_gold_note): Do not create gold note section for
956         incremental updates.
957         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
958         for incremental updates.
959         (Layout::set_section_offsets): For incremental updates, allocate space
960         from free list.
961         (Layout::create_symtab_sections): Layout with offsets relative to
962         start of section; for incremental updates, allocate space from free
963         list.
964         (Layout::create_shdrs): For incremental updates, allocate space from
965         free list.
966         (Layout::finish_dynamic_section): For incremental updates, do not
967         check --as-needed (fixed in subsequent patch).
968         * layout.h (class Free_list): New class.
969         (Layout::set_incremental_base): New function.
970         (Layout::incremental_base): New function.
971         (Layout::init_fixed_output_section): New function.
972         (Layout::allocate): New function.
973         (Layout::incremental_base_): New data member.
974         (Layout::free_list_): New data member.
975         * main.cc (main): Print Free_list statistics.
976         * object.cc (Relobj::finalize_incremental_relocs): Add
977         clear_counts parameter; clear counts only when clear_counts is set.
978         (Sized_relobj::Sized_relobj): Initialize new base class.
979         (Sized_relobj::do_layout): Don't report special sections.
980         (Sized_relobj::do_for_all_local_got_entries): New function.
981         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
982         symtab_off to all symbol table offsets.
983         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
984         * object.h (class Got_offset_list): Move to top of file.
985         (Object::Object): Allow case where input_file == NULL.
986         (Object::~Object): Likewise.
987         (Object::input_file): Assert that input_file != NULL.
988         (Object::lock): Allow case where input_file == NULL.
989         (Object::unlock): Likewise.
990         (Object::is_locked): Likewise.
991         (Object::token): Likewise.
992         (Object::release): Likewise.
993         (Object::is_incremental): New function.
994         (Object::get_mtime): New function.
995         (Object::for_all_local_got_entries): New function.
996         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
997         (Object::set_is_in_system_directory): New function.
998         (Object::is_in_system_directory): New function.
999         (Object::do_is_incremental): New function.
1000         (Object::do_get_mtime): New function.
1001         (Object::do_for_all_local_got_entries): New function.
1002         (Object::is_in_system_directory_): New data member.
1003         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1004         (class Sized_relobj_base): New class.
1005         (class Sized_relobj): Derive from Sized_relobj_base.
1006         (class Sized_relobj::Symbols): Redeclare from base class.
1007         (class Sized_relobj::local_got_offset_list): Remove.
1008         (class Sized_relobj::Output_sections): Redeclare from base class.
1009         (class Sized_relobj::do_for_all_local_got_entries): New function.
1010         (class Sized_relobj::write_local_symbols): Add offset parameter.
1011         (class Sized_relobj::local_symbol_offset_): Update comment.
1012         (class Sized_relobj::local_dynsym_offset_): Update comment.
1013         * options.cc (Input_arguments::add_file): Remove const.
1014         * options.h (Input_file_argument::Input_file_argument):
1015         Initialize arg_serial_ (all constructors).
1016         (Input_file_argument::set_arg_serial): New function.
1017         (Input_file_argument::arg_serial): New function.
1018         (Input_file_argument::arg_serial_): New data member.
1019         (Input_arguments::Input_arguments): Initialize file_count_.
1020         (Input_arguments::add_file): Remove const.
1021         (Input_arguments::number_of_input_files): New function.
1022         (Input_arguments::file_count_): New data member.
1023         (Command_line::number_of_input_files): Call
1024         Input_arguments::number_of_input_files.
1025         * output.cc (Output_segment_headers::Output_segment_headers):
1026         Set current size.
1027         (Output_section::Input_section::current_data_size): New function.
1028         (Output_section::Output_section): Initialize new data members.
1029         (Output_section::add_input_section): Don't do merge sections for
1030         an incremental link; allocate space from free list for an
1031         incremental update.
1032         (Output_section::add_output_section_data): Allocate space from
1033         free list for an incremental update.
1034         (Output_section::update_data_size): New function.
1035         (Output_section::set_fixed_layout): New function.
1036         (Output_section::reserve): New function.
1037         (Output_segment::set_section_addresses): Remove const.
1038         (Output_segment::set_section_list_addresses): Remove const; allocate
1039         space from free list for an incremental update.
1040         (Output_segment::set_offset): Adjust size of RELRO segment for an
1041         incremental update.
1042         * output.h (Output_data::current_data_size): Move here from
1043         child classes.
1044         (Output_data::pre_finalize_data_size): New function.
1045         (Output_data::update_data_size): New function.
1046         (Output_section_headers::update_data_size): new function.
1047         (Output_section_data_build::current_data_size): Move to Output_data.
1048         (Output_data_strtab::update_data_size): New function.
1049         (Output_section::current_data_size): Move to Output_data.
1050         (Output_section::set_fixed_layout): New function.
1051         (Output_section::has_fixed_layout): New function.
1052         (Output_section::reserve): New function.
1053         (Output_section::update_data_size): New function.
1054         (Output_section::has_fixed_layout_): New data member.
1055         (Output_section::free_list_): New data member.
1056         (Output_segment::set_section_addresses): Remove const.
1057         (Output_segment::set_section_list_addresses): Remove const.
1058         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1059         New function.
1060         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1061         New function.
1062         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1063         parameter when calling Add_symbols constructor; store argument
1064         serial number for members of a lib group.
1065         (Add_symbols::locks): Allow case where token == NULL.
1066         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1067         (Read_member::~Read_member): New function.
1068         (Read_member::is_runnable): New function.
1069         (Read_member::locks): New function.
1070         (Read_member::run): New function.
1071         (Check_script::~Check_script): New function.
1072         (Check_script::is_runnable): New function.
1073         (Check_script::locks): New function.
1074         (Check_script::run): New function.
1075         (Check_library::~Check_library): New function.
1076         (Check_library::is_runnable): New function.
1077         (Check_library::locks): New function.
1078         (Check_library::run): New function.
1079         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1080         (Add_symbols::library_): New data member.
1081         (class Read_member): New class.
1082         (class Check_script): New class.
1083         (class Check_library): New class.
1084         * reloc.cc (Read_relocs::is_runnable): Allow case where
1085         token == NULL.
1086         (Read_relocs::locks): Likewise.
1087         (Scan_relocs::locks): Likewise.
1088         (Relocate_task::locks): Likewise.
1089         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1090         to clear counters.
1091         (Sized_relobj::incremental_relocs_scan): Fix comment.
1092         (Sized_relobj::do_relocate): Pass output file offset to
1093         write_local_symbols.
1094         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1095         from class declaration.
1096         * script.cc (read_input_script): Allocate Script_info; pass
1097         argument serial number to report_script.
1098         * script.h (class Script_info): Move to incremental.h.
1099         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1100         * symtab.h (Symbol_table::add_from_incrobj): New function.
1101         (Symbol_table::set_file_offset): New function.
1102
1103 2011-04-05  Cary Coutant  <ccoutant@google.com>
1104
1105         * incremental-dump.cc (dump_incremental_inputs): Change signature
1106         to take a Sized_incremental_binary; change caller.  Use readers
1107         in Sized_incremental_binary.
1108         * incremental.cc
1109         (Sized_incremental_binary::find_incremental_inputs_sections):
1110         Rename do_find_incremental_inputs_sections to this.
1111         (Sized_incremental_binary::setup_readers): New function.
1112         (Sized_incremental_binary::do_check_inputs): Check
1113         has_incremental_info_ flag; move setup code to setup_readers;
1114         use input readers.
1115         (Sized_incremental_binary::do_file_is_unchanged): New function.
1116         (Sized_incremental_binary::do_get_input_reader): New function.
1117         * incremental.h (class Incremental_binary): Move to end of file.
1118         (Incremental_binary::file_is_unchanged): New function.
1119         (Incremental_binary::do_file_is_unchanged): New function.
1120         (Incremental_binary::Input_reader): New class.
1121         (Incremental_binary::get_input_reader): New function.
1122         (class Sized_incremental_binary): Move to end of file.
1123         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1124         input section reader classes.
1125         (Sized_incremental_binary::has_incremental_info): New function.
1126         (Sized_incremental_binary::inputs_reader): New function.
1127         (Sized_incremental_binary::symtab_reader): New function.
1128         (Sized_incremental_binary::relocs_reader): New function.
1129         (Sized_incremental_binary::got_plt_reader): New function.
1130         (Sized_incremental_binary::do_file_is_unchanged): New function.
1131         (Sized_incremental_binary::Sized_input_reader): New class.
1132         (Sized_incremental_binary::get_input_reader): New function.
1133         (Sized_incremental_binary::find_incremental_inputs_sections):
1134         Rename do_find_incremental_inputs_sections to this.
1135         (Sized_incremental_binary::setup_readers): New function.
1136         (Sized_incremental_binary::has_incremental_info_): New data member.
1137         (Sized_incremental_binary::inputs_reader_): New data member.
1138         (Sized_incremental_binary::symtab_reader_): New data member.
1139         (Sized_incremental_binary::relocs_reader_): New data member.
1140         (Sized_incremental_binary::got_plt_reader_): New data member.
1141         (Sized_incremental_binary::current_input_file_): New data member.
1142
1143 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1144
1145         PR gold/12640
1146         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1147         violation.
1148
1149 2011-03-30  Cary Coutant  <ccoutant@google.com>
1150
1151         * archive.cc (Archive::include_member): Adjust call to report_object.
1152         (Add_archive_symbols::run): Add script_info to call to
1153         report_archive_begin.
1154         (Lib_group::include_member): Adjust call to report_object.
1155         (Add_lib_group_symbols::run): Adjust call to report_object.
1156         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1157         blocks.  Add object count for script input files.
1158         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1159         script_info parameter; change all callers.
1160         (Incremental_inputs::report_object): Add script_info parameter;
1161         change all callers.
1162         (Incremental_inputs::report_script): Store backpointer to
1163         incremental info entry.
1164         (Output_section_incremental_inputs::set_final_data_size): Record
1165         additional information for scripts.
1166         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1167         * incremental.h (Incremental_script_entry::add_object): New function.
1168         (Incremental_script_entry::get_object_count): New function.
1169         (Incremental_script_entry::get_object): New function.
1170         (Incremental_script_entry::objects_): New data member; adjust
1171         constructor.
1172         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1173         (Incremental_inputs::report_object): Add script_info parameter.
1174         (Incremental_inputs_reader::get_object_count): New function.
1175         (Incremental_inputs_reader::get_object_offset): New function.
1176         * options.cc (Input_arguments::add_file): Return reference to
1177         new input argument.
1178         * options.h (Input_argument::set_script_info): New function.
1179         (Input_argument::script_info): New function.
1180         (Input_argument::script_info_): New data member; adjust all
1181         constructors.
1182         (Input_file_group::add_file): Return reference to new input argument.
1183         (Input_file_lib::add_file): Likewise.
1184         (Input_arguments::add_file): Likewise.
1185         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1186         * script.cc (Parser_closure::Parser_closure): Add script_info
1187         parameter; adjust all callers.
1188         (Parser_closure::script_info): New function.
1189         (Parser_closure::script_info_): New data member.
1190         (read_input_script): Report scripts earlier to incremental info.
1191         (script_add_file): Set script_info in Input_argument.
1192         (script_add_library): Likewise.
1193         * script.h (Script_options::Script_info): Rewrite class.
1194
1195 2011-03-29  Cary Coutant  <ccoutant@google.com>
1196
1197         * archive.cc (Library_base::should_include_member): Move
1198         method here from class Archive.
1199         (Archive::Archive): Initialize base class.
1200         (Archive::should_include_member): Move to base class.
1201         (Archive::do_for_all_unused_symbols): New function.
1202         (Add_archive_symbols::run): Remove redundant access to
1203         incremental_inputs.
1204         (Lib_group::Lib_group): Initialize base class.
1205         (Lib_group::do_filename): New function.
1206         (Lib_group::include_member): Pass pointer to Lib_group to
1207         report_object.
1208         (Lib_group::do_for_all_unused_symbols): New function.
1209         (Add_lib_group_symbols::run): Report archive information for
1210         incremental links.
1211         * archive.h (class Library_base): New base class.
1212         (class Archive): Derive from Library_base.
1213         (Archive::filename): Move to base class.
1214         (Archive::set_incremental_info): Likewise.
1215         (Archive::incremental_info): Likewise.
1216         (Archive::Should_include): Likewise.
1217         (Archive::should_include_member): Likewise.
1218         (Archive::Armap_entry): Remove.
1219         (Archive::Unused_symbol_iterator): Remove.
1220         (Archive::unused_symbols_begin): Remove.
1221         (Archive::unused_symbols_end): Remove.
1222         (Archive::do_filename): New function.
1223         (Archive::do_get_mtime): New function.
1224         (Archive::do_for_all_unused_symbols): New function.
1225         (Archive::task_): Move to base class.
1226         (Archive::incremental_info_): Likewise.
1227         (class Lib_group): Derive from Library_base.
1228         (Lib_group::do_filename): New function.
1229         (Lib_group::do_get_mtime): New function.
1230         (Lib_group::do_for_all_unused_symbols): New function.
1231         (Lib_group::task_): Move to base class.
1232         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1233         function.
1234         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1235         function.
1236         * incremental.cc (Incremental_inputs::report_archive_begin):
1237         Use Library_base; call library's get_mtime; add incremental inputs
1238         entry before members.
1239         (class Unused_symbol_visitor): New class.
1240         (Incremental_inputs::report_archive_end): Use Library_base; use
1241         visitor class to record unused symbols; don't add incremental inputs
1242         entry after members.
1243         (Incremental_inputs::report_object): Use Library_base.
1244         * incremental.h
1245         (Incremental_archive_entry::Incremental_archive_entry): Remove
1246         unused Archive parameter.
1247         (Incremental_inputs::report_archive_begin): Use Library_base.
1248         (Incremental_inputs::report_archive_end): Likewise.
1249         (Incremental_inputs::report_object): Likewise.
1250         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1251         function.
1252         * object.h (Object::for_all_global_symbols): New function.
1253         (Object::do_for_all_global_symbols): New function.
1254         (Sized_relobj::do_for_all_global_symbols): New function.
1255         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1256         function.
1257         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1258         function.
1259
1260 2011-03-27  Ian Lance Taylor  <iant@google.com>
1261
1262         * archive.cc (Archive::interpret_header): Return -1 if something
1263         goes wrong.  Change callers accordingly.
1264
1265 2011-03-25  Cary Coutant  <ccoutant@google.com>
1266
1267         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1268         * testsuite/Makefile.in: Regenerate.
1269
1270 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1271
1272         * plugin.cc (get_view): New.
1273         (Plugin::load): Pass get_view to the plugin.
1274         (Plugin_manager::get_view): New.
1275
1276 2011-03-21  Ian Lance Taylor  <iant@google.com>
1277
1278         * testsuite/final_layout.sh: Rewrite to not use dc.
1279         * testsuite/relro_test.sh: Fail if dc is not present.
1280
1281 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1282
1283         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1284         Change == to -eq.
1285         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1286         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1287         Change == to -eq.
1288         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1289         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1290
1291 2011-03-14  Ian Lance Taylor  <iant@google.com>
1292
1293         * script-sections.cc (Sort_output_sections::script_compare):
1294         Rename from is_before, change return type.
1295         (Sort_output_sections::operator()): Adjust accordingly.
1296
1297 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1298
1299         PR gold/12572
1300         * testsuite/odr_violation2.cc: Add comment to make all error line
1301         numbers double digits.
1302         * testsuite/debug_msg.sh: Adjust expected errors.
1303
1304 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1305
1306         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1307         but mark earlier ones as non-canonical
1308         (offset_to_iterator): Update search target and example
1309         (do_addr2line): Return extra lines in a vector*
1310         (format_file_lineno): Extract from do_addr2line
1311         (one_addr2line): Add vector* out-param
1312         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1313         when a lineno entry appeared last for its instruction
1314         (Dwarf_line_info): Add vector* out-param
1315         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1316         * symtab.cc (Odr_violation_compare): Include the lineno in the
1317         comparison again.
1318         (linenos_from_loc): New. Combine the canonical line for an
1319         address with its other lines.
1320         (True_if_intersect): New. Helper functor to make
1321         std::set_intersection a query.
1322         (detect_odr_violations): Compare sets of lines instead of just
1323         one line for each function. This became less deterministic, but
1324         has fewer false positives.
1325         * symtab.h: Declarations.
1326         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1327         mix an optimized and non-optimized object in the same binary
1328         (odr_violation2.so): Same.
1329         * testsuite/Makefile.in: Regenerate from Makefile.am.
1330         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1331         * testsuite/debug_msg.sh: Update line numbers and add
1332         assertions.
1333         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1334         non-optimized context.
1335         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1336         isn't inlined, and use OdrDerived in an optimized context.
1337         * testsuite/odr_header1.h: Defines OdrDerived, where
1338         optimization will change the
1339         first-instruction-in-the-destructor's file and line number.
1340         * testsuite/odr_header2.h: Defines OdrBase.
1341
1342 2011-03-09  Ian Lance Taylor  <iant@google.com>
1343
1344         * fileread.cc (File_read::clear_views): Don't delete the whole
1345         file view.
1346
1347 2011-03-08  Ian Lance Taylor  <iant@google.com>
1348
1349         PR gold/12525
1350         * fileread.cc: #include <climits>.
1351         (GOLD_IOV_MAX): Define.
1352         (File_read::read_multiple): Limit number of entries by iov_max.
1353         * fileread.h (class File_read): Always set max_readv_entries to
1354         128.
1355
1356 2011-03-07  Ian Lance Taylor  <iant@google.com>
1357
1358         PR gold/12525
1359         * options.h (class General_options): Add -dy and -dn.
1360
1361 2011-03-02  Cary Coutant  <ccoutant@google.com>
1362
1363         * testsuite/script_test_9.t: Add TLS segment.
1364
1365 2011-03-02  Simon Baldwin  <simonb@google.com>
1366
1367         * configure.ac: Add check for gnu_indirect_function support in
1368         the toolchain building binutils.
1369         * configure: Rebuild.
1370
1371 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1372
1373         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1374         plugin only symbols.
1375         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1376         in plugin files as not needed in the symbol table.
1377
1378 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1379
1380         * output.cc (Output_section::add_input_section): Delay fill
1381         generation for section ordering.
1382
1383 2011-02-09  Ian Lance Taylor  <iant@google.com>
1384
1385         PR gold/12316
1386         * object.h (class Sized_relobj): Remove clear_local_symbols.
1387         * reloc.cc (Sized_relobj::do_relocate): Don't call
1388         clear_local_symbols.
1389
1390 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1391
1392         * plugin.cc (is_visible_from_outside): Return true for symbols
1393         in the -u option.
1394
1395 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1396
1397         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1398         filename.
1399
1400 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1401
1402         * icf.h (is_section_foldable_candidate): Change type of parameter
1403         to std::string.
1404         * icf.cc (Icf::find_identical_sections): Change type of local variable
1405         section_name to be std::string.
1406         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1407
1408 2011-01-25  Ian Lance Taylor  <iant@google.com>
1409
1410         * script.cc (script_add_extern): Rewrite to use
1411         add_symbol_reference.
1412
1413 2011-01-25  Doug Kwan  <dougkwan@google.com>
1414
1415         * icf.cc (get_section_contents): Always lock section's object.
1416
1417 2011-01-24  Ian Lance Taylor  <iant@google.com>
1418
1419         * options.h (class General_options): Accept
1420         --no-detect-odr-violations.
1421
1422 2011-01-24  Ian Lance Taylor  <iant@google.com>
1423
1424         * version.cc (version_string): Bump to 1.11.
1425
1426 2011-01-24  Ian Lance Taylor  <iant@google.com>
1427
1428         * plugin.cc (class Plugin_rescan): Define new class.
1429         (Plugin_manager::claim_file): Set any_claimed_.
1430         (Plugin_manager::save_archive): New function.
1431         (Plugin_manager::save_input_group): New function.
1432         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1433         necessary.
1434         (Plugin_manager::new_undefined_symbol): New function.
1435         (Plugin_manager::rescan): New function.
1436         (Plugin_manager::rescannable_defines): New function.
1437         (Plugin_manager::add_input_file): Set any_added_.
1438         * plugin.h (class Plugin_manager): define new fields rescannable_,
1439         undefined_symbols_, any_claimed_, and any_added_.  Declare
1440         Plugin_rescan as friend.  Declare new functions.
1441         (Plugin_manager::Rescannable): Define type.
1442         (Plugin_manager::Rescannable_list): Define type.
1443         (Plugin_manager::Undefined_symbol_list): Define type.
1444         (Plugin_manager::Plugin_manager): Initialize new fields.
1445         * archive.cc (Archive::defines_symbol): New function.
1446         (Add_archive_symbols::run): Pass archive to plugins if any.
1447         * archive.h (class Archive): Declare defines_symbol.
1448         * readsyms.cc (Input_group::~Input_group): New function.
1449         (Finish_group::run): Pass input_group to plugins if any.
1450         * readsyms.h (class Input_group): Declare destructor.
1451         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1452         any.
1453
1454 2011-01-10  Ian Lance Taylor  <iant@google.com>
1455
1456         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1457         section as relro.
1458         (Layout::set_segment_offsets): Reset increase_relro before calling
1459         set_section_addresses a second time.
1460
1461 2011-01-04  Cary Coutant  <ccoutant@google.com>
1462
1463         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1464         sections before NOBITS sections.
1465
1466 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1467
1468         * version.cc (print_version): Update copyright to 2011.
1469
1470 2010-12-23  Cary Coutant  <ccoutant@google.com>
1471
1472         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1473         of OS to this->add.  Add OD parameter to second form of the function.
1474
1475 2010-12-20  Ian Lance Taylor  <iant@google.com>
1476
1477         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1478         second of two consecutive entries with same offset.
1479
1480 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1481
1482         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1483         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1484         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1485         to avoid unneeded links against $(LDADD).
1486         * testsuite/Makefile.in: Regenerate.
1487
1488 2010-12-15  Ian Lance Taylor  <iant@google.com>
1489
1490         PR gold/12324
1491         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1492         for R_X86_64_32 and R_X86_64_PC32.
1493         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1494         ver_matching_def_pic.o.
1495         (ver_matching_def_pic.o): New target.
1496
1497 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1498
1499         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1500         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1501         Move definition before File_read::View member definitions.
1502         (File_read::View::~View): Initialize and hold lock before
1503         updating current_mapped_bytes.
1504
1505 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1506
1507         * dwarf_reader.cc: Remove outdated comment.
1508         * gold-threads.cc: Fix typo in error message.
1509         * archive.cc: Fix typos in comments.
1510         * archive.h: Likewise.
1511         * arm-reloc-property.cc: Likewise.
1512         * arm-reloc-property.h: Likewise.
1513         * arm-reloc.def: Likewise.
1514         * arm.cc: Likewise.
1515         * attributes.h: Likewise.
1516         * cref.cc: Likewise.
1517         * ehframe.cc: Likewise.
1518         * fileread.h: Likewise.
1519         * gold.h: Likewise.
1520         * i386.cc: Likewise.
1521         * icf.cc: Likewise.
1522         * incremental.h: Likewise.
1523         * int_encoding.cc: Likewise.
1524         * layout.h: Likewise.
1525         * main.cc: Likewise.
1526         * merge.h: Likewise.
1527         * object.cc: Likewise.
1528         * object.h: Likewise.
1529         * options.cc: Likewise.
1530         * readsyms.cc: Likewise.
1531         * reduced_debug_output.cc: Likewise.
1532         * reloc.cc: Likewise.
1533         * script-sections.cc: Likewise.
1534         * sparc.cc: Likewise.
1535         * symtab.h: Likewise.
1536         * target-reloc.h: Likewise.
1537         * target.cc: Likewise.
1538         * target.h: Likewise.
1539         * timer.cc: Likewise.
1540         * timer.h: Likewise.
1541         * x86_64.cc: Likewise.
1542
1543 2010-12-09  Cary Coutant  <ccoutant@google.com>
1544
1545         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1546         stack.
1547         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1548         parameter; change all callers.
1549         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1550         * options.h (warn_execstack): New option.
1551
1552 2010-12-07  Doug Kwan  <dougkwan@google.com>
1553
1554         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1555         like function call relocations.
1556
1557 2010-12-07  Ian Lance Taylor  <iant@google.com>
1558
1559         * archive.cc (Archive::get_elf_object_for_member): Permit
1560         punconfigured to be NULL.
1561         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1562         (Archive::include_member): Pass NULL to get_elf_object_for_member
1563         if we searched for the archive and this is the first included
1564         object.
1565
1566 2010-12-01  Ian Lance Taylor  <iant@google.com>
1567
1568         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1569         track_relocs_type_ field.
1570         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1571         Set track_relocs_type_.
1572         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1573         contents when using RELA relocs.
1574         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1575         reloc_map_.
1576         * reloc.cc (Track_relocs::next_addend): New function.
1577         * reloc.h (class Track_relocs): Declare next_addend.
1578
1579 2010-12-01  Ian Lance Taylor  <iant@google.com>
1580
1581         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1582         virtual destructor.
1583
1584 2010-12-01  Ian Lance Taylor  <iant@google.com>
1585
1586         * README: Update compilers known to work and fail.
1587
1588 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1589
1590         * configure.in: For --enable-gold, handle value `default' instead of
1591         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1592         not the default.
1593         * configure: Regenerate.
1594
1595 2010-11-18  Doug Kwan  <dougkwan@google.com>
1596
1597         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1598         and right_alignment to be zero.  Store result alignment only if it is
1599         greater than existing alignment.
1600
1601 2010-11-16  Cary Coutant  <ccoutant@google.com>
1602
1603         PR gold/12220
1604         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1605         Check for ".zdebug_line".
1606
1607 2010-11-16  Doug Kwan  <dougkwan@google.com>
1608             Cary Coutant  <ccoutant@google.com>
1609
1610         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1611         by reference; adjust all callers.
1612         * output.cc (Output_segment::set_section_addresses): Adjust references
1613         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1614         list is empty.
1615         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1616         end at page boundary.
1617
1618 2010-11-16  Cary Coutant  <ccoutant@google.com>
1619
1620         PR gold/12220
1621         * layout.cc (Layout::choose_output_section): Transform names of
1622         compressed sections even when using a script with a SECTIONS clause.
1623         (Layout::output_section_name): Remove code to transform
1624         compressed debug section names.
1625         * output.cc (Output_section::add_input_section): Use uncompressed
1626         section size when tracking input sections.
1627
1628 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1629
1630         * symtab.h (Symbol::NON_PIC_REF): Remove.
1631         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1632         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1633         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1634         (Symbol::use_plt_offset): Take a flags argument and pass it
1635         directly to needs_dynamic_reloc.  Restrict check for undefined
1636         weak symbols to function calls.
1637         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1638         (Target_arm::Scan::global): Use it.
1639         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1640         (Target_arm::Relocate::relocate): Likewise.
1641         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1642         parameter with an r_type parameter.  Use get_reference_flags
1643         to get the flags.
1644         (Target_arm::Relocate::relocate): Update accordingly.
1645         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1646         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1647         (Target_i386::Scan::global): Likewise.
1648         (Target_i386::Relocate::relocate): Likewise.
1649         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1650         parameter with an r_type parameter.  Use get_reference_flags
1651         to get the flags.
1652         (Target_i386::Relocate::relocate): Update accordingly.
1653         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1654         (Target_powerpc::Scan::global): Use it.
1655         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1656         (Target_powerpc::Relocate::relocate): Likewise.
1657         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1658         (Target_sparc::Scan::global): Use it.
1659         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1660         (Target_sparc::Relocate::relocate): Likewise.
1661         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1662         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1663         (Target_x86_64::Scan::global): Likewise.
1664         (Target_x86_64::Relocate::relocate): Likewise.
1665
1666 2010-11-08  Doug Kwan  <dougkwan@google.com>
1667             Cary Coutant  <ccoutant@google.com>
1668
1669         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1670         (Arm_exidx_merge_section::section_contents_): New data member.
1671         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1672         (Arm_input_section::~Arm_input_section): De-allocate memory.
1673         (Arm_input_section::original_contents_): New data member.       
1674         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1675         in parameters instead of calling Object::section_contents without
1676         locking.
1677         (Arm_output_section::group_section): New parameter TASK.  Pass it
1678         to callees that need locking objects.
1679         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1680         to lock EXIDX input sections.  Fix a formatting issue.  Call
1681         Arm_exidx_merged_section::build_contents to create merged section
1682         contents.
1683         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1684         to lock object of stub table owner.
1685         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1686         TEXT_SIZE to initialize data member TEXT_SIZE_.
1687         (Arm_exidx_input_section::addralign): Fix typo in comment.
1688         (Arm_exidx_input_section::text_size): New method.
1689         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1690         that require locking objects.  Lock objects before scanning for stubs
1691         and updating local symbols.
1692         (Arm_input_section<big_endian>::init): Copy contents of original
1693         input section.
1694         (Arm_input_section<big_endian>::do_write): Use saved contents of
1695         original input section instead of calling Object::section_contents
1696         without locking.
1697         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1698         size without calling Object::section_size().
1699         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1700         for size.  Allocate a buffer for merged EXIDX entries.
1701         (Arm_exidx_merged_section::build_contents): New method.
1702         (Arm_exidx_merged_section::do_write): Move merge section contents
1703         building code to Arm_exidx_merged_section::build_contetns.  Write
1704         out contetns in buffer instead of building it on the fly.
1705         (Arm_relobj::make_exidx_input_section): Also pass text section size
1706         to Arm_exidx_input_section constructor.
1707         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1708         (Arm_dynobj::do_read_symbols): Fix memory leak.
1709         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1710         * target.h: (class Task): Add forward declaration.
1711         (Target::relax): Add new parameter TASK and pass it to
1712         Target::do_relax().
1713         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1714
1715 2010-11-05  Cary Coutant  <ccoutant@google.com>
1716
1717         PR gold/10708
1718         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1719         object when reading from the file.
1720         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1721         second layout pass.
1722         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1723         when reading section contents.
1724         (get_section_contents): Likewise.
1725         (icf::find_identical_sections): Likewise.
1726         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1727         object when reading from the file.
1728         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1729         the object when doing deferred section layout.
1730
1731 2010-11-03  Nick Clifton  <nickc@redhat.com>
1732
1733         PR gold/12001
1734         * script.h (class Symbol_assignment: name): New member.  Returns
1735         the name of the symbol.
1736         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1737         Returns true if the given symbol name is on the list of
1738         assignments wating to be processed.
1739         * archive.cc (should_incldue_member): If the symbol is undefined,
1740         check to see if it is on the list of symbols pending assignment.
1741
1742 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1743
1744         * script-sections.cc (Script_sections::find_memory_region): Check
1745         for a NULL output section pointer.
1746
1747 2010-10-29  Doug Kwan  <dougkwan@google.com>
1748
1749         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1750         Output_section::add_relaxed_input_section.
1751         * output.cc (Output_section::add_relaxed_input_section): Add new
1752         arguments LAYOUT and NAME.  Set section order index.
1753         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1754         Copy section order index.
1755         * output.h (Output_section::add_relaxed_input_section): Add new
1756         arguments LAYOUT and NAME.
1757
1758 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1759
1760         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1761         NATIVE_OR_CROSS_LINKER.
1762         * testsuite/Makefile.in: Regenerate.
1763
1764 2010-10-20  Doug Kwan  <dougkwan@google.com>
1765
1766         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1767         without SHF_LINK_ORDER flags.
1768         * layout.cc (Layout::choose_output_section): Do not filter
1769         SHF_LINK_ORDER flag in a relocatable link.
1770
1771 2010-10-17  Cary Coutant  <ccoutant@google.com>
1772
1773         * output.h (Output_segment::set_section_addresses): Change function
1774         signature.  Update all callers.
1775         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1776         sections.
1777         (Output_segment::set_section_addresses): Align after last TLS
1778         section.  Add padding before last relro section instead of after.
1779
1780 2010-10-17  Doug Kwan  <dougkwan@google.com>
1781
1782         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1783         GOT output section to be writable.
1784
1785 2010-10-14  Cary Coutant  <ccoutant@google.com>
1786
1787         * debug.h (DEBUG_INCREMENTAL): New flag.
1788         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1789         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1790         mode.
1791         * incremental.cc (report_command_line): Ignore all forms of
1792         --incremental.
1793         * layout.cc (Layout::Layout): Check parameters for incremental link
1794         mode.
1795         * options.cc (General_options::parse_incremental): New function.
1796         (General_options::parse_no_incremental): New function.
1797         (General_options::parse_incremental_full): New function.
1798         (General_options::parse_incremental_update): New function.
1799         (General_options::incremental_mode_): New data member.
1800         (General_options::finalize): Check incremental_mode_.
1801         * options.h (General_options): Update help text for --incremental.
1802         Add --no-incremental, --incremental-full, --incremental-update.
1803         (General_options::Incremental_mode): New enum type.
1804         (General_options::incremental_mode): New function.
1805         (General_options::incremental_mode_): New data member.
1806         * parameters.cc (Parameters::incremental_mode_): New data member.
1807         (Parameters::set_options): Set incremental_mode_.
1808         (Parameters::set_incremental_full): New function.
1809         (Parameters::incremental): New function.
1810         (Parameters::incremental_update): New function.
1811         (set_parameters_incremental_full): New function.
1812         * parameters.h (Parameters::set_incremental_full): New function.
1813         (Parameters::incremental): New function.
1814         (Parameters::incremental_update): New function.
1815         (Parameters::incremental_mode_): New data member.
1816         (set_parameters_incremental_full): New function.
1817         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1818         incremental link mode.
1819         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1820         (Sized_relobj::do_relocate_sections): Likewise.
1821         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1822         option.
1823         * testsuite/Makefile.in: Regenerate.
1824         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1825
1826 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1827
1828         * script-sections.h (class Script_sections): Make
1829         Sections_elements typedef public.
1830         * script-sections.cc (class Sort_output_sections): Add elements_
1831         field.  Add constructor which sets it; change all callers.
1832         (Sort_output_sections::is_before): New function.
1833         (Sort_output_sections::operator()): Call is_before.
1834         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1835         conditional.
1836         * testsuite/script_test_10.sh: New test. Test script section
1837         order.
1838         * testsuite/script_test_10.t: Likewise.
1839         * testsuite/script_test_10.s: Likewise.
1840         * testsuite/Makefile.am: Wrap the cross linker tests and the
1841         common tests into NATIVE_OR_CROSS_LINKER.
1842         (check_SCRIPTS): Add script_test_10.sh.
1843         (check_DATA): Add script_test_10.stdout.
1844         (script_test_10.o, script_test_10): New targets.
1845         (script_test_10.stdout): New target.
1846         * configure, testsuite/Makefile.in: Regenerate.
1847
1848 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1849
1850         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1851         error for the deprecated relocations.
1852         (Target_arm::Scan::global): Likewise.
1853         (Target_arm::Relocate::relocate): Likewise.
1854
1855 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1856
1857         * fileread.cc (Input_file::find_file): Initialize *found_name
1858         and *namep when using the fallback search for case 4.
1859
1860 2010-10-11  Cary Coutant  <ccoutant@google.com>
1861
1862         * options.h (class General_options): Redefine -z lazy as an alias for
1863         the negation of -z now.
1864
1865 2010-10-11  Ian Lance Taylor  <iant@google.com>
1866
1867         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1868         binding.
1869
1870 2010-10-06  Nick Clifton  <nickc@redhat.com>
1871
1872         * script-sections.cc(class Memory_region): Remove
1873         current_lma_offset_ field.  Rename current_vma_offset_ to
1874         current_offset_.  Add last_section_ field.
1875         (Memory_region::get_current_vma_address): Rename to
1876         get_current_address.
1877         (Memory_region::get_current_lma_address): Delete.
1878         (Memory_region::increment_vma_offset): Rename to
1879         increment_offset.
1880         (Memory_region::increment_lma_offset): Delete.
1881         (Memory_region::attributes_compatible): New method.  Returns
1882         true if the provided section is compatible with the region.
1883         (Memory_region::get_last_section): New method.  Returns the last
1884         section to use the region.
1885         (Memory_region::set_last_section): New method.  Stores the last
1886         section to use the region.
1887         (Script_sections::block_in_region): New method.  Returns true if
1888         a block of memory is contained within a region.
1889         (Script_sections::find_memory_region): New method.  Locates a
1890         memory region to be used to set a VMA or LMA address.
1891         (Output_section_definition::set_section_addresses): Add code to
1892         check for addresses set by memory regions.
1893         (Output_segment::set_section_addresses): Remove memory region
1894         walking code.
1895         (Script_sections::create_segment): Add a warning if a header
1896         segment is created outside of any region.
1897         * script-sections.h (class Script_sections): Add prototypes for
1898         find_memory_region and block_in_region methods.
1899         * testsuite/memory_test.s: Use .long instead of .word.
1900         * testsuite/memory_test.t: Add some more output sections.
1901         * testsuite/memory_test.sh: Update expected output.
1902
1903 2010-10-02  Doug Kwan  <dougkwan@google.com>
1904
1905         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1906         defintion to symtab.h
1907         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1908         declaration to defintion.
1909
1910 2010-10-01  Nick Clifton  <nickc@redhat.com>
1911
1912         * expression.cc (eval): Replace dummy argument with NULL.
1913         (eval_maybe_dot): Check for a NULL result section pointer.
1914         (Symbol_expression::value): Likewise.
1915         (Dot_expression::value): Likewise.
1916         (BINARY_EXPRESSION): Likewise.
1917         (Max_expression::value): Likewise.
1918         (Min_expression::value): Likewise.
1919         (Absolute_expression::value): Likewise.
1920         (Addr_expression::value_from_output_section): Likewise.
1921         (Loaddddr_expression::value_from_output_section): Likewise.
1922         (Segment_start_expression::value): Likewise.
1923         * script-sections.cc
1924         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1925         argument with NULL.
1926         (Sections_elememt_dot_assignment::set_section_addresses):
1927         Likewise.
1928         (Output_data_expression::do_write_to_buffer): Likewise.
1929         (Output_section_definition::finalize_symbols): Likewise.
1930         (Output_section_definition::set_section_addresses): Likewise.
1931
1932 2010-09-30  Doug Kwan  <dougkwan@google.com>
1933
1934         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1935
1936 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1937
1938         * target.h (Target::can_icf_inline_merge_sections): New virtual
1939         function.
1940         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1941         virtual function.
1942         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1943         virtual function.
1944         * icf.cc (get_section_contents): Inline merge sections only when
1945         target allows it.
1946
1947 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1948
1949         * configure: Regenerate.
1950
1951 2010-09-17  Ian Lance Taylor  <iant@google.com>
1952
1953         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1954         * testsuite/Makefile.am (memory_test.o): New target.
1955         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1956         memory_test.t.
1957         * testsuite/Makefile.in: Rebuild.
1958
1959 2010-09-17  Doug Kwan  <dougkwan@google.com>
1960
1961         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1962         defintion if relocation uses GOT entries of the symbol.
1963         * testsuite/icf_safe_test.sh: Fix test.
1964         * testsuite/icf_safe_so_test.sh: Fix test.
1965
1966 2010-09-16  Cary Coutant  <ccoutant@google.com>
1967
1968         * script_sections.cc (class Memory_region): Remove "NULL" from
1969         vector initializations.
1970
1971 2010-09-15  Cary Coutant  <ccoutant@google.com>
1972
1973         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1974         Resolve forwarding symbols.
1975
1976 2010-09-15  Doug Kwan  <dougkwan@google.com>
1977
1978         * gold/testsuite/script_test_3.t: Add ARM special sections.
1979         * gold/testsuite/script_test_4.t: Same.
1980         * gold/testsuite/script_test_5.t: Same.
1981         * gold/testsuite/script_test_6.t: Same.
1982         * gold/testsuite/script_test_7.t: Same.
1983         * gold/testsuite/script_test_7.t: Same.
1984         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1985
1986 2010-09-14  Cary Coutant  <ccoutant@google.com>
1987
1988         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1989         (Target_x86_64::Relocate::relocate_tls): Replace check for
1990         saw_tls_block_reloc_ with test for executable section.
1991
1992 2010-09-12  Cary Coutant  <ccoutant@google.com>
1993
1994         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1995         position-independent executables to shared libraries need dynamic
1996         relocations.
1997         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1998         position-independent executables.
1999         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2000         * testsuite/Makefile.in: Regenerate.
2001
2002 2010-09-10  Nick Clifton  <nickc@redhat.com>
2003
2004         PR gold/11997
2005         * testsuite/memory_test.t: Discard any sections that are not
2006         needed.
2007
2008 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2009
2010         PR gold/11996
2011         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2012         "This::" to work around a bug in gcc 4.2.
2013
2014         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2015
2016 2010-09-09  Rafael Espindola  <espindola@google.com>
2017
2018         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2019         sections with different PF_X flags in the same segment.
2020         (Layout::find_first_load_seg): Search all segments to find the first
2021         one.
2022         * options.h (rosegment): New.
2023
2024 2010-09-08  Rafael Espindola  <espindola@google.com>
2025
2026         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2027
2028 2010-09-08  Doug Kwan  <dougkwan@google.com>
2029
2030         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2031         (Arm_relobj::do_relocate_sections): Add new parameter for output
2032         file to match the parent.
2033         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2034         of local symbols instead of input values.  Update code to track
2035         changes in gold::relocate_section.
2036         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2037         (Sized_relobj::compute_final_local_value_internal): New methods.
2038         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2039         body into private version of Sized_relobj::compute_final_local_value.
2040         Call the inline method.
2041         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2042         merged symbol value if there is one.
2043         (Symbol_value::has_output_value): New method defintiion.
2044         (Sized_relobj::Compute_final_local_value_status): New enum type.
2045         (Sized_relobj::compute_final_local_value): New methods.
2046         (Sized_relobj::compute_final_local_value_internal): New methods.
2047         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2048         and arm_cortex_a8.sh.
2049         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2050         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2051         New tests.
2052         * Makefile.in: Regenerate.
2053         * testsuite/arm_bl_out_of_range.s: Update test.
2054         * testsuite/thumb_bl_out_of_range.s: Ditto.
2055         * testsuite/thumb_blx_out_of_range.s: Ditto.
2056         * testsuite/arm_branch_out_of_range.sh: New file.
2057         * testsuite/arm_cortex_a8.sh: Ditto.
2058         * testsuite/arm_cortex_a8_b.s: Ditto.
2059         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2060         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2061         * testsuite/arm_cortex_a8_bl.s: Ditto.
2062         * testsuite/arm_cortex_a8_blx.s: Ditto.
2063         * testsuite/arm_cortex_a8_local.s: Ditto.
2064         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2065         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2066
2067 2010-09-08  Rafael Espindola  <espindola@google.com>
2068
2069         * Makefile.am (memory_test.stdout): Run readelf with -W.
2070         * Makefile.in: Regenerate.
2071         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2072         64 bit output.
2073
2074 2010-09-08  Rafael Espindola  <espindola@google.com>
2075
2076         * script-sections.cc (Script_sections::add_memory_region): Convert
2077         field precision to int.
2078         * script.cc (script_set_section_region, script_set_section_region):
2079         Convert field precision to int.
2080
2081 2010-09-08  Rafael Espindola  <espindola@google.com>
2082
2083         * arm.cc (do_finalize_sections): Create the __exidx_start and
2084         __exdix_end symbols even when the section is missing.
2085
2086 2010-09-08  Nick Clifton  <nickc@redhat.com>
2087
2088         * README: Remove claim that MEMORY is not supported.
2089         * expression.cc (script_exp_function_origin)
2090         (script_exp_function_length): Move from here to ...
2091         * script.cc: ... here.
2092         (script_set_section_region, script_add_memory)
2093         (script_parse_memory_attr, script_include_directive): New
2094         functions.
2095         * script-sections.cc
2096         (class Memory_region): New class.
2097         (class Output_section_definition): Add set_memory_region,
2098         set_section_vma, set_section_lma and get_section_name methods.
2099         (class Script_Sections): Add add_memory_region,
2100         find_memory_region, find_memory_region_origin,
2101         find_memory_region_length and set_memory_region methods.
2102         Have set_section_addresses method walk the list of set memory
2103         regions.
2104         Extend the print methos to display memory regions.
2105         * script-sections.h: Add prototypes for new methods.
2106         Add enum for MEMORY region attributes.
2107         * yyscript.y: Add support for parsing MEMORY regions.
2108         * script-c.h: Add prototypes for new functions.
2109         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2110         * testsuite/Makefile.in: Regenerate.
2111         * testsuite/memory_test.sh: New script.
2112         * testsuite/memory_test.s: New assembler source file.
2113         * testsuite/memory_test.t: New linker script.
2114
2115 2010-08-27  Doug Kwan  <dougkwan@google.com>
2116
2117         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2118         reference override an existing dynamic weak reference.
2119         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2120         * testsuite/Makefile.in: Regenerate.
2121         * testsuite/dyn_weak_ref.sh: New file.
2122         * testsuite/dyn_weak_ref_1.c: Ditto.
2123         * testsuite/dyn_weak_ref_2.c: Ditto.
2124
2125 2010-08-27  Ian Lance Taylor  <iant@google.com>
2126
2127         * incremental.h (class Incremental_input_entry): Add virtual
2128         destructor.
2129
2130 2010-08-27  Ian Lance Taylor  <iant@google.com>
2131
2132         * testsuite/start_lib_test_3.c: Mark t3 as used.
2133
2134 2010-08-27  Nick Clifton  <nickc@redhat.com>
2135
2136         * options.cc (version_script): Fix small typo in previous
2137         whitespace tidyup.
2138
2139 2010-08-25  Nick Clifton  <nickc@redhat.com>
2140
2141         * archive.cc: Formatting fixes: Remove whitespace between
2142         typename and following asterisk.  Remove whitespace between
2143         function name and opening parenthesis.
2144         * archive.h: Likewise.
2145         * arm.cc: Likewise.
2146         * attributes.cc: Likewise.
2147         * attributes.h: Likewise.
2148         * common.cc: Likewise.
2149         * copy-relocs.cc: Likewise.
2150         * dirsearch.h: Likewise.
2151         * dynobj.cc: Likewise.
2152         * ehframe.cc: Likewise.
2153         * ehframe.h: Likewise.
2154         * expression.cc: Likewise.
2155         * fileread.cc: Likewise.
2156         * fileread.h: Likewise.
2157         * gc.h: Likewise.
2158         * gold-threads.cc: Likewise.
2159         * gold.cc: Likewise.
2160         * i386.cc: Likewise.
2161         * icf.h: Likewise.
2162         * incremental-dump.cc: Likewise.
2163         * incremental.cc: Likewise.
2164         * layout.cc: Likewise.
2165         * layout.h: Likewise.
2166         * main.cc: Likewise.
2167         * merge.cc: Likewise.
2168         * merge.h: Likewise.
2169         * object.cc: Likewise.
2170         * object.h: Likewise.
2171         * options.cc: Likewise.
2172         * options.h: Likewise.
2173         * output.cc: Likewise.
2174         * output.h: Likewise.
2175         * plugin.cc: Likewise.
2176         * plugin.h: Likewise.
2177         * powerpc.cc: Likewise.
2178         * reloc.cc: Likewise.
2179         * script-c.h: Likewise.
2180         * script-sections.cc: Likewise.
2181         * script.cc: Likewise.
2182         * stringpool.cc: Likewise.
2183         * symtab.cc: Likewise.
2184         * symtab.h: Likewise.
2185         * target.cc: Likewise.
2186         * timer.cc: Likewise.
2187         * timer.h: Likewise.
2188         * version.cc: Likewise.
2189         * x86_64.cc: Likewise.
2190
2191 2010-08-24  Nick Clifton  <nickc@redhat.com>
2192
2193         PR 11899
2194         * layout.cc (segment_precedes): Sort segments by their physical
2195         addresses, if they have been set.
2196
2197 2010-08-23  Cary Coutant  <ccoutant@google.com>
2198
2199         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2200         symbols data.
2201         (Lib_group::include_member): Unlock object after deleting its
2202         symbols data.
2203         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2204         the bug fixed here.
2205
2206 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2207             Cary Coutant  <ccoutant@google.com>
2208
2209         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2210         constructor, and set_blocker.
2211         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2212         readsyms_blocker_.
2213         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2214         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2215         * testsuite/Makefile.am (start_lib_test): New test case.
2216         * testsuite/Makefile.in: Regenerate.
2217         * testsuite/start_lib_test_main.c: New file.
2218         * testsuite/start_lib_test_1.c: New file.
2219         * testsuite/start_lib_test_2.c: New file.
2220         * testsuite/start_lib_test_3.c: New file.
2221
2222 2010-08-19  Ian Lance Taylor  <iant@google.com>
2223
2224         * Makefile.in: Rebuild with automake 1.11.1.
2225         * aclocal.m4: Likewise.
2226         * testsuite/Makefile.in: Likewise.
2227
2228 2010-08-19  Ian Lance Taylor  <iant@google.com>
2229
2230         PR 10893
2231         * i386.cc (class Output_data_plt_i386): Update declarations.
2232         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2233         local_ifuncs_ fields.
2234         (Target_i386::do_plt_section_for_global): New function.
2235         (Target_i386::do_plt_section_for_local): New function.
2236         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2237         parameter; change all callers.  Initialize global_ifuncs_ and
2238         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2239         __rel_iplt_end.
2240         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2241         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2242         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2243         symbols.
2244         (Target_i386::make_plt_section): New function, broken out of
2245         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2246         (Target_i386::make_plt_entry): Call make_plt_section.
2247         (Target_i386::make_local_ifunc_plt_entry): New function.
2248         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2249         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2250         R_386_IRELATIVE to switch.
2251         (Target_i386::Scan::global): Likewise.
2252         (Target_i386::Relocate::relocate): Likewise.
2253         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2254         switch.
