* script-sections.cc
[external/binutils.git] / gold / ChangeLog
1 2011-06-09  Ian Lance Taylor  <iant@google.com>
2
3         * script-sections.cc
4         (Orphan_output_section::set_section_addresses): For a relocatable
5         link set address to 0.
6
7 2011-06-09  Cary Coutant  <ccoutant@google.com>
8
9         PR gold/12804
10         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
11         used with --compress-debug-sections.
12         * gold/object.cc (Sized_relobj_file::do_layout): Report
13         uncompressed size of compressed input sections.
14
15 2011-06-08  Cary Coutant  <ccoutant@google.com>
16
17         PR gold/12804
18         * testsuite/two_file_test_2_v1.cc: Change initialization of
19         v2 to keep it in .data.
20
21 2011-06-07  Cary Coutant  <ccoutant@google.com>
22
23         * common.cc (Symbol_table::do_allocate_commons_list): Call
24         gold_fallback.
25         * errors.cc (Errors::fatal): Adjust call to gold_exit.
26         (Errors::fallback): New function.
27         (gold_fallback): New function.
28         * errors.h (Errors::fallback): New function.
29         * gold.cc (gold_exit): Change status parameter to enum; adjust
30         all callers.
31         (queue_initial_tasks): Call gold_fallback.
32         * gold.h: Include cstdlib.
33         (Exit_status): New enum type.
34         (gold_exit): Change status parameter to enum.
35         (gold_fallback): New function.
36         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
37         (Layout::create_symtab_sections): Likewise.
38         (Layout::create_shdrs): Likewise.
39         * main.cc (main): Adjust call to gold_exit.
40         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
41         (Output_data_got::add_got_entry_pair): Likewise.
42         (Output_section::add_input_section): Likewise.
43         (Output_section::add_output_section_data): Likewise.
44         (Output_segment::set_section_list_addresses): Likewise.
45         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
46
47 2011-06-07  Cary Coutant  <ccoutant@google.com>
48
49         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
50         for incremental links.
51         * output.cc (Output_segment::set_section_list_addresses): Remove
52         FIXME and test for TLS or BSS.
53
54 2011-06-07  Cary Coutant  <ccoutant@google.com>
55
56         * testsuite/Makefile.am: Add incremental_copy_test,
57         incremental_common_test_1.
58         * testsuite/Makefile.in: Regenerate.
59         * testsuite/common_test_1_v1.c: New source file.
60         * testsuite/common_test_1_v2.c: New source file.
61         * testsuite/copy_test_v1.cc: New source file.
62
63 2011-06-07  Cary Coutant  <ccoutant@google.com>
64
65         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
66         update, allocate common from bss section's free list.
67         * incremental-dump.cc (dump_incremental_inputs): Print flag for
68         linker-defined symbols.
69         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
70         Skip GOT and PLT entries that are no longer referenced.
71         (Output_section_incremental_inputs::write_info_blocks): Mark
72         linker-defined symbols.
73         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
74         * output.cc (Output_section::allocate): New function.
75         * output.h (Output_section::allocate): New function.
76         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
77         linker-defined symbols.
78         (Symbol::override_base_with_special): Copy is_predefined_ flag.
79         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
80         (Symbol::init_base_output_data): Likewise.
81         (Symbol::init_base_output_segment): Likewise.
82         (Symbol::init_base_constant): Likewise.
83         (Sized_symbol::init_output_data): Likewise.
84         (Sized_symbol::init_output_segment): Likewise.
85         (Sized_symbol::init_constant): Likewise.
86         (Symbol_table::do_define_in_output_data): Likewise.
87         (Symbol_table::do_define_in_output_segment): Likewise.
88         (Symbol_table::do_define_as_constant): Likewise.
89         * symtab.h (Symbol::is_predefined): New function.
90         (Symbol::init_base_output_data): Add is_predefined parameter.
91         (Symbol::init_base_output_segment): Likewise.
92         (Symbol::init_base_constant): Likewise.
93         (Symbol::is_predefined_): New data member.
94         (Sized_symbol::init_output_data): Add is_predefined parameter.
95         (Sized_symbol::init_output_segment): Likewise.
96         (Sized_symbol::init_constant): Likewise.
97         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
98
99 2011-06-07  Cary Coutant  <ccoutant@google.com>
100
101         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
102         instead of emit_copy_reloc.
103         (Copy_relocs::emit_copy_reloc): Refactor.
104         (Copy_relocs::make_copy_reloc): New function.
105         (Copy_relocs::add_copy_reloc): Remove.
106         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
107         section.
108         (Copy_relocs::make_copy_reloc): New function.
109         (Copy_relocs::add_copy_reloc): Remove.
110         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
111         unchanged input files.
112         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
113         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
114         Reserve BSS space for COPY relocations.
115         (Sized_incremental_binary::do_emit_copy_relocs): New function.
116         (Output_section_incremental_inputs::write_info_blocks): Record
117         whether a symbol is copied from a shared object.
118         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
119         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
120         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
121         (Incremental_input_entry_reader::get_output_symbol_index): Add
122         is_copy parameter.
123         (Incremental_binary::emit_copy_relocs): New function.
124         (Incremental_binary::do_emit_copy_relocs): New function.
125         (Sized_incremental_binary::Sized_incremental_binary): Initialize
126         new data member.
127         (Sized_incremental_binary::add_copy_reloc): New function.
128         (Sized_incremental_binary::do_emit_copy_relocs): New function.
129         (Sized_incremental_binary::Copy_reloc): New struct.
130         (Sized_incremental_binary::Copy_relocs): New typedef.
131         (Sized_incremental_binary::copy_relocs_): New data member.
132         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
133         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
134         * target.h (Sized_target::emit_copy_reloc): New function.
135         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
136
137 2011-06-02  Cary Coutant  <ccoutant@google.com>
138
139         PR gold/12163
140         * gold/archive.cc (Archive::Archive): Initialize new data member.
141         (Archive::include_all_members): Return if archive has already been
142         included.
143         * gold/archive.h (Archive::include_all_members_): New data member.
144
145 2011-06-02  Nick Clifton  <nickc@redhat.com>
146
147         * dynobj.h: Fix spelling mistake in comment.
148         * output.cc: Likewise.
149
150 2011-05-31  Doug Kwan  <dougkwan@google.com>
151             Asier Llano
152
153         PR gold/12826
154         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
155         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
156         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
157         redundant arm_exidx_test.so.
158         * testsuite/Makefile.in: Regenerate.
159         (check_SCRIPTS): Add pr12826.sh
160         (check_DATA): Add pr12826.stdout
161         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
162         * testsuite/pr12826.sh: New file.
163         * testsuite/pr12826_1.s: Ditto.
164         * testsuite/pr12826_1.s: Ditto.
165
166 2011-05-30  Ian Lance Taylor  <iant@google.com>
167
168         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
169         sections.
170
171 2011-05-29  Ian Lance Taylor  <iant@google.com>
172
173         PR gold/12804
174         * testsuite/Makefile.am: Use different file name for two_file_test
175         temporary file for each incremental test.
176         * testsuite/Makefile.in: Rebuild.
177
178 2011-05-29  Ian Lance Taylor  <iant@google.com>
179
180         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
181         binary input file is empty.
182
183 2011-05-27  Ian Lance Taylor  <iant@google.com>
184
185         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
186         (ver_test_9.so): Likewise.
187         * testsuite/Makefile.in: Rebuild.
188
189 2011-05-26 Cary Coutant  <ccoutant@google.com>
190
191         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
192         * incremental.cc (Incremental_inputs::report_input_section): Fix
193         comment, indentation.
194         (Incremental_inputs::report_comdat_group): New function.
195         (Output_section_incremental_inputs::set_final_data_size): Adjust size
196         of data for incremental input file entry.
197         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
198         group count, COMDAT group signatures.
199         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
200         an unchanged input file.
201         * incremental.h (Incremental_object_entry::Incremental_object_entry):
202         Initialize new data member.
203         (Incremental_object_entry::add_comdat_group): New function.
204         (Incremental_object_entry::get_comdat_group_count): New function.
205         (Incremental_object_entry::get_comdat_signature_key): New function.
206         (Incremental_object_entry::groups_): New data member.
207         (Incremental_inputs::report_comdat_group): New function.
208         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
209         data for incremental input file entry.
210         (Incremental_input_entry_reader::get_comdat_group_count): New function.
211         (Incremental_input_entry_reader::get_input_section): Adjust size of
212         data for incremental input file entry.
213         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
214         (Incremental_input_entry_reader::get_comdat_group_signature): New
215         function.
216         * object.cc (Sized_relobj::include_section_group): Report kept
217         COMDAT groups for incremental links.
218
219 2011-05-24  David Meyer  <pdox@google.com>
220
221         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
222         with name parameter.  Add found_name parameter.
223         * fileread.cc (Input_file::find_file): Adjust code accordingly.
224         * dirsearch.h (class Dirsearch): Update declaration.
225
226 2011-05-24  Ian Lance Taylor  <iant@google.com>
227
228         * archive.cc (Library_base::should_include_member): Pull in object
229         from archive if it defines the entry symbol.
230         * parameters.cc (Parameters::entry): New function.
231         * parameters.h (class Parameters): Declare entry.
232         * output.h (class Output_file_header): Remove entry_ field.
233         * output.cc (Output_file_header::Output_file_header): Remove entry
234         parameter.  Change all callers.
235         (Output_file_header::entry): Use parameters->entry.
236         * gold.cc (queue_middle_tasks): Likewise.
237         * plugin.cc (Plugin_hook::run): Likewise.
238
239 2011-05-24 Cary Coutant  <ccoutant@google.com>
240
241         * gold.cc (queue_initial_tasks): Pass incremental base filename
242         to Output_file::open_base_file; don't print error message.
243         * incremental-dump.cc (main): Adjust call to
244         Output_file::open_for_modification.
245         * incremental-dump.cc (main): Likewise.
246         * incremental.cc (Incremental_inputs::report_command_line):
247         Ignore --incremental-base option when comparing command lines.
248         Ignore parameter when given as separate argument.
249         * options.h (class General_options): Add --incremental-base.
250         * output.cc (Output_file::Output_file):
251         (Output_file::open_base_file): Add base_name and writable parameters;
252         read base file into new file; print error message here.
253         (Output_file::map_no_anonymous): Add writable parameter; adjust all
254         callers.
255         * output.h (Output_file::open_for_modification): Rename to...
256         (Output_file::open_base_file): ...this; add base_name and
257         writable parameters; adjust all callers.
258         (Output_file::map_no_anonymous): Add writable parameter; adjust all
259         callers.
260         * testsuite/Makefile.am (incremental_test_4): Test
261         --incremental-base.
262         * testsuite/Makefile.in: Regenerate.
263
264 2011-05-24 Cary Coutant  <ccoutant@google.com>
265
266         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
267         incremental_test_4.
268         * testsuite/Makefile.in: Regenerate.
269         * testsuite/two_file_test_1_v1.cc: New test source file.
270         * testsuite/two_file_test_1b_v1.cc: New test source file.
271         * testsuite/two_file_test_2_v1.cc: New test source file.
272
273 2011-05-24 Cary Coutant  <ccoutant@google.com>
274
275         * dynobj.h (Dynobj::do_dynobj): New function.
276         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
277         flag and soname for shared objects.
278         * incremental.cc (Incremental_inputs::report_object): Make
279         either Incremental_object_entry or Incremental_dynobj_entry; add
280         soname to string table.
281         (Incremental_inputs::report_input_section): Add assertion.
282         (Output_section_incremental_inputs::set_final_data_size): Adjust
283         type of input file entry for shared libraries; adjust size of
284         shared library info entry.
285         (Output_section_incremental_inputs::write_input_files): Write
286         as_needed flag for shared libraries.
287         (Output_section_incremental_inputs::write_info_blocks): Adjust type
288         of input file entry for shared libraries; write soname.
289         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
290         soname from incremental info.
291         * incremental.h (enum Incremental_input_flags): Add
292         INCREMENTAL_INPUT_AS_NEEDED.
293         (Incremental_input_entry::Incremental_input_entry): Initialize new
294         data member.
295         (Incremental_input_entry::set_as_needed): New function.
296         (Incremental_input_entry::as_needed): New function.
297         (Incremental_input_entry::do_dynobj_entry): New function.
298         (Incremental_input_entry::as_needed_): New data member.
299         (Incremental_object_entry::Incremental_object_entry): Don't check
300         for shared library.
301         (Incremental_object_entry::do_type): Likewise.
302         (class Incremental_dynobj_entry): New class.
303         (Incremental_input_entry_reader::as_needed): New function.
304         (Incremental_input_entry_reader::get_soname): New function.
305         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
306         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
307         size of shared library info entry.
308         * layout.cc (Layout::finish_dynamic_section): Don't test for 
309         incremental link when adding DT_NEEDED entries.
310         * object.h (Object::Object): Initialize new data member.
311         (Object::dynobj): New function.
312         (Object::set_as_needed): New function.
313         (Object::as_needed): New function.
314         (Object::do_dynobj): New function.
315         (Object::as_needed_): New data member.
316
317 2011-05-24 Cary Coutant  <ccoutant@google.com>
318
319         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
320         info; adjust display of GOT entries.
321         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
322         vector of input objects; remove file_status_.
323         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
324         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
325         got_plt reader; call target hooks to reserve GOT entries.
326         (Output_section_incremental_inputs::set_final_data_size): Adjust size
327         of input file info header and GOT info entry.
328         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
329         relocation info.
330         (Got_plt_view_info::got_descriptor): Remove.
331         (Got_plt_view_info::sym_index): New data member.
332         (Got_plt_view_info::input_index): New data member.
333         (Local_got_offset_visitor::visit): Write input file index.
334         (Global_got_offset_visitor::visit): Write 0 for input file index.
335         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
336         with sym_index and input_index.
337         (Output_section_incremental_inputs::write_got_plt): Adjust size of
338         incremental info GOT entry; replace got_descriptor with input_index.
339         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
340         map from input file index to object.
341         (Sized_relobj_incr::do_layout): Replace direct data member reference
342         with accessor function.
343         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
344         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
345         Adjust size of input file info header.
346         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
347         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
348         (Incremental_input_entry_reader::get_input_section): Adjust size of
349         input file info header.
350         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
351         of incremental info GOT entry.
352         (Incremental_got_plt_reader::get_got_desc): Remove.
353         (Incremental_got_plt_reader::get_got_symndx): New function.
354         (Incremental_got_plt_reader::get_got_input_index): New function.
355         (Sized_incremental_binary::Sized_incremental_binary): Remove
356         file_status_; add input_objects_.
357         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
358         (Sized_incremental_binary::set_file_is_unchanged): Remove.
359         (Sized_incremental_binary::file_is_unchanged): Remove.
360         (Sized_incremental_binary::set_input_object): New function.
361         (Sized_incremental_binary::input_object): New function.
362         (Sized_incremental_binary::file_status_): Remove.
363         (Sized_incremental_binary::input_objects_): New data member.
364         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
365         references.
366         (Sized_relobj_incr::invalid_address): Move to base class.
367         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
368         class.
369         (Sized_relobj_incr::do_output_section_offset): Likewise.
370         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
371         (Sized_relobj_incr::section_offsets_): Likewise.
372         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
373         function.
374         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
375         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
376         with accessor function.
377         (Sized_relobj_file::do_layout): Likewise.
378         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
379         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
380         (Sized_relobj_file::compute_final_local_value): Replace refs to
381         section_offsets_ with accessor function.
382         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
383         * object.h (Relobj::Relobj): Initialize new data members.
384         (Relobj::add_dyn_reloc): New function.
385         (Relobj::first_dyn_reloc): New function.
386         (Relobj::dyn_reloc_count): New function.
387         (Relobj::first_dyn_reloc_): New data member.
388         (Relobj::dyn_reloc_count_): New data member.
389         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
390         references.
391         (Sized_relobj::Address): New typedef.
392         (Sized_relobj::invalid_address): Move here from child class.
393         (Sized_relobj::Sized_relobj): Initialize new data members.
394         (Sized_relobj::sized_relobj): New function.
395         (Sized_relobj::is_output_section_offset_invalid): Move here from
396         child class.
397         (Sized_relobj::get_output_section_offset): Likewise.
398         (Sized_relobj::local_has_got_offset): Likewise.
399         (Sized_relobj::local_got_offset): Likewise.
400         (Sized_relobj::set_local_got_offset): Likewise.
401         (Sized_relobj::do_for_all_local_got_entries): Likewise.
402         (Sized_relobj::clear_got_offsets): New function.
403         (Sized_relobj::section_offsets): Move here from child class.
404         (Sized_relobj::do_output_section_offset): Likewise.
405         (Sized_relobj::do_set_section_offset): Likewise.
406         (Sized_relobj::Local_got_offsets): Likewise.
407         (Sized_relobj::local_got_offsets_): Likewise.
408         (Sized_relobj::section_offsets_): Likewise.
409         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
410         references.
411         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
412         class.
413         (Sized_relobj_file::sized_relobj): New function
414         (Sized_relobj_file::local_has_got_offset): Move to base class.
415         (Sized_relobj_file::local_got_offset): Likewise.
416         (Sized_relobj_file::set_local_got_offset): Likewise.
417         (Sized_relobj_file::get_output_section_offset): Likewise.
418         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
419         (Sized_relobj_file::do_output_section_offset): Likewise.
420         (Sized_relobj_file::do_set_section_offset): Likewise.
421         (Sized_relobj_file::Local_got_offsets): Likewise.
422         (Sized_relobj_file::local_got_offsets_): Likewise.
423         (Sized_relobj_file::section_offsets_): Likewise.
424         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
425         (all constructors).
426         (set_needs_dynsym_index): Convert relobj to derived class pointer.
427         (Output_reloc::get_symbol_index): Likewise.
428         (Output_reloc::local_section_offset): Likewise.
429         (Output_reloc::get_address): Likewise.
430         (Output_reloc::symbol_value): Likewise.
431         (Output_data_got::reserve_slot): Move to class definition.
432         (Output_data_got::reserve_local): New function.
433         (Output_data_got::reserve_slot_for_global): Remove.
434         (Output_data_got::reserve_global): New function.
435         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
436         (all constructors, two instantiations).
437         (Output_reloc::get_relobj): New function (two instantiations).
438         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
439         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
440         (Output_data_reloc::add_global): Adjust type of relobj.
441         (Output_data_reloc::add_global_relative): Likewise.
442         (Output_data_reloc::add_symbolless_global_addend): Likewise.
443         (Output_data_reloc::add_local): Likewise.
444         (Output_data_reloc::add_local_relative): Likewise.
445         (Output_data_reloc::add_symbolless_local_addend): Likewise.
446         (Output_data_reloc::add_local_section): Likewise.
447         (Output_data_reloc::add_output_section): Likewise.
448         (Output_data_reloc::add_absolute): Likewise.
449         (Output_data_reloc::add_target_specific): Likewise.
450         (Output_data_got::reserve_slot): Move definition here.
451         (Output_data_got::reserve_local): New function.
452         (Output_data_got::reserve_global): New function.
453         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
454         section_offsets_ with accessor function.
455         (Sized_relobj_file::write_sections): Likewise.
456         (Sized_relobj_file::do_relocate_sections): Likewise.
457         * target.h (Sized_target::reserve_local_got_entry): New function.
458         (Sized_target::reserve_global_got_entry): New function.
459         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
460         (Target_x86_64::reserve_global_got_entry): New function.
461         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
462
463 2011-05-23 Cary Coutant  <ccoutant@google.com>
464
465         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
466         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
467         bit when checking got_type.
468         * incremental.cc (Sized_incremental_binary::setup_readers):
469         Store symbol table and string table locations; initialize bit vector
470         of file status flags.
471         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
472         unchanged files.
473         (Sized_incremental_binary::do_process_got_plt): New function.
474         (Sized_incremental_binary::get_symtab_view): Use stored locations.
475         (Output_section_incremental_inputs::set_final_data_size): Record
476         file index for each input file.
477         (Output_section_incremental_inputs::write_got_plt): Store file index
478         instead of input entry offset for each GOT entry.
479         * incremental.h
480         (Incremental_input_entry::Incremental_input_entry): Initialize new
481         data member.
482         (Incremental_input_entry::set_offset): Store file index.
483         (Incremental_input_entry::get_file_index): New function.
484         (Incremental_input_entry::file_index_): New data member.
485         (Incremental_binary::process_got_plt): New function.
486         (Incremental_binary::do_process_got_plt): New function.
487         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
488         data members.
489         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
490         (Sized_incremental_binary::set_file_is_unchanged): New function.
491         (Sized_incremental_binary::file_is_unchanged): New function.
492         (Sized_incremental_binary::do_process_got_plt): New function.
493         (Sized_incremental_binary::file_status_): New data member.
494         (Sized_incremental_binary::main_symtab_loc_): New data member.
495         (Sized_incremental_binary::main_strtab_loc_): New data member.
496         * output.cc (Output_data_got::Got_entry::write): Add case
497         RESERVED_CODE.
498         (Output_data_got::add_global): Call add_got_entry.
499         (Output_data_got::add_global_plt): Likewise.
500         (Output_data_got::add_global_with_rel): Likewise.
501         (Output_data_got::add_global_with_rela): Likewise.
502         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
503         (Output_data_got::add_global_pair_with_rela): Likewise.
504         (Output_data_got::add_local): Call add_got_entry.
505         (Output_data_got::add_local_plt): Likewise.
506         (Output_data_got::add_local_with_rel): Likewise.
507         (Output_data_got::add_local_with_rela): Likewise.
508         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
509         (Output_data_got::add_local_pair_with_rela): Likewise.
510         (Output_data_got::reserve_slot): New function.
511         (Output_data_got::reserve_slot_for_global): New function.
512         (Output_data_got::add_got_entry): New function.
513         (Output_data_got::add_got_entry_pair): New function.
514         (Output_section::add_output_section_data): Edit FIXME.
515         * output.h
516         (Output_section_data_build::Output_section_data_build): New
517         constructor with size parameter.
518         (Output_data_space::Output_data_space): Likewise.
519         (Output_data_got::Output_data_got): Initialize new data member; new
520         constructor with size parameter.
521         (Output_data_got::add_constant): Call add_got_entry.
522         (Output_data_got::reserve_slot): New function.
523         (Output_data_got::reserve_slot_for_global): New function.
524         (class Output_data_got::Got_entry): Add RESERVED_CODE.
525         (Output_data_got::add_got_entry): New function.
526         (Output_data_got::add_got_entry_pair): New function.
527         (Output_data_got::free_list_): New data member.
528         * target.h (Sized_target::init_got_plt_for_update): New function.
529         (Sized_target::register_global_plt_entry): New function.
530         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
531         Initialize new data member; call init; add constructor with PLT count.
532         (Output_data_plt_x86_64::init): New function.
533         (Output_data_plt_x86_64::add_relocation): New function.
534         (Output_data_plt_x86_64::reserve_slot): New function.
535         (Output_data_plt_x86_64::free_list_): New data member.
536         (Target_x86_64::init_got_plt_for_update): New function.
537         (Target_x86_64::register_global_plt_entry): New function.
538         (Output_data_plt_x86_64::add_entry): Allocate from free list for
539         incremental updates.
540         (Output_data_plt_x86_64::add_relocation): New function.
541         * testsuite/object_unittest.cc (Object_test): Set default options.
542
543 2011-05-16  Ian Lance Taylor  <iant@google.com>
544
545         * options.h (class General_options): Make -i a synonym for -r.
546
547 2011-05-16  Ian Lance Taylor  <iant@google.com>
548
549         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
550
551 2011-05-10 Cary Coutant  <ccoutant@google.com>
552
553         * object.cc (Sized_relobj::do_count_local_symbols): Check for
554         strip_all (-s).
555
556 2011-05-06  Ian Lance Taylor  <iant@google.com>
557
558         * layout.cc (Layout::layout): If the output section flags change,
559         update the ordering.
560
561 2011-04-25 Cary Coutant  <ccoutant@google.com>
562
563         * incremental-dump.cc (dump_incremental_inputs): Print local
564         symbol info for each input file.
565         * incremental.cc
566         (Output_section_incremental_inputs::set_final_data_size): Add local
567         symbol info to input file entries in incremental info.
568         (Output_section_incremental_inputs::write_info_blocks): Likewise.
569         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
570         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
571         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
572         implementation.
573         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
574         (Sized_incr_relobj::do_relocate): Write the local symbols.
575         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
576         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
577         Adjust size of input file header.
578         (Incremental_inputs_reader::get_local_symbol_offset): New function.
579         (Incremental_inputs_reader::get_local_symbol_count): New function.
580         (Incremental_inputs_reader::get_input_section): Adjust size of input
581         file header.
582         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
583         (Sized_incr_relobj::This): New typedef.
584         (Sized_incr_relobj::sym_size): New const data member.
585         (Sized_incr_relobj::Local_symbol): New struct.
586         (Sized_incr_relobj::do_output_local_symbol_count): New function.
587         (Sized_incr_relobj::do_local_symbol_offset): New function.
588         (Sized_incr_relobj::local_symbol_count_): New data member.
589         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
590         (Sized_incr_relobj::local_symbol_index_): New data member.
591         (Sized_incr_relobj::local_symbol_offset_): New data member.
592         (Sized_incr_relobj::local_dynsym_offset_): New data member.
593         (Sized_incr_relobj::local_symbols_): New data member.
594         * object.h (Relobj::output_local_symbol_count): New function.
595         (Relobj::local_symbol_offset): New function.
596         (Relobj::do_output_local_symbol_count): New function.
597         (Relobj::do_local_symbol_offset): New function.
598         (Sized_relobj::do_output_local_symbol_count): New function.
599         (Sized_relobj::do_local_symbol_offset): New function.
600
601 2011-04-22  Vladimir Simonov  <sv@sw.ru>
602
603         * descriptors.cc (set_close_on_exec): New function.
604         (Descriptors::open): Use set_close_on_exec.
605         * output.cc (S_ISLNK): Define if not defined.
606
607 2011-04-22 Cary Coutant  <ccoutant@google.com>
608
609         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
610         global symbol map.
611         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
612         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
613         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
614         relocations.
615         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
616         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
617         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
618         * incremental.h
619         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
620         function.
621         (Incremental_binary::apply_incremental_relocs): New function.
622         (Incremental_binary::do_apply_incremental_relocs): New function.
623         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
624         data member.
625         (Sized_incremental_binary::add_global_symbol): New function.
626         (Sized_incremental_binary::global_symbol): New function.
627         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
628         (Sized_incremental_binary::symbol_map_): New data member.
629         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
630         * target.h (Sized_target::apply_relocation): New function.
631         * target-reloc.h (apply_relocation): New function.
632         * x86_64.cc (Target_x86_64::apply_relocation): New function.
633
634 2011-04-22  Doug Kwan  <dougkwan@google.com>
635
636         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
637         flag of a SHT_ARM_EXIDX section.
638         * testsuite/Makefile.am (arm_exidx_test): New test rules.
639         * testsuite/Makefile.in: Regenerate.
640         * testsuite/arm_exidx_test.s: New file.
641         * testsuite/arm_exidx_test.sh: Same.
642
643 2011-04-20 Cary Coutant  <ccoutant@google.com>
644
645         PR gold/12689
646         * archive.h (Incremental_archive_entry::Archive_member):
647         Initialize arg_serial_ (second constructor).
648
649 2011-04-17  Ian Lance Taylor  <iant@google.com>
650
651         * object.cc (Relocate_info::location): Simplify location string.
652         * errors.cc (Errors::error_at_location): Don't print program
653         name.
654         (Errors::warning_at_location): Likewise.
655         (Errors::undefined_symbol): Likewise.
656         * testsuite/debug_msg.sh: Update accordingly.
657
658 2011-04-14 Cary Coutant  <ccoutant@google.com>
659
660         * gold/layout.cc (Layout::symtab_section_offset): New function.
661         * gold/layout.h (Layout::symtab_section_offset): New function.
662         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
663
664 2011-04-12  Ian Lance Taylor  <iant@google.com>
665
666         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
667         with MREMAP_MAYMOVE.
668         * output.h (class Output_file): Add map_is_allocated_ field.
669         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
670         not available, provide stubs.  If mremap is not available, #define
671         it to gold_mremap.
672         (MREMAP_MAYMOVE): Define if not defined.
673         (Output_file::Output_file): Initialize map_is_allocated_.
674         (Output_file::resize): Check map_is_allocated_.
675         (Output_file::map_anonymous): If mmap fails, use malloc.
676         (Output_file::unmap): Don't do anything for an anonymous map.
677         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
678         is not available, provide stubs.
679         (File_read::View::~View): Use free rather than delete[].
680         (File_read::make_view): Use malloc rather than new[].  If mmap
681         fails, use malloc.
682         (File_read::find_or_make_view): Use malloc rather than new[].
683         * gold.h: Remove HAVE_REMAP code.
684         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
685         exists.  Rename mremap to gold_mremap.  If mmap is not available
686         don't do anything.
687         * configure, config.in: Rebuild.
688
689 2011-04-11  Ian Lance Taylor  <iant@google.com>
690
691         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
692         initialize local variable v.
693
694 2011-04-11  Cary Coutant  <ccoutant@google.com>
695
696         * archive.cc (Archive::include_member): Adjust call to
697         report_object.
698         (Add_archive_symbols::run): Track argument serial numbers.
699         (Lib_group::include_member): Likewise.
700         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
701         * archive.h (Incremental_archive_entry::Archive_member):
702         Initialize arg_serial_.
703         (Archive_member::arg_serial_): New data member.
704         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
705         (Sized_dynobj::do_add_symbols): Track symbols when doing an
706         incremental link.
707         (Sized_dynobj::do_for_all_local_got_entries): New function.
708         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
709         function.
710         * fileread.cc (get_mtime): New function.
711         * fileread.h (get_mtime): New function.
712         * gold.cc (queue_initial_tasks): Check for incremental update.
713         (process_incremental_input): New function.
714         (queue_middle_tasks): Don't force valid target for incremental
715         update.
716         * incremental-dump.cc (find_input_containing_global): Adjust
717         size of symbol info entry.
718         (dump_incremental_inputs): Dump argument serial number and
719         in_system_directory flag; bias shndx by 1; print symbol names
720         when dumping per-file symbol lists; use new symbol info readers.
721         * incremental.cc
722         (Output_section_incremental_inputs:update_data_size): New function.
723         (Sized_incremental_binary::setup_readers): Setup input readers
724         for each input file; build maps for files added from libraries
725         and scripts.
726         (Sized_incremental_binary::check_input_args): New function.
727         (Sized_incremental_binary::do_check_inputs): Build map of argument
728         serial numbers to input arguments.
729         (Sized_incremental_binary::do_file_has_changed): Rename
730         do_file_is_unchanged to this; compare file modification times.
731         (Sized_incremental_binary::do_init_layout): New function.
732         (Sized_incremental_binary::do_reserve_layout): New function.
733         (Sized_incremental_binary::do_get_input_reader): Remove.
734         (Sized_incremental_binary::get_symtab_view): New function.
735         (Incremental_checker::can_incrementally_link_output_file): Remove.
736         (Incremental_inputs::report_command_line): Exclude --debug options.
737         (Incremental_inputs::report_archive_begin): Add parameter; track
738         argument serial numbers; don't put input file entry for archive
739         before archive members.
740         (Incremental_inputs::report_archive_end): Put input file entry
741         for archive after archive members.
742         (Incremental_inputs::report_object): Add parameter; track argument
743         serial numbers and in_system_directory flag.
744         (Incremental_inputs::report_script): Add parameter; track argument
745         serial numbers.
746         (Output_section_incremental_inputs::set_final_data_size): Adjust
747         size of symbol info entry; check for forwarding symbols.
748         (Output_section_incremental_inputs::write_input_files): Write
749         in_system_directory flag and argument serial number.
750         (Output_section_incremental_inputs::write_info_blocks): Map section
751         indices between incremental info and original input file; store
752         input section index for each symbol.
753         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
754         change operator() to visit().
755         (class Global_got_offset_visitor): Likewise.
756         (class Global_symbol_visitor_got_plt):
757         (Output_section_incremental_inputs::write_got_plt): Use new visitor
758         classes.
759         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
760         (Sized_incr_relobj::do_read_symbols): New function.
761         (Sized_incr_relobj::do_layout): New function.
762         (Sized_incr_relobj::do_layout_deferred_sections): New function.
763         (Sized_incr_relobj::do_add_symbols): New function.
764         (Sized_incr_relobj::do_should_include_member): New function.
765         (Sized_incr_relobj::do_for_all_global_symbols): New function.
766         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
767         (Sized_incr_relobj::do_section_size): New function.
768         (Sized_incr_relobj::do_section_name): New function.
769         (Sized_incr_relobj::do_section_contents): New function.
770         (Sized_incr_relobj::do_section_flags): New function.
771         (Sized_incr_relobj::do_section_entsize): New function.
772         (Sized_incr_relobj::do_section_address): New function.
773         (Sized_incr_relobj::do_section_type): New function.
774         (Sized_incr_relobj::do_section_link): New function.
775         (Sized_incr_relobj::do_section_info): New function.
776         (Sized_incr_relobj::do_section_addralign): New function.
777         (Sized_incr_relobj::do_initialize_xindex): New function.
778         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
779         (Sized_incr_relobj::do_read_relocs): New function.
780         (Sized_incr_relobj::do_gc_process_relocs): New function.
781         (Sized_incr_relobj::do_scan_relocs): New function.
782         (Sized_incr_relobj::do_count_local_symbols): New function.
783         (Sized_incr_relobj::do_finalize_local_symbols): New function.
784         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
785         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
786         (Sized_incr_relobj::do_relocate): New function.
787         (Sized_incr_relobj::do_set_section_offset): New function.
788         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
789         (Sized_incr_dynobj::do_read_symbols): New function.
790         (Sized_incr_dynobj::do_layout): New function.
791         (Sized_incr_dynobj::do_add_symbols): New function.
792         (Sized_incr_dynobj::do_should_include_member): New function.
793         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
794         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
795         (Sized_incr_dynobj::do_section_size): New function.
796         (Sized_incr_dynobj::do_section_name): New function.
797         (Sized_incr_dynobj::do_section_contents): New function.
798         (Sized_incr_dynobj::do_section_flags): New function.
799         (Sized_incr_dynobj::do_section_entsize): New function.
800         (Sized_incr_dynobj::do_section_address): New function.
801         (Sized_incr_dynobj::do_section_type): New function.
802         (Sized_incr_dynobj::do_section_link): New function.
803         (Sized_incr_dynobj::do_section_info): New function.
804         (Sized_incr_dynobj::do_section_addralign): New function.
805         (Sized_incr_dynobj::do_initialize_xindex): New function.
806         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
807         (make_sized_incremental_object): New function.
808         (Incremental_library::copy_unused_symbols): New function.
809         (Incremental_library::do_for_all_unused_symbols): New function.
810         * incremental.h (enum Incremental_input_flags): New type.
811         (class Incremental_checker): Remove.
812         (Incremental_input_entry::Incremental_input_entry): Add argument
813         serial number.
814         (Incremental_input_entry::arg_serial): New function.
815         (Incremental_input_entry::set_is_in_system_directory): New function.
816         (Incremental_input_entry::is_in_system_directory): New function.
817         (Incremental_input_entry::arg_serial_): New data member.
818         (Incremental_input_entry::is_in_system_directory_): New data member.
819         (class Script_info): Move here from script.h.
820         (Script_info::Script_info): Add filename parameter.
821         (Script_info::filename): New function.
822         (Script_info::filename_): New data member.
823         (Incremental_script_entry::Incremental_script_entry): Add argument
824         serial number.
825         (Incremental_object_entry::Incremental_object_entry): Likewise.
826         (Incremental_object_entry::add_input_section): Build list of input
827         sections with map to original shndx.
828         (Incremental_object_entry::get_input_section_index): New function.
829         (Incremental_object_entry::shndx_): New data member.
830         (Incremental_object_entry::name_key_): Rename; adjust all refs.
831         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
832         (Incremental_archive_entry::Incremental_archive_entry): Add argument
833         serial number.
834         (Incremental_inputs::report_archive_begin): Likewise.
835         (Incremental_inputs::report_object): Likewise.
836         (Incremental_inputs::report_script): Likewise.
837         (class Incremental_global_symbol_reader): New class.
838         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
839         and store flags and input file type.
840         (Incremental_input_entry_reader::arg_serial): New function.
841         (Incremental_input_entry_reader::type): Extract type from flags.
842         (Incremental_input_entry_reader::is_in_system_directory): New function.
843         (Incremental_input_entry_reader::get_input_section_count): Call
844         accessor function for type.
845         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
846         function for type; adjust size of global symbol entry.
847         (Incremental_input_entry_reader::get_global_symbol_count): Call
848         accessor function for type.
849         (Incremental_input_entry_reader::get_object_count): Likewise.
850         (Incremental_input_entry_reader::get_object_offset): Likewise.
851         (Incremental_input_entry_reader::get_member_count): Likewise.
852         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
853         (Incremental_input_entry_reader::get_member_offset): Likewise.
854         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
855         (Incremental_input_entry_reader::Global_symbol_info): Remove.
856         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
857         (Incremental_input_entry_reader::get_global_symbol_reader): New
858         function.
859         (Incremental_input_entry_reader::get_output_symbol_index): New
860         function.
861         (Incremental_input_entry_reader::type_): Remove.
862         (Incremental_input_entry_reader::flags_): New data member.
863         (Incremental_inputs_reader::input_file_offset): New function.
864         (Incremental_inputs_reader::input_file_index): New function.
865         (Incremental_inputs_reader::input_file): Call input_file_offset.
866         (Incremental_inputs_reader::input_file_at_offset): New function.
867         (Incremental_relocs_reader::get_r_type): Reformat.
868         (Incremental_relocs_reader::get_r_shndx): Reformat.
869         (Incremental_relocs_reader::get_r_offset): Reformat.
870         (Incremental_relocs_reader::data): New function.
871         (Incremental_binary::Incremental_binary): Initialize new data members.
872         (Incremental_binary::check_inputs): Add cmdline parameter.
873         (Incremental_binary::file_is_unchanged): Remove.
874         (Input_reader::arg_serial): New function.
875         (Input_reader::get_unused_symbol_count): New function.
876         (Input_reader::get_unused_symbol): New function.
877         (Input_reader::do_arg_serial): New function.
878         (Input_reader::do_get_unused_symbol_count): New function.
879         (Input_reader::do_get_unused_symbol): New function.
880         (Incremental_binary::input_file_count): New function.
881         (Incremental_binary::get_input_reader): Change signature to use
882         index instead of filename.
883         (Incremental_binary::file_has_changed): New function.
884         (Incremental_binary::get_input_argument): New function.
885         (Incremental_binary::get_library): New function.
886         (Incremental_binary::get_script_info): New function.
887         (Incremental_binary::init_layout): New function.
888         (Incremental_binary::reserve_layout): New function.
889         (Incremental_binary::output_file): New function.
890         (Incremental_binary::do_check_inputs): New function.
891         (Incremental_binary::do_file_is_unchanged): Remove.
892         (Incremental_binary::do_file_has_changed): New function.
893         (Incremental_binary::do_init_layout): New function.
894         (Incremental_binary::do_reserve_layout): New function.
895         (Incremental_binary::do_input_file_count): New function.
896         (Incremental_binary::do_get_input_reader): Change signature.
897         (Incremental_binary::input_args_map_): New data member.
898         (Incremental_binary::library_map_): New data member.
899         (Incremental_binary::script_map_): New data member.
900         (Sized_incremental_binary::Sized_incremental_binary): Initialize
901         new data members.
902         (Sized_incremental_binary::output_section): New function.
903         (Sized_incremental_binary::inputs_reader): Add const.
904         (Sized_incremental_binary::symtab_reader): Add const.
905         (Sized_incremental_binary::relocs_reader): Add const.
906         (Sized_incremental_binary::got_plt_reader): Add const.
907         (Sized_incremental_binary::get_symtab_view): New function.
908         (Sized_incremental_binary::Inputs_reader): New typedef.
909         (Sized_incremental_binary::Input_entry_reader): New typedef.
910         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
911         (Sized_incremental_binary::do_file_is_unchanged): Remove.
912         (Sized_incremental_binary::do_file_has_changed): New function.
913         (Sized_incremental_binary::do_init_layout): New function.
914         (Sized_incremental_binary::do_reserve_layout): New function.
915         (Sized_input_reader::Inputs_reader): Remove.
916         (Sized_input_reader::Input_entry_reader): Remove.
917         (Sized_input_reader::do_arg_serial): New function.
918         (Sized_input_reader::do_get_unused_symbol_count): New function.
919         (Sized_input_reader::do_get_unused_symbol): New function.
920         (Sized_incremental_binary::do_input_file_count): New function.
921         (Sized_incremental_binary::do_get_input_reader): Change signature;
922         use index instead of filename.
923         (Sized_incremental_binary::section_map_): New data member.
924         (Sized_incremental_binary::input_entry_readers_): New data member.
925         (class Sized_incr_relobj): New class.
926         (class Sized_incr_dynobj): New class.
927         (make_sized_incremental_object): New function.
928         (class Incremental_library): New class.
929         * layout.cc (Free_list::num_lists): New static data member.
930         (Free_list::num_nodes): New static data member.
931         (Free_list::num_removes): New static data member.
932         (Free_list::num_remove_visits): New static data member.
933         (Free_list::num_allocates): New static data member.
934         (Free_list::num_allocate_visits): New static data member.
935         (Free_list::init): New function.
936         (Free_list::remove): New function.
937         (Free_list::allocate): New function.
938         (Free_list::dump): New function.
939         (Free_list::print_stats): New function.
940         (Layout_task_runner::run): Resize output file for incremental updates.
941         (Layout::Layout): Initialize new data members.
942         (Layout::set_incremental_base): New function.
943         (Layout::init_fixed_output_section): New function.
944         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
945         incremental updates.
946         (Layout::create_gold_note): Do not create gold note section for
947         incremental updates.
948         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
949         for incremental updates.
950         (Layout::set_section_offsets): For incremental updates, allocate space
951         from free list.
952         (Layout::create_symtab_sections): Layout with offsets relative to
953         start of section; for incremental updates, allocate space from free
954         list.
955         (Layout::create_shdrs): For incremental updates, allocate space from
956         free list.
957         (Layout::finish_dynamic_section): For incremental updates, do not
958         check --as-needed (fixed in subsequent patch).
959         * layout.h (class Free_list): New class.
960         (Layout::set_incremental_base): New function.
961         (Layout::incremental_base): New function.
962         (Layout::init_fixed_output_section): New function.
963         (Layout::allocate): New function.
964         (Layout::incremental_base_): New data member.
965         (Layout::free_list_): New data member.
966         * main.cc (main): Print Free_list statistics.
967         * object.cc (Relobj::finalize_incremental_relocs): Add
968         clear_counts parameter; clear counts only when clear_counts is set.
969         (Sized_relobj::Sized_relobj): Initialize new base class.
970         (Sized_relobj::do_layout): Don't report special sections.
971         (Sized_relobj::do_for_all_local_got_entries): New function.
972         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
973         symtab_off to all symbol table offsets.
974         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
975         * object.h (class Got_offset_list): Move to top of file.
976         (Object::Object): Allow case where input_file == NULL.
977         (Object::~Object): Likewise.
978         (Object::input_file): Assert that input_file != NULL.
979         (Object::lock): Allow case where input_file == NULL.
980         (Object::unlock): Likewise.
981         (Object::is_locked): Likewise.
982         (Object::token): Likewise.
983         (Object::release): Likewise.
984         (Object::is_incremental): New function.
985         (Object::get_mtime): New function.
986         (Object::for_all_local_got_entries): New function.
987         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
988         (Object::set_is_in_system_directory): New function.
989         (Object::is_in_system_directory): New function.
990         (Object::do_is_incremental): New function.
991         (Object::do_get_mtime): New function.
992         (Object::do_for_all_local_got_entries): New function.
993         (Object::is_in_system_directory_): New data member.
994         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
995         (class Sized_relobj_base): New class.
996         (class Sized_relobj): Derive from Sized_relobj_base.
997         (class Sized_relobj::Symbols): Redeclare from base class.
998         (class Sized_relobj::local_got_offset_list): Remove.
999         (class Sized_relobj::Output_sections): Redeclare from base class.
1000         (class Sized_relobj::do_for_all_local_got_entries): New function.
1001         (class Sized_relobj::write_local_symbols): Add offset parameter.
1002         (class Sized_relobj::local_symbol_offset_): Update comment.
1003         (class Sized_relobj::local_dynsym_offset_): Update comment.
1004         * options.cc (Input_arguments::add_file): Remove const.
1005         * options.h (Input_file_argument::Input_file_argument):
1006         Initialize arg_serial_ (all constructors).
1007         (Input_file_argument::set_arg_serial): New function.
1008         (Input_file_argument::arg_serial): New function.
1009         (Input_file_argument::arg_serial_): New data member.
1010         (Input_arguments::Input_arguments): Initialize file_count_.
1011         (Input_arguments::add_file): Remove const.
1012         (Input_arguments::number_of_input_files): New function.
1013         (Input_arguments::file_count_): New data member.
1014         (Command_line::number_of_input_files): Call
1015         Input_arguments::number_of_input_files.
1016         * output.cc (Output_segment_headers::Output_segment_headers):
1017         Set current size.
1018         (Output_section::Input_section::current_data_size): New function.
1019         (Output_section::Output_section): Initialize new data members.
1020         (Output_section::add_input_section): Don't do merge sections for
1021         an incremental link; allocate space from free list for an
1022         incremental update.
1023         (Output_section::add_output_section_data): Allocate space from
1024         free list for an incremental update.
1025         (Output_section::update_data_size): New function.
1026         (Output_section::set_fixed_layout): New function.
1027         (Output_section::reserve): New function.
1028         (Output_segment::set_section_addresses): Remove const.
1029         (Output_segment::set_section_list_addresses): Remove const; allocate
1030         space from free list for an incremental update.
1031         (Output_segment::set_offset): Adjust size of RELRO segment for an
1032         incremental update.
1033         * output.h (Output_data::current_data_size): Move here from
1034         child classes.
1035         (Output_data::pre_finalize_data_size): New function.
1036         (Output_data::update_data_size): New function.
1037         (Output_section_headers::update_data_size): new function.
1038         (Output_section_data_build::current_data_size): Move to Output_data.
1039         (Output_data_strtab::update_data_size): New function.
1040         (Output_section::current_data_size): Move to Output_data.
1041         (Output_section::set_fixed_layout): New function.
1042         (Output_section::has_fixed_layout): New function.
1043         (Output_section::reserve): New function.
1044         (Output_section::update_data_size): New function.
1045         (Output_section::has_fixed_layout_): New data member.
1046         (Output_section::free_list_): New data member.
1047         (Output_segment::set_section_addresses): Remove const.
1048         (Output_segment::set_section_list_addresses): Remove const.
1049         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1050         New function.
1051         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1052         New function.
1053         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1054         parameter when calling Add_symbols constructor; store argument
1055         serial number for members of a lib group.
1056         (Add_symbols::locks): Allow case where token == NULL.
1057         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1058         (Read_member::~Read_member): New function.
1059         (Read_member::is_runnable): New function.
1060         (Read_member::locks): New function.
1061         (Read_member::run): New function.
1062         (Check_script::~Check_script): New function.
1063         (Check_script::is_runnable): New function.
1064         (Check_script::locks): New function.
1065         (Check_script::run): New function.
1066         (Check_library::~Check_library): New function.
1067         (Check_library::is_runnable): New function.
1068         (Check_library::locks): New function.
1069         (Check_library::run): New function.
1070         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1071         (Add_symbols::library_): New data member.
1072         (class Read_member): New class.
1073         (class Check_script): New class.
1074         (class Check_library): New class.
1075         * reloc.cc (Read_relocs::is_runnable): Allow case where
1076         token == NULL.
1077         (Read_relocs::locks): Likewise.
1078         (Scan_relocs::locks): Likewise.
1079         (Relocate_task::locks): Likewise.
1080         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1081         to clear counters.
1082         (Sized_relobj::incremental_relocs_scan): Fix comment.
1083         (Sized_relobj::do_relocate): Pass output file offset to
1084         write_local_symbols.
1085         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1086         from class declaration.
1087         * script.cc (read_input_script): Allocate Script_info; pass
1088         argument serial number to report_script.
1089         * script.h (class Script_info): Move to incremental.h.
1090         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1091         * symtab.h (Symbol_table::add_from_incrobj): New function.
1092         (Symbol_table::set_file_offset): New function.
1093
1094 2011-04-05  Cary Coutant  <ccoutant@google.com>
1095
1096         * incremental-dump.cc (dump_incremental_inputs): Change signature
1097         to take a Sized_incremental_binary; change caller.  Use readers
1098         in Sized_incremental_binary.
1099         * incremental.cc
1100         (Sized_incremental_binary::find_incremental_inputs_sections):
1101         Rename do_find_incremental_inputs_sections to this.
1102         (Sized_incremental_binary::setup_readers): New function.
1103         (Sized_incremental_binary::do_check_inputs): Check
1104         has_incremental_info_ flag; move setup code to setup_readers;
1105         use input readers.
1106         (Sized_incremental_binary::do_file_is_unchanged): New function.
1107         (Sized_incremental_binary::do_get_input_reader): New function.
1108         * incremental.h (class Incremental_binary): Move to end of file.
1109         (Incremental_binary::file_is_unchanged): New function.
1110         (Incremental_binary::do_file_is_unchanged): New function.
1111         (Incremental_binary::Input_reader): New class.
1112         (Incremental_binary::get_input_reader): New function.
1113         (class Sized_incremental_binary): Move to end of file.
1114         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1115         input section reader classes.
1116         (Sized_incremental_binary::has_incremental_info): New function.
1117         (Sized_incremental_binary::inputs_reader): New function.
1118         (Sized_incremental_binary::symtab_reader): New function.
1119         (Sized_incremental_binary::relocs_reader): New function.
1120         (Sized_incremental_binary::got_plt_reader): New function.
1121         (Sized_incremental_binary::do_file_is_unchanged): New function.
1122         (Sized_incremental_binary::Sized_input_reader): New class.
1123         (Sized_incremental_binary::get_input_reader): New function.
1124         (Sized_incremental_binary::find_incremental_inputs_sections):
1125         Rename do_find_incremental_inputs_sections to this.
1126         (Sized_incremental_binary::setup_readers): New function.
1127         (Sized_incremental_binary::has_incremental_info_): New data member.
1128         (Sized_incremental_binary::inputs_reader_): New data member.
1129         (Sized_incremental_binary::symtab_reader_): New data member.
1130         (Sized_incremental_binary::relocs_reader_): New data member.
1131         (Sized_incremental_binary::got_plt_reader_): New data member.
1132         (Sized_incremental_binary::current_input_file_): New data member.
1133
1134 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1135
1136         PR gold/12640
1137         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1138         violation.
1139
1140 2011-03-30  Cary Coutant  <ccoutant@google.com>
1141
1142         * archive.cc (Archive::include_member): Adjust call to report_object.
1143         (Add_archive_symbols::run): Add script_info to call to
1144         report_archive_begin.
1145         (Lib_group::include_member): Adjust call to report_object.
1146         (Add_lib_group_symbols::run): Adjust call to report_object.
1147         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1148         blocks.  Add object count for script input files.
1149         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1150         script_info parameter; change all callers.
1151         (Incremental_inputs::report_object): Add script_info parameter;
1152         change all callers.
1153         (Incremental_inputs::report_script): Store backpointer to
1154         incremental info entry.
1155         (Output_section_incremental_inputs::set_final_data_size): Record
1156         additional information for scripts.
1157         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1158         * incremental.h (Incremental_script_entry::add_object): New function.
1159         (Incremental_script_entry::get_object_count): New function.
1160         (Incremental_script_entry::get_object): New function.
1161         (Incremental_script_entry::objects_): New data member; adjust
1162         constructor.
1163         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1164         (Incremental_inputs::report_object): Add script_info parameter.
1165         (Incremental_inputs_reader::get_object_count): New function.
1166         (Incremental_inputs_reader::get_object_offset): New function.
1167         * options.cc (Input_arguments::add_file): Return reference to
1168         new input argument.
1169         * options.h (Input_argument::set_script_info): New function.
1170         (Input_argument::script_info): New function.
1171         (Input_argument::script_info_): New data member; adjust all
1172         constructors.
1173         (Input_file_group::add_file): Return reference to new input argument.
1174         (Input_file_lib::add_file): Likewise.
1175         (Input_arguments::add_file): Likewise.
1176         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1177         * script.cc (Parser_closure::Parser_closure): Add script_info
1178         parameter; adjust all callers.
1179         (Parser_closure::script_info): New function.
1180         (Parser_closure::script_info_): New data member.
1181         (read_input_script): Report scripts earlier to incremental info.
1182         (script_add_file): Set script_info in Input_argument.
1183         (script_add_library): Likewise.
1184         * script.h (Script_options::Script_info): Rewrite class.
1185
1186 2011-03-29  Cary Coutant  <ccoutant@google.com>
1187
1188         * archive.cc (Library_base::should_include_member): Move
1189         method here from class Archive.
1190         (Archive::Archive): Initialize base class.
1191         (Archive::should_include_member): Move to base class.
1192         (Archive::do_for_all_unused_symbols): New function.
1193         (Add_archive_symbols::run): Remove redundant access to
1194         incremental_inputs.
1195         (Lib_group::Lib_group): Initialize base class.
1196         (Lib_group::do_filename): New function.
1197         (Lib_group::include_member): Pass pointer to Lib_group to
1198         report_object.
1199         (Lib_group::do_for_all_unused_symbols): New function.
1200         (Add_lib_group_symbols::run): Report archive information for
1201         incremental links.
1202         * archive.h (class Library_base): New base class.
1203         (class Archive): Derive from Library_base.
1204         (Archive::filename): Move to base class.
1205         (Archive::set_incremental_info): Likewise.
1206         (Archive::incremental_info): Likewise.
1207         (Archive::Should_include): Likewise.
1208         (Archive::should_include_member): Likewise.
1209         (Archive::Armap_entry): Remove.
1210         (Archive::Unused_symbol_iterator): Remove.
1211         (Archive::unused_symbols_begin): Remove.
1212         (Archive::unused_symbols_end): Remove.
1213         (Archive::do_filename): New function.
1214         (Archive::do_get_mtime): New function.
1215         (Archive::do_for_all_unused_symbols): New function.
1216         (Archive::task_): Move to base class.
1217         (Archive::incremental_info_): Likewise.
1218         (class Lib_group): Derive from Library_base.
1219         (Lib_group::do_filename): New function.
1220         (Lib_group::do_get_mtime): New function.
1221         (Lib_group::do_for_all_unused_symbols): New function.
1222         (Lib_group::task_): Move to base class.
1223         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1224         function.
1225         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1226         function.
1227         * incremental.cc (Incremental_inputs::report_archive_begin):
1228         Use Library_base; call library's get_mtime; add incremental inputs
1229         entry before members.
1230         (class Unused_symbol_visitor): New class.
1231         (Incremental_inputs::report_archive_end): Use Library_base; use
1232         visitor class to record unused symbols; don't add incremental inputs
1233         entry after members.
1234         (Incremental_inputs::report_object): Use Library_base.
1235         * incremental.h
1236         (Incremental_archive_entry::Incremental_archive_entry): Remove
1237         unused Archive parameter.
1238         (Incremental_inputs::report_archive_begin): Use Library_base.
1239         (Incremental_inputs::report_archive_end): Likewise.
1240         (Incremental_inputs::report_object): Likewise.
1241         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1242         function.
1243         * object.h (Object::for_all_global_symbols): New function.
1244         (Object::do_for_all_global_symbols): New function.
1245         (Sized_relobj::do_for_all_global_symbols): New function.
1246         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1247         function.
1248         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1249         function.
1250
1251 2011-03-27  Ian Lance Taylor  <iant@google.com>
1252
1253         * archive.cc (Archive::interpret_header): Return -1 if something
1254         goes wrong.  Change callers accordingly.
1255
1256 2011-03-25  Cary Coutant  <ccoutant@google.com>
1257
1258         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1259         * testsuite/Makefile.in: Regenerate.
1260
1261 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1262
1263         * plugin.cc (get_view): New.
1264         (Plugin::load): Pass get_view to the plugin.
1265         (Plugin_manager::get_view): New.
1266
1267 2011-03-21  Ian Lance Taylor  <iant@google.com>
1268
1269         * testsuite/final_layout.sh: Rewrite to not use dc.
1270         * testsuite/relro_test.sh: Fail if dc is not present.
1271
1272 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1273
1274         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1275         Change == to -eq.
1276         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1277         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1278         Change == to -eq.
1279         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1280         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1281
1282 2011-03-14  Ian Lance Taylor  <iant@google.com>
1283
1284         * script-sections.cc (Sort_output_sections::script_compare):
1285         Rename from is_before, change return type.
1286         (Sort_output_sections::operator()): Adjust accordingly.
1287
1288 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1289
1290         PR gold/12572
1291         * testsuite/odr_violation2.cc: Add comment to make all error line
1292         numbers double digits.
1293         * testsuite/debug_msg.sh: Adjust expected errors.
1294
1295 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1296
1297         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1298         but mark earlier ones as non-canonical
1299         (offset_to_iterator): Update search target and example
1300         (do_addr2line): Return extra lines in a vector*
1301         (format_file_lineno): Extract from do_addr2line
1302         (one_addr2line): Add vector* out-param
1303         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1304         when a lineno entry appeared last for its instruction
1305         (Dwarf_line_info): Add vector* out-param
1306         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1307         * symtab.cc (Odr_violation_compare): Include the lineno in the
1308         comparison again.
1309         (linenos_from_loc): New. Combine the canonical line for an
1310         address with its other lines.
1311         (True_if_intersect): New. Helper functor to make
1312         std::set_intersection a query.
1313         (detect_odr_violations): Compare sets of lines instead of just
1314         one line for each function. This became less deterministic, but
1315         has fewer false positives.
1316         * symtab.h: Declarations.
1317         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1318         mix an optimized and non-optimized object in the same binary
1319         (odr_violation2.so): Same.
1320         * testsuite/Makefile.in: Regenerate from Makefile.am.
1321         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1322         * testsuite/debug_msg.sh: Update line numbers and add
1323         assertions.
1324         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1325         non-optimized context.
1326         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1327         isn't inlined, and use OdrDerived in an optimized context.
1328         * testsuite/odr_header1.h: Defines OdrDerived, where
1329         optimization will change the
1330         first-instruction-in-the-destructor's file and line number.
1331         * testsuite/odr_header2.h: Defines OdrBase.
1332
1333 2011-03-09  Ian Lance Taylor  <iant@google.com>
1334
1335         * fileread.cc (File_read::clear_views): Don't delete the whole
1336         file view.
1337
1338 2011-03-08  Ian Lance Taylor  <iant@google.com>
1339
1340         PR gold/12525
1341         * fileread.cc: #include <climits>.
1342         (GOLD_IOV_MAX): Define.
1343         (File_read::read_multiple): Limit number of entries by iov_max.
1344         * fileread.h (class File_read): Always set max_readv_entries to
1345         128.
1346
1347 2011-03-07  Ian Lance Taylor  <iant@google.com>
1348
1349         PR gold/12525
1350         * options.h (class General_options): Add -dy and -dn.
1351
1352 2011-03-02  Cary Coutant  <ccoutant@google.com>
1353
1354         * testsuite/script_test_9.t: Add TLS segment.
1355
1356 2011-03-02  Simon Baldwin  <simonb@google.com>
1357
1358         * configure.ac: Add check for gnu_indirect_function support in
1359         the toolchain building binutils.
1360         * configure: Rebuild.
1361
1362 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1363
1364         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1365         plugin only symbols.
1366         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1367         in plugin files as not needed in the symbol table.
1368
1369 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1370
1371         * output.cc (Output_section::add_input_section): Delay fill
1372         generation for section ordering.
1373
1374 2011-02-09  Ian Lance Taylor  <iant@google.com>
1375
1376         PR gold/12316
1377         * object.h (class Sized_relobj): Remove clear_local_symbols.
1378         * reloc.cc (Sized_relobj::do_relocate): Don't call
1379         clear_local_symbols.
1380
1381 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1382
1383         * plugin.cc (is_visible_from_outside): Return true for symbols
1384         in the -u option.
1385
1386 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1387
1388         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1389         filename.
1390
1391 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1392
1393         * icf.h (is_section_foldable_candidate): Change type of parameter
1394         to std::string.
1395         * icf.cc (Icf::find_identical_sections): Change type of local variable
1396         section_name to be std::string.
1397         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1398
1399 2011-01-25  Ian Lance Taylor  <iant@google.com>
1400
1401         * script.cc (script_add_extern): Rewrite to use
1402         add_symbol_reference.
1403
1404 2011-01-25  Doug Kwan  <dougkwan@google.com>
1405
1406         * icf.cc (get_section_contents): Always lock section's object.
1407
1408 2011-01-24  Ian Lance Taylor  <iant@google.com>
1409
1410         * options.h (class General_options): Accept
1411         --no-detect-odr-violations.
1412
1413 2011-01-24  Ian Lance Taylor  <iant@google.com>
1414
1415         * version.cc (version_string): Bump to 1.11.
1416
1417 2011-01-24  Ian Lance Taylor  <iant@google.com>
1418
1419         * plugin.cc (class Plugin_rescan): Define new class.
1420         (Plugin_manager::claim_file): Set any_claimed_.
1421         (Plugin_manager::save_archive): New function.
1422         (Plugin_manager::save_input_group): New function.
1423         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1424         necessary.
1425         (Plugin_manager::new_undefined_symbol): New function.
1426         (Plugin_manager::rescan): New function.
1427         (Plugin_manager::rescannable_defines): New function.
1428         (Plugin_manager::add_input_file): Set any_added_.
1429         * plugin.h (class Plugin_manager): define new fields rescannable_,
1430         undefined_symbols_, any_claimed_, and any_added_.  Declare
1431         Plugin_rescan as friend.  Declare new functions.
1432         (Plugin_manager::Rescannable): Define type.
1433         (Plugin_manager::Rescannable_list): Define type.
1434         (Plugin_manager::Undefined_symbol_list): Define type.
1435         (Plugin_manager::Plugin_manager): Initialize new fields.
1436         * archive.cc (Archive::defines_symbol): New function.
1437         (Add_archive_symbols::run): Pass archive to plugins if any.
1438         * archive.h (class Archive): Declare defines_symbol.
1439         * readsyms.cc (Input_group::~Input_group): New function.
1440         (Finish_group::run): Pass input_group to plugins if any.
1441         * readsyms.h (class Input_group): Declare destructor.
1442         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1443         any.
1444
1445 2011-01-10  Ian Lance Taylor  <iant@google.com>
1446
1447         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1448         section as relro.
1449         (Layout::set_segment_offsets): Reset increase_relro before calling
1450         set_section_addresses a second time.
1451
1452 2011-01-04  Cary Coutant  <ccoutant@google.com>
1453
1454         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1455         sections before NOBITS sections.
1456
1457 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1458
1459         * version.cc (print_version): Update copyright to 2011.
1460
1461 2010-12-23  Cary Coutant  <ccoutant@google.com>
1462
1463         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1464         of OS to this->add.  Add OD parameter to second form of the function.
1465
1466 2010-12-20  Ian Lance Taylor  <iant@google.com>
1467
1468         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1469         second of two consecutive entries with same offset.
1470
1471 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1472
1473         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1474         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1475         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1476         to avoid unneeded links against $(LDADD).
1477         * testsuite/Makefile.in: Regenerate.
1478
1479 2010-12-15  Ian Lance Taylor  <iant@google.com>
1480
1481         PR gold/12324
1482         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1483         for R_X86_64_32 and R_X86_64_PC32.
1484         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1485         ver_matching_def_pic.o.
1486         (ver_matching_def_pic.o): New target.
1487
1488 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1489
1490         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1491         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1492         Move definition before File_read::View member definitions.
1493         (File_read::View::~View): Initialize and hold lock before
1494         updating current_mapped_bytes.
1495
1496 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1497
1498         * dwarf_reader.cc: Remove outdated comment.
1499         * gold-threads.cc: Fix typo in error message.
1500         * archive.cc: Fix typos in comments.
1501         * archive.h: Likewise.
1502         * arm-reloc-property.cc: Likewise.
1503         * arm-reloc-property.h: Likewise.
1504         * arm-reloc.def: Likewise.
1505         * arm.cc: Likewise.
1506         * attributes.h: Likewise.
1507         * cref.cc: Likewise.
1508         * ehframe.cc: Likewise.
1509         * fileread.h: Likewise.
1510         * gold.h: Likewise.
1511         * i386.cc: Likewise.
1512         * icf.cc: Likewise.
1513         * incremental.h: Likewise.
1514         * int_encoding.cc: Likewise.
1515         * layout.h: Likewise.
1516         * main.cc: Likewise.
1517         * merge.h: Likewise.
1518         * object.cc: Likewise.
1519         * object.h: Likewise.
1520         * options.cc: Likewise.
1521         * readsyms.cc: Likewise.
1522         * reduced_debug_output.cc: Likewise.
1523         * reloc.cc: Likewise.
1524         * script-sections.cc: Likewise.
1525         * sparc.cc: Likewise.
1526         * symtab.h: Likewise.
1527         * target-reloc.h: Likewise.
1528         * target.cc: Likewise.
1529         * target.h: Likewise.
1530         * timer.cc: Likewise.
1531         * timer.h: Likewise.
1532         * x86_64.cc: Likewise.
1533
1534 2010-12-09  Cary Coutant  <ccoutant@google.com>
1535
1536         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1537         stack.
1538         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1539         parameter; change all callers.
1540         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1541         * options.h (warn_execstack): New option.
1542
1543 2010-12-07  Doug Kwan  <dougkwan@google.com>
1544
1545         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1546         like function call relocations.
1547
1548 2010-12-07  Ian Lance Taylor  <iant@google.com>
1549
1550         * archive.cc (Archive::get_elf_object_for_member): Permit
1551         punconfigured to be NULL.
1552         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1553         (Archive::include_member): Pass NULL to get_elf_object_for_member
1554         if we searched for the archive and this is the first included
1555         object.
1556
1557 2010-12-01  Ian Lance Taylor  <iant@google.com>
1558
1559         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1560         track_relocs_type_ field.
1561         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1562         Set track_relocs_type_.
1563         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1564         contents when using RELA relocs.
1565         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1566         reloc_map_.
1567         * reloc.cc (Track_relocs::next_addend): New function.
1568         * reloc.h (class Track_relocs): Declare next_addend.
1569
1570 2010-12-01  Ian Lance Taylor  <iant@google.com>
1571
1572         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1573         virtual destructor.
1574
1575 2010-12-01  Ian Lance Taylor  <iant@google.com>
1576
1577         * README: Update compilers known to work and fail.
1578
1579 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1580
1581         * configure.in: For --enable-gold, handle value `default' instead of
1582         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1583         not the default.
1584         * configure: Regenerate.
1585
1586 2010-11-18  Doug Kwan  <dougkwan@google.com>
1587
1588         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1589         and right_alignment to be zero.  Store result alignment only if it is
1590         greater than existing alignment.
1591
1592 2010-11-16  Cary Coutant  <ccoutant@google.com>
1593
1594         PR gold/12220
1595         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1596         Check for ".zdebug_line".
1597
1598 2010-11-16  Doug Kwan  <dougkwan@google.com>
1599             Cary Coutant  <ccoutant@google.com>
1600
1601         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1602         by reference; adjust all callers.
1603         * output.cc (Output_segment::set_section_addresses): Adjust references
1604         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1605         list is empty.
1606         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1607         end at page boundary.
1608
1609 2010-11-16  Cary Coutant  <ccoutant@google.com>
1610
1611         PR gold/12220
1612         * layout.cc (Layout::choose_output_section): Transform names of
1613         compressed sections even when using a script with a SECTIONS clause.
1614         (Layout::output_section_name): Remove code to transform
1615         compressed debug section names.
1616         * output.cc (Output_section::add_input_section): Use uncompressed
1617         section size when tracking input sections.
1618
1619 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1620
1621         * symtab.h (Symbol::NON_PIC_REF): Remove.
1622         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1623         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1624         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1625         (Symbol::use_plt_offset): Take a flags argument and pass it
1626         directly to needs_dynamic_reloc.  Restrict check for undefined
1627         weak symbols to function calls.
1628         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1629         (Target_arm::Scan::global): Use it.
1630         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1631         (Target_arm::Relocate::relocate): Likewise.
1632         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1633         parameter with an r_type parameter.  Use get_reference_flags
1634         to get the flags.
1635         (Target_arm::Relocate::relocate): Update accordingly.
1636         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1637         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1638         (Target_i386::Scan::global): Likewise.
1639         (Target_i386::Relocate::relocate): Likewise.
1640         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1641         parameter with an r_type parameter.  Use get_reference_flags
1642         to get the flags.
1643         (Target_i386::Relocate::relocate): Update accordingly.
1644         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1645         (Target_powerpc::Scan::global): Use it.
1646         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1647         (Target_powerpc::Relocate::relocate): Likewise.
1648         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1649         (Target_sparc::Scan::global): Use it.
1650         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1651         (Target_sparc::Relocate::relocate): Likewise.
1652         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1653         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1654         (Target_x86_64::Scan::global): Likewise.
1655         (Target_x86_64::Relocate::relocate): Likewise.
1656
1657 2010-11-08  Doug Kwan  <dougkwan@google.com>
1658             Cary Coutant  <ccoutant@google.com>
1659
1660         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1661         (Arm_exidx_merge_section::section_contents_): New data member.
1662         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1663         (Arm_input_section::~Arm_input_section): De-allocate memory.
1664         (Arm_input_section::original_contents_): New data member.       
1665         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1666         in parameters instead of calling Object::section_contents without
1667         locking.
1668         (Arm_output_section::group_section): New parameter TASK.  Pass it
1669         to callees that need locking objects.
1670         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1671         to lock EXIDX input sections.  Fix a formatting issue.  Call
1672         Arm_exidx_merged_section::build_contents to create merged section
1673         contents.
1674         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1675         to lock object of stub table owner.
1676         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1677         TEXT_SIZE to initialize data member TEXT_SIZE_.
1678         (Arm_exidx_input_section::addralign): Fix typo in comment.
1679         (Arm_exidx_input_section::text_size): New method.
1680         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1681         that require locking objects.  Lock objects before scanning for stubs
1682         and updating local symbols.
1683         (Arm_input_section<big_endian>::init): Copy contents of original
1684         input section.
1685         (Arm_input_section<big_endian>::do_write): Use saved contents of
1686         original input section instead of calling Object::section_contents
1687         without locking.
1688         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1689         size without calling Object::section_size().
1690         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1691         for size.  Allocate a buffer for merged EXIDX entries.
1692         (Arm_exidx_merged_section::build_contents): New method.
1693         (Arm_exidx_merged_section::do_write): Move merge section contents
1694         building code to Arm_exidx_merged_section::build_contetns.  Write
1695         out contetns in buffer instead of building it on the fly.
1696         (Arm_relobj::make_exidx_input_section): Also pass text section size
1697         to Arm_exidx_input_section constructor.
1698         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1699         (Arm_dynobj::do_read_symbols): Fix memory leak.
1700         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1701         * target.h: (class Task): Add forward declaration.
1702         (Target::relax): Add new parameter TASK and pass it to
1703         Target::do_relax().
1704         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1705
1706 2010-11-05  Cary Coutant  <ccoutant@google.com>
1707
1708         PR gold/10708
1709         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1710         object when reading from the file.
1711         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1712         second layout pass.
1713         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1714         when reading section contents.
1715         (get_section_contents): Likewise.
1716         (icf::find_identical_sections): Likewise.
1717         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1718         object when reading from the file.
1719         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1720         the object when doing deferred section layout.
1721
1722 2010-11-03  Nick Clifton  <nickc@redhat.com>
1723
1724         PR gold/12001
1725         * script.h (class Symbol_assignment: name): New member.  Returns
1726         the name of the symbol.
1727         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1728         Returns true if the given symbol name is on the list of
1729         assignments wating to be processed.
1730         * archive.cc (should_incldue_member): If the symbol is undefined,
1731         check to see if it is on the list of symbols pending assignment.
1732
1733 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1734
1735         * script-sections.cc (Script_sections::find_memory_region): Check
1736         for a NULL output section pointer.
1737
1738 2010-10-29  Doug Kwan  <dougkwan@google.com>
1739
1740         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1741         Output_section::add_relaxed_input_section.
1742         * output.cc (Output_section::add_relaxed_input_section): Add new
1743         arguments LAYOUT and NAME.  Set section order index.
1744         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1745         Copy section order index.
1746         * output.h (Output_section::add_relaxed_input_section): Add new
1747         arguments LAYOUT and NAME.
1748
1749 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1750
1751         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1752         NATIVE_OR_CROSS_LINKER.
1753         * testsuite/Makefile.in: Regenerate.
1754
1755 2010-10-20  Doug Kwan  <dougkwan@google.com>
1756
1757         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1758         without SHF_LINK_ORDER flags.
1759         * layout.cc (Layout::choose_output_section): Do not filter
1760         SHF_LINK_ORDER flag in a relocatable link.
1761
1762 2010-10-17  Cary Coutant  <ccoutant@google.com>
1763
1764         * output.h (Output_segment::set_section_addresses): Change function
1765         signature.  Update all callers.
1766         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1767         sections.
1768         (Output_segment::set_section_addresses): Align after last TLS
1769         section.  Add padding before last relro section instead of after.
1770
1771 2010-10-17  Doug Kwan  <dougkwan@google.com>
1772
1773         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1774         GOT output section to be writable.
1775
1776 2010-10-14  Cary Coutant  <ccoutant@google.com>
1777
1778         * debug.h (DEBUG_INCREMENTAL): New flag.
1779         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1780         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1781         mode.
1782         * incremental.cc (report_command_line): Ignore all forms of
1783         --incremental.
1784         * layout.cc (Layout::Layout): Check parameters for incremental link
1785         mode.
1786         * options.cc (General_options::parse_incremental): New function.
1787         (General_options::parse_no_incremental): New function.
1788         (General_options::parse_incremental_full): New function.
1789         (General_options::parse_incremental_update): New function.
1790         (General_options::incremental_mode_): New data member.
1791         (General_options::finalize): Check incremental_mode_.
1792         * options.h (General_options): Update help text for --incremental.
1793         Add --no-incremental, --incremental-full, --incremental-update.
1794         (General_options::Incremental_mode): New enum type.
1795         (General_options::incremental_mode): New function.
1796         (General_options::incremental_mode_): New data member.
1797         * parameters.cc (Parameters::incremental_mode_): New data member.
1798         (Parameters::set_options): Set incremental_mode_.
1799         (Parameters::set_incremental_full): New function.
1800         (Parameters::incremental): New function.
1801         (Parameters::incremental_update): New function.
1802         (set_parameters_incremental_full): New function.
1803         * parameters.h (Parameters::set_incremental_full): New function.
1804         (Parameters::incremental): New function.
1805         (Parameters::incremental_update): New function.
1806         (Parameters::incremental_mode_): New data member.
1807         (set_parameters_incremental_full): New function.
1808         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1809         incremental link mode.
1810         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1811         (Sized_relobj::do_relocate_sections): Likewise.
1812         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1813         option.
1814         * testsuite/Makefile.in: Regenerate.
1815         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1816
1817 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1818
1819         * script-sections.h (class Script_sections): Make
1820         Sections_elements typedef public.
1821         * script-sections.cc (class Sort_output_sections): Add elements_
1822         field.  Add constructor which sets it; change all callers.
1823         (Sort_output_sections::is_before): New function.
1824         (Sort_output_sections::operator()): Call is_before.
1825         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1826         conditional.
1827         * testsuite/script_test_10.sh: New test. Test script section
1828         order.
1829         * testsuite/script_test_10.t: Likewise.
1830         * testsuite/script_test_10.s: Likewise.
1831         * testsuite/Makefile.am: Wrap the cross linker tests and the
1832         common tests into NATIVE_OR_CROSS_LINKER.
1833         (check_SCRIPTS): Add script_test_10.sh.
1834         (check_DATA): Add script_test_10.stdout.
1835         (script_test_10.o, script_test_10): New targets.
1836         (script_test_10.stdout): New target.
1837         * configure, testsuite/Makefile.in: Regenerate.
1838
1839 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1840
1841         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1842         error for the deprecated relocations.
1843         (Target_arm::Scan::global): Likewise.
1844         (Target_arm::Relocate::relocate): Likewise.
1845
1846 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1847
1848         * fileread.cc (Input_file::find_file): Initialize *found_name
1849         and *namep when using the fallback search for case 4.
1850
1851 2010-10-11  Cary Coutant  <ccoutant@google.com>
1852
1853         * options.h (class General_options): Redefine -z lazy as an alias for
1854         the negation of -z now.
1855
1856 2010-10-11  Ian Lance Taylor  <iant@google.com>
1857
1858         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1859         binding.
1860
1861 2010-10-06  Nick Clifton  <nickc@redhat.com>
1862
1863         * script-sections.cc(class Memory_region): Remove
1864         current_lma_offset_ field.  Rename current_vma_offset_ to
1865         current_offset_.  Add last_section_ field.
1866         (Memory_region::get_current_vma_address): Rename to
1867         get_current_address.
1868         (Memory_region::get_current_lma_address): Delete.
1869         (Memory_region::increment_vma_offset): Rename to
1870         increment_offset.
1871         (Memory_region::increment_lma_offset): Delete.
1872         (Memory_region::attributes_compatible): New method.  Returns
1873         true if the provided section is compatible with the region.
1874         (Memory_region::get_last_section): New method.  Returns the last
1875         section to use the region.
1876         (Memory_region::set_last_section): New method.  Stores the last
1877         section to use the region.
1878         (Script_sections::block_in_region): New method.  Returns true if
1879         a block of memory is contained within a region.
1880         (Script_sections::find_memory_region): New method.  Locates a
1881         memory region to be used to set a VMA or LMA address.
1882         (Output_section_definition::set_section_addresses): Add code to
1883         check for addresses set by memory regions.
1884         (Output_segment::set_section_addresses): Remove memory region
1885         walking code.
1886         (Script_sections::create_segment): Add a warning if a header
1887         segment is created outside of any region.
1888         * script-sections.h (class Script_sections): Add prototypes for
1889         find_memory_region and block_in_region methods.
1890         * testsuite/memory_test.s: Use .long instead of .word.
1891         * testsuite/memory_test.t: Add some more output sections.
1892         * testsuite/memory_test.sh: Update expected output.
1893
1894 2010-10-02  Doug Kwan  <dougkwan@google.com>
1895
1896         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1897         defintion to symtab.h
1898         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1899         declaration to defintion.
1900
1901 2010-10-01  Nick Clifton  <nickc@redhat.com>
1902
1903         * expression.cc (eval): Replace dummy argument with NULL.
1904         (eval_maybe_dot): Check for a NULL result section pointer.
1905         (Symbol_expression::value): Likewise.
1906         (Dot_expression::value): Likewise.
1907         (BINARY_EXPRESSION): Likewise.
1908         (Max_expression::value): Likewise.
1909         (Min_expression::value): Likewise.
1910         (Absolute_expression::value): Likewise.
1911         (Addr_expression::value_from_output_section): Likewise.
1912         (Loaddddr_expression::value_from_output_section): Likewise.
1913         (Segment_start_expression::value): Likewise.
1914         * script-sections.cc
1915         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1916         argument with NULL.
1917         (Sections_elememt_dot_assignment::set_section_addresses):
1918         Likewise.
1919         (Output_data_expression::do_write_to_buffer): Likewise.
1920         (Output_section_definition::finalize_symbols): Likewise.
1921         (Output_section_definition::set_section_addresses): Likewise.
1922
1923 2010-09-30  Doug Kwan  <dougkwan@google.com>
1924
1925         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1926
1927 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1928
1929         * target.h (Target::can_icf_inline_merge_sections): New virtual
1930         function.
1931         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1932         virtual function.
1933         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1934         virtual function.
1935         * icf.cc (get_section_contents): Inline merge sections only when
1936         target allows it.
1937
1938 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1939
1940         * configure: Regenerate.
1941
1942 2010-09-17  Ian Lance Taylor  <iant@google.com>
1943
1944         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1945         * testsuite/Makefile.am (memory_test.o): New target.
1946         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1947         memory_test.t.
1948         * testsuite/Makefile.in: Rebuild.
1949
1950 2010-09-17  Doug Kwan  <dougkwan@google.com>
1951
1952         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1953         defintion if relocation uses GOT entries of the symbol.
1954         * testsuite/icf_safe_test.sh: Fix test.
1955         * testsuite/icf_safe_so_test.sh: Fix test.
1956
1957 2010-09-16  Cary Coutant  <ccoutant@google.com>
1958
1959         * script_sections.cc (class Memory_region): Remove "NULL" from
1960         vector initializations.
1961
1962 2010-09-15  Cary Coutant  <ccoutant@google.com>
1963
1964         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1965         Resolve forwarding symbols.
1966
1967 2010-09-15  Doug Kwan  <dougkwan@google.com>
1968
1969         * gold/testsuite/script_test_3.t: Add ARM special sections.
1970         * gold/testsuite/script_test_4.t: Same.
1971         * gold/testsuite/script_test_5.t: Same.
1972         * gold/testsuite/script_test_6.t: Same.
1973         * gold/testsuite/script_test_7.t: Same.
1974         * gold/testsuite/script_test_7.t: Same.
1975         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1976
1977 2010-09-14  Cary Coutant  <ccoutant@google.com>
1978
1979         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1980         (Target_x86_64::Relocate::relocate_tls): Replace check for
1981         saw_tls_block_reloc_ with test for executable section.
1982
1983 2010-09-12  Cary Coutant  <ccoutant@google.com>
1984
1985         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1986         position-independent executables to shared libraries need dynamic
1987         relocations.
1988         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1989         position-independent executables.
1990         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1991         * testsuite/Makefile.in: Regenerate.
1992
1993 2010-09-10  Nick Clifton  <nickc@redhat.com>
1994
1995         PR gold/11997
1996         * testsuite/memory_test.t: Discard any sections that are not
1997         needed.
1998
1999 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2000
2001         PR gold/11996
2002         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2003         "This::" to work around a bug in gcc 4.2.
2004
2005         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2006
2007 2010-09-09  Rafael Espindola  <espindola@google.com>
2008
2009         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2010         sections with different PF_X flags in the same segment.
2011         (Layout::find_first_load_seg): Search all segments to find the first
2012         one.
2013         * options.h (rosegment): New.
2014
2015 2010-09-08  Rafael Espindola  <espindola@google.com>
2016
2017         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2018
2019 2010-09-08  Doug Kwan  <dougkwan@google.com>
2020
2021         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2022         (Arm_relobj::do_relocate_sections): Add new parameter for output
2023         file to match the parent.
2024         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2025         of local symbols instead of input values.  Update code to track
2026         changes in gold::relocate_section.
2027         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2028         (Sized_relobj::compute_final_local_value_internal): New methods.
2029         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2030         body into private version of Sized_relobj::compute_final_local_value.
2031         Call the inline method.
2032         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2033         merged symbol value if there is one.
2034         (Symbol_value::has_output_value): New method defintiion.
2035         (Sized_relobj::Compute_final_local_value_status): New enum type.
2036         (Sized_relobj::compute_final_local_value): New methods.
2037         (Sized_relobj::compute_final_local_value_internal): New methods.
2038         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2039         and arm_cortex_a8.sh.
2040         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2041         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2042         New tests.
2043         * Makefile.in: Regenerate.
2044         * testsuite/arm_bl_out_of_range.s: Update test.
2045         * testsuite/thumb_bl_out_of_range.s: Ditto.
2046         * testsuite/thumb_blx_out_of_range.s: Ditto.
2047         * testsuite/arm_branch_out_of_range.sh: New file.
2048         * testsuite/arm_cortex_a8.sh: Ditto.
2049         * testsuite/arm_cortex_a8_b.s: Ditto.
2050         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2051         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2052         * testsuite/arm_cortex_a8_bl.s: Ditto.
2053         * testsuite/arm_cortex_a8_blx.s: Ditto.
2054         * testsuite/arm_cortex_a8_local.s: Ditto.
2055         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2056         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2057
2058 2010-09-08  Rafael Espindola  <espindola@google.com>
2059
2060         * Makefile.am (memory_test.stdout): Run readelf with -W.
2061         * Makefile.in: Regenerate.
2062         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2063         64 bit output.
2064
2065 2010-09-08  Rafael Espindola  <espindola@google.com>
2066
2067         * script-sections.cc (Script_sections::add_memory_region): Convert
2068         field precision to int.
2069         * script.cc (script_set_section_region, script_set_section_region):
2070         Convert field precision to int.
2071
2072 2010-09-08  Rafael Espindola  <espindola@google.com>
2073
2074         * arm.cc (do_finalize_sections): Create the __exidx_start and
2075         __exdix_end symbols even when the section is missing.
2076
2077 2010-09-08  Nick Clifton  <nickc@redhat.com>
2078
2079         * README: Remove claim that MEMORY is not supported.
2080         * expression.cc (script_exp_function_origin)
2081         (script_exp_function_length): Move from here to ...
2082         * script.cc: ... here.
2083         (script_set_section_region, script_add_memory)
2084         (script_parse_memory_attr, script_include_directive): New
2085         functions.
2086         * script-sections.cc
2087         (class Memory_region): New class.
2088         (class Output_section_definition): Add set_memory_region,
2089         set_section_vma, set_section_lma and get_section_name methods.
2090         (class Script_Sections): Add add_memory_region,
2091         find_memory_region, find_memory_region_origin,
2092         find_memory_region_length and set_memory_region methods.
2093         Have set_section_addresses method walk the list of set memory
2094         regions.
2095         Extend the print methos to display memory regions.
2096         * script-sections.h: Add prototypes for new methods.
2097         Add enum for MEMORY region attributes.
2098         * yyscript.y: Add support for parsing MEMORY regions.
2099         * script-c.h: Add prototypes for new functions.
2100         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2101         * testsuite/Makefile.in: Regenerate.
2102         * testsuite/memory_test.sh: New script.
2103         * testsuite/memory_test.s: New assembler source file.
2104         * testsuite/memory_test.t: New linker script.
2105
2106 2010-08-27  Doug Kwan  <dougkwan@google.com>
2107
2108         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2109         reference override an existing dynamic weak reference.
2110         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2111         * testsuite/Makefile.in: Regenerate.
2112         * testsuite/dyn_weak_ref.sh: New file.
2113         * testsuite/dyn_weak_ref_1.c: Ditto.
2114         * testsuite/dyn_weak_ref_2.c: Ditto.
2115
2116 2010-08-27  Ian Lance Taylor  <iant@google.com>
2117
2118         * incremental.h (class Incremental_input_entry): Add virtual
2119         destructor.
2120
2121 2010-08-27  Ian Lance Taylor  <iant@google.com>
2122
2123         * testsuite/start_lib_test_3.c: Mark t3 as used.
2124
2125 2010-08-27  Nick Clifton  <nickc@redhat.com>
2126
2127         * options.cc (version_script): Fix small typo in previous
2128         whitespace tidyup.
2129
2130 2010-08-25  Nick Clifton  <nickc@redhat.com>
2131
2132         * archive.cc: Formatting fixes: Remove whitespace between
2133         typename and following asterisk.  Remove whitespace between
2134         function name and opening parenthesis.
2135         * archive.h: Likewise.
2136         * arm.cc: Likewise.
2137         * attributes.cc: Likewise.
2138         * attributes.h: Likewise.
2139         * common.cc: Likewise.
2140         * copy-relocs.cc: Likewise.
2141         * dirsearch.h: Likewise.
2142         * dynobj.cc: Likewise.
2143         * ehframe.cc: Likewise.
2144         * ehframe.h: Likewise.
2145         * expression.cc: Likewise.
2146         * fileread.cc: Likewise.
2147         * fileread.h: Likewise.
2148         * gc.h: Likewise.
2149         * gold-threads.cc: Likewise.
2150         * gold.cc: Likewise.
2151         * i386.cc: Likewise.
2152         * icf.h: Likewise.
2153         * incremental-dump.cc: Likewise.
2154         * incremental.cc: Likewise.
2155         * layout.cc: Likewise.
2156         * layout.h: Likewise.
2157         * main.cc: Likewise.
2158         * merge.cc: Likewise.
2159         * merge.h: Likewise.
2160         * object.cc: Likewise.
2161         * object.h: Likewise.
2162         * options.cc: Likewise.
2163         * options.h: Likewise.
2164         * output.cc: Likewise.
2165         * output.h: Likewise.
2166         * plugin.cc: Likewise.
2167         * plugin.h: Likewise.
2168         * powerpc.cc: Likewise.
2169         * reloc.cc: Likewise.
2170         * script-c.h: Likewise.
2171         * script-sections.cc: Likewise.
2172         * script.cc: Likewise.
2173         * stringpool.cc: Likewise.
2174         * symtab.cc: Likewise.
2175         * symtab.h: Likewise.
2176         * target.cc: Likewise.
2177         * timer.cc: Likewise.
2178         * timer.h: Likewise.
2179         * version.cc: Likewise.
2180         * x86_64.cc: Likewise.
2181
2182 2010-08-24  Nick Clifton  <nickc@redhat.com>
2183
2184         PR 11899
2185         * layout.cc (segment_precedes): Sort segments by their physical
2186         addresses, if they have been set.
2187
2188 2010-08-23  Cary Coutant  <ccoutant@google.com>
2189
2190         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2191         symbols data.
2192         (Lib_group::include_member): Unlock object after deleting its
2193         symbols data.
2194         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2195         the bug fixed here.
2196
2197 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2198             Cary Coutant  <ccoutant@google.com>
2199
2200         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2201         constructor, and set_blocker.
2202         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2203         readsyms_blocker_.
2204         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2205         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2206         * testsuite/Makefile.am (start_lib_test): New test case.
2207         * testsuite/Makefile.in: Regenerate.
2208         * testsuite/start_lib_test_main.c: New file.
2209         * testsuite/start_lib_test_1.c: New file.
2210         * testsuite/start_lib_test_2.c: New file.
2211         * testsuite/start_lib_test_3.c: New file.
2212
2213 2010-08-19  Ian Lance Taylor  <iant@google.com>
2214
2215         * Makefile.in: Rebuild with automake 1.11.1.
2216         * aclocal.m4: Likewise.
2217         * testsuite/Makefile.in: Likewise.
2218
2219 2010-08-19  Ian Lance Taylor  <iant@google.com>
2220
2221         PR 10893
2222         * i386.cc (class Output_data_plt_i386): Update declarations.
2223         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2224         local_ifuncs_ fields.
2225         (Target_i386::do_plt_section_for_global): New function.
2226         (Target_i386::do_plt_section_for_local): New function.
2227         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2228         parameter; change all callers.  Initialize global_ifuncs_ and
2229         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2230         __rel_iplt_end.
2231         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2232         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2233         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2234         symbols.
2235         (Target_i386::make_plt_section): New function, broken out of
2236         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2237         (Target_i386::make_plt_entry): Call make_plt_section.
2238         (Target_i386::make_local_ifunc_plt_entry): New function.
2239         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2240         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2241         R_386_IRELATIVE to switch.
2242         (Target_i386::Scan::global): Likewise.
2243         (Target_i386::Relocate::relocate): Likewise.
2244         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2245         switch.
2246         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2247         (Target_x86_64::do_plt_section_for_global): New function.
2248         (Target_x86_64::do_plt_section_for_local): New function.
2249         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2250         parameter; change all callers.  If doing a static link define
2251         __rela_iplt_start and __rela_iplt_end.
2252         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2253         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2254         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2255         to point to .plt.
2256         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2257         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2258         switch.
2259         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2260         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2261         R_X86_64_IRELATIVE to switch.
2262         (Target_x86_64::Scan::global): Likewise.
2263         (Target_x86_64::Relocate::relocate): Likewise.
2264         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2265         switch.
2266         * target.h (class Target): Add plt_section_for_global and
2267         plt_section_for_local functions.  Add do_plt_section_for_global
2268         and do_plt_section_for_local virtual functions.
2269         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2270         clarifying comments.
2271         (Symbol::use_plt_offset): Handle IFUNC symbol.
2272         * object.cc (Sized_relobj::Sized_relobj): Initialize
2273         local_plt_offsets_.
2274         (Sized_relobj::local_has_plt_offset): New function.
2275         (Sized_relobj::local_plt_offset): New function.
2276         (Sized_relobj::set_local_plt_offset): New function.
2277         (Sized_relobj::do_count): Handle IFUNC symbol.
2278         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2279         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2280         is_ifunc_symbol functions.
2281         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2282         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2283         local_plt_offsets_ field.
2284         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2285         * output.h (class Output_section_data): Add non-const
2286         output_section function.
2287         (class Output_data_got): Update declarations.
2288         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2289         Add use_plt_offset parameter to global and local constructors.
2290         Change all callers.  Change local_sym_index_ field to 31 bits.
2291         Change GSYM_CODE and CONSTANT_CODE accordingly.
2292         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2293         doing a static link don't set sh_link field.
2294         (Output_data_got::Got_entry::write): Use PLT offset if
2295         appropriate.
2296         (Output_data_got::add_global_plt): New function.
2297         (Output_data_got::add_local_plt): New function.
2298         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2299         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2300         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2301         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2302         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2303         IFUNC conditional.
2304         * testsuite/ifunc-sel.h: New file.
2305         * testsuite/ifuncmain1.c: New file.
2306         * testsuite/ifuncmain1vis.c: New file.
2307         * testsuite/ifuncmod1.c: New file.
2308         * testsuite/ifuncdep2.c: New file.
2309         * testsuite/ifuncmain2.c: New file.
2310         * testsuite/ifuncmain3.c: New file.
2311         * testsuite/ifuncmod3.c: New file.
2312         * testsuite/ifuncmain4.c: New file.
2313         * testsuite/ifuncmain5.c: New file.
2314         * testsuite/ifuncmod5.c: New file.
2315         * testsuite/ifuncmain6pie.c: New file.
2316         * testsuite/ifuncmod6.c: New file.
2317         * testsuite/ifuncmain7.c: New file.
2318         * configure, testsuite/Makefile.in: Rebuild.
2319
2320 2010-08-18  Ian Lance Taylor  <iant@google.com>
2321
2322         * incremental.cc
2323         (Output_section_incremental_inputs::write_input_files): Add cast
2324         to avoid signed/unsigned comparison warning.
2325         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2326
2327 2010-08-12  Cary Coutant  <ccoutant@google.com>
2328
2329         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2330
2331 2010-08-13  Ian Lance Taylor  <iant@google.com>
2332
2333         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2334
2335 2010-08-12  Cary Coutant  <ccoutant@google.com>
2336             Doug Kwan  <dougkwan@google.com>
2337
2338         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2339         defintion overrides non-weak undef, remember that the original undef
2340         is not weak.
2341         * symtab.cc (Symbol_table::sized_write_global): For undef without
2342         an original weak binding, set binding to global in output.
2343         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2344         * testsuite/Makefile.in: Regenerate.
2345         * testsuite/strong_ref_weak_def.sh: New file.
2346         * testsuite/strong_ref_weak_def_1.c: Ditto.
2347         * testsuite/strong_ref_weak_def_2.c: Ditto.
2348
2349 2010-08-12  Cary Coutant  <ccoutant@google.com>
2350
2351         * testsuite/incremental_test.sh: Rewrite.
2352         * testsuite/incremental_test_1.c: Rewrite.
2353         * testsuite/incremental_test_2.c: Rewrite.
2354
2355 2010-08-12  Cary Coutant  <ccoutant@google.com>
2356
2357         * arm.cc (Target_arm::got_size): Add const.
2358         (Target_arm::got_entry_count): New function.
2359         (Target_arm::plt_entry_count): New function.
2360         (Target_arm::first_plt_entry_offset): New function.
2361         (Target_arm::plt_entry_size): New function.
2362         (Output_data_plt_arm::entry_count): New function.
2363         (Output_data_plt_arm::first_plt_entry_offset): New function.
2364         (Output_data_plt_arm::get_plt_entry_size): New function.
2365         * i386.cc (Target_i386::got_size): Add const.
2366         (Target_i386::got_entry_count): New function.
2367         (Target_i386::plt_entry_count): New function.
2368         (Target_i386::first_plt_entry_offset): New function.
2369         (Target_i386::plt_entry_size): New function.
2370         (Output_data_plt_i386::entry_count): New function.
2371         (Output_data_plt_i386::first_plt_entry_offset): New function.
2372         (Output_data_plt_i386::get_plt_entry_size): New function.
2373         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2374         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2375         * incremental.cc: Include target.h.
2376         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2377         parameter.  Adjust all callers.  Find incremental_got_plt section.
2378         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2379         section.
2380         (Output_section_incremental_inputs::set_final_data_size): Calculate
2381         size of incremental_got_plt section.
2382         (Output_section_incremental_inputs::do_write): Write the
2383         incremental_got_plt section.
2384         (Got_plt_view_info): New struct.
2385         (Local_got_offset_visitor): New class.
2386         (Global_got_offset_visitor): New class.
2387         (Global_symbol_visitor_got_plt): New class.
2388         (Output_section_incremental_inputs::write_got_plt): New function.
2389         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2390         Add parameter.  Adjust all callers.
2391         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2392         (Incremental_inputs::got_plt_section): New function.
2393         (Incremental_inputs::got_plt_section_): New data member.
2394         (Incremental_got_plt_reader): New class.
2395         * layout.cc (Layout::create_incremental_info_sections): Add the
2396         incremental_got_plt section.
2397         * object.h (Got_offset_list::get_list): New function.
2398         (Got offset_list::for_all_got_offsets): New function.
2399         (Sized_relobj::local_got_offset_list): New function.
2400         * powerpc.cc (Target_powerpc::got_size): Add const.
2401         (Target_powerpc::got_entry_count): New function.
2402         (Target_powerpc::plt_entry_count): New function.
2403         (Target_powerpc::first_plt_entry_offset): New function.
2404         (Target_powerpc::plt_entry_size): New function.
2405         (Output_data_plt_powerpc::entry_count): New function.
2406         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2407         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2408         * sparc.cc (Target_sparc::got_size): Add const.
2409         (Target_sparc::got_entry_count): New function.
2410         (Target_sparc::plt_entry_count): New function.
2411         (Target_sparc::first_plt_entry_offset): New function.
2412         (Target_sparc::plt_entry_size): New function.
2413         (Output_data_plt_sparc::entry_count): New function.
2414         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2415         (Output_data_plt_sparc::get_plt_entry_size): New function.
2416         * symtab.h (Symbol::got_offset_list): New function.
2417         (Symbol_table::for_all_symbols): New function.
2418         * target.h (Sized_target::got_entry_count): New function.
2419         (Sized_target::plt_entry_count): New function.
2420         (Sized_target::plt_entry_size): New function.
2421         * x86_64.cc (Target_x86_64::got_size): Add const.
2422         (Target_x86_64::got_entry_count): New function.
2423         (Target_x86_64::plt_entry_count): New function.
2424         (Target_x86_64::first_plt_entry_offset): New function.
2425         (Target_x86_64::plt_entry_size): New function.
2426         (Output_data_plt_x86_64::entry_count): New function.
2427         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2428         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2429
2430 2010-08-12  Cary Coutant  <ccoutant@google.com>
2431
2432         * archive.cc: Include incremental.h.
2433         (Archive::Archive): Initialize incremental_info_.
2434         (Archive::include_member): Record archive members in incremental info.
2435         (Add_archive_symbols::run): Record begin and end of an archive in
2436         incremental info.
2437         (Lib_group::include_member): Record objects in incremental info.
2438         * archive.h (Incremental_archive_entry): Forward declaration.
2439         (Archive::set_incremental_info): New member function.
2440         (Archive::incremental_info): New member function.
2441         (Archive::Unused_symbol_iterator): New class.
2442         (Archive::unused_symbols_begin): New member function.
2443         (Archive::unused_symbols_end): New member function.
2444         (Archive::incremental_info_): New data member.
2445         * incremental-dump.cc (find_input_containing_global): New function.
2446         (dump_incremental_inputs): Dump new incremental info sections.
2447         * incremental.cc: Include symtab.h.
2448         (Output_section_incremental_inputs): New class.
2449         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2450         new incremental info sections.
2451         (Sized_incremental_binary::do_check_inputs): Likewise.
2452         (Incremental_inputs::report_archive): Remove.
2453         (Incremental_inputs::report_archive_begin): New function.
2454         (Incremental_inputs::report_archive_end): New function.
2455         (Incremental_inputs::report_object): New function.
2456         (Incremental_inputs::finalize_inputs): Remove.
2457         (Incremental_inputs::report_input_section): New function.
2458         (Incremental_inputs::report_script): Rewrite.
2459         (Incremental_inputs::finalize): Do nothing but finalize string table.
2460         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2461         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2462         (Incremental_inputs::create_data_sections): New function.
2463         (Incremental_inputs::relocs_entsize): New function.
2464         (Output_section_incremental_inputs::set_final_data_size): New function.
2465         (Output_section_incremental_inputs::do_write): New function.
2466         (Output_section_incremental_inputs::write_header): New function.
2467         (Output_section_incremental_inputs::write_input_files): New function.
2468         (Output_section_incremental_inputs::write_info_blocks): New function.
2469         (Output_section_incremental_inputs::write_symtab): New function.
2470         * incremental.h (Incremental_script_entry): Forward declaration.
2471         (Incremental_object_entry): Forward declaration.
2472         (Incremental_archive_entry): Forward declaration.
2473         (Incremental_inputs): Forward declaration.
2474         (Incremental_inputs_header_data): Remove.
2475         (Incremental_inputs_header): Remove.
2476         (Incremental_inputs_header_write): Remove.
2477         (Incremental_inputs_entry_data): Remove.
2478         (Incremental_inputs_entry): Remove.
2479         (Incremental_inputs_entry_write): Remove.
2480         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2481         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2482         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2483         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2484         Likewise.
2485         (Incremental_input_entry): New class.
2486         (Incremental_script_entry): New class.
2487         (Incremental_object_entry): New class.
2488         (Incremental_archive_entry): New class.
2489         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2490         (Incremental_inputs::report_inputs): Remove.
2491         (Incremental_inputs::report_archive): Remove.
2492         (Incremental_inputs::report_archive_begin): New function.
2493         (Incremental_inputs::report_archive_end): New function.
2494         (Incremental_inputs::report_object): Change prototype.
2495         (Incremental_inputs::report_input_section): New function.
2496         (Incremental_inputs::report_script): Change prototype.
2497         (Incremental_inputs::get_reloc_count): New function.
2498         (Incremental_inputs::set_reloc_count): New function.
2499         (Incremental_inputs::create_data_sections): New function.
2500         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2501         (Incremental_inputs::inputs_section): New function.
2502         (Incremental_inputs::symtab_section): New function.
2503         (Incremental_inputs::relocs_section): New function.
2504         (Incremental_inputs::get_stringpool): Add const.
2505         (Incremental_inputs::command_line): Add const.
2506         (Incremental_inputs::inputs): Remove.
2507         (Incremental_inputs::command_line_key): New function.
2508         (Incremental_inputs::input_file_count): New function.
2509         (Incremental_inputs::input_files): New function.
2510         (Incremental_inputs::relocs_entsize): New function.
2511         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2512         (Incremental_inputs::finalize_inputs): Remove.
2513         (Incremental_inputs::Input_info): Remove.
2514         (Incremental_inputs::lock_): Remove.
2515         (Incremental_inputs::inputs_): Change type.
2516         (Incremental_inputs::inputs_map_): Remove.
2517         (Incremental_inputs::current_object_entry_): New data member.
2518         (Incremental_inputs::inputs_section_): New data member.
2519         (Incremental_inputs::symtab_section_): New data member.
2520         (Incremental_inputs::relocs_section_): New data member.
2521         (Incremental_inputs::reloc_count_): New data member.
2522         (Incremental_inputs_reader): New class.
2523         (Incremental_symtab_reader): New class.
2524         (Incremental_relocs_reader): New class.
2525         * layout.cc (Layout::finalize): Move finalization of incremental info
2526         and creation of incremental info sections to follow finalization of
2527         symbol table.  Set offsets for postprocessing sections.
2528         (Layout::create_incremental_info_sections): Call
2529         Incremental_inputs::create_data_sections.  Add incremental symtab
2530         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2531         sections to layout after input sections.
2532         * layout.h (struct Timespec): Forward declaration.
2533         (Layout::incremental_inputs): Add const.
2534         (Layout::create_incremental_info_sections): Add parameter.
2535         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2536         * object.cc: Include incremental.h.
2537         (Relobj::finalize_incremental_relocs): New function.
2538         (Sized_relobj::do_layout): Record input sections in incremental info.
2539         * object.h (Object::output_section): New function.
2540         (Object::output_section_offset): Moved from Relobj.
2541         (Object::get_incremental_reloc_base): New function.
2542         (Object::get_incremental_reloc_count): New function.
2543         (Object::do_output_section): New function.
2544         (Object::do_output_section_offset): Moved from Relobj.
2545         (Object::do_get_incremental_reloc_base): New function.
2546         (Object::do_get_incremental_reloc_count): New function.
2547         (Object::Object): Initialize new data members.
2548         (Relobj::output_section): Renamed do_output_section and moved to
2549         protected.
2550         (Relobj::output_section_offset): Moved to Object.
2551         (Relobj::do_get_incremental_reloc_base): New function.
2552         (Relobj::do_get_incremental_reloc_count): New function.
2553         (Relobj::allocate_incremental_reloc_counts): New function.
2554         (Relobj::count_incremental_reloc): New function.
2555         (Relobj::finalize_incremental_relocs): New function.
2556         (Relobj::next_incremental_reloc_index): New function.
2557         (Relobj::reloc_counts_): New data member.
2558         (Relobj::reloc_bases_): New data member.
2559         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2560         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2561         (Sized_relobj::incremental_relocs_scan): New function.
2562         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2563         (Sized_relobj::incremental_relocs_write): New function.
2564         (Sized_relobj::incremental_relocs_write_reltype): New function.
2565         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2566         incremental link.
2567         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2568         archives and object files elsewhere.
2569         (Add_symbols::run): Report object files here.
2570         (Finish_group::run): Report end of archive at end of group.
2571         * reloc.cc: Include layout.h, incremental.h.
2572         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2573         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2574         (Sized_relobj::incremental_relocs_scan): New function.
2575         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2576         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2577         (Sized_relobj::incremental_relocs_write): New function.
2578         (Sized_relobj::incremental_relocs_write_reltype): New function.
2579         * script.cc (read_input_script): Rewrite test for incremental link.
2580         Change call to Incremental_inputs::report_script.
2581         * symtab.h (Symbol_table::first_global_index): New function.
2582         (Symbol_table::output_count): New function.
2583
2584 2010-08-12  Doug Kwan  <dougkwan@google.com>
2585
2586         * arm.cc (Target_arm::merge_object_attributes): Check command line
2587         options --no-wchar-size-warning and --no-enum-size-warning.
2588         * options.h (General_options): Add ld-compatible options
2589         --no-enum-size-warning and --no-wchar-size-warning.
2590
2591 2010-08-04  Ian Lance Taylor  <iant@google.com>
2592
2593         * x86_64.cc (Target_x86_64::Scan::local): Use
2594         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2595         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2596         (Target_x86_64::Scan::global): Likewise.
2597         (Target_x86_64::Relocate::relocate): Likewise.
2598         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2599         Likewise.
2600
2601 2010-08-03  Cary Coutant  <ccoutant@google.com>
2602
2603         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2604         to reserve space in merged_strings vector. Keep total input size
2605         for stats.
2606         (Output_merge_string::do_print_merge_stats): Print total input size.
2607         * merge.h (Output_merge_string): Add input_size_ field.
2608         * stringpool.cc (Stringpool_template::string_length): Move
2609         implementations out of Stringpool_template class and place in
2610         stringpool.h.
2611         * stringpool.h (string_length): Move out of Stringpool_template.
2612
2613 2010-08-03  Ian Lance Taylor  <iant@google.com>
2614
2615         PR 11712
2616         * layout.cc (relaxation_loop_body): If address of load segment is
2617         set, adjust address to include headers if possible.
2618
2619 2010-08-03  Ian Lance Taylor  <iant@google.com>
2620
2621         * version.cc (version_string): Bump to 1.10.
2622
2623 2010-08-03  Ian Lance Taylor  <iant@google.com>
2624
2625         PR 11805
2626         * layout.h (enum Output_section_order): Define.
2627         (class Layout): Update declarations.
2628         * layout.cc (Layout::get_output_section): Add order parameter.
2629         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2630         is_first_non_relro parameters.  Change all callers.
2631         (Layout::choose_output_section): Likewise.
2632         (Layout::add_output_section_data): Likewise.
2633         (Layout::make_output_section): Likewise.  Set order.
2634         (Layout::default_section_order): New function.
2635         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2636         * output.cc (Output_section::Output_section): Initialize order_.
2637         Don't initialize deleted fields.
2638         (Output_segment::Output_segment): Don't initialize deleted
2639         fields.
2640         (Output_segment::add_output_section_to_load): New function
2641         replacing add_output_section.  Change all callers to call this or
2642         add_output_section_to_nonload.
2643         (Output_segment::add_output_section_to_nonload): New function.
2644         (Output_segment::remove_output_section): Rewrite.
2645         (Output_segment::add_initial_output_data): Likewise.
2646         (Output_segment::has_any_data_sections): Likewise.
2647         (Output_segment::is_first_section_relro): Likewise.
2648         (Output_segment::maximum_alignment): Likewise.
2649         (Output_segment::has_dynamic_reloc): New function replacing
2650         dynamic_reloc_count.  Change all callers.
2651         (Output_segment::has_dynamic_reloc_list): New function replacing
2652         dynamic_reloc_count_list.  Change all callers.
2653         (Output_segment::set_section_addresses): Rewrite.
2654         (Output_segment::set_offset): Rewrite.
2655         (Output_segment::find_first_and_last_list): Remove.
2656         (Output_segment::set_tls_offsets): Rewrite.
2657         (Output_segment::first_section_load_address): Likewise.
2658         (Output_segment::output_section_count): Likewise.
2659         (Output_segment::section_with_lowest_load_address): Likewise.
2660         (Output_segment::write_section_headers): Likewise.
2661         (Output_segment::print_sections_to_map): Likewise.
2662         * output.h (class Output_data): Remove dynamic_reloc_count_
2663         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2664         (Output_data::add_dynamic_reloc): Rewrite.
2665         (Output_data::has_dynamic_reloc): New function.
2666         (Output_data::dynamic_reloc_count): Remove.
2667         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2668         is_last_relro_, is_first_non_relro_, is_interp_,
2669         is_dynamic_linker_section_ fields.  Add order and set_order
2670         functions.  Remove is_relro_local, set_is_relro_local,
2671         is_last_relro, set_is_last_relro, is_first_non_relro,
2672         set_is_first_non_relro functions, is_interp, set_is_interp,
2673         is_dynamic_linker_section, and set_is_dynamic_linker_section
2674         functions.
2675         (class Output_segment): Change Output_data_list from std::list to
2676         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2677         output_bss_ fields.  Update declarations.
2678
2679 2010-08-02  Ian Lance Taylor  <iant@google.com>
2680
2681         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2682         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2683         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2684
2685 2010-08-02  Ian Lance Taylor  <iant@google.com>
2686
2687         PR 11855
2688         * script.cc (Script_options::Script_options): Initialize
2689         symbol_definitions_ and symbol_references_.
2690         (Script_options::add_symbol_assignment): Update
2691         symbol_definitions_ and symbol_references_.
2692         (Script_options::add_symbol_reference): New function.
2693         (script_symbol): New function.
2694         * script.h (class Script_options): Add symbol_definitions_ and
2695         symbol_references_ fields.
2696         (Script_options::referenced_const_iterator): New type.
2697         (Script_options::referenced_begin): New function.
2698         (Script_options::referenced_end): New function.
2699         (Script_options::is_referenced): New function.
2700         (Script_options::any_unreferenced): New function.
2701         * script-c.h (script_symbol): Declare.
2702         * yyscript.y (exp): Call script_symbol.
2703         * symtab.cc: Include "script.h".
2704         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2705         Change all callers.  Check symbols referenced by scripts.
2706         (Symbol_table::add_undefined_symbols_from_command_line): Add
2707         layout parameter.  Change all callers.
2708         (Symbol_table::do_add_undefined_symbols_from_command_line):
2709         Likewise.  Break out loop body.  Check symbols referenced by
2710         scripts.
2711         (Symbol_table::add_undefined_symbol_from_command_line): New
2712         function broken out of
2713         do_add_undefined_symbols_from_command_line.
2714         * symtab.h (class Symbol_table): Update declarations.
2715         * archive.cc: Include "layout.h".
2716         (Archive::should_include_member): Add layout parameter.  Change
2717         all callers.  Check for symbol mentioned in expression.
2718         * archive.h (class Archive): Update declaration.
2719         * object.cc (Sized_relobj::do_should_include_member): Add layout
2720         parameter.
2721         * object.h (Object::should_include_member): Add layout parameter.
2722         Change all callers.
2723         (Object::do_should_include_member): Add layout parameter.
2724         (class Sized_relobj): Update declaration.
2725         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2726         parameter.
2727         * dynobj.h (class Sized_dynobj): Update declaration.
2728         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2729         layout parameter.
2730         * plugin.h (class Sized_pluginobj): Update declaration.
2731
2732 2010-08-02  Ian Lance Taylor  <iant@google.com>
2733
2734         PR 11866
2735         * output.cc (Output_segment::set_offset): Search for the first and
2736         last sections rather than assuming that the list is in order.
2737         (Output_segment::find_first_and_last_list): New function.
2738         * output.h (class Output_segment): Update declarations.
2739         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2740         (relro_strip_test_SOURCES): New variable.
2741         (relro_strip_test_DEPENDENCIES): New variable.
2742         (relro_strip_test_LDFLAGS): New variable.
2743         (relro_strip_test_LDADD): New variable.
2744         (relro_strip_test.so): New target.
2745
2746 2010-08-02  Ian Lance Taylor  <iant@google.com>
2747
2748         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2749         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2750         (Target_i386::got_tlsdesc_section): New function.
2751         (Target_i386::got_section): Create space for GOT entries for
2752         TLSDESC relocations.
2753         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2754         R_386_TLS_GOTDESC.
2755         (Target_i386::Scan::global): Likewise.
2756         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2757         using TLSDESC GOT.
2758         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2759         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2760         (Target_x86_64::got_tlsdesc_section): New function.
2761         (Target_x86_64::got_section): Create space for GOT entries for
2762         TLSDESC relocations.
2763         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2764         R_386_TLS_GOTDESC.
2765         (Target_x86_64::Scan::global): Likewise.
2766         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2767         using TLSDESC GOT.
2768
2769 2010-08-02  Ian Lance Taylor  <iant@google.com>
2770
2771         * testsuite/final_layout.sh: Use dc to convert from hex to
2772         decimal.
2773
2774 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2775
2776         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2777         paramter to the call to gold::gc_process_relocs.
2778         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2779         paramter to the call to gold::gc_process_relocs.
2780         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2781         parameter to the call to gold::gc_process_relocs.
2782         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2783         template parameter to the call to gold::gc_process_relocs.
2784         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2785         paramter to the call to gold::gc_process_relocs.
2786         * gc.h (get_embedded_addend_size): New function.
2787         (gc_process_relocs): Save the size of the reloc for use by ICF.
2788         * icf.cc (get_section_contents): Get the addend from the text section
2789         for SHT_REL relocation sections.
2790         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2791         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2792         * int_encoding.h (read_from_pointer): New overloaded function.
2793         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2794         * testsuite/icf_sht_rel_addend_test.sh: New file.
2795         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2796         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2797
2798 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2799
2800         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2801         * Makefile.in: Regenerate.
2802         * testsuite/Makefile.in: Regenerate.
2803
2804 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2805
2806         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2807         * gold/testsuite/debug_msg.cc: Likewise.
2808         * gold/testsuite/odr_violation1.cc
2809         * gold/testsuite/odr_violation2.cc
2810
2811 2010-07-21  Cary Coutant  <ccoutant@google.com>
2812
2813         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2814         string, and length fields.
2815         (Output_merge_string::Merged_strings_list): New type.
2816         (Output_merge_string::Merged_strings_lists): New typedef.
2817         (Output_merge_string): Replace merged_strings_ with
2818         merged_strings_lists_.
2819         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2820         Merged_strings_list per input object and section.  Don't store pointer
2821         to the string.  Don't store length with each merged string entry.
2822         (Output_merge_string::finalize_merged_data): Loop over list of merged
2823         strings lists.  Recompute length of each merged string.
2824
2825 2010-07-15  Cary Coutant  <ccoutant@google.com>
2826
2827         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2828         here.
2829
2830 2010-07-14  Ian Lance Taylor  <iant@google.com>
2831
2832         * descriptors.cc (Descriptors::open): Report correct name in error
2833         message.
2834
2835 2010-07-13  Doug Kwan  <dougkwan@google.com>
2836
2837         * arm.cc (Arm_input_section::Arm_input_section): For a
2838         SHT_ARM_EXIDX section, always keeps the input sections.
2839         (Arm_input_section::set_exidx_section_link): New method.
2840         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2841         has_errors_ to false.
2842         (Arm_exidx_input_section::has_errors,
2843         Arm_exidx_input_section::set_has_errors): New methods.
2844         (Arm_exidx_input_section::has_errors_): New data member.
2845         (Arm_relobj::get_exidx_shndx_list): New method.
2846         (Arm_output_section::append_text_sections_to_list): Do not skip
2847         section without SHF_EXECINSTR.
2848         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2849         errors.
2850         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2851         section header.  Make error messages more verbose.  Check for
2852         a non-executable section linked to an EXIDX section.
2853         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2854         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2855         check that there is no deferred EXIDX section if we exit early.
2856         Instead of not making an EXIDX section in case of an error, make one
2857         and set the has_errors flag of it.
2858         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2859         in a relocatable link.
2860         (Target_arm::do_relax): Look for the EXIDX output section instead of
2861         assuming that it is called .ARM.exidx.
2862         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2863         section list.  Do not check for SHF_EXECINSTR section flags but
2864         skip any input section with errors.
2865         * output.cc (Output_section::Output_section): Initialize
2866         always_keeps_input_sections_ to false.
2867         (Output_section::add_input_section): Check for
2868         always_keeps_input_sections_.
2869         *  output.h (Output_section::always_keeps_input_sections,
2870         Output_section::set_always_keeps_input_sections): New methods.
2871         (Output_section::always_keeps_input_sections): New data member.
2872
2873 2010-07-13  Rafael Espindola  <espindola@google.com>
2874
2875         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2876         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2877
2878 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2879             Ian Lance Taylor  <iant@google.com>
2880
2881         * output.h (Output_section_lookup_maps::add_merge_section):
2882         Correct check of whether value was inserted.
2883         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2884         (Output_section_lookup_maps::add_relaxed_input_section):
2885         Likewise.
2886         * arm.cc (Target_arm::got_section): Remove used local os.
2887         * i386.cc (Target_i386::got_section): Likewise.
2888         * x86_64.cc (Target_x86_64::got_section): Likewise.
2889         * sparc.cc (Target_sparc::got_section): Likewise.
2890         (Target_sparc::relocate): Remove unused local have_got_offset.
2891         * powerpc.cc (Target_powerpc::relocate): Likewise.
2892
2893 2010-07-13  Ian Lance Taylor  <iant@google.com>
2894
2895         * compressed_output.cc (zlib_decompress): Fix signature in
2896         !HAVE_ZLIB_H case.
2897
2898         * archive.cc (Archive::include_member): Unlock an external member
2899         of a thin archive.  Don't bother to delete an object we know is
2900         NULL.
2901
2902 2010-07-12  Cary Coutant  <ccoutant@google.com>
2903
2904         * compressed_output.cc (zlib_decompress): New function.
2905         (get_uncompressed_size): New function.
2906         (decompress_input_section): New function.
2907         * compressed_output.h (get_uncompressed_size): New function.
2908         (decompress_input_section): New function.
2909         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2910         Handle compressed debug sections.
2911         * layout.cc (is_compressed_debug_section): New function.
2912         (Layout::output_section_name): Map compressed section names to
2913         canonical names.
2914         * layout.h (is_compressed_debug_section): New function.
2915         (is_debug_info_section): Recognize compressed debug sections.
2916         * merge.cc: Include compressed_output.h.
2917         (Output_merge_data::do_add_input_section): Handle compressed
2918         debug sections.
2919         (Output_merge_string::do_add_input_section): Handle compressed
2920         debug sections.
2921         * object.cc: Include compressed_output.h.
2922         (Sized_relobj::Sized_relobj): Initialize new data members.
2923         (build_compressed_section_map): New function.
2924         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2925         * object.h (Object::section_is_compressed): New method.
2926         (Object::do_section_is_compressed): New method.
2927         (Sized_relobj::Compressed_section_map): New type.
2928         (Sized_relobj::do_section_is_compressed): New method.
2929         (Sized_relobj::compressed_sections_): New data member.
2930         * output.cc (Output_section::add_input_section): Handle compressed
2931         debug sections.
2932         * reloc.cc: Include compressed_output.h.
2933         (Sized_relobj::write_sections): Handle compressed debug sections.
2934
2935 2010-07-08  Cary Coutant  <ccoutant@google.com>
2936
2937         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2938         weak when resolving to a dynamic def.
2939         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2940         for weak undef/dynamic def cases. Adjust callers.
2941         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2942         undef_binding_weak_.
2943         (Symbol_table::sized_write_globals): Adjust symbol binding.
2944         (Symbol_table::sized_write_symbol): Add binding parameter.
2945         * symtab.h (Symbol::set_undef_binding): New method.
2946         (Symbol::is_undef_binding_weak): New method.
2947         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2948         (Symbol_table::should_override): Add new parameter.
2949         (Symbol_table::sized_write_symbol): Add new parameter.
2950
2951         * testsuite/weak_undef_file1.cc: Add new test case.
2952         * testsuite/weak_undef_file2.cc: Fix header comment.
2953         * testsuite/weak_undef_test.cc: Add new test case.
2954
2955 2010-06-29  Doug Kwan  <dougkwan@google.com>
2956
2957         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2958         Initialize USE_SYMBOL_.
2959         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2960         definition.
2961         (Arm_reloc_property::uses_symbol_): New data member declaration.
2962         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2963         uses symbol value and symbol is undefined but not weakly undefined.
2964
2965 2010-06-28  Rafael Espindola  <espindola@google.com>
2966
2967         * plugin.cc (Plugin::load): Use dlerror.
2968
2969 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2970
2971         * symtab.cc (detect_odr_violations): When reporting an ODR
2972         violation, report an object where the symbol is defined.
2973
2974 2010-06-25  Doug Kwan  <dougkwan@google.com>
2975
2976         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2977         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2978         definition.
2979         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2980         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2981         target hook to detect function points.
2982         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2983         * icf.h (Icf::check_section_for_function_pointers): Change type of
2984         parameter SECTION_NAME to const reference to std::string.  Use
2985         target hook to determine if section may have unsafe pointers.
2986         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2987         method definition.
2988
2989 2010-06-21  Rafael Espindola  <espindola@google.com>
2990
2991         * fileread.cc (Input_file::find_fie): New
2992         (Input_file::open): Use Input_file::find_fie.
2993         * fileread.h (Input_file::find_fie): New
2994         * plugin.cc (set_extra_library_path): New.
2995         (Plugin::load): Add set_extra_library_path to the transfer vector.
2996         (Plugin_manager::set_extra_library_path): New.
2997         (Plugin_manager::add_input_file): Use the extra search path if set.
2998         (set_extra_library_path(): New.
2999         * plugin.h (Plugin_manager): Add set_extra_library_path and
3000         extra_search_path_.
3001
3002 2010-06-19  Cary Coutant  <ccoutant@google.com>
3003
3004         * layout.cc (gdb_sections): Add .debug_types.
3005         (lines_only_debug_sections): Likewise.
3006
3007 2010-06-18  Rafael Espindola  <espindola@google.com>
3008
3009         * plugin.cc (add_input_file,add_input_library)
3010         (Plugin_manager::add_input_file): Make filename arguments const.
3011         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3012         const.
3013
3014 2010-06-16  Doug Kwan  <dougkwan@google.com>
3015
3016         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3017         .ARM.attributes section if we have not merged any input
3018         attributes sections.
3019
3020 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3021
3022         * arm.cc: Allow combining objects with no EABI version
3023         information.
3024
3025 2010-06-15  Rafael Espindola  <espindola@google.com>
3026
3027         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3028
3029 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3030
3031         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3032         (struct iovec): Correct !HAVE_READV definition.
3033
3034 2010-06-10  Cary Coutant  <ccoutant@google.com>
3035
3036         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3037         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3038         reloc sections.
3039         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3040
3041         PR 11683
3042         * symtab.h (Symbol::is_placeholder): New member function.
3043         * target-reloc.h (relocate_section): Check for placeholder symbols.
3044
3045         * testsuite/Makefile.am (plugin_test_8): New test.
3046         (plugin_test_9): New test.
3047         * testsuite/Makefile.in: Regenerate.
3048
3049 2010-06-09  Nick Clifton  <nickc@redhat.com>
3050
3051         * yyscript.y (input_list_element): Allow strings prefixed with
3052         the '-' character.  Treat these as libraries.
3053         * script.cc (script_add_library): New function.  Adds a library
3054         specified by "-l<name>" found in an input script.
3055         * script-c.h: Add prototype for script_add_library.
3056
3057 2010-06-07  Doug Kwan  <dougkwan@google.com>
3058
3059         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3060         Restrict stub-group size to be within long conditional branch
3061         range when working around cortex-A8 erratum.
3062
3063 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3064
3065         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3066         #ifdef typo.
3067
3068 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3069
3070         PR gold/11658
3071         * output.cc
3072         (Output_section::Input_section_sort_entry::compare_section_ordering):
3073         Change to return non-zero correctly.
3074         (Output_section::Input_section_sort_section_order_index_compare
3075         ::operator()): Change to fix ambiguity in comparisons.
3076
3077 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3078
3079         * gold.h (is_wildcard_string): New function.
3080         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3081         (Layout::layout_eh_frame): Ditto.
3082         (Layout::find_section_order_index): New method.
3083         (Layout::read_layout_from_file): New method.
3084         * layout.h (Layout::find_section_order_index): New method.
3085         (Layout::read_layout_from_file): New method.
3086         (Layout::input_section_position_): New private member.
3087         (Layout::input_section_glob_): New private member.
3088         * main.cc (main): Call read_layout_from_file here.
3089         * options.h (--section-ordering-file): New option.
3090         * output.cc (Output_section::input_section_order_specified_): New
3091         member.
3092         (Output_section::Output_section): Initialize new member.
3093         (Output_section::add_input_section): Add new parameter.
3094         Keep input sections when --section-ordering-file is used.
3095         (Output_section::set_final_data_size): Sort input sections when
3096         section ordering file is specified.
3097         (Output_section::Input_section_sort_entry): Add new parameter.
3098         Check sorting type.
3099         (Output_section::Input_section_sort_entry::compare_section_ordering):
3100         New method.
3101         (Output_section::Input_section_sort_compare::operator()): Change to
3102         consider section_order_index.
3103         (Output_section::Input_section_sort_init_fini_compare::operator()):
3104         Change to consider section_order_index.
3105         (Output_section::Input_section_sort_section_order_index_compare
3106         ::operator()): New method.
3107         (Output_section::sort_attached_input_sections): Change to sort
3108         according to section order when specified.
3109         (Output_section::add_input_section<32, true>): Add new parameter.
3110         (Output_section::add_input_section<64, true>): Add new parameter.
3111         (Output_section::add_input_section<32, false>): Add new parameter.
3112         (Output_section::add_input_section<64, false>): Add new parameter.
3113         * output.h (Output_section::add_input_section): Add new parameter.
3114         (Output_section::input_section_order_specified): New
3115         method.
3116         (Output_section::set_input_section_order_specified): New method.
3117         (Input_section::Input_section): Initialize section_order_index_.
3118         (Input_section::section_order_index): New method.
3119         (Input_section::set_section_order_index): New method.
3120         (Input_section::section_order_index_): New member.
3121         (Input_section::Input_section_sort_section_order_index_compare): New
3122         struct.
3123         (Output_section::input_section_order_specified_): New member.
3124         * script-sections.cc (is_wildcard_string): Delete and move modified
3125         method to gold.h.
3126         (Output_section_element_input::Output_section_element_input): Modify
3127         call to is_wildcard_string.
3128         (Output_section_element_input::Input_section_pattern
3129         ::Input_section_pattern): Ditto.
3130         (Output_section_element_input::Output_section_element_input): Ditto.
3131         * testsuite/Makefile.am (final_layout): New test case.
3132         * testsuite/Makefile.in: Regenerate.
3133         * testsuite/final_layout.cc: New file.
3134         * testsuite/final_layout.sh: New file.
3135
3136 2010-06-01  Rafael Espindola  <espindola@google.com>
3137
3138         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3139
3140 2010-06-01  Rafael Espindola  <espindola@google.com>
3141
3142         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3143         visibility of symbols.
3144
3145 2010-05-27  Doug Kwan  <dougkwan@google.com>
3146
3147         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3148         from start of output section instead of address for a local symbol
3149         in a merged or relaxed section when doing a relocatable link.
3150
3151 2010-05-26  Rafael Espindola  <espindola@google.com>
3152
3153        PR 11604
3154         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3155         adding sections the garbage collector removed.
3156         * gold/testsuite/Makefile.am: Add test.
3157         * gold/testsuite/Makefile.in: Regenerate.
3158         * gold/testsuite/plugin_test_7.sh: New.
3159         * gold/testsuite/plugin_test_7_1.c: New.
3160         * gold/testsuite/plugin_test_7_2.c: New.
3161
3162 2010-05-26  Rafael Espindola  <espindola@google.com>
3163
3164         * script-sections.cc (Output_section_definition::set_section_addresses):
3165         Check for --section-start.
3166
3167 2010-05-26  Doug Kwan  <dougkwan@google.com>
3168
3169         * arm.cc (Arm_scan_relocatable_relocs): New class.
3170         (Target_arm::relocate_special_relocatable): New method.
3171         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3172         (Arm_relocate_functions::thumb_branch_common): Same.
3173         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3174         instead of Default_scan_relocatable_relocs.
3175         * target-reloc.h (relocate_for_relocatable): Let target handle
3176         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3177         * target.h (Sized_target::relocate_special_relocatable): New method.
3178
3179 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3180
3181         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3182
3183 2010-05-23  Doug Kwan  <dougkwan@google.com>
3184
3185         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3186         instead of a cast.
3187         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3188         with a direct branch, not a conditional branch, to a stub.
3189         * merge.cc (Output_merge_base::record_input_section): New method
3190         defintion.
3191         (Output_merge_data::do_add_input_section): Record input section if
3192         keeps-input-sections flag is set.
3193         (Output_merge_string::do_add_input_section): Ditto.
3194         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3195         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3196         INPUT_SECTIONS_.
3197         (Output_merge_base::keeps_input_sections,
3198         Output_merge_base::set_keeps_input_sections,
3199         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3200         method definitions.
3201         (Output_merge_base::Input_sections): New type declaration.
3202         (Output_merge_base::input_sections_begin,
3203         Output_merge_base::input_sections_end,
3204         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3205         (Output_merge_base::bool keeps_input_sections_,
3206         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3207         Output_merge_base::input_sections_): New data members.
3208         (Output_merge_data::do_set_keeps_input_sections): New method
3209         defintion.
3210         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3211         * output.cc (Output_section::Input_section::relobj): Move method
3212         defintion from class declaration to here and handle merge sections.
3213         (Output_section::Input_section::shndx): Ditto.
3214         (Output_section::Output_section): Remove initializations of removed
3215         data members and initialize new data member LOOKUP_MAPS_.
3216         (Output_section::add_input_section): Set keeps-input-sections flag
3217         for a newly created merge output section as appropriate.  Adjust code
3218         to use Output_section_lookup_maps class.
3219         (Output_section::add_relaxed_input_section): Adjst code for lookup
3220         maps code refactoring.
3221         (Output_section::add_merge_input_section): Add a new parameter
3222         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3223         class.  If adding input section to a newly created merge output
3224         section fails, remove the new merge section.
3225         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3226         Adjust code for use of the Output_section_lookup_maps class.
3227         (Output_section::find_merge_section): Ditto.
3228         (Output_section::build_lookup_maps): New method defintion.
3229         (Output_section::find_relaxed_input_section): Adjust code to use
3230         Output_section_lookup_maps class.
3231         (Output_section::get_input_sections): Export merge sections.  Adjust
3232         code to use Output_section_lookup_maps class.
3233         (Output_section:::add_script_input_section): Adjust code to use
3234         Output_section_lookup_maps class.  Update lookup maps for merge
3235         sections also.
3236         (Output_section::discard_states): Use Output_section_lookup_maps.
3237         (Output_section::restore_states): Same.
3238         * output.h (Merge_section_properties): Move class defintion out of
3239         Output_section.
3240         (Output_section_lookup_maps): New class.
3241         (Output_section::Input_section::is_merge_section): New method
3242         defintion.
3243         (Output_section::Input_section::relobj): Move defintion out of class
3244         defintion.  Declare method only.
3245         (Output_section::Input_section::shndx): Ditto.
3246         (Output_section::Input_section::output_merge_base): New method defintion.
3247         (Output_section::Input_section::u2_.pomb): New union field.
3248         (Output_section::Merge_section_by_properties_map,
3249         Output_section::Output_section_data_by_input_section_map,
3250         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3251         Remove types.
3252         (Output_section::add_merge_input_section): Add new parameter
3253         KEEPS_INPUT_SECTIONS.
3254         (Output_section::build_lookup_maps): New method declaration.
3255         (Output_section::merge_section_map_,
3256         Output_section::merge_section_by_properties_map_,
3257         Output_section::relaxed_input_section_map_,
3258         Output_section::is_relaxed_input_section_map_valid_): Remove data
3259         members.
3260         (Output_section::lookup_maps_): New data member.
3261
3262 2010-05-21  Doug Kwan  <dougkwan@google.com>
3263
3264         PR gold/11619
3265         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3266         avoid a compilation error.
3267
3268 2010-05-19  Rafael Espindola  <espindola@google.com>
3269
3270         * script-sections.cc (Output_section_definition::allocate_to_segment):
3271         Update the phdrs_list even when the output section is NULL.
3272         * testsuite/Makefile.am: Add test.
3273         * testsuite/Makefile.in: Regenerate.
3274         * testsuite/script_test_9.cc: New.
3275         * testsuite/script_test_9.sh: New.
3276         * testsuite/script_test_9.t: New.
3277
3278 2010-05-19  Doug Kwan  <dougkwan@google.com>
3279
3280         * arm.cc (Arm_input_section::original_size): New method.
3281         (Arm_input_section::do_addralign): Add a cast.
3282         (Arm_input_section::do_output_offset): Remove static cast.
3283         (Arm_input_section::original_addralign,
3284          Arm_input_section::original_size_): Change type to uint32_t.
3285         (Arm_input_section::init): Add safe casts for section alignment
3286         and size.
3287         (Arm_input_section::set_final_data_size): Do not set address and
3288         offset of stub table.
3289         (Arm_output_section::fix_exidx_coverage): Change use of of
3290         Output_section::Simple_input_section to that of
3291         Output_section::Input_section.
3292         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3293         except for the first pass.
3294         * output.cc (Output_section::get_input_sections): Change type of
3295         input_sections to std::list<Input_section>.
3296         (Output_section::add_script_input_section): Rename from
3297         Output_section::add_simple_input_section.  Change type of SIS
3298         parameter from Simple_input_section to Input_section.
3299         * output.h (Output_section::Simple_input_section): Remove class.
3300         (Output_section::Input_section): Change class visibility to public.
3301         (Output_section::Input_section::addralign): Use stored alignments
3302         for special input sections if set.
3303         (Output_section::Input_section::set_addralign): New method.
3304         (Output_section::get_input_sections): Change parameter type from
3305         list of Simple_input_section to list of Input_section.
3306         (Output_section::add_script_input_section): Rename from
3307         Output_section::add_simple_input_section. Change first parameter's
3308         type from Simple_input_section to Input_section and remove the
3309         second and third parameters.
3310         * script-sections.cc (Input_section::Input_section_list): Change
3311         type to list of Output_section::Input_section/
3312         (Input_section_info::Input_section_info): Change parameter type of
3313         INPUT_SECTION to Output_section::Input_section.
3314         (Input_section_info::input_section): Change return type.
3315         (Input_section_info::input_section_): Change type to
3316         Output_section::Input_section.
3317         (Output_section_element_input::set_section_addresses): Adjust code
3318         to use Output_section::Input_section instead of
3319         Output_section::Simple_input_section.  Adjust code for renaming
3320         of Output_section::add_simple_input_section.
3321         (Orphan_output_section::set_section_addresses): Ditto.
3322
3323 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3324
3325         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3326         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3327
3328 2010-05-18  Rafael Espindola  <espindola@google.com>
3329
3330         * options.cc (General_options::finalize): Handle -nostdlib.
3331         * options.h (nostdlib): New option.
3332         * script.cc (script_add_search_dir): Handle -nostdlib.
3333
3334 2010-05-12  Doug Kwan  <dougkwan@google.com>
3335
3336         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3337         attributes section only if there no attributes section after merging.
3338         (Target_arm::merge_object_attributes): Move value of
3339         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3340         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3341         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3342         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3343         and arm_attr_merge_7.stdout.
3344         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3345         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3346         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3347         arm_attr_merge_7b.o): New rules.
3348         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3349         arm_attr_merge_7
3350         * testsuite/Makefile.in: Regenerate.
3351         * testsuite/arm_attr_merge.sh: New file.
3352         * testsuite/arm_attr_merge_[67][ab].s: Same.
3353
3354 2010-05-05  Nick Clifton  <nickc@redhat.com>
3355
3356         * po/es.po: Updated Spanish translation.
3357
3358 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3359
3360         * Makefile.am (install-exec-local): Properly install gold as
3361         default cross linker.
3362         * Makefile.in: Regenerated.
3363
3364 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3365             Nick Clifton  <nickc@redhat.com>
3366
3367         * configure.ac (install_as_default): Define and set to false
3368         unless --enable-gold or --enable-gold=both/gold has been
3369         specified.
3370         * configure: Regenerate.
3371
3372         * Makefile.am (install-exec-local): Install the executable as
3373         'ld.gold'.  If install_as_default is true then also install it as
3374         'ld'.
3375         * Makefile.in: Regenerated.
3376
3377 2010-04-24  Ian Lance Taylor  <iant@google.com>
3378
3379         * layout.cc (Layout::layout_reloc): In relocatable link don't
3380         combine reloc sections for grouped sections.
3381
3382 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3383
3384         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3385         sections that are not ordinary to icf.
3386         * icf.cc (get_section_contents): Handle relocation pointing to section
3387         with no object or shndx information.
3388         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3389         * testsuite/Makefile.in: Regenerate.
3390         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3391         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3392
3393 2010-04-22  Ian Lance Taylor  <iant@google.com>
3394
3395         * expression.cc (Expression::Expression_eval_info): Add
3396         result_alignment_pointer field.
3397         (Expression::eval_with_dot): Add result_alignment_pointer
3398         parameter.  Change all callers.
3399         (Expression::eval_maybe_dot): Likewise.
3400         (class Binary_expression): Add alignment_pointer parameter to
3401         left_value and right_value.  Change all callers.
3402         (BINARY_EXPRESSION): Set result alignment.
3403         (class Trinary_expression): Add alignment_pointer parameter to
3404         arg2_value and arg3_value.  Change all callers.
3405         (Trinary_cond::value): Set result alignment.
3406         (Max_expression::value, Min_expression::value): Likewise.
3407         (Align_expression::value): Likewise.
3408         * script-sections.cc (class Sections_element): Add dot_alignment
3409         parameter to set_section_addresses virtual function.  Update
3410         instantiations.
3411         (class Output_section_element): Likewise.
3412         (Script_sections::create_segments): Add dot_alignment parameter.
3413         Change all callers.
3414         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3415         (Script_sections::set_phdrs_clause_addresses): Likewise.
3416         * script-sections.h: Update declarations.
3417         * script.h: Update declarations.
3418         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3419         min_p_align.
3420         * testsuite/script_test_3.t: Set large alignment.
3421         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3422         segment has expected alignment.
3423
3424 2010-04-22  Nick Clifton  <nickc@redhat.com>
3425
3426         * po/gold.pot: Updated by the Translation project.
3427         * po/vi.po: Updated Vietnamese translation.
3428
3429 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3430
3431         * testsuite/Makefile.am (check_PROGRAMS): Add
3432         icf_virtual_function_folding_test.
3433         * testsuite/Makefile.in: Regenerated.
3434
3435 2010-04-15  Andrew Haley  <aph@redhat.com>
3436
3437         * options.h (merge_exidx_entries): New option.
3438         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3439         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3440         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3441         (Target_arm::merge_exidx_entries): New function.
3442         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3443         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3444         to Arm_exidx_fixup constructor.
3445         Add new arg, merge_exidx_entries.
3446         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3447         Arm_output_section::fix_exidx_coverage.
3448
3449 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3450
3451         * icf.cc (get_section_contents): Check for preemptible functions.
3452         Ignore addend when appropriate.
3453         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3454         section folded.
3455         (add_from_relobj): Check for section folded.
3456         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3457         * symtab.h (should_add_dynsym_entry): Add new parameter.
3458         * target-reloc.h (scan_relocs): Check for section folded.
3459         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3460         Check reloc types for function pointers in shared objects.
3461         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3462         case.
3463         (icf_preemptible_functions_test): New test case.
3464         (icf_string_merge_test): New test case.
3465         * testsuite.Makefile.in: Regenerate.
3466         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3467         bar_glob.  Refactor code.
3468         * testsuite/icf_preemptible_functions_test.cc: New file.
3469         * testsuite/icf_preemptible_functions_test.sh: New file.
3470         * testsuite/icf_string_merge_test.cc: New file.
3471         * testsuite/icf_string_merge_test.sh: New file.
3472         * testsuite/icf_virtual_function_folding_test.cc: New file.
3473         * testsuite/icf_virtual_function_folding_test.sh: New file.
3474
3475 2010-04-14  Doug Kwan  <dougkwan@google.com>
3476
3477         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3478         for local symbol recounting if we remove a section due to ICF.
3479         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3480         there are no regular objects in input.
3481
3482 2010-04-13  Doug Kwan  <dougkwan@google.com>
3483
3484         * arm.cc (Arm_input_section::set_final_data_size): Compute
3485         accurate final data size instead of using current data size.
3486
3487 2010-04-09  Doug Kwan  <dougkwan@google.com>
3488
3489         * layout.cc (Layout::choose_output_section): Handle script section
3490         types.
3491         (Layout::make_output_section_for_script): Add section type parameter.
3492         Handle script section types.
3493         * layout.h (Layout::make_output_section_for_script): Add section
3494         type parameter.
3495         * output.cc (Output_section::Output_section): Initialize data member
3496         is_noload_.
3497         (Output_section::do_reset_address_and_file_offset): Do not set address
3498         to 0 if section is a NOLOAD section.
3499         * output.h (Output_section::is_noload): New method.
3500         (Output_section::set_is_noload): Ditto.
3501         (Output_section::is_noload_): New data member.
3502         * script-c.h (Script_section_type): New enum type.
3503         (struct Parser_output_section_header): Add new file section_type.
3504         * script-sections.cc (Sections_element::output_section_name): Add
3505         parameter for returning script section type.
3506         (Output_section_definition::output_section_name): Ditto.
3507         (Output_section_definition::section_type)P; New method.
3508         (Output_section_definiton::script_section_type_name): Ditto.
3509         (Output_section_definition::script_section_type_): New data member.
3510         (Output_section_definition::Output_section_definition): Initialize
3511         data member Output_section_definition::script_section_type_.
3512         (Output_section_definition::create_sections): Pass script section type
3513         to Layout::make_output_section_for_script.
3514         (Output_section_definition::output_section_name): Return script
3515         section type to caller.
3516         (Output_section_definition::set_section_address): Do not advance
3517         dot value and load address if section type is NOLOAD.  Set address
3518         of NOLOAD sections regardless of section flags.
3519         (Output_section_definition::print): Print section type if it is
3520         not SCRIPT_SECTION_TYPE_NONE.
3521         (Output_section_definition::section_type): New method.
3522         (Output_section_definition::script_section_type_name): Ditto.
3523         (Script_sections::output_section_name): Add new parameter
3524         PSECTION_TYPE for returning script section type.  Pass it to
3525         section elements.  Handle discard sections.
3526         (Sort_output_sections::operator()): Handle NOLOAD sections.
3527         * script-sections.h (Script_sections::Section_type): New enum type.
3528         (Script_sections::output_section_name): Add a new parameter for
3529         returning script section type.
3530         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3531         INFO and NOLOAD.
3532         * yyscript.y (union): Add new field SECTION_TYPE.
3533         (COPY, DSECT, INFO, NOLOAD): New tokens.
3534         (opt_address_and_section_type): Change type to output_section_header.
3535         (section_type): New non-terminal
3536         (section_header): Handle section type.
3537         (opt_address_and_section_type): Return section type value.
3538
3539 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3540
3541         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3542         * testsuite/plugin_common_test_2.c (foo): Likewise.
3543
3544 2010-04-08  Doug Kwan  <dougkwan@google.com>
3545
3546         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3547         Output_merge_data.
3548         * output.cc (Output_section::add_merge_input_section): Simplify
3549         code and return status of Output_merge_base::add_input_section.
3550         Update merge section map only if Output_merge_base::add_input_section
3551         returns true.
3552
3553 2010-04-07  Doug Kwan  <dougkwan@google.com>
3554
3555         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3556         if section is marked as containing instructions but has no mapping
3557         symbols.
3558         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3559         correct section index.
3560         (Arm_relobj::find_linked_text_section): Ditto.
3561
3562 2010-04-07  Cary Coutant  <ccoutant@google.com>
3563
3564         * archive.cc (include_member): Destroy Read_symbols_data object before
3565         releasing file.
3566         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3567         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3568         (Read_symbols_data::~Read_symbols_data) New destructor.
3569         (Section_relocs::Section_relocs) New constructor.
3570         (Section_relocs::~Section_relocs) New destructor.
3571         (Read_relocs_data::Read_relocs_data) New constructor.
3572         (Read_relocs_data::~Read_relocs_data) New destructor.
3573         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3574         pointers to NULL after deleting.
3575
3576 2010-04-07  Doug Kwan  <dougkwan@google.com>
3577
3578         * arm.cc: Replace "endianity" with "endianness" in comments.
3579         (Arm_exidx_cantunwind): Ditto.
3580         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3581         (Arm_relobj::merge_flags_and_attributes): New method.
3582         (Arm_relobj::merge_flags_and_attributes_): New data member.
3583         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3584         (Arm_relobj::scan_sections_for_stubs): Ditto.
3585         (Arm_relobj::do_read_symbols): Check to see if we really want to
3586         merge processor-specific flags and attributes.  Exit early if
3587         an object is empty except for section names and the undefined symbol.
3588         (Target_arm::do_finalize_sections): Move check for ELF format to
3589         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3590         attributes from a regular object only when we have determined that
3591         it is aapropriate.  Do not create an .ARM.attributes section in
3592         output if there is no regular input object.
3593         (Target_arm::merge_processor_specific_flags): Check
3594         --warn-mismatch before printing any error.
3595         (Target_arm::merge_object_attributes): Ditto.
3596         * gold.cc (queue_middle_tasks): Handle the case in which there is
3597         no regular object in input.
3598         * options.cc (General_options::parse_EB): New method.
3599         (General_options::parse_EL): Same.
3600         (General_options::General_options): Initialize endianness_.
3601         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3602         New options.
3603         (General_options::Endianness): New enum.
3604         (General_options::endianness): New method.
3605         (General_options::endianness_): New data member.
3606         * parameters.cc (Parameters::set_options): Check target endianness.
3607         (Parameters::set_target_once): Ditto.
3608         (Parameters::check_target_endianness): New method.
3609         (parameters_force_valid_target): If either -EL or -EB is specified,
3610         use it to define endianness of default target.
3611         * parameters.h (Parameters::check_target_endianness): New method
3612         declaration.
3613         * target.h (class Target): Change "endianity" to "endianness"
3614         in comments.
3615
3616 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3617
3618         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3619         * configure: Regenerate.
3620         * Makefile.in: Regenerate.
3621         * testsuite/Makefile.in: Regenerate.
3622
3623 2010-04-06  Cary Coutant  <ccoutant@google.com>
3624
3625         gcc PR lto/42757
3626         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3627         prevailing definitions of common symbols.
3628         * testsuite/plugin_test_6.sh: New test case.
3629         * testsuite/plugin_common_test_1.c: New test case.
3630         * testsuite/plugin_common_test_2.c: New test case.
3631         * testsuite/Makefile.am (plugin_test_6): New test case.
3632         * testsuite/Makefile.in: Regenerate.
3633
3634 2010-04-06  Nick Clifton  <nickc@redhat.com>
3635
3636         * po/vi.po: New Vietnamese translation.
3637
3638 2010-03-30  Doug Kwan  <dougkwan@google.com>
3639
3640         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3641
3642 2010-03-25  Doug Kwan  <dougkwan@google.com>
3643
3644         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3645         to avoid a conversion warning on a 32-bit host.
3646
3647 2010-03-24  Ian Lance Taylor  <iant@google.com>
3648
3649         * testsuite/script_test_3.t: Add a TLS segment.
3650         * testsuite/Makefile.am (check_PROGRAMS): Add
3651         tls_phdrs_script_test.
3652         (tls_phdrs_script_test_SOURCES): Define.
3653         (tls_phdrs_script_test_DEPENDENCIES): Define.
3654         (tls_phdrs_script_test_LDFLAGS): Define.
3655         (tls_phdrs_script_test_LDADD): Define.
3656         * testsuite/Makefile.in: Rebuild.
3657
3658 2010-03-23  Cary Coutant  <ccoutant@google.com>
3659
3660         * fileread.cc (find_or_make_view): Fix comment.
3661
3662 2010-03-23  Ian Lance Taylor  <iant@google.com>
3663
3664         * script-sections.cc (class Orphan_section_placement): Define
3665         PLACE_TLS and PLACE_TLS_BSS.
3666         (Orphan_section_placement::Orphan_section_placement): Initialize
3667         new places.
3668         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3669         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3670         (tls_script_test_SOURCES): Define.
3671         (tls_script_test_DEPENDENCIES): Define.
3672         (tls_script_test_LDFLAGS): Define.
3673         (tls_script_test_LDADD): Define.
3674         * testsuite/Makefile.in: Rebuild.
3675
3676 2010-03-22  Doug Kwan  <dougkwan@google.com>
3677
3678         * arm.cc (Arm_relocate_functions::abs8,
3679         Arm_relocate_functions::abs16): Use correct check for overflow
3680         specified in the ARM ELF specs.
3681         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3682         target of a BLX instruction specially.
3683         (Reloc_stub::stub_type_for_reloc): Ditto.
3684         (Relocate::relocate): Use symbolic names instead of numeric relocation
3685         codes to report error.
3686         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3687         workaround.
3688         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3689         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3690         thumb2_blx_out_of_range.stdout
3691         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3692         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3693         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3694         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3695         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3696         thumb2_blx_in_range, thumb2_blx_in_range.o,
3697         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3698         thumb2_blx_out_of_range.o): New rules.
3699         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3700         thumb2_blx_in_range and thumb2_blx_out_of_range.
3701         * testsuite/Makefile.in: Regenerate.
3702         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3703         * testsuite/thumb_blx_in_range.s: New file.
3704         * testsuite/thumb_blx_out_of_range.s: New file.
3705
3706 2010-03-22  Rafael Espindola  <espindola@google.com>
3707
3708         * archive.cc (Should_include): Move to archive.h.
3709         (should_include_member): Make it a member of Archive.
3710         (Lib_group): New.
3711         (Add_lib_group_symbols): New.
3712         * archive.h: Include options.h.
3713         (Archive_member): Moved from Archive.
3714         (Should_include): Moved from archive.cc.
3715         (Lib_group): New.
3716         (Add_lib_group_symbols): New.
3717         * dynobj.cc (do_should_include_member): New.
3718         * dynobj.h (do_should_include_member): New.
3719         * gold.cc (queue_initial_tasks): Update call to queue.
3720         * main.cc (main): Print lib group stats.
3721         * object.cc (do_should_include_member): New.
3722         * object.h: Include archive.h.
3723         (Object::should_include_member): New.
3724         (Object::do_should_include_member): New.
3725         (Sized_relobj::do_should_include_member): New.
3726         * options.cc (General_options::parse_start_lib): New.
3727         (General_options::parse_end_lib): New.
3728         (Input_arguments::add_file): Handle lib groups.
3729         (Input_arguments::start_group): Check we are not in a lib.
3730         (Input_arguments::start_lib): New.
3731         (Input_arguments::end_lib): New.
3732         * options.h (General_options): Add start_lib and end_lib.
3733         (Input_argument::lib_): New.
3734         (Input_argument::lib): New.
3735         (Input_argument::is_lib): New.
3736         (Input_file_lib): New.
3737         (Input_arguments::in_lib_): New.
3738         (Input_arguments::in_lib): New.
3739         (Input_arguments::start_lib): New.
3740         (Input_arguments::end_lib_): New.
3741         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3742         in unused members as preempted.
3743         (Sized_pluginobj::do_should_include_member): New.
3744         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3745         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3746         return the blocker.
3747         (Read_symbols::do_whole_lib_group): New.
3748         (Read_symbols::do_lib_group): New.
3749         (Read_symbols::do_read_symbols): Handle lib groups.
3750         (Read_symbols::get_name): Handle lib groups.
3751         * readsyms.h (Read_symbols): Add an archive member pointer.
3752         (Read_symbols::do_whole_lib_group): New.
3753         (Read_symbols::do_lib_group): New.
3754         (Read_symbols::member_): New.
3755         * script.cc (read_input_script): Update call to queue_soon.
3756
3757 2010-03-19  Doug Kwan  <dougkwan@google.com>
3758
3759         * arm.cc (Stub_table::Stub_table): Initialize new data members
3760         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3761         (Stub_table::add_reloc_stub): Assign stub offset and update
3762         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3763         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3764         New data members.
3765         (Stub_table::update_data_size_and_addralign): Use
3766         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3767         instead of going over all reloc stubs.
3768         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3769         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3770         Stringpool_template::offset_ to size of Stringpool_char.
3771         (Stringpool_template::new_key_offset): Remove code to initialize
3772         Stringpool_template::offset_.
3773         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3774         Stringpool_template::offset_ to zero.
3775
3776 2010-03-15  Doug Kwan  <dougkwan@google.com>
3777
3778         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3779         offset_.
3780         (Stringpool_template::new_key_offset): New method.
3781         (Stringpool_template::add_string): Assign offsets when adding new
3782         strings.
3783         (Stringpool_template::set_string_offsets): Do not set string offsets
3784         when not optimizing.
3785         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3786         member size_.
3787         (Chunked_vector::clear): Clear size_.
3788         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3789         (Chunked_vector::size): Return size_.
3790         (Chunked_vector::push_back): Use size_ to find insert position.
3791         (Chunked_vector::size_): New data member.
3792         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3793         (Stringpool_template::new_key_offset): New method declaration.
3794         (Stringpool_template::offset_): New data member.
3795
3796 2010-03-15   Rafael Espindola  <espindola@google.com>
3797
3798         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3799         Add_symbols' constructor.
3800         * readsyms.h (Add_symbols): Remove the input_group member.
3801
3802 2010-03-10  Ian Lance Taylor  <iant@google.com>
3803
3804         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3805         target to ask whether a reference to a symbol requires a stack
3806         split.
3807         * target.h (Target::is_call_to_non_split): New function.
3808         (Target::do_is_call_to_non_split): Declare virtual function.
3809         * target.cc: Include "symtab.h".
3810         (Target::do_is_call_to_non_split): New function.
3811         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3812
3813 2010-03-10  Cary Coutant  <ccoutant@google.com>
3814
3815         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3816         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3817         (File_read::open[2]): Add whole_file_view_ to list of views.
3818         (File_read::make_view): Remove test of whole_file_view_.
3819         (File_read::find_or_make_view): Create whole_file_view_ if
3820         necessary.
3821         (File_read::clear_views): Replace bool parameter with enum;
3822         adjust all callers.  Don't delete views with permanent data;
3823         do delete cached views and views from archives if
3824         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3825         if clearing the corresponding view.
3826         * fileread.h (File_read::Clear_views_mode): New enum.
3827         (File_read::View::is_permanent_view): New method.
3828         (File_read::clear_views): Replace bool parameter
3829         with enum; adjust all callers.
3830         * options.h (General_options): Change keep_files_mapped option;
3831         add map_whole_files.
3832         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3833         releasing the file.
3834         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3835         the file.
3836
3837 2010-03-10  David S. Miller  <davem@davemloft.net>
3838
3839         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3840
3841 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3842
3843         * icf.cc (get_section_contents): Add '@' marker after processing the
3844         merge reloc.
3845
3846 2010-03-08  Doug Kwan  <dougkwan@google.com>
3847
3848         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3849         due to a conversion warning.
3850         (Arm_relobj::update_output_local_symbol_count): Check for local
3851         symbol with unset output index.
3852
3853 2010-03-05  Ian Lance Taylor  <iant@google.com>
3854
3855         * options.h (class General_options): Add --spare-dynamic-tags.
3856         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3857         --spare-dynamic-tags.
3858
3859 2010-03-05  Ian Lance Taylor  <iant@google.com>
3860
3861         * incremental.cc: Include "libiberty.h".
3862
3863 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3864
3865         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3866         function, is_info_ member.
3867         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3868         (Versions::Versions): Update caller.
3869         (Versions::define_base_version): Likewise.
3870         (Versions::add_def): Likewise.
3871
3872 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3873
3874         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3875         (Scan::possible_function_pointer_reloc): New function.
3876         (Scan::local_reloc_may_be_function_pointer): Change to call
3877         possible_function_pointer_reloc.
3878         (Scan::global_reloc_may_be_function_pointer): Ditto.
3879         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3880         relocations in ".data.rel.ro._ZTV" section.
3881         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3882         * testsuite/icf_safe_so_test.cc: Ditto.
3883         * testsuite/icf_safe_test.cc: Ditto.
3884         * testsuite/icf_safe_test.sh: Ditto.
3885
3886 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3887             Ian Lance Taylor  <iant@google.com>
3888
3889         * target-reloc.h (relocate_section): Check the symbol table index
3890         for -1U before setting the local symbol index.
3891         (scan_relocatable_relocs): If copying the relocation, record that
3892         the local symbol is required.
3893         * object.h (Symbol_value::is_output_symtab_index_set): New
3894         function.
3895         (Symbol_value::may_be_discarded_from_output_symtab): New
3896         function.
3897         (Symbol_value::has_output_symtab_entry): New function.
3898         (Symbol_value::needs_output_symtab_entry): Remove.
3899         (Symbol_value::output_symtab_index): Make sure the symbol index is
3900         set.
3901         (Symbol_value::set_output_symtab_index): Make sure the symbol
3902         index is not set.  Make sure the new index is valid.
3903         (Symbol_value::set_must_have_output_symtab_entry): New function.
3904         (Symbol_value::has_output_dynsym_entry): New function.
3905         (Symbol_value::set_output_dynsym_index): Make sure the new index
3906         is valid.
3907         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3908         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3909         local symbol if permitted.
3910         (Sized_relobj::do_finalize_local_symbols): Call
3911         is_output_symtab_index_set rather than needs_output_symtab_entry.
3912         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3913         rather than needs_output_symtab_entry.  Call
3914         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3915         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3916         is_output_symtab_index_set rather than needs_output_symtab_entry.
3917         * testsuite/discard_locals_relocatable_test.c: New file.
3918         * testsuite/discard_locals_test.sh: Test -r.
3919         * testsuite/Makefile.am (check_DATA): Add
3920         discard_locals_relocatable_test1.syms,
3921         discard_local_relocatable_test2.syms.
3922         (MOSTLYCLEANFILES): Likewise.  Also add
3923         discard_locals_relocatable_test1.lout and
3924         discard_locals_relocatable_test2.out.
3925         (discard_locals_relocatable_test1.syms): New target.
3926         (discard_locals_relocatable_test.o): New target.
3927         (discard_locals_relocatable_test1.out): New target.
3928         (discard_locals_relocatable_test2.syms): New target.
3929         (discard_locals_relocatable_test2.out): New target.
3930         (various): Add missing ../ld-new dependencies.
3931         * testsuite/Makefile.in: Rebuild.
3932
3933 2010-03-03  Nick Clifton  <nickc@redhat.com>
3934
3935         * po/fi.po: New Finnish translation.
3936
3937 2010-03-01  Doug Kwan  <dougkwan@google.com>
3938
3939         * layout.cc (Layout::Layout): Force section types of .init_array*,
3940         .preinit_array* and .fini_array* sections.
3941         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3942         Fix check of return value of std::string::find.().
3943         (Output_section::Input_section_sort_compare::operator()): Remove
3944         comment about .init_array.
3945         (Output_section::Input_section_sort_init_fini_compare::operator()):
3946         New method.
3947         (Output_section::sort_attached_input_sections): Handle .init_array
3948         and .fini_array specially.
3949         * output.h (Output_section::Inut_section_sort_compare): Update
3950         comment.
3951         (Output_section::Input_section_sort_init_fini_compare): New struct.
3952
3953 2010-02-26  Doug Kwan  <dougkwan@google.com>
3954
3955         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3956         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3957         * testsuite/debug_msg.sh: Avoid matching source line number for
3958         use of global variable undef_int.
3959
3960 2010-02-26  Doug Kwan  <dougkwan@google.com>
3961
3962         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3963         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3964         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3965         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3966         * options.cc (General_options::General_options): Initialize member
3967         fix_v4bx_.
3968         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3969         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3970         and rm_no_fix_v4bx.stdout
3971         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3972         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3973         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3974         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3975         and arm_no_fix_v4bx.
3976         * Makefile.in: Regenerate.
3977         * testsuite/arm_fix_v4bx.s: New file.
3978         * testsuite/arm_fix_v4bx.sh: Ditto.
3979
3980 2010-02-24  Doug Kwan  <dougkwan@google.com>
3981
3982         * arm.cc (Target_arm::got_section): Make the .got section the first
3983         non RELRO section in the data segment.
3984         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3985         suffixes of section names.
3986
3987 2010-02-24  Doug Kwan  <dougkwan@google.com>
3988
3989         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3990         flags and attributes merging if an input file is a binary file.
3991         * fileread.cc (Input_file::open): Record format of original file.
3992         * fileread.h (Input_file::Format): New enum type.
3993         (Input_file::Input_file): Initialize data member format_.
3994         (Input_file::format): New method definition.
3995         (Input_file::format_):: New data member.
3996
3997 2010-02-24  Doug Kwan  <dougkwan@google.com>
3998
3999         * arm.cc (Arm_output_data_got): New class.
4000         (ARM_TCB_SIZE): New constant
4001         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4002         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4003         If user uses a script with a SECTIONS clause, issue only a warning
4004         for a misplaced EXIDX input section.  Otherwise, issue an error.
4005         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4006         garbage collection.
4007         (Target_arm::got_mode_index_entry): Handle static linking.
4008         (Target_arm::Scan::local): Ditto.
4009         (Target_arm::Scan::global): Ditto.
4010         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4011         all incorrectly implemented relocations.
4012         (Target_arm::fix_exidx_coverage): Pass layout to
4013         Arm_output_section::fix_exidx_coverage.
4014         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4015         from ".ARM.exidx." and ".ARM.extab.".
4016
4017 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4018
4019         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4020         section if it does not already exist.
4021         * attributes.cc (Attributes_section_data::Attributes_section_data):
4022         Don't crash if size is zero.
4023
4024 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4025             Ian Lance Taylor  <iant@google.com>
4026
4027         * gold.cc (queue_middle_tasks): If no input files were opened,
4028         exit.
4029         * workqueue.h (Task_function::Task_function): Assert that there is
4030         a blocker.
4031
4032 2010-02-22  Doug Kwan  <dougkwan@google.com>
4033
4034         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4035         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4036         types to avoid warnings due to different uint64_t implementations
4037         on different hosts.
4038
4039 2010-02-21  Doug Kwan  <dougkwan@google.com>
4040
4041         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4042         handling of the maximum backward branch offset.
4043         (Arm_relocate_functions::thumb_branch_common): Ditto.
4044         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4045         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4046         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4047         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4048         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4049         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4050         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4051         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4052         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4053         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4054         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4055         thumb2_bl_out_of_range.o): New rules.
4056         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4057         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4058         thumb2_bl_out_of_range
4059         * testsuite/Makefile.in: Regenerate.
4060         * testsuite/arm_bl_in_range.s: New file.
4061         * testsuite/arm_bl_out_of_range.s: Ditto.
4062         * testsuite/arm_branch_in_range.sh: Ditto.
4063         * testsuite/arm_branch_range.t: Ditto.
4064         * testsuite/thumb2_branch_range.t: Ditto.
4065         * testsuite/thumb_bl_in_range.s: Ditto.
4066         * testsuite/thumb_bl_out_of_range.s: Ditto.
4067         * testsuite/thumb_branch_range.t: Ditto.
4068
4069 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4070
4071         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4072         Add reloc offset information.
4073         * icf.cc (get_section_contents): Change iterators to point to the new
4074         vectors. Add reloc offset information to the contents.
4075         * icf.h (Icf::Sections_reachable_info): New typedef.
4076         (Icf::Sections_reachable_list): New typedef.
4077         (Icf::Offset_info): New typedef.
4078         (Icf::Reloc_info): New struct typedef.
4079         (Icf::Reloc_info_list): New typedef.
4080         (Icf::symbol_reloc_list): Delete method.
4081         (Icf::addend_reloc_list): Delete method.
4082         (Icf::section_reloc_list): Delete method.
4083         (Icf::reloc_info_list): New method.
4084         (Icf::reloc_info_list_): New member.
4085
4086 2010-02-19  Doug Kwan  <dougkwan@google.com>
4087
4088         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4089         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4090         * arm.cc (Arm_relocation_functions): New forward declaration.
4091         (Target_arm::Target_arm): Initialize new data members
4092         got_mod_index_offset_ and tls_base_symbol_defined_.
4093         (Target_arm::Relocate::relocate_tls): New method.
4094         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4095          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4096         New methods.
4097         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4098         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4099         (Target_arm::got_mod_index_offset_,
4100         Target_arm::tls_base_symbol_defined_): New data members.
4101         (Target_arm::Scan::local, Target::Scan::global,
4102         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4103         relocations.
4104
4105 2010-02-18  Doug Kwan  <dougkwan@google.com>
4106
4107         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4108         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4109         text section as a parameter becuase some broken tools may not set
4110         the link in section header.
4111         (Target_arm::has_got_section): New method.
4112         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4113         without any mapping symbol as data only.  Remove warning.
4114         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4115         link in its section header, try to discover the link by inspecting the
4116         REL31 relocation at the beginning of the section.
4117         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4118         in error message.
4119         (Target_arm::Scan::global): Treat any reference to the symbol
4120         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4121
4122 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4123
4124         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4125         (Scan::global_reloc_may_be_function_pointer): New function.
4126         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4127         (Scan::global_reloc_may_be_function_pointer): New function.
4128         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4129         (Scan::global_reloc_may_be_function_pointer): New function.
4130         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4131         (Scan::global_reloc_may_be_function_pointer): New function.
4132         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4133         (Scan::global_reloc_may_be_function_pointer): New function.
4134         (Scan::possible_function_pointer_reloc): New function.
4135         (Target_x86_64::can_check_for_function_pointers): New function.
4136         * gc.h (gc_process_relocs): Scan relocation types to determine if
4137         function pointers were taken for targets that support it.
4138         * icf.cc (Icf::find_identical_sections): Include functions for
4139         folding in safe ICF whose pointer is not taken.
4140         * icf.h (Secn_fptr_taken_set): New typedef.
4141         (fptr_section_id_): New member.
4142         (section_has_function_pointers): New function.
4143         (set_section_has_function_pointers): New function.
4144         (check_section_for_function_pointers): New function.
4145         * options.h: Fix comment for safe ICF option.
4146         * target.h (can_check_for_function_pointers): New function.
4147         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4148         Modify icf_safe_test for X86-64.
4149         * testsuite/Makefile.in: Regenerate.
4150         * testsuite/icf_safe_so_test.cc: New file.
4151         * testsuite/icf_safe_so_test.sh: New file.
4152         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4153         (main): Change to take pointer to function kept_func_3.
4154         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4155         folding is done correctly for X86-64.
4156
4157 2010-02-12  David S. Miller  <davem@davemloft.net>
4158
4159         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4160         is_symbolless parameter.
4161         (Output_reloc<SHT_REL>::is_symbolless): New.
4162         (Output_reloc<SHT_REL>::is_symbolless_): New.
4163         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4164         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4165         (Output_reloc<SHT_RELA>::is_symbolless): New.
4166         (Output_data_reloc::add_global): Handle is_symbolless.
4167         (Output_data_reloc::add_global_relative): Likewise.
4168         (Output_data_reloc::add_local): Likewise.
4169         (Output_data_reloc::add_local_relative): Likewise.
4170         (Output_data_reloc::add_symbolless_global_addend): New.
4171         (Output_data_reloc::add_symbolless_local_addend): New.
4172         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4173         is_symbolless.
4174         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4175         instead of ->is_relative_
4176         (Output_reloc::write): Likewise.
4177         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4178         (Output_reloc::write_rel): Simplify.
4179
4180         * sparc.cc (Target_sparc::Scan::local): Use
4181         ->add_symbolless_local_addend as needed.
4182         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4183         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4184         based upon relocation offset.
4185
4186 2010-02-11  Doug Kwan  <dougkwan@google.com>
4187
4188         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4189         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4190         beginning of function.
4191         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4192         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4193         parameter is_32bit in calls to should_apply_static_reloc.
4194         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4195         (check_DATA): Add arm_abs_global.stdout.
4196         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4197         arm_abs_global.stdout): New rules.
4198         (MOSTLLYCLEANFILES): Add arm_abs_global
4199         * Makefile.in: Regenerate.
4200         * testsuite/arm_abs_global.s: New file.
4201         * testsuite/arm_abs_global.sh: Ditto.
4202         * testsuite/arm_abs_lib.s: Ditto.
4203
4204 2010-02-11  Ian Lance Taylor  <iant@google.com>
4205
4206         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4207         Read_relocs task.
4208         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4209         Allocate_commons_task first.
4210         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4211         task, rather than symtab_lock_.
4212         (Gc_process_relocs::~Gc_process_relocs): New function.
4213         (Gc_process_relocs::is_runnable): Check this_blocker_.
4214         (Gc_process_relocs::locks): Use next_blocker_ rather than
4215         blocker_.
4216         (Scan_relocs::~Scan_relocs): New function.
4217         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4218         symtab_lock_.
4219         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4220         next_blocker_.
4221         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4222         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4223         constructor accordingly.
4224         (class Gc_process_relocs): Likewise.
4225         (class Scan_relocs): Likewise.
4226         * common.h (class Allocate_commons_task): Remove symtab_lock_
4227         field, and corresponding constructor parameter.
4228         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4229         symtab_lock_.
4230         (Allocate_commons_task::locks): Likewise.
4231
4232 2010-02-11  Ian Lance Taylor  <iant@google.com>
4233
4234         * gold-threads.h (class Once): Define.
4235         (class Initialize_lock): Rewrite as child of Once.
4236         * gold-threads.cc (class Once_initialize): Define.
4237         (once_pointer_control): New static variable.
4238         (once_pointer, once_arg): New static variables.
4239         (c_run_once): New static function.
4240         (Once::Once, Once::run_once, Once::internal_run): New functions.
4241         (class Initialize_lock_once): Remove.
4242         (initialize_lock_control): Remove.
4243         (initialize_lock_pointer): Remove.
4244         (initialize_lock_once): Remove.
4245         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4246         (Initialize_lock::initialize): Rewrite.
4247         (Initialize_lock::do_run_once): New function.
4248         * archive.cc (Archive::interpret_header): Only clear name if it is
4249         not already empty.
4250         * fileread.cc: Include "gold-threads.h"
4251         (file_counts_lock): New static variable.
4252         (file_counts_initialize_lock): Likewise.
4253         (File_read::release): Only increment counts when using --stats.
4254         Use a lock around the increment.
4255         * parameters.cc (class Set_parameters_target_once): Define.
4256         (set_parameters_target_once): New static variable.
4257         (Parameters::Parameters): Move here from parameters.h.
4258         (Parameters::set_target): Rewrite.
4259         (Parameters::set_target_once): New function.
4260         (Parameters::clear_target): Move here and rewrite.
4261         * parameters.h (class Parameters): Update declarations.  Add
4262         set_parameters_target_once_ field.
4263         (Parameters::Parameters): Move to parameters.cc.
4264         (Parameters::clear_target): Likewise.
4265         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4266         task.
4267         (Start_group::~Start_group): New function.
4268         (Start_group::is_runnable): New function.
4269         (Start_group::locks, Start_group::run): New functions.
4270         (Finish_group::run): Change saw_undefined to size_t.
4271         * readsyms.h (class Start_group): Define.
4272         (class Finish_group): Change saw_undefined_ field to size_t.
4273         (Finish_group::Finish_group): Remove saw_undefined and
4274         this_blocker parameters.  Change all callers.
4275         (Finish_group::set_saw_undefined): New function.
4276         (Finish_group::set_blocker): New function.
4277         * symtab.h (class Symbol_table): Change saw_undefined to return
4278         size_t.  Change saw_undefined_ field to size_t.
4279         * target-select.cc (Set_target_once::do_run_once): New function.
4280         (Target_selector::Target_selector): Initialize set_target_once_
4281         field.  Don't initialize lock_ and initialize_lock_ fields.
4282         (Target_selector::instantiate_target): Rewrite.
4283         (Target_selector::set_target): New function.
4284         * target-select.h (class Set_target_once): Define.
4285         (class Target_selector): Update declarations.  Make
4286         Set_target_once a friend.  Remove lock_ and initialize_lock_
4287         fields.  Add set_target_once_ field.
4288
4289 2010-02-10  Ian Lance Taylor  <iant@google.com>
4290
4291         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4292         queueing any tasks.
4293         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4294         (queue_middle_tasks): Add all blockers before queueing any tasks.
4295         (queue_final_tasks): Likewise.
4296         * token.h (Task_token::add_blockers): New function.
4297         * object.h (Input_objects::number_of_relobjs): New function.
4298
4299 2010-02-10  Ian Lance Taylor  <iant@google.com>
4300
4301         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4302         shared, not if not position independent.
4303         * x86_64.cc (Relocate::relocate_tls): Likewise.
4304         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4305         (tls_pie_pic_test): New target.
4306         * testsuite/Makefile.in: Rebuild.
4307
4308         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4309         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4310         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4311         * testsuite/Makefile.in: Rebuild.
4312
4313 2010-02-09  David S. Miller  <davem@davemloft.net>
4314
4315         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4316         R_SPARC_RELATIVE using ->add_local_relative().
4317         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4318
4319         * output.h (Output_data_dynamic::add_section_size): New method
4320         that takes two Output_data objects.
4321         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4322         entry param.  Handle it in initializers.
4323         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4324         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4325         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4326         arg.
4327         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4328         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4329         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4330         for dynrel_includes_plt.
4331         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4332         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4333         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4334         before .rela.plt
4335         (Target_sparc::do_finalize_sections): Update to pass true for
4336         dynrel_includes_plt.
4337         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4338         output before .rela.plt
4339         (Target_powerpc::do_finalize_sections): Update to pass true for
4340         dynrel_includes_plt when 32-bit.
4341
4342 2010-02-08  Doug Kwan  <dougkwan@google.com>
4343
4344         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4345         method.
4346         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4347         Arm_relobj::scan_section_for_cortex_a8_stubs,
4348         Arm_relobj::do_relocation_section): Instead of calling
4349         Output_section::output_address, use faster
4350         Arm_relobj::simple_input_section_output_address.
4351
4352 2010-02-08  David S. Miller  <davem@davemloft.net>
4353
4354         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4355         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4356         relocation helper function.
4357
4358         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4359         just like R_SPARC_GOT{10,13,22}.
4360         (Target_sparc::Scan::local): Likewise.
4361         (Target_sparc::Relocate:relocate): Likewise.
4362
4363 2010-02-06  Ian Lance Taylor  <iant@google.com>
4364
4365         * configure.ac: Rewrite targetobjs duplicate removal code to use
4366         only shell constructs.
4367         * configure: Rebuild.
4368
4369 2010-02-05  Doug Kwan  <dougkwan@google.com>
4370
4371         PR 11247
4372         * arm.cc (Arm_relobj::section_is_scannable): New method.
4373         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4374         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4375
4376 2010-02-04  Doug Kwan  <dougkwan@google.com>
4377
4378         PR 11247
4379         * arm-reloc-property.cc (cstdio): Include.
4380         * configure.ac (targetobjs): Remove duplicates.
4381         * configure: Regenerate.
4382         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4383         big and little endian version for a given address size.
4384
4385 2010-02-03  Doug Kwan  <dougkwan@google.com>
4386
4387         * arm-reloc-property.cc
4388         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4389         definition.
4390         * arm-reloc-property.h
4391         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4392         New method definition.
4393         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4394         declaration.
4395         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4396         overflow to N.
4397         (GOT_PREL): Change implemented to Y.
4398         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4399         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4400         (Arm_relocate_functions::movw_abs_nc): Remove method.
4401         (Arm_relocate_functions::movt_abs): Ditto.
4402         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4403         (Arm_relocate_functions::thm_movt_abs): Ditto.
4404         (Arm_relocate_functions::movw_rel_nc): Ditto.
4405         (Arm_relocate_functions::movw_rel): Ditto.
4406         (Arm_relocate_functions::movt_rel): Ditto.
4407         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4408         (Arm_relocate_functions:thm_movw_rel): Ditto.
4409         (Arm_relocate_functions:thm_movt_rel): Ditto.
4410         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4411         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4412         New method definitions.
4413         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4414         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4415         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4416         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4417         (Target_arm::Relocate::relocate): Check for non-static or
4418         unimplemented relocation code and exit early.  Change calls to
4419         Target_arm::reloc_uses_thumb_bit and
4420         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4421         instead.  Refactor code to handle similar relocations to increase
4422         code sharing.  Remove check for unsupported relocation code in switch
4423         statement.
4424         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4425         relocation property table to find out size.  Change error message to
4426         print out the name of a relocation code instead of the numeric value.
4427         (Target_arm::scan_reloc_for_stub): Use relocation property table
4428         instead of calling Target_arm::reloc_uses_thumb_bit().
4429
4430 2010-02-02  Doug Kwan  <dougkwan@google.com>
4431
4432         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4433         types of relaxed input section.
4434
4435 2010-02-02  Doug Kwan  <dougkwan@google.com>
4436
4437         * Makefile.am (HFILES): Add arm-reloc-property.h.
4438         (DEFFILES): New.
4439         (TARGETSOURCES): Add arm-reloc-property.cc
4440         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4441         (libgold_a_SOURCES): $(DEFFILES)
4442         * Makefile.in: Regenerate.
4443         * arm-reloc-property.cc: New file.
4444         * arm-reloc-property.h: New file.
4445         * arm-reloc.def: New file.
4446         * arm.cc: Update comments.
4447         (arm-reloc-property.h): New included header.
4448         (arm_reloc_property_table): New global variable.
4449         (Target_arm::do_select_as_default_target): New method definition.
4450         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4451         arm-reloc-property to targ_extra_obj.
4452         * parameters.cc (set_parameters_target): Call
4453         Target::select_as_default_target().
4454         * target.h (Target::select_as_default_target): New method definition.
4455         (Target::do_select_as_default_target): Same.
4456
4457 2010-02-01  Doug Kwan  <dougkwan@google.com>
4458
4459         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4460         first_output_text_section_.
4461         (Arm_exidx_fixup::first_output_text_section): New method definition.
4462         (Arm_exidx_fixup::first_output_text_section_): New data member.
4463         (Arm_exidx_fixup::process_exidx_section): Record the first text
4464         output section seen.
4465         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4466         and entsize in output section header.
4467
4468 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4469
4470         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4471         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4472         (Arm_relocate_functions::thm_alu11): New Method.
4473         (Arm_relocate_functions::thm_pc8): New Method.
4474         (Arm_relocate_functions::thm_pc12): New Method.
4475         (Target_arm::Scan::local): Handle the relocations.
4476         (Target_arm::Scan::global): Likewise.
4477         (Target_arm::Relocate::relocate): Likewise.
4478         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4479
4480 2010-01-29  Doug Kwan  <dougkwan@google.com>
4481
4482         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4483         of relocation types as ld.
4484
4485 2010-01-29  Doug Kwan  <dougkwan@google.com>
4486
4487         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4488         to public.
4489         (Arm_relocate_functions::thumb_branch_common): Ditto.
4490         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4491         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4492         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4493         Arm_relocate_functions::jump24): Remove.
4494         (Target_arm::Relocate::relocate): Adjust code to call
4495         Arm_relocation_functions::arm_branch_common and
4496         Arm_relocation_functions::thumb_branch_common instead of their removed
4497         wrappers.  Merge switch-cases together to reduce source code size.
4498
4499 2010-01-29  Doug Kwan  <dougkwan@google.com>
4500
4501         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4502         output_local_symbol_count_needs_update_.
4503         (Arm_relobj::output_local_symbol_count_needs_update,
4504          Arm_relobj::set_output_local_symbol_count_needs_update,
4505          Arm_relobj::update_output_local_symbol_count): New methods.
4506         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4507         member.
4508         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4509         of pointed function as in a R_ARM_PREL31 relocation.
4510         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4511         for output local symbol count updating.
4512         (Target_arm::do_relax): Update output local symbol counts in objects
4513         if necessary.
4514         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4515
4516 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4517
4518         * arm.cc: Added support for the ARM relocations:
4519         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4520         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4521         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4522         movw_prel_nc).
4523         (Arm_relocate_functions::movw_rel): New method.
4524         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4525         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4526         thm_movw_prel_nc).
4527         (Arm_relocate_functions::thm_movw_rel): New method.
4528         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4529         thm_movt_prel).
4530         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4531         relocations.
4532         (Target_arm::Scan::global): Likewise.
4533         (Target_arm::Relocate::relocate): Likewise.
4534         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4535         Likewise.
4536
4537 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4538
4539         * arm.cc: Added support for ARM group relocations.
4540         (Target_arm::reloc_needs_sym_origin): New method.
4541         (Arm_relocate_functions::calc_grp_kn): New method.
4542         (Arm_relocate_functions::calc_grp_residual): New method.
4543         (Arm_relocate_functions::calc_grp_gn): New method.
4544         (Arm_relocate_functions::arm_grp_alu): New Method.
4545         (Arm_relocate_functions::arm_grp_ldr): New Method.
4546         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4547         (Arm_relocate_functions::arm_grp_ldc): New Method.
4548         (Target_arm::Scan::local): Handle the ARM group relocations.
4549         (Target_arm::Scan::global): Likewise.
4550         (Target_arm::Relocate::relocate): Likewise.
4551         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4552         Likewise.
4553
4554 2010-01-26  Doug Kwan  <dougkwan@google.com>
4555
4556         * arm.cc (set): Include.
4557         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4558         pointer type.
4559         (Arm_output_section::Text_section_list): New type.
4560         (Arm_output_section::append_text_sections_to_list): New method.
4561         (Arm_output_section::fix_exidx_coverage): Ditto.
4562         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4563         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4564         Relobj::set_section_offset() instead of
4565         Sized_relobj::invalidate_section_offset().
4566         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4567         parameter for section headers. Ignore relocation sections for
4568         unallocated sections and EXIDX sections.
4569         (Target_arm::fix_exidx_coverage): New method.
4570         (Target_arm::output_section_address_less_than): New type.
4571         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4572         linked text section instead of the EXIDX section.
4573         (Arm_output_section::create_stub_group): Add an assertion to check
4574         that this is not an EXIDX output section.
4575         (Arm_output_section::append_text_sections_to_list): New method.
4576         (Arm_output_section::fix_exidx_coverage): Ditto.
4577         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4578         Arm_relobj::section_needs_reloc_stub_scanning.
4579         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4580         first pass.
4581         (Target_arm::fix_exidx_coverage): New method.
4582         * object.h (Relobj::set_output_section): New method.
4583         (Sized_relobj::invalidate_section_offset): Remove method.
4584         (Sized_relobj::do_invalidate_section_offset): Remove method.
4585         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4586
4587 2010-01-25  Doug Kwan  <dougkwan@google.com>
4588
4589         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4590         Fix warning due to signed and unsigned comparison on a 32-bit host.
4591
4592 2010-01-22  Doug Kwan  <dougkwan@google.com>
4593
4594         * arm.cc (Target_arm::do_relax): Record an output section for section
4595         offset adjustment it contains any stub table that has changed.
4596         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4597         offsets in an output section if necessary.
4598         * output.cc (Output_section::Output_section): Initialize
4599         section_offsets_need_adjustments_.
4600         (Output_section::add_input_section_for_script): Renamed to
4601         Output_section::add_simple_input_section.
4602         (Output_section::save_states): Add a comment.
4603         (Output_section::discard_states): New method defintion.
4604         (Output_section::adjust_section_offsets): Same.
4605         * output.h (Output_section::add_input_section_for_script): Renamed to
4606         Output_section::add_simple_input_section.
4607         (Output_section::discard_states): New method declaration.
4608         (Output_section::adjust_section_offsets): Same.
4609         (Output_section::section_offsets_need_adjustment,
4610         Output_section::set_section_offsets_need_adjustment): New method
4611         definitions.
4612         (Output_section::section_offsets_need_adjustment_): New data member.
4613         * script-sections.cc
4614         (Output_section_element_input::set_section_address): Adjust code for
4615         renaming of Output_section::add_input_section_for_script.
4616         (Orphan_output_section::set_section_address): Same.
4617
4618 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4619
4620         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4621         Fix_v4bx enum values .
4622         * gold/options.h (General_options): New option definitions.
4623         (General_options::fix_v4bx): New method.
4624         (General_options::Fix_v4bx): New enum.
4625         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4626         (General_options::parse_fix_v4bx_interworking): New method.
4627
4628 2010-01-22  Doug Kwan  <dougkwan@google.com>
4629
4630         * arm.cc (Arm_exidx_fixup): New class.
4631
4632 2010-01-21  Doug Kwan  <dougkwan@google.com>
4633
4634         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4635         classes.
4636         (Arm_exidx_section_offset_map): New type.
4637
4638 2010-01-21  Doug Kwan  <dougkwan@google.com>
4639
4640         * arm.cc (Arm_exidx_input_section): New class.
4641         (Arm_relobj::exidx_input_section_by_link,
4642         Arm_relobj::exidx_input_section_by_shndx,
4643         Arm_relobj::make_exidx_input_section): New methods.
4644         (read_arm_attributes_section): Remove.
4645         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4646         information about them.
4647         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4648         to here.
4649
4650 2010-01-20  Doug Kwan  <dougkwan@google.com>
4651
4652         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4653         Input_section_specifier to Section_id.
4654         (Target_arm::new_arm_input_section: Adjust code for change of key
4655         type.
4656         (Target_arm::find_arm_input_section): Ditto.
4657         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4658         (Section_id): Remove.
4659         (Garbage_collection::Section_id_hash): Remove.
4660         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4661         (Section_id): Remove.
4662         (Icf::Section_id_hash): Remove.
4663         * object.h (Section_id, Const_section_id, Section_id_hash,
4664         Const_section_id_hash): New type definitions.
4665         * output.cc (Output_section::add_relaxed_input_section): Change to
4666         use Const_section_id instead of Input_section_specifier as key type.
4667         (Output_section::add_merge_input_section): Ditto.
4668         (Output_section::build_relaxation_map): Change to use Section_id
4669         instead of Input_section_specifier as key type.
4670         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4671         Ditto.
4672         (Output_section::convert_input_sections_to_relaxed_sections): Change
4673         to use Const_section_id instead of Input_section_specifier as key type.
4674         (Output_section::find_merge_section): Ditto.
4675         (Output_section::find_relaxed_input_section): Ditto.
4676         * output.h (Input_section_specifier): Remove class.
4677         (Output_section::Output_section_data_by_input_section_map): Change
4678         key type to Const_section_id.
4679         (Output_section::Output_relaxed_input_section_by_input_section_map):
4680         Ditto.
4681         (Output_section::Relaxation_map): Change key type to Section_id.
4682
4683 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4684
4685         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4686         (class Arm_v4bx_stub): New class.
4687         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4688         (Stub_factory::make_arm_v4bx_stub): New method.
4689         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4690         (Stub_table::empty): Handle v4bx stubs.
4691         (Stub_table::add_arm_v4bx_stub): New method.
4692         (Stub_table::find_arm_v4bx_stub): New method.
4693         (Arm_relocate_functions::v4bx): New method.
4694         (Target_arm::fix_v4bx): New method.
4695         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4696         (Stub_table::relocate_stubs): Likewise.
4697         (Stub_table::do_write): Likewise.
4698         (Stub_table::update_data_size_and_addralign): Likewise.
4699         (Stub_table::finalize_stubs):  Likewise.
4700         (Target_arm::Scan::local): Likewise.
4701         (Target_arm::Scan::global): Likewise.
4702         (Target_arm::do_finalize_sections): Likewise.
4703         (Target_arm::Relocate::relocate): Likewise.
4704         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4705         Likewise.
4706         (Target_arm::scan_reloc_for_stub): Likewise.
4707         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4708
4709 2010-01-19  Ian Lance Taylor  <iant@google.com>
4710
4711         * output.cc (Output_section_headers::do_sized_write): Write large
4712         segment count to sh_info field.
4713         (Output_file_header::do_sized_write): For large segment count,
4714         write PN_XNUM to e_phnum field.
4715
4716 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4717
4718         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4719         (Arm_relocate_functions::thm_jump8): New function.
4720         (Arm_relocate_functions::thm_jump11): New function.
4721         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4722         R_ARM_THM_JUMP11.
4723         (Target_arm::Scan::global): Likewise.
4724         (Target_arm::Relocate::relocate): Likewise.
4725         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4726         Likewise.
4727
4728 2010-01-14  Doug Kwan  <dougkwan@google.com>
4729
4730         * arm.cc (map, utility): Include headers.
4731         (Target_arm::apply_cortex_a8_workaround): New method.
4732         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4733         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4734         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4735         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4736         the --[no-]fix-cortex-a8 command line options.
4737         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4738         (Target_arm::relocate_stub): Use addend in instruction template.
4739         * options.h (DEFINE_bool): Set the user-set flag.
4740         (General_options): Add --[no-]-fix-cortex options.
4741         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4742         : Update fast look-up map after conversion.
4743
4744 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4745
4746         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4747         in the first pass of do_layout.
4748
4749 2010-01-13  Doug Kwan  <dougkwan@google.com>
4750
4751         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4752         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4753         apparent compiler problem of not folding static constant integral
4754         data members of elfcpp::Elf_sizes<32>.
4755
4756 2010-01-13  Doug Kwan  <dougkwan@google.com>
4757
4758         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4759         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4760         Arm_relobj::scan_section_for_cortex_a8_erratum,
4761         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4762         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4763         sections to scan for relocation stubs into a new method
4764         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4765         relocation and Cortex-A8 stub scanning.
4766         (Target_arm::do_relax): Force stubs to be after stubbed sections
4767         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4768         the beginning of a new relaxation pass.  Update a comment.
4769         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4770
4771 2010-01-12  Ian Lance Taylor  <iant@google.com>
4772
4773         * target-reloc.h (visibility_error): New inline function.
4774         (relocate_section): Call visibility_error.
4775         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4776         (MOSTLYCLEANFILES): Likewise.
4777         (protected_4_pic.o, protected_3.err): New targets.
4778         * testsuite/protected_4.cc: New file.
4779
4780 2010-01-12  Doug Kwan  <dougkwan@google.com>
4781
4782         * arm.cc (Cortex_a8_reloc): New class.
4783         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4784         and cortex_a8_relocs_info_.
4785         (Target_arm::fix_cortex_a8): New method definition.
4786         (Target_arm::Cortex_a8_relocs_info): New type.
4787         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4788         New data member declarations.
4789         (Target_arm::scan_reloc_for_stub): Record information about
4790         relocations for THUMB branches that might be exempted from the
4791         Cortex-A8 workaround.
4792         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4793         at the beginning of a relaxation pass.
4794
4795 2010-01-12  Doug Kwan  <dougkwan@google.com>
4796
4797         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4798         (Arm_relobj::Mapping_symbol_position,
4799          Arm_reloj::Mapping_symbol_position_less,
4800          Arm_relobj::Mapping_symbols_info): New types.
4801         (Target_arm::is_mapping_symbol_name): New method definition.
4802         (Arm_relobj::do_count_local_symbols): Save information about mapping
4803         symbols.
4804
4805 2010-01-11  Doug Kwan  <dougkwan@google.com>
4806
4807         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4808         Arm_relocate_functions::thumb32_branch_upper,
4809         Arm_relocate_functions::thumb32_branch_lower,
4810         Arm_relocate_functions::thumb32_cond_branch_offset,
4811         Arm_relocate_functions::thumb32_cond_branch_upper,
4812         Arm_relocate_functions::thumb32_cond_branch_lower,
4813         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4814         branch offset encoding.
4815         (Arm_relocate_functions::thumb_branch_common): Use new branch
4816         offset encoding methods to avoid code duplication.
4817         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4818         (Stub_addend_reader::operator()): Use new branch encoding method
4819         to avoid code duplication.
4820
4821 2010-01-11  Doug Kwan  <dougkwan@google.com>
4822
4823         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4824         (Target_arm::do_finalize_sections): Define special EXIDX section
4825         symbols only if referenced.
4826         * gc.h (Garbage_collection::add_reference): New method.
4827         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4828         code duplication.
4829
4830 2010-01-11  Ian Lance Taylor  <iant@google.com>
4831
4832         * script.cc (Version_script_info::build_expression_list_lookup):
4833         Change complaing about duplicate wildcard match from error to
4834         warning.
4835
4836         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4837         of 2009-12-30.
4838         (Version_script_info::Version_script_info): Initialize globs_,
4839         default_version_, default_is_global_, and exact_.  Don't
4840         initialize globals_ or locals_.
4841         (Version_script_info::build_lookup_tables): Build local symbols
4842         first.
4843         (Version_script_info::unquote): New function.
4844         (Version_script_info::add_exact_match): New function.
4845         (Version_script_info::build_expression_list_lookup): Remove lookup
4846         parameter.  Add is_global parameter.  Change all callers.  Handle
4847         wildcard pattern specially.  Unquote pattern.  Call
4848         add_exact_match.
4849         (Version_script_info::get_name_to_match): New function.
4850         (Version_script_info::get_symbol_version): New function.
4851         (Version_script_info::get_symbol_version_helper): Remove.
4852         (Version_script_info::check_unmatched_names): Call unquote.
4853         * script.h (class Version_script_info): Change get_symbol_version
4854         to be non-inline and add is_global parameter; change all callers.
4855         Rewrite symbol_is_local.  Update declarations.  Define struct
4856         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4857         Remove globals_ and locals_ members.  Add exact_, globs_,
4858         default_version_, is_global_.
4859         (Version_script_info::Glob): Remove pattern, add expression and
4860         is_global.  Update constructor.  Change all callers.
4861         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4862         default version.
4863         (Versions::symbol_section_contents): If a symbol is undefined, or
4864         defined in a dynamic object, set the version index to
4865         VER_NDX_LOCAL.
4866         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4867         symbol_is_local.
4868         (Symbol_table::add_from_pluginobj): Likewise.
4869         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4870
4871 2010-01-11  Doug Kwan  <dougkwan@google.com>
4872
4873         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4874         (incremental_dump_LDADD): Add linking option for libintl.
4875         * Makefile.in: Regenerate.
4876
4877 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4878
4879         PR gold/11144
4880         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4881         instead of -Ds.
4882         * testsuite/Makefile.in: Regenerated.
4883
4884 2010-01-10  Doug Kwan  <dougkwan@google.com>
4885
4886         * options.h (DEFINE_var): Use parentheses around argument varname__
4887         in macro body to avoid any unintended subsequent substitutions.
4888
4889 2010-01-10  Ian Lance Taylor  <iant@google.com>
4890
4891         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4892         candidates before doing symbol resolution.
4893
4894         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4895         ODR candidates if only one is weak.
4896
4897 2010-01-08  Ian Lance Taylor  <iant@google.com>
4898
4899         * script.cc (Version_script_info::build_expression_list_lookup):
4900         Don't warn about ambiguous version, just record the ambiguity.
4901         (Version_script_info::get_symbol_version_helper): Give error if
4902         version is ambiguous.
4903
4904 2010-01-08  Doug Kwan  <dougkwan@google.com>
4905
4906         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4907           prev_data_size_ and prev_addralign_.  Remove initializer for
4908           deleted data member has_been_changed_.
4909           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4910           to determine if the table is empty.
4911           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4912           Remove.
4913           (Stub_table::add_reloc_stub): Define method in class definition
4914           instead of just declaring it there.
4915           (Stub_table::add_cortex_a8_stub): New method definition.
4916           (Stub_table::update_data_size_and_addralign): Ditto.
4917           (Stub_table::finalize_stubs): Ditto.
4918           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4919           (Stub_table::do_addralign_): Return address alignment in the
4920           (Stub_table::do_reset_address_and_file_offset): Define method in
4921           class definition instead of declaring it there.  Set current data
4922           size to be the data size of the previous pass.
4923           (Stub_table::set_final_data_size): Use current data size as the
4924           final data size.
4925           (Stub_table::relocate_stub): Change parameter type of stub from
4926           Reloc_stub pointer to Stub pointer.
4927           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4928           (Stub_table::Cortex_a8_stub_list): New typedef.
4929           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4930            Stub_table::prev_addralign_): New data member.
4931           (Arm_relobj::Arm_relobj): Initialize data member
4932           section_has_cortex_a8_workaround_.
4933           (Arm_relobj::section_has_cortex_a8_workaround,
4934            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4935            definitions.
4936           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4937           declarations.
4938           (Target_arm::relocate_stub): Change parameter type of stub from
4939           Reloc_stub pointer to Stub pointer.
4940           (Insn_template::size, Insn_template::alignment): Handle
4941           THUMB16_SPECIAL_TYPE.
4942           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4943            Stub_table::update_data_size_and_addralign,
4944            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4945           definitions.
4946           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4947           (Stub_table::do_write): Ditto.
4948           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4949
4950 2010-01-08  Ian Lance Taylor  <iant@google.com>
4951
4952         PR 11108
4953         * symtab.h (class Symbol): Remove fields is_target_special_ and
4954         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4955         (Symbol::is_defined_in_discarded_section): New function.
4956         (Symbol::set_is_defined_in_discarded_section): New function.
4957         (Symbol::has_plt_offset): Rewrite.
4958         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4959         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4960         Don't initialize is_target_special_ or has_plt_offset_.
4961         Initialize is_defined_in_discarded_section_.
4962         (Symbol_table::add_from_relobj): If appropriate, set
4963         is_defined_in_discarded_section.
4964         * resolve.cc (Symbol::override_base_with_special): Don't test
4965         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4966         * target-reloc.h (relocate_section): Do special handling for
4967         symbols defined in discarded sections for global symbols as well
4968         as local symbols.
4969
4970 2010-01-08  Ian Lance Taylor  <iant@google.com>
4971
4972         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4973         the SHT_SYMTAB case.
4974
4975 2010-01-08  Ian Lance Taylor  <iant@google.com>
4976
4977         * object.cc (Sized_relobj::do_layout): Don't get confused if
4978         layout_eh_frame returns NULL.
4979
4980 2010-01-08  Ian Lance Taylor  <iant@google.com>
4981
4982         PR 11084
4983         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4984         dynamic symbol table, use the normal symbol table.
4985         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4986         symbol table.
4987
4988 2010-01-08  Ian Lance Taylor  <iant@google.com>
4989
4990         PR 11072
4991         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4992         sections.
4993
4994 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4995
4996         * version.cc (print_version): Change to "Copyright 2010".
4997
4998 2010-01-08  Ian Lance Taylor  <iant@google.com>
4999
5000         PR 10287
5001         PR 11063
5002         * i386.cc (class Target_i386): Change return type of plt_section
5003         to be non-const.
5004         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5005         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5006         tls_desc_rel_ field.
5007         (Output_data_plt_i386::rel_tls_desc): New function.
5008         (Target_i386::rel_tls_desc_section): New function.
5009         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5010         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5011         R_386_TLS_DESC reloc in rel_tls_desc_section.
5012         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5013         Define struct Tlsdesc_info.
5014         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5015         (Target_x86_64::do_reloc_symbol_index): New function.
5016         (Target_x86_64::add_tlsdesc_info): New function.
5017         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5018         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5019         tlsdesc_rel_ field.
5020         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5021         all callers.
5022         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5023         (Target_x86_64::rela_tlsdesc_section): New function.
5024         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5025         handling.
5026         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5027         (Target_x86_64::do_reloc_addend): New function.
5028         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5029         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5030         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5031         (Output_reloc::type): New function.
5032         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5033         (Output_reloc::is_target_specific): New function.
5034         (Output_reloc::target_arg): New function.
5035         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5036         absolute relocs and target specific relocs.
5037         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5038         add_target_specific.
5039         (class Output_data_reloc) [SHT_RELA]: Likewise.
5040         * output.cc (Output_reloc::Output_reloc): Add four new versions
5041         for absolute relocs and target specific relocs.
5042         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5043         (Output_reloc::get_symbol_index): Likewise.
5044         (Output_reloc::local_section_offset): Check that local_sym_index_
5045         is not TARGET_CODE or 0.
5046         (Output_reloc::symbol_value): Likewise.
5047         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5048         reloc.
5049         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5050         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5051         functions.
5052         * layout.cc (add_target_dynamic_tags): Use output section for
5053         DT_PLTRELSZ and DT_JMPREL.
5054
5055 2010-01-07  Ian Lance Taylor  <iant@google.com>
5056
5057         PR 11061
5058         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5059         function.
5060         (class Output_data_reloc_generic): Define.
5061         (class Output_data_reloc_base): Change base class to
5062         Output_data_reloc_generic.  Change add() method to call
5063         bump_relative_reloc_count for a relative reloc.  Remove
5064         sort_relocs_ field.
5065         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5066         to sort_relocs().
5067         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5068         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5069         appropriate.
5070         * layout.h (class Layout): Update declaration.
5071
5072 2010-01-07  Ian Lance Taylor  <iant@google.com>
5073
5074         * output.h (class Output_data): Add const version of
5075         output_section and do_output_section.
5076         (class Output_section_data): Add const version of
5077         do_output_section.
5078         (class Output_section): Likewise.
5079         * layout.cc (Layout::add_target_dynamic_tags): New function.
5080         * layout.h (class Layout): Update declarations.
5081         * arm.cc (Target_arm::do_finalize_sections): Use
5082         add_target_dynamic_tags.
5083         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5084         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5085         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5086         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5087
5088 2010-01-07  Ian Lance Taylor  <iant@google.com>
5089
5090         PR 11042
5091         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5092         object as needed.
5093
5094 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5095             Ian Lance Taylor  <iant@google.com>
5096
5097         PR 11019
5098         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5099         Xindex::read_symtab_xindex.
5100
5101 2010-01-07  Doug Kwan  <dougkwan@google.com>
5102
5103         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5104         (Insn_template::thumb16_bcond_insn): New method declaration.
5105         (Insn_template): Fix spelling.
5106         (Stub::thumb16_special): New method declaration.
5107         (Stub::do_write): Define virtual method which was previously pure
5108         virtual.
5109         (Stub::do_thumb16_special): New method declaration.
5110         (Stub::do_fixed_endian_write): New template member.
5111         (Reloc_stub::do_write): Remove.
5112         (Reloc_stub::do_fixed_endian_write): Remove.
5113         (Cortex_a8_stub): New class definition.
5114         (Stub_factory::make_cortex_a8_stub): New method definition.
5115         (Stub_factory::Stub_factory): Add missing static storage class
5116         qualifier for elf32_arm_stub_a8_veneer_blx.
5117
5118 2010-01-07  Ian Lance Taylor  <iant@google.com>
5119
5120         PR 10980
5121         * options.h (class General_options): Add --warn-unresolved-symbols
5122         and --error-unresolved-symbols.
5123         * errors.cc (Errors::undefined_symbol): Implement
5124         --warn-unresolved-symbols.
5125
5126         * options.h (class General_options): Add -z text and -z textoff.
5127         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5128
5129 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5130
5131         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5132         (Garbage_collection::cident_sections): New function.
5133         (Garbage_collection::add_cident_section): New function.
5134         (Garbage_collection::cident_sections_): New member.
5135         (gc_process_relocs): Add references to sections whose names are C
5136         identifiers.
5137         * gold.h (cident_section_start_prefix): New constant.
5138         (cident_section_stop_prefix): New constant.
5139         (is_cident): New function.
5140         * layout.cc (Layout::define_section_symbols): Replace string constants
5141         with the newly defined constants.
5142         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5143         C identifiers.
5144         * testsuite/Makefile.am: Add gc_orphan_section_test.
5145         * testsuite/Makefile.in: Regenerate.
5146         * testsuite/gc_orphan_section_test.cc: New file.
5147         * testsuite/gc_orphan_section_test.sh: New file.
5148
5149 2010-01-06  Ian Lance Taylor  <iant@google.com>
5150
5151         PR 10980
5152         * options.h (class General_options): Add --warn-shared-textrel.
5153         * layout.cc (Layout::finish_dynamic_section): Implement
5154         --warn-shared-textrel.
5155
5156         PR 10980
5157         * options.h (class General_options): Add --warn-multiple-gp.
5158
5159 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5160
5161         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5162         $(THREADSLIB) and $(LIBDL).
5163         * Makefile.in: Rebuild.
5164
5165 2010-01-06  Ian Lance Taylor  <iant@google.com>
5166
5167         PR 10980
5168         * options.cc (General_options::parse_section_start): New function.
5169         (General_options::section_start): New function.
5170         (General_options::General_options): Initialize all members.
5171         * options.h: Include <map>
5172         (class General_options): Add --section-start.  Add section_starts_
5173         member.
5174         * layout.cc (Layout::attach_allocated_section_to_segment): If
5175         --section-start was used, set the address of the segment.  Remove
5176         local sort_sections.
5177         (Layout::relaxation_loop_body): If the address of the load segment
5178         has been set by --section-start, don't use it.
5179         * output.h (Output_segment::update_flags_for_output_section): New
5180         function.
5181         * output.cc (Output_segment::add_output_section): Call
5182         update_flags_for_output_section.
5183
5184 2010-01-05  Ian Lance Taylor  <iant@google.com>
5185
5186         PR 10980
5187         * options.h (class General_options): Add --undefined-version.
5188         * script.cc (struct Version_expression): Add was_matched_by_symbol
5189         field.
5190         (Version_script_info::matched_symbol): New function.
5191         (Version_script_info::get_symbol_version_helper): Call
5192         matched_symbol.
5193         (Version_script_info::check_unmatched_names): New function.
5194         * script.h (class Version_script_info): Update declarations.
5195         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5196
5197         * options.h (class General_options): Use DEFINE_bool_alias for
5198         allow_multiple_definition.
5199         * resolve.cc (Symbol_table::should_override): Don't test
5200         allow_multiple_definition.
5201
5202         PR 10980
5203         * options.h (class General_options): Add --cref.
5204         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5205         until after printing cref table.
5206         * cref.cc: Include "symtab.h".
5207         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5208         (Cref_table_compare::operator()): New function.
5209         (Cref_inputs::gather_cref): New function.
5210         (filecol): New static const.
5211         (Cref_inputs::print_cref): New function.
5212         (Cref::print_cref): New function.
5213         * cref.h: Include <cstdio>.
5214         (class Cref): Update declarations.
5215         * mapfile.h (Mapfile::file): New function.
5216         * object.h (class Object): Define Symbols.  Declare virtual
5217         do_get_global_symbols.
5218         (Object::get_global_symbols): New function.
5219         * object.cc (Input_objects::add_object): Pass object to cref_ if
5220         --cref.
5221         (Input_objects::archive_start): Likewise.
5222         (Input_objects::archive_stop): Likewise.
5223         (Input_objects::print_cref): New function.
5224         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5225         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5226         --cref.
5227         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5228         function.
5229         * plugin.h (class Sized_pluginobj): Update declarations.
5230
5231 2010-01-05  Ian Lance Taylor  <iant@google.com>
5232
5233         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5234         to is_default_version.  Rename insdef to insdefault.
5235         (Symbol_table::add_from_relobj): Rename def to is_default_version
5236         and local to is_forced_local.
5237         (Symbol_table::add_from_pluginobj): Likewise.
5238         (Symbol_table::add_from_dynobj): Likewise.
5239         (Symbol_table::define_special_symbol): Rename insdef to
5240         insdefault.
5241
5242 2010-01-04  Ian Lance Taylor  <iant@google.com>
5243
5244         PR 10980
5245         * options.h (class General_options): Add
5246         --allow-multiple-definition and -z muldefs.
5247         * resolve.cc (Symbol_table::should_override): Don't warn about a
5248         multiple symbol definition if --allow-multiple-definition or -z
5249         muldefs.
5250
5251         PR 10980
5252         * options.h (class General_options): Add --add-needed and
5253         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5254         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5255         error if --copy-dt-needed-entries aka --add-needed is used and
5256         would cause a change in behaviour.
5257
5258         PR 10980
5259         * options.h (class General_options): Add -G as a short version of
5260         --shared.  Add no-op options -assert, -g, and -i.
5261
5262 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5263
5264         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5265         check for .text or .gnu.linkonce.t sections.
5266         * icf.cc (Icf::find_identical_sections): Ditto.
5267         Change the detection for mangled function name within the section
5268         name.
5269         * icf.h (is_section_foldable_candidate): New function.
5270
5271 2009-12-30  Ian Lance Taylor  <iant@google.com>
5272
5273         PR 10980
5274         * options.h (class General_options): Permit two dashes with
5275         --retain-symbols-file.
5276
5277 2009-12-30  Ian Lance Taylor  <iant@google.com>
5278
5279         PR 10979
5280         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5281         don't put the file header and segment headers in the text
5282         segment.
5283
5284         PR 10979
5285         * common.cc (Sort_commons::operator()): Stabilize sort when both
5286         entries are NULL.
5287         (Symbol_table::do_allocate_commons_list): When allocating common
5288         symbols, skip a symbol which is no longer common.
5289         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5290         an object before checking its type.
5291         * testsuite/common_test_2.c: New file.
5292         * testsuite/common_test_3.c: New file.
5293         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5294         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5295         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5296         (common_test_2_pic.o, common_test_2.so): New targets.
5297         (common_test_3_pic.o, common_test_3.so): New targets.
5298         * testsuite/Makefile.in: Rebuild.
5299
5300         PR 10979
5301         * script.cc (read_input_script): If we see a new SECTIONS clause,
5302         and we have added an input section, give an error.
5303         * layout.h (class Layout): Add have_added_input_section function.
5304         Add have_added_input_section_ field.
5305         * layout.cc (Layout::Layout): Initialize
5306         have_added_input_section_.
5307         (Layout::layout): Set have_added_input_section_.
5308         (Layout::layout_eh_frame): Likewise.
5309
5310 2009-12-30  Ian Lance Taylor  <iant@google.com>
5311
5312         PR 10931
5313         * options.h (class General_options): Add --sort-common option.
5314         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5315         * common.cc (Sort_common): Add sort_order parameter to
5316         constructor.  Add sort_order_ field.
5317         (Sort_commons::operator): Check sort_order_.
5318         (Symbol_table::allocate_commons): Determine the sort order.
5319         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5320         Change all callers.
5321         (Symbol_table::do_allocate_commons_list): Likewise.
5322
5323 2009-12-30  Ian Lance Taylor  <iant@google.com>
5324
5325         PR 10916
5326         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5327         symbols from this object, don't change the visibility of an
5328         undefined symbol.
5329         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5330
5331 2009-12-30  Ian Lance Taylor  <iant@google.com>
5332
5333         PR 10861
5334         * script.h (class Version_script_info): Define Language enum.
5335         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5336         new fields globals_, locals_, and is_finalized_.
5337         * script.cc: Various formatting fixes.
5338         (class Parser_closure): Change language_stack_ from a vector of
5339         std::string to one of Version_script_info::Language.  Adjust all
5340         uses accordingly.
5341         (class Lazy_demangler): Remove.
5342         (struct Version_expression): Change language from std::string to
5343         Version_script_info::Language.
5344         (Version_script_info::Version_script_info): New function.
5345         (Version_script_info::~Version_script_info): Don't call clear.
5346         (Version_script_info::finalize): New function.
5347         (Version_script_info::build_lookup_tables): New function.
5348         (Version_script_info::build_expression_list_lookup): New
5349         function.
5350         (Version_script_info::get_symbol_version_helper): Rewrite to use
5351         lookup tables.
5352         (Version_script_info::print_expression_list): Adjust to use
5353         Version_script_info::Language.
5354         (script_push_lex_into_version_mode): Check that the version script
5355         has not been finalized.
5356         (version_script_push_lang): Change language string to
5357         Version_script_info::Language.
5358         * options.cc (Command_line::version_script): New function.
5359         * options.h (class General_options): Add finalize_dynamic_list
5360         function.  Change version_script from declaration to definition.
5361         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5362         * testsuite/version_script.map: Remove duplicate def of foo.
5363         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5364         version_script.map.
5365         * testsuite/Makefile.in: Rebuild.
5366
5367 2009-12-30  Ian Lance Taylor  <iant@google.com>
5368
5369         PR 10843
5370         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5371         if the input symbol index is 0, make the output symbol index 0.
5372
5373 2009-12-30  Ian Lance Taylor  <iant@google.com>
5374
5375         PR 10670
5376         * options.h (class General_options): Add -x/--discard-all.
5377         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5378         --discard-all.  If the local symbol needs a dynamic entry, check
5379         that before handling --discard-locals.
5380
5381 2009-12-30  Ian Lance Taylor  <iant@google.com>
5382
5383         PR 10450
5384         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5385         flags to PF_R.
5386         (Output_segment::add_output_section): Don't change the flags if
5387         the type is PT_TLS.
5388
5389         PR 10450
5390         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5391         GNU hash table if they need a dynamic value.  Otherwise, don't add
5392         them if they are defined in a dynamic object or are forced local.
5393
5394 2009-12-29  Ian Lance Taylor  <iant@google.com>
5395
5396         PR 10450
5397         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5398         .gnu.hash table for a 32-bit target.
5399
5400         PR 10450
5401         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5402         regular and a dynamic object only needs a dynamic symbol table
5403         entry if it is externally visible.
5404
5405         PR 10450
5406         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5407         constructor.  Add global_offset_table_ field.
5408         (Target_i386::got_section): Set global_offset_table_.
5409         (Target_i386::do_finalize_sections): Set global_offset_table_
5410         size.
5411         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5412         in constructor.  Add global_offset_table_ field.
5413         (Target_x86_64::got_section): Set global_offset_table_.
5414         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5415         size.
5416
5417         * layout.cc (Layout::Layout): Initialize increase_relro_.
5418         (Layout::get_output_section): Add is_relro, is_last_relro, and
5419         is_first_non_relro parameters.  Change all callers.
5420         (Layout::choose_output_section): Likewise.
5421         (Layout::add_output_section_data): Likewise.
5422         (Layout::make_output_section): Likewise.
5423         (Layout::set_segment_offsets): Clear increase_relro when using a
5424         linker script.
5425         * layout.h (class Layout): Add increase_relro method.  Add
5426         increase_relro_ field.  Update declarations.
5427         * output.cc (Output_section::Output_section): Initialize
5428         is_last_relro_ and is_first_non_relro_.
5429         (Output_segment::add_output_section): Group relro sections is
5430         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5431         (Output_segment::maximum_alignment): Remove relro handling.
5432         (Output_segment::set_section_addresses): Add increase_relro
5433         parameter.  Change all callers.  Add initial alignment to align
5434         relro sections on separate page.  Remove old relro handling.
5435         (Output_segment::set_section_list_addresses): Remove in_relro
5436         parameter.  Change all callers.
5437         (Output_segment::set_offset): Add increase parameter.  Change all
5438         callers.  Remove old relro handling.
5439         * output.h (class Output_section): Add new methods: is_last_relro,
5440         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5441         Add is_last_relro_ and is_first_non_relro_ fields.
5442         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5443         Create separate .got.plt section.  Call increase_relro.
5444         * x86_64.cc (Target_x86_64::got_section): Likewise.
5445         * testsuite/relro_script_test.t: Add .got.plt.
5446
5447         PR 10450
5448         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5449         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5450         (Layout::finalize): Call set_dynamic_symbol_size.
5451         (Layout::set_dynamic_symbol_size): New function.
5452         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5453         set_dynamic_symbol_size.
5454
5455         PR 10450
5456         * output.h (class Output_section): Add is_entsize_zero_ field.
5457         * output.cc (Output_section::Output_section): Initialize
5458         is_entsize_zero_.
5459         (Output_section::set_entsize): If two different entsizes are
5460         requested, force it to zero.
5461         (Output_section::add_input_section): Set flags for .debug_str
5462         before updating section flags.  Set entsize.
5463         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5464         and SHF_STRING if all input sections have those flags.
5465
5466 2009-12-29   Rafael Espindola  <espindola@google.com>
5467
5468         * main.cc (main): Fix the sys time reporting.
5469         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5470         reporting.
5471
5472 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5473
5474         * options.cc (General_options::parse_version): Allow -v to exit
5475         without an error if there is nothing to link.
5476
5477 2009-12-29  Ian Lance Taylor  <iant@google.com>
5478
5479         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5480         using a version of gcc before 4.1.
5481         * configure: Rebuild.
5482
5483 2009-12-28  Chris Demetriou  <cgd@google.com>
5484
5485         * attributes.cc (Output_attributes_section_data::do_write): Use
5486         std::vector::front rather than std::vector::data.
5487
5488 2009-12-28  Ian Lance Taylor  <iant@google.com>
5489
5490         * symtab.h (class Symbol_table): Add enum Defined.
5491         * resolve.cc (Symbol_table::should_override): Add defined
5492         parameter.  Change all callers.  Test whether object is NULL
5493         before calling a method on it.
5494         (Symbol_table::report_resolve_problem): Add defined parameter.
5495         Change all callers.
5496         (Symbol_table::should_override_with_special): Likewise.
5497         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5498         parameter.  Change all callers.
5499         (Symbol_table::do_define_in_output_data): Likewise.
5500         (Symbol_table::define_in_output_segment): Likewise.
5501         (Symbol_table::do_define_in_output_segment): Likewise.
5502         (Symbol_table::define_as_constant): Likewise.
5503         (Symbol_table::do_define_as_constant): Likewise.
5504         * script.h (class Symbol_assignment): Add is_defsym parameter to
5505         constructor; change all callers.
5506         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5507         parameter.  Change all callers.  Add is_defsym_ field.
5508         (class Parser_closure): Add parsing_defsym parameter to
5509         constructor; change all callers.  Add parsing_defsym accessor
5510         function.  Add parsing_defsym_ field.
5511
5512 2009-12-28  Ian Lance Taylor  <iant@google.com>
5513
5514         * gold.cc (queue_middle_tasks): Fix formatting.
5515         * object.cc (Relobj::is_section_name_included): Likewise.
5516
5517 2009-12-23  Ian Lance Taylor  <iant@google.com>
5518
5519         * i386.cc (Target_i386::do_calls_non_split): Recognize
5520         -fsplit-stack prologue for a function with a static chain.
5521         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5522         -fsplit-stack prologue when using %r11.
5523
5524 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5525
5526         * options.cc (General_options::parse_version): Make -v continue and do
5527         the link like GNU ld does.
5528
5529 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5530
5531         * Makefile.am (CCFILES): Add timer.cc.
5532         (HFILES): Add timer.h.
5533         * configure.ac: Check for sysconf and times.
5534         * main.cc: include timer.h.
5535         (main): Use Timer instead of get_run_time.
5536         * timer.cc: New.
5537         * timer.h: New.
5538         * workqueue.cc: include timer.h.
5539         (Workqueue::find_and_run_task):
5540         Report user, sys and wall time.
5541         * Makefile.in: Regenerate.
5542         * config.in: Regenerate.
5543         * configure: Regenerate.
5544
5545 2009-12-16  Doug Kwan  <dougkwan@google.com>
5546
5547         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5548         sections.
5549         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5550         relaxed input sections.
5551         * output.cc (Output_section::find_relaxed_input_section): Change
5552         return type to Output_relaxed_input_section pointer.  Adjust code
5553         for new type of relaxed_input_section_map_.
5554         * output.h (Output_section::find_relaxed_input_section): Change
5555         return type to Output_relaxed_input_section pointer.
5556         (Output_section::Output_relaxed_input_section_by_input_section_map):
5557         New type.
5558         (Output_section::relaxed_input_section_map_): Change type to
5559         Output_section::Output_relaxed_input_section_by_input_section_map.
5560         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5561         input section.
5562
5563 2009-12-15  Ian Lance Taylor  <iant@google.com>
5564
5565         * layout.cc (Layout::create_shstrtab): Only write out after input
5566         sections if we are compressing debug sections.
5567
5568 2009-12-15  Ian Lance Taylor  <iant@google.com>
5569
5570         * archive.cc (Archive::add_symbols): Only look up a symbol without
5571         a version if there is, in fact, a version.
5572
5573 2009-12-14  Ian Lance Taylor  <iant@google.com>
5574
5575         Revert -Wshadow changes, all changes from:
5576         2009-12-11  Doug Kwan  <dougkwan@google.com>
5577         2009-12-11  Nick Clifton  <nickc@redhat.com>
5578         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5579
5580 2009-12-11  Doug Kwan  <dougkwan@google.com>
5581
5582         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5583         due to -Wshadow.
5584         * attributes.cc (Object_attribute::size): Ditto.
5585         (Attributes_section_data::size): Ditto.
5586         (Attributes_section_data::Attributes_section_data): Ditto.
5587         (Output_attributes_section_data::do_write): Ditto.
5588         * attributes.h (Object_attribute::set_type): Ditto.
5589         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5590
5591 2009-12-11  Nick Clifton  <nickc@redhat.com>
5592
5593         * archive.cc: Fix shadowed variable warnings.
5594         * arm.cc: Likewise.
5595         * compressed_output.cc: Likewise.
5596         * compressed_output.h: Likewise.
5597         * configure: Likewise.
5598         * dwarf_reader.cc: Likewise.
5599         * dynobj.cc: Likewise.
5600         * dynobj.h: Likewise.
5601         * ehframe.cc: Likewise.
5602         * ehframe.h: Likewise.
5603         * errors.cc: Likewise.
5604         * expression.cc: Likewise.
5605         * fileread.cc: Likewise.
5606         * fileread.h: Likewise.
5607         * freebsd.h: Likewise.
5608         * i386.cc: Likewise.
5609         * icf.cc: Likewise.
5610         * incremental.h: Likewise.
5611         * layout.cc: Likewise.
5612         * layout.h: Likewise.
5613         * mapfile.cc: Likewise.
5614         * merge.cc: Likewise.
5615         * merge.h: Likewise.
5616         * object.cc: Likewise.
5617         * object.h: Likewise.
5618         * options.h: Likewise.
5619         * output.cc: Likewise.
5620         * output.h: Likewise.
5621         * parameters.cc: Likewise.
5622         * plugin.cc: Likewise.
5623         * powerpc.cc: Likewise.
5624         * reduced_debug_output.cc: Likewise.
5625         * reduced_debug_output.h: Likewise.
5626         * reloc.cc: Likewise.
5627         * reloc.h: Likewise.
5628         * resolve.cc: Likewise.
5629         * script-sections.cc: Likewise.
5630         * script.cc: Likewise.
5631         * script.h: Likewise.
5632         * sparc.cc: Likewise.
5633         * symtab.cc: Likewise.
5634         * symtab.h: Likewise.
5635         * target-select.cc: Likewise.
5636         * target-select.h: Likewise.
5637         * token.h: Likewise.
5638         * workqueue.cc: Likewise.
5639         * workqueue.h: Likewise.
5640         * x86_64.cc: Likewise.
5641
5642 2009-12-10  Doug Kwan  <dougkwan@google.com>
5643
5644         * arm.cc (attributes.h): New include.
5645         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5646         (Arm_relobj::~Arm_relobj): Delete object pointed by
5647         attributes_section_data_.
5648         (Arm_relobj::attributes_section_data): New method definition.
5649         (Arm_relobj::attributes_section_data_): New data member declaration.
5650         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5651         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5652         attributes_section_data_.
5653         (Arm_dynobj::attributes_section_data): New method definition.
5654         (Arm_dynobj::attributes_section_data_): New data member declaration.
5655         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5656         initialization value of may_use_blx_ to false.
5657         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5658         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5659         object attributes to compute results instead of hard-coding.
5660         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5661         Target_arm::get_secondary_compatible_arch,
5662         Target_arm::set_secondary_compatible_arch
5663         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5664         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5665         New method declarations.
5666         (Target_arm::get_aeabi_object_attribute): New method definition.
5667         (Target_arm::attributes_section_data_): New data member declaration.
5668         (read_arm_attributes_section): New template definition.
5669         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5670         (Arm_dynobj::do_read_symbols): Ditto.
5671         (Target_arm::do_finalize_sections): Merge attributes sections from
5672         input.  Check for BLX use after attributes section merging.
5673         Fix __exidx_start and __exidx_end visibility.  Create an
5674         .ARM.attributes section if necessary.
5675         (Target_arm::get_secondary_compatible_arch,
5676         Target_arm::set_secondary_compatible_arch,
5677         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5678         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5679         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5680         New method definitions.
5681
5682 2009-12-09  Ian Lance Taylor  <iant@google.com>
5683
5684         * plugin.cc (Plugin::load): Don't cast from void* to a function
5685         pointer.
5686
5687 2009-12-09  Ian Lance Taylor  <iant@google.com>
5688
5689         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5690         information fields.
5691
5692 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5693
5694         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5695         Replace two_file_shared_1.so with two_file_shared_2.so.
5696         * testsuite/Makefile.in: Regenerated.
5697
5698 2009-12-08  Doug Kwan  <dougkwan@google.com>
5699
5700         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5701         (HFILES): Add attributes.h and int_encoding.h.
5702         * Makefile.in: Regenerate.
5703         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5704         function definitions to int_encoding.cc
5705         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5706         prototypes to int_encoding.h
5707         * reduced_debug_output.cc (int_encoding.h): New include.
5708         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5709         function definitions to int_encoding.cc
5710         (insert_into_vector, read_from_pointer): Move template definitions to
5711         int_encoding.h
5712         * attributes.cc: New file.
5713         * attributes.h: New file.
5714         * int_encoding.cc: New file.
5715         * int_encoding.h: New file.
5716
5717 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5718
5719         PR gold/11055
5720         * incremental-dump.cc (dump_incremental_inputs): New.
5721         (main): Use dump_incremental_inputs.
5722
5723 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5724
5725         PR gold/10893
5726         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5727         checking elfcpp::STT_FUNC.
5728         (Target_i386::Relocate::relocate): Likewise.
5729         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5730
5731         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5732         symbols from shared libraries into normal FUNC symbols.
5733
5734         * symtab.h (Symbol): Add is_func and use it.
5735
5736 2009-12-05  Doug Kwan  <dougkwan@google.com>
5737
5738         * arm.cc (Target_arm::arm_info): Initialize new fields
5739         attributes_section and attributes_vendor.
5740         * i386.cc (Target_i386::i386_info): Same.
5741         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5742         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5743         fields attributes_section and attributes_vendor.
5744         * sparc.cc (Target_sparc::sparc_info): Same.
5745         * target.h (Target::attributes_section, Target::attributes_vendor,
5746         Target::is_attributes_section, Target::attribute_arg_type,
5747         Target::attributes_order): New method definitions.
5748         (Target::Target_info::attributes_section,
5749         Target::Target_info::attributes_vendor): New fields.
5750         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5751         virtual method definitions.
5752         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5753         attributes_section and attributes_vendor.
5754         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5755
5756 2009-12-05  Doug Kwan  <dougkwan@google.com>
5757
5758         * arm.cc: Update comments about interworking and stub generation.
5759         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5760         considered as non-PIC.
5761         (Arm_relocate_functions::base_abs): Fix formatting.
5762         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5763         of function to use GOT entry address instead of offset.
5764         (Target_arm::Scan::global): Issue an error if a symbol would need a
5765         PLT does not get one because it is untyped.  Remove code to create
5766         dynamic symbols for relative branches.
5767         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5768         takes unsigned integer instead of boolean.
5769
5770 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5771
5772         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5773         (two_file_test_LDADD): Likewise.
5774         (common_test_1_LDADD): Likewise.
5775         (exception_test_LDADD) Likewise.
5776         (weak_test_LDADD): Likewise.
5777         (many_sections_test_LDADD): Likewise.
5778         (initpri1_LDADD): Likewise.
5779         (script_test_1_LDADD): Likewise.
5780         (script_test_2_LDADD): Likewise.
5781         (justsyms_LDADD): Likewise.
5782         (binary_test_LDADD): Likewise.
5783         (large_LDADD): Likewise.
5784         * testsuite/Makefile.in: Regenerated.
5785
5786 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5787
5788         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5789         (Symbol_table::override_with_special): Likewise.
5790         (Symbol_table::add_from_object): Likewise.
5791
5792 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5793
5794         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5795         Don't set the data_offset twice.
5796
5797 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5798
5799         * testsuite/Makefile.in: Regenerate.
5800
5801 2009-12-03  Doug Kwan  <dougkwan@google.com>
5802
5803         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5804         (Target_arm::do_finalize_sections): Add parameter for symbol table
5805         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5806         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5807         parameter for symbol table pointer.
5808         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5809         an additional parameter for a pointer to symbol table.
5810         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5811         parameter for a symbol table pointer.
5812         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5813         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5814         Ditto.
5815         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5816         parameter for a symbol table pointer.
5817
5818 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5819
5820         * incremental.cc (Incremental_inputs_header)
5821         (Incremental_inputs_header_write, Incremental_inputs_entry)
5822         (Incremental_inputs_entry_write): Move ...
5823         * incremental.h (Incremental_inputs_header)
5824         (Incremental_inputs_header_write, Incremental_inputs_entry)
5825         (Incremental_inputs_entry_write): here.
5826
5827 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5828
5829         * incremental.cc (make_sized_incremental_binary): Set the target.
5830         Error if it is incompatible.
5831         * output.h (Output_file): Add filename method.
5832
5833 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5834
5835         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5836         from the get_* methods.
5837
5838 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5839
5840         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5841         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5842         Write 0 for the data_offset of scripts.
5843
5844 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5845
5846         * testsuite/Makefile.am: Add the incremental_test.sh test.
5847         * testsuite/incremental_test.sh: New.
5848         * testsuite/incremental_test_1.c: New.
5849         * testsuite/incremental_test_2.c: New.
5850
5851 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5852
5853        * incremental-dump.cc (main): Fix typos.
5854
5855 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5856
5857         PR gold/11025
5858         * incremental-dump.cc (main): Use llu to print 64 bit values.
5859
5860 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5861             H.J. Lu  <hongjiu.lu@intel.com>
5862
5863         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5864         $(LIBDL).
5865         (incremental_dump_LDADD): Likewise.
5866         * Makefile.in: Regenerated.
5867
5868 2009-11-25  Doug Kwan  <dougkwan@google.com>
5869
5870         Revert:
5871
5872         2009-11-25  Doug Kwan  <dougkwan@google.com>
5873
5874                 * arm.cc (Target_arm::Target_arm): Move method definition
5875                 outside of class definition.  Add code to handle
5876                 --target1-rel, --target1-abs and --target2= options.
5877                 (Target_arm::get_reloc_reloc_type): Change method to be
5878                 non-static and const.
5879                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5880                 New data member declaration.
5881                 (Target_arm::Scan::local, Target_arm::Scan::global,
5882                 Target_arm::Relocate::relocate,
5883                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5884                 Adjust call to Target_arm::get_real_reloc_type.
5885                 (Target_arm::get_real_reloc_type): Use command line options
5886                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5887                 * options.h (--target1-rel, --target1-abs, --target2): New
5888                 ARM-only options.
5889
5890 2009-11-25  Doug Kwan  <dougkwan@google.com>
5891
5892         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5893         class definition.  Add code to handle --target1-rel, --target1-abs
5894         and --target2= options.
5895         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5896         and const.
5897         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5898         member declaration.
5899         (Target_arm::Scan::local, Target_arm::Scan::global,
5900         Target_arm::Relocate::relocate,
5901         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5902         call to Target_arm::get_real_reloc_type.
5903         (Target_arm::get_real_reloc_type): Use command line options to
5904         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5905         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5906         options.
5907
5908 2009-11-25  Doug Kwan  <dougkwan@google.com>
5909
5910         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5911         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5912         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5913         formatting.
5914         (Arm_relocate_functions::thm_call): Replace body with a call to
5915         Arm_relocate_functions::thumb_branch_common.
5916         (Arm_relocate_functions::thm_jump24,
5917         Arm_relocate_functions::thm_xpc22): New method definitions.
5918         (Arm_relocate_functions::thumb_branch_common): New method definition.
5919         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5920         operator.
5921         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5922         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5923
5924 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5925
5926         * Makefile.am: Build incremental-dump
5927         * Makefile.in: Regenerate.
5928         * incremental-dump.cc: New.
5929         * incremental.cc (Incremental_inputs_header_data,
5930         Incremental_inputs_entry_data): Move to incremental.h
5931         * incremental.h: (Incremental_inputs_header_data,
5932         Incremental_inputs_entry_data): Move from incremental.cc
5933
5934 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5935
5936         * incremental.cc (Incremental_inputs_header,
5937         Incremental_inputs_header_write, Incremental_inputs_entry,
5938         Incremental_inputs_entry_write): Add a typedef with the data type.
5939
5940 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5941
5942         * incremental.cc (Incremental_inputs_header,
5943         Incremental_inputs_header_write, Incremental_inputs_entry,
5944         Incremental_inputs_entry_write): Update comment about which
5945         type has the filed descriptions.
5946
5947 2009-11-15  Doug Kwan  <dougkwan@google.com>
5948
5949         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5950         (Arm_relocate_functions::arm_branch_common): Change method defintion
5951         in class definition to a method declaration and update list of formal
5952         parameters.
5953         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5954         Arm_relocation_functions::jump24): Adjust call to
5955         Arm_relocate_functions::arm_branch_common.  Update list of formal
5956         parameters.
5957         (Arm_relocate_functions::xpc25): New method definition.
5958         (Arm_relocate_functions::arm_branch_common): Move method defintion
5959         out from class definition.  Use stubs for mode-switching and extending
5960         branch ranges.
5961         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5962         specially.  Change code to enable use of stubs in ARM branches.
5963
5964 2009-11-10  Doug Kwan  <dougkwan@google.com>
5965
5966         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5967         in method declaration.
5968         (Target_arm::relocate_stub): New method declaration.
5969         (Target_arm::default_target): Change to return a pointer instead of
5970         a const reference.
5971         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5972         Target_arm::default_target.
5973         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5974         method definition.
5975         (Target_arm::relocate_section): Adjust view.
5976         (Target_arm::relocate_stub): New method definition.
5977
5978 2009-11-10  Doug Kwan  <dougkwan@google.com>
5979
5980         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5981         a format warning.
5982         * incremental.cc (open_incremental_binary): Initialized local
5983         variables to avoid warnings.
5984         * object.cc (make_elf_object): Ditto.
5985         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5986         a format warning.
5987
5988 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5989
5990         PR gold/10930
5991         * testsuite/plugin_test.c: Include "config.h".
5992
5993 2009-11-09  Doug Kwan  <dougkwan@google.com>
5994
5995         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5996         (arm_symbol_value): Remove.
5997         (Arm_relocate_functions::arm_branch_common,
5998         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5999         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6000         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6001         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6002         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6003         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6004         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6005         Arm_relocate_functions::thm_mobw_abs_nc,
6006         Arm_relocate_functions::thm_mov_abs,
6007         Arm_relocate_functions::movw_prel_nc,
6008         Arm_relocate_functions::thm_movt_abs,
6009         Arm_relocate_functions::movt_prel,
6010         Arm_relocate_functions::thm_movw_prel_nc,
6011         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6012         (Target_arm::Relocate::relocate): Only decompose address into two
6013         parts if relocation type uses the thumb-bit and pass the actual
6014         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6015         calls to methods in Arm_relocate_functions for this change.
6016
6017 2009-11-08  Ian Lance Taylor  <iant@google.com>
6018
6019         PR 10925
6020         * reloc.cc: Instantiate
6021         Sized_relobj::initialize_input_to_output_maps and
6022         Sized_relobj:free_input_to_output_maps.
6023
6024 2009-11-06  Ian Lance Taylor  <iant@google.com>
6025
6026         PR 10876
6027         * defstd.cc (in_segment): Set only_if_ref true for "end".
6028
6029 2009-11-06  Doug Kwan  <dougkwan@google.com>
6030
6031         * arm.cc (class Reloc_stub): Correct a comment.
6032         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6033         (Target_arm::scan_section_for_stubs): New method declaration.
6034         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6035         Change methods from private to protected.
6036         (Target_arm::do_may_relax): New method definition.
6037         (Target_arm::do_relax, Target_arm::group_sections,
6038         Target_arm::scan_reloc_for_stub,
6039         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6040         (Target_arm::arm_input_section_map_): New data member declaration.
6041         (Target_arm::scan_reloc_for_stub,
6042         Target_arm::scan_reloc_section_for_stubs,
6043         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6044         Target_arm::do_relax): New method definitions.
6045
6046 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6047
6048         * configure.ac: Check for (struct stat)::st_mtim
6049         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6050         * config.in: Regenerate.
6051         * configure: Regenerate.
6052
6053 2009-11-05  Ian Lance Taylor  <iant@google.com>
6054
6055         PR 10910
6056         * output.cc (Output_segment::add_output_section): Add missing
6057         return statement.
6058
6059 2009-11-04  Ian Lance Taylor  <iant@google.com>
6060
6061         PR 10880
6062         * object.h (class Object): Add is_needed and set_is_needed
6063         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6064         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6065         defined in a dynamic object and referenced by a regular object,
6066         set is_needed for the dynamic object.
6067         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6068         if the file is marked with as_needed and it is not needed.
6069
6070 2009-11-04  Ian Lance Taylor  <iant@google.com>
6071
6072         PR 10887
6073         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6074         tags if data is discarded by linker script.
6075         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6076         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6077         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6078         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6079
6080 2009-11-04  Ian Lance Taylor  <iant@google.com>
6081
6082         * layout.cc (Layout::get_output_section): Add is_interp and
6083         is_dynamic_linker_section parameters.  Change all callers.
6084         (Layout::choose_output_section): Likewise.
6085         (Layout::make_output_section): Likewise.
6086         (Layout::add_output_section_data): Add is_dynamic_linker_section
6087         parameter.  Change all callers.
6088         * layout.h (class Layout): Update declarations.
6089         * output.h (class Output_section): Add is_interp, set_is_interp,
6090         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6091         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6092         generate_code_fills_at_write_ to a bitfield.
6093         * output.cc (Output_section::Output_sections): Initialize new
6094         fields.
6095         (Output_segment::add_output_section): Add do_sort parameter.
6096         Change all callers.
6097
6098 2009-11-03  Ian Lance Taylor  <iant@google.com>
6099
6100         PR 10860
6101         * options.h (class General_options): Add --warn-common.
6102         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6103         merging two common symbols.
6104         (Symbol_table::should_override): Handle --warn-common when merging
6105         a common symbol with a defined symbol.  Use report_resolve_problem
6106         for multiple definitions.
6107         (Symbol_table::report_resolve_problem): New function.
6108         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6109
6110 2009-11-03  Doug Kwan  <dougkwan@google.com>
6111
6112         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6113         stub_factory_.
6114         (Target_arm::stub_factory): New method definition.
6115         (Target_arm::new_arm_input_section,
6116         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6117         Target_arm::reloc_uses_thumb_bit): New method declarations.
6118         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6119         New type definitions.
6120         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6121         member declarations.
6122         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6123         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6124         New method definitions.
6125
6126 2009-11-03  Ian Lance Taylor  <iant@google.com>
6127
6128         * options.h (class General_options): Add --warn_constructors.
6129
6130 2009-11-03  Ian Lance Taylor  <iant@google.com>
6131
6132         PR 10893
6133         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6134         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6135
6136 2009-11-03  Ian Lance Taylor  <iant@google.com>
6137
6138         PR 10895
6139         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6140         --msgid-bugs-address.
6141         (install-pdf): New target.
6142         (install-data_yes): Look up one directory to find mkinstalldirs.
6143
6144 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6145
6146         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6147         tree.
6148
6149 2009-10-30  Doug Kwan  <dougkwan@google.com>
6150
6151         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6152
6153 2009-10-30  Doug Kwan  <dougkwan@google.com>
6154
6155         * arm.cc (Stub_addend_reader): New struct template definition
6156         and partial specializations.
6157         (Stub_addend_reader::operator()): New method definition for a
6158         partially specialized template.
6159
6160 2009-10-30  Doug Kwan  <dougkwan@google.com>
6161
6162         * arm.cc (Arm_relobj::processor_specific_flags): New method
6163         definition.
6164         (Arm_relobj::do_read_symbols): New method declaration.
6165         (Arm_relobj::processor_specific_flags_): New data member declaration.
6166         (Arm_dynobj): New class definition.
6167         (Target_arm::do_finalize_sections): Add input_objects parameter.
6168         (Target_arm::do_adjust_elf_header): New method declaration.
6169         (Target_arm::are_eabi_versions_compatible,
6170         (Target_arm::merge_processor_specific_flags): New method declaration.
6171         (Target_arm::do_make_elf_object): New overloaded method definitions
6172         and declaration.
6173         (Arm_relobj::do_read_symbols): New method definition.
6174         (Arm_dynobj::do_read_symbols): Ditto.
6175         (Target_arm::do_finalize_sections): Add input_objects parameters.
6176         Merge processor-specific flags from all input objects.
6177         (Target_arm::are_eabi_versions_compatible,
6178         Target_arm::merge_processor_specific_flags,
6179         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6180         New method definitions.
6181         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6182         Input_objects pointer type parameter.
6183         * layout.cc (Layout::finalize): Pass input objects to target's.
6184         finalize_sections function.
6185         * output.cc (Output_file_header::do_sized_write): Set ELF file
6186         header's processor-specific flags.
6187         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6188         Input_objects pointer type parameter.
6189         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6190         * target.h (Input_objects): New forward class declaration.
6191         (Target::processor_specific_flags,
6192         Target::are_processor_specific_flags_sect): New method definitions.
6193         (Target::finalize_sections): Add input_objects parameter.
6194         (Target::Target): Initialize processor_specific_flags_ and
6195         are_processor_specific_flags_set_.
6196         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6197         parameter.
6198         (Target::set_processor_specific_flags): New method definition.
6199         (Target::processor_specific_flags_,
6200         Target::are_processor_specific_flags_set_): New data member
6201         declarations.
6202         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6203         Input_objects pointer type parameter.
6204
6205 2009-10-30  Doug Kwan  <dougkwan@google.com>
6206
6207         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6208
6209 2009-10-28  Ian Lance Taylor  <iant@google.com>
6210
6211         * object.h (class Relobj): Drop options parameter from
6212         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6213         do_scan_relocs, do_relocate.  Change all callers.
6214         (class Sized_relobj): Drop options parameters from
6215         do_gc_process_relocs, do_scan_relocs, do_relocate,
6216         do_relocate_sections, relocate_sections, emit_relocs_scan,
6217         emit_relocs_scan_reltype.  Change all callers.
6218         (struct Relocate_info): Remove options field and all references to
6219         it.
6220         * reloc.h (class Read_relocs): Remove options constructor
6221         parameter and options_ field.  Change all callers.
6222         (class Gc_process_relocs, class Scan_relocs): Likewise.
6223         (class Relocate_task): Likewise.
6224         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6225         all callers.
6226         (scan_relocatable_relocs): Likewise.
6227         * target.h (class Sized_target): Remove options parameter from
6228         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6229         all callers.
6230         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6231         callers.
6232         * arm.cc: Update functions to remove options parameters.
6233         * i386.cc: Likewise.
6234         * powerpc.cc: Likewise.
6235         * sparc.cc: Likewise.
6236         * x86_64.cc: Likewise.
6237         * testsuite/testfile.cc: Likewise.
6238
6239 2009-10-28  Doug Kwan  <dougkwan@google.com>
6240
6241         * arm.cc (Arm_relobj): New class definition.
6242         (Arm_relobj::scan_sections_for_stubs,
6243         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6244         New method definitions.
6245
6246 2009-10-28  Cary Coutant  <ccoutant@google.com>
6247
6248         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6249         (Plugin::cleanup_done_): New member.
6250         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6251         (Plugin_manager::cleanup_done_): Remove.
6252         (Plugin_manager::add_input_file): Edit error message.
6253         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6254         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6255
6256 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6257
6258         * fileread.cc: (File_read::View::~View): Use the new
6259         data_ownership_ filed.
6260         (File_read::~File_read): Dispose the new whole_file_view_.
6261         (File_read::open): Mmap the whole file if needed.
6262         (File_read::open): Use whole_file_view_ instead of contents_.
6263         (File_read::find_view): Use whole_file_view_ if applicable.
6264         (File_read::do_read): Use whole_file_view_ instead of contents_.
6265         (File_read::make_view): Use whole_file_view_ instead of contents_,
6266         update File_read::View::View call.
6267         (File_read::find_or_make_view): Update File_read::View::View
6268         call.
6269         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6270         remove contents_
6271         (File_read::View::Data_ownership): New enum.
6272         (File_read::View::View): Replace bool mapped_ with Data_ownership
6273         argument.
6274         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6275         (File_read::View::data_ownership_): New field.
6276         (File_read::contents_): Remove (replaced by whole_file_view_).
6277         (File_read::whole_file_view_): New field.
6278         * options.h (class General_options): Add --keep-files-mapped.
6279
6280 2009-10-27  Cary Coutant  <ccoutant@google.com>
6281
6282         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6283         * testsuite/Makefile.am (plugin_test_5): New test case.
6284         * testsuite/Makefile.in: Regenerate.
6285
6286 2009-10-25  Doug Kwan  <dougkwan@google.com>
6287
6288         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6289         from private to protected to allow access by child class.
6290         (Sized_relobj::do_relocate_sections): New method declaration.
6291         (Sized_relobj::relocate_sections): Virtualize.
6292         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6293         Sized_relobj::relocate_sections.  Instantiate template explicitly
6294         for different target sizes and endianity.
6295
6296 2009-10-24  Doug Kwan  <dougkwan@google.com>
6297
6298         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6299         (Arm_input_section::as_arm_input_section): New method.
6300         (Arm_output_section): New class definition.
6301         (Arm_output_section::create_stub_group,
6302         Arm_output_section::group_sections): New method definitions.
6303
6304 2009-10-22  Doug Kwan  <dougkwan@google.com>
6305
6306         * arm.cc (Arm_input_section): New class definition.
6307         (Arm_input_section::init, Arm_input_section:do_write,
6308         Arm_input_section::set_final_data_size,
6309         Arm_input_section::do_reset_address_and_file_offset): New method
6310         definitions.
6311
6312 2009-10-21  Doug Kwan  <dougkwan@google.com>
6313
6314         * arm.cc (Stub_table, Arm_input_section): New forward class
6315         declarations.
6316         (Stub_table): New class defintion.
6317         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6318         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6319         New method definition.
6320
6321 2009-10-21  Doug Kwan  <dougkwan@google.com>
6322
6323         * arm.cc: Update copyright comments.
6324         (Target_arm): New forward class template declaration.
6325         (Arm_address): New type.
6326         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6327         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6328         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6329         constants.
6330         (Insn_template): Same.
6331         (DEF_STUBS): New macro.
6332         (Stub_type): New enum type.
6333         (Stub_template): New class definition.
6334         (Stub): Same.
6335         (Reloc_stub): Same.
6336         (Stub_factory): Same.
6337         (Target_arm::Target_arm): Initialize may_use_blx_ and
6338         should_force_pic_veneer_.
6339         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6340         Target_arm::should_force_pic_veneer,
6341         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6342         Target_arm::using_thumb_only, Target_arm:;default_target): New
6343         method defintions.
6344         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6345         New data member declarations.
6346         (Insn_template::size, Insn_template::alignment): New method defintions.
6347         (Stub_template::Stub_template): New method definition.
6348         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6349         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6350         (Stub_factory::Stub_factory): New method definition.
6351         * gold.h (string_hash): New template.
6352         * output.h (Input_section_specifier::hash_value): Use
6353         gold::string_hash.
6354         (Input_section_specifier::string_hash): Remove.
6355         * stringpool.cc (Stringpool_template::string_hash): Use
6356         gold::string_hash.
6357
6358 2009-10-20  Doug Kwan  <dougkwan@google.com>
6359
6360         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6361         symbols of relaxed input sections.
6362         * output.h (Output_section::find_relaxed_input_section): Make
6363         method public.
6364
6365 2009-10-16  Doug Kwan  <dougkwan@google.com>
6366
6367         * dynobj.cc (Versions::Versions): Initialize version_script_.
6368         Only insert base version symbol definition for a shared object
6369         if version script defines any version versions.
6370         (Versions::define_base_version): New method definition.
6371         (Versions::add_def): Check that base version is not needed.
6372         (Versions::add_need): Define base version lazily.
6373         * dynobj.h (Versions::define_base_version): New method declaration.
6374         (Versions::needs_base_version_): New data member declaration.
6375         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6376         (check_DATA): Add no_version_test.stdout.
6377         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6378         New make rules.
6379         * testsuite/Makefile.in: Regenerate.
6380         * testsuite/no_version_test.c: New file.
6381         * testsuite/no_version_test.sh: Ditto.
6382
6383 2009-10-16  Doug Kwan  <dougkwan@google.com>
6384
6385         * expression.cc (class Segment_start_expression): New class definition.
6386         (Segment_start_expression::value): New method definition.
6387         (script_exp_function_segment_start): Return a new
6388         Segment_start_expression.
6389         * gold/script-c.h (script_saw_segment_start_expression): New function
6390         prototype.
6391         * script-sections.cc (Script_sections::Script_sections): Initialize
6392         SAW_SEGMENT_START_EXPRESSION_ to false.
6393         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6394         and -Tbbs options to specify section addresses if given in
6395         command line and no SEGMENT_START expression is seen in a script.
6396         * script-sections.h (Script_sections::saw_segment_start_expression,
6397         Script_sections::set_saw_segment_start_expression): New method
6398         definition.
6399         (Script_sections::saw_segment_start_expression_): New data member
6400         declaration.
6401         * script.cc (script_saw_segment_start_expression): New function.
6402         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6403         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6404         script_test_7.sh and script_test_8.sh.
6405         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6406         script_test_8.stdout.
6407         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6408         (script_test_6, script_test_6.stdout, script_test_7,
6409         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6410         * Makefile.in: Regenerate.
6411         * testsuite/script_test_6.sh: New file.
6412         * testsuite/script_test_6.t: Same.
6413         * testsuite/script_test_7.sh: Same.
6414         * testsuite/script_test_7.t: Same.
6415         * testsuite/script_test_8.sh: Same.
6416
6417 2009-10-16  Doug Kwan  <dougkwan@google.com>
6418
6419         * output.cc (Output_segment::set_section_list_address): Cast
6420         expressions to unsigned long long type to avoid format warnings.
6421
6422 2009-10-15  Ian Lance Taylor  <iant@google.com>
6423
6424         * script.cc (Script_options::add_symbol_assignment): Always add a
6425         dot assignment to script_sections_.
6426         * script-sections.cc (Script_sections::add_dot_assignment):
6427         Initialize if necessary.
6428
6429         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6430         program headers with no load segment if there is a linker script.
6431
6432         * layout.cc (Layout::set_segment_offsets): Align the file offset
6433         to the segment aligment for -N or -n with no load segment.
6434         * output.cc (Output_segment::add_output_section): Don't crash if
6435         the first section is a TLS section.
6436         (Output_segment::set_section_list_addresses): Print an error
6437         message if the address moves backward in a linker script.
6438         * script-sections.cc
6439         (Output_section_element_input::set_section_addresses): Don't
6440         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6441         (Orphan_output_section::set_section_addresses): Likewise.
6442
6443 2009-10-15  Doug Kwan  <dougkwan@google.com>
6444
6445         * layout.cc (Layout::finish_dynamic_section): Generate tags
6446         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6447         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6448         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6449
6450 2009-10-14  Ian Lance Taylor  <iant@google.com>
6451
6452         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6453         fields.
6454         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6455         data_shdr fields of relinfo.
6456         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6457         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6458         R_386_TLS_LDO_32, adjust based on section flags.
6459         (Target_i386::Relocate::fix_up_ldo): Remove.
6460
6461 2009-10-13  Ian Lance Taylor  <iant@google.com>
6462
6463         Add support for -pie.
6464         * options.h (class General_options): Add -pie and
6465         --pic-executable.
6466         (General_options::output_is_position_independent): Test -pie.
6467         (General_options::output_is_executable): Return true if not shared
6468         and not relocatable.
6469         (General_options::output_is_pie): Remove.
6470         * options.cc (General_options::finalize): Reject incompatible uses
6471         of -pie.
6472         * gold.cc (queue_middle_tasks): A -pie link is not static.
6473         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6474         * symtab.cc (Symbol::final_value_is_known): Return false if
6475         output_is_position_independent.
6476         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6477         output_is_position_independent.
6478         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6479         output_is_position_independent.
6480         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6481         output_is_position_independent.
6482         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6483         two_file_pie_test.
6484         (basic_pie_test.o, basic_pie_test): New targets.
6485         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6486         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6487         (two_file_pie_test): New target.
6488         * testsuite/Makefile.in: Rebuild.
6489         * README: Remove note saying that -pie is not supported.
6490
6491 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6492
6493         * options.h (class General_options): Add -init and -fini.
6494         * layout.cc (Layout::finish_dynamic_section): Emit
6495         given init and fini functions.
6496
6497 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6498
6499         * gc.h (gc_process_relocs): Check if icf is enabled using new
6500         function.
6501         * gold.cc (queue_initial_tasks): Likewise.
6502         (queue_middle_tasks): Likewise.
6503         * object.cc (do_layout): Likewise.
6504         * symtab.cc (is_section_folded): Likewise.
6505         * main.cc (main): Likewise.
6506         * reloc.cc (Read_relocs::run): Likewise.
6507         (Sized_relobj::do_scan_relocs): Likewise.
6508         * icf.cc (is_function_ctor_or_dtor): New function.
6509         (Icf::find_identical_sections): Check if function is ctor or dtor when
6510         safe icf is chosen.
6511         * options.h (General_options::icf): Change option to be an enum.
6512         (Icf_status): New enum.
6513         (icf_enabled): New method.
6514         (icf_safe_folding): New method.
6515         (set_icf_status): New method.
6516         (icf_status_): New variable.
6517         * (options.cc) (General_options::finalize): Set icf_status_.
6518         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6519         icf_test and icf_keep_unique_test to use the --icf enum flag.
6520         * testsuite/icf_safe_test.sh: New file.
6521         * testsuite/icf_safe_test.cc: New file.
6522
6523 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6524
6525         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6526         includes to gc.h and icf.h.
6527         * arm.cc: Include gc.h.
6528         * gold.cc: Likewise.
6529         * i386.cc: Likewise.
6530         * powerpc.cc: Likewise.
6531         * sparc.cc: Likewise.
6532         * x86_64.cc: Likewise.
6533         * gc.h: Include icf.h.
6534
6535 2009-10-11  Ian Lance Taylor  <iant@google.com>
6536
6537         * plugin.cc: Include "gold.h" before other header files.
6538
6539 2009-10-10  Chris Demetriou  <cgd@google.com>
6540
6541         * options.h (Input_file_argument::Input_file_type): New enum.
6542         (Input_file_argument::is_lib_): Replace with...
6543         (Input_file_argument::type_): New member.
6544         (Input_file_argument::Input_file_argument): Take Input_file_type
6545         'type' rather than boolean 'is_lib' as second argument.
6546         (Input_file_argument::is_lib): Use type_.
6547         (Input_file_argument::is_searched_file): New function.
6548         (Input_file_argument::may_need_search): Handle is_searched_file.
6549         * options.cc (General_options::parse_library): Support -l:filename.
6550         (General_options::parse_just_symbols): Update for Input_file_argument
6551         changes.
6552         (Command_line::process): Likewise.
6553         * archive.cc (Archive::get_file_and_offset): Likewise.
6554         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6555         * script.cc (read_script_file, script_add_file): Likewise.
6556         * fileread.cc (Input_file::Input_file): Likewise.
6557         (Input_file::will_search_for): Handle is_searched_file.
6558         (Input_file::open): Likewise.
6559         * readsyms.cc (Read_symbols::get_name): Likewise.
6560         * testsuite/Makefile.am (searched_file_test): New test.
6561         * testsuite/Makefile.in: Regenerate.
6562         * testsuite/searched_file_test.cc: New file.
6563         * testsuite/searched_file_test_lib.cc: New file.
6564
6565 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6566             Ian Lance Taylor  <iant@google.com>
6567
6568         * descriptor.cc: Include <cstdio> and "binary-io.h".
6569         (Descriptors::open): Open the files in binary mode always.
6570         * script.cc (Lex::get_token): Treat \r as whitespace.
6571
6572 2009-10-09  Ian Lance Taylor  <iant@google.com>
6573
6574         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6575
6576 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6577             Ian Lance Taylor  <iant@google.com>
6578
6579         * configure.ac: Check for readv function also.
6580         * fileread.cc (readv): Define if not HAVE_READV.
6581         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6582         does not exist.
6583         * config.in: Regenerate.
6584         * configure: Regenerate.
6585
6586 2009-10-09  Doug Kwan  <dougkwan@google.com>
6587
6588         * layout.cc (Layout::make_output_section): Call target hook to make
6589         ordinary output section.
6590         (Layout::finalize): Adjust parameter list of call the
6591         Target::may_relax().
6592         * layout.h (class Layout::section_list): New method.
6593         * merge.h (Output_merge_base::entsize): Change visibility to public.
6594         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6595         New methods.
6596         (Output_merge_string::do_is_string): New method.
6597         * object.cc (Sized_relobj::do_setup): renamed from
6598         Sized_relobj::set_up.
6599         * object.h (Sized_relobj::adjust_shndx,
6600         Sized_relobj::initializ_input_to_output_maps,
6601         Sized_relobj::free_input_to_output_maps): Change visibilities to
6602         protected.
6603         (Sized_relobj::setup): Virtualize.
6604         (Sized_relobj::do_setup): New method declaration.
6605         (Sized_relobj::invalidate_section_offset,
6606         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6607         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6608         * options.cc (parse_int): New function.
6609         * options.h (parse_int): New declaration.
6610         (DEFINE_int): New macro.
6611         (stub_group_size): New option.
6612         * output.cc (Output_section::Output_section): Initialize memebers
6613         merge_section_map_, merge_section_by_properties_map_,
6614         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6615         (Output_section::add_input_section): Handled deferred code-fill
6616         generation and remove an old comment.
6617         (Output_section::add_relaxed_input_section): New method definition.
6618         (Output_section::add_merge_input_section): Use merge section by
6619         properties map to speed to search.  Update merge section maps
6620         as appropriate.
6621         (Output_section::build_relaxation_map): New method definition.
6622         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6623         Same.
6624         (Output_section::relax_input_section): Renamed to
6625         Output_section::convert_input_sections_to_relaxed_sections and change
6626         interface to take a vector of pointers to relaxed sections.
6627         (Output_section::find_merge_section,
6628         Output_section::find_relaxed_input_section): New method definitions.
6629         (Output_section::is_input_address_mapped,
6630         Output_section::output_offset, Output_section::output_address):
6631         Use output section data maps to speed up searching.
6632         (Output_section::find_starting_output_address): Add comments.
6633         (Output_section::do_write,
6634         Output_section::write_to_postprocessing_buffer): Do code-fill
6635         generation as appropriate.
6636         (Output_section::get_input_sections): Invalidate relaxed input section
6637         map.
6638         (Output_section::restore_states): Adjust type of checkpoint .
6639         Invalidate relaxed input section map.
6640         * output.h (Output_merge_base): New class declaration.
6641         (Input_section_specifier): New class defintion.
6642         (class Output_relaxed_input_section) Change base class to
6643         Output_section_data_build.
6644         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6645         base class initializer.
6646         (Output_section::add_relaxed_input_section): New method declaration.
6647         (Output_section::Input_section): Change visibility to protected.
6648         (Output_section::Input_section::relobj,
6649         Output_section::Input_section::shndx): Handle relaxed input sections.
6650         Output_section::input_sections) Change visibility to protected.  Also
6651         define overload to return a non-const pointer.
6652         (Output_section::Merge_section_properties): New class defintion.
6653         (Output_section::Merge_section_by_properties_map,
6654         Output_section::Output_section_data_by_input_section_map,
6655         Output_section::Relaxation_map): New types.
6656         (Output_section::relax_input_section): Rename method to
6657         Output_section::convert_input_sections_to_relaxed_sections and change
6658         interface to take a vector of relaxed section pointers.
6659         (Output_section::find_merge_section,
6660         Output_section::find_relaxed_input_section,
6661         Output_section::build_relaxation_map,
6662         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6663         New method declarations.
6664         (Output_section::merge_section_map_
6665         Output_section::merge_section_by_properties_map_,
6666         Output_section::relaxed_input_section_map_,
6667         Output_section::is_relaxed_input_section_map_valid_,
6668         Output_section::generate_code_fills_at_write_): New data members.
6669         * script-sections.cc
6670         (Output_section_element_input::set_section_addresses): Call
6671         current_data_size and addralign methods of relaxed input sections.
6672         (Orphan_output_section::set_section_addresses): Call current_data_size
6673         and addralign methods of relaxed input sections.
6674         * symtab.cc (Symbol_table::compute_final_value): Extract template
6675         from the body of Symbol_table::sized_finalize_symbol.
6676         (Symbol_table::sized_finalized_symbol): Call
6677         Symbol_table::compute_final_value.
6678         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6679         (Symbol_table::compute_final_value): New templated method declaration.
6680         * target.cc (Target::do_make_output_section): New method defintion.
6681         * target.h (Target::make_output_section): New method declaration.
6682         (Target::relax): Add more parameters for input objects, symbol table
6683         and layout.  Adjust call to do_relax.
6684         (Target::do_make_output_section): New method declaration.
6685         (Target::do_relax): Add parameters for input objects, symbol table
6686         and layout.
6687
6688 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6689
6690         * pread.c: Include stdio.h.
6691
6692 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6693
6694         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6695         defined.
6696
6697 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6698
6699         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6700         Change read_shndx type to unsigned int.
6701         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6702         int.
6703         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6704         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6705         Change read_shndx type to unsigned int.
6706         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6707         int.
6708         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6709         * layout.cc (Layout::create_symtab_sections): Cast the result of
6710         local_symcount * symsize to off_t in the gold_assert.
6711
6712 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6713
6714         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6715         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6716         R_ARM_BASE_ABS.
6717         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6718         (Arm_relocate_functions::thm_abs5): New function.
6719         (Arm_relocate_functions::abs12): New function.
6720         (Arm_relocate_functions::abs16): New function.
6721         (Arm_relocate_functions::base_abs): New function.
6722         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6723         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6724         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6725         R_ARM_BASE_ABS.
6726         (Scan::global): Likewise.
6727         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6728         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6729         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6730         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6731         R_ARM_BASE_ABS.
6732
6733 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6734
6735         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6736         (Arm_relocate_functions::movt_prel): New function.
6737         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6738         (Arm_relocate_functions::thm_movt_prel): New function.
6739         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6740         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6741         (Scan::global, Relocate::relocate): Likewise.
6742         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6743
6744 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6745
6746         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6747         Incremental_checker.
6748         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6749         unsigned int.
6750         (class Incremental_inputs_header): New class.
6751         (Incremental_inputs_header_writer): Edit comment.
6752         (Incremental_inputs_entry): New class.
6753         (Incremental_inputs_entry_writer): Edit comment.
6754         (Sized_incremental_binary::do_find_incremental_inputs_section):
6755         Add *strtab_shndx parameter, fill it.
6756         (Sized_incremental_binary::do_check_inputs): New method.
6757         (Incremental_checker::can_incrementally_link_output_file): Use
6758         Sized_incremental_binary::check_inputs.
6759         (Incremental_inputs::report_command_line): Save command line in
6760         command_line_.
6761         * incremental.h:
6762         (Incremental_binary::find_incremental_inputs_section): New
6763         method.
6764         (Incremental_binary::do_find_incremental_inputs_section): Add
6765         strtab_shndx parameter.
6766         (Incremental_binary::do_check_inputs): New pure virtual method.
6767         (Sized_incremental_binary::do_check_inputs): Declare.
6768         (Incremental_checker::Incremental_checker): Add incremental_inputs
6769         parameter, use it to initialize incremental_inputs_.
6770         (Incremental_checker::incremental_inputs_): New field.
6771         (Incremental_checker::command_line): New method.
6772         (Incremental_checker::inputs): New method.
6773         (Incremental_checker::command_line_): New field.
6774
6775 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6776
6777         * incremental.cc: Include <cstdarg> and "target-select.h".
6778         (vexplain_no_incremental): New function.
6779         (explain_no_incremental): New function.
6780         (Incremental_binary::error): New method.
6781         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6782         method.
6783         (make_sized_incremental_binary): New function.
6784         (open_incremental_binary): New function.
6785         (can_incrementally_link_file): Add checks if output is ELF and has
6786         inputs section.
6787         * incremental.h: Include "elfcpp_file.h" and "output.h".
6788         (Incremental_binary): New class.
6789         (Sized_incremental_binary): New class.
6790         (open_incremental_binary): Declare.
6791         * object.cc (is_elf_object): Use
6792         elfcpp::Elf_recognizer::is_elf_file.
6793         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6794         * output.h (Output_file::filesize): New method.
6795
6796 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6797
6798         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6799         New function.
6800         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6801         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6802         function.
6803         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6804         function.
6805         (Arm_relocate_functions::movw_abs_nc): New function.
6806         (Arm_relocate_functions::movt_abs): New function.
6807         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6808         (Arm_relocate_functions::thm_movt_abs): New function.
6809         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6810         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6811         (Scan::global): Likewise.
6812         (Relocate::relocate): Likewise.
6813         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6814
6815 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6816
6817         * arm.cc (Arm_relocate_functions::got_prel) New function.
6818         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6819         (Relocate::relocate): Likewise.
6820         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6821
6822 2009-10-06  Ian Lance Taylor  <iant@google.com>
6823
6824         * options.h (class General_options): Define
6825         split_stack_adjust_size parameter.
6826         * object.h (class Object): Add uses_split_stack_ and
6827         has_no_split_stack_ fields.  Add uses_split_stack and
6828         has_no_split_stack accessor functions.  Declare
6829         handle_split_stack_section.
6830         (class Reloc_symbol_changes): Define.
6831         (class Sized_relobj): Define Function_offsets.  Declare
6832         split_stack_adjust, split_stack_adjust_reltype, and
6833         find_functions.
6834         * object.cc (Object::handle_split_stack_section): New function.
6835         (Sized_relobj::do_layout): Call handle_split_stack_section.
6836         * dynobj.cc (Sized_dynobj::do_layout): Call
6837         handle_split_stack_section.
6838         * reloc.cc (Sized_relobj::relocate_sections): Call
6839         split_stack_adjust for executable sections in split_stack
6840         objects.  Pass reloc_map to relocate_section.
6841         (Sized_relobj::split_stack_adjust): New function.
6842         (Sized_relobj::split_stack_adjust_reltype): New function.
6843         (Sized_relobj::find_functions): New function.
6844         * target-reloc.h: Include "object.h".
6845         (relocate_section): Add reloc_symbol_changes parameter.  Change
6846         all callers.
6847         * target.h (class Target): Add calls_non_split method.  Declare
6848         do_calls_non_split virtual method.  Declare match_view and
6849         set_view_to_nop.
6850         * target.cc: Include "elfcpp.h".
6851         (Target::do_calls_non_split): New function.
6852         (Target::match_view): New function.
6853         (Target::set_view_to_nop): New function.
6854         * gold.cc (queue_middle_tasks): Give an error if mixing
6855         split-stack and non-split-stack objects with -r.
6856         * i386.cc (Target_i386::relocate_section): Add
6857         reloc_symbol_changes parameter.
6858         (Target_i386::do_calls_non_split): New function.
6859         * x86_64.cc (Target_x86_64::relocate_section): Add
6860         reloc_symbol_changes parameter.
6861         (Target_x86_64::do_calls_non_split): New function.
6862         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6863         parameter.
6864         * powerpc.cc (Target_powerpc::relocate_section): Add
6865         reloc_symbol_changes parameter.
6866         * sparc.cc (Target_sparc::relocate_section): Add
6867         reloc_symbol_changes parameter.
6868         * configure.ac: Call AM_CONDITIONAL for the default target.
6869         * configure: Rebuild.
6870         * testsuite/Makefile.am (TEST_AS): New variable.
6871         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6872         (check_DATA): Add split_i386 and split_x86_64 files.
6873         (SPLIT_DEFSYMS): Define.
6874         (split_i386_[1234n].o): New targets.
6875         (split_i386_[124]): New targets.
6876         (split_i386_[1234r].stdout): New targets.
6877         (split_x86_64_[1234n].o): New targets.
6878         (split_x86_64_[124]): New targets.
6879         (split_x86_64_[1234r].stdout): New targets.
6880         (MOSTLYCLEANFILES): Add new executables.
6881         * testsuite/split_i386.sh: New file.
6882         * testsuite/split_x86_64.sh: New file.
6883         * testsuite/split_i386_1.s: New file.
6884         * testsuite/split_i386_2.s: New file.
6885         * testsuite/split_i386_3.s: New file.
6886         * testsuite/split_i386_4.s: New file.
6887         * testsuite/split_i386_n.s: New file.
6888         * testsuite/split_x86_64_1.s: New file.
6889         * testsuite/split_x86_64_2.s: New file.
6890         * testsuite/split_x86_64_3.s: New file.
6891         * testsuite/split_x86_64_4.s: New file.
6892         * testsuite/split_x86_64_n.s: New file.
6893         * testsuite/testfile.cc (Target_test): Update relocation_section
6894         function.
6895         * testsuite/Makefile.in: Rebuild.
6896
6897 2009-10-06  Ian Lance Taylor  <iant@google.com>
6898
6899         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6900         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6901         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6902         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6903         the address on ldo_addrs_.
6904         (Target_i386::Relocate::fix_up_ldo): New function.
6905
6906 2009-10-06   Rafael Espindola  <espindola@google.com>
6907
6908         * plugin.cc (add_input_library): New.
6909         (Plugin::load): Add add_input_library to tv.
6910         (Plugin_manager::add_input_file): Add the is_lib argument.
6911         (add_input_file): Update call to Plugin_manager::add_input_file.
6912         (add_input_library): New.
6913         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6914
6915 2009-09-30  Doug Kwan  <dougkwan@google.com>
6916
6917         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6918         symbol and call Symbol::may_need_copy_reloc to determine if
6919         a copy reloc is needed.
6920         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6921         nocopyreloc is given in command line.
6922         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6923         given in command line.
6924         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6925         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6926         of the removed Target_i386::may_need_copy_reloc.
6927         * options.h (copyreloc): New option with default value false.
6928         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6929         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6930         instead of the removed Target_powerpc::may_need_copy_reloc.
6931         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6932         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6933         instead of the removed Target_sparc::may_need_copy_reloc.
6934         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6935         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6936         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6937         instead of the removed Target_x86_64::may_need_copy_reloc.
6938
6939 2009-09-30  Ian Lance Taylor  <iant@google.com>
6940
6941         * object.h (class Object): Remove target_ field, and target,
6942         sized_target, and set_target methods.
6943         (Object::sized_target): Remove.
6944         (class Sized_relobj): Update declarations.  Remove sized_target.
6945         * object.cc (Sized_relobj::setup): Remove target parameter.
6946         Change all callers.
6947         (Input_objects::add_object): Don't do anything with the target.
6948         (make_elf_sized_object): Add punconfigured parameter.  Change all
6949         callers.  Set or test parameter target.
6950         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6951         Change all callers.
6952         * parameters.cc (Parameters::set_target): Change parameter type to
6953         be non-const.
6954         (Parameters::default_target): Remove.
6955         (set_parameters_target): Change parameter type to be non-const.
6956         (parameters_force_valid_target): New function.
6957         (parameters_clear_target): New function.
6958         * parameters.h (class Parameters): Update declarations.  Remove
6959         default_target method.  Add sized_target and clear_target
6960         methods.  Change target_ to be non-const.
6961         (set_parameters_target): Update declaration.
6962         (parameters_force_valid_target): Declare.
6963         (parameters_clear_target): Declare.
6964         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6965         as NULL if we aren't searching.
6966         (Add_symbols::run): Don't check for compatible target.
6967         * fileread.cc (Input_file::open_binary): Call
6968         parameters_force_valid_target.
6969         * gold.cc (queue_middle_tasks): Likewise.
6970         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6971         set_target on object.
6972         * dynobj.h (class Sized_dynobj): Update declarations.
6973         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6974         make_elf_object returns NULL.
6975         (Archive::include_member): Don't check whether object target is
6976         compatible.
6977         * output.cc (Output_section::add_input_section): Get target from
6978         parameters.
6979         (Output_section::relax_input_section): Likewise.
6980         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6981         parameters.
6982         (Sized_relobj::do_scan_relocs): Likewise.
6983         (Sized_relobj::relocate_sections): Likewise.
6984         * resolve.cc (Symbol_table::resolve): Likewise.
6985         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6986         parameter.  Change all callers.
6987         (Symbol_table::add_from_object): Get target from parameters.
6988         (Symbol_table::add_from_relobj): Don't check object target.
6989         (Symbol_table::add_from_dynobj): Likewise.
6990         (Symbol_table::define_special_symbol): Get target from
6991         parameters.
6992         * symtab.h (class Symbol_table): Update declaration.
6993         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6994         parameter.  Change all callers.  Clear parameter target.
6995         (Binary_test): Test target here.
6996         * testsuite/object_unittest.cc (gold_testsuite): Remove
6997         target_test_pointer parameter.  Change all callers.
6998         (Object_test): Test target here.
6999
7000 2009-09-26  Ian Lance Taylor  <iant@google.com>
7001
7002         * testsuite/initpri1.c: Don't try to use constructor priorities if
7003         compiling with gcc before 4.3.
7004
7005 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7006
7007         * testsuite/retain_symbols_file_test.sh (check_present): Change
7008         output file name to retain_symbols_file_test.stdout.
7009         (check_absent): Likewise.
7010
7011 2009-09-18  Craig Silverstein  <csilvers@google.com>
7012
7013         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7014         * options.cc: Include <cerrno> and <fstream>.
7015         (General_options::finalize): Parse -retain-symbols-file tag.
7016         * options.h: New flag.
7017         (General_options): New method should_retain_symbol, new
7018         variable symbols_to_retain.
7019         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7020         should_retain_symbol map.
7021         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7022         * testsuite/Makefile.in: Regenerate.
7023         * testsuite/retain_symbols_file_test.sh: New file.
7024
7025 2009-09-18  Nick Clifton  <nickc@redhat.com>
7026
7027         * po/es.po: Updated Spanish translation.
7028
7029 2009-09-17  Doug Kwan  <dougkwan@google.com>
7030
7031         * debug.h (DEBUG_RELAXATION): New constant.
7032         (DEBUG_ALL): Add DEBUG_RELAXATION.
7033         (debug_string_to_enum): Add relaxation debug option.
7034         * layout.cc
7035         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7036         Layout::Relaxation_debug_check::read_sections,
7037         Layout::Relaxation_debug_check::read_sections): New method definitions.
7038         (Layout::Layout): Initialize data members
7039         record_output_section_data_from_scrips_,
7040         script_output_section_data_list_ and relaxation_debug_check_.
7041         (Layout::save_segments, Layout::restore_segments,
7042         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7043         Layout::relaxation_loop_body): New method definitions.
7044         (Layout::finalize): Support relaxation.  Move section layout code to
7045         Layout::relaxation_loop_body.
7046         (Layout::set_asection_address_from_script): Move code for orphan
7047         section placement out.
7048         (Layout::place_orphan_sections_in_script): New method definition.
7049         * layout.h (Output_segment_headers, Output_file_header):
7050         New forward class declarations.
7051         (Layout::~Layout): Define.
7052         (Layout::new_output_section_data_from_script): New method definition.
7053         (Layout::place_orphan_sections_in_script): New method declaration.
7054         (Layout::Segment_states): New type declaration.
7055         (Layout::save_segments, Layout::restore_segments,
7056         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7057         Layout::relaxation_loop_body): New method declarations.
7058         (Layout::Output_section_data_list): New type declaration.
7059         (Layout::Relaxation_debug_check): New class definition.
7060         (Layout::record_output_section_data_from_script_,
7061         Layout::script_output_section_data_list_, Layout::segment_states_,
7062         Layout::relaxation_debug_check_): New data members.
7063         * output.cc: (Output_section_headers::do_size): New method definition.
7064         (Output_section_headers::Output_section_headers): Move size
7065         computation to Output_section_headers::do_size.
7066         (Output_segment_headers::do_size): New method definition.
7067         (Output_file_header::Output_file_header): Move size computation to
7068         Output_file_header::do_size and call it.
7069         (Output_file_header::do_size): New method definition.
7070         (Output_data_group::Output_data_group): Adjust call to
7071         Output_section_data.
7072         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7073         (Output_symtab_xindex::do_write): Add array bound check.
7074         (Output_section::Input_section::print_to_mapfile): Handle
7075         RELAXED_INPUT_SECTION_CODE.
7076         (Output_section::Output_section): Initialize data member checkpoint_.
7077         (Output_section::~Output_section): Delete checkpoint object pointed
7078         by checkpoint_.
7079         (Output_section::add_input_section): Always add an Input_section if
7080         relaxing.
7081         (Output_section::add_merge_input_section): Add assert.
7082         (Output_section::relax_input_section): New method definition.
7083         (Output_section::set_final_data_size): Set load address to zero for
7084         an unallocated section.
7085         (Output_section::do_address_and_file_offset_have_reset_values):
7086         New method definition.
7087         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7088         Handle relaxed input section.
7089         (Output_section::sort_attached_input_sections): Checkpoint input
7090         section list lazily.
7091         (Output_section::get_input_sections): Change type of input_sections to
7092         list of Simple_input_section pointers.  Checkpoint input section list
7093         lazily.  Also handle relaxed input sections.
7094         (Output_section::add_input_section_for_script): Take a reference to
7095         a Simple_input_section object instead of Relobj pointer and section
7096         index as parameter.  Handle relaxed input sections.
7097         (Output_section::save_states, Output_section::restore_states): New
7098         method definitions.
7099         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7100         (Output_data::is_data_size_fixed): New method definition.
7101         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7102         if it is fixed.
7103         (Output_data::address_and_file_offset_have_reset_values): New method
7104         definition.
7105         (Output_data::do_address_and_file_offset_have_reset_values): New method
7106         definition.
7107         (Output_data::set_data_size): Check that data size is not fixed.
7108         (Output_data::fix_data_size): New method definition.
7109         (Output_data::is_data_size_fixed_): New data member.
7110         (Output_section_headers::set_final_data_size): New method definition.
7111         (Output_section_headers::do_size): New method declaration.
7112         (Output_segment_headers::set_final_data_size): New method definition.
7113         (Output_segment_headers::do_size): New method declaration.
7114         (Output_file_header::set_final_data_size)::New method definition.
7115         (Output_file_header::do_size)::New method declaration.
7116         (Output_section_data::Output_section_data): Add new parameter
7117         is_data_size_fixed and use it to fix data size.
7118         (Output_data_const::Output_data_const): Adjust call to base class
7119         constructor and fix data size.
7120         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7121         base class constructor and fix data size.
7122         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7123         base class constructor and fix data size.
7124         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7125         class constructor and fix data size.
7126         (Output_data_group::set_final_data_size): New method definition.
7127         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7128         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7129         class constructor and fix data size.
7130         (Output_relaxed_input_section): New class definition.
7131         (Output_section::Simple_input_section): New class definition.
7132         (Output_section::get_input_sections): Adjust parameter list.
7133         (Output_section::add_input_section_for_script): Same.
7134         (Output_section::save_states, Output_section::restore_states,
7135         Output_section::do_address_and_file_offset_have_reset_values,
7136         (Output_section::Input_section::Input_section): Handle
7137         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7138         Output_relaxed_input_section.
7139         (Output_section::Input_section::is_input_section,
7140         Output_section::Input_section::set_output_section): Handle relaxed
7141         input section.
7142         (Output_section::Input_section::is_relaxed_input_section,
7143         Output_section::Input_section::output_section_data,
7144         Output_section::Input_section::relaxed_input_section): New method
7145         definitions.
7146         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7147         value.
7148         (Output_section::Input_section::u1_): Update comments.
7149         (Output_section::Input_section::u2_): Add new union member poris.
7150         (Output_section::Checkpoint_output_section): New classs definition.
7151         (Output_section::relax_input_section): New method declaration.
7152         (Output_section::checkpoint_): New data member.
7153         (Output_segment): Update comments.
7154         (Output_segment::Output_segment): Un-privatize copy constructor.
7155         (Output_segment::operator=): Un-privatize.
7156         * script-sections.cc (Output_section_element::Input_section_list):
7157         Change element type to Output_section::Simple_input_section.
7158         (Output_section_element_dot_assignment::set_section_addresses):
7159         Register output section data for relaxation clean up.
7160         (Output_data_exression::Output_data_expression): Adjust call to base
7161         constructor to fix data size.
7162         (Output_section_element_data::set_section_addresses): Register
7163         Output_data_expression object for relaxation clean up.
7164         (struct Input_section_info): Replace Relobj pointer and section index
7165         pair with Output_section::Simple_input_section and Convert struct to a
7166         class.
7167         (Input_section_sorter::operator()): Adjust access to
7168         Input_section_info data member to use accessors.
7169         (Output_section_element_input::set_section_addresses): Use layout
7170         parameter.  Adjust code to use Output_section::Simple_input_section
7171         and Input_secction_info classes.  Register filler for relaxation
7172         clean up.
7173         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7174         and section index pair with Output_section::Simple_input_section
7175         class.  Adjust code accordingly.
7176         (Phdrs_element::release_segment): New method definition.
7177         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7178         segment list.
7179         (Script_sections::release_segments): New method definition.
7180         * gold/script-sections.h (Script_sections::release_segments): New
7181         method declaration.
7182         * gold/target.h (Target::may_relax, Target::relax,
7183         Target::do_may_relax, Target::do_relax): New method definitions.
7184
7185 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7186
7187         * arm.cc (has_signed_unsigned_overflow): New function.
7188         (Arm_relocate_functions::abs8): New function.
7189         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7190         (Target_arm::Scan::global): Likewise.
7191         (Target_arm::relocate::relocate): Likewise.
7192         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7193         Likewise.
7194
7195 2009-09-16  Cary Coutant  <ccoutant@google.com>
7196
7197         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7198         * testsuite/Makefile.in: Regenerate.
7199
7200 2009-09-11  Nick Clifton  <nickc@redhat.com>
7201
7202         * po/gold.pot: Updated by the Translation project.
7203
7204 2009-09-08  Cary Coutant  <ccoutant@google.com>
7205
7206         * output.cc (Output_file::open): Add execute permission to empty file.
7207         * testsuite/Makefile.am (permission_test): New test.
7208         * testsuite/Makefile.in: Regenerate.
7209
7210 2009-09-02  Ian Lance Taylor  <iant@google.com>
7211
7212         * output.cc (Output_file::resize): Call map_no_anonymous rather
7213         than map.
7214
7215 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7216
7217         * gold.cc: Include "incremental.h".
7218         (queue_initial_tasks): Call Incremental_checker methods.
7219         * incremental.cc: Include "output.h".
7220         (Incremental_checker::can_incrementally_link_output_file): New
7221         method.
7222         * incremental.h (Incremental_checker): New class.
7223
7224         * output.cc (Output_file::open_for_modification): New method.
7225         (Output_file::map_anonymous): Changed return type to bool.  Record
7226         map in base_ field.
7227         (Output_file::map_no_anonymous): New method, broken out of map.
7228         (Output_file::map): Use map_no_anonymous and map_anonymous.
7229         * output.h (class Output_file): Update declarations.
7230
7231 2009-08-24  Cary Coutant  <ccoutant@google.com>
7232
7233         * options.h (Command_line::Pre_options): New class.
7234         (Command_line::pre_options): New member.
7235         * options.cc (gold::options::ready_to_register): New variable.
7236         (One_option::register_option): Do nothing if not registering options.
7237         Assert if same short option registered twice.
7238         (General_options::General_options): Turn off option registration when
7239         done constructing.
7240         (Command_line::Pre_options::Pre_options): New constructor.
7241
7242 2009-08-24  Cary Coutant  <ccoutant@google.com>
7243
7244         * options.h (General_options::no_keep_memory): Remove incorrect
7245         short option.
7246
7247 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7248
7249         * Makefile.am (am__skiplex, am__skipyacc): New.
7250         * Makefile.in: Regenerate.
7251
7252 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7253
7254         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7255         (INCLUDES): ... this.
7256         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7257         (AM_CPPFLAGS): Renamed from ...
7258         (INCLUDE): ... this.
7259         * Makefile.in, testsuite/Makefile.in: Regenerate.
7260
7261         * Makefile.in: Regenerate.
7262         * aclocal.m4: Likewise.
7263         * config.in: Likewise.
7264         * configure: Likewise.
7265         * testsuite/Makefile.in: Likewise.
7266
7267         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7268         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7269         * Makefile.in: Regenerate.
7270         * testsuite/Makefile.in: Regenerate.
7271
7272 2009-08-19  Cary Coutant  <ccoutant@google.com>
7273
7274         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7275         symbols in shared libraries overridden by hidden or internal symbols
7276         in the main program.
7277
7278 2009-08-19  Chris Demetriou  <cgd@google.com>
7279
7280         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7281         checking source file names in error messages.
7282
7283 2009-08-18  Doug Kwan  <dougkwan@google.com>
7284
7285         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7286         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7287         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7288         an elfcpp::Ehdr as parameter.
7289         * object.cc (Object::set_target): Remove the version that looks up
7290         a target and sets it.
7291         (Sized_relobj::setup): Take a Target object instead of
7292         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7293         (make_elf_sized_object): Find target and ask target to
7294         make an ELF object.
7295         * object.h: (Object::set_target): Remove the version that looks up
7296         a target and sets it.
7297         (Sized_relobj::setup): Take a Target object instead of
7298         an elfcpp:Ehdr as parameter.
7299         * target.cc: Include dynobj.h.
7300         (Target::do_make_elf_object_implementation): New.
7301         (Target::do_make_elf_object): New.
7302         * target.h (Target::make_elf_object): New template declaration.
7303         (Target::do_make_elf_object): New method declarations.
7304         (Target::do_make_elf_object_implementation): New template declaration.
7305
7306 2009-08-14  Ian Lance Taylor  <iant@google.com>
7307
7308         * gold.h (FUNCTION_NAME): Define.
7309         (gold_unreachable): Use FUNCTION_NAME.
7310
7311 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7312
7313         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7314         symbol in the --keep-unique list is not found.
7315
7316 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7317
7318         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7319         been maked as --keep-unique.
7320         (Icf::unfold_section): New function.
7321         * icf.h (Icf::unfold_section): New function.
7322         * options.h (General_options::keep_unique): New option.
7323         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7324         * testsuite/Makefile.in: Regenerate.
7325         * testsuite/icf_keep_unique_test.sh: New file.
7326         * testsuite/icf_keep_unique_test.cc: New file.
7327
7328 2009-08-12  Cary Coutant  <ccoutant@google.com>
7329
7330         PR 10471
7331         * resolve.cc (Symbol_table::resolve): Check for references from
7332         dynamic objects to hidden and internal symbols.
7333         * testsuite/Makefile.am (hidden_test.sh): New test.
7334         * testsuite/Makefile.in: Regenerate.
7335         * testsuite/hidden_test.sh: New script.
7336         * testsuite/hidden_test_1.c: New test source.
7337         * testsuite/hidden_test_main.c: New test source.
7338
7339 2009-08-11  Doug Kwan  <dougkwan@google.com>
7340
7341         * arm.cc: Update comments.
7342         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7343         segment to locate the .ARM.exidx section if present.
7344
7345 2009-08-09  Doug Kwan  <dougkwan@google.com>
7346
7347         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7348         patch.
7349
7350 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7351         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7352         compiler warnings.
7353
7354 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7355
7356         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7357         valid tls_segment only for non-debug-section relocations.
7358         * testsuite/Makefile.am: Add gc_tls_test.
7359         * testsuite/Makefile.in: Regenerate.
7360         * testsuite/gc_tls_test.cc: New file.
7361         * testsuite/gc_tls_test.sh: New file.
7362
7363 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7364
7365         * icf.cc: New file.
7366         * icf.h: New file.
7367         * Makefile.am (CCFILES): Add icf.cc.
7368         (HFILES): Add icf.h
7369         * Makefile.in: Regenerate.
7370         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7371         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7372         section, symbol and addend information for the relocs.
7373         * gold.cc (queue_middle_tasks): Call identical code folding.
7374         * gold.h: Add defines for multimap.
7375         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7376         to the call of finalize_local_symbols.
7377         * main.cc (main): Create object of class Icf.
7378         * object.cc (Sized_relobj::do_layout): Allow this function to be
7379         called twice during icf.
7380         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7381         to sections marked as identical by icf.
7382         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7383         when available.
7384         (Sized_relobj::do_section_entsize): New function.
7385         * object.h (Object::section_entsize): New function.
7386         (Object::do_section_entsize): New pure virtual function.
7387         (Relobj::finalize_local_symbols): Add new parameter.
7388         (Relobj::do_section_entsize): New function.
7389         * options.h (General_options::icf): New option.
7390         (General_options::icf_iterations): New option.
7391         (General_options::print_icf_sections): New option.
7392         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7393         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7394         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7395         icf.
7396         * symtab.cc (Symbol_table::is_section_folded): New function.
7397         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7398         to sections marked as identical by icf.
7399         * symtab.h (Symbol_table::set_icf): New function.
7400         (Symbol_table::icf): New function.
7401         (Symbol_table::is_section_folded): New function.
7402         (Symbol_table::icf_): New data member.
7403         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7404         * testsuite/Makefile.am: Add commands to build icf_test.
7405         * testsuite/Makefile.in: Regenerate.
7406         * testsuite/icf_test.sh: New file.
7407         * testsuite/icf_test.cc: New file.
7408
7409 2009-07-24  Chris Demetriou  <cgd@google.com>
7410
7411         * layout.cc (is_compressible_debug_section): Fix incorrect
7412         comment about compressed section names.
7413
7414 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7415
7416         PR 10419
7417         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7418
7419 2009-07-16  Ian Lance Taylor  <iant@google.com>
7420
7421         PR 10400
7422         * layout.h: #include <map>.
7423         (class Kept_section): Change from struct to class.  Add accessors
7424         and setters.  Add section size to Comdat_group mapping.  Change
7425         Comdat_group to std::map.  Add is_comdat_ field.  Add
7426         linkonce_size field in union.
7427         (class Layout): Update declaration of find_or_add_kept_section.
7428         Don't declare find_kept_object.
7429         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7430         parameter.  Add object, shndx, is_comdat, and is_group_name
7431         parameters.  Change all callers.  Adjust for new Kept_section.
7432         (Layout::find_kept_object): Remove.
7433         * object.cc (Sized_relobj::include_section_group): Update use of
7434         Kept_section.  Rename secnum to shndx.  Only record
7435         Kept_comdat_section if sections are the same size.
7436         (Sized_relobj::include_linkonce_section): Update use of
7437         Kept_section.  Only record Kept_comdat_section if sections are the
7438         same size.  Set size of linkonce section.
7439         (Sized_relobj::map_to_kept_section): Update call to
7440         get_kept_comdat_section.
7441         * object.h (class Sized_relobj): Rename fields in
7442         Kept_comdat_section to drop trailing underscores; change object
7443         field to Relobj*.  Change Kept_comdat_section_table to store
7444         struct rather than pointer.
7445         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7446         Add kept_object and kept_shndx parameters.  Change all callers.
7447         (Sized_relobj::get_kept_comdat_section): Change return type to
7448         bool.  Add kept_object and kept_shndx parameters.  Change all
7449         callers.
7450         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7451         Layout::find_or_add_kept_section.
7452
7453 2009-07-09  Ian Lance Taylor  <iant@google.com>
7454
7455         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7456         Reserve space in the hash table.
7457
7458 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7459
7460         * fileread.cc (File_read::get_mtime): New method.
7461         * fileread.h (Timespec): New structure.
7462         (File_read::get_mtime): New method.
7463         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7464         Renamed from timestamp_nsec.
7465         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7466         Elf_Xword.
7467         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7468         timestamp_nsec.
7469         (Incremental_inputs::report_archive): Save mtime; style fix.
7470         (Incremental_inputs::report_obejct): Save mtime; style fix.
7471         (Incremental_inputs::report_script): Save mtime; style fix.
7472         (Incremental_inputs::finalize_inputs): Style fix.
7473         (Incremental_inputs::finalize): Style fix.
7474         (Incremental_inputs::create_input_section_data): Store inputs
7475         mtime.
7476         * incremental.h (Incremental_inputs::report_script): Add mtime
7477         argument.
7478         (Incremental_inputs::Input_info::Input_info): Intialize only one
7479         union member.
7480         (Incremental_inputs::Input_info::archive): Move to nameless
7481         union.
7482         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7483         (Incremental_inputs::Input_info::script): Move to nameless union.
7484         (Incremental_inputs::mtime): New field.
7485         * script.cc (read_input_script): Pass file mtime to
7486         Incremental_input.
7487         * script.h (Script_info::inputs): Style fix.
7488
7489 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7490
7491         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7492         instead of 32.
7493
7494 2009-06-24  Ian Lance Taylor  <iant@google.com>
7495
7496         PR 10156
7497         * layout.cc (Layout::choose_output_section): If we find an
7498         existing section, update the flags.
7499         (Layout::create_notes): New function, broken out of
7500         Layout::finalize.
7501         (Layout::finalize): Don't create note sections.
7502         (Layout::create_note): Don't crash if linker script discards
7503         section.
7504         (Layout::create_gold_note): Likewise.
7505         (Layout::create_build_id): Likewise.  Don't set
7506         after_input_sections on the section.
7507         (Layout::create_executable_stack_info): Remove target parameter.
7508         Change caller.
7509         * layout.h (class Layout): Declare create_notes.  Update
7510         declaration of create_executable_stack_info.
7511         * gold.cc (queue_middle_tasks): Call create_notes.
7512         * output.cc (Output_section::update_flags_for_input_section): Move
7513         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7514         invalid.
7515         * output.h (Output_data::mark_address_invalid): New function.
7516         (class Output_section): Only declare, not define,
7517         update_flags_for_input_section.  Remove set_flags.
7518
7519 2009-06-24  Ian Lance Taylor  <iant@google.com>
7520
7521         * script-sections.cc (Output_section_definition::
7522         set_section_addresses): Rename shadowing local load_address to
7523         laddr.
7524
7525 2009-06-24  Ian Lance Taylor  <iant@google.com>
7526
7527         PR 10244
7528         * reloc.cc (relocate_sections): Skip empty relocation sections.
7529
7530 2009-06-23  Ian Lance Taylor  <iant@google.com>
7531
7532         PR 10156
7533         * layout.cc (Layout::create_note): Use choose_output_section
7534         rather than make_output_section.
7535
7536 2009-06-23  Ian Lance Taylor  <iant@google.com>
7537
7538         PR 10237
7539         * options.cc (General_options::parse_V): Set printed_version_.
7540         (General_options::General_options): Initialize printed_version_.
7541         * options.h (class General_options): Add printed_version_ field.
7542         * gold.cc (queue_initial_tasks): If there are no input files,
7543         don't give a fatal error if we printed the version information.
7544         (queue_middle_tasks): If using -r with a shared object, give a
7545         fatal error rather than an ordinary error.
7546
7547 2009-06-23  Ian Lance Taylor  <iant@google.com>
7548
7549         PR 10219
7550         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7551         (Layout::make_output_section): Set have_stabstr_section_ if we see
7552         a .stab*str section.
7553         (Layout::finalize): Call link_stabs_sections.
7554         (Layout::link_stabs_sections): New file.
7555         * layout.h (class Layout): Add have_stabstr_section_ field.
7556         Declare link_stabs_sections.
7557
7558 2009-06-23  Doug Kwan  <dougkwan@google.com>
7559
7560         * Makefile.am (libgold_a_LIBADD): New.
7561         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7562         * Makefile.in: Regenerate.
7563         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7564         * configure: Regenerate.
7565         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7566         * fileread.cc: Include sys/state.h
7567         * gold.h: Declare memmem and strndup if found missing.
7568         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7569
7570 2009-06-23  Ian Lance Taylor  <iant@google.com>
7571
7572         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7573         * configure: Rebuild.
7574
7575 2009-06-23  Ian Lance Taylor  <iant@google.com>
7576
7577         PR 10147
7578         * object.cc (Object::section_contents): Don't try to get a view if
7579         the section has length zero.
7580         (Object::handle_gnu_warning_section): If the section is empty, use
7581         the name of the section as the warning.
7582
7583 2009-06-23  Ian Lance Taylor  <iant@google.com>
7584
7585         PR 10133
7586         * stringpool.h (class Stringpool_template): Add optimize_ field.
7587         (Stringpool_template::set_optimize): New function.
7588         * stringpool.cc (Stringpool_template::Stringpool_template):
7589         Initialize optimize_ field.
7590         (Stringpool_template::set_string_offsets): Test local optimize
7591         fild rather than parameter.
7592         * layout.cc (Layout::Layout): Call set_optimize on the section
7593         name stringpool.
7594
7595 2009-06-22  Ian Lance Taylor  <iant@google.com>
7596
7597         PR 10030
7598         * yyscript.y: Parse TARGET.
7599         * script.cc (script_set_target): New function.
7600         * script-c.h (script_set_target): Declare.
7601         * options.cc (General_options::string_to_object_format): Rename
7602         from string_to_object_format in anonymous namespace.  Change
7603         callers.
7604         * options.h (class General_options): Declare
7605         string_to_object_format.
7606
7607 2009-06-22  Ian Lance Taylor  <iant@google.com>
7608
7609         * script-sections.cc (Script_sections::create_segments): Don't put
7610         program headers in a PT_LOAD segment if -n or -N.
7611
7612 2009-06-22  Ian Lance Taylor  <iant@google.com>
7613
7614         PR 10141
7615         * options.h (class General_options): Add -z lazy and -z now.  Sort
7616         -z options into alphabetical order.
7617         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7618
7619 2009-06-21  Ian Lance Taylor  <iant@google.com>
7620
7621         * layout.cc (Layout::make_output_section): Call
7622         Target::new_output_section.
7623         (Layout::attach_allocated_section_to_segment): Put large section
7624         sections in a separate load segment with the large segment flag
7625         set.
7626         (Layout::segment_precedes): Sort large data segments after other
7627         load segments.
7628         (align_file_offset): New static function.
7629         (Layout::set_segment_offsets): Use align_file_offset.
7630         * output.h (class Output_section): Add is_small_section_ and
7631         is_large_section_ fields.
7632         (Output_section::is_small_section): New function.
7633         (Output_section::set_is_small_section):  New function.
7634         (Output_section::is_large_section): New function.
7635         (Output_section::set_is_large_section): New function.
7636         (Output_section::is_large_data_section): New function.
7637         (class Output_segment): Add is_large_data_segment_ field.
7638         (Output_segment::is_large_data_segment): New function.
7639         (Output_segment::set_is_large_data_segment): New function.
7640         * output.cc (Output_section::Output_section): Initialize new
7641         fields.
7642         (Output_segment::Output_segment): Likewise.
7643         (Output_segment::add_output_section): Add assertion that large
7644         data sections always go in large data segments.  Force small data
7645         sections to the end of the list of data sections.  Force small BSS
7646         sections to the start of the list of BSS sections.  For large BSS
7647         sections to the end of the list of BSS sections.
7648         * symtab.h (class Symbol): Declare is_common_shndx.
7649         (Symbol::is_defined): Check Symbol::is_common_shndx.
7650         (Symbol::is_common): Likewise.
7651         (class Symbol_table): Define enum Commons_section_type.  Update
7652         declarations.  Add small_commons_ and large_commons_ fields.
7653         * symtab.cc (Symbol::is_common_shndx): New function.
7654         (Symbol_table::Symbol_table): Initialize new fields.
7655         (Symbol_table::add_from_object): Put small and large common
7656         symbols in the right list.
7657         (Symbol_table::sized_finalized_symbol): Check
7658         Symbol::is_common_shndx.
7659         (Symbol_table::sized_write_globals): Likewise.
7660         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7661         common symbol lists.  Don't call do_allocate_commons_list if the
7662         list is empty.
7663         (Symbol_table::do_allocate_commons_list): Remove is_tls
7664         parameter.  Add comons_section_type parameter.  Change all
7665         callers.  Handle small and large common symbols.
7666         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7667         Symbol::is_common_shndx.
7668         * resolve.cc (symbol_to_bits): Likewise.
7669         * target.h (Target::small_common_shndx): New function.
7670         (Target::small_common_section_flags): New function.
7671         (Target::large_common_shndx): New function.
7672         (Target::large_common_section_flags): New function.
7673         (Target::new_output_section): New function.
7674         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7675         small_common_section_flags, and large_common_section_flags
7676         fields.
7677         (Target::do_new_output_section): New virtual function.
7678         * arm.cc (Target_arm::arm_info): Initialize new fields.
7679         * i386.cc (Target_i386::i386_info): Likewise.
7680         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7681         Likewise.
7682         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7683         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7684         (Target_x86_64::do_new_output_section): New function.
7685         * configure.ac: Define conditional MCMODEL_MEDIUM.
7686         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7687         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7688         (large_LDFLAGS): Define.
7689         * testsuite/large.c: New file.
7690         * testsuite/testfile.cc (Target_test::test_target_info):
7691         Initialize new fields.
7692         * configure, testsuite/Makefile.in: Rebuild.
7693
7694 2009-06-05  Doug Kwan  <dougkwan@google.com>
7695
7696         * Makefile.am (CCFILES): Add target.cc.
7697         * Makefile.in: Regenerate.
7698         * i386.cc (class Target_i386): Define new virtual method to
7699         override do_is_local_label_name in parent.
7700         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7701         local symbols if --discard-locals or -X is given.
7702         * options.h (class General_options): Declare new options
7703         '--discard-locals' and '-X' for discarding locals.
7704         * target.h (class Target): Define new methods is_local_label_name.
7705         Declare new virtual method do_is_local_label_name.
7706         * target.cc: New file.
7707         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7708         (check_SCRIPTS): Add discard_locals_test.sh.
7709         (check_DATA): Add discard_local_tests.syms.
7710         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7711         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7712         * testsuite/Makefile.in: Regenerate.
7713         * testsuite/discard_locals_test.c: New file.
7714         * testsuite/discard_locals_test.sh: Same.
7715
7716 2009-06-05  Doug Kwan  <dougkwan@google.com>
7717
7718         * object.cc (Sized_relobj::Sized_relobj): Initialize
7719         discarded_eh_frame_shndx_ to -1U.
7720         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7721         section.
7722         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7723         a discarded .eh_frame section.
7724         (Sized_relobj::do_finalize_local_symbols): Ditto.
7725         * object.h (class Sized_relobj): Declare new member
7726         discarded_eh_frame_shndx_.
7727         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7728         (local_labels_test.o, local_labels_test): New rules.
7729         * testsuite/Makefile.in: Regenerate.
7730
7731 2009-06-04  Doug Kwan  <dougkwan@google.com>
7732
7733         * layout.cc (Layout::section_name_mapping): Add mapping for
7734         special ARM sections.
7735
7736 2009-06-03  Doug Kwan  <dougkwan@google.com>
7737
7738         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7739         (utils::has_overflow): Same.
7740
7741 2009-06-03  Ian Lance Taylor  <iant@google.com>
7742
7743         * layout.cc (Layout::section_name_mapping): New array, replacing
7744         Layout::linkonce_mapping.
7745         (Layout::section_name_mapping_count): New variable, replacing
7746         Layout::linkonce_mapping_count.
7747         (Layout::linkonce_output_name): Remove.
7748         (Layout::output_section_name): Rewrite.
7749         * layout.h (class Layout): Rename Linkonce_mapping to
7750         Section_name_mapping, linkonce_mapping to section_name_mapping,
7751         linkonce_mapping_count to section_name_mapping_count.  Don't
7752         declare linkonce_output_name.
7753
7754 2009-06-03  Doug Kwan  <dougkwan@google.com>
7755
7756         * gold/arm.cc (namespace utils): New.
7757         (Target_arm::reloc_is_non_pic): Define new method.
7758         (class Arm_relocate_functions): New.
7759         (Target_arm::Relocate::relocate): Handle relocation types used by
7760         Android.
7761
7762 2009-06-03  Ian Lance Taylor  <iant@google.com>
7763
7764         * arm.cc (Target_arm::scan::global): Use || instead of |.
7765
7766 2009-06-02  Doug Kwan  <dougkwan@google.com>
7767
7768         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7769         issued_non_pic_error_.
7770         (class Target_arm::Scan): Declare new method check_non_pic.
7771         Define new method symbol_needs_plt_entry.
7772         Declare new data member issued_non_pic_error_.
7773         (class Target_arm::Relocate): Declare new method
7774         should_apply_static_reloc.
7775         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7776         (Target_arm::Scan::check_non_pic): Define new method.
7777         (Target_arm::Scan::local): Handle a small subset of reloc types used
7778         by Android.
7779         (Target_arm::Scan::local): Same.
7780         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7781
7782 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7783
7784         * incremental.cc (Incremental_inputs::report_command_line): Filter
7785         out --incremental-* options.
7786
7787 2009-05-29  Doug Kwan  <dougkwan@google.com>
7788
7789         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7790         template class.
7791         (class Target_arm): Update comment.
7792         (Target_arm::Target_arm): Initialize new data members GOT_,
7793         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7794         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7795         and Target_arm::rel_dyn_section.
7796         Declare new_enum Target_arm::Got_type.
7797         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7798         and DYNBSS_.
7799         Update commments for member do_dynsym_value.
7800         (Target_arm::got_size, Target_arm::plt_section,
7801         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7802         new methods inside class defintion.
7803         (Target_arm::got_section): Define new method.
7804         (Target_arm::rel_dyn_section): Same.
7805         (Output_data_plt_arm): New template class.
7806         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7807         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7808         (Output_data_plt_arm::add_entry): Same.
7809         (Output_data_plt_arm::first_plt_entry): Define new
7810         static data member for PLT instruction template.
7811         (Output_data_plt_arm::plt_entry): Same.
7812         (Output_data_plt_arm::do_write): Define new method.
7813         (Target_arm::make_plt_entry): Same.
7814         (Target_arm::do_finalize_sections): Same.
7815         (Target_arm::do_dynsym_value): Same.
7816
7817 2009-05-28  Doug Kwan  <dougkwan@google.com>
7818
7819         * Makefile.am (TARGETSOURCES): Add arm.cc.
7820         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7821         * Makefile.in: Regenerate.
7822         * arm.cc: New file.
7823         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7824
7825 2009-05-26  Doug Kwan  <dougkwan@google.com>
7826
7827         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7828         (General_options::check_excluded_libs): Strip off directories in
7829         archive name before matching like GNU ld does.
7830         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7831         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7832         (exclude_libs_test_LDFLAGS): Add linker option
7833         -Wl,--exclude-libs,libexclude_libs_test_3
7834         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7835         an explicit archive without using -l.
7836         (alt/libexclude_libs_test_3.a): New make rule.
7837         * testsuite/Makefile.in: Regenerate.
7838         * testsuite/exclude_libs_test.c : Declare lib3_default().
7839         (main): Call it.
7840         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7841         * exclude_libs_test_3.c: New file.
7842
7843 2009-05-26  Nick Clifton  <nickc@redhat.com>
7844
7845         * po/id.po: New Indonesian translation.
7846         * po/gold.pot: Updated template file.
7847
7848 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7849
7850         * testsuite/Makefile.am: Add -ffunction-sections to compile
7851         gc_comdat_test files.  Add -Wl,--gc-sections to build
7852         gc_comdat_test.
7853         * testsuite/Makefile.in: Regenerate.
7854         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7855
7856 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7857
7858         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7859         kept comdat section was garbage collected.
7860         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7861         * testsuite/Makefile.in: Regenerate.
7862         * testsuite/gc_comdat_test.sh: New file.
7863         * testsuite/gc_comdat_test_1.cc: New file.
7864         * testsuite/gc_comdat_test_2.cc: New file.
7865
7866 2009-05-19  Doug Kwan  <dougkwan@google.com>
7867
7868         * archive.cc (Archive::Archive): Move constructor from archive.h
7869         to here.  Initialize no_export_.
7870         (Archive::get_elf_object_for_member): Set no_export flag of object.
7871         * archive.h (Archive::Archive): Move constructor body to
7872         archive.cc.
7873         (Archive::no_export): New method.
7874         (Archive::no_export_): New field.
7875         * object.h (Object::Object): Initialize no_export_ to false.
7876         (Object::no_export, Object::set_no_export): New methods.
7877         (Object::no_export_): New field.
7878         * options.cc (General_options::parse_exclude_libs): New method.
7879         (General_options::check_excluded_libs) Same.
7880         * options.h (exclude_libs): New option.
7881         (General_options::check_excluded_libs): New method declaration.
7882         (General_options::excluded_libs_): New field.
7883         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7884         default or protected visibility if an object has no-export flag set.
7885         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7886         (check_SCRIPTS): Add exclude_libs_test.sh.
7887         (check_DATA): Add exclude_libs_test.syms.
7888         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7889         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7890         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7891         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7892         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7893         libexclude_libs_test_2.a): New rules.
7894         * testsuite/Makefile.in: Regenerate.
7895         * testsuite/exclude_libs_test.c: New file.
7896         * testsuite/exclude_libs_test.sh: Ditto.
7897         * testsuite/exclude_libs_test_1.c: Ditto.
7898         * testsuite/exclude_libs_test_2.c: Ditto.
7899
7900 2009-05-15  Ian Lance Taylor  <iant@google.com>
7901
7902         * configure.ac: Check for declarations for cases where libiberty.h
7903         checks HAVE_DECL_xxx.
7904         * configure, config.in: Rebuild.
7905
7906 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7907
7908         * gold.h (Incremental_argument_list): Remove (invalid) forward
7909         declaration.
7910         * incremental.cc (Incremental_inputs::report_achive): New method.
7911         (Incremental_inputs::report_object): New method.
7912         (Incremental_inputs::report_script): New method.
7913         (Incremental_inputs::finalize_inputs): New method.
7914         (Incremental_inputs::finalize): Call finalize_inputs().
7915         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7916         Create inputs entries.
7917         * incremental.h (Incremental_input_type): New enum.
7918         (Incremental_inputs::Incremental_input): Initialize new fields.
7919         (Incremental_inputs::report_inputs): New method.
7920         (Incremental_inputs::report_achive): New method.
7921         (Incremental_inputs::report_object): New method.
7922         (Incremental_inputs::report_script): New method.
7923         (Incremental_inputs::finalize_inputs): New method.
7924         (Incremental_inputs::Input_info): New struct.
7925         (Incremental_inputs::Input_info_map): New typedef.
7926         (Incremental_inputs::lock_): New field.
7927         (Incremental_inputs::Inputs_): New field.
7928         (Incremental_inputs::Inputs_map): New field.
7929         * main.cc (main): Call Incremental_input::report_inputs.
7930         * options.h (Input_argument_list): Typedef moved from
7931         Input_arguments.
7932         (Input_file_group::Files): Remove, use ::Input_argument_list.
7933         (Input_file_group::Input_argument_list): Remove, use
7934         ::Input_argument_list.
7935         * plugin.cc (Plugin_manager::add_input_file): Add error in
7936         incremental build.
7937         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7938         functions.
7939         * script.cc (read_input_script): Call
7940         Incremental_input::report_script.
7941         * script.h (Script_info): New class.
7942
7943 2009-04-27  Ian Lance Taylor  <iant@google.com>
7944
7945         * x86_64.cc (do_adjust_output_section): Set entsize to
7946         plt_entry_size.
7947
7948 2009-04-23  Elliott Hughes  <enh@google.com>
7949
7950         * output.cc (Output_file::close): After short writes, continue
7951         writing from the correct offset in the buffer being written.
7952
7953 2009-04-23  Chris Demetriou  <cgd@google.com>
7954
7955         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7956         * configure: Regenerate.
7957         * config.in: Regenerate.
7958         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7959         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7960
7961 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7962
7963         * incremental.cc (Incremental_inputs_header_data): Renamed from
7964         Incremental_input_header_data.
7965         (Incremental_inputs_header_data::data_size): New field.
7966         (Incremental_inputs_header_data::put_input_file_count): Renamed
7967         from input_file_count.
7968         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7969         from command_line_offset.
7970         (Incremental_inputs_header_data::put_reserved): Renamed from
7971         put_reserved.
7972         (Incremental_inputs_entry_data): Renamed from
7973         Incremental_input_entry_data.
7974         (Incremental_inputs_entry_data::data_size): New field.
7975         (Incremental_inputs::report_command_line): New method.
7976         (Incremental_inputs::finalize): New method.
7977         (Incremental_inputs::create_incremental_inputs_data): New method.
7978         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7979         * incremental.h: New file.
7980         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7981        (Layout::finalize): Create incremental inputs section in
7982         incremental builds.
7983        (Layout::create_incremental_info_sections): New method.
7984         * layout.h (Layout::incremental_inputs): New method.
7985        (Layout::create_incremental_info_sections): New method.
7986        (Layout::incremental_inputs_): New field.
7987         * main.cc (main): Notify Incremental_input of the command line.
7988
7989 2009-04-01  Ian Lance Taylor  <iant@google.com>
7990             Mikolaj Zalewski  <mikolajz@google.com>
7991
7992         * gold.h (reserve_unordered_map): Define, three versions, one for
7993         each version of Unordered_map.
7994         * layout.cc (Layout::Layout): Remove options parameter.  Add
7995         number_of_input_files parameter.  Don't initialize options_.
7996         Initialize number_of_input_files_ and resized_signatures_.  Move
7997         sections_are_attached_.
7998         (Layout::layout_group): Reserve space for group_signatures_.
7999         (Layout::find_or_add_kept_section): Change name parameter to be a
8000         reference.  Resize signatures_ map when it gets large enough.
8001         (Layout::layout_eh_frame): Use parameters->options() instead of
8002         this->options_.
8003         (Layout::make_output_section): Likewise.
8004         (Layout::attach_allocated_section_to_segment): Likewise.
8005         (Layout::finalize, Layout::create_executable_stack): Likewise.
8006         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8007         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8008         * layout.h (class Layout): Update declarations.  Remove options_
8009         field.  Add number_of_input_files_ and resized_signatures_
8010         fields.  Move sections_are_attached_ field.
8011         * main.cc (main): Pass number of input files to Layout
8012         constructor.  Don't pass options.
8013
8014 2009-03-30  Ian Lance Taylor  <iant@google.com>
8015
8016         * ffsll.c (ffsll): Correct implementation.
8017
8018 2009-03-27  Ian Lance Taylor  <iant@google.com>
8019
8020         * ffsll.c: New file.
8021         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8022         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8023         * ftruncate.c (ftruncate): Declare before definition.
8024         * mremap.c (mremap): Likewise.
8025         * pread.c (pread): Likewise.
8026         * configure, Makefile.in, config.in: Rebuild.
8027
8028         * mremap.c: New file.
8029         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8030         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8031         (mremap): Declare if HAVE_MREMAP is not defined.
8032         * configure, Makefile.in, config.in: Rebuild.
8033
8034 2009-03-27  Cary Coutant  <ccoutant@google.com>
8035
8036         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8037         position independent.
8038         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8039         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8040
8041 2009-03-24  Cary Coutant  <ccoutant@google.com>
8042
8043         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8044         an executable.
8045         (needs_dynamic_reloc): Likewise.
8046
8047 2009-03-24  Ian Lance Taylor  <iant@google.com>
8048
8049         * yyscript.y (file_cmd): Recognize EXTERN.
8050         (extern_name_list, extern_name_list_body): New nonterminals.
8051         * script.cc (script_add_extern): Define.
8052         * script-c.h (script_add_extern): Declare.
8053
8054 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8055
8056         * object.cc (is_elf_object): Define.
8057         * object.h (is_elf_object): Declare.
8058         * archive.cc (Archive::get_elf_object_for_member): Call
8059         is_elf_object.
8060         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8061
8062 2009-03-24  Elliott Hughes  <enh@google.com>
8063
8064         * output.cc (Output_file::map_anonymous): Define.
8065         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8066         try an anonymous one.  Report the size if the mmap fails.
8067         * output.h (class Output_file): Declare map_anonymous.
8068
8069 2009-03-24  Ian Lance Taylor  <iant@google.com>
8070
8071         * target-select.cc (instantiate_target): Don't acquire the lock if
8072         the instantiated_target_ field has already been set.
8073
8074 2009-03-23  Ian Lance Taylor  <iant@google.com>
8075
8076         * gold-threads.h (class Initialize_lock): Define.
8077         * gold-threads.cc (class Initialize_lock_once): Define.
8078         (initialize_lock_control): New static variable.
8079         (initialize_lock_pointer): New static variable.
8080         (initialize_lock_once): New static function.
8081         (Initialize_lock::Initialize_lock): Define.
8082         (Initialize_lock::initialize): Define.
8083         * target-select.h: Include "gold-threads.h".
8084         (class Target_selector): Add lock_ and initialize_lock_ fields.
8085         Don't define instantiate_target, just declare it.
8086         * target-select.cc (Target_selector::Target_selector): Initialize
8087         new fields.
8088         (Target_selector::instantiate_target): Define.
8089         * descriptors.h: Include "gold-threads.h".
8090         (class Descriptors): Add initialize_lock_ field.
8091         * descriptors.cc (Descriptors::Descriptors): Initialize new
8092         field.
8093         (Descriptors::open): Use initialize_lock_ field
8094         * errors.h (class Errors): Add initialize_lock_ field.
8095         * errors.cc (Errors::Errors): Initialize new field.
8096         (Errors::initialize_lock): Use initialize_lock_ field.
8097         * powerpc.cc (class Target_selector_powerpc): Remove
8098         instantiated_target_ field.  In do_recognize call
8099         instantiate_target rather than do_instantiate_target.  In
8100         do_instantiate_target just allocate a new target.
8101         * sparc.cc (class Target_selector_sparc): Likewise.
8102
8103         * freebsd.h: New file.
8104         * i386.cc: Include "freebsd.h".
8105         (Target_i386): Derive from Target_freebsd rather than
8106         Sized_target.
8107         (Target_selector_i386): Derive from Target_selector_freebsd rather
8108         than Target_selector.
8109         * x86_64.cc: Include "freebsd.h".
8110         (Target_x86_64): Derive from Target_freebsd rather than
8111         Sized_target.
8112         (Target_selector_x86_64): Derive from Target_selector_freebsd
8113         rather than Target_selector.
8114         * target.h (class Target): Add adjust_elf_header and
8115         do_adjust_elf_header.
8116         * output.cc (Output_file_header:: do_sized_write): Call target
8117         adjust_elf_header routine.
8118         * configure.tgt: Set targ_osabi.
8119         * configure.ac: Define GOLD_DEFAULT_OSABI.
8120         * parameters.cc (Parameters::default_target): Pass
8121         GOLD_DEFAULT_OSABI to select_target.
8122         * target-select.h (class Target_selector): Make instantiate_target
8123         protected rather than private.
8124         * Makefile.am (HFILES): Add freebsd.h.
8125         * configure, Makefile.in, config.in: Rebuild.
8126
8127         * merge.cc (do_add_input_section): Correct pend value.  Change
8128         message about last entry not being null terminated from error to
8129         warning.
8130
8131 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8132
8133         * incremental.cc: New file.
8134         * Makefile.am (CCFILES): Add incremental.cc.
8135         * Makefile.in: Rebuild.
8136
8137 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8138
8139         * layout.cc (Layout::output_section_name): Preserve names
8140         of '.note.' sections.
8141
8142 2009-03-19  Ian Lance Taylor  <iant@google.com>
8143
8144         * descriptors.cc (Descriptors::open): Check that the options are
8145         valid before using them.
8146
8147 2009-03-18  Ian Lance Taylor  <iant@google.com>
8148
8149         * script-sections.h: Include <list>.
8150         (class Script_sections): Change Sections_elements from std::vector
8151         to std::list.  Typedef public Elements_iterator.  Add
8152         orphan_section_placement_, data_segment_align_start_, and
8153         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8154         field.
8155         * script-sections.cc (class Orphan_section_placement): New class.
8156         (class Sections_element): Add virtual functions is_relro and
8157         orphan_section_init.  Remove virtual function place_orphan_here.
8158         (class Output_section_definition): Add is_relro and
8159         orphan_section_init.  Remove place_orphan_here.
8160         (class Orphan_output_section): Likewise.
8161         (Script_sections::Script_sections): Update for field changes.
8162         (Script_sections::data_segment_align): Set saw_data_segment_align_
8163         and data_segment_align_start_, not data_segment_align_index.
8164         (Script_sections::data_segment_relro_end): Check
8165         saw_data_segment_align_.  Use data_segment_align_start_ rather
8166         than data_segment_align_index_.
8167         (Script_sections::place_orphan): Rewrite to use
8168         Orphan_section_placement.
8169
8170 2009-03-17  Ian Lance Taylor  <iant@google.com>
8171
8172         * archive.cc (Archive::add_symbols): Check for a version attached
8173         to the symbol name in the archive map.
8174         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8175         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8176         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8177         (ver_test_11.a): New target.
8178         * testsuite/Makefile.in: Rebuild.
8179
8180         * configure.ac: Check for chsize and posix_fallocate.  Replace
8181         ftruncate.
8182         * ftruncate.c: New file, from gnulib.
8183         * output.cc (posix_fallocate): Define dummy version if not
8184         HAVE_POSIX_FALLOCATE.
8185         (Output_file::map): Call posix_fallocate rather than lseek and
8186         write.
8187         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8188         * configure, Makefile.in, config.in: Rebuild.
8189
8190 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8191
8192         * layout.h (Layout::create_note): Add section_name parameter.
8193         * layout.cc (Layout::create_note): Likewise.
8194         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8195
8196 2009-03-17  Ian Lance Taylor  <iant@google.com>
8197
8198         * descriptors.cc: Include "options.h".
8199         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8200         (Descriptors::open): Always use O_CLOEXEC when opening a new
8201         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8202         then set FD_CLOEXEC.
8203
8204         * sparc.cc (class Target_sparc): Add has_got_section.
8205         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8206         make sure we have a GOT section.
8207
8208         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8209         (Target_sparc::Scan::local): Likewise.
8210         (Target_sparc::Scan::global): Likewise.
8211         (Target_sparc::Relocate::relocate): Likewise.
8212         (Target_sparc::Relocate::relocate_tls): Likewise.
8213
8214         * symtab.cc (Symbol_table::define_default_version): New function,
8215         broken out of add_from_object.
8216         (Symbol_table::add_from_object): Call define_default_version.
8217         (Symbol_table::define_special_symbol): Add resolve_oldsym
8218         parameter.  Change all callers.  If the version for a symbol comes
8219         from a version script, resolve it with the symbol with the same
8220         name with no version.  Also add the symbol without a version if
8221         appropriate.
8222         (do_define_in_output_data): If resolving with oldsym, don't delete
8223         sym.
8224         (do_define_in_output_segment): Likewise.
8225         (do_define_as_constant): Likewise.
8226         * symtab.h (class Symbol_table): Update declarations.
8227
8228 2009-03-13  Ian Lance Taylor  <iant@google.com>
8229
8230         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8231         (Read_symbols::requeue): New function.
8232         (Read_symbols::do_read_symbols): If make_elf_object fails because
8233         the target type is not configured, and the file was searched for,
8234         issue a warning and retry with the next directory.
8235         (Add_symbols::run): If the file has an incompatible format, and
8236         it was searched for, requeue the Read_symbols task.  On error,
8237         release the object.
8238         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8239         dirindex parameter to constructor.  Change all callers.  Declare
8240         incompatible_warning and requeue.
8241         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8242         input_argument_ and input_group_ fields.  Add them to
8243         constructor.  Change all callers.
8244         (class Read_script): Add dirindex_ field.  Add it to constructor.
8245         Change all callers.
8246         * archive.cc (Archive::setup): Remove input_objects parameter.
8247         Change all callers.
8248         (Archive::get_file_and_offset): Likewise.
8249         (Archive::read_all_symbols): Likewise.
8250         (Archive::read_symbols): Likewise.
8251         (Archive::get_elf_object_for_member): Remove input_objects
8252         parameter.  Add punconfigured parameter.  Change all callers.
8253         (Archive::add_symbols): Change return type to bool.  Check return
8254         value of include_member.
8255         (Archive::include_all_members): Likewise.
8256         (Archive::include_member): Change return type to bool.  Return
8257         false if first included object has incompatible target.  Set
8258         included_member_ field.
8259         (Add_archive_symbols::run): If add_symbols returns false, requeue
8260         Read_symbols task.
8261         * archive.h (class Archive): Add included_member_ field.
8262         Initialize it in constructor.  Add input_file and searched_for
8263         methods.  Update declarations.
8264         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8265         input_argument_ fields.  Add them to constructor.  Change all
8266         callers.
8267         * script.cc: Include "target-select.h".
8268         (class Parser_closure): Add skip_on_incompatible_target_ and
8269         found_incompatible_target_ fields.  Add
8270         skip_on_incompatible_target parameter to constructor.  Change all
8271         callers.  Add methods skip_on_incompatible_target,
8272         clear_skip_on_incompatible_target, found_incompatible_target, and
8273         set_found_incompatible_target.
8274         (read_input_script): Add dirindex parameter.  Change all callers.
8275         If parser finds an incompatible target, requeue Read_symbols
8276         task.
8277         (script_set_symbol): Clear skip_on_incompatible_target in
8278         closure.
8279         (script_add_assertion, script_parse_option): Likewise.
8280         (script_start_sections, script_add_phdr): Likewise.
8281         (script_check_output_format): New function.
8282         * script.h (read_input_script): Update declaration.
8283         * script-c.h (script_check_output_format): Declare.
8284         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8285         (ignore_cmd): Remove OUTPUT_FORMAT.
8286         * fileread.cc (Input_file::Input_file): Add explicit this.
8287         (Input_file::will_search_for): New function.
8288         (Input_file::open): Add pindex parameter.  Change all callers.
8289         * fileread.h (class Input_file): Add input_file_argument method.
8290         Declare will_search_for.  Update declarations.
8291         * object.cc (make_elf_object): Add punconfigured parameter.
8292         Change all callers.
8293         * object.h (class Object): Make input_file public.  Add
8294         searched_for method.
8295         (make_elf_object): Update declaration.
8296         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8297         restart search.
8298         * dirsearch.h (class Dirsearch): Update declaration.
8299         * options.h (class General_options): Add --warn-search-mismatch.
8300         * parameters.cc (Parameters::is_compatible_target): New function.
8301         * parameters.h (class Parameters): Declare is_compatible_target.
8302         * workqueue.cc (Workqueue::add_blocker): New function.
8303         * workqueue.h (class Workqueue): Declare add_blocker.
8304
8305         * fileread.cc (Input_file::open): Remove options parameter.
8306         Change all callers.
8307         (Input_file::open_binary): Likewise.
8308         * script.cc (read_input_script): Likewise.
8309         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8310         options parameter from constructor.  Change all callers.
8311         (class Read_script): Likewise.
8312         * fileread.h (class Input_file): Update declarations.
8313         * script.h (read_input_script): Update declaration.
8314
8315 2009-03-10  Nick Clifton  <nickc@redhat.com>
8316
8317         * po/es.po: New Spanish translation.
8318
8319 2009-03-06  Cary Coutant  <ccoutant@google.com>
8320
8321         * options.cc (parse_short_option): Keep dash_z from registering itself.
8322
8323 2009-03-03  Ian Lance Taylor  <iant@google.com>
8324
8325         PR 9918
8326         * target-reloc.h (relocate_section): Pass output_section to
8327         relocate.
8328         * i386.cc (Target_i386::should_apply_static_reloc): Add
8329         output_section parameter.  Change all callers.
8330         (Target_i386::Relocate::relocate): Add output_section parameter.
8331         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8332         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8333         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8334         * testsuite/two_file_shared.sh: New script.
8335         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8336         (check_DATA): Add two_file_shared.dbg.
8337         (two_file_shared.dbg): New target.
8338         * testsuite/Makefile.in: Rebuild.
8339
8340 2009-03-01  Ian Lance Taylor  <iant@google.com>
8341
8342         * configure.ac: Check for byteswap.h.
8343         * configure: Rebuild.
8344         * config.in: Rebuild.
8345
8346 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8347
8348         * layout.cc (Layout::find_or_add_kept_section): New function.
8349         (Layout::add_comdat): Removed.
8350         * layout.h (struct Kept_section): Move out of class Layout.
8351         Remove trailing underscores from field names.  Add group_sections
8352         field.  Rename group_ field to is_group.  Change all uses.
8353         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8354         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8355         comdat_groups_ field.
8356         (Sized_relobj::include_section_group): Use
8357         find_or_add_kept_section and Kept_section::group_sections.
8358         (Sized_relobj::include_linkonce_section): Likewise.
8359         * object.cc (class Sized_relobj): Don't define Comdat_group or
8360         Comdat_group_table.  Remove find_comdat_group and
8361         add_comdat_group.  Remove comdat_groups_ field.
8362         * plugin.cc (include_comdat_group): Use
8363         Layout::find_or_add_kept_section.
8364
8365 2009-02-28  Ian Lance Taylor  <iant@google.com>
8366
8367         * README: --gc-sections and map files are now supported.  Document
8368         some build requirements.
8369
8370         PR 6992
8371         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8372         relocatable link set the value of the section symbol to zero.
8373         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8374         relocatable link don't include the section address in the local
8375         symbol value.
8376
8377 2009-02-27  Ian Lance Taylor  <iant@google.com>
8378
8379         PR 6811
8380         * options.h (class Search_directory): Add is_system_directory.
8381         (class General_options): Declare is_in_system_directory.
8382         * options.cc (get_relative_sysroot): Make static.
8383         (get_default_sysroot): Make static.
8384         (General_optoins::is_in_system_directory): New function.
8385         * fileread.cc (Input_file::is_in_system_directory): New function.
8386         * fileread.h (class Input_file): Declare is_in_system_directory.
8387         * object.h (class Object): Add is_in_system_directory.
8388         (class Input_objects): Remove system_library_directory_ field.
8389         * object.cc (Input_objects::add_object): Don't set
8390         system_library_directory_.
8391         (input_objects::found_in_system_library_directory): Remove.
8392         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8393         parameter.  Change all callers.
8394         (Symbol_table::sized_write_globals): Likewise.
8395         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8396         Call Object::is_in_system_directory.
8397         * symtab.h (class Symbol_table): Update declarations.
8398
8399         PR 5990
8400         * descriptors.h (Open_descriptor): Add is_on_stack field.
8401         * descriptors.cc (Descriptors::open): If the descriptor is on the
8402         top of the stack, remove it.  Initialize is_on_stack field.
8403         (Descriptors::release): Only add pod to stack if it is not on the
8404         stack already.
8405         (Descriptors::close_some_descriptor): Clear stack_next and
8406         is_on_stack fields.
8407
8408         PR 7091
8409         * output.cc (Output_section::find_starting_output_address): Rename
8410         from starting_output_address; add PADDR parameter; change return
8411         type.
8412         * output.h (class Output_section): Declare
8413         find_starting_output_address instead of starting_output_address.
8414         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8415         section symbol for which we can't find a merge section.
8416
8417         PR 9836
8418         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8419         hidden or internal, force the symbol to be local.
8420         * resolve.cc (Symbol::override_visibility): Define.
8421         (Symbol::override_base): Use override_visibility.
8422         (Symbol_table::resolve): Likewise.
8423         (Symbol::override_base_with_special): Likewise.
8424         (Symbol_table::override_with_special): If the visibility is hidden
8425         or internal, force the symbol to be local.
8426         * symtab.h (class Symbol): Add set_visibility and
8427         override_visibility.
8428         * testsuite/ver_test_1.sh: New file.
8429         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8430         (check_DATA): Add ver_test_1.syms.
8431         (ver_test_1.syms): New target.
8432         * testsuite/Makefile.in: Rebuild.
8433
8434 2009-02-25  Cary Coutant  <ccoutant@google.com>
8435
8436         * layout.cc (Layout::choose_output_section): Don't rename sections
8437         when using a linker script that has a SECTIONS clause.
8438         * Makefile.in: Regenerate.
8439
8440         * testsuite/Makefile.am (script_test_5.sh): New test case.
8441         * testsuite/Makefile.in: Regenerate.
8442         * testsuite/script_test_5.cc: New file.
8443         * testsuite/script_test_5.sh: New file.
8444         * testsuite/script_test_5.t: New file.
8445
8446 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8447
8448         * archive.cc (Archive::include_member): Update calls to add_symbols.
8449         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8450         the Layout argument.
8451         * dynobj.h (do_add_symbols): Add the Layout argument.
8452         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8453         Layout argument.
8454         * object.h (Object::add_symbols): Add the Layout argument.
8455         (Object::do_add_symbols): Add the Layout argument.
8456         (Sized_relobj::do_add_symbols): Add the Layout argument.
8457         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8458         Unify the two versions.
8459         (Add_plugin_symbols): Remove.
8460         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8461         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8462         (Add_plugin_symbols): Remove.
8463         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8464         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8465         (Add_symbols::run): Make it work with Pulginobj.
8466
8467 2009-02-06  Ian Lance Taylor  <iant@google.com>
8468
8469         * object.cc (Sized_relobj::do_layout): Make info message start
8470         with lower case letter.
8471
8472 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8473
8474         * binary.cc: Fix file comment.
8475
8476         * options.h (enum Incremental_disposition): Define.
8477         (class General_options): Add new options: --incremental,
8478         --incremental_changed, --incremental_unchanged,
8479         --incremental_unknown.  Add incremental_disposition_ and
8480         implicit_incremental_ fields.
8481         (General_options::incremental_disposition): New function.
8482         (class Position_dependent_options): Add incremental_disposition
8483         option.
8484         (Position_dependent_options::copy_from_options): Set incremental
8485         dispositions.
8486         * options.cc (General_options::parse_incremental_changed): New
8487         function.
8488         (General_options::parse_incremental_unchanged): New function.
8489         (General_options::parse_incremental_unknown): New function.
8490         (General_options::General_options): Initialize new fields
8491         incremental_disposition_ and implicit_incremental_.
8492         (General_options::finalize): Check for uasge of --incremental-*
8493         without --incremental.
8494
8495 2009-02-06  Chris Demetriou  <cgd@google.com>
8496
8497         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8498         pointer and to report location as the file name associated with
8499         the symbol.
8500         (gold_undefined_symbol_at_location): New function to replace the
8501         old gold_undefined_symbol functionality.
8502         * target-reloc.h (relocate_section): Update to use
8503         gold_undefined_symbol_at_location.
8504         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8505         Call gold_undefined_symbol function rather than gold_error.
8506         * errors.h (Errors::undefined_symbol): Take location as a
8507         string, rather than calculating it from a relocation.
8508         * errors.cc (Errors::fatal): Print "fatal error:" before the
8509         formatted message.
8510         (Errors::error, Errors::error_at_location): Print "error: "
8511         before the formatted message.
8512         (Errors::undefined_symbol): Take location as a string, rather
8513         than calculating it from a relocation.
8514         (gold_undefined_symbol_at_location): New function akin to
8515         old gold_undefined_symbol, calculates location from relocation.
8516         (gold_undefined_symbol): Change to take only a Symbol pointer
8517         and to report location as the file name associated with the symbol.
8518         * testsuite/debug_msg.sh: Update for changed error messages.
8519         * testsuite/undef_symbol.sh: Likewise.
8520
8521 2009-02-04  Duncan Sands  <baldrick@free.fr>
8522
8523         PR 9812
8524         * reduced_debug_output.h
8525         (Output_reduced_debug_abbrev_section::failed): Use format for
8526         gold_warning.
8527         (Output_reduced_debug_info_section::faild): Likewise.
8528
8529 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8530
8531         * script.cc (Lazy_demangler): New class.
8532         (Version_script_info::get_symbol_version_helper): Demangle a
8533         symbol only once.
8534
8535 2009-01-29  Cary Coutant  <ccoutant@google.com>
8536
8537         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8538         to __tls_get_addr.
8539         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8540
8541 2009-01-28  Ian Lance Taylor  <iant@google.com>
8542
8543         * version.cc (version_string): Bump to 1.9.
8544
8545         * gold.h: Include <cstring> and <stdint.h>.
8546         * version.cc: Include <cstdio>.
8547         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8548         warning.
8549         * reduced_debug_output.cc (insert_into_vector): Rename from
8550         Insert_into_vector; change all callers.  Use Swap_unaligned to
8551         avoid aliasing issue; remove union since it is unnecessary.
8552
8553 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8554
8555         * Makefile.am (CCFILES): Add gc.cc.
8556         (HFILES): Add gc.h.
8557         * Makefile.in: Regenerate.
8558         * gold.cc (Gc_runner): New class.
8559         (queue_initial_tasks): Call garbage collection related tasks
8560         when corresponding options are invoked.
8561         (queue_middle_gc_tasks): New function.
8562         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8563         processed early before laying out sections during garbage collection.
8564         * gold.h (queue_middle_gc_tasks): New function.
8565         (is_prefix_of): Move from "layout.cc".
8566         * i386.cc (Target_i386::gc_process_relocs): New function.
8567         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8568         * main.cc (main): Create object of class "Garbage_collection".
8569         * object.cc (Relobj::copy_symbols_data): New function.
8570         (Relobj::is_section_name_included): New function.
8571         (Sized_relobj::do_layout): Allow this function to be called twice
8572         during garbage collection and defer layout of section during the
8573         first call.
8574         * object.h (Relobj::get_symbols_data): New function.
8575         (Relobj::is_section_name_included): New function.
8576         (Relobj::copy_symbols_data): New function.
8577         (Relobj::set_symbols_data): New function.
8578         (Relobj::get_relocs_data): New function.
8579         (Relobj::set_relocs_data): New function.
8580         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8581         (Relobj::gc_process_relocs): New function.
8582         (Relobj::do_gc_process_relocs): New pure virtual function.
8583         (Relobj::sd_): New data member.
8584         (Sized_relobj::is_output_section_offset_invalid): New function.
8585         (Sized_relobj::do_gc_process_relocs): New function.
8586         * options.h (General_options::gc_sections): Modify to not be a no-op.
8587         (General_options::print_gc_sections): New option.
8588         * plugin.cc (Plugin_finish::run): Remove function call to
8589         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8590         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8591         * reloc.cc (Read_relocs::run): Add task to process relocs and
8592         determine unreferenced sections when doing garbage collection.
8593         (Gc_process_relocs): New class.
8594         (Sized_relobj::do_gc_process_relocs): New function.
8595         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8596         sections that are garbage collected.
8597         * reloc.h (Gc_process_relocs): New class.
8598         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8599         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8600         symbols whose corresponding sections are garbage collected.
8601         (Symbol_table::Symbol_table): Add new parameter for the garbage
8602         collection object.
8603         (Symbol_table::gc_mark_undef_symbols): New function.
8604         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8605         (Symbol_table::gc_mark_dyn_syms): New function.
8606         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8607         as garbage.
8608         (Symbol_table::add_from_object): Likewise.
8609         (Symbol_table::add_from_relobj): When building shared objects, do not
8610         treat externally visible symbols as garbage.
8611         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8612         table information for static and relocatable links.
8613         * symtab.h (Symbol_table::set_gc): New function.
8614         (Symbol_table::gc): New function.
8615         (Symbol_table::gc_mark_undef_symbols): New function.
8616         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8617         (Symbol_table::gc_mark_dyn_syms): New function.
8618         (Symbol_table::gc_): New data member.
8619         * target.h (Sized_target::gc_process_relocs): New pure virtual
8620         function.
8621         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8622         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8623
8624 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8625
8626         * options.h (General_options::gc_sections): Define as a no-op for now.
8627         (General_options::no_keep_memory): Ditto.
8628         (General_options::Bshareable): Define.
8629         * options.cc (General_options::finalize): Honor -Bshareable.
8630
8631 2009-01-20  Andreas Schwab  <schwab@suse.de>
8632
8633         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8634         read the value in the contents, since we don't use it.  Use the
8635         template endianness when writing.
8636         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8637
8638 2009-01-19  Andreas Schwab  <schwab@suse.de>
8639
8640         * configure.tgt (powerpc64-*): Fix targ_obj.
8641
8642 2009-01-15  Ian Lance Taylor  <iant@google.com>
8643
8644         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8645         local symbols when stripping all symbols.
8646
8647 2009-01-14  Cary Coutant  <ccoutant@google.com>
8648
8649         * output.cc (Output_reloc): Add explicit instantiations.
8650
8651 2009-01-14  Cary Coutant  <ccoutant@google.com>
8652
8653         * archive.cc (Archive::get_elf_object_for_member): Remove call
8654         to File_read::claim_for_plugin.
8655         * descriptors.cc (Descriptors::open): Remove reference to
8656         is_claimed.
8657         (Descriptors::claim_for_plugin): Remove.
8658         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8659         (Descriptors::is_claimed): Remove.
8660         (claim_descriptor_for_plugin): Remove.
8661         * fileread.cc (File_read::claim_for_plugin): Remove.
8662         * fileread.h (File_read::claim_for_plugin): Remove.
8663         (File_read::descriptor): Reopen descriptor if necessary.
8664         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8665         (Plugin_manager::all_symbols_read): Add task parameter. Change
8666         all callers.
8667         (Plugin_manager::get_input_file): New function.
8668         (Plugin_manager::release_input_file): New function.
8669         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8670         corresponding data member.
8671         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8672         and pass to base constructor. Change all callers.
8673         (get_input_file, release_input_file): New functions.
8674         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8675         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8676         (Plugin_manager::all_symbols_read): Add task parameter.
8677         (Plugin_manager::get_input_file): New function.
8678         (Plugin_manager::release_input_file): New function.
8679         (Plugin_manager::task_): New data member.
8680         (Pluginobj::Pluginobj): Add filesize parameter.
8681         (Pluginobj::filename): New function.
8682         (Pluginobj::descriptor): New function.
8683         (Pluginobj::filesize): New function.
8684         (Pluginobj::filesize_): New data member.
8685         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8686         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8687         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8688
8689         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8690         with archive libraries.
8691         * testsuite/Makefile.in: Regenerate.
8692         * testsuite/plugin_test.c (struct sym_info): New type.
8693         (get_input_file, release_input_file): New static variables.
8694         (onload): Capture new transfer vector entries.
8695         (claim_file_hook): Stop reading at end of file according to filesize.
8696         Factor out parsing of readelf output into separate function.
8697         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8698         APIs and get the source file name from the symbol table.  Convert
8699         source file name to corresponding object file name.  Print info
8700         message when adding new input files.
8701         (parse_readelf_line): New function.
8702         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8703         * testsuite/plugin_test_2.sh: Likewise.
8704         * testsuite/plugin_test_3.sh: Likewise.
8705         * testsuite/plugin_test_4.sh: New test case.
8706
8707 2009-01-07  Ian Lance Taylor  <iant@google.com>
8708
8709         * version.cc (version_string): Bump to 1.8.
8710
8711 2008-12-23  Cary Coutant  <ccoutant@google.com>
8712
8713         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8714         * plugin.cc (Plugin_manager::finish): Rename as
8715         layout_deferred_objects.  Move cleanup to separate function.
8716         (Plugin_manager::cleanup): New function.
8717         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8718         separately.
8719         * plugin.h (Plugin_manager::finish): Rename as
8720         layout_deferred_objects.
8721         (Plugin_manager::cleanup): New function.
8722         (Plugin_manager::cleanup_done): New field.
8723
8724 2008-12-23  Cary Coutant  <ccoutant@google.com>
8725
8726         * plugin.cc (is_visible_from_outside): New function.
8727         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8728         so we don't return "IR only" status for exported symbols or -r links.
8729
8730         * testsuite/Makefile.am (plugin_test_3): New test case.
8731         * testsuite/Makefile.in: Regenerate.
8732         * testsuite/plugin_test_3.sh: New file.
8733
8734 2008-12-22  Cary Coutant  <ccoutant@google.com>
8735
8736         * object.cc (Sized_relobj::layout_section): New function.
8737         (Sized_relobj::do_layout): Defer layout of input sections until after
8738         plugin has provided replacement files.
8739         (Sized_relobj::do_layout_deferred_sections): New function.
8740         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8741         (Relobj::layout_deferred_sections): New function.
8742         (Relobj::do_layout_deferred_sections): New function.
8743         (Sized_relobj::do_layout_deferred_sections): New function.
8744         (Sized_relobj::layout_section): New function.
8745         (Sized_relobj::Deferred_layout): New structure.
8746         (Sized_relobj::deferred_layout_): New field.
8747         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8748         Change all callers.  Layout deferred sections.
8749         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8750         references.
8751         (Plugin_hook::run): Move code from do_plugin_hook inline.
8752         (Plugin_hook::do_plugin_hook): Remove.
8753         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8754         (Plugin_manager::finish): Renamed, was cleanup.
8755         (Plugin_manager::should_defer_layout): New function.
8756         (Plugin_manager::add_deferred_layout_object): New function.
8757         (Plugin_manager::Deferred_layout_list): New type.
8758         (Plugin_manager::deferred_layout_objects_): New field.
8759         (Plugin_hook::do_plugin_hook): Remove.
8760
8761 2008-12-17  Ian Lance Taylor  <iant@google.com>
8762
8763         * options.h (class General_options): Add --no case for
8764         --export-dynamic.
8765
8766 2008-12-16  Cary Coutant  <ccoutant@google.com>
8767
8768         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8769         vector.
8770         (Plugin_manager::claim_file): Create plugin object even if
8771         plugin did not call the add_symbols callback.
8772         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8773         asking for more symbols than were added.
8774         * testsuite/Makefile.am (plugin_test_1): Add test case with
8775         no global symbols.
8776         (empty.syms): New target.
8777         * testsuite/Makefile.in: Regenerate.
8778         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8779         message. Don't call add_symbols if no globals.
8780         (all_symbols_read_hook): Don't provide replacement for empty
8781         claimed file.
8782
8783 2008-12-12  Ian Lance Taylor  <iant@google.com>
8784
8785         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8786         r_type == 0 for a local symbol with r_sym == 0.
8787         (scan_relocatable_relocs): Pass r_sym to
8788         local_non_section_strategy.
8789         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8790         r_sym parameter.
8791
8792         * configure.ac: Update test for TLS descriptors: they are
8793         supported as of glibc 2.9.
8794         * configure: Rebuild.
8795
8796 2008-12-11  Ian Lance Taylor  <iant@google.com>
8797
8798         PR 7091
8799         * target-reloc.h (Default_scan_relocatable_relocs): For each
8800         function, map r_type == 0 to RELOC_DISCARD.
8801
8802 2008-12-10  Cary Coutant  <ccoutant@google.com>
8803
8804         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8805         object to override a kept COMDAT group from a plugin object.
8806
8807 2008-12-09  Ian Lance Taylor  <iant@google.com>
8808
8809         PR 7088
8810         * yyscript.y (file_cmd): Handle INPUT.
8811
8812         * testsuite/initpri1.c: Change all declarations to be full
8813         prototypes by adding void, to avoid compiler warnings.
8814
8815 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8816
8817         * options.cc (General_options::parse_plugin_opt): New.
8818         (General_options::add_plugin): The argument now is just the filename.
8819         (General_options::add_plugin_option): New.
8820         * options.h (plugin_opt): New.
8821         (add_plugin): Change argument name.
8822         (add_plugin_option): New.
8823         * plugin.cc (Plugin::load): Don't parse the plugin option.
8824         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8825         (Plugin::add_option): New.
8826         (Plugin::args_): Change type.
8827         (Plugin::filename_): New.
8828         (Plugin_manager::add_plugin_option): New.
8829         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8830         * testsuite/Makefile.in: Regenerate.
8831
8832 2008-12-05  Cary Coutant  <ccoutant@google.com>
8833
8834         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8835         Handle --strip-lto-sections option.
8836         * options.h (strip_lto_sections): New option.
8837
8838 2008-12-01  Cary Coutant  <ccoutant@google.com>
8839
8840         * plugin.cc (ld_plugin_message): Change format parameter to const.
8841         Fix mismatch between new[] and delete.
8842
8843 2008-11-14  Cary Coutant  <ccoutant@google.com>
8844
8845         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8846         instead of -1U.
8847
8848 2008-11-05  Craig Silverstein  <csilvers@google.com>
8849
8850         * options.cc (General_options::parse_dynamic_list): New function.
8851         * options.h (General_options): New flags dynamic_list,
8852         dynamic_list_data, dynamic_list_cpp_new, and
8853         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8854         (General_options::in_dynamic_list): New function.
8855         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8856         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8857         (Lex::can_continue_name): Likewise.
8858         (yylex): Likewise.
8859         (read_script_file): New parameter script_options.
8860         (read_dynamic_list): New function.
8861         (Script_options::define_dynamic_list): New function.
8862         (dynamic_list_keyword_parsecodes): New variable.
8863         (dynamic_list_keywords): New variable.
8864         * script.h (Script_options::define_dynamic_list): New function
8865         prototype.
8866         (read_dynamic_list): New function prototype.
8867         * symtab.cc (strprefix): New macro.
8868         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8869         dynamic_list_data, dynamic_list_cpp_new, and
8870         dynamic_list_cpp_typeinfo.
8871         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8872         (dynamic_list_expr): New rule.
8873         (dynamic_list_nodes): Likewise.
8874         (dynamic_list_node): Likewise.
8875         * testsuite/Makefile.am (dynamic_list): New test.
8876         * testsuite/Makefile.in: Regenerated.
8877         * testsuite/dynamic_list.t: New file.
8878         * testsuite/dynamic_list.sh: New file.
8879
8880 2008-11-05  Craig Silverstein  <csilvers@google.com>
8881
8882         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8883         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8884         (t11_last): Likewise.
8885         * testsuite/ver_test_6.c (main): Likewise.
8886
8887 2008-10-07  Cary Coutant  <ccoutant@google.com>
8888
8889         * options.c (General_options::finalize): Add check for -static and
8890         -shared.
8891         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8892         is not empty.
8893
8894 2008-10-02  Cary Coutant  <ccoutant@google.com>
8895
8896         * plugin.cc (make_sized_plugin_object): Fix conditional
8897         compilation to work when not all targets are enabled.
8898
8899 2008-09-29  Cary Coutant  <ccoutant@google.com>
8900
8901         * archive.cc (Archive::get_file_and_offset): Use filename instead
8902         of name to get library path.
8903         (Archive::include_member): Unlock external member of a thin archive.
8904
8905         * testsuite/Makefile.am (TEST_AR): New variable.
8906         (thin_archive_test_1): New test.
8907         (thin_archive_test_2): New test.
8908         * testsuite/Makefile.in: Regenerate.
8909         * testsuite/thin_archive_main.cc: New file.
8910         * testsuite/thin_archive_test_1.cc: New file.
8911         * testsuite/thin_archive_test_2.cc: New file.
8912         * testsuite/thin_archive_test_3.cc: New file.
8913         * testsuite/thin_archive_test_4.cc: New file.
8914
8915 2008-09-29  Cary Coutant  <ccoutant@google.com>
8916
8917         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8918         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8919         instead of -1U.
8920         (Sized_relobj::do_finalize_local_symbols): Likewise.
8921         (Sized_relobj::map_to_kept_section): Likewise.
8922         * object.h (Sized_relobj::invalid_address): New constant.
8923         (Sized_relobj::do_output_section_offset): Check for invalid_address
8924         and return -1ULL.
8925         * output.cc (Output_reloc::local_section_offset): Use constant
8926         invalid_address instead of -1U.
8927         (Output_reloc::get_address): Likewise.
8928         (Output_section::output_address): Change -1U to -1ULL.
8929         * output.h (Output_reloc::invalid_address): New constant.
8930         * reloc.cc (Sized_relobj::write_sections): Use constant
8931         invalid_address instead of -1U.
8932         (Sized_relobj::relocate_sections): Likewise.
8933         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8934         values for merge sections.
8935         * target-reloc.h (relocate_for_relocatable): Use constant
8936         invalid_address instead of -1U.
8937
8938 2008-09-19  Cary Coutant  <ccoutant@google.com>
8939
8940         Add plugin functionality for link-time optimization (LTO).
8941         * configure.ac (plugins): Add --enable-plugins option.
8942         * configure: Regenerate.
8943         * config.in: Regenerate.
8944         * Makefile.am (LIBDL): New variable.
8945         (CCFILES): Add plugin.cc.
8946         (HFILES): Add plugin.h.
8947         (ldadd_var): Add LIBDL.
8948         * Makefile.in: Regenerate.
8949
8950         * archive.cc: Include "plugin.h".
8951         (Archive::setup): Don't preread archive symbols when using a plugin.
8952         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8953         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8954         files.
8955         (Archive::include_member): Add symbols from plugin objects.
8956         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8957         * descriptors.cc (Descriptors::open): Check for file descriptors
8958         abandoned by plugins.
8959         (Descriptors::claim_for_plugin): New function.
8960         * descriptors.h (Descriptors::claim_for_plugin): New function.
8961         (Open_descriptor::is_claimed): New field.
8962         (claim_descriptor_for_plugin): New function.
8963         * fileread.cc (File_read::claim_for_plugin): New function.
8964         * fileread.h (File_read::claim_for_plugin): New function.
8965         (File_read::descriptor): New function.
8966         * gold.cc: Include "plugin.h".
8967         (queue_initial_tasks): Add task to call plugin hooks for generating
8968         new object files.
8969         * main.cc: Include "plugin.h".
8970         (main): Load plugin libraries.
8971         * object.h (Pluginobj): Declare.
8972         (Object::pluginobj): New function.
8973         (Object::do_pluginobj): New function.
8974         (Object::set_target): New function.
8975         * options.cc: Include "plugin.h".
8976         (General_options::parse_plugin): New function.
8977         (General_options::General_options): Initialize plugins_ field.
8978         (General_options::add_plugin): New function.
8979         * options.h (Plugin_manager): Declare.
8980         (General_options): Add --plugin option.
8981         (General_options::has_plugins): New function.
8982         (General_options::plugins): New function.
8983         (General_options::add_plugin): New function.
8984         (General_options::plugins_): New field.
8985         * plugin.cc: New file.
8986         * plugin.h: New file.
8987         * readsyms.cc: Include "plugin.h".
8988         (Read_symbols::do_read_symbols): Check for archive before checking
8989         for ELF file.  Call plugin hooks to claim files.
8990         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8991         from a real object file; force override when processing replacement
8992         files.
8993         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8994         (Symbol::init_base_object): Likewise.
8995         (Symbol::init_base_output_data): Likewise.
8996         (Symbol::init_base_output_segment): Likewise.
8997         (Symbol::init_base_constant): Likewise.
8998         (Symbol::init_base_undefined): Likewise.
8999         (Symbol::output_section): Assert that object is not a plugin.
9000         (Symbol_table::add_from_pluginobj): New function.
9001         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9002         undefined.
9003         (Symbol_table::sized_write_globals): Likewise.
9004         (Symbol_table::add_from_pluginobj): Instantiate template.
9005         * symtab.h (Sized_pluginobj): Declare.
9006         (Symbol::in_real_elf): New function.
9007         (Symbol::set_in_real_elf): New function.
9008         (Symbol::in_real_elf_): New field.
9009         (Symbol_table::add_from_pluginobj): New function.
9010
9011         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9012         (LIBDL): New variable.
9013         (LDADD): Add LIBDL.
9014         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9015         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9016         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9017         (MOSTLYCLEANFILES): Likewise.
9018         * testsuite/Makefile.in: Regenerate.
9019         * testsuite/plugin_test.c: New file.
9020         * testsuite/plugin_test_1.sh: New file.
9021         * testsuite/plugin_test_2.sh: New file.
9022
9023 2008-09-16  Ian Lance Taylor  <iant@google.com>
9024
9025         * target-reloc.h (relocate_section): Check whether a symbol is
9026         defined by the ABI before reporting an undefined symbol error.
9027         * target.h (Target::is_defined_by_abi): Make parameter const.
9028         (Target::do_is_defined_by_abi): Likewise.
9029         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9030         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9031         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9032         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9033         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9034         * testsuite/Makefile.in: Rebuild.
9035
9036         * fileread.cc (make_view): Add casts to avoid warning.
9037
9038 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9039
9040         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9041         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9042
9043 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9044
9045         * options.h (General_options::output_is_executable): New.
9046         (General_options::output_is_pie): New.
9047         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9048         for shared libraries.
9049         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9050
9051 2008-09-11  Chris Demetriou  <cgd@google.com>
9052
9053         * options.h (origin): New -z option.
9054         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9055         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9056         in DT_FLAGS_1.
9057
9058 2008-09-05  Cary Coutant  <ccoutant@google.com>
9059
9060         * fileread.cc (File_read::make_view): Add check for attempt to map
9061         beyond end of file.
9062
9063 2008-09-05  Cary Coutant  <ccoutant@google.com>
9064
9065         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9066         explicit instantiations.
9067
9068 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9069
9070         PR gold/6858
9071         * options.cc (General_options::finalize): Allow undefined symbols
9072         in shlibs if linking -shared.
9073
9074         PR gold/6859
9075         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9076         symbols as not needing a dynsym entry.
9077
9078 2008-08-20  Craig Silverstein  <csilvers@google.com>
9079
9080         * fileread.cc (File_read::open): Do not lock the file unless it
9081         was successfully opened.
9082
9083 2008-08-14  Cary Coutant  <ccoutant@google.com>
9084
9085         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9086         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9087         * testsuite/tls_test.cc (struct int128): 128-bit struct
9088         for testing TLS relocs with non-zero addend.
9089         (v12): New TLS variable.
9090         (t12): New test.
9091         (t_last): Add check for v12.
9092         * testsuite/tls_test.h (t12): New function.
9093         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9094
9095 2008-08-13  Ian Lance Taylor  <iant@google.com>
9096
9097         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9098         set tls_segment_ or relro_segment_.
9099         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9100         when appropriate.
9101         * output.h (Output_section::clear_is_relro): New function.
9102         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9103         sections specially even when output_data_ is empty.
9104         (Output_segment::maximum_alignment): When first section is relro,
9105         only force alignment for PT_LOAD segments.
9106         * script.cc (script_data_segment_align): New function.
9107         (script_data_segment_relro_end): New function.
9108         * script-c.h (script_data_segment_align): Declare.
9109         (script_data_segment_relro_end): Declare.
9110         * script-sections.h (class Script_sections): Declare
9111         data_segment_align and data_segment_relro_end.  Add fields
9112         segment_align_index_ and saw_relro_end_.
9113         * script-sections.cc (class Sections_element): Add set_is_relro
9114         virtual function.  Add new bool* parameter to place_orphan_here.
9115         Add get_output_section virtual function.
9116         (class Output_section_definition): Add set_is_relro.  Add new
9117         bool* parameter to place_orphan_here.  Add get_output_section.
9118         Add is_relro_ field.
9119         (Output_section_definition::Output_section_definition): Initialize
9120         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9121         and is_relro_ fields.
9122         (Output_section_definition::place_orphan_here): Add is_relro
9123         parameter.
9124         (Output_section_definition::set_section_addresses): Set relro for
9125         output section.
9126         (Output_section_definition::alternate_constraint): Likewise.
9127         (class Orphan_output_section): Add new bool* parameter to
9128         place_orphan_here.  Add get_output_section.
9129         (Orphan_output_section::place_orphan_here): Add is_relro
9130         parameter.
9131         (Script_sections::Script_sections): Initialize
9132         data_segment_align_index_ and saw_relro_end_.
9133         (Script_sections::data_segment_align): New function.
9134         (Script_sections::data_segment_relro_end): New function.
9135         (Script_sections::place_orphan): Set or clear is_relro.
9136         (Script_sections::set_section_addresses): Force alignment of first
9137         TLS section.
9138         * yyscript.y (exp): Call script_data_segment_align and
9139         script_data_segment_relro_end.
9140         * testsuite/relro_script_test.t: New file.
9141         * testsuite/relro_test.cc (using_script): Declare.
9142         (t1, t2): Test using_script.
9143         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9144         (relro_script_test_SOURCES): Define.
9145         (relro_script_test_DEPENDENCIES): Define.
9146         (relro_script_test_LDFLAGS): Define.
9147         (relro_script_test_LDADD): Define.
9148         (relro_script_test.so): New target.
9149         * testsuite/Makefile.in: Rebuild.
9150
9151 2008-08-06  Cary Coutant <ccoutant@google.com>
9152
9153         * archive.cc (Archive::total_archives, Archive::total_members)
9154         (Archive::total_members_loaded): New variables.
9155         (Archive::setup): Add parameter.  Add option to preread
9156         archive symbols.
9157         (Archive::read_armap): Add counter.
9158         (Archive::get_file_and_offset): New function.
9159         (Archive::get_elf_object_for_member): New function.
9160         (Archive::read_all_symbols): New function.
9161         (Archive::read_symbols): New function.
9162         (Archive::add_symbols): Add counters.
9163         (Archive::include_all_members): Use armap to find members if it's
9164         already built.
9165         (Archive::include_member): Skip reading symbols if already read.
9166         Factored code into Archive::get_file_and_offset and
9167         Archive::get_elf_object_for_member.  Changed call to
9168         Mapfile::report_include_archive_member.
9169         (Archive::print_stats): New function.
9170         * archive.h: Declare Object and Read_symbols_data classes.
9171         (Archive::Archive): Add initializers for new members.
9172         (Archive::setup): Add parameter.
9173         (Archive::print_stats): New function.
9174         (Archive::total_archives, Archive::total_members)
9175         (Archive::total_members_loaded): New variables.
9176         (Archive::get_file_and_offset): New function.
9177         (Archive::get_elf_object_for_member): New function.
9178         (Archive::read_all_symbols): New function.
9179         (Archive::read_symbols): New function.
9180         (Archive::Archive_member): New class.
9181         (Archive::members_): New member.
9182         (Archive::num_members_): New member.
9183         * main.cc: Include archive.h.
9184         (main): Call Archive::print_stats.
9185         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9186         archive parameter; member_name is now the fully-decorated name.
9187         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9188         * options.h: (General_options): Add --preread-archive-symbols option.
9189         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9190         Archive::setup.
9191
9192 2008-08-04  Ian Lance Taylor  <iant@google.com>
9193
9194         * symtab.h (Symbol::use_plt_offset): New function.
9195         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9196         * powerpc.cc (Relocate::relocate): Likewise.
9197         * sparc.cc (Relocate::relocate): Likewise.
9198         * x86_64.cc (Relocate::relocate): Likewise.
9199         * testsuite/weak_plt.sh: New test.
9200         * testsuite/weak_plt_main.cc: New test.
9201         * testsuite/weak_plt_shared.cc: New test.
9202         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9203         (check_PROGRAMS): Add weak_plt.
9204         (check_DATA): Add weak_plt_shared.so.
9205         (weak_plt_main_pic.o, weak_plt): New targets.
9206         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9207         * testsuite/Makefile.in: Rebuild.
9208
9209         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9210         gcctestdir/ld.
9211         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9212         * testsuite/Makefile.in: Rebuild.
9213
9214 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9215
9216         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9217         * Makefile.in: Regenerate.
9218         * po/POTFILES.in: Regenerate.
9219
9220 2008-07-29  Ian Lance Taylor  <iant@google.com>
9221
9222         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9223         symbols before other symbols.
9224         * testsuite/script_test_2.cc (test_addr): Declare.
9225         (test_addr_alias): Declare.
9226         (main): Check that test_addr and test_addr_alias have the right
9227         values.
9228         * testsuite/script_test_2.t: Define test_addr_alias and
9229         test_addr.
9230
9231 2008-07-24  Ian Lance Taylor  <iant@google.com>
9232
9233         PR 5990
9234         * descriptors.cc: New file.
9235         * descriptors.h: New file.
9236         * gold-threads.h (class Hold_optional_lock): New class.
9237         * fileread.cc: Include "descriptors.h".
9238         (File_read::~File_read): Release descriptor rather than closing
9239         it.
9240         (File_read::open) [file]: Call open_descriptor rather than open.
9241         Set is_descriptor_opened_.
9242         (File_read::open) [memory]: Assert that descriptor is not open.
9243         (File_read::reopen_descriptor): New function.
9244         (File_read::release): Release descriptor.
9245         (File_read::do_read): Make non-const.  Reopen descriptor.
9246         (File_read::read): Make non-const.
9247         (File_read::make_view): Reopen descriptor.
9248         (File_read::do_readv): Likewise.
9249         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9250         Update declarations.
9251         * layout.cc: Include "descriptors.h".
9252         (Layout::create_build_id): Use open_descriptor rather than open.
9253         * output.cc: Include "descriptors.h".
9254         (Output_file::open): Use open_descriptor rather than open.
9255         * archive.cc (Archive::const_iterator): Change Archive to be
9256         non-const.
9257         (Archive::begin, Archive::end): Make non-const.
9258         (Archive::count_members): Likewise.
9259         * archive.h (class Archive): Update declarations.
9260         * object.h (Object::read): Make non-const.
9261         * Makefile.am (CCFILES): Add descriptors.cc.
9262         (HFILES): Add descriptors.h.
9263         * Makefile.in: Rebuild.
9264
9265         PR 6716
9266         * gold.h: Always include <clocale>.  Add Solaris workarounds
9267         following code in binutils/sysdep.h.
9268
9269         PR 6048
9270         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9271         this->eh_frame_hdr_ is NULL before using it.
9272
9273         * dynobj.cc (Versions::Versions): Update comment.
9274
9275         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9276         the base version name.
9277
9278         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9279         array size plus one.
9280         (Stringpool_template::set_string_offsets): Subtract one from key
9281         before using it as an array index.
9282         (Stringpool_template::get_offset_with_length): Likewise.
9283         (Stringpool_template::write_to_buffer): Likewise.
9284         * stringpool.h (Stringpool_template::get_offset_from_key):
9285         Likewise.
9286
9287 2008-07-23  Ian Lance Taylor  <iant@google.com>
9288
9289         PR 6658
9290         * object.h (Merged_symbol_value::value): Do our best to handle a
9291         negative addend.
9292
9293         PR 6647
9294         * script.cc (Version_script_info::get_versions): Don't add empty
9295         version tag to return value.
9296         (Version_script_info::get_symbol_version_helper): Change return
9297         type to bool.  Add pversion parameter.  Change all callers.
9298         (script_register_vers_node): Don't require a non-NULL tag.
9299         * script.h (class Version_script_info): Update declarations.
9300         (Version_script_info::get_symbol_version): Change return type to
9301         bool.  Add version parameter.  Change all callers.
9302         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9303         handling.  Handle an empty version from a version script.
9304         (Symbol_table::define_special_symbol): Likewise.
9305         * testsuite/ver_test_10.script: New file.
9306         * testsuite/ver_test_10.sh: New file.
9307         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9308         (check_DATA): Add ver_test_10.syms.
9309         (ver_test_10.syms, ver_test_10.so): New target.
9310         * testsuite/Makefile.in: Rebuild.
9311
9312 2008-07-23  Simon Baldwin  <simonb@google.com>
9313
9314         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9315         to zero for undefined symbols from dynamic libraries.
9316
9317 2008-07-23  Ian Lance Taylor  <iant@google.com>
9318
9319         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9320         Change all callers.
9321         * symtab.h (class Symbol_table): Update declaration.
9322         * testsuite/ver_test_9.cc: New file.
9323         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9324         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9325         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9326         (ver_test_9.so, ver_test_9.o): New targets.
9327         * testsuite/Makefile.in: Rebuild.
9328
9329 2008-07-22  Ian Lance Taylor  <iant@google.com>
9330
9331         * options.h (class General_options): Define --check-sections.
9332         * layout.cc (Layout::set_segment_offsets): Handle
9333         --check-sections.
9334
9335         * options.h (class General_options): Define -n/--nmagic and
9336         -N/--omagic.
9337         * options.cc (General_options::finalize): For -n/--nmagic or
9338         -N/--omagic, set -static.
9339         * layout.cc (Layout::attach_allocated_section_to_segment): If
9340         -N/--omagic, don't put read-only and read-write sections in
9341         different segments.
9342         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9343         finding a read-only segment.
9344         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9345         don't set the minimum segment alignment to the common page size,
9346         and don't set the file offset to the address modulo the page size.
9347         * script-sections.cc (Script_sections::create_segments): If
9348         -n/--omagic, don't put read-only and read-write sections in
9349         different segments.
9350
9351         * cref.cc: New file.
9352         * cref.h: New file.
9353         * options.h (class General_options): Add --print-symbol-counts.
9354         * main.cc (main): Issue defined symbol report if requested.
9355         * archive.cc (Archive::interpret_header): Make into a const member
9356         function.
9357         (Archive::add_symbols): Call Input_objects::archive_start and
9358         archive_stop.
9359         (Archive::const_iterator): Define new class.
9360         (Archive::begin, Archive::end): New functions.
9361         (Archive::include_all_members): Rewrite to use iterator.
9362         (Archive::count_members): New function.
9363         * archive.h (class Archive): Update declarations.
9364         (Archive::filename): New function.
9365         * object.cc: Include "cref.h".
9366         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9367         (Sized_relobj::do_get_global_symbol_counts): New function.
9368         (Input_objects::add_object): Add object to cross-referencer.
9369         (Input_objects::archive_start): New function.
9370         (Input_objects::archive_stop): New function.
9371         (Input_objects::print_symbol_counts): New function.
9372         * object.h: Declare Cref and Archive.
9373         (Object::get_global_symbol_counts): New function.
9374         (Object::do_get_global_symbol_counts): New pure virtual function.
9375         (class Sized_relobj): Add defined_count_ field.  Update
9376         declarations.
9377         (class Input_objects): Add cref_ field.  Update constructor.
9378         Update declarations.
9379         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9380         defined_count_.
9381         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9382         symbol counts.
9383         (Sized_dynobj::do_get_global_symbol_counts): New function.
9384         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9385         defined_count_.  Update declarations.  Define Symbols typedef.
9386         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9387         parameter.  Change all callers.
9388         (Symbol_table::add_from_dynobj): Add sympointers and defined
9389         parameters.  Change all callers.
9390         * symtab.h (class Symbol_table): Update declarations.
9391         * Makefile.am (CCFILES): Add cref.cc.
9392         (HFILES): Add cref.h.
9393         * Makefile.in: Rebuild.
9394
9395 2008-07-22  Simon Baldwin  <simonb@google.com>
9396
9397         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9398         to zero when writing undefined symbols.
9399
9400 2008-07-22  Ian Lance Taylor  <iant@google.com>
9401
9402         * output.cc (Output_section::add_input_section): Don't try to
9403         merge empty merge sections.
9404
9405 2008-07-21  Craig Silverstein  <csilvers@google.com>
9406
9407         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9408         Include symbol version in error message.
9409
9410 2008-07-20  Chris Demetriou  <cgd@google.com>
9411
9412         * configure.ac (gold_cv_c_random_seed): New configured variable.
9413         (RANDOM_SEED_CFLAGS): New substituted variable.
9414         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9415         * configure: Rebuild.
9416         * Makefile.in: Likewise.
9417         * testsuite/Makefile.in: Likewise.
9418
9419 2008-07-18  Ian Lance Taylor  <iant@google.com>
9420
9421         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9422         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9423         * testsuite/ver_test_main.cc (main): Call t4.
9424         (t4, t4_2a): Define.
9425         * testsuite/ver_test_2.cc (t4_2): Define.
9426         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9427         * testsuite/ver_test_4.cc (t4_2a): Define.
9428         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9429         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9430
9431 2008-07-17  Ian Lance Taylor  <iant@google.com>
9432
9433         * dynobj.cc (Versions::add_def): If we give an error about a
9434         missing version, go ahead and create the version anyhow.
9435
9436 2008-07-10  Ian Lance Taylor  <iant@google.com>
9437
9438         Handle output sections with more than 0x7fffffff bytes.
9439         * object.h (class Relobj): Change map_to_output_ to
9440         output_sections_, and just keep a section pointer.  Change all
9441         uses.  Move comdat group support to Sized_relobj.
9442         (Relobj::is_section_specially_mapped): Remove.
9443         (Relobj::output_section): Remove poff parameter.  Change all
9444         callers.
9445         (Relobj::output_section_offset): New function.
9446         (Relobj::set_section_offset): Rewrite.
9447         (Relobj::map_to_output): Remove.
9448         (Relobj::output_sections): New function.
9449         (Relobj::do_output_section_offset): New pure virtual function.
9450         (Relobj::do_set_section_offset): Likewise.
9451         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9452         group support from Relobj.  Update declarations.
9453         (Sized_relobj::get_output_section_offset): New function.
9454         (Sized_relobj::do_output_section_offset): New function.
9455         (Sized_relobj::do_set_section_offset): New function.
9456         * object.cc (Relobj::output_section_address): Remove.
9457         (Sized_relobj::Sized_relobj): Initialize new fields.
9458         (Sized_relobj::include_section_group): Cast find_kept_object to
9459         Sized_relobj.
9460         (Sized_relobj::include_linkonce_section): Likewise.
9461         (Sized_relobj::do_layout): Use separate arrays for output section
9462         and output offset.
9463         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9464         output_sections.
9465         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9466         output_sections and section_offsets.
9467         (Sized_relobj::write_local_symbols): Likewise.
9468         (map_to_kept_section): Compute output address directly.
9469         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9470         output_sections and section_offsets.
9471         (Sized_relobj::write_sections): Likewise.
9472         (Sized_relobj::relocate_sections): Likewise.
9473         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9474         * output.h (class Output_reloc): Update declarations.  Change
9475         u2_.relobj to Sized_relobj*.
9476         (class Output_data_reloc): Change add functions to use
9477         Sized_relobj*.
9478         * output.cc (Output_reloc::Output_reloc): Change relobj to
9479         Sized_relobj*.
9480         (Output_reloc::local_section_offset): Change return type to
9481         Elf_Addr.  Use get_output_section_offset.
9482         (Output_reloc::get_address): Likewise.
9483         (Output_section::is_input_address_mapped): Don't call
9484         is_section_specially_mapped.
9485         (Output_section::output_offset): Likewise.
9486         (Output_section::output_address): Likewise.
9487         (Output_section::starting_output_address): Likewise.
9488         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9489         parameter to Sized_relobj*.
9490         (Copy_relocs::need_copy_reloc): Likewise.
9491         (Copy_relocs::save): Likewise.
9492         * copy-relocs.h (class Copy_relocs): Update declarations.
9493         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9494         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9495         * target-reloc.h (relocate_for_relocatable): Change
9496         offset_in_output_section type to Elf_Addr.  Change code that uses
9497         it as well.
9498         * layout.cc (Layout::layout): Always set *off.
9499         * mapfile.cc (Mapfile::print_input_section): Use
9500         output_section_offset.
9501         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9502         Sized_relobj*.
9503         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9504         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9505         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9506
9507 2008-07-03  Ian Lance Taylor  <iant@google.com>
9508
9509         * layout.cc (Layout::include_section): Do not discard unrecognized
9510         SHT_STRTAB sections.
9511
9512 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9513
9514         * script.cc (Lex::can_continue_name): Make '?' allowable in
9515         version-script names.
9516         * testsuite/version_script.map: Change glob pattern to use '?'
9517
9518 2008-06-30  Manish Singh  <yosh@gimp.org>
9519
9520         PR 6585
9521         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9522         Correct typo.
9523
9524 2008-06-30  Ian Lance Taylor  <iant@google.com>
9525
9526         PR 6660
9527         PR 6682
9528         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9529         versions]: Don't try to read the value in the contents, since we
9530         don't use it.  Use the template endianness when writing.
9531
9532 2008-06-25  Cary Coutant  <ccoutant@google.com>
9533
9534         * fileread.cc (File_read::make_view): Assert on zero-length view.
9535         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9536         symbol table when there are no symbols to read.
9537
9538 2008-06-23  Craig Silverstein  <csilvers@google.com>
9539
9540         * version.cc (version_string): Bump to 1.7
9541
9542 2008-06-18  Craig Silverstein  <csilvers@google.com>
9543
9544         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9545         constant 0xFFFF to type Valtype.
9546         (Powerpc_relocate_functions::rel16_ha): Likewise.
9547
9548 2008-06-17  Ian Lance Taylor  <iant@google.com>
9549
9550         * output.h (Output_section::Input_section): Initialize p2align_ to
9551         zero for Output_section_data constructors.
9552         (Output_section::Input_section::addralign): If not an input
9553         section, return the alignment of the Output_section_data.
9554         * testsuite/copy_test.cc: New file.
9555         * testsuite/copy_test_1.cc: New file.
9556         * testsuite/copy_test_2.cc: New file.
9557         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9558         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9559         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9560         (copy_test_1_pic.o, copy_test_1.so): New targets.
9561         (copy_test_2_pic.o, copy_test_2.so): New targets.
9562         * testsuite/Makefile.in: Rebuild.
9563
9564         * script-sections.cc (Script_sections::place_orphan): Initialize
9565         local variable exact.
9566
9567 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9568
9569         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9570
9571 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9572             David S. Miller  <davem@davemloft.net>
9573
9574         * powerpc.cc: New file.
9575         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9576         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9577         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9578         * Makefile.in: Rebuild.
9579
9580 2008-06-09  Ian Lance Taylor  <iant@google.com>
9581
9582         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9583         <exception>.
9584         (throwing, orig_terminate): New static variables.
9585         (terminate_handler): New static function.
9586         (t2): Set terminate handler.
9587
9588 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9589
9590         PR 6584
9591         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9592         alignment.
9593
9594 2008-05-30  Cary Coutant  <ccoutant@google.com>
9595
9596         * archive.cc (Archive::include_all_members) Correct to step
9597         over symbol table and extended name table in thin archives.
9598
9599 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9600
9601         PR 6407
9602         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9603         calculation.
9604
9605 2008-05-28  Caleb Howe  <cshowe@google.com>
9606
9607         * reduced_debug_output.cc: New file.
9608         * reduced_debug_output.h: New file.
9609         * options.h (class General_options): Add --strip-debug-non-line.
9610         * options.cc (General_options::finalize): Add strip_debug_non_line
9611         to the strip heirarchy.
9612         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9613         fields.
9614         * layout.cc: Include "reduced_debug_output.h".
9615         (Layout::Layout): Initialize new fields.
9616         (line_only_debug_sections): New static array.
9617         (is_lines_only_debug_sections): New static inline function.
9618         (Layout::include_section): Handle --strip-debug-non-line.
9619         (Layout::make_output_section): If --strip-debug-non-line, build
9620         new output sections for .debug_abbrev and .debug_info.
9621         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9622         gold.  Warn about possible overflow.
9623         (read_signed_LEB_128): Likewise.
9624         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9625         (read_signed_LEB_128): Declare.
9626         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9627         (HFILES): Add reduced_debug_output.h.
9628         * Makefile.in: Rebuild.
9629
9630 2008-05-21  Ian Lance Taylor  <iant@google.com>
9631
9632         * mapfile.cc: New file.
9633         * mapfile.h: New file.
9634         * options.h (class General_options): Add -M/--print-map and -Map.
9635         * options.cc (General_options::finalize): Make -M equivalent to
9636         -Map -.
9637         * main.cc: Include <cstdio> and "mapfile.h".
9638         (main): Open mapfile if requested.
9639         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9640         constructor.  Change caller.
9641         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9642         (queue_middle_tasks): Likewise.
9643         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9644         declarations.
9645         * archive.cc: Include "mapfile.h".
9646         (Archive::add_symbols): Add mapfile parameter.  Change all
9647         callers.  Pass mapfile, symbol, and reason to include_member.
9648         (Archive::include_all_members): Add mapfile parameter.  Change all
9649         callers.
9650         (Archive::include_member): Add mapfile, sym, and why parameters.
9651         Change all callers.  Report inclusion to map file.
9652         * archive.h: Include "fileread.h".
9653         (class Archive): Update declarations.
9654         (Archive::file): New const method.
9655         (class Add_archive_symbols): Add mapfile_ field.  Update
9656         constructor.  Change all callers.
9657         * readsyms.h (class Read_symbols): Likewise.
9658         (class Finish_group): Likewise.
9659         (class Read_script): Likewise.
9660         * common.cc: Include "mapfile.h".
9661         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9662         all callers.
9663         (Symbol_table::do_allocate_commons): Likewise.
9664         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9665         symbol allocation to mapfile.
9666         * common.h (class Allocate_commons_task): Add mapfile_ field.
9667         Update constructor.  Change all callers.
9668         * symtab.h (class Symbol_table): Update declarations.
9669         * layout.cc: Include "mapfile.h".
9670         (Layout_task_runner::run): Print information to mapfile.
9671         (Layout::create_gold_note): Change Output_data_fixed_space to
9672         Output_data_zero_fill.
9673         (Layout::create_build_id): Likewise.
9674         (Layout::print_to_mapfile): New function.
9675         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9676         constructor.  Change caller.
9677         (class Layout): Declare print_to_mapfile.
9678         * output.cc (Output_section::Input_section::print_to_mapfile): New
9679         function.
9680         (Output_section::add_input_section): If producing a map, always
9681         add to input_sections_ list.
9682         (Output_section::do_print_to_mapfile): New function.
9683         (Output_segment::print_sections_to_mapfile): New function.
9684         (Output_segment::print_section_list_to_mapfile): New function.
9685         * output.h: Include "mapfile.h".
9686         (Output_data::print_to_mapfile): New function.
9687         (Output_data::do_print_to_mapfile): New virtual function.
9688         (Output_segment_headers::do_print_to_mapfile): New function.
9689         (Output_file_header::do_print_to_mapfile): New function.
9690         (Output_data_const::do_print_to_mapfile): New function.
9691         (class Output_data_const_buffer): Add map_name_ field.  Update
9692         constructor.  Change all callers.  Add do_print_to_mapfile
9693         function.
9694         (class Output_data_fixed_space): Likewise.
9695         (class Output_data_space): Likewise.
9696         (class Output_data_zero_fill): New class.
9697         (Output_data_strtab::do_print_to_mapfile): New function.
9698         (Output_data_reloc_base::do_print_to_mapfile): New function.
9699         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9700         (Output_data_group::do_print_to_mapfile): New function.
9701         (Output_data_got::do_print_to_mapfile): New function.
9702         (Output_data_dynamic::do_print_to_mapfile): New function.
9703         (Output_symtab_xindex::do_print_to_mapfile): New function.
9704         (class Output_section): Declare do_print_to_mapflie.  Declare
9705         print_to_mapfile in Input_section.
9706         (class Output_segment): Declare new functions.
9707         * object.h (Sized_relobj::symbol_count): New function.
9708         * script-sections.cc
9709         (Output_section_element_dot_assignment::set_section_addresses):
9710         Change Output_data_fixed_space to Output_data_zero_fill.
9711         (Output_data_expression::do_print_to_mapfile): New function.
9712         * script.cc (read_input_script): Add mapfile parameter.  Change
9713         all callers.
9714         * script.h (read_input_script): Update declaration.
9715         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9716         (Eh_frame::do_print_to_mapfile): New function.
9717         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9718         (Output_merge_string::do_print_to_mapfile): New function.
9719         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9720         function.
9721         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9722         function.
9723         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9724         function.
9725         * Makefile.am (CCFILES): Add mapfile.cc.
9726         (HFILES): Add mapfile.h.
9727         * Makefile.in: Rebuild.
9728
9729 2008-05-19  Ian Lance Taylor  <iant@google.com>
9730
9731         * options.h (class General_options): Add -z relro.
9732         * layout.cc (Layout::Layout): Initialize relro_segment_.
9733         (Layout::add_output_section_data): Return the output section.
9734         (Layout::make_output_section): Rcognize relro sections and mark
9735         them appropriately.
9736         (Layout::attach_allocated_section_to_segment): Put relro sections
9737         in a PT_GNU_RELRO segment.
9738         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9739         section as relro.
9740         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9741         PT_TLS segments.
9742         (Layout::linkonce_mapping): Map d.rel.ro.local to
9743         .data.rel.ro.local.
9744         (Layout::output_section_name): Us .data.rel.ro.local for any
9745         section which begins with that.
9746         * layout.h (class Layout): Update add_output_section_data
9747         declaration.  Add relro_segment_ field.
9748         * output.cc (Output_section::Output_section): Initialize is_relro_
9749         and is_relro_local_ fields.
9750         (Output_segment::add_output_section): Group relro sections.
9751         (Output_segment::is_first_section_relro): New function.
9752         (Output_segment::maximum_alignment): If there is a relro section,
9753         align the segment to the common page size.
9754         (Output_segment::set_section_addresses): Track whether we are
9755         looking at relro sections.  If the last section is a relro
9756         section, align to the common page size.
9757         (Output_segment::set_section_list_addresses): Add in_relro
9758         parameter.  Change all callers.  Align to the page size when
9759         moving from relro to non-relro section.
9760         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9761         segment.
9762         * output.h (class Output_section): Add is_relro_ and
9763         is_relro_local_ fields.
9764         (Output_section::is_relro): New function.
9765         (Output_section::set_is_relro): New function.
9766         (Output_section::is_relro_local): New function.
9767         (Output_section::set_is_relro_local): New function.
9768         (class Output_segment): Update declarations.
9769         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9770         * sparc.cc (Target_sparc::got_section): Likewise.
9771         * x86_64.cc (Target_x86_64::got_section): Likewise.
9772         * testsuite/relro_test_main.cc: New file.
9773         * testsuite/relro_test.cc: New file.
9774         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9775         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9776         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9777         (relro_test.so, relro_test_pic.o): New targets.
9778         * testsuite/Makefile.in: Rebuild.
9779
9780 2008-05-16  Ian Lance Taylor  <iant@google.com>
9781
9782         * output.cc (Output_segment::add_output_section): Remove front
9783         parameter.
9784         * output.h (class Output_segment): Remove
9785         add_initial_output_section and overloaded add_output_section.
9786         Update declaration of remaining add_output_section.
9787         * layout.cc (Layout::create_interp): Call add_output_section
9788         rather than add_initial_output_section.
9789         (Layout::finish_dynamic_section): Likewise.
9790
9791         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9792         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9793         know the dynamic type.
9794         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9795         field.  Initialize it in constructor.
9796         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9797         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9798         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9799         reloc.
9800
9801         * output.cc (Output_reloc::get_address): Change return type to
9802         Elf_Addr.
9803         * output.h (class Output_reloc): Update get_address declaration.
9804         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9805         for section addresses.
9806
9807 2008-05-09  Ian Lance Taylor  <iant@google.com>
9808
9809         PR 6493
9810         * gold.cc (gold_nomem): Use return value of write.
9811
9812 2008-05-08  Ian Lance Taylor  <iant@google.com>
9813
9814         * symtab.c (Symbol::init_base_output_data): Add version
9815         parameter.  Change all callers.
9816         (Symbol::init_base_output_segment): Likewise.
9817         (Symbol::init_base_constant): Likewise.
9818         (Symbol::init_base_undefined): Likewise.
9819         (Sized_symbol::init_output_data): Likewise.
9820         (Sized_symbol::init_output_segment): Likewise.
9821         (Sized_symbol::init_constant): Likewise.
9822         (Sized_symbol::init_undefined): Likewise.
9823         (Symbol_table::do_define_in_output_data): If the new symbol has a
9824         version, mark it as the default.
9825         (Symbol_table::do_define_in_output_segment): Likewise.
9826         (Symbol_table::do_define_as_constant): Likewise.
9827         * symtab.h (class Symbol): Update declarations.
9828         (class Sized_symbol): Likewise.
9829         * resolve.cc (Symbol::override_version): New function.
9830         (Symbol::override_base): Call override_version.
9831         (Symbol::override_base_with_special): Likewise.
9832         * testsuite/ver_script_8.script: New file.
9833         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9834         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9835         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9836         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9837
9838 2008-05-06  Ian Lance Taylor  <iant@google.com>
9839
9840         PR 6049
9841         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9842         functions.
9843         (class General_options): Remove existing --undefined, and add
9844         --no-undefined instead.  Add new --undefined as synonym for -u.
9845         * archive.cc (Archive::add_symbols): Check whether symbol was
9846         named with -u.
9847         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9848         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9849         all uses.  Add IS_UNDEFINED.  Update declarations to split
9850         different versions of init_base.  Declare init_base_undefined.
9851         (Symbol::is_defined): Handle IS_UNDEFINED.
9852         (Symbol::is_undefined): Likewise.
9853         (Symbol::is_weak_undefined): Call is_undefined.
9854         (Symbol::is_absolute): Handle IS_CONSTANT.
9855         (class Sized_symbol): Update declarations to split different
9856         versions of init.  Declare init_undefined.
9857         (class Symbol_table): Declare new functions.
9858         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9859         Change all callers.
9860         (Symbol::init_base_output_data): Likewise.
9861         (Symbol::init_base_output_segment): Likewise.
9862         (Symbol::init_base_constant): Likewise.
9863         (Symbol::init_base_undefined): New function.
9864         (Sized_symbol::init_object): Rename from init.  Change all
9865         callers.
9866         (Sized_symbol::init_output_data): Likewise.
9867         (Sized_symbol::init_output_segment): Likewise.
9868         (Sized_symbol::init_constant): Likewise.
9869         (Sized_symbol::init_undefined): New function.
9870         (Symbol_table::add_undefined_symbols_from_command_line): New
9871         function.
9872         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9873         function.
9874         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9875         (Symbol::output_section): Likewise.
9876         (Symbol::set_output_section): Likewise.
9877         (Symbol_table::sized_finalize_symbol): Likewise.
9878         (Symbol_table::sized_write_globals): Likewise.
9879         * resolve.cc (Symbol_table::should_override): Likewise.
9880         (Symbol::override_base_with_special): Likewise.
9881
9882         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9883         symbol, change it to have default visibility.
9884         * testsuite/protected_1.cc: New file.
9885         * testsuite/protected_2.cc: New file.
9886         * testsuite/protected_3.cc: New file.
9887         * testsuite/protected_main_1.cc: New file.
9888         * testsuite/protected_main_2.cc: New file.
9889         * testsuite/protected_main_3.cc: New file.
9890         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9891         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9892         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9893         (protected_1.so): New target.
9894         (protected_1_pic.o, protected_2_pic.o): New targets.
9895         (protected_3_pic.o): New target.
9896         (check_PROGRAMS): Add protected_2.
9897         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9898         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9899         * testsuite/Makefile.in: Rebuild.
9900
9901         * options.h (DEFINE_var): Add set_user_set_##varname__.
9902         (DEFINE_bool_alias): New macro.
9903         (class General_options): Define -Bstatic using DEFINE_bool_alias
9904         rather than DEFINE_special.  Add --undefined as an alias for -z
9905         defs.
9906         * options.cc (General_options::parse_Bstatic): Remove.
9907
9908         * options.h (class General_options): Add --fatal-warnings.
9909         * main.cc (main): Implement --fatal-warnings.
9910         * errors.h (Errors::warning_count): New function.
9911
9912         * options.h (class General_options): Add -Bsymbolic-functions.
9913         * symtab.h (Symbol::is_preemptible): Check for
9914         -Bsymbolic-functions.
9915
9916 2008-05-05  Ian Lance Taylor  <iant@google.com>
9917
9918         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9919         as noVARNAME rather than no-VARNAME.
9920         (class General_options): Add option -z combreloc.
9921         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9922         get_address.
9923         (Output_reloc::sort_before) [SHT_REL]: New function.
9924         (Output_reloc::sort_before) [SHT_RELA]: New function.
9925         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9926         Sort_relocs_comparison.
9927         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9928         parameter.  Change all callers.
9929         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9930         sort_relocs parameter.  Change all callers.
9931         * output.cc (Output_reloc::get_address): New function, broken out
9932         of write_rel.
9933         (Output_reloc::write_rel): Call it.
9934         (Output_reloc::compare): New function.
9935         (Output_data_reloc_base::do_write): Optionally sort relocs.
9936
9937         * configure.ac: If targ_extra_obj is set, link it in.
9938         * configure.tgt: Initialize all variables.
9939         (x86_64*): Set targ_extra_obj and targ_extra_size.
9940         * configure: Rebuild.
9941
9942         * object.cc (Sized_relobj::include_section_group): Adjust section
9943         indexes read from group data.  Build vector to pass to
9944         layout_group.
9945         * layout.cc (Layout::layout_group): Add flags and shndxes
9946         parameters.  Remove contents parameter.  Change caller.  Update
9947         explicit instantiations.
9948         * layout.h (class Layout): Update layout_group declaration.
9949         * output.cc (Output_data_group::Output_data_group): Add flags and
9950         input_shndxes parameters.  Remove contents parameter.  Change
9951         caller.
9952         (Output_data_group::do_write): Change input_sections_ to
9953         input_shndxes_.
9954         * output.h (class Output_data_group): Update constructor
9955         declaration.  Rename input_sections_ to input_shndxes_.
9956         * testsuite/many_sections_test.cc: Add template.
9957
9958 2008-04-30  Cary Coutant  <ccoutant@google.com>
9959
9960         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9961
9962         * layout.cc (Layout::include_section): Refactored check for debug
9963         info section.
9964         (Layout::add_comdat): Add new parameters.  Change type
9965         of signature parameter.  Add object and shndx to signatures table.
9966         (Layout::find_kept_object): New function.
9967         * layout.h: Include <cstring>.
9968         (Layout::is_debug_info_section): New function.
9969         (Layout::add_comdat): Add new parameters.
9970         (Layout::find_kept_object): New function.
9971         (Layout::Kept_section): New struct.
9972         (Layout::Signatures): Change type of map range.
9973         * object.cc (Relobj::output_section_address): New function.
9974         (Sized_relobj::include_section_group): Add new parameters.  Change
9975         calls to Layout::add_comdat.  Change to build table of kept comdat
9976         groups and table mapping discarded sections to kept sections.
9977         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9978         (Sized_relobj::do_layout): Change calls to include_section_group and
9979         include_linkonce_section.
9980         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9981         value to zero when section is discarded.
9982         (Sized_relobj::map_to_kept_section): New function.
9983         * object.h (Relobj::output_section_address): New function.
9984         (Relobj::Comdat_group): New type.
9985         (Relobj::find_comdat_group): New function.
9986         (Relobj::Comdat_group_table): New type.
9987         (Relobj::Kept_comdat_section): New type.
9988         (Relobj::Kept_comdat_section_table): New type.
9989         (Relobj::add_comdat_group): New function.
9990         (Relobj::set_kept_comdat_section): New function.
9991         (Relobj::get_kept_comdat_section): New function.
9992         (Relobj::comdat_groups_): New field.
9993         (Relobj::kept_comdat_sections_): New field.
9994         (Symbol_value::input_value): Update comment.
9995         (Sized_relobj::map_to_kept_section) New function.
9996         (Sized_relobj::include_linkonce_section): Add new parameter.
9997         * target-reloc.h (Comdat_behavior): New type.
9998         (get_comdat_behavior): New function.
9999         (relocate_section): Add code to map a discarded section to the
10000         corresponding kept section when applying a relocation.
10001
10002 2008-04-30  Craig Silverstein  <csilvers@google.com>
10003
10004         * dwarf_reader.cc (next_generation_count): New static var.
10005         (Addr2line_cache_entry): New struct.
10006         (addr2line_cache): New static var.
10007         (Dwarf_line_info::one_addr2line): Added caching.
10008         (Dwarf_line_info::clear_addr2line_cache): New function.
10009         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10010         cache-size parameter.
10011         (Dwarf_line_info::one_addr2line_cache): New function.
10012         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10013         new cache-size argument to one_addr2line(), and clear cache.
10014
10015 2008-04-28  Cary Coutant  <ccoutant@google.com>
10016
10017         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10018         R_386_PC8 relocations.
10019
10020 2008-04-23  Ian Lance Taylor  <iant@google.com>
10021
10022         * object.cc (Sized_relobj::include_section_group): Check for
10023         invalid section group.
10024
10025         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10026         header size.
10027
10028         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10029         than read for file header.
10030         * archive.cc (Archive::include_member): Likewise.
10031
10032 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10033
10034         * aclocal.m4: Regenerate.
10035         * configure: Regenerate.
10036
10037 2008-04-19  Ian Lance Taylor  <iant@google.com>
10038
10039         * version.cc (version_string): Bump to 1.6.
10040
10041         * testsuite/Makefile.am (many_sections_r_test): New target.
10042         (many_sections_r_test_SOURCES): Remove.
10043         (many_sections_r_test_DEPENDENCIES): Remove.
10044         (many_sections_r_test_LDFLAGS): Remove.
10045         (many_sections_r_test_LDADD): Remove.
10046
10047         * object.cc (Sized_relobj::do_add_symbols): Always pass
10048         local_symbol_count_ to add_from_relobj.
10049
10050         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10051         every thousand variables.
10052         * testsuite/Makefile.in: Rebuild.
10053
10054         * object.cc (Xindex::initialize_symtab_xindex): New function.
10055         (Xindex::read_symtab_xindex): New function.
10056         (Xindex::sym_xindex_to_shndx): New function.
10057         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10058         available.
10059         (Sized_relobj::do_initialize_xindex): New function.
10060         (Sized_relobj::do_read_symbols): Adjust section links.
10061         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10062         parameter.  Change all callers.
10063         (Sized_relobj::include_section_group): Adjust section links and
10064         symbol section indexes.
10065         (Sized_relobj::do_layout): Adjust section links.
10066         (Sized_relobj::do_count_local_symbols): Adjust section links and
10067         symbol section indexes.
10068         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10069         ordinary and special symbols.
10070         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10071         dynsym_xindex parameters.  Change all callers.  Adjust section
10072         links.  Use SHN_XINDEX when needed.
10073         (Sized_relobj::get_symbol_location_info): Adjust section links.
10074         Don't get fooled by special symbols.
10075         * object.h (class Xindex): Define.
10076         (class Object): Add xindex_ parameter.  Declare virtual functoin
10077         do_initialize_xindex.
10078         (Object::adjust_sym_shndx): New function.
10079         (Object::set_xindex): New protected function.
10080         (class Symbol_value): Add is_ordinary_shndx_ field.
10081         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10082         (Symbol_value::value): Assert ordinary section.
10083         (Symbol_value::initialize_input_to_output_map): Likewise.
10084         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10085         Change all callers.
10086         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10087         all callers.
10088         (class Sized_relobj): Update declarations.
10089         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10090         parameter.  Change all callers.
10091         (Sized_relobj::adjust_shndx): New function.
10092         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10093         field.
10094         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10095         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10096         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10097         (Sized_dynobj::read_dynsym_section): Adjust section links.
10098         (Sized_dynobj::read_dynamic): Likewise.
10099         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10100         section links.
10101         (Sized_dynobj::do_initialize_xindex): New function.
10102         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10103         do_initialize_xindex.
10104         (Sized_dynobj::adjust_shndx): New function.
10105         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10106         dynsym_xindex_ fields.
10107         (Layout::finalize): Add a call to set_section_indexes before
10108         creating the symtab sections.
10109         (Layout::set_section_indexes): Don't do anything if the section
10110         already has a section index.
10111         (Layout::create_symtab_sections): Add shnum parameter.  Change
10112         caller.  Create .symtab_shndx section if needed.
10113         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10114         caller.
10115         (Layout::allocated_output_section_count): New function.
10116         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10117         needed.
10118         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10119         fields.  Update declarations.
10120         (Layout::symtab_xindex): New function.
10121         (Layout::dynsym_xindex): New function.
10122         (class Write_symbols_task): Add layout_ field.
10123         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10124         Change caller.
10125         * output.cc (Output_section_headers::Output_section_headers): Add
10126         shstrtab_section parameter.  Change all callers.
10127         (Output_section_headers::do_sized_write): Store overflow values
10128         for section count and section string table section index in
10129         section header zero.
10130         (Output_file_header::do_sized_write): Check for overflow of
10131         section count and section string table section index.
10132         (Output_symtab_xindex::do_write): New function.
10133         (Output_symtab_xindex::endian_do_write): New function.
10134         * output.h (class Output_section_headers): Add shstrtab_section_.
10135         Update declarations.
10136         (class Output_symtab_xindex): Define.
10137         (Output_section::has_out_shndx): New function.
10138         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10139         field.
10140         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10141         Change all callers.
10142         (Sized_symbol::init): Likewise.
10143         (Symbol::output_section): Check for ordinary symbol.
10144         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10145         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10146         callers.
10147         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10148         Change all callers.  Simplify handling of symbols from sections
10149         not included in the link.
10150         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10151         distinction.
10152         (Weak_alias_sorter::operator()): Assert that symbols are
10153         ordinary.
10154         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10155         distinction.
10156         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10157         parameters.  Change all callers.
10158         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10159         symbol distinction.  Use SHN_XINDEX when needed.
10160         (Symbol_table::write_section_symbol): Add symtab_xindex
10161         parameter.  Change all callers.
10162         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10163         SHN_XINDEX when needed.
10164         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10165         declarations.
10166         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10167         (Symbol::is_defined): Check is_ordinary.
10168         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10169         (Symbol::is_absolute, Symbol::is_common): Likewise.
10170         (class Sized_symbol): Update declarations.
10171         (class Symbol_table): Update declarations.
10172         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10173         parameters.  Change all callers.
10174         (Sized_symbol::override): Likewise.
10175         (Symbol_table::override): Likewise.
10176         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10177         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10178         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10179         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10180         to be in an ordinary section.
10181         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10182         object and is_ordinary parameters.  Change all callers.
10183         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10184         Change all callers.  Don't add undefined or non-ordinary symbols
10185         to reloc_map_.
10186         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10187         Change all callers.
10188         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10189         declarations.
10190         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10191         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10192         (Sized_relobj::relocate_sections): Likewise.
10193         * target-reloc.h (scan_relocs): Adjust section symbol index.
10194         (scan_relocatable_relocs): Likewise.
10195         * i386.cc (Scan::local): Check for ordinary symbols.
10196         * sparc.cc (Scan::local): Likewise.
10197         * x86_64.cc (Scan::local): Likewise.
10198         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10199         to symbol_section_and_value.
10200         * testsuite/many_sections_test.cc: New file.
10201         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10202         (check_PROGRAMS): Add many_sections_test.
10203         (many_sections_test_SOURCES): Define.
10204         (many_sections_test_DEPENDENCIES): Define.
10205         (many_sections_test_LDFLAGS): Define.
10206         (BUILT_SOURCES): Add many_sections_define.h.
10207         (many_sections_define.h): New target.
10208         (BUILT_SOURCES): Add many_sections_check.h.
10209         (many_sections_check.h): New target.
10210         (check_PROGRAMS): Add many_sections_r_test.
10211         (many_sections_r_test_SOURCES): Define.
10212         (many_sections_r_test_DEPENDENCIES): Define.
10213         (many_sections_r_test_LDFLAGS): Define.
10214         (many_sections_r_test_LDADD): Define.
10215         (many_sections_r_test.o): New target.
10216         * testsuite/Makefile.in: Rebuild.
10217
10218 2008-04-17  Cary Coutant  <ccoutant@google.com>
10219
10220         * errors.cc (Errors::info): New function.
10221         (gold_info): New function.
10222         * errors.h (Errors::info): New function.
10223         * gold.h (gold_info): New function.
10224         * object.cc (Input_objects::add_object): Print trace output.
10225         * options.cc (options::parse_set): New function.
10226         (General_options::parse_wrap): Deleted.
10227         (General_options::General_options): Deleted initializer.
10228         * options.h (options::String_set): New typedef.
10229         (options::parse_set): New function.
10230         (DEFINE_set): New macro.
10231         (General_options::wrap): Changed to use DEFINE_set. Changed
10232         callers of any_wrap_symbols and is_wrap_symbol.
10233         (General_options::trace, General_options::trace_symbol):
10234         New options.
10235         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10236         (General_options::wrap_symbols_): Deleted.
10237         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10238
10239 2008-04-17  David S. Miller  <davem@davemloft.net>
10240
10241         * options.cc (General_options::parse_V): New function.
10242         * options.h: Add entries for -V and -Qy.
10243
10244 2008-04-17  Ian Lance Taylor  <iant@google.com>
10245
10246         * common.cc (Symbol_table::allocate_commons): Remove options
10247         parameter.  Change caller.
10248         (Symbol_table::do_allocate_commons): Remove options parameter.
10249         Change caller.  Just call do_allocate_commons_list twice.
10250         (Symbol_table::do_allocate_commons_list): New function, broken out
10251         of do_allocate_commons.
10252         * common.h (class Allocate_commons_task): Remove options_ field.
10253         Update constructor.
10254         * symtab.cc (Symbol_table::Symbol_table): Initialize
10255         tls_commons_.
10256         (Symbol_table::add_from_object): Put TLS common symbols on
10257         tls_commons_ list.
10258         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10259         which are IN_OUTPUT_DATA.
10260         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10261         allocate_commons and do_allocate_commons declarations.  Declare
10262         do_allocate_commons_list.
10263         * gold.cc (queue_middle_tasks): Update creation of
10264         Allocate_commons_task to not pass options.
10265         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10266         (TLS_TEST_C_FLAGS): New variable.
10267         (tls_test_c_pic.o): New target.
10268         (tls_test_shared.so): Link in tls_test_c_pic.o.
10269         (tls_test_c_pic_ie.o): New target.
10270         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10271         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10272         (tls_test_c.o): New target.
10273         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10274         (tls_pic_test_LDADD): Likewise.
10275         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10276         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10277         (tls_test_c_gnu2.o): New target.
10278         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10279         tls_test_c_gnu2.o.
10280         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10281         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10282         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10283         * testsuite/tls_test.cc: Include "config.h".
10284         (t_last): Call t11_last.
10285         * testsuite/tls_test.h (t11, t11_last): Declare.
10286         * testsuite/tls_test_c.c: New file.
10287         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10288         * configure.ac: Check for OpenMP support.
10289         * configure, config.in, Makefile.in: Rebuild.
10290         * testsuite/Makefile.in: Rebuild.
10291
10292 2008-04-16  Cary Coutant  <ccoutant@google.com>
10293
10294         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10295         (Target_i386::tls_base_symbol_defined_): New field.
10296         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10297         (Target_i386::Scan::global): Likewise.
10298         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10299         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10300         (Target_x86_64::tls_base_symbol_defined_): New field.
10301         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10302         (Target_x86_64::Scan::global): Likewise.
10303
10304 2008-04-16  Cary Coutant  <ccoutant@google.com>
10305
10306         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10307         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10308         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10309         building shared libraries.
10310         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10311         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10312         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10313         * testsuite/Makefile.in: Rebuild.
10314         * testsuite/weak_undef.h: New file.
10315         * testsuite/weak_undef_file1.cc: Add extra test cases.
10316         * testsuite/weak_undef_file2.cc: Likewise.
10317         * testsuite/weak_undef_test.cc: Likewise.
10318
10319 2008-04-16  David S. Miller  <davem@davemloft.net>
10320
10321         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10322         Add issued_non_pic_error_ field.  Declare check_non_pic.
10323         (Target_sparc::Scan::check_non_pic): New function.
10324         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10325         (Target_sparc::Scan::global): Likewise.
10326
10327         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10328         * configure: Rebuild.
10329
10330         * options.h (DEFINE_enable): New macro.
10331         (new_dtags): New enable option.
10332         (initfirst, interpose, loadfltr, nodefaultlib,
10333         nodelete, nodlopen, nodump): New -z options.
10334         * layout.cc (Layout:finish_dynamic_section): If new
10335         dtags enabled, emit DT_RUNPATH.  Also, emit a
10336         DT_FLAGS_1 containing any specified -z flags.
10337
10338 2008-04-16  Ian Lance Taylor  <iant@google.com>
10339
10340         * copy-relocs.cc: New file.
10341         * copy-relocs.h: New file.
10342         * reloc.cc: Remove Copy_relocs code.
10343         * reloc.h: Likewise.
10344         * reloc-types.h (struct Reloc_types) [both versions]: Add
10345         get_reloc_addend_noerror.
10346         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10347         variants of add_global which take an addend which must be zero.
10348         * i386.cc: Include "copy-relocs.h".
10349         (class Target_i386): Change type of copy_relocs_ to variable,
10350         update initializer.
10351         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10352         Change all callers.
10353         (Target_i386::do_finalize_sections): Change handling of
10354         copy_relocs_.
10355         * sparc.cc: Include "copy-relocs.h".
10356         (class Target_sparc): Change type of copy_relocs_ to variable,
10357         update initializer.
10358         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10359         Change all callers.
10360         (Target_sparc::do_finalize_sections): Change handling of
10361         copy_relocs_.
10362         * x86_64.cc: Include "copy-relocs.h".
10363         (class Target_x86_64): Change type of copy_relocs_ to variable,
10364         update initializer.
10365         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10366         class.  Change all callers.
10367         (Target_x86_64::do_finalize_sections): Change handling of
10368         copy_relocs_.
10369         * Makefile.am (CCFILES): Add copy-relocs.cc.
10370         (HFILES): Add copy-relocs.h.
10371
10372         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10373
10374         * testsuite/script_test_4.sh: Permit leading zeroes.
10375
10376 2008-04-15  Ian Lance Taylor  <iant@google.com>
10377
10378         * script-sections.cc (Script_sections::create_segments): Use
10379         header_size_adjustment even when there is enough room for the
10380         headers.
10381         * testsuite/script_test_4.sh: New file.
10382         * testsuite/script_test_4.t: New file.
10383         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10384         (check_DATA): Add script_test_4.stdout.
10385         (MOSTLYCLEANFILES): Likewise.
10386         (script_test_4): New target.
10387         (script_test_4.stdout): New target.
10388         * testsuite/Makefile.in: Rebuild.
10389
10390         * sparc.cc: Add definitions for Output_data_plt_sparc class
10391         constants.
10392
10393 2008-04-14  David S. Miller  <davem@davemloft.net>
10394
10395         * sparc.cc: New file.
10396         * Makefile.am (TARGETSOURCES): Add sparc.cc
10397         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10398         * configure.tgt: Document targ_extra_size and
10399         targ_extra_big_endian.  Add entries for sparc-* and
10400         sparc64-*.
10401         * configure.ac: Handle targ_extra_size and
10402         targ_extra_big_endian.
10403         * Makefile.in: Rebuild.
10404         * configure: Likewise.
10405         * po/POTFILES.in: Likewise.
10406         * po/gold.pot: Likewise.
10407
10408 2008-04-14  Ian Lance Taylor  <iant@google.com>
10409
10410         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10411         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10412         in the name/type/flags to section mapping.  Don't call
10413         allocate_output_section.
10414         (Layout::choose_output_section): Change parameter from adjust_name
10415         to is_input_section.  Don't permit input sections after sections
10416         are attached to segments.  Don't call allocate_output_section.
10417         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10418         not write_enable_output_section.
10419         (Layout::make_output_section): Don't push to
10420         unattached_section_list_ nor call attach_to_segment.  Call
10421         attach_section_to_segment if sections are attached.
10422         (Layout::attach_sections_to_segments): New function.
10423         (Layout::attach_section_to_segment): New function.
10424         (Layout::attach_allocated_section_to_segment): Rename from
10425         attach_to_segment.  Remove flags parameter.
10426         (Layout::allocate_output_section): Remove function.
10427         (Layout::write_enable_output_section): Remove function.
10428         * layout.h (class Layout): Update for above changes.  Add new
10429         field sections_are_attached_.
10430         * output.h (Output_section::update_flags_for_input_section): New
10431         function.
10432         * output.cc (Output_section::add_input_section): Call
10433         update_flags_for_input_section.
10434         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10435
10436 2008-04-11  Cary Coutant  <ccoutant@google.com>
10437
10438         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10439         thought unnecessary.
10440         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10441
10442 2008-04-11  Ian Lance Taylor  <iant@google.com>
10443
10444         * output.h (class Output_section_data): Remove inline definition
10445         of set_addralign.
10446         * output.cc (Output_section_data::set_addralign): New function.
10447
10448 2008-04-11  Cary Coutant  <ccoutant@google.com>
10449
10450         Add support for TLS descriptors for i386 and x86_64.
10451         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10452         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10453         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10454         GOT_TYPE_TLS_DESC.
10455         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10456         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10457         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10458         relocations.
10459         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10460         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10461         Fix problem with initial-exec relocations.
10462         (Target_i386::Relocate::relocate_tls): Likewise.
10463         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10464         relaxation.
10465         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10466         support for section-plus-offset dynamic table entries.
10467         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10468         (Output_data_dynamic::Dynamic_entry): Add support for
10469         section-plus-offset dynamic table entries.
10470         (Output_data_dynamic::Classification): Likewise.
10471         (Output_data_dynamic::classification_): Renamed offset_.
10472         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10473         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10474         (Target_x86_64::make_plt_section): New function.
10475         (Target_x86_64::reserve_tlsdesc_entries): New function.
10476         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10477         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10478         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10479         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10480         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10481         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10482         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10483         add extra PLT entry for TLS descriptors.
10484         (Output_data_plt_x86_64::got_): New field.
10485         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10486         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10487         fields.
10488         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10489         descriptors.
10490         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10491         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10492         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10493         R_386_TLS_DESC_CALL relocations.
10494         (Target_x86_64::Scan::global): Likewise.
10495         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10496         for TLS descriptors.
10497         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10498         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10499         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10500         GD-to-IE relaxation.
10501         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10502         and TLS_DESCRIPTORS.
10503         * Makefile.in: Rebuild.
10504         * configure: Rebuild.
10505         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10506         (tls_test_shared2.so): New target.
10507         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10508         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10509         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10510         (tls_shared_gd_to_ie_test_LDADD): New variable.
10511         (tls_shared_gnu2_gd_to_ie_test): New target.
10512         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10513         New targets.
10514         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10515         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10516         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10517         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10518         (tls_shared_gnu2_test): New target.
10519         (tls_test_gnu2_shared.so): New target.
10520         (tls_shared_gnu2_test_SOURCES): New variable.
10521         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10522         (tls_shared_gnu2_test_LDFLAGS): New variable.
10523         (tls_shared_gnu2_test_LDADD): New variable.
10524         * testsuite/Makefile.in: Rebuild.
10525         * testsuite/Makefile.
10526
10527 2008-04-11  Ian Lance Taylor  <iant@google.com>
10528
10529         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10530         justsyms.t.
10531         * testsuite/Makefile.in: Rebuild.
10532
10533         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10534         long.
10535         * testsuite/script_test_2.cc (main): Adjust test.
10536
10537 2008-04-11  David S. Miller  <davem@davemloft.net>
10538             Ian Lance Taylor  <iant@google.com>
10539
10540         * options.h (General_options): Add entries for '-Y' and
10541         '-relax'.
10542         * options.cc (General_options:finalize): If -Y was used, add those
10543         entries to the library path instead of the default "/lib" and
10544         "/usr/lib".
10545
10546 2008-04-11  David S. Miller  <davem@davemloft.net>
10547
10548         * testsuite/justsyms.t: Start at 0x100.
10549         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10550         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10551         long.
10552         * testsuite/script_test_2.cc: Adjust string and section length
10553         checks.
10554
10555 2008-04-09  Ian Lance Taylor  <iant@google.com>
10556
10557         PR gold/5996
10558         * script-sections.cc (Sections_element::allocate_to_segment): Add
10559         orphan parameter.
10560         (Output_section_definition::allocate_to_segment): Likewise.
10561         (Orphan_output_section::allocate_to_segment): Likewise.
10562         (Script_sections::attach_sections_using_phdrs_clause): Don't
10563         propagate non-PT_LOAD segments to orphan sections.
10564         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10565         readelf rather than objdump.
10566         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10567         .interp section and PT_INTERP segment are the same size.
10568         * testsuite/Makefile.in: Rebuild.
10569
10570         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10571         aliases for symbols defined in the same object.
10572         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10573         (weak_alias_test_SOURCES): New variable.
10574         (weak_alias_test_DEPENDENCIES): New variable.
10575         (weak_alias_test_LDFLAGS): New variable.
10576         (weak_alias_test_LDADD): New variable.
10577         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10578         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10579         (weak_alias_test_3.o): New target.
10580         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10581         * testsuite/weak_alias_test_main.cc: New file.
10582         * testsuite/weak_alias_test_1.cc: New file.
10583         * testsuite/weak_alias_test_2.cc: New file.
10584         * testsuite/weak_alias_test_3.cc: New file.
10585
10586 2008-04-08  Ian Lance Taylor  <iant@google.com>
10587
10588         * options.h (class General_options): Add --noinhibit-exec option.
10589         * main.cc (main): Check --noinhibit-exec.
10590
10591         * options.h (class General_options): Define --wrap as a special
10592         option.  Add wrap_symbols_ field.
10593         (General_options::any_wrap_symbols): New function.
10594         (General_options::is_wrap_symbol): New function.
10595         * options.cc (General_options::parse_wrap): New function.
10596         (General_options::General_options): Initialize wrap_symbols_.
10597         * symtab.cc (Symbol_table::wrap_symbol): New function.
10598         (Symbol_table::add_from_object): Handle --wrap.
10599         * symtab.h (class Symbol_table): Declare wrap_symbol.
10600         * target.h (Target::wrap_char): New function.
10601         (Target::Target_info): Add wrap_char field.
10602         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10603         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10604         * testsuite/testfile.cc (Target_test::test_target_info):
10605         Likewise.
10606
10607         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10608         there is one.
10609
10610         * layout.h (class Layout): Add added_eh_frame_data_ field.
10611         * layout.cc (Layout::Layout): Initialize new field.
10612         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10613         output section until we find a section we merged successfully.
10614         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10615         that the size be non-zero.
10616
10617         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10618         qualifier.
10619
10620 2008-04-08  Craig Silverstein  <csilvers@google.com>
10621
10622         * configure.ac: Export new conditional variable HAVE_ZLIB.
10623         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10624         on HAVE_ZLIB.
10625         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10626         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10627
10628 2008-04-07  Ian Lance Taylor  <iant@google.com>
10629
10630         * version.cc (version_string): Set to "1.5".
10631
10632         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10633         Add issued_non_pic_error_ field.  Declare check_non_pic.
10634         (Target_x86_64::Scan::check_non_pic): New function.
10635         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10636         (Target_x86_64::Scan::global): Likewise.
10637
10638         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10639         addend parameter.  Change caller.  Handle merge sections.
10640         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10641         Address to Addend.  Don't add in the result of
10642         local_section_offset, pass down the addend and use the returned
10643         value.
10644         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10645         Update declarations of local_section_offset and symbol_value.
10646         * testsuite/two_file_test_1.cc (t18): New function.
10647         * testsuite/two_file_test_2.cc (f18): New function.
10648         * testsuite/two_file_test_main.cc (main): Call t18.
10649         * testsuite/two_file_test.h (t18, f18): Declare.
10650
10651         * configure.ac: Don't test for objdump, c++filt, or readelf.
10652         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10653         conditionals.
10654         (TEST_READELF): New variable.
10655         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10656         (check_PROGRAMS): Add two_file_strip_test.
10657         (two_file_strip_test): New target.
10658         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10659         (two_file_same_shared_strip_test_SOURCES): New variable.
10660         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10661         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10662         (two_file_same_shared_strip_test_LDADD): New variable.
10663         (two_file_shared_strip.so): New target.
10664         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10665         (ver_test_5.syms, ver_test_7.syms): Likewise.
10666         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10667         (strip_test_3.stdout): Use TEST_OBJDUMP.
10668         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10669
10670 2008-04-04  Cary Coutant  <ccoutant@google.com>
10671
10672         * symtab.h (Symbol::is_weak_undefined): New function.
10673         (Symbol::is_strong_undefined): New function.
10674         (Symbol::is_absolute): New function.
10675         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10676         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10677         absolute symbols.
10678         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10679         (weak_undef_test): New target.
10680         * testsuite/Makefile.in: Rebuild.
10681         * testsuite/weak_undef_file1.cc: New file.
10682         * testsuite/weak_undef_file2.cc: New file.
10683         * testsuite/weak_undef_test.cc: New file.
10684
10685 2008-04-03  Craig Silverstein  <csilvers@google.com>
10686
10687         * compressed_output.h (class Output_compressed_section): Use
10688         unsigned buffer.
10689         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10690         add zlib header.
10691         (zlib_compressed_suffix): Removed.
10692         (Output_compressed_section::set_final_data_size): Use unsigned
10693         buffers.
10694         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10695         Fix linker invocation.
10696         (flagstest_o_specialfile_and_compress_debug_sections):
10697         Likewise.
10698         * testsuite/Makefile.in: Regenerated.
10699
10700 2008-04-02  David S. Miller  <davem@davemloft.net>
10701
10702         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10703         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10704
10705 2008-04-02  Craig Silverstein  <csilvers@google.com>
10706
10707         * TODO: New file.
10708
10709 2008-04-02  Ian Lance Taylor  <iant@google.com>
10710
10711         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10712         parameters.  Update for new key type to views_.  Change all
10713         callers.
10714         (File_read::read): Adjust for byteshift in returned view.
10715         (File_read::add_view): New function, broken out of
10716         find_and_make_view.
10717         (File_read::make_view): New function, broken out of
10718         find_and_make_view.
10719         (File_read::find_or_make_view): Add offset and aligned
10720         parameters.  Rewrite accordingly.  Change all callers.
10721         (File_read::get_view): Add offset and aligned parameters.  Adjust
10722         for byteshift in return value.
10723         (File_read::get_lasting_view): Likewise.
10724         * fileread.h (class File_read): Update declarations.
10725         (class File_read::View): Add byteshift_ field.  Add byteshift to
10726         constructor.  Add byteshift method.
10727         * archive.h (Archive::clear_uncached_views): New function.
10728         (Archive::get_view): Add aligned parameter.  Change all callers.
10729         * object.h (Object::get_view): Add aligned parameter.  Change all
10730         callers.
10731         (Object::get_lasting_view): Likewise.
10732
10733         * fileread.cc (File_read::release): Don't call clear_views if
10734         there are multiple objects.
10735         * fileread.h (File_read::clear_uncached_views): New function.
10736         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10737         on the archive.
10738
10739 2008-03-31  Cary Coutant  <ccoutant@google.com>
10740
10741         Add thin archive support.
10742         * archive.cc (Archive::armagt): New const.
10743         (Archive::setup): Remove task parameter and calls to unlock.
10744         (Archive::unlock_nested_archives): New function.
10745         (Archive::read_header): Add nested_off parameter. Change
10746         all callers.
10747         (Archive::interpret_header): Likewise.
10748         (Archive::include_all_members): Change to handle thin
10749         archives.
10750         (Archive::include_member): Likewise.
10751         * archive.h (Archive::Archive): Add new parameters and
10752         initializers.
10753         (Archive::armagt): New const.
10754         (Archive::setup): Remove task parameter.
10755         (Archive::unlock_nested_archives): New function.
10756         (Archive::read_header): Add nested_off parameter.
10757         (Archive::interpret_header): Likewise.
10758         (Archive::Nested_archive_table): New typedef.
10759         (Archive::is_thin_archive_): New field.
10760         (Archive::nested_archives_): New field.
10761         (Archive::options_): New field.
10762         (Archive::dirpath_): New field.
10763         (Archive::task_): New field.
10764         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10765         for thin archives.  Pass additional parameters to
10766         Archive::Archive.  Unlock the archive file after calling
10767         Archive::setup.
10768
10769 2008-03-29  Ian Lance Taylor  <iant@google.com>
10770
10771         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10772         version symbol to be local.
10773         * testsuite/ver_test_4.sh: New file.
10774         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10775         (check_DATA): Add ver_test_4.syms.
10776         (ver_test_4.syms): New target.
10777         * testsuite/Makefile.in: Rebuild.
10778
10779         * output.cc
10780         (Output_section::Input_section_sort_entry::has_priority): New
10781         function.
10782         (Output_section::Input_section_sort_entry::match_file_name): New
10783         function.
10784         (Output_section::Input_section_sort_entry::match_section_name):
10785         Remove.
10786         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10787         Remove.
10788         (Output_section::Input_section_sort_entry::match_section_file):
10789         Remove.
10790         (Output_section::Input_section_sort_compare::operator()): Rewrite
10791         using new Input_section_sort_entry functions.  Sort crtbegin and
10792         crtend first.  Sort sections with no priority before sections with
10793         a priority.
10794         * testsuite/initpri1.c (d3): Check j != 4.
10795         (cd5): New constructor/destructor function.
10796         (main): Check j != 2.
10797
10798         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10799         new symbol when resolving, don't call set_is_default.
10800         * testsuite/ver_test_7.cc: New file.
10801         * testsuite/ver_test_7.sh: New file.
10802         * testsuite/Makefile.am (ver_test_7.so): New target.
10803         (ver_test_7.o): New target.
10804         (check_SCRIPTS): Add ver_test_7.sh.
10805         (check_DATA): Add ver_test_7.syms.
10806         (ver_test_7.syms): New target.
10807
10808 2008-03-28  Ian Lance Taylor  <iant@google.com>
10809
10810         * layout.cc (Layout::layout): If we see an input section with a
10811         name that needs sorting, set the must_sort flag for the output
10812         section.
10813         (Layout::make_output_section): If the name of the output section
10814         indicates that it might require sorting, set the may_sort flag.
10815         * output.h (Output_section::may_sort_attached_input_sections): New
10816         function.
10817         (Output_section::set_may_sort_attached_input_sections): New
10818         function.
10819         (Output_section::must_sort_attached_input_sections): New
10820         function.
10821         (Output_section::set_must_sort_attached_input_sections): New
10822         function.
10823         (class Output_section): Declare Input_section_sort_entry.  Define
10824         Input_section_sort_compare.  Declare
10825         sort_attached_input_sections.  Add new fields:
10826         may_sort_attached_input_sections_,
10827         must_sort_attached_input_sections_,
10828         attached_input_sections_are_sorted_.
10829         * output.cc (Output_section::Output_section): Initialize new
10830         fields.
10831         (Output_section::add_input_section): Add an entry to
10832         input_sections_ if may_sort or must_sort are true.
10833         (Output_section::set_final_data_size): Call
10834         sort_attached_input_sections if necessary.
10835         (Output_section::Input_section_sort_entry): Define new class.
10836         (Output_section::Input_section_sort_compare::operator()): New
10837         function.
10838         (Output_section::sort_attached_input_sections): New function.
10839         * configure.ac: Check whether the compiler supports constructor
10840         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10841         * testsuite/initpri1.c: New file.
10842         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10843         CONSTRUCTOR_PRIORITY.
10844         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10845         (initpri1_LDFLAGS): New variable.
10846         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10847
10848 2008-03-27  Ian Lance Taylor  <iant@google.com>
10849
10850         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10851         * testsuite/common_test_1.c: New file.
10852         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10853         (common_test_1_SOURCES): New variable.
10854         (common_test_1_DEPENDENCIES): New variable.
10855         (common_test_1_LDFLAGS): New variable.
10856
10857         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10858         and commons_ correctly when NAME/VERSION does not override
10859         NAME/NULL.
10860         * testsuite/ver_test_6.c: New file.
10861         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10862         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10863         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10864
10865 2008-03-26  Ian Lance Taylor  <iant@google.com>
10866
10867         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10868         of an undefined symbol from a version script.
10869         * testsuite/Makefile.am (ver_test_5.so): New target.
10870         (ver_test_5.o): New target.
10871         (check_SCRIPTS): Add ver_test_5.sh.
10872         (check_DATA): Add ver_test_5.syms.
10873         (ver_test_5.syms): New target.
10874         * testsuite/ver_test_5.cc: New file.
10875         * testsuite/ver_test_5.script: New file.
10876         * testsuite/ver_test_5.sh: New file.
10877         * Makefile.in, testsuite/Makefile.in: Rebuild.
10878
10879         PR gold/5986
10880         Fix problems building gold with gcc 4.3.0.
10881         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10882         (gold_error_at_location, gold_warning_at_location): Use it.
10883         * configure.ac: Check whether we can compile and use a template
10884         function with a printf attribute.
10885         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10886         when jumping over bytes.
10887         * object.cc: Instantiate Object::read_section_data.
10888         * debug.h: Include <cstring>
10889         * dwarf_reader.cc: Include <algorithm>
10890         * main.cc: Include <cstring>.
10891         * options.cc: Include <cstring>.
10892         * output.cc: Include <cstring>.
10893         * script.cc: Include <cstring>.
10894         * script.h: Include <string>.
10895         * symtab.cc: Include <cstring> and <algorithm>.
10896         * target-select.cc: Include <cstring>.
10897         * version.cc: Include <string>.
10898         * testsuite/testmain.cc: Include <cstdlib>.
10899         * configure, config.in: Rebuild.
10900
10901 2008-03-25  Ian Lance Taylor  <iant@google.com>
10902
10903         * options.cc: Include "../bfd/bfdver.h".
10904         (options::help): Print bug reporting address.
10905
10906         * version.cc (print_version): Adjust output for current value of
10907         BFD_VERSION_STRING.
10908
10909         * NEWS: New file.
10910
10911         * options.cc (options::help): Print list of supported targets.
10912         * target-select.h: Include <vector>.
10913         (class Target_selector): Make machine_, size_, and is_big_endian_
10914         fields const.  Add bfd_name_ and instantiated_target_ fields.
10915         (Target_selector::Target_selector): Add bfd_name parameter.
10916         (Target_selector::recognize): Make non-virtual, call
10917         do_recognize.
10918         (Target_selector::recognize_by_name): Make non-virtual, call
10919         do_recognize_by_name.
10920         (Target_selector::supported_names): New function.
10921         (Target_selector::bfd_name): New function.
10922         (Target_selector::do_instantiate_target): New pure virtual
10923         function.
10924         (Target_selector::do_recognize): New virtual function.
10925         (Target_selector::do_recognize_by_name): New virtual function.
10926         (Target_selector::instantiate_target): New private function.
10927         (supported_target_names): Declare.
10928         * target-select.cc (Target_selector::Target_selector): Update for
10929         new parameter and fields.
10930         (select_target_by_name): Check that the name matches before
10931         calling recognize_by_name.
10932         (supported_target_names): New function.
10933         * i386.cc (class Target_selector_i386): Update Target_selector
10934         constructor call.  Remove recognize and recognize_by_name.  Add
10935         do_instantiate_target.
10936         * x86_64.cc (class Target_selector_x86_64): Likewise.
10937         * testsuite/testfile.cc (class Target_selector_test): Update for
10938         changes to Target_selector.
10939
10940         * README: Rewrite, with some notes on unsupported features.
10941
10942 2008-03-24  Cary Coutant  <ccoutant@google.com>
10943
10944         * i386.cc (Target_i386::Got_type): New enum declaration.
10945         (Target_i386::Scan::local): Updated callers of Output_data_got
10946         member functions.
10947         (Target_i386::Scan::global): Likewise.
10948         (Target_i386::Relocate::relocate): Likewise.
10949         (Target_i386::Relocate::relocate_tls): Likewise.
10950         * object.h (Got_offset_list): New class.
10951         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10952         (Sized_relobj::local_got_offset): Likewise.
10953         (Sized_relobj::set_local_got_offset): Likewise.
10954         (Sized_relobj::local_has_tls_got_offset): Removed.
10955         (Sized_relobj::local_tls_got_offset): Removed.
10956         (Sized_relobj::set_local_tls_got_offset): Removed.
10957         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10958         * output.cc (Output_data_got::add_global): Added got_type parameter.
10959         (Output_data_got::add_global_with_rel): Likewise.
10960         (Output_data_got::add_global_with_rela): Likewise.
10961         (Output_data_got::add_global_pair_with_rel): New function.
10962         (Output_data_got::add_global_pair_with_rela): New function.
10963         (Output_data_got::add_local): Added got_type parameter.
10964         (Output_data_got::add_local_with_rel): Likewise.
10965         (Output_data_got::add_local_with_rela): Likewise.
10966         (Output_data_got::add_local_pair_with_rel): New function.
10967         (Output_data_got::add_local_pair_with_rela): New function.
10968         (Output_data_got::add_global_tls): Removed.
10969         (Output_data_got::add_global_tls_with_rel): Removed.
10970         (Output_data_got::add_global_tls_with_rela): Removed.
10971         (Output_data_got::add_local_tls): Removed.
10972         (Output_data_got::add_local_tls_with_rel): Removed.
10973         (Output_data_got::add_local_tls_with_rela): Removed.
10974         * output.h (Output_data_got::add_global): Added got_type parameter.
10975         (Output_data_got::add_global_with_rel): Likewise.
10976         (Output_data_got::add_global_with_rela): Likewise.
10977         (Output_data_got::add_global_pair_with_rel): New function.
10978         (Output_data_got::add_global_pair_with_rela): New function.
10979         (Output_data_got::add_local): Added got_type parameter.
10980         (Output_data_got::add_local_with_rel): Likewise.
10981         (Output_data_got::add_local_with_rela): Likewise.
10982         (Output_data_got::add_local_pair_with_rel): New function.
10983         (Output_data_got::add_local_pair_with_rela): New function.
10984         (Output_data_got::add_global_tls): Removed.
10985         (Output_data_got::add_global_tls_with_rel): Removed.
10986         (Output_data_got::add_global_tls_with_rela): Removed.
10987         (Output_data_got::add_local_tls): Removed.
10988         (Output_data_got::add_local_tls_with_rel): Removed.
10989         (Output_data_got::add_local_tls_with_rela): Removed.
10990         * resolve.cc (Symbol::override_base_with_special): Removed
10991         reference to has_got_offset_ field.
10992         * symtab.cc (Symbol::init_fields): Replaced initialization
10993         of got_offset_ with got_offsets_.  Removed initialization
10994         of has_got_offset_
10995         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10996         (Symbol::got_offset): Likewise.
10997         (Symbol::set_got_offset): Likewise.
10998         (Symbol::has_tls_got_offset): Removed.
10999         (Symbol::tls_got_offset): Removed.
11000         (Symbol::set_tls_got_offset): Removed.
11001         (Symbol::got_offset_): Removed.
11002         (Symbol::tls_mod_got_offset_): Removed.
11003         (Symbol::tls_pair_got_offset_): Removed.
11004         (Symbol::got_offsets_): New field.
11005         (Symbol::has_got_offset): Removed.
11006         (Symbol::has_tls_mod_got_offset): Removed.
11007         (Symbol::has_tls_pair_got_offset): Removed.
11008         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11009         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11010         member functions.
11011         (Target_x86_64::Scan::global): Likewise.
11012         (Target_x86_64::Relocate::relocate): Likewise.
11013         (Target_x86_64::Relocate::relocate_tls): Likewise.
11014
11015 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11016
11017         * yyscript.y: Fix spelling error in comment.
11018
11019 2008-03-24  Ian Lance Taylor  <iant@google.com>
11020
11021         * options.h (class General_options): Define build_id option.
11022         * layout.h (class Layout): Declare write_build_id, create_note,
11023         create_build_id.  Add build_id_note_ member.
11024         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11025         "libiberty.h", "md5.h", "sha1.h".
11026         (Layout::Layout): Initialize eh_frame_data_,
11027         eh_frame_hdr_section_, and build_id_note_.
11028         (Layout::finalize): Call create_build_id.
11029         (Layout::create_note): New function, broken out of
11030         Layout::create_gold_note.
11031         (Layout::create_gold_note): Call create_note.
11032         (Layout::create_build_id): New function.
11033         (Layout::write_build_id): New function.
11034         (Close_task_runner::run): Call write_build_id.
11035
11036         * x86_64.cc: Correct license to GPLv3.
11037
11038 2008-03-23  Ian Lance Taylor  <iant@google.com>
11039
11040         * options.cc: Include "demangle.h".
11041         (parse_optional_string): New function.
11042         (parse_long_option): Handle takes_optional_argument.
11043         (parse_short_option): Update dash_z initializer.  Handle
11044         takes_optional_argument.
11045         (General_options::General_options): Initialize do_demangle_.
11046         (General_options::finalize): Set do_demangle_.  Handle demangling
11047         style.
11048         * options.h (parse_optional_string): Declare.
11049         (struct One_option): Add optional_arg field.  Update constructor.
11050         Update call constructor calls.  Add takes_optional_argument
11051         function.
11052         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11053         (DEFINE_optional_string): Define.
11054         (General_options::demangle): Change from DEFINE_bool to
11055         DEFINE_optional_string.
11056         (General_options::no_demangle): New function.
11057         (General_options::do_demangle): New function.
11058         (General_options::set_do_demangle): New function.
11059         (General_options::execstack_status_): Move definition to end of
11060         class definition.
11061         (General_options::static_): Likewise.
11062         (General_options::do_demangle_): New field.
11063         * object.cc (big_endian>::get_symbol_location_info): Call
11064         Options::do_demangle, not Options::demangle.
11065         * symtab.cc (demangle): Likewise.
11066
11067 2008-03-22  Ian Lance Taylor  <iant@google.com>
11068
11069         * gold.h: Include <cstddef> and <sys/types.h>
11070         * options.h: Include <cstring>.
11071
11072 2008-03-21  Ian Lance Taylor  <iant@google.com>
11073
11074         * Added source code to GNU binutils.