PR gold/12804
[external/binutils.git] / gold / ChangeLog
1 2011-06-08  Cary Coutant  <ccoutant@google.com>
2
3         PR gold/12804
4         * testsuite/two_file_test_2_v1.cc: Change initialization of
5         v2 to keep it in .data.
6
7 2011-06-07  Cary Coutant  <ccoutant@google.com>
8
9         * common.cc (Symbol_table::do_allocate_commons_list): Call
10         gold_fallback.
11         * errors.cc (Errors::fatal): Adjust call to gold_exit.
12         (Errors::fallback): New function.
13         (gold_fallback): New function.
14         * errors.h (Errors::fallback): New function.
15         * gold.cc (gold_exit): Change status parameter to enum; adjust
16         all callers.
17         (queue_initial_tasks): Call gold_fallback.
18         * gold.h: Include cstdlib.
19         (Exit_status): New enum type.
20         (gold_exit): Change status parameter to enum.
21         (gold_fallback): New function.
22         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
23         (Layout::create_symtab_sections): Likewise.
24         (Layout::create_shdrs): Likewise.
25         * main.cc (main): Adjust call to gold_exit.
26         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
27         (Output_data_got::add_got_entry_pair): Likewise.
28         (Output_section::add_input_section): Likewise.
29         (Output_section::add_output_section_data): Likewise.
30         (Output_segment::set_section_list_addresses): Likewise.
31         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
32
33 2011-06-07  Cary Coutant  <ccoutant@google.com>
34
35         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
36         for incremental links.
37         * output.cc (Output_segment::set_section_list_addresses): Remove
38         FIXME and test for TLS or BSS.
39
40 2011-06-07  Cary Coutant  <ccoutant@google.com>
41
42         * testsuite/Makefile.am: Add incremental_copy_test,
43         incremental_common_test_1.
44         * testsuite/Makefile.in: Regenerate.
45         * testsuite/common_test_1_v1.c: New source file.
46         * testsuite/common_test_1_v2.c: New source file.
47         * testsuite/copy_test_v1.cc: New source file.
48
49 2011-06-07  Cary Coutant  <ccoutant@google.com>
50
51         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
52         update, allocate common from bss section's free list.
53         * incremental-dump.cc (dump_incremental_inputs): Print flag for
54         linker-defined symbols.
55         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
56         Skip GOT and PLT entries that are no longer referenced.
57         (Output_section_incremental_inputs::write_info_blocks): Mark
58         linker-defined symbols.
59         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
60         * output.cc (Output_section::allocate): New function.
61         * output.h (Output_section::allocate): New function.
62         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
63         linker-defined symbols.
64         (Symbol::override_base_with_special): Copy is_predefined_ flag.
65         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
66         (Symbol::init_base_output_data): Likewise.
67         (Symbol::init_base_output_segment): Likewise.
68         (Symbol::init_base_constant): Likewise.
69         (Sized_symbol::init_output_data): Likewise.
70         (Sized_symbol::init_output_segment): Likewise.
71         (Sized_symbol::init_constant): Likewise.
72         (Symbol_table::do_define_in_output_data): Likewise.
73         (Symbol_table::do_define_in_output_segment): Likewise.
74         (Symbol_table::do_define_as_constant): Likewise.
75         * symtab.h (Symbol::is_predefined): New function.
76         (Symbol::init_base_output_data): Add is_predefined parameter.
77         (Symbol::init_base_output_segment): Likewise.
78         (Symbol::init_base_constant): Likewise.
79         (Symbol::is_predefined_): New data member.
80         (Sized_symbol::init_output_data): Add is_predefined parameter.
81         (Sized_symbol::init_output_segment): Likewise.
82         (Sized_symbol::init_constant): Likewise.
83         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
84
85 2011-06-07  Cary Coutant  <ccoutant@google.com>
86
87         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
88         instead of emit_copy_reloc.
89         (Copy_relocs::emit_copy_reloc): Refactor.
90         (Copy_relocs::make_copy_reloc): New function.
91         (Copy_relocs::add_copy_reloc): Remove.
92         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
93         section.
94         (Copy_relocs::make_copy_reloc): New function.
95         (Copy_relocs::add_copy_reloc): Remove.
96         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
97         unchanged input files.
98         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
99         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
100         Reserve BSS space for COPY relocations.
101         (Sized_incremental_binary::do_emit_copy_relocs): New function.
102         (Output_section_incremental_inputs::write_info_blocks): Record
103         whether a symbol is copied from a shared object.
104         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
105         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
106         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
107         (Incremental_input_entry_reader::get_output_symbol_index): Add
108         is_copy parameter.
109         (Incremental_binary::emit_copy_relocs): New function.
110         (Incremental_binary::do_emit_copy_relocs): New function.
111         (Sized_incremental_binary::Sized_incremental_binary): Initialize
112         new data member.
113         (Sized_incremental_binary::add_copy_reloc): New function.
114         (Sized_incremental_binary::do_emit_copy_relocs): New function.
115         (Sized_incremental_binary::Copy_reloc): New struct.
116         (Sized_incremental_binary::Copy_relocs): New typedef.
117         (Sized_incremental_binary::copy_relocs_): New data member.
118         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
119         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
120         * target.h (Sized_target::emit_copy_reloc): New function.
121         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
122
123 2011-06-02  Cary Coutant  <ccoutant@google.com>
124
125         PR gold/12163
126         * gold/archive.cc (Archive::Archive): Initialize new data member.
127         (Archive::include_all_members): Return if archive has already been
128         included.
129         * gold/archive.h (Archive::include_all_members_): New data member.
130
131 2011-06-02  Nick Clifton  <nickc@redhat.com>
132
133         * dynobj.h: Fix spelling mistake in comment.
134         * output.cc: Likewise.
135
136 2011-05-31  Doug Kwan  <dougkwan@google.com>
137             Asier Llano
138
139         PR gold/12826
140         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
141         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
142         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
143         redundant arm_exidx_test.so.
144         * testsuite/Makefile.in: Regenerate.
145         (check_SCRIPTS): Add pr12826.sh
146         (check_DATA): Add pr12826.stdout
147         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
148         * testsuite/pr12826.sh: New file.
149         * testsuite/pr12826_1.s: Ditto.
150         * testsuite/pr12826_1.s: Ditto.
151
152 2011-05-30  Ian Lance Taylor  <iant@google.com>
153
154         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
155         sections.
156
157 2011-05-29  Ian Lance Taylor  <iant@google.com>
158
159         PR gold/12804
160         * testsuite/Makefile.am: Use different file name for two_file_test
161         temporary file for each incremental test.
162         * testsuite/Makefile.in: Rebuild.
163
164 2011-05-29  Ian Lance Taylor  <iant@google.com>
165
166         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
167         binary input file is empty.
168
169 2011-05-27  Ian Lance Taylor  <iant@google.com>
170
171         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
172         (ver_test_9.so): Likewise.
173         * testsuite/Makefile.in: Rebuild.
174
175 2011-05-26 Cary Coutant  <ccoutant@google.com>
176
177         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
178         * incremental.cc (Incremental_inputs::report_input_section): Fix
179         comment, indentation.
180         (Incremental_inputs::report_comdat_group): New function.
181         (Output_section_incremental_inputs::set_final_data_size): Adjust size
182         of data for incremental input file entry.
183         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
184         group count, COMDAT group signatures.
185         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
186         an unchanged input file.
187         * incremental.h (Incremental_object_entry::Incremental_object_entry):
188         Initialize new data member.
189         (Incremental_object_entry::add_comdat_group): New function.
190         (Incremental_object_entry::get_comdat_group_count): New function.
191         (Incremental_object_entry::get_comdat_signature_key): New function.
192         (Incremental_object_entry::groups_): New data member.
193         (Incremental_inputs::report_comdat_group): New function.
194         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
195         data for incremental input file entry.
196         (Incremental_input_entry_reader::get_comdat_group_count): New function.
197         (Incremental_input_entry_reader::get_input_section): Adjust size of
198         data for incremental input file entry.
199         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
200         (Incremental_input_entry_reader::get_comdat_group_signature): New
201         function.
202         * object.cc (Sized_relobj::include_section_group): Report kept
203         COMDAT groups for incremental links.
204
205 2011-05-24  David Meyer  <pdox@google.com>
206
207         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
208         with name parameter.  Add found_name parameter.
209         * fileread.cc (Input_file::find_file): Adjust code accordingly.
210         * dirsearch.h (class Dirsearch): Update declaration.
211
212 2011-05-24  Ian Lance Taylor  <iant@google.com>
213
214         * archive.cc (Library_base::should_include_member): Pull in object
215         from archive if it defines the entry symbol.
216         * parameters.cc (Parameters::entry): New function.
217         * parameters.h (class Parameters): Declare entry.
218         * output.h (class Output_file_header): Remove entry_ field.
219         * output.cc (Output_file_header::Output_file_header): Remove entry
220         parameter.  Change all callers.
221         (Output_file_header::entry): Use parameters->entry.
222         * gold.cc (queue_middle_tasks): Likewise.
223         * plugin.cc (Plugin_hook::run): Likewise.
224
225 2011-05-24 Cary Coutant  <ccoutant@google.com>
226
227         * gold.cc (queue_initial_tasks): Pass incremental base filename
228         to Output_file::open_base_file; don't print error message.
229         * incremental-dump.cc (main): Adjust call to
230         Output_file::open_for_modification.
231         * incremental-dump.cc (main): Likewise.
232         * incremental.cc (Incremental_inputs::report_command_line):
233         Ignore --incremental-base option when comparing command lines.
234         Ignore parameter when given as separate argument.
235         * options.h (class General_options): Add --incremental-base.
236         * output.cc (Output_file::Output_file):
237         (Output_file::open_base_file): Add base_name and writable parameters;
238         read base file into new file; print error message here.
239         (Output_file::map_no_anonymous): Add writable parameter; adjust all
240         callers.
241         * output.h (Output_file::open_for_modification): Rename to...
242         (Output_file::open_base_file): ...this; add base_name and
243         writable parameters; adjust all callers.
244         (Output_file::map_no_anonymous): Add writable parameter; adjust all
245         callers.
246         * testsuite/Makefile.am (incremental_test_4): Test
247         --incremental-base.
248         * testsuite/Makefile.in: Regenerate.
249
250 2011-05-24 Cary Coutant  <ccoutant@google.com>
251
252         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
253         incremental_test_4.
254         * testsuite/Makefile.in: Regenerate.
255         * testsuite/two_file_test_1_v1.cc: New test source file.
256         * testsuite/two_file_test_1b_v1.cc: New test source file.
257         * testsuite/two_file_test_2_v1.cc: New test source file.
258
259 2011-05-24 Cary Coutant  <ccoutant@google.com>
260
261         * dynobj.h (Dynobj::do_dynobj): New function.
262         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
263         flag and soname for shared objects.
264         * incremental.cc (Incremental_inputs::report_object): Make
265         either Incremental_object_entry or Incremental_dynobj_entry; add
266         soname to string table.
267         (Incremental_inputs::report_input_section): Add assertion.
268         (Output_section_incremental_inputs::set_final_data_size): Adjust
269         type of input file entry for shared libraries; adjust size of
270         shared library info entry.
271         (Output_section_incremental_inputs::write_input_files): Write
272         as_needed flag for shared libraries.
273         (Output_section_incremental_inputs::write_info_blocks): Adjust type
274         of input file entry for shared libraries; write soname.
275         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
276         soname from incremental info.
277         * incremental.h (enum Incremental_input_flags): Add
278         INCREMENTAL_INPUT_AS_NEEDED.
279         (Incremental_input_entry::Incremental_input_entry): Initialize new
280         data member.
281         (Incremental_input_entry::set_as_needed): New function.
282         (Incremental_input_entry::as_needed): New function.
283         (Incremental_input_entry::do_dynobj_entry): New function.
284         (Incremental_input_entry::as_needed_): New data member.
285         (Incremental_object_entry::Incremental_object_entry): Don't check
286         for shared library.
287         (Incremental_object_entry::do_type): Likewise.
288         (class Incremental_dynobj_entry): New class.
289         (Incremental_input_entry_reader::as_needed): New function.
290         (Incremental_input_entry_reader::get_soname): New function.
291         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
292         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
293         size of shared library info entry.
294         * layout.cc (Layout::finish_dynamic_section): Don't test for 
295         incremental link when adding DT_NEEDED entries.
296         * object.h (Object::Object): Initialize new data member.
297         (Object::dynobj): New function.
298         (Object::set_as_needed): New function.
299         (Object::as_needed): New function.
300         (Object::do_dynobj): New function.
301         (Object::as_needed_): New data member.
302
303 2011-05-24 Cary Coutant  <ccoutant@google.com>
304
305         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
306         info; adjust display of GOT entries.
307         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
308         vector of input objects; remove file_status_.
309         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
310         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
311         got_plt reader; call target hooks to reserve GOT entries.
312         (Output_section_incremental_inputs::set_final_data_size): Adjust size
313         of input file info header and GOT info entry.
314         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
315         relocation info.
316         (Got_plt_view_info::got_descriptor): Remove.
317         (Got_plt_view_info::sym_index): New data member.
318         (Got_plt_view_info::input_index): New data member.
319         (Local_got_offset_visitor::visit): Write input file index.
320         (Global_got_offset_visitor::visit): Write 0 for input file index.
321         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
322         with sym_index and input_index.
323         (Output_section_incremental_inputs::write_got_plt): Adjust size of
324         incremental info GOT entry; replace got_descriptor with input_index.
325         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
326         map from input file index to object.
327         (Sized_relobj_incr::do_layout): Replace direct data member reference
328         with accessor function.
329         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
330         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
331         Adjust size of input file info header.
332         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
333         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
334         (Incremental_input_entry_reader::get_input_section): Adjust size of
335         input file info header.
336         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
337         of incremental info GOT entry.
338         (Incremental_got_plt_reader::get_got_desc): Remove.
339         (Incremental_got_plt_reader::get_got_symndx): New function.
340         (Incremental_got_plt_reader::get_got_input_index): New function.
341         (Sized_incremental_binary::Sized_incremental_binary): Remove
342         file_status_; add input_objects_.
343         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
344         (Sized_incremental_binary::set_file_is_unchanged): Remove.
345         (Sized_incremental_binary::file_is_unchanged): Remove.
346         (Sized_incremental_binary::set_input_object): New function.
347         (Sized_incremental_binary::input_object): New function.
348         (Sized_incremental_binary::file_status_): Remove.
349         (Sized_incremental_binary::input_objects_): New data member.
350         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
351         references.
352         (Sized_relobj_incr::invalid_address): Move to base class.
353         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
354         class.
355         (Sized_relobj_incr::do_output_section_offset): Likewise.
356         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
357         (Sized_relobj_incr::section_offsets_): Likewise.
358         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
359         function.
360         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
361         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
362         with accessor function.
363         (Sized_relobj_file::do_layout): Likewise.
364         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
365         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
366         (Sized_relobj_file::compute_final_local_value): Replace refs to
367         section_offsets_ with accessor function.
368         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
369         * object.h (Relobj::Relobj): Initialize new data members.
370         (Relobj::add_dyn_reloc): New function.
371         (Relobj::first_dyn_reloc): New function.
372         (Relobj::dyn_reloc_count): New function.
373         (Relobj::first_dyn_reloc_): New data member.
374         (Relobj::dyn_reloc_count_): New data member.
375         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
376         references.
377         (Sized_relobj::Address): New typedef.
378         (Sized_relobj::invalid_address): Move here from child class.
379         (Sized_relobj::Sized_relobj): Initialize new data members.
380         (Sized_relobj::sized_relobj): New function.
381         (Sized_relobj::is_output_section_offset_invalid): Move here from
382         child class.
383         (Sized_relobj::get_output_section_offset): Likewise.
384         (Sized_relobj::local_has_got_offset): Likewise.
385         (Sized_relobj::local_got_offset): Likewise.
386         (Sized_relobj::set_local_got_offset): Likewise.
387         (Sized_relobj::do_for_all_local_got_entries): Likewise.
388         (Sized_relobj::clear_got_offsets): New function.
389         (Sized_relobj::section_offsets): Move here from child class.
390         (Sized_relobj::do_output_section_offset): Likewise.
391         (Sized_relobj::do_set_section_offset): Likewise.
392         (Sized_relobj::Local_got_offsets): Likewise.
393         (Sized_relobj::local_got_offsets_): Likewise.
394         (Sized_relobj::section_offsets_): Likewise.
395         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
396         references.
397         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
398         class.
399         (Sized_relobj_file::sized_relobj): New function
400         (Sized_relobj_file::local_has_got_offset): Move to base class.
401         (Sized_relobj_file::local_got_offset): Likewise.
402         (Sized_relobj_file::set_local_got_offset): Likewise.
403         (Sized_relobj_file::get_output_section_offset): Likewise.
404         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
405         (Sized_relobj_file::do_output_section_offset): Likewise.
406         (Sized_relobj_file::do_set_section_offset): Likewise.
407         (Sized_relobj_file::Local_got_offsets): Likewise.
408         (Sized_relobj_file::local_got_offsets_): Likewise.
409         (Sized_relobj_file::section_offsets_): Likewise.
410         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
411         (all constructors).
412         (set_needs_dynsym_index): Convert relobj to derived class pointer.
413         (Output_reloc::get_symbol_index): Likewise.
414         (Output_reloc::local_section_offset): Likewise.
415         (Output_reloc::get_address): Likewise.
416         (Output_reloc::symbol_value): Likewise.
417         (Output_data_got::reserve_slot): Move to class definition.
418         (Output_data_got::reserve_local): New function.
419         (Output_data_got::reserve_slot_for_global): Remove.
420         (Output_data_got::reserve_global): New function.
421         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
422         (all constructors, two instantiations).
423         (Output_reloc::get_relobj): New function (two instantiations).
424         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
425         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
426         (Output_data_reloc::add_global): Adjust type of relobj.
427         (Output_data_reloc::add_global_relative): Likewise.
428         (Output_data_reloc::add_symbolless_global_addend): Likewise.
429         (Output_data_reloc::add_local): Likewise.
430         (Output_data_reloc::add_local_relative): Likewise.
431         (Output_data_reloc::add_symbolless_local_addend): Likewise.
432         (Output_data_reloc::add_local_section): Likewise.
433         (Output_data_reloc::add_output_section): Likewise.
434         (Output_data_reloc::add_absolute): Likewise.
435         (Output_data_reloc::add_target_specific): Likewise.
436         (Output_data_got::reserve_slot): Move definition here.
437         (Output_data_got::reserve_local): New function.
438         (Output_data_got::reserve_global): New function.
439         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
440         section_offsets_ with accessor function.
441         (Sized_relobj_file::write_sections): Likewise.
442         (Sized_relobj_file::do_relocate_sections): Likewise.
443         * target.h (Sized_target::reserve_local_got_entry): New function.
444         (Sized_target::reserve_global_got_entry): New function.
445         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
446         (Target_x86_64::reserve_global_got_entry): New function.
447         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
448
449 2011-05-23 Cary Coutant  <ccoutant@google.com>
450
451         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
452         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
453         bit when checking got_type.
454         * incremental.cc (Sized_incremental_binary::setup_readers):
455         Store symbol table and string table locations; initialize bit vector
456         of file status flags.
457         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
458         unchanged files.
459         (Sized_incremental_binary::do_process_got_plt): New function.
460         (Sized_incremental_binary::get_symtab_view): Use stored locations.
461         (Output_section_incremental_inputs::set_final_data_size): Record
462         file index for each input file.
463         (Output_section_incremental_inputs::write_got_plt): Store file index
464         instead of input entry offset for each GOT entry.
465         * incremental.h
466         (Incremental_input_entry::Incremental_input_entry): Initialize new
467         data member.
468         (Incremental_input_entry::set_offset): Store file index.
469         (Incremental_input_entry::get_file_index): New function.
470         (Incremental_input_entry::file_index_): New data member.
471         (Incremental_binary::process_got_plt): New function.
472         (Incremental_binary::do_process_got_plt): New function.
473         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
474         data members.
475         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
476         (Sized_incremental_binary::set_file_is_unchanged): New function.
477         (Sized_incremental_binary::file_is_unchanged): New function.
478         (Sized_incremental_binary::do_process_got_plt): New function.
479         (Sized_incremental_binary::file_status_): New data member.
480         (Sized_incremental_binary::main_symtab_loc_): New data member.
481         (Sized_incremental_binary::main_strtab_loc_): New data member.
482         * output.cc (Output_data_got::Got_entry::write): Add case
483         RESERVED_CODE.
484         (Output_data_got::add_global): Call add_got_entry.
485         (Output_data_got::add_global_plt): Likewise.
486         (Output_data_got::add_global_with_rel): Likewise.
487         (Output_data_got::add_global_with_rela): Likewise.
488         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
489         (Output_data_got::add_global_pair_with_rela): Likewise.
490         (Output_data_got::add_local): Call add_got_entry.
491         (Output_data_got::add_local_plt): Likewise.
492         (Output_data_got::add_local_with_rel): Likewise.
493         (Output_data_got::add_local_with_rela): Likewise.
494         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
495         (Output_data_got::add_local_pair_with_rela): Likewise.
496         (Output_data_got::reserve_slot): New function.
497         (Output_data_got::reserve_slot_for_global): New function.
498         (Output_data_got::add_got_entry): New function.
499         (Output_data_got::add_got_entry_pair): New function.
500         (Output_section::add_output_section_data): Edit FIXME.
501         * output.h
502         (Output_section_data_build::Output_section_data_build): New
503         constructor with size parameter.
504         (Output_data_space::Output_data_space): Likewise.
505         (Output_data_got::Output_data_got): Initialize new data member; new
506         constructor with size parameter.
507         (Output_data_got::add_constant): Call add_got_entry.
508         (Output_data_got::reserve_slot): New function.
509         (Output_data_got::reserve_slot_for_global): New function.
510         (class Output_data_got::Got_entry): Add RESERVED_CODE.
511         (Output_data_got::add_got_entry): New function.
512         (Output_data_got::add_got_entry_pair): New function.
513         (Output_data_got::free_list_): New data member.
514         * target.h (Sized_target::init_got_plt_for_update): New function.
515         (Sized_target::register_global_plt_entry): New function.
516         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
517         Initialize new data member; call init; add constructor with PLT count.
518         (Output_data_plt_x86_64::init): New function.
519         (Output_data_plt_x86_64::add_relocation): New function.
520         (Output_data_plt_x86_64::reserve_slot): New function.
521         (Output_data_plt_x86_64::free_list_): New data member.
522         (Target_x86_64::init_got_plt_for_update): New function.
523         (Target_x86_64::register_global_plt_entry): New function.
524         (Output_data_plt_x86_64::add_entry): Allocate from free list for
525         incremental updates.
526         (Output_data_plt_x86_64::add_relocation): New function.
527         * testsuite/object_unittest.cc (Object_test): Set default options.
528
529 2011-05-16  Ian Lance Taylor  <iant@google.com>
530
531         * options.h (class General_options): Make -i a synonym for -r.
532
533 2011-05-16  Ian Lance Taylor  <iant@google.com>
534
535         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
536
537 2011-05-10 Cary Coutant  <ccoutant@google.com>
538
539         * object.cc (Sized_relobj::do_count_local_symbols): Check for
540         strip_all (-s).
541
542 2011-05-06  Ian Lance Taylor  <iant@google.com>
543
544         * layout.cc (Layout::layout): If the output section flags change,
545         update the ordering.
546
547 2011-04-25 Cary Coutant  <ccoutant@google.com>
548
549         * incremental-dump.cc (dump_incremental_inputs): Print local
550         symbol info for each input file.
551         * incremental.cc
552         (Output_section_incremental_inputs::set_final_data_size): Add local
553         symbol info to input file entries in incremental info.
554         (Output_section_incremental_inputs::write_info_blocks): Likewise.
555         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
556         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
557         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
558         implementation.
559         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
560         (Sized_incr_relobj::do_relocate): Write the local symbols.
561         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
562         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
563         Adjust size of input file header.
564         (Incremental_inputs_reader::get_local_symbol_offset): New function.
565         (Incremental_inputs_reader::get_local_symbol_count): New function.
566         (Incremental_inputs_reader::get_input_section): Adjust size of input
567         file header.
568         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
569         (Sized_incr_relobj::This): New typedef.
570         (Sized_incr_relobj::sym_size): New const data member.
571         (Sized_incr_relobj::Local_symbol): New struct.
572         (Sized_incr_relobj::do_output_local_symbol_count): New function.
573         (Sized_incr_relobj::do_local_symbol_offset): New function.
574         (Sized_incr_relobj::local_symbol_count_): New data member.
575         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
576         (Sized_incr_relobj::local_symbol_index_): New data member.
577         (Sized_incr_relobj::local_symbol_offset_): New data member.
578         (Sized_incr_relobj::local_dynsym_offset_): New data member.
579         (Sized_incr_relobj::local_symbols_): New data member.
580         * object.h (Relobj::output_local_symbol_count): New function.
581         (Relobj::local_symbol_offset): New function.
582         (Relobj::do_output_local_symbol_count): New function.
583         (Relobj::do_local_symbol_offset): New function.
584         (Sized_relobj::do_output_local_symbol_count): New function.
585         (Sized_relobj::do_local_symbol_offset): New function.
586
587 2011-04-22  Vladimir Simonov  <sv@sw.ru>
588
589         * descriptors.cc (set_close_on_exec): New function.
590         (Descriptors::open): Use set_close_on_exec.
591         * output.cc (S_ISLNK): Define if not defined.
592
593 2011-04-22 Cary Coutant  <ccoutant@google.com>
594
595         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
596         global symbol map.
597         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
598         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
599         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
600         relocations.
601         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
602         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
603         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
604         * incremental.h
605         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
606         function.
607         (Incremental_binary::apply_incremental_relocs): New function.
608         (Incremental_binary::do_apply_incremental_relocs): New function.
609         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
610         data member.
611         (Sized_incremental_binary::add_global_symbol): New function.
612         (Sized_incremental_binary::global_symbol): New function.
613         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
614         (Sized_incremental_binary::symbol_map_): New data member.
615         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
616         * target.h (Sized_target::apply_relocation): New function.
617         * target-reloc.h (apply_relocation): New function.
618         * x86_64.cc (Target_x86_64::apply_relocation): New function.
619
620 2011-04-22  Doug Kwan  <dougkwan@google.com>
621
622         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
623         flag of a SHT_ARM_EXIDX section.
624         * testsuite/Makefile.am (arm_exidx_test): New test rules.
625         * testsuite/Makefile.in: Regenerate.
626         * testsuite/arm_exidx_test.s: New file.
627         * testsuite/arm_exidx_test.sh: Same.
628
629 2011-04-20 Cary Coutant  <ccoutant@google.com>
630
631         PR gold/12689
632         * archive.h (Incremental_archive_entry::Archive_member):
633         Initialize arg_serial_ (second constructor).
634
635 2011-04-17  Ian Lance Taylor  <iant@google.com>
636
637         * object.cc (Relocate_info::location): Simplify location string.
638         * errors.cc (Errors::error_at_location): Don't print program
639         name.
640         (Errors::warning_at_location): Likewise.
641         (Errors::undefined_symbol): Likewise.
642         * testsuite/debug_msg.sh: Update accordingly.
643
644 2011-04-14 Cary Coutant  <ccoutant@google.com>
645
646         * gold/layout.cc (Layout::symtab_section_offset): New function.
647         * gold/layout.h (Layout::symtab_section_offset): New function.
648         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
649
650 2011-04-12  Ian Lance Taylor  <iant@google.com>
651
652         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
653         with MREMAP_MAYMOVE.
654         * output.h (class Output_file): Add map_is_allocated_ field.
655         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
656         not available, provide stubs.  If mremap is not available, #define
657         it to gold_mremap.
658         (MREMAP_MAYMOVE): Define if not defined.
659         (Output_file::Output_file): Initialize map_is_allocated_.
660         (Output_file::resize): Check map_is_allocated_.
661         (Output_file::map_anonymous): If mmap fails, use malloc.
662         (Output_file::unmap): Don't do anything for an anonymous map.
663         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
664         is not available, provide stubs.
665         (File_read::View::~View): Use free rather than delete[].
666         (File_read::make_view): Use malloc rather than new[].  If mmap
667         fails, use malloc.
668         (File_read::find_or_make_view): Use malloc rather than new[].
669         * gold.h: Remove HAVE_REMAP code.
670         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
671         exists.  Rename mremap to gold_mremap.  If mmap is not available
672         don't do anything.
673         * configure, config.in: Rebuild.
674
675 2011-04-11  Ian Lance Taylor  <iant@google.com>
676
677         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
678         initialize local variable v.
679
680 2011-04-11  Cary Coutant  <ccoutant@google.com>
681
682         * archive.cc (Archive::include_member): Adjust call to
683         report_object.
684         (Add_archive_symbols::run): Track argument serial numbers.
685         (Lib_group::include_member): Likewise.
686         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
687         * archive.h (Incremental_archive_entry::Archive_member):
688         Initialize arg_serial_.
689         (Archive_member::arg_serial_): New data member.
690         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
691         (Sized_dynobj::do_add_symbols): Track symbols when doing an
692         incremental link.
693         (Sized_dynobj::do_for_all_local_got_entries): New function.
694         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
695         function.
696         * fileread.cc (get_mtime): New function.
697         * fileread.h (get_mtime): New function.
698         * gold.cc (queue_initial_tasks): Check for incremental update.
699         (process_incremental_input): New function.
700         (queue_middle_tasks): Don't force valid target for incremental
701         update.
702         * incremental-dump.cc (find_input_containing_global): Adjust
703         size of symbol info entry.
704         (dump_incremental_inputs): Dump argument serial number and
705         in_system_directory flag; bias shndx by 1; print symbol names
706         when dumping per-file symbol lists; use new symbol info readers.
707         * incremental.cc
708         (Output_section_incremental_inputs:update_data_size): New function.
709         (Sized_incremental_binary::setup_readers): Setup input readers
710         for each input file; build maps for files added from libraries
711         and scripts.
712         (Sized_incremental_binary::check_input_args): New function.
713         (Sized_incremental_binary::do_check_inputs): Build map of argument
714         serial numbers to input arguments.
715         (Sized_incremental_binary::do_file_has_changed): Rename
716         do_file_is_unchanged to this; compare file modification times.
717         (Sized_incremental_binary::do_init_layout): New function.
718         (Sized_incremental_binary::do_reserve_layout): New function.
719         (Sized_incremental_binary::do_get_input_reader): Remove.
720         (Sized_incremental_binary::get_symtab_view): New function.
721         (Incremental_checker::can_incrementally_link_output_file): Remove.
722         (Incremental_inputs::report_command_line): Exclude --debug options.
723         (Incremental_inputs::report_archive_begin): Add parameter; track
724         argument serial numbers; don't put input file entry for archive
725         before archive members.
726         (Incremental_inputs::report_archive_end): Put input file entry
727         for archive after archive members.
728         (Incremental_inputs::report_object): Add parameter; track argument
729         serial numbers and in_system_directory flag.
730         (Incremental_inputs::report_script): Add parameter; track argument
731         serial numbers.
732         (Output_section_incremental_inputs::set_final_data_size): Adjust
733         size of symbol info entry; check for forwarding symbols.
734         (Output_section_incremental_inputs::write_input_files): Write
735         in_system_directory flag and argument serial number.
736         (Output_section_incremental_inputs::write_info_blocks): Map section
737         indices between incremental info and original input file; store
738         input section index for each symbol.
739         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
740         change operator() to visit().
741         (class Global_got_offset_visitor): Likewise.
742         (class Global_symbol_visitor_got_plt):
743         (Output_section_incremental_inputs::write_got_plt): Use new visitor
744         classes.
745         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
746         (Sized_incr_relobj::do_read_symbols): New function.
747         (Sized_incr_relobj::do_layout): New function.
748         (Sized_incr_relobj::do_layout_deferred_sections): New function.
749         (Sized_incr_relobj::do_add_symbols): New function.
750         (Sized_incr_relobj::do_should_include_member): New function.
751         (Sized_incr_relobj::do_for_all_global_symbols): New function.
752         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
753         (Sized_incr_relobj::do_section_size): New function.
754         (Sized_incr_relobj::do_section_name): New function.
755         (Sized_incr_relobj::do_section_contents): New function.
756         (Sized_incr_relobj::do_section_flags): New function.
757         (Sized_incr_relobj::do_section_entsize): New function.
758         (Sized_incr_relobj::do_section_address): New function.
759         (Sized_incr_relobj::do_section_type): New function.
760         (Sized_incr_relobj::do_section_link): New function.
761         (Sized_incr_relobj::do_section_info): New function.
762         (Sized_incr_relobj::do_section_addralign): New function.
763         (Sized_incr_relobj::do_initialize_xindex): New function.
764         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
765         (Sized_incr_relobj::do_read_relocs): New function.
766         (Sized_incr_relobj::do_gc_process_relocs): New function.
767         (Sized_incr_relobj::do_scan_relocs): New function.
768         (Sized_incr_relobj::do_count_local_symbols): New function.
769         (Sized_incr_relobj::do_finalize_local_symbols): New function.
770         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
771         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
772         (Sized_incr_relobj::do_relocate): New function.
773         (Sized_incr_relobj::do_set_section_offset): New function.
774         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
775         (Sized_incr_dynobj::do_read_symbols): New function.
776         (Sized_incr_dynobj::do_layout): New function.
777         (Sized_incr_dynobj::do_add_symbols): New function.
778         (Sized_incr_dynobj::do_should_include_member): New function.
779         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
780         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
781         (Sized_incr_dynobj::do_section_size): New function.
782         (Sized_incr_dynobj::do_section_name): New function.
783         (Sized_incr_dynobj::do_section_contents): New function.
784         (Sized_incr_dynobj::do_section_flags): New function.
785         (Sized_incr_dynobj::do_section_entsize): New function.
786         (Sized_incr_dynobj::do_section_address): New function.
787         (Sized_incr_dynobj::do_section_type): New function.
788         (Sized_incr_dynobj::do_section_link): New function.
789         (Sized_incr_dynobj::do_section_info): New function.
790         (Sized_incr_dynobj::do_section_addralign): New function.
791         (Sized_incr_dynobj::do_initialize_xindex): New function.
792         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
793         (make_sized_incremental_object): New function.
794         (Incremental_library::copy_unused_symbols): New function.
795         (Incremental_library::do_for_all_unused_symbols): New function.
796         * incremental.h (enum Incremental_input_flags): New type.
797         (class Incremental_checker): Remove.
798         (Incremental_input_entry::Incremental_input_entry): Add argument
799         serial number.
800         (Incremental_input_entry::arg_serial): New function.
801         (Incremental_input_entry::set_is_in_system_directory): New function.
802         (Incremental_input_entry::is_in_system_directory): New function.
803         (Incremental_input_entry::arg_serial_): New data member.
804         (Incremental_input_entry::is_in_system_directory_): New data member.
805         (class Script_info): Move here from script.h.
806         (Script_info::Script_info): Add filename parameter.
807         (Script_info::filename): New function.
808         (Script_info::filename_): New data member.
809         (Incremental_script_entry::Incremental_script_entry): Add argument
810         serial number.
811         (Incremental_object_entry::Incremental_object_entry): Likewise.
812         (Incremental_object_entry::add_input_section): Build list of input
813         sections with map to original shndx.
814         (Incremental_object_entry::get_input_section_index): New function.
815         (Incremental_object_entry::shndx_): New data member.
816         (Incremental_object_entry::name_key_): Rename; adjust all refs.
817         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
818         (Incremental_archive_entry::Incremental_archive_entry): Add argument
819         serial number.
820         (Incremental_inputs::report_archive_begin): Likewise.
821         (Incremental_inputs::report_object): Likewise.
822         (Incremental_inputs::report_script): Likewise.
823         (class Incremental_global_symbol_reader): New class.
824         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
825         and store flags and input file type.
826         (Incremental_input_entry_reader::arg_serial): New function.
827         (Incremental_input_entry_reader::type): Extract type from flags.
828         (Incremental_input_entry_reader::is_in_system_directory): New function.
829         (Incremental_input_entry_reader::get_input_section_count): Call
830         accessor function for type.
831         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
832         function for type; adjust size of global symbol entry.
833         (Incremental_input_entry_reader::get_global_symbol_count): Call
834         accessor function for type.
835         (Incremental_input_entry_reader::get_object_count): Likewise.
836         (Incremental_input_entry_reader::get_object_offset): Likewise.
837         (Incremental_input_entry_reader::get_member_count): Likewise.
838         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
839         (Incremental_input_entry_reader::get_member_offset): Likewise.
840         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
841         (Incremental_input_entry_reader::Global_symbol_info): Remove.
842         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
843         (Incremental_input_entry_reader::get_global_symbol_reader): New
844         function.
845         (Incremental_input_entry_reader::get_output_symbol_index): New
846         function.
847         (Incremental_input_entry_reader::type_): Remove.
848         (Incremental_input_entry_reader::flags_): New data member.
849         (Incremental_inputs_reader::input_file_offset): New function.
850         (Incremental_inputs_reader::input_file_index): New function.
851         (Incremental_inputs_reader::input_file): Call input_file_offset.
852         (Incremental_inputs_reader::input_file_at_offset): New function.
853         (Incremental_relocs_reader::get_r_type): Reformat.
854         (Incremental_relocs_reader::get_r_shndx): Reformat.
855         (Incremental_relocs_reader::get_r_offset): Reformat.
856         (Incremental_relocs_reader::data): New function.
857         (Incremental_binary::Incremental_binary): Initialize new data members.
858         (Incremental_binary::check_inputs): Add cmdline parameter.
859         (Incremental_binary::file_is_unchanged): Remove.
860         (Input_reader::arg_serial): New function.
861         (Input_reader::get_unused_symbol_count): New function.
862         (Input_reader::get_unused_symbol): New function.
863         (Input_reader::do_arg_serial): New function.
864         (Input_reader::do_get_unused_symbol_count): New function.
865         (Input_reader::do_get_unused_symbol): New function.
866         (Incremental_binary::input_file_count): New function.
867         (Incremental_binary::get_input_reader): Change signature to use
868         index instead of filename.
869         (Incremental_binary::file_has_changed): New function.
870         (Incremental_binary::get_input_argument): New function.
871         (Incremental_binary::get_library): New function.
872         (Incremental_binary::get_script_info): New function.
873         (Incremental_binary::init_layout): New function.
874         (Incremental_binary::reserve_layout): New function.
875         (Incremental_binary::output_file): New function.
876         (Incremental_binary::do_check_inputs): New function.
877         (Incremental_binary::do_file_is_unchanged): Remove.
878         (Incremental_binary::do_file_has_changed): New function.
879         (Incremental_binary::do_init_layout): New function.
880         (Incremental_binary::do_reserve_layout): New function.
881         (Incremental_binary::do_input_file_count): New function.
882         (Incremental_binary::do_get_input_reader): Change signature.
883         (Incremental_binary::input_args_map_): New data member.
884         (Incremental_binary::library_map_): New data member.
885         (Incremental_binary::script_map_): New data member.
886         (Sized_incremental_binary::Sized_incremental_binary): Initialize
887         new data members.
888         (Sized_incremental_binary::output_section): New function.
889         (Sized_incremental_binary::inputs_reader): Add const.
890         (Sized_incremental_binary::symtab_reader): Add const.
891         (Sized_incremental_binary::relocs_reader): Add const.
892         (Sized_incremental_binary::got_plt_reader): Add const.
893         (Sized_incremental_binary::get_symtab_view): New function.
894         (Sized_incremental_binary::Inputs_reader): New typedef.
895         (Sized_incremental_binary::Input_entry_reader): New typedef.
896         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
897         (Sized_incremental_binary::do_file_is_unchanged): Remove.
898         (Sized_incremental_binary::do_file_has_changed): New function.
899         (Sized_incremental_binary::do_init_layout): New function.
900         (Sized_incremental_binary::do_reserve_layout): New function.
901         (Sized_input_reader::Inputs_reader): Remove.
902         (Sized_input_reader::Input_entry_reader): Remove.
903         (Sized_input_reader::do_arg_serial): New function.
904         (Sized_input_reader::do_get_unused_symbol_count): New function.
905         (Sized_input_reader::do_get_unused_symbol): New function.
906         (Sized_incremental_binary::do_input_file_count): New function.
907         (Sized_incremental_binary::do_get_input_reader): Change signature;
908         use index instead of filename.
909         (Sized_incremental_binary::section_map_): New data member.
910         (Sized_incremental_binary::input_entry_readers_): New data member.
911         (class Sized_incr_relobj): New class.
912         (class Sized_incr_dynobj): New class.
913         (make_sized_incremental_object): New function.
914         (class Incremental_library): New class.
915         * layout.cc (Free_list::num_lists): New static data member.
916         (Free_list::num_nodes): New static data member.
917         (Free_list::num_removes): New static data member.
918         (Free_list::num_remove_visits): New static data member.
919         (Free_list::num_allocates): New static data member.
920         (Free_list::num_allocate_visits): New static data member.
921         (Free_list::init): New function.
922         (Free_list::remove): New function.
923         (Free_list::allocate): New function.
924         (Free_list::dump): New function.
925         (Free_list::print_stats): New function.
926         (Layout_task_runner::run): Resize output file for incremental updates.
927         (Layout::Layout): Initialize new data members.
928         (Layout::set_incremental_base): New function.
929         (Layout::init_fixed_output_section): New function.
930         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
931         incremental updates.
932         (Layout::create_gold_note): Do not create gold note section for
933         incremental updates.
934         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
935         for incremental updates.
936         (Layout::set_section_offsets): For incremental updates, allocate space
937         from free list.
938         (Layout::create_symtab_sections): Layout with offsets relative to
939         start of section; for incremental updates, allocate space from free
940         list.
941         (Layout::create_shdrs): For incremental updates, allocate space from
942         free list.
943         (Layout::finish_dynamic_section): For incremental updates, do not
944         check --as-needed (fixed in subsequent patch).
945         * layout.h (class Free_list): New class.
946         (Layout::set_incremental_base): New function.
947         (Layout::incremental_base): New function.
948         (Layout::init_fixed_output_section): New function.
949         (Layout::allocate): New function.
950         (Layout::incremental_base_): New data member.
951         (Layout::free_list_): New data member.
952         * main.cc (main): Print Free_list statistics.
953         * object.cc (Relobj::finalize_incremental_relocs): Add
954         clear_counts parameter; clear counts only when clear_counts is set.
955         (Sized_relobj::Sized_relobj): Initialize new base class.
956         (Sized_relobj::do_layout): Don't report special sections.
957         (Sized_relobj::do_for_all_local_got_entries): New function.
958         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
959         symtab_off to all symbol table offsets.
960         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
961         * object.h (class Got_offset_list): Move to top of file.
962         (Object::Object): Allow case where input_file == NULL.
963         (Object::~Object): Likewise.
964         (Object::input_file): Assert that input_file != NULL.
965         (Object::lock): Allow case where input_file == NULL.
966         (Object::unlock): Likewise.
967         (Object::is_locked): Likewise.
968         (Object::token): Likewise.
969         (Object::release): Likewise.
970         (Object::is_incremental): New function.
971         (Object::get_mtime): New function.
972         (Object::for_all_local_got_entries): New function.
973         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
974         (Object::set_is_in_system_directory): New function.
975         (Object::is_in_system_directory): New function.
976         (Object::do_is_incremental): New function.
977         (Object::do_get_mtime): New function.
978         (Object::do_for_all_local_got_entries): New function.
979         (Object::is_in_system_directory_): New data member.
980         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
981         (class Sized_relobj_base): New class.
982         (class Sized_relobj): Derive from Sized_relobj_base.
983         (class Sized_relobj::Symbols): Redeclare from base class.
984         (class Sized_relobj::local_got_offset_list): Remove.
985         (class Sized_relobj::Output_sections): Redeclare from base class.
986         (class Sized_relobj::do_for_all_local_got_entries): New function.
987         (class Sized_relobj::write_local_symbols): Add offset parameter.
988         (class Sized_relobj::local_symbol_offset_): Update comment.
989         (class Sized_relobj::local_dynsym_offset_): Update comment.
990         * options.cc (Input_arguments::add_file): Remove const.
991         * options.h (Input_file_argument::Input_file_argument):
992         Initialize arg_serial_ (all constructors).
993         (Input_file_argument::set_arg_serial): New function.
994         (Input_file_argument::arg_serial): New function.
995         (Input_file_argument::arg_serial_): New data member.
996         (Input_arguments::Input_arguments): Initialize file_count_.
997         (Input_arguments::add_file): Remove const.
998         (Input_arguments::number_of_input_files): New function.
999         (Input_arguments::file_count_): New data member.
1000         (Command_line::number_of_input_files): Call
1001         Input_arguments::number_of_input_files.
1002         * output.cc (Output_segment_headers::Output_segment_headers):
1003         Set current size.
1004         (Output_section::Input_section::current_data_size): New function.
1005         (Output_section::Output_section): Initialize new data members.
1006         (Output_section::add_input_section): Don't do merge sections for
1007         an incremental link; allocate space from free list for an
1008         incremental update.
1009         (Output_section::add_output_section_data): Allocate space from
1010         free list for an incremental update.
1011         (Output_section::update_data_size): New function.
1012         (Output_section::set_fixed_layout): New function.
1013         (Output_section::reserve): New function.
1014         (Output_segment::set_section_addresses): Remove const.
1015         (Output_segment::set_section_list_addresses): Remove const; allocate
1016         space from free list for an incremental update.
1017         (Output_segment::set_offset): Adjust size of RELRO segment for an
1018         incremental update.
1019         * output.h (Output_data::current_data_size): Move here from
1020         child classes.
1021         (Output_data::pre_finalize_data_size): New function.
1022         (Output_data::update_data_size): New function.
1023         (Output_section_headers::update_data_size): new function.
1024         (Output_section_data_build::current_data_size): Move to Output_data.
1025         (Output_data_strtab::update_data_size): New function.
1026         (Output_section::current_data_size): Move to Output_data.
1027         (Output_section::set_fixed_layout): New function.
1028         (Output_section::has_fixed_layout): New function.
1029         (Output_section::reserve): New function.
1030         (Output_section::update_data_size): New function.
1031         (Output_section::has_fixed_layout_): New data member.
1032         (Output_section::free_list_): New data member.
1033         (Output_segment::set_section_addresses): Remove const.
1034         (Output_segment::set_section_list_addresses): Remove const.
1035         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1036         New function.
1037         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1038         New function.
1039         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1040         parameter when calling Add_symbols constructor; store argument
1041         serial number for members of a lib group.
1042         (Add_symbols::locks): Allow case where token == NULL.
1043         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1044         (Read_member::~Read_member): New function.
1045         (Read_member::is_runnable): New function.
1046         (Read_member::locks): New function.
1047         (Read_member::run): New function.
1048         (Check_script::~Check_script): New function.
1049         (Check_script::is_runnable): New function.
1050         (Check_script::locks): New function.
1051         (Check_script::run): New function.
1052         (Check_library::~Check_library): New function.
1053         (Check_library::is_runnable): New function.
1054         (Check_library::locks): New function.
1055         (Check_library::run): New function.
1056         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1057         (Add_symbols::library_): New data member.
1058         (class Read_member): New class.
1059         (class Check_script): New class.
1060         (class Check_library): New class.
1061         * reloc.cc (Read_relocs::is_runnable): Allow case where
1062         token == NULL.
1063         (Read_relocs::locks): Likewise.
1064         (Scan_relocs::locks): Likewise.
1065         (Relocate_task::locks): Likewise.
1066         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1067         to clear counters.
1068         (Sized_relobj::incremental_relocs_scan): Fix comment.
1069         (Sized_relobj::do_relocate): Pass output file offset to
1070         write_local_symbols.
1071         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1072         from class declaration.
1073         * script.cc (read_input_script): Allocate Script_info; pass
1074         argument serial number to report_script.
1075         * script.h (class Script_info): Move to incremental.h.
1076         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1077         * symtab.h (Symbol_table::add_from_incrobj): New function.
1078         (Symbol_table::set_file_offset): New function.
1079
1080 2011-04-05  Cary Coutant  <ccoutant@google.com>
1081
1082         * incremental-dump.cc (dump_incremental_inputs): Change signature
1083         to take a Sized_incremental_binary; change caller.  Use readers
1084         in Sized_incremental_binary.
1085         * incremental.cc
1086         (Sized_incremental_binary::find_incremental_inputs_sections):
1087         Rename do_find_incremental_inputs_sections to this.
1088         (Sized_incremental_binary::setup_readers): New function.
1089         (Sized_incremental_binary::do_check_inputs): Check
1090         has_incremental_info_ flag; move setup code to setup_readers;
1091         use input readers.
1092         (Sized_incremental_binary::do_file_is_unchanged): New function.
1093         (Sized_incremental_binary::do_get_input_reader): New function.
1094         * incremental.h (class Incremental_binary): Move to end of file.
1095         (Incremental_binary::file_is_unchanged): New function.
1096         (Incremental_binary::do_file_is_unchanged): New function.
1097         (Incremental_binary::Input_reader): New class.
1098         (Incremental_binary::get_input_reader): New function.
1099         (class Sized_incremental_binary): Move to end of file.
1100         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1101         input section reader classes.
1102         (Sized_incremental_binary::has_incremental_info): New function.
1103         (Sized_incremental_binary::inputs_reader): New function.
1104         (Sized_incremental_binary::symtab_reader): New function.
1105         (Sized_incremental_binary::relocs_reader): New function.
1106         (Sized_incremental_binary::got_plt_reader): New function.
1107         (Sized_incremental_binary::do_file_is_unchanged): New function.
1108         (Sized_incremental_binary::Sized_input_reader): New class.
1109         (Sized_incremental_binary::get_input_reader): New function.
1110         (Sized_incremental_binary::find_incremental_inputs_sections):
1111         Rename do_find_incremental_inputs_sections to this.
1112         (Sized_incremental_binary::setup_readers): New function.
1113         (Sized_incremental_binary::has_incremental_info_): New data member.
1114         (Sized_incremental_binary::inputs_reader_): New data member.
1115         (Sized_incremental_binary::symtab_reader_): New data member.
1116         (Sized_incremental_binary::relocs_reader_): New data member.
1117         (Sized_incremental_binary::got_plt_reader_): New data member.
1118         (Sized_incremental_binary::current_input_file_): New data member.
1119
1120 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1121
1122         PR gold/12640
1123         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1124         violation.
1125
1126 2011-03-30  Cary Coutant  <ccoutant@google.com>
1127
1128         * archive.cc (Archive::include_member): Adjust call to report_object.
1129         (Add_archive_symbols::run): Add script_info to call to
1130         report_archive_begin.
1131         (Lib_group::include_member): Adjust call to report_object.
1132         (Add_lib_group_symbols::run): Adjust call to report_object.
1133         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1134         blocks.  Add object count for script input files.
1135         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1136         script_info parameter; change all callers.
1137         (Incremental_inputs::report_object): Add script_info parameter;
1138         change all callers.
1139         (Incremental_inputs::report_script): Store backpointer to
1140         incremental info entry.
1141         (Output_section_incremental_inputs::set_final_data_size): Record
1142         additional information for scripts.
1143         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1144         * incremental.h (Incremental_script_entry::add_object): New function.
1145         (Incremental_script_entry::get_object_count): New function.
1146         (Incremental_script_entry::get_object): New function.
1147         (Incremental_script_entry::objects_): New data member; adjust
1148         constructor.
1149         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1150         (Incremental_inputs::report_object): Add script_info parameter.
1151         (Incremental_inputs_reader::get_object_count): New function.
1152         (Incremental_inputs_reader::get_object_offset): New function.
1153         * options.cc (Input_arguments::add_file): Return reference to
1154         new input argument.
1155         * options.h (Input_argument::set_script_info): New function.
1156         (Input_argument::script_info): New function.
1157         (Input_argument::script_info_): New data member; adjust all
1158         constructors.
1159         (Input_file_group::add_file): Return reference to new input argument.
1160         (Input_file_lib::add_file): Likewise.
1161         (Input_arguments::add_file): Likewise.
1162         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1163         * script.cc (Parser_closure::Parser_closure): Add script_info
1164         parameter; adjust all callers.
1165         (Parser_closure::script_info): New function.
1166         (Parser_closure::script_info_): New data member.
1167         (read_input_script): Report scripts earlier to incremental info.
1168         (script_add_file): Set script_info in Input_argument.
1169         (script_add_library): Likewise.
1170         * script.h (Script_options::Script_info): Rewrite class.
1171
1172 2011-03-29  Cary Coutant  <ccoutant@google.com>
1173
1174         * archive.cc (Library_base::should_include_member): Move
1175         method here from class Archive.
1176         (Archive::Archive): Initialize base class.
1177         (Archive::should_include_member): Move to base class.
1178         (Archive::do_for_all_unused_symbols): New function.
1179         (Add_archive_symbols::run): Remove redundant access to
1180         incremental_inputs.
1181         (Lib_group::Lib_group): Initialize base class.
1182         (Lib_group::do_filename): New function.
1183         (Lib_group::include_member): Pass pointer to Lib_group to
1184         report_object.
1185         (Lib_group::do_for_all_unused_symbols): New function.
1186         (Add_lib_group_symbols::run): Report archive information for
1187         incremental links.
1188         * archive.h (class Library_base): New base class.
1189         (class Archive): Derive from Library_base.
1190         (Archive::filename): Move to base class.
1191         (Archive::set_incremental_info): Likewise.
1192         (Archive::incremental_info): Likewise.
1193         (Archive::Should_include): Likewise.
1194         (Archive::should_include_member): Likewise.
1195         (Archive::Armap_entry): Remove.
1196         (Archive::Unused_symbol_iterator): Remove.
1197         (Archive::unused_symbols_begin): Remove.
1198         (Archive::unused_symbols_end): Remove.
1199         (Archive::do_filename): New function.
1200         (Archive::do_get_mtime): New function.
1201         (Archive::do_for_all_unused_symbols): New function.
1202         (Archive::task_): Move to base class.
1203         (Archive::incremental_info_): Likewise.
1204         (class Lib_group): Derive from Library_base.
1205         (Lib_group::do_filename): New function.
1206         (Lib_group::do_get_mtime): New function.
1207         (Lib_group::do_for_all_unused_symbols): New function.
1208         (Lib_group::task_): Move to base class.
1209         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1210         function.
1211         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1212         function.
1213         * incremental.cc (Incremental_inputs::report_archive_begin):
1214         Use Library_base; call library's get_mtime; add incremental inputs
1215         entry before members.
1216         (class Unused_symbol_visitor): New class.
1217         (Incremental_inputs::report_archive_end): Use Library_base; use
1218         visitor class to record unused symbols; don't add incremental inputs
1219         entry after members.
1220         (Incremental_inputs::report_object): Use Library_base.
1221         * incremental.h
1222         (Incremental_archive_entry::Incremental_archive_entry): Remove
1223         unused Archive parameter.
1224         (Incremental_inputs::report_archive_begin): Use Library_base.
1225         (Incremental_inputs::report_archive_end): Likewise.
1226         (Incremental_inputs::report_object): Likewise.
1227         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1228         function.
1229         * object.h (Object::for_all_global_symbols): New function.
1230         (Object::do_for_all_global_symbols): New function.
1231         (Sized_relobj::do_for_all_global_symbols): New function.
1232         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1233         function.
1234         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1235         function.
1236
1237 2011-03-27  Ian Lance Taylor  <iant@google.com>
1238
1239         * archive.cc (Archive::interpret_header): Return -1 if something
1240         goes wrong.  Change callers accordingly.
1241
1242 2011-03-25  Cary Coutant  <ccoutant@google.com>
1243
1244         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1245         * testsuite/Makefile.in: Regenerate.
1246
1247 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1248
1249         * plugin.cc (get_view): New.
1250         (Plugin::load): Pass get_view to the plugin.
1251         (Plugin_manager::get_view): New.
1252
1253 2011-03-21  Ian Lance Taylor  <iant@google.com>
1254
1255         * testsuite/final_layout.sh: Rewrite to not use dc.
1256         * testsuite/relro_test.sh: Fail if dc is not present.
1257
1258 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
1259
1260         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1261         Change == to -eq.
1262         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1263         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1264         Change == to -eq.
1265         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1266         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1267
1268 2011-03-14  Ian Lance Taylor  <iant@google.com>
1269
1270         * script-sections.cc (Sort_output_sections::script_compare):
1271         Rename from is_before, change return type.
1272         (Sort_output_sections::operator()): Adjust accordingly.
1273
1274 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
1275
1276         PR gold/12572
1277         * testsuite/odr_violation2.cc: Add comment to make all error line
1278         numbers double digits.
1279         * testsuite/debug_msg.sh: Adjust expected errors.
1280
1281 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
1282
1283         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1284         but mark earlier ones as non-canonical
1285         (offset_to_iterator): Update search target and example
1286         (do_addr2line): Return extra lines in a vector*
1287         (format_file_lineno): Extract from do_addr2line
1288         (one_addr2line): Add vector* out-param
1289         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1290         when a lineno entry appeared last for its instruction
1291         (Dwarf_line_info): Add vector* out-param
1292         * object.cc (Relocate_info): Pass NULL for the vector* out-param
1293         * symtab.cc (Odr_violation_compare): Include the lineno in the
1294         comparison again.
1295         (linenos_from_loc): New. Combine the canonical line for an
1296         address with its other lines.
1297         (True_if_intersect): New. Helper functor to make
1298         std::set_intersection a query.
1299         (detect_odr_violations): Compare sets of lines instead of just
1300         one line for each function. This became less deterministic, but
1301         has fewer false positives.
1302         * symtab.h: Declarations.
1303         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1304         mix an optimized and non-optimized object in the same binary
1305         (odr_violation2.so): Same.
1306         * testsuite/Makefile.in: Regenerate from Makefile.am.
1307         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1308         * testsuite/debug_msg.sh: Update line numbers and add
1309         assertions.
1310         * testsuite/odr_violation1.cc: Use OdrDerived, in a
1311         non-optimized context.
1312         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1313         isn't inlined, and use OdrDerived in an optimized context.
1314         * testsuite/odr_header1.h: Defines OdrDerived, where
1315         optimization will change the
1316         first-instruction-in-the-destructor's file and line number.
1317         * testsuite/odr_header2.h: Defines OdrBase.
1318
1319 2011-03-09  Ian Lance Taylor  <iant@google.com>
1320
1321         * fileread.cc (File_read::clear_views): Don't delete the whole
1322         file view.
1323
1324 2011-03-08  Ian Lance Taylor  <iant@google.com>
1325
1326         PR gold/12525
1327         * fileread.cc: #include <climits>.
1328         (GOLD_IOV_MAX): Define.
1329         (File_read::read_multiple): Limit number of entries by iov_max.
1330         * fileread.h (class File_read): Always set max_readv_entries to
1331         128.
1332
1333 2011-03-07  Ian Lance Taylor  <iant@google.com>
1334
1335         PR gold/12525
1336         * options.h (class General_options): Add -dy and -dn.
1337
1338 2011-03-02  Cary Coutant  <ccoutant@google.com>
1339
1340         * testsuite/script_test_9.t: Add TLS segment.
1341
1342 2011-03-02  Simon Baldwin  <simonb@google.com>
1343
1344         * configure.ac: Add check for gnu_indirect_function support in
1345         the toolchain building binutils.
1346         * configure: Rebuild.
1347
1348 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
1349
1350         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1351         plugin only symbols.
1352         (Symbol_table::sized_finalize_symbol) Mark symbol only present
1353         in plugin files as not needed in the symbol table.
1354
1355 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
1356
1357         * output.cc (Output_section::add_input_section): Delay fill
1358         generation for section ordering.
1359
1360 2011-02-09  Ian Lance Taylor  <iant@google.com>
1361
1362         PR gold/12316
1363         * object.h (class Sized_relobj): Remove clear_local_symbols.
1364         * reloc.cc (Sized_relobj::do_relocate): Don't call
1365         clear_local_symbols.
1366
1367 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
1368
1369         * plugin.cc (is_visible_from_outside): Return true for symbols
1370         in the -u option.
1371
1372 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
1373
1374         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1375         filename.
1376
1377 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
1378
1379         * icf.h (is_section_foldable_candidate): Change type of parameter
1380         to std::string.
1381         * icf.cc (Icf::find_identical_sections): Change type of local variable
1382         section_name to be std::string.
1383         (is_function_ctor_or_dtor): Change type of parameter to std::string.
1384
1385 2011-01-25  Ian Lance Taylor  <iant@google.com>
1386
1387         * script.cc (script_add_extern): Rewrite to use
1388         add_symbol_reference.
1389
1390 2011-01-25  Doug Kwan  <dougkwan@google.com>
1391
1392         * icf.cc (get_section_contents): Always lock section's object.
1393
1394 2011-01-24  Ian Lance Taylor  <iant@google.com>
1395
1396         * options.h (class General_options): Accept
1397         --no-detect-odr-violations.
1398
1399 2011-01-24  Ian Lance Taylor  <iant@google.com>
1400
1401         * version.cc (version_string): Bump to 1.11.
1402
1403 2011-01-24  Ian Lance Taylor  <iant@google.com>
1404
1405         * plugin.cc (class Plugin_rescan): Define new class.
1406         (Plugin_manager::claim_file): Set any_claimed_.
1407         (Plugin_manager::save_archive): New function.
1408         (Plugin_manager::save_input_group): New function.
1409         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1410         necessary.
1411         (Plugin_manager::new_undefined_symbol): New function.
1412         (Plugin_manager::rescan): New function.
1413         (Plugin_manager::rescannable_defines): New function.
1414         (Plugin_manager::add_input_file): Set any_added_.
1415         * plugin.h (class Plugin_manager): define new fields rescannable_,
1416         undefined_symbols_, any_claimed_, and any_added_.  Declare
1417         Plugin_rescan as friend.  Declare new functions.
1418         (Plugin_manager::Rescannable): Define type.
1419         (Plugin_manager::Rescannable_list): Define type.
1420         (Plugin_manager::Undefined_symbol_list): Define type.
1421         (Plugin_manager::Plugin_manager): Initialize new fields.
1422         * archive.cc (Archive::defines_symbol): New function.
1423         (Add_archive_symbols::run): Pass archive to plugins if any.
1424         * archive.h (class Archive): Declare defines_symbol.
1425         * readsyms.cc (Input_group::~Input_group): New function.
1426         (Finish_group::run): Pass input_group to plugins if any.
1427         * readsyms.h (class Input_group): Declare destructor.
1428         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1429         any.
1430
1431 2011-01-10  Ian Lance Taylor  <iant@google.com>
1432
1433         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1434         section as relro.
1435         (Layout::set_segment_offsets): Reset increase_relro before calling
1436         set_section_addresses a second time.
1437
1438 2011-01-04  Cary Coutant  <ccoutant@google.com>
1439
1440         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1441         sections before NOBITS sections.
1442
1443 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
1444
1445         * version.cc (print_version): Update copyright to 2011.
1446
1447 2010-12-23  Cary Coutant  <ccoutant@google.com>
1448
1449         * output.h (Output_data_reloc::add_output_section): Pass OD instead
1450         of OS to this->add.  Add OD parameter to second form of the function.
1451
1452 2010-12-20  Ian Lance Taylor  <iant@google.com>
1453
1454         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1455         second of two consecutive entries with same offset.
1456
1457 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1458
1459         * testsuite/Makefile.am (ifuncmain2static_LDADD)
1460         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1461         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1462         to avoid unneeded links against $(LDADD).
1463         * testsuite/Makefile.in: Regenerate.
1464
1465 2010-12-15  Ian Lance Taylor  <iant@google.com>
1466
1467         PR gold/12324
1468         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1469         for R_X86_64_32 and R_X86_64_PC32.
1470         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1471         ver_matching_def_pic.o.
1472         (ver_matching_def_pic.o): New target.
1473
1474 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1475
1476         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
1477         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
1478         Move definition before File_read::View member definitions.
1479         (File_read::View::~View): Initialize and hold lock before
1480         updating current_mapped_bytes.
1481
1482 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1483
1484         * dwarf_reader.cc: Remove outdated comment.
1485         * gold-threads.cc: Fix typo in error message.
1486         * archive.cc: Fix typos in comments.
1487         * archive.h: Likewise.
1488         * arm-reloc-property.cc: Likewise.
1489         * arm-reloc-property.h: Likewise.
1490         * arm-reloc.def: Likewise.
1491         * arm.cc: Likewise.
1492         * attributes.h: Likewise.
1493         * cref.cc: Likewise.
1494         * ehframe.cc: Likewise.
1495         * fileread.h: Likewise.
1496         * gold.h: Likewise.
1497         * i386.cc: Likewise.
1498         * icf.cc: Likewise.
1499         * incremental.h: Likewise.
1500         * int_encoding.cc: Likewise.
1501         * layout.h: Likewise.
1502         * main.cc: Likewise.
1503         * merge.h: Likewise.
1504         * object.cc: Likewise.
1505         * object.h: Likewise.
1506         * options.cc: Likewise.
1507         * readsyms.cc: Likewise.
1508         * reduced_debug_output.cc: Likewise.
1509         * reloc.cc: Likewise.
1510         * script-sections.cc: Likewise.
1511         * sparc.cc: Likewise.
1512         * symtab.h: Likewise.
1513         * target-reloc.h: Likewise.
1514         * target.cc: Likewise.
1515         * target.h: Likewise.
1516         * timer.cc: Likewise.
1517         * timer.h: Likewise.
1518         * x86_64.cc: Likewise.
1519
1520 2010-12-09  Cary Coutant  <ccoutant@google.com>
1521
1522         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
1523         stack.
1524         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
1525         parameter; change all callers.
1526         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
1527         * options.h (warn_execstack): New option.
1528
1529 2010-12-07  Doug Kwan  <dougkwan@google.com>
1530
1531         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
1532         like function call relocations.
1533
1534 2010-12-07  Ian Lance Taylor  <iant@google.com>
1535
1536         * archive.cc (Archive::get_elf_object_for_member): Permit
1537         punconfigured to be NULL.
1538         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
1539         (Archive::include_member): Pass NULL to get_elf_object_for_member
1540         if we searched for the archive and this is the first included
1541         object.
1542
1543 2010-12-01  Ian Lance Taylor  <iant@google.com>
1544
1545         * dwarf_reader.h (class Sized_dwarf_line_info): Add
1546         track_relocs_type_ field.
1547         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1548         Set track_relocs_type_.
1549         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
1550         contents when using RELA relocs.
1551         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
1552         reloc_map_.
1553         * reloc.cc (Track_relocs::next_addend): New function.
1554         * reloc.h (class Track_relocs): Declare next_addend.
1555
1556 2010-12-01  Ian Lance Taylor  <iant@google.com>
1557
1558         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
1559         virtual destructor.
1560
1561 2010-12-01  Ian Lance Taylor  <iant@google.com>
1562
1563         * README: Update compilers known to work and fail.
1564
1565 2010-11-23  Matthias Klose  <doko@ubuntu.com>
1566
1567         * configure.in: For --enable-gold, handle value `default' instead of
1568         `both*'.  Always install ld as ld.bfd, install as ld if gold is
1569         not the default.
1570         * configure: Regenerate.
1571
1572 2010-11-18  Doug Kwan  <dougkwan@google.com>
1573
1574         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
1575         and right_alignment to be zero.  Store result alignment only if it is
1576         greater than existing alignment.
1577
1578 2010-11-16  Cary Coutant  <ccoutant@google.com>
1579
1580         PR gold/12220
1581         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1582         Check for ".zdebug_line".
1583
1584 2010-11-16  Doug Kwan  <dougkwan@google.com>
1585             Cary Coutant  <ccoutant@google.com>
1586
1587         * output.h (Output_segment::set_section_addresses): Pass increase_relro
1588         by reference; adjust all callers.
1589         * output.cc (Output_segment::set_section_addresses): Adjust references
1590         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
1591         list is empty.
1592         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
1593         end at page boundary.
1594
1595 2010-11-16  Cary Coutant  <ccoutant@google.com>
1596
1597         PR gold/12220
1598         * layout.cc (Layout::choose_output_section): Transform names of
1599         compressed sections even when using a script with a SECTIONS clause.
1600         (Layout::output_section_name): Remove code to transform
1601         compressed debug section names.
1602         * output.cc (Output_section::add_input_section): Use uncompressed
1603         section size when tracking input sections.
1604
1605 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
1606
1607         * symtab.h (Symbol::NON_PIC_REF): Remove.
1608         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
1609         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
1610         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
1611         (Symbol::use_plt_offset): Take a flags argument and pass it
1612         directly to needs_dynamic_reloc.  Restrict check for undefined
1613         weak symbols to function calls.
1614         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
1615         (Target_arm::Scan::global): Use it.
1616         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
1617         (Target_arm::Relocate::relocate): Likewise.
1618         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
1619         parameter with an r_type parameter.  Use get_reference_flags
1620         to get the flags.
1621         (Target_arm::Relocate::relocate): Update accordingly.
1622         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
1623         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
1624         (Target_i386::Scan::global): Likewise.
1625         (Target_i386::Relocate::relocate): Likewise.
1626         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
1627         parameter with an r_type parameter.  Use get_reference_flags
1628         to get the flags.
1629         (Target_i386::Relocate::relocate): Update accordingly.
1630         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
1631         (Target_powerpc::Scan::global): Use it.
1632         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
1633         (Target_powerpc::Relocate::relocate): Likewise.
1634         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1635         (Target_sparc::Scan::global): Use it.
1636         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1637         (Target_sparc::Relocate::relocate): Likewise.
1638         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1639         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1640         (Target_x86_64::Scan::global): Likewise.
1641         (Target_x86_64::Relocate::relocate): Likewise.
1642
1643 2010-11-08  Doug Kwan  <dougkwan@google.com>
1644             Cary Coutant  <ccoutant@google.com>
1645
1646         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1647         (Arm_exidx_merge_section::section_contents_): New data member.
1648         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1649         (Arm_input_section::~Arm_input_section): De-allocate memory.
1650         (Arm_input_section::original_contents_): New data member.       
1651         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1652         in parameters instead of calling Object::section_contents without
1653         locking.
1654         (Arm_output_section::group_section): New parameter TASK.  Pass it
1655         to callees that need locking objects.
1656         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1657         to lock EXIDX input sections.  Fix a formatting issue.  Call
1658         Arm_exidx_merged_section::build_contents to create merged section
1659         contents.
1660         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1661         to lock object of stub table owner.
1662         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1663         TEXT_SIZE to initialize data member TEXT_SIZE_.
1664         (Arm_exidx_input_section::addralign): Fix typo in comment.
1665         (Arm_exidx_input_section::text_size): New method.
1666         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1667         that require locking objects.  Lock objects before scanning for stubs
1668         and updating local symbols.
1669         (Arm_input_section<big_endian>::init): Copy contents of original
1670         input section.
1671         (Arm_input_section<big_endian>::do_write): Use saved contents of
1672         original input section instead of calling Object::section_contents
1673         without locking.
1674         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1675         size without calling Object::section_size().
1676         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1677         for size.  Allocate a buffer for merged EXIDX entries.
1678         (Arm_exidx_merged_section::build_contents): New method.
1679         (Arm_exidx_merged_section::do_write): Move merge section contents
1680         building code to Arm_exidx_merged_section::build_contetns.  Write
1681         out contetns in buffer instead of building it on the fly.
1682         (Arm_relobj::make_exidx_input_section): Also pass text section size
1683         to Arm_exidx_input_section constructor.
1684         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1685         (Arm_dynobj::do_read_symbols): Fix memory leak.
1686         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1687         * target.h: (class Task): Add forward declaration.
1688         (Target::relax): Add new parameter TASK and pass it to
1689         Target::do_relax().
1690         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1691
1692 2010-11-05  Cary Coutant  <ccoutant@google.com>
1693
1694         PR gold/10708
1695         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1696         object when reading from the file.
1697         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1698         second layout pass.
1699         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1700         when reading section contents.
1701         (get_section_contents): Likewise.
1702         (icf::find_identical_sections): Likewise.
1703         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1704         object when reading from the file.
1705         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1706         the object when doing deferred section layout.
1707
1708 2010-11-03  Nick Clifton  <nickc@redhat.com>
1709
1710         PR gold/12001
1711         * script.h (class Symbol_assignment: name): New member.  Returns
1712         the name of the symbol.
1713         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1714         Returns true if the given symbol name is on the list of
1715         assignments wating to be processed.
1716         * archive.cc (should_incldue_member): If the symbol is undefined,
1717         check to see if it is on the list of symbols pending assignment.
1718
1719 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1720
1721         * script-sections.cc (Script_sections::find_memory_region): Check
1722         for a NULL output section pointer.
1723
1724 2010-10-29  Doug Kwan  <dougkwan@google.com>
1725
1726         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1727         Output_section::add_relaxed_input_section.
1728         * output.cc (Output_section::add_relaxed_input_section): Add new
1729         arguments LAYOUT and NAME.  Set section order index.
1730         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1731         Copy section order index.
1732         * output.h (Output_section::add_relaxed_input_section): Add new
1733         arguments LAYOUT and NAME.
1734
1735 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1736
1737         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1738         NATIVE_OR_CROSS_LINKER.
1739         * testsuite/Makefile.in: Regenerate.
1740
1741 2010-10-20  Doug Kwan  <dougkwan@google.com>
1742
1743         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1744         without SHF_LINK_ORDER flags.
1745         * layout.cc (Layout::choose_output_section): Do not filter
1746         SHF_LINK_ORDER flag in a relocatable link.
1747
1748 2010-10-17  Cary Coutant  <ccoutant@google.com>
1749
1750         * output.h (Output_segment::set_section_addresses): Change function
1751         signature.  Update all callers.
1752         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1753         sections.
1754         (Output_segment::set_section_addresses): Align after last TLS
1755         section.  Add padding before last relro section instead of after.
1756
1757 2010-10-17  Doug Kwan  <dougkwan@google.com>
1758
1759         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1760         GOT output section to be writable.
1761
1762 2010-10-14  Cary Coutant  <ccoutant@google.com>
1763
1764         * debug.h (DEBUG_INCREMENTAL): New flag.
1765         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1766         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1767         mode.
1768         * incremental.cc (report_command_line): Ignore all forms of
1769         --incremental.
1770         * layout.cc (Layout::Layout): Check parameters for incremental link
1771         mode.
1772         * options.cc (General_options::parse_incremental): New function.
1773         (General_options::parse_no_incremental): New function.
1774         (General_options::parse_incremental_full): New function.
1775         (General_options::parse_incremental_update): New function.
1776         (General_options::incremental_mode_): New data member.
1777         (General_options::finalize): Check incremental_mode_.
1778         * options.h (General_options): Update help text for --incremental.
1779         Add --no-incremental, --incremental-full, --incremental-update.
1780         (General_options::Incremental_mode): New enum type.
1781         (General_options::incremental_mode): New function.
1782         (General_options::incremental_mode_): New data member.
1783         * parameters.cc (Parameters::incremental_mode_): New data member.
1784         (Parameters::set_options): Set incremental_mode_.
1785         (Parameters::set_incremental_full): New function.
1786         (Parameters::incremental): New function.
1787         (Parameters::incremental_update): New function.
1788         (set_parameters_incremental_full): New function.
1789         * parameters.h (Parameters::set_incremental_full): New function.
1790         (Parameters::incremental): New function.
1791         (Parameters::incremental_update): New function.
1792         (Parameters::incremental_mode_): New data member.
1793         (set_parameters_incremental_full): New function.
1794         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1795         incremental link mode.
1796         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1797         (Sized_relobj::do_relocate_sections): Likewise.
1798         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1799         option.
1800         * testsuite/Makefile.in: Regenerate.
1801         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1802
1803 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1804
1805         * script-sections.h (class Script_sections): Make
1806         Sections_elements typedef public.
1807         * script-sections.cc (class Sort_output_sections): Add elements_
1808         field.  Add constructor which sets it; change all callers.
1809         (Sort_output_sections::is_before): New function.
1810         (Sort_output_sections::operator()): Call is_before.
1811         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1812         conditional.
1813         * testsuite/script_test_10.sh: New test. Test script section
1814         order.
1815         * testsuite/script_test_10.t: Likewise.
1816         * testsuite/script_test_10.s: Likewise.
1817         * testsuite/Makefile.am: Wrap the cross linker tests and the
1818         common tests into NATIVE_OR_CROSS_LINKER.
1819         (check_SCRIPTS): Add script_test_10.sh.
1820         (check_DATA): Add script_test_10.stdout.
1821         (script_test_10.o, script_test_10): New targets.
1822         (script_test_10.stdout): New target.
1823         * configure, testsuite/Makefile.in: Regenerate.
1824
1825 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1826
1827         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1828         error for the deprecated relocations.
1829         (Target_arm::Scan::global): Likewise.
1830         (Target_arm::Relocate::relocate): Likewise.
1831
1832 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1833
1834         * fileread.cc (Input_file::find_file): Initialize *found_name
1835         and *namep when using the fallback search for case 4.
1836
1837 2010-10-11  Cary Coutant  <ccoutant@google.com>
1838
1839         * options.h (class General_options): Redefine -z lazy as an alias for
1840         the negation of -z now.
1841
1842 2010-10-11  Ian Lance Taylor  <iant@google.com>
1843
1844         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1845         binding.
1846
1847 2010-10-06  Nick Clifton  <nickc@redhat.com>
1848
1849         * script-sections.cc(class Memory_region): Remove
1850         current_lma_offset_ field.  Rename current_vma_offset_ to
1851         current_offset_.  Add last_section_ field.
1852         (Memory_region::get_current_vma_address): Rename to
1853         get_current_address.
1854         (Memory_region::get_current_lma_address): Delete.
1855         (Memory_region::increment_vma_offset): Rename to
1856         increment_offset.
1857         (Memory_region::increment_lma_offset): Delete.
1858         (Memory_region::attributes_compatible): New method.  Returns
1859         true if the provided section is compatible with the region.
1860         (Memory_region::get_last_section): New method.  Returns the last
1861         section to use the region.
1862         (Memory_region::set_last_section): New method.  Stores the last
1863         section to use the region.
1864         (Script_sections::block_in_region): New method.  Returns true if
1865         a block of memory is contained within a region.
1866         (Script_sections::find_memory_region): New method.  Locates a
1867         memory region to be used to set a VMA or LMA address.
1868         (Output_section_definition::set_section_addresses): Add code to
1869         check for addresses set by memory regions.
1870         (Output_segment::set_section_addresses): Remove memory region
1871         walking code.
1872         (Script_sections::create_segment): Add a warning if a header
1873         segment is created outside of any region.
1874         * script-sections.h (class Script_sections): Add prototypes for
1875         find_memory_region and block_in_region methods.
1876         * testsuite/memory_test.s: Use .long instead of .word.
1877         * testsuite/memory_test.t: Add some more output sections.
1878         * testsuite/memory_test.sh: Update expected output.
1879
1880 2010-10-02  Doug Kwan  <dougkwan@google.com>
1881
1882         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1883         defintion to symtab.h
1884         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1885         declaration to defintion.
1886
1887 2010-10-01  Nick Clifton  <nickc@redhat.com>
1888
1889         * expression.cc (eval): Replace dummy argument with NULL.
1890         (eval_maybe_dot): Check for a NULL result section pointer.
1891         (Symbol_expression::value): Likewise.
1892         (Dot_expression::value): Likewise.
1893         (BINARY_EXPRESSION): Likewise.
1894         (Max_expression::value): Likewise.
1895         (Min_expression::value): Likewise.
1896         (Absolute_expression::value): Likewise.
1897         (Addr_expression::value_from_output_section): Likewise.
1898         (Loaddddr_expression::value_from_output_section): Likewise.
1899         (Segment_start_expression::value): Likewise.
1900         * script-sections.cc
1901         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1902         argument with NULL.
1903         (Sections_elememt_dot_assignment::set_section_addresses):
1904         Likewise.
1905         (Output_data_expression::do_write_to_buffer): Likewise.
1906         (Output_section_definition::finalize_symbols): Likewise.
1907         (Output_section_definition::set_section_addresses): Likewise.
1908
1909 2010-09-30  Doug Kwan  <dougkwan@google.com>
1910
1911         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1912
1913 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1914
1915         * target.h (Target::can_icf_inline_merge_sections): New virtual
1916         function.
1917         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1918         virtual function.
1919         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1920         virtual function.
1921         * icf.cc (get_section_contents): Inline merge sections only when
1922         target allows it.
1923
1924 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1925
1926         * configure: Regenerate.
1927
1928 2010-09-17  Ian Lance Taylor  <iant@google.com>
1929
1930         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1931         * testsuite/Makefile.am (memory_test.o): New target.
1932         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1933         memory_test.t.
1934         * testsuite/Makefile.in: Rebuild.
1935
1936 2010-09-17  Doug Kwan  <dougkwan@google.com>
1937
1938         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1939         defintion if relocation uses GOT entries of the symbol.
1940         * testsuite/icf_safe_test.sh: Fix test.
1941         * testsuite/icf_safe_so_test.sh: Fix test.
1942
1943 2010-09-16  Cary Coutant  <ccoutant@google.com>
1944
1945         * script_sections.cc (class Memory_region): Remove "NULL" from
1946         vector initializations.
1947
1948 2010-09-15  Cary Coutant  <ccoutant@google.com>
1949
1950         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1951         Resolve forwarding symbols.
1952
1953 2010-09-15  Doug Kwan  <dougkwan@google.com>
1954
1955         * gold/testsuite/script_test_3.t: Add ARM special sections.
1956         * gold/testsuite/script_test_4.t: Same.
1957         * gold/testsuite/script_test_5.t: Same.
1958         * gold/testsuite/script_test_6.t: Same.
1959         * gold/testsuite/script_test_7.t: Same.
1960         * gold/testsuite/script_test_7.t: Same.
1961         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1962
1963 2010-09-14  Cary Coutant  <ccoutant@google.com>
1964
1965         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1966         (Target_x86_64::Relocate::relocate_tls): Replace check for
1967         saw_tls_block_reloc_ with test for executable section.
1968
1969 2010-09-12  Cary Coutant  <ccoutant@google.com>
1970
1971         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1972         position-independent executables to shared libraries need dynamic
1973         relocations.
1974         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1975         position-independent executables.
1976         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1977         * testsuite/Makefile.in: Regenerate.
1978
1979 2010-09-10  Nick Clifton  <nickc@redhat.com>
1980
1981         PR gold/11997
1982         * testsuite/memory_test.t: Discard any sections that are not
1983         needed.
1984
1985 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1986
1987         PR gold/11996
1988         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1989         "This::" to work around a bug in gcc 4.2.
1990
1991         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1992
1993 2010-09-09  Rafael Espindola  <espindola@google.com>
1994
1995         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1996         sections with different PF_X flags in the same segment.
1997         (Layout::find_first_load_seg): Search all segments to find the first
1998         one.
1999         * options.h (rosegment): New.
2000
2001 2010-09-08  Rafael Espindola  <espindola@google.com>
2002
2003         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2004
2005 2010-09-08  Doug Kwan  <dougkwan@google.com>
2006
2007         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2008         (Arm_relobj::do_relocate_sections): Add new parameter for output
2009         file to match the parent.
2010         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2011         of local symbols instead of input values.  Update code to track
2012         changes in gold::relocate_section.
2013         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2014         (Sized_relobj::compute_final_local_value_internal): New methods.
2015         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2016         body into private version of Sized_relobj::compute_final_local_value.
2017         Call the inline method.
2018         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2019         merged symbol value if there is one.
2020         (Symbol_value::has_output_value): New method defintiion.
2021         (Sized_relobj::Compute_final_local_value_status): New enum type.
2022         (Sized_relobj::compute_final_local_value): New methods.
2023         (Sized_relobj::compute_final_local_value_internal): New methods.
2024         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2025         and arm_cortex_a8.sh.
2026         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2027         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2028         New tests.
2029         * Makefile.in: Regenerate.
2030         * testsuite/arm_bl_out_of_range.s: Update test.
2031         * testsuite/thumb_bl_out_of_range.s: Ditto.
2032         * testsuite/thumb_blx_out_of_range.s: Ditto.
2033         * testsuite/arm_branch_out_of_range.sh: New file.
2034         * testsuite/arm_cortex_a8.sh: Ditto.
2035         * testsuite/arm_cortex_a8_b.s: Ditto.
2036         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2037         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2038         * testsuite/arm_cortex_a8_bl.s: Ditto.
2039         * testsuite/arm_cortex_a8_blx.s: Ditto.
2040         * testsuite/arm_cortex_a8_local.s: Ditto.
2041         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2042         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2043
2044 2010-09-08  Rafael Espindola  <espindola@google.com>
2045
2046         * Makefile.am (memory_test.stdout): Run readelf with -W.
2047         * Makefile.in: Regenerate.
2048         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2049         64 bit output.
2050
2051 2010-09-08  Rafael Espindola  <espindola@google.com>
2052
2053         * script-sections.cc (Script_sections::add_memory_region): Convert
2054         field precision to int.
2055         * script.cc (script_set_section_region, script_set_section_region):
2056         Convert field precision to int.
2057
2058 2010-09-08  Rafael Espindola  <espindola@google.com>
2059
2060         * arm.cc (do_finalize_sections): Create the __exidx_start and
2061         __exdix_end symbols even when the section is missing.
2062
2063 2010-09-08  Nick Clifton  <nickc@redhat.com>
2064
2065         * README: Remove claim that MEMORY is not supported.
2066         * expression.cc (script_exp_function_origin)
2067         (script_exp_function_length): Move from here to ...
2068         * script.cc: ... here.
2069         (script_set_section_region, script_add_memory)
2070         (script_parse_memory_attr, script_include_directive): New
2071         functions.
2072         * script-sections.cc
2073         (class Memory_region): New class.
2074         (class Output_section_definition): Add set_memory_region,
2075         set_section_vma, set_section_lma and get_section_name methods.
2076         (class Script_Sections): Add add_memory_region,
2077         find_memory_region, find_memory_region_origin,
2078         find_memory_region_length and set_memory_region methods.
2079         Have set_section_addresses method walk the list of set memory
2080         regions.
2081         Extend the print methos to display memory regions.
2082         * script-sections.h: Add prototypes for new methods.
2083         Add enum for MEMORY region attributes.
2084         * yyscript.y: Add support for parsing MEMORY regions.
2085         * script-c.h: Add prototypes for new functions.
2086         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2087         * testsuite/Makefile.in: Regenerate.
2088         * testsuite/memory_test.sh: New script.
2089         * testsuite/memory_test.s: New assembler source file.
2090         * testsuite/memory_test.t: New linker script.
2091
2092 2010-08-27  Doug Kwan  <dougkwan@google.com>
2093
2094         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2095         reference override an existing dynamic weak reference.
2096         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2097         * testsuite/Makefile.in: Regenerate.
2098         * testsuite/dyn_weak_ref.sh: New file.
2099         * testsuite/dyn_weak_ref_1.c: Ditto.
2100         * testsuite/dyn_weak_ref_2.c: Ditto.
2101
2102 2010-08-27  Ian Lance Taylor  <iant@google.com>
2103
2104         * incremental.h (class Incremental_input_entry): Add virtual
2105         destructor.
2106
2107 2010-08-27  Ian Lance Taylor  <iant@google.com>
2108
2109         * testsuite/start_lib_test_3.c: Mark t3 as used.
2110
2111 2010-08-27  Nick Clifton  <nickc@redhat.com>
2112
2113         * options.cc (version_script): Fix small typo in previous
2114         whitespace tidyup.
2115
2116 2010-08-25  Nick Clifton  <nickc@redhat.com>
2117
2118         * archive.cc: Formatting fixes: Remove whitespace between
2119         typename and following asterisk.  Remove whitespace between
2120         function name and opening parenthesis.
2121         * archive.h: Likewise.
2122         * arm.cc: Likewise.
2123         * attributes.cc: Likewise.
2124         * attributes.h: Likewise.
2125         * common.cc: Likewise.
2126         * copy-relocs.cc: Likewise.
2127         * dirsearch.h: Likewise.
2128         * dynobj.cc: Likewise.
2129         * ehframe.cc: Likewise.
2130         * ehframe.h: Likewise.
2131         * expression.cc: Likewise.
2132         * fileread.cc: Likewise.
2133         * fileread.h: Likewise.
2134         * gc.h: Likewise.
2135         * gold-threads.cc: Likewise.
2136         * gold.cc: Likewise.
2137         * i386.cc: Likewise.
2138         * icf.h: Likewise.
2139         * incremental-dump.cc: Likewise.
2140         * incremental.cc: Likewise.
2141         * layout.cc: Likewise.
2142         * layout.h: Likewise.
2143         * main.cc: Likewise.
2144         * merge.cc: Likewise.
2145         * merge.h: Likewise.
2146         * object.cc: Likewise.
2147         * object.h: Likewise.
2148         * options.cc: Likewise.
2149         * options.h: Likewise.
2150         * output.cc: Likewise.
2151         * output.h: Likewise.
2152         * plugin.cc: Likewise.
2153         * plugin.h: Likewise.
2154         * powerpc.cc: Likewise.
2155         * reloc.cc: Likewise.
2156         * script-c.h: Likewise.
2157         * script-sections.cc: Likewise.
2158         * script.cc: Likewise.
2159         * stringpool.cc: Likewise.
2160         * symtab.cc: Likewise.
2161         * symtab.h: Likewise.
2162         * target.cc: Likewise.
2163         * timer.cc: Likewise.
2164         * timer.h: Likewise.
2165         * version.cc: Likewise.
2166         * x86_64.cc: Likewise.
2167
2168 2010-08-24  Nick Clifton  <nickc@redhat.com>
2169
2170         PR 11899
2171         * layout.cc (segment_precedes): Sort segments by their physical
2172         addresses, if they have been set.
2173
2174 2010-08-23  Cary Coutant  <ccoutant@google.com>
2175
2176         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2177         symbols data.
2178         (Lib_group::include_member): Unlock object after deleting its
2179         symbols data.
2180         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2181         the bug fixed here.
2182
2183 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2184             Cary Coutant  <ccoutant@google.com>
2185
2186         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2187         constructor, and set_blocker.
2188         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2189         readsyms_blocker_.
2190         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2191         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2192         * testsuite/Makefile.am (start_lib_test): New test case.
2193         * testsuite/Makefile.in: Regenerate.
2194         * testsuite/start_lib_test_main.c: New file.
2195         * testsuite/start_lib_test_1.c: New file.
2196         * testsuite/start_lib_test_2.c: New file.
2197         * testsuite/start_lib_test_3.c: New file.
2198
2199 2010-08-19  Ian Lance Taylor  <iant@google.com>
2200
2201         * Makefile.in: Rebuild with automake 1.11.1.
2202         * aclocal.m4: Likewise.
2203         * testsuite/Makefile.in: Likewise.
2204
2205 2010-08-19  Ian Lance Taylor  <iant@google.com>
2206
2207         PR 10893
2208         * i386.cc (class Output_data_plt_i386): Update declarations.
2209         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2210         local_ifuncs_ fields.
2211         (Target_i386::do_plt_section_for_global): New function.
2212         (Target_i386::do_plt_section_for_local): New function.
2213         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2214         parameter; change all callers.  Initialize global_ifuncs_ and
2215         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2216         __rel_iplt_end.
2217         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2218         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2219         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2220         symbols.
2221         (Target_i386::make_plt_section): New function, broken out of
2222         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2223         (Target_i386::make_plt_entry): Call make_plt_section.
2224         (Target_i386::make_local_ifunc_plt_entry): New function.
2225         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2226         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2227         R_386_IRELATIVE to switch.
2228         (Target_i386::Scan::global): Likewise.
2229         (Target_i386::Relocate::relocate): Likewise.
2230         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2231         switch.
2232         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2233         (Target_x86_64::do_plt_section_for_global): New function.
2234         (Target_x86_64::do_plt_section_for_local): New function.
2235         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2236         parameter; change all callers.  If doing a static link define
2237         __rela_iplt_start and __rela_iplt_end.
2238         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2239         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2240         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2241         to point to .plt.
2242         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2243         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2244         switch.
2245         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2246         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2247         R_X86_64_IRELATIVE to switch.
2248         (Target_x86_64::Scan::global): Likewise.
2249         (Target_x86_64::Relocate::relocate): Likewise.
2250         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2251         switch.
2252         * target.h (class Target): Add plt_section_for_global and
2253         plt_section_for_local functions.  Add do_plt_section_for_global
2254         and do_plt_section_for_local virtual functions.
2255         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
2256         clarifying comments.
2257         (Symbol::use_plt_offset): Handle IFUNC symbol.
2258         * object.cc (Sized_relobj::Sized_relobj): Initialize
2259         local_plt_offsets_.
2260         (Sized_relobj::local_has_plt_offset): New function.
2261         (Sized_relobj::local_plt_offset): New function.
2262         (Sized_relobj::set_local_plt_offset): New function.
2263         (Sized_relobj::do_count): Handle IFUNC symbol.
2264         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
2265         a bit away from input_shndx_ field.  Add set_is_func_symbol and
2266         is_ifunc_symbol functions.
2267         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
2268         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
2269         local_plt_offsets_ field.
2270         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2271         * output.h (class Output_section_data): Add non-const
2272         output_section function.
2273         (class Output_data_got): Update declarations.
2274         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2275         Add use_plt_offset parameter to global and local constructors.
2276         Change all callers.  Change local_sym_index_ field to 31 bits.
2277         Change GSYM_CODE and CONSTANT_CODE accordingly.
2278         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2279         doing a static link don't set sh_link field.
2280         (Output_data_got::Got_entry::write): Use PLT offset if
2281         appropriate.
2282         (Output_data_got::add_global_plt): New function.
2283         (Output_data_got::add_local_plt): New function.
2284         * target-reloc.h (relocate_section): Handle IFUNC symbol.
2285         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2286         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2287         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2288         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2289         IFUNC conditional.
2290         * testsuite/ifunc-sel.h: New file.
2291         * testsuite/ifuncmain1.c: New file.
2292         * testsuite/ifuncmain1vis.c: New file.
2293         * testsuite/ifuncmod1.c: New file.
2294         * testsuite/ifuncdep2.c: New file.
2295         * testsuite/ifuncmain2.c: New file.
2296         * testsuite/ifuncmain3.c: New file.
2297         * testsuite/ifuncmod3.c: New file.
2298         * testsuite/ifuncmain4.c: New file.
2299         * testsuite/ifuncmain5.c: New file.
2300         * testsuite/ifuncmod5.c: New file.
2301         * testsuite/ifuncmain6pie.c: New file.
2302         * testsuite/ifuncmod6.c: New file.
2303         * testsuite/ifuncmain7.c: New file.
2304         * configure, testsuite/Makefile.in: Rebuild.
2305
2306 2010-08-18  Ian Lance Taylor  <iant@google.com>
2307
2308         * incremental.cc
2309         (Output_section_incremental_inputs::write_input_files): Add cast
2310         to avoid signed/unsigned comparison warning.
2311         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2312
2313 2010-08-12  Cary Coutant  <ccoutant@google.com>
2314
2315         * common.cc (Sort_commons::operator()): Remove unnecessary code.
2316
2317 2010-08-13  Ian Lance Taylor  <iant@google.com>
2318
2319         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2320
2321 2010-08-12  Cary Coutant  <ccoutant@google.com>
2322             Doug Kwan  <dougkwan@google.com>
2323
2324         * resolve.cc (Symbol_table::should_override): When a weak dynamic
2325         defintion overrides non-weak undef, remember that the original undef
2326         is not weak.
2327         * symtab.cc (Symbol_table::sized_write_global): For undef without
2328         an original weak binding, set binding to global in output.
2329         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2330         * testsuite/Makefile.in: Regenerate.
2331         * testsuite/strong_ref_weak_def.sh: New file.
2332         * testsuite/strong_ref_weak_def_1.c: Ditto.
2333         * testsuite/strong_ref_weak_def_2.c: Ditto.
2334
2335 2010-08-12  Cary Coutant  <ccoutant@google.com>
2336
2337         * testsuite/incremental_test.sh: Rewrite.
2338         * testsuite/incremental_test_1.c: Rewrite.
2339         * testsuite/incremental_test_2.c: Rewrite.
2340
2341 2010-08-12  Cary Coutant  <ccoutant@google.com>
2342
2343         * arm.cc (Target_arm::got_size): Add const.
2344         (Target_arm::got_entry_count): New function.
2345         (Target_arm::plt_entry_count): New function.
2346         (Target_arm::first_plt_entry_offset): New function.
2347         (Target_arm::plt_entry_size): New function.
2348         (Output_data_plt_arm::entry_count): New function.
2349         (Output_data_plt_arm::first_plt_entry_offset): New function.
2350         (Output_data_plt_arm::get_plt_entry_size): New function.
2351         * i386.cc (Target_i386::got_size): Add const.
2352         (Target_i386::got_entry_count): New function.
2353         (Target_i386::plt_entry_count): New function.
2354         (Target_i386::first_plt_entry_offset): New function.
2355         (Target_i386::plt_entry_size): New function.
2356         (Output_data_plt_i386::entry_count): New function.
2357         (Output_data_plt_i386::first_plt_entry_offset): New function.
2358         (Output_data_plt_i386::get_plt_entry_size): New function.
2359         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2360         find_incremental_inputs_sections.  Dump incremental_got_plt section.
2361         * incremental.cc: Include target.h.
2362         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2363         parameter.  Adjust all callers.  Find incremental_got_plt section.
2364         (Incremental_inputs::create_data_sections): Create incremental_got_plt
2365         section.
2366         (Output_section_incremental_inputs::set_final_data_size): Calculate
2367         size of incremental_got_plt section.
2368         (Output_section_incremental_inputs::do_write): Write the
2369         incremental_got_plt section.
2370         (Got_plt_view_info): New struct.
2371         (Local_got_offset_visitor): New class.
2372         (Global_got_offset_visitor): New class.
2373         (Global_symbol_visitor_got_plt): New class.
2374         (Output_section_incremental_inputs::write_got_plt): New function.
2375         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2376         Add parameter.  Adjust all callers.
2377         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2378         (Incremental_inputs::got_plt_section): New function.
2379         (Incremental_inputs::got_plt_section_): New data member.
2380         (Incremental_got_plt_reader): New class.
2381         * layout.cc (Layout::create_incremental_info_sections): Add the
2382         incremental_got_plt section.
2383         * object.h (Got_offset_list::get_list): New function.
2384         (Got offset_list::for_all_got_offsets): New function.
2385         (Sized_relobj::local_got_offset_list): New function.
2386         * powerpc.cc (Target_powerpc::got_size): Add const.
2387         (Target_powerpc::got_entry_count): New function.
2388         (Target_powerpc::plt_entry_count): New function.
2389         (Target_powerpc::first_plt_entry_offset): New function.
2390         (Target_powerpc::plt_entry_size): New function.
2391         (Output_data_plt_powerpc::entry_count): New function.
2392         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2393         (Output_data_plt_powerpc::get_plt_entry_size): New function.
2394         * sparc.cc (Target_sparc::got_size): Add const.
2395         (Target_sparc::got_entry_count): New function.
2396         (Target_sparc::plt_entry_count): New function.
2397         (Target_sparc::first_plt_entry_offset): New function.
2398         (Target_sparc::plt_entry_size): New function.
2399         (Output_data_plt_sparc::entry_count): New function.
2400         (Output_data_plt_sparc::first_plt_entry_offset): New function.
2401         (Output_data_plt_sparc::get_plt_entry_size): New function.
2402         * symtab.h (Symbol::got_offset_list): New function.
2403         (Symbol_table::for_all_symbols): New function.
2404         * target.h (Sized_target::got_entry_count): New function.
2405         (Sized_target::plt_entry_count): New function.
2406         (Sized_target::plt_entry_size): New function.
2407         * x86_64.cc (Target_x86_64::got_size): Add const.
2408         (Target_x86_64::got_entry_count): New function.
2409         (Target_x86_64::plt_entry_count): New function.
2410         (Target_x86_64::first_plt_entry_offset): New function.
2411         (Target_x86_64::plt_entry_size): New function.
2412         (Output_data_plt_x86_64::entry_count): New function.
2413         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2414         (Output_data_plt_x86_64::get_plt_entry_size): New function.
2415
2416 2010-08-12  Cary Coutant  <ccoutant@google.com>
2417
2418         * archive.cc: Include incremental.h.
2419         (Archive::Archive): Initialize incremental_info_.
2420         (Archive::include_member): Record archive members in incremental info.
2421         (Add_archive_symbols::run): Record begin and end of an archive in
2422         incremental info.
2423         (Lib_group::include_member): Record objects in incremental info.
2424         * archive.h (Incremental_archive_entry): Forward declaration.
2425         (Archive::set_incremental_info): New member function.
2426         (Archive::incremental_info): New member function.
2427         (Archive::Unused_symbol_iterator): New class.
2428         (Archive::unused_symbols_begin): New member function.
2429         (Archive::unused_symbols_end): New member function.
2430         (Archive::incremental_info_): New data member.
2431         * incremental-dump.cc (find_input_containing_global): New function.
2432         (dump_incremental_inputs): Dump new incremental info sections.
2433         * incremental.cc: Include symtab.h.
2434         (Output_section_incremental_inputs): New class.
2435         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2436         new incremental info sections.
2437         (Sized_incremental_binary::do_check_inputs): Likewise.
2438         (Incremental_inputs::report_archive): Remove.
2439         (Incremental_inputs::report_archive_begin): New function.
2440         (Incremental_inputs::report_archive_end): New function.
2441         (Incremental_inputs::report_object): New function.
2442         (Incremental_inputs::finalize_inputs): Remove.
2443         (Incremental_inputs::report_input_section): New function.
2444         (Incremental_inputs::report_script): Rewrite.
2445         (Incremental_inputs::finalize): Do nothing but finalize string table.
2446         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2447         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2448         (Incremental_inputs::create_data_sections): New function.
2449         (Incremental_inputs::relocs_entsize): New function.
2450         (Output_section_incremental_inputs::set_final_data_size): New function.
2451         (Output_section_incremental_inputs::do_write): New function.
2452         (Output_section_incremental_inputs::write_header): New function.
2453         (Output_section_incremental_inputs::write_input_files): New function.
2454         (Output_section_incremental_inputs::write_info_blocks): New function.
2455         (Output_section_incremental_inputs::write_symtab): New function.
2456         * incremental.h (Incremental_script_entry): Forward declaration.
2457         (Incremental_object_entry): Forward declaration.
2458         (Incremental_archive_entry): Forward declaration.
2459         (Incremental_inputs): Forward declaration.
2460         (Incremental_inputs_header_data): Remove.
2461         (Incremental_inputs_header): Remove.
2462         (Incremental_inputs_header_write): Remove.
2463         (Incremental_inputs_entry_data): Remove.
2464         (Incremental_inputs_entry): Remove.
2465         (Incremental_inputs_entry_write): Remove.
2466         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2467         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2468         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2469         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2470         Likewise.
2471         (Incremental_input_entry): New class.
2472         (Incremental_script_entry): New class.
2473         (Incremental_object_entry): New class.
2474         (Incremental_archive_entry): New class.
2475         (Incremental_inputs::Incremental_inputs): Initialize new data members.
2476         (Incremental_inputs::report_inputs): Remove.
2477         (Incremental_inputs::report_archive): Remove.
2478         (Incremental_inputs::report_archive_begin): New function.
2479         (Incremental_inputs::report_archive_end): New function.
2480         (Incremental_inputs::report_object): Change prototype.
2481         (Incremental_inputs::report_input_section): New function.
2482         (Incremental_inputs::report_script): Change prototype.
2483         (Incremental_inputs::get_reloc_count): New function.
2484         (Incremental_inputs::set_reloc_count): New function.
2485         (Incremental_inputs::create_data_sections): New function.
2486         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2487         (Incremental_inputs::inputs_section): New function.
2488         (Incremental_inputs::symtab_section): New function.
2489         (Incremental_inputs::relocs_section): New function.
2490         (Incremental_inputs::get_stringpool): Add const.
2491         (Incremental_inputs::command_line): Add const.
2492         (Incremental_inputs::inputs): Remove.
2493         (Incremental_inputs::command_line_key): New function.
2494         (Incremental_inputs::input_file_count): New function.
2495         (Incremental_inputs::input_files): New function.
2496         (Incremental_inputs::relocs_entsize): New function.
2497         (Incremental_inputs::sized_create_inputs_section_data): Remove.
2498         (Incremental_inputs::finalize_inputs): Remove.
2499         (Incremental_inputs::Input_info): Remove.
2500         (Incremental_inputs::lock_): Remove.
2501         (Incremental_inputs::inputs_): Change type.
2502         (Incremental_inputs::inputs_map_): Remove.
2503         (Incremental_inputs::current_object_entry_): New data member.
2504         (Incremental_inputs::inputs_section_): New data member.
2505         (Incremental_inputs::symtab_section_): New data member.
2506         (Incremental_inputs::relocs_section_): New data member.
2507         (Incremental_inputs::reloc_count_): New data member.
2508         (Incremental_inputs_reader): New class.
2509         (Incremental_symtab_reader): New class.
2510         (Incremental_relocs_reader): New class.
2511         * layout.cc (Layout::finalize): Move finalization of incremental info
2512         and creation of incremental info sections to follow finalization of
2513         symbol table.  Set offsets for postprocessing sections.
2514         (Layout::create_incremental_info_sections): Call
2515         Incremental_inputs::create_data_sections.  Add incremental symtab
2516         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
2517         sections to layout after input sections.
2518         * layout.h (struct Timespec): Forward declaration.
2519         (Layout::incremental_inputs): Add const.
2520         (Layout::create_incremental_info_sections): Add parameter.
2521         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
2522         * object.cc: Include incremental.h.
2523         (Relobj::finalize_incremental_relocs): New function.
2524         (Sized_relobj::do_layout): Record input sections in incremental info.
2525         * object.h (Object::output_section): New function.
2526         (Object::output_section_offset): Moved from Relobj.
2527         (Object::get_incremental_reloc_base): New function.
2528         (Object::get_incremental_reloc_count): New function.
2529         (Object::do_output_section): New function.
2530         (Object::do_output_section_offset): Moved from Relobj.
2531         (Object::do_get_incremental_reloc_base): New function.
2532         (Object::do_get_incremental_reloc_count): New function.
2533         (Object::Object): Initialize new data members.
2534         (Relobj::output_section): Renamed do_output_section and moved to
2535         protected.
2536         (Relobj::output_section_offset): Moved to Object.
2537         (Relobj::do_get_incremental_reloc_base): New function.
2538         (Relobj::do_get_incremental_reloc_count): New function.
2539         (Relobj::allocate_incremental_reloc_counts): New function.
2540         (Relobj::count_incremental_reloc): New function.
2541         (Relobj::finalize_incremental_relocs): New function.
2542         (Relobj::next_incremental_reloc_index): New function.
2543         (Relobj::reloc_counts_): New data member.
2544         (Relobj::reloc_bases_): New data member.
2545         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
2546         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
2547         (Sized_relobj::incremental_relocs_scan): New function.
2548         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2549         (Sized_relobj::incremental_relocs_write): New function.
2550         (Sized_relobj::incremental_relocs_write_reltype): New function.
2551         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
2552         incremental link.
2553         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
2554         archives and object files elsewhere.
2555         (Add_symbols::run): Report object files here.
2556         (Finish_group::run): Report end of archive at end of group.
2557         * reloc.cc: Include layout.h, incremental.h.
2558         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
2559         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
2560         (Sized_relobj::incremental_relocs_scan): New function.
2561         (Sized_relobj::incremental_relocs_scan_reltype): New function.
2562         (Sized_relobj::do_relocate_sections): Write incremental relocations.
2563         (Sized_relobj::incremental_relocs_write): New function.
2564         (Sized_relobj::incremental_relocs_write_reltype): New function.
2565         * script.cc (read_input_script): Rewrite test for incremental link.
2566         Change call to Incremental_inputs::report_script.
2567         * symtab.h (Symbol_table::first_global_index): New function.
2568         (Symbol_table::output_count): New function.
2569
2570 2010-08-12  Doug Kwan  <dougkwan@google.com>
2571
2572         * arm.cc (Target_arm::merge_object_attributes): Check command line
2573         options --no-wchar-size-warning and --no-enum-size-warning.
2574         * options.h (General_options): Add ld-compatible options
2575         --no-enum-size-warning and --no-wchar-size-warning.
2576
2577 2010-08-04  Ian Lance Taylor  <iant@google.com>
2578
2579         * x86_64.cc (Target_x86_64::Scan::local): Use
2580         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
2581         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
2582         (Target_x86_64::Scan::global): Likewise.
2583         (Target_x86_64::Relocate::relocate): Likewise.
2584         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
2585         Likewise.
2586
2587 2010-08-03  Cary Coutant  <ccoutant@google.com>
2588
2589         * merge.cc (Output_merge_string::do_add_input_section): Count strings
2590         to reserve space in merged_strings vector. Keep total input size
2591         for stats.
2592         (Output_merge_string::do_print_merge_stats): Print total input size.
2593         * merge.h (Output_merge_string): Add input_size_ field.
2594         * stringpool.cc (Stringpool_template::string_length): Move
2595         implementations out of Stringpool_template class and place in
2596         stringpool.h.
2597         * stringpool.h (string_length): Move out of Stringpool_template.
2598
2599 2010-08-03  Ian Lance Taylor  <iant@google.com>
2600
2601         PR 11712
2602         * layout.cc (relaxation_loop_body): If address of load segment is
2603         set, adjust address to include headers if possible.
2604
2605 2010-08-03  Ian Lance Taylor  <iant@google.com>
2606
2607         * version.cc (version_string): Bump to 1.10.
2608
2609 2010-08-03  Ian Lance Taylor  <iant@google.com>
2610
2611         PR 11805
2612         * layout.h (enum Output_section_order): Define.
2613         (class Layout): Update declarations.
2614         * layout.cc (Layout::get_output_section): Add order parameter.
2615         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
2616         is_first_non_relro parameters.  Change all callers.
2617         (Layout::choose_output_section): Likewise.
2618         (Layout::add_output_section_data): Likewise.
2619         (Layout::make_output_section): Likewise.  Set order.
2620         (Layout::default_section_order): New function.
2621         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
2622         * output.cc (Output_section::Output_section): Initialize order_.
2623         Don't initialize deleted fields.
2624         (Output_segment::Output_segment): Don't initialize deleted
2625         fields.
2626         (Output_segment::add_output_section_to_load): New function
2627         replacing add_output_section.  Change all callers to call this or
2628         add_output_section_to_nonload.
2629         (Output_segment::add_output_section_to_nonload): New function.
2630         (Output_segment::remove_output_section): Rewrite.
2631         (Output_segment::add_initial_output_data): Likewise.
2632         (Output_segment::has_any_data_sections): Likewise.
2633         (Output_segment::is_first_section_relro): Likewise.
2634         (Output_segment::maximum_alignment): Likewise.
2635         (Output_segment::has_dynamic_reloc): New function replacing
2636         dynamic_reloc_count.  Change all callers.
2637         (Output_segment::has_dynamic_reloc_list): New function replacing
2638         dynamic_reloc_count_list.  Change all callers.
2639         (Output_segment::set_section_addresses): Rewrite.
2640         (Output_segment::set_offset): Rewrite.
2641         (Output_segment::find_first_and_last_list): Remove.
2642         (Output_segment::set_tls_offsets): Rewrite.
2643         (Output_segment::first_section_load_address): Likewise.
2644         (Output_segment::output_section_count): Likewise.
2645         (Output_segment::section_with_lowest_load_address): Likewise.
2646         (Output_segment::write_section_headers): Likewise.
2647         (Output_segment::print_sections_to_map): Likewise.
2648         * output.h (class Output_data): Remove dynamic_reloc_count_
2649         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2650         (Output_data::add_dynamic_reloc): Rewrite.
2651         (Output_data::has_dynamic_reloc): New function.
2652         (Output_data::dynamic_reloc_count): Remove.
2653         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2654         is_last_relro_, is_first_non_relro_, is_interp_,
2655         is_dynamic_linker_section_ fields.  Add order and set_order
2656         functions.  Remove is_relro_local, set_is_relro_local,
2657         is_last_relro, set_is_last_relro, is_first_non_relro,
2658         set_is_first_non_relro functions, is_interp, set_is_interp,
2659         is_dynamic_linker_section, and set_is_dynamic_linker_section
2660         functions.
2661         (class Output_segment): Change Output_data_list from std::list to
2662         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2663         output_bss_ fields.  Update declarations.
2664
2665 2010-08-02  Ian Lance Taylor  <iant@google.com>
2666
2667         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2668         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2669         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2670
2671 2010-08-02  Ian Lance Taylor  <iant@google.com>
2672
2673         PR 11855
2674         * script.cc (Script_options::Script_options): Initialize
2675         symbol_definitions_ and symbol_references_.
2676         (Script_options::add_symbol_assignment): Update
2677         symbol_definitions_ and symbol_references_.
2678         (Script_options::add_symbol_reference): New function.
2679         (script_symbol): New function.
2680         * script.h (class Script_options): Add symbol_definitions_ and
2681         symbol_references_ fields.
2682         (Script_options::referenced_const_iterator): New type.
2683         (Script_options::referenced_begin): New function.
2684         (Script_options::referenced_end): New function.
2685         (Script_options::is_referenced): New function.
2686         (Script_options::any_unreferenced): New function.
2687         * script-c.h (script_symbol): Declare.
2688         * yyscript.y (exp): Call script_symbol.
2689         * symtab.cc: Include "script.h".
2690         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2691         Change all callers.  Check symbols referenced by scripts.
2692         (Symbol_table::add_undefined_symbols_from_command_line): Add
2693         layout parameter.  Change all callers.
2694         (Symbol_table::do_add_undefined_symbols_from_command_line):
2695         Likewise.  Break out loop body.  Check symbols referenced by
2696         scripts.
2697         (Symbol_table::add_undefined_symbol_from_command_line): New
2698         function broken out of
2699         do_add_undefined_symbols_from_command_line.
2700         * symtab.h (class Symbol_table): Update declarations.
2701         * archive.cc: Include "layout.h".
2702         (Archive::should_include_member): Add layout parameter.  Change
2703         all callers.  Check for symbol mentioned in expression.
2704         * archive.h (class Archive): Update declaration.
2705         * object.cc (Sized_relobj::do_should_include_member): Add layout
2706         parameter.
2707         * object.h (Object::should_include_member): Add layout parameter.
2708         Change all callers.
2709         (Object::do_should_include_member): Add layout parameter.
2710         (class Sized_relobj): Update declaration.
2711         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2712         parameter.
2713         * dynobj.h (class Sized_dynobj): Update declaration.
2714         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2715         layout parameter.
2716         * plugin.h (class Sized_pluginobj): Update declaration.
2717
2718 2010-08-02  Ian Lance Taylor  <iant@google.com>
2719
2720         PR 11866
2721         * output.cc (Output_segment::set_offset): Search for the first and
2722         last sections rather than assuming that the list is in order.
2723         (Output_segment::find_first_and_last_list): New function.
2724         * output.h (class Output_segment): Update declarations.
2725         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2726         (relro_strip_test_SOURCES): New variable.
2727         (relro_strip_test_DEPENDENCIES): New variable.
2728         (relro_strip_test_LDFLAGS): New variable.
2729         (relro_strip_test_LDADD): New variable.
2730         (relro_strip_test.so): New target.
2731
2732 2010-08-02  Ian Lance Taylor  <iant@google.com>
2733
2734         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2735         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2736         (Target_i386::got_tlsdesc_section): New function.
2737         (Target_i386::got_section): Create space for GOT entries for
2738         TLSDESC relocations.
2739         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2740         R_386_TLS_GOTDESC.
2741         (Target_i386::Scan::global): Likewise.
2742         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2743         using TLSDESC GOT.
2744         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2745         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2746         (Target_x86_64::got_tlsdesc_section): New function.
2747         (Target_x86_64::got_section): Create space for GOT entries for
2748         TLSDESC relocations.
2749         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2750         R_386_TLS_GOTDESC.
2751         (Target_x86_64::Scan::global): Likewise.
2752         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2753         using TLSDESC GOT.
2754
2755 2010-08-02  Ian Lance Taylor  <iant@google.com>
2756
2757         * testsuite/final_layout.sh: Use dc to convert from hex to
2758         decimal.
2759
2760 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2761
2762         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2763         paramter to the call to gold::gc_process_relocs.
2764         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2765         paramter to the call to gold::gc_process_relocs.
2766         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2767         parameter to the call to gold::gc_process_relocs.
2768         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2769         template parameter to the call to gold::gc_process_relocs.
2770         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2771         paramter to the call to gold::gc_process_relocs.
2772         * gc.h (get_embedded_addend_size): New function.
2773         (gc_process_relocs): Save the size of the reloc for use by ICF.
2774         * icf.cc (get_section_contents): Get the addend from the text section
2775         for SHT_REL relocation sections.
2776         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2777         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2778         * int_encoding.h (read_from_pointer): New overloaded function.
2779         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2780         * testsuite/icf_sht_rel_addend_test.sh: New file.
2781         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2782         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2783
2784 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2785
2786         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2787         * Makefile.in: Regenerate.
2788         * testsuite/Makefile.in: Regenerate.
2789
2790 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2791
2792         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2793         * gold/testsuite/debug_msg.cc: Likewise.
2794         * gold/testsuite/odr_violation1.cc
2795         * gold/testsuite/odr_violation2.cc
2796
2797 2010-07-21  Cary Coutant  <ccoutant@google.com>
2798
2799         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2800         string, and length fields.
2801         (Output_merge_string::Merged_strings_list): New type.
2802         (Output_merge_string::Merged_strings_lists): New typedef.
2803         (Output_merge_string): Replace merged_strings_ with
2804         merged_strings_lists_.
2805         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2806         Merged_strings_list per input object and section.  Don't store pointer
2807         to the string.  Don't store length with each merged string entry.
2808         (Output_merge_string::finalize_merged_data): Loop over list of merged
2809         strings lists.  Recompute length of each merged string.
2810
2811 2010-07-15  Cary Coutant  <ccoutant@google.com>
2812
2813         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2814         here.
2815
2816 2010-07-14  Ian Lance Taylor  <iant@google.com>
2817
2818         * descriptors.cc (Descriptors::open): Report correct name in error
2819         message.
2820
2821 2010-07-13  Doug Kwan  <dougkwan@google.com>
2822
2823         * arm.cc (Arm_input_section::Arm_input_section): For a
2824         SHT_ARM_EXIDX section, always keeps the input sections.
2825         (Arm_input_section::set_exidx_section_link): New method.
2826         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2827         has_errors_ to false.
2828         (Arm_exidx_input_section::has_errors,
2829         Arm_exidx_input_section::set_has_errors): New methods.
2830         (Arm_exidx_input_section::has_errors_): New data member.
2831         (Arm_relobj::get_exidx_shndx_list): New method.
2832         (Arm_output_section::append_text_sections_to_list): Do not skip
2833         section without SHF_EXECINSTR.
2834         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2835         errors.
2836         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2837         section header.  Make error messages more verbose.  Check for
2838         a non-executable section linked to an EXIDX section.
2839         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2840         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2841         check that there is no deferred EXIDX section if we exit early.
2842         Instead of not making an EXIDX section in case of an error, make one
2843         and set the has_errors flag of it.
2844         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2845         in a relocatable link.
2846         (Target_arm::do_relax): Look for the EXIDX output section instead of
2847         assuming that it is called .ARM.exidx.
2848         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2849         section list.  Do not check for SHF_EXECINSTR section flags but
2850         skip any input section with errors.
2851         * output.cc (Output_section::Output_section): Initialize
2852         always_keeps_input_sections_ to false.
2853         (Output_section::add_input_section): Check for
2854         always_keeps_input_sections_.
2855         *  output.h (Output_section::always_keeps_input_sections,
2856         Output_section::set_always_keeps_input_sections): New methods.
2857         (Output_section::always_keeps_input_sections): New data member.
2858
2859 2010-07-13  Rafael Espindola  <espindola@google.com>
2860
2861         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2862         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2863
2864 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2865             Ian Lance Taylor  <iant@google.com>
2866
2867         * output.h (Output_section_lookup_maps::add_merge_section):
2868         Correct check of whether value was inserted.
2869         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2870         (Output_section_lookup_maps::add_relaxed_input_section):
2871         Likewise.
2872         * arm.cc (Target_arm::got_section): Remove used local os.
2873         * i386.cc (Target_i386::got_section): Likewise.
2874         * x86_64.cc (Target_x86_64::got_section): Likewise.
2875         * sparc.cc (Target_sparc::got_section): Likewise.
2876         (Target_sparc::relocate): Remove unused local have_got_offset.
2877         * powerpc.cc (Target_powerpc::relocate): Likewise.
2878
2879 2010-07-13  Ian Lance Taylor  <iant@google.com>
2880
2881         * compressed_output.cc (zlib_decompress): Fix signature in
2882         !HAVE_ZLIB_H case.
2883
2884         * archive.cc (Archive::include_member): Unlock an external member
2885         of a thin archive.  Don't bother to delete an object we know is
2886         NULL.
2887
2888 2010-07-12  Cary Coutant  <ccoutant@google.com>
2889
2890         * compressed_output.cc (zlib_decompress): New function.
2891         (get_uncompressed_size): New function.
2892         (decompress_input_section): New function.
2893         * compressed_output.h (get_uncompressed_size): New function.
2894         (decompress_input_section): New function.
2895         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2896         Handle compressed debug sections.
2897         * layout.cc (is_compressed_debug_section): New function.
2898         (Layout::output_section_name): Map compressed section names to
2899         canonical names.
2900         * layout.h (is_compressed_debug_section): New function.
2901         (is_debug_info_section): Recognize compressed debug sections.
2902         * merge.cc: Include compressed_output.h.
2903         (Output_merge_data::do_add_input_section): Handle compressed
2904         debug sections.
2905         (Output_merge_string::do_add_input_section): Handle compressed
2906         debug sections.
2907         * object.cc: Include compressed_output.h.
2908         (Sized_relobj::Sized_relobj): Initialize new data members.
2909         (build_compressed_section_map): New function.
2910         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2911         * object.h (Object::section_is_compressed): New method.
2912         (Object::do_section_is_compressed): New method.
2913         (Sized_relobj::Compressed_section_map): New type.
2914         (Sized_relobj::do_section_is_compressed): New method.
2915         (Sized_relobj::compressed_sections_): New data member.
2916         * output.cc (Output_section::add_input_section): Handle compressed
2917         debug sections.
2918         * reloc.cc: Include compressed_output.h.
2919         (Sized_relobj::write_sections): Handle compressed debug sections.
2920
2921 2010-07-08  Cary Coutant  <ccoutant@google.com>
2922
2923         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2924         weak when resolving to a dynamic def.
2925         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2926         for weak undef/dynamic def cases. Adjust callers.
2927         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2928         undef_binding_weak_.
2929         (Symbol_table::sized_write_globals): Adjust symbol binding.
2930         (Symbol_table::sized_write_symbol): Add binding parameter.
2931         * symtab.h (Symbol::set_undef_binding): New method.
2932         (Symbol::is_undef_binding_weak): New method.
2933         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2934         (Symbol_table::should_override): Add new parameter.
2935         (Symbol_table::sized_write_symbol): Add new parameter.
2936
2937         * testsuite/weak_undef_file1.cc: Add new test case.
2938         * testsuite/weak_undef_file2.cc: Fix header comment.
2939         * testsuite/weak_undef_test.cc: Add new test case.
2940
2941 2010-06-29  Doug Kwan  <dougkwan@google.com>
2942
2943         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2944         Initialize USE_SYMBOL_.
2945         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2946         definition.
2947         (Arm_reloc_property::uses_symbol_): New data member declaration.
2948         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2949         uses symbol value and symbol is undefined but not weakly undefined.
2950
2951 2010-06-28  Rafael Espindola  <espindola@google.com>
2952
2953         * plugin.cc (Plugin::load): Use dlerror.
2954
2955 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2956
2957         * symtab.cc (detect_odr_violations): When reporting an ODR
2958         violation, report an object where the symbol is defined.
2959
2960 2010-06-25  Doug Kwan  <dougkwan@google.com>
2961
2962         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2963         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2964         definition.
2965         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2966         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2967         target hook to detect function points.
2968         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2969         * icf.h (Icf::check_section_for_function_pointers): Change type of
2970         parameter SECTION_NAME to const reference to std::string.  Use
2971         target hook to determine if section may have unsafe pointers.
2972         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2973         method definition.
2974
2975 2010-06-21  Rafael Espindola  <espindola@google.com>
2976
2977         * fileread.cc (Input_file::find_fie): New
2978         (Input_file::open): Use Input_file::find_fie.
2979         * fileread.h (Input_file::find_fie): New
2980         * plugin.cc (set_extra_library_path): New.
2981         (Plugin::load): Add set_extra_library_path to the transfer vector.
2982         (Plugin_manager::set_extra_library_path): New.
2983         (Plugin_manager::add_input_file): Use the extra search path if set.
2984         (set_extra_library_path(): New.
2985         * plugin.h (Plugin_manager): Add set_extra_library_path and
2986         extra_search_path_.
2987
2988 2010-06-19  Cary Coutant  <ccoutant@google.com>
2989
2990         * layout.cc (gdb_sections): Add .debug_types.
2991         (lines_only_debug_sections): Likewise.
2992
2993 2010-06-18  Rafael Espindola  <espindola@google.com>
2994
2995         * plugin.cc (add_input_file,add_input_library)
2996         (Plugin_manager::add_input_file): Make filename arguments const.
2997         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2998         const.
2999
3000 2010-06-16  Doug Kwan  <dougkwan@google.com>
3001
3002         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3003         .ARM.attributes section if we have not merged any input
3004         attributes sections.
3005
3006 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3007
3008         * arm.cc: Allow combining objects with no EABI version
3009         information.
3010
3011 2010-06-15  Rafael Espindola  <espindola@google.com>
3012
3013         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3014
3015 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3016
3017         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3018         (struct iovec): Correct !HAVE_READV definition.
3019
3020 2010-06-10  Cary Coutant  <ccoutant@google.com>
3021
3022         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3023         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3024         reloc sections.
3025         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3026
3027         PR 11683
3028         * symtab.h (Symbol::is_placeholder): New member function.
3029         * target-reloc.h (relocate_section): Check for placeholder symbols.
3030
3031         * testsuite/Makefile.am (plugin_test_8): New test.
3032         (plugin_test_9): New test.
3033         * testsuite/Makefile.in: Regenerate.
3034
3035 2010-06-09  Nick Clifton  <nickc@redhat.com>
3036
3037         * yyscript.y (input_list_element): Allow strings prefixed with
3038         the '-' character.  Treat these as libraries.
3039         * script.cc (script_add_library): New function.  Adds a library
3040         specified by "-l<name>" found in an input script.
3041         * script-c.h: Add prototype for script_add_library.
3042
3043 2010-06-07  Doug Kwan  <dougkwan@google.com>
3044
3045         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3046         Restrict stub-group size to be within long conditional branch
3047         range when working around cortex-A8 erratum.
3048
3049 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3050
3051         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3052         #ifdef typo.
3053
3054 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3055
3056         PR gold/11658
3057         * output.cc
3058         (Output_section::Input_section_sort_entry::compare_section_ordering):
3059         Change to return non-zero correctly.
3060         (Output_section::Input_section_sort_section_order_index_compare
3061         ::operator()): Change to fix ambiguity in comparisons.
3062
3063 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3064
3065         * gold.h (is_wildcard_string): New function.
3066         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3067         (Layout::layout_eh_frame): Ditto.
3068         (Layout::find_section_order_index): New method.
3069         (Layout::read_layout_from_file): New method.
3070         * layout.h (Layout::find_section_order_index): New method.
3071         (Layout::read_layout_from_file): New method.
3072         (Layout::input_section_position_): New private member.
3073         (Layout::input_section_glob_): New private member.
3074         * main.cc (main): Call read_layout_from_file here.
3075         * options.h (--section-ordering-file): New option.
3076         * output.cc (Output_section::input_section_order_specified_): New
3077         member.
3078         (Output_section::Output_section): Initialize new member.
3079         (Output_section::add_input_section): Add new parameter.
3080         Keep input sections when --section-ordering-file is used.
3081         (Output_section::set_final_data_size): Sort input sections when
3082         section ordering file is specified.
3083         (Output_section::Input_section_sort_entry): Add new parameter.
3084         Check sorting type.
3085         (Output_section::Input_section_sort_entry::compare_section_ordering):
3086         New method.
3087         (Output_section::Input_section_sort_compare::operator()): Change to
3088         consider section_order_index.
3089         (Output_section::Input_section_sort_init_fini_compare::operator()):
3090         Change to consider section_order_index.
3091         (Output_section::Input_section_sort_section_order_index_compare
3092         ::operator()): New method.
3093         (Output_section::sort_attached_input_sections): Change to sort
3094         according to section order when specified.
3095         (Output_section::add_input_section<32, true>): Add new parameter.
3096         (Output_section::add_input_section<64, true>): Add new parameter.
3097         (Output_section::add_input_section<32, false>): Add new parameter.
3098         (Output_section::add_input_section<64, false>): Add new parameter.
3099         * output.h (Output_section::add_input_section): Add new parameter.
3100         (Output_section::input_section_order_specified): New
3101         method.
3102         (Output_section::set_input_section_order_specified): New method.
3103         (Input_section::Input_section): Initialize section_order_index_.
3104         (Input_section::section_order_index): New method.
3105         (Input_section::set_section_order_index): New method.
3106         (Input_section::section_order_index_): New member.
3107         (Input_section::Input_section_sort_section_order_index_compare): New
3108         struct.
3109         (Output_section::input_section_order_specified_): New member.
3110         * script-sections.cc (is_wildcard_string): Delete and move modified
3111         method to gold.h.
3112         (Output_section_element_input::Output_section_element_input): Modify
3113         call to is_wildcard_string.
3114         (Output_section_element_input::Input_section_pattern
3115         ::Input_section_pattern): Ditto.
3116         (Output_section_element_input::Output_section_element_input): Ditto.
3117         * testsuite/Makefile.am (final_layout): New test case.
3118         * testsuite/Makefile.in: Regenerate.
3119         * testsuite/final_layout.cc: New file.
3120         * testsuite/final_layout.sh: New file.
3121
3122 2010-06-01  Rafael Espindola  <espindola@google.com>
3123
3124         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3125
3126 2010-06-01  Rafael Espindola  <espindola@google.com>
3127
3128         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3129         visibility of symbols.
3130
3131 2010-05-27  Doug Kwan  <dougkwan@google.com>
3132
3133         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3134         from start of output section instead of address for a local symbol
3135         in a merged or relaxed section when doing a relocatable link.
3136
3137 2010-05-26  Rafael Espindola  <espindola@google.com>
3138
3139        PR 11604
3140         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3141         adding sections the garbage collector removed.
3142         * gold/testsuite/Makefile.am: Add test.
3143         * gold/testsuite/Makefile.in: Regenerate.
3144         * gold/testsuite/plugin_test_7.sh: New.
3145         * gold/testsuite/plugin_test_7_1.c: New.
3146         * gold/testsuite/plugin_test_7_2.c: New.
3147
3148 2010-05-26  Rafael Espindola  <espindola@google.com>
3149
3150         * script-sections.cc (Output_section_definition::set_section_addresses):
3151         Check for --section-start.
3152
3153 2010-05-26  Doug Kwan  <dougkwan@google.com>
3154
3155         * arm.cc (Arm_scan_relocatable_relocs): New class.
3156         (Target_arm::relocate_special_relocatable): New method.
3157         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3158         (Arm_relocate_functions::thumb_branch_common): Same.
3159         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3160         instead of Default_scan_relocatable_relocs.
3161         * target-reloc.h (relocate_for_relocatable): Let target handle
3162         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3163         * target.h (Sized_target::relocate_special_relocatable): New method.
3164
3165 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3166
3167         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3168
3169 2010-05-23  Doug Kwan  <dougkwan@google.com>
3170
3171         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3172         instead of a cast.
3173         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3174         with a direct branch, not a conditional branch, to a stub.
3175         * merge.cc (Output_merge_base::record_input_section): New method
3176         defintion.
3177         (Output_merge_data::do_add_input_section): Record input section if
3178         keeps-input-sections flag is set.
3179         (Output_merge_string::do_add_input_section): Ditto.
3180         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3181         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3182         INPUT_SECTIONS_.
3183         (Output_merge_base::keeps_input_sections,
3184         Output_merge_base::set_keeps_input_sections,
3185         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3186         method definitions.
3187         (Output_merge_base::Input_sections): New type declaration.
3188         (Output_merge_base::input_sections_begin,
3189         Output_merge_base::input_sections_end,
3190         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3191         (Output_merge_base::bool keeps_input_sections_,
3192         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3193         Output_merge_base::input_sections_): New data members.
3194         (Output_merge_data::do_set_keeps_input_sections): New method
3195         defintion.
3196         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3197         * output.cc (Output_section::Input_section::relobj): Move method
3198         defintion from class declaration to here and handle merge sections.
3199         (Output_section::Input_section::shndx): Ditto.
3200         (Output_section::Output_section): Remove initializations of removed
3201         data members and initialize new data member LOOKUP_MAPS_.
3202         (Output_section::add_input_section): Set keeps-input-sections flag
3203         for a newly created merge output section as appropriate.  Adjust code
3204         to use Output_section_lookup_maps class.
3205         (Output_section::add_relaxed_input_section): Adjst code for lookup
3206         maps code refactoring.
3207         (Output_section::add_merge_input_section): Add a new parameter
3208         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3209         class.  If adding input section to a newly created merge output
3210         section fails, remove the new merge section.
3211         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3212         Adjust code for use of the Output_section_lookup_maps class.
3213         (Output_section::find_merge_section): Ditto.
3214         (Output_section::build_lookup_maps): New method defintion.
3215         (Output_section::find_relaxed_input_section): Adjust code to use
3216         Output_section_lookup_maps class.
3217         (Output_section::get_input_sections): Export merge sections.  Adjust
3218         code to use Output_section_lookup_maps class.
3219         (Output_section:::add_script_input_section): Adjust code to use
3220         Output_section_lookup_maps class.  Update lookup maps for merge
3221         sections also.
3222         (Output_section::discard_states): Use Output_section_lookup_maps.
3223         (Output_section::restore_states): Same.
3224         * output.h (Merge_section_properties): Move class defintion out of
3225         Output_section.
3226         (Output_section_lookup_maps): New class.
3227         (Output_section::Input_section::is_merge_section): New method
3228         defintion.
3229         (Output_section::Input_section::relobj): Move defintion out of class
3230         defintion.  Declare method only.
3231         (Output_section::Input_section::shndx): Ditto.
3232         (Output_section::Input_section::output_merge_base): New method defintion.
3233         (Output_section::Input_section::u2_.pomb): New union field.
3234         (Output_section::Merge_section_by_properties_map,
3235         Output_section::Output_section_data_by_input_section_map,
3236         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3237         Remove types.
3238         (Output_section::add_merge_input_section): Add new parameter
3239         KEEPS_INPUT_SECTIONS.
3240         (Output_section::build_lookup_maps): New method declaration.
3241         (Output_section::merge_section_map_,
3242         Output_section::merge_section_by_properties_map_,
3243         Output_section::relaxed_input_section_map_,
3244         Output_section::is_relaxed_input_section_map_valid_): Remove data
3245         members.
3246         (Output_section::lookup_maps_): New data member.
3247
3248 2010-05-21  Doug Kwan  <dougkwan@google.com>
3249
3250         PR gold/11619
3251         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3252         avoid a compilation error.
3253
3254 2010-05-19  Rafael Espindola  <espindola@google.com>
3255
3256         * script-sections.cc (Output_section_definition::allocate_to_segment):
3257         Update the phdrs_list even when the output section is NULL.
3258         * testsuite/Makefile.am: Add test.
3259         * testsuite/Makefile.in: Regenerate.
3260         * testsuite/script_test_9.cc: New.
3261         * testsuite/script_test_9.sh: New.
3262         * testsuite/script_test_9.t: New.
3263
3264 2010-05-19  Doug Kwan  <dougkwan@google.com>
3265
3266         * arm.cc (Arm_input_section::original_size): New method.
3267         (Arm_input_section::do_addralign): Add a cast.
3268         (Arm_input_section::do_output_offset): Remove static cast.
3269         (Arm_input_section::original_addralign,
3270          Arm_input_section::original_size_): Change type to uint32_t.
3271         (Arm_input_section::init): Add safe casts for section alignment
3272         and size.
3273         (Arm_input_section::set_final_data_size): Do not set address and
3274         offset of stub table.
3275         (Arm_output_section::fix_exidx_coverage): Change use of of
3276         Output_section::Simple_input_section to that of
3277         Output_section::Input_section.
3278         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3279         except for the first pass.
3280         * output.cc (Output_section::get_input_sections): Change type of
3281         input_sections to std::list<Input_section>.
3282         (Output_section::add_script_input_section): Rename from
3283         Output_section::add_simple_input_section.  Change type of SIS
3284         parameter from Simple_input_section to Input_section.
3285         * output.h (Output_section::Simple_input_section): Remove class.
3286         (Output_section::Input_section): Change class visibility to public.
3287         (Output_section::Input_section::addralign): Use stored alignments
3288         for special input sections if set.
3289         (Output_section::Input_section::set_addralign): New method.
3290         (Output_section::get_input_sections): Change parameter type from
3291         list of Simple_input_section to list of Input_section.
3292         (Output_section::add_script_input_section): Rename from
3293         Output_section::add_simple_input_section. Change first parameter's
3294         type from Simple_input_section to Input_section and remove the
3295         second and third parameters.
3296         * script-sections.cc (Input_section::Input_section_list): Change
3297         type to list of Output_section::Input_section/
3298         (Input_section_info::Input_section_info): Change parameter type of
3299         INPUT_SECTION to Output_section::Input_section.
3300         (Input_section_info::input_section): Change return type.
3301         (Input_section_info::input_section_): Change type to
3302         Output_section::Input_section.
3303         (Output_section_element_input::set_section_addresses): Adjust code
3304         to use Output_section::Input_section instead of
3305         Output_section::Simple_input_section.  Adjust code for renaming
3306         of Output_section::add_simple_input_section.
3307         (Orphan_output_section::set_section_addresses): Ditto.
3308
3309 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3310
3311         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3312         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3313
3314 2010-05-18  Rafael Espindola  <espindola@google.com>
3315
3316         * options.cc (General_options::finalize): Handle -nostdlib.
3317         * options.h (nostdlib): New option.
3318         * script.cc (script_add_search_dir): Handle -nostdlib.
3319
3320 2010-05-12  Doug Kwan  <dougkwan@google.com>
3321
3322         * arm.cc (Target_arm::do_finalize_sections): Create an empty
3323         attributes section only if there no attributes section after merging.
3324         (Target_arm::merge_object_attributes): Move value of
3325         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
3326         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3327         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3328         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3329         and arm_attr_merge_7.stdout.
3330         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3331         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3332         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3333         arm_attr_merge_7b.o): New rules.
3334         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3335         arm_attr_merge_7
3336         * testsuite/Makefile.in: Regenerate.
3337         * testsuite/arm_attr_merge.sh: New file.
3338         * testsuite/arm_attr_merge_[67][ab].s: Same.
3339
3340 2010-05-05  Nick Clifton  <nickc@redhat.com>
3341
3342         * po/es.po: Updated Spanish translation.
3343
3344 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3345
3346         * Makefile.am (install-exec-local): Properly install gold as
3347         default cross linker.
3348         * Makefile.in: Regenerated.
3349
3350 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
3351             Nick Clifton  <nickc@redhat.com>
3352
3353         * configure.ac (install_as_default): Define and set to false
3354         unless --enable-gold or --enable-gold=both/gold has been
3355         specified.
3356         * configure: Regenerate.
3357
3358         * Makefile.am (install-exec-local): Install the executable as
3359         'ld.gold'.  If install_as_default is true then also install it as
3360         'ld'.
3361         * Makefile.in: Regenerated.
3362
3363 2010-04-24  Ian Lance Taylor  <iant@google.com>
3364
3365         * layout.cc (Layout::layout_reloc): In relocatable link don't
3366         combine reloc sections for grouped sections.
3367
3368 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
3369
3370         * gc.h (gc_process_relocs): Pass information on relocs pointing to
3371         sections that are not ordinary to icf.
3372         * icf.cc (get_section_contents): Handle relocation pointing to section
3373         with no object or shndx information.
3374         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3375         * testsuite/Makefile.in: Regenerate.
3376         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3377         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3378
3379 2010-04-22  Ian Lance Taylor  <iant@google.com>
3380
3381         * expression.cc (Expression::Expression_eval_info): Add
3382         result_alignment_pointer field.
3383         (Expression::eval_with_dot): Add result_alignment_pointer
3384         parameter.  Change all callers.
3385         (Expression::eval_maybe_dot): Likewise.
3386         (class Binary_expression): Add alignment_pointer parameter to
3387         left_value and right_value.  Change all callers.
3388         (BINARY_EXPRESSION): Set result alignment.
3389         (class Trinary_expression): Add alignment_pointer parameter to
3390         arg2_value and arg3_value.  Change all callers.
3391         (Trinary_cond::value): Set result alignment.
3392         (Max_expression::value, Min_expression::value): Likewise.
3393         (Align_expression::value): Likewise.
3394         * script-sections.cc (class Sections_element): Add dot_alignment
3395         parameter to set_section_addresses virtual function.  Update
3396         instantiations.
3397         (class Output_section_element): Likewise.
3398         (Script_sections::create_segments): Add dot_alignment parameter.
3399         Change all callers.
3400         (Script_sections::create_segments_from_phdrs_clause): Likewise.
3401         (Script_sections::set_phdrs_clause_addresses): Likewise.
3402         * script-sections.h: Update declarations.
3403         * script.h: Update declarations.
3404         * output.h (Output_segment::set_minimum_p_align): Don't decrease
3405         min_p_align.
3406         * testsuite/script_test_3.t: Set large alignment.
3407         * testsuite/script_test_3.sh: Make sure that at least one LOAD
3408         segment has expected alignment.
3409
3410 2010-04-22  Nick Clifton  <nickc@redhat.com>
3411
3412         * po/gold.pot: Updated by the Translation project.
3413         * po/vi.po: Updated Vietnamese translation.
3414
3415 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
3416
3417         * testsuite/Makefile.am (check_PROGRAMS): Add
3418         icf_virtual_function_folding_test.
3419         * testsuite/Makefile.in: Regenerated.
3420
3421 2010-04-15  Andrew Haley  <aph@redhat.com>
3422
3423         * options.h (merge_exidx_entries): New option.
3424         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3425         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3426         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3427         (Target_arm::merge_exidx_entries): New function.
3428         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3429         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3430         to Arm_exidx_fixup constructor.
3431         Add new arg, merge_exidx_entries.
3432         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3433         Arm_output_section::fix_exidx_coverage.
3434
3435 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
3436
3437         * icf.cc (get_section_contents): Check for preemptible functions.
3438         Ignore addend when appropriate.
3439         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
3440         section folded.
3441         (add_from_relobj): Check for section folded.
3442         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3443         * symtab.h (should_add_dynsym_entry): Add new parameter.
3444         * target-reloc.h (scan_relocs): Check for section folded.
3445         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3446         Check reloc types for function pointers in shared objects.
3447         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3448         case.
3449         (icf_preemptible_functions_test): New test case.
3450         (icf_string_merge_test): New test case.
3451         * testsuite.Makefile.in: Regenerate.
3452         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3453         bar_glob.  Refactor code.
3454         * testsuite/icf_preemptible_functions_test.cc: New file.
3455         * testsuite/icf_preemptible_functions_test.sh: New file.
3456         * testsuite/icf_string_merge_test.cc: New file.
3457         * testsuite/icf_string_merge_test.sh: New file.
3458         * testsuite/icf_virtual_function_folding_test.cc: New file.
3459         * testsuite/icf_virtual_function_folding_test.sh: New file.
3460
3461 2010-04-14  Doug Kwan  <dougkwan@google.com>
3462
3463         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3464         for local symbol recounting if we remove a section due to ICF.
3465         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3466         there are no regular objects in input.
3467
3468 2010-04-13  Doug Kwan  <dougkwan@google.com>
3469
3470         * arm.cc (Arm_input_section::set_final_data_size): Compute
3471         accurate final data size instead of using current data size.
3472
3473 2010-04-09  Doug Kwan  <dougkwan@google.com>
3474
3475         * layout.cc (Layout::choose_output_section): Handle script section
3476         types.
3477         (Layout::make_output_section_for_script): Add section type parameter.
3478         Handle script section types.
3479         * layout.h (Layout::make_output_section_for_script): Add section
3480         type parameter.
3481         * output.cc (Output_section::Output_section): Initialize data member
3482         is_noload_.
3483         (Output_section::do_reset_address_and_file_offset): Do not set address
3484         to 0 if section is a NOLOAD section.
3485         * output.h (Output_section::is_noload): New method.
3486         (Output_section::set_is_noload): Ditto.
3487         (Output_section::is_noload_): New data member.
3488         * script-c.h (Script_section_type): New enum type.
3489         (struct Parser_output_section_header): Add new file section_type.
3490         * script-sections.cc (Sections_element::output_section_name): Add
3491         parameter for returning script section type.
3492         (Output_section_definition::output_section_name): Ditto.
3493         (Output_section_definition::section_type)P; New method.
3494         (Output_section_definiton::script_section_type_name): Ditto.
3495         (Output_section_definition::script_section_type_): New data member.
3496         (Output_section_definition::Output_section_definition): Initialize
3497         data member Output_section_definition::script_section_type_.
3498         (Output_section_definition::create_sections): Pass script section type
3499         to Layout::make_output_section_for_script.
3500         (Output_section_definition::output_section_name): Return script
3501         section type to caller.
3502         (Output_section_definition::set_section_address): Do not advance
3503         dot value and load address if section type is NOLOAD.  Set address
3504         of NOLOAD sections regardless of section flags.
3505         (Output_section_definition::print): Print section type if it is
3506         not SCRIPT_SECTION_TYPE_NONE.
3507         (Output_section_definition::section_type): New method.
3508         (Output_section_definition::script_section_type_name): Ditto.
3509         (Script_sections::output_section_name): Add new parameter
3510         PSECTION_TYPE for returning script section type.  Pass it to
3511         section elements.  Handle discard sections.
3512         (Sort_output_sections::operator()): Handle NOLOAD sections.
3513         * script-sections.h (Script_sections::Section_type): New enum type.
3514         (Script_sections::output_section_name): Add a new parameter for
3515         returning script section type.
3516         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
3517         INFO and NOLOAD.
3518         * yyscript.y (union): Add new field SECTION_TYPE.
3519         (COPY, DSECT, INFO, NOLOAD): New tokens.
3520         (opt_address_and_section_type): Change type to output_section_header.
3521         (section_type): New non-terminal
3522         (section_header): Handle section type.
3523         (opt_address_and_section_type): Return section type value.
3524
3525 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
3526
3527         * testsuite/plugin_common_test_1.c (foo): Add prototype.
3528         * testsuite/plugin_common_test_2.c (foo): Likewise.
3529
3530 2010-04-08  Doug Kwan  <dougkwan@google.com>
3531
3532         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
3533         Output_merge_data.
3534         * output.cc (Output_section::add_merge_input_section): Simplify
3535         code and return status of Output_merge_base::add_input_section.
3536         Update merge section map only if Output_merge_base::add_input_section
3537         returns true.
3538
3539 2010-04-07  Doug Kwan  <dougkwan@google.com>
3540
3541         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
3542         if section is marked as containing instructions but has no mapping
3543         symbols.
3544         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
3545         correct section index.
3546         (Arm_relobj::find_linked_text_section): Ditto.
3547
3548 2010-04-07  Cary Coutant  <ccoutant@google.com>
3549
3550         * archive.cc (include_member): Destroy Read_symbols_data object before
3551         releasing file.
3552         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
3553         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
3554         (Read_symbols_data::~Read_symbols_data) New destructor.
3555         (Section_relocs::Section_relocs) New constructor.
3556         (Section_relocs::~Section_relocs) New destructor.
3557         (Read_relocs_data::Read_relocs_data) New constructor.
3558         (Read_relocs_data::~Read_relocs_data) New destructor.
3559         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
3560         pointers to NULL after deleting.
3561
3562 2010-04-07  Doug Kwan  <dougkwan@google.com>
3563
3564         * arm.cc: Replace "endianity" with "endianness" in comments.
3565         (Arm_exidx_cantunwind): Ditto.
3566         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
3567         (Arm_relobj::merge_flags_and_attributes): New method.
3568         (Arm_relobj::merge_flags_and_attributes_): New data member.
3569         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
3570         (Arm_relobj::scan_sections_for_stubs): Ditto.
3571         (Arm_relobj::do_read_symbols): Check to see if we really want to
3572         merge processor-specific flags and attributes.  Exit early if
3573         an object is empty except for section names and the undefined symbol.
3574         (Target_arm::do_finalize_sections): Move check for ELF format to
3575         Arm_relobj::do_read_symbols.  Merge processor specific flags and
3576         attributes from a regular object only when we have determined that
3577         it is aapropriate.  Do not create an .ARM.attributes section in
3578         output if there is no regular input object.
3579         (Target_arm::merge_processor_specific_flags): Check
3580         --warn-mismatch before printing any error.
3581         (Target_arm::merge_object_attributes): Ditto.
3582         * gold.cc (queue_middle_tasks): Handle the case in which there is
3583         no regular object in input.
3584         * options.cc (General_options::parse_EB): New method.
3585         (General_options::parse_EL): Same.
3586         (General_options::General_options): Initialize endianness_.
3587         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
3588         New options.
3589         (General_options::Endianness): New enum.
3590         (General_options::endianness): New method.
3591         (General_options::endianness_): New data member.
3592         * parameters.cc (Parameters::set_options): Check target endianness.
3593         (Parameters::set_target_once): Ditto.
3594         (Parameters::check_target_endianness): New method.
3595         (parameters_force_valid_target): If either -EL or -EB is specified,
3596         use it to define endianness of default target.
3597         * parameters.h (Parameters::check_target_endianness): New method
3598         declaration.
3599         * target.h (class Target): Change "endianity" to "endianness"
3600         in comments.
3601
3602 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3603
3604         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
3605         * configure: Regenerate.
3606         * Makefile.in: Regenerate.
3607         * testsuite/Makefile.in: Regenerate.
3608
3609 2010-04-06  Cary Coutant  <ccoutant@google.com>
3610
3611         gcc PR lto/42757
3612         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
3613         prevailing definitions of common symbols.
3614         * testsuite/plugin_test_6.sh: New test case.
3615         * testsuite/plugin_common_test_1.c: New test case.
3616         * testsuite/plugin_common_test_2.c: New test case.
3617         * testsuite/Makefile.am (plugin_test_6): New test case.
3618         * testsuite/Makefile.in: Regenerate.
3619
3620 2010-04-06  Nick Clifton  <nickc@redhat.com>
3621
3622         * po/vi.po: New Vietnamese translation.
3623
3624 2010-03-30  Doug Kwan  <dougkwan@google.com>
3625
3626         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
3627
3628 2010-03-25  Doug Kwan  <dougkwan@google.com>
3629
3630         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
3631         to avoid a conversion warning on a 32-bit host.
3632
3633 2010-03-24  Ian Lance Taylor  <iant@google.com>
3634
3635         * testsuite/script_test_3.t: Add a TLS segment.
3636         * testsuite/Makefile.am (check_PROGRAMS): Add
3637         tls_phdrs_script_test.
3638         (tls_phdrs_script_test_SOURCES): Define.
3639         (tls_phdrs_script_test_DEPENDENCIES): Define.
3640         (tls_phdrs_script_test_LDFLAGS): Define.
3641         (tls_phdrs_script_test_LDADD): Define.
3642         * testsuite/Makefile.in: Rebuild.
3643
3644 2010-03-23  Cary Coutant  <ccoutant@google.com>
3645
3646         * fileread.cc (find_or_make_view): Fix comment.
3647
3648 2010-03-23  Ian Lance Taylor  <iant@google.com>
3649
3650         * script-sections.cc (class Orphan_section_placement): Define
3651         PLACE_TLS and PLACE_TLS_BSS.
3652         (Orphan_section_placement::Orphan_section_placement): Initialize
3653         new places.
3654         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3655         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3656         (tls_script_test_SOURCES): Define.
3657         (tls_script_test_DEPENDENCIES): Define.
3658         (tls_script_test_LDFLAGS): Define.
3659         (tls_script_test_LDADD): Define.
3660         * testsuite/Makefile.in: Rebuild.
3661
3662 2010-03-22  Doug Kwan  <dougkwan@google.com>
3663
3664         * arm.cc (Arm_relocate_functions::abs8,
3665         Arm_relocate_functions::abs16): Use correct check for overflow
3666         specified in the ARM ELF specs.
3667         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3668         target of a BLX instruction specially.
3669         (Reloc_stub::stub_type_for_reloc): Ditto.
3670         (Relocate::relocate): Use symbolic names instead of numeric relocation
3671         codes to report error.
3672         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3673         workaround.
3674         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3675         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3676         thumb2_blx_out_of_range.stdout
3677         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3678         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3679         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3680         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3681         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3682         thumb2_blx_in_range, thumb2_blx_in_range.o,
3683         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3684         thumb2_blx_out_of_range.o): New rules.
3685         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3686         thumb2_blx_in_range and thumb2_blx_out_of_range.
3687         * testsuite/Makefile.in: Regenerate.
3688         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3689         * testsuite/thumb_blx_in_range.s: New file.
3690         * testsuite/thumb_blx_out_of_range.s: New file.
3691
3692 2010-03-22  Rafael Espindola  <espindola@google.com>
3693
3694         * archive.cc (Should_include): Move to archive.h.
3695         (should_include_member): Make it a member of Archive.
3696         (Lib_group): New.
3697         (Add_lib_group_symbols): New.
3698         * archive.h: Include options.h.
3699         (Archive_member): Moved from Archive.
3700         (Should_include): Moved from archive.cc.
3701         (Lib_group): New.
3702         (Add_lib_group_symbols): New.
3703         * dynobj.cc (do_should_include_member): New.
3704         * dynobj.h (do_should_include_member): New.
3705         * gold.cc (queue_initial_tasks): Update call to queue.
3706         * main.cc (main): Print lib group stats.
3707         * object.cc (do_should_include_member): New.
3708         * object.h: Include archive.h.
3709         (Object::should_include_member): New.
3710         (Object::do_should_include_member): New.
3711         (Sized_relobj::do_should_include_member): New.
3712         * options.cc (General_options::parse_start_lib): New.
3713         (General_options::parse_end_lib): New.
3714         (Input_arguments::add_file): Handle lib groups.
3715         (Input_arguments::start_group): Check we are not in a lib.
3716         (Input_arguments::start_lib): New.
3717         (Input_arguments::end_lib): New.
3718         * options.h (General_options): Add start_lib and end_lib.
3719         (Input_argument::lib_): New.
3720         (Input_argument::lib): New.
3721         (Input_argument::is_lib): New.
3722         (Input_file_lib): New.
3723         (Input_arguments::in_lib_): New.
3724         (Input_arguments::in_lib): New.
3725         (Input_arguments::start_lib): New.
3726         (Input_arguments::end_lib_): New.
3727         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3728         in unused members as preempted.
3729         (Sized_pluginobj::do_should_include_member): New.
3730         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3731         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3732         return the blocker.
3733         (Read_symbols::do_whole_lib_group): New.
3734         (Read_symbols::do_lib_group): New.
3735         (Read_symbols::do_read_symbols): Handle lib groups.
3736         (Read_symbols::get_name): Handle lib groups.
3737         * readsyms.h (Read_symbols): Add an archive member pointer.
3738         (Read_symbols::do_whole_lib_group): New.
3739         (Read_symbols::do_lib_group): New.
3740         (Read_symbols::member_): New.
3741         * script.cc (read_input_script): Update call to queue_soon.
3742
3743 2010-03-19  Doug Kwan  <dougkwan@google.com>
3744
3745         * arm.cc (Stub_table::Stub_table): Initialize new data members
3746         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3747         (Stub_table::add_reloc_stub): Assign stub offset and update
3748         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3749         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3750         New data members.
3751         (Stub_table::update_data_size_and_addralign): Use
3752         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3753         instead of going over all reloc stubs.
3754         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3755         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3756         Stringpool_template::offset_ to size of Stringpool_char.
3757         (Stringpool_template::new_key_offset): Remove code to initialize
3758         Stringpool_template::offset_.
3759         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3760         Stringpool_template::offset_ to zero.
3761
3762 2010-03-15  Doug Kwan  <dougkwan@google.com>
3763
3764         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3765         offset_.
3766         (Stringpool_template::new_key_offset): New method.
3767         (Stringpool_template::add_string): Assign offsets when adding new
3768         strings.
3769         (Stringpool_template::set_string_offsets): Do not set string offsets
3770         when not optimizing.
3771         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3772         member size_.
3773         (Chunked_vector::clear): Clear size_.
3774         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3775         (Chunked_vector::size): Return size_.
3776         (Chunked_vector::push_back): Use size_ to find insert position.
3777         (Chunked_vector::size_): New data member.
3778         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3779         (Stringpool_template::new_key_offset): New method declaration.
3780         (Stringpool_template::offset_): New data member.
3781
3782 2010-03-15   Rafael Espindola  <espindola@google.com>
3783
3784         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3785         Add_symbols' constructor.
3786         * readsyms.h (Add_symbols): Remove the input_group member.
3787
3788 2010-03-10  Ian Lance Taylor  <iant@google.com>
3789
3790         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3791         target to ask whether a reference to a symbol requires a stack
3792         split.
3793         * target.h (Target::is_call_to_non_split): New function.
3794         (Target::do_is_call_to_non_split): Declare virtual function.
3795         * target.cc: Include "symtab.h".
3796         (Target::do_is_call_to_non_split): New function.
3797         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3798
3799 2010-03-10  Cary Coutant  <ccoutant@google.com>
3800
3801         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3802         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3803         (File_read::open[2]): Add whole_file_view_ to list of views.
3804         (File_read::make_view): Remove test of whole_file_view_.
3805         (File_read::find_or_make_view): Create whole_file_view_ if
3806         necessary.
3807         (File_read::clear_views): Replace bool parameter with enum;
3808         adjust all callers.  Don't delete views with permanent data;
3809         do delete cached views and views from archives if
3810         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3811         if clearing the corresponding view.
3812         * fileread.h (File_read::Clear_views_mode): New enum.
3813         (File_read::View::is_permanent_view): New method.
3814         (File_read::clear_views): Replace bool parameter
3815         with enum; adjust all callers.
3816         * options.h (General_options): Change keep_files_mapped option;
3817         add map_whole_files.
3818         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3819         releasing the file.
3820         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3821         the file.
3822
3823 2010-03-10  David S. Miller  <davem@davemloft.net>
3824
3825         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3826
3827 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3828
3829         * icf.cc (get_section_contents): Add '@' marker after processing the
3830         merge reloc.
3831
3832 2010-03-08  Doug Kwan  <dougkwan@google.com>
3833
3834         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3835         due to a conversion warning.
3836         (Arm_relobj::update_output_local_symbol_count): Check for local
3837         symbol with unset output index.
3838
3839 2010-03-05  Ian Lance Taylor  <iant@google.com>
3840
3841         * options.h (class General_options): Add --spare-dynamic-tags.
3842         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3843         --spare-dynamic-tags.
3844
3845 2010-03-05  Ian Lance Taylor  <iant@google.com>
3846
3847         * incremental.cc: Include "libiberty.h".
3848
3849 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3850
3851         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3852         function, is_info_ member.
3853         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3854         (Versions::Versions): Update caller.
3855         (Versions::define_base_version): Likewise.
3856         (Versions::add_def): Likewise.
3857
3858 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3859
3860         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3861         (Scan::possible_function_pointer_reloc): New function.
3862         (Scan::local_reloc_may_be_function_pointer): Change to call
3863         possible_function_pointer_reloc.
3864         (Scan::global_reloc_may_be_function_pointer): Ditto.
3865         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3866         relocations in ".data.rel.ro._ZTV" section.
3867         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3868         * testsuite/icf_safe_so_test.cc: Ditto.
3869         * testsuite/icf_safe_test.cc: Ditto.
3870         * testsuite/icf_safe_test.sh: Ditto.
3871
3872 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3873             Ian Lance Taylor  <iant@google.com>
3874
3875         * target-reloc.h (relocate_section): Check the symbol table index
3876         for -1U before setting the local symbol index.
3877         (scan_relocatable_relocs): If copying the relocation, record that
3878         the local symbol is required.
3879         * object.h (Symbol_value::is_output_symtab_index_set): New
3880         function.
3881         (Symbol_value::may_be_discarded_from_output_symtab): New
3882         function.
3883         (Symbol_value::has_output_symtab_entry): New function.
3884         (Symbol_value::needs_output_symtab_entry): Remove.
3885         (Symbol_value::output_symtab_index): Make sure the symbol index is
3886         set.
3887         (Symbol_value::set_output_symtab_index): Make sure the symbol
3888         index is not set.  Make sure the new index is valid.
3889         (Symbol_value::set_must_have_output_symtab_entry): New function.
3890         (Symbol_value::has_output_dynsym_entry): New function.
3891         (Symbol_value::set_output_dynsym_index): Make sure the new index
3892         is valid.
3893         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3894         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3895         local symbol if permitted.
3896         (Sized_relobj::do_finalize_local_symbols): Call
3897         is_output_symtab_index_set rather than needs_output_symtab_entry.
3898         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3899         rather than needs_output_symtab_entry.  Call
3900         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3901         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3902         is_output_symtab_index_set rather than needs_output_symtab_entry.
3903         * testsuite/discard_locals_relocatable_test.c: New file.
3904         * testsuite/discard_locals_test.sh: Test -r.
3905         * testsuite/Makefile.am (check_DATA): Add
3906         discard_locals_relocatable_test1.syms,
3907         discard_local_relocatable_test2.syms.
3908         (MOSTLYCLEANFILES): Likewise.  Also add
3909         discard_locals_relocatable_test1.lout and
3910         discard_locals_relocatable_test2.out.
3911         (discard_locals_relocatable_test1.syms): New target.
3912         (discard_locals_relocatable_test.o): New target.
3913         (discard_locals_relocatable_test1.out): New target.
3914         (discard_locals_relocatable_test2.syms): New target.
3915         (discard_locals_relocatable_test2.out): New target.
3916         (various): Add missing ../ld-new dependencies.
3917         * testsuite/Makefile.in: Rebuild.
3918
3919 2010-03-03  Nick Clifton  <nickc@redhat.com>
3920
3921         * po/fi.po: New Finnish translation.
3922
3923 2010-03-01  Doug Kwan  <dougkwan@google.com>
3924
3925         * layout.cc (Layout::Layout): Force section types of .init_array*,
3926         .preinit_array* and .fini_array* sections.
3927         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3928         Fix check of return value of std::string::find.().
3929         (Output_section::Input_section_sort_compare::operator()): Remove
3930         comment about .init_array.
3931         (Output_section::Input_section_sort_init_fini_compare::operator()):
3932         New method.
3933         (Output_section::sort_attached_input_sections): Handle .init_array
3934         and .fini_array specially.
3935         * output.h (Output_section::Inut_section_sort_compare): Update
3936         comment.
3937         (Output_section::Input_section_sort_init_fini_compare): New struct.
3938
3939 2010-02-26  Doug Kwan  <dougkwan@google.com>
3940
3941         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3942         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3943         * testsuite/debug_msg.sh: Avoid matching source line number for
3944         use of global variable undef_int.
3945
3946 2010-02-26  Doug Kwan  <dougkwan@google.com>
3947
3948         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3949         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3950         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3951         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3952         * options.cc (General_options::General_options): Initialize member
3953         fix_v4bx_.
3954         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3955         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3956         and rm_no_fix_v4bx.stdout
3957         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3958         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3959         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3960         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3961         and arm_no_fix_v4bx.
3962         * Makefile.in: Regenerate.
3963         * testsuite/arm_fix_v4bx.s: New file.
3964         * testsuite/arm_fix_v4bx.sh: Ditto.
3965
3966 2010-02-24  Doug Kwan  <dougkwan@google.com>
3967
3968         * arm.cc (Target_arm::got_section): Make the .got section the first
3969         non RELRO section in the data segment.
3970         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3971         suffixes of section names.
3972
3973 2010-02-24  Doug Kwan  <dougkwan@google.com>
3974
3975         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3976         flags and attributes merging if an input file is a binary file.
3977         * fileread.cc (Input_file::open): Record format of original file.
3978         * fileread.h (Input_file::Format): New enum type.
3979         (Input_file::Input_file): Initialize data member format_.
3980         (Input_file::format): New method definition.
3981         (Input_file::format_):: New data member.
3982
3983 2010-02-24  Doug Kwan  <dougkwan@google.com>
3984
3985         * arm.cc (Arm_output_data_got): New class.
3986         (ARM_TCB_SIZE): New constant
3987         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3988         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3989         If user uses a script with a SECTIONS clause, issue only a warning
3990         for a misplaced EXIDX input section.  Otherwise, issue an error.
3991         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3992         garbage collection.
3993         (Target_arm::got_mode_index_entry): Handle static linking.
3994         (Target_arm::Scan::local): Ditto.
3995         (Target_arm::Scan::global): Ditto.
3996         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3997         all incorrectly implemented relocations.
3998         (Target_arm::fix_exidx_coverage): Pass layout to
3999         Arm_output_section::fix_exidx_coverage.
4000         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4001         from ".ARM.exidx." and ".ARM.extab.".
4002
4003 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4004
4005         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4006         section if it does not already exist.
4007         * attributes.cc (Attributes_section_data::Attributes_section_data):
4008         Don't crash if size is zero.
4009
4010 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4011             Ian Lance Taylor  <iant@google.com>
4012
4013         * gold.cc (queue_middle_tasks): If no input files were opened,
4014         exit.
4015         * workqueue.h (Task_function::Task_function): Assert that there is
4016         a blocker.
4017
4018 2010-02-22  Doug Kwan  <dougkwan@google.com>
4019
4020         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4021         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4022         types to avoid warnings due to different uint64_t implementations
4023         on different hosts.
4024
4025 2010-02-21  Doug Kwan  <dougkwan@google.com>
4026
4027         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4028         handling of the maximum backward branch offset.
4029         (Arm_relocate_functions::thumb_branch_common): Ditto.
4030         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4031         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4032         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4033         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4034         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4035         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4036         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4037         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4038         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4039         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4040         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4041         thumb2_bl_out_of_range.o): New rules.
4042         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4043         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4044         thumb2_bl_out_of_range
4045         * testsuite/Makefile.in: Regenerate.
4046         * testsuite/arm_bl_in_range.s: New file.
4047         * testsuite/arm_bl_out_of_range.s: Ditto.
4048         * testsuite/arm_branch_in_range.sh: Ditto.
4049         * testsuite/arm_branch_range.t: Ditto.
4050         * testsuite/thumb2_branch_range.t: Ditto.
4051         * testsuite/thumb_bl_in_range.s: Ditto.
4052         * testsuite/thumb_bl_out_of_range.s: Ditto.
4053         * testsuite/thumb_branch_range.t: Ditto.
4054
4055 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4056
4057         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4058         Add reloc offset information.
4059         * icf.cc (get_section_contents): Change iterators to point to the new
4060         vectors. Add reloc offset information to the contents.
4061         * icf.h (Icf::Sections_reachable_info): New typedef.
4062         (Icf::Sections_reachable_list): New typedef.
4063         (Icf::Offset_info): New typedef.
4064         (Icf::Reloc_info): New struct typedef.
4065         (Icf::Reloc_info_list): New typedef.
4066         (Icf::symbol_reloc_list): Delete method.
4067         (Icf::addend_reloc_list): Delete method.
4068         (Icf::section_reloc_list): Delete method.
4069         (Icf::reloc_info_list): New method.
4070         (Icf::reloc_info_list_): New member.
4071
4072 2010-02-19  Doug Kwan  <dougkwan@google.com>
4073
4074         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4075         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4076         * arm.cc (Arm_relocation_functions): New forward declaration.
4077         (Target_arm::Target_arm): Initialize new data members
4078         got_mod_index_offset_ and tls_base_symbol_defined_.
4079         (Target_arm::Relocate::relocate_tls): New method.
4080         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4081          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4082         New methods.
4083         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4084         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4085         (Target_arm::got_mod_index_offset_,
4086         Target_arm::tls_base_symbol_defined_): New data members.
4087         (Target_arm::Scan::local, Target::Scan::global,
4088         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4089         relocations.
4090
4091 2010-02-18  Doug Kwan  <dougkwan@google.com>
4092
4093         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4094         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4095         text section as a parameter becuase some broken tools may not set
4096         the link in section header.
4097         (Target_arm::has_got_section): New method.
4098         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4099         without any mapping symbol as data only.  Remove warning.
4100         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4101         link in its section header, try to discover the link by inspecting the
4102         REL31 relocation at the beginning of the section.
4103         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4104         in error message.
4105         (Target_arm::Scan::global): Treat any reference to the symbol
4106         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4107
4108 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4109
4110         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4111         (Scan::global_reloc_may_be_function_pointer): New function.
4112         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4113         (Scan::global_reloc_may_be_function_pointer): New function.
4114         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4115         (Scan::global_reloc_may_be_function_pointer): New function.
4116         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4117         (Scan::global_reloc_may_be_function_pointer): New function.
4118         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4119         (Scan::global_reloc_may_be_function_pointer): New function.
4120         (Scan::possible_function_pointer_reloc): New function.
4121         (Target_x86_64::can_check_for_function_pointers): New function.
4122         * gc.h (gc_process_relocs): Scan relocation types to determine if
4123         function pointers were taken for targets that support it.
4124         * icf.cc (Icf::find_identical_sections): Include functions for
4125         folding in safe ICF whose pointer is not taken.
4126         * icf.h (Secn_fptr_taken_set): New typedef.
4127         (fptr_section_id_): New member.
4128         (section_has_function_pointers): New function.
4129         (set_section_has_function_pointers): New function.
4130         (check_section_for_function_pointers): New function.
4131         * options.h: Fix comment for safe ICF option.
4132         * target.h (can_check_for_function_pointers): New function.
4133         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4134         Modify icf_safe_test for X86-64.
4135         * testsuite/Makefile.in: Regenerate.
4136         * testsuite/icf_safe_so_test.cc: New file.
4137         * testsuite/icf_safe_so_test.sh: New file.
4138         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4139         (main): Change to take pointer to function kept_func_3.
4140         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4141         folding is done correctly for X86-64.
4142
4143 2010-02-12  David S. Miller  <davem@davemloft.net>
4144
4145         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4146         is_symbolless parameter.
4147         (Output_reloc<SHT_REL>::is_symbolless): New.
4148         (Output_reloc<SHT_REL>::is_symbolless_): New.
4149         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4150         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4151         (Output_reloc<SHT_RELA>::is_symbolless): New.
4152         (Output_data_reloc::add_global): Handle is_symbolless.
4153         (Output_data_reloc::add_global_relative): Likewise.
4154         (Output_data_reloc::add_local): Likewise.
4155         (Output_data_reloc::add_local_relative): Likewise.
4156         (Output_data_reloc::add_symbolless_global_addend): New.
4157         (Output_data_reloc::add_symbolless_local_addend): New.
4158         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4159         is_symbolless.
4160         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4161         instead of ->is_relative_
4162         (Output_reloc::write): Likewise.
4163         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4164         (Output_reloc::write_rel): Simplify.
4165
4166         * sparc.cc (Target_sparc::Scan::local): Use
4167         ->add_symbolless_local_addend as needed.
4168         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4169         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4170         based upon relocation offset.
4171
4172 2010-02-11  Doug Kwan  <dougkwan@google.com>
4173
4174         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4175         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4176         beginning of function.
4177         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4178         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4179         parameter is_32bit in calls to should_apply_static_reloc.
4180         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4181         (check_DATA): Add arm_abs_global.stdout.
4182         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4183         arm_abs_global.stdout): New rules.
4184         (MOSTLLYCLEANFILES): Add arm_abs_global
4185         * Makefile.in: Regenerate.
4186         * testsuite/arm_abs_global.s: New file.
4187         * testsuite/arm_abs_global.sh: Ditto.
4188         * testsuite/arm_abs_lib.s: Ditto.
4189
4190 2010-02-11  Ian Lance Taylor  <iant@google.com>
4191
4192         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4193         Read_relocs task.
4194         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4195         Allocate_commons_task first.
4196         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4197         task, rather than symtab_lock_.
4198         (Gc_process_relocs::~Gc_process_relocs): New function.
4199         (Gc_process_relocs::is_runnable): Check this_blocker_.
4200         (Gc_process_relocs::locks): Use next_blocker_ rather than
4201         blocker_.
4202         (Scan_relocs::~Scan_relocs): New function.
4203         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4204         symtab_lock_.
4205         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4206         next_blocker_.
4207         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4208         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4209         constructor accordingly.
4210         (class Gc_process_relocs): Likewise.
4211         (class Scan_relocs): Likewise.
4212         * common.h (class Allocate_commons_task): Remove symtab_lock_
4213         field, and corresponding constructor parameter.
4214         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4215         symtab_lock_.
4216         (Allocate_commons_task::locks): Likewise.
4217
4218 2010-02-11  Ian Lance Taylor  <iant@google.com>
4219
4220         * gold-threads.h (class Once): Define.
4221         (class Initialize_lock): Rewrite as child of Once.
4222         * gold-threads.cc (class Once_initialize): Define.
4223         (once_pointer_control): New static variable.
4224         (once_pointer, once_arg): New static variables.
4225         (c_run_once): New static function.
4226         (Once::Once, Once::run_once, Once::internal_run): New functions.
4227         (class Initialize_lock_once): Remove.
4228         (initialize_lock_control): Remove.
4229         (initialize_lock_pointer): Remove.
4230         (initialize_lock_once): Remove.
4231         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4232         (Initialize_lock::initialize): Rewrite.
4233         (Initialize_lock::do_run_once): New function.
4234         * archive.cc (Archive::interpret_header): Only clear name if it is
4235         not already empty.
4236         * fileread.cc: Include "gold-threads.h"
4237         (file_counts_lock): New static variable.
4238         (file_counts_initialize_lock): Likewise.
4239         (File_read::release): Only increment counts when using --stats.
4240         Use a lock around the increment.
4241         * parameters.cc (class Set_parameters_target_once): Define.
4242         (set_parameters_target_once): New static variable.
4243         (Parameters::Parameters): Move here from parameters.h.
4244         (Parameters::set_target): Rewrite.
4245         (Parameters::set_target_once): New function.
4246         (Parameters::clear_target): Move here and rewrite.
4247         * parameters.h (class Parameters): Update declarations.  Add
4248         set_parameters_target_once_ field.
4249         (Parameters::Parameters): Move to parameters.cc.
4250         (Parameters::clear_target): Likewise.
4251         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4252         task.
4253         (Start_group::~Start_group): New function.
4254         (Start_group::is_runnable): New function.
4255         (Start_group::locks, Start_group::run): New functions.
4256         (Finish_group::run): Change saw_undefined to size_t.
4257         * readsyms.h (class Start_group): Define.
4258         (class Finish_group): Change saw_undefined_ field to size_t.
4259         (Finish_group::Finish_group): Remove saw_undefined and
4260         this_blocker parameters.  Change all callers.
4261         (Finish_group::set_saw_undefined): New function.
4262         (Finish_group::set_blocker): New function.
4263         * symtab.h (class Symbol_table): Change saw_undefined to return
4264         size_t.  Change saw_undefined_ field to size_t.
4265         * target-select.cc (Set_target_once::do_run_once): New function.
4266         (Target_selector::Target_selector): Initialize set_target_once_
4267         field.  Don't initialize lock_ and initialize_lock_ fields.
4268         (Target_selector::instantiate_target): Rewrite.
4269         (Target_selector::set_target): New function.
4270         * target-select.h (class Set_target_once): Define.
4271         (class Target_selector): Update declarations.  Make
4272         Set_target_once a friend.  Remove lock_ and initialize_lock_
4273         fields.  Add set_target_once_ field.
4274
4275 2010-02-10  Ian Lance Taylor  <iant@google.com>
4276
4277         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4278         queueing any tasks.
4279         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
4280         (queue_middle_tasks): Add all blockers before queueing any tasks.
4281         (queue_final_tasks): Likewise.
4282         * token.h (Task_token::add_blockers): New function.
4283         * object.h (Input_objects::number_of_relobjs): New function.
4284
4285 2010-02-10  Ian Lance Taylor  <iant@google.com>
4286
4287         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4288         shared, not if not position independent.
4289         * x86_64.cc (Relocate::relocate_tls): Likewise.
4290         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4291         (tls_pie_pic_test): New target.
4292         * testsuite/Makefile.in: Rebuild.
4293
4294         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4295         (tls_test_main_pie.o, tls_test_pie.o): New targets.
4296         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4297         * testsuite/Makefile.in: Rebuild.
4298
4299 2010-02-09  David S. Miller  <davem@davemloft.net>
4300
4301         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4302         R_SPARC_RELATIVE using ->add_local_relative().
4303         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4304
4305         * output.h (Output_data_dynamic::add_section_size): New method
4306         that takes two Output_data objects.
4307         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4308         entry param.  Handle it in initializers.
4309         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4310         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4311         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4312         arg.
4313         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4314         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4315         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4316         for dynrel_includes_plt.
4317         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4318         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4319         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4320         before .rela.plt
4321         (Target_sparc::do_finalize_sections): Update to pass true for
4322         dynrel_includes_plt.
4323         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4324         output before .rela.plt
4325         (Target_powerpc::do_finalize_sections): Update to pass true for
4326         dynrel_includes_plt when 32-bit.
4327
4328 2010-02-08  Doug Kwan  <dougkwan@google.com>
4329
4330         * arm.cc (Arm_relobj::simple_input_section_output_address): New
4331         method.
4332         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4333         Arm_relobj::scan_section_for_cortex_a8_stubs,
4334         Arm_relobj::do_relocation_section): Instead of calling
4335         Output_section::output_address, use faster
4336         Arm_relobj::simple_input_section_output_address.
4337
4338 2010-02-08  David S. Miller  <davem@davemloft.net>
4339
4340         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4341         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4342         relocation helper function.
4343
4344         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4345         just like R_SPARC_GOT{10,13,22}.
4346         (Target_sparc::Scan::local): Likewise.
4347         (Target_sparc::Relocate:relocate): Likewise.
4348
4349 2010-02-06  Ian Lance Taylor  <iant@google.com>
4350
4351         * configure.ac: Rewrite targetobjs duplicate removal code to use
4352         only shell constructs.
4353         * configure: Rebuild.
4354
4355 2010-02-05  Doug Kwan  <dougkwan@google.com>
4356
4357         PR 11247
4358         * arm.cc (Arm_relobj::section_is_scannable): New method.
4359         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4360         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4361
4362 2010-02-04  Doug Kwan  <dougkwan@google.com>
4363
4364         PR 11247
4365         * arm-reloc-property.cc (cstdio): Include.
4366         * configure.ac (targetobjs): Remove duplicates.
4367         * configure: Regenerate.
4368         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4369         big and little endian version for a given address size.
4370
4371 2010-02-03  Doug Kwan  <dougkwan@google.com>
4372
4373         * arm-reloc-property.cc
4374         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4375         definition.
4376         * arm-reloc-property.h
4377         (Arm_reloc_property_table::get_implemented_static_reloc_property):
4378         New method definition.
4379         (Arm_reloc_property_table::reloc_name_in_error_message): New method
4380         declaration.
4381         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4382         overflow to N.
4383         (GOT_PREL): Change implemented to Y.
4384         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4385         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4386         (Arm_relocate_functions::movw_abs_nc): Remove method.
4387         (Arm_relocate_functions::movt_abs): Ditto.
4388         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4389         (Arm_relocate_functions::thm_movt_abs): Ditto.
4390         (Arm_relocate_functions::movw_rel_nc): Ditto.
4391         (Arm_relocate_functions::movw_rel): Ditto.
4392         (Arm_relocate_functions::movt_rel): Ditto.
4393         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4394         (Arm_relocate_functions:thm_movw_rel): Ditto.
4395         (Arm_relocate_functions:thm_movt_rel): Ditto.
4396         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4397         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4398         New method definitions.
4399         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4400         (Arm_relocation_functions::arm_grp_ldr): Ditto.
4401         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4402         (Arm_relocation_functions::arm_grp_ldc): Ditto.
4403         (Target_arm::Relocate::relocate): Check for non-static or
4404         unimplemented relocation code and exit early.  Change calls to
4405         Target_arm::reloc_uses_thumb_bit and
4406         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4407         instead.  Refactor code to handle similar relocations to increase
4408         code sharing.  Remove check for unsupported relocation code in switch
4409         statement.
4410         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4411         relocation property table to find out size.  Change error message to
4412         print out the name of a relocation code instead of the numeric value.
4413         (Target_arm::scan_reloc_for_stub): Use relocation property table
4414         instead of calling Target_arm::reloc_uses_thumb_bit().
4415
4416 2010-02-02  Doug Kwan  <dougkwan@google.com>
4417
4418         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4419         types of relaxed input section.
4420
4421 2010-02-02  Doug Kwan  <dougkwan@google.com>
4422
4423         * Makefile.am (HFILES): Add arm-reloc-property.h.
4424         (DEFFILES): New.
4425         (TARGETSOURCES): Add arm-reloc-property.cc
4426         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4427         (libgold_a_SOURCES): $(DEFFILES)
4428         * Makefile.in: Regenerate.
4429         * arm-reloc-property.cc: New file.
4430         * arm-reloc-property.h: New file.
4431         * arm-reloc.def: New file.
4432         * arm.cc: Update comments.
4433         (arm-reloc-property.h): New included header.
4434         (arm_reloc_property_table): New global variable.
4435         (Target_arm::do_select_as_default_target): New method definition.
4436         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4437         arm-reloc-property to targ_extra_obj.
4438         * parameters.cc (set_parameters_target): Call
4439         Target::select_as_default_target().
4440         * target.h (Target::select_as_default_target): New method definition.
4441         (Target::do_select_as_default_target): Same.
4442
4443 2010-02-01  Doug Kwan  <dougkwan@google.com>
4444
4445         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4446         first_output_text_section_.
4447         (Arm_exidx_fixup::first_output_text_section): New method definition.
4448         (Arm_exidx_fixup::first_output_text_section_): New data member.
4449         (Arm_exidx_fixup::process_exidx_section): Record the first text
4450         output section seen.
4451         (Arm_output_section::fix_exidx_coverage): Set correct linked section
4452         and entsize in output section header.
4453
4454 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4455
4456         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4457         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4458         (Arm_relocate_functions::thm_alu11): New Method.
4459         (Arm_relocate_functions::thm_pc8): New Method.
4460         (Arm_relocate_functions::thm_pc12): New Method.
4461         (Target_arm::Scan::local): Handle the relocations.
4462         (Target_arm::Scan::global): Likewise.
4463         (Target_arm::Relocate::relocate): Likewise.
4464         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4465
4466 2010-01-29  Doug Kwan  <dougkwan@google.com>
4467
4468         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4469         of relocation types as ld.
4470
4471 2010-01-29  Doug Kwan  <dougkwan@google.com>
4472
4473         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
4474         to public.
4475         (Arm_relocate_functions::thumb_branch_common): Ditto.
4476         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
4477         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
4478         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
4479         Arm_relocate_functions::jump24): Remove.
4480         (Target_arm::Relocate::relocate): Adjust code to call
4481         Arm_relocation_functions::arm_branch_common and
4482         Arm_relocation_functions::thumb_branch_common instead of their removed
4483         wrappers.  Merge switch-cases together to reduce source code size.
4484
4485 2010-01-29  Doug Kwan  <dougkwan@google.com>
4486
4487         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
4488         output_local_symbol_count_needs_update_.
4489         (Arm_relobj::output_local_symbol_count_needs_update,
4490          Arm_relobj::set_output_local_symbol_count_needs_update,
4491          Arm_relobj::update_output_local_symbol_count): New methods.
4492         (Arm_relobj::output_local_symbol_count_needs_update_): New data
4493         member.
4494         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
4495         of pointed function as in a R_ARM_PREL31 relocation.
4496         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
4497         for output local symbol count updating.
4498         (Target_arm::do_relax): Update output local symbol counts in objects
4499         if necessary.
4500         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
4501
4502 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4503
4504         * arm.cc: Added support for the ARM relocations:
4505         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
4506         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
4507         (Arm_relocate_functions::movw_rel_nc): Renamed (was
4508         movw_prel_nc).
4509         (Arm_relocate_functions::movw_rel): New method.
4510         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
4511         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
4512         thm_movw_prel_nc).
4513         (Arm_relocate_functions::thm_movw_rel): New method.
4514         (Arm_relocate_functions::thm_movt_rel): Renamed (was
4515         thm_movt_prel).
4516         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
4517         relocations.
4518         (Target_arm::Scan::global): Likewise.
4519         (Target_arm::Relocate::relocate): Likewise.
4520         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4521         Likewise.
4522
4523 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4524
4525         * arm.cc: Added support for ARM group relocations.
4526         (Target_arm::reloc_needs_sym_origin): New method.
4527         (Arm_relocate_functions::calc_grp_kn): New method.
4528         (Arm_relocate_functions::calc_grp_residual): New method.
4529         (Arm_relocate_functions::calc_grp_gn): New method.
4530         (Arm_relocate_functions::arm_grp_alu): New Method.
4531         (Arm_relocate_functions::arm_grp_ldr): New Method.
4532         (Arm_relocate_functions::arm_grp_ldrs): New Method.
4533         (Arm_relocate_functions::arm_grp_ldc): New Method.
4534         (Target_arm::Scan::local): Handle the ARM group relocations.
4535         (Target_arm::Scan::global): Likewise.
4536         (Target_arm::Relocate::relocate): Likewise.
4537         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4538         Likewise.
4539
4540 2010-01-26  Doug Kwan  <dougkwan@google.com>
4541
4542         * arm.cc (set): Include.
4543         (class Arm_exidx_fixup): Change type of last_input_section_ to const
4544         pointer type.
4545         (Arm_output_section::Text_section_list): New type.
4546         (Arm_output_section::append_text_sections_to_list): New method.
4547         (Arm_output_section::fix_exidx_coverage): Ditto.
4548         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
4549         (Arm_relobj::convert_input_section_to_relaxed_section): Use
4550         Relobj::set_section_offset() instead of
4551         Sized_relobj::invalidate_section_offset().
4552         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
4553         parameter for section headers. Ignore relocation sections for
4554         unallocated sections and EXIDX sections.
4555         (Target_arm::fix_exidx_coverage): New method.
4556         (Target_arm::output_section_address_less_than): New type.
4557         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
4558         linked text section instead of the EXIDX section.
4559         (Arm_output_section::create_stub_group): Add an assertion to check
4560         that this is not an EXIDX output section.
4561         (Arm_output_section::append_text_sections_to_list): New method.
4562         (Arm_output_section::fix_exidx_coverage): Ditto.
4563         (Arm_relobj::scan_sections_for_stubs): Adjust call to
4564         Arm_relobj::section_needs_reloc_stub_scanning.
4565         (Target_arm::do_relax): Fix EXIDX output section coverage in the
4566         first pass.
4567         (Target_arm::fix_exidx_coverage): New method.
4568         * object.h (Relobj::set_output_section): New method.
4569         (Sized_relobj::invalidate_section_offset): Remove method.
4570         (Sized_relobj::do_invalidate_section_offset): Remove method.
4571         (Sized_relobj::do_set_section_offset): Handle offset value -1.
4572
4573 2010-01-25  Doug Kwan  <dougkwan@google.com>
4574
4575         * arm.cc (Arm_exidx_merged_section::do_output_offset):
4576         Fix warning due to signed and unsigned comparison on a 32-bit host.
4577
4578 2010-01-22  Doug Kwan  <dougkwan@google.com>
4579
4580         * arm.cc (Target_arm::do_relax): Record an output section for section
4581         offset adjustment it contains any stub table that has changed.
4582         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
4583         offsets in an output section if necessary.
4584         * output.cc (Output_section::Output_section): Initialize
4585         section_offsets_need_adjustments_.
4586         (Output_section::add_input_section_for_script): Renamed to
4587         Output_section::add_simple_input_section.
4588         (Output_section::save_states): Add a comment.
4589         (Output_section::discard_states): New method defintion.
4590         (Output_section::adjust_section_offsets): Same.
4591         * output.h (Output_section::add_input_section_for_script): Renamed to
4592         Output_section::add_simple_input_section.
4593         (Output_section::discard_states): New method declaration.
4594         (Output_section::adjust_section_offsets): Same.
4595         (Output_section::section_offsets_need_adjustment,
4596         Output_section::set_section_offsets_need_adjustment): New method
4597         definitions.
4598         (Output_section::section_offsets_need_adjustment_): New data member.
4599         * script-sections.cc
4600         (Output_section_element_input::set_section_address): Adjust code for
4601         renaming of Output_section::add_input_section_for_script.
4602         (Orphan_output_section::set_section_address): Same.
4603
4604 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4605
4606         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
4607         Fix_v4bx enum values .
4608         * gold/options.h (General_options): New option definitions.
4609         (General_options::fix_v4bx): New method.
4610         (General_options::Fix_v4bx): New enum.
4611         * gold/options.cc (General_options::parse_fix_v4bx): New method.
4612         (General_options::parse_fix_v4bx_interworking): New method.
4613
4614 2010-01-22  Doug Kwan  <dougkwan@google.com>
4615
4616         * arm.cc (Arm_exidx_fixup): New class.
4617
4618 2010-01-21  Doug Kwan  <dougkwan@google.com>
4619
4620         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
4621         classes.
4622         (Arm_exidx_section_offset_map): New type.
4623
4624 2010-01-21  Doug Kwan  <dougkwan@google.com>
4625
4626         * arm.cc (Arm_exidx_input_section): New class.
4627         (Arm_relobj::exidx_input_section_by_link,
4628         Arm_relobj::exidx_input_section_by_shndx,
4629         Arm_relobj::make_exidx_input_section): New methods.
4630         (read_arm_attributes_section): Remove.
4631         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
4632         information about them.
4633         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4634         to here.
4635
4636 2010-01-20  Doug Kwan  <dougkwan@google.com>
4637
4638         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4639         Input_section_specifier to Section_id.
4640         (Target_arm::new_arm_input_section: Adjust code for change of key
4641         type.
4642         (Target_arm::find_arm_input_section): Ditto.
4643         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4644         (Section_id): Remove.
4645         (Garbage_collection::Section_id_hash): Remove.
4646         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4647         (Section_id): Remove.
4648         (Icf::Section_id_hash): Remove.
4649         * object.h (Section_id, Const_section_id, Section_id_hash,
4650         Const_section_id_hash): New type definitions.
4651         * output.cc (Output_section::add_relaxed_input_section): Change to
4652         use Const_section_id instead of Input_section_specifier as key type.
4653         (Output_section::add_merge_input_section): Ditto.
4654         (Output_section::build_relaxation_map): Change to use Section_id
4655         instead of Input_section_specifier as key type.
4656         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4657         Ditto.
4658         (Output_section::convert_input_sections_to_relaxed_sections): Change
4659         to use Const_section_id instead of Input_section_specifier as key type.
4660         (Output_section::find_merge_section): Ditto.
4661         (Output_section::find_relaxed_input_section): Ditto.
4662         * output.h (Input_section_specifier): Remove class.
4663         (Output_section::Output_section_data_by_input_section_map): Change
4664         key type to Const_section_id.
4665         (Output_section::Output_relaxed_input_section_by_input_section_map):
4666         Ditto.
4667         (Output_section::Relaxation_map): Change key type to Section_id.
4668
4669 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4670
4671         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4672         (class Arm_v4bx_stub): New class.
4673         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4674         (Stub_factory::make_arm_v4bx_stub): New method.
4675         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4676         (Stub_table::empty): Handle v4bx stubs.
4677         (Stub_table::add_arm_v4bx_stub): New method.
4678         (Stub_table::find_arm_v4bx_stub): New method.
4679         (Arm_relocate_functions::v4bx): New method.
4680         (Target_arm::fix_v4bx): New method.
4681         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4682         (Stub_table::relocate_stubs): Likewise.
4683         (Stub_table::do_write): Likewise.
4684         (Stub_table::update_data_size_and_addralign): Likewise.
4685         (Stub_table::finalize_stubs):  Likewise.
4686         (Target_arm::Scan::local): Likewise.
4687         (Target_arm::Scan::global): Likewise.
4688         (Target_arm::do_finalize_sections): Likewise.
4689         (Target_arm::Relocate::relocate): Likewise.
4690         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4691         Likewise.
4692         (Target_arm::scan_reloc_for_stub): Likewise.
4693         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4694
4695 2010-01-19  Ian Lance Taylor  <iant@google.com>
4696
4697         * output.cc (Output_section_headers::do_sized_write): Write large
4698         segment count to sh_info field.
4699         (Output_file_header::do_sized_write): For large segment count,
4700         write PN_XNUM to e_phnum field.
4701
4702 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4703
4704         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4705         (Arm_relocate_functions::thm_jump8): New function.
4706         (Arm_relocate_functions::thm_jump11): New function.
4707         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4708         R_ARM_THM_JUMP11.
4709         (Target_arm::Scan::global): Likewise.
4710         (Target_arm::Relocate::relocate): Likewise.
4711         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4712         Likewise.
4713
4714 2010-01-14  Doug Kwan  <dougkwan@google.com>
4715
4716         * arm.cc (map, utility): Include headers.
4717         (Target_arm::apply_cortex_a8_workaround): New method.
4718         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4719         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4720         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4721         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4722         the --[no-]fix-cortex-a8 command line options.
4723         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4724         (Target_arm::relocate_stub): Use addend in instruction template.
4725         * options.h (DEFINE_bool): Set the user-set flag.
4726         (General_options): Add --[no-]-fix-cortex options.
4727         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4728         : Update fast look-up map after conversion.
4729
4730 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4731
4732         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4733         in the first pass of do_layout.
4734
4735 2010-01-13  Doug Kwan  <dougkwan@google.com>
4736
4737         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4738         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4739         apparent compiler problem of not folding static constant integral
4740         data members of elfcpp::Elf_sizes<32>.
4741
4742 2010-01-13  Doug Kwan  <dougkwan@google.com>
4743
4744         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4745         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4746         Arm_relobj::scan_section_for_cortex_a8_erratum,
4747         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4748         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4749         sections to scan for relocation stubs into a new method
4750         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4751         relocation and Cortex-A8 stub scanning.
4752         (Target_arm::do_relax): Force stubs to be after stubbed sections
4753         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4754         the beginning of a new relaxation pass.  Update a comment.
4755         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4756
4757 2010-01-12  Ian Lance Taylor  <iant@google.com>
4758
4759         * target-reloc.h (visibility_error): New inline function.
4760         (relocate_section): Call visibility_error.
4761         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4762         (MOSTLYCLEANFILES): Likewise.
4763         (protected_4_pic.o, protected_3.err): New targets.
4764         * testsuite/protected_4.cc: New file.
4765
4766 2010-01-12  Doug Kwan  <dougkwan@google.com>
4767
4768         * arm.cc (Cortex_a8_reloc): New class.
4769         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4770         and cortex_a8_relocs_info_.
4771         (Target_arm::fix_cortex_a8): New method definition.
4772         (Target_arm::Cortex_a8_relocs_info): New type.
4773         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4774         New data member declarations.
4775         (Target_arm::scan_reloc_for_stub): Record information about
4776         relocations for THUMB branches that might be exempted from the
4777         Cortex-A8 workaround.
4778         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4779         at the beginning of a relaxation pass.
4780
4781 2010-01-12  Doug Kwan  <dougkwan@google.com>
4782
4783         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4784         (Arm_relobj::Mapping_symbol_position,
4785          Arm_reloj::Mapping_symbol_position_less,
4786          Arm_relobj::Mapping_symbols_info): New types.
4787         (Target_arm::is_mapping_symbol_name): New method definition.
4788         (Arm_relobj::do_count_local_symbols): Save information about mapping
4789         symbols.
4790
4791 2010-01-11  Doug Kwan  <dougkwan@google.com>
4792
4793         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4794         Arm_relocate_functions::thumb32_branch_upper,
4795         Arm_relocate_functions::thumb32_branch_lower,
4796         Arm_relocate_functions::thumb32_cond_branch_offset,
4797         Arm_relocate_functions::thumb32_cond_branch_upper,
4798         Arm_relocate_functions::thumb32_cond_branch_lower,
4799         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4800         branch offset encoding.
4801         (Arm_relocate_functions::thumb_branch_common): Use new branch
4802         offset encoding methods to avoid code duplication.
4803         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4804         (Stub_addend_reader::operator()): Use new branch encoding method
4805         to avoid code duplication.
4806
4807 2010-01-11  Doug Kwan  <dougkwan@google.com>
4808
4809         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4810         (Target_arm::do_finalize_sections): Define special EXIDX section
4811         symbols only if referenced.
4812         * gc.h (Garbage_collection::add_reference): New method.
4813         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4814         code duplication.
4815
4816 2010-01-11  Ian Lance Taylor  <iant@google.com>
4817
4818         * script.cc (Version_script_info::build_expression_list_lookup):
4819         Change complaing about duplicate wildcard match from error to
4820         warning.
4821
4822         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4823         of 2009-12-30.
4824         (Version_script_info::Version_script_info): Initialize globs_,
4825         default_version_, default_is_global_, and exact_.  Don't
4826         initialize globals_ or locals_.
4827         (Version_script_info::build_lookup_tables): Build local symbols
4828         first.
4829         (Version_script_info::unquote): New function.
4830         (Version_script_info::add_exact_match): New function.
4831         (Version_script_info::build_expression_list_lookup): Remove lookup
4832         parameter.  Add is_global parameter.  Change all callers.  Handle
4833         wildcard pattern specially.  Unquote pattern.  Call
4834         add_exact_match.
4835         (Version_script_info::get_name_to_match): New function.
4836         (Version_script_info::get_symbol_version): New function.
4837         (Version_script_info::get_symbol_version_helper): Remove.
4838         (Version_script_info::check_unmatched_names): Call unquote.
4839         * script.h (class Version_script_info): Change get_symbol_version
4840         to be non-inline and add is_global parameter; change all callers.
4841         Rewrite symbol_is_local.  Update declarations.  Define struct
4842         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4843         Remove globals_ and locals_ members.  Add exact_, globs_,
4844         default_version_, is_global_.
4845         (Version_script_info::Glob): Remove pattern, add expression and
4846         is_global.  Update constructor.  Change all callers.
4847         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4848         default version.
4849         (Versions::symbol_section_contents): If a symbol is undefined, or
4850         defined in a dynamic object, set the version index to
4851         VER_NDX_LOCAL.
4852         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4853         symbol_is_local.
4854         (Symbol_table::add_from_pluginobj): Likewise.
4855         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4856
4857 2010-01-11  Doug Kwan  <dougkwan@google.com>
4858
4859         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4860         (incremental_dump_LDADD): Add linking option for libintl.
4861         * Makefile.in: Regenerate.
4862
4863 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4864
4865         PR gold/11144
4866         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4867         instead of -Ds.
4868         * testsuite/Makefile.in: Regenerated.
4869
4870 2010-01-10  Doug Kwan  <dougkwan@google.com>
4871
4872         * options.h (DEFINE_var): Use parentheses around argument varname__
4873         in macro body to avoid any unintended subsequent substitutions.
4874
4875 2010-01-10  Ian Lance Taylor  <iant@google.com>
4876
4877         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4878         candidates before doing symbol resolution.
4879
4880         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4881         ODR candidates if only one is weak.
4882
4883 2010-01-08  Ian Lance Taylor  <iant@google.com>
4884
4885         * script.cc (Version_script_info::build_expression_list_lookup):
4886         Don't warn about ambiguous version, just record the ambiguity.
4887         (Version_script_info::get_symbol_version_helper): Give error if
4888         version is ambiguous.
4889
4890 2010-01-08  Doug Kwan  <dougkwan@google.com>
4891
4892         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4893           prev_data_size_ and prev_addralign_.  Remove initializer for
4894           deleted data member has_been_changed_.
4895           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4896           to determine if the table is empty.
4897           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4898           Remove.
4899           (Stub_table::add_reloc_stub): Define method in class definition
4900           instead of just declaring it there.
4901           (Stub_table::add_cortex_a8_stub): New method definition.
4902           (Stub_table::update_data_size_and_addralign): Ditto.
4903           (Stub_table::finalize_stubs): Ditto.
4904           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4905           (Stub_table::do_addralign_): Return address alignment in the
4906           (Stub_table::do_reset_address_and_file_offset): Define method in
4907           class definition instead of declaring it there.  Set current data
4908           size to be the data size of the previous pass.
4909           (Stub_table::set_final_data_size): Use current data size as the
4910           final data size.
4911           (Stub_table::relocate_stub): Change parameter type of stub from
4912           Reloc_stub pointer to Stub pointer.
4913           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4914           (Stub_table::Cortex_a8_stub_list): New typedef.
4915           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4916            Stub_table::prev_addralign_): New data member.
4917           (Arm_relobj::Arm_relobj): Initialize data member
4918           section_has_cortex_a8_workaround_.
4919           (Arm_relobj::section_has_cortex_a8_workaround,
4920            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4921            definitions.
4922           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4923           declarations.
4924           (Target_arm::relocate_stub): Change parameter type of stub from
4925           Reloc_stub pointer to Stub pointer.
4926           (Insn_template::size, Insn_template::alignment): Handle
4927           THUMB16_SPECIAL_TYPE.
4928           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4929            Stub_table::update_data_size_and_addralign,
4930            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4931           definitions.
4932           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4933           (Stub_table::do_write): Ditto.
4934           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4935
4936 2010-01-08  Ian Lance Taylor  <iant@google.com>
4937
4938         PR 11108
4939         * symtab.h (class Symbol): Remove fields is_target_special_ and
4940         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4941         (Symbol::is_defined_in_discarded_section): New function.
4942         (Symbol::set_is_defined_in_discarded_section): New function.
4943         (Symbol::has_plt_offset): Rewrite.
4944         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4945         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4946         Don't initialize is_target_special_ or has_plt_offset_.
4947         Initialize is_defined_in_discarded_section_.
4948         (Symbol_table::add_from_relobj): If appropriate, set
4949         is_defined_in_discarded_section.
4950         * resolve.cc (Symbol::override_base_with_special): Don't test
4951         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4952         * target-reloc.h (relocate_section): Do special handling for
4953         symbols defined in discarded sections for global symbols as well
4954         as local symbols.
4955
4956 2010-01-08  Ian Lance Taylor  <iant@google.com>
4957
4958         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4959         the SHT_SYMTAB case.
4960
4961 2010-01-08  Ian Lance Taylor  <iant@google.com>
4962
4963         * object.cc (Sized_relobj::do_layout): Don't get confused if
4964         layout_eh_frame returns NULL.
4965
4966 2010-01-08  Ian Lance Taylor  <iant@google.com>
4967
4968         PR 11084
4969         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4970         dynamic symbol table, use the normal symbol table.
4971         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4972         symbol table.
4973
4974 2010-01-08  Ian Lance Taylor  <iant@google.com>
4975
4976         PR 11072
4977         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4978         sections.
4979
4980 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4981
4982         * version.cc (print_version): Change to "Copyright 2010".
4983
4984 2010-01-08  Ian Lance Taylor  <iant@google.com>
4985
4986         PR 10287
4987         PR 11063
4988         * i386.cc (class Target_i386): Change return type of plt_section
4989         to be non-const.
4990         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4991         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4992         tls_desc_rel_ field.
4993         (Output_data_plt_i386::rel_tls_desc): New function.
4994         (Target_i386::rel_tls_desc_section): New function.
4995         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4996         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4997         R_386_TLS_DESC reloc in rel_tls_desc_section.
4998         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4999         Define struct Tlsdesc_info.
5000         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5001         (Target_x86_64::do_reloc_symbol_index): New function.
5002         (Target_x86_64::add_tlsdesc_info): New function.
5003         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5004         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5005         tlsdesc_rel_ field.
5006         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5007         all callers.
5008         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5009         (Target_x86_64::rela_tlsdesc_section): New function.
5010         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5011         handling.
5012         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5013         (Target_x86_64::do_reloc_addend): New function.
5014         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5015         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5016         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5017         (Output_reloc::type): New function.
5018         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5019         (Output_reloc::is_target_specific): New function.
5020         (Output_reloc::target_arg): New function.
5021         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5022         absolute relocs and target specific relocs.
5023         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5024         add_target_specific.
5025         (class Output_data_reloc) [SHT_RELA]: Likewise.
5026         * output.cc (Output_reloc::Output_reloc): Add four new versions
5027         for absolute relocs and target specific relocs.
5028         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5029         (Output_reloc::get_symbol_index): Likewise.
5030         (Output_reloc::local_section_offset): Check that local_sym_index_
5031         is not TARGET_CODE or 0.
5032         (Output_reloc::symbol_value): Likewise.
5033         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5034         reloc.
5035         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5036         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5037         functions.
5038         * layout.cc (add_target_dynamic_tags): Use output section for
5039         DT_PLTRELSZ and DT_JMPREL.
5040
5041 2010-01-07  Ian Lance Taylor  <iant@google.com>
5042
5043         PR 11061
5044         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5045         function.
5046         (class Output_data_reloc_generic): Define.
5047         (class Output_data_reloc_base): Change base class to
5048         Output_data_reloc_generic.  Change add() method to call
5049         bump_relative_reloc_count for a relative reloc.  Remove
5050         sort_relocs_ field.
5051         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5052         to sort_relocs().
5053         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5054         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5055         appropriate.
5056         * layout.h (class Layout): Update declaration.
5057
5058 2010-01-07  Ian Lance Taylor  <iant@google.com>
5059
5060         * output.h (class Output_data): Add const version of
5061         output_section and do_output_section.
5062         (class Output_section_data): Add const version of
5063         do_output_section.
5064         (class Output_section): Likewise.
5065         * layout.cc (Layout::add_target_dynamic_tags): New function.
5066         * layout.h (class Layout): Update declarations.
5067         * arm.cc (Target_arm::do_finalize_sections): Use
5068         add_target_dynamic_tags.
5069         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5070         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5071         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5072         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5073
5074 2010-01-07  Ian Lance Taylor  <iant@google.com>
5075
5076         PR 11042
5077         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5078         object as needed.
5079
5080 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5081             Ian Lance Taylor  <iant@google.com>
5082
5083         PR 11019
5084         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5085         Xindex::read_symtab_xindex.
5086
5087 2010-01-07  Doug Kwan  <dougkwan@google.com>
5088
5089         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5090         (Insn_template::thumb16_bcond_insn): New method declaration.
5091         (Insn_template): Fix spelling.
5092         (Stub::thumb16_special): New method declaration.
5093         (Stub::do_write): Define virtual method which was previously pure
5094         virtual.
5095         (Stub::do_thumb16_special): New method declaration.
5096         (Stub::do_fixed_endian_write): New template member.
5097         (Reloc_stub::do_write): Remove.
5098         (Reloc_stub::do_fixed_endian_write): Remove.
5099         (Cortex_a8_stub): New class definition.
5100         (Stub_factory::make_cortex_a8_stub): New method definition.
5101         (Stub_factory::Stub_factory): Add missing static storage class
5102         qualifier for elf32_arm_stub_a8_veneer_blx.
5103
5104 2010-01-07  Ian Lance Taylor  <iant@google.com>
5105
5106         PR 10980
5107         * options.h (class General_options): Add --warn-unresolved-symbols
5108         and --error-unresolved-symbols.
5109         * errors.cc (Errors::undefined_symbol): Implement
5110         --warn-unresolved-symbols.
5111
5112         * options.h (class General_options): Add -z text and -z textoff.
5113         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5114
5115 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5116
5117         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5118         (Garbage_collection::cident_sections): New function.
5119         (Garbage_collection::add_cident_section): New function.
5120         (Garbage_collection::cident_sections_): New member.
5121         (gc_process_relocs): Add references to sections whose names are C
5122         identifiers.
5123         * gold.h (cident_section_start_prefix): New constant.
5124         (cident_section_stop_prefix): New constant.
5125         (is_cident): New function.
5126         * layout.cc (Layout::define_section_symbols): Replace string constants
5127         with the newly defined constants.
5128         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5129         C identifiers.
5130         * testsuite/Makefile.am: Add gc_orphan_section_test.
5131         * testsuite/Makefile.in: Regenerate.
5132         * testsuite/gc_orphan_section_test.cc: New file.
5133         * testsuite/gc_orphan_section_test.sh: New file.
5134
5135 2010-01-06  Ian Lance Taylor  <iant@google.com>
5136
5137         PR 10980
5138         * options.h (class General_options): Add --warn-shared-textrel.
5139         * layout.cc (Layout::finish_dynamic_section): Implement
5140         --warn-shared-textrel.
5141
5142         PR 10980
5143         * options.h (class General_options): Add --warn-multiple-gp.
5144
5145 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5146
5147         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5148         $(THREADSLIB) and $(LIBDL).
5149         * Makefile.in: Rebuild.
5150
5151 2010-01-06  Ian Lance Taylor  <iant@google.com>
5152
5153         PR 10980
5154         * options.cc (General_options::parse_section_start): New function.
5155         (General_options::section_start): New function.
5156         (General_options::General_options): Initialize all members.
5157         * options.h: Include <map>
5158         (class General_options): Add --section-start.  Add section_starts_
5159         member.
5160         * layout.cc (Layout::attach_allocated_section_to_segment): If
5161         --section-start was used, set the address of the segment.  Remove
5162         local sort_sections.
5163         (Layout::relaxation_loop_body): If the address of the load segment
5164         has been set by --section-start, don't use it.
5165         * output.h (Output_segment::update_flags_for_output_section): New
5166         function.
5167         * output.cc (Output_segment::add_output_section): Call
5168         update_flags_for_output_section.
5169
5170 2010-01-05  Ian Lance Taylor  <iant@google.com>
5171
5172         PR 10980
5173         * options.h (class General_options): Add --undefined-version.
5174         * script.cc (struct Version_expression): Add was_matched_by_symbol
5175         field.
5176         (Version_script_info::matched_symbol): New function.
5177         (Version_script_info::get_symbol_version_helper): Call
5178         matched_symbol.
5179         (Version_script_info::check_unmatched_names): New function.
5180         * script.h (class Version_script_info): Update declarations.
5181         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5182
5183         * options.h (class General_options): Use DEFINE_bool_alias for
5184         allow_multiple_definition.
5185         * resolve.cc (Symbol_table::should_override): Don't test
5186         allow_multiple_definition.
5187
5188         PR 10980
5189         * options.h (class General_options): Add --cref.
5190         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5191         until after printing cref table.
5192         * cref.cc: Include "symtab.h".
5193         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5194         (Cref_table_compare::operator()): New function.
5195         (Cref_inputs::gather_cref): New function.
5196         (filecol): New static const.
5197         (Cref_inputs::print_cref): New function.
5198         (Cref::print_cref): New function.
5199         * cref.h: Include <cstdio>.
5200         (class Cref): Update declarations.
5201         * mapfile.h (Mapfile::file): New function.
5202         * object.h (class Object): Define Symbols.  Declare virtual
5203         do_get_global_symbols.
5204         (Object::get_global_symbols): New function.
5205         * object.cc (Input_objects::add_object): Pass object to cref_ if
5206         --cref.
5207         (Input_objects::archive_start): Likewise.
5208         (Input_objects::archive_stop): Likewise.
5209         (Input_objects::print_cref): New function.
5210         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5211         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5212         --cref.
5213         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5214         function.
5215         * plugin.h (class Sized_pluginobj): Update declarations.
5216
5217 2010-01-05  Ian Lance Taylor  <iant@google.com>
5218
5219         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5220         to is_default_version.  Rename insdef to insdefault.
5221         (Symbol_table::add_from_relobj): Rename def to is_default_version
5222         and local to is_forced_local.
5223         (Symbol_table::add_from_pluginobj): Likewise.
5224         (Symbol_table::add_from_dynobj): Likewise.
5225         (Symbol_table::define_special_symbol): Rename insdef to
5226         insdefault.
5227
5228 2010-01-04  Ian Lance Taylor  <iant@google.com>
5229
5230         PR 10980
5231         * options.h (class General_options): Add
5232         --allow-multiple-definition and -z muldefs.
5233         * resolve.cc (Symbol_table::should_override): Don't warn about a
5234         multiple symbol definition if --allow-multiple-definition or -z
5235         muldefs.
5236
5237         PR 10980
5238         * options.h (class General_options): Add --add-needed and
5239         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5240         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5241         error if --copy-dt-needed-entries aka --add-needed is used and
5242         would cause a change in behaviour.
5243
5244         PR 10980
5245         * options.h (class General_options): Add -G as a short version of
5246         --shared.  Add no-op options -assert, -g, and -i.
5247
5248 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5249
5250         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5251         check for .text or .gnu.linkonce.t sections.
5252         * icf.cc (Icf::find_identical_sections): Ditto.
5253         Change the detection for mangled function name within the section
5254         name.
5255         * icf.h (is_section_foldable_candidate): New function.
5256
5257 2009-12-30  Ian Lance Taylor  <iant@google.com>
5258
5259         PR 10980
5260         * options.h (class General_options): Permit two dashes with
5261         --retain-symbols-file.
5262
5263 2009-12-30  Ian Lance Taylor  <iant@google.com>
5264
5265         PR 10979
5266         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5267         don't put the file header and segment headers in the text
5268         segment.
5269
5270         PR 10979
5271         * common.cc (Sort_commons::operator()): Stabilize sort when both
5272         entries are NULL.
5273         (Symbol_table::do_allocate_commons_list): When allocating common
5274         symbols, skip a symbol which is no longer common.
5275         * symtab.h (Symbol::is_common): Test whether the symbol comes from
5276         an object before checking its type.
5277         * testsuite/common_test_2.c: New file.
5278         * testsuite/common_test_3.c: New file.
5279         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5280         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5281         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5282         (common_test_2_pic.o, common_test_2.so): New targets.
5283         (common_test_3_pic.o, common_test_3.so): New targets.
5284         * testsuite/Makefile.in: Rebuild.
5285
5286         PR 10979
5287         * script.cc (read_input_script): If we see a new SECTIONS clause,
5288         and we have added an input section, give an error.
5289         * layout.h (class Layout): Add have_added_input_section function.
5290         Add have_added_input_section_ field.
5291         * layout.cc (Layout::Layout): Initialize
5292         have_added_input_section_.
5293         (Layout::layout): Set have_added_input_section_.
5294         (Layout::layout_eh_frame): Likewise.
5295
5296 2009-12-30  Ian Lance Taylor  <iant@google.com>
5297
5298         PR 10931
5299         * options.h (class General_options): Add --sort-common option.
5300         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5301         * common.cc (Sort_common): Add sort_order parameter to
5302         constructor.  Add sort_order_ field.
5303         (Sort_commons::operator): Check sort_order_.
5304         (Symbol_table::allocate_commons): Determine the sort order.
5305         (Symbol_table::do_allocate_commons): Add sort_order parameter.
5306         Change all callers.
5307         (Symbol_table::do_allocate_commons_list): Likewise.
5308
5309 2009-12-30  Ian Lance Taylor  <iant@google.com>
5310
5311         PR 10916
5312         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5313         symbols from this object, don't change the visibility of an
5314         undefined symbol.
5315         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5316
5317 2009-12-30  Ian Lance Taylor  <iant@google.com>
5318
5319         PR 10861
5320         * script.h (class Version_script_info): Define Language enum.
5321         Update declarations.  Define Glob, Exact, and Lookup types.  Add
5322         new fields globals_, locals_, and is_finalized_.
5323         * script.cc: Various formatting fixes.
5324         (class Parser_closure): Change language_stack_ from a vector of
5325         std::string to one of Version_script_info::Language.  Adjust all
5326         uses accordingly.
5327         (class Lazy_demangler): Remove.
5328         (struct Version_expression): Change language from std::string to
5329         Version_script_info::Language.
5330         (Version_script_info::Version_script_info): New function.
5331         (Version_script_info::~Version_script_info): Don't call clear.
5332         (Version_script_info::finalize): New function.
5333         (Version_script_info::build_lookup_tables): New function.
5334         (Version_script_info::build_expression_list_lookup): New
5335         function.
5336         (Version_script_info::get_symbol_version_helper): Rewrite to use
5337         lookup tables.
5338         (Version_script_info::print_expression_list): Adjust to use
5339         Version_script_info::Language.
5340         (script_push_lex_into_version_mode): Check that the version script
5341         has not been finalized.
5342         (version_script_push_lang): Change language string to
5343         Version_script_info::Language.
5344         * options.cc (Command_line::version_script): New function.
5345         * options.h (class General_options): Add finalize_dynamic_list
5346         function.  Change version_script from declaration to definition.
5347         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5348         * testsuite/version_script.map: Remove duplicate def of foo.
5349         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5350         version_script.map.
5351         * testsuite/Makefile.in: Rebuild.
5352
5353 2009-12-30  Ian Lance Taylor  <iant@google.com>
5354
5355         PR 10843
5356         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5357         if the input symbol index is 0, make the output symbol index 0.
5358
5359 2009-12-30  Ian Lance Taylor  <iant@google.com>
5360
5361         PR 10670
5362         * options.h (class General_options): Add -x/--discard-all.
5363         * object.cc (Sized_relobj::do_count_local_symbols): Handle
5364         --discard-all.  If the local symbol needs a dynamic entry, check
5365         that before handling --discard-locals.
5366
5367 2009-12-30  Ian Lance Taylor  <iant@google.com>
5368
5369         PR 10450
5370         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5371         flags to PF_R.
5372         (Output_segment::add_output_section): Don't change the flags if
5373         the type is PT_TLS.
5374
5375         PR 10450
5376         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5377         GNU hash table if they need a dynamic value.  Otherwise, don't add
5378         them if they are defined in a dynamic object or are forced local.
5379
5380 2009-12-29  Ian Lance Taylor  <iant@google.com>
5381
5382         PR 10450
5383         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5384         .gnu.hash table for a 32-bit target.
5385
5386         PR 10450
5387         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5388         regular and a dynamic object only needs a dynamic symbol table
5389         entry if it is externally visible.
5390
5391         PR 10450
5392         * i386.cc (class Target_i386): Initialize global_offset_table_ in
5393         constructor.  Add global_offset_table_ field.
5394         (Target_i386::got_section): Set global_offset_table_.
5395         (Target_i386::do_finalize_sections): Set global_offset_table_
5396         size.
5397         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5398         in constructor.  Add global_offset_table_ field.
5399         (Target_x86_64::got_section): Set global_offset_table_.
5400         (Target_x86_64::do_finalize_sections): Set global_offset_table_
5401         size.
5402
5403         * layout.cc (Layout::Layout): Initialize increase_relro_.
5404         (Layout::get_output_section): Add is_relro, is_last_relro, and
5405         is_first_non_relro parameters.  Change all callers.
5406         (Layout::choose_output_section): Likewise.
5407         (Layout::add_output_section_data): Likewise.
5408         (Layout::make_output_section): Likewise.
5409         (Layout::set_segment_offsets): Clear increase_relro when using a
5410         linker script.
5411         * layout.h (class Layout): Add increase_relro method.  Add
5412         increase_relro_ field.  Update declarations.
5413         * output.cc (Output_section::Output_section): Initialize
5414         is_last_relro_ and is_first_non_relro_.
5415         (Output_segment::add_output_section): Group relro sections is
5416         do_sort is true.  Handle is_last_relro and is_first_non_relro.
5417         (Output_segment::maximum_alignment): Remove relro handling.
5418         (Output_segment::set_section_addresses): Add increase_relro
5419         parameter.  Change all callers.  Add initial alignment to align
5420         relro sections on separate page.  Remove old relro handling.
5421         (Output_segment::set_section_list_addresses): Remove in_relro
5422         parameter.  Change all callers.
5423         (Output_segment::set_offset): Add increase parameter.  Change all
5424         callers.  Remove old relro handling.
5425         * output.h (class Output_section): Add new methods: is_last_relro,
5426         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5427         Add is_last_relro_ and is_first_non_relro_ fields.
5428         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5429         Create separate .got.plt section.  Call increase_relro.
5430         * x86_64.cc (Target_x86_64::got_section): Likewise.
5431         * testsuite/relro_script_test.t: Add .got.plt.
5432
5433         PR 10450
5434         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5435         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5436         (Layout::finalize): Call set_dynamic_symbol_size.
5437         (Layout::set_dynamic_symbol_size): New function.
5438         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
5439         set_dynamic_symbol_size.
5440
5441         PR 10450
5442         * output.h (class Output_section): Add is_entsize_zero_ field.
5443         * output.cc (Output_section::Output_section): Initialize
5444         is_entsize_zero_.
5445         (Output_section::set_entsize): If two different entsizes are
5446         requested, force it to zero.
5447         (Output_section::add_input_section): Set flags for .debug_str
5448         before updating section flags.  Set entsize.
5449         (Output_section::update_flags_for_input_section): Set SHF_MERGE
5450         and SHF_STRING if all input sections have those flags.
5451
5452 2009-12-29   Rafael Espindola  <espindola@google.com>
5453
5454         * main.cc (main): Fix the sys time reporting.
5455         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5456         reporting.
5457
5458 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
5459
5460         * options.cc (General_options::parse_version): Allow -v to exit
5461         without an error if there is nothing to link.
5462
5463 2009-12-29  Ian Lance Taylor  <iant@google.com>
5464
5465         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5466         using a version of gcc before 4.1.
5467         * configure: Rebuild.
5468
5469 2009-12-28  Chris Demetriou  <cgd@google.com>
5470
5471         * attributes.cc (Output_attributes_section_data::do_write): Use
5472         std::vector::front rather than std::vector::data.
5473
5474 2009-12-28  Ian Lance Taylor  <iant@google.com>
5475
5476         * symtab.h (class Symbol_table): Add enum Defined.
5477         * resolve.cc (Symbol_table::should_override): Add defined
5478         parameter.  Change all callers.  Test whether object is NULL
5479         before calling a method on it.
5480         (Symbol_table::report_resolve_problem): Add defined parameter.
5481         Change all callers.
5482         (Symbol_table::should_override_with_special): Likewise.
5483         * symtab.cc (Symbol_table::define_in_output_data): Add defined
5484         parameter.  Change all callers.
5485         (Symbol_table::do_define_in_output_data): Likewise.
5486         (Symbol_table::define_in_output_segment): Likewise.
5487         (Symbol_table::do_define_in_output_segment): Likewise.
5488         (Symbol_table::define_as_constant): Likewise.
5489         (Symbol_table::do_define_as_constant): Likewise.
5490         * script.h (class Symbol_assignment): Add is_defsym parameter to
5491         constructor; change all callers.
5492         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
5493         parameter.  Change all callers.  Add is_defsym_ field.
5494         (class Parser_closure): Add parsing_defsym parameter to
5495         constructor; change all callers.  Add parsing_defsym accessor
5496         function.  Add parsing_defsym_ field.
5497
5498 2009-12-28  Ian Lance Taylor  <iant@google.com>
5499
5500         * gold.cc (queue_middle_tasks): Fix formatting.
5501         * object.cc (Relobj::is_section_name_included): Likewise.
5502
5503 2009-12-23  Ian Lance Taylor  <iant@google.com>
5504
5505         * i386.cc (Target_i386::do_calls_non_split): Recognize
5506         -fsplit-stack prologue for a function with a static chain.
5507         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
5508         -fsplit-stack prologue when using %r11.
5509
5510 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
5511
5512         * options.cc (General_options::parse_version): Make -v continue and do
5513         the link like GNU ld does.
5514
5515 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
5516
5517         * Makefile.am (CCFILES): Add timer.cc.
5518         (HFILES): Add timer.h.
5519         * configure.ac: Check for sysconf and times.
5520         * main.cc: include timer.h.
5521         (main): Use Timer instead of get_run_time.
5522         * timer.cc: New.
5523         * timer.h: New.
5524         * workqueue.cc: include timer.h.
5525         (Workqueue::find_and_run_task):
5526         Report user, sys and wall time.
5527         * Makefile.in: Regenerate.
5528         * config.in: Regenerate.
5529         * configure: Regenerate.
5530
5531 2009-12-16  Doug Kwan  <dougkwan@google.com>
5532
5533         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
5534         sections.
5535         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
5536         relaxed input sections.
5537         * output.cc (Output_section::find_relaxed_input_section): Change
5538         return type to Output_relaxed_input_section pointer.  Adjust code
5539         for new type of relaxed_input_section_map_.
5540         * output.h (Output_section::find_relaxed_input_section): Change
5541         return type to Output_relaxed_input_section pointer.
5542         (Output_section::Output_relaxed_input_section_by_input_section_map):
5543         New type.
5544         (Output_section::relaxed_input_section_map_): Change type to
5545         Output_section::Output_relaxed_input_section_by_input_section_map.
5546         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
5547         input section.
5548
5549 2009-12-15  Ian Lance Taylor  <iant@google.com>
5550
5551         * layout.cc (Layout::create_shstrtab): Only write out after input
5552         sections if we are compressing debug sections.
5553
5554 2009-12-15  Ian Lance Taylor  <iant@google.com>
5555
5556         * archive.cc (Archive::add_symbols): Only look up a symbol without
5557         a version if there is, in fact, a version.
5558
5559 2009-12-14  Ian Lance Taylor  <iant@google.com>
5560
5561         Revert -Wshadow changes, all changes from:
5562         2009-12-11  Doug Kwan  <dougkwan@google.com>
5563         2009-12-11  Nick Clifton  <nickc@redhat.com>
5564         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
5565
5566 2009-12-11  Doug Kwan  <dougkwan@google.com>
5567
5568         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
5569         due to -Wshadow.
5570         * attributes.cc (Object_attribute::size): Ditto.
5571         (Attributes_section_data::size): Ditto.
5572         (Attributes_section_data::Attributes_section_data): Ditto.
5573         (Output_attributes_section_data::do_write): Ditto.
5574         * attributes.h (Object_attribute::set_type): Ditto.
5575         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
5576
5577 2009-12-11  Nick Clifton  <nickc@redhat.com>
5578
5579         * archive.cc: Fix shadowed variable warnings.
5580         * arm.cc: Likewise.
5581         * compressed_output.cc: Likewise.
5582         * compressed_output.h: Likewise.
5583         * configure: Likewise.
5584         * dwarf_reader.cc: Likewise.
5585         * dynobj.cc: Likewise.
5586         * dynobj.h: Likewise.
5587         * ehframe.cc: Likewise.
5588         * ehframe.h: Likewise.
5589         * errors.cc: Likewise.
5590         * expression.cc: Likewise.
5591         * fileread.cc: Likewise.
5592         * fileread.h: Likewise.
5593         * freebsd.h: Likewise.
5594         * i386.cc: Likewise.
5595         * icf.cc: Likewise.
5596         * incremental.h: Likewise.
5597         * layout.cc: Likewise.
5598         * layout.h: Likewise.
5599         * mapfile.cc: Likewise.
5600         * merge.cc: Likewise.
5601         * merge.h: Likewise.
5602         * object.cc: Likewise.
5603         * object.h: Likewise.
5604         * options.h: Likewise.
5605         * output.cc: Likewise.
5606         * output.h: Likewise.
5607         * parameters.cc: Likewise.
5608         * plugin.cc: Likewise.
5609         * powerpc.cc: Likewise.
5610         * reduced_debug_output.cc: Likewise.
5611         * reduced_debug_output.h: Likewise.
5612         * reloc.cc: Likewise.
5613         * reloc.h: Likewise.
5614         * resolve.cc: Likewise.
5615         * script-sections.cc: Likewise.
5616         * script.cc: Likewise.
5617         * script.h: Likewise.
5618         * sparc.cc: Likewise.
5619         * symtab.cc: Likewise.
5620         * symtab.h: Likewise.
5621         * target-select.cc: Likewise.
5622         * target-select.h: Likewise.
5623         * token.h: Likewise.
5624         * workqueue.cc: Likewise.
5625         * workqueue.h: Likewise.
5626         * x86_64.cc: Likewise.
5627
5628 2009-12-10  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm.cc (attributes.h): New include.
5631         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
5632         (Arm_relobj::~Arm_relobj): Delete object pointed by
5633         attributes_section_data_.
5634         (Arm_relobj::attributes_section_data): New method definition.
5635         (Arm_relobj::attributes_section_data_): New data member declaration.
5636         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5637         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5638         attributes_section_data_.
5639         (Arm_dynobj::attributes_section_data): New method definition.
5640         (Arm_dynobj::attributes_section_data_): New data member declaration.
5641         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5642         initialization value of may_use_blx_ to false.
5643         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5644         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5645         object attributes to compute results instead of hard-coding.
5646         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5647         Target_arm::get_secondary_compatible_arch,
5648         Target_arm::set_secondary_compatible_arch
5649         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5650         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5651         New method declarations.
5652         (Target_arm::get_aeabi_object_attribute): New method definition.
5653         (Target_arm::attributes_section_data_): New data member declaration.
5654         (read_arm_attributes_section): New template definition.
5655         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5656         (Arm_dynobj::do_read_symbols): Ditto.
5657         (Target_arm::do_finalize_sections): Merge attributes sections from
5658         input.  Check for BLX use after attributes section merging.
5659         Fix __exidx_start and __exidx_end visibility.  Create an
5660         .ARM.attributes section if necessary.
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         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5666         New method definitions.
5667
5668 2009-12-09  Ian Lance Taylor  <iant@google.com>
5669
5670         * plugin.cc (Plugin::load): Don't cast from void* to a function
5671         pointer.
5672
5673 2009-12-09  Ian Lance Taylor  <iant@google.com>
5674
5675         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5676         information fields.
5677
5678 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5679
5680         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5681         Replace two_file_shared_1.so with two_file_shared_2.so.
5682         * testsuite/Makefile.in: Regenerated.
5683
5684 2009-12-08  Doug Kwan  <dougkwan@google.com>
5685
5686         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5687         (HFILES): Add attributes.h and int_encoding.h.
5688         * Makefile.in: Regenerate.
5689         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5690         function definitions to int_encoding.cc
5691         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5692         prototypes to int_encoding.h
5693         * reduced_debug_output.cc (int_encoding.h): New include.
5694         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5695         function definitions to int_encoding.cc
5696         (insert_into_vector, read_from_pointer): Move template definitions to
5697         int_encoding.h
5698         * attributes.cc: New file.
5699         * attributes.h: New file.
5700         * int_encoding.cc: New file.
5701         * int_encoding.h: New file.
5702
5703 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5704
5705         PR gold/11055
5706         * incremental-dump.cc (dump_incremental_inputs): New.
5707         (main): Use dump_incremental_inputs.
5708
5709 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5710
5711         PR gold/10893
5712         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5713         checking elfcpp::STT_FUNC.
5714         (Target_i386::Relocate::relocate): Likewise.
5715         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5716
5717         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5718         symbols from shared libraries into normal FUNC symbols.
5719
5720         * symtab.h (Symbol): Add is_func and use it.
5721
5722 2009-12-05  Doug Kwan  <dougkwan@google.com>
5723
5724         * arm.cc (Target_arm::arm_info): Initialize new fields
5725         attributes_section and attributes_vendor.
5726         * i386.cc (Target_i386::i386_info): Same.
5727         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5728         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5729         fields attributes_section and attributes_vendor.
5730         * sparc.cc (Target_sparc::sparc_info): Same.
5731         * target.h (Target::attributes_section, Target::attributes_vendor,
5732         Target::is_attributes_section, Target::attribute_arg_type,
5733         Target::attributes_order): New method definitions.
5734         (Target::Target_info::attributes_section,
5735         Target::Target_info::attributes_vendor): New fields.
5736         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5737         virtual method definitions.
5738         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5739         attributes_section and attributes_vendor.
5740         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5741
5742 2009-12-05  Doug Kwan  <dougkwan@google.com>
5743
5744         * arm.cc: Update comments about interworking and stub generation.
5745         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5746         considered as non-PIC.
5747         (Arm_relocate_functions::base_abs): Fix formatting.
5748         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5749         of function to use GOT entry address instead of offset.
5750         (Target_arm::Scan::global): Issue an error if a symbol would need a
5751         PLT does not get one because it is untyped.  Remove code to create
5752         dynamic symbols for relative branches.
5753         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5754         takes unsigned integer instead of boolean.
5755
5756 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5757
5758         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5759         (two_file_test_LDADD): Likewise.
5760         (common_test_1_LDADD): Likewise.
5761         (exception_test_LDADD) Likewise.
5762         (weak_test_LDADD): Likewise.
5763         (many_sections_test_LDADD): Likewise.
5764         (initpri1_LDADD): Likewise.
5765         (script_test_1_LDADD): Likewise.
5766         (script_test_2_LDADD): Likewise.
5767         (justsyms_LDADD): Likewise.
5768         (binary_test_LDADD): Likewise.
5769         (large_LDADD): Likewise.
5770         * testsuite/Makefile.in: Regenerated.
5771
5772 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5773
5774         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5775         (Symbol_table::override_with_special): Likewise.
5776         (Symbol_table::add_from_object): Likewise.
5777
5778 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5779
5780         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5781         Don't set the data_offset twice.
5782
5783 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5784
5785         * testsuite/Makefile.in: Regenerate.
5786
5787 2009-12-03  Doug Kwan  <dougkwan@google.com>
5788
5789         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5790         (Target_arm::do_finalize_sections): Add parameter for symbol table
5791         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5792         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5793         parameter for symbol table pointer.
5794         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5795         an additional parameter for a pointer to symbol table.
5796         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5797         parameter for a symbol table pointer.
5798         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5799         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5800         Ditto.
5801         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5802         parameter for a symbol table pointer.
5803
5804 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5805
5806         * incremental.cc (Incremental_inputs_header)
5807         (Incremental_inputs_header_write, Incremental_inputs_entry)
5808         (Incremental_inputs_entry_write): Move ...
5809         * incremental.h (Incremental_inputs_header)
5810         (Incremental_inputs_header_write, Incremental_inputs_entry)
5811         (Incremental_inputs_entry_write): here.
5812
5813 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5814
5815         * incremental.cc (make_sized_incremental_binary): Set the target.
5816         Error if it is incompatible.
5817         * output.h (Output_file): Add filename method.
5818
5819 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5820
5821         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5822         from the get_* methods.
5823
5824 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5825
5826         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5827         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5828         Write 0 for the data_offset of scripts.
5829
5830 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5831
5832         * testsuite/Makefile.am: Add the incremental_test.sh test.
5833         * testsuite/incremental_test.sh: New.
5834         * testsuite/incremental_test_1.c: New.
5835         * testsuite/incremental_test_2.c: New.
5836
5837 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5838
5839        * incremental-dump.cc (main): Fix typos.
5840
5841 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5842
5843         PR gold/11025
5844         * incremental-dump.cc (main): Use llu to print 64 bit values.
5845
5846 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5847             H.J. Lu  <hongjiu.lu@intel.com>
5848
5849         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5850         $(LIBDL).
5851         (incremental_dump_LDADD): Likewise.
5852         * Makefile.in: Regenerated.
5853
5854 2009-11-25  Doug Kwan  <dougkwan@google.com>
5855
5856         Revert:
5857
5858         2009-11-25  Doug Kwan  <dougkwan@google.com>
5859
5860                 * arm.cc (Target_arm::Target_arm): Move method definition
5861                 outside of class definition.  Add code to handle
5862                 --target1-rel, --target1-abs and --target2= options.
5863                 (Target_arm::get_reloc_reloc_type): Change method to be
5864                 non-static and const.
5865                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5866                 New data member declaration.
5867                 (Target_arm::Scan::local, Target_arm::Scan::global,
5868                 Target_arm::Relocate::relocate,
5869                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5870                 Adjust call to Target_arm::get_real_reloc_type.
5871                 (Target_arm::get_real_reloc_type): Use command line options
5872                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5873                 * options.h (--target1-rel, --target1-abs, --target2): New
5874                 ARM-only options.
5875
5876 2009-11-25  Doug Kwan  <dougkwan@google.com>
5877
5878         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5879         class definition.  Add code to handle --target1-rel, --target1-abs
5880         and --target2= options.
5881         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5882         and const.
5883         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5884         member declaration.
5885         (Target_arm::Scan::local, Target_arm::Scan::global,
5886         Target_arm::Relocate::relocate,
5887         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5888         call to Target_arm::get_real_reloc_type.
5889         (Target_arm::get_real_reloc_type): Use command line options to
5890         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5891         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5892         options.
5893
5894 2009-11-25  Doug Kwan  <dougkwan@google.com>
5895
5896         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5897         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5898         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5899         formatting.
5900         (Arm_relocate_functions::thm_call): Replace body with a call to
5901         Arm_relocate_functions::thumb_branch_common.
5902         (Arm_relocate_functions::thm_jump24,
5903         Arm_relocate_functions::thm_xpc22): New method definitions.
5904         (Arm_relocate_functions::thumb_branch_common): New method definition.
5905         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5906         operator.
5907         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5908         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5909
5910 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5911
5912         * Makefile.am: Build incremental-dump
5913         * Makefile.in: Regenerate.
5914         * incremental-dump.cc: New.
5915         * incremental.cc (Incremental_inputs_header_data,
5916         Incremental_inputs_entry_data): Move to incremental.h
5917         * incremental.h: (Incremental_inputs_header_data,
5918         Incremental_inputs_entry_data): Move from incremental.cc
5919
5920 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5921
5922         * incremental.cc (Incremental_inputs_header,
5923         Incremental_inputs_header_write, Incremental_inputs_entry,
5924         Incremental_inputs_entry_write): Add a typedef with the data type.
5925
5926 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5927
5928         * incremental.cc (Incremental_inputs_header,
5929         Incremental_inputs_header_write, Incremental_inputs_entry,
5930         Incremental_inputs_entry_write): Update comment about which
5931         type has the filed descriptions.
5932
5933 2009-11-15  Doug Kwan  <dougkwan@google.com>
5934
5935         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5936         (Arm_relocate_functions::arm_branch_common): Change method defintion
5937         in class definition to a method declaration and update list of formal
5938         parameters.
5939         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5940         Arm_relocation_functions::jump24): Adjust call to
5941         Arm_relocate_functions::arm_branch_common.  Update list of formal
5942         parameters.
5943         (Arm_relocate_functions::xpc25): New method definition.
5944         (Arm_relocate_functions::arm_branch_common): Move method defintion
5945         out from class definition.  Use stubs for mode-switching and extending
5946         branch ranges.
5947         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5948         specially.  Change code to enable use of stubs in ARM branches.
5949
5950 2009-11-10  Doug Kwan  <dougkwan@google.com>
5951
5952         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5953         in method declaration.
5954         (Target_arm::relocate_stub): New method declaration.
5955         (Target_arm::default_target): Change to return a pointer instead of
5956         a const reference.
5957         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5958         Target_arm::default_target.
5959         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5960         method definition.
5961         (Target_arm::relocate_section): Adjust view.
5962         (Target_arm::relocate_stub): New method definition.
5963
5964 2009-11-10  Doug Kwan  <dougkwan@google.com>
5965
5966         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5967         a format warning.
5968         * incremental.cc (open_incremental_binary): Initialized local
5969         variables to avoid warnings.
5970         * object.cc (make_elf_object): Ditto.
5971         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5972         a format warning.
5973
5974 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5975
5976         PR gold/10930
5977         * testsuite/plugin_test.c: Include "config.h".
5978
5979 2009-11-09  Doug Kwan  <dougkwan@google.com>
5980
5981         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5982         (arm_symbol_value): Remove.
5983         (Arm_relocate_functions::arm_branch_common,
5984         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5985         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5986         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5987         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5988         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5989         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5990         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5991         Arm_relocate_functions::thm_mobw_abs_nc,
5992         Arm_relocate_functions::thm_mov_abs,
5993         Arm_relocate_functions::movw_prel_nc,
5994         Arm_relocate_functions::thm_movt_abs,
5995         Arm_relocate_functions::movt_prel,
5996         Arm_relocate_functions::thm_movw_prel_nc,
5997         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5998         (Target_arm::Relocate::relocate): Only decompose address into two
5999         parts if relocation type uses the thumb-bit and pass the actual
6000         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6001         calls to methods in Arm_relocate_functions for this change.
6002
6003 2009-11-08  Ian Lance Taylor  <iant@google.com>
6004
6005         PR 10925
6006         * reloc.cc: Instantiate
6007         Sized_relobj::initialize_input_to_output_maps and
6008         Sized_relobj:free_input_to_output_maps.
6009
6010 2009-11-06  Ian Lance Taylor  <iant@google.com>
6011
6012         PR 10876
6013         * defstd.cc (in_segment): Set only_if_ref true for "end".
6014
6015 2009-11-06  Doug Kwan  <dougkwan@google.com>
6016
6017         * arm.cc (class Reloc_stub): Correct a comment.
6018         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6019         (Target_arm::scan_section_for_stubs): New method declaration.
6020         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6021         Change methods from private to protected.
6022         (Target_arm::do_may_relax): New method definition.
6023         (Target_arm::do_relax, Target_arm::group_sections,
6024         Target_arm::scan_reloc_for_stub,
6025         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6026         (Target_arm::arm_input_section_map_): New data member declaration.
6027         (Target_arm::scan_reloc_for_stub,
6028         Target_arm::scan_reloc_section_for_stubs,
6029         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6030         Target_arm::do_relax): New method definitions.
6031
6032 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6033
6034         * configure.ac: Check for (struct stat)::st_mtim
6035         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6036         * config.in: Regenerate.
6037         * configure: Regenerate.
6038
6039 2009-11-05  Ian Lance Taylor  <iant@google.com>
6040
6041         PR 10910
6042         * output.cc (Output_segment::add_output_section): Add missing
6043         return statement.
6044
6045 2009-11-04  Ian Lance Taylor  <iant@google.com>
6046
6047         PR 10880
6048         * object.h (class Object): Add is_needed and set_is_needed
6049         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6050         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6051         defined in a dynamic object and referenced by a regular object,
6052         set is_needed for the dynamic object.
6053         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6054         if the file is marked with as_needed and it is not needed.
6055
6056 2009-11-04  Ian Lance Taylor  <iant@google.com>
6057
6058         PR 10887
6059         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6060         tags if data is discarded by linker script.
6061         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6062         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6063         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6064         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6065
6066 2009-11-04  Ian Lance Taylor  <iant@google.com>
6067
6068         * layout.cc (Layout::get_output_section): Add is_interp and
6069         is_dynamic_linker_section parameters.  Change all callers.
6070         (Layout::choose_output_section): Likewise.
6071         (Layout::make_output_section): Likewise.
6072         (Layout::add_output_section_data): Add is_dynamic_linker_section
6073         parameter.  Change all callers.
6074         * layout.h (class Layout): Update declarations.
6075         * output.h (class Output_section): Add is_interp, set_is_interp,
6076         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6077         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6078         generate_code_fills_at_write_ to a bitfield.
6079         * output.cc (Output_section::Output_sections): Initialize new
6080         fields.
6081         (Output_segment::add_output_section): Add do_sort parameter.
6082         Change all callers.
6083
6084 2009-11-03  Ian Lance Taylor  <iant@google.com>
6085
6086         PR 10860
6087         * options.h (class General_options): Add --warn-common.
6088         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6089         merging two common symbols.
6090         (Symbol_table::should_override): Handle --warn-common when merging
6091         a common symbol with a defined symbol.  Use report_resolve_problem
6092         for multiple definitions.
6093         (Symbol_table::report_resolve_problem): New function.
6094         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6095
6096 2009-11-03  Doug Kwan  <dougkwan@google.com>
6097
6098         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6099         stub_factory_.
6100         (Target_arm::stub_factory): New method definition.
6101         (Target_arm::new_arm_input_section,
6102         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6103         Target_arm::reloc_uses_thumb_bit): New method declarations.
6104         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6105         New type definitions.
6106         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6107         member declarations.
6108         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6109         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6110         New method definitions.
6111
6112 2009-11-03  Ian Lance Taylor  <iant@google.com>
6113
6114         * options.h (class General_options): Add --warn_constructors.
6115
6116 2009-11-03  Ian Lance Taylor  <iant@google.com>
6117
6118         PR 10893
6119         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6120         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6121
6122 2009-11-03  Ian Lance Taylor  <iant@google.com>
6123
6124         PR 10895
6125         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6126         --msgid-bugs-address.
6127         (install-pdf): New target.
6128         (install-data_yes): Look up one directory to find mkinstalldirs.
6129
6130 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6131
6132         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6133         tree.
6134
6135 2009-10-30  Doug Kwan  <dougkwan@google.com>
6136
6137         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6138
6139 2009-10-30  Doug Kwan  <dougkwan@google.com>
6140
6141         * arm.cc (Stub_addend_reader): New struct template definition
6142         and partial specializations.
6143         (Stub_addend_reader::operator()): New method definition for a
6144         partially specialized template.
6145
6146 2009-10-30  Doug Kwan  <dougkwan@google.com>
6147
6148         * arm.cc (Arm_relobj::processor_specific_flags): New method
6149         definition.
6150         (Arm_relobj::do_read_symbols): New method declaration.
6151         (Arm_relobj::processor_specific_flags_): New data member declaration.
6152         (Arm_dynobj): New class definition.
6153         (Target_arm::do_finalize_sections): Add input_objects parameter.
6154         (Target_arm::do_adjust_elf_header): New method declaration.
6155         (Target_arm::are_eabi_versions_compatible,
6156         (Target_arm::merge_processor_specific_flags): New method declaration.
6157         (Target_arm::do_make_elf_object): New overloaded method definitions
6158         and declaration.
6159         (Arm_relobj::do_read_symbols): New method definition.
6160         (Arm_dynobj::do_read_symbols): Ditto.
6161         (Target_arm::do_finalize_sections): Add input_objects parameters.
6162         Merge processor-specific flags from all input objects.
6163         (Target_arm::are_eabi_versions_compatible,
6164         Target_arm::merge_processor_specific_flags,
6165         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6166         New method definitions.
6167         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6168         Input_objects pointer type parameter.
6169         * layout.cc (Layout::finalize): Pass input objects to target's.
6170         finalize_sections function.
6171         * output.cc (Output_file_header::do_sized_write): Set ELF file
6172         header's processor-specific flags.
6173         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6174         Input_objects pointer type parameter.
6175         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6176         * target.h (Input_objects): New forward class declaration.
6177         (Target::processor_specific_flags,
6178         Target::are_processor_specific_flags_sect): New method definitions.
6179         (Target::finalize_sections): Add input_objects parameter.
6180         (Target::Target): Initialize processor_specific_flags_ and
6181         are_processor_specific_flags_set_.
6182         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6183         parameter.
6184         (Target::set_processor_specific_flags): New method definition.
6185         (Target::processor_specific_flags_,
6186         Target::are_processor_specific_flags_set_): New data member
6187         declarations.
6188         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6189         Input_objects pointer type parameter.
6190
6191 2009-10-30  Doug Kwan  <dougkwan@google.com>
6192
6193         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6194
6195 2009-10-28  Ian Lance Taylor  <iant@google.com>
6196
6197         * object.h (class Relobj): Drop options parameter from
6198         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6199         do_scan_relocs, do_relocate.  Change all callers.
6200         (class Sized_relobj): Drop options parameters from
6201         do_gc_process_relocs, do_scan_relocs, do_relocate,
6202         do_relocate_sections, relocate_sections, emit_relocs_scan,
6203         emit_relocs_scan_reltype.  Change all callers.
6204         (struct Relocate_info): Remove options field and all references to
6205         it.
6206         * reloc.h (class Read_relocs): Remove options constructor
6207         parameter and options_ field.  Change all callers.
6208         (class Gc_process_relocs, class Scan_relocs): Likewise.
6209         (class Relocate_task): Likewise.
6210         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6211         all callers.
6212         (scan_relocatable_relocs): Likewise.
6213         * target.h (class Sized_target): Remove options parameter from
6214         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6215         all callers.
6216         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6217         callers.
6218         * arm.cc: Update functions to remove options parameters.
6219         * i386.cc: Likewise.
6220         * powerpc.cc: Likewise.
6221         * sparc.cc: Likewise.
6222         * x86_64.cc: Likewise.
6223         * testsuite/testfile.cc: Likewise.
6224
6225 2009-10-28  Doug Kwan  <dougkwan@google.com>
6226
6227         * arm.cc (Arm_relobj): New class definition.
6228         (Arm_relobj::scan_sections_for_stubs,
6229         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6230         New method definitions.
6231
6232 2009-10-28  Cary Coutant  <ccoutant@google.com>
6233
6234         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6235         (Plugin::cleanup_done_): New member.
6236         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6237         (Plugin_manager::cleanup_done_): Remove.
6238         (Plugin_manager::add_input_file): Edit error message.
6239         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6240         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6241
6242 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6243
6244         * fileread.cc: (File_read::View::~View): Use the new
6245         data_ownership_ filed.
6246         (File_read::~File_read): Dispose the new whole_file_view_.
6247         (File_read::open): Mmap the whole file if needed.
6248         (File_read::open): Use whole_file_view_ instead of contents_.
6249         (File_read::find_view): Use whole_file_view_ if applicable.
6250         (File_read::do_read): Use whole_file_view_ instead of contents_.
6251         (File_read::make_view): Use whole_file_view_ instead of contents_,
6252         update File_read::View::View call.
6253         (File_read::find_or_make_view): Update File_read::View::View
6254         call.
6255         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6256         remove contents_
6257         (File_read::View::Data_ownership): New enum.
6258         (File_read::View::View): Replace bool mapped_ with Data_ownership
6259         argument.
6260         (File_read::View::mapped_): Remove (replaced by data_ownership_).
6261         (File_read::View::data_ownership_): New field.
6262         (File_read::contents_): Remove (replaced by whole_file_view_).
6263         (File_read::whole_file_view_): New field.
6264         * options.h (class General_options): Add --keep-files-mapped.
6265
6266 2009-10-27  Cary Coutant  <ccoutant@google.com>
6267
6268         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6269         * testsuite/Makefile.am (plugin_test_5): New test case.
6270         * testsuite/Makefile.in: Regenerate.
6271
6272 2009-10-25  Doug Kwan  <dougkwan@google.com>
6273
6274         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6275         from private to protected to allow access by child class.
6276         (Sized_relobj::do_relocate_sections): New method declaration.
6277         (Sized_relobj::relocate_sections): Virtualize.
6278         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
6279         Sized_relobj::relocate_sections.  Instantiate template explicitly
6280         for different target sizes and endianity.
6281
6282 2009-10-24  Doug Kwan  <dougkwan@google.com>
6283
6284         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6285         (Arm_input_section::as_arm_input_section): New method.
6286         (Arm_output_section): New class definition.
6287         (Arm_output_section::create_stub_group,
6288         Arm_output_section::group_sections): New method definitions.
6289
6290 2009-10-22  Doug Kwan  <dougkwan@google.com>
6291
6292         * arm.cc (Arm_input_section): New class definition.
6293         (Arm_input_section::init, Arm_input_section:do_write,
6294         Arm_input_section::set_final_data_size,
6295         Arm_input_section::do_reset_address_and_file_offset): New method
6296         definitions.
6297
6298 2009-10-21  Doug Kwan  <dougkwan@google.com>
6299
6300         * arm.cc (Stub_table, Arm_input_section): New forward class
6301         declarations.
6302         (Stub_table): New class defintion.
6303         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6304         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6305         New method definition.
6306
6307 2009-10-21  Doug Kwan  <dougkwan@google.com>
6308
6309         * arm.cc: Update copyright comments.
6310         (Target_arm): New forward class template declaration.
6311         (Arm_address): New type.
6312         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6313         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6314         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6315         constants.
6316         (Insn_template): Same.
6317         (DEF_STUBS): New macro.
6318         (Stub_type): New enum type.
6319         (Stub_template): New class definition.
6320         (Stub): Same.
6321         (Reloc_stub): Same.
6322         (Stub_factory): Same.
6323         (Target_arm::Target_arm): Initialize may_use_blx_ and
6324         should_force_pic_veneer_.
6325         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6326         Target_arm::should_force_pic_veneer,
6327         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6328         Target_arm::using_thumb_only, Target_arm:;default_target): New
6329         method defintions.
6330         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6331         New data member declarations.
6332         (Insn_template::size, Insn_template::alignment): New method defintions.
6333         (Stub_template::Stub_template): New method definition.
6334         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6335         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6336         (Stub_factory::Stub_factory): New method definition.
6337         * gold.h (string_hash): New template.
6338         * output.h (Input_section_specifier::hash_value): Use
6339         gold::string_hash.
6340         (Input_section_specifier::string_hash): Remove.
6341         * stringpool.cc (Stringpool_template::string_hash): Use
6342         gold::string_hash.
6343
6344 2009-10-20  Doug Kwan  <dougkwan@google.com>
6345
6346         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6347         symbols of relaxed input sections.
6348         * output.h (Output_section::find_relaxed_input_section): Make
6349         method public.
6350
6351 2009-10-16  Doug Kwan  <dougkwan@google.com>
6352
6353         * dynobj.cc (Versions::Versions): Initialize version_script_.
6354         Only insert base version symbol definition for a shared object
6355         if version script defines any version versions.
6356         (Versions::define_base_version): New method definition.
6357         (Versions::add_def): Check that base version is not needed.
6358         (Versions::add_need): Define base version lazily.
6359         * dynobj.h (Versions::define_base_version): New method declaration.
6360         (Versions::needs_base_version_): New data member declaration.
6361         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6362         (check_DATA): Add no_version_test.stdout.
6363         (libno_version_test.so, no_version_test.o no_version_test.stdout):
6364         New make rules.
6365         * testsuite/Makefile.in: Regenerate.
6366         * testsuite/no_version_test.c: New file.
6367         * testsuite/no_version_test.sh: Ditto.
6368
6369 2009-10-16  Doug Kwan  <dougkwan@google.com>
6370
6371         * expression.cc (class Segment_start_expression): New class definition.
6372         (Segment_start_expression::value): New method definition.
6373         (script_exp_function_segment_start): Return a new
6374         Segment_start_expression.
6375         * gold/script-c.h (script_saw_segment_start_expression): New function
6376         prototype.
6377         * script-sections.cc (Script_sections::Script_sections): Initialize
6378         SAW_SEGMENT_START_EXPRESSION_ to false.
6379         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6380         and -Tbbs options to specify section addresses if given in
6381         command line and no SEGMENT_START expression is seen in a script.
6382         * script-sections.h (Script_sections::saw_segment_start_expression,
6383         Script_sections::set_saw_segment_start_expression): New method
6384         definition.
6385         (Script_sections::saw_segment_start_expression_): New data member
6386         declaration.
6387         * script.cc (script_saw_segment_start_expression): New function.
6388         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6389         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6390         script_test_7.sh and script_test_8.sh.
6391         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6392         script_test_8.stdout.
6393         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6394         (script_test_6, script_test_6.stdout, script_test_7,
6395         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6396         * Makefile.in: Regenerate.
6397         * testsuite/script_test_6.sh: New file.
6398         * testsuite/script_test_6.t: Same.
6399         * testsuite/script_test_7.sh: Same.
6400         * testsuite/script_test_7.t: Same.
6401         * testsuite/script_test_8.sh: Same.
6402
6403 2009-10-16  Doug Kwan  <dougkwan@google.com>
6404
6405         * output.cc (Output_segment::set_section_list_address): Cast
6406         expressions to unsigned long long type to avoid format warnings.
6407
6408 2009-10-15  Ian Lance Taylor  <iant@google.com>
6409
6410         * script.cc (Script_options::add_symbol_assignment): Always add a
6411         dot assignment to script_sections_.
6412         * script-sections.cc (Script_sections::add_dot_assignment):
6413         Initialize if necessary.
6414
6415         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6416         program headers with no load segment if there is a linker script.
6417
6418         * layout.cc (Layout::set_segment_offsets): Align the file offset
6419         to the segment aligment for -N or -n with no load segment.
6420         * output.cc (Output_segment::add_output_section): Don't crash if
6421         the first section is a TLS section.
6422         (Output_segment::set_section_list_addresses): Print an error
6423         message if the address moves backward in a linker script.
6424         * script-sections.cc
6425         (Output_section_element_input::set_section_addresses): Don't
6426         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6427         (Orphan_output_section::set_section_addresses): Likewise.
6428
6429 2009-10-15  Doug Kwan  <dougkwan@google.com>
6430
6431         * layout.cc (Layout::finish_dynamic_section): Generate tags
6432         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6433         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6434         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6435
6436 2009-10-14  Ian Lance Taylor  <iant@google.com>
6437
6438         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6439         fields.
6440         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6441         data_shdr fields of relinfo.
6442         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6443         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
6444         R_386_TLS_LDO_32, adjust based on section flags.
6445         (Target_i386::Relocate::fix_up_ldo): Remove.
6446
6447 2009-10-13  Ian Lance Taylor  <iant@google.com>
6448
6449         Add support for -pie.
6450         * options.h (class General_options): Add -pie and
6451         --pic-executable.
6452         (General_options::output_is_position_independent): Test -pie.
6453         (General_options::output_is_executable): Return true if not shared
6454         and not relocatable.
6455         (General_options::output_is_pie): Remove.
6456         * options.cc (General_options::finalize): Reject incompatible uses
6457         of -pie.
6458         * gold.cc (queue_middle_tasks): A -pie link is not static.
6459         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6460         * symtab.cc (Symbol::final_value_is_known): Return false if
6461         output_is_position_independent.
6462         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6463         output_is_position_independent.
6464         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6465         output_is_position_independent.
6466         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6467         output_is_position_independent.
6468         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6469         two_file_pie_test.
6470         (basic_pie_test.o, basic_pie_test): New targets.
6471         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
6472         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
6473         (two_file_pie_test): New target.
6474         * testsuite/Makefile.in: Rebuild.
6475         * README: Remove note saying that -pie is not supported.
6476
6477 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
6478
6479         * options.h (class General_options): Add -init and -fini.
6480         * layout.cc (Layout::finish_dynamic_section): Emit
6481         given init and fini functions.
6482
6483 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
6484
6485         * gc.h (gc_process_relocs): Check if icf is enabled using new
6486         function.
6487         * gold.cc (queue_initial_tasks): Likewise.
6488         (queue_middle_tasks): Likewise.
6489         * object.cc (do_layout): Likewise.
6490         * symtab.cc (is_section_folded): Likewise.
6491         * main.cc (main): Likewise.
6492         * reloc.cc (Read_relocs::run): Likewise.
6493         (Sized_relobj::do_scan_relocs): Likewise.
6494         * icf.cc (is_function_ctor_or_dtor): New function.
6495         (Icf::find_identical_sections): Check if function is ctor or dtor when
6496         safe icf is chosen.
6497         * options.h (General_options::icf): Change option to be an enum.
6498         (Icf_status): New enum.
6499         (icf_enabled): New method.
6500         (icf_safe_folding): New method.
6501         (set_icf_status): New method.
6502         (icf_status_): New variable.
6503         * (options.cc) (General_options::finalize): Set icf_status_.
6504         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
6505         icf_test and icf_keep_unique_test to use the --icf enum flag.
6506         * testsuite/icf_safe_test.sh: New file.
6507         * testsuite/icf_safe_test.cc: New file.
6508
6509 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
6510
6511         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
6512         includes to gc.h and icf.h.
6513         * arm.cc: Include gc.h.
6514         * gold.cc: Likewise.
6515         * i386.cc: Likewise.
6516         * powerpc.cc: Likewise.
6517         * sparc.cc: Likewise.
6518         * x86_64.cc: Likewise.
6519         * gc.h: Include icf.h.
6520
6521 2009-10-11  Ian Lance Taylor  <iant@google.com>
6522
6523         * plugin.cc: Include "gold.h" before other header files.
6524
6525 2009-10-10  Chris Demetriou  <cgd@google.com>
6526
6527         * options.h (Input_file_argument::Input_file_type): New enum.
6528         (Input_file_argument::is_lib_): Replace with...
6529         (Input_file_argument::type_): New member.
6530         (Input_file_argument::Input_file_argument): Take Input_file_type
6531         'type' rather than boolean 'is_lib' as second argument.
6532         (Input_file_argument::is_lib): Use type_.
6533         (Input_file_argument::is_searched_file): New function.
6534         (Input_file_argument::may_need_search): Handle is_searched_file.
6535         * options.cc (General_options::parse_library): Support -l:filename.
6536         (General_options::parse_just_symbols): Update for Input_file_argument
6537         changes.
6538         (Command_line::process): Likewise.
6539         * archive.cc (Archive::get_file_and_offset): Likewise.
6540         * plugin.cc (Plugin_manager::release_input_file): Likewise.
6541         * script.cc (read_script_file, script_add_file): Likewise.
6542         * fileread.cc (Input_file::Input_file): Likewise.
6543         (Input_file::will_search_for): Handle is_searched_file.
6544         (Input_file::open): Likewise.
6545         * readsyms.cc (Read_symbols::get_name): Likewise.
6546         * testsuite/Makefile.am (searched_file_test): New test.
6547         * testsuite/Makefile.in: Regenerate.
6548         * testsuite/searched_file_test.cc: New file.
6549         * testsuite/searched_file_test_lib.cc: New file.
6550
6551 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6552             Ian Lance Taylor  <iant@google.com>
6553
6554         * descriptor.cc: Include <cstdio> and "binary-io.h".
6555         (Descriptors::open): Open the files in binary mode always.
6556         * script.cc (Lex::get_token): Treat \r as whitespace.
6557
6558 2009-10-09  Ian Lance Taylor  <iant@google.com>
6559
6560         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
6561
6562 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6563             Ian Lance Taylor  <iant@google.com>
6564
6565         * configure.ac: Check for readv function also.
6566         * fileread.cc (readv): Define if not HAVE_READV.
6567         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
6568         does not exist.
6569         * config.in: Regenerate.
6570         * configure: Regenerate.
6571
6572 2009-10-09  Doug Kwan  <dougkwan@google.com>
6573
6574         * layout.cc (Layout::make_output_section): Call target hook to make
6575         ordinary output section.
6576         (Layout::finalize): Adjust parameter list of call the
6577         Target::may_relax().
6578         * layout.h (class Layout::section_list): New method.
6579         * merge.h (Output_merge_base::entsize): Change visibility to public.
6580         (Output_merge_base::is_string, Output_merge_base::do_is_string):
6581         New methods.
6582         (Output_merge_string::do_is_string): New method.
6583         * object.cc (Sized_relobj::do_setup): renamed from
6584         Sized_relobj::set_up.
6585         * object.h (Sized_relobj::adjust_shndx,
6586         Sized_relobj::initializ_input_to_output_maps,
6587         Sized_relobj::free_input_to_output_maps): Change visibilities to
6588         protected.
6589         (Sized_relobj::setup): Virtualize.
6590         (Sized_relobj::do_setup): New method declaration.
6591         (Sized_relobj::invalidate_section_offset,
6592         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
6593         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
6594         * options.cc (parse_int): New function.
6595         * options.h (parse_int): New declaration.
6596         (DEFINE_int): New macro.
6597         (stub_group_size): New option.
6598         * output.cc (Output_section::Output_section): Initialize memebers
6599         merge_section_map_, merge_section_by_properties_map_,
6600         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
6601         (Output_section::add_input_section): Handled deferred code-fill
6602         generation and remove an old comment.
6603         (Output_section::add_relaxed_input_section): New method definition.
6604         (Output_section::add_merge_input_section): Use merge section by
6605         properties map to speed to search.  Update merge section maps
6606         as appropriate.
6607         (Output_section::build_relaxation_map): New method definition.
6608         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6609         Same.
6610         (Output_section::relax_input_section): Renamed to
6611         Output_section::convert_input_sections_to_relaxed_sections and change
6612         interface to take a vector of pointers to relaxed sections.
6613         (Output_section::find_merge_section,
6614         Output_section::find_relaxed_input_section): New method definitions.
6615         (Output_section::is_input_address_mapped,
6616         Output_section::output_offset, Output_section::output_address):
6617         Use output section data maps to speed up searching.
6618         (Output_section::find_starting_output_address): Add comments.
6619         (Output_section::do_write,
6620         Output_section::write_to_postprocessing_buffer): Do code-fill
6621         generation as appropriate.
6622         (Output_section::get_input_sections): Invalidate relaxed input section
6623         map.
6624         (Output_section::restore_states): Adjust type of checkpoint .
6625         Invalidate relaxed input section map.
6626         * output.h (Output_merge_base): New class declaration.
6627         (Input_section_specifier): New class defintion.
6628         (class Output_relaxed_input_section) Change base class to
6629         Output_section_data_build.
6630         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
6631         base class initializer.
6632         (Output_section::add_relaxed_input_section): New method declaration.
6633         (Output_section::Input_section): Change visibility to protected.
6634         (Output_section::Input_section::relobj,
6635         Output_section::Input_section::shndx): Handle relaxed input sections.
6636         Output_section::input_sections) Change visibility to protected.  Also
6637         define overload to return a non-const pointer.
6638         (Output_section::Merge_section_properties): New class defintion.
6639         (Output_section::Merge_section_by_properties_map,
6640         Output_section::Output_section_data_by_input_section_map,
6641         Output_section::Relaxation_map): New types.
6642         (Output_section::relax_input_section): Rename method to
6643         Output_section::convert_input_sections_to_relaxed_sections and change
6644         interface to take a vector of relaxed section pointers.
6645         (Output_section::find_merge_section,
6646         Output_section::find_relaxed_input_section,
6647         Output_section::build_relaxation_map,
6648         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6649         New method declarations.
6650         (Output_section::merge_section_map_
6651         Output_section::merge_section_by_properties_map_,
6652         Output_section::relaxed_input_section_map_,
6653         Output_section::is_relaxed_input_section_map_valid_,
6654         Output_section::generate_code_fills_at_write_): New data members.
6655         * script-sections.cc
6656         (Output_section_element_input::set_section_addresses): Call
6657         current_data_size and addralign methods of relaxed input sections.
6658         (Orphan_output_section::set_section_addresses): Call current_data_size
6659         and addralign methods of relaxed input sections.
6660         * symtab.cc (Symbol_table::compute_final_value): Extract template
6661         from the body of Symbol_table::sized_finalize_symbol.
6662         (Symbol_table::sized_finalized_symbol): Call
6663         Symbol_table::compute_final_value.
6664         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6665         (Symbol_table::compute_final_value): New templated method declaration.
6666         * target.cc (Target::do_make_output_section): New method defintion.
6667         * target.h (Target::make_output_section): New method declaration.
6668         (Target::relax): Add more parameters for input objects, symbol table
6669         and layout.  Adjust call to do_relax.
6670         (Target::do_make_output_section): New method declaration.
6671         (Target::do_relax): Add parameters for input objects, symbol table
6672         and layout.
6673
6674 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6675
6676         * pread.c: Include stdio.h.
6677
6678 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6679
6680         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6681         defined.
6682
6683 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6684
6685         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6686         Change read_shndx type to unsigned int.
6687         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6688         int.
6689         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6690         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6691         Change read_shndx type to unsigned int.
6692         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6693         int.
6694         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6695         * layout.cc (Layout::create_symtab_sections): Cast the result of
6696         local_symcount * symsize to off_t in the gold_assert.
6697
6698 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6699
6700         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6701         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6702         R_ARM_BASE_ABS.
6703         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6704         (Arm_relocate_functions::thm_abs5): New function.
6705         (Arm_relocate_functions::abs12): New function.
6706         (Arm_relocate_functions::abs16): New function.
6707         (Arm_relocate_functions::base_abs): New function.
6708         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6709         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6710         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6711         R_ARM_BASE_ABS.
6712         (Scan::global): Likewise.
6713         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6714         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6715         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6716         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6717         R_ARM_BASE_ABS.
6718
6719 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6720
6721         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6722         (Arm_relocate_functions::movt_prel): New function.
6723         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6724         (Arm_relocate_functions::thm_movt_prel): New function.
6725         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6726         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6727         (Scan::global, Relocate::relocate): Likewise.
6728         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6729
6730 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6731
6732         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6733         Incremental_checker.
6734         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6735         unsigned int.
6736         (class Incremental_inputs_header): New class.
6737         (Incremental_inputs_header_writer): Edit comment.
6738         (Incremental_inputs_entry): New class.
6739         (Incremental_inputs_entry_writer): Edit comment.
6740         (Sized_incremental_binary::do_find_incremental_inputs_section):
6741         Add *strtab_shndx parameter, fill it.
6742         (Sized_incremental_binary::do_check_inputs): New method.
6743         (Incremental_checker::can_incrementally_link_output_file): Use
6744         Sized_incremental_binary::check_inputs.
6745         (Incremental_inputs::report_command_line): Save command line in
6746         command_line_.
6747         * incremental.h:
6748         (Incremental_binary::find_incremental_inputs_section): New
6749         method.
6750         (Incremental_binary::do_find_incremental_inputs_section): Add
6751         strtab_shndx parameter.
6752         (Incremental_binary::do_check_inputs): New pure virtual method.
6753         (Sized_incremental_binary::do_check_inputs): Declare.
6754         (Incremental_checker::Incremental_checker): Add incremental_inputs
6755         parameter, use it to initialize incremental_inputs_.
6756         (Incremental_checker::incremental_inputs_): New field.
6757         (Incremental_checker::command_line): New method.
6758         (Incremental_checker::inputs): New method.
6759         (Incremental_checker::command_line_): New field.
6760
6761 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6762
6763         * incremental.cc: Include <cstdarg> and "target-select.h".
6764         (vexplain_no_incremental): New function.
6765         (explain_no_incremental): New function.
6766         (Incremental_binary::error): New method.
6767         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6768         method.
6769         (make_sized_incremental_binary): New function.
6770         (open_incremental_binary): New function.
6771         (can_incrementally_link_file): Add checks if output is ELF and has
6772         inputs section.
6773         * incremental.h: Include "elfcpp_file.h" and "output.h".
6774         (Incremental_binary): New class.
6775         (Sized_incremental_binary): New class.
6776         (open_incremental_binary): Declare.
6777         * object.cc (is_elf_object): Use
6778         elfcpp::Elf_recognizer::is_elf_file.
6779         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6780         * output.h (Output_file::filesize): New method.
6781
6782 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6783
6784         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6785         New function.
6786         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6787         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6788         function.
6789         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6790         function.
6791         (Arm_relocate_functions::movw_abs_nc): New function.
6792         (Arm_relocate_functions::movt_abs): New function.
6793         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6794         (Arm_relocate_functions::thm_movt_abs): New function.
6795         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6796         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6797         (Scan::global): Likewise.
6798         (Relocate::relocate): Likewise.
6799         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6800
6801 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6802
6803         * arm.cc (Arm_relocate_functions::got_prel) New function.
6804         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6805         (Relocate::relocate): Likewise.
6806         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6807
6808 2009-10-06  Ian Lance Taylor  <iant@google.com>
6809
6810         * options.h (class General_options): Define
6811         split_stack_adjust_size parameter.
6812         * object.h (class Object): Add uses_split_stack_ and
6813         has_no_split_stack_ fields.  Add uses_split_stack and
6814         has_no_split_stack accessor functions.  Declare
6815         handle_split_stack_section.
6816         (class Reloc_symbol_changes): Define.
6817         (class Sized_relobj): Define Function_offsets.  Declare
6818         split_stack_adjust, split_stack_adjust_reltype, and
6819         find_functions.
6820         * object.cc (Object::handle_split_stack_section): New function.
6821         (Sized_relobj::do_layout): Call handle_split_stack_section.
6822         * dynobj.cc (Sized_dynobj::do_layout): Call
6823         handle_split_stack_section.
6824         * reloc.cc (Sized_relobj::relocate_sections): Call
6825         split_stack_adjust for executable sections in split_stack
6826         objects.  Pass reloc_map to relocate_section.
6827         (Sized_relobj::split_stack_adjust): New function.
6828         (Sized_relobj::split_stack_adjust_reltype): New function.
6829         (Sized_relobj::find_functions): New function.
6830         * target-reloc.h: Include "object.h".
6831         (relocate_section): Add reloc_symbol_changes parameter.  Change
6832         all callers.
6833         * target.h (class Target): Add calls_non_split method.  Declare
6834         do_calls_non_split virtual method.  Declare match_view and
6835         set_view_to_nop.
6836         * target.cc: Include "elfcpp.h".
6837         (Target::do_calls_non_split): New function.
6838         (Target::match_view): New function.
6839         (Target::set_view_to_nop): New function.
6840         * gold.cc (queue_middle_tasks): Give an error if mixing
6841         split-stack and non-split-stack objects with -r.
6842         * i386.cc (Target_i386::relocate_section): Add
6843         reloc_symbol_changes parameter.
6844         (Target_i386::do_calls_non_split): New function.
6845         * x86_64.cc (Target_x86_64::relocate_section): Add
6846         reloc_symbol_changes parameter.
6847         (Target_x86_64::do_calls_non_split): New function.
6848         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6849         parameter.
6850         * powerpc.cc (Target_powerpc::relocate_section): Add
6851         reloc_symbol_changes parameter.
6852         * sparc.cc (Target_sparc::relocate_section): Add
6853         reloc_symbol_changes parameter.
6854         * configure.ac: Call AM_CONDITIONAL for the default target.
6855         * configure: Rebuild.
6856         * testsuite/Makefile.am (TEST_AS): New variable.
6857         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6858         (check_DATA): Add split_i386 and split_x86_64 files.
6859         (SPLIT_DEFSYMS): Define.
6860         (split_i386_[1234n].o): New targets.
6861         (split_i386_[124]): New targets.
6862         (split_i386_[1234r].stdout): New targets.
6863         (split_x86_64_[1234n].o): New targets.
6864         (split_x86_64_[124]): New targets.
6865         (split_x86_64_[1234r].stdout): New targets.
6866         (MOSTLYCLEANFILES): Add new executables.
6867         * testsuite/split_i386.sh: New file.
6868         * testsuite/split_x86_64.sh: New file.
6869         * testsuite/split_i386_1.s: New file.
6870         * testsuite/split_i386_2.s: New file.
6871         * testsuite/split_i386_3.s: New file.
6872         * testsuite/split_i386_4.s: New file.
6873         * testsuite/split_i386_n.s: New file.
6874         * testsuite/split_x86_64_1.s: New file.
6875         * testsuite/split_x86_64_2.s: New file.
6876         * testsuite/split_x86_64_3.s: New file.
6877         * testsuite/split_x86_64_4.s: New file.
6878         * testsuite/split_x86_64_n.s: New file.
6879         * testsuite/testfile.cc (Target_test): Update relocation_section
6880         function.
6881         * testsuite/Makefile.in: Rebuild.
6882
6883 2009-10-06  Ian Lance Taylor  <iant@google.com>
6884
6885         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6886         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6887         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6888         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6889         the address on ldo_addrs_.
6890         (Target_i386::Relocate::fix_up_ldo): New function.
6891
6892 2009-10-06   Rafael Espindola  <espindola@google.com>
6893
6894         * plugin.cc (add_input_library): New.
6895         (Plugin::load): Add add_input_library to tv.
6896         (Plugin_manager::add_input_file): Add the is_lib argument.
6897         (add_input_file): Update call to Plugin_manager::add_input_file.
6898         (add_input_library): New.
6899         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6900
6901 2009-09-30  Doug Kwan  <dougkwan@google.com>
6902
6903         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6904         symbol and call Symbol::may_need_copy_reloc to determine if
6905         a copy reloc is needed.
6906         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6907         nocopyreloc is given in command line.
6908         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6909         given in command line.
6910         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6911         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6912         of the removed Target_i386::may_need_copy_reloc.
6913         * options.h (copyreloc): New option with default value false.
6914         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6915         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6916         instead of the removed Target_powerpc::may_need_copy_reloc.
6917         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6918         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6919         instead of the removed Target_sparc::may_need_copy_reloc.
6920         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6921         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6922         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6923         instead of the removed Target_x86_64::may_need_copy_reloc.
6924
6925 2009-09-30  Ian Lance Taylor  <iant@google.com>
6926
6927         * object.h (class Object): Remove target_ field, and target,
6928         sized_target, and set_target methods.
6929         (Object::sized_target): Remove.
6930         (class Sized_relobj): Update declarations.  Remove sized_target.
6931         * object.cc (Sized_relobj::setup): Remove target parameter.
6932         Change all callers.
6933         (Input_objects::add_object): Don't do anything with the target.
6934         (make_elf_sized_object): Add punconfigured parameter.  Change all
6935         callers.  Set or test parameter target.
6936         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6937         Change all callers.
6938         * parameters.cc (Parameters::set_target): Change parameter type to
6939         be non-const.
6940         (Parameters::default_target): Remove.
6941         (set_parameters_target): Change parameter type to be non-const.
6942         (parameters_force_valid_target): New function.
6943         (parameters_clear_target): New function.
6944         * parameters.h (class Parameters): Update declarations.  Remove
6945         default_target method.  Add sized_target and clear_target
6946         methods.  Change target_ to be non-const.
6947         (set_parameters_target): Update declaration.
6948         (parameters_force_valid_target): Declare.
6949         (parameters_clear_target): Declare.
6950         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6951         as NULL if we aren't searching.
6952         (Add_symbols::run): Don't check for compatible target.
6953         * fileread.cc (Input_file::open_binary): Call
6954         parameters_force_valid_target.
6955         * gold.cc (queue_middle_tasks): Likewise.
6956         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6957         set_target on object.
6958         * dynobj.h (class Sized_dynobj): Update declarations.
6959         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6960         make_elf_object returns NULL.
6961         (Archive::include_member): Don't check whether object target is
6962         compatible.
6963         * output.cc (Output_section::add_input_section): Get target from
6964         parameters.
6965         (Output_section::relax_input_section): Likewise.
6966         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6967         parameters.
6968         (Sized_relobj::do_scan_relocs): Likewise.
6969         (Sized_relobj::relocate_sections): Likewise.
6970         * resolve.cc (Symbol_table::resolve): Likewise.
6971         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6972         parameter.  Change all callers.
6973         (Symbol_table::add_from_object): Get target from parameters.
6974         (Symbol_table::add_from_relobj): Don't check object target.
6975         (Symbol_table::add_from_dynobj): Likewise.
6976         (Symbol_table::define_special_symbol): Get target from
6977         parameters.
6978         * symtab.h (class Symbol_table): Update declaration.
6979         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6980         parameter.  Change all callers.  Clear parameter target.
6981         (Binary_test): Test target here.
6982         * testsuite/object_unittest.cc (gold_testsuite): Remove
6983         target_test_pointer parameter.  Change all callers.
6984         (Object_test): Test target here.
6985
6986 2009-09-26  Ian Lance Taylor  <iant@google.com>
6987
6988         * testsuite/initpri1.c: Don't try to use constructor priorities if
6989         compiling with gcc before 4.3.
6990
6991 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6992
6993         * testsuite/retain_symbols_file_test.sh (check_present): Change
6994         output file name to retain_symbols_file_test.stdout.
6995         (check_absent): Likewise.
6996
6997 2009-09-18  Craig Silverstein  <csilvers@google.com>
6998
6999         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7000         * options.cc: Include <cerrno> and <fstream>.
7001         (General_options::finalize): Parse -retain-symbols-file tag.
7002         * options.h: New flag.
7003         (General_options): New method should_retain_symbol, new
7004         variable symbols_to_retain.
7005         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7006         should_retain_symbol map.
7007         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7008         * testsuite/Makefile.in: Regenerate.
7009         * testsuite/retain_symbols_file_test.sh: New file.
7010
7011 2009-09-18  Nick Clifton  <nickc@redhat.com>
7012
7013         * po/es.po: Updated Spanish translation.
7014
7015 2009-09-17  Doug Kwan  <dougkwan@google.com>
7016
7017         * debug.h (DEBUG_RELAXATION): New constant.
7018         (DEBUG_ALL): Add DEBUG_RELAXATION.
7019         (debug_string_to_enum): Add relaxation debug option.
7020         * layout.cc
7021         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7022         Layout::Relaxation_debug_check::read_sections,
7023         Layout::Relaxation_debug_check::read_sections): New method definitions.
7024         (Layout::Layout): Initialize data members
7025         record_output_section_data_from_scrips_,
7026         script_output_section_data_list_ and relaxation_debug_check_.
7027         (Layout::save_segments, Layout::restore_segments,
7028         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7029         Layout::relaxation_loop_body): New method definitions.
7030         (Layout::finalize): Support relaxation.  Move section layout code to
7031         Layout::relaxation_loop_body.
7032         (Layout::set_asection_address_from_script): Move code for orphan
7033         section placement out.
7034         (Layout::place_orphan_sections_in_script): New method definition.
7035         * layout.h (Output_segment_headers, Output_file_header):
7036         New forward class declarations.
7037         (Layout::~Layout): Define.
7038         (Layout::new_output_section_data_from_script): New method definition.
7039         (Layout::place_orphan_sections_in_script): New method declaration.
7040         (Layout::Segment_states): New type declaration.
7041         (Layout::save_segments, Layout::restore_segments,
7042         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7043         Layout::relaxation_loop_body): New method declarations.
7044         (Layout::Output_section_data_list): New type declaration.
7045         (Layout::Relaxation_debug_check): New class definition.
7046         (Layout::record_output_section_data_from_script_,
7047         Layout::script_output_section_data_list_, Layout::segment_states_,
7048         Layout::relaxation_debug_check_): New data members.
7049         * output.cc: (Output_section_headers::do_size): New method definition.
7050         (Output_section_headers::Output_section_headers): Move size
7051         computation to Output_section_headers::do_size.
7052         (Output_segment_headers::do_size): New method definition.
7053         (Output_file_header::Output_file_header): Move size computation to
7054         Output_file_header::do_size and call it.
7055         (Output_file_header::do_size): New method definition.
7056         (Output_data_group::Output_data_group): Adjust call to
7057         Output_section_data.
7058         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7059         (Output_symtab_xindex::do_write): Add array bound check.
7060         (Output_section::Input_section::print_to_mapfile): Handle
7061         RELAXED_INPUT_SECTION_CODE.
7062         (Output_section::Output_section): Initialize data member checkpoint_.
7063         (Output_section::~Output_section): Delete checkpoint object pointed
7064         by checkpoint_.
7065         (Output_section::add_input_section): Always add an Input_section if
7066         relaxing.
7067         (Output_section::add_merge_input_section): Add assert.
7068         (Output_section::relax_input_section): New method definition.
7069         (Output_section::set_final_data_size): Set load address to zero for
7070         an unallocated section.
7071         (Output_section::do_address_and_file_offset_have_reset_values):
7072         New method definition.
7073         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7074         Handle relaxed input section.
7075         (Output_section::sort_attached_input_sections): Checkpoint input
7076         section list lazily.
7077         (Output_section::get_input_sections): Change type of input_sections to
7078         list of Simple_input_section pointers.  Checkpoint input section list
7079         lazily.  Also handle relaxed input sections.
7080         (Output_section::add_input_section_for_script): Take a reference to
7081         a Simple_input_section object instead of Relobj pointer and section
7082         index as parameter.  Handle relaxed input sections.
7083         (Output_section::save_states, Output_section::restore_states): New
7084         method definitions.
7085         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7086         (Output_data::is_data_size_fixed): New method definition.
7087         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7088         if it is fixed.
7089         (Output_data::address_and_file_offset_have_reset_values): New method
7090         definition.
7091         (Output_data::do_address_and_file_offset_have_reset_values): New method
7092         definition.
7093         (Output_data::set_data_size): Check that data size is not fixed.
7094         (Output_data::fix_data_size): New method definition.
7095         (Output_data::is_data_size_fixed_): New data member.
7096         (Output_section_headers::set_final_data_size): New method definition.
7097         (Output_section_headers::do_size): New method declaration.
7098         (Output_segment_headers::set_final_data_size): New method definition.
7099         (Output_segment_headers::do_size): New method declaration.
7100         (Output_file_header::set_final_data_size)::New method definition.
7101         (Output_file_header::do_size)::New method declaration.
7102         (Output_section_data::Output_section_data): Add new parameter
7103         is_data_size_fixed and use it to fix data size.
7104         (Output_data_const::Output_data_const): Adjust call to base class
7105         constructor and fix data size.
7106         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7107         base class constructor and fix data size.
7108         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7109         base class constructor and fix data size.
7110         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7111         class constructor and fix data size.
7112         (Output_data_group::set_final_data_size): New method definition.
7113         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7114         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7115         class constructor and fix data size.
7116         (Output_relaxed_input_section): New class definition.
7117         (Output_section::Simple_input_section): New class definition.
7118         (Output_section::get_input_sections): Adjust parameter list.
7119         (Output_section::add_input_section_for_script): Same.
7120         (Output_section::save_states, Output_section::restore_states,
7121         Output_section::do_address_and_file_offset_have_reset_values,
7122         (Output_section::Input_section::Input_section): Handle
7123         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7124         Output_relaxed_input_section.
7125         (Output_section::Input_section::is_input_section,
7126         Output_section::Input_section::set_output_section): Handle relaxed
7127         input section.
7128         (Output_section::Input_section::is_relaxed_input_section,
7129         Output_section::Input_section::output_section_data,
7130         Output_section::Input_section::relaxed_input_section): New method
7131         definitions.
7132         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7133         value.
7134         (Output_section::Input_section::u1_): Update comments.
7135         (Output_section::Input_section::u2_): Add new union member poris.
7136         (Output_section::Checkpoint_output_section): New classs definition.
7137         (Output_section::relax_input_section): New method declaration.
7138         (Output_section::checkpoint_): New data member.
7139         (Output_segment): Update comments.
7140         (Output_segment::Output_segment): Un-privatize copy constructor.
7141         (Output_segment::operator=): Un-privatize.
7142         * script-sections.cc (Output_section_element::Input_section_list):
7143         Change element type to Output_section::Simple_input_section.
7144         (Output_section_element_dot_assignment::set_section_addresses):
7145         Register output section data for relaxation clean up.
7146         (Output_data_exression::Output_data_expression): Adjust call to base
7147         constructor to fix data size.
7148         (Output_section_element_data::set_section_addresses): Register
7149         Output_data_expression object for relaxation clean up.
7150         (struct Input_section_info): Replace Relobj pointer and section index
7151         pair with Output_section::Simple_input_section and Convert struct to a
7152         class.
7153         (Input_section_sorter::operator()): Adjust access to
7154         Input_section_info data member to use accessors.
7155         (Output_section_element_input::set_section_addresses): Use layout
7156         parameter.  Adjust code to use Output_section::Simple_input_section
7157         and Input_secction_info classes.  Register filler for relaxation
7158         clean up.
7159         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7160         and section index pair with Output_section::Simple_input_section
7161         class.  Adjust code accordingly.
7162         (Phdrs_element::release_segment): New method definition.
7163         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7164         segment list.
7165         (Script_sections::release_segments): New method definition.
7166         * gold/script-sections.h (Script_sections::release_segments): New
7167         method declaration.
7168         * gold/target.h (Target::may_relax, Target::relax,
7169         Target::do_may_relax, Target::do_relax): New method definitions.
7170
7171 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7172
7173         * arm.cc (has_signed_unsigned_overflow): New function.
7174         (Arm_relocate_functions::abs8): New function.
7175         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7176         (Target_arm::Scan::global): Likewise.
7177         (Target_arm::relocate::relocate): Likewise.
7178         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7179         Likewise.
7180
7181 2009-09-16  Cary Coutant  <ccoutant@google.com>
7182
7183         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7184         * testsuite/Makefile.in: Regenerate.
7185
7186 2009-09-11  Nick Clifton  <nickc@redhat.com>
7187
7188         * po/gold.pot: Updated by the Translation project.
7189
7190 2009-09-08  Cary Coutant  <ccoutant@google.com>
7191
7192         * output.cc (Output_file::open): Add execute permission to empty file.
7193         * testsuite/Makefile.am (permission_test): New test.
7194         * testsuite/Makefile.in: Regenerate.
7195
7196 2009-09-02  Ian Lance Taylor  <iant@google.com>
7197
7198         * output.cc (Output_file::resize): Call map_no_anonymous rather
7199         than map.
7200
7201 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7202
7203         * gold.cc: Include "incremental.h".
7204         (queue_initial_tasks): Call Incremental_checker methods.
7205         * incremental.cc: Include "output.h".
7206         (Incremental_checker::can_incrementally_link_output_file): New
7207         method.
7208         * incremental.h (Incremental_checker): New class.
7209
7210         * output.cc (Output_file::open_for_modification): New method.
7211         (Output_file::map_anonymous): Changed return type to bool.  Record
7212         map in base_ field.
7213         (Output_file::map_no_anonymous): New method, broken out of map.
7214         (Output_file::map): Use map_no_anonymous and map_anonymous.
7215         * output.h (class Output_file): Update declarations.
7216
7217 2009-08-24  Cary Coutant  <ccoutant@google.com>
7218
7219         * options.h (Command_line::Pre_options): New class.
7220         (Command_line::pre_options): New member.
7221         * options.cc (gold::options::ready_to_register): New variable.
7222         (One_option::register_option): Do nothing if not registering options.
7223         Assert if same short option registered twice.
7224         (General_options::General_options): Turn off option registration when
7225         done constructing.
7226         (Command_line::Pre_options::Pre_options): New constructor.
7227
7228 2009-08-24  Cary Coutant  <ccoutant@google.com>
7229
7230         * options.h (General_options::no_keep_memory): Remove incorrect
7231         short option.
7232
7233 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7234
7235         * Makefile.am (am__skiplex, am__skipyacc): New.
7236         * Makefile.in: Regenerate.
7237
7238 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7239
7240         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7241         (INCLUDES): ... this.
7242         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7243         (AM_CPPFLAGS): Renamed from ...
7244         (INCLUDE): ... this.
7245         * Makefile.in, testsuite/Makefile.in: Regenerate.
7246
7247         * Makefile.in: Regenerate.
7248         * aclocal.m4: Likewise.
7249         * config.in: Likewise.
7250         * configure: Likewise.
7251         * testsuite/Makefile.in: Likewise.
7252
7253         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7254         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7255         * Makefile.in: Regenerate.
7256         * testsuite/Makefile.in: Regenerate.
7257
7258 2009-08-19  Cary Coutant  <ccoutant@google.com>
7259
7260         * resolve.cc (Symbol_table::resolve): Don't complain about defined
7261         symbols in shared libraries overridden by hidden or internal symbols
7262         in the main program.
7263
7264 2009-08-19  Chris Demetriou  <cgd@google.com>
7265
7266         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7267         checking source file names in error messages.
7268
7269 2009-08-18  Doug Kwan  <dougkwan@google.com>
7270
7271         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7272         an elcpp::Ehdr as parameter.  Adjust call to set_target.
7273         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7274         an elfcpp::Ehdr as parameter.
7275         * object.cc (Object::set_target): Remove the version that looks up
7276         a target and sets it.
7277         (Sized_relobj::setup): Take a Target object instead of
7278         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
7279         (make_elf_sized_object): Find target and ask target to
7280         make an ELF object.
7281         * object.h: (Object::set_target): Remove the version that looks up
7282         a target and sets it.
7283         (Sized_relobj::setup): Take a Target object instead of
7284         an elfcpp:Ehdr as parameter.
7285         * target.cc: Include dynobj.h.
7286         (Target::do_make_elf_object_implementation): New.
7287         (Target::do_make_elf_object): New.
7288         * target.h (Target::make_elf_object): New template declaration.
7289         (Target::do_make_elf_object): New method declarations.
7290         (Target::do_make_elf_object_implementation): New template declaration.
7291
7292 2009-08-14  Ian Lance Taylor  <iant@google.com>
7293
7294         * gold.h (FUNCTION_NAME): Define.
7295         (gold_unreachable): Use FUNCTION_NAME.
7296
7297 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7298
7299         * icf.cc (Icf::find_identical_sections): Issue a warning when a
7300         symbol in the --keep-unique list is not found.
7301
7302 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
7303
7304         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7305         been maked as --keep-unique.
7306         (Icf::unfold_section): New function.
7307         * icf.h (Icf::unfold_section): New function.
7308         * options.h (General_options::keep_unique): New option.
7309         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7310         * testsuite/Makefile.in: Regenerate.
7311         * testsuite/icf_keep_unique_test.sh: New file.
7312         * testsuite/icf_keep_unique_test.cc: New file.
7313
7314 2009-08-12  Cary Coutant  <ccoutant@google.com>
7315
7316         PR 10471
7317         * resolve.cc (Symbol_table::resolve): Check for references from
7318         dynamic objects to hidden and internal symbols.
7319         * testsuite/Makefile.am (hidden_test.sh): New test.
7320         * testsuite/Makefile.in: Regenerate.
7321         * testsuite/hidden_test.sh: New script.
7322         * testsuite/hidden_test_1.c: New test source.
7323         * testsuite/hidden_test_main.c: New test source.
7324
7325 2009-08-11  Doug Kwan  <dougkwan@google.com>
7326
7327         * arm.cc: Update comments.
7328         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7329         segment to locate the .ARM.exidx section if present.
7330
7331 2009-08-09  Doug Kwan  <dougkwan@google.com>
7332
7333         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7334         patch.
7335
7336 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
7337         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7338         compiler warnings.
7339
7340 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
7341
7342         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7343         valid tls_segment only for non-debug-section relocations.
7344         * testsuite/Makefile.am: Add gc_tls_test.
7345         * testsuite/Makefile.in: Regenerate.
7346         * testsuite/gc_tls_test.cc: New file.
7347         * testsuite/gc_tls_test.sh: New file.
7348
7349 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
7350
7351         * icf.cc: New file.
7352         * icf.h: New file.
7353         * Makefile.am (CCFILES): Add icf.cc.
7354         (HFILES): Add icf.h
7355         * Makefile.in: Regenerate.
7356         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7357         * gc.h (gc_process_relocs): Populate lists used by icf to contain
7358         section, symbol and addend information for the relocs.
7359         * gold.cc (queue_middle_tasks): Call identical code folding.
7360         * gold.h: Add defines for multimap.
7361         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7362         to the call of finalize_local_symbols.
7363         * main.cc (main): Create object of class Icf.
7364         * object.cc (Sized_relobj::do_layout): Allow this function to be
7365         called twice during icf.
7366         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7367         to sections marked as identical by icf.
7368         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7369         when available.
7370         (Sized_relobj::do_section_entsize): New function.
7371         * object.h (Object::section_entsize): New function.
7372         (Object::do_section_entsize): New pure virtual function.
7373         (Relobj::finalize_local_symbols): Add new parameter.
7374         (Relobj::do_section_entsize): New function.
7375         * options.h (General_options::icf): New option.
7376         (General_options::icf_iterations): New option.
7377         (General_options::print_icf_sections): New option.
7378         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7379         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7380         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7381         icf.
7382         * symtab.cc (Symbol_table::is_section_folded): New function.
7383         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
7384         to sections marked as identical by icf.
7385         * symtab.h (Symbol_table::set_icf): New function.
7386         (Symbol_table::icf): New function.
7387         (Symbol_table::is_section_folded): New function.
7388         (Symbol_table::icf_): New data member.
7389         * target-reloc.h (relocate_section): Ignore sections folded by icf.
7390         * testsuite/Makefile.am: Add commands to build icf_test.
7391         * testsuite/Makefile.in: Regenerate.
7392         * testsuite/icf_test.sh: New file.
7393         * testsuite/icf_test.cc: New file.
7394
7395 2009-07-24  Chris Demetriou  <cgd@google.com>
7396
7397         * layout.cc (is_compressible_debug_section): Fix incorrect
7398         comment about compressed section names.
7399
7400 2009-07-20  Ian Lance Taylor  <ian@airs.com>
7401
7402         PR 10419
7403         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7404
7405 2009-07-16  Ian Lance Taylor  <iant@google.com>
7406
7407         PR 10400
7408         * layout.h: #include <map>.
7409         (class Kept_section): Change from struct to class.  Add accessors
7410         and setters.  Add section size to Comdat_group mapping.  Change
7411         Comdat_group to std::map.  Add is_comdat_ field.  Add
7412         linkonce_size field in union.
7413         (class Layout): Update declaration of find_or_add_kept_section.
7414         Don't declare find_kept_object.
7415         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7416         parameter.  Add object, shndx, is_comdat, and is_group_name
7417         parameters.  Change all callers.  Adjust for new Kept_section.
7418         (Layout::find_kept_object): Remove.
7419         * object.cc (Sized_relobj::include_section_group): Update use of
7420         Kept_section.  Rename secnum to shndx.  Only record
7421         Kept_comdat_section if sections are the same size.
7422         (Sized_relobj::include_linkonce_section): Update use of
7423         Kept_section.  Only record Kept_comdat_section if sections are the
7424         same size.  Set size of linkonce section.
7425         (Sized_relobj::map_to_kept_section): Update call to
7426         get_kept_comdat_section.
7427         * object.h (class Sized_relobj): Rename fields in
7428         Kept_comdat_section to drop trailing underscores; change object
7429         field to Relobj*.  Change Kept_comdat_section_table to store
7430         struct rather than pointer.
7431         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7432         Add kept_object and kept_shndx parameters.  Change all callers.
7433         (Sized_relobj::get_kept_comdat_section): Change return type to
7434         bool.  Add kept_object and kept_shndx parameters.  Change all
7435         callers.
7436         * plugin.cc (Pluginobj::include_comdat_group): Update call to
7437         Layout::find_or_add_kept_section.
7438
7439 2009-07-09  Ian Lance Taylor  <iant@google.com>
7440
7441         * merge.cc (Object_merge_map::initialize_input_to_output_map):
7442         Reserve space in the hash table.
7443
7444 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
7445
7446         * fileread.cc (File_read::get_mtime): New method.
7447         * fileread.h (Timespec): New structure.
7448         (File_read::get_mtime): New method.
7449         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7450         Renamed from timestamp_nsec.
7451         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7452         Elf_Xword.
7453         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
7454         timestamp_nsec.
7455         (Incremental_inputs::report_archive): Save mtime; style fix.
7456         (Incremental_inputs::report_obejct): Save mtime; style fix.
7457         (Incremental_inputs::report_script): Save mtime; style fix.
7458         (Incremental_inputs::finalize_inputs): Style fix.
7459         (Incremental_inputs::finalize): Style fix.
7460         (Incremental_inputs::create_input_section_data): Store inputs
7461         mtime.
7462         * incremental.h (Incremental_inputs::report_script): Add mtime
7463         argument.
7464         (Incremental_inputs::Input_info::Input_info): Intialize only one
7465         union member.
7466         (Incremental_inputs::Input_info::archive): Move to nameless
7467         union.
7468         (Incremental_inputs::Input_info::obejct): Move to nameless union.
7469         (Incremental_inputs::Input_info::script): Move to nameless union.
7470         (Incremental_inputs::mtime): New field.
7471         * script.cc (read_input_script): Pass file mtime to
7472         Incremental_input.
7473         * script.h (Script_info::inputs): Style fix.
7474
7475 2009-07-01  Ian Lance Taylor  <ian@airs.com>
7476
7477         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
7478         instead of 32.
7479
7480 2009-06-24  Ian Lance Taylor  <iant@google.com>
7481
7482         PR 10156
7483         * layout.cc (Layout::choose_output_section): If we find an
7484         existing section, update the flags.
7485         (Layout::create_notes): New function, broken out of
7486         Layout::finalize.
7487         (Layout::finalize): Don't create note sections.
7488         (Layout::create_note): Don't crash if linker script discards
7489         section.
7490         (Layout::create_gold_note): Likewise.
7491         (Layout::create_build_id): Likewise.  Don't set
7492         after_input_sections on the section.
7493         (Layout::create_executable_stack_info): Remove target parameter.
7494         Change caller.
7495         * layout.h (class Layout): Declare create_notes.  Update
7496         declaration of create_executable_stack_info.
7497         * gold.cc (queue_middle_tasks): Call create_notes.
7498         * output.cc (Output_section::update_flags_for_input_section): Move
7499         here from output.h.  If SHF_ALLOC flag is newly set, mark address
7500         invalid.
7501         * output.h (Output_data::mark_address_invalid): New function.
7502         (class Output_section): Only declare, not define,
7503         update_flags_for_input_section.  Remove set_flags.
7504
7505 2009-06-24  Ian Lance Taylor  <iant@google.com>
7506
7507         * script-sections.cc (Output_section_definition::
7508         set_section_addresses): Rename shadowing local load_address to
7509         laddr.
7510
7511 2009-06-24  Ian Lance Taylor  <iant@google.com>
7512
7513         PR 10244
7514         * reloc.cc (relocate_sections): Skip empty relocation sections.
7515
7516 2009-06-23  Ian Lance Taylor  <iant@google.com>
7517
7518         PR 10156
7519         * layout.cc (Layout::create_note): Use choose_output_section
7520         rather than make_output_section.
7521
7522 2009-06-23  Ian Lance Taylor  <iant@google.com>
7523
7524         PR 10237
7525         * options.cc (General_options::parse_V): Set printed_version_.
7526         (General_options::General_options): Initialize printed_version_.
7527         * options.h (class General_options): Add printed_version_ field.
7528         * gold.cc (queue_initial_tasks): If there are no input files,
7529         don't give a fatal error if we printed the version information.
7530         (queue_middle_tasks): If using -r with a shared object, give a
7531         fatal error rather than an ordinary error.
7532
7533 2009-06-23  Ian Lance Taylor  <iant@google.com>
7534
7535         PR 10219
7536         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
7537         (Layout::make_output_section): Set have_stabstr_section_ if we see
7538         a .stab*str section.
7539         (Layout::finalize): Call link_stabs_sections.
7540         (Layout::link_stabs_sections): New file.
7541         * layout.h (class Layout): Add have_stabstr_section_ field.
7542         Declare link_stabs_sections.
7543
7544 2009-06-23  Doug Kwan  <dougkwan@google.com>
7545
7546         * Makefile.am (libgold_a_LIBADD): New.
7547         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
7548         * Makefile.in: Regenerate.
7549         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
7550         * configure: Regenerate.
7551         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
7552         * fileread.cc: Include sys/state.h
7553         * gold.h: Declare memmem and strndup if found missing.
7554         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
7555
7556 2009-06-23  Ian Lance Taylor  <iant@google.com>
7557
7558         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
7559         * configure: Rebuild.
7560
7561 2009-06-23  Ian Lance Taylor  <iant@google.com>
7562
7563         PR 10147
7564         * object.cc (Object::section_contents): Don't try to get a view if
7565         the section has length zero.
7566         (Object::handle_gnu_warning_section): If the section is empty, use
7567         the name of the section as the warning.
7568
7569 2009-06-23  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10133
7572         * stringpool.h (class Stringpool_template): Add optimize_ field.
7573         (Stringpool_template::set_optimize): New function.
7574         * stringpool.cc (Stringpool_template::Stringpool_template):
7575         Initialize optimize_ field.
7576         (Stringpool_template::set_string_offsets): Test local optimize
7577         fild rather than parameter.
7578         * layout.cc (Layout::Layout): Call set_optimize on the section
7579         name stringpool.
7580
7581 2009-06-22  Ian Lance Taylor  <iant@google.com>
7582
7583         PR 10030
7584         * yyscript.y: Parse TARGET.
7585         * script.cc (script_set_target): New function.
7586         * script-c.h (script_set_target): Declare.
7587         * options.cc (General_options::string_to_object_format): Rename
7588         from string_to_object_format in anonymous namespace.  Change
7589         callers.
7590         * options.h (class General_options): Declare
7591         string_to_object_format.
7592
7593 2009-06-22  Ian Lance Taylor  <iant@google.com>
7594
7595         * script-sections.cc (Script_sections::create_segments): Don't put
7596         program headers in a PT_LOAD segment if -n or -N.
7597
7598 2009-06-22  Ian Lance Taylor  <iant@google.com>
7599
7600         PR 10141
7601         * options.h (class General_options): Add -z lazy and -z now.  Sort
7602         -z options into alphabetical order.
7603         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
7604
7605 2009-06-21  Ian Lance Taylor  <iant@google.com>
7606
7607         * layout.cc (Layout::make_output_section): Call
7608         Target::new_output_section.
7609         (Layout::attach_allocated_section_to_segment): Put large section
7610         sections in a separate load segment with the large segment flag
7611         set.
7612         (Layout::segment_precedes): Sort large data segments after other
7613         load segments.
7614         (align_file_offset): New static function.
7615         (Layout::set_segment_offsets): Use align_file_offset.
7616         * output.h (class Output_section): Add is_small_section_ and
7617         is_large_section_ fields.
7618         (Output_section::is_small_section): New function.
7619         (Output_section::set_is_small_section):  New function.
7620         (Output_section::is_large_section): New function.
7621         (Output_section::set_is_large_section): New function.
7622         (Output_section::is_large_data_section): New function.
7623         (class Output_segment): Add is_large_data_segment_ field.
7624         (Output_segment::is_large_data_segment): New function.
7625         (Output_segment::set_is_large_data_segment): New function.
7626         * output.cc (Output_section::Output_section): Initialize new
7627         fields.
7628         (Output_segment::Output_segment): Likewise.
7629         (Output_segment::add_output_section): Add assertion that large
7630         data sections always go in large data segments.  Force small data
7631         sections to the end of the list of data sections.  Force small BSS
7632         sections to the start of the list of BSS sections.  For large BSS
7633         sections to the end of the list of BSS sections.
7634         * symtab.h (class Symbol): Declare is_common_shndx.
7635         (Symbol::is_defined): Check Symbol::is_common_shndx.
7636         (Symbol::is_common): Likewise.
7637         (class Symbol_table): Define enum Commons_section_type.  Update
7638         declarations.  Add small_commons_ and large_commons_ fields.
7639         * symtab.cc (Symbol::is_common_shndx): New function.
7640         (Symbol_table::Symbol_table): Initialize new fields.
7641         (Symbol_table::add_from_object): Put small and large common
7642         symbols in the right list.
7643         (Symbol_table::sized_finalized_symbol): Check
7644         Symbol::is_common_shndx.
7645         (Symbol_table::sized_write_globals): Likewise.
7646         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7647         common symbol lists.  Don't call do_allocate_commons_list if the
7648         list is empty.
7649         (Symbol_table::do_allocate_commons_list): Remove is_tls
7650         parameter.  Add comons_section_type parameter.  Change all
7651         callers.  Handle small and large common symbols.
7652         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7653         Symbol::is_common_shndx.
7654         * resolve.cc (symbol_to_bits): Likewise.
7655         * target.h (Target::small_common_shndx): New function.
7656         (Target::small_common_section_flags): New function.
7657         (Target::large_common_shndx): New function.
7658         (Target::large_common_section_flags): New function.
7659         (Target::new_output_section): New function.
7660         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7661         small_common_section_flags, and large_common_section_flags
7662         fields.
7663         (Target::do_new_output_section): New virtual function.
7664         * arm.cc (Target_arm::arm_info): Initialize new fields.
7665         * i386.cc (Target_i386::i386_info): Likewise.
7666         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7667         Likewise.
7668         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7669         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7670         (Target_x86_64::do_new_output_section): New function.
7671         * configure.ac: Define conditional MCMODEL_MEDIUM.
7672         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7673         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7674         (large_LDFLAGS): Define.
7675         * testsuite/large.c: New file.
7676         * testsuite/testfile.cc (Target_test::test_target_info):
7677         Initialize new fields.
7678         * configure, testsuite/Makefile.in: Rebuild.
7679
7680 2009-06-05  Doug Kwan  <dougkwan@google.com>
7681
7682         * Makefile.am (CCFILES): Add target.cc.
7683         * Makefile.in: Regenerate.
7684         * i386.cc (class Target_i386): Define new virtual method to
7685         override do_is_local_label_name in parent.
7686         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7687         local symbols if --discard-locals or -X is given.
7688         * options.h (class General_options): Declare new options
7689         '--discard-locals' and '-X' for discarding locals.
7690         * target.h (class Target): Define new methods is_local_label_name.
7691         Declare new virtual method do_is_local_label_name.
7692         * target.cc: New file.
7693         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7694         (check_SCRIPTS): Add discard_locals_test.sh.
7695         (check_DATA): Add discard_local_tests.syms.
7696         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7697         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7698         * testsuite/Makefile.in: Regenerate.
7699         * testsuite/discard_locals_test.c: New file.
7700         * testsuite/discard_locals_test.sh: Same.
7701
7702 2009-06-05  Doug Kwan  <dougkwan@google.com>
7703
7704         * object.cc (Sized_relobj::Sized_relobj): Initialize
7705         discarded_eh_frame_shndx_ to -1U.
7706         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7707         section.
7708         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7709         a discarded .eh_frame section.
7710         (Sized_relobj::do_finalize_local_symbols): Ditto.
7711         * object.h (class Sized_relobj): Declare new member
7712         discarded_eh_frame_shndx_.
7713         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7714         (local_labels_test.o, local_labels_test): New rules.
7715         * testsuite/Makefile.in: Regenerate.
7716
7717 2009-06-04  Doug Kwan  <dougkwan@google.com>
7718
7719         * layout.cc (Layout::section_name_mapping): Add mapping for
7720         special ARM sections.
7721
7722 2009-06-03  Doug Kwan  <dougkwan@google.com>
7723
7724         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7725         (utils::has_overflow): Same.
7726
7727 2009-06-03  Ian Lance Taylor  <iant@google.com>
7728
7729         * layout.cc (Layout::section_name_mapping): New array, replacing
7730         Layout::linkonce_mapping.
7731         (Layout::section_name_mapping_count): New variable, replacing
7732         Layout::linkonce_mapping_count.
7733         (Layout::linkonce_output_name): Remove.
7734         (Layout::output_section_name): Rewrite.
7735         * layout.h (class Layout): Rename Linkonce_mapping to
7736         Section_name_mapping, linkonce_mapping to section_name_mapping,
7737         linkonce_mapping_count to section_name_mapping_count.  Don't
7738         declare linkonce_output_name.
7739
7740 2009-06-03  Doug Kwan  <dougkwan@google.com>
7741
7742         * gold/arm.cc (namespace utils): New.
7743         (Target_arm::reloc_is_non_pic): Define new method.
7744         (class Arm_relocate_functions): New.
7745         (Target_arm::Relocate::relocate): Handle relocation types used by
7746         Android.
7747
7748 2009-06-03  Ian Lance Taylor  <iant@google.com>
7749
7750         * arm.cc (Target_arm::scan::global): Use || instead of |.
7751
7752 2009-06-02  Doug Kwan  <dougkwan@google.com>
7753
7754         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7755         issued_non_pic_error_.
7756         (class Target_arm::Scan): Declare new method check_non_pic.
7757         Define new method symbol_needs_plt_entry.
7758         Declare new data member issued_non_pic_error_.
7759         (class Target_arm::Relocate): Declare new method
7760         should_apply_static_reloc.
7761         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7762         (Target_arm::Scan::check_non_pic): Define new method.
7763         (Target_arm::Scan::local): Handle a small subset of reloc types used
7764         by Android.
7765         (Target_arm::Scan::local): Same.
7766         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7767
7768 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7769
7770         * incremental.cc (Incremental_inputs::report_command_line): Filter
7771         out --incremental-* options.
7772
7773 2009-05-29  Doug Kwan  <dougkwan@google.com>
7774
7775         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7776         template class.
7777         (class Target_arm): Update comment.
7778         (Target_arm::Target_arm): Initialize new data members GOT_,
7779         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7780         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7781         and Target_arm::rel_dyn_section.
7782         Declare new_enum Target_arm::Got_type.
7783         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7784         and DYNBSS_.
7785         Update commments for member do_dynsym_value.
7786         (Target_arm::got_size, Target_arm::plt_section,
7787         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7788         new methods inside class defintion.
7789         (Target_arm::got_section): Define new method.
7790         (Target_arm::rel_dyn_section): Same.
7791         (Output_data_plt_arm): New template class.
7792         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7793         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7794         (Output_data_plt_arm::add_entry): Same.
7795         (Output_data_plt_arm::first_plt_entry): Define new
7796         static data member for PLT instruction template.
7797         (Output_data_plt_arm::plt_entry): Same.
7798         (Output_data_plt_arm::do_write): Define new method.
7799         (Target_arm::make_plt_entry): Same.
7800         (Target_arm::do_finalize_sections): Same.
7801         (Target_arm::do_dynsym_value): Same.
7802
7803 2009-05-28  Doug Kwan  <dougkwan@google.com>
7804
7805         * Makefile.am (TARGETSOURCES): Add arm.cc.
7806         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7807         * Makefile.in: Regenerate.
7808         * arm.cc: New file.
7809         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7810
7811 2009-05-26  Doug Kwan  <dougkwan@google.com>
7812
7813         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7814         (General_options::check_excluded_libs): Strip off directories in
7815         archive name before matching like GNU ld does.
7816         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7817         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7818         (exclude_libs_test_LDFLAGS): Add linker option
7819         -Wl,--exclude-libs,libexclude_libs_test_3
7820         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7821         an explicit archive without using -l.
7822         (alt/libexclude_libs_test_3.a): New make rule.
7823         * testsuite/Makefile.in: Regenerate.
7824         * testsuite/exclude_libs_test.c : Declare lib3_default().
7825         (main): Call it.
7826         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7827         * exclude_libs_test_3.c: New file.
7828
7829 2009-05-26  Nick Clifton  <nickc@redhat.com>
7830
7831         * po/id.po: New Indonesian translation.
7832         * po/gold.pot: Updated template file.
7833
7834 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7835
7836         * testsuite/Makefile.am: Add -ffunction-sections to compile
7837         gc_comdat_test files.  Add -Wl,--gc-sections to build
7838         gc_comdat_test.
7839         * testsuite/Makefile.in: Regenerate.
7840         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7841
7842 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7843
7844         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7845         kept comdat section was garbage collected.
7846         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7847         * testsuite/Makefile.in: Regenerate.
7848         * testsuite/gc_comdat_test.sh: New file.
7849         * testsuite/gc_comdat_test_1.cc: New file.
7850         * testsuite/gc_comdat_test_2.cc: New file.
7851
7852 2009-05-19  Doug Kwan  <dougkwan@google.com>
7853
7854         * archive.cc (Archive::Archive): Move constructor from archive.h
7855         to here.  Initialize no_export_.
7856         (Archive::get_elf_object_for_member): Set no_export flag of object.
7857         * archive.h (Archive::Archive): Move constructor body to
7858         archive.cc.
7859         (Archive::no_export): New method.
7860         (Archive::no_export_): New field.
7861         * object.h (Object::Object): Initialize no_export_ to false.
7862         (Object::no_export, Object::set_no_export): New methods.
7863         (Object::no_export_): New field.
7864         * options.cc (General_options::parse_exclude_libs): New method.
7865         (General_options::check_excluded_libs) Same.
7866         * options.h (exclude_libs): New option.
7867         (General_options::check_excluded_libs): New method declaration.
7868         (General_options::excluded_libs_): New field.
7869         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7870         default or protected visibility if an object has no-export flag set.
7871         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7872         (check_SCRIPTS): Add exclude_libs_test.sh.
7873         (check_DATA): Add exclude_libs_test.syms.
7874         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7875         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7876         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7877         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7878         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7879         libexclude_libs_test_2.a): New rules.
7880         * testsuite/Makefile.in: Regenerate.
7881         * testsuite/exclude_libs_test.c: New file.
7882         * testsuite/exclude_libs_test.sh: Ditto.
7883         * testsuite/exclude_libs_test_1.c: Ditto.
7884         * testsuite/exclude_libs_test_2.c: Ditto.
7885
7886 2009-05-15  Ian Lance Taylor  <iant@google.com>
7887
7888         * configure.ac: Check for declarations for cases where libiberty.h
7889         checks HAVE_DECL_xxx.
7890         * configure, config.in: Rebuild.
7891
7892 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7893
7894         * gold.h (Incremental_argument_list): Remove (invalid) forward
7895         declaration.
7896         * incremental.cc (Incremental_inputs::report_achive): New method.
7897         (Incremental_inputs::report_object): New method.
7898         (Incremental_inputs::report_script): New method.
7899         (Incremental_inputs::finalize_inputs): New method.
7900         (Incremental_inputs::finalize): Call finalize_inputs().
7901         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7902         Create inputs entries.
7903         * incremental.h (Incremental_input_type): New enum.
7904         (Incremental_inputs::Incremental_input): Initialize new fields.
7905         (Incremental_inputs::report_inputs): New method.
7906         (Incremental_inputs::report_achive): New method.
7907         (Incremental_inputs::report_object): New method.
7908         (Incremental_inputs::report_script): New method.
7909         (Incremental_inputs::finalize_inputs): New method.
7910         (Incremental_inputs::Input_info): New struct.
7911         (Incremental_inputs::Input_info_map): New typedef.
7912         (Incremental_inputs::lock_): New field.
7913         (Incremental_inputs::Inputs_): New field.
7914         (Incremental_inputs::Inputs_map): New field.
7915         * main.cc (main): Call Incremental_input::report_inputs.
7916         * options.h (Input_argument_list): Typedef moved from
7917         Input_arguments.
7918         (Input_file_group::Files): Remove, use ::Input_argument_list.
7919         (Input_file_group::Input_argument_list): Remove, use
7920         ::Input_argument_list.
7921         * plugin.cc (Plugin_manager::add_input_file): Add error in
7922         incremental build.
7923         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7924         functions.
7925         * script.cc (read_input_script): Call
7926         Incremental_input::report_script.
7927         * script.h (Script_info): New class.
7928
7929 2009-04-27  Ian Lance Taylor  <iant@google.com>
7930
7931         * x86_64.cc (do_adjust_output_section): Set entsize to
7932         plt_entry_size.
7933
7934 2009-04-23  Elliott Hughes  <enh@google.com>
7935
7936         * output.cc (Output_file::close): After short writes, continue
7937         writing from the correct offset in the buffer being written.
7938
7939 2009-04-23  Chris Demetriou  <cgd@google.com>
7940
7941         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7942         * configure: Regenerate.
7943         * config.in: Regenerate.
7944         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7945         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7946
7947 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7948
7949         * incremental.cc (Incremental_inputs_header_data): Renamed from
7950         Incremental_input_header_data.
7951         (Incremental_inputs_header_data::data_size): New field.
7952         (Incremental_inputs_header_data::put_input_file_count): Renamed
7953         from input_file_count.
7954         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7955         from command_line_offset.
7956         (Incremental_inputs_header_data::put_reserved): Renamed from
7957         put_reserved.
7958         (Incremental_inputs_entry_data): Renamed from
7959         Incremental_input_entry_data.
7960         (Incremental_inputs_entry_data::data_size): New field.
7961         (Incremental_inputs::report_command_line): New method.
7962         (Incremental_inputs::finalize): New method.
7963         (Incremental_inputs::create_incremental_inputs_data): New method.
7964         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7965         * incremental.h: New file.
7966         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7967        (Layout::finalize): Create incremental inputs section in
7968         incremental builds.
7969        (Layout::create_incremental_info_sections): New method.
7970         * layout.h (Layout::incremental_inputs): New method.
7971        (Layout::create_incremental_info_sections): New method.
7972        (Layout::incremental_inputs_): New field.
7973         * main.cc (main): Notify Incremental_input of the command line.
7974
7975 2009-04-01  Ian Lance Taylor  <iant@google.com>
7976             Mikolaj Zalewski  <mikolajz@google.com>
7977
7978         * gold.h (reserve_unordered_map): Define, three versions, one for
7979         each version of Unordered_map.
7980         * layout.cc (Layout::Layout): Remove options parameter.  Add
7981         number_of_input_files parameter.  Don't initialize options_.
7982         Initialize number_of_input_files_ and resized_signatures_.  Move
7983         sections_are_attached_.
7984         (Layout::layout_group): Reserve space for group_signatures_.
7985         (Layout::find_or_add_kept_section): Change name parameter to be a
7986         reference.  Resize signatures_ map when it gets large enough.
7987         (Layout::layout_eh_frame): Use parameters->options() instead of
7988         this->options_.
7989         (Layout::make_output_section): Likewise.
7990         (Layout::attach_allocated_section_to_segment): Likewise.
7991         (Layout::finalize, Layout::create_executable_stack): Likewise.
7992         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7993         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7994         * layout.h (class Layout): Update declarations.  Remove options_
7995         field.  Add number_of_input_files_ and resized_signatures_
7996         fields.  Move sections_are_attached_ field.
7997         * main.cc (main): Pass number of input files to Layout
7998         constructor.  Don't pass options.
7999
8000 2009-03-30  Ian Lance Taylor  <iant@google.com>
8001
8002         * ffsll.c (ffsll): Correct implementation.
8003
8004 2009-03-27  Ian Lance Taylor  <iant@google.com>
8005
8006         * ffsll.c: New file.
8007         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8008         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8009         * ftruncate.c (ftruncate): Declare before definition.
8010         * mremap.c (mremap): Likewise.
8011         * pread.c (pread): Likewise.
8012         * configure, Makefile.in, config.in: Rebuild.
8013
8014         * mremap.c: New file.
8015         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8016         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8017         (mremap): Declare if HAVE_MREMAP is not defined.
8018         * configure, Makefile.in, config.in: Rebuild.
8019
8020 2009-03-27  Cary Coutant  <ccoutant@google.com>
8021
8022         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8023         position independent.
8024         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8025         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8026
8027 2009-03-24  Cary Coutant  <ccoutant@google.com>
8028
8029         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8030         an executable.
8031         (needs_dynamic_reloc): Likewise.
8032
8033 2009-03-24  Ian Lance Taylor  <iant@google.com>
8034
8035         * yyscript.y (file_cmd): Recognize EXTERN.
8036         (extern_name_list, extern_name_list_body): New nonterminals.
8037         * script.cc (script_add_extern): Define.
8038         * script-c.h (script_add_extern): Declare.
8039
8040 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8041
8042         * object.cc (is_elf_object): Define.
8043         * object.h (is_elf_object): Declare.
8044         * archive.cc (Archive::get_elf_object_for_member): Call
8045         is_elf_object.
8046         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8047
8048 2009-03-24  Elliott Hughes  <enh@google.com>
8049
8050         * output.cc (Output_file::map_anonymous): Define.
8051         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8052         try an anonymous one.  Report the size if the mmap fails.
8053         * output.h (class Output_file): Declare map_anonymous.
8054
8055 2009-03-24  Ian Lance Taylor  <iant@google.com>
8056
8057         * target-select.cc (instantiate_target): Don't acquire the lock if
8058         the instantiated_target_ field has already been set.
8059
8060 2009-03-23  Ian Lance Taylor  <iant@google.com>
8061
8062         * gold-threads.h (class Initialize_lock): Define.
8063         * gold-threads.cc (class Initialize_lock_once): Define.
8064         (initialize_lock_control): New static variable.
8065         (initialize_lock_pointer): New static variable.
8066         (initialize_lock_once): New static function.
8067         (Initialize_lock::Initialize_lock): Define.
8068         (Initialize_lock::initialize): Define.
8069         * target-select.h: Include "gold-threads.h".
8070         (class Target_selector): Add lock_ and initialize_lock_ fields.
8071         Don't define instantiate_target, just declare it.
8072         * target-select.cc (Target_selector::Target_selector): Initialize
8073         new fields.
8074         (Target_selector::instantiate_target): Define.
8075         * descriptors.h: Include "gold-threads.h".
8076         (class Descriptors): Add initialize_lock_ field.
8077         * descriptors.cc (Descriptors::Descriptors): Initialize new
8078         field.
8079         (Descriptors::open): Use initialize_lock_ field
8080         * errors.h (class Errors): Add initialize_lock_ field.
8081         * errors.cc (Errors::Errors): Initialize new field.
8082         (Errors::initialize_lock): Use initialize_lock_ field.
8083         * powerpc.cc (class Target_selector_powerpc): Remove
8084         instantiated_target_ field.  In do_recognize call
8085         instantiate_target rather than do_instantiate_target.  In
8086         do_instantiate_target just allocate a new target.
8087         * sparc.cc (class Target_selector_sparc): Likewise.
8088
8089         * freebsd.h: New file.
8090         * i386.cc: Include "freebsd.h".
8091         (Target_i386): Derive from Target_freebsd rather than
8092         Sized_target.
8093         (Target_selector_i386): Derive from Target_selector_freebsd rather
8094         than Target_selector.
8095         * x86_64.cc: Include "freebsd.h".
8096         (Target_x86_64): Derive from Target_freebsd rather than
8097         Sized_target.
8098         (Target_selector_x86_64): Derive from Target_selector_freebsd
8099         rather than Target_selector.
8100         * target.h (class Target): Add adjust_elf_header and
8101         do_adjust_elf_header.
8102         * output.cc (Output_file_header:: do_sized_write): Call target
8103         adjust_elf_header routine.
8104         * configure.tgt: Set targ_osabi.
8105         * configure.ac: Define GOLD_DEFAULT_OSABI.
8106         * parameters.cc (Parameters::default_target): Pass
8107         GOLD_DEFAULT_OSABI to select_target.
8108         * target-select.h (class Target_selector): Make instantiate_target
8109         protected rather than private.
8110         * Makefile.am (HFILES): Add freebsd.h.
8111         * configure, Makefile.in, config.in: Rebuild.
8112
8113         * merge.cc (do_add_input_section): Correct pend value.  Change
8114         message about last entry not being null terminated from error to
8115         warning.
8116
8117 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8118
8119         * incremental.cc: New file.
8120         * Makefile.am (CCFILES): Add incremental.cc.
8121         * Makefile.in: Rebuild.
8122
8123 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8124
8125         * layout.cc (Layout::output_section_name): Preserve names
8126         of '.note.' sections.
8127
8128 2009-03-19  Ian Lance Taylor  <iant@google.com>
8129
8130         * descriptors.cc (Descriptors::open): Check that the options are
8131         valid before using them.
8132
8133 2009-03-18  Ian Lance Taylor  <iant@google.com>
8134
8135         * script-sections.h: Include <list>.
8136         (class Script_sections): Change Sections_elements from std::vector
8137         to std::list.  Typedef public Elements_iterator.  Add
8138         orphan_section_placement_, data_segment_align_start_, and
8139         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8140         field.
8141         * script-sections.cc (class Orphan_section_placement): New class.
8142         (class Sections_element): Add virtual functions is_relro and
8143         orphan_section_init.  Remove virtual function place_orphan_here.
8144         (class Output_section_definition): Add is_relro and
8145         orphan_section_init.  Remove place_orphan_here.
8146         (class Orphan_output_section): Likewise.
8147         (Script_sections::Script_sections): Update for field changes.
8148         (Script_sections::data_segment_align): Set saw_data_segment_align_
8149         and data_segment_align_start_, not data_segment_align_index.
8150         (Script_sections::data_segment_relro_end): Check
8151         saw_data_segment_align_.  Use data_segment_align_start_ rather
8152         than data_segment_align_index_.
8153         (Script_sections::place_orphan): Rewrite to use
8154         Orphan_section_placement.
8155
8156 2009-03-17  Ian Lance Taylor  <iant@google.com>
8157
8158         * archive.cc (Archive::add_symbols): Check for a version attached
8159         to the symbol name in the archive map.
8160         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8161         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8162         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8163         (ver_test_11.a): New target.
8164         * testsuite/Makefile.in: Rebuild.
8165
8166         * configure.ac: Check for chsize and posix_fallocate.  Replace
8167         ftruncate.
8168         * ftruncate.c: New file, from gnulib.
8169         * output.cc (posix_fallocate): Define dummy version if not
8170         HAVE_POSIX_FALLOCATE.
8171         (Output_file::map): Call posix_fallocate rather than lseek and
8172         write.
8173         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8174         * configure, Makefile.in, config.in: Rebuild.
8175
8176 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8177
8178         * layout.h (Layout::create_note): Add section_name parameter.
8179         * layout.cc (Layout::create_note): Likewise.
8180         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8181
8182 2009-03-17  Ian Lance Taylor  <iant@google.com>
8183
8184         * descriptors.cc: Include "options.h".
8185         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8186         (Descriptors::open): Always use O_CLOEXEC when opening a new
8187         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8188         then set FD_CLOEXEC.
8189
8190         * sparc.cc (class Target_sparc): Add has_got_section.
8191         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8192         make sure we have a GOT section.
8193
8194         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8195         (Target_sparc::Scan::local): Likewise.
8196         (Target_sparc::Scan::global): Likewise.
8197         (Target_sparc::Relocate::relocate): Likewise.
8198         (Target_sparc::Relocate::relocate_tls): Likewise.
8199
8200         * symtab.cc (Symbol_table::define_default_version): New function,
8201         broken out of add_from_object.
8202         (Symbol_table::add_from_object): Call define_default_version.
8203         (Symbol_table::define_special_symbol): Add resolve_oldsym
8204         parameter.  Change all callers.  If the version for a symbol comes
8205         from a version script, resolve it with the symbol with the same
8206         name with no version.  Also add the symbol without a version if
8207         appropriate.
8208         (do_define_in_output_data): If resolving with oldsym, don't delete
8209         sym.
8210         (do_define_in_output_segment): Likewise.
8211         (do_define_as_constant): Likewise.
8212         * symtab.h (class Symbol_table): Update declarations.
8213
8214 2009-03-13  Ian Lance Taylor  <iant@google.com>
8215
8216         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8217         (Read_symbols::requeue): New function.
8218         (Read_symbols::do_read_symbols): If make_elf_object fails because
8219         the target type is not configured, and the file was searched for,
8220         issue a warning and retry with the next directory.
8221         (Add_symbols::run): If the file has an incompatible format, and
8222         it was searched for, requeue the Read_symbols task.  On error,
8223         release the object.
8224         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8225         dirindex parameter to constructor.  Change all callers.  Declare
8226         incompatible_warning and requeue.
8227         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8228         input_argument_ and input_group_ fields.  Add them to
8229         constructor.  Change all callers.
8230         (class Read_script): Add dirindex_ field.  Add it to constructor.
8231         Change all callers.
8232         * archive.cc (Archive::setup): Remove input_objects parameter.
8233         Change all callers.
8234         (Archive::get_file_and_offset): Likewise.
8235         (Archive::read_all_symbols): Likewise.
8236         (Archive::read_symbols): Likewise.
8237         (Archive::get_elf_object_for_member): Remove input_objects
8238         parameter.  Add punconfigured parameter.  Change all callers.
8239         (Archive::add_symbols): Change return type to bool.  Check return
8240         value of include_member.
8241         (Archive::include_all_members): Likewise.
8242         (Archive::include_member): Change return type to bool.  Return
8243         false if first included object has incompatible target.  Set
8244         included_member_ field.
8245         (Add_archive_symbols::run): If add_symbols returns false, requeue
8246         Read_symbols task.
8247         * archive.h (class Archive): Add included_member_ field.
8248         Initialize it in constructor.  Add input_file and searched_for
8249         methods.  Update declarations.
8250         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8251         input_argument_ fields.  Add them to constructor.  Change all
8252         callers.
8253         * script.cc: Include "target-select.h".
8254         (class Parser_closure): Add skip_on_incompatible_target_ and
8255         found_incompatible_target_ fields.  Add
8256         skip_on_incompatible_target parameter to constructor.  Change all
8257         callers.  Add methods skip_on_incompatible_target,
8258         clear_skip_on_incompatible_target, found_incompatible_target, and
8259         set_found_incompatible_target.
8260         (read_input_script): Add dirindex parameter.  Change all callers.
8261         If parser finds an incompatible target, requeue Read_symbols
8262         task.
8263         (script_set_symbol): Clear skip_on_incompatible_target in
8264         closure.
8265         (script_add_assertion, script_parse_option): Likewise.
8266         (script_start_sections, script_add_phdr): Likewise.
8267         (script_check_output_format): New function.
8268         * script.h (read_input_script): Update declaration.
8269         * script-c.h (script_check_output_format): Declare.
8270         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8271         (ignore_cmd): Remove OUTPUT_FORMAT.
8272         * fileread.cc (Input_file::Input_file): Add explicit this.
8273         (Input_file::will_search_for): New function.
8274         (Input_file::open): Add pindex parameter.  Change all callers.
8275         * fileread.h (class Input_file): Add input_file_argument method.
8276         Declare will_search_for.  Update declarations.
8277         * object.cc (make_elf_object): Add punconfigured parameter.
8278         Change all callers.
8279         * object.h (class Object): Make input_file public.  Add
8280         searched_for method.
8281         (make_elf_object): Update declaration.
8282         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
8283         restart search.
8284         * dirsearch.h (class Dirsearch): Update declaration.
8285         * options.h (class General_options): Add --warn-search-mismatch.
8286         * parameters.cc (Parameters::is_compatible_target): New function.
8287         * parameters.h (class Parameters): Declare is_compatible_target.
8288         * workqueue.cc (Workqueue::add_blocker): New function.
8289         * workqueue.h (class Workqueue): Declare add_blocker.
8290
8291         * fileread.cc (Input_file::open): Remove options parameter.
8292         Change all callers.
8293         (Input_file::open_binary): Likewise.
8294         * script.cc (read_input_script): Likewise.
8295         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
8296         options parameter from constructor.  Change all callers.
8297         (class Read_script): Likewise.
8298         * fileread.h (class Input_file): Update declarations.
8299         * script.h (read_input_script): Update declaration.
8300
8301 2009-03-10  Nick Clifton  <nickc@redhat.com>
8302
8303         * po/es.po: New Spanish translation.
8304
8305 2009-03-06  Cary Coutant  <ccoutant@google.com>
8306
8307         * options.cc (parse_short_option): Keep dash_z from registering itself.
8308
8309 2009-03-03  Ian Lance Taylor  <iant@google.com>
8310
8311         PR 9918
8312         * target-reloc.h (relocate_section): Pass output_section to
8313         relocate.
8314         * i386.cc (Target_i386::should_apply_static_reloc): Add
8315         output_section parameter.  Change all callers.
8316         (Target_i386::Relocate::relocate): Add output_section parameter.
8317         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8318         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8319         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8320         * testsuite/two_file_shared.sh: New script.
8321         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8322         (check_DATA): Add two_file_shared.dbg.
8323         (two_file_shared.dbg): New target.
8324         * testsuite/Makefile.in: Rebuild.
8325
8326 2009-03-01  Ian Lance Taylor  <iant@google.com>
8327
8328         * configure.ac: Check for byteswap.h.
8329         * configure: Rebuild.
8330         * config.in: Rebuild.
8331
8332 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
8333
8334         * layout.cc (Layout::find_or_add_kept_section): New function.
8335         (Layout::add_comdat): Removed.
8336         * layout.h (struct Kept_section): Move out of class Layout.
8337         Remove trailing underscores from field names.  Add group_sections
8338         field.  Rename group_ field to is_group.  Change all uses.
8339         (class Layout): Declare find_or_add_kept_section, not add_comdat.
8340         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8341         comdat_groups_ field.
8342         (Sized_relobj::include_section_group): Use
8343         find_or_add_kept_section and Kept_section::group_sections.
8344         (Sized_relobj::include_linkonce_section): Likewise.
8345         * object.cc (class Sized_relobj): Don't define Comdat_group or
8346         Comdat_group_table.  Remove find_comdat_group and
8347         add_comdat_group.  Remove comdat_groups_ field.
8348         * plugin.cc (include_comdat_group): Use
8349         Layout::find_or_add_kept_section.
8350
8351 2009-02-28  Ian Lance Taylor  <iant@google.com>
8352
8353         * README: --gc-sections and map files are now supported.  Document
8354         some build requirements.
8355
8356         PR 6992
8357         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8358         relocatable link set the value of the section symbol to zero.
8359         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8360         relocatable link don't include the section address in the local
8361         symbol value.
8362
8363 2009-02-27  Ian Lance Taylor  <iant@google.com>
8364
8365         PR 6811
8366         * options.h (class Search_directory): Add is_system_directory.
8367         (class General_options): Declare is_in_system_directory.
8368         * options.cc (get_relative_sysroot): Make static.
8369         (get_default_sysroot): Make static.
8370         (General_optoins::is_in_system_directory): New function.
8371         * fileread.cc (Input_file::is_in_system_directory): New function.
8372         * fileread.h (class Input_file): Declare is_in_system_directory.
8373         * object.h (class Object): Add is_in_system_directory.
8374         (class Input_objects): Remove system_library_directory_ field.
8375         * object.cc (Input_objects::add_object): Don't set
8376         system_library_directory_.
8377         (input_objects::found_in_system_library_directory): Remove.
8378         * symtab.cc (Symbol_table::write_globals): Remove input_objects
8379         parameter.  Change all callers.
8380         (Symbol_table::sized_write_globals): Likewise.
8381         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8382         Call Object::is_in_system_directory.
8383         * symtab.h (class Symbol_table): Update declarations.
8384
8385         PR 5990
8386         * descriptors.h (Open_descriptor): Add is_on_stack field.
8387         * descriptors.cc (Descriptors::open): If the descriptor is on the
8388         top of the stack, remove it.  Initialize is_on_stack field.
8389         (Descriptors::release): Only add pod to stack if it is not on the
8390         stack already.
8391         (Descriptors::close_some_descriptor): Clear stack_next and
8392         is_on_stack fields.
8393
8394         PR 7091
8395         * output.cc (Output_section::find_starting_output_address): Rename
8396         from starting_output_address; add PADDR parameter; change return
8397         type.
8398         * output.h (class Output_section): Declare
8399         find_starting_output_address instead of starting_output_address.
8400         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8401         section symbol for which we can't find a merge section.
8402
8403         PR 9836
8404         * symtab.cc (Symbol_table::add_from_object): If the visibility is
8405         hidden or internal, force the symbol to be local.
8406         * resolve.cc (Symbol::override_visibility): Define.
8407         (Symbol::override_base): Use override_visibility.
8408         (Symbol_table::resolve): Likewise.
8409         (Symbol::override_base_with_special): Likewise.
8410         (Symbol_table::override_with_special): If the visibility is hidden
8411         or internal, force the symbol to be local.
8412         * symtab.h (class Symbol): Add set_visibility and
8413         override_visibility.
8414         * testsuite/ver_test_1.sh: New file.
8415         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8416         (check_DATA): Add ver_test_1.syms.
8417         (ver_test_1.syms): New target.
8418         * testsuite/Makefile.in: Rebuild.
8419
8420 2009-02-25  Cary Coutant  <ccoutant@google.com>
8421
8422         * layout.cc (Layout::choose_output_section): Don't rename sections
8423         when using a linker script that has a SECTIONS clause.
8424         * Makefile.in: Regenerate.
8425
8426         * testsuite/Makefile.am (script_test_5.sh): New test case.
8427         * testsuite/Makefile.in: Regenerate.
8428         * testsuite/script_test_5.cc: New file.
8429         * testsuite/script_test_5.sh: New file.
8430         * testsuite/script_test_5.t: New file.
8431
8432 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
8433
8434         * archive.cc (Archive::include_member): Update calls to add_symbols.
8435         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8436         the Layout argument.
8437         * dynobj.h (do_add_symbols): Add the Layout argument.
8438         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8439         Layout argument.
8440         * object.h (Object::add_symbols): Add the Layout argument.
8441         (Object::do_add_symbols): Add the Layout argument.
8442         (Sized_relobj::do_add_symbols): Add the Layout argument.
8443         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8444         Unify the two versions.
8445         (Add_plugin_symbols): Remove.
8446         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8447         (Sized_pluginobj::do_add_symbols): Unify the two versions.
8448         (Add_plugin_symbols): Remove.
8449         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8450         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8451         (Add_symbols::run): Make it work with Pulginobj.
8452
8453 2009-02-06  Ian Lance Taylor  <iant@google.com>
8454
8455         * object.cc (Sized_relobj::do_layout): Make info message start
8456         with lower case letter.
8457
8458 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
8459
8460         * binary.cc: Fix file comment.
8461
8462         * options.h (enum Incremental_disposition): Define.
8463         (class General_options): Add new options: --incremental,
8464         --incremental_changed, --incremental_unchanged,
8465         --incremental_unknown.  Add incremental_disposition_ and
8466         implicit_incremental_ fields.
8467         (General_options::incremental_disposition): New function.
8468         (class Position_dependent_options): Add incremental_disposition
8469         option.
8470         (Position_dependent_options::copy_from_options): Set incremental
8471         dispositions.
8472         * options.cc (General_options::parse_incremental_changed): New
8473         function.
8474         (General_options::parse_incremental_unchanged): New function.
8475         (General_options::parse_incremental_unknown): New function.
8476         (General_options::General_options): Initialize new fields
8477         incremental_disposition_ and implicit_incremental_.
8478         (General_options::finalize): Check for uasge of --incremental-*
8479         without --incremental.
8480
8481 2009-02-06  Chris Demetriou  <cgd@google.com>
8482
8483         * gold.h (gold_undefined_symbol): Change to take only a Symbol
8484         pointer and to report location as the file name associated with
8485         the symbol.
8486         (gold_undefined_symbol_at_location): New function to replace the
8487         old gold_undefined_symbol functionality.
8488         * target-reloc.h (relocate_section): Update to use
8489         gold_undefined_symbol_at_location.
8490         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8491         Call gold_undefined_symbol function rather than gold_error.
8492         * errors.h (Errors::undefined_symbol): Take location as a
8493         string, rather than calculating it from a relocation.
8494         * errors.cc (Errors::fatal): Print "fatal error:" before the
8495         formatted message.
8496         (Errors::error, Errors::error_at_location): Print "error: "
8497         before the formatted message.
8498         (Errors::undefined_symbol): Take location as a string, rather
8499         than calculating it from a relocation.
8500         (gold_undefined_symbol_at_location): New function akin to
8501         old gold_undefined_symbol, calculates location from relocation.
8502         (gold_undefined_symbol): Change to take only a Symbol pointer
8503         and to report location as the file name associated with the symbol.
8504         * testsuite/debug_msg.sh: Update for changed error messages.
8505         * testsuite/undef_symbol.sh: Likewise.
8506
8507 2009-02-04  Duncan Sands  <baldrick@free.fr>
8508
8509         PR 9812
8510         * reduced_debug_output.h
8511         (Output_reduced_debug_abbrev_section::failed): Use format for
8512         gold_warning.
8513         (Output_reduced_debug_info_section::faild): Likewise.
8514
8515 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
8516
8517         * script.cc (Lazy_demangler): New class.
8518         (Version_script_info::get_symbol_version_helper): Demangle a
8519         symbol only once.
8520
8521 2009-01-29  Cary Coutant  <ccoutant@google.com>
8522
8523         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
8524         to __tls_get_addr.
8525         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8526
8527 2009-01-28  Ian Lance Taylor  <iant@google.com>
8528
8529         * version.cc (version_string): Bump to 1.9.
8530
8531         * gold.h: Include <cstring> and <stdint.h>.
8532         * version.cc: Include <cstdio>.
8533         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
8534         warning.
8535         * reduced_debug_output.cc (insert_into_vector): Rename from
8536         Insert_into_vector; change all callers.  Use Swap_unaligned to
8537         avoid aliasing issue; remove union since it is unnecessary.
8538
8539 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
8540
8541         * Makefile.am (CCFILES): Add gc.cc.
8542         (HFILES): Add gc.h.
8543         * Makefile.in: Regenerate.
8544         * gold.cc (Gc_runner): New class.
8545         (queue_initial_tasks): Call garbage collection related tasks
8546         when corresponding options are invoked.
8547         (queue_middle_gc_tasks): New function.
8548         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
8549         processed early before laying out sections during garbage collection.
8550         * gold.h (queue_middle_gc_tasks): New function.
8551         (is_prefix_of): Move from "layout.cc".
8552         * i386.cc (Target_i386::gc_process_relocs): New function.
8553         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
8554         * main.cc (main): Create object of class "Garbage_collection".
8555         * object.cc (Relobj::copy_symbols_data): New function.
8556         (Relobj::is_section_name_included): New function.
8557         (Sized_relobj::do_layout): Allow this function to be called twice
8558         during garbage collection and defer layout of section during the
8559         first call.
8560         * object.h (Relobj::get_symbols_data): New function.
8561         (Relobj::is_section_name_included): New function.
8562         (Relobj::copy_symbols_data): New function.
8563         (Relobj::set_symbols_data): New function.
8564         (Relobj::get_relocs_data): New function.
8565         (Relobj::set_relocs_data): New function.
8566         (Relobj::is_output_section_offset_invalid): New pure virtual function.
8567         (Relobj::gc_process_relocs): New function.
8568         (Relobj::do_gc_process_relocs): New pure virtual function.
8569         (Relobj::sd_): New data member.
8570         (Sized_relobj::is_output_section_offset_invalid): New function.
8571         (Sized_relobj::do_gc_process_relocs): New function.
8572         * options.h (General_options::gc_sections): Modify to not be a no-op.
8573         (General_options::print_gc_sections): New option.
8574         * plugin.cc (Plugin_finish::run): Remove function call to
8575         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
8576         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
8577         * reloc.cc (Read_relocs::run): Add task to process relocs and
8578         determine unreferenced sections when doing garbage collection.
8579         (Gc_process_relocs): New class.
8580         (Sized_relobj::do_gc_process_relocs): New function.
8581         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
8582         sections that are garbage collected.
8583         * reloc.h (Gc_process_relocs): New class.
8584         * sparc.cc (Target_sparc::gc_process_relocs): New function.
8585         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
8586         symbols whose corresponding sections are garbage collected.
8587         (Symbol_table::Symbol_table): Add new parameter for the garbage
8588         collection object.
8589         (Symbol_table::gc_mark_undef_symbols): New function.
8590         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8591         (Symbol_table::gc_mark_dyn_syms): New function.
8592         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
8593         as garbage.
8594         (Symbol_table::add_from_object): Likewise.
8595         (Symbol_table::add_from_relobj): When building shared objects, do not
8596         treat externally visible symbols as garbage.
8597         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
8598         table information for static and relocatable links.
8599         * symtab.h (Symbol_table::set_gc): New function.
8600         (Symbol_table::gc): New function.
8601         (Symbol_table::gc_mark_undef_symbols): New function.
8602         (Symbol_table::gc_mark_symbol_for_shlib): New function.
8603         (Symbol_table::gc_mark_dyn_syms): New function.
8604         (Symbol_table::gc_): New data member.
8605         * target.h (Sized_target::gc_process_relocs): New pure virtual
8606         function.
8607         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
8608         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
8609
8610 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
8611
8612         * options.h (General_options::gc_sections): Define as a no-op for now.
8613         (General_options::no_keep_memory): Ditto.
8614         (General_options::Bshareable): Define.
8615         * options.cc (General_options::finalize): Honor -Bshareable.
8616
8617 2009-01-20  Andreas Schwab  <schwab@suse.de>
8618
8619         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
8620         read the value in the contents, since we don't use it.  Use the
8621         template endianness when writing.
8622         (Relocate::relocate): Use it for R_PPC_REL16_HA.
8623
8624 2009-01-19  Andreas Schwab  <schwab@suse.de>
8625
8626         * configure.tgt (powerpc64-*): Fix targ_obj.
8627
8628 2009-01-15  Ian Lance Taylor  <iant@google.com>
8629
8630         * object.cc (Sized_relobj::write_local_symbols): Don't write out
8631         local symbols when stripping all symbols.
8632
8633 2009-01-14  Cary Coutant  <ccoutant@google.com>
8634
8635         * output.cc (Output_reloc): Add explicit instantiations.
8636
8637 2009-01-14  Cary Coutant  <ccoutant@google.com>
8638
8639         * archive.cc (Archive::get_elf_object_for_member): Remove call
8640         to File_read::claim_for_plugin.
8641         * descriptors.cc (Descriptors::open): Remove reference to
8642         is_claimed.
8643         (Descriptors::claim_for_plugin): Remove.
8644         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8645         (Descriptors::is_claimed): Remove.
8646         (claim_descriptor_for_plugin): Remove.
8647         * fileread.cc (File_read::claim_for_plugin): Remove.
8648         * fileread.h (File_read::claim_for_plugin): Remove.
8649         (File_read::descriptor): Reopen descriptor if necessary.
8650         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8651         (Plugin_manager::all_symbols_read): Add task parameter. Change
8652         all callers.
8653         (Plugin_manager::get_input_file): New function.
8654         (Plugin_manager::release_input_file): New function.
8655         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8656         corresponding data member.
8657         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8658         and pass to base constructor. Change all callers.
8659         (get_input_file, release_input_file): New functions.
8660         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8661         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8662         (Plugin_manager::all_symbols_read): Add task parameter.
8663         (Plugin_manager::get_input_file): New function.
8664         (Plugin_manager::release_input_file): New function.
8665         (Plugin_manager::task_): New data member.
8666         (Pluginobj::Pluginobj): Add filesize parameter.
8667         (Pluginobj::filename): New function.
8668         (Pluginobj::descriptor): New function.
8669         (Pluginobj::filesize): New function.
8670         (Pluginobj::filesize_): New data member.
8671         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8672         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8673         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8674
8675         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8676         with archive libraries.
8677         * testsuite/Makefile.in: Regenerate.
8678         * testsuite/plugin_test.c (struct sym_info): New type.
8679         (get_input_file, release_input_file): New static variables.
8680         (onload): Capture new transfer vector entries.
8681         (claim_file_hook): Stop reading at end of file according to filesize.
8682         Factor out parsing of readelf output into separate function.
8683         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8684         APIs and get the source file name from the symbol table.  Convert
8685         source file name to corresponding object file name.  Print info
8686         message when adding new input files.
8687         (parse_readelf_line): New function.
8688         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8689         * testsuite/plugin_test_2.sh: Likewise.
8690         * testsuite/plugin_test_3.sh: Likewise.
8691         * testsuite/plugin_test_4.sh: New test case.
8692
8693 2009-01-07  Ian Lance Taylor  <iant@google.com>
8694
8695         * version.cc (version_string): Bump to 1.8.
8696
8697 2008-12-23  Cary Coutant  <ccoutant@google.com>
8698
8699         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8700         * plugin.cc (Plugin_manager::finish): Rename as
8701         layout_deferred_objects.  Move cleanup to separate function.
8702         (Plugin_manager::cleanup): New function.
8703         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8704         separately.
8705         * plugin.h (Plugin_manager::finish): Rename as
8706         layout_deferred_objects.
8707         (Plugin_manager::cleanup): New function.
8708         (Plugin_manager::cleanup_done): New field.
8709
8710 2008-12-23  Cary Coutant  <ccoutant@google.com>
8711
8712         * plugin.cc (is_visible_from_outside): New function.
8713         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8714         so we don't return "IR only" status for exported symbols or -r links.
8715
8716         * testsuite/Makefile.am (plugin_test_3): New test case.
8717         * testsuite/Makefile.in: Regenerate.
8718         * testsuite/plugin_test_3.sh: New file.
8719
8720 2008-12-22  Cary Coutant  <ccoutant@google.com>
8721
8722         * object.cc (Sized_relobj::layout_section): New function.
8723         (Sized_relobj::do_layout): Defer layout of input sections until after
8724         plugin has provided replacement files.
8725         (Sized_relobj::do_layout_deferred_sections): New function.
8726         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8727         (Relobj::layout_deferred_sections): New function.
8728         (Relobj::do_layout_deferred_sections): New function.
8729         (Sized_relobj::do_layout_deferred_sections): New function.
8730         (Sized_relobj::layout_section): New function.
8731         (Sized_relobj::Deferred_layout): New structure.
8732         (Sized_relobj::deferred_layout_): New field.
8733         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8734         Change all callers.  Layout deferred sections.
8735         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8736         references.
8737         (Plugin_hook::run): Move code from do_plugin_hook inline.
8738         (Plugin_hook::do_plugin_hook): Remove.
8739         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8740         (Plugin_manager::finish): Renamed, was cleanup.
8741         (Plugin_manager::should_defer_layout): New function.
8742         (Plugin_manager::add_deferred_layout_object): New function.
8743         (Plugin_manager::Deferred_layout_list): New type.
8744         (Plugin_manager::deferred_layout_objects_): New field.
8745         (Plugin_hook::do_plugin_hook): Remove.
8746
8747 2008-12-17  Ian Lance Taylor  <iant@google.com>
8748
8749         * options.h (class General_options): Add --no case for
8750         --export-dynamic.
8751
8752 2008-12-16  Cary Coutant  <ccoutant@google.com>
8753
8754         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8755         vector.
8756         (Plugin_manager::claim_file): Create plugin object even if
8757         plugin did not call the add_symbols callback.
8758         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8759         asking for more symbols than were added.
8760         * testsuite/Makefile.am (plugin_test_1): Add test case with
8761         no global symbols.
8762         (empty.syms): New target.
8763         * testsuite/Makefile.in: Regenerate.
8764         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8765         message. Don't call add_symbols if no globals.
8766         (all_symbols_read_hook): Don't provide replacement for empty
8767         claimed file.
8768
8769 2008-12-12  Ian Lance Taylor  <iant@google.com>
8770
8771         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8772         r_type == 0 for a local symbol with r_sym == 0.
8773         (scan_relocatable_relocs): Pass r_sym to
8774         local_non_section_strategy.
8775         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8776         r_sym parameter.
8777
8778         * configure.ac: Update test for TLS descriptors: they are
8779         supported as of glibc 2.9.
8780         * configure: Rebuild.
8781
8782 2008-12-11  Ian Lance Taylor  <iant@google.com>
8783
8784         PR 7091
8785         * target-reloc.h (Default_scan_relocatable_relocs): For each
8786         function, map r_type == 0 to RELOC_DISCARD.
8787
8788 2008-12-10  Cary Coutant  <ccoutant@google.com>
8789
8790         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8791         object to override a kept COMDAT group from a plugin object.
8792
8793 2008-12-09  Ian Lance Taylor  <iant@google.com>
8794
8795         PR 7088
8796         * yyscript.y (file_cmd): Handle INPUT.
8797
8798         * testsuite/initpri1.c: Change all declarations to be full
8799         prototypes by adding void, to avoid compiler warnings.
8800
8801 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8802
8803         * options.cc (General_options::parse_plugin_opt): New.
8804         (General_options::add_plugin): The argument now is just the filename.
8805         (General_options::add_plugin_option): New.
8806         * options.h (plugin_opt): New.
8807         (add_plugin): Change argument name.
8808         (add_plugin_option): New.
8809         * plugin.cc (Plugin::load): Don't parse the plugin option.
8810         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8811         (Plugin::add_option): New.
8812         (Plugin::args_): Change type.
8813         (Plugin::filename_): New.
8814         (Plugin_manager::add_plugin_option): New.
8815         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8816         * testsuite/Makefile.in: Regenerate.
8817
8818 2008-12-05  Cary Coutant  <ccoutant@google.com>
8819
8820         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8821         Handle --strip-lto-sections option.
8822         * options.h (strip_lto_sections): New option.
8823
8824 2008-12-01  Cary Coutant  <ccoutant@google.com>
8825
8826         * plugin.cc (ld_plugin_message): Change format parameter to const.
8827         Fix mismatch between new[] and delete.
8828
8829 2008-11-14  Cary Coutant  <ccoutant@google.com>
8830
8831         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8832         instead of -1U.
8833
8834 2008-11-05  Craig Silverstein  <csilvers@google.com>
8835
8836         * options.cc (General_options::parse_dynamic_list): New function.
8837         * options.h (General_options): New flags dynamic_list,
8838         dynamic_list_data, dynamic_list_cpp_new, and
8839         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8840         (General_options::in_dynamic_list): New function.
8841         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8842         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8843         (Lex::can_continue_name): Likewise.
8844         (yylex): Likewise.
8845         (read_script_file): New parameter script_options.
8846         (read_dynamic_list): New function.
8847         (Script_options::define_dynamic_list): New function.
8848         (dynamic_list_keyword_parsecodes): New variable.
8849         (dynamic_list_keywords): New variable.
8850         * script.h (Script_options::define_dynamic_list): New function
8851         prototype.
8852         (read_dynamic_list): New function prototype.
8853         * symtab.cc (strprefix): New macro.
8854         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8855         dynamic_list_data, dynamic_list_cpp_new, and
8856         dynamic_list_cpp_typeinfo.
8857         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8858         (dynamic_list_expr): New rule.
8859         (dynamic_list_nodes): Likewise.
8860         (dynamic_list_node): Likewise.
8861         * testsuite/Makefile.am (dynamic_list): New test.
8862         * testsuite/Makefile.in: Regenerated.
8863         * testsuite/dynamic_list.t: New file.
8864         * testsuite/dynamic_list.sh: New file.
8865
8866 2008-11-05  Craig Silverstein  <csilvers@google.com>
8867
8868         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8869         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8870         (t11_last): Likewise.
8871         * testsuite/ver_test_6.c (main): Likewise.
8872
8873 2008-10-07  Cary Coutant  <ccoutant@google.com>
8874
8875         * options.c (General_options::finalize): Add check for -static and
8876         -shared.
8877         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8878         is not empty.
8879
8880 2008-10-02  Cary Coutant  <ccoutant@google.com>
8881
8882         * plugin.cc (make_sized_plugin_object): Fix conditional
8883         compilation to work when not all targets are enabled.
8884
8885 2008-09-29  Cary Coutant  <ccoutant@google.com>
8886
8887         * archive.cc (Archive::get_file_and_offset): Use filename instead
8888         of name to get library path.
8889         (Archive::include_member): Unlock external member of a thin archive.
8890
8891         * testsuite/Makefile.am (TEST_AR): New variable.
8892         (thin_archive_test_1): New test.
8893         (thin_archive_test_2): New test.
8894         * testsuite/Makefile.in: Regenerate.
8895         * testsuite/thin_archive_main.cc: New file.
8896         * testsuite/thin_archive_test_1.cc: New file.
8897         * testsuite/thin_archive_test_2.cc: New file.
8898         * testsuite/thin_archive_test_3.cc: New file.
8899         * testsuite/thin_archive_test_4.cc: New file.
8900
8901 2008-09-29  Cary Coutant  <ccoutant@google.com>
8902
8903         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8904         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8905         instead of -1U.
8906         (Sized_relobj::do_finalize_local_symbols): Likewise.
8907         (Sized_relobj::map_to_kept_section): Likewise.
8908         * object.h (Sized_relobj::invalid_address): New constant.
8909         (Sized_relobj::do_output_section_offset): Check for invalid_address
8910         and return -1ULL.
8911         * output.cc (Output_reloc::local_section_offset): Use constant
8912         invalid_address instead of -1U.
8913         (Output_reloc::get_address): Likewise.
8914         (Output_section::output_address): Change -1U to -1ULL.
8915         * output.h (Output_reloc::invalid_address): New constant.
8916         * reloc.cc (Sized_relobj::write_sections): Use constant
8917         invalid_address instead of -1U.
8918         (Sized_relobj::relocate_sections): Likewise.
8919         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8920         values for merge sections.
8921         * target-reloc.h (relocate_for_relocatable): Use constant
8922         invalid_address instead of -1U.
8923
8924 2008-09-19  Cary Coutant  <ccoutant@google.com>
8925
8926         Add plugin functionality for link-time optimization (LTO).
8927         * configure.ac (plugins): Add --enable-plugins option.
8928         * configure: Regenerate.
8929         * config.in: Regenerate.
8930         * Makefile.am (LIBDL): New variable.
8931         (CCFILES): Add plugin.cc.
8932         (HFILES): Add plugin.h.
8933         (ldadd_var): Add LIBDL.
8934         * Makefile.in: Regenerate.
8935
8936         * archive.cc: Include "plugin.h".
8937         (Archive::setup): Don't preread archive symbols when using a plugin.
8938         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8939         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8940         files.
8941         (Archive::include_member): Add symbols from plugin objects.
8942         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8943         * descriptors.cc (Descriptors::open): Check for file descriptors
8944         abandoned by plugins.
8945         (Descriptors::claim_for_plugin): New function.
8946         * descriptors.h (Descriptors::claim_for_plugin): New function.
8947         (Open_descriptor::is_claimed): New field.
8948         (claim_descriptor_for_plugin): New function.
8949         * fileread.cc (File_read::claim_for_plugin): New function.
8950         * fileread.h (File_read::claim_for_plugin): New function.
8951         (File_read::descriptor): New function.
8952         * gold.cc: Include "plugin.h".
8953         (queue_initial_tasks): Add task to call plugin hooks for generating
8954         new object files.
8955         * main.cc: Include "plugin.h".
8956         (main): Load plugin libraries.
8957         * object.h (Pluginobj): Declare.
8958         (Object::pluginobj): New function.
8959         (Object::do_pluginobj): New function.
8960         (Object::set_target): New function.
8961         * options.cc: Include "plugin.h".
8962         (General_options::parse_plugin): New function.
8963         (General_options::General_options): Initialize plugins_ field.
8964         (General_options::add_plugin): New function.
8965         * options.h (Plugin_manager): Declare.
8966         (General_options): Add --plugin option.
8967         (General_options::has_plugins): New function.
8968         (General_options::plugins): New function.
8969         (General_options::add_plugin): New function.
8970         (General_options::plugins_): New field.
8971         * plugin.cc: New file.
8972         * plugin.h: New file.
8973         * readsyms.cc: Include "plugin.h".
8974         (Read_symbols::do_read_symbols): Check for archive before checking
8975         for ELF file.  Call plugin hooks to claim files.
8976         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8977         from a real object file; force override when processing replacement
8978         files.
8979         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8980         (Symbol::init_base_object): Likewise.
8981         (Symbol::init_base_output_data): Likewise.
8982         (Symbol::init_base_output_segment): Likewise.
8983         (Symbol::init_base_constant): Likewise.
8984         (Symbol::init_base_undefined): Likewise.
8985         (Symbol::output_section): Assert that object is not a plugin.
8986         (Symbol_table::add_from_pluginobj): New function.
8987         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8988         undefined.
8989         (Symbol_table::sized_write_globals): Likewise.
8990         (Symbol_table::add_from_pluginobj): Instantiate template.
8991         * symtab.h (Sized_pluginobj): Declare.
8992         (Symbol::in_real_elf): New function.
8993         (Symbol::set_in_real_elf): New function.
8994         (Symbol::in_real_elf_): New field.
8995         (Symbol_table::add_from_pluginobj): New function.
8996
8997         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8998         (LIBDL): New variable.
8999         (LDADD): Add LIBDL.
9000         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9001         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9002         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9003         (MOSTLYCLEANFILES): Likewise.
9004         * testsuite/Makefile.in: Regenerate.
9005         * testsuite/plugin_test.c: New file.
9006         * testsuite/plugin_test_1.sh: New file.
9007         * testsuite/plugin_test_2.sh: New file.
9008
9009 2008-09-16  Ian Lance Taylor  <iant@google.com>
9010
9011         * target-reloc.h (relocate_section): Check whether a symbol is
9012         defined by the ABI before reporting an undefined symbol error.
9013         * target.h (Target::is_defined_by_abi): Make parameter const.
9014         (Target::do_is_defined_by_abi): Likewise.
9015         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9016         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9017         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9018         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9019         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9020         * testsuite/Makefile.in: Rebuild.
9021
9022         * fileread.cc (make_view): Add casts to avoid warning.
9023
9024 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9025
9026         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9027         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9028
9029 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9030
9031         * options.h (General_options::output_is_executable): New.
9032         (General_options::output_is_pie): New.
9033         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9034         for shared libraries.
9035         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9036
9037 2008-09-11  Chris Demetriou  <cgd@google.com>
9038
9039         * options.h (origin): New -z option.
9040         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9041         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9042         in DT_FLAGS_1.
9043
9044 2008-09-05  Cary Coutant  <ccoutant@google.com>
9045
9046         * fileread.cc (File_read::make_view): Add check for attempt to map
9047         beyond end of file.
9048
9049 2008-09-05  Cary Coutant  <ccoutant@google.com>
9050
9051         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9052         explicit instantiations.
9053
9054 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9055
9056         PR gold/6858
9057         * options.cc (General_options::finalize): Allow undefined symbols
9058         in shlibs if linking -shared.
9059
9060         PR gold/6859
9061         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9062         symbols as not needing a dynsym entry.
9063
9064 2008-08-20  Craig Silverstein  <csilvers@google.com>
9065
9066         * fileread.cc (File_read::open): Do not lock the file unless it
9067         was successfully opened.
9068
9069 2008-08-14  Cary Coutant  <ccoutant@google.com>
9070
9071         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9072         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9073         * testsuite/tls_test.cc (struct int128): 128-bit struct
9074         for testing TLS relocs with non-zero addend.
9075         (v12): New TLS variable.
9076         (t12): New test.
9077         (t_last): Add check for v12.
9078         * testsuite/tls_test.h (t12): New function.
9079         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9080
9081 2008-08-13  Ian Lance Taylor  <iant@google.com>
9082
9083         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9084         set tls_segment_ or relro_segment_.
9085         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9086         when appropriate.
9087         * output.h (Output_section::clear_is_relro): New function.
9088         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9089         sections specially even when output_data_ is empty.
9090         (Output_segment::maximum_alignment): When first section is relro,
9091         only force alignment for PT_LOAD segments.
9092         * script.cc (script_data_segment_align): New function.
9093         (script_data_segment_relro_end): New function.
9094         * script-c.h (script_data_segment_align): Declare.
9095         (script_data_segment_relro_end): Declare.
9096         * script-sections.h (class Script_sections): Declare
9097         data_segment_align and data_segment_relro_end.  Add fields
9098         segment_align_index_ and saw_relro_end_.
9099         * script-sections.cc (class Sections_element): Add set_is_relro
9100         virtual function.  Add new bool* parameter to place_orphan_here.
9101         Add get_output_section virtual function.
9102         (class Output_section_definition): Add set_is_relro.  Add new
9103         bool* parameter to place_orphan_here.  Add get_output_section.
9104         Add is_relro_ field.
9105         (Output_section_definition::Output_section_definition): Initialize
9106         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9107         and is_relro_ fields.
9108         (Output_section_definition::place_orphan_here): Add is_relro
9109         parameter.
9110         (Output_section_definition::set_section_addresses): Set relro for
9111         output section.
9112         (Output_section_definition::alternate_constraint): Likewise.
9113         (class Orphan_output_section): Add new bool* parameter to
9114         place_orphan_here.  Add get_output_section.
9115         (Orphan_output_section::place_orphan_here): Add is_relro
9116         parameter.
9117         (Script_sections::Script_sections): Initialize
9118         data_segment_align_index_ and saw_relro_end_.
9119         (Script_sections::data_segment_align): New function.
9120         (Script_sections::data_segment_relro_end): New function.
9121         (Script_sections::place_orphan): Set or clear is_relro.
9122         (Script_sections::set_section_addresses): Force alignment of first
9123         TLS section.
9124         * yyscript.y (exp): Call script_data_segment_align and
9125         script_data_segment_relro_end.
9126         * testsuite/relro_script_test.t: New file.
9127         * testsuite/relro_test.cc (using_script): Declare.
9128         (t1, t2): Test using_script.
9129         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9130         (relro_script_test_SOURCES): Define.
9131         (relro_script_test_DEPENDENCIES): Define.
9132         (relro_script_test_LDFLAGS): Define.
9133         (relro_script_test_LDADD): Define.
9134         (relro_script_test.so): New target.
9135         * testsuite/Makefile.in: Rebuild.
9136
9137 2008-08-06  Cary Coutant <ccoutant@google.com>
9138
9139         * archive.cc (Archive::total_archives, Archive::total_members)
9140         (Archive::total_members_loaded): New variables.
9141         (Archive::setup): Add parameter.  Add option to preread
9142         archive symbols.
9143         (Archive::read_armap): Add counter.
9144         (Archive::get_file_and_offset): New function.
9145         (Archive::get_elf_object_for_member): New function.
9146         (Archive::read_all_symbols): New function.
9147         (Archive::read_symbols): New function.
9148         (Archive::add_symbols): Add counters.
9149         (Archive::include_all_members): Use armap to find members if it's
9150         already built.
9151         (Archive::include_member): Skip reading symbols if already read.
9152         Factored code into Archive::get_file_and_offset and
9153         Archive::get_elf_object_for_member.  Changed call to
9154         Mapfile::report_include_archive_member.
9155         (Archive::print_stats): New function.
9156         * archive.h: Declare Object and Read_symbols_data classes.
9157         (Archive::Archive): Add initializers for new members.
9158         (Archive::setup): Add parameter.
9159         (Archive::print_stats): New function.
9160         (Archive::total_archives, Archive::total_members)
9161         (Archive::total_members_loaded): New variables.
9162         (Archive::get_file_and_offset): New function.
9163         (Archive::get_elf_object_for_member): New function.
9164         (Archive::read_all_symbols): New function.
9165         (Archive::read_symbols): New function.
9166         (Archive::Archive_member): New class.
9167         (Archive::members_): New member.
9168         (Archive::num_members_): New member.
9169         * main.cc: Include archive.h.
9170         (main): Call Archive::print_stats.
9171         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9172         archive parameter; member_name is now the fully-decorated name.
9173         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9174         * options.h: (General_options): Add --preread-archive-symbols option.
9175         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9176         Archive::setup.
9177
9178 2008-08-04  Ian Lance Taylor  <iant@google.com>
9179
9180         * symtab.h (Symbol::use_plt_offset): New function.
9181         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9182         * powerpc.cc (Relocate::relocate): Likewise.
9183         * sparc.cc (Relocate::relocate): Likewise.
9184         * x86_64.cc (Relocate::relocate): Likewise.
9185         * testsuite/weak_plt.sh: New test.
9186         * testsuite/weak_plt_main.cc: New test.
9187         * testsuite/weak_plt_shared.cc: New test.
9188         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9189         (check_PROGRAMS): Add weak_plt.
9190         (check_DATA): Add weak_plt_shared.so.
9191         (weak_plt_main_pic.o, weak_plt): New targets.
9192         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9193         * testsuite/Makefile.in: Rebuild.
9194
9195         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9196         gcctestdir/ld.
9197         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9198         * testsuite/Makefile.in: Rebuild.
9199
9200 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9201
9202         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9203         * Makefile.in: Regenerate.
9204         * po/POTFILES.in: Regenerate.
9205
9206 2008-07-29  Ian Lance Taylor  <iant@google.com>
9207
9208         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9209         symbols before other symbols.
9210         * testsuite/script_test_2.cc (test_addr): Declare.
9211         (test_addr_alias): Declare.
9212         (main): Check that test_addr and test_addr_alias have the right
9213         values.
9214         * testsuite/script_test_2.t: Define test_addr_alias and
9215         test_addr.
9216
9217 2008-07-24  Ian Lance Taylor  <iant@google.com>
9218
9219         PR 5990
9220         * descriptors.cc: New file.
9221         * descriptors.h: New file.
9222         * gold-threads.h (class Hold_optional_lock): New class.
9223         * fileread.cc: Include "descriptors.h".
9224         (File_read::~File_read): Release descriptor rather than closing
9225         it.
9226         (File_read::open) [file]: Call open_descriptor rather than open.
9227         Set is_descriptor_opened_.
9228         (File_read::open) [memory]: Assert that descriptor is not open.
9229         (File_read::reopen_descriptor): New function.
9230         (File_read::release): Release descriptor.
9231         (File_read::do_read): Make non-const.  Reopen descriptor.
9232         (File_read::read): Make non-const.
9233         (File_read::make_view): Reopen descriptor.
9234         (File_read::do_readv): Likewise.
9235         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9236         Update declarations.
9237         * layout.cc: Include "descriptors.h".
9238         (Layout::create_build_id): Use open_descriptor rather than open.
9239         * output.cc: Include "descriptors.h".
9240         (Output_file::open): Use open_descriptor rather than open.
9241         * archive.cc (Archive::const_iterator): Change Archive to be
9242         non-const.
9243         (Archive::begin, Archive::end): Make non-const.
9244         (Archive::count_members): Likewise.
9245         * archive.h (class Archive): Update declarations.
9246         * object.h (Object::read): Make non-const.
9247         * Makefile.am (CCFILES): Add descriptors.cc.
9248         (HFILES): Add descriptors.h.
9249         * Makefile.in: Rebuild.
9250
9251         PR 6716
9252         * gold.h: Always include <clocale>.  Add Solaris workarounds
9253         following code in binutils/sysdep.h.
9254
9255         PR 6048
9256         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9257         this->eh_frame_hdr_ is NULL before using it.
9258
9259         * dynobj.cc (Versions::Versions): Update comment.
9260
9261         * dynobj.cc (Versions::Versions): If there is an soname, use it as
9262         the base version name.
9263
9264         * stringpool.cc (Stringpool_template::add_with_length): Set key to
9265         array size plus one.
9266         (Stringpool_template::set_string_offsets): Subtract one from key
9267         before using it as an array index.
9268         (Stringpool_template::get_offset_with_length): Likewise.
9269         (Stringpool_template::write_to_buffer): Likewise.
9270         * stringpool.h (Stringpool_template::get_offset_from_key):
9271         Likewise.
9272
9273 2008-07-23  Ian Lance Taylor  <iant@google.com>
9274
9275         PR 6658
9276         * object.h (Merged_symbol_value::value): Do our best to handle a
9277         negative addend.
9278
9279         PR 6647
9280         * script.cc (Version_script_info::get_versions): Don't add empty
9281         version tag to return value.
9282         (Version_script_info::get_symbol_version_helper): Change return
9283         type to bool.  Add pversion parameter.  Change all callers.
9284         (script_register_vers_node): Don't require a non-NULL tag.
9285         * script.h (class Version_script_info): Update declarations.
9286         (Version_script_info::get_symbol_version): Change return type to
9287         bool.  Add version parameter.  Change all callers.
9288         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9289         handling.  Handle an empty version from a version script.
9290         (Symbol_table::define_special_symbol): Likewise.
9291         * testsuite/ver_test_10.script: New file.
9292         * testsuite/ver_test_10.sh: New file.
9293         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9294         (check_DATA): Add ver_test_10.syms.
9295         (ver_test_10.syms, ver_test_10.so): New target.
9296         * testsuite/Makefile.in: Rebuild.
9297
9298 2008-07-23  Simon Baldwin  <simonb@google.com>
9299
9300         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9301         to zero for undefined symbols from dynamic libraries.
9302
9303 2008-07-23  Ian Lance Taylor  <iant@google.com>
9304
9305         * symtab.cc (Symbol_table::resolve): Remove version parameter.
9306         Change all callers.
9307         * symtab.h (class Symbol_table): Update declaration.
9308         * testsuite/ver_test_9.cc: New file.
9309         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9310         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9311         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9312         (ver_test_9.so, ver_test_9.o): New targets.
9313         * testsuite/Makefile.in: Rebuild.
9314
9315 2008-07-22  Ian Lance Taylor  <iant@google.com>
9316
9317         * options.h (class General_options): Define --check-sections.
9318         * layout.cc (Layout::set_segment_offsets): Handle
9319         --check-sections.
9320
9321         * options.h (class General_options): Define -n/--nmagic and
9322         -N/--omagic.
9323         * options.cc (General_options::finalize): For -n/--nmagic or
9324         -N/--omagic, set -static.
9325         * layout.cc (Layout::attach_allocated_section_to_segment): If
9326         -N/--omagic, don't put read-only and read-write sections in
9327         different segments.
9328         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9329         finding a read-only segment.
9330         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9331         don't set the minimum segment alignment to the common page size,
9332         and don't set the file offset to the address modulo the page size.
9333         * script-sections.cc (Script_sections::create_segments): If
9334         -n/--omagic, don't put read-only and read-write sections in
9335         different segments.
9336
9337         * cref.cc: New file.
9338         * cref.h: New file.
9339         * options.h (class General_options): Add --print-symbol-counts.
9340         * main.cc (main): Issue defined symbol report if requested.
9341         * archive.cc (Archive::interpret_header): Make into a const member
9342         function.
9343         (Archive::add_symbols): Call Input_objects::archive_start and
9344         archive_stop.
9345         (Archive::const_iterator): Define new class.
9346         (Archive::begin, Archive::end): New functions.
9347         (Archive::include_all_members): Rewrite to use iterator.
9348         (Archive::count_members): New function.
9349         * archive.h (class Archive): Update declarations.
9350         (Archive::filename): New function.
9351         * object.cc: Include "cref.h".
9352         (Sized_relobj::Sized_relobj): Initialize defined_count_.
9353         (Sized_relobj::do_get_global_symbol_counts): New function.
9354         (Input_objects::add_object): Add object to cross-referencer.
9355         (Input_objects::archive_start): New function.
9356         (Input_objects::archive_stop): New function.
9357         (Input_objects::print_symbol_counts): New function.
9358         * object.h: Declare Cref and Archive.
9359         (Object::get_global_symbol_counts): New function.
9360         (Object::do_get_global_symbol_counts): New pure virtual function.
9361         (class Sized_relobj): Add defined_count_ field.  Update
9362         declarations.
9363         (class Input_objects): Add cref_ field.  Update constructor.
9364         Update declarations.
9365         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9366         defined_count_.
9367         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9368         symbol counts.
9369         (Sized_dynobj::do_get_global_symbol_counts): New function.
9370         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9371         defined_count_.  Update declarations.  Define Symbols typedef.
9372         * symtab.cc (Symbol_table::add_from_relobj): Add defined
9373         parameter.  Change all callers.
9374         (Symbol_table::add_from_dynobj): Add sympointers and defined
9375         parameters.  Change all callers.
9376         * symtab.h (class Symbol_table): Update declarations.
9377         * Makefile.am (CCFILES): Add cref.cc.
9378         (HFILES): Add cref.h.
9379         * Makefile.in: Rebuild.
9380
9381 2008-07-22  Simon Baldwin  <simonb@google.com>
9382
9383         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9384         to zero when writing undefined symbols.
9385
9386 2008-07-22  Ian Lance Taylor  <iant@google.com>
9387
9388         * output.cc (Output_section::add_input_section): Don't try to
9389         merge empty merge sections.
9390
9391 2008-07-21  Craig Silverstein  <csilvers@google.com>
9392
9393         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9394         Include symbol version in error message.
9395
9396 2008-07-20  Chris Demetriou  <cgd@google.com>
9397
9398         * configure.ac (gold_cv_c_random_seed): New configured variable.
9399         (RANDOM_SEED_CFLAGS): New substituted variable.
9400         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9401         * configure: Rebuild.
9402         * Makefile.in: Likewise.
9403         * testsuite/Makefile.in: Likewise.
9404
9405 2008-07-18  Ian Lance Taylor  <iant@google.com>
9406
9407         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9408         where we see NAME/NULL and NAME/VERSION  as separate symbols.
9409         * testsuite/ver_test_main.cc (main): Call t4.
9410         (t4, t4_2a): Define.
9411         * testsuite/ver_test_2.cc (t4_2): Define.
9412         * testsuite/ver_test_2.script: Put t4_2a in VER2.
9413         * testsuite/ver_test_4.cc (t4_2a): Define.
9414         * testsuite/ver_test_4.script: Put t4_2a in VER2.
9415         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9416
9417 2008-07-17  Ian Lance Taylor  <iant@google.com>
9418
9419         * dynobj.cc (Versions::add_def): If we give an error about a
9420         missing version, go ahead and create the version anyhow.
9421
9422 2008-07-10  Ian Lance Taylor  <iant@google.com>
9423
9424         Handle output sections with more than 0x7fffffff bytes.
9425         * object.h (class Relobj): Change map_to_output_ to
9426         output_sections_, and just keep a section pointer.  Change all
9427         uses.  Move comdat group support to Sized_relobj.
9428         (Relobj::is_section_specially_mapped): Remove.
9429         (Relobj::output_section): Remove poff parameter.  Change all
9430         callers.
9431         (Relobj::output_section_offset): New function.
9432         (Relobj::set_section_offset): Rewrite.
9433         (Relobj::map_to_output): Remove.
9434         (Relobj::output_sections): New function.
9435         (Relobj::do_output_section_offset): New pure virtual function.
9436         (Relobj::do_set_section_offset): Likewise.
9437         (class Sized_relobj): Add section_offsets_ field.  Add comdat
9438         group support from Relobj.  Update declarations.
9439         (Sized_relobj::get_output_section_offset): New function.
9440         (Sized_relobj::do_output_section_offset): New function.
9441         (Sized_relobj::do_set_section_offset): New function.
9442         * object.cc (Relobj::output_section_address): Remove.
9443         (Sized_relobj::Sized_relobj): Initialize new fields.
9444         (Sized_relobj::include_section_group): Cast find_kept_object to
9445         Sized_relobj.
9446         (Sized_relobj::include_linkonce_section): Likewise.
9447         (Sized_relobj::do_layout): Use separate arrays for output section
9448         and output offset.
9449         (Sized_relobj::do_count_local_symbols): Change map_to_output to
9450         output_sections.
9451         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9452         output_sections and section_offsets.
9453         (Sized_relobj::write_local_symbols): Likewise.
9454         (map_to_kept_section): Compute output address directly.
9455         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9456         output_sections and section_offsets.
9457         (Sized_relobj::write_sections): Likewise.
9458         (Sized_relobj::relocate_sections): Likewise.
9459         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9460         * output.h (class Output_reloc): Update declarations.  Change
9461         u2_.relobj to Sized_relobj*.
9462         (class Output_data_reloc): Change add functions to use
9463         Sized_relobj*.
9464         * output.cc (Output_reloc::Output_reloc): Change relobj to
9465         Sized_relobj*.
9466         (Output_reloc::local_section_offset): Change return type to
9467         Elf_Addr.  Use get_output_section_offset.
9468         (Output_reloc::get_address): Likewise.
9469         (Output_section::is_input_address_mapped): Don't call
9470         is_section_specially_mapped.
9471         (Output_section::output_offset): Likewise.
9472         (Output_section::output_address): Likewise.
9473         (Output_section::starting_output_address): Likewise.
9474         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
9475         parameter to Sized_relobj*.
9476         (Copy_relocs::need_copy_reloc): Likewise.
9477         (Copy_relocs::save): Likewise.
9478         * copy-relocs.h (class Copy_relocs): Update declarations.
9479         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
9480         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
9481         * target-reloc.h (relocate_for_relocatable): Change
9482         offset_in_output_section type to Elf_Addr.  Change code that uses
9483         it as well.
9484         * layout.cc (Layout::layout): Always set *off.
9485         * mapfile.cc (Mapfile::print_input_section): Use
9486         output_section_offset.
9487         * i386.cc (Target_i386::copy_reloc): Change object parameter to
9488         Sized_relobj*.
9489         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
9490         * sparc.cc (Target_sparc::copy_reloc): Likewise.
9491         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
9492
9493 2008-07-03  Ian Lance Taylor  <iant@google.com>
9494
9495         * layout.cc (Layout::include_section): Do not discard unrecognized
9496         SHT_STRTAB sections.
9497
9498 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
9499
9500         * script.cc (Lex::can_continue_name): Make '?' allowable in
9501         version-script names.
9502         * testsuite/version_script.map: Change glob pattern to use '?'
9503
9504 2008-06-30  Manish Singh  <yosh@gimp.org>
9505
9506         PR 6585
9507         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
9508         Correct typo.
9509
9510 2008-06-30  Ian Lance Taylor  <iant@google.com>
9511
9512         PR 6660
9513         PR 6682
9514         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
9515         versions]: Don't try to read the value in the contents, since we
9516         don't use it.  Use the template endianness when writing.
9517
9518 2008-06-25  Cary Coutant  <ccoutant@google.com>
9519
9520         * fileread.cc (File_read::make_view): Assert on zero-length view.
9521         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
9522         symbol table when there are no symbols to read.
9523
9524 2008-06-23  Craig Silverstein  <csilvers@google.com>
9525
9526         * version.cc (version_string): Bump to 1.7
9527
9528 2008-06-18  Craig Silverstein  <csilvers@google.com>
9529
9530         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
9531         constant 0xFFFF to type Valtype.
9532         (Powerpc_relocate_functions::rel16_ha): Likewise.
9533
9534 2008-06-17  Ian Lance Taylor  <iant@google.com>
9535
9536         * output.h (Output_section::Input_section): Initialize p2align_ to
9537         zero for Output_section_data constructors.
9538         (Output_section::Input_section::addralign): If not an input
9539         section, return the alignment of the Output_section_data.
9540         * testsuite/copy_test.cc: New file.
9541         * testsuite/copy_test_1.cc: New file.
9542         * testsuite/copy_test_2.cc: New file.
9543         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
9544         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
9545         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
9546         (copy_test_1_pic.o, copy_test_1.so): New targets.
9547         (copy_test_2_pic.o, copy_test_2.so): New targets.
9548         * testsuite/Makefile.in: Rebuild.
9549
9550         * script-sections.cc (Script_sections::place_orphan): Initialize
9551         local variable exact.
9552
9553 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
9554
9555         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
9556
9557 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
9558             David S. Miller  <davem@davemloft.net>
9559
9560         * powerpc.cc: New file.
9561         * Makefile.am (TARGETSOURCES): Add powerpc.cc
9562         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
9563         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
9564         * Makefile.in: Rebuild.
9565
9566 2008-06-09  Ian Lance Taylor  <iant@google.com>
9567
9568         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
9569         <exception>.
9570         (throwing, orig_terminate): New static variables.
9571         (terminate_handler): New static function.
9572         (t2): Set terminate handler.
9573
9574 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
9575
9576         PR 6584
9577         * binary.cc (Binary_to_elf::sized_convert): Fix .data
9578         alignment.
9579
9580 2008-05-30  Cary Coutant  <ccoutant@google.com>
9581
9582         * archive.cc (Archive::include_all_members) Correct to step
9583         over symbol table and extended name table in thin archives.
9584
9585 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
9586
9587         PR 6407
9588         * target-reloc.h (relocate_for_relocatable): Fix new_offset
9589         calculation.
9590
9591 2008-05-28  Caleb Howe  <cshowe@google.com>
9592
9593         * reduced_debug_output.cc: New file.
9594         * reduced_debug_output.h: New file.
9595         * options.h (class General_options): Add --strip-debug-non-line.
9596         * options.cc (General_options::finalize): Add strip_debug_non_line
9597         to the strip heirarchy.
9598         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
9599         fields.
9600         * layout.cc: Include "reduced_debug_output.h".
9601         (Layout::Layout): Initialize new fields.
9602         (line_only_debug_sections): New static array.
9603         (is_lines_only_debug_sections): New static inline function.
9604         (Layout::include_section): Handle --strip-debug-non-line.
9605         (Layout::make_output_section): If --strip-debug-non-line, build
9606         new output sections for .debug_abbrev and .debug_info.
9607         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
9608         gold.  Warn about possible overflow.
9609         (read_signed_LEB_128): Likewise.
9610         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
9611         (read_signed_LEB_128): Declare.
9612         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
9613         (HFILES): Add reduced_debug_output.h.
9614         * Makefile.in: Rebuild.
9615
9616 2008-05-21  Ian Lance Taylor  <iant@google.com>
9617
9618         * mapfile.cc: New file.
9619         * mapfile.h: New file.
9620         * options.h (class General_options): Add -M/--print-map and -Map.
9621         * options.cc (General_options::finalize): Make -M equivalent to
9622         -Map -.
9623         * main.cc: Include <cstdio> and "mapfile.h".
9624         (main): Open mapfile if requested.
9625         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
9626         constructor.  Change caller.
9627         (queue_initial_tasks): Add mapfile parameter.  Change caller.
9628         (queue_middle_tasks): Likewise.
9629         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
9630         declarations.
9631         * archive.cc: Include "mapfile.h".
9632         (Archive::add_symbols): Add mapfile parameter.  Change all
9633         callers.  Pass mapfile, symbol, and reason to include_member.
9634         (Archive::include_all_members): Add mapfile parameter.  Change all
9635         callers.
9636         (Archive::include_member): Add mapfile, sym, and why parameters.
9637         Change all callers.  Report inclusion to map file.
9638         * archive.h: Include "fileread.h".
9639         (class Archive): Update declarations.
9640         (Archive::file): New const method.
9641         (class Add_archive_symbols): Add mapfile_ field.  Update
9642         constructor.  Change all callers.
9643         * readsyms.h (class Read_symbols): Likewise.
9644         (class Finish_group): Likewise.
9645         (class Read_script): Likewise.
9646         * common.cc: Include "mapfile.h".
9647         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9648         all callers.
9649         (Symbol_table::do_allocate_commons): Likewise.
9650         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9651         symbol allocation to mapfile.
9652         * common.h (class Allocate_commons_task): Add mapfile_ field.
9653         Update constructor.  Change all callers.
9654         * symtab.h (class Symbol_table): Update declarations.
9655         * layout.cc: Include "mapfile.h".
9656         (Layout_task_runner::run): Print information to mapfile.
9657         (Layout::create_gold_note): Change Output_data_fixed_space to
9658         Output_data_zero_fill.
9659         (Layout::create_build_id): Likewise.
9660         (Layout::print_to_mapfile): New function.
9661         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9662         constructor.  Change caller.
9663         (class Layout): Declare print_to_mapfile.
9664         * output.cc (Output_section::Input_section::print_to_mapfile): New
9665         function.
9666         (Output_section::add_input_section): If producing a map, always
9667         add to input_sections_ list.
9668         (Output_section::do_print_to_mapfile): New function.
9669         (Output_segment::print_sections_to_mapfile): New function.
9670         (Output_segment::print_section_list_to_mapfile): New function.
9671         * output.h: Include "mapfile.h".
9672         (Output_data::print_to_mapfile): New function.
9673         (Output_data::do_print_to_mapfile): New virtual function.
9674         (Output_segment_headers::do_print_to_mapfile): New function.
9675         (Output_file_header::do_print_to_mapfile): New function.
9676         (Output_data_const::do_print_to_mapfile): New function.
9677         (class Output_data_const_buffer): Add map_name_ field.  Update
9678         constructor.  Change all callers.  Add do_print_to_mapfile
9679         function.
9680         (class Output_data_fixed_space): Likewise.
9681         (class Output_data_space): Likewise.
9682         (class Output_data_zero_fill): New class.
9683         (Output_data_strtab::do_print_to_mapfile): New function.
9684         (Output_data_reloc_base::do_print_to_mapfile): New function.
9685         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9686         (Output_data_group::do_print_to_mapfile): New function.
9687         (Output_data_got::do_print_to_mapfile): New function.
9688         (Output_data_dynamic::do_print_to_mapfile): New function.
9689         (Output_symtab_xindex::do_print_to_mapfile): New function.
9690         (class Output_section): Declare do_print_to_mapflie.  Declare
9691         print_to_mapfile in Input_section.
9692         (class Output_segment): Declare new functions.
9693         * object.h (Sized_relobj::symbol_count): New function.
9694         * script-sections.cc
9695         (Output_section_element_dot_assignment::set_section_addresses):
9696         Change Output_data_fixed_space to Output_data_zero_fill.
9697         (Output_data_expression::do_print_to_mapfile): New function.
9698         * script.cc (read_input_script): Add mapfile parameter.  Change
9699         all callers.
9700         * script.h (read_input_script): Update declaration.
9701         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9702         (Eh_frame::do_print_to_mapfile): New function.
9703         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9704         (Output_merge_string::do_print_to_mapfile): New function.
9705         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9706         function.
9707         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9708         function.
9709         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9710         function.
9711         * Makefile.am (CCFILES): Add mapfile.cc.
9712         (HFILES): Add mapfile.h.
9713         * Makefile.in: Rebuild.
9714
9715 2008-05-19  Ian Lance Taylor  <iant@google.com>
9716
9717         * options.h (class General_options): Add -z relro.
9718         * layout.cc (Layout::Layout): Initialize relro_segment_.
9719         (Layout::add_output_section_data): Return the output section.
9720         (Layout::make_output_section): Rcognize relro sections and mark
9721         them appropriately.
9722         (Layout::attach_allocated_section_to_segment): Put relro sections
9723         in a PT_GNU_RELRO segment.
9724         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9725         section as relro.
9726         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9727         PT_TLS segments.
9728         (Layout::linkonce_mapping): Map d.rel.ro.local to
9729         .data.rel.ro.local.
9730         (Layout::output_section_name): Us .data.rel.ro.local for any
9731         section which begins with that.
9732         * layout.h (class Layout): Update add_output_section_data
9733         declaration.  Add relro_segment_ field.
9734         * output.cc (Output_section::Output_section): Initialize is_relro_
9735         and is_relro_local_ fields.
9736         (Output_segment::add_output_section): Group relro sections.
9737         (Output_segment::is_first_section_relro): New function.
9738         (Output_segment::maximum_alignment): If there is a relro section,
9739         align the segment to the common page size.
9740         (Output_segment::set_section_addresses): Track whether we are
9741         looking at relro sections.  If the last section is a relro
9742         section, align to the common page size.
9743         (Output_segment::set_section_list_addresses): Add in_relro
9744         parameter.  Change all callers.  Align to the page size when
9745         moving from relro to non-relro section.
9746         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9747         segment.
9748         * output.h (class Output_section): Add is_relro_ and
9749         is_relro_local_ fields.
9750         (Output_section::is_relro): New function.
9751         (Output_section::set_is_relro): New function.
9752         (Output_section::is_relro_local): New function.
9753         (Output_section::set_is_relro_local): New function.
9754         (class Output_segment): Update declarations.
9755         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9756         * sparc.cc (Target_sparc::got_section): Likewise.
9757         * x86_64.cc (Target_x86_64::got_section): Likewise.
9758         * testsuite/relro_test_main.cc: New file.
9759         * testsuite/relro_test.cc: New file.
9760         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9761         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9762         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9763         (relro_test.so, relro_test_pic.o): New targets.
9764         * testsuite/Makefile.in: Rebuild.
9765
9766 2008-05-16  Ian Lance Taylor  <iant@google.com>
9767
9768         * output.cc (Output_segment::add_output_section): Remove front
9769         parameter.
9770         * output.h (class Output_segment): Remove
9771         add_initial_output_section and overloaded add_output_section.
9772         Update declaration of remaining add_output_section.
9773         * layout.cc (Layout::create_interp): Call add_output_section
9774         rather than add_initial_output_section.
9775         (Layout::finish_dynamic_section): Likewise.
9776
9777         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9778         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9779         know the dynamic type.
9780         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9781         field.  Initialize it in constructor.
9782         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9783         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9784         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9785         reloc.
9786
9787         * output.cc (Output_reloc::get_address): Change return type to
9788         Elf_Addr.
9789         * output.h (class Output_reloc): Update get_address declaration.
9790         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9791         for section addresses.
9792
9793 2008-05-09  Ian Lance Taylor  <iant@google.com>
9794
9795         PR 6493
9796         * gold.cc (gold_nomem): Use return value of write.
9797
9798 2008-05-08  Ian Lance Taylor  <iant@google.com>
9799
9800         * symtab.c (Symbol::init_base_output_data): Add version
9801         parameter.  Change all callers.
9802         (Symbol::init_base_output_segment): Likewise.
9803         (Symbol::init_base_constant): Likewise.
9804         (Symbol::init_base_undefined): Likewise.
9805         (Sized_symbol::init_output_data): Likewise.
9806         (Sized_symbol::init_output_segment): Likewise.
9807         (Sized_symbol::init_constant): Likewise.
9808         (Sized_symbol::init_undefined): Likewise.
9809         (Symbol_table::do_define_in_output_data): If the new symbol has a
9810         version, mark it as the default.
9811         (Symbol_table::do_define_in_output_segment): Likewise.
9812         (Symbol_table::do_define_as_constant): Likewise.
9813         * symtab.h (class Symbol): Update declarations.
9814         (class Sized_symbol): Likewise.
9815         * resolve.cc (Symbol::override_version): New function.
9816         (Symbol::override_base): Call override_version.
9817         (Symbol::override_base_with_special): Likewise.
9818         * testsuite/ver_script_8.script: New file.
9819         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9820         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9821         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9822         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9823
9824 2008-05-06  Ian Lance Taylor  <iant@google.com>
9825
9826         PR 6049
9827         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9828         functions.
9829         (class General_options): Remove existing --undefined, and add
9830         --no-undefined instead.  Add new --undefined as synonym for -u.
9831         * archive.cc (Archive::add_symbols): Check whether symbol was
9832         named with -u.
9833         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9834         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9835         all uses.  Add IS_UNDEFINED.  Update declarations to split
9836         different versions of init_base.  Declare init_base_undefined.
9837         (Symbol::is_defined): Handle IS_UNDEFINED.
9838         (Symbol::is_undefined): Likewise.
9839         (Symbol::is_weak_undefined): Call is_undefined.
9840         (Symbol::is_absolute): Handle IS_CONSTANT.
9841         (class Sized_symbol): Update declarations to split different
9842         versions of init.  Declare init_undefined.
9843         (class Symbol_table): Declare new functions.
9844         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9845         Change all callers.
9846         (Symbol::init_base_output_data): Likewise.
9847         (Symbol::init_base_output_segment): Likewise.
9848         (Symbol::init_base_constant): Likewise.
9849         (Symbol::init_base_undefined): New function.
9850         (Sized_symbol::init_object): Rename from init.  Change all
9851         callers.
9852         (Sized_symbol::init_output_data): Likewise.
9853         (Sized_symbol::init_output_segment): Likewise.
9854         (Sized_symbol::init_constant): Likewise.
9855         (Sized_symbol::init_undefined): New function.
9856         (Symbol_table::add_undefined_symbols_from_command_line): New
9857         function.
9858         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9859         function.
9860         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9861         (Symbol::output_section): Likewise.
9862         (Symbol::set_output_section): Likewise.
9863         (Symbol_table::sized_finalize_symbol): Likewise.
9864         (Symbol_table::sized_write_globals): Likewise.
9865         * resolve.cc (Symbol_table::should_override): Likewise.
9866         (Symbol::override_base_with_special): Likewise.
9867
9868         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9869         symbol, change it to have default visibility.
9870         * testsuite/protected_1.cc: New file.
9871         * testsuite/protected_2.cc: New file.
9872         * testsuite/protected_3.cc: New file.
9873         * testsuite/protected_main_1.cc: New file.
9874         * testsuite/protected_main_2.cc: New file.
9875         * testsuite/protected_main_3.cc: New file.
9876         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9877         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9878         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9879         (protected_1.so): New target.
9880         (protected_1_pic.o, protected_2_pic.o): New targets.
9881         (protected_3_pic.o): New target.
9882         (check_PROGRAMS): Add protected_2.
9883         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9884         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9885         * testsuite/Makefile.in: Rebuild.
9886
9887         * options.h (DEFINE_var): Add set_user_set_##varname__.
9888         (DEFINE_bool_alias): New macro.
9889         (class General_options): Define -Bstatic using DEFINE_bool_alias
9890         rather than DEFINE_special.  Add --undefined as an alias for -z
9891         defs.
9892         * options.cc (General_options::parse_Bstatic): Remove.
9893
9894         * options.h (class General_options): Add --fatal-warnings.
9895         * main.cc (main): Implement --fatal-warnings.
9896         * errors.h (Errors::warning_count): New function.
9897
9898         * options.h (class General_options): Add -Bsymbolic-functions.
9899         * symtab.h (Symbol::is_preemptible): Check for
9900         -Bsymbolic-functions.
9901
9902 2008-05-05  Ian Lance Taylor  <iant@google.com>
9903
9904         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9905         as noVARNAME rather than no-VARNAME.
9906         (class General_options): Add option -z combreloc.
9907         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9908         get_address.
9909         (Output_reloc::sort_before) [SHT_REL]: New function.
9910         (Output_reloc::sort_before) [SHT_RELA]: New function.
9911         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9912         Sort_relocs_comparison.
9913         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9914         parameter.  Change all callers.
9915         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9916         sort_relocs parameter.  Change all callers.
9917         * output.cc (Output_reloc::get_address): New function, broken out
9918         of write_rel.
9919         (Output_reloc::write_rel): Call it.
9920         (Output_reloc::compare): New function.
9921         (Output_data_reloc_base::do_write): Optionally sort relocs.
9922
9923         * configure.ac: If targ_extra_obj is set, link it in.
9924         * configure.tgt: Initialize all variables.
9925         (x86_64*): Set targ_extra_obj and targ_extra_size.
9926         * configure: Rebuild.
9927
9928         * object.cc (Sized_relobj::include_section_group): Adjust section
9929         indexes read from group data.  Build vector to pass to
9930         layout_group.
9931         * layout.cc (Layout::layout_group): Add flags and shndxes
9932         parameters.  Remove contents parameter.  Change caller.  Update
9933         explicit instantiations.
9934         * layout.h (class Layout): Update layout_group declaration.
9935         * output.cc (Output_data_group::Output_data_group): Add flags and
9936         input_shndxes parameters.  Remove contents parameter.  Change
9937         caller.
9938         (Output_data_group::do_write): Change input_sections_ to
9939         input_shndxes_.
9940         * output.h (class Output_data_group): Update constructor
9941         declaration.  Rename input_sections_ to input_shndxes_.
9942         * testsuite/many_sections_test.cc: Add template.
9943
9944 2008-04-30  Cary Coutant  <ccoutant@google.com>
9945
9946         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9947
9948         * layout.cc (Layout::include_section): Refactored check for debug
9949         info section.
9950         (Layout::add_comdat): Add new parameters.  Change type
9951         of signature parameter.  Add object and shndx to signatures table.
9952         (Layout::find_kept_object): New function.
9953         * layout.h: Include <cstring>.
9954         (Layout::is_debug_info_section): New function.
9955         (Layout::add_comdat): Add new parameters.
9956         (Layout::find_kept_object): New function.
9957         (Layout::Kept_section): New struct.
9958         (Layout::Signatures): Change type of map range.
9959         * object.cc (Relobj::output_section_address): New function.
9960         (Sized_relobj::include_section_group): Add new parameters.  Change
9961         calls to Layout::add_comdat.  Change to build table of kept comdat
9962         groups and table mapping discarded sections to kept sections.
9963         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9964         (Sized_relobj::do_layout): Change calls to include_section_group and
9965         include_linkonce_section.
9966         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9967         value to zero when section is discarded.
9968         (Sized_relobj::map_to_kept_section): New function.
9969         * object.h (Relobj::output_section_address): New function.
9970         (Relobj::Comdat_group): New type.
9971         (Relobj::find_comdat_group): New function.
9972         (Relobj::Comdat_group_table): New type.
9973         (Relobj::Kept_comdat_section): New type.
9974         (Relobj::Kept_comdat_section_table): New type.
9975         (Relobj::add_comdat_group): New function.
9976         (Relobj::set_kept_comdat_section): New function.
9977         (Relobj::get_kept_comdat_section): New function.
9978         (Relobj::comdat_groups_): New field.
9979         (Relobj::kept_comdat_sections_): New field.
9980         (Symbol_value::input_value): Update comment.
9981         (Sized_relobj::map_to_kept_section) New function.
9982         (Sized_relobj::include_linkonce_section): Add new parameter.
9983         * target-reloc.h (Comdat_behavior): New type.
9984         (get_comdat_behavior): New function.
9985         (relocate_section): Add code to map a discarded section to the
9986         corresponding kept section when applying a relocation.
9987
9988 2008-04-30  Craig Silverstein  <csilvers@google.com>
9989
9990         * dwarf_reader.cc (next_generation_count): New static var.
9991         (Addr2line_cache_entry): New struct.
9992         (addr2line_cache): New static var.
9993         (Dwarf_line_info::one_addr2line): Added caching.
9994         (Dwarf_line_info::clear_addr2line_cache): New function.
9995         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9996         cache-size parameter.
9997         (Dwarf_line_info::one_addr2line_cache): New function.
9998         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9999         new cache-size argument to one_addr2line(), and clear cache.
10000
10001 2008-04-28  Cary Coutant  <ccoutant@google.com>
10002
10003         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10004         R_386_PC8 relocations.
10005
10006 2008-04-23  Ian Lance Taylor  <iant@google.com>
10007
10008         * object.cc (Sized_relobj::include_section_group): Check for
10009         invalid section group.
10010
10011         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10012         header size.
10013
10014         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10015         than read for file header.
10016         * archive.cc (Archive::include_member): Likewise.
10017
10018 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10019
10020         * aclocal.m4: Regenerate.
10021         * configure: Regenerate.
10022
10023 2008-04-19  Ian Lance Taylor  <iant@google.com>
10024
10025         * version.cc (version_string): Bump to 1.6.
10026
10027         * testsuite/Makefile.am (many_sections_r_test): New target.
10028         (many_sections_r_test_SOURCES): Remove.
10029         (many_sections_r_test_DEPENDENCIES): Remove.
10030         (many_sections_r_test_LDFLAGS): Remove.
10031         (many_sections_r_test_LDADD): Remove.
10032
10033         * object.cc (Sized_relobj::do_add_symbols): Always pass
10034         local_symbol_count_ to add_from_relobj.
10035
10036         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10037         every thousand variables.
10038         * testsuite/Makefile.in: Rebuild.
10039
10040         * object.cc (Xindex::initialize_symtab_xindex): New function.
10041         (Xindex::read_symtab_xindex): New function.
10042         (Xindex::sym_xindex_to_shndx): New function.
10043         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10044         available.
10045         (Sized_relobj::do_initialize_xindex): New function.
10046         (Sized_relobj::do_read_symbols): Adjust section links.
10047         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10048         parameter.  Change all callers.
10049         (Sized_relobj::include_section_group): Adjust section links and
10050         symbol section indexes.
10051         (Sized_relobj::do_layout): Adjust section links.
10052         (Sized_relobj::do_count_local_symbols): Adjust section links and
10053         symbol section indexes.
10054         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10055         ordinary and special symbols.
10056         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10057         dynsym_xindex parameters.  Change all callers.  Adjust section
10058         links.  Use SHN_XINDEX when needed.
10059         (Sized_relobj::get_symbol_location_info): Adjust section links.
10060         Don't get fooled by special symbols.
10061         * object.h (class Xindex): Define.
10062         (class Object): Add xindex_ parameter.  Declare virtual functoin
10063         do_initialize_xindex.
10064         (Object::adjust_sym_shndx): New function.
10065         (Object::set_xindex): New protected function.
10066         (class Symbol_value): Add is_ordinary_shndx_ field.
10067         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10068         (Symbol_value::value): Assert ordinary section.
10069         (Symbol_value::initialize_input_to_output_map): Likewise.
10070         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10071         Change all callers.
10072         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10073         all callers.
10074         (class Sized_relobj): Update declarations.
10075         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10076         parameter.  Change all callers.
10077         (Sized_relobj::adjust_shndx): New function.
10078         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10079         field.
10080         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10081         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10082         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10083         (Sized_dynobj::read_dynsym_section): Adjust section links.
10084         (Sized_dynobj::read_dynamic): Likewise.
10085         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10086         section links.
10087         (Sized_dynobj::do_initialize_xindex): New function.
10088         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10089         do_initialize_xindex.
10090         (Sized_dynobj::adjust_shndx): New function.
10091         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10092         dynsym_xindex_ fields.
10093         (Layout::finalize): Add a call to set_section_indexes before
10094         creating the symtab sections.
10095         (Layout::set_section_indexes): Don't do anything if the section
10096         already has a section index.
10097         (Layout::create_symtab_sections): Add shnum parameter.  Change
10098         caller.  Create .symtab_shndx section if needed.
10099         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10100         caller.
10101         (Layout::allocated_output_section_count): New function.
10102         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10103         needed.
10104         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10105         fields.  Update declarations.
10106         (Layout::symtab_xindex): New function.
10107         (Layout::dynsym_xindex): New function.
10108         (class Write_symbols_task): Add layout_ field.
10109         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10110         Change caller.
10111         * output.cc (Output_section_headers::Output_section_headers): Add
10112         shstrtab_section parameter.  Change all callers.
10113         (Output_section_headers::do_sized_write): Store overflow values
10114         for section count and section string table section index in
10115         section header zero.
10116         (Output_file_header::do_sized_write): Check for overflow of
10117         section count and section string table section index.
10118         (Output_symtab_xindex::do_write): New function.
10119         (Output_symtab_xindex::endian_do_write): New function.
10120         * output.h (class Output_section_headers): Add shstrtab_section_.
10121         Update declarations.
10122         (class Output_symtab_xindex): Define.
10123         (Output_section::has_out_shndx): New function.
10124         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10125         field.
10126         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10127         Change all callers.
10128         (Sized_symbol::init): Likewise.
10129         (Symbol::output_section): Check for ordinary symbol.
10130         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10131         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10132         callers.
10133         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10134         Change all callers.  Simplify handling of symbols from sections
10135         not included in the link.
10136         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10137         distinction.
10138         (Weak_alias_sorter::operator()): Assert that symbols are
10139         ordinary.
10140         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10141         distinction.
10142         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10143         parameters.  Change all callers.
10144         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10145         symbol distinction.  Use SHN_XINDEX when needed.
10146         (Symbol_table::write_section_symbol): Add symtab_xindex
10147         parameter.  Change all callers.
10148         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10149         SHN_XINDEX when needed.
10150         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10151         declarations.
10152         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10153         (Symbol::is_defined): Check is_ordinary.
10154         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10155         (Symbol::is_absolute, Symbol::is_common): Likewise.
10156         (class Sized_symbol): Update declarations.
10157         (class Symbol_table): Update declarations.
10158         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10159         parameters.  Change all callers.
10160         (Sized_symbol::override): Likewise.
10161         (Symbol_table::override): Likewise.
10162         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10163         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10164         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10165         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10166         to be in an ordinary section.
10167         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10168         object and is_ordinary parameters.  Change all callers.
10169         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10170         Change all callers.  Don't add undefined or non-ordinary symbols
10171         to reloc_map_.
10172         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10173         Change all callers.
10174         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10175         declarations.
10176         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10177         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10178         (Sized_relobj::relocate_sections): Likewise.
10179         * target-reloc.h (scan_relocs): Adjust section symbol index.
10180         (scan_relocatable_relocs): Likewise.
10181         * i386.cc (Scan::local): Check for ordinary symbols.
10182         * sparc.cc (Scan::local): Likewise.
10183         * x86_64.cc (Scan::local): Likewise.
10184         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10185         to symbol_section_and_value.
10186         * testsuite/many_sections_test.cc: New file.
10187         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10188         (check_PROGRAMS): Add many_sections_test.
10189         (many_sections_test_SOURCES): Define.
10190         (many_sections_test_DEPENDENCIES): Define.
10191         (many_sections_test_LDFLAGS): Define.
10192         (BUILT_SOURCES): Add many_sections_define.h.
10193         (many_sections_define.h): New target.
10194         (BUILT_SOURCES): Add many_sections_check.h.
10195         (many_sections_check.h): New target.
10196         (check_PROGRAMS): Add many_sections_r_test.
10197         (many_sections_r_test_SOURCES): Define.
10198         (many_sections_r_test_DEPENDENCIES): Define.
10199         (many_sections_r_test_LDFLAGS): Define.
10200         (many_sections_r_test_LDADD): Define.
10201         (many_sections_r_test.o): New target.
10202         * testsuite/Makefile.in: Rebuild.
10203
10204 2008-04-17  Cary Coutant  <ccoutant@google.com>
10205
10206         * errors.cc (Errors::info): New function.
10207         (gold_info): New function.
10208         * errors.h (Errors::info): New function.
10209         * gold.h (gold_info): New function.
10210         * object.cc (Input_objects::add_object): Print trace output.
10211         * options.cc (options::parse_set): New function.
10212         (General_options::parse_wrap): Deleted.
10213         (General_options::General_options): Deleted initializer.
10214         * options.h (options::String_set): New typedef.
10215         (options::parse_set): New function.
10216         (DEFINE_set): New macro.
10217         (General_options::wrap): Changed to use DEFINE_set. Changed
10218         callers of any_wrap_symbols and is_wrap_symbol.
10219         (General_options::trace, General_options::trace_symbol):
10220         New options.
10221         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10222         (General_options::wrap_symbols_): Deleted.
10223         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10224
10225 2008-04-17  David S. Miller  <davem@davemloft.net>
10226
10227         * options.cc (General_options::parse_V): New function.
10228         * options.h: Add entries for -V and -Qy.
10229
10230 2008-04-17  Ian Lance Taylor  <iant@google.com>
10231
10232         * common.cc (Symbol_table::allocate_commons): Remove options
10233         parameter.  Change caller.
10234         (Symbol_table::do_allocate_commons): Remove options parameter.
10235         Change caller.  Just call do_allocate_commons_list twice.
10236         (Symbol_table::do_allocate_commons_list): New function, broken out
10237         of do_allocate_commons.
10238         * common.h (class Allocate_commons_task): Remove options_ field.
10239         Update constructor.
10240         * symtab.cc (Symbol_table::Symbol_table): Initialize
10241         tls_commons_.
10242         (Symbol_table::add_from_object): Put TLS common symbols on
10243         tls_commons_ list.
10244         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10245         which are IN_OUTPUT_DATA.
10246         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10247         allocate_commons and do_allocate_commons declarations.  Declare
10248         do_allocate_commons_list.
10249         * gold.cc (queue_middle_tasks): Update creation of
10250         Allocate_commons_task to not pass options.
10251         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10252         (TLS_TEST_C_FLAGS): New variable.
10253         (tls_test_c_pic.o): New target.
10254         (tls_test_shared.so): Link in tls_test_c_pic.o.
10255         (tls_test_c_pic_ie.o): New target.
10256         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10257         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10258         (tls_test_c.o): New target.
10259         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10260         (tls_pic_test_LDADD): Likewise.
10261         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10262         (tls_shared_gd_to_ie_test_LDADD): Likewise.
10263         (tls_test_c_gnu2.o): New target.
10264         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10265         tls_test_c_gnu2.o.
10266         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10267         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10268         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10269         * testsuite/tls_test.cc: Include "config.h".
10270         (t_last): Call t11_last.
10271         * testsuite/tls_test.h (t11, t11_last): Declare.
10272         * testsuite/tls_test_c.c: New file.
10273         * testsuite/tls_test_main.cc (thread_routine): Call t11.
10274         * configure.ac: Check for OpenMP support.
10275         * configure, config.in, Makefile.in: Rebuild.
10276         * testsuite/Makefile.in: Rebuild.
10277
10278 2008-04-16  Cary Coutant  <ccoutant@google.com>
10279
10280         * i386.cc (Target_i386::define_tls_base_symbol): New function.
10281         (Target_i386::tls_base_symbol_defined_): New field.
10282         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10283         (Target_i386::Scan::global): Likewise.
10284         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10285         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10286         (Target_x86_64::tls_base_symbol_defined_): New field.
10287         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10288         (Target_x86_64::Scan::global): Likewise.
10289
10290 2008-04-16  Cary Coutant  <ccoutant@google.com>
10291
10292         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10293         (Symbol::needs_plt_entry): Allow weak undefined symbols.
10294         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10295         building shared libraries.
10296         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10297         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10298         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10299         * testsuite/Makefile.in: Rebuild.
10300         * testsuite/weak_undef.h: New file.
10301         * testsuite/weak_undef_file1.cc: Add extra test cases.
10302         * testsuite/weak_undef_file2.cc: Likewise.
10303         * testsuite/weak_undef_test.cc: Likewise.
10304
10305 2008-04-16  David S. Miller  <davem@davemloft.net>
10306
10307         * sparc.cc (Target_sparc::Scan): Change from struct to class.
10308         Add issued_non_pic_error_ field.  Declare check_non_pic.
10309         (Target_sparc::Scan::check_non_pic): New function.
10310         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10311         (Target_sparc::Scan::global): Likewise.
10312
10313         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10314         * configure: Rebuild.
10315
10316         * options.h (DEFINE_enable): New macro.
10317         (new_dtags): New enable option.
10318         (initfirst, interpose, loadfltr, nodefaultlib,
10319         nodelete, nodlopen, nodump): New -z options.
10320         * layout.cc (Layout:finish_dynamic_section): If new
10321         dtags enabled, emit DT_RUNPATH.  Also, emit a
10322         DT_FLAGS_1 containing any specified -z flags.
10323
10324 2008-04-16  Ian Lance Taylor  <iant@google.com>
10325
10326         * copy-relocs.cc: New file.
10327         * copy-relocs.h: New file.
10328         * reloc.cc: Remove Copy_relocs code.
10329         * reloc.h: Likewise.
10330         * reloc-types.h (struct Reloc_types) [both versions]: Add
10331         get_reloc_addend_noerror.
10332         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10333         variants of add_global which take an addend which must be zero.
10334         * i386.cc: Include "copy-relocs.h".
10335         (class Target_i386): Change type of copy_relocs_ to variable,
10336         update initializer.
10337         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10338         Change all callers.
10339         (Target_i386::do_finalize_sections): Change handling of
10340         copy_relocs_.
10341         * sparc.cc: Include "copy-relocs.h".
10342         (class Target_sparc): Change type of copy_relocs_ to variable,
10343         update initializer.
10344         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10345         Change all callers.
10346         (Target_sparc::do_finalize_sections): Change handling of
10347         copy_relocs_.
10348         * x86_64.cc: Include "copy-relocs.h".
10349         (class Target_x86_64): Change type of copy_relocs_ to variable,
10350         update initializer.
10351         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10352         class.  Change all callers.
10353         (Target_x86_64::do_finalize_sections): Change handling of
10354         copy_relocs_.
10355         * Makefile.am (CCFILES): Add copy-relocs.cc.
10356         (HFILES): Add copy-relocs.h.
10357
10358         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10359
10360         * testsuite/script_test_4.sh: Permit leading zeroes.
10361
10362 2008-04-15  Ian Lance Taylor  <iant@google.com>
10363
10364         * script-sections.cc (Script_sections::create_segments): Use
10365         header_size_adjustment even when there is enough room for the
10366         headers.
10367         * testsuite/script_test_4.sh: New file.
10368         * testsuite/script_test_4.t: New file.
10369         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10370         (check_DATA): Add script_test_4.stdout.
10371         (MOSTLYCLEANFILES): Likewise.
10372         (script_test_4): New target.
10373         (script_test_4.stdout): New target.
10374         * testsuite/Makefile.in: Rebuild.
10375
10376         * sparc.cc: Add definitions for Output_data_plt_sparc class
10377         constants.
10378
10379 2008-04-14  David S. Miller  <davem@davemloft.net>
10380
10381         * sparc.cc: New file.
10382         * Makefile.am (TARGETSOURCES): Add sparc.cc
10383         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10384         * configure.tgt: Document targ_extra_size and
10385         targ_extra_big_endian.  Add entries for sparc-* and
10386         sparc64-*.
10387         * configure.ac: Handle targ_extra_size and
10388         targ_extra_big_endian.
10389         * Makefile.in: Rebuild.
10390         * configure: Likewise.
10391         * po/POTFILES.in: Likewise.
10392         * po/gold.pot: Likewise.
10393
10394 2008-04-14  Ian Lance Taylor  <iant@google.com>
10395
10396         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10397         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10398         in the name/type/flags to section mapping.  Don't call
10399         allocate_output_section.
10400         (Layout::choose_output_section): Change parameter from adjust_name
10401         to is_input_section.  Don't permit input sections after sections
10402         are attached to segments.  Don't call allocate_output_section.
10403         (Layout::layout_eh_frame): Call update_flags_for_input_section,
10404         not write_enable_output_section.
10405         (Layout::make_output_section): Don't push to
10406         unattached_section_list_ nor call attach_to_segment.  Call
10407         attach_section_to_segment if sections are attached.
10408         (Layout::attach_sections_to_segments): New function.
10409         (Layout::attach_section_to_segment): New function.
10410         (Layout::attach_allocated_section_to_segment): Rename from
10411         attach_to_segment.  Remove flags parameter.
10412         (Layout::allocate_output_section): Remove function.
10413         (Layout::write_enable_output_section): Remove function.
10414         * layout.h (class Layout): Update for above changes.  Add new
10415         field sections_are_attached_.
10416         * output.h (Output_section::update_flags_for_input_section): New
10417         function.
10418         * output.cc (Output_section::add_input_section): Call
10419         update_flags_for_input_section.
10420         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10421
10422 2008-04-11  Cary Coutant  <ccoutant@google.com>
10423
10424         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10425         thought unnecessary.
10426         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10427
10428 2008-04-11  Ian Lance Taylor  <iant@google.com>
10429
10430         * output.h (class Output_section_data): Remove inline definition
10431         of set_addralign.
10432         * output.cc (Output_section_data::set_addralign): New function.
10433
10434 2008-04-11  Cary Coutant  <ccoutant@google.com>
10435
10436         Add support for TLS descriptors for i386 and x86_64.
10437         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10438         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10439         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10440         GOT_TYPE_TLS_DESC.
10441         (Target_i386::got_mod_index_entry): Remove unnecessary code.
10442         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10443         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
10444         relocations.
10445         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10446         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10447         Fix problem with initial-exec relocations.
10448         (Target_i386::Relocate::relocate_tls): Likewise.
10449         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10450         relaxation.
10451         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10452         support for section-plus-offset dynamic table entries.
10453         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10454         (Output_data_dynamic::Dynamic_entry): Add support for
10455         section-plus-offset dynamic table entries.
10456         (Output_data_dynamic::Classification): Likewise.
10457         (Output_data_dynamic::classification_): Renamed offset_.
10458         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10459         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10460         (Target_x86_64::make_plt_section): New function.
10461         (Target_x86_64::reserve_tlsdesc_entries): New function.
10462         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10463         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10464         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10465         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10466         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10467         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10468         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10469         add extra PLT entry for TLS descriptors.
10470         (Output_data_plt_x86_64::got_): New field.
10471         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
10472         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
10473         fields.
10474         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
10475         descriptors.
10476         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
10477         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
10478         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
10479         R_386_TLS_DESC_CALL relocations.
10480         (Target_x86_64::Scan::global): Likewise.
10481         (Target_x86_64::do_finalize_sections): Add dynamic table entries
10482         for TLS descriptors.
10483         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
10484         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
10485         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
10486         GD-to-IE relaxation.
10487         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
10488         and TLS_DESCRIPTORS.
10489         * Makefile.in: Rebuild.
10490         * configure: Rebuild.
10491         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
10492         (tls_test_shared2.so): New target.
10493         (tls_shared_gd_to_ie_test_SOURCES): New variable.
10494         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
10495         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
10496         (tls_shared_gd_to_ie_test_LDADD): New variable.
10497         (tls_shared_gnu2_gd_to_ie_test): New target.
10498         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
10499         New targets.
10500         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
10501         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
10502         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
10503         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
10504         (tls_shared_gnu2_test): New target.
10505         (tls_test_gnu2_shared.so): New target.
10506         (tls_shared_gnu2_test_SOURCES): New variable.
10507         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
10508         (tls_shared_gnu2_test_LDFLAGS): New variable.
10509         (tls_shared_gnu2_test_LDADD): New variable.
10510         * testsuite/Makefile.in: Rebuild.
10511         * testsuite/Makefile.
10512
10513 2008-04-11  Ian Lance Taylor  <iant@google.com>
10514
10515         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
10516         justsyms.t.
10517         * testsuite/Makefile.in: Rebuild.
10518
10519         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
10520         long.
10521         * testsuite/script_test_2.cc (main): Adjust test.
10522
10523 2008-04-11  David S. Miller  <davem@davemloft.net>
10524             Ian Lance Taylor  <iant@google.com>
10525
10526         * options.h (General_options): Add entries for '-Y' and
10527         '-relax'.
10528         * options.cc (General_options:finalize): If -Y was used, add those
10529         entries to the library path instead of the default "/lib" and
10530         "/usr/lib".
10531
10532 2008-04-11  David S. Miller  <davem@davemloft.net>
10533
10534         * testsuite/justsyms.t: Start at 0x100.
10535         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
10536         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
10537         long.
10538         * testsuite/script_test_2.cc: Adjust string and section length
10539         checks.
10540
10541 2008-04-09  Ian Lance Taylor  <iant@google.com>
10542
10543         PR gold/5996
10544         * script-sections.cc (Sections_element::allocate_to_segment): Add
10545         orphan parameter.
10546         (Output_section_definition::allocate_to_segment): Likewise.
10547         (Orphan_output_section::allocate_to_segment): Likewise.
10548         (Script_sections::attach_sections_using_phdrs_clause): Don't
10549         propagate non-PT_LOAD segments to orphan sections.
10550         * testsuite/Makefile.am (script_test_3.stdout): Generate using
10551         readelf rather than objdump.
10552         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
10553         .interp section and PT_INTERP segment are the same size.
10554         * testsuite/Makefile.in: Rebuild.
10555
10556         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
10557         aliases for symbols defined in the same object.
10558         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
10559         (weak_alias_test_SOURCES): New variable.
10560         (weak_alias_test_DEPENDENCIES): New variable.
10561         (weak_alias_test_LDFLAGS): New variable.
10562         (weak_alias_test_LDADD): New variable.
10563         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
10564         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
10565         (weak_alias_test_3.o): New target.
10566         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
10567         * testsuite/weak_alias_test_main.cc: New file.
10568         * testsuite/weak_alias_test_1.cc: New file.
10569         * testsuite/weak_alias_test_2.cc: New file.
10570         * testsuite/weak_alias_test_3.cc: New file.
10571
10572 2008-04-08  Ian Lance Taylor  <iant@google.com>
10573
10574         * options.h (class General_options): Add --noinhibit-exec option.
10575         * main.cc (main): Check --noinhibit-exec.
10576
10577         * options.h (class General_options): Define --wrap as a special
10578         option.  Add wrap_symbols_ field.
10579         (General_options::any_wrap_symbols): New function.
10580         (General_options::is_wrap_symbol): New function.
10581         * options.cc (General_options::parse_wrap): New function.
10582         (General_options::General_options): Initialize wrap_symbols_.
10583         * symtab.cc (Symbol_table::wrap_symbol): New function.
10584         (Symbol_table::add_from_object): Handle --wrap.
10585         * symtab.h (class Symbol_table): Declare wrap_symbol.
10586         * target.h (Target::wrap_char): New function.
10587         (Target::Target_info): Add wrap_char field.
10588         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
10589         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10590         * testsuite/testfile.cc (Target_test::test_target_info):
10591         Likewise.
10592
10593         * errors.cc (Errors::undefined_symbol): Mention symbol version if
10594         there is one.
10595
10596         * layout.h (class Layout): Add added_eh_frame_data_ field.
10597         * layout.cc (Layout::Layout): Initialize new field.
10598         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
10599         output section until we find a section we merged successfully.
10600         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
10601         that the size be non-zero.
10602
10603         * merge.cc (Object_merge_map::get_output_offset): Remove inline
10604         qualifier.
10605
10606 2008-04-08  Craig Silverstein  <csilvers@google.com>
10607
10608         * configure.ac: Export new conditional variable HAVE_ZLIB.
10609         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
10610         on HAVE_ZLIB.
10611         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
10612         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10613
10614 2008-04-07  Ian Lance Taylor  <iant@google.com>
10615
10616         * version.cc (version_string): Set to "1.5".
10617
10618         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
10619         Add issued_non_pic_error_ field.  Declare check_non_pic.
10620         (Target_x86_64::Scan::check_non_pic): New function.
10621         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
10622         (Target_x86_64::Scan::global): Likewise.
10623
10624         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
10625         addend parameter.  Change caller.  Handle merge sections.
10626         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
10627         Address to Addend.  Don't add in the result of
10628         local_section_offset, pass down the addend and use the returned
10629         value.
10630         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
10631         Update declarations of local_section_offset and symbol_value.
10632         * testsuite/two_file_test_1.cc (t18): New function.
10633         * testsuite/two_file_test_2.cc (f18): New function.
10634         * testsuite/two_file_test_main.cc (main): Call t18.
10635         * testsuite/two_file_test.h (t18, f18): Declare.
10636
10637         * configure.ac: Don't test for objdump, c++filt, or readelf.
10638         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10639         conditionals.
10640         (TEST_READELF): New variable.
10641         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10642         (check_PROGRAMS): Add two_file_strip_test.
10643         (two_file_strip_test): New target.
10644         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10645         (two_file_same_shared_strip_test_SOURCES): New variable.
10646         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10647         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10648         (two_file_same_shared_strip_test_LDADD): New variable.
10649         (two_file_shared_strip.so): New target.
10650         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10651         (ver_test_5.syms, ver_test_7.syms): Likewise.
10652         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10653         (strip_test_3.stdout): Use TEST_OBJDUMP.
10654         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10655
10656 2008-04-04  Cary Coutant  <ccoutant@google.com>
10657
10658         * symtab.h (Symbol::is_weak_undefined): New function.
10659         (Symbol::is_strong_undefined): New function.
10660         (Symbol::is_absolute): New function.
10661         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10662         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10663         absolute symbols.
10664         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10665         (weak_undef_test): New target.
10666         * testsuite/Makefile.in: Rebuild.
10667         * testsuite/weak_undef_file1.cc: New file.
10668         * testsuite/weak_undef_file2.cc: New file.
10669         * testsuite/weak_undef_test.cc: New file.
10670
10671 2008-04-03  Craig Silverstein  <csilvers@google.com>
10672
10673         * compressed_output.h (class Output_compressed_section): Use
10674         unsigned buffer.
10675         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10676         add zlib header.
10677         (zlib_compressed_suffix): Removed.
10678         (Output_compressed_section::set_final_data_size): Use unsigned
10679         buffers.
10680         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10681         Fix linker invocation.
10682         (flagstest_o_specialfile_and_compress_debug_sections):
10683         Likewise.
10684         * testsuite/Makefile.in: Regenerated.
10685
10686 2008-04-02  David S. Miller  <davem@davemloft.net>
10687
10688         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10689         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10690
10691 2008-04-02  Craig Silverstein  <csilvers@google.com>
10692
10693         * TODO: New file.
10694
10695 2008-04-02  Ian Lance Taylor  <iant@google.com>
10696
10697         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10698         parameters.  Update for new key type to views_.  Change all
10699         callers.
10700         (File_read::read): Adjust for byteshift in returned view.
10701         (File_read::add_view): New function, broken out of
10702         find_and_make_view.
10703         (File_read::make_view): New function, broken out of
10704         find_and_make_view.
10705         (File_read::find_or_make_view): Add offset and aligned
10706         parameters.  Rewrite accordingly.  Change all callers.
10707         (File_read::get_view): Add offset and aligned parameters.  Adjust
10708         for byteshift in return value.
10709         (File_read::get_lasting_view): Likewise.
10710         * fileread.h (class File_read): Update declarations.
10711         (class File_read::View): Add byteshift_ field.  Add byteshift to
10712         constructor.  Add byteshift method.
10713         * archive.h (Archive::clear_uncached_views): New function.
10714         (Archive::get_view): Add aligned parameter.  Change all callers.
10715         * object.h (Object::get_view): Add aligned parameter.  Change all
10716         callers.
10717         (Object::get_lasting_view): Likewise.
10718
10719         * fileread.cc (File_read::release): Don't call clear_views if
10720         there are multiple objects.
10721         * fileread.h (File_read::clear_uncached_views): New function.
10722         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10723         on the archive.
10724
10725 2008-03-31  Cary Coutant  <ccoutant@google.com>
10726
10727         Add thin archive support.
10728         * archive.cc (Archive::armagt): New const.
10729         (Archive::setup): Remove task parameter and calls to unlock.
10730         (Archive::unlock_nested_archives): New function.
10731         (Archive::read_header): Add nested_off parameter. Change
10732         all callers.
10733         (Archive::interpret_header): Likewise.
10734         (Archive::include_all_members): Change to handle thin
10735         archives.
10736         (Archive::include_member): Likewise.
10737         * archive.h (Archive::Archive): Add new parameters and
10738         initializers.
10739         (Archive::armagt): New const.
10740         (Archive::setup): Remove task parameter.
10741         (Archive::unlock_nested_archives): New function.
10742         (Archive::read_header): Add nested_off parameter.
10743         (Archive::interpret_header): Likewise.
10744         (Archive::Nested_archive_table): New typedef.
10745         (Archive::is_thin_archive_): New field.
10746         (Archive::nested_archives_): New field.
10747         (Archive::options_): New field.
10748         (Archive::dirpath_): New field.
10749         (Archive::task_): New field.
10750         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10751         for thin archives.  Pass additional parameters to
10752         Archive::Archive.  Unlock the archive file after calling
10753         Archive::setup.
10754
10755 2008-03-29  Ian Lance Taylor  <iant@google.com>
10756
10757         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10758         version symbol to be local.
10759         * testsuite/ver_test_4.sh: New file.
10760         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10761         (check_DATA): Add ver_test_4.syms.
10762         (ver_test_4.syms): New target.
10763         * testsuite/Makefile.in: Rebuild.
10764
10765         * output.cc
10766         (Output_section::Input_section_sort_entry::has_priority): New
10767         function.
10768         (Output_section::Input_section_sort_entry::match_file_name): New
10769         function.
10770         (Output_section::Input_section_sort_entry::match_section_name):
10771         Remove.
10772         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10773         Remove.
10774         (Output_section::Input_section_sort_entry::match_section_file):
10775         Remove.
10776         (Output_section::Input_section_sort_compare::operator()): Rewrite
10777         using new Input_section_sort_entry functions.  Sort crtbegin and
10778         crtend first.  Sort sections with no priority before sections with
10779         a priority.
10780         * testsuite/initpri1.c (d3): Check j != 4.
10781         (cd5): New constructor/destructor function.
10782         (main): Check j != 2.
10783
10784         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10785         new symbol when resolving, don't call set_is_default.
10786         * testsuite/ver_test_7.cc: New file.
10787         * testsuite/ver_test_7.sh: New file.
10788         * testsuite/Makefile.am (ver_test_7.so): New target.
10789         (ver_test_7.o): New target.
10790         (check_SCRIPTS): Add ver_test_7.sh.
10791         (check_DATA): Add ver_test_7.syms.
10792         (ver_test_7.syms): New target.
10793
10794 2008-03-28  Ian Lance Taylor  <iant@google.com>
10795
10796         * layout.cc (Layout::layout): If we see an input section with a
10797         name that needs sorting, set the must_sort flag for the output
10798         section.
10799         (Layout::make_output_section): If the name of the output section
10800         indicates that it might require sorting, set the may_sort flag.
10801         * output.h (Output_section::may_sort_attached_input_sections): New
10802         function.
10803         (Output_section::set_may_sort_attached_input_sections): New
10804         function.
10805         (Output_section::must_sort_attached_input_sections): New
10806         function.
10807         (Output_section::set_must_sort_attached_input_sections): New
10808         function.
10809         (class Output_section): Declare Input_section_sort_entry.  Define
10810         Input_section_sort_compare.  Declare
10811         sort_attached_input_sections.  Add new fields:
10812         may_sort_attached_input_sections_,
10813         must_sort_attached_input_sections_,
10814         attached_input_sections_are_sorted_.
10815         * output.cc (Output_section::Output_section): Initialize new
10816         fields.
10817         (Output_section::add_input_section): Add an entry to
10818         input_sections_ if may_sort or must_sort are true.
10819         (Output_section::set_final_data_size): Call
10820         sort_attached_input_sections if necessary.
10821         (Output_section::Input_section_sort_entry): Define new class.
10822         (Output_section::Input_section_sort_compare::operator()): New
10823         function.
10824         (Output_section::sort_attached_input_sections): New function.
10825         * configure.ac: Check whether the compiler supports constructor
10826         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10827         * testsuite/initpri1.c: New file.
10828         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10829         CONSTRUCTOR_PRIORITY.
10830         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10831         (initpri1_LDFLAGS): New variable.
10832         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10833
10834 2008-03-27  Ian Lance Taylor  <iant@google.com>
10835
10836         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10837         * testsuite/common_test_1.c: New file.
10838         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10839         (common_test_1_SOURCES): New variable.
10840         (common_test_1_DEPENDENCIES): New variable.
10841         (common_test_1_LDFLAGS): New variable.
10842
10843         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10844         and commons_ correctly when NAME/VERSION does not override
10845         NAME/NULL.
10846         * testsuite/ver_test_6.c: New file.
10847         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10848         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10849         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10850
10851 2008-03-26  Ian Lance Taylor  <iant@google.com>
10852
10853         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10854         of an undefined symbol from a version script.
10855         * testsuite/Makefile.am (ver_test_5.so): New target.
10856         (ver_test_5.o): New target.
10857         (check_SCRIPTS): Add ver_test_5.sh.
10858         (check_DATA): Add ver_test_5.syms.
10859         (ver_test_5.syms): New target.
10860         * testsuite/ver_test_5.cc: New file.
10861         * testsuite/ver_test_5.script: New file.
10862         * testsuite/ver_test_5.sh: New file.
10863         * Makefile.in, testsuite/Makefile.in: Rebuild.
10864
10865         PR gold/5986
10866         Fix problems building gold with gcc 4.3.0.
10867         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10868         (gold_error_at_location, gold_warning_at_location): Use it.
10869         * configure.ac: Check whether we can compile and use a template
10870         function with a printf attribute.
10871         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10872         when jumping over bytes.
10873         * object.cc: Instantiate Object::read_section_data.
10874         * debug.h: Include <cstring>
10875         * dwarf_reader.cc: Include <algorithm>
10876         * main.cc: Include <cstring>.
10877         * options.cc: Include <cstring>.
10878         * output.cc: Include <cstring>.
10879         * script.cc: Include <cstring>.
10880         * script.h: Include <string>.
10881         * symtab.cc: Include <cstring> and <algorithm>.
10882         * target-select.cc: Include <cstring>.
10883         * version.cc: Include <string>.
10884         * testsuite/testmain.cc: Include <cstdlib>.
10885         * configure, config.in: Rebuild.
10886
10887 2008-03-25  Ian Lance Taylor  <iant@google.com>
10888
10889         * options.cc: Include "../bfd/bfdver.h".
10890         (options::help): Print bug reporting address.
10891
10892         * version.cc (print_version): Adjust output for current value of
10893         BFD_VERSION_STRING.
10894
10895         * NEWS: New file.
10896
10897         * options.cc (options::help): Print list of supported targets.
10898         * target-select.h: Include <vector>.
10899         (class Target_selector): Make machine_, size_, and is_big_endian_
10900         fields const.  Add bfd_name_ and instantiated_target_ fields.
10901         (Target_selector::Target_selector): Add bfd_name parameter.
10902         (Target_selector::recognize): Make non-virtual, call
10903         do_recognize.
10904         (Target_selector::recognize_by_name): Make non-virtual, call
10905         do_recognize_by_name.
10906         (Target_selector::supported_names): New function.
10907         (Target_selector::bfd_name): New function.
10908         (Target_selector::do_instantiate_target): New pure virtual
10909         function.
10910         (Target_selector::do_recognize): New virtual function.
10911         (Target_selector::do_recognize_by_name): New virtual function.
10912         (Target_selector::instantiate_target): New private function.
10913         (supported_target_names): Declare.
10914         * target-select.cc (Target_selector::Target_selector): Update for
10915         new parameter and fields.
10916         (select_target_by_name): Check that the name matches before
10917         calling recognize_by_name.
10918         (supported_target_names): New function.
10919         * i386.cc (class Target_selector_i386): Update Target_selector
10920         constructor call.  Remove recognize and recognize_by_name.  Add
10921         do_instantiate_target.
10922         * x86_64.cc (class Target_selector_x86_64): Likewise.
10923         * testsuite/testfile.cc (class Target_selector_test): Update for
10924         changes to Target_selector.
10925
10926         * README: Rewrite, with some notes on unsupported features.
10927
10928 2008-03-24  Cary Coutant  <ccoutant@google.com>
10929
10930         * i386.cc (Target_i386::Got_type): New enum declaration.
10931         (Target_i386::Scan::local): Updated callers of Output_data_got
10932         member functions.
10933         (Target_i386::Scan::global): Likewise.
10934         (Target_i386::Relocate::relocate): Likewise.
10935         (Target_i386::Relocate::relocate_tls): Likewise.
10936         * object.h (Got_offset_list): New class.
10937         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10938         (Sized_relobj::local_got_offset): Likewise.
10939         (Sized_relobj::set_local_got_offset): Likewise.
10940         (Sized_relobj::local_has_tls_got_offset): Removed.
10941         (Sized_relobj::local_tls_got_offset): Removed.
10942         (Sized_relobj::set_local_tls_got_offset): Removed.
10943         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10944         * output.cc (Output_data_got::add_global): Added got_type parameter.
10945         (Output_data_got::add_global_with_rel): Likewise.
10946         (Output_data_got::add_global_with_rela): Likewise.
10947         (Output_data_got::add_global_pair_with_rel): New function.
10948         (Output_data_got::add_global_pair_with_rela): New function.
10949         (Output_data_got::add_local): Added got_type parameter.
10950         (Output_data_got::add_local_with_rel): Likewise.
10951         (Output_data_got::add_local_with_rela): Likewise.
10952         (Output_data_got::add_local_pair_with_rel): New function.
10953         (Output_data_got::add_local_pair_with_rela): New function.
10954         (Output_data_got::add_global_tls): Removed.
10955         (Output_data_got::add_global_tls_with_rel): Removed.
10956         (Output_data_got::add_global_tls_with_rela): Removed.
10957         (Output_data_got::add_local_tls): Removed.
10958         (Output_data_got::add_local_tls_with_rel): Removed.
10959         (Output_data_got::add_local_tls_with_rela): Removed.
10960         * output.h (Output_data_got::add_global): Added got_type parameter.
10961         (Output_data_got::add_global_with_rel): Likewise.
10962         (Output_data_got::add_global_with_rela): Likewise.
10963         (Output_data_got::add_global_pair_with_rel): New function.
10964         (Output_data_got::add_global_pair_with_rela): New function.
10965         (Output_data_got::add_local): Added got_type parameter.
10966         (Output_data_got::add_local_with_rel): Likewise.
10967         (Output_data_got::add_local_with_rela): Likewise.
10968         (Output_data_got::add_local_pair_with_rel): New function.
10969         (Output_data_got::add_local_pair_with_rela): New function.
10970         (Output_data_got::add_global_tls): Removed.
10971         (Output_data_got::add_global_tls_with_rel): Removed.
10972         (Output_data_got::add_global_tls_with_rela): Removed.
10973         (Output_data_got::add_local_tls): Removed.
10974         (Output_data_got::add_local_tls_with_rel): Removed.
10975         (Output_data_got::add_local_tls_with_rela): Removed.
10976         * resolve.cc (Symbol::override_base_with_special): Removed
10977         reference to has_got_offset_ field.
10978         * symtab.cc (Symbol::init_fields): Replaced initialization
10979         of got_offset_ with got_offsets_.  Removed initialization
10980         of has_got_offset_
10981         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10982         (Symbol::got_offset): Likewise.
10983         (Symbol::set_got_offset): Likewise.
10984         (Symbol::has_tls_got_offset): Removed.
10985         (Symbol::tls_got_offset): Removed.
10986         (Symbol::set_tls_got_offset): Removed.
10987         (Symbol::got_offset_): Removed.
10988         (Symbol::tls_mod_got_offset_): Removed.
10989         (Symbol::tls_pair_got_offset_): Removed.
10990         (Symbol::got_offsets_): New field.
10991         (Symbol::has_got_offset): Removed.
10992         (Symbol::has_tls_mod_got_offset): Removed.
10993         (Symbol::has_tls_pair_got_offset): Removed.
10994         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10995         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10996         member functions.
10997         (Target_x86_64::Scan::global): Likewise.
10998         (Target_x86_64::Relocate::relocate): Likewise.
10999         (Target_x86_64::Relocate::relocate_tls): Likewise.
11000
11001 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11002
11003         * yyscript.y: Fix spelling error in comment.
11004
11005 2008-03-24  Ian Lance Taylor  <iant@google.com>
11006
11007         * options.h (class General_options): Define build_id option.
11008         * layout.h (class Layout): Declare write_build_id, create_note,
11009         create_build_id.  Add build_id_note_ member.
11010         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11011         "libiberty.h", "md5.h", "sha1.h".
11012         (Layout::Layout): Initialize eh_frame_data_,
11013         eh_frame_hdr_section_, and build_id_note_.
11014         (Layout::finalize): Call create_build_id.
11015         (Layout::create_note): New function, broken out of
11016         Layout::create_gold_note.
11017         (Layout::create_gold_note): Call create_note.
11018         (Layout::create_build_id): New function.
11019         (Layout::write_build_id): New function.
11020         (Close_task_runner::run): Call write_build_id.
11021
11022         * x86_64.cc: Correct license to GPLv3.
11023
11024 2008-03-23  Ian Lance Taylor  <iant@google.com>
11025
11026         * options.cc: Include "demangle.h".
11027         (parse_optional_string): New function.
11028         (parse_long_option): Handle takes_optional_argument.
11029         (parse_short_option): Update dash_z initializer.  Handle
11030         takes_optional_argument.
11031         (General_options::General_options): Initialize do_demangle_.
11032         (General_options::finalize): Set do_demangle_.  Handle demangling
11033         style.
11034         * options.h (parse_optional_string): Declare.
11035         (struct One_option): Add optional_arg field.  Update constructor.
11036         Update call constructor calls.  Add takes_optional_argument
11037         function.
11038         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11039         (DEFINE_optional_string): Define.
11040         (General_options::demangle): Change from DEFINE_bool to
11041         DEFINE_optional_string.
11042         (General_options::no_demangle): New function.
11043         (General_options::do_demangle): New function.
11044         (General_options::set_do_demangle): New function.
11045         (General_options::execstack_status_): Move definition to end of
11046         class definition.
11047         (General_options::static_): Likewise.
11048         (General_options::do_demangle_): New field.
11049         * object.cc (big_endian>::get_symbol_location_info): Call
11050         Options::do_demangle, not Options::demangle.
11051         * symtab.cc (demangle): Likewise.
11052
11053 2008-03-22  Ian Lance Taylor  <iant@google.com>
11054
11055         * gold.h: Include <cstddef> and <sys/types.h>
11056         * options.h: Include <cstring>.
11057
11058 2008-03-21  Ian Lance Taylor  <iant@google.com>
11059
11060         * Added source code to GNU binutils.