2255         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2256         (Target_x86_64::do_plt_section_for_global): New function.
2257         (Target_x86_64::do_plt_section_for_local): New function.
2258         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2259         parameter; change all callers.  If doing a static link define
2260         __rela_iplt_start and __rela_iplt_end.
2261         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2262         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2263         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2264         to point to .plt.
2265         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2266         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2267         switch.
2268         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2269         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2270         R_X86_64_IRELATIVE to switch.
2271         (Target_x86_64::Scan::global): Likewise.
2272         (Target_x86_64::Relocate::relocate): Likewise.
2273         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2274         switch.
2275         * target.h (class Target): Add plt_section_for_global and
2276         plt_section_for_local functions.  Add do_plt_section_for_global
2277         and do_plt_section_for_local virtual functions.
2278         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2279         clarifying comments.
2280         (Symbol::use_plt_offset): Handle IFUNC symbol.
2281         * object.cc (Sized_relobj::Sized_relobj): Initialize
2282         local_plt_offsets_.
2283         (Sized_relobj::local_has_plt_offset): New function.
2284         (Sized_relobj::local_plt_offset): New function.
2285         (Sized_relobj::set_local_plt_offset): New function.
2286         (Sized_relobj::do_count): Handle IFUNC symbol.
2287         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2288         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2289         is_ifunc_symbol functions.
2290         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2291         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2292         local_plt_offsets_ field.
2293         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2294         * output.h (class Output_section_data): Add non-const
2295         output_section function.
2296         (class Output_data_got): Update declarations.
2297         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2298         Add use_plt_offset parameter to global and local constructors.
2299         Change all callers.  Change local_sym_index_ field to 31 bits.
2300         Change GSYM_CODE and CONSTANT_CODE accordingly.
2301         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2302         doing a static link don't set sh_link field.
2303         (Output_data_got::Got_entry::write): Use PLT offset if
2304         appropriate.
2305         (Output_data_got::add_global_plt): New function.
2306         (Output_data_got::add_local_plt): New function.
2307         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2308         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2309         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2310         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2311         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2312         IFUNC conditional.
2313         * testsuite/ifunc-sel.h: New file.
2314         * testsuite/ifuncmain1.c: New file.
2315         * testsuite/ifuncmain1vis.c: New file.
2316         * testsuite/ifuncmod1.c: New file.
2317         * testsuite/ifuncdep2.c: New file.
2318         * testsuite/ifuncmain2.c: New file.
2319         * testsuite/ifuncmain3.c: New file.
2320         * testsuite/ifuncmod3.c: New file.
2321         * testsuite/ifuncmain4.c: New file.
2322         * testsuite/ifuncmain5.c: New file.
2323         * testsuite/ifuncmod5.c: New file.
2324         * testsuite/ifuncmain6pie.c: New file.
2325         * testsuite/ifuncmod6.c: New file.
2326         * testsuite/ifuncmain7.c: New file.
2327         * configure, testsuite/Makefile.in: Rebuild.
2328
2329 2010-08-18  Ian Lance Taylor  <iant@google.com>
2330
2331         * incremental.cc
2332         (Output_section_incremental_inputs::write_input_files): Add cast
2333         to avoid signed/unsigned comparison warning.
2334         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2335
2336 2010-08-12  Cary Coutant  <ccoutant@google.com>
2337
2338         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2339
2340 2010-08-13  Ian Lance Taylor  <iant@google.com>
2341
2342         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2343
2344 2010-08-12  Cary Coutant  <ccoutant@google.com>
2345             Doug Kwan  <dougkwan@google.com>
2346
2347         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2348         defintion overrides non-weak undef, remember that the original undef
2349         is not weak.
2350         * symtab.cc (Symbol_table::sized_write_global): For undef without
2351         an original weak binding, set binding to global in output.
2352         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2353         * testsuite/Makefile.in: Regenerate.
2354         * testsuite/strong_ref_weak_def.sh: New file.
2355         * testsuite/strong_ref_weak_def_1.c: Ditto.
2356         * testsuite/strong_ref_weak_def_2.c: Ditto.
2357
2358 2010-08-12  Cary Coutant  <ccoutant@google.com>
2359
2360         * testsuite/incremental_test.sh: Rewrite.
2361         * testsuite/incremental_test_1.c: Rewrite.
2362         * testsuite/incremental_test_2.c: Rewrite.
2363
2364 2010-08-12  Cary Coutant  <ccoutant@google.com>
2365
2366         * arm.cc (Target_arm::got_size): Add const.
2367         (Target_arm::got_entry_count): New function.
2368         (Target_arm::plt_entry_count): New function.
2369         (Target_arm::first_plt_entry_offset): New function.
2370         (Target_arm::plt_entry_size): New function.
2371         (Output_data_plt_arm::entry_count): New function.
2372         (Output_data_plt_arm::first_plt_entry_offset): New function.
2373         (Output_data_plt_arm::get_plt_entry_size): New function.
2374         * i386.cc (Target_i386::got_size): Add const.
2375         (Target_i386::got_entry_count): New function.
2376         (Target_i386::plt_entry_count): New function.
2377         (Target_i386::first_plt_entry_offset): New function.
2378         (Target_i386::plt_entry_size): New function.
2379         (Output_data_plt_i386::entry_count): New function.
2380         (Output_data_plt_i386::first_plt_entry_offset): New function.
2381         (Output_data_plt_i386::get_plt_entry_size): New function.
2382         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2383         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2384         * incremental.cc: Include target.h.
2385         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2386         parameter.  Adjust all callers.  Find incremental_got_plt section.
2387         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2388         section.
2389         (Output_section_incremental_inputs::set_final_data_size): Calculate
2390         size of incremental_got_plt section.
2391         (Output_section_incremental_inputs::do_write): Write the
2392         incremental_got_plt section.
2393         (Got_plt_view_info): New struct.
2394         (Local_got_offset_visitor): New class.
2395         (Global_got_offset_visitor): New class.
2396         (Global_symbol_visitor_got_plt): New class.
2397         (Output_section_incremental_inputs::write_got_plt): New function.
2398         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2399         Add parameter.  Adjust all callers.
2400         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2401         (Incremental_inputs::got_plt_section): New function.
2402         (Incremental_inputs::got_plt_section_): New data member.
2403         (Incremental_got_plt_reader): New class.
2404         * layout.cc (Layout::create_incremental_info_sections): Add the
2405         incremental_got_plt section.
2406         * object.h (Got_offset_list::get_list): New function.
2407         (Got offset_list::for_all_got_offsets): New function.
2408         (Sized_relobj::local_got_offset_list): New function.
2409         * powerpc.cc (Target_powerpc::got_size): Add const.
2410         (Target_powerpc::got_entry_count): New function.
2411         (Target_powerpc::plt_entry_count): New function.
2412         (Target_powerpc::first_plt_entry_offset): New function.
2413         (Target_powerpc::plt_entry_size): New function.
2414         (Output_data_plt_powerpc::entry_count): New function.
2415         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2416         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2417         * sparc.cc (Target_sparc::got_size): Add const.
2418         (Target_sparc::got_entry_count): New function.
2419         (Target_sparc::plt_entry_count): New function.
2420         (Target_sparc::first_plt_entry_offset): New function.
2421         (Target_sparc::plt_entry_size): New function.
2422         (Output_data_plt_sparc::entry_count): New function.
2423         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2424         (Output_data_plt_sparc::get_plt_entry_size): New function.
2425         * symtab.h (Symbol::got_offset_list): New function.
2426         (Symbol_table::for_all_symbols): New function.
2427         * target.h (Sized_target::got_entry_count): New function.
2428         (Sized_target::plt_entry_count): New function.
2429         (Sized_target::plt_entry_size): New function.
2430         * x86_64.cc (Target_x86_64::got_size): Add const.
2431         (Target_x86_64::got_entry_count): New function.
2432         (Target_x86_64::plt_entry_count): New function.
2433         (Target_x86_64::first_plt_entry_offset): New function.
2434         (Target_x86_64::plt_entry_size): New function.
2435         (Output_data_plt_x86_64::entry_count): New function.
2436         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2437         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2438
2439 2010-08-12  Cary Coutant  <ccoutant@google.com>
2440
2441         * archive.cc: Include incremental.h.
2442         (Archive::Archive): Initialize incremental_info_.
2443         (Archive::include_member): Record archive members in incremental info.
2444         (Add_archive_symbols::run): Record begin and end of an archive in
2445         incremental info.
2446         (Lib_group::include_member): Record objects in incremental info.
2447         * archive.h (Incremental_archive_entry): Forward declaration.
2448         (Archive::set_incremental_info): New member function.
2449         (Archive::incremental_info): New member function.
2450         (Archive::Unused_symbol_iterator): New class.
2451         (Archive::unused_symbols_begin): New member function.
2452         (Archive::unused_symbols_end): New member function.
2453         (Archive::incremental_info_): New data member.
2454         * incremental-dump.cc (find_input_containing_global): New function.
2455         (dump_incremental_inputs): Dump new incremental info sections.
2456         * incremental.cc: Include symtab.h.
2457         (Output_section_incremental_inputs): New class.
2458         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2459         new incremental info sections.
2460         (Sized_incremental_binary::do_check_inputs): Likewise.
2461         (Incremental_inputs::report_archive): Remove.
2462         (Incremental_inputs::report_archive_begin): New function.
2463         (Incremental_inputs::report_archive_end): New function.
2464         (Incremental_inputs::report_object): New function.
2465         (Incremental_inputs::finalize_inputs): Remove.
2466         (Incremental_inputs::report_input_section): New function.
2467         (Incremental_inputs::report_script): Rewrite.
2468         (Incremental_inputs::finalize): Do nothing but finalize string table.
2469         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2470         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2471         (Incremental_inputs::create_data_sections): New function.
2472         (Incremental_inputs::relocs_entsize): New function.
2473         (Output_section_incremental_inputs::set_final_data_size): New function.
2474         (Output_section_incremental_inputs::do_write): New function.
2475         (Output_section_incremental_inputs::write_header): New function.
2476         (Output_section_incremental_inputs::write_input_files): New function.
2477         (Output_section_incremental_inputs::write_info_blocks): New function.
2478         (Output_section_incremental_inputs::write_symtab): New function.
2479         * incremental.h (Incremental_script_entry): Forward declaration.
2480         (Incremental_object_entry): Forward declaration.
2481         (Incremental_archive_entry): Forward declaration.
2482         (Incremental_inputs): Forward declaration.
2483         (Incremental_inputs_header_data): Remove.
2484         (Incremental_inputs_header): Remove.
2485         (Incremental_inputs_header_write): Remove.
2486         (Incremental_inputs_entry_data): Remove.
2487         (Incremental_inputs_entry): Remove.
2488         (Incremental_inputs_entry_write): Remove.
2489         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2490         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2491         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2492         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2493         Likewise.
2494         (Incremental_input_entry): New class.
2495         (Incremental_script_entry): New class.
2496         (Incremental_object_entry): New class.
2497         (Incremental_archive_entry): New class.
2498         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2499         (Incremental_inputs::report_inputs): Remove.
2500         (Incremental_inputs::report_archive): Remove.
2501         (Incremental_inputs::report_archive_begin): New function.
2502         (Incremental_inputs::report_archive_end): New function.
2503         (Incremental_inputs::report_object): Change prototype.
2504         (Incremental_inputs::report_input_section): New function.
2505         (Incremental_inputs::report_script): Change prototype.
2506         (Incremental_inputs::get_reloc_count): New function.
2507         (Incremental_inputs::set_reloc_count): New function.
2508         (Incremental_inputs::create_data_sections): New function.
2509         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2510         (Incremental_inputs::inputs_section): New function.
2511         (Incremental_inputs::symtab_section): New function.
2512         (Incremental_inputs::relocs_section): New function.
2513         (Incremental_inputs::get_stringpool): Add const.
2514         (Incremental_inputs::command_line): Add const.
2515         (Incremental_inputs::inputs): Remove.
2516         (Incremental_inputs::command_line_key): New function.
2517         (Incremental_inputs::input_file_count): New function.
2518         (Incremental_inputs::input_files): New function.
2519         (Incremental_inputs::relocs_entsize): New function.
2520         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2521         (Incremental_inputs::finalize_inputs): Remove.
2522         (Incremental_inputs::Input_info): Remove.
2523         (Incremental_inputs::lock_): Remove.
2524         (Incremental_inputs::inputs_): Change type.
2525         (Incremental_inputs::inputs_map_): Remove.
2526         (Incremental_inputs::current_object_entry_): New data member.
2527         (Incremental_inputs::inputs_section_): New data member.
2528         (Incremental_inputs::symtab_section_): New data member.
2529         (Incremental_inputs::relocs_section_): New data member.
2530         (Incremental_inputs::reloc_count_): New data member.
2531         (Incremental_inputs_reader): New class.
2532         (Incremental_symtab_reader): New class.
2533         (Incremental_relocs_reader): New class.
2534         * layout.cc (Layout::finalize): Move finalization of incremental info
2535         and creation of incremental info sections to follow finalization of
2536         symbol table.  Set offsets for postprocessing sections.
2537         (Layout::create_incremental_info_sections): Call
2538         Incremental_inputs::create_data_sections.  Add incremental symtab
2539         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2540         sections to layout after input sections.
2541         * layout.h (struct Timespec): Forward declaration.
2542         (Layout::incremental_inputs): Add const.
2543         (Layout::create_incremental_info_sections): Add parameter.
2544         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2545         * object.cc: Include incremental.h.
2546         (Relobj::finalize_incremental_relocs): New function.
2547         (Sized_relobj::do_layout): Record input sections in incremental info.
2548         * object.h (Object::output_section): New function.
2549         (Object::output_section_offset): Moved from Relobj.
2550         (Object::get_incremental_reloc_base): New function.
2551         (Object::get_incremental_reloc_count): New function.
2552         (Object::do_output_section): New function.
2553         (Object::do_output_section_offset): Moved from Relobj.
2554         (Object::do_get_incremental_reloc_base): New function.
2555         (Object::do_get_incremental_reloc_count): New function.
2556         (Object::Object): Initialize new data members.
2557         (Relobj::output_section): Renamed do_output_section and moved to
2558         protected.
2559         (Relobj::output_section_offset): Moved to Object.
2560         (Relobj::do_get_incremental_reloc_base): New function.
2561         (Relobj::do_get_incremental_reloc_count): New function.
2562         (Relobj::allocate_incremental_reloc_counts): New function.
2563         (Relobj::count_incremental_reloc): New function.
2564         (Relobj::finalize_incremental_relocs): New function.
2565         (Relobj::next_incremental_reloc_index): New function.
2566         (Relobj::reloc_counts_): New data member.
2567         (Relobj::reloc_bases_): New data member.
2568         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2569         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2570         (Sized_relobj::incremental_relocs_scan): New function.
2571         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2572         (Sized_relobj::incremental_relocs_write): New function.
2573         (Sized_relobj::incremental_relocs_write_reltype): New function.
2574         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2575         incremental link.
2576         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2577         archives and object files elsewhere.
2578         (Add_symbols::run): Report object files here.
2579         (Finish_group::run): Report end of archive at end of group.
2580         * reloc.cc: Include layout.h, incremental.h.
2581         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2582         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2583         (Sized_relobj::incremental_relocs_scan): New function.
2584         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2585         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2586         (Sized_relobj::incremental_relocs_write): New function.
2587         (Sized_relobj::incremental_relocs_write_reltype): New function.
2588         * script.cc (read_input_script): Rewrite test for incremental link.
2589         Change call to Incremental_inputs::report_script.
2590         * symtab.h (Symbol_table::first_global_index): New function.
2591         (Symbol_table::output_count): New function.
2592
2593 2010-08-12  Doug Kwan  <dougkwan@google.com>
2594
2595         * arm.cc (Target_arm::merge_object_attributes): Check command line
2596         options --no-wchar-size-warning and --no-enum-size-warning.
2597         * options.h (General_options): Add ld-compatible options
2598         --no-enum-size-warning and --no-wchar-size-warning.
2599
2600 2010-08-04  Ian Lance Taylor  <iant@google.com>
2601
2602         * x86_64.cc (Target_x86_64::Scan::local): Use
2603         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2604         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2605         (Target_x86_64::Scan::global): Likewise.
2606         (Target_x86_64::Relocate::relocate): Likewise.
2607         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2608         Likewise.
2609
2610 2010-08-03  Cary Coutant  <ccoutant@google.com>
2611
2612         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2613         to reserve space in merged_strings vector. Keep total input size
2614         for stats.
2615         (Output_merge_string::do_print_merge_stats): Print total input size.
2616         * merge.h (Output_merge_string): Add input_size_ field.
2617         * stringpool.cc (Stringpool_template::string_length): Move
2618         implementations out of Stringpool_template class and place in
2619         stringpool.h.
2620         * stringpool.h (string_length): Move out of Stringpool_template.
2621
2622 2010-08-03  Ian Lance Taylor  <iant@google.com>
2623
2624         PR 11712
2625         * layout.cc (relaxation_loop_body): If address of load segment is
2626         set, adjust address to include headers if possible.
2627
2628 2010-08-03  Ian Lance Taylor  <iant@google.com>
2629
2630         * version.cc (version_string): Bump to 1.10.
2631
2632 2010-08-03  Ian Lance Taylor  <iant@google.com>
2633
2634         PR 11805
2635         * layout.h (enum Output_section_order): Define.
2636         (class Layout): Update declarations.
2637         * layout.cc (Layout::get_output_section): Add order parameter.
2638         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2639         is_first_non_relro parameters.  Change all callers.
2640         (Layout::choose_output_section): Likewise.
2641         (Layout::add_output_section_data): Likewise.
2642         (Layout::make_output_section): Likewise.  Set order.
2643         (Layout::default_section_order): New function.
2644         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2645         * output.cc (Output_section::Output_section): Initialize order_.
2646         Don't initialize deleted fields.
2647         (Output_segment::Output_segment): Don't initialize deleted
2648         fields.
2649         (Output_segment::add_output_section_to_load): New function
2650         replacing add_output_section.  Change all callers to call this or
2651         add_output_section_to_nonload.
2652         (Output_segment::add_output_section_to_nonload): New function.
2653         (Output_segment::remove_output_section): Rewrite.
2654         (Output_segment::add_initial_output_data): Likewise.
2655         (Output_segment::has_any_data_sections): Likewise.
2656         (Output_segment::is_first_section_relro): Likewise.
2657         (Output_segment::maximum_alignment): Likewise.
2658         (Output_segment::has_dynamic_reloc): New function replacing
2659         dynamic_reloc_count.  Change all callers.
2660         (Output_segment::has_dynamic_reloc_list): New function replacing
2661         dynamic_reloc_count_list.  Change all callers.
2662         (Output_segment::set_section_addresses): Rewrite.
2663         (Output_segment::set_offset): Rewrite.
2664         (Output_segment::find_first_and_last_list): Remove.
2665         (Output_segment::set_tls_offsets): Rewrite.
2666         (Output_segment::first_section_load_address): Likewise.
2667         (Output_segment::output_section_count): Likewise.
2668         (Output_segment::section_with_lowest_load_address): Likewise.
2669         (Output_segment::write_section_headers): Likewise.
2670         (Output_segment::print_sections_to_map): Likewise.
2671         * output.h (class Output_data): Remove dynamic_reloc_count_
2672         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2673         (Output_data::add_dynamic_reloc): Rewrite.
2674         (Output_data::has_dynamic_reloc): New function.
2675         (Output_data::dynamic_reloc_count): Remove.
2676         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2677         is_last_relro_, is_first_non_relro_, is_interp_,
2678         is_dynamic_linker_section_ fields.  Add order and set_order
2679         functions.  Remove is_relro_local, set_is_relro_local,
2680         is_last_relro, set_is_last_relro, is_first_non_relro,
2681         set_is_first_non_relro functions, is_interp, set_is_interp,
2682         is_dynamic_linker_section, and set_is_dynamic_linker_section
2683         functions.
2684         (class Output_segment): Change Output_data_list from std::list to
2685         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2686         output_bss_ fields.  Update declarations.
2687
2688 2010-08-02  Ian Lance Taylor  <iant@google.com>
2689
2690         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2691         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2692         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2693
2694 2010-08-02  Ian Lance Taylor  <iant@google.com>
2695
2696         PR 11855
2697         * script.cc (Script_options::Script_options): Initialize
2698         symbol_definitions_ and symbol_references_.
2699         (Script_options::add_symbol_assignment): Update
2700         symbol_definitions_ and symbol_references_.
2701         (Script_options::add_symbol_reference): New function.
2702         (script_symbol): New function.
2703         * script.h (class Script_options): Add symbol_definitions_ and
2704         symbol_references_ fields.
2705         (Script_options::referenced_const_iterator): New type.
2706         (Script_options::referenced_begin): New function.
2707         (Script_options::referenced_end): New function.
2708         (Script_options::is_referenced): New function.
2709         (Script_options::any_unreferenced): New function.
2710         * script-c.h (script_symbol): Declare.
2711         * yyscript.y (exp): Call script_symbol.
2712         * symtab.cc: Include "script.h".
2713         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2714         Change all callers.  Check symbols referenced by scripts.
2715         (Symbol_table::add_undefined_symbols_from_command_line): Add
2716         layout parameter.  Change all callers.
2717         (Symbol_table::do_add_undefined_symbols_from_command_line):
2718         Likewise.  Break out loop body.  Check symbols referenced by
2719         scripts.
2720         (Symbol_table::add_undefined_symbol_from_command_line): New
2721         function broken out of
2722         do_add_undefined_symbols_from_command_line.
2723         * symtab.h (class Symbol_table): Update declarations.
2724         * archive.cc: Include "layout.h".
2725         (Archive::should_include_member): Add layout parameter.  Change
2726         all callers.  Check for symbol mentioned in expression.
2727         * archive.h (class Archive): Update declaration.
2728         * object.cc (Sized_relobj::do_should_include_member): Add layout
2729         parameter.
2730         * object.h (Object::should_include_member): Add layout parameter.
2731         Change all callers.
2732         (Object::do_should_include_member): Add layout parameter.
2733         (class Sized_relobj): Update declaration.
2734         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2735         parameter.
2736         * dynobj.h (class Sized_dynobj): Update declaration.
2737         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2738         layout parameter.
2739         * plugin.h (class Sized_pluginobj): Update declaration.
2740
2741 2010-08-02  Ian Lance Taylor  <iant@google.com>
2742
2743         PR 11866
2744         * output.cc (Output_segment::set_offset): Search for the first and
2745         last sections rather than assuming that the list is in order.
2746         (Output_segment::find_first_and_last_list): New function.
2747         * output.h (class Output_segment): Update declarations.
2748         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2749         (relro_strip_test_SOURCES): New variable.
2750         (relro_strip_test_DEPENDENCIES): New variable.
2751         (relro_strip_test_LDFLAGS): New variable.
2752         (relro_strip_test_LDADD): New variable.
2753         (relro_strip_test.so): New target.
2754
2755 2010-08-02  Ian Lance Taylor  <iant@google.com>
2756
2757         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2758         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2759         (Target_i386::got_tlsdesc_section): New function.
2760         (Target_i386::got_section): Create space for GOT entries for
2761         TLSDESC relocations.
2762         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2763         R_386_TLS_GOTDESC.
2764         (Target_i386::Scan::global): Likewise.
2765         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2766         using TLSDESC GOT.
2767         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2768         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2769         (Target_x86_64::got_tlsdesc_section): New function.
2770         (Target_x86_64::got_section): Create space for GOT entries for
2771         TLSDESC relocations.
2772         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2773         R_386_TLS_GOTDESC.
2774         (Target_x86_64::Scan::global): Likewise.
2775         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2776         using TLSDESC GOT.
2777
2778 2010-08-02  Ian Lance Taylor  <iant@google.com>
2779
2780         * testsuite/final_layout.sh: Use dc to convert from hex to
2781         decimal.
2782
2783 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2784
2785         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2786         paramter to the call to gold::gc_process_relocs.
2787         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2788         paramter to the call to gold::gc_process_relocs.
2789         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2790         parameter to the call to gold::gc_process_relocs.
2791         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2792         template parameter to the call to gold::gc_process_relocs.
2793         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2794         paramter to the call to gold::gc_process_relocs.
2795         * gc.h (get_embedded_addend_size): New function.
2796         (gc_process_relocs): Save the size of the reloc for use by ICF.
2797         * icf.cc (get_section_contents): Get the addend from the text section
2798         for SHT_REL relocation sections.
2799         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2800         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2801         * int_encoding.h (read_from_pointer): New overloaded function.
2802         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2803         * testsuite/icf_sht_rel_addend_test.sh: New file.
2804         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2805         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2806
2807 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2808
2809         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2810         * Makefile.in: Regenerate.
2811         * testsuite/Makefile.in: Regenerate.
2812
2813 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2814
2815         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2816         * gold/testsuite/debug_msg.cc: Likewise.
2817         * gold/testsuite/odr_violation1.cc
2818         * gold/testsuite/odr_violation2.cc
2819
2820 2010-07-21  Cary Coutant  <ccoutant@google.com>
2821
2822         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2823         string, and length fields.
2824         (Output_merge_string::Merged_strings_list): New type.
2825         (Output_merge_string::Merged_strings_lists): New typedef.
2826         (Output_merge_string): Replace merged_strings_ with
2827         merged_strings_lists_.
2828         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2829         Merged_strings_list per input object and section.  Don't store pointer
2830         to the string.  Don't store length with each merged string entry.
2831         (Output_merge_string::finalize_merged_data): Loop over list of merged
2832         strings lists.  Recompute length of each merged string.
2833
2834 2010-07-15  Cary Coutant  <ccoutant@google.com>
2835
2836         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2837         here.
2838
2839 2010-07-14  Ian Lance Taylor  <iant@google.com>
2840
2841         * descriptors.cc (Descriptors::open): Report correct name in error
2842         message.
2843
2844 2010-07-13  Doug Kwan  <dougkwan@google.com>
2845
2846         * arm.cc (Arm_input_section::Arm_input_section): For a
2847         SHT_ARM_EXIDX section, always keeps the input sections.
2848         (Arm_input_section::set_exidx_section_link): New method.
2849         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2850         has_errors_ to false.
2851         (Arm_exidx_input_section::has_errors,
2852         Arm_exidx_input_section::set_has_errors): New methods.
2853         (Arm_exidx_input_section::has_errors_): New data member.
2854         (Arm_relobj::get_exidx_shndx_list): New method.
2855         (Arm_output_section::append_text_sections_to_list): Do not skip
2856         section without SHF_EXECINSTR.
2857         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2858         errors.
2859         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2860         section header.  Make error messages more verbose.  Check for
2861         a non-executable section linked to an EXIDX section.
2862         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2863         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2864         check that there is no deferred EXIDX section if we exit early.
2865         Instead of not making an EXIDX section in case of an error, make one
2866         and set the has_errors flag of it.
2867         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2868         in a relocatable link.
2869         (Target_arm::do_relax): Look for the EXIDX output section instead of
2870         assuming that it is called .ARM.exidx.
2871         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2872         section list.  Do not check for SHF_EXECINSTR section flags but
2873         skip any input section with errors.
2874         * output.cc (Output_section::Output_section): Initialize
2875         always_keeps_input_sections_ to false.
2876         (Output_section::add_input_section): Check for
2877         always_keeps_input_sections_.
2878         *  output.h (Output_section::always_keeps_input_sections,
2879         Output_section::set_always_keeps_input_sections): New methods.
2880         (Output_section::always_keeps_input_sections): New data member.
2881
2882 2010-07-13  Rafael Espindola  <espindola@google.com>
2883
2884         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2885         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2886
2887 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2888             Ian Lance Taylor  <iant@google.com>
2889
2890         * output.h (Output_section_lookup_maps::add_merge_section):
2891         Correct check of whether value was inserted.
2892         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2893         (Output_section_lookup_maps::add_relaxed_input_section):
2894         Likewise.
2895         * arm.cc (Target_arm::got_section): Remove used local os.
2896         * i386.cc (Target_i386::got_section): Likewise.
2897         * x86_64.cc (Target_x86_64::got_section): Likewise.
2898         * sparc.cc (Target_sparc::got_section): Likewise.
2899         (Target_sparc::relocate): Remove unused local have_got_offset.
2900         * powerpc.cc (Target_powerpc::relocate): Likewise.
2901
2902 2010-07-13  Ian Lance Taylor  <iant@google.com>
2903
2904         * compressed_output.cc (zlib_decompress): Fix signature in
2905         !HAVE_ZLIB_H case.
2906
2907         * archive.cc (Archive::include_member): Unlock an external member
2908         of a thin archive.  Don't bother to delete an object we know is
2909         NULL.
2910
2911 2010-07-12  Cary Coutant  <ccoutant@google.com>
2912
2913         * compressed_output.cc (zlib_decompress): New function.
2914         (get_uncompressed_size): New function.
2915         (decompress_input_section): New function.
2916         * compressed_output.h (get_uncompressed_size): New function.
2917         (decompress_input_section): New function.
2918         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2919         Handle compressed debug sections.
2920         * layout.cc (is_compressed_debug_section): New function.
2921         (Layout::output_section_name): Map compressed section names to
2922         canonical names.
2923         * layout.h (is_compressed_debug_section): New function.
2924         (is_debug_info_section): Recognize compressed debug sections.
2925         * merge.cc: Include compressed_output.h.
2926         (Output_merge_data::do_add_input_section): Handle compressed
2927         debug sections.
2928         (Output_merge_string::do_add_input_section): Handle compressed
2929         debug sections.
2930         * object.cc: Include compressed_output.h.
2931         (Sized_relobj::Sized_relobj): Initialize new data members.
2932         (build_compressed_section_map): New function.
2933         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2934         * object.h (Object::section_is_compressed): New method.
2935         (Object::do_section_is_compressed): New method.
2936         (Sized_relobj::Compressed_section_map): New type.
2937         (Sized_relobj::do_section_is_compressed): New method.
2938         (Sized_relobj::compressed_sections_): New data member.
2939         * output.cc (Output_section::add_input_section): Handle compressed
2940         debug sections.
2941         * reloc.cc: Include compressed_output.h.
2942         (Sized_relobj::write_sections): Handle compressed debug sections.
2943
2944 2010-07-08  Cary Coutant  <ccoutant@google.com>
2945
2946         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2947         weak when resolving to a dynamic def.
2948         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2949         for weak undef/dynamic def cases. Adjust callers.
2950         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2951         undef_binding_weak_.
2952         (Symbol_table::sized_write_globals): Adjust symbol binding.
2953         (Symbol_table::sized_write_symbol): Add binding parameter.
2954         * symtab.h (Symbol::set_undef_binding): New method.
2955         (Symbol::is_undef_binding_weak): New method.
2956         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2957         (Symbol_table::should_override): Add new parameter.
2958         (Symbol_table::sized_write_symbol): Add new parameter.
2959
2960         * testsuite/weak_undef_file1.cc: Add new test case.
2961         * testsuite/weak_undef_file2.cc: Fix header comment.
2962         * testsuite/weak_undef_test.cc: Add new test case.
2963
2964 2010-06-29  Doug Kwan  <dougkwan@google.com>
2965
2966         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2967         Initialize USE_SYMBOL_.
2968         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2969         definition.
2970         (Arm_reloc_property::uses_symbol_): New data member declaration.
2971         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2972         uses symbol value and symbol is undefined but not weakly undefined.
2973
2974 2010-06-28  Rafael Espindola  <espindola@google.com>
2975
2976         * plugin.cc (Plugin::load): Use dlerror.
2977
2978 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2979
2980         * symtab.cc (detect_odr_violations): When reporting an ODR
2981         violation, report an object where the symbol is defined.
2982
2983 2010-06-25  Doug Kwan  <dougkwan@google.com>
2984
2985         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2986         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2987         definition.
2988         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2989         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2990         target hook to detect function points.
2991         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2992         * icf.h (Icf::check_section_for_function_pointers): Change type of
2993         parameter SECTION_NAME to const reference to std::string.  Use
2994         target hook to determine if section may have unsafe pointers.
2995         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2996         method definition.
2997
2998 2010-06-21  Rafael Espindola  <espindola@google.com>
2999
3000         * fileread.cc (Input_file::find_fie): New
3001         (Input_file::open): Use Input_file::find_fie.
3002         * fileread.h (Input_file::find_fie): New
3003         * plugin.cc (set_extra_library_path): New.
3004         (Plugin::load): Add set_extra_library_path to the transfer vector.
3005         (Plugin_manager::set_extra_library_path): New.
3006         (Plugin_manager::add_input_file): Use the extra search path if set.
3007         (set_extra_library_path(): New.
3008         * plugin.h (Plugin_manager): Add set_extra_library_path and
3009         extra_search_path_.
3010
3011 2010-06-19  Cary Coutant  <ccoutant@google.com>
3012
3013         * layout.cc (gdb_sections): Add .debug_types.
3014         (lines_only_debug_sections): Likewise.
3015
3016 2010-06-18  Rafael Espindola  <espindola@google.com>
3017
3018         * plugin.cc (add_input_file,add_input_library)
3019         (Plugin_manager::add_input_file): Make filename arguments const.
3020         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3021         const.
3022
3023 2010-06-16  Doug Kwan  <dougkwan@google.com>
3024
3025         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3026         .ARM.attributes section if we have not merged any input
3027         attributes sections.
3028
3029 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3030
3031         * arm.cc: Allow combining objects with no EABI version
3032         information.
3033
3034 2010-06-15  Rafael Espindola  <espindola@google.com>
3035
3036         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3037
3038 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3039
3040         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3041         (struct iovec): Correct !HAVE_READV definition.
3042
3043 2010-06-10  Cary Coutant  <ccoutant@google.com>
3044
3045         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3046         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3047         reloc sections.
3048         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3049
3050         PR 11683
3051         * symtab.h (Symbol::is_placeholder): New member function.
3052         * target-reloc.h (relocate_section): Check for placeholder symbols.
3053
3054         * testsuite/Makefile.am (plugin_test_8): New test.
3055         (plugin_test_9): New test.
3056         * testsuite/Makefile.in: Regenerate.
3057
3058 2010-06-09  Nick Clifton  <nickc@redhat.com>
3059
3060         * yyscript.y (input_list_element): Allow strings prefixed with
3061         the '-' character.  Treat these as libraries.
3062         * script.cc (script_add_library): New function.  Adds a library
3063         specified by "-l<name>" found in an input script.
3064         * script-c.h: Add prototype for script_add_library.
3065
3066 2010-06-07  Doug Kwan  <dougkwan@google.com>
3067
3068         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3069         Restrict stub-group size to be within long conditional branch
3070         range when working around cortex-A8 erratum.
3071
3072 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3073
3074         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3075         #ifdef typo.
3076
3077 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3078
3079         PR gold/11658
3080         * output.cc
3081         (Output_section::Input_section_sort_entry::compare_section_ordering):
3082         Change to return non-zero correctly.
3083         (Output_section::Input_section_sort_section_order_index_compare
3084         ::operator()): Change to fix ambiguity in comparisons.
3085
3086 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3087
3088         * gold.h (is_wildcard_string): New function.
3089         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3090         (Layout::layout_eh_frame): Ditto.
3091         (Layout::find_section_order_index): New method.
3092         (Layout::read_layout_from_file): New method.
3093         * layout.h (Layout::find_section_order_index): New method.
3094         (Layout::read_layout_from_file): New method.
3095         (Layout::input_section_position_): New private member.
3096         (Layout::input_section_glob_): New private member.
3097         * main.cc (main): Call read_layout_from_file here.
3098         * options.h (--section-ordering-file): New option.
3099         * output.cc (Output_section::input_section_order_specified_): New
3100         member.
3101         (Output_section::Output_section): Initialize new member.
3102         (Output_section::add_input_section): Add new parameter.
3103         Keep input sections when --section-ordering-file is used.
3104         (Output_section::set_final_data_size): Sort input sections when
3105         section ordering file is specified.
3106         (Output_section::Input_section_sort_entry): Add new parameter.
3107         Check sorting type.
3108         (Output_section::Input_section_sort_entry::compare_section_ordering):
3109         New method.
3110         (Output_section::Input_section_sort_compare::operator()): Change to
3111         consider section_order_index.
3112         (Output_section::Input_section_sort_init_fini_compare::operator()):
3113         Change to consider section_order_index.
3114         (Output_section::Input_section_sort_section_order_index_compare
3115         ::operator()): New method.
3116         (Output_section::sort_attached_input_sections): Change to sort
3117         according to section order when specified.
3118         (Output_section::add_input_section<32, true>): Add new parameter.
3119         (Output_section::add_input_section<64, true>): Add new parameter.
3120         (Output_section::add_input_section<32, false>): Add new parameter.
3121         (Output_section::add_input_section<64, false>): Add new parameter.
3122         * output.h (Output_section::add_input_section): Add new parameter.
3123         (Output_section::input_section_order_specified): New
3124         method.
3125         (Output_section::set_input_section_order_specified): New method.
3126         (Input_section::Input_section): Initialize section_order_index_.
3127         (Input_section::section_order_index): New method.
3128         (Input_section::set_section_order_index): New method.
3129         (Input_section::section_order_index_): New member.
3130         (Input_section::Input_section_sort_section_order_index_compare): New
3131         struct.
3132         (Output_section::input_section_order_specified_): New member.
3133         * script-sections.cc (is_wildcard_string): Delete and move modified
3134         method to gold.h.
3135         (Output_section_element_input::Output_section_element_input): Modify
3136         call to is_wildcard_string.
3137         (Output_section_element_input::Input_section_pattern
3138         ::Input_section_pattern): Ditto.
3139         (Output_section_element_input::Output_section_element_input): Ditto.
3140         * testsuite/Makefile.am (final_layout): New test case.
3141         * testsuite/Makefile.in: Regenerate.
3142         * testsuite/final_layout.cc: New file.
3143         * testsuite/final_layout.sh: New file.
3144
3145 2010-06-01  Rafael Espindola  <espindola@google.com>
3146
3147         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3148
3149 2010-06-01  Rafael Espindola  <espindola@google.com>
3150
3151         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3152         visibility of symbols.
3153
3154 2010-05-27  Doug Kwan  <dougkwan@google.com>
3155
3156         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3157         from start of output section instead of address for a local symbol
3158         in a merged or relaxed section when doing a relocatable link.
3159
3160 2010-05-26  Rafael Espindola  <espindola@google.com>
3161
3162        PR 11604
3163         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3164         adding sections the garbage collector removed.
3165         * gold/testsuite/Makefile.am: Add test.
3166         * gold/testsuite/Makefile.in: Regenerate.
3167         * gold/testsuite/plugin_test_7.sh: New.
3168         * gold/testsuite/plugin_test_7_1.c: New.
3169         * gold/testsuite/plugin_test_7_2.c: New.
3170
3171 2010-05-26  Rafael Espindola  <espindola@google.com>
3172
3173         * script-sections.cc (Output_section_definition::set_section_addresses):
3174         Check for --section-start.
3175
3176 2010-05-26  Doug Kwan  <dougkwan@google.com>
3177
3178         * arm.cc (Arm_scan_relocatable_relocs): New class.
3179         (Target_arm::relocate_special_relocatable): New method.
3180         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3181         (Arm_relocate_functions::thumb_branch_common): Same.
3182         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3183         instead of Default_scan_relocatable_relocs.
3184         * target-reloc.h (relocate_for_relocatable): Let target handle
3185         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3186         * target.h (Sized_target::relocate_special_relocatable): New method.
3187
3188 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3189
3190         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3191
3192 2010-05-23  Doug Kwan  <dougkwan@google.com>
3193
3194         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3195         instead of a cast.
3196         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3197         with a direct branch, not a conditional branch, to a stub.
3198         * merge.cc (Output_merge_base::record_input_section): New method
3199         defintion.
3200         (Output_merge_data::do_add_input_section): Record input section if
3201         keeps-input-sections flag is set.
3202         (Output_merge_string::do_add_input_section): Ditto.
3203         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3204         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3205         INPUT_SECTIONS_.
3206         (Output_merge_base::keeps_input_sections,
3207         Output_merge_base::set_keeps_input_sections,
3208         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3209         method definitions.
3210         (Output_merge_base::Input_sections): New type declaration.
3211         (Output_merge_base::input_sections_begin,
3212         Output_merge_base::input_sections_end,
3213         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3214         (Output_merge_base::bool keeps_input_sections_,
3215         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3216         Output_merge_base::input_sections_): New data members.
3217         (Output_merge_data::do_set_keeps_input_sections): New method
3218         defintion.
3219         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3220         * output.cc (Output_section::Input_section::relobj): Move method
3221         defintion from class declaration to here and handle merge sections.
3222         (Output_section::Input_section::shndx): Ditto.
3223         (Output_section::Output_section): Remove initializations of removed
3224         data members and initialize new data member LOOKUP_MAPS_.
3225         (Output_section::add_input_section): Set keeps-input-sections flag
3226         for a newly created merge output section as appropriate.  Adjust code
3227         to use Output_section_lookup_maps class.
3228         (Output_section::add_relaxed_input_section): Adjst code for lookup
3229         maps code refactoring.
3230         (Output_section::add_merge_input_section): Add a new parameter
3231         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3232         class.  If adding input section to a newly created merge output
3233         section fails, remove the new merge section.
3234         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3235         Adjust code for use of the Output_section_lookup_maps class.
3236         (Output_section::find_merge_section): Ditto.
3237         (Output_section::build_lookup_maps): New method defintion.
3238         (Output_section::find_relaxed_input_section): Adjust code to use
3239         Output_section_lookup_maps class.
3240         (Output_section::get_input_sections): Export merge sections.  Adjust
3241         code to use Output_section_lookup_maps class.
3242         (Output_section:::add_script_input_section): Adjust code to use
3243         Output_section_lookup_maps class.  Update lookup maps for merge
3244         sections also.
3245         (Output_section::discard_states): Use Output_section_lookup_maps.
3246         (Output_section::restore_states): Same.
3247         * output.h (Merge_section_properties): Move class defintion out of
3248         Output_section.
3249         (Output_section_lookup_maps): New class.
3250         (Output_section::Input_section::is_merge_section): New method
3251         defintion.
3252         (Output_section::Input_section::relobj): Move defintion out of class
3253         defintion.  Declare method only.
3254         (Output_section::Input_section::shndx): Ditto.
3255         (Output_section::Input_section::output_merge_base): New method defintion.
3256         (Output_section::Input_section::u2_.pomb): New union field.
3257         (Output_section::Merge_section_by_properties_map,
3258         Output_section::Output_section_data_by_input_section_map,
3259         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3260         Remove types.
3261         (Output_section::add_merge_input_section): Add new parameter
3262         KEEPS_INPUT_SECTIONS.
3263         (Output_section::build_lookup_maps): New method declaration.
3264         (Output_section::merge_section_map_,
3265         Output_section::merge_section_by_properties_map_,
3266         Output_section::relaxed_input_section_map_,
3267         Output_section::is_relaxed_input_section_map_valid_): Remove data
3268         members.
3269         (Output_section::lookup_maps_): New data member.
3270
3271 2010-05-21  Doug Kwan  <dougkwan@google.com>
3272
3273         PR gold/11619
3274         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3275         avoid a compilation error.
3276
3277 2010-05-19  Rafael Espindola  <espindola@google.com>
3278
3279         * script-sections.cc (Output_section_definition::allocate_to_segment):
3280         Update the phdrs_list even when the output section is NULL.
3281         * testsuite/Makefile.am: Add test.
3282         * testsuite/Makefile.in: Regenerate.
3283         * testsuite/script_test_9.cc: New.
3284         * testsuite/script_test_9.sh: New.
3285         * testsuite/script_test_9.t: New.
3286
3287 2010-05-19  Doug Kwan  <dougkwan@google.com>
3288
3289         * arm.cc (Arm_input_section::original_size): New method.
3290         (Arm_input_section::do_addralign): Add a cast.
3291         (Arm_input_section::do_output_offset): Remove static cast.
3292         (Arm_input_section::original_addralign,
3293          Arm_input_section::original_size_): Change type to uint32_t.
3294         (Arm_input_section::init): Add safe casts for section alignment
3295         and size.
3296         (Arm_input_section::set_final_data_size): Do not set address and
3297         offset of stub table.
3298         (Arm_output_section::fix_exidx_coverage): Change use of of
3299         Output_section::Simple_input_section to that of
3300         Output_section::Input_section.
3301         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3302         except for the first pass.
3303         * output.cc (Output_section::get_input_sections): Change type of
3304         input_sections to std::list<Input_section>.
3305         (Output_section::add_script_input_section): Rename from
3306         Output_section::add_simple_input_section.  Change type of SIS
3307         parameter from Simple_input_section to Input_section.
3308         * output.h (Output_section::Simple_input_section): Remove class.
3309         (Output_section::Input_section): Change class visibility to public.
3310         (Output_section::Input_section::addralign): Use stored alignments
3311         for special input sections if set.
3312         (Output_section::Input_section::set_addralign): New method.
3313         (Output_section::get_input_sections): Change parameter type from
3314         list of Simple_input_section to list of Input_section.
3315         (Output_section::add_script_input_section): Rename from
3316         Output_section::add_simple_input_section. Change first parameter's
3317         type from Simple_input_section to Input_section and remove the
3318         second and third parameters.
3319         * script-sections.cc (Input_section::Input_section_list): Change
3320         type to list of Output_section::Input_section/
3321         (Input_section_info::Input_section_info): Change parameter type of
3322         INPUT_SECTION to Output_section::Input_section.
3323         (Input_section_info::input_section): Change return type.
3324         (Input_section_info::input_section_): Change type to
3325         Output_section::Input_section.
3326         (Output_section_element_input::set_section_addresses): Adjust code
3327         to use Output_section::Input_section instead of
3328         Output_section::Simple_input_section.  Adjust code for renaming
3329         of Output_section::add_simple_input_section.
3330         (Orphan_output_section::set_section_addresses): Ditto.
3331
3332 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3333
3334         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3335         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3336
3337 2010-05-18  Rafael Espindola  <espindola@google.com>
3338
3339         * options.cc (General_options::finalize): Handle -nostdlib.
3340         * options.h (nostdlib): New option.
3341         * script.cc (script_add_search_dir): Handle -nostdlib.
3342
3343 2010-05-12  Doug Kwan  <dougkwan@google.com>
3344
3345         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3346         attributes section only if there no attributes section after merging.
3347         (Target_arm::merge_object_attributes): Move value of
3348         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3349         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3350         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3351         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3352         and arm_attr_merge_7.stdout.
3353         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3354         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3355         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3356         arm_attr_merge_7b.o): New rules.
3357         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3358         arm_attr_merge_7
3359         * testsuite/Makefile.in: Regenerate.
3360         * testsuite/arm_attr_merge.sh: New file.
3361         * testsuite/arm_attr_merge_[67][ab].s: Same.
3362
3363 2010-05-05  Nick Clifton  <nickc@redhat.com>
3364
3365         * po/es.po: Updated Spanish translation.
3366
3367 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3368
3369         * Makefile.am (install-exec-local): Properly install gold as
3370         default cross linker.
3371         * Makefile.in: Regenerated.
3372
3373 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3374             Nick Clifton  <nickc@redhat.com>
3375
3376         * configure.ac (install_as_default): Define and set to false
3377         unless --enable-gold or --enable-gold=both/gold has been
3378         specified.
3379         * configure: Regenerate.
3380
3381         * Makefile.am (install-exec-local): Install the executable as
3382         'ld.gold'.  If install_as_default is true then also install it as
3383         'ld'.
3384         * Makefile.in: Regenerated.
3385
3386 2010-04-24  Ian Lance Taylor  <iant@google.com>
3387
3388         * layout.cc (Layout::layout_reloc): In relocatable link don't
3389         combine reloc sections for grouped sections.
3390
3391 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3392
3393         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3394         sections that are not ordinary to icf.
3395         * icf.cc (get_section_contents): Handle relocation pointing to section
3396         with no object or shndx information.
3397         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3398         * testsuite/Makefile.in: Regenerate.
3399         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3400         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3401
3402 2010-04-22  Ian Lance Taylor  <iant@google.com>
3403
3404         * expression.cc (Expression::Expression_eval_info): Add
3405         result_alignment_pointer field.
3406         (Expression::eval_with_dot): Add result_alignment_pointer
3407         parameter.  Change all callers.
3408         (Expression::eval_maybe_dot): Likewise.
3409         (class Binary_expression): Add alignment_pointer parameter to
3410         left_value and right_value.  Change all callers.
3411         (BINARY_EXPRESSION): Set result alignment.
3412         (class Trinary_expression): Add alignment_pointer parameter to
3413         arg2_value and arg3_value.  Change all callers.
3414         (Trinary_cond::value): Set result alignment.
3415         (Max_expression::value, Min_expression::value): Likewise.
3416         (Align_expression::value): Likewise.
3417         * script-sections.cc (class Sections_element): Add dot_alignment
3418         parameter to set_section_addresses virtual function.  Update
3419         instantiations.
3420         (class Output_section_element): Likewise.
3421         (Script_sections::create_segments): Add dot_alignment parameter.
3422         Change all callers.
3423         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3424         (Script_sections::set_phdrs_clause_addresses): Likewise.
3425         * script-sections.h: Update declarations.
3426         * script.h: Update declarations.
3427         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3428         min_p_align.
3429         * testsuite/script_test_3.t: Set large alignment.
3430         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3431         segment has expected alignment.
3432
3433 2010-04-22  Nick Clifton  <nickc@redhat.com>
3434
3435         * po/gold.pot: Updated by the Translation project.
3436         * po/vi.po: Updated Vietnamese translation.
3437
3438 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3439
3440         * testsuite/Makefile.am (check_PROGRAMS): Add
3441         icf_virtual_function_folding_test.
3442         * testsuite/Makefile.in: Regenerated.
3443
3444 2010-04-15  Andrew Haley  <aph@redhat.com>
3445
3446         * options.h (merge_exidx_entries): New option.
3447         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3448         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3449         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3450         (Target_arm::merge_exidx_entries): New function.
3451         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3452         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3453         to Arm_exidx_fixup constructor.
3454         Add new arg, merge_exidx_entries.
3455         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3456         Arm_output_section::fix_exidx_coverage.
3457
3458 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3459
3460         * icf.cc (get_section_contents): Check for preemptible functions.
3461         Ignore addend when appropriate.
3462         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3463         section folded.
3464         (add_from_relobj): Check for section folded.
3465         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3466         * symtab.h (should_add_dynsym_entry): Add new parameter.
3467         * target-reloc.h (scan_relocs): Check for section folded.
3468         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3469         Check reloc types for function pointers in shared objects.
3470         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3471         case.
3472         (icf_preemptible_functions_test): New test case.
3473         (icf_string_merge_test): New test case.
3474         * testsuite.Makefile.in: Regenerate.
3475         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3476         bar_glob.  Refactor code.
3477         * testsuite/icf_preemptible_functions_test.cc: New file.
3478         * testsuite/icf_preemptible_functions_test.sh: New file.
3479         * testsuite/icf_string_merge_test.cc: New file.
3480         * testsuite/icf_string_merge_test.sh: New file.
3481         * testsuite/icf_virtual_function_folding_test.cc: New file.
3482         * testsuite/icf_virtual_function_folding_test.sh: New file.
3483
3484 2010-04-14  Doug Kwan  <dougkwan@google.com>
3485
3486         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3487         for local symbol recounting if we remove a section due to ICF.
3488         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3489         there are no regular objects in input.
3490
3491 2010-04-13  Doug Kwan  <dougkwan@google.com>
3492
3493         * arm.cc (Arm_input_section::set_final_data_size): Compute
3494         accurate final data size instead of using current data size.
3495
3496 2010-04-09  Doug Kwan  <dougkwan@google.com>
3497
3498         * layout.cc (Layout::choose_output_section): Handle script section
3499         types.
3500         (Layout::make_output_section_for_script): Add section type parameter.
3501         Handle script section types.
3502         * layout.h (Layout::make_output_section_for_script): Add section
3503         type parameter.
3504         * output.cc (Output_section::Output_section): Initialize data member
3505         is_noload_.
3506         (Output_section::do_reset_address_and_file_offset): Do not set address
3507         to 0 if section is a NOLOAD section.
3508         * output.h (Output_section::is_noload): New method.
3509         (Output_section::set_is_noload): Ditto.
3510         (Output_section::is_noload_): New data member.
3511         * script-c.h (Script_section_type): New enum type.
3512         (struct Parser_output_section_header): Add new file section_type.
3513         * script-sections.cc (Sections_element::output_section_name): Add
3514         parameter for returning script section type.
3515         (Output_section_definition::output_section_name): Ditto.
3516         (Output_section_definition::section_type)P; New method.
3517         (Output_section_definiton::script_section_type_name): Ditto.
3518         (Output_section_definition::script_section_type_): New data member.
3519         (Output_section_definition::Output_section_definition): Initialize
3520         data member Output_section_definition::script_section_type_.
3521         (Output_section_definition::create_sections): Pass script section type
3522         to Layout::make_output_section_for_script.
3523         (Output_section_definition::output_section_name): Return script
3524         section type to caller.
3525         (Output_section_definition::set_section_address): Do not advance
3526         dot value and load address if section type is NOLOAD.  Set address
3527         of NOLOAD sections regardless of section flags.
3528         (Output_section_definition::print): Print section type if it is
3529         not SCRIPT_SECTION_TYPE_NONE.
3530         (Output_section_definition::section_type): New method.
3531         (Output_section_definition::script_section_type_name): Ditto.
3532         (Script_sections::output_section_name): Add new parameter
3533         PSECTION_TYPE for returning script section type.  Pass it to
3534         section elements.  Handle discard sections.
3535         (Sort_output_sections::operator()): Handle NOLOAD sections.
3536         * script-sections.h (Script_sections::Section_type): New enum type.
3537         (Script_sections::output_section_name): Add a new parameter for
3538         returning script section type.
3539         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3540         INFO and NOLOAD.
3541         * yyscript.y (union): Add new field SECTION_TYPE.
3542         (COPY, DSECT, INFO, NOLOAD): New tokens.
3543         (opt_address_and_section_type): Change type to output_section_header.
3544         (section_type): New non-terminal
3545         (section_header): Handle section type.
3546         (opt_address_and_section_type): Return section type value.
3547
3548 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3549
3550         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3551         * testsuite/plugin_common_test_2.c (foo): Likewise.
3552
3553 2010-04-08  Doug Kwan  <dougkwan@google.com>
3554
3555         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3556         Output_merge_data.
3557         * output.cc (Output_section::add_merge_input_section): Simplify
3558         code and return status of Output_merge_base::add_input_section.
3559         Update merge section map only if Output_merge_base::add_input_section
3560         returns true.
3561
3562 2010-04-07  Doug Kwan  <dougkwan@google.com>
3563
3564         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3565         if section is marked as containing instructions but has no mapping
3566         symbols.
3567         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3568         correct section index.
3569         (Arm_relobj::find_linked_text_section): Ditto.
3570
3571 2010-04-07  Cary Coutant  <ccoutant@google.com>
3572
3573         * archive.cc (include_member): Destroy Read_symbols_data object before
3574         releasing file.
3575         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3576         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3577         (Read_symbols_data::~Read_symbols_data) New destructor.
3578         (Section_relocs::Section_relocs) New constructor.
3579         (Section_relocs::~Section_relocs) New destructor.
3580         (Read_relocs_data::Read_relocs_data) New constructor.
3581         (Read_relocs_data::~Read_relocs_data) New destructor.
3582         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3583         pointers to NULL after deleting.
3584
3585 2010-04-07  Doug Kwan  <dougkwan@google.com>
3586
3587         * arm.cc: Replace "endianity" with "endianness" in comments.
3588         (Arm_exidx_cantunwind): Ditto.
3589         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3590         (Arm_relobj::merge_flags_and_attributes): New method.
3591         (Arm_relobj::merge_flags_and_attributes_): New data member.
3592         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3593         (Arm_relobj::scan_sections_for_stubs): Ditto.
3594         (Arm_relobj::do_read_symbols): Check to see if we really want to
3595         merge processor-specific flags and attributes.  Exit early if
3596         an object is empty except for section names and the undefined symbol.
3597         (Target_arm::do_finalize_sections): Move check for ELF format to
3598         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3599         attributes from a regular object only when we have determined that
3600         it is aapropriate.  Do not create an .ARM.attributes section in
3601         output if there is no regular input object.
3602         (Target_arm::merge_processor_specific_flags): Check
3603         --warn-mismatch before printing any error.
3604         (Target_arm::merge_object_attributes): Ditto.
3605         * gold.cc (queue_middle_tasks): Handle the case in which there is
3606         no regular object in input.
3607         * options.cc (General_options::parse_EB): New method.
3608         (General_options::parse_EL): Same.
3609         (General_options::General_options): Initialize endianness_.
3610         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3611         New options.
3612         (General_options::Endianness): New enum.
3613         (General_options::endianness): New method.
3614         (General_options::endianness_): New data member.
3615         * parameters.cc (Parameters::set_options): Check target endianness.
3616         (Parameters::set_target_once): Ditto.
3617         (Parameters::check_target_endianness): New method.
3618         (parameters_force_valid_target): If either -EL or -EB is specified,
3619         use it to define endianness of default target.
3620         * parameters.h (Parameters::check_target_endianness): New method
3621         declaration.
3622         * target.h (class Target): Change "endianity" to "endianness"
3623         in comments.
3624
3625 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3626
3627         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3628         * configure: Regenerate.
3629         * Makefile.in: Regenerate.
3630         * testsuite/Makefile.in: Regenerate.
3631
3632 2010-04-06  Cary Coutant  <ccoutant@google.com>
3633
3634         gcc PR lto/42757
3635         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3636         prevailing definitions of common symbols.
3637         * testsuite/plugin_test_6.sh: New test case.
3638         * testsuite/plugin_common_test_1.c: New test case.
3639         * testsuite/plugin_common_test_2.c: New test case.
3640         * testsuite/Makefile.am (plugin_test_6): New test case.
3641         * testsuite/Makefile.in: Regenerate.
3642
3643 2010-04-06  Nick Clifton  <nickc@redhat.com>
3644
3645         * po/vi.po: New Vietnamese translation.
3646
3647 2010-03-30  Doug Kwan  <dougkwan@google.com>
3648
3649         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3650
3651 2010-03-25  Doug Kwan  <dougkwan@google.com>
3652
3653         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3654         to avoid a conversion warning on a 32-bit host.
3655
3656 2010-03-24  Ian Lance Taylor  <iant@google.com>
3657
3658         * testsuite/script_test_3.t: Add a TLS segment.
3659         * testsuite/Makefile.am (check_PROGRAMS): Add
3660         tls_phdrs_script_test.
3661         (tls_phdrs_script_test_SOURCES): Define.
3662         (tls_phdrs_script_test_DEPENDENCIES): Define.
3663         (tls_phdrs_script_test_LDFLAGS): Define.
3664         (tls_phdrs_script_test_LDADD): Define.
3665         * testsuite/Makefile.in: Rebuild.
3666
3667 2010-03-23  Cary Coutant  <ccoutant@google.com>
3668
3669         * fileread.cc (find_or_make_view): Fix comment.
3670
3671 2010-03-23  Ian Lance Taylor  <iant@google.com>
3672
3673         * script-sections.cc (class Orphan_section_placement): Define
3674         PLACE_TLS and PLACE_TLS_BSS.
3675         (Orphan_section_placement::Orphan_section_placement): Initialize
3676         new places.
3677         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3678         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3679         (tls_script_test_SOURCES): Define.
3680         (tls_script_test_DEPENDENCIES): Define.
3681         (tls_script_test_LDFLAGS): Define.
3682         (tls_script_test_LDADD): Define.
3683         * testsuite/Makefile.in: Rebuild.
3684
3685 2010-03-22  Doug Kwan  <dougkwan@google.com>
3686
3687         * arm.cc (Arm_relocate_functions::abs8,
3688         Arm_relocate_functions::abs16): Use correct check for overflow
3689         specified in the ARM ELF specs.
3690         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3691         target of a BLX instruction specially.
3692         (Reloc_stub::stub_type_for_reloc): Ditto.
3693         (Relocate::relocate): Use symbolic names instead of numeric relocation
3694         codes to report error.
3695         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3696         workaround.
3697         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3698         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3699         thumb2_blx_out_of_range.stdout
3700         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3701         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3702         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3703         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3704         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3705         thumb2_blx_in_range, thumb2_blx_in_range.o,
3706         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3707         thumb2_blx_out_of_range.o): New rules.
3708         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3709         thumb2_blx_in_range and thumb2_blx_out_of_range.
3710         * testsuite/Makefile.in: Regenerate.
3711         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3712         * testsuite/thumb_blx_in_range.s: New file.
3713         * testsuite/thumb_blx_out_of_range.s: New file.
3714
3715 2010-03-22  Rafael Espindola  <espindola@google.com>
3716
3717         * archive.cc (Should_include): Move to archive.h.
3718         (should_include_member): Make it a member of Archive.
3719         (Lib_group): New.
3720         (Add_lib_group_symbols): New.
3721         * archive.h: Include options.h.
3722         (Archive_member): Moved from Archive.
3723         (Should_include): Moved from archive.cc.
3724         (Lib_group): New.
3725         (Add_lib_group_symbols): New.
3726         * dynobj.cc (do_should_include_member): New.
3727         * dynobj.h (do_should_include_member): New.
3728         * gold.cc (queue_initial_tasks): Update call to queue.
3729         * main.cc (main): Print lib group stats.
3730         * object.cc (do_should_include_member): New.
3731         * object.h: Include archive.h.
3732         (Object::should_include_member): New.
3733         (Object::do_should_include_member): New.
3734         (Sized_relobj::do_should_include_member): New.
3735         * options.cc (General_options::parse_start_lib): New.
3736         (General_options::parse_end_lib): New.
3737         (Input_arguments::add_file): Handle lib groups.
3738         (Input_arguments::start_group): Check we are not in a lib.
3739         (Input_arguments::start_lib): New.
3740         (Input_arguments::end_lib): New.
3741         * options.h (General_options): Add start_lib and end_lib.
3742         (Input_argument::lib_): New.
3743         (Input_argument::lib): New.
3744         (Input_argument::is_lib): New.
3745         (Input_file_lib): New.
3746         (Input_arguments::in_lib_): New.
3747         (Input_arguments::in_lib): New.
3748         (Input_arguments::start_lib): New.
3749         (Input_arguments::end_lib_): New.
3750         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3751         in unused members as preempted.
3752         (Sized_pluginobj::do_should_include_member): New.
3753         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3754         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3755         return the blocker.
3756         (Read_symbols::do_whole_lib_group): New.
3757         (Read_symbols::do_lib_group): New.
3758         (Read_symbols::do_read_symbols): Handle lib groups.
3759         (Read_symbols::get_name): Handle lib groups.
3760         * readsyms.h (Read_symbols): Add an archive member pointer.
3761         (Read_symbols::do_whole_lib_group): New.
3762         (Read_symbols::do_lib_group): New.
3763         (Read_symbols::member_): New.
3764         * script.cc (read_input_script): Update call to queue_soon.
3765
3766 2010-03-19  Doug Kwan  <dougkwan@google.com>
3767
3768         * arm.cc (Stub_table::Stub_table): Initialize new data members
3769         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3770         (Stub_table::add_reloc_stub): Assign stub offset and update
3771         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3772         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3773         New data members.
3774         (Stub_table::update_data_size_and_addralign): Use
3775         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3776         instead of going over all reloc stubs.
3777         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3778         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3779         Stringpool_template::offset_ to size of Stringpool_char.
3780         (Stringpool_template::new_key_offset): Remove code to initialize
3781         Stringpool_template::offset_.
3782         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3783         Stringpool_template::offset_ to zero.
3784
3785 2010-03-15  Doug Kwan  <dougkwan@google.com>
3786
3787         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3788         offset_.
3789         (Stringpool_template::new_key_offset): New method.
3790         (Stringpool_template::add_string): Assign offsets when adding new
3791         strings.
3792         (Stringpool_template::set_string_offsets): Do not set string offsets
3793         when not optimizing.
3794         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3795         member size_.
3796         (Chunked_vector::clear): Clear size_.
3797         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3798         (Chunked_vector::size): Return size_.
3799         (Chunked_vector::push_back): Use size_ to find insert position.
3800         (Chunked_vector::size_): New data member.
3801         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3802         (Stringpool_template::new_key_offset): New method declaration.
3803         (Stringpool_template::offset_): New data member.
3804
3805 2010-03-15   Rafael Espindola  <espindola@google.com>
3806
3807         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3808         Add_symbols' constructor.
3809         * readsyms.h (Add_symbols): Remove the input_group member.
3810
3811 2010-03-10  Ian Lance Taylor  <iant@google.com>
3812
3813         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3814         target to ask whether a reference to a symbol requires a stack
3815         split.
3816         * target.h (Target::is_call_to_non_split): New function.
3817         (Target::do_is_call_to_non_split): Declare virtual function.
3818         * target.cc: Include "symtab.h".
3819         (Target::do_is_call_to_non_split): New function.
3820         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3821
3822 2010-03-10  Cary Coutant  <ccoutant@google.com>
3823
3824         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3825         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3826         (File_read::open[2]): Add whole_file_view_ to list of views.
3827         (File_read::make_view): Remove test of whole_file_view_.
3828         (File_read::find_or_make_view): Create whole_file_view_ if
3829         necessary.
3830         (File_read::clear_views): Replace bool parameter with enum;
3831         adjust all callers.  Don't delete views with permanent data;
3832         do delete cached views and views from archives if
3833         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3834         if clearing the corresponding view.
3835         * fileread.h (File_read::Clear_views_mode): New enum.
3836         (File_read::View::is_permanent_view): New method.
3837         (File_read::clear_views): Replace bool parameter
3838         with enum; adjust all callers.
3839         * options.h (General_options): Change keep_files_mapped option;
3840         add map_whole_files.
3841         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3842         releasing the file.
3843         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3844         the file.
3845
3846 2010-03-10  David S. Miller  <davem@davemloft.net>
3847
3848         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3849
3850 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3851
3852         * icf.cc (get_section_contents): Add '@' marker after processing the
3853         merge reloc.
3854
3855 2010-03-08  Doug Kwan  <dougkwan@google.com>
3856
3857         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3858         due to a conversion warning.
3859         (Arm_relobj::update_output_local_symbol_count): Check for local
3860         symbol with unset output index.
3861
3862 2010-03-05  Ian Lance Taylor  <iant@google.com>
3863
3864         * options.h (class General_options): Add --spare-dynamic-tags.
3865         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3866         --spare-dynamic-tags.
3867
3868 2010-03-05  Ian Lance Taylor  <iant@google.com>
3869
3870         * incremental.cc: Include "libiberty.h".
3871
3872 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3873
3874         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3875         function, is_info_ member.
3876         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3877         (Versions::Versions): Update caller.
3878         (Versions::define_base_version): Likewise.
3879         (Versions::add_def): Likewise.
3880
3881 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3882
3883         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3884         (Scan::possible_function_pointer_reloc): New function.
3885         (Scan::local_reloc_may_be_function_pointer): Change to call
3886         possible_function_pointer_reloc.
3887         (Scan::global_reloc_may_be_function_pointer): Ditto.
3888         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3889         relocations in ".data.rel.ro._ZTV" section.
3890         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3891         * testsuite/icf_safe_so_test.cc: Ditto.
3892         * testsuite/icf_safe_test.cc: Ditto.
3893         * testsuite/icf_safe_test.sh: Ditto.
3894
3895 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3896             Ian Lance Taylor  <iant@google.com>
3897
3898         * target-reloc.h (relocate_section): Check the symbol table index
3899         for -1U before setting the local symbol index.
3900         (scan_relocatable_relocs): If copying the relocation, record that
3901         the local symbol is required.
3902         * object.h (Symbol_value::is_output_symtab_index_set): New
3903         function.
3904         (Symbol_value::may_be_discarded_from_output_symtab): New
3905         function.
3906         (Symbol_value::has_output_symtab_entry): New function.
3907         (Symbol_value::needs_output_symtab_entry): Remove.
3908         (Symbol_value::output_symtab_index): Make sure the symbol index is
3909         set.
3910         (Symbol_value::set_output_symtab_index): Make sure the symbol
3911         index is not set.  Make sure the new index is valid.
3912         (Symbol_value::set_must_have_output_symtab_entry): New function.
3913         (Symbol_value::has_output_dynsym_entry): New function.
3914         (Symbol_value::set_output_dynsym_index): Make sure the new index
3915         is valid.
3916         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3917         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3918         local symbol if permitted.
3919         (Sized_relobj::do_finalize_local_symbols): Call
3920         is_output_symtab_index_set rather than needs_output_symtab_entry.
3921         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3922         rather than needs_output_symtab_entry.  Call
3923         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3924         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3925         is_output_symtab_index_set rather than needs_output_symtab_entry.
3926         * testsuite/discard_locals_relocatable_test.c: New file.
3927         * testsuite/discard_locals_test.sh: Test -r.
3928         * testsuite/Makefile.am (check_DATA): Add
3929         discard_locals_relocatable_test1.syms,
3930         discard_local_relocatable_test2.syms.
3931         (MOSTLYCLEANFILES): Likewise.  Also add
3932         discard_locals_relocatable_test1.lout and
3933         discard_locals_relocatable_test2.out.
3934         (discard_locals_relocatable_test1.syms): New target.
3935         (discard_locals_relocatable_test.o): New target.
3936         (discard_locals_relocatable_test1.out): New target.
3937         (discard_locals_relocatable_test2.syms): New target.
3938         (discard_locals_relocatable_test2.out): New target.
3939         (various): Add missing ../ld-new dependencies.
3940         * testsuite/Makefile.in: Rebuild.
3941
3942 2010-03-03  Nick Clifton  <nickc@redhat.com>
3943
3944         * po/fi.po: New Finnish translation.
3945
3946 2010-03-01  Doug Kwan  <dougkwan@google.com>
3947
3948         * layout.cc (Layout::Layout): Force section types of .init_array*,
3949         .preinit_array* and .fini_array* sections.
3950         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3951         Fix check of return value of std::string::find.().
3952         (Output_section::Input_section_sort_compare::operator()): Remove
3953         comment about .init_array.
3954         (Output_section::Input_section_sort_init_fini_compare::operator()):
3955         New method.
3956         (Output_section::sort_attached_input_sections): Handle .init_array
3957         and .fini_array specially.
3958         * output.h (Output_section::Inut_section_sort_compare): Update
3959         comment.
3960         (Output_section::Input_section_sort_init_fini_compare): New struct.
3961
3962 2010-02-26  Doug Kwan  <dougkwan@google.com>
3963
3964         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3965         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3966         * testsuite/debug_msg.sh: Avoid matching source line number for
3967         use of global variable undef_int.
3968
3969 2010-02-26  Doug Kwan  <dougkwan@google.com>
3970
3971         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3972         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3973         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3974         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3975         * options.cc (General_options::General_options): Initialize member
3976         fix_v4bx_.
3977         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3978         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3979         and rm_no_fix_v4bx.stdout
3980         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3981         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3982         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3983         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3984         and arm_no_fix_v4bx.
3985         * Makefile.in: Regenerate.
3986         * testsuite/arm_fix_v4bx.s: New file.
3987         * testsuite/arm_fix_v4bx.sh: Ditto.
3988
3989 2010-02-24  Doug Kwan  <dougkwan@google.com>
3990
3991         * arm.cc (Target_arm::got_section): Make the .got section the first
3992         non RELRO section in the data segment.
3993         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3994         suffixes of section names.
3995
3996 2010-02-24  Doug Kwan  <dougkwan@google.com>
3997
3998         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3999         flags and attributes merging if an input file is a binary file.
4000         * fileread.cc (Input_file::open): Record format of original file.
4001         * fileread.h (Input_file::Format): New enum type.
4002         (Input_file::Input_file): Initialize data member format_.
4003         (Input_file::format): New method definition.
4004         (Input_file::format_):: New data member.
4005
4006 2010-02-24  Doug Kwan  <dougkwan@google.com>
4007
4008         * arm.cc (Arm_output_data_got): New class.
4009         (ARM_TCB_SIZE): New constant
4010         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4011         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4012         If user uses a script with a SECTIONS clause, issue only a warning
4013         for a misplaced EXIDX input section.  Otherwise, issue an error.
4014         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4015         garbage collection.
4016         (Target_arm::got_mode_index_entry): Handle static linking.
4017         (Target_arm::Scan::local): Ditto.
4018         (Target_arm::Scan::global): Ditto.
4019         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4020         all incorrectly implemented relocations.
4021         (Target_arm::fix_exidx_coverage): Pass layout to
4022         Arm_output_section::fix_exidx_coverage.
4023         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4024         from ".ARM.exidx." and ".ARM.extab.".
4025
4026 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4027
4028         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4029         section if it does not already exist.
4030         * attributes.cc (Attributes_section_data::Attributes_section_data):
4031         Don't crash if size is zero.
4032
4033 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4034             Ian Lance Taylor  <iant@google.com>
4035
4036         * gold.cc (queue_middle_tasks): If no input files were opened,
4037         exit.
4038         * workqueue.h (Task_function::Task_function): Assert that there is
4039         a blocker.
4040
4041 2010-02-22  Doug Kwan  <dougkwan@google.com>
4042
4043         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4044         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4045         types to avoid warnings due to different uint64_t implementations
4046         on different hosts.
4047
4048 2010-02-21  Doug Kwan  <dougkwan@google.com>
4049
4050         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4051         handling of the maximum backward branch offset.
4052         (Arm_relocate_functions::thumb_branch_common): Ditto.
4053         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4054         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4055         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4056         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4057         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4058         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4059         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4060         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4061         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4062         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4063         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4064         thumb2_bl_out_of_range.o): New rules.
4065         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4066         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4067         thumb2_bl_out_of_range
4068         * testsuite/Makefile.in: Regenerate.
4069         * testsuite/arm_bl_in_range.s: New file.
4070         * testsuite/arm_bl_out_of_range.s: Ditto.
4071         * testsuite/arm_branch_in_range.sh: Ditto.
4072         * testsuite/arm_branch_range.t: Ditto.
4073         * testsuite/thumb2_branch_range.t: Ditto.
4074         * testsuite/thumb_bl_in_range.s: Ditto.
4075         * testsuite/thumb_bl_out_of_range.s: Ditto.
4076         * testsuite/thumb_branch_range.t: Ditto.
4077
4078 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4079
4080         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4081         Add reloc offset information.
4082         * icf.cc (get_section_contents): Change iterators to point to the new
4083         vectors. Add reloc offset information to the contents.
4084         * icf.h (Icf::Sections_reachable_info): New typedef.
4085         (Icf::Sections_reachable_list): New typedef.
4086         (Icf::Offset_info): New typedef.
4087         (Icf::Reloc_info): New struct typedef.
4088         (Icf::Reloc_info_list): New typedef.
4089         (Icf::symbol_reloc_list): Delete method.
4090         (Icf::addend_reloc_list): Delete method.
4091         (Icf::section_reloc_list): Delete method.
4092         (Icf::reloc_info_list): New method.
4093         (Icf::reloc_info_list_): New member.
4094
4095 2010-02-19  Doug Kwan  <dougkwan@google.com>
4096
4097         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4098         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4099         * arm.cc (Arm_relocation_functions): New forward declaration.
4100         (Target_arm::Target_arm): Initialize new data members
4101         got_mod_index_offset_ and tls_base_symbol_defined_.
4102         (Target_arm::Relocate::relocate_tls): New method.
4103         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4104          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4105         New methods.
4106         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4107         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4108         (Target_arm::got_mod_index_offset_,
4109         Target_arm::tls_base_symbol_defined_): New data members.
4110         (Target_arm::Scan::local, Target::Scan::global,
4111         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4112         relocations.
4113
4114 2010-02-18  Doug Kwan  <dougkwan@google.com>
4115
4116         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4117         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4118         text section as a parameter becuase some broken tools may not set
4119         the link in section header.
4120         (Target_arm::has_got_section): New method.
4121         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4122         without any mapping symbol as data only.  Remove warning.
4123         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4124         link in its section header, try to discover the link by inspecting the
4125         REL31 relocation at the beginning of the section.
4126         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4127         in error message.
4128         (Target_arm::Scan::global): Treat any reference to the symbol
4129         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4130
4131 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4132
4133         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4134         (Scan::global_reloc_may_be_function_pointer): New function.
4135         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4136         (Scan::global_reloc_may_be_function_pointer): New function.
4137         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4138         (Scan::global_reloc_may_be_function_pointer): New function.
4139         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4140         (Scan::global_reloc_may_be_function_pointer): New function.
4141         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4142         (Scan::global_reloc_may_be_function_pointer): New function.
4143         (Scan::possible_function_pointer_reloc): New function.
4144         (Target_x86_64::can_check_for_function_pointers): New function.
4145         * gc.h (gc_process_relocs): Scan relocation types to determine if
4146         function pointers were taken for targets that support it.
4147         * icf.cc (Icf::find_identical_sections): Include functions for
4148         folding in safe ICF whose pointer is not taken.
4149         * icf.h (Secn_fptr_taken_set): New typedef.
4150         (fptr_section_id_): New member.
4151         (section_has_function_pointers): New function.
4152         (set_section_has_function_pointers): New function.
4153         (check_section_for_function_pointers): New function.
4154         * options.h: Fix comment for safe ICF option.
4155         * target.h (can_check_for_function_pointers): New function.
4156         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4157         Modify icf_safe_test for X86-64.
4158         * testsuite/Makefile.in: Regenerate.
4159         * testsuite/icf_safe_so_test.cc: New file.
4160         * testsuite/icf_safe_so_test.sh: New file.
4161         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4162         (main): Change to take pointer to function kept_func_3.
4163         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4164         folding is done correctly for X86-64.
4165
4166 2010-02-12  David S. Miller  <davem@davemloft.net>
4167
4168         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4169         is_symbolless parameter.
4170         (Output_reloc<SHT_REL>::is_symbolless): New.
4171         (Output_reloc<SHT_REL>::is_symbolless_): New.
4172         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4173         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4174         (Output_reloc<SHT_RELA>::is_symbolless): New.
4175         (Output_data_reloc::add_global): Handle is_symbolless.
4176         (Output_data_reloc::add_global_relative): Likewise.
4177         (Output_data_reloc::add_local): Likewise.
4178         (Output_data_reloc::add_local_relative): Likewise.
4179         (Output_data_reloc::add_symbolless_global_addend): New.
4180         (Output_data_reloc::add_symbolless_local_addend): New.
4181         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4182         is_symbolless.
4183         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4184         instead of ->is_relative_
4185         (Output_reloc::write): Likewise.
4186         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4187         (Output_reloc::write_rel): Simplify.
4188
4189         * sparc.cc (Target_sparc::Scan::local): Use
4190         ->add_symbolless_local_addend as needed.
4191         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4192         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4193         based upon relocation offset.
4194
4195 2010-02-11  Doug Kwan  <dougkwan@google.com>
4196
4197         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4198         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4199         beginning of function.
4200         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4201         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4202         parameter is_32bit in calls to should_apply_static_reloc.
4203         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4204         (check_DATA): Add arm_abs_global.stdout.
4205         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4206         arm_abs_global.stdout): New rules.
4207         (MOSTLLYCLEANFILES): Add arm_abs_global
4208         * Makefile.in: Regenerate.
4209         * testsuite/arm_abs_global.s: New file.
4210         * testsuite/arm_abs_global.sh: Ditto.
4211         * testsuite/arm_abs_lib.s: Ditto.
4212
4213 2010-02-11  Ian Lance Taylor  <iant@google.com>
4214
4215         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4216         Read_relocs task.
4217         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4218         Allocate_commons_task first.
4219         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4220         task, rather than symtab_lock_.
4221         (Gc_process_relocs::~Gc_process_relocs): New function.
4222         (Gc_process_relocs::is_runnable): Check this_blocker_.
4223         (Gc_process_relocs::locks): Use next_blocker_ rather than
4224         blocker_.
4225         (Scan_relocs::~Scan_relocs): New function.
4226         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4227         symtab_lock_.
4228         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4229         next_blocker_.
4230         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4231         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4232         constructor accordingly.
4233         (class Gc_process_relocs): Likewise.
4234         (class Scan_relocs): Likewise.
4235         * common.h (class Allocate_commons_task): Remove symtab_lock_
4236         field, and corresponding constructor parameter.
4237         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4238         symtab_lock_.
4239         (Allocate_commons_task::locks): Likewise.
4240
4241 2010-02-11  Ian Lance Taylor  <iant@google.com>
4242
4243         * gold-threads.h (class Once): Define.
4244         (class Initialize_lock): Rewrite as child of Once.
4245         * gold-threads.cc (class Once_initialize): Define.
4246         (once_pointer_control): New static variable.
4247         (once_pointer, once_arg): New static variables.
4248         (c_run_once): New static function.
4249         (Once::Once, Once::run_once, Once::internal_run): New functions.
4250         (class Initialize_lock_once): Remove.
4251         (initialize_lock_control): Remove.
4252         (initialize_lock_pointer): Remove.
4253         (initialize_lock_once): Remove.
4254         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4255         (Initialize_lock::initialize): Rewrite.
4256         (Initialize_lock::do_run_once): New function.
4257         * archive.cc (Archive::interpret_header): Only clear name if it is
4258         not already empty.
4259         * fileread.cc: Include "gold-threads.h"
4260         (file_counts_lock): New static variable.
4261         (file_counts_initialize_lock): Likewise.
4262         (File_read::release): Only increment counts when using --stats.
4263         Use a lock around the increment.
4264         * parameters.cc (class Set_parameters_target_once): Define.
4265         (set_parameters_target_once): New static variable.
4266         (Parameters::Parameters): Move here from parameters.h.
4267         (Parameters::set_target): Rewrite.
4268         (Parameters::set_target_once): New function.
4269         (Parameters::clear_target): Move here and rewrite.
4270         * parameters.h (class Parameters): Update declarations.  Add
4271         set_parameters_target_once_ field.
4272         (Parameters::Parameters): Move to parameters.cc.
4273         (Parameters::clear_target): Likewise.
4274         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4275         task.
4276         (Start_group::~Start_group): New function.
4277         (Start_group::is_runnable): New function.
4278         (Start_group::locks, Start_group::run): New functions.
4279         (Finish_group::run): Change saw_undefined to size_t.
4280         * readsyms.h (class Start_group): Define.
4281         (class Finish_group): Change saw_undefined_ field to size_t.
4282         (Finish_group::Finish_group): Remove saw_undefined and
4283         this_blocker parameters.  Change all callers.
4284         (Finish_group::set_saw_undefined): New function.
4285         (Finish_group::set_blocker): New function.
4286         * symtab.h (class Symbol_table): Change saw_undefined to return
4287         size_t.  Change saw_undefined_ field to size_t.
4288         * target-select.cc (Set_target_once::do_run_once): New function.
4289         (Target_selector::Target_selector): Initialize set_target_once_
4290         field.  Don't initialize lock_ and initialize_lock_ fields.
4291         (Target_selector::instantiate_target): Rewrite.
4292         (Target_selector::set_target): New function.
4293         * target-select.h (class Set_target_once): Define.
4294         (class Target_selector): Update declarations.  Make
4295         Set_target_once a friend.  Remove lock_ and initialize_lock_
4296         fields.  Add set_target_once_ field.
4297
4298 2010-02-10  Ian Lance Taylor  <iant@google.com>
4299
4300         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4301         queueing any tasks.
4302         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4303         (queue_middle_tasks): Add all blockers before queueing any tasks.
4304         (queue_final_tasks): Likewise.
4305         * token.h (Task_token::add_blockers): New function.
4306         * object.h (Input_objects::number_of_relobjs): New function.
4307
4308 2010-02-10  Ian Lance Taylor  <iant@google.com>
4309
4310         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4311         shared, not if not position independent.
4312         * x86_64.cc (Relocate::relocate_tls): Likewise.
4313         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4314         (tls_pie_pic_test): New target.
4315         * testsuite/Makefile.in: Rebuild.
4316
4317         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4318         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4319         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4320         * testsuite/Makefile.in: Rebuild.
4321
4322 2010-02-09  David S. Miller  <davem@davemloft.net>
4323
4324         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4325         R_SPARC_RELATIVE using ->add_local_relative().
4326         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4327
4328         * output.h (Output_data_dynamic::add_section_size): New method
4329         that takes two Output_data objects.
4330         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4331         entry param.  Handle it in initializers.
4332         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4333         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4334         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4335         arg.
4336         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4337         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4338         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4339         for dynrel_includes_plt.
4340         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4341         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4342         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4343         before .rela.plt
4344         (Target_sparc::do_finalize_sections): Update to pass true for
4345         dynrel_includes_plt.
4346         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4347         output before .rela.plt
4348         (Target_powerpc::do_finalize_sections): Update to pass true for
4349         dynrel_includes_plt when 32-bit.
4350
4351 2010-02-08  Doug Kwan  <dougkwan@google.com>
4352
4353         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4354         method.
4355         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4356         Arm_relobj::scan_section_for_cortex_a8_stubs,
4357         Arm_relobj::do_relocation_section): Instead of calling
4358         Output_section::output_address, use faster
4359         Arm_relobj::simple_input_section_output_address.
4360
4361 2010-02-08  David S. Miller  <davem@davemloft.net>
4362
4363         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4364         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4365         relocation helper function.
4366
4367         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4368         just like R_SPARC_GOT{10,13,22}.
4369         (Target_sparc::Scan::local): Likewise.
4370         (Target_sparc::Relocate:relocate): Likewise.
4371
4372 2010-02-06  Ian Lance Taylor  <iant@google.com>
4373
4374         * configure.ac: Rewrite targetobjs duplicate removal code to use
4375         only shell constructs.
4376         * configure: Rebuild.
4377
4378 2010-02-05  Doug Kwan  <dougkwan@google.com>
4379
4380         PR 11247
4381         * arm.cc (Arm_relobj::section_is_scannable): New method.
4382         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4383         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4384
4385 2010-02-04  Doug Kwan  <dougkwan@google.com>
4386
4387         PR 11247
4388         * arm-reloc-property.cc (cstdio): Include.
4389         * configure.ac (targetobjs): Remove duplicates.
4390         * configure: Regenerate.
4391         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4392         big and little endian version for a given address size.
4393
4394 2010-02-03  Doug Kwan  <dougkwan@google.com>
4395
4396         * arm-reloc-property.cc
4397         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4398         definition.
4399         * arm-reloc-property.h
4400         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4401         New method definition.
4402         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4403         declaration.
4404         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4405         overflow to N.
4406         (GOT_PREL): Change implemented to Y.
4407         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4408         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4409         (Arm_relocate_functions::movw_abs_nc): Remove method.
4410         (Arm_relocate_functions::movt_abs): Ditto.
4411         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4412         (Arm_relocate_functions::thm_movt_abs): Ditto.
4413         (Arm_relocate_functions::movw_rel_nc): Ditto.
4414         (Arm_relocate_functions::movw_rel): Ditto.
4415         (Arm_relocate_functions::movt_rel): Ditto.
4416         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4417         (Arm_relocate_functions:thm_movw_rel): Ditto.
4418         (Arm_relocate_functions:thm_movt_rel): Ditto.
4419         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4420         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4421         New method definitions.
4422         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4423         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4424         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4425         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4426         (Target_arm::Relocate::relocate): Check for non-static or
4427         unimplemented relocation code and exit early.  Change calls to
4428         Target_arm::reloc_uses_thumb_bit and
4429         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4430         instead.  Refactor code to handle similar relocations to increase
4431         code sharing.  Remove check for unsupported relocation code in switch
4432         statement.
4433         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4434         relocation property table to find out size.  Change error message to
4435         print out the name of a relocation code instead of the numeric value.
4436         (Target_arm::scan_reloc_for_stub): Use relocation property table
4437         instead of calling Target_arm::reloc_uses_thumb_bit().
4438
4439 2010-02-02  Doug Kwan  <dougkwan@google.com>
4440
4441         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4442         types of relaxed input section.
4443
4444 2010-02-02  Doug Kwan  <dougkwan@google.com>
4445
4446         * Makefile.am (HFILES): Add arm-reloc-property.h.
4447         (DEFFILES): New.
4448         (TARGETSOURCES): Add arm-reloc-property.cc
4449         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4450         (libgold_a_SOURCES): $(DEFFILES)
4451         * Makefile.in: Regenerate.
4452         * arm-reloc-property.cc: New file.
4453         * arm-reloc-property.h: New file.
4454         * arm-reloc.def: New file.
4455         * arm.cc: Update comments.
4456         (arm-reloc-property.h): New included header.
4457         (arm_reloc_property_table): New global variable.
4458         (Target_arm::do_select_as_default_target): New method definition.
4459         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4460         arm-reloc-property to targ_extra_obj.
4461         * parameters.cc (set_parameters_target): Call
4462         Target::select_as_default_target().
4463         * target.h (Target::select_as_default_target): New method definition.
4464         (Target::do_select_as_default_target): Same.
4465
4466 2010-02-01  Doug Kwan  <dougkwan@google.com>
4467
4468         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4469         first_output_text_section_.
4470         (Arm_exidx_fixup::first_output_text_section): New method definition.
4471         (Arm_exidx_fixup::first_output_text_section_): New data member.
4472         (Arm_exidx_fixup::process_exidx_section): Record the first text
4473         output section seen.
4474         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4475         and entsize in output section header.
4476
4477 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4478
4479         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4480         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4481         (Arm_relocate_functions::thm_alu11): New Method.
4482         (Arm_relocate_functions::thm_pc8): New Method.
4483         (Arm_relocate_functions::thm_pc12): New Method.
4484         (Target_arm::Scan::local): Handle the relocations.
4485         (Target_arm::Scan::global): Likewise.
4486         (Target_arm::Relocate::relocate): Likewise.
4487         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4488
4489 2010-01-29  Doug Kwan  <dougkwan@google.com>
4490
4491         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4492         of relocation types as ld.
4493
4494 2010-01-29  Doug Kwan  <dougkwan@google.com>
4495
4496         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4497         to public.
4498         (Arm_relocate_functions::thumb_branch_common): Ditto.
4499         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4500         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4501         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4502         Arm_relocate_functions::jump24): Remove.
4503         (Target_arm::Relocate::relocate): Adjust code to call
4504         Arm_relocation_functions::arm_branch_common and
4505         Arm_relocation_functions::thumb_branch_common instead of their removed
4506         wrappers.  Merge switch-cases together to reduce source code size.
4507
4508 2010-01-29  Doug Kwan  <dougkwan@google.com>
4509
4510         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4511         output_local_symbol_count_needs_update_.
4512         (Arm_relobj::output_local_symbol_count_needs_update,
4513          Arm_relobj::set_output_local_symbol_count_needs_update,
4514          Arm_relobj::update_output_local_symbol_count): New methods.
4515         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4516         member.
4517         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4518         of pointed function as in a R_ARM_PREL31 relocation.
4519         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4520         for output local symbol count updating.
4521         (Target_arm::do_relax): Update output local symbol counts in objects
4522         if necessary.
4523         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4524
4525 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4526
4527         * arm.cc: Added support for the ARM relocations:
4528         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4529         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4530         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4531         movw_prel_nc).
4532         (Arm_relocate_functions::movw_rel): New method.
4533         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4534         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4535         thm_movw_prel_nc).
4536         (Arm_relocate_functions::thm_movw_rel): New method.
4537         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4538         thm_movt_prel).
4539         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4540         relocations.
4541         (Target_arm::Scan::global): Likewise.
4542         (Target_arm::Relocate::relocate): Likewise.
4543         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4544         Likewise.
4545
4546 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4547
4548         * arm.cc: Added support for ARM group relocations.
4549         (Target_arm::reloc_needs_sym_origin): New method.
4550         (Arm_relocate_functions::calc_grp_kn): New method.
4551         (Arm_relocate_functions::calc_grp_residual): New method.
4552         (Arm_relocate_functions::calc_grp_gn): New method.
4553         (Arm_relocate_functions::arm_grp_alu): New Method.
4554         (Arm_relocate_functions::arm_grp_ldr): New Method.
4555         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4556         (Arm_relocate_functions::arm_grp_ldc): New Method.
4557         (Target_arm::Scan::local): Handle the ARM group relocations.
4558         (Target_arm::Scan::global): Likewise.
4559         (Target_arm::Relocate::relocate): Likewise.
4560         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4561         Likewise.
4562
4563 2010-01-26  Doug Kwan  <dougkwan@google.com>
4564
4565         * arm.cc (set): Include.
4566         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4567         pointer type.
4568         (Arm_output_section::Text_section_list): New type.
4569         (Arm_output_section::append_text_sections_to_list): New method.
4570         (Arm_output_section::fix_exidx_coverage): Ditto.
4571         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4572         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4573         Relobj::set_section_offset() instead of
4574         Sized_relobj::invalidate_section_offset().
4575         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4576         parameter for section headers. Ignore relocation sections for
4577         unallocated sections and EXIDX sections.
4578         (Target_arm::fix_exidx_coverage): New method.
4579         (Target_arm::output_section_address_less_than): New type.
4580         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4581         linked text section instead of the EXIDX section.
4582         (Arm_output_section::create_stub_group): Add an assertion to check
4583         that this is not an EXIDX output section.
4584         (Arm_output_section::append_text_sections_to_list): New method.
4585         (Arm_output_section::fix_exidx_coverage): Ditto.
4586         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4587         Arm_relobj::section_needs_reloc_stub_scanning.
4588         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4589         first pass.
4590         (Target_arm::fix_exidx_coverage): New method.
4591         * object.h (Relobj::set_output_section): New method.
4592         (Sized_relobj::invalidate_section_offset): Remove method.
4593         (Sized_relobj::do_invalidate_section_offset): Remove method.
4594         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4595
4596 2010-01-25  Doug Kwan  <dougkwan@google.com>
4597
4598         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4599         Fix warning due to signed and unsigned comparison on a 32-bit host.
4600
4601 2010-01-22  Doug Kwan  <dougkwan@google.com>
4602
4603         * arm.cc (Target_arm::do_relax): Record an output section for section
4604         offset adjustment it contains any stub table that has changed.
4605         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4606         offsets in an output section if necessary.
4607         * output.cc (Output_section::Output_section): Initialize
4608         section_offsets_need_adjustments_.
4609         (Output_section::add_input_section_for_script): Renamed to
4610         Output_section::add_simple_input_section.
4611         (Output_section::save_states): Add a comment.
4612         (Output_section::discard_states): New method defintion.
4613         (Output_section::adjust_section_offsets): Same.
4614         * output.h (Output_section::add_input_section_for_script): Renamed to
4615         Output_section::add_simple_input_section.
4616         (Output_section::discard_states): New method declaration.
4617         (Output_section::adjust_section_offsets): Same.
4618         (Output_section::section_offsets_need_adjustment,
4619         Output_section::set_section_offsets_need_adjustment): New method
4620         definitions.
4621         (Output_section::section_offsets_need_adjustment_): New data member.
4622         * script-sections.cc
4623         (Output_section_element_input::set_section_address): Adjust code for
4624         renaming of Output_section::add_input_section_for_script.
4625         (Orphan_output_section::set_section_address): Same.
4626
4627 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4628
4629         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4630         Fix_v4bx enum values .
4631         * gold/options.h (General_options): New option definitions.
4632         (General_options::fix_v4bx): New method.
4633         (General_options::Fix_v4bx): New enum.
4634         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4635         (General_options::parse_fix_v4bx_interworking): New method.
4636
4637 2010-01-22  Doug Kwan  <dougkwan@google.com>
4638
4639         * arm.cc (Arm_exidx_fixup): New class.
4640
4641 2010-01-21  Doug Kwan  <dougkwan@google.com>
4642
4643         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4644         classes.
4645         (Arm_exidx_section_offset_map): New type.
4646
4647 2010-01-21  Doug Kwan  <dougkwan@google.com>
4648
4649         * arm.cc (Arm_exidx_input_section): New class.
4650         (Arm_relobj::exidx_input_section_by_link,
4651         Arm_relobj::exidx_input_section_by_shndx,
4652         Arm_relobj::make_exidx_input_section): New methods.
4653         (read_arm_attributes_section): Remove.
4654         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4655         information about them.
4656         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4657         to here.
4658
4659 2010-01-20  Doug Kwan  <dougkwan@google.com>
4660
4661         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4662         Input_section_specifier to Section_id.
4663         (Target_arm::new_arm_input_section: Adjust code for change of key
4664         type.
4665         (Target_arm::find_arm_input_section): Ditto.
4666         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4667         (Section_id): Remove.
4668         (Garbage_collection::Section_id_hash): Remove.
4669         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4670         (Section_id): Remove.
4671         (Icf::Section_id_hash): Remove.
4672         * object.h (Section_id, Const_section_id, Section_id_hash,
4673         Const_section_id_hash): New type definitions.
4674         * output.cc (Output_section::add_relaxed_input_section): Change to
4675         use Const_section_id instead of Input_section_specifier as key type.
4676         (Output_section::add_merge_input_section): Ditto.
4677         (Output_section::build_relaxation_map): Change to use Section_id
4678         instead of Input_section_specifier as key type.
4679         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4680         Ditto.
4681         (Output_section::convert_input_sections_to_relaxed_sections): Change
4682         to use Const_section_id instead of Input_section_specifier as key type.
4683         (Output_section::find_merge_section): Ditto.
4684         (Output_section::find_relaxed_input_section): Ditto.
4685         * output.h (Input_section_specifier): Remove class.
4686         (Output_section::Output_section_data_by_input_section_map): Change
4687         key type to Const_section_id.
4688         (Output_section::Output_relaxed_input_section_by_input_section_map):
4689         Ditto.
4690         (Output_section::Relaxation_map): Change key type to Section_id.
4691
4692 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4693
4694         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4695         (class Arm_v4bx_stub): New class.
4696         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4697         (Stub_factory::make_arm_v4bx_stub): New method.
4698         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4699         (Stub_table::empty): Handle v4bx stubs.
4700         (Stub_table::add_arm_v4bx_stub): New method.
4701         (Stub_table::find_arm_v4bx_stub): New method.
4702         (Arm_relocate_functions::v4bx): New method.
4703         (Target_arm::fix_v4bx): New method.
4704         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4705         (Stub_table::relocate_stubs): Likewise.
4706         (Stub_table::do_write): Likewise.
4707         (Stub_table::update_data_size_and_addralign): Likewise.
4708         (Stub_table::finalize_stubs):  Likewise.
4709         (Target_arm::Scan::local): Likewise.
4710         (Target_arm::Scan::global): Likewise.
4711         (Target_arm::do_finalize_sections): Likewise.
4712         (Target_arm::Relocate::relocate): Likewise.
4713         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4714         Likewise.
4715         (Target_arm::scan_reloc_for_stub): Likewise.
4716         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4717
4718 2010-01-19  Ian Lance Taylor  <iant@google.com>
4719
4720         * output.cc (Output_section_headers::do_sized_write): Write large
4721         segment count to sh_info field.
4722         (Output_file_header::do_sized_write): For large segment count,
4723         write PN_XNUM to e_phnum field.
4724
4725 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4726
4727         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4728         (Arm_relocate_functions::thm_jump8): New function.
4729         (Arm_relocate_functions::thm_jump11): New function.
4730         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4731         R_ARM_THM_JUMP11.
4732         (Target_arm::Scan::global): Likewise.
4733         (Target_arm::Relocate::relocate): Likewise.
4734         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4735         Likewise.
4736
4737 2010-01-14  Doug Kwan  <dougkwan@google.com>
4738
4739         * arm.cc (map, utility): Include headers.
4740         (Target_arm::apply_cortex_a8_workaround): New method.
4741         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4742         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4743         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4744         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4745         the --[no-]fix-cortex-a8 command line options.
4746         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4747         (Target_arm::relocate_stub): Use addend in instruction template.
4748         * options.h (DEFINE_bool): Set the user-set flag.
4749         (General_options): Add --[no-]-fix-cortex options.
4750         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4751         : Update fast look-up map after conversion.
4752
4753 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4754
4755         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4756         in the first pass of do_layout.
4757
4758 2010-01-13  Doug Kwan  <dougkwan@google.com>
4759
4760         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4761         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4762         apparent compiler problem of not folding static constant integral
4763         data members of elfcpp::Elf_sizes<32>.
4764
4765 2010-01-13  Doug Kwan  <dougkwan@google.com>
4766
4767         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4768         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4769         Arm_relobj::scan_section_for_cortex_a8_erratum,
4770         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4771         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4772         sections to scan for relocation stubs into a new method
4773         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4774         relocation and Cortex-A8 stub scanning.
4775         (Target_arm::do_relax): Force stubs to be after stubbed sections
4776         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4777         the beginning of a new relaxation pass.  Update a comment.
4778         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4779
4780 2010-01-12  Ian Lance Taylor  <iant@google.com>
4781
4782         * target-reloc.h (visibility_error): New inline function.
4783         (relocate_section): Call visibility_error.
4784         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4785         (MOSTLYCLEANFILES): Likewise.
4786         (protected_4_pic.o, protected_3.err): New targets.
4787         * testsuite/protected_4.cc: New file.
4788
4789 2010-01-12  Doug Kwan  <dougkwan@google.com>
4790
4791         * arm.cc (Cortex_a8_reloc): New class.
4792         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4793         and cortex_a8_relocs_info_.
4794         (Target_arm::fix_cortex_a8): New method definition.
4795         (Target_arm::Cortex_a8_relocs_info): New type.
4796         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4797         New data member declarations.
4798         (Target_arm::scan_reloc_for_stub): Record information about
4799         relocations for THUMB branches that might be exempted from the
4800         Cortex-A8 workaround.
4801         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4802         at the beginning of a relaxation pass.
4803
4804 2010-01-12  Doug Kwan  <dougkwan@google.com>
4805
4806         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4807         (Arm_relobj::Mapping_symbol_position,
4808          Arm_reloj::Mapping_symbol_position_less,
4809          Arm_relobj::Mapping_symbols_info): New types.
4810         (Target_arm::is_mapping_symbol_name): New method definition.
4811         (Arm_relobj::do_count_local_symbols): Save information about mapping
4812         symbols.
4813
4814 2010-01-11  Doug Kwan  <dougkwan@google.com>
4815
4816         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4817         Arm_relocate_functions::thumb32_branch_upper,
4818         Arm_relocate_functions::thumb32_branch_lower,
4819         Arm_relocate_functions::thumb32_cond_branch_offset,
4820         Arm_relocate_functions::thumb32_cond_branch_upper,
4821         Arm_relocate_functions::thumb32_cond_branch_lower,
4822         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4823         branch offset encoding.
4824         (Arm_relocate_functions::thumb_branch_common): Use new branch
4825         offset encoding methods to avoid code duplication.
4826         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4827         (Stub_addend_reader::operator()): Use new branch encoding method
4828         to avoid code duplication.
4829
4830 2010-01-11  Doug Kwan  <dougkwan@google.com>
4831
4832         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4833         (Target_arm::do_finalize_sections): Define special EXIDX section
4834         symbols only if referenced.
4835         * gc.h (Garbage_collection::add_reference): New method.
4836         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4837         code duplication.
4838
4839 2010-01-11  Ian Lance Taylor  <iant@google.com>
4840
4841         * script.cc (Version_script_info::build_expression_list_lookup):
4842         Change complaing about duplicate wildcard match from error to
4843         warning.
4844
4845         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4846         of 2009-12-30.
4847         (Version_script_info::Version_script_info): Initialize globs_,
4848         default_version_, default_is_global_, and exact_.  Don't
4849         initialize globals_ or locals_.
4850         (Version_script_info::build_lookup_tables): Build local symbols
4851         first.
4852         (Version_script_info::unquote): New function.
4853         (Version_script_info::add_exact_match): New function.
4854         (Version_script_info::build_expression_list_lookup): Remove lookup
4855         parameter.  Add is_global parameter.  Change all callers.  Handle
4856         wildcard pattern specially.  Unquote pattern.  Call
4857         add_exact_match.
4858         (Version_script_info::get_name_to_match): New function.
4859         (Version_script_info::get_symbol_version): New function.
4860         (Version_script_info::get_symbol_version_helper): Remove.
4861         (Version_script_info::check_unmatched_names): Call unquote.
4862         * script.h (class Version_script_info): Change get_symbol_version
4863         to be non-inline and add is_global parameter; change all callers.
4864         Rewrite symbol_is_local.  Update declarations.  Define struct
4865         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4866         Remove globals_ and locals_ members.  Add exact_, globs_,
4867         default_version_, is_global_.
4868         (Version_script_info::Glob): Remove pattern, add expression and
4869         is_global.  Update constructor.  Change all callers.
4870         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4871         default version.
4872         (Versions::symbol_section_contents): If a symbol is undefined, or
4873         defined in a dynamic object, set the version index to
4874         VER_NDX_LOCAL.
4875         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4876         symbol_is_local.
4877         (Symbol_table::add_from_pluginobj): Likewise.
4878         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4879
4880 2010-01-11  Doug Kwan  <dougkwan@google.com>
4881
4882         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4883         (incremental_dump_LDADD): Add linking option for libintl.
4884         * Makefile.in: Regenerate.
4885
4886 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4887
4888         PR gold/11144
4889         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4890         instead of -Ds.
4891         * testsuite/Makefile.in: Regenerated.
4892
4893 2010-01-10  Doug Kwan  <dougkwan@google.com>
4894
4895         * options.h (DEFINE_var): Use parentheses around argument varname__
4896         in macro body to avoid any unintended subsequent substitutions.
4897
4898 2010-01-10  Ian Lance Taylor  <iant@google.com>
4899
4900         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4901         candidates before doing symbol resolution.
4902
4903         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4904         ODR candidates if only one is weak.
4905
4906 2010-01-08  Ian Lance Taylor  <iant@google.com>
4907
4908         * script.cc (Version_script_info::build_expression_list_lookup):
4909         Don't warn about ambiguous version, just record the ambiguity.
4910         (Version_script_info::get_symbol_version_helper): Give error if
4911         version is ambiguous.
4912
4913 2010-01-08  Doug Kwan  <dougkwan@google.com>
4914
4915         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4916           prev_data_size_ and prev_addralign_.  Remove initializer for
4917           deleted data member has_been_changed_.
4918           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4919           to determine if the table is empty.
4920           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4921           Remove.
4922           (Stub_table::add_reloc_stub): Define method in class definition
4923           instead of just declaring it there.
4924           (Stub_table::add_cortex_a8_stub): New method definition.
4925           (Stub_table::update_data_size_and_addralign): Ditto.
4926           (Stub_table::finalize_stubs): Ditto.
4927           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4928           (Stub_table::do_addralign_): Return address alignment in the
4929           (Stub_table::do_reset_address_and_file_offset): Define method in
4930           class definition instead of declaring it there.  Set current data
4931           size to be the data size of the previous pass.
4932           (Stub_table::set_final_data_size): Use current data size as the
4933           final data size.
4934           (Stub_table::relocate_stub): Change parameter type of stub from
4935           Reloc_stub pointer to Stub pointer.
4936           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4937           (Stub_table::Cortex_a8_stub_list): New typedef.
4938           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4939            Stub_table::prev_addralign_): New data member.
4940           (Arm_relobj::Arm_relobj): Initialize data member
4941           section_has_cortex_a8_workaround_.
4942           (Arm_relobj::section_has_cortex_a8_workaround,
4943            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4944            definitions.
4945           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4946           declarations.
4947           (Target_arm::relocate_stub): Change parameter type of stub from
4948           Reloc_stub pointer to Stub pointer.
4949           (Insn_template::size, Insn_template::alignment): Handle
4950           THUMB16_SPECIAL_TYPE.
4951           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4952            Stub_table::update_data_size_and_addralign,
4953            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4954           definitions.
4955           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4956           (Stub_table::do_write): Ditto.
4957           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4958
4959 2010-01-08  Ian Lance Taylor  <iant@google.com>
4960
4961         PR 11108
4962         * symtab.h (class Symbol): Remove fields is_target_special_ and
4963         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4964         (Symbol::is_defined_in_discarded_section): New function.
4965         (Symbol::set_is_defined_in_discarded_section): New function.
4966         (Symbol::has_plt_offset): Rewrite.
4967         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4968         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4969         Don't initialize is_target_special_ or has_plt_offset_.
4970         Initialize is_defined_in_discarded_section_.
4971         (Symbol_table::add_from_relobj): If appropriate, set
4972         is_defined_in_discarded_section.
4973         * resolve.cc (Symbol::override_base_with_special): Don't test
4974         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4975         * target-reloc.h (relocate_section): Do special handling for
4976         symbols defined in discarded sections for global symbols as well
4977         as local symbols.
4978
4979 2010-01-08  Ian Lance Taylor  <iant@google.com>
4980
4981         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4982         the SHT_SYMTAB case.
4983
4984 2010-01-08  Ian Lance Taylor  <iant@google.com>
4985
4986         * object.cc (Sized_relobj::do_layout): Don't get confused if
4987         layout_eh_frame returns NULL.
4988
4989 2010-01-08  Ian Lance Taylor  <iant@google.com>
4990
4991         PR 11084
4992         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4993         dynamic symbol table, use the normal symbol table.
4994         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4995         symbol table.
4996
4997 2010-01-08  Ian Lance Taylor  <iant@google.com>
4998
4999         PR 11072
5000         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5001         sections.
5002
5003 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5004
5005         * version.cc (print_version): Change to "Copyright 2010".
5006
5007 2010-01-08  Ian Lance Taylor  <iant@google.com>
5008
5009         PR 10287
5010         PR 11063
5011         * i386.cc (class Target_i386): Change return type of plt_section
5012         to be non-const.
5013         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5014         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5015         tls_desc_rel_ field.
5016         (Output_data_plt_i386::rel_tls_desc): New function.
5017         (Target_i386::rel_tls_desc_section): New function.
5018         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5019         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5020         R_386_TLS_DESC reloc in rel_tls_desc_section.
5021         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5022         Define struct Tlsdesc_info.
5023         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5024         (Target_x86_64::do_reloc_symbol_index): New function.
5025         (Target_x86_64::add_tlsdesc_info): New function.
5026         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5027         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5028         tlsdesc_rel_ field.
5029         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5030         all callers.
5031         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5032         (Target_x86_64::rela_tlsdesc_section): New function.
5033         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5034         handling.
5035         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5036         (Target_x86_64::do_reloc_addend): New function.
5037         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5038         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5039         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5040         (Output_reloc::type): New function.
5041         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5042         (Output_reloc::is_target_specific): New function.
5043         (Output_reloc::target_arg): New function.
5044         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5045         absolute relocs and target specific relocs.
5046         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5047         add_target_specific.
5048         (class Output_data_reloc) [SHT_RELA]: Likewise.
5049         * output.cc (Output_reloc::Output_reloc): Add four new versions
5050         for absolute relocs and target specific relocs.
5051         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5052         (Output_reloc::get_symbol_index): Likewise.
5053         (Output_reloc::local_section_offset): Check that local_sym_index_
5054         is not TARGET_CODE or 0.
5055         (Output_reloc::symbol_value): Likewise.
5056         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5057         reloc.
5058         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5059         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5060         functions.
5061         * layout.cc (add_target_dynamic_tags): Use output section for
5062         DT_PLTRELSZ and DT_JMPREL.
5063
5064 2010-01-07  Ian Lance Taylor  <iant@google.com>
5065
5066         PR 11061
5067         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5068         function.
5069         (class Output_data_reloc_generic): Define.
5070         (class Output_data_reloc_base): Change base class to
5071         Output_data_reloc_generic.  Change add() method to call
5072         bump_relative_reloc_count for a relative reloc.  Remove
5073         sort_relocs_ field.
5074         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5075         to sort_relocs().
5076         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5077         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5078         appropriate.
5079         * layout.h (class Layout): Update declaration.
5080
5081 2010-01-07  Ian Lance Taylor  <iant@google.com>
5082
5083         * output.h (class Output_data): Add const version of
5084         output_section and do_output_section.
5085         (class Output_section_data): Add const version of
5086         do_output_section.
5087         (class Output_section): Likewise.
5088         * layout.cc (Layout::add_target_dynamic_tags): New function.
5089         * layout.h (class Layout): Update declarations.
5090         * arm.cc (Target_arm::do_finalize_sections): Use
5091         add_target_dynamic_tags.
5092         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5093         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5094         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5095         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5096
5097 2010-01-07  Ian Lance Taylor  <iant@google.com>
5098
5099         PR 11042
5100         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5101         object as needed.
5102
5103 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5104             Ian Lance Taylor  <iant@google.com>
5105
5106         PR 11019
5107         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5108         Xindex::read_symtab_xindex.
5109
5110 2010-01-07  Doug Kwan  <dougkwan@google.com>
5111
5112         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5113         (Insn_template::thumb16_bcond_insn): New method declaration.
5114         (Insn_template): Fix spelling.
5115         (Stub::thumb16_special): New method declaration.
5116         (Stub::do_write): Define virtual method which was previously pure
5117         virtual.
5118         (Stub::do_thumb16_special): New method declaration.
5119         (Stub::do_fixed_endian_write): New template member.
5120         (Reloc_stub::do_write): Remove.
5121         (Reloc_stub::do_fixed_endian_write): Remove.
5122         (Cortex_a8_stub): New class definition.
5123         (Stub_factory::make_cortex_a8_stub): New method definition.
5124         (Stub_factory::Stub_factory): Add missing static storage class
5125         qualifier for elf32_arm_stub_a8_veneer_blx.
5126
5127 2010-01-07  Ian Lance Taylor  <iant@google.com>
5128
5129         PR 10980
5130         * options.h (class General_options): Add --warn-unresolved-symbols
5131         and --error-unresolved-symbols.
5132         * errors.cc (Errors::undefined_symbol): Implement
5133         --warn-unresolved-symbols.
5134
5135         * options.h (class General_options): Add -z text and -z textoff.
5136         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5137
5138 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5139
5140         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5141         (Garbage_collection::cident_sections): New function.
5142         (Garbage_collection::add_cident_section): New function.
5143         (Garbage_collection::cident_sections_): New member.
5144         (gc_process_relocs): Add references to sections whose names are C
5145         identifiers.
5146         * gold.h (cident_section_start_prefix): New constant.
5147         (cident_section_stop_prefix): New constant.
5148         (is_cident): New function.
5149         * layout.cc (Layout::define_section_symbols): Replace string constants
5150         with the newly defined constants.
5151         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5152         C identifiers.
5153         * testsuite/Makefile.am: Add gc_orphan_section_test.
5154         * testsuite/Makefile.in: Regenerate.
5155         * testsuite/gc_orphan_section_test.cc: New file.
5156         * testsuite/gc_orphan_section_test.sh: New file.
5157
5158 2010-01-06  Ian Lance Taylor  <iant@google.com>
5159
5160         PR 10980
5161         * options.h (class General_options): Add --warn-shared-textrel.
5162         * layout.cc (Layout::finish_dynamic_section): Implement
5163         --warn-shared-textrel.
5164
5165         PR 10980
5166         * options.h (class General_options): Add --warn-multiple-gp.
5167
5168 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5169
5170         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5171         $(THREADSLIB) and $(LIBDL).
5172         * Makefile.in: Rebuild.
5173
5174 2010-01-06  Ian Lance Taylor  <iant@google.com>
5175
5176         PR 10980
5177         * options.cc (General_options::parse_section_start): New function.
5178         (General_options::section_start): New function.
5179         (General_options::General_options): Initialize all members.
5180         * options.h: Include <map>
5181         (class General_options): Add --section-start.  Add section_starts_
5182         member.
5183         * layout.cc (Layout::attach_allocated_section_to_segment): If
5184         --section-start was used, set the address of the segment.  Remove
5185         local sort_sections.
5186         (Layout::relaxation_loop_body): If the address of the load segment
5187         has been set by --section-start, don't use it.
5188         * output.h (Output_segment::update_flags_for_output_section): New
5189         function.
5190         * output.cc (Output_segment::add_output_section): Call
5191         update_flags_for_output_section.
5192
5193 2010-01-05  Ian Lance Taylor  <iant@google.com>
5194
5195         PR 10980
5196         * options.h (class General_options): Add --undefined-version.
5197         * script.cc (struct Version_expression): Add was_matched_by_symbol
5198         field.
5199         (Version_script_info::matched_symbol): New function.
5200         (Version_script_info::get_symbol_version_helper): Call
5201         matched_symbol.
5202         (Version_script_info::check_unmatched_names): New function.
5203         * script.h (class Version_script_info): Update declarations.
5204         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5205
5206         * options.h (class General_options): Use DEFINE_bool_alias for
5207         allow_multiple_definition.
5208         * resolve.cc (Symbol_table::should_override): Don't test
5209         allow_multiple_definition.
5210
5211         PR 10980
5212         * options.h (class General_options): Add --cref.
5213         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5214         until after printing cref table.
5215         * cref.cc: Include "symtab.h".
5216         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5217         (Cref_table_compare::operator()): New function.
5218         (Cref_inputs::gather_cref): New function.
5219         (filecol): New static const.
5220         (Cref_inputs::print_cref): New function.
5221         (Cref::print_cref): New function.
5222         * cref.h: Include <cstdio>.
5223         (class Cref): Update declarations.
5224         * mapfile.h (Mapfile::file): New function.
5225         * object.h (class Object): Define Symbols.  Declare virtual
5226         do_get_global_symbols.
5227         (Object::get_global_symbols): New function.
5228         * object.cc (Input_objects::add_object): Pass object to cref_ if
5229         --cref.
5230         (Input_objects::archive_start): Likewise.
5231         (Input_objects::archive_stop): Likewise.
5232         (Input_objects::print_cref): New function.
5233         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5234         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5235         --cref.
5236         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5237         function.
5238         * plugin.h (class Sized_pluginobj): Update declarations.
5239
5240 2010-01-05  Ian Lance Taylor  <iant@google.com>
5241
5242         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5243         to is_default_version.  Rename insdef to insdefault.
5244         (Symbol_table::add_from_relobj): Rename def to is_default_version
5245         and local to is_forced_local.
5246         (Symbol_table::add_from_pluginobj): Likewise.
5247         (Symbol_table::add_from_dynobj): Likewise.
5248         (Symbol_table::define_special_symbol): Rename insdef to
5249         insdefault.
5250
5251 2010-01-04  Ian Lance Taylor  <iant@google.com>
5252
5253         PR 10980
5254         * options.h (class General_options): Add
5255         --allow-multiple-definition and -z muldefs.
5256         * resolve.cc (Symbol_table::should_override): Don't warn about a
5257         multiple symbol definition if --allow-multiple-definition or -z
5258         muldefs.
5259
5260         PR 10980
5261         * options.h (class General_options): Add --add-needed and
5262         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5263         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5264         error if --copy-dt-needed-entries aka --add-needed is used and
5265         would cause a change in behaviour.
5266
5267         PR 10980
5268         * options.h (class General_options): Add -G as a short version of
5269         --shared.  Add no-op options -assert, -g, and -i.
5270
5271 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5272
5273         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5274         check for .text or .gnu.linkonce.t sections.
5275         * icf.cc (Icf::find_identical_sections): Ditto.
5276         Change the detection for mangled function name within the section
5277         name.
5278         * icf.h (is_section_foldable_candidate): New function.
5279
5280 2009-12-30  Ian Lance Taylor  <iant@google.com>
5281
5282         PR 10980
5283         * options.h (class General_options): Permit two dashes with
5284         --retain-symbols-file.
5285
5286 2009-12-30  Ian Lance Taylor  <iant@google.com>
5287
5288         PR 10979
5289         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5290         don't put the file header and segment headers in the text
5291         segment.
5292
5293         PR 10979
5294         * common.cc (Sort_commons::operator()): Stabilize sort when both
5295         entries are NULL.
5296         (Symbol_table::do_allocate_commons_list): When allocating common
5297         symbols, skip a symbol which is no longer common.
5298         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5299         an object before checking its type.
5300         * testsuite/common_test_2.c: New file.
5301         * testsuite/common_test_3.c: New file.
5302         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5303         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5304         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5305         (common_test_2_pic.o, common_test_2.so): New targets.
5306         (common_test_3_pic.o, common_test_3.so): New targets.
5307         * testsuite/Makefile.in: Rebuild.
5308
5309         PR 10979
5310         * script.cc (read_input_script): If we see a new SECTIONS clause,
5311         and we have added an input section, give an error.
5312         * layout.h (class Layout): Add have_added_input_section function.
5313         Add have_added_input_section_ field.
5314         * layout.cc (Layout::Layout): Initialize
5315         have_added_input_section_.
5316         (Layout::layout): Set have_added_input_section_.
5317         (Layout::layout_eh_frame): Likewise.
5318
5319 2009-12-30  Ian Lance Taylor  <iant@google.com>
5320
5321         PR 10931
5322         * options.h (class General_options): Add --sort-common option.
5323         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5324         * common.cc (Sort_common): Add sort_order parameter to
5325         constructor.  Add sort_order_ field.
5326         (Sort_commons::operator): Check sort_order_.
5327         (Symbol_table::allocate_commons): Determine the sort order.
5328         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5329         Change all callers.
5330         (Symbol_table::do_allocate_commons_list): Likewise.
5331
5332 2009-12-30  Ian Lance Taylor  <iant@google.com>
5333
5334         PR 10916
5335         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5336         symbols from this object, don't change the visibility of an
5337         undefined symbol.
5338         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5339
5340 2009-12-30  Ian Lance Taylor  <iant@google.com>
5341
5342         PR 10861
5343         * script.h (class Version_script_info): Define Language enum.
5344         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5345         new fields globals_, locals_, and is_finalized_.
5346         * script.cc: Various formatting fixes.
5347         (class Parser_closure): Change language_stack_ from a vector of
5348         std::string to one of Version_script_info::Language.  Adjust all
5349         uses accordingly.
5350         (class Lazy_demangler): Remove.
5351         (struct Version_expression): Change language from std::string to
5352         Version_script_info::Language.
5353         (Version_script_info::Version_script_info): New function.
5354         (Version_script_info::~Version_script_info): Don't call clear.
5355         (Version_script_info::finalize): New function.
5356         (Version_script_info::build_lookup_tables): New function.
5357         (Version_script_info::build_expression_list_lookup): New
5358         function.
5359         (Version_script_info::get_symbol_version_helper): Rewrite to use
5360         lookup tables.
5361         (Version_script_info::print_expression_list): Adjust to use
5362         Version_script_info::Language.
5363         (script_push_lex_into_version_mode): Check that the version script
5364         has not been finalized.
5365         (version_script_push_lang): Change language string to
5366         Version_script_info::Language.
5367         * options.cc (Command_line::version_script): New function.
5368         * options.h (class General_options): Add finalize_dynamic_list
5369         function.  Change version_script from declaration to definition.
5370         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5371         * testsuite/version_script.map: Remove duplicate def of foo.
5372         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5373         version_script.map.
5374         * testsuite/Makefile.in: Rebuild.
5375
5376 2009-12-30  Ian Lance Taylor  <iant@google.com>
5377
5378         PR 10843
5379         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5380         if the input symbol index is 0, make the output symbol index 0.
5381
5382 2009-12-30  Ian Lance Taylor  <iant@google.com>
5383
5384         PR 10670
5385         * options.h (class General_options): Add -x/--discard-all.
5386         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5387         --discard-all.  If the local symbol needs a dynamic entry, check
5388         that before handling --discard-locals.
5389
5390 2009-12-30  Ian Lance Taylor  <iant@google.com>
5391
5392         PR 10450
5393         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5394         flags to PF_R.
5395         (Output_segment::add_output_section): Don't change the flags if
5396         the type is PT_TLS.
5397
5398         PR 10450
5399         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5400         GNU hash table if they need a dynamic value.  Otherwise, don't add
5401         them if they are defined in a dynamic object or are forced local.
5402
5403 2009-12-29  Ian Lance Taylor  <iant@google.com>
5404
5405         PR 10450
5406         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5407         .gnu.hash table for a 32-bit target.
5408
5409         PR 10450
5410         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5411         regular and a dynamic object only needs a dynamic symbol table
5412         entry if it is externally visible.
5413
5414         PR 10450
5415         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5416         constructor.  Add global_offset_table_ field.
5417         (Target_i386::got_section): Set global_offset_table_.
5418         (Target_i386::do_finalize_sections): Set global_offset_table_
5419         size.
5420         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5421         in constructor.  Add global_offset_table_ field.
5422         (Target_x86_64::got_section): Set global_offset_table_.
5423         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5424         size.
5425
5426         * layout.cc (Layout::Layout): Initialize increase_relro_.
5427         (Layout::get_output_section): Add is_relro, is_last_relro, and
5428         is_first_non_relro parameters.  Change all callers.
5429         (Layout::choose_output_section): Likewise.
5430         (Layout::add_output_section_data): Likewise.
5431         (Layout::make_output_section): Likewise.
5432         (Layout::set_segment_offsets): Clear increase_relro when using a
5433         linker script.
5434         * layout.h (class Layout): Add increase_relro method.  Add
5435         increase_relro_ field.  Update declarations.
5436         * output.cc (Output_section::Output_section): Initialize
5437         is_last_relro_ and is_first_non_relro_.
5438         (Output_segment::add_output_section): Group relro sections is
5439         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5440         (Output_segment::maximum_alignment): Remove relro handling.
5441         (Output_segment::set_section_addresses): Add increase_relro
5442         parameter.  Change all callers.  Add initial alignment to align
5443         relro sections on separate page.  Remove old relro handling.
5444         (Output_segment::set_section_list_addresses): Remove in_relro
5445         parameter.  Change all callers.
5446         (Output_segment::set_offset): Add increase parameter.  Change all
5447         callers.  Remove old relro handling.
5448         * output.h (class Output_section): Add new methods: is_last_relro,
5449         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5450         Add is_last_relro_ and is_first_non_relro_ fields.
5451         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5452         Create separate .got.plt section.  Call increase_relro.
5453         * x86_64.cc (Target_x86_64::got_section): Likewise.
5454         * testsuite/relro_script_test.t: Add .got.plt.
5455
5456         PR 10450
5457         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5458         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5459         (Layout::finalize): Call set_dynamic_symbol_size.
5460         (Layout::set_dynamic_symbol_size): New function.
5461         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5462         set_dynamic_symbol_size.
5463
5464         PR 10450
5465         * output.h (class Output_section): Add is_entsize_zero_ field.
5466         * output.cc (Output_section::Output_section): Initialize
5467         is_entsize_zero_.
5468         (Output_section::set_entsize): If two different entsizes are
5469         requested, force it to zero.
5470         (Output_section::add_input_section): Set flags for .debug_str
5471         before updating section flags.  Set entsize.
5472         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5473         and SHF_STRING if all input sections have those flags.
5474
5475 2009-12-29   Rafael Espindola  <espindola@google.com>
5476
5477         * main.cc (main): Fix the sys time reporting.
5478         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5479         reporting.
5480
5481 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5482
5483         * options.cc (General_options::parse_version): Allow -v to exit
5484         without an error if there is nothing to link.
5485
5486 2009-12-29  Ian Lance Taylor  <iant@google.com>
5487
5488         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5489         using a version of gcc before 4.1.
5490         * configure: Rebuild.
5491
5492 2009-12-28  Chris Demetriou  <cgd@google.com>
5493
5494         * attributes.cc (Output_attributes_section_data::do_write): Use
5495         std::vector::front rather than std::vector::data.
5496
5497 2009-12-28  Ian Lance Taylor  <iant@google.com>
5498
5499         * symtab.h (class Symbol_table): Add enum Defined.
5500         * resolve.cc (Symbol_table::should_override): Add defined
5501         parameter.  Change all callers.  Test whether object is NULL
5502         before calling a method on it.
5503         (Symbol_table::report_resolve_problem): Add defined parameter.
5504         Change all callers.
5505         (Symbol_table::should_override_with_special): Likewise.
5506         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5507         parameter.  Change all callers.
5508         (Symbol_table::do_define_in_output_data): Likewise.
5509         (Symbol_table::define_in_output_segment): Likewise.
5510         (Symbol_table::do_define_in_output_segment): Likewise.
5511         (Symbol_table::define_as_constant): Likewise.
5512         (Symbol_table::do_define_as_constant): Likewise.
5513         * script.h (class Symbol_assignment): Add is_defsym parameter to
5514         constructor; change all callers.
5515         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5516         parameter.  Change all callers.  Add is_defsym_ field.
5517         (class Parser_closure): Add parsing_defsym parameter to
5518         constructor; change all callers.  Add parsing_defsym accessor
5519         function.  Add parsing_defsym_ field.
5520
5521 2009-12-28  Ian Lance Taylor  <iant@google.com>
5522
5523         * gold.cc (queue_middle_tasks): Fix formatting.
5524         * object.cc (Relobj::is_section_name_included): Likewise.
5525
5526 2009-12-23  Ian Lance Taylor  <iant@google.com>
5527
5528         * i386.cc (Target_i386::do_calls_non_split): Recognize
5529         -fsplit-stack prologue for a function with a static chain.
5530         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5531         -fsplit-stack prologue when using %r11.
5532
5533 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5534
5535         * options.cc (General_options::parse_version): Make -v continue and do
5536         the link like GNU ld does.
5537
5538 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5539
5540         * Makefile.am (CCFILES): Add timer.cc.
5541         (HFILES): Add timer.h.
5542         * configure.ac: Check for sysconf and times.
5543         * main.cc: include timer.h.
5544         (main): Use Timer instead of get_run_time.
5545         * timer.cc: New.
5546         * timer.h: New.
5547         * workqueue.cc: include timer.h.
5548         (Workqueue::find_and_run_task):
5549         Report user, sys and wall time.
5550         * Makefile.in: Regenerate.
5551         * config.in: Regenerate.
5552         * configure: Regenerate.
5553
5554 2009-12-16  Doug Kwan  <dougkwan@google.com>
5555
5556         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5557         sections.
5558         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5559         relaxed input sections.
5560         * output.cc (Output_section::find_relaxed_input_section): Change
5561         return type to Output_relaxed_input_section pointer.  Adjust code
5562         for new type of relaxed_input_section_map_.
5563         * output.h (Output_section::find_relaxed_input_section): Change
5564         return type to Output_relaxed_input_section pointer.
5565         (Output_section::Output_relaxed_input_section_by_input_section_map):
5566         New type.
5567         (Output_section::relaxed_input_section_map_): Change type to
5568         Output_section::Output_relaxed_input_section_by_input_section_map.
5569         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5570         input section.
5571
5572 2009-12-15  Ian Lance Taylor  <iant@google.com>
5573
5574         * layout.cc (Layout::create_shstrtab): Only write out after input
5575         sections if we are compressing debug sections.
5576
5577 2009-12-15  Ian Lance Taylor  <iant@google.com>
5578
5579         * archive.cc (Archive::add_symbols): Only look up a symbol without
5580         a version if there is, in fact, a version.
5581
5582 2009-12-14  Ian Lance Taylor  <iant@google.com>
5583
5584         Revert -Wshadow changes, all changes from:
5585         2009-12-11  Doug Kwan  <dougkwan@google.com>
5586         2009-12-11  Nick Clifton  <nickc@redhat.com>
5587         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5588
5589 2009-12-11  Doug Kwan  <dougkwan@google.com>
5590
5591         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5592         due to -Wshadow.
5593         * attributes.cc (Object_attribute::size): Ditto.
5594         (Attributes_section_data::size): Ditto.
5595         (Attributes_section_data::Attributes_section_data): Ditto.
5596         (Output_attributes_section_data::do_write): Ditto.
5597         * attributes.h (Object_attribute::set_type): Ditto.
5598         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5599
5600 2009-12-11  Nick Clifton  <nickc@redhat.com>
5601
5602         * archive.cc: Fix shadowed variable warnings.
5603         * arm.cc: Likewise.
5604         * compressed_output.cc: Likewise.
5605         * compressed_output.h: Likewise.
5606         * configure: Likewise.
5607         * dwarf_reader.cc: Likewise.
5608         * dynobj.cc: Likewise.
5609         * dynobj.h: Likewise.
5610         * ehframe.cc: Likewise.
5611         * ehframe.h: Likewise.
5612         * errors.cc: Likewise.
5613         * expression.cc: Likewise.
5614         * fileread.cc: Likewise.
5615         * fileread.h: Likewise.
5616         * freebsd.h: Likewise.
5617         * i386.cc: Likewise.
5618         * icf.cc: Likewise.
5619         * incremental.h: Likewise.
5620         * layout.cc: Likewise.
5621         * layout.h: Likewise.
5622         * mapfile.cc: Likewise.
5623         * merge.cc: Likewise.
5624         * merge.h: Likewise.
5625         * object.cc: Likewise.
5626         * object.h: Likewise.
5627         * options.h: Likewise.
5628         * output.cc: Likewise.
5629         * output.h: Likewise.
5630         * parameters.cc: Likewise.
5631         * plugin.cc: Likewise.
5632         * powerpc.cc: Likewise.
5633         * reduced_debug_output.cc: Likewise.
5634         * reduced_debug_output.h: Likewise.
5635         * reloc.cc: Likewise.
5636         * reloc.h: Likewise.
5637         * resolve.cc: Likewise.
5638         * script-sections.cc: Likewise.
5639         * script.cc: Likewise.
5640         * script.h: Likewise.
5641         * sparc.cc: Likewise.
5642         * symtab.cc: Likewise.
5643         * symtab.h: Likewise.
5644         * target-select.cc: Likewise.
5645         * target-select.h: Likewise.
5646         * token.h: Likewise.
5647         * workqueue.cc: Likewise.
5648         * workqueue.h: Likewise.
5649         * x86_64.cc: Likewise.
5650
5651 2009-12-10  Doug Kwan  <dougkwan@google.com>
5652
5653         * arm.cc (attributes.h): New include.
5654         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5655         (Arm_relobj::~Arm_relobj): Delete object pointed by
5656         attributes_section_data_.
5657         (Arm_relobj::attributes_section_data): New method definition.
5658         (Arm_relobj::attributes_section_data_): New data member declaration.
5659         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5660         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5661         attributes_section_data_.
5662         (Arm_dynobj::attributes_section_data): New method definition.
5663         (Arm_dynobj::attributes_section_data_): New data member declaration.
5664         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5665         initialization value of may_use_blx_ to false.
5666         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5667         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5668         object attributes to compute results instead of hard-coding.
5669         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5670         Target_arm::get_secondary_compatible_arch,
5671         Target_arm::set_secondary_compatible_arch
5672         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5673         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5674         New method declarations.
5675         (Target_arm::get_aeabi_object_attribute): New method definition.
5676         (Target_arm::attributes_section_data_): New data member declaration.
5677         (read_arm_attributes_section): New template definition.
5678         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5679         (Arm_dynobj::do_read_symbols): Ditto.
5680         (Target_arm::do_finalize_sections): Merge attributes sections from
5681         input.  Check for BLX use after attributes section merging.
5682         Fix __exidx_start and __exidx_end visibility.  Create an
5683         .ARM.attributes section if necessary.
5684         (Target_arm::get_secondary_compatible_arch,
5685         Target_arm::set_secondary_compatible_arch,
5686         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5687         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5688         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5689         New method definitions.
5690
5691 2009-12-09  Ian Lance Taylor  <iant@google.com>
5692
5693         * plugin.cc (Plugin::load): Don't cast from void* to a function
5694         pointer.
5695
5696 2009-12-09  Ian Lance Taylor  <iant@google.com>
5697
5698         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5699         information fields.
5700
5701 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5702
5703         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5704         Replace two_file_shared_1.so with two_file_shared_2.so.
5705         * testsuite/Makefile.in: Regenerated.
5706
5707 2009-12-08  Doug Kwan  <dougkwan@google.com>
5708
5709         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5710         (HFILES): Add attributes.h and int_encoding.h.
5711         * Makefile.in: Regenerate.
5712         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5713         function definitions to int_encoding.cc
5714         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5715         prototypes to int_encoding.h
5716         * reduced_debug_output.cc (int_encoding.h): New include.
5717         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5718         function definitions to int_encoding.cc
5719         (insert_into_vector, read_from_pointer): Move template definitions to
5720         int_encoding.h
5721         * attributes.cc: New file.
5722         * attributes.h: New file.
5723         * int_encoding.cc: New file.
5724         * int_encoding.h: New file.
5725
5726 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5727
5728         PR gold/11055
5729         * incremental-dump.cc (dump_incremental_inputs): New.
5730         (main): Use dump_incremental_inputs.
5731
5732 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5733
5734         PR gold/10893
5735         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5736         checking elfcpp::STT_FUNC.
5737         (Target_i386::Relocate::relocate): Likewise.
5738         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5739
5740         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5741         symbols from shared libraries into normal FUNC symbols.
5742
5743         * symtab.h (Symbol): Add is_func and use it.
5744
5745 2009-12-05  Doug Kwan  <dougkwan@google.com>
5746
5747         * arm.cc (Target_arm::arm_info): Initialize new fields
5748         attributes_section and attributes_vendor.
5749         * i386.cc (Target_i386::i386_info): Same.
5750         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5751         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5752         fields attributes_section and attributes_vendor.
5753         * sparc.cc (Target_sparc::sparc_info): Same.
5754         * target.h (Target::attributes_section, Target::attributes_vendor,
5755         Target::is_attributes_section, Target::attribute_arg_type,
5756         Target::attributes_order): New method definitions.
5757         (Target::Target_info::attributes_section,
5758         Target::Target_info::attributes_vendor): New fields.
5759         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5760         virtual method definitions.
5761         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5762         attributes_section and attributes_vendor.
5763         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5764
5765 2009-12-05  Doug Kwan  <dougkwan@google.com>
5766
5767         * arm.cc: Update comments about interworking and stub generation.
5768         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5769         considered as non-PIC.
5770         (Arm_relocate_functions::base_abs): Fix formatting.
5771         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5772         of function to use GOT entry address instead of offset.
5773         (Target_arm::Scan::global): Issue an error if a symbol would need a
5774         PLT does not get one because it is untyped.  Remove code to create
5775         dynamic symbols for relative branches.
5776         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5777         takes unsigned integer instead of boolean.
5778
5779 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5780
5781         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5782         (two_file_test_LDADD): Likewise.
5783         (common_test_1_LDADD): Likewise.
5784         (exception_test_LDADD) Likewise.
5785         (weak_test_LDADD): Likewise.
5786         (many_sections_test_LDADD): Likewise.
5787         (initpri1_LDADD): Likewise.
5788         (script_test_1_LDADD): Likewise.
5789         (script_test_2_LDADD): Likewise.
5790         (justsyms_LDADD): Likewise.
5791         (binary_test_LDADD): Likewise.
5792         (large_LDADD): Likewise.
5793         * testsuite/Makefile.in: Regenerated.
5794
5795 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5796
5797         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5798         (Symbol_table::override_with_special): Likewise.
5799         (Symbol_table::add_from_object): Likewise.
5800
5801 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5802
5803         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5804         Don't set the data_offset twice.
5805
5806 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5807
5808         * testsuite/Makefile.in: Regenerate.
5809
5810 2009-12-03  Doug Kwan  <dougkwan@google.com>
5811
5812         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5813         (Target_arm::do_finalize_sections): Add parameter for symbol table
5814         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5815         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5816         parameter for symbol table pointer.
5817         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5818         an additional parameter for a pointer to symbol table.
5819         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5820         parameter for a symbol table pointer.
5821         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5822         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5823         Ditto.
5824         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5825         parameter for a symbol table pointer.
5826
5827 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5828
5829         * incremental.cc (Incremental_inputs_header)
5830         (Incremental_inputs_header_write, Incremental_inputs_entry)
5831         (Incremental_inputs_entry_write): Move ...
5832         * incremental.h (Incremental_inputs_header)
5833         (Incremental_inputs_header_write, Incremental_inputs_entry)
5834         (Incremental_inputs_entry_write): here.
5835
5836 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5837
5838         * incremental.cc (make_sized_incremental_binary): Set the target.
5839         Error if it is incompatible.
5840         * output.h (Output_file): Add filename method.
5841
5842 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5843
5844         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5845         from the get_* methods.
5846
5847 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5848
5849         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5850         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5851         Write 0 for the data_offset of scripts.
5852
5853 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5854
5855         * testsuite/Makefile.am: Add the incremental_test.sh test.
5856         * testsuite/incremental_test.sh: New.
5857         * testsuite/incremental_test_1.c: New.
5858         * testsuite/incremental_test_2.c: New.
5859
5860 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5861
5862        * incremental-dump.cc (main): Fix typos.
5863
5864 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5865
5866         PR gold/11025
5867         * incremental-dump.cc (main): Use llu to print 64 bit values.
5868
5869 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5870             H.J. Lu  <hongjiu.lu@intel.com>
5871
5872         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5873         $(LIBDL).
5874         (incremental_dump_LDADD): Likewise.
5875         * Makefile.in: Regenerated.
5876
5877 2009-11-25  Doug Kwan  <dougkwan@google.com>
5878
5879         Revert:
5880
5881         2009-11-25  Doug Kwan  <dougkwan@google.com>
5882
5883                 * arm.cc (Target_arm::Target_arm): Move method definition
5884                 outside of class definition.  Add code to handle
5885                 --target1-rel, --target1-abs and --target2= options.
5886                 (Target_arm::get_reloc_reloc_type): Change method to be
5887                 non-static and const.
5888                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5889                 New data member declaration.
5890                 (Target_arm::Scan::local, Target_arm::Scan::global,
5891                 Target_arm::Relocate::relocate,
5892                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5893                 Adjust call to Target_arm::get_real_reloc_type.
5894                 (Target_arm::get_real_reloc_type): Use command line options
5895                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5896                 * options.h (--target1-rel, --target1-abs, --target2): New
5897                 ARM-only options.
5898
5899 2009-11-25  Doug Kwan  <dougkwan@google.com>
5900
5901         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5902         class definition.  Add code to handle --target1-rel, --target1-abs
5903         and --target2= options.
5904         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5905         and const.
5906         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5907         member declaration.
5908         (Target_arm::Scan::local, Target_arm::Scan::global,
5909         Target_arm::Relocate::relocate,
5910         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5911         call to Target_arm::get_real_reloc_type.
5912         (Target_arm::get_real_reloc_type): Use command line options to
5913         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5914         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5915         options.
5916
5917 2009-11-25  Doug Kwan  <dougkwan@google.com>
5918
5919         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5920         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5921         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5922         formatting.
5923         (Arm_relocate_functions::thm_call): Replace body with a call to
5924         Arm_relocate_functions::thumb_branch_common.
5925         (Arm_relocate_functions::thm_jump24,
5926         Arm_relocate_functions::thm_xpc22): New method definitions.
5927         (Arm_relocate_functions::thumb_branch_common): New method definition.
5928         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5929         operator.
5930         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5931         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5932
5933 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5934
5935         * Makefile.am: Build incremental-dump
5936         * Makefile.in: Regenerate.
5937         * incremental-dump.cc: New.
5938         * incremental.cc (Incremental_inputs_header_data,
5939         Incremental_inputs_entry_data): Move to incremental.h
5940         * incremental.h: (Incremental_inputs_header_data,
5941         Incremental_inputs_entry_data): Move from incremental.cc
5942
5943 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5944
5945         * incremental.cc (Incremental_inputs_header,
5946         Incremental_inputs_header_write, Incremental_inputs_entry,
5947         Incremental_inputs_entry_write): Add a typedef with the data type.
5948
5949 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5950
5951         * incremental.cc (Incremental_inputs_header,
5952         Incremental_inputs_header_write, Incremental_inputs_entry,
5953         Incremental_inputs_entry_write): Update comment about which
5954         type has the filed descriptions.
5955
5956 2009-11-15  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5959         (Arm_relocate_functions::arm_branch_common): Change method defintion
5960         in class definition to a method declaration and update list of formal
5961         parameters.
5962         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5963         Arm_relocation_functions::jump24): Adjust call to
5964         Arm_relocate_functions::arm_branch_common.  Update list of formal
5965         parameters.
5966         (Arm_relocate_functions::xpc25): New method definition.
5967         (Arm_relocate_functions::arm_branch_common): Move method defintion
5968         out from class definition.  Use stubs for mode-switching and extending
5969         branch ranges.
5970         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5971         specially.  Change code to enable use of stubs in ARM branches.
5972
5973 2009-11-10  Doug Kwan  <dougkwan@google.com>
5974
5975         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5976         in method declaration.
5977         (Target_arm::relocate_stub): New method declaration.
5978         (Target_arm::default_target): Change to return a pointer instead of
5979         a const reference.
5980         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5981         Target_arm::default_target.
5982         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5983         method definition.
5984         (Target_arm::relocate_section): Adjust view.
5985         (Target_arm::relocate_stub): New method definition.
5986
5987 2009-11-10  Doug Kwan  <dougkwan@google.com>
5988
5989         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5990         a format warning.
5991         * incremental.cc (open_incremental_binary): Initialized local
5992         variables to avoid warnings.
5993         * object.cc (make_elf_object): Ditto.
5994         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5995         a format warning.
5996
5997 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5998
5999         PR gold/10930
6000         * testsuite/plugin_test.c: Include "config.h".
6001
6002 2009-11-09  Doug Kwan  <dougkwan@google.com>
6003
6004         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6005         (arm_symbol_value): Remove.
6006         (Arm_relocate_functions::arm_branch_common,
6007         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6008         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6009         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6010         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6011         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6012         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6013         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6014         Arm_relocate_functions::thm_mobw_abs_nc,
6015         Arm_relocate_functions::thm_mov_abs,
6016         Arm_relocate_functions::movw_prel_nc,
6017         Arm_relocate_functions::thm_movt_abs,
6018         Arm_relocate_functions::movt_prel,
6019         Arm_relocate_functions::thm_movw_prel_nc,
6020         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6021         (Target_arm::Relocate::relocate): Only decompose address into two
6022         parts if relocation type uses the thumb-bit and pass the actual
6023         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6024         calls to methods in Arm_relocate_functions for this change.
6025
6026 2009-11-08  Ian Lance Taylor  <iant@google.com>
6027
6028         PR 10925
6029         * reloc.cc: Instantiate
6030         Sized_relobj::initialize_input_to_output_maps and
6031         Sized_relobj:free_input_to_output_maps.
6032
6033 2009-11-06  Ian Lance Taylor  <iant@google.com>
6034
6035         PR 10876
6036         * defstd.cc (in_segment): Set only_if_ref true for "end".
6037
6038 2009-11-06  Doug Kwan  <dougkwan@google.com>
6039
6040         * arm.cc (class Reloc_stub): Correct a comment.
6041         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6042         (Target_arm::scan_section_for_stubs): New method declaration.
6043         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6044         Change methods from private to protected.
6045         (Target_arm::do_may_relax): New method definition.
6046         (Target_arm::do_relax, Target_arm::group_sections,
6047         Target_arm::scan_reloc_for_stub,
6048         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6049         (Target_arm::arm_input_section_map_): New data member declaration.
6050         (Target_arm::scan_reloc_for_stub,
6051         Target_arm::scan_reloc_section_for_stubs,
6052         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6053         Target_arm::do_relax): New method definitions.
6054
6055 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6056
6057         * configure.ac: Check for (struct stat)::st_mtim
6058         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6059         * config.in: Regenerate.
6060         * configure: Regenerate.
6061
6062 2009-11-05  Ian Lance Taylor  <iant@google.com>
6063
6064         PR 10910
6065         * output.cc (Output_segment::add_output_section): Add missing
6066         return statement.
6067
6068 2009-11-04  Ian Lance Taylor  <iant@google.com>
6069
6070         PR 10880
6071         * object.h (class Object): Add is_needed and set_is_needed
6072         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6073         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6074         defined in a dynamic object and referenced by a regular object,
6075         set is_needed for the dynamic object.
6076         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6077         if the file is marked with as_needed and it is not needed.
6078
6079 2009-11-04  Ian Lance Taylor  <iant@google.com>
6080
6081         PR 10887
6082         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6083         tags if data is discarded by linker script.
6084         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6085         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6086         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6087         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6088
6089 2009-11-04  Ian Lance Taylor  <iant@google.com>
6090
6091         * layout.cc (Layout::get_output_section): Add is_interp and
6092         is_dynamic_linker_section parameters.  Change all callers.
6093         (Layout::choose_output_section): Likewise.
6094         (Layout::make_output_section): Likewise.
6095         (Layout::add_output_section_data): Add is_dynamic_linker_section
6096         parameter.  Change all callers.
6097         * layout.h (class Layout): Update declarations.
6098         * output.h (class Output_section): Add is_interp, set_is_interp,
6099         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6100         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6101         generate_code_fills_at_write_ to a bitfield.
6102         * output.cc (Output_section::Output_sections): Initialize new
6103         fields.
6104         (Output_segment::add_output_section): Add do_sort parameter.
6105         Change all callers.
6106
6107 2009-11-03  Ian Lance Taylor  <iant@google.com>
6108
6109         PR 10860
6110         * options.h (class General_options): Add --warn-common.
6111         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6112         merging two common symbols.
6113         (Symbol_table::should_override): Handle --warn-common when merging
6114         a common symbol with a defined symbol.  Use report_resolve_problem
6115         for multiple definitions.
6116         (Symbol_table::report_resolve_problem): New function.
6117         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6118
6119 2009-11-03  Doug Kwan  <dougkwan@google.com>
6120
6121         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6122         stub_factory_.
6123         (Target_arm::stub_factory): New method definition.
6124         (Target_arm::new_arm_input_section,
6125         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6126         Target_arm::reloc_uses_thumb_bit): New method declarations.
6127         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6128         New type definitions.
6129         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6130         member declarations.
6131         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6132         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6133         New method definitions.
6134
6135 2009-11-03  Ian Lance Taylor  <iant@google.com>
6136
6137         * options.h (class General_options): Add --warn_constructors.
6138
6139 2009-11-03  Ian Lance Taylor  <iant@google.com>
6140
6141         PR 10893
6142         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6143         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6144
6145 2009-11-03  Ian Lance Taylor  <iant@google.com>
6146
6147         PR 10895
6148         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6149         --msgid-bugs-address.
6150         (install-pdf): New target.
6151         (install-data_yes): Look up one directory to find mkinstalldirs.
6152
6153 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6154
6155         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6156         tree.
6157
6158 2009-10-30  Doug Kwan  <dougkwan@google.com>
6159
6160         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6161
6162 2009-10-30  Doug Kwan  <dougkwan@google.com>
6163
6164         * arm.cc (Stub_addend_reader): New struct template definition
6165         and partial specializations.
6166         (Stub_addend_reader::operator()): New method definition for a
6167         partially specialized template.
6168
6169 2009-10-30  Doug Kwan  <dougkwan@google.com>
6170
6171         * arm.cc (Arm_relobj::processor_specific_flags): New method
6172         definition.
6173         (Arm_relobj::do_read_symbols): New method declaration.
6174         (Arm_relobj::processor_specific_flags_): New data member declaration.
6175         (Arm_dynobj): New class definition.
6176         (Target_arm::do_finalize_sections): Add input_objects parameter.
6177         (Target_arm::do_adjust_elf_header): New method declaration.
6178         (Target_arm::are_eabi_versions_compatible,
6179         (Target_arm::merge_processor_specific_flags): New method declaration.
6180         (Target_arm::do_make_elf_object): New overloaded method definitions
6181         and declaration.
6182         (Arm_relobj::do_read_symbols): New method definition.
6183         (Arm_dynobj::do_read_symbols): Ditto.
6184         (Target_arm::do_finalize_sections): Add input_objects parameters.
6185         Merge processor-specific flags from all input objects.
6186         (Target_arm::are_eabi_versions_compatible,
6187         Target_arm::merge_processor_specific_flags,
6188         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6189         New method definitions.
6190         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6191         Input_objects pointer type parameter.
6192         * layout.cc (Layout::finalize): Pass input objects to target's.
6193         finalize_sections function.
6194         * output.cc (Output_file_header::do_sized_write): Set ELF file
6195         header's processor-specific flags.
6196         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6197         Input_objects pointer type parameter.
6198         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6199         * target.h (Input_objects): New forward class declaration.
6200         (Target::processor_specific_flags,
6201         Target::are_processor_specific_flags_sect): New method definitions.
6202         (Target::finalize_sections): Add input_objects parameter.
6203         (Target::Target): Initialize processor_specific_flags_ and
6204         are_processor_specific_flags_set_.
6205         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6206         parameter.
6207         (Target::set_processor_specific_flags): New method definition.
6208         (Target::processor_specific_flags_,
6209         Target::are_processor_specific_flags_set_): New data member
6210         declarations.
6211         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6212         Input_objects pointer type parameter.
6213
6214 2009-10-30  Doug Kwan  <dougkwan@google.com>
6215
6216         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6217
6218 2009-10-28  Ian Lance Taylor  <iant@google.com>
6219
6220         * object.h (class Relobj): Drop options parameter from
6221         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6222         do_scan_relocs, do_relocate.  Change all callers.
6223         (class Sized_relobj): Drop options parameters from
6224         do_gc_process_relocs, do_scan_relocs, do_relocate,
6225         do_relocate_sections, relocate_sections, emit_relocs_scan,
6226         emit_relocs_scan_reltype.  Change all callers.
6227         (struct Relocate_info): Remove options field and all references to
6228         it.
6229         * reloc.h (class Read_relocs): Remove options constructor
6230         parameter and options_ field.  Change all callers.
6231         (class Gc_process_relocs, class Scan_relocs): Likewise.
6232         (class Relocate_task): Likewise.
6233         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6234         all callers.
6235         (scan_relocatable_relocs): Likewise.
6236         * target.h (class Sized_target): Remove options parameter from
6237         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6238         all callers.
6239         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6240         callers.
6241         * arm.cc: Update functions to remove options parameters.
6242         * i386.cc: Likewise.
6243         * powerpc.cc: Likewise.
6244         * sparc.cc: Likewise.
6245         * x86_64.cc: Likewise.
6246         * testsuite/testfile.cc: Likewise.
6247
6248 2009-10-28  Doug Kwan  <dougkwan@google.com>
6249
6250         * arm.cc (Arm_relobj): New class definition.
6251         (Arm_relobj::scan_sections_for_stubs,
6252         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6253         New method definitions.
6254
6255 2009-10-28  Cary Coutant  <ccoutant@google.com>
6256
6257         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6258         (Plugin::cleanup_done_): New member.
6259         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6260         (Plugin_manager::cleanup_done_): Remove.
6261         (Plugin_manager::add_input_file): Edit error message.
6262         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6263         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6264
6265 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6266
6267         * fileread.cc: (File_read::View::~View): Use the new
6268         data_ownership_ filed.
6269         (File_read::~File_read): Dispose the new whole_file_view_.
6270         (File_read::open): Mmap the whole file if needed.
6271         (File_read::open): Use whole_file_view_ instead of contents_.
6272         (File_read::find_view): Use whole_file_view_ if applicable.
6273         (File_read::do_read): Use whole_file_view_ instead of contents_.
6274         (File_read::make_view): Use whole_file_view_ instead of contents_,
6275         update File_read::View::View call.
6276         (File_read::find_or_make_view): Update File_read::View::View
6277         call.
6278         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6279         remove contents_
6280         (File_read::View::Data_ownership): New enum.
6281         (File_read::View::View): Replace bool mapped_ with Data_ownership
6282         argument.
6283         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6284         (File_read::View::data_ownership_): New field.
6285         (File_read::contents_): Remove (replaced by whole_file_view_).
6286         (File_read::whole_file_view_): New field.
6287         * options.h (class General_options): Add --keep-files-mapped.
6288
6289 2009-10-27  Cary Coutant  <ccoutant@google.com>
6290
6291         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6292         * testsuite/Makefile.am (plugin_test_5): New test case.
6293         * testsuite/Makefile.in: Regenerate.
6294
6295 2009-10-25  Doug Kwan  <dougkwan@google.com>
6296
6297         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6298         from private to protected to allow access by child class.
6299         (Sized_relobj::do_relocate_sections): New method declaration.
6300         (Sized_relobj::relocate_sections): Virtualize.
6301         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6302         Sized_relobj::relocate_sections.  Instantiate template explicitly
6303         for different target sizes and endianity.
6304
6305 2009-10-24  Doug Kwan  <dougkwan@google.com>
6306
6307         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6308         (Arm_input_section::as_arm_input_section): New method.
6309         (Arm_output_section): New class definition.
6310         (Arm_output_section::create_stub_group,
6311         Arm_output_section::group_sections): New method definitions.
6312
6313 2009-10-22  Doug Kwan  <dougkwan@google.com>
6314
6315         * arm.cc (Arm_input_section): New class definition.
6316         (Arm_input_section::init, Arm_input_section:do_write,
6317         Arm_input_section::set_final_data_size,
6318         Arm_input_section::do_reset_address_and_file_offset): New method
6319         definitions.
6320
6321 2009-10-21  Doug Kwan  <dougkwan@google.com>
6322
6323         * arm.cc (Stub_table, Arm_input_section): New forward class
6324         declarations.
6325         (Stub_table): New class defintion.
6326         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6327         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6328         New method definition.
6329
6330 2009-10-21  Doug Kwan  <dougkwan@google.com>
6331
6332         * arm.cc: Update copyright comments.
6333         (Target_arm): New forward class template declaration.
6334         (Arm_address): New type.
6335         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6336         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6337         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6338         constants.
6339         (Insn_template): Same.
6340         (DEF_STUBS): New macro.
6341         (Stub_type): New enum type.
6342         (Stub_template): New class definition.
6343         (Stub): Same.
6344         (Reloc_stub): Same.
6345         (Stub_factory): Same.
6346         (Target_arm::Target_arm): Initialize may_use_blx_ and
6347         should_force_pic_veneer_.
6348         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6349         Target_arm::should_force_pic_veneer,
6350         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6351         Target_arm::using_thumb_only, Target_arm:;default_target): New
6352         method defintions.
6353         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6354         New data member declarations.
6355         (Insn_template::size, Insn_template::alignment): New method defintions.
6356         (Stub_template::Stub_template): New method definition.
6357         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6358         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6359         (Stub_factory::Stub_factory): New method definition.
6360         * gold.h (string_hash): New template.
6361         * output.h (Input_section_specifier::hash_value): Use
6362         gold::string_hash.
6363         (Input_section_specifier::string_hash): Remove.
6364         * stringpool.cc (Stringpool_template::string_hash): Use
6365         gold::string_hash.
6366
6367 2009-10-20  Doug Kwan  <dougkwan@google.com>
6368
6369         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6370         symbols of relaxed input sections.
6371         * output.h (Output_section::find_relaxed_input_section): Make
6372         method public.
6373
6374 2009-10-16  Doug Kwan  <dougkwan@google.com>
6375
6376         * dynobj.cc (Versions::Versions): Initialize version_script_.
6377         Only insert base version symbol definition for a shared object
6378         if version script defines any version versions.
6379         (Versions::define_base_version): New method definition.
6380         (Versions::add_def): Check that base version is not needed.
6381         (Versions::add_need): Define base version lazily.
6382         * dynobj.h (Versions::define_base_version): New method declaration.
6383         (Versions::needs_base_version_): New data member declaration.
6384         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6385         (check_DATA): Add no_version_test.stdout.
6386         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6387         New make rules.
6388         * testsuite/Makefile.in: Regenerate.
6389         * testsuite/no_version_test.c: New file.
6390         * testsuite/no_version_test.sh: Ditto.
6391
6392 2009-10-16  Doug Kwan  <dougkwan@google.com>
6393
6394         * expression.cc (class Segment_start_expression): New class definition.
6395         (Segment_start_expression::value): New method definition.
6396         (script_exp_function_segment_start): Return a new
6397         Segment_start_expression.
6398         * gold/script-c.h (script_saw_segment_start_expression): New function
6399         prototype.
6400         * script-sections.cc (Script_sections::Script_sections): Initialize
6401         SAW_SEGMENT_START_EXPRESSION_ to false.
6402         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6403         and -Tbbs options to specify section addresses if given in
6404         command line and no SEGMENT_START expression is seen in a script.
6405         * script-sections.h (Script_sections::saw_segment_start_expression,
6406         Script_sections::set_saw_segment_start_expression): New method
6407         definition.
6408         (Script_sections::saw_segment_start_expression_): New data member
6409         declaration.
6410         * script.cc (script_saw_segment_start_expression): New function.
6411         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6412         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6413         script_test_7.sh and script_test_8.sh.
6414         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6415         script_test_8.stdout.
6416         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6417         (script_test_6, script_test_6.stdout, script_test_7,
6418         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6419         * Makefile.in: Regenerate.
6420         * testsuite/script_test_6.sh: New file.
6421         * testsuite/script_test_6.t: Same.
6422         * testsuite/script_test_7.sh: Same.
6423         * testsuite/script_test_7.t: Same.
6424         * testsuite/script_test_8.sh: Same.
6425
6426 2009-10-16  Doug Kwan  <dougkwan@google.com>
6427
6428         * output.cc (Output_segment::set_section_list_address): Cast
6429         expressions to unsigned long long type to avoid format warnings.
6430
6431 2009-10-15  Ian Lance Taylor  <iant@google.com>
6432
6433         * script.cc (Script_options::add_symbol_assignment): Always add a
6434         dot assignment to script_sections_.
6435         * script-sections.cc (Script_sections::add_dot_assignment):
6436         Initialize if necessary.
6437
6438         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6439         program headers with no load segment if there is a linker script.
6440
6441         * layout.cc (Layout::set_segment_offsets): Align the file offset
6442         to the segment aligment for -N or -n with no load segment.
6443         * output.cc (Output_segment::add_output_section): Don't crash if
6444         the first section is a TLS section.
6445         (Output_segment::set_section_list_addresses): Print an error
6446         message if the address moves backward in a linker script.
6447         * script-sections.cc
6448         (Output_section_element_input::set_section_addresses): Don't
6449         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6450         (Orphan_output_section::set_section_addresses): Likewise.
6451
6452 2009-10-15  Doug Kwan  <dougkwan@google.com>
6453
6454         * layout.cc (Layout::finish_dynamic_section): Generate tags
6455         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6456         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6457         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6458
6459 2009-10-14  Ian Lance Taylor  <iant@google.com>
6460
6461         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6462         fields.
6463         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6464         data_shdr fields of relinfo.
6465         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6466         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6467         R_386_TLS_LDO_32, adjust based on section flags.
6468         (Target_i386::Relocate::fix_up_ldo): Remove.
6469
6470 2009-10-13  Ian Lance Taylor  <iant@google.com>
6471
6472         Add support for -pie.
6473         * options.h (class General_options): Add -pie and
6474         --pic-executable.
6475         (General_options::output_is_position_independent): Test -pie.
6476         (General_options::output_is_executable): Return true if not shared
6477         and not relocatable.
6478         (General_options::output_is_pie): Remove.
6479         * options.cc (General_options::finalize): Reject incompatible uses
6480         of -pie.
6481         * gold.cc (queue_middle_tasks): A -pie link is not static.
6482         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6483         * symtab.cc (Symbol::final_value_is_known): Return false if
6484         output_is_position_independent.
6485         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6486         output_is_position_independent.
6487         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6488         output_is_position_independent.
6489         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6490         output_is_position_independent.
6491         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6492         two_file_pie_test.
6493         (basic_pie_test.o, basic_pie_test): New targets.
6494         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6495         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6496         (two_file_pie_test): New target.
6497         * testsuite/Makefile.in: Rebuild.
6498         * README: Remove note saying that -pie is not supported.
6499
6500 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6501
6502         * options.h (class General_options): Add -init and -fini.
6503         * layout.cc (Layout::finish_dynamic_section): Emit
6504         given init and fini functions.
6505
6506 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6507
6508         * gc.h (gc_process_relocs): Check if icf is enabled using new
6509         function.
6510         * gold.cc (queue_initial_tasks): Likewise.
6511         (queue_middle_tasks): Likewise.
6512         * object.cc (do_layout): Likewise.
6513         * symtab.cc (is_section_folded): Likewise.
6514         * main.cc (main): Likewise.
6515         * reloc.cc (Read_relocs::run): Likewise.
6516         (Sized_relobj::do_scan_relocs): Likewise.
6517         * icf.cc (is_function_ctor_or_dtor): New function.
6518         (Icf::find_identical_sections): Check if function is ctor or dtor when
6519         safe icf is chosen.
6520         * options.h (General_options::icf): Change option to be an enum.
6521         (Icf_status): New enum.
6522         (icf_enabled): New method.
6523         (icf_safe_folding): New method.
6524         (set_icf_status): New method.
6525         (icf_status_): New variable.
6526         * (options.cc) (General_options::finalize): Set icf_status_.
6527         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6528         icf_test and icf_keep_unique_test to use the --icf enum flag.
6529         * testsuite/icf_safe_test.sh: New file.
6530         * testsuite/icf_safe_test.cc: New file.
6531
6532 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6533
6534         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6535         includes to gc.h and icf.h.
6536         * arm.cc: Include gc.h.
6537         * gold.cc: Likewise.
6538         * i386.cc: Likewise.
6539         * powerpc.cc: Likewise.
6540         * sparc.cc: Likewise.
6541         * x86_64.cc: Likewise.
6542         * gc.h: Include icf.h.
6543
6544 2009-10-11  Ian Lance Taylor  <iant@google.com>
6545
6546         * plugin.cc: Include "gold.h" before other header files.
6547
6548 2009-10-10  Chris Demetriou  <cgd@google.com>
6549
6550         * options.h (Input_file_argument::Input_file_type): New enum.
6551         (Input_file_argument::is_lib_): Replace with...
6552         (Input_file_argument::type_): New member.
6553         (Input_file_argument::Input_file_argument): Take Input_file_type
6554         'type' rather than boolean 'is_lib' as second argument.
6555         (Input_file_argument::is_lib): Use type_.
6556         (Input_file_argument::is_searched_file): New function.
6557         (Input_file_argument::may_need_search): Handle is_searched_file.
6558         * options.cc (General_options::parse_library): Support -l:filename.
6559         (General_options::parse_just_symbols): Update for Input_file_argument
6560         changes.
6561         (Command_line::process): Likewise.
6562         * archive.cc (Archive::get_file_and_offset): Likewise.
6563         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6564         * script.cc (read_script_file, script_add_file): Likewise.
6565         * fileread.cc (Input_file::Input_file): Likewise.
6566         (Input_file::will_search_for): Handle is_searched_file.
6567         (Input_file::open): Likewise.
6568         * readsyms.cc (Read_symbols::get_name): Likewise.
6569         * testsuite/Makefile.am (searched_file_test): New test.
6570         * testsuite/Makefile.in: Regenerate.
6571         * testsuite/searched_file_test.cc: New file.
6572         * testsuite/searched_file_test_lib.cc: New file.
6573
6574 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6575             Ian Lance Taylor  <iant@google.com>
6576
6577         * descriptor.cc: Include <cstdio> and "binary-io.h".
6578         (Descriptors::open): Open the files in binary mode always.
6579         * script.cc (Lex::get_token): Treat \r as whitespace.
6580
6581 2009-10-09  Ian Lance Taylor  <iant@google.com>
6582
6583         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6584
6585 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6586             Ian Lance Taylor  <iant@google.com>
6587
6588         * configure.ac: Check for readv function also.
6589         * fileread.cc (readv): Define if not HAVE_READV.
6590         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6591         does not exist.
6592         * config.in: Regenerate.
6593         * configure: Regenerate.
6594
6595 2009-10-09  Doug Kwan  <dougkwan@google.com>
6596
6597         * layout.cc (Layout::make_output_section): Call target hook to make
6598         ordinary output section.
6599         (Layout::finalize): Adjust parameter list of call the
6600         Target::may_relax().
6601         * layout.h (class Layout::section_list): New method.
6602         * merge.h (Output_merge_base::entsize): Change visibility to public.
6603         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6604         New methods.
6605         (Output_merge_string::do_is_string): New method.
6606         * object.cc (Sized_relobj::do_setup): renamed from
6607         Sized_relobj::set_up.
6608         * object.h (Sized_relobj::adjust_shndx,
6609         Sized_relobj::initializ_input_to_output_maps,
6610         Sized_relobj::free_input_to_output_maps): Change visibilities to
6611         protected.
6612         (Sized_relobj::setup): Virtualize.
6613         (Sized_relobj::do_setup): New method declaration.
6614         (Sized_relobj::invalidate_section_offset,
6615         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6616         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6617         * options.cc (parse_int): New function.
6618         * options.h (parse_int): New declaration.
6619         (DEFINE_int): New macro.
6620         (stub_group_size): New option.
6621         * output.cc (Output_section::Output_section): Initialize memebers
6622         merge_section_map_, merge_section_by_properties_map_,
6623         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6624         (Output_section::add_input_section): Handled deferred code-fill
6625         generation and remove an old comment.
6626         (Output_section::add_relaxed_input_section): New method definition.
6627         (Output_section::add_merge_input_section): Use merge section by
6628         properties map to speed to search.  Update merge section maps
6629         as appropriate.
6630         (Output_section::build_relaxation_map): New method definition.
6631         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6632         Same.
6633         (Output_section::relax_input_section): Renamed to
6634         Output_section::convert_input_sections_to_relaxed_sections and change
6635         interface to take a vector of pointers to relaxed sections.
6636         (Output_section::find_merge_section,
6637         Output_section::find_relaxed_input_section): New method definitions.
6638         (Output_section::is_input_address_mapped,
6639         Output_section::output_offset, Output_section::output_address):
6640         Use output section data maps to speed up searching.
6641         (Output_section::find_starting_output_address): Add comments.
6642         (Output_section::do_write,
6643         Output_section::write_to_postprocessing_buffer): Do code-fill
6644         generation as appropriate.
6645         (Output_section::get_input_sections): Invalidate relaxed input section
6646         map.
6647         (Output_section::restore_states): Adjust type of checkpoint .
6648         Invalidate relaxed input section map.
6649         * output.h (Output_merge_base): New class declaration.
6650         (Input_section_specifier): New class defintion.
6651         (class Output_relaxed_input_section) Change base class to
6652         Output_section_data_build.
6653         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6654         base class initializer.
6655         (Output_section::add_relaxed_input_section): New method declaration.
6656         (Output_section::Input_section): Change visibility to protected.
6657         (Output_section::Input_section::relobj,
6658         Output_section::Input_section::shndx): Handle relaxed input sections.
6659         Output_section::input_sections) Change visibility to protected.  Also
6660         define overload to return a non-const pointer.
6661         (Output_section::Merge_section_properties): New class defintion.
6662         (Output_section::Merge_section_by_properties_map,
6663         Output_section::Output_section_data_by_input_section_map,
6664         Output_section::Relaxation_map): New types.
6665         (Output_section::relax_input_section): Rename method to
6666         Output_section::convert_input_sections_to_relaxed_sections and change
6667         interface to take a vector of relaxed section pointers.
6668         (Output_section::find_merge_section,
6669         Output_section::find_relaxed_input_section,
6670         Output_section::build_relaxation_map,
6671         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6672         New method declarations.
6673         (Output_section::merge_section_map_
6674         Output_section::merge_section_by_properties_map_,
6675         Output_section::relaxed_input_section_map_,
6676         Output_section::is_relaxed_input_section_map_valid_,
6677         Output_section::generate_code_fills_at_write_): New data members.
6678         * script-sections.cc
6679         (Output_section_element_input::set_section_addresses): Call
6680         current_data_size and addralign methods of relaxed input sections.
6681         (Orphan_output_section::set_section_addresses): Call current_data_size
6682         and addralign methods of relaxed input sections.
6683         * symtab.cc (Symbol_table::compute_final_value): Extract template
6684         from the body of Symbol_table::sized_finalize_symbol.
6685         (Symbol_table::sized_finalized_symbol): Call
6686         Symbol_table::compute_final_value.
6687         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6688         (Symbol_table::compute_final_value): New templated method declaration.
6689         * target.cc (Target::do_make_output_section): New method defintion.
6690         * target.h (Target::make_output_section): New method declaration.
6691         (Target::relax): Add more parameters for input objects, symbol table
6692         and layout.  Adjust call to do_relax.
6693         (Target::do_make_output_section): New method declaration.
6694         (Target::do_relax): Add parameters for input objects, symbol table
6695         and layout.
6696
6697 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6698
6699         * pread.c: Include stdio.h.
6700
6701 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6702
6703         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6704         defined.
6705
6706 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6707
6708         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6709         Change read_shndx type to unsigned int.
6710         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6711         int.
6712         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6713         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6714         Change read_shndx type to unsigned int.
6715         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6716         int.
6717         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6718         * layout.cc (Layout::create_symtab_sections): Cast the result of
6719         local_symcount * symsize to off_t in the gold_assert.
6720
6721 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6722
6723         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6724         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6725         R_ARM_BASE_ABS.
6726         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6727         (Arm_relocate_functions::thm_abs5): New function.
6728         (Arm_relocate_functions::abs12): New function.
6729         (Arm_relocate_functions::abs16): New function.
6730         (Arm_relocate_functions::base_abs): New function.
6731         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6732         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6733         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6734         R_ARM_BASE_ABS.
6735         (Scan::global): Likewise.
6736         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6737         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6738         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6739         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6740         R_ARM_BASE_ABS.
6741
6742 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6743
6744         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6745         (Arm_relocate_functions::movt_prel): New function.
6746         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6747         (Arm_relocate_functions::thm_movt_prel): New function.
6748         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6749         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6750         (Scan::global, Relocate::relocate): Likewise.
6751         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6752
6753 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6754
6755         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6756         Incremental_checker.
6757         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6758         unsigned int.
6759         (class Incremental_inputs_header): New class.
6760         (Incremental_inputs_header_writer): Edit comment.
6761         (Incremental_inputs_entry): New class.
6762         (Incremental_inputs_entry_writer): Edit comment.
6763         (Sized_incremental_binary::do_find_incremental_inputs_section):
6764         Add *strtab_shndx parameter, fill it.
6765         (Sized_incremental_binary::do_check_inputs): New method.
6766         (Incremental_checker::can_incrementally_link_output_file): Use
6767         Sized_incremental_binary::check_inputs.
6768         (Incremental_inputs::report_command_line): Save command line in
6769         command_line_.
6770         * incremental.h:
6771         (Incremental_binary::find_incremental_inputs_section): New
6772         method.
6773         (Incremental_binary::do_find_incremental_inputs_section): Add
6774         strtab_shndx parameter.
6775         (Incremental_binary::do_check_inputs): New pure virtual method.
6776         (Sized_incremental_binary::do_check_inputs): Declare.
6777         (Incremental_checker::Incremental_checker): Add incremental_inputs
6778         parameter, use it to initialize incremental_inputs_.
6779         (Incremental_checker::incremental_inputs_): New field.
6780         (Incremental_checker::command_line): New method.
6781         (Incremental_checker::inputs): New method.
6782         (Incremental_checker::command_line_): New field.
6783
6784 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6785
6786         * incremental.cc: Include <cstdarg> and "target-select.h".
6787         (vexplain_no_incremental): New function.
6788         (explain_no_incremental): New function.
6789         (Incremental_binary::error): New method.
6790         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6791         method.
6792         (make_sized_incremental_binary): New function.
6793         (open_incremental_binary): New function.
6794         (can_incrementally_link_file): Add checks if output is ELF and has
6795         inputs section.
6796         * incremental.h: Include "elfcpp_file.h" and "output.h".
6797         (Incremental_binary): New class.
6798         (Sized_incremental_binary): New class.
6799         (open_incremental_binary): Declare.
6800         * object.cc (is_elf_object): Use
6801         elfcpp::Elf_recognizer::is_elf_file.
6802         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6803         * output.h (Output_file::filesize): New method.
6804
6805 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6806
6807         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6808         New function.
6809         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6810         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6811         function.
6812         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6813         function.
6814         (Arm_relocate_functions::movw_abs_nc): New function.
6815         (Arm_relocate_functions::movt_abs): New function.
6816         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6817         (Arm_relocate_functions::thm_movt_abs): New function.
6818         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6819         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6820         (Scan::global): Likewise.
6821         (Relocate::relocate): Likewise.
6822         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6823
6824 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6825
6826         * arm.cc (Arm_relocate_functions::got_prel) New function.
6827         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6828         (Relocate::relocate): Likewise.
6829         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6830
6831 2009-10-06  Ian Lance Taylor  <iant@google.com>
6832
6833         * options.h (class General_options): Define
6834         split_stack_adjust_size parameter.
6835         * object.h (class Object): Add uses_split_stack_ and
6836         has_no_split_stack_ fields.  Add uses_split_stack and
6837         has_no_split_stack accessor functions.  Declare
6838         handle_split_stack_section.
6839         (class Reloc_symbol_changes): Define.
6840         (class Sized_relobj): Define Function_offsets.  Declare
6841         split_stack_adjust, split_stack_adjust_reltype, and
6842         find_functions.
6843         * object.cc (Object::handle_split_stack_section): New function.
6844         (Sized_relobj::do_layout): Call handle_split_stack_section.
6845         * dynobj.cc (Sized_dynobj::do_layout): Call
6846         handle_split_stack_section.
6847         * reloc.cc (Sized_relobj::relocate_sections): Call
6848         split_stack_adjust for executable sections in split_stack
6849         objects.  Pass reloc_map to relocate_section.
6850         (Sized_relobj::split_stack_adjust): New function.
6851         (Sized_relobj::split_stack_adjust_reltype): New function.
6852         (Sized_relobj::find_functions): New function.
6853         * target-reloc.h: Include "object.h".
6854         (relocate_section): Add reloc_symbol_changes parameter.  Change
6855         all callers.
6856         * target.h (class Target): Add calls_non_split method.  Declare
6857         do_calls_non_split virtual method.  Declare match_view and
6858         set_view_to_nop.
6859         * target.cc: Include "elfcpp.h".
6860         (Target::do_calls_non_split): New function.
6861         (Target::match_view): New function.
6862         (Target::set_view_to_nop): New function.
6863         * gold.cc (queue_middle_tasks): Give an error if mixing
6864         split-stack and non-split-stack objects with -r.
6865         * i386.cc (Target_i386::relocate_section): Add
6866         reloc_symbol_changes parameter.
6867         (Target_i386::do_calls_non_split): New function.
6868         * x86_64.cc (Target_x86_64::relocate_section): Add
6869         reloc_symbol_changes parameter.
6870         (Target_x86_64::do_calls_non_split): New function.
6871         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6872         parameter.
6873         * powerpc.cc (Target_powerpc::relocate_section): Add
6874         reloc_symbol_changes parameter.
6875         * sparc.cc (Target_sparc::relocate_section): Add
6876         reloc_symbol_changes parameter.
6877         * configure.ac: Call AM_CONDITIONAL for the default target.
6878         * configure: Rebuild.
6879         * testsuite/Makefile.am (TEST_AS): New variable.
6880         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6881         (check_DATA): Add split_i386 and split_x86_64 files.
6882         (SPLIT_DEFSYMS): Define.
6883         (split_i386_[1234n].o): New targets.
6884         (split_i386_[124]): New targets.
6885         (split_i386_[1234r].stdout): New targets.
6886         (split_x86_64_[1234n].o): New targets.
6887         (split_x86_64_[124]): New targets.
6888         (split_x86_64_[1234r].stdout): New targets.
6889         (MOSTLYCLEANFILES): Add new executables.
6890         * testsuite/split_i386.sh: New file.
6891         * testsuite/split_x86_64.sh: New file.
6892         * testsuite/split_i386_1.s: New file.
6893         * testsuite/split_i386_2.s: New file.
6894         * testsuite/split_i386_3.s: New file.
6895         * testsuite/split_i386_4.s: New file.
6896         * testsuite/split_i386_n.s: New file.
6897         * testsuite/split_x86_64_1.s: New file.
6898         * testsuite/split_x86_64_2.s: New file.
6899         * testsuite/split_x86_64_3.s: New file.
6900         * testsuite/split_x86_64_4.s: New file.
6901         * testsuite/split_x86_64_n.s: New file.
6902         * testsuite/testfile.cc (Target_test): Update relocation_section
6903         function.
6904         * testsuite/Makefile.in: Rebuild.
6905
6906 2009-10-06  Ian Lance Taylor  <iant@google.com>
6907
6908         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6909         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6910         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6911         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6912         the address on ldo_addrs_.
6913         (Target_i386::Relocate::fix_up_ldo): New function.
6914
6915 2009-10-06   Rafael Espindola  <espindola@google.com>
6916
6917         * plugin.cc (add_input_library): New.
6918         (Plugin::load): Add add_input_library to tv.
6919         (Plugin_manager::add_input_file): Add the is_lib argument.
6920         (add_input_file): Update call to Plugin_manager::add_input_file.
6921         (add_input_library): New.
6922         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6923
6924 2009-09-30  Doug Kwan  <dougkwan@google.com>
6925
6926         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6927         symbol and call Symbol::may_need_copy_reloc to determine if
6928         a copy reloc is needed.
6929         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6930         nocopyreloc is given in command line.
6931         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6932         given in command line.
6933         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6934         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6935         of the removed Target_i386::may_need_copy_reloc.
6936         * options.h (copyreloc): New option with default value false.
6937         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6938         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6939         instead of the removed Target_powerpc::may_need_copy_reloc.
6940         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6941         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6942         instead of the removed Target_sparc::may_need_copy_reloc.
6943         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6944         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6945         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6946         instead of the removed Target_x86_64::may_need_copy_reloc.
6947
6948 2009-09-30  Ian Lance Taylor  <iant@google.com>
6949
6950         * object.h (class Object): Remove target_ field, and target,
6951         sized_target, and set_target methods.
6952         (Object::sized_target): Remove.
6953         (class Sized_relobj): Update declarations.  Remove sized_target.
6954         * object.cc (Sized_relobj::setup): Remove target parameter.
6955         Change all callers.
6956         (Input_objects::add_object): Don't do anything with the target.
6957         (make_elf_sized_object): Add punconfigured parameter.  Change all
6958         callers.  Set or test parameter target.
6959         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6960         Change all callers.
6961         * parameters.cc (Parameters::set_target): Change parameter type to
6962         be non-const.
6963         (Parameters::default_target): Remove.
6964         (set_parameters_target): Change parameter type to be non-const.
6965         (parameters_force_valid_target): New function.
6966         (parameters_clear_target): New function.
6967         * parameters.h (class Parameters): Update declarations.  Remove
6968         default_target method.  Add sized_target and clear_target
6969         methods.  Change target_ to be non-const.
6970         (set_parameters_target): Update declaration.
6971         (parameters_force_valid_target): Declare.
6972         (parameters_clear_target): Declare.
6973         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6974         as NULL if we aren't searching.
6975         (Add_symbols::run): Don't check for compatible target.
6976         * fileread.cc (Input_file::open_binary): Call
6977         parameters_force_valid_target.
6978         * gold.cc (queue_middle_tasks): Likewise.
6979         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6980         set_target on object.
6981         * dynobj.h (class Sized_dynobj): Update declarations.
6982         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6983         make_elf_object returns NULL.
6984         (Archive::include_member): Don't check whether object target is
6985         compatible.
6986         * output.cc (Output_section::add_input_section): Get target from
6987         parameters.
6988         (Output_section::relax_input_section): Likewise.
6989         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6990         parameters.
6991         (Sized_relobj::do_scan_relocs): Likewise.
6992         (Sized_relobj::relocate_sections): Likewise.
6993         * resolve.cc (Symbol_table::resolve): Likewise.
6994         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6995         parameter.  Change all callers.
6996         (Symbol_table::add_from_object): Get target from parameters.
6997         (Symbol_table::add_from_relobj): Don't check object target.
6998         (Symbol_table::add_from_dynobj): Likewise.
6999         (Symbol_table::define_special_symbol): Get target from
7000         parameters.
7001         * symtab.h (class Symbol_table): Update declaration.
7002         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7003         parameter.  Change all callers.  Clear parameter target.
7004         (Binary_test): Test target here.
7005         * testsuite/object_unittest.cc (gold_testsuite): Remove
7006         target_test_pointer parameter.  Change all callers.
7007         (Object_test): Test target here.
7008
7009 2009-09-26  Ian Lance Taylor  <iant@google.com>
7010
7011         * testsuite/initpri1.c: Don't try to use constructor priorities if
7012         compiling with gcc before 4.3.
7013
7014 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7015
7016         * testsuite/retain_symbols_file_test.sh (check_present): Change
7017         output file name to retain_symbols_file_test.stdout.
7018         (check_absent): Likewise.
7019
7020 2009-09-18  Craig Silverstein  <csilvers@google.com>
7021
7022         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7023         * options.cc: Include <cerrno> and <fstream>.
7024         (General_options::finalize): Parse -retain-symbols-file tag.
7025         * options.h: New flag.
7026         (General_options): New method should_retain_symbol, new
7027         variable symbols_to_retain.
7028         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7029         should_retain_symbol map.
7030         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7031         * testsuite/Makefile.in: Regenerate.
7032         * testsuite/retain_symbols_file_test.sh: New file.
7033
7034 2009-09-18  Nick Clifton  <nickc@redhat.com>
7035
7036         * po/es.po: Updated Spanish translation.
7037
7038 2009-09-17  Doug Kwan  <dougkwan@google.com>
7039
7040         * debug.h (DEBUG_RELAXATION): New constant.
7041         (DEBUG_ALL): Add DEBUG_RELAXATION.
7042         (debug_string_to_enum): Add relaxation debug option.
7043         * layout.cc
7044         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7045         Layout::Relaxation_debug_check::read_sections,
7046         Layout::Relaxation_debug_check::read_sections): New method definitions.
7047         (Layout::Layout): Initialize data members
7048         record_output_section_data_from_scrips_,
7049         script_output_section_data_list_ and relaxation_debug_check_.
7050         (Layout::save_segments, Layout::restore_segments,
7051         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7052         Layout::relaxation_loop_body): New method definitions.
7053         (Layout::finalize): Support relaxation.  Move section layout code to
7054         Layout::relaxation_loop_body.
7055         (Layout::set_asection_address_from_script): Move code for orphan
7056         section placement out.
7057         (Layout::place_orphan_sections_in_script): New method definition.
7058         * layout.h (Output_segment_headers, Output_file_header):
7059         New forward class declarations.
7060         (Layout::~Layout): Define.
7061         (Layout::new_output_section_data_from_script): New method definition.
7062         (Layout::place_orphan_sections_in_script): New method declaration.
7063         (Layout::Segment_states): New type declaration.
7064         (Layout::save_segments, Layout::restore_segments,
7065         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7066         Layout::relaxation_loop_body): New method declarations.
7067         (Layout::Output_section_data_list): New type declaration.
7068         (Layout::Relaxation_debug_check): New class definition.
7069         (Layout::record_output_section_data_from_script_,
7070         Layout::script_output_section_data_list_, Layout::segment_states_,
7071         Layout::relaxation_debug_check_): New data members.
7072         * output.cc: (Output_section_headers::do_size): New method definition.
7073         (Output_section_headers::Output_section_headers): Move size
7074         computation to Output_section_headers::do_size.
7075         (Output_segment_headers::do_size): New method definition.
7076         (Output_file_header::Output_file_header): Move size computation to
7077         Output_file_header::do_size and call it.
7078         (Output_file_header::do_size): New method definition.
7079         (Output_data_group::Output_data_group): Adjust call to
7080         Output_section_data.
7081         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7082         (Output_symtab_xindex::do_write): Add array bound check.
7083         (Output_section::Input_section::print_to_mapfile): Handle
7084         RELAXED_INPUT_SECTION_CODE.
7085         (Output_section::Output_section): Initialize data member checkpoint_.
7086         (Output_section::~Output_section): Delete checkpoint object pointed
7087         by checkpoint_.
7088         (Output_section::add_input_section): Always add an Input_section if
7089         relaxing.
7090         (Output_section::add_merge_input_section): Add assert.
7091         (Output_section::relax_input_section): New method definition.
7092         (Output_section::set_final_data_size): Set load address to zero for
7093         an unallocated section.
7094         (Output_section::do_address_and_file_offset_have_reset_values):
7095         New method definition.
7096         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7097         Handle relaxed input section.
7098         (Output_section::sort_attached_input_sections): Checkpoint input
7099         section list lazily.
7100         (Output_section::get_input_sections): Change type of input_sections to
7101         list of Simple_input_section pointers.  Checkpoint input section list
7102         lazily.  Also handle relaxed input sections.
7103         (Output_section::add_input_section_for_script): Take a reference to
7104         a Simple_input_section object instead of Relobj pointer and section
7105         index as parameter.  Handle relaxed input sections.
7106         (Output_section::save_states, Output_section::restore_states): New
7107         method definitions.
7108         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7109         (Output_data::is_data_size_fixed): New method definition.
7110         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7111         if it is fixed.
7112         (Output_data::address_and_file_offset_have_reset_values): New method
7113         definition.
7114         (Output_data::do_address_and_file_offset_have_reset_values): New method
7115         definition.
7116         (Output_data::set_data_size): Check that data size is not fixed.
7117         (Output_data::fix_data_size): New method definition.
7118         (Output_data::is_data_size_fixed_): New data member.
7119         (Output_section_headers::set_final_data_size): New method definition.
7120         (Output_section_headers::do_size): New method declaration.
7121         (Output_segment_headers::set_final_data_size): New method definition.
7122         (Output_segment_headers::do_size): New method declaration.
7123         (Output_file_header::set_final_data_size)::New method definition.
7124         (Output_file_header::do_size)::New method declaration.
7125         (Output_section_data::Output_section_data): Add new parameter
7126         is_data_size_fixed and use it to fix data size.
7127         (Output_data_const::Output_data_const): Adjust call to base class
7128         constructor and fix data size.
7129         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7130         base class constructor and fix data size.
7131         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7132         base class constructor and fix data size.
7133         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7134         class constructor and fix data size.
7135         (Output_data_group::set_final_data_size): New method definition.
7136         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7137         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7138         class constructor and fix data size.
7139         (Output_relaxed_input_section): New class definition.
7140         (Output_section::Simple_input_section): New class definition.
7141         (Output_section::get_input_sections): Adjust parameter list.
7142         (Output_section::add_input_section_for_script): Same.
7143         (Output_section::save_states, Output_section::restore_states,
7144         Output_section::do_address_and_file_offset_have_reset_values,
7145         (Output_section::Input_section::Input_section): Handle
7146         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7147         Output_relaxed_input_section.
7148         (Output_section::Input_section::is_input_section,
7149         Output_section::Input_section::set_output_section): Handle relaxed
7150         input section.
7151         (Output_section::Input_section::is_relaxed_input_section,
7152         Output_section::Input_section::output_section_data,
7153         Output_section::Input_section::relaxed_input_section): New method
7154         definitions.
7155         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7156         value.
7157         (Output_section::Input_section::u1_): Update comments.
7158         (Output_section::Input_section::u2_): Add new union member poris.
7159         (Output_section::Checkpoint_output_section): New classs definition.
7160         (Output_section::relax_input_section): New method declaration.
7161         (Output_section::checkpoint_): New data member.
7162         (Output_segment): Update comments.
7163         (Output_segment::Output_segment): Un-privatize copy constructor.
7164         (Output_segment::operator=): Un-privatize.
7165         * script-sections.cc (Output_section_element::Input_section_list):
7166         Change element type to Output_section::Simple_input_section.
7167         (Output_section_element_dot_assignment::set_section_addresses):
7168         Register output section data for relaxation clean up.
7169         (Output_data_exression::Output_data_expression): Adjust call to base
7170         constructor to fix data size.
7171         (Output_section_element_data::set_section_addresses): Register
7172         Output_data_expression object for relaxation clean up.
7173         (struct Input_section_info): Replace Relobj pointer and section index
7174         pair with Output_section::Simple_input_section and Convert struct to a
7175         class.
7176         (Input_section_sorter::operator()): Adjust access to
7177         Input_section_info data member to use accessors.
7178         (Output_section_element_input::set_section_addresses): Use layout
7179         parameter.  Adjust code to use Output_section::Simple_input_section
7180         and Input_secction_info classes.  Register filler for relaxation
7181         clean up.
7182         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7183         and section index pair with Output_section::Simple_input_section
7184         class.  Adjust code accordingly.
7185         (Phdrs_element::release_segment): New method definition.
7186         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7187         segment list.
7188         (Script_sections::release_segments): New method definition.
7189         * gold/script-sections.h (Script_sections::release_segments): New
7190         method declaration.
7191         * gold/target.h (Target::may_relax, Target::relax,
7192         Target::do_may_relax, Target::do_relax): New method definitions.
7193
7194 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7195
7196         * arm.cc (has_signed_unsigned_overflow): New function.
7197         (Arm_relocate_functions::abs8): New function.
7198         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7199         (Target_arm::Scan::global): Likewise.
7200         (Target_arm::relocate::relocate): Likewise.
7201         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7202         Likewise.
7203
7204 2009-09-16  Cary Coutant  <ccoutant@google.com>
7205
7206         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7207         * testsuite/Makefile.in: Regenerate.
7208
7209 2009-09-11  Nick Clifton  <nickc@redhat.com>
7210
7211         * po/gold.pot: Updated by the Translation project.
7212
7213 2009-09-08  Cary Coutant  <ccoutant@google.com>
7214
7215         * output.cc (Output_file::open): Add execute permission to empty file.
7216         * testsuite/Makefile.am (permission_test): New test.
7217         * testsuite/Makefile.in: Regenerate.
7218
7219 2009-09-02  Ian Lance Taylor  <iant@google.com>
7220
7221         * output.cc (Output_file::resize): Call map_no_anonymous rather
7222         than map.
7223
7224 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7225
7226         * gold.cc: Include "incremental.h".
7227         (queue_initial_tasks): Call Incremental_checker methods.
7228         * incremental.cc: Include "output.h".
7229         (Incremental_checker::can_incrementally_link_output_file): New
7230         method.
7231         * incremental.h (Incremental_checker): New class.
7232
7233         * output.cc (Output_file::open_for_modification): New method.
7234         (Output_file::map_anonymous): Changed return type to bool.  Record
7235         map in base_ field.
7236         (Output_file::map_no_anonymous): New method, broken out of map.
7237         (Output_file::map): Use map_no_anonymous and map_anonymous.
7238         * output.h (class Output_file): Update declarations.
7239
7240 2009-08-24  Cary Coutant  <ccoutant@google.com>
7241
7242         * options.h (Command_line::Pre_options): New class.
7243         (Command_line::pre_options): New member.
7244         * options.cc (gold::options::ready_to_register): New variable.
7245         (One_option::register_option): Do nothing if not registering options.
7246         Assert if same short option registered twice.
7247         (General_options::General_options): Turn off option registration when
7248         done constructing.
7249         (Command_line::Pre_options::Pre_options): New constructor.
7250
7251 2009-08-24  Cary Coutant  <ccoutant@google.com>
7252
7253         * options.h (General_options::no_keep_memory): Remove incorrect
7254         short option.
7255
7256 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7257
7258         * Makefile.am (am__skiplex, am__skipyacc): New.
7259         * Makefile.in: Regenerate.
7260
7261 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7262
7263         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7264         (INCLUDES): ... this.
7265         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7266         (AM_CPPFLAGS): Renamed from ...
7267         (INCLUDE): ... this.
7268         * Makefile.in, testsuite/Makefile.in: Regenerate.
7269
7270         * Makefile.in: Regenerate.
7271         * aclocal.m4: Likewise.
7272         * config.in: Likewise.
7273         * configure: Likewise.
7274         * testsuite/Makefile.in: Likewise.
7275
7276         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7277         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7278         * Makefile.in: Regenerate.
7279         * testsuite/Makefile.in: Regenerate.
7280
7281 2009-08-19  Cary Coutant  <ccoutant@google.com>
7282
7283         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7284         symbols in shared libraries overridden by hidden or internal symbols
7285         in the main program.
7286
7287 2009-08-19  Chris Demetriou  <cgd@google.com>
7288
7289         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7290         checking source file names in error messages.
7291
7292 2009-08-18  Doug Kwan  <dougkwan@google.com>
7293
7294         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7295         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7296         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7297         an elfcpp::Ehdr as parameter.
7298         * object.cc (Object::set_target): Remove the version that looks up
7299         a target and sets it.
7300         (Sized_relobj::setup): Take a Target object instead of
7301         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7302         (make_elf_sized_object): Find target and ask target to
7303         make an ELF object.
7304         * object.h: (Object::set_target): Remove the version that looks up
7305         a target and sets it.
7306         (Sized_relobj::setup): Take a Target object instead of
7307         an elfcpp:Ehdr as parameter.
7308         * target.cc: Include dynobj.h.
7309         (Target::do_make_elf_object_implementation): New.
7310         (Target::do_make_elf_object): New.
7311         * target.h (Target::make_elf_object): New template declaration.
7312         (Target::do_make_elf_object): New method declarations.
7313         (Target::do_make_elf_object_implementation): New template declaration.
7314
7315 2009-08-14  Ian Lance Taylor  <iant@google.com>
7316
7317         * gold.h (FUNCTION_NAME): Define.
7318         (gold_unreachable): Use FUNCTION_NAME.
7319
7320 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7321
7322         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7323         symbol in the --keep-unique list is not found.
7324
7325 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7326
7327         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7328         been maked as --keep-unique.
7329         (Icf::unfold_section): New function.
7330         * icf.h (Icf::unfold_section): New function.
7331         * options.h (General_options::keep_unique): New option.
7332         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7333         * testsuite/Makefile.in: Regenerate.
7334         * testsuite/icf_keep_unique_test.sh: New file.
7335         * testsuite/icf_keep_unique_test.cc: New file.
7336
7337 2009-08-12  Cary Coutant  <ccoutant@google.com>
7338
7339         PR 10471
7340         * resolve.cc (Symbol_table::resolve): Check for references from
7341         dynamic objects to hidden and internal symbols.
7342         * testsuite/Makefile.am (hidden_test.sh): New test.
7343         * testsuite/Makefile.in: Regenerate.
7344         * testsuite/hidden_test.sh: New script.
7345         * testsuite/hidden_test_1.c: New test source.
7346         * testsuite/hidden_test_main.c: New test source.
7347
7348 2009-08-11  Doug Kwan  <dougkwan@google.com>
7349
7350         * arm.cc: Update comments.
7351         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7352         segment to locate the .ARM.exidx section if present.
7353
7354 2009-08-09  Doug Kwan  <dougkwan@google.com>
7355
7356         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7357         patch.
7358
7359 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7360         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7361         compiler warnings.
7362
7363 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7364
7365         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7366         valid tls_segment only for non-debug-section relocations.
7367         * testsuite/Makefile.am: Add gc_tls_test.
7368         * testsuite/Makefile.in: Regenerate.
7369         * testsuite/gc_tls_test.cc: New file.
7370         * testsuite/gc_tls_test.sh: New file.
7371
7372 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7373
7374         * icf.cc: New file.
7375         * icf.h: New file.
7376         * Makefile.am (CCFILES): Add icf.cc.
7377         (HFILES): Add icf.h
7378         * Makefile.in: Regenerate.
7379         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7380         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7381         section, symbol and addend information for the relocs.
7382         * gold.cc (queue_middle_tasks): Call identical code folding.
7383         * gold.h: Add defines for multimap.
7384         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7385         to the call of finalize_local_symbols.
7386         * main.cc (main): Create object of class Icf.
7387         * object.cc (Sized_relobj::do_layout): Allow this function to be
7388         called twice during icf.
7389         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7390         to sections marked as identical by icf.
7391         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7392         when available.
7393         (Sized_relobj::do_section_entsize): New function.
7394         * object.h (Object::section_entsize): New function.
7395         (Object::do_section_entsize): New pure virtual function.
7396         (Relobj::finalize_local_symbols): Add new parameter.
7397         (Relobj::do_section_entsize): New function.
7398         * options.h (General_options::icf): New option.
7399         (General_options::icf_iterations): New option.
7400         (General_options::print_icf_sections): New option.
7401         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7402         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7403         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7404         icf.
7405         * symtab.cc (Symbol_table::is_section_folded): New function.
7406         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7407         to sections marked as identical by icf.
7408         * symtab.h (Symbol_table::set_icf): New function.
7409         (Symbol_table::icf): New function.
7410         (Symbol_table::is_section_folded): New function.
7411         (Symbol_table::icf_): New data member.
7412         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7413         * testsuite/Makefile.am: Add commands to build icf_test.
7414         * testsuite/Makefile.in: Regenerate.
7415         * testsuite/icf_test.sh: New file.
7416         * testsuite/icf_test.cc: New file.
7417
7418 2009-07-24  Chris Demetriou  <cgd@google.com>
7419
7420         * layout.cc (is_compressible_debug_section): Fix incorrect
7421         comment about compressed section names.
7422
7423 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7424
7425         PR 10419
7426         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7427
7428 2009-07-16  Ian Lance Taylor  <iant@google.com>
7429
7430         PR 10400
7431         * layout.h: #include <map>.
7432         (class Kept_section): Change from struct to class.  Add accessors
7433         and setters.  Add section size to Comdat_group mapping.  Change
7434         Comdat_group to std::map.  Add is_comdat_ field.  Add
7435         linkonce_size field in union.
7436         (class Layout): Update declaration of find_or_add_kept_section.
7437         Don't declare find_kept_object.
7438         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7439         parameter.  Add object, shndx, is_comdat, and is_group_name
7440         parameters.  Change all callers.  Adjust for new Kept_section.
7441         (Layout::find_kept_object): Remove.
7442         * object.cc (Sized_relobj::include_section_group): Update use of
7443         Kept_section.  Rename secnum to shndx.  Only record
7444         Kept_comdat_section if sections are the same size.
7445         (Sized_relobj::include_linkonce_section): Update use of
7446         Kept_section.  Only record Kept_comdat_section if sections are the
7447         same size.  Set size of linkonce section.
7448         (Sized_relobj::map_to_kept_section): Update call to
7449         get_kept_comdat_section.
7450         * object.h (class Sized_relobj): Rename fields in
7451         Kept_comdat_section to drop trailing underscores; change object
7452         field to Relobj*.  Change Kept_comdat_section_table to store
7453         struct rather than pointer.
7454         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7455         Add kept_object and kept_shndx parameters.  Change all callers.
7456         (Sized_relobj::get_kept_comdat_section): Change return type to
7457         bool.  Add kept_object and kept_shndx parameters.  Change all
7458         callers.
7459         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7460         Layout::find_or_add_kept_section.
7461
7462 2009-07-09  Ian Lance Taylor  <iant@google.com>
7463
7464         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7465         Reserve space in the hash table.
7466
7467 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7468
7469         * fileread.cc (File_read::get_mtime): New method.
7470         * fileread.h (Timespec): New structure.
7471         (File_read::get_mtime): New method.
7472         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7473         Renamed from timestamp_nsec.
7474         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7475         Elf_Xword.
7476         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7477         timestamp_nsec.
7478         (Incremental_inputs::report_archive): Save mtime; style fix.
7479         (Incremental_inputs::report_obejct): Save mtime; style fix.
7480         (Incremental_inputs::report_script): Save mtime; style fix.
7481         (Incremental_inputs::finalize_inputs): Style fix.
7482         (Incremental_inputs::finalize): Style fix.
7483         (Incremental_inputs::create_input_section_data): Store inputs
7484         mtime.
7485         * incremental.h (Incremental_inputs::report_script): Add mtime
7486         argument.
7487         (Incremental_inputs::Input_info::Input_info): Intialize only one
7488         union member.
7489         (Incremental_inputs::Input_info::archive): Move to nameless
7490         union.
7491         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7492         (Incremental_inputs::Input_info::script): Move to nameless union.
7493         (Incremental_inputs::mtime): New field.
7494         * script.cc (read_input_script): Pass file mtime to
7495         Incremental_input.
7496         * script.h (Script_info::inputs): Style fix.
7497
7498 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7499
7500         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7501         instead of 32.
7502
7503 2009-06-24  Ian Lance Taylor  <iant@google.com>
7504
7505         PR 10156
7506         * layout.cc (Layout::choose_output_section): If we find an
7507         existing section, update the flags.
7508         (Layout::create_notes): New function, broken out of
7509         Layout::finalize.
7510         (Layout::finalize): Don't create note sections.
7511         (Layout::create_note): Don't crash if linker script discards
7512         section.
7513         (Layout::create_gold_note): Likewise.
7514         (Layout::create_build_id): Likewise.  Don't set
7515         after_input_sections on the section.
7516         (Layout::create_executable_stack_info): Remove target parameter.
7517         Change caller.
7518         * layout.h (class Layout): Declare create_notes.  Update
7519         declaration of create_executable_stack_info.
7520         * gold.cc (queue_middle_tasks): Call create_notes.
7521         * output.cc (Output_section::update_flags_for_input_section): Move
7522         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7523         invalid.
7524         * output.h (Output_data::mark_address_invalid): New function.
7525         (class Output_section): Only declare, not define,
7526         update_flags_for_input_section.  Remove set_flags.
7527
7528 2009-06-24  Ian Lance Taylor  <iant@google.com>
7529
7530         * script-sections.cc (Output_section_definition::
7531         set_section_addresses): Rename shadowing local load_address to
7532         laddr.
7533
7534 2009-06-24  Ian Lance Taylor  <iant@google.com>
7535
7536         PR 10244
7537         * reloc.cc (relocate_sections): Skip empty relocation sections.
7538
7539 2009-06-23  Ian Lance Taylor  <iant@google.com>
7540
7541         PR 10156
7542         * layout.cc (Layout::create_note): Use choose_output_section
7543         rather than make_output_section.
7544
7545 2009-06-23  Ian Lance Taylor  <iant@google.com>
7546
7547         PR 10237
7548         * options.cc (General_options::parse_V): Set printed_version_.
7549         (General_options::General_options): Initialize printed_version_.
7550         * options.h (class General_options): Add printed_version_ field.
7551         * gold.cc (queue_initial_tasks): If there are no input files,
7552         don't give a fatal error if we printed the version information.
7553         (queue_middle_tasks): If using -r with a shared object, give a
7554         fatal error rather than an ordinary error.
7555
7556 2009-06-23  Ian Lance Taylor  <iant@google.com>
7557
7558         PR 10219
7559         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7560         (Layout::make_output_section): Set have_stabstr_section_ if we see
7561         a .stab*str section.
7562         (Layout::finalize): Call link_stabs_sections.
7563         (Layout::link_stabs_sections): New file.
7564         * layout.h (class Layout): Add have_stabstr_section_ field.
7565         Declare link_stabs_sections.
7566
7567 2009-06-23  Doug Kwan  <dougkwan@google.com>
7568
7569         * Makefile.am (libgold_a_LIBADD): New.
7570         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7571         * Makefile.in: Regenerate.
7572         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7573         * configure: Regenerate.
7574         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7575         * fileread.cc: Include sys/state.h
7576         * gold.h: Declare memmem and strndup if found missing.
7577         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7578
7579 2009-06-23  Ian Lance Taylor  <iant@google.com>
7580
7581         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7582         * configure: Rebuild.
7583
7584 2009-06-23  Ian Lance Taylor  <iant@google.com>
7585
7586         PR 10147
7587         * object.cc (Object::section_contents): Don't try to get a view if
7588         the section has length zero.
7589         (Object::handle_gnu_warning_section): If the section is empty, use
7590         the name of the section as the warning.
7591
7592 2009-06-23  Ian Lance Taylor  <iant@google.com>
7593
7594         PR 10133
7595         * stringpool.h (class Stringpool_template): Add optimize_ field.
7596         (Stringpool_template::set_optimize): New function.
7597         * stringpool.cc (Stringpool_template::Stringpool_template):
7598         Initialize optimize_ field.
7599         (Stringpool_template::set_string_offsets): Test local optimize
7600         fild rather than parameter.
7601         * layout.cc (Layout::Layout): Call set_optimize on the section
7602         name stringpool.
7603
7604 2009-06-22  Ian Lance Taylor  <iant@google.com>
7605
7606         PR 10030
7607         * yyscript.y: Parse TARGET.
7608         * script.cc (script_set_target): New function.
7609         * script-c.h (script_set_target): Declare.
7610         * options.cc (General_options::string_to_object_format): Rename
7611         from string_to_object_format in anonymous namespace.  Change
7612         callers.
7613         * options.h (class General_options): Declare
7614         string_to_object_format.
7615
7616 2009-06-22  Ian Lance Taylor  <iant@google.com>
7617
7618         * script-sections.cc (Script_sections::create_segments): Don't put
7619         program headers in a PT_LOAD segment if -n or -N.
7620
7621 2009-06-22  Ian Lance Taylor  <iant@google.com>
7622
7623         PR 10141
7624         * options.h (class General_options): Add -z lazy and -z now.  Sort
7625         -z options into alphabetical order.
7626         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7627
7628 2009-06-21  Ian Lance Taylor  <iant@google.com>
7629
7630         * layout.cc (Layout::make_output_section): Call
7631         Target::new_output_section.
7632         (Layout::attach_allocated_section_to_segment): Put large section
7633         sections in a separate load segment with the large segment flag
7634         set.
7635         (Layout::segment_precedes): Sort large data segments after other
7636         load segments.
7637         (align_file_offset): New static function.
7638         (Layout::set_segment_offsets): Use align_file_offset.
7639         * output.h (class Output_section): Add is_small_section_ and
7640         is_large_section_ fields.
7641         (Output_section::is_small_section): New function.
7642         (Output_section::set_is_small_section):  New function.
7643         (Output_section::is_large_section): New function.
7644         (Output_section::set_is_large_section): New function.
7645         (Output_section::is_large_data_section): New function.
7646         (class Output_segment): Add is_large_data_segment_ field.
7647         (Output_segment::is_large_data_segment): New function.
7648         (Output_segment::set_is_large_data_segment): New function.
7649         * output.cc (Output_section::Output_section): Initialize new
7650         fields.
7651         (Output_segment::Output_segment): Likewise.
7652         (Output_segment::add_output_section): Add assertion that large
7653         data sections always go in large data segments.  Force small data
7654         sections to the end of the list of data sections.  Force small BSS
7655         sections to the start of the list of BSS sections.  For large BSS
7656         sections to the end of the list of BSS sections.
7657         * symtab.h (class Symbol): Declare is_common_shndx.
7658         (Symbol::is_defined): Check Symbol::is_common_shndx.
7659         (Symbol::is_common): Likewise.
7660         (class Symbol_table): Define enum Commons_section_type.  Update
7661         declarations.  Add small_commons_ and large_commons_ fields.
7662         * symtab.cc (Symbol::is_common_shndx): New function.
7663         (Symbol_table::Symbol_table): Initialize new fields.
7664         (Symbol_table::add_from_object): Put small and large common
7665         symbols in the right list.
7666         (Symbol_table::sized_finalized_symbol): Check
7667         Symbol::is_common_shndx.
7668         (Symbol_table::sized_write_globals): Likewise.
7669         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7670         common symbol lists.  Don't call do_allocate_commons_list if the
7671         list is empty.
7672         (Symbol_table::do_allocate_commons_list): Remove is_tls
7673         parameter.  Add comons_section_type parameter.  Change all
7674         callers.  Handle small and large common symbols.
7675         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7676         Symbol::is_common_shndx.
7677         * resolve.cc (symbol_to_bits): Likewise.
7678         * target.h (Target::small_common_shndx): New function.
7679         (Target::small_common_section_flags): New function.
7680         (Target::large_common_shndx): New function.
7681         (Target::large_common_section_flags): New function.
7682         (Target::new_output_section): New function.
7683         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7684         small_common_section_flags, and large_common_section_flags
7685         fields.
7686         (Target::do_new_output_section): New virtual function.
7687         * arm.cc (Target_arm::arm_info): Initialize new fields.
7688         * i386.cc (Target_i386::i386_info): Likewise.
7689         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7690         Likewise.
7691         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7692         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7693         (Target_x86_64::do_new_output_section): New function.
7694         * configure.ac: Define conditional MCMODEL_MEDIUM.
7695         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7696         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7697         (large_LDFLAGS): Define.
7698         * testsuite/large.c: New file.
7699         * testsuite/testfile.cc (Target_test::test_target_info):
7700         Initialize new fields.
7701         * configure, testsuite/Makefile.in: Rebuild.
7702
7703 2009-06-05  Doug Kwan  <dougkwan@google.com>
7704
7705         * Makefile.am (CCFILES): Add target.cc.
7706         * Makefile.in: Regenerate.
7707         * i386.cc (class Target_i386): Define new virtual method to
7708         override do_is_local_label_name in parent.
7709         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7710         local symbols if --discard-locals or -X is given.
7711         * options.h (class General_options): Declare new options
7712         '--discard-locals' and '-X' for discarding locals.
7713         * target.h (class Target): Define new methods is_local_label_name.
7714         Declare new virtual method do_is_local_label_name.
7715         * target.cc: New file.
7716         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7717         (check_SCRIPTS): Add discard_locals_test.sh.
7718         (check_DATA): Add discard_local_tests.syms.
7719         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7720         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7721         * testsuite/Makefile.in: Regenerate.
7722         * testsuite/discard_locals_test.c: New file.
7723         * testsuite/discard_locals_test.sh: Same.
7724
7725 2009-06-05  Doug Kwan  <dougkwan@google.com>
7726
7727         * object.cc (Sized_relobj::Sized_relobj): Initialize
7728         discarded_eh_frame_shndx_ to -1U.
7729         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7730         section.
7731         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7732         a discarded .eh_frame section.
7733         (Sized_relobj::do_finalize_local_symbols): Ditto.
7734         * object.h (class Sized_relobj): Declare new member
7735         discarded_eh_frame_shndx_.
7736         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7737         (local_labels_test.o, local_labels_test): New rules.
7738         * testsuite/Makefile.in: Regenerate.
7739
7740 2009-06-04  Doug Kwan  <dougkwan@google.com>
7741
7742         * layout.cc (Layout::section_name_mapping): Add mapping for
7743         special ARM sections.
7744
7745 2009-06-03  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7748         (utils::has_overflow): Same.
7749
7750 2009-06-03  Ian Lance Taylor  <iant@google.com>
7751
7752         * layout.cc (Layout::section_name_mapping): New array, replacing
7753         Layout::linkonce_mapping.
7754         (Layout::section_name_mapping_count): New variable, replacing
7755         Layout::linkonce_mapping_count.
7756         (Layout::linkonce_output_name): Remove.
7757         (Layout::output_section_name): Rewrite.
7758         * layout.h (class Layout): Rename Linkonce_mapping to
7759         Section_name_mapping, linkonce_mapping to section_name_mapping,
7760         linkonce_mapping_count to section_name_mapping_count.  Don't
7761         declare linkonce_output_name.
7762
7763 2009-06-03  Doug Kwan  <dougkwan@google.com>
7764
7765         * gold/arm.cc (namespace utils): New.
7766         (Target_arm::reloc_is_non_pic): Define new method.
7767         (class Arm_relocate_functions): New.
7768         (Target_arm::Relocate::relocate): Handle relocation types used by
7769         Android.
7770
7771 2009-06-03  Ian Lance Taylor  <iant@google.com>
7772
7773         * arm.cc (Target_arm::scan::global): Use || instead of |.
7774
7775 2009-06-02  Doug Kwan  <dougkwan@google.com>
7776
7777         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7778         issued_non_pic_error_.
7779         (class Target_arm::Scan): Declare new method check_non_pic.
7780         Define new method symbol_needs_plt_entry.
7781         Declare new data member issued_non_pic_error_.
7782         (class Target_arm::Relocate): Declare new method
7783         should_apply_static_reloc.
7784         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7785         (Target_arm::Scan::check_non_pic): Define new method.
7786         (Target_arm::Scan::local): Handle a small subset of reloc types used
7787         by Android.
7788         (Target_arm::Scan::local): Same.
7789         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7790
7791 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7792
7793         * incremental.cc (Incremental_inputs::report_command_line): Filter
7794         out --incremental-* options.
7795
7796 2009-05-29  Doug Kwan  <dougkwan@google.com>
7797
7798         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7799         template class.
7800         (class Target_arm): Update comment.
7801         (Target_arm::Target_arm): Initialize new data members GOT_,
7802         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7803         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7804         and Target_arm::rel_dyn_section.
7805         Declare new_enum Target_arm::Got_type.
7806         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7807         and DYNBSS_.
7808         Update commments for member do_dynsym_value.
7809         (Target_arm::got_size, Target_arm::plt_section,
7810         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7811         new methods inside class defintion.
7812         (Target_arm::got_section): Define new method.
7813         (Target_arm::rel_dyn_section): Same.
7814         (Output_data_plt_arm): New template class.
7815         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7816         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7817         (Output_data_plt_arm::add_entry): Same.
7818         (Output_data_plt_arm::first_plt_entry): Define new
7819         static data member for PLT instruction template.
7820         (Output_data_plt_arm::plt_entry): Same.
7821         (Output_data_plt_arm::do_write): Define new method.
7822         (Target_arm::make_plt_entry): Same.
7823         (Target_arm::do_finalize_sections): Same.
7824         (Target_arm::do_dynsym_value): Same.
7825
7826 2009-05-28  Doug Kwan  <dougkwan@google.com>
7827
7828         * Makefile.am (TARGETSOURCES): Add arm.cc.
7829         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7830         * Makefile.in: Regenerate.
7831         * arm.cc: New file.
7832         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7833
7834 2009-05-26  Doug Kwan  <dougkwan@google.com>
7835
7836         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7837         (General_options::check_excluded_libs): Strip off directories in
7838         archive name before matching like GNU ld does.
7839         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7840         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7841         (exclude_libs_test_LDFLAGS): Add linker option
7842         -Wl,--exclude-libs,libexclude_libs_test_3
7843         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7844         an explicit archive without using -l.
7845         (alt/libexclude_libs_test_3.a): New make rule.
7846         * testsuite/Makefile.in: Regenerate.
7847         * testsuite/exclude_libs_test.c : Declare lib3_default().
7848         (main): Call it.
7849         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7850         * exclude_libs_test_3.c: New file.
7851
7852 2009-05-26  Nick Clifton  <nickc@redhat.com>
7853
7854         * po/id.po: New Indonesian translation.
7855         * po/gold.pot: Updated template file.
7856
7857 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7858
7859         * testsuite/Makefile.am: Add -ffunction-sections to compile
7860         gc_comdat_test files.  Add -Wl,--gc-sections to build
7861         gc_comdat_test.
7862         * testsuite/Makefile.in: Regenerate.
7863         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7864
7865 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7866
7867         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7868         kept comdat section was garbage collected.
7869         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7870         * testsuite/Makefile.in: Regenerate.
7871         * testsuite/gc_comdat_test.sh: New file.
7872         * testsuite/gc_comdat_test_1.cc: New file.
7873         * testsuite/gc_comdat_test_2.cc: New file.
7874
7875 2009-05-19  Doug Kwan  <dougkwan@google.com>
7876
7877         * archive.cc (Archive::Archive): Move constructor from archive.h
7878         to here.  Initialize no_export_.
7879         (Archive::get_elf_object_for_member): Set no_export flag of object.
7880         * archive.h (Archive::Archive): Move constructor body to
7881         archive.cc.
7882         (Archive::no_export): New method.
7883         (Archive::no_export_): New field.
7884         * object.h (Object::Object): Initialize no_export_ to false.
7885         (Object::no_export, Object::set_no_export): New methods.
7886         (Object::no_export_): New field.
7887         * options.cc (General_options::parse_exclude_libs): New method.
7888         (General_options::check_excluded_libs) Same.
7889         * options.h (exclude_libs): New option.
7890         (General_options::check_excluded_libs): New method declaration.
7891         (General_options::excluded_libs_): New field.
7892         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7893         default or protected visibility if an object has no-export flag set.
7894         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7895         (check_SCRIPTS): Add exclude_libs_test.sh.
7896         (check_DATA): Add exclude_libs_test.syms.
7897         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7898         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7899         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7900         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7901         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7902         libexclude_libs_test_2.a): New rules.
7903         * testsuite/Makefile.in: Regenerate.
7904         * testsuite/exclude_libs_test.c: New file.
7905         * testsuite/exclude_libs_test.sh: Ditto.
7906         * testsuite/exclude_libs_test_1.c: Ditto.
7907         * testsuite/exclude_libs_test_2.c: Ditto.
7908
7909 2009-05-15  Ian Lance Taylor  <iant@google.com>
7910
7911         * configure.ac: Check for declarations for cases where libiberty.h
7912         checks HAVE_DECL_xxx.
7913         * configure, config.in: Rebuild.
7914
7915 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7916
7917         * gold.h (Incremental_argument_list): Remove (invalid) forward
7918         declaration.
7919         * incremental.cc (Incremental_inputs::report_achive): New method.
7920         (Incremental_inputs::report_object): New method.
7921         (Incremental_inputs::report_script): New method.
7922         (Incremental_inputs::finalize_inputs): New method.
7923         (Incremental_inputs::finalize): Call finalize_inputs().
7924         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7925         Create inputs entries.
7926         * incremental.h (Incremental_input_type): New enum.
7927         (Incremental_inputs::Incremental_input): Initialize new fields.
7928         (Incremental_inputs::report_inputs): New method.
7929         (Incremental_inputs::report_achive): New method.
7930         (Incremental_inputs::report_object): New method.
7931         (Incremental_inputs::report_script): New method.
7932         (Incremental_inputs::finalize_inputs): New method.
7933         (Incremental_inputs::Input_info): New struct.
7934         (Incremental_inputs::Input_info_map): New typedef.
7935         (Incremental_inputs::lock_): New field.
7936         (Incremental_inputs::Inputs_): New field.
7937         (Incremental_inputs::Inputs_map): New field.
7938         * main.cc (main): Call Incremental_input::report_inputs.
7939         * options.h (Input_argument_list): Typedef moved from
7940         Input_arguments.
7941         (Input_file_group::Files): Remove, use ::Input_argument_list.
7942         (Input_file_group::Input_argument_list): Remove, use
7943         ::Input_argument_list.
7944         * plugin.cc (Plugin_manager::add_input_file): Add error in
7945         incremental build.
7946         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7947         functions.
7948         * script.cc (read_input_script): Call
7949         Incremental_input::report_script.
7950         * script.h (Script_info): New class.
7951
7952 2009-04-27  Ian Lance Taylor  <iant@google.com>
7953
7954         * x86_64.cc (do_adjust_output_section): Set entsize to
7955         plt_entry_size.
7956
7957 2009-04-23  Elliott Hughes  <enh@google.com>
7958
7959         * output.cc (Output_file::close): After short writes, continue
7960         writing from the correct offset in the buffer being written.
7961
7962 2009-04-23  Chris Demetriou  <cgd@google.com>
7963
7964         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7965         * configure: Regenerate.
7966         * config.in: Regenerate.
7967         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7968         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7969
7970 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7971
7972         * incremental.cc (Incremental_inputs_header_data): Renamed from
7973         Incremental_input_header_data.
7974         (Incremental_inputs_header_data::data_size): New field.
7975         (Incremental_inputs_header_data::put_input_file_count): Renamed
7976         from input_file_count.
7977         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7978         from command_line_offset.
7979         (Incremental_inputs_header_data::put_reserved): Renamed from
7980         put_reserved.
7981         (Incremental_inputs_entry_data): Renamed from
7982         Incremental_input_entry_data.
7983         (Incremental_inputs_entry_data::data_size): New field.
7984         (Incremental_inputs::report_command_line): New method.
7985         (Incremental_inputs::finalize): New method.
7986         (Incremental_inputs::create_incremental_inputs_data): New method.
7987         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7988         * incremental.h: New file.
7989         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7990        (Layout::finalize): Create incremental inputs section in
7991         incremental builds.
7992        (Layout::create_incremental_info_sections): New method.
7993         * layout.h (Layout::incremental_inputs): New method.
7994        (Layout::create_incremental_info_sections): New method.
7995        (Layout::incremental_inputs_): New field.
7996         * main.cc (main): Notify Incremental_input of the command line.
7997
7998 2009-04-01  Ian Lance Taylor  <iant@google.com>
7999             Mikolaj Zalewski  <mikolajz@google.com>
8000
8001         * gold.h (reserve_unordered_map): Define, three versions, one for
8002         each version of Unordered_map.
8003         * layout.cc (Layout::Layout): Remove options parameter.  Add
8004         number_of_input_files parameter.  Don't initialize options_.
8005         Initialize number_of_input_files_ and resized_signatures_.  Move
8006         sections_are_attached_.
8007         (Layout::layout_group): Reserve space for group_signatures_.
8008         (Layout::find_or_add_kept_section): Change name parameter to be a
8009         reference.  Resize signatures_ map when it gets large enough.
8010         (Layout::layout_eh_frame): Use parameters->options() instead of
8011         this->options_.
8012         (Layout::make_output_section): Likewise.
8013         (Layout::attach_allocated_section_to_segment): Likewise.
8014         (Layout::finalize, Layout::create_executable_stack): Likewise.
8015         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8016         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8017         * layout.h (class Layout): Update declarations.  Remove options_
8018         field.  Add number_of_input_files_ and resized_signatures_
8019         fields.  Move sections_are_attached_ field.
8020         * main.cc (main): Pass number of input files to Layout
8021         constructor.  Don't pass options.
8022
8023 2009-03-30  Ian Lance Taylor  <iant@google.com>
8024
8025         * ffsll.c (ffsll): Correct implementation.
8026
8027 2009-03-27  Ian Lance Taylor  <iant@google.com>
8028
8029         * ffsll.c: New file.
8030         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8031         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8032         * ftruncate.c (ftruncate): Declare before definition.
8033         * mremap.c (mremap): Likewise.
8034         * pread.c (pread): Likewise.
8035         * configure, Makefile.in, config.in: Rebuild.
8036
8037         * mremap.c: New file.
8038         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8039         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8040         (mremap): Declare if HAVE_MREMAP is not defined.
8041         * configure, Makefile.in, config.in: Rebuild.
8042
8043 2009-03-27  Cary Coutant  <ccoutant@google.com>
8044
8045         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8046         position independent.
8047         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8048         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8049
8050 2009-03-24  Cary Coutant  <ccoutant@google.com>
8051
8052         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8053         an executable.
8054         (needs_dynamic_reloc): Likewise.
8055
8056 2009-03-24  Ian Lance Taylor  <iant@google.com>
8057
8058         * yyscript.y (file_cmd): Recognize EXTERN.
8059         (extern_name_list, extern_name_list_body): New nonterminals.
8060         * script.cc (script_add_extern): Define.
8061         * script-c.h (script_add_extern): Declare.
8062
8063 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8064
8065         * object.cc (is_elf_object): Define.
8066         * object.h (is_elf_object): Declare.
8067         * archive.cc (Archive::get_elf_object_for_member): Call
8068         is_elf_object.
8069         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8070
8071 2009-03-24  Elliott Hughes  <enh@google.com>
8072
8073         * output.cc (Output_file::map_anonymous): Define.
8074         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8075         try an anonymous one.  Report the size if the mmap fails.
8076         * output.h (class Output_file): Declare map_anonymous.
8077
8078 2009-03-24  Ian Lance Taylor  <iant@google.com>
8079
8080         * target-select.cc (instantiate_target): Don't acquire the lock if
8081         the instantiated_target_ field has already been set.
8082
8083 2009-03-23  Ian Lance Taylor  <iant@google.com>
8084
8085         * gold-threads.h (class Initialize_lock): Define.
8086         * gold-threads.cc (class Initialize_lock_once): Define.
8087         (initialize_lock_control): New static variable.
8088         (initialize_lock_pointer): New static variable.
8089         (initialize_lock_once): New static function.
8090         (Initialize_lock::Initialize_lock): Define.
8091         (Initialize_lock::initialize): Define.
8092         * target-select.h: Include "gold-threads.h".
8093         (class Target_selector): Add lock_ and initialize_lock_ fields.
8094         Don't define instantiate_target, just declare it.
8095         * target-select.cc (Target_selector::Target_selector): Initialize
8096         new fields.
8097         (Target_selector::instantiate_target): Define.
8098         * descriptors.h: Include "gold-threads.h".
8099         (class Descriptors): Add initialize_lock_ field.
8100         * descriptors.cc (Descriptors::Descriptors): Initialize new
8101         field.
8102         (Descriptors::open): Use initialize_lock_ field
8103         * errors.h (class Errors): Add initialize_lock_ field.
8104         * errors.cc (Errors::Errors): Initialize new field.
8105         (Errors::initialize_lock): Use initialize_lock_ field.
8106         * powerpc.cc (class Target_selector_powerpc): Remove
8107         instantiated_target_ field.  In do_recognize call
8108         instantiate_target rather than do_instantiate_target.  In
8109         do_instantiate_target just allocate a new target.
8110         * sparc.cc (class Target_selector_sparc): Likewise.
8111
8112         * freebsd.h: New file.
8113         * i386.cc: Include "freebsd.h".
8114         (Target_i386): Derive from Target_freebsd rather than
8115         Sized_target.
8116         (Target_selector_i386): Derive from Target_selector_freebsd rather
8117         than Target_selector.
8118         * x86_64.cc: Include "freebsd.h".
8119         (Target_x86_64): Derive from Target_freebsd rather than
8120         Sized_target.
8121         (Target_selector_x86_64): Derive from Target_selector_freebsd
8122         rather than Target_selector.
8123         * target.h (class Target): Add adjust_elf_header and
8124         do_adjust_elf_header.
8125         * output.cc (Output_file_header:: do_sized_write): Call target
8126         adjust_elf_header routine.
8127         * configure.tgt: Set targ_osabi.
8128         * configure.ac: Define GOLD_DEFAULT_OSABI.
8129         * parameters.cc (Parameters::default_target): Pass
8130         GOLD_DEFAULT_OSABI to select_target.
8131         * target-select.h (class Target_selector): Make instantiate_target
8132         protected rather than private.
8133         * Makefile.am (HFILES): Add freebsd.h.
8134         * configure, Makefile.in, config.in: Rebuild.
8135
8136         * merge.cc (do_add_input_section): Correct pend value.  Change
8137         message about last entry not being null terminated from error to
8138         warning.
8139
8140 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8141
8142         * incremental.cc: New file.
8143         * Makefile.am (CCFILES): Add incremental.cc.
8144         * Makefile.in: Rebuild.
8145
8146 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8147
8148         * layout.cc (Layout::output_section_name): Preserve names
8149         of '.note.' sections.
8150
8151 2009-03-19  Ian Lance Taylor  <iant@google.com>
8152
8153         * descriptors.cc (Descriptors::open): Check that the options are
8154         valid before using them.
8155
8156 2009-03-18  Ian Lance Taylor  <iant@google.com>
8157
8158         * script-sections.h: Include <list>.
8159         (class Script_sections): Change Sections_elements from std::vector
8160         to std::list.  Typedef public Elements_iterator.  Add
8161         orphan_section_placement_, data_segment_align_start_, and
8162         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8163         field.
8164         * script-sections.cc (class Orphan_section_placement): New class.
8165         (class Sections_element): Add virtual functions is_relro and
8166         orphan_section_init.  Remove virtual function place_orphan_here.
8167         (class Output_section_definition): Add is_relro and
8168         orphan_section_init.  Remove place_orphan_here.
8169         (class Orphan_output_section): Likewise.
8170         (Script_sections::Script_sections): Update for field changes.
8171         (Script_sections::data_segment_align): Set saw_data_segment_align_
8172         and data_segment_align_start_, not data_segment_align_index.
8173         (Script_sections::data_segment_relro_end): Check
8174         saw_data_segment_align_.  Use data_segment_align_start_ rather
8175         than data_segment_align_index_.
8176         (Script_sections::place_orphan): Rewrite to use
8177         Orphan_section_placement.
8178
8179 2009-03-17  Ian Lance Taylor  <iant@google.com>
8180
8181         * archive.cc (Archive::add_symbols): Check for a version attached
8182         to the symbol name in the archive map.
8183         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8184         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8185         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8186         (ver_test_11.a): New target.
8187         * testsuite/Makefile.in: Rebuild.
8188
8189         * configure.ac: Check for chsize and posix_fallocate.  Replace
8190         ftruncate.
8191         * ftruncate.c: New file, from gnulib.
8192         * output.cc (posix_fallocate): Define dummy version if not
8193         HAVE_POSIX_FALLOCATE.
8194         (Output_file::map): Call posix_fallocate rather than lseek and
8195         write.
8196         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8197         * configure, Makefile.in, config.in: Rebuild.
8198
8199 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8200
8201         * layout.h (Layout::create_note): Add section_name parameter.
8202         * layout.cc (Layout::create_note): Likewise.
8203         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8204
8205 2009-03-17  Ian Lance Taylor  <iant@google.com>
8206
8207         * descriptors.cc: Include "options.h".
8208         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8209         (Descriptors::open): Always use O_CLOEXEC when opening a new
8210         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8211         then set FD_CLOEXEC.
8212
8213         * sparc.cc (class Target_sparc): Add has_got_section.
8214         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8215         make sure we have a GOT section.
8216
8217         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8218         (Target_sparc::Scan::local): Likewise.
8219         (Target_sparc::Scan::global): Likewise.
8220         (Target_sparc::Relocate::relocate): Likewise.
8221         (Target_sparc::Relocate::relocate_tls): Likewise.
8222
8223         * symtab.cc (Symbol_table::define_default_version): New function,
8224         broken out of add_from_object.
8225         (Symbol_table::add_from_object): Call define_default_version.
8226         (Symbol_table::define_special_symbol): Add resolve_oldsym
8227         parameter.  Change all callers.  If the version for a symbol comes
8228         from a version script, resolve it with the symbol with the same
8229         name with no version.  Also add the symbol without a version if
8230         appropriate.
8231         (do_define_in_output_data): If resolving with oldsym, don't delete
8232         sym.
8233         (do_define_in_output_segment): Likewise.
8234         (do_define_as_constant): Likewise.
8235         * symtab.h (class Symbol_table): Update declarations.
8236
8237 2009-03-13  Ian Lance Taylor  <iant@google.com>
8238
8239         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8240         (Read_symbols::requeue): New function.
8241         (Read_symbols::do_read_symbols): If make_elf_object fails because
8242         the target type is not configured, and the file was searched for,
8243         issue a warning and retry with the next directory.
8244         (Add_symbols::run): If the file has an incompatible format, and
8245         it was searched for, requeue the Read_symbols task.  On error,
8246         release the object.
8247         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8248         dirindex parameter to constructor.  Change all callers.  Declare
8249         incompatible_warning and requeue.
8250         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8251         input_argument_ and input_group_ fields.  Add them to
8252         constructor.  Change all callers.
8253         (class Read_script): Add dirindex_ field.  Add it to constructor.
8254         Change all callers.
8255         * archive.cc (Archive::setup): Remove input_objects parameter.
8256         Change all callers.
8257         (Archive::get_file_and_offset): Likewise.
8258         (Archive::read_all_symbols): Likewise.
8259         (Archive::read_symbols): Likewise.
8260         (Archive::get_elf_object_for_member): Remove input_objects
8261         parameter.  Add punconfigured parameter.  Change all callers.
8262         (Archive::add_symbols): Change return type to bool.  Check return
8263         value of include_member.
8264         (Archive::include_all_members): Likewise.
8265         (Archive::include_member): Change return type to bool.  Return
8266         false if first included object has incompatible target.  Set
8267         included_member_ field.
8268         (Add_archive_symbols::run): If add_symbols returns false, requeue
8269         Read_symbols task.
8270         * archive.h (class Archive): Add included_member_ field.
8271         Initialize it in constructor.  Add input_file and searched_for
8272         methods.  Update declarations.
8273         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8274         input_argument_ fields.  Add them to constructor.  Change all
8275         callers.
8276         * script.cc: Include "target-select.h".
8277         (class Parser_closure): Add skip_on_incompatible_target_ and
8278         found_incompatible_target_ fields.  Add
8279         skip_on_incompatible_target parameter to constructor.  Change all
8280         callers.  Add methods skip_on_incompatible_target,
8281         clear_skip_on_incompatible_target, found_incompatible_target, and
8282         set_found_incompatible_target.
8283         (read_input_script): Add dirindex parameter.  Change all callers.
8284         If parser finds an incompatible target, requeue Read_symbols
8285         task.
8286         (script_set_symbol): Clear skip_on_incompatible_target in
8287         closure.
8288         (script_add_assertion, script_parse_option): Likewise.
8289         (script_start_sections, script_add_phdr): Likewise.
8290         (script_check_output_format): New function.
8291         * script.h (read_input_script): Update declaration.
8292         * script-c.h (script_check_output_format): Declare.
8293         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8294         (ignore_cmd): Remove OUTPUT_FORMAT.
8295         * fileread.cc (Input_file::Input_file): Add explicit this.
8296         (Input_file::will_search_for): New function.
8297         (Input_file::open): Add pindex parameter.  Change all callers.
8298         * fileread.h (class Input_file): Add input_file_argument method.
8299         Declare will_search_for.  Update declarations.
8300         * object.cc (make_elf_object): Add punconfigured parameter.
8301         Change all callers.
8302         * object.h (class Object): Make input_file public.  Add
8303         searched_for method.
8304         (make_elf_object): Update declaration.
8305         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8306         restart search.
8307         * dirsearch.h (class Dirsearch): Update declaration.
8308         * options.h (class General_options): Add --warn-search-mismatch.
8309         * parameters.cc (Parameters::is_compatible_target): New function.
8310         * parameters.h (class Parameters): Declare is_compatible_target.
8311         * workqueue.cc (Workqueue::add_blocker): New function.
8312         * workqueue.h (class Workqueue): Declare add_blocker.
8313
8314         * fileread.cc (Input_file::open): Remove options parameter.
8315         Change all callers.
8316         (Input_file::open_binary): Likewise.
8317         * script.cc (read_input_script): Likewise.
8318         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8319         options parameter from constructor.  Change all callers.
8320         (class Read_script): Likewise.
8321         * fileread.h (class Input_file): Update declarations.
8322         * script.h (read_input_script): Update declaration.
8323
8324 2009-03-10  Nick Clifton  <nickc@redhat.com>
8325
8326         * po/es.po: New Spanish translation.
8327
8328 2009-03-06  Cary Coutant  <ccoutant@google.com>
8329
8330         * options.cc (parse_short_option): Keep dash_z from registering itself.
8331
8332 2009-03-03  Ian Lance Taylor  <iant@google.com>
8333
8334         PR 9918
8335         * target-reloc.h (relocate_section): Pass output_section to
8336         relocate.
8337         * i386.cc (Target_i386::should_apply_static_reloc): Add
8338         output_section parameter.  Change all callers.
8339         (Target_i386::Relocate::relocate): Add output_section parameter.
8340         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8341         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8342         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8343         * testsuite/two_file_shared.sh: New script.
8344         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8345         (check_DATA): Add two_file_shared.dbg.
8346         (two_file_shared.dbg): New target.
8347         * testsuite/Makefile.in: Rebuild.
8348
8349 2009-03-01  Ian Lance Taylor  <iant@google.com>
8350
8351         * configure.ac: Check for byteswap.h.
8352         * configure: Rebuild.
8353         * config.in: Rebuild.
8354
8355 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8356
8357         * layout.cc (Layout::find_or_add_kept_section): New function.
8358         (Layout::add_comdat): Removed.
8359         * layout.h (struct Kept_section): Move out of class Layout.
8360         Remove trailing underscores from field names.  Add group_sections
8361         field.  Rename group_ field to is_group.  Change all uses.
8362         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8363         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8364         comdat_groups_ field.
8365         (Sized_relobj::include_section_group): Use
8366         find_or_add_kept_section and Kept_section::group_sections.
8367         (Sized_relobj::include_linkonce_section): Likewise.
8368         * object.cc (class Sized_relobj): Don't define Comdat_group or
8369         Comdat_group_table.  Remove find_comdat_group and
8370         add_comdat_group.  Remove comdat_groups_ field.
8371         * plugin.cc (include_comdat_group): Use
8372         Layout::find_or_add_kept_section.
8373
8374 2009-02-28  Ian Lance Taylor  <iant@google.com>
8375
8376         * README: --gc-sections and map files are now supported.  Document
8377         some build requirements.
8378
8379         PR 6992
8380         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8381         relocatable link set the value of the section symbol to zero.
8382         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8383         relocatable link don't include the section address in the local
8384         symbol value.
8385
8386 2009-02-27  Ian Lance Taylor  <iant@google.com>
8387
8388         PR 6811
8389         * options.h (class Search_directory): Add is_system_directory.
8390         (class General_options): Declare is_in_system_directory.
8391         * options.cc (get_relative_sysroot): Make static.
8392         (get_default_sysroot): Make static.
8393         (General_optoins::is_in_system_directory): New function.
8394         * fileread.cc (Input_file::is_in_system_directory): New function.
8395         * fileread.h (class Input_file): Declare is_in_system_directory.
8396         * object.h (class Object): Add is_in_system_directory.
8397         (class Input_objects): Remove system_library_directory_ field.
8398         * object.cc (Input_objects::add_object): Don't set
8399         system_library_directory_.
8400         (input_objects::found_in_system_library_directory): Remove.
8401         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8402         parameter.  Change all callers.
8403         (Symbol_table::sized_write_globals): Likewise.
8404         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8405         Call Object::is_in_system_directory.
8406         * symtab.h (class Symbol_table): Update declarations.
8407
8408         PR 5990
8409         * descriptors.h (Open_descriptor): Add is_on_stack field.
8410         * descriptors.cc (Descriptors::open): If the descriptor is on the
8411         top of the stack, remove it.  Initialize is_on_stack field.
8412         (Descriptors::release): Only add pod to stack if it is not on the
8413         stack already.
8414         (Descriptors::close_some_descriptor): Clear stack_next and
8415         is_on_stack fields.
8416
8417         PR 7091
8418         * output.cc (Output_section::find_starting_output_address): Rename
8419         from starting_output_address; add PADDR parameter; change return
8420         type.
8421         * output.h (class Output_section): Declare
8422         find_starting_output_address instead of starting_output_address.
8423         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8424         section symbol for which we can't find a merge section.
8425
8426         PR 9836
8427         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8428         hidden or internal, force the symbol to be local.
8429         * resolve.cc (Symbol::override_visibility): Define.
8430         (Symbol::override_base): Use override_visibility.
8431         (Symbol_table::resolve): Likewise.
8432         (Symbol::override_base_with_special): Likewise.
8433         (Symbol_table::override_with_special): If the visibility is hidden
8434         or internal, force the symbol to be local.
8435         * symtab.h (class Symbol): Add set_visibility and
8436         override_visibility.
8437         * testsuite/ver_test_1.sh: New file.
8438         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8439         (check_DATA): Add ver_test_1.syms.
8440         (ver_test_1.syms): New target.
8441         * testsuite/Makefile.in: Rebuild.
8442
8443 2009-02-25  Cary Coutant  <ccoutant@google.com>
8444
8445         * layout.cc (Layout::choose_output_section): Don't rename sections
8446         when using a linker script that has a SECTIONS clause.
8447         * Makefile.in: Regenerate.
8448
8449         * testsuite/Makefile.am (script_test_5.sh): New test case.
8450         * testsuite/Makefile.in: Regenerate.
8451         * testsuite/script_test_5.cc: New file.
8452         * testsuite/script_test_5.sh: New file.
8453         * testsuite/script_test_5.t: New file.
8454
8455 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8456
8457         * archive.cc (Archive::include_member): Update calls to add_symbols.
8458         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8459         the Layout argument.
8460         * dynobj.h (do_add_symbols): Add the Layout argument.
8461         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8462         Layout argument.
8463         * object.h (Object::add_symbols): Add the Layout argument.
8464         (Object::do_add_symbols): Add the Layout argument.
8465         (Sized_relobj::do_add_symbols): Add the Layout argument.
8466         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8467         Unify the two versions.
8468         (Add_plugin_symbols): Remove.
8469         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8470         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8471         (Add_plugin_symbols): Remove.
8472         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8473         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8474         (Add_symbols::run): Make it work with Pulginobj.
8475
8476 2009-02-06  Ian Lance Taylor  <iant@google.com>
8477
8478         * object.cc (Sized_relobj::do_layout): Make info message start
8479         with lower case letter.
8480
8481 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8482
8483         * binary.cc: Fix file comment.
8484
8485         * options.h (enum Incremental_disposition): Define.
8486         (class General_options): Add new options: --incremental,
8487         --incremental_changed, --incremental_unchanged,
8488         --incremental_unknown.  Add incremental_disposition_ and
8489         implicit_incremental_ fields.
8490         (General_options::incremental_disposition): New function.
8491         (class Position_dependent_options): Add incremental_disposition
8492         option.
8493         (Position_dependent_options::copy_from_options): Set incremental
8494         dispositions.
8495         * options.cc (General_options::parse_incremental_changed): New
8496         function.
8497         (General_options::parse_incremental_unchanged): New function.
8498         (General_options::parse_incremental_unknown): New function.
8499         (General_options::General_options): Initialize new fields
8500         incremental_disposition_ and implicit_incremental_.
8501         (General_options::finalize): Check for uasge of --incremental-*
8502         without --incremental.
8503
8504 2009-02-06  Chris Demetriou  <cgd@google.com>
8505
8506         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8507         pointer and to report location as the file name associated with
8508         the symbol.
8509         (gold_undefined_symbol_at_location): New function to replace the
8510         old gold_undefined_symbol functionality.
8511         * target-reloc.h (relocate_section): Update to use
8512         gold_undefined_symbol_at_location.
8513         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8514         Call gold_undefined_symbol function rather than gold_error.
8515         * errors.h (Errors::undefined_symbol): Take location as a
8516         string, rather than calculating it from a relocation.
8517         * errors.cc (Errors::fatal): Print "fatal error:" before the
8518         formatted message.
8519         (Errors::error, Errors::error_at_location): Print "error: "
8520         before the formatted message.
8521         (Errors::undefined_symbol): Take location as a string, rather
8522         than calculating it from a relocation.
8523         (gold_undefined_symbol_at_location): New function akin to
8524         old gold_undefined_symbol, calculates location from relocation.
8525         (gold_undefined_symbol): Change to take only a Symbol pointer
8526         and to report location as the file name associated with the symbol.
8527         * testsuite/debug_msg.sh: Update for changed error messages.
8528         * testsuite/undef_symbol.sh: Likewise.
8529
8530 2009-02-04  Duncan Sands  <baldrick@free.fr>
8531
8532         PR 9812
8533         * reduced_debug_output.h
8534         (Output_reduced_debug_abbrev_section::failed): Use format for
8535         gold_warning.
8536         (Output_reduced_debug_info_section::faild): Likewise.
8537
8538 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8539
8540         * script.cc (Lazy_demangler): New class.
8541         (Version_script_info::get_symbol_version_helper): Demangle a
8542         symbol only once.
8543
8544 2009-01-29  Cary Coutant  <ccoutant@google.com>
8545
8546         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8547         to __tls_get_addr.
8548         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8549
8550 2009-01-28  Ian Lance Taylor  <iant@google.com>
8551
8552         * version.cc (version_string): Bump to 1.9.
8553
8554         * gold.h: Include <cstring> and <stdint.h>.
8555         * version.cc: Include <cstdio>.
8556         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8557         warning.
8558         * reduced_debug_output.cc (insert_into_vector): Rename from
8559         Insert_into_vector; change all callers.  Use Swap_unaligned to
8560         avoid aliasing issue; remove union since it is unnecessary.
8561
8562 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8563
8564         * Makefile.am (CCFILES): Add gc.cc.
8565         (HFILES): Add gc.h.
8566         * Makefile.in: Regenerate.
8567         * gold.cc (Gc_runner): New class.
8568         (queue_initial_tasks): Call garbage collection related tasks
8569         when corresponding options are invoked.
8570         (queue_middle_gc_tasks): New function.
8571         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8572         processed early before laying out sections during garbage collection.
8573         * gold.h (queue_middle_gc_tasks): New function.
8574         (is_prefix_of): Move from "layout.cc".
8575         * i386.cc (Target_i386::gc_process_relocs): New function.
8576         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8577         * main.cc (main): Create object of class "Garbage_collection".
8578         * object.cc (Relobj::copy_symbols_data): New function.
8579         (Relobj::is_section_name_included): New function.
8580         (Sized_relobj::do_layout): Allow this function to be called twice
8581         during garbage collection and defer layout of section during the
8582         first call.
8583         * object.h (Relobj::get_symbols_data): New function.
8584         (Relobj::is_section_name_included): New function.
8585         (Relobj::copy_symbols_data): New function.
8586         (Relobj::set_symbols_data): New function.
8587         (Relobj::get_relocs_data): New function.
8588         (Relobj::set_relocs_data): New function.
8589         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8590         (Relobj::gc_process_relocs): New function.
8591         (Relobj::do_gc_process_relocs): New pure virtual function.
8592         (Relobj::sd_): New data member.
8593         (Sized_relobj::is_output_section_offset_invalid): New function.
8594         (Sized_relobj::do_gc_process_relocs): New function.
8595         * options.h (General_options::gc_sections): Modify to not be a no-op.
8596         (General_options::print_gc_sections): New option.
8597         * plugin.cc (Plugin_finish::run): Remove function call to
8598         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8599         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8600         * reloc.cc (Read_relocs::run): Add task to process relocs and
8601         determine unreferenced sections when doing garbage collection.
8602         (Gc_process_relocs): New class.
8603         (Sized_relobj::do_gc_process_relocs): New function.
8604         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8605         sections that are garbage collected.
8606         * reloc.h (Gc_process_relocs): New class.
8607         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8608         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8609         symbols whose corresponding sections are garbage collected.
8610         (Symbol_table::Symbol_table): Add new parameter for the garbage
8611         collection object.
8612         (Symbol_table::gc_mark_undef_symbols): New function.
8613         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8614         (Symbol_table::gc_mark_dyn_syms): New function.
8615         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8616         as garbage.
8617         (Symbol_table::add_from_object): Likewise.
8618         (Symbol_table::add_from_relobj): When building shared objects, do not
8619         treat externally visible symbols as garbage.
8620         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8621         table information for static and relocatable links.
8622         * symtab.h (Symbol_table::set_gc): New function.
8623         (Symbol_table::gc): New function.
8624         (Symbol_table::gc_mark_undef_symbols): New function.
8625         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8626         (Symbol_table::gc_mark_dyn_syms): New function.
8627         (Symbol_table::gc_): New data member.
8628         * target.h (Sized_target::gc_process_relocs): New pure virtual
8629         function.
8630         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8631         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8632
8633 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8634
8635         * options.h (General_options::gc_sections): Define as a no-op for now.
8636         (General_options::no_keep_memory): Ditto.
8637         (General_options::Bshareable): Define.
8638         * options.cc (General_options::finalize): Honor -Bshareable.
8639
8640 2009-01-20  Andreas Schwab  <schwab@suse.de>
8641
8642         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8643         read the value in the contents, since we don't use it.  Use the
8644         template endianness when writing.
8645         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8646
8647 2009-01-19  Andreas Schwab  <schwab@suse.de>
8648
8649         * configure.tgt (powerpc64-*): Fix targ_obj.
8650
8651 2009-01-15  Ian Lance Taylor  <iant@google.com>
8652
8653         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8654         local symbols when stripping all symbols.
8655
8656 2009-01-14  Cary Coutant  <ccoutant@google.com>
8657
8658         * output.cc (Output_reloc): Add explicit instantiations.
8659
8660 2009-01-14  Cary Coutant  <ccoutant@google.com>
8661
8662         * archive.cc (Archive::get_elf_object_for_member): Remove call
8663         to File_read::claim_for_plugin.
8664         * descriptors.cc (Descriptors::open): Remove reference to
8665         is_claimed.
8666         (Descriptors::claim_for_plugin): Remove.
8667         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8668         (Descriptors::is_claimed): Remove.
8669         (claim_descriptor_for_plugin): Remove.
8670         * fileread.cc (File_read::claim_for_plugin): Remove.
8671         * fileread.h (File_read::claim_for_plugin): Remove.
8672         (File_read::descriptor): Reopen descriptor if necessary.
8673         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8674         (Plugin_manager::all_symbols_read): Add task parameter. Change
8675         all callers.
8676         (Plugin_manager::get_input_file): New function.
8677         (Plugin_manager::release_input_file): New function.
8678         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8679         corresponding data member.
8680         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8681         and pass to base constructor. Change all callers.
8682         (get_input_file, release_input_file): New functions.
8683         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8684         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8685         (Plugin_manager::all_symbols_read): Add task parameter.
8686         (Plugin_manager::get_input_file): New function.
8687         (Plugin_manager::release_input_file): New function.
8688         (Plugin_manager::task_): New data member.
8689         (Pluginobj::Pluginobj): Add filesize parameter.
8690         (Pluginobj::filename): New function.
8691         (Pluginobj::descriptor): New function.
8692         (Pluginobj::filesize): New function.
8693         (Pluginobj::filesize_): New data member.
8694         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8695         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8696         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8697
8698         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8699         with archive libraries.
8700         * testsuite/Makefile.in: Regenerate.
8701         * testsuite/plugin_test.c (struct sym_info): New type.
8702         (get_input_file, release_input_file): New static variables.
8703         (onload): Capture new transfer vector entries.
8704         (claim_file_hook): Stop reading at end of file according to filesize.
8705         Factor out parsing of readelf output into separate function.
8706         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8707         APIs and get the source file name from the symbol table.  Convert
8708         source file name to corresponding object file name.  Print info
8709         message when adding new input files.
8710         (parse_readelf_line): New function.
8711         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8712         * testsuite/plugin_test_2.sh: Likewise.
8713         * testsuite/plugin_test_3.sh: Likewise.
8714         * testsuite/plugin_test_4.sh: New test case.
8715
8716 2009-01-07  Ian Lance Taylor  <iant@google.com>
8717
8718         * version.cc (version_string): Bump to 1.8.
8719
8720 2008-12-23  Cary Coutant  <ccoutant@google.com>
8721
8722         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8723         * plugin.cc (Plugin_manager::finish): Rename as
8724         layout_deferred_objects.  Move cleanup to separate function.
8725         (Plugin_manager::cleanup): New function.
8726         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8727         separately.
8728         * plugin.h (Plugin_manager::finish): Rename as
8729         layout_deferred_objects.
8730         (Plugin_manager::cleanup): New function.
8731         (Plugin_manager::cleanup_done): New field.
8732
8733 2008-12-23  Cary Coutant  <ccoutant@google.com>
8734
8735         * plugin.cc (is_visible_from_outside): New function.
8736         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8737         so we don't return "IR only" status for exported symbols or -r links.
8738
8739         * testsuite/Makefile.am (plugin_test_3): New test case.
8740         * testsuite/Makefile.in: Regenerate.
8741         * testsuite/plugin_test_3.sh: New file.
8742
8743 2008-12-22  Cary Coutant  <ccoutant@google.com>
8744
8745         * object.cc (Sized_relobj::layout_section): New function.
8746         (Sized_relobj::do_layout): Defer layout of input sections until after
8747         plugin has provided replacement files.
8748         (Sized_relobj::do_layout_deferred_sections): New function.
8749         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8750         (Relobj::layout_deferred_sections): New function.
8751         (Relobj::do_layout_deferred_sections): New function.
8752         (Sized_relobj::do_layout_deferred_sections): New function.
8753         (Sized_relobj::layout_section): New function.
8754         (Sized_relobj::Deferred_layout): New structure.
8755         (Sized_relobj::deferred_layout_): New field.
8756         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8757         Change all callers.  Layout deferred sections.
8758         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8759         references.
8760         (Plugin_hook::run): Move code from do_plugin_hook inline.
8761         (Plugin_hook::do_plugin_hook): Remove.
8762         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8763         (Plugin_manager::finish): Renamed, was cleanup.
8764         (Plugin_manager::should_defer_layout): New function.
8765         (Plugin_manager::add_deferred_layout_object): New function.
8766         (Plugin_manager::Deferred_layout_list): New type.
8767         (Plugin_manager::deferred_layout_objects_): New field.
8768         (Plugin_hook::do_plugin_hook): Remove.
8769
8770 2008-12-17  Ian Lance Taylor  <iant@google.com>
8771
8772         * options.h (class General_options): Add --no case for
8773         --export-dynamic.
8774
8775 2008-12-16  Cary Coutant  <ccoutant@google.com>
8776
8777         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8778         vector.
8779         (Plugin_manager::claim_file): Create plugin object even if
8780         plugin did not call the add_symbols callback.
8781         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8782         asking for more symbols than were added.
8783         * testsuite/Makefile.am (plugin_test_1): Add test case with
8784         no global symbols.
8785         (empty.syms): New target.
8786         * testsuite/Makefile.in: Regenerate.
8787         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8788         message. Don't call add_symbols if no globals.
8789         (all_symbols_read_hook): Don't provide replacement for empty
8790         claimed file.
8791
8792 2008-12-12  Ian Lance Taylor  <iant@google.com>
8793
8794         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8795         r_type == 0 for a local symbol with r_sym == 0.
8796         (scan_relocatable_relocs): Pass r_sym to
8797         local_non_section_strategy.
8798         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8799         r_sym parameter.
8800
8801         * configure.ac: Update test for TLS descriptors: they are
8802         supported as of glibc 2.9.
8803         * configure: Rebuild.
8804
8805 2008-12-11  Ian Lance Taylor  <iant@google.com>
8806
8807         PR 7091
8808         * target-reloc.h (Default_scan_relocatable_relocs): For each
8809         function, map r_type == 0 to RELOC_DISCARD.
8810
8811 2008-12-10  Cary Coutant  <ccoutant@google.com>
8812
8813         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8814         object to override a kept COMDAT group from a plugin object.
8815
8816 2008-12-09  Ian Lance Taylor  <iant@google.com>
8817
8818         PR 7088
8819         * yyscript.y (file_cmd): Handle INPUT.
8820
8821         * testsuite/initpri1.c: Change all declarations to be full
8822         prototypes by adding void, to avoid compiler warnings.
8823
8824 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8825
8826         * options.cc (General_options::parse_plugin_opt): New.
8827         (General_options::add_plugin): The argument now is just the filename.
8828         (General_options::add_plugin_option): New.
8829         * options.h (plugin_opt): New.
8830         (add_plugin): Change argument name.
8831         (add_plugin_option): New.
8832         * plugin.cc (Plugin::load): Don't parse the plugin option.
8833         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8834         (Plugin::add_option): New.
8835         (Plugin::args_): Change type.
8836         (Plugin::filename_): New.
8837         (Plugin_manager::add_plugin_option): New.
8838         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8839         * testsuite/Makefile.in: Regenerate.
8840
8841 2008-12-05  Cary Coutant  <ccoutant@google.com>
8842
8843         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8844         Handle --strip-lto-sections option.
8845         * options.h (strip_lto_sections): New option.
8846
8847 2008-12-01  Cary Coutant  <ccoutant@google.com>
8848
8849         * plugin.cc (ld_plugin_message): Change format parameter to const.
8850         Fix mismatch between new[] and delete.
8851
8852 2008-11-14  Cary Coutant  <ccoutant@google.com>
8853
8854         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8855         instead of -1U.
8856
8857 2008-11-05  Craig Silverstein  <csilvers@google.com>
8858
8859         * options.cc (General_options::parse_dynamic_list): New function.
8860         * options.h (General_options): New flags dynamic_list,
8861         dynamic_list_data, dynamic_list_cpp_new, and
8862         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8863         (General_options::in_dynamic_list): New function.
8864         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8865         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8866         (Lex::can_continue_name): Likewise.
8867         (yylex): Likewise.
8868         (read_script_file): New parameter script_options.
8869         (read_dynamic_list): New function.
8870         (Script_options::define_dynamic_list): New function.
8871         (dynamic_list_keyword_parsecodes): New variable.
8872         (dynamic_list_keywords): New variable.
8873         * script.h (Script_options::define_dynamic_list): New function
8874         prototype.
8875         (read_dynamic_list): New function prototype.
8876         * symtab.cc (strprefix): New macro.
8877         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8878         dynamic_list_data, dynamic_list_cpp_new, and
8879         dynamic_list_cpp_typeinfo.
8880         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8881         (dynamic_list_expr): New rule.
8882         (dynamic_list_nodes): Likewise.
8883         (dynamic_list_node): Likewise.
8884         * testsuite/Makefile.am (dynamic_list): New test.
8885         * testsuite/Makefile.in: Regenerated.
8886         * testsuite/dynamic_list.t: New file.
8887         * testsuite/dynamic_list.sh: New file.
8888
8889 2008-11-05  Craig Silverstein  <csilvers@google.com>
8890
8891         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8892         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8893         (t11_last): Likewise.
8894         * testsuite/ver_test_6.c (main): Likewise.
8895
8896 2008-10-07  Cary Coutant  <ccoutant@google.com>
8897
8898         * options.c (General_options::finalize): Add check for -static and
8899         -shared.
8900         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8901         is not empty.
8902
8903 2008-10-02  Cary Coutant  <ccoutant@google.com>
8904
8905         * plugin.cc (make_sized_plugin_object): Fix conditional
8906         compilation to work when not all targets are enabled.
8907
8908 2008-09-29  Cary Coutant  <ccoutant@google.com>
8909
8910         * archive.cc (Archive::get_file_and_offset): Use filename instead
8911         of name to get library path.
8912         (Archive::include_member): Unlock external member of a thin archive.
8913
8914         * testsuite/Makefile.am (TEST_AR): New variable.
8915         (thin_archive_test_1): New test.
8916         (thin_archive_test_2): New test.
8917         * testsuite/Makefile.in: Regenerate.
8918         * testsuite/thin_archive_main.cc: New file.
8919         * testsuite/thin_archive_test_1.cc: New file.
8920         * testsuite/thin_archive_test_2.cc: New file.
8921         * testsuite/thin_archive_test_3.cc: New file.
8922         * testsuite/thin_archive_test_4.cc: New file.
8923
8924 2008-09-29  Cary Coutant  <ccoutant@google.com>
8925
8926         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8927         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8928         instead of -1U.
8929         (Sized_relobj::do_finalize_local_symbols): Likewise.
8930         (Sized_relobj::map_to_kept_section): Likewise.
8931         * object.h (Sized_relobj::invalid_address): New constant.
8932         (Sized_relobj::do_output_section_offset): Check for invalid_address
8933         and return -1ULL.
8934         * output.cc (Output_reloc::local_section_offset): Use constant
8935         invalid_address instead of -1U.
8936         (Output_reloc::get_address): Likewise.
8937         (Output_section::output_address): Change -1U to -1ULL.
8938         * output.h (Output_reloc::invalid_address): New constant.
8939         * reloc.cc (Sized_relobj::write_sections): Use constant
8940         invalid_address instead of -1U.
8941         (Sized_relobj::relocate_sections): Likewise.
8942         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8943         values for merge sections.
8944         * target-reloc.h (relocate_for_relocatable): Use constant
8945         invalid_address instead of -1U.
8946
8947 2008-09-19  Cary Coutant  <ccoutant@google.com>
8948
8949         Add plugin functionality for link-time optimization (LTO).
8950         * configure.ac (plugins): Add --enable-plugins option.
8951         * configure: Regenerate.
8952         * config.in: Regenerate.
8953         * Makefile.am (LIBDL): New variable.
8954         (CCFILES): Add plugin.cc.
8955         (HFILES): Add plugin.h.
8956         (ldadd_var): Add LIBDL.
8957         * Makefile.in: Regenerate.
8958
8959         * archive.cc: Include "plugin.h".
8960         (Archive::setup): Don't preread archive symbols when using a plugin.
8961         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8962         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8963         files.
8964         (Archive::include_member): Add symbols from plugin objects.
8965         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8966         * descriptors.cc (Descriptors::open): Check for file descriptors
8967         abandoned by plugins.
8968         (Descriptors::claim_for_plugin): New function.
8969         * descriptors.h (Descriptors::claim_for_plugin): New function.
8970         (Open_descriptor::is_claimed): New field.
8971         (claim_descriptor_for_plugin): New function.
8972         * fileread.cc (File_read::claim_for_plugin): New function.
8973         * fileread.h (File_read::claim_for_plugin): New function.
8974         (File_read::descriptor): New function.
8975         * gold.cc: Include "plugin.h".
8976         (queue_initial_tasks): Add task to call plugin hooks for generating
8977         new object files.
8978         * main.cc: Include "plugin.h".
8979         (main): Load plugin libraries.
8980         * object.h (Pluginobj): Declare.
8981         (Object::pluginobj): New function.
8982         (Object::do_pluginobj): New function.
8983         (Object::set_target): New function.
8984         * options.cc: Include "plugin.h".
8985         (General_options::parse_plugin): New function.
8986         (General_options::General_options): Initialize plugins_ field.
8987         (General_options::add_plugin): New function.
8988         * options.h (Plugin_manager): Declare.
8989         (General_options): Add --plugin option.
8990         (General_options::has_plugins): New function.
8991         (General_options::plugins): New function.
8992         (General_options::add_plugin): New function.
8993         (General_options::plugins_): New field.
8994         * plugin.cc: New file.
8995         * plugin.h: New file.
8996         * readsyms.cc: Include "plugin.h".
8997         (Read_symbols::do_read_symbols): Check for archive before checking
8998         for ELF file.  Call plugin hooks to claim files.
8999         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9000         from a real object file; force override when processing replacement
9001         files.
9002         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9003         (Symbol::init_base_object): Likewise.
9004         (Symbol::init_base_output_data): Likewise.
9005         (Symbol::init_base_output_segment): Likewise.
9006         (Symbol::init_base_constant): Likewise.
9007         (Symbol::init_base_undefined): Likewise.
9008         (Symbol::output_section): Assert that object is not a plugin.
9009         (Symbol_table::add_from_pluginobj): New function.
9010         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9011         undefined.
9012         (Symbol_table::sized_write_globals): Likewise.
9013         (Symbol_table::add_from_pluginobj): Instantiate template.
9014         * symtab.h (Sized_pluginobj): Declare.
9015         (Symbol::in_real_elf): New function.
9016         (Symbol::set_in_real_elf): New function.
9017         (Symbol::in_real_elf_): New field.
9018         (Symbol_table::add_from_pluginobj): New function.
9019
9020         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9021         (LIBDL): New variable.
9022         (LDADD): Add LIBDL.
9023         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9024         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9025         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9026         (MOSTLYCLEANFILES): Likewise.
9027         * testsuite/Makefile.in: Regenerate.
9028         * testsuite/plugin_test.c: New file.
9029         * testsuite/plugin_test_1.sh: New file.
9030         * testsuite/plugin_test_2.sh: New file.
9031
9032 2008-09-16  Ian Lance Taylor  <iant@google.com>
9033
9034         * target-reloc.h (relocate_section): Check whether a symbol is
9035         defined by the ABI before reporting an undefined symbol error.
9036         * target.h (Target::is_defined_by_abi): Make parameter const.
9037         (Target::do_is_defined_by_abi): Likewise.
9038         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9039         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9040         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9041         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9042         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9043         * testsuite/Makefile.in: Rebuild.
9044
9045         * fileread.cc (make_view): Add casts to avoid warning.
9046
9047 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9048
9049         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9050         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9051
9052 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9053
9054         * options.h (General_options::output_is_executable): New.
9055         (General_options::output_is_pie): New.
9056         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9057         for shared libraries.
9058         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9059
9060 2008-09-11  Chris Demetriou  <cgd@google.com>
9061
9062         * options.h (origin): New -z option.
9063         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9064         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9065         in DT_FLAGS_1.
9066
9067 2008-09-05  Cary Coutant  <ccoutant@google.com>
9068
9069         * fileread.cc (File_read::make_view): Add check for attempt to map
9070         beyond end of file.
9071
9072 2008-09-05  Cary Coutant  <ccoutant@google.com>
9073
9074         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9075         explicit instantiations.
9076
9077 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9078
9079         PR gold/6858
9080         * options.cc (General_options::finalize): Allow undefined symbols
9081         in shlibs if linking -shared.
9082
9083         PR gold/6859
9084         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9085         symbols as not needing a dynsym entry.
9086
9087 2008-08-20  Craig Silverstein  <csilvers@google.com>
9088
9089         * fileread.cc (File_read::open): Do not lock the file unless it
9090         was successfully opened.
9091
9092 2008-08-14  Cary Coutant  <ccoutant@google.com>
9093
9094         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9095         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9096         * testsuite/tls_test.cc (struct int128): 128-bit struct
9097         for testing TLS relocs with non-zero addend.
9098         (v12): New TLS variable.
9099         (t12): New test.
9100         (t_last): Add check for v12.
9101         * testsuite/tls_test.h (t12): New function.
9102         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9103
9104 2008-08-13  Ian Lance Taylor  <iant@google.com>
9105
9106         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9107         set tls_segment_ or relro_segment_.
9108         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9109         when appropriate.
9110         * output.h (Output_section::clear_is_relro): New function.
9111         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9112         sections specially even when output_data_ is empty.
9113         (Output_segment::maximum_alignment): When first section is relro,
9114         only force alignment for PT_LOAD segments.
9115         * script.cc (script_data_segment_align): New function.
9116         (script_data_segment_relro_end): New function.
9117         * script-c.h (script_data_segment_align): Declare.
9118         (script_data_segment_relro_end): Declare.
9119         * script-sections.h (class Script_sections): Declare
9120         data_segment_align and data_segment_relro_end.  Add fields
9121         segment_align_index_ and saw_relro_end_.
9122         * script-sections.cc (class Sections_element): Add set_is_relro
9123         virtual function.  Add new bool* parameter to place_orphan_here.
9124         Add get_output_section virtual function.
9125         (class Output_section_definition): Add set_is_relro.  Add new
9126         bool* parameter to place_orphan_here.  Add get_output_section.
9127         Add is_relro_ field.
9128         (Output_section_definition::Output_section_definition): Initialize
9129         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9130         and is_relro_ fields.
9131         (Output_section_definition::place_orphan_here): Add is_relro
9132         parameter.
9133         (Output_section_definition::set_section_addresses): Set relro for
9134         output section.
9135         (Output_section_definition::alternate_constraint): Likewise.
9136         (class Orphan_output_section): Add new bool* parameter to
9137         place_orphan_here.  Add get_output_section.
9138         (Orphan_output_section::place_orphan_here): Add is_relro
9139         parameter.
9140         (Script_sections::Script_sections): Initialize
9141         data_segment_align_index_ and saw_relro_end_.
9142         (Script_sections::data_segment_align): New function.
9143         (Script_sections::data_segment_relro_end): New function.
9144         (Script_sections::place_orphan): Set or clear is_relro.
9145         (Script_sections::set_section_addresses): Force alignment of first
9146         TLS section.
9147         * yyscript.y (exp): Call script_data_segment_align and
9148         script_data_segment_relro_end.
9149         * testsuite/relro_script_test.t: New file.
9150         * testsuite/relro_test.cc (using_script): Declare.
9151         (t1, t2): Test using_script.
9152         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9153         (relro_script_test_SOURCES): Define.
9154         (relro_script_test_DEPENDENCIES): Define.
9155         (relro_script_test_LDFLAGS): Define.
9156         (relro_script_test_LDADD): Define.
9157         (relro_script_test.so): New target.
9158         * testsuite/Makefile.in: Rebuild.
9159
9160 2008-08-06  Cary Coutant <ccoutant@google.com>
9161
9162         * archive.cc (Archive::total_archives, Archive::total_members)
9163         (Archive::total_members_loaded): New variables.
9164         (Archive::setup): Add parameter.  Add option to preread
9165         archive symbols.
9166         (Archive::read_armap): Add counter.
9167         (Archive::get_file_and_offset): New function.
9168         (Archive::get_elf_object_for_member): New function.
9169         (Archive::read_all_symbols): New function.
9170         (Archive::read_symbols): New function.
9171         (Archive::add_symbols): Add counters.
9172         (Archive::include_all_members): Use armap to find members if it's
9173         already built.
9174         (Archive::include_member): Skip reading symbols if already read.
9175         Factored code into Archive::get_file_and_offset and
9176         Archive::get_elf_object_for_member.  Changed call to
9177         Mapfile::report_include_archive_member.
9178         (Archive::print_stats): New function.
9179         * archive.h: Declare Object and Read_symbols_data classes.
9180         (Archive::Archive): Add initializers for new members.
9181         (Archive::setup): Add parameter.
9182         (Archive::print_stats): New function.
9183         (Archive::total_archives, Archive::total_members)
9184         (Archive::total_members_loaded): New variables.
9185         (Archive::get_file_and_offset): New function.
9186         (Archive::get_elf_object_for_member): New function.
9187         (Archive::read_all_symbols): New function.
9188         (Archive::read_symbols): New function.
9189         (Archive::Archive_member): New class.
9190         (Archive::members_): New member.
9191         (Archive::num_members_): New member.
9192         * main.cc: Include archive.h.
9193         (main): Call Archive::print_stats.
9194         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9195         archive parameter; member_name is now the fully-decorated name.
9196         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9197         * options.h: (General_options): Add --preread-archive-symbols option.
9198         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9199         Archive::setup.
9200
9201 2008-08-04  Ian Lance Taylor  <iant@google.com>
9202
9203         * symtab.h (Symbol::use_plt_offset): New function.
9204         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9205         * powerpc.cc (Relocate::relocate): Likewise.
9206         * sparc.cc (Relocate::relocate): Likewise.
9207         * x86_64.cc (Relocate::relocate): Likewise.
9208         * testsuite/weak_plt.sh: New test.
9209         * testsuite/weak_plt_main.cc: New test.
9210         * testsuite/weak_plt_shared.cc: New test.
9211         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9212         (check_PROGRAMS): Add weak_plt.
9213         (check_DATA): Add weak_plt_shared.so.
9214         (weak_plt_main_pic.o, weak_plt): New targets.
9215         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9216         * testsuite/Makefile.in: Rebuild.
9217
9218         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9219         gcctestdir/ld.
9220         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9221         * testsuite/Makefile.in: Rebuild.
9222
9223 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9224
9225         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9226         * Makefile.in: Regenerate.
9227         * po/POTFILES.in: Regenerate.
9228
9229 2008-07-29  Ian Lance Taylor  <iant@google.com>
9230
9231         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9232         symbols before other symbols.
9233         * testsuite/script_test_2.cc (test_addr): Declare.
9234         (test_addr_alias): Declare.
9235         (main): Check that test_addr and test_addr_alias have the right
9236         values.
9237         * testsuite/script_test_2.t: Define test_addr_alias and
9238         test_addr.
9239
9240 2008-07-24  Ian Lance Taylor  <iant@google.com>
9241
9242         PR 5990
9243         * descriptors.cc: New file.
9244         * descriptors.h: New file.
9245         * gold-threads.h (class Hold_optional_lock): New class.
9246         * fileread.cc: Include "descriptors.h".
9247         (File_read::~File_read): Release descriptor rather than closing
9248         it.
9249         (File_read::open) [file]: Call open_descriptor rather than open.
9250         Set is_descriptor_opened_.
9251         (File_read::open) [memory]: Assert that descriptor is not open.
9252         (File_read::reopen_descriptor): New function.
9253         (File_read::release): Release descriptor.
9254         (File_read::do_read): Make non-const.  Reopen descriptor.
9255         (File_read::read): Make non-const.
9256         (File_read::make_view): Reopen descriptor.
9257         (File_read::do_readv): Likewise.
9258         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9259         Update declarations.
9260         * layout.cc: Include "descriptors.h".
9261         (Layout::create_build_id): Use open_descriptor rather than open.
9262         * output.cc: Include "descriptors.h".
9263         (Output_file::open): Use open_descriptor rather than open.
9264         * archive.cc (Archive::const_iterator): Change Archive to be
9265         non-const.
9266         (Archive::begin, Archive::end): Make non-const.
9267         (Archive::count_members): Likewise.
9268         * archive.h (class Archive): Update declarations.
9269         * object.h (Object::read): Make non-const.
9270         * Makefile.am (CCFILES): Add descriptors.cc.
9271         (HFILES): Add descriptors.h.
9272         * Makefile.in: Rebuild.
9273
9274         PR 6716
9275         * gold.h: Always include <clocale>.  Add Solaris workarounds
9276         following code in binutils/sysdep.h.
9277
9278         PR 6048
9279         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9280         this->eh_frame_hdr_ is NULL before using it.
9281
9282         * dynobj.cc (Versions::Versions): Update comment.
9283
9284         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9285         the base version name.
9286
9287         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9288         array size plus one.
9289         (Stringpool_template::set_string_offsets): Subtract one from key
9290         before using it as an array index.
9291         (Stringpool_template::get_offset_with_length): Likewise.
9292         (Stringpool_template::write_to_buffer): Likewise.
9293         * stringpool.h (Stringpool_template::get_offset_from_key):
9294         Likewise.
9295
9296 2008-07-23  Ian Lance Taylor  <iant@google.com>
9297
9298         PR 6658
9299         * object.h (Merged_symbol_value::value): Do our best to handle a
9300         negative addend.
9301
9302         PR 6647
9303         * script.cc (Version_script_info::get_versions): Don't add empty
9304         version tag to return value.
9305         (Version_script_info::get_symbol_version_helper): Change return
9306         type to bool.  Add pversion parameter.  Change all callers.
9307         (script_register_vers_node): Don't require a non-NULL tag.
9308         * script.h (class Version_script_info): Update declarations.
9309         (Version_script_info::get_symbol_version): Change return type to
9310         bool.  Add version parameter.  Change all callers.
9311         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9312         handling.  Handle an empty version from a version script.
9313         (Symbol_table::define_special_symbol): Likewise.
9314         * testsuite/ver_test_10.script: New file.
9315         * testsuite/ver_test_10.sh: New file.
9316         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9317         (check_DATA): Add ver_test_10.syms.
9318         (ver_test_10.syms, ver_test_10.so): New target.
9319         * testsuite/Makefile.in: Rebuild.
9320
9321 2008-07-23  Simon Baldwin  <simonb@google.com>
9322
9323         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9324         to zero for undefined symbols from dynamic libraries.
9325
9326 2008-07-23  Ian Lance Taylor  <iant@google.com>
9327
9328         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9329         Change all callers.
9330         * symtab.h (class Symbol_table): Update declaration.
9331         * testsuite/ver_test_9.cc: New file.
9332         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9333         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9334         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9335         (ver_test_9.so, ver_test_9.o): New targets.
9336         * testsuite/Makefile.in: Rebuild.
9337
9338 2008-07-22  Ian Lance Taylor  <iant@google.com>
9339
9340         * options.h (class General_options): Define --check-sections.
9341         * layout.cc (Layout::set_segment_offsets): Handle
9342         --check-sections.
9343
9344         * options.h (class General_options): Define -n/--nmagic and
9345         -N/--omagic.
9346         * options.cc (General_options::finalize): For -n/--nmagic or
9347         -N/--omagic, set -static.
9348         * layout.cc (Layout::attach_allocated_section_to_segment): If
9349         -N/--omagic, don't put read-only and read-write sections in
9350         different segments.
9351         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9352         finding a read-only segment.
9353         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9354         don't set the minimum segment alignment to the common page size,
9355         and don't set the file offset to the address modulo the page size.
9356         * script-sections.cc (Script_sections::create_segments): If
9357         -n/--omagic, don't put read-only and read-write sections in
9358         different segments.
9359
9360         * cref.cc: New file.
9361         * cref.h: New file.
9362         * options.h (class General_options): Add --print-symbol-counts.
9363         * main.cc (main): Issue defined symbol report if requested.
9364         * archive.cc (Archive::interpret_header): Make into a const member
9365         function.
9366         (Archive::add_symbols): Call Input_objects::archive_start and
9367         archive_stop.
9368         (Archive::const_iterator): Define new class.
9369         (Archive::begin, Archive::end): New functions.
9370         (Archive::include_all_members): Rewrite to use iterator.
9371         (Archive::count_members): New function.
9372         * archive.h (class Archive): Update declarations.
9373         (Archive::filename): New function.
9374         * object.cc: Include "cref.h".
9375         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9376         (Sized_relobj::do_get_global_symbol_counts): New function.
9377         (Input_objects::add_object): Add object to cross-referencer.
9378         (Input_objects::archive_start): New function.
9379         (Input_objects::archive_stop): New function.
9380         (Input_objects::print_symbol_counts): New function.
9381         * object.h: Declare Cref and Archive.
9382         (Object::get_global_symbol_counts): New function.
9383         (Object::do_get_global_symbol_counts): New pure virtual function.
9384         (class Sized_relobj): Add defined_count_ field.  Update
9385         declarations.
9386         (class Input_objects): Add cref_ field.  Update constructor.
9387         Update declarations.
9388         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9389         defined_count_.
9390         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9391         symbol counts.
9392         (Sized_dynobj::do_get_global_symbol_counts): New function.
9393         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9394         defined_count_.  Update declarations.  Define Symbols typedef.
9395         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9396         parameter.  Change all callers.
9397         (Symbol_table::add_from_dynobj): Add sympointers and defined
9398         parameters.  Change all callers.
9399         * symtab.h (class Symbol_table): Update declarations.
9400         * Makefile.am (CCFILES): Add cref.cc.
9401         (HFILES): Add cref.h.
9402         * Makefile.in: Rebuild.
9403
9404 2008-07-22  Simon Baldwin  <simonb@google.com>
9405
9406         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9407         to zero when writing undefined symbols.
9408
9409 2008-07-22  Ian Lance Taylor  <iant@google.com>
9410
9411         * output.cc (Output_section::add_input_section): Don't try to
9412         merge empty merge sections.
9413
9414 2008-07-21  Craig Silverstein  <csilvers@google.com>
9415
9416         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9417         Include symbol version in error message.
9418
9419 2008-07-20  Chris Demetriou  <cgd@google.com>
9420
9421         * configure.ac (gold_cv_c_random_seed): New configured variable.
9422         (RANDOM_SEED_CFLAGS): New substituted variable.
9423         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9424         * configure: Rebuild.
9425         * Makefile.in: Likewise.
9426         * testsuite/Makefile.in: Likewise.
9427
9428 2008-07-18  Ian Lance Taylor  <iant@google.com>
9429
9430         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9431         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9432         * testsuite/ver_test_main.cc (main): Call t4.
9433         (t4, t4_2a): Define.
9434         * testsuite/ver_test_2.cc (t4_2): Define.
9435         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9436         * testsuite/ver_test_4.cc (t4_2a): Define.
9437         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9438         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9439
9440 2008-07-17  Ian Lance Taylor  <iant@google.com>
9441
9442         * dynobj.cc (Versions::add_def): If we give an error about a
9443         missing version, go ahead and create the version anyhow.
9444
9445 2008-07-10  Ian Lance Taylor  <iant@google.com>
9446
9447         Handle output sections with more than 0x7fffffff bytes.
9448         * object.h (class Relobj): Change map_to_output_ to
9449         output_sections_, and just keep a section pointer.  Change all
9450         uses.  Move comdat group support to Sized_relobj.
9451         (Relobj::is_section_specially_mapped): Remove.
9452         (Relobj::output_section): Remove poff parameter.  Change all
9453         callers.
9454         (Relobj::output_section_offset): New function.
9455         (Relobj::set_section_offset): Rewrite.
9456         (Relobj::map_to_output): Remove.
9457         (Relobj::output_sections): New function.
9458         (Relobj::do_output_section_offset): New pure virtual function.
9459         (Relobj::do_set_section_offset): Likewise.
9460         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9461         group support from Relobj.  Update declarations.
9462         (Sized_relobj::get_output_section_offset): New function.
9463         (Sized_relobj::do_output_section_offset): New function.
9464         (Sized_relobj::do_set_section_offset): New function.
9465         * object.cc (Relobj::output_section_address): Remove.
9466         (Sized_relobj::Sized_relobj): Initialize new fields.
9467         (Sized_relobj::include_section_group): Cast find_kept_object to
9468         Sized_relobj.
9469         (Sized_relobj::include_linkonce_section): Likewise.
9470         (Sized_relobj::do_layout): Use separate arrays for output section
9471         and output offset.
9472         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9473         output_sections.
9474         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9475         output_sections and section_offsets.
9476         (Sized_relobj::write_local_symbols): Likewise.
9477         (map_to_kept_section): Compute output address directly.
9478         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9479         output_sections and section_offsets.
9480         (Sized_relobj::write_sections): Likewise.
9481         (Sized_relobj::relocate_sections): Likewise.
9482         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9483         * output.h (class Output_reloc): Update declarations.  Change
9484         u2_.relobj to Sized_relobj*.
9485         (class Output_data_reloc): Change add functions to use
9486         Sized_relobj*.
9487         * output.cc (Output_reloc::Output_reloc): Change relobj to
9488         Sized_relobj*.
9489         (Output_reloc::local_section_offset): Change return type to
9490         Elf_Addr.  Use get_output_section_offset.
9491         (Output_reloc::get_address): Likewise.
9492         (Output_section::is_input_address_mapped): Don't call
9493         is_section_specially_mapped.
9494         (Output_section::output_offset): Likewise.
9495         (Output_section::output_address): Likewise.
9496         (Output_section::starting_output_address): Likewise.
9497         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9498         parameter to Sized_relobj*.
9499         (Copy_relocs::need_copy_reloc): Likewise.
9500         (Copy_relocs::save): Likewise.
9501         * copy-relocs.h (class Copy_relocs): Update declarations.
9502         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9503         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9504         * target-reloc.h (relocate_for_relocatable): Change
9505         offset_in_output_section type to Elf_Addr.  Change code that uses
9506         it as well.
9507         * layout.cc (Layout::layout): Always set *off.
9508         * mapfile.cc (Mapfile::print_input_section): Use
9509         output_section_offset.
9510         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9511         Sized_relobj*.
9512         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9513         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9514         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9515
9516 2008-07-03  Ian Lance Taylor  <iant@google.com>
9517
9518         * layout.cc (Layout::include_section): Do not discard unrecognized
9519         SHT_STRTAB sections.
9520
9521 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9522
9523         * script.cc (Lex::can_continue_name): Make '?' allowable in
9524         version-script names.
9525         * testsuite/version_script.map: Change glob pattern to use '?'
9526
9527 2008-06-30  Manish Singh  <yosh@gimp.org>
9528
9529         PR 6585
9530         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9531         Correct typo.
9532
9533 2008-06-30  Ian Lance Taylor  <iant@google.com>
9534
9535         PR 6660
9536         PR 6682
9537         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9538         versions]: Don't try to read the value in the contents, since we
9539         don't use it.  Use the template endianness when writing.
9540
9541 2008-06-25  Cary Coutant  <ccoutant@google.com>
9542
9543         * fileread.cc (File_read::make_view): Assert on zero-length view.
9544         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9545         symbol table when there are no symbols to read.
9546
9547 2008-06-23  Craig Silverstein  <csilvers@google.com>
9548
9549         * version.cc (version_string): Bump to 1.7
9550
9551 2008-06-18  Craig Silverstein  <csilvers@google.com>
9552
9553         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9554         constant 0xFFFF to type Valtype.
9555         (Powerpc_relocate_functions::rel16_ha): Likewise.
9556
9557 2008-06-17  Ian Lance Taylor  <iant@google.com>
9558
9559         * output.h (Output_section::Input_section): Initialize p2align_ to
9560         zero for Output_section_data constructors.
9561         (Output_section::Input_section::addralign): If not an input
9562         section, return the alignment of the Output_section_data.
9563         * testsuite/copy_test.cc: New file.
9564         * testsuite/copy_test_1.cc: New file.
9565         * testsuite/copy_test_2.cc: New file.
9566         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9567         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9568         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9569         (copy_test_1_pic.o, copy_test_1.so): New targets.
9570         (copy_test_2_pic.o, copy_test_2.so): New targets.
9571         * testsuite/Makefile.in: Rebuild.
9572
9573         * script-sections.cc (Script_sections::place_orphan): Initialize
9574         local variable exact.
9575
9576 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9577
9578         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9579
9580 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9581             David S. Miller  <davem@davemloft.net>
9582
9583         * powerpc.cc: New file.
9584         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9585         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9586         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9587         * Makefile.in: Rebuild.
9588
9589 2008-06-09  Ian Lance Taylor  <iant@google.com>
9590
9591         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9592         <exception>.
9593         (throwing, orig_terminate): New static variables.
9594         (terminate_handler): New static function.
9595         (t2): Set terminate handler.
9596
9597 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9598
9599         PR 6584
9600         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9601         alignment.
9602
9603 2008-05-30  Cary Coutant  <ccoutant@google.com>
9604
9605         * archive.cc (Archive::include_all_members) Correct to step
9606         over symbol table and extended name table in thin archives.
9607
9608 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9609
9610         PR 6407
9611         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9612         calculation.
9613
9614 2008-05-28  Caleb Howe  <cshowe@google.com>
9615
9616         * reduced_debug_output.cc: New file.
9617         * reduced_debug_output.h: New file.
9618         * options.h (class General_options): Add --strip-debug-non-line.
9619         * options.cc (General_options::finalize): Add strip_debug_non_line
9620         to the strip heirarchy.
9621         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9622         fields.
9623         * layout.cc: Include "reduced_debug_output.h".
9624         (Layout::Layout): Initialize new fields.
9625         (line_only_debug_sections): New static array.
9626         (is_lines_only_debug_sections): New static inline function.
9627         (Layout::include_section): Handle --strip-debug-non-line.
9628         (Layout::make_output_section): If --strip-debug-non-line, build
9629         new output sections for .debug_abbrev and .debug_info.
9630         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9631         gold.  Warn about possible overflow.
9632         (read_signed_LEB_128): Likewise.
9633         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9634         (read_signed_LEB_128): Declare.
9635         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9636         (HFILES): Add reduced_debug_output.h.
9637         * Makefile.in: Rebuild.
9638
9639 2008-05-21  Ian Lance Taylor  <iant@google.com>
9640
9641         * mapfile.cc: New file.
9642         * mapfile.h: New file.
9643         * options.h (class General_options): Add -M/--print-map and -Map.
9644         * options.cc (General_options::finalize): Make -M equivalent to
9645         -Map -.
9646         * main.cc: Include <cstdio> and "mapfile.h".
9647         (main): Open mapfile if requested.
9648         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9649         constructor.  Change caller.
9650         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9651         (queue_middle_tasks): Likewise.
9652         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9653         declarations.
9654         * archive.cc: Include "mapfile.h".
9655         (Archive::add_symbols): Add mapfile parameter.  Change all
9656         callers.  Pass mapfile, symbol, and reason to include_member.
9657         (Archive::include_all_members): Add mapfile parameter.  Change all
9658         callers.
9659         (Archive::include_member): Add mapfile, sym, and why parameters.
9660         Change all callers.  Report inclusion to map file.
9661         * archive.h: Include "fileread.h".
9662         (class Archive): Update declarations.
9663         (Archive::file): New const method.
9664         (class Add_archive_symbols): Add mapfile_ field.  Update
9665         constructor.  Change all callers.
9666         * readsyms.h (class Read_symbols): Likewise.
9667         (class Finish_group): Likewise.
9668         (class Read_script): Likewise.
9669         * common.cc: Include "mapfile.h".
9670         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9671         all callers.
9672         (Symbol_table::do_allocate_commons): Likewise.
9673         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9674         symbol allocation to mapfile.
9675         * common.h (class Allocate_commons_task): Add mapfile_ field.
9676         Update constructor.  Change all callers.
9677         * symtab.h (class Symbol_table): Update declarations.
9678         * layout.cc: Include "mapfile.h".
9679         (Layout_task_runner::run): Print information to mapfile.
9680         (Layout::create_gold_note): Change Output_data_fixed_space to
9681         Output_data_zero_fill.
9682         (Layout::create_build_id): Likewise.
9683         (Layout::print_to_mapfile): New function.
9684         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9685         constructor.  Change caller.
9686         (class Layout): Declare print_to_mapfile.
9687         * output.cc (Output_section::Input_section::print_to_mapfile): New
9688         function.
9689         (Output_section::add_input_section): If producing a map, always
9690         add to input_sections_ list.
9691         (Output_section::do_print_to_mapfile): New function.
9692         (Output_segment::print_sections_to_mapfile): New function.
9693         (Output_segment::print_section_list_to_mapfile): New function.
9694         * output.h: Include "mapfile.h".
9695         (Output_data::print_to_mapfile): New function.
9696         (Output_data::do_print_to_mapfile): New virtual function.
9697         (Output_segment_headers::do_print_to_mapfile): New function.
9698         (Output_file_header::do_print_to_mapfile): New function.
9699         (Output_data_const::do_print_to_mapfile): New function.
9700         (class Output_data_const_buffer): Add map_name_ field.  Update
9701         constructor.  Change all callers.  Add do_print_to_mapfile
9702         function.
9703         (class Output_data_fixed_space): Likewise.
9704         (class Output_data_space): Likewise.
9705         (class Output_data_zero_fill): New class.
9706         (Output_data_strtab::do_print_to_mapfile): New function.
9707         (Output_data_reloc_base::do_print_to_mapfile): New function.
9708         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9709         (Output_data_group::do_print_to_mapfile): New function.
9710         (Output_data_got::do_print_to_mapfile): New function.
9711         (Output_data_dynamic::do_print_to_mapfile): New function.
9712         (Output_symtab_xindex::do_print_to_mapfile): New function.
9713         (class Output_section): Declare do_print_to_mapflie.  Declare
9714         print_to_mapfile in Input_section.
9715         (class Output_segment): Declare new functions.
9716         * object.h (Sized_relobj::symbol_count): New function.
9717         * script-sections.cc
9718         (Output_section_element_dot_assignment::set_section_addresses):
9719         Change Output_data_fixed_space to Output_data_zero_fill.
9720         (Output_data_expression::do_print_to_mapfile): New function.
9721         * script.cc (read_input_script): Add mapfile parameter.  Change
9722         all callers.
9723         * script.h (read_input_script): Update declaration.
9724         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9725         (Eh_frame::do_print_to_mapfile): New function.
9726         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9727         (Output_merge_string::do_print_to_mapfile): New function.
9728         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9729         function.
9730         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9731         function.
9732         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9733         function.
9734         * Makefile.am (CCFILES): Add mapfile.cc.
9735         (HFILES): Add mapfile.h.
9736         * Makefile.in: Rebuild.
9737
9738 2008-05-19  Ian Lance Taylor  <iant@google.com>
9739
9740         * options.h (class General_options): Add -z relro.
9741         * layout.cc (Layout::Layout): Initialize relro_segment_.
9742         (Layout::add_output_section_data): Return the output section.
9743         (Layout::make_output_section): Rcognize relro sections and mark
9744         them appropriately.
9745         (Layout::attach_allocated_section_to_segment): Put relro sections
9746         in a PT_GNU_RELRO segment.
9747         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9748         section as relro.
9749         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9750         PT_TLS segments.
9751         (Layout::linkonce_mapping): Map d.rel.ro.local to
9752         .data.rel.ro.local.
9753         (Layout::output_section_name): Us .data.rel.ro.local for any
9754         section which begins with that.
9755         * layout.h (class Layout): Update add_output_section_data
9756         declaration.  Add relro_segment_ field.
9757         * output.cc (Output_section::Output_section): Initialize is_relro_
9758         and is_relro_local_ fields.
9759         (Output_segment::add_output_section): Group relro sections.
9760         (Output_segment::is_first_section_relro): New function.
9761         (Output_segment::maximum_alignment): If there is a relro section,
9762         align the segment to the common page size.
9763         (Output_segment::set_section_addresses): Track whether we are
9764         looking at relro sections.  If the last section is a relro
9765         section, align to the common page size.
9766         (Output_segment::set_section_list_addresses): Add in_relro
9767         parameter.  Change all callers.  Align to the page size when
9768         moving from relro to non-relro section.
9769         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9770         segment.
9771         * output.h (class Output_section): Add is_relro_ and
9772         is_relro_local_ fields.
9773         (Output_section::is_relro): New function.
9774         (Output_section::set_is_relro): New function.
9775         (Output_section::is_relro_local): New function.
9776         (Output_section::set_is_relro_local): New function.
9777         (class Output_segment): Update declarations.
9778         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9779         * sparc.cc (Target_sparc::got_section): Likewise.
9780         * x86_64.cc (Target_x86_64::got_section): Likewise.
9781         * testsuite/relro_test_main.cc: New file.
9782         * testsuite/relro_test.cc: New file.
9783         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9784         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9785         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9786         (relro_test.so, relro_test_pic.o): New targets.
9787         * testsuite/Makefile.in: Rebuild.
9788
9789 2008-05-16  Ian Lance Taylor  <iant@google.com>
9790
9791         * output.cc (Output_segment::add_output_section): Remove front
9792         parameter.
9793         * output.h (class Output_segment): Remove
9794         add_initial_output_section and overloaded add_output_section.
9795         Update declaration of remaining add_output_section.
9796         * layout.cc (Layout::create_interp): Call add_output_section
9797         rather than add_initial_output_section.
9798         (Layout::finish_dynamic_section): Likewise.
9799
9800         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9801         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9802         know the dynamic type.
9803         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9804         field.  Initialize it in constructor.
9805         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9806         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9807         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9808         reloc.
9809
9810         * output.cc (Output_reloc::get_address): Change return type to
9811         Elf_Addr.
9812         * output.h (class Output_reloc): Update get_address declaration.
9813         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9814         for section addresses.
9815
9816 2008-05-09  Ian Lance Taylor  <iant@google.com>
9817
9818         PR 6493
9819         * gold.cc (gold_nomem): Use return value of write.
9820
9821 2008-05-08  Ian Lance Taylor  <iant@google.com>
9822
9823         * symtab.c (Symbol::init_base_output_data): Add version
9824         parameter.  Change all callers.
9825         (Symbol::init_base_output_segment): Likewise.
9826         (Symbol::init_base_constant): Likewise.
9827         (Symbol::init_base_undefined): Likewise.
9828         (Sized_symbol::init_output_data): Likewise.
9829         (Sized_symbol::init_output_segment): Likewise.
9830         (Sized_symbol::init_constant): Likewise.
9831         (Sized_symbol::init_undefined): Likewise.
9832         (Symbol_table::do_define_in_output_data): If the new symbol has a
9833         version, mark it as the default.
9834         (Symbol_table::do_define_in_output_segment): Likewise.
9835         (Symbol_table::do_define_as_constant): Likewise.
9836         * symtab.h (class Symbol): Update declarations.
9837         (class Sized_symbol): Likewise.
9838         * resolve.cc (Symbol::override_version): New function.
9839         (Symbol::override_base): Call override_version.
9840         (Symbol::override_base_with_special): Likewise.
9841         * testsuite/ver_script_8.script: New file.
9842         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9843         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9844         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9845         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9846
9847 2008-05-06  Ian Lance Taylor  <iant@google.com>
9848
9849         PR 6049
9850         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9851         functions.
9852         (class General_options): Remove existing --undefined, and add
9853         --no-undefined instead.  Add new --undefined as synonym for -u.
9854         * archive.cc (Archive::add_symbols): Check whether symbol was
9855         named with -u.
9856         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9857         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9858         all uses.  Add IS_UNDEFINED.  Update declarations to split
9859         different versions of init_base.  Declare init_base_undefined.
9860         (Symbol::is_defined): Handle IS_UNDEFINED.
9861         (Symbol::is_undefined): Likewise.
9862         (Symbol::is_weak_undefined): Call is_undefined.
9863         (Symbol::is_absolute): Handle IS_CONSTANT.
9864         (class Sized_symbol): Update declarations to split different
9865         versions of init.  Declare init_undefined.
9866         (class Symbol_table): Declare new functions.
9867         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9868         Change all callers.
9869         (Symbol::init_base_output_data): Likewise.
9870         (Symbol::init_base_output_segment): Likewise.
9871         (Symbol::init_base_constant): Likewise.
9872         (Symbol::init_base_undefined): New function.
9873         (Sized_symbol::init_object): Rename from init.  Change all
9874         callers.
9875         (Sized_symbol::init_output_data): Likewise.
9876         (Sized_symbol::init_output_segment): Likewise.
9877         (Sized_symbol::init_constant): Likewise.
9878         (Sized_symbol::init_undefined): New function.
9879         (Symbol_table::add_undefined_symbols_from_command_line): New
9880         function.
9881         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9882         function.
9883         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9884         (Symbol::output_section): Likewise.
9885         (Symbol::set_output_section): Likewise.
9886         (Symbol_table::sized_finalize_symbol): Likewise.
9887         (Symbol_table::sized_write_globals): Likewise.
9888         * resolve.cc (Symbol_table::should_override): Likewise.
9889         (Symbol::override_base_with_special): Likewise.
9890
9891         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9892         symbol, change it to have default visibility.
9893         * testsuite/protected_1.cc: New file.
9894         * testsuite/protected_2.cc: New file.
9895         * testsuite/protected_3.cc: New file.
9896         * testsuite/protected_main_1.cc: New file.
9897         * testsuite/protected_main_2.cc: New file.
9898         * testsuite/protected_main_3.cc: New file.
9899         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9900         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9901         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9902         (protected_1.so): New target.
9903         (protected_1_pic.o, protected_2_pic.o): New targets.
9904         (protected_3_pic.o): New target.
9905         (check_PROGRAMS): Add protected_2.
9906         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9907         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9908         * testsuite/Makefile.in: Rebuild.
9909
9910         * options.h (DEFINE_var): Add set_user_set_##varname__.
9911         (DEFINE_bool_alias): New macro.
9912         (class General_options): Define -Bstatic using DEFINE_bool_alias
9913         rather than DEFINE_special.  Add --undefined as an alias for -z
9914         defs.
9915         * options.cc (General_options::parse_Bstatic): Remove.
9916
9917         * options.h (class General_options): Add --fatal-warnings.
9918         * main.cc (main): Implement --fatal-warnings.
9919         * errors.h (Errors::warning_count): New function.
9920
9921         * options.h (class General_options): Add -Bsymbolic-functions.
9922         * symtab.h (Symbol::is_preemptible): Check for
9923         -Bsymbolic-functions.
9924
9925 2008-05-05  Ian Lance Taylor  <iant@google.com>
9926
9927         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9928         as noVARNAME rather than no-VARNAME.
9929         (class General_options): Add option -z combreloc.
9930         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9931         get_address.
9932         (Output_reloc::sort_before) [SHT_REL]: New function.
9933         (Output_reloc::sort_before) [SHT_RELA]: New function.
9934         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9935         Sort_relocs_comparison.
9936         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9937         parameter.  Change all callers.
9938         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9939         sort_relocs parameter.  Change all callers.
9940         * output.cc (Output_reloc::get_address): New function, broken out
9941         of write_rel.
9942         (Output_reloc::write_rel): Call it.
9943         (Output_reloc::compare): New function.
9944         (Output_data_reloc_base::do_write): Optionally sort relocs.
9945
9946         * configure.ac: If targ_extra_obj is set, link it in.
9947         * configure.tgt: Initialize all variables.
9948         (x86_64*): Set targ_extra_obj and targ_extra_size.
9949         * configure: Rebuild.
9950
9951         * object.cc (Sized_relobj::include_section_group): Adjust section
9952         indexes read from group data.  Build vector to pass to
9953         layout_group.
9954         * layout.cc (Layout::layout_group): Add flags and shndxes
9955         parameters.  Remove contents parameter.  Change caller.  Update
9956         explicit instantiations.
9957         * layout.h (class Layout): Update layout_group declaration.
9958         * output.cc (Output_data_group::Output_data_group): Add flags and
9959         input_shndxes parameters.  Remove contents parameter.  Change
9960         caller.
9961         (Output_data_group::do_write): Change input_sections_ to
9962         input_shndxes_.
9963         * output.h (class Output_data_group): Update constructor
9964         declaration.  Rename input_sections_ to input_shndxes_.
9965         * testsuite/many_sections_test.cc: Add template.
9966
9967 2008-04-30  Cary Coutant  <ccoutant@google.com>
9968
9969         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9970
9971         * layout.cc (Layout::include_section): Refactored check for debug
9972         info section.
9973         (Layout::add_comdat): Add new parameters.  Change type
9974         of signature parameter.  Add object and shndx to signatures table.
9975         (Layout::find_kept_object): New function.
9976         * layout.h: Include <cstring>.
9977         (Layout::is_debug_info_section): New function.
9978         (Layout::add_comdat): Add new parameters.
9979         (Layout::find_kept_object): New function.
9980         (Layout::Kept_section): New struct.
9981         (Layout::Signatures): Change type of map range.
9982         * object.cc (Relobj::output_section_address): New function.
9983         (Sized_relobj::include_section_group): Add new parameters.  Change
9984         calls to Layout::add_comdat.  Change to build table of kept comdat
9985         groups and table mapping discarded sections to kept sections.
9986         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9987         (Sized_relobj::do_layout): Change calls to include_section_group and
9988         include_linkonce_section.
9989         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9990         value to zero when section is discarded.
9991         (Sized_relobj::map_to_kept_section): New function.
9992         * object.h (Relobj::output_section_address): New function.
9993         (Relobj::Comdat_group): New type.
9994         (Relobj::find_comdat_group): New function.
9995         (Relobj::Comdat_group_table): New type.
9996         (Relobj::Kept_comdat_section): New type.
9997         (Relobj::Kept_comdat_section_table): New type.
9998         (Relobj::add_comdat_group): New function.
9999         (Relobj::set_kept_comdat_section): New function.
10000         (Relobj::get_kept_comdat_section): New function.
10001         (Relobj::comdat_groups_): New field.
10002         (Relobj::kept_comdat_sections_): New field.
10003         (Symbol_value::input_value): Update comment.
10004         (Sized_relobj::map_to_kept_section) New function.
10005         (Sized_relobj::include_linkonce_section): Add new parameter.
10006         * target-reloc.h (Comdat_behavior): New type.
10007         (get_comdat_behavior): New function.
10008         (relocate_section): Add code to map a discarded section to the
10009         corresponding kept section when applying a relocation.
10010
10011 2008-04-30  Craig Silverstein  <csilvers@google.com>
10012
10013         * dwarf_reader.cc (next_generation_count): New static var.
10014         (Addr2line_cache_entry): New struct.
10015         (addr2line_cache): New static var.
10016         (Dwarf_line_info::one_addr2line): Added caching.
10017         (Dwarf_line_info::clear_addr2line_cache): New function.
10018         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10019         cache-size parameter.
10020         (Dwarf_line_info::one_addr2line_cache): New function.
10021         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10022         new cache-size argument to one_addr2line(), and clear cache.
10023
10024 2008-04-28  Cary Coutant  <ccoutant@google.com>
10025
10026         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10027         R_386_PC8 relocations.
10028
10029 2008-04-23  Ian Lance Taylor  <iant@google.com>
10030
10031         * object.cc (Sized_relobj::include_section_group): Check for
10032         invalid section group.
10033
10034         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10035         header size.
10036
10037         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10038         than read for file header.
10039         * archive.cc (Archive::include_member): Likewise.
10040
10041 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10042
10043         * aclocal.m4: Regenerate.
10044         * configure: Regenerate.
10045
10046 2008-04-19  Ian Lance Taylor  <iant@google.com>
10047
10048         * version.cc (version_string): Bump to 1.6.
10049
10050         * testsuite/Makefile.am (many_sections_r_test): New target.
10051         (many_sections_r_test_SOURCES): Remove.
10052         (many_sections_r_test_DEPENDENCIES): Remove.
10053         (many_sections_r_test_LDFLAGS): Remove.
10054         (many_sections_r_test_LDADD): Remove.
10055
10056         * object.cc (Sized_relobj::do_add_symbols): Always pass
10057         local_symbol_count_ to add_from_relobj.
10058
10059         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10060         every thousand variables.
10061         * testsuite/Makefile.in: Rebuild.
10062
10063         * object.cc (Xindex::initialize_symtab_xindex): New function.
10064         (Xindex::read_symtab_xindex): New function.
10065         (Xindex::sym_xindex_to_shndx): New function.
10066         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10067         available.
10068         (Sized_relobj::do_initialize_xindex): New function.
10069         (Sized_relobj::do_read_symbols): Adjust section links.
10070         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10071         parameter.  Change all callers.
10072         (Sized_relobj::include_section_group): Adjust section links and
10073         symbol section indexes.
10074         (Sized_relobj::do_layout): Adjust section links.
10075         (Sized_relobj::do_count_local_symbols): Adjust section links and
10076         symbol section indexes.
10077         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10078         ordinary and special symbols.
10079         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10080         dynsym_xindex parameters.  Change all callers.  Adjust section
10081         links.  Use SHN_XINDEX when needed.
10082         (Sized_relobj::get_symbol_location_info): Adjust section links.
10083         Don't get fooled by special symbols.
10084         * object.h (class Xindex): Define.
10085         (class Object): Add xindex_ parameter.  Declare virtual functoin
10086         do_initialize_xindex.
10087         (Object::adjust_sym_shndx): New function.
10088         (Object::set_xindex): New protected function.
10089         (class Symbol_value): Add is_ordinary_shndx_ field.
10090         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10091         (Symbol_value::value): Assert ordinary section.
10092         (Symbol_value::initialize_input_to_output_map): Likewise.
10093         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10094         Change all callers.
10095         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10096         all callers.
10097         (class Sized_relobj): Update declarations.
10098         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10099         parameter.  Change all callers.
10100         (Sized_relobj::adjust_shndx): New function.
10101         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10102         field.
10103         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10104         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10105         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10106         (Sized_dynobj::read_dynsym_section): Adjust section links.
10107         (Sized_dynobj::read_dynamic): Likewise.
10108         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10109         section links.
10110         (Sized_dynobj::do_initialize_xindex): New function.
10111         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10112         do_initialize_xindex.
10113         (Sized_dynobj::adjust_shndx): New function.
10114         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10115         dynsym_xindex_ fields.
10116         (Layout::finalize): Add a call to set_section_indexes before
10117         creating the symtab sections.
10118         (Layout::set_section_indexes): Don't do anything if the section
10119         already has a section index.
10120         (Layout::create_symtab_sections): Add shnum parameter.  Change
10121         caller.  Create .symtab_shndx section if needed.
10122         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10123         caller.
10124         (Layout::allocated_output_section_count): New function.
10125         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10126         needed.
10127         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10128         fields.  Update declarations.
10129         (Layout::symtab_xindex): New function.
10130         (Layout::dynsym_xindex): New function.
10131         (class Write_symbols_task): Add layout_ field.
10132         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10133         Change caller.
10134         * output.cc (Output_section_headers::Output_section_headers): Add
10135         shstrtab_section parameter.  Change all callers.
10136         (Output_section_headers::do_sized_write): Store overflow values
10137         for section count and section string table section index in
10138         section header zero.
10139         (Output_file_header::do_sized_write): Check for overflow of
10140         section count and section string table section index.
10141         (Output_symtab_xindex::do_write): New function.
10142         (Output_symtab_xindex::endian_do_write): New function.
10143         * output.h (class Output_section_headers): Add shstrtab_section_.
10144         Update declarations.
10145         (class Output_symtab_xindex): Define.
10146         (Output_section::has_out_shndx): New function.
10147         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10148         field.
10149         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10150         Change all callers.
10151         (Sized_symbol::init): Likewise.
10152         (Symbol::output_section): Check for ordinary symbol.
10153         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10154         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10155         callers.
10156         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10157         Change all callers.  Simplify handling of symbols from sections
10158         not included in the link.
10159         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10160         distinction.
10161         (Weak_alias_sorter::operator()): Assert that symbols are
10162         ordinary.
10163         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10164         distinction.
10165         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10166         parameters.  Change all callers.
10167         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10168         symbol distinction.  Use SHN_XINDEX when needed.
10169         (Symbol_table::write_section_symbol): Add symtab_xindex
10170         parameter.  Change all callers.
10171         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10172         SHN_XINDEX when needed.
10173         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10174         declarations.
10175         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10176         (Symbol::is_defined): Check is_ordinary.
10177         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10178         (Symbol::is_absolute, Symbol::is_common): Likewise.
10179         (class Sized_symbol): Update declarations.
10180         (class Symbol_table): Update declarations.
10181         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10182         parameters.  Change all callers.
10183         (Sized_symbol::override): Likewise.
10184         (Symbol_table::override): Likewise.
10185         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10186         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10187         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10188         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10189         to be in an ordinary section.
10190         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10191         object and is_ordinary parameters.  Change all callers.
10192         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10193         Change all callers.  Don't add undefined or non-ordinary symbols
10194         to reloc_map_.
10195         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10196         Change all callers.
10197         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10198         declarations.
10199         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10200         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10201         (Sized_relobj::relocate_sections): Likewise.
10202         * target-reloc.h (scan_relocs): Adjust section symbol index.
10203         (scan_relocatable_relocs): Likewise.
10204         * i386.cc (Scan::local): Check for ordinary symbols.
10205         * sparc.cc (Scan::local): Likewise.
10206         * x86_64.cc (Scan::local): Likewise.
10207         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10208         to symbol_section_and_value.
10209         * testsuite/many_sections_test.cc: New file.
10210         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10211         (check_PROGRAMS): Add many_sections_test.
10212         (many_sections_test_SOURCES): Define.
10213         (many_sections_test_DEPENDENCIES): Define.
10214         (many_sections_test_LDFLAGS): Define.
10215         (BUILT_SOURCES): Add many_sections_define.h.
10216         (many_sections_define.h): New target.
10217         (BUILT_SOURCES): Add many_sections_check.h.
10218         (many_sections_check.h): New target.
10219         (check_PROGRAMS): Add many_sections_r_test.
10220         (many_sections_r_test_SOURCES): Define.
10221         (many_sections_r_test_DEPENDENCIES): Define.
10222         (many_sections_r_test_LDFLAGS): Define.
10223         (many_sections_r_test_LDADD): Define.
10224         (many_sections_r_test.o): New target.
10225         * testsuite/Makefile.in: Rebuild.
10226
10227 2008-04-17  Cary Coutant  <ccoutant@google.com>
10228
10229         * errors.cc (Errors::info): New function.
10230         (gold_info): New function.
10231         * errors.h (Errors::info): New function.
10232         * gold.h (gold_info): New function.
10233         * object.cc (Input_objects::add_object): Print trace output.
10234         * options.cc (options::parse_set): New function.
10235         (General_options::parse_wrap): Deleted.
10236         (General_options::General_options): Deleted initializer.
10237         * options.h (options::String_set): New typedef.
10238         (options::parse_set): New function.
10239         (DEFINE_set): New macro.
10240         (General_options::wrap): Changed to use DEFINE_set. Changed
10241         callers of any_wrap_symbols and is_wrap_symbol.
10242         (General_options::trace, General_options::trace_symbol):
10243         New options.
10244         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10245         (General_options::wrap_symbols_): Deleted.
10246         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10247
10248 2008-04-17  David S. Miller  <davem@davemloft.net>
10249
10250         * options.cc (General_options::parse_V): New function.
10251         * options.h: Add entries for -V and -Qy.
10252
10253 2008-04-17  Ian Lance Taylor  <iant@google.com>
10254
10255         * common.cc (Symbol_table::allocate_commons): Remove options
10256         parameter.  Change caller.
10257         (Symbol_table::do_allocate_commons): Remove options parameter.
10258         Change caller.  Just call do_allocate_commons_list twice.
10259         (Symbol_table::do_allocate_commons_list): New function, broken out
10260         of do_allocate_commons.
10261         * common.h (class Allocate_commons_task): Remove options_ field.
10262         Update constructor.
10263         * symtab.cc (Symbol_table::Symbol_table): Initialize
10264         tls_commons_.
10265         (Symbol_table::add_from_object): Put TLS common symbols on
10266         tls_commons_ list.
10267         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10268         which are IN_OUTPUT_DATA.
10269         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10270         allocate_commons and do_allocate_commons declarations.  Declare
10271         do_allocate_commons_list.
10272         * gold.cc (queue_middle_tasks): Update creation of
10273         Allocate_commons_task to not pass options.
10274         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10275         (TLS_TEST_C_FLAGS): New variable.
10276         (tls_test_c_pic.o): New target.
10277         (tls_test_shared.so): Link in tls_test_c_pic.o.
10278         (tls_test_c_pic_ie.o): New target.
10279         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10280         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10281         (tls_test_c.o): New target.
10282         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10283         (tls_pic_test_LDADD): Likewise.
10284         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10285         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10286         (tls_test_c_gnu2.o): New target.
10287         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10288         tls_test_c_gnu2.o.
10289         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10290         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10291         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10292         * testsuite/tls_test.cc: Include "config.h".
10293         (t_last): Call t11_last.
10294         * testsuite/tls_test.h (t11, t11_last): Declare.
10295         * testsuite/tls_test_c.c: New file.
10296         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10297         * configure.ac: Check for OpenMP support.
10298         * configure, config.in, Makefile.in: Rebuild.
10299         * testsuite/Makefile.in: Rebuild.
10300
10301 2008-04-16  Cary Coutant  <ccoutant@google.com>
10302
10303         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10304         (Target_i386::tls_base_symbol_defined_): New field.
10305         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10306         (Target_i386::Scan::global): Likewise.
10307         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10308         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10309         (Target_x86_64::tls_base_symbol_defined_): New field.
10310         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10311         (Target_x86_64::Scan::global): Likewise.
10312
10313 2008-04-16  Cary Coutant  <ccoutant@google.com>
10314
10315         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10316         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10317         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10318         building shared libraries.
10319         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10320         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10321         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10322         * testsuite/Makefile.in: Rebuild.
10323         * testsuite/weak_undef.h: New file.
10324         * testsuite/weak_undef_file1.cc: Add extra test cases.
10325         * testsuite/weak_undef_file2.cc: Likewise.
10326         * testsuite/weak_undef_test.cc: Likewise.
10327
10328 2008-04-16  David S. Miller  <davem@davemloft.net>
10329
10330         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10331         Add issued_non_pic_error_ field.  Declare check_non_pic.
10332         (Target_sparc::Scan::check_non_pic): New function.
10333         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10334         (Target_sparc::Scan::global): Likewise.
10335
10336         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10337         * configure: Rebuild.
10338
10339         * options.h (DEFINE_enable): New macro.
10340         (new_dtags): New enable option.
10341         (initfirst, interpose, loadfltr, nodefaultlib,
10342         nodelete, nodlopen, nodump): New -z options.
10343         * layout.cc (Layout:finish_dynamic_section): If new
10344         dtags enabled, emit DT_RUNPATH.  Also, emit a
10345         DT_FLAGS_1 containing any specified -z flags.
10346
10347 2008-04-16  Ian Lance Taylor  <iant@google.com>
10348
10349         * copy-relocs.cc: New file.
10350         * copy-relocs.h: New file.
10351         * reloc.cc: Remove Copy_relocs code.
10352         * reloc.h: Likewise.
10353         * reloc-types.h (struct Reloc_types) [both versions]: Add
10354         get_reloc_addend_noerror.
10355         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10356         variants of add_global which take an addend which must be zero.
10357         * i386.cc: Include "copy-relocs.h".
10358         (class Target_i386): Change type of copy_relocs_ to variable,
10359         update initializer.
10360         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10361         Change all callers.
10362         (Target_i386::do_finalize_sections): Change handling of
10363         copy_relocs_.
10364         * sparc.cc: Include "copy-relocs.h".
10365         (class Target_sparc): Change type of copy_relocs_ to variable,
10366         update initializer.
10367         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10368         Change all callers.
10369         (Target_sparc::do_finalize_sections): Change handling of
10370         copy_relocs_.
10371         * x86_64.cc: Include "copy-relocs.h".
10372         (class Target_x86_64): Change type of copy_relocs_ to variable,
10373         update initializer.
10374         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10375         class.  Change all callers.
10376         (Target_x86_64::do_finalize_sections): Change handling of
10377         copy_relocs_.
10378         * Makefile.am (CCFILES): Add copy-relocs.cc.
10379         (HFILES): Add copy-relocs.h.
10380
10381         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10382
10383         * testsuite/script_test_4.sh: Permit leading zeroes.
10384
10385 2008-04-15  Ian Lance Taylor  <iant@google.com>
10386
10387         * script-sections.cc (Script_sections::create_segments): Use
10388         header_size_adjustment even when there is enough room for the
10389         headers.
10390         * testsuite/script_test_4.sh: New file.
10391         * testsuite/script_test_4.t: New file.
10392         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10393         (check_DATA): Add script_test_4.stdout.
10394         (MOSTLYCLEANFILES): Likewise.
10395         (script_test_4): New target.
10396         (script_test_4.stdout): New target.
10397         * testsuite/Makefile.in: Rebuild.
10398
10399         * sparc.cc: Add definitions for Output_data_plt_sparc class
10400         constants.
10401
10402 2008-04-14  David S. Miller  <davem@davemloft.net>
10403
10404         * sparc.cc: New file.
10405         * Makefile.am (TARGETSOURCES): Add sparc.cc
10406         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10407         * configure.tgt: Document targ_extra_size and
10408         targ_extra_big_endian.  Add entries for sparc-* and
10409         sparc64-*.
10410         * configure.ac: Handle targ_extra_size and
10411         targ_extra_big_endian.
10412         * Makefile.in: Rebuild.
10413         * configure: Likewise.
10414         * po/POTFILES.in: Likewise.
10415         * po/gold.pot: Likewise.
10416
10417 2008-04-14  Ian Lance Taylor  <iant@google.com>
10418
10419         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10420         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10421         in the name/type/flags to section mapping.  Don't call
10422         allocate_output_section.
10423         (Layout::choose_output_section): Change parameter from adjust_name
10424         to is_input_section.  Don't permit input sections after sections
10425         are attached to segments.  Don't call allocate_output_section.
10426         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10427         not write_enable_output_section.
10428         (Layout::make_output_section): Don't push to
10429         unattached_section_list_ nor call attach_to_segment.  Call
10430         attach_section_to_segment if sections are attached.
10431         (Layout::attach_sections_to_segments): New function.
10432         (Layout::attach_section_to_segment): New function.
10433         (Layout::attach_allocated_section_to_segment): Rename from
10434         attach_to_segment.  Remove flags parameter.
10435         (Layout::allocate_output_section): Remove function.
10436         (Layout::write_enable_output_section): Remove function.
10437         * layout.h (class Layout): Update for above changes.  Add new
10438         field sections_are_attached_.
10439         * output.h (Output_section::update_flags_for_input_section): New
10440         function.
10441         * output.cc (Output_section::add_input_section): Call
10442         update_flags_for_input_section.
10443         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10444
10445 2008-04-11  Cary Coutant  <ccoutant@google.com>
10446
10447         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10448         thought unnecessary.
10449         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10450
10451 2008-04-11  Ian Lance Taylor  <iant@google.com>
10452
10453         * output.h (class Output_section_data): Remove inline definition
10454         of set_addralign.
10455         * output.cc (Output_section_data::set_addralign): New function.
10456
10457 2008-04-11  Cary Coutant  <ccoutant@google.com>
10458
10459         Add support for TLS descriptors for i386 and x86_64.
10460         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10461         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10462         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10463         GOT_TYPE_TLS_DESC.
10464         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10465         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10466         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10467         relocations.
10468         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10469         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10470         Fix problem with initial-exec relocations.
10471         (Target_i386::Relocate::relocate_tls): Likewise.
10472         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10473         relaxation.
10474         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10475         support for section-plus-offset dynamic table entries.
10476         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10477         (Output_data_dynamic::Dynamic_entry): Add support for
10478         section-plus-offset dynamic table entries.
10479         (Output_data_dynamic::Classification): Likewise.
10480         (Output_data_dynamic::classification_): Renamed offset_.
10481         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10482         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10483         (Target_x86_64::make_plt_section): New function.
10484         (Target_x86_64::reserve_tlsdesc_entries): New function.
10485         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10486         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10487         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10488         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10489         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10490         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10491         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10492         add extra PLT entry for TLS descriptors.
10493         (Output_data_plt_x86_64::got_): New field.
10494         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10495         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10496         fields.
10497         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10498         descriptors.
10499         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10500         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10501         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10502         R_386_TLS_DESC_CALL relocations.
10503         (Target_x86_64::Scan::global): Likewise.
10504         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10505         for TLS descriptors.
10506         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10507         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10508         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10509         GD-to-IE relaxation.
10510         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10511         and TLS_DESCRIPTORS.
10512         * Makefile.in: Rebuild.
10513         * configure: Rebuild.
10514         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10515         (tls_test_shared2.so): New target.
10516         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10517         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10518         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10519         (tls_shared_gd_to_ie_test_LDADD): New variable.
10520         (tls_shared_gnu2_gd_to_ie_test): New target.
10521         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10522         New targets.
10523         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10524         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10525         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10526         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10527         (tls_shared_gnu2_test): New target.
10528         (tls_test_gnu2_shared.so): New target.
10529         (tls_shared_gnu2_test_SOURCES): New variable.
10530         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10531         (tls_shared_gnu2_test_LDFLAGS): New variable.
10532         (tls_shared_gnu2_test_LDADD): New variable.
10533         * testsuite/Makefile.in: Rebuild.
10534         * testsuite/Makefile.
10535
10536 2008-04-11  Ian Lance Taylor  <iant@google.com>
10537
10538         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10539         justsyms.t.
10540         * testsuite/Makefile.in: Rebuild.
10541
10542         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10543         long.
10544         * testsuite/script_test_2.cc (main): Adjust test.
10545
10546 2008-04-11  David S. Miller  <davem@davemloft.net>
10547             Ian Lance Taylor  <iant@google.com>
10548
10549         * options.h (General_options): Add entries for '-Y' and
10550         '-relax'.
10551         * options.cc (General_options:finalize): If -Y was used, add those
10552         entries to the library path instead of the default "/lib" and
10553         "/usr/lib".
10554
10555 2008-04-11  David S. Miller  <davem@davemloft.net>
10556
10557         * testsuite/justsyms.t: Start at 0x100.
10558         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10559         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10560         long.
10561         * testsuite/script_test_2.cc: Adjust string and section length
10562         checks.
10563
10564 2008-04-09  Ian Lance Taylor  <iant@google.com>
10565
10566         PR gold/5996
10567         * script-sections.cc (Sections_element::allocate_to_segment): Add
10568         orphan parameter.
10569         (Output_section_definition::allocate_to_segment): Likewise.
10570         (Orphan_output_section::allocate_to_segment): Likewise.
10571         (Script_sections::attach_sections_using_phdrs_clause): Don't
10572         propagate non-PT_LOAD segments to orphan sections.
10573         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10574         readelf rather than objdump.
10575         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10576         .interp section and PT_INTERP segment are the same size.
10577         * testsuite/Makefile.in: Rebuild.
10578
10579         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10580         aliases for symbols defined in the same object.
10581         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10582         (weak_alias_test_SOURCES): New variable.
10583         (weak_alias_test_DEPENDENCIES): New variable.
10584         (weak_alias_test_LDFLAGS): New variable.
10585         (weak_alias_test_LDADD): New variable.
10586         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10587         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10588         (weak_alias_test_3.o): New target.
10589         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10590         * testsuite/weak_alias_test_main.cc: New file.
10591         * testsuite/weak_alias_test_1.cc: New file.
10592         * testsuite/weak_alias_test_2.cc: New file.
10593         * testsuite/weak_alias_test_3.cc: New file.
10594
10595 2008-04-08  Ian Lance Taylor  <iant@google.com>
10596
10597         * options.h (class General_options): Add --noinhibit-exec option.
10598         * main.cc (main): Check --noinhibit-exec.
10599
10600         * options.h (class General_options): Define --wrap as a special
10601         option.  Add wrap_symbols_ field.
10602         (General_options::any_wrap_symbols): New function.
10603         (General_options::is_wrap_symbol): New function.
10604         * options.cc (General_options::parse_wrap): New function.
10605         (General_options::General_options): Initialize wrap_symbols_.
10606         * symtab.cc (Symbol_table::wrap_symbol): New function.
10607         (Symbol_table::add_from_object): Handle --wrap.
10608         * symtab.h (class Symbol_table): Declare wrap_symbol.
10609         * target.h (Target::wrap_char): New function.
10610         (Target::Target_info): Add wrap_char field.
10611         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10612         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10613         * testsuite/testfile.cc (Target_test::test_target_info):
10614         Likewise.
10615
10616         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10617         there is one.
10618
10619         * layout.h (class Layout): Add added_eh_frame_data_ field.
10620         * layout.cc (Layout::Layout): Initialize new field.
10621         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10622         output section until we find a section we merged successfully.
10623         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10624         that the size be non-zero.
10625
10626         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10627         qualifier.
10628
10629 2008-04-08  Craig Silverstein  <csilvers@google.com>
10630
10631         * configure.ac: Export new conditional variable HAVE_ZLIB.
10632         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10633         on HAVE_ZLIB.
10634         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10635         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10636
10637 2008-04-07  Ian Lance Taylor  <iant@google.com>
10638
10639         * version.cc (version_string): Set to "1.5".
10640
10641         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10642         Add issued_non_pic_error_ field.  Declare check_non_pic.
10643         (Target_x86_64::Scan::check_non_pic): New function.
10644         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10645         (Target_x86_64::Scan::global): Likewise.
10646
10647         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10648         addend parameter.  Change caller.  Handle merge sections.
10649         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10650         Address to Addend.  Don't add in the result of
10651         local_section_offset, pass down the addend and use the returned
10652         value.
10653         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10654         Update declarations of local_section_offset and symbol_value.
10655         * testsuite/two_file_test_1.cc (t18): New function.
10656         * testsuite/two_file_test_2.cc (f18): New function.
10657         * testsuite/two_file_test_main.cc (main): Call t18.
10658         * testsuite/two_file_test.h (t18, f18): Declare.
10659
10660         * configure.ac: Don't test for objdump, c++filt, or readelf.
10661         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10662         conditionals.
10663         (TEST_READELF): New variable.
10664         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10665         (check_PROGRAMS): Add two_file_strip_test.
10666         (two_file_strip_test): New target.
10667         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10668         (two_file_same_shared_strip_test_SOURCES): New variable.
10669         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10670         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10671         (two_file_same_shared_strip_test_LDADD): New variable.
10672         (two_file_shared_strip.so): New target.
10673         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10674         (ver_test_5.syms, ver_test_7.syms): Likewise.
10675         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10676         (strip_test_3.stdout): Use TEST_OBJDUMP.
10677         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10678
10679 2008-04-04  Cary Coutant  <ccoutant@google.com>
10680
10681         * symtab.h (Symbol::is_weak_undefined): New function.
10682         (Symbol::is_strong_undefined): New function.
10683         (Symbol::is_absolute): New function.
10684         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10685         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10686         absolute symbols.
10687         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10688         (weak_undef_test): New target.
10689         * testsuite/Makefile.in: Rebuild.
10690         * testsuite/weak_undef_file1.cc: New file.
10691         * testsuite/weak_undef_file2.cc: New file.
10692         * testsuite/weak_undef_test.cc: New file.
10693
10694 2008-04-03  Craig Silverstein  <csilvers@google.com>
10695
10696         * compressed_output.h (class Output_compressed_section): Use
10697         unsigned buffer.
10698         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10699         add zlib header.
10700         (zlib_compressed_suffix): Removed.
10701         (Output_compressed_section::set_final_data_size): Use unsigned
10702         buffers.
10703         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10704         Fix linker invocation.
10705         (flagstest_o_specialfile_and_compress_debug_sections):
10706         Likewise.
10707         * testsuite/Makefile.in: Regenerated.
10708
10709 2008-04-02  David S. Miller  <davem@davemloft.net>
10710
10711         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10712         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10713
10714 2008-04-02  Craig Silverstein  <csilvers@google.com>
10715
10716         * TODO: New file.
10717
10718 2008-04-02  Ian Lance Taylor  <iant@google.com>
10719
10720         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10721         parameters.  Update for new key type to views_.  Change all
10722         callers.
10723         (File_read::read): Adjust for byteshift in returned view.
10724         (File_read::add_view): New function, broken out of
10725         find_and_make_view.
10726         (File_read::make_view): New function, broken out of
10727         find_and_make_view.
10728         (File_read::find_or_make_view): Add offset and aligned
10729         parameters.  Rewrite accordingly.  Change all callers.
10730         (File_read::get_view): Add offset and aligned parameters.  Adjust
10731         for byteshift in return value.
10732         (File_read::get_lasting_view): Likewise.
10733         * fileread.h (class File_read): Update declarations.
10734         (class File_read::View): Add byteshift_ field.  Add byteshift to
10735         constructor.  Add byteshift method.
10736         * archive.h (Archive::clear_uncached_views): New function.
10737         (Archive::get_view): Add aligned parameter.  Change all callers.
10738         * object.h (Object::get_view): Add aligned parameter.  Change all
10739         callers.
10740         (Object::get_lasting_view): Likewise.
10741
10742         * fileread.cc (File_read::release): Don't call clear_views if
10743         there are multiple objects.
10744         * fileread.h (File_read::clear_uncached_views): New function.
10745         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10746         on the archive.
10747
10748 2008-03-31  Cary Coutant  <ccoutant@google.com>
10749
10750         Add thin archive support.
10751         * archive.cc (Archive::armagt): New const.
10752         (Archive::setup): Remove task parameter and calls to unlock.
10753         (Archive::unlock_nested_archives): New function.
10754         (Archive::read_header): Add nested_off parameter. Change
10755         all callers.
10756         (Archive::interpret_header): Likewise.
10757         (Archive::include_all_members): Change to handle thin
10758         archives.
10759         (Archive::include_member): Likewise.
10760         * archive.h (Archive::Archive): Add new parameters and
10761         initializers.
10762         (Archive::armagt): New const.
10763         (Archive::setup): Remove task parameter.
10764         (Archive::unlock_nested_archives): New function.
10765         (Archive::read_header): Add nested_off parameter.
10766         (Archive::interpret_header): Likewise.
10767         (Archive::Nested_archive_table): New typedef.
10768         (Archive::is_thin_archive_): New field.
10769         (Archive::nested_archives_): New field.
10770         (Archive::options_): New field.
10771         (Archive::dirpath_): New field.
10772         (Archive::task_): New field.
10773         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10774         for thin archives.  Pass additional parameters to
10775         Archive::Archive.  Unlock the archive file after calling
10776         Archive::setup.
10777
10778 2008-03-29  Ian Lance Taylor  <iant@google.com>
10779
10780         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10781         version symbol to be local.
10782         * testsuite/ver_test_4.sh: New file.
10783         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10784         (check_DATA): Add ver_test_4.syms.
10785         (ver_test_4.syms): New target.
10786         * testsuite/Makefile.in: Rebuild.
10787
10788         * output.cc
10789         (Output_section::Input_section_sort_entry::has_priority): New
10790         function.
10791         (Output_section::Input_section_sort_entry::match_file_name): New
10792         function.
10793         (Output_section::Input_section_sort_entry::match_section_name):
10794         Remove.
10795         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10796         Remove.
10797         (Output_section::Input_section_sort_entry::match_section_file):
10798         Remove.
10799         (Output_section::Input_section_sort_compare::operator()): Rewrite
10800         using new Input_section_sort_entry functions.  Sort crtbegin and
10801         crtend first.  Sort sections with no priority before sections with
10802         a priority.
10803         * testsuite/initpri1.c (d3): Check j != 4.
10804         (cd5): New constructor/destructor function.
10805         (main): Check j != 2.
10806
10807         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10808         new symbol when resolving, don't call set_is_default.
10809         * testsuite/ver_test_7.cc: New file.
10810         * testsuite/ver_test_7.sh: New file.
10811         * testsuite/Makefile.am (ver_test_7.so): New target.
10812         (ver_test_7.o): New target.
10813         (check_SCRIPTS): Add ver_test_7.sh.
10814         (check_DATA): Add ver_test_7.syms.
10815         (ver_test_7.syms): New target.
10816
10817 2008-03-28  Ian Lance Taylor  <iant@google.com>
10818
10819         * layout.cc (Layout::layout): If we see an input section with a
10820         name that needs sorting, set the must_sort flag for the output
10821         section.
10822         (Layout::make_output_section): If the name of the output section
10823         indicates that it might require sorting, set the may_sort flag.
10824         * output.h (Output_section::may_sort_attached_input_sections): New
10825         function.
10826         (Output_section::set_may_sort_attached_input_sections): New
10827         function.
10828         (Output_section::must_sort_attached_input_sections): New
10829         function.
10830         (Output_section::set_must_sort_attached_input_sections): New
10831         function.
10832         (class Output_section): Declare Input_section_sort_entry.  Define
10833         Input_section_sort_compare.  Declare
10834         sort_attached_input_sections.  Add new fields:
10835         may_sort_attached_input_sections_,
10836         must_sort_attached_input_sections_,
10837         attached_input_sections_are_sorted_.
10838         * output.cc (Output_section::Output_section): Initialize new
10839         fields.
10840         (Output_section::add_input_section): Add an entry to
10841         input_sections_ if may_sort or must_sort are true.
10842         (Output_section::set_final_data_size): Call
10843         sort_attached_input_sections if necessary.
10844         (Output_section::Input_section_sort_entry): Define new class.
10845         (Output_section::Input_section_sort_compare::operator()): New
10846         function.
10847         (Output_section::sort_attached_input_sections): New function.
10848         * configure.ac: Check whether the compiler supports constructor
10849         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10850         * testsuite/initpri1.c: New file.
10851         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10852         CONSTRUCTOR_PRIORITY.
10853         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10854         (initpri1_LDFLAGS): New variable.
10855         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10856
10857 2008-03-27  Ian Lance Taylor  <iant@google.com>
10858
10859         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10860         * testsuite/common_test_1.c: New file.
10861         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10862         (common_test_1_SOURCES): New variable.
10863         (common_test_1_DEPENDENCIES): New variable.
10864         (common_test_1_LDFLAGS): New variable.
10865
10866         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10867         and commons_ correctly when NAME/VERSION does not override
10868         NAME/NULL.
10869         * testsuite/ver_test_6.c: New file.
10870         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10871         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10872         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10873
10874 2008-03-26  Ian Lance Taylor  <iant@google.com>
10875
10876         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10877         of an undefined symbol from a version script.
10878         * testsuite/Makefile.am (ver_test_5.so): New target.
10879         (ver_test_5.o): New target.
10880         (check_SCRIPTS): Add ver_test_5.sh.
10881         (check_DATA): Add ver_test_5.syms.
10882         (ver_test_5.syms): New target.
10883         * testsuite/ver_test_5.cc: New file.
10884         * testsuite/ver_test_5.script: New file.
10885         * testsuite/ver_test_5.sh: New file.
10886         * Makefile.in, testsuite/Makefile.in: Rebuild.
10887
10888         PR gold/5986
10889         Fix problems building gold with gcc 4.3.0.
10890         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10891         (gold_error_at_location, gold_warning_at_location): Use it.
10892         * configure.ac: Check whether we can compile and use a template
10893         function with a printf attribute.
10894         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10895         when jumping over bytes.
10896         * object.cc: Instantiate Object::read_section_data.
10897         * debug.h: Include <cstring>
10898         * dwarf_reader.cc: Include <algorithm>
10899         * main.cc: Include <cstring>.
10900         * options.cc: Include <cstring>.
10901         * output.cc: Include <cstring>.
10902         * script.cc: Include <cstring>.
10903         * script.h: Include <string>.
10904         * symtab.cc: Include <cstring> and <algorithm>.
10905         * target-select.cc: Include <cstring>.
10906         * version.cc: Include <string>.
10907         * testsuite/testmain.cc: Include <cstdlib>.
10908         * configure, config.in: Rebuild.
10909
10910 2008-03-25  Ian Lance Taylor  <iant@google.com>
10911
10912         * options.cc: Include "../bfd/bfdver.h".
10913         (options::help): Print bug reporting address.
10914
10915         * version.cc (print_version): Adjust output for current value of
10916         BFD_VERSION_STRING.
10917
10918         * NEWS: New file.
10919
10920         * options.cc (options::help): Print list of supported targets.
10921         * target-select.h: Include <vector>.
10922         (class Target_selector): Make machine_, size_, and is_big_endian_
10923         fields const.  Add bfd_name_ and instantiated_target_ fields.
10924         (Target_selector::Target_selector): Add bfd_name parameter.
10925         (Target_selector::recognize): Make non-virtual, call
10926         do_recognize.
10927         (Target_selector::recognize_by_name): Make non-virtual, call
10928         do_recognize_by_name.
10929         (Target_selector::supported_names): New function.
10930         (Target_selector::bfd_name): New function.
10931         (Target_selector::do_instantiate_target): New pure virtual
10932         function.
10933         (Target_selector::do_recognize): New virtual function.
10934         (Target_selector::do_recognize_by_name): New virtual function.
10935         (Target_selector::instantiate_target): New private function.
10936         (supported_target_names): Declare.
10937         * target-select.cc (Target_selector::Target_selector): Update for
10938         new parameter and fields.
10939         (select_target_by_name): Check that the name matches before
10940         calling recognize_by_name.
10941         (supported_target_names): New function.
10942         * i386.cc (class Target_selector_i386): Update Target_selector
10943         constructor call.  Remove recognize and recognize_by_name.  Add
10944         do_instantiate_target.
10945         * x86_64.cc (class Target_selector_x86_64): Likewise.
10946         * testsuite/testfile.cc (class Target_selector_test): Update for
10947         changes to Target_selector.
10948
10949         * README: Rewrite, with some notes on unsupported features.
10950
10951 2008-03-24  Cary Coutant  <ccoutant@google.com>
10952
10953         * i386.cc (Target_i386::Got_type): New enum declaration.
10954         (Target_i386::Scan::local): Updated callers of Output_data_got
10955         member functions.
10956         (Target_i386::Scan::global): Likewise.
10957         (Target_i386::Relocate::relocate): Likewise.
10958         (Target_i386::Relocate::relocate_tls): Likewise.
10959         * object.h (Got_offset_list): New class.
10960         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10961         (Sized_relobj::local_got_offset): Likewise.
10962         (Sized_relobj::set_local_got_offset): Likewise.
10963         (Sized_relobj::local_has_tls_got_offset): Removed.
10964         (Sized_relobj::local_tls_got_offset): Removed.
10965         (Sized_relobj::set_local_tls_got_offset): Removed.
10966         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10967         * output.cc (Output_data_got::add_global): Added got_type parameter.
10968         (Output_data_got::add_global_with_rel): Likewise.
10969         (Output_data_got::add_global_with_rela): Likewise.
10970         (Output_data_got::add_global_pair_with_rel): New function.
10971         (Output_data_got::add_global_pair_with_rela): New function.
10972         (Output_data_got::add_local): Added got_type parameter.
10973         (Output_data_got::add_local_with_rel): Likewise.
10974         (Output_data_got::add_local_with_rela): Likewise.
10975         (Output_data_got::add_local_pair_with_rel): New function.
10976         (Output_data_got::add_local_pair_with_rela): New function.
10977         (Output_data_got::add_global_tls): Removed.
10978         (Output_data_got::add_global_tls_with_rel): Removed.
10979         (Output_data_got::add_global_tls_with_rela): Removed.
10980         (Output_data_got::add_local_tls): Removed.
10981         (Output_data_got::add_local_tls_with_rel): Removed.
10982         (Output_data_got::add_local_tls_with_rela): Removed.
10983         * output.h (Output_data_got::add_global): Added got_type parameter.
10984         (Output_data_got::add_global_with_rel): Likewise.
10985         (Output_data_got::add_global_with_rela): Likewise.
10986         (Output_data_got::add_global_pair_with_rel): New function.
10987         (Output_data_got::add_global_pair_with_rela): New function.
10988         (Output_data_got::add_local): Added got_type parameter.
10989         (Output_data_got::add_local_with_rel): Likewise.
10990         (Output_data_got::add_local_with_rela): Likewise.
10991         (Output_data_got::add_local_pair_with_rel): New function.
10992         (Output_data_got::add_local_pair_with_rela): New function.
10993         (Output_data_got::add_global_tls): Removed.
10994         (Output_data_got::add_global_tls_with_rel): Removed.
10995         (Output_data_got::add_global_tls_with_rela): Removed.
10996         (Output_data_got::add_local_tls): Removed.
10997         (Output_data_got::add_local_tls_with_rel): Removed.
10998         (Output_data_got::add_local_tls_with_rela): Removed.
10999         * resolve.cc (Symbol::override_base_with_special): Removed
11000         reference to has_got_offset_ field.
11001         * symtab.cc (Symbol::init_fields): Replaced initialization
11002         of got_offset_ with got_offsets_.  Removed initialization
11003         of has_got_offset_
11004         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11005         (Symbol::got_offset): Likewise.
11006         (Symbol::set_got_offset): Likewise.
11007         (Symbol::has_tls_got_offset): Removed.
11008         (Symbol::tls_got_offset): Removed.
11009         (Symbol::set_tls_got_offset): Removed.
11010         (Symbol::got_offset_): Removed.
11011         (Symbol::tls_mod_got_offset_): Removed.
11012         (Symbol::tls_pair_got_offset_): Removed.
11013         (Symbol::got_offsets_): New field.
11014         (Symbol::has_got_offset): Removed.
11015         (Symbol::has_tls_mod_got_offset): Removed.
11016         (Symbol::has_tls_pair_got_offset): Removed.
11017         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11018         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11019         member functions.
11020         (Target_x86_64::Scan::global): Likewise.
11021         (Target_x86_64::Relocate::relocate): Likewise.
11022         (Target_x86_64::Relocate::relocate_tls): Likewise.
11023
11024 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11025
11026         * yyscript.y: Fix spelling error in comment.
11027
11028 2008-03-24  Ian Lance Taylor  <iant@google.com>
11029
11030         * options.h (class General_options): Define build_id option.
11031         * layout.h (class Layout): Declare write_build_id, create_note,
11032         create_build_id.  Add build_id_note_ member.
11033         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11034         "libiberty.h", "md5.h", "sha1.h".
11035         (Layout::Layout): Initialize eh_frame_data_,
11036         eh_frame_hdr_section_, and build_id_note_.
11037         (Layout::finalize): Call create_build_id.
11038         (Layout::create_note): New function, broken out of
11039         Layout::create_gold_note.
11040         (Layout::create_gold_note): Call create_note.
11041         (Layout::create_build_id): New function.
11042         (Layout::write_build_id): New function.
11043         (Close_task_runner::run): Call write_build_id.
11044
11045         * x86_64.cc: Correct license to GPLv3.
11046
11047 2008-03-23  Ian Lance Taylor  <iant@google.com>
11048
11049         * options.cc: Include "demangle.h".
11050         (parse_optional_string): New function.
11051         (parse_long_option): Handle takes_optional_argument.
11052         (parse_short_option): Update dash_z initializer.  Handle
11053         takes_optional_argument.
11054         (General_options::General_options): Initialize do_demangle_.
11055         (General_options::finalize): Set do_demangle_.  Handle demangling
11056         style.
11057         * options.h (parse_optional_string): Declare.
11058         (struct One_option): Add optional_arg field.  Update constructor.
11059         Update call constructor calls.  Add takes_optional_argument
11060         function.
11061         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11062         (DEFINE_optional_string): Define.
11063         (General_options::demangle): Change from DEFINE_bool to
11064         DEFINE_optional_string.
11065         (General_options::no_demangle): New function.
11066         (General_options::do_demangle): New function.
11067         (General_options::set_do_demangle): New function.
11068         (General_options::execstack_status_): Move definition to end of
11069         class definition.
11070         (General_options::static_): Likewise.
11071         (General_options::do_demangle_): New field.
11072         * object.cc (big_endian>::get_symbol_location_info): Call
11073         Options::do_demangle, not Options::demangle.
11074         * symtab.cc (demangle): Likewise.
11075
11076 2008-03-22  Ian Lance Taylor  <iant@google.com>
11077
11078         * gold.h: Include <cstddef> and <sys/types.h>
11079         * options.h: Include <cstring>.
11080
11081 2008-03-21  Ian Lance Taylor  <iant@google.com>
11082
11083         * Added source code to GNU binutils